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[qemu.git] / target-mips / translate.c
blob897839ced968902ac2259851088fc8b6a40d415b
1 /*
2 * MIPS32 emulation for qemu: main translation routines.
3 *
4 * Copyright (c) 2004-2005 Jocelyn Mayer
5 * Copyright (c) 2006 Marius Groeger (FPU operations)
6 * Copyright (c) 2006 Thiemo Seufer (MIPS32R2 support)
7 * Copyright (c) 2009 CodeSourcery (MIPS16 and microMIPS support)
8 * Copyright (c) 2012 Jia Liu & Dongxue Zhang (MIPS ASE DSP support)
9 *
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2 of the License, or (at your option) any later version.
14 *
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
22 */
23
24 #include "cpu.h"
25 #include "disas/disas.h"
26 #include "tcg-op.h"
27 #include "exec/cpu_ldst.h"
28
29 #include "exec/helper-proto.h"
30 #include "exec/helper-gen.h"
31 #include "sysemu/kvm.h"
32 #include "exec/semihost.h"
33
34 #include "trace-tcg.h"
35
36 #define MIPS_DEBUG_DISAS 0
37
38 /* MIPS major opcodes */
39 #define MASK_OP_MAJOR(op) (op & (0x3F << 26))
40
41 enum {
42 /* indirect opcode tables */
43 OPC_SPECIAL = (0x00 << 26),
44 OPC_REGIMM = (0x01 << 26),
45 OPC_CP0 = (0x10 << 26),
46 OPC_CP1 = (0x11 << 26),
47 OPC_CP2 = (0x12 << 26),
48 OPC_CP3 = (0x13 << 26),
49 OPC_SPECIAL2 = (0x1C << 26),
50 OPC_SPECIAL3 = (0x1F << 26),
51 /* arithmetic with immediate */
52 OPC_ADDI = (0x08 << 26),
53 OPC_ADDIU = (0x09 << 26),
54 OPC_SLTI = (0x0A << 26),
55 OPC_SLTIU = (0x0B << 26),
56 /* logic with immediate */
57 OPC_ANDI = (0x0C << 26),
58 OPC_ORI = (0x0D << 26),
59 OPC_XORI = (0x0E << 26),
60 OPC_LUI = (0x0F << 26),
61 /* arithmetic with immediate */
62 OPC_DADDI = (0x18 << 26),
63 OPC_DADDIU = (0x19 << 26),
64 /* Jump and branches */
65 OPC_J = (0x02 << 26),
66 OPC_JAL = (0x03 << 26),
67 OPC_BEQ = (0x04 << 26), /* Unconditional if rs = rt = 0 (B) */
68 OPC_BEQL = (0x14 << 26),
69 OPC_BNE = (0x05 << 26),
70 OPC_BNEL = (0x15 << 26),
71 OPC_BLEZ = (0x06 << 26),
72 OPC_BLEZL = (0x16 << 26),
73 OPC_BGTZ = (0x07 << 26),
74 OPC_BGTZL = (0x17 << 26),
75 OPC_JALX = (0x1D << 26),
76 OPC_DAUI = (0x1D << 26),
77 /* Load and stores */
78 OPC_LDL = (0x1A << 26),
79 OPC_LDR = (0x1B << 26),
80 OPC_LB = (0x20 << 26),
81 OPC_LH = (0x21 << 26),
82 OPC_LWL = (0x22 << 26),
83 OPC_LW = (0x23 << 26),
84 OPC_LWPC = OPC_LW | 0x5,
85 OPC_LBU = (0x24 << 26),
86 OPC_LHU = (0x25 << 26),
87 OPC_LWR = (0x26 << 26),
88 OPC_LWU = (0x27 << 26),
89 OPC_SB = (0x28 << 26),
90 OPC_SH = (0x29 << 26),
91 OPC_SWL = (0x2A << 26),
92 OPC_SW = (0x2B << 26),
93 OPC_SDL = (0x2C << 26),
94 OPC_SDR = (0x2D << 26),
95 OPC_SWR = (0x2E << 26),
96 OPC_LL = (0x30 << 26),
97 OPC_LLD = (0x34 << 26),
98 OPC_LD = (0x37 << 26),
99 OPC_LDPC = OPC_LD | 0x5,
100 OPC_SC = (0x38 << 26),
101 OPC_SCD = (0x3C << 26),
102 OPC_SD = (0x3F << 26),
103 /* Floating point load/store */
104 OPC_LWC1 = (0x31 << 26),
105 OPC_LWC2 = (0x32 << 26),
106 OPC_LDC1 = (0x35 << 26),
107 OPC_LDC2 = (0x36 << 26),
108 OPC_SWC1 = (0x39 << 26),
109 OPC_SWC2 = (0x3A << 26),
110 OPC_SDC1 = (0x3D << 26),
111 OPC_SDC2 = (0x3E << 26),
112 /* Compact Branches */
113 OPC_BLEZALC = (0x06 << 26),
114 OPC_BGEZALC = (0x06 << 26),
115 OPC_BGEUC = (0x06 << 26),
116 OPC_BGTZALC = (0x07 << 26),
117 OPC_BLTZALC = (0x07 << 26),
118 OPC_BLTUC = (0x07 << 26),
119 OPC_BOVC = (0x08 << 26),
120 OPC_BEQZALC = (0x08 << 26),
121 OPC_BEQC = (0x08 << 26),
122 OPC_BLEZC = (0x16 << 26),
123 OPC_BGEZC = (0x16 << 26),
124 OPC_BGEC = (0x16 << 26),
125 OPC_BGTZC = (0x17 << 26),
126 OPC_BLTZC = (0x17 << 26),
127 OPC_BLTC = (0x17 << 26),
128 OPC_BNVC = (0x18 << 26),
129 OPC_BNEZALC = (0x18 << 26),
130 OPC_BNEC = (0x18 << 26),
131 OPC_BC = (0x32 << 26),
132 OPC_BEQZC = (0x36 << 26),
133 OPC_JIC = (0x36 << 26),
134 OPC_BALC = (0x3A << 26),
135 OPC_BNEZC = (0x3E << 26),
136 OPC_JIALC = (0x3E << 26),
137 /* MDMX ASE specific */
138 OPC_MDMX = (0x1E << 26),
139 /* MSA ASE, same as MDMX */
140 OPC_MSA = OPC_MDMX,
141 /* Cache and prefetch */
142 OPC_CACHE = (0x2F << 26),
143 OPC_PREF = (0x33 << 26),
144 /* PC-relative address computation / loads */
145 OPC_PCREL = (0x3B << 26),
146 };
147
148 /* PC-relative address computation / loads */
149 #define MASK_OPC_PCREL_TOP2BITS(op) (MASK_OP_MAJOR(op) | (op & (3 << 19)))
150 #define MASK_OPC_PCREL_TOP5BITS(op) (MASK_OP_MAJOR(op) | (op & (0x1f << 16)))
151 enum {
152 /* Instructions determined by bits 19 and 20 */
153 OPC_ADDIUPC = OPC_PCREL | (0 << 19),
154 R6_OPC_LWPC = OPC_PCREL | (1 << 19),
155 OPC_LWUPC = OPC_PCREL | (2 << 19),
156
157 /* Instructions determined by bits 16 ... 20 */
158 OPC_AUIPC = OPC_PCREL | (0x1e << 16),
159 OPC_ALUIPC = OPC_PCREL | (0x1f << 16),
160
161 /* Other */
162 R6_OPC_LDPC = OPC_PCREL | (6 << 18),
163 };
164
165 /* MIPS special opcodes */
166 #define MASK_SPECIAL(op) MASK_OP_MAJOR(op) | (op & 0x3F)
167
168 enum {
169 /* Shifts */
170 OPC_SLL = 0x00 | OPC_SPECIAL,
171 /* NOP is SLL r0, r0, 0 */
172 /* SSNOP is SLL r0, r0, 1 */
173 /* EHB is SLL r0, r0, 3 */
174 OPC_SRL = 0x02 | OPC_SPECIAL, /* also ROTR */
175 OPC_ROTR = OPC_SRL | (1 << 21),
176 OPC_SRA = 0x03 | OPC_SPECIAL,
177 OPC_SLLV = 0x04 | OPC_SPECIAL,
178 OPC_SRLV = 0x06 | OPC_SPECIAL, /* also ROTRV */
179 OPC_ROTRV = OPC_SRLV | (1 << 6),
180 OPC_SRAV = 0x07 | OPC_SPECIAL,
181 OPC_DSLLV = 0x14 | OPC_SPECIAL,
182 OPC_DSRLV = 0x16 | OPC_SPECIAL, /* also DROTRV */
183 OPC_DROTRV = OPC_DSRLV | (1 << 6),
184 OPC_DSRAV = 0x17 | OPC_SPECIAL,
185 OPC_DSLL = 0x38 | OPC_SPECIAL,
186 OPC_DSRL = 0x3A | OPC_SPECIAL, /* also DROTR */
187 OPC_DROTR = OPC_DSRL | (1 << 21),
188 OPC_DSRA = 0x3B | OPC_SPECIAL,
189 OPC_DSLL32 = 0x3C | OPC_SPECIAL,
190 OPC_DSRL32 = 0x3E | OPC_SPECIAL, /* also DROTR32 */
191 OPC_DROTR32 = OPC_DSRL32 | (1 << 21),
192 OPC_DSRA32 = 0x3F | OPC_SPECIAL,
193 /* Multiplication / division */
194 OPC_MULT = 0x18 | OPC_SPECIAL,
195 OPC_MULTU = 0x19 | OPC_SPECIAL,
196 OPC_DIV = 0x1A | OPC_SPECIAL,
197 OPC_DIVU = 0x1B | OPC_SPECIAL,
198 OPC_DMULT = 0x1C | OPC_SPECIAL,
199 OPC_DMULTU = 0x1D | OPC_SPECIAL,
200 OPC_DDIV = 0x1E | OPC_SPECIAL,
201 OPC_DDIVU = 0x1F | OPC_SPECIAL,
202
203 /* 2 registers arithmetic / logic */
204 OPC_ADD = 0x20 | OPC_SPECIAL,
205 OPC_ADDU = 0x21 | OPC_SPECIAL,
206 OPC_SUB = 0x22 | OPC_SPECIAL,
207 OPC_SUBU = 0x23 | OPC_SPECIAL,
208 OPC_AND = 0x24 | OPC_SPECIAL,
209 OPC_OR = 0x25 | OPC_SPECIAL,
210 OPC_XOR = 0x26 | OPC_SPECIAL,
211 OPC_NOR = 0x27 | OPC_SPECIAL,
212 OPC_SLT = 0x2A | OPC_SPECIAL,
213 OPC_SLTU = 0x2B | OPC_SPECIAL,
214 OPC_DADD = 0x2C | OPC_SPECIAL,
215 OPC_DADDU = 0x2D | OPC_SPECIAL,
216 OPC_DSUB = 0x2E | OPC_SPECIAL,
217 OPC_DSUBU = 0x2F | OPC_SPECIAL,
218 /* Jumps */
219 OPC_JR = 0x08 | OPC_SPECIAL, /* Also JR.HB */
220 OPC_JALR = 0x09 | OPC_SPECIAL, /* Also JALR.HB */
221 /* Traps */
222 OPC_TGE = 0x30 | OPC_SPECIAL,
223 OPC_TGEU = 0x31 | OPC_SPECIAL,
224 OPC_TLT = 0x32 | OPC_SPECIAL,
225 OPC_TLTU = 0x33 | OPC_SPECIAL,
226 OPC_TEQ = 0x34 | OPC_SPECIAL,
227 OPC_TNE = 0x36 | OPC_SPECIAL,
228 /* HI / LO registers load & stores */
229 OPC_MFHI = 0x10 | OPC_SPECIAL,
230 OPC_MTHI = 0x11 | OPC_SPECIAL,
231 OPC_MFLO = 0x12 | OPC_SPECIAL,
232 OPC_MTLO = 0x13 | OPC_SPECIAL,
233 /* Conditional moves */
234 OPC_MOVZ = 0x0A | OPC_SPECIAL,
235 OPC_MOVN = 0x0B | OPC_SPECIAL,
236
237 OPC_SELEQZ = 0x35 | OPC_SPECIAL,
238 OPC_SELNEZ = 0x37 | OPC_SPECIAL,
239
240 OPC_MOVCI = 0x01 | OPC_SPECIAL,
241
242 /* Special */
243 OPC_PMON = 0x05 | OPC_SPECIAL, /* unofficial */
244 OPC_SYSCALL = 0x0C | OPC_SPECIAL,
245 OPC_BREAK = 0x0D | OPC_SPECIAL,
246 OPC_SPIM = 0x0E | OPC_SPECIAL, /* unofficial */
247 OPC_SYNC = 0x0F | OPC_SPECIAL,
248
249 OPC_SPECIAL28_RESERVED = 0x28 | OPC_SPECIAL,
250 OPC_SPECIAL29_RESERVED = 0x29 | OPC_SPECIAL,
251 OPC_SPECIAL39_RESERVED = 0x39 | OPC_SPECIAL,
252 OPC_SPECIAL3D_RESERVED = 0x3D | OPC_SPECIAL,
253 };
254
255 /* R6 Multiply and Divide instructions have the same Opcode
256 and function field as legacy OPC_MULT[U]/OPC_DIV[U] */
257 #define MASK_R6_MULDIV(op) (MASK_SPECIAL(op) | (op & (0x7ff)))
258
259 enum {
260 R6_OPC_MUL = OPC_MULT | (2 << 6),
261 R6_OPC_MUH = OPC_MULT | (3 << 6),
262 R6_OPC_MULU = OPC_MULTU | (2 << 6),
263 R6_OPC_MUHU = OPC_MULTU | (3 << 6),
264 R6_OPC_DIV = OPC_DIV | (2 << 6),
265 R6_OPC_MOD = OPC_DIV | (3 << 6),
266 R6_OPC_DIVU = OPC_DIVU | (2 << 6),
267 R6_OPC_MODU = OPC_DIVU | (3 << 6),
268
269 R6_OPC_DMUL = OPC_DMULT | (2 << 6),
270 R6_OPC_DMUH = OPC_DMULT | (3 << 6),
271 R6_OPC_DMULU = OPC_DMULTU | (2 << 6),
272 R6_OPC_DMUHU = OPC_DMULTU | (3 << 6),
273 R6_OPC_DDIV = OPC_DDIV | (2 << 6),
274 R6_OPC_DMOD = OPC_DDIV | (3 << 6),
275 R6_OPC_DDIVU = OPC_DDIVU | (2 << 6),
276 R6_OPC_DMODU = OPC_DDIVU | (3 << 6),
277
278 R6_OPC_CLZ = 0x10 | OPC_SPECIAL,
279 R6_OPC_CLO = 0x11 | OPC_SPECIAL,
280 R6_OPC_DCLZ = 0x12 | OPC_SPECIAL,
281 R6_OPC_DCLO = 0x13 | OPC_SPECIAL,
282 R6_OPC_SDBBP = 0x0e | OPC_SPECIAL,
283
284 OPC_LSA = 0x05 | OPC_SPECIAL,
285 OPC_DLSA = 0x15 | OPC_SPECIAL,
286 };
287
288 /* Multiplication variants of the vr54xx. */
289 #define MASK_MUL_VR54XX(op) MASK_SPECIAL(op) | (op & (0x1F << 6))
290
291 enum {
292 OPC_VR54XX_MULS = (0x03 << 6) | OPC_MULT,
293 OPC_VR54XX_MULSU = (0x03 << 6) | OPC_MULTU,
294 OPC_VR54XX_MACC = (0x05 << 6) | OPC_MULT,
295 OPC_VR54XX_MACCU = (0x05 << 6) | OPC_MULTU,
296 OPC_VR54XX_MSAC = (0x07 << 6) | OPC_MULT,
297 OPC_VR54XX_MSACU = (0x07 << 6) | OPC_MULTU,
298 OPC_VR54XX_MULHI = (0x09 << 6) | OPC_MULT,
299 OPC_VR54XX_MULHIU = (0x09 << 6) | OPC_MULTU,
300 OPC_VR54XX_MULSHI = (0x0B << 6) | OPC_MULT,
301 OPC_VR54XX_MULSHIU = (0x0B << 6) | OPC_MULTU,
302 OPC_VR54XX_MACCHI = (0x0D << 6) | OPC_MULT,
303 OPC_VR54XX_MACCHIU = (0x0D << 6) | OPC_MULTU,
304 OPC_VR54XX_MSACHI = (0x0F << 6) | OPC_MULT,
305 OPC_VR54XX_MSACHIU = (0x0F << 6) | OPC_MULTU,
306 };
307
308 /* REGIMM (rt field) opcodes */
309 #define MASK_REGIMM(op) MASK_OP_MAJOR(op) | (op & (0x1F << 16))
310
311 enum {
312 OPC_BLTZ = (0x00 << 16) | OPC_REGIMM,
313 OPC_BLTZL = (0x02 << 16) | OPC_REGIMM,
314 OPC_BGEZ = (0x01 << 16) | OPC_REGIMM,
315 OPC_BGEZL = (0x03 << 16) | OPC_REGIMM,
316 OPC_BLTZAL = (0x10 << 16) | OPC_REGIMM,
317 OPC_BLTZALL = (0x12 << 16) | OPC_REGIMM,
318 OPC_BGEZAL = (0x11 << 16) | OPC_REGIMM,
319 OPC_BGEZALL = (0x13 << 16) | OPC_REGIMM,
320 OPC_TGEI = (0x08 << 16) | OPC_REGIMM,
321 OPC_TGEIU = (0x09 << 16) | OPC_REGIMM,
322 OPC_TLTI = (0x0A << 16) | OPC_REGIMM,
323 OPC_TLTIU = (0x0B << 16) | OPC_REGIMM,
324 OPC_TEQI = (0x0C << 16) | OPC_REGIMM,
325 OPC_TNEI = (0x0E << 16) | OPC_REGIMM,
326 OPC_SYNCI = (0x1F << 16) | OPC_REGIMM,
327
328 OPC_DAHI = (0x06 << 16) | OPC_REGIMM,
329 OPC_DATI = (0x1e << 16) | OPC_REGIMM,
330 };
331
332 /* Special2 opcodes */
333 #define MASK_SPECIAL2(op) MASK_OP_MAJOR(op) | (op & 0x3F)
334
335 enum {
336 /* Multiply & xxx operations */
337 OPC_MADD = 0x00 | OPC_SPECIAL2,
338 OPC_MADDU = 0x01 | OPC_SPECIAL2,
339 OPC_MUL = 0x02 | OPC_SPECIAL2,
340 OPC_MSUB = 0x04 | OPC_SPECIAL2,
341 OPC_MSUBU = 0x05 | OPC_SPECIAL2,
342 /* Loongson 2F */
343 OPC_MULT_G_2F = 0x10 | OPC_SPECIAL2,
344 OPC_DMULT_G_2F = 0x11 | OPC_SPECIAL2,
345 OPC_MULTU_G_2F = 0x12 | OPC_SPECIAL2,
346 OPC_DMULTU_G_2F = 0x13 | OPC_SPECIAL2,
347 OPC_DIV_G_2F = 0x14 | OPC_SPECIAL2,
348 OPC_DDIV_G_2F = 0x15 | OPC_SPECIAL2,
349 OPC_DIVU_G_2F = 0x16 | OPC_SPECIAL2,
350 OPC_DDIVU_G_2F = 0x17 | OPC_SPECIAL2,
351 OPC_MOD_G_2F = 0x1c | OPC_SPECIAL2,
352 OPC_DMOD_G_2F = 0x1d | OPC_SPECIAL2,
353 OPC_MODU_G_2F = 0x1e | OPC_SPECIAL2,
354 OPC_DMODU_G_2F = 0x1f | OPC_SPECIAL2,
355 /* Misc */
356 OPC_CLZ = 0x20 | OPC_SPECIAL2,
357 OPC_CLO = 0x21 | OPC_SPECIAL2,
358 OPC_DCLZ = 0x24 | OPC_SPECIAL2,
359 OPC_DCLO = 0x25 | OPC_SPECIAL2,
360 /* Special */
361 OPC_SDBBP = 0x3F | OPC_SPECIAL2,
362 };
363
364 /* Special3 opcodes */
365 #define MASK_SPECIAL3(op) MASK_OP_MAJOR(op) | (op & 0x3F)
366
367 enum {
368 OPC_EXT = 0x00 | OPC_SPECIAL3,
369 OPC_DEXTM = 0x01 | OPC_SPECIAL3,
370 OPC_DEXTU = 0x02 | OPC_SPECIAL3,
371 OPC_DEXT = 0x03 | OPC_SPECIAL3,
372 OPC_INS = 0x04 | OPC_SPECIAL3,
373 OPC_DINSM = 0x05 | OPC_SPECIAL3,
374 OPC_DINSU = 0x06 | OPC_SPECIAL3,
375 OPC_DINS = 0x07 | OPC_SPECIAL3,
376 OPC_FORK = 0x08 | OPC_SPECIAL3,
377 OPC_YIELD = 0x09 | OPC_SPECIAL3,
378 OPC_BSHFL = 0x20 | OPC_SPECIAL3,
379 OPC_DBSHFL = 0x24 | OPC_SPECIAL3,
380 OPC_RDHWR = 0x3B | OPC_SPECIAL3,
381
382 /* Loongson 2E */
383 OPC_MULT_G_2E = 0x18 | OPC_SPECIAL3,
384 OPC_MULTU_G_2E = 0x19 | OPC_SPECIAL3,
385 OPC_DIV_G_2E = 0x1A | OPC_SPECIAL3,
386 OPC_DIVU_G_2E = 0x1B | OPC_SPECIAL3,
387 OPC_DMULT_G_2E = 0x1C | OPC_SPECIAL3,
388 OPC_DMULTU_G_2E = 0x1D | OPC_SPECIAL3,
389 OPC_DDIV_G_2E = 0x1E | OPC_SPECIAL3,
390 OPC_DDIVU_G_2E = 0x1F | OPC_SPECIAL3,
391 OPC_MOD_G_2E = 0x22 | OPC_SPECIAL3,
392 OPC_MODU_G_2E = 0x23 | OPC_SPECIAL3,
393 OPC_DMOD_G_2E = 0x26 | OPC_SPECIAL3,
394 OPC_DMODU_G_2E = 0x27 | OPC_SPECIAL3,
395
396 /* MIPS DSP Load */
397 OPC_LX_DSP = 0x0A | OPC_SPECIAL3,
398 /* MIPS DSP Arithmetic */
399 OPC_ADDU_QB_DSP = 0x10 | OPC_SPECIAL3,
400 OPC_ADDU_OB_DSP = 0x14 | OPC_SPECIAL3,
401 OPC_ABSQ_S_PH_DSP = 0x12 | OPC_SPECIAL3,
402 OPC_ABSQ_S_QH_DSP = 0x16 | OPC_SPECIAL3,
403 /* OPC_ADDUH_QB_DSP is same as OPC_MULT_G_2E. */
404 /* OPC_ADDUH_QB_DSP = 0x18 | OPC_SPECIAL3, */
405 OPC_CMPU_EQ_QB_DSP = 0x11 | OPC_SPECIAL3,
406 OPC_CMPU_EQ_OB_DSP = 0x15 | OPC_SPECIAL3,
407 /* MIPS DSP GPR-Based Shift Sub-class */
408 OPC_SHLL_QB_DSP = 0x13 | OPC_SPECIAL3,
409 OPC_SHLL_OB_DSP = 0x17 | OPC_SPECIAL3,
410 /* MIPS DSP Multiply Sub-class insns */
411 /* OPC_MUL_PH_DSP is same as OPC_ADDUH_QB_DSP. */
412 /* OPC_MUL_PH_DSP = 0x18 | OPC_SPECIAL3, */
413 OPC_DPA_W_PH_DSP = 0x30 | OPC_SPECIAL3,
414 OPC_DPAQ_W_QH_DSP = 0x34 | OPC_SPECIAL3,
415 /* DSP Bit/Manipulation Sub-class */
416 OPC_INSV_DSP = 0x0C | OPC_SPECIAL3,
417 OPC_DINSV_DSP = 0x0D | OPC_SPECIAL3,
418 /* MIPS DSP Append Sub-class */
419 OPC_APPEND_DSP = 0x31 | OPC_SPECIAL3,
420 OPC_DAPPEND_DSP = 0x35 | OPC_SPECIAL3,
421 /* MIPS DSP Accumulator and DSPControl Access Sub-class */
422 OPC_EXTR_W_DSP = 0x38 | OPC_SPECIAL3,
423 OPC_DEXTR_W_DSP = 0x3C | OPC_SPECIAL3,
424
425 /* R6 */
426 R6_OPC_PREF = 0x35 | OPC_SPECIAL3,
427 R6_OPC_CACHE = 0x25 | OPC_SPECIAL3,
428 R6_OPC_LL = 0x36 | OPC_SPECIAL3,
429 R6_OPC_SC = 0x26 | OPC_SPECIAL3,
430 R6_OPC_LLD = 0x37 | OPC_SPECIAL3,
431 R6_OPC_SCD = 0x27 | OPC_SPECIAL3,
432 };
433
434 /* BSHFL opcodes */
435 #define MASK_BSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6))
436
437 enum {
438 OPC_WSBH = (0x02 << 6) | OPC_BSHFL,
439 OPC_SEB = (0x10 << 6) | OPC_BSHFL,
440 OPC_SEH = (0x18 << 6) | OPC_BSHFL,
441 OPC_ALIGN = (0x08 << 6) | OPC_BSHFL, /* 010.bp */
442 OPC_ALIGN_END = (0x0B << 6) | OPC_BSHFL, /* 010.00 to 010.11 */
443 OPC_BITSWAP = (0x00 << 6) | OPC_BSHFL /* 00000 */
444 };
445
446 /* DBSHFL opcodes */
447 #define MASK_DBSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6))
448
449 enum {
450 OPC_DSBH = (0x02 << 6) | OPC_DBSHFL,
451 OPC_DSHD = (0x05 << 6) | OPC_DBSHFL,
452 OPC_DALIGN = (0x08 << 6) | OPC_DBSHFL, /* 01.bp */
453 OPC_DALIGN_END = (0x0F << 6) | OPC_DBSHFL, /* 01.000 to 01.111 */
454 OPC_DBITSWAP = (0x00 << 6) | OPC_DBSHFL, /* 00000 */
455 };
456
457 /* MIPS DSP REGIMM opcodes */
458 enum {
459 OPC_BPOSGE32 = (0x1C << 16) | OPC_REGIMM,
460 OPC_BPOSGE64 = (0x1D << 16) | OPC_REGIMM,
461 };
462
463 #define MASK_LX(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
464 /* MIPS DSP Load */
465 enum {
466 OPC_LBUX = (0x06 << 6) | OPC_LX_DSP,
467 OPC_LHX = (0x04 << 6) | OPC_LX_DSP,
468 OPC_LWX = (0x00 << 6) | OPC_LX_DSP,
469 OPC_LDX = (0x08 << 6) | OPC_LX_DSP,
470 };
471
472 #define MASK_ADDU_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
473 enum {
474 /* MIPS DSP Arithmetic Sub-class */
475 OPC_ADDQ_PH = (0x0A << 6) | OPC_ADDU_QB_DSP,
476 OPC_ADDQ_S_PH = (0x0E << 6) | OPC_ADDU_QB_DSP,
477 OPC_ADDQ_S_W = (0x16 << 6) | OPC_ADDU_QB_DSP,
478 OPC_ADDU_QB = (0x00 << 6) | OPC_ADDU_QB_DSP,
479 OPC_ADDU_S_QB = (0x04 << 6) | OPC_ADDU_QB_DSP,
480 OPC_ADDU_PH = (0x08 << 6) | OPC_ADDU_QB_DSP,
481 OPC_ADDU_S_PH = (0x0C << 6) | OPC_ADDU_QB_DSP,
482 OPC_SUBQ_PH = (0x0B << 6) | OPC_ADDU_QB_DSP,
483 OPC_SUBQ_S_PH = (0x0F << 6) | OPC_ADDU_QB_DSP,
484 OPC_SUBQ_S_W = (0x17 << 6) | OPC_ADDU_QB_DSP,
485 OPC_SUBU_QB = (0x01 << 6) | OPC_ADDU_QB_DSP,
486 OPC_SUBU_S_QB = (0x05 << 6) | OPC_ADDU_QB_DSP,
487 OPC_SUBU_PH = (0x09 << 6) | OPC_ADDU_QB_DSP,
488 OPC_SUBU_S_PH = (0x0D << 6) | OPC_ADDU_QB_DSP,
489 OPC_ADDSC = (0x10 << 6) | OPC_ADDU_QB_DSP,
490 OPC_ADDWC = (0x11 << 6) | OPC_ADDU_QB_DSP,
491 OPC_MODSUB = (0x12 << 6) | OPC_ADDU_QB_DSP,
492 OPC_RADDU_W_QB = (0x14 << 6) | OPC_ADDU_QB_DSP,
493 /* MIPS DSP Multiply Sub-class insns */
494 OPC_MULEU_S_PH_QBL = (0x06 << 6) | OPC_ADDU_QB_DSP,
495 OPC_MULEU_S_PH_QBR = (0x07 << 6) | OPC_ADDU_QB_DSP,
496 OPC_MULQ_RS_PH = (0x1F << 6) | OPC_ADDU_QB_DSP,
497 OPC_MULEQ_S_W_PHL = (0x1C << 6) | OPC_ADDU_QB_DSP,
498 OPC_MULEQ_S_W_PHR = (0x1D << 6) | OPC_ADDU_QB_DSP,
499 OPC_MULQ_S_PH = (0x1E << 6) | OPC_ADDU_QB_DSP,
500 };
501
502 #define OPC_ADDUH_QB_DSP OPC_MULT_G_2E
503 #define MASK_ADDUH_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
504 enum {
505 /* MIPS DSP Arithmetic Sub-class */
506 OPC_ADDUH_QB = (0x00 << 6) | OPC_ADDUH_QB_DSP,
507 OPC_ADDUH_R_QB = (0x02 << 6) | OPC_ADDUH_QB_DSP,
508 OPC_ADDQH_PH = (0x08 << 6) | OPC_ADDUH_QB_DSP,
509 OPC_ADDQH_R_PH = (0x0A << 6) | OPC_ADDUH_QB_DSP,
510 OPC_ADDQH_W = (0x10 << 6) | OPC_ADDUH_QB_DSP,
511 OPC_ADDQH_R_W = (0x12 << 6) | OPC_ADDUH_QB_DSP,
512 OPC_SUBUH_QB = (0x01 << 6) | OPC_ADDUH_QB_DSP,
513 OPC_SUBUH_R_QB = (0x03 << 6) | OPC_ADDUH_QB_DSP,
514 OPC_SUBQH_PH = (0x09 << 6) | OPC_ADDUH_QB_DSP,
515 OPC_SUBQH_R_PH = (0x0B << 6) | OPC_ADDUH_QB_DSP,
516 OPC_SUBQH_W = (0x11 << 6) | OPC_ADDUH_QB_DSP,
517 OPC_SUBQH_R_W = (0x13 << 6) | OPC_ADDUH_QB_DSP,
518 /* MIPS DSP Multiply Sub-class insns */
519 OPC_MUL_PH = (0x0C << 6) | OPC_ADDUH_QB_DSP,
520 OPC_MUL_S_PH = (0x0E << 6) | OPC_ADDUH_QB_DSP,
521 OPC_MULQ_S_W = (0x16 << 6) | OPC_ADDUH_QB_DSP,
522 OPC_MULQ_RS_W = (0x17 << 6) | OPC_ADDUH_QB_DSP,
523 };
524
525 #define MASK_ABSQ_S_PH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
526 enum {
527 /* MIPS DSP Arithmetic Sub-class */
528 OPC_ABSQ_S_QB = (0x01 << 6) | OPC_ABSQ_S_PH_DSP,
529 OPC_ABSQ_S_PH = (0x09 << 6) | OPC_ABSQ_S_PH_DSP,
530 OPC_ABSQ_S_W = (0x11 << 6) | OPC_ABSQ_S_PH_DSP,
531 OPC_PRECEQ_W_PHL = (0x0C << 6) | OPC_ABSQ_S_PH_DSP,
532 OPC_PRECEQ_W_PHR = (0x0D << 6) | OPC_ABSQ_S_PH_DSP,
533 OPC_PRECEQU_PH_QBL = (0x04 << 6) | OPC_ABSQ_S_PH_DSP,
534 OPC_PRECEQU_PH_QBR = (0x05 << 6) | OPC_ABSQ_S_PH_DSP,
535 OPC_PRECEQU_PH_QBLA = (0x06 << 6) | OPC_ABSQ_S_PH_DSP,
536 OPC_PRECEQU_PH_QBRA = (0x07 << 6) | OPC_ABSQ_S_PH_DSP,
537 OPC_PRECEU_PH_QBL = (0x1C << 6) | OPC_ABSQ_S_PH_DSP,
538 OPC_PRECEU_PH_QBR = (0x1D << 6) | OPC_ABSQ_S_PH_DSP,
539 OPC_PRECEU_PH_QBLA = (0x1E << 6) | OPC_ABSQ_S_PH_DSP,
540 OPC_PRECEU_PH_QBRA = (0x1F << 6) | OPC_ABSQ_S_PH_DSP,
541 /* DSP Bit/Manipulation Sub-class */
542 OPC_BITREV = (0x1B << 6) | OPC_ABSQ_S_PH_DSP,
543 OPC_REPL_QB = (0x02 << 6) | OPC_ABSQ_S_PH_DSP,
544 OPC_REPLV_QB = (0x03 << 6) | OPC_ABSQ_S_PH_DSP,
545 OPC_REPL_PH = (0x0A << 6) | OPC_ABSQ_S_PH_DSP,
546 OPC_REPLV_PH = (0x0B << 6) | OPC_ABSQ_S_PH_DSP,
547 };
548
549 #define MASK_CMPU_EQ_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
550 enum {
551 /* MIPS DSP Arithmetic Sub-class */
552 OPC_PRECR_QB_PH = (0x0D << 6) | OPC_CMPU_EQ_QB_DSP,
553 OPC_PRECRQ_QB_PH = (0x0C << 6) | OPC_CMPU_EQ_QB_DSP,
554 OPC_PRECR_SRA_PH_W = (0x1E << 6) | OPC_CMPU_EQ_QB_DSP,
555 OPC_PRECR_SRA_R_PH_W = (0x1F << 6) | OPC_CMPU_EQ_QB_DSP,
556 OPC_PRECRQ_PH_W = (0x14 << 6) | OPC_CMPU_EQ_QB_DSP,
557 OPC_PRECRQ_RS_PH_W = (0x15 << 6) | OPC_CMPU_EQ_QB_DSP,
558 OPC_PRECRQU_S_QB_PH = (0x0F << 6) | OPC_CMPU_EQ_QB_DSP,
559 /* DSP Compare-Pick Sub-class */
560 OPC_CMPU_EQ_QB = (0x00 << 6) | OPC_CMPU_EQ_QB_DSP,
561 OPC_CMPU_LT_QB = (0x01 << 6) | OPC_CMPU_EQ_QB_DSP,
562 OPC_CMPU_LE_QB = (0x02 << 6) | OPC_CMPU_EQ_QB_DSP,
563 OPC_CMPGU_EQ_QB = (0x04 << 6) | OPC_CMPU_EQ_QB_DSP,
564 OPC_CMPGU_LT_QB = (0x05 << 6) | OPC_CMPU_EQ_QB_DSP,
565 OPC_CMPGU_LE_QB = (0x06 << 6) | OPC_CMPU_EQ_QB_DSP,
566 OPC_CMPGDU_EQ_QB = (0x18 << 6) | OPC_CMPU_EQ_QB_DSP,
567 OPC_CMPGDU_LT_QB = (0x19 << 6) | OPC_CMPU_EQ_QB_DSP,
568 OPC_CMPGDU_LE_QB = (0x1A << 6) | OPC_CMPU_EQ_QB_DSP,
569 OPC_CMP_EQ_PH = (0x08 << 6) | OPC_CMPU_EQ_QB_DSP,
570 OPC_CMP_LT_PH = (0x09 << 6) | OPC_CMPU_EQ_QB_DSP,
571 OPC_CMP_LE_PH = (0x0A << 6) | OPC_CMPU_EQ_QB_DSP,
572 OPC_PICK_QB = (0x03 << 6) | OPC_CMPU_EQ_QB_DSP,
573 OPC_PICK_PH = (0x0B << 6) | OPC_CMPU_EQ_QB_DSP,
574 OPC_PACKRL_PH = (0x0E << 6) | OPC_CMPU_EQ_QB_DSP,
575 };
576
577 #define MASK_SHLL_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
578 enum {
579 /* MIPS DSP GPR-Based Shift Sub-class */
580 OPC_SHLL_QB = (0x00 << 6) | OPC_SHLL_QB_DSP,
581 OPC_SHLLV_QB = (0x02 << 6) | OPC_SHLL_QB_DSP,
582 OPC_SHLL_PH = (0x08 << 6) | OPC_SHLL_QB_DSP,
583 OPC_SHLLV_PH = (0x0A << 6) | OPC_SHLL_QB_DSP,
584 OPC_SHLL_S_PH = (0x0C << 6) | OPC_SHLL_QB_DSP,
585 OPC_SHLLV_S_PH = (0x0E << 6) | OPC_SHLL_QB_DSP,
586 OPC_SHLL_S_W = (0x14 << 6) | OPC_SHLL_QB_DSP,
587 OPC_SHLLV_S_W = (0x16 << 6) | OPC_SHLL_QB_DSP,
588 OPC_SHRL_QB = (0x01 << 6) | OPC_SHLL_QB_DSP,
589 OPC_SHRLV_QB = (0x03 << 6) | OPC_SHLL_QB_DSP,
590 OPC_SHRL_PH = (0x19 << 6) | OPC_SHLL_QB_DSP,
591 OPC_SHRLV_PH = (0x1B << 6) | OPC_SHLL_QB_DSP,
592 OPC_SHRA_QB = (0x04 << 6) | OPC_SHLL_QB_DSP,
593 OPC_SHRA_R_QB = (0x05 << 6) | OPC_SHLL_QB_DSP,
594 OPC_SHRAV_QB = (0x06 << 6) | OPC_SHLL_QB_DSP,
595 OPC_SHRAV_R_QB = (0x07 << 6) | OPC_SHLL_QB_DSP,
596 OPC_SHRA_PH = (0x09 << 6) | OPC_SHLL_QB_DSP,
597 OPC_SHRAV_PH = (0x0B << 6) | OPC_SHLL_QB_DSP,
598 OPC_SHRA_R_PH = (0x0D << 6) | OPC_SHLL_QB_DSP,
599 OPC_SHRAV_R_PH = (0x0F << 6) | OPC_SHLL_QB_DSP,
600 OPC_SHRA_R_W = (0x15 << 6) | OPC_SHLL_QB_DSP,
601 OPC_SHRAV_R_W = (0x17 << 6) | OPC_SHLL_QB_DSP,
602 };
603
604 #define MASK_DPA_W_PH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
605 enum {
606 /* MIPS DSP Multiply Sub-class insns */
607 OPC_DPAU_H_QBL = (0x03 << 6) | OPC_DPA_W_PH_DSP,
608 OPC_DPAU_H_QBR = (0x07 << 6) | OPC_DPA_W_PH_DSP,
609 OPC_DPSU_H_QBL = (0x0B << 6) | OPC_DPA_W_PH_DSP,
610 OPC_DPSU_H_QBR = (0x0F << 6) | OPC_DPA_W_PH_DSP,
611 OPC_DPA_W_PH = (0x00 << 6) | OPC_DPA_W_PH_DSP,
612 OPC_DPAX_W_PH = (0x08 << 6) | OPC_DPA_W_PH_DSP,
613 OPC_DPAQ_S_W_PH = (0x04 << 6) | OPC_DPA_W_PH_DSP,
614 OPC_DPAQX_S_W_PH = (0x18 << 6) | OPC_DPA_W_PH_DSP,
615 OPC_DPAQX_SA_W_PH = (0x1A << 6) | OPC_DPA_W_PH_DSP,
616 OPC_DPS_W_PH = (0x01 << 6) | OPC_DPA_W_PH_DSP,
617 OPC_DPSX_W_PH = (0x09 << 6) | OPC_DPA_W_PH_DSP,
618 OPC_DPSQ_S_W_PH = (0x05 << 6) | OPC_DPA_W_PH_DSP,
619 OPC_DPSQX_S_W_PH = (0x19 << 6) | OPC_DPA_W_PH_DSP,
620 OPC_DPSQX_SA_W_PH = (0x1B << 6) | OPC_DPA_W_PH_DSP,
621 OPC_MULSAQ_S_W_PH = (0x06 << 6) | OPC_DPA_W_PH_DSP,
622 OPC_DPAQ_SA_L_W = (0x0C << 6) | OPC_DPA_W_PH_DSP,
623 OPC_DPSQ_SA_L_W = (0x0D << 6) | OPC_DPA_W_PH_DSP,
624 OPC_MAQ_S_W_PHL = (0x14 << 6) | OPC_DPA_W_PH_DSP,
625 OPC_MAQ_S_W_PHR = (0x16 << 6) | OPC_DPA_W_PH_DSP,
626 OPC_MAQ_SA_W_PHL = (0x10 << 6) | OPC_DPA_W_PH_DSP,
627 OPC_MAQ_SA_W_PHR = (0x12 << 6) | OPC_DPA_W_PH_DSP,
628 OPC_MULSA_W_PH = (0x02 << 6) | OPC_DPA_W_PH_DSP,
629 };
630
631 #define MASK_INSV(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
632 enum {
633 /* DSP Bit/Manipulation Sub-class */
634 OPC_INSV = (0x00 << 6) | OPC_INSV_DSP,
635 };
636
637 #define MASK_APPEND(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
638 enum {
639 /* MIPS DSP Append Sub-class */
640 OPC_APPEND = (0x00 << 6) | OPC_APPEND_DSP,
641 OPC_PREPEND = (0x01 << 6) | OPC_APPEND_DSP,
642 OPC_BALIGN = (0x10 << 6) | OPC_APPEND_DSP,
643 };
644
645 #define MASK_EXTR_W(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
646 enum {
647 /* MIPS DSP Accumulator and DSPControl Access Sub-class */
648 OPC_EXTR_W = (0x00 << 6) | OPC_EXTR_W_DSP,
649 OPC_EXTR_R_W = (0x04 << 6) | OPC_EXTR_W_DSP,
650 OPC_EXTR_RS_W = (0x06 << 6) | OPC_EXTR_W_DSP,
651 OPC_EXTR_S_H = (0x0E << 6) | OPC_EXTR_W_DSP,
652 OPC_EXTRV_S_H = (0x0F << 6) | OPC_EXTR_W_DSP,
653 OPC_EXTRV_W = (0x01 << 6) | OPC_EXTR_W_DSP,
654 OPC_EXTRV_R_W = (0x05 << 6) | OPC_EXTR_W_DSP,
655 OPC_EXTRV_RS_W = (0x07 << 6) | OPC_EXTR_W_DSP,
656 OPC_EXTP = (0x02 << 6) | OPC_EXTR_W_DSP,
657 OPC_EXTPV = (0x03 << 6) | OPC_EXTR_W_DSP,
658 OPC_EXTPDP = (0x0A << 6) | OPC_EXTR_W_DSP,
659 OPC_EXTPDPV = (0x0B << 6) | OPC_EXTR_W_DSP,
660 OPC_SHILO = (0x1A << 6) | OPC_EXTR_W_DSP,
661 OPC_SHILOV = (0x1B << 6) | OPC_EXTR_W_DSP,
662 OPC_MTHLIP = (0x1F << 6) | OPC_EXTR_W_DSP,
663 OPC_WRDSP = (0x13 << 6) | OPC_EXTR_W_DSP,
664 OPC_RDDSP = (0x12 << 6) | OPC_EXTR_W_DSP,
665 };
666
667 #define MASK_ABSQ_S_QH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
668 enum {
669 /* MIPS DSP Arithmetic Sub-class */
670 OPC_PRECEQ_L_PWL = (0x14 << 6) | OPC_ABSQ_S_QH_DSP,
671 OPC_PRECEQ_L_PWR = (0x15 << 6) | OPC_ABSQ_S_QH_DSP,
672 OPC_PRECEQ_PW_QHL = (0x0C << 6) | OPC_ABSQ_S_QH_DSP,
673 OPC_PRECEQ_PW_QHR = (0x0D << 6) | OPC_ABSQ_S_QH_DSP,
674 OPC_PRECEQ_PW_QHLA = (0x0E << 6) | OPC_ABSQ_S_QH_DSP,
675 OPC_PRECEQ_PW_QHRA = (0x0F << 6) | OPC_ABSQ_S_QH_DSP,
676 OPC_PRECEQU_QH_OBL = (0x04 << 6) | OPC_ABSQ_S_QH_DSP,
677 OPC_PRECEQU_QH_OBR = (0x05 << 6) | OPC_ABSQ_S_QH_DSP,
678 OPC_PRECEQU_QH_OBLA = (0x06 << 6) | OPC_ABSQ_S_QH_DSP,
679 OPC_PRECEQU_QH_OBRA = (0x07 << 6) | OPC_ABSQ_S_QH_DSP,
680 OPC_PRECEU_QH_OBL = (0x1C << 6) | OPC_ABSQ_S_QH_DSP,
681 OPC_PRECEU_QH_OBR = (0x1D << 6) | OPC_ABSQ_S_QH_DSP,
682 OPC_PRECEU_QH_OBLA = (0x1E << 6) | OPC_ABSQ_S_QH_DSP,
683 OPC_PRECEU_QH_OBRA = (0x1F << 6) | OPC_ABSQ_S_QH_DSP,
684 OPC_ABSQ_S_OB = (0x01 << 6) | OPC_ABSQ_S_QH_DSP,
685 OPC_ABSQ_S_PW = (0x11 << 6) | OPC_ABSQ_S_QH_DSP,
686 OPC_ABSQ_S_QH = (0x09 << 6) | OPC_ABSQ_S_QH_DSP,
687 /* DSP Bit/Manipulation Sub-class */
688 OPC_REPL_OB = (0x02 << 6) | OPC_ABSQ_S_QH_DSP,
689 OPC_REPL_PW = (0x12 << 6) | OPC_ABSQ_S_QH_DSP,
690 OPC_REPL_QH = (0x0A << 6) | OPC_ABSQ_S_QH_DSP,
691 OPC_REPLV_OB = (0x03 << 6) | OPC_ABSQ_S_QH_DSP,
692 OPC_REPLV_PW = (0x13 << 6) | OPC_ABSQ_S_QH_DSP,
693 OPC_REPLV_QH = (0x0B << 6) | OPC_ABSQ_S_QH_DSP,
694 };
695
696 #define MASK_ADDU_OB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
697 enum {
698 /* MIPS DSP Multiply Sub-class insns */
699 OPC_MULEQ_S_PW_QHL = (0x1C << 6) | OPC_ADDU_OB_DSP,
700 OPC_MULEQ_S_PW_QHR = (0x1D << 6) | OPC_ADDU_OB_DSP,
701 OPC_MULEU_S_QH_OBL = (0x06 << 6) | OPC_ADDU_OB_DSP,
702 OPC_MULEU_S_QH_OBR = (0x07 << 6) | OPC_ADDU_OB_DSP,
703 OPC_MULQ_RS_QH = (0x1F << 6) | OPC_ADDU_OB_DSP,
704 /* MIPS DSP Arithmetic Sub-class */
705 OPC_RADDU_L_OB = (0x14 << 6) | OPC_ADDU_OB_DSP,
706 OPC_SUBQ_PW = (0x13 << 6) | OPC_ADDU_OB_DSP,
707 OPC_SUBQ_S_PW = (0x17 << 6) | OPC_ADDU_OB_DSP,
708 OPC_SUBQ_QH = (0x0B << 6) | OPC_ADDU_OB_DSP,
709 OPC_SUBQ_S_QH = (0x0F << 6) | OPC_ADDU_OB_DSP,
710 OPC_SUBU_OB = (0x01 << 6) | OPC_ADDU_OB_DSP,
711 OPC_SUBU_S_OB = (0x05 << 6) | OPC_ADDU_OB_DSP,
712 OPC_SUBU_QH = (0x09 << 6) | OPC_ADDU_OB_DSP,
713 OPC_SUBU_S_QH = (0x0D << 6) | OPC_ADDU_OB_DSP,
714 OPC_SUBUH_OB = (0x19 << 6) | OPC_ADDU_OB_DSP,
715 OPC_SUBUH_R_OB = (0x1B << 6) | OPC_ADDU_OB_DSP,
716 OPC_ADDQ_PW = (0x12 << 6) | OPC_ADDU_OB_DSP,
717 OPC_ADDQ_S_PW = (0x16 << 6) | OPC_ADDU_OB_DSP,
718 OPC_ADDQ_QH = (0x0A << 6) | OPC_ADDU_OB_DSP,
719 OPC_ADDQ_S_QH = (0x0E << 6) | OPC_ADDU_OB_DSP,
720 OPC_ADDU_OB = (0x00 << 6) | OPC_ADDU_OB_DSP,
721 OPC_ADDU_S_OB = (0x04 << 6) | OPC_ADDU_OB_DSP,
722 OPC_ADDU_QH = (0x08 << 6) | OPC_ADDU_OB_DSP,
723 OPC_ADDU_S_QH = (0x0C << 6) | OPC_ADDU_OB_DSP,
724 OPC_ADDUH_OB = (0x18 << 6) | OPC_ADDU_OB_DSP,
725 OPC_ADDUH_R_OB = (0x1A << 6) | OPC_ADDU_OB_DSP,
726 };
727
728 #define MASK_CMPU_EQ_OB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
729 enum {
730 /* DSP Compare-Pick Sub-class */
731 OPC_CMP_EQ_PW = (0x10 << 6) | OPC_CMPU_EQ_OB_DSP,
732 OPC_CMP_LT_PW = (0x11 << 6) | OPC_CMPU_EQ_OB_DSP,
733 OPC_CMP_LE_PW = (0x12 << 6) | OPC_CMPU_EQ_OB_DSP,
734 OPC_CMP_EQ_QH = (0x08 << 6) | OPC_CMPU_EQ_OB_DSP,
735 OPC_CMP_LT_QH = (0x09 << 6) | OPC_CMPU_EQ_OB_DSP,
736 OPC_CMP_LE_QH = (0x0A << 6) | OPC_CMPU_EQ_OB_DSP,
737 OPC_CMPGDU_EQ_OB = (0x18 << 6) | OPC_CMPU_EQ_OB_DSP,
738 OPC_CMPGDU_LT_OB = (0x19 << 6) | OPC_CMPU_EQ_OB_DSP,
739 OPC_CMPGDU_LE_OB = (0x1A << 6) | OPC_CMPU_EQ_OB_DSP,
740 OPC_CMPGU_EQ_OB = (0x04 << 6) | OPC_CMPU_EQ_OB_DSP,
741 OPC_CMPGU_LT_OB = (0x05 << 6) | OPC_CMPU_EQ_OB_DSP,
742 OPC_CMPGU_LE_OB = (0x06 << 6) | OPC_CMPU_EQ_OB_DSP,
743 OPC_CMPU_EQ_OB = (0x00 << 6) | OPC_CMPU_EQ_OB_DSP,
744 OPC_CMPU_LT_OB = (0x01 << 6) | OPC_CMPU_EQ_OB_DSP,
745 OPC_CMPU_LE_OB = (0x02 << 6) | OPC_CMPU_EQ_OB_DSP,
746 OPC_PACKRL_PW = (0x0E << 6) | OPC_CMPU_EQ_OB_DSP,
747 OPC_PICK_OB = (0x03 << 6) | OPC_CMPU_EQ_OB_DSP,
748 OPC_PICK_PW = (0x13 << 6) | OPC_CMPU_EQ_OB_DSP,
749 OPC_PICK_QH = (0x0B << 6) | OPC_CMPU_EQ_OB_DSP,
750 /* MIPS DSP Arithmetic Sub-class */
751 OPC_PRECR_OB_QH = (0x0D << 6) | OPC_CMPU_EQ_OB_DSP,
752 OPC_PRECR_SRA_QH_PW = (0x1E << 6) | OPC_CMPU_EQ_OB_DSP,
753 OPC_PRECR_SRA_R_QH_PW = (0x1F << 6) | OPC_CMPU_EQ_OB_DSP,
754 OPC_PRECRQ_OB_QH = (0x0C << 6) | OPC_CMPU_EQ_OB_DSP,
755 OPC_PRECRQ_PW_L = (0x1C << 6) | OPC_CMPU_EQ_OB_DSP,
756 OPC_PRECRQ_QH_PW = (0x14 << 6) | OPC_CMPU_EQ_OB_DSP,
757 OPC_PRECRQ_RS_QH_PW = (0x15 << 6) | OPC_CMPU_EQ_OB_DSP,
758 OPC_PRECRQU_S_OB_QH = (0x0F << 6) | OPC_CMPU_EQ_OB_DSP,
759 };
760
761 #define MASK_DAPPEND(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
762 enum {
763 /* DSP Append Sub-class */
764 OPC_DAPPEND = (0x00 << 6) | OPC_DAPPEND_DSP,
765 OPC_PREPENDD = (0x03 << 6) | OPC_DAPPEND_DSP,
766 OPC_PREPENDW = (0x01 << 6) | OPC_DAPPEND_DSP,
767 OPC_DBALIGN = (0x10 << 6) | OPC_DAPPEND_DSP,
768 };
769
770 #define MASK_DEXTR_W(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
771 enum {
772 /* MIPS DSP Accumulator and DSPControl Access Sub-class */
773 OPC_DMTHLIP = (0x1F << 6) | OPC_DEXTR_W_DSP,
774 OPC_DSHILO = (0x1A << 6) | OPC_DEXTR_W_DSP,
775 OPC_DEXTP = (0x02 << 6) | OPC_DEXTR_W_DSP,
776 OPC_DEXTPDP = (0x0A << 6) | OPC_DEXTR_W_DSP,
777 OPC_DEXTPDPV = (0x0B << 6) | OPC_DEXTR_W_DSP,
778 OPC_DEXTPV = (0x03 << 6) | OPC_DEXTR_W_DSP,
779 OPC_DEXTR_L = (0x10 << 6) | OPC_DEXTR_W_DSP,
780 OPC_DEXTR_R_L = (0x14 << 6) | OPC_DEXTR_W_DSP,
781 OPC_DEXTR_RS_L = (0x16 << 6) | OPC_DEXTR_W_DSP,
782 OPC_DEXTR_W = (0x00 << 6) | OPC_DEXTR_W_DSP,
783 OPC_DEXTR_R_W = (0x04 << 6) | OPC_DEXTR_W_DSP,
784 OPC_DEXTR_RS_W = (0x06 << 6) | OPC_DEXTR_W_DSP,
785 OPC_DEXTR_S_H = (0x0E << 6) | OPC_DEXTR_W_DSP,
786 OPC_DEXTRV_L = (0x11 << 6) | OPC_DEXTR_W_DSP,
787 OPC_DEXTRV_R_L = (0x15 << 6) | OPC_DEXTR_W_DSP,
788 OPC_DEXTRV_RS_L = (0x17 << 6) | OPC_DEXTR_W_DSP,
789 OPC_DEXTRV_S_H = (0x0F << 6) | OPC_DEXTR_W_DSP,
790 OPC_DEXTRV_W = (0x01 << 6) | OPC_DEXTR_W_DSP,
791 OPC_DEXTRV_R_W = (0x05 << 6) | OPC_DEXTR_W_DSP,
792 OPC_DEXTRV_RS_W = (0x07 << 6) | OPC_DEXTR_W_DSP,
793 OPC_DSHILOV = (0x1B << 6) | OPC_DEXTR_W_DSP,
794 };
795
796 #define MASK_DINSV(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
797 enum {
798 /* DSP Bit/Manipulation Sub-class */
799 OPC_DINSV = (0x00 << 6) | OPC_DINSV_DSP,
800 };
801
802 #define MASK_DPAQ_W_QH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
803 enum {
804 /* MIPS DSP Multiply Sub-class insns */
805 OPC_DMADD = (0x19 << 6) | OPC_DPAQ_W_QH_DSP,
806 OPC_DMADDU = (0x1D << 6) | OPC_DPAQ_W_QH_DSP,
807 OPC_DMSUB = (0x1B << 6) | OPC_DPAQ_W_QH_DSP,
808 OPC_DMSUBU = (0x1F << 6) | OPC_DPAQ_W_QH_DSP,
809 OPC_DPA_W_QH = (0x00 << 6) | OPC_DPAQ_W_QH_DSP,
810 OPC_DPAQ_S_W_QH = (0x04 << 6) | OPC_DPAQ_W_QH_DSP,
811 OPC_DPAQ_SA_L_PW = (0x0C << 6) | OPC_DPAQ_W_QH_DSP,
812 OPC_DPAU_H_OBL = (0x03 << 6) | OPC_DPAQ_W_QH_DSP,
813 OPC_DPAU_H_OBR = (0x07 << 6) | OPC_DPAQ_W_QH_DSP,
814 OPC_DPS_W_QH = (0x01 << 6) | OPC_DPAQ_W_QH_DSP,
815 OPC_DPSQ_S_W_QH = (0x05 << 6) | OPC_DPAQ_W_QH_DSP,
816 OPC_DPSQ_SA_L_PW = (0x0D << 6) | OPC_DPAQ_W_QH_DSP,
817 OPC_DPSU_H_OBL = (0x0B << 6) | OPC_DPAQ_W_QH_DSP,
818 OPC_DPSU_H_OBR = (0x0F << 6) | OPC_DPAQ_W_QH_DSP,
819 OPC_MAQ_S_L_PWL = (0x1C << 6) | OPC_DPAQ_W_QH_DSP,
820 OPC_MAQ_S_L_PWR = (0x1E << 6) | OPC_DPAQ_W_QH_DSP,
821 OPC_MAQ_S_W_QHLL = (0x14 << 6) | OPC_DPAQ_W_QH_DSP,
822 OPC_MAQ_SA_W_QHLL = (0x10 << 6) | OPC_DPAQ_W_QH_DSP,
823 OPC_MAQ_S_W_QHLR = (0x15 << 6) | OPC_DPAQ_W_QH_DSP,
824 OPC_MAQ_SA_W_QHLR = (0x11 << 6) | OPC_DPAQ_W_QH_DSP,
825 OPC_MAQ_S_W_QHRL = (0x16 << 6) | OPC_DPAQ_W_QH_DSP,
826 OPC_MAQ_SA_W_QHRL = (0x12 << 6) | OPC_DPAQ_W_QH_DSP,
827 OPC_MAQ_S_W_QHRR = (0x17 << 6) | OPC_DPAQ_W_QH_DSP,
828 OPC_MAQ_SA_W_QHRR = (0x13 << 6) | OPC_DPAQ_W_QH_DSP,
829 OPC_MULSAQ_S_L_PW = (0x0E << 6) | OPC_DPAQ_W_QH_DSP,
830 OPC_MULSAQ_S_W_QH = (0x06 << 6) | OPC_DPAQ_W_QH_DSP,
831 };
832
833 #define MASK_SHLL_OB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
834 enum {
835 /* MIPS DSP GPR-Based Shift Sub-class */
836 OPC_SHLL_PW = (0x10 << 6) | OPC_SHLL_OB_DSP,
837 OPC_SHLL_S_PW = (0x14 << 6) | OPC_SHLL_OB_DSP,
838 OPC_SHLLV_OB = (0x02 << 6) | OPC_SHLL_OB_DSP,
839 OPC_SHLLV_PW = (0x12 << 6) | OPC_SHLL_OB_DSP,
840 OPC_SHLLV_S_PW = (0x16 << 6) | OPC_SHLL_OB_DSP,
841 OPC_SHLLV_QH = (0x0A << 6) | OPC_SHLL_OB_DSP,
842 OPC_SHLLV_S_QH = (0x0E << 6) | OPC_SHLL_OB_DSP,
843 OPC_SHRA_PW = (0x11 << 6) | OPC_SHLL_OB_DSP,
844 OPC_SHRA_R_PW = (0x15 << 6) | OPC_SHLL_OB_DSP,
845 OPC_SHRAV_OB = (0x06 << 6) | OPC_SHLL_OB_DSP,
846 OPC_SHRAV_R_OB = (0x07 << 6) | OPC_SHLL_OB_DSP,
847 OPC_SHRAV_PW = (0x13 << 6) | OPC_SHLL_OB_DSP,
848 OPC_SHRAV_R_PW = (0x17 << 6) | OPC_SHLL_OB_DSP,
849 OPC_SHRAV_QH = (0x0B << 6) | OPC_SHLL_OB_DSP,
850 OPC_SHRAV_R_QH = (0x0F << 6) | OPC_SHLL_OB_DSP,
851 OPC_SHRLV_OB = (0x03 << 6) | OPC_SHLL_OB_DSP,
852 OPC_SHRLV_QH = (0x1B << 6) | OPC_SHLL_OB_DSP,
853 OPC_SHLL_OB = (0x00 << 6) | OPC_SHLL_OB_DSP,
854 OPC_SHLL_QH = (0x08 << 6) | OPC_SHLL_OB_DSP,
855 OPC_SHLL_S_QH = (0x0C << 6) | OPC_SHLL_OB_DSP,
856 OPC_SHRA_OB = (0x04 << 6) | OPC_SHLL_OB_DSP,
857 OPC_SHRA_R_OB = (0x05 << 6) | OPC_SHLL_OB_DSP,
858 OPC_SHRA_QH = (0x09 << 6) | OPC_SHLL_OB_DSP,
859 OPC_SHRA_R_QH = (0x0D << 6) | OPC_SHLL_OB_DSP,
860 OPC_SHRL_OB = (0x01 << 6) | OPC_SHLL_OB_DSP,
861 OPC_SHRL_QH = (0x19 << 6) | OPC_SHLL_OB_DSP,
862 };
863
864 /* Coprocessor 0 (rs field) */
865 #define MASK_CP0(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21))
866
867 enum {
868 OPC_MFC0 = (0x00 << 21) | OPC_CP0,
869 OPC_DMFC0 = (0x01 << 21) | OPC_CP0,
870 OPC_MFHC0 = (0x02 << 21) | OPC_CP0,
871 OPC_MTC0 = (0x04 << 21) | OPC_CP0,
872 OPC_DMTC0 = (0x05 << 21) | OPC_CP0,
873 OPC_MTHC0 = (0x06 << 21) | OPC_CP0,
874 OPC_MFTR = (0x08 << 21) | OPC_CP0,
875 OPC_RDPGPR = (0x0A << 21) | OPC_CP0,
876 OPC_MFMC0 = (0x0B << 21) | OPC_CP0,
877 OPC_MTTR = (0x0C << 21) | OPC_CP0,
878 OPC_WRPGPR = (0x0E << 21) | OPC_CP0,
879 OPC_C0 = (0x10 << 21) | OPC_CP0,
880 OPC_C0_FIRST = (0x10 << 21) | OPC_CP0,
881 OPC_C0_LAST = (0x1F << 21) | OPC_CP0,
882 };
883
884 /* MFMC0 opcodes */
885 #define MASK_MFMC0(op) MASK_CP0(op) | (op & 0xFFFF)
886
887 enum {
888 OPC_DMT = 0x01 | (0 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0,
889 OPC_EMT = 0x01 | (1 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0,
890 OPC_DVPE = 0x01 | (0 << 5) | OPC_MFMC0,
891 OPC_EVPE = 0x01 | (1 << 5) | OPC_MFMC0,
892 OPC_DI = (0 << 5) | (0x0C << 11) | OPC_MFMC0,
893 OPC_EI = (1 << 5) | (0x0C << 11) | OPC_MFMC0,
894 };
895
896 /* Coprocessor 0 (with rs == C0) */
897 #define MASK_C0(op) MASK_CP0(op) | (op & 0x3F)
898
899 enum {
900 OPC_TLBR = 0x01 | OPC_C0,
901 OPC_TLBWI = 0x02 | OPC_C0,
902 OPC_TLBINV = 0x03 | OPC_C0,
903 OPC_TLBINVF = 0x04 | OPC_C0,
904 OPC_TLBWR = 0x06 | OPC_C0,
905 OPC_TLBP = 0x08 | OPC_C0,
906 OPC_RFE = 0x10 | OPC_C0,
907 OPC_ERET = 0x18 | OPC_C0,
908 OPC_DERET = 0x1F | OPC_C0,
909 OPC_WAIT = 0x20 | OPC_C0,
910 };
911
912 /* Coprocessor 1 (rs field) */
913 #define MASK_CP1(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21))
914
915 /* Values for the fmt field in FP instructions */
916 enum {
917 /* 0 - 15 are reserved */
918 FMT_S = 16, /* single fp */
919 FMT_D = 17, /* double fp */
920 FMT_E = 18, /* extended fp */
921 FMT_Q = 19, /* quad fp */
922 FMT_W = 20, /* 32-bit fixed */
923 FMT_L = 21, /* 64-bit fixed */
924 FMT_PS = 22, /* paired single fp */
925 /* 23 - 31 are reserved */
926 };
927
928 enum {
929 OPC_MFC1 = (0x00 << 21) | OPC_CP1,
930 OPC_DMFC1 = (0x01 << 21) | OPC_CP1,
931 OPC_CFC1 = (0x02 << 21) | OPC_CP1,
932 OPC_MFHC1 = (0x03 << 21) | OPC_CP1,
933 OPC_MTC1 = (0x04 << 21) | OPC_CP1,
934 OPC_DMTC1 = (0x05 << 21) | OPC_CP1,
935 OPC_CTC1 = (0x06 << 21) | OPC_CP1,
936 OPC_MTHC1 = (0x07 << 21) | OPC_CP1,
937 OPC_BC1 = (0x08 << 21) | OPC_CP1, /* bc */
938 OPC_BC1ANY2 = (0x09 << 21) | OPC_CP1,
939 OPC_BC1ANY4 = (0x0A << 21) | OPC_CP1,
940 OPC_BZ_V = (0x0B << 21) | OPC_CP1,
941 OPC_BNZ_V = (0x0F << 21) | OPC_CP1,
942 OPC_S_FMT = (FMT_S << 21) | OPC_CP1,
943 OPC_D_FMT = (FMT_D << 21) | OPC_CP1,
944 OPC_E_FMT = (FMT_E << 21) | OPC_CP1,
945 OPC_Q_FMT = (FMT_Q << 21) | OPC_CP1,
946 OPC_W_FMT = (FMT_W << 21) | OPC_CP1,
947 OPC_L_FMT = (FMT_L << 21) | OPC_CP1,
948 OPC_PS_FMT = (FMT_PS << 21) | OPC_CP1,
949 OPC_BC1EQZ = (0x09 << 21) | OPC_CP1,
950 OPC_BC1NEZ = (0x0D << 21) | OPC_CP1,
951 OPC_BZ_B = (0x18 << 21) | OPC_CP1,
952 OPC_BZ_H = (0x19 << 21) | OPC_CP1,
953 OPC_BZ_W = (0x1A << 21) | OPC_CP1,
954 OPC_BZ_D = (0x1B << 21) | OPC_CP1,
955 OPC_BNZ_B = (0x1C << 21) | OPC_CP1,
956 OPC_BNZ_H = (0x1D << 21) | OPC_CP1,
957 OPC_BNZ_W = (0x1E << 21) | OPC_CP1,
958 OPC_BNZ_D = (0x1F << 21) | OPC_CP1,
959 };
960
961 #define MASK_CP1_FUNC(op) MASK_CP1(op) | (op & 0x3F)
962 #define MASK_BC1(op) MASK_CP1(op) | (op & (0x3 << 16))
963
964 enum {
965 OPC_BC1F = (0x00 << 16) | OPC_BC1,
966 OPC_BC1T = (0x01 << 16) | OPC_BC1,
967 OPC_BC1FL = (0x02 << 16) | OPC_BC1,
968 OPC_BC1TL = (0x03 << 16) | OPC_BC1,
969 };
970
971 enum {
972 OPC_BC1FANY2 = (0x00 << 16) | OPC_BC1ANY2,
973 OPC_BC1TANY2 = (0x01 << 16) | OPC_BC1ANY2,
974 };
975
976 enum {
977 OPC_BC1FANY4 = (0x00 << 16) | OPC_BC1ANY4,
978 OPC_BC1TANY4 = (0x01 << 16) | OPC_BC1ANY4,
979 };
980
981 #define MASK_CP2(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21))
982
983 enum {
984 OPC_MFC2 = (0x00 << 21) | OPC_CP2,
985 OPC_DMFC2 = (0x01 << 21) | OPC_CP2,
986 OPC_CFC2 = (0x02 << 21) | OPC_CP2,
987 OPC_MFHC2 = (0x03 << 21) | OPC_CP2,
988 OPC_MTC2 = (0x04 << 21) | OPC_CP2,
989 OPC_DMTC2 = (0x05 << 21) | OPC_CP2,
990 OPC_CTC2 = (0x06 << 21) | OPC_CP2,
991 OPC_MTHC2 = (0x07 << 21) | OPC_CP2,
992 OPC_BC2 = (0x08 << 21) | OPC_CP2,
993 OPC_BC2EQZ = (0x09 << 21) | OPC_CP2,
994 OPC_BC2NEZ = (0x0D << 21) | OPC_CP2,
995 };
996
997 #define MASK_LMI(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 21)) | (op & 0x1F))
998
999 enum {
1000 OPC_PADDSH = (24 << 21) | (0x00) | OPC_CP2,
1001 OPC_PADDUSH = (25 << 21) | (0x00) | OPC_CP2,
1002 OPC_PADDH = (26 << 21) | (0x00) | OPC_CP2,
1003 OPC_PADDW = (27 << 21) | (0x00) | OPC_CP2,
1004 OPC_PADDSB = (28 << 21) | (0x00) | OPC_CP2,
1005 OPC_PADDUSB = (29 << 21) | (0x00) | OPC_CP2,
1006 OPC_PADDB = (30 << 21) | (0x00) | OPC_CP2,
1007 OPC_PADDD = (31 << 21) | (0x00) | OPC_CP2,
1008
1009 OPC_PSUBSH = (24 << 21) | (0x01) | OPC_CP2,
1010 OPC_PSUBUSH = (25 << 21) | (0x01) | OPC_CP2,
1011 OPC_PSUBH = (26 << 21) | (0x01) | OPC_CP2,
1012 OPC_PSUBW = (27 << 21) | (0x01) | OPC_CP2,
1013 OPC_PSUBSB = (28 << 21) | (0x01) | OPC_CP2,
1014 OPC_PSUBUSB = (29 << 21) | (0x01) | OPC_CP2,
1015 OPC_PSUBB = (30 << 21) | (0x01) | OPC_CP2,
1016 OPC_PSUBD = (31 << 21) | (0x01) | OPC_CP2,
1017
1018 OPC_PSHUFH = (24 << 21) | (0x02) | OPC_CP2,
1019 OPC_PACKSSWH = (25 << 21) | (0x02) | OPC_CP2,
1020 OPC_PACKSSHB = (26 << 21) | (0x02) | OPC_CP2,
1021 OPC_PACKUSHB = (27 << 21) | (0x02) | OPC_CP2,
1022 OPC_XOR_CP2 = (28 << 21) | (0x02) | OPC_CP2,
1023 OPC_NOR_CP2 = (29 << 21) | (0x02) | OPC_CP2,
1024 OPC_AND_CP2 = (30 << 21) | (0x02) | OPC_CP2,
1025 OPC_PANDN = (31 << 21) | (0x02) | OPC_CP2,
1026
1027 OPC_PUNPCKLHW = (24 << 21) | (0x03) | OPC_CP2,
1028 OPC_PUNPCKHHW = (25 << 21) | (0x03) | OPC_CP2,
1029 OPC_PUNPCKLBH = (26 << 21) | (0x03) | OPC_CP2,
1030 OPC_PUNPCKHBH = (27 << 21) | (0x03) | OPC_CP2,
1031 OPC_PINSRH_0 = (28 << 21) | (0x03) | OPC_CP2,
1032 OPC_PINSRH_1 = (29 << 21) | (0x03) | OPC_CP2,
1033 OPC_PINSRH_2 = (30 << 21) | (0x03) | OPC_CP2,
1034 OPC_PINSRH_3 = (31 << 21) | (0x03) | OPC_CP2,
1035
1036 OPC_PAVGH = (24 << 21) | (0x08) | OPC_CP2,
1037 OPC_PAVGB = (25 << 21) | (0x08) | OPC_CP2,
1038 OPC_PMAXSH = (26 << 21) | (0x08) | OPC_CP2,
1039 OPC_PMINSH = (27 << 21) | (0x08) | OPC_CP2,
1040 OPC_PMAXUB = (28 << 21) | (0x08) | OPC_CP2,
1041 OPC_PMINUB = (29 << 21) | (0x08) | OPC_CP2,
1042
1043 OPC_PCMPEQW = (24 << 21) | (0x09) | OPC_CP2,
1044 OPC_PCMPGTW = (25 << 21) | (0x09) | OPC_CP2,
1045 OPC_PCMPEQH = (26 << 21) | (0x09) | OPC_CP2,
1046 OPC_PCMPGTH = (27 << 21) | (0x09) | OPC_CP2,
1047 OPC_PCMPEQB = (28 << 21) | (0x09) | OPC_CP2,
1048 OPC_PCMPGTB = (29 << 21) | (0x09) | OPC_CP2,
1049
1050 OPC_PSLLW = (24 << 21) | (0x0A) | OPC_CP2,
1051 OPC_PSLLH = (25 << 21) | (0x0A) | OPC_CP2,
1052 OPC_PMULLH = (26 << 21) | (0x0A) | OPC_CP2,
1053 OPC_PMULHH = (27 << 21) | (0x0A) | OPC_CP2,
1054 OPC_PMULUW = (28 << 21) | (0x0A) | OPC_CP2,
1055 OPC_PMULHUH = (29 << 21) | (0x0A) | OPC_CP2,
1056
1057 OPC_PSRLW = (24 << 21) | (0x0B) | OPC_CP2,
1058 OPC_PSRLH = (25 << 21) | (0x0B) | OPC_CP2,
1059 OPC_PSRAW = (26 << 21) | (0x0B) | OPC_CP2,
1060 OPC_PSRAH = (27 << 21) | (0x0B) | OPC_CP2,
1061 OPC_PUNPCKLWD = (28 << 21) | (0x0B) | OPC_CP2,
1062 OPC_PUNPCKHWD = (29 << 21) | (0x0B) | OPC_CP2,
1063
1064 OPC_ADDU_CP2 = (24 << 21) | (0x0C) | OPC_CP2,
1065 OPC_OR_CP2 = (25 << 21) | (0x0C) | OPC_CP2,
1066 OPC_ADD_CP2 = (26 << 21) | (0x0C) | OPC_CP2,
1067 OPC_DADD_CP2 = (27 << 21) | (0x0C) | OPC_CP2,
1068 OPC_SEQU_CP2 = (28 << 21) | (0x0C) | OPC_CP2,
1069 OPC_SEQ_CP2 = (29 << 21) | (0x0C) | OPC_CP2,
1070
1071 OPC_SUBU_CP2 = (24 << 21) | (0x0D) | OPC_CP2,
1072 OPC_PASUBUB = (25 << 21) | (0x0D) | OPC_CP2,
1073 OPC_SUB_CP2 = (26 << 21) | (0x0D) | OPC_CP2,
1074 OPC_DSUB_CP2 = (27 << 21) | (0x0D) | OPC_CP2,
1075 OPC_SLTU_CP2 = (28 << 21) | (0x0D) | OPC_CP2,
1076 OPC_SLT_CP2 = (29 << 21) | (0x0D) | OPC_CP2,
1077
1078 OPC_SLL_CP2 = (24 << 21) | (0x0E) | OPC_CP2,
1079 OPC_DSLL_CP2 = (25 << 21) | (0x0E) | OPC_CP2,
1080 OPC_PEXTRH = (26 << 21) | (0x0E) | OPC_CP2,
1081 OPC_PMADDHW = (27 << 21) | (0x0E) | OPC_CP2,
1082 OPC_SLEU_CP2 = (28 << 21) | (0x0E) | OPC_CP2,
1083 OPC_SLE_CP2 = (29 << 21) | (0x0E) | OPC_CP2,
1084
1085 OPC_SRL_CP2 = (24 << 21) | (0x0F) | OPC_CP2,
1086 OPC_DSRL_CP2 = (25 << 21) | (0x0F) | OPC_CP2,
1087 OPC_SRA_CP2 = (26 << 21) | (0x0F) | OPC_CP2,
1088 OPC_DSRA_CP2 = (27 << 21) | (0x0F) | OPC_CP2,
1089 OPC_BIADD = (28 << 21) | (0x0F) | OPC_CP2,
1090 OPC_PMOVMSKB = (29 << 21) | (0x0F) | OPC_CP2,
1091 };
1092
1093
1094 #define MASK_CP3(op) MASK_OP_MAJOR(op) | (op & 0x3F)
1095
1096 enum {
1097 OPC_LWXC1 = 0x00 | OPC_CP3,
1098 OPC_LDXC1 = 0x01 | OPC_CP3,
1099 OPC_LUXC1 = 0x05 | OPC_CP3,
1100 OPC_SWXC1 = 0x08 | OPC_CP3,
1101 OPC_SDXC1 = 0x09 | OPC_CP3,
1102 OPC_SUXC1 = 0x0D | OPC_CP3,
1103 OPC_PREFX = 0x0F | OPC_CP3,
1104 OPC_ALNV_PS = 0x1E | OPC_CP3,
1105 OPC_MADD_S = 0x20 | OPC_CP3,
1106 OPC_MADD_D = 0x21 | OPC_CP3,
1107 OPC_MADD_PS = 0x26 | OPC_CP3,
1108 OPC_MSUB_S = 0x28 | OPC_CP3,
1109 OPC_MSUB_D = 0x29 | OPC_CP3,
1110 OPC_MSUB_PS = 0x2E | OPC_CP3,
1111 OPC_NMADD_S = 0x30 | OPC_CP3,
1112 OPC_NMADD_D = 0x31 | OPC_CP3,
1113 OPC_NMADD_PS= 0x36 | OPC_CP3,
1114 OPC_NMSUB_S = 0x38 | OPC_CP3,
1115 OPC_NMSUB_D = 0x39 | OPC_CP3,
1116 OPC_NMSUB_PS= 0x3E | OPC_CP3,
1117 };
1118
1119 /* MSA Opcodes */
1120 #define MASK_MSA_MINOR(op) (MASK_OP_MAJOR(op) | (op & 0x3F))
1121 enum {
1122 OPC_MSA_I8_00 = 0x00 | OPC_MSA,
1123 OPC_MSA_I8_01 = 0x01 | OPC_MSA,
1124 OPC_MSA_I8_02 = 0x02 | OPC_MSA,
1125 OPC_MSA_I5_06 = 0x06 | OPC_MSA,
1126 OPC_MSA_I5_07 = 0x07 | OPC_MSA,
1127 OPC_MSA_BIT_09 = 0x09 | OPC_MSA,
1128 OPC_MSA_BIT_0A = 0x0A | OPC_MSA,
1129 OPC_MSA_3R_0D = 0x0D | OPC_MSA,
1130 OPC_MSA_3R_0E = 0x0E | OPC_MSA,
1131 OPC_MSA_3R_0F = 0x0F | OPC_MSA,
1132 OPC_MSA_3R_10 = 0x10 | OPC_MSA,
1133 OPC_MSA_3R_11 = 0x11 | OPC_MSA,
1134 OPC_MSA_3R_12 = 0x12 | OPC_MSA,
1135 OPC_MSA_3R_13 = 0x13 | OPC_MSA,
1136 OPC_MSA_3R_14 = 0x14 | OPC_MSA,
1137 OPC_MSA_3R_15 = 0x15 | OPC_MSA,
1138 OPC_MSA_ELM = 0x19 | OPC_MSA,
1139 OPC_MSA_3RF_1A = 0x1A | OPC_MSA,
1140 OPC_MSA_3RF_1B = 0x1B | OPC_MSA,
1141 OPC_MSA_3RF_1C = 0x1C | OPC_MSA,
1142 OPC_MSA_VEC = 0x1E | OPC_MSA,
1143
1144 /* MI10 instruction */
1145 OPC_LD_B = (0x20) | OPC_MSA,
1146 OPC_LD_H = (0x21) | OPC_MSA,
1147 OPC_LD_W = (0x22) | OPC_MSA,
1148 OPC_LD_D = (0x23) | OPC_MSA,
1149 OPC_ST_B = (0x24) | OPC_MSA,
1150 OPC_ST_H = (0x25) | OPC_MSA,
1151 OPC_ST_W = (0x26) | OPC_MSA,
1152 OPC_ST_D = (0x27) | OPC_MSA,
1153 };
1154
1155 enum {
1156 /* I5 instruction df(bits 22..21) = _b, _h, _w, _d */
1157 OPC_ADDVI_df = (0x0 << 23) | OPC_MSA_I5_06,
1158 OPC_CEQI_df = (0x0 << 23) | OPC_MSA_I5_07,
1159 OPC_SUBVI_df = (0x1 << 23) | OPC_MSA_I5_06,
1160 OPC_MAXI_S_df = (0x2 << 23) | OPC_MSA_I5_06,
1161 OPC_CLTI_S_df = (0x2 << 23) | OPC_MSA_I5_07,
1162 OPC_MAXI_U_df = (0x3 << 23) | OPC_MSA_I5_06,
1163 OPC_CLTI_U_df = (0x3 << 23) | OPC_MSA_I5_07,
1164 OPC_MINI_S_df = (0x4 << 23) | OPC_MSA_I5_06,
1165 OPC_CLEI_S_df = (0x4 << 23) | OPC_MSA_I5_07,
1166 OPC_MINI_U_df = (0x5 << 23) | OPC_MSA_I5_06,
1167 OPC_CLEI_U_df = (0x5 << 23) | OPC_MSA_I5_07,
1168 OPC_LDI_df = (0x6 << 23) | OPC_MSA_I5_07,
1169
1170 /* I8 instruction */
1171 OPC_ANDI_B = (0x0 << 24) | OPC_MSA_I8_00,
1172 OPC_BMNZI_B = (0x0 << 24) | OPC_MSA_I8_01,
1173 OPC_SHF_B = (0x0 << 24) | OPC_MSA_I8_02,
1174 OPC_ORI_B = (0x1 << 24) | OPC_MSA_I8_00,
1175 OPC_BMZI_B = (0x1 << 24) | OPC_MSA_I8_01,
1176 OPC_SHF_H = (0x1 << 24) | OPC_MSA_I8_02,
1177 OPC_NORI_B = (0x2 << 24) | OPC_MSA_I8_00,
1178 OPC_BSELI_B = (0x2 << 24) | OPC_MSA_I8_01,
1179 OPC_SHF_W = (0x2 << 24) | OPC_MSA_I8_02,
1180 OPC_XORI_B = (0x3 << 24) | OPC_MSA_I8_00,
1181
1182 /* VEC/2R/2RF instruction */
1183 OPC_AND_V = (0x00 << 21) | OPC_MSA_VEC,
1184 OPC_OR_V = (0x01 << 21) | OPC_MSA_VEC,
1185 OPC_NOR_V = (0x02 << 21) | OPC_MSA_VEC,
1186 OPC_XOR_V = (0x03 << 21) | OPC_MSA_VEC,
1187 OPC_BMNZ_V = (0x04 << 21) | OPC_MSA_VEC,
1188 OPC_BMZ_V = (0x05 << 21) | OPC_MSA_VEC,
1189 OPC_BSEL_V = (0x06 << 21) | OPC_MSA_VEC,
1190
1191 OPC_MSA_2R = (0x18 << 21) | OPC_MSA_VEC,
1192 OPC_MSA_2RF = (0x19 << 21) | OPC_MSA_VEC,
1193
1194 /* 2R instruction df(bits 17..16) = _b, _h, _w, _d */
1195 OPC_FILL_df = (0x00 << 18) | OPC_MSA_2R,
1196 OPC_PCNT_df = (0x01 << 18) | OPC_MSA_2R,
1197 OPC_NLOC_df = (0x02 << 18) | OPC_MSA_2R,
1198 OPC_NLZC_df = (0x03 << 18) | OPC_MSA_2R,
1199
1200 /* 2RF instruction df(bit 16) = _w, _d */
1201 OPC_FCLASS_df = (0x00 << 17) | OPC_MSA_2RF,
1202 OPC_FTRUNC_S_df = (0x01 << 17) | OPC_MSA_2RF,
1203 OPC_FTRUNC_U_df = (0x02 << 17) | OPC_MSA_2RF,
1204 OPC_FSQRT_df = (0x03 << 17) | OPC_MSA_2RF,
1205 OPC_FRSQRT_df = (0x04 << 17) | OPC_MSA_2RF,
1206 OPC_FRCP_df = (0x05 << 17) | OPC_MSA_2RF,
1207 OPC_FRINT_df = (0x06 << 17) | OPC_MSA_2RF,
1208 OPC_FLOG2_df = (0x07 << 17) | OPC_MSA_2RF,
1209 OPC_FEXUPL_df = (0x08 << 17) | OPC_MSA_2RF,
1210 OPC_FEXUPR_df = (0x09 << 17) | OPC_MSA_2RF,
1211 OPC_FFQL_df = (0x0A << 17) | OPC_MSA_2RF,
1212 OPC_FFQR_df = (0x0B << 17) | OPC_MSA_2RF,
1213 OPC_FTINT_S_df = (0x0C << 17) | OPC_MSA_2RF,
1214 OPC_FTINT_U_df = (0x0D << 17) | OPC_MSA_2RF,
1215 OPC_FFINT_S_df = (0x0E << 17) | OPC_MSA_2RF,
1216 OPC_FFINT_U_df = (0x0F << 17) | OPC_MSA_2RF,
1217
1218 /* 3R instruction df(bits 22..21) = _b, _h, _w, d */
1219 OPC_SLL_df = (0x0 << 23) | OPC_MSA_3R_0D,
1220 OPC_ADDV_df = (0x0 << 23) | OPC_MSA_3R_0E,
1221 OPC_CEQ_df = (0x0 << 23) | OPC_MSA_3R_0F,
1222 OPC_ADD_A_df = (0x0 << 23) | OPC_MSA_3R_10,
1223 OPC_SUBS_S_df = (0x0 << 23) | OPC_MSA_3R_11,
1224 OPC_MULV_df = (0x0 << 23) | OPC_MSA_3R_12,
1225 OPC_DOTP_S_df = (0x0 << 23) | OPC_MSA_3R_13,
1226 OPC_SLD_df = (0x0 << 23) | OPC_MSA_3R_14,
1227 OPC_VSHF_df = (0x0 << 23) | OPC_MSA_3R_15,
1228 OPC_SRA_df = (0x1 << 23) | OPC_MSA_3R_0D,
1229 OPC_SUBV_df = (0x1 << 23) | OPC_MSA_3R_0E,
1230 OPC_ADDS_A_df = (0x1 << 23) | OPC_MSA_3R_10,
1231 OPC_SUBS_U_df = (0x1 << 23) | OPC_MSA_3R_11,
1232 OPC_MADDV_df = (0x1 << 23) | OPC_MSA_3R_12,
1233 OPC_DOTP_U_df = (0x1 << 23) | OPC_MSA_3R_13,
1234 OPC_SPLAT_df = (0x1 << 23) | OPC_MSA_3R_14,
1235 OPC_SRAR_df = (0x1 << 23) | OPC_MSA_3R_15,
1236 OPC_SRL_df = (0x2 << 23) | OPC_MSA_3R_0D,
1237 OPC_MAX_S_df = (0x2 << 23) | OPC_MSA_3R_0E,
1238 OPC_CLT_S_df = (0x2 << 23) | OPC_MSA_3R_0F,
1239 OPC_ADDS_S_df = (0x2 << 23) | OPC_MSA_3R_10,
1240 OPC_SUBSUS_U_df = (0x2 << 23) | OPC_MSA_3R_11,
1241 OPC_MSUBV_df = (0x2 << 23) | OPC_MSA_3R_12,
1242 OPC_DPADD_S_df = (0x2 << 23) | OPC_MSA_3R_13,
1243 OPC_PCKEV_df = (0x2 << 23) | OPC_MSA_3R_14,
1244 OPC_SRLR_df = (0x2 << 23) | OPC_MSA_3R_15,
1245 OPC_BCLR_df = (0x3 << 23) | OPC_MSA_3R_0D,
1246 OPC_MAX_U_df = (0x3 << 23) | OPC_MSA_3R_0E,
1247 OPC_CLT_U_df = (0x3 << 23) | OPC_MSA_3R_0F,
1248 OPC_ADDS_U_df = (0x3 << 23) | OPC_MSA_3R_10,
1249 OPC_SUBSUU_S_df = (0x3 << 23) | OPC_MSA_3R_11,
1250 OPC_DPADD_U_df = (0x3 << 23) | OPC_MSA_3R_13,
1251 OPC_PCKOD_df = (0x3 << 23) | OPC_MSA_3R_14,
1252 OPC_BSET_df = (0x4 << 23) | OPC_MSA_3R_0D,
1253 OPC_MIN_S_df = (0x4 << 23) | OPC_MSA_3R_0E,
1254 OPC_CLE_S_df = (0x4 << 23) | OPC_MSA_3R_0F,
1255 OPC_AVE_S_df = (0x4 << 23) | OPC_MSA_3R_10,
1256 OPC_ASUB_S_df = (0x4 << 23) | OPC_MSA_3R_11,
1257 OPC_DIV_S_df = (0x4 << 23) | OPC_MSA_3R_12,
1258 OPC_DPSUB_S_df = (0x4 << 23) | OPC_MSA_3R_13,
1259 OPC_ILVL_df = (0x4 << 23) | OPC_MSA_3R_14,
1260 OPC_HADD_S_df = (0x4 << 23) | OPC_MSA_3R_15,
1261 OPC_BNEG_df = (0x5 << 23) | OPC_MSA_3R_0D,
1262 OPC_MIN_U_df = (0x5 << 23) | OPC_MSA_3R_0E,
1263 OPC_CLE_U_df = (0x5 << 23) | OPC_MSA_3R_0F,
1264 OPC_AVE_U_df = (0x5 << 23) | OPC_MSA_3R_10,
1265 OPC_ASUB_U_df = (0x5 << 23) | OPC_MSA_3R_11,
1266 OPC_DIV_U_df = (0x5 << 23) | OPC_MSA_3R_12,
1267 OPC_DPSUB_U_df = (0x5 << 23) | OPC_MSA_3R_13,
1268 OPC_ILVR_df = (0x5 << 23) | OPC_MSA_3R_14,
1269 OPC_HADD_U_df = (0x5 << 23) | OPC_MSA_3R_15,
1270 OPC_BINSL_df = (0x6 << 23) | OPC_MSA_3R_0D,
1271 OPC_MAX_A_df = (0x6 << 23) | OPC_MSA_3R_0E,
1272 OPC_AVER_S_df = (0x6 << 23) | OPC_MSA_3R_10,
1273 OPC_MOD_S_df = (0x6 << 23) | OPC_MSA_3R_12,
1274 OPC_ILVEV_df = (0x6 << 23) | OPC_MSA_3R_14,
1275 OPC_HSUB_S_df = (0x6 << 23) | OPC_MSA_3R_15,
1276 OPC_BINSR_df = (0x7 << 23) | OPC_MSA_3R_0D,
1277 OPC_MIN_A_df = (0x7 << 23) | OPC_MSA_3R_0E,
1278 OPC_AVER_U_df = (0x7 << 23) | OPC_MSA_3R_10,
1279 OPC_MOD_U_df = (0x7 << 23) | OPC_MSA_3R_12,
1280 OPC_ILVOD_df = (0x7 << 23) | OPC_MSA_3R_14,
1281 OPC_HSUB_U_df = (0x7 << 23) | OPC_MSA_3R_15,
1282
1283 /* ELM instructions df(bits 21..16) = _b, _h, _w, _d */
1284 OPC_SLDI_df = (0x0 << 22) | (0x00 << 16) | OPC_MSA_ELM,
1285 OPC_CTCMSA = (0x0 << 22) | (0x3E << 16) | OPC_MSA_ELM,
1286 OPC_SPLATI_df = (0x1 << 22) | (0x00 << 16) | OPC_MSA_ELM,
1287 OPC_CFCMSA = (0x1 << 22) | (0x3E << 16) | OPC_MSA_ELM,
1288 OPC_COPY_S_df = (0x2 << 22) | (0x00 << 16) | OPC_MSA_ELM,
1289 OPC_MOVE_V = (0x2 << 22) | (0x3E << 16) | OPC_MSA_ELM,
1290 OPC_COPY_U_df = (0x3 << 22) | (0x00 << 16) | OPC_MSA_ELM,
1291 OPC_INSERT_df = (0x4 << 22) | (0x00 << 16) | OPC_MSA_ELM,
1292 OPC_INSVE_df = (0x5 << 22) | (0x00 << 16) | OPC_MSA_ELM,
1293
1294 /* 3RF instruction _df(bit 21) = _w, _d */
1295 OPC_FCAF_df = (0x0 << 22) | OPC_MSA_3RF_1A,
1296 OPC_FADD_df = (0x0 << 22) | OPC_MSA_3RF_1B,
1297 OPC_FCUN_df = (0x1 << 22) | OPC_MSA_3RF_1A,
1298 OPC_FSUB_df = (0x1 << 22) | OPC_MSA_3RF_1B,
1299 OPC_FCOR_df = (0x1 << 22) | OPC_MSA_3RF_1C,
1300 OPC_FCEQ_df = (0x2 << 22) | OPC_MSA_3RF_1A,
1301 OPC_FMUL_df = (0x2 << 22) | OPC_MSA_3RF_1B,
1302 OPC_FCUNE_df = (0x2 << 22) | OPC_MSA_3RF_1C,
1303 OPC_FCUEQ_df = (0x3 << 22) | OPC_MSA_3RF_1A,
1304 OPC_FDIV_df = (0x3 << 22) | OPC_MSA_3RF_1B,
1305 OPC_FCNE_df = (0x3 << 22) | OPC_MSA_3RF_1C,
1306 OPC_FCLT_df = (0x4 << 22) | OPC_MSA_3RF_1A,
1307 OPC_FMADD_df = (0x4 << 22) | OPC_MSA_3RF_1B,
1308 OPC_MUL_Q_df = (0x4 << 22) | OPC_MSA_3RF_1C,
1309 OPC_FCULT_df = (0x5 << 22) | OPC_MSA_3RF_1A,
1310 OPC_FMSUB_df = (0x5 << 22) | OPC_MSA_3RF_1B,
1311 OPC_MADD_Q_df = (0x5 << 22) | OPC_MSA_3RF_1C,
1312 OPC_FCLE_df = (0x6 << 22) | OPC_MSA_3RF_1A,
1313 OPC_MSUB_Q_df = (0x6 << 22) | OPC_MSA_3RF_1C,
1314 OPC_FCULE_df = (0x7 << 22) | OPC_MSA_3RF_1A,
1315 OPC_FEXP2_df = (0x7 << 22) | OPC_MSA_3RF_1B,
1316 OPC_FSAF_df = (0x8 << 22) | OPC_MSA_3RF_1A,
1317 OPC_FEXDO_df = (0x8 << 22) | OPC_MSA_3RF_1B,
1318 OPC_FSUN_df = (0x9 << 22) | OPC_MSA_3RF_1A,
1319 OPC_FSOR_df = (0x9 << 22) | OPC_MSA_3RF_1C,
1320 OPC_FSEQ_df = (0xA << 22) | OPC_MSA_3RF_1A,
1321 OPC_FTQ_df = (0xA << 22) | OPC_MSA_3RF_1B,
1322 OPC_FSUNE_df = (0xA << 22) | OPC_MSA_3RF_1C,
1323 OPC_FSUEQ_df = (0xB << 22) | OPC_MSA_3RF_1A,
1324 OPC_FSNE_df = (0xB << 22) | OPC_MSA_3RF_1C,
1325 OPC_FSLT_df = (0xC << 22) | OPC_MSA_3RF_1A,
1326 OPC_FMIN_df = (0xC << 22) | OPC_MSA_3RF_1B,
1327 OPC_MULR_Q_df = (0xC << 22) | OPC_MSA_3RF_1C,
1328 OPC_FSULT_df = (0xD << 22) | OPC_MSA_3RF_1A,
1329 OPC_FMIN_A_df = (0xD << 22) | OPC_MSA_3RF_1B,
1330 OPC_MADDR_Q_df = (0xD << 22) | OPC_MSA_3RF_1C,
1331 OPC_FSLE_df = (0xE << 22) | OPC_MSA_3RF_1A,
1332 OPC_FMAX_df = (0xE << 22) | OPC_MSA_3RF_1B,
1333 OPC_MSUBR_Q_df = (0xE << 22) | OPC_MSA_3RF_1C,
1334 OPC_FSULE_df = (0xF << 22) | OPC_MSA_3RF_1A,
1335 OPC_FMAX_A_df = (0xF << 22) | OPC_MSA_3RF_1B,
1336
1337 /* BIT instruction df(bits 22..16) = _B _H _W _D */
1338 OPC_SLLI_df = (0x0 << 23) | OPC_MSA_BIT_09,
1339 OPC_SAT_S_df = (0x0 << 23) | OPC_MSA_BIT_0A,
1340 OPC_SRAI_df = (0x1 << 23) | OPC_MSA_BIT_09,
1341 OPC_SAT_U_df = (0x1 << 23) | OPC_MSA_BIT_0A,
1342 OPC_SRLI_df = (0x2 << 23) | OPC_MSA_BIT_09,
1343 OPC_SRARI_df = (0x2 << 23) | OPC_MSA_BIT_0A,
1344 OPC_BCLRI_df = (0x3 << 23) | OPC_MSA_BIT_09,
1345 OPC_SRLRI_df = (0x3 << 23) | OPC_MSA_BIT_0A,
1346 OPC_BSETI_df = (0x4 << 23) | OPC_MSA_BIT_09,
1347 OPC_BNEGI_df = (0x5 << 23) | OPC_MSA_BIT_09,
1348 OPC_BINSLI_df = (0x6 << 23) | OPC_MSA_BIT_09,
1349 OPC_BINSRI_df = (0x7 << 23) | OPC_MSA_BIT_09,
1350 };
1351
1352 /* global register indices */
1353 static TCGv_ptr cpu_env;
1354 static TCGv cpu_gpr[32], cpu_PC;
1355 static TCGv cpu_HI[MIPS_DSP_ACC], cpu_LO[MIPS_DSP_ACC];
1356 static TCGv cpu_dspctrl, btarget, bcond;
1357 static TCGv_i32 hflags;
1358 static TCGv_i32 fpu_fcr0, fpu_fcr31;
1359 static TCGv_i64 fpu_f64[32];
1360 static TCGv_i64 msa_wr_d[64];
1361
1362 #include "exec/gen-icount.h"
1363
1364 #define gen_helper_0e0i(name, arg) do { \
1365 TCGv_i32 helper_tmp = tcg_const_i32(arg); \
1366 gen_helper_##name(cpu_env, helper_tmp); \
1367 tcg_temp_free_i32(helper_tmp); \
1368 } while(0)
1369
1370 #define gen_helper_0e1i(name, arg1, arg2) do { \
1371 TCGv_i32 helper_tmp = tcg_const_i32(arg2); \
1372 gen_helper_##name(cpu_env, arg1, helper_tmp); \
1373 tcg_temp_free_i32(helper_tmp); \
1374 } while(0)
1375
1376 #define gen_helper_1e0i(name, ret, arg1) do { \
1377 TCGv_i32 helper_tmp = tcg_const_i32(arg1); \
1378 gen_helper_##name(ret, cpu_env, helper_tmp); \
1379 tcg_temp_free_i32(helper_tmp); \
1380 } while(0)
1381
1382 #define gen_helper_1e1i(name, ret, arg1, arg2) do { \
1383 TCGv_i32 helper_tmp = tcg_const_i32(arg2); \
1384 gen_helper_##name(ret, cpu_env, arg1, helper_tmp); \
1385 tcg_temp_free_i32(helper_tmp); \
1386 } while(0)
1387
1388 #define gen_helper_0e2i(name, arg1, arg2, arg3) do { \
1389 TCGv_i32 helper_tmp = tcg_const_i32(arg3); \
1390 gen_helper_##name(cpu_env, arg1, arg2, helper_tmp); \
1391 tcg_temp_free_i32(helper_tmp); \
1392 } while(0)
1393
1394 #define gen_helper_1e2i(name, ret, arg1, arg2, arg3) do { \
1395 TCGv_i32 helper_tmp = tcg_const_i32(arg3); \
1396 gen_helper_##name(ret, cpu_env, arg1, arg2, helper_tmp); \
1397 tcg_temp_free_i32(helper_tmp); \
1398 } while(0)
1399
1400 #define gen_helper_0e3i(name, arg1, arg2, arg3, arg4) do { \
1401 TCGv_i32 helper_tmp = tcg_const_i32(arg4); \
1402 gen_helper_##name(cpu_env, arg1, arg2, arg3, helper_tmp); \
1403 tcg_temp_free_i32(helper_tmp); \
1404 } while(0)
1405
1406 typedef struct DisasContext {
1407 struct TranslationBlock *tb;
1408 target_ulong pc, saved_pc;
1409 uint32_t opcode;
1410 int singlestep_enabled;
1411 int insn_flags;
1412 int32_t CP0_Config1;
1413 /* Routine used to access memory */
1414 int mem_idx;
1415 TCGMemOp default_tcg_memop_mask;
1416 uint32_t hflags, saved_hflags;
1417 int bstate;
1418 target_ulong btarget;
1419 bool ulri;
1420 int kscrexist;
1421 bool rxi;
1422 int ie;
1423 bool bi;
1424 bool bp;
1425 uint64_t PAMask;
1426 bool mvh;
1427 int CP0_LLAddr_shift;
1428 bool ps;
1429 } DisasContext;
1430
1431 enum {
1432 BS_NONE = 0, /* We go out of the TB without reaching a branch or an
1433 * exception condition */
1434 BS_STOP = 1, /* We want to stop translation for any reason */
1435 BS_BRANCH = 2, /* We reached a branch condition */
1436 BS_EXCP = 3, /* We reached an exception condition */
1437 };
1438
1439 static const char * const regnames[] = {
1440 "r0", "at", "v0", "v1", "a0", "a1", "a2", "a3",
1441 "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7",
1442 "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
1443 "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra",
1444 };
1445
1446 static const char * const regnames_HI[] = {
1447 "HI0", "HI1", "HI2", "HI3",
1448 };
1449
1450 static const char * const regnames_LO[] = {
1451 "LO0", "LO1", "LO2", "LO3",
1452 };
1453
1454 static const char * const fregnames[] = {
1455 "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
1456 "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
1457 "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
1458 "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31",
1459 };
1460
1461 static const char * const msaregnames[] = {
1462 "w0.d0", "w0.d1", "w1.d0", "w1.d1",
1463 "w2.d0", "w2.d1", "w3.d0", "w3.d1",
1464 "w4.d0", "w4.d1", "w5.d0", "w5.d1",
1465 "w6.d0", "w6.d1", "w7.d0", "w7.d1",
1466 "w8.d0", "w8.d1", "w9.d0", "w9.d1",
1467 "w10.d0", "w10.d1", "w11.d0", "w11.d1",
1468 "w12.d0", "w12.d1", "w13.d0", "w13.d1",
1469 "w14.d0", "w14.d1", "w15.d0", "w15.d1",
1470 "w16.d0", "w16.d1", "w17.d0", "w17.d1",
1471 "w18.d0", "w18.d1", "w19.d0", "w19.d1",
1472 "w20.d0", "w20.d1", "w21.d0", "w21.d1",
1473 "w22.d0", "w22.d1", "w23.d0", "w23.d1",
1474 "w24.d0", "w24.d1", "w25.d0", "w25.d1",
1475 "w26.d0", "w26.d1", "w27.d0", "w27.d1",
1476 "w28.d0", "w28.d1", "w29.d0", "w29.d1",
1477 "w30.d0", "w30.d1", "w31.d0", "w31.d1",
1478 };
1479
1480 #define LOG_DISAS(...) \
1481 do { \
1482 if (MIPS_DEBUG_DISAS) { \
1483 qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__); \
1484 } \
1485 } while (0)
1486
1487 #define MIPS_INVAL(op) \
1488 do { \
1489 if (MIPS_DEBUG_DISAS) { \
1490 qemu_log_mask(CPU_LOG_TB_IN_ASM, \
1491 TARGET_FMT_lx ": %08x Invalid %s %03x %03x %03x\n", \
1492 ctx->pc, ctx->opcode, op, ctx->opcode >> 26, \
1493 ctx->opcode & 0x3F, ((ctx->opcode >> 16) & 0x1F)); \
1494 } \
1495 } while (0)
1496
1497 /* General purpose registers moves. */
1498 static inline void gen_load_gpr (TCGv t, int reg)
1499 {
1500 if (reg == 0)
1501 tcg_gen_movi_tl(t, 0);
1502 else
1503 tcg_gen_mov_tl(t, cpu_gpr[reg]);
1504 }
1505
1506 static inline void gen_store_gpr (TCGv t, int reg)
1507 {
1508 if (reg != 0)
1509 tcg_gen_mov_tl(cpu_gpr[reg], t);
1510 }
1511
1512 /* Moves to/from shadow registers. */
1513 static inline void gen_load_srsgpr (int from, int to)
1514 {
1515 TCGv t0 = tcg_temp_new();
1516
1517 if (from == 0)
1518 tcg_gen_movi_tl(t0, 0);
1519 else {
1520 TCGv_i32 t2 = tcg_temp_new_i32();
1521 TCGv_ptr addr = tcg_temp_new_ptr();
1522
1523 tcg_gen_ld_i32(t2, cpu_env, offsetof(CPUMIPSState, CP0_SRSCtl));
1524 tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS);
1525 tcg_gen_andi_i32(t2, t2, 0xf);
1526 tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32);
1527 tcg_gen_ext_i32_ptr(addr, t2);
1528 tcg_gen_add_ptr(addr, cpu_env, addr);
1529
1530 tcg_gen_ld_tl(t0, addr, sizeof(target_ulong) * from);
1531 tcg_temp_free_ptr(addr);
1532 tcg_temp_free_i32(t2);
1533 }
1534 gen_store_gpr(t0, to);
1535 tcg_temp_free(t0);
1536 }
1537
1538 static inline void gen_store_srsgpr (int from, int to)
1539 {
1540 if (to != 0) {
1541 TCGv t0 = tcg_temp_new();
1542 TCGv_i32 t2 = tcg_temp_new_i32();
1543 TCGv_ptr addr = tcg_temp_new_ptr();
1544
1545 gen_load_gpr(t0, from);
1546 tcg_gen_ld_i32(t2, cpu_env, offsetof(CPUMIPSState, CP0_SRSCtl));
1547 tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS);
1548 tcg_gen_andi_i32(t2, t2, 0xf);
1549 tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32);
1550 tcg_gen_ext_i32_ptr(addr, t2);
1551 tcg_gen_add_ptr(addr, cpu_env, addr);
1552
1553 tcg_gen_st_tl(t0, addr, sizeof(target_ulong) * to);
1554 tcg_temp_free_ptr(addr);
1555 tcg_temp_free_i32(t2);
1556 tcg_temp_free(t0);
1557 }
1558 }
1559
1560 /* Tests */
1561 static inline void gen_save_pc(target_ulong pc)
1562 {
1563 tcg_gen_movi_tl(cpu_PC, pc);
1564 }
1565
1566 static inline void save_cpu_state(DisasContext *ctx, int do_save_pc)
1567 {
1568 LOG_DISAS("hflags %08x saved %08x\n", ctx->hflags, ctx->saved_hflags);
1569 if (do_save_pc && ctx->pc != ctx->saved_pc) {
1570 gen_save_pc(ctx->pc);
1571 ctx->saved_pc = ctx->pc;
1572 }
1573 if (ctx->hflags != ctx->saved_hflags) {
1574 tcg_gen_movi_i32(hflags, ctx->hflags);
1575 ctx->saved_hflags = ctx->hflags;
1576 switch (ctx->hflags & MIPS_HFLAG_BMASK_BASE) {
1577 case MIPS_HFLAG_BR:
1578 break;
1579 case MIPS_HFLAG_BC:
1580 case MIPS_HFLAG_BL:
1581 case MIPS_HFLAG_B:
1582 tcg_gen_movi_tl(btarget, ctx->btarget);
1583 break;
1584 }
1585 }
1586 }
1587
1588 static inline void restore_cpu_state(CPUMIPSState *env, DisasContext *ctx)
1589 {
1590 ctx->saved_hflags = ctx->hflags;
1591 switch (ctx->hflags & MIPS_HFLAG_BMASK_BASE) {
1592 case MIPS_HFLAG_BR:
1593 break;
1594 case MIPS_HFLAG_BC:
1595 case MIPS_HFLAG_BL:
1596 case MIPS_HFLAG_B:
1597 ctx->btarget = env->btarget;
1598 break;
1599 }
1600 }
1601
1602 static inline void generate_exception_err(DisasContext *ctx, int excp, int err)
1603 {
1604 TCGv_i32 texcp = tcg_const_i32(excp);
1605 TCGv_i32 terr = tcg_const_i32(err);
1606 save_cpu_state(ctx, 1);
1607 gen_helper_raise_exception_err(cpu_env, texcp, terr);
1608 tcg_temp_free_i32(terr);
1609 tcg_temp_free_i32(texcp);
1610 ctx->bstate = BS_EXCP;
1611 }
1612
1613 static inline void generate_exception(DisasContext *ctx, int excp)
1614 {
1615 gen_helper_0e0i(raise_exception, excp);
1616 }
1617
1618 static inline void generate_exception_end(DisasContext *ctx, int excp)
1619 {
1620 generate_exception_err(ctx, excp, 0);
1621 }
1622
1623 /* Floating point register moves. */
1624 static void gen_load_fpr32(DisasContext *ctx, TCGv_i32 t, int reg)
1625 {
1626 if (ctx->hflags & MIPS_HFLAG_FRE) {
1627 generate_exception(ctx, EXCP_RI);
1628 }
1629 tcg_gen_extrl_i64_i32(t, fpu_f64[reg]);
1630 }
1631
1632 static void gen_store_fpr32(DisasContext *ctx, TCGv_i32 t, int reg)
1633 {
1634 TCGv_i64 t64;
1635 if (ctx->hflags & MIPS_HFLAG_FRE) {
1636 generate_exception(ctx, EXCP_RI);
1637 }
1638 t64 = tcg_temp_new_i64();
1639 tcg_gen_extu_i32_i64(t64, t);
1640 tcg_gen_deposit_i64(fpu_f64[reg], fpu_f64[reg], t64, 0, 32);
1641 tcg_temp_free_i64(t64);
1642 }
1643
1644 static void gen_load_fpr32h(DisasContext *ctx, TCGv_i32 t, int reg)
1645 {
1646 if (ctx->hflags & MIPS_HFLAG_F64) {
1647 tcg_gen_extrh_i64_i32(t, fpu_f64[reg]);
1648 } else {
1649 gen_load_fpr32(ctx, t, reg | 1);
1650 }
1651 }
1652
1653 static void gen_store_fpr32h(DisasContext *ctx, TCGv_i32 t, int reg)
1654 {
1655 if (ctx->hflags & MIPS_HFLAG_F64) {
1656 TCGv_i64 t64 = tcg_temp_new_i64();
1657 tcg_gen_extu_i32_i64(t64, t);
1658 tcg_gen_deposit_i64(fpu_f64[reg], fpu_f64[reg], t64, 32, 32);
1659 tcg_temp_free_i64(t64);
1660 } else {
1661 gen_store_fpr32(ctx, t, reg | 1);
1662 }
1663 }
1664
1665 static void gen_load_fpr64(DisasContext *ctx, TCGv_i64 t, int reg)
1666 {
1667 if (ctx->hflags & MIPS_HFLAG_F64) {
1668 tcg_gen_mov_i64(t, fpu_f64[reg]);
1669 } else {
1670 tcg_gen_concat32_i64(t, fpu_f64[reg & ~1], fpu_f64[reg | 1]);
1671 }
1672 }
1673
1674 static void gen_store_fpr64(DisasContext *ctx, TCGv_i64 t, int reg)
1675 {
1676 if (ctx->hflags & MIPS_HFLAG_F64) {
1677 tcg_gen_mov_i64(fpu_f64[reg], t);
1678 } else {
1679 TCGv_i64 t0;
1680 tcg_gen_deposit_i64(fpu_f64[reg & ~1], fpu_f64[reg & ~1], t, 0, 32);
1681 t0 = tcg_temp_new_i64();
1682 tcg_gen_shri_i64(t0, t, 32);
1683 tcg_gen_deposit_i64(fpu_f64[reg | 1], fpu_f64[reg | 1], t0, 0, 32);
1684 tcg_temp_free_i64(t0);
1685 }
1686 }
1687
1688 static inline int get_fp_bit (int cc)
1689 {
1690 if (cc)
1691 return 24 + cc;
1692 else
1693 return 23;
1694 }
1695
1696 /* Addresses computation */
1697 static inline void gen_op_addr_add (DisasContext *ctx, TCGv ret, TCGv arg0, TCGv arg1)
1698 {
1699 tcg_gen_add_tl(ret, arg0, arg1);
1700
1701 #if defined(TARGET_MIPS64)
1702 if (ctx->hflags & MIPS_HFLAG_AWRAP) {
1703 tcg_gen_ext32s_i64(ret, ret);
1704 }
1705 #endif
1706 }
1707
1708 /* Addresses computation (translation time) */
1709 static target_long addr_add(DisasContext *ctx, target_long base,
1710 target_long offset)
1711 {
1712 target_long sum = base + offset;
1713
1714 #if defined(TARGET_MIPS64)
1715 if (ctx->hflags & MIPS_HFLAG_AWRAP) {
1716 sum = (int32_t)sum;
1717 }
1718 #endif
1719 return sum;
1720 }
1721
1722 /* Sign-extract the low 32-bits to a target_long. */
1723 static inline void gen_move_low32(TCGv ret, TCGv_i64 arg)
1724 {
1725 #if defined(TARGET_MIPS64)
1726 tcg_gen_ext32s_i64(ret, arg);
1727 #else
1728 tcg_gen_extrl_i64_i32(ret, arg);
1729 #endif
1730 }
1731
1732 /* Sign-extract the high 32-bits to a target_long. */
1733 static inline void gen_move_high32(TCGv ret, TCGv_i64 arg)
1734 {
1735 #if defined(TARGET_MIPS64)
1736 tcg_gen_sari_i64(ret, arg, 32);
1737 #else
1738 tcg_gen_extrh_i64_i32(ret, arg);
1739 #endif
1740 }
1741
1742 static inline void check_cp0_enabled(DisasContext *ctx)
1743 {
1744 if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0)))
1745 generate_exception_err(ctx, EXCP_CpU, 0);
1746 }
1747
1748 static inline void check_cp1_enabled(DisasContext *ctx)
1749 {
1750 if (unlikely(!(ctx->hflags & MIPS_HFLAG_FPU)))
1751 generate_exception_err(ctx, EXCP_CpU, 1);
1752 }
1753
1754 /* Verify that the processor is running with COP1X instructions enabled.
1755 This is associated with the nabla symbol in the MIPS32 and MIPS64
1756 opcode tables. */
1757
1758 static inline void check_cop1x(DisasContext *ctx)
1759 {
1760 if (unlikely(!(ctx->hflags & MIPS_HFLAG_COP1X)))
1761 generate_exception_end(ctx, EXCP_RI);
1762 }
1763
1764 /* Verify that the processor is running with 64-bit floating-point
1765 operations enabled. */
1766
1767 static inline void check_cp1_64bitmode(DisasContext *ctx)
1768 {
1769 if (unlikely(~ctx->hflags & (MIPS_HFLAG_F64 | MIPS_HFLAG_COP1X)))
1770 generate_exception_end(ctx, EXCP_RI);
1771 }
1772
1773 /*
1774 * Verify if floating point register is valid; an operation is not defined
1775 * if bit 0 of any register specification is set and the FR bit in the
1776 * Status register equals zero, since the register numbers specify an
1777 * even-odd pair of adjacent coprocessor general registers. When the FR bit
1778 * in the Status register equals one, both even and odd register numbers
1779 * are valid. This limitation exists only for 64 bit wide (d,l,ps) registers.
1780 *
1781 * Multiple 64 bit wide registers can be checked by calling
1782 * gen_op_cp1_registers(freg1 | freg2 | ... | fregN);
1783 */
1784 static inline void check_cp1_registers(DisasContext *ctx, int regs)
1785 {
1786 if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1)))
1787 generate_exception_end(ctx, EXCP_RI);
1788 }
1789
1790 /* Verify that the processor is running with DSP instructions enabled.
1791 This is enabled by CP0 Status register MX(24) bit.
1792 */
1793
1794 static inline void check_dsp(DisasContext *ctx)
1795 {
1796 if (unlikely(!(ctx->hflags & MIPS_HFLAG_DSP))) {
1797 if (ctx->insn_flags & ASE_DSP) {
1798 generate_exception_end(ctx, EXCP_DSPDIS);
1799 } else {
1800 generate_exception_end(ctx, EXCP_RI);
1801 }
1802 }
1803 }
1804
1805 static inline void check_dspr2(DisasContext *ctx)
1806 {
1807 if (unlikely(!(ctx->hflags & MIPS_HFLAG_DSPR2))) {
1808 if (ctx->insn_flags & ASE_DSP) {
1809 generate_exception_end(ctx, EXCP_DSPDIS);
1810 } else {
1811 generate_exception_end(ctx, EXCP_RI);
1812 }
1813 }
1814 }
1815
1816 /* This code generates a "reserved instruction" exception if the
1817 CPU does not support the instruction set corresponding to flags. */
1818 static inline void check_insn(DisasContext *ctx, int flags)
1819 {
1820 if (unlikely(!(ctx->insn_flags & flags))) {
1821 generate_exception_end(ctx, EXCP_RI);
1822 }
1823 }
1824
1825 /* This code generates a "reserved instruction" exception if the
1826 CPU has corresponding flag set which indicates that the instruction
1827 has been removed. */
1828 static inline void check_insn_opc_removed(DisasContext *ctx, int flags)
1829 {
1830 if (unlikely(ctx->insn_flags & flags)) {
1831 generate_exception_end(ctx, EXCP_RI);
1832 }
1833 }
1834
1835 /* This code generates a "reserved instruction" exception if the
1836 CPU does not support 64-bit paired-single (PS) floating point data type */
1837 static inline void check_ps(DisasContext *ctx)
1838 {
1839 if (unlikely(!ctx->ps)) {
1840 generate_exception(ctx, EXCP_RI);
1841 }
1842 check_cp1_64bitmode(ctx);
1843 }
1844
1845 #ifdef TARGET_MIPS64
1846 /* This code generates a "reserved instruction" exception if 64-bit
1847 instructions are not enabled. */
1848 static inline void check_mips_64(DisasContext *ctx)
1849 {
1850 if (unlikely(!(ctx->hflags & MIPS_HFLAG_64)))
1851 generate_exception_end(ctx, EXCP_RI);
1852 }
1853 #endif
1854
1855 #ifndef CONFIG_USER_ONLY
1856 static inline void check_mvh(DisasContext *ctx)
1857 {
1858 if (unlikely(!ctx->mvh)) {
1859 generate_exception(ctx, EXCP_RI);
1860 }
1861 }
1862 #endif
1863
1864 /* Define small wrappers for gen_load_fpr* so that we have a uniform
1865 calling interface for 32 and 64-bit FPRs. No sense in changing
1866 all callers for gen_load_fpr32 when we need the CTX parameter for
1867 this one use. */
1868 #define gen_ldcmp_fpr32(ctx, x, y) gen_load_fpr32(ctx, x, y)
1869 #define gen_ldcmp_fpr64(ctx, x, y) gen_load_fpr64(ctx, x, y)
1870 #define FOP_CONDS(type, abs, fmt, ifmt, bits) \
1871 static inline void gen_cmp ## type ## _ ## fmt(DisasContext *ctx, int n, \
1872 int ft, int fs, int cc) \
1873 { \
1874 TCGv_i##bits fp0 = tcg_temp_new_i##bits (); \
1875 TCGv_i##bits fp1 = tcg_temp_new_i##bits (); \
1876 switch (ifmt) { \
1877 case FMT_PS: \
1878 check_ps(ctx); \
1879 break; \
1880 case FMT_D: \
1881 if (abs) { \
1882 check_cop1x(ctx); \
1883 } \
1884 check_cp1_registers(ctx, fs | ft); \
1885 break; \
1886 case FMT_S: \
1887 if (abs) { \
1888 check_cop1x(ctx); \
1889 } \
1890 break; \
1891 } \
1892 gen_ldcmp_fpr##bits (ctx, fp0, fs); \
1893 gen_ldcmp_fpr##bits (ctx, fp1, ft); \
1894 switch (n) { \
1895 case 0: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _f, fp0, fp1, cc); break;\
1896 case 1: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _un, fp0, fp1, cc); break;\
1897 case 2: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _eq, fp0, fp1, cc); break;\
1898 case 3: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ueq, fp0, fp1, cc); break;\
1899 case 4: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _olt, fp0, fp1, cc); break;\
1900 case 5: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ult, fp0, fp1, cc); break;\
1901 case 6: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ole, fp0, fp1, cc); break;\
1902 case 7: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ule, fp0, fp1, cc); break;\
1903 case 8: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _sf, fp0, fp1, cc); break;\
1904 case 9: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ngle, fp0, fp1, cc); break;\
1905 case 10: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _seq, fp0, fp1, cc); break;\
1906 case 11: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ngl, fp0, fp1, cc); break;\
1907 case 12: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _lt, fp0, fp1, cc); break;\
1908 case 13: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _nge, fp0, fp1, cc); break;\
1909 case 14: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _le, fp0, fp1, cc); break;\
1910 case 15: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ngt, fp0, fp1, cc); break;\
1911 default: abort(); \
1912 } \
1913 tcg_temp_free_i##bits (fp0); \
1914 tcg_temp_free_i##bits (fp1); \
1915 }
1916
1917 FOP_CONDS(, 0, d, FMT_D, 64)
1918 FOP_CONDS(abs, 1, d, FMT_D, 64)
1919 FOP_CONDS(, 0, s, FMT_S, 32)
1920 FOP_CONDS(abs, 1, s, FMT_S, 32)
1921 FOP_CONDS(, 0, ps, FMT_PS, 64)
1922 FOP_CONDS(abs, 1, ps, FMT_PS, 64)
1923 #undef FOP_CONDS
1924
1925 #define FOP_CONDNS(fmt, ifmt, bits, STORE) \
1926 static inline void gen_r6_cmp_ ## fmt(DisasContext * ctx, int n, \
1927 int ft, int fs, int fd) \
1928 { \
1929 TCGv_i ## bits fp0 = tcg_temp_new_i ## bits(); \
1930 TCGv_i ## bits fp1 = tcg_temp_new_i ## bits(); \
1931 if (ifmt == FMT_D) { \
1932 check_cp1_registers(ctx, fs | ft | fd); \
1933 } \
1934 gen_ldcmp_fpr ## bits(ctx, fp0, fs); \
1935 gen_ldcmp_fpr ## bits(ctx, fp1, ft); \
1936 switch (n) { \
1937 case 0: \
1938 gen_helper_r6_cmp_ ## fmt ## _af(fp0, cpu_env, fp0, fp1); \
1939 break; \
1940 case 1: \
1941 gen_helper_r6_cmp_ ## fmt ## _un(fp0, cpu_env, fp0, fp1); \
1942 break; \
1943 case 2: \
1944 gen_helper_r6_cmp_ ## fmt ## _eq(fp0, cpu_env, fp0, fp1); \
1945 break; \
1946 case 3: \
1947 gen_helper_r6_cmp_ ## fmt ## _ueq(fp0, cpu_env, fp0, fp1); \
1948 break; \
1949 case 4: \
1950 gen_helper_r6_cmp_ ## fmt ## _lt(fp0, cpu_env, fp0, fp1); \
1951 break; \
1952 case 5: \
1953 gen_helper_r6_cmp_ ## fmt ## _ult(fp0, cpu_env, fp0, fp1); \
1954 break; \
1955 case 6: \
1956 gen_helper_r6_cmp_ ## fmt ## _le(fp0, cpu_env, fp0, fp1); \
1957 break; \
1958 case 7: \
1959 gen_helper_r6_cmp_ ## fmt ## _ule(fp0, cpu_env, fp0, fp1); \
1960 break; \
1961 case 8: \
1962 gen_helper_r6_cmp_ ## fmt ## _saf(fp0, cpu_env, fp0, fp1); \
1963 break; \
1964 case 9: \
1965 gen_helper_r6_cmp_ ## fmt ## _sun(fp0, cpu_env, fp0, fp1); \
1966 break; \
1967 case 10: \
1968 gen_helper_r6_cmp_ ## fmt ## _seq(fp0, cpu_env, fp0, fp1); \
1969 break; \
1970 case 11: \
1971 gen_helper_r6_cmp_ ## fmt ## _sueq(fp0, cpu_env, fp0, fp1); \
1972 break; \
1973 case 12: \
1974 gen_helper_r6_cmp_ ## fmt ## _slt(fp0, cpu_env, fp0, fp1); \
1975 break; \
1976 case 13: \
1977 gen_helper_r6_cmp_ ## fmt ## _sult(fp0, cpu_env, fp0, fp1); \
1978 break; \
1979 case 14: \
1980 gen_helper_r6_cmp_ ## fmt ## _sle(fp0, cpu_env, fp0, fp1); \
1981 break; \
1982 case 15: \
1983 gen_helper_r6_cmp_ ## fmt ## _sule(fp0, cpu_env, fp0, fp1); \
1984 break; \
1985 case 17: \
1986 gen_helper_r6_cmp_ ## fmt ## _or(fp0, cpu_env, fp0, fp1); \
1987 break; \
1988 case 18: \
1989 gen_helper_r6_cmp_ ## fmt ## _une(fp0, cpu_env, fp0, fp1); \
1990 break; \
1991 case 19: \
1992 gen_helper_r6_cmp_ ## fmt ## _ne(fp0, cpu_env, fp0, fp1); \
1993 break; \
1994 case 25: \
1995 gen_helper_r6_cmp_ ## fmt ## _sor(fp0, cpu_env, fp0, fp1); \
1996 break; \
1997 case 26: \
1998 gen_helper_r6_cmp_ ## fmt ## _sune(fp0, cpu_env, fp0, fp1); \
1999 break; \
2000 case 27: \
2001 gen_helper_r6_cmp_ ## fmt ## _sne(fp0, cpu_env, fp0, fp1); \
2002 break; \
2003 default: \
2004 abort(); \
2005 } \
2006 STORE; \
2007 tcg_temp_free_i ## bits (fp0); \
2008 tcg_temp_free_i ## bits (fp1); \
2009 }
2010
2011 FOP_CONDNS(d, FMT_D, 64, gen_store_fpr64(ctx, fp0, fd))
2012 FOP_CONDNS(s, FMT_S, 32, gen_store_fpr32(ctx, fp0, fd))
2013 #undef FOP_CONDNS
2014 #undef gen_ldcmp_fpr32
2015 #undef gen_ldcmp_fpr64
2016
2017 /* load/store instructions. */
2018 #ifdef CONFIG_USER_ONLY
2019 #define OP_LD_ATOMIC(insn,fname) \
2020 static inline void op_ld_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \
2021 { \
2022 TCGv t0 = tcg_temp_new(); \
2023 tcg_gen_mov_tl(t0, arg1); \
2024 tcg_gen_qemu_##fname(ret, arg1, ctx->mem_idx); \
2025 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUMIPSState, lladdr)); \
2026 tcg_gen_st_tl(ret, cpu_env, offsetof(CPUMIPSState, llval)); \
2027 tcg_temp_free(t0); \
2028 }
2029 #else
2030 #define OP_LD_ATOMIC(insn,fname) \
2031 static inline void op_ld_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \
2032 { \
2033 gen_helper_1e1i(insn, ret, arg1, ctx->mem_idx); \
2034 }
2035 #endif
2036 OP_LD_ATOMIC(ll,ld32s);
2037 #if defined(TARGET_MIPS64)
2038 OP_LD_ATOMIC(lld,ld64);
2039 #endif
2040 #undef OP_LD_ATOMIC
2041
2042 #ifdef CONFIG_USER_ONLY
2043 #define OP_ST_ATOMIC(insn,fname,ldname,almask) \
2044 static inline void op_st_##insn(TCGv arg1, TCGv arg2, int rt, DisasContext *ctx) \
2045 { \
2046 TCGv t0 = tcg_temp_new(); \
2047 TCGLabel *l1 = gen_new_label(); \
2048 TCGLabel *l2 = gen_new_label(); \
2049 \
2050 tcg_gen_andi_tl(t0, arg2, almask); \
2051 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); \
2052 tcg_gen_st_tl(arg2, cpu_env, offsetof(CPUMIPSState, CP0_BadVAddr)); \
2053 generate_exception(ctx, EXCP_AdES); \
2054 gen_set_label(l1); \
2055 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUMIPSState, lladdr)); \
2056 tcg_gen_brcond_tl(TCG_COND_NE, arg2, t0, l2); \
2057 tcg_gen_movi_tl(t0, rt | ((almask << 3) & 0x20)); \
2058 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUMIPSState, llreg)); \
2059 tcg_gen_st_tl(arg1, cpu_env, offsetof(CPUMIPSState, llnewval)); \
2060 generate_exception_end(ctx, EXCP_SC); \
2061 gen_set_label(l2); \
2062 tcg_gen_movi_tl(t0, 0); \
2063 gen_store_gpr(t0, rt); \
2064 tcg_temp_free(t0); \
2065 }
2066 #else
2067 #define OP_ST_ATOMIC(insn,fname,ldname,almask) \
2068 static inline void op_st_##insn(TCGv arg1, TCGv arg2, int rt, DisasContext *ctx) \
2069 { \
2070 TCGv t0 = tcg_temp_new(); \
2071 gen_helper_1e2i(insn, t0, arg1, arg2, ctx->mem_idx); \
2072 gen_store_gpr(t0, rt); \
2073 tcg_temp_free(t0); \
2074 }
2075 #endif
2076 OP_ST_ATOMIC(sc,st32,ld32s,0x3);
2077 #if defined(TARGET_MIPS64)
2078 OP_ST_ATOMIC(scd,st64,ld64,0x7);
2079 #endif
2080 #undef OP_ST_ATOMIC
2081
2082 static void gen_base_offset_addr (DisasContext *ctx, TCGv addr,
2083 int base, int16_t offset)
2084 {
2085 if (base == 0) {
2086 tcg_gen_movi_tl(addr, offset);
2087 } else if (offset == 0) {
2088 gen_load_gpr(addr, base);
2089 } else {
2090 tcg_gen_movi_tl(addr, offset);
2091 gen_op_addr_add(ctx, addr, cpu_gpr[base], addr);
2092 }
2093 }
2094
2095 static target_ulong pc_relative_pc (DisasContext *ctx)
2096 {
2097 target_ulong pc = ctx->pc;
2098
2099 if (ctx->hflags & MIPS_HFLAG_BMASK) {
2100 int branch_bytes = ctx->hflags & MIPS_HFLAG_BDS16 ? 2 : 4;
2101
2102 pc -= branch_bytes;
2103 }
2104
2105 pc &= ~(target_ulong)3;
2106 return pc;
2107 }
2108
2109 /* Load */
2110 static void gen_ld(DisasContext *ctx, uint32_t opc,
2111 int rt, int base, int16_t offset)
2112 {
2113 TCGv t0, t1, t2;
2114
2115 if (rt == 0 && ctx->insn_flags & (INSN_LOONGSON2E | INSN_LOONGSON2F)) {
2116 /* Loongson CPU uses a load to zero register for prefetch.
2117 We emulate it as a NOP. On other CPU we must perform the
2118 actual memory access. */
2119 return;
2120 }
2121
2122 t0 = tcg_temp_new();
2123 gen_base_offset_addr(ctx, t0, base, offset);
2124
2125 switch (opc) {
2126 #if defined(TARGET_MIPS64)
2127 case OPC_LWU:
2128 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUL |
2129 ctx->default_tcg_memop_mask);
2130 gen_store_gpr(t0, rt);
2131 break;
2132 case OPC_LD:
2133 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ |
2134 ctx->default_tcg_memop_mask);
2135 gen_store_gpr(t0, rt);
2136 break;
2137 case OPC_LLD:
2138 case R6_OPC_LLD:
2139 op_ld_lld(t0, t0, ctx);
2140 gen_store_gpr(t0, rt);
2141 break;
2142 case OPC_LDL:
2143 t1 = tcg_temp_new();
2144 /* Do a byte access to possibly trigger a page
2145 fault with the unaligned address. */
2146 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB);
2147 tcg_gen_andi_tl(t1, t0, 7);
2148 #ifndef TARGET_WORDS_BIGENDIAN
2149 tcg_gen_xori_tl(t1, t1, 7);
2150 #endif
2151 tcg_gen_shli_tl(t1, t1, 3);
2152 tcg_gen_andi_tl(t0, t0, ~7);
2153 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ);
2154 tcg_gen_shl_tl(t0, t0, t1);
2155 t2 = tcg_const_tl(-1);
2156 tcg_gen_shl_tl(t2, t2, t1);
2157 gen_load_gpr(t1, rt);
2158 tcg_gen_andc_tl(t1, t1, t2);
2159 tcg_temp_free(t2);
2160 tcg_gen_or_tl(t0, t0, t1);
2161 tcg_temp_free(t1);
2162 gen_store_gpr(t0, rt);
2163 break;
2164 case OPC_LDR:
2165 t1 = tcg_temp_new();
2166 /* Do a byte access to possibly trigger a page
2167 fault with the unaligned address. */
2168 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB);
2169 tcg_gen_andi_tl(t1, t0, 7);
2170 #ifdef TARGET_WORDS_BIGENDIAN
2171 tcg_gen_xori_tl(t1, t1, 7);
2172 #endif
2173 tcg_gen_shli_tl(t1, t1, 3);
2174 tcg_gen_andi_tl(t0, t0, ~7);
2175 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ);
2176 tcg_gen_shr_tl(t0, t0, t1);
2177 tcg_gen_xori_tl(t1, t1, 63);
2178 t2 = tcg_const_tl(0xfffffffffffffffeull);
2179 tcg_gen_shl_tl(t2, t2, t1);
2180 gen_load_gpr(t1, rt);
2181 tcg_gen_and_tl(t1, t1, t2);
2182 tcg_temp_free(t2);
2183 tcg_gen_or_tl(t0, t0, t1);
2184 tcg_temp_free(t1);
2185 gen_store_gpr(t0, rt);
2186 break;
2187 case OPC_LDPC:
2188 t1 = tcg_const_tl(pc_relative_pc(ctx));
2189 gen_op_addr_add(ctx, t0, t0, t1);
2190 tcg_temp_free(t1);
2191 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ);
2192 gen_store_gpr(t0, rt);
2193 break;
2194 #endif
2195 case OPC_LWPC:
2196 t1 = tcg_const_tl(pc_relative_pc(ctx));
2197 gen_op_addr_add(ctx, t0, t0, t1);
2198 tcg_temp_free(t1);
2199 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESL);
2200 gen_store_gpr(t0, rt);
2201 break;
2202 case OPC_LW:
2203 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESL |
2204 ctx->default_tcg_memop_mask);
2205 gen_store_gpr(t0, rt);
2206 break;
2207 case OPC_LH:
2208 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESW |
2209 ctx->default_tcg_memop_mask);
2210 gen_store_gpr(t0, rt);
2211 break;
2212 case OPC_LHU:
2213 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUW |
2214 ctx->default_tcg_memop_mask);
2215 gen_store_gpr(t0, rt);
2216 break;
2217 case OPC_LB:
2218 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_SB);
2219 gen_store_gpr(t0, rt);
2220 break;
2221 case OPC_LBU:
2222 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_UB);
2223 gen_store_gpr(t0, rt);
2224 break;
2225 case OPC_LWL:
2226 t1 = tcg_temp_new();
2227 /* Do a byte access to possibly trigger a page
2228 fault with the unaligned address. */
2229 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB);
2230 tcg_gen_andi_tl(t1, t0, 3);
2231 #ifndef TARGET_WORDS_BIGENDIAN
2232 tcg_gen_xori_tl(t1, t1, 3);
2233 #endif
2234 tcg_gen_shli_tl(t1, t1, 3);
2235 tcg_gen_andi_tl(t0, t0, ~3);
2236 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUL);
2237 tcg_gen_shl_tl(t0, t0, t1);
2238 t2 = tcg_const_tl(-1);
2239 tcg_gen_shl_tl(t2, t2, t1);
2240 gen_load_gpr(t1, rt);
2241 tcg_gen_andc_tl(t1, t1, t2);
2242 tcg_temp_free(t2);
2243 tcg_gen_or_tl(t0, t0, t1);
2244 tcg_temp_free(t1);
2245 tcg_gen_ext32s_tl(t0, t0);
2246 gen_store_gpr(t0, rt);
2247 break;
2248 case OPC_LWR:
2249 t1 = tcg_temp_new();
2250 /* Do a byte access to possibly trigger a page
2251 fault with the unaligned address. */
2252 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB);
2253 tcg_gen_andi_tl(t1, t0, 3);
2254 #ifdef TARGET_WORDS_BIGENDIAN
2255 tcg_gen_xori_tl(t1, t1, 3);
2256 #endif
2257 tcg_gen_shli_tl(t1, t1, 3);
2258 tcg_gen_andi_tl(t0, t0, ~3);
2259 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUL);
2260 tcg_gen_shr_tl(t0, t0, t1);
2261 tcg_gen_xori_tl(t1, t1, 31);
2262 t2 = tcg_const_tl(0xfffffffeull);
2263 tcg_gen_shl_tl(t2, t2, t1);
2264 gen_load_gpr(t1, rt);
2265 tcg_gen_and_tl(t1, t1, t2);
2266 tcg_temp_free(t2);
2267 tcg_gen_or_tl(t0, t0, t1);
2268 tcg_temp_free(t1);
2269 tcg_gen_ext32s_tl(t0, t0);
2270 gen_store_gpr(t0, rt);
2271 break;
2272 case OPC_LL:
2273 case R6_OPC_LL:
2274 op_ld_ll(t0, t0, ctx);
2275 gen_store_gpr(t0, rt);
2276 break;
2277 }
2278 tcg_temp_free(t0);
2279 }
2280
2281 /* Store */
2282 static void gen_st (DisasContext *ctx, uint32_t opc, int rt,
2283 int base, int16_t offset)
2284 {
2285 TCGv t0 = tcg_temp_new();
2286 TCGv t1 = tcg_temp_new();
2287
2288 gen_base_offset_addr(ctx, t0, base, offset);
2289 gen_load_gpr(t1, rt);
2290 switch (opc) {
2291 #if defined(TARGET_MIPS64)
2292 case OPC_SD:
2293 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEQ |
2294 ctx->default_tcg_memop_mask);
2295 break;
2296 case OPC_SDL:
2297 gen_helper_0e2i(sdl, t1, t0, ctx->mem_idx);
2298 break;
2299 case OPC_SDR:
2300 gen_helper_0e2i(sdr, t1, t0, ctx->mem_idx);
2301 break;
2302 #endif
2303 case OPC_SW:
2304 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUL |
2305 ctx->default_tcg_memop_mask);
2306 break;
2307 case OPC_SH:
2308 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUW |
2309 ctx->default_tcg_memop_mask);
2310 break;
2311 case OPC_SB:
2312 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_8);
2313 break;
2314 case OPC_SWL:
2315 gen_helper_0e2i(swl, t1, t0, ctx->mem_idx);
2316 break;
2317 case OPC_SWR:
2318 gen_helper_0e2i(swr, t1, t0, ctx->mem_idx);
2319 break;
2320 }
2321 tcg_temp_free(t0);
2322 tcg_temp_free(t1);
2323 }
2324
2325
2326 /* Store conditional */
2327 static void gen_st_cond (DisasContext *ctx, uint32_t opc, int rt,
2328 int base, int16_t offset)
2329 {
2330 TCGv t0, t1;
2331
2332 #ifdef CONFIG_USER_ONLY
2333 t0 = tcg_temp_local_new();
2334 t1 = tcg_temp_local_new();
2335 #else
2336 t0 = tcg_temp_new();
2337 t1 = tcg_temp_new();
2338 #endif
2339 gen_base_offset_addr(ctx, t0, base, offset);
2340 gen_load_gpr(t1, rt);
2341 switch (opc) {
2342 #if defined(TARGET_MIPS64)
2343 case OPC_SCD:
2344 case R6_OPC_SCD:
2345 op_st_scd(t1, t0, rt, ctx);
2346 break;
2347 #endif
2348 case OPC_SC:
2349 case R6_OPC_SC:
2350 op_st_sc(t1, t0, rt, ctx);
2351 break;
2352 }
2353 tcg_temp_free(t1);
2354 tcg_temp_free(t0);
2355 }
2356
2357 /* Load and store */
2358 static void gen_flt_ldst (DisasContext *ctx, uint32_t opc, int ft,
2359 int base, int16_t offset)
2360 {
2361 TCGv t0 = tcg_temp_new();
2362
2363 gen_base_offset_addr(ctx, t0, base, offset);
2364 /* Don't do NOP if destination is zero: we must perform the actual
2365 memory access. */
2366 switch (opc) {
2367 case OPC_LWC1:
2368 {
2369 TCGv_i32 fp0 = tcg_temp_new_i32();
2370 tcg_gen_qemu_ld_i32(fp0, t0, ctx->mem_idx, MO_TESL |
2371 ctx->default_tcg_memop_mask);
2372 gen_store_fpr32(ctx, fp0, ft);
2373 tcg_temp_free_i32(fp0);
2374 }
2375 break;
2376 case OPC_SWC1:
2377 {
2378 TCGv_i32 fp0 = tcg_temp_new_i32();
2379 gen_load_fpr32(ctx, fp0, ft);
2380 tcg_gen_qemu_st_i32(fp0, t0, ctx->mem_idx, MO_TEUL |
2381 ctx->default_tcg_memop_mask);
2382 tcg_temp_free_i32(fp0);
2383 }
2384 break;
2385 case OPC_LDC1:
2386 {
2387 TCGv_i64 fp0 = tcg_temp_new_i64();
2388 tcg_gen_qemu_ld_i64(fp0, t0, ctx->mem_idx, MO_TEQ |
2389 ctx->default_tcg_memop_mask);
2390 gen_store_fpr64(ctx, fp0, ft);
2391 tcg_temp_free_i64(fp0);
2392 }
2393 break;
2394 case OPC_SDC1:
2395 {
2396 TCGv_i64 fp0 = tcg_temp_new_i64();
2397 gen_load_fpr64(ctx, fp0, ft);
2398 tcg_gen_qemu_st_i64(fp0, t0, ctx->mem_idx, MO_TEQ |
2399 ctx->default_tcg_memop_mask);
2400 tcg_temp_free_i64(fp0);
2401 }
2402 break;
2403 default:
2404 MIPS_INVAL("flt_ldst");
2405 generate_exception_end(ctx, EXCP_RI);
2406 goto out;
2407 }
2408 out:
2409 tcg_temp_free(t0);
2410 }
2411
2412 static void gen_cop1_ldst(DisasContext *ctx, uint32_t op, int rt,
2413 int rs, int16_t imm)
2414 {
2415 if (ctx->CP0_Config1 & (1 << CP0C1_FP)) {
2416 check_cp1_enabled(ctx);
2417 switch (op) {
2418 case OPC_LDC1:
2419 case OPC_SDC1:
2420 check_insn(ctx, ISA_MIPS2);
2421 /* Fallthrough */
2422 default:
2423 gen_flt_ldst(ctx, op, rt, rs, imm);
2424 }
2425 } else {
2426 generate_exception_err(ctx, EXCP_CpU, 1);
2427 }
2428 }
2429
2430 /* Arithmetic with immediate operand */
2431 static void gen_arith_imm(DisasContext *ctx, uint32_t opc,
2432 int rt, int rs, int16_t imm)
2433 {
2434 target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */
2435
2436 if (rt == 0 && opc != OPC_ADDI && opc != OPC_DADDI) {
2437 /* If no destination, treat it as a NOP.
2438 For addi, we must generate the overflow exception when needed. */
2439 return;
2440 }
2441 switch (opc) {
2442 case OPC_ADDI:
2443 {
2444 TCGv t0 = tcg_temp_local_new();
2445 TCGv t1 = tcg_temp_new();
2446 TCGv t2 = tcg_temp_new();
2447 TCGLabel *l1 = gen_new_label();
2448
2449 gen_load_gpr(t1, rs);
2450 tcg_gen_addi_tl(t0, t1, uimm);
2451 tcg_gen_ext32s_tl(t0, t0);
2452
2453 tcg_gen_xori_tl(t1, t1, ~uimm);
2454 tcg_gen_xori_tl(t2, t0, uimm);
2455 tcg_gen_and_tl(t1, t1, t2);
2456 tcg_temp_free(t2);
2457 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
2458 tcg_temp_free(t1);
2459 /* operands of same sign, result different sign */
2460 generate_exception(ctx, EXCP_OVERFLOW);
2461 gen_set_label(l1);
2462 tcg_gen_ext32s_tl(t0, t0);
2463 gen_store_gpr(t0, rt);
2464 tcg_temp_free(t0);
2465 }
2466 break;
2467 case OPC_ADDIU:
2468 if (rs != 0) {
2469 tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
2470 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]);
2471 } else {
2472 tcg_gen_movi_tl(cpu_gpr[rt], uimm);
2473 }
2474 break;
2475 #if defined(TARGET_MIPS64)
2476 case OPC_DADDI:
2477 {
2478 TCGv t0 = tcg_temp_local_new();
2479 TCGv t1 = tcg_temp_new();
2480 TCGv t2 = tcg_temp_new();
2481 TCGLabel *l1 = gen_new_label();
2482
2483 gen_load_gpr(t1, rs);
2484 tcg_gen_addi_tl(t0, t1, uimm);
2485
2486 tcg_gen_xori_tl(t1, t1, ~uimm);
2487 tcg_gen_xori_tl(t2, t0, uimm);
2488 tcg_gen_and_tl(t1, t1, t2);
2489 tcg_temp_free(t2);
2490 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
2491 tcg_temp_free(t1);
2492 /* operands of same sign, result different sign */
2493 generate_exception(ctx, EXCP_OVERFLOW);
2494 gen_set_label(l1);
2495 gen_store_gpr(t0, rt);
2496 tcg_temp_free(t0);
2497 }
2498 break;
2499 case OPC_DADDIU:
2500 if (rs != 0) {
2501 tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
2502 } else {
2503 tcg_gen_movi_tl(cpu_gpr[rt], uimm);
2504 }
2505 break;
2506 #endif
2507 }
2508 }
2509
2510 /* Logic with immediate operand */
2511 static void gen_logic_imm(DisasContext *ctx, uint32_t opc,
2512 int rt, int rs, int16_t imm)
2513 {
2514 target_ulong uimm;
2515
2516 if (rt == 0) {
2517 /* If no destination, treat it as a NOP. */
2518 return;
2519 }
2520 uimm = (uint16_t)imm;
2521 switch (opc) {
2522 case OPC_ANDI:
2523 if (likely(rs != 0))
2524 tcg_gen_andi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
2525 else
2526 tcg_gen_movi_tl(cpu_gpr[rt], 0);
2527 break;
2528 case OPC_ORI:
2529 if (rs != 0)
2530 tcg_gen_ori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
2531 else
2532 tcg_gen_movi_tl(cpu_gpr[rt], uimm);
2533 break;
2534 case OPC_XORI:
2535 if (likely(rs != 0))
2536 tcg_gen_xori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
2537 else
2538 tcg_gen_movi_tl(cpu_gpr[rt], uimm);
2539 break;
2540 case OPC_LUI:
2541 if (rs != 0 && (ctx->insn_flags & ISA_MIPS32R6)) {
2542 /* OPC_AUI */
2543 tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], imm << 16);
2544 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]);
2545 } else {
2546 tcg_gen_movi_tl(cpu_gpr[rt], imm << 16);
2547 }
2548 break;
2549
2550 default:
2551 break;
2552 }
2553 }
2554
2555 /* Set on less than with immediate operand */
2556 static void gen_slt_imm(DisasContext *ctx, uint32_t opc,
2557 int rt, int rs, int16_t imm)
2558 {
2559 target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */
2560 TCGv t0;
2561
2562 if (rt == 0) {
2563 /* If no destination, treat it as a NOP. */
2564 return;
2565 }
2566 t0 = tcg_temp_new();
2567 gen_load_gpr(t0, rs);
2568 switch (opc) {
2569 case OPC_SLTI:
2570 tcg_gen_setcondi_tl(TCG_COND_LT, cpu_gpr[rt], t0, uimm);
2571 break;
2572 case OPC_SLTIU:
2573 tcg_gen_setcondi_tl(TCG_COND_LTU, cpu_gpr[rt], t0, uimm);
2574 break;
2575 }
2576 tcg_temp_free(t0);
2577 }
2578
2579 /* Shifts with immediate operand */
2580 static void gen_shift_imm(DisasContext *ctx, uint32_t opc,
2581 int rt, int rs, int16_t imm)
2582 {
2583 target_ulong uimm = ((uint16_t)imm) & 0x1f;
2584 TCGv t0;
2585
2586 if (rt == 0) {
2587 /* If no destination, treat it as a NOP. */
2588 return;
2589 }
2590
2591 t0 = tcg_temp_new();
2592 gen_load_gpr(t0, rs);
2593 switch (opc) {
2594 case OPC_SLL:
2595 tcg_gen_shli_tl(t0, t0, uimm);
2596 tcg_gen_ext32s_tl(cpu_gpr[rt], t0);
2597 break;
2598 case OPC_SRA:
2599 tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm);
2600 break;
2601 case OPC_SRL:
2602 if (uimm != 0) {
2603 tcg_gen_ext32u_tl(t0, t0);
2604 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm);
2605 } else {
2606 tcg_gen_ext32s_tl(cpu_gpr[rt], t0);
2607 }
2608 break;
2609 case OPC_ROTR:
2610 if (uimm != 0) {
2611 TCGv_i32 t1 = tcg_temp_new_i32();
2612
2613 tcg_gen_trunc_tl_i32(t1, t0);
2614 tcg_gen_rotri_i32(t1, t1, uimm);
2615 tcg_gen_ext_i32_tl(cpu_gpr[rt], t1);
2616 tcg_temp_free_i32(t1);
2617 } else {
2618 tcg_gen_ext32s_tl(cpu_gpr[rt], t0);
2619 }
2620 break;
2621 #if defined(TARGET_MIPS64)
2622 case OPC_DSLL:
2623 tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm);
2624 break;
2625 case OPC_DSRA:
2626 tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm);
2627 break;
2628 case OPC_DSRL:
2629 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm);
2630 break;
2631 case OPC_DROTR:
2632 if (uimm != 0) {
2633 tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm);
2634 } else {
2635 tcg_gen_mov_tl(cpu_gpr[rt], t0);
2636 }
2637 break;
2638 case OPC_DSLL32:
2639 tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm + 32);
2640 break;
2641 case OPC_DSRA32:
2642 tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm + 32);
2643 break;
2644 case OPC_DSRL32:
2645 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm + 32);
2646 break;
2647 case OPC_DROTR32:
2648 tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm + 32);
2649 break;
2650 #endif
2651 }
2652 tcg_temp_free(t0);
2653 }
2654
2655 /* Arithmetic */
2656 static void gen_arith(DisasContext *ctx, uint32_t opc,
2657 int rd, int rs, int rt)
2658 {
2659 if (rd == 0 && opc != OPC_ADD && opc != OPC_SUB
2660 && opc != OPC_DADD && opc != OPC_DSUB) {
2661 /* If no destination, treat it as a NOP.
2662 For add & sub, we must generate the overflow exception when needed. */
2663 return;
2664 }
2665
2666 switch (opc) {
2667 case OPC_ADD:
2668 {
2669 TCGv t0 = tcg_temp_local_new();
2670 TCGv t1 = tcg_temp_new();
2671 TCGv t2 = tcg_temp_new();
2672 TCGLabel *l1 = gen_new_label();
2673
2674 gen_load_gpr(t1, rs);
2675 gen_load_gpr(t2, rt);
2676 tcg_gen_add_tl(t0, t1, t2);
2677 tcg_gen_ext32s_tl(t0, t0);
2678 tcg_gen_xor_tl(t1, t1, t2);
2679 tcg_gen_xor_tl(t2, t0, t2);
2680 tcg_gen_andc_tl(t1, t2, t1);
2681 tcg_temp_free(t2);
2682 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
2683 tcg_temp_free(t1);
2684 /* operands of same sign, result different sign */
2685 generate_exception(ctx, EXCP_OVERFLOW);
2686 gen_set_label(l1);
2687 gen_store_gpr(t0, rd);
2688 tcg_temp_free(t0);
2689 }
2690 break;
2691 case OPC_ADDU:
2692 if (rs != 0 && rt != 0) {
2693 tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
2694 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
2695 } else if (rs == 0 && rt != 0) {
2696 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
2697 } else if (rs != 0 && rt == 0) {
2698 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
2699 } else {
2700 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2701 }
2702 break;
2703 case OPC_SUB:
2704 {
2705 TCGv t0 = tcg_temp_local_new();
2706 TCGv t1 = tcg_temp_new();
2707 TCGv t2 = tcg_temp_new();
2708 TCGLabel *l1 = gen_new_label();
2709
2710 gen_load_gpr(t1, rs);
2711 gen_load_gpr(t2, rt);
2712 tcg_gen_sub_tl(t0, t1, t2);
2713 tcg_gen_ext32s_tl(t0, t0);
2714 tcg_gen_xor_tl(t2, t1, t2);
2715 tcg_gen_xor_tl(t1, t0, t1);
2716 tcg_gen_and_tl(t1, t1, t2);
2717 tcg_temp_free(t2);
2718 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
2719 tcg_temp_free(t1);
2720 /* operands of different sign, first operand and result different sign */
2721 generate_exception(ctx, EXCP_OVERFLOW);
2722 gen_set_label(l1);
2723 gen_store_gpr(t0, rd);
2724 tcg_temp_free(t0);
2725 }
2726 break;
2727 case OPC_SUBU:
2728 if (rs != 0 && rt != 0) {
2729 tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
2730 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
2731 } else if (rs == 0 && rt != 0) {
2732 tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]);
2733 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
2734 } else if (rs != 0 && rt == 0) {
2735 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
2736 } else {
2737 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2738 }
2739 break;
2740 #if defined(TARGET_MIPS64)
2741 case OPC_DADD:
2742 {
2743 TCGv t0 = tcg_temp_local_new();
2744 TCGv t1 = tcg_temp_new();
2745 TCGv t2 = tcg_temp_new();
2746 TCGLabel *l1 = gen_new_label();
2747
2748 gen_load_gpr(t1, rs);
2749 gen_load_gpr(t2, rt);
2750 tcg_gen_add_tl(t0, t1, t2);
2751 tcg_gen_xor_tl(t1, t1, t2);
2752 tcg_gen_xor_tl(t2, t0, t2);
2753 tcg_gen_andc_tl(t1, t2, t1);
2754 tcg_temp_free(t2);
2755 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
2756 tcg_temp_free(t1);
2757 /* operands of same sign, result different sign */
2758 generate_exception(ctx, EXCP_OVERFLOW);
2759 gen_set_label(l1);
2760 gen_store_gpr(t0, rd);
2761 tcg_temp_free(t0);
2762 }
2763 break;
2764 case OPC_DADDU:
2765 if (rs != 0 && rt != 0) {
2766 tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
2767 } else if (rs == 0 && rt != 0) {
2768 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
2769 } else if (rs != 0 && rt == 0) {
2770 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
2771 } else {
2772 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2773 }
2774 break;
2775 case OPC_DSUB:
2776 {
2777 TCGv t0 = tcg_temp_local_new();
2778 TCGv t1 = tcg_temp_new();
2779 TCGv t2 = tcg_temp_new();
2780 TCGLabel *l1 = gen_new_label();
2781
2782 gen_load_gpr(t1, rs);
2783 gen_load_gpr(t2, rt);
2784 tcg_gen_sub_tl(t0, t1, t2);
2785 tcg_gen_xor_tl(t2, t1, t2);
2786 tcg_gen_xor_tl(t1, t0, t1);
2787 tcg_gen_and_tl(t1, t1, t2);
2788 tcg_temp_free(t2);
2789 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
2790 tcg_temp_free(t1);
2791 /* operands of different sign, first operand and result different sign */
2792 generate_exception(ctx, EXCP_OVERFLOW);
2793 gen_set_label(l1);
2794 gen_store_gpr(t0, rd);
2795 tcg_temp_free(t0);
2796 }
2797 break;
2798 case OPC_DSUBU:
2799 if (rs != 0 && rt != 0) {
2800 tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
2801 } else if (rs == 0 && rt != 0) {
2802 tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]);
2803 } else if (rs != 0 && rt == 0) {
2804 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
2805 } else {
2806 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2807 }
2808 break;
2809 #endif
2810 case OPC_MUL:
2811 if (likely(rs != 0 && rt != 0)) {
2812 tcg_gen_mul_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
2813 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
2814 } else {
2815 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2816 }
2817 break;
2818 }
2819 }
2820
2821 /* Conditional move */
2822 static void gen_cond_move(DisasContext *ctx, uint32_t opc,
2823 int rd, int rs, int rt)
2824 {
2825 TCGv t0, t1, t2;
2826
2827 if (rd == 0) {
2828 /* If no destination, treat it as a NOP. */
2829 return;
2830 }
2831
2832 t0 = tcg_temp_new();
2833 gen_load_gpr(t0, rt);
2834 t1 = tcg_const_tl(0);
2835 t2 = tcg_temp_new();
2836 gen_load_gpr(t2, rs);
2837 switch (opc) {
2838 case OPC_MOVN:
2839 tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rd], t0, t1, t2, cpu_gpr[rd]);
2840 break;
2841 case OPC_MOVZ:
2842 tcg_gen_movcond_tl(TCG_COND_EQ, cpu_gpr[rd], t0, t1, t2, cpu_gpr[rd]);
2843 break;
2844 case OPC_SELNEZ:
2845 tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rd], t0, t1, t2, t1);
2846 break;
2847 case OPC_SELEQZ:
2848 tcg_gen_movcond_tl(TCG_COND_EQ, cpu_gpr[rd], t0, t1, t2, t1);
2849 break;
2850 }
2851 tcg_temp_free(t2);
2852 tcg_temp_free(t1);
2853 tcg_temp_free(t0);
2854 }
2855
2856 /* Logic */
2857 static void gen_logic(DisasContext *ctx, uint32_t opc,
2858 int rd, int rs, int rt)
2859 {
2860 if (rd == 0) {
2861 /* If no destination, treat it as a NOP. */
2862 return;
2863 }
2864
2865 switch (opc) {
2866 case OPC_AND:
2867 if (likely(rs != 0 && rt != 0)) {
2868 tcg_gen_and_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
2869 } else {
2870 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2871 }
2872 break;
2873 case OPC_NOR:
2874 if (rs != 0 && rt != 0) {
2875 tcg_gen_nor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
2876 } else if (rs == 0 && rt != 0) {
2877 tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rt]);
2878 } else if (rs != 0 && rt == 0) {
2879 tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rs]);
2880 } else {
2881 tcg_gen_movi_tl(cpu_gpr[rd], ~((target_ulong)0));
2882 }
2883 break;
2884 case OPC_OR:
2885 if (likely(rs != 0 && rt != 0)) {
2886 tcg_gen_or_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
2887 } else if (rs == 0 && rt != 0) {
2888 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
2889 } else if (rs != 0 && rt == 0) {
2890 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
2891 } else {
2892 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2893 }
2894 break;
2895 case OPC_XOR:
2896 if (likely(rs != 0 && rt != 0)) {
2897 tcg_gen_xor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
2898 } else if (rs == 0 && rt != 0) {
2899 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
2900 } else if (rs != 0 && rt == 0) {
2901 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
2902 } else {
2903 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2904 }
2905 break;
2906 }
2907 }
2908
2909 /* Set on lower than */
2910 static void gen_slt(DisasContext *ctx, uint32_t opc,
2911 int rd, int rs, int rt)
2912 {
2913 TCGv t0, t1;
2914
2915 if (rd == 0) {
2916 /* If no destination, treat it as a NOP. */
2917 return;
2918 }
2919
2920 t0 = tcg_temp_new();
2921 t1 = tcg_temp_new();
2922 gen_load_gpr(t0, rs);
2923 gen_load_gpr(t1, rt);
2924 switch (opc) {
2925 case OPC_SLT:
2926 tcg_gen_setcond_tl(TCG_COND_LT, cpu_gpr[rd], t0, t1);
2927 break;
2928 case OPC_SLTU:
2929 tcg_gen_setcond_tl(TCG_COND_LTU, cpu_gpr[rd], t0, t1);
2930 break;
2931 }
2932 tcg_temp_free(t0);
2933 tcg_temp_free(t1);
2934 }
2935
2936 /* Shifts */
2937 static void gen_shift(DisasContext *ctx, uint32_t opc,
2938 int rd, int rs, int rt)
2939 {
2940 TCGv t0, t1;
2941
2942 if (rd == 0) {
2943 /* If no destination, treat it as a NOP.
2944 For add & sub, we must generate the overflow exception when needed. */
2945 return;
2946 }
2947
2948 t0 = tcg_temp_new();
2949 t1 = tcg_temp_new();
2950 gen_load_gpr(t0, rs);
2951 gen_load_gpr(t1, rt);
2952 switch (opc) {
2953 case OPC_SLLV:
2954 tcg_gen_andi_tl(t0, t0, 0x1f);
2955 tcg_gen_shl_tl(t0, t1, t0);
2956 tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
2957 break;
2958 case OPC_SRAV:
2959 tcg_gen_andi_tl(t0, t0, 0x1f);
2960 tcg_gen_sar_tl(cpu_gpr[rd], t1, t0);
2961 break;
2962 case OPC_SRLV:
2963 tcg_gen_ext32u_tl(t1, t1);
2964 tcg_gen_andi_tl(t0, t0, 0x1f);
2965 tcg_gen_shr_tl(t0, t1, t0);
2966 tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
2967 break;
2968 case OPC_ROTRV:
2969 {
2970 TCGv_i32 t2 = tcg_temp_new_i32();
2971 TCGv_i32 t3 = tcg_temp_new_i32();
2972
2973 tcg_gen_trunc_tl_i32(t2, t0);
2974 tcg_gen_trunc_tl_i32(t3, t1);
2975 tcg_gen_andi_i32(t2, t2, 0x1f);
2976 tcg_gen_rotr_i32(t2, t3, t2);
2977 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2);
2978 tcg_temp_free_i32(t2);
2979 tcg_temp_free_i32(t3);
2980 }
2981 break;
2982 #if defined(TARGET_MIPS64)
2983 case OPC_DSLLV:
2984 tcg_gen_andi_tl(t0, t0, 0x3f);
2985 tcg_gen_shl_tl(cpu_gpr[rd], t1, t0);
2986 break;
2987 case OPC_DSRAV:
2988 tcg_gen_andi_tl(t0, t0, 0x3f);
2989 tcg_gen_sar_tl(cpu_gpr[rd], t1, t0);
2990 break;
2991 case OPC_DSRLV:
2992 tcg_gen_andi_tl(t0, t0, 0x3f);
2993 tcg_gen_shr_tl(cpu_gpr[rd], t1, t0);
2994 break;
2995 case OPC_DROTRV:
2996 tcg_gen_andi_tl(t0, t0, 0x3f);
2997 tcg_gen_rotr_tl(cpu_gpr[rd], t1, t0);
2998 break;
2999 #endif
3000 }
3001 tcg_temp_free(t0);
3002 tcg_temp_free(t1);
3003 }
3004
3005 /* Arithmetic on HI/LO registers */
3006 static void gen_HILO(DisasContext *ctx, uint32_t opc, int acc, int reg)
3007 {
3008 if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) {
3009 /* Treat as NOP. */
3010 return;
3011 }
3012
3013 if (acc != 0) {
3014 check_dsp(ctx);
3015 }
3016
3017 switch (opc) {
3018 case OPC_MFHI:
3019 #if defined(TARGET_MIPS64)
3020 if (acc != 0) {
3021 tcg_gen_ext32s_tl(cpu_gpr[reg], cpu_HI[acc]);
3022 } else
3023 #endif
3024 {
3025 tcg_gen_mov_tl(cpu_gpr[reg], cpu_HI[acc]);
3026 }
3027 break;
3028 case OPC_MFLO:
3029 #if defined(TARGET_MIPS64)
3030 if (acc != 0) {
3031 tcg_gen_ext32s_tl(cpu_gpr[reg], cpu_LO[acc]);
3032 } else
3033 #endif
3034 {
3035 tcg_gen_mov_tl(cpu_gpr[reg], cpu_LO[acc]);
3036 }
3037 break;
3038 case OPC_MTHI:
3039 if (reg != 0) {
3040 #if defined(TARGET_MIPS64)
3041 if (acc != 0) {
3042 tcg_gen_ext32s_tl(cpu_HI[acc], cpu_gpr[reg]);
3043 } else
3044 #endif
3045 {
3046 tcg_gen_mov_tl(cpu_HI[acc], cpu_gpr[reg]);
3047 }
3048 } else {
3049 tcg_gen_movi_tl(cpu_HI[acc], 0);
3050 }
3051 break;
3052 case OPC_MTLO:
3053 if (reg != 0) {
3054 #if defined(TARGET_MIPS64)
3055 if (acc != 0) {
3056 tcg_gen_ext32s_tl(cpu_LO[acc], cpu_gpr[reg]);
3057 } else
3058 #endif
3059 {
3060 tcg_gen_mov_tl(cpu_LO[acc], cpu_gpr[reg]);
3061 }
3062 } else {
3063 tcg_gen_movi_tl(cpu_LO[acc], 0);
3064 }
3065 break;
3066 }
3067 }
3068
3069 static inline void gen_r6_ld(target_long addr, int reg, int memidx,
3070 TCGMemOp memop)
3071 {
3072 TCGv t0 = tcg_const_tl(addr);
3073 tcg_gen_qemu_ld_tl(t0, t0, memidx, memop);
3074 gen_store_gpr(t0, reg);
3075 tcg_temp_free(t0);
3076 }
3077
3078 static inline void gen_pcrel(DisasContext *ctx, int opc, target_ulong pc,
3079 int rs)
3080 {
3081 target_long offset;
3082 target_long addr;
3083
3084 switch (MASK_OPC_PCREL_TOP2BITS(opc)) {
3085 case OPC_ADDIUPC:
3086 if (rs != 0) {
3087 offset = sextract32(ctx->opcode << 2, 0, 21);
3088 addr = addr_add(ctx, pc, offset);
3089 tcg_gen_movi_tl(cpu_gpr[rs], addr);
3090 }
3091 break;
3092 case R6_OPC_LWPC:
3093 offset = sextract32(ctx->opcode << 2, 0, 21);
3094 addr = addr_add(ctx, pc, offset);
3095 gen_r6_ld(addr, rs, ctx->mem_idx, MO_TESL);
3096 break;
3097 #if defined(TARGET_MIPS64)
3098 case OPC_LWUPC:
3099 check_mips_64(ctx);
3100 offset = sextract32(ctx->opcode << 2, 0, 21);
3101 addr = addr_add(ctx, pc, offset);
3102 gen_r6_ld(addr, rs, ctx->mem_idx, MO_TEUL);
3103 break;
3104 #endif
3105 default:
3106 switch (MASK_OPC_PCREL_TOP5BITS(opc)) {
3107 case OPC_AUIPC:
3108 if (rs != 0) {
3109 offset = sextract32(ctx->opcode, 0, 16) << 16;
3110 addr = addr_add(ctx, pc, offset);
3111 tcg_gen_movi_tl(cpu_gpr[rs], addr);
3112 }
3113 break;
3114 case OPC_ALUIPC:
3115 if (rs != 0) {
3116 offset = sextract32(ctx->opcode, 0, 16) << 16;
3117 addr = ~0xFFFF & addr_add(ctx, pc, offset);
3118 tcg_gen_movi_tl(cpu_gpr[rs], addr);
3119 }
3120 break;
3121 #if defined(TARGET_MIPS64)
3122 case R6_OPC_LDPC: /* bits 16 and 17 are part of immediate */
3123 case R6_OPC_LDPC + (1 << 16):
3124 case R6_OPC_LDPC + (2 << 16):
3125 case R6_OPC_LDPC + (3 << 16):
3126 check_mips_64(ctx);
3127 offset = sextract32(ctx->opcode << 3, 0, 21);
3128 addr = addr_add(ctx, (pc & ~0x7), offset);
3129 gen_r6_ld(addr, rs, ctx->mem_idx, MO_TEQ);
3130 break;
3131 #endif
3132 default:
3133 MIPS_INVAL("OPC_PCREL");
3134 generate_exception_end(ctx, EXCP_RI);
3135 break;
3136 }
3137 break;
3138 }
3139 }
3140
3141 static void gen_r6_muldiv(DisasContext *ctx, int opc, int rd, int rs, int rt)
3142 {
3143 TCGv t0, t1;
3144
3145 if (rd == 0) {
3146 /* Treat as NOP. */
3147 return;
3148 }
3149
3150 t0 = tcg_temp_new();
3151 t1 = tcg_temp_new();
3152
3153 gen_load_gpr(t0, rs);
3154 gen_load_gpr(t1, rt);
3155
3156 switch (opc) {
3157 case R6_OPC_DIV:
3158 {
3159 TCGv t2 = tcg_temp_new();
3160 TCGv t3 = tcg_temp_new();
3161 tcg_gen_ext32s_tl(t0, t0);
3162 tcg_gen_ext32s_tl(t1, t1);
3163 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, INT_MIN);
3164 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1);
3165 tcg_gen_and_tl(t2, t2, t3);
3166 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0);
3167 tcg_gen_or_tl(t2, t2, t3);
3168 tcg_gen_movi_tl(t3, 0);
3169 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1);
3170 tcg_gen_div_tl(cpu_gpr[rd], t0, t1);
3171 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3172 tcg_temp_free(t3);
3173 tcg_temp_free(t2);
3174 }
3175 break;
3176 case R6_OPC_MOD:
3177 {
3178 TCGv t2 = tcg_temp_new();
3179 TCGv t3 = tcg_temp_new();
3180 tcg_gen_ext32s_tl(t0, t0);
3181 tcg_gen_ext32s_tl(t1, t1);
3182 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, INT_MIN);
3183 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1);
3184 tcg_gen_and_tl(t2, t2, t3);
3185 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0);
3186 tcg_gen_or_tl(t2, t2, t3);
3187 tcg_gen_movi_tl(t3, 0);
3188 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1);
3189 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1);
3190 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3191 tcg_temp_free(t3);
3192 tcg_temp_free(t2);
3193 }
3194 break;
3195 case R6_OPC_DIVU:
3196 {
3197 TCGv t2 = tcg_const_tl(0);
3198 TCGv t3 = tcg_const_tl(1);
3199 tcg_gen_ext32u_tl(t0, t0);
3200 tcg_gen_ext32u_tl(t1, t1);
3201 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1);
3202 tcg_gen_divu_tl(cpu_gpr[rd], t0, t1);
3203 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3204 tcg_temp_free(t3);
3205 tcg_temp_free(t2);
3206 }
3207 break;
3208 case R6_OPC_MODU:
3209 {
3210 TCGv t2 = tcg_const_tl(0);
3211 TCGv t3 = tcg_const_tl(1);
3212 tcg_gen_ext32u_tl(t0, t0);
3213 tcg_gen_ext32u_tl(t1, t1);
3214 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1);
3215 tcg_gen_remu_tl(cpu_gpr[rd], t0, t1);
3216 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3217 tcg_temp_free(t3);
3218 tcg_temp_free(t2);
3219 }
3220 break;
3221 case R6_OPC_MUL:
3222 {
3223 TCGv_i32 t2 = tcg_temp_new_i32();
3224 TCGv_i32 t3 = tcg_temp_new_i32();
3225 tcg_gen_trunc_tl_i32(t2, t0);
3226 tcg_gen_trunc_tl_i32(t3, t1);
3227 tcg_gen_mul_i32(t2, t2, t3);
3228 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2);
3229 tcg_temp_free_i32(t2);
3230 tcg_temp_free_i32(t3);
3231 }
3232 break;
3233 case R6_OPC_MUH:
3234 {
3235 TCGv_i32 t2 = tcg_temp_new_i32();
3236 TCGv_i32 t3 = tcg_temp_new_i32();
3237 tcg_gen_trunc_tl_i32(t2, t0);
3238 tcg_gen_trunc_tl_i32(t3, t1);
3239 tcg_gen_muls2_i32(t2, t3, t2, t3);
3240 tcg_gen_ext_i32_tl(cpu_gpr[rd], t3);
3241 tcg_temp_free_i32(t2);
3242 tcg_temp_free_i32(t3);
3243 }
3244 break;
3245 case R6_OPC_MULU:
3246 {
3247 TCGv_i32 t2 = tcg_temp_new_i32();
3248 TCGv_i32 t3 = tcg_temp_new_i32();
3249 tcg_gen_trunc_tl_i32(t2, t0);
3250 tcg_gen_trunc_tl_i32(t3, t1);
3251 tcg_gen_mul_i32(t2, t2, t3);
3252 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2);
3253 tcg_temp_free_i32(t2);
3254 tcg_temp_free_i32(t3);
3255 }
3256 break;
3257 case R6_OPC_MUHU:
3258 {
3259 TCGv_i32 t2 = tcg_temp_new_i32();
3260 TCGv_i32 t3 = tcg_temp_new_i32();
3261 tcg_gen_trunc_tl_i32(t2, t0);
3262 tcg_gen_trunc_tl_i32(t3, t1);
3263 tcg_gen_mulu2_i32(t2, t3, t2, t3);
3264 tcg_gen_ext_i32_tl(cpu_gpr[rd], t3);
3265 tcg_temp_free_i32(t2);
3266 tcg_temp_free_i32(t3);
3267 }
3268 break;
3269 #if defined(TARGET_MIPS64)
3270 case R6_OPC_DDIV:
3271 {
3272 TCGv t2 = tcg_temp_new();
3273 TCGv t3 = tcg_temp_new();
3274 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, -1LL << 63);
3275 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1LL);
3276 tcg_gen_and_tl(t2, t2, t3);
3277 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0);
3278 tcg_gen_or_tl(t2, t2, t3);
3279 tcg_gen_movi_tl(t3, 0);
3280 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1);
3281 tcg_gen_div_tl(cpu_gpr[rd], t0, t1);
3282 tcg_temp_free(t3);
3283 tcg_temp_free(t2);
3284 }
3285 break;
3286 case R6_OPC_DMOD:
3287 {
3288 TCGv t2 = tcg_temp_new();
3289 TCGv t3 = tcg_temp_new();
3290 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, -1LL << 63);
3291 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1LL);
3292 tcg_gen_and_tl(t2, t2, t3);
3293 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0);
3294 tcg_gen_or_tl(t2, t2, t3);
3295 tcg_gen_movi_tl(t3, 0);
3296 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1);
3297 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1);
3298 tcg_temp_free(t3);
3299 tcg_temp_free(t2);
3300 }
3301 break;
3302 case R6_OPC_DDIVU:
3303 {
3304 TCGv t2 = tcg_const_tl(0);
3305 TCGv t3 = tcg_const_tl(1);
3306 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1);
3307 tcg_gen_divu_i64(cpu_gpr[rd], t0, t1);
3308 tcg_temp_free(t3);
3309 tcg_temp_free(t2);
3310 }
3311 break;
3312 case R6_OPC_DMODU:
3313 {
3314 TCGv t2 = tcg_const_tl(0);
3315 TCGv t3 = tcg_const_tl(1);
3316 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1);
3317 tcg_gen_remu_i64(cpu_gpr[rd], t0, t1);
3318 tcg_temp_free(t3);
3319 tcg_temp_free(t2);
3320 }
3321 break;
3322 case R6_OPC_DMUL:
3323 tcg_gen_mul_i64(cpu_gpr[rd], t0, t1);
3324 break;
3325 case R6_OPC_DMUH:
3326 {
3327 TCGv t2 = tcg_temp_new();
3328 tcg_gen_muls2_i64(t2, cpu_gpr[rd], t0, t1);
3329 tcg_temp_free(t2);
3330 }
3331 break;
3332 case R6_OPC_DMULU:
3333 tcg_gen_mul_i64(cpu_gpr[rd], t0, t1);
3334 break;
3335 case R6_OPC_DMUHU:
3336 {
3337 TCGv t2 = tcg_temp_new();
3338 tcg_gen_mulu2_i64(t2, cpu_gpr[rd], t0, t1);
3339 tcg_temp_free(t2);
3340 }
3341 break;
3342 #endif
3343 default:
3344 MIPS_INVAL("r6 mul/div");
3345 generate_exception_end(ctx, EXCP_RI);
3346 goto out;
3347 }
3348 out:
3349 tcg_temp_free(t0);
3350 tcg_temp_free(t1);
3351 }
3352
3353 static void gen_muldiv(DisasContext *ctx, uint32_t opc,
3354 int acc, int rs, int rt)
3355 {
3356 TCGv t0, t1;
3357
3358 t0 = tcg_temp_new();
3359 t1 = tcg_temp_new();
3360
3361 gen_load_gpr(t0, rs);
3362 gen_load_gpr(t1, rt);
3363
3364 if (acc != 0) {
3365 check_dsp(ctx);
3366 }
3367
3368 switch (opc) {
3369 case OPC_DIV:
3370 {
3371 TCGv t2 = tcg_temp_new();
3372 TCGv t3 = tcg_temp_new();
3373 tcg_gen_ext32s_tl(t0, t0);
3374 tcg_gen_ext32s_tl(t1, t1);
3375 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, INT_MIN);
3376 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1);
3377 tcg_gen_and_tl(t2, t2, t3);
3378 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0);
3379 tcg_gen_or_tl(t2, t2, t3);
3380 tcg_gen_movi_tl(t3, 0);
3381 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1);
3382 tcg_gen_div_tl(cpu_LO[acc], t0, t1);
3383 tcg_gen_rem_tl(cpu_HI[acc], t0, t1);
3384 tcg_gen_ext32s_tl(cpu_LO[acc], cpu_LO[acc]);
3385 tcg_gen_ext32s_tl(cpu_HI[acc], cpu_HI[acc]);
3386 tcg_temp_free(t3);
3387 tcg_temp_free(t2);
3388 }
3389 break;
3390 case OPC_DIVU:
3391 {
3392 TCGv t2 = tcg_const_tl(0);
3393 TCGv t3 = tcg_const_tl(1);
3394 tcg_gen_ext32u_tl(t0, t0);
3395 tcg_gen_ext32u_tl(t1, t1);
3396 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1);
3397 tcg_gen_divu_tl(cpu_LO[acc], t0, t1);
3398 tcg_gen_remu_tl(cpu_HI[acc], t0, t1);
3399 tcg_gen_ext32s_tl(cpu_LO[acc], cpu_LO[acc]);
3400 tcg_gen_ext32s_tl(cpu_HI[acc], cpu_HI[acc]);
3401 tcg_temp_free(t3);
3402 tcg_temp_free(t2);
3403 }
3404 break;
3405 case OPC_MULT:
3406 {
3407 TCGv_i32 t2 = tcg_temp_new_i32();
3408 TCGv_i32 t3 = tcg_temp_new_i32();
3409 tcg_gen_trunc_tl_i32(t2, t0);
3410 tcg_gen_trunc_tl_i32(t3, t1);
3411 tcg_gen_muls2_i32(t2, t3, t2, t3);
3412 tcg_gen_ext_i32_tl(cpu_LO[acc], t2);
3413 tcg_gen_ext_i32_tl(cpu_HI[acc], t3);
3414 tcg_temp_free_i32(t2);
3415 tcg_temp_free_i32(t3);
3416 }
3417 break;
3418 case OPC_MULTU:
3419 {
3420 TCGv_i32 t2 = tcg_temp_new_i32();
3421 TCGv_i32 t3 = tcg_temp_new_i32();
3422 tcg_gen_trunc_tl_i32(t2, t0);
3423 tcg_gen_trunc_tl_i32(t3, t1);
3424 tcg_gen_mulu2_i32(t2, t3, t2, t3);
3425 tcg_gen_ext_i32_tl(cpu_LO[acc], t2);
3426 tcg_gen_ext_i32_tl(cpu_HI[acc], t3);
3427 tcg_temp_free_i32(t2);
3428 tcg_temp_free_i32(t3);
3429 }
3430 break;
3431 #if defined(TARGET_MIPS64)
3432 case OPC_DDIV:
3433 {
3434 TCGv t2 = tcg_temp_new();
3435 TCGv t3 = tcg_temp_new();
3436 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, -1LL << 63);
3437 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1LL);
3438 tcg_gen_and_tl(t2, t2, t3);
3439 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0);
3440 tcg_gen_or_tl(t2, t2, t3);
3441 tcg_gen_movi_tl(t3, 0);
3442 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1);
3443 tcg_gen_div_tl(cpu_LO[acc], t0, t1);
3444 tcg_gen_rem_tl(cpu_HI[acc], t0, t1);
3445 tcg_temp_free(t3);
3446 tcg_temp_free(t2);
3447 }
3448 break;
3449 case OPC_DDIVU:
3450 {
3451 TCGv t2 = tcg_const_tl(0);
3452 TCGv t3 = tcg_const_tl(1);
3453 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1);
3454 tcg_gen_divu_i64(cpu_LO[acc], t0, t1);
3455 tcg_gen_remu_i64(cpu_HI[acc], t0, t1);
3456 tcg_temp_free(t3);
3457 tcg_temp_free(t2);
3458 }
3459 break;
3460 case OPC_DMULT:
3461 tcg_gen_muls2_i64(cpu_LO[acc], cpu_HI[acc], t0, t1);
3462 break;
3463 case OPC_DMULTU:
3464 tcg_gen_mulu2_i64(cpu_LO[acc], cpu_HI[acc], t0, t1);
3465 break;
3466 #endif
3467 case OPC_MADD:
3468 {
3469 TCGv_i64 t2 = tcg_temp_new_i64();
3470 TCGv_i64 t3 = tcg_temp_new_i64();
3471
3472 tcg_gen_ext_tl_i64(t2, t0);
3473 tcg_gen_ext_tl_i64(t3, t1);
3474 tcg_gen_mul_i64(t2, t2, t3);
3475 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]);
3476 tcg_gen_add_i64(t2, t2, t3);
3477 tcg_temp_free_i64(t3);
3478 gen_move_low32(cpu_LO[acc], t2);
3479 gen_move_high32(cpu_HI[acc], t2);
3480 tcg_temp_free_i64(t2);
3481 }
3482 break;
3483 case OPC_MADDU:
3484 {
3485 TCGv_i64 t2 = tcg_temp_new_i64();
3486 TCGv_i64 t3 = tcg_temp_new_i64();
3487
3488 tcg_gen_ext32u_tl(t0, t0);
3489 tcg_gen_ext32u_tl(t1, t1);
3490 tcg_gen_extu_tl_i64(t2, t0);
3491 tcg_gen_extu_tl_i64(t3, t1);
3492 tcg_gen_mul_i64(t2, t2, t3);
3493 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]);
3494 tcg_gen_add_i64(t2, t2, t3);
3495 tcg_temp_free_i64(t3);
3496 gen_move_low32(cpu_LO[acc], t2);
3497 gen_move_high32(cpu_HI[acc], t2);
3498 tcg_temp_free_i64(t2);
3499 }
3500 break;
3501 case OPC_MSUB:
3502 {
3503 TCGv_i64 t2 = tcg_temp_new_i64();
3504 TCGv_i64 t3 = tcg_temp_new_i64();
3505
3506 tcg_gen_ext_tl_i64(t2, t0);
3507 tcg_gen_ext_tl_i64(t3, t1);
3508 tcg_gen_mul_i64(t2, t2, t3);
3509 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]);
3510 tcg_gen_sub_i64(t2, t3, t2);
3511 tcg_temp_free_i64(t3);
3512 gen_move_low32(cpu_LO[acc], t2);
3513 gen_move_high32(cpu_HI[acc], t2);
3514 tcg_temp_free_i64(t2);
3515 }
3516 break;
3517 case OPC_MSUBU:
3518 {
3519 TCGv_i64 t2 = tcg_temp_new_i64();
3520 TCGv_i64 t3 = tcg_temp_new_i64();
3521
3522 tcg_gen_ext32u_tl(t0, t0);
3523 tcg_gen_ext32u_tl(t1, t1);
3524 tcg_gen_extu_tl_i64(t2, t0);
3525 tcg_gen_extu_tl_i64(t3, t1);
3526 tcg_gen_mul_i64(t2, t2, t3);
3527 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]);
3528 tcg_gen_sub_i64(t2, t3, t2);
3529 tcg_temp_free_i64(t3);
3530 gen_move_low32(cpu_LO[acc], t2);
3531 gen_move_high32(cpu_HI[acc], t2);
3532 tcg_temp_free_i64(t2);
3533 }
3534 break;
3535 default:
3536 MIPS_INVAL("mul/div");
3537 generate_exception_end(ctx, EXCP_RI);
3538 goto out;
3539 }
3540 out:
3541 tcg_temp_free(t0);
3542 tcg_temp_free(t1);
3543 }
3544
3545 static void gen_mul_vr54xx (DisasContext *ctx, uint32_t opc,
3546 int rd, int rs, int rt)
3547 {
3548 TCGv t0 = tcg_temp_new();
3549 TCGv t1 = tcg_temp_new();
3550
3551 gen_load_gpr(t0, rs);
3552 gen_load_gpr(t1, rt);
3553
3554 switch (opc) {
3555 case OPC_VR54XX_MULS:
3556 gen_helper_muls(t0, cpu_env, t0, t1);
3557 break;
3558 case OPC_VR54XX_MULSU:
3559 gen_helper_mulsu(t0, cpu_env, t0, t1);
3560 break;
3561 case OPC_VR54XX_MACC:
3562 gen_helper_macc(t0, cpu_env, t0, t1);
3563 break;
3564 case OPC_VR54XX_MACCU:
3565 gen_helper_maccu(t0, cpu_env, t0, t1);
3566 break;
3567 case OPC_VR54XX_MSAC:
3568 gen_helper_msac(t0, cpu_env, t0, t1);
3569 break;
3570 case OPC_VR54XX_MSACU:
3571 gen_helper_msacu(t0, cpu_env, t0, t1);
3572 break;
3573 case OPC_VR54XX_MULHI:
3574 gen_helper_mulhi(t0, cpu_env, t0, t1);
3575 break;
3576 case OPC_VR54XX_MULHIU:
3577 gen_helper_mulhiu(t0, cpu_env, t0, t1);
3578 break;
3579 case OPC_VR54XX_MULSHI:
3580 gen_helper_mulshi(t0, cpu_env, t0, t1);
3581 break;
3582 case OPC_VR54XX_MULSHIU:
3583 gen_helper_mulshiu(t0, cpu_env, t0, t1);
3584 break;
3585 case OPC_VR54XX_MACCHI:
3586 gen_helper_macchi(t0, cpu_env, t0, t1);
3587 break;
3588 case OPC_VR54XX_MACCHIU:
3589 gen_helper_macchiu(t0, cpu_env, t0, t1);
3590 break;
3591 case OPC_VR54XX_MSACHI:
3592 gen_helper_msachi(t0, cpu_env, t0, t1);
3593 break;
3594 case OPC_VR54XX_MSACHIU:
3595 gen_helper_msachiu(t0, cpu_env, t0, t1);
3596 break;
3597 default:
3598 MIPS_INVAL("mul vr54xx");
3599 generate_exception_end(ctx, EXCP_RI);
3600 goto out;
3601 }
3602 gen_store_gpr(t0, rd);
3603
3604 out:
3605 tcg_temp_free(t0);
3606 tcg_temp_free(t1);
3607 }
3608
3609 static void gen_cl (DisasContext *ctx, uint32_t opc,
3610 int rd, int rs)
3611 {
3612 TCGv t0;
3613
3614 if (rd == 0) {
3615 /* Treat as NOP. */
3616 return;
3617 }
3618 t0 = tcg_temp_new();
3619 gen_load_gpr(t0, rs);
3620 switch (opc) {
3621 case OPC_CLO:
3622 case R6_OPC_CLO:
3623 gen_helper_clo(cpu_gpr[rd], t0);
3624 break;
3625 case OPC_CLZ:
3626 case R6_OPC_CLZ:
3627 gen_helper_clz(cpu_gpr[rd], t0);
3628 break;
3629 #if defined(TARGET_MIPS64)
3630 case OPC_DCLO:
3631 case R6_OPC_DCLO:
3632 gen_helper_dclo(cpu_gpr[rd], t0);
3633 break;
3634 case OPC_DCLZ:
3635 case R6_OPC_DCLZ:
3636 gen_helper_dclz(cpu_gpr[rd], t0);
3637 break;
3638 #endif
3639 }
3640 tcg_temp_free(t0);
3641 }
3642
3643 /* Godson integer instructions */
3644 static void gen_loongson_integer(DisasContext *ctx, uint32_t opc,
3645 int rd, int rs, int rt)
3646 {
3647 TCGv t0, t1;
3648
3649 if (rd == 0) {
3650 /* Treat as NOP. */
3651 return;
3652 }
3653
3654 switch (opc) {
3655 case OPC_MULT_G_2E:
3656 case OPC_MULT_G_2F:
3657 case OPC_MULTU_G_2E:
3658 case OPC_MULTU_G_2F:
3659 #if defined(TARGET_MIPS64)
3660 case OPC_DMULT_G_2E:
3661 case OPC_DMULT_G_2F:
3662 case OPC_DMULTU_G_2E:
3663 case OPC_DMULTU_G_2F:
3664 #endif
3665 t0 = tcg_temp_new();
3666 t1 = tcg_temp_new();
3667 break;
3668 default:
3669 t0 = tcg_temp_local_new();
3670 t1 = tcg_temp_local_new();
3671 break;
3672 }
3673
3674 gen_load_gpr(t0, rs);
3675 gen_load_gpr(t1, rt);
3676
3677 switch (opc) {
3678 case OPC_MULT_G_2E:
3679 case OPC_MULT_G_2F:
3680 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1);
3681 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3682 break;
3683 case OPC_MULTU_G_2E:
3684 case OPC_MULTU_G_2F:
3685 tcg_gen_ext32u_tl(t0, t0);
3686 tcg_gen_ext32u_tl(t1, t1);
3687 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1);
3688 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3689 break;
3690 case OPC_DIV_G_2E:
3691 case OPC_DIV_G_2F:
3692 {
3693 TCGLabel *l1 = gen_new_label();
3694 TCGLabel *l2 = gen_new_label();
3695 TCGLabel *l3 = gen_new_label();
3696 tcg_gen_ext32s_tl(t0, t0);
3697 tcg_gen_ext32s_tl(t1, t1);
3698 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
3699 tcg_gen_movi_tl(cpu_gpr[rd], 0);
3700 tcg_gen_br(l3);
3701 gen_set_label(l1);
3702 tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2);
3703 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2);
3704 tcg_gen_mov_tl(cpu_gpr[rd], t0);
3705 tcg_gen_br(l3);
3706 gen_set_label(l2);
3707 tcg_gen_div_tl(cpu_gpr[rd], t0, t1);
3708 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3709 gen_set_label(l3);
3710 }
3711 break;
3712 case OPC_DIVU_G_2E:
3713 case OPC_DIVU_G_2F:
3714 {
3715 TCGLabel *l1 = gen_new_label();
3716 TCGLabel *l2 = gen_new_label();
3717 tcg_gen_ext32u_tl(t0, t0);
3718 tcg_gen_ext32u_tl(t1, t1);
3719 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
3720 tcg_gen_movi_tl(cpu_gpr[rd], 0);
3721 tcg_gen_br(l2);
3722 gen_set_label(l1);
3723 tcg_gen_divu_tl(cpu_gpr[rd], t0, t1);
3724 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3725 gen_set_label(l2);
3726 }
3727 break;
3728 case OPC_MOD_G_2E:
3729 case OPC_MOD_G_2F:
3730 {
3731 TCGLabel *l1 = gen_new_label();
3732 TCGLabel *l2 = gen_new_label();
3733 TCGLabel *l3 = gen_new_label();
3734 tcg_gen_ext32u_tl(t0, t0);
3735 tcg_gen_ext32u_tl(t1, t1);
3736 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
3737 tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2);
3738 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2);
3739 gen_set_label(l1);
3740 tcg_gen_movi_tl(cpu_gpr[rd], 0);
3741 tcg_gen_br(l3);
3742 gen_set_label(l2);
3743 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1);
3744 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3745 gen_set_label(l3);
3746 }
3747 break;
3748 case OPC_MODU_G_2E:
3749 case OPC_MODU_G_2F:
3750 {
3751 TCGLabel *l1 = gen_new_label();
3752 TCGLabel *l2 = gen_new_label();
3753 tcg_gen_ext32u_tl(t0, t0);
3754 tcg_gen_ext32u_tl(t1, t1);
3755 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
3756 tcg_gen_movi_tl(cpu_gpr[rd], 0);
3757 tcg_gen_br(l2);
3758 gen_set_label(l1);
3759 tcg_gen_remu_tl(cpu_gpr[rd], t0, t1);
3760 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3761 gen_set_label(l2);
3762 }
3763 break;
3764 #if defined(TARGET_MIPS64)
3765 case OPC_DMULT_G_2E:
3766 case OPC_DMULT_G_2F:
3767 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1);
3768 break;
3769 case OPC_DMULTU_G_2E:
3770 case OPC_DMULTU_G_2F:
3771 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1);
3772 break;
3773 case OPC_DDIV_G_2E:
3774 case OPC_DDIV_G_2F:
3775 {
3776 TCGLabel *l1 = gen_new_label();
3777 TCGLabel *l2 = gen_new_label();
3778 TCGLabel *l3 = gen_new_label();
3779 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
3780 tcg_gen_movi_tl(cpu_gpr[rd], 0);
3781 tcg_gen_br(l3);
3782 gen_set_label(l1);
3783 tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2);
3784 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2);
3785 tcg_gen_mov_tl(cpu_gpr[rd], t0);
3786 tcg_gen_br(l3);
3787 gen_set_label(l2);
3788 tcg_gen_div_tl(cpu_gpr[rd], t0, t1);
3789 gen_set_label(l3);
3790 }
3791 break;
3792 case OPC_DDIVU_G_2E:
3793 case OPC_DDIVU_G_2F:
3794 {
3795 TCGLabel *l1 = gen_new_label();
3796 TCGLabel *l2 = gen_new_label();
3797 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
3798 tcg_gen_movi_tl(cpu_gpr[rd], 0);
3799 tcg_gen_br(l2);
3800 gen_set_label(l1);
3801 tcg_gen_divu_tl(cpu_gpr[rd], t0, t1);
3802 gen_set_label(l2);
3803 }
3804 break;
3805 case OPC_DMOD_G_2E:
3806 case OPC_DMOD_G_2F:
3807 {
3808 TCGLabel *l1 = gen_new_label();
3809 TCGLabel *l2 = gen_new_label();
3810 TCGLabel *l3 = gen_new_label();
3811 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
3812 tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2);
3813 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2);
3814 gen_set_label(l1);
3815 tcg_gen_movi_tl(cpu_gpr[rd], 0);
3816 tcg_gen_br(l3);
3817 gen_set_label(l2);
3818 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1);
3819 gen_set_label(l3);
3820 }
3821 break;
3822 case OPC_DMODU_G_2E:
3823 case OPC_DMODU_G_2F:
3824 {
3825 TCGLabel *l1 = gen_new_label();
3826 TCGLabel *l2 = gen_new_label();
3827 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
3828 tcg_gen_movi_tl(cpu_gpr[rd], 0);
3829 tcg_gen_br(l2);
3830 gen_set_label(l1);
3831 tcg_gen_remu_tl(cpu_gpr[rd], t0, t1);
3832 gen_set_label(l2);
3833 }
3834 break;
3835 #endif
3836 }
3837
3838 tcg_temp_free(t0);
3839 tcg_temp_free(t1);
3840 }
3841
3842 /* Loongson multimedia instructions */
3843 static void gen_loongson_multimedia(DisasContext *ctx, int rd, int rs, int rt)
3844 {
3845 uint32_t opc, shift_max;
3846 TCGv_i64 t0, t1;
3847
3848 opc = MASK_LMI(ctx->opcode);
3849 switch (opc) {
3850 case OPC_ADD_CP2:
3851 case OPC_SUB_CP2:
3852 case OPC_DADD_CP2:
3853 case OPC_DSUB_CP2:
3854 t0 = tcg_temp_local_new_i64();
3855 t1 = tcg_temp_local_new_i64();
3856 break;
3857 default:
3858 t0 = tcg_temp_new_i64();
3859 t1 = tcg_temp_new_i64();
3860 break;
3861 }
3862
3863 gen_load_fpr64(ctx, t0, rs);
3864 gen_load_fpr64(ctx, t1, rt);
3865
3866 #define LMI_HELPER(UP, LO) \
3867 case OPC_##UP: gen_helper_##LO(t0, t0, t1); break
3868 #define LMI_HELPER_1(UP, LO) \
3869 case OPC_##UP: gen_helper_##LO(t0, t0); break
3870 #define LMI_DIRECT(UP, LO, OP) \
3871 case OPC_##UP: tcg_gen_##OP##_i64(t0, t0, t1); break
3872
3873 switch (opc) {
3874 LMI_HELPER(PADDSH, paddsh);
3875 LMI_HELPER(PADDUSH, paddush);
3876 LMI_HELPER(PADDH, paddh);
3877 LMI_HELPER(PADDW, paddw);
3878 LMI_HELPER(PADDSB, paddsb);
3879 LMI_HELPER(PADDUSB, paddusb);
3880 LMI_HELPER(PADDB, paddb);
3881
3882 LMI_HELPER(PSUBSH, psubsh);
3883 LMI_HELPER(PSUBUSH, psubush);
3884 LMI_HELPER(PSUBH, psubh);
3885 LMI_HELPER(PSUBW, psubw);
3886 LMI_HELPER(PSUBSB, psubsb);
3887 LMI_HELPER(PSUBUSB, psubusb);
3888 LMI_HELPER(PSUBB, psubb);
3889
3890 LMI_HELPER(PSHUFH, pshufh);
3891 LMI_HELPER(PACKSSWH, packsswh);
3892 LMI_HELPER(PACKSSHB, packsshb);
3893 LMI_HELPER(PACKUSHB, packushb);
3894
3895 LMI_HELPER(PUNPCKLHW, punpcklhw);
3896 LMI_HELPER(PUNPCKHHW, punpckhhw);
3897 LMI_HELPER(PUNPCKLBH, punpcklbh);
3898 LMI_HELPER(PUNPCKHBH, punpckhbh);
3899 LMI_HELPER(PUNPCKLWD, punpcklwd);
3900 LMI_HELPER(PUNPCKHWD, punpckhwd);
3901
3902 LMI_HELPER(PAVGH, pavgh);
3903 LMI_HELPER(PAVGB, pavgb);
3904 LMI_HELPER(PMAXSH, pmaxsh);
3905 LMI_HELPER(PMINSH, pminsh);
3906 LMI_HELPER(PMAXUB, pmaxub);
3907 LMI_HELPER(PMINUB, pminub);
3908
3909 LMI_HELPER(PCMPEQW, pcmpeqw);
3910 LMI_HELPER(PCMPGTW, pcmpgtw);
3911 LMI_HELPER(PCMPEQH, pcmpeqh);
3912 LMI_HELPER(PCMPGTH, pcmpgth);
3913 LMI_HELPER(PCMPEQB, pcmpeqb);
3914 LMI_HELPER(PCMPGTB, pcmpgtb);
3915
3916 LMI_HELPER(PSLLW, psllw);
3917 LMI_HELPER(PSLLH, psllh);
3918 LMI_HELPER(PSRLW, psrlw);
3919 LMI_HELPER(PSRLH, psrlh);
3920 LMI_HELPER(PSRAW, psraw);
3921 LMI_HELPER(PSRAH, psrah);
3922
3923 LMI_HELPER(PMULLH, pmullh);
3924 LMI_HELPER(PMULHH, pmulhh);
3925 LMI_HELPER(PMULHUH, pmulhuh);
3926 LMI_HELPER(PMADDHW, pmaddhw);
3927
3928 LMI_HELPER(PASUBUB, pasubub);
3929 LMI_HELPER_1(BIADD, biadd);
3930 LMI_HELPER_1(PMOVMSKB, pmovmskb);
3931
3932 LMI_DIRECT(PADDD, paddd, add);
3933 LMI_DIRECT(PSUBD, psubd, sub);
3934 LMI_DIRECT(XOR_CP2, xor, xor);
3935 LMI_DIRECT(NOR_CP2, nor, nor);
3936 LMI_DIRECT(AND_CP2, and, and);
3937 LMI_DIRECT(PANDN, pandn, andc);
3938 LMI_DIRECT(OR, or, or);
3939
3940 case OPC_PINSRH_0:
3941 tcg_gen_deposit_i64(t0, t0, t1, 0, 16);
3942 break;
3943 case OPC_PINSRH_1:
3944 tcg_gen_deposit_i64(t0, t0, t1, 16, 16);
3945 break;
3946 case OPC_PINSRH_2:
3947 tcg_gen_deposit_i64(t0, t0, t1, 32, 16);
3948 break;
3949 case OPC_PINSRH_3:
3950 tcg_gen_deposit_i64(t0, t0, t1, 48, 16);
3951 break;
3952
3953 case OPC_PEXTRH:
3954 tcg_gen_andi_i64(t1, t1, 3);
3955 tcg_gen_shli_i64(t1, t1, 4);
3956 tcg_gen_shr_i64(t0, t0, t1);
3957 tcg_gen_ext16u_i64(t0, t0);
3958 break;
3959
3960 case OPC_ADDU_CP2:
3961 tcg_gen_add_i64(t0, t0, t1);
3962 tcg_gen_ext32s_i64(t0, t0);
3963 break;
3964 case OPC_SUBU_CP2:
3965 tcg_gen_sub_i64(t0, t0, t1);
3966 tcg_gen_ext32s_i64(t0, t0);
3967 break;
3968
3969 case OPC_SLL_CP2:
3970 shift_max = 32;
3971 goto do_shift;
3972 case OPC_SRL_CP2:
3973 shift_max = 32;
3974 goto do_shift;
3975 case OPC_SRA_CP2:
3976 shift_max = 32;
3977 goto do_shift;
3978 case OPC_DSLL_CP2:
3979 shift_max = 64;
3980 goto do_shift;
3981 case OPC_DSRL_CP2:
3982 shift_max = 64;
3983 goto do_shift;
3984 case OPC_DSRA_CP2:
3985 shift_max = 64;
3986 goto do_shift;
3987 do_shift:
3988 /* Make sure shift count isn't TCG undefined behaviour. */
3989 tcg_gen_andi_i64(t1, t1, shift_max - 1);
3990
3991 switch (opc) {
3992 case OPC_SLL_CP2:
3993 case OPC_DSLL_CP2:
3994 tcg_gen_shl_i64(t0, t0, t1);
3995 break;
3996 case OPC_SRA_CP2:
3997 case OPC_DSRA_CP2:
3998 /* Since SRA is UndefinedResult without sign-extended inputs,
3999 we can treat SRA and DSRA the same. */
4000 tcg_gen_sar_i64(t0, t0, t1);
4001 break;
4002 case OPC_SRL_CP2:
4003 /* We want to shift in zeros for SRL; zero-extend first. */
4004 tcg_gen_ext32u_i64(t0, t0);
4005 /* FALLTHRU */
4006 case OPC_DSRL_CP2:
4007 tcg_gen_shr_i64(t0, t0, t1);
4008 break;
4009 }
4010
4011 if (shift_max == 32) {
4012 tcg_gen_ext32s_i64(t0, t0);
4013 }
4014
4015 /* Shifts larger than MAX produce zero. */
4016 tcg_gen_setcondi_i64(TCG_COND_LTU, t1, t1, shift_max);
4017 tcg_gen_neg_i64(t1, t1);
4018 tcg_gen_and_i64(t0, t0, t1);
4019 break;
4020
4021 case OPC_ADD_CP2:
4022 case OPC_DADD_CP2:
4023 {
4024 TCGv_i64 t2 = tcg_temp_new_i64();
4025 TCGLabel *lab = gen_new_label();
4026
4027 tcg_gen_mov_i64(t2, t0);
4028 tcg_gen_add_i64(t0, t1, t2);
4029 if (opc == OPC_ADD_CP2) {
4030 tcg_gen_ext32s_i64(t0, t0);
4031 }
4032 tcg_gen_xor_i64(t1, t1, t2);
4033 tcg_gen_xor_i64(t2, t2, t0);
4034 tcg_gen_andc_i64(t1, t2, t1);
4035 tcg_temp_free_i64(t2);
4036 tcg_gen_brcondi_i64(TCG_COND_GE, t1, 0, lab);
4037 generate_exception(ctx, EXCP_OVERFLOW);
4038 gen_set_label(lab);
4039 break;
4040 }
4041
4042 case OPC_SUB_CP2:
4043 case OPC_DSUB_CP2:
4044 {
4045 TCGv_i64 t2 = tcg_temp_new_i64();
4046 TCGLabel *lab = gen_new_label();
4047
4048 tcg_gen_mov_i64(t2, t0);
4049 tcg_gen_sub_i64(t0, t1, t2);
4050 if (opc == OPC_SUB_CP2) {
4051 tcg_gen_ext32s_i64(t0, t0);
4052 }
4053 tcg_gen_xor_i64(t1, t1, t2);
4054 tcg_gen_xor_i64(t2, t2, t0);
4055 tcg_gen_and_i64(t1, t1, t2);
4056 tcg_temp_free_i64(t2);
4057 tcg_gen_brcondi_i64(TCG_COND_GE, t1, 0, lab);
4058 generate_exception(ctx, EXCP_OVERFLOW);
4059 gen_set_label(lab);
4060 break;
4061 }
4062
4063 case OPC_PMULUW:
4064 tcg_gen_ext32u_i64(t0, t0);
4065 tcg_gen_ext32u_i64(t1, t1);
4066 tcg_gen_mul_i64(t0, t0, t1);
4067 break;
4068
4069 case OPC_SEQU_CP2:
4070 case OPC_SEQ_CP2:
4071 case OPC_SLTU_CP2:
4072 case OPC_SLT_CP2:
4073 case OPC_SLEU_CP2:
4074 case OPC_SLE_CP2:
4075 /* ??? Document is unclear: Set FCC[CC]. Does that mean the
4076 FD field is the CC field? */
4077 default:
4078 MIPS_INVAL("loongson_cp2");
4079 generate_exception_end(ctx, EXCP_RI);
4080 return;
4081 }
4082
4083 #undef LMI_HELPER
4084 #undef LMI_DIRECT
4085
4086 gen_store_fpr64(ctx, t0, rd);
4087
4088 tcg_temp_free_i64(t0);
4089 tcg_temp_free_i64(t1);
4090 }
4091
4092 /* Traps */
4093 static void gen_trap (DisasContext *ctx, uint32_t opc,
4094 int rs, int rt, int16_t imm)
4095 {
4096 int cond;
4097 TCGv t0 = tcg_temp_new();
4098 TCGv t1 = tcg_temp_new();
4099
4100 cond = 0;
4101 /* Load needed operands */
4102 switch (opc) {
4103 case OPC_TEQ:
4104 case OPC_TGE:
4105 case OPC_TGEU:
4106 case OPC_TLT:
4107 case OPC_TLTU:
4108 case OPC_TNE:
4109 /* Compare two registers */
4110 if (rs != rt) {
4111 gen_load_gpr(t0, rs);
4112 gen_load_gpr(t1, rt);
4113 cond = 1;
4114 }
4115 break;
4116 case OPC_TEQI:
4117 case OPC_TGEI:
4118 case OPC_TGEIU:
4119 case OPC_TLTI:
4120 case OPC_TLTIU:
4121 case OPC_TNEI:
4122 /* Compare register to immediate */
4123 if (rs != 0 || imm != 0) {
4124 gen_load_gpr(t0, rs);
4125 tcg_gen_movi_tl(t1, (int32_t)imm);
4126 cond = 1;
4127 }
4128 break;
4129 }
4130 if (cond == 0) {
4131 switch (opc) {
4132 case OPC_TEQ: /* rs == rs */
4133 case OPC_TEQI: /* r0 == 0 */
4134 case OPC_TGE: /* rs >= rs */
4135 case OPC_TGEI: /* r0 >= 0 */
4136 case OPC_TGEU: /* rs >= rs unsigned */
4137 case OPC_TGEIU: /* r0 >= 0 unsigned */
4138 /* Always trap */
4139 generate_exception_end(ctx, EXCP_TRAP);
4140 break;
4141 case OPC_TLT: /* rs < rs */
4142 case OPC_TLTI: /* r0 < 0 */
4143 case OPC_TLTU: /* rs < rs unsigned */
4144 case OPC_TLTIU: /* r0 < 0 unsigned */
4145 case OPC_TNE: /* rs != rs */
4146 case OPC_TNEI: /* r0 != 0 */
4147 /* Never trap: treat as NOP. */
4148 break;
4149 }
4150 } else {
4151 TCGLabel *l1 = gen_new_label();
4152
4153 switch (opc) {
4154 case OPC_TEQ:
4155 case OPC_TEQI:
4156 tcg_gen_brcond_tl(TCG_COND_NE, t0, t1, l1);
4157 break;
4158 case OPC_TGE:
4159 case OPC_TGEI:
4160 tcg_gen_brcond_tl(TCG_COND_LT, t0, t1, l1);
4161 break;
4162 case OPC_TGEU:
4163 case OPC_TGEIU:
4164 tcg_gen_brcond_tl(TCG_COND_LTU, t0, t1, l1);
4165 break;
4166 case OPC_TLT:
4167 case OPC_TLTI:
4168 tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1);
4169 break;
4170 case OPC_TLTU:
4171 case OPC_TLTIU:
4172 tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1);
4173 break;
4174 case OPC_TNE:
4175 case OPC_TNEI:
4176 tcg_gen_brcond_tl(TCG_COND_EQ, t0, t1, l1);
4177 break;
4178 }
4179 generate_exception(ctx, EXCP_TRAP);
4180 gen_set_label(l1);
4181 }
4182 tcg_temp_free(t0);
4183 tcg_temp_free(t1);
4184 }
4185
4186 static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
4187 {
4188 TranslationBlock *tb;
4189 tb = ctx->tb;
4190 if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK) &&
4191 likely(!ctx->singlestep_enabled)) {
4192 tcg_gen_goto_tb(n);
4193 gen_save_pc(dest);
4194 tcg_gen_exit_tb((uintptr_t)tb + n);
4195 } else {
4196 gen_save_pc(dest);
4197 if (ctx->singlestep_enabled) {
4198 save_cpu_state(ctx, 0);
4199 gen_helper_raise_exception_debug(cpu_env);
4200 }
4201 tcg_gen_exit_tb(0);
4202 }
4203 }
4204
4205 /* Branches (before delay slot) */
4206 static void gen_compute_branch (DisasContext *ctx, uint32_t opc,
4207 int insn_bytes,
4208 int rs, int rt, int32_t offset,
4209 int delayslot_size)
4210 {
4211 target_ulong btgt = -1;
4212 int blink = 0;
4213 int bcond_compute = 0;
4214 TCGv t0 = tcg_temp_new();
4215 TCGv t1 = tcg_temp_new();
4216
4217 if (ctx->hflags & MIPS_HFLAG_BMASK) {
4218 #ifdef MIPS_DEBUG_DISAS
4219 LOG_DISAS("Branch in delay / forbidden slot at PC 0x"
4220 TARGET_FMT_lx "\n", ctx->pc);
4221 #endif
4222 generate_exception_end(ctx, EXCP_RI);
4223 goto out;
4224 }
4225
4226 /* Load needed operands */
4227 switch (opc) {
4228 case OPC_BEQ:
4229 case OPC_BEQL:
4230 case OPC_BNE:
4231 case OPC_BNEL:
4232 /* Compare two registers */
4233 if (rs != rt) {
4234 gen_load_gpr(t0, rs);
4235 gen_load_gpr(t1, rt);
4236 bcond_compute = 1;
4237 }
4238 btgt = ctx->pc + insn_bytes + offset;
4239 break;
4240 case OPC_BGEZ:
4241 case OPC_BGEZAL:
4242 case OPC_BGEZALL:
4243 case OPC_BGEZL:
4244 case OPC_BGTZ:
4245 case OPC_BGTZL:
4246 case OPC_BLEZ:
4247 case OPC_BLEZL:
4248 case OPC_BLTZ:
4249 case OPC_BLTZAL:
4250 case OPC_BLTZALL:
4251 case OPC_BLTZL:
4252 /* Compare to zero */
4253 if (rs != 0) {
4254 gen_load_gpr(t0, rs);
4255 bcond_compute = 1;
4256 }
4257 btgt = ctx->pc + insn_bytes + offset;
4258 break;
4259 case OPC_BPOSGE32:
4260 #if defined(TARGET_MIPS64)
4261 case OPC_BPOSGE64:
4262 tcg_gen_andi_tl(t0, cpu_dspctrl, 0x7F);
4263 #else
4264 tcg_gen_andi_tl(t0, cpu_dspctrl, 0x3F);
4265 #endif
4266 bcond_compute = 1;
4267 btgt = ctx->pc + insn_bytes + offset;
4268 break;
4269 case OPC_J:
4270 case OPC_JAL:
4271 case OPC_JALX:
4272 /* Jump to immediate */
4273 btgt = ((ctx->pc + insn_bytes) & (int32_t)0xF0000000) | (uint32_t)offset;
4274 break;
4275 case OPC_JR:
4276 case OPC_JALR:
4277 /* Jump to register */
4278 if (offset != 0 && offset != 16) {
4279 /* Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the
4280 others are reserved. */
4281 MIPS_INVAL("jump hint");
4282 generate_exception_end(ctx, EXCP_RI);
4283 goto out;
4284 }
4285 gen_load_gpr(btarget, rs);
4286 break;
4287 default:
4288 MIPS_INVAL("branch/jump");
4289 generate_exception_end(ctx, EXCP_RI);
4290 goto out;
4291 }
4292 if (bcond_compute == 0) {
4293 /* No condition to be computed */
4294 switch (opc) {
4295 case OPC_BEQ: /* rx == rx */
4296 case OPC_BEQL: /* rx == rx likely */
4297 case OPC_BGEZ: /* 0 >= 0 */
4298 case OPC_BGEZL: /* 0 >= 0 likely */
4299 case OPC_BLEZ: /* 0 <= 0 */
4300 case OPC_BLEZL: /* 0 <= 0 likely */
4301 /* Always take */
4302 ctx->hflags |= MIPS_HFLAG_B;
4303 break;
4304 case OPC_BGEZAL: /* 0 >= 0 */
4305 case OPC_BGEZALL: /* 0 >= 0 likely */
4306 /* Always take and link */
4307 blink = 31;
4308 ctx->hflags |= MIPS_HFLAG_B;
4309 break;
4310 case OPC_BNE: /* rx != rx */
4311 case OPC_BGTZ: /* 0 > 0 */
4312 case OPC_BLTZ: /* 0 < 0 */
4313 /* Treat as NOP. */
4314 goto out;
4315 case OPC_BLTZAL: /* 0 < 0 */
4316 /* Handle as an unconditional branch to get correct delay
4317 slot checking. */
4318 blink = 31;
4319 btgt = ctx->pc + insn_bytes + delayslot_size;
4320 ctx->hflags |= MIPS_HFLAG_B;
4321 break;
4322 case OPC_BLTZALL: /* 0 < 0 likely */
4323 tcg_gen_movi_tl(cpu_gpr[31], ctx->pc + 8);
4324 /* Skip the instruction in the delay slot */
4325 ctx->pc += 4;
4326 goto out;
4327 case OPC_BNEL: /* rx != rx likely */
4328 case OPC_BGTZL: /* 0 > 0 likely */
4329 case OPC_BLTZL: /* 0 < 0 likely */
4330 /* Skip the instruction in the delay slot */
4331 ctx->pc += 4;
4332 goto out;
4333 case OPC_J:
4334 ctx->hflags |= MIPS_HFLAG_B;
4335 break;
4336 case OPC_JALX:
4337 ctx->hflags |= MIPS_HFLAG_BX;
4338 /* Fallthrough */
4339 case OPC_JAL:
4340 blink = 31;
4341 ctx->hflags |= MIPS_HFLAG_B;
4342 break;
4343 case OPC_JR:
4344 ctx->hflags |= MIPS_HFLAG_BR;
4345 break;
4346 case OPC_JALR:
4347 blink = rt;
4348 ctx->hflags |= MIPS_HFLAG_BR;
4349 break;
4350 default:
4351 MIPS_INVAL("branch/jump");
4352 generate_exception_end(ctx, EXCP_RI);
4353 goto out;
4354 }
4355 } else {
4356 switch (opc) {
4357 case OPC_BEQ:
4358 tcg_gen_setcond_tl(TCG_COND_EQ, bcond, t0, t1);
4359 goto not_likely;
4360 case OPC_BEQL:
4361 tcg_gen_setcond_tl(TCG_COND_EQ, bcond, t0, t1);
4362 goto likely;
4363 case OPC_BNE:
4364 tcg_gen_setcond_tl(TCG_COND_NE, bcond, t0, t1);
4365 goto not_likely;
4366 case OPC_BNEL:
4367 tcg_gen_setcond_tl(TCG_COND_NE, bcond, t0, t1);
4368 goto likely;
4369 case OPC_BGEZ:
4370 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
4371 goto not_likely;
4372 case OPC_BGEZL:
4373 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
4374 goto likely;
4375 case OPC_BGEZAL:
4376 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
4377 blink = 31;
4378 goto not_likely;
4379 case OPC_BGEZALL:
4380 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
4381 blink = 31;
4382 goto likely;
4383 case OPC_BGTZ:
4384 tcg_gen_setcondi_tl(TCG_COND_GT, bcond, t0, 0);
4385 goto not_likely;
4386 case OPC_BGTZL:
4387 tcg_gen_setcondi_tl(TCG_COND_GT, bcond, t0, 0);
4388 goto likely;
4389 case OPC_BLEZ:
4390 tcg_gen_setcondi_tl(TCG_COND_LE, bcond, t0, 0);
4391 goto not_likely;
4392 case OPC_BLEZL:
4393 tcg_gen_setcondi_tl(TCG_COND_LE, bcond, t0, 0);
4394 goto likely;
4395 case OPC_BLTZ:
4396 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
4397 goto not_likely;
4398 case OPC_BLTZL:
4399 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
4400 goto likely;
4401 case OPC_BPOSGE32:
4402 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 32);
4403 goto not_likely;
4404 #if defined(TARGET_MIPS64)
4405 case OPC_BPOSGE64:
4406 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 64);
4407 goto not_likely;
4408 #endif
4409 case OPC_BLTZAL:
4410 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
4411 blink = 31;
4412 not_likely:
4413 ctx->hflags |= MIPS_HFLAG_BC;
4414 break;
4415 case OPC_BLTZALL:
4416 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
4417 blink = 31;
4418 likely:
4419 ctx->hflags |= MIPS_HFLAG_BL;
4420 break;
4421 default:
4422 MIPS_INVAL("conditional branch/jump");
4423 generate_exception_end(ctx, EXCP_RI);
4424 goto out;
4425 }
4426 }
4427
4428 ctx->btarget = btgt;
4429
4430 switch (delayslot_size) {
4431 case 2:
4432 ctx->hflags |= MIPS_HFLAG_BDS16;
4433 break;
4434 case 4:
4435 ctx->hflags |= MIPS_HFLAG_BDS32;
4436 break;
4437 }
4438
4439 if (blink > 0) {
4440 int post_delay = insn_bytes + delayslot_size;
4441 int lowbit = !!(ctx->hflags & MIPS_HFLAG_M16);
4442
4443 tcg_gen_movi_tl(cpu_gpr[blink], ctx->pc + post_delay + lowbit);
4444 }
4445
4446 out:
4447 if (insn_bytes == 2)
4448 ctx->hflags |= MIPS_HFLAG_B16;
4449 tcg_temp_free(t0);
4450 tcg_temp_free(t1);
4451 }
4452
4453 /* special3 bitfield operations */
4454 static void gen_bitops (DisasContext *ctx, uint32_t opc, int rt,
4455 int rs, int lsb, int msb)
4456 {
4457 TCGv t0 = tcg_temp_new();
4458 TCGv t1 = tcg_temp_new();
4459
4460 gen_load_gpr(t1, rs);
4461 switch (opc) {
4462 case OPC_EXT:
4463 if (lsb + msb > 31) {
4464 goto fail;
4465 }
4466 tcg_gen_shri_tl(t0, t1, lsb);
4467 if (msb != 31) {
4468 tcg_gen_andi_tl(t0, t0, (1U << (msb + 1)) - 1);
4469 } else {
4470 tcg_gen_ext32s_tl(t0, t0);
4471 }
4472 break;
4473 #if defined(TARGET_MIPS64)
4474 case OPC_DEXTU:
4475 lsb += 32;
4476 goto do_dext;
4477 case OPC_DEXTM:
4478 msb += 32;
4479 goto do_dext;
4480 case OPC_DEXT:
4481 do_dext:
4482 if (lsb + msb > 63) {
4483 goto fail;
4484 }
4485 tcg_gen_shri_tl(t0, t1, lsb);
4486 if (msb != 63) {
4487 tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1)) - 1);
4488 }
4489 break;
4490 #endif
4491 case OPC_INS:
4492 if (lsb > msb) {
4493 goto fail;
4494 }
4495 gen_load_gpr(t0, rt);
4496 tcg_gen_deposit_tl(t0, t0, t1, lsb, msb - lsb + 1);
4497 tcg_gen_ext32s_tl(t0, t0);
4498 break;
4499 #if defined(TARGET_MIPS64)
4500 case OPC_DINSU:
4501 lsb += 32;
4502 /* FALLTHRU */
4503 case OPC_DINSM:
4504 msb += 32;
4505 /* FALLTHRU */
4506 case OPC_DINS:
4507 if (lsb > msb) {
4508 goto fail;
4509 }
4510 gen_load_gpr(t0, rt);
4511 tcg_gen_deposit_tl(t0, t0, t1, lsb, msb - lsb + 1);
4512 break;
4513 #endif
4514 default:
4515 fail:
4516 MIPS_INVAL("bitops");
4517 generate_exception_end(ctx, EXCP_RI);
4518 tcg_temp_free(t0);
4519 tcg_temp_free(t1);
4520 return;
4521 }
4522 gen_store_gpr(t0, rt);
4523 tcg_temp_free(t0);
4524 tcg_temp_free(t1);
4525 }
4526
4527 static void gen_bshfl (DisasContext *ctx, uint32_t op2, int rt, int rd)
4528 {
4529 TCGv t0;
4530
4531 if (rd == 0) {
4532 /* If no destination, treat it as a NOP. */
4533 return;
4534 }
4535
4536 t0 = tcg_temp_new();
4537 gen_load_gpr(t0, rt);
4538 switch (op2) {
4539 case OPC_WSBH:
4540 {
4541 TCGv t1 = tcg_temp_new();
4542
4543 tcg_gen_shri_tl(t1, t0, 8);
4544 tcg_gen_andi_tl(t1, t1, 0x00FF00FF);
4545 tcg_gen_shli_tl(t0, t0, 8);
4546 tcg_gen_andi_tl(t0, t0, ~0x00FF00FF);
4547 tcg_gen_or_tl(t0, t0, t1);
4548 tcg_temp_free(t1);
4549 tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
4550 }
4551 break;
4552 case OPC_SEB:
4553 tcg_gen_ext8s_tl(cpu_gpr[rd], t0);
4554 break;
4555 case OPC_SEH:
4556 tcg_gen_ext16s_tl(cpu_gpr[rd], t0);
4557 break;
4558 #if defined(TARGET_MIPS64)
4559 case OPC_DSBH:
4560 {
4561 TCGv t1 = tcg_temp_new();
4562
4563 tcg_gen_shri_tl(t1, t0, 8);
4564 tcg_gen_andi_tl(t1, t1, 0x00FF00FF00FF00FFULL);
4565 tcg_gen_shli_tl(t0, t0, 8);
4566 tcg_gen_andi_tl(t0, t0, ~0x00FF00FF00FF00FFULL);
4567 tcg_gen_or_tl(cpu_gpr[rd], t0, t1);
4568 tcg_temp_free(t1);
4569 }
4570 break;
4571 case OPC_DSHD:
4572 {
4573 TCGv t1 = tcg_temp_new();
4574
4575 tcg_gen_shri_tl(t1, t0, 16);
4576 tcg_gen_andi_tl(t1, t1, 0x0000FFFF0000FFFFULL);
4577 tcg_gen_shli_tl(t0, t0, 16);
4578 tcg_gen_andi_tl(t0, t0, ~0x0000FFFF0000FFFFULL);
4579 tcg_gen_or_tl(t0, t0, t1);
4580 tcg_gen_shri_tl(t1, t0, 32);
4581 tcg_gen_shli_tl(t0, t0, 32);
4582 tcg_gen_or_tl(cpu_gpr[rd], t0, t1);
4583 tcg_temp_free(t1);
4584 }
4585 break;
4586 #endif
4587 default:
4588 MIPS_INVAL("bsfhl");
4589 generate_exception_end(ctx, EXCP_RI);
4590 tcg_temp_free(t0);
4591 return;
4592 }
4593 tcg_temp_free(t0);
4594 }
4595
4596 static void gen_lsa(DisasContext *ctx, int opc, int rd, int rs, int rt,
4597 int imm2)
4598 {
4599 TCGv t0;
4600 TCGv t1;
4601 if (rd == 0) {
4602 /* Treat as NOP. */
4603 return;
4604 }
4605 t0 = tcg_temp_new();
4606 t1 = tcg_temp_new();
4607 gen_load_gpr(t0, rs);
4608 gen_load_gpr(t1, rt);
4609 tcg_gen_shli_tl(t0, t0, imm2 + 1);
4610 tcg_gen_add_tl(cpu_gpr[rd], t0, t1);
4611 if (opc == OPC_LSA) {
4612 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
4613 }
4614
4615 tcg_temp_free(t1);
4616 tcg_temp_free(t0);
4617
4618 return;
4619 }
4620
4621 static void gen_align(DisasContext *ctx, int opc, int rd, int rs, int rt,
4622 int bp)
4623 {
4624 TCGv t0;
4625 if (rd == 0) {
4626 /* Treat as NOP. */
4627 return;
4628 }
4629 t0 = tcg_temp_new();
4630 gen_load_gpr(t0, rt);
4631 if (bp == 0) {
4632 tcg_gen_mov_tl(cpu_gpr[rd], t0);
4633 } else {
4634 TCGv t1 = tcg_temp_new();
4635 gen_load_gpr(t1, rs);
4636 switch (opc) {
4637 case OPC_ALIGN:
4638 {
4639 TCGv_i64 t2 = tcg_temp_new_i64();
4640 tcg_gen_concat_tl_i64(t2, t1, t0);
4641 tcg_gen_shri_i64(t2, t2, 8 * (4 - bp));
4642 gen_move_low32(cpu_gpr[rd], t2);
4643 tcg_temp_free_i64(t2);
4644 }
4645 break;
4646 #if defined(TARGET_MIPS64)
4647 case OPC_DALIGN:
4648 tcg_gen_shli_tl(t0, t0, 8 * bp);
4649 tcg_gen_shri_tl(t1, t1, 8 * (8 - bp));
4650 tcg_gen_or_tl(cpu_gpr[rd], t1, t0);
4651 break;
4652 #endif
4653 }
4654 tcg_temp_free(t1);
4655 }
4656
4657 tcg_temp_free(t0);
4658 }
4659
4660 static void gen_bitswap(DisasContext *ctx, int opc, int rd, int rt)
4661 {
4662 TCGv t0;
4663 if (rd == 0) {
4664 /* Treat as NOP. */
4665 return;
4666 }
4667 t0 = tcg_temp_new();
4668 gen_load_gpr(t0, rt);
4669 switch (opc) {
4670 case OPC_BITSWAP:
4671 gen_helper_bitswap(cpu_gpr[rd], t0);
4672 break;
4673 #if defined(TARGET_MIPS64)
4674 case OPC_DBITSWAP:
4675 gen_helper_dbitswap(cpu_gpr[rd], t0);
4676 break;
4677 #endif
4678 }
4679 tcg_temp_free(t0);
4680 }
4681
4682 #ifndef CONFIG_USER_ONLY
4683 /* CP0 (MMU and control) */
4684 static inline void gen_mthc0_entrylo(TCGv arg, target_ulong off)
4685 {
4686 TCGv_i64 t0 = tcg_temp_new_i64();
4687 TCGv_i64 t1 = tcg_temp_new_i64();
4688
4689 tcg_gen_ext_tl_i64(t0, arg);
4690 tcg_gen_ld_i64(t1, cpu_env, off);
4691 #if defined(TARGET_MIPS64)
4692 tcg_gen_deposit_i64(t1, t1, t0, 30, 32);
4693 #else
4694 tcg_gen_concat32_i64(t1, t1, t0);
4695 #endif
4696 tcg_gen_st_i64(t1, cpu_env, off);
4697 tcg_temp_free_i64(t1);
4698 tcg_temp_free_i64(t0);
4699 }
4700
4701 static inline void gen_mthc0_store64(TCGv arg, target_ulong off)
4702 {
4703 TCGv_i64 t0 = tcg_temp_new_i64();
4704 TCGv_i64 t1 = tcg_temp_new_i64();
4705
4706 tcg_gen_ext_tl_i64(t0, arg);
4707 tcg_gen_ld_i64(t1, cpu_env, off);
4708 tcg_gen_concat32_i64(t1, t1, t0);
4709 tcg_gen_st_i64(t1, cpu_env, off);
4710 tcg_temp_free_i64(t1);
4711 tcg_temp_free_i64(t0);
4712 }
4713
4714 static inline void gen_mfhc0_entrylo(TCGv arg, target_ulong off)
4715 {
4716 TCGv_i64 t0 = tcg_temp_new_i64();
4717
4718 tcg_gen_ld_i64(t0, cpu_env, off);
4719 #if defined(TARGET_MIPS64)
4720 tcg_gen_shri_i64(t0, t0, 30);
4721 #else
4722 tcg_gen_shri_i64(t0, t0, 32);
4723 #endif
4724 gen_move_low32(arg, t0);
4725 tcg_temp_free_i64(t0);
4726 }
4727
4728 static inline void gen_mfhc0_load64(TCGv arg, target_ulong off, int shift)
4729 {
4730 TCGv_i64 t0 = tcg_temp_new_i64();
4731
4732 tcg_gen_ld_i64(t0, cpu_env, off);
4733 tcg_gen_shri_i64(t0, t0, 32 + shift);
4734 gen_move_low32(arg, t0);
4735 tcg_temp_free_i64(t0);
4736 }
4737
4738 static inline void gen_mfc0_load32 (TCGv arg, target_ulong off)
4739 {
4740 TCGv_i32 t0 = tcg_temp_new_i32();
4741
4742 tcg_gen_ld_i32(t0, cpu_env, off);
4743 tcg_gen_ext_i32_tl(arg, t0);
4744 tcg_temp_free_i32(t0);
4745 }
4746
4747 static inline void gen_mfc0_load64 (TCGv arg, target_ulong off)
4748 {
4749 tcg_gen_ld_tl(arg, cpu_env, off);
4750 tcg_gen_ext32s_tl(arg, arg);
4751 }
4752
4753 static inline void gen_mtc0_store32 (TCGv arg, target_ulong off)
4754 {
4755 TCGv_i32 t0 = tcg_temp_new_i32();
4756
4757 tcg_gen_trunc_tl_i32(t0, arg);
4758 tcg_gen_st_i32(t0, cpu_env, off);
4759 tcg_temp_free_i32(t0);
4760 }
4761
4762 static void gen_mfhc0(DisasContext *ctx, TCGv arg, int reg, int sel)
4763 {
4764 const char *rn = "invalid";
4765
4766 if (!(ctx->hflags & MIPS_HFLAG_ELPA)) {
4767 goto mfhc0_read_zero;
4768 }
4769
4770 switch (reg) {
4771 case 2:
4772 switch (sel) {
4773 case 0:
4774 gen_mfhc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo0));
4775 rn = "EntryLo0";
4776 break;
4777 default:
4778 goto mfhc0_read_zero;
4779 }
4780 break;
4781 case 3:
4782 switch (sel) {
4783 case 0:
4784 gen_mfhc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo1));
4785 rn = "EntryLo1";
4786 break;
4787 default:
4788 goto mfhc0_read_zero;
4789 }
4790 break;
4791 case 17:
4792 switch (sel) {
4793 case 0:
4794 gen_mfhc0_load64(arg, offsetof(CPUMIPSState, lladdr),
4795 ctx->CP0_LLAddr_shift);
4796 rn = "LLAddr";
4797 break;
4798 default:
4799 goto mfhc0_read_zero;
4800 }
4801 break;
4802 case 28:
4803 switch (sel) {
4804 case 0:
4805 case 2:
4806 case 4:
4807 case 6:
4808 gen_mfhc0_load64(arg, offsetof(CPUMIPSState, CP0_TagLo), 0);
4809 rn = "TagLo";
4810 break;
4811 default:
4812 goto mfhc0_read_zero;
4813 }
4814 break;
4815 default:
4816 goto mfhc0_read_zero;
4817 }
4818
4819 (void)rn; /* avoid a compiler warning */
4820 LOG_DISAS("mfhc0 %s (reg %d sel %d)\n", rn, reg, sel);
4821 return;
4822
4823 mfhc0_read_zero:
4824 LOG_DISAS("mfhc0 %s (reg %d sel %d)\n", rn, reg, sel);
4825 tcg_gen_movi_tl(arg, 0);
4826 }
4827
4828 static void gen_mthc0(DisasContext *ctx, TCGv arg, int reg, int sel)
4829 {
4830 const char *rn = "invalid";
4831 uint64_t mask = ctx->PAMask >> 36;
4832
4833 if (!(ctx->hflags & MIPS_HFLAG_ELPA)) {
4834 goto mthc0_nop;
4835 }
4836
4837 switch (reg) {
4838 case 2:
4839 switch (sel) {
4840 case 0:
4841 tcg_gen_andi_tl(arg, arg, mask);
4842 gen_mthc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo0));
4843 rn = "EntryLo0";
4844 break;
4845 default:
4846 goto mthc0_nop;
4847 }
4848 break;
4849 case 3:
4850 switch (sel) {
4851 case 0:
4852 tcg_gen_andi_tl(arg, arg, mask);
4853 gen_mthc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo1));
4854 rn = "EntryLo1";
4855 break;
4856 default:
4857 goto mthc0_nop;
4858 }
4859 break;
4860 case 17:
4861 switch (sel) {
4862 case 0:
4863 /* LLAddr is read-only (the only exception is bit 0 if LLB is
4864 supported); the CP0_LLAddr_rw_bitmask does not seem to be
4865 relevant for modern MIPS cores supporting MTHC0, therefore
4866 treating MTHC0 to LLAddr as NOP. */
4867 rn = "LLAddr";
4868 break;
4869 default:
4870 goto mthc0_nop;
4871 }
4872 break;
4873 case 28:
4874 switch (sel) {
4875 case 0:
4876 case 2:
4877 case 4:
4878 case 6:
4879 tcg_gen_andi_tl(arg, arg, mask);
4880 gen_mthc0_store64(arg, offsetof(CPUMIPSState, CP0_TagLo));
4881 rn = "TagLo";
4882 break;
4883 default:
4884 goto mthc0_nop;
4885 }
4886 break;
4887 default:
4888 goto mthc0_nop;
4889 }
4890
4891 (void)rn; /* avoid a compiler warning */
4892 mthc0_nop:
4893 LOG_DISAS("mthc0 %s (reg %d sel %d)\n", rn, reg, sel);
4894 }
4895
4896 static inline void gen_mfc0_unimplemented(DisasContext *ctx, TCGv arg)
4897 {
4898 if (ctx->insn_flags & ISA_MIPS32R6) {
4899 tcg_gen_movi_tl(arg, 0);
4900 } else {
4901 tcg_gen_movi_tl(arg, ~0);
4902 }
4903 }
4904
4905 #define CP0_CHECK(c) \
4906 do { \
4907 if (!(c)) { \
4908 goto cp0_unimplemented; \
4909 } \
4910 } while (0)
4911
4912 static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
4913 {
4914 const char *rn = "invalid";
4915
4916 if (sel != 0)
4917 check_insn(ctx, ISA_MIPS32);
4918
4919 switch (reg) {
4920 case 0:
4921 switch (sel) {
4922 case 0:
4923 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Index));
4924 rn = "Index";
4925 break;
4926 case 1:
4927 CP0_CHECK(ctx->insn_flags & ASE_MT);
4928 gen_helper_mfc0_mvpcontrol(arg, cpu_env);
4929 rn = "MVPControl";
4930 break;
4931 case 2:
4932 CP0_CHECK(ctx->insn_flags & ASE_MT);
4933 gen_helper_mfc0_mvpconf0(arg, cpu_env);
4934 rn = "MVPConf0";
4935 break;
4936 case 3:
4937 CP0_CHECK(ctx->insn_flags & ASE_MT);
4938 gen_helper_mfc0_mvpconf1(arg, cpu_env);
4939 rn = "MVPConf1";
4940 break;
4941 default:
4942 goto cp0_unimplemented;
4943 }
4944 break;
4945 case 1:
4946 switch (sel) {
4947 case 0:
4948 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS32R6));
4949 gen_helper_mfc0_random(arg, cpu_env);
4950 rn = "Random";
4951 break;
4952 case 1:
4953 CP0_CHECK(ctx->insn_flags & ASE_MT);
4954 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEControl));
4955 rn = "VPEControl";
4956 break;
4957 case 2:
4958 CP0_CHECK(ctx->insn_flags & ASE_MT);
4959 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf0));
4960 rn = "VPEConf0";
4961 break;
4962 case 3:
4963 CP0_CHECK(ctx->insn_flags & ASE_MT);
4964 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf1));
4965 rn = "VPEConf1";
4966 break;
4967 case 4:
4968 CP0_CHECK(ctx->insn_flags & ASE_MT);
4969 gen_mfc0_load64(arg, offsetof(CPUMIPSState, CP0_YQMask));
4970 rn = "YQMask";
4971 break;
4972 case 5:
4973 CP0_CHECK(ctx->insn_flags & ASE_MT);
4974 gen_mfc0_load64(arg, offsetof(CPUMIPSState, CP0_VPESchedule));
4975 rn = "VPESchedule";
4976 break;
4977 case 6:
4978 CP0_CHECK(ctx->insn_flags & ASE_MT);
4979 gen_mfc0_load64(arg, offsetof(CPUMIPSState, CP0_VPEScheFBack));
4980 rn = "VPEScheFBack";
4981 break;
4982 case 7:
4983 CP0_CHECK(ctx->insn_flags & ASE_MT);
4984 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEOpt));
4985 rn = "VPEOpt";
4986 break;
4987 default:
4988 goto cp0_unimplemented;
4989 }
4990 break;
4991 case 2:
4992 switch (sel) {
4993 case 0:
4994 {
4995 TCGv_i64 tmp = tcg_temp_new_i64();
4996 tcg_gen_ld_i64(tmp, cpu_env,
4997 offsetof(CPUMIPSState, CP0_EntryLo0));
4998 #if defined(TARGET_MIPS64)
4999 if (ctx->rxi) {
5000 /* Move RI/XI fields to bits 31:30 */
5001 tcg_gen_shri_tl(arg, tmp, CP0EnLo_XI);
5002 tcg_gen_deposit_tl(tmp, tmp, arg, 30, 2);
5003 }
5004 #endif
5005 gen_move_low32(arg, tmp);
5006 tcg_temp_free_i64(tmp);
5007 }
5008 rn = "EntryLo0";
5009 break;
5010 case 1:
5011 CP0_CHECK(ctx->insn_flags & ASE_MT);
5012 gen_helper_mfc0_tcstatus(arg, cpu_env);
5013 rn = "TCStatus";
5014 break;
5015 case 2:
5016 CP0_CHECK(ctx->insn_flags & ASE_MT);
5017 gen_helper_mfc0_tcbind(arg, cpu_env);
5018 rn = "TCBind";
5019 break;
5020 case 3:
5021 CP0_CHECK(ctx->insn_flags & ASE_MT);
5022 gen_helper_mfc0_tcrestart(arg, cpu_env);
5023 rn = "TCRestart";
5024 break;
5025 case 4:
5026 CP0_CHECK(ctx->insn_flags & ASE_MT);
5027 gen_helper_mfc0_tchalt(arg, cpu_env);
5028 rn = "TCHalt";
5029 break;
5030 case 5:
5031 CP0_CHECK(ctx->insn_flags & ASE_MT);
5032 gen_helper_mfc0_tccontext(arg, cpu_env);
5033 rn = "TCContext";
5034 break;
5035 case 6:
5036 CP0_CHECK(ctx->insn_flags & ASE_MT);
5037 gen_helper_mfc0_tcschedule(arg, cpu_env);
5038 rn = "TCSchedule";
5039 break;
5040 case 7:
5041 CP0_CHECK(ctx->insn_flags & ASE_MT);
5042 gen_helper_mfc0_tcschefback(arg, cpu_env);
5043 rn = "TCScheFBack";
5044 break;
5045 default:
5046 goto cp0_unimplemented;
5047 }
5048 break;
5049 case 3:
5050 switch (sel) {
5051 case 0:
5052 {
5053 TCGv_i64 tmp = tcg_temp_new_i64();
5054 tcg_gen_ld_i64(tmp, cpu_env,
5055 offsetof(CPUMIPSState, CP0_EntryLo1));
5056 #if defined(TARGET_MIPS64)
5057 if (ctx->rxi) {
5058 /* Move RI/XI fields to bits 31:30 */
5059 tcg_gen_shri_tl(arg, tmp, CP0EnLo_XI);
5060 tcg_gen_deposit_tl(tmp, tmp, arg, 30, 2);
5061 }
5062 #endif
5063 gen_move_low32(arg, tmp);
5064 tcg_temp_free_i64(tmp);
5065 }
5066 rn = "EntryLo1";
5067 break;
5068 default:
5069 goto cp0_unimplemented;
5070 }
5071 break;
5072 case 4:
5073 switch (sel) {
5074 case 0:
5075 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_Context));
5076 tcg_gen_ext32s_tl(arg, arg);
5077 rn = "Context";
5078 break;
5079 case 1:
5080 // gen_helper_mfc0_contextconfig(arg); /* SmartMIPS ASE */
5081 rn = "ContextConfig";
5082 goto cp0_unimplemented;
5083 // break;
5084 case 2:
5085 CP0_CHECK(ctx->ulri);
5086 tcg_gen_ld32s_tl(arg, cpu_env,
5087 offsetof(CPUMIPSState, active_tc.CP0_UserLocal));
5088 rn = "UserLocal";
5089 break;
5090 default:
5091 goto cp0_unimplemented;
5092 }
5093 break;
5094 case 5:
5095 switch (sel) {
5096 case 0:
5097 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageMask));
5098 rn = "PageMask";
5099 break;
5100 case 1:
5101 check_insn(ctx, ISA_MIPS32R2);
5102 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageGrain));
5103 rn = "PageGrain";
5104 break;
5105 default:
5106 goto cp0_unimplemented;
5107 }
5108 break;
5109 case 6:
5110 switch (sel) {
5111 case 0:
5112 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Wired));
5113 rn = "Wired";
5114 break;
5115 case 1:
5116 check_insn(ctx, ISA_MIPS32R2);
5117 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf0));
5118 rn = "SRSConf0";
5119 break;
5120 case 2:
5121 check_insn(ctx, ISA_MIPS32R2);
5122 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf1));
5123 rn = "SRSConf1";
5124 break;
5125 case 3:
5126 check_insn(ctx, ISA_MIPS32R2);
5127 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf2));
5128 rn = "SRSConf2";
5129 break;
5130 case 4:
5131 check_insn(ctx, ISA_MIPS32R2);
5132 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf3));
5133 rn = "SRSConf3";
5134 break;
5135 case 5:
5136 check_insn(ctx, ISA_MIPS32R2);
5137 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf4));
5138 rn = "SRSConf4";
5139 break;
5140 default:
5141 goto cp0_unimplemented;
5142 }
5143 break;
5144 case 7:
5145 switch (sel) {
5146 case 0:
5147 check_insn(ctx, ISA_MIPS32R2);
5148 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_HWREna));
5149 rn = "HWREna";
5150 break;
5151 default:
5152 goto cp0_unimplemented;
5153 }
5154 break;
5155 case 8:
5156 switch (sel) {
5157 case 0:
5158 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_BadVAddr));
5159 tcg_gen_ext32s_tl(arg, arg);
5160 rn = "BadVAddr";
5161 break;
5162 case 1:
5163 CP0_CHECK(ctx->bi);
5164 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstr));
5165 rn = "BadInstr";
5166 break;
5167 case 2:
5168 CP0_CHECK(ctx->bp);
5169 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrP));
5170 rn = "BadInstrP";
5171 break;
5172 default:
5173 goto cp0_unimplemented;
5174 }
5175 break;
5176 case 9:
5177 switch (sel) {
5178 case 0:
5179 /* Mark as an IO operation because we read the time. */
5180 if (ctx->tb->cflags & CF_USE_ICOUNT) {
5181 gen_io_start();
5182 }
5183 gen_helper_mfc0_count(arg, cpu_env);
5184 if (ctx->tb->cflags & CF_USE_ICOUNT) {
5185 gen_io_end();
5186 }
5187 /* Break the TB to be able to take timer interrupts immediately
5188 after reading count. */
5189 ctx->bstate = BS_STOP;
5190 rn = "Count";
5191 break;
5192 /* 6,7 are implementation dependent */
5193 default:
5194 goto cp0_unimplemented;
5195 }
5196 break;
5197 case 10:
5198 switch (sel) {
5199 case 0:
5200 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EntryHi));
5201 tcg_gen_ext32s_tl(arg, arg);
5202 rn = "EntryHi";
5203 break;
5204 default:
5205 goto cp0_unimplemented;
5206 }
5207 break;
5208 case 11:
5209 switch (sel) {
5210 case 0:
5211 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Compare));
5212 rn = "Compare";
5213 break;
5214 /* 6,7 are implementation dependent */
5215 default:
5216 goto cp0_unimplemented;
5217 }
5218 break;
5219 case 12:
5220 switch (sel) {
5221 case 0:
5222 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Status));
5223 rn = "Status";
5224 break;
5225 case 1:
5226 check_insn(ctx, ISA_MIPS32R2);
5227 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_IntCtl));
5228 rn = "IntCtl";
5229 break;
5230 case 2:
5231 check_insn(ctx, ISA_MIPS32R2);
5232 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSCtl));
5233 rn = "SRSCtl";
5234 break;
5235 case 3:
5236 check_insn(ctx, ISA_MIPS32R2);
5237 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSMap));
5238 rn = "SRSMap";
5239 break;
5240 default:
5241 goto cp0_unimplemented;
5242 }
5243 break;
5244 case 13:
5245 switch (sel) {
5246 case 0:
5247 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Cause));
5248 rn = "Cause";
5249 break;
5250 default:
5251 goto cp0_unimplemented;
5252 }
5253 break;
5254 case 14:
5255 switch (sel) {
5256 case 0:
5257 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EPC));
5258 tcg_gen_ext32s_tl(arg, arg);
5259 rn = "EPC";
5260 break;
5261 default:
5262 goto cp0_unimplemented;
5263 }
5264 break;
5265 case 15:
5266 switch (sel) {
5267 case 0:
5268 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PRid));
5269 rn = "PRid";
5270 break;
5271 case 1:
5272 check_insn(ctx, ISA_MIPS32R2);
5273 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_EBase));
5274 rn = "EBase";
5275 break;
5276 default:
5277 goto cp0_unimplemented;
5278 }
5279 break;
5280 case 16:
5281 switch (sel) {
5282 case 0:
5283 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config0));
5284 rn = "Config";
5285 break;
5286 case 1:
5287 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config1));
5288 rn = "Config1";
5289 break;
5290 case 2:
5291 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config2));
5292 rn = "Config2";
5293 break;
5294 case 3:
5295 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config3));
5296 rn = "Config3";
5297 break;
5298 case 4:
5299 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config4));
5300 rn = "Config4";
5301 break;
5302 case 5:
5303 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config5));
5304 rn = "Config5";
5305 break;
5306 /* 6,7 are implementation dependent */
5307 case 6:
5308 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config6));
5309 rn = "Config6";
5310 break;
5311 case 7:
5312 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config7));
5313 rn = "Config7";
5314 break;
5315 default:
5316 goto cp0_unimplemented;
5317 }
5318 break;
5319 case 17:
5320 switch (sel) {
5321 case 0:
5322 gen_helper_mfc0_lladdr(arg, cpu_env);
5323 rn = "LLAddr";
5324 break;
5325 default:
5326 goto cp0_unimplemented;
5327 }
5328 break;
5329 case 18:
5330 switch (sel) {
5331 case 0 ... 7:
5332 gen_helper_1e0i(mfc0_watchlo, arg, sel);
5333 rn = "WatchLo";
5334 break;
5335 default:
5336 goto cp0_unimplemented;
5337 }
5338 break;
5339 case 19:
5340 switch (sel) {
5341 case 0 ...7:
5342 gen_helper_1e0i(mfc0_watchhi, arg, sel);
5343 rn = "WatchHi";
5344 break;
5345 default:
5346 goto cp0_unimplemented;
5347 }
5348 break;
5349 case 20:
5350 switch (sel) {
5351 case 0:
5352 #if defined(TARGET_MIPS64)
5353 check_insn(ctx, ISA_MIPS3);
5354 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_XContext));
5355 tcg_gen_ext32s_tl(arg, arg);
5356 rn = "XContext";
5357 break;
5358 #endif
5359 default:
5360 goto cp0_unimplemented;
5361 }
5362 break;
5363 case 21:
5364 /* Officially reserved, but sel 0 is used for R1x000 framemask */
5365 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS32R6));
5366 switch (sel) {
5367 case 0:
5368 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Framemask));
5369 rn = "Framemask";
5370 break;
5371 default:
5372 goto cp0_unimplemented;
5373 }
5374 break;
5375 case 22:
5376 tcg_gen_movi_tl(arg, 0); /* unimplemented */
5377 rn = "'Diagnostic"; /* implementation dependent */
5378 break;
5379 case 23:
5380 switch (sel) {
5381 case 0:
5382 gen_helper_mfc0_debug(arg, cpu_env); /* EJTAG support */
5383 rn = "Debug";
5384 break;
5385 case 1:
5386 // gen_helper_mfc0_tracecontrol(arg); /* PDtrace support */
5387 rn = "TraceControl";
5388 // break;
5389 case 2:
5390 // gen_helper_mfc0_tracecontrol2(arg); /* PDtrace support */
5391 rn = "TraceControl2";
5392 // break;
5393 case 3:
5394 // gen_helper_mfc0_usertracedata(arg); /* PDtrace support */
5395 rn = "UserTraceData";
5396 // break;
5397 case 4:
5398 // gen_helper_mfc0_tracebpc(arg); /* PDtrace support */
5399 rn = "TraceBPC";
5400 // break;
5401 default:
5402 goto cp0_unimplemented;
5403 }
5404 break;
5405 case 24:
5406 switch (sel) {
5407 case 0:
5408 /* EJTAG support */
5409 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_DEPC));
5410 tcg_gen_ext32s_tl(arg, arg);
5411 rn = "DEPC";
5412 break;
5413 default:
5414 goto cp0_unimplemented;
5415 }
5416 break;
5417 case 25:
5418 switch (sel) {
5419 case 0:
5420 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Performance0));
5421 rn = "Performance0";
5422 break;
5423 case 1:
5424 // gen_helper_mfc0_performance1(arg);
5425 rn = "Performance1";
5426 // break;
5427 case 2:
5428 // gen_helper_mfc0_performance2(arg);
5429 rn = "Performance2";
5430 // break;
5431 case 3:
5432 // gen_helper_mfc0_performance3(arg);
5433 rn = "Performance3";
5434 // break;
5435 case 4:
5436 // gen_helper_mfc0_performance4(arg);
5437 rn = "Performance4";
5438 // break;
5439 case 5:
5440 // gen_helper_mfc0_performance5(arg);
5441 rn = "Performance5";
5442 // break;
5443 case 6:
5444 // gen_helper_mfc0_performance6(arg);
5445 rn = "Performance6";
5446 // break;
5447 case 7:
5448 // gen_helper_mfc0_performance7(arg);
5449 rn = "Performance7";
5450 // break;
5451 default:
5452 goto cp0_unimplemented;
5453 }
5454 break;
5455 case 26:
5456 tcg_gen_movi_tl(arg, 0); /* unimplemented */
5457 rn = "ECC";
5458 break;
5459 case 27:
5460 switch (sel) {
5461 case 0 ... 3:
5462 tcg_gen_movi_tl(arg, 0); /* unimplemented */
5463 rn = "CacheErr";
5464 break;
5465 default:
5466 goto cp0_unimplemented;
5467 }
5468 break;
5469 case 28:
5470 switch (sel) {
5471 case 0:
5472 case 2:
5473 case 4:
5474 case 6:
5475 {
5476 TCGv_i64 tmp = tcg_temp_new_i64();
5477 tcg_gen_ld_i64(tmp, cpu_env, offsetof(CPUMIPSState, CP0_TagLo));
5478 gen_move_low32(arg, tmp);
5479 tcg_temp_free_i64(tmp);
5480 }
5481 rn = "TagLo";
5482 break;
5483 case 1:
5484 case 3:
5485 case 5:
5486 case 7:
5487 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataLo));
5488 rn = "DataLo";
5489 break;
5490 default:
5491 goto cp0_unimplemented;
5492 }
5493 break;
5494 case 29:
5495 switch (sel) {
5496 case 0:
5497 case 2:
5498 case 4:
5499 case 6:
5500 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_TagHi));
5501 rn = "TagHi";
5502 break;
5503 case 1:
5504 case 3:
5505 case 5:
5506 case 7:
5507 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataHi));
5508 rn = "DataHi";
5509 break;
5510 default:
5511 goto cp0_unimplemented;
5512 }
5513 break;
5514 case 30:
5515 switch (sel) {
5516 case 0:
5517 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_ErrorEPC));
5518 tcg_gen_ext32s_tl(arg, arg);
5519 rn = "ErrorEPC";
5520 break;
5521 default:
5522 goto cp0_unimplemented;
5523 }
5524 break;
5525 case 31:
5526 switch (sel) {
5527 case 0:
5528 /* EJTAG support */
5529 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DESAVE));
5530 rn = "DESAVE";
5531 break;
5532 case 2 ... 7:
5533 CP0_CHECK(ctx->kscrexist & (1 << sel));
5534 tcg_gen_ld_tl(arg, cpu_env,
5535 offsetof(CPUMIPSState, CP0_KScratch[sel-2]));
5536 tcg_gen_ext32s_tl(arg, arg);
5537 rn = "KScratch";
5538 break;
5539 default:
5540 goto cp0_unimplemented;
5541 }
5542 break;
5543 default:
5544 goto cp0_unimplemented;
5545 }
5546 (void)rn; /* avoid a compiler warning */
5547 LOG_DISAS("mfc0 %s (reg %d sel %d)\n", rn, reg, sel);
5548 return;
5549
5550 cp0_unimplemented:
5551 LOG_DISAS("mfc0 %s (reg %d sel %d)\n", rn, reg, sel);
5552 gen_mfc0_unimplemented(ctx, arg);
5553 }
5554
5555 static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
5556 {
5557 const char *rn = "invalid";
5558
5559 if (sel != 0)
5560 check_insn(ctx, ISA_MIPS32);
5561
5562 if (ctx->tb->cflags & CF_USE_ICOUNT) {
5563 gen_io_start();
5564 }
5565
5566 switch (reg) {
5567 case 0:
5568 switch (sel) {
5569 case 0:
5570 gen_helper_mtc0_index(cpu_env, arg);
5571 rn = "Index";
5572 break;
5573 case 1:
5574 CP0_CHECK(ctx->insn_flags & ASE_MT);
5575 gen_helper_mtc0_mvpcontrol(cpu_env, arg);
5576 rn = "MVPControl";
5577 break;
5578 case 2:
5579 CP0_CHECK(ctx->insn_flags & ASE_MT);
5580 /* ignored */
5581 rn = "MVPConf0";
5582 break;
5583 case 3:
5584 CP0_CHECK(ctx->insn_flags & ASE_MT);
5585 /* ignored */
5586 rn = "MVPConf1";
5587 break;
5588 default:
5589 goto cp0_unimplemented;
5590 }
5591 break;
5592 case 1:
5593 switch (sel) {
5594 case 0:
5595 /* ignored */
5596 rn = "Random";
5597 break;
5598 case 1:
5599 CP0_CHECK(ctx->insn_flags & ASE_MT);
5600 gen_helper_mtc0_vpecontrol(cpu_env, arg);
5601 rn = "VPEControl";
5602 break;
5603 case 2:
5604 CP0_CHECK(ctx->insn_flags & ASE_MT);
5605 gen_helper_mtc0_vpeconf0(cpu_env, arg);
5606 rn = "VPEConf0";
5607 break;
5608 case 3:
5609 CP0_CHECK(ctx->insn_flags & ASE_MT);
5610 gen_helper_mtc0_vpeconf1(cpu_env, arg);
5611 rn = "VPEConf1";
5612 break;
5613 case 4:
5614 CP0_CHECK(ctx->insn_flags & ASE_MT);
5615 gen_helper_mtc0_yqmask(cpu_env, arg);
5616 rn = "YQMask";
5617 break;
5618 case 5:
5619 CP0_CHECK(ctx->insn_flags & ASE_MT);
5620 tcg_gen_st_tl(arg, cpu_env,
5621 offsetof(CPUMIPSState, CP0_VPESchedule));
5622 rn = "VPESchedule";
5623 break;
5624 case 6:
5625 CP0_CHECK(ctx->insn_flags & ASE_MT);
5626 tcg_gen_st_tl(arg, cpu_env,
5627 offsetof(CPUMIPSState, CP0_VPEScheFBack));
5628 rn = "VPEScheFBack";
5629 break;
5630 case 7:
5631 CP0_CHECK(ctx->insn_flags & ASE_MT);
5632 gen_helper_mtc0_vpeopt(cpu_env, arg);
5633 rn = "VPEOpt";
5634 break;
5635 default:
5636 goto cp0_unimplemented;
5637 }
5638 break;
5639 case 2:
5640 switch (sel) {
5641 case 0:
5642 gen_helper_mtc0_entrylo0(cpu_env, arg);
5643 rn = "EntryLo0";
5644 break;
5645 case 1:
5646 CP0_CHECK(ctx->insn_flags & ASE_MT);
5647 gen_helper_mtc0_tcstatus(cpu_env, arg);
5648 rn = "TCStatus";
5649 break;
5650 case 2:
5651 CP0_CHECK(ctx->insn_flags & ASE_MT);
5652 gen_helper_mtc0_tcbind(cpu_env, arg);
5653 rn = "TCBind";
5654 break;
5655 case 3:
5656 CP0_CHECK(ctx->insn_flags & ASE_MT);
5657 gen_helper_mtc0_tcrestart(cpu_env, arg);
5658 rn = "TCRestart";
5659 break;
5660 case 4:
5661 CP0_CHECK(ctx->insn_flags & ASE_MT);
5662 gen_helper_mtc0_tchalt(cpu_env, arg);
5663 rn = "TCHalt";
5664 break;
5665 case 5:
5666 CP0_CHECK(ctx->insn_flags & ASE_MT);
5667 gen_helper_mtc0_tccontext(cpu_env, arg);
5668 rn = "TCContext";
5669 break;
5670 case 6:
5671 CP0_CHECK(ctx->insn_flags & ASE_MT);
5672 gen_helper_mtc0_tcschedule(cpu_env, arg);
5673 rn = "TCSchedule";
5674 break;
5675 case 7:
5676 CP0_CHECK(ctx->insn_flags & ASE_MT);
5677 gen_helper_mtc0_tcschefback(cpu_env, arg);
5678 rn = "TCScheFBack";
5679 break;
5680 default:
5681 goto cp0_unimplemented;
5682 }
5683 break;
5684 case 3:
5685 switch (sel) {
5686 case 0:
5687 gen_helper_mtc0_entrylo1(cpu_env, arg);
5688 rn = "EntryLo1";
5689 break;
5690 default:
5691 goto cp0_unimplemented;
5692 }
5693 break;
5694 case 4:
5695 switch (sel) {
5696 case 0:
5697 gen_helper_mtc0_context(cpu_env, arg);
5698 rn = "Context";
5699 break;
5700 case 1:
5701 // gen_helper_mtc0_contextconfig(cpu_env, arg); /* SmartMIPS ASE */
5702 rn = "ContextConfig";
5703 goto cp0_unimplemented;
5704 // break;
5705 case 2:
5706 CP0_CHECK(ctx->ulri);
5707 tcg_gen_st_tl(arg, cpu_env,
5708 offsetof(CPUMIPSState, active_tc.CP0_UserLocal));
5709 rn = "UserLocal";
5710 break;
5711 default:
5712 goto cp0_unimplemented;
5713 }
5714 break;
5715 case 5:
5716 switch (sel) {
5717 case 0:
5718 gen_helper_mtc0_pagemask(cpu_env, arg);
5719 rn = "PageMask";
5720 break;
5721 case 1:
5722 check_insn(ctx, ISA_MIPS32R2);
5723 gen_helper_mtc0_pagegrain(cpu_env, arg);
5724 rn = "PageGrain";
5725 ctx->bstate = BS_STOP;
5726 break;
5727 default:
5728 goto cp0_unimplemented;
5729 }
5730 break;
5731 case 6:
5732 switch (sel) {
5733 case 0:
5734 gen_helper_mtc0_wired(cpu_env, arg);
5735 rn = "Wired";
5736 break;
5737 case 1:
5738 check_insn(ctx, ISA_MIPS32R2);
5739 gen_helper_mtc0_srsconf0(cpu_env, arg);
5740 rn = "SRSConf0";
5741 break;
5742 case 2:
5743 check_insn(ctx, ISA_MIPS32R2);
5744 gen_helper_mtc0_srsconf1(cpu_env, arg);
5745 rn = "SRSConf1";
5746 break;
5747 case 3:
5748 check_insn(ctx, ISA_MIPS32R2);
5749 gen_helper_mtc0_srsconf2(cpu_env, arg);
5750 rn = "SRSConf2";
5751 break;
5752 case 4:
5753 check_insn(ctx, ISA_MIPS32R2);
5754 gen_helper_mtc0_srsconf3(cpu_env, arg);
5755 rn = "SRSConf3";
5756 break;
5757 case 5:
5758 check_insn(ctx, ISA_MIPS32R2);
5759 gen_helper_mtc0_srsconf4(cpu_env, arg);
5760 rn = "SRSConf4";
5761 break;
5762 default:
5763 goto cp0_unimplemented;
5764 }
5765 break;
5766 case 7:
5767 switch (sel) {
5768 case 0:
5769 check_insn(ctx, ISA_MIPS32R2);
5770 gen_helper_mtc0_hwrena(cpu_env, arg);
5771 ctx->bstate = BS_STOP;
5772 rn = "HWREna";
5773 break;
5774 default:
5775 goto cp0_unimplemented;
5776 }
5777 break;
5778 case 8:
5779 switch (sel) {
5780 case 0:
5781 /* ignored */
5782 rn = "BadVAddr";
5783 break;
5784 case 1:
5785 /* ignored */
5786 rn = "BadInstr";
5787 break;
5788 case 2:
5789 /* ignored */
5790 rn = "BadInstrP";
5791 break;
5792 default:
5793 goto cp0_unimplemented;
5794 }
5795 break;
5796 case 9:
5797 switch (sel) {
5798 case 0:
5799 gen_helper_mtc0_count(cpu_env, arg);
5800 rn = "Count";
5801 break;
5802 /* 6,7 are implementation dependent */
5803 default:
5804 goto cp0_unimplemented;
5805 }
5806 break;
5807 case 10:
5808 switch (sel) {
5809 case 0:
5810 gen_helper_mtc0_entryhi(cpu_env, arg);
5811 rn = "EntryHi";
5812 break;
5813 default:
5814 goto cp0_unimplemented;
5815 }
5816 break;
5817 case 11:
5818 switch (sel) {
5819 case 0:
5820 gen_helper_mtc0_compare(cpu_env, arg);
5821 rn = "Compare";
5822 break;
5823 /* 6,7 are implementation dependent */
5824 default:
5825 goto cp0_unimplemented;
5826 }
5827 break;
5828 case 12:
5829 switch (sel) {
5830 case 0:
5831 save_cpu_state(ctx, 1);
5832 gen_helper_mtc0_status(cpu_env, arg);
5833 /* BS_STOP isn't good enough here, hflags may have changed. */
5834 gen_save_pc(ctx->pc + 4);
5835 ctx->bstate = BS_EXCP;
5836 rn = "Status";
5837 break;
5838 case 1:
5839 check_insn(ctx, ISA_MIPS32R2);
5840 gen_helper_mtc0_intctl(cpu_env, arg);
5841 /* Stop translation as we may have switched the execution mode */
5842 ctx->bstate = BS_STOP;
5843 rn = "IntCtl";
5844 break;
5845 case 2:
5846 check_insn(ctx, ISA_MIPS32R2);
5847 gen_helper_mtc0_srsctl(cpu_env, arg);
5848 /* Stop translation as we may have switched the execution mode */
5849 ctx->bstate = BS_STOP;
5850 rn = "SRSCtl";
5851 break;
5852 case 3:
5853 check_insn(ctx, ISA_MIPS32R2);
5854 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_SRSMap));
5855 /* Stop translation as we may have switched the execution mode */
5856 ctx->bstate = BS_STOP;
5857 rn = "SRSMap";
5858 break;
5859 default:
5860 goto cp0_unimplemented;
5861 }
5862 break;
5863 case 13:
5864 switch (sel) {
5865 case 0:
5866 save_cpu_state(ctx, 1);
5867 gen_helper_mtc0_cause(cpu_env, arg);
5868 rn = "Cause";
5869 break;
5870 default:
5871 goto cp0_unimplemented;
5872 }
5873 break;
5874 case 14:
5875 switch (sel) {
5876 case 0:
5877 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EPC));
5878 rn = "EPC";
5879 break;
5880 default:
5881 goto cp0_unimplemented;
5882 }
5883 break;
5884 case 15:
5885 switch (sel) {
5886 case 0:
5887 /* ignored */
5888 rn = "PRid";
5889 break;
5890 case 1:
5891 check_insn(ctx, ISA_MIPS32R2);
5892 gen_helper_mtc0_ebase(cpu_env, arg);
5893 rn = "EBase";
5894 break;
5895 default:
5896 goto cp0_unimplemented;
5897 }
5898 break;
5899 case 16:
5900 switch (sel) {
5901 case 0:
5902 gen_helper_mtc0_config0(cpu_env, arg);
5903 rn = "Config";
5904 /* Stop translation as we may have switched the execution mode */
5905 ctx->bstate = BS_STOP;
5906 break;
5907 case 1:
5908 /* ignored, read only */
5909 rn = "Config1";
5910 break;
5911 case 2:
5912 gen_helper_mtc0_config2(cpu_env, arg);
5913 rn = "Config2";
5914 /* Stop translation as we may have switched the execution mode */
5915 ctx->bstate = BS_STOP;
5916 break;
5917 case 3:
5918 gen_helper_mtc0_config3(cpu_env, arg);
5919 rn = "Config3";
5920 /* Stop translation as we may have switched the execution mode */
5921 ctx->bstate = BS_STOP;
5922 break;
5923 case 4:
5924 gen_helper_mtc0_config4(cpu_env, arg);
5925 rn = "Config4";
5926 ctx->bstate = BS_STOP;
5927 break;
5928 case 5:
5929 gen_helper_mtc0_config5(cpu_env, arg);
5930 rn = "Config5";
5931 /* Stop translation as we may have switched the execution mode */
5932 ctx->bstate = BS_STOP;
5933 break;
5934 /* 6,7 are implementation dependent */
5935 case 6:
5936 /* ignored */
5937 rn = "Config6";
5938 break;
5939 case 7:
5940 /* ignored */
5941 rn = "Config7";
5942 break;
5943 default:
5944 rn = "Invalid config selector";
5945 goto cp0_unimplemented;
5946 }
5947 break;
5948 case 17:
5949 switch (sel) {
5950 case 0:
5951 gen_helper_mtc0_lladdr(cpu_env, arg);
5952 rn = "LLAddr";
5953 break;
5954 default:
5955 goto cp0_unimplemented;
5956 }
5957 break;
5958 case 18:
5959 switch (sel) {
5960 case 0 ... 7:
5961 gen_helper_0e1i(mtc0_watchlo, arg, sel);
5962 rn = "WatchLo";
5963 break;
5964 default:
5965 goto cp0_unimplemented;
5966 }
5967 break;
5968 case 19:
5969 switch (sel) {
5970 case 0 ... 7:
5971 gen_helper_0e1i(mtc0_watchhi, arg, sel);
5972 rn = "WatchHi";
5973 break;
5974 default:
5975 goto cp0_unimplemented;
5976 }
5977 break;
5978 case 20:
5979 switch (sel) {
5980 case 0:
5981 #if defined(TARGET_MIPS64)
5982 check_insn(ctx, ISA_MIPS3);
5983 gen_helper_mtc0_xcontext(cpu_env, arg);
5984 rn = "XContext";
5985 break;
5986 #endif
5987 default:
5988 goto cp0_unimplemented;
5989 }
5990 break;
5991 case 21:
5992 /* Officially reserved, but sel 0 is used for R1x000 framemask */
5993 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS32R6));
5994 switch (sel) {
5995 case 0:
5996 gen_helper_mtc0_framemask(cpu_env, arg);
5997 rn = "Framemask";
5998 break;
5999 default:
6000 goto cp0_unimplemented;
6001 }
6002 break;
6003 case 22:
6004 /* ignored */
6005 rn = "Diagnostic"; /* implementation dependent */
6006 break;
6007 case 23:
6008 switch (sel) {
6009 case 0:
6010 gen_helper_mtc0_debug(cpu_env, arg); /* EJTAG support */
6011 /* BS_STOP isn't good enough here, hflags may have changed. */
6012 gen_save_pc(ctx->pc + 4);
6013 ctx->bstate = BS_EXCP;
6014 rn = "Debug";
6015 break;
6016 case 1:
6017 // gen_helper_mtc0_tracecontrol(cpu_env, arg); /* PDtrace support */
6018 rn = "TraceControl";
6019 /* Stop translation as we may have switched the execution mode */
6020 ctx->bstate = BS_STOP;
6021 // break;
6022 case 2:
6023 // gen_helper_mtc0_tracecontrol2(cpu_env, arg); /* PDtrace support */
6024 rn = "TraceControl2";
6025 /* Stop translation as we may have switched the execution mode */
6026 ctx->bstate = BS_STOP;
6027 // break;
6028 case 3:
6029 /* Stop translation as we may have switched the execution mode */
6030 ctx->bstate = BS_STOP;
6031 // gen_helper_mtc0_usertracedata(cpu_env, arg); /* PDtrace support */
6032 rn = "UserTraceData";
6033 /* Stop translation as we may have switched the execution mode */
6034 ctx->bstate = BS_STOP;
6035 // break;
6036 case 4:
6037 // gen_helper_mtc0_tracebpc(cpu_env, arg); /* PDtrace support */
6038 /* Stop translation as we may have switched the execution mode */
6039 ctx->bstate = BS_STOP;
6040 rn = "TraceBPC";
6041 // break;
6042 default:
6043 goto cp0_unimplemented;
6044 }
6045 break;
6046 case 24:
6047 switch (sel) {
6048 case 0:
6049 /* EJTAG support */
6050 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_DEPC));
6051 rn = "DEPC";
6052 break;
6053 default:
6054 goto cp0_unimplemented;
6055 }
6056 break;
6057 case 25:
6058 switch (sel) {
6059 case 0:
6060 gen_helper_mtc0_performance0(cpu_env, arg);
6061 rn = "Performance0";
6062 break;
6063 case 1:
6064 // gen_helper_mtc0_performance1(arg);
6065 rn = "Performance1";
6066 // break;
6067 case 2:
6068 // gen_helper_mtc0_performance2(arg);
6069 rn = "Performance2";
6070 // break;
6071 case 3:
6072 // gen_helper_mtc0_performance3(arg);
6073 rn = "Performance3";
6074 // break;
6075 case 4:
6076 // gen_helper_mtc0_performance4(arg);
6077 rn = "Performance4";
6078 // break;
6079 case 5:
6080 // gen_helper_mtc0_performance5(arg);
6081 rn = "Performance5";
6082 // break;
6083 case 6:
6084 // gen_helper_mtc0_performance6(arg);
6085 rn = "Performance6";
6086 // break;
6087 case 7:
6088 // gen_helper_mtc0_performance7(arg);
6089 rn = "Performance7";
6090 // break;
6091 default:
6092 goto cp0_unimplemented;
6093 }
6094 break;
6095 case 26:
6096 /* ignored */
6097 rn = "ECC";
6098 break;
6099 case 27:
6100 switch (sel) {
6101 case 0 ... 3:
6102 /* ignored */
6103 rn = "CacheErr";
6104 break;
6105 default:
6106 goto cp0_unimplemented;
6107 }
6108 break;
6109 case 28:
6110 switch (sel) {
6111 case 0:
6112 case 2:
6113 case 4:
6114 case 6:
6115 gen_helper_mtc0_taglo(cpu_env, arg);
6116 rn = "TagLo";
6117 break;
6118 case 1:
6119 case 3:
6120 case 5:
6121 case 7:
6122 gen_helper_mtc0_datalo(cpu_env, arg);
6123 rn = "DataLo";
6124 break;
6125 default:
6126 goto cp0_unimplemented;
6127 }
6128 break;
6129 case 29:
6130 switch (sel) {
6131 case 0:
6132 case 2:
6133 case 4:
6134 case 6:
6135 gen_helper_mtc0_taghi(cpu_env, arg);
6136 rn = "TagHi";
6137 break;
6138 case 1:
6139 case 3:
6140 case 5:
6141 case 7:
6142 gen_helper_mtc0_datahi(cpu_env, arg);
6143 rn = "DataHi";
6144 break;
6145 default:
6146 rn = "invalid sel";
6147 goto cp0_unimplemented;
6148 }
6149 break;
6150 case 30:
6151 switch (sel) {
6152 case 0:
6153 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_ErrorEPC));
6154 rn = "ErrorEPC";
6155 break;
6156 default:
6157 goto cp0_unimplemented;
6158 }
6159 break;
6160 case 31:
6161 switch (sel) {
6162 case 0:
6163 /* EJTAG support */
6164 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_DESAVE));
6165 rn = "DESAVE";
6166 break;
6167 case 2 ... 7:
6168 CP0_CHECK(ctx->kscrexist & (1 << sel));
6169 tcg_gen_st_tl(arg, cpu_env,
6170 offsetof(CPUMIPSState, CP0_KScratch[sel-2]));
6171 rn = "KScratch";
6172 break;
6173 default:
6174 goto cp0_unimplemented;
6175 }
6176 /* Stop translation as we may have switched the execution mode */
6177 ctx->bstate = BS_STOP;
6178 break;
6179 default:
6180 goto cp0_unimplemented;
6181 }
6182 (void)rn; /* avoid a compiler warning */
6183 LOG_DISAS("mtc0 %s (reg %d sel %d)\n", rn, reg, sel);
6184 /* For simplicity assume that all writes can cause interrupts. */
6185 if (ctx->tb->cflags & CF_USE_ICOUNT) {
6186 gen_io_end();
6187 ctx->bstate = BS_STOP;
6188 }
6189 return;
6190
6191 cp0_unimplemented:
6192 LOG_DISAS("mtc0 %s (reg %d sel %d)\n", rn, reg, sel);
6193 }
6194
6195 #if defined(TARGET_MIPS64)
6196 static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
6197 {
6198 const char *rn = "invalid";
6199
6200 if (sel != 0)
6201 check_insn(ctx, ISA_MIPS64);
6202
6203 switch (reg) {
6204 case 0:
6205 switch (sel) {
6206 case 0:
6207 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Index));
6208 rn = "Index";
6209 break;
6210 case 1:
6211 CP0_CHECK(ctx->insn_flags & ASE_MT);
6212 gen_helper_mfc0_mvpcontrol(arg, cpu_env);
6213 rn = "MVPControl";
6214 break;
6215 case 2:
6216 CP0_CHECK(ctx->insn_flags & ASE_MT);
6217 gen_helper_mfc0_mvpconf0(arg, cpu_env);
6218 rn = "MVPConf0";
6219 break;
6220 case 3:
6221 CP0_CHECK(ctx->insn_flags & ASE_MT);
6222 gen_helper_mfc0_mvpconf1(arg, cpu_env);
6223 rn = "MVPConf1";
6224 break;
6225 default:
6226 goto cp0_unimplemented;
6227 }
6228 break;
6229 case 1:
6230 switch (sel) {
6231 case 0:
6232 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS32R6));
6233 gen_helper_mfc0_random(arg, cpu_env);
6234 rn = "Random";
6235 break;
6236 case 1:
6237 CP0_CHECK(ctx->insn_flags & ASE_MT);
6238 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEControl));
6239 rn = "VPEControl";
6240 break;
6241 case 2:
6242 CP0_CHECK(ctx->insn_flags & ASE_MT);
6243 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf0));
6244 rn = "VPEConf0";
6245 break;
6246 case 3:
6247 CP0_CHECK(ctx->insn_flags & ASE_MT);
6248 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf1));
6249 rn = "VPEConf1";
6250 break;
6251 case 4:
6252 CP0_CHECK(ctx->insn_flags & ASE_MT);
6253 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_YQMask));
6254 rn = "YQMask";
6255 break;
6256 case 5:
6257 CP0_CHECK(ctx->insn_flags & ASE_MT);
6258 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_VPESchedule));
6259 rn = "VPESchedule";
6260 break;
6261 case 6:
6262 CP0_CHECK(ctx->insn_flags & ASE_MT);
6263 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_VPEScheFBack));
6264 rn = "VPEScheFBack";
6265 break;
6266 case 7:
6267 CP0_CHECK(ctx->insn_flags & ASE_MT);
6268 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEOpt));
6269 rn = "VPEOpt";
6270 break;
6271 default:
6272 goto cp0_unimplemented;
6273 }
6274 break;
6275 case 2:
6276 switch (sel) {
6277 case 0:
6278 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EntryLo0));
6279 rn = "EntryLo0";
6280 break;
6281 case 1:
6282 CP0_CHECK(ctx->insn_flags & ASE_MT);
6283 gen_helper_mfc0_tcstatus(arg, cpu_env);
6284 rn = "TCStatus";
6285 break;
6286 case 2:
6287 CP0_CHECK(ctx->insn_flags & ASE_MT);
6288 gen_helper_mfc0_tcbind(arg, cpu_env);
6289 rn = "TCBind";
6290 break;
6291 case 3:
6292 CP0_CHECK(ctx->insn_flags & ASE_MT);
6293 gen_helper_dmfc0_tcrestart(arg, cpu_env);
6294 rn = "TCRestart";
6295 break;
6296 case 4:
6297 CP0_CHECK(ctx->insn_flags & ASE_MT);
6298 gen_helper_dmfc0_tchalt(arg, cpu_env);
6299 rn = "TCHalt";
6300 break;
6301 case 5:
6302 CP0_CHECK(ctx->insn_flags & ASE_MT);
6303 gen_helper_dmfc0_tccontext(arg, cpu_env);
6304 rn = "TCContext";
6305 break;
6306 case 6:
6307 CP0_CHECK(ctx->insn_flags & ASE_MT);
6308 gen_helper_dmfc0_tcschedule(arg, cpu_env);
6309 rn = "TCSchedule";
6310 break;
6311 case 7:
6312 CP0_CHECK(ctx->insn_flags & ASE_MT);
6313 gen_helper_dmfc0_tcschefback(arg, cpu_env);
6314 rn = "TCScheFBack";
6315 break;
6316 default:
6317 goto cp0_unimplemented;
6318 }
6319 break;
6320 case 3:
6321 switch (sel) {
6322 case 0:
6323 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EntryLo1));
6324 rn = "EntryLo1";
6325 break;
6326 default:
6327 goto cp0_unimplemented;
6328 }
6329 break;
6330 case 4:
6331 switch (sel) {
6332 case 0:
6333 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_Context));
6334 rn = "Context";
6335 break;
6336 case 1:
6337 // gen_helper_dmfc0_contextconfig(arg); /* SmartMIPS ASE */
6338 rn = "ContextConfig";
6339 goto cp0_unimplemented;
6340 // break;
6341 case 2:
6342 CP0_CHECK(ctx->ulri);
6343 tcg_gen_ld_tl(arg, cpu_env,
6344 offsetof(CPUMIPSState, active_tc.CP0_UserLocal));
6345 rn = "UserLocal";
6346 break;
6347 default:
6348 goto cp0_unimplemented;
6349 }
6350 break;
6351 case 5:
6352 switch (sel) {
6353 case 0:
6354 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageMask));
6355 rn = "PageMask";
6356 break;
6357 case 1:
6358 check_insn(ctx, ISA_MIPS32R2);
6359 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageGrain));
6360 rn = "PageGrain";
6361 break;
6362 default:
6363 goto cp0_unimplemented;
6364 }
6365 break;
6366 case 6:
6367 switch (sel) {
6368 case 0:
6369 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Wired));
6370 rn = "Wired";
6371 break;
6372 case 1:
6373 check_insn(ctx, ISA_MIPS32R2);
6374 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf0));
6375 rn = "SRSConf0";
6376 break;
6377 case 2:
6378 check_insn(ctx, ISA_MIPS32R2);
6379 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf1));
6380 rn = "SRSConf1";
6381 break;
6382 case 3:
6383 check_insn(ctx, ISA_MIPS32R2);
6384 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf2));
6385 rn = "SRSConf2";
6386 break;
6387 case 4:
6388 check_insn(ctx, ISA_MIPS32R2);
6389 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf3));
6390 rn = "SRSConf3";
6391 break;
6392 case 5:
6393 check_insn(ctx, ISA_MIPS32R2);
6394 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf4));
6395 rn = "SRSConf4";
6396 break;
6397 default:
6398 goto cp0_unimplemented;
6399 }
6400 break;
6401 case 7:
6402 switch (sel) {
6403 case 0:
6404 check_insn(ctx, ISA_MIPS32R2);
6405 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_HWREna));
6406 rn = "HWREna";
6407 break;
6408 default:
6409 goto cp0_unimplemented;
6410 }
6411 break;
6412 case 8:
6413 switch (sel) {
6414 case 0:
6415 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_BadVAddr));
6416 rn = "BadVAddr";
6417 break;
6418 case 1:
6419 CP0_CHECK(ctx->bi);
6420 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstr));
6421 rn = "BadInstr";
6422 break;
6423 case 2:
6424 CP0_CHECK(ctx->bp);
6425 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrP));
6426 rn = "BadInstrP";
6427 break;
6428 default:
6429 goto cp0_unimplemented;
6430 }
6431 break;
6432 case 9:
6433 switch (sel) {
6434 case 0:
6435 /* Mark as an IO operation because we read the time. */
6436 if (ctx->tb->cflags & CF_USE_ICOUNT) {
6437 gen_io_start();
6438 }
6439 gen_helper_mfc0_count(arg, cpu_env);
6440 if (ctx->tb->cflags & CF_USE_ICOUNT) {
6441 gen_io_end();
6442 }
6443 /* Break the TB to be able to take timer interrupts immediately
6444 after reading count. */
6445 ctx->bstate = BS_STOP;
6446 rn = "Count";
6447 break;
6448 /* 6,7 are implementation dependent */
6449 default:
6450 goto cp0_unimplemented;
6451 }
6452 break;
6453 case 10:
6454 switch (sel) {
6455 case 0:
6456 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EntryHi));
6457 rn = "EntryHi";
6458 break;
6459 default:
6460 goto cp0_unimplemented;
6461 }
6462 break;
6463 case 11:
6464 switch (sel) {
6465 case 0:
6466 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Compare));
6467 rn = "Compare";
6468 break;
6469 /* 6,7 are implementation dependent */
6470 default:
6471 goto cp0_unimplemented;
6472 }
6473 break;
6474 case 12:
6475 switch (sel) {
6476 case 0:
6477 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Status));
6478 rn = "Status";
6479 break;
6480 case 1:
6481 check_insn(ctx, ISA_MIPS32R2);
6482 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_IntCtl));
6483 rn = "IntCtl";
6484 break;
6485 case 2:
6486 check_insn(ctx, ISA_MIPS32R2);
6487 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSCtl));
6488 rn = "SRSCtl";
6489 break;
6490 case 3:
6491 check_insn(ctx, ISA_MIPS32R2);
6492 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSMap));
6493 rn = "SRSMap";
6494 break;
6495 default:
6496 goto cp0_unimplemented;
6497 }
6498 break;
6499 case 13:
6500 switch (sel) {
6501 case 0:
6502 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Cause));
6503 rn = "Cause";
6504 break;
6505 default:
6506 goto cp0_unimplemented;
6507 }
6508 break;
6509 case 14:
6510 switch (sel) {
6511 case 0:
6512 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EPC));
6513 rn = "EPC";
6514 break;
6515 default:
6516 goto cp0_unimplemented;
6517 }
6518 break;
6519 case 15:
6520 switch (sel) {
6521 case 0:
6522 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PRid));
6523 rn = "PRid";
6524 break;
6525 case 1:
6526 check_insn(ctx, ISA_MIPS32R2);
6527 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_EBase));
6528 rn = "EBase";
6529 break;
6530 default:
6531 goto cp0_unimplemented;
6532 }
6533 break;
6534 case 16:
6535 switch (sel) {
6536 case 0:
6537 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config0));
6538 rn = "Config";
6539 break;
6540 case 1:
6541 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config1));
6542 rn = "Config1";
6543 break;
6544 case 2:
6545 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config2));
6546 rn = "Config2";
6547 break;
6548 case 3:
6549 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config3));
6550 rn = "Config3";
6551 break;
6552 case 4:
6553 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config4));
6554 rn = "Config4";
6555 break;
6556 case 5:
6557 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config5));
6558 rn = "Config5";
6559 break;
6560 /* 6,7 are implementation dependent */
6561 case 6:
6562 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config6));
6563 rn = "Config6";
6564 break;
6565 case 7:
6566 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config7));
6567 rn = "Config7";
6568 break;
6569 default:
6570 goto cp0_unimplemented;
6571 }
6572 break;
6573 case 17:
6574 switch (sel) {
6575 case 0:
6576 gen_helper_dmfc0_lladdr(arg, cpu_env);
6577 rn = "LLAddr";
6578 break;
6579 default:
6580 goto cp0_unimplemented;
6581 }
6582 break;
6583 case 18:
6584 switch (sel) {
6585 case 0 ... 7:
6586 gen_helper_1e0i(dmfc0_watchlo, arg, sel);
6587 rn = "WatchLo";
6588 break;
6589 default:
6590 goto cp0_unimplemented;
6591 }
6592 break;
6593 case 19:
6594 switch (sel) {
6595 case 0 ... 7:
6596 gen_helper_1e0i(mfc0_watchhi, arg, sel);
6597 rn = "WatchHi";
6598 break;
6599 default:
6600 goto cp0_unimplemented;
6601 }
6602 break;
6603 case 20:
6604 switch (sel) {
6605 case 0:
6606 check_insn(ctx, ISA_MIPS3);
6607 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_XContext));
6608 rn = "XContext";
6609 break;
6610 default:
6611 goto cp0_unimplemented;
6612 }
6613 break;
6614 case 21:
6615 /* Officially reserved, but sel 0 is used for R1x000 framemask */
6616 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS32R6));
6617 switch (sel) {
6618 case 0:
6619 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Framemask));
6620 rn = "Framemask";
6621 break;
6622 default:
6623 goto cp0_unimplemented;
6624 }
6625 break;
6626 case 22:
6627 tcg_gen_movi_tl(arg, 0); /* unimplemented */
6628 rn = "'Diagnostic"; /* implementation dependent */
6629 break;
6630 case 23:
6631 switch (sel) {
6632 case 0:
6633 gen_helper_mfc0_debug(arg, cpu_env); /* EJTAG support */
6634 rn = "Debug";
6635 break;
6636 case 1:
6637 // gen_helper_dmfc0_tracecontrol(arg, cpu_env); /* PDtrace support */
6638 rn = "TraceControl";
6639 // break;
6640 case 2:
6641 // gen_helper_dmfc0_tracecontrol2(arg, cpu_env); /* PDtrace support */
6642 rn = "TraceControl2";
6643 // break;
6644 case 3:
6645 // gen_helper_dmfc0_usertracedata(arg, cpu_env); /* PDtrace support */
6646 rn = "UserTraceData";
6647 // break;
6648 case 4:
6649 // gen_helper_dmfc0_tracebpc(arg, cpu_env); /* PDtrace support */
6650 rn = "TraceBPC";
6651 // break;
6652 default:
6653 goto cp0_unimplemented;
6654 }
6655 break;
6656 case 24:
6657 switch (sel) {
6658 case 0:
6659 /* EJTAG support */
6660 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_DEPC));
6661 rn = "DEPC";
6662 break;
6663 default:
6664 goto cp0_unimplemented;
6665 }
6666 break;
6667 case 25:
6668 switch (sel) {
6669 case 0:
6670 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Performance0));
6671 rn = "Performance0";
6672 break;
6673 case 1:
6674 // gen_helper_dmfc0_performance1(arg);
6675 rn = "Performance1";
6676 // break;
6677 case 2:
6678 // gen_helper_dmfc0_performance2(arg);
6679 rn = "Performance2";
6680 // break;
6681 case 3:
6682 // gen_helper_dmfc0_performance3(arg);
6683 rn = "Performance3";
6684 // break;
6685 case 4:
6686 // gen_helper_dmfc0_performance4(arg);
6687 rn = "Performance4";
6688 // break;
6689 case 5:
6690 // gen_helper_dmfc0_performance5(arg);
6691 rn = "Performance5";
6692 // break;
6693 case 6:
6694 // gen_helper_dmfc0_performance6(arg);
6695 rn = "Performance6";
6696 // break;
6697 case 7:
6698 // gen_helper_dmfc0_performance7(arg);
6699 rn = "Performance7";
6700 // break;
6701 default:
6702 goto cp0_unimplemented;
6703 }
6704 break;
6705 case 26:
6706 tcg_gen_movi_tl(arg, 0); /* unimplemented */
6707 rn = "ECC";
6708 break;
6709 case 27:
6710 switch (sel) {
6711 /* ignored */
6712 case 0 ... 3:
6713 tcg_gen_movi_tl(arg, 0); /* unimplemented */
6714 rn = "CacheErr";
6715 break;
6716 default:
6717 goto cp0_unimplemented;
6718 }
6719 break;
6720 case 28:
6721 switch (sel) {
6722 case 0:
6723 case 2:
6724 case 4:
6725 case 6:
6726 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_TagLo));
6727 rn = "TagLo";
6728 break;
6729 case 1:
6730 case 3:
6731 case 5:
6732 case 7:
6733 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataLo));
6734 rn = "DataLo";
6735 break;
6736 default:
6737 goto cp0_unimplemented;
6738 }
6739 break;
6740 case 29:
6741 switch (sel) {
6742 case 0:
6743 case 2:
6744 case 4:
6745 case 6:
6746 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_TagHi));
6747 rn = "TagHi";
6748 break;
6749 case 1:
6750 case 3:
6751 case 5:
6752 case 7:
6753 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataHi));
6754 rn = "DataHi";
6755 break;
6756 default:
6757 goto cp0_unimplemented;
6758 }
6759 break;
6760 case 30:
6761 switch (sel) {
6762 case 0:
6763 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_ErrorEPC));
6764 rn = "ErrorEPC";
6765 break;
6766 default:
6767 goto cp0_unimplemented;
6768 }
6769 break;
6770 case 31:
6771 switch (sel) {
6772 case 0:
6773 /* EJTAG support */
6774 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DESAVE));
6775 rn = "DESAVE";
6776 break;
6777 case 2 ... 7:
6778 CP0_CHECK(ctx->kscrexist & (1 << sel));
6779 tcg_gen_ld_tl(arg, cpu_env,
6780 offsetof(CPUMIPSState, CP0_KScratch[sel-2]));
6781 rn = "KScratch";
6782 break;
6783 default:
6784 goto cp0_unimplemented;
6785 }
6786 break;
6787 default:
6788 goto cp0_unimplemented;
6789 }
6790 (void)rn; /* avoid a compiler warning */
6791 LOG_DISAS("dmfc0 %s (reg %d sel %d)\n", rn, reg, sel);
6792 return;
6793
6794 cp0_unimplemented:
6795 LOG_DISAS("dmfc0 %s (reg %d sel %d)\n", rn, reg, sel);
6796 gen_mfc0_unimplemented(ctx, arg);
6797 }
6798
6799 static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
6800 {
6801 const char *rn = "invalid";
6802
6803 if (sel != 0)
6804 check_insn(ctx, ISA_MIPS64);
6805
6806 if (ctx->tb->cflags & CF_USE_ICOUNT) {
6807 gen_io_start();
6808 }
6809
6810 switch (reg) {
6811 case 0:
6812 switch (sel) {
6813 case 0:
6814 gen_helper_mtc0_index(cpu_env, arg);
6815 rn = "Index";
6816 break;
6817 case 1:
6818 CP0_CHECK(ctx->insn_flags & ASE_MT);
6819 gen_helper_mtc0_mvpcontrol(cpu_env, arg);
6820 rn = "MVPControl";
6821 break;
6822 case 2:
6823 CP0_CHECK(ctx->insn_flags & ASE_MT);
6824 /* ignored */
6825 rn = "MVPConf0";
6826 break;
6827 case 3:
6828 CP0_CHECK(ctx->insn_flags & ASE_MT);
6829 /* ignored */
6830 rn = "MVPConf1";
6831 break;
6832 default:
6833 goto cp0_unimplemented;
6834 }
6835 break;
6836 case 1:
6837 switch (sel) {
6838 case 0:
6839 /* ignored */
6840 rn = "Random";
6841 break;
6842 case 1:
6843 CP0_CHECK(ctx->insn_flags & ASE_MT);
6844 gen_helper_mtc0_vpecontrol(cpu_env, arg);
6845 rn = "VPEControl";
6846 break;
6847 case 2:
6848 CP0_CHECK(ctx->insn_flags & ASE_MT);
6849 gen_helper_mtc0_vpeconf0(cpu_env, arg);
6850 rn = "VPEConf0";
6851 break;
6852 case 3:
6853 CP0_CHECK(ctx->insn_flags & ASE_MT);
6854 gen_helper_mtc0_vpeconf1(cpu_env, arg);
6855 rn = "VPEConf1";
6856 break;
6857 case 4:
6858 CP0_CHECK(ctx->insn_flags & ASE_MT);
6859 gen_helper_mtc0_yqmask(cpu_env, arg);
6860 rn = "YQMask";
6861 break;
6862 case 5:
6863 CP0_CHECK(ctx->insn_flags & ASE_MT);
6864 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_VPESchedule));
6865 rn = "VPESchedule";
6866 break;
6867 case 6:
6868 CP0_CHECK(ctx->insn_flags & ASE_MT);
6869 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_VPEScheFBack));
6870 rn = "VPEScheFBack";
6871 break;
6872 case 7:
6873 CP0_CHECK(ctx->insn_flags & ASE_MT);
6874 gen_helper_mtc0_vpeopt(cpu_env, arg);
6875 rn = "VPEOpt";
6876 break;
6877 default:
6878 goto cp0_unimplemented;
6879 }
6880 break;
6881 case 2:
6882 switch (sel) {
6883 case 0:
6884 gen_helper_dmtc0_entrylo0(cpu_env, arg);
6885 rn = "EntryLo0";
6886 break;
6887 case 1:
6888 CP0_CHECK(ctx->insn_flags & ASE_MT);
6889 gen_helper_mtc0_tcstatus(cpu_env, arg);
6890 rn = "TCStatus";
6891 break;
6892 case 2:
6893 CP0_CHECK(ctx->insn_flags & ASE_MT);
6894 gen_helper_mtc0_tcbind(cpu_env, arg);
6895 rn = "TCBind";
6896 break;
6897 case 3:
6898 CP0_CHECK(ctx->insn_flags & ASE_MT);
6899 gen_helper_mtc0_tcrestart(cpu_env, arg);
6900 rn = "TCRestart";
6901 break;
6902 case 4:
6903 CP0_CHECK(ctx->insn_flags & ASE_MT);
6904 gen_helper_mtc0_tchalt(cpu_env, arg);
6905 rn = "TCHalt";
6906 break;
6907 case 5:
6908 CP0_CHECK(ctx->insn_flags & ASE_MT);
6909 gen_helper_mtc0_tccontext(cpu_env, arg);
6910 rn = "TCContext";
6911 break;
6912 case 6:
6913 CP0_CHECK(ctx->insn_flags & ASE_MT);
6914 gen_helper_mtc0_tcschedule(cpu_env, arg);
6915 rn = "TCSchedule";
6916 break;
6917 case 7:
6918 CP0_CHECK(ctx->insn_flags & ASE_MT);
6919 gen_helper_mtc0_tcschefback(cpu_env, arg);
6920 rn = "TCScheFBack";
6921 break;
6922 default:
6923 goto cp0_unimplemented;
6924 }
6925 break;
6926 case 3:
6927 switch (sel) {
6928 case 0:
6929 gen_helper_dmtc0_entrylo1(cpu_env, arg);
6930 rn = "EntryLo1";
6931 break;
6932 default:
6933 goto cp0_unimplemented;
6934 }
6935 break;
6936 case 4:
6937 switch (sel) {
6938 case 0:
6939 gen_helper_mtc0_context(cpu_env, arg);
6940 rn = "Context";
6941 break;
6942 case 1:
6943 // gen_helper_mtc0_contextconfig(cpu_env, arg); /* SmartMIPS ASE */
6944 rn = "ContextConfig";
6945 goto cp0_unimplemented;
6946 // break;
6947 case 2:
6948 CP0_CHECK(ctx->ulri);
6949 tcg_gen_st_tl(arg, cpu_env,
6950 offsetof(CPUMIPSState, active_tc.CP0_UserLocal));
6951 rn = "UserLocal";
6952 break;
6953 default:
6954 goto cp0_unimplemented;
6955 }
6956 break;
6957 case 5:
6958 switch (sel) {
6959 case 0:
6960 gen_helper_mtc0_pagemask(cpu_env, arg);
6961 rn = "PageMask";
6962 break;
6963 case 1:
6964 check_insn(ctx, ISA_MIPS32R2);
6965 gen_helper_mtc0_pagegrain(cpu_env, arg);
6966 rn = "PageGrain";
6967 break;
6968 default:
6969 goto cp0_unimplemented;
6970 }
6971 break;
6972 case 6:
6973 switch (sel) {
6974 case 0:
6975 gen_helper_mtc0_wired(cpu_env, arg);
6976 rn = "Wired";
6977 break;
6978 case 1:
6979 check_insn(ctx, ISA_MIPS32R2);
6980 gen_helper_mtc0_srsconf0(cpu_env, arg);
6981 rn = "SRSConf0";
6982 break;
6983 case 2:
6984 check_insn(ctx, ISA_MIPS32R2);
6985 gen_helper_mtc0_srsconf1(cpu_env, arg);
6986 rn = "SRSConf1";
6987 break;
6988 case 3:
6989 check_insn(ctx, ISA_MIPS32R2);
6990 gen_helper_mtc0_srsconf2(cpu_env, arg);
6991 rn = "SRSConf2";
6992 break;
6993 case 4:
6994 check_insn(ctx, ISA_MIPS32R2);
6995 gen_helper_mtc0_srsconf3(cpu_env, arg);
6996 rn = "SRSConf3";
6997 break;
6998 case 5:
6999 check_insn(ctx, ISA_MIPS32R2);
7000 gen_helper_mtc0_srsconf4(cpu_env, arg);
7001 rn = "SRSConf4";
7002 break;
7003 default:
7004 goto cp0_unimplemented;
7005 }
7006 break;
7007 case 7:
7008 switch (sel) {
7009 case 0:
7010 check_insn(ctx, ISA_MIPS32R2);
7011 gen_helper_mtc0_hwrena(cpu_env, arg);
7012 ctx->bstate = BS_STOP;
7013 rn = "HWREna";
7014 break;
7015 default:
7016 goto cp0_unimplemented;
7017 }
7018 break;
7019 case 8:
7020 switch (sel) {
7021 case 0:
7022 /* ignored */
7023 rn = "BadVAddr";
7024 break;
7025 case 1:
7026 /* ignored */
7027 rn = "BadInstr";
7028 break;
7029 case 2:
7030 /* ignored */
7031 rn = "BadInstrP";
7032 break;
7033 default:
7034 goto cp0_unimplemented;
7035 }
7036 break;
7037 case 9:
7038 switch (sel) {
7039 case 0:
7040 gen_helper_mtc0_count(cpu_env, arg);
7041 rn = "Count";
7042 break;
7043 /* 6,7 are implementation dependent */
7044 default:
7045 goto cp0_unimplemented;
7046 }
7047 /* Stop translation as we may have switched the execution mode */
7048 ctx->bstate = BS_STOP;
7049 break;
7050 case 10:
7051 switch (sel) {
7052 case 0:
7053 gen_helper_mtc0_entryhi(cpu_env, arg);
7054 rn = "EntryHi";
7055 break;
7056 default:
7057 goto cp0_unimplemented;
7058 }
7059 break;
7060 case 11:
7061 switch (sel) {
7062 case 0:
7063 gen_helper_mtc0_compare(cpu_env, arg);
7064 rn = "Compare";
7065 break;
7066 /* 6,7 are implementation dependent */
7067 default:
7068 goto cp0_unimplemented;
7069 }
7070 /* Stop translation as we may have switched the execution mode */
7071 ctx->bstate = BS_STOP;
7072 break;
7073 case 12:
7074 switch (sel) {
7075 case 0:
7076 save_cpu_state(ctx, 1);
7077 gen_helper_mtc0_status(cpu_env, arg);
7078 /* BS_STOP isn't good enough here, hflags may have changed. */
7079 gen_save_pc(ctx->pc + 4);
7080 ctx->bstate = BS_EXCP;
7081 rn = "Status";
7082 break;
7083 case 1:
7084 check_insn(ctx, ISA_MIPS32R2);
7085 gen_helper_mtc0_intctl(cpu_env, arg);
7086 /* Stop translation as we may have switched the execution mode */
7087 ctx->bstate = BS_STOP;
7088 rn = "IntCtl";
7089 break;
7090 case 2:
7091 check_insn(ctx, ISA_MIPS32R2);
7092 gen_helper_mtc0_srsctl(cpu_env, arg);
7093 /* Stop translation as we may have switched the execution mode */
7094 ctx->bstate = BS_STOP;
7095 rn = "SRSCtl";
7096 break;
7097 case 3:
7098 check_insn(ctx, ISA_MIPS32R2);
7099 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_SRSMap));
7100 /* Stop translation as we may have switched the execution mode */
7101 ctx->bstate = BS_STOP;
7102 rn = "SRSMap";
7103 break;
7104 default:
7105 goto cp0_unimplemented;
7106 }
7107 break;
7108 case 13:
7109 switch (sel) {
7110 case 0:
7111 save_cpu_state(ctx, 1);
7112 /* Mark as an IO operation because we may trigger a software
7113 interrupt. */
7114 if (ctx->tb->cflags & CF_USE_ICOUNT) {
7115 gen_io_start();
7116 }
7117 gen_helper_mtc0_cause(cpu_env, arg);
7118 if (ctx->tb->cflags & CF_USE_ICOUNT) {
7119 gen_io_end();
7120 }
7121 /* Stop translation as we may have triggered an intetrupt */
7122 ctx->bstate = BS_STOP;
7123 rn = "Cause";
7124 break;
7125 default:
7126 goto cp0_unimplemented;
7127 }
7128 break;
7129 case 14:
7130 switch (sel) {
7131 case 0:
7132 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EPC));
7133 rn = "EPC";
7134 break;
7135 default:
7136 goto cp0_unimplemented;
7137 }
7138 break;
7139 case 15:
7140 switch (sel) {
7141 case 0:
7142 /* ignored */
7143 rn = "PRid";
7144 break;
7145 case 1:
7146 check_insn(ctx, ISA_MIPS32R2);
7147 gen_helper_mtc0_ebase(cpu_env, arg);
7148 rn = "EBase";
7149 break;
7150 default:
7151 goto cp0_unimplemented;
7152 }
7153 break;
7154 case 16:
7155 switch (sel) {
7156 case 0:
7157 gen_helper_mtc0_config0(cpu_env, arg);
7158 rn = "Config";
7159 /* Stop translation as we may have switched the execution mode */
7160 ctx->bstate = BS_STOP;
7161 break;
7162 case 1:
7163 /* ignored, read only */
7164 rn = "Config1";
7165 break;
7166 case 2:
7167 gen_helper_mtc0_config2(cpu_env, arg);
7168 rn = "Config2";
7169 /* Stop translation as we may have switched the execution mode */
7170 ctx->bstate = BS_STOP;
7171 break;
7172 case 3:
7173 gen_helper_mtc0_config3(cpu_env, arg);
7174 rn = "Config3";
7175 /* Stop translation as we may have switched the execution mode */
7176 ctx->bstate = BS_STOP;
7177 break;
7178 case 4:
7179 /* currently ignored */
7180 rn = "Config4";
7181 break;
7182 case 5:
7183 gen_helper_mtc0_config5(cpu_env, arg);
7184 rn = "Config5";
7185 /* Stop translation as we may have switched the execution mode */
7186 ctx->bstate = BS_STOP;
7187 break;
7188 /* 6,7 are implementation dependent */
7189 default:
7190 rn = "Invalid config selector";
7191 goto cp0_unimplemented;
7192 }
7193 break;
7194 case 17:
7195 switch (sel) {
7196 case 0:
7197 gen_helper_mtc0_lladdr(cpu_env, arg);
7198 rn = "LLAddr";
7199 break;
7200 default:
7201 goto cp0_unimplemented;
7202 }
7203 break;
7204 case 18:
7205 switch (sel) {
7206 case 0 ... 7:
7207 gen_helper_0e1i(mtc0_watchlo, arg, sel);
7208 rn = "WatchLo";
7209 break;
7210 default:
7211 goto cp0_unimplemented;
7212 }
7213 break;
7214 case 19:
7215 switch (sel) {
7216 case 0 ... 7:
7217 gen_helper_0e1i(mtc0_watchhi, arg, sel);
7218 rn = "WatchHi";
7219 break;
7220 default:
7221 goto cp0_unimplemented;
7222 }
7223 break;
7224 case 20:
7225 switch (sel) {
7226 case 0:
7227 check_insn(ctx, ISA_MIPS3);
7228 gen_helper_mtc0_xcontext(cpu_env, arg);
7229 rn = "XContext";
7230 break;
7231 default:
7232 goto cp0_unimplemented;
7233 }
7234 break;
7235 case 21:
7236 /* Officially reserved, but sel 0 is used for R1x000 framemask */
7237 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS32R6));
7238 switch (sel) {
7239 case 0:
7240 gen_helper_mtc0_framemask(cpu_env, arg);
7241 rn = "Framemask";
7242 break;
7243 default:
7244 goto cp0_unimplemented;
7245 }
7246 break;
7247 case 22:
7248 /* ignored */
7249 rn = "Diagnostic"; /* implementation dependent */
7250 break;
7251 case 23:
7252 switch (sel) {
7253 case 0:
7254 gen_helper_mtc0_debug(cpu_env, arg); /* EJTAG support */
7255 /* BS_STOP isn't good enough here, hflags may have changed. */
7256 gen_save_pc(ctx->pc + 4);
7257 ctx->bstate = BS_EXCP;
7258 rn = "Debug";
7259 break;
7260 case 1:
7261 // gen_helper_mtc0_tracecontrol(cpu_env, arg); /* PDtrace support */
7262 /* Stop translation as we may have switched the execution mode */
7263 ctx->bstate = BS_STOP;
7264 rn = "TraceControl";
7265 // break;
7266 case 2:
7267 // gen_helper_mtc0_tracecontrol2(cpu_env, arg); /* PDtrace support */
7268 /* Stop translation as we may have switched the execution mode */
7269 ctx->bstate = BS_STOP;
7270 rn = "TraceControl2";
7271 // break;
7272 case 3:
7273 // gen_helper_mtc0_usertracedata(cpu_env, arg); /* PDtrace support */
7274 /* Stop translation as we may have switched the execution mode */
7275 ctx->bstate = BS_STOP;
7276 rn = "UserTraceData";
7277 // break;
7278 case 4:
7279 // gen_helper_mtc0_tracebpc(cpu_env, arg); /* PDtrace support */
7280 /* Stop translation as we may have switched the execution mode */
7281 ctx->bstate = BS_STOP;
7282 rn = "TraceBPC";
7283 // break;
7284 default:
7285 goto cp0_unimplemented;
7286 }
7287 break;
7288 case 24:
7289 switch (sel) {
7290 case 0:
7291 /* EJTAG support */
7292 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_DEPC));
7293 rn = "DEPC";
7294 break;
7295 default:
7296 goto cp0_unimplemented;
7297 }
7298 break;
7299 case 25:
7300 switch (sel) {
7301 case 0:
7302 gen_helper_mtc0_performance0(cpu_env, arg);
7303 rn = "Performance0";
7304 break;
7305 case 1:
7306 // gen_helper_mtc0_performance1(cpu_env, arg);
7307 rn = "Performance1";
7308 // break;
7309 case 2:
7310 // gen_helper_mtc0_performance2(cpu_env, arg);
7311 rn = "Performance2";
7312 // break;
7313 case 3:
7314 // gen_helper_mtc0_performance3(cpu_env, arg);
7315 rn = "Performance3";
7316 // break;
7317 case 4:
7318 // gen_helper_mtc0_performance4(cpu_env, arg);
7319 rn = "Performance4";
7320 // break;
7321 case 5:
7322 // gen_helper_mtc0_performance5(cpu_env, arg);
7323 rn = "Performance5";
7324 // break;
7325 case 6:
7326 // gen_helper_mtc0_performance6(cpu_env, arg);
7327 rn = "Performance6";
7328 // break;
7329 case 7:
7330 // gen_helper_mtc0_performance7(cpu_env, arg);
7331 rn = "Performance7";
7332 // break;
7333 default:
7334 goto cp0_unimplemented;
7335 }
7336 break;
7337 case 26:
7338 /* ignored */
7339 rn = "ECC";
7340 break;
7341 case 27:
7342 switch (sel) {
7343 case 0 ... 3:
7344 /* ignored */
7345 rn = "CacheErr";
7346 break;
7347 default:
7348 goto cp0_unimplemented;
7349 }
7350 break;
7351 case 28:
7352 switch (sel) {
7353 case 0:
7354 case 2:
7355 case 4:
7356 case 6:
7357 gen_helper_mtc0_taglo(cpu_env, arg);
7358 rn = "TagLo";
7359 break;
7360 case 1:
7361 case 3:
7362 case 5:
7363 case 7:
7364 gen_helper_mtc0_datalo(cpu_env, arg);
7365 rn = "DataLo";
7366 break;
7367 default:
7368 goto cp0_unimplemented;
7369 }
7370 break;
7371 case 29:
7372 switch (sel) {
7373 case 0:
7374 case 2:
7375 case 4:
7376 case 6:
7377 gen_helper_mtc0_taghi(cpu_env, arg);
7378 rn = "TagHi";
7379 break;
7380 case 1:
7381 case 3:
7382 case 5:
7383 case 7:
7384 gen_helper_mtc0_datahi(cpu_env, arg);
7385 rn = "DataHi";
7386 break;
7387 default:
7388 rn = "invalid sel";
7389 goto cp0_unimplemented;
7390 }
7391 break;
7392 case 30:
7393 switch (sel) {
7394 case 0:
7395 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_ErrorEPC));
7396 rn = "ErrorEPC";
7397 break;
7398 default:
7399 goto cp0_unimplemented;
7400 }
7401 break;
7402 case 31:
7403 switch (sel) {
7404 case 0:
7405 /* EJTAG support */
7406 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_DESAVE));
7407 rn = "DESAVE";
7408 break;
7409 case 2 ... 7:
7410 CP0_CHECK(ctx->kscrexist & (1 << sel));
7411 tcg_gen_st_tl(arg, cpu_env,
7412 offsetof(CPUMIPSState, CP0_KScratch[sel-2]));
7413 rn = "KScratch";
7414 break;
7415 default:
7416 goto cp0_unimplemented;
7417 }
7418 /* Stop translation as we may have switched the execution mode */
7419 ctx->bstate = BS_STOP;
7420 break;
7421 default:
7422 goto cp0_unimplemented;
7423 }
7424 (void)rn; /* avoid a compiler warning */
7425 LOG_DISAS("dmtc0 %s (reg %d sel %d)\n", rn, reg, sel);
7426 /* For simplicity assume that all writes can cause interrupts. */
7427 if (ctx->tb->cflags & CF_USE_ICOUNT) {
7428 gen_io_end();
7429 ctx->bstate = BS_STOP;
7430 }
7431 return;
7432
7433 cp0_unimplemented:
7434 LOG_DISAS("dmtc0 %s (reg %d sel %d)\n", rn, reg, sel);
7435 }
7436 #endif /* TARGET_MIPS64 */
7437
7438 static void gen_mftr(CPUMIPSState *env, DisasContext *ctx, int rt, int rd,
7439 int u, int sel, int h)
7440 {
7441 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
7442 TCGv t0 = tcg_temp_local_new();
7443
7444 if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 &&
7445 ((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) !=
7446 (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE))))
7447 tcg_gen_movi_tl(t0, -1);
7448 else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) >
7449 (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
7450 tcg_gen_movi_tl(t0, -1);
7451 else if (u == 0) {
7452 switch (rt) {
7453 case 1:
7454 switch (sel) {
7455 case 1:
7456 gen_helper_mftc0_vpecontrol(t0, cpu_env);
7457 break;
7458 case 2:
7459 gen_helper_mftc0_vpeconf0(t0, cpu_env);
7460 break;
7461 default:
7462 goto die;
7463 break;
7464 }
7465 break;
7466 case 2:
7467 switch (sel) {
7468 case 1:
7469 gen_helper_mftc0_tcstatus(t0, cpu_env);
7470 break;
7471 case 2:
7472 gen_helper_mftc0_tcbind(t0, cpu_env);
7473 break;
7474 case 3:
7475 gen_helper_mftc0_tcrestart(t0, cpu_env);
7476 break;
7477 case 4:
7478 gen_helper_mftc0_tchalt(t0, cpu_env);
7479 break;
7480 case 5:
7481 gen_helper_mftc0_tccontext(t0, cpu_env);
7482 break;
7483 case 6:
7484 gen_helper_mftc0_tcschedule(t0, cpu_env);
7485 break;
7486 case 7:
7487 gen_helper_mftc0_tcschefback(t0, cpu_env);
7488 break;
7489 default:
7490 gen_mfc0(ctx, t0, rt, sel);
7491 break;
7492 }
7493 break;
7494 case 10:
7495 switch (sel) {
7496 case 0:
7497 gen_helper_mftc0_entryhi(t0, cpu_env);
7498 break;
7499 default:
7500 gen_mfc0(ctx, t0, rt, sel);
7501 break;
7502 }
7503 case 12:
7504 switch (sel) {
7505 case 0:
7506 gen_helper_mftc0_status(t0, cpu_env);
7507 break;
7508 default:
7509 gen_mfc0(ctx, t0, rt, sel);
7510 break;
7511 }
7512 case 13:
7513 switch (sel) {
7514 case 0:
7515 gen_helper_mftc0_cause(t0, cpu_env);
7516 break;
7517 default:
7518 goto die;
7519 break;
7520 }
7521 break;
7522 case 14:
7523 switch (sel) {
7524 case 0:
7525 gen_helper_mftc0_epc(t0, cpu_env);
7526 break;
7527 default:
7528 goto die;
7529 break;
7530 }
7531 break;
7532 case 15:
7533 switch (sel) {
7534 case 1:
7535 gen_helper_mftc0_ebase(t0, cpu_env);
7536 break;
7537 default:
7538 goto die;
7539 break;
7540 }
7541 break;
7542 case 16:
7543 switch (sel) {
7544 case 0 ... 7:
7545 gen_helper_mftc0_configx(t0, cpu_env, tcg_const_tl(sel));
7546 break;
7547 default:
7548 goto die;
7549 break;
7550 }
7551 break;
7552 case 23:
7553 switch (sel) {
7554 case 0:
7555 gen_helper_mftc0_debug(t0, cpu_env);
7556 break;
7557 default:
7558 gen_mfc0(ctx, t0, rt, sel);
7559 break;
7560 }
7561 break;
7562 default:
7563 gen_mfc0(ctx, t0, rt, sel);
7564 }
7565 } else switch (sel) {
7566 /* GPR registers. */
7567 case 0:
7568 gen_helper_1e0i(mftgpr, t0, rt);
7569 break;
7570 /* Auxiliary CPU registers */
7571 case 1:
7572 switch (rt) {
7573 case 0:
7574 gen_helper_1e0i(mftlo, t0, 0);
7575 break;
7576 case 1:
7577 gen_helper_1e0i(mfthi, t0, 0);
7578 break;
7579 case 2:
7580 gen_helper_1e0i(mftacx, t0, 0);
7581 break;
7582 case 4:
7583 gen_helper_1e0i(mftlo, t0, 1);
7584 break;
7585 case 5:
7586 gen_helper_1e0i(mfthi, t0, 1);
7587 break;
7588 case 6:
7589 gen_helper_1e0i(mftacx, t0, 1);
7590 break;
7591 case 8:
7592 gen_helper_1e0i(mftlo, t0, 2);
7593 break;
7594 case 9:
7595 gen_helper_1e0i(mfthi, t0, 2);
7596 break;
7597 case 10:
7598 gen_helper_1e0i(mftacx, t0, 2);
7599 break;
7600 case 12:
7601 gen_helper_1e0i(mftlo, t0, 3);
7602 break;
7603 case 13:
7604 gen_helper_1e0i(mfthi, t0, 3);
7605 break;
7606 case 14:
7607 gen_helper_1e0i(mftacx, t0, 3);
7608 break;
7609 case 16:
7610 gen_helper_mftdsp(t0, cpu_env);
7611 break;
7612 default:
7613 goto die;
7614 }
7615 break;
7616 /* Floating point (COP1). */
7617 case 2:
7618 /* XXX: For now we support only a single FPU context. */
7619 if (h == 0) {
7620 TCGv_i32 fp0 = tcg_temp_new_i32();
7621
7622 gen_load_fpr32(ctx, fp0, rt);
7623 tcg_gen_ext_i32_tl(t0, fp0);
7624 tcg_temp_free_i32(fp0);
7625 } else {
7626 TCGv_i32 fp0 = tcg_temp_new_i32();
7627
7628 gen_load_fpr32h(ctx, fp0, rt);
7629 tcg_gen_ext_i32_tl(t0, fp0);
7630 tcg_temp_free_i32(fp0);
7631 }
7632 break;
7633 case 3:
7634 /* XXX: For now we support only a single FPU context. */
7635 gen_helper_1e0i(cfc1, t0, rt);
7636 break;
7637 /* COP2: Not implemented. */
7638 case 4:
7639 case 5:
7640 /* fall through */
7641 default:
7642 goto die;
7643 }
7644 LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h);
7645 gen_store_gpr(t0, rd);
7646 tcg_temp_free(t0);
7647 return;
7648
7649 die:
7650 tcg_temp_free(t0);
7651 LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h);
7652 generate_exception_end(ctx, EXCP_RI);
7653 }
7654
7655 static void gen_mttr(CPUMIPSState *env, DisasContext *ctx, int rd, int rt,
7656 int u, int sel, int h)
7657 {
7658 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
7659 TCGv t0 = tcg_temp_local_new();
7660
7661 gen_load_gpr(t0, rt);
7662 if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 &&
7663 ((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) !=
7664 (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE))))
7665 /* NOP */ ;
7666 else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) >
7667 (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
7668 /* NOP */ ;
7669 else if (u == 0) {
7670 switch (rd) {
7671 case 1:
7672 switch (sel) {
7673 case 1:
7674 gen_helper_mttc0_vpecontrol(cpu_env, t0);
7675 break;
7676 case 2:
7677 gen_helper_mttc0_vpeconf0(cpu_env, t0);
7678 break;
7679 default:
7680 goto die;
7681 break;
7682 }
7683 break;
7684 case 2:
7685 switch (sel) {
7686 case 1:
7687 gen_helper_mttc0_tcstatus(cpu_env, t0);
7688 break;
7689 case 2:
7690 gen_helper_mttc0_tcbind(cpu_env, t0);
7691 break;
7692 case 3:
7693 gen_helper_mttc0_tcrestart(cpu_env, t0);
7694 break;
7695 case 4:
7696 gen_helper_mttc0_tchalt(cpu_env, t0);
7697 break;
7698 case 5:
7699 gen_helper_mttc0_tccontext(cpu_env, t0);
7700 break;
7701 case 6:
7702 gen_helper_mttc0_tcschedule(cpu_env, t0);
7703 break;
7704 case 7:
7705 gen_helper_mttc0_tcschefback(cpu_env, t0);
7706 break;
7707 default:
7708 gen_mtc0(ctx, t0, rd, sel);
7709 break;
7710 }
7711 break;
7712 case 10:
7713 switch (sel) {
7714 case 0:
7715 gen_helper_mttc0_entryhi(cpu_env, t0);
7716 break;
7717 default:
7718 gen_mtc0(ctx, t0, rd, sel);
7719 break;
7720 }
7721 case 12:
7722 switch (sel) {
7723 case 0:
7724 gen_helper_mttc0_status(cpu_env, t0);
7725 break;
7726 default:
7727 gen_mtc0(ctx, t0, rd, sel);
7728 break;
7729 }
7730 case 13:
7731 switch (sel) {
7732 case 0:
7733 gen_helper_mttc0_cause(cpu_env, t0);
7734 break;
7735 default:
7736 goto die;
7737 break;
7738 }
7739 break;
7740 case 15:
7741 switch (sel) {
7742 case 1:
7743 gen_helper_mttc0_ebase(cpu_env, t0);
7744 break;
7745 default:
7746 goto die;
7747 break;
7748 }
7749 break;
7750 case 23:
7751 switch (sel) {
7752 case 0:
7753 gen_helper_mttc0_debug(cpu_env, t0);
7754 break;
7755 default:
7756 gen_mtc0(ctx, t0, rd, sel);
7757 break;
7758 }
7759 break;
7760 default:
7761 gen_mtc0(ctx, t0, rd, sel);
7762 }
7763 } else switch (sel) {
7764 /* GPR registers. */
7765 case 0:
7766 gen_helper_0e1i(mttgpr, t0, rd);
7767 break;
7768 /* Auxiliary CPU registers */
7769 case 1:
7770 switch (rd) {
7771 case 0:
7772 gen_helper_0e1i(mttlo, t0, 0);
7773 break;
7774 case 1:
7775 gen_helper_0e1i(mtthi, t0, 0);
7776 break;
7777 case 2:
7778 gen_helper_0e1i(mttacx, t0, 0);
7779 break;
7780 case 4:
7781 gen_helper_0e1i(mttlo, t0, 1);
7782 break;
7783 case 5:
7784 gen_helper_0e1i(mtthi, t0, 1);
7785 break;
7786 case 6:
7787 gen_helper_0e1i(mttacx, t0, 1);
7788 break;
7789 case 8:
7790 gen_helper_0e1i(mttlo, t0, 2);
7791 break;
7792 case 9:
7793 gen_helper_0e1i(mtthi, t0, 2);
7794 break;
7795 case 10:
7796 gen_helper_0e1i(mttacx, t0, 2);
7797 break;
7798 case 12:
7799 gen_helper_0e1i(mttlo, t0, 3);
7800 break;
7801 case 13:
7802 gen_helper_0e1i(mtthi, t0, 3);
7803 break;
7804 case 14:
7805 gen_helper_0e1i(mttacx, t0, 3);
7806 break;
7807 case 16:
7808 gen_helper_mttdsp(cpu_env, t0);
7809 break;
7810 default:
7811 goto die;
7812 }
7813 break;
7814 /* Floating point (COP1). */
7815 case 2:
7816 /* XXX: For now we support only a single FPU context. */
7817 if (h == 0) {
7818 TCGv_i32 fp0 = tcg_temp_new_i32();
7819
7820 tcg_gen_trunc_tl_i32(fp0, t0);
7821 gen_store_fpr32(ctx, fp0, rd);
7822 tcg_temp_free_i32(fp0);
7823 } else {
7824 TCGv_i32 fp0 = tcg_temp_new_i32();
7825
7826 tcg_gen_trunc_tl_i32(fp0, t0);
7827 gen_store_fpr32h(ctx, fp0, rd);
7828 tcg_temp_free_i32(fp0);
7829 }
7830 break;
7831 case 3:
7832 /* XXX: For now we support only a single FPU context. */
7833 {
7834 TCGv_i32 fs_tmp = tcg_const_i32(rd);
7835
7836 gen_helper_0e2i(ctc1, t0, fs_tmp, rt);
7837 tcg_temp_free_i32(fs_tmp);
7838 }
7839 /* Stop translation as we may have changed hflags */
7840 ctx->bstate = BS_STOP;
7841 break;
7842 /* COP2: Not implemented. */
7843 case 4:
7844 case 5:
7845 /* fall through */
7846 default:
7847 goto die;
7848 }
7849 LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h);
7850 tcg_temp_free(t0);
7851 return;
7852
7853 die:
7854 tcg_temp_free(t0);
7855 LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h);
7856 generate_exception_end(ctx, EXCP_RI);
7857 }
7858
7859 static void gen_cp0 (CPUMIPSState *env, DisasContext *ctx, uint32_t opc, int rt, int rd)
7860 {
7861 const char *opn = "ldst";
7862
7863 check_cp0_enabled(ctx);
7864 switch (opc) {
7865 case OPC_MFC0:
7866 if (rt == 0) {
7867 /* Treat as NOP. */
7868 return;
7869 }
7870 gen_mfc0(ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7);
7871 opn = "mfc0";
7872 break;
7873 case OPC_MTC0:
7874 {
7875 TCGv t0 = tcg_temp_new();
7876
7877 gen_load_gpr(t0, rt);
7878 gen_mtc0(ctx, t0, rd, ctx->opcode & 0x7);
7879 tcg_temp_free(t0);
7880 }
7881 opn = "mtc0";
7882 break;
7883 #if defined(TARGET_MIPS64)
7884 case OPC_DMFC0:
7885 check_insn(ctx, ISA_MIPS3);
7886 if (rt == 0) {
7887 /* Treat as NOP. */
7888 return;
7889 }
7890 gen_dmfc0(ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7);
7891 opn = "dmfc0";
7892 break;
7893 case OPC_DMTC0:
7894 check_insn(ctx, ISA_MIPS3);
7895 {
7896 TCGv t0 = tcg_temp_new();
7897
7898 gen_load_gpr(t0, rt);
7899 gen_dmtc0(ctx, t0, rd, ctx->opcode & 0x7);
7900 tcg_temp_free(t0);
7901 }
7902 opn = "dmtc0";
7903 break;
7904 #endif
7905 case OPC_MFHC0:
7906 check_mvh(ctx);
7907 if (rt == 0) {
7908 /* Treat as NOP. */
7909 return;
7910 }
7911 gen_mfhc0(ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7);
7912 opn = "mfhc0";
7913 break;
7914 case OPC_MTHC0:
7915 check_mvh(ctx);
7916 {
7917 TCGv t0 = tcg_temp_new();
7918 gen_load_gpr(t0, rt);
7919 gen_mthc0(ctx, t0, rd, ctx->opcode & 0x7);
7920 tcg_temp_free(t0);
7921 }
7922 opn = "mthc0";
7923 break;
7924 case OPC_MFTR:
7925 check_insn(ctx, ASE_MT);
7926 if (rd == 0) {
7927 /* Treat as NOP. */
7928 return;
7929 }
7930 gen_mftr(env, ctx, rt, rd, (ctx->opcode >> 5) & 1,
7931 ctx->opcode & 0x7, (ctx->opcode >> 4) & 1);
7932 opn = "mftr";
7933 break;
7934 case OPC_MTTR:
7935 check_insn(ctx, ASE_MT);
7936 gen_mttr(env, ctx, rd, rt, (ctx->opcode >> 5) & 1,
7937 ctx->opcode & 0x7, (ctx->opcode >> 4) & 1);
7938 opn = "mttr";
7939 break;
7940 case OPC_TLBWI:
7941 opn = "tlbwi";
7942 if (!env->tlb->helper_tlbwi)
7943 goto die;
7944 gen_helper_tlbwi(cpu_env);
7945 break;
7946 case OPC_TLBINV:
7947 opn = "tlbinv";
7948 if (ctx->ie >= 2) {
7949 if (!env->tlb->helper_tlbinv) {
7950 goto die;
7951 }
7952 gen_helper_tlbinv(cpu_env);
7953 } /* treat as nop if TLBINV not supported */
7954 break;
7955 case OPC_TLBINVF:
7956 opn = "tlbinvf";
7957 if (ctx->ie >= 2) {
7958 if (!env->tlb->helper_tlbinvf) {
7959 goto die;
7960 }
7961 gen_helper_tlbinvf(cpu_env);
7962 } /* treat as nop if TLBINV not supported */
7963 break;
7964 case OPC_TLBWR:
7965 opn = "tlbwr";
7966 if (!env->tlb->helper_tlbwr)
7967 goto die;
7968 gen_helper_tlbwr(cpu_env);
7969 break;
7970 case OPC_TLBP:
7971 opn = "tlbp";
7972 if (!env->tlb->helper_tlbp)
7973 goto die;
7974 gen_helper_tlbp(cpu_env);
7975 break;
7976 case OPC_TLBR:
7977 opn = "tlbr";
7978 if (!env->tlb->helper_tlbr)
7979 goto die;
7980 gen_helper_tlbr(cpu_env);
7981 break;
7982 case OPC_ERET: /* OPC_ERETNC */
7983 if ((ctx->insn_flags & ISA_MIPS32R6) &&
7984 (ctx->hflags & MIPS_HFLAG_BMASK)) {
7985 goto die;
7986 } else {
7987 int bit_shift = (ctx->hflags & MIPS_HFLAG_M16) ? 16 : 6;
7988 if (ctx->opcode & (1 << bit_shift)) {
7989 /* OPC_ERETNC */
7990 opn = "eretnc";
7991 check_insn(ctx, ISA_MIPS32R5);
7992 gen_helper_eretnc(cpu_env);
7993 } else {
7994 /* OPC_ERET */
7995 opn = "eret";
7996 check_insn(ctx, ISA_MIPS2);
7997 gen_helper_eret(cpu_env);
7998 }
7999 ctx->bstate = BS_EXCP;
8000 }
8001 break;
8002 case OPC_DERET:
8003 opn = "deret";
8004 check_insn(ctx, ISA_MIPS32);
8005 if ((ctx->insn_flags & ISA_MIPS32R6) &&
8006 (ctx->hflags & MIPS_HFLAG_BMASK)) {
8007 goto die;
8008 }
8009 if (!(ctx->hflags & MIPS_HFLAG_DM)) {
8010 MIPS_INVAL(opn);
8011 generate_exception_end(ctx, EXCP_RI);
8012 } else {
8013 gen_helper_deret(cpu_env);
8014 ctx->bstate = BS_EXCP;
8015 }
8016 break;
8017 case OPC_WAIT:
8018 opn = "wait";
8019 check_insn(ctx, ISA_MIPS3 | ISA_MIPS32);
8020 if ((ctx->insn_flags & ISA_MIPS32R6) &&
8021 (ctx->hflags & MIPS_HFLAG_BMASK)) {
8022 goto die;
8023 }
8024 /* If we get an exception, we want to restart at next instruction */
8025 ctx->pc += 4;
8026 save_cpu_state(ctx, 1);
8027 ctx->pc -= 4;
8028 gen_helper_wait(cpu_env);
8029 ctx->bstate = BS_EXCP;
8030 break;
8031 default:
8032 die:
8033 MIPS_INVAL(opn);
8034 generate_exception_end(ctx, EXCP_RI);
8035 return;
8036 }
8037 (void)opn; /* avoid a compiler warning */
8038 }
8039 #endif /* !CONFIG_USER_ONLY */
8040
8041 /* CP1 Branches (before delay slot) */
8042 static void gen_compute_branch1(DisasContext *ctx, uint32_t op,
8043 int32_t cc, int32_t offset)
8044 {
8045 target_ulong btarget;
8046 TCGv_i32 t0 = tcg_temp_new_i32();
8047
8048 if ((ctx->insn_flags & ISA_MIPS32R6) && (ctx->hflags & MIPS_HFLAG_BMASK)) {
8049 generate_exception_end(ctx, EXCP_RI);
8050 goto out;
8051 }
8052
8053 if (cc != 0)
8054 check_insn(ctx, ISA_MIPS4 | ISA_MIPS32);
8055
8056 btarget = ctx->pc + 4 + offset;
8057
8058 switch (op) {
8059 case OPC_BC1F:
8060 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
8061 tcg_gen_not_i32(t0, t0);
8062 tcg_gen_andi_i32(t0, t0, 1);
8063 tcg_gen_extu_i32_tl(bcond, t0);
8064 goto not_likely;
8065 case OPC_BC1FL:
8066 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
8067 tcg_gen_not_i32(t0, t0);
8068 tcg_gen_andi_i32(t0, t0, 1);
8069 tcg_gen_extu_i32_tl(bcond, t0);
8070 goto likely;
8071 case OPC_BC1T:
8072 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
8073 tcg_gen_andi_i32(t0, t0, 1);
8074 tcg_gen_extu_i32_tl(bcond, t0);
8075 goto not_likely;
8076 case OPC_BC1TL:
8077 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
8078 tcg_gen_andi_i32(t0, t0, 1);
8079 tcg_gen_extu_i32_tl(bcond, t0);
8080 likely:
8081 ctx->hflags |= MIPS_HFLAG_BL;
8082 break;
8083 case OPC_BC1FANY2:
8084 {
8085 TCGv_i32 t1 = tcg_temp_new_i32();
8086 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
8087 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
8088 tcg_gen_nand_i32(t0, t0, t1);
8089 tcg_temp_free_i32(t1);
8090 tcg_gen_andi_i32(t0, t0, 1);
8091 tcg_gen_extu_i32_tl(bcond, t0);
8092 }
8093 goto not_likely;
8094 case OPC_BC1TANY2:
8095 {
8096 TCGv_i32 t1 = tcg_temp_new_i32();
8097 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
8098 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
8099 tcg_gen_or_i32(t0, t0, t1);
8100 tcg_temp_free_i32(t1);
8101 tcg_gen_andi_i32(t0, t0, 1);
8102 tcg_gen_extu_i32_tl(bcond, t0);
8103 }
8104 goto not_likely;
8105 case OPC_BC1FANY4:
8106 {
8107 TCGv_i32 t1 = tcg_temp_new_i32();
8108 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
8109 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
8110 tcg_gen_and_i32(t0, t0, t1);
8111 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+2));
8112 tcg_gen_and_i32(t0, t0, t1);
8113 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+3));
8114 tcg_gen_nand_i32(t0, t0, t1);
8115 tcg_temp_free_i32(t1);
8116 tcg_gen_andi_i32(t0, t0, 1);
8117 tcg_gen_extu_i32_tl(bcond, t0);
8118 }
8119 goto not_likely;
8120 case OPC_BC1TANY4:
8121 {
8122 TCGv_i32 t1 = tcg_temp_new_i32();
8123 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
8124 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
8125 tcg_gen_or_i32(t0, t0, t1);
8126 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+2));
8127 tcg_gen_or_i32(t0, t0, t1);
8128 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+3));
8129 tcg_gen_or_i32(t0, t0, t1);
8130 tcg_temp_free_i32(t1);
8131 tcg_gen_andi_i32(t0, t0, 1);
8132 tcg_gen_extu_i32_tl(bcond, t0);
8133 }
8134 not_likely:
8135 ctx->hflags |= MIPS_HFLAG_BC;
8136 break;
8137 default:
8138 MIPS_INVAL("cp1 cond branch");
8139 generate_exception_end(ctx, EXCP_RI);
8140 goto out;
8141 }
8142 ctx->btarget = btarget;
8143 ctx->hflags |= MIPS_HFLAG_BDS32;
8144 out:
8145 tcg_temp_free_i32(t0);
8146 }
8147
8148 /* R6 CP1 Branches */
8149 static void gen_compute_branch1_r6(DisasContext *ctx, uint32_t op,
8150 int32_t ft, int32_t offset,
8151 int delayslot_size)
8152 {
8153 target_ulong btarget;
8154 TCGv_i64 t0 = tcg_temp_new_i64();
8155
8156 if (ctx->hflags & MIPS_HFLAG_BMASK) {
8157 #ifdef MIPS_DEBUG_DISAS
8158 LOG_DISAS("Branch in delay / forbidden slot at PC 0x" TARGET_FMT_lx
8159 "\n", ctx->pc);
8160 #endif
8161 generate_exception_end(ctx, EXCP_RI);
8162 goto out;
8163 }
8164
8165 gen_load_fpr64(ctx, t0, ft);
8166 tcg_gen_andi_i64(t0, t0, 1);
8167
8168 btarget = addr_add(ctx, ctx->pc + 4, offset);
8169
8170 switch (op) {
8171 case OPC_BC1EQZ:
8172 tcg_gen_xori_i64(t0, t0, 1);
8173 ctx->hflags |= MIPS_HFLAG_BC;
8174 break;
8175 case OPC_BC1NEZ:
8176 /* t0 already set */
8177 ctx->hflags |= MIPS_HFLAG_BC;
8178 break;
8179 default:
8180 MIPS_INVAL("cp1 cond branch");
8181 generate_exception_end(ctx, EXCP_RI);
8182 goto out;
8183 }
8184
8185 tcg_gen_trunc_i64_tl(bcond, t0);
8186
8187 ctx->btarget = btarget;
8188
8189 switch (delayslot_size) {
8190 case 2:
8191 ctx->hflags |= MIPS_HFLAG_BDS16;
8192 break;
8193 case 4:
8194 ctx->hflags |= MIPS_HFLAG_BDS32;
8195 break;
8196 }
8197
8198 out:
8199 tcg_temp_free_i64(t0);
8200 }
8201
8202 /* Coprocessor 1 (FPU) */
8203
8204 #define FOP(func, fmt) (((fmt) << 21) | (func))
8205
8206 enum fopcode {
8207 OPC_ADD_S = FOP(0, FMT_S),
8208 OPC_SUB_S = FOP(1, FMT_S),
8209 OPC_MUL_S = FOP(2, FMT_S),
8210 OPC_DIV_S = FOP(3, FMT_S),
8211 OPC_SQRT_S = FOP(4, FMT_S),
8212 OPC_ABS_S = FOP(5, FMT_S),
8213 OPC_MOV_S = FOP(6, FMT_S),
8214 OPC_NEG_S = FOP(7, FMT_S),
8215 OPC_ROUND_L_S = FOP(8, FMT_S),
8216 OPC_TRUNC_L_S = FOP(9, FMT_S),
8217 OPC_CEIL_L_S = FOP(10, FMT_S),
8218 OPC_FLOOR_L_S = FOP(11, FMT_S),
8219 OPC_ROUND_W_S = FOP(12, FMT_S),
8220 OPC_TRUNC_W_S = FOP(13, FMT_S),
8221 OPC_CEIL_W_S = FOP(14, FMT_S),
8222 OPC_FLOOR_W_S = FOP(15, FMT_S),
8223 OPC_SEL_S = FOP(16, FMT_S),
8224 OPC_MOVCF_S = FOP(17, FMT_S),
8225 OPC_MOVZ_S = FOP(18, FMT_S),
8226 OPC_MOVN_S = FOP(19, FMT_S),
8227 OPC_SELEQZ_S = FOP(20, FMT_S),
8228 OPC_RECIP_S = FOP(21, FMT_S),
8229 OPC_RSQRT_S = FOP(22, FMT_S),
8230 OPC_SELNEZ_S = FOP(23, FMT_S),
8231 OPC_MADDF_S = FOP(24, FMT_S),
8232 OPC_MSUBF_S = FOP(25, FMT_S),
8233 OPC_RINT_S = FOP(26, FMT_S),
8234 OPC_CLASS_S = FOP(27, FMT_S),
8235 OPC_MIN_S = FOP(28, FMT_S),
8236 OPC_RECIP2_S = FOP(28, FMT_S),
8237 OPC_MINA_S = FOP(29, FMT_S),
8238 OPC_RECIP1_S = FOP(29, FMT_S),
8239 OPC_MAX_S = FOP(30, FMT_S),
8240 OPC_RSQRT1_S = FOP(30, FMT_S),
8241 OPC_MAXA_S = FOP(31, FMT_S),
8242 OPC_RSQRT2_S = FOP(31, FMT_S),
8243 OPC_CVT_D_S = FOP(33, FMT_S),
8244 OPC_CVT_W_S = FOP(36, FMT_S),
8245 OPC_CVT_L_S = FOP(37, FMT_S),
8246 OPC_CVT_PS_S = FOP(38, FMT_S),
8247 OPC_CMP_F_S = FOP (48, FMT_S),
8248 OPC_CMP_UN_S = FOP (49, FMT_S),
8249 OPC_CMP_EQ_S = FOP (50, FMT_S),
8250 OPC_CMP_UEQ_S = FOP (51, FMT_S),
8251 OPC_CMP_OLT_S = FOP (52, FMT_S),
8252 OPC_CMP_ULT_S = FOP (53, FMT_S),
8253 OPC_CMP_OLE_S = FOP (54, FMT_S),
8254 OPC_CMP_ULE_S = FOP (55, FMT_S),
8255 OPC_CMP_SF_S = FOP (56, FMT_S),
8256 OPC_CMP_NGLE_S = FOP (57, FMT_S),
8257 OPC_CMP_SEQ_S = FOP (58, FMT_S),
8258 OPC_CMP_NGL_S = FOP (59, FMT_S),
8259 OPC_CMP_LT_S = FOP (60, FMT_S),
8260 OPC_CMP_NGE_S = FOP (61, FMT_S),
8261 OPC_CMP_LE_S = FOP (62, FMT_S),
8262 OPC_CMP_NGT_S = FOP (63, FMT_S),
8263
8264 OPC_ADD_D = FOP(0, FMT_D),
8265 OPC_SUB_D = FOP(1, FMT_D),
8266 OPC_MUL_D = FOP(2, FMT_D),
8267 OPC_DIV_D = FOP(3, FMT_D),
8268 OPC_SQRT_D = FOP(4, FMT_D),
8269 OPC_ABS_D = FOP(5, FMT_D),
8270 OPC_MOV_D = FOP(6, FMT_D),
8271 OPC_NEG_D = FOP(7, FMT_D),
8272 OPC_ROUND_L_D = FOP(8, FMT_D),
8273 OPC_TRUNC_L_D = FOP(9, FMT_D),
8274 OPC_CEIL_L_D = FOP(10, FMT_D),
8275 OPC_FLOOR_L_D = FOP(11, FMT_D),
8276 OPC_ROUND_W_D = FOP(12, FMT_D),
8277 OPC_TRUNC_W_D = FOP(13, FMT_D),
8278 OPC_CEIL_W_D = FOP(14, FMT_D),
8279 OPC_FLOOR_W_D = FOP(15, FMT_D),
8280 OPC_SEL_D = FOP(16, FMT_D),
8281 OPC_MOVCF_D = FOP(17, FMT_D),
8282 OPC_MOVZ_D = FOP(18, FMT_D),
8283 OPC_MOVN_D = FOP(19, FMT_D),
8284 OPC_SELEQZ_D = FOP(20, FMT_D),
8285 OPC_RECIP_D = FOP(21, FMT_D),
8286 OPC_RSQRT_D = FOP(22, FMT_D),
8287 OPC_SELNEZ_D = FOP(23, FMT_D),
8288 OPC_MADDF_D = FOP(24, FMT_D),
8289 OPC_MSUBF_D = FOP(25, FMT_D),
8290 OPC_RINT_D = FOP(26, FMT_D),
8291 OPC_CLASS_D = FOP(27, FMT_D),
8292 OPC_MIN_D = FOP(28, FMT_D),
8293 OPC_RECIP2_D = FOP(28, FMT_D),
8294 OPC_MINA_D = FOP(29, FMT_D),
8295 OPC_RECIP1_D = FOP(29, FMT_D),
8296 OPC_MAX_D = FOP(30, FMT_D),
8297 OPC_RSQRT1_D = FOP(30, FMT_D),
8298 OPC_MAXA_D = FOP(31, FMT_D),
8299 OPC_RSQRT2_D = FOP(31, FMT_D),
8300 OPC_CVT_S_D = FOP(32, FMT_D),
8301 OPC_CVT_W_D = FOP(36, FMT_D),
8302 OPC_CVT_L_D = FOP(37, FMT_D),
8303 OPC_CMP_F_D = FOP (48, FMT_D),
8304 OPC_CMP_UN_D = FOP (49, FMT_D),
8305 OPC_CMP_EQ_D = FOP (50, FMT_D),
8306 OPC_CMP_UEQ_D = FOP (51, FMT_D),
8307 OPC_CMP_OLT_D = FOP (52, FMT_D),
8308 OPC_CMP_ULT_D = FOP (53, FMT_D),
8309 OPC_CMP_OLE_D = FOP (54, FMT_D),
8310 OPC_CMP_ULE_D = FOP (55, FMT_D),
8311 OPC_CMP_SF_D = FOP (56, FMT_D),
8312 OPC_CMP_NGLE_D = FOP (57, FMT_D),
8313 OPC_CMP_SEQ_D = FOP (58, FMT_D),
8314 OPC_CMP_NGL_D = FOP (59, FMT_D),
8315 OPC_CMP_LT_D = FOP (60, FMT_D),
8316 OPC_CMP_NGE_D = FOP (61, FMT_D),
8317 OPC_CMP_LE_D = FOP (62, FMT_D),
8318 OPC_CMP_NGT_D = FOP (63, FMT_D),
8319
8320 OPC_CVT_S_W = FOP(32, FMT_W),
8321 OPC_CVT_D_W = FOP(33, FMT_W),
8322 OPC_CVT_S_L = FOP(32, FMT_L),
8323 OPC_CVT_D_L = FOP(33, FMT_L),
8324 OPC_CVT_PS_PW = FOP(38, FMT_W),
8325
8326 OPC_ADD_PS = FOP(0, FMT_PS),
8327 OPC_SUB_PS = FOP(1, FMT_PS),
8328 OPC_MUL_PS = FOP(2, FMT_PS),
8329 OPC_DIV_PS = FOP(3, FMT_PS),
8330 OPC_ABS_PS = FOP(5, FMT_PS),
8331 OPC_MOV_PS = FOP(6, FMT_PS),
8332 OPC_NEG_PS = FOP(7, FMT_PS),
8333 OPC_MOVCF_PS = FOP(17, FMT_PS),
8334 OPC_MOVZ_PS = FOP(18, FMT_PS),
8335 OPC_MOVN_PS = FOP(19, FMT_PS),
8336 OPC_ADDR_PS = FOP(24, FMT_PS),
8337 OPC_MULR_PS = FOP(26, FMT_PS),
8338 OPC_RECIP2_PS = FOP(28, FMT_PS),
8339 OPC_RECIP1_PS = FOP(29, FMT_PS),
8340 OPC_RSQRT1_PS = FOP(30, FMT_PS),
8341 OPC_RSQRT2_PS = FOP(31, FMT_PS),
8342
8343 OPC_CVT_S_PU = FOP(32, FMT_PS),
8344 OPC_CVT_PW_PS = FOP(36, FMT_PS),
8345 OPC_CVT_S_PL = FOP(40, FMT_PS),
8346 OPC_PLL_PS = FOP(44, FMT_PS),
8347 OPC_PLU_PS = FOP(45, FMT_PS),
8348 OPC_PUL_PS = FOP(46, FMT_PS),
8349 OPC_PUU_PS = FOP(47, FMT_PS),
8350 OPC_CMP_F_PS = FOP (48, FMT_PS),
8351 OPC_CMP_UN_PS = FOP (49, FMT_PS),
8352 OPC_CMP_EQ_PS = FOP (50, FMT_PS),
8353 OPC_CMP_UEQ_PS = FOP (51, FMT_PS),
8354 OPC_CMP_OLT_PS = FOP (52, FMT_PS),
8355 OPC_CMP_ULT_PS = FOP (53, FMT_PS),
8356 OPC_CMP_OLE_PS = FOP (54, FMT_PS),
8357 OPC_CMP_ULE_PS = FOP (55, FMT_PS),
8358 OPC_CMP_SF_PS = FOP (56, FMT_PS),
8359 OPC_CMP_NGLE_PS = FOP (57, FMT_PS),
8360 OPC_CMP_SEQ_PS = FOP (58, FMT_PS),
8361 OPC_CMP_NGL_PS = FOP (59, FMT_PS),
8362 OPC_CMP_LT_PS = FOP (60, FMT_PS),
8363 OPC_CMP_NGE_PS = FOP (61, FMT_PS),
8364 OPC_CMP_LE_PS = FOP (62, FMT_PS),
8365 OPC_CMP_NGT_PS = FOP (63, FMT_PS),
8366 };
8367
8368 enum r6_f_cmp_op {
8369 R6_OPC_CMP_AF_S = FOP(0, FMT_W),
8370 R6_OPC_CMP_UN_S = FOP(1, FMT_W),
8371 R6_OPC_CMP_EQ_S = FOP(2, FMT_W),
8372 R6_OPC_CMP_UEQ_S = FOP(3, FMT_W),
8373 R6_OPC_CMP_LT_S = FOP(4, FMT_W),
8374 R6_OPC_CMP_ULT_S = FOP(5, FMT_W),
8375 R6_OPC_CMP_LE_S = FOP(6, FMT_W),
8376 R6_OPC_CMP_ULE_S = FOP(7, FMT_W),
8377 R6_OPC_CMP_SAF_S = FOP(8, FMT_W),
8378 R6_OPC_CMP_SUN_S = FOP(9, FMT_W),
8379 R6_OPC_CMP_SEQ_S = FOP(10, FMT_W),
8380 R6_OPC_CMP_SEUQ_S = FOP(11, FMT_W),
8381 R6_OPC_CMP_SLT_S = FOP(12, FMT_W),
8382 R6_OPC_CMP_SULT_S = FOP(13, FMT_W),
8383 R6_OPC_CMP_SLE_S = FOP(14, FMT_W),
8384 R6_OPC_CMP_SULE_S = FOP(15, FMT_W),
8385 R6_OPC_CMP_OR_S = FOP(17, FMT_W),
8386 R6_OPC_CMP_UNE_S = FOP(18, FMT_W),
8387 R6_OPC_CMP_NE_S = FOP(19, FMT_W),
8388 R6_OPC_CMP_SOR_S = FOP(25, FMT_W),
8389 R6_OPC_CMP_SUNE_S = FOP(26, FMT_W),
8390 R6_OPC_CMP_SNE_S = FOP(27, FMT_W),
8391
8392 R6_OPC_CMP_AF_D = FOP(0, FMT_L),
8393 R6_OPC_CMP_UN_D = FOP(1, FMT_L),
8394 R6_OPC_CMP_EQ_D = FOP(2, FMT_L),
8395 R6_OPC_CMP_UEQ_D = FOP(3, FMT_L),
8396 R6_OPC_CMP_LT_D = FOP(4, FMT_L),
8397 R6_OPC_CMP_ULT_D = FOP(5, FMT_L),
8398 R6_OPC_CMP_LE_D = FOP(6, FMT_L),
8399 R6_OPC_CMP_ULE_D = FOP(7, FMT_L),
8400 R6_OPC_CMP_SAF_D = FOP(8, FMT_L),
8401 R6_OPC_CMP_SUN_D = FOP(9, FMT_L),
8402 R6_OPC_CMP_SEQ_D = FOP(10, FMT_L),
8403 R6_OPC_CMP_SEUQ_D = FOP(11, FMT_L),
8404 R6_OPC_CMP_SLT_D = FOP(12, FMT_L),
8405 R6_OPC_CMP_SULT_D = FOP(13, FMT_L),
8406 R6_OPC_CMP_SLE_D = FOP(14, FMT_L),
8407 R6_OPC_CMP_SULE_D = FOP(15, FMT_L),
8408 R6_OPC_CMP_OR_D = FOP(17, FMT_L),
8409 R6_OPC_CMP_UNE_D = FOP(18, FMT_L),
8410 R6_OPC_CMP_NE_D = FOP(19, FMT_L),
8411 R6_OPC_CMP_SOR_D = FOP(25, FMT_L),
8412 R6_OPC_CMP_SUNE_D = FOP(26, FMT_L),
8413 R6_OPC_CMP_SNE_D = FOP(27, FMT_L),
8414 };
8415 static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs)
8416 {
8417 TCGv t0 = tcg_temp_new();
8418
8419 switch (opc) {
8420 case OPC_MFC1:
8421 {
8422 TCGv_i32 fp0 = tcg_temp_new_i32();
8423
8424 gen_load_fpr32(ctx, fp0, fs);
8425 tcg_gen_ext_i32_tl(t0, fp0);
8426 tcg_temp_free_i32(fp0);
8427 }
8428 gen_store_gpr(t0, rt);
8429 break;
8430 case OPC_MTC1:
8431 gen_load_gpr(t0, rt);
8432 {
8433 TCGv_i32 fp0 = tcg_temp_new_i32();
8434
8435 tcg_gen_trunc_tl_i32(fp0, t0);
8436 gen_store_fpr32(ctx, fp0, fs);
8437 tcg_temp_free_i32(fp0);
8438 }
8439 break;
8440 case OPC_CFC1:
8441 gen_helper_1e0i(cfc1, t0, fs);
8442 gen_store_gpr(t0, rt);
8443 break;
8444 case OPC_CTC1:
8445 gen_load_gpr(t0, rt);
8446 save_cpu_state(ctx, 0);
8447 {
8448 TCGv_i32 fs_tmp = tcg_const_i32(fs);
8449
8450 gen_helper_0e2i(ctc1, t0, fs_tmp, rt);
8451 tcg_temp_free_i32(fs_tmp);
8452 }
8453 /* Stop translation as we may have changed hflags */
8454 ctx->bstate = BS_STOP;
8455 break;
8456 #if defined(TARGET_MIPS64)
8457 case OPC_DMFC1:
8458 gen_load_fpr64(ctx, t0, fs);
8459 gen_store_gpr(t0, rt);
8460 break;
8461 case OPC_DMTC1:
8462 gen_load_gpr(t0, rt);
8463 gen_store_fpr64(ctx, t0, fs);
8464 break;
8465 #endif
8466 case OPC_MFHC1:
8467 {
8468 TCGv_i32 fp0 = tcg_temp_new_i32();
8469
8470 gen_load_fpr32h(ctx, fp0, fs);
8471 tcg_gen_ext_i32_tl(t0, fp0);
8472 tcg_temp_free_i32(fp0);
8473 }
8474 gen_store_gpr(t0, rt);
8475 break;
8476 case OPC_MTHC1:
8477 gen_load_gpr(t0, rt);
8478 {
8479 TCGv_i32 fp0 = tcg_temp_new_i32();
8480
8481 tcg_gen_trunc_tl_i32(fp0, t0);
8482 gen_store_fpr32h(ctx, fp0, fs);
8483 tcg_temp_free_i32(fp0);
8484 }
8485 break;
8486 default:
8487 MIPS_INVAL("cp1 move");
8488 generate_exception_end(ctx, EXCP_RI);
8489 goto out;
8490 }
8491
8492 out:
8493 tcg_temp_free(t0);
8494 }
8495
8496 static void gen_movci (DisasContext *ctx, int rd, int rs, int cc, int tf)
8497 {
8498 TCGLabel *l1;
8499 TCGCond cond;
8500 TCGv_i32 t0;
8501
8502 if (rd == 0) {
8503 /* Treat as NOP. */
8504 return;
8505 }
8506
8507 if (tf)
8508 cond = TCG_COND_EQ;
8509 else
8510 cond = TCG_COND_NE;
8511
8512 l1 = gen_new_label();
8513 t0 = tcg_temp_new_i32();
8514 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
8515 tcg_gen_brcondi_i32(cond, t0, 0, l1);
8516 tcg_temp_free_i32(t0);
8517 if (rs == 0) {
8518 tcg_gen_movi_tl(cpu_gpr[rd], 0);
8519 } else {
8520 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
8521 }
8522 gen_set_label(l1);
8523 }
8524
8525 static inline void gen_movcf_s(DisasContext *ctx, int fs, int fd, int cc,
8526 int tf)
8527 {
8528 int cond;
8529 TCGv_i32 t0 = tcg_temp_new_i32();
8530 TCGLabel *l1 = gen_new_label();
8531
8532 if (tf)
8533 cond = TCG_COND_EQ;
8534 else
8535 cond = TCG_COND_NE;
8536
8537 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
8538 tcg_gen_brcondi_i32(cond, t0, 0, l1);
8539 gen_load_fpr32(ctx, t0, fs);
8540 gen_store_fpr32(ctx, t0, fd);
8541 gen_set_label(l1);
8542 tcg_temp_free_i32(t0);
8543 }
8544
8545 static inline void gen_movcf_d (DisasContext *ctx, int fs, int fd, int cc, int tf)
8546 {
8547 int cond;
8548 TCGv_i32 t0 = tcg_temp_new_i32();
8549 TCGv_i64 fp0;
8550 TCGLabel *l1 = gen_new_label();
8551
8552 if (tf)
8553 cond = TCG_COND_EQ;
8554 else
8555 cond = TCG_COND_NE;
8556
8557 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
8558 tcg_gen_brcondi_i32(cond, t0, 0, l1);
8559 tcg_temp_free_i32(t0);
8560 fp0 = tcg_temp_new_i64();
8561 gen_load_fpr64(ctx, fp0, fs);
8562 gen_store_fpr64(ctx, fp0, fd);
8563 tcg_temp_free_i64(fp0);
8564 gen_set_label(l1);
8565 }
8566
8567 static inline void gen_movcf_ps(DisasContext *ctx, int fs, int fd,
8568 int cc, int tf)
8569 {
8570 int cond;
8571 TCGv_i32 t0 = tcg_temp_new_i32();
8572 TCGLabel *l1 = gen_new_label();
8573 TCGLabel *l2 = gen_new_label();
8574
8575 if (tf)
8576 cond = TCG_COND_EQ;
8577 else
8578 cond = TCG_COND_NE;
8579
8580 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
8581 tcg_gen_brcondi_i32(cond, t0, 0, l1);
8582 gen_load_fpr32(ctx, t0, fs);
8583 gen_store_fpr32(ctx, t0, fd);
8584 gen_set_label(l1);
8585
8586 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc+1));
8587 tcg_gen_brcondi_i32(cond, t0, 0, l2);
8588 gen_load_fpr32h(ctx, t0, fs);
8589 gen_store_fpr32h(ctx, t0, fd);
8590 tcg_temp_free_i32(t0);
8591 gen_set_label(l2);
8592 }
8593
8594 static void gen_sel_s(DisasContext *ctx, enum fopcode op1, int fd, int ft,
8595 int fs)
8596 {
8597 TCGv_i32 t1 = tcg_const_i32(0);
8598 TCGv_i32 fp0 = tcg_temp_new_i32();
8599 TCGv_i32 fp1 = tcg_temp_new_i32();
8600 TCGv_i32 fp2 = tcg_temp_new_i32();
8601 gen_load_fpr32(ctx, fp0, fd);
8602 gen_load_fpr32(ctx, fp1, ft);
8603 gen_load_fpr32(ctx, fp2, fs);
8604
8605 switch (op1) {
8606 case OPC_SEL_S:
8607 tcg_gen_andi_i32(fp0, fp0, 1);
8608 tcg_gen_movcond_i32(TCG_COND_NE, fp0, fp0, t1, fp1, fp2);
8609 break;
8610 case OPC_SELEQZ_S:
8611 tcg_gen_andi_i32(fp1, fp1, 1);
8612 tcg_gen_movcond_i32(TCG_COND_EQ, fp0, fp1, t1, fp2, t1);
8613 break;
8614 case OPC_SELNEZ_S:
8615 tcg_gen_andi_i32(fp1, fp1, 1);
8616 tcg_gen_movcond_i32(TCG_COND_NE, fp0, fp1, t1, fp2, t1);
8617 break;
8618 default:
8619 MIPS_INVAL("gen_sel_s");
8620 generate_exception_end(ctx, EXCP_RI);
8621 break;
8622 }
8623
8624 gen_store_fpr32(ctx, fp0, fd);
8625 tcg_temp_free_i32(fp2);
8626 tcg_temp_free_i32(fp1);
8627 tcg_temp_free_i32(fp0);
8628 tcg_temp_free_i32(t1);
8629 }
8630
8631 static void gen_sel_d(DisasContext *ctx, enum fopcode op1, int fd, int ft,
8632 int fs)
8633 {
8634 TCGv_i64 t1 = tcg_const_i64(0);
8635 TCGv_i64 fp0 = tcg_temp_new_i64();
8636 TCGv_i64 fp1 = tcg_temp_new_i64();
8637 TCGv_i64 fp2 = tcg_temp_new_i64();
8638 gen_load_fpr64(ctx, fp0, fd);
8639 gen_load_fpr64(ctx, fp1, ft);
8640 gen_load_fpr64(ctx, fp2, fs);
8641
8642 switch (op1) {
8643 case OPC_SEL_D:
8644 tcg_gen_andi_i64(fp0, fp0, 1);
8645 tcg_gen_movcond_i64(TCG_COND_NE, fp0, fp0, t1, fp1, fp2);
8646 break;
8647 case OPC_SELEQZ_D:
8648 tcg_gen_andi_i64(fp1, fp1, 1);
8649 tcg_gen_movcond_i64(TCG_COND_EQ, fp0, fp1, t1, fp2, t1);
8650 break;
8651 case OPC_SELNEZ_D:
8652 tcg_gen_andi_i64(fp1, fp1, 1);
8653 tcg_gen_movcond_i64(TCG_COND_NE, fp0, fp1, t1, fp2, t1);
8654 break;
8655 default:
8656 MIPS_INVAL("gen_sel_d");
8657 generate_exception_end(ctx, EXCP_RI);
8658 break;
8659 }
8660
8661 gen_store_fpr64(ctx, fp0, fd);
8662 tcg_temp_free_i64(fp2);
8663 tcg_temp_free_i64(fp1);
8664 tcg_temp_free_i64(fp0);
8665 tcg_temp_free_i64(t1);
8666 }
8667
8668 static void gen_farith (DisasContext *ctx, enum fopcode op1,
8669 int ft, int fs, int fd, int cc)
8670 {
8671 uint32_t func = ctx->opcode & 0x3f;
8672 switch (op1) {
8673 case OPC_ADD_S:
8674 {
8675 TCGv_i32 fp0 = tcg_temp_new_i32();
8676 TCGv_i32 fp1 = tcg_temp_new_i32();
8677
8678 gen_load_fpr32(ctx, fp0, fs);
8679 gen_load_fpr32(ctx, fp1, ft);
8680 gen_helper_float_add_s(fp0, cpu_env, fp0, fp1);
8681 tcg_temp_free_i32(fp1);
8682 gen_store_fpr32(ctx, fp0, fd);
8683 tcg_temp_free_i32(fp0);
8684 }
8685 break;
8686 case OPC_SUB_S:
8687 {
8688 TCGv_i32 fp0 = tcg_temp_new_i32();
8689 TCGv_i32 fp1 = tcg_temp_new_i32();
8690
8691 gen_load_fpr32(ctx, fp0, fs);
8692 gen_load_fpr32(ctx, fp1, ft);
8693 gen_helper_float_sub_s(fp0, cpu_env, fp0, fp1);
8694 tcg_temp_free_i32(fp1);
8695 gen_store_fpr32(ctx, fp0, fd);
8696 tcg_temp_free_i32(fp0);
8697 }
8698 break;
8699 case OPC_MUL_S:
8700 {
8701 TCGv_i32 fp0 = tcg_temp_new_i32();
8702 TCGv_i32 fp1 = tcg_temp_new_i32();
8703
8704 gen_load_fpr32(ctx, fp0, fs);
8705 gen_load_fpr32(ctx, fp1, ft);
8706 gen_helper_float_mul_s(fp0, cpu_env, fp0, fp1);
8707 tcg_temp_free_i32(fp1);
8708 gen_store_fpr32(ctx, fp0, fd);
8709 tcg_temp_free_i32(fp0);
8710 }
8711 break;
8712 case OPC_DIV_S:
8713 {
8714 TCGv_i32 fp0 = tcg_temp_new_i32();
8715 TCGv_i32 fp1 = tcg_temp_new_i32();
8716
8717 gen_load_fpr32(ctx, fp0, fs);
8718 gen_load_fpr32(ctx, fp1, ft);
8719 gen_helper_float_div_s(fp0, cpu_env, fp0, fp1);
8720 tcg_temp_free_i32(fp1);
8721 gen_store_fpr32(ctx, fp0, fd);
8722 tcg_temp_free_i32(fp0);
8723 }
8724 break;
8725 case OPC_SQRT_S:
8726 {
8727 TCGv_i32 fp0 = tcg_temp_new_i32();
8728
8729 gen_load_fpr32(ctx, fp0, fs);
8730 gen_helper_float_sqrt_s(fp0, cpu_env, fp0);
8731 gen_store_fpr32(ctx, fp0, fd);
8732 tcg_temp_free_i32(fp0);
8733 }
8734 break;
8735 case OPC_ABS_S:
8736 {
8737 TCGv_i32 fp0 = tcg_temp_new_i32();
8738
8739 gen_load_fpr32(ctx, fp0, fs);
8740 gen_helper_float_abs_s(fp0, fp0);
8741 gen_store_fpr32(ctx, fp0, fd);
8742 tcg_temp_free_i32(fp0);
8743 }
8744 break;
8745 case OPC_MOV_S:
8746 {
8747 TCGv_i32 fp0 = tcg_temp_new_i32();
8748
8749 gen_load_fpr32(ctx, fp0, fs);
8750 gen_store_fpr32(ctx, fp0, fd);
8751 tcg_temp_free_i32(fp0);
8752 }
8753 break;
8754 case OPC_NEG_S:
8755 {
8756 TCGv_i32 fp0 = tcg_temp_new_i32();
8757
8758 gen_load_fpr32(ctx, fp0, fs);
8759 gen_helper_float_chs_s(fp0, fp0);
8760 gen_store_fpr32(ctx, fp0, fd);
8761 tcg_temp_free_i32(fp0);
8762 }
8763 break;
8764 case OPC_ROUND_L_S:
8765 check_cp1_64bitmode(ctx);
8766 {
8767 TCGv_i32 fp32 = tcg_temp_new_i32();
8768 TCGv_i64 fp64 = tcg_temp_new_i64();
8769
8770 gen_load_fpr32(ctx, fp32, fs);
8771 gen_helper_float_roundl_s(fp64, cpu_env, fp32);
8772 tcg_temp_free_i32(fp32);
8773 gen_store_fpr64(ctx, fp64, fd);
8774 tcg_temp_free_i64(fp64);
8775 }
8776 break;
8777 case OPC_TRUNC_L_S:
8778 check_cp1_64bitmode(ctx);
8779 {
8780 TCGv_i32 fp32 = tcg_temp_new_i32();
8781 TCGv_i64 fp64 = tcg_temp_new_i64();
8782
8783 gen_load_fpr32(ctx, fp32, fs);
8784 gen_helper_float_truncl_s(fp64, cpu_env, fp32);
8785 tcg_temp_free_i32(fp32);
8786 gen_store_fpr64(ctx, fp64, fd);
8787 tcg_temp_free_i64(fp64);
8788 }
8789 break;
8790 case OPC_CEIL_L_S:
8791 check_cp1_64bitmode(ctx);
8792 {
8793 TCGv_i32 fp32 = tcg_temp_new_i32();
8794 TCGv_i64 fp64 = tcg_temp_new_i64();
8795
8796 gen_load_fpr32(ctx, fp32, fs);
8797 gen_helper_float_ceill_s(fp64, cpu_env, fp32);
8798 tcg_temp_free_i32(fp32);
8799 gen_store_fpr64(ctx, fp64, fd);
8800 tcg_temp_free_i64(fp64);
8801 }
8802 break;
8803 case OPC_FLOOR_L_S:
8804 check_cp1_64bitmode(ctx);
8805 {
8806 TCGv_i32 fp32 = tcg_temp_new_i32();
8807 TCGv_i64 fp64 = tcg_temp_new_i64();
8808
8809 gen_load_fpr32(ctx, fp32, fs);
8810 gen_helper_float_floorl_s(fp64, cpu_env, fp32);
8811 tcg_temp_free_i32(fp32);
8812 gen_store_fpr64(ctx, fp64, fd);
8813 tcg_temp_free_i64(fp64);
8814 }
8815 break;
8816 case OPC_ROUND_W_S:
8817 {
8818 TCGv_i32 fp0 = tcg_temp_new_i32();
8819
8820 gen_load_fpr32(ctx, fp0, fs);
8821 gen_helper_float_roundw_s(fp0, cpu_env, fp0);
8822 gen_store_fpr32(ctx, fp0, fd);
8823 tcg_temp_free_i32(fp0);
8824 }
8825 break;
8826 case OPC_TRUNC_W_S:
8827 {
8828 TCGv_i32 fp0 = tcg_temp_new_i32();
8829
8830 gen_load_fpr32(ctx, fp0, fs);
8831 gen_helper_float_truncw_s(fp0, cpu_env, fp0);
8832 gen_store_fpr32(ctx, fp0, fd);
8833 tcg_temp_free_i32(fp0);
8834 }
8835 break;
8836 case OPC_CEIL_W_S:
8837 {
8838 TCGv_i32 fp0 = tcg_temp_new_i32();
8839
8840 gen_load_fpr32(ctx, fp0, fs);
8841 gen_helper_float_ceilw_s(fp0, cpu_env, fp0);
8842 gen_store_fpr32(ctx, fp0, fd);
8843 tcg_temp_free_i32(fp0);
8844 }
8845 break;
8846 case OPC_FLOOR_W_S:
8847 {
8848 TCGv_i32 fp0 = tcg_temp_new_i32();
8849
8850 gen_load_fpr32(ctx, fp0, fs);
8851 gen_helper_float_floorw_s(fp0, cpu_env, fp0);
8852 gen_store_fpr32(ctx, fp0, fd);
8853 tcg_temp_free_i32(fp0);
8854 }
8855 break;
8856 case OPC_SEL_S:
8857 check_insn(ctx, ISA_MIPS32R6);
8858 gen_sel_s(ctx, op1, fd, ft, fs);
8859 break;
8860 case OPC_SELEQZ_S:
8861 check_insn(ctx, ISA_MIPS32R6);
8862 gen_sel_s(ctx, op1, fd, ft, fs);
8863 break;
8864 case OPC_SELNEZ_S:
8865 check_insn(ctx, ISA_MIPS32R6);
8866 gen_sel_s(ctx, op1, fd, ft, fs);
8867 break;
8868 case OPC_MOVCF_S:
8869 check_insn_opc_removed(ctx, ISA_MIPS32R6);
8870 gen_movcf_s(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1);
8871 break;
8872 case OPC_MOVZ_S:
8873 check_insn_opc_removed(ctx, ISA_MIPS32R6);
8874 {
8875 TCGLabel *l1 = gen_new_label();
8876 TCGv_i32 fp0;
8877
8878 if (ft != 0) {
8879 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
8880 }
8881 fp0 = tcg_temp_new_i32();
8882 gen_load_fpr32(ctx, fp0, fs);
8883 gen_store_fpr32(ctx, fp0, fd);
8884 tcg_temp_free_i32(fp0);
8885 gen_set_label(l1);
8886 }
8887 break;
8888 case OPC_MOVN_S:
8889 check_insn_opc_removed(ctx, ISA_MIPS32R6);
8890 {
8891 TCGLabel *l1 = gen_new_label();
8892 TCGv_i32 fp0;
8893
8894 if (ft != 0) {
8895 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
8896 fp0 = tcg_temp_new_i32();
8897 gen_load_fpr32(ctx, fp0, fs);
8898 gen_store_fpr32(ctx, fp0, fd);
8899 tcg_temp_free_i32(fp0);
8900 gen_set_label(l1);
8901 }
8902 }
8903 break;
8904 case OPC_RECIP_S:
8905 {
8906 TCGv_i32 fp0 = tcg_temp_new_i32();
8907
8908 gen_load_fpr32(ctx, fp0, fs);
8909 gen_helper_float_recip_s(fp0, cpu_env, fp0);
8910 gen_store_fpr32(ctx, fp0, fd);
8911 tcg_temp_free_i32(fp0);
8912 }
8913 break;
8914 case OPC_RSQRT_S:
8915 {
8916 TCGv_i32 fp0 = tcg_temp_new_i32();
8917
8918 gen_load_fpr32(ctx, fp0, fs);
8919 gen_helper_float_rsqrt_s(fp0, cpu_env, fp0);
8920 gen_store_fpr32(ctx, fp0, fd);
8921 tcg_temp_free_i32(fp0);
8922 }
8923 break;
8924 case OPC_MADDF_S:
8925 check_insn(ctx, ISA_MIPS32R6);
8926 {
8927 TCGv_i32 fp0 = tcg_temp_new_i32();
8928 TCGv_i32 fp1 = tcg_temp_new_i32();
8929 TCGv_i32 fp2 = tcg_temp_new_i32();
8930 gen_load_fpr32(ctx, fp0, fs);
8931 gen_load_fpr32(ctx, fp1, ft);
8932 gen_load_fpr32(ctx, fp2, fd);
8933 gen_helper_float_maddf_s(fp2, cpu_env, fp0, fp1, fp2);
8934 gen_store_fpr32(ctx, fp2, fd);
8935 tcg_temp_free_i32(fp2);
8936 tcg_temp_free_i32(fp1);
8937 tcg_temp_free_i32(fp0);
8938 }
8939 break;
8940 case OPC_MSUBF_S:
8941 check_insn(ctx, ISA_MIPS32R6);
8942 {
8943 TCGv_i32 fp0 = tcg_temp_new_i32();
8944 TCGv_i32 fp1 = tcg_temp_new_i32();
8945 TCGv_i32 fp2 = tcg_temp_new_i32();
8946 gen_load_fpr32(ctx, fp0, fs);
8947 gen_load_fpr32(ctx, fp1, ft);
8948 gen_load_fpr32(ctx, fp2, fd);
8949 gen_helper_float_msubf_s(fp2, cpu_env, fp0, fp1, fp2);
8950 gen_store_fpr32(ctx, fp2, fd);
8951 tcg_temp_free_i32(fp2);
8952 tcg_temp_free_i32(fp1);
8953 tcg_temp_free_i32(fp0);
8954 }
8955 break;
8956 case OPC_RINT_S:
8957 check_insn(ctx, ISA_MIPS32R6);
8958 {
8959 TCGv_i32 fp0 = tcg_temp_new_i32();
8960 gen_load_fpr32(ctx, fp0, fs);
8961 gen_helper_float_rint_s(fp0, cpu_env, fp0);
8962 gen_store_fpr32(ctx, fp0, fd);
8963 tcg_temp_free_i32(fp0);
8964 }
8965 break;
8966 case OPC_CLASS_S:
8967 check_insn(ctx, ISA_MIPS32R6);
8968 {
8969 TCGv_i32 fp0 = tcg_temp_new_i32();
8970 gen_load_fpr32(ctx, fp0, fs);
8971 gen_helper_float_class_s(fp0, fp0);
8972 gen_store_fpr32(ctx, fp0, fd);
8973 tcg_temp_free_i32(fp0);
8974 }
8975 break;
8976 case OPC_MIN_S: /* OPC_RECIP2_S */
8977 if (ctx->insn_flags & ISA_MIPS32R6) {
8978 /* OPC_MIN_S */
8979 TCGv_i32 fp0 = tcg_temp_new_i32();
8980 TCGv_i32 fp1 = tcg_temp_new_i32();
8981 TCGv_i32 fp2 = tcg_temp_new_i32();
8982 gen_load_fpr32(ctx, fp0, fs);
8983 gen_load_fpr32(ctx, fp1, ft);
8984 gen_helper_float_min_s(fp2, cpu_env, fp0, fp1);
8985 gen_store_fpr32(ctx, fp2, fd);
8986 tcg_temp_free_i32(fp2);
8987 tcg_temp_free_i32(fp1);
8988 tcg_temp_free_i32(fp0);
8989 } else {
8990 /* OPC_RECIP2_S */
8991 check_cp1_64bitmode(ctx);
8992 {
8993 TCGv_i32 fp0 = tcg_temp_new_i32();
8994 TCGv_i32 fp1 = tcg_temp_new_i32();
8995
8996 gen_load_fpr32(ctx, fp0, fs);
8997 gen_load_fpr32(ctx, fp1, ft);
8998 gen_helper_float_recip2_s(fp0, cpu_env, fp0, fp1);
8999 tcg_temp_free_i32(fp1);
9000 gen_store_fpr32(ctx, fp0, fd);
9001 tcg_temp_free_i32(fp0);
9002 }
9003 }
9004 break;
9005 case OPC_MINA_S: /* OPC_RECIP1_S */
9006 if (ctx->insn_flags & ISA_MIPS32R6) {
9007 /* OPC_MINA_S */
9008 TCGv_i32 fp0 = tcg_temp_new_i32();
9009 TCGv_i32 fp1 = tcg_temp_new_i32();
9010 TCGv_i32 fp2 = tcg_temp_new_i32();
9011 gen_load_fpr32(ctx, fp0, fs);
9012 gen_load_fpr32(ctx, fp1, ft);
9013 gen_helper_float_mina_s(fp2, cpu_env, fp0, fp1);
9014 gen_store_fpr32(ctx, fp2, fd);
9015 tcg_temp_free_i32(fp2);
9016 tcg_temp_free_i32(fp1);
9017 tcg_temp_free_i32(fp0);
9018 } else {
9019 /* OPC_RECIP1_S */
9020 check_cp1_64bitmode(ctx);
9021 {
9022 TCGv_i32 fp0 = tcg_temp_new_i32();
9023
9024 gen_load_fpr32(ctx, fp0, fs);
9025 gen_helper_float_recip1_s(fp0, cpu_env, fp0);
9026 gen_store_fpr32(ctx, fp0, fd);
9027 tcg_temp_free_i32(fp0);
9028 }
9029 }
9030 break;
9031 case OPC_MAX_S: /* OPC_RSQRT1_S */
9032 if (ctx->insn_flags & ISA_MIPS32R6) {
9033 /* OPC_MAX_S */
9034 TCGv_i32 fp0 = tcg_temp_new_i32();
9035 TCGv_i32 fp1 = tcg_temp_new_i32();
9036 gen_load_fpr32(ctx, fp0, fs);
9037 gen_load_fpr32(ctx, fp1, ft);
9038 gen_helper_float_max_s(fp1, cpu_env, fp0, fp1);
9039 gen_store_fpr32(ctx, fp1, fd);
9040 tcg_temp_free_i32(fp1);
9041 tcg_temp_free_i32(fp0);
9042 } else {
9043 /* OPC_RSQRT1_S */
9044 check_cp1_64bitmode(ctx);
9045 {
9046 TCGv_i32 fp0 = tcg_temp_new_i32();
9047
9048 gen_load_fpr32(ctx, fp0, fs);
9049 gen_helper_float_rsqrt1_s(fp0, cpu_env, fp0);
9050 gen_store_fpr32(ctx, fp0, fd);
9051 tcg_temp_free_i32(fp0);
9052 }
9053 }
9054 break;
9055 case OPC_MAXA_S: /* OPC_RSQRT2_S */
9056 if (ctx->insn_flags & ISA_MIPS32R6) {
9057 /* OPC_MAXA_S */
9058 TCGv_i32 fp0 = tcg_temp_new_i32();
9059 TCGv_i32 fp1 = tcg_temp_new_i32();
9060 gen_load_fpr32(ctx, fp0, fs);
9061 gen_load_fpr32(ctx, fp1, ft);
9062 gen_helper_float_maxa_s(fp1, cpu_env, fp0, fp1);
9063 gen_store_fpr32(ctx, fp1, fd);
9064 tcg_temp_free_i32(fp1);
9065 tcg_temp_free_i32(fp0);
9066 } else {
9067 /* OPC_RSQRT2_S */
9068 check_cp1_64bitmode(ctx);
9069 {
9070 TCGv_i32 fp0 = tcg_temp_new_i32();
9071 TCGv_i32 fp1 = tcg_temp_new_i32();
9072
9073 gen_load_fpr32(ctx, fp0, fs);
9074 gen_load_fpr32(ctx, fp1, ft);
9075 gen_helper_float_rsqrt2_s(fp0, cpu_env, fp0, fp1);
9076 tcg_temp_free_i32(fp1);
9077 gen_store_fpr32(ctx, fp0, fd);
9078 tcg_temp_free_i32(fp0);
9079 }
9080 }
9081 break;
9082 case OPC_CVT_D_S:
9083 check_cp1_registers(ctx, fd);
9084 {
9085 TCGv_i32 fp32 = tcg_temp_new_i32();
9086 TCGv_i64 fp64 = tcg_temp_new_i64();
9087
9088 gen_load_fpr32(ctx, fp32, fs);
9089 gen_helper_float_cvtd_s(fp64, cpu_env, fp32);
9090 tcg_temp_free_i32(fp32);
9091 gen_store_fpr64(ctx, fp64, fd);
9092 tcg_temp_free_i64(fp64);
9093 }
9094 break;
9095 case OPC_CVT_W_S:
9096 {
9097 TCGv_i32 fp0 = tcg_temp_new_i32();
9098
9099 gen_load_fpr32(ctx, fp0, fs);
9100 gen_helper_float_cvtw_s(fp0, cpu_env, fp0);
9101 gen_store_fpr32(ctx, fp0, fd);
9102 tcg_temp_free_i32(fp0);
9103 }
9104 break;
9105 case OPC_CVT_L_S:
9106 check_cp1_64bitmode(ctx);
9107 {
9108 TCGv_i32 fp32 = tcg_temp_new_i32();
9109 TCGv_i64 fp64 = tcg_temp_new_i64();
9110
9111 gen_load_fpr32(ctx, fp32, fs);
9112 gen_helper_float_cvtl_s(fp64, cpu_env, fp32);
9113 tcg_temp_free_i32(fp32);
9114 gen_store_fpr64(ctx, fp64, fd);
9115 tcg_temp_free_i64(fp64);
9116 }
9117 break;
9118 case OPC_CVT_PS_S:
9119 check_ps(ctx);
9120 {
9121 TCGv_i64 fp64 = tcg_temp_new_i64();
9122 TCGv_i32 fp32_0 = tcg_temp_new_i32();
9123 TCGv_i32 fp32_1 = tcg_temp_new_i32();
9124
9125 gen_load_fpr32(ctx, fp32_0, fs);
9126 gen_load_fpr32(ctx, fp32_1, ft);
9127 tcg_gen_concat_i32_i64(fp64, fp32_1, fp32_0);
9128 tcg_temp_free_i32(fp32_1);
9129 tcg_temp_free_i32(fp32_0);
9130 gen_store_fpr64(ctx, fp64, fd);
9131 tcg_temp_free_i64(fp64);
9132 }
9133 break;
9134 case OPC_CMP_F_S:
9135 case OPC_CMP_UN_S:
9136 case OPC_CMP_EQ_S:
9137 case OPC_CMP_UEQ_S:
9138 case OPC_CMP_OLT_S:
9139 case OPC_CMP_ULT_S:
9140 case OPC_CMP_OLE_S:
9141 case OPC_CMP_ULE_S:
9142 case OPC_CMP_SF_S:
9143 case OPC_CMP_NGLE_S:
9144 case OPC_CMP_SEQ_S:
9145 case OPC_CMP_NGL_S:
9146 case OPC_CMP_LT_S:
9147 case OPC_CMP_NGE_S:
9148 case OPC_CMP_LE_S:
9149 case OPC_CMP_NGT_S:
9150 check_insn_opc_removed(ctx, ISA_MIPS32R6);
9151 if (ctx->opcode & (1 << 6)) {
9152 gen_cmpabs_s(ctx, func-48, ft, fs, cc);
9153 } else {
9154 gen_cmp_s(ctx, func-48, ft, fs, cc);
9155 }
9156 break;
9157 case OPC_ADD_D:
9158 check_cp1_registers(ctx, fs | ft | fd);
9159 {
9160 TCGv_i64 fp0 = tcg_temp_new_i64();
9161 TCGv_i64 fp1 = tcg_temp_new_i64();
9162
9163 gen_load_fpr64(ctx, fp0, fs);
9164 gen_load_fpr64(ctx, fp1, ft);
9165 gen_helper_float_add_d(fp0, cpu_env, fp0, fp1);
9166 tcg_temp_free_i64(fp1);
9167 gen_store_fpr64(ctx, fp0, fd);
9168 tcg_temp_free_i64(fp0);
9169 }
9170 break;
9171 case OPC_SUB_D:
9172 check_cp1_registers(ctx, fs | ft | fd);
9173 {
9174 TCGv_i64 fp0 = tcg_temp_new_i64();
9175 TCGv_i64 fp1 = tcg_temp_new_i64();
9176
9177 gen_load_fpr64(ctx, fp0, fs);
9178 gen_load_fpr64(ctx, fp1, ft);
9179 gen_helper_float_sub_d(fp0, cpu_env, fp0, fp1);
9180 tcg_temp_free_i64(fp1);
9181 gen_store_fpr64(ctx, fp0, fd);
9182 tcg_temp_free_i64(fp0);
9183 }
9184 break;
9185 case OPC_MUL_D:
9186 check_cp1_registers(ctx, fs | ft | fd);
9187 {
9188 TCGv_i64 fp0 = tcg_temp_new_i64();
9189 TCGv_i64 fp1 = tcg_temp_new_i64();
9190
9191 gen_load_fpr64(ctx, fp0, fs);
9192 gen_load_fpr64(ctx, fp1, ft);
9193 gen_helper_float_mul_d(fp0, cpu_env, fp0, fp1);
9194 tcg_temp_free_i64(fp1);
9195 gen_store_fpr64(ctx, fp0, fd);
9196 tcg_temp_free_i64(fp0);
9197 }
9198 break;
9199 case OPC_DIV_D:
9200 check_cp1_registers(ctx, fs | ft | fd);
9201 {
9202 TCGv_i64 fp0 = tcg_temp_new_i64();
9203 TCGv_i64 fp1 = tcg_temp_new_i64();
9204
9205 gen_load_fpr64(ctx, fp0, fs);
9206 gen_load_fpr64(ctx, fp1, ft);
9207 gen_helper_float_div_d(fp0, cpu_env, fp0, fp1);
9208 tcg_temp_free_i64(fp1);
9209 gen_store_fpr64(ctx, fp0, fd);
9210 tcg_temp_free_i64(fp0);
9211 }
9212 break;
9213 case OPC_SQRT_D:
9214 check_cp1_registers(ctx, fs | fd);
9215 {
9216 TCGv_i64 fp0 = tcg_temp_new_i64();
9217
9218 gen_load_fpr64(ctx, fp0, fs);
9219 gen_helper_float_sqrt_d(fp0, cpu_env, fp0);
9220 gen_store_fpr64(ctx, fp0, fd);
9221 tcg_temp_free_i64(fp0);
9222 }
9223 break;
9224 case OPC_ABS_D:
9225 check_cp1_registers(ctx, fs | fd);
9226 {
9227 TCGv_i64 fp0 = tcg_temp_new_i64();
9228
9229 gen_load_fpr64(ctx, fp0, fs);
9230 gen_helper_float_abs_d(fp0, fp0);
9231 gen_store_fpr64(ctx, fp0, fd);
9232 tcg_temp_free_i64(fp0);
9233 }
9234 break;
9235 case OPC_MOV_D:
9236 check_cp1_registers(ctx, fs | fd);
9237 {
9238 TCGv_i64 fp0 = tcg_temp_new_i64();
9239
9240 gen_load_fpr64(ctx, fp0, fs);
9241 gen_store_fpr64(ctx, fp0, fd);
9242 tcg_temp_free_i64(fp0);
9243 }
9244 break;
9245 case OPC_NEG_D:
9246 check_cp1_registers(ctx, fs | fd);
9247 {
9248 TCGv_i64 fp0 = tcg_temp_new_i64();
9249
9250 gen_load_fpr64(ctx, fp0, fs);
9251 gen_helper_float_chs_d(fp0, fp0);
9252 gen_store_fpr64(ctx, fp0, fd);
9253 tcg_temp_free_i64(fp0);
9254 }
9255 break;
9256 case OPC_ROUND_L_D:
9257 check_cp1_64bitmode(ctx);
9258 {
9259 TCGv_i64 fp0 = tcg_temp_new_i64();
9260
9261 gen_load_fpr64(ctx, fp0, fs);
9262 gen_helper_float_roundl_d(fp0, cpu_env, fp0);
9263 gen_store_fpr64(ctx, fp0, fd);
9264 tcg_temp_free_i64(fp0);
9265 }
9266 break;
9267 case OPC_TRUNC_L_D:
9268 check_cp1_64bitmode(ctx);
9269 {
9270 TCGv_i64 fp0 = tcg_temp_new_i64();
9271
9272 gen_load_fpr64(ctx, fp0, fs);
9273 gen_helper_float_truncl_d(fp0, cpu_env, fp0);
9274 gen_store_fpr64(ctx, fp0, fd);
9275 tcg_temp_free_i64(fp0);
9276 }
9277 break;
9278 case OPC_CEIL_L_D:
9279 check_cp1_64bitmode(ctx);
9280 {
9281 TCGv_i64 fp0 = tcg_temp_new_i64();
9282
9283 gen_load_fpr64(ctx, fp0, fs);
9284 gen_helper_float_ceill_d(fp0, cpu_env, fp0);
9285 gen_store_fpr64(ctx, fp0, fd);
9286 tcg_temp_free_i64(fp0);
9287 }
9288 break;
9289 case OPC_FLOOR_L_D:
9290 check_cp1_64bitmode(ctx);
9291 {
9292 TCGv_i64 fp0 = tcg_temp_new_i64();
9293
9294 gen_load_fpr64(ctx, fp0, fs);
9295 gen_helper_float_floorl_d(fp0, cpu_env, fp0);
9296 gen_store_fpr64(ctx, fp0, fd);
9297 tcg_temp_free_i64(fp0);
9298 }
9299 break;
9300 case OPC_ROUND_W_D:
9301 check_cp1_registers(ctx, fs);
9302 {
9303 TCGv_i32 fp32 = tcg_temp_new_i32();
9304 TCGv_i64 fp64 = tcg_temp_new_i64();
9305
9306 gen_load_fpr64(ctx, fp64, fs);
9307 gen_helper_float_roundw_d(fp32, cpu_env, fp64);
9308 tcg_temp_free_i64(fp64);
9309 gen_store_fpr32(ctx, fp32, fd);
9310 tcg_temp_free_i32(fp32);
9311 }
9312 break;
9313 case OPC_TRUNC_W_D:
9314 check_cp1_registers(ctx, fs);
9315 {
9316 TCGv_i32 fp32 = tcg_temp_new_i32();
9317 TCGv_i64 fp64 = tcg_temp_new_i64();
9318
9319 gen_load_fpr64(ctx, fp64, fs);
9320 gen_helper_float_truncw_d(fp32, cpu_env, fp64);
9321 tcg_temp_free_i64(fp64);
9322 gen_store_fpr32(ctx, fp32, fd);
9323 tcg_temp_free_i32(fp32);
9324 }
9325 break;
9326 case OPC_CEIL_W_D:
9327 check_cp1_registers(ctx, fs);
9328 {
9329 TCGv_i32 fp32 = tcg_temp_new_i32();
9330 TCGv_i64 fp64 = tcg_temp_new_i64();
9331
9332 gen_load_fpr64(ctx, fp64, fs);
9333 gen_helper_float_ceilw_d(fp32, cpu_env, fp64);
9334 tcg_temp_free_i64(fp64);
9335 gen_store_fpr32(ctx, fp32, fd);
9336 tcg_temp_free_i32(fp32);
9337 }
9338 break;
9339 case OPC_FLOOR_W_D:
9340 check_cp1_registers(ctx, fs);
9341 {
9342 TCGv_i32 fp32 = tcg_temp_new_i32();
9343 TCGv_i64 fp64 = tcg_temp_new_i64();
9344
9345 gen_load_fpr64(ctx, fp64, fs);
9346 gen_helper_float_floorw_d(fp32, cpu_env, fp64);
9347 tcg_temp_free_i64(fp64);
9348 gen_store_fpr32(ctx, fp32, fd);
9349 tcg_temp_free_i32(fp32);
9350 }
9351 break;
9352 case OPC_SEL_D:
9353 check_insn(ctx, ISA_MIPS32R6);
9354 gen_sel_d(ctx, op1, fd, ft, fs);
9355 break;
9356 case OPC_SELEQZ_D:
9357 check_insn(ctx, ISA_MIPS32R6);
9358 gen_sel_d(ctx, op1, fd, ft, fs);
9359 break;
9360 case OPC_SELNEZ_D:
9361 check_insn(ctx, ISA_MIPS32R6);
9362 gen_sel_d(ctx, op1, fd, ft, fs);
9363 break;
9364 case OPC_MOVCF_D:
9365 check_insn_opc_removed(ctx, ISA_MIPS32R6);
9366 gen_movcf_d(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1);
9367 break;
9368 case OPC_MOVZ_D:
9369 check_insn_opc_removed(ctx, ISA_MIPS32R6);
9370 {
9371 TCGLabel *l1 = gen_new_label();
9372 TCGv_i64 fp0;
9373
9374 if (ft != 0) {
9375 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
9376 }
9377 fp0 = tcg_temp_new_i64();
9378 gen_load_fpr64(ctx, fp0, fs);
9379 gen_store_fpr64(ctx, fp0, fd);
9380 tcg_temp_free_i64(fp0);
9381 gen_set_label(l1);
9382 }
9383 break;
9384 case OPC_MOVN_D:
9385 check_insn_opc_removed(ctx, ISA_MIPS32R6);
9386 {
9387 TCGLabel *l1 = gen_new_label();
9388 TCGv_i64 fp0;
9389
9390 if (ft != 0) {
9391 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
9392 fp0 = tcg_temp_new_i64();
9393 gen_load_fpr64(ctx, fp0, fs);
9394 gen_store_fpr64(ctx, fp0, fd);
9395 tcg_temp_free_i64(fp0);
9396 gen_set_label(l1);
9397 }
9398 }
9399 break;
9400 case OPC_RECIP_D:
9401 check_cp1_registers(ctx, fs | fd);
9402 {
9403 TCGv_i64 fp0 = tcg_temp_new_i64();
9404
9405 gen_load_fpr64(ctx, fp0, fs);
9406 gen_helper_float_recip_d(fp0, cpu_env, fp0);
9407 gen_store_fpr64(ctx, fp0, fd);
9408 tcg_temp_free_i64(fp0);
9409 }
9410 break;
9411 case OPC_RSQRT_D:
9412 check_cp1_registers(ctx, fs | fd);
9413 {
9414 TCGv_i64 fp0 = tcg_temp_new_i64();
9415
9416 gen_load_fpr64(ctx, fp0, fs);
9417 gen_helper_float_rsqrt_d(fp0, cpu_env, fp0);
9418 gen_store_fpr64(ctx, fp0, fd);
9419 tcg_temp_free_i64(fp0);
9420 }
9421 break;
9422 case OPC_MADDF_D:
9423 check_insn(ctx, ISA_MIPS32R6);
9424 {
9425 TCGv_i64 fp0 = tcg_temp_new_i64();
9426 TCGv_i64 fp1 = tcg_temp_new_i64();
9427 TCGv_i64 fp2 = tcg_temp_new_i64();
9428 gen_load_fpr64(ctx, fp0, fs);
9429 gen_load_fpr64(ctx, fp1, ft);
9430 gen_load_fpr64(ctx, fp2, fd);
9431 gen_helper_float_maddf_d(fp2, cpu_env, fp0, fp1, fp2);
9432 gen_store_fpr64(ctx, fp2, fd);
9433 tcg_temp_free_i64(fp2);
9434 tcg_temp_free_i64(fp1);
9435 tcg_temp_free_i64(fp0);
9436 }
9437 break;
9438 case OPC_MSUBF_D:
9439 check_insn(ctx, ISA_MIPS32R6);
9440 {
9441 TCGv_i64 fp0 = tcg_temp_new_i64();
9442 TCGv_i64 fp1 = tcg_temp_new_i64();
9443 TCGv_i64 fp2 = tcg_temp_new_i64();
9444 gen_load_fpr64(ctx, fp0, fs);
9445 gen_load_fpr64(ctx, fp1, ft);
9446 gen_load_fpr64(ctx, fp2, fd);
9447 gen_helper_float_msubf_d(fp2, cpu_env, fp0, fp1, fp2);
9448 gen_store_fpr64(ctx, fp2, fd);
9449 tcg_temp_free_i64(fp2);
9450 tcg_temp_free_i64(fp1);
9451 tcg_temp_free_i64(fp0);
9452 }
9453 break;
9454 case OPC_RINT_D:
9455 check_insn(ctx, ISA_MIPS32R6);
9456 {
9457 TCGv_i64 fp0 = tcg_temp_new_i64();
9458 gen_load_fpr64(ctx, fp0, fs);
9459 gen_helper_float_rint_d(fp0, cpu_env, fp0);
9460 gen_store_fpr64(ctx, fp0, fd);
9461 tcg_temp_free_i64(fp0);
9462 }
9463 break;
9464 case OPC_CLASS_D:
9465 check_insn(ctx, ISA_MIPS32R6);
9466 {
9467 TCGv_i64 fp0 = tcg_temp_new_i64();
9468 gen_load_fpr64(ctx, fp0, fs);
9469 gen_helper_float_class_d(fp0, fp0);
9470 gen_store_fpr64(ctx, fp0, fd);
9471 tcg_temp_free_i64(fp0);
9472 }
9473 break;
9474 case OPC_MIN_D: /* OPC_RECIP2_D */
9475 if (ctx->insn_flags & ISA_MIPS32R6) {
9476 /* OPC_MIN_D */
9477 TCGv_i64 fp0 = tcg_temp_new_i64();
9478 TCGv_i64 fp1 = tcg_temp_new_i64();
9479 gen_load_fpr64(ctx, fp0, fs);
9480 gen_load_fpr64(ctx, fp1, ft);
9481 gen_helper_float_min_d(fp1, cpu_env, fp0, fp1);
9482 gen_store_fpr64(ctx, fp1, fd);
9483 tcg_temp_free_i64(fp1);
9484 tcg_temp_free_i64(fp0);
9485 } else {
9486 /* OPC_RECIP2_D */
9487 check_cp1_64bitmode(ctx);
9488 {
9489 TCGv_i64 fp0 = tcg_temp_new_i64();
9490 TCGv_i64 fp1 = tcg_temp_new_i64();
9491
9492 gen_load_fpr64(ctx, fp0, fs);
9493 gen_load_fpr64(ctx, fp1, ft);
9494 gen_helper_float_recip2_d(fp0, cpu_env, fp0, fp1);
9495 tcg_temp_free_i64(fp1);
9496 gen_store_fpr64(ctx, fp0, fd);
9497 tcg_temp_free_i64(fp0);
9498 }
9499 }
9500 break;
9501 case OPC_MINA_D: /* OPC_RECIP1_D */
9502 if (ctx->insn_flags & ISA_MIPS32R6) {
9503 /* OPC_MINA_D */
9504 TCGv_i64 fp0 = tcg_temp_new_i64();
9505 TCGv_i64 fp1 = tcg_temp_new_i64();
9506 gen_load_fpr64(ctx, fp0, fs);
9507 gen_load_fpr64(ctx, fp1, ft);
9508 gen_helper_float_mina_d(fp1, cpu_env, fp0, fp1);
9509 gen_store_fpr64(ctx, fp1, fd);
9510 tcg_temp_free_i64(fp1);
9511 tcg_temp_free_i64(fp0);
9512 } else {
9513 /* OPC_RECIP1_D */
9514 check_cp1_64bitmode(ctx);
9515 {
9516 TCGv_i64 fp0 = tcg_temp_new_i64();
9517
9518 gen_load_fpr64(ctx, fp0, fs);
9519 gen_helper_float_recip1_d(fp0, cpu_env, fp0);
9520 gen_store_fpr64(ctx, fp0, fd);
9521 tcg_temp_free_i64(fp0);
9522 }
9523 }
9524 break;
9525 case OPC_MAX_D: /* OPC_RSQRT1_D */
9526 if (ctx->insn_flags & ISA_MIPS32R6) {
9527 /* OPC_MAX_D */
9528 TCGv_i64 fp0 = tcg_temp_new_i64();
9529 TCGv_i64 fp1 = tcg_temp_new_i64();
9530 gen_load_fpr64(ctx, fp0, fs);
9531 gen_load_fpr64(ctx, fp1, ft);
9532 gen_helper_float_max_d(fp1, cpu_env, fp0, fp1);
9533 gen_store_fpr64(ctx, fp1, fd);
9534 tcg_temp_free_i64(fp1);
9535 tcg_temp_free_i64(fp0);
9536 } else {
9537 /* OPC_RSQRT1_D */
9538 check_cp1_64bitmode(ctx);
9539 {
9540 TCGv_i64 fp0 = tcg_temp_new_i64();
9541
9542 gen_load_fpr64(ctx, fp0, fs);
9543 gen_helper_float_rsqrt1_d(fp0, cpu_env, fp0);
9544 gen_store_fpr64(ctx, fp0, fd);
9545 tcg_temp_free_i64(fp0);
9546 }
9547 }
9548 break;
9549 case OPC_MAXA_D: /* OPC_RSQRT2_D */
9550 if (ctx->insn_flags & ISA_MIPS32R6) {
9551 /* OPC_MAXA_D */
9552 TCGv_i64 fp0 = tcg_temp_new_i64();
9553 TCGv_i64 fp1 = tcg_temp_new_i64();
9554 gen_load_fpr64(ctx, fp0, fs);
9555 gen_load_fpr64(ctx, fp1, ft);
9556 gen_helper_float_maxa_d(fp1, cpu_env, fp0, fp1);
9557 gen_store_fpr64(ctx, fp1, fd);
9558 tcg_temp_free_i64(fp1);
9559 tcg_temp_free_i64(fp0);
9560 } else {
9561 /* OPC_RSQRT2_D */
9562 check_cp1_64bitmode(ctx);
9563 {
9564 TCGv_i64 fp0 = tcg_temp_new_i64();
9565 TCGv_i64 fp1 = tcg_temp_new_i64();
9566
9567 gen_load_fpr64(ctx, fp0, fs);
9568 gen_load_fpr64(ctx, fp1, ft);
9569 gen_helper_float_rsqrt2_d(fp0, cpu_env, fp0, fp1);
9570 tcg_temp_free_i64(fp1);
9571 gen_store_fpr64(ctx, fp0, fd);
9572 tcg_temp_free_i64(fp0);
9573 }
9574 }
9575 break;
9576 case OPC_CMP_F_D:
9577 case OPC_CMP_UN_D:
9578 case OPC_CMP_EQ_D:
9579 case OPC_CMP_UEQ_D:
9580 case OPC_CMP_OLT_D:
9581 case OPC_CMP_ULT_D:
9582 case OPC_CMP_OLE_D:
9583 case OPC_CMP_ULE_D:
9584 case OPC_CMP_SF_D:
9585 case OPC_CMP_NGLE_D:
9586 case OPC_CMP_SEQ_D:
9587 case OPC_CMP_NGL_D:
9588 case OPC_CMP_LT_D:
9589 case OPC_CMP_NGE_D:
9590 case OPC_CMP_LE_D:
9591 case OPC_CMP_NGT_D:
9592 check_insn_opc_removed(ctx, ISA_MIPS32R6);
9593 if (ctx->opcode & (1 << 6)) {
9594 gen_cmpabs_d(ctx, func-48, ft, fs, cc);
9595 } else {
9596 gen_cmp_d(ctx, func-48, ft, fs, cc);
9597 }
9598 break;
9599 case OPC_CVT_S_D:
9600 check_cp1_registers(ctx, fs);
9601 {
9602 TCGv_i32 fp32 = tcg_temp_new_i32();
9603 TCGv_i64 fp64 = tcg_temp_new_i64();
9604
9605 gen_load_fpr64(ctx, fp64, fs);
9606 gen_helper_float_cvts_d(fp32, cpu_env, fp64);
9607 tcg_temp_free_i64(fp64);
9608 gen_store_fpr32(ctx, fp32, fd);
9609 tcg_temp_free_i32(fp32);
9610 }
9611 break;
9612 case OPC_CVT_W_D:
9613 check_cp1_registers(ctx, fs);
9614 {
9615 TCGv_i32 fp32 = tcg_temp_new_i32();
9616 TCGv_i64 fp64 = tcg_temp_new_i64();
9617
9618 gen_load_fpr64(ctx, fp64, fs);
9619 gen_helper_float_cvtw_d(fp32, cpu_env, fp64);
9620 tcg_temp_free_i64(fp64);
9621 gen_store_fpr32(ctx, fp32, fd);
9622 tcg_temp_free_i32(fp32);
9623 }
9624 break;
9625 case OPC_CVT_L_D:
9626 check_cp1_64bitmode(ctx);
9627 {
9628 TCGv_i64 fp0 = tcg_temp_new_i64();
9629
9630 gen_load_fpr64(ctx, fp0, fs);
9631 gen_helper_float_cvtl_d(fp0, cpu_env, fp0);
9632 gen_store_fpr64(ctx, fp0, fd);
9633 tcg_temp_free_i64(fp0);
9634 }
9635 break;
9636 case OPC_CVT_S_W:
9637 {
9638 TCGv_i32 fp0 = tcg_temp_new_i32();
9639
9640 gen_load_fpr32(ctx, fp0, fs);
9641 gen_helper_float_cvts_w(fp0, cpu_env, fp0);
9642 gen_store_fpr32(ctx, fp0, fd);
9643 tcg_temp_free_i32(fp0);
9644 }
9645 break;
9646 case OPC_CVT_D_W:
9647 check_cp1_registers(ctx, fd);
9648 {
9649 TCGv_i32 fp32 = tcg_temp_new_i32();
9650 TCGv_i64 fp64 = tcg_temp_new_i64();
9651
9652 gen_load_fpr32(ctx, fp32, fs);
9653 gen_helper_float_cvtd_w(fp64, cpu_env, fp32);
9654 tcg_temp_free_i32(fp32);
9655 gen_store_fpr64(ctx, fp64, fd);
9656 tcg_temp_free_i64(fp64);
9657 }
9658 break;
9659 case OPC_CVT_S_L:
9660 check_cp1_64bitmode(ctx);
9661 {
9662 TCGv_i32 fp32 = tcg_temp_new_i32();
9663 TCGv_i64 fp64 = tcg_temp_new_i64();
9664
9665 gen_load_fpr64(ctx, fp64, fs);
9666 gen_helper_float_cvts_l(fp32, cpu_env, fp64);
9667 tcg_temp_free_i64(fp64);
9668 gen_store_fpr32(ctx, fp32, fd);
9669 tcg_temp_free_i32(fp32);
9670 }
9671 break;
9672 case OPC_CVT_D_L:
9673 check_cp1_64bitmode(ctx);
9674 {
9675 TCGv_i64 fp0 = tcg_temp_new_i64();
9676
9677 gen_load_fpr64(ctx, fp0, fs);
9678 gen_helper_float_cvtd_l(fp0, cpu_env, fp0);
9679 gen_store_fpr64(ctx, fp0, fd);
9680 tcg_temp_free_i64(fp0);
9681 }
9682 break;
9683 case OPC_CVT_PS_PW:
9684 check_ps(ctx);
9685 {
9686 TCGv_i64 fp0 = tcg_temp_new_i64();
9687
9688 gen_load_fpr64(ctx, fp0, fs);
9689 gen_helper_float_cvtps_pw(fp0, cpu_env, fp0);
9690 gen_store_fpr64(ctx, fp0, fd);
9691 tcg_temp_free_i64(fp0);
9692 }
9693 break;
9694 case OPC_ADD_PS:
9695 check_ps(ctx);
9696 {
9697 TCGv_i64 fp0 = tcg_temp_new_i64();
9698 TCGv_i64 fp1 = tcg_temp_new_i64();
9699
9700 gen_load_fpr64(ctx, fp0, fs);
9701 gen_load_fpr64(ctx, fp1, ft);
9702 gen_helper_float_add_ps(fp0, cpu_env, fp0, fp1);
9703 tcg_temp_free_i64(fp1);
9704 gen_store_fpr64(ctx, fp0, fd);
9705 tcg_temp_free_i64(fp0);
9706 }
9707 break;
9708 case OPC_SUB_PS:
9709 check_ps(ctx);
9710 {
9711 TCGv_i64 fp0 = tcg_temp_new_i64();
9712 TCGv_i64 fp1 = tcg_temp_new_i64();
9713
9714 gen_load_fpr64(ctx, fp0, fs);
9715 gen_load_fpr64(ctx, fp1, ft);
9716 gen_helper_float_sub_ps(fp0, cpu_env, fp0, fp1);
9717 tcg_temp_free_i64(fp1);
9718 gen_store_fpr64(ctx, fp0, fd);
9719 tcg_temp_free_i64(fp0);
9720 }
9721 break;
9722 case OPC_MUL_PS:
9723 check_ps(ctx);
9724 {
9725 TCGv_i64 fp0 = tcg_temp_new_i64();
9726 TCGv_i64 fp1 = tcg_temp_new_i64();
9727
9728 gen_load_fpr64(ctx, fp0, fs);
9729 gen_load_fpr64(ctx, fp1, ft);
9730 gen_helper_float_mul_ps(fp0, cpu_env, fp0, fp1);
9731 tcg_temp_free_i64(fp1);
9732 gen_store_fpr64(ctx, fp0, fd);
9733 tcg_temp_free_i64(fp0);
9734 }
9735 break;
9736 case OPC_ABS_PS:
9737 check_ps(ctx);
9738 {
9739 TCGv_i64 fp0 = tcg_temp_new_i64();
9740
9741 gen_load_fpr64(ctx, fp0, fs);
9742 gen_helper_float_abs_ps(fp0, fp0);
9743 gen_store_fpr64(ctx, fp0, fd);
9744 tcg_temp_free_i64(fp0);
9745 }
9746 break;
9747 case OPC_MOV_PS:
9748 check_ps(ctx);
9749 {
9750 TCGv_i64 fp0 = tcg_temp_new_i64();
9751
9752 gen_load_fpr64(ctx, fp0, fs);
9753 gen_store_fpr64(ctx, fp0, fd);
9754 tcg_temp_free_i64(fp0);
9755 }
9756 break;
9757 case OPC_NEG_PS:
9758 check_ps(ctx);
9759 {
9760 TCGv_i64 fp0 = tcg_temp_new_i64();
9761
9762 gen_load_fpr64(ctx, fp0, fs);
9763 gen_helper_float_chs_ps(fp0, fp0);
9764 gen_store_fpr64(ctx, fp0, fd);
9765 tcg_temp_free_i64(fp0);
9766 }
9767 break;
9768 case OPC_MOVCF_PS:
9769 check_ps(ctx);
9770 gen_movcf_ps(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1);
9771 break;
9772 case OPC_MOVZ_PS:
9773 check_ps(ctx);
9774 {
9775 TCGLabel *l1 = gen_new_label();
9776 TCGv_i64 fp0;
9777
9778 if (ft != 0)
9779 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
9780 fp0 = tcg_temp_new_i64();
9781 gen_load_fpr64(ctx, fp0, fs);
9782 gen_store_fpr64(ctx, fp0, fd);
9783 tcg_temp_free_i64(fp0);
9784 gen_set_label(l1);
9785 }
9786 break;
9787 case OPC_MOVN_PS:
9788 check_ps(ctx);
9789 {
9790 TCGLabel *l1 = gen_new_label();
9791 TCGv_i64 fp0;
9792
9793 if (ft != 0) {
9794 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
9795 fp0 = tcg_temp_new_i64();
9796 gen_load_fpr64(ctx, fp0, fs);
9797 gen_store_fpr64(ctx, fp0, fd);
9798 tcg_temp_free_i64(fp0);
9799 gen_set_label(l1);
9800 }
9801 }
9802 break;
9803 case OPC_ADDR_PS:
9804 check_ps(ctx);
9805 {
9806 TCGv_i64 fp0 = tcg_temp_new_i64();
9807 TCGv_i64 fp1 = tcg_temp_new_i64();
9808
9809 gen_load_fpr64(ctx, fp0, ft);
9810 gen_load_fpr64(ctx, fp1, fs);
9811 gen_helper_float_addr_ps(fp0, cpu_env, fp0, fp1);
9812 tcg_temp_free_i64(fp1);
9813 gen_store_fpr64(ctx, fp0, fd);
9814 tcg_temp_free_i64(fp0);
9815 }
9816 break;
9817 case OPC_MULR_PS:
9818 check_ps(ctx);
9819 {
9820 TCGv_i64 fp0 = tcg_temp_new_i64();
9821 TCGv_i64 fp1 = tcg_temp_new_i64();
9822
9823 gen_load_fpr64(ctx, fp0, ft);
9824 gen_load_fpr64(ctx, fp1, fs);
9825 gen_helper_float_mulr_ps(fp0, cpu_env, fp0, fp1);
9826 tcg_temp_free_i64(fp1);
9827 gen_store_fpr64(ctx, fp0, fd);
9828 tcg_temp_free_i64(fp0);
9829 }
9830 break;
9831 case OPC_RECIP2_PS:
9832 check_ps(ctx);
9833 {
9834 TCGv_i64 fp0 = tcg_temp_new_i64();
9835 TCGv_i64 fp1 = tcg_temp_new_i64();
9836
9837 gen_load_fpr64(ctx, fp0, fs);
9838 gen_load_fpr64(ctx, fp1, ft);
9839 gen_helper_float_recip2_ps(fp0, cpu_env, fp0, fp1);
9840 tcg_temp_free_i64(fp1);
9841 gen_store_fpr64(ctx, fp0, fd);
9842 tcg_temp_free_i64(fp0);
9843 }
9844 break;
9845 case OPC_RECIP1_PS:
9846 check_ps(ctx);
9847 {
9848 TCGv_i64 fp0 = tcg_temp_new_i64();
9849
9850 gen_load_fpr64(ctx, fp0, fs);
9851 gen_helper_float_recip1_ps(fp0, cpu_env, fp0);
9852 gen_store_fpr64(ctx, fp0, fd);
9853 tcg_temp_free_i64(fp0);
9854 }
9855 break;
9856 case OPC_RSQRT1_PS:
9857 check_ps(ctx);
9858 {
9859 TCGv_i64 fp0 = tcg_temp_new_i64();
9860
9861 gen_load_fpr64(ctx, fp0, fs);
9862 gen_helper_float_rsqrt1_ps(fp0, cpu_env, fp0);
9863 gen_store_fpr64(ctx, fp0, fd);
9864 tcg_temp_free_i64(fp0);
9865 }
9866 break;
9867 case OPC_RSQRT2_PS:
9868 check_ps(ctx);
9869 {
9870 TCGv_i64 fp0 = tcg_temp_new_i64();
9871 TCGv_i64 fp1 = tcg_temp_new_i64();
9872
9873 gen_load_fpr64(ctx, fp0, fs);
9874 gen_load_fpr64(ctx, fp1, ft);
9875 gen_helper_float_rsqrt2_ps(fp0, cpu_env, fp0, fp1);
9876 tcg_temp_free_i64(fp1);
9877 gen_store_fpr64(ctx, fp0, fd);
9878 tcg_temp_free_i64(fp0);
9879 }
9880 break;
9881 case OPC_CVT_S_PU:
9882 check_cp1_64bitmode(ctx);
9883 {
9884 TCGv_i32 fp0 = tcg_temp_new_i32();
9885
9886 gen_load_fpr32h(ctx, fp0, fs);
9887 gen_helper_float_cvts_pu(fp0, cpu_env, fp0);
9888 gen_store_fpr32(ctx, fp0, fd);
9889 tcg_temp_free_i32(fp0);
9890 }
9891 break;
9892 case OPC_CVT_PW_PS:
9893 check_ps(ctx);
9894 {
9895 TCGv_i64 fp0 = tcg_temp_new_i64();
9896
9897 gen_load_fpr64(ctx, fp0, fs);
9898 gen_helper_float_cvtpw_ps(fp0, cpu_env, fp0);
9899 gen_store_fpr64(ctx, fp0, fd);
9900 tcg_temp_free_i64(fp0);
9901 }
9902 break;
9903 case OPC_CVT_S_PL:
9904 check_cp1_64bitmode(ctx);
9905 {
9906 TCGv_i32 fp0 = tcg_temp_new_i32();
9907
9908 gen_load_fpr32(ctx, fp0, fs);
9909 gen_helper_float_cvts_pl(fp0, cpu_env, fp0);
9910 gen_store_fpr32(ctx, fp0, fd);
9911 tcg_temp_free_i32(fp0);
9912 }
9913 break;
9914 case OPC_PLL_PS:
9915 check_ps(ctx);
9916 {
9917 TCGv_i32 fp0 = tcg_temp_new_i32();
9918 TCGv_i32 fp1 = tcg_temp_new_i32();
9919
9920 gen_load_fpr32(ctx, fp0, fs);
9921 gen_load_fpr32(ctx, fp1, ft);
9922 gen_store_fpr32h(ctx, fp0, fd);
9923 gen_store_fpr32(ctx, fp1, fd);
9924 tcg_temp_free_i32(fp0);
9925 tcg_temp_free_i32(fp1);
9926 }
9927 break;
9928 case OPC_PLU_PS:
9929 check_ps(ctx);
9930 {
9931 TCGv_i32 fp0 = tcg_temp_new_i32();
9932 TCGv_i32 fp1 = tcg_temp_new_i32();
9933
9934 gen_load_fpr32(ctx, fp0, fs);
9935 gen_load_fpr32h(ctx, fp1, ft);
9936 gen_store_fpr32(ctx, fp1, fd);
9937 gen_store_fpr32h(ctx, fp0, fd);
9938 tcg_temp_free_i32(fp0);
9939 tcg_temp_free_i32(fp1);
9940 }
9941 break;
9942 case OPC_PUL_PS:
9943 check_ps(ctx);
9944 {
9945 TCGv_i32 fp0 = tcg_temp_new_i32();
9946 TCGv_i32 fp1 = tcg_temp_new_i32();
9947
9948 gen_load_fpr32h(ctx, fp0, fs);
9949 gen_load_fpr32(ctx, fp1, ft);
9950 gen_store_fpr32(ctx, fp1, fd);
9951 gen_store_fpr32h(ctx, fp0, fd);
9952 tcg_temp_free_i32(fp0);
9953 tcg_temp_free_i32(fp1);
9954 }
9955 break;
9956 case OPC_PUU_PS:
9957 check_ps(ctx);
9958 {
9959 TCGv_i32 fp0 = tcg_temp_new_i32();
9960 TCGv_i32 fp1 = tcg_temp_new_i32();
9961
9962 gen_load_fpr32h(ctx, fp0, fs);
9963 gen_load_fpr32h(ctx, fp1, ft);
9964 gen_store_fpr32(ctx, fp1, fd);
9965 gen_store_fpr32h(ctx, fp0, fd);
9966 tcg_temp_free_i32(fp0);
9967 tcg_temp_free_i32(fp1);
9968 }
9969 break;
9970 case OPC_CMP_F_PS:
9971 case OPC_CMP_UN_PS:
9972 case OPC_CMP_EQ_PS:
9973 case OPC_CMP_UEQ_PS:
9974 case OPC_CMP_OLT_PS:
9975 case OPC_CMP_ULT_PS:
9976 case OPC_CMP_OLE_PS:
9977 case OPC_CMP_ULE_PS:
9978 case OPC_CMP_SF_PS:
9979 case OPC_CMP_NGLE_PS:
9980 case OPC_CMP_SEQ_PS:
9981 case OPC_CMP_NGL_PS:
9982 case OPC_CMP_LT_PS:
9983 case OPC_CMP_NGE_PS:
9984 case OPC_CMP_LE_PS:
9985 case OPC_CMP_NGT_PS:
9986 if (ctx->opcode & (1 << 6)) {
9987 gen_cmpabs_ps(ctx, func-48, ft, fs, cc);
9988 } else {
9989 gen_cmp_ps(ctx, func-48, ft, fs, cc);
9990 }
9991 break;
9992 default:
9993 MIPS_INVAL("farith");
9994 generate_exception_end(ctx, EXCP_RI);
9995 return;
9996 }
9997 }
9998
9999 /* Coprocessor 3 (FPU) */
10000 static void gen_flt3_ldst (DisasContext *ctx, uint32_t opc,
10001 int fd, int fs, int base, int index)
10002 {
10003 TCGv t0 = tcg_temp_new();
10004
10005 if (base == 0) {
10006 gen_load_gpr(t0, index);
10007 } else if (index == 0) {
10008 gen_load_gpr(t0, base);
10009 } else {
10010 gen_op_addr_add(ctx, t0, cpu_gpr[base], cpu_gpr[index]);
10011 }
10012 /* Don't do NOP if destination is zero: we must perform the actual
10013 memory access. */
10014 switch (opc) {
10015 case OPC_LWXC1:
10016 check_cop1x(ctx);
10017 {
10018 TCGv_i32 fp0 = tcg_temp_new_i32();
10019
10020 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESL);
10021 tcg_gen_trunc_tl_i32(fp0, t0);
10022 gen_store_fpr32(ctx, fp0, fd);
10023 tcg_temp_free_i32(fp0);
10024 }
10025 break;
10026 case OPC_LDXC1:
10027 check_cop1x(ctx);
10028 check_cp1_registers(ctx, fd);
10029 {
10030 TCGv_i64 fp0 = tcg_temp_new_i64();
10031 tcg_gen_qemu_ld_i64(fp0, t0, ctx->mem_idx, MO_TEQ);
10032 gen_store_fpr64(ctx, fp0, fd);
10033 tcg_temp_free_i64(fp0);
10034 }
10035 break;
10036 case OPC_LUXC1:
10037 check_cp1_64bitmode(ctx);
10038 tcg_gen_andi_tl(t0, t0, ~0x7);
10039 {
10040 TCGv_i64 fp0 = tcg_temp_new_i64();
10041
10042 tcg_gen_qemu_ld_i64(fp0, t0, ctx->mem_idx, MO_TEQ);
10043 gen_store_fpr64(ctx, fp0, fd);
10044 tcg_temp_free_i64(fp0);
10045 }
10046 break;
10047 case OPC_SWXC1:
10048 check_cop1x(ctx);
10049 {
10050 TCGv_i32 fp0 = tcg_temp_new_i32();
10051 gen_load_fpr32(ctx, fp0, fs);
10052 tcg_gen_qemu_st_i32(fp0, t0, ctx->mem_idx, MO_TEUL);
10053 tcg_temp_free_i32(fp0);
10054 }
10055 break;
10056 case OPC_SDXC1:
10057 check_cop1x(ctx);
10058 check_cp1_registers(ctx, fs);
10059 {
10060 TCGv_i64 fp0 = tcg_temp_new_i64();
10061 gen_load_fpr64(ctx, fp0, fs);
10062 tcg_gen_qemu_st_i64(fp0, t0, ctx->mem_idx, MO_TEQ);
10063 tcg_temp_free_i64(fp0);
10064 }
10065 break;
10066 case OPC_SUXC1:
10067 check_cp1_64bitmode(ctx);
10068 tcg_gen_andi_tl(t0, t0, ~0x7);
10069 {
10070 TCGv_i64 fp0 = tcg_temp_new_i64();
10071 gen_load_fpr64(ctx, fp0, fs);
10072 tcg_gen_qemu_st_i64(fp0, t0, ctx->mem_idx, MO_TEQ);
10073 tcg_temp_free_i64(fp0);
10074 }
10075 break;
10076 }
10077 tcg_temp_free(t0);
10078 }
10079
10080 static void gen_flt3_arith (DisasContext *ctx, uint32_t opc,
10081 int fd, int fr, int fs, int ft)
10082 {
10083 switch (opc) {
10084 case OPC_ALNV_PS:
10085 check_ps(ctx);
10086 {
10087 TCGv t0 = tcg_temp_local_new();
10088 TCGv_i32 fp = tcg_temp_new_i32();
10089 TCGv_i32 fph = tcg_temp_new_i32();
10090 TCGLabel *l1 = gen_new_label();
10091 TCGLabel *l2 = gen_new_label();
10092
10093 gen_load_gpr(t0, fr);
10094 tcg_gen_andi_tl(t0, t0, 0x7);
10095
10096 tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1);
10097 gen_load_fpr32(ctx, fp, fs);
10098 gen_load_fpr32h(ctx, fph, fs);
10099 gen_store_fpr32(ctx, fp, fd);
10100 gen_store_fpr32h(ctx, fph, fd);
10101 tcg_gen_br(l2);
10102 gen_set_label(l1);
10103 tcg_gen_brcondi_tl(TCG_COND_NE, t0, 4, l2);
10104 tcg_temp_free(t0);
10105 #ifdef TARGET_WORDS_BIGENDIAN
10106 gen_load_fpr32(ctx, fp, fs);
10107 gen_load_fpr32h(ctx, fph, ft);
10108 gen_store_fpr32h(ctx, fp, fd);
10109 gen_store_fpr32(ctx, fph, fd);
10110 #else
10111 gen_load_fpr32h(ctx, fph, fs);
10112 gen_load_fpr32(ctx, fp, ft);
10113 gen_store_fpr32(ctx, fph, fd);
10114 gen_store_fpr32h(ctx, fp, fd);
10115 #endif
10116 gen_set_label(l2);
10117 tcg_temp_free_i32(fp);
10118 tcg_temp_free_i32(fph);
10119 }
10120 break;
10121 case OPC_MADD_S:
10122 check_cop1x(ctx);
10123 {
10124 TCGv_i32 fp0 = tcg_temp_new_i32();
10125 TCGv_i32 fp1 = tcg_temp_new_i32();
10126 TCGv_i32 fp2 = tcg_temp_new_i32();
10127
10128 gen_load_fpr32(ctx, fp0, fs);
10129 gen_load_fpr32(ctx, fp1, ft);
10130 gen_load_fpr32(ctx, fp2, fr);
10131 gen_helper_float_madd_s(fp2, cpu_env, fp0, fp1, fp2);
10132 tcg_temp_free_i32(fp0);
10133 tcg_temp_free_i32(fp1);
10134 gen_store_fpr32(ctx, fp2, fd);
10135 tcg_temp_free_i32(fp2);
10136 }
10137 break;
10138 case OPC_MADD_D:
10139 check_cop1x(ctx);
10140 check_cp1_registers(ctx, fd | fs | ft | fr);
10141 {
10142 TCGv_i64 fp0 = tcg_temp_new_i64();
10143 TCGv_i64 fp1 = tcg_temp_new_i64();
10144 TCGv_i64 fp2 = tcg_temp_new_i64();
10145
10146 gen_load_fpr64(ctx, fp0, fs);
10147 gen_load_fpr64(ctx, fp1, ft);
10148 gen_load_fpr64(ctx, fp2, fr);
10149 gen_helper_float_madd_d(fp2, cpu_env, fp0, fp1, fp2);
10150 tcg_temp_free_i64(fp0);
10151 tcg_temp_free_i64(fp1);
10152 gen_store_fpr64(ctx, fp2, fd);
10153 tcg_temp_free_i64(fp2);
10154 }
10155 break;
10156 case OPC_MADD_PS:
10157 check_ps(ctx);
10158 {
10159 TCGv_i64 fp0 = tcg_temp_new_i64();
10160 TCGv_i64 fp1 = tcg_temp_new_i64();
10161 TCGv_i64 fp2 = tcg_temp_new_i64();
10162
10163 gen_load_fpr64(ctx, fp0, fs);
10164 gen_load_fpr64(ctx, fp1, ft);
10165 gen_load_fpr64(ctx, fp2, fr);
10166 gen_helper_float_madd_ps(fp2, cpu_env, fp0, fp1, fp2);
10167 tcg_temp_free_i64(fp0);
10168 tcg_temp_free_i64(fp1);
10169 gen_store_fpr64(ctx, fp2, fd);
10170 tcg_temp_free_i64(fp2);
10171 }
10172 break;
10173 case OPC_MSUB_S:
10174 check_cop1x(ctx);
10175 {
10176 TCGv_i32 fp0 = tcg_temp_new_i32();
10177 TCGv_i32 fp1 = tcg_temp_new_i32();
10178 TCGv_i32 fp2 = tcg_temp_new_i32();
10179
10180 gen_load_fpr32(ctx, fp0, fs);
10181 gen_load_fpr32(ctx, fp1, ft);
10182 gen_load_fpr32(ctx, fp2, fr);
10183 gen_helper_float_msub_s(fp2, cpu_env, fp0, fp1, fp2);
10184 tcg_temp_free_i32(fp0);
10185 tcg_temp_free_i32(fp1);
10186 gen_store_fpr32(ctx, fp2, fd);
10187 tcg_temp_free_i32(fp2);
10188 }
10189 break;
10190 case OPC_MSUB_D:
10191 check_cop1x(ctx);
10192 check_cp1_registers(ctx, fd | fs | ft | fr);
10193 {
10194 TCGv_i64 fp0 = tcg_temp_new_i64();
10195 TCGv_i64 fp1 = tcg_temp_new_i64();
10196 TCGv_i64 fp2 = tcg_temp_new_i64();
10197
10198 gen_load_fpr64(ctx, fp0, fs);
10199 gen_load_fpr64(ctx, fp1, ft);
10200 gen_load_fpr64(ctx, fp2, fr);
10201 gen_helper_float_msub_d(fp2, cpu_env, fp0, fp1, fp2);
10202 tcg_temp_free_i64(fp0);
10203 tcg_temp_free_i64(fp1);
10204 gen_store_fpr64(ctx, fp2, fd);
10205 tcg_temp_free_i64(fp2);
10206 }
10207 break;
10208 case OPC_MSUB_PS:
10209 check_ps(ctx);
10210 {
10211 TCGv_i64 fp0 = tcg_temp_new_i64();
10212 TCGv_i64 fp1 = tcg_temp_new_i64();
10213 TCGv_i64 fp2 = tcg_temp_new_i64();
10214
10215 gen_load_fpr64(ctx, fp0, fs);
10216 gen_load_fpr64(ctx, fp1, ft);
10217 gen_load_fpr64(ctx, fp2, fr);
10218 gen_helper_float_msub_ps(fp2, cpu_env, fp0, fp1, fp2);
10219 tcg_temp_free_i64(fp0);
10220 tcg_temp_free_i64(fp1);
10221 gen_store_fpr64(ctx, fp2, fd);
10222 tcg_temp_free_i64(fp2);
10223 }
10224 break;
10225 case OPC_NMADD_S:
10226 check_cop1x(ctx);
10227 {
10228 TCGv_i32 fp0 = tcg_temp_new_i32();
10229 TCGv_i32 fp1 = tcg_temp_new_i32();
10230 TCGv_i32 fp2 = tcg_temp_new_i32();
10231
10232 gen_load_fpr32(ctx, fp0, fs);
10233 gen_load_fpr32(ctx, fp1, ft);
10234 gen_load_fpr32(ctx, fp2, fr);
10235 gen_helper_float_nmadd_s(fp2, cpu_env, fp0, fp1, fp2);
10236 tcg_temp_free_i32(fp0);
10237 tcg_temp_free_i32(fp1);
10238 gen_store_fpr32(ctx, fp2, fd);
10239 tcg_temp_free_i32(fp2);
10240 }
10241 break;
10242 case OPC_NMADD_D:
10243 check_cop1x(ctx);
10244 check_cp1_registers(ctx, fd | fs | ft | fr);
10245 {
10246 TCGv_i64 fp0 = tcg_temp_new_i64();
10247 TCGv_i64 fp1 = tcg_temp_new_i64();
10248 TCGv_i64 fp2 = tcg_temp_new_i64();
10249
10250 gen_load_fpr64(ctx, fp0, fs);
10251 gen_load_fpr64(ctx, fp1, ft);
10252 gen_load_fpr64(ctx, fp2, fr);
10253 gen_helper_float_nmadd_d(fp2, cpu_env, fp0, fp1, fp2);
10254 tcg_temp_free_i64(fp0);
10255 tcg_temp_free_i64(fp1);
10256 gen_store_fpr64(ctx, fp2, fd);
10257 tcg_temp_free_i64(fp2);
10258 }
10259 break;
10260 case OPC_NMADD_PS:
10261 check_ps(ctx);
10262 {
10263 TCGv_i64 fp0 = tcg_temp_new_i64();
10264 TCGv_i64 fp1 = tcg_temp_new_i64();
10265 TCGv_i64 fp2 = tcg_temp_new_i64();
10266
10267 gen_load_fpr64(ctx, fp0, fs);
10268 gen_load_fpr64(ctx, fp1, ft);
10269 gen_load_fpr64(ctx, fp2, fr);
10270 gen_helper_float_nmadd_ps(fp2, cpu_env, fp0, fp1, fp2);
10271 tcg_temp_free_i64(fp0);
10272 tcg_temp_free_i64(fp1);
10273 gen_store_fpr64(ctx, fp2, fd);
10274 tcg_temp_free_i64(fp2);
10275 }
10276 break;
10277 case OPC_NMSUB_S:
10278 check_cop1x(ctx);
10279 {
10280 TCGv_i32 fp0 = tcg_temp_new_i32();
10281 TCGv_i32 fp1 = tcg_temp_new_i32();
10282 TCGv_i32 fp2 = tcg_temp_new_i32();
10283
10284 gen_load_fpr32(ctx, fp0, fs);
10285 gen_load_fpr32(ctx, fp1, ft);
10286 gen_load_fpr32(ctx, fp2, fr);
10287 gen_helper_float_nmsub_s(fp2, cpu_env, fp0, fp1, fp2);
10288 tcg_temp_free_i32(fp0);
10289 tcg_temp_free_i32(fp1);
10290 gen_store_fpr32(ctx, fp2, fd);
10291 tcg_temp_free_i32(fp2);
10292 }
10293 break;
10294 case OPC_NMSUB_D:
10295 check_cop1x(ctx);
10296 check_cp1_registers(ctx, fd | fs | ft | fr);
10297 {
10298 TCGv_i64 fp0 = tcg_temp_new_i64();
10299 TCGv_i64 fp1 = tcg_temp_new_i64();
10300 TCGv_i64 fp2 = tcg_temp_new_i64();
10301
10302 gen_load_fpr64(ctx, fp0, fs);
10303 gen_load_fpr64(ctx, fp1, ft);
10304 gen_load_fpr64(ctx, fp2, fr);
10305 gen_helper_float_nmsub_d(fp2, cpu_env, fp0, fp1, fp2);
10306 tcg_temp_free_i64(fp0);
10307 tcg_temp_free_i64(fp1);
10308 gen_store_fpr64(ctx, fp2, fd);
10309 tcg_temp_free_i64(fp2);
10310 }
10311 break;
10312 case OPC_NMSUB_PS:
10313 check_ps(ctx);
10314 {
10315 TCGv_i64 fp0 = tcg_temp_new_i64();
10316 TCGv_i64 fp1 = tcg_temp_new_i64();
10317 TCGv_i64 fp2 = tcg_temp_new_i64();
10318
10319 gen_load_fpr64(ctx, fp0, fs);
10320 gen_load_fpr64(ctx, fp1, ft);
10321 gen_load_fpr64(ctx, fp2, fr);
10322 gen_helper_float_nmsub_ps(fp2, cpu_env, fp0, fp1, fp2);
10323 tcg_temp_free_i64(fp0);
10324 tcg_temp_free_i64(fp1);
10325 gen_store_fpr64(ctx, fp2, fd);
10326 tcg_temp_free_i64(fp2);
10327 }
10328 break;
10329 default:
10330 MIPS_INVAL("flt3_arith");
10331 generate_exception_end(ctx, EXCP_RI);
10332 return;
10333 }
10334 }
10335
10336 static void gen_rdhwr(DisasContext *ctx, int rt, int rd)
10337 {
10338 TCGv t0;
10339
10340 #if !defined(CONFIG_USER_ONLY)
10341 /* The Linux kernel will emulate rdhwr if it's not supported natively.
10342 Therefore only check the ISA in system mode. */
10343 check_insn(ctx, ISA_MIPS32R2);
10344 #endif
10345 t0 = tcg_temp_new();
10346
10347 switch (rd) {
10348 case 0:
10349 gen_helper_rdhwr_cpunum(t0, cpu_env);
10350 gen_store_gpr(t0, rt);
10351 break;
10352 case 1:
10353 gen_helper_rdhwr_synci_step(t0, cpu_env);
10354 gen_store_gpr(t0, rt);
10355 break;
10356 case 2:
10357 gen_helper_rdhwr_cc(t0, cpu_env);
10358 gen_store_gpr(t0, rt);
10359 break;
10360 case 3:
10361 gen_helper_rdhwr_ccres(t0, cpu_env);
10362 gen_store_gpr(t0, rt);
10363 break;
10364 case 29:
10365 #if defined(CONFIG_USER_ONLY)
10366 tcg_gen_ld_tl(t0, cpu_env,
10367 offsetof(CPUMIPSState, active_tc.CP0_UserLocal));
10368 gen_store_gpr(t0, rt);
10369 break;
10370 #else
10371 if ((ctx->hflags & MIPS_HFLAG_CP0) ||
10372 (ctx->hflags & MIPS_HFLAG_HWRENA_ULR)) {
10373 tcg_gen_ld_tl(t0, cpu_env,
10374 offsetof(CPUMIPSState, active_tc.CP0_UserLocal));
10375 gen_store_gpr(t0, rt);
10376 } else {
10377 generate_exception_end(ctx, EXCP_RI);
10378 }
10379 break;
10380 #endif
10381 default: /* Invalid */
10382 MIPS_INVAL("rdhwr");
10383 generate_exception_end(ctx, EXCP_RI);
10384 break;
10385 }
10386 tcg_temp_free(t0);
10387 }
10388
10389 static inline void clear_branch_hflags(DisasContext *ctx)
10390 {
10391 ctx->hflags &= ~MIPS_HFLAG_BMASK;
10392 if (ctx->bstate == BS_NONE) {
10393 save_cpu_state(ctx, 0);
10394 } else {
10395 /* it is not safe to save ctx->hflags as hflags may be changed
10396 in execution time by the instruction in delay / forbidden slot. */
10397 tcg_gen_andi_i32(hflags, hflags, ~MIPS_HFLAG_BMASK);
10398 }
10399 }
10400
10401 static void gen_branch(DisasContext *ctx, int insn_bytes)
10402 {
10403 if (ctx->hflags & MIPS_HFLAG_BMASK) {
10404 int proc_hflags = ctx->hflags & MIPS_HFLAG_BMASK;
10405 /* Branches completion */
10406 clear_branch_hflags(ctx);
10407 ctx->bstate = BS_BRANCH;
10408 /* FIXME: Need to clear can_do_io. */
10409 switch (proc_hflags & MIPS_HFLAG_BMASK_BASE) {
10410 case MIPS_HFLAG_FBNSLOT:
10411 gen_goto_tb(ctx, 0, ctx->pc + insn_bytes);
10412 break;
10413 case MIPS_HFLAG_B:
10414 /* unconditional branch */
10415 if (proc_hflags & MIPS_HFLAG_BX) {
10416 tcg_gen_xori_i32(hflags, hflags, MIPS_HFLAG_M16);
10417 }
10418 gen_goto_tb(ctx, 0, ctx->btarget);
10419 break;
10420 case MIPS_HFLAG_BL:
10421 /* blikely taken case */
10422 gen_goto_tb(ctx, 0, ctx->btarget);
10423 break;
10424 case MIPS_HFLAG_BC:
10425 /* Conditional branch */
10426 {
10427 TCGLabel *l1 = gen_new_label();
10428
10429 tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1);
10430 gen_goto_tb(ctx, 1, ctx->pc + insn_bytes);
10431 gen_set_label(l1);
10432 gen_goto_tb(ctx, 0, ctx->btarget);
10433 }
10434 break;
10435 case MIPS_HFLAG_BR:
10436 /* unconditional branch to register */
10437 if (ctx->insn_flags & (ASE_MIPS16 | ASE_MICROMIPS)) {
10438 TCGv t0 = tcg_temp_new();
10439 TCGv_i32 t1 = tcg_temp_new_i32();
10440
10441 tcg_gen_andi_tl(t0, btarget, 0x1);
10442 tcg_gen_trunc_tl_i32(t1, t0);
10443 tcg_temp_free(t0);
10444 tcg_gen_andi_i32(hflags, hflags, ~(uint32_t)MIPS_HFLAG_M16);
10445 tcg_gen_shli_i32(t1, t1, MIPS_HFLAG_M16_SHIFT);
10446 tcg_gen_or_i32(hflags, hflags, t1);
10447 tcg_temp_free_i32(t1);
10448
10449 tcg_gen_andi_tl(cpu_PC, btarget, ~(target_ulong)0x1);
10450 } else {
10451 tcg_gen_mov_tl(cpu_PC, btarget);
10452 }
10453 if (ctx->singlestep_enabled) {
10454 save_cpu_state(ctx, 0);
10455 gen_helper_raise_exception_debug(cpu_env);
10456 }
10457 tcg_gen_exit_tb(0);
10458 break;
10459 default:
10460 fprintf(stderr, "unknown branch 0x%x\n", proc_hflags);
10461 abort();
10462 }
10463 }
10464 }
10465
10466 /* Compact Branches */
10467 static void gen_compute_compact_branch(DisasContext *ctx, uint32_t opc,
10468 int rs, int rt, int32_t offset)
10469 {
10470 int bcond_compute = 0;
10471 TCGv t0 = tcg_temp_new();
10472 TCGv t1 = tcg_temp_new();
10473 int m16_lowbit = (ctx->hflags & MIPS_HFLAG_M16) != 0;
10474
10475 if (ctx->hflags & MIPS_HFLAG_BMASK) {
10476 #ifdef MIPS_DEBUG_DISAS
10477 LOG_DISAS("Branch in delay / forbidden slot at PC 0x" TARGET_FMT_lx
10478 "\n", ctx->pc);
10479 #endif
10480 generate_exception_end(ctx, EXCP_RI);
10481 goto out;
10482 }
10483
10484 /* Load needed operands and calculate btarget */
10485 switch (opc) {
10486 /* compact branch */
10487 case OPC_BOVC: /* OPC_BEQZALC, OPC_BEQC */
10488 case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC */
10489 gen_load_gpr(t0, rs);
10490 gen_load_gpr(t1, rt);
10491 bcond_compute = 1;
10492 ctx->btarget = addr_add(ctx, ctx->pc + 4, offset);
10493 if (rs <= rt && rs == 0) {
10494 /* OPC_BEQZALC, OPC_BNEZALC */
10495 tcg_gen_movi_tl(cpu_gpr[31], ctx->pc + 4 + m16_lowbit);
10496 }
10497 break;
10498 case OPC_BLEZC: /* OPC_BGEZC, OPC_BGEC */
10499 case OPC_BGTZC: /* OPC_BLTZC, OPC_BLTC */
10500 gen_load_gpr(t0, rs);
10501 gen_load_gpr(t1, rt);
10502 bcond_compute = 1;
10503 ctx->btarget = addr_add(ctx, ctx->pc + 4, offset);
10504 break;
10505 case OPC_BLEZALC: /* OPC_BGEZALC, OPC_BGEUC */
10506 case OPC_BGTZALC: /* OPC_BLTZALC, OPC_BLTUC */
10507 if (rs == 0 || rs == rt) {
10508 /* OPC_BLEZALC, OPC_BGEZALC */
10509 /* OPC_BGTZALC, OPC_BLTZALC */
10510 tcg_gen_movi_tl(cpu_gpr[31], ctx->pc + 4 + m16_lowbit);
10511 }
10512 gen_load_gpr(t0, rs);
10513 gen_load_gpr(t1, rt);
10514 bcond_compute = 1;
10515 ctx->btarget = addr_add(ctx, ctx->pc + 4, offset);
10516 break;
10517 case OPC_BC:
10518 case OPC_BALC:
10519 ctx->btarget = addr_add(ctx, ctx->pc + 4, offset);
10520 break;
10521 case OPC_BEQZC:
10522 case OPC_BNEZC:
10523 if (rs != 0) {
10524 /* OPC_BEQZC, OPC_BNEZC */
10525 gen_load_gpr(t0, rs);
10526 bcond_compute = 1;
10527 ctx->btarget = addr_add(ctx, ctx->pc + 4, offset);
10528 } else {
10529 /* OPC_JIC, OPC_JIALC */
10530 TCGv tbase = tcg_temp_new();
10531 TCGv toffset = tcg_temp_new();
10532
10533 gen_load_gpr(tbase, rt);
10534 tcg_gen_movi_tl(toffset, offset);
10535 gen_op_addr_add(ctx, btarget, tbase, toffset);
10536 tcg_temp_free(tbase);
10537 tcg_temp_free(toffset);
10538 }
10539 break;
10540 default:
10541 MIPS_INVAL("Compact branch/jump");
10542 generate_exception_end(ctx, EXCP_RI);
10543 goto out;
10544 }
10545
10546 if (bcond_compute == 0) {
10547 /* Uncoditional compact branch */
10548 switch (opc) {
10549 case OPC_JIALC:
10550 tcg_gen_movi_tl(cpu_gpr[31], ctx->pc + 4 + m16_lowbit);
10551 /* Fallthrough */
10552 case OPC_JIC:
10553 ctx->hflags |= MIPS_HFLAG_BR;
10554 break;
10555 case OPC_BALC:
10556 tcg_gen_movi_tl(cpu_gpr[31], ctx->pc + 4 + m16_lowbit);
10557 /* Fallthrough */
10558 case OPC_BC:
10559 ctx->hflags |= MIPS_HFLAG_B;
10560 break;
10561 default:
10562 MIPS_INVAL("Compact branch/jump");
10563 generate_exception_end(ctx, EXCP_RI);
10564 goto out;
10565 }
10566
10567 /* Generating branch here as compact branches don't have delay slot */
10568 gen_branch(ctx, 4);
10569 } else {
10570 /* Conditional compact branch */
10571 TCGLabel *fs = gen_new_label();
10572 save_cpu_state(ctx, 0);
10573
10574 switch (opc) {
10575 case OPC_BLEZALC: /* OPC_BGEZALC, OPC_BGEUC */
10576 if (rs == 0 && rt != 0) {
10577 /* OPC_BLEZALC */
10578 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LE), t1, 0, fs);
10579 } else if (rs != 0 && rt != 0 && rs == rt) {
10580 /* OPC_BGEZALC */
10581 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GE), t1, 0, fs);
10582 } else {
10583 /* OPC_BGEUC */
10584 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_GEU), t0, t1, fs);
10585 }
10586 break;
10587 case OPC_BGTZALC: /* OPC_BLTZALC, OPC_BLTUC */
10588 if (rs == 0 && rt != 0) {
10589 /* OPC_BGTZALC */
10590 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GT), t1, 0, fs);
10591 } else if (rs != 0 && rt != 0 && rs == rt) {
10592 /* OPC_BLTZALC */
10593 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LT), t1, 0, fs);
10594 } else {
10595 /* OPC_BLTUC */
10596 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_LTU), t0, t1, fs);
10597 }
10598 break;
10599 case OPC_BLEZC: /* OPC_BGEZC, OPC_BGEC */
10600 if (rs == 0 && rt != 0) {
10601 /* OPC_BLEZC */
10602 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LE), t1, 0, fs);
10603 } else if (rs != 0 && rt != 0 && rs == rt) {
10604 /* OPC_BGEZC */
10605 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GE), t1, 0, fs);
10606 } else {
10607 /* OPC_BGEC */
10608 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_GE), t0, t1, fs);
10609 }
10610 break;
10611 case OPC_BGTZC: /* OPC_BLTZC, OPC_BLTC */
10612 if (rs == 0 && rt != 0) {
10613 /* OPC_BGTZC */
10614 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GT), t1, 0, fs);
10615 } else if (rs != 0 && rt != 0 && rs == rt) {
10616 /* OPC_BLTZC */
10617 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LT), t1, 0, fs);
10618 } else {
10619 /* OPC_BLTC */
10620 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_LT), t0, t1, fs);
10621 }
10622 break;
10623 case OPC_BOVC: /* OPC_BEQZALC, OPC_BEQC */
10624 case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC */
10625 if (rs >= rt) {
10626 /* OPC_BOVC, OPC_BNVC */
10627 TCGv t2 = tcg_temp_new();
10628 TCGv t3 = tcg_temp_new();
10629 TCGv t4 = tcg_temp_new();
10630 TCGv input_overflow = tcg_temp_new();
10631
10632 gen_load_gpr(t0, rs);
10633 gen_load_gpr(t1, rt);
10634 tcg_gen_ext32s_tl(t2, t0);
10635 tcg_gen_setcond_tl(TCG_COND_NE, input_overflow, t2, t0);
10636 tcg_gen_ext32s_tl(t3, t1);
10637 tcg_gen_setcond_tl(TCG_COND_NE, t4, t3, t1);
10638 tcg_gen_or_tl(input_overflow, input_overflow, t4);
10639
10640 tcg_gen_add_tl(t4, t2, t3);
10641 tcg_gen_ext32s_tl(t4, t4);
10642 tcg_gen_xor_tl(t2, t2, t3);
10643 tcg_gen_xor_tl(t3, t4, t3);
10644 tcg_gen_andc_tl(t2, t3, t2);
10645 tcg_gen_setcondi_tl(TCG_COND_LT, t4, t2, 0);
10646 tcg_gen_or_tl(t4, t4, input_overflow);
10647 if (opc == OPC_BOVC) {
10648 /* OPC_BOVC */
10649 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_NE), t4, 0, fs);
10650 } else {
10651 /* OPC_BNVC */
10652 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_EQ), t4, 0, fs);
10653 }
10654 tcg_temp_free(input_overflow);
10655 tcg_temp_free(t4);
10656 tcg_temp_free(t3);
10657 tcg_temp_free(t2);
10658 } else if (rs < rt && rs == 0) {
10659 /* OPC_BEQZALC, OPC_BNEZALC */
10660 if (opc == OPC_BEQZALC) {
10661 /* OPC_BEQZALC */
10662 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_EQ), t1, 0, fs);
10663 } else {
10664 /* OPC_BNEZALC */
10665 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_NE), t1, 0, fs);
10666 }
10667 } else {
10668 /* OPC_BEQC, OPC_BNEC */
10669 if (opc == OPC_BEQC) {
10670 /* OPC_BEQC */
10671 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_EQ), t0, t1, fs);
10672 } else {
10673 /* OPC_BNEC */
10674 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_NE), t0, t1, fs);
10675 }
10676 }
10677 break;
10678 case OPC_BEQZC:
10679 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_EQ), t0, 0, fs);
10680 break;
10681 case OPC_BNEZC:
10682 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_NE), t0, 0, fs);
10683 break;
10684 default:
10685 MIPS_INVAL("Compact conditional branch/jump");
10686 generate_exception_end(ctx, EXCP_RI);
10687 goto out;
10688 }
10689
10690 /* Generating branch here as compact branches don't have delay slot */
10691 gen_goto_tb(ctx, 1, ctx->btarget);
10692 gen_set_label(fs);
10693
10694 ctx->hflags |= MIPS_HFLAG_FBNSLOT;
10695 }
10696
10697 out:
10698 tcg_temp_free(t0);
10699 tcg_temp_free(t1);
10700 }
10701
10702 /* ISA extensions (ASEs) */
10703 /* MIPS16 extension to MIPS32 */
10704
10705 /* MIPS16 major opcodes */
10706 enum {
10707 M16_OPC_ADDIUSP = 0x00,
10708 M16_OPC_ADDIUPC = 0x01,
10709 M16_OPC_B = 0x02,
10710 M16_OPC_JAL = 0x03,
10711 M16_OPC_BEQZ = 0x04,
10712 M16_OPC_BNEQZ = 0x05,
10713 M16_OPC_SHIFT = 0x06,
10714 M16_OPC_LD = 0x07,
10715 M16_OPC_RRIA = 0x08,
10716 M16_OPC_ADDIU8 = 0x09,
10717 M16_OPC_SLTI = 0x0a,
10718 M16_OPC_SLTIU = 0x0b,
10719 M16_OPC_I8 = 0x0c,
10720 M16_OPC_LI = 0x0d,
10721 M16_OPC_CMPI = 0x0e,
10722 M16_OPC_SD = 0x0f,
10723 M16_OPC_LB = 0x10,
10724 M16_OPC_LH = 0x11,
10725 M16_OPC_LWSP = 0x12,
10726 M16_OPC_LW = 0x13,
10727 M16_OPC_LBU = 0x14,
10728 M16_OPC_LHU = 0x15,
10729 M16_OPC_LWPC = 0x16,
10730 M16_OPC_LWU = 0x17,
10731 M16_OPC_SB = 0x18,
10732 M16_OPC_SH = 0x19,
10733 M16_OPC_SWSP = 0x1a,
10734 M16_OPC_SW = 0x1b,
10735 M16_OPC_RRR = 0x1c,
10736 M16_OPC_RR = 0x1d,
10737 M16_OPC_EXTEND = 0x1e,
10738 M16_OPC_I64 = 0x1f
10739 };
10740
10741 /* I8 funct field */
10742 enum {
10743 I8_BTEQZ = 0x0,
10744 I8_BTNEZ = 0x1,
10745 I8_SWRASP = 0x2,
10746 I8_ADJSP = 0x3,
10747 I8_SVRS = 0x4,
10748 I8_MOV32R = 0x5,
10749 I8_MOVR32 = 0x7
10750 };
10751
10752 /* RRR f field */
10753 enum {
10754 RRR_DADDU = 0x0,
10755 RRR_ADDU = 0x1,
10756 RRR_DSUBU = 0x2,
10757 RRR_SUBU = 0x3
10758 };
10759
10760 /* RR funct field */
10761 enum {
10762 RR_JR = 0x00,
10763 RR_SDBBP = 0x01,
10764 RR_SLT = 0x02,
10765 RR_SLTU = 0x03,
10766 RR_SLLV = 0x04,
10767 RR_BREAK = 0x05,
10768 RR_SRLV = 0x06,
10769 RR_SRAV = 0x07,
10770 RR_DSRL = 0x08,
10771 RR_CMP = 0x0a,
10772 RR_NEG = 0x0b,
10773 RR_AND = 0x0c,
10774 RR_OR = 0x0d,
10775 RR_XOR = 0x0e,
10776 RR_NOT = 0x0f,
10777 RR_MFHI = 0x10,
10778 RR_CNVT = 0x11,
10779 RR_MFLO = 0x12,
10780 RR_DSRA = 0x13,
10781 RR_DSLLV = 0x14,
10782 RR_DSRLV = 0x16,
10783 RR_DSRAV = 0x17,
10784 RR_MULT = 0x18,
10785 RR_MULTU = 0x19,
10786 RR_DIV = 0x1a,
10787 RR_DIVU = 0x1b,
10788 RR_DMULT = 0x1c,
10789 RR_DMULTU = 0x1d,
10790 RR_DDIV = 0x1e,
10791 RR_DDIVU = 0x1f
10792 };
10793
10794 /* I64 funct field */
10795 enum {
10796 I64_LDSP = 0x0,
10797 I64_SDSP = 0x1,
10798 I64_SDRASP = 0x2,
10799 I64_DADJSP = 0x3,
10800 I64_LDPC = 0x4,
10801 I64_DADDIU5 = 0x5,
10802 I64_DADDIUPC = 0x6,
10803 I64_DADDIUSP = 0x7
10804 };
10805
10806 /* RR ry field for CNVT */
10807 enum {
10808 RR_RY_CNVT_ZEB = 0x0,
10809 RR_RY_CNVT_ZEH = 0x1,
10810 RR_RY_CNVT_ZEW = 0x2,
10811 RR_RY_CNVT_SEB = 0x4,
10812 RR_RY_CNVT_SEH = 0x5,
10813 RR_RY_CNVT_SEW = 0x6,
10814 };
10815
10816 static int xlat (int r)
10817 {
10818 static int map[] = { 16, 17, 2, 3, 4, 5, 6, 7 };
10819
10820 return map[r];
10821 }
10822
10823 static void gen_mips16_save (DisasContext *ctx,
10824 int xsregs, int aregs,
10825 int do_ra, int do_s0, int do_s1,
10826 int framesize)
10827 {
10828 TCGv t0 = tcg_temp_new();
10829 TCGv t1 = tcg_temp_new();
10830 TCGv t2 = tcg_temp_new();
10831 int args, astatic;
10832
10833 switch (aregs) {
10834 case 0:
10835 case 1:
10836 case 2:
10837 case 3:
10838 case 11:
10839 args = 0;
10840 break;
10841 case 4:
10842 case 5:
10843 case 6:
10844 case 7:
10845 args = 1;
10846 break;
10847 case 8:
10848 case 9:
10849 case 10:
10850 args = 2;
10851 break;
10852 case 12:
10853 case 13:
10854 args = 3;
10855 break;
10856 case 14:
10857 args = 4;
10858 break;
10859 default:
10860 generate_exception_end(ctx, EXCP_RI);
10861 return;
10862 }
10863
10864 switch (args) {
10865 case 4:
10866 gen_base_offset_addr(ctx, t0, 29, 12);
10867 gen_load_gpr(t1, 7);
10868 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUL);
10869 /* Fall through */
10870 case 3:
10871 gen_base_offset_addr(ctx, t0, 29, 8);
10872 gen_load_gpr(t1, 6);
10873 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUL);
10874 /* Fall through */
10875 case 2:
10876 gen_base_offset_addr(ctx, t0, 29, 4);
10877 gen_load_gpr(t1, 5);
10878 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUL);
10879 /* Fall through */
10880 case 1:
10881 gen_base_offset_addr(ctx, t0, 29, 0);
10882 gen_load_gpr(t1, 4);
10883 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUL);
10884 }
10885
10886 gen_load_gpr(t0, 29);
10887
10888 #define DECR_AND_STORE(reg) do { \
10889 tcg_gen_movi_tl(t2, -4); \
10890 gen_op_addr_add(ctx, t0, t0, t2); \
10891 gen_load_gpr(t1, reg); \
10892 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUL); \
10893 } while (0)
10894
10895 if (do_ra) {
10896 DECR_AND_STORE(31);
10897 }
10898
10899 switch (xsregs) {
10900 case 7:
10901 DECR_AND_STORE(30);
10902 /* Fall through */
10903 case 6:
10904 DECR_AND_STORE(23);
10905 /* Fall through */
10906 case 5:
10907 DECR_AND_STORE(22);
10908 /* Fall through */
10909 case 4:
10910 DECR_AND_STORE(21);
10911 /* Fall through */
10912 case 3:
10913 DECR_AND_STORE(20);
10914 /* Fall through */
10915 case 2:
10916 DECR_AND_STORE(19);
10917 /* Fall through */
10918 case 1:
10919 DECR_AND_STORE(18);
10920 }
10921
10922 if (do_s1) {
10923 DECR_AND_STORE(17);
10924 }
10925 if (do_s0) {
10926 DECR_AND_STORE(16);
10927 }
10928
10929 switch (aregs) {
10930 case 0:
10931 case 4:
10932 case 8:
10933 case 12:
10934 case 14:
10935 astatic = 0;
10936 break;
10937 case 1:
10938 case 5:
10939 case 9:
10940 case 13:
10941 astatic = 1;
10942 break;
10943 case 2:
10944 case 6:
10945 case 10:
10946 astatic = 2;
10947 break;
10948 case 3:
10949 case 7:
10950 astatic = 3;
10951 break;
10952 case 11:
10953 astatic = 4;
10954 break;
10955 default:
10956 generate_exception_end(ctx, EXCP_RI);
10957 return;
10958 }
10959
10960 if (astatic > 0) {
10961 DECR_AND_STORE(7);
10962 if (astatic > 1) {
10963 DECR_AND_STORE(6);
10964 if (astatic > 2) {
10965 DECR_AND_STORE(5);
10966 if (astatic > 3) {
10967 DECR_AND_STORE(4);
10968 }
10969 }
10970 }
10971 }
10972 #undef DECR_AND_STORE
10973
10974 tcg_gen_movi_tl(t2, -framesize);
10975 gen_op_addr_add(ctx, cpu_gpr[29], cpu_gpr[29], t2);
10976 tcg_temp_free(t0);
10977 tcg_temp_free(t1);
10978 tcg_temp_free(t2);
10979 }
10980
10981 static void gen_mips16_restore (DisasContext *ctx,
10982 int xsregs, int aregs,
10983 int do_ra, int do_s0, int do_s1,
10984 int framesize)
10985 {
10986 int astatic;
10987 TCGv t0 = tcg_temp_new();
10988 TCGv t1 = tcg_temp_new();
10989 TCGv t2 = tcg_temp_new();
10990
10991 tcg_gen_movi_tl(t2, framesize);
10992 gen_op_addr_add(ctx, t0, cpu_gpr[29], t2);
10993
10994 #define DECR_AND_LOAD(reg) do { \
10995 tcg_gen_movi_tl(t2, -4); \
10996 gen_op_addr_add(ctx, t0, t0, t2); \
10997 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TESL); \
10998 gen_store_gpr(t1, reg); \
10999 } while (0)
11000
11001 if (do_ra) {
11002 DECR_AND_LOAD(31);
11003 }
11004
11005 switch (xsregs) {
11006 case 7:
11007 DECR_AND_LOAD(30);
11008 /* Fall through */
11009 case 6:
11010 DECR_AND_LOAD(23);
11011 /* Fall through */
11012 case 5:
11013 DECR_AND_LOAD(22);
11014 /* Fall through */
11015 case 4:
11016 DECR_AND_LOAD(21);
11017 /* Fall through */
11018 case 3:
11019 DECR_AND_LOAD(20);
11020 /* Fall through */
11021 case 2:
11022 DECR_AND_LOAD(19);
11023 /* Fall through */
11024 case 1:
11025 DECR_AND_LOAD(18);
11026 }
11027
11028 if (do_s1) {
11029 DECR_AND_LOAD(17);
11030 }
11031 if (do_s0) {
11032 DECR_AND_LOAD(16);
11033 }
11034
11035 switch (aregs) {
11036 case 0:
11037 case 4:
11038 case 8:
11039 case 12:
11040 case 14:
11041 astatic = 0;
11042 break;
11043 case 1:
11044 case 5:
11045 case 9:
11046 case 13:
11047 astatic = 1;
11048 break;
11049 case 2:
11050 case 6:
11051 case 10:
11052 astatic = 2;
11053 break;
11054 case 3:
11055 case 7:
11056 astatic = 3;
11057 break;
11058 case 11:
11059 astatic = 4;
11060 break;
11061 default:
11062 generate_exception_end(ctx, EXCP_RI);
11063 return;
11064 }
11065
11066 if (astatic > 0) {
11067 DECR_AND_LOAD(7);
11068 if (astatic > 1) {
11069 DECR_AND_LOAD(6);
11070 if (astatic > 2) {
11071 DECR_AND_LOAD(5);
11072 if (astatic > 3) {
11073 DECR_AND_LOAD(4);
11074 }
11075 }
11076 }
11077 }
11078 #undef DECR_AND_LOAD
11079
11080 tcg_gen_movi_tl(t2, framesize);
11081 gen_op_addr_add(ctx, cpu_gpr[29], cpu_gpr[29], t2);
11082 tcg_temp_free(t0);
11083 tcg_temp_free(t1);
11084 tcg_temp_free(t2);
11085 }
11086
11087 static void gen_addiupc (DisasContext *ctx, int rx, int imm,
11088 int is_64_bit, int extended)
11089 {
11090 TCGv t0;
11091
11092 if (extended && (ctx->hflags & MIPS_HFLAG_BMASK)) {
11093 generate_exception_end(ctx, EXCP_RI);
11094 return;
11095 }
11096
11097 t0 = tcg_temp_new();
11098
11099 tcg_gen_movi_tl(t0, pc_relative_pc(ctx));
11100 tcg_gen_addi_tl(cpu_gpr[rx], t0, imm);
11101 if (!is_64_bit) {
11102 tcg_gen_ext32s_tl(cpu_gpr[rx], cpu_gpr[rx]);
11103 }
11104
11105 tcg_temp_free(t0);
11106 }
11107
11108 #if defined(TARGET_MIPS64)
11109 static void decode_i64_mips16 (DisasContext *ctx,
11110 int ry, int funct, int16_t offset,
11111 int extended)
11112 {
11113 switch (funct) {
11114 case I64_LDSP:
11115 check_insn(ctx, ISA_MIPS3);
11116 check_mips_64(ctx);
11117 offset = extended ? offset : offset << 3;
11118 gen_ld(ctx, OPC_LD, ry, 29, offset);
11119 break;
11120 case I64_SDSP:
11121 check_insn(ctx, ISA_MIPS3);
11122 check_mips_64(ctx);
11123 offset = extended ? offset : offset << 3;
11124 gen_st(ctx, OPC_SD, ry, 29, offset);
11125 break;
11126 case I64_SDRASP:
11127 check_insn(ctx, ISA_MIPS3);
11128 check_mips_64(ctx);
11129 offset = extended ? offset : (ctx->opcode & 0xff) << 3;
11130 gen_st(ctx, OPC_SD, 31, 29, offset);
11131 break;
11132 case I64_DADJSP:
11133 check_insn(ctx, ISA_MIPS3);
11134 check_mips_64(ctx);
11135 offset = extended ? offset : ((int8_t)ctx->opcode) << 3;
11136 gen_arith_imm(ctx, OPC_DADDIU, 29, 29, offset);
11137 break;
11138 case I64_LDPC:
11139 check_insn(ctx, ISA_MIPS3);
11140 check_mips_64(ctx);
11141 if (extended && (ctx->hflags & MIPS_HFLAG_BMASK)) {
11142 generate_exception_end(ctx, EXCP_RI);
11143 } else {
11144 offset = extended ? offset : offset << 3;
11145 gen_ld(ctx, OPC_LDPC, ry, 0, offset);
11146 }
11147 break;
11148 case I64_DADDIU5:
11149 check_insn(ctx, ISA_MIPS3);
11150 check_mips_64(ctx);
11151 offset = extended ? offset : ((int8_t)(offset << 3)) >> 3;
11152 gen_arith_imm(ctx, OPC_DADDIU, ry, ry, offset);
11153 break;
11154 case I64_DADDIUPC:
11155 check_insn(ctx, ISA_MIPS3);
11156 check_mips_64(ctx);
11157 offset = extended ? offset : offset << 2;
11158 gen_addiupc(ctx, ry, offset, 1, extended);
11159 break;
11160 case I64_DADDIUSP:
11161 check_insn(ctx, ISA_MIPS3);
11162 check_mips_64(ctx);
11163 offset = extended ? offset : offset << 2;
11164 gen_arith_imm(ctx, OPC_DADDIU, ry, 29, offset);
11165 break;
11166 }
11167 }
11168 #endif
11169
11170 static int decode_extended_mips16_opc (CPUMIPSState *env, DisasContext *ctx)
11171 {
11172 int extend = cpu_lduw_code(env, ctx->pc + 2);
11173 int op, rx, ry, funct, sa;
11174 int16_t imm, offset;
11175
11176 ctx->opcode = (ctx->opcode << 16) | extend;
11177 op = (ctx->opcode >> 11) & 0x1f;
11178 sa = (ctx->opcode >> 22) & 0x1f;
11179 funct = (ctx->opcode >> 8) & 0x7;
11180 rx = xlat((ctx->opcode >> 8) & 0x7);
11181 ry = xlat((ctx->opcode >> 5) & 0x7);
11182 offset = imm = (int16_t) (((ctx->opcode >> 16) & 0x1f) << 11
11183 | ((ctx->opcode >> 21) & 0x3f) << 5
11184 | (ctx->opcode & 0x1f));
11185
11186 /* The extended opcodes cleverly reuse the opcodes from their 16-bit
11187 counterparts. */
11188 switch (op) {
11189 case M16_OPC_ADDIUSP:
11190 gen_arith_imm(ctx, OPC_ADDIU, rx, 29, imm);
11191 break;
11192 case M16_OPC_ADDIUPC:
11193 gen_addiupc(ctx, rx, imm, 0, 1);
11194 break;
11195 case M16_OPC_B:
11196 gen_compute_branch(ctx, OPC_BEQ, 4, 0, 0, offset << 1, 0);
11197 /* No delay slot, so just process as a normal instruction */
11198 break;
11199 case M16_OPC_BEQZ:
11200 gen_compute_branch(ctx, OPC_BEQ, 4, rx, 0, offset << 1, 0);
11201 /* No delay slot, so just process as a normal instruction */
11202 break;
11203 case M16_OPC_BNEQZ:
11204 gen_compute_branch(ctx, OPC_BNE, 4, rx, 0, offset << 1, 0);
11205 /* No delay slot, so just process as a normal instruction */
11206 break;
11207 case M16_OPC_SHIFT:
11208 switch (ctx->opcode & 0x3) {
11209 case 0x0:
11210 gen_shift_imm(ctx, OPC_SLL, rx, ry, sa);
11211 break;
11212 case 0x1:
11213 #if defined(TARGET_MIPS64)
11214 check_mips_64(ctx);
11215 gen_shift_imm(ctx, OPC_DSLL, rx, ry, sa);
11216 #else
11217 generate_exception_end(ctx, EXCP_RI);
11218 #endif
11219 break;
11220 case 0x2:
11221 gen_shift_imm(ctx, OPC_SRL, rx, ry, sa);
11222 break;
11223 case 0x3:
11224 gen_shift_imm(ctx, OPC_SRA, rx, ry, sa);
11225 break;
11226 }
11227 break;
11228 #if defined(TARGET_MIPS64)
11229 case M16_OPC_LD:
11230 check_insn(ctx, ISA_MIPS3);
11231 check_mips_64(ctx);
11232 gen_ld(ctx, OPC_LD, ry, rx, offset);
11233 break;
11234 #endif
11235 case M16_OPC_RRIA:
11236 imm = ctx->opcode & 0xf;
11237 imm = imm | ((ctx->opcode >> 20) & 0x7f) << 4;
11238 imm = imm | ((ctx->opcode >> 16) & 0xf) << 11;
11239 imm = (int16_t) (imm << 1) >> 1;
11240 if ((ctx->opcode >> 4) & 0x1) {
11241 #if defined(TARGET_MIPS64)
11242 check_mips_64(ctx);
11243 gen_arith_imm(ctx, OPC_DADDIU, ry, rx, imm);
11244 #else
11245 generate_exception_end(ctx, EXCP_RI);
11246 #endif
11247 } else {
11248 gen_arith_imm(ctx, OPC_ADDIU, ry, rx, imm);
11249 }
11250 break;
11251 case M16_OPC_ADDIU8:
11252 gen_arith_imm(ctx, OPC_ADDIU, rx, rx, imm);
11253 break;
11254 case M16_OPC_SLTI:
11255 gen_slt_imm(ctx, OPC_SLTI, 24, rx, imm);
11256 break;
11257 case M16_OPC_SLTIU:
11258 gen_slt_imm(ctx, OPC_SLTIU, 24, rx, imm);
11259 break;
11260 case M16_OPC_I8:
11261 switch (funct) {
11262 case I8_BTEQZ:
11263 gen_compute_branch(ctx, OPC_BEQ, 4, 24, 0, offset << 1, 0);
11264 break;
11265 case I8_BTNEZ:
11266 gen_compute_branch(ctx, OPC_BNE, 4, 24, 0, offset << 1, 0);
11267 break;
11268 case I8_SWRASP:
11269 gen_st(ctx, OPC_SW, 31, 29, imm);
11270 break;
11271 case I8_ADJSP:
11272 gen_arith_imm(ctx, OPC_ADDIU, 29, 29, imm);
11273 break;
11274 case I8_SVRS:
11275 check_insn(ctx, ISA_MIPS32);
11276 {
11277 int xsregs = (ctx->opcode >> 24) & 0x7;
11278 int aregs = (ctx->opcode >> 16) & 0xf;
11279 int do_ra = (ctx->opcode >> 6) & 0x1;
11280 int do_s0 = (ctx->opcode >> 5) & 0x1;
11281 int do_s1 = (ctx->opcode >> 4) & 0x1;
11282 int framesize = (((ctx->opcode >> 20) & 0xf) << 4
11283 | (ctx->opcode & 0xf)) << 3;
11284
11285 if (ctx->opcode & (1 << 7)) {
11286 gen_mips16_save(ctx, xsregs, aregs,
11287 do_ra, do_s0, do_s1,
11288 framesize);
11289 } else {
11290 gen_mips16_restore(ctx, xsregs, aregs,
11291 do_ra, do_s0, do_s1,
11292 framesize);
11293 }
11294 }
11295 break;
11296 default:
11297 generate_exception_end(ctx, EXCP_RI);
11298 break;
11299 }
11300 break;
11301 case M16_OPC_LI:
11302 tcg_gen_movi_tl(cpu_gpr[rx], (uint16_t) imm);
11303 break;
11304 case M16_OPC_CMPI:
11305 tcg_gen_xori_tl(cpu_gpr[24], cpu_gpr[rx], (uint16_t) imm);
11306 break;
11307 #if defined(TARGET_MIPS64)
11308 case M16_OPC_SD:
11309 check_insn(ctx, ISA_MIPS3);
11310 check_mips_64(ctx);
11311 gen_st(ctx, OPC_SD, ry, rx, offset);
11312 break;
11313 #endif
11314 case M16_OPC_LB:
11315 gen_ld(ctx, OPC_LB, ry, rx, offset);
11316 break;
11317 case M16_OPC_LH:
11318 gen_ld(ctx, OPC_LH, ry, rx, offset);
11319 break;
11320 case M16_OPC_LWSP:
11321 gen_ld(ctx, OPC_LW, rx, 29, offset);
11322 break;
11323 case M16_OPC_LW:
11324 gen_ld(ctx, OPC_LW, ry, rx, offset);
11325 break;
11326 case M16_OPC_LBU:
11327 gen_ld(ctx, OPC_LBU, ry, rx, offset);
11328 break;
11329 case M16_OPC_LHU:
11330 gen_ld(ctx, OPC_LHU, ry, rx, offset);
11331 break;
11332 case M16_OPC_LWPC:
11333 gen_ld(ctx, OPC_LWPC, rx, 0, offset);
11334 break;
11335 #if defined(TARGET_MIPS64)
11336 case M16_OPC_LWU:
11337 check_insn(ctx, ISA_MIPS3);
11338 check_mips_64(ctx);
11339 gen_ld(ctx, OPC_LWU, ry, rx, offset);
11340 break;
11341 #endif
11342 case M16_OPC_SB:
11343 gen_st(ctx, OPC_SB, ry, rx, offset);
11344 break;
11345 case M16_OPC_SH:
11346 gen_st(ctx, OPC_SH, ry, rx, offset);
11347 break;
11348 case M16_OPC_SWSP:
11349 gen_st(ctx, OPC_SW, rx, 29, offset);
11350 break;
11351 case M16_OPC_SW:
11352 gen_st(ctx, OPC_SW, ry, rx, offset);
11353 break;
11354 #if defined(TARGET_MIPS64)
11355 case M16_OPC_I64:
11356 decode_i64_mips16(ctx, ry, funct, offset, 1);
11357 break;
11358 #endif
11359 default:
11360 generate_exception_end(ctx, EXCP_RI);
11361 break;
11362 }
11363
11364 return 4;
11365 }
11366
11367 static inline bool is_uhi(int sdbbp_code)
11368 {
11369 #ifdef CONFIG_USER_ONLY
11370 return false;
11371 #else
11372 return semihosting_enabled() && sdbbp_code == 1;
11373 #endif
11374 }
11375
11376 static int decode_mips16_opc (CPUMIPSState *env, DisasContext *ctx)
11377 {
11378 int rx, ry;
11379 int sa;
11380 int op, cnvt_op, op1, offset;
11381 int funct;
11382 int n_bytes;
11383
11384 op = (ctx->opcode >> 11) & 0x1f;
11385 sa = (ctx->opcode >> 2) & 0x7;
11386 sa = sa == 0 ? 8 : sa;
11387 rx = xlat((ctx->opcode >> 8) & 0x7);
11388 cnvt_op = (ctx->opcode >> 5) & 0x7;
11389 ry = xlat((ctx->opcode >> 5) & 0x7);
11390 op1 = offset = ctx->opcode & 0x1f;
11391
11392 n_bytes = 2;
11393
11394 switch (op) {
11395 case M16_OPC_ADDIUSP:
11396 {
11397 int16_t imm = ((uint8_t) ctx->opcode) << 2;
11398
11399 gen_arith_imm(ctx, OPC_ADDIU, rx, 29, imm);
11400 }
11401 break;
11402 case M16_OPC_ADDIUPC:
11403 gen_addiupc(ctx, rx, ((uint8_t) ctx->opcode) << 2, 0, 0);
11404 break;
11405 case M16_OPC_B:
11406 offset = (ctx->opcode & 0x7ff) << 1;
11407 offset = (int16_t)(offset << 4) >> 4;
11408 gen_compute_branch(ctx, OPC_BEQ, 2, 0, 0, offset, 0);
11409 /* No delay slot, so just process as a normal instruction */
11410 break;
11411 case M16_OPC_JAL:
11412 offset = cpu_lduw_code(env, ctx->pc + 2);
11413 offset = (((ctx->opcode & 0x1f) << 21)
11414 | ((ctx->opcode >> 5) & 0x1f) << 16
11415 | offset) << 2;
11416 op = ((ctx->opcode >> 10) & 0x1) ? OPC_JALX : OPC_JAL;
11417 gen_compute_branch(ctx, op, 4, rx, ry, offset, 2);
11418 n_bytes = 4;
11419 break;
11420 case M16_OPC_BEQZ:
11421 gen_compute_branch(ctx, OPC_BEQ, 2, rx, 0,
11422 ((int8_t)ctx->opcode) << 1, 0);
11423 /* No delay slot, so just process as a normal instruction */
11424 break;
11425 case M16_OPC_BNEQZ:
11426 gen_compute_branch(ctx, OPC_BNE, 2, rx, 0,
11427 ((int8_t)ctx->opcode) << 1, 0);
11428 /* No delay slot, so just process as a normal instruction */
11429 break;
11430 case M16_OPC_SHIFT:
11431 switch (ctx->opcode & 0x3) {
11432 case 0x0:
11433 gen_shift_imm(ctx, OPC_SLL, rx, ry, sa);
11434 break;
11435 case 0x1:
11436 #if defined(TARGET_MIPS64)
11437 check_insn(ctx, ISA_MIPS3);
11438 check_mips_64(ctx);
11439 gen_shift_imm(ctx, OPC_DSLL, rx, ry, sa);
11440 #else
11441 generate_exception_end(ctx, EXCP_RI);
11442 #endif
11443 break;
11444 case 0x2:
11445 gen_shift_imm(ctx, OPC_SRL, rx, ry, sa);
11446 break;
11447 case 0x3:
11448 gen_shift_imm(ctx, OPC_SRA, rx, ry, sa);
11449 break;
11450 }
11451 break;
11452 #if defined(TARGET_MIPS64)
11453 case M16_OPC_LD:
11454 check_insn(ctx, ISA_MIPS3);
11455 check_mips_64(ctx);
11456 gen_ld(ctx, OPC_LD, ry, rx, offset << 3);
11457 break;
11458 #endif
11459 case M16_OPC_RRIA:
11460 {
11461 int16_t imm = (int8_t)((ctx->opcode & 0xf) << 4) >> 4;
11462
11463 if ((ctx->opcode >> 4) & 1) {
11464 #if defined(TARGET_MIPS64)
11465 check_insn(ctx, ISA_MIPS3);
11466 check_mips_64(ctx);
11467 gen_arith_imm(ctx, OPC_DADDIU, ry, rx, imm);
11468 #else
11469 generate_exception_end(ctx, EXCP_RI);
11470 #endif
11471 } else {
11472 gen_arith_imm(ctx, OPC_ADDIU, ry, rx, imm);
11473 }
11474 }
11475 break;
11476 case M16_OPC_ADDIU8:
11477 {
11478 int16_t imm = (int8_t) ctx->opcode;
11479
11480 gen_arith_imm(ctx, OPC_ADDIU, rx, rx, imm);
11481 }
11482 break;
11483 case M16_OPC_SLTI:
11484 {
11485 int16_t imm = (uint8_t) ctx->opcode;
11486 gen_slt_imm(ctx, OPC_SLTI, 24, rx, imm);
11487 }
11488 break;
11489 case M16_OPC_SLTIU:
11490 {
11491 int16_t imm = (uint8_t) ctx->opcode;
11492 gen_slt_imm(ctx, OPC_SLTIU, 24, rx, imm);
11493 }
11494 break;
11495 case M16_OPC_I8:
11496 {
11497 int reg32;
11498
11499 funct = (ctx->opcode >> 8) & 0x7;
11500 switch (funct) {
11501 case I8_BTEQZ:
11502 gen_compute_branch(ctx, OPC_BEQ, 2, 24, 0,
11503 ((int8_t)ctx->opcode) << 1, 0);
11504 break;
11505 case I8_BTNEZ:
11506 gen_compute_branch(ctx, OPC_BNE, 2, 24, 0,
11507 ((int8_t)ctx->opcode) << 1, 0);
11508 break;
11509 case I8_SWRASP:
11510 gen_st(ctx, OPC_SW, 31, 29, (ctx->opcode & 0xff) << 2);
11511 break;
11512 case I8_ADJSP:
11513 gen_arith_imm(ctx, OPC_ADDIU, 29, 29,
11514 ((int8_t)ctx->opcode) << 3);
11515 break;
11516 case I8_SVRS:
11517 check_insn(ctx, ISA_MIPS32);
11518 {
11519 int do_ra = ctx->opcode & (1 << 6);
11520 int do_s0 = ctx->opcode & (1 << 5);
11521 int do_s1 = ctx->opcode & (1 << 4);
11522 int framesize = ctx->opcode & 0xf;
11523
11524 if (framesize == 0) {
11525 framesize = 128;
11526 } else {
11527 framesize = framesize << 3;
11528 }
11529
11530 if (ctx->opcode & (1 << 7)) {
11531 gen_mips16_save(ctx, 0, 0,
11532 do_ra, do_s0, do_s1, framesize);
11533 } else {
11534 gen_mips16_restore(ctx, 0, 0,
11535 do_ra, do_s0, do_s1, framesize);
11536 }
11537 }
11538 break;
11539 case I8_MOV32R:
11540 {
11541 int rz = xlat(ctx->opcode & 0x7);
11542
11543 reg32 = (((ctx->opcode >> 3) & 0x3) << 3) |
11544 ((ctx->opcode >> 5) & 0x7);
11545 gen_arith(ctx, OPC_ADDU, reg32, rz, 0);
11546 }
11547 break;
11548 case I8_MOVR32:
11549 reg32 = ctx->opcode & 0x1f;
11550 gen_arith(ctx, OPC_ADDU, ry, reg32, 0);
11551 break;
11552 default:
11553 generate_exception_end(ctx, EXCP_RI);
11554 break;
11555 }
11556 }
11557 break;
11558 case M16_OPC_LI:
11559 {
11560 int16_t imm = (uint8_t) ctx->opcode;
11561
11562 gen_arith_imm(ctx, OPC_ADDIU, rx, 0, imm);
11563 }
11564 break;
11565 case M16_OPC_CMPI:
11566 {
11567 int16_t imm = (uint8_t) ctx->opcode;
11568 gen_logic_imm(ctx, OPC_XORI, 24, rx, imm);
11569 }
11570 break;
11571 #if defined(TARGET_MIPS64)
11572 case M16_OPC_SD:
11573 check_insn(ctx, ISA_MIPS3);
11574 check_mips_64(ctx);
11575 gen_st(ctx, OPC_SD, ry, rx, offset << 3);
11576 break;
11577 #endif
11578 case M16_OPC_LB:
11579 gen_ld(ctx, OPC_LB, ry, rx, offset);
11580 break;
11581 case M16_OPC_LH:
11582 gen_ld(ctx, OPC_LH, ry, rx, offset << 1);
11583 break;
11584 case M16_OPC_LWSP:
11585 gen_ld(ctx, OPC_LW, rx, 29, ((uint8_t)ctx->opcode) << 2);
11586 break;
11587 case M16_OPC_LW:
11588 gen_ld(ctx, OPC_LW, ry, rx, offset << 2);
11589 break;
11590 case M16_OPC_LBU:
11591 gen_ld(ctx, OPC_LBU, ry, rx, offset);
11592 break;
11593 case M16_OPC_LHU:
11594 gen_ld(ctx, OPC_LHU, ry, rx, offset << 1);
11595 break;
11596 case M16_OPC_LWPC:
11597 gen_ld(ctx, OPC_LWPC, rx, 0, ((uint8_t)ctx->opcode) << 2);
11598 break;
11599 #if defined (TARGET_MIPS64)
11600 case M16_OPC_LWU:
11601 check_insn(ctx, ISA_MIPS3);
11602 check_mips_64(ctx);
11603 gen_ld(ctx, OPC_LWU, ry, rx, offset << 2);
11604 break;
11605 #endif
11606 case M16_OPC_SB:
11607 gen_st(ctx, OPC_SB, ry, rx, offset);
11608 break;
11609 case M16_OPC_SH:
11610 gen_st(ctx, OPC_SH, ry, rx, offset << 1);
11611 break;
11612 case M16_OPC_SWSP:
11613 gen_st(ctx, OPC_SW, rx, 29, ((uint8_t)ctx->opcode) << 2);
11614 break;
11615 case M16_OPC_SW:
11616 gen_st(ctx, OPC_SW, ry, rx, offset << 2);
11617 break;
11618 case M16_OPC_RRR:
11619 {
11620 int rz = xlat((ctx->opcode >> 2) & 0x7);
11621 int mips32_op;
11622
11623 switch (ctx->opcode & 0x3) {
11624 case RRR_ADDU:
11625 mips32_op = OPC_ADDU;
11626 break;
11627 case RRR_SUBU:
11628 mips32_op = OPC_SUBU;
11629 break;
11630 #if defined(TARGET_MIPS64)
11631 case RRR_DADDU:
11632 mips32_op = OPC_DADDU;
11633 check_insn(ctx, ISA_MIPS3);
11634 check_mips_64(ctx);
11635 break;
11636 case RRR_DSUBU:
11637 mips32_op = OPC_DSUBU;
11638 check_insn(ctx, ISA_MIPS3);
11639 check_mips_64(ctx);
11640 break;
11641 #endif
11642 default:
11643 generate_exception_end(ctx, EXCP_RI);
11644 goto done;
11645 }
11646
11647 gen_arith(ctx, mips32_op, rz, rx, ry);
11648 done:
11649 ;
11650 }
11651 break;
11652 case M16_OPC_RR:
11653 switch (op1) {
11654 case RR_JR:
11655 {
11656 int nd = (ctx->opcode >> 7) & 0x1;
11657 int link = (ctx->opcode >> 6) & 0x1;
11658 int ra = (ctx->opcode >> 5) & 0x1;
11659
11660 if (nd) {
11661 check_insn(ctx, ISA_MIPS32);
11662 }
11663
11664 if (link) {
11665 op = OPC_JALR;
11666 } else {
11667 op = OPC_JR;
11668 }
11669
11670 gen_compute_branch(ctx, op, 2, ra ? 31 : rx, 31, 0,
11671 (nd ? 0 : 2));
11672 }
11673 break;
11674 case RR_SDBBP:
11675 if (is_uhi(extract32(ctx->opcode, 5, 6))) {
11676 gen_helper_do_semihosting(cpu_env);
11677 } else {
11678 /* XXX: not clear which exception should be raised
11679 * when in debug mode...
11680 */
11681 check_insn(ctx, ISA_MIPS32);
11682 generate_exception_end(ctx, EXCP_DBp);
11683 }
11684 break;
11685 case RR_SLT:
11686 gen_slt(ctx, OPC_SLT, 24, rx, ry);
11687 break;
11688 case RR_SLTU:
11689 gen_slt(ctx, OPC_SLTU, 24, rx, ry);
11690 break;
11691 case RR_BREAK:
11692 generate_exception_end(ctx, EXCP_BREAK);
11693 break;
11694 case RR_SLLV:
11695 gen_shift(ctx, OPC_SLLV, ry, rx, ry);
11696 break;
11697 case RR_SRLV:
11698 gen_shift(ctx, OPC_SRLV, ry, rx, ry);
11699 break;
11700 case RR_SRAV:
11701 gen_shift(ctx, OPC_SRAV, ry, rx, ry);
11702 break;
11703 #if defined (TARGET_MIPS64)
11704 case RR_DSRL:
11705 check_insn(ctx, ISA_MIPS3);
11706 check_mips_64(ctx);
11707 gen_shift_imm(ctx, OPC_DSRL, ry, ry, sa);
11708 break;
11709 #endif
11710 case RR_CMP:
11711 gen_logic(ctx, OPC_XOR, 24, rx, ry);
11712 break;
11713 case RR_NEG:
11714 gen_arith(ctx, OPC_SUBU, rx, 0, ry);
11715 break;
11716 case RR_AND:
11717 gen_logic(ctx, OPC_AND, rx, rx, ry);
11718 break;
11719 case RR_OR:
11720 gen_logic(ctx, OPC_OR, rx, rx, ry);
11721 break;
11722 case RR_XOR:
11723 gen_logic(ctx, OPC_XOR, rx, rx, ry);
11724 break;
11725 case RR_NOT:
11726 gen_logic(ctx, OPC_NOR, rx, ry, 0);
11727 break;
11728 case RR_MFHI:
11729 gen_HILO(ctx, OPC_MFHI, 0, rx);
11730 break;
11731 case RR_CNVT:
11732 check_insn(ctx, ISA_MIPS32);
11733 switch (cnvt_op) {
11734 case RR_RY_CNVT_ZEB:
11735 tcg_gen_ext8u_tl(cpu_gpr[rx], cpu_gpr[rx]);
11736 break;
11737 case RR_RY_CNVT_ZEH:
11738 tcg_gen_ext16u_tl(cpu_gpr[rx], cpu_gpr[rx]);
11739 break;
11740 case RR_RY_CNVT_SEB:
11741 tcg_gen_ext8s_tl(cpu_gpr[rx], cpu_gpr[rx]);
11742 break;
11743 case RR_RY_CNVT_SEH:
11744 tcg_gen_ext16s_tl(cpu_gpr[rx], cpu_gpr[rx]);
11745 break;
11746 #if defined (TARGET_MIPS64)
11747 case RR_RY_CNVT_ZEW:
11748 check_insn(ctx, ISA_MIPS64);
11749 check_mips_64(ctx);
11750 tcg_gen_ext32u_tl(cpu_gpr[rx], cpu_gpr[rx]);
11751 break;
11752 case RR_RY_CNVT_SEW:
11753 check_insn(ctx, ISA_MIPS64);
11754 check_mips_64(ctx);
11755 tcg_gen_ext32s_tl(cpu_gpr[rx], cpu_gpr[rx]);
11756 break;
11757 #endif
11758 default:
11759 generate_exception_end(ctx, EXCP_RI);
11760 break;
11761 }
11762 break;
11763 case RR_MFLO:
11764 gen_HILO(ctx, OPC_MFLO, 0, rx);
11765 break;
11766 #if defined (TARGET_MIPS64)
11767 case RR_DSRA:
11768 check_insn(ctx, ISA_MIPS3);
11769 check_mips_64(ctx);
11770 gen_shift_imm(ctx, OPC_DSRA, ry, ry, sa);
11771 break;
11772 case RR_DSLLV:
11773 check_insn(ctx, ISA_MIPS3);
11774 check_mips_64(ctx);
11775 gen_shift(ctx, OPC_DSLLV, ry, rx, ry);
11776 break;
11777 case RR_DSRLV:
11778 check_insn(ctx, ISA_MIPS3);
11779 check_mips_64(ctx);
11780 gen_shift(ctx, OPC_DSRLV, ry, rx, ry);
11781 break;
11782 case RR_DSRAV:
11783 check_insn(ctx, ISA_MIPS3);
11784 check_mips_64(ctx);
11785 gen_shift(ctx, OPC_DSRAV, ry, rx, ry);
11786 break;
11787 #endif
11788 case RR_MULT:
11789 gen_muldiv(ctx, OPC_MULT, 0, rx, ry);
11790 break;
11791 case RR_MULTU:
11792 gen_muldiv(ctx, OPC_MULTU, 0, rx, ry);
11793 break;
11794 case RR_DIV:
11795 gen_muldiv(ctx, OPC_DIV, 0, rx, ry);
11796 break;
11797 case RR_DIVU:
11798 gen_muldiv(ctx, OPC_DIVU, 0, rx, ry);
11799 break;
11800 #if defined (TARGET_MIPS64)
11801 case RR_DMULT:
11802 check_insn(ctx, ISA_MIPS3);
11803 check_mips_64(ctx);
11804 gen_muldiv(ctx, OPC_DMULT, 0, rx, ry);
11805 break;
11806 case RR_DMULTU:
11807 check_insn(ctx, ISA_MIPS3);
11808 check_mips_64(ctx);
11809 gen_muldiv(ctx, OPC_DMULTU, 0, rx, ry);
11810 break;
11811 case RR_DDIV:
11812 check_insn(ctx, ISA_MIPS3);
11813 check_mips_64(ctx);
11814 gen_muldiv(ctx, OPC_DDIV, 0, rx, ry);
11815 break;
11816 case RR_DDIVU:
11817 check_insn(ctx, ISA_MIPS3);
11818 check_mips_64(ctx);
11819 gen_muldiv(ctx, OPC_DDIVU, 0, rx, ry);
11820 break;
11821 #endif
11822 default:
11823 generate_exception_end(ctx, EXCP_RI);
11824 break;
11825 }
11826 break;
11827 case M16_OPC_EXTEND:
11828 decode_extended_mips16_opc(env, ctx);
11829 n_bytes = 4;
11830 break;
11831 #if defined(TARGET_MIPS64)
11832 case M16_OPC_I64:
11833 funct = (ctx->opcode >> 8) & 0x7;
11834 decode_i64_mips16(ctx, ry, funct, offset, 0);
11835 break;
11836 #endif
11837 default:
11838 generate_exception_end(ctx, EXCP_RI);
11839 break;
11840 }
11841
11842 return n_bytes;
11843 }
11844
11845 /* microMIPS extension to MIPS32/MIPS64 */
11846
11847 /*
11848 * microMIPS32/microMIPS64 major opcodes
11849 *
11850 * 1. MIPS Architecture for Programmers Volume II-B:
11851 * The microMIPS32 Instruction Set (Revision 3.05)
11852 *
11853 * Table 6.2 microMIPS32 Encoding of Major Opcode Field
11854 *
11855 * 2. MIPS Architecture For Programmers Volume II-A:
11856 * The MIPS64 Instruction Set (Revision 3.51)
11857 */
11858
11859 enum {
11860 POOL32A = 0x00,
11861 POOL16A = 0x01,
11862 LBU16 = 0x02,
11863 MOVE16 = 0x03,
11864 ADDI32 = 0x04,
11865 R6_LUI = 0x04,
11866 AUI = 0x04,
11867 LBU32 = 0x05,
11868 SB32 = 0x06,
11869 LB32 = 0x07,
11870
11871 POOL32B = 0x08,
11872 POOL16B = 0x09,
11873 LHU16 = 0x0a,
11874 ANDI16 = 0x0b,
11875 ADDIU32 = 0x0c,
11876 LHU32 = 0x0d,
11877 SH32 = 0x0e,
11878 LH32 = 0x0f,
11879
11880 POOL32I = 0x10,
11881 POOL16C = 0x11,
11882 LWSP16 = 0x12,
11883 POOL16D = 0x13,
11884 ORI32 = 0x14,
11885 POOL32F = 0x15,
11886 POOL32S = 0x16, /* MIPS64 */
11887 DADDIU32 = 0x17, /* MIPS64 */
11888
11889 POOL32C = 0x18,
11890 LWGP16 = 0x19,
11891 LW16 = 0x1a,
11892 POOL16E = 0x1b,
11893 XORI32 = 0x1c,
11894 JALS32 = 0x1d,
11895 BOVC = 0x1d,
11896 BEQC = 0x1d,
11897 BEQZALC = 0x1d,
11898 ADDIUPC = 0x1e,
11899 PCREL = 0x1e,
11900 BNVC = 0x1f,
11901 BNEC = 0x1f,
11902 BNEZALC = 0x1f,
11903
11904 R6_BEQZC = 0x20,
11905 JIC = 0x20,
11906 POOL16F = 0x21,
11907 SB16 = 0x22,
11908 BEQZ16 = 0x23,
11909 BEQZC16 = 0x23,
11910 SLTI32 = 0x24,
11911 BEQ32 = 0x25,
11912 BC = 0x25,
11913 SWC132 = 0x26,
11914 LWC132 = 0x27,
11915
11916 /* 0x29 is reserved */
11917 RES_29 = 0x29,
11918 R6_BNEZC = 0x28,
11919 JIALC = 0x28,
11920 SH16 = 0x2a,
11921 BNEZ16 = 0x2b,
11922 BNEZC16 = 0x2b,
11923 SLTIU32 = 0x2c,
11924 BNE32 = 0x2d,
11925 BALC = 0x2d,
11926 SDC132 = 0x2e,
11927 LDC132 = 0x2f,
11928
11929 /* 0x31 is reserved */
11930 RES_31 = 0x31,
11931 BLEZALC = 0x30,
11932 BGEZALC = 0x30,
11933 BGEUC = 0x30,
11934 SWSP16 = 0x32,
11935 B16 = 0x33,
11936 BC16 = 0x33,
11937 ANDI32 = 0x34,
11938 J32 = 0x35,
11939 BGTZC = 0x35,
11940 BLTZC = 0x35,
11941 BLTC = 0x35,
11942 SD32 = 0x36, /* MIPS64 */
11943 LD32 = 0x37, /* MIPS64 */
11944
11945 /* 0x39 is reserved */
11946 RES_39 = 0x39,
11947 BGTZALC = 0x38,
11948 BLTZALC = 0x38,
11949 BLTUC = 0x38,
11950 SW16 = 0x3a,
11951 LI16 = 0x3b,
11952 JALX32 = 0x3c,
11953 JAL32 = 0x3d,
11954 BLEZC = 0x3d,
11955 BGEZC = 0x3d,
11956 BGEC = 0x3d,
11957 SW32 = 0x3e,
11958 LW32 = 0x3f
11959 };
11960
11961 /* PCREL Instructions perform PC-Relative address calculation. bits 20..16 */
11962 enum {
11963 ADDIUPC_00 = 0x00,
11964 ADDIUPC_07 = 0x07,
11965 AUIPC = 0x1e,
11966 ALUIPC = 0x1f,
11967 LWPC_08 = 0x08,
11968 LWPC_0F = 0x0F,
11969 };
11970
11971 /* POOL32A encoding of minor opcode field */
11972
11973 enum {
11974 /* These opcodes are distinguished only by bits 9..6; those bits are
11975 * what are recorded below. */
11976 SLL32 = 0x0,
11977 SRL32 = 0x1,
11978 SRA = 0x2,
11979 ROTR = 0x3,
11980 SELEQZ = 0x5,
11981 SELNEZ = 0x6,
11982
11983 SLLV = 0x0,
11984 SRLV = 0x1,
11985 SRAV = 0x2,
11986 ROTRV = 0x3,
11987 ADD = 0x4,
11988 ADDU32 = 0x5,
11989 SUB = 0x6,
11990 SUBU32 = 0x7,
11991 MUL = 0x8,
11992 AND = 0x9,
11993 OR32 = 0xa,
11994 NOR = 0xb,
11995 XOR32 = 0xc,
11996 SLT = 0xd,
11997 SLTU = 0xe,
11998
11999 MOVN = 0x0,
12000 R6_MUL = 0x0,
12001 MOVZ = 0x1,
12002 MUH = 0x1,
12003 MULU = 0x2,
12004 MUHU = 0x3,
12005 LWXS = 0x4,
12006 R6_DIV = 0x4,
12007 MOD = 0x5,
12008 R6_DIVU = 0x6,
12009 MODU = 0x7,
12010
12011 /* The following can be distinguished by their lower 6 bits. */
12012 INS = 0x0c,
12013 LSA = 0x0f,
12014 ALIGN = 0x1f,
12015 EXT = 0x2c,
12016 POOL32AXF = 0x3c
12017 };
12018
12019 /* POOL32AXF encoding of minor opcode field extension */
12020
12021 /*
12022 * 1. MIPS Architecture for Programmers Volume II-B:
12023 * The microMIPS32 Instruction Set (Revision 3.05)
12024 *
12025 * Table 6.5 POOL32Axf Encoding of Minor Opcode Extension Field
12026 *
12027 * 2. MIPS Architecture for Programmers VolumeIV-e:
12028 * The MIPS DSP Application-Specific Extension
12029 * to the microMIPS32 Architecture (Revision 2.34)
12030 *
12031 * Table 5.5 POOL32Axf Encoding of Minor Opcode Extension Field
12032 */
12033
12034 enum {
12035 /* bits 11..6 */
12036 TEQ = 0x00,
12037 TGE = 0x08,
12038 TGEU = 0x10,
12039 TLT = 0x20,
12040 TLTU = 0x28,
12041 TNE = 0x30,
12042
12043 MFC0 = 0x03,
12044 MTC0 = 0x0b,
12045
12046 /* begin of microMIPS32 DSP */
12047
12048 /* bits 13..12 for 0x01 */
12049 MFHI_ACC = 0x0,
12050 MFLO_ACC = 0x1,
12051 MTHI_ACC = 0x2,
12052 MTLO_ACC = 0x3,
12053
12054 /* bits 13..12 for 0x2a */
12055 MADD_ACC = 0x0,
12056 MADDU_ACC = 0x1,
12057 MSUB_ACC = 0x2,
12058 MSUBU_ACC = 0x3,
12059
12060 /* bits 13..12 for 0x32 */
12061 MULT_ACC = 0x0,
12062 MULTU_ACC = 0x1,
12063
12064 /* end of microMIPS32 DSP */
12065
12066 /* bits 15..12 for 0x2c */
12067 BITSWAP = 0x0,
12068 SEB = 0x2,
12069 SEH = 0x3,
12070 CLO = 0x4,
12071 CLZ = 0x5,
12072 RDHWR = 0x6,
12073 WSBH = 0x7,
12074 MULT = 0x8,
12075 MULTU = 0x9,
12076 DIV = 0xa,
12077 DIVU = 0xb,
12078 MADD = 0xc,
12079 MADDU = 0xd,
12080 MSUB = 0xe,
12081 MSUBU = 0xf,
12082
12083 /* bits 15..12 for 0x34 */
12084 MFC2 = 0x4,
12085 MTC2 = 0x5,
12086 MFHC2 = 0x8,
12087 MTHC2 = 0x9,
12088 CFC2 = 0xc,
12089 CTC2 = 0xd,
12090
12091 /* bits 15..12 for 0x3c */
12092 JALR = 0x0,
12093 JR = 0x0, /* alias */
12094 JALRC = 0x0,
12095 JRC = 0x0,
12096 JALR_HB = 0x1,
12097 JALRC_HB = 0x1,
12098 JALRS = 0x4,
12099 JALRS_HB = 0x5,
12100
12101 /* bits 15..12 for 0x05 */
12102 RDPGPR = 0xe,
12103 WRPGPR = 0xf,
12104
12105 /* bits 15..12 for 0x0d */
12106 TLBP = 0x0,
12107 TLBR = 0x1,
12108 TLBWI = 0x2,
12109 TLBWR = 0x3,
12110 TLBINV = 0x4,
12111 TLBINVF = 0x5,
12112 WAIT = 0x9,
12113 IRET = 0xd,
12114 DERET = 0xe,
12115 ERET = 0xf,
12116
12117 /* bits 15..12 for 0x15 */
12118 DMT = 0x0,
12119 DVPE = 0x1,
12120 EMT = 0x2,
12121 EVPE = 0x3,
12122
12123 /* bits 15..12 for 0x1d */
12124 DI = 0x4,
12125 EI = 0x5,
12126
12127 /* bits 15..12 for 0x2d */
12128 SYNC = 0x6,
12129 SYSCALL = 0x8,
12130 SDBBP = 0xd,
12131
12132 /* bits 15..12 for 0x35 */
12133 MFHI32 = 0x0,
12134 MFLO32 = 0x1,
12135 MTHI32 = 0x2,
12136 MTLO32 = 0x3,
12137 };
12138
12139 /* POOL32B encoding of minor opcode field (bits 15..12) */
12140
12141 enum {
12142 LWC2 = 0x0,
12143 LWP = 0x1,
12144 LDP = 0x4,
12145 LWM32 = 0x5,
12146 CACHE = 0x6,
12147 LDM = 0x7,
12148 SWC2 = 0x8,
12149 SWP = 0x9,
12150 SDP = 0xc,
12151 SWM32 = 0xd,
12152 SDM = 0xf
12153 };
12154
12155 /* POOL32C encoding of minor opcode field (bits 15..12) */
12156
12157 enum {
12158 LWL = 0x0,
12159 SWL = 0x8,
12160 LWR = 0x1,
12161 SWR = 0x9,
12162 PREF = 0x2,
12163 /* 0xa is reserved */
12164 LL = 0x3,
12165 SC = 0xb,
12166 LDL = 0x4,
12167 SDL = 0xc,
12168 LDR = 0x5,
12169 SDR = 0xd,
12170 /* 0x6 is reserved */
12171 LWU = 0xe,
12172 LLD = 0x7,
12173 SCD = 0xf
12174 };
12175
12176 /* POOL32F encoding of minor opcode field (bits 5..0) */
12177
12178 enum {
12179 /* These are the bit 7..6 values */
12180 ADD_FMT = 0x0,
12181
12182 SUB_FMT = 0x1,
12183
12184 MUL_FMT = 0x2,
12185
12186 DIV_FMT = 0x3,
12187
12188 /* These are the bit 8..6 values */
12189 MOVN_FMT = 0x0,
12190 RSQRT2_FMT = 0x0,
12191 MOVF_FMT = 0x0,
12192 RINT_FMT = 0x0,
12193 SELNEZ_FMT = 0x0,
12194
12195 MOVZ_FMT = 0x1,
12196 LWXC1 = 0x1,
12197 MOVT_FMT = 0x1,
12198 CLASS_FMT = 0x1,
12199 SELEQZ_FMT = 0x1,
12200
12201 PLL_PS = 0x2,
12202 SWXC1 = 0x2,
12203 SEL_FMT = 0x2,
12204
12205 PLU_PS = 0x3,
12206 LDXC1 = 0x3,
12207
12208 MOVN_FMT_04 = 0x4,
12209 PUL_PS = 0x4,
12210 SDXC1 = 0x4,
12211 RECIP2_FMT = 0x4,
12212
12213 MOVZ_FMT_05 = 0x05,
12214 PUU_PS = 0x5,
12215 LUXC1 = 0x5,
12216
12217 CVT_PS_S = 0x6,
12218 SUXC1 = 0x6,
12219 ADDR_PS = 0x6,
12220 PREFX = 0x6,
12221 MADDF_FMT = 0x6,
12222
12223 MULR_PS = 0x7,
12224 MSUBF_FMT = 0x7,
12225
12226 MADD_S = 0x01,
12227 MADD_D = 0x09,
12228 MADD_PS = 0x11,
12229 ALNV_PS = 0x19,
12230 MSUB_S = 0x21,
12231 MSUB_D = 0x29,
12232 MSUB_PS = 0x31,
12233
12234 NMADD_S = 0x02,
12235 NMADD_D = 0x0a,
12236 NMADD_PS = 0x12,
12237 NMSUB_S = 0x22,
12238 NMSUB_D = 0x2a,
12239 NMSUB_PS = 0x32,
12240
12241 MIN_FMT = 0x3,
12242 MAX_FMT = 0xb,
12243 MINA_FMT = 0x23,
12244 MAXA_FMT = 0x2b,
12245 POOL32FXF = 0x3b,
12246
12247 CABS_COND_FMT = 0x1c, /* MIPS3D */
12248 C_COND_FMT = 0x3c,
12249
12250 CMP_CONDN_S = 0x5,
12251 CMP_CONDN_D = 0x15
12252 };
12253
12254 /* POOL32Fxf encoding of minor opcode extension field */
12255
12256 enum {
12257 CVT_L = 0x04,
12258 RSQRT_FMT = 0x08,
12259 FLOOR_L = 0x0c,
12260 CVT_PW_PS = 0x1c,
12261 CVT_W = 0x24,
12262 SQRT_FMT = 0x28,
12263 FLOOR_W = 0x2c,
12264 CVT_PS_PW = 0x3c,
12265 CFC1 = 0x40,
12266 RECIP_FMT = 0x48,
12267 CEIL_L = 0x4c,
12268 CTC1 = 0x60,
12269 CEIL_W = 0x6c,
12270 MFC1 = 0x80,
12271 CVT_S_PL = 0x84,
12272 TRUNC_L = 0x8c,
12273 MTC1 = 0xa0,
12274 CVT_S_PU = 0xa4,
12275 TRUNC_W = 0xac,
12276 MFHC1 = 0xc0,
12277 ROUND_L = 0xcc,
12278 MTHC1 = 0xe0,
12279 ROUND_W = 0xec,
12280
12281 MOV_FMT = 0x01,
12282 MOVF = 0x05,
12283 ABS_FMT = 0x0d,
12284 RSQRT1_FMT = 0x1d,
12285 MOVT = 0x25,
12286 NEG_FMT = 0x2d,
12287 CVT_D = 0x4d,
12288 RECIP1_FMT = 0x5d,
12289 CVT_S = 0x6d
12290 };
12291
12292 /* POOL32I encoding of minor opcode field (bits 25..21) */
12293
12294 enum {
12295 BLTZ = 0x00,
12296 BLTZAL = 0x01,
12297 BGEZ = 0x02,
12298 BGEZAL = 0x03,
12299 BLEZ = 0x04,
12300 BNEZC = 0x05,
12301 BGTZ = 0x06,
12302 BEQZC = 0x07,
12303 TLTI = 0x08,
12304 BC1EQZC = 0x08,
12305 TGEI = 0x09,
12306 BC1NEZC = 0x09,
12307 TLTIU = 0x0a,
12308 BC2EQZC = 0x0a,
12309 TGEIU = 0x0b,
12310 BC2NEZC = 0x0a,
12311 TNEI = 0x0c,
12312 R6_SYNCI = 0x0c,
12313 LUI = 0x0d,
12314 TEQI = 0x0e,
12315 SYNCI = 0x10,
12316 BLTZALS = 0x11,
12317 BGEZALS = 0x13,
12318 BC2F = 0x14,
12319 BC2T = 0x15,
12320 BPOSGE64 = 0x1a,
12321 BPOSGE32 = 0x1b,
12322 /* These overlap and are distinguished by bit16 of the instruction */
12323 BC1F = 0x1c,
12324 BC1T = 0x1d,
12325 BC1ANY2F = 0x1c,
12326 BC1ANY2T = 0x1d,
12327 BC1ANY4F = 0x1e,
12328 BC1ANY4T = 0x1f
12329 };
12330
12331 /* POOL16A encoding of minor opcode field */
12332
12333 enum {
12334 ADDU16 = 0x0,
12335 SUBU16 = 0x1
12336 };
12337
12338 /* POOL16B encoding of minor opcode field */
12339
12340 enum {
12341 SLL16 = 0x0,
12342 SRL16 = 0x1
12343 };
12344
12345 /* POOL16C encoding of minor opcode field */
12346
12347 enum {
12348 NOT16 = 0x00,
12349 XOR16 = 0x04,
12350 AND16 = 0x08,
12351 OR16 = 0x0c,
12352 LWM16 = 0x10,
12353 SWM16 = 0x14,
12354 JR16 = 0x18,
12355 JRC16 = 0x1a,
12356 JALR16 = 0x1c,
12357 JALR16S = 0x1e,
12358 MFHI16 = 0x20,
12359 MFLO16 = 0x24,
12360 BREAK16 = 0x28,
12361 SDBBP16 = 0x2c,
12362 JRADDIUSP = 0x30
12363 };
12364
12365 /* R6 POOL16C encoding of minor opcode field (bits 0..5) */
12366
12367 enum {
12368 R6_NOT16 = 0x00,
12369 R6_AND16 = 0x01,
12370 R6_LWM16 = 0x02,
12371 R6_JRC16 = 0x03,
12372 MOVEP = 0x04,
12373 MOVEP_07 = 0x07,
12374 R6_XOR16 = 0x08,
12375 R6_OR16 = 0x09,
12376 R6_SWM16 = 0x0a,
12377 JALRC16 = 0x0b,
12378 MOVEP_0C = 0x0c,
12379 MOVEP_0F = 0x0f,
12380 JRCADDIUSP = 0x13,
12381 R6_BREAK16 = 0x1b,
12382 R6_SDBBP16 = 0x3b
12383 };
12384
12385 /* POOL16D encoding of minor opcode field */
12386
12387 enum {
12388 ADDIUS5 = 0x0,
12389 ADDIUSP = 0x1
12390 };
12391
12392 /* POOL16E encoding of minor opcode field */
12393
12394 enum {
12395 ADDIUR2 = 0x0,
12396 ADDIUR1SP = 0x1
12397 };
12398
12399 static int mmreg (int r)
12400 {
12401 static const int map[] = { 16, 17, 2, 3, 4, 5, 6, 7 };
12402
12403 return map[r];
12404 }
12405
12406 /* Used for 16-bit store instructions. */
12407 static int mmreg2 (int r)
12408 {
12409 static const int map[] = { 0, 17, 2, 3, 4, 5, 6, 7 };
12410
12411 return map[r];
12412 }
12413
12414 #define uMIPS_RD(op) ((op >> 7) & 0x7)
12415 #define uMIPS_RS(op) ((op >> 4) & 0x7)
12416 #define uMIPS_RS2(op) uMIPS_RS(op)
12417 #define uMIPS_RS1(op) ((op >> 1) & 0x7)
12418 #define uMIPS_RD5(op) ((op >> 5) & 0x1f)
12419 #define uMIPS_RS5(op) (op & 0x1f)
12420
12421 /* Signed immediate */
12422 #define SIMM(op, start, width) \
12423 ((int32_t)(((op >> start) & ((~0U) >> (32-width))) \
12424 << (32-width)) \
12425 >> (32-width))
12426 /* Zero-extended immediate */
12427 #define ZIMM(op, start, width) ((op >> start) & ((~0U) >> (32-width)))
12428
12429 static void gen_addiur1sp(DisasContext *ctx)
12430 {
12431 int rd = mmreg(uMIPS_RD(ctx->opcode));
12432
12433 gen_arith_imm(ctx, OPC_ADDIU, rd, 29, ((ctx->opcode >> 1) & 0x3f) << 2);
12434 }
12435
12436 static void gen_addiur2(DisasContext *ctx)
12437 {
12438 static const int decoded_imm[] = { 1, 4, 8, 12, 16, 20, 24, -1 };
12439 int rd = mmreg(uMIPS_RD(ctx->opcode));
12440 int rs = mmreg(uMIPS_RS(ctx->opcode));
12441
12442 gen_arith_imm(ctx, OPC_ADDIU, rd, rs, decoded_imm[ZIMM(ctx->opcode, 1, 3)]);
12443 }
12444
12445 static void gen_addiusp(DisasContext *ctx)
12446 {
12447 int encoded = ZIMM(ctx->opcode, 1, 9);
12448 int decoded;
12449
12450 if (encoded <= 1) {
12451 decoded = 256 + encoded;
12452 } else if (encoded <= 255) {
12453 decoded = encoded;
12454 } else if (encoded <= 509) {
12455 decoded = encoded - 512;
12456 } else {
12457 decoded = encoded - 768;
12458 }
12459
12460 gen_arith_imm(ctx, OPC_ADDIU, 29, 29, decoded << 2);
12461 }
12462
12463 static void gen_addius5(DisasContext *ctx)
12464 {
12465 int imm = SIMM(ctx->opcode, 1, 4);
12466 int rd = (ctx->opcode >> 5) & 0x1f;
12467
12468 gen_arith_imm(ctx, OPC_ADDIU, rd, rd, imm);
12469 }
12470
12471 static void gen_andi16(DisasContext *ctx)
12472 {
12473 static const int decoded_imm[] = { 128, 1, 2, 3, 4, 7, 8, 15, 16,
12474 31, 32, 63, 64, 255, 32768, 65535 };
12475 int rd = mmreg(uMIPS_RD(ctx->opcode));
12476 int rs = mmreg(uMIPS_RS(ctx->opcode));
12477 int encoded = ZIMM(ctx->opcode, 0, 4);
12478
12479 gen_logic_imm(ctx, OPC_ANDI, rd, rs, decoded_imm[encoded]);
12480 }
12481
12482 static void gen_ldst_multiple (DisasContext *ctx, uint32_t opc, int reglist,
12483 int base, int16_t offset)
12484 {
12485 TCGv t0, t1;
12486 TCGv_i32 t2;
12487
12488 if (ctx->hflags & MIPS_HFLAG_BMASK) {
12489 generate_exception_end(ctx, EXCP_RI);
12490 return;
12491 }
12492
12493 t0 = tcg_temp_new();
12494
12495 gen_base_offset_addr(ctx, t0, base, offset);
12496
12497 t1 = tcg_const_tl(reglist);
12498 t2 = tcg_const_i32(ctx->mem_idx);
12499
12500 save_cpu_state(ctx, 1);
12501 switch (opc) {
12502 case LWM32:
12503 gen_helper_lwm(cpu_env, t0, t1, t2);
12504 break;
12505 case SWM32:
12506 gen_helper_swm(cpu_env, t0, t1, t2);
12507 break;
12508 #ifdef TARGET_MIPS64
12509 case LDM:
12510 gen_helper_ldm(cpu_env, t0, t1, t2);
12511 break;
12512 case SDM:
12513 gen_helper_sdm(cpu_env, t0, t1, t2);
12514 break;
12515 #endif
12516 }
12517 tcg_temp_free(t0);
12518 tcg_temp_free(t1);
12519 tcg_temp_free_i32(t2);
12520 }
12521
12522
12523 static void gen_pool16c_insn(DisasContext *ctx)
12524 {
12525 int rd = mmreg((ctx->opcode >> 3) & 0x7);
12526 int rs = mmreg(ctx->opcode & 0x7);
12527
12528 switch (((ctx->opcode) >> 4) & 0x3f) {
12529 case NOT16 + 0:
12530 case NOT16 + 1:
12531 case NOT16 + 2:
12532 case NOT16 + 3:
12533 gen_logic(ctx, OPC_NOR, rd, rs, 0);
12534 break;
12535 case XOR16 + 0:
12536 case XOR16 + 1:
12537 case XOR16 + 2:
12538 case XOR16 + 3:
12539 gen_logic(ctx, OPC_XOR, rd, rd, rs);
12540 break;
12541 case AND16 + 0:
12542 case AND16 + 1:
12543 case AND16 + 2:
12544 case AND16 + 3:
12545 gen_logic(ctx, OPC_AND, rd, rd, rs);
12546 break;
12547 case OR16 + 0:
12548 case OR16 + 1:
12549 case OR16 + 2:
12550 case OR16 + 3:
12551 gen_logic(ctx, OPC_OR, rd, rd, rs);
12552 break;
12553 case LWM16 + 0:
12554 case LWM16 + 1:
12555 case LWM16 + 2:
12556 case LWM16 + 3:
12557 {
12558 static const int lwm_convert[] = { 0x11, 0x12, 0x13, 0x14 };
12559 int offset = ZIMM(ctx->opcode, 0, 4);
12560
12561 gen_ldst_multiple(ctx, LWM32, lwm_convert[(ctx->opcode >> 4) & 0x3],
12562 29, offset << 2);
12563 }
12564 break;
12565 case SWM16 + 0:
12566 case SWM16 + 1:
12567 case SWM16 + 2:
12568 case SWM16 + 3:
12569 {
12570 static const int swm_convert[] = { 0x11, 0x12, 0x13, 0x14 };
12571 int offset = ZIMM(ctx->opcode, 0, 4);
12572
12573 gen_ldst_multiple(ctx, SWM32, swm_convert[(ctx->opcode >> 4) & 0x3],
12574 29, offset << 2);
12575 }
12576 break;
12577 case JR16 + 0:
12578 case JR16 + 1:
12579 {
12580 int reg = ctx->opcode & 0x1f;
12581
12582 gen_compute_branch(ctx, OPC_JR, 2, reg, 0, 0, 4);
12583 }
12584 break;
12585 case JRC16 + 0:
12586 case JRC16 + 1:
12587 {
12588 int reg = ctx->opcode & 0x1f;
12589 gen_compute_branch(ctx, OPC_JR, 2, reg, 0, 0, 0);
12590 /* Let normal delay slot handling in our caller take us
12591 to the branch target. */
12592 }
12593 break;
12594 case JALR16 + 0:
12595 case JALR16 + 1:
12596 gen_compute_branch(ctx, OPC_JALR, 2, ctx->opcode & 0x1f, 31, 0, 4);
12597 ctx->hflags |= MIPS_HFLAG_BDS_STRICT;
12598 break;
12599 case JALR16S + 0:
12600 case JALR16S + 1:
12601 gen_compute_branch(ctx, OPC_JALR, 2, ctx->opcode & 0x1f, 31, 0, 2);
12602 ctx->hflags |= MIPS_HFLAG_BDS_STRICT;
12603 break;
12604 case MFHI16 + 0:
12605 case MFHI16 + 1:
12606 gen_HILO(ctx, OPC_MFHI, 0, uMIPS_RS5(ctx->opcode));
12607 break;
12608 case MFLO16 + 0:
12609 case MFLO16 + 1:
12610 gen_HILO(ctx, OPC_MFLO, 0, uMIPS_RS5(ctx->opcode));
12611 break;
12612 case BREAK16:
12613 generate_exception_end(ctx, EXCP_BREAK);
12614 break;
12615 case SDBBP16:
12616 if (is_uhi(extract32(ctx->opcode, 0, 4))) {
12617 gen_helper_do_semihosting(cpu_env);
12618 } else {
12619 /* XXX: not clear which exception should be raised
12620 * when in debug mode...
12621 */
12622 check_insn(ctx, ISA_MIPS32);
12623 generate_exception_end(ctx, EXCP_DBp);
12624 }
12625 break;
12626 case JRADDIUSP + 0:
12627 case JRADDIUSP + 1:
12628 {
12629 int imm = ZIMM(ctx->opcode, 0, 5);
12630 gen_compute_branch(ctx, OPC_JR, 2, 31, 0, 0, 0);
12631 gen_arith_imm(ctx, OPC_ADDIU, 29, 29, imm << 2);
12632 /* Let normal delay slot handling in our caller take us
12633 to the branch target. */
12634 }
12635 break;
12636 default:
12637 generate_exception_end(ctx, EXCP_RI);
12638 break;
12639 }
12640 }
12641
12642 static inline void gen_movep(DisasContext *ctx, int enc_dest, int enc_rt,
12643 int enc_rs)
12644 {
12645 int rd, rs, re, rt;
12646 static const int rd_enc[] = { 5, 5, 6, 4, 4, 4, 4, 4 };
12647 static const int re_enc[] = { 6, 7, 7, 21, 22, 5, 6, 7 };
12648 static const int rs_rt_enc[] = { 0, 17, 2, 3, 16, 18, 19, 20 };
12649 rd = rd_enc[enc_dest];
12650 re = re_enc[enc_dest];
12651 rs = rs_rt_enc[enc_rs];
12652 rt = rs_rt_enc[enc_rt];
12653 if (rs) {
12654 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
12655 } else {
12656 tcg_gen_movi_tl(cpu_gpr[rd], 0);
12657 }
12658 if (rt) {
12659 tcg_gen_mov_tl(cpu_gpr[re], cpu_gpr[rt]);
12660 } else {
12661 tcg_gen_movi_tl(cpu_gpr[re], 0);
12662 }
12663 }
12664
12665 static void gen_pool16c_r6_insn(DisasContext *ctx)
12666 {
12667 int rt = mmreg((ctx->opcode >> 7) & 0x7);
12668 int rs = mmreg((ctx->opcode >> 4) & 0x7);
12669
12670 switch (ctx->opcode & 0xf) {
12671 case R6_NOT16:
12672 gen_logic(ctx, OPC_NOR, rt, rs, 0);
12673 break;
12674 case R6_AND16:
12675 gen_logic(ctx, OPC_AND, rt, rt, rs);
12676 break;
12677 case R6_LWM16:
12678 {
12679 int lwm_converted = 0x11 + extract32(ctx->opcode, 8, 2);
12680 int offset = extract32(ctx->opcode, 4, 4);
12681 gen_ldst_multiple(ctx, LWM32, lwm_converted, 29, offset << 2);
12682 }
12683 break;
12684 case R6_JRC16: /* JRCADDIUSP */
12685 if ((ctx->opcode >> 4) & 1) {
12686 /* JRCADDIUSP */
12687 int imm = extract32(ctx->opcode, 5, 5);
12688 gen_compute_branch(ctx, OPC_JR, 2, 31, 0, 0, 0);
12689 gen_arith_imm(ctx, OPC_ADDIU, 29, 29, imm << 2);
12690 } else {
12691 /* JRC16 */
12692 int rs = extract32(ctx->opcode, 5, 5);
12693 gen_compute_branch(ctx, OPC_JR, 2, rs, 0, 0, 0);
12694 }
12695 break;
12696 case MOVEP ... MOVEP_07:
12697 case MOVEP_0C ... MOVEP_0F:
12698 {
12699 int enc_dest = uMIPS_RD(ctx->opcode);
12700 int enc_rt = uMIPS_RS2(ctx->opcode);
12701 int enc_rs = (ctx->opcode & 3) | ((ctx->opcode >> 1) & 4);
12702 gen_movep(ctx, enc_dest, enc_rt, enc_rs);
12703 }
12704 break;
12705 case R6_XOR16:
12706 gen_logic(ctx, OPC_XOR, rt, rt, rs);
12707 break;
12708 case R6_OR16:
12709 gen_logic(ctx, OPC_OR, rt, rt, rs);
12710 break;
12711 case R6_SWM16:
12712 {
12713 int swm_converted = 0x11 + extract32(ctx->opcode, 8, 2);
12714 int offset = extract32(ctx->opcode, 4, 4);
12715 gen_ldst_multiple(ctx, SWM32, swm_converted, 29, offset << 2);
12716 }
12717 break;
12718 case JALRC16: /* BREAK16, SDBBP16 */
12719 switch (ctx->opcode & 0x3f) {
12720 case JALRC16:
12721 case JALRC16 + 0x20:
12722 /* JALRC16 */
12723 gen_compute_branch(ctx, OPC_JALR, 2, (ctx->opcode >> 5) & 0x1f,
12724 31, 0, 0);
12725 break;
12726 case R6_BREAK16:
12727 /* BREAK16 */
12728 generate_exception(ctx, EXCP_BREAK);
12729 break;
12730 case R6_SDBBP16:
12731 /* SDBBP16 */
12732 if (is_uhi(extract32(ctx->opcode, 6, 4))) {
12733 gen_helper_do_semihosting(cpu_env);
12734 } else {
12735 if (ctx->hflags & MIPS_HFLAG_SBRI) {
12736 generate_exception(ctx, EXCP_RI);
12737 } else {
12738 generate_exception(ctx, EXCP_DBp);
12739 }
12740 }
12741 break;
12742 }
12743 break;
12744 default:
12745 generate_exception(ctx, EXCP_RI);
12746 break;
12747 }
12748 }
12749
12750 static void gen_ldxs (DisasContext *ctx, int base, int index, int rd)
12751 {
12752 TCGv t0 = tcg_temp_new();
12753 TCGv t1 = tcg_temp_new();
12754
12755 gen_load_gpr(t0, base);
12756
12757 if (index != 0) {
12758 gen_load_gpr(t1, index);
12759 tcg_gen_shli_tl(t1, t1, 2);
12760 gen_op_addr_add(ctx, t0, t1, t0);
12761 }
12762
12763 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TESL);
12764 gen_store_gpr(t1, rd);
12765
12766 tcg_temp_free(t0);
12767 tcg_temp_free(t1);
12768 }
12769
12770 static void gen_ldst_pair (DisasContext *ctx, uint32_t opc, int rd,
12771 int base, int16_t offset)
12772 {
12773 TCGv t0, t1;
12774
12775 if (ctx->hflags & MIPS_HFLAG_BMASK || rd == 31) {
12776 generate_exception_end(ctx, EXCP_RI);
12777 return;
12778 }
12779
12780 t0 = tcg_temp_new();
12781 t1 = tcg_temp_new();
12782
12783 gen_base_offset_addr(ctx, t0, base, offset);
12784
12785 switch (opc) {
12786 case LWP:
12787 if (rd == base) {
12788 generate_exception_end(ctx, EXCP_RI);
12789 return;
12790 }
12791 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TESL);
12792 gen_store_gpr(t1, rd);
12793 tcg_gen_movi_tl(t1, 4);
12794 gen_op_addr_add(ctx, t0, t0, t1);
12795 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TESL);
12796 gen_store_gpr(t1, rd+1);
12797 break;
12798 case SWP:
12799 gen_load_gpr(t1, rd);
12800 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUL);
12801 tcg_gen_movi_tl(t1, 4);
12802 gen_op_addr_add(ctx, t0, t0, t1);
12803 gen_load_gpr(t1, rd+1);
12804 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUL);
12805 break;
12806 #ifdef TARGET_MIPS64
12807 case LDP:
12808 if (rd == base) {
12809 generate_exception_end(ctx, EXCP_RI);
12810 return;
12811 }
12812 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TEQ);
12813 gen_store_gpr(t1, rd);
12814 tcg_gen_movi_tl(t1, 8);
12815 gen_op_addr_add(ctx, t0, t0, t1);
12816 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TEQ);
12817 gen_store_gpr(t1, rd+1);
12818 break;
12819 case SDP:
12820 gen_load_gpr(t1, rd);
12821 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEQ);
12822 tcg_gen_movi_tl(t1, 8);
12823 gen_op_addr_add(ctx, t0, t0, t1);
12824 gen_load_gpr(t1, rd+1);
12825 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEQ);
12826 break;
12827 #endif
12828 }
12829 tcg_temp_free(t0);
12830 tcg_temp_free(t1);
12831 }
12832
12833 static void gen_pool32axf (CPUMIPSState *env, DisasContext *ctx, int rt, int rs)
12834 {
12835 int extension = (ctx->opcode >> 6) & 0x3f;
12836 int minor = (ctx->opcode >> 12) & 0xf;
12837 uint32_t mips32_op;
12838
12839 switch (extension) {
12840 case TEQ:
12841 mips32_op = OPC_TEQ;
12842 goto do_trap;
12843 case TGE:
12844 mips32_op = OPC_TGE;
12845 goto do_trap;
12846 case TGEU:
12847 mips32_op = OPC_TGEU;
12848 goto do_trap;
12849 case TLT:
12850 mips32_op = OPC_TLT;
12851 goto do_trap;
12852 case TLTU:
12853 mips32_op = OPC_TLTU;
12854 goto do_trap;
12855 case TNE:
12856 mips32_op = OPC_TNE;
12857 do_trap:
12858 gen_trap(ctx, mips32_op, rs, rt, -1);
12859 break;
12860 #ifndef CONFIG_USER_ONLY
12861 case MFC0:
12862 case MFC0 + 32:
12863 check_cp0_enabled(ctx);
12864 if (rt == 0) {
12865 /* Treat as NOP. */
12866 break;
12867 }
12868 gen_mfc0(ctx, cpu_gpr[rt], rs, (ctx->opcode >> 11) & 0x7);
12869 break;
12870 case MTC0:
12871 case MTC0 + 32:
12872 check_cp0_enabled(ctx);
12873 {
12874 TCGv t0 = tcg_temp_new();
12875
12876 gen_load_gpr(t0, rt);
12877 gen_mtc0(ctx, t0, rs, (ctx->opcode >> 11) & 0x7);
12878 tcg_temp_free(t0);
12879 }
12880 break;
12881 #endif
12882 case 0x2a:
12883 switch (minor & 3) {
12884 case MADD_ACC:
12885 gen_muldiv(ctx, OPC_MADD, (ctx->opcode >> 14) & 3, rs, rt);
12886 break;
12887 case MADDU_ACC:
12888 gen_muldiv(ctx, OPC_MADDU, (ctx->opcode >> 14) & 3, rs, rt);
12889 break;
12890 case MSUB_ACC:
12891 gen_muldiv(ctx, OPC_MSUB, (ctx->opcode >> 14) & 3, rs, rt);
12892 break;
12893 case MSUBU_ACC:
12894 gen_muldiv(ctx, OPC_MSUBU, (ctx->opcode >> 14) & 3, rs, rt);
12895 break;
12896 default:
12897 goto pool32axf_invalid;
12898 }
12899 break;
12900 case 0x32:
12901 switch (minor & 3) {
12902 case MULT_ACC:
12903 gen_muldiv(ctx, OPC_MULT, (ctx->opcode >> 14) & 3, rs, rt);
12904 break;
12905 case MULTU_ACC:
12906 gen_muldiv(ctx, OPC_MULTU, (ctx->opcode >> 14) & 3, rs, rt);
12907 break;
12908 default:
12909 goto pool32axf_invalid;
12910 }
12911 break;
12912 case 0x2c:
12913 switch (minor) {
12914 case BITSWAP:
12915 check_insn(ctx, ISA_MIPS32R6);
12916 gen_bitswap(ctx, OPC_BITSWAP, rs, rt);
12917 break;
12918 case SEB:
12919 gen_bshfl(ctx, OPC_SEB, rs, rt);
12920 break;
12921 case SEH:
12922 gen_bshfl(ctx, OPC_SEH, rs, rt);
12923 break;
12924 case CLO:
12925 mips32_op = OPC_CLO;
12926 goto do_cl;
12927 case CLZ:
12928 mips32_op = OPC_CLZ;
12929 do_cl:
12930 check_insn(ctx, ISA_MIPS32);
12931 gen_cl(ctx, mips32_op, rt, rs);
12932 break;
12933 case RDHWR:
12934 gen_rdhwr(ctx, rt, rs);
12935 break;
12936 case WSBH:
12937 gen_bshfl(ctx, OPC_WSBH, rs, rt);
12938 break;
12939 case MULT:
12940 check_insn_opc_removed(ctx, ISA_MIPS32R6);
12941 mips32_op = OPC_MULT;
12942 goto do_mul;
12943 case MULTU:
12944 check_insn_opc_removed(ctx, ISA_MIPS32R6);
12945 mips32_op = OPC_MULTU;
12946 goto do_mul;
12947 case DIV:
12948 check_insn_opc_removed(ctx, ISA_MIPS32R6);
12949 mips32_op = OPC_DIV;
12950 goto do_div;
12951 case DIVU:
12952 check_insn_opc_removed(ctx, ISA_MIPS32R6);
12953 mips32_op = OPC_DIVU;
12954 goto do_div;
12955 do_div:
12956 check_insn(ctx, ISA_MIPS32);
12957 gen_muldiv(ctx, mips32_op, 0, rs, rt);
12958 break;
12959 case MADD:
12960 check_insn_opc_removed(ctx, ISA_MIPS32R6);
12961 mips32_op = OPC_MADD;
12962 goto do_mul;
12963 case MADDU:
12964 check_insn_opc_removed(ctx, ISA_MIPS32R6);
12965 mips32_op = OPC_MADDU;
12966 goto do_mul;
12967 case MSUB:
12968 check_insn_opc_removed(ctx, ISA_MIPS32R6);
12969 mips32_op = OPC_MSUB;
12970 goto do_mul;
12971 case MSUBU:
12972 check_insn_opc_removed(ctx, ISA_MIPS32R6);
12973 mips32_op = OPC_MSUBU;
12974 do_mul:
12975 check_insn(ctx, ISA_MIPS32);
12976 gen_muldiv(ctx, mips32_op, 0, rs, rt);
12977 break;
12978 default:
12979 goto pool32axf_invalid;
12980 }
12981 break;
12982 case 0x34:
12983 switch (minor) {
12984 case MFC2:
12985 case MTC2:
12986 case MFHC2:
12987 case MTHC2:
12988 case CFC2:
12989 case CTC2:
12990 generate_exception_err(ctx, EXCP_CpU, 2);
12991 break;
12992 default:
12993 goto pool32axf_invalid;
12994 }
12995 break;
12996 case 0x3c:
12997 switch (minor) {
12998 case JALR: /* JALRC */
12999 case JALR_HB: /* JALRC_HB */
13000 if (ctx->insn_flags & ISA_MIPS32R6) {
13001 /* JALRC, JALRC_HB */
13002 gen_compute_branch(ctx, OPC_JALR, 4, rs, rt, 0, 0);
13003 } else {
13004 /* JALR, JALR_HB */
13005 gen_compute_branch(ctx, OPC_JALR, 4, rs, rt, 0, 4);
13006 ctx->hflags |= MIPS_HFLAG_BDS_STRICT;
13007 }
13008 break;
13009 case JALRS:
13010 case JALRS_HB:
13011 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13012 gen_compute_branch(ctx, OPC_JALR, 4, rs, rt, 0, 2);
13013 ctx->hflags |= MIPS_HFLAG_BDS_STRICT;
13014 break;
13015 default:
13016 goto pool32axf_invalid;
13017 }
13018 break;
13019 case 0x05:
13020 switch (minor) {
13021 case RDPGPR:
13022 check_cp0_enabled(ctx);
13023 check_insn(ctx, ISA_MIPS32R2);
13024 gen_load_srsgpr(rs, rt);
13025 break;
13026 case WRPGPR:
13027 check_cp0_enabled(ctx);
13028 check_insn(ctx, ISA_MIPS32R2);
13029 gen_store_srsgpr(rs, rt);
13030 break;
13031 default:
13032 goto pool32axf_invalid;
13033 }
13034 break;
13035 #ifndef CONFIG_USER_ONLY
13036 case 0x0d:
13037 switch (minor) {
13038 case TLBP:
13039 mips32_op = OPC_TLBP;
13040 goto do_cp0;
13041 case TLBR:
13042 mips32_op = OPC_TLBR;
13043 goto do_cp0;
13044 case TLBWI:
13045 mips32_op = OPC_TLBWI;
13046 goto do_cp0;
13047 case TLBWR:
13048 mips32_op = OPC_TLBWR;
13049 goto do_cp0;
13050 case TLBINV:
13051 mips32_op = OPC_TLBINV;
13052 goto do_cp0;
13053 case TLBINVF:
13054 mips32_op = OPC_TLBINVF;
13055 goto do_cp0;
13056 case WAIT:
13057 mips32_op = OPC_WAIT;
13058 goto do_cp0;
13059 case DERET:
13060 mips32_op = OPC_DERET;
13061 goto do_cp0;
13062 case ERET:
13063 mips32_op = OPC_ERET;
13064 do_cp0:
13065 gen_cp0(env, ctx, mips32_op, rt, rs);
13066 break;
13067 default:
13068 goto pool32axf_invalid;
13069 }
13070 break;
13071 case 0x1d:
13072 switch (minor) {
13073 case DI:
13074 check_cp0_enabled(ctx);
13075 {
13076 TCGv t0 = tcg_temp_new();
13077
13078 save_cpu_state(ctx, 1);
13079 gen_helper_di(t0, cpu_env);
13080 gen_store_gpr(t0, rs);
13081 /* Stop translation as we may have switched the execution mode */
13082 ctx->bstate = BS_STOP;
13083 tcg_temp_free(t0);
13084 }
13085 break;
13086 case EI:
13087 check_cp0_enabled(ctx);
13088 {
13089 TCGv t0 = tcg_temp_new();
13090
13091 save_cpu_state(ctx, 1);
13092 gen_helper_ei(t0, cpu_env);
13093 gen_store_gpr(t0, rs);
13094 /* Stop translation as we may have switched the execution mode */
13095 ctx->bstate = BS_STOP;
13096 tcg_temp_free(t0);
13097 }
13098 break;
13099 default:
13100 goto pool32axf_invalid;
13101 }
13102 break;
13103 #endif
13104 case 0x2d:
13105 switch (minor) {
13106 case SYNC:
13107 /* NOP */
13108 break;
13109 case SYSCALL:
13110 generate_exception_end(ctx, EXCP_SYSCALL);
13111 break;
13112 case SDBBP:
13113 if (is_uhi(extract32(ctx->opcode, 16, 10))) {
13114 gen_helper_do_semihosting(cpu_env);
13115 } else {
13116 check_insn(ctx, ISA_MIPS32);
13117 if (ctx->hflags & MIPS_HFLAG_SBRI) {
13118 generate_exception_end(ctx, EXCP_RI);
13119 } else {
13120 generate_exception_end(ctx, EXCP_DBp);
13121 }
13122 }
13123 break;
13124 default:
13125 goto pool32axf_invalid;
13126 }
13127 break;
13128 case 0x01:
13129 switch (minor & 3) {
13130 case MFHI_ACC:
13131 gen_HILO(ctx, OPC_MFHI, minor >> 2, rs);
13132 break;
13133 case MFLO_ACC:
13134 gen_HILO(ctx, OPC_MFLO, minor >> 2, rs);
13135 break;
13136 case MTHI_ACC:
13137 gen_HILO(ctx, OPC_MTHI, minor >> 2, rs);
13138 break;
13139 case MTLO_ACC:
13140 gen_HILO(ctx, OPC_MTLO, minor >> 2, rs);
13141 break;
13142 default:
13143 goto pool32axf_invalid;
13144 }
13145 break;
13146 case 0x35:
13147 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13148 switch (minor) {
13149 case MFHI32:
13150 gen_HILO(ctx, OPC_MFHI, 0, rs);
13151 break;
13152 case MFLO32:
13153 gen_HILO(ctx, OPC_MFLO, 0, rs);
13154 break;
13155 case MTHI32:
13156 gen_HILO(ctx, OPC_MTHI, 0, rs);
13157 break;
13158 case MTLO32:
13159 gen_HILO(ctx, OPC_MTLO, 0, rs);
13160 break;
13161 default:
13162 goto pool32axf_invalid;
13163 }
13164 break;
13165 default:
13166 pool32axf_invalid:
13167 MIPS_INVAL("pool32axf");
13168 generate_exception_end(ctx, EXCP_RI);
13169 break;
13170 }
13171 }
13172
13173 /* Values for microMIPS fmt field. Variable-width, depending on which
13174 formats the instruction supports. */
13175
13176 enum {
13177 FMT_SD_S = 0,
13178 FMT_SD_D = 1,
13179
13180 FMT_SDPS_S = 0,
13181 FMT_SDPS_D = 1,
13182 FMT_SDPS_PS = 2,
13183
13184 FMT_SWL_S = 0,
13185 FMT_SWL_W = 1,
13186 FMT_SWL_L = 2,
13187
13188 FMT_DWL_D = 0,
13189 FMT_DWL_W = 1,
13190 FMT_DWL_L = 2
13191 };
13192
13193 static void gen_pool32fxf(DisasContext *ctx, int rt, int rs)
13194 {
13195 int extension = (ctx->opcode >> 6) & 0x3ff;
13196 uint32_t mips32_op;
13197
13198 #define FLOAT_1BIT_FMT(opc, fmt) (fmt << 8) | opc
13199 #define FLOAT_2BIT_FMT(opc, fmt) (fmt << 7) | opc
13200 #define COND_FLOAT_MOV(opc, cond) (cond << 7) | opc
13201
13202 switch (extension) {
13203 case FLOAT_1BIT_FMT(CFC1, 0):
13204 mips32_op = OPC_CFC1;
13205 goto do_cp1;
13206 case FLOAT_1BIT_FMT(CTC1, 0):
13207 mips32_op = OPC_CTC1;
13208 goto do_cp1;
13209 case FLOAT_1BIT_FMT(MFC1, 0):
13210 mips32_op = OPC_MFC1;
13211 goto do_cp1;
13212 case FLOAT_1BIT_FMT(MTC1, 0):
13213 mips32_op = OPC_MTC1;
13214 goto do_cp1;
13215 case FLOAT_1BIT_FMT(MFHC1, 0):
13216 mips32_op = OPC_MFHC1;
13217 goto do_cp1;
13218 case FLOAT_1BIT_FMT(MTHC1, 0):
13219 mips32_op = OPC_MTHC1;
13220 do_cp1:
13221 gen_cp1(ctx, mips32_op, rt, rs);
13222 break;
13223
13224 /* Reciprocal square root */
13225 case FLOAT_1BIT_FMT(RSQRT_FMT, FMT_SD_S):
13226 mips32_op = OPC_RSQRT_S;
13227 goto do_unaryfp;
13228 case FLOAT_1BIT_FMT(RSQRT_FMT, FMT_SD_D):
13229 mips32_op = OPC_RSQRT_D;
13230 goto do_unaryfp;
13231
13232 /* Square root */
13233 case FLOAT_1BIT_FMT(SQRT_FMT, FMT_SD_S):
13234 mips32_op = OPC_SQRT_S;
13235 goto do_unaryfp;
13236 case FLOAT_1BIT_FMT(SQRT_FMT, FMT_SD_D):
13237 mips32_op = OPC_SQRT_D;
13238 goto do_unaryfp;
13239
13240 /* Reciprocal */
13241 case FLOAT_1BIT_FMT(RECIP_FMT, FMT_SD_S):
13242 mips32_op = OPC_RECIP_S;
13243 goto do_unaryfp;
13244 case FLOAT_1BIT_FMT(RECIP_FMT, FMT_SD_D):
13245 mips32_op = OPC_RECIP_D;
13246 goto do_unaryfp;
13247
13248 /* Floor */
13249 case FLOAT_1BIT_FMT(FLOOR_L, FMT_SD_S):
13250 mips32_op = OPC_FLOOR_L_S;
13251 goto do_unaryfp;
13252 case FLOAT_1BIT_FMT(FLOOR_L, FMT_SD_D):
13253 mips32_op = OPC_FLOOR_L_D;
13254 goto do_unaryfp;
13255 case FLOAT_1BIT_FMT(FLOOR_W, FMT_SD_S):
13256 mips32_op = OPC_FLOOR_W_S;
13257 goto do_unaryfp;
13258 case FLOAT_1BIT_FMT(FLOOR_W, FMT_SD_D):
13259 mips32_op = OPC_FLOOR_W_D;
13260 goto do_unaryfp;
13261
13262 /* Ceiling */
13263 case FLOAT_1BIT_FMT(CEIL_L, FMT_SD_S):
13264 mips32_op = OPC_CEIL_L_S;
13265 goto do_unaryfp;
13266 case FLOAT_1BIT_FMT(CEIL_L, FMT_SD_D):
13267 mips32_op = OPC_CEIL_L_D;
13268 goto do_unaryfp;
13269 case FLOAT_1BIT_FMT(CEIL_W, FMT_SD_S):
13270 mips32_op = OPC_CEIL_W_S;
13271 goto do_unaryfp;
13272 case FLOAT_1BIT_FMT(CEIL_W, FMT_SD_D):
13273 mips32_op = OPC_CEIL_W_D;
13274 goto do_unaryfp;
13275
13276 /* Truncation */
13277 case FLOAT_1BIT_FMT(TRUNC_L, FMT_SD_S):
13278 mips32_op = OPC_TRUNC_L_S;
13279 goto do_unaryfp;
13280 case FLOAT_1BIT_FMT(TRUNC_L, FMT_SD_D):
13281 mips32_op = OPC_TRUNC_L_D;
13282 goto do_unaryfp;
13283 case FLOAT_1BIT_FMT(TRUNC_W, FMT_SD_S):
13284 mips32_op = OPC_TRUNC_W_S;
13285 goto do_unaryfp;
13286 case FLOAT_1BIT_FMT(TRUNC_W, FMT_SD_D):
13287 mips32_op = OPC_TRUNC_W_D;
13288 goto do_unaryfp;
13289
13290 /* Round */
13291 case FLOAT_1BIT_FMT(ROUND_L, FMT_SD_S):
13292 mips32_op = OPC_ROUND_L_S;
13293 goto do_unaryfp;
13294 case FLOAT_1BIT_FMT(ROUND_L, FMT_SD_D):
13295 mips32_op = OPC_ROUND_L_D;
13296 goto do_unaryfp;
13297 case FLOAT_1BIT_FMT(ROUND_W, FMT_SD_S):
13298 mips32_op = OPC_ROUND_W_S;
13299 goto do_unaryfp;
13300 case FLOAT_1BIT_FMT(ROUND_W, FMT_SD_D):
13301 mips32_op = OPC_ROUND_W_D;
13302 goto do_unaryfp;
13303
13304 /* Integer to floating-point conversion */
13305 case FLOAT_1BIT_FMT(CVT_L, FMT_SD_S):
13306 mips32_op = OPC_CVT_L_S;
13307 goto do_unaryfp;
13308 case FLOAT_1BIT_FMT(CVT_L, FMT_SD_D):
13309 mips32_op = OPC_CVT_L_D;
13310 goto do_unaryfp;
13311 case FLOAT_1BIT_FMT(CVT_W, FMT_SD_S):
13312 mips32_op = OPC_CVT_W_S;
13313 goto do_unaryfp;
13314 case FLOAT_1BIT_FMT(CVT_W, FMT_SD_D):
13315 mips32_op = OPC_CVT_W_D;
13316 goto do_unaryfp;
13317
13318 /* Paired-foo conversions */
13319 case FLOAT_1BIT_FMT(CVT_S_PL, 0):
13320 mips32_op = OPC_CVT_S_PL;
13321 goto do_unaryfp;
13322 case FLOAT_1BIT_FMT(CVT_S_PU, 0):
13323 mips32_op = OPC_CVT_S_PU;
13324 goto do_unaryfp;
13325 case FLOAT_1BIT_FMT(CVT_PW_PS, 0):
13326 mips32_op = OPC_CVT_PW_PS;
13327 goto do_unaryfp;
13328 case FLOAT_1BIT_FMT(CVT_PS_PW, 0):
13329 mips32_op = OPC_CVT_PS_PW;
13330 goto do_unaryfp;
13331
13332 /* Floating-point moves */
13333 case FLOAT_2BIT_FMT(MOV_FMT, FMT_SDPS_S):
13334 mips32_op = OPC_MOV_S;
13335 goto do_unaryfp;
13336 case FLOAT_2BIT_FMT(MOV_FMT, FMT_SDPS_D):
13337 mips32_op = OPC_MOV_D;
13338 goto do_unaryfp;
13339 case FLOAT_2BIT_FMT(MOV_FMT, FMT_SDPS_PS):
13340 mips32_op = OPC_MOV_PS;
13341 goto do_unaryfp;
13342
13343 /* Absolute value */
13344 case FLOAT_2BIT_FMT(ABS_FMT, FMT_SDPS_S):
13345 mips32_op = OPC_ABS_S;
13346 goto do_unaryfp;
13347 case FLOAT_2BIT_FMT(ABS_FMT, FMT_SDPS_D):
13348 mips32_op = OPC_ABS_D;
13349 goto do_unaryfp;
13350 case FLOAT_2BIT_FMT(ABS_FMT, FMT_SDPS_PS):
13351 mips32_op = OPC_ABS_PS;
13352 goto do_unaryfp;
13353
13354 /* Negation */
13355 case FLOAT_2BIT_FMT(NEG_FMT, FMT_SDPS_S):
13356 mips32_op = OPC_NEG_S;
13357 goto do_unaryfp;
13358 case FLOAT_2BIT_FMT(NEG_FMT, FMT_SDPS_D):
13359 mips32_op = OPC_NEG_D;
13360 goto do_unaryfp;
13361 case FLOAT_2BIT_FMT(NEG_FMT, FMT_SDPS_PS):
13362 mips32_op = OPC_NEG_PS;
13363 goto do_unaryfp;
13364
13365 /* Reciprocal square root step */
13366 case FLOAT_2BIT_FMT(RSQRT1_FMT, FMT_SDPS_S):
13367 mips32_op = OPC_RSQRT1_S;
13368 goto do_unaryfp;
13369 case FLOAT_2BIT_FMT(RSQRT1_FMT, FMT_SDPS_D):
13370 mips32_op = OPC_RSQRT1_D;
13371 goto do_unaryfp;
13372 case FLOAT_2BIT_FMT(RSQRT1_FMT, FMT_SDPS_PS):
13373 mips32_op = OPC_RSQRT1_PS;
13374 goto do_unaryfp;
13375
13376 /* Reciprocal step */
13377 case FLOAT_2BIT_FMT(RECIP1_FMT, FMT_SDPS_S):
13378 mips32_op = OPC_RECIP1_S;
13379 goto do_unaryfp;
13380 case FLOAT_2BIT_FMT(RECIP1_FMT, FMT_SDPS_D):
13381 mips32_op = OPC_RECIP1_S;
13382 goto do_unaryfp;
13383 case FLOAT_2BIT_FMT(RECIP1_FMT, FMT_SDPS_PS):
13384 mips32_op = OPC_RECIP1_PS;
13385 goto do_unaryfp;
13386
13387 /* Conversions from double */
13388 case FLOAT_2BIT_FMT(CVT_D, FMT_SWL_S):
13389 mips32_op = OPC_CVT_D_S;
13390 goto do_unaryfp;
13391 case FLOAT_2BIT_FMT(CVT_D, FMT_SWL_W):
13392 mips32_op = OPC_CVT_D_W;
13393 goto do_unaryfp;
13394 case FLOAT_2BIT_FMT(CVT_D, FMT_SWL_L):
13395 mips32_op = OPC_CVT_D_L;
13396 goto do_unaryfp;
13397
13398 /* Conversions from single */
13399 case FLOAT_2BIT_FMT(CVT_S, FMT_DWL_D):
13400 mips32_op = OPC_CVT_S_D;
13401 goto do_unaryfp;
13402 case FLOAT_2BIT_FMT(CVT_S, FMT_DWL_W):
13403 mips32_op = OPC_CVT_S_W;
13404 goto do_unaryfp;
13405 case FLOAT_2BIT_FMT(CVT_S, FMT_DWL_L):
13406 mips32_op = OPC_CVT_S_L;
13407 do_unaryfp:
13408 gen_farith(ctx, mips32_op, -1, rs, rt, 0);
13409 break;
13410
13411 /* Conditional moves on floating-point codes */
13412 case COND_FLOAT_MOV(MOVT, 0):
13413 case COND_FLOAT_MOV(MOVT, 1):
13414 case COND_FLOAT_MOV(MOVT, 2):
13415 case COND_FLOAT_MOV(MOVT, 3):
13416 case COND_FLOAT_MOV(MOVT, 4):
13417 case COND_FLOAT_MOV(MOVT, 5):
13418 case COND_FLOAT_MOV(MOVT, 6):
13419 case COND_FLOAT_MOV(MOVT, 7):
13420 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13421 gen_movci(ctx, rt, rs, (ctx->opcode >> 13) & 0x7, 1);
13422 break;
13423 case COND_FLOAT_MOV(MOVF, 0):
13424 case COND_FLOAT_MOV(MOVF, 1):
13425 case COND_FLOAT_MOV(MOVF, 2):
13426 case COND_FLOAT_MOV(MOVF, 3):
13427 case COND_FLOAT_MOV(MOVF, 4):
13428 case COND_FLOAT_MOV(MOVF, 5):
13429 case COND_FLOAT_MOV(MOVF, 6):
13430 case COND_FLOAT_MOV(MOVF, 7):
13431 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13432 gen_movci(ctx, rt, rs, (ctx->opcode >> 13) & 0x7, 0);
13433 break;
13434 default:
13435 MIPS_INVAL("pool32fxf");
13436 generate_exception_end(ctx, EXCP_RI);
13437 break;
13438 }
13439 }
13440
13441 static void decode_micromips32_opc(CPUMIPSState *env, DisasContext *ctx)
13442 {
13443 int32_t offset;
13444 uint16_t insn;
13445 int rt, rs, rd, rr;
13446 int16_t imm;
13447 uint32_t op, minor, mips32_op;
13448 uint32_t cond, fmt, cc;
13449
13450 insn = cpu_lduw_code(env, ctx->pc + 2);
13451 ctx->opcode = (ctx->opcode << 16) | insn;
13452
13453 rt = (ctx->opcode >> 21) & 0x1f;
13454 rs = (ctx->opcode >> 16) & 0x1f;
13455 rd = (ctx->opcode >> 11) & 0x1f;
13456 rr = (ctx->opcode >> 6) & 0x1f;
13457 imm = (int16_t) ctx->opcode;
13458
13459 op = (ctx->opcode >> 26) & 0x3f;
13460 switch (op) {
13461 case POOL32A:
13462 minor = ctx->opcode & 0x3f;
13463 switch (minor) {
13464 case 0x00:
13465 minor = (ctx->opcode >> 6) & 0xf;
13466 switch (minor) {
13467 case SLL32:
13468 mips32_op = OPC_SLL;
13469 goto do_shifti;
13470 case SRA:
13471 mips32_op = OPC_SRA;
13472 goto do_shifti;
13473 case SRL32:
13474 mips32_op = OPC_SRL;
13475 goto do_shifti;
13476 case ROTR:
13477 mips32_op = OPC_ROTR;
13478 do_shifti:
13479 gen_shift_imm(ctx, mips32_op, rt, rs, rd);
13480 break;
13481 case SELEQZ:
13482 check_insn(ctx, ISA_MIPS32R6);
13483 gen_cond_move(ctx, OPC_SELEQZ, rd, rs, rt);
13484 break;
13485 case SELNEZ:
13486 check_insn(ctx, ISA_MIPS32R6);
13487 gen_cond_move(ctx, OPC_SELNEZ, rd, rs, rt);
13488 break;
13489 default:
13490 goto pool32a_invalid;
13491 }
13492 break;
13493 case 0x10:
13494 minor = (ctx->opcode >> 6) & 0xf;
13495 switch (minor) {
13496 /* Arithmetic */
13497 case ADD:
13498 mips32_op = OPC_ADD;
13499 goto do_arith;
13500 case ADDU32:
13501 mips32_op = OPC_ADDU;
13502 goto do_arith;
13503 case SUB:
13504 mips32_op = OPC_SUB;
13505 goto do_arith;
13506 case SUBU32:
13507 mips32_op = OPC_SUBU;
13508 goto do_arith;
13509 case MUL:
13510 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13511 mips32_op = OPC_MUL;
13512 do_arith:
13513 gen_arith(ctx, mips32_op, rd, rs, rt);
13514 break;
13515 /* Shifts */
13516 case SLLV:
13517 mips32_op = OPC_SLLV;
13518 goto do_shift;
13519 case SRLV:
13520 mips32_op = OPC_SRLV;
13521 goto do_shift;
13522 case SRAV:
13523 mips32_op = OPC_SRAV;
13524 goto do_shift;
13525 case ROTRV:
13526 mips32_op = OPC_ROTRV;
13527 do_shift:
13528 gen_shift(ctx, mips32_op, rd, rs, rt);
13529 break;
13530 /* Logical operations */
13531 case AND:
13532 mips32_op = OPC_AND;
13533 goto do_logic;
13534 case OR32:
13535 mips32_op = OPC_OR;
13536 goto do_logic;
13537 case NOR:
13538 mips32_op = OPC_NOR;
13539 goto do_logic;
13540 case XOR32:
13541 mips32_op = OPC_XOR;
13542 do_logic:
13543 gen_logic(ctx, mips32_op, rd, rs, rt);
13544 break;
13545 /* Set less than */
13546 case SLT:
13547 mips32_op = OPC_SLT;
13548 goto do_slt;
13549 case SLTU:
13550 mips32_op = OPC_SLTU;
13551 do_slt:
13552 gen_slt(ctx, mips32_op, rd, rs, rt);
13553 break;
13554 default:
13555 goto pool32a_invalid;
13556 }
13557 break;
13558 case 0x18:
13559 minor = (ctx->opcode >> 6) & 0xf;
13560 switch (minor) {
13561 /* Conditional moves */
13562 case MOVN: /* MUL */
13563 if (ctx->insn_flags & ISA_MIPS32R6) {
13564 /* MUL */
13565 gen_r6_muldiv(ctx, R6_OPC_MUL, rd, rs, rt);
13566 } else {
13567 /* MOVN */
13568 gen_cond_move(ctx, OPC_MOVN, rd, rs, rt);
13569 }
13570 break;
13571 case MOVZ: /* MUH */
13572 if (ctx->insn_flags & ISA_MIPS32R6) {
13573 /* MUH */
13574 gen_r6_muldiv(ctx, R6_OPC_MUH, rd, rs, rt);
13575 } else {
13576 /* MOVZ */
13577 gen_cond_move(ctx, OPC_MOVZ, rd, rs, rt);
13578 }
13579 break;
13580 case MULU:
13581 check_insn(ctx, ISA_MIPS32R6);
13582 gen_r6_muldiv(ctx, R6_OPC_MULU, rd, rs, rt);
13583 break;
13584 case MUHU:
13585 check_insn(ctx, ISA_MIPS32R6);
13586 gen_r6_muldiv(ctx, R6_OPC_MUHU, rd, rs, rt);
13587 break;
13588 case LWXS: /* DIV */
13589 if (ctx->insn_flags & ISA_MIPS32R6) {
13590 /* DIV */
13591 gen_r6_muldiv(ctx, R6_OPC_DIV, rd, rs, rt);
13592 } else {
13593 /* LWXS */
13594 gen_ldxs(ctx, rs, rt, rd);
13595 }
13596 break;
13597 case MOD:
13598 check_insn(ctx, ISA_MIPS32R6);
13599 gen_r6_muldiv(ctx, R6_OPC_MOD, rd, rs, rt);
13600 break;
13601 case R6_DIVU:
13602 check_insn(ctx, ISA_MIPS32R6);
13603 gen_r6_muldiv(ctx, R6_OPC_DIVU, rd, rs, rt);
13604 break;
13605 case MODU:
13606 check_insn(ctx, ISA_MIPS32R6);
13607 gen_r6_muldiv(ctx, R6_OPC_MODU, rd, rs, rt);
13608 break;
13609 default:
13610 goto pool32a_invalid;
13611 }
13612 break;
13613 case INS:
13614 gen_bitops(ctx, OPC_INS, rt, rs, rr, rd);
13615 return;
13616 case LSA:
13617 check_insn(ctx, ISA_MIPS32R6);
13618 gen_lsa(ctx, OPC_LSA, rd, rs, rt,
13619 extract32(ctx->opcode, 9, 2));
13620 break;
13621 case ALIGN:
13622 check_insn(ctx, ISA_MIPS32R6);
13623 gen_align(ctx, OPC_ALIGN, rd, rs, rt,
13624 extract32(ctx->opcode, 9, 2));
13625 break;
13626 case EXT:
13627 gen_bitops(ctx, OPC_EXT, rt, rs, rr, rd);
13628 return;
13629 case POOL32AXF:
13630 gen_pool32axf(env, ctx, rt, rs);
13631 break;
13632 case 0x07:
13633 generate_exception_end(ctx, EXCP_BREAK);
13634 break;
13635 default:
13636 pool32a_invalid:
13637 MIPS_INVAL("pool32a");
13638 generate_exception_end(ctx, EXCP_RI);
13639 break;
13640 }
13641 break;
13642 case POOL32B:
13643 minor = (ctx->opcode >> 12) & 0xf;
13644 switch (minor) {
13645 case CACHE:
13646 check_cp0_enabled(ctx);
13647 /* Treat as no-op. */
13648 break;
13649 case LWC2:
13650 case SWC2:
13651 /* COP2: Not implemented. */
13652 generate_exception_err(ctx, EXCP_CpU, 2);
13653 break;
13654 #ifdef TARGET_MIPS64
13655 case LDP:
13656 case SDP:
13657 check_insn(ctx, ISA_MIPS3);
13658 check_mips_64(ctx);
13659 /* Fallthrough */
13660 #endif
13661 case LWP:
13662 case SWP:
13663 gen_ldst_pair(ctx, minor, rt, rs, SIMM(ctx->opcode, 0, 12));
13664 break;
13665 #ifdef TARGET_MIPS64
13666 case LDM:
13667 case SDM:
13668 check_insn(ctx, ISA_MIPS3);
13669 check_mips_64(ctx);
13670 /* Fallthrough */
13671 #endif
13672 case LWM32:
13673 case SWM32:
13674 gen_ldst_multiple(ctx, minor, rt, rs, SIMM(ctx->opcode, 0, 12));
13675 break;
13676 default:
13677 MIPS_INVAL("pool32b");
13678 generate_exception_end(ctx, EXCP_RI);
13679 break;
13680 }
13681 break;
13682 case POOL32F:
13683 if (ctx->CP0_Config1 & (1 << CP0C1_FP)) {
13684 minor = ctx->opcode & 0x3f;
13685 check_cp1_enabled(ctx);
13686 switch (minor) {
13687 case ALNV_PS:
13688 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13689 mips32_op = OPC_ALNV_PS;
13690 goto do_madd;
13691 case MADD_S:
13692 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13693 mips32_op = OPC_MADD_S;
13694 goto do_madd;
13695 case MADD_D:
13696 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13697 mips32_op = OPC_MADD_D;
13698 goto do_madd;
13699 case MADD_PS:
13700 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13701 mips32_op = OPC_MADD_PS;
13702 goto do_madd;
13703 case MSUB_S:
13704 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13705 mips32_op = OPC_MSUB_S;
13706 goto do_madd;
13707 case MSUB_D:
13708 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13709 mips32_op = OPC_MSUB_D;
13710 goto do_madd;
13711 case MSUB_PS:
13712 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13713 mips32_op = OPC_MSUB_PS;
13714 goto do_madd;
13715 case NMADD_S:
13716 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13717 mips32_op = OPC_NMADD_S;
13718 goto do_madd;
13719 case NMADD_D:
13720 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13721 mips32_op = OPC_NMADD_D;
13722 goto do_madd;
13723 case NMADD_PS:
13724 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13725 mips32_op = OPC_NMADD_PS;
13726 goto do_madd;
13727 case NMSUB_S:
13728 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13729 mips32_op = OPC_NMSUB_S;
13730 goto do_madd;
13731 case NMSUB_D:
13732 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13733 mips32_op = OPC_NMSUB_D;
13734 goto do_madd;
13735 case NMSUB_PS:
13736 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13737 mips32_op = OPC_NMSUB_PS;
13738 do_madd:
13739 gen_flt3_arith(ctx, mips32_op, rd, rr, rs, rt);
13740 break;
13741 case CABS_COND_FMT:
13742 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13743 cond = (ctx->opcode >> 6) & 0xf;
13744 cc = (ctx->opcode >> 13) & 0x7;
13745 fmt = (ctx->opcode >> 10) & 0x3;
13746 switch (fmt) {
13747 case 0x0:
13748 gen_cmpabs_s(ctx, cond, rt, rs, cc);
13749 break;
13750 case 0x1:
13751 gen_cmpabs_d(ctx, cond, rt, rs, cc);
13752 break;
13753 case 0x2:
13754 gen_cmpabs_ps(ctx, cond, rt, rs, cc);
13755 break;
13756 default:
13757 goto pool32f_invalid;
13758 }
13759 break;
13760 case C_COND_FMT:
13761 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13762 cond = (ctx->opcode >> 6) & 0xf;
13763 cc = (ctx->opcode >> 13) & 0x7;
13764 fmt = (ctx->opcode >> 10) & 0x3;
13765 switch (fmt) {
13766 case 0x0:
13767 gen_cmp_s(ctx, cond, rt, rs, cc);
13768 break;
13769 case 0x1:
13770 gen_cmp_d(ctx, cond, rt, rs, cc);
13771 break;
13772 case 0x2:
13773 gen_cmp_ps(ctx, cond, rt, rs, cc);
13774 break;
13775 default:
13776 goto pool32f_invalid;
13777 }
13778 break;
13779 case CMP_CONDN_S:
13780 check_insn(ctx, ISA_MIPS32R6);
13781 gen_r6_cmp_s(ctx, (ctx->opcode >> 6) & 0x1f, rt, rs, rd);
13782 break;
13783 case CMP_CONDN_D:
13784 check_insn(ctx, ISA_MIPS32R6);
13785 gen_r6_cmp_d(ctx, (ctx->opcode >> 6) & 0x1f, rt, rs, rd);
13786 break;
13787 case POOL32FXF:
13788 gen_pool32fxf(ctx, rt, rs);
13789 break;
13790 case 0x00:
13791 /* PLL foo */
13792 switch ((ctx->opcode >> 6) & 0x7) {
13793 case PLL_PS:
13794 mips32_op = OPC_PLL_PS;
13795 goto do_ps;
13796 case PLU_PS:
13797 mips32_op = OPC_PLU_PS;
13798 goto do_ps;
13799 case PUL_PS:
13800 mips32_op = OPC_PUL_PS;
13801 goto do_ps;
13802 case PUU_PS:
13803 mips32_op = OPC_PUU_PS;
13804 goto do_ps;
13805 case CVT_PS_S:
13806 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13807 mips32_op = OPC_CVT_PS_S;
13808 do_ps:
13809 gen_farith(ctx, mips32_op, rt, rs, rd, 0);
13810 break;
13811 default:
13812 goto pool32f_invalid;
13813 }
13814 break;
13815 case MIN_FMT:
13816 check_insn(ctx, ISA_MIPS32R6);
13817 switch ((ctx->opcode >> 9) & 0x3) {
13818 case FMT_SDPS_S:
13819 gen_farith(ctx, OPC_MIN_S, rt, rs, rd, 0);
13820 break;
13821 case FMT_SDPS_D:
13822 gen_farith(ctx, OPC_MIN_D, rt, rs, rd, 0);
13823 break;
13824 default:
13825 goto pool32f_invalid;
13826 }
13827 break;
13828 case 0x08:
13829 /* [LS][WDU]XC1 */
13830 switch ((ctx->opcode >> 6) & 0x7) {
13831 case LWXC1:
13832 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13833 mips32_op = OPC_LWXC1;
13834 goto do_ldst_cp1;
13835 case SWXC1:
13836 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13837 mips32_op = OPC_SWXC1;
13838 goto do_ldst_cp1;
13839 case LDXC1:
13840 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13841 mips32_op = OPC_LDXC1;
13842 goto do_ldst_cp1;
13843 case SDXC1:
13844 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13845 mips32_op = OPC_SDXC1;
13846 goto do_ldst_cp1;
13847 case LUXC1:
13848 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13849 mips32_op = OPC_LUXC1;
13850 goto do_ldst_cp1;
13851 case SUXC1:
13852 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13853 mips32_op = OPC_SUXC1;
13854 do_ldst_cp1:
13855 gen_flt3_ldst(ctx, mips32_op, rd, rd, rt, rs);
13856 break;
13857 default:
13858 goto pool32f_invalid;
13859 }
13860 break;
13861 case MAX_FMT:
13862 check_insn(ctx, ISA_MIPS32R6);
13863 switch ((ctx->opcode >> 9) & 0x3) {
13864 case FMT_SDPS_S:
13865 gen_farith(ctx, OPC_MAX_S, rt, rs, rd, 0);
13866 break;
13867 case FMT_SDPS_D:
13868 gen_farith(ctx, OPC_MAX_D, rt, rs, rd, 0);
13869 break;
13870 default:
13871 goto pool32f_invalid;
13872 }
13873 break;
13874 case 0x18:
13875 /* 3D insns */
13876 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13877 fmt = (ctx->opcode >> 9) & 0x3;
13878 switch ((ctx->opcode >> 6) & 0x7) {
13879 case RSQRT2_FMT:
13880 switch (fmt) {
13881 case FMT_SDPS_S:
13882 mips32_op = OPC_RSQRT2_S;
13883 goto do_3d;
13884 case FMT_SDPS_D:
13885 mips32_op = OPC_RSQRT2_D;
13886 goto do_3d;
13887 case FMT_SDPS_PS:
13888 mips32_op = OPC_RSQRT2_PS;
13889 goto do_3d;
13890 default:
13891 goto pool32f_invalid;
13892 }
13893 break;
13894 case RECIP2_FMT:
13895 switch (fmt) {
13896 case FMT_SDPS_S:
13897 mips32_op = OPC_RECIP2_S;
13898 goto do_3d;
13899 case FMT_SDPS_D:
13900 mips32_op = OPC_RECIP2_D;
13901 goto do_3d;
13902 case FMT_SDPS_PS:
13903 mips32_op = OPC_RECIP2_PS;
13904 goto do_3d;
13905 default:
13906 goto pool32f_invalid;
13907 }
13908 break;
13909 case ADDR_PS:
13910 mips32_op = OPC_ADDR_PS;
13911 goto do_3d;
13912 case MULR_PS:
13913 mips32_op = OPC_MULR_PS;
13914 do_3d:
13915 gen_farith(ctx, mips32_op, rt, rs, rd, 0);
13916 break;
13917 default:
13918 goto pool32f_invalid;
13919 }
13920 break;
13921 case 0x20:
13922 /* MOV[FT].fmt, PREFX, RINT.fmt, CLASS.fmt*/
13923 cc = (ctx->opcode >> 13) & 0x7;
13924 fmt = (ctx->opcode >> 9) & 0x3;
13925 switch ((ctx->opcode >> 6) & 0x7) {
13926 case MOVF_FMT: /* RINT_FMT */
13927 if (ctx->insn_flags & ISA_MIPS32R6) {
13928 /* RINT_FMT */
13929 switch (fmt) {
13930 case FMT_SDPS_S:
13931 gen_farith(ctx, OPC_RINT_S, 0, rt, rs, 0);
13932 break;
13933 case FMT_SDPS_D:
13934 gen_farith(ctx, OPC_RINT_D, 0, rt, rs, 0);
13935 break;
13936 default:
13937 goto pool32f_invalid;
13938 }
13939 } else {
13940 /* MOVF_FMT */
13941 switch (fmt) {
13942 case FMT_SDPS_S:
13943 gen_movcf_s(ctx, rs, rt, cc, 0);
13944 break;
13945 case FMT_SDPS_D:
13946 gen_movcf_d(ctx, rs, rt, cc, 0);
13947 break;
13948 case FMT_SDPS_PS:
13949 check_ps(ctx);
13950 gen_movcf_ps(ctx, rs, rt, cc, 0);
13951 break;
13952 default:
13953 goto pool32f_invalid;
13954 }
13955 }
13956 break;
13957 case MOVT_FMT: /* CLASS_FMT */
13958 if (ctx->insn_flags & ISA_MIPS32R6) {
13959 /* CLASS_FMT */
13960 switch (fmt) {
13961 case FMT_SDPS_S:
13962 gen_farith(ctx, OPC_CLASS_S, 0, rt, rs, 0);
13963 break;
13964 case FMT_SDPS_D:
13965 gen_farith(ctx, OPC_CLASS_D, 0, rt, rs, 0);
13966 break;
13967 default:
13968 goto pool32f_invalid;
13969 }
13970 } else {
13971 /* MOVT_FMT */
13972 switch (fmt) {
13973 case FMT_SDPS_S:
13974 gen_movcf_s(ctx, rs, rt, cc, 1);
13975 break;
13976 case FMT_SDPS_D:
13977 gen_movcf_d(ctx, rs, rt, cc, 1);
13978 break;
13979 case FMT_SDPS_PS:
13980 check_ps(ctx);
13981 gen_movcf_ps(ctx, rs, rt, cc, 1);
13982 break;
13983 default:
13984 goto pool32f_invalid;
13985 }
13986 }
13987 break;
13988 case PREFX:
13989 check_insn_opc_removed(ctx, ISA_MIPS32R6);
13990 break;
13991 default:
13992 goto pool32f_invalid;
13993 }
13994 break;
13995 #define FINSN_3ARG_SDPS(prfx) \
13996 switch ((ctx->opcode >> 8) & 0x3) { \
13997 case FMT_SDPS_S: \
13998 mips32_op = OPC_##prfx##_S; \
13999 goto do_fpop; \
14000 case FMT_SDPS_D: \
14001 mips32_op = OPC_##prfx##_D; \
14002 goto do_fpop; \
14003 case FMT_SDPS_PS: \
14004 check_ps(ctx); \
14005 mips32_op = OPC_##prfx##_PS; \
14006 goto do_fpop; \
14007 default: \
14008 goto pool32f_invalid; \
14009 }
14010 case MINA_FMT:
14011 check_insn(ctx, ISA_MIPS32R6);
14012 switch ((ctx->opcode >> 9) & 0x3) {
14013 case FMT_SDPS_S:
14014 gen_farith(ctx, OPC_MINA_S, rt, rs, rd, 0);
14015 break;
14016 case FMT_SDPS_D:
14017 gen_farith(ctx, OPC_MINA_D, rt, rs, rd, 0);
14018 break;
14019 default:
14020 goto pool32f_invalid;
14021 }
14022 break;
14023 case MAXA_FMT:
14024 check_insn(ctx, ISA_MIPS32R6);
14025 switch ((ctx->opcode >> 9) & 0x3) {
14026 case FMT_SDPS_S:
14027 gen_farith(ctx, OPC_MAXA_S, rt, rs, rd, 0);
14028 break;
14029 case FMT_SDPS_D:
14030 gen_farith(ctx, OPC_MAXA_D, rt, rs, rd, 0);
14031 break;
14032 default:
14033 goto pool32f_invalid;
14034 }
14035 break;
14036 case 0x30:
14037 /* regular FP ops */
14038 switch ((ctx->opcode >> 6) & 0x3) {
14039 case ADD_FMT:
14040 FINSN_3ARG_SDPS(ADD);
14041 break;
14042 case SUB_FMT:
14043 FINSN_3ARG_SDPS(SUB);
14044 break;
14045 case MUL_FMT:
14046 FINSN_3ARG_SDPS(MUL);
14047 break;
14048 case DIV_FMT:
14049 fmt = (ctx->opcode >> 8) & 0x3;
14050 if (fmt == 1) {
14051 mips32_op = OPC_DIV_D;
14052 } else if (fmt == 0) {
14053 mips32_op = OPC_DIV_S;
14054 } else {
14055 goto pool32f_invalid;
14056 }
14057 goto do_fpop;
14058 default:
14059 goto pool32f_invalid;
14060 }
14061 break;
14062 case 0x38:
14063 /* cmovs */
14064 switch ((ctx->opcode >> 6) & 0x7) {
14065 case MOVN_FMT: /* SELNEZ_FMT */
14066 if (ctx->insn_flags & ISA_MIPS32R6) {
14067 /* SELNEZ_FMT */
14068 switch ((ctx->opcode >> 9) & 0x3) {
14069 case FMT_SDPS_S:
14070 gen_sel_s(ctx, OPC_SELNEZ_S, rd, rt, rs);
14071 break;
14072 case FMT_SDPS_D:
14073 gen_sel_d(ctx, OPC_SELNEZ_D, rd, rt, rs);
14074 break;
14075 default:
14076 goto pool32f_invalid;
14077 }
14078 } else {
14079 /* MOVN_FMT */
14080 FINSN_3ARG_SDPS(MOVN);
14081 }
14082 break;
14083 case MOVN_FMT_04:
14084 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14085 FINSN_3ARG_SDPS(MOVN);
14086 break;
14087 case MOVZ_FMT: /* SELEQZ_FMT */
14088 if (ctx->insn_flags & ISA_MIPS32R6) {
14089 /* SELEQZ_FMT */
14090 switch ((ctx->opcode >> 9) & 0x3) {
14091 case FMT_SDPS_S:
14092 gen_sel_s(ctx, OPC_SELEQZ_S, rd, rt, rs);
14093 break;
14094 case FMT_SDPS_D:
14095 gen_sel_d(ctx, OPC_SELEQZ_D, rd, rt, rs);
14096 break;
14097 default:
14098 goto pool32f_invalid;
14099 }
14100 } else {
14101 /* MOVZ_FMT */
14102 FINSN_3ARG_SDPS(MOVZ);
14103 }
14104 break;
14105 case MOVZ_FMT_05:
14106 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14107 FINSN_3ARG_SDPS(MOVZ);
14108 break;
14109 case SEL_FMT:
14110 check_insn(ctx, ISA_MIPS32R6);
14111 switch ((ctx->opcode >> 9) & 0x3) {
14112 case FMT_SDPS_S:
14113 gen_sel_s(ctx, OPC_SEL_S, rd, rt, rs);
14114 break;
14115 case FMT_SDPS_D:
14116 gen_sel_d(ctx, OPC_SEL_D, rd, rt, rs);
14117 break;
14118 default:
14119 goto pool32f_invalid;
14120 }
14121 break;
14122 case MADDF_FMT:
14123 check_insn(ctx, ISA_MIPS32R6);
14124 switch ((ctx->opcode >> 9) & 0x3) {
14125 case FMT_SDPS_S:
14126 mips32_op = OPC_MADDF_S;
14127 goto do_fpop;
14128 case FMT_SDPS_D:
14129 mips32_op = OPC_MADDF_D;
14130 goto do_fpop;
14131 default:
14132 goto pool32f_invalid;
14133 }
14134 break;
14135 case MSUBF_FMT:
14136 check_insn(ctx, ISA_MIPS32R6);
14137 switch ((ctx->opcode >> 9) & 0x3) {
14138 case FMT_SDPS_S:
14139 mips32_op = OPC_MSUBF_S;
14140 goto do_fpop;
14141 case FMT_SDPS_D:
14142 mips32_op = OPC_MSUBF_D;
14143 goto do_fpop;
14144 default:
14145 goto pool32f_invalid;
14146 }
14147 break;
14148 default:
14149 goto pool32f_invalid;
14150 }
14151 break;
14152 do_fpop:
14153 gen_farith(ctx, mips32_op, rt, rs, rd, 0);
14154 break;
14155 default:
14156 pool32f_invalid:
14157 MIPS_INVAL("pool32f");
14158 generate_exception_end(ctx, EXCP_RI);
14159 break;
14160 }
14161 } else {
14162 generate_exception_err(ctx, EXCP_CpU, 1);
14163 }
14164 break;
14165 case POOL32I:
14166 minor = (ctx->opcode >> 21) & 0x1f;
14167 switch (minor) {
14168 case BLTZ:
14169 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14170 gen_compute_branch(ctx, OPC_BLTZ, 4, rs, -1, imm << 1, 4);
14171 break;
14172 case BLTZAL:
14173 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14174 gen_compute_branch(ctx, OPC_BLTZAL, 4, rs, -1, imm << 1, 4);
14175 ctx->hflags |= MIPS_HFLAG_BDS_STRICT;
14176 break;
14177 case BLTZALS:
14178 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14179 gen_compute_branch(ctx, OPC_BLTZAL, 4, rs, -1, imm << 1, 2);
14180 ctx->hflags |= MIPS_HFLAG_BDS_STRICT;
14181 break;
14182 case BGEZ:
14183 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14184 gen_compute_branch(ctx, OPC_BGEZ, 4, rs, -1, imm << 1, 4);
14185 break;
14186 case BGEZAL:
14187 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14188 gen_compute_branch(ctx, OPC_BGEZAL, 4, rs, -1, imm << 1, 4);
14189 ctx->hflags |= MIPS_HFLAG_BDS_STRICT;
14190 break;
14191 case BGEZALS:
14192 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14193 gen_compute_branch(ctx, OPC_BGEZAL, 4, rs, -1, imm << 1, 2);
14194 ctx->hflags |= MIPS_HFLAG_BDS_STRICT;
14195 break;
14196 case BLEZ:
14197 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14198 gen_compute_branch(ctx, OPC_BLEZ, 4, rs, -1, imm << 1, 4);
14199 break;
14200 case BGTZ:
14201 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14202 gen_compute_branch(ctx, OPC_BGTZ, 4, rs, -1, imm << 1, 4);
14203 break;
14204
14205 /* Traps */
14206 case TLTI: /* BC1EQZC */
14207 if (ctx->insn_flags & ISA_MIPS32R6) {
14208 /* BC1EQZC */
14209 check_cp1_enabled(ctx);
14210 gen_compute_branch1_r6(ctx, OPC_BC1EQZ, rs, imm << 1, 0);
14211 } else {
14212 /* TLTI */
14213 mips32_op = OPC_TLTI;
14214 goto do_trapi;
14215 }
14216 break;
14217 case TGEI: /* BC1NEZC */
14218 if (ctx->insn_flags & ISA_MIPS32R6) {
14219 /* BC1NEZC */
14220 check_cp1_enabled(ctx);
14221 gen_compute_branch1_r6(ctx, OPC_BC1NEZ, rs, imm << 1, 0);
14222 } else {
14223 /* TGEI */
14224 mips32_op = OPC_TGEI;
14225 goto do_trapi;
14226 }
14227 break;
14228 case TLTIU:
14229 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14230 mips32_op = OPC_TLTIU;
14231 goto do_trapi;
14232 case TGEIU:
14233 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14234 mips32_op = OPC_TGEIU;
14235 goto do_trapi;
14236 case TNEI: /* SYNCI */
14237 if (ctx->insn_flags & ISA_MIPS32R6) {
14238 /* SYNCI */
14239 /* Break the TB to be able to sync copied instructions
14240 immediately */
14241 ctx->bstate = BS_STOP;
14242 } else {
14243 /* TNEI */
14244 mips32_op = OPC_TNEI;
14245 goto do_trapi;
14246 }
14247 break;
14248 case TEQI:
14249 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14250 mips32_op = OPC_TEQI;
14251 do_trapi:
14252 gen_trap(ctx, mips32_op, rs, -1, imm);
14253 break;
14254
14255 case BNEZC:
14256 case BEQZC:
14257 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14258 gen_compute_branch(ctx, minor == BNEZC ? OPC_BNE : OPC_BEQ,
14259 4, rs, 0, imm << 1, 0);
14260 /* Compact branches don't have a delay slot, so just let
14261 the normal delay slot handling take us to the branch
14262 target. */
14263 break;
14264 case LUI:
14265 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14266 gen_logic_imm(ctx, OPC_LUI, rs, 0, imm);
14267 break;
14268 case SYNCI:
14269 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14270 /* Break the TB to be able to sync copied instructions
14271 immediately */
14272 ctx->bstate = BS_STOP;
14273 break;
14274 case BC2F:
14275 case BC2T:
14276 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14277 /* COP2: Not implemented. */
14278 generate_exception_err(ctx, EXCP_CpU, 2);
14279 break;
14280 case BC1F:
14281 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14282 mips32_op = (ctx->opcode & (1 << 16)) ? OPC_BC1FANY2 : OPC_BC1F;
14283 goto do_cp1branch;
14284 case BC1T:
14285 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14286 mips32_op = (ctx->opcode & (1 << 16)) ? OPC_BC1TANY2 : OPC_BC1T;
14287 goto do_cp1branch;
14288 case BC1ANY4F:
14289 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14290 mips32_op = OPC_BC1FANY4;
14291 goto do_cp1mips3d;
14292 case BC1ANY4T:
14293 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14294 mips32_op = OPC_BC1TANY4;
14295 do_cp1mips3d:
14296 check_cop1x(ctx);
14297 check_insn(ctx, ASE_MIPS3D);
14298 /* Fall through */
14299 do_cp1branch:
14300 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
14301 check_cp1_enabled(ctx);
14302 gen_compute_branch1(ctx, mips32_op,
14303 (ctx->opcode >> 18) & 0x7, imm << 1);
14304 } else {
14305 generate_exception_err(ctx, EXCP_CpU, 1);
14306 }
14307 break;
14308 case BPOSGE64:
14309 case BPOSGE32:
14310 /* MIPS DSP: not implemented */
14311 /* Fall through */
14312 default:
14313 MIPS_INVAL("pool32i");
14314 generate_exception_end(ctx, EXCP_RI);
14315 break;
14316 }
14317 break;
14318 case POOL32C:
14319 minor = (ctx->opcode >> 12) & 0xf;
14320 offset = sextract32(ctx->opcode, 0,
14321 (ctx->insn_flags & ISA_MIPS32R6) ? 9 : 12);
14322 switch (minor) {
14323 case LWL:
14324 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14325 mips32_op = OPC_LWL;
14326 goto do_ld_lr;
14327 case SWL:
14328 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14329 mips32_op = OPC_SWL;
14330 goto do_st_lr;
14331 case LWR:
14332 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14333 mips32_op = OPC_LWR;
14334 goto do_ld_lr;
14335 case SWR:
14336 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14337 mips32_op = OPC_SWR;
14338 goto do_st_lr;
14339 #if defined(TARGET_MIPS64)
14340 case LDL:
14341 check_insn(ctx, ISA_MIPS3);
14342 check_mips_64(ctx);
14343 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14344 mips32_op = OPC_LDL;
14345 goto do_ld_lr;
14346 case SDL:
14347 check_insn(ctx, ISA_MIPS3);
14348 check_mips_64(ctx);
14349 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14350 mips32_op = OPC_SDL;
14351 goto do_st_lr;
14352 case LDR:
14353 check_insn(ctx, ISA_MIPS3);
14354 check_mips_64(ctx);
14355 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14356 mips32_op = OPC_LDR;
14357 goto do_ld_lr;
14358 case SDR:
14359 check_insn(ctx, ISA_MIPS3);
14360 check_mips_64(ctx);
14361 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14362 mips32_op = OPC_SDR;
14363 goto do_st_lr;
14364 case LWU:
14365 check_insn(ctx, ISA_MIPS3);
14366 check_mips_64(ctx);
14367 mips32_op = OPC_LWU;
14368 goto do_ld_lr;
14369 case LLD:
14370 check_insn(ctx, ISA_MIPS3);
14371 check_mips_64(ctx);
14372 mips32_op = OPC_LLD;
14373 goto do_ld_lr;
14374 #endif
14375 case LL:
14376 mips32_op = OPC_LL;
14377 goto do_ld_lr;
14378 do_ld_lr:
14379 gen_ld(ctx, mips32_op, rt, rs, offset);
14380 break;
14381 do_st_lr:
14382 gen_st(ctx, mips32_op, rt, rs, SIMM(ctx->opcode, 0, 12));
14383 break;
14384 case SC:
14385 gen_st_cond(ctx, OPC_SC, rt, rs, offset);
14386 break;
14387 #if defined(TARGET_MIPS64)
14388 case SCD:
14389 check_insn(ctx, ISA_MIPS3);
14390 check_mips_64(ctx);
14391 gen_st_cond(ctx, OPC_SCD, rt, rs, offset);
14392 break;
14393 #endif
14394 case PREF:
14395 /* Treat as no-op */
14396 if ((ctx->insn_flags & ISA_MIPS32R6) && (rt >= 24)) {
14397 /* hint codes 24-31 are reserved and signal RI */
14398 generate_exception(ctx, EXCP_RI);
14399 }
14400 break;
14401 default:
14402 MIPS_INVAL("pool32c");
14403 generate_exception_end(ctx, EXCP_RI);
14404 break;
14405 }
14406 break;
14407 case ADDI32: /* AUI, LUI */
14408 if (ctx->insn_flags & ISA_MIPS32R6) {
14409 /* AUI, LUI */
14410 gen_logic_imm(ctx, OPC_LUI, rt, rs, imm);
14411 } else {
14412 /* ADDI32 */
14413 mips32_op = OPC_ADDI;
14414 goto do_addi;
14415 }
14416 break;
14417 case ADDIU32:
14418 mips32_op = OPC_ADDIU;
14419 do_addi:
14420 gen_arith_imm(ctx, mips32_op, rt, rs, imm);
14421 break;
14422
14423 /* Logical operations */
14424 case ORI32:
14425 mips32_op = OPC_ORI;
14426 goto do_logici;
14427 case XORI32:
14428 mips32_op = OPC_XORI;
14429 goto do_logici;
14430 case ANDI32:
14431 mips32_op = OPC_ANDI;
14432 do_logici:
14433 gen_logic_imm(ctx, mips32_op, rt, rs, imm);
14434 break;
14435
14436 /* Set less than immediate */
14437 case SLTI32:
14438 mips32_op = OPC_SLTI;
14439 goto do_slti;
14440 case SLTIU32:
14441 mips32_op = OPC_SLTIU;
14442 do_slti:
14443 gen_slt_imm(ctx, mips32_op, rt, rs, imm);
14444 break;
14445 case JALX32:
14446 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14447 offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2;
14448 gen_compute_branch(ctx, OPC_JALX, 4, rt, rs, offset, 4);
14449 ctx->hflags |= MIPS_HFLAG_BDS_STRICT;
14450 break;
14451 case JALS32: /* BOVC, BEQC, BEQZALC */
14452 if (ctx->insn_flags & ISA_MIPS32R6) {
14453 if (rs >= rt) {
14454 /* BOVC */
14455 mips32_op = OPC_BOVC;
14456 } else if (rs < rt && rs == 0) {
14457 /* BEQZALC */
14458 mips32_op = OPC_BEQZALC;
14459 } else {
14460 /* BEQC */
14461 mips32_op = OPC_BEQC;
14462 }
14463 gen_compute_compact_branch(ctx, mips32_op, rs, rt, imm << 1);
14464 } else {
14465 /* JALS32 */
14466 offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 1;
14467 gen_compute_branch(ctx, OPC_JAL, 4, rt, rs, offset, 2);
14468 ctx->hflags |= MIPS_HFLAG_BDS_STRICT;
14469 }
14470 break;
14471 case BEQ32: /* BC */
14472 if (ctx->insn_flags & ISA_MIPS32R6) {
14473 /* BC */
14474 gen_compute_compact_branch(ctx, OPC_BC, 0, 0,
14475 sextract32(ctx->opcode << 1, 0, 27));
14476 } else {
14477 /* BEQ32 */
14478 gen_compute_branch(ctx, OPC_BEQ, 4, rt, rs, imm << 1, 4);
14479 }
14480 break;
14481 case BNE32: /* BALC */
14482 if (ctx->insn_flags & ISA_MIPS32R6) {
14483 /* BALC */
14484 gen_compute_compact_branch(ctx, OPC_BALC, 0, 0,
14485 sextract32(ctx->opcode << 1, 0, 27));
14486 } else {
14487 /* BNE32 */
14488 gen_compute_branch(ctx, OPC_BNE, 4, rt, rs, imm << 1, 4);
14489 }
14490 break;
14491 case J32: /* BGTZC, BLTZC, BLTC */
14492 if (ctx->insn_flags & ISA_MIPS32R6) {
14493 if (rs == 0 && rt != 0) {
14494 /* BGTZC */
14495 mips32_op = OPC_BGTZC;
14496 } else if (rs != 0 && rt != 0 && rs == rt) {
14497 /* BLTZC */
14498 mips32_op = OPC_BLTZC;
14499 } else {
14500 /* BLTC */
14501 mips32_op = OPC_BLTC;
14502 }
14503 gen_compute_compact_branch(ctx, mips32_op, rs, rt, imm << 1);
14504 } else {
14505 /* J32 */
14506 gen_compute_branch(ctx, OPC_J, 4, rt, rs,
14507 (int32_t)(ctx->opcode & 0x3FFFFFF) << 1, 4);
14508 }
14509 break;
14510 case JAL32: /* BLEZC, BGEZC, BGEC */
14511 if (ctx->insn_flags & ISA_MIPS32R6) {
14512 if (rs == 0 && rt != 0) {
14513 /* BLEZC */
14514 mips32_op = OPC_BLEZC;
14515 } else if (rs != 0 && rt != 0 && rs == rt) {
14516 /* BGEZC */
14517 mips32_op = OPC_BGEZC;
14518 } else {
14519 /* BGEC */
14520 mips32_op = OPC_BGEC;
14521 }
14522 gen_compute_compact_branch(ctx, mips32_op, rs, rt, imm << 1);
14523 } else {
14524 /* JAL32 */
14525 gen_compute_branch(ctx, OPC_JAL, 4, rt, rs,
14526 (int32_t)(ctx->opcode & 0x3FFFFFF) << 1, 4);
14527 ctx->hflags |= MIPS_HFLAG_BDS_STRICT;
14528 }
14529 break;
14530 /* Floating point (COP1) */
14531 case LWC132:
14532 mips32_op = OPC_LWC1;
14533 goto do_cop1;
14534 case LDC132:
14535 mips32_op = OPC_LDC1;
14536 goto do_cop1;
14537 case SWC132:
14538 mips32_op = OPC_SWC1;
14539 goto do_cop1;
14540 case SDC132:
14541 mips32_op = OPC_SDC1;
14542 do_cop1:
14543 gen_cop1_ldst(ctx, mips32_op, rt, rs, imm);
14544 break;
14545 case ADDIUPC: /* PCREL: ADDIUPC, AUIPC, ALUIPC, LWPC */
14546 if (ctx->insn_flags & ISA_MIPS32R6) {
14547 /* PCREL: ADDIUPC, AUIPC, ALUIPC, LWPC */
14548 switch ((ctx->opcode >> 16) & 0x1f) {
14549 case ADDIUPC_00 ... ADDIUPC_07:
14550 gen_pcrel(ctx, OPC_ADDIUPC, ctx->pc & ~0x3, rt);
14551 break;
14552 case AUIPC:
14553 gen_pcrel(ctx, OPC_AUIPC, ctx->pc, rt);
14554 break;
14555 case ALUIPC:
14556 gen_pcrel(ctx, OPC_ALUIPC, ctx->pc, rt);
14557 break;
14558 case LWPC_08 ... LWPC_0F:
14559 gen_pcrel(ctx, R6_OPC_LWPC, ctx->pc & ~0x3, rt);
14560 break;
14561 default:
14562 generate_exception(ctx, EXCP_RI);
14563 break;
14564 }
14565 } else {
14566 /* ADDIUPC */
14567 int reg = mmreg(ZIMM(ctx->opcode, 23, 3));
14568 int offset = SIMM(ctx->opcode, 0, 23) << 2;
14569
14570 gen_addiupc(ctx, reg, offset, 0, 0);
14571 }
14572 break;
14573 case BNVC: /* BNEC, BNEZALC */
14574 check_insn(ctx, ISA_MIPS32R6);
14575 if (rs >= rt) {
14576 /* BNVC */
14577 mips32_op = OPC_BNVC;
14578 } else if (rs < rt && rs == 0) {
14579 /* BNEZALC */
14580 mips32_op = OPC_BNEZALC;
14581 } else {
14582 /* BNEC */
14583 mips32_op = OPC_BNEC;
14584 }
14585 gen_compute_compact_branch(ctx, mips32_op, rs, rt, imm << 1);
14586 break;
14587 case R6_BNEZC: /* JIALC */
14588 check_insn(ctx, ISA_MIPS32R6);
14589 if (rt != 0) {
14590 /* BNEZC */
14591 gen_compute_compact_branch(ctx, OPC_BNEZC, rt, 0,
14592 sextract32(ctx->opcode << 1, 0, 22));
14593 } else {
14594 /* JIALC */
14595 gen_compute_compact_branch(ctx, OPC_JIALC, 0, rs, imm);
14596 }
14597 break;
14598 case R6_BEQZC: /* JIC */
14599 check_insn(ctx, ISA_MIPS32R6);
14600 if (rt != 0) {
14601 /* BEQZC */
14602 gen_compute_compact_branch(ctx, OPC_BEQZC, rt, 0,
14603 sextract32(ctx->opcode << 1, 0, 22));
14604 } else {
14605 /* JIC */
14606 gen_compute_compact_branch(ctx, OPC_JIC, 0, rs, imm);
14607 }
14608 break;
14609 case BLEZALC: /* BGEZALC, BGEUC */
14610 check_insn(ctx, ISA_MIPS32R6);
14611 if (rs == 0 && rt != 0) {
14612 /* BLEZALC */
14613 mips32_op = OPC_BLEZALC;
14614 } else if (rs != 0 && rt != 0 && rs == rt) {
14615 /* BGEZALC */
14616 mips32_op = OPC_BGEZALC;
14617 } else {
14618 /* BGEUC */
14619 mips32_op = OPC_BGEUC;
14620 }
14621 gen_compute_compact_branch(ctx, mips32_op, rs, rt, imm << 1);
14622 break;
14623 case BGTZALC: /* BLTZALC, BLTUC */
14624 check_insn(ctx, ISA_MIPS32R6);
14625 if (rs == 0 && rt != 0) {
14626 /* BGTZALC */
14627 mips32_op = OPC_BGTZALC;
14628 } else if (rs != 0 && rt != 0 && rs == rt) {
14629 /* BLTZALC */
14630 mips32_op = OPC_BLTZALC;
14631 } else {
14632 /* BLTUC */
14633 mips32_op = OPC_BLTUC;
14634 }
14635 gen_compute_compact_branch(ctx, mips32_op, rs, rt, imm << 1);
14636 break;
14637 /* Loads and stores */
14638 case LB32:
14639 mips32_op = OPC_LB;
14640 goto do_ld;
14641 case LBU32:
14642 mips32_op = OPC_LBU;
14643 goto do_ld;
14644 case LH32:
14645 mips32_op = OPC_LH;
14646 goto do_ld;
14647 case LHU32:
14648 mips32_op = OPC_LHU;
14649 goto do_ld;
14650 case LW32:
14651 mips32_op = OPC_LW;
14652 goto do_ld;
14653 #ifdef TARGET_MIPS64
14654 case LD32:
14655 check_insn(ctx, ISA_MIPS3);
14656 check_mips_64(ctx);
14657 mips32_op = OPC_LD;
14658 goto do_ld;
14659 case SD32:
14660 check_insn(ctx, ISA_MIPS3);
14661 check_mips_64(ctx);
14662 mips32_op = OPC_SD;
14663 goto do_st;
14664 #endif
14665 case SB32:
14666 mips32_op = OPC_SB;
14667 goto do_st;
14668 case SH32:
14669 mips32_op = OPC_SH;
14670 goto do_st;
14671 case SW32:
14672 mips32_op = OPC_SW;
14673 goto do_st;
14674 do_ld:
14675 gen_ld(ctx, mips32_op, rt, rs, imm);
14676 break;
14677 do_st:
14678 gen_st(ctx, mips32_op, rt, rs, imm);
14679 break;
14680 default:
14681 generate_exception_end(ctx, EXCP_RI);
14682 break;
14683 }
14684 }
14685
14686 static int decode_micromips_opc (CPUMIPSState *env, DisasContext *ctx)
14687 {
14688 uint32_t op;
14689
14690 /* make sure instructions are on a halfword boundary */
14691 if (ctx->pc & 0x1) {
14692 env->CP0_BadVAddr = ctx->pc;
14693 generate_exception_end(ctx, EXCP_AdEL);
14694 return 2;
14695 }
14696
14697 op = (ctx->opcode >> 10) & 0x3f;
14698 /* Enforce properly-sized instructions in a delay slot */
14699 if (ctx->hflags & MIPS_HFLAG_BDS_STRICT) {
14700 switch (op & 0x7) { /* MSB-3..MSB-5 */
14701 case 0:
14702 /* POOL32A, POOL32B, POOL32I, POOL32C */
14703 case 4:
14704 /* ADDI32, ADDIU32, ORI32, XORI32, SLTI32, SLTIU32, ANDI32, JALX32 */
14705 case 5:
14706 /* LBU32, LHU32, POOL32F, JALS32, BEQ32, BNE32, J32, JAL32 */
14707 case 6:
14708 /* SB32, SH32, ADDIUPC, SWC132, SDC132, SW32 */
14709 case 7:
14710 /* LB32, LH32, LWC132, LDC132, LW32 */
14711 if (ctx->hflags & MIPS_HFLAG_BDS16) {
14712 generate_exception_end(ctx, EXCP_RI);
14713 return 2;
14714 }
14715 break;
14716 case 1:
14717 /* POOL16A, POOL16B, POOL16C, LWGP16, POOL16F */
14718 case 2:
14719 /* LBU16, LHU16, LWSP16, LW16, SB16, SH16, SWSP16, SW16 */
14720 case 3:
14721 /* MOVE16, ANDI16, POOL16D, POOL16E, BEQZ16, BNEZ16, B16, LI16 */
14722 if (ctx->hflags & MIPS_HFLAG_BDS32) {
14723 generate_exception_end(ctx, EXCP_RI);
14724 return 2;
14725 }
14726 break;
14727 }
14728 }
14729
14730 switch (op) {
14731 case POOL16A:
14732 {
14733 int rd = mmreg(uMIPS_RD(ctx->opcode));
14734 int rs1 = mmreg(uMIPS_RS1(ctx->opcode));
14735 int rs2 = mmreg(uMIPS_RS2(ctx->opcode));
14736 uint32_t opc = 0;
14737
14738 switch (ctx->opcode & 0x1) {
14739 case ADDU16:
14740 opc = OPC_ADDU;
14741 break;
14742 case SUBU16:
14743 opc = OPC_SUBU;
14744 break;
14745 }
14746 if (ctx->insn_flags & ISA_MIPS32R6) {
14747 /* In the Release 6 the register number location in
14748 * the instruction encoding has changed.
14749 */
14750 gen_arith(ctx, opc, rs1, rd, rs2);
14751 } else {
14752 gen_arith(ctx, opc, rd, rs1, rs2);
14753 }
14754 }
14755 break;
14756 case POOL16B:
14757 {
14758 int rd = mmreg(uMIPS_RD(ctx->opcode));
14759 int rs = mmreg(uMIPS_RS(ctx->opcode));
14760 int amount = (ctx->opcode >> 1) & 0x7;
14761 uint32_t opc = 0;
14762 amount = amount == 0 ? 8 : amount;
14763
14764 switch (ctx->opcode & 0x1) {
14765 case SLL16:
14766 opc = OPC_SLL;
14767 break;
14768 case SRL16:
14769 opc = OPC_SRL;
14770 break;
14771 }
14772
14773 gen_shift_imm(ctx, opc, rd, rs, amount);
14774 }
14775 break;
14776 case POOL16C:
14777 if (ctx->insn_flags & ISA_MIPS32R6) {
14778 gen_pool16c_r6_insn(ctx);
14779 } else {
14780 gen_pool16c_insn(ctx);
14781 }
14782 break;
14783 case LWGP16:
14784 {
14785 int rd = mmreg(uMIPS_RD(ctx->opcode));
14786 int rb = 28; /* GP */
14787 int16_t offset = SIMM(ctx->opcode, 0, 7) << 2;
14788
14789 gen_ld(ctx, OPC_LW, rd, rb, offset);
14790 }
14791 break;
14792 case POOL16F:
14793 check_insn_opc_removed(ctx, ISA_MIPS32R6);
14794 if (ctx->opcode & 1) {
14795 generate_exception_end(ctx, EXCP_RI);
14796 } else {
14797 /* MOVEP */
14798 int enc_dest = uMIPS_RD(ctx->opcode);
14799 int enc_rt = uMIPS_RS2(ctx->opcode);
14800 int enc_rs = uMIPS_RS1(ctx->opcode);
14801 gen_movep(ctx, enc_dest, enc_rt, enc_rs);
14802 }
14803 break;
14804 case LBU16:
14805 {
14806 int rd = mmreg(uMIPS_RD(ctx->opcode));
14807 int rb = mmreg(uMIPS_RS(ctx->opcode));
14808 int16_t offset = ZIMM(ctx->opcode, 0, 4);
14809 offset = (offset == 0xf ? -1 : offset);
14810
14811 gen_ld(ctx, OPC_LBU, rd, rb, offset);
14812 }
14813 break;
14814 case LHU16:
14815 {
14816 int rd = mmreg(uMIPS_RD(ctx->opcode));
14817 int rb = mmreg(uMIPS_RS(ctx->opcode));
14818 int16_t offset = ZIMM(ctx->opcode, 0, 4) << 1;
14819
14820 gen_ld(ctx, OPC_LHU, rd, rb, offset);
14821 }
14822 break;
14823 case LWSP16:
14824 {
14825 int rd = (ctx->opcode >> 5) & 0x1f;
14826 int rb = 29; /* SP */
14827 int16_t offset = ZIMM(ctx->opcode, 0, 5) << 2;
14828
14829 gen_ld(ctx, OPC_LW, rd, rb, offset);
14830 }
14831 break;
14832 case LW16:
14833 {
14834 int rd = mmreg(uMIPS_RD(ctx->opcode));
14835 int rb = mmreg(uMIPS_RS(ctx->opcode));
14836 int16_t offset = ZIMM(ctx->opcode, 0, 4) << 2;
14837
14838 gen_ld(ctx, OPC_LW, rd, rb, offset);
14839 }
14840 break;
14841 case SB16:
14842 {
14843 int rd = mmreg2(uMIPS_RD(ctx->opcode));
14844 int rb = mmreg(uMIPS_RS(ctx->opcode));
14845 int16_t offset = ZIMM(ctx->opcode, 0, 4);
14846
14847 gen_st(ctx, OPC_SB, rd, rb, offset);
14848 }
14849 break;
14850 case SH16:
14851 {
14852 int rd = mmreg2(uMIPS_RD(ctx->opcode));
14853 int rb = mmreg(uMIPS_RS(ctx->opcode));
14854 int16_t offset = ZIMM(ctx->opcode, 0, 4) << 1;
14855
14856 gen_st(ctx, OPC_SH, rd, rb, offset);
14857 }
14858 break;
14859 case SWSP16:
14860 {
14861 int rd = (ctx->opcode >> 5) & 0x1f;
14862 int rb = 29; /* SP */
14863 int16_t offset = ZIMM(ctx->opcode, 0, 5) << 2;
14864
14865 gen_st(ctx, OPC_SW, rd, rb, offset);
14866 }
14867 break;
14868 case SW16:
14869 {
14870 int rd = mmreg2(uMIPS_RD(ctx->opcode));
14871 int rb = mmreg(uMIPS_RS(ctx->opcode));
14872 int16_t offset = ZIMM(ctx->opcode, 0, 4) << 2;
14873
14874 gen_st(ctx, OPC_SW, rd, rb, offset);
14875 }
14876 break;
14877 case MOVE16:
14878 {
14879 int rd = uMIPS_RD5(ctx->opcode);
14880 int rs = uMIPS_RS5(ctx->opcode);
14881
14882 gen_arith(ctx, OPC_ADDU, rd, rs, 0);
14883 }
14884 break;
14885 case ANDI16:
14886 gen_andi16(ctx);
14887 break;
14888 case POOL16D:
14889 switch (ctx->opcode & 0x1) {
14890 case ADDIUS5:
14891 gen_addius5(ctx);
14892 break;
14893 case ADDIUSP:
14894 gen_addiusp(ctx);
14895 break;
14896 }
14897 break;
14898 case POOL16E:
14899 switch (ctx->opcode & 0x1) {
14900 case ADDIUR2:
14901 gen_addiur2(ctx);
14902 break;
14903 case ADDIUR1SP:
14904 gen_addiur1sp(ctx);
14905 break;
14906 }
14907 break;
14908 case B16: /* BC16 */
14909 gen_compute_branch(ctx, OPC_BEQ, 2, 0, 0,
14910 sextract32(ctx->opcode, 0, 10) << 1,
14911 (ctx->insn_flags & ISA_MIPS32R6) ? 0 : 4);
14912 break;
14913 case BNEZ16: /* BNEZC16 */
14914 case BEQZ16: /* BEQZC16 */
14915 gen_compute_branch(ctx, op == BNEZ16 ? OPC_BNE : OPC_BEQ, 2,
14916 mmreg(uMIPS_RD(ctx->opcode)),
14917 0, sextract32(ctx->opcode, 0, 7) << 1,
14918 (ctx->insn_flags & ISA_MIPS32R6) ? 0 : 4);
14919
14920 break;
14921 case LI16:
14922 {
14923 int reg = mmreg(uMIPS_RD(ctx->opcode));
14924 int imm = ZIMM(ctx->opcode, 0, 7);
14925
14926 imm = (imm == 0x7f ? -1 : imm);
14927 tcg_gen_movi_tl(cpu_gpr[reg], imm);
14928 }
14929 break;
14930 case RES_29:
14931 case RES_31:
14932 case RES_39:
14933 generate_exception_end(ctx, EXCP_RI);
14934 break;
14935 default:
14936 decode_micromips32_opc(env, ctx);
14937 return 4;
14938 }
14939
14940 return 2;
14941 }
14942
14943 /* SmartMIPS extension to MIPS32 */
14944
14945 #if defined(TARGET_MIPS64)
14946
14947 /* MDMX extension to MIPS64 */
14948
14949 #endif
14950
14951 /* MIPSDSP functions. */
14952 static void gen_mipsdsp_ld(DisasContext *ctx, uint32_t opc,
14953 int rd, int base, int offset)
14954 {
14955 TCGv t0;
14956
14957 check_dsp(ctx);
14958 t0 = tcg_temp_new();
14959
14960 if (base == 0) {
14961 gen_load_gpr(t0, offset);
14962 } else if (offset == 0) {
14963 gen_load_gpr(t0, base);
14964 } else {
14965 gen_op_addr_add(ctx, t0, cpu_gpr[base], cpu_gpr[offset]);
14966 }
14967
14968 switch (opc) {
14969 case OPC_LBUX:
14970 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_UB);
14971 gen_store_gpr(t0, rd);
14972 break;
14973 case OPC_LHX:
14974 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESW);
14975 gen_store_gpr(t0, rd);
14976 break;
14977 case OPC_LWX:
14978 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESL);
14979 gen_store_gpr(t0, rd);
14980 break;
14981 #if defined(TARGET_MIPS64)
14982 case OPC_LDX:
14983 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ);
14984 gen_store_gpr(t0, rd);
14985 break;
14986 #endif
14987 }
14988 tcg_temp_free(t0);
14989 }
14990
14991 static void gen_mipsdsp_arith(DisasContext *ctx, uint32_t op1, uint32_t op2,
14992 int ret, int v1, int v2)
14993 {
14994 TCGv v1_t;
14995 TCGv v2_t;
14996
14997 if (ret == 0) {
14998 /* Treat as NOP. */
14999 return;
15000 }
15001
15002 v1_t = tcg_temp_new();
15003 v2_t = tcg_temp_new();
15004
15005 gen_load_gpr(v1_t, v1);
15006 gen_load_gpr(v2_t, v2);
15007
15008 switch (op1) {
15009 /* OPC_MULT_G_2E is equal OPC_ADDUH_QB_DSP */
15010 case OPC_MULT_G_2E:
15011 check_dspr2(ctx);
15012 switch (op2) {
15013 case OPC_ADDUH_QB:
15014 gen_helper_adduh_qb(cpu_gpr[ret], v1_t, v2_t);
15015 break;
15016 case OPC_ADDUH_R_QB:
15017 gen_helper_adduh_r_qb(cpu_gpr[ret], v1_t, v2_t);
15018 break;
15019 case OPC_ADDQH_PH:
15020 gen_helper_addqh_ph(cpu_gpr[ret], v1_t, v2_t);
15021 break;
15022 case OPC_ADDQH_R_PH:
15023 gen_helper_addqh_r_ph(cpu_gpr[ret], v1_t, v2_t);
15024 break;
15025 case OPC_ADDQH_W:
15026 gen_helper_addqh_w(cpu_gpr[ret], v1_t, v2_t);
15027 break;
15028 case OPC_ADDQH_R_W:
15029 gen_helper_addqh_r_w(cpu_gpr[ret], v1_t, v2_t);
15030 break;
15031 case OPC_SUBUH_QB:
15032 gen_helper_subuh_qb(cpu_gpr[ret], v1_t, v2_t);
15033 break;
15034 case OPC_SUBUH_R_QB:
15035 gen_helper_subuh_r_qb(cpu_gpr[ret], v1_t, v2_t);
15036 break;
15037 case OPC_SUBQH_PH:
15038 gen_helper_subqh_ph(cpu_gpr[ret], v1_t, v2_t);
15039 break;
15040 case OPC_SUBQH_R_PH:
15041 gen_helper_subqh_r_ph(cpu_gpr[ret], v1_t, v2_t);
15042 break;
15043 case OPC_SUBQH_W:
15044 gen_helper_subqh_w(cpu_gpr[ret], v1_t, v2_t);
15045 break;
15046 case OPC_SUBQH_R_W:
15047 gen_helper_subqh_r_w(cpu_gpr[ret], v1_t, v2_t);
15048 break;
15049 }
15050 break;
15051 case OPC_ABSQ_S_PH_DSP:
15052 switch (op2) {
15053 case OPC_ABSQ_S_QB:
15054 check_dspr2(ctx);
15055 gen_helper_absq_s_qb(cpu_gpr[ret], v2_t, cpu_env);
15056 break;
15057 case OPC_ABSQ_S_PH:
15058 check_dsp(ctx);
15059 gen_helper_absq_s_ph(cpu_gpr[ret], v2_t, cpu_env);
15060 break;
15061 case OPC_ABSQ_S_W:
15062 check_dsp(ctx);
15063 gen_helper_absq_s_w(cpu_gpr[ret], v2_t, cpu_env);
15064 break;
15065 case OPC_PRECEQ_W_PHL:
15066 check_dsp(ctx);
15067 tcg_gen_andi_tl(cpu_gpr[ret], v2_t, 0xFFFF0000);
15068 tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]);
15069 break;
15070 case OPC_PRECEQ_W_PHR:
15071 check_dsp(ctx);
15072 tcg_gen_andi_tl(cpu_gpr[ret], v2_t, 0x0000FFFF);
15073 tcg_gen_shli_tl(cpu_gpr[ret], cpu_gpr[ret], 16);
15074 tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]);
15075 break;
15076 case OPC_PRECEQU_PH_QBL:
15077 check_dsp(ctx);
15078 gen_helper_precequ_ph_qbl(cpu_gpr[ret], v2_t);
15079 break;
15080 case OPC_PRECEQU_PH_QBR:
15081 check_dsp(ctx);
15082 gen_helper_precequ_ph_qbr(cpu_gpr[ret], v2_t);
15083 break;
15084 case OPC_PRECEQU_PH_QBLA:
15085 check_dsp(ctx);
15086 gen_helper_precequ_ph_qbla(cpu_gpr[ret], v2_t);
15087 break;
15088 case OPC_PRECEQU_PH_QBRA:
15089 check_dsp(ctx);
15090 gen_helper_precequ_ph_qbra(cpu_gpr[ret], v2_t);
15091 break;
15092 case OPC_PRECEU_PH_QBL:
15093 check_dsp(ctx);
15094 gen_helper_preceu_ph_qbl(cpu_gpr[ret], v2_t);
15095 break;
15096 case OPC_PRECEU_PH_QBR:
15097 check_dsp(ctx);
15098 gen_helper_preceu_ph_qbr(cpu_gpr[ret], v2_t);
15099 break;
15100 case OPC_PRECEU_PH_QBLA:
15101 check_dsp(ctx);
15102 gen_helper_preceu_ph_qbla(cpu_gpr[ret], v2_t);
15103 break;
15104 case OPC_PRECEU_PH_QBRA:
15105 check_dsp(ctx);
15106 gen_helper_preceu_ph_qbra(cpu_gpr[ret], v2_t);
15107 break;
15108 }
15109 break;
15110 case OPC_ADDU_QB_DSP:
15111 switch (op2) {
15112 case OPC_ADDQ_PH:
15113 check_dsp(ctx);
15114 gen_helper_addq_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15115 break;
15116 case OPC_ADDQ_S_PH:
15117 check_dsp(ctx);
15118 gen_helper_addq_s_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15119 break;
15120 case OPC_ADDQ_S_W:
15121 check_dsp(ctx);
15122 gen_helper_addq_s_w(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15123 break;
15124 case OPC_ADDU_QB:
15125 check_dsp(ctx);
15126 gen_helper_addu_qb(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15127 break;
15128 case OPC_ADDU_S_QB:
15129 check_dsp(ctx);
15130 gen_helper_addu_s_qb(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15131 break;
15132 case OPC_ADDU_PH:
15133 check_dspr2(ctx);
15134 gen_helper_addu_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15135 break;
15136 case OPC_ADDU_S_PH:
15137 check_dspr2(ctx);
15138 gen_helper_addu_s_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15139 break;
15140 case OPC_SUBQ_PH:
15141 check_dsp(ctx);
15142 gen_helper_subq_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15143 break;
15144 case OPC_SUBQ_S_PH:
15145 check_dsp(ctx);
15146 gen_helper_subq_s_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15147 break;
15148 case OPC_SUBQ_S_W:
15149 check_dsp(ctx);
15150 gen_helper_subq_s_w(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15151 break;
15152 case OPC_SUBU_QB:
15153 check_dsp(ctx);
15154 gen_helper_subu_qb(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15155 break;
15156 case OPC_SUBU_S_QB:
15157 check_dsp(ctx);
15158 gen_helper_subu_s_qb(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15159 break;
15160 case OPC_SUBU_PH:
15161 check_dspr2(ctx);
15162 gen_helper_subu_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15163 break;
15164 case OPC_SUBU_S_PH:
15165 check_dspr2(ctx);
15166 gen_helper_subu_s_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15167 break;
15168 case OPC_ADDSC:
15169 check_dsp(ctx);
15170 gen_helper_addsc(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15171 break;
15172 case OPC_ADDWC:
15173 check_dsp(ctx);
15174 gen_helper_addwc(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15175 break;
15176 case OPC_MODSUB:
15177 check_dsp(ctx);
15178 gen_helper_modsub(cpu_gpr[ret], v1_t, v2_t);
15179 break;
15180 case OPC_RADDU_W_QB:
15181 check_dsp(ctx);
15182 gen_helper_raddu_w_qb(cpu_gpr[ret], v1_t);
15183 break;
15184 }
15185 break;
15186 case OPC_CMPU_EQ_QB_DSP:
15187 switch (op2) {
15188 case OPC_PRECR_QB_PH:
15189 check_dspr2(ctx);
15190 gen_helper_precr_qb_ph(cpu_gpr[ret], v1_t, v2_t);
15191 break;
15192 case OPC_PRECRQ_QB_PH:
15193 check_dsp(ctx);
15194 gen_helper_precrq_qb_ph(cpu_gpr[ret], v1_t, v2_t);
15195 break;
15196 case OPC_PRECR_SRA_PH_W:
15197 check_dspr2(ctx);
15198 {
15199 TCGv_i32 sa_t = tcg_const_i32(v2);
15200 gen_helper_precr_sra_ph_w(cpu_gpr[ret], sa_t, v1_t,
15201 cpu_gpr[ret]);
15202 tcg_temp_free_i32(sa_t);
15203 break;
15204 }
15205 case OPC_PRECR_SRA_R_PH_W:
15206 check_dspr2(ctx);
15207 {
15208 TCGv_i32 sa_t = tcg_const_i32(v2);
15209 gen_helper_precr_sra_r_ph_w(cpu_gpr[ret], sa_t, v1_t,
15210 cpu_gpr[ret]);
15211 tcg_temp_free_i32(sa_t);
15212 break;
15213 }
15214 case OPC_PRECRQ_PH_W:
15215 check_dsp(ctx);
15216 gen_helper_precrq_ph_w(cpu_gpr[ret], v1_t, v2_t);
15217 break;
15218 case OPC_PRECRQ_RS_PH_W:
15219 check_dsp(ctx);
15220 gen_helper_precrq_rs_ph_w(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15221 break;
15222 case OPC_PRECRQU_S_QB_PH:
15223 check_dsp(ctx);
15224 gen_helper_precrqu_s_qb_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15225 break;
15226 }
15227 break;
15228 #ifdef TARGET_MIPS64
15229 case OPC_ABSQ_S_QH_DSP:
15230 switch (op2) {
15231 case OPC_PRECEQ_L_PWL:
15232 check_dsp(ctx);
15233 tcg_gen_andi_tl(cpu_gpr[ret], v2_t, 0xFFFFFFFF00000000ull);
15234 break;
15235 case OPC_PRECEQ_L_PWR:
15236 check_dsp(ctx);
15237 tcg_gen_shli_tl(cpu_gpr[ret], v2_t, 32);
15238 break;
15239 case OPC_PRECEQ_PW_QHL:
15240 check_dsp(ctx);
15241 gen_helper_preceq_pw_qhl(cpu_gpr[ret], v2_t);
15242 break;
15243 case OPC_PRECEQ_PW_QHR:
15244 check_dsp(ctx);
15245 gen_helper_preceq_pw_qhr(cpu_gpr[ret], v2_t);
15246 break;
15247 case OPC_PRECEQ_PW_QHLA:
15248 check_dsp(ctx);
15249 gen_helper_preceq_pw_qhla(cpu_gpr[ret], v2_t);
15250 break;
15251 case OPC_PRECEQ_PW_QHRA:
15252 check_dsp(ctx);
15253 gen_helper_preceq_pw_qhra(cpu_gpr[ret], v2_t);
15254 break;
15255 case OPC_PRECEQU_QH_OBL:
15256 check_dsp(ctx);
15257 gen_helper_precequ_qh_obl(cpu_gpr[ret], v2_t);
15258 break;
15259 case OPC_PRECEQU_QH_OBR:
15260 check_dsp(ctx);
15261 gen_helper_precequ_qh_obr(cpu_gpr[ret], v2_t);
15262 break;
15263 case OPC_PRECEQU_QH_OBLA:
15264 check_dsp(ctx);
15265 gen_helper_precequ_qh_obla(cpu_gpr[ret], v2_t);
15266 break;
15267 case OPC_PRECEQU_QH_OBRA:
15268 check_dsp(ctx);
15269 gen_helper_precequ_qh_obra(cpu_gpr[ret], v2_t);
15270 break;
15271 case OPC_PRECEU_QH_OBL:
15272 check_dsp(ctx);
15273 gen_helper_preceu_qh_obl(cpu_gpr[ret], v2_t);
15274 break;
15275 case OPC_PRECEU_QH_OBR:
15276 check_dsp(ctx);
15277 gen_helper_preceu_qh_obr(cpu_gpr[ret], v2_t);
15278 break;
15279 case OPC_PRECEU_QH_OBLA:
15280 check_dsp(ctx);
15281 gen_helper_preceu_qh_obla(cpu_gpr[ret], v2_t);
15282 break;
15283 case OPC_PRECEU_QH_OBRA:
15284 check_dsp(ctx);
15285 gen_helper_preceu_qh_obra(cpu_gpr[ret], v2_t);
15286 break;
15287 case OPC_ABSQ_S_OB:
15288 check_dspr2(ctx);
15289 gen_helper_absq_s_ob(cpu_gpr[ret], v2_t, cpu_env);
15290 break;
15291 case OPC_ABSQ_S_PW:
15292 check_dsp(ctx);
15293 gen_helper_absq_s_pw(cpu_gpr[ret], v2_t, cpu_env);
15294 break;
15295 case OPC_ABSQ_S_QH:
15296 check_dsp(ctx);
15297 gen_helper_absq_s_qh(cpu_gpr[ret], v2_t, cpu_env);
15298 break;
15299 }
15300 break;
15301 case OPC_ADDU_OB_DSP:
15302 switch (op2) {
15303 case OPC_RADDU_L_OB:
15304 check_dsp(ctx);
15305 gen_helper_raddu_l_ob(cpu_gpr[ret], v1_t);
15306 break;
15307 case OPC_SUBQ_PW:
15308 check_dsp(ctx);
15309 gen_helper_subq_pw(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15310 break;
15311 case OPC_SUBQ_S_PW:
15312 check_dsp(ctx);
15313 gen_helper_subq_s_pw(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15314 break;
15315 case OPC_SUBQ_QH:
15316 check_dsp(ctx);
15317 gen_helper_subq_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15318 break;
15319 case OPC_SUBQ_S_QH:
15320 check_dsp(ctx);
15321 gen_helper_subq_s_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15322 break;
15323 case OPC_SUBU_OB:
15324 check_dsp(ctx);
15325 gen_helper_subu_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15326 break;
15327 case OPC_SUBU_S_OB:
15328 check_dsp(ctx);
15329 gen_helper_subu_s_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15330 break;
15331 case OPC_SUBU_QH:
15332 check_dspr2(ctx);
15333 gen_helper_subu_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15334 break;
15335 case OPC_SUBU_S_QH:
15336 check_dspr2(ctx);
15337 gen_helper_subu_s_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15338 break;
15339 case OPC_SUBUH_OB:
15340 check_dspr2(ctx);
15341 gen_helper_subuh_ob(cpu_gpr[ret], v1_t, v2_t);
15342 break;
15343 case OPC_SUBUH_R_OB:
15344 check_dspr2(ctx);
15345 gen_helper_subuh_r_ob(cpu_gpr[ret], v1_t, v2_t);
15346 break;
15347 case OPC_ADDQ_PW:
15348 check_dsp(ctx);
15349 gen_helper_addq_pw(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15350 break;
15351 case OPC_ADDQ_S_PW:
15352 check_dsp(ctx);
15353 gen_helper_addq_s_pw(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15354 break;
15355 case OPC_ADDQ_QH:
15356 check_dsp(ctx);
15357 gen_helper_addq_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15358 break;
15359 case OPC_ADDQ_S_QH:
15360 check_dsp(ctx);
15361 gen_helper_addq_s_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15362 break;
15363 case OPC_ADDU_OB:
15364 check_dsp(ctx);
15365 gen_helper_addu_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15366 break;
15367 case OPC_ADDU_S_OB:
15368 check_dsp(ctx);
15369 gen_helper_addu_s_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15370 break;
15371 case OPC_ADDU_QH:
15372 check_dspr2(ctx);
15373 gen_helper_addu_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15374 break;
15375 case OPC_ADDU_S_QH:
15376 check_dspr2(ctx);
15377 gen_helper_addu_s_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15378 break;
15379 case OPC_ADDUH_OB:
15380 check_dspr2(ctx);
15381 gen_helper_adduh_ob(cpu_gpr[ret], v1_t, v2_t);
15382 break;
15383 case OPC_ADDUH_R_OB:
15384 check_dspr2(ctx);
15385 gen_helper_adduh_r_ob(cpu_gpr[ret], v1_t, v2_t);
15386 break;
15387 }
15388 break;
15389 case OPC_CMPU_EQ_OB_DSP:
15390 switch (op2) {
15391 case OPC_PRECR_OB_QH:
15392 check_dspr2(ctx);
15393 gen_helper_precr_ob_qh(cpu_gpr[ret], v1_t, v2_t);
15394 break;
15395 case OPC_PRECR_SRA_QH_PW:
15396 check_dspr2(ctx);
15397 {
15398 TCGv_i32 ret_t = tcg_const_i32(ret);
15399 gen_helper_precr_sra_qh_pw(v2_t, v1_t, v2_t, ret_t);
15400 tcg_temp_free_i32(ret_t);
15401 break;
15402 }
15403 case OPC_PRECR_SRA_R_QH_PW:
15404 check_dspr2(ctx);
15405 {
15406 TCGv_i32 sa_v = tcg_const_i32(ret);
15407 gen_helper_precr_sra_r_qh_pw(v2_t, v1_t, v2_t, sa_v);
15408 tcg_temp_free_i32(sa_v);
15409 break;
15410 }
15411 case OPC_PRECRQ_OB_QH:
15412 check_dsp(ctx);
15413 gen_helper_precrq_ob_qh(cpu_gpr[ret], v1_t, v2_t);
15414 break;
15415 case OPC_PRECRQ_PW_L:
15416 check_dsp(ctx);
15417 gen_helper_precrq_pw_l(cpu_gpr[ret], v1_t, v2_t);
15418 break;
15419 case OPC_PRECRQ_QH_PW:
15420 check_dsp(ctx);
15421 gen_helper_precrq_qh_pw(cpu_gpr[ret], v1_t, v2_t);
15422 break;
15423 case OPC_PRECRQ_RS_QH_PW:
15424 check_dsp(ctx);
15425 gen_helper_precrq_rs_qh_pw(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15426 break;
15427 case OPC_PRECRQU_S_OB_QH:
15428 check_dsp(ctx);
15429 gen_helper_precrqu_s_ob_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15430 break;
15431 }
15432 break;
15433 #endif
15434 }
15435
15436 tcg_temp_free(v1_t);
15437 tcg_temp_free(v2_t);
15438 }
15439
15440 static void gen_mipsdsp_shift(DisasContext *ctx, uint32_t opc,
15441 int ret, int v1, int v2)
15442 {
15443 uint32_t op2;
15444 TCGv t0;
15445 TCGv v1_t;
15446 TCGv v2_t;
15447
15448 if (ret == 0) {
15449 /* Treat as NOP. */
15450 return;
15451 }
15452
15453 t0 = tcg_temp_new();
15454 v1_t = tcg_temp_new();
15455 v2_t = tcg_temp_new();
15456
15457 tcg_gen_movi_tl(t0, v1);
15458 gen_load_gpr(v1_t, v1);
15459 gen_load_gpr(v2_t, v2);
15460
15461 switch (opc) {
15462 case OPC_SHLL_QB_DSP:
15463 {
15464 op2 = MASK_SHLL_QB(ctx->opcode);
15465 switch (op2) {
15466 case OPC_SHLL_QB:
15467 check_dsp(ctx);
15468 gen_helper_shll_qb(cpu_gpr[ret], t0, v2_t, cpu_env);
15469 break;
15470 case OPC_SHLLV_QB:
15471 check_dsp(ctx);
15472 gen_helper_shll_qb(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15473 break;
15474 case OPC_SHLL_PH:
15475 check_dsp(ctx);
15476 gen_helper_shll_ph(cpu_gpr[ret], t0, v2_t, cpu_env);
15477 break;
15478 case OPC_SHLLV_PH:
15479 check_dsp(ctx);
15480 gen_helper_shll_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15481 break;
15482 case OPC_SHLL_S_PH:
15483 check_dsp(ctx);
15484 gen_helper_shll_s_ph(cpu_gpr[ret], t0, v2_t, cpu_env);
15485 break;
15486 case OPC_SHLLV_S_PH:
15487 check_dsp(ctx);
15488 gen_helper_shll_s_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15489 break;
15490 case OPC_SHLL_S_W:
15491 check_dsp(ctx);
15492 gen_helper_shll_s_w(cpu_gpr[ret], t0, v2_t, cpu_env);
15493 break;
15494 case OPC_SHLLV_S_W:
15495 check_dsp(ctx);
15496 gen_helper_shll_s_w(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15497 break;
15498 case OPC_SHRL_QB:
15499 check_dsp(ctx);
15500 gen_helper_shrl_qb(cpu_gpr[ret], t0, v2_t);
15501 break;
15502 case OPC_SHRLV_QB:
15503 check_dsp(ctx);
15504 gen_helper_shrl_qb(cpu_gpr[ret], v1_t, v2_t);
15505 break;
15506 case OPC_SHRL_PH:
15507 check_dspr2(ctx);
15508 gen_helper_shrl_ph(cpu_gpr[ret], t0, v2_t);
15509 break;
15510 case OPC_SHRLV_PH:
15511 check_dspr2(ctx);
15512 gen_helper_shrl_ph(cpu_gpr[ret], v1_t, v2_t);
15513 break;
15514 case OPC_SHRA_QB:
15515 check_dspr2(ctx);
15516 gen_helper_shra_qb(cpu_gpr[ret], t0, v2_t);
15517 break;
15518 case OPC_SHRA_R_QB:
15519 check_dspr2(ctx);
15520 gen_helper_shra_r_qb(cpu_gpr[ret], t0, v2_t);
15521 break;
15522 case OPC_SHRAV_QB:
15523 check_dspr2(ctx);
15524 gen_helper_shra_qb(cpu_gpr[ret], v1_t, v2_t);
15525 break;
15526 case OPC_SHRAV_R_QB:
15527 check_dspr2(ctx);
15528 gen_helper_shra_r_qb(cpu_gpr[ret], v1_t, v2_t);
15529 break;
15530 case OPC_SHRA_PH:
15531 check_dsp(ctx);
15532 gen_helper_shra_ph(cpu_gpr[ret], t0, v2_t);
15533 break;
15534 case OPC_SHRA_R_PH:
15535 check_dsp(ctx);
15536 gen_helper_shra_r_ph(cpu_gpr[ret], t0, v2_t);
15537 break;
15538 case OPC_SHRAV_PH:
15539 check_dsp(ctx);
15540 gen_helper_shra_ph(cpu_gpr[ret], v1_t, v2_t);
15541 break;
15542 case OPC_SHRAV_R_PH:
15543 check_dsp(ctx);
15544 gen_helper_shra_r_ph(cpu_gpr[ret], v1_t, v2_t);
15545 break;
15546 case OPC_SHRA_R_W:
15547 check_dsp(ctx);
15548 gen_helper_shra_r_w(cpu_gpr[ret], t0, v2_t);
15549 break;
15550 case OPC_SHRAV_R_W:
15551 check_dsp(ctx);
15552 gen_helper_shra_r_w(cpu_gpr[ret], v1_t, v2_t);
15553 break;
15554 default: /* Invalid */
15555 MIPS_INVAL("MASK SHLL.QB");
15556 generate_exception_end(ctx, EXCP_RI);
15557 break;
15558 }
15559 break;
15560 }
15561 #ifdef TARGET_MIPS64
15562 case OPC_SHLL_OB_DSP:
15563 op2 = MASK_SHLL_OB(ctx->opcode);
15564 switch (op2) {
15565 case OPC_SHLL_PW:
15566 check_dsp(ctx);
15567 gen_helper_shll_pw(cpu_gpr[ret], v2_t, t0, cpu_env);
15568 break;
15569 case OPC_SHLLV_PW:
15570 check_dsp(ctx);
15571 gen_helper_shll_pw(cpu_gpr[ret], v2_t, v1_t, cpu_env);
15572 break;
15573 case OPC_SHLL_S_PW:
15574 check_dsp(ctx);
15575 gen_helper_shll_s_pw(cpu_gpr[ret], v2_t, t0, cpu_env);
15576 break;
15577 case OPC_SHLLV_S_PW:
15578 check_dsp(ctx);
15579 gen_helper_shll_s_pw(cpu_gpr[ret], v2_t, v1_t, cpu_env);
15580 break;
15581 case OPC_SHLL_OB:
15582 check_dsp(ctx);
15583 gen_helper_shll_ob(cpu_gpr[ret], v2_t, t0, cpu_env);
15584 break;
15585 case OPC_SHLLV_OB:
15586 check_dsp(ctx);
15587 gen_helper_shll_ob(cpu_gpr[ret], v2_t, v1_t, cpu_env);
15588 break;
15589 case OPC_SHLL_QH:
15590 check_dsp(ctx);
15591 gen_helper_shll_qh(cpu_gpr[ret], v2_t, t0, cpu_env);
15592 break;
15593 case OPC_SHLLV_QH:
15594 check_dsp(ctx);
15595 gen_helper_shll_qh(cpu_gpr[ret], v2_t, v1_t, cpu_env);
15596 break;
15597 case OPC_SHLL_S_QH:
15598 check_dsp(ctx);
15599 gen_helper_shll_s_qh(cpu_gpr[ret], v2_t, t0, cpu_env);
15600 break;
15601 case OPC_SHLLV_S_QH:
15602 check_dsp(ctx);
15603 gen_helper_shll_s_qh(cpu_gpr[ret], v2_t, v1_t, cpu_env);
15604 break;
15605 case OPC_SHRA_OB:
15606 check_dspr2(ctx);
15607 gen_helper_shra_ob(cpu_gpr[ret], v2_t, t0);
15608 break;
15609 case OPC_SHRAV_OB:
15610 check_dspr2(ctx);
15611 gen_helper_shra_ob(cpu_gpr[ret], v2_t, v1_t);
15612 break;
15613 case OPC_SHRA_R_OB:
15614 check_dspr2(ctx);
15615 gen_helper_shra_r_ob(cpu_gpr[ret], v2_t, t0);
15616 break;
15617 case OPC_SHRAV_R_OB:
15618 check_dspr2(ctx);
15619 gen_helper_shra_r_ob(cpu_gpr[ret], v2_t, v1_t);
15620 break;
15621 case OPC_SHRA_PW:
15622 check_dsp(ctx);
15623 gen_helper_shra_pw(cpu_gpr[ret], v2_t, t0);
15624 break;
15625 case OPC_SHRAV_PW:
15626 check_dsp(ctx);
15627 gen_helper_shra_pw(cpu_gpr[ret], v2_t, v1_t);
15628 break;
15629 case OPC_SHRA_R_PW:
15630 check_dsp(ctx);
15631 gen_helper_shra_r_pw(cpu_gpr[ret], v2_t, t0);
15632 break;
15633 case OPC_SHRAV_R_PW:
15634 check_dsp(ctx);
15635 gen_helper_shra_r_pw(cpu_gpr[ret], v2_t, v1_t);
15636 break;
15637 case OPC_SHRA_QH:
15638 check_dsp(ctx);
15639 gen_helper_shra_qh(cpu_gpr[ret], v2_t, t0);
15640 break;
15641 case OPC_SHRAV_QH:
15642 check_dsp(ctx);
15643 gen_helper_shra_qh(cpu_gpr[ret], v2_t, v1_t);
15644 break;
15645 case OPC_SHRA_R_QH:
15646 check_dsp(ctx);
15647 gen_helper_shra_r_qh(cpu_gpr[ret], v2_t, t0);
15648 break;
15649 case OPC_SHRAV_R_QH:
15650 check_dsp(ctx);
15651 gen_helper_shra_r_qh(cpu_gpr[ret], v2_t, v1_t);
15652 break;
15653 case OPC_SHRL_OB:
15654 check_dsp(ctx);
15655 gen_helper_shrl_ob(cpu_gpr[ret], v2_t, t0);
15656 break;
15657 case OPC_SHRLV_OB:
15658 check_dsp(ctx);
15659 gen_helper_shrl_ob(cpu_gpr[ret], v2_t, v1_t);
15660 break;
15661 case OPC_SHRL_QH:
15662 check_dspr2(ctx);
15663 gen_helper_shrl_qh(cpu_gpr[ret], v2_t, t0);
15664 break;
15665 case OPC_SHRLV_QH:
15666 check_dspr2(ctx);
15667 gen_helper_shrl_qh(cpu_gpr[ret], v2_t, v1_t);
15668 break;
15669 default: /* Invalid */
15670 MIPS_INVAL("MASK SHLL.OB");
15671 generate_exception_end(ctx, EXCP_RI);
15672 break;
15673 }
15674 break;
15675 #endif
15676 }
15677
15678 tcg_temp_free(t0);
15679 tcg_temp_free(v1_t);
15680 tcg_temp_free(v2_t);
15681 }
15682
15683 static void gen_mipsdsp_multiply(DisasContext *ctx, uint32_t op1, uint32_t op2,
15684 int ret, int v1, int v2, int check_ret)
15685 {
15686 TCGv_i32 t0;
15687 TCGv v1_t;
15688 TCGv v2_t;
15689
15690 if ((ret == 0) && (check_ret == 1)) {
15691 /* Treat as NOP. */
15692 return;
15693 }
15694
15695 t0 = tcg_temp_new_i32();
15696 v1_t = tcg_temp_new();
15697 v2_t = tcg_temp_new();
15698
15699 tcg_gen_movi_i32(t0, ret);
15700 gen_load_gpr(v1_t, v1);
15701 gen_load_gpr(v2_t, v2);
15702
15703 switch (op1) {
15704 /* OPC_MULT_G_2E, OPC_ADDUH_QB_DSP, OPC_MUL_PH_DSP have
15705 * the same mask and op1. */
15706 case OPC_MULT_G_2E:
15707 check_dspr2(ctx);
15708 switch (op2) {
15709 case OPC_MUL_PH:
15710 gen_helper_mul_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15711 break;
15712 case OPC_MUL_S_PH:
15713 gen_helper_mul_s_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15714 break;
15715 case OPC_MULQ_S_W:
15716 gen_helper_mulq_s_w(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15717 break;
15718 case OPC_MULQ_RS_W:
15719 gen_helper_mulq_rs_w(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15720 break;
15721 }
15722 break;
15723 case OPC_DPA_W_PH_DSP:
15724 switch (op2) {
15725 case OPC_DPAU_H_QBL:
15726 check_dsp(ctx);
15727 gen_helper_dpau_h_qbl(t0, v1_t, v2_t, cpu_env);
15728 break;
15729 case OPC_DPAU_H_QBR:
15730 check_dsp(ctx);
15731 gen_helper_dpau_h_qbr(t0, v1_t, v2_t, cpu_env);
15732 break;
15733 case OPC_DPSU_H_QBL:
15734 check_dsp(ctx);
15735 gen_helper_dpsu_h_qbl(t0, v1_t, v2_t, cpu_env);
15736 break;
15737 case OPC_DPSU_H_QBR:
15738 check_dsp(ctx);
15739 gen_helper_dpsu_h_qbr(t0, v1_t, v2_t, cpu_env);
15740 break;
15741 case OPC_DPA_W_PH:
15742 check_dspr2(ctx);
15743 gen_helper_dpa_w_ph(t0, v1_t, v2_t, cpu_env);
15744 break;
15745 case OPC_DPAX_W_PH:
15746 check_dspr2(ctx);
15747 gen_helper_dpax_w_ph(t0, v1_t, v2_t, cpu_env);
15748 break;
15749 case OPC_DPAQ_S_W_PH:
15750 check_dsp(ctx);
15751 gen_helper_dpaq_s_w_ph(t0, v1_t, v2_t, cpu_env);
15752 break;
15753 case OPC_DPAQX_S_W_PH:
15754 check_dspr2(ctx);
15755 gen_helper_dpaqx_s_w_ph(t0, v1_t, v2_t, cpu_env);
15756 break;
15757 case OPC_DPAQX_SA_W_PH:
15758 check_dspr2(ctx);
15759 gen_helper_dpaqx_sa_w_ph(t0, v1_t, v2_t, cpu_env);
15760 break;
15761 case OPC_DPS_W_PH:
15762 check_dspr2(ctx);
15763 gen_helper_dps_w_ph(t0, v1_t, v2_t, cpu_env);
15764 break;
15765 case OPC_DPSX_W_PH:
15766 check_dspr2(ctx);
15767 gen_helper_dpsx_w_ph(t0, v1_t, v2_t, cpu_env);
15768 break;
15769 case OPC_DPSQ_S_W_PH:
15770 check_dsp(ctx);
15771 gen_helper_dpsq_s_w_ph(t0, v1_t, v2_t, cpu_env);
15772 break;
15773 case OPC_DPSQX_S_W_PH:
15774 check_dspr2(ctx);
15775 gen_helper_dpsqx_s_w_ph(t0, v1_t, v2_t, cpu_env);
15776 break;
15777 case OPC_DPSQX_SA_W_PH:
15778 check_dspr2(ctx);
15779 gen_helper_dpsqx_sa_w_ph(t0, v1_t, v2_t, cpu_env);
15780 break;
15781 case OPC_MULSAQ_S_W_PH:
15782 check_dsp(ctx);
15783 gen_helper_mulsaq_s_w_ph(t0, v1_t, v2_t, cpu_env);
15784 break;
15785 case OPC_DPAQ_SA_L_W:
15786 check_dsp(ctx);
15787 gen_helper_dpaq_sa_l_w(t0, v1_t, v2_t, cpu_env);
15788 break;
15789 case OPC_DPSQ_SA_L_W:
15790 check_dsp(ctx);
15791 gen_helper_dpsq_sa_l_w(t0, v1_t, v2_t, cpu_env);
15792 break;
15793 case OPC_MAQ_S_W_PHL:
15794 check_dsp(ctx);
15795 gen_helper_maq_s_w_phl(t0, v1_t, v2_t, cpu_env);
15796 break;
15797 case OPC_MAQ_S_W_PHR:
15798 check_dsp(ctx);
15799 gen_helper_maq_s_w_phr(t0, v1_t, v2_t, cpu_env);
15800 break;
15801 case OPC_MAQ_SA_W_PHL:
15802 check_dsp(ctx);
15803 gen_helper_maq_sa_w_phl(t0, v1_t, v2_t, cpu_env);
15804 break;
15805 case OPC_MAQ_SA_W_PHR:
15806 check_dsp(ctx);
15807 gen_helper_maq_sa_w_phr(t0, v1_t, v2_t, cpu_env);
15808 break;
15809 case OPC_MULSA_W_PH:
15810 check_dspr2(ctx);
15811 gen_helper_mulsa_w_ph(t0, v1_t, v2_t, cpu_env);
15812 break;
15813 }
15814 break;
15815 #ifdef TARGET_MIPS64
15816 case OPC_DPAQ_W_QH_DSP:
15817 {
15818 int ac = ret & 0x03;
15819 tcg_gen_movi_i32(t0, ac);
15820
15821 switch (op2) {
15822 case OPC_DMADD:
15823 check_dsp(ctx);
15824 gen_helper_dmadd(v1_t, v2_t, t0, cpu_env);
15825 break;
15826 case OPC_DMADDU:
15827 check_dsp(ctx);
15828 gen_helper_dmaddu(v1_t, v2_t, t0, cpu_env);
15829 break;
15830 case OPC_DMSUB:
15831 check_dsp(ctx);
15832 gen_helper_dmsub(v1_t, v2_t, t0, cpu_env);
15833 break;
15834 case OPC_DMSUBU:
15835 check_dsp(ctx);
15836 gen_helper_dmsubu(v1_t, v2_t, t0, cpu_env);
15837 break;
15838 case OPC_DPA_W_QH:
15839 check_dspr2(ctx);
15840 gen_helper_dpa_w_qh(v1_t, v2_t, t0, cpu_env);
15841 break;
15842 case OPC_DPAQ_S_W_QH:
15843 check_dsp(ctx);
15844 gen_helper_dpaq_s_w_qh(v1_t, v2_t, t0, cpu_env);
15845 break;
15846 case OPC_DPAQ_SA_L_PW:
15847 check_dsp(ctx);
15848 gen_helper_dpaq_sa_l_pw(v1_t, v2_t, t0, cpu_env);
15849 break;
15850 case OPC_DPAU_H_OBL:
15851 check_dsp(ctx);
15852 gen_helper_dpau_h_obl(v1_t, v2_t, t0, cpu_env);
15853 break;
15854 case OPC_DPAU_H_OBR:
15855 check_dsp(ctx);
15856 gen_helper_dpau_h_obr(v1_t, v2_t, t0, cpu_env);
15857 break;
15858 case OPC_DPS_W_QH:
15859 check_dspr2(ctx);
15860 gen_helper_dps_w_qh(v1_t, v2_t, t0, cpu_env);
15861 break;
15862 case OPC_DPSQ_S_W_QH:
15863 check_dsp(ctx);
15864 gen_helper_dpsq_s_w_qh(v1_t, v2_t, t0, cpu_env);
15865 break;
15866 case OPC_DPSQ_SA_L_PW:
15867 check_dsp(ctx);
15868 gen_helper_dpsq_sa_l_pw(v1_t, v2_t, t0, cpu_env);
15869 break;
15870 case OPC_DPSU_H_OBL:
15871 check_dsp(ctx);
15872 gen_helper_dpsu_h_obl(v1_t, v2_t, t0, cpu_env);
15873 break;
15874 case OPC_DPSU_H_OBR:
15875 check_dsp(ctx);
15876 gen_helper_dpsu_h_obr(v1_t, v2_t, t0, cpu_env);
15877 break;
15878 case OPC_MAQ_S_L_PWL:
15879 check_dsp(ctx);
15880 gen_helper_maq_s_l_pwl(v1_t, v2_t, t0, cpu_env);
15881 break;
15882 case OPC_MAQ_S_L_PWR:
15883 check_dsp(ctx);
15884 gen_helper_maq_s_l_pwr(v1_t, v2_t, t0, cpu_env);
15885 break;
15886 case OPC_MAQ_S_W_QHLL:
15887 check_dsp(ctx);
15888 gen_helper_maq_s_w_qhll(v1_t, v2_t, t0, cpu_env);
15889 break;
15890 case OPC_MAQ_SA_W_QHLL:
15891 check_dsp(ctx);
15892 gen_helper_maq_sa_w_qhll(v1_t, v2_t, t0, cpu_env);
15893 break;
15894 case OPC_MAQ_S_W_QHLR:
15895 check_dsp(ctx);
15896 gen_helper_maq_s_w_qhlr(v1_t, v2_t, t0, cpu_env);
15897 break;
15898 case OPC_MAQ_SA_W_QHLR:
15899 check_dsp(ctx);
15900 gen_helper_maq_sa_w_qhlr(v1_t, v2_t, t0, cpu_env);
15901 break;
15902 case OPC_MAQ_S_W_QHRL:
15903 check_dsp(ctx);
15904 gen_helper_maq_s_w_qhrl(v1_t, v2_t, t0, cpu_env);
15905 break;
15906 case OPC_MAQ_SA_W_QHRL:
15907 check_dsp(ctx);
15908 gen_helper_maq_sa_w_qhrl(v1_t, v2_t, t0, cpu_env);
15909 break;
15910 case OPC_MAQ_S_W_QHRR:
15911 check_dsp(ctx);
15912 gen_helper_maq_s_w_qhrr(v1_t, v2_t, t0, cpu_env);
15913 break;
15914 case OPC_MAQ_SA_W_QHRR:
15915 check_dsp(ctx);
15916 gen_helper_maq_sa_w_qhrr(v1_t, v2_t, t0, cpu_env);
15917 break;
15918 case OPC_MULSAQ_S_L_PW:
15919 check_dsp(ctx);
15920 gen_helper_mulsaq_s_l_pw(v1_t, v2_t, t0, cpu_env);
15921 break;
15922 case OPC_MULSAQ_S_W_QH:
15923 check_dsp(ctx);
15924 gen_helper_mulsaq_s_w_qh(v1_t, v2_t, t0, cpu_env);
15925 break;
15926 }
15927 }
15928 break;
15929 #endif
15930 case OPC_ADDU_QB_DSP:
15931 switch (op2) {
15932 case OPC_MULEU_S_PH_QBL:
15933 check_dsp(ctx);
15934 gen_helper_muleu_s_ph_qbl(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15935 break;
15936 case OPC_MULEU_S_PH_QBR:
15937 check_dsp(ctx);
15938 gen_helper_muleu_s_ph_qbr(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15939 break;
15940 case OPC_MULQ_RS_PH:
15941 check_dsp(ctx);
15942 gen_helper_mulq_rs_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15943 break;
15944 case OPC_MULEQ_S_W_PHL:
15945 check_dsp(ctx);
15946 gen_helper_muleq_s_w_phl(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15947 break;
15948 case OPC_MULEQ_S_W_PHR:
15949 check_dsp(ctx);
15950 gen_helper_muleq_s_w_phr(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15951 break;
15952 case OPC_MULQ_S_PH:
15953 check_dspr2(ctx);
15954 gen_helper_mulq_s_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15955 break;
15956 }
15957 break;
15958 #ifdef TARGET_MIPS64
15959 case OPC_ADDU_OB_DSP:
15960 switch (op2) {
15961 case OPC_MULEQ_S_PW_QHL:
15962 check_dsp(ctx);
15963 gen_helper_muleq_s_pw_qhl(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15964 break;
15965 case OPC_MULEQ_S_PW_QHR:
15966 check_dsp(ctx);
15967 gen_helper_muleq_s_pw_qhr(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15968 break;
15969 case OPC_MULEU_S_QH_OBL:
15970 check_dsp(ctx);
15971 gen_helper_muleu_s_qh_obl(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15972 break;
15973 case OPC_MULEU_S_QH_OBR:
15974 check_dsp(ctx);
15975 gen_helper_muleu_s_qh_obr(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15976 break;
15977 case OPC_MULQ_RS_QH:
15978 check_dsp(ctx);
15979 gen_helper_mulq_rs_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env);
15980 break;
15981 }
15982 break;
15983 #endif
15984 }
15985
15986 tcg_temp_free_i32(t0);
15987 tcg_temp_free(v1_t);
15988 tcg_temp_free(v2_t);
15989 }
15990
15991 static void gen_mipsdsp_bitinsn(DisasContext *ctx, uint32_t op1, uint32_t op2,
15992 int ret, int val)
15993 {
15994 int16_t imm;
15995 TCGv t0;
15996 TCGv val_t;
15997
15998 if (ret == 0) {
15999 /* Treat as NOP. */
16000 return;
16001 }
16002
16003 t0 = tcg_temp_new();
16004 val_t = tcg_temp_new();
16005 gen_load_gpr(val_t, val);
16006
16007 switch (op1) {
16008 case OPC_ABSQ_S_PH_DSP:
16009 switch (op2) {
16010 case OPC_BITREV:
16011 check_dsp(ctx);
16012 gen_helper_bitrev(cpu_gpr[ret], val_t);
16013 break;
16014 case OPC_REPL_QB:
16015 check_dsp(ctx);
16016 {
16017 target_long result;
16018 imm = (ctx->opcode >> 16) & 0xFF;
16019 result = (uint32_t)imm << 24 |
16020 (uint32_t)imm << 16 |
16021 (uint32_t)imm << 8 |
16022 (uint32_t)imm;
16023 result = (int32_t)result;
16024 tcg_gen_movi_tl(cpu_gpr[ret], result);
16025 }
16026 break;
16027 case OPC_REPLV_QB:
16028 check_dsp(ctx);
16029 tcg_gen_ext8u_tl(cpu_gpr[ret], val_t);
16030 tcg_gen_shli_tl(t0, cpu_gpr[ret], 8);
16031 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
16032 tcg_gen_shli_tl(t0, cpu_gpr[ret], 16);
16033 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
16034 tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]);
16035 break;
16036 case OPC_REPL_PH:
16037 check_dsp(ctx);
16038 {
16039 imm = (ctx->opcode >> 16) & 0x03FF;
16040 imm = (int16_t)(imm << 6) >> 6;
16041 tcg_gen_movi_tl(cpu_gpr[ret], \
16042 (target_long)((int32_t)imm << 16 | \
16043 (uint16_t)imm));
16044 }
16045 break;
16046 case OPC_REPLV_PH:
16047 check_dsp(ctx);
16048 tcg_gen_ext16u_tl(cpu_gpr[ret], val_t);
16049 tcg_gen_shli_tl(t0, cpu_gpr[ret], 16);
16050 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
16051 tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]);
16052 break;
16053 }
16054 break;
16055 #ifdef TARGET_MIPS64
16056 case OPC_ABSQ_S_QH_DSP:
16057 switch (op2) {
16058 case OPC_REPL_OB:
16059 check_dsp(ctx);
16060 {
16061 target_long temp;
16062
16063 imm = (ctx->opcode >> 16) & 0xFF;
16064 temp = ((uint64_t)imm << 8) | (uint64_t)imm;
16065 temp = (temp << 16) | temp;
16066 temp = (temp << 32) | temp;
16067 tcg_gen_movi_tl(cpu_gpr[ret], temp);
16068 break;
16069 }
16070 case OPC_REPL_PW:
16071 check_dsp(ctx);
16072 {
16073 target_long temp;
16074
16075 imm = (ctx->opcode >> 16) & 0x03FF;
16076 imm = (int16_t)(imm << 6) >> 6;
16077 temp = ((target_long)imm << 32) \
16078 | ((target_long)imm & 0xFFFFFFFF);
16079 tcg_gen_movi_tl(cpu_gpr[ret], temp);
16080 break;
16081 }
16082 case OPC_REPL_QH:
16083 check_dsp(ctx);
16084 {
16085 target_long temp;
16086
16087 imm = (ctx->opcode >> 16) & 0x03FF;
16088 imm = (int16_t)(imm << 6) >> 6;
16089
16090 temp = ((uint64_t)(uint16_t)imm << 48) |
16091 ((uint64_t)(uint16_t)imm << 32) |
16092 ((uint64_t)(uint16_t)imm << 16) |
16093 (uint64_t)(uint16_t)imm;
16094 tcg_gen_movi_tl(cpu_gpr[ret], temp);
16095 break;
16096 }
16097 case OPC_REPLV_OB:
16098 check_dsp(ctx);
16099 tcg_gen_ext8u_tl(cpu_gpr[ret], val_t);
16100 tcg_gen_shli_tl(t0, cpu_gpr[ret], 8);
16101 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
16102 tcg_gen_shli_tl(t0, cpu_gpr[ret], 16);
16103 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
16104 tcg_gen_shli_tl(t0, cpu_gpr[ret], 32);
16105 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
16106 break;
16107 case OPC_REPLV_PW:
16108 check_dsp(ctx);
16109 tcg_gen_ext32u_i64(cpu_gpr[ret], val_t);
16110 tcg_gen_shli_tl(t0, cpu_gpr[ret], 32);
16111 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
16112 break;
16113 case OPC_REPLV_QH:
16114 check_dsp(ctx);
16115 tcg_gen_ext16u_tl(cpu_gpr[ret], val_t);
16116 tcg_gen_shli_tl(t0, cpu_gpr[ret], 16);
16117 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
16118 tcg_gen_shli_tl(t0, cpu_gpr[ret], 32);
16119 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
16120 break;
16121 }
16122 break;
16123 #endif
16124 }
16125 tcg_temp_free(t0);
16126 tcg_temp_free(val_t);
16127 }
16128
16129 static void gen_mipsdsp_add_cmp_pick(DisasContext *ctx,
16130 uint32_t op1, uint32_t op2,
16131 int ret, int v1, int v2, int check_ret)
16132 {
16133 TCGv t1;
16134 TCGv v1_t;
16135 TCGv v2_t;
16136
16137 if ((ret == 0) && (check_ret == 1)) {
16138 /* Treat as NOP. */
16139 return;
16140 }
16141
16142 t1 = tcg_temp_new();
16143 v1_t = tcg_temp_new();
16144 v2_t = tcg_temp_new();
16145
16146 gen_load_gpr(v1_t, v1);
16147 gen_load_gpr(v2_t, v2);
16148
16149 switch (op1) {
16150 case OPC_CMPU_EQ_QB_DSP:
16151 switch (op2) {
16152 case OPC_CMPU_EQ_QB:
16153 check_dsp(ctx);
16154 gen_helper_cmpu_eq_qb(v1_t, v2_t, cpu_env);
16155 break;
16156 case OPC_CMPU_LT_QB:
16157 check_dsp(ctx);
16158 gen_helper_cmpu_lt_qb(v1_t, v2_t, cpu_env);
16159 break;
16160 case OPC_CMPU_LE_QB:
16161 check_dsp(ctx);
16162 gen_helper_cmpu_le_qb(v1_t, v2_t, cpu_env);
16163 break;
16164 case OPC_CMPGU_EQ_QB:
16165 check_dsp(ctx);
16166 gen_helper_cmpgu_eq_qb(cpu_gpr[ret], v1_t, v2_t);
16167 break;
16168 case OPC_CMPGU_LT_QB:
16169 check_dsp(ctx);
16170 gen_helper_cmpgu_lt_qb(cpu_gpr[ret], v1_t, v2_t);
16171 break;
16172 case OPC_CMPGU_LE_QB:
16173 check_dsp(ctx);
16174 gen_helper_cmpgu_le_qb(cpu_gpr[ret], v1_t, v2_t);
16175 break;
16176 case OPC_CMPGDU_EQ_QB:
16177 check_dspr2(ctx);
16178 gen_helper_cmpgu_eq_qb(t1, v1_t, v2_t);
16179 tcg_gen_mov_tl(cpu_gpr[ret], t1);
16180 tcg_gen_andi_tl(cpu_dspctrl, cpu_dspctrl, 0xF0FFFFFF);
16181 tcg_gen_shli_tl(t1, t1, 24);
16182 tcg_gen_or_tl(cpu_dspctrl, cpu_dspctrl, t1);
16183 break;
16184 case OPC_CMPGDU_LT_QB:
16185 check_dspr2(ctx);
16186 gen_helper_cmpgu_lt_qb(t1, v1_t, v2_t);
16187 tcg_gen_mov_tl(cpu_gpr[ret], t1);
16188 tcg_gen_andi_tl(cpu_dspctrl, cpu_dspctrl, 0xF0FFFFFF);
16189 tcg_gen_shli_tl(t1, t1, 24);
16190 tcg_gen_or_tl(cpu_dspctrl, cpu_dspctrl, t1);
16191 break;
16192 case OPC_CMPGDU_LE_QB:
16193 check_dspr2(ctx);
16194 gen_helper_cmpgu_le_qb(t1, v1_t, v2_t);
16195 tcg_gen_mov_tl(cpu_gpr[ret], t1);
16196 tcg_gen_andi_tl(cpu_dspctrl, cpu_dspctrl, 0xF0FFFFFF);
16197 tcg_gen_shli_tl(t1, t1, 24);
16198 tcg_gen_or_tl(cpu_dspctrl, cpu_dspctrl, t1);
16199 break;
16200 case OPC_CMP_EQ_PH:
16201 check_dsp(ctx);
16202 gen_helper_cmp_eq_ph(v1_t, v2_t, cpu_env);
16203 break;
16204 case OPC_CMP_LT_PH:
16205 check_dsp(ctx);
16206 gen_helper_cmp_lt_ph(v1_t, v2_t, cpu_env);
16207 break;
16208 case OPC_CMP_LE_PH:
16209 check_dsp(ctx);
16210 gen_helper_cmp_le_ph(v1_t, v2_t, cpu_env);
16211 break;
16212 case OPC_PICK_QB:
16213 check_dsp(ctx);
16214 gen_helper_pick_qb(cpu_gpr[ret], v1_t, v2_t, cpu_env);
16215 break;
16216 case OPC_PICK_PH:
16217 check_dsp(ctx);
16218 gen_helper_pick_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
16219 break;
16220 case OPC_PACKRL_PH:
16221 check_dsp(ctx);
16222 gen_helper_packrl_ph(cpu_gpr[ret], v1_t, v2_t);
16223 break;
16224 }
16225 break;
16226 #ifdef TARGET_MIPS64
16227 case OPC_CMPU_EQ_OB_DSP:
16228 switch (op2) {
16229 case OPC_CMP_EQ_PW:
16230 check_dsp(ctx);
16231 gen_helper_cmp_eq_pw(v1_t, v2_t, cpu_env);
16232 break;
16233 case OPC_CMP_LT_PW:
16234 check_dsp(ctx);
16235 gen_helper_cmp_lt_pw(v1_t, v2_t, cpu_env);
16236 break;
16237 case OPC_CMP_LE_PW:
16238 check_dsp(ctx);
16239 gen_helper_cmp_le_pw(v1_t, v2_t, cpu_env);
16240 break;
16241 case OPC_CMP_EQ_QH:
16242 check_dsp(ctx);
16243 gen_helper_cmp_eq_qh(v1_t, v2_t, cpu_env);
16244 break;
16245 case OPC_CMP_LT_QH:
16246 check_dsp(ctx);
16247 gen_helper_cmp_lt_qh(v1_t, v2_t, cpu_env);
16248 break;
16249 case OPC_CMP_LE_QH:
16250 check_dsp(ctx);
16251 gen_helper_cmp_le_qh(v1_t, v2_t, cpu_env);
16252 break;
16253 case OPC_CMPGDU_EQ_OB:
16254 check_dspr2(ctx);
16255 gen_helper_cmpgdu_eq_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env);
16256 break;
16257 case OPC_CMPGDU_LT_OB:
16258 check_dspr2(ctx);
16259 gen_helper_cmpgdu_lt_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env);
16260 break;
16261 case OPC_CMPGDU_LE_OB:
16262 check_dspr2(ctx);
16263 gen_helper_cmpgdu_le_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env);
16264 break;
16265 case OPC_CMPGU_EQ_OB:
16266 check_dsp(ctx);
16267 gen_helper_cmpgu_eq_ob(cpu_gpr[ret], v1_t, v2_t);
16268 break;
16269 case OPC_CMPGU_LT_OB:
16270 check_dsp(ctx);
16271 gen_helper_cmpgu_lt_ob(cpu_gpr[ret], v1_t, v2_t);
16272 break;
16273 case OPC_CMPGU_LE_OB:
16274 check_dsp(ctx);
16275 gen_helper_cmpgu_le_ob(cpu_gpr[ret], v1_t, v2_t);
16276 break;
16277 case OPC_CMPU_EQ_OB:
16278 check_dsp(ctx);
16279 gen_helper_cmpu_eq_ob(v1_t, v2_t, cpu_env);
16280 break;
16281 case OPC_CMPU_LT_OB:
16282 check_dsp(ctx);
16283 gen_helper_cmpu_lt_ob(v1_t, v2_t, cpu_env);
16284 break;
16285 case OPC_CMPU_LE_OB:
16286 check_dsp(ctx);
16287 gen_helper_cmpu_le_ob(v1_t, v2_t, cpu_env);
16288 break;
16289 case OPC_PACKRL_PW:
16290 check_dsp(ctx);
16291 gen_helper_packrl_pw(cpu_gpr[ret], v1_t, v2_t);
16292 break;
16293 case OPC_PICK_OB:
16294 check_dsp(ctx);
16295 gen_helper_pick_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env);
16296 break;
16297 case OPC_PICK_PW:
16298 check_dsp(ctx);
16299 gen_helper_pick_pw(cpu_gpr[ret], v1_t, v2_t, cpu_env);
16300 break;
16301 case OPC_PICK_QH:
16302 check_dsp(ctx);
16303 gen_helper_pick_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env);
16304 break;
16305 }
16306 break;
16307 #endif
16308 }
16309
16310 tcg_temp_free(t1);
16311 tcg_temp_free(v1_t);
16312 tcg_temp_free(v2_t);
16313 }
16314
16315 static void gen_mipsdsp_append(CPUMIPSState *env, DisasContext *ctx,
16316 uint32_t op1, int rt, int rs, int sa)
16317 {
16318 TCGv t0;
16319
16320 check_dspr2(ctx);
16321
16322 if (rt == 0) {
16323 /* Treat as NOP. */
16324 return;
16325 }
16326
16327 t0 = tcg_temp_new();
16328 gen_load_gpr(t0, rs);
16329
16330 switch (op1) {
16331 case OPC_APPEND_DSP:
16332 switch (MASK_APPEND(ctx->opcode)) {
16333 case OPC_APPEND:
16334 if (sa != 0) {
16335 tcg_gen_deposit_tl(cpu_gpr[rt], t0, cpu_gpr[rt], sa, 32 - sa);
16336 }
16337 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]);
16338 break;
16339 case OPC_PREPEND:
16340 if (sa != 0) {
16341 tcg_gen_ext32u_tl(cpu_gpr[rt], cpu_gpr[rt]);
16342 tcg_gen_shri_tl(cpu_gpr[rt], cpu_gpr[rt], sa);
16343 tcg_gen_shli_tl(t0, t0, 32 - sa);
16344 tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0);
16345 }
16346 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]);
16347 break;
16348 case OPC_BALIGN:
16349 sa &= 3;
16350 if (sa != 0 && sa != 2) {
16351 tcg_gen_shli_tl(cpu_gpr[rt], cpu_gpr[rt], 8 * sa);
16352 tcg_gen_ext32u_tl(t0, t0);
16353 tcg_gen_shri_tl(t0, t0, 8 * (4 - sa));
16354 tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0);
16355 }
16356 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]);
16357 break;
16358 default: /* Invalid */
16359 MIPS_INVAL("MASK APPEND");
16360 generate_exception_end(ctx, EXCP_RI);
16361 break;
16362 }
16363 break;
16364 #ifdef TARGET_MIPS64
16365 case OPC_DAPPEND_DSP:
16366 switch (MASK_DAPPEND(ctx->opcode)) {
16367 case OPC_DAPPEND:
16368 if (sa != 0) {
16369 tcg_gen_deposit_tl(cpu_gpr[rt], t0, cpu_gpr[rt], sa, 64 - sa);
16370 }
16371 break;
16372 case OPC_PREPENDD:
16373 tcg_gen_shri_tl(cpu_gpr[rt], cpu_gpr[rt], 0x20 | sa);
16374 tcg_gen_shli_tl(t0, t0, 64 - (0x20 | sa));
16375 tcg_gen_or_tl(cpu_gpr[rt], t0, t0);
16376 break;
16377 case OPC_PREPENDW:
16378 if (sa != 0) {
16379 tcg_gen_shri_tl(cpu_gpr[rt], cpu_gpr[rt], sa);
16380 tcg_gen_shli_tl(t0, t0, 64 - sa);
16381 tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0);
16382 }
16383 break;
16384 case OPC_DBALIGN:
16385 sa &= 7;
16386 if (sa != 0 && sa != 2 && sa != 4) {
16387 tcg_gen_shli_tl(cpu_gpr[rt], cpu_gpr[rt], 8 * sa);
16388 tcg_gen_shri_tl(t0, t0, 8 * (8 - sa));
16389 tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0);
16390 }
16391 break;
16392 default: /* Invalid */
16393 MIPS_INVAL("MASK DAPPEND");
16394 generate_exception_end(ctx, EXCP_RI);
16395 break;
16396 }
16397 break;
16398 #endif
16399 }
16400 tcg_temp_free(t0);
16401 }
16402
16403 static void gen_mipsdsp_accinsn(DisasContext *ctx, uint32_t op1, uint32_t op2,
16404 int ret, int v1, int v2, int check_ret)
16405
16406 {
16407 TCGv t0;
16408 TCGv t1;
16409 TCGv v1_t;
16410 TCGv v2_t;
16411 int16_t imm;
16412
16413 if ((ret == 0) && (check_ret == 1)) {
16414 /* Treat as NOP. */
16415 return;
16416 }
16417
16418 t0 = tcg_temp_new();
16419 t1 = tcg_temp_new();
16420 v1_t = tcg_temp_new();
16421 v2_t = tcg_temp_new();
16422
16423 gen_load_gpr(v1_t, v1);
16424 gen_load_gpr(v2_t, v2);
16425
16426 switch (op1) {
16427 case OPC_EXTR_W_DSP:
16428 check_dsp(ctx);
16429 switch (op2) {
16430 case OPC_EXTR_W:
16431 tcg_gen_movi_tl(t0, v2);
16432 tcg_gen_movi_tl(t1, v1);
16433 gen_helper_extr_w(cpu_gpr[ret], t0, t1, cpu_env);
16434 break;
16435 case OPC_EXTR_R_W:
16436 tcg_gen_movi_tl(t0, v2);
16437 tcg_gen_movi_tl(t1, v1);
16438 gen_helper_extr_r_w(cpu_gpr[ret], t0, t1, cpu_env);
16439 break;
16440 case OPC_EXTR_RS_W:
16441 tcg_gen_movi_tl(t0, v2);
16442 tcg_gen_movi_tl(t1, v1);
16443 gen_helper_extr_rs_w(cpu_gpr[ret], t0, t1, cpu_env);
16444 break;
16445 case OPC_EXTR_S_H:
16446 tcg_gen_movi_tl(t0, v2);
16447 tcg_gen_movi_tl(t1, v1);
16448 gen_helper_extr_s_h(cpu_gpr[ret], t0, t1, cpu_env);
16449 break;
16450 case OPC_EXTRV_S_H:
16451 tcg_gen_movi_tl(t0, v2);
16452 gen_helper_extr_s_h(cpu_gpr[ret], t0, v1_t, cpu_env);
16453 break;
16454 case OPC_EXTRV_W:
16455 tcg_gen_movi_tl(t0, v2);
16456 gen_helper_extr_w(cpu_gpr[ret], t0, v1_t, cpu_env);
16457 break;
16458 case OPC_EXTRV_R_W:
16459 tcg_gen_movi_tl(t0, v2);
16460 gen_helper_extr_r_w(cpu_gpr[ret], t0, v1_t, cpu_env);
16461 break;
16462 case OPC_EXTRV_RS_W:
16463 tcg_gen_movi_tl(t0, v2);
16464 gen_helper_extr_rs_w(cpu_gpr[ret], t0, v1_t, cpu_env);
16465 break;
16466 case OPC_EXTP:
16467 tcg_gen_movi_tl(t0, v2);
16468 tcg_gen_movi_tl(t1, v1);
16469 gen_helper_extp(cpu_gpr[ret], t0, t1, cpu_env);
16470 break;
16471 case OPC_EXTPV:
16472 tcg_gen_movi_tl(t0, v2);
16473 gen_helper_extp(cpu_gpr[ret], t0, v1_t, cpu_env);
16474 break;
16475 case OPC_EXTPDP:
16476 tcg_gen_movi_tl(t0, v2);
16477 tcg_gen_movi_tl(t1, v1);
16478 gen_helper_extpdp(cpu_gpr[ret], t0, t1, cpu_env);
16479 break;
16480 case OPC_EXTPDPV:
16481 tcg_gen_movi_tl(t0, v2);
16482 gen_helper_extpdp(cpu_gpr[ret], t0, v1_t, cpu_env);
16483 break;
16484 case OPC_SHILO:
16485 imm = (ctx->opcode >> 20) & 0x3F;
16486 tcg_gen_movi_tl(t0, ret);
16487 tcg_gen_movi_tl(t1, imm);
16488 gen_helper_shilo(t0, t1, cpu_env);
16489 break;
16490 case OPC_SHILOV:
16491 tcg_gen_movi_tl(t0, ret);
16492 gen_helper_shilo(t0, v1_t, cpu_env);
16493 break;
16494 case OPC_MTHLIP:
16495 tcg_gen_movi_tl(t0, ret);
16496 gen_helper_mthlip(t0, v1_t, cpu_env);
16497 break;
16498 case OPC_WRDSP:
16499 imm = (ctx->opcode >> 11) & 0x3FF;
16500 tcg_gen_movi_tl(t0, imm);
16501 gen_helper_wrdsp(v1_t, t0, cpu_env);
16502 break;
16503 case OPC_RDDSP:
16504 imm = (ctx->opcode >> 16) & 0x03FF;
16505 tcg_gen_movi_tl(t0, imm);
16506 gen_helper_rddsp(cpu_gpr[ret], t0, cpu_env);
16507 break;
16508 }
16509 break;
16510 #ifdef TARGET_MIPS64
16511 case OPC_DEXTR_W_DSP:
16512 check_dsp(ctx);
16513 switch (op2) {
16514 case OPC_DMTHLIP:
16515 tcg_gen_movi_tl(t0, ret);
16516 gen_helper_dmthlip(v1_t, t0, cpu_env);
16517 break;
16518 case OPC_DSHILO:
16519 {
16520 int shift = (ctx->opcode >> 19) & 0x7F;
16521 int ac = (ctx->opcode >> 11) & 0x03;
16522 tcg_gen_movi_tl(t0, shift);
16523 tcg_gen_movi_tl(t1, ac);
16524 gen_helper_dshilo(t0, t1, cpu_env);
16525 break;
16526 }
16527 case OPC_DSHILOV:
16528 {
16529 int ac = (ctx->opcode >> 11) & 0x03;
16530 tcg_gen_movi_tl(t0, ac);
16531 gen_helper_dshilo(v1_t, t0, cpu_env);
16532 break;
16533 }
16534 case OPC_DEXTP:
16535 tcg_gen_movi_tl(t0, v2);
16536 tcg_gen_movi_tl(t1, v1);
16537
16538 gen_helper_dextp(cpu_gpr[ret], t0, t1, cpu_env);
16539 break;
16540 case OPC_DEXTPV:
16541 tcg_gen_movi_tl(t0, v2);
16542 gen_helper_dextp(cpu_gpr[ret], t0, v1_t, cpu_env);
16543 break;
16544 case OPC_DEXTPDP:
16545 tcg_gen_movi_tl(t0, v2);
16546 tcg_gen_movi_tl(t1, v1);
16547 gen_helper_dextpdp(cpu_gpr[ret], t0, t1, cpu_env);
16548 break;
16549 case OPC_DEXTPDPV:
16550 tcg_gen_movi_tl(t0, v2);
16551 gen_helper_dextpdp(cpu_gpr[ret], t0, v1_t, cpu_env);
16552 break;
16553 case OPC_DEXTR_L:
16554 tcg_gen_movi_tl(t0, v2);
16555 tcg_gen_movi_tl(t1, v1);
16556 gen_helper_dextr_l(cpu_gpr[ret], t0, t1, cpu_env);
16557 break;
16558 case OPC_DEXTR_R_L:
16559 tcg_gen_movi_tl(t0, v2);
16560 tcg_gen_movi_tl(t1, v1);
16561 gen_helper_dextr_r_l(cpu_gpr[ret], t0, t1, cpu_env);
16562 break;
16563 case OPC_DEXTR_RS_L:
16564 tcg_gen_movi_tl(t0, v2);
16565 tcg_gen_movi_tl(t1, v1);
16566 gen_helper_dextr_rs_l(cpu_gpr[ret], t0, t1, cpu_env);
16567 break;
16568 case OPC_DEXTR_W:
16569 tcg_gen_movi_tl(t0, v2);
16570 tcg_gen_movi_tl(t1, v1);
16571 gen_helper_dextr_w(cpu_gpr[ret], t0, t1, cpu_env);
16572 break;
16573 case OPC_DEXTR_R_W:
16574 tcg_gen_movi_tl(t0, v2);
16575 tcg_gen_movi_tl(t1, v1);
16576 gen_helper_dextr_r_w(cpu_gpr[ret], t0, t1, cpu_env);
16577 break;
16578 case OPC_DEXTR_RS_W:
16579 tcg_gen_movi_tl(t0, v2);
16580 tcg_gen_movi_tl(t1, v1);
16581 gen_helper_dextr_rs_w(cpu_gpr[ret], t0, t1, cpu_env);
16582 break;
16583 case OPC_DEXTR_S_H:
16584 tcg_gen_movi_tl(t0, v2);
16585 tcg_gen_movi_tl(t1, v1);
16586 gen_helper_dextr_s_h(cpu_gpr[ret], t0, t1, cpu_env);
16587 break;
16588 case OPC_DEXTRV_S_H:
16589 tcg_gen_movi_tl(t0, v2);
16590 tcg_gen_movi_tl(t1, v1);
16591 gen_helper_dextr_s_h(cpu_gpr[ret], t0, t1, cpu_env);
16592 break;
16593 case OPC_DEXTRV_L:
16594 tcg_gen_movi_tl(t0, v2);
16595 gen_helper_dextr_l(cpu_gpr[ret], t0, v1_t, cpu_env);
16596 break;
16597 case OPC_DEXTRV_R_L:
16598 tcg_gen_movi_tl(t0, v2);
16599 gen_helper_dextr_r_l(cpu_gpr[ret], t0, v1_t, cpu_env);
16600 break;
16601 case OPC_DEXTRV_RS_L:
16602 tcg_gen_movi_tl(t0, v2);
16603 gen_helper_dextr_rs_l(cpu_gpr[ret], t0, v1_t, cpu_env);
16604 break;
16605 case OPC_DEXTRV_W:
16606 tcg_gen_movi_tl(t0, v2);
16607 gen_helper_dextr_w(cpu_gpr[ret], t0, v1_t, cpu_env);
16608 break;
16609 case OPC_DEXTRV_R_W:
16610 tcg_gen_movi_tl(t0, v2);
16611 gen_helper_dextr_r_w(cpu_gpr[ret], t0, v1_t, cpu_env);
16612 break;
16613 case OPC_DEXTRV_RS_W:
16614 tcg_gen_movi_tl(t0, v2);
16615 gen_helper_dextr_rs_w(cpu_gpr[ret], t0, v1_t, cpu_env);
16616 break;
16617 }
16618 break;
16619 #endif
16620 }
16621
16622 tcg_temp_free(t0);
16623 tcg_temp_free(t1);
16624 tcg_temp_free(v1_t);
16625 tcg_temp_free(v2_t);
16626 }
16627
16628 /* End MIPSDSP functions. */
16629
16630 static void decode_opc_special_r6(CPUMIPSState *env, DisasContext *ctx)
16631 {
16632 int rs, rt, rd, sa;
16633 uint32_t op1, op2;
16634
16635 rs = (ctx->opcode >> 21) & 0x1f;
16636 rt = (ctx->opcode >> 16) & 0x1f;
16637 rd = (ctx->opcode >> 11) & 0x1f;
16638 sa = (ctx->opcode >> 6) & 0x1f;
16639
16640 op1 = MASK_SPECIAL(ctx->opcode);
16641 switch (op1) {
16642 case OPC_LSA:
16643 gen_lsa(ctx, op1, rd, rs, rt, extract32(ctx->opcode, 6, 2));
16644 break;
16645 case OPC_MULT ... OPC_DIVU:
16646 op2 = MASK_R6_MULDIV(ctx->opcode);
16647 switch (op2) {
16648 case R6_OPC_MUL:
16649 case R6_OPC_MUH:
16650 case R6_OPC_MULU:
16651 case R6_OPC_MUHU:
16652 case R6_OPC_DIV:
16653 case R6_OPC_MOD:
16654 case R6_OPC_DIVU:
16655 case R6_OPC_MODU:
16656 gen_r6_muldiv(ctx, op2, rd, rs, rt);
16657 break;
16658 default:
16659 MIPS_INVAL("special_r6 muldiv");
16660 generate_exception_end(ctx, EXCP_RI);
16661 break;
16662 }
16663 break;
16664 case OPC_SELEQZ:
16665 case OPC_SELNEZ:
16666 gen_cond_move(ctx, op1, rd, rs, rt);
16667 break;
16668 case R6_OPC_CLO:
16669 case R6_OPC_CLZ:
16670 if (rt == 0 && sa == 1) {
16671 /* Major opcode and function field is shared with preR6 MFHI/MTHI.
16672 We need additionally to check other fields */
16673 gen_cl(ctx, op1, rd, rs);
16674 } else {
16675 generate_exception_end(ctx, EXCP_RI);
16676 }
16677 break;
16678 case R6_OPC_SDBBP:
16679 if (is_uhi(extract32(ctx->opcode, 6, 20))) {
16680 gen_helper_do_semihosting(cpu_env);
16681 } else {
16682 if (ctx->hflags & MIPS_HFLAG_SBRI) {
16683 generate_exception_end(ctx, EXCP_RI);
16684 } else {
16685 generate_exception_end(ctx, EXCP_DBp);
16686 }
16687 }
16688 break;
16689 #if defined(TARGET_MIPS64)
16690 case OPC_DLSA:
16691 check_mips_64(ctx);
16692 gen_lsa(ctx, op1, rd, rs, rt, extract32(ctx->opcode, 6, 2));
16693 break;
16694 case R6_OPC_DCLO:
16695 case R6_OPC_DCLZ:
16696 if (rt == 0 && sa == 1) {
16697 /* Major opcode and function field is shared with preR6 MFHI/MTHI.
16698 We need additionally to check other fields */
16699 check_mips_64(ctx);
16700 gen_cl(ctx, op1, rd, rs);
16701 } else {
16702 generate_exception_end(ctx, EXCP_RI);
16703 }
16704 break;
16705 case OPC_DMULT ... OPC_DDIVU:
16706 op2 = MASK_R6_MULDIV(ctx->opcode);
16707 switch (op2) {
16708 case R6_OPC_DMUL:
16709 case R6_OPC_DMUH:
16710 case R6_OPC_DMULU:
16711 case R6_OPC_DMUHU:
16712 case R6_OPC_DDIV:
16713 case R6_OPC_DMOD:
16714 case R6_OPC_DDIVU:
16715 case R6_OPC_DMODU:
16716 check_mips_64(ctx);
16717 gen_r6_muldiv(ctx, op2, rd, rs, rt);
16718 break;
16719 default:
16720 MIPS_INVAL("special_r6 muldiv");
16721 generate_exception_end(ctx, EXCP_RI);
16722 break;
16723 }
16724 break;
16725 #endif
16726 default: /* Invalid */
16727 MIPS_INVAL("special_r6");
16728 generate_exception_end(ctx, EXCP_RI);
16729 break;
16730 }
16731 }
16732
16733 static void decode_opc_special_legacy(CPUMIPSState *env, DisasContext *ctx)
16734 {
16735 int rs, rt, rd, sa;
16736 uint32_t op1;
16737
16738 rs = (ctx->opcode >> 21) & 0x1f;
16739 rt = (ctx->opcode >> 16) & 0x1f;
16740 rd = (ctx->opcode >> 11) & 0x1f;
16741 sa = (ctx->opcode >> 6) & 0x1f;
16742
16743 op1 = MASK_SPECIAL(ctx->opcode);
16744 switch (op1) {
16745 case OPC_MOVN: /* Conditional move */
16746 case OPC_MOVZ:
16747 check_insn(ctx, ISA_MIPS4 | ISA_MIPS32 |
16748 INSN_LOONGSON2E | INSN_LOONGSON2F);
16749 gen_cond_move(ctx, op1, rd, rs, rt);
16750 break;
16751 case OPC_MFHI: /* Move from HI/LO */
16752 case OPC_MFLO:
16753 gen_HILO(ctx, op1, rs & 3, rd);
16754 break;
16755 case OPC_MTHI:
16756 case OPC_MTLO: /* Move to HI/LO */
16757 gen_HILO(ctx, op1, rd & 3, rs);
16758 break;
16759 case OPC_MOVCI:
16760 check_insn(ctx, ISA_MIPS4 | ISA_MIPS32);
16761 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
16762 check_cp1_enabled(ctx);
16763 gen_movci(ctx, rd, rs, (ctx->opcode >> 18) & 0x7,
16764 (ctx->opcode >> 16) & 1);
16765 } else {
16766 generate_exception_err(ctx, EXCP_CpU, 1);
16767 }
16768 break;
16769 case OPC_MULT:
16770 case OPC_MULTU:
16771 if (sa) {
16772 check_insn(ctx, INSN_VR54XX);
16773 op1 = MASK_MUL_VR54XX(ctx->opcode);
16774 gen_mul_vr54xx(ctx, op1, rd, rs, rt);
16775 } else {
16776 gen_muldiv(ctx, op1, rd & 3, rs, rt);
16777 }
16778 break;
16779 case OPC_DIV:
16780 case OPC_DIVU:
16781 gen_muldiv(ctx, op1, 0, rs, rt);
16782 break;
16783 #if defined(TARGET_MIPS64)
16784 case OPC_DMULT ... OPC_DDIVU:
16785 check_insn(ctx, ISA_MIPS3);
16786 check_mips_64(ctx);
16787 gen_muldiv(ctx, op1, 0, rs, rt);
16788 break;
16789 #endif
16790 case OPC_JR:
16791 gen_compute_branch(ctx, op1, 4, rs, rd, sa, 4);
16792 break;
16793 case OPC_SPIM:
16794 #ifdef MIPS_STRICT_STANDARD
16795 MIPS_INVAL("SPIM");
16796 generate_exception_end(ctx, EXCP_RI);
16797 #else
16798 /* Implemented as RI exception for now. */
16799 MIPS_INVAL("spim (unofficial)");
16800 generate_exception_end(ctx, EXCP_RI);
16801 #endif
16802 break;
16803 default: /* Invalid */
16804 MIPS_INVAL("special_legacy");
16805 generate_exception_end(ctx, EXCP_RI);
16806 break;
16807 }
16808 }
16809
16810 static void decode_opc_special(CPUMIPSState *env, DisasContext *ctx)
16811 {
16812 int rs, rt, rd, sa;
16813 uint32_t op1;
16814
16815 rs = (ctx->opcode >> 21) & 0x1f;
16816 rt = (ctx->opcode >> 16) & 0x1f;
16817 rd = (ctx->opcode >> 11) & 0x1f;
16818 sa = (ctx->opcode >> 6) & 0x1f;
16819
16820 op1 = MASK_SPECIAL(ctx->opcode);
16821 switch (op1) {
16822 case OPC_SLL: /* Shift with immediate */
16823 if (sa == 5 && rd == 0 &&
16824 rs == 0 && rt == 0) { /* PAUSE */
16825 if ((ctx->insn_flags & ISA_MIPS32R6) &&
16826 (ctx->hflags & MIPS_HFLAG_BMASK)) {
16827 generate_exception_end(ctx, EXCP_RI);
16828 break;
16829 }
16830 }
16831 /* Fallthrough */
16832 case OPC_SRA:
16833 gen_shift_imm(ctx, op1, rd, rt, sa);
16834 break;
16835 case OPC_SRL:
16836 switch ((ctx->opcode >> 21) & 0x1f) {
16837 case 1:
16838 /* rotr is decoded as srl on non-R2 CPUs */
16839 if (ctx->insn_flags & ISA_MIPS32R2) {
16840 op1 = OPC_ROTR;
16841 }
16842 /* Fallthrough */
16843 case 0:
16844 gen_shift_imm(ctx, op1, rd, rt, sa);
16845 break;
16846 default:
16847 generate_exception_end(ctx, EXCP_RI);
16848 break;
16849 }
16850 break;
16851 case OPC_ADD ... OPC_SUBU:
16852 gen_arith(ctx, op1, rd, rs, rt);
16853 break;
16854 case OPC_SLLV: /* Shifts */
16855 case OPC_SRAV:
16856 gen_shift(ctx, op1, rd, rs, rt);
16857 break;
16858 case OPC_SRLV:
16859 switch ((ctx->opcode >> 6) & 0x1f) {
16860 case 1:
16861 /* rotrv is decoded as srlv on non-R2 CPUs */
16862 if (ctx->insn_flags & ISA_MIPS32R2) {
16863 op1 = OPC_ROTRV;
16864 }
16865 /* Fallthrough */
16866 case 0:
16867 gen_shift(ctx, op1, rd, rs, rt);
16868 break;
16869 default:
16870 generate_exception_end(ctx, EXCP_RI);
16871 break;
16872 }
16873 break;
16874 case OPC_SLT: /* Set on less than */
16875 case OPC_SLTU:
16876 gen_slt(ctx, op1, rd, rs, rt);
16877 break;
16878 case OPC_AND: /* Logic*/
16879 case OPC_OR:
16880 case OPC_NOR:
16881 case OPC_XOR:
16882 gen_logic(ctx, op1, rd, rs, rt);
16883 break;
16884 case OPC_JALR:
16885 gen_compute_branch(ctx, op1, 4, rs, rd, sa, 4);
16886 break;
16887 case OPC_TGE ... OPC_TEQ: /* Traps */
16888 case OPC_TNE:
16889 check_insn(ctx, ISA_MIPS2);
16890 gen_trap(ctx, op1, rs, rt, -1);
16891 break;
16892 case OPC_LSA: /* OPC_PMON */
16893 if ((ctx->insn_flags & ISA_MIPS32R6) ||
16894 (env->CP0_Config3 & (1 << CP0C3_MSAP))) {
16895 decode_opc_special_r6(env, ctx);
16896 } else {
16897 /* Pmon entry point, also R4010 selsl */
16898 #ifdef MIPS_STRICT_STANDARD
16899 MIPS_INVAL("PMON / selsl");
16900 generate_exception_end(ctx, EXCP_RI);
16901 #else
16902 gen_helper_0e0i(pmon, sa);
16903 #endif
16904 }
16905 break;
16906 case OPC_SYSCALL:
16907 generate_exception_end(ctx, EXCP_SYSCALL);
16908 break;
16909 case OPC_BREAK:
16910 generate_exception_end(ctx, EXCP_BREAK);
16911 break;
16912 case OPC_SYNC:
16913 check_insn(ctx, ISA_MIPS2);
16914 /* Treat as NOP. */
16915 break;
16916
16917 #if defined(TARGET_MIPS64)
16918 /* MIPS64 specific opcodes */
16919 case OPC_DSLL:
16920 case OPC_DSRA:
16921 case OPC_DSLL32:
16922 case OPC_DSRA32:
16923 check_insn(ctx, ISA_MIPS3);
16924 check_mips_64(ctx);
16925 gen_shift_imm(ctx, op1, rd, rt, sa);
16926 break;
16927 case OPC_DSRL:
16928 switch ((ctx->opcode >> 21) & 0x1f) {
16929 case 1:
16930 /* drotr is decoded as dsrl on non-R2 CPUs */
16931 if (ctx->insn_flags & ISA_MIPS32R2) {
16932 op1 = OPC_DROTR;
16933 }
16934 /* Fallthrough */
16935 case 0:
16936 check_insn(ctx, ISA_MIPS3);
16937 check_mips_64(ctx);
16938 gen_shift_imm(ctx, op1, rd, rt, sa);
16939 break;
16940 default:
16941 generate_exception_end(ctx, EXCP_RI);
16942 break;
16943 }
16944 break;
16945 case OPC_DSRL32:
16946 switch ((ctx->opcode >> 21) & 0x1f) {
16947 case 1:
16948 /* drotr32 is decoded as dsrl32 on non-R2 CPUs */
16949 if (ctx->insn_flags & ISA_MIPS32R2) {
16950 op1 = OPC_DROTR32;
16951 }
16952 /* Fallthrough */
16953 case 0:
16954 check_insn(ctx, ISA_MIPS3);
16955 check_mips_64(ctx);
16956 gen_shift_imm(ctx, op1, rd, rt, sa);
16957 break;
16958 default:
16959 generate_exception_end(ctx, EXCP_RI);
16960 break;
16961 }
16962 break;
16963 case OPC_DADD ... OPC_DSUBU:
16964 check_insn(ctx, ISA_MIPS3);
16965 check_mips_64(ctx);
16966 gen_arith(ctx, op1, rd, rs, rt);
16967 break;
16968 case OPC_DSLLV:
16969 case OPC_DSRAV:
16970 check_insn(ctx, ISA_MIPS3);
16971 check_mips_64(ctx);
16972 gen_shift(ctx, op1, rd, rs, rt);
16973 break;
16974 case OPC_DSRLV:
16975 switch ((ctx->opcode >> 6) & 0x1f) {
16976 case 1:
16977 /* drotrv is decoded as dsrlv on non-R2 CPUs */
16978 if (ctx->insn_flags & ISA_MIPS32R2) {
16979 op1 = OPC_DROTRV;
16980 }
16981 /* Fallthrough */
16982 case 0:
16983 check_insn(ctx, ISA_MIPS3);
16984 check_mips_64(ctx);
16985 gen_shift(ctx, op1, rd, rs, rt);
16986 break;
16987 default:
16988 generate_exception_end(ctx, EXCP_RI);
16989 break;
16990 }
16991 break;
16992 case OPC_DLSA:
16993 if ((ctx->insn_flags & ISA_MIPS32R6) ||
16994 (env->CP0_Config3 & (1 << CP0C3_MSAP))) {
16995 decode_opc_special_r6(env, ctx);
16996 }
16997 break;
16998 #endif
16999 default:
17000 if (ctx->insn_flags & ISA_MIPS32R6) {
17001 decode_opc_special_r6(env, ctx);
17002 } else {
17003 decode_opc_special_legacy(env, ctx);
17004 }
17005 }
17006 }
17007
17008 static void decode_opc_special2_legacy(CPUMIPSState *env, DisasContext *ctx)
17009 {
17010 int rs, rt, rd;
17011 uint32_t op1;
17012
17013 check_insn_opc_removed(ctx, ISA_MIPS32R6);
17014
17015 rs = (ctx->opcode >> 21) & 0x1f;
17016 rt = (ctx->opcode >> 16) & 0x1f;
17017 rd = (ctx->opcode >> 11) & 0x1f;
17018
17019 op1 = MASK_SPECIAL2(ctx->opcode);
17020 switch (op1) {
17021 case OPC_MADD ... OPC_MADDU: /* Multiply and add/sub */
17022 case OPC_MSUB ... OPC_MSUBU:
17023 check_insn(ctx, ISA_MIPS32);
17024 gen_muldiv(ctx, op1, rd & 3, rs, rt);
17025 break;
17026 case OPC_MUL:
17027 gen_arith(ctx, op1, rd, rs, rt);
17028 break;
17029 case OPC_DIV_G_2F:
17030 case OPC_DIVU_G_2F:
17031 case OPC_MULT_G_2F:
17032 case OPC_MULTU_G_2F:
17033 case OPC_MOD_G_2F:
17034 case OPC_MODU_G_2F:
17035 check_insn(ctx, INSN_LOONGSON2F);
17036 gen_loongson_integer(ctx, op1, rd, rs, rt);
17037 break;
17038 case OPC_CLO:
17039 case OPC_CLZ:
17040 check_insn(ctx, ISA_MIPS32);
17041 gen_cl(ctx, op1, rd, rs);
17042 break;
17043 case OPC_SDBBP:
17044 if (is_uhi(extract32(ctx->opcode, 6, 20))) {
17045 gen_helper_do_semihosting(cpu_env);
17046 } else {
17047 /* XXX: not clear which exception should be raised
17048 * when in debug mode...
17049 */
17050 check_insn(ctx, ISA_MIPS32);
17051 generate_exception_end(ctx, EXCP_DBp);
17052 }
17053 break;
17054 #if defined(TARGET_MIPS64)
17055 case OPC_DCLO:
17056 case OPC_DCLZ:
17057 check_insn(ctx, ISA_MIPS64);
17058 check_mips_64(ctx);
17059 gen_cl(ctx, op1, rd, rs);
17060 break;
17061 case OPC_DMULT_G_2F:
17062 case OPC_DMULTU_G_2F:
17063 case OPC_DDIV_G_2F:
17064 case OPC_DDIVU_G_2F:
17065 case OPC_DMOD_G_2F:
17066 case OPC_DMODU_G_2F:
17067 check_insn(ctx, INSN_LOONGSON2F);
17068 gen_loongson_integer(ctx, op1, rd, rs, rt);
17069 break;
17070 #endif
17071 default: /* Invalid */
17072 MIPS_INVAL("special2_legacy");
17073 generate_exception_end(ctx, EXCP_RI);
17074 break;
17075 }
17076 }
17077
17078 static void decode_opc_special3_r6(CPUMIPSState *env, DisasContext *ctx)
17079 {
17080 int rs, rt, rd, sa;
17081 uint32_t op1, op2;
17082 int16_t imm;
17083
17084 rs = (ctx->opcode >> 21) & 0x1f;
17085 rt = (ctx->opcode >> 16) & 0x1f;
17086 rd = (ctx->opcode >> 11) & 0x1f;
17087 sa = (ctx->opcode >> 6) & 0x1f;
17088 imm = (int16_t)ctx->opcode >> 7;
17089
17090 op1 = MASK_SPECIAL3(ctx->opcode);
17091 switch (op1) {
17092 case R6_OPC_PREF:
17093 if (rt >= 24) {
17094 /* hint codes 24-31 are reserved and signal RI */
17095 generate_exception_end(ctx, EXCP_RI);
17096 }
17097 /* Treat as NOP. */
17098 break;
17099 case R6_OPC_CACHE:
17100 /* Treat as NOP. */
17101 break;
17102 case R6_OPC_SC:
17103 gen_st_cond(ctx, op1, rt, rs, imm);
17104 break;
17105 case R6_OPC_LL:
17106 gen_ld(ctx, op1, rt, rs, imm);
17107 break;
17108 case OPC_BSHFL:
17109 {
17110 if (rd == 0) {
17111 /* Treat as NOP. */
17112 break;
17113 }
17114 op2 = MASK_BSHFL(ctx->opcode);
17115 switch (op2) {
17116 case OPC_ALIGN ... OPC_ALIGN_END:
17117 gen_align(ctx, OPC_ALIGN, rd, rs, rt, sa & 3);
17118 break;
17119 case OPC_BITSWAP:
17120 gen_bitswap(ctx, op2, rd, rt);
17121 break;
17122 }
17123 }
17124 break;
17125 #if defined(TARGET_MIPS64)
17126 case R6_OPC_SCD:
17127 gen_st_cond(ctx, op1, rt, rs, imm);
17128 break;
17129 case R6_OPC_LLD:
17130 gen_ld(ctx, op1, rt, rs, imm);
17131 break;
17132 case OPC_DBSHFL:
17133 check_mips_64(ctx);
17134 {
17135 if (rd == 0) {
17136 /* Treat as NOP. */
17137 break;
17138 }
17139 op2 = MASK_DBSHFL(ctx->opcode);
17140 switch (op2) {
17141 case OPC_DALIGN ... OPC_DALIGN_END:
17142 gen_align(ctx, OPC_DALIGN, rd, rs, rt, sa & 7);
17143 break;
17144 case OPC_DBITSWAP:
17145 gen_bitswap(ctx, op2, rd, rt);
17146 break;
17147 }
17148
17149 }
17150 break;
17151 #endif
17152 default: /* Invalid */
17153 MIPS_INVAL("special3_r6");
17154 generate_exception_end(ctx, EXCP_RI);
17155 break;
17156 }
17157 }
17158
17159 static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx)
17160 {
17161 int rs, rt, rd;
17162 uint32_t op1, op2;
17163
17164 rs = (ctx->opcode >> 21) & 0x1f;
17165 rt = (ctx->opcode >> 16) & 0x1f;
17166 rd = (ctx->opcode >> 11) & 0x1f;
17167
17168 op1 = MASK_SPECIAL3(ctx->opcode);
17169 switch (op1) {
17170 case OPC_DIV_G_2E ... OPC_DIVU_G_2E:
17171 case OPC_MOD_G_2E ... OPC_MODU_G_2E:
17172 case OPC_MULT_G_2E ... OPC_MULTU_G_2E:
17173 /* OPC_MULT_G_2E, OPC_ADDUH_QB_DSP, OPC_MUL_PH_DSP have
17174 * the same mask and op1. */
17175 if ((ctx->insn_flags & ASE_DSPR2) && (op1 == OPC_MULT_G_2E)) {
17176 op2 = MASK_ADDUH_QB(ctx->opcode);
17177 switch (op2) {
17178 case OPC_ADDUH_QB:
17179 case OPC_ADDUH_R_QB:
17180 case OPC_ADDQH_PH:
17181 case OPC_ADDQH_R_PH:
17182 case OPC_ADDQH_W:
17183 case OPC_ADDQH_R_W:
17184 case OPC_SUBUH_QB:
17185 case OPC_SUBUH_R_QB:
17186 case OPC_SUBQH_PH:
17187 case OPC_SUBQH_R_PH:
17188 case OPC_SUBQH_W:
17189 case OPC_SUBQH_R_W:
17190 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
17191 break;
17192 case OPC_MUL_PH:
17193 case OPC_MUL_S_PH:
17194 case OPC_MULQ_S_W:
17195 case OPC_MULQ_RS_W:
17196 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 1);
17197 break;
17198 default:
17199 MIPS_INVAL("MASK ADDUH.QB");
17200 generate_exception_end(ctx, EXCP_RI);
17201 break;
17202 }
17203 } else if (ctx->insn_flags & INSN_LOONGSON2E) {
17204 gen_loongson_integer(ctx, op1, rd, rs, rt);
17205 } else {
17206 generate_exception_end(ctx, EXCP_RI);
17207 }
17208 break;
17209 case OPC_LX_DSP:
17210 op2 = MASK_LX(ctx->opcode);
17211 switch (op2) {
17212 #if defined(TARGET_MIPS64)
17213 case OPC_LDX:
17214 #endif
17215 case OPC_LBUX:
17216 case OPC_LHX:
17217 case OPC_LWX:
17218 gen_mipsdsp_ld(ctx, op2, rd, rs, rt);
17219 break;
17220 default: /* Invalid */
17221 MIPS_INVAL("MASK LX");
17222 generate_exception_end(ctx, EXCP_RI);
17223 break;
17224 }
17225 break;
17226 case OPC_ABSQ_S_PH_DSP:
17227 op2 = MASK_ABSQ_S_PH(ctx->opcode);
17228 switch (op2) {
17229 case OPC_ABSQ_S_QB:
17230 case OPC_ABSQ_S_PH:
17231 case OPC_ABSQ_S_W:
17232 case OPC_PRECEQ_W_PHL:
17233 case OPC_PRECEQ_W_PHR:
17234 case OPC_PRECEQU_PH_QBL:
17235 case OPC_PRECEQU_PH_QBR:
17236 case OPC_PRECEQU_PH_QBLA:
17237 case OPC_PRECEQU_PH_QBRA:
17238 case OPC_PRECEU_PH_QBL:
17239 case OPC_PRECEU_PH_QBR:
17240 case OPC_PRECEU_PH_QBLA:
17241 case OPC_PRECEU_PH_QBRA:
17242 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
17243 break;
17244 case OPC_BITREV:
17245 case OPC_REPL_QB:
17246 case OPC_REPLV_QB:
17247 case OPC_REPL_PH:
17248 case OPC_REPLV_PH:
17249 gen_mipsdsp_bitinsn(ctx, op1, op2, rd, rt);
17250 break;
17251 default:
17252 MIPS_INVAL("MASK ABSQ_S.PH");
17253 generate_exception_end(ctx, EXCP_RI);
17254 break;
17255 }
17256 break;
17257 case OPC_ADDU_QB_DSP:
17258 op2 = MASK_ADDU_QB(ctx->opcode);
17259 switch (op2) {
17260 case OPC_ADDQ_PH:
17261 case OPC_ADDQ_S_PH:
17262 case OPC_ADDQ_S_W:
17263 case OPC_ADDU_QB:
17264 case OPC_ADDU_S_QB:
17265 case OPC_ADDU_PH:
17266 case OPC_ADDU_S_PH:
17267 case OPC_SUBQ_PH:
17268 case OPC_SUBQ_S_PH:
17269 case OPC_SUBQ_S_W:
17270 case OPC_SUBU_QB:
17271 case OPC_SUBU_S_QB:
17272 case OPC_SUBU_PH:
17273 case OPC_SUBU_S_PH:
17274 case OPC_ADDSC:
17275 case OPC_ADDWC:
17276 case OPC_MODSUB:
17277 case OPC_RADDU_W_QB:
17278 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
17279 break;
17280 case OPC_MULEU_S_PH_QBL:
17281 case OPC_MULEU_S_PH_QBR:
17282 case OPC_MULQ_RS_PH:
17283 case OPC_MULEQ_S_W_PHL:
17284 case OPC_MULEQ_S_W_PHR:
17285 case OPC_MULQ_S_PH:
17286 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 1);
17287 break;
17288 default: /* Invalid */
17289 MIPS_INVAL("MASK ADDU.QB");
17290 generate_exception_end(ctx, EXCP_RI);
17291 break;
17292
17293 }
17294 break;
17295 case OPC_CMPU_EQ_QB_DSP:
17296 op2 = MASK_CMPU_EQ_QB(ctx->opcode);
17297 switch (op2) {
17298 case OPC_PRECR_SRA_PH_W:
17299 case OPC_PRECR_SRA_R_PH_W:
17300 gen_mipsdsp_arith(ctx, op1, op2, rt, rs, rd);
17301 break;
17302 case OPC_PRECR_QB_PH:
17303 case OPC_PRECRQ_QB_PH:
17304 case OPC_PRECRQ_PH_W:
17305 case OPC_PRECRQ_RS_PH_W:
17306 case OPC_PRECRQU_S_QB_PH:
17307 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
17308 break;
17309 case OPC_CMPU_EQ_QB:
17310 case OPC_CMPU_LT_QB:
17311 case OPC_CMPU_LE_QB:
17312 case OPC_CMP_EQ_PH:
17313 case OPC_CMP_LT_PH:
17314 case OPC_CMP_LE_PH:
17315 gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 0);
17316 break;
17317 case OPC_CMPGU_EQ_QB:
17318 case OPC_CMPGU_LT_QB:
17319 case OPC_CMPGU_LE_QB:
17320 case OPC_CMPGDU_EQ_QB:
17321 case OPC_CMPGDU_LT_QB:
17322 case OPC_CMPGDU_LE_QB:
17323 case OPC_PICK_QB:
17324 case OPC_PICK_PH:
17325 case OPC_PACKRL_PH:
17326 gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 1);
17327 break;
17328 default: /* Invalid */
17329 MIPS_INVAL("MASK CMPU.EQ.QB");
17330 generate_exception_end(ctx, EXCP_RI);
17331 break;
17332 }
17333 break;
17334 case OPC_SHLL_QB_DSP:
17335 gen_mipsdsp_shift(ctx, op1, rd, rs, rt);
17336 break;
17337 case OPC_DPA_W_PH_DSP:
17338 op2 = MASK_DPA_W_PH(ctx->opcode);
17339 switch (op2) {
17340 case OPC_DPAU_H_QBL:
17341 case OPC_DPAU_H_QBR:
17342 case OPC_DPSU_H_QBL:
17343 case OPC_DPSU_H_QBR:
17344 case OPC_DPA_W_PH:
17345 case OPC_DPAX_W_PH:
17346 case OPC_DPAQ_S_W_PH:
17347 case OPC_DPAQX_S_W_PH:
17348 case OPC_DPAQX_SA_W_PH:
17349 case OPC_DPS_W_PH:
17350 case OPC_DPSX_W_PH:
17351 case OPC_DPSQ_S_W_PH:
17352 case OPC_DPSQX_S_W_PH:
17353 case OPC_DPSQX_SA_W_PH:
17354 case OPC_MULSAQ_S_W_PH:
17355 case OPC_DPAQ_SA_L_W:
17356 case OPC_DPSQ_SA_L_W:
17357 case OPC_MAQ_S_W_PHL:
17358 case OPC_MAQ_S_W_PHR:
17359 case OPC_MAQ_SA_W_PHL:
17360 case OPC_MAQ_SA_W_PHR:
17361 case OPC_MULSA_W_PH:
17362 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 0);
17363 break;
17364 default: /* Invalid */
17365 MIPS_INVAL("MASK DPAW.PH");
17366 generate_exception_end(ctx, EXCP_RI);
17367 break;
17368 }
17369 break;
17370 case OPC_INSV_DSP:
17371 op2 = MASK_INSV(ctx->opcode);
17372 switch (op2) {
17373 case OPC_INSV:
17374 check_dsp(ctx);
17375 {
17376 TCGv t0, t1;
17377
17378 if (rt == 0) {
17379 break;
17380 }
17381
17382 t0 = tcg_temp_new();
17383 t1 = tcg_temp_new();
17384
17385 gen_load_gpr(t0, rt);
17386 gen_load_gpr(t1, rs);
17387
17388 gen_helper_insv(cpu_gpr[rt], cpu_env, t1, t0);
17389
17390 tcg_temp_free(t0);
17391 tcg_temp_free(t1);
17392 break;
17393 }
17394 default: /* Invalid */
17395 MIPS_INVAL("MASK INSV");
17396 generate_exception_end(ctx, EXCP_RI);
17397 break;
17398 }
17399 break;
17400 case OPC_APPEND_DSP:
17401 gen_mipsdsp_append(env, ctx, op1, rt, rs, rd);
17402 break;
17403 case OPC_EXTR_W_DSP:
17404 op2 = MASK_EXTR_W(ctx->opcode);
17405 switch (op2) {
17406 case OPC_EXTR_W:
17407 case OPC_EXTR_R_W:
17408 case OPC_EXTR_RS_W:
17409 case OPC_EXTR_S_H:
17410 case OPC_EXTRV_S_H:
17411 case OPC_EXTRV_W:
17412 case OPC_EXTRV_R_W:
17413 case OPC_EXTRV_RS_W:
17414 case OPC_EXTP:
17415 case OPC_EXTPV:
17416 case OPC_EXTPDP:
17417 case OPC_EXTPDPV:
17418 gen_mipsdsp_accinsn(ctx, op1, op2, rt, rs, rd, 1);
17419 break;
17420 case OPC_RDDSP:
17421 gen_mipsdsp_accinsn(ctx, op1, op2, rd, rs, rt, 1);
17422 break;
17423 case OPC_SHILO:
17424 case OPC_SHILOV:
17425 case OPC_MTHLIP:
17426 case OPC_WRDSP:
17427 gen_mipsdsp_accinsn(ctx, op1, op2, rd, rs, rt, 0);
17428 break;
17429 default: /* Invalid */
17430 MIPS_INVAL("MASK EXTR.W");
17431 generate_exception_end(ctx, EXCP_RI);
17432 break;
17433 }
17434 break;
17435 #if defined(TARGET_MIPS64)
17436 case OPC_DDIV_G_2E ... OPC_DDIVU_G_2E:
17437 case OPC_DMULT_G_2E ... OPC_DMULTU_G_2E:
17438 case OPC_DMOD_G_2E ... OPC_DMODU_G_2E:
17439 check_insn(ctx, INSN_LOONGSON2E);
17440 gen_loongson_integer(ctx, op1, rd, rs, rt);
17441 break;
17442 case OPC_ABSQ_S_QH_DSP:
17443 op2 = MASK_ABSQ_S_QH(ctx->opcode);
17444 switch (op2) {
17445 case OPC_PRECEQ_L_PWL:
17446 case OPC_PRECEQ_L_PWR:
17447 case OPC_PRECEQ_PW_QHL:
17448 case OPC_PRECEQ_PW_QHR:
17449 case OPC_PRECEQ_PW_QHLA:
17450 case OPC_PRECEQ_PW_QHRA:
17451 case OPC_PRECEQU_QH_OBL:
17452 case OPC_PRECEQU_QH_OBR:
17453 case OPC_PRECEQU_QH_OBLA:
17454 case OPC_PRECEQU_QH_OBRA:
17455 case OPC_PRECEU_QH_OBL:
17456 case OPC_PRECEU_QH_OBR:
17457 case OPC_PRECEU_QH_OBLA:
17458 case OPC_PRECEU_QH_OBRA:
17459 case OPC_ABSQ_S_OB:
17460 case OPC_ABSQ_S_PW:
17461 case OPC_ABSQ_S_QH:
17462 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
17463 break;
17464 case OPC_REPL_OB:
17465 case OPC_REPL_PW:
17466 case OPC_REPL_QH:
17467 case OPC_REPLV_OB:
17468 case OPC_REPLV_PW:
17469 case OPC_REPLV_QH:
17470 gen_mipsdsp_bitinsn(ctx, op1, op2, rd, rt);
17471 break;
17472 default: /* Invalid */
17473 MIPS_INVAL("MASK ABSQ_S.QH");
17474 generate_exception_end(ctx, EXCP_RI);
17475 break;
17476 }
17477 break;
17478 case OPC_ADDU_OB_DSP:
17479 op2 = MASK_ADDU_OB(ctx->opcode);
17480 switch (op2) {
17481 case OPC_RADDU_L_OB:
17482 case OPC_SUBQ_PW:
17483 case OPC_SUBQ_S_PW:
17484 case OPC_SUBQ_QH:
17485 case OPC_SUBQ_S_QH:
17486 case OPC_SUBU_OB:
17487 case OPC_SUBU_S_OB:
17488 case OPC_SUBU_QH:
17489 case OPC_SUBU_S_QH:
17490 case OPC_SUBUH_OB:
17491 case OPC_SUBUH_R_OB:
17492 case OPC_ADDQ_PW:
17493 case OPC_ADDQ_S_PW:
17494 case OPC_ADDQ_QH:
17495 case OPC_ADDQ_S_QH:
17496 case OPC_ADDU_OB:
17497 case OPC_ADDU_S_OB:
17498 case OPC_ADDU_QH:
17499 case OPC_ADDU_S_QH:
17500 case OPC_ADDUH_OB:
17501 case OPC_ADDUH_R_OB:
17502 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
17503 break;
17504 case OPC_MULEQ_S_PW_QHL:
17505 case OPC_MULEQ_S_PW_QHR:
17506 case OPC_MULEU_S_QH_OBL:
17507 case OPC_MULEU_S_QH_OBR:
17508 case OPC_MULQ_RS_QH:
17509 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 1);
17510 break;
17511 default: /* Invalid */
17512 MIPS_INVAL("MASK ADDU.OB");
17513 generate_exception_end(ctx, EXCP_RI);
17514 break;
17515 }
17516 break;
17517 case OPC_CMPU_EQ_OB_DSP:
17518 op2 = MASK_CMPU_EQ_OB(ctx->opcode);
17519 switch (op2) {
17520 case OPC_PRECR_SRA_QH_PW:
17521 case OPC_PRECR_SRA_R_QH_PW:
17522 /* Return value is rt. */
17523 gen_mipsdsp_arith(ctx, op1, op2, rt, rs, rd);
17524 break;
17525 case OPC_PRECR_OB_QH:
17526 case OPC_PRECRQ_OB_QH:
17527 case OPC_PRECRQ_PW_L:
17528 case OPC_PRECRQ_QH_PW:
17529 case OPC_PRECRQ_RS_QH_PW:
17530 case OPC_PRECRQU_S_OB_QH:
17531 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
17532 break;
17533 case OPC_CMPU_EQ_OB:
17534 case OPC_CMPU_LT_OB:
17535 case OPC_CMPU_LE_OB:
17536 case OPC_CMP_EQ_QH:
17537 case OPC_CMP_LT_QH:
17538 case OPC_CMP_LE_QH:
17539 case OPC_CMP_EQ_PW:
17540 case OPC_CMP_LT_PW:
17541 case OPC_CMP_LE_PW:
17542 gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 0);
17543 break;
17544 case OPC_CMPGDU_EQ_OB:
17545 case OPC_CMPGDU_LT_OB:
17546 case OPC_CMPGDU_LE_OB:
17547 case OPC_CMPGU_EQ_OB:
17548 case OPC_CMPGU_LT_OB:
17549 case OPC_CMPGU_LE_OB:
17550 case OPC_PACKRL_PW:
17551 case OPC_PICK_OB:
17552 case OPC_PICK_PW:
17553 case OPC_PICK_QH:
17554 gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 1);
17555 break;
17556 default: /* Invalid */
17557 MIPS_INVAL("MASK CMPU_EQ.OB");
17558 generate_exception_end(ctx, EXCP_RI);
17559 break;
17560 }
17561 break;
17562 case OPC_DAPPEND_DSP:
17563 gen_mipsdsp_append(env, ctx, op1, rt, rs, rd);
17564 break;
17565 case OPC_DEXTR_W_DSP:
17566 op2 = MASK_DEXTR_W(ctx->opcode);
17567 switch (op2) {
17568 case OPC_DEXTP:
17569 case OPC_DEXTPDP:
17570 case OPC_DEXTPDPV:
17571 case OPC_DEXTPV:
17572 case OPC_DEXTR_L:
17573 case OPC_DEXTR_R_L:
17574 case OPC_DEXTR_RS_L:
17575 case OPC_DEXTR_W:
17576 case OPC_DEXTR_R_W:
17577 case OPC_DEXTR_RS_W:
17578 case OPC_DEXTR_S_H:
17579 case OPC_DEXTRV_L:
17580 case OPC_DEXTRV_R_L:
17581 case OPC_DEXTRV_RS_L:
17582 case OPC_DEXTRV_S_H:
17583 case OPC_DEXTRV_W:
17584 case OPC_DEXTRV_R_W:
17585 case OPC_DEXTRV_RS_W:
17586 gen_mipsdsp_accinsn(ctx, op1, op2, rt, rs, rd, 1);
17587 break;
17588 case OPC_DMTHLIP:
17589 case OPC_DSHILO:
17590 case OPC_DSHILOV:
17591 gen_mipsdsp_accinsn(ctx, op1, op2, rd, rs, rt, 0);
17592 break;
17593 default: /* Invalid */
17594 MIPS_INVAL("MASK EXTR.W");
17595 generate_exception_end(ctx, EXCP_RI);
17596 break;
17597 }
17598 break;
17599 case OPC_DPAQ_W_QH_DSP:
17600 op2 = MASK_DPAQ_W_QH(ctx->opcode);
17601 switch (op2) {
17602 case OPC_DPAU_H_OBL:
17603 case OPC_DPAU_H_OBR:
17604 case OPC_DPSU_H_OBL:
17605 case OPC_DPSU_H_OBR:
17606 case OPC_DPA_W_QH:
17607 case OPC_DPAQ_S_W_QH:
17608 case OPC_DPS_W_QH:
17609 case OPC_DPSQ_S_W_QH:
17610 case OPC_MULSAQ_S_W_QH:
17611 case OPC_DPAQ_SA_L_PW:
17612 case OPC_DPSQ_SA_L_PW:
17613 case OPC_MULSAQ_S_L_PW:
17614 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 0);
17615 break;
17616 case OPC_MAQ_S_W_QHLL:
17617 case OPC_MAQ_S_W_QHLR:
17618 case OPC_MAQ_S_W_QHRL:
17619 case OPC_MAQ_S_W_QHRR:
17620 case OPC_MAQ_SA_W_QHLL:
17621 case OPC_MAQ_SA_W_QHLR:
17622 case OPC_MAQ_SA_W_QHRL:
17623 case OPC_MAQ_SA_W_QHRR:
17624 case OPC_MAQ_S_L_PWL:
17625 case OPC_MAQ_S_L_PWR:
17626 case OPC_DMADD:
17627 case OPC_DMADDU:
17628 case OPC_DMSUB:
17629 case OPC_DMSUBU:
17630 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 0);
17631 break;
17632 default: /* Invalid */
17633 MIPS_INVAL("MASK DPAQ.W.QH");
17634 generate_exception_end(ctx, EXCP_RI);
17635 break;
17636 }
17637 break;
17638 case OPC_DINSV_DSP:
17639 op2 = MASK_INSV(ctx->opcode);
17640 switch (op2) {
17641 case OPC_DINSV:
17642 {
17643 TCGv t0, t1;
17644
17645 if (rt == 0) {
17646 break;
17647 }
17648 check_dsp(ctx);
17649
17650 t0 = tcg_temp_new();
17651 t1 = tcg_temp_new();
17652
17653 gen_load_gpr(t0, rt);
17654 gen_load_gpr(t1, rs);
17655
17656 gen_helper_dinsv(cpu_gpr[rt], cpu_env, t1, t0);
17657
17658 tcg_temp_free(t0);
17659 tcg_temp_free(t1);
17660 break;
17661 }
17662 default: /* Invalid */
17663 MIPS_INVAL("MASK DINSV");
17664 generate_exception_end(ctx, EXCP_RI);
17665 break;
17666 }
17667 break;
17668 case OPC_SHLL_OB_DSP:
17669 gen_mipsdsp_shift(ctx, op1, rd, rs, rt);
17670 break;
17671 #endif
17672 default: /* Invalid */
17673 MIPS_INVAL("special3_legacy");
17674 generate_exception_end(ctx, EXCP_RI);
17675 break;
17676 }
17677 }
17678
17679 static void decode_opc_special3(CPUMIPSState *env, DisasContext *ctx)
17680 {
17681 int rs, rt, rd, sa;
17682 uint32_t op1, op2;
17683
17684 rs = (ctx->opcode >> 21) & 0x1f;
17685 rt = (ctx->opcode >> 16) & 0x1f;
17686 rd = (ctx->opcode >> 11) & 0x1f;
17687 sa = (ctx->opcode >> 6) & 0x1f;
17688
17689 op1 = MASK_SPECIAL3(ctx->opcode);
17690 switch (op1) {
17691 case OPC_EXT:
17692 case OPC_INS:
17693 check_insn(ctx, ISA_MIPS32R2);
17694 gen_bitops(ctx, op1, rt, rs, sa, rd);
17695 break;
17696 case OPC_BSHFL:
17697 op2 = MASK_BSHFL(ctx->opcode);
17698 switch (op2) {
17699 case OPC_ALIGN ... OPC_ALIGN_END:
17700 case OPC_BITSWAP:
17701 check_insn(ctx, ISA_MIPS32R6);
17702 decode_opc_special3_r6(env, ctx);
17703 break;
17704 default:
17705 check_insn(ctx, ISA_MIPS32R2);
17706 gen_bshfl(ctx, op2, rt, rd);
17707 break;
17708 }
17709 break;
17710 #if defined(TARGET_MIPS64)
17711 case OPC_DEXTM ... OPC_DEXT:
17712 case OPC_DINSM ... OPC_DINS:
17713 check_insn(ctx, ISA_MIPS64R2);
17714 check_mips_64(ctx);
17715 gen_bitops(ctx, op1, rt, rs, sa, rd);
17716 break;
17717 case OPC_DBSHFL:
17718 op2 = MASK_DBSHFL(ctx->opcode);
17719 switch (op2) {
17720 case OPC_DALIGN ... OPC_DALIGN_END:
17721 case OPC_DBITSWAP:
17722 check_insn(ctx, ISA_MIPS32R6);
17723 decode_opc_special3_r6(env, ctx);
17724 break;
17725 default:
17726 check_insn(ctx, ISA_MIPS64R2);
17727 check_mips_64(ctx);
17728 op2 = MASK_DBSHFL(ctx->opcode);
17729 gen_bshfl(ctx, op2, rt, rd);
17730 break;
17731 }
17732 break;
17733 #endif
17734 case OPC_RDHWR:
17735 gen_rdhwr(ctx, rt, rd);
17736 break;
17737 case OPC_FORK:
17738 check_insn(ctx, ASE_MT);
17739 {
17740 TCGv t0 = tcg_temp_new();
17741 TCGv t1 = tcg_temp_new();
17742
17743 gen_load_gpr(t0, rt);
17744 gen_load_gpr(t1, rs);
17745 gen_helper_fork(t0, t1);
17746 tcg_temp_free(t0);
17747 tcg_temp_free(t1);
17748 }
17749 break;
17750 case OPC_YIELD:
17751 check_insn(ctx, ASE_MT);
17752 {
17753 TCGv t0 = tcg_temp_new();
17754
17755 gen_load_gpr(t0, rs);
17756 gen_helper_yield(t0, cpu_env, t0);
17757 gen_store_gpr(t0, rd);
17758 tcg_temp_free(t0);
17759 }
17760 break;
17761 default:
17762 if (ctx->insn_flags & ISA_MIPS32R6) {
17763 decode_opc_special3_r6(env, ctx);
17764 } else {
17765 decode_opc_special3_legacy(env, ctx);
17766 }
17767 }
17768 }
17769
17770 /* MIPS SIMD Architecture (MSA) */
17771 static inline int check_msa_access(DisasContext *ctx)
17772 {
17773 if (unlikely((ctx->hflags & MIPS_HFLAG_FPU) &&
17774 !(ctx->hflags & MIPS_HFLAG_F64))) {
17775 generate_exception_end(ctx, EXCP_RI);
17776 return 0;
17777 }
17778
17779 if (unlikely(!(ctx->hflags & MIPS_HFLAG_MSA))) {
17780 if (ctx->insn_flags & ASE_MSA) {
17781 generate_exception_end(ctx, EXCP_MSADIS);
17782 return 0;
17783 } else {
17784 generate_exception_end(ctx, EXCP_RI);
17785 return 0;
17786 }
17787 }
17788 return 1;
17789 }
17790
17791 static void gen_check_zero_element(TCGv tresult, uint8_t df, uint8_t wt)
17792 {
17793 /* generates tcg ops to check if any element is 0 */
17794 /* Note this function only works with MSA_WRLEN = 128 */
17795 uint64_t eval_zero_or_big = 0;
17796 uint64_t eval_big = 0;
17797 TCGv_i64 t0 = tcg_temp_new_i64();
17798 TCGv_i64 t1 = tcg_temp_new_i64();
17799 switch (df) {
17800 case DF_BYTE:
17801 eval_zero_or_big = 0x0101010101010101ULL;
17802 eval_big = 0x8080808080808080ULL;
17803 break;
17804 case DF_HALF:
17805 eval_zero_or_big = 0x0001000100010001ULL;
17806 eval_big = 0x8000800080008000ULL;
17807 break;
17808 case DF_WORD:
17809 eval_zero_or_big = 0x0000000100000001ULL;
17810 eval_big = 0x8000000080000000ULL;
17811 break;
17812 case DF_DOUBLE:
17813 eval_zero_or_big = 0x0000000000000001ULL;
17814 eval_big = 0x8000000000000000ULL;
17815 break;
17816 }
17817 tcg_gen_subi_i64(t0, msa_wr_d[wt<<1], eval_zero_or_big);
17818 tcg_gen_andc_i64(t0, t0, msa_wr_d[wt<<1]);
17819 tcg_gen_andi_i64(t0, t0, eval_big);
17820 tcg_gen_subi_i64(t1, msa_wr_d[(wt<<1)+1], eval_zero_or_big);
17821 tcg_gen_andc_i64(t1, t1, msa_wr_d[(wt<<1)+1]);
17822 tcg_gen_andi_i64(t1, t1, eval_big);
17823 tcg_gen_or_i64(t0, t0, t1);
17824 /* if all bits are zero then all elements are not zero */
17825 /* if some bit is non-zero then some element is zero */
17826 tcg_gen_setcondi_i64(TCG_COND_NE, t0, t0, 0);
17827 tcg_gen_trunc_i64_tl(tresult, t0);
17828 tcg_temp_free_i64(t0);
17829 tcg_temp_free_i64(t1);
17830 }
17831
17832 static void gen_msa_branch(CPUMIPSState *env, DisasContext *ctx, uint32_t op1)
17833 {
17834 uint8_t df = (ctx->opcode >> 21) & 0x3;
17835 uint8_t wt = (ctx->opcode >> 16) & 0x1f;
17836 int64_t s16 = (int16_t)ctx->opcode;
17837
17838 check_msa_access(ctx);
17839
17840 if (ctx->insn_flags & ISA_MIPS32R6 && ctx->hflags & MIPS_HFLAG_BMASK) {
17841 generate_exception_end(ctx, EXCP_RI);
17842 return;
17843 }
17844 switch (op1) {
17845 case OPC_BZ_V:
17846 case OPC_BNZ_V:
17847 {
17848 TCGv_i64 t0 = tcg_temp_new_i64();
17849 tcg_gen_or_i64(t0, msa_wr_d[wt<<1], msa_wr_d[(wt<<1)+1]);
17850 tcg_gen_setcondi_i64((op1 == OPC_BZ_V) ?
17851 TCG_COND_EQ : TCG_COND_NE, t0, t0, 0);
17852 tcg_gen_trunc_i64_tl(bcond, t0);
17853 tcg_temp_free_i64(t0);
17854 }
17855 break;
17856 case OPC_BZ_B:
17857 case OPC_BZ_H:
17858 case OPC_BZ_W:
17859 case OPC_BZ_D:
17860 gen_check_zero_element(bcond, df, wt);
17861 break;
17862 case OPC_BNZ_B:
17863 case OPC_BNZ_H:
17864 case OPC_BNZ_W:
17865 case OPC_BNZ_D:
17866 gen_check_zero_element(bcond, df, wt);
17867 tcg_gen_setcondi_tl(TCG_COND_EQ, bcond, bcond, 0);
17868 break;
17869 }
17870
17871 ctx->btarget = ctx->pc + (s16 << 2) + 4;
17872
17873 ctx->hflags |= MIPS_HFLAG_BC;
17874 ctx->hflags |= MIPS_HFLAG_BDS32;
17875 }
17876
17877 static void gen_msa_i8(CPUMIPSState *env, DisasContext *ctx)
17878 {
17879 #define MASK_MSA_I8(op) (MASK_MSA_MINOR(op) | (op & (0x03 << 24)))
17880 uint8_t i8 = (ctx->opcode >> 16) & 0xff;
17881 uint8_t ws = (ctx->opcode >> 11) & 0x1f;
17882 uint8_t wd = (ctx->opcode >> 6) & 0x1f;
17883
17884 TCGv_i32 twd = tcg_const_i32(wd);
17885 TCGv_i32 tws = tcg_const_i32(ws);
17886 TCGv_i32 ti8 = tcg_const_i32(i8);
17887
17888 switch (MASK_MSA_I8(ctx->opcode)) {
17889 case OPC_ANDI_B:
17890 gen_helper_msa_andi_b(cpu_env, twd, tws, ti8);
17891 break;
17892 case OPC_ORI_B:
17893 gen_helper_msa_ori_b(cpu_env, twd, tws, ti8);
17894 break;
17895 case OPC_NORI_B:
17896 gen_helper_msa_nori_b(cpu_env, twd, tws, ti8);
17897 break;
17898 case OPC_XORI_B:
17899 gen_helper_msa_xori_b(cpu_env, twd, tws, ti8);
17900 break;
17901 case OPC_BMNZI_B:
17902 gen_helper_msa_bmnzi_b(cpu_env, twd, tws, ti8);
17903 break;
17904 case OPC_BMZI_B:
17905 gen_helper_msa_bmzi_b(cpu_env, twd, tws, ti8);
17906 break;
17907 case OPC_BSELI_B:
17908 gen_helper_msa_bseli_b(cpu_env, twd, tws, ti8);
17909 break;
17910 case OPC_SHF_B:
17911 case OPC_SHF_H:
17912 case OPC_SHF_W:
17913 {
17914 uint8_t df = (ctx->opcode >> 24) & 0x3;
17915 if (df == DF_DOUBLE) {
17916 generate_exception_end(ctx, EXCP_RI);
17917 } else {
17918 TCGv_i32 tdf = tcg_const_i32(df);
17919 gen_helper_msa_shf_df(cpu_env, tdf, twd, tws, ti8);
17920 tcg_temp_free_i32(tdf);
17921 }
17922 }
17923 break;
17924 default:
17925 MIPS_INVAL("MSA instruction");
17926 generate_exception_end(ctx, EXCP_RI);
17927 break;
17928 }
17929
17930 tcg_temp_free_i32(twd);
17931 tcg_temp_free_i32(tws);
17932 tcg_temp_free_i32(ti8);
17933 }
17934
17935 static void gen_msa_i5(CPUMIPSState *env, DisasContext *ctx)
17936 {
17937 #define MASK_MSA_I5(op) (MASK_MSA_MINOR(op) | (op & (0x7 << 23)))
17938 uint8_t df = (ctx->opcode >> 21) & 0x3;
17939 int8_t s5 = (int8_t) sextract32(ctx->opcode, 16, 5);
17940 uint8_t u5 = (ctx->opcode >> 16) & 0x1f;
17941 uint8_t ws = (ctx->opcode >> 11) & 0x1f;
17942 uint8_t wd = (ctx->opcode >> 6) & 0x1f;
17943
17944 TCGv_i32 tdf = tcg_const_i32(df);
17945 TCGv_i32 twd = tcg_const_i32(wd);
17946 TCGv_i32 tws = tcg_const_i32(ws);
17947 TCGv_i32 timm = tcg_temp_new_i32();
17948 tcg_gen_movi_i32(timm, u5);
17949
17950 switch (MASK_MSA_I5(ctx->opcode)) {
17951 case OPC_ADDVI_df:
17952 gen_helper_msa_addvi_df(cpu_env, tdf, twd, tws, timm);
17953 break;
17954 case OPC_SUBVI_df:
17955 gen_helper_msa_subvi_df(cpu_env, tdf, twd, tws, timm);
17956 break;
17957 case OPC_MAXI_S_df:
17958 tcg_gen_movi_i32(timm, s5);
17959 gen_helper_msa_maxi_s_df(cpu_env, tdf, twd, tws, timm);
17960 break;
17961 case OPC_MAXI_U_df:
17962 gen_helper_msa_maxi_u_df(cpu_env, tdf, twd, tws, timm);
17963 break;
17964 case OPC_MINI_S_df:
17965 tcg_gen_movi_i32(timm, s5);
17966 gen_helper_msa_mini_s_df(cpu_env, tdf, twd, tws, timm);
17967 break;
17968 case OPC_MINI_U_df:
17969 gen_helper_msa_mini_u_df(cpu_env, tdf, twd, tws, timm);
17970 break;
17971 case OPC_CEQI_df:
17972 tcg_gen_movi_i32(timm, s5);
17973 gen_helper_msa_ceqi_df(cpu_env, tdf, twd, tws, timm);
17974 break;
17975 case OPC_CLTI_S_df:
17976 tcg_gen_movi_i32(timm, s5);
17977 gen_helper_msa_clti_s_df(cpu_env, tdf, twd, tws, timm);
17978 break;
17979 case OPC_CLTI_U_df:
17980 gen_helper_msa_clti_u_df(cpu_env, tdf, twd, tws, timm);
17981 break;
17982 case OPC_CLEI_S_df:
17983 tcg_gen_movi_i32(timm, s5);
17984 gen_helper_msa_clei_s_df(cpu_env, tdf, twd, tws, timm);
17985 break;
17986 case OPC_CLEI_U_df:
17987 gen_helper_msa_clei_u_df(cpu_env, tdf, twd, tws, timm);
17988 break;
17989 case OPC_LDI_df:
17990 {
17991 int32_t s10 = sextract32(ctx->opcode, 11, 10);
17992 tcg_gen_movi_i32(timm, s10);
17993 gen_helper_msa_ldi_df(cpu_env, tdf, twd, timm);
17994 }
17995 break;
17996 default:
17997 MIPS_INVAL("MSA instruction");
17998 generate_exception_end(ctx, EXCP_RI);
17999 break;
18000 }
18001
18002 tcg_temp_free_i32(tdf);
18003 tcg_temp_free_i32(twd);
18004 tcg_temp_free_i32(tws);
18005 tcg_temp_free_i32(timm);
18006 }
18007
18008 static void gen_msa_bit(CPUMIPSState *env, DisasContext *ctx)
18009 {
18010 #define MASK_MSA_BIT(op) (MASK_MSA_MINOR(op) | (op & (0x7 << 23)))
18011 uint8_t dfm = (ctx->opcode >> 16) & 0x7f;
18012 uint32_t df = 0, m = 0;
18013 uint8_t ws = (ctx->opcode >> 11) & 0x1f;
18014 uint8_t wd = (ctx->opcode >> 6) & 0x1f;
18015
18016 TCGv_i32 tdf;
18017 TCGv_i32 tm;
18018 TCGv_i32 twd;
18019 TCGv_i32 tws;
18020
18021 if ((dfm & 0x40) == 0x00) {
18022 m = dfm & 0x3f;
18023 df = DF_DOUBLE;
18024 } else if ((dfm & 0x60) == 0x40) {
18025 m = dfm & 0x1f;
18026 df = DF_WORD;
18027 } else if ((dfm & 0x70) == 0x60) {
18028 m = dfm & 0x0f;
18029 df = DF_HALF;
18030 } else if ((dfm & 0x78) == 0x70) {
18031 m = dfm & 0x7;
18032 df = DF_BYTE;
18033 } else {
18034 generate_exception_end(ctx, EXCP_RI);
18035 return;
18036 }
18037
18038 tdf = tcg_const_i32(df);
18039 tm = tcg_const_i32(m);
18040 twd = tcg_const_i32(wd);
18041 tws = tcg_const_i32(ws);
18042
18043 switch (MASK_MSA_BIT(ctx->opcode)) {
18044 case OPC_SLLI_df:
18045 gen_helper_msa_slli_df(cpu_env, tdf, twd, tws, tm);
18046 break;
18047 case OPC_SRAI_df:
18048 gen_helper_msa_srai_df(cpu_env, tdf, twd, tws, tm);
18049 break;
18050 case OPC_SRLI_df:
18051 gen_helper_msa_srli_df(cpu_env, tdf, twd, tws, tm);
18052 break;
18053 case OPC_BCLRI_df:
18054 gen_helper_msa_bclri_df(cpu_env, tdf, twd, tws, tm);
18055 break;
18056 case OPC_BSETI_df:
18057 gen_helper_msa_bseti_df(cpu_env, tdf, twd, tws, tm);
18058 break;
18059 case OPC_BNEGI_df:
18060 gen_helper_msa_bnegi_df(cpu_env, tdf, twd, tws, tm);
18061 break;
18062 case OPC_BINSLI_df:
18063 gen_helper_msa_binsli_df(cpu_env, tdf, twd, tws, tm);
18064 break;
18065 case OPC_BINSRI_df:
18066 gen_helper_msa_binsri_df(cpu_env, tdf, twd, tws, tm);
18067 break;
18068 case OPC_SAT_S_df:
18069 gen_helper_msa_sat_s_df(cpu_env, tdf, twd, tws, tm);
18070 break;
18071 case OPC_SAT_U_df:
18072 gen_helper_msa_sat_u_df(cpu_env, tdf, twd, tws, tm);
18073 break;
18074 case OPC_SRARI_df:
18075 gen_helper_msa_srari_df(cpu_env, tdf, twd, tws, tm);
18076 break;
18077 case OPC_SRLRI_df:
18078 gen_helper_msa_srlri_df(cpu_env, tdf, twd, tws, tm);
18079 break;
18080 default:
18081 MIPS_INVAL("MSA instruction");
18082 generate_exception_end(ctx, EXCP_RI);
18083 break;
18084 }
18085
18086 tcg_temp_free_i32(tdf);
18087 tcg_temp_free_i32(tm);
18088 tcg_temp_free_i32(twd);
18089 tcg_temp_free_i32(tws);
18090 }
18091
18092 static void gen_msa_3r(CPUMIPSState *env, DisasContext *ctx)
18093 {
18094 #define MASK_MSA_3R(op) (MASK_MSA_MINOR(op) | (op & (0x7 << 23)))
18095 uint8_t df = (ctx->opcode >> 21) & 0x3;
18096 uint8_t wt = (ctx->opcode >> 16) & 0x1f;
18097 uint8_t ws = (ctx->opcode >> 11) & 0x1f;
18098 uint8_t wd = (ctx->opcode >> 6) & 0x1f;
18099
18100 TCGv_i32 tdf = tcg_const_i32(df);
18101 TCGv_i32 twd = tcg_const_i32(wd);
18102 TCGv_i32 tws = tcg_const_i32(ws);
18103 TCGv_i32 twt = tcg_const_i32(wt);
18104
18105 switch (MASK_MSA_3R(ctx->opcode)) {
18106 case OPC_SLL_df:
18107 gen_helper_msa_sll_df(cpu_env, tdf, twd, tws, twt);
18108 break;
18109 case OPC_ADDV_df:
18110 gen_helper_msa_addv_df(cpu_env, tdf, twd, tws, twt);
18111 break;
18112 case OPC_CEQ_df:
18113 gen_helper_msa_ceq_df(cpu_env, tdf, twd, tws, twt);
18114 break;
18115 case OPC_ADD_A_df:
18116 gen_helper_msa_add_a_df(cpu_env, tdf, twd, tws, twt);
18117 break;
18118 case OPC_SUBS_S_df:
18119 gen_helper_msa_subs_s_df(cpu_env, tdf, twd, tws, twt);
18120 break;
18121 case OPC_MULV_df:
18122 gen_helper_msa_mulv_df(cpu_env, tdf, twd, tws, twt);
18123 break;
18124 case OPC_SLD_df:
18125 gen_helper_msa_sld_df(cpu_env, tdf, twd, tws, twt);
18126 break;
18127 case OPC_VSHF_df:
18128 gen_helper_msa_vshf_df(cpu_env, tdf, twd, tws, twt);
18129 break;
18130 case OPC_SRA_df:
18131 gen_helper_msa_sra_df(cpu_env, tdf, twd, tws, twt);
18132 break;
18133 case OPC_SUBV_df:
18134 gen_helper_msa_subv_df(cpu_env, tdf, twd, tws, twt);
18135 break;
18136 case OPC_ADDS_A_df:
18137 gen_helper_msa_adds_a_df(cpu_env, tdf, twd, tws, twt);
18138 break;
18139 case OPC_SUBS_U_df:
18140 gen_helper_msa_subs_u_df(cpu_env, tdf, twd, tws, twt);
18141 break;
18142 case OPC_MADDV_df:
18143 gen_helper_msa_maddv_df(cpu_env, tdf, twd, tws, twt);
18144 break;
18145 case OPC_SPLAT_df:
18146 gen_helper_msa_splat_df(cpu_env, tdf, twd, tws, twt);
18147 break;
18148 case OPC_SRAR_df:
18149 gen_helper_msa_srar_df(cpu_env, tdf, twd, tws, twt);
18150 break;
18151 case OPC_SRL_df:
18152 gen_helper_msa_srl_df(cpu_env, tdf, twd, tws, twt);
18153 break;
18154 case OPC_MAX_S_df:
18155 gen_helper_msa_max_s_df(cpu_env, tdf, twd, tws, twt);
18156 break;
18157 case OPC_CLT_S_df:
18158 gen_helper_msa_clt_s_df(cpu_env, tdf, twd, tws, twt);
18159 break;
18160 case OPC_ADDS_S_df:
18161 gen_helper_msa_adds_s_df(cpu_env, tdf, twd, tws, twt);
18162 break;
18163 case OPC_SUBSUS_U_df:
18164 gen_helper_msa_subsus_u_df(cpu_env, tdf, twd, tws, twt);
18165 break;
18166 case OPC_MSUBV_df:
18167 gen_helper_msa_msubv_df(cpu_env, tdf, twd, tws, twt);
18168 break;
18169 case OPC_PCKEV_df:
18170 gen_helper_msa_pckev_df(cpu_env, tdf, twd, tws, twt);
18171 break;
18172 case OPC_SRLR_df:
18173 gen_helper_msa_srlr_df(cpu_env, tdf, twd, tws, twt);
18174 break;
18175 case OPC_BCLR_df:
18176 gen_helper_msa_bclr_df(cpu_env, tdf, twd, tws, twt);
18177 break;
18178 case OPC_MAX_U_df:
18179 gen_helper_msa_max_u_df(cpu_env, tdf, twd, tws, twt);
18180 break;
18181 case OPC_CLT_U_df:
18182 gen_helper_msa_clt_u_df(cpu_env, tdf, twd, tws, twt);
18183 break;
18184 case OPC_ADDS_U_df:
18185 gen_helper_msa_adds_u_df(cpu_env, tdf, twd, tws, twt);
18186 break;
18187 case OPC_SUBSUU_S_df:
18188 gen_helper_msa_subsuu_s_df(cpu_env, tdf, twd, tws, twt);
18189 break;
18190 case OPC_PCKOD_df:
18191 gen_helper_msa_pckod_df(cpu_env, tdf, twd, tws, twt);
18192 break;
18193 case OPC_BSET_df:
18194 gen_helper_msa_bset_df(cpu_env, tdf, twd, tws, twt);
18195 break;
18196 case OPC_MIN_S_df:
18197 gen_helper_msa_min_s_df(cpu_env, tdf, twd, tws, twt);
18198 break;
18199 case OPC_CLE_S_df:
18200 gen_helper_msa_cle_s_df(cpu_env, tdf, twd, tws, twt);
18201 break;
18202 case OPC_AVE_S_df:
18203 gen_helper_msa_ave_s_df(cpu_env, tdf, twd, tws, twt);
18204 break;
18205 case OPC_ASUB_S_df:
18206 gen_helper_msa_asub_s_df(cpu_env, tdf, twd, tws, twt);
18207 break;
18208 case OPC_DIV_S_df:
18209 gen_helper_msa_div_s_df(cpu_env, tdf, twd, tws, twt);
18210 break;
18211 case OPC_ILVL_df:
18212 gen_helper_msa_ilvl_df(cpu_env, tdf, twd, tws, twt);
18213 break;
18214 case OPC_BNEG_df:
18215 gen_helper_msa_bneg_df(cpu_env, tdf, twd, tws, twt);
18216 break;
18217 case OPC_MIN_U_df:
18218 gen_helper_msa_min_u_df(cpu_env, tdf, twd, tws, twt);
18219 break;
18220 case OPC_CLE_U_df:
18221 gen_helper_msa_cle_u_df(cpu_env, tdf, twd, tws, twt);
18222 break;
18223 case OPC_AVE_U_df:
18224 gen_helper_msa_ave_u_df(cpu_env, tdf, twd, tws, twt);
18225 break;
18226 case OPC_ASUB_U_df:
18227 gen_helper_msa_asub_u_df(cpu_env, tdf, twd, tws, twt);
18228 break;
18229 case OPC_DIV_U_df:
18230 gen_helper_msa_div_u_df(cpu_env, tdf, twd, tws, twt);
18231 break;
18232 case OPC_ILVR_df:
18233 gen_helper_msa_ilvr_df(cpu_env, tdf, twd, tws, twt);
18234 break;
18235 case OPC_BINSL_df:
18236 gen_helper_msa_binsl_df(cpu_env, tdf, twd, tws, twt);
18237 break;
18238 case OPC_MAX_A_df:
18239 gen_helper_msa_max_a_df(cpu_env, tdf, twd, tws, twt);
18240 break;
18241 case OPC_AVER_S_df:
18242 gen_helper_msa_aver_s_df(cpu_env, tdf, twd, tws, twt);
18243 break;
18244 case OPC_MOD_S_df:
18245 gen_helper_msa_mod_s_df(cpu_env, tdf, twd, tws, twt);
18246 break;
18247 case OPC_ILVEV_df:
18248 gen_helper_msa_ilvev_df(cpu_env, tdf, twd, tws, twt);
18249 break;
18250 case OPC_BINSR_df:
18251 gen_helper_msa_binsr_df(cpu_env, tdf, twd, tws, twt);
18252 break;
18253 case OPC_MIN_A_df:
18254 gen_helper_msa_min_a_df(cpu_env, tdf, twd, tws, twt);
18255 break;
18256 case OPC_AVER_U_df:
18257 gen_helper_msa_aver_u_df(cpu_env, tdf, twd, tws, twt);
18258 break;
18259 case OPC_MOD_U_df:
18260 gen_helper_msa_mod_u_df(cpu_env, tdf, twd, tws, twt);
18261 break;
18262 case OPC_ILVOD_df:
18263 gen_helper_msa_ilvod_df(cpu_env, tdf, twd, tws, twt);
18264 break;
18265
18266 case OPC_DOTP_S_df:
18267 case OPC_DOTP_U_df:
18268 case OPC_DPADD_S_df:
18269 case OPC_DPADD_U_df:
18270 case OPC_DPSUB_S_df:
18271 case OPC_HADD_S_df:
18272 case OPC_DPSUB_U_df:
18273 case OPC_HADD_U_df:
18274 case OPC_HSUB_S_df:
18275 case OPC_HSUB_U_df:
18276 if (df == DF_BYTE) {
18277 generate_exception_end(ctx, EXCP_RI);
18278 break;
18279 }
18280 switch (MASK_MSA_3R(ctx->opcode)) {
18281 case OPC_DOTP_S_df:
18282 gen_helper_msa_dotp_s_df(cpu_env, tdf, twd, tws, twt);
18283 break;
18284 case OPC_DOTP_U_df:
18285 gen_helper_msa_dotp_u_df(cpu_env, tdf, twd, tws, twt);
18286 break;
18287 case OPC_DPADD_S_df:
18288 gen_helper_msa_dpadd_s_df(cpu_env, tdf, twd, tws, twt);
18289 break;
18290 case OPC_DPADD_U_df:
18291 gen_helper_msa_dpadd_u_df(cpu_env, tdf, twd, tws, twt);
18292 break;
18293 case OPC_DPSUB_S_df:
18294 gen_helper_msa_dpsub_s_df(cpu_env, tdf, twd, tws, twt);
18295 break;
18296 case OPC_HADD_S_df:
18297 gen_helper_msa_hadd_s_df(cpu_env, tdf, twd, tws, twt);
18298 break;
18299 case OPC_DPSUB_U_df:
18300 gen_helper_msa_dpsub_u_df(cpu_env, tdf, twd, tws, twt);
18301 break;
18302 case OPC_HADD_U_df:
18303 gen_helper_msa_hadd_u_df(cpu_env, tdf, twd, tws, twt);
18304 break;
18305 case OPC_HSUB_S_df:
18306 gen_helper_msa_hsub_s_df(cpu_env, tdf, twd, tws, twt);
18307 break;
18308 case OPC_HSUB_U_df:
18309 gen_helper_msa_hsub_u_df(cpu_env, tdf, twd, tws, twt);
18310 break;
18311 }
18312 break;
18313 default:
18314 MIPS_INVAL("MSA instruction");
18315 generate_exception_end(ctx, EXCP_RI);
18316 break;
18317 }
18318 tcg_temp_free_i32(twd);
18319 tcg_temp_free_i32(tws);
18320 tcg_temp_free_i32(twt);
18321 tcg_temp_free_i32(tdf);
18322 }
18323
18324 static void gen_msa_elm_3e(CPUMIPSState *env, DisasContext *ctx)
18325 {
18326 #define MASK_MSA_ELM_DF3E(op) (MASK_MSA_MINOR(op) | (op & (0x3FF << 16)))
18327 uint8_t source = (ctx->opcode >> 11) & 0x1f;
18328 uint8_t dest = (ctx->opcode >> 6) & 0x1f;
18329 TCGv telm = tcg_temp_new();
18330 TCGv_i32 tsr = tcg_const_i32(source);
18331 TCGv_i32 tdt = tcg_const_i32(dest);
18332
18333 switch (MASK_MSA_ELM_DF3E(ctx->opcode)) {
18334 case OPC_CTCMSA:
18335 gen_load_gpr(telm, source);
18336 gen_helper_msa_ctcmsa(cpu_env, telm, tdt);
18337 break;
18338 case OPC_CFCMSA:
18339 gen_helper_msa_cfcmsa(telm, cpu_env, tsr);
18340 gen_store_gpr(telm, dest);
18341 break;
18342 case OPC_MOVE_V:
18343 gen_helper_msa_move_v(cpu_env, tdt, tsr);
18344 break;
18345 default:
18346 MIPS_INVAL("MSA instruction");
18347 generate_exception_end(ctx, EXCP_RI);
18348 break;
18349 }
18350
18351 tcg_temp_free(telm);
18352 tcg_temp_free_i32(tdt);
18353 tcg_temp_free_i32(tsr);
18354 }
18355
18356 static void gen_msa_elm_df(CPUMIPSState *env, DisasContext *ctx, uint32_t df,
18357 uint32_t n)
18358 {
18359 #define MASK_MSA_ELM(op) (MASK_MSA_MINOR(op) | (op & (0xf << 22)))
18360 uint8_t ws = (ctx->opcode >> 11) & 0x1f;
18361 uint8_t wd = (ctx->opcode >> 6) & 0x1f;
18362
18363 TCGv_i32 tws = tcg_const_i32(ws);
18364 TCGv_i32 twd = tcg_const_i32(wd);
18365 TCGv_i32 tn = tcg_const_i32(n);
18366 TCGv_i32 tdf = tcg_const_i32(df);
18367
18368 switch (MASK_MSA_ELM(ctx->opcode)) {
18369 case OPC_SLDI_df:
18370 gen_helper_msa_sldi_df(cpu_env, tdf, twd, tws, tn);
18371 break;
18372 case OPC_SPLATI_df:
18373 gen_helper_msa_splati_df(cpu_env, tdf, twd, tws, tn);
18374 break;
18375 case OPC_INSVE_df:
18376 gen_helper_msa_insve_df(cpu_env, tdf, twd, tws, tn);
18377 break;
18378 case OPC_COPY_S_df:
18379 case OPC_COPY_U_df:
18380 case OPC_INSERT_df:
18381 #if !defined(TARGET_MIPS64)
18382 /* Double format valid only for MIPS64 */
18383 if (df == DF_DOUBLE) {
18384 generate_exception_end(ctx, EXCP_RI);
18385 break;
18386 }
18387 #endif
18388 switch (MASK_MSA_ELM(ctx->opcode)) {
18389 case OPC_COPY_S_df:
18390 gen_helper_msa_copy_s_df(cpu_env, tdf, twd, tws, tn);
18391 break;
18392 case OPC_COPY_U_df:
18393 gen_helper_msa_copy_u_df(cpu_env, tdf, twd, tws, tn);
18394 break;
18395 case OPC_INSERT_df:
18396 gen_helper_msa_insert_df(cpu_env, tdf, twd, tws, tn);
18397 break;
18398 }
18399 break;
18400 default:
18401 MIPS_INVAL("MSA instruction");
18402 generate_exception_end(ctx, EXCP_RI);
18403 }
18404 tcg_temp_free_i32(twd);
18405 tcg_temp_free_i32(tws);
18406 tcg_temp_free_i32(tn);
18407 tcg_temp_free_i32(tdf);
18408 }
18409
18410 static void gen_msa_elm(CPUMIPSState *env, DisasContext *ctx)
18411 {
18412 uint8_t dfn = (ctx->opcode >> 16) & 0x3f;
18413 uint32_t df = 0, n = 0;
18414
18415 if ((dfn & 0x30) == 0x00) {
18416 n = dfn & 0x0f;
18417 df = DF_BYTE;
18418 } else if ((dfn & 0x38) == 0x20) {
18419 n = dfn & 0x07;
18420 df = DF_HALF;
18421 } else if ((dfn & 0x3c) == 0x30) {
18422 n = dfn & 0x03;
18423 df = DF_WORD;
18424 } else if ((dfn & 0x3e) == 0x38) {
18425 n = dfn & 0x01;
18426 df = DF_DOUBLE;
18427 } else if (dfn == 0x3E) {
18428 /* CTCMSA, CFCMSA, MOVE.V */
18429 gen_msa_elm_3e(env, ctx);
18430 return;
18431 } else {
18432 generate_exception_end(ctx, EXCP_RI);
18433 return;
18434 }
18435
18436 gen_msa_elm_df(env, ctx, df, n);
18437 }
18438
18439 static void gen_msa_3rf(CPUMIPSState *env, DisasContext *ctx)
18440 {
18441 #define MASK_MSA_3RF(op) (MASK_MSA_MINOR(op) | (op & (0xf << 22)))
18442 uint8_t df = (ctx->opcode >> 21) & 0x1;
18443 uint8_t wt = (ctx->opcode >> 16) & 0x1f;
18444 uint8_t ws = (ctx->opcode >> 11) & 0x1f;
18445 uint8_t wd = (ctx->opcode >> 6) & 0x1f;
18446
18447 TCGv_i32 twd = tcg_const_i32(wd);
18448 TCGv_i32 tws = tcg_const_i32(ws);
18449 TCGv_i32 twt = tcg_const_i32(wt);
18450 TCGv_i32 tdf = tcg_temp_new_i32();
18451
18452 /* adjust df value for floating-point instruction */
18453 tcg_gen_movi_i32(tdf, df + 2);
18454
18455 switch (MASK_MSA_3RF(ctx->opcode)) {
18456 case OPC_FCAF_df:
18457 gen_helper_msa_fcaf_df(cpu_env, tdf, twd, tws, twt);
18458 break;
18459 case OPC_FADD_df:
18460 gen_helper_msa_fadd_df(cpu_env, tdf, twd, tws, twt);
18461 break;
18462 case OPC_FCUN_df:
18463 gen_helper_msa_fcun_df(cpu_env, tdf, twd, tws, twt);
18464 break;
18465 case OPC_FSUB_df:
18466 gen_helper_msa_fsub_df(cpu_env, tdf, twd, tws, twt);
18467 break;
18468 case OPC_FCOR_df:
18469 gen_helper_msa_fcor_df(cpu_env, tdf, twd, tws, twt);
18470 break;
18471 case OPC_FCEQ_df:
18472 gen_helper_msa_fceq_df(cpu_env, tdf, twd, tws, twt);
18473 break;
18474 case OPC_FMUL_df:
18475 gen_helper_msa_fmul_df(cpu_env, tdf, twd, tws, twt);
18476 break;
18477 case OPC_FCUNE_df:
18478 gen_helper_msa_fcune_df(cpu_env, tdf, twd, tws, twt);
18479 break;
18480 case OPC_FCUEQ_df:
18481 gen_helper_msa_fcueq_df(cpu_env, tdf, twd, tws, twt);
18482 break;
18483 case OPC_FDIV_df:
18484 gen_helper_msa_fdiv_df(cpu_env, tdf, twd, tws, twt);
18485 break;
18486 case OPC_FCNE_df:
18487 gen_helper_msa_fcne_df(cpu_env, tdf, twd, tws, twt);
18488 break;
18489 case OPC_FCLT_df:
18490 gen_helper_msa_fclt_df(cpu_env, tdf, twd, tws, twt);
18491 break;
18492 case OPC_FMADD_df:
18493 gen_helper_msa_fmadd_df(cpu_env, tdf, twd, tws, twt);
18494 break;
18495 case OPC_MUL_Q_df:
18496 tcg_gen_movi_i32(tdf, df + 1);
18497 gen_helper_msa_mul_q_df(cpu_env, tdf, twd, tws, twt);
18498 break;
18499 case OPC_FCULT_df:
18500 gen_helper_msa_fcult_df(cpu_env, tdf, twd, tws, twt);
18501 break;
18502 case OPC_FMSUB_df:
18503 gen_helper_msa_fmsub_df(cpu_env, tdf, twd, tws, twt);
18504 break;
18505 case OPC_MADD_Q_df:
18506 tcg_gen_movi_i32(tdf, df + 1);
18507 gen_helper_msa_madd_q_df(cpu_env, tdf, twd, tws, twt);
18508 break;
18509 case OPC_FCLE_df:
18510 gen_helper_msa_fcle_df(cpu_env, tdf, twd, tws, twt);
18511 break;
18512 case OPC_MSUB_Q_df:
18513 tcg_gen_movi_i32(tdf, df + 1);
18514 gen_helper_msa_msub_q_df(cpu_env, tdf, twd, tws, twt);
18515 break;
18516 case OPC_FCULE_df:
18517 gen_helper_msa_fcule_df(cpu_env, tdf, twd, tws, twt);
18518 break;
18519 case OPC_FEXP2_df:
18520 gen_helper_msa_fexp2_df(cpu_env, tdf, twd, tws, twt);
18521 break;
18522 case OPC_FSAF_df:
18523 gen_helper_msa_fsaf_df(cpu_env, tdf, twd, tws, twt);
18524 break;
18525 case OPC_FEXDO_df:
18526 gen_helper_msa_fexdo_df(cpu_env, tdf, twd, tws, twt);
18527 break;
18528 case OPC_FSUN_df:
18529 gen_helper_msa_fsun_df(cpu_env, tdf, twd, tws, twt);
18530 break;
18531 case OPC_FSOR_df:
18532 gen_helper_msa_fsor_df(cpu_env, tdf, twd, tws, twt);
18533 break;
18534 case OPC_FSEQ_df:
18535 gen_helper_msa_fseq_df(cpu_env, tdf, twd, tws, twt);
18536 break;
18537 case OPC_FTQ_df:
18538 gen_helper_msa_ftq_df(cpu_env, tdf, twd, tws, twt);
18539 break;
18540 case OPC_FSUNE_df:
18541 gen_helper_msa_fsune_df(cpu_env, tdf, twd, tws, twt);
18542 break;
18543 case OPC_FSUEQ_df:
18544 gen_helper_msa_fsueq_df(cpu_env, tdf, twd, tws, twt);
18545 break;
18546 case OPC_FSNE_df:
18547 gen_helper_msa_fsne_df(cpu_env, tdf, twd, tws, twt);
18548 break;
18549 case OPC_FSLT_df:
18550 gen_helper_msa_fslt_df(cpu_env, tdf, twd, tws, twt);
18551 break;
18552 case OPC_FMIN_df:
18553 gen_helper_msa_fmin_df(cpu_env, tdf, twd, tws, twt);
18554 break;
18555 case OPC_MULR_Q_df:
18556 tcg_gen_movi_i32(tdf, df + 1);
18557 gen_helper_msa_mulr_q_df(cpu_env, tdf, twd, tws, twt);
18558 break;
18559 case OPC_FSULT_df:
18560 gen_helper_msa_fsult_df(cpu_env, tdf, twd, tws, twt);
18561 break;
18562 case OPC_FMIN_A_df:
18563 gen_helper_msa_fmin_a_df(cpu_env, tdf, twd, tws, twt);
18564 break;
18565 case OPC_MADDR_Q_df:
18566 tcg_gen_movi_i32(tdf, df + 1);
18567 gen_helper_msa_maddr_q_df(cpu_env, tdf, twd, tws, twt);
18568 break;
18569 case OPC_FSLE_df:
18570 gen_helper_msa_fsle_df(cpu_env, tdf, twd, tws, twt);
18571 break;
18572 case OPC_FMAX_df:
18573 gen_helper_msa_fmax_df(cpu_env, tdf, twd, tws, twt);
18574 break;
18575 case OPC_MSUBR_Q_df:
18576 tcg_gen_movi_i32(tdf, df + 1);
18577 gen_helper_msa_msubr_q_df(cpu_env, tdf, twd, tws, twt);
18578 break;
18579 case OPC_FSULE_df:
18580 gen_helper_msa_fsule_df(cpu_env, tdf, twd, tws, twt);
18581 break;
18582 case OPC_FMAX_A_df:
18583 gen_helper_msa_fmax_a_df(cpu_env, tdf, twd, tws, twt);
18584 break;
18585 default:
18586 MIPS_INVAL("MSA instruction");
18587 generate_exception_end(ctx, EXCP_RI);
18588 break;
18589 }
18590
18591 tcg_temp_free_i32(twd);
18592 tcg_temp_free_i32(tws);
18593 tcg_temp_free_i32(twt);
18594 tcg_temp_free_i32(tdf);
18595 }
18596
18597 static void gen_msa_2r(CPUMIPSState *env, DisasContext *ctx)
18598 {
18599 #define MASK_MSA_2R(op) (MASK_MSA_MINOR(op) | (op & (0x1f << 21)) | \
18600 (op & (0x7 << 18)))
18601 uint8_t wt = (ctx->opcode >> 16) & 0x1f;
18602 uint8_t ws = (ctx->opcode >> 11) & 0x1f;
18603 uint8_t wd = (ctx->opcode >> 6) & 0x1f;
18604 uint8_t df = (ctx->opcode >> 16) & 0x3;
18605 TCGv_i32 twd = tcg_const_i32(wd);
18606 TCGv_i32 tws = tcg_const_i32(ws);
18607 TCGv_i32 twt = tcg_const_i32(wt);
18608 TCGv_i32 tdf = tcg_const_i32(df);
18609
18610 switch (MASK_MSA_2R(ctx->opcode)) {
18611 case OPC_FILL_df:
18612 #if !defined(TARGET_MIPS64)
18613 /* Double format valid only for MIPS64 */
18614 if (df == DF_DOUBLE) {
18615 generate_exception_end(ctx, EXCP_RI);
18616 break;
18617 }
18618 #endif
18619 gen_helper_msa_fill_df(cpu_env, tdf, twd, tws); /* trs */
18620 break;
18621 case OPC_PCNT_df:
18622 gen_helper_msa_pcnt_df(cpu_env, tdf, twd, tws);
18623 break;
18624 case OPC_NLOC_df:
18625 gen_helper_msa_nloc_df(cpu_env, tdf, twd, tws);
18626 break;
18627 case OPC_NLZC_df:
18628 gen_helper_msa_nlzc_df(cpu_env, tdf, twd, tws);
18629 break;
18630 default:
18631 MIPS_INVAL("MSA instruction");
18632 generate_exception_end(ctx, EXCP_RI);
18633 break;
18634 }
18635
18636 tcg_temp_free_i32(twd);
18637 tcg_temp_free_i32(tws);
18638 tcg_temp_free_i32(twt);
18639 tcg_temp_free_i32(tdf);
18640 }
18641
18642 static void gen_msa_2rf(CPUMIPSState *env, DisasContext *ctx)
18643 {
18644 #define MASK_MSA_2RF(op) (MASK_MSA_MINOR(op) | (op & (0x1f << 21)) | \
18645 (op & (0xf << 17)))
18646 uint8_t wt = (ctx->opcode >> 16) & 0x1f;
18647 uint8_t ws = (ctx->opcode >> 11) & 0x1f;
18648 uint8_t wd = (ctx->opcode >> 6) & 0x1f;
18649 uint8_t df = (ctx->opcode >> 16) & 0x1;
18650 TCGv_i32 twd = tcg_const_i32(wd);
18651 TCGv_i32 tws = tcg_const_i32(ws);
18652 TCGv_i32 twt = tcg_const_i32(wt);
18653 /* adjust df value for floating-point instruction */
18654 TCGv_i32 tdf = tcg_const_i32(df + 2);
18655
18656 switch (MASK_MSA_2RF(ctx->opcode)) {
18657 case OPC_FCLASS_df:
18658 gen_helper_msa_fclass_df(cpu_env, tdf, twd, tws);
18659 break;
18660 case OPC_FTRUNC_S_df:
18661 gen_helper_msa_ftrunc_s_df(cpu_env, tdf, twd, tws);
18662 break;
18663 case OPC_FTRUNC_U_df:
18664 gen_helper_msa_ftrunc_u_df(cpu_env, tdf, twd, tws);
18665 break;
18666 case OPC_FSQRT_df:
18667 gen_helper_msa_fsqrt_df(cpu_env, tdf, twd, tws);
18668 break;
18669 case OPC_FRSQRT_df:
18670 gen_helper_msa_frsqrt_df(cpu_env, tdf, twd, tws);
18671 break;
18672 case OPC_FRCP_df:
18673 gen_helper_msa_frcp_df(cpu_env, tdf, twd, tws);
18674 break;
18675 case OPC_FRINT_df:
18676 gen_helper_msa_frint_df(cpu_env, tdf, twd, tws);
18677 break;
18678 case OPC_FLOG2_df:
18679 gen_helper_msa_flog2_df(cpu_env, tdf, twd, tws);
18680 break;
18681 case OPC_FEXUPL_df:
18682 gen_helper_msa_fexupl_df(cpu_env, tdf, twd, tws);
18683 break;
18684 case OPC_FEXUPR_df:
18685 gen_helper_msa_fexupr_df(cpu_env, tdf, twd, tws);
18686 break;
18687 case OPC_FFQL_df:
18688 gen_helper_msa_ffql_df(cpu_env, tdf, twd, tws);
18689 break;
18690 case OPC_FFQR_df:
18691 gen_helper_msa_ffqr_df(cpu_env, tdf, twd, tws);
18692 break;
18693 case OPC_FTINT_S_df:
18694 gen_helper_msa_ftint_s_df(cpu_env, tdf, twd, tws);
18695 break;
18696 case OPC_FTINT_U_df:
18697 gen_helper_msa_ftint_u_df(cpu_env, tdf, twd, tws);
18698 break;
18699 case OPC_FFINT_S_df:
18700 gen_helper_msa_ffint_s_df(cpu_env, tdf, twd, tws);
18701 break;
18702 case OPC_FFINT_U_df:
18703 gen_helper_msa_ffint_u_df(cpu_env, tdf, twd, tws);
18704 break;
18705 }
18706
18707 tcg_temp_free_i32(twd);
18708 tcg_temp_free_i32(tws);
18709 tcg_temp_free_i32(twt);
18710 tcg_temp_free_i32(tdf);
18711 }
18712
18713 static void gen_msa_vec_v(CPUMIPSState *env, DisasContext *ctx)
18714 {
18715 #define MASK_MSA_VEC(op) (MASK_MSA_MINOR(op) | (op & (0x1f << 21)))
18716 uint8_t wt = (ctx->opcode >> 16) & 0x1f;
18717 uint8_t ws = (ctx->opcode >> 11) & 0x1f;
18718 uint8_t wd = (ctx->opcode >> 6) & 0x1f;
18719 TCGv_i32 twd = tcg_const_i32(wd);
18720 TCGv_i32 tws = tcg_const_i32(ws);
18721 TCGv_i32 twt = tcg_const_i32(wt);
18722
18723 switch (MASK_MSA_VEC(ctx->opcode)) {
18724 case OPC_AND_V:
18725 gen_helper_msa_and_v(cpu_env, twd, tws, twt);
18726 break;
18727 case OPC_OR_V:
18728 gen_helper_msa_or_v(cpu_env, twd, tws, twt);
18729 break;
18730 case OPC_NOR_V:
18731 gen_helper_msa_nor_v(cpu_env, twd, tws, twt);
18732 break;
18733 case OPC_XOR_V:
18734 gen_helper_msa_xor_v(cpu_env, twd, tws, twt);
18735 break;
18736 case OPC_BMNZ_V:
18737 gen_helper_msa_bmnz_v(cpu_env, twd, tws, twt);
18738 break;
18739 case OPC_BMZ_V:
18740 gen_helper_msa_bmz_v(cpu_env, twd, tws, twt);
18741 break;
18742 case OPC_BSEL_V:
18743 gen_helper_msa_bsel_v(cpu_env, twd, tws, twt);
18744 break;
18745 default:
18746 MIPS_INVAL("MSA instruction");
18747 generate_exception_end(ctx, EXCP_RI);
18748 break;
18749 }
18750
18751 tcg_temp_free_i32(twd);
18752 tcg_temp_free_i32(tws);
18753 tcg_temp_free_i32(twt);
18754 }
18755
18756 static void gen_msa_vec(CPUMIPSState *env, DisasContext *ctx)
18757 {
18758 switch (MASK_MSA_VEC(ctx->opcode)) {
18759 case OPC_AND_V:
18760 case OPC_OR_V:
18761 case OPC_NOR_V:
18762 case OPC_XOR_V:
18763 case OPC_BMNZ_V:
18764 case OPC_BMZ_V:
18765 case OPC_BSEL_V:
18766 gen_msa_vec_v(env, ctx);
18767 break;
18768 case OPC_MSA_2R:
18769 gen_msa_2r(env, ctx);
18770 break;
18771 case OPC_MSA_2RF:
18772 gen_msa_2rf(env, ctx);
18773 break;
18774 default:
18775 MIPS_INVAL("MSA instruction");
18776 generate_exception_end(ctx, EXCP_RI);
18777 break;
18778 }
18779 }
18780
18781 static void gen_msa(CPUMIPSState *env, DisasContext *ctx)
18782 {
18783 uint32_t opcode = ctx->opcode;
18784 check_insn(ctx, ASE_MSA);
18785 check_msa_access(ctx);
18786
18787 switch (MASK_MSA_MINOR(opcode)) {
18788 case OPC_MSA_I8_00:
18789 case OPC_MSA_I8_01:
18790 case OPC_MSA_I8_02:
18791 gen_msa_i8(env, ctx);
18792 break;
18793 case OPC_MSA_I5_06:
18794 case OPC_MSA_I5_07:
18795 gen_msa_i5(env, ctx);
18796 break;
18797 case OPC_MSA_BIT_09:
18798 case OPC_MSA_BIT_0A:
18799 gen_msa_bit(env, ctx);
18800 break;
18801 case OPC_MSA_3R_0D:
18802 case OPC_MSA_3R_0E:
18803 case OPC_MSA_3R_0F:
18804 case OPC_MSA_3R_10:
18805 case OPC_MSA_3R_11:
18806 case OPC_MSA_3R_12:
18807 case OPC_MSA_3R_13:
18808 case OPC_MSA_3R_14:
18809 case OPC_MSA_3R_15:
18810 gen_msa_3r(env, ctx);
18811 break;
18812 case OPC_MSA_ELM:
18813 gen_msa_elm(env, ctx);
18814 break;
18815 case OPC_MSA_3RF_1A:
18816 case OPC_MSA_3RF_1B:
18817 case OPC_MSA_3RF_1C:
18818 gen_msa_3rf(env, ctx);
18819 break;
18820 case OPC_MSA_VEC:
18821 gen_msa_vec(env, ctx);
18822 break;
18823 case OPC_LD_B:
18824 case OPC_LD_H:
18825 case OPC_LD_W:
18826 case OPC_LD_D:
18827 case OPC_ST_B:
18828 case OPC_ST_H:
18829 case OPC_ST_W:
18830 case OPC_ST_D:
18831 {
18832 int32_t s10 = sextract32(ctx->opcode, 16, 10);
18833 uint8_t rs = (ctx->opcode >> 11) & 0x1f;
18834 uint8_t wd = (ctx->opcode >> 6) & 0x1f;
18835 uint8_t df = (ctx->opcode >> 0) & 0x3;
18836
18837 TCGv_i32 twd = tcg_const_i32(wd);
18838 TCGv taddr = tcg_temp_new();
18839 gen_base_offset_addr(ctx, taddr, rs, s10 << df);
18840
18841 switch (MASK_MSA_MINOR(opcode)) {
18842 case OPC_LD_B:
18843 gen_helper_msa_ld_b(cpu_env, twd, taddr);
18844 break;
18845 case OPC_LD_H:
18846 gen_helper_msa_ld_h(cpu_env, twd, taddr);
18847 break;
18848 case OPC_LD_W:
18849 gen_helper_msa_ld_w(cpu_env, twd, taddr);
18850 break;
18851 case OPC_LD_D:
18852 gen_helper_msa_ld_d(cpu_env, twd, taddr);
18853 break;
18854 case OPC_ST_B:
18855 gen_helper_msa_st_b(cpu_env, twd, taddr);
18856 break;
18857 case OPC_ST_H:
18858 gen_helper_msa_st_h(cpu_env, twd, taddr);
18859 break;
18860 case OPC_ST_W:
18861 gen_helper_msa_st_w(cpu_env, twd, taddr);
18862 break;
18863 case OPC_ST_D:
18864 gen_helper_msa_st_d(cpu_env, twd, taddr);
18865 break;
18866 }
18867
18868 tcg_temp_free_i32(twd);
18869 tcg_temp_free(taddr);
18870 }
18871 break;
18872 default:
18873 MIPS_INVAL("MSA instruction");
18874 generate_exception_end(ctx, EXCP_RI);
18875 break;
18876 }
18877
18878 }
18879
18880 static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
18881 {
18882 int32_t offset;
18883 int rs, rt, rd, sa;
18884 uint32_t op, op1;
18885 int16_t imm;
18886
18887 /* make sure instructions are on a word boundary */
18888 if (ctx->pc & 0x3) {
18889 env->CP0_BadVAddr = ctx->pc;
18890 generate_exception_err(ctx, EXCP_AdEL, EXCP_INST_NOTAVAIL);
18891 return;
18892 }
18893
18894 /* Handle blikely not taken case */
18895 if ((ctx->hflags & MIPS_HFLAG_BMASK_BASE) == MIPS_HFLAG_BL) {
18896 TCGLabel *l1 = gen_new_label();
18897
18898 tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1);
18899 tcg_gen_movi_i32(hflags, ctx->hflags & ~MIPS_HFLAG_BMASK);
18900 gen_goto_tb(ctx, 1, ctx->pc + 4);
18901 gen_set_label(l1);
18902 }
18903
18904 op = MASK_OP_MAJOR(ctx->opcode);
18905 rs = (ctx->opcode >> 21) & 0x1f;
18906 rt = (ctx->opcode >> 16) & 0x1f;
18907 rd = (ctx->opcode >> 11) & 0x1f;
18908 sa = (ctx->opcode >> 6) & 0x1f;
18909 imm = (int16_t)ctx->opcode;
18910 switch (op) {
18911 case OPC_SPECIAL:
18912 decode_opc_special(env, ctx);
18913 break;
18914 case OPC_SPECIAL2:
18915 decode_opc_special2_legacy(env, ctx);
18916 break;
18917 case OPC_SPECIAL3:
18918 decode_opc_special3(env, ctx);
18919 break;
18920 case OPC_REGIMM:
18921 op1 = MASK_REGIMM(ctx->opcode);
18922 switch (op1) {
18923 case OPC_BLTZL: /* REGIMM branches */
18924 case OPC_BGEZL:
18925 case OPC_BLTZALL:
18926 case OPC_BGEZALL:
18927 check_insn(ctx, ISA_MIPS2);
18928 check_insn_opc_removed(ctx, ISA_MIPS32R6);
18929 /* Fallthrough */
18930 case OPC_BLTZ:
18931 case OPC_BGEZ:
18932 gen_compute_branch(ctx, op1, 4, rs, -1, imm << 2, 4);
18933 break;
18934 case OPC_BLTZAL:
18935 case OPC_BGEZAL:
18936 if (ctx->insn_flags & ISA_MIPS32R6) {
18937 if (rs == 0) {
18938 /* OPC_NAL, OPC_BAL */
18939 gen_compute_branch(ctx, op1, 4, 0, -1, imm << 2, 4);
18940 } else {
18941 generate_exception_end(ctx, EXCP_RI);
18942 }
18943 } else {
18944 gen_compute_branch(ctx, op1, 4, rs, -1, imm << 2, 4);
18945 }
18946 break;
18947 case OPC_TGEI ... OPC_TEQI: /* REGIMM traps */
18948 case OPC_TNEI:
18949 check_insn(ctx, ISA_MIPS2);
18950 check_insn_opc_removed(ctx, ISA_MIPS32R6);
18951 gen_trap(ctx, op1, rs, -1, imm);
18952 break;
18953 case OPC_SYNCI:
18954 check_insn(ctx, ISA_MIPS32R2);
18955 /* Break the TB to be able to sync copied instructions
18956 immediately */
18957 ctx->bstate = BS_STOP;
18958 break;
18959 case OPC_BPOSGE32: /* MIPS DSP branch */
18960 #if defined(TARGET_MIPS64)
18961 case OPC_BPOSGE64:
18962 #endif
18963 check_dsp(ctx);
18964 gen_compute_branch(ctx, op1, 4, -1, -2, (int32_t)imm << 2, 4);
18965 break;
18966 #if defined(TARGET_MIPS64)
18967 case OPC_DAHI:
18968 check_insn(ctx, ISA_MIPS32R6);
18969 check_mips_64(ctx);
18970 if (rs != 0) {
18971 tcg_gen_addi_tl(cpu_gpr[rs], cpu_gpr[rs], (int64_t)imm << 32);
18972 }
18973 break;
18974 case OPC_DATI:
18975 check_insn(ctx, ISA_MIPS32R6);
18976 check_mips_64(ctx);
18977 if (rs != 0) {
18978 tcg_gen_addi_tl(cpu_gpr[rs], cpu_gpr[rs], (int64_t)imm << 48);
18979 }
18980 break;
18981 #endif
18982 default: /* Invalid */
18983 MIPS_INVAL("regimm");
18984 generate_exception_end(ctx, EXCP_RI);
18985 break;
18986 }
18987 break;
18988 case OPC_CP0:
18989 check_cp0_enabled(ctx);
18990 op1 = MASK_CP0(ctx->opcode);
18991 switch (op1) {
18992 case OPC_MFC0:
18993 case OPC_MTC0:
18994 case OPC_MFTR:
18995 case OPC_MTTR:
18996 case OPC_MFHC0:
18997 case OPC_MTHC0:
18998 #if defined(TARGET_MIPS64)
18999 case OPC_DMFC0:
19000 case OPC_DMTC0:
19001 #endif
19002 #ifndef CONFIG_USER_ONLY
19003 gen_cp0(env, ctx, op1, rt, rd);
19004 #endif /* !CONFIG_USER_ONLY */
19005 break;
19006 case OPC_C0_FIRST ... OPC_C0_LAST:
19007 #ifndef CONFIG_USER_ONLY
19008 gen_cp0(env, ctx, MASK_C0(ctx->opcode), rt, rd);
19009 #endif /* !CONFIG_USER_ONLY */
19010 break;
19011 case OPC_MFMC0:
19012 #ifndef CONFIG_USER_ONLY
19013 {
19014 uint32_t op2;
19015 TCGv t0 = tcg_temp_new();
19016
19017 op2 = MASK_MFMC0(ctx->opcode);
19018 switch (op2) {
19019 case OPC_DMT:
19020 check_insn(ctx, ASE_MT);
19021 gen_helper_dmt(t0);
19022 gen_store_gpr(t0, rt);
19023 break;
19024 case OPC_EMT:
19025 check_insn(ctx, ASE_MT);
19026 gen_helper_emt(t0);
19027 gen_store_gpr(t0, rt);
19028 break;
19029 case OPC_DVPE:
19030 check_insn(ctx, ASE_MT);
19031 gen_helper_dvpe(t0, cpu_env);
19032 gen_store_gpr(t0, rt);
19033 break;
19034 case OPC_EVPE:
19035 check_insn(ctx, ASE_MT);
19036 gen_helper_evpe(t0, cpu_env);
19037 gen_store_gpr(t0, rt);
19038 break;
19039 case OPC_DI:
19040 check_insn(ctx, ISA_MIPS32R2);
19041 save_cpu_state(ctx, 1);
19042 gen_helper_di(t0, cpu_env);
19043 gen_store_gpr(t0, rt);
19044 /* Stop translation as we may have switched
19045 the execution mode. */
19046 ctx->bstate = BS_STOP;
19047 break;
19048 case OPC_EI:
19049 check_insn(ctx, ISA_MIPS32R2);
19050 save_cpu_state(ctx, 1);
19051 gen_helper_ei(t0, cpu_env);
19052 gen_store_gpr(t0, rt);
19053 /* Stop translation as we may have switched
19054 the execution mode. */
19055 ctx->bstate = BS_STOP;
19056 break;
19057 default: /* Invalid */
19058 MIPS_INVAL("mfmc0");
19059 generate_exception_end(ctx, EXCP_RI);
19060 break;
19061 }
19062 tcg_temp_free(t0);
19063 }
19064 #endif /* !CONFIG_USER_ONLY */
19065 break;
19066 case OPC_RDPGPR:
19067 check_insn(ctx, ISA_MIPS32R2);
19068 gen_load_srsgpr(rt, rd);
19069 break;
19070 case OPC_WRPGPR:
19071 check_insn(ctx, ISA_MIPS32R2);
19072 gen_store_srsgpr(rt, rd);
19073 break;
19074 default:
19075 MIPS_INVAL("cp0");
19076 generate_exception_end(ctx, EXCP_RI);
19077 break;
19078 }
19079 break;
19080 case OPC_BOVC: /* OPC_BEQZALC, OPC_BEQC, OPC_ADDI */
19081 if (ctx->insn_flags & ISA_MIPS32R6) {
19082 /* OPC_BOVC, OPC_BEQZALC, OPC_BEQC */
19083 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
19084 } else {
19085 /* OPC_ADDI */
19086 /* Arithmetic with immediate opcode */
19087 gen_arith_imm(ctx, op, rt, rs, imm);
19088 }
19089 break;
19090 case OPC_ADDIU:
19091 gen_arith_imm(ctx, op, rt, rs, imm);
19092 break;
19093 case OPC_SLTI: /* Set on less than with immediate opcode */
19094 case OPC_SLTIU:
19095 gen_slt_imm(ctx, op, rt, rs, imm);
19096 break;
19097 case OPC_ANDI: /* Arithmetic with immediate opcode */
19098 case OPC_LUI: /* OPC_AUI */
19099 case OPC_ORI:
19100 case OPC_XORI:
19101 gen_logic_imm(ctx, op, rt, rs, imm);
19102 break;
19103 case OPC_J ... OPC_JAL: /* Jump */
19104 offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2;
19105 gen_compute_branch(ctx, op, 4, rs, rt, offset, 4);
19106 break;
19107 /* Branch */
19108 case OPC_BLEZC: /* OPC_BGEZC, OPC_BGEC, OPC_BLEZL */
19109 if (ctx->insn_flags & ISA_MIPS32R6) {
19110 if (rt == 0) {
19111 generate_exception_end(ctx, EXCP_RI);
19112 break;
19113 }
19114 /* OPC_BLEZC, OPC_BGEZC, OPC_BGEC */
19115 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
19116 } else {
19117 /* OPC_BLEZL */
19118 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4);
19119 }
19120 break;
19121 case OPC_BGTZC: /* OPC_BLTZC, OPC_BLTC, OPC_BGTZL */
19122 if (ctx->insn_flags & ISA_MIPS32R6) {
19123 if (rt == 0) {
19124 generate_exception_end(ctx, EXCP_RI);
19125 break;
19126 }
19127 /* OPC_BGTZC, OPC_BLTZC, OPC_BLTC */
19128 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
19129 } else {
19130 /* OPC_BGTZL */
19131 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4);
19132 }
19133 break;
19134 case OPC_BLEZALC: /* OPC_BGEZALC, OPC_BGEUC, OPC_BLEZ */
19135 if (rt == 0) {
19136 /* OPC_BLEZ */
19137 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4);
19138 } else {
19139 check_insn(ctx, ISA_MIPS32R6);
19140 /* OPC_BLEZALC, OPC_BGEZALC, OPC_BGEUC */
19141 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
19142 }
19143 break;
19144 case OPC_BGTZALC: /* OPC_BLTZALC, OPC_BLTUC, OPC_BGTZ */
19145 if (rt == 0) {
19146 /* OPC_BGTZ */
19147 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4);
19148 } else {
19149 check_insn(ctx, ISA_MIPS32R6);
19150 /* OPC_BGTZALC, OPC_BLTZALC, OPC_BLTUC */
19151 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
19152 }
19153 break;
19154 case OPC_BEQL:
19155 case OPC_BNEL:
19156 check_insn(ctx, ISA_MIPS2);
19157 check_insn_opc_removed(ctx, ISA_MIPS32R6);
19158 /* Fallthrough */
19159 case OPC_BEQ:
19160 case OPC_BNE:
19161 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4);
19162 break;
19163 case OPC_LL: /* Load and stores */
19164 check_insn(ctx, ISA_MIPS2);
19165 /* Fallthrough */
19166 case OPC_LWL:
19167 case OPC_LWR:
19168 check_insn_opc_removed(ctx, ISA_MIPS32R6);
19169 /* Fallthrough */
19170 case OPC_LB ... OPC_LH:
19171 case OPC_LW ... OPC_LHU:
19172 gen_ld(ctx, op, rt, rs, imm);
19173 break;
19174 case OPC_SWL:
19175 case OPC_SWR:
19176 check_insn_opc_removed(ctx, ISA_MIPS32R6);
19177 /* fall through */
19178 case OPC_SB ... OPC_SH:
19179 case OPC_SW:
19180 gen_st(ctx, op, rt, rs, imm);
19181 break;
19182 case OPC_SC:
19183 check_insn(ctx, ISA_MIPS2);
19184 check_insn_opc_removed(ctx, ISA_MIPS32R6);
19185 gen_st_cond(ctx, op, rt, rs, imm);
19186 break;
19187 case OPC_CACHE:
19188 check_insn_opc_removed(ctx, ISA_MIPS32R6);
19189 check_cp0_enabled(ctx);
19190 check_insn(ctx, ISA_MIPS3 | ISA_MIPS32);
19191 /* Treat as NOP. */
19192 break;
19193 case OPC_PREF:
19194 check_insn_opc_removed(ctx, ISA_MIPS32R6);
19195 check_insn(ctx, ISA_MIPS4 | ISA_MIPS32);
19196 /* Treat as NOP. */
19197 break;
19198
19199 /* Floating point (COP1). */
19200 case OPC_LWC1:
19201 case OPC_LDC1:
19202 case OPC_SWC1:
19203 case OPC_SDC1:
19204 gen_cop1_ldst(ctx, op, rt, rs, imm);
19205 break;
19206
19207 case OPC_CP1:
19208 op1 = MASK_CP1(ctx->opcode);
19209
19210 switch (op1) {
19211 case OPC_MFHC1:
19212 case OPC_MTHC1:
19213 check_cp1_enabled(ctx);
19214 check_insn(ctx, ISA_MIPS32R2);
19215 case OPC_MFC1:
19216 case OPC_CFC1:
19217 case OPC_MTC1:
19218 case OPC_CTC1:
19219 check_cp1_enabled(ctx);
19220 gen_cp1(ctx, op1, rt, rd);
19221 break;
19222 #if defined(TARGET_MIPS64)
19223 case OPC_DMFC1:
19224 case OPC_DMTC1:
19225 check_cp1_enabled(ctx);
19226 check_insn(ctx, ISA_MIPS3);
19227 check_mips_64(ctx);
19228 gen_cp1(ctx, op1, rt, rd);
19229 break;
19230 #endif
19231 case OPC_BC1EQZ: /* OPC_BC1ANY2 */
19232 check_cp1_enabled(ctx);
19233 if (ctx->insn_flags & ISA_MIPS32R6) {
19234 /* OPC_BC1EQZ */
19235 gen_compute_branch1_r6(ctx, MASK_CP1(ctx->opcode),
19236 rt, imm << 2, 4);
19237 } else {
19238 /* OPC_BC1ANY2 */
19239 check_cop1x(ctx);
19240 check_insn(ctx, ASE_MIPS3D);
19241 gen_compute_branch1(ctx, MASK_BC1(ctx->opcode),
19242 (rt >> 2) & 0x7, imm << 2);
19243 }
19244 break;
19245 case OPC_BC1NEZ:
19246 check_cp1_enabled(ctx);
19247 check_insn(ctx, ISA_MIPS32R6);
19248 gen_compute_branch1_r6(ctx, MASK_CP1(ctx->opcode),
19249 rt, imm << 2, 4);
19250 break;
19251 case OPC_BC1ANY4:
19252 check_cp1_enabled(ctx);
19253 check_insn_opc_removed(ctx, ISA_MIPS32R6);
19254 check_cop1x(ctx);
19255 check_insn(ctx, ASE_MIPS3D);
19256 /* fall through */
19257 case OPC_BC1:
19258 check_cp1_enabled(ctx);
19259 check_insn_opc_removed(ctx, ISA_MIPS32R6);
19260 gen_compute_branch1(ctx, MASK_BC1(ctx->opcode),
19261 (rt >> 2) & 0x7, imm << 2);
19262 break;
19263 case OPC_PS_FMT:
19264 check_ps(ctx);
19265 /* fall through */
19266 case OPC_S_FMT:
19267 case OPC_D_FMT:
19268 check_cp1_enabled(ctx);
19269 gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f), rt, rd, sa,
19270 (imm >> 8) & 0x7);
19271 break;
19272 case OPC_W_FMT:
19273 case OPC_L_FMT:
19274 {
19275 int r6_op = ctx->opcode & FOP(0x3f, 0x1f);
19276 check_cp1_enabled(ctx);
19277 if (ctx->insn_flags & ISA_MIPS32R6) {
19278 switch (r6_op) {
19279 case R6_OPC_CMP_AF_S:
19280 case R6_OPC_CMP_UN_S:
19281 case R6_OPC_CMP_EQ_S:
19282 case R6_OPC_CMP_UEQ_S:
19283 case R6_OPC_CMP_LT_S:
19284 case R6_OPC_CMP_ULT_S:
19285 case R6_OPC_CMP_LE_S:
19286 case R6_OPC_CMP_ULE_S:
19287 case R6_OPC_CMP_SAF_S:
19288 case R6_OPC_CMP_SUN_S:
19289 case R6_OPC_CMP_SEQ_S:
19290 case R6_OPC_CMP_SEUQ_S:
19291 case R6_OPC_CMP_SLT_S:
19292 case R6_OPC_CMP_SULT_S:
19293 case R6_OPC_CMP_SLE_S:
19294 case R6_OPC_CMP_SULE_S:
19295 case R6_OPC_CMP_OR_S:
19296 case R6_OPC_CMP_UNE_S:
19297 case R6_OPC_CMP_NE_S:
19298 case R6_OPC_CMP_SOR_S:
19299 case R6_OPC_CMP_SUNE_S:
19300 case R6_OPC_CMP_SNE_S:
19301 gen_r6_cmp_s(ctx, ctx->opcode & 0x1f, rt, rd, sa);
19302 break;
19303 case R6_OPC_CMP_AF_D:
19304 case R6_OPC_CMP_UN_D:
19305 case R6_OPC_CMP_EQ_D:
19306 case R6_OPC_CMP_UEQ_D:
19307 case R6_OPC_CMP_LT_D:
19308 case R6_OPC_CMP_ULT_D:
19309 case R6_OPC_CMP_LE_D:
19310 case R6_OPC_CMP_ULE_D:
19311 case R6_OPC_CMP_SAF_D:
19312 case R6_OPC_CMP_SUN_D:
19313 case R6_OPC_CMP_SEQ_D:
19314 case R6_OPC_CMP_SEUQ_D:
19315 case R6_OPC_CMP_SLT_D:
19316 case R6_OPC_CMP_SULT_D:
19317 case R6_OPC_CMP_SLE_D:
19318 case R6_OPC_CMP_SULE_D:
19319 case R6_OPC_CMP_OR_D:
19320 case R6_OPC_CMP_UNE_D:
19321 case R6_OPC_CMP_NE_D:
19322 case R6_OPC_CMP_SOR_D:
19323 case R6_OPC_CMP_SUNE_D:
19324 case R6_OPC_CMP_SNE_D:
19325 gen_r6_cmp_d(ctx, ctx->opcode & 0x1f, rt, rd, sa);
19326 break;
19327 default:
19328 gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f),
19329 rt, rd, sa, (imm >> 8) & 0x7);
19330
19331 break;
19332 }
19333 } else {
19334 gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f), rt, rd, sa,
19335 (imm >> 8) & 0x7);
19336 }
19337 break;
19338 }
19339 case OPC_BZ_V:
19340 case OPC_BNZ_V:
19341 case OPC_BZ_B:
19342 case OPC_BZ_H:
19343 case OPC_BZ_W:
19344 case OPC_BZ_D:
19345 case OPC_BNZ_B:
19346 case OPC_BNZ_H:
19347 case OPC_BNZ_W:
19348 case OPC_BNZ_D:
19349 check_insn(ctx, ASE_MSA);
19350 gen_msa_branch(env, ctx, op1);
19351 break;
19352 default:
19353 MIPS_INVAL("cp1");
19354 generate_exception_end(ctx, EXCP_RI);
19355 break;
19356 }
19357 break;
19358
19359 /* Compact branches [R6] and COP2 [non-R6] */
19360 case OPC_BC: /* OPC_LWC2 */
19361 case OPC_BALC: /* OPC_SWC2 */
19362 if (ctx->insn_flags & ISA_MIPS32R6) {
19363 /* OPC_BC, OPC_BALC */
19364 gen_compute_compact_branch(ctx, op, 0, 0,
19365 sextract32(ctx->opcode << 2, 0, 28));
19366 } else {
19367 /* OPC_LWC2, OPC_SWC2 */
19368 /* COP2: Not implemented. */
19369 generate_exception_err(ctx, EXCP_CpU, 2);
19370 }
19371 break;
19372 case OPC_BEQZC: /* OPC_JIC, OPC_LDC2 */
19373 case OPC_BNEZC: /* OPC_JIALC, OPC_SDC2 */
19374 if (ctx->insn_flags & ISA_MIPS32R6) {
19375 if (rs != 0) {
19376 /* OPC_BEQZC, OPC_BNEZC */
19377 gen_compute_compact_branch(ctx, op, rs, 0,
19378 sextract32(ctx->opcode << 2, 0, 23));
19379 } else {
19380 /* OPC_JIC, OPC_JIALC */
19381 gen_compute_compact_branch(ctx, op, 0, rt, imm);
19382 }
19383 } else {
19384 /* OPC_LWC2, OPC_SWC2 */
19385 /* COP2: Not implemented. */
19386 generate_exception_err(ctx, EXCP_CpU, 2);
19387 }
19388 break;
19389 case OPC_CP2:
19390 check_insn(ctx, INSN_LOONGSON2F);
19391 /* Note that these instructions use different fields. */
19392 gen_loongson_multimedia(ctx, sa, rd, rt);
19393 break;
19394
19395 case OPC_CP3:
19396 check_insn_opc_removed(ctx, ISA_MIPS32R6);
19397 if (ctx->CP0_Config1 & (1 << CP0C1_FP)) {
19398 check_cp1_enabled(ctx);
19399 op1 = MASK_CP3(ctx->opcode);
19400 switch (op1) {
19401 case OPC_LUXC1:
19402 case OPC_SUXC1:
19403 check_insn(ctx, ISA_MIPS5 | ISA_MIPS32R2);
19404 /* Fallthrough */
19405 case OPC_LWXC1:
19406 case OPC_LDXC1:
19407 case OPC_SWXC1:
19408 case OPC_SDXC1:
19409 check_insn(ctx, ISA_MIPS4 | ISA_MIPS32R2);
19410 gen_flt3_ldst(ctx, op1, sa, rd, rs, rt);
19411 break;
19412 case OPC_PREFX:
19413 check_insn(ctx, ISA_MIPS4 | ISA_MIPS32R2);
19414 /* Treat as NOP. */
19415 break;
19416 case OPC_ALNV_PS:
19417 check_insn(ctx, ISA_MIPS5 | ISA_MIPS32R2);
19418 /* Fallthrough */
19419 case OPC_MADD_S:
19420 case OPC_MADD_D:
19421 case OPC_MADD_PS:
19422 case OPC_MSUB_S:
19423 case OPC_MSUB_D:
19424 case OPC_MSUB_PS:
19425 case OPC_NMADD_S:
19426 case OPC_NMADD_D:
19427 case OPC_NMADD_PS:
19428 case OPC_NMSUB_S:
19429 case OPC_NMSUB_D:
19430 case OPC_NMSUB_PS:
19431 check_insn(ctx, ISA_MIPS4 | ISA_MIPS32R2);
19432 gen_flt3_arith(ctx, op1, sa, rs, rd, rt);
19433 break;
19434 default:
19435 MIPS_INVAL("cp3");
19436 generate_exception_end(ctx, EXCP_RI);
19437 break;
19438 }
19439 } else {
19440 generate_exception_err(ctx, EXCP_CpU, 1);
19441 }
19442 break;
19443
19444 #if defined(TARGET_MIPS64)
19445 /* MIPS64 opcodes */
19446 case OPC_LDL ... OPC_LDR:
19447 case OPC_LLD:
19448 check_insn_opc_removed(ctx, ISA_MIPS32R6);
19449 /* fall through */
19450 case OPC_LWU:
19451 case OPC_LD:
19452 check_insn(ctx, ISA_MIPS3);
19453 check_mips_64(ctx);
19454 gen_ld(ctx, op, rt, rs, imm);
19455 break;
19456 case OPC_SDL ... OPC_SDR:
19457 check_insn_opc_removed(ctx, ISA_MIPS32R6);
19458 /* fall through */
19459 case OPC_SD:
19460 check_insn(ctx, ISA_MIPS3);
19461 check_mips_64(ctx);
19462 gen_st(ctx, op, rt, rs, imm);
19463 break;
19464 case OPC_SCD:
19465 check_insn_opc_removed(ctx, ISA_MIPS32R6);
19466 check_insn(ctx, ISA_MIPS3);
19467 check_mips_64(ctx);
19468 gen_st_cond(ctx, op, rt, rs, imm);
19469 break;
19470 case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC, OPC_DADDI */
19471 if (ctx->insn_flags & ISA_MIPS32R6) {
19472 /* OPC_BNVC, OPC_BNEZALC, OPC_BNEC */
19473 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
19474 } else {
19475 /* OPC_DADDI */
19476 check_insn(ctx, ISA_MIPS3);
19477 check_mips_64(ctx);
19478 gen_arith_imm(ctx, op, rt, rs, imm);
19479 }
19480 break;
19481 case OPC_DADDIU:
19482 check_insn(ctx, ISA_MIPS3);
19483 check_mips_64(ctx);
19484 gen_arith_imm(ctx, op, rt, rs, imm);
19485 break;
19486 #else
19487 case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC */
19488 if (ctx->insn_flags & ISA_MIPS32R6) {
19489 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
19490 } else {
19491 MIPS_INVAL("major opcode");
19492 generate_exception_end(ctx, EXCP_RI);
19493 }
19494 break;
19495 #endif
19496 case OPC_DAUI: /* OPC_JALX */
19497 if (ctx->insn_flags & ISA_MIPS32R6) {
19498 #if defined(TARGET_MIPS64)
19499 /* OPC_DAUI */
19500 check_mips_64(ctx);
19501 if (rs == 0) {
19502 generate_exception(ctx, EXCP_RI);
19503 } else if (rt != 0) {
19504 TCGv t0 = tcg_temp_new();
19505 gen_load_gpr(t0, rs);
19506 tcg_gen_addi_tl(cpu_gpr[rt], t0, imm << 16);
19507 tcg_temp_free(t0);
19508 }
19509 #else
19510 generate_exception_end(ctx, EXCP_RI);
19511 MIPS_INVAL("major opcode");
19512 #endif
19513 } else {
19514 /* OPC_JALX */
19515 check_insn(ctx, ASE_MIPS16 | ASE_MICROMIPS);
19516 offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2;
19517 gen_compute_branch(ctx, op, 4, rs, rt, offset, 4);
19518 }
19519 break;
19520 case OPC_MSA: /* OPC_MDMX */
19521 /* MDMX: Not implemented. */
19522 gen_msa(env, ctx);
19523 break;
19524 case OPC_PCREL:
19525 check_insn(ctx, ISA_MIPS32R6);
19526 gen_pcrel(ctx, ctx->opcode, ctx->pc, rs);
19527 break;
19528 default: /* Invalid */
19529 MIPS_INVAL("major opcode");
19530 generate_exception_end(ctx, EXCP_RI);
19531 break;
19532 }
19533 }
19534
19535 void gen_intermediate_code(CPUMIPSState *env, struct TranslationBlock *tb)
19536 {
19537 MIPSCPU *cpu = mips_env_get_cpu(env);
19538 CPUState *cs = CPU(cpu);
19539 DisasContext ctx;
19540 target_ulong pc_start;
19541 target_ulong next_page_start;
19542 int num_insns;
19543 int max_insns;
19544 int insn_bytes;
19545 int is_slot;
19546
19547 pc_start = tb->pc;
19548 next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE;
19549 ctx.pc = pc_start;
19550 ctx.saved_pc = -1;
19551 ctx.singlestep_enabled = cs->singlestep_enabled;
19552 ctx.insn_flags = env->insn_flags;
19553 ctx.CP0_Config1 = env->CP0_Config1;
19554 ctx.tb = tb;
19555 ctx.bstate = BS_NONE;
19556 ctx.btarget = 0;
19557 ctx.kscrexist = (env->CP0_Config4 >> CP0C4_KScrExist) & 0xff;
19558 ctx.rxi = (env->CP0_Config3 >> CP0C3_RXI) & 1;
19559 ctx.ie = (env->CP0_Config4 >> CP0C4_IE) & 3;
19560 ctx.bi = (env->CP0_Config3 >> CP0C3_BI) & 1;
19561 ctx.bp = (env->CP0_Config3 >> CP0C3_BP) & 1;
19562 ctx.PAMask = env->PAMask;
19563 ctx.mvh = (env->CP0_Config5 >> CP0C5_MVH) & 1;
19564 ctx.CP0_LLAddr_shift = env->CP0_LLAddr_shift;
19565 /* Restore delay slot state from the tb context. */
19566 ctx.hflags = (uint32_t)tb->flags; /* FIXME: maybe use 64 bits here? */
19567 ctx.ulri = (env->CP0_Config3 >> CP0C3_ULRI) & 1;
19568 ctx.ps = ((env->active_fpu.fcr0 >> FCR0_PS) & 1) ||
19569 (env->insn_flags & (INSN_LOONGSON2E | INSN_LOONGSON2F));
19570 restore_cpu_state(env, &ctx);
19571 #ifdef CONFIG_USER_ONLY
19572 ctx.mem_idx = MIPS_HFLAG_UM;
19573 #else
19574 ctx.mem_idx = ctx.hflags & MIPS_HFLAG_KSU;
19575 #endif
19576 ctx.default_tcg_memop_mask = (ctx.insn_flags & ISA_MIPS32R6) ?
19577 MO_UNALN : MO_ALIGN;
19578 num_insns = 0;
19579 max_insns = tb->cflags & CF_COUNT_MASK;
19580 if (max_insns == 0) {
19581 max_insns = CF_COUNT_MASK;
19582 }
19583 if (max_insns > TCG_MAX_INSNS) {
19584 max_insns = TCG_MAX_INSNS;
19585 }
19586
19587 LOG_DISAS("\ntb %p idx %d hflags %04x\n", tb, ctx.mem_idx, ctx.hflags);
19588 gen_tb_start(tb);
19589 while (ctx.bstate == BS_NONE) {
19590 tcg_gen_insn_start(ctx.pc, ctx.hflags & MIPS_HFLAG_BMASK, ctx.btarget);
19591 num_insns++;
19592
19593 if (unlikely(cpu_breakpoint_test(cs, ctx.pc, BP_ANY))) {
19594 save_cpu_state(&ctx, 1);
19595 ctx.bstate = BS_BRANCH;
19596 gen_helper_raise_exception_debug(cpu_env);
19597 /* Include the breakpoint location or the tb won't
19598 * be flushed when it must be. */
19599 ctx.pc += 4;
19600 goto done_generating;
19601 }
19602
19603 if (num_insns == max_insns && (tb->cflags & CF_LAST_IO)) {
19604 gen_io_start();
19605 }
19606
19607 is_slot = ctx.hflags & MIPS_HFLAG_BMASK;
19608 if (!(ctx.hflags & MIPS_HFLAG_M16)) {
19609 ctx.opcode = cpu_ldl_code(env, ctx.pc);
19610 insn_bytes = 4;
19611 decode_opc(env, &ctx);
19612 } else if (ctx.insn_flags & ASE_MICROMIPS) {
19613 ctx.opcode = cpu_lduw_code(env, ctx.pc);
19614 insn_bytes = decode_micromips_opc(env, &ctx);
19615 } else if (ctx.insn_flags & ASE_MIPS16) {
19616 ctx.opcode = cpu_lduw_code(env, ctx.pc);
19617 insn_bytes = decode_mips16_opc(env, &ctx);
19618 } else {
19619 generate_exception_end(&ctx, EXCP_RI);
19620 break;
19621 }
19622
19623 if (ctx.hflags & MIPS_HFLAG_BMASK) {
19624 if (!(ctx.hflags & (MIPS_HFLAG_BDS16 | MIPS_HFLAG_BDS32 |
19625 MIPS_HFLAG_FBNSLOT))) {
19626 /* force to generate branch as there is neither delay nor
19627 forbidden slot */
19628 is_slot = 1;
19629 }
19630 if ((ctx.hflags & MIPS_HFLAG_M16) &&
19631 (ctx.hflags & MIPS_HFLAG_FBNSLOT)) {
19632 /* Force to generate branch as microMIPS R6 doesn't restrict
19633 branches in the forbidden slot. */
19634 is_slot = 1;
19635 }
19636 }
19637 if (is_slot) {
19638 gen_branch(&ctx, insn_bytes);
19639 }
19640 ctx.pc += insn_bytes;
19641
19642 /* Execute a branch and its delay slot as a single instruction.
19643 This is what GDB expects and is consistent with what the
19644 hardware does (e.g. if a delay slot instruction faults, the
19645 reported PC is the PC of the branch). */
19646 if (cs->singlestep_enabled && (ctx.hflags & MIPS_HFLAG_BMASK) == 0) {
19647 break;
19648 }
19649
19650 if (ctx.pc >= next_page_start) {
19651 break;
19652 }
19653
19654 if (tcg_op_buf_full()) {
19655 break;
19656 }
19657
19658 if (num_insns >= max_insns)
19659 break;
19660
19661 if (singlestep)
19662 break;
19663 }
19664 if (tb->cflags & CF_LAST_IO) {
19665 gen_io_end();
19666 }
19667 if (cs->singlestep_enabled && ctx.bstate != BS_BRANCH) {
19668 save_cpu_state(&ctx, ctx.bstate != BS_EXCP);
19669 gen_helper_raise_exception_debug(cpu_env);
19670 } else {
19671 switch (ctx.bstate) {
19672 case BS_STOP:
19673 gen_goto_tb(&ctx, 0, ctx.pc);
19674 break;
19675 case BS_NONE:
19676 save_cpu_state(&ctx, 0);
19677 gen_goto_tb(&ctx, 0, ctx.pc);
19678 break;
19679 case BS_EXCP:
19680 tcg_gen_exit_tb(0);
19681 break;
19682 case BS_BRANCH:
19683 default:
19684 break;
19685 }
19686 }
19687 done_generating:
19688 gen_tb_end(tb, num_insns);
19689
19690 tb->size = ctx.pc - pc_start;
19691 tb->icount = num_insns;
19692
19693 #ifdef DEBUG_DISAS
19694 LOG_DISAS("\n");
19695 if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
19696 qemu_log("IN: %s\n", lookup_symbol(pc_start));
19697 log_target_disas(cs, pc_start, ctx.pc - pc_start, 0);
19698 qemu_log("\n");
19699 }
19700 #endif
19701 }
19702
19703 static void fpu_dump_state(CPUMIPSState *env, FILE *f, fprintf_function fpu_fprintf,
19704 int flags)
19705 {
19706 int i;
19707 int is_fpu64 = !!(env->hflags & MIPS_HFLAG_F64);
19708
19709 #define printfpr(fp) \
19710 do { \
19711 if (is_fpu64) \
19712 fpu_fprintf(f, "w:%08x d:%016" PRIx64 \
19713 " fd:%13g fs:%13g psu: %13g\n", \
19714 (fp)->w[FP_ENDIAN_IDX], (fp)->d, \
19715 (double)(fp)->fd, \
19716 (double)(fp)->fs[FP_ENDIAN_IDX], \
19717 (double)(fp)->fs[!FP_ENDIAN_IDX]); \
19718 else { \
19719 fpr_t tmp; \
19720 tmp.w[FP_ENDIAN_IDX] = (fp)->w[FP_ENDIAN_IDX]; \
19721 tmp.w[!FP_ENDIAN_IDX] = ((fp) + 1)->w[FP_ENDIAN_IDX]; \
19722 fpu_fprintf(f, "w:%08x d:%016" PRIx64 \
19723 " fd:%13g fs:%13g psu:%13g\n", \
19724 tmp.w[FP_ENDIAN_IDX], tmp.d, \
19725 (double)tmp.fd, \
19726 (double)tmp.fs[FP_ENDIAN_IDX], \
19727 (double)tmp.fs[!FP_ENDIAN_IDX]); \
19728 } \
19729 } while(0)
19730
19731
19732 fpu_fprintf(f, "CP1 FCR0 0x%08x FCR31 0x%08x SR.FR %d fp_status 0x%02x\n",
19733 env->active_fpu.fcr0, env->active_fpu.fcr31, is_fpu64,
19734 get_float_exception_flags(&env->active_fpu.fp_status));
19735 for (i = 0; i < 32; (is_fpu64) ? i++ : (i += 2)) {
19736 fpu_fprintf(f, "%3s: ", fregnames[i]);
19737 printfpr(&env->active_fpu.fpr[i]);
19738 }
19739
19740 #undef printfpr
19741 }
19742
19743 void mips_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
19744 int flags)
19745 {
19746 MIPSCPU *cpu = MIPS_CPU(cs);
19747 CPUMIPSState *env = &cpu->env;
19748 int i;
19749
19750 cpu_fprintf(f, "pc=0x" TARGET_FMT_lx " HI=0x" TARGET_FMT_lx
19751 " LO=0x" TARGET_FMT_lx " ds %04x "
19752 TARGET_FMT_lx " " TARGET_FMT_ld "\n",
19753 env->active_tc.PC, env->active_tc.HI[0], env->active_tc.LO[0],
19754 env->hflags, env->btarget, env->bcond);
19755 for (i = 0; i < 32; i++) {
19756 if ((i & 3) == 0)
19757 cpu_fprintf(f, "GPR%02d:", i);
19758 cpu_fprintf(f, " %s " TARGET_FMT_lx, regnames[i], env->active_tc.gpr[i]);
19759 if ((i & 3) == 3)
19760 cpu_fprintf(f, "\n");
19761 }
19762
19763 cpu_fprintf(f, "CP0 Status 0x%08x Cause 0x%08x EPC 0x" TARGET_FMT_lx "\n",
19764 env->CP0_Status, env->CP0_Cause, env->CP0_EPC);
19765 cpu_fprintf(f, " Config0 0x%08x Config1 0x%08x LLAddr 0x%016"
19766 PRIx64 "\n",
19767 env->CP0_Config0, env->CP0_Config1, env->lladdr);
19768 cpu_fprintf(f, " Config2 0x%08x Config3 0x%08x\n",
19769 env->CP0_Config2, env->CP0_Config3);
19770 cpu_fprintf(f, " Config4 0x%08x Config5 0x%08x\n",
19771 env->CP0_Config4, env->CP0_Config5);
19772 if (env->hflags & MIPS_HFLAG_FPU)
19773 fpu_dump_state(env, f, cpu_fprintf, flags);
19774 }
19775
19776 void mips_tcg_init(void)
19777 {
19778 int i;
19779 static int inited;
19780
19781 /* Initialize various static tables. */
19782 if (inited)
19783 return;
19784
19785 cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
19786 TCGV_UNUSED(cpu_gpr[0]);
19787 for (i = 1; i < 32; i++)
19788 cpu_gpr[i] = tcg_global_mem_new(TCG_AREG0,
19789 offsetof(CPUMIPSState, active_tc.gpr[i]),
19790 regnames[i]);
19791
19792 for (i = 0; i < 32; i++) {
19793 int off = offsetof(CPUMIPSState, active_fpu.fpr[i].wr.d[0]);
19794 msa_wr_d[i * 2] =
19795 tcg_global_mem_new_i64(TCG_AREG0, off, msaregnames[i * 2]);
19796 /* The scalar floating-point unit (FPU) registers are mapped on
19797 * the MSA vector registers. */
19798 fpu_f64[i] = msa_wr_d[i * 2];
19799 off = offsetof(CPUMIPSState, active_fpu.fpr[i].wr.d[1]);
19800 msa_wr_d[i * 2 + 1] =
19801 tcg_global_mem_new_i64(TCG_AREG0, off, msaregnames[i * 2 + 1]);
19802 }
19803
19804 cpu_PC = tcg_global_mem_new(TCG_AREG0,
19805 offsetof(CPUMIPSState, active_tc.PC), "PC");
19806 for (i = 0; i < MIPS_DSP_ACC; i++) {
19807 cpu_HI[i] = tcg_global_mem_new(TCG_AREG0,
19808 offsetof(CPUMIPSState, active_tc.HI[i]),
19809 regnames_HI[i]);
19810 cpu_LO[i] = tcg_global_mem_new(TCG_AREG0,
19811 offsetof(CPUMIPSState, active_tc.LO[i]),
19812 regnames_LO[i]);
19813 }
19814 cpu_dspctrl = tcg_global_mem_new(TCG_AREG0,
19815 offsetof(CPUMIPSState, active_tc.DSPControl),
19816 "DSPControl");
19817 bcond = tcg_global_mem_new(TCG_AREG0,
19818 offsetof(CPUMIPSState, bcond), "bcond");
19819 btarget = tcg_global_mem_new(TCG_AREG0,
19820 offsetof(CPUMIPSState, btarget), "btarget");
19821 hflags = tcg_global_mem_new_i32(TCG_AREG0,
19822 offsetof(CPUMIPSState, hflags), "hflags");
19823
19824 fpu_fcr0 = tcg_global_mem_new_i32(TCG_AREG0,
19825 offsetof(CPUMIPSState, active_fpu.fcr0),
19826 "fcr0");
19827 fpu_fcr31 = tcg_global_mem_new_i32(TCG_AREG0,
19828 offsetof(CPUMIPSState, active_fpu.fcr31),
19829 "fcr31");
19830
19831 inited = 1;
19832 }
19833
19834 #include "translate_init.c"
19835
19836 MIPSCPU *cpu_mips_init(const char *cpu_model)
19837 {
19838 MIPSCPU *cpu;
19839 CPUMIPSState *env;
19840 const mips_def_t *def;
19841
19842 def = cpu_mips_find_by_name(cpu_model);
19843 if (!def)
19844 return NULL;
19845 cpu = MIPS_CPU(object_new(TYPE_MIPS_CPU));
19846 env = &cpu->env;
19847 env->cpu_model = def;
19848
19849 #ifndef CONFIG_USER_ONLY
19850 mmu_init(env, def);
19851 #endif
19852 fpu_init(env, def);
19853 mvp_init(env, def);
19854
19855 object_property_set_bool(OBJECT(cpu), true, "realized", NULL);
19856
19857 return cpu;
19858 }
19859
19860 void cpu_state_reset(CPUMIPSState *env)
19861 {
19862 MIPSCPU *cpu = mips_env_get_cpu(env);
19863 CPUState *cs = CPU(cpu);
19864
19865 /* Reset registers to their default values */
19866 env->CP0_PRid = env->cpu_model->CP0_PRid;
19867 env->CP0_Config0 = env->cpu_model->CP0_Config0;
19868 #ifdef TARGET_WORDS_BIGENDIAN
19869 env->CP0_Config0 |= (1 << CP0C0_BE);
19870 #endif
19871 env->CP0_Config1 = env->cpu_model->CP0_Config1;
19872 env->CP0_Config2 = env->cpu_model->CP0_Config2;
19873 env->CP0_Config3 = env->cpu_model->CP0_Config3;
19874 env->CP0_Config4 = env->cpu_model->CP0_Config4;
19875 env->CP0_Config4_rw_bitmask = env->cpu_model->CP0_Config4_rw_bitmask;
19876 env->CP0_Config5 = env->cpu_model->CP0_Config5;
19877 env->CP0_Config5_rw_bitmask = env->cpu_model->CP0_Config5_rw_bitmask;
19878 env->CP0_Config6 = env->cpu_model->CP0_Config6;
19879 env->CP0_Config7 = env->cpu_model->CP0_Config7;
19880 env->CP0_LLAddr_rw_bitmask = env->cpu_model->CP0_LLAddr_rw_bitmask
19881 << env->cpu_model->CP0_LLAddr_shift;
19882 env->CP0_LLAddr_shift = env->cpu_model->CP0_LLAddr_shift;
19883 env->SYNCI_Step = env->cpu_model->SYNCI_Step;
19884 env->CCRes = env->cpu_model->CCRes;
19885 env->CP0_Status_rw_bitmask = env->cpu_model->CP0_Status_rw_bitmask;
19886 env->CP0_TCStatus_rw_bitmask = env->cpu_model->CP0_TCStatus_rw_bitmask;
19887 env->CP0_SRSCtl = env->cpu_model->CP0_SRSCtl;
19888 env->current_tc = 0;
19889 env->SEGBITS = env->cpu_model->SEGBITS;
19890 env->SEGMask = (target_ulong)((1ULL << env->cpu_model->SEGBITS) - 1);
19891 #if defined(TARGET_MIPS64)
19892 if (env->cpu_model->insn_flags & ISA_MIPS3) {
19893 env->SEGMask |= 3ULL << 62;
19894 }
19895 #endif
19896 env->PABITS = env->cpu_model->PABITS;
19897 env->CP0_SRSConf0_rw_bitmask = env->cpu_model->CP0_SRSConf0_rw_bitmask;
19898 env->CP0_SRSConf0 = env->cpu_model->CP0_SRSConf0;
19899 env->CP0_SRSConf1_rw_bitmask = env->cpu_model->CP0_SRSConf1_rw_bitmask;
19900 env->CP0_SRSConf1 = env->cpu_model->CP0_SRSConf1;
19901 env->CP0_SRSConf2_rw_bitmask = env->cpu_model->CP0_SRSConf2_rw_bitmask;
19902 env->CP0_SRSConf2 = env->cpu_model->CP0_SRSConf2;
19903 env->CP0_SRSConf3_rw_bitmask = env->cpu_model->CP0_SRSConf3_rw_bitmask;
19904 env->CP0_SRSConf3 = env->cpu_model->CP0_SRSConf3;
19905 env->CP0_SRSConf4_rw_bitmask = env->cpu_model->CP0_SRSConf4_rw_bitmask;
19906 env->CP0_SRSConf4 = env->cpu_model->CP0_SRSConf4;
19907 env->CP0_PageGrain_rw_bitmask = env->cpu_model->CP0_PageGrain_rw_bitmask;
19908 env->CP0_PageGrain = env->cpu_model->CP0_PageGrain;
19909 env->active_fpu.fcr0 = env->cpu_model->CP1_fcr0;
19910 env->msair = env->cpu_model->MSAIR;
19911 env->insn_flags = env->cpu_model->insn_flags;
19912
19913 #if defined(CONFIG_USER_ONLY)
19914 env->CP0_Status = (MIPS_HFLAG_UM << CP0St_KSU);
19915 # ifdef TARGET_MIPS64
19916 /* Enable 64-bit register mode. */
19917 env->CP0_Status |= (1 << CP0St_PX);
19918 # endif
19919 # ifdef TARGET_ABI_MIPSN64
19920 /* Enable 64-bit address mode. */
19921 env->CP0_Status |= (1 << CP0St_UX);
19922 # endif
19923 /* Enable access to the CPUNum, SYNCI_Step, CC, and CCRes RDHWR
19924 hardware registers. */
19925 env->CP0_HWREna |= 0x0000000F;
19926 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
19927 env->CP0_Status |= (1 << CP0St_CU1);
19928 }
19929 if (env->CP0_Config3 & (1 << CP0C3_DSPP)) {
19930 env->CP0_Status |= (1 << CP0St_MX);
19931 }
19932 # if defined(TARGET_MIPS64)
19933 /* For MIPS64, init FR bit to 1 if FPU unit is there and bit is writable. */
19934 if ((env->CP0_Config1 & (1 << CP0C1_FP)) &&
19935 (env->CP0_Status_rw_bitmask & (1 << CP0St_FR))) {
19936 env->CP0_Status |= (1 << CP0St_FR);
19937 }
19938 # endif
19939 #else
19940 if (env->hflags & MIPS_HFLAG_BMASK) {
19941 /* If the exception was raised from a delay slot,
19942 come back to the jump. */
19943 env->CP0_ErrorEPC = (env->active_tc.PC
19944 - (env->hflags & MIPS_HFLAG_B16 ? 2 : 4));
19945 } else {
19946 env->CP0_ErrorEPC = env->active_tc.PC;
19947 }
19948 env->active_tc.PC = (int32_t)0xBFC00000;
19949 env->CP0_Random = env->tlb->nb_tlb - 1;
19950 env->tlb->tlb_in_use = env->tlb->nb_tlb;
19951 env->CP0_Wired = 0;
19952 env->CP0_EBase = (cs->cpu_index & 0x3FF);
19953 if (kvm_enabled()) {
19954 env->CP0_EBase |= 0x40000000;
19955 } else {
19956 env->CP0_EBase |= 0x80000000;
19957 }
19958 env->CP0_Status = (1 << CP0St_BEV) | (1 << CP0St_ERL);
19959 /* vectored interrupts not implemented, timer on int 7,
19960 no performance counters. */
19961 env->CP0_IntCtl = 0xe0000000;
19962 {
19963 int i;
19964
19965 for (i = 0; i < 7; i++) {
19966 env->CP0_WatchLo[i] = 0;
19967 env->CP0_WatchHi[i] = 0x80000000;
19968 }
19969 env->CP0_WatchLo[7] = 0;
19970 env->CP0_WatchHi[7] = 0;
19971 }
19972 /* Count register increments in debug mode, EJTAG version 1 */
19973 env->CP0_Debug = (1 << CP0DB_CNT) | (0x1 << CP0DB_VER);
19974
19975 cpu_mips_store_count(env, 1);
19976
19977 if (env->CP0_Config3 & (1 << CP0C3_MT)) {
19978 int i;
19979
19980 /* Only TC0 on VPE 0 starts as active. */
19981 for (i = 0; i < ARRAY_SIZE(env->tcs); i++) {
19982 env->tcs[i].CP0_TCBind = cs->cpu_index << CP0TCBd_CurVPE;
19983 env->tcs[i].CP0_TCHalt = 1;
19984 }
19985 env->active_tc.CP0_TCHalt = 1;
19986 cs->halted = 1;
19987
19988 if (cs->cpu_index == 0) {
19989 /* VPE0 starts up enabled. */
19990 env->mvp->CP0_MVPControl |= (1 << CP0MVPCo_EVP);
19991 env->CP0_VPEConf0 |= (1 << CP0VPEC0_MVP) | (1 << CP0VPEC0_VPA);
19992
19993 /* TC0 starts up unhalted. */
19994 cs->halted = 0;
19995 env->active_tc.CP0_TCHalt = 0;
19996 env->tcs[0].CP0_TCHalt = 0;
19997 /* With thread 0 active. */
19998 env->active_tc.CP0_TCStatus = (1 << CP0TCSt_A);
19999 env->tcs[0].CP0_TCStatus = (1 << CP0TCSt_A);
20000 }
20001 }
20002 #endif
20003 if ((env->insn_flags & ISA_MIPS32R6) &&
20004 (env->active_fpu.fcr0 & (1 << FCR0_F64))) {
20005 /* Status.FR = 0 mode in 64-bit FPU not allowed in R6 */
20006 env->CP0_Status |= (1 << CP0St_FR);
20007 }
20008
20009 /* MSA */
20010 if (env->CP0_Config3 & (1 << CP0C3_MSAP)) {
20011 msa_reset(env);
20012 }
20013
20014 compute_hflags(env);
20015 restore_rounding_mode(env);
20016 restore_flush_mode(env);
20017 restore_pamask(env);
20018 cs->exception_index = EXCP_NONE;
20019
20020 if (semihosting_get_argc()) {
20021 /* UHI interface can be used to obtain argc and argv */
20022 env->active_tc.gpr[4] = -1;
20023 }
20024 }
20025
20026 void restore_state_to_opc(CPUMIPSState *env, TranslationBlock *tb,
20027 target_ulong *data)
20028 {
20029 env->active_tc.PC = data[0];
20030 env->hflags &= ~MIPS_HFLAG_BMASK;
20031 env->hflags |= data[1];
20032 switch (env->hflags & MIPS_HFLAG_BMASK_BASE) {
20033 case MIPS_HFLAG_BR:
20034 break;
20035 case MIPS_HFLAG_BC:
20036 case MIPS_HFLAG_BL:
20037 case MIPS_HFLAG_B:
20038 env->btarget = data[2];
20039 break;
20040 }
20041 }
QEmu