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virtio-mem: Implement replay_discarded RamDiscardManager callback
[qemu/kevin.git] / target / mips / tcg / translate.c
blob47db35d7dd9aefde75224eb7f30231618ffbc05f
1 /*
2 * MIPS 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 * Copyright (c) 2020 Philippe Mathieu-Daudé
10 *
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; either
14 * version 2.1 of the License, or (at your option) any later version.
15 *
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
20 *
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
23 */
24
25 #include "qemu/osdep.h"
26 #include "cpu.h"
27 #include "internal.h"
28 #include "tcg/tcg-op.h"
29 #include "exec/translator.h"
30 #include "exec/helper-proto.h"
31 #include "exec/helper-gen.h"
32 #include "semihosting/semihost.h"
33
34 #include "trace.h"
35 #include "exec/translator.h"
36 #include "exec/log.h"
37 #include "qemu/qemu-print.h"
38 #include "fpu_helper.h"
39 #include "translate.h"
40
41 /*
42 * Many sysemu-only helpers are not reachable for user-only.
43 * Define stub generators here, so that we need not either sprinkle
44 * ifdefs through the translator, nor provide the helper function.
45 */
46 #define STUB_HELPER(NAME, ...) \
47 static inline void gen_helper_##NAME(__VA_ARGS__) \
48 { g_assert_not_reached(); }
49
50 #ifdef CONFIG_USER_ONLY
51 STUB_HELPER(cache, TCGv_env env, TCGv val, TCGv_i32 reg)
52 #endif
53
54 enum {
55 /* indirect opcode tables */
56 OPC_SPECIAL = (0x00 << 26),
57 OPC_REGIMM = (0x01 << 26),
58 OPC_CP0 = (0x10 << 26),
59 OPC_CP2 = (0x12 << 26),
60 OPC_CP3 = (0x13 << 26),
61 OPC_SPECIAL2 = (0x1C << 26),
62 OPC_SPECIAL3 = (0x1F << 26),
63 /* arithmetic with immediate */
64 OPC_ADDI = (0x08 << 26),
65 OPC_ADDIU = (0x09 << 26),
66 OPC_SLTI = (0x0A << 26),
67 OPC_SLTIU = (0x0B << 26),
68 /* logic with immediate */
69 OPC_ANDI = (0x0C << 26),
70 OPC_ORI = (0x0D << 26),
71 OPC_XORI = (0x0E << 26),
72 OPC_LUI = (0x0F << 26),
73 /* arithmetic with immediate */
74 OPC_DADDI = (0x18 << 26),
75 OPC_DADDIU = (0x19 << 26),
76 /* Jump and branches */
77 OPC_J = (0x02 << 26),
78 OPC_JAL = (0x03 << 26),
79 OPC_BEQ = (0x04 << 26), /* Unconditional if rs = rt = 0 (B) */
80 OPC_BEQL = (0x14 << 26),
81 OPC_BNE = (0x05 << 26),
82 OPC_BNEL = (0x15 << 26),
83 OPC_BLEZ = (0x06 << 26),
84 OPC_BLEZL = (0x16 << 26),
85 OPC_BGTZ = (0x07 << 26),
86 OPC_BGTZL = (0x17 << 26),
87 OPC_JALX = (0x1D << 26),
88 OPC_DAUI = (0x1D << 26),
89 /* Load and stores */
90 OPC_LDL = (0x1A << 26),
91 OPC_LDR = (0x1B << 26),
92 OPC_LB = (0x20 << 26),
93 OPC_LH = (0x21 << 26),
94 OPC_LWL = (0x22 << 26),
95 OPC_LW = (0x23 << 26),
96 OPC_LWPC = OPC_LW | 0x5,
97 OPC_LBU = (0x24 << 26),
98 OPC_LHU = (0x25 << 26),
99 OPC_LWR = (0x26 << 26),
100 OPC_LWU = (0x27 << 26),
101 OPC_SB = (0x28 << 26),
102 OPC_SH = (0x29 << 26),
103 OPC_SWL = (0x2A << 26),
104 OPC_SW = (0x2B << 26),
105 OPC_SDL = (0x2C << 26),
106 OPC_SDR = (0x2D << 26),
107 OPC_SWR = (0x2E << 26),
108 OPC_LL = (0x30 << 26),
109 OPC_LLD = (0x34 << 26),
110 OPC_LD = (0x37 << 26),
111 OPC_LDPC = OPC_LD | 0x5,
112 OPC_SC = (0x38 << 26),
113 OPC_SCD = (0x3C << 26),
114 OPC_SD = (0x3F << 26),
115 /* Floating point load/store */
116 OPC_LWC1 = (0x31 << 26),
117 OPC_LWC2 = (0x32 << 26),
118 OPC_LDC1 = (0x35 << 26),
119 OPC_LDC2 = (0x36 << 26),
120 OPC_SWC1 = (0x39 << 26),
121 OPC_SWC2 = (0x3A << 26),
122 OPC_SDC1 = (0x3D << 26),
123 OPC_SDC2 = (0x3E << 26),
124 /* Compact Branches */
125 OPC_BLEZALC = (0x06 << 26),
126 OPC_BGEZALC = (0x06 << 26),
127 OPC_BGEUC = (0x06 << 26),
128 OPC_BGTZALC = (0x07 << 26),
129 OPC_BLTZALC = (0x07 << 26),
130 OPC_BLTUC = (0x07 << 26),
131 OPC_BOVC = (0x08 << 26),
132 OPC_BEQZALC = (0x08 << 26),
133 OPC_BEQC = (0x08 << 26),
134 OPC_BLEZC = (0x16 << 26),
135 OPC_BGEZC = (0x16 << 26),
136 OPC_BGEC = (0x16 << 26),
137 OPC_BGTZC = (0x17 << 26),
138 OPC_BLTZC = (0x17 << 26),
139 OPC_BLTC = (0x17 << 26),
140 OPC_BNVC = (0x18 << 26),
141 OPC_BNEZALC = (0x18 << 26),
142 OPC_BNEC = (0x18 << 26),
143 OPC_BC = (0x32 << 26),
144 OPC_BEQZC = (0x36 << 26),
145 OPC_JIC = (0x36 << 26),
146 OPC_BALC = (0x3A << 26),
147 OPC_BNEZC = (0x3E << 26),
148 OPC_JIALC = (0x3E << 26),
149 /* MDMX ASE specific */
150 OPC_MDMX = (0x1E << 26),
151 /* Cache and prefetch */
152 OPC_CACHE = (0x2F << 26),
153 OPC_PREF = (0x33 << 26),
154 /* PC-relative address computation / loads */
155 OPC_PCREL = (0x3B << 26),
156 };
157
158 /* PC-relative address computation / loads */
159 #define MASK_OPC_PCREL_TOP2BITS(op) (MASK_OP_MAJOR(op) | (op & (3 << 19)))
160 #define MASK_OPC_PCREL_TOP5BITS(op) (MASK_OP_MAJOR(op) | (op & (0x1f << 16)))
161 enum {
162 /* Instructions determined by bits 19 and 20 */
163 OPC_ADDIUPC = OPC_PCREL | (0 << 19),
164 R6_OPC_LWPC = OPC_PCREL | (1 << 19),
165 OPC_LWUPC = OPC_PCREL | (2 << 19),
166
167 /* Instructions determined by bits 16 ... 20 */
168 OPC_AUIPC = OPC_PCREL | (0x1e << 16),
169 OPC_ALUIPC = OPC_PCREL | (0x1f << 16),
170
171 /* Other */
172 R6_OPC_LDPC = OPC_PCREL | (6 << 18),
173 };
174
175 /* MIPS special opcodes */
176 #define MASK_SPECIAL(op) (MASK_OP_MAJOR(op) | (op & 0x3F))
177
178 enum {
179 /* Shifts */
180 OPC_SLL = 0x00 | OPC_SPECIAL,
181 /* NOP is SLL r0, r0, 0 */
182 /* SSNOP is SLL r0, r0, 1 */
183 /* EHB is SLL r0, r0, 3 */
184 OPC_SRL = 0x02 | OPC_SPECIAL, /* also ROTR */
185 OPC_ROTR = OPC_SRL | (1 << 21),
186 OPC_SRA = 0x03 | OPC_SPECIAL,
187 OPC_SLLV = 0x04 | OPC_SPECIAL,
188 OPC_SRLV = 0x06 | OPC_SPECIAL, /* also ROTRV */
189 OPC_ROTRV = OPC_SRLV | (1 << 6),
190 OPC_SRAV = 0x07 | OPC_SPECIAL,
191 OPC_DSLLV = 0x14 | OPC_SPECIAL,
192 OPC_DSRLV = 0x16 | OPC_SPECIAL, /* also DROTRV */
193 OPC_DROTRV = OPC_DSRLV | (1 << 6),
194 OPC_DSRAV = 0x17 | OPC_SPECIAL,
195 OPC_DSLL = 0x38 | OPC_SPECIAL,
196 OPC_DSRL = 0x3A | OPC_SPECIAL, /* also DROTR */
197 OPC_DROTR = OPC_DSRL | (1 << 21),
198 OPC_DSRA = 0x3B | OPC_SPECIAL,
199 OPC_DSLL32 = 0x3C | OPC_SPECIAL,
200 OPC_DSRL32 = 0x3E | OPC_SPECIAL, /* also DROTR32 */
201 OPC_DROTR32 = OPC_DSRL32 | (1 << 21),
202 OPC_DSRA32 = 0x3F | OPC_SPECIAL,
203 /* Multiplication / division */
204 OPC_MULT = 0x18 | OPC_SPECIAL,
205 OPC_MULTU = 0x19 | OPC_SPECIAL,
206 OPC_DIV = 0x1A | OPC_SPECIAL,
207 OPC_DIVU = 0x1B | OPC_SPECIAL,
208 OPC_DMULT = 0x1C | OPC_SPECIAL,
209 OPC_DMULTU = 0x1D | OPC_SPECIAL,
210 OPC_DDIV = 0x1E | OPC_SPECIAL,
211 OPC_DDIVU = 0x1F | OPC_SPECIAL,
212
213 /* 2 registers arithmetic / logic */
214 OPC_ADD = 0x20 | OPC_SPECIAL,
215 OPC_ADDU = 0x21 | OPC_SPECIAL,
216 OPC_SUB = 0x22 | OPC_SPECIAL,
217 OPC_SUBU = 0x23 | OPC_SPECIAL,
218 OPC_AND = 0x24 | OPC_SPECIAL,
219 OPC_OR = 0x25 | OPC_SPECIAL,
220 OPC_XOR = 0x26 | OPC_SPECIAL,
221 OPC_NOR = 0x27 | OPC_SPECIAL,
222 OPC_SLT = 0x2A | OPC_SPECIAL,
223 OPC_SLTU = 0x2B | OPC_SPECIAL,
224 OPC_DADD = 0x2C | OPC_SPECIAL,
225 OPC_DADDU = 0x2D | OPC_SPECIAL,
226 OPC_DSUB = 0x2E | OPC_SPECIAL,
227 OPC_DSUBU = 0x2F | OPC_SPECIAL,
228 /* Jumps */
229 OPC_JR = 0x08 | OPC_SPECIAL, /* Also JR.HB */
230 OPC_JALR = 0x09 | OPC_SPECIAL, /* Also JALR.HB */
231 /* Traps */
232 OPC_TGE = 0x30 | OPC_SPECIAL,
233 OPC_TGEU = 0x31 | OPC_SPECIAL,
234 OPC_TLT = 0x32 | OPC_SPECIAL,
235 OPC_TLTU = 0x33 | OPC_SPECIAL,
236 OPC_TEQ = 0x34 | OPC_SPECIAL,
237 OPC_TNE = 0x36 | OPC_SPECIAL,
238 /* HI / LO registers load & stores */
239 OPC_MFHI = 0x10 | OPC_SPECIAL,
240 OPC_MTHI = 0x11 | OPC_SPECIAL,
241 OPC_MFLO = 0x12 | OPC_SPECIAL,
242 OPC_MTLO = 0x13 | OPC_SPECIAL,
243 /* Conditional moves */
244 OPC_MOVZ = 0x0A | OPC_SPECIAL,
245 OPC_MOVN = 0x0B | OPC_SPECIAL,
246
247 OPC_SELEQZ = 0x35 | OPC_SPECIAL,
248 OPC_SELNEZ = 0x37 | OPC_SPECIAL,
249
250 OPC_MOVCI = 0x01 | OPC_SPECIAL,
251
252 /* Special */
253 OPC_PMON = 0x05 | OPC_SPECIAL, /* unofficial */
254 OPC_SYSCALL = 0x0C | OPC_SPECIAL,
255 OPC_BREAK = 0x0D | OPC_SPECIAL,
256 OPC_SPIM = 0x0E | OPC_SPECIAL, /* unofficial */
257 OPC_SYNC = 0x0F | OPC_SPECIAL,
258
259 OPC_SPECIAL28_RESERVED = 0x28 | OPC_SPECIAL,
260 OPC_SPECIAL29_RESERVED = 0x29 | OPC_SPECIAL,
261 OPC_SPECIAL39_RESERVED = 0x39 | OPC_SPECIAL,
262 OPC_SPECIAL3D_RESERVED = 0x3D | OPC_SPECIAL,
263 };
264
265 /*
266 * R6 Multiply and Divide instructions have the same opcode
267 * and function field as legacy OPC_MULT[U]/OPC_DIV[U]
268 */
269 #define MASK_R6_MULDIV(op) (MASK_SPECIAL(op) | (op & (0x7ff)))
270
271 enum {
272 R6_OPC_MUL = OPC_MULT | (2 << 6),
273 R6_OPC_MUH = OPC_MULT | (3 << 6),
274 R6_OPC_MULU = OPC_MULTU | (2 << 6),
275 R6_OPC_MUHU = OPC_MULTU | (3 << 6),
276 R6_OPC_DIV = OPC_DIV | (2 << 6),
277 R6_OPC_MOD = OPC_DIV | (3 << 6),
278 R6_OPC_DIVU = OPC_DIVU | (2 << 6),
279 R6_OPC_MODU = OPC_DIVU | (3 << 6),
280
281 R6_OPC_DMUL = OPC_DMULT | (2 << 6),
282 R6_OPC_DMUH = OPC_DMULT | (3 << 6),
283 R6_OPC_DMULU = OPC_DMULTU | (2 << 6),
284 R6_OPC_DMUHU = OPC_DMULTU | (3 << 6),
285 R6_OPC_DDIV = OPC_DDIV | (2 << 6),
286 R6_OPC_DMOD = OPC_DDIV | (3 << 6),
287 R6_OPC_DDIVU = OPC_DDIVU | (2 << 6),
288 R6_OPC_DMODU = OPC_DDIVU | (3 << 6),
289
290 R6_OPC_CLZ = 0x10 | OPC_SPECIAL,
291 R6_OPC_CLO = 0x11 | OPC_SPECIAL,
292 R6_OPC_DCLZ = 0x12 | OPC_SPECIAL,
293 R6_OPC_DCLO = 0x13 | OPC_SPECIAL,
294 R6_OPC_SDBBP = 0x0e | OPC_SPECIAL,
295 };
296
297 /* REGIMM (rt field) opcodes */
298 #define MASK_REGIMM(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 16)))
299
300 enum {
301 OPC_BLTZ = (0x00 << 16) | OPC_REGIMM,
302 OPC_BLTZL = (0x02 << 16) | OPC_REGIMM,
303 OPC_BGEZ = (0x01 << 16) | OPC_REGIMM,
304 OPC_BGEZL = (0x03 << 16) | OPC_REGIMM,
305 OPC_BLTZAL = (0x10 << 16) | OPC_REGIMM,
306 OPC_BLTZALL = (0x12 << 16) | OPC_REGIMM,
307 OPC_BGEZAL = (0x11 << 16) | OPC_REGIMM,
308 OPC_BGEZALL = (0x13 << 16) | OPC_REGIMM,
309 OPC_TGEI = (0x08 << 16) | OPC_REGIMM,
310 OPC_TGEIU = (0x09 << 16) | OPC_REGIMM,
311 OPC_TLTI = (0x0A << 16) | OPC_REGIMM,
312 OPC_TLTIU = (0x0B << 16) | OPC_REGIMM,
313 OPC_TEQI = (0x0C << 16) | OPC_REGIMM,
314 OPC_TNEI = (0x0E << 16) | OPC_REGIMM,
315 OPC_SIGRIE = (0x17 << 16) | OPC_REGIMM,
316 OPC_SYNCI = (0x1F << 16) | OPC_REGIMM,
317
318 OPC_DAHI = (0x06 << 16) | OPC_REGIMM,
319 OPC_DATI = (0x1e << 16) | OPC_REGIMM,
320 };
321
322 /* Special2 opcodes */
323 #define MASK_SPECIAL2(op) (MASK_OP_MAJOR(op) | (op & 0x3F))
324
325 enum {
326 /* Multiply & xxx operations */
327 OPC_MADD = 0x00 | OPC_SPECIAL2,
328 OPC_MADDU = 0x01 | OPC_SPECIAL2,
329 OPC_MUL = 0x02 | OPC_SPECIAL2,
330 OPC_MSUB = 0x04 | OPC_SPECIAL2,
331 OPC_MSUBU = 0x05 | OPC_SPECIAL2,
332 /* Loongson 2F */
333 OPC_MULT_G_2F = 0x10 | OPC_SPECIAL2,
334 OPC_DMULT_G_2F = 0x11 | OPC_SPECIAL2,
335 OPC_MULTU_G_2F = 0x12 | OPC_SPECIAL2,
336 OPC_DMULTU_G_2F = 0x13 | OPC_SPECIAL2,
337 OPC_DIV_G_2F = 0x14 | OPC_SPECIAL2,
338 OPC_DDIV_G_2F = 0x15 | OPC_SPECIAL2,
339 OPC_DIVU_G_2F = 0x16 | OPC_SPECIAL2,
340 OPC_DDIVU_G_2F = 0x17 | OPC_SPECIAL2,
341 OPC_MOD_G_2F = 0x1c | OPC_SPECIAL2,
342 OPC_DMOD_G_2F = 0x1d | OPC_SPECIAL2,
343 OPC_MODU_G_2F = 0x1e | OPC_SPECIAL2,
344 OPC_DMODU_G_2F = 0x1f | OPC_SPECIAL2,
345 /* Misc */
346 OPC_CLZ = 0x20 | OPC_SPECIAL2,
347 OPC_CLO = 0x21 | OPC_SPECIAL2,
348 OPC_DCLZ = 0x24 | OPC_SPECIAL2,
349 OPC_DCLO = 0x25 | OPC_SPECIAL2,
350 /* Special */
351 OPC_SDBBP = 0x3F | OPC_SPECIAL2,
352 };
353
354 /* Special3 opcodes */
355 #define MASK_SPECIAL3(op) (MASK_OP_MAJOR(op) | (op & 0x3F))
356
357 enum {
358 OPC_EXT = 0x00 | OPC_SPECIAL3,
359 OPC_DEXTM = 0x01 | OPC_SPECIAL3,
360 OPC_DEXTU = 0x02 | OPC_SPECIAL3,
361 OPC_DEXT = 0x03 | OPC_SPECIAL3,
362 OPC_INS = 0x04 | OPC_SPECIAL3,
363 OPC_DINSM = 0x05 | OPC_SPECIAL3,
364 OPC_DINSU = 0x06 | OPC_SPECIAL3,
365 OPC_DINS = 0x07 | OPC_SPECIAL3,
366 OPC_FORK = 0x08 | OPC_SPECIAL3,
367 OPC_YIELD = 0x09 | OPC_SPECIAL3,
368 OPC_BSHFL = 0x20 | OPC_SPECIAL3,
369 OPC_DBSHFL = 0x24 | OPC_SPECIAL3,
370 OPC_RDHWR = 0x3B | OPC_SPECIAL3,
371 OPC_GINV = 0x3D | OPC_SPECIAL3,
372
373 /* Loongson 2E */
374 OPC_MULT_G_2E = 0x18 | OPC_SPECIAL3,
375 OPC_MULTU_G_2E = 0x19 | OPC_SPECIAL3,
376 OPC_DIV_G_2E = 0x1A | OPC_SPECIAL3,
377 OPC_DIVU_G_2E = 0x1B | OPC_SPECIAL3,
378 OPC_DMULT_G_2E = 0x1C | OPC_SPECIAL3,
379 OPC_DMULTU_G_2E = 0x1D | OPC_SPECIAL3,
380 OPC_DDIV_G_2E = 0x1E | OPC_SPECIAL3,
381 OPC_DDIVU_G_2E = 0x1F | OPC_SPECIAL3,
382 OPC_MOD_G_2E = 0x22 | OPC_SPECIAL3,
383 OPC_MODU_G_2E = 0x23 | OPC_SPECIAL3,
384 OPC_DMOD_G_2E = 0x26 | OPC_SPECIAL3,
385 OPC_DMODU_G_2E = 0x27 | OPC_SPECIAL3,
386
387 /* MIPS DSP Load */
388 OPC_LX_DSP = 0x0A | OPC_SPECIAL3,
389 /* MIPS DSP Arithmetic */
390 OPC_ADDU_QB_DSP = 0x10 | OPC_SPECIAL3,
391 OPC_ADDU_OB_DSP = 0x14 | OPC_SPECIAL3,
392 OPC_ABSQ_S_PH_DSP = 0x12 | OPC_SPECIAL3,
393 OPC_ABSQ_S_QH_DSP = 0x16 | OPC_SPECIAL3,
394 /* OPC_ADDUH_QB_DSP is same as OPC_MULT_G_2E. */
395 /* OPC_ADDUH_QB_DSP = 0x18 | OPC_SPECIAL3, */
396 OPC_CMPU_EQ_QB_DSP = 0x11 | OPC_SPECIAL3,
397 OPC_CMPU_EQ_OB_DSP = 0x15 | OPC_SPECIAL3,
398 /* MIPS DSP GPR-Based Shift Sub-class */
399 OPC_SHLL_QB_DSP = 0x13 | OPC_SPECIAL3,
400 OPC_SHLL_OB_DSP = 0x17 | OPC_SPECIAL3,
401 /* MIPS DSP Multiply Sub-class insns */
402 /* OPC_MUL_PH_DSP is same as OPC_ADDUH_QB_DSP. */
403 /* OPC_MUL_PH_DSP = 0x18 | OPC_SPECIAL3, */
404 OPC_DPA_W_PH_DSP = 0x30 | OPC_SPECIAL3,
405 OPC_DPAQ_W_QH_DSP = 0x34 | OPC_SPECIAL3,
406 /* DSP Bit/Manipulation Sub-class */
407 OPC_INSV_DSP = 0x0C | OPC_SPECIAL3,
408 OPC_DINSV_DSP = 0x0D | OPC_SPECIAL3,
409 /* MIPS DSP Append Sub-class */
410 OPC_APPEND_DSP = 0x31 | OPC_SPECIAL3,
411 OPC_DAPPEND_DSP = 0x35 | OPC_SPECIAL3,
412 /* MIPS DSP Accumulator and DSPControl Access Sub-class */
413 OPC_EXTR_W_DSP = 0x38 | OPC_SPECIAL3,
414 OPC_DEXTR_W_DSP = 0x3C | OPC_SPECIAL3,
415
416 /* EVA */
417 OPC_LWLE = 0x19 | OPC_SPECIAL3,
418 OPC_LWRE = 0x1A | OPC_SPECIAL3,
419 OPC_CACHEE = 0x1B | OPC_SPECIAL3,
420 OPC_SBE = 0x1C | OPC_SPECIAL3,
421 OPC_SHE = 0x1D | OPC_SPECIAL3,
422 OPC_SCE = 0x1E | OPC_SPECIAL3,
423 OPC_SWE = 0x1F | OPC_SPECIAL3,
424 OPC_SWLE = 0x21 | OPC_SPECIAL3,
425 OPC_SWRE = 0x22 | OPC_SPECIAL3,
426 OPC_PREFE = 0x23 | OPC_SPECIAL3,
427 OPC_LBUE = 0x28 | OPC_SPECIAL3,
428 OPC_LHUE = 0x29 | OPC_SPECIAL3,
429 OPC_LBE = 0x2C | OPC_SPECIAL3,
430 OPC_LHE = 0x2D | OPC_SPECIAL3,
431 OPC_LLE = 0x2E | OPC_SPECIAL3,
432 OPC_LWE = 0x2F | OPC_SPECIAL3,
433
434 /* R6 */
435 R6_OPC_PREF = 0x35 | OPC_SPECIAL3,
436 R6_OPC_CACHE = 0x25 | OPC_SPECIAL3,
437 R6_OPC_LL = 0x36 | OPC_SPECIAL3,
438 R6_OPC_SC = 0x26 | OPC_SPECIAL3,
439 R6_OPC_LLD = 0x37 | OPC_SPECIAL3,
440 R6_OPC_SCD = 0x27 | OPC_SPECIAL3,
441 };
442
443 /* Loongson EXT load/store quad word opcodes */
444 #define MASK_LOONGSON_GSLSQ(op) (MASK_OP_MAJOR(op) | (op & 0x8020))
445 enum {
446 OPC_GSLQ = 0x0020 | OPC_LWC2,
447 OPC_GSLQC1 = 0x8020 | OPC_LWC2,
448 OPC_GSSHFL = OPC_LWC2,
449 OPC_GSSQ = 0x0020 | OPC_SWC2,
450 OPC_GSSQC1 = 0x8020 | OPC_SWC2,
451 OPC_GSSHFS = OPC_SWC2,
452 };
453
454 /* Loongson EXT shifted load/store opcodes */
455 #define MASK_LOONGSON_GSSHFLS(op) (MASK_OP_MAJOR(op) | (op & 0xc03f))
456 enum {
457 OPC_GSLWLC1 = 0x4 | OPC_GSSHFL,
458 OPC_GSLWRC1 = 0x5 | OPC_GSSHFL,
459 OPC_GSLDLC1 = 0x6 | OPC_GSSHFL,
460 OPC_GSLDRC1 = 0x7 | OPC_GSSHFL,
461 OPC_GSSWLC1 = 0x4 | OPC_GSSHFS,
462 OPC_GSSWRC1 = 0x5 | OPC_GSSHFS,
463 OPC_GSSDLC1 = 0x6 | OPC_GSSHFS,
464 OPC_GSSDRC1 = 0x7 | OPC_GSSHFS,
465 };
466
467 /* Loongson EXT LDC2/SDC2 opcodes */
468 #define MASK_LOONGSON_LSDC2(op) (MASK_OP_MAJOR(op) | (op & 0x7))
469
470 enum {
471 OPC_GSLBX = 0x0 | OPC_LDC2,
472 OPC_GSLHX = 0x1 | OPC_LDC2,
473 OPC_GSLWX = 0x2 | OPC_LDC2,
474 OPC_GSLDX = 0x3 | OPC_LDC2,
475 OPC_GSLWXC1 = 0x6 | OPC_LDC2,
476 OPC_GSLDXC1 = 0x7 | OPC_LDC2,
477 OPC_GSSBX = 0x0 | OPC_SDC2,
478 OPC_GSSHX = 0x1 | OPC_SDC2,
479 OPC_GSSWX = 0x2 | OPC_SDC2,
480 OPC_GSSDX = 0x3 | OPC_SDC2,
481 OPC_GSSWXC1 = 0x6 | OPC_SDC2,
482 OPC_GSSDXC1 = 0x7 | OPC_SDC2,
483 };
484
485 /* BSHFL opcodes */
486 #define MASK_BSHFL(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
487
488 enum {
489 OPC_WSBH = (0x02 << 6) | OPC_BSHFL,
490 OPC_SEB = (0x10 << 6) | OPC_BSHFL,
491 OPC_SEH = (0x18 << 6) | OPC_BSHFL,
492 OPC_ALIGN = (0x08 << 6) | OPC_BSHFL, /* 010.bp (010.00 to 010.11) */
493 OPC_ALIGN_1 = (0x09 << 6) | OPC_BSHFL,
494 OPC_ALIGN_2 = (0x0A << 6) | OPC_BSHFL,
495 OPC_ALIGN_3 = (0x0B << 6) | OPC_BSHFL,
496 OPC_BITSWAP = (0x00 << 6) | OPC_BSHFL /* 00000 */
497 };
498
499 /* DBSHFL opcodes */
500 #define MASK_DBSHFL(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
501
502 enum {
503 OPC_DSBH = (0x02 << 6) | OPC_DBSHFL,
504 OPC_DSHD = (0x05 << 6) | OPC_DBSHFL,
505 OPC_DALIGN = (0x08 << 6) | OPC_DBSHFL, /* 01.bp (01.000 to 01.111) */
506 OPC_DALIGN_1 = (0x09 << 6) | OPC_DBSHFL,
507 OPC_DALIGN_2 = (0x0A << 6) | OPC_DBSHFL,
508 OPC_DALIGN_3 = (0x0B << 6) | OPC_DBSHFL,
509 OPC_DALIGN_4 = (0x0C << 6) | OPC_DBSHFL,
510 OPC_DALIGN_5 = (0x0D << 6) | OPC_DBSHFL,
511 OPC_DALIGN_6 = (0x0E << 6) | OPC_DBSHFL,
512 OPC_DALIGN_7 = (0x0F << 6) | OPC_DBSHFL,
513 OPC_DBITSWAP = (0x00 << 6) | OPC_DBSHFL, /* 00000 */
514 };
515
516 /* MIPS DSP REGIMM opcodes */
517 enum {
518 OPC_BPOSGE32 = (0x1C << 16) | OPC_REGIMM,
519 OPC_BPOSGE64 = (0x1D << 16) | OPC_REGIMM,
520 };
521
522 #define MASK_LX(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
523 /* MIPS DSP Load */
524 enum {
525 OPC_LBUX = (0x06 << 6) | OPC_LX_DSP,
526 OPC_LHX = (0x04 << 6) | OPC_LX_DSP,
527 OPC_LWX = (0x00 << 6) | OPC_LX_DSP,
528 OPC_LDX = (0x08 << 6) | OPC_LX_DSP,
529 };
530
531 #define MASK_ADDU_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
532 enum {
533 /* MIPS DSP Arithmetic Sub-class */
534 OPC_ADDQ_PH = (0x0A << 6) | OPC_ADDU_QB_DSP,
535 OPC_ADDQ_S_PH = (0x0E << 6) | OPC_ADDU_QB_DSP,
536 OPC_ADDQ_S_W = (0x16 << 6) | OPC_ADDU_QB_DSP,
537 OPC_ADDU_QB = (0x00 << 6) | OPC_ADDU_QB_DSP,
538 OPC_ADDU_S_QB = (0x04 << 6) | OPC_ADDU_QB_DSP,
539 OPC_ADDU_PH = (0x08 << 6) | OPC_ADDU_QB_DSP,
540 OPC_ADDU_S_PH = (0x0C << 6) | OPC_ADDU_QB_DSP,
541 OPC_SUBQ_PH = (0x0B << 6) | OPC_ADDU_QB_DSP,
542 OPC_SUBQ_S_PH = (0x0F << 6) | OPC_ADDU_QB_DSP,
543 OPC_SUBQ_S_W = (0x17 << 6) | OPC_ADDU_QB_DSP,
544 OPC_SUBU_QB = (0x01 << 6) | OPC_ADDU_QB_DSP,
545 OPC_SUBU_S_QB = (0x05 << 6) | OPC_ADDU_QB_DSP,
546 OPC_SUBU_PH = (0x09 << 6) | OPC_ADDU_QB_DSP,
547 OPC_SUBU_S_PH = (0x0D << 6) | OPC_ADDU_QB_DSP,
548 OPC_ADDSC = (0x10 << 6) | OPC_ADDU_QB_DSP,
549 OPC_ADDWC = (0x11 << 6) | OPC_ADDU_QB_DSP,
550 OPC_MODSUB = (0x12 << 6) | OPC_ADDU_QB_DSP,
551 OPC_RADDU_W_QB = (0x14 << 6) | OPC_ADDU_QB_DSP,
552 /* MIPS DSP Multiply Sub-class insns */
553 OPC_MULEU_S_PH_QBL = (0x06 << 6) | OPC_ADDU_QB_DSP,
554 OPC_MULEU_S_PH_QBR = (0x07 << 6) | OPC_ADDU_QB_DSP,
555 OPC_MULQ_RS_PH = (0x1F << 6) | OPC_ADDU_QB_DSP,
556 OPC_MULEQ_S_W_PHL = (0x1C << 6) | OPC_ADDU_QB_DSP,
557 OPC_MULEQ_S_W_PHR = (0x1D << 6) | OPC_ADDU_QB_DSP,
558 OPC_MULQ_S_PH = (0x1E << 6) | OPC_ADDU_QB_DSP,
559 };
560
561 #define OPC_ADDUH_QB_DSP OPC_MULT_G_2E
562 #define MASK_ADDUH_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
563 enum {
564 /* MIPS DSP Arithmetic Sub-class */
565 OPC_ADDUH_QB = (0x00 << 6) | OPC_ADDUH_QB_DSP,
566 OPC_ADDUH_R_QB = (0x02 << 6) | OPC_ADDUH_QB_DSP,
567 OPC_ADDQH_PH = (0x08 << 6) | OPC_ADDUH_QB_DSP,
568 OPC_ADDQH_R_PH = (0x0A << 6) | OPC_ADDUH_QB_DSP,
569 OPC_ADDQH_W = (0x10 << 6) | OPC_ADDUH_QB_DSP,
570 OPC_ADDQH_R_W = (0x12 << 6) | OPC_ADDUH_QB_DSP,
571 OPC_SUBUH_QB = (0x01 << 6) | OPC_ADDUH_QB_DSP,
572 OPC_SUBUH_R_QB = (0x03 << 6) | OPC_ADDUH_QB_DSP,
573 OPC_SUBQH_PH = (0x09 << 6) | OPC_ADDUH_QB_DSP,
574 OPC_SUBQH_R_PH = (0x0B << 6) | OPC_ADDUH_QB_DSP,
575 OPC_SUBQH_W = (0x11 << 6) | OPC_ADDUH_QB_DSP,
576 OPC_SUBQH_R_W = (0x13 << 6) | OPC_ADDUH_QB_DSP,
577 /* MIPS DSP Multiply Sub-class insns */
578 OPC_MUL_PH = (0x0C << 6) | OPC_ADDUH_QB_DSP,
579 OPC_MUL_S_PH = (0x0E << 6) | OPC_ADDUH_QB_DSP,
580 OPC_MULQ_S_W = (0x16 << 6) | OPC_ADDUH_QB_DSP,
581 OPC_MULQ_RS_W = (0x17 << 6) | OPC_ADDUH_QB_DSP,
582 };
583
584 #define MASK_ABSQ_S_PH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
585 enum {
586 /* MIPS DSP Arithmetic Sub-class */
587 OPC_ABSQ_S_QB = (0x01 << 6) | OPC_ABSQ_S_PH_DSP,
588 OPC_ABSQ_S_PH = (0x09 << 6) | OPC_ABSQ_S_PH_DSP,
589 OPC_ABSQ_S_W = (0x11 << 6) | OPC_ABSQ_S_PH_DSP,
590 OPC_PRECEQ_W_PHL = (0x0C << 6) | OPC_ABSQ_S_PH_DSP,
591 OPC_PRECEQ_W_PHR = (0x0D << 6) | OPC_ABSQ_S_PH_DSP,
592 OPC_PRECEQU_PH_QBL = (0x04 << 6) | OPC_ABSQ_S_PH_DSP,
593 OPC_PRECEQU_PH_QBR = (0x05 << 6) | OPC_ABSQ_S_PH_DSP,
594 OPC_PRECEQU_PH_QBLA = (0x06 << 6) | OPC_ABSQ_S_PH_DSP,
595 OPC_PRECEQU_PH_QBRA = (0x07 << 6) | OPC_ABSQ_S_PH_DSP,
596 OPC_PRECEU_PH_QBL = (0x1C << 6) | OPC_ABSQ_S_PH_DSP,
597 OPC_PRECEU_PH_QBR = (0x1D << 6) | OPC_ABSQ_S_PH_DSP,
598 OPC_PRECEU_PH_QBLA = (0x1E << 6) | OPC_ABSQ_S_PH_DSP,
599 OPC_PRECEU_PH_QBRA = (0x1F << 6) | OPC_ABSQ_S_PH_DSP,
600 /* DSP Bit/Manipulation Sub-class */
601 OPC_BITREV = (0x1B << 6) | OPC_ABSQ_S_PH_DSP,
602 OPC_REPL_QB = (0x02 << 6) | OPC_ABSQ_S_PH_DSP,
603 OPC_REPLV_QB = (0x03 << 6) | OPC_ABSQ_S_PH_DSP,
604 OPC_REPL_PH = (0x0A << 6) | OPC_ABSQ_S_PH_DSP,
605 OPC_REPLV_PH = (0x0B << 6) | OPC_ABSQ_S_PH_DSP,
606 };
607
608 #define MASK_CMPU_EQ_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
609 enum {
610 /* MIPS DSP Arithmetic Sub-class */
611 OPC_PRECR_QB_PH = (0x0D << 6) | OPC_CMPU_EQ_QB_DSP,
612 OPC_PRECRQ_QB_PH = (0x0C << 6) | OPC_CMPU_EQ_QB_DSP,
613 OPC_PRECR_SRA_PH_W = (0x1E << 6) | OPC_CMPU_EQ_QB_DSP,
614 OPC_PRECR_SRA_R_PH_W = (0x1F << 6) | OPC_CMPU_EQ_QB_DSP,
615 OPC_PRECRQ_PH_W = (0x14 << 6) | OPC_CMPU_EQ_QB_DSP,
616 OPC_PRECRQ_RS_PH_W = (0x15 << 6) | OPC_CMPU_EQ_QB_DSP,
617 OPC_PRECRQU_S_QB_PH = (0x0F << 6) | OPC_CMPU_EQ_QB_DSP,
618 /* DSP Compare-Pick Sub-class */
619 OPC_CMPU_EQ_QB = (0x00 << 6) | OPC_CMPU_EQ_QB_DSP,
620 OPC_CMPU_LT_QB = (0x01 << 6) | OPC_CMPU_EQ_QB_DSP,
621 OPC_CMPU_LE_QB = (0x02 << 6) | OPC_CMPU_EQ_QB_DSP,
622 OPC_CMPGU_EQ_QB = (0x04 << 6) | OPC_CMPU_EQ_QB_DSP,
623 OPC_CMPGU_LT_QB = (0x05 << 6) | OPC_CMPU_EQ_QB_DSP,
624 OPC_CMPGU_LE_QB = (0x06 << 6) | OPC_CMPU_EQ_QB_DSP,
625 OPC_CMPGDU_EQ_QB = (0x18 << 6) | OPC_CMPU_EQ_QB_DSP,
626 OPC_CMPGDU_LT_QB = (0x19 << 6) | OPC_CMPU_EQ_QB_DSP,
627 OPC_CMPGDU_LE_QB = (0x1A << 6) | OPC_CMPU_EQ_QB_DSP,
628 OPC_CMP_EQ_PH = (0x08 << 6) | OPC_CMPU_EQ_QB_DSP,
629 OPC_CMP_LT_PH = (0x09 << 6) | OPC_CMPU_EQ_QB_DSP,
630 OPC_CMP_LE_PH = (0x0A << 6) | OPC_CMPU_EQ_QB_DSP,
631 OPC_PICK_QB = (0x03 << 6) | OPC_CMPU_EQ_QB_DSP,
632 OPC_PICK_PH = (0x0B << 6) | OPC_CMPU_EQ_QB_DSP,
633 OPC_PACKRL_PH = (0x0E << 6) | OPC_CMPU_EQ_QB_DSP,
634 };
635
636 #define MASK_SHLL_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
637 enum {
638 /* MIPS DSP GPR-Based Shift Sub-class */
639 OPC_SHLL_QB = (0x00 << 6) | OPC_SHLL_QB_DSP,
640 OPC_SHLLV_QB = (0x02 << 6) | OPC_SHLL_QB_DSP,
641 OPC_SHLL_PH = (0x08 << 6) | OPC_SHLL_QB_DSP,
642 OPC_SHLLV_PH = (0x0A << 6) | OPC_SHLL_QB_DSP,
643 OPC_SHLL_S_PH = (0x0C << 6) | OPC_SHLL_QB_DSP,
644 OPC_SHLLV_S_PH = (0x0E << 6) | OPC_SHLL_QB_DSP,
645 OPC_SHLL_S_W = (0x14 << 6) | OPC_SHLL_QB_DSP,
646 OPC_SHLLV_S_W = (0x16 << 6) | OPC_SHLL_QB_DSP,
647 OPC_SHRL_QB = (0x01 << 6) | OPC_SHLL_QB_DSP,
648 OPC_SHRLV_QB = (0x03 << 6) | OPC_SHLL_QB_DSP,
649 OPC_SHRL_PH = (0x19 << 6) | OPC_SHLL_QB_DSP,
650 OPC_SHRLV_PH = (0x1B << 6) | OPC_SHLL_QB_DSP,
651 OPC_SHRA_QB = (0x04 << 6) | OPC_SHLL_QB_DSP,
652 OPC_SHRA_R_QB = (0x05 << 6) | OPC_SHLL_QB_DSP,
653 OPC_SHRAV_QB = (0x06 << 6) | OPC_SHLL_QB_DSP,
654 OPC_SHRAV_R_QB = (0x07 << 6) | OPC_SHLL_QB_DSP,
655 OPC_SHRA_PH = (0x09 << 6) | OPC_SHLL_QB_DSP,
656 OPC_SHRAV_PH = (0x0B << 6) | OPC_SHLL_QB_DSP,
657 OPC_SHRA_R_PH = (0x0D << 6) | OPC_SHLL_QB_DSP,
658 OPC_SHRAV_R_PH = (0x0F << 6) | OPC_SHLL_QB_DSP,
659 OPC_SHRA_R_W = (0x15 << 6) | OPC_SHLL_QB_DSP,
660 OPC_SHRAV_R_W = (0x17 << 6) | OPC_SHLL_QB_DSP,
661 };
662
663 #define MASK_DPA_W_PH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
664 enum {
665 /* MIPS DSP Multiply Sub-class insns */
666 OPC_DPAU_H_QBL = (0x03 << 6) | OPC_DPA_W_PH_DSP,
667 OPC_DPAU_H_QBR = (0x07 << 6) | OPC_DPA_W_PH_DSP,
668 OPC_DPSU_H_QBL = (0x0B << 6) | OPC_DPA_W_PH_DSP,
669 OPC_DPSU_H_QBR = (0x0F << 6) | OPC_DPA_W_PH_DSP,
670 OPC_DPA_W_PH = (0x00 << 6) | OPC_DPA_W_PH_DSP,
671 OPC_DPAX_W_PH = (0x08 << 6) | OPC_DPA_W_PH_DSP,
672 OPC_DPAQ_S_W_PH = (0x04 << 6) | OPC_DPA_W_PH_DSP,
673 OPC_DPAQX_S_W_PH = (0x18 << 6) | OPC_DPA_W_PH_DSP,
674 OPC_DPAQX_SA_W_PH = (0x1A << 6) | OPC_DPA_W_PH_DSP,
675 OPC_DPS_W_PH = (0x01 << 6) | OPC_DPA_W_PH_DSP,
676 OPC_DPSX_W_PH = (0x09 << 6) | OPC_DPA_W_PH_DSP,
677 OPC_DPSQ_S_W_PH = (0x05 << 6) | OPC_DPA_W_PH_DSP,
678 OPC_DPSQX_S_W_PH = (0x19 << 6) | OPC_DPA_W_PH_DSP,
679 OPC_DPSQX_SA_W_PH = (0x1B << 6) | OPC_DPA_W_PH_DSP,
680 OPC_MULSAQ_S_W_PH = (0x06 << 6) | OPC_DPA_W_PH_DSP,
681 OPC_DPAQ_SA_L_W = (0x0C << 6) | OPC_DPA_W_PH_DSP,
682 OPC_DPSQ_SA_L_W = (0x0D << 6) | OPC_DPA_W_PH_DSP,
683 OPC_MAQ_S_W_PHL = (0x14 << 6) | OPC_DPA_W_PH_DSP,
684 OPC_MAQ_S_W_PHR = (0x16 << 6) | OPC_DPA_W_PH_DSP,
685 OPC_MAQ_SA_W_PHL = (0x10 << 6) | OPC_DPA_W_PH_DSP,
686 OPC_MAQ_SA_W_PHR = (0x12 << 6) | OPC_DPA_W_PH_DSP,
687 OPC_MULSA_W_PH = (0x02 << 6) | OPC_DPA_W_PH_DSP,
688 };
689
690 #define MASK_INSV(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
691 enum {
692 /* DSP Bit/Manipulation Sub-class */
693 OPC_INSV = (0x00 << 6) | OPC_INSV_DSP,
694 };
695
696 #define MASK_APPEND(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
697 enum {
698 /* MIPS DSP Append Sub-class */
699 OPC_APPEND = (0x00 << 6) | OPC_APPEND_DSP,
700 OPC_PREPEND = (0x01 << 6) | OPC_APPEND_DSP,
701 OPC_BALIGN = (0x10 << 6) | OPC_APPEND_DSP,
702 };
703
704 #define MASK_EXTR_W(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
705 enum {
706 /* MIPS DSP Accumulator and DSPControl Access Sub-class */
707 OPC_EXTR_W = (0x00 << 6) | OPC_EXTR_W_DSP,
708 OPC_EXTR_R_W = (0x04 << 6) | OPC_EXTR_W_DSP,
709 OPC_EXTR_RS_W = (0x06 << 6) | OPC_EXTR_W_DSP,
710 OPC_EXTR_S_H = (0x0E << 6) | OPC_EXTR_W_DSP,
711 OPC_EXTRV_S_H = (0x0F << 6) | OPC_EXTR_W_DSP,
712 OPC_EXTRV_W = (0x01 << 6) | OPC_EXTR_W_DSP,
713 OPC_EXTRV_R_W = (0x05 << 6) | OPC_EXTR_W_DSP,
714 OPC_EXTRV_RS_W = (0x07 << 6) | OPC_EXTR_W_DSP,
715 OPC_EXTP = (0x02 << 6) | OPC_EXTR_W_DSP,
716 OPC_EXTPV = (0x03 << 6) | OPC_EXTR_W_DSP,
717 OPC_EXTPDP = (0x0A << 6) | OPC_EXTR_W_DSP,
718 OPC_EXTPDPV = (0x0B << 6) | OPC_EXTR_W_DSP,
719 OPC_SHILO = (0x1A << 6) | OPC_EXTR_W_DSP,
720 OPC_SHILOV = (0x1B << 6) | OPC_EXTR_W_DSP,
721 OPC_MTHLIP = (0x1F << 6) | OPC_EXTR_W_DSP,
722 OPC_WRDSP = (0x13 << 6) | OPC_EXTR_W_DSP,
723 OPC_RDDSP = (0x12 << 6) | OPC_EXTR_W_DSP,
724 };
725
726 #define MASK_ABSQ_S_QH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
727 enum {
728 /* MIPS DSP Arithmetic Sub-class */
729 OPC_PRECEQ_L_PWL = (0x14 << 6) | OPC_ABSQ_S_QH_DSP,
730 OPC_PRECEQ_L_PWR = (0x15 << 6) | OPC_ABSQ_S_QH_DSP,
731 OPC_PRECEQ_PW_QHL = (0x0C << 6) | OPC_ABSQ_S_QH_DSP,
732 OPC_PRECEQ_PW_QHR = (0x0D << 6) | OPC_ABSQ_S_QH_DSP,
733 OPC_PRECEQ_PW_QHLA = (0x0E << 6) | OPC_ABSQ_S_QH_DSP,
734 OPC_PRECEQ_PW_QHRA = (0x0F << 6) | OPC_ABSQ_S_QH_DSP,
735 OPC_PRECEQU_QH_OBL = (0x04 << 6) | OPC_ABSQ_S_QH_DSP,
736 OPC_PRECEQU_QH_OBR = (0x05 << 6) | OPC_ABSQ_S_QH_DSP,
737 OPC_PRECEQU_QH_OBLA = (0x06 << 6) | OPC_ABSQ_S_QH_DSP,
738 OPC_PRECEQU_QH_OBRA = (0x07 << 6) | OPC_ABSQ_S_QH_DSP,
739 OPC_PRECEU_QH_OBL = (0x1C << 6) | OPC_ABSQ_S_QH_DSP,
740 OPC_PRECEU_QH_OBR = (0x1D << 6) | OPC_ABSQ_S_QH_DSP,
741 OPC_PRECEU_QH_OBLA = (0x1E << 6) | OPC_ABSQ_S_QH_DSP,
742 OPC_PRECEU_QH_OBRA = (0x1F << 6) | OPC_ABSQ_S_QH_DSP,
743 OPC_ABSQ_S_OB = (0x01 << 6) | OPC_ABSQ_S_QH_DSP,
744 OPC_ABSQ_S_PW = (0x11 << 6) | OPC_ABSQ_S_QH_DSP,
745 OPC_ABSQ_S_QH = (0x09 << 6) | OPC_ABSQ_S_QH_DSP,
746 /* DSP Bit/Manipulation Sub-class */
747 OPC_REPL_OB = (0x02 << 6) | OPC_ABSQ_S_QH_DSP,
748 OPC_REPL_PW = (0x12 << 6) | OPC_ABSQ_S_QH_DSP,
749 OPC_REPL_QH = (0x0A << 6) | OPC_ABSQ_S_QH_DSP,
750 OPC_REPLV_OB = (0x03 << 6) | OPC_ABSQ_S_QH_DSP,
751 OPC_REPLV_PW = (0x13 << 6) | OPC_ABSQ_S_QH_DSP,
752 OPC_REPLV_QH = (0x0B << 6) | OPC_ABSQ_S_QH_DSP,
753 };
754
755 #define MASK_ADDU_OB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
756 enum {
757 /* MIPS DSP Multiply Sub-class insns */
758 OPC_MULEQ_S_PW_QHL = (0x1C << 6) | OPC_ADDU_OB_DSP,
759 OPC_MULEQ_S_PW_QHR = (0x1D << 6) | OPC_ADDU_OB_DSP,
760 OPC_MULEU_S_QH_OBL = (0x06 << 6) | OPC_ADDU_OB_DSP,
761 OPC_MULEU_S_QH_OBR = (0x07 << 6) | OPC_ADDU_OB_DSP,
762 OPC_MULQ_RS_QH = (0x1F << 6) | OPC_ADDU_OB_DSP,
763 /* MIPS DSP Arithmetic Sub-class */
764 OPC_RADDU_L_OB = (0x14 << 6) | OPC_ADDU_OB_DSP,
765 OPC_SUBQ_PW = (0x13 << 6) | OPC_ADDU_OB_DSP,
766 OPC_SUBQ_S_PW = (0x17 << 6) | OPC_ADDU_OB_DSP,
767 OPC_SUBQ_QH = (0x0B << 6) | OPC_ADDU_OB_DSP,
768 OPC_SUBQ_S_QH = (0x0F << 6) | OPC_ADDU_OB_DSP,
769 OPC_SUBU_OB = (0x01 << 6) | OPC_ADDU_OB_DSP,
770 OPC_SUBU_S_OB = (0x05 << 6) | OPC_ADDU_OB_DSP,
771 OPC_SUBU_QH = (0x09 << 6) | OPC_ADDU_OB_DSP,
772 OPC_SUBU_S_QH = (0x0D << 6) | OPC_ADDU_OB_DSP,
773 OPC_SUBUH_OB = (0x19 << 6) | OPC_ADDU_OB_DSP,
774 OPC_SUBUH_R_OB = (0x1B << 6) | OPC_ADDU_OB_DSP,
775 OPC_ADDQ_PW = (0x12 << 6) | OPC_ADDU_OB_DSP,
776 OPC_ADDQ_S_PW = (0x16 << 6) | OPC_ADDU_OB_DSP,
777 OPC_ADDQ_QH = (0x0A << 6) | OPC_ADDU_OB_DSP,
778 OPC_ADDQ_S_QH = (0x0E << 6) | OPC_ADDU_OB_DSP,
779 OPC_ADDU_OB = (0x00 << 6) | OPC_ADDU_OB_DSP,
780 OPC_ADDU_S_OB = (0x04 << 6) | OPC_ADDU_OB_DSP,
781 OPC_ADDU_QH = (0x08 << 6) | OPC_ADDU_OB_DSP,
782 OPC_ADDU_S_QH = (0x0C << 6) | OPC_ADDU_OB_DSP,
783 OPC_ADDUH_OB = (0x18 << 6) | OPC_ADDU_OB_DSP,
784 OPC_ADDUH_R_OB = (0x1A << 6) | OPC_ADDU_OB_DSP,
785 };
786
787 #define MASK_CMPU_EQ_OB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
788 enum {
789 /* DSP Compare-Pick Sub-class */
790 OPC_CMP_EQ_PW = (0x10 << 6) | OPC_CMPU_EQ_OB_DSP,
791 OPC_CMP_LT_PW = (0x11 << 6) | OPC_CMPU_EQ_OB_DSP,
792 OPC_CMP_LE_PW = (0x12 << 6) | OPC_CMPU_EQ_OB_DSP,
793 OPC_CMP_EQ_QH = (0x08 << 6) | OPC_CMPU_EQ_OB_DSP,
794 OPC_CMP_LT_QH = (0x09 << 6) | OPC_CMPU_EQ_OB_DSP,
795 OPC_CMP_LE_QH = (0x0A << 6) | OPC_CMPU_EQ_OB_DSP,
796 OPC_CMPGDU_EQ_OB = (0x18 << 6) | OPC_CMPU_EQ_OB_DSP,
797 OPC_CMPGDU_LT_OB = (0x19 << 6) | OPC_CMPU_EQ_OB_DSP,
798 OPC_CMPGDU_LE_OB = (0x1A << 6) | OPC_CMPU_EQ_OB_DSP,
799 OPC_CMPGU_EQ_OB = (0x04 << 6) | OPC_CMPU_EQ_OB_DSP,
800 OPC_CMPGU_LT_OB = (0x05 << 6) | OPC_CMPU_EQ_OB_DSP,
801 OPC_CMPGU_LE_OB = (0x06 << 6) | OPC_CMPU_EQ_OB_DSP,
802 OPC_CMPU_EQ_OB = (0x00 << 6) | OPC_CMPU_EQ_OB_DSP,
803 OPC_CMPU_LT_OB = (0x01 << 6) | OPC_CMPU_EQ_OB_DSP,
804 OPC_CMPU_LE_OB = (0x02 << 6) | OPC_CMPU_EQ_OB_DSP,
805 OPC_PACKRL_PW = (0x0E << 6) | OPC_CMPU_EQ_OB_DSP,
806 OPC_PICK_OB = (0x03 << 6) | OPC_CMPU_EQ_OB_DSP,
807 OPC_PICK_PW = (0x13 << 6) | OPC_CMPU_EQ_OB_DSP,
808 OPC_PICK_QH = (0x0B << 6) | OPC_CMPU_EQ_OB_DSP,
809 /* MIPS DSP Arithmetic Sub-class */
810 OPC_PRECR_OB_QH = (0x0D << 6) | OPC_CMPU_EQ_OB_DSP,
811 OPC_PRECR_SRA_QH_PW = (0x1E << 6) | OPC_CMPU_EQ_OB_DSP,
812 OPC_PRECR_SRA_R_QH_PW = (0x1F << 6) | OPC_CMPU_EQ_OB_DSP,
813 OPC_PRECRQ_OB_QH = (0x0C << 6) | OPC_CMPU_EQ_OB_DSP,
814 OPC_PRECRQ_PW_L = (0x1C << 6) | OPC_CMPU_EQ_OB_DSP,
815 OPC_PRECRQ_QH_PW = (0x14 << 6) | OPC_CMPU_EQ_OB_DSP,
816 OPC_PRECRQ_RS_QH_PW = (0x15 << 6) | OPC_CMPU_EQ_OB_DSP,
817 OPC_PRECRQU_S_OB_QH = (0x0F << 6) | OPC_CMPU_EQ_OB_DSP,
818 };
819
820 #define MASK_DAPPEND(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
821 enum {
822 /* DSP Append Sub-class */
823 OPC_DAPPEND = (0x00 << 6) | OPC_DAPPEND_DSP,
824 OPC_PREPENDD = (0x03 << 6) | OPC_DAPPEND_DSP,
825 OPC_PREPENDW = (0x01 << 6) | OPC_DAPPEND_DSP,
826 OPC_DBALIGN = (0x10 << 6) | OPC_DAPPEND_DSP,
827 };
828
829 #define MASK_DEXTR_W(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
830 enum {
831 /* MIPS DSP Accumulator and DSPControl Access Sub-class */
832 OPC_DMTHLIP = (0x1F << 6) | OPC_DEXTR_W_DSP,
833 OPC_DSHILO = (0x1A << 6) | OPC_DEXTR_W_DSP,
834 OPC_DEXTP = (0x02 << 6) | OPC_DEXTR_W_DSP,
835 OPC_DEXTPDP = (0x0A << 6) | OPC_DEXTR_W_DSP,
836 OPC_DEXTPDPV = (0x0B << 6) | OPC_DEXTR_W_DSP,
837 OPC_DEXTPV = (0x03 << 6) | OPC_DEXTR_W_DSP,
838 OPC_DEXTR_L = (0x10 << 6) | OPC_DEXTR_W_DSP,
839 OPC_DEXTR_R_L = (0x14 << 6) | OPC_DEXTR_W_DSP,
840 OPC_DEXTR_RS_L = (0x16 << 6) | OPC_DEXTR_W_DSP,
841 OPC_DEXTR_W = (0x00 << 6) | OPC_DEXTR_W_DSP,
842 OPC_DEXTR_R_W = (0x04 << 6) | OPC_DEXTR_W_DSP,
843 OPC_DEXTR_RS_W = (0x06 << 6) | OPC_DEXTR_W_DSP,
844 OPC_DEXTR_S_H = (0x0E << 6) | OPC_DEXTR_W_DSP,
845 OPC_DEXTRV_L = (0x11 << 6) | OPC_DEXTR_W_DSP,
846 OPC_DEXTRV_R_L = (0x15 << 6) | OPC_DEXTR_W_DSP,
847 OPC_DEXTRV_RS_L = (0x17 << 6) | OPC_DEXTR_W_DSP,
848 OPC_DEXTRV_S_H = (0x0F << 6) | OPC_DEXTR_W_DSP,
849 OPC_DEXTRV_W = (0x01 << 6) | OPC_DEXTR_W_DSP,
850 OPC_DEXTRV_R_W = (0x05 << 6) | OPC_DEXTR_W_DSP,
851 OPC_DEXTRV_RS_W = (0x07 << 6) | OPC_DEXTR_W_DSP,
852 OPC_DSHILOV = (0x1B << 6) | OPC_DEXTR_W_DSP,
853 };
854
855 #define MASK_DINSV(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
856 enum {
857 /* DSP Bit/Manipulation Sub-class */
858 OPC_DINSV = (0x00 << 6) | OPC_DINSV_DSP,
859 };
860
861 #define MASK_DPAQ_W_QH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
862 enum {
863 /* MIPS DSP Multiply Sub-class insns */
864 OPC_DMADD = (0x19 << 6) | OPC_DPAQ_W_QH_DSP,
865 OPC_DMADDU = (0x1D << 6) | OPC_DPAQ_W_QH_DSP,
866 OPC_DMSUB = (0x1B << 6) | OPC_DPAQ_W_QH_DSP,
867 OPC_DMSUBU = (0x1F << 6) | OPC_DPAQ_W_QH_DSP,
868 OPC_DPA_W_QH = (0x00 << 6) | OPC_DPAQ_W_QH_DSP,
869 OPC_DPAQ_S_W_QH = (0x04 << 6) | OPC_DPAQ_W_QH_DSP,
870 OPC_DPAQ_SA_L_PW = (0x0C << 6) | OPC_DPAQ_W_QH_DSP,
871 OPC_DPAU_H_OBL = (0x03 << 6) | OPC_DPAQ_W_QH_DSP,
872 OPC_DPAU_H_OBR = (0x07 << 6) | OPC_DPAQ_W_QH_DSP,
873 OPC_DPS_W_QH = (0x01 << 6) | OPC_DPAQ_W_QH_DSP,
874 OPC_DPSQ_S_W_QH = (0x05 << 6) | OPC_DPAQ_W_QH_DSP,
875 OPC_DPSQ_SA_L_PW = (0x0D << 6) | OPC_DPAQ_W_QH_DSP,
876 OPC_DPSU_H_OBL = (0x0B << 6) | OPC_DPAQ_W_QH_DSP,
877 OPC_DPSU_H_OBR = (0x0F << 6) | OPC_DPAQ_W_QH_DSP,
878 OPC_MAQ_S_L_PWL = (0x1C << 6) | OPC_DPAQ_W_QH_DSP,
879 OPC_MAQ_S_L_PWR = (0x1E << 6) | OPC_DPAQ_W_QH_DSP,
880 OPC_MAQ_S_W_QHLL = (0x14 << 6) | OPC_DPAQ_W_QH_DSP,
881 OPC_MAQ_SA_W_QHLL = (0x10 << 6) | OPC_DPAQ_W_QH_DSP,
882 OPC_MAQ_S_W_QHLR = (0x15 << 6) | OPC_DPAQ_W_QH_DSP,
883 OPC_MAQ_SA_W_QHLR = (0x11 << 6) | OPC_DPAQ_W_QH_DSP,
884 OPC_MAQ_S_W_QHRL = (0x16 << 6) | OPC_DPAQ_W_QH_DSP,
885 OPC_MAQ_SA_W_QHRL = (0x12 << 6) | OPC_DPAQ_W_QH_DSP,
886 OPC_MAQ_S_W_QHRR = (0x17 << 6) | OPC_DPAQ_W_QH_DSP,
887 OPC_MAQ_SA_W_QHRR = (0x13 << 6) | OPC_DPAQ_W_QH_DSP,
888 OPC_MULSAQ_S_L_PW = (0x0E << 6) | OPC_DPAQ_W_QH_DSP,
889 OPC_MULSAQ_S_W_QH = (0x06 << 6) | OPC_DPAQ_W_QH_DSP,
890 };
891
892 #define MASK_SHLL_OB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
893 enum {
894 /* MIPS DSP GPR-Based Shift Sub-class */
895 OPC_SHLL_PW = (0x10 << 6) | OPC_SHLL_OB_DSP,
896 OPC_SHLL_S_PW = (0x14 << 6) | OPC_SHLL_OB_DSP,
897 OPC_SHLLV_OB = (0x02 << 6) | OPC_SHLL_OB_DSP,
898 OPC_SHLLV_PW = (0x12 << 6) | OPC_SHLL_OB_DSP,
899 OPC_SHLLV_S_PW = (0x16 << 6) | OPC_SHLL_OB_DSP,
900 OPC_SHLLV_QH = (0x0A << 6) | OPC_SHLL_OB_DSP,
901 OPC_SHLLV_S_QH = (0x0E << 6) | OPC_SHLL_OB_DSP,
902 OPC_SHRA_PW = (0x11 << 6) | OPC_SHLL_OB_DSP,
903 OPC_SHRA_R_PW = (0x15 << 6) | OPC_SHLL_OB_DSP,
904 OPC_SHRAV_OB = (0x06 << 6) | OPC_SHLL_OB_DSP,
905 OPC_SHRAV_R_OB = (0x07 << 6) | OPC_SHLL_OB_DSP,
906 OPC_SHRAV_PW = (0x13 << 6) | OPC_SHLL_OB_DSP,
907 OPC_SHRAV_R_PW = (0x17 << 6) | OPC_SHLL_OB_DSP,
908 OPC_SHRAV_QH = (0x0B << 6) | OPC_SHLL_OB_DSP,
909 OPC_SHRAV_R_QH = (0x0F << 6) | OPC_SHLL_OB_DSP,
910 OPC_SHRLV_OB = (0x03 << 6) | OPC_SHLL_OB_DSP,
911 OPC_SHRLV_QH = (0x1B << 6) | OPC_SHLL_OB_DSP,
912 OPC_SHLL_OB = (0x00 << 6) | OPC_SHLL_OB_DSP,
913 OPC_SHLL_QH = (0x08 << 6) | OPC_SHLL_OB_DSP,
914 OPC_SHLL_S_QH = (0x0C << 6) | OPC_SHLL_OB_DSP,
915 OPC_SHRA_OB = (0x04 << 6) | OPC_SHLL_OB_DSP,
916 OPC_SHRA_R_OB = (0x05 << 6) | OPC_SHLL_OB_DSP,
917 OPC_SHRA_QH = (0x09 << 6) | OPC_SHLL_OB_DSP,
918 OPC_SHRA_R_QH = (0x0D << 6) | OPC_SHLL_OB_DSP,
919 OPC_SHRL_OB = (0x01 << 6) | OPC_SHLL_OB_DSP,
920 OPC_SHRL_QH = (0x19 << 6) | OPC_SHLL_OB_DSP,
921 };
922
923 /* Coprocessor 0 (rs field) */
924 #define MASK_CP0(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 21)))
925
926 enum {
927 OPC_MFC0 = (0x00 << 21) | OPC_CP0,
928 OPC_DMFC0 = (0x01 << 21) | OPC_CP0,
929 OPC_MFHC0 = (0x02 << 21) | OPC_CP0,
930 OPC_MTC0 = (0x04 << 21) | OPC_CP0,
931 OPC_DMTC0 = (0x05 << 21) | OPC_CP0,
932 OPC_MTHC0 = (0x06 << 21) | OPC_CP0,
933 OPC_MFTR = (0x08 << 21) | OPC_CP0,
934 OPC_RDPGPR = (0x0A << 21) | OPC_CP0,
935 OPC_MFMC0 = (0x0B << 21) | OPC_CP0,
936 OPC_MTTR = (0x0C << 21) | OPC_CP0,
937 OPC_WRPGPR = (0x0E << 21) | OPC_CP0,
938 OPC_C0 = (0x10 << 21) | OPC_CP0,
939 OPC_C0_1 = (0x11 << 21) | OPC_CP0,
940 OPC_C0_2 = (0x12 << 21) | OPC_CP0,
941 OPC_C0_3 = (0x13 << 21) | OPC_CP0,
942 OPC_C0_4 = (0x14 << 21) | OPC_CP0,
943 OPC_C0_5 = (0x15 << 21) | OPC_CP0,
944 OPC_C0_6 = (0x16 << 21) | OPC_CP0,
945 OPC_C0_7 = (0x17 << 21) | OPC_CP0,
946 OPC_C0_8 = (0x18 << 21) | OPC_CP0,
947 OPC_C0_9 = (0x19 << 21) | OPC_CP0,
948 OPC_C0_A = (0x1A << 21) | OPC_CP0,
949 OPC_C0_B = (0x1B << 21) | OPC_CP0,
950 OPC_C0_C = (0x1C << 21) | OPC_CP0,
951 OPC_C0_D = (0x1D << 21) | OPC_CP0,
952 OPC_C0_E = (0x1E << 21) | OPC_CP0,
953 OPC_C0_F = (0x1F << 21) | OPC_CP0,
954 };
955
956 /* MFMC0 opcodes */
957 #define MASK_MFMC0(op) (MASK_CP0(op) | (op & 0xFFFF))
958
959 enum {
960 OPC_DMT = 0x01 | (0 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0,
961 OPC_EMT = 0x01 | (1 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0,
962 OPC_DVPE = 0x01 | (0 << 5) | OPC_MFMC0,
963 OPC_EVPE = 0x01 | (1 << 5) | OPC_MFMC0,
964 OPC_DI = (0 << 5) | (0x0C << 11) | OPC_MFMC0,
965 OPC_EI = (1 << 5) | (0x0C << 11) | OPC_MFMC0,
966 OPC_DVP = 0x04 | (0 << 3) | (1 << 5) | (0 << 11) | OPC_MFMC0,
967 OPC_EVP = 0x04 | (0 << 3) | (0 << 5) | (0 << 11) | OPC_MFMC0,
968 };
969
970 /* Coprocessor 0 (with rs == C0) */
971 #define MASK_C0(op) (MASK_CP0(op) | (op & 0x3F))
972
973 enum {
974 OPC_TLBR = 0x01 | OPC_C0,
975 OPC_TLBWI = 0x02 | OPC_C0,
976 OPC_TLBINV = 0x03 | OPC_C0,
977 OPC_TLBINVF = 0x04 | OPC_C0,
978 OPC_TLBWR = 0x06 | OPC_C0,
979 OPC_TLBP = 0x08 | OPC_C0,
980 OPC_RFE = 0x10 | OPC_C0,
981 OPC_ERET = 0x18 | OPC_C0,
982 OPC_DERET = 0x1F | OPC_C0,
983 OPC_WAIT = 0x20 | OPC_C0,
984 };
985
986 #define MASK_CP2(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 21)))
987
988 enum {
989 OPC_MFC2 = (0x00 << 21) | OPC_CP2,
990 OPC_DMFC2 = (0x01 << 21) | OPC_CP2,
991 OPC_CFC2 = (0x02 << 21) | OPC_CP2,
992 OPC_MFHC2 = (0x03 << 21) | OPC_CP2,
993 OPC_MTC2 = (0x04 << 21) | OPC_CP2,
994 OPC_DMTC2 = (0x05 << 21) | OPC_CP2,
995 OPC_CTC2 = (0x06 << 21) | OPC_CP2,
996 OPC_MTHC2 = (0x07 << 21) | OPC_CP2,
997 OPC_BC2 = (0x08 << 21) | OPC_CP2,
998 OPC_BC2EQZ = (0x09 << 21) | OPC_CP2,
999 OPC_BC2NEZ = (0x0D << 21) | OPC_CP2,
1000 };
1001
1002 #define MASK_LMMI(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 21)) | (op & 0x1F))
1003
1004 enum {
1005 OPC_PADDSH = (24 << 21) | (0x00) | OPC_CP2,
1006 OPC_PADDUSH = (25 << 21) | (0x00) | OPC_CP2,
1007 OPC_PADDH = (26 << 21) | (0x00) | OPC_CP2,
1008 OPC_PADDW = (27 << 21) | (0x00) | OPC_CP2,
1009 OPC_PADDSB = (28 << 21) | (0x00) | OPC_CP2,
1010 OPC_PADDUSB = (29 << 21) | (0x00) | OPC_CP2,
1011 OPC_PADDB = (30 << 21) | (0x00) | OPC_CP2,
1012 OPC_PADDD = (31 << 21) | (0x00) | OPC_CP2,
1013
1014 OPC_PSUBSH = (24 << 21) | (0x01) | OPC_CP2,
1015 OPC_PSUBUSH = (25 << 21) | (0x01) | OPC_CP2,
1016 OPC_PSUBH = (26 << 21) | (0x01) | OPC_CP2,
1017 OPC_PSUBW = (27 << 21) | (0x01) | OPC_CP2,
1018 OPC_PSUBSB = (28 << 21) | (0x01) | OPC_CP2,
1019 OPC_PSUBUSB = (29 << 21) | (0x01) | OPC_CP2,
1020 OPC_PSUBB = (30 << 21) | (0x01) | OPC_CP2,
1021 OPC_PSUBD = (31 << 21) | (0x01) | OPC_CP2,
1022
1023 OPC_PSHUFH = (24 << 21) | (0x02) | OPC_CP2,
1024 OPC_PACKSSWH = (25 << 21) | (0x02) | OPC_CP2,
1025 OPC_PACKSSHB = (26 << 21) | (0x02) | OPC_CP2,
1026 OPC_PACKUSHB = (27 << 21) | (0x02) | OPC_CP2,
1027 OPC_XOR_CP2 = (28 << 21) | (0x02) | OPC_CP2,
1028 OPC_NOR_CP2 = (29 << 21) | (0x02) | OPC_CP2,
1029 OPC_AND_CP2 = (30 << 21) | (0x02) | OPC_CP2,
1030 OPC_PANDN = (31 << 21) | (0x02) | OPC_CP2,
1031
1032 OPC_PUNPCKLHW = (24 << 21) | (0x03) | OPC_CP2,
1033 OPC_PUNPCKHHW = (25 << 21) | (0x03) | OPC_CP2,
1034 OPC_PUNPCKLBH = (26 << 21) | (0x03) | OPC_CP2,
1035 OPC_PUNPCKHBH = (27 << 21) | (0x03) | OPC_CP2,
1036 OPC_PINSRH_0 = (28 << 21) | (0x03) | OPC_CP2,
1037 OPC_PINSRH_1 = (29 << 21) | (0x03) | OPC_CP2,
1038 OPC_PINSRH_2 = (30 << 21) | (0x03) | OPC_CP2,
1039 OPC_PINSRH_3 = (31 << 21) | (0x03) | OPC_CP2,
1040
1041 OPC_PAVGH = (24 << 21) | (0x08) | OPC_CP2,
1042 OPC_PAVGB = (25 << 21) | (0x08) | OPC_CP2,
1043 OPC_PMAXSH = (26 << 21) | (0x08) | OPC_CP2,
1044 OPC_PMINSH = (27 << 21) | (0x08) | OPC_CP2,
1045 OPC_PMAXUB = (28 << 21) | (0x08) | OPC_CP2,
1046 OPC_PMINUB = (29 << 21) | (0x08) | OPC_CP2,
1047
1048 OPC_PCMPEQW = (24 << 21) | (0x09) | OPC_CP2,
1049 OPC_PCMPGTW = (25 << 21) | (0x09) | OPC_CP2,
1050 OPC_PCMPEQH = (26 << 21) | (0x09) | OPC_CP2,
1051 OPC_PCMPGTH = (27 << 21) | (0x09) | OPC_CP2,
1052 OPC_PCMPEQB = (28 << 21) | (0x09) | OPC_CP2,
1053 OPC_PCMPGTB = (29 << 21) | (0x09) | OPC_CP2,
1054
1055 OPC_PSLLW = (24 << 21) | (0x0A) | OPC_CP2,
1056 OPC_PSLLH = (25 << 21) | (0x0A) | OPC_CP2,
1057 OPC_PMULLH = (26 << 21) | (0x0A) | OPC_CP2,
1058 OPC_PMULHH = (27 << 21) | (0x0A) | OPC_CP2,
1059 OPC_PMULUW = (28 << 21) | (0x0A) | OPC_CP2,
1060 OPC_PMULHUH = (29 << 21) | (0x0A) | OPC_CP2,
1061
1062 OPC_PSRLW = (24 << 21) | (0x0B) | OPC_CP2,
1063 OPC_PSRLH = (25 << 21) | (0x0B) | OPC_CP2,
1064 OPC_PSRAW = (26 << 21) | (0x0B) | OPC_CP2,
1065 OPC_PSRAH = (27 << 21) | (0x0B) | OPC_CP2,
1066 OPC_PUNPCKLWD = (28 << 21) | (0x0B) | OPC_CP2,
1067 OPC_PUNPCKHWD = (29 << 21) | (0x0B) | OPC_CP2,
1068
1069 OPC_ADDU_CP2 = (24 << 21) | (0x0C) | OPC_CP2,
1070 OPC_OR_CP2 = (25 << 21) | (0x0C) | OPC_CP2,
1071 OPC_ADD_CP2 = (26 << 21) | (0x0C) | OPC_CP2,
1072 OPC_DADD_CP2 = (27 << 21) | (0x0C) | OPC_CP2,
1073 OPC_SEQU_CP2 = (28 << 21) | (0x0C) | OPC_CP2,
1074 OPC_SEQ_CP2 = (29 << 21) | (0x0C) | OPC_CP2,
1075
1076 OPC_SUBU_CP2 = (24 << 21) | (0x0D) | OPC_CP2,
1077 OPC_PASUBUB = (25 << 21) | (0x0D) | OPC_CP2,
1078 OPC_SUB_CP2 = (26 << 21) | (0x0D) | OPC_CP2,
1079 OPC_DSUB_CP2 = (27 << 21) | (0x0D) | OPC_CP2,
1080 OPC_SLTU_CP2 = (28 << 21) | (0x0D) | OPC_CP2,
1081 OPC_SLT_CP2 = (29 << 21) | (0x0D) | OPC_CP2,
1082
1083 OPC_SLL_CP2 = (24 << 21) | (0x0E) | OPC_CP2,
1084 OPC_DSLL_CP2 = (25 << 21) | (0x0E) | OPC_CP2,
1085 OPC_PEXTRH = (26 << 21) | (0x0E) | OPC_CP2,
1086 OPC_PMADDHW = (27 << 21) | (0x0E) | OPC_CP2,
1087 OPC_SLEU_CP2 = (28 << 21) | (0x0E) | OPC_CP2,
1088 OPC_SLE_CP2 = (29 << 21) | (0x0E) | OPC_CP2,
1089
1090 OPC_SRL_CP2 = (24 << 21) | (0x0F) | OPC_CP2,
1091 OPC_DSRL_CP2 = (25 << 21) | (0x0F) | OPC_CP2,
1092 OPC_SRA_CP2 = (26 << 21) | (0x0F) | OPC_CP2,
1093 OPC_DSRA_CP2 = (27 << 21) | (0x0F) | OPC_CP2,
1094 OPC_BIADD = (28 << 21) | (0x0F) | OPC_CP2,
1095 OPC_PMOVMSKB = (29 << 21) | (0x0F) | OPC_CP2,
1096 };
1097
1098
1099 #define MASK_CP3(op) (MASK_OP_MAJOR(op) | (op & 0x3F))
1100
1101 enum {
1102 OPC_LWXC1 = 0x00 | OPC_CP3,
1103 OPC_LDXC1 = 0x01 | OPC_CP3,
1104 OPC_LUXC1 = 0x05 | OPC_CP3,
1105 OPC_SWXC1 = 0x08 | OPC_CP3,
1106 OPC_SDXC1 = 0x09 | OPC_CP3,
1107 OPC_SUXC1 = 0x0D | OPC_CP3,
1108 OPC_PREFX = 0x0F | OPC_CP3,
1109 OPC_ALNV_PS = 0x1E | OPC_CP3,
1110 OPC_MADD_S = 0x20 | OPC_CP3,
1111 OPC_MADD_D = 0x21 | OPC_CP3,
1112 OPC_MADD_PS = 0x26 | OPC_CP3,
1113 OPC_MSUB_S = 0x28 | OPC_CP3,
1114 OPC_MSUB_D = 0x29 | OPC_CP3,
1115 OPC_MSUB_PS = 0x2E | OPC_CP3,
1116 OPC_NMADD_S = 0x30 | OPC_CP3,
1117 OPC_NMADD_D = 0x31 | OPC_CP3,
1118 OPC_NMADD_PS = 0x36 | OPC_CP3,
1119 OPC_NMSUB_S = 0x38 | OPC_CP3,
1120 OPC_NMSUB_D = 0x39 | OPC_CP3,
1121 OPC_NMSUB_PS = 0x3E | OPC_CP3,
1122 };
1123
1124 /*
1125 * MMI (MultiMedia Instruction) encodings
1126 * ======================================
1127 *
1128 * MMI instructions encoding table keys:
1129 *
1130 * * This code is reserved for future use. An attempt to execute it
1131 * causes a Reserved Instruction exception.
1132 * % This code indicates an instruction class. The instruction word
1133 * must be further decoded by examining additional tables that show
1134 * the values for other instruction fields.
1135 * # This code is reserved for the unsupported instructions DMULT,
1136 * DMULTU, DDIV, DDIVU, LL, LLD, SC, SCD, LWC2 and SWC2. An attempt
1137 * to execute it causes a Reserved Instruction exception.
1138 *
1139 * MMI instructions encoded by opcode field (MMI, LQ, SQ):
1140 *
1141 * 31 26 0
1142 * +--------+----------------------------------------+
1143 * | opcode | |
1144 * +--------+----------------------------------------+
1145 *
1146 * opcode bits 28..26
1147 * bits | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7
1148 * 31..29 | 000 | 001 | 010 | 011 | 100 | 101 | 110 | 111
1149 * -------+-------+-------+-------+-------+-------+-------+-------+-------
1150 * 0 000 |SPECIAL| REGIMM| J | JAL | BEQ | BNE | BLEZ | BGTZ
1151 * 1 001 | ADDI | ADDIU | SLTI | SLTIU | ANDI | ORI | XORI | LUI
1152 * 2 010 | COP0 | COP1 | * | * | BEQL | BNEL | BLEZL | BGTZL
1153 * 3 011 | DADDI | DADDIU| LDL | LDR | MMI% | * | LQ | SQ
1154 * 4 100 | LB | LH | LWL | LW | LBU | LHU | LWR | LWU
1155 * 5 101 | SB | SH | SWL | SW | SDL | SDR | SWR | CACHE
1156 * 6 110 | # | LWC1 | # | PREF | # | LDC1 | # | LD
1157 * 7 111 | # | SWC1 | # | * | # | SDC1 | # | SD
1158 */
1159
1160 enum {
1161 MMI_OPC_CLASS_MMI = 0x1C << 26, /* Same as OPC_SPECIAL2 */
1162 MMI_OPC_SQ = 0x1F << 26, /* Same as OPC_SPECIAL3 */
1163 };
1164
1165 /*
1166 * MMI instructions with opcode field = MMI:
1167 *
1168 * 31 26 5 0
1169 * +--------+-------------------------------+--------+
1170 * | MMI | |function|
1171 * +--------+-------------------------------+--------+
1172 *
1173 * function bits 2..0
1174 * bits | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7
1175 * 5..3 | 000 | 001 | 010 | 011 | 100 | 101 | 110 | 111
1176 * -------+-------+-------+-------+-------+-------+-------+-------+-------
1177 * 0 000 | MADD | MADDU | * | * | PLZCW | * | * | *
1178 * 1 001 | MMI0% | MMI2% | * | * | * | * | * | *
1179 * 2 010 | MFHI1 | MTHI1 | MFLO1 | MTLO1 | * | * | * | *
1180 * 3 011 | MULT1 | MULTU1| DIV1 | DIVU1 | * | * | * | *
1181 * 4 100 | MADD1 | MADDU1| * | * | * | * | * | *
1182 * 5 101 | MMI1% | MMI3% | * | * | * | * | * | *
1183 * 6 110 | PMFHL | PMTHL | * | * | PSLLH | * | PSRLH | PSRAH
1184 * 7 111 | * | * | * | * | PSLLW | * | PSRLW | PSRAW
1185 */
1186
1187 #define MASK_MMI(op) (MASK_OP_MAJOR(op) | ((op) & 0x3F))
1188 enum {
1189 MMI_OPC_MADD = 0x00 | MMI_OPC_CLASS_MMI, /* Same as OPC_MADD */
1190 MMI_OPC_MADDU = 0x01 | MMI_OPC_CLASS_MMI, /* Same as OPC_MADDU */
1191 MMI_OPC_MULT1 = 0x18 | MMI_OPC_CLASS_MMI, /* Same minor as OPC_MULT */
1192 MMI_OPC_MULTU1 = 0x19 | MMI_OPC_CLASS_MMI, /* Same min. as OPC_MULTU */
1193 MMI_OPC_DIV1 = 0x1A | MMI_OPC_CLASS_MMI, /* Same minor as OPC_DIV */
1194 MMI_OPC_DIVU1 = 0x1B | MMI_OPC_CLASS_MMI, /* Same minor as OPC_DIVU */
1195 MMI_OPC_MADD1 = 0x20 | MMI_OPC_CLASS_MMI,
1196 MMI_OPC_MADDU1 = 0x21 | MMI_OPC_CLASS_MMI,
1197 };
1198
1199 /* global register indices */
1200 TCGv cpu_gpr[32], cpu_PC;
1201 /*
1202 * For CPUs using 128-bit GPR registers, we put the lower halves in cpu_gpr[])
1203 * and the upper halves in cpu_gpr_hi[].
1204 */
1205 TCGv_i64 cpu_gpr_hi[32];
1206 TCGv cpu_HI[MIPS_DSP_ACC], cpu_LO[MIPS_DSP_ACC];
1207 static TCGv cpu_dspctrl, btarget;
1208 TCGv bcond;
1209 static TCGv cpu_lladdr, cpu_llval;
1210 static TCGv_i32 hflags;
1211 TCGv_i32 fpu_fcr0, fpu_fcr31;
1212 TCGv_i64 fpu_f64[32];
1213
1214 #include "exec/gen-icount.h"
1215
1216 #define DISAS_STOP DISAS_TARGET_0
1217 #define DISAS_EXIT DISAS_TARGET_1
1218
1219 static const char regnames_HI[][4] = {
1220 "HI0", "HI1", "HI2", "HI3",
1221 };
1222
1223 static const char regnames_LO[][4] = {
1224 "LO0", "LO1", "LO2", "LO3",
1225 };
1226
1227 /* General purpose registers moves. */
1228 void gen_load_gpr(TCGv t, int reg)
1229 {
1230 if (reg == 0) {
1231 tcg_gen_movi_tl(t, 0);
1232 } else {
1233 tcg_gen_mov_tl(t, cpu_gpr[reg]);
1234 }
1235 }
1236
1237 void gen_store_gpr(TCGv t, int reg)
1238 {
1239 if (reg != 0) {
1240 tcg_gen_mov_tl(cpu_gpr[reg], t);
1241 }
1242 }
1243
1244 #if defined(TARGET_MIPS64)
1245 void gen_load_gpr_hi(TCGv_i64 t, int reg)
1246 {
1247 if (reg == 0) {
1248 tcg_gen_movi_i64(t, 0);
1249 } else {
1250 tcg_gen_mov_i64(t, cpu_gpr_hi[reg]);
1251 }
1252 }
1253
1254 void gen_store_gpr_hi(TCGv_i64 t, int reg)
1255 {
1256 if (reg != 0) {
1257 tcg_gen_mov_i64(cpu_gpr_hi[reg], t);
1258 }
1259 }
1260 #endif /* TARGET_MIPS64 */
1261
1262 /* Moves to/from shadow registers. */
1263 static inline void gen_load_srsgpr(int from, int to)
1264 {
1265 TCGv t0 = tcg_temp_new();
1266
1267 if (from == 0) {
1268 tcg_gen_movi_tl(t0, 0);
1269 } else {
1270 TCGv_i32 t2 = tcg_temp_new_i32();
1271 TCGv_ptr addr = tcg_temp_new_ptr();
1272
1273 tcg_gen_ld_i32(t2, cpu_env, offsetof(CPUMIPSState, CP0_SRSCtl));
1274 tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS);
1275 tcg_gen_andi_i32(t2, t2, 0xf);
1276 tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32);
1277 tcg_gen_ext_i32_ptr(addr, t2);
1278 tcg_gen_add_ptr(addr, cpu_env, addr);
1279
1280 tcg_gen_ld_tl(t0, addr, sizeof(target_ulong) * from);
1281 tcg_temp_free_ptr(addr);
1282 tcg_temp_free_i32(t2);
1283 }
1284 gen_store_gpr(t0, to);
1285 tcg_temp_free(t0);
1286 }
1287
1288 static inline void gen_store_srsgpr(int from, int to)
1289 {
1290 if (to != 0) {
1291 TCGv t0 = tcg_temp_new();
1292 TCGv_i32 t2 = tcg_temp_new_i32();
1293 TCGv_ptr addr = tcg_temp_new_ptr();
1294
1295 gen_load_gpr(t0, from);
1296 tcg_gen_ld_i32(t2, cpu_env, offsetof(CPUMIPSState, CP0_SRSCtl));
1297 tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS);
1298 tcg_gen_andi_i32(t2, t2, 0xf);
1299 tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32);
1300 tcg_gen_ext_i32_ptr(addr, t2);
1301 tcg_gen_add_ptr(addr, cpu_env, addr);
1302
1303 tcg_gen_st_tl(t0, addr, sizeof(target_ulong) * to);
1304 tcg_temp_free_ptr(addr);
1305 tcg_temp_free_i32(t2);
1306 tcg_temp_free(t0);
1307 }
1308 }
1309
1310 /* Tests */
1311 static inline void gen_save_pc(target_ulong pc)
1312 {
1313 tcg_gen_movi_tl(cpu_PC, pc);
1314 }
1315
1316 static inline void save_cpu_state(DisasContext *ctx, int do_save_pc)
1317 {
1318 LOG_DISAS("hflags %08x saved %08x\n", ctx->hflags, ctx->saved_hflags);
1319 if (do_save_pc && ctx->base.pc_next != ctx->saved_pc) {
1320 gen_save_pc(ctx->base.pc_next);
1321 ctx->saved_pc = ctx->base.pc_next;
1322 }
1323 if (ctx->hflags != ctx->saved_hflags) {
1324 tcg_gen_movi_i32(hflags, ctx->hflags);
1325 ctx->saved_hflags = ctx->hflags;
1326 switch (ctx->hflags & MIPS_HFLAG_BMASK_BASE) {
1327 case MIPS_HFLAG_BR:
1328 break;
1329 case MIPS_HFLAG_BC:
1330 case MIPS_HFLAG_BL:
1331 case MIPS_HFLAG_B:
1332 tcg_gen_movi_tl(btarget, ctx->btarget);
1333 break;
1334 }
1335 }
1336 }
1337
1338 static inline void restore_cpu_state(CPUMIPSState *env, DisasContext *ctx)
1339 {
1340 ctx->saved_hflags = ctx->hflags;
1341 switch (ctx->hflags & MIPS_HFLAG_BMASK_BASE) {
1342 case MIPS_HFLAG_BR:
1343 break;
1344 case MIPS_HFLAG_BC:
1345 case MIPS_HFLAG_BL:
1346 case MIPS_HFLAG_B:
1347 ctx->btarget = env->btarget;
1348 break;
1349 }
1350 }
1351
1352 void generate_exception_err(DisasContext *ctx, int excp, int err)
1353 {
1354 save_cpu_state(ctx, 1);
1355 gen_helper_raise_exception_err(cpu_env, tcg_constant_i32(excp),
1356 tcg_constant_i32(err));
1357 ctx->base.is_jmp = DISAS_NORETURN;
1358 }
1359
1360 void generate_exception(DisasContext *ctx, int excp)
1361 {
1362 gen_helper_raise_exception(cpu_env, tcg_constant_i32(excp));
1363 }
1364
1365 void generate_exception_end(DisasContext *ctx, int excp)
1366 {
1367 generate_exception_err(ctx, excp, 0);
1368 }
1369
1370 void gen_reserved_instruction(DisasContext *ctx)
1371 {
1372 generate_exception_end(ctx, EXCP_RI);
1373 }
1374
1375 /* Floating point register moves. */
1376 void gen_load_fpr32(DisasContext *ctx, TCGv_i32 t, int reg)
1377 {
1378 if (ctx->hflags & MIPS_HFLAG_FRE) {
1379 generate_exception(ctx, EXCP_RI);
1380 }
1381 tcg_gen_extrl_i64_i32(t, fpu_f64[reg]);
1382 }
1383
1384 void gen_store_fpr32(DisasContext *ctx, TCGv_i32 t, int reg)
1385 {
1386 TCGv_i64 t64;
1387 if (ctx->hflags & MIPS_HFLAG_FRE) {
1388 generate_exception(ctx, EXCP_RI);
1389 }
1390 t64 = tcg_temp_new_i64();
1391 tcg_gen_extu_i32_i64(t64, t);
1392 tcg_gen_deposit_i64(fpu_f64[reg], fpu_f64[reg], t64, 0, 32);
1393 tcg_temp_free_i64(t64);
1394 }
1395
1396 static void gen_load_fpr32h(DisasContext *ctx, TCGv_i32 t, int reg)
1397 {
1398 if (ctx->hflags & MIPS_HFLAG_F64) {
1399 tcg_gen_extrh_i64_i32(t, fpu_f64[reg]);
1400 } else {
1401 gen_load_fpr32(ctx, t, reg | 1);
1402 }
1403 }
1404
1405 static void gen_store_fpr32h(DisasContext *ctx, TCGv_i32 t, int reg)
1406 {
1407 if (ctx->hflags & MIPS_HFLAG_F64) {
1408 TCGv_i64 t64 = tcg_temp_new_i64();
1409 tcg_gen_extu_i32_i64(t64, t);
1410 tcg_gen_deposit_i64(fpu_f64[reg], fpu_f64[reg], t64, 32, 32);
1411 tcg_temp_free_i64(t64);
1412 } else {
1413 gen_store_fpr32(ctx, t, reg | 1);
1414 }
1415 }
1416
1417 void gen_load_fpr64(DisasContext *ctx, TCGv_i64 t, int reg)
1418 {
1419 if (ctx->hflags & MIPS_HFLAG_F64) {
1420 tcg_gen_mov_i64(t, fpu_f64[reg]);
1421 } else {
1422 tcg_gen_concat32_i64(t, fpu_f64[reg & ~1], fpu_f64[reg | 1]);
1423 }
1424 }
1425
1426 void gen_store_fpr64(DisasContext *ctx, TCGv_i64 t, int reg)
1427 {
1428 if (ctx->hflags & MIPS_HFLAG_F64) {
1429 tcg_gen_mov_i64(fpu_f64[reg], t);
1430 } else {
1431 TCGv_i64 t0;
1432 tcg_gen_deposit_i64(fpu_f64[reg & ~1], fpu_f64[reg & ~1], t, 0, 32);
1433 t0 = tcg_temp_new_i64();
1434 tcg_gen_shri_i64(t0, t, 32);
1435 tcg_gen_deposit_i64(fpu_f64[reg | 1], fpu_f64[reg | 1], t0, 0, 32);
1436 tcg_temp_free_i64(t0);
1437 }
1438 }
1439
1440 int get_fp_bit(int cc)
1441 {
1442 if (cc) {
1443 return 24 + cc;
1444 } else {
1445 return 23;
1446 }
1447 }
1448
1449 /* Addresses computation */
1450 void gen_op_addr_add(DisasContext *ctx, TCGv ret, TCGv arg0, TCGv arg1)
1451 {
1452 tcg_gen_add_tl(ret, arg0, arg1);
1453
1454 #if defined(TARGET_MIPS64)
1455 if (ctx->hflags & MIPS_HFLAG_AWRAP) {
1456 tcg_gen_ext32s_i64(ret, ret);
1457 }
1458 #endif
1459 }
1460
1461 static inline void gen_op_addr_addi(DisasContext *ctx, TCGv ret, TCGv base,
1462 target_long ofs)
1463 {
1464 tcg_gen_addi_tl(ret, base, ofs);
1465
1466 #if defined(TARGET_MIPS64)
1467 if (ctx->hflags & MIPS_HFLAG_AWRAP) {
1468 tcg_gen_ext32s_i64(ret, ret);
1469 }
1470 #endif
1471 }
1472
1473 /* Addresses computation (translation time) */
1474 static target_long addr_add(DisasContext *ctx, target_long base,
1475 target_long offset)
1476 {
1477 target_long sum = base + offset;
1478
1479 #if defined(TARGET_MIPS64)
1480 if (ctx->hflags & MIPS_HFLAG_AWRAP) {
1481 sum = (int32_t)sum;
1482 }
1483 #endif
1484 return sum;
1485 }
1486
1487 /* Sign-extract the low 32-bits to a target_long. */
1488 void gen_move_low32(TCGv ret, TCGv_i64 arg)
1489 {
1490 #if defined(TARGET_MIPS64)
1491 tcg_gen_ext32s_i64(ret, arg);
1492 #else
1493 tcg_gen_extrl_i64_i32(ret, arg);
1494 #endif
1495 }
1496
1497 /* Sign-extract the high 32-bits to a target_long. */
1498 void gen_move_high32(TCGv ret, TCGv_i64 arg)
1499 {
1500 #if defined(TARGET_MIPS64)
1501 tcg_gen_sari_i64(ret, arg, 32);
1502 #else
1503 tcg_gen_extrh_i64_i32(ret, arg);
1504 #endif
1505 }
1506
1507 bool check_cp0_enabled(DisasContext *ctx)
1508 {
1509 if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0))) {
1510 generate_exception_end(ctx, EXCP_CpU);
1511 return false;
1512 }
1513 return true;
1514 }
1515
1516 void check_cp1_enabled(DisasContext *ctx)
1517 {
1518 if (unlikely(!(ctx->hflags & MIPS_HFLAG_FPU))) {
1519 generate_exception_err(ctx, EXCP_CpU, 1);
1520 }
1521 }
1522
1523 /*
1524 * Verify that the processor is running with COP1X instructions enabled.
1525 * This is associated with the nabla symbol in the MIPS32 and MIPS64
1526 * opcode tables.
1527 */
1528 void check_cop1x(DisasContext *ctx)
1529 {
1530 if (unlikely(!(ctx->hflags & MIPS_HFLAG_COP1X))) {
1531 gen_reserved_instruction(ctx);
1532 }
1533 }
1534
1535 /*
1536 * Verify that the processor is running with 64-bit floating-point
1537 * operations enabled.
1538 */
1539 void check_cp1_64bitmode(DisasContext *ctx)
1540 {
1541 if (unlikely(~ctx->hflags & (MIPS_HFLAG_F64 | MIPS_HFLAG_COP1X))) {
1542 gen_reserved_instruction(ctx);
1543 }
1544 }
1545
1546 /*
1547 * Verify if floating point register is valid; an operation is not defined
1548 * if bit 0 of any register specification is set and the FR bit in the
1549 * Status register equals zero, since the register numbers specify an
1550 * even-odd pair of adjacent coprocessor general registers. When the FR bit
1551 * in the Status register equals one, both even and odd register numbers
1552 * are valid. This limitation exists only for 64 bit wide (d,l,ps) registers.
1553 *
1554 * Multiple 64 bit wide registers can be checked by calling
1555 * gen_op_cp1_registers(freg1 | freg2 | ... | fregN);
1556 */
1557 void check_cp1_registers(DisasContext *ctx, int regs)
1558 {
1559 if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1))) {
1560 gen_reserved_instruction(ctx);
1561 }
1562 }
1563
1564 /*
1565 * Verify that the processor is running with DSP instructions enabled.
1566 * This is enabled by CP0 Status register MX(24) bit.
1567 */
1568 static inline void check_dsp(DisasContext *ctx)
1569 {
1570 if (unlikely(!(ctx->hflags & MIPS_HFLAG_DSP))) {
1571 if (ctx->insn_flags & ASE_DSP) {
1572 generate_exception_end(ctx, EXCP_DSPDIS);
1573 } else {
1574 gen_reserved_instruction(ctx);
1575 }
1576 }
1577 }
1578
1579 static inline void check_dsp_r2(DisasContext *ctx)
1580 {
1581 if (unlikely(!(ctx->hflags & MIPS_HFLAG_DSP_R2))) {
1582 if (ctx->insn_flags & ASE_DSP) {
1583 generate_exception_end(ctx, EXCP_DSPDIS);
1584 } else {
1585 gen_reserved_instruction(ctx);
1586 }
1587 }
1588 }
1589
1590 static inline void check_dsp_r3(DisasContext *ctx)
1591 {
1592 if (unlikely(!(ctx->hflags & MIPS_HFLAG_DSP_R3))) {
1593 if (ctx->insn_flags & ASE_DSP) {
1594 generate_exception_end(ctx, EXCP_DSPDIS);
1595 } else {
1596 gen_reserved_instruction(ctx);
1597 }
1598 }
1599 }
1600
1601 /*
1602 * This code generates a "reserved instruction" exception if the
1603 * CPU does not support the instruction set corresponding to flags.
1604 */
1605 void check_insn(DisasContext *ctx, uint64_t flags)
1606 {
1607 if (unlikely(!(ctx->insn_flags & flags))) {
1608 gen_reserved_instruction(ctx);
1609 }
1610 }
1611
1612 /*
1613 * This code generates a "reserved instruction" exception if the
1614 * CPU has corresponding flag set which indicates that the instruction
1615 * has been removed.
1616 */
1617 static inline void check_insn_opc_removed(DisasContext *ctx, uint64_t flags)
1618 {
1619 if (unlikely(ctx->insn_flags & flags)) {
1620 gen_reserved_instruction(ctx);
1621 }
1622 }
1623
1624 /*
1625 * The Linux kernel traps certain reserved instruction exceptions to
1626 * emulate the corresponding instructions. QEMU is the kernel in user
1627 * mode, so those traps are emulated by accepting the instructions.
1628 *
1629 * A reserved instruction exception is generated for flagged CPUs if
1630 * QEMU runs in system mode.
1631 */
1632 static inline void check_insn_opc_user_only(DisasContext *ctx, uint64_t flags)
1633 {
1634 #ifndef CONFIG_USER_ONLY
1635 check_insn_opc_removed(ctx, flags);
1636 #endif
1637 }
1638
1639 /*
1640 * This code generates a "reserved instruction" exception if the
1641 * CPU does not support 64-bit paired-single (PS) floating point data type.
1642 */
1643 static inline void check_ps(DisasContext *ctx)
1644 {
1645 if (unlikely(!ctx->ps)) {
1646 generate_exception(ctx, EXCP_RI);
1647 }
1648 check_cp1_64bitmode(ctx);
1649 }
1650
1651 /*
1652 * This code generates a "reserved instruction" exception if cpu is not
1653 * 64-bit or 64-bit instructions are not enabled.
1654 */
1655 void check_mips_64(DisasContext *ctx)
1656 {
1657 if (unlikely((TARGET_LONG_BITS != 64) || !(ctx->hflags & MIPS_HFLAG_64))) {
1658 gen_reserved_instruction(ctx);
1659 }
1660 }
1661
1662 #ifndef CONFIG_USER_ONLY
1663 static inline void check_mvh(DisasContext *ctx)
1664 {
1665 if (unlikely(!ctx->mvh)) {
1666 generate_exception(ctx, EXCP_RI);
1667 }
1668 }
1669 #endif
1670
1671 /*
1672 * This code generates a "reserved instruction" exception if the
1673 * Config5 XNP bit is set.
1674 */
1675 static inline void check_xnp(DisasContext *ctx)
1676 {
1677 if (unlikely(ctx->CP0_Config5 & (1 << CP0C5_XNP))) {
1678 gen_reserved_instruction(ctx);
1679 }
1680 }
1681
1682 #ifndef CONFIG_USER_ONLY
1683 /*
1684 * This code generates a "reserved instruction" exception if the
1685 * Config3 PW bit is NOT set.
1686 */
1687 static inline void check_pw(DisasContext *ctx)
1688 {
1689 if (unlikely(!(ctx->CP0_Config3 & (1 << CP0C3_PW)))) {
1690 gen_reserved_instruction(ctx);
1691 }
1692 }
1693 #endif
1694
1695 /*
1696 * This code generates a "reserved instruction" exception if the
1697 * Config3 MT bit is NOT set.
1698 */
1699 static inline void check_mt(DisasContext *ctx)
1700 {
1701 if (unlikely(!(ctx->CP0_Config3 & (1 << CP0C3_MT)))) {
1702 gen_reserved_instruction(ctx);
1703 }
1704 }
1705
1706 #ifndef CONFIG_USER_ONLY
1707 /*
1708 * This code generates a "coprocessor unusable" exception if CP0 is not
1709 * available, and, if that is not the case, generates a "reserved instruction"
1710 * exception if the Config5 MT bit is NOT set. This is needed for availability
1711 * control of some of MT ASE instructions.
1712 */
1713 static inline void check_cp0_mt(DisasContext *ctx)
1714 {
1715 if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0))) {
1716 generate_exception_end(ctx, EXCP_CpU);
1717 } else {
1718 if (unlikely(!(ctx->CP0_Config3 & (1 << CP0C3_MT)))) {
1719 gen_reserved_instruction(ctx);
1720 }
1721 }
1722 }
1723 #endif
1724
1725 /*
1726 * This code generates a "reserved instruction" exception if the
1727 * Config5 NMS bit is set.
1728 */
1729 static inline void check_nms(DisasContext *ctx)
1730 {
1731 if (unlikely(ctx->CP0_Config5 & (1 << CP0C5_NMS))) {
1732 gen_reserved_instruction(ctx);
1733 }
1734 }
1735
1736 /*
1737 * This code generates a "reserved instruction" exception if the
1738 * Config5 NMS bit is set, and Config1 DL, Config1 IL, Config2 SL,
1739 * Config2 TL, and Config5 L2C are unset.
1740 */
1741 static inline void check_nms_dl_il_sl_tl_l2c(DisasContext *ctx)
1742 {
1743 if (unlikely((ctx->CP0_Config5 & (1 << CP0C5_NMS)) &&
1744 !(ctx->CP0_Config1 & (1 << CP0C1_DL)) &&
1745 !(ctx->CP0_Config1 & (1 << CP0C1_IL)) &&
1746 !(ctx->CP0_Config2 & (1 << CP0C2_SL)) &&
1747 !(ctx->CP0_Config2 & (1 << CP0C2_TL)) &&
1748 !(ctx->CP0_Config5 & (1 << CP0C5_L2C)))) {
1749 gen_reserved_instruction(ctx);
1750 }
1751 }
1752
1753 /*
1754 * This code generates a "reserved instruction" exception if the
1755 * Config5 EVA bit is NOT set.
1756 */
1757 static inline void check_eva(DisasContext *ctx)
1758 {
1759 if (unlikely(!(ctx->CP0_Config5 & (1 << CP0C5_EVA)))) {
1760 gen_reserved_instruction(ctx);
1761 }
1762 }
1763
1764
1765 /*
1766 * Define small wrappers for gen_load_fpr* so that we have a uniform
1767 * calling interface for 32 and 64-bit FPRs. No sense in changing
1768 * all callers for gen_load_fpr32 when we need the CTX parameter for
1769 * this one use.
1770 */
1771 #define gen_ldcmp_fpr32(ctx, x, y) gen_load_fpr32(ctx, x, y)
1772 #define gen_ldcmp_fpr64(ctx, x, y) gen_load_fpr64(ctx, x, y)
1773 #define FOP_CONDS(type, abs, fmt, ifmt, bits) \
1774 static inline void gen_cmp ## type ## _ ## fmt(DisasContext *ctx, int n, \
1775 int ft, int fs, int cc) \
1776 { \
1777 TCGv_i##bits fp0 = tcg_temp_new_i##bits(); \
1778 TCGv_i##bits fp1 = tcg_temp_new_i##bits(); \
1779 switch (ifmt) { \
1780 case FMT_PS: \
1781 check_ps(ctx); \
1782 break; \
1783 case FMT_D: \
1784 if (abs) { \
1785 check_cop1x(ctx); \
1786 } \
1787 check_cp1_registers(ctx, fs | ft); \
1788 break; \
1789 case FMT_S: \
1790 if (abs) { \
1791 check_cop1x(ctx); \
1792 } \
1793 break; \
1794 } \
1795 gen_ldcmp_fpr##bits(ctx, fp0, fs); \
1796 gen_ldcmp_fpr##bits(ctx, fp1, ft); \
1797 switch (n) { \
1798 case 0: \
1799 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _f, fp0, fp1, cc); \
1800 break; \
1801 case 1: \
1802 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _un, fp0, fp1, cc); \
1803 break; \
1804 case 2: \
1805 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _eq, fp0, fp1, cc); \
1806 break; \
1807 case 3: \
1808 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ueq, fp0, fp1, cc); \
1809 break; \
1810 case 4: \
1811 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _olt, fp0, fp1, cc); \
1812 break; \
1813 case 5: \
1814 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ult, fp0, fp1, cc); \
1815 break; \
1816 case 6: \
1817 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ole, fp0, fp1, cc); \
1818 break; \
1819 case 7: \
1820 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ule, fp0, fp1, cc); \
1821 break; \
1822 case 8: \
1823 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _sf, fp0, fp1, cc); \
1824 break; \
1825 case 9: \
1826 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ngle, fp0, fp1, cc); \
1827 break; \
1828 case 10: \
1829 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _seq, fp0, fp1, cc); \
1830 break; \
1831 case 11: \
1832 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ngl, fp0, fp1, cc); \
1833 break; \
1834 case 12: \
1835 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _lt, fp0, fp1, cc); \
1836 break; \
1837 case 13: \
1838 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _nge, fp0, fp1, cc); \
1839 break; \
1840 case 14: \
1841 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _le, fp0, fp1, cc); \
1842 break; \
1843 case 15: \
1844 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ngt, fp0, fp1, cc); \
1845 break; \
1846 default: \
1847 abort(); \
1848 } \
1849 tcg_temp_free_i##bits(fp0); \
1850 tcg_temp_free_i##bits(fp1); \
1851 }
1852
1853 FOP_CONDS(, 0, d, FMT_D, 64)
1854 FOP_CONDS(abs, 1, d, FMT_D, 64)
1855 FOP_CONDS(, 0, s, FMT_S, 32)
1856 FOP_CONDS(abs, 1, s, FMT_S, 32)
1857 FOP_CONDS(, 0, ps, FMT_PS, 64)
1858 FOP_CONDS(abs, 1, ps, FMT_PS, 64)
1859 #undef FOP_CONDS
1860
1861 #define FOP_CONDNS(fmt, ifmt, bits, STORE) \
1862 static inline void gen_r6_cmp_ ## fmt(DisasContext *ctx, int n, \
1863 int ft, int fs, int fd) \
1864 { \
1865 TCGv_i ## bits fp0 = tcg_temp_new_i ## bits(); \
1866 TCGv_i ## bits fp1 = tcg_temp_new_i ## bits(); \
1867 if (ifmt == FMT_D) { \
1868 check_cp1_registers(ctx, fs | ft | fd); \
1869 } \
1870 gen_ldcmp_fpr ## bits(ctx, fp0, fs); \
1871 gen_ldcmp_fpr ## bits(ctx, fp1, ft); \
1872 switch (n) { \
1873 case 0: \
1874 gen_helper_r6_cmp_ ## fmt ## _af(fp0, cpu_env, fp0, fp1); \
1875 break; \
1876 case 1: \
1877 gen_helper_r6_cmp_ ## fmt ## _un(fp0, cpu_env, fp0, fp1); \
1878 break; \
1879 case 2: \
1880 gen_helper_r6_cmp_ ## fmt ## _eq(fp0, cpu_env, fp0, fp1); \
1881 break; \
1882 case 3: \
1883 gen_helper_r6_cmp_ ## fmt ## _ueq(fp0, cpu_env, fp0, fp1); \
1884 break; \
1885 case 4: \
1886 gen_helper_r6_cmp_ ## fmt ## _lt(fp0, cpu_env, fp0, fp1); \
1887 break; \
1888 case 5: \
1889 gen_helper_r6_cmp_ ## fmt ## _ult(fp0, cpu_env, fp0, fp1); \
1890 break; \
1891 case 6: \
1892 gen_helper_r6_cmp_ ## fmt ## _le(fp0, cpu_env, fp0, fp1); \
1893 break; \
1894 case 7: \
1895 gen_helper_r6_cmp_ ## fmt ## _ule(fp0, cpu_env, fp0, fp1); \
1896 break; \
1897 case 8: \
1898 gen_helper_r6_cmp_ ## fmt ## _saf(fp0, cpu_env, fp0, fp1); \
1899 break; \
1900 case 9: \
1901 gen_helper_r6_cmp_ ## fmt ## _sun(fp0, cpu_env, fp0, fp1); \
1902 break; \
1903 case 10: \
1904 gen_helper_r6_cmp_ ## fmt ## _seq(fp0, cpu_env, fp0, fp1); \
1905 break; \
1906 case 11: \
1907 gen_helper_r6_cmp_ ## fmt ## _sueq(fp0, cpu_env, fp0, fp1); \
1908 break; \
1909 case 12: \
1910 gen_helper_r6_cmp_ ## fmt ## _slt(fp0, cpu_env, fp0, fp1); \
1911 break; \
1912 case 13: \
1913 gen_helper_r6_cmp_ ## fmt ## _sult(fp0, cpu_env, fp0, fp1); \
1914 break; \
1915 case 14: \
1916 gen_helper_r6_cmp_ ## fmt ## _sle(fp0, cpu_env, fp0, fp1); \
1917 break; \
1918 case 15: \
1919 gen_helper_r6_cmp_ ## fmt ## _sule(fp0, cpu_env, fp0, fp1); \
1920 break; \
1921 case 17: \
1922 gen_helper_r6_cmp_ ## fmt ## _or(fp0, cpu_env, fp0, fp1); \
1923 break; \
1924 case 18: \
1925 gen_helper_r6_cmp_ ## fmt ## _une(fp0, cpu_env, fp0, fp1); \
1926 break; \
1927 case 19: \
1928 gen_helper_r6_cmp_ ## fmt ## _ne(fp0, cpu_env, fp0, fp1); \
1929 break; \
1930 case 25: \
1931 gen_helper_r6_cmp_ ## fmt ## _sor(fp0, cpu_env, fp0, fp1); \
1932 break; \
1933 case 26: \
1934 gen_helper_r6_cmp_ ## fmt ## _sune(fp0, cpu_env, fp0, fp1); \
1935 break; \
1936 case 27: \
1937 gen_helper_r6_cmp_ ## fmt ## _sne(fp0, cpu_env, fp0, fp1); \
1938 break; \
1939 default: \
1940 abort(); \
1941 } \
1942 STORE; \
1943 tcg_temp_free_i ## bits(fp0); \
1944 tcg_temp_free_i ## bits(fp1); \
1945 }
1946
1947 FOP_CONDNS(d, FMT_D, 64, gen_store_fpr64(ctx, fp0, fd))
1948 FOP_CONDNS(s, FMT_S, 32, gen_store_fpr32(ctx, fp0, fd))
1949 #undef FOP_CONDNS
1950 #undef gen_ldcmp_fpr32
1951 #undef gen_ldcmp_fpr64
1952
1953 /* load/store instructions. */
1954 #ifdef CONFIG_USER_ONLY
1955 #define OP_LD_ATOMIC(insn, fname) \
1956 static inline void op_ld_##insn(TCGv ret, TCGv arg1, int mem_idx, \
1957 DisasContext *ctx) \
1958 { \
1959 TCGv t0 = tcg_temp_new(); \
1960 tcg_gen_mov_tl(t0, arg1); \
1961 tcg_gen_qemu_##fname(ret, arg1, ctx->mem_idx); \
1962 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUMIPSState, lladdr)); \
1963 tcg_gen_st_tl(ret, cpu_env, offsetof(CPUMIPSState, llval)); \
1964 tcg_temp_free(t0); \
1965 }
1966 #else
1967 #define OP_LD_ATOMIC(insn, fname) \
1968 static inline void op_ld_##insn(TCGv ret, TCGv arg1, int mem_idx, \
1969 DisasContext *ctx) \
1970 { \
1971 gen_helper_##insn(ret, cpu_env, arg1, tcg_constant_i32(mem_idx)); \
1972 }
1973 #endif
1974 OP_LD_ATOMIC(ll, ld32s);
1975 #if defined(TARGET_MIPS64)
1976 OP_LD_ATOMIC(lld, ld64);
1977 #endif
1978 #undef OP_LD_ATOMIC
1979
1980 void gen_base_offset_addr(DisasContext *ctx, TCGv addr, int base, int offset)
1981 {
1982 if (base == 0) {
1983 tcg_gen_movi_tl(addr, offset);
1984 } else if (offset == 0) {
1985 gen_load_gpr(addr, base);
1986 } else {
1987 tcg_gen_movi_tl(addr, offset);
1988 gen_op_addr_add(ctx, addr, cpu_gpr[base], addr);
1989 }
1990 }
1991
1992 static target_ulong pc_relative_pc(DisasContext *ctx)
1993 {
1994 target_ulong pc = ctx->base.pc_next;
1995
1996 if (ctx->hflags & MIPS_HFLAG_BMASK) {
1997 int branch_bytes = ctx->hflags & MIPS_HFLAG_BDS16 ? 2 : 4;
1998
1999 pc -= branch_bytes;
2000 }
2001
2002 pc &= ~(target_ulong)3;
2003 return pc;
2004 }
2005
2006 /* Load */
2007 static void gen_ld(DisasContext *ctx, uint32_t opc,
2008 int rt, int base, int offset)
2009 {
2010 TCGv t0, t1, t2;
2011 int mem_idx = ctx->mem_idx;
2012
2013 if (rt == 0 && ctx->insn_flags & (INSN_LOONGSON2E | INSN_LOONGSON2F |
2014 INSN_LOONGSON3A)) {
2015 /*
2016 * Loongson CPU uses a load to zero register for prefetch.
2017 * We emulate it as a NOP. On other CPU we must perform the
2018 * actual memory access.
2019 */
2020 return;
2021 }
2022
2023 t0 = tcg_temp_new();
2024 gen_base_offset_addr(ctx, t0, base, offset);
2025
2026 switch (opc) {
2027 #if defined(TARGET_MIPS64)
2028 case OPC_LWU:
2029 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEUL |
2030 ctx->default_tcg_memop_mask);
2031 gen_store_gpr(t0, rt);
2032 break;
2033 case OPC_LD:
2034 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEQ |
2035 ctx->default_tcg_memop_mask);
2036 gen_store_gpr(t0, rt);
2037 break;
2038 case OPC_LLD:
2039 case R6_OPC_LLD:
2040 op_ld_lld(t0, t0, mem_idx, ctx);
2041 gen_store_gpr(t0, rt);
2042 break;
2043 case OPC_LDL:
2044 t1 = tcg_temp_new();
2045 /*
2046 * Do a byte access to possibly trigger a page
2047 * fault with the unaligned address.
2048 */
2049 tcg_gen_qemu_ld_tl(t1, t0, mem_idx, MO_UB);
2050 tcg_gen_andi_tl(t1, t0, 7);
2051 if (!cpu_is_bigendian(ctx)) {
2052 tcg_gen_xori_tl(t1, t1, 7);
2053 }
2054 tcg_gen_shli_tl(t1, t1, 3);
2055 tcg_gen_andi_tl(t0, t0, ~7);
2056 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEQ);
2057 tcg_gen_shl_tl(t0, t0, t1);
2058 t2 = tcg_const_tl(-1);
2059 tcg_gen_shl_tl(t2, t2, t1);
2060 gen_load_gpr(t1, rt);
2061 tcg_gen_andc_tl(t1, t1, t2);
2062 tcg_temp_free(t2);
2063 tcg_gen_or_tl(t0, t0, t1);
2064 tcg_temp_free(t1);
2065 gen_store_gpr(t0, rt);
2066 break;
2067 case OPC_LDR:
2068 t1 = tcg_temp_new();
2069 /*
2070 * Do a byte access to possibly trigger a page
2071 * fault with the unaligned address.
2072 */
2073 tcg_gen_qemu_ld_tl(t1, t0, mem_idx, MO_UB);
2074 tcg_gen_andi_tl(t1, t0, 7);
2075 if (cpu_is_bigendian(ctx)) {
2076 tcg_gen_xori_tl(t1, t1, 7);
2077 }
2078 tcg_gen_shli_tl(t1, t1, 3);
2079 tcg_gen_andi_tl(t0, t0, ~7);
2080 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEQ);
2081 tcg_gen_shr_tl(t0, t0, t1);
2082 tcg_gen_xori_tl(t1, t1, 63);
2083 t2 = tcg_const_tl(0xfffffffffffffffeull);
2084 tcg_gen_shl_tl(t2, t2, t1);
2085 gen_load_gpr(t1, rt);
2086 tcg_gen_and_tl(t1, t1, t2);
2087 tcg_temp_free(t2);
2088 tcg_gen_or_tl(t0, t0, t1);
2089 tcg_temp_free(t1);
2090 gen_store_gpr(t0, rt);
2091 break;
2092 case OPC_LDPC:
2093 t1 = tcg_const_tl(pc_relative_pc(ctx));
2094 gen_op_addr_add(ctx, t0, t0, t1);
2095 tcg_temp_free(t1);
2096 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEQ);
2097 gen_store_gpr(t0, rt);
2098 break;
2099 #endif
2100 case OPC_LWPC:
2101 t1 = tcg_const_tl(pc_relative_pc(ctx));
2102 gen_op_addr_add(ctx, t0, t0, t1);
2103 tcg_temp_free(t1);
2104 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TESL);
2105 gen_store_gpr(t0, rt);
2106 break;
2107 case OPC_LWE:
2108 mem_idx = MIPS_HFLAG_UM;
2109 /* fall through */
2110 case OPC_LW:
2111 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TESL |
2112 ctx->default_tcg_memop_mask);
2113 gen_store_gpr(t0, rt);
2114 break;
2115 case OPC_LHE:
2116 mem_idx = MIPS_HFLAG_UM;
2117 /* fall through */
2118 case OPC_LH:
2119 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TESW |
2120 ctx->default_tcg_memop_mask);
2121 gen_store_gpr(t0, rt);
2122 break;
2123 case OPC_LHUE:
2124 mem_idx = MIPS_HFLAG_UM;
2125 /* fall through */
2126 case OPC_LHU:
2127 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEUW |
2128 ctx->default_tcg_memop_mask);
2129 gen_store_gpr(t0, rt);
2130 break;
2131 case OPC_LBE:
2132 mem_idx = MIPS_HFLAG_UM;
2133 /* fall through */
2134 case OPC_LB:
2135 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_SB);
2136 gen_store_gpr(t0, rt);
2137 break;
2138 case OPC_LBUE:
2139 mem_idx = MIPS_HFLAG_UM;
2140 /* fall through */
2141 case OPC_LBU:
2142 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_UB);
2143 gen_store_gpr(t0, rt);
2144 break;
2145 case OPC_LWLE:
2146 mem_idx = MIPS_HFLAG_UM;
2147 /* fall through */
2148 case OPC_LWL:
2149 t1 = tcg_temp_new();
2150 /*
2151 * Do a byte access to possibly trigger a page
2152 * fault with the unaligned address.
2153 */
2154 tcg_gen_qemu_ld_tl(t1, t0, mem_idx, MO_UB);
2155 tcg_gen_andi_tl(t1, t0, 3);
2156 if (!cpu_is_bigendian(ctx)) {
2157 tcg_gen_xori_tl(t1, t1, 3);
2158 }
2159 tcg_gen_shli_tl(t1, t1, 3);
2160 tcg_gen_andi_tl(t0, t0, ~3);
2161 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEUL);
2162 tcg_gen_shl_tl(t0, t0, t1);
2163 t2 = tcg_const_tl(-1);
2164 tcg_gen_shl_tl(t2, t2, t1);
2165 gen_load_gpr(t1, rt);
2166 tcg_gen_andc_tl(t1, t1, t2);
2167 tcg_temp_free(t2);
2168 tcg_gen_or_tl(t0, t0, t1);
2169 tcg_temp_free(t1);
2170 tcg_gen_ext32s_tl(t0, t0);
2171 gen_store_gpr(t0, rt);
2172 break;
2173 case OPC_LWRE:
2174 mem_idx = MIPS_HFLAG_UM;
2175 /* fall through */
2176 case OPC_LWR:
2177 t1 = tcg_temp_new();
2178 /*
2179 * Do a byte access to possibly trigger a page
2180 * fault with the unaligned address.
2181 */
2182 tcg_gen_qemu_ld_tl(t1, t0, mem_idx, MO_UB);
2183 tcg_gen_andi_tl(t1, t0, 3);
2184 if (cpu_is_bigendian(ctx)) {
2185 tcg_gen_xori_tl(t1, t1, 3);
2186 }
2187 tcg_gen_shli_tl(t1, t1, 3);
2188 tcg_gen_andi_tl(t0, t0, ~3);
2189 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEUL);
2190 tcg_gen_shr_tl(t0, t0, t1);
2191 tcg_gen_xori_tl(t1, t1, 31);
2192 t2 = tcg_const_tl(0xfffffffeull);
2193 tcg_gen_shl_tl(t2, t2, t1);
2194 gen_load_gpr(t1, rt);
2195 tcg_gen_and_tl(t1, t1, t2);
2196 tcg_temp_free(t2);
2197 tcg_gen_or_tl(t0, t0, t1);
2198 tcg_temp_free(t1);
2199 tcg_gen_ext32s_tl(t0, t0);
2200 gen_store_gpr(t0, rt);
2201 break;
2202 case OPC_LLE:
2203 mem_idx = MIPS_HFLAG_UM;
2204 /* fall through */
2205 case OPC_LL:
2206 case R6_OPC_LL:
2207 op_ld_ll(t0, t0, mem_idx, ctx);
2208 gen_store_gpr(t0, rt);
2209 break;
2210 }
2211 tcg_temp_free(t0);
2212 }
2213
2214 /* Store */
2215 static void gen_st(DisasContext *ctx, uint32_t opc, int rt,
2216 int base, int offset)
2217 {
2218 TCGv t0 = tcg_temp_new();
2219 TCGv t1 = tcg_temp_new();
2220 int mem_idx = ctx->mem_idx;
2221
2222 gen_base_offset_addr(ctx, t0, base, offset);
2223 gen_load_gpr(t1, rt);
2224 switch (opc) {
2225 #if defined(TARGET_MIPS64)
2226 case OPC_SD:
2227 tcg_gen_qemu_st_tl(t1, t0, mem_idx, MO_TEQ |
2228 ctx->default_tcg_memop_mask);
2229 break;
2230 case OPC_SDL:
2231 gen_helper_0e2i(sdl, t1, t0, mem_idx);
2232 break;
2233 case OPC_SDR:
2234 gen_helper_0e2i(sdr, t1, t0, mem_idx);
2235 break;
2236 #endif
2237 case OPC_SWE:
2238 mem_idx = MIPS_HFLAG_UM;
2239 /* fall through */
2240 case OPC_SW:
2241 tcg_gen_qemu_st_tl(t1, t0, mem_idx, MO_TEUL |
2242 ctx->default_tcg_memop_mask);
2243 break;
2244 case OPC_SHE:
2245 mem_idx = MIPS_HFLAG_UM;
2246 /* fall through */
2247 case OPC_SH:
2248 tcg_gen_qemu_st_tl(t1, t0, mem_idx, MO_TEUW |
2249 ctx->default_tcg_memop_mask);
2250 break;
2251 case OPC_SBE:
2252 mem_idx = MIPS_HFLAG_UM;
2253 /* fall through */
2254 case OPC_SB:
2255 tcg_gen_qemu_st_tl(t1, t0, mem_idx, MO_8);
2256 break;
2257 case OPC_SWLE:
2258 mem_idx = MIPS_HFLAG_UM;
2259 /* fall through */
2260 case OPC_SWL:
2261 gen_helper_0e2i(swl, t1, t0, mem_idx);
2262 break;
2263 case OPC_SWRE:
2264 mem_idx = MIPS_HFLAG_UM;
2265 /* fall through */
2266 case OPC_SWR:
2267 gen_helper_0e2i(swr, t1, t0, mem_idx);
2268 break;
2269 }
2270 tcg_temp_free(t0);
2271 tcg_temp_free(t1);
2272 }
2273
2274
2275 /* Store conditional */
2276 static void gen_st_cond(DisasContext *ctx, int rt, int base, int offset,
2277 MemOp tcg_mo, bool eva)
2278 {
2279 TCGv addr, t0, val;
2280 TCGLabel *l1 = gen_new_label();
2281 TCGLabel *done = gen_new_label();
2282
2283 t0 = tcg_temp_new();
2284 addr = tcg_temp_new();
2285 /* compare the address against that of the preceding LL */
2286 gen_base_offset_addr(ctx, addr, base, offset);
2287 tcg_gen_brcond_tl(TCG_COND_EQ, addr, cpu_lladdr, l1);
2288 tcg_temp_free(addr);
2289 tcg_gen_movi_tl(t0, 0);
2290 gen_store_gpr(t0, rt);
2291 tcg_gen_br(done);
2292
2293 gen_set_label(l1);
2294 /* generate cmpxchg */
2295 val = tcg_temp_new();
2296 gen_load_gpr(val, rt);
2297 tcg_gen_atomic_cmpxchg_tl(t0, cpu_lladdr, cpu_llval, val,
2298 eva ? MIPS_HFLAG_UM : ctx->mem_idx, tcg_mo);
2299 tcg_gen_setcond_tl(TCG_COND_EQ, t0, t0, cpu_llval);
2300 gen_store_gpr(t0, rt);
2301 tcg_temp_free(val);
2302
2303 gen_set_label(done);
2304 tcg_temp_free(t0);
2305 }
2306
2307 /* Load and store */
2308 static void gen_flt_ldst(DisasContext *ctx, uint32_t opc, int ft,
2309 TCGv t0)
2310 {
2311 /*
2312 * Don't do NOP if destination is zero: we must perform the actual
2313 * memory access.
2314 */
2315 switch (opc) {
2316 case OPC_LWC1:
2317 {
2318 TCGv_i32 fp0 = tcg_temp_new_i32();
2319 tcg_gen_qemu_ld_i32(fp0, t0, ctx->mem_idx, MO_TESL |
2320 ctx->default_tcg_memop_mask);
2321 gen_store_fpr32(ctx, fp0, ft);
2322 tcg_temp_free_i32(fp0);
2323 }
2324 break;
2325 case OPC_SWC1:
2326 {
2327 TCGv_i32 fp0 = tcg_temp_new_i32();
2328 gen_load_fpr32(ctx, fp0, ft);
2329 tcg_gen_qemu_st_i32(fp0, t0, ctx->mem_idx, MO_TEUL |
2330 ctx->default_tcg_memop_mask);
2331 tcg_temp_free_i32(fp0);
2332 }
2333 break;
2334 case OPC_LDC1:
2335 {
2336 TCGv_i64 fp0 = tcg_temp_new_i64();
2337 tcg_gen_qemu_ld_i64(fp0, t0, ctx->mem_idx, MO_TEQ |
2338 ctx->default_tcg_memop_mask);
2339 gen_store_fpr64(ctx, fp0, ft);
2340 tcg_temp_free_i64(fp0);
2341 }
2342 break;
2343 case OPC_SDC1:
2344 {
2345 TCGv_i64 fp0 = tcg_temp_new_i64();
2346 gen_load_fpr64(ctx, fp0, ft);
2347 tcg_gen_qemu_st_i64(fp0, t0, ctx->mem_idx, MO_TEQ |
2348 ctx->default_tcg_memop_mask);
2349 tcg_temp_free_i64(fp0);
2350 }
2351 break;
2352 default:
2353 MIPS_INVAL("flt_ldst");
2354 gen_reserved_instruction(ctx);
2355 break;
2356 }
2357 }
2358
2359 static void gen_cop1_ldst(DisasContext *ctx, uint32_t op, int rt,
2360 int rs, int16_t imm)
2361 {
2362 TCGv t0 = tcg_temp_new();
2363
2364 if (ctx->CP0_Config1 & (1 << CP0C1_FP)) {
2365 check_cp1_enabled(ctx);
2366 switch (op) {
2367 case OPC_LDC1:
2368 case OPC_SDC1:
2369 check_insn(ctx, ISA_MIPS2);
2370 /* Fallthrough */
2371 default:
2372 gen_base_offset_addr(ctx, t0, rs, imm);
2373 gen_flt_ldst(ctx, op, rt, t0);
2374 }
2375 } else {
2376 generate_exception_err(ctx, EXCP_CpU, 1);
2377 }
2378 tcg_temp_free(t0);
2379 }
2380
2381 /* Arithmetic with immediate operand */
2382 static void gen_arith_imm(DisasContext *ctx, uint32_t opc,
2383 int rt, int rs, int imm)
2384 {
2385 target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */
2386
2387 if (rt == 0 && opc != OPC_ADDI && opc != OPC_DADDI) {
2388 /*
2389 * If no destination, treat it as a NOP.
2390 * For addi, we must generate the overflow exception when needed.
2391 */
2392 return;
2393 }
2394 switch (opc) {
2395 case OPC_ADDI:
2396 {
2397 TCGv t0 = tcg_temp_local_new();
2398 TCGv t1 = tcg_temp_new();
2399 TCGv t2 = tcg_temp_new();
2400 TCGLabel *l1 = gen_new_label();
2401
2402 gen_load_gpr(t1, rs);
2403 tcg_gen_addi_tl(t0, t1, uimm);
2404 tcg_gen_ext32s_tl(t0, t0);
2405
2406 tcg_gen_xori_tl(t1, t1, ~uimm);
2407 tcg_gen_xori_tl(t2, t0, uimm);
2408 tcg_gen_and_tl(t1, t1, t2);
2409 tcg_temp_free(t2);
2410 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
2411 tcg_temp_free(t1);
2412 /* operands of same sign, result different sign */
2413 generate_exception(ctx, EXCP_OVERFLOW);
2414 gen_set_label(l1);
2415 tcg_gen_ext32s_tl(t0, t0);
2416 gen_store_gpr(t0, rt);
2417 tcg_temp_free(t0);
2418 }
2419 break;
2420 case OPC_ADDIU:
2421 if (rs != 0) {
2422 tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
2423 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]);
2424 } else {
2425 tcg_gen_movi_tl(cpu_gpr[rt], uimm);
2426 }
2427 break;
2428 #if defined(TARGET_MIPS64)
2429 case OPC_DADDI:
2430 {
2431 TCGv t0 = tcg_temp_local_new();
2432 TCGv t1 = tcg_temp_new();
2433 TCGv t2 = tcg_temp_new();
2434 TCGLabel *l1 = gen_new_label();
2435
2436 gen_load_gpr(t1, rs);
2437 tcg_gen_addi_tl(t0, t1, uimm);
2438
2439 tcg_gen_xori_tl(t1, t1, ~uimm);
2440 tcg_gen_xori_tl(t2, t0, uimm);
2441 tcg_gen_and_tl(t1, t1, t2);
2442 tcg_temp_free(t2);
2443 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
2444 tcg_temp_free(t1);
2445 /* operands of same sign, result different sign */
2446 generate_exception(ctx, EXCP_OVERFLOW);
2447 gen_set_label(l1);
2448 gen_store_gpr(t0, rt);
2449 tcg_temp_free(t0);
2450 }
2451 break;
2452 case OPC_DADDIU:
2453 if (rs != 0) {
2454 tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
2455 } else {
2456 tcg_gen_movi_tl(cpu_gpr[rt], uimm);
2457 }
2458 break;
2459 #endif
2460 }
2461 }
2462
2463 /* Logic with immediate operand */
2464 static void gen_logic_imm(DisasContext *ctx, uint32_t opc,
2465 int rt, int rs, int16_t imm)
2466 {
2467 target_ulong uimm;
2468
2469 if (rt == 0) {
2470 /* If no destination, treat it as a NOP. */
2471 return;
2472 }
2473 uimm = (uint16_t)imm;
2474 switch (opc) {
2475 case OPC_ANDI:
2476 if (likely(rs != 0)) {
2477 tcg_gen_andi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
2478 } else {
2479 tcg_gen_movi_tl(cpu_gpr[rt], 0);
2480 }
2481 break;
2482 case OPC_ORI:
2483 if (rs != 0) {
2484 tcg_gen_ori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
2485 } else {
2486 tcg_gen_movi_tl(cpu_gpr[rt], uimm);
2487 }
2488 break;
2489 case OPC_XORI:
2490 if (likely(rs != 0)) {
2491 tcg_gen_xori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
2492 } else {
2493 tcg_gen_movi_tl(cpu_gpr[rt], uimm);
2494 }
2495 break;
2496 case OPC_LUI:
2497 if (rs != 0 && (ctx->insn_flags & ISA_MIPS_R6)) {
2498 /* OPC_AUI */
2499 tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], imm << 16);
2500 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]);
2501 } else {
2502 tcg_gen_movi_tl(cpu_gpr[rt], imm << 16);
2503 }
2504 break;
2505
2506 default:
2507 break;
2508 }
2509 }
2510
2511 /* Set on less than with immediate operand */
2512 static void gen_slt_imm(DisasContext *ctx, uint32_t opc,
2513 int rt, int rs, int16_t imm)
2514 {
2515 target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */
2516 TCGv t0;
2517
2518 if (rt == 0) {
2519 /* If no destination, treat it as a NOP. */
2520 return;
2521 }
2522 t0 = tcg_temp_new();
2523 gen_load_gpr(t0, rs);
2524 switch (opc) {
2525 case OPC_SLTI:
2526 tcg_gen_setcondi_tl(TCG_COND_LT, cpu_gpr[rt], t0, uimm);
2527 break;
2528 case OPC_SLTIU:
2529 tcg_gen_setcondi_tl(TCG_COND_LTU, cpu_gpr[rt], t0, uimm);
2530 break;
2531 }
2532 tcg_temp_free(t0);
2533 }
2534
2535 /* Shifts with immediate operand */
2536 static void gen_shift_imm(DisasContext *ctx, uint32_t opc,
2537 int rt, int rs, int16_t imm)
2538 {
2539 target_ulong uimm = ((uint16_t)imm) & 0x1f;
2540 TCGv t0;
2541
2542 if (rt == 0) {
2543 /* If no destination, treat it as a NOP. */
2544 return;
2545 }
2546
2547 t0 = tcg_temp_new();
2548 gen_load_gpr(t0, rs);
2549 switch (opc) {
2550 case OPC_SLL:
2551 tcg_gen_shli_tl(t0, t0, uimm);
2552 tcg_gen_ext32s_tl(cpu_gpr[rt], t0);
2553 break;
2554 case OPC_SRA:
2555 tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm);
2556 break;
2557 case OPC_SRL:
2558 if (uimm != 0) {
2559 tcg_gen_ext32u_tl(t0, t0);
2560 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm);
2561 } else {
2562 tcg_gen_ext32s_tl(cpu_gpr[rt], t0);
2563 }
2564 break;
2565 case OPC_ROTR:
2566 if (uimm != 0) {
2567 TCGv_i32 t1 = tcg_temp_new_i32();
2568
2569 tcg_gen_trunc_tl_i32(t1, t0);
2570 tcg_gen_rotri_i32(t1, t1, uimm);
2571 tcg_gen_ext_i32_tl(cpu_gpr[rt], t1);
2572 tcg_temp_free_i32(t1);
2573 } else {
2574 tcg_gen_ext32s_tl(cpu_gpr[rt], t0);
2575 }
2576 break;
2577 #if defined(TARGET_MIPS64)
2578 case OPC_DSLL:
2579 tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm);
2580 break;
2581 case OPC_DSRA:
2582 tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm);
2583 break;
2584 case OPC_DSRL:
2585 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm);
2586 break;
2587 case OPC_DROTR:
2588 if (uimm != 0) {
2589 tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm);
2590 } else {
2591 tcg_gen_mov_tl(cpu_gpr[rt], t0);
2592 }
2593 break;
2594 case OPC_DSLL32:
2595 tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm + 32);
2596 break;
2597 case OPC_DSRA32:
2598 tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm + 32);
2599 break;
2600 case OPC_DSRL32:
2601 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm + 32);
2602 break;
2603 case OPC_DROTR32:
2604 tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm + 32);
2605 break;
2606 #endif
2607 }
2608 tcg_temp_free(t0);
2609 }
2610
2611 /* Arithmetic */
2612 static void gen_arith(DisasContext *ctx, uint32_t opc,
2613 int rd, int rs, int rt)
2614 {
2615 if (rd == 0 && opc != OPC_ADD && opc != OPC_SUB
2616 && opc != OPC_DADD && opc != OPC_DSUB) {
2617 /*
2618 * If no destination, treat it as a NOP.
2619 * For add & sub, we must generate the overflow exception when needed.
2620 */
2621 return;
2622 }
2623
2624 switch (opc) {
2625 case OPC_ADD:
2626 {
2627 TCGv t0 = tcg_temp_local_new();
2628 TCGv t1 = tcg_temp_new();
2629 TCGv t2 = tcg_temp_new();
2630 TCGLabel *l1 = gen_new_label();
2631
2632 gen_load_gpr(t1, rs);
2633 gen_load_gpr(t2, rt);
2634 tcg_gen_add_tl(t0, t1, t2);
2635 tcg_gen_ext32s_tl(t0, t0);
2636 tcg_gen_xor_tl(t1, t1, t2);
2637 tcg_gen_xor_tl(t2, t0, t2);
2638 tcg_gen_andc_tl(t1, t2, t1);
2639 tcg_temp_free(t2);
2640 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
2641 tcg_temp_free(t1);
2642 /* operands of same sign, result different sign */
2643 generate_exception(ctx, EXCP_OVERFLOW);
2644 gen_set_label(l1);
2645 gen_store_gpr(t0, rd);
2646 tcg_temp_free(t0);
2647 }
2648 break;
2649 case OPC_ADDU:
2650 if (rs != 0 && rt != 0) {
2651 tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
2652 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
2653 } else if (rs == 0 && rt != 0) {
2654 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
2655 } else if (rs != 0 && rt == 0) {
2656 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
2657 } else {
2658 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2659 }
2660 break;
2661 case OPC_SUB:
2662 {
2663 TCGv t0 = tcg_temp_local_new();
2664 TCGv t1 = tcg_temp_new();
2665 TCGv t2 = tcg_temp_new();
2666 TCGLabel *l1 = gen_new_label();
2667
2668 gen_load_gpr(t1, rs);
2669 gen_load_gpr(t2, rt);
2670 tcg_gen_sub_tl(t0, t1, t2);
2671 tcg_gen_ext32s_tl(t0, t0);
2672 tcg_gen_xor_tl(t2, t1, t2);
2673 tcg_gen_xor_tl(t1, t0, t1);
2674 tcg_gen_and_tl(t1, t1, t2);
2675 tcg_temp_free(t2);
2676 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
2677 tcg_temp_free(t1);
2678 /*
2679 * operands of different sign, first operand and the result
2680 * of different sign
2681 */
2682 generate_exception(ctx, EXCP_OVERFLOW);
2683 gen_set_label(l1);
2684 gen_store_gpr(t0, rd);
2685 tcg_temp_free(t0);
2686 }
2687 break;
2688 case OPC_SUBU:
2689 if (rs != 0 && rt != 0) {
2690 tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
2691 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
2692 } else if (rs == 0 && rt != 0) {
2693 tcg_gen_neg_tl(cpu_gpr[rd], 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[rs]);
2697 } else {
2698 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2699 }
2700 break;
2701 #if defined(TARGET_MIPS64)
2702 case OPC_DADD:
2703 {
2704 TCGv t0 = tcg_temp_local_new();
2705 TCGv t1 = tcg_temp_new();
2706 TCGv t2 = tcg_temp_new();
2707 TCGLabel *l1 = gen_new_label();
2708
2709 gen_load_gpr(t1, rs);
2710 gen_load_gpr(t2, rt);
2711 tcg_gen_add_tl(t0, t1, t2);
2712 tcg_gen_xor_tl(t1, t1, t2);
2713 tcg_gen_xor_tl(t2, t0, t2);
2714 tcg_gen_andc_tl(t1, t2, t1);
2715 tcg_temp_free(t2);
2716 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
2717 tcg_temp_free(t1);
2718 /* operands of same sign, result different sign */
2719 generate_exception(ctx, EXCP_OVERFLOW);
2720 gen_set_label(l1);
2721 gen_store_gpr(t0, rd);
2722 tcg_temp_free(t0);
2723 }
2724 break;
2725 case OPC_DADDU:
2726 if (rs != 0 && rt != 0) {
2727 tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
2728 } else if (rs == 0 && rt != 0) {
2729 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
2730 } else if (rs != 0 && rt == 0) {
2731 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
2732 } else {
2733 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2734 }
2735 break;
2736 case OPC_DSUB:
2737 {
2738 TCGv t0 = tcg_temp_local_new();
2739 TCGv t1 = tcg_temp_new();
2740 TCGv t2 = tcg_temp_new();
2741 TCGLabel *l1 = gen_new_label();
2742
2743 gen_load_gpr(t1, rs);
2744 gen_load_gpr(t2, rt);
2745 tcg_gen_sub_tl(t0, t1, t2);
2746 tcg_gen_xor_tl(t2, t1, t2);
2747 tcg_gen_xor_tl(t1, t0, t1);
2748 tcg_gen_and_tl(t1, t1, t2);
2749 tcg_temp_free(t2);
2750 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
2751 tcg_temp_free(t1);
2752 /*
2753 * Operands of different sign, first operand and result different
2754 * sign.
2755 */
2756 generate_exception(ctx, EXCP_OVERFLOW);
2757 gen_set_label(l1);
2758 gen_store_gpr(t0, rd);
2759 tcg_temp_free(t0);
2760 }
2761 break;
2762 case OPC_DSUBU:
2763 if (rs != 0 && rt != 0) {
2764 tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
2765 } else if (rs == 0 && rt != 0) {
2766 tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]);
2767 } else if (rs != 0 && rt == 0) {
2768 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
2769 } else {
2770 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2771 }
2772 break;
2773 #endif
2774 case OPC_MUL:
2775 if (likely(rs != 0 && rt != 0)) {
2776 tcg_gen_mul_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
2777 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
2778 } else {
2779 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2780 }
2781 break;
2782 }
2783 }
2784
2785 /* Conditional move */
2786 static void gen_cond_move(DisasContext *ctx, uint32_t opc,
2787 int rd, int rs, int rt)
2788 {
2789 TCGv t0, t1, t2;
2790
2791 if (rd == 0) {
2792 /* If no destination, treat it as a NOP. */
2793 return;
2794 }
2795
2796 t0 = tcg_temp_new();
2797 gen_load_gpr(t0, rt);
2798 t1 = tcg_const_tl(0);
2799 t2 = tcg_temp_new();
2800 gen_load_gpr(t2, rs);
2801 switch (opc) {
2802 case OPC_MOVN:
2803 tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rd], t0, t1, t2, cpu_gpr[rd]);
2804 break;
2805 case OPC_MOVZ:
2806 tcg_gen_movcond_tl(TCG_COND_EQ, cpu_gpr[rd], t0, t1, t2, cpu_gpr[rd]);
2807 break;
2808 case OPC_SELNEZ:
2809 tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rd], t0, t1, t2, t1);
2810 break;
2811 case OPC_SELEQZ:
2812 tcg_gen_movcond_tl(TCG_COND_EQ, cpu_gpr[rd], t0, t1, t2, t1);
2813 break;
2814 }
2815 tcg_temp_free(t2);
2816 tcg_temp_free(t1);
2817 tcg_temp_free(t0);
2818 }
2819
2820 /* Logic */
2821 static void gen_logic(DisasContext *ctx, uint32_t opc,
2822 int rd, int rs, int rt)
2823 {
2824 if (rd == 0) {
2825 /* If no destination, treat it as a NOP. */
2826 return;
2827 }
2828
2829 switch (opc) {
2830 case OPC_AND:
2831 if (likely(rs != 0 && rt != 0)) {
2832 tcg_gen_and_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
2833 } else {
2834 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2835 }
2836 break;
2837 case OPC_NOR:
2838 if (rs != 0 && rt != 0) {
2839 tcg_gen_nor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
2840 } else if (rs == 0 && rt != 0) {
2841 tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rt]);
2842 } else if (rs != 0 && rt == 0) {
2843 tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rs]);
2844 } else {
2845 tcg_gen_movi_tl(cpu_gpr[rd], ~((target_ulong)0));
2846 }
2847 break;
2848 case OPC_OR:
2849 if (likely(rs != 0 && rt != 0)) {
2850 tcg_gen_or_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
2851 } else if (rs == 0 && rt != 0) {
2852 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
2853 } else if (rs != 0 && rt == 0) {
2854 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
2855 } else {
2856 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2857 }
2858 break;
2859 case OPC_XOR:
2860 if (likely(rs != 0 && rt != 0)) {
2861 tcg_gen_xor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
2862 } else if (rs == 0 && rt != 0) {
2863 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
2864 } else if (rs != 0 && rt == 0) {
2865 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
2866 } else {
2867 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2868 }
2869 break;
2870 }
2871 }
2872
2873 /* Set on lower than */
2874 static void gen_slt(DisasContext *ctx, uint32_t opc,
2875 int rd, int rs, int rt)
2876 {
2877 TCGv t0, t1;
2878
2879 if (rd == 0) {
2880 /* If no destination, treat it as a NOP. */
2881 return;
2882 }
2883
2884 t0 = tcg_temp_new();
2885 t1 = tcg_temp_new();
2886 gen_load_gpr(t0, rs);
2887 gen_load_gpr(t1, rt);
2888 switch (opc) {
2889 case OPC_SLT:
2890 tcg_gen_setcond_tl(TCG_COND_LT, cpu_gpr[rd], t0, t1);
2891 break;
2892 case OPC_SLTU:
2893 tcg_gen_setcond_tl(TCG_COND_LTU, cpu_gpr[rd], t0, t1);
2894 break;
2895 }
2896 tcg_temp_free(t0);
2897 tcg_temp_free(t1);
2898 }
2899
2900 /* Shifts */
2901 static void gen_shift(DisasContext *ctx, uint32_t opc,
2902 int rd, int rs, int rt)
2903 {
2904 TCGv t0, t1;
2905
2906 if (rd == 0) {
2907 /*
2908 * If no destination, treat it as a NOP.
2909 * For add & sub, we must generate the overflow exception when needed.
2910 */
2911 return;
2912 }
2913
2914 t0 = tcg_temp_new();
2915 t1 = tcg_temp_new();
2916 gen_load_gpr(t0, rs);
2917 gen_load_gpr(t1, rt);
2918 switch (opc) {
2919 case OPC_SLLV:
2920 tcg_gen_andi_tl(t0, t0, 0x1f);
2921 tcg_gen_shl_tl(t0, t1, t0);
2922 tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
2923 break;
2924 case OPC_SRAV:
2925 tcg_gen_andi_tl(t0, t0, 0x1f);
2926 tcg_gen_sar_tl(cpu_gpr[rd], t1, t0);
2927 break;
2928 case OPC_SRLV:
2929 tcg_gen_ext32u_tl(t1, t1);
2930 tcg_gen_andi_tl(t0, t0, 0x1f);
2931 tcg_gen_shr_tl(t0, t1, t0);
2932 tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
2933 break;
2934 case OPC_ROTRV:
2935 {
2936 TCGv_i32 t2 = tcg_temp_new_i32();
2937 TCGv_i32 t3 = tcg_temp_new_i32();
2938
2939 tcg_gen_trunc_tl_i32(t2, t0);
2940 tcg_gen_trunc_tl_i32(t3, t1);
2941 tcg_gen_andi_i32(t2, t2, 0x1f);
2942 tcg_gen_rotr_i32(t2, t3, t2);
2943 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2);
2944 tcg_temp_free_i32(t2);
2945 tcg_temp_free_i32(t3);
2946 }
2947 break;
2948 #if defined(TARGET_MIPS64)
2949 case OPC_DSLLV:
2950 tcg_gen_andi_tl(t0, t0, 0x3f);
2951 tcg_gen_shl_tl(cpu_gpr[rd], t1, t0);
2952 break;
2953 case OPC_DSRAV:
2954 tcg_gen_andi_tl(t0, t0, 0x3f);
2955 tcg_gen_sar_tl(cpu_gpr[rd], t1, t0);
2956 break;
2957 case OPC_DSRLV:
2958 tcg_gen_andi_tl(t0, t0, 0x3f);
2959 tcg_gen_shr_tl(cpu_gpr[rd], t1, t0);
2960 break;
2961 case OPC_DROTRV:
2962 tcg_gen_andi_tl(t0, t0, 0x3f);
2963 tcg_gen_rotr_tl(cpu_gpr[rd], t1, t0);
2964 break;
2965 #endif
2966 }
2967 tcg_temp_free(t0);
2968 tcg_temp_free(t1);
2969 }
2970
2971 /* Arithmetic on HI/LO registers */
2972 static void gen_HILO(DisasContext *ctx, uint32_t opc, int acc, int reg)
2973 {
2974 if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) {
2975 /* Treat as NOP. */
2976 return;
2977 }
2978
2979 if (acc != 0) {
2980 check_dsp(ctx);
2981 }
2982
2983 switch (opc) {
2984 case OPC_MFHI:
2985 #if defined(TARGET_MIPS64)
2986 if (acc != 0) {
2987 tcg_gen_ext32s_tl(cpu_gpr[reg], cpu_HI[acc]);
2988 } else
2989 #endif
2990 {
2991 tcg_gen_mov_tl(cpu_gpr[reg], cpu_HI[acc]);
2992 }
2993 break;
2994 case OPC_MFLO:
2995 #if defined(TARGET_MIPS64)
2996 if (acc != 0) {
2997 tcg_gen_ext32s_tl(cpu_gpr[reg], cpu_LO[acc]);
2998 } else
2999 #endif
3000 {
3001 tcg_gen_mov_tl(cpu_gpr[reg], cpu_LO[acc]);
3002 }
3003 break;
3004 case OPC_MTHI:
3005 if (reg != 0) {
3006 #if defined(TARGET_MIPS64)
3007 if (acc != 0) {
3008 tcg_gen_ext32s_tl(cpu_HI[acc], cpu_gpr[reg]);
3009 } else
3010 #endif
3011 {
3012 tcg_gen_mov_tl(cpu_HI[acc], cpu_gpr[reg]);
3013 }
3014 } else {
3015 tcg_gen_movi_tl(cpu_HI[acc], 0);
3016 }
3017 break;
3018 case OPC_MTLO:
3019 if (reg != 0) {
3020 #if defined(TARGET_MIPS64)
3021 if (acc != 0) {
3022 tcg_gen_ext32s_tl(cpu_LO[acc], cpu_gpr[reg]);
3023 } else
3024 #endif
3025 {
3026 tcg_gen_mov_tl(cpu_LO[acc], cpu_gpr[reg]);
3027 }
3028 } else {
3029 tcg_gen_movi_tl(cpu_LO[acc], 0);
3030 }
3031 break;
3032 }
3033 }
3034
3035 static inline void gen_r6_ld(target_long addr, int reg, int memidx,
3036 MemOp memop)
3037 {
3038 TCGv t0 = tcg_const_tl(addr);
3039 tcg_gen_qemu_ld_tl(t0, t0, memidx, memop);
3040 gen_store_gpr(t0, reg);
3041 tcg_temp_free(t0);
3042 }
3043
3044 static inline void gen_pcrel(DisasContext *ctx, int opc, target_ulong pc,
3045 int rs)
3046 {
3047 target_long offset;
3048 target_long addr;
3049
3050 switch (MASK_OPC_PCREL_TOP2BITS(opc)) {
3051 case OPC_ADDIUPC:
3052 if (rs != 0) {
3053 offset = sextract32(ctx->opcode << 2, 0, 21);
3054 addr = addr_add(ctx, pc, offset);
3055 tcg_gen_movi_tl(cpu_gpr[rs], addr);
3056 }
3057 break;
3058 case R6_OPC_LWPC:
3059 offset = sextract32(ctx->opcode << 2, 0, 21);
3060 addr = addr_add(ctx, pc, offset);
3061 gen_r6_ld(addr, rs, ctx->mem_idx, MO_TESL);
3062 break;
3063 #if defined(TARGET_MIPS64)
3064 case OPC_LWUPC:
3065 check_mips_64(ctx);
3066 offset = sextract32(ctx->opcode << 2, 0, 21);
3067 addr = addr_add(ctx, pc, offset);
3068 gen_r6_ld(addr, rs, ctx->mem_idx, MO_TEUL);
3069 break;
3070 #endif
3071 default:
3072 switch (MASK_OPC_PCREL_TOP5BITS(opc)) {
3073 case OPC_AUIPC:
3074 if (rs != 0) {
3075 offset = sextract32(ctx->opcode, 0, 16) << 16;
3076 addr = addr_add(ctx, pc, offset);
3077 tcg_gen_movi_tl(cpu_gpr[rs], addr);
3078 }
3079 break;
3080 case OPC_ALUIPC:
3081 if (rs != 0) {
3082 offset = sextract32(ctx->opcode, 0, 16) << 16;
3083 addr = ~0xFFFF & addr_add(ctx, pc, offset);
3084 tcg_gen_movi_tl(cpu_gpr[rs], addr);
3085 }
3086 break;
3087 #if defined(TARGET_MIPS64)
3088 case R6_OPC_LDPC: /* bits 16 and 17 are part of immediate */
3089 case R6_OPC_LDPC + (1 << 16):
3090 case R6_OPC_LDPC + (2 << 16):
3091 case R6_OPC_LDPC + (3 << 16):
3092 check_mips_64(ctx);
3093 offset = sextract32(ctx->opcode << 3, 0, 21);
3094 addr = addr_add(ctx, (pc & ~0x7), offset);
3095 gen_r6_ld(addr, rs, ctx->mem_idx, MO_TEQ);
3096 break;
3097 #endif
3098 default:
3099 MIPS_INVAL("OPC_PCREL");
3100 gen_reserved_instruction(ctx);
3101 break;
3102 }
3103 break;
3104 }
3105 }
3106
3107 static void gen_r6_muldiv(DisasContext *ctx, int opc, int rd, int rs, int rt)
3108 {
3109 TCGv t0, t1;
3110
3111 if (rd == 0) {
3112 /* Treat as NOP. */
3113 return;
3114 }
3115
3116 t0 = tcg_temp_new();
3117 t1 = tcg_temp_new();
3118
3119 gen_load_gpr(t0, rs);
3120 gen_load_gpr(t1, rt);
3121
3122 switch (opc) {
3123 case R6_OPC_DIV:
3124 {
3125 TCGv t2 = tcg_temp_new();
3126 TCGv t3 = tcg_temp_new();
3127 tcg_gen_ext32s_tl(t0, t0);
3128 tcg_gen_ext32s_tl(t1, t1);
3129 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, INT_MIN);
3130 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1);
3131 tcg_gen_and_tl(t2, t2, t3);
3132 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0);
3133 tcg_gen_or_tl(t2, t2, t3);
3134 tcg_gen_movi_tl(t3, 0);
3135 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1);
3136 tcg_gen_div_tl(cpu_gpr[rd], t0, t1);
3137 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3138 tcg_temp_free(t3);
3139 tcg_temp_free(t2);
3140 }
3141 break;
3142 case R6_OPC_MOD:
3143 {
3144 TCGv t2 = tcg_temp_new();
3145 TCGv t3 = tcg_temp_new();
3146 tcg_gen_ext32s_tl(t0, t0);
3147 tcg_gen_ext32s_tl(t1, t1);
3148 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, INT_MIN);
3149 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1);
3150 tcg_gen_and_tl(t2, t2, t3);
3151 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0);
3152 tcg_gen_or_tl(t2, t2, t3);
3153 tcg_gen_movi_tl(t3, 0);
3154 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1);
3155 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1);
3156 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3157 tcg_temp_free(t3);
3158 tcg_temp_free(t2);
3159 }
3160 break;
3161 case R6_OPC_DIVU:
3162 {
3163 TCGv t2 = tcg_const_tl(0);
3164 TCGv t3 = tcg_const_tl(1);
3165 tcg_gen_ext32u_tl(t0, t0);
3166 tcg_gen_ext32u_tl(t1, t1);
3167 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1);
3168 tcg_gen_divu_tl(cpu_gpr[rd], t0, t1);
3169 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3170 tcg_temp_free(t3);
3171 tcg_temp_free(t2);
3172 }
3173 break;
3174 case R6_OPC_MODU:
3175 {
3176 TCGv t2 = tcg_const_tl(0);
3177 TCGv t3 = tcg_const_tl(1);
3178 tcg_gen_ext32u_tl(t0, t0);
3179 tcg_gen_ext32u_tl(t1, t1);
3180 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1);
3181 tcg_gen_remu_tl(cpu_gpr[rd], t0, t1);
3182 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3183 tcg_temp_free(t3);
3184 tcg_temp_free(t2);
3185 }
3186 break;
3187 case R6_OPC_MUL:
3188 {
3189 TCGv_i32 t2 = tcg_temp_new_i32();
3190 TCGv_i32 t3 = tcg_temp_new_i32();
3191 tcg_gen_trunc_tl_i32(t2, t0);
3192 tcg_gen_trunc_tl_i32(t3, t1);
3193 tcg_gen_mul_i32(t2, t2, t3);
3194 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2);
3195 tcg_temp_free_i32(t2);
3196 tcg_temp_free_i32(t3);
3197 }
3198 break;
3199 case R6_OPC_MUH:
3200 {
3201 TCGv_i32 t2 = tcg_temp_new_i32();
3202 TCGv_i32 t3 = tcg_temp_new_i32();
3203 tcg_gen_trunc_tl_i32(t2, t0);
3204 tcg_gen_trunc_tl_i32(t3, t1);
3205 tcg_gen_muls2_i32(t2, t3, t2, t3);
3206 tcg_gen_ext_i32_tl(cpu_gpr[rd], t3);
3207 tcg_temp_free_i32(t2);
3208 tcg_temp_free_i32(t3);
3209 }
3210 break;
3211 case R6_OPC_MULU:
3212 {
3213 TCGv_i32 t2 = tcg_temp_new_i32();
3214 TCGv_i32 t3 = tcg_temp_new_i32();
3215 tcg_gen_trunc_tl_i32(t2, t0);
3216 tcg_gen_trunc_tl_i32(t3, t1);
3217 tcg_gen_mul_i32(t2, t2, t3);
3218 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2);
3219 tcg_temp_free_i32(t2);
3220 tcg_temp_free_i32(t3);
3221 }
3222 break;
3223 case R6_OPC_MUHU:
3224 {
3225 TCGv_i32 t2 = tcg_temp_new_i32();
3226 TCGv_i32 t3 = tcg_temp_new_i32();
3227 tcg_gen_trunc_tl_i32(t2, t0);
3228 tcg_gen_trunc_tl_i32(t3, t1);
3229 tcg_gen_mulu2_i32(t2, t3, t2, t3);
3230 tcg_gen_ext_i32_tl(cpu_gpr[rd], t3);
3231 tcg_temp_free_i32(t2);
3232 tcg_temp_free_i32(t3);
3233 }
3234 break;
3235 #if defined(TARGET_MIPS64)
3236 case R6_OPC_DDIV:
3237 {
3238 TCGv t2 = tcg_temp_new();
3239 TCGv t3 = tcg_temp_new();
3240 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, -1LL << 63);
3241 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1LL);
3242 tcg_gen_and_tl(t2, t2, t3);
3243 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0);
3244 tcg_gen_or_tl(t2, t2, t3);
3245 tcg_gen_movi_tl(t3, 0);
3246 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1);
3247 tcg_gen_div_tl(cpu_gpr[rd], t0, t1);
3248 tcg_temp_free(t3);
3249 tcg_temp_free(t2);
3250 }
3251 break;
3252 case R6_OPC_DMOD:
3253 {
3254 TCGv t2 = tcg_temp_new();
3255 TCGv t3 = tcg_temp_new();
3256 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, -1LL << 63);
3257 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1LL);
3258 tcg_gen_and_tl(t2, t2, t3);
3259 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0);
3260 tcg_gen_or_tl(t2, t2, t3);
3261 tcg_gen_movi_tl(t3, 0);
3262 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1);
3263 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1);
3264 tcg_temp_free(t3);
3265 tcg_temp_free(t2);
3266 }
3267 break;
3268 case R6_OPC_DDIVU:
3269 {
3270 TCGv t2 = tcg_const_tl(0);
3271 TCGv t3 = tcg_const_tl(1);
3272 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1);
3273 tcg_gen_divu_i64(cpu_gpr[rd], t0, t1);
3274 tcg_temp_free(t3);
3275 tcg_temp_free(t2);
3276 }
3277 break;
3278 case R6_OPC_DMODU:
3279 {
3280 TCGv t2 = tcg_const_tl(0);
3281 TCGv t3 = tcg_const_tl(1);
3282 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1);
3283 tcg_gen_remu_i64(cpu_gpr[rd], t0, t1);
3284 tcg_temp_free(t3);
3285 tcg_temp_free(t2);
3286 }
3287 break;
3288 case R6_OPC_DMUL:
3289 tcg_gen_mul_i64(cpu_gpr[rd], t0, t1);
3290 break;
3291 case R6_OPC_DMUH:
3292 {
3293 TCGv t2 = tcg_temp_new();
3294 tcg_gen_muls2_i64(t2, cpu_gpr[rd], t0, t1);
3295 tcg_temp_free(t2);
3296 }
3297 break;
3298 case R6_OPC_DMULU:
3299 tcg_gen_mul_i64(cpu_gpr[rd], t0, t1);
3300 break;
3301 case R6_OPC_DMUHU:
3302 {
3303 TCGv t2 = tcg_temp_new();
3304 tcg_gen_mulu2_i64(t2, cpu_gpr[rd], t0, t1);
3305 tcg_temp_free(t2);
3306 }
3307 break;
3308 #endif
3309 default:
3310 MIPS_INVAL("r6 mul/div");
3311 gen_reserved_instruction(ctx);
3312 goto out;
3313 }
3314 out:
3315 tcg_temp_free(t0);
3316 tcg_temp_free(t1);
3317 }
3318
3319 #if defined(TARGET_MIPS64)
3320 static void gen_div1_tx79(DisasContext *ctx, uint32_t opc, int rs, int rt)
3321 {
3322 TCGv t0, t1;
3323
3324 t0 = tcg_temp_new();
3325 t1 = tcg_temp_new();
3326
3327 gen_load_gpr(t0, rs);
3328 gen_load_gpr(t1, rt);
3329
3330 switch (opc) {
3331 case MMI_OPC_DIV1:
3332 {
3333 TCGv t2 = tcg_temp_new();
3334 TCGv t3 = tcg_temp_new();
3335 tcg_gen_ext32s_tl(t0, t0);
3336 tcg_gen_ext32s_tl(t1, t1);
3337 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, INT_MIN);
3338 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1);
3339 tcg_gen_and_tl(t2, t2, t3);
3340 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0);
3341 tcg_gen_or_tl(t2, t2, t3);
3342 tcg_gen_movi_tl(t3, 0);
3343 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1);
3344 tcg_gen_div_tl(cpu_LO[1], t0, t1);
3345 tcg_gen_rem_tl(cpu_HI[1], t0, t1);
3346 tcg_gen_ext32s_tl(cpu_LO[1], cpu_LO[1]);
3347 tcg_gen_ext32s_tl(cpu_HI[1], cpu_HI[1]);
3348 tcg_temp_free(t3);
3349 tcg_temp_free(t2);
3350 }
3351 break;
3352 case MMI_OPC_DIVU1:
3353 {
3354 TCGv t2 = tcg_const_tl(0);
3355 TCGv t3 = tcg_const_tl(1);
3356 tcg_gen_ext32u_tl(t0, t0);
3357 tcg_gen_ext32u_tl(t1, t1);
3358 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1);
3359 tcg_gen_divu_tl(cpu_LO[1], t0, t1);
3360 tcg_gen_remu_tl(cpu_HI[1], t0, t1);
3361 tcg_gen_ext32s_tl(cpu_LO[1], cpu_LO[1]);
3362 tcg_gen_ext32s_tl(cpu_HI[1], cpu_HI[1]);
3363 tcg_temp_free(t3);
3364 tcg_temp_free(t2);
3365 }
3366 break;
3367 default:
3368 MIPS_INVAL("div1 TX79");
3369 gen_reserved_instruction(ctx);
3370 goto out;
3371 }
3372 out:
3373 tcg_temp_free(t0);
3374 tcg_temp_free(t1);
3375 }
3376 #endif
3377
3378 static void gen_muldiv(DisasContext *ctx, uint32_t opc,
3379 int acc, int rs, int rt)
3380 {
3381 TCGv t0, t1;
3382
3383 t0 = tcg_temp_new();
3384 t1 = tcg_temp_new();
3385
3386 gen_load_gpr(t0, rs);
3387 gen_load_gpr(t1, rt);
3388
3389 if (acc != 0) {
3390 check_dsp(ctx);
3391 }
3392
3393 switch (opc) {
3394 case OPC_DIV:
3395 {
3396 TCGv t2 = tcg_temp_new();
3397 TCGv t3 = tcg_temp_new();
3398 tcg_gen_ext32s_tl(t0, t0);
3399 tcg_gen_ext32s_tl(t1, t1);
3400 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, INT_MIN);
3401 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1);
3402 tcg_gen_and_tl(t2, t2, t3);
3403 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0);
3404 tcg_gen_or_tl(t2, t2, t3);
3405 tcg_gen_movi_tl(t3, 0);
3406 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1);
3407 tcg_gen_div_tl(cpu_LO[acc], t0, t1);
3408 tcg_gen_rem_tl(cpu_HI[acc], t0, t1);
3409 tcg_gen_ext32s_tl(cpu_LO[acc], cpu_LO[acc]);
3410 tcg_gen_ext32s_tl(cpu_HI[acc], cpu_HI[acc]);
3411 tcg_temp_free(t3);
3412 tcg_temp_free(t2);
3413 }
3414 break;
3415 case OPC_DIVU:
3416 {
3417 TCGv t2 = tcg_const_tl(0);
3418 TCGv t3 = tcg_const_tl(1);
3419 tcg_gen_ext32u_tl(t0, t0);
3420 tcg_gen_ext32u_tl(t1, t1);
3421 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1);
3422 tcg_gen_divu_tl(cpu_LO[acc], t0, t1);
3423 tcg_gen_remu_tl(cpu_HI[acc], t0, t1);
3424 tcg_gen_ext32s_tl(cpu_LO[acc], cpu_LO[acc]);
3425 tcg_gen_ext32s_tl(cpu_HI[acc], cpu_HI[acc]);
3426 tcg_temp_free(t3);
3427 tcg_temp_free(t2);
3428 }
3429 break;
3430 case OPC_MULT:
3431 {
3432 TCGv_i32 t2 = tcg_temp_new_i32();
3433 TCGv_i32 t3 = tcg_temp_new_i32();
3434 tcg_gen_trunc_tl_i32(t2, t0);
3435 tcg_gen_trunc_tl_i32(t3, t1);
3436 tcg_gen_muls2_i32(t2, t3, t2, t3);
3437 tcg_gen_ext_i32_tl(cpu_LO[acc], t2);
3438 tcg_gen_ext_i32_tl(cpu_HI[acc], t3);
3439 tcg_temp_free_i32(t2);
3440 tcg_temp_free_i32(t3);
3441 }
3442 break;
3443 case OPC_MULTU:
3444 {
3445 TCGv_i32 t2 = tcg_temp_new_i32();
3446 TCGv_i32 t3 = tcg_temp_new_i32();
3447 tcg_gen_trunc_tl_i32(t2, t0);
3448 tcg_gen_trunc_tl_i32(t3, t1);
3449 tcg_gen_mulu2_i32(t2, t3, t2, t3);
3450 tcg_gen_ext_i32_tl(cpu_LO[acc], t2);
3451 tcg_gen_ext_i32_tl(cpu_HI[acc], t3);
3452 tcg_temp_free_i32(t2);
3453 tcg_temp_free_i32(t3);
3454 }
3455 break;
3456 #if defined(TARGET_MIPS64)
3457 case OPC_DDIV:
3458 {
3459 TCGv t2 = tcg_temp_new();
3460 TCGv t3 = tcg_temp_new();
3461 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, -1LL << 63);
3462 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1LL);
3463 tcg_gen_and_tl(t2, t2, t3);
3464 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0);
3465 tcg_gen_or_tl(t2, t2, t3);
3466 tcg_gen_movi_tl(t3, 0);
3467 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1);
3468 tcg_gen_div_tl(cpu_LO[acc], t0, t1);
3469 tcg_gen_rem_tl(cpu_HI[acc], t0, t1);
3470 tcg_temp_free(t3);
3471 tcg_temp_free(t2);
3472 }
3473 break;
3474 case OPC_DDIVU:
3475 {
3476 TCGv t2 = tcg_const_tl(0);
3477 TCGv t3 = tcg_const_tl(1);
3478 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1);
3479 tcg_gen_divu_i64(cpu_LO[acc], t0, t1);
3480 tcg_gen_remu_i64(cpu_HI[acc], t0, t1);
3481 tcg_temp_free(t3);
3482 tcg_temp_free(t2);
3483 }
3484 break;
3485 case OPC_DMULT:
3486 tcg_gen_muls2_i64(cpu_LO[acc], cpu_HI[acc], t0, t1);
3487 break;
3488 case OPC_DMULTU:
3489 tcg_gen_mulu2_i64(cpu_LO[acc], cpu_HI[acc], t0, t1);
3490 break;
3491 #endif
3492 case OPC_MADD:
3493 {
3494 TCGv_i64 t2 = tcg_temp_new_i64();
3495 TCGv_i64 t3 = tcg_temp_new_i64();
3496
3497 tcg_gen_ext_tl_i64(t2, t0);
3498 tcg_gen_ext_tl_i64(t3, t1);
3499 tcg_gen_mul_i64(t2, t2, t3);
3500 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]);
3501 tcg_gen_add_i64(t2, t2, t3);
3502 tcg_temp_free_i64(t3);
3503 gen_move_low32(cpu_LO[acc], t2);
3504 gen_move_high32(cpu_HI[acc], t2);
3505 tcg_temp_free_i64(t2);
3506 }
3507 break;
3508 case OPC_MADDU:
3509 {
3510 TCGv_i64 t2 = tcg_temp_new_i64();
3511 TCGv_i64 t3 = tcg_temp_new_i64();
3512
3513 tcg_gen_ext32u_tl(t0, t0);
3514 tcg_gen_ext32u_tl(t1, t1);
3515 tcg_gen_extu_tl_i64(t2, t0);
3516 tcg_gen_extu_tl_i64(t3, t1);
3517 tcg_gen_mul_i64(t2, t2, t3);
3518 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]);
3519 tcg_gen_add_i64(t2, t2, t3);
3520 tcg_temp_free_i64(t3);
3521 gen_move_low32(cpu_LO[acc], t2);
3522 gen_move_high32(cpu_HI[acc], t2);
3523 tcg_temp_free_i64(t2);
3524 }
3525 break;
3526 case OPC_MSUB:
3527 {
3528 TCGv_i64 t2 = tcg_temp_new_i64();
3529 TCGv_i64 t3 = tcg_temp_new_i64();
3530
3531 tcg_gen_ext_tl_i64(t2, t0);
3532 tcg_gen_ext_tl_i64(t3, t1);
3533 tcg_gen_mul_i64(t2, t2, t3);
3534 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]);
3535 tcg_gen_sub_i64(t2, t3, t2);
3536 tcg_temp_free_i64(t3);
3537 gen_move_low32(cpu_LO[acc], t2);
3538 gen_move_high32(cpu_HI[acc], t2);
3539 tcg_temp_free_i64(t2);
3540 }
3541 break;
3542 case OPC_MSUBU:
3543 {
3544 TCGv_i64 t2 = tcg_temp_new_i64();
3545 TCGv_i64 t3 = tcg_temp_new_i64();
3546
3547 tcg_gen_ext32u_tl(t0, t0);
3548 tcg_gen_ext32u_tl(t1, t1);
3549 tcg_gen_extu_tl_i64(t2, t0);
3550 tcg_gen_extu_tl_i64(t3, t1);
3551 tcg_gen_mul_i64(t2, t2, t3);
3552 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]);
3553 tcg_gen_sub_i64(t2, t3, t2);
3554 tcg_temp_free_i64(t3);
3555 gen_move_low32(cpu_LO[acc], t2);
3556 gen_move_high32(cpu_HI[acc], t2);
3557 tcg_temp_free_i64(t2);
3558 }
3559 break;
3560 default:
3561 MIPS_INVAL("mul/div");
3562 gen_reserved_instruction(ctx);
3563 goto out;
3564 }
3565 out:
3566 tcg_temp_free(t0);
3567 tcg_temp_free(t1);
3568 }
3569
3570 /*
3571 * These MULT[U] and MADD[U] instructions implemented in for example
3572 * the Toshiba/Sony R5900 and the Toshiba TX19, TX39 and TX79 core
3573 * architectures are special three-operand variants with the syntax
3574 *
3575 * MULT[U][1] rd, rs, rt
3576 *
3577 * such that
3578 *
3579 * (rd, LO, HI) <- rs * rt
3580 *
3581 * and
3582 *
3583 * MADD[U][1] rd, rs, rt
3584 *
3585 * such that
3586 *
3587 * (rd, LO, HI) <- (LO, HI) + rs * rt
3588 *
3589 * where the low-order 32-bits of the result is placed into both the
3590 * GPR rd and the special register LO. The high-order 32-bits of the
3591 * result is placed into the special register HI.
3592 *
3593 * If the GPR rd is omitted in assembly language, it is taken to be 0,
3594 * which is the zero register that always reads as 0.
3595 */
3596 static void gen_mul_txx9(DisasContext *ctx, uint32_t opc,
3597 int rd, int rs, int rt)
3598 {
3599 TCGv t0 = tcg_temp_new();
3600 TCGv t1 = tcg_temp_new();
3601 int acc = 0;
3602
3603 gen_load_gpr(t0, rs);
3604 gen_load_gpr(t1, rt);
3605
3606 switch (opc) {
3607 case MMI_OPC_MULT1:
3608 acc = 1;
3609 /* Fall through */
3610 case OPC_MULT:
3611 {
3612 TCGv_i32 t2 = tcg_temp_new_i32();
3613 TCGv_i32 t3 = tcg_temp_new_i32();
3614 tcg_gen_trunc_tl_i32(t2, t0);
3615 tcg_gen_trunc_tl_i32(t3, t1);
3616 tcg_gen_muls2_i32(t2, t3, t2, t3);
3617 if (rd) {
3618 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2);
3619 }
3620 tcg_gen_ext_i32_tl(cpu_LO[acc], t2);
3621 tcg_gen_ext_i32_tl(cpu_HI[acc], t3);
3622 tcg_temp_free_i32(t2);
3623 tcg_temp_free_i32(t3);
3624 }
3625 break;
3626 case MMI_OPC_MULTU1:
3627 acc = 1;
3628 /* Fall through */
3629 case OPC_MULTU:
3630 {
3631 TCGv_i32 t2 = tcg_temp_new_i32();
3632 TCGv_i32 t3 = tcg_temp_new_i32();
3633 tcg_gen_trunc_tl_i32(t2, t0);
3634 tcg_gen_trunc_tl_i32(t3, t1);
3635 tcg_gen_mulu2_i32(t2, t3, t2, t3);
3636 if (rd) {
3637 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2);
3638 }
3639 tcg_gen_ext_i32_tl(cpu_LO[acc], t2);
3640 tcg_gen_ext_i32_tl(cpu_HI[acc], t3);
3641 tcg_temp_free_i32(t2);
3642 tcg_temp_free_i32(t3);
3643 }
3644 break;
3645 case MMI_OPC_MADD1:
3646 acc = 1;
3647 /* Fall through */
3648 case MMI_OPC_MADD:
3649 {
3650 TCGv_i64 t2 = tcg_temp_new_i64();
3651 TCGv_i64 t3 = tcg_temp_new_i64();
3652
3653 tcg_gen_ext_tl_i64(t2, t0);
3654 tcg_gen_ext_tl_i64(t3, t1);
3655 tcg_gen_mul_i64(t2, t2, t3);
3656 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]);
3657 tcg_gen_add_i64(t2, t2, t3);
3658 tcg_temp_free_i64(t3);
3659 gen_move_low32(cpu_LO[acc], t2);
3660 gen_move_high32(cpu_HI[acc], t2);
3661 if (rd) {
3662 gen_move_low32(cpu_gpr[rd], t2);
3663 }
3664 tcg_temp_free_i64(t2);
3665 }
3666 break;
3667 case MMI_OPC_MADDU1:
3668 acc = 1;
3669 /* Fall through */
3670 case MMI_OPC_MADDU:
3671 {
3672 TCGv_i64 t2 = tcg_temp_new_i64();
3673 TCGv_i64 t3 = tcg_temp_new_i64();
3674
3675 tcg_gen_ext32u_tl(t0, t0);
3676 tcg_gen_ext32u_tl(t1, t1);
3677 tcg_gen_extu_tl_i64(t2, t0);
3678 tcg_gen_extu_tl_i64(t3, t1);
3679 tcg_gen_mul_i64(t2, t2, t3);
3680 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]);
3681 tcg_gen_add_i64(t2, t2, t3);
3682 tcg_temp_free_i64(t3);
3683 gen_move_low32(cpu_LO[acc], t2);
3684 gen_move_high32(cpu_HI[acc], t2);
3685 if (rd) {
3686 gen_move_low32(cpu_gpr[rd], t2);
3687 }
3688 tcg_temp_free_i64(t2);
3689 }
3690 break;
3691 default:
3692 MIPS_INVAL("mul/madd TXx9");
3693 gen_reserved_instruction(ctx);
3694 goto out;
3695 }
3696
3697 out:
3698 tcg_temp_free(t0);
3699 tcg_temp_free(t1);
3700 }
3701
3702 static void gen_cl(DisasContext *ctx, uint32_t opc,
3703 int rd, int rs)
3704 {
3705 TCGv t0;
3706
3707 if (rd == 0) {
3708 /* Treat as NOP. */
3709 return;
3710 }
3711 t0 = cpu_gpr[rd];
3712 gen_load_gpr(t0, rs);
3713
3714 switch (opc) {
3715 case OPC_CLO:
3716 case R6_OPC_CLO:
3717 #if defined(TARGET_MIPS64)
3718 case OPC_DCLO:
3719 case R6_OPC_DCLO:
3720 #endif
3721 tcg_gen_not_tl(t0, t0);
3722 break;
3723 }
3724
3725 switch (opc) {
3726 case OPC_CLO:
3727 case R6_OPC_CLO:
3728 case OPC_CLZ:
3729 case R6_OPC_CLZ:
3730 tcg_gen_ext32u_tl(t0, t0);
3731 tcg_gen_clzi_tl(t0, t0, TARGET_LONG_BITS);
3732 tcg_gen_subi_tl(t0, t0, TARGET_LONG_BITS - 32);
3733 break;
3734 #if defined(TARGET_MIPS64)
3735 case OPC_DCLO:
3736 case R6_OPC_DCLO:
3737 case OPC_DCLZ:
3738 case R6_OPC_DCLZ:
3739 tcg_gen_clzi_i64(t0, t0, 64);
3740 break;
3741 #endif
3742 }
3743 }
3744
3745 /* Godson integer instructions */
3746 static void gen_loongson_integer(DisasContext *ctx, uint32_t opc,
3747 int rd, int rs, int rt)
3748 {
3749 TCGv t0, t1;
3750
3751 if (rd == 0) {
3752 /* Treat as NOP. */
3753 return;
3754 }
3755
3756 switch (opc) {
3757 case OPC_MULT_G_2E:
3758 case OPC_MULT_G_2F:
3759 case OPC_MULTU_G_2E:
3760 case OPC_MULTU_G_2F:
3761 #if defined(TARGET_MIPS64)
3762 case OPC_DMULT_G_2E:
3763 case OPC_DMULT_G_2F:
3764 case OPC_DMULTU_G_2E:
3765 case OPC_DMULTU_G_2F:
3766 #endif
3767 t0 = tcg_temp_new();
3768 t1 = tcg_temp_new();
3769 break;
3770 default:
3771 t0 = tcg_temp_local_new();
3772 t1 = tcg_temp_local_new();
3773 break;
3774 }
3775
3776 gen_load_gpr(t0, rs);
3777 gen_load_gpr(t1, rt);
3778
3779 switch (opc) {
3780 case OPC_MULT_G_2E:
3781 case OPC_MULT_G_2F:
3782 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1);
3783 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3784 break;
3785 case OPC_MULTU_G_2E:
3786 case OPC_MULTU_G_2F:
3787 tcg_gen_ext32u_tl(t0, t0);
3788 tcg_gen_ext32u_tl(t1, t1);
3789 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1);
3790 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3791 break;
3792 case OPC_DIV_G_2E:
3793 case OPC_DIV_G_2F:
3794 {
3795 TCGLabel *l1 = gen_new_label();
3796 TCGLabel *l2 = gen_new_label();
3797 TCGLabel *l3 = gen_new_label();
3798 tcg_gen_ext32s_tl(t0, t0);
3799 tcg_gen_ext32s_tl(t1, t1);
3800 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
3801 tcg_gen_movi_tl(cpu_gpr[rd], 0);
3802 tcg_gen_br(l3);
3803 gen_set_label(l1);
3804 tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2);
3805 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2);
3806 tcg_gen_mov_tl(cpu_gpr[rd], t0);
3807 tcg_gen_br(l3);
3808 gen_set_label(l2);
3809 tcg_gen_div_tl(cpu_gpr[rd], t0, t1);
3810 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3811 gen_set_label(l3);
3812 }
3813 break;
3814 case OPC_DIVU_G_2E:
3815 case OPC_DIVU_G_2F:
3816 {
3817 TCGLabel *l1 = gen_new_label();
3818 TCGLabel *l2 = gen_new_label();
3819 tcg_gen_ext32u_tl(t0, t0);
3820 tcg_gen_ext32u_tl(t1, t1);
3821 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
3822 tcg_gen_movi_tl(cpu_gpr[rd], 0);
3823 tcg_gen_br(l2);
3824 gen_set_label(l1);
3825 tcg_gen_divu_tl(cpu_gpr[rd], t0, t1);
3826 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3827 gen_set_label(l2);
3828 }
3829 break;
3830 case OPC_MOD_G_2E:
3831 case OPC_MOD_G_2F:
3832 {
3833 TCGLabel *l1 = gen_new_label();
3834 TCGLabel *l2 = gen_new_label();
3835 TCGLabel *l3 = gen_new_label();
3836 tcg_gen_ext32u_tl(t0, t0);
3837 tcg_gen_ext32u_tl(t1, t1);
3838 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
3839 tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2);
3840 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2);
3841 gen_set_label(l1);
3842 tcg_gen_movi_tl(cpu_gpr[rd], 0);
3843 tcg_gen_br(l3);
3844 gen_set_label(l2);
3845 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1);
3846 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3847 gen_set_label(l3);
3848 }
3849 break;
3850 case OPC_MODU_G_2E:
3851 case OPC_MODU_G_2F:
3852 {
3853 TCGLabel *l1 = gen_new_label();
3854 TCGLabel *l2 = gen_new_label();
3855 tcg_gen_ext32u_tl(t0, t0);
3856 tcg_gen_ext32u_tl(t1, t1);
3857 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
3858 tcg_gen_movi_tl(cpu_gpr[rd], 0);
3859 tcg_gen_br(l2);
3860 gen_set_label(l1);
3861 tcg_gen_remu_tl(cpu_gpr[rd], t0, t1);
3862 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
3863 gen_set_label(l2);
3864 }
3865 break;
3866 #if defined(TARGET_MIPS64)
3867 case OPC_DMULT_G_2E:
3868 case OPC_DMULT_G_2F:
3869 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1);
3870 break;
3871 case OPC_DMULTU_G_2E:
3872 case OPC_DMULTU_G_2F:
3873 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1);
3874 break;
3875 case OPC_DDIV_G_2E:
3876 case OPC_DDIV_G_2F:
3877 {
3878 TCGLabel *l1 = gen_new_label();
3879 TCGLabel *l2 = gen_new_label();
3880 TCGLabel *l3 = gen_new_label();
3881 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
3882 tcg_gen_movi_tl(cpu_gpr[rd], 0);
3883 tcg_gen_br(l3);
3884 gen_set_label(l1);
3885 tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2);
3886 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2);
3887 tcg_gen_mov_tl(cpu_gpr[rd], t0);
3888 tcg_gen_br(l3);
3889 gen_set_label(l2);
3890 tcg_gen_div_tl(cpu_gpr[rd], t0, t1);
3891 gen_set_label(l3);
3892 }
3893 break;
3894 case OPC_DDIVU_G_2E:
3895 case OPC_DDIVU_G_2F:
3896 {
3897 TCGLabel *l1 = gen_new_label();
3898 TCGLabel *l2 = gen_new_label();
3899 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
3900 tcg_gen_movi_tl(cpu_gpr[rd], 0);
3901 tcg_gen_br(l2);
3902 gen_set_label(l1);
3903 tcg_gen_divu_tl(cpu_gpr[rd], t0, t1);
3904 gen_set_label(l2);
3905 }
3906 break;
3907 case OPC_DMOD_G_2E:
3908 case OPC_DMOD_G_2F:
3909 {
3910 TCGLabel *l1 = gen_new_label();
3911 TCGLabel *l2 = gen_new_label();
3912 TCGLabel *l3 = gen_new_label();
3913 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
3914 tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2);
3915 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2);
3916 gen_set_label(l1);
3917 tcg_gen_movi_tl(cpu_gpr[rd], 0);
3918 tcg_gen_br(l3);
3919 gen_set_label(l2);
3920 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1);
3921 gen_set_label(l3);
3922 }
3923 break;
3924 case OPC_DMODU_G_2E:
3925 case OPC_DMODU_G_2F:
3926 {
3927 TCGLabel *l1 = gen_new_label();
3928 TCGLabel *l2 = gen_new_label();
3929 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
3930 tcg_gen_movi_tl(cpu_gpr[rd], 0);
3931 tcg_gen_br(l2);
3932 gen_set_label(l1);
3933 tcg_gen_remu_tl(cpu_gpr[rd], t0, t1);
3934 gen_set_label(l2);
3935 }
3936 break;
3937 #endif
3938 }
3939
3940 tcg_temp_free(t0);
3941 tcg_temp_free(t1);
3942 }
3943
3944 /* Loongson multimedia instructions */
3945 static void gen_loongson_multimedia(DisasContext *ctx, int rd, int rs, int rt)
3946 {
3947 uint32_t opc, shift_max;
3948 TCGv_i64 t0, t1;
3949 TCGCond cond;
3950
3951 opc = MASK_LMMI(ctx->opcode);
3952 switch (opc) {
3953 case OPC_ADD_CP2:
3954 case OPC_SUB_CP2:
3955 case OPC_DADD_CP2:
3956 case OPC_DSUB_CP2:
3957 t0 = tcg_temp_local_new_i64();
3958 t1 = tcg_temp_local_new_i64();
3959 break;
3960 default:
3961 t0 = tcg_temp_new_i64();
3962 t1 = tcg_temp_new_i64();
3963 break;
3964 }
3965
3966 check_cp1_enabled(ctx);
3967 gen_load_fpr64(ctx, t0, rs);
3968 gen_load_fpr64(ctx, t1, rt);
3969
3970 switch (opc) {
3971 case OPC_PADDSH:
3972 gen_helper_paddsh(t0, t0, t1);
3973 break;
3974 case OPC_PADDUSH:
3975 gen_helper_paddush(t0, t0, t1);
3976 break;
3977 case OPC_PADDH:
3978 gen_helper_paddh(t0, t0, t1);
3979 break;
3980 case OPC_PADDW:
3981 gen_helper_paddw(t0, t0, t1);
3982 break;
3983 case OPC_PADDSB:
3984 gen_helper_paddsb(t0, t0, t1);
3985 break;
3986 case OPC_PADDUSB:
3987 gen_helper_paddusb(t0, t0, t1);
3988 break;
3989 case OPC_PADDB:
3990 gen_helper_paddb(t0, t0, t1);
3991 break;
3992
3993 case OPC_PSUBSH:
3994 gen_helper_psubsh(t0, t0, t1);
3995 break;
3996 case OPC_PSUBUSH:
3997 gen_helper_psubush(t0, t0, t1);
3998 break;
3999 case OPC_PSUBH:
4000 gen_helper_psubh(t0, t0, t1);
4001 break;
4002 case OPC_PSUBW:
4003 gen_helper_psubw(t0, t0, t1);
4004 break;
4005 case OPC_PSUBSB:
4006 gen_helper_psubsb(t0, t0, t1);
4007 break;
4008 case OPC_PSUBUSB:
4009 gen_helper_psubusb(t0, t0, t1);
4010 break;
4011 case OPC_PSUBB:
4012 gen_helper_psubb(t0, t0, t1);
4013 break;
4014
4015 case OPC_PSHUFH:
4016 gen_helper_pshufh(t0, t0, t1);
4017 break;
4018 case OPC_PACKSSWH:
4019 gen_helper_packsswh(t0, t0, t1);
4020 break;
4021 case OPC_PACKSSHB:
4022 gen_helper_packsshb(t0, t0, t1);
4023 break;
4024 case OPC_PACKUSHB:
4025 gen_helper_packushb(t0, t0, t1);
4026 break;
4027
4028 case OPC_PUNPCKLHW:
4029 gen_helper_punpcklhw(t0, t0, t1);
4030 break;
4031 case OPC_PUNPCKHHW:
4032 gen_helper_punpckhhw(t0, t0, t1);
4033 break;
4034 case OPC_PUNPCKLBH:
4035 gen_helper_punpcklbh(t0, t0, t1);
4036 break;
4037 case OPC_PUNPCKHBH:
4038 gen_helper_punpckhbh(t0, t0, t1);
4039 break;
4040 case OPC_PUNPCKLWD:
4041 gen_helper_punpcklwd(t0, t0, t1);
4042 break;
4043 case OPC_PUNPCKHWD:
4044 gen_helper_punpckhwd(t0, t0, t1);
4045 break;
4046
4047 case OPC_PAVGH:
4048 gen_helper_pavgh(t0, t0, t1);
4049 break;
4050 case OPC_PAVGB:
4051 gen_helper_pavgb(t0, t0, t1);
4052 break;
4053 case OPC_PMAXSH:
4054 gen_helper_pmaxsh(t0, t0, t1);
4055 break;
4056 case OPC_PMINSH:
4057 gen_helper_pminsh(t0, t0, t1);
4058 break;
4059 case OPC_PMAXUB:
4060 gen_helper_pmaxub(t0, t0, t1);
4061 break;
4062 case OPC_PMINUB:
4063 gen_helper_pminub(t0, t0, t1);
4064 break;
4065
4066 case OPC_PCMPEQW:
4067 gen_helper_pcmpeqw(t0, t0, t1);
4068 break;
4069 case OPC_PCMPGTW:
4070 gen_helper_pcmpgtw(t0, t0, t1);
4071 break;
4072 case OPC_PCMPEQH:
4073 gen_helper_pcmpeqh(t0, t0, t1);
4074 break;
4075 case OPC_PCMPGTH:
4076 gen_helper_pcmpgth(t0, t0, t1);
4077 break;
4078 case OPC_PCMPEQB:
4079 gen_helper_pcmpeqb(t0, t0, t1);
4080 break;
4081 case OPC_PCMPGTB:
4082 gen_helper_pcmpgtb(t0, t0, t1);
4083 break;
4084
4085 case OPC_PSLLW:
4086 gen_helper_psllw(t0, t0, t1);
4087 break;
4088 case OPC_PSLLH:
4089 gen_helper_psllh(t0, t0, t1);
4090 break;
4091 case OPC_PSRLW:
4092 gen_helper_psrlw(t0, t0, t1);
4093 break;
4094 case OPC_PSRLH:
4095 gen_helper_psrlh(t0, t0, t1);
4096 break;
4097 case OPC_PSRAW:
4098 gen_helper_psraw(t0, t0, t1);
4099 break;
4100 case OPC_PSRAH:
4101 gen_helper_psrah(t0, t0, t1);
4102 break;
4103
4104 case OPC_PMULLH:
4105 gen_helper_pmullh(t0, t0, t1);
4106 break;
4107 case OPC_PMULHH:
4108 gen_helper_pmulhh(t0, t0, t1);
4109 break;
4110 case OPC_PMULHUH:
4111 gen_helper_pmulhuh(t0, t0, t1);
4112 break;
4113 case OPC_PMADDHW:
4114 gen_helper_pmaddhw(t0, t0, t1);
4115 break;
4116
4117 case OPC_PASUBUB:
4118 gen_helper_pasubub(t0, t0, t1);
4119 break;
4120 case OPC_BIADD:
4121 gen_helper_biadd(t0, t0);
4122 break;
4123 case OPC_PMOVMSKB:
4124 gen_helper_pmovmskb(t0, t0);
4125 break;
4126
4127 case OPC_PADDD:
4128 tcg_gen_add_i64(t0, t0, t1);
4129 break;
4130 case OPC_PSUBD:
4131 tcg_gen_sub_i64(t0, t0, t1);
4132 break;
4133 case OPC_XOR_CP2:
4134 tcg_gen_xor_i64(t0, t0, t1);
4135 break;
4136 case OPC_NOR_CP2:
4137 tcg_gen_nor_i64(t0, t0, t1);
4138 break;
4139 case OPC_AND_CP2:
4140 tcg_gen_and_i64(t0, t0, t1);
4141 break;
4142 case OPC_OR_CP2:
4143 tcg_gen_or_i64(t0, t0, t1);
4144 break;
4145
4146 case OPC_PANDN:
4147 tcg_gen_andc_i64(t0, t1, t0);
4148 break;
4149
4150 case OPC_PINSRH_0:
4151 tcg_gen_deposit_i64(t0, t0, t1, 0, 16);
4152 break;
4153 case OPC_PINSRH_1:
4154 tcg_gen_deposit_i64(t0, t0, t1, 16, 16);
4155 break;
4156 case OPC_PINSRH_2:
4157 tcg_gen_deposit_i64(t0, t0, t1, 32, 16);
4158 break;
4159 case OPC_PINSRH_3:
4160 tcg_gen_deposit_i64(t0, t0, t1, 48, 16);
4161 break;
4162
4163 case OPC_PEXTRH:
4164 tcg_gen_andi_i64(t1, t1, 3);
4165 tcg_gen_shli_i64(t1, t1, 4);
4166 tcg_gen_shr_i64(t0, t0, t1);
4167 tcg_gen_ext16u_i64(t0, t0);
4168 break;
4169
4170 case OPC_ADDU_CP2:
4171 tcg_gen_add_i64(t0, t0, t1);
4172 tcg_gen_ext32s_i64(t0, t0);
4173 break;
4174 case OPC_SUBU_CP2:
4175 tcg_gen_sub_i64(t0, t0, t1);
4176 tcg_gen_ext32s_i64(t0, t0);
4177 break;
4178
4179 case OPC_SLL_CP2:
4180 shift_max = 32;
4181 goto do_shift;
4182 case OPC_SRL_CP2:
4183 shift_max = 32;
4184 goto do_shift;
4185 case OPC_SRA_CP2:
4186 shift_max = 32;
4187 goto do_shift;
4188 case OPC_DSLL_CP2:
4189 shift_max = 64;
4190 goto do_shift;
4191 case OPC_DSRL_CP2:
4192 shift_max = 64;
4193 goto do_shift;
4194 case OPC_DSRA_CP2:
4195 shift_max = 64;
4196 goto do_shift;
4197 do_shift:
4198 /* Make sure shift count isn't TCG undefined behaviour. */
4199 tcg_gen_andi_i64(t1, t1, shift_max - 1);
4200
4201 switch (opc) {
4202 case OPC_SLL_CP2:
4203 case OPC_DSLL_CP2:
4204 tcg_gen_shl_i64(t0, t0, t1);
4205 break;
4206 case OPC_SRA_CP2:
4207 case OPC_DSRA_CP2:
4208 /*
4209 * Since SRA is UndefinedResult without sign-extended inputs,
4210 * we can treat SRA and DSRA the same.
4211 */
4212 tcg_gen_sar_i64(t0, t0, t1);
4213 break;
4214 case OPC_SRL_CP2:
4215 /* We want to shift in zeros for SRL; zero-extend first. */
4216 tcg_gen_ext32u_i64(t0, t0);
4217 /* FALLTHRU */
4218 case OPC_DSRL_CP2:
4219 tcg_gen_shr_i64(t0, t0, t1);
4220 break;
4221 }
4222
4223 if (shift_max == 32) {
4224 tcg_gen_ext32s_i64(t0, t0);
4225 }
4226
4227 /* Shifts larger than MAX produce zero. */
4228 tcg_gen_setcondi_i64(TCG_COND_LTU, t1, t1, shift_max);
4229 tcg_gen_neg_i64(t1, t1);
4230 tcg_gen_and_i64(t0, t0, t1);
4231 break;
4232
4233 case OPC_ADD_CP2:
4234 case OPC_DADD_CP2:
4235 {
4236 TCGv_i64 t2 = tcg_temp_new_i64();
4237 TCGLabel *lab = gen_new_label();
4238
4239 tcg_gen_mov_i64(t2, t0);
4240 tcg_gen_add_i64(t0, t1, t2);
4241 if (opc == OPC_ADD_CP2) {
4242 tcg_gen_ext32s_i64(t0, t0);
4243 }
4244 tcg_gen_xor_i64(t1, t1, t2);
4245 tcg_gen_xor_i64(t2, t2, t0);
4246 tcg_gen_andc_i64(t1, t2, t1);
4247 tcg_temp_free_i64(t2);
4248 tcg_gen_brcondi_i64(TCG_COND_GE, t1, 0, lab);
4249 generate_exception(ctx, EXCP_OVERFLOW);
4250 gen_set_label(lab);
4251 break;
4252 }
4253
4254 case OPC_SUB_CP2:
4255 case OPC_DSUB_CP2:
4256 {
4257 TCGv_i64 t2 = tcg_temp_new_i64();
4258 TCGLabel *lab = gen_new_label();
4259
4260 tcg_gen_mov_i64(t2, t0);
4261 tcg_gen_sub_i64(t0, t1, t2);
4262 if (opc == OPC_SUB_CP2) {
4263 tcg_gen_ext32s_i64(t0, t0);
4264 }
4265 tcg_gen_xor_i64(t1, t1, t2);
4266 tcg_gen_xor_i64(t2, t2, t0);
4267 tcg_gen_and_i64(t1, t1, t2);
4268 tcg_temp_free_i64(t2);
4269 tcg_gen_brcondi_i64(TCG_COND_GE, t1, 0, lab);
4270 generate_exception(ctx, EXCP_OVERFLOW);
4271 gen_set_label(lab);
4272 break;
4273 }
4274
4275 case OPC_PMULUW:
4276 tcg_gen_ext32u_i64(t0, t0);
4277 tcg_gen_ext32u_i64(t1, t1);
4278 tcg_gen_mul_i64(t0, t0, t1);
4279 break;
4280
4281 case OPC_SEQU_CP2:
4282 case OPC_SEQ_CP2:
4283 cond = TCG_COND_EQ;
4284 goto do_cc_cond;
4285 break;
4286 case OPC_SLTU_CP2:
4287 cond = TCG_COND_LTU;
4288 goto do_cc_cond;
4289 break;
4290 case OPC_SLT_CP2:
4291 cond = TCG_COND_LT;
4292 goto do_cc_cond;
4293 break;
4294 case OPC_SLEU_CP2:
4295 cond = TCG_COND_LEU;
4296 goto do_cc_cond;
4297 break;
4298 case OPC_SLE_CP2:
4299 cond = TCG_COND_LE;
4300 do_cc_cond:
4301 {
4302 int cc = (ctx->opcode >> 8) & 0x7;
4303 TCGv_i64 t64 = tcg_temp_new_i64();
4304 TCGv_i32 t32 = tcg_temp_new_i32();
4305
4306 tcg_gen_setcond_i64(cond, t64, t0, t1);
4307 tcg_gen_extrl_i64_i32(t32, t64);
4308 tcg_gen_deposit_i32(fpu_fcr31, fpu_fcr31, t32,
4309 get_fp_bit(cc), 1);
4310
4311 tcg_temp_free_i32(t32);
4312 tcg_temp_free_i64(t64);
4313 }
4314 goto no_rd;
4315 break;
4316 default:
4317 MIPS_INVAL("loongson_cp2");
4318 gen_reserved_instruction(ctx);
4319 return;
4320 }
4321
4322 gen_store_fpr64(ctx, t0, rd);
4323
4324 no_rd:
4325 tcg_temp_free_i64(t0);
4326 tcg_temp_free_i64(t1);
4327 }
4328
4329 static void gen_loongson_lswc2(DisasContext *ctx, int rt,
4330 int rs, int rd)
4331 {
4332 TCGv t0, t1, t2;
4333 TCGv_i32 fp0;
4334 #if defined(TARGET_MIPS64)
4335 int lsq_rt1 = ctx->opcode & 0x1f;
4336 int lsq_offset = sextract32(ctx->opcode, 6, 9) << 4;
4337 #endif
4338 int shf_offset = sextract32(ctx->opcode, 6, 8);
4339
4340 t0 = tcg_temp_new();
4341
4342 switch (MASK_LOONGSON_GSLSQ(ctx->opcode)) {
4343 #if defined(TARGET_MIPS64)
4344 case OPC_GSLQ:
4345 t1 = tcg_temp_new();
4346 gen_base_offset_addr(ctx, t0, rs, lsq_offset);
4347 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TEQ |
4348 ctx->default_tcg_memop_mask);
4349 gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8);
4350 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ |
4351 ctx->default_tcg_memop_mask);
4352 gen_store_gpr(t1, rt);
4353 gen_store_gpr(t0, lsq_rt1);
4354 tcg_temp_free(t1);
4355 break;
4356 case OPC_GSLQC1:
4357 check_cp1_enabled(ctx);
4358 t1 = tcg_temp_new();
4359 gen_base_offset_addr(ctx, t0, rs, lsq_offset);
4360 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TEQ |
4361 ctx->default_tcg_memop_mask);
4362 gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8);
4363 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ |
4364 ctx->default_tcg_memop_mask);
4365 gen_store_fpr64(ctx, t1, rt);
4366 gen_store_fpr64(ctx, t0, lsq_rt1);
4367 tcg_temp_free(t1);
4368 break;
4369 case OPC_GSSQ:
4370 t1 = tcg_temp_new();
4371 gen_base_offset_addr(ctx, t0, rs, lsq_offset);
4372 gen_load_gpr(t1, rt);
4373 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEQ |
4374 ctx->default_tcg_memop_mask);
4375 gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8);
4376 gen_load_gpr(t1, lsq_rt1);
4377 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEQ |
4378 ctx->default_tcg_memop_mask);
4379 tcg_temp_free(t1);
4380 break;
4381 case OPC_GSSQC1:
4382 check_cp1_enabled(ctx);
4383 t1 = tcg_temp_new();
4384 gen_base_offset_addr(ctx, t0, rs, lsq_offset);
4385 gen_load_fpr64(ctx, t1, rt);
4386 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEQ |
4387 ctx->default_tcg_memop_mask);
4388 gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8);
4389 gen_load_fpr64(ctx, t1, lsq_rt1);
4390 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEQ |
4391 ctx->default_tcg_memop_mask);
4392 tcg_temp_free(t1);
4393 break;
4394 #endif
4395 case OPC_GSSHFL:
4396 switch (MASK_LOONGSON_GSSHFLS(ctx->opcode)) {
4397 case OPC_GSLWLC1:
4398 check_cp1_enabled(ctx);
4399 gen_base_offset_addr(ctx, t0, rs, shf_offset);
4400 t1 = tcg_temp_new();
4401 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB);
4402 tcg_gen_andi_tl(t1, t0, 3);
4403 if (!cpu_is_bigendian(ctx)) {
4404 tcg_gen_xori_tl(t1, t1, 3);
4405 }
4406 tcg_gen_shli_tl(t1, t1, 3);
4407 tcg_gen_andi_tl(t0, t0, ~3);
4408 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUL);
4409 tcg_gen_shl_tl(t0, t0, t1);
4410 t2 = tcg_const_tl(-1);
4411 tcg_gen_shl_tl(t2, t2, t1);
4412 fp0 = tcg_temp_new_i32();
4413 gen_load_fpr32(ctx, fp0, rt);
4414 tcg_gen_ext_i32_tl(t1, fp0);
4415 tcg_gen_andc_tl(t1, t1, t2);
4416 tcg_temp_free(t2);
4417 tcg_gen_or_tl(t0, t0, t1);
4418 tcg_temp_free(t1);
4419 #if defined(TARGET_MIPS64)
4420 tcg_gen_extrl_i64_i32(fp0, t0);
4421 #else
4422 tcg_gen_ext32s_tl(fp0, t0);
4423 #endif
4424 gen_store_fpr32(ctx, fp0, rt);
4425 tcg_temp_free_i32(fp0);
4426 break;
4427 case OPC_GSLWRC1:
4428 check_cp1_enabled(ctx);
4429 gen_base_offset_addr(ctx, t0, rs, shf_offset);
4430 t1 = tcg_temp_new();
4431 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB);
4432 tcg_gen_andi_tl(t1, t0, 3);
4433 if (cpu_is_bigendian(ctx)) {
4434 tcg_gen_xori_tl(t1, t1, 3);
4435 }
4436 tcg_gen_shli_tl(t1, t1, 3);
4437 tcg_gen_andi_tl(t0, t0, ~3);
4438 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUL);
4439 tcg_gen_shr_tl(t0, t0, t1);
4440 tcg_gen_xori_tl(t1, t1, 31);
4441 t2 = tcg_const_tl(0xfffffffeull);
4442 tcg_gen_shl_tl(t2, t2, t1);
4443 fp0 = tcg_temp_new_i32();
4444 gen_load_fpr32(ctx, fp0, rt);
4445 tcg_gen_ext_i32_tl(t1, fp0);
4446 tcg_gen_and_tl(t1, t1, t2);
4447 tcg_temp_free(t2);
4448 tcg_gen_or_tl(t0, t0, t1);
4449 tcg_temp_free(t1);
4450 #if defined(TARGET_MIPS64)
4451 tcg_gen_extrl_i64_i32(fp0, t0);
4452 #else
4453 tcg_gen_ext32s_tl(fp0, t0);
4454 #endif
4455 gen_store_fpr32(ctx, fp0, rt);
4456 tcg_temp_free_i32(fp0);
4457 break;
4458 #if defined(TARGET_MIPS64)
4459 case OPC_GSLDLC1:
4460 check_cp1_enabled(ctx);
4461 gen_base_offset_addr(ctx, t0, rs, shf_offset);
4462 t1 = tcg_temp_new();
4463 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB);
4464 tcg_gen_andi_tl(t1, t0, 7);
4465 if (!cpu_is_bigendian(ctx)) {
4466 tcg_gen_xori_tl(t1, t1, 7);
4467 }
4468 tcg_gen_shli_tl(t1, t1, 3);
4469 tcg_gen_andi_tl(t0, t0, ~7);
4470 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ);
4471 tcg_gen_shl_tl(t0, t0, t1);
4472 t2 = tcg_const_tl(-1);
4473 tcg_gen_shl_tl(t2, t2, t1);
4474 gen_load_fpr64(ctx, t1, rt);
4475 tcg_gen_andc_tl(t1, t1, t2);
4476 tcg_temp_free(t2);
4477 tcg_gen_or_tl(t0, t0, t1);
4478 tcg_temp_free(t1);
4479 gen_store_fpr64(ctx, t0, rt);
4480 break;
4481 case OPC_GSLDRC1:
4482 check_cp1_enabled(ctx);
4483 gen_base_offset_addr(ctx, t0, rs, shf_offset);
4484 t1 = tcg_temp_new();
4485 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB);
4486 tcg_gen_andi_tl(t1, t0, 7);
4487 if (cpu_is_bigendian(ctx)) {
4488 tcg_gen_xori_tl(t1, t1, 7);
4489 }
4490 tcg_gen_shli_tl(t1, t1, 3);
4491 tcg_gen_andi_tl(t0, t0, ~7);
4492 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ);
4493 tcg_gen_shr_tl(t0, t0, t1);
4494 tcg_gen_xori_tl(t1, t1, 63);
4495 t2 = tcg_const_tl(0xfffffffffffffffeull);
4496 tcg_gen_shl_tl(t2, t2, t1);
4497 gen_load_fpr64(ctx, t1, rt);
4498 tcg_gen_and_tl(t1, t1, t2);
4499 tcg_temp_free(t2);
4500 tcg_gen_or_tl(t0, t0, t1);
4501 tcg_temp_free(t1);
4502 gen_store_fpr64(ctx, t0, rt);
4503 break;
4504 #endif
4505 default:
4506 MIPS_INVAL("loongson_gsshfl");
4507 gen_reserved_instruction(ctx);
4508 break;
4509 }
4510 break;
4511 case OPC_GSSHFS:
4512 switch (MASK_LOONGSON_GSSHFLS(ctx->opcode)) {
4513 case OPC_GSSWLC1:
4514 check_cp1_enabled(ctx);
4515 t1 = tcg_temp_new();
4516 gen_base_offset_addr(ctx, t0, rs, shf_offset);
4517 fp0 = tcg_temp_new_i32();
4518 gen_load_fpr32(ctx, fp0, rt);
4519 tcg_gen_ext_i32_tl(t1, fp0);
4520 gen_helper_0e2i(swl, t1, t0, ctx->mem_idx);
4521 tcg_temp_free_i32(fp0);
4522 tcg_temp_free(t1);
4523 break;
4524 case OPC_GSSWRC1:
4525 check_cp1_enabled(ctx);
4526 t1 = tcg_temp_new();
4527 gen_base_offset_addr(ctx, t0, rs, shf_offset);
4528 fp0 = tcg_temp_new_i32();
4529 gen_load_fpr32(ctx, fp0, rt);
4530 tcg_gen_ext_i32_tl(t1, fp0);
4531 gen_helper_0e2i(swr, t1, t0, ctx->mem_idx);
4532 tcg_temp_free_i32(fp0);
4533 tcg_temp_free(t1);
4534 break;
4535 #if defined(TARGET_MIPS64)
4536 case OPC_GSSDLC1:
4537 check_cp1_enabled(ctx);
4538 t1 = tcg_temp_new();
4539 gen_base_offset_addr(ctx, t0, rs, shf_offset);
4540 gen_load_fpr64(ctx, t1, rt);
4541 gen_helper_0e2i(sdl, t1, t0, ctx->mem_idx);
4542 tcg_temp_free(t1);
4543 break;
4544 case OPC_GSSDRC1:
4545 check_cp1_enabled(ctx);
4546 t1 = tcg_temp_new();
4547 gen_base_offset_addr(ctx, t0, rs, shf_offset);
4548 gen_load_fpr64(ctx, t1, rt);
4549 gen_helper_0e2i(sdr, t1, t0, ctx->mem_idx);
4550 tcg_temp_free(t1);
4551 break;
4552 #endif
4553 default:
4554 MIPS_INVAL("loongson_gsshfs");
4555 gen_reserved_instruction(ctx);
4556 break;
4557 }
4558 break;
4559 default:
4560 MIPS_INVAL("loongson_gslsq");
4561 gen_reserved_instruction(ctx);
4562 break;
4563 }
4564 tcg_temp_free(t0);
4565 }
4566
4567 /* Loongson EXT LDC2/SDC2 */
4568 static void gen_loongson_lsdc2(DisasContext *ctx, int rt,
4569 int rs, int rd)
4570 {
4571 int offset = sextract32(ctx->opcode, 3, 8);
4572 uint32_t opc = MASK_LOONGSON_LSDC2(ctx->opcode);
4573 TCGv t0, t1;
4574 TCGv_i32 fp0;
4575
4576 /* Pre-conditions */
4577 switch (opc) {
4578 case OPC_GSLBX:
4579 case OPC_GSLHX:
4580 case OPC_GSLWX:
4581 case OPC_GSLDX:
4582 /* prefetch, implement as NOP */
4583 if (rt == 0) {
4584 return;
4585 }
4586 break;
4587 case OPC_GSSBX:
4588 case OPC_GSSHX:
4589 case OPC_GSSWX:
4590 case OPC_GSSDX:
4591 break;
4592 case OPC_GSLWXC1:
4593 #if defined(TARGET_MIPS64)
4594 case OPC_GSLDXC1:
4595 #endif
4596 check_cp1_enabled(ctx);
4597 /* prefetch, implement as NOP */
4598 if (rt == 0) {
4599 return;
4600 }
4601 break;
4602 case OPC_GSSWXC1:
4603 #if defined(TARGET_MIPS64)
4604 case OPC_GSSDXC1:
4605 #endif
4606 check_cp1_enabled(ctx);
4607 break;
4608 default:
4609 MIPS_INVAL("loongson_lsdc2");
4610 gen_reserved_instruction(ctx);
4611 return;
4612 break;
4613 }
4614
4615 t0 = tcg_temp_new();
4616
4617 gen_base_offset_addr(ctx, t0, rs, offset);
4618 gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0);
4619
4620 switch (opc) {
4621 case OPC_GSLBX:
4622 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_SB);
4623 gen_store_gpr(t0, rt);
4624 break;
4625 case OPC_GSLHX:
4626 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESW |
4627 ctx->default_tcg_memop_mask);
4628 gen_store_gpr(t0, rt);
4629 break;
4630 case OPC_GSLWX:
4631 gen_base_offset_addr(ctx, t0, rs, offset);
4632 if (rd) {
4633 gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0);
4634 }
4635 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESL |
4636 ctx->default_tcg_memop_mask);
4637 gen_store_gpr(t0, rt);
4638 break;
4639 #if defined(TARGET_MIPS64)
4640 case OPC_GSLDX:
4641 gen_base_offset_addr(ctx, t0, rs, offset);
4642 if (rd) {
4643 gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0);
4644 }
4645 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ |
4646 ctx->default_tcg_memop_mask);
4647 gen_store_gpr(t0, rt);
4648 break;
4649 #endif
4650 case OPC_GSLWXC1:
4651 gen_base_offset_addr(ctx, t0, rs, offset);
4652 if (rd) {
4653 gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0);
4654 }
4655 fp0 = tcg_temp_new_i32();
4656 tcg_gen_qemu_ld_i32(fp0, t0, ctx->mem_idx, MO_TESL |
4657 ctx->default_tcg_memop_mask);
4658 gen_store_fpr32(ctx, fp0, rt);
4659 tcg_temp_free_i32(fp0);
4660 break;
4661 #if defined(TARGET_MIPS64)
4662 case OPC_GSLDXC1:
4663 gen_base_offset_addr(ctx, t0, rs, offset);
4664 if (rd) {
4665 gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0);
4666 }
4667 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ |
4668 ctx->default_tcg_memop_mask);
4669 gen_store_fpr64(ctx, t0, rt);
4670 break;
4671 #endif
4672 case OPC_GSSBX:
4673 t1 = tcg_temp_new();
4674 gen_load_gpr(t1, rt);
4675 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_SB);
4676 tcg_temp_free(t1);
4677 break;
4678 case OPC_GSSHX:
4679 t1 = tcg_temp_new();
4680 gen_load_gpr(t1, rt);
4681 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUW |
4682 ctx->default_tcg_memop_mask);
4683 tcg_temp_free(t1);
4684 break;
4685 case OPC_GSSWX:
4686 t1 = tcg_temp_new();
4687 gen_load_gpr(t1, rt);
4688 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUL |
4689 ctx->default_tcg_memop_mask);
4690 tcg_temp_free(t1);
4691 break;
4692 #if defined(TARGET_MIPS64)
4693 case OPC_GSSDX:
4694 t1 = tcg_temp_new();
4695 gen_load_gpr(t1, rt);
4696 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEQ |
4697 ctx->default_tcg_memop_mask);
4698 tcg_temp_free(t1);
4699 break;
4700 #endif
4701 case OPC_GSSWXC1:
4702 fp0 = tcg_temp_new_i32();
4703 gen_load_fpr32(ctx, fp0, rt);
4704 tcg_gen_qemu_st_i32(fp0, t0, ctx->mem_idx, MO_TEUL |
4705 ctx->default_tcg_memop_mask);
4706 tcg_temp_free_i32(fp0);
4707 break;
4708 #if defined(TARGET_MIPS64)
4709 case OPC_GSSDXC1:
4710 t1 = tcg_temp_new();
4711 gen_load_fpr64(ctx, t1, rt);
4712 tcg_gen_qemu_st_i64(t1, t0, ctx->mem_idx, MO_TEQ |
4713 ctx->default_tcg_memop_mask);
4714 tcg_temp_free(t1);
4715 break;
4716 #endif
4717 default:
4718 break;
4719 }
4720
4721 tcg_temp_free(t0);
4722 }
4723
4724 /* Traps */
4725 static void gen_trap(DisasContext *ctx, uint32_t opc,
4726 int rs, int rt, int16_t imm)
4727 {
4728 int cond;
4729 TCGv t0 = tcg_temp_new();
4730 TCGv t1 = tcg_temp_new();
4731
4732 cond = 0;
4733 /* Load needed operands */
4734 switch (opc) {
4735 case OPC_TEQ:
4736 case OPC_TGE:
4737 case OPC_TGEU:
4738 case OPC_TLT:
4739 case OPC_TLTU:
4740 case OPC_TNE:
4741 /* Compare two registers */
4742 if (rs != rt) {
4743 gen_load_gpr(t0, rs);
4744 gen_load_gpr(t1, rt);
4745 cond = 1;
4746 }
4747 break;
4748 case OPC_TEQI:
4749 case OPC_TGEI:
4750 case OPC_TGEIU:
4751 case OPC_TLTI:
4752 case OPC_TLTIU:
4753 case OPC_TNEI:
4754 /* Compare register to immediate */
4755 if (rs != 0 || imm != 0) {
4756 gen_load_gpr(t0, rs);
4757 tcg_gen_movi_tl(t1, (int32_t)imm);
4758 cond = 1;
4759 }
4760 break;
4761 }
4762 if (cond == 0) {
4763 switch (opc) {
4764 case OPC_TEQ: /* rs == rs */
4765 case OPC_TEQI: /* r0 == 0 */
4766 case OPC_TGE: /* rs >= rs */
4767 case OPC_TGEI: /* r0 >= 0 */
4768 case OPC_TGEU: /* rs >= rs unsigned */
4769 case OPC_TGEIU: /* r0 >= 0 unsigned */
4770 /* Always trap */
4771 generate_exception_end(ctx, EXCP_TRAP);
4772 break;
4773 case OPC_TLT: /* rs < rs */
4774 case OPC_TLTI: /* r0 < 0 */
4775 case OPC_TLTU: /* rs < rs unsigned */
4776 case OPC_TLTIU: /* r0 < 0 unsigned */
4777 case OPC_TNE: /* rs != rs */
4778 case OPC_TNEI: /* r0 != 0 */
4779 /* Never trap: treat as NOP. */
4780 break;
4781 }
4782 } else {
4783 TCGLabel *l1 = gen_new_label();
4784
4785 switch (opc) {
4786 case OPC_TEQ:
4787 case OPC_TEQI:
4788 tcg_gen_brcond_tl(TCG_COND_NE, t0, t1, l1);
4789 break;
4790 case OPC_TGE:
4791 case OPC_TGEI:
4792 tcg_gen_brcond_tl(TCG_COND_LT, t0, t1, l1);
4793 break;
4794 case OPC_TGEU:
4795 case OPC_TGEIU:
4796 tcg_gen_brcond_tl(TCG_COND_LTU, t0, t1, l1);
4797 break;
4798 case OPC_TLT:
4799 case OPC_TLTI:
4800 tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1);
4801 break;
4802 case OPC_TLTU:
4803 case OPC_TLTIU:
4804 tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1);
4805 break;
4806 case OPC_TNE:
4807 case OPC_TNEI:
4808 tcg_gen_brcond_tl(TCG_COND_EQ, t0, t1, l1);
4809 break;
4810 }
4811 generate_exception(ctx, EXCP_TRAP);
4812 gen_set_label(l1);
4813 }
4814 tcg_temp_free(t0);
4815 tcg_temp_free(t1);
4816 }
4817
4818 static void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
4819 {
4820 if (translator_use_goto_tb(&ctx->base, dest)) {
4821 tcg_gen_goto_tb(n);
4822 gen_save_pc(dest);
4823 tcg_gen_exit_tb(ctx->base.tb, n);
4824 } else {
4825 gen_save_pc(dest);
4826 tcg_gen_lookup_and_goto_ptr();
4827 }
4828 }
4829
4830 /* Branches (before delay slot) */
4831 static void gen_compute_branch(DisasContext *ctx, uint32_t opc,
4832 int insn_bytes,
4833 int rs, int rt, int32_t offset,
4834 int delayslot_size)
4835 {
4836 target_ulong btgt = -1;
4837 int blink = 0;
4838 int bcond_compute = 0;
4839 TCGv t0 = tcg_temp_new();
4840 TCGv t1 = tcg_temp_new();
4841
4842 if (ctx->hflags & MIPS_HFLAG_BMASK) {
4843 #ifdef MIPS_DEBUG_DISAS
4844 LOG_DISAS("Branch in delay / forbidden slot at PC 0x"
4845 TARGET_FMT_lx "\n", ctx->base.pc_next);
4846 #endif
4847 gen_reserved_instruction(ctx);
4848 goto out;
4849 }
4850
4851 /* Load needed operands */
4852 switch (opc) {
4853 case OPC_BEQ:
4854 case OPC_BEQL:
4855 case OPC_BNE:
4856 case OPC_BNEL:
4857 /* Compare two registers */
4858 if (rs != rt) {
4859 gen_load_gpr(t0, rs);
4860 gen_load_gpr(t1, rt);
4861 bcond_compute = 1;
4862 }
4863 btgt = ctx->base.pc_next + insn_bytes + offset;
4864 break;
4865 case OPC_BGEZ:
4866 case OPC_BGEZAL:
4867 case OPC_BGEZALL:
4868 case OPC_BGEZL:
4869 case OPC_BGTZ:
4870 case OPC_BGTZL:
4871 case OPC_BLEZ:
4872 case OPC_BLEZL:
4873 case OPC_BLTZ:
4874 case OPC_BLTZAL:
4875 case OPC_BLTZALL:
4876 case OPC_BLTZL:
4877 /* Compare to zero */
4878 if (rs != 0) {
4879 gen_load_gpr(t0, rs);
4880 bcond_compute = 1;
4881 }
4882 btgt = ctx->base.pc_next + insn_bytes + offset;
4883 break;
4884 case OPC_BPOSGE32:
4885 #if defined(TARGET_MIPS64)
4886 case OPC_BPOSGE64:
4887 tcg_gen_andi_tl(t0, cpu_dspctrl, 0x7F);
4888 #else
4889 tcg_gen_andi_tl(t0, cpu_dspctrl, 0x3F);
4890 #endif
4891 bcond_compute = 1;
4892 btgt = ctx->base.pc_next + insn_bytes + offset;
4893 break;
4894 case OPC_J:
4895 case OPC_JAL:
4896 case OPC_JALX:
4897 /* Jump to immediate */
4898 btgt = ((ctx->base.pc_next + insn_bytes) & (int32_t)0xF0000000) |
4899 (uint32_t)offset;
4900 break;
4901 case OPC_JR:
4902 case OPC_JALR:
4903 /* Jump to register */
4904 if (offset != 0 && offset != 16) {
4905 /*
4906 * Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the
4907 * others are reserved.
4908 */
4909 MIPS_INVAL("jump hint");
4910 gen_reserved_instruction(ctx);
4911 goto out;
4912 }
4913 gen_load_gpr(btarget, rs);
4914 break;
4915 default:
4916 MIPS_INVAL("branch/jump");
4917 gen_reserved_instruction(ctx);
4918 goto out;
4919 }
4920 if (bcond_compute == 0) {
4921 /* No condition to be computed */
4922 switch (opc) {
4923 case OPC_BEQ: /* rx == rx */
4924 case OPC_BEQL: /* rx == rx likely */
4925 case OPC_BGEZ: /* 0 >= 0 */
4926 case OPC_BGEZL: /* 0 >= 0 likely */
4927 case OPC_BLEZ: /* 0 <= 0 */
4928 case OPC_BLEZL: /* 0 <= 0 likely */
4929 /* Always take */
4930 ctx->hflags |= MIPS_HFLAG_B;
4931 break;
4932 case OPC_BGEZAL: /* 0 >= 0 */
4933 case OPC_BGEZALL: /* 0 >= 0 likely */
4934 /* Always take and link */
4935 blink = 31;
4936 ctx->hflags |= MIPS_HFLAG_B;
4937 break;
4938 case OPC_BNE: /* rx != rx */
4939 case OPC_BGTZ: /* 0 > 0 */
4940 case OPC_BLTZ: /* 0 < 0 */
4941 /* Treat as NOP. */
4942 goto out;
4943 case OPC_BLTZAL: /* 0 < 0 */
4944 /*
4945 * Handle as an unconditional branch to get correct delay
4946 * slot checking.
4947 */
4948 blink = 31;
4949 btgt = ctx->base.pc_next + insn_bytes + delayslot_size;
4950 ctx->hflags |= MIPS_HFLAG_B;
4951 break;
4952 case OPC_BLTZALL: /* 0 < 0 likely */
4953 tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 8);
4954 /* Skip the instruction in the delay slot */
4955 ctx->base.pc_next += 4;
4956 goto out;
4957 case OPC_BNEL: /* rx != rx likely */
4958 case OPC_BGTZL: /* 0 > 0 likely */
4959 case OPC_BLTZL: /* 0 < 0 likely */
4960 /* Skip the instruction in the delay slot */
4961 ctx->base.pc_next += 4;
4962 goto out;
4963 case OPC_J:
4964 ctx->hflags |= MIPS_HFLAG_B;
4965 break;
4966 case OPC_JALX:
4967 ctx->hflags |= MIPS_HFLAG_BX;
4968 /* Fallthrough */
4969 case OPC_JAL:
4970 blink = 31;
4971 ctx->hflags |= MIPS_HFLAG_B;
4972 break;
4973 case OPC_JR:
4974 ctx->hflags |= MIPS_HFLAG_BR;
4975 break;
4976 case OPC_JALR:
4977 blink = rt;
4978 ctx->hflags |= MIPS_HFLAG_BR;
4979 break;
4980 default:
4981 MIPS_INVAL("branch/jump");
4982 gen_reserved_instruction(ctx);
4983 goto out;
4984 }
4985 } else {
4986 switch (opc) {
4987 case OPC_BEQ:
4988 tcg_gen_setcond_tl(TCG_COND_EQ, bcond, t0, t1);
4989 goto not_likely;
4990 case OPC_BEQL:
4991 tcg_gen_setcond_tl(TCG_COND_EQ, bcond, t0, t1);
4992 goto likely;
4993 case OPC_BNE:
4994 tcg_gen_setcond_tl(TCG_COND_NE, bcond, t0, t1);
4995 goto not_likely;
4996 case OPC_BNEL:
4997 tcg_gen_setcond_tl(TCG_COND_NE, bcond, t0, t1);
4998 goto likely;
4999 case OPC_BGEZ:
5000 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
5001 goto not_likely;
5002 case OPC_BGEZL:
5003 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
5004 goto likely;
5005 case OPC_BGEZAL:
5006 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
5007 blink = 31;
5008 goto not_likely;
5009 case OPC_BGEZALL:
5010 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
5011 blink = 31;
5012 goto likely;
5013 case OPC_BGTZ:
5014 tcg_gen_setcondi_tl(TCG_COND_GT, bcond, t0, 0);
5015 goto not_likely;
5016 case OPC_BGTZL:
5017 tcg_gen_setcondi_tl(TCG_COND_GT, bcond, t0, 0);
5018 goto likely;
5019 case OPC_BLEZ:
5020 tcg_gen_setcondi_tl(TCG_COND_LE, bcond, t0, 0);
5021 goto not_likely;
5022 case OPC_BLEZL:
5023 tcg_gen_setcondi_tl(TCG_COND_LE, bcond, t0, 0);
5024 goto likely;
5025 case OPC_BLTZ:
5026 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
5027 goto not_likely;
5028 case OPC_BLTZL:
5029 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
5030 goto likely;
5031 case OPC_BPOSGE32:
5032 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 32);
5033 goto not_likely;
5034 #if defined(TARGET_MIPS64)
5035 case OPC_BPOSGE64:
5036 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 64);
5037 goto not_likely;
5038 #endif
5039 case OPC_BLTZAL:
5040 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
5041 blink = 31;
5042 not_likely:
5043 ctx->hflags |= MIPS_HFLAG_BC;
5044 break;
5045 case OPC_BLTZALL:
5046 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
5047 blink = 31;
5048 likely:
5049 ctx->hflags |= MIPS_HFLAG_BL;
5050 break;
5051 default:
5052 MIPS_INVAL("conditional branch/jump");
5053 gen_reserved_instruction(ctx);
5054 goto out;
5055 }
5056 }
5057
5058 ctx->btarget = btgt;
5059
5060 switch (delayslot_size) {
5061 case 2:
5062 ctx->hflags |= MIPS_HFLAG_BDS16;
5063 break;
5064 case 4:
5065 ctx->hflags |= MIPS_HFLAG_BDS32;
5066 break;
5067 }
5068
5069 if (blink > 0) {
5070 int post_delay = insn_bytes + delayslot_size;
5071 int lowbit = !!(ctx->hflags & MIPS_HFLAG_M16);
5072
5073 tcg_gen_movi_tl(cpu_gpr[blink],
5074 ctx->base.pc_next + post_delay + lowbit);
5075 }
5076
5077 out:
5078 if (insn_bytes == 2) {
5079 ctx->hflags |= MIPS_HFLAG_B16;
5080 }
5081 tcg_temp_free(t0);
5082 tcg_temp_free(t1);
5083 }
5084
5085
5086 /* special3 bitfield operations */
5087 static void gen_bitops(DisasContext *ctx, uint32_t opc, int rt,
5088 int rs, int lsb, int msb)
5089 {
5090 TCGv t0 = tcg_temp_new();
5091 TCGv t1 = tcg_temp_new();
5092
5093 gen_load_gpr(t1, rs);
5094 switch (opc) {
5095 case OPC_EXT:
5096 if (lsb + msb > 31) {
5097 goto fail;
5098 }
5099 if (msb != 31) {
5100 tcg_gen_extract_tl(t0, t1, lsb, msb + 1);
5101 } else {
5102 /*
5103 * The two checks together imply that lsb == 0,
5104 * so this is a simple sign-extension.
5105 */
5106 tcg_gen_ext32s_tl(t0, t1);
5107 }
5108 break;
5109 #if defined(TARGET_MIPS64)
5110 case OPC_DEXTU:
5111 lsb += 32;
5112 goto do_dext;
5113 case OPC_DEXTM:
5114 msb += 32;
5115 goto do_dext;
5116 case OPC_DEXT:
5117 do_dext:
5118 if (lsb + msb > 63) {
5119 goto fail;
5120 }
5121 tcg_gen_extract_tl(t0, t1, lsb, msb + 1);
5122 break;
5123 #endif
5124 case OPC_INS:
5125 if (lsb > msb) {
5126 goto fail;
5127 }
5128 gen_load_gpr(t0, rt);
5129 tcg_gen_deposit_tl(t0, t0, t1, lsb, msb - lsb + 1);
5130 tcg_gen_ext32s_tl(t0, t0);
5131 break;
5132 #if defined(TARGET_MIPS64)
5133 case OPC_DINSU:
5134 lsb += 32;
5135 /* FALLTHRU */
5136 case OPC_DINSM:
5137 msb += 32;
5138 /* FALLTHRU */
5139 case OPC_DINS:
5140 if (lsb > msb) {
5141 goto fail;
5142 }
5143 gen_load_gpr(t0, rt);
5144 tcg_gen_deposit_tl(t0, t0, t1, lsb, msb - lsb + 1);
5145 break;
5146 #endif
5147 default:
5148 fail:
5149 MIPS_INVAL("bitops");
5150 gen_reserved_instruction(ctx);
5151 tcg_temp_free(t0);
5152 tcg_temp_free(t1);
5153 return;
5154 }
5155 gen_store_gpr(t0, rt);
5156 tcg_temp_free(t0);
5157 tcg_temp_free(t1);
5158 }
5159
5160 static void gen_bshfl(DisasContext *ctx, uint32_t op2, int rt, int rd)
5161 {
5162 TCGv t0;
5163
5164 if (rd == 0) {
5165 /* If no destination, treat it as a NOP. */
5166 return;
5167 }
5168
5169 t0 = tcg_temp_new();
5170 gen_load_gpr(t0, rt);
5171 switch (op2) {
5172 case OPC_WSBH:
5173 {
5174 TCGv t1 = tcg_temp_new();
5175 TCGv t2 = tcg_const_tl(0x00FF00FF);
5176
5177 tcg_gen_shri_tl(t1, t0, 8);
5178 tcg_gen_and_tl(t1, t1, t2);
5179 tcg_gen_and_tl(t0, t0, t2);
5180 tcg_gen_shli_tl(t0, t0, 8);
5181 tcg_gen_or_tl(t0, t0, t1);
5182 tcg_temp_free(t2);
5183 tcg_temp_free(t1);
5184 tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
5185 }
5186 break;
5187 case OPC_SEB:
5188 tcg_gen_ext8s_tl(cpu_gpr[rd], t0);
5189 break;
5190 case OPC_SEH:
5191 tcg_gen_ext16s_tl(cpu_gpr[rd], t0);
5192 break;
5193 #if defined(TARGET_MIPS64)
5194 case OPC_DSBH:
5195 {
5196 TCGv t1 = tcg_temp_new();
5197 TCGv t2 = tcg_const_tl(0x00FF00FF00FF00FFULL);
5198
5199 tcg_gen_shri_tl(t1, t0, 8);
5200 tcg_gen_and_tl(t1, t1, t2);
5201 tcg_gen_and_tl(t0, t0, t2);
5202 tcg_gen_shli_tl(t0, t0, 8);
5203 tcg_gen_or_tl(cpu_gpr[rd], t0, t1);
5204 tcg_temp_free(t2);
5205 tcg_temp_free(t1);
5206 }
5207 break;
5208 case OPC_DSHD:
5209 {
5210 TCGv t1 = tcg_temp_new();
5211 TCGv t2 = tcg_const_tl(0x0000FFFF0000FFFFULL);
5212
5213 tcg_gen_shri_tl(t1, t0, 16);
5214 tcg_gen_and_tl(t1, t1, t2);
5215 tcg_gen_and_tl(t0, t0, t2);
5216 tcg_gen_shli_tl(t0, t0, 16);
5217 tcg_gen_or_tl(t0, t0, t1);
5218 tcg_gen_shri_tl(t1, t0, 32);
5219 tcg_gen_shli_tl(t0, t0, 32);
5220 tcg_gen_or_tl(cpu_gpr[rd], t0, t1);
5221 tcg_temp_free(t2);
5222 tcg_temp_free(t1);
5223 }
5224 break;
5225 #endif
5226 default:
5227 MIPS_INVAL("bsfhl");
5228 gen_reserved_instruction(ctx);
5229 tcg_temp_free(t0);
5230 return;
5231 }
5232 tcg_temp_free(t0);
5233 }
5234
5235 static void gen_align_bits(DisasContext *ctx, int wordsz, int rd, int rs,
5236 int rt, int bits)
5237 {
5238 TCGv t0;
5239 if (rd == 0) {
5240 /* Treat as NOP. */
5241 return;
5242 }
5243 t0 = tcg_temp_new();
5244 if (bits == 0 || bits == wordsz) {
5245 if (bits == 0) {
5246 gen_load_gpr(t0, rt);
5247 } else {
5248 gen_load_gpr(t0, rs);
5249 }
5250 switch (wordsz) {
5251 case 32:
5252 tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
5253 break;
5254 #if defined(TARGET_MIPS64)
5255 case 64:
5256 tcg_gen_mov_tl(cpu_gpr[rd], t0);
5257 break;
5258 #endif
5259 }
5260 } else {
5261 TCGv t1 = tcg_temp_new();
5262 gen_load_gpr(t0, rt);
5263 gen_load_gpr(t1, rs);
5264 switch (wordsz) {
5265 case 32:
5266 {
5267 TCGv_i64 t2 = tcg_temp_new_i64();
5268 tcg_gen_concat_tl_i64(t2, t1, t0);
5269 tcg_gen_shri_i64(t2, t2, 32 - bits);
5270 gen_move_low32(cpu_gpr[rd], t2);
5271 tcg_temp_free_i64(t2);
5272 }
5273 break;
5274 #if defined(TARGET_MIPS64)
5275 case 64:
5276 tcg_gen_shli_tl(t0, t0, bits);
5277 tcg_gen_shri_tl(t1, t1, 64 - bits);
5278 tcg_gen_or_tl(cpu_gpr[rd], t1, t0);
5279 break;
5280 #endif
5281 }
5282 tcg_temp_free(t1);
5283 }
5284
5285 tcg_temp_free(t0);
5286 }
5287
5288 void gen_align(DisasContext *ctx, int wordsz, int rd, int rs, int rt, int bp)
5289 {
5290 gen_align_bits(ctx, wordsz, rd, rs, rt, bp * 8);
5291 }
5292
5293 static void gen_bitswap(DisasContext *ctx, int opc, int rd, int rt)
5294 {
5295 TCGv t0;
5296 if (rd == 0) {
5297 /* Treat as NOP. */
5298 return;
5299 }
5300 t0 = tcg_temp_new();
5301 gen_load_gpr(t0, rt);
5302 switch (opc) {
5303 case OPC_BITSWAP:
5304 gen_helper_bitswap(cpu_gpr[rd], t0);
5305 break;
5306 #if defined(TARGET_MIPS64)
5307 case OPC_DBITSWAP:
5308 gen_helper_dbitswap(cpu_gpr[rd], t0);
5309 break;
5310 #endif
5311 }
5312 tcg_temp_free(t0);
5313 }
5314
5315 #ifndef CONFIG_USER_ONLY
5316 /* CP0 (MMU and control) */
5317 static inline void gen_mthc0_entrylo(TCGv arg, target_ulong off)
5318 {
5319 TCGv_i64 t0 = tcg_temp_new_i64();
5320 TCGv_i64 t1 = tcg_temp_new_i64();
5321
5322 tcg_gen_ext_tl_i64(t0, arg);
5323 tcg_gen_ld_i64(t1, cpu_env, off);
5324 #if defined(TARGET_MIPS64)
5325 tcg_gen_deposit_i64(t1, t1, t0, 30, 32);
5326 #else
5327 tcg_gen_concat32_i64(t1, t1, t0);
5328 #endif
5329 tcg_gen_st_i64(t1, cpu_env, off);
5330 tcg_temp_free_i64(t1);
5331 tcg_temp_free_i64(t0);
5332 }
5333
5334 static inline void gen_mthc0_store64(TCGv arg, target_ulong off)
5335 {
5336 TCGv_i64 t0 = tcg_temp_new_i64();
5337 TCGv_i64 t1 = tcg_temp_new_i64();
5338
5339 tcg_gen_ext_tl_i64(t0, arg);
5340 tcg_gen_ld_i64(t1, cpu_env, off);
5341 tcg_gen_concat32_i64(t1, t1, t0);
5342 tcg_gen_st_i64(t1, cpu_env, off);
5343 tcg_temp_free_i64(t1);
5344 tcg_temp_free_i64(t0);
5345 }
5346
5347 static inline void gen_mfhc0_entrylo(TCGv arg, target_ulong off)
5348 {
5349 TCGv_i64 t0 = tcg_temp_new_i64();
5350
5351 tcg_gen_ld_i64(t0, cpu_env, off);
5352 #if defined(TARGET_MIPS64)
5353 tcg_gen_shri_i64(t0, t0, 30);
5354 #else
5355 tcg_gen_shri_i64(t0, t0, 32);
5356 #endif
5357 gen_move_low32(arg, t0);
5358 tcg_temp_free_i64(t0);
5359 }
5360
5361 static inline void gen_mfhc0_load64(TCGv arg, target_ulong off, int shift)
5362 {
5363 TCGv_i64 t0 = tcg_temp_new_i64();
5364
5365 tcg_gen_ld_i64(t0, cpu_env, off);
5366 tcg_gen_shri_i64(t0, t0, 32 + shift);
5367 gen_move_low32(arg, t0);
5368 tcg_temp_free_i64(t0);
5369 }
5370
5371 static inline void gen_mfc0_load32(TCGv arg, target_ulong off)
5372 {
5373 TCGv_i32 t0 = tcg_temp_new_i32();
5374
5375 tcg_gen_ld_i32(t0, cpu_env, off);
5376 tcg_gen_ext_i32_tl(arg, t0);
5377 tcg_temp_free_i32(t0);
5378 }
5379
5380 static inline void gen_mfc0_load64(TCGv arg, target_ulong off)
5381 {
5382 tcg_gen_ld_tl(arg, cpu_env, off);
5383 tcg_gen_ext32s_tl(arg, arg);
5384 }
5385
5386 static inline void gen_mtc0_store32(TCGv arg, target_ulong off)
5387 {
5388 TCGv_i32 t0 = tcg_temp_new_i32();
5389
5390 tcg_gen_trunc_tl_i32(t0, arg);
5391 tcg_gen_st_i32(t0, cpu_env, off);
5392 tcg_temp_free_i32(t0);
5393 }
5394
5395 #define CP0_CHECK(c) \
5396 do { \
5397 if (!(c)) { \
5398 goto cp0_unimplemented; \
5399 } \
5400 } while (0)
5401
5402 static void gen_mfhc0(DisasContext *ctx, TCGv arg, int reg, int sel)
5403 {
5404 const char *register_name = "invalid";
5405
5406 switch (reg) {
5407 case CP0_REGISTER_02:
5408 switch (sel) {
5409 case 0:
5410 CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA);
5411 gen_mfhc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo0));
5412 register_name = "EntryLo0";
5413 break;
5414 default:
5415 goto cp0_unimplemented;
5416 }
5417 break;
5418 case CP0_REGISTER_03:
5419 switch (sel) {
5420 case CP0_REG03__ENTRYLO1:
5421 CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA);
5422 gen_mfhc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo1));
5423 register_name = "EntryLo1";
5424 break;
5425 default:
5426 goto cp0_unimplemented;
5427 }
5428 break;
5429 case CP0_REGISTER_09:
5430 switch (sel) {
5431 case CP0_REG09__SAAR:
5432 CP0_CHECK(ctx->saar);
5433 gen_helper_mfhc0_saar(arg, cpu_env);
5434 register_name = "SAAR";
5435 break;
5436 default:
5437 goto cp0_unimplemented;
5438 }
5439 break;
5440 case CP0_REGISTER_17:
5441 switch (sel) {
5442 case CP0_REG17__LLADDR:
5443 gen_mfhc0_load64(arg, offsetof(CPUMIPSState, CP0_LLAddr),
5444 ctx->CP0_LLAddr_shift);
5445 register_name = "LLAddr";
5446 break;
5447 case CP0_REG17__MAAR:
5448 CP0_CHECK(ctx->mrp);
5449 gen_helper_mfhc0_maar(arg, cpu_env);
5450 register_name = "MAAR";
5451 break;
5452 default:
5453 goto cp0_unimplemented;
5454 }
5455 break;
5456 case CP0_REGISTER_19:
5457 switch (sel) {
5458 case CP0_REG19__WATCHHI0:
5459 case CP0_REG19__WATCHHI1:
5460 case CP0_REG19__WATCHHI2:
5461 case CP0_REG19__WATCHHI3:
5462 case CP0_REG19__WATCHHI4:
5463 case CP0_REG19__WATCHHI5:
5464 case CP0_REG19__WATCHHI6:
5465 case CP0_REG19__WATCHHI7:
5466 /* upper 32 bits are only available when Config5MI != 0 */
5467 CP0_CHECK(ctx->mi);
5468 gen_mfhc0_load64(arg, offsetof(CPUMIPSState, CP0_WatchHi[sel]), 0);
5469 register_name = "WatchHi";
5470 break;
5471 default:
5472 goto cp0_unimplemented;
5473 }
5474 break;
5475 case CP0_REGISTER_28:
5476 switch (sel) {
5477 case 0:
5478 case 2:
5479 case 4:
5480 case 6:
5481 gen_mfhc0_load64(arg, offsetof(CPUMIPSState, CP0_TagLo), 0);
5482 register_name = "TagLo";
5483 break;
5484 default:
5485 goto cp0_unimplemented;
5486 }
5487 break;
5488 default:
5489 goto cp0_unimplemented;
5490 }
5491 trace_mips_translate_c0("mfhc0", register_name, reg, sel);
5492 return;
5493
5494 cp0_unimplemented:
5495 qemu_log_mask(LOG_UNIMP, "mfhc0 %s (reg %d sel %d)\n",
5496 register_name, reg, sel);
5497 tcg_gen_movi_tl(arg, 0);
5498 }
5499
5500 static void gen_mthc0(DisasContext *ctx, TCGv arg, int reg, int sel)
5501 {
5502 const char *register_name = "invalid";
5503 uint64_t mask = ctx->PAMask >> 36;
5504
5505 switch (reg) {
5506 case CP0_REGISTER_02:
5507 switch (sel) {
5508 case 0:
5509 CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA);
5510 tcg_gen_andi_tl(arg, arg, mask);
5511 gen_mthc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo0));
5512 register_name = "EntryLo0";
5513 break;
5514 default:
5515 goto cp0_unimplemented;
5516 }
5517 break;
5518 case CP0_REGISTER_03:
5519 switch (sel) {
5520 case CP0_REG03__ENTRYLO1:
5521 CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA);
5522 tcg_gen_andi_tl(arg, arg, mask);
5523 gen_mthc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo1));
5524 register_name = "EntryLo1";
5525 break;
5526 default:
5527 goto cp0_unimplemented;
5528 }
5529 break;
5530 case CP0_REGISTER_09:
5531 switch (sel) {
5532 case CP0_REG09__SAAR:
5533 CP0_CHECK(ctx->saar);
5534 gen_helper_mthc0_saar(cpu_env, arg);
5535 register_name = "SAAR";
5536 break;
5537 default:
5538 goto cp0_unimplemented;
5539 }
5540 break;
5541 case CP0_REGISTER_17:
5542 switch (sel) {
5543 case CP0_REG17__LLADDR:
5544 /*
5545 * LLAddr is read-only (the only exception is bit 0 if LLB is
5546 * supported); the CP0_LLAddr_rw_bitmask does not seem to be
5547 * relevant for modern MIPS cores supporting MTHC0, therefore
5548 * treating MTHC0 to LLAddr as NOP.
5549 */
5550 register_name = "LLAddr";
5551 break;
5552 case CP0_REG17__MAAR:
5553 CP0_CHECK(ctx->mrp);
5554 gen_helper_mthc0_maar(cpu_env, arg);
5555 register_name = "MAAR";
5556 break;
5557 default:
5558 goto cp0_unimplemented;
5559 }
5560 break;
5561 case CP0_REGISTER_19:
5562 switch (sel) {
5563 case CP0_REG19__WATCHHI0:
5564 case CP0_REG19__WATCHHI1:
5565 case CP0_REG19__WATCHHI2:
5566 case CP0_REG19__WATCHHI3:
5567 case CP0_REG19__WATCHHI4:
5568 case CP0_REG19__WATCHHI5:
5569 case CP0_REG19__WATCHHI6:
5570 case CP0_REG19__WATCHHI7:
5571 /* upper 32 bits are only available when Config5MI != 0 */
5572 CP0_CHECK(ctx->mi);
5573 gen_helper_0e1i(mthc0_watchhi, arg, sel);
5574 register_name = "WatchHi";
5575 break;
5576 default:
5577 goto cp0_unimplemented;
5578 }
5579 break;
5580 case CP0_REGISTER_28:
5581 switch (sel) {
5582 case 0:
5583 case 2:
5584 case 4:
5585 case 6:
5586 tcg_gen_andi_tl(arg, arg, mask);
5587 gen_mthc0_store64(arg, offsetof(CPUMIPSState, CP0_TagLo));
5588 register_name = "TagLo";
5589 break;
5590 default:
5591 goto cp0_unimplemented;
5592 }
5593 break;
5594 default:
5595 goto cp0_unimplemented;
5596 }
5597 trace_mips_translate_c0("mthc0", register_name, reg, sel);
5598 return;
5599
5600 cp0_unimplemented:
5601 qemu_log_mask(LOG_UNIMP, "mthc0 %s (reg %d sel %d)\n",
5602 register_name, reg, sel);
5603 }
5604
5605 static inline void gen_mfc0_unimplemented(DisasContext *ctx, TCGv arg)
5606 {
5607 if (ctx->insn_flags & ISA_MIPS_R6) {
5608 tcg_gen_movi_tl(arg, 0);
5609 } else {
5610 tcg_gen_movi_tl(arg, ~0);
5611 }
5612 }
5613
5614 static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
5615 {
5616 const char *register_name = "invalid";
5617
5618 if (sel != 0) {
5619 check_insn(ctx, ISA_MIPS_R1);
5620 }
5621
5622 switch (reg) {
5623 case CP0_REGISTER_00:
5624 switch (sel) {
5625 case CP0_REG00__INDEX:
5626 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Index));
5627 register_name = "Index";
5628 break;
5629 case CP0_REG00__MVPCONTROL:
5630 CP0_CHECK(ctx->insn_flags & ASE_MT);
5631 gen_helper_mfc0_mvpcontrol(arg, cpu_env);
5632 register_name = "MVPControl";
5633 break;
5634 case CP0_REG00__MVPCONF0:
5635 CP0_CHECK(ctx->insn_flags & ASE_MT);
5636 gen_helper_mfc0_mvpconf0(arg, cpu_env);
5637 register_name = "MVPConf0";
5638 break;
5639 case CP0_REG00__MVPCONF1:
5640 CP0_CHECK(ctx->insn_flags & ASE_MT);
5641 gen_helper_mfc0_mvpconf1(arg, cpu_env);
5642 register_name = "MVPConf1";
5643 break;
5644 case CP0_REG00__VPCONTROL:
5645 CP0_CHECK(ctx->vp);
5646 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPControl));
5647 register_name = "VPControl";
5648 break;
5649 default:
5650 goto cp0_unimplemented;
5651 }
5652 break;
5653 case CP0_REGISTER_01:
5654 switch (sel) {
5655 case CP0_REG01__RANDOM:
5656 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6));
5657 gen_helper_mfc0_random(arg, cpu_env);
5658 register_name = "Random";
5659 break;
5660 case CP0_REG01__VPECONTROL:
5661 CP0_CHECK(ctx->insn_flags & ASE_MT);
5662 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEControl));
5663 register_name = "VPEControl";
5664 break;
5665 case CP0_REG01__VPECONF0:
5666 CP0_CHECK(ctx->insn_flags & ASE_MT);
5667 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf0));
5668 register_name = "VPEConf0";
5669 break;
5670 case CP0_REG01__VPECONF1:
5671 CP0_CHECK(ctx->insn_flags & ASE_MT);
5672 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf1));
5673 register_name = "VPEConf1";
5674 break;
5675 case CP0_REG01__YQMASK:
5676 CP0_CHECK(ctx->insn_flags & ASE_MT);
5677 gen_mfc0_load64(arg, offsetof(CPUMIPSState, CP0_YQMask));
5678 register_name = "YQMask";
5679 break;
5680 case CP0_REG01__VPESCHEDULE:
5681 CP0_CHECK(ctx->insn_flags & ASE_MT);
5682 gen_mfc0_load64(arg, offsetof(CPUMIPSState, CP0_VPESchedule));
5683 register_name = "VPESchedule";
5684 break;
5685 case CP0_REG01__VPESCHEFBACK:
5686 CP0_CHECK(ctx->insn_flags & ASE_MT);
5687 gen_mfc0_load64(arg, offsetof(CPUMIPSState, CP0_VPEScheFBack));
5688 register_name = "VPEScheFBack";
5689 break;
5690 case CP0_REG01__VPEOPT:
5691 CP0_CHECK(ctx->insn_flags & ASE_MT);
5692 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEOpt));
5693 register_name = "VPEOpt";
5694 break;
5695 default:
5696 goto cp0_unimplemented;
5697 }
5698 break;
5699 case CP0_REGISTER_02:
5700 switch (sel) {
5701 case CP0_REG02__ENTRYLO0:
5702 {
5703 TCGv_i64 tmp = tcg_temp_new_i64();
5704 tcg_gen_ld_i64(tmp, cpu_env,
5705 offsetof(CPUMIPSState, CP0_EntryLo0));
5706 #if defined(TARGET_MIPS64)
5707 if (ctx->rxi) {
5708 /* Move RI/XI fields to bits 31:30 */
5709 tcg_gen_shri_tl(arg, tmp, CP0EnLo_XI);
5710 tcg_gen_deposit_tl(tmp, tmp, arg, 30, 2);
5711 }
5712 #endif
5713 gen_move_low32(arg, tmp);
5714 tcg_temp_free_i64(tmp);
5715 }
5716 register_name = "EntryLo0";
5717 break;
5718 case CP0_REG02__TCSTATUS:
5719 CP0_CHECK(ctx->insn_flags & ASE_MT);
5720 gen_helper_mfc0_tcstatus(arg, cpu_env);
5721 register_name = "TCStatus";
5722 break;
5723 case CP0_REG02__TCBIND:
5724 CP0_CHECK(ctx->insn_flags & ASE_MT);
5725 gen_helper_mfc0_tcbind(arg, cpu_env);
5726 register_name = "TCBind";
5727 break;
5728 case CP0_REG02__TCRESTART:
5729 CP0_CHECK(ctx->insn_flags & ASE_MT);
5730 gen_helper_mfc0_tcrestart(arg, cpu_env);
5731 register_name = "TCRestart";
5732 break;
5733 case CP0_REG02__TCHALT:
5734 CP0_CHECK(ctx->insn_flags & ASE_MT);
5735 gen_helper_mfc0_tchalt(arg, cpu_env);
5736 register_name = "TCHalt";
5737 break;
5738 case CP0_REG02__TCCONTEXT:
5739 CP0_CHECK(ctx->insn_flags & ASE_MT);
5740 gen_helper_mfc0_tccontext(arg, cpu_env);
5741 register_name = "TCContext";
5742 break;
5743 case CP0_REG02__TCSCHEDULE:
5744 CP0_CHECK(ctx->insn_flags & ASE_MT);
5745 gen_helper_mfc0_tcschedule(arg, cpu_env);
5746 register_name = "TCSchedule";
5747 break;
5748 case CP0_REG02__TCSCHEFBACK:
5749 CP0_CHECK(ctx->insn_flags & ASE_MT);
5750 gen_helper_mfc0_tcschefback(arg, cpu_env);
5751 register_name = "TCScheFBack";
5752 break;
5753 default:
5754 goto cp0_unimplemented;
5755 }
5756 break;
5757 case CP0_REGISTER_03:
5758 switch (sel) {
5759 case CP0_REG03__ENTRYLO1:
5760 {
5761 TCGv_i64 tmp = tcg_temp_new_i64();
5762 tcg_gen_ld_i64(tmp, cpu_env,
5763 offsetof(CPUMIPSState, CP0_EntryLo1));
5764 #if defined(TARGET_MIPS64)
5765 if (ctx->rxi) {
5766 /* Move RI/XI fields to bits 31:30 */
5767 tcg_gen_shri_tl(arg, tmp, CP0EnLo_XI);
5768 tcg_gen_deposit_tl(tmp, tmp, arg, 30, 2);
5769 }
5770 #endif
5771 gen_move_low32(arg, tmp);
5772 tcg_temp_free_i64(tmp);
5773 }
5774 register_name = "EntryLo1";
5775 break;
5776 case CP0_REG03__GLOBALNUM:
5777 CP0_CHECK(ctx->vp);
5778 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_GlobalNumber));
5779 register_name = "GlobalNumber";
5780 break;
5781 default:
5782 goto cp0_unimplemented;
5783 }
5784 break;
5785 case CP0_REGISTER_04:
5786 switch (sel) {
5787 case CP0_REG04__CONTEXT:
5788 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_Context));
5789 tcg_gen_ext32s_tl(arg, arg);
5790 register_name = "Context";
5791 break;
5792 case CP0_REG04__CONTEXTCONFIG:
5793 /* SmartMIPS ASE */
5794 /* gen_helper_mfc0_contextconfig(arg); */
5795 register_name = "ContextConfig";
5796 goto cp0_unimplemented;
5797 case CP0_REG04__USERLOCAL:
5798 CP0_CHECK(ctx->ulri);
5799 tcg_gen_ld_tl(arg, cpu_env,
5800 offsetof(CPUMIPSState, active_tc.CP0_UserLocal));
5801 tcg_gen_ext32s_tl(arg, arg);
5802 register_name = "UserLocal";
5803 break;
5804 case CP0_REG04__MMID:
5805 CP0_CHECK(ctx->mi);
5806 gen_helper_mtc0_memorymapid(cpu_env, arg);
5807 register_name = "MMID";
5808 break;
5809 default:
5810 goto cp0_unimplemented;
5811 }
5812 break;
5813 case CP0_REGISTER_05:
5814 switch (sel) {
5815 case CP0_REG05__PAGEMASK:
5816 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageMask));
5817 register_name = "PageMask";
5818 break;
5819 case CP0_REG05__PAGEGRAIN:
5820 check_insn(ctx, ISA_MIPS_R2);
5821 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageGrain));
5822 register_name = "PageGrain";
5823 break;
5824 case CP0_REG05__SEGCTL0:
5825 CP0_CHECK(ctx->sc);
5826 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_SegCtl0));
5827 tcg_gen_ext32s_tl(arg, arg);
5828 register_name = "SegCtl0";
5829 break;
5830 case CP0_REG05__SEGCTL1:
5831 CP0_CHECK(ctx->sc);
5832 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_SegCtl1));
5833 tcg_gen_ext32s_tl(arg, arg);
5834 register_name = "SegCtl1";
5835 break;
5836 case CP0_REG05__SEGCTL2:
5837 CP0_CHECK(ctx->sc);
5838 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_SegCtl2));
5839 tcg_gen_ext32s_tl(arg, arg);
5840 register_name = "SegCtl2";
5841 break;
5842 case CP0_REG05__PWBASE:
5843 check_pw(ctx);
5844 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWBase));
5845 register_name = "PWBase";
5846 break;
5847 case CP0_REG05__PWFIELD:
5848 check_pw(ctx);
5849 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWField));
5850 register_name = "PWField";
5851 break;
5852 case CP0_REG05__PWSIZE:
5853 check_pw(ctx);
5854 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWSize));
5855 register_name = "PWSize";
5856 break;
5857 default:
5858 goto cp0_unimplemented;
5859 }
5860 break;
5861 case CP0_REGISTER_06:
5862 switch (sel) {
5863 case CP0_REG06__WIRED:
5864 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Wired));
5865 register_name = "Wired";
5866 break;
5867 case CP0_REG06__SRSCONF0:
5868 check_insn(ctx, ISA_MIPS_R2);
5869 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf0));
5870 register_name = "SRSConf0";
5871 break;
5872 case CP0_REG06__SRSCONF1:
5873 check_insn(ctx, ISA_MIPS_R2);
5874 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf1));
5875 register_name = "SRSConf1";
5876 break;
5877 case CP0_REG06__SRSCONF2:
5878 check_insn(ctx, ISA_MIPS_R2);
5879 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf2));
5880 register_name = "SRSConf2";
5881 break;
5882 case CP0_REG06__SRSCONF3:
5883 check_insn(ctx, ISA_MIPS_R2);
5884 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf3));
5885 register_name = "SRSConf3";
5886 break;
5887 case CP0_REG06__SRSCONF4:
5888 check_insn(ctx, ISA_MIPS_R2);
5889 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf4));
5890 register_name = "SRSConf4";
5891 break;
5892 case CP0_REG06__PWCTL:
5893 check_pw(ctx);
5894 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWCtl));
5895 register_name = "PWCtl";
5896 break;
5897 default:
5898 goto cp0_unimplemented;
5899 }
5900 break;
5901 case CP0_REGISTER_07:
5902 switch (sel) {
5903 case CP0_REG07__HWRENA:
5904 check_insn(ctx, ISA_MIPS_R2);
5905 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_HWREna));
5906 register_name = "HWREna";
5907 break;
5908 default:
5909 goto cp0_unimplemented;
5910 }
5911 break;
5912 case CP0_REGISTER_08:
5913 switch (sel) {
5914 case CP0_REG08__BADVADDR:
5915 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_BadVAddr));
5916 tcg_gen_ext32s_tl(arg, arg);
5917 register_name = "BadVAddr";
5918 break;
5919 case CP0_REG08__BADINSTR:
5920 CP0_CHECK(ctx->bi);
5921 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstr));
5922 register_name = "BadInstr";
5923 break;
5924 case CP0_REG08__BADINSTRP:
5925 CP0_CHECK(ctx->bp);
5926 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrP));
5927 register_name = "BadInstrP";
5928 break;
5929 case CP0_REG08__BADINSTRX:
5930 CP0_CHECK(ctx->bi);
5931 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrX));
5932 tcg_gen_andi_tl(arg, arg, ~0xffff);
5933 register_name = "BadInstrX";
5934 break;
5935 default:
5936 goto cp0_unimplemented;
5937 }
5938 break;
5939 case CP0_REGISTER_09:
5940 switch (sel) {
5941 case CP0_REG09__COUNT:
5942 /* Mark as an IO operation because we read the time. */
5943 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
5944 gen_io_start();
5945 }
5946 gen_helper_mfc0_count(arg, cpu_env);
5947 /*
5948 * Break the TB to be able to take timer interrupts immediately
5949 * after reading count. DISAS_STOP isn't sufficient, we need to
5950 * ensure we break completely out of translated code.
5951 */
5952 gen_save_pc(ctx->base.pc_next + 4);
5953 ctx->base.is_jmp = DISAS_EXIT;
5954 register_name = "Count";
5955 break;
5956 case CP0_REG09__SAARI:
5957 CP0_CHECK(ctx->saar);
5958 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SAARI));
5959 register_name = "SAARI";
5960 break;
5961 case CP0_REG09__SAAR:
5962 CP0_CHECK(ctx->saar);
5963 gen_helper_mfc0_saar(arg, cpu_env);
5964 register_name = "SAAR";
5965 break;
5966 default:
5967 goto cp0_unimplemented;
5968 }
5969 break;
5970 case CP0_REGISTER_10:
5971 switch (sel) {
5972 case CP0_REG10__ENTRYHI:
5973 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EntryHi));
5974 tcg_gen_ext32s_tl(arg, arg);
5975 register_name = "EntryHi";
5976 break;
5977 default:
5978 goto cp0_unimplemented;
5979 }
5980 break;
5981 case CP0_REGISTER_11:
5982 switch (sel) {
5983 case CP0_REG11__COMPARE:
5984 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Compare));
5985 register_name = "Compare";
5986 break;
5987 /* 6,7 are implementation dependent */
5988 default:
5989 goto cp0_unimplemented;
5990 }
5991 break;
5992 case CP0_REGISTER_12:
5993 switch (sel) {
5994 case CP0_REG12__STATUS:
5995 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Status));
5996 register_name = "Status";
5997 break;
5998 case CP0_REG12__INTCTL:
5999 check_insn(ctx, ISA_MIPS_R2);
6000 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_IntCtl));
6001 register_name = "IntCtl";
6002 break;
6003 case CP0_REG12__SRSCTL:
6004 check_insn(ctx, ISA_MIPS_R2);
6005 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSCtl));
6006 register_name = "SRSCtl";
6007 break;
6008 case CP0_REG12__SRSMAP:
6009 check_insn(ctx, ISA_MIPS_R2);
6010 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSMap));
6011 register_name = "SRSMap";
6012 break;
6013 default:
6014 goto cp0_unimplemented;
6015 }
6016 break;
6017 case CP0_REGISTER_13:
6018 switch (sel) {
6019 case CP0_REG13__CAUSE:
6020 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Cause));
6021 register_name = "Cause";
6022 break;
6023 default:
6024 goto cp0_unimplemented;
6025 }
6026 break;
6027 case CP0_REGISTER_14:
6028 switch (sel) {
6029 case CP0_REG14__EPC:
6030 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EPC));
6031 tcg_gen_ext32s_tl(arg, arg);
6032 register_name = "EPC";
6033 break;
6034 default:
6035 goto cp0_unimplemented;
6036 }
6037 break;
6038 case CP0_REGISTER_15:
6039 switch (sel) {
6040 case CP0_REG15__PRID:
6041 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PRid));
6042 register_name = "PRid";
6043 break;
6044 case CP0_REG15__EBASE:
6045 check_insn(ctx, ISA_MIPS_R2);
6046 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EBase));
6047 tcg_gen_ext32s_tl(arg, arg);
6048 register_name = "EBase";
6049 break;
6050 case CP0_REG15__CMGCRBASE:
6051 check_insn(ctx, ISA_MIPS_R2);
6052 CP0_CHECK(ctx->cmgcr);
6053 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_CMGCRBase));
6054 tcg_gen_ext32s_tl(arg, arg);
6055 register_name = "CMGCRBase";
6056 break;
6057 default:
6058 goto cp0_unimplemented;
6059 }
6060 break;
6061 case CP0_REGISTER_16:
6062 switch (sel) {
6063 case CP0_REG16__CONFIG:
6064 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config0));
6065 register_name = "Config";
6066 break;
6067 case CP0_REG16__CONFIG1:
6068 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config1));
6069 register_name = "Config1";
6070 break;
6071 case CP0_REG16__CONFIG2:
6072 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config2));
6073 register_name = "Config2";
6074 break;
6075 case CP0_REG16__CONFIG3:
6076 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config3));
6077 register_name = "Config3";
6078 break;
6079 case CP0_REG16__CONFIG4:
6080 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config4));
6081 register_name = "Config4";
6082 break;
6083 case CP0_REG16__CONFIG5:
6084 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config5));
6085 register_name = "Config5";
6086 break;
6087 /* 6,7 are implementation dependent */
6088 case CP0_REG16__CONFIG6:
6089 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config6));
6090 register_name = "Config6";
6091 break;
6092 case CP0_REG16__CONFIG7:
6093 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config7));
6094 register_name = "Config7";
6095 break;
6096 default:
6097 goto cp0_unimplemented;
6098 }
6099 break;
6100 case CP0_REGISTER_17:
6101 switch (sel) {
6102 case CP0_REG17__LLADDR:
6103 gen_helper_mfc0_lladdr(arg, cpu_env);
6104 register_name = "LLAddr";
6105 break;
6106 case CP0_REG17__MAAR:
6107 CP0_CHECK(ctx->mrp);
6108 gen_helper_mfc0_maar(arg, cpu_env);
6109 register_name = "MAAR";
6110 break;
6111 case CP0_REG17__MAARI:
6112 CP0_CHECK(ctx->mrp);
6113 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_MAARI));
6114 register_name = "MAARI";
6115 break;
6116 default:
6117 goto cp0_unimplemented;
6118 }
6119 break;
6120 case CP0_REGISTER_18:
6121 switch (sel) {
6122 case CP0_REG18__WATCHLO0:
6123 case CP0_REG18__WATCHLO1:
6124 case CP0_REG18__WATCHLO2:
6125 case CP0_REG18__WATCHLO3:
6126 case CP0_REG18__WATCHLO4:
6127 case CP0_REG18__WATCHLO5:
6128 case CP0_REG18__WATCHLO6:
6129 case CP0_REG18__WATCHLO7:
6130 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
6131 gen_helper_1e0i(mfc0_watchlo, arg, sel);
6132 register_name = "WatchLo";
6133 break;
6134 default:
6135 goto cp0_unimplemented;
6136 }
6137 break;
6138 case CP0_REGISTER_19:
6139 switch (sel) {
6140 case CP0_REG19__WATCHHI0:
6141 case CP0_REG19__WATCHHI1:
6142 case CP0_REG19__WATCHHI2:
6143 case CP0_REG19__WATCHHI3:
6144 case CP0_REG19__WATCHHI4:
6145 case CP0_REG19__WATCHHI5:
6146 case CP0_REG19__WATCHHI6:
6147 case CP0_REG19__WATCHHI7:
6148 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
6149 gen_helper_1e0i(mfc0_watchhi, arg, sel);
6150 register_name = "WatchHi";
6151 break;
6152 default:
6153 goto cp0_unimplemented;
6154 }
6155 break;
6156 case CP0_REGISTER_20:
6157 switch (sel) {
6158 case CP0_REG20__XCONTEXT:
6159 #if defined(TARGET_MIPS64)
6160 check_insn(ctx, ISA_MIPS3);
6161 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_XContext));
6162 tcg_gen_ext32s_tl(arg, arg);
6163 register_name = "XContext";
6164 break;
6165 #endif
6166 default:
6167 goto cp0_unimplemented;
6168 }
6169 break;
6170 case CP0_REGISTER_21:
6171 /* Officially reserved, but sel 0 is used for R1x000 framemask */
6172 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6));
6173 switch (sel) {
6174 case 0:
6175 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Framemask));
6176 register_name = "Framemask";
6177 break;
6178 default:
6179 goto cp0_unimplemented;
6180 }
6181 break;
6182 case CP0_REGISTER_22:
6183 tcg_gen_movi_tl(arg, 0); /* unimplemented */
6184 register_name = "'Diagnostic"; /* implementation dependent */
6185 break;
6186 case CP0_REGISTER_23:
6187 switch (sel) {
6188 case CP0_REG23__DEBUG:
6189 gen_helper_mfc0_debug(arg, cpu_env); /* EJTAG support */
6190 register_name = "Debug";
6191 break;
6192 case CP0_REG23__TRACECONTROL:
6193 /* PDtrace support */
6194 /* gen_helper_mfc0_tracecontrol(arg); */
6195 register_name = "TraceControl";
6196 goto cp0_unimplemented;
6197 case CP0_REG23__TRACECONTROL2:
6198 /* PDtrace support */
6199 /* gen_helper_mfc0_tracecontrol2(arg); */
6200 register_name = "TraceControl2";
6201 goto cp0_unimplemented;
6202 case CP0_REG23__USERTRACEDATA1:
6203 /* PDtrace support */
6204 /* gen_helper_mfc0_usertracedata1(arg);*/
6205 register_name = "UserTraceData1";
6206 goto cp0_unimplemented;
6207 case CP0_REG23__TRACEIBPC:
6208 /* PDtrace support */
6209 /* gen_helper_mfc0_traceibpc(arg); */
6210 register_name = "TraceIBPC";
6211 goto cp0_unimplemented;
6212 case CP0_REG23__TRACEDBPC:
6213 /* PDtrace support */
6214 /* gen_helper_mfc0_tracedbpc(arg); */
6215 register_name = "TraceDBPC";
6216 goto cp0_unimplemented;
6217 default:
6218 goto cp0_unimplemented;
6219 }
6220 break;
6221 case CP0_REGISTER_24:
6222 switch (sel) {
6223 case CP0_REG24__DEPC:
6224 /* EJTAG support */
6225 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_DEPC));
6226 tcg_gen_ext32s_tl(arg, arg);
6227 register_name = "DEPC";
6228 break;
6229 default:
6230 goto cp0_unimplemented;
6231 }
6232 break;
6233 case CP0_REGISTER_25:
6234 switch (sel) {
6235 case CP0_REG25__PERFCTL0:
6236 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Performance0));
6237 register_name = "Performance0";
6238 break;
6239 case CP0_REG25__PERFCNT0:
6240 /* gen_helper_mfc0_performance1(arg); */
6241 register_name = "Performance1";
6242 goto cp0_unimplemented;
6243 case CP0_REG25__PERFCTL1:
6244 /* gen_helper_mfc0_performance2(arg); */
6245 register_name = "Performance2";
6246 goto cp0_unimplemented;
6247 case CP0_REG25__PERFCNT1:
6248 /* gen_helper_mfc0_performance3(arg); */
6249 register_name = "Performance3";
6250 goto cp0_unimplemented;
6251 case CP0_REG25__PERFCTL2:
6252 /* gen_helper_mfc0_performance4(arg); */
6253 register_name = "Performance4";
6254 goto cp0_unimplemented;
6255 case CP0_REG25__PERFCNT2:
6256 /* gen_helper_mfc0_performance5(arg); */
6257 register_name = "Performance5";
6258 goto cp0_unimplemented;
6259 case CP0_REG25__PERFCTL3:
6260 /* gen_helper_mfc0_performance6(arg); */
6261 register_name = "Performance6";
6262 goto cp0_unimplemented;
6263 case CP0_REG25__PERFCNT3:
6264 /* gen_helper_mfc0_performance7(arg); */
6265 register_name = "Performance7";
6266 goto cp0_unimplemented;
6267 default:
6268 goto cp0_unimplemented;
6269 }
6270 break;
6271 case CP0_REGISTER_26:
6272 switch (sel) {
6273 case CP0_REG26__ERRCTL:
6274 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_ErrCtl));
6275 register_name = "ErrCtl";
6276 break;
6277 default:
6278 goto cp0_unimplemented;
6279 }
6280 break;
6281 case CP0_REGISTER_27:
6282 switch (sel) {
6283 case CP0_REG27__CACHERR:
6284 tcg_gen_movi_tl(arg, 0); /* unimplemented */
6285 register_name = "CacheErr";
6286 break;
6287 default:
6288 goto cp0_unimplemented;
6289 }
6290 break;
6291 case CP0_REGISTER_28:
6292 switch (sel) {
6293 case CP0_REG28__TAGLO:
6294 case CP0_REG28__TAGLO1:
6295 case CP0_REG28__TAGLO2:
6296 case CP0_REG28__TAGLO3:
6297 {
6298 TCGv_i64 tmp = tcg_temp_new_i64();
6299 tcg_gen_ld_i64(tmp, cpu_env, offsetof(CPUMIPSState, CP0_TagLo));
6300 gen_move_low32(arg, tmp);
6301 tcg_temp_free_i64(tmp);
6302 }
6303 register_name = "TagLo";
6304 break;
6305 case CP0_REG28__DATALO:
6306 case CP0_REG28__DATALO1:
6307 case CP0_REG28__DATALO2:
6308 case CP0_REG28__DATALO3:
6309 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataLo));
6310 register_name = "DataLo";
6311 break;
6312 default:
6313 goto cp0_unimplemented;
6314 }
6315 break;
6316 case CP0_REGISTER_29:
6317 switch (sel) {
6318 case CP0_REG29__TAGHI:
6319 case CP0_REG29__TAGHI1:
6320 case CP0_REG29__TAGHI2:
6321 case CP0_REG29__TAGHI3:
6322 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_TagHi));
6323 register_name = "TagHi";
6324 break;
6325 case CP0_REG29__DATAHI:
6326 case CP0_REG29__DATAHI1:
6327 case CP0_REG29__DATAHI2:
6328 case CP0_REG29__DATAHI3:
6329 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataHi));
6330 register_name = "DataHi";
6331 break;
6332 default:
6333 goto cp0_unimplemented;
6334 }
6335 break;
6336 case CP0_REGISTER_30:
6337 switch (sel) {
6338 case CP0_REG30__ERROREPC:
6339 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_ErrorEPC));
6340 tcg_gen_ext32s_tl(arg, arg);
6341 register_name = "ErrorEPC";
6342 break;
6343 default:
6344 goto cp0_unimplemented;
6345 }
6346 break;
6347 case CP0_REGISTER_31:
6348 switch (sel) {
6349 case CP0_REG31__DESAVE:
6350 /* EJTAG support */
6351 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DESAVE));
6352 register_name = "DESAVE";
6353 break;
6354 case CP0_REG31__KSCRATCH1:
6355 case CP0_REG31__KSCRATCH2:
6356 case CP0_REG31__KSCRATCH3:
6357 case CP0_REG31__KSCRATCH4:
6358 case CP0_REG31__KSCRATCH5:
6359 case CP0_REG31__KSCRATCH6:
6360 CP0_CHECK(ctx->kscrexist & (1 << sel));
6361 tcg_gen_ld_tl(arg, cpu_env,
6362 offsetof(CPUMIPSState, CP0_KScratch[sel - 2]));
6363 tcg_gen_ext32s_tl(arg, arg);
6364 register_name = "KScratch";
6365 break;
6366 default:
6367 goto cp0_unimplemented;
6368 }
6369 break;
6370 default:
6371 goto cp0_unimplemented;
6372 }
6373 trace_mips_translate_c0("mfc0", register_name, reg, sel);
6374 return;
6375
6376 cp0_unimplemented:
6377 qemu_log_mask(LOG_UNIMP, "mfc0 %s (reg %d sel %d)\n",
6378 register_name, reg, sel);
6379 gen_mfc0_unimplemented(ctx, arg);
6380 }
6381
6382 static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
6383 {
6384 const char *register_name = "invalid";
6385
6386 if (sel != 0) {
6387 check_insn(ctx, ISA_MIPS_R1);
6388 }
6389
6390 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
6391 gen_io_start();
6392 }
6393
6394 switch (reg) {
6395 case CP0_REGISTER_00:
6396 switch (sel) {
6397 case CP0_REG00__INDEX:
6398 gen_helper_mtc0_index(cpu_env, arg);
6399 register_name = "Index";
6400 break;
6401 case CP0_REG00__MVPCONTROL:
6402 CP0_CHECK(ctx->insn_flags & ASE_MT);
6403 gen_helper_mtc0_mvpcontrol(cpu_env, arg);
6404 register_name = "MVPControl";
6405 break;
6406 case CP0_REG00__MVPCONF0:
6407 CP0_CHECK(ctx->insn_flags & ASE_MT);
6408 /* ignored */
6409 register_name = "MVPConf0";
6410 break;
6411 case CP0_REG00__MVPCONF1:
6412 CP0_CHECK(ctx->insn_flags & ASE_MT);
6413 /* ignored */
6414 register_name = "MVPConf1";
6415 break;
6416 case CP0_REG00__VPCONTROL:
6417 CP0_CHECK(ctx->vp);
6418 /* ignored */
6419 register_name = "VPControl";
6420 break;
6421 default:
6422 goto cp0_unimplemented;
6423 }
6424 break;
6425 case CP0_REGISTER_01:
6426 switch (sel) {
6427 case CP0_REG01__RANDOM:
6428 /* ignored */
6429 register_name = "Random";
6430 break;
6431 case CP0_REG01__VPECONTROL:
6432 CP0_CHECK(ctx->insn_flags & ASE_MT);
6433 gen_helper_mtc0_vpecontrol(cpu_env, arg);
6434 register_name = "VPEControl";
6435 break;
6436 case CP0_REG01__VPECONF0:
6437 CP0_CHECK(ctx->insn_flags & ASE_MT);
6438 gen_helper_mtc0_vpeconf0(cpu_env, arg);
6439 register_name = "VPEConf0";
6440 break;
6441 case CP0_REG01__VPECONF1:
6442 CP0_CHECK(ctx->insn_flags & ASE_MT);
6443 gen_helper_mtc0_vpeconf1(cpu_env, arg);
6444 register_name = "VPEConf1";
6445 break;
6446 case CP0_REG01__YQMASK:
6447 CP0_CHECK(ctx->insn_flags & ASE_MT);
6448 gen_helper_mtc0_yqmask(cpu_env, arg);
6449 register_name = "YQMask";
6450 break;
6451 case CP0_REG01__VPESCHEDULE:
6452 CP0_CHECK(ctx->insn_flags & ASE_MT);
6453 tcg_gen_st_tl(arg, cpu_env,
6454 offsetof(CPUMIPSState, CP0_VPESchedule));
6455 register_name = "VPESchedule";
6456 break;
6457 case CP0_REG01__VPESCHEFBACK:
6458 CP0_CHECK(ctx->insn_flags & ASE_MT);
6459 tcg_gen_st_tl(arg, cpu_env,
6460 offsetof(CPUMIPSState, CP0_VPEScheFBack));
6461 register_name = "VPEScheFBack";
6462 break;
6463 case CP0_REG01__VPEOPT:
6464 CP0_CHECK(ctx->insn_flags & ASE_MT);
6465 gen_helper_mtc0_vpeopt(cpu_env, arg);
6466 register_name = "VPEOpt";
6467 break;
6468 default:
6469 goto cp0_unimplemented;
6470 }
6471 break;
6472 case CP0_REGISTER_02:
6473 switch (sel) {
6474 case CP0_REG02__ENTRYLO0:
6475 gen_helper_mtc0_entrylo0(cpu_env, arg);
6476 register_name = "EntryLo0";
6477 break;
6478 case CP0_REG02__TCSTATUS:
6479 CP0_CHECK(ctx->insn_flags & ASE_MT);
6480 gen_helper_mtc0_tcstatus(cpu_env, arg);
6481 register_name = "TCStatus";
6482 break;
6483 case CP0_REG02__TCBIND:
6484 CP0_CHECK(ctx->insn_flags & ASE_MT);
6485 gen_helper_mtc0_tcbind(cpu_env, arg);
6486 register_name = "TCBind";
6487 break;
6488 case CP0_REG02__TCRESTART:
6489 CP0_CHECK(ctx->insn_flags & ASE_MT);
6490 gen_helper_mtc0_tcrestart(cpu_env, arg);
6491 register_name = "TCRestart";
6492 break;
6493 case CP0_REG02__TCHALT:
6494 CP0_CHECK(ctx->insn_flags & ASE_MT);
6495 gen_helper_mtc0_tchalt(cpu_env, arg);
6496 register_name = "TCHalt";
6497 break;
6498 case CP0_REG02__TCCONTEXT:
6499 CP0_CHECK(ctx->insn_flags & ASE_MT);
6500 gen_helper_mtc0_tccontext(cpu_env, arg);
6501 register_name = "TCContext";
6502 break;
6503 case CP0_REG02__TCSCHEDULE:
6504 CP0_CHECK(ctx->insn_flags & ASE_MT);
6505 gen_helper_mtc0_tcschedule(cpu_env, arg);
6506 register_name = "TCSchedule";
6507 break;
6508 case CP0_REG02__TCSCHEFBACK:
6509 CP0_CHECK(ctx->insn_flags & ASE_MT);
6510 gen_helper_mtc0_tcschefback(cpu_env, arg);
6511 register_name = "TCScheFBack";
6512 break;
6513 default:
6514 goto cp0_unimplemented;
6515 }
6516 break;
6517 case CP0_REGISTER_03:
6518 switch (sel) {
6519 case CP0_REG03__ENTRYLO1:
6520 gen_helper_mtc0_entrylo1(cpu_env, arg);
6521 register_name = "EntryLo1";
6522 break;
6523 case CP0_REG03__GLOBALNUM:
6524 CP0_CHECK(ctx->vp);
6525 /* ignored */
6526 register_name = "GlobalNumber";
6527 break;
6528 default:
6529 goto cp0_unimplemented;
6530 }
6531 break;
6532 case CP0_REGISTER_04:
6533 switch (sel) {
6534 case CP0_REG04__CONTEXT:
6535 gen_helper_mtc0_context(cpu_env, arg);
6536 register_name = "Context";
6537 break;
6538 case CP0_REG04__CONTEXTCONFIG:
6539 /* SmartMIPS ASE */
6540 /* gen_helper_mtc0_contextconfig(arg); */
6541 register_name = "ContextConfig";
6542 goto cp0_unimplemented;
6543 case CP0_REG04__USERLOCAL:
6544 CP0_CHECK(ctx->ulri);
6545 tcg_gen_st_tl(arg, cpu_env,
6546 offsetof(CPUMIPSState, active_tc.CP0_UserLocal));
6547 register_name = "UserLocal";
6548 break;
6549 case CP0_REG04__MMID:
6550 CP0_CHECK(ctx->mi);
6551 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_MemoryMapID));
6552 register_name = "MMID";
6553 break;
6554 default:
6555 goto cp0_unimplemented;
6556 }
6557 break;
6558 case CP0_REGISTER_05:
6559 switch (sel) {
6560 case CP0_REG05__PAGEMASK:
6561 gen_helper_mtc0_pagemask(cpu_env, arg);
6562 register_name = "PageMask";
6563 break;
6564 case CP0_REG05__PAGEGRAIN:
6565 check_insn(ctx, ISA_MIPS_R2);
6566 gen_helper_mtc0_pagegrain(cpu_env, arg);
6567 register_name = "PageGrain";
6568 ctx->base.is_jmp = DISAS_STOP;
6569 break;
6570 case CP0_REG05__SEGCTL0:
6571 CP0_CHECK(ctx->sc);
6572 gen_helper_mtc0_segctl0(cpu_env, arg);
6573 register_name = "SegCtl0";
6574 break;
6575 case CP0_REG05__SEGCTL1:
6576 CP0_CHECK(ctx->sc);
6577 gen_helper_mtc0_segctl1(cpu_env, arg);
6578 register_name = "SegCtl1";
6579 break;
6580 case CP0_REG05__SEGCTL2:
6581 CP0_CHECK(ctx->sc);
6582 gen_helper_mtc0_segctl2(cpu_env, arg);
6583 register_name = "SegCtl2";
6584 break;
6585 case CP0_REG05__PWBASE:
6586 check_pw(ctx);
6587 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_PWBase));
6588 register_name = "PWBase";
6589 break;
6590 case CP0_REG05__PWFIELD:
6591 check_pw(ctx);
6592 gen_helper_mtc0_pwfield(cpu_env, arg);
6593 register_name = "PWField";
6594 break;
6595 case CP0_REG05__PWSIZE:
6596 check_pw(ctx);
6597 gen_helper_mtc0_pwsize(cpu_env, arg);
6598 register_name = "PWSize";
6599 break;
6600 default:
6601 goto cp0_unimplemented;
6602 }
6603 break;
6604 case CP0_REGISTER_06:
6605 switch (sel) {
6606 case CP0_REG06__WIRED:
6607 gen_helper_mtc0_wired(cpu_env, arg);
6608 register_name = "Wired";
6609 break;
6610 case CP0_REG06__SRSCONF0:
6611 check_insn(ctx, ISA_MIPS_R2);
6612 gen_helper_mtc0_srsconf0(cpu_env, arg);
6613 register_name = "SRSConf0";
6614 break;
6615 case CP0_REG06__SRSCONF1:
6616 check_insn(ctx, ISA_MIPS_R2);
6617 gen_helper_mtc0_srsconf1(cpu_env, arg);
6618 register_name = "SRSConf1";
6619 break;
6620 case CP0_REG06__SRSCONF2:
6621 check_insn(ctx, ISA_MIPS_R2);
6622 gen_helper_mtc0_srsconf2(cpu_env, arg);
6623 register_name = "SRSConf2";
6624 break;
6625 case CP0_REG06__SRSCONF3:
6626 check_insn(ctx, ISA_MIPS_R2);
6627 gen_helper_mtc0_srsconf3(cpu_env, arg);
6628 register_name = "SRSConf3";
6629 break;
6630 case CP0_REG06__SRSCONF4:
6631 check_insn(ctx, ISA_MIPS_R2);
6632 gen_helper_mtc0_srsconf4(cpu_env, arg);
6633 register_name = "SRSConf4";
6634 break;
6635 case CP0_REG06__PWCTL:
6636 check_pw(ctx);
6637 gen_helper_mtc0_pwctl(cpu_env, arg);
6638 register_name = "PWCtl";
6639 break;
6640 default:
6641 goto cp0_unimplemented;
6642 }
6643 break;
6644 case CP0_REGISTER_07:
6645 switch (sel) {
6646 case CP0_REG07__HWRENA:
6647 check_insn(ctx, ISA_MIPS_R2);
6648 gen_helper_mtc0_hwrena(cpu_env, arg);
6649 ctx->base.is_jmp = DISAS_STOP;
6650 register_name = "HWREna";
6651 break;
6652 default:
6653 goto cp0_unimplemented;
6654 }
6655 break;
6656 case CP0_REGISTER_08:
6657 switch (sel) {
6658 case CP0_REG08__BADVADDR:
6659 /* ignored */
6660 register_name = "BadVAddr";
6661 break;
6662 case CP0_REG08__BADINSTR:
6663 /* ignored */
6664 register_name = "BadInstr";
6665 break;
6666 case CP0_REG08__BADINSTRP:
6667 /* ignored */
6668 register_name = "BadInstrP";
6669 break;
6670 case CP0_REG08__BADINSTRX:
6671 /* ignored */
6672 register_name = "BadInstrX";
6673 break;
6674 default:
6675 goto cp0_unimplemented;
6676 }
6677 break;
6678 case CP0_REGISTER_09:
6679 switch (sel) {
6680 case CP0_REG09__COUNT:
6681 gen_helper_mtc0_count(cpu_env, arg);
6682 register_name = "Count";
6683 break;
6684 case CP0_REG09__SAARI:
6685 CP0_CHECK(ctx->saar);
6686 gen_helper_mtc0_saari(cpu_env, arg);
6687 register_name = "SAARI";
6688 break;
6689 case CP0_REG09__SAAR:
6690 CP0_CHECK(ctx->saar);
6691 gen_helper_mtc0_saar(cpu_env, arg);
6692 register_name = "SAAR";
6693 break;
6694 default:
6695 goto cp0_unimplemented;
6696 }
6697 break;
6698 case CP0_REGISTER_10:
6699 switch (sel) {
6700 case CP0_REG10__ENTRYHI:
6701 gen_helper_mtc0_entryhi(cpu_env, arg);
6702 register_name = "EntryHi";
6703 break;
6704 default:
6705 goto cp0_unimplemented;
6706 }
6707 break;
6708 case CP0_REGISTER_11:
6709 switch (sel) {
6710 case CP0_REG11__COMPARE:
6711 gen_helper_mtc0_compare(cpu_env, arg);
6712 register_name = "Compare";
6713 break;
6714 /* 6,7 are implementation dependent */
6715 default:
6716 goto cp0_unimplemented;
6717 }
6718 break;
6719 case CP0_REGISTER_12:
6720 switch (sel) {
6721 case CP0_REG12__STATUS:
6722 save_cpu_state(ctx, 1);
6723 gen_helper_mtc0_status(cpu_env, arg);
6724 /* DISAS_STOP isn't good enough here, hflags may have changed. */
6725 gen_save_pc(ctx->base.pc_next + 4);
6726 ctx->base.is_jmp = DISAS_EXIT;
6727 register_name = "Status";
6728 break;
6729 case CP0_REG12__INTCTL:
6730 check_insn(ctx, ISA_MIPS_R2);
6731 gen_helper_mtc0_intctl(cpu_env, arg);
6732 /* Stop translation as we may have switched the execution mode */
6733 ctx->base.is_jmp = DISAS_STOP;
6734 register_name = "IntCtl";
6735 break;
6736 case CP0_REG12__SRSCTL:
6737 check_insn(ctx, ISA_MIPS_R2);
6738 gen_helper_mtc0_srsctl(cpu_env, arg);
6739 /* Stop translation as we may have switched the execution mode */
6740 ctx->base.is_jmp = DISAS_STOP;
6741 register_name = "SRSCtl";
6742 break;
6743 case CP0_REG12__SRSMAP:
6744 check_insn(ctx, ISA_MIPS_R2);
6745 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_SRSMap));
6746 /* Stop translation as we may have switched the execution mode */
6747 ctx->base.is_jmp = DISAS_STOP;
6748 register_name = "SRSMap";
6749 break;
6750 default:
6751 goto cp0_unimplemented;
6752 }
6753 break;
6754 case CP0_REGISTER_13:
6755 switch (sel) {
6756 case CP0_REG13__CAUSE:
6757 save_cpu_state(ctx, 1);
6758 gen_helper_mtc0_cause(cpu_env, arg);
6759 /*
6760 * Stop translation as we may have triggered an interrupt.
6761 * DISAS_STOP isn't sufficient, we need to ensure we break out of
6762 * translated code to check for pending interrupts.
6763 */
6764 gen_save_pc(ctx->base.pc_next + 4);
6765 ctx->base.is_jmp = DISAS_EXIT;
6766 register_name = "Cause";
6767 break;
6768 default:
6769 goto cp0_unimplemented;
6770 }
6771 break;
6772 case CP0_REGISTER_14:
6773 switch (sel) {
6774 case CP0_REG14__EPC:
6775 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EPC));
6776 register_name = "EPC";
6777 break;
6778 default:
6779 goto cp0_unimplemented;
6780 }
6781 break;
6782 case CP0_REGISTER_15:
6783 switch (sel) {
6784 case CP0_REG15__PRID:
6785 /* ignored */
6786 register_name = "PRid";
6787 break;
6788 case CP0_REG15__EBASE:
6789 check_insn(ctx, ISA_MIPS_R2);
6790 gen_helper_mtc0_ebase(cpu_env, arg);
6791 register_name = "EBase";
6792 break;
6793 default:
6794 goto cp0_unimplemented;
6795 }
6796 break;
6797 case CP0_REGISTER_16:
6798 switch (sel) {
6799 case CP0_REG16__CONFIG:
6800 gen_helper_mtc0_config0(cpu_env, arg);
6801 register_name = "Config";
6802 /* Stop translation as we may have switched the execution mode */
6803 ctx->base.is_jmp = DISAS_STOP;
6804 break;
6805 case CP0_REG16__CONFIG1:
6806 /* ignored, read only */
6807 register_name = "Config1";
6808 break;
6809 case CP0_REG16__CONFIG2:
6810 gen_helper_mtc0_config2(cpu_env, arg);
6811 register_name = "Config2";
6812 /* Stop translation as we may have switched the execution mode */
6813 ctx->base.is_jmp = DISAS_STOP;
6814 break;
6815 case CP0_REG16__CONFIG3:
6816 gen_helper_mtc0_config3(cpu_env, arg);
6817 register_name = "Config3";
6818 /* Stop translation as we may have switched the execution mode */
6819 ctx->base.is_jmp = DISAS_STOP;
6820 break;
6821 case CP0_REG16__CONFIG4:
6822 gen_helper_mtc0_config4(cpu_env, arg);
6823 register_name = "Config4";
6824 ctx->base.is_jmp = DISAS_STOP;
6825 break;
6826 case CP0_REG16__CONFIG5:
6827 gen_helper_mtc0_config5(cpu_env, arg);
6828 register_name = "Config5";
6829 /* Stop translation as we may have switched the execution mode */
6830 ctx->base.is_jmp = DISAS_STOP;
6831 break;
6832 /* 6,7 are implementation dependent */
6833 case CP0_REG16__CONFIG6:
6834 /* ignored */
6835 register_name = "Config6";
6836 break;
6837 case CP0_REG16__CONFIG7:
6838 /* ignored */
6839 register_name = "Config7";
6840 break;
6841 default:
6842 register_name = "Invalid config selector";
6843 goto cp0_unimplemented;
6844 }
6845 break;
6846 case CP0_REGISTER_17:
6847 switch (sel) {
6848 case CP0_REG17__LLADDR:
6849 gen_helper_mtc0_lladdr(cpu_env, arg);
6850 register_name = "LLAddr";
6851 break;
6852 case CP0_REG17__MAAR:
6853 CP0_CHECK(ctx->mrp);
6854 gen_helper_mtc0_maar(cpu_env, arg);
6855 register_name = "MAAR";
6856 break;
6857 case CP0_REG17__MAARI:
6858 CP0_CHECK(ctx->mrp);
6859 gen_helper_mtc0_maari(cpu_env, arg);
6860 register_name = "MAARI";
6861 break;
6862 default:
6863 goto cp0_unimplemented;
6864 }
6865 break;
6866 case CP0_REGISTER_18:
6867 switch (sel) {
6868 case CP0_REG18__WATCHLO0:
6869 case CP0_REG18__WATCHLO1:
6870 case CP0_REG18__WATCHLO2:
6871 case CP0_REG18__WATCHLO3:
6872 case CP0_REG18__WATCHLO4:
6873 case CP0_REG18__WATCHLO5:
6874 case CP0_REG18__WATCHLO6:
6875 case CP0_REG18__WATCHLO7:
6876 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
6877 gen_helper_0e1i(mtc0_watchlo, arg, sel);
6878 register_name = "WatchLo";
6879 break;
6880 default:
6881 goto cp0_unimplemented;
6882 }
6883 break;
6884 case CP0_REGISTER_19:
6885 switch (sel) {
6886 case CP0_REG19__WATCHHI0:
6887 case CP0_REG19__WATCHHI1:
6888 case CP0_REG19__WATCHHI2:
6889 case CP0_REG19__WATCHHI3:
6890 case CP0_REG19__WATCHHI4:
6891 case CP0_REG19__WATCHHI5:
6892 case CP0_REG19__WATCHHI6:
6893 case CP0_REG19__WATCHHI7:
6894 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
6895 gen_helper_0e1i(mtc0_watchhi, arg, sel);
6896 register_name = "WatchHi";
6897 break;
6898 default:
6899 goto cp0_unimplemented;
6900 }
6901 break;
6902 case CP0_REGISTER_20:
6903 switch (sel) {
6904 case CP0_REG20__XCONTEXT:
6905 #if defined(TARGET_MIPS64)
6906 check_insn(ctx, ISA_MIPS3);
6907 gen_helper_mtc0_xcontext(cpu_env, arg);
6908 register_name = "XContext";
6909 break;
6910 #endif
6911 default:
6912 goto cp0_unimplemented;
6913 }
6914 break;
6915 case CP0_REGISTER_21:
6916 /* Officially reserved, but sel 0 is used for R1x000 framemask */
6917 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6));
6918 switch (sel) {
6919 case 0:
6920 gen_helper_mtc0_framemask(cpu_env, arg);
6921 register_name = "Framemask";
6922 break;
6923 default:
6924 goto cp0_unimplemented;
6925 }
6926 break;
6927 case CP0_REGISTER_22:
6928 /* ignored */
6929 register_name = "Diagnostic"; /* implementation dependent */
6930 break;
6931 case CP0_REGISTER_23:
6932 switch (sel) {
6933 case CP0_REG23__DEBUG:
6934 gen_helper_mtc0_debug(cpu_env, arg); /* EJTAG support */
6935 /* DISAS_STOP isn't good enough here, hflags may have changed. */
6936 gen_save_pc(ctx->base.pc_next + 4);
6937 ctx->base.is_jmp = DISAS_EXIT;
6938 register_name = "Debug";
6939 break;
6940 case CP0_REG23__TRACECONTROL:
6941 /* PDtrace support */
6942 /* gen_helper_mtc0_tracecontrol(cpu_env, arg); */
6943 register_name = "TraceControl";
6944 /* Stop translation as we may have switched the execution mode */
6945 ctx->base.is_jmp = DISAS_STOP;
6946 goto cp0_unimplemented;
6947 case CP0_REG23__TRACECONTROL2:
6948 /* PDtrace support */
6949 /* gen_helper_mtc0_tracecontrol2(cpu_env, arg); */
6950 register_name = "TraceControl2";
6951 /* Stop translation as we may have switched the execution mode */
6952 ctx->base.is_jmp = DISAS_STOP;
6953 goto cp0_unimplemented;
6954 case CP0_REG23__USERTRACEDATA1:
6955 /* Stop translation as we may have switched the execution mode */
6956 ctx->base.is_jmp = DISAS_STOP;
6957 /* PDtrace support */
6958 /* gen_helper_mtc0_usertracedata1(cpu_env, arg);*/
6959 register_name = "UserTraceData";
6960 /* Stop translation as we may have switched the execution mode */
6961 ctx->base.is_jmp = DISAS_STOP;
6962 goto cp0_unimplemented;
6963 case CP0_REG23__TRACEIBPC:
6964 /* PDtrace support */
6965 /* gen_helper_mtc0_traceibpc(cpu_env, arg); */
6966 /* Stop translation as we may have switched the execution mode */
6967 ctx->base.is_jmp = DISAS_STOP;
6968 register_name = "TraceIBPC";
6969 goto cp0_unimplemented;
6970 case CP0_REG23__TRACEDBPC:
6971 /* PDtrace support */
6972 /* gen_helper_mtc0_tracedbpc(cpu_env, arg); */
6973 /* Stop translation as we may have switched the execution mode */
6974 ctx->base.is_jmp = DISAS_STOP;
6975 register_name = "TraceDBPC";
6976 goto cp0_unimplemented;
6977 default:
6978 goto cp0_unimplemented;
6979 }
6980 break;
6981 case CP0_REGISTER_24:
6982 switch (sel) {
6983 case CP0_REG24__DEPC:
6984 /* EJTAG support */
6985 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_DEPC));
6986 register_name = "DEPC";
6987 break;
6988 default:
6989 goto cp0_unimplemented;
6990 }
6991 break;
6992 case CP0_REGISTER_25:
6993 switch (sel) {
6994 case CP0_REG25__PERFCTL0:
6995 gen_helper_mtc0_performance0(cpu_env, arg);
6996 register_name = "Performance0";
6997 break;
6998 case CP0_REG25__PERFCNT0:
6999 /* gen_helper_mtc0_performance1(arg); */
7000 register_name = "Performance1";
7001 goto cp0_unimplemented;
7002 case CP0_REG25__PERFCTL1:
7003 /* gen_helper_mtc0_performance2(arg); */
7004 register_name = "Performance2";
7005 goto cp0_unimplemented;
7006 case CP0_REG25__PERFCNT1:
7007 /* gen_helper_mtc0_performance3(arg); */
7008 register_name = "Performance3";
7009 goto cp0_unimplemented;
7010 case CP0_REG25__PERFCTL2:
7011 /* gen_helper_mtc0_performance4(arg); */
7012 register_name = "Performance4";
7013 goto cp0_unimplemented;
7014 case CP0_REG25__PERFCNT2:
7015 /* gen_helper_mtc0_performance5(arg); */
7016 register_name = "Performance5";
7017 goto cp0_unimplemented;
7018 case CP0_REG25__PERFCTL3:
7019 /* gen_helper_mtc0_performance6(arg); */
7020 register_name = "Performance6";
7021 goto cp0_unimplemented;
7022 case CP0_REG25__PERFCNT3:
7023 /* gen_helper_mtc0_performance7(arg); */
7024 register_name = "Performance7";
7025 goto cp0_unimplemented;
7026 default:
7027 goto cp0_unimplemented;
7028 }
7029 break;
7030 case CP0_REGISTER_26:
7031 switch (sel) {
7032 case CP0_REG26__ERRCTL:
7033 gen_helper_mtc0_errctl(cpu_env, arg);
7034 ctx->base.is_jmp = DISAS_STOP;
7035 register_name = "ErrCtl";
7036 break;
7037 default:
7038 goto cp0_unimplemented;
7039 }
7040 break;
7041 case CP0_REGISTER_27:
7042 switch (sel) {
7043 case CP0_REG27__CACHERR:
7044 /* ignored */
7045 register_name = "CacheErr";
7046 break;
7047 default:
7048 goto cp0_unimplemented;
7049 }
7050 break;
7051 case CP0_REGISTER_28:
7052 switch (sel) {
7053 case CP0_REG28__TAGLO:
7054 case CP0_REG28__TAGLO1:
7055 case CP0_REG28__TAGLO2:
7056 case CP0_REG28__TAGLO3:
7057 gen_helper_mtc0_taglo(cpu_env, arg);
7058 register_name = "TagLo";
7059 break;
7060 case CP0_REG28__DATALO:
7061 case CP0_REG28__DATALO1:
7062 case CP0_REG28__DATALO2:
7063 case CP0_REG28__DATALO3:
7064 gen_helper_mtc0_datalo(cpu_env, arg);
7065 register_name = "DataLo";
7066 break;
7067 default:
7068 goto cp0_unimplemented;
7069 }
7070 break;
7071 case CP0_REGISTER_29:
7072 switch (sel) {
7073 case CP0_REG29__TAGHI:
7074 case CP0_REG29__TAGHI1:
7075 case CP0_REG29__TAGHI2:
7076 case CP0_REG29__TAGHI3:
7077 gen_helper_mtc0_taghi(cpu_env, arg);
7078 register_name = "TagHi";
7079 break;
7080 case CP0_REG29__DATAHI:
7081 case CP0_REG29__DATAHI1:
7082 case CP0_REG29__DATAHI2:
7083 case CP0_REG29__DATAHI3:
7084 gen_helper_mtc0_datahi(cpu_env, arg);
7085 register_name = "DataHi";
7086 break;
7087 default:
7088 register_name = "invalid sel";
7089 goto cp0_unimplemented;
7090 }
7091 break;
7092 case CP0_REGISTER_30:
7093 switch (sel) {
7094 case CP0_REG30__ERROREPC:
7095 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_ErrorEPC));
7096 register_name = "ErrorEPC";
7097 break;
7098 default:
7099 goto cp0_unimplemented;
7100 }
7101 break;
7102 case CP0_REGISTER_31:
7103 switch (sel) {
7104 case CP0_REG31__DESAVE:
7105 /* EJTAG support */
7106 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_DESAVE));
7107 register_name = "DESAVE";
7108 break;
7109 case CP0_REG31__KSCRATCH1:
7110 case CP0_REG31__KSCRATCH2:
7111 case CP0_REG31__KSCRATCH3:
7112 case CP0_REG31__KSCRATCH4:
7113 case CP0_REG31__KSCRATCH5:
7114 case CP0_REG31__KSCRATCH6:
7115 CP0_CHECK(ctx->kscrexist & (1 << sel));
7116 tcg_gen_st_tl(arg, cpu_env,
7117 offsetof(CPUMIPSState, CP0_KScratch[sel - 2]));
7118 register_name = "KScratch";
7119 break;
7120 default:
7121 goto cp0_unimplemented;
7122 }
7123 break;
7124 default:
7125 goto cp0_unimplemented;
7126 }
7127 trace_mips_translate_c0("mtc0", register_name, reg, sel);
7128
7129 /* For simplicity assume that all writes can cause interrupts. */
7130 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
7131 /*
7132 * DISAS_STOP isn't sufficient, we need to ensure we break out of
7133 * translated code to check for pending interrupts.
7134 */
7135 gen_save_pc(ctx->base.pc_next + 4);
7136 ctx->base.is_jmp = DISAS_EXIT;
7137 }
7138 return;
7139
7140 cp0_unimplemented:
7141 qemu_log_mask(LOG_UNIMP, "mtc0 %s (reg %d sel %d)\n",
7142 register_name, reg, sel);
7143 }
7144
7145 #if defined(TARGET_MIPS64)
7146 static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
7147 {
7148 const char *register_name = "invalid";
7149
7150 if (sel != 0) {
7151 check_insn(ctx, ISA_MIPS_R1);
7152 }
7153
7154 switch (reg) {
7155 case CP0_REGISTER_00:
7156 switch (sel) {
7157 case CP0_REG00__INDEX:
7158 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Index));
7159 register_name = "Index";
7160 break;
7161 case CP0_REG00__MVPCONTROL:
7162 CP0_CHECK(ctx->insn_flags & ASE_MT);
7163 gen_helper_mfc0_mvpcontrol(arg, cpu_env);
7164 register_name = "MVPControl";
7165 break;
7166 case CP0_REG00__MVPCONF0:
7167 CP0_CHECK(ctx->insn_flags & ASE_MT);
7168 gen_helper_mfc0_mvpconf0(arg, cpu_env);
7169 register_name = "MVPConf0";
7170 break;
7171 case CP0_REG00__MVPCONF1:
7172 CP0_CHECK(ctx->insn_flags & ASE_MT);
7173 gen_helper_mfc0_mvpconf1(arg, cpu_env);
7174 register_name = "MVPConf1";
7175 break;
7176 case CP0_REG00__VPCONTROL:
7177 CP0_CHECK(ctx->vp);
7178 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPControl));
7179 register_name = "VPControl";
7180 break;
7181 default:
7182 goto cp0_unimplemented;
7183 }
7184 break;
7185 case CP0_REGISTER_01:
7186 switch (sel) {
7187 case CP0_REG01__RANDOM:
7188 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6));
7189 gen_helper_mfc0_random(arg, cpu_env);
7190 register_name = "Random";
7191 break;
7192 case CP0_REG01__VPECONTROL:
7193 CP0_CHECK(ctx->insn_flags & ASE_MT);
7194 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEControl));
7195 register_name = "VPEControl";
7196 break;
7197 case CP0_REG01__VPECONF0:
7198 CP0_CHECK(ctx->insn_flags & ASE_MT);
7199 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf0));
7200 register_name = "VPEConf0";
7201 break;
7202 case CP0_REG01__VPECONF1:
7203 CP0_CHECK(ctx->insn_flags & ASE_MT);
7204 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf1));
7205 register_name = "VPEConf1";
7206 break;
7207 case CP0_REG01__YQMASK:
7208 CP0_CHECK(ctx->insn_flags & ASE_MT);
7209 tcg_gen_ld_tl(arg, cpu_env,
7210 offsetof(CPUMIPSState, CP0_YQMask));
7211 register_name = "YQMask";
7212 break;
7213 case CP0_REG01__VPESCHEDULE:
7214 CP0_CHECK(ctx->insn_flags & ASE_MT);
7215 tcg_gen_ld_tl(arg, cpu_env,
7216 offsetof(CPUMIPSState, CP0_VPESchedule));
7217 register_name = "VPESchedule";
7218 break;
7219 case CP0_REG01__VPESCHEFBACK:
7220 CP0_CHECK(ctx->insn_flags & ASE_MT);
7221 tcg_gen_ld_tl(arg, cpu_env,
7222 offsetof(CPUMIPSState, CP0_VPEScheFBack));
7223 register_name = "VPEScheFBack";
7224 break;
7225 case CP0_REG01__VPEOPT:
7226 CP0_CHECK(ctx->insn_flags & ASE_MT);
7227 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEOpt));
7228 register_name = "VPEOpt";
7229 break;
7230 default:
7231 goto cp0_unimplemented;
7232 }
7233 break;
7234 case CP0_REGISTER_02:
7235 switch (sel) {
7236 case CP0_REG02__ENTRYLO0:
7237 tcg_gen_ld_tl(arg, cpu_env,
7238 offsetof(CPUMIPSState, CP0_EntryLo0));
7239 register_name = "EntryLo0";
7240 break;
7241 case CP0_REG02__TCSTATUS:
7242 CP0_CHECK(ctx->insn_flags & ASE_MT);
7243 gen_helper_mfc0_tcstatus(arg, cpu_env);
7244 register_name = "TCStatus";
7245 break;
7246 case CP0_REG02__TCBIND:
7247 CP0_CHECK(ctx->insn_flags & ASE_MT);
7248 gen_helper_mfc0_tcbind(arg, cpu_env);
7249 register_name = "TCBind";
7250 break;
7251 case CP0_REG02__TCRESTART:
7252 CP0_CHECK(ctx->insn_flags & ASE_MT);
7253 gen_helper_dmfc0_tcrestart(arg, cpu_env);
7254 register_name = "TCRestart";
7255 break;
7256 case CP0_REG02__TCHALT:
7257 CP0_CHECK(ctx->insn_flags & ASE_MT);
7258 gen_helper_dmfc0_tchalt(arg, cpu_env);
7259 register_name = "TCHalt";
7260 break;
7261 case CP0_REG02__TCCONTEXT:
7262 CP0_CHECK(ctx->insn_flags & ASE_MT);
7263 gen_helper_dmfc0_tccontext(arg, cpu_env);
7264 register_name = "TCContext";
7265 break;
7266 case CP0_REG02__TCSCHEDULE:
7267 CP0_CHECK(ctx->insn_flags & ASE_MT);
7268 gen_helper_dmfc0_tcschedule(arg, cpu_env);
7269 register_name = "TCSchedule";
7270 break;
7271 case CP0_REG02__TCSCHEFBACK:
7272 CP0_CHECK(ctx->insn_flags & ASE_MT);
7273 gen_helper_dmfc0_tcschefback(arg, cpu_env);
7274 register_name = "TCScheFBack";
7275 break;
7276 default:
7277 goto cp0_unimplemented;
7278 }
7279 break;
7280 case CP0_REGISTER_03:
7281 switch (sel) {
7282 case CP0_REG03__ENTRYLO1:
7283 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EntryLo1));
7284 register_name = "EntryLo1";
7285 break;
7286 case CP0_REG03__GLOBALNUM:
7287 CP0_CHECK(ctx->vp);
7288 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_GlobalNumber));
7289 register_name = "GlobalNumber";
7290 break;
7291 default:
7292 goto cp0_unimplemented;
7293 }
7294 break;
7295 case CP0_REGISTER_04:
7296 switch (sel) {
7297 case CP0_REG04__CONTEXT:
7298 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_Context));
7299 register_name = "Context";
7300 break;
7301 case CP0_REG04__CONTEXTCONFIG:
7302 /* SmartMIPS ASE */
7303 /* gen_helper_dmfc0_contextconfig(arg); */
7304 register_name = "ContextConfig";
7305 goto cp0_unimplemented;
7306 case CP0_REG04__USERLOCAL:
7307 CP0_CHECK(ctx->ulri);
7308 tcg_gen_ld_tl(arg, cpu_env,
7309 offsetof(CPUMIPSState, active_tc.CP0_UserLocal));
7310 register_name = "UserLocal";
7311 break;
7312 case CP0_REG04__MMID:
7313 CP0_CHECK(ctx->mi);
7314 gen_helper_mtc0_memorymapid(cpu_env, arg);
7315 register_name = "MMID";
7316 break;
7317 default:
7318 goto cp0_unimplemented;
7319 }
7320 break;
7321 case CP0_REGISTER_05:
7322 switch (sel) {
7323 case CP0_REG05__PAGEMASK:
7324 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageMask));
7325 register_name = "PageMask";
7326 break;
7327 case CP0_REG05__PAGEGRAIN:
7328 check_insn(ctx, ISA_MIPS_R2);
7329 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageGrain));
7330 register_name = "PageGrain";
7331 break;
7332 case CP0_REG05__SEGCTL0:
7333 CP0_CHECK(ctx->sc);
7334 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_SegCtl0));
7335 register_name = "SegCtl0";
7336 break;
7337 case CP0_REG05__SEGCTL1:
7338 CP0_CHECK(ctx->sc);
7339 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_SegCtl1));
7340 register_name = "SegCtl1";
7341 break;
7342 case CP0_REG05__SEGCTL2:
7343 CP0_CHECK(ctx->sc);
7344 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_SegCtl2));
7345 register_name = "SegCtl2";
7346 break;
7347 case CP0_REG05__PWBASE:
7348 check_pw(ctx);
7349 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_PWBase));
7350 register_name = "PWBase";
7351 break;
7352 case CP0_REG05__PWFIELD:
7353 check_pw(ctx);
7354 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_PWField));
7355 register_name = "PWField";
7356 break;
7357 case CP0_REG05__PWSIZE:
7358 check_pw(ctx);
7359 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_PWSize));
7360 register_name = "PWSize";
7361 break;
7362 default:
7363 goto cp0_unimplemented;
7364 }
7365 break;
7366 case CP0_REGISTER_06:
7367 switch (sel) {
7368 case CP0_REG06__WIRED:
7369 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Wired));
7370 register_name = "Wired";
7371 break;
7372 case CP0_REG06__SRSCONF0:
7373 check_insn(ctx, ISA_MIPS_R2);
7374 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf0));
7375 register_name = "SRSConf0";
7376 break;
7377 case CP0_REG06__SRSCONF1:
7378 check_insn(ctx, ISA_MIPS_R2);
7379 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf1));
7380 register_name = "SRSConf1";
7381 break;
7382 case CP0_REG06__SRSCONF2:
7383 check_insn(ctx, ISA_MIPS_R2);
7384 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf2));
7385 register_name = "SRSConf2";
7386 break;
7387 case CP0_REG06__SRSCONF3:
7388 check_insn(ctx, ISA_MIPS_R2);
7389 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf3));
7390 register_name = "SRSConf3";
7391 break;
7392 case CP0_REG06__SRSCONF4:
7393 check_insn(ctx, ISA_MIPS_R2);
7394 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf4));
7395 register_name = "SRSConf4";
7396 break;
7397 case CP0_REG06__PWCTL:
7398 check_pw(ctx);
7399 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWCtl));
7400 register_name = "PWCtl";
7401 break;
7402 default:
7403 goto cp0_unimplemented;
7404 }
7405 break;
7406 case CP0_REGISTER_07:
7407 switch (sel) {
7408 case CP0_REG07__HWRENA:
7409 check_insn(ctx, ISA_MIPS_R2);
7410 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_HWREna));
7411 register_name = "HWREna";
7412 break;
7413 default:
7414 goto cp0_unimplemented;
7415 }
7416 break;
7417 case CP0_REGISTER_08:
7418 switch (sel) {
7419 case CP0_REG08__BADVADDR:
7420 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_BadVAddr));
7421 register_name = "BadVAddr";
7422 break;
7423 case CP0_REG08__BADINSTR:
7424 CP0_CHECK(ctx->bi);
7425 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstr));
7426 register_name = "BadInstr";
7427 break;
7428 case CP0_REG08__BADINSTRP:
7429 CP0_CHECK(ctx->bp);
7430 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrP));
7431 register_name = "BadInstrP";
7432 break;
7433 case CP0_REG08__BADINSTRX:
7434 CP0_CHECK(ctx->bi);
7435 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrX));
7436 tcg_gen_andi_tl(arg, arg, ~0xffff);
7437 register_name = "BadInstrX";
7438 break;
7439 default:
7440 goto cp0_unimplemented;
7441 }
7442 break;
7443 case CP0_REGISTER_09:
7444 switch (sel) {
7445 case CP0_REG09__COUNT:
7446 /* Mark as an IO operation because we read the time. */
7447 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
7448 gen_io_start();
7449 }
7450 gen_helper_mfc0_count(arg, cpu_env);
7451 /*
7452 * Break the TB to be able to take timer interrupts immediately
7453 * after reading count. DISAS_STOP isn't sufficient, we need to
7454 * ensure we break completely out of translated code.
7455 */
7456 gen_save_pc(ctx->base.pc_next + 4);
7457 ctx->base.is_jmp = DISAS_EXIT;
7458 register_name = "Count";
7459 break;
7460 case CP0_REG09__SAARI:
7461 CP0_CHECK(ctx->saar);
7462 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SAARI));
7463 register_name = "SAARI";
7464 break;
7465 case CP0_REG09__SAAR:
7466 CP0_CHECK(ctx->saar);
7467 gen_helper_dmfc0_saar(arg, cpu_env);
7468 register_name = "SAAR";
7469 break;
7470 default:
7471 goto cp0_unimplemented;
7472 }
7473 break;
7474 case CP0_REGISTER_10:
7475 switch (sel) {
7476 case CP0_REG10__ENTRYHI:
7477 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EntryHi));
7478 register_name = "EntryHi";
7479 break;
7480 default:
7481 goto cp0_unimplemented;
7482 }
7483 break;
7484 case CP0_REGISTER_11:
7485 switch (sel) {
7486 case CP0_REG11__COMPARE:
7487 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Compare));
7488 register_name = "Compare";
7489 break;
7490 /* 6,7 are implementation dependent */
7491 default:
7492 goto cp0_unimplemented;
7493 }
7494 break;
7495 case CP0_REGISTER_12:
7496 switch (sel) {
7497 case CP0_REG12__STATUS:
7498 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Status));
7499 register_name = "Status";
7500 break;
7501 case CP0_REG12__INTCTL:
7502 check_insn(ctx, ISA_MIPS_R2);
7503 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_IntCtl));
7504 register_name = "IntCtl";
7505 break;
7506 case CP0_REG12__SRSCTL:
7507 check_insn(ctx, ISA_MIPS_R2);
7508 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSCtl));
7509 register_name = "SRSCtl";
7510 break;
7511 case CP0_REG12__SRSMAP:
7512 check_insn(ctx, ISA_MIPS_R2);
7513 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSMap));
7514 register_name = "SRSMap";
7515 break;
7516 default:
7517 goto cp0_unimplemented;
7518 }
7519 break;
7520 case CP0_REGISTER_13:
7521 switch (sel) {
7522 case CP0_REG13__CAUSE:
7523 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Cause));
7524 register_name = "Cause";
7525 break;
7526 default:
7527 goto cp0_unimplemented;
7528 }
7529 break;
7530 case CP0_REGISTER_14:
7531 switch (sel) {
7532 case CP0_REG14__EPC:
7533 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EPC));
7534 register_name = "EPC";
7535 break;
7536 default:
7537 goto cp0_unimplemented;
7538 }
7539 break;
7540 case CP0_REGISTER_15:
7541 switch (sel) {
7542 case CP0_REG15__PRID:
7543 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PRid));
7544 register_name = "PRid";
7545 break;
7546 case CP0_REG15__EBASE:
7547 check_insn(ctx, ISA_MIPS_R2);
7548 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EBase));
7549 register_name = "EBase";
7550 break;
7551 case CP0_REG15__CMGCRBASE:
7552 check_insn(ctx, ISA_MIPS_R2);
7553 CP0_CHECK(ctx->cmgcr);
7554 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_CMGCRBase));
7555 register_name = "CMGCRBase";
7556 break;
7557 default:
7558 goto cp0_unimplemented;
7559 }
7560 break;
7561 case CP0_REGISTER_16:
7562 switch (sel) {
7563 case CP0_REG16__CONFIG:
7564 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config0));
7565 register_name = "Config";
7566 break;
7567 case CP0_REG16__CONFIG1:
7568 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config1));
7569 register_name = "Config1";
7570 break;
7571 case CP0_REG16__CONFIG2:
7572 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config2));
7573 register_name = "Config2";
7574 break;
7575 case CP0_REG16__CONFIG3:
7576 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config3));
7577 register_name = "Config3";
7578 break;
7579 case CP0_REG16__CONFIG4:
7580 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config4));
7581 register_name = "Config4";
7582 break;
7583 case CP0_REG16__CONFIG5:
7584 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config5));
7585 register_name = "Config5";
7586 break;
7587 /* 6,7 are implementation dependent */
7588 case CP0_REG16__CONFIG6:
7589 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config6));
7590 register_name = "Config6";
7591 break;
7592 case CP0_REG16__CONFIG7:
7593 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config7));
7594 register_name = "Config7";
7595 break;
7596 default:
7597 goto cp0_unimplemented;
7598 }
7599 break;
7600 case CP0_REGISTER_17:
7601 switch (sel) {
7602 case CP0_REG17__LLADDR:
7603 gen_helper_dmfc0_lladdr(arg, cpu_env);
7604 register_name = "LLAddr";
7605 break;
7606 case CP0_REG17__MAAR:
7607 CP0_CHECK(ctx->mrp);
7608 gen_helper_dmfc0_maar(arg, cpu_env);
7609 register_name = "MAAR";
7610 break;
7611 case CP0_REG17__MAARI:
7612 CP0_CHECK(ctx->mrp);
7613 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_MAARI));
7614 register_name = "MAARI";
7615 break;
7616 default:
7617 goto cp0_unimplemented;
7618 }
7619 break;
7620 case CP0_REGISTER_18:
7621 switch (sel) {
7622 case CP0_REG18__WATCHLO0:
7623 case CP0_REG18__WATCHLO1:
7624 case CP0_REG18__WATCHLO2:
7625 case CP0_REG18__WATCHLO3:
7626 case CP0_REG18__WATCHLO4:
7627 case CP0_REG18__WATCHLO5:
7628 case CP0_REG18__WATCHLO6:
7629 case CP0_REG18__WATCHLO7:
7630 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
7631 gen_helper_1e0i(dmfc0_watchlo, arg, sel);
7632 register_name = "WatchLo";
7633 break;
7634 default:
7635 goto cp0_unimplemented;
7636 }
7637 break;
7638 case CP0_REGISTER_19:
7639 switch (sel) {
7640 case CP0_REG19__WATCHHI0:
7641 case CP0_REG19__WATCHHI1:
7642 case CP0_REG19__WATCHHI2:
7643 case CP0_REG19__WATCHHI3:
7644 case CP0_REG19__WATCHHI4:
7645 case CP0_REG19__WATCHHI5:
7646 case CP0_REG19__WATCHHI6:
7647 case CP0_REG19__WATCHHI7:
7648 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
7649 gen_helper_1e0i(dmfc0_watchhi, arg, sel);
7650 register_name = "WatchHi";
7651 break;
7652 default:
7653 goto cp0_unimplemented;
7654 }
7655 break;
7656 case CP0_REGISTER_20:
7657 switch (sel) {
7658 case CP0_REG20__XCONTEXT:
7659 check_insn(ctx, ISA_MIPS3);
7660 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_XContext));
7661 register_name = "XContext";
7662 break;
7663 default:
7664 goto cp0_unimplemented;
7665 }
7666 break;
7667 case CP0_REGISTER_21:
7668 /* Officially reserved, but sel 0 is used for R1x000 framemask */
7669 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6));
7670 switch (sel) {
7671 case 0:
7672 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Framemask));
7673 register_name = "Framemask";
7674 break;
7675 default:
7676 goto cp0_unimplemented;
7677 }
7678 break;
7679 case CP0_REGISTER_22:
7680 tcg_gen_movi_tl(arg, 0); /* unimplemented */
7681 register_name = "'Diagnostic"; /* implementation dependent */
7682 break;
7683 case CP0_REGISTER_23:
7684 switch (sel) {
7685 case CP0_REG23__DEBUG:
7686 gen_helper_mfc0_debug(arg, cpu_env); /* EJTAG support */
7687 register_name = "Debug";
7688 break;
7689 case CP0_REG23__TRACECONTROL:
7690 /* PDtrace support */
7691 /* gen_helper_dmfc0_tracecontrol(arg, cpu_env); */
7692 register_name = "TraceControl";
7693 goto cp0_unimplemented;
7694 case CP0_REG23__TRACECONTROL2:
7695 /* PDtrace support */
7696 /* gen_helper_dmfc0_tracecontrol2(arg, cpu_env); */
7697 register_name = "TraceControl2";
7698 goto cp0_unimplemented;
7699 case CP0_REG23__USERTRACEDATA1:
7700 /* PDtrace support */
7701 /* gen_helper_dmfc0_usertracedata1(arg, cpu_env);*/
7702 register_name = "UserTraceData1";
7703 goto cp0_unimplemented;
7704 case CP0_REG23__TRACEIBPC:
7705 /* PDtrace support */
7706 /* gen_helper_dmfc0_traceibpc(arg, cpu_env); */
7707 register_name = "TraceIBPC";
7708 goto cp0_unimplemented;
7709 case CP0_REG23__TRACEDBPC:
7710 /* PDtrace support */
7711 /* gen_helper_dmfc0_tracedbpc(arg, cpu_env); */
7712 register_name = "TraceDBPC";
7713 goto cp0_unimplemented;
7714 default:
7715 goto cp0_unimplemented;
7716 }
7717 break;
7718 case CP0_REGISTER_24:
7719 switch (sel) {
7720 case CP0_REG24__DEPC:
7721 /* EJTAG support */
7722 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_DEPC));
7723 register_name = "DEPC";
7724 break;
7725 default:
7726 goto cp0_unimplemented;
7727 }
7728 break;
7729 case CP0_REGISTER_25:
7730 switch (sel) {
7731 case CP0_REG25__PERFCTL0:
7732 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Performance0));
7733 register_name = "Performance0";
7734 break;
7735 case CP0_REG25__PERFCNT0:
7736 /* gen_helper_dmfc0_performance1(arg); */
7737 register_name = "Performance1";
7738 goto cp0_unimplemented;
7739 case CP0_REG25__PERFCTL1:
7740 /* gen_helper_dmfc0_performance2(arg); */
7741 register_name = "Performance2";
7742 goto cp0_unimplemented;
7743 case CP0_REG25__PERFCNT1:
7744 /* gen_helper_dmfc0_performance3(arg); */
7745 register_name = "Performance3";
7746 goto cp0_unimplemented;
7747 case CP0_REG25__PERFCTL2:
7748 /* gen_helper_dmfc0_performance4(arg); */
7749 register_name = "Performance4";
7750 goto cp0_unimplemented;
7751 case CP0_REG25__PERFCNT2:
7752 /* gen_helper_dmfc0_performance5(arg); */
7753 register_name = "Performance5";
7754 goto cp0_unimplemented;
7755 case CP0_REG25__PERFCTL3:
7756 /* gen_helper_dmfc0_performance6(arg); */
7757 register_name = "Performance6";
7758 goto cp0_unimplemented;
7759 case CP0_REG25__PERFCNT3:
7760 /* gen_helper_dmfc0_performance7(arg); */
7761 register_name = "Performance7";
7762 goto cp0_unimplemented;
7763 default:
7764 goto cp0_unimplemented;
7765 }
7766 break;
7767 case CP0_REGISTER_26:
7768 switch (sel) {
7769 case CP0_REG26__ERRCTL:
7770 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_ErrCtl));
7771 register_name = "ErrCtl";
7772 break;
7773 default:
7774 goto cp0_unimplemented;
7775 }
7776 break;
7777 case CP0_REGISTER_27:
7778 switch (sel) {
7779 /* ignored */
7780 case CP0_REG27__CACHERR:
7781 tcg_gen_movi_tl(arg, 0); /* unimplemented */
7782 register_name = "CacheErr";
7783 break;
7784 default:
7785 goto cp0_unimplemented;
7786 }
7787 break;
7788 case CP0_REGISTER_28:
7789 switch (sel) {
7790 case CP0_REG28__TAGLO:
7791 case CP0_REG28__TAGLO1:
7792 case CP0_REG28__TAGLO2:
7793 case CP0_REG28__TAGLO3:
7794 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_TagLo));
7795 register_name = "TagLo";
7796 break;
7797 case CP0_REG28__DATALO:
7798 case CP0_REG28__DATALO1:
7799 case CP0_REG28__DATALO2:
7800 case CP0_REG28__DATALO3:
7801 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataLo));
7802 register_name = "DataLo";
7803 break;
7804 default:
7805 goto cp0_unimplemented;
7806 }
7807 break;
7808 case CP0_REGISTER_29:
7809 switch (sel) {
7810 case CP0_REG29__TAGHI:
7811 case CP0_REG29__TAGHI1:
7812 case CP0_REG29__TAGHI2:
7813 case CP0_REG29__TAGHI3:
7814 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_TagHi));
7815 register_name = "TagHi";
7816 break;
7817 case CP0_REG29__DATAHI:
7818 case CP0_REG29__DATAHI1:
7819 case CP0_REG29__DATAHI2:
7820 case CP0_REG29__DATAHI3:
7821 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataHi));
7822 register_name = "DataHi";
7823 break;
7824 default:
7825 goto cp0_unimplemented;
7826 }
7827 break;
7828 case CP0_REGISTER_30:
7829 switch (sel) {
7830 case CP0_REG30__ERROREPC:
7831 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_ErrorEPC));
7832 register_name = "ErrorEPC";
7833 break;
7834 default:
7835 goto cp0_unimplemented;
7836 }
7837 break;
7838 case CP0_REGISTER_31:
7839 switch (sel) {
7840 case CP0_REG31__DESAVE:
7841 /* EJTAG support */
7842 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DESAVE));
7843 register_name = "DESAVE";
7844 break;
7845 case CP0_REG31__KSCRATCH1:
7846 case CP0_REG31__KSCRATCH2:
7847 case CP0_REG31__KSCRATCH3:
7848 case CP0_REG31__KSCRATCH4:
7849 case CP0_REG31__KSCRATCH5:
7850 case CP0_REG31__KSCRATCH6:
7851 CP0_CHECK(ctx->kscrexist & (1 << sel));
7852 tcg_gen_ld_tl(arg, cpu_env,
7853 offsetof(CPUMIPSState, CP0_KScratch[sel - 2]));
7854 register_name = "KScratch";
7855 break;
7856 default:
7857 goto cp0_unimplemented;
7858 }
7859 break;
7860 default:
7861 goto cp0_unimplemented;
7862 }
7863 trace_mips_translate_c0("dmfc0", register_name, reg, sel);
7864 return;
7865
7866 cp0_unimplemented:
7867 qemu_log_mask(LOG_UNIMP, "dmfc0 %s (reg %d sel %d)\n",
7868 register_name, reg, sel);
7869 gen_mfc0_unimplemented(ctx, arg);
7870 }
7871
7872 static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
7873 {
7874 const char *register_name = "invalid";
7875
7876 if (sel != 0) {
7877 check_insn(ctx, ISA_MIPS_R1);
7878 }
7879
7880 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
7881 gen_io_start();
7882 }
7883
7884 switch (reg) {
7885 case CP0_REGISTER_00:
7886 switch (sel) {
7887 case CP0_REG00__INDEX:
7888 gen_helper_mtc0_index(cpu_env, arg);
7889 register_name = "Index";
7890 break;
7891 case CP0_REG00__MVPCONTROL:
7892 CP0_CHECK(ctx->insn_flags & ASE_MT);
7893 gen_helper_mtc0_mvpcontrol(cpu_env, arg);
7894 register_name = "MVPControl";
7895 break;
7896 case CP0_REG00__MVPCONF0:
7897 CP0_CHECK(ctx->insn_flags & ASE_MT);
7898 /* ignored */
7899 register_name = "MVPConf0";
7900 break;
7901 case CP0_REG00__MVPCONF1:
7902 CP0_CHECK(ctx->insn_flags & ASE_MT);
7903 /* ignored */
7904 register_name = "MVPConf1";
7905 break;
7906 case CP0_REG00__VPCONTROL:
7907 CP0_CHECK(ctx->vp);
7908 /* ignored */
7909 register_name = "VPControl";
7910 break;
7911 default:
7912 goto cp0_unimplemented;
7913 }
7914 break;
7915 case CP0_REGISTER_01:
7916 switch (sel) {
7917 case CP0_REG01__RANDOM:
7918 /* ignored */
7919 register_name = "Random";
7920 break;
7921 case CP0_REG01__VPECONTROL:
7922 CP0_CHECK(ctx->insn_flags & ASE_MT);
7923 gen_helper_mtc0_vpecontrol(cpu_env, arg);
7924 register_name = "VPEControl";
7925 break;
7926 case CP0_REG01__VPECONF0:
7927 CP0_CHECK(ctx->insn_flags & ASE_MT);
7928 gen_helper_mtc0_vpeconf0(cpu_env, arg);
7929 register_name = "VPEConf0";
7930 break;
7931 case CP0_REG01__VPECONF1:
7932 CP0_CHECK(ctx->insn_flags & ASE_MT);
7933 gen_helper_mtc0_vpeconf1(cpu_env, arg);
7934 register_name = "VPEConf1";
7935 break;
7936 case CP0_REG01__YQMASK:
7937 CP0_CHECK(ctx->insn_flags & ASE_MT);
7938 gen_helper_mtc0_yqmask(cpu_env, arg);
7939 register_name = "YQMask";
7940 break;
7941 case CP0_REG01__VPESCHEDULE:
7942 CP0_CHECK(ctx->insn_flags & ASE_MT);
7943 tcg_gen_st_tl(arg, cpu_env,
7944 offsetof(CPUMIPSState, CP0_VPESchedule));
7945 register_name = "VPESchedule";
7946 break;
7947 case CP0_REG01__VPESCHEFBACK:
7948 CP0_CHECK(ctx->insn_flags & ASE_MT);
7949 tcg_gen_st_tl(arg, cpu_env,
7950 offsetof(CPUMIPSState, CP0_VPEScheFBack));
7951 register_name = "VPEScheFBack";
7952 break;
7953 case CP0_REG01__VPEOPT:
7954 CP0_CHECK(ctx->insn_flags & ASE_MT);
7955 gen_helper_mtc0_vpeopt(cpu_env, arg);
7956 register_name = "VPEOpt";
7957 break;
7958 default:
7959 goto cp0_unimplemented;
7960 }
7961 break;
7962 case CP0_REGISTER_02:
7963 switch (sel) {
7964 case CP0_REG02__ENTRYLO0:
7965 gen_helper_dmtc0_entrylo0(cpu_env, arg);
7966 register_name = "EntryLo0";
7967 break;
7968 case CP0_REG02__TCSTATUS:
7969 CP0_CHECK(ctx->insn_flags & ASE_MT);
7970 gen_helper_mtc0_tcstatus(cpu_env, arg);
7971 register_name = "TCStatus";
7972 break;
7973 case CP0_REG02__TCBIND:
7974 CP0_CHECK(ctx->insn_flags & ASE_MT);
7975 gen_helper_mtc0_tcbind(cpu_env, arg);
7976 register_name = "TCBind";
7977 break;
7978 case CP0_REG02__TCRESTART:
7979 CP0_CHECK(ctx->insn_flags & ASE_MT);
7980 gen_helper_mtc0_tcrestart(cpu_env, arg);
7981 register_name = "TCRestart";
7982 break;
7983 case CP0_REG02__TCHALT:
7984 CP0_CHECK(ctx->insn_flags & ASE_MT);
7985 gen_helper_mtc0_tchalt(cpu_env, arg);
7986 register_name = "TCHalt";
7987 break;
7988 case CP0_REG02__TCCONTEXT:
7989 CP0_CHECK(ctx->insn_flags & ASE_MT);
7990 gen_helper_mtc0_tccontext(cpu_env, arg);
7991 register_name = "TCContext";
7992 break;
7993 case CP0_REG02__TCSCHEDULE:
7994 CP0_CHECK(ctx->insn_flags & ASE_MT);
7995 gen_helper_mtc0_tcschedule(cpu_env, arg);
7996 register_name = "TCSchedule";
7997 break;
7998 case CP0_REG02__TCSCHEFBACK:
7999 CP0_CHECK(ctx->insn_flags & ASE_MT);
8000 gen_helper_mtc0_tcschefback(cpu_env, arg);
8001 register_name = "TCScheFBack";
8002 break;
8003 default:
8004 goto cp0_unimplemented;
8005 }
8006 break;
8007 case CP0_REGISTER_03:
8008 switch (sel) {
8009 case CP0_REG03__ENTRYLO1:
8010 gen_helper_dmtc0_entrylo1(cpu_env, arg);
8011 register_name = "EntryLo1";
8012 break;
8013 case CP0_REG03__GLOBALNUM:
8014 CP0_CHECK(ctx->vp);
8015 /* ignored */
8016 register_name = "GlobalNumber";
8017 break;
8018 default:
8019 goto cp0_unimplemented;
8020 }
8021 break;
8022 case CP0_REGISTER_04:
8023 switch (sel) {
8024 case CP0_REG04__CONTEXT:
8025 gen_helper_mtc0_context(cpu_env, arg);
8026 register_name = "Context";
8027 break;
8028 case CP0_REG04__CONTEXTCONFIG:
8029 /* SmartMIPS ASE */
8030 /* gen_helper_dmtc0_contextconfig(arg); */
8031 register_name = "ContextConfig";
8032 goto cp0_unimplemented;
8033 case CP0_REG04__USERLOCAL:
8034 CP0_CHECK(ctx->ulri);
8035 tcg_gen_st_tl(arg, cpu_env,
8036 offsetof(CPUMIPSState, active_tc.CP0_UserLocal));
8037 register_name = "UserLocal";
8038 break;
8039 case CP0_REG04__MMID:
8040 CP0_CHECK(ctx->mi);
8041 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_MemoryMapID));
8042 register_name = "MMID";
8043 break;
8044 default:
8045 goto cp0_unimplemented;
8046 }
8047 break;
8048 case CP0_REGISTER_05:
8049 switch (sel) {
8050 case CP0_REG05__PAGEMASK:
8051 gen_helper_mtc0_pagemask(cpu_env, arg);
8052 register_name = "PageMask";
8053 break;
8054 case CP0_REG05__PAGEGRAIN:
8055 check_insn(ctx, ISA_MIPS_R2);
8056 gen_helper_mtc0_pagegrain(cpu_env, arg);
8057 register_name = "PageGrain";
8058 break;
8059 case CP0_REG05__SEGCTL0:
8060 CP0_CHECK(ctx->sc);
8061 gen_helper_mtc0_segctl0(cpu_env, arg);
8062 register_name = "SegCtl0";
8063 break;
8064 case CP0_REG05__SEGCTL1:
8065 CP0_CHECK(ctx->sc);
8066 gen_helper_mtc0_segctl1(cpu_env, arg);
8067 register_name = "SegCtl1";
8068 break;
8069 case CP0_REG05__SEGCTL2:
8070 CP0_CHECK(ctx->sc);
8071 gen_helper_mtc0_segctl2(cpu_env, arg);
8072 register_name = "SegCtl2";
8073 break;
8074 case CP0_REG05__PWBASE:
8075 check_pw(ctx);
8076 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_PWBase));
8077 register_name = "PWBase";
8078 break;
8079 case CP0_REG05__PWFIELD:
8080 check_pw(ctx);
8081 gen_helper_mtc0_pwfield(cpu_env, arg);
8082 register_name = "PWField";
8083 break;
8084 case CP0_REG05__PWSIZE:
8085 check_pw(ctx);
8086 gen_helper_mtc0_pwsize(cpu_env, arg);
8087 register_name = "PWSize";
8088 break;
8089 default:
8090 goto cp0_unimplemented;
8091 }
8092 break;
8093 case CP0_REGISTER_06:
8094 switch (sel) {
8095 case CP0_REG06__WIRED:
8096 gen_helper_mtc0_wired(cpu_env, arg);
8097 register_name = "Wired";
8098 break;
8099 case CP0_REG06__SRSCONF0:
8100 check_insn(ctx, ISA_MIPS_R2);
8101 gen_helper_mtc0_srsconf0(cpu_env, arg);
8102 register_name = "SRSConf0";
8103 break;
8104 case CP0_REG06__SRSCONF1:
8105 check_insn(ctx, ISA_MIPS_R2);
8106 gen_helper_mtc0_srsconf1(cpu_env, arg);
8107 register_name = "SRSConf1";
8108 break;
8109 case CP0_REG06__SRSCONF2:
8110 check_insn(ctx, ISA_MIPS_R2);
8111 gen_helper_mtc0_srsconf2(cpu_env, arg);
8112 register_name = "SRSConf2";
8113 break;
8114 case CP0_REG06__SRSCONF3:
8115 check_insn(ctx, ISA_MIPS_R2);
8116 gen_helper_mtc0_srsconf3(cpu_env, arg);
8117 register_name = "SRSConf3";
8118 break;
8119 case CP0_REG06__SRSCONF4:
8120 check_insn(ctx, ISA_MIPS_R2);
8121 gen_helper_mtc0_srsconf4(cpu_env, arg);
8122 register_name = "SRSConf4";
8123 break;
8124 case CP0_REG06__PWCTL:
8125 check_pw(ctx);
8126 gen_helper_mtc0_pwctl(cpu_env, arg);
8127 register_name = "PWCtl";
8128 break;
8129 default:
8130 goto cp0_unimplemented;
8131 }
8132 break;
8133 case CP0_REGISTER_07:
8134 switch (sel) {
8135 case CP0_REG07__HWRENA:
8136 check_insn(ctx, ISA_MIPS_R2);
8137 gen_helper_mtc0_hwrena(cpu_env, arg);
8138 ctx->base.is_jmp = DISAS_STOP;
8139 register_name = "HWREna";
8140 break;
8141 default:
8142 goto cp0_unimplemented;
8143 }
8144 break;
8145 case CP0_REGISTER_08:
8146 switch (sel) {
8147 case CP0_REG08__BADVADDR:
8148 /* ignored */
8149 register_name = "BadVAddr";
8150 break;
8151 case CP0_REG08__BADINSTR:
8152 /* ignored */
8153 register_name = "BadInstr";
8154 break;
8155 case CP0_REG08__BADINSTRP:
8156 /* ignored */
8157 register_name = "BadInstrP";
8158 break;
8159 case CP0_REG08__BADINSTRX:
8160 /* ignored */
8161 register_name = "BadInstrX";
8162 break;
8163 default:
8164 goto cp0_unimplemented;
8165 }
8166 break;
8167 case CP0_REGISTER_09:
8168 switch (sel) {
8169 case CP0_REG09__COUNT:
8170 gen_helper_mtc0_count(cpu_env, arg);
8171 register_name = "Count";
8172 break;
8173 case CP0_REG09__SAARI:
8174 CP0_CHECK(ctx->saar);
8175 gen_helper_mtc0_saari(cpu_env, arg);
8176 register_name = "SAARI";
8177 break;
8178 case CP0_REG09__SAAR:
8179 CP0_CHECK(ctx->saar);
8180 gen_helper_mtc0_saar(cpu_env, arg);
8181 register_name = "SAAR";
8182 break;
8183 default:
8184 goto cp0_unimplemented;
8185 }
8186 /* Stop translation as we may have switched the execution mode */
8187 ctx->base.is_jmp = DISAS_STOP;
8188 break;
8189 case CP0_REGISTER_10:
8190 switch (sel) {
8191 case CP0_REG10__ENTRYHI:
8192 gen_helper_mtc0_entryhi(cpu_env, arg);
8193 register_name = "EntryHi";
8194 break;
8195 default:
8196 goto cp0_unimplemented;
8197 }
8198 break;
8199 case CP0_REGISTER_11:
8200 switch (sel) {
8201 case CP0_REG11__COMPARE:
8202 gen_helper_mtc0_compare(cpu_env, arg);
8203 register_name = "Compare";
8204 break;
8205 /* 6,7 are implementation dependent */
8206 default:
8207 goto cp0_unimplemented;
8208 }
8209 /* Stop translation as we may have switched the execution mode */
8210 ctx->base.is_jmp = DISAS_STOP;
8211 break;
8212 case CP0_REGISTER_12:
8213 switch (sel) {
8214 case CP0_REG12__STATUS:
8215 save_cpu_state(ctx, 1);
8216 gen_helper_mtc0_status(cpu_env, arg);
8217 /* DISAS_STOP isn't good enough here, hflags may have changed. */
8218 gen_save_pc(ctx->base.pc_next + 4);
8219 ctx->base.is_jmp = DISAS_EXIT;
8220 register_name = "Status";
8221 break;
8222 case CP0_REG12__INTCTL:
8223 check_insn(ctx, ISA_MIPS_R2);
8224 gen_helper_mtc0_intctl(cpu_env, arg);
8225 /* Stop translation as we may have switched the execution mode */
8226 ctx->base.is_jmp = DISAS_STOP;
8227 register_name = "IntCtl";
8228 break;
8229 case CP0_REG12__SRSCTL:
8230 check_insn(ctx, ISA_MIPS_R2);
8231 gen_helper_mtc0_srsctl(cpu_env, arg);
8232 /* Stop translation as we may have switched the execution mode */
8233 ctx->base.is_jmp = DISAS_STOP;
8234 register_name = "SRSCtl";
8235 break;
8236 case CP0_REG12__SRSMAP:
8237 check_insn(ctx, ISA_MIPS_R2);
8238 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_SRSMap));
8239 /* Stop translation as we may have switched the execution mode */
8240 ctx->base.is_jmp = DISAS_STOP;
8241 register_name = "SRSMap";
8242 break;
8243 default:
8244 goto cp0_unimplemented;
8245 }
8246 break;
8247 case CP0_REGISTER_13:
8248 switch (sel) {
8249 case CP0_REG13__CAUSE:
8250 save_cpu_state(ctx, 1);
8251 gen_helper_mtc0_cause(cpu_env, arg);
8252 /*
8253 * Stop translation as we may have triggered an interrupt.
8254 * DISAS_STOP isn't sufficient, we need to ensure we break out of
8255 * translated code to check for pending interrupts.
8256 */
8257 gen_save_pc(ctx->base.pc_next + 4);
8258 ctx->base.is_jmp = DISAS_EXIT;
8259 register_name = "Cause";
8260 break;
8261 default:
8262 goto cp0_unimplemented;
8263 }
8264 break;
8265 case CP0_REGISTER_14:
8266 switch (sel) {
8267 case CP0_REG14__EPC:
8268 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EPC));
8269 register_name = "EPC";
8270 break;
8271 default:
8272 goto cp0_unimplemented;
8273 }
8274 break;
8275 case CP0_REGISTER_15:
8276 switch (sel) {
8277 case CP0_REG15__PRID:
8278 /* ignored */
8279 register_name = "PRid";
8280 break;
8281 case CP0_REG15__EBASE:
8282 check_insn(ctx, ISA_MIPS_R2);
8283 gen_helper_mtc0_ebase(cpu_env, arg);
8284 register_name = "EBase";
8285 break;
8286 default:
8287 goto cp0_unimplemented;
8288 }
8289 break;
8290 case CP0_REGISTER_16:
8291 switch (sel) {
8292 case CP0_REG16__CONFIG:
8293 gen_helper_mtc0_config0(cpu_env, arg);
8294 register_name = "Config";
8295 /* Stop translation as we may have switched the execution mode */
8296 ctx->base.is_jmp = DISAS_STOP;
8297 break;
8298 case CP0_REG16__CONFIG1:
8299 /* ignored, read only */
8300 register_name = "Config1";
8301 break;
8302 case CP0_REG16__CONFIG2:
8303 gen_helper_mtc0_config2(cpu_env, arg);
8304 register_name = "Config2";
8305 /* Stop translation as we may have switched the execution mode */
8306 ctx->base.is_jmp = DISAS_STOP;
8307 break;
8308 case CP0_REG16__CONFIG3:
8309 gen_helper_mtc0_config3(cpu_env, arg);
8310 register_name = "Config3";
8311 /* Stop translation as we may have switched the execution mode */
8312 ctx->base.is_jmp = DISAS_STOP;
8313 break;
8314 case CP0_REG16__CONFIG4:
8315 /* currently ignored */
8316 register_name = "Config4";
8317 break;
8318 case CP0_REG16__CONFIG5:
8319 gen_helper_mtc0_config5(cpu_env, arg);
8320 register_name = "Config5";
8321 /* Stop translation as we may have switched the execution mode */
8322 ctx->base.is_jmp = DISAS_STOP;
8323 break;
8324 /* 6,7 are implementation dependent */
8325 default:
8326 register_name = "Invalid config selector";
8327 goto cp0_unimplemented;
8328 }
8329 break;
8330 case CP0_REGISTER_17:
8331 switch (sel) {
8332 case CP0_REG17__LLADDR:
8333 gen_helper_mtc0_lladdr(cpu_env, arg);
8334 register_name = "LLAddr";
8335 break;
8336 case CP0_REG17__MAAR:
8337 CP0_CHECK(ctx->mrp);
8338 gen_helper_mtc0_maar(cpu_env, arg);
8339 register_name = "MAAR";
8340 break;
8341 case CP0_REG17__MAARI:
8342 CP0_CHECK(ctx->mrp);
8343 gen_helper_mtc0_maari(cpu_env, arg);
8344 register_name = "MAARI";
8345 break;
8346 default:
8347 goto cp0_unimplemented;
8348 }
8349 break;
8350 case CP0_REGISTER_18:
8351 switch (sel) {
8352 case CP0_REG18__WATCHLO0:
8353 case CP0_REG18__WATCHLO1:
8354 case CP0_REG18__WATCHLO2:
8355 case CP0_REG18__WATCHLO3:
8356 case CP0_REG18__WATCHLO4:
8357 case CP0_REG18__WATCHLO5:
8358 case CP0_REG18__WATCHLO6:
8359 case CP0_REG18__WATCHLO7:
8360 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
8361 gen_helper_0e1i(mtc0_watchlo, arg, sel);
8362 register_name = "WatchLo";
8363 break;
8364 default:
8365 goto cp0_unimplemented;
8366 }
8367 break;
8368 case CP0_REGISTER_19:
8369 switch (sel) {
8370 case CP0_REG19__WATCHHI0:
8371 case CP0_REG19__WATCHHI1:
8372 case CP0_REG19__WATCHHI2:
8373 case CP0_REG19__WATCHHI3:
8374 case CP0_REG19__WATCHHI4:
8375 case CP0_REG19__WATCHHI5:
8376 case CP0_REG19__WATCHHI6:
8377 case CP0_REG19__WATCHHI7:
8378 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
8379 gen_helper_0e1i(mtc0_watchhi, arg, sel);
8380 register_name = "WatchHi";
8381 break;
8382 default:
8383 goto cp0_unimplemented;
8384 }
8385 break;
8386 case CP0_REGISTER_20:
8387 switch (sel) {
8388 case CP0_REG20__XCONTEXT:
8389 check_insn(ctx, ISA_MIPS3);
8390 gen_helper_mtc0_xcontext(cpu_env, arg);
8391 register_name = "XContext";
8392 break;
8393 default:
8394 goto cp0_unimplemented;
8395 }
8396 break;
8397 case CP0_REGISTER_21:
8398 /* Officially reserved, but sel 0 is used for R1x000 framemask */
8399 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6));
8400 switch (sel) {
8401 case 0:
8402 gen_helper_mtc0_framemask(cpu_env, arg);
8403 register_name = "Framemask";
8404 break;
8405 default:
8406 goto cp0_unimplemented;
8407 }
8408 break;
8409 case CP0_REGISTER_22:
8410 /* ignored */
8411 register_name = "Diagnostic"; /* implementation dependent */
8412 break;
8413 case CP0_REGISTER_23:
8414 switch (sel) {
8415 case CP0_REG23__DEBUG:
8416 gen_helper_mtc0_debug(cpu_env, arg); /* EJTAG support */
8417 /* DISAS_STOP isn't good enough here, hflags may have changed. */
8418 gen_save_pc(ctx->base.pc_next + 4);
8419 ctx->base.is_jmp = DISAS_EXIT;
8420 register_name = "Debug";
8421 break;
8422 case CP0_REG23__TRACECONTROL:
8423 /* PDtrace support */
8424 /* gen_helper_mtc0_tracecontrol(cpu_env, arg); */
8425 /* Stop translation as we may have switched the execution mode */
8426 ctx->base.is_jmp = DISAS_STOP;
8427 register_name = "TraceControl";
8428 goto cp0_unimplemented;
8429 case CP0_REG23__TRACECONTROL2:
8430 /* PDtrace support */
8431 /* gen_helper_mtc0_tracecontrol2(cpu_env, arg); */
8432 /* Stop translation as we may have switched the execution mode */
8433 ctx->base.is_jmp = DISAS_STOP;
8434 register_name = "TraceControl2";
8435 goto cp0_unimplemented;
8436 case CP0_REG23__USERTRACEDATA1:
8437 /* PDtrace support */
8438 /* gen_helper_mtc0_usertracedata1(cpu_env, arg);*/
8439 /* Stop translation as we may have switched the execution mode */
8440 ctx->base.is_jmp = DISAS_STOP;
8441 register_name = "UserTraceData1";
8442 goto cp0_unimplemented;
8443 case CP0_REG23__TRACEIBPC:
8444 /* PDtrace support */
8445 /* gen_helper_mtc0_traceibpc(cpu_env, arg); */
8446 /* Stop translation as we may have switched the execution mode */
8447 ctx->base.is_jmp = DISAS_STOP;
8448 register_name = "TraceIBPC";
8449 goto cp0_unimplemented;
8450 case CP0_REG23__TRACEDBPC:
8451 /* PDtrace support */
8452 /* gen_helper_mtc0_tracedbpc(cpu_env, arg); */
8453 /* Stop translation as we may have switched the execution mode */
8454 ctx->base.is_jmp = DISAS_STOP;
8455 register_name = "TraceDBPC";
8456 goto cp0_unimplemented;
8457 default:
8458 goto cp0_unimplemented;
8459 }
8460 break;
8461 case CP0_REGISTER_24:
8462 switch (sel) {
8463 case CP0_REG24__DEPC:
8464 /* EJTAG support */
8465 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_DEPC));
8466 register_name = "DEPC";
8467 break;
8468 default:
8469 goto cp0_unimplemented;
8470 }
8471 break;
8472 case CP0_REGISTER_25:
8473 switch (sel) {
8474 case CP0_REG25__PERFCTL0:
8475 gen_helper_mtc0_performance0(cpu_env, arg);
8476 register_name = "Performance0";
8477 break;
8478 case CP0_REG25__PERFCNT0:
8479 /* gen_helper_mtc0_performance1(cpu_env, arg); */
8480 register_name = "Performance1";
8481 goto cp0_unimplemented;
8482 case CP0_REG25__PERFCTL1:
8483 /* gen_helper_mtc0_performance2(cpu_env, arg); */
8484 register_name = "Performance2";
8485 goto cp0_unimplemented;
8486 case CP0_REG25__PERFCNT1:
8487 /* gen_helper_mtc0_performance3(cpu_env, arg); */
8488 register_name = "Performance3";
8489 goto cp0_unimplemented;
8490 case CP0_REG25__PERFCTL2:
8491 /* gen_helper_mtc0_performance4(cpu_env, arg); */
8492 register_name = "Performance4";
8493 goto cp0_unimplemented;
8494 case CP0_REG25__PERFCNT2:
8495 /* gen_helper_mtc0_performance5(cpu_env, arg); */
8496 register_name = "Performance5";
8497 goto cp0_unimplemented;
8498 case CP0_REG25__PERFCTL3:
8499 /* gen_helper_mtc0_performance6(cpu_env, arg); */
8500 register_name = "Performance6";
8501 goto cp0_unimplemented;
8502 case CP0_REG25__PERFCNT3:
8503 /* gen_helper_mtc0_performance7(cpu_env, arg); */
8504 register_name = "Performance7";
8505 goto cp0_unimplemented;
8506 default:
8507 goto cp0_unimplemented;
8508 }
8509 break;
8510 case CP0_REGISTER_26:
8511 switch (sel) {
8512 case CP0_REG26__ERRCTL:
8513 gen_helper_mtc0_errctl(cpu_env, arg);
8514 ctx->base.is_jmp = DISAS_STOP;
8515 register_name = "ErrCtl";
8516 break;
8517 default:
8518 goto cp0_unimplemented;
8519 }
8520 break;
8521 case CP0_REGISTER_27:
8522 switch (sel) {
8523 case CP0_REG27__CACHERR:
8524 /* ignored */
8525 register_name = "CacheErr";
8526 break;
8527 default:
8528 goto cp0_unimplemented;
8529 }
8530 break;
8531 case CP0_REGISTER_28:
8532 switch (sel) {
8533 case CP0_REG28__TAGLO:
8534 case CP0_REG28__TAGLO1:
8535 case CP0_REG28__TAGLO2:
8536 case CP0_REG28__TAGLO3:
8537 gen_helper_mtc0_taglo(cpu_env, arg);
8538 register_name = "TagLo";
8539 break;
8540 case CP0_REG28__DATALO:
8541 case CP0_REG28__DATALO1:
8542 case CP0_REG28__DATALO2:
8543 case CP0_REG28__DATALO3:
8544 gen_helper_mtc0_datalo(cpu_env, arg);
8545 register_name = "DataLo";
8546 break;
8547 default:
8548 goto cp0_unimplemented;
8549 }
8550 break;
8551 case CP0_REGISTER_29:
8552 switch (sel) {
8553 case CP0_REG29__TAGHI:
8554 case CP0_REG29__TAGHI1:
8555 case CP0_REG29__TAGHI2:
8556 case CP0_REG29__TAGHI3:
8557 gen_helper_mtc0_taghi(cpu_env, arg);
8558 register_name = "TagHi";
8559 break;
8560 case CP0_REG29__DATAHI:
8561 case CP0_REG29__DATAHI1:
8562 case CP0_REG29__DATAHI2:
8563 case CP0_REG29__DATAHI3:
8564 gen_helper_mtc0_datahi(cpu_env, arg);
8565 register_name = "DataHi";
8566 break;
8567 default:
8568 register_name = "invalid sel";
8569 goto cp0_unimplemented;
8570 }
8571 break;
8572 case CP0_REGISTER_30:
8573 switch (sel) {
8574 case CP0_REG30__ERROREPC:
8575 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_ErrorEPC));
8576 register_name = "ErrorEPC";
8577 break;
8578 default:
8579 goto cp0_unimplemented;
8580 }
8581 break;
8582 case CP0_REGISTER_31:
8583 switch (sel) {
8584 case CP0_REG31__DESAVE:
8585 /* EJTAG support */
8586 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_DESAVE));
8587 register_name = "DESAVE";
8588 break;
8589 case CP0_REG31__KSCRATCH1:
8590 case CP0_REG31__KSCRATCH2:
8591 case CP0_REG31__KSCRATCH3:
8592 case CP0_REG31__KSCRATCH4:
8593 case CP0_REG31__KSCRATCH5:
8594 case CP0_REG31__KSCRATCH6:
8595 CP0_CHECK(ctx->kscrexist & (1 << sel));
8596 tcg_gen_st_tl(arg, cpu_env,
8597 offsetof(CPUMIPSState, CP0_KScratch[sel - 2]));
8598 register_name = "KScratch";
8599 break;
8600 default:
8601 goto cp0_unimplemented;
8602 }
8603 break;
8604 default:
8605 goto cp0_unimplemented;
8606 }
8607 trace_mips_translate_c0("dmtc0", register_name, reg, sel);
8608
8609 /* For simplicity assume that all writes can cause interrupts. */
8610 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
8611 /*
8612 * DISAS_STOP isn't sufficient, we need to ensure we break out of
8613 * translated code to check for pending interrupts.
8614 */
8615 gen_save_pc(ctx->base.pc_next + 4);
8616 ctx->base.is_jmp = DISAS_EXIT;
8617 }
8618 return;
8619
8620 cp0_unimplemented:
8621 qemu_log_mask(LOG_UNIMP, "dmtc0 %s (reg %d sel %d)\n",
8622 register_name, reg, sel);
8623 }
8624 #endif /* TARGET_MIPS64 */
8625
8626 static void gen_mftr(CPUMIPSState *env, DisasContext *ctx, int rt, int rd,
8627 int u, int sel, int h)
8628 {
8629 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
8630 TCGv t0 = tcg_temp_local_new();
8631
8632 if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 &&
8633 ((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) !=
8634 (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE)))) {
8635 tcg_gen_movi_tl(t0, -1);
8636 } else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) >
8637 (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC))) {
8638 tcg_gen_movi_tl(t0, -1);
8639 } else if (u == 0) {
8640 switch (rt) {
8641 case 1:
8642 switch (sel) {
8643 case 1:
8644 gen_helper_mftc0_vpecontrol(t0, cpu_env);
8645 break;
8646 case 2:
8647 gen_helper_mftc0_vpeconf0(t0, cpu_env);
8648 break;
8649 default:
8650 goto die;
8651 break;
8652 }
8653 break;
8654 case 2:
8655 switch (sel) {
8656 case 1:
8657 gen_helper_mftc0_tcstatus(t0, cpu_env);
8658 break;
8659 case 2:
8660 gen_helper_mftc0_tcbind(t0, cpu_env);
8661 break;
8662 case 3:
8663 gen_helper_mftc0_tcrestart(t0, cpu_env);
8664 break;
8665 case 4:
8666 gen_helper_mftc0_tchalt(t0, cpu_env);
8667 break;
8668 case 5:
8669 gen_helper_mftc0_tccontext(t0, cpu_env);
8670 break;
8671 case 6:
8672 gen_helper_mftc0_tcschedule(t0, cpu_env);
8673 break;
8674 case 7:
8675 gen_helper_mftc0_tcschefback(t0, cpu_env);
8676 break;
8677 default:
8678 gen_mfc0(ctx, t0, rt, sel);
8679 break;
8680 }
8681 break;
8682 case 10:
8683 switch (sel) {
8684 case 0:
8685 gen_helper_mftc0_entryhi(t0, cpu_env);
8686 break;
8687 default:
8688 gen_mfc0(ctx, t0, rt, sel);
8689 break;
8690 }
8691 break;
8692 case 12:
8693 switch (sel) {
8694 case 0:
8695 gen_helper_mftc0_status(t0, cpu_env);
8696 break;
8697 default:
8698 gen_mfc0(ctx, t0, rt, sel);
8699 break;
8700 }
8701 break;
8702 case 13:
8703 switch (sel) {
8704 case 0:
8705 gen_helper_mftc0_cause(t0, cpu_env);
8706 break;
8707 default:
8708 goto die;
8709 break;
8710 }
8711 break;
8712 case 14:
8713 switch (sel) {
8714 case 0:
8715 gen_helper_mftc0_epc(t0, cpu_env);
8716 break;
8717 default:
8718 goto die;
8719 break;
8720 }
8721 break;
8722 case 15:
8723 switch (sel) {
8724 case 1:
8725 gen_helper_mftc0_ebase(t0, cpu_env);
8726 break;
8727 default:
8728 goto die;
8729 break;
8730 }
8731 break;
8732 case 16:
8733 switch (sel) {
8734 case 0:
8735 case 1:
8736 case 2:
8737 case 3:
8738 case 4:
8739 case 5:
8740 case 6:
8741 case 7:
8742 gen_helper_mftc0_configx(t0, cpu_env, tcg_const_tl(sel));
8743 break;
8744 default:
8745 goto die;
8746 break;
8747 }
8748 break;
8749 case 23:
8750 switch (sel) {
8751 case 0:
8752 gen_helper_mftc0_debug(t0, cpu_env);
8753 break;
8754 default:
8755 gen_mfc0(ctx, t0, rt, sel);
8756 break;
8757 }
8758 break;
8759 default:
8760 gen_mfc0(ctx, t0, rt, sel);
8761 }
8762 } else {
8763 switch (sel) {
8764 /* GPR registers. */
8765 case 0:
8766 gen_helper_1e0i(mftgpr, t0, rt);
8767 break;
8768 /* Auxiliary CPU registers */
8769 case 1:
8770 switch (rt) {
8771 case 0:
8772 gen_helper_1e0i(mftlo, t0, 0);
8773 break;
8774 case 1:
8775 gen_helper_1e0i(mfthi, t0, 0);
8776 break;
8777 case 2:
8778 gen_helper_1e0i(mftacx, t0, 0);
8779 break;
8780 case 4:
8781 gen_helper_1e0i(mftlo, t0, 1);
8782 break;
8783 case 5:
8784 gen_helper_1e0i(mfthi, t0, 1);
8785 break;
8786 case 6:
8787 gen_helper_1e0i(mftacx, t0, 1);
8788 break;
8789 case 8:
8790 gen_helper_1e0i(mftlo, t0, 2);
8791 break;
8792 case 9:
8793 gen_helper_1e0i(mfthi, t0, 2);
8794 break;
8795 case 10:
8796 gen_helper_1e0i(mftacx, t0, 2);
8797 break;
8798 case 12:
8799 gen_helper_1e0i(mftlo, t0, 3);
8800 break;
8801 case 13:
8802 gen_helper_1e0i(mfthi, t0, 3);
8803 break;
8804 case 14:
8805 gen_helper_1e0i(mftacx, t0, 3);
8806 break;
8807 case 16:
8808 gen_helper_mftdsp(t0, cpu_env);
8809 break;
8810 default:
8811 goto die;
8812 }
8813 break;
8814 /* Floating point (COP1). */
8815 case 2:
8816 /* XXX: For now we support only a single FPU context. */
8817 if (h == 0) {
8818 TCGv_i32 fp0 = tcg_temp_new_i32();
8819
8820 gen_load_fpr32(ctx, fp0, rt);
8821 tcg_gen_ext_i32_tl(t0, fp0);
8822 tcg_temp_free_i32(fp0);
8823 } else {
8824 TCGv_i32 fp0 = tcg_temp_new_i32();
8825
8826 gen_load_fpr32h(ctx, fp0, rt);
8827 tcg_gen_ext_i32_tl(t0, fp0);
8828 tcg_temp_free_i32(fp0);
8829 }
8830 break;
8831 case 3:
8832 /* XXX: For now we support only a single FPU context. */
8833 gen_helper_1e0i(cfc1, t0, rt);
8834 break;
8835 /* COP2: Not implemented. */
8836 case 4:
8837 case 5:
8838 /* fall through */
8839 default:
8840 goto die;
8841 }
8842 }
8843 trace_mips_translate_tr("mftr", rt, u, sel, h);
8844 gen_store_gpr(t0, rd);
8845 tcg_temp_free(t0);
8846 return;
8847
8848 die:
8849 tcg_temp_free(t0);
8850 LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h);
8851 gen_reserved_instruction(ctx);
8852 }
8853
8854 static void gen_mttr(CPUMIPSState *env, DisasContext *ctx, int rd, int rt,
8855 int u, int sel, int h)
8856 {
8857 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
8858 TCGv t0 = tcg_temp_local_new();
8859
8860 gen_load_gpr(t0, rt);
8861 if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 &&
8862 ((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) !=
8863 (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE)))) {
8864 /* NOP */
8865 ;
8866 } else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) >
8867 (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC))) {
8868 /* NOP */
8869 ;
8870 } else if (u == 0) {
8871 switch (rd) {
8872 case 1:
8873 switch (sel) {
8874 case 1:
8875 gen_helper_mttc0_vpecontrol(cpu_env, t0);
8876 break;
8877 case 2:
8878 gen_helper_mttc0_vpeconf0(cpu_env, t0);
8879 break;
8880 default:
8881 goto die;
8882 break;
8883 }
8884 break;
8885 case 2:
8886 switch (sel) {
8887 case 1:
8888 gen_helper_mttc0_tcstatus(cpu_env, t0);
8889 break;
8890 case 2:
8891 gen_helper_mttc0_tcbind(cpu_env, t0);
8892 break;
8893 case 3:
8894 gen_helper_mttc0_tcrestart(cpu_env, t0);
8895 break;
8896 case 4:
8897 gen_helper_mttc0_tchalt(cpu_env, t0);
8898 break;
8899 case 5:
8900 gen_helper_mttc0_tccontext(cpu_env, t0);
8901 break;
8902 case 6:
8903 gen_helper_mttc0_tcschedule(cpu_env, t0);
8904 break;
8905 case 7:
8906 gen_helper_mttc0_tcschefback(cpu_env, t0);
8907 break;
8908 default:
8909 gen_mtc0(ctx, t0, rd, sel);
8910 break;
8911 }
8912 break;
8913 case 10:
8914 switch (sel) {
8915 case 0:
8916 gen_helper_mttc0_entryhi(cpu_env, t0);
8917 break;
8918 default:
8919 gen_mtc0(ctx, t0, rd, sel);
8920 break;
8921 }
8922 break;
8923 case 12:
8924 switch (sel) {
8925 case 0:
8926 gen_helper_mttc0_status(cpu_env, t0);
8927 break;
8928 default:
8929 gen_mtc0(ctx, t0, rd, sel);
8930 break;
8931 }
8932 break;
8933 case 13:
8934 switch (sel) {
8935 case 0:
8936 gen_helper_mttc0_cause(cpu_env, t0);
8937 break;
8938 default:
8939 goto die;
8940 break;
8941 }
8942 break;
8943 case 15:
8944 switch (sel) {
8945 case 1:
8946 gen_helper_mttc0_ebase(cpu_env, t0);
8947 break;
8948 default:
8949 goto die;
8950 break;
8951 }
8952 break;
8953 case 23:
8954 switch (sel) {
8955 case 0:
8956 gen_helper_mttc0_debug(cpu_env, t0);
8957 break;
8958 default:
8959 gen_mtc0(ctx, t0, rd, sel);
8960 break;
8961 }
8962 break;
8963 default:
8964 gen_mtc0(ctx, t0, rd, sel);
8965 }
8966 } else {
8967 switch (sel) {
8968 /* GPR registers. */
8969 case 0:
8970 gen_helper_0e1i(mttgpr, t0, rd);
8971 break;
8972 /* Auxiliary CPU registers */
8973 case 1:
8974 switch (rd) {
8975 case 0:
8976 gen_helper_0e1i(mttlo, t0, 0);
8977 break;
8978 case 1:
8979 gen_helper_0e1i(mtthi, t0, 0);
8980 break;
8981 case 2:
8982 gen_helper_0e1i(mttacx, t0, 0);
8983 break;
8984 case 4:
8985 gen_helper_0e1i(mttlo, t0, 1);
8986 break;
8987 case 5:
8988 gen_helper_0e1i(mtthi, t0, 1);
8989 break;
8990 case 6:
8991 gen_helper_0e1i(mttacx, t0, 1);
8992 break;
8993 case 8:
8994 gen_helper_0e1i(mttlo, t0, 2);
8995 break;
8996 case 9:
8997 gen_helper_0e1i(mtthi, t0, 2);
8998 break;
8999 case 10:
9000 gen_helper_0e1i(mttacx, t0, 2);
9001 break;
9002 case 12:
9003 gen_helper_0e1i(mttlo, t0, 3);
9004 break;
9005 case 13:
9006 gen_helper_0e1i(mtthi, t0, 3);
9007 break;
9008 case 14:
9009 gen_helper_0e1i(mttacx, t0, 3);
9010 break;
9011 case 16:
9012 gen_helper_mttdsp(cpu_env, t0);
9013 break;
9014 default:
9015 goto die;
9016 }
9017 break;
9018 /* Floating point (COP1). */
9019 case 2:
9020 /* XXX: For now we support only a single FPU context. */
9021 if (h == 0) {
9022 TCGv_i32 fp0 = tcg_temp_new_i32();
9023
9024 tcg_gen_trunc_tl_i32(fp0, t0);
9025 gen_store_fpr32(ctx, fp0, rd);
9026 tcg_temp_free_i32(fp0);
9027 } else {
9028 TCGv_i32 fp0 = tcg_temp_new_i32();
9029
9030 tcg_gen_trunc_tl_i32(fp0, t0);
9031 gen_store_fpr32h(ctx, fp0, rd);
9032 tcg_temp_free_i32(fp0);
9033 }
9034 break;
9035 case 3:
9036 /* XXX: For now we support only a single FPU context. */
9037 gen_helper_0e2i(ctc1, t0, tcg_constant_i32(rd), rt);
9038 /* Stop translation as we may have changed hflags */
9039 ctx->base.is_jmp = DISAS_STOP;
9040 break;
9041 /* COP2: Not implemented. */
9042 case 4:
9043 case 5:
9044 /* fall through */
9045 default:
9046 goto die;
9047 }
9048 }
9049 trace_mips_translate_tr("mttr", rd, u, sel, h);
9050 tcg_temp_free(t0);
9051 return;
9052
9053 die:
9054 tcg_temp_free(t0);
9055 LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h);
9056 gen_reserved_instruction(ctx);
9057 }
9058
9059 static void gen_cp0(CPUMIPSState *env, DisasContext *ctx, uint32_t opc,
9060 int rt, int rd)
9061 {
9062 const char *opn = "ldst";
9063
9064 check_cp0_enabled(ctx);
9065 switch (opc) {
9066 case OPC_MFC0:
9067 if (rt == 0) {
9068 /* Treat as NOP. */
9069 return;
9070 }
9071 gen_mfc0(ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7);
9072 opn = "mfc0";
9073 break;
9074 case OPC_MTC0:
9075 {
9076 TCGv t0 = tcg_temp_new();
9077
9078 gen_load_gpr(t0, rt);
9079 gen_mtc0(ctx, t0, rd, ctx->opcode & 0x7);
9080 tcg_temp_free(t0);
9081 }
9082 opn = "mtc0";
9083 break;
9084 #if defined(TARGET_MIPS64)
9085 case OPC_DMFC0:
9086 check_insn(ctx, ISA_MIPS3);
9087 if (rt == 0) {
9088 /* Treat as NOP. */
9089 return;
9090 }
9091 gen_dmfc0(ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7);
9092 opn = "dmfc0";
9093 break;
9094 case OPC_DMTC0:
9095 check_insn(ctx, ISA_MIPS3);
9096 {
9097 TCGv t0 = tcg_temp_new();
9098
9099 gen_load_gpr(t0, rt);
9100 gen_dmtc0(ctx, t0, rd, ctx->opcode & 0x7);
9101 tcg_temp_free(t0);
9102 }
9103 opn = "dmtc0";
9104 break;
9105 #endif
9106 case OPC_MFHC0:
9107 check_mvh(ctx);
9108 if (rt == 0) {
9109 /* Treat as NOP. */
9110 return;
9111 }
9112 gen_mfhc0(ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7);
9113 opn = "mfhc0";
9114 break;
9115 case OPC_MTHC0:
9116 check_mvh(ctx);
9117 {
9118 TCGv t0 = tcg_temp_new();
9119 gen_load_gpr(t0, rt);
9120 gen_mthc0(ctx, t0, rd, ctx->opcode & 0x7);
9121 tcg_temp_free(t0);
9122 }
9123 opn = "mthc0";
9124 break;
9125 case OPC_MFTR:
9126 check_cp0_enabled(ctx);
9127 if (rd == 0) {
9128 /* Treat as NOP. */
9129 return;
9130 }
9131 gen_mftr(env, ctx, rt, rd, (ctx->opcode >> 5) & 1,
9132 ctx->opcode & 0x7, (ctx->opcode >> 4) & 1);
9133 opn = "mftr";
9134 break;
9135 case OPC_MTTR:
9136 check_cp0_enabled(ctx);
9137 gen_mttr(env, ctx, rd, rt, (ctx->opcode >> 5) & 1,
9138 ctx->opcode & 0x7, (ctx->opcode >> 4) & 1);
9139 opn = "mttr";
9140 break;
9141 case OPC_TLBWI:
9142 opn = "tlbwi";
9143 if (!env->tlb->helper_tlbwi) {
9144 goto die;
9145 }
9146 gen_helper_tlbwi(cpu_env);
9147 break;
9148 case OPC_TLBINV:
9149 opn = "tlbinv";
9150 if (ctx->ie >= 2) {
9151 if (!env->tlb->helper_tlbinv) {
9152 goto die;
9153 }
9154 gen_helper_tlbinv(cpu_env);
9155 } /* treat as nop if TLBINV not supported */
9156 break;
9157 case OPC_TLBINVF:
9158 opn = "tlbinvf";
9159 if (ctx->ie >= 2) {
9160 if (!env->tlb->helper_tlbinvf) {
9161 goto die;
9162 }
9163 gen_helper_tlbinvf(cpu_env);
9164 } /* treat as nop if TLBINV not supported */
9165 break;
9166 case OPC_TLBWR:
9167 opn = "tlbwr";
9168 if (!env->tlb->helper_tlbwr) {
9169 goto die;
9170 }
9171 gen_helper_tlbwr(cpu_env);
9172 break;
9173 case OPC_TLBP:
9174 opn = "tlbp";
9175 if (!env->tlb->helper_tlbp) {
9176 goto die;
9177 }
9178 gen_helper_tlbp(cpu_env);
9179 break;
9180 case OPC_TLBR:
9181 opn = "tlbr";
9182 if (!env->tlb->helper_tlbr) {
9183 goto die;
9184 }
9185 gen_helper_tlbr(cpu_env);
9186 break;
9187 case OPC_ERET: /* OPC_ERETNC */
9188 if ((ctx->insn_flags & ISA_MIPS_R6) &&
9189 (ctx->hflags & MIPS_HFLAG_BMASK)) {
9190 goto die;
9191 } else {
9192 int bit_shift = (ctx->hflags & MIPS_HFLAG_M16) ? 16 : 6;
9193 if (ctx->opcode & (1 << bit_shift)) {
9194 /* OPC_ERETNC */
9195 opn = "eretnc";
9196 check_insn(ctx, ISA_MIPS_R5);
9197 gen_helper_eretnc(cpu_env);
9198 } else {
9199 /* OPC_ERET */
9200 opn = "eret";
9201 check_insn(ctx, ISA_MIPS2);
9202 gen_helper_eret(cpu_env);
9203 }
9204 ctx->base.is_jmp = DISAS_EXIT;
9205 }
9206 break;
9207 case OPC_DERET:
9208 opn = "deret";
9209 check_insn(ctx, ISA_MIPS_R1);
9210 if ((ctx->insn_flags & ISA_MIPS_R6) &&
9211 (ctx->hflags & MIPS_HFLAG_BMASK)) {
9212 goto die;
9213 }
9214 if (!(ctx->hflags & MIPS_HFLAG_DM)) {
9215 MIPS_INVAL(opn);
9216 gen_reserved_instruction(ctx);
9217 } else {
9218 gen_helper_deret(cpu_env);
9219 ctx->base.is_jmp = DISAS_EXIT;
9220 }
9221 break;
9222 case OPC_WAIT:
9223 opn = "wait";
9224 check_insn(ctx, ISA_MIPS3 | ISA_MIPS_R1);
9225 if ((ctx->insn_flags & ISA_MIPS_R6) &&
9226 (ctx->hflags & MIPS_HFLAG_BMASK)) {
9227 goto die;
9228 }
9229 /* If we get an exception, we want to restart at next instruction */
9230 ctx->base.pc_next += 4;
9231 save_cpu_state(ctx, 1);
9232 ctx->base.pc_next -= 4;
9233 gen_helper_wait(cpu_env);
9234 ctx->base.is_jmp = DISAS_NORETURN;
9235 break;
9236 default:
9237 die:
9238 MIPS_INVAL(opn);
9239 gen_reserved_instruction(ctx);
9240 return;
9241 }
9242 (void)opn; /* avoid a compiler warning */
9243 }
9244 #endif /* !CONFIG_USER_ONLY */
9245
9246 /* CP1 Branches (before delay slot) */
9247 static void gen_compute_branch1(DisasContext *ctx, uint32_t op,
9248 int32_t cc, int32_t offset)
9249 {
9250 target_ulong btarget;
9251 TCGv_i32 t0 = tcg_temp_new_i32();
9252
9253 if ((ctx->insn_flags & ISA_MIPS_R6) && (ctx->hflags & MIPS_HFLAG_BMASK)) {
9254 gen_reserved_instruction(ctx);
9255 goto out;
9256 }
9257
9258 if (cc != 0) {
9259 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1);
9260 }
9261
9262 btarget = ctx->base.pc_next + 4 + offset;
9263
9264 switch (op) {
9265 case OPC_BC1F:
9266 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
9267 tcg_gen_not_i32(t0, t0);
9268 tcg_gen_andi_i32(t0, t0, 1);
9269 tcg_gen_extu_i32_tl(bcond, t0);
9270 goto not_likely;
9271 case OPC_BC1FL:
9272 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
9273 tcg_gen_not_i32(t0, t0);
9274 tcg_gen_andi_i32(t0, t0, 1);
9275 tcg_gen_extu_i32_tl(bcond, t0);
9276 goto likely;
9277 case OPC_BC1T:
9278 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
9279 tcg_gen_andi_i32(t0, t0, 1);
9280 tcg_gen_extu_i32_tl(bcond, t0);
9281 goto not_likely;
9282 case OPC_BC1TL:
9283 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
9284 tcg_gen_andi_i32(t0, t0, 1);
9285 tcg_gen_extu_i32_tl(bcond, t0);
9286 likely:
9287 ctx->hflags |= MIPS_HFLAG_BL;
9288 break;
9289 case OPC_BC1FANY2:
9290 {
9291 TCGv_i32 t1 = tcg_temp_new_i32();
9292 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
9293 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 1));
9294 tcg_gen_nand_i32(t0, t0, t1);
9295 tcg_temp_free_i32(t1);
9296 tcg_gen_andi_i32(t0, t0, 1);
9297 tcg_gen_extu_i32_tl(bcond, t0);
9298 }
9299 goto not_likely;
9300 case OPC_BC1TANY2:
9301 {
9302 TCGv_i32 t1 = tcg_temp_new_i32();
9303 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
9304 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 1));
9305 tcg_gen_or_i32(t0, t0, t1);
9306 tcg_temp_free_i32(t1);
9307 tcg_gen_andi_i32(t0, t0, 1);
9308 tcg_gen_extu_i32_tl(bcond, t0);
9309 }
9310 goto not_likely;
9311 case OPC_BC1FANY4:
9312 {
9313 TCGv_i32 t1 = tcg_temp_new_i32();
9314 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
9315 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 1));
9316 tcg_gen_and_i32(t0, t0, t1);
9317 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 2));
9318 tcg_gen_and_i32(t0, t0, t1);
9319 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 3));
9320 tcg_gen_nand_i32(t0, t0, t1);
9321 tcg_temp_free_i32(t1);
9322 tcg_gen_andi_i32(t0, t0, 1);
9323 tcg_gen_extu_i32_tl(bcond, t0);
9324 }
9325 goto not_likely;
9326 case OPC_BC1TANY4:
9327 {
9328 TCGv_i32 t1 = tcg_temp_new_i32();
9329 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
9330 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 1));
9331 tcg_gen_or_i32(t0, t0, t1);
9332 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 2));
9333 tcg_gen_or_i32(t0, t0, t1);
9334 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 3));
9335 tcg_gen_or_i32(t0, t0, t1);
9336 tcg_temp_free_i32(t1);
9337 tcg_gen_andi_i32(t0, t0, 1);
9338 tcg_gen_extu_i32_tl(bcond, t0);
9339 }
9340 not_likely:
9341 ctx->hflags |= MIPS_HFLAG_BC;
9342 break;
9343 default:
9344 MIPS_INVAL("cp1 cond branch");
9345 gen_reserved_instruction(ctx);
9346 goto out;
9347 }
9348 ctx->btarget = btarget;
9349 ctx->hflags |= MIPS_HFLAG_BDS32;
9350 out:
9351 tcg_temp_free_i32(t0);
9352 }
9353
9354 /* R6 CP1 Branches */
9355 static void gen_compute_branch1_r6(DisasContext *ctx, uint32_t op,
9356 int32_t ft, int32_t offset,
9357 int delayslot_size)
9358 {
9359 target_ulong btarget;
9360 TCGv_i64 t0 = tcg_temp_new_i64();
9361
9362 if (ctx->hflags & MIPS_HFLAG_BMASK) {
9363 #ifdef MIPS_DEBUG_DISAS
9364 LOG_DISAS("Branch in delay / forbidden slot at PC 0x" TARGET_FMT_lx
9365 "\n", ctx->base.pc_next);
9366 #endif
9367 gen_reserved_instruction(ctx);
9368 goto out;
9369 }
9370
9371 gen_load_fpr64(ctx, t0, ft);
9372 tcg_gen_andi_i64(t0, t0, 1);
9373
9374 btarget = addr_add(ctx, ctx->base.pc_next + 4, offset);
9375
9376 switch (op) {
9377 case OPC_BC1EQZ:
9378 tcg_gen_xori_i64(t0, t0, 1);
9379 ctx->hflags |= MIPS_HFLAG_BC;
9380 break;
9381 case OPC_BC1NEZ:
9382 /* t0 already set */
9383 ctx->hflags |= MIPS_HFLAG_BC;
9384 break;
9385 default:
9386 MIPS_INVAL("cp1 cond branch");
9387 gen_reserved_instruction(ctx);
9388 goto out;
9389 }
9390
9391 tcg_gen_trunc_i64_tl(bcond, t0);
9392
9393 ctx->btarget = btarget;
9394
9395 switch (delayslot_size) {
9396 case 2:
9397 ctx->hflags |= MIPS_HFLAG_BDS16;
9398 break;
9399 case 4:
9400 ctx->hflags |= MIPS_HFLAG_BDS32;
9401 break;
9402 }
9403
9404 out:
9405 tcg_temp_free_i64(t0);
9406 }
9407
9408 /* Coprocessor 1 (FPU) */
9409
9410 #define FOP(func, fmt) (((fmt) << 21) | (func))
9411
9412 enum fopcode {
9413 OPC_ADD_S = FOP(0, FMT_S),
9414 OPC_SUB_S = FOP(1, FMT_S),
9415 OPC_MUL_S = FOP(2, FMT_S),
9416 OPC_DIV_S = FOP(3, FMT_S),
9417 OPC_SQRT_S = FOP(4, FMT_S),
9418 OPC_ABS_S = FOP(5, FMT_S),
9419 OPC_MOV_S = FOP(6, FMT_S),
9420 OPC_NEG_S = FOP(7, FMT_S),
9421 OPC_ROUND_L_S = FOP(8, FMT_S),
9422 OPC_TRUNC_L_S = FOP(9, FMT_S),
9423 OPC_CEIL_L_S = FOP(10, FMT_S),
9424 OPC_FLOOR_L_S = FOP(11, FMT_S),
9425 OPC_ROUND_W_S = FOP(12, FMT_S),
9426 OPC_TRUNC_W_S = FOP(13, FMT_S),
9427 OPC_CEIL_W_S = FOP(14, FMT_S),
9428 OPC_FLOOR_W_S = FOP(15, FMT_S),
9429 OPC_SEL_S = FOP(16, FMT_S),
9430 OPC_MOVCF_S = FOP(17, FMT_S),
9431 OPC_MOVZ_S = FOP(18, FMT_S),
9432 OPC_MOVN_S = FOP(19, FMT_S),
9433 OPC_SELEQZ_S = FOP(20, FMT_S),
9434 OPC_RECIP_S = FOP(21, FMT_S),
9435 OPC_RSQRT_S = FOP(22, FMT_S),
9436 OPC_SELNEZ_S = FOP(23, FMT_S),
9437 OPC_MADDF_S = FOP(24, FMT_S),
9438 OPC_MSUBF_S = FOP(25, FMT_S),
9439 OPC_RINT_S = FOP(26, FMT_S),
9440 OPC_CLASS_S = FOP(27, FMT_S),
9441 OPC_MIN_S = FOP(28, FMT_S),
9442 OPC_RECIP2_S = FOP(28, FMT_S),
9443 OPC_MINA_S = FOP(29, FMT_S),
9444 OPC_RECIP1_S = FOP(29, FMT_S),
9445 OPC_MAX_S = FOP(30, FMT_S),
9446 OPC_RSQRT1_S = FOP(30, FMT_S),
9447 OPC_MAXA_S = FOP(31, FMT_S),
9448 OPC_RSQRT2_S = FOP(31, FMT_S),
9449 OPC_CVT_D_S = FOP(33, FMT_S),
9450 OPC_CVT_W_S = FOP(36, FMT_S),
9451 OPC_CVT_L_S = FOP(37, FMT_S),
9452 OPC_CVT_PS_S = FOP(38, FMT_S),
9453 OPC_CMP_F_S = FOP(48, FMT_S),
9454 OPC_CMP_UN_S = FOP(49, FMT_S),
9455 OPC_CMP_EQ_S = FOP(50, FMT_S),
9456 OPC_CMP_UEQ_S = FOP(51, FMT_S),
9457 OPC_CMP_OLT_S = FOP(52, FMT_S),
9458 OPC_CMP_ULT_S = FOP(53, FMT_S),
9459 OPC_CMP_OLE_S = FOP(54, FMT_S),
9460 OPC_CMP_ULE_S = FOP(55, FMT_S),
9461 OPC_CMP_SF_S = FOP(56, FMT_S),
9462 OPC_CMP_NGLE_S = FOP(57, FMT_S),
9463 OPC_CMP_SEQ_S = FOP(58, FMT_S),
9464 OPC_CMP_NGL_S = FOP(59, FMT_S),
9465 OPC_CMP_LT_S = FOP(60, FMT_S),
9466 OPC_CMP_NGE_S = FOP(61, FMT_S),
9467 OPC_CMP_LE_S = FOP(62, FMT_S),
9468 OPC_CMP_NGT_S = FOP(63, FMT_S),
9469
9470 OPC_ADD_D = FOP(0, FMT_D),
9471 OPC_SUB_D = FOP(1, FMT_D),
9472 OPC_MUL_D = FOP(2, FMT_D),
9473 OPC_DIV_D = FOP(3, FMT_D),
9474 OPC_SQRT_D = FOP(4, FMT_D),
9475 OPC_ABS_D = FOP(5, FMT_D),
9476 OPC_MOV_D = FOP(6, FMT_D),
9477 OPC_NEG_D = FOP(7, FMT_D),
9478 OPC_ROUND_L_D = FOP(8, FMT_D),
9479 OPC_TRUNC_L_D = FOP(9, FMT_D),
9480 OPC_CEIL_L_D = FOP(10, FMT_D),
9481 OPC_FLOOR_L_D = FOP(11, FMT_D),
9482 OPC_ROUND_W_D = FOP(12, FMT_D),
9483 OPC_TRUNC_W_D = FOP(13, FMT_D),
9484 OPC_CEIL_W_D = FOP(14, FMT_D),
9485 OPC_FLOOR_W_D = FOP(15, FMT_D),
9486 OPC_SEL_D = FOP(16, FMT_D),
9487 OPC_MOVCF_D = FOP(17, FMT_D),
9488 OPC_MOVZ_D = FOP(18, FMT_D),
9489 OPC_MOVN_D = FOP(19, FMT_D),
9490 OPC_SELEQZ_D = FOP(20, FMT_D),
9491 OPC_RECIP_D = FOP(21, FMT_D),
9492 OPC_RSQRT_D = FOP(22, FMT_D),
9493 OPC_SELNEZ_D = FOP(23, FMT_D),
9494 OPC_MADDF_D = FOP(24, FMT_D),
9495 OPC_MSUBF_D = FOP(25, FMT_D),
9496 OPC_RINT_D = FOP(26, FMT_D),
9497 OPC_CLASS_D = FOP(27, FMT_D),
9498 OPC_MIN_D = FOP(28, FMT_D),
9499 OPC_RECIP2_D = FOP(28, FMT_D),
9500 OPC_MINA_D = FOP(29, FMT_D),
9501 OPC_RECIP1_D = FOP(29, FMT_D),
9502 OPC_MAX_D = FOP(30, FMT_D),
9503 OPC_RSQRT1_D = FOP(30, FMT_D),
9504 OPC_MAXA_D = FOP(31, FMT_D),
9505 OPC_RSQRT2_D = FOP(31, FMT_D),
9506 OPC_CVT_S_D = FOP(32, FMT_D),
9507 OPC_CVT_W_D = FOP(36, FMT_D),
9508 OPC_CVT_L_D = FOP(37, FMT_D),
9509 OPC_CMP_F_D = FOP(48, FMT_D),
9510 OPC_CMP_UN_D = FOP(49, FMT_D),
9511 OPC_CMP_EQ_D = FOP(50, FMT_D),
9512 OPC_CMP_UEQ_D = FOP(51, FMT_D),
9513 OPC_CMP_OLT_D = FOP(52, FMT_D),
9514 OPC_CMP_ULT_D = FOP(53, FMT_D),
9515 OPC_CMP_OLE_D = FOP(54, FMT_D),
9516 OPC_CMP_ULE_D = FOP(55, FMT_D),
9517 OPC_CMP_SF_D = FOP(56, FMT_D),
9518 OPC_CMP_NGLE_D = FOP(57, FMT_D),
9519 OPC_CMP_SEQ_D = FOP(58, FMT_D),
9520 OPC_CMP_NGL_D = FOP(59, FMT_D),
9521 OPC_CMP_LT_D = FOP(60, FMT_D),
9522 OPC_CMP_NGE_D = FOP(61, FMT_D),
9523 OPC_CMP_LE_D = FOP(62, FMT_D),
9524 OPC_CMP_NGT_D = FOP(63, FMT_D),
9525
9526 OPC_CVT_S_W = FOP(32, FMT_W),
9527 OPC_CVT_D_W = FOP(33, FMT_W),
9528 OPC_CVT_S_L = FOP(32, FMT_L),
9529 OPC_CVT_D_L = FOP(33, FMT_L),
9530 OPC_CVT_PS_PW = FOP(38, FMT_W),
9531
9532 OPC_ADD_PS = FOP(0, FMT_PS),
9533 OPC_SUB_PS = FOP(1, FMT_PS),
9534 OPC_MUL_PS = FOP(2, FMT_PS),
9535 OPC_DIV_PS = FOP(3, FMT_PS),
9536 OPC_ABS_PS = FOP(5, FMT_PS),
9537 OPC_MOV_PS = FOP(6, FMT_PS),
9538 OPC_NEG_PS = FOP(7, FMT_PS),
9539 OPC_MOVCF_PS = FOP(17, FMT_PS),
9540 OPC_MOVZ_PS = FOP(18, FMT_PS),
9541 OPC_MOVN_PS = FOP(19, FMT_PS),
9542 OPC_ADDR_PS = FOP(24, FMT_PS),
9543 OPC_MULR_PS = FOP(26, FMT_PS),
9544 OPC_RECIP2_PS = FOP(28, FMT_PS),
9545 OPC_RECIP1_PS = FOP(29, FMT_PS),
9546 OPC_RSQRT1_PS = FOP(30, FMT_PS),
9547 OPC_RSQRT2_PS = FOP(31, FMT_PS),
9548
9549 OPC_CVT_S_PU = FOP(32, FMT_PS),
9550 OPC_CVT_PW_PS = FOP(36, FMT_PS),
9551 OPC_CVT_S_PL = FOP(40, FMT_PS),
9552 OPC_PLL_PS = FOP(44, FMT_PS),
9553 OPC_PLU_PS = FOP(45, FMT_PS),
9554 OPC_PUL_PS = FOP(46, FMT_PS),
9555 OPC_PUU_PS = FOP(47, FMT_PS),
9556 OPC_CMP_F_PS = FOP(48, FMT_PS),
9557 OPC_CMP_UN_PS = FOP(49, FMT_PS),
9558 OPC_CMP_EQ_PS = FOP(50, FMT_PS),
9559 OPC_CMP_UEQ_PS = FOP(51, FMT_PS),
9560 OPC_CMP_OLT_PS = FOP(52, FMT_PS),
9561 OPC_CMP_ULT_PS = FOP(53, FMT_PS),
9562 OPC_CMP_OLE_PS = FOP(54, FMT_PS),
9563 OPC_CMP_ULE_PS = FOP(55, FMT_PS),
9564 OPC_CMP_SF_PS = FOP(56, FMT_PS),
9565 OPC_CMP_NGLE_PS = FOP(57, FMT_PS),
9566 OPC_CMP_SEQ_PS = FOP(58, FMT_PS),
9567 OPC_CMP_NGL_PS = FOP(59, FMT_PS),
9568 OPC_CMP_LT_PS = FOP(60, FMT_PS),
9569 OPC_CMP_NGE_PS = FOP(61, FMT_PS),
9570 OPC_CMP_LE_PS = FOP(62, FMT_PS),
9571 OPC_CMP_NGT_PS = FOP(63, FMT_PS),
9572 };
9573
9574 enum r6_f_cmp_op {
9575 R6_OPC_CMP_AF_S = FOP(0, FMT_W),
9576 R6_OPC_CMP_UN_S = FOP(1, FMT_W),
9577 R6_OPC_CMP_EQ_S = FOP(2, FMT_W),
9578 R6_OPC_CMP_UEQ_S = FOP(3, FMT_W),
9579 R6_OPC_CMP_LT_S = FOP(4, FMT_W),
9580 R6_OPC_CMP_ULT_S = FOP(5, FMT_W),
9581 R6_OPC_CMP_LE_S = FOP(6, FMT_W),
9582 R6_OPC_CMP_ULE_S = FOP(7, FMT_W),
9583 R6_OPC_CMP_SAF_S = FOP(8, FMT_W),
9584 R6_OPC_CMP_SUN_S = FOP(9, FMT_W),
9585 R6_OPC_CMP_SEQ_S = FOP(10, FMT_W),
9586 R6_OPC_CMP_SEUQ_S = FOP(11, FMT_W),
9587 R6_OPC_CMP_SLT_S = FOP(12, FMT_W),
9588 R6_OPC_CMP_SULT_S = FOP(13, FMT_W),
9589 R6_OPC_CMP_SLE_S = FOP(14, FMT_W),
9590 R6_OPC_CMP_SULE_S = FOP(15, FMT_W),
9591 R6_OPC_CMP_OR_S = FOP(17, FMT_W),
9592 R6_OPC_CMP_UNE_S = FOP(18, FMT_W),
9593 R6_OPC_CMP_NE_S = FOP(19, FMT_W),
9594 R6_OPC_CMP_SOR_S = FOP(25, FMT_W),
9595 R6_OPC_CMP_SUNE_S = FOP(26, FMT_W),
9596 R6_OPC_CMP_SNE_S = FOP(27, FMT_W),
9597
9598 R6_OPC_CMP_AF_D = FOP(0, FMT_L),
9599 R6_OPC_CMP_UN_D = FOP(1, FMT_L),
9600 R6_OPC_CMP_EQ_D = FOP(2, FMT_L),
9601 R6_OPC_CMP_UEQ_D = FOP(3, FMT_L),
9602 R6_OPC_CMP_LT_D = FOP(4, FMT_L),
9603 R6_OPC_CMP_ULT_D = FOP(5, FMT_L),
9604 R6_OPC_CMP_LE_D = FOP(6, FMT_L),
9605 R6_OPC_CMP_ULE_D = FOP(7, FMT_L),
9606 R6_OPC_CMP_SAF_D = FOP(8, FMT_L),
9607 R6_OPC_CMP_SUN_D = FOP(9, FMT_L),
9608 R6_OPC_CMP_SEQ_D = FOP(10, FMT_L),
9609 R6_OPC_CMP_SEUQ_D = FOP(11, FMT_L),
9610 R6_OPC_CMP_SLT_D = FOP(12, FMT_L),
9611 R6_OPC_CMP_SULT_D = FOP(13, FMT_L),
9612 R6_OPC_CMP_SLE_D = FOP(14, FMT_L),
9613 R6_OPC_CMP_SULE_D = FOP(15, FMT_L),
9614 R6_OPC_CMP_OR_D = FOP(17, FMT_L),
9615 R6_OPC_CMP_UNE_D = FOP(18, FMT_L),
9616 R6_OPC_CMP_NE_D = FOP(19, FMT_L),
9617 R6_OPC_CMP_SOR_D = FOP(25, FMT_L),
9618 R6_OPC_CMP_SUNE_D = FOP(26, FMT_L),
9619 R6_OPC_CMP_SNE_D = FOP(27, FMT_L),
9620 };
9621
9622 static void gen_cp1(DisasContext *ctx, uint32_t opc, int rt, int fs)
9623 {
9624 TCGv t0 = tcg_temp_new();
9625
9626 switch (opc) {
9627 case OPC_MFC1:
9628 {
9629 TCGv_i32 fp0 = tcg_temp_new_i32();
9630
9631 gen_load_fpr32(ctx, fp0, fs);
9632 tcg_gen_ext_i32_tl(t0, fp0);
9633 tcg_temp_free_i32(fp0);
9634 }
9635 gen_store_gpr(t0, rt);
9636 break;
9637 case OPC_MTC1:
9638 gen_load_gpr(t0, rt);
9639 {
9640 TCGv_i32 fp0 = tcg_temp_new_i32();
9641
9642 tcg_gen_trunc_tl_i32(fp0, t0);
9643 gen_store_fpr32(ctx, fp0, fs);
9644 tcg_temp_free_i32(fp0);
9645 }
9646 break;
9647 case OPC_CFC1:
9648 gen_helper_1e0i(cfc1, t0, fs);
9649 gen_store_gpr(t0, rt);
9650 break;
9651 case OPC_CTC1:
9652 gen_load_gpr(t0, rt);
9653 save_cpu_state(ctx, 0);
9654 gen_helper_0e2i(ctc1, t0, tcg_constant_i32(fs), rt);
9655 /* Stop translation as we may have changed hflags */
9656 ctx->base.is_jmp = DISAS_STOP;
9657 break;
9658 #if defined(TARGET_MIPS64)
9659 case OPC_DMFC1:
9660 gen_load_fpr64(ctx, t0, fs);
9661 gen_store_gpr(t0, rt);
9662 break;
9663 case OPC_DMTC1:
9664 gen_load_gpr(t0, rt);
9665 gen_store_fpr64(ctx, t0, fs);
9666 break;
9667 #endif
9668 case OPC_MFHC1:
9669 {
9670 TCGv_i32 fp0 = tcg_temp_new_i32();
9671
9672 gen_load_fpr32h(ctx, fp0, fs);
9673 tcg_gen_ext_i32_tl(t0, fp0);
9674 tcg_temp_free_i32(fp0);
9675 }
9676 gen_store_gpr(t0, rt);
9677 break;
9678 case OPC_MTHC1:
9679 gen_load_gpr(t0, rt);
9680 {
9681 TCGv_i32 fp0 = tcg_temp_new_i32();
9682
9683 tcg_gen_trunc_tl_i32(fp0, t0);
9684 gen_store_fpr32h(ctx, fp0, fs);
9685 tcg_temp_free_i32(fp0);
9686 }
9687 break;
9688 default:
9689 MIPS_INVAL("cp1 move");
9690 gen_reserved_instruction(ctx);
9691 goto out;
9692 }
9693
9694 out:
9695 tcg_temp_free(t0);
9696 }
9697
9698 static void gen_movci(DisasContext *ctx, int rd, int rs, int cc, int tf)
9699 {
9700 TCGLabel *l1;
9701 TCGCond cond;
9702 TCGv_i32 t0;
9703
9704 if (rd == 0) {
9705 /* Treat as NOP. */
9706 return;
9707 }
9708
9709 if (tf) {
9710 cond = TCG_COND_EQ;
9711 } else {
9712 cond = TCG_COND_NE;
9713 }
9714
9715 l1 = gen_new_label();
9716 t0 = tcg_temp_new_i32();
9717 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
9718 tcg_gen_brcondi_i32(cond, t0, 0, l1);
9719 tcg_temp_free_i32(t0);
9720 gen_load_gpr(cpu_gpr[rd], rs);
9721 gen_set_label(l1);
9722 }
9723
9724 static inline void gen_movcf_s(DisasContext *ctx, int fs, int fd, int cc,
9725 int tf)
9726 {
9727 int cond;
9728 TCGv_i32 t0 = tcg_temp_new_i32();
9729 TCGLabel *l1 = gen_new_label();
9730
9731 if (tf) {
9732 cond = TCG_COND_EQ;
9733 } else {
9734 cond = TCG_COND_NE;
9735 }
9736
9737 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
9738 tcg_gen_brcondi_i32(cond, t0, 0, l1);
9739 gen_load_fpr32(ctx, t0, fs);
9740 gen_store_fpr32(ctx, t0, fd);
9741 gen_set_label(l1);
9742 tcg_temp_free_i32(t0);
9743 }
9744
9745 static inline void gen_movcf_d(DisasContext *ctx, int fs, int fd, int cc,
9746 int tf)
9747 {
9748 int cond;
9749 TCGv_i32 t0 = tcg_temp_new_i32();
9750 TCGv_i64 fp0;
9751 TCGLabel *l1 = gen_new_label();
9752
9753 if (tf) {
9754 cond = TCG_COND_EQ;
9755 } else {
9756 cond = TCG_COND_NE;
9757 }
9758
9759 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
9760 tcg_gen_brcondi_i32(cond, t0, 0, l1);
9761 tcg_temp_free_i32(t0);
9762 fp0 = tcg_temp_new_i64();
9763 gen_load_fpr64(ctx, fp0, fs);
9764 gen_store_fpr64(ctx, fp0, fd);
9765 tcg_temp_free_i64(fp0);
9766 gen_set_label(l1);
9767 }
9768
9769 static inline void gen_movcf_ps(DisasContext *ctx, int fs, int fd,
9770 int cc, int tf)
9771 {
9772 int cond;
9773 TCGv_i32 t0 = tcg_temp_new_i32();
9774 TCGLabel *l1 = gen_new_label();
9775 TCGLabel *l2 = gen_new_label();
9776
9777 if (tf) {
9778 cond = TCG_COND_EQ;
9779 } else {
9780 cond = TCG_COND_NE;
9781 }
9782
9783 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
9784 tcg_gen_brcondi_i32(cond, t0, 0, l1);
9785 gen_load_fpr32(ctx, t0, fs);
9786 gen_store_fpr32(ctx, t0, fd);
9787 gen_set_label(l1);
9788
9789 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc + 1));
9790 tcg_gen_brcondi_i32(cond, t0, 0, l2);
9791 gen_load_fpr32h(ctx, t0, fs);
9792 gen_store_fpr32h(ctx, t0, fd);
9793 tcg_temp_free_i32(t0);
9794 gen_set_label(l2);
9795 }
9796
9797 static void gen_sel_s(DisasContext *ctx, enum fopcode op1, int fd, int ft,
9798 int fs)
9799 {
9800 TCGv_i32 t1 = tcg_const_i32(0);
9801 TCGv_i32 fp0 = tcg_temp_new_i32();
9802 TCGv_i32 fp1 = tcg_temp_new_i32();
9803 TCGv_i32 fp2 = tcg_temp_new_i32();
9804 gen_load_fpr32(ctx, fp0, fd);
9805 gen_load_fpr32(ctx, fp1, ft);
9806 gen_load_fpr32(ctx, fp2, fs);
9807
9808 switch (op1) {
9809 case OPC_SEL_S:
9810 tcg_gen_andi_i32(fp0, fp0, 1);
9811 tcg_gen_movcond_i32(TCG_COND_NE, fp0, fp0, t1, fp1, fp2);
9812 break;
9813 case OPC_SELEQZ_S:
9814 tcg_gen_andi_i32(fp1, fp1, 1);
9815 tcg_gen_movcond_i32(TCG_COND_EQ, fp0, fp1, t1, fp2, t1);
9816 break;
9817 case OPC_SELNEZ_S:
9818 tcg_gen_andi_i32(fp1, fp1, 1);
9819 tcg_gen_movcond_i32(TCG_COND_NE, fp0, fp1, t1, fp2, t1);
9820 break;
9821 default:
9822 MIPS_INVAL("gen_sel_s");
9823 gen_reserved_instruction(ctx);
9824 break;
9825 }
9826
9827 gen_store_fpr32(ctx, fp0, fd);
9828 tcg_temp_free_i32(fp2);
9829 tcg_temp_free_i32(fp1);
9830 tcg_temp_free_i32(fp0);
9831 tcg_temp_free_i32(t1);
9832 }
9833
9834 static void gen_sel_d(DisasContext *ctx, enum fopcode op1, int fd, int ft,
9835 int fs)
9836 {
9837 TCGv_i64 t1 = tcg_const_i64(0);
9838 TCGv_i64 fp0 = tcg_temp_new_i64();
9839 TCGv_i64 fp1 = tcg_temp_new_i64();
9840 TCGv_i64 fp2 = tcg_temp_new_i64();
9841 gen_load_fpr64(ctx, fp0, fd);
9842 gen_load_fpr64(ctx, fp1, ft);
9843 gen_load_fpr64(ctx, fp2, fs);
9844
9845 switch (op1) {
9846 case OPC_SEL_D:
9847 tcg_gen_andi_i64(fp0, fp0, 1);
9848 tcg_gen_movcond_i64(TCG_COND_NE, fp0, fp0, t1, fp1, fp2);
9849 break;
9850 case OPC_SELEQZ_D:
9851 tcg_gen_andi_i64(fp1, fp1, 1);
9852 tcg_gen_movcond_i64(TCG_COND_EQ, fp0, fp1, t1, fp2, t1);
9853 break;
9854 case OPC_SELNEZ_D:
9855 tcg_gen_andi_i64(fp1, fp1, 1);
9856 tcg_gen_movcond_i64(TCG_COND_NE, fp0, fp1, t1, fp2, t1);
9857 break;
9858 default:
9859 MIPS_INVAL("gen_sel_d");
9860 gen_reserved_instruction(ctx);
9861 break;
9862 }
9863
9864 gen_store_fpr64(ctx, fp0, fd);
9865 tcg_temp_free_i64(fp2);
9866 tcg_temp_free_i64(fp1);
9867 tcg_temp_free_i64(fp0);
9868 tcg_temp_free_i64(t1);
9869 }
9870
9871 static void gen_farith(DisasContext *ctx, enum fopcode op1,
9872 int ft, int fs, int fd, int cc)
9873 {
9874 uint32_t func = ctx->opcode & 0x3f;
9875 switch (op1) {
9876 case OPC_ADD_S:
9877 {
9878 TCGv_i32 fp0 = tcg_temp_new_i32();
9879 TCGv_i32 fp1 = tcg_temp_new_i32();
9880
9881 gen_load_fpr32(ctx, fp0, fs);
9882 gen_load_fpr32(ctx, fp1, ft);
9883 gen_helper_float_add_s(fp0, cpu_env, fp0, fp1);
9884 tcg_temp_free_i32(fp1);
9885 gen_store_fpr32(ctx, fp0, fd);
9886 tcg_temp_free_i32(fp0);
9887 }
9888 break;
9889 case OPC_SUB_S:
9890 {
9891 TCGv_i32 fp0 = tcg_temp_new_i32();
9892 TCGv_i32 fp1 = tcg_temp_new_i32();
9893
9894 gen_load_fpr32(ctx, fp0, fs);
9895 gen_load_fpr32(ctx, fp1, ft);
9896 gen_helper_float_sub_s(fp0, cpu_env, fp0, fp1);
9897 tcg_temp_free_i32(fp1);
9898 gen_store_fpr32(ctx, fp0, fd);
9899 tcg_temp_free_i32(fp0);
9900 }
9901 break;
9902 case OPC_MUL_S:
9903 {
9904 TCGv_i32 fp0 = tcg_temp_new_i32();
9905 TCGv_i32 fp1 = tcg_temp_new_i32();
9906
9907 gen_load_fpr32(ctx, fp0, fs);
9908 gen_load_fpr32(ctx, fp1, ft);
9909 gen_helper_float_mul_s(fp0, cpu_env, fp0, fp1);
9910 tcg_temp_free_i32(fp1);
9911 gen_store_fpr32(ctx, fp0, fd);
9912 tcg_temp_free_i32(fp0);
9913 }
9914 break;
9915 case OPC_DIV_S:
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_helper_float_div_s(fp0, cpu_env, fp0, fp1);
9923 tcg_temp_free_i32(fp1);
9924 gen_store_fpr32(ctx, fp0, fd);
9925 tcg_temp_free_i32(fp0);
9926 }
9927 break;
9928 case OPC_SQRT_S:
9929 {
9930 TCGv_i32 fp0 = tcg_temp_new_i32();
9931
9932 gen_load_fpr32(ctx, fp0, fs);
9933 gen_helper_float_sqrt_s(fp0, cpu_env, fp0);
9934 gen_store_fpr32(ctx, fp0, fd);
9935 tcg_temp_free_i32(fp0);
9936 }
9937 break;
9938 case OPC_ABS_S:
9939 {
9940 TCGv_i32 fp0 = tcg_temp_new_i32();
9941
9942 gen_load_fpr32(ctx, fp0, fs);
9943 if (ctx->abs2008) {
9944 tcg_gen_andi_i32(fp0, fp0, 0x7fffffffUL);
9945 } else {
9946 gen_helper_float_abs_s(fp0, fp0);
9947 }
9948 gen_store_fpr32(ctx, fp0, fd);
9949 tcg_temp_free_i32(fp0);
9950 }
9951 break;
9952 case OPC_MOV_S:
9953 {
9954 TCGv_i32 fp0 = tcg_temp_new_i32();
9955
9956 gen_load_fpr32(ctx, fp0, fs);
9957 gen_store_fpr32(ctx, fp0, fd);
9958 tcg_temp_free_i32(fp0);
9959 }
9960 break;
9961 case OPC_NEG_S:
9962 {
9963 TCGv_i32 fp0 = tcg_temp_new_i32();
9964
9965 gen_load_fpr32(ctx, fp0, fs);
9966 if (ctx->abs2008) {
9967 tcg_gen_xori_i32(fp0, fp0, 1UL << 31);
9968 } else {
9969 gen_helper_float_chs_s(fp0, fp0);
9970 }
9971 gen_store_fpr32(ctx, fp0, fd);
9972 tcg_temp_free_i32(fp0);
9973 }
9974 break;
9975 case OPC_ROUND_L_S:
9976 check_cp1_64bitmode(ctx);
9977 {
9978 TCGv_i32 fp32 = tcg_temp_new_i32();
9979 TCGv_i64 fp64 = tcg_temp_new_i64();
9980
9981 gen_load_fpr32(ctx, fp32, fs);
9982 if (ctx->nan2008) {
9983 gen_helper_float_round_2008_l_s(fp64, cpu_env, fp32);
9984 } else {
9985 gen_helper_float_round_l_s(fp64, cpu_env, fp32);
9986 }
9987 tcg_temp_free_i32(fp32);
9988 gen_store_fpr64(ctx, fp64, fd);
9989 tcg_temp_free_i64(fp64);
9990 }
9991 break;
9992 case OPC_TRUNC_L_S:
9993 check_cp1_64bitmode(ctx);
9994 {
9995 TCGv_i32 fp32 = tcg_temp_new_i32();
9996 TCGv_i64 fp64 = tcg_temp_new_i64();
9997
9998 gen_load_fpr32(ctx, fp32, fs);
9999 if (ctx->nan2008) {
10000 gen_helper_float_trunc_2008_l_s(fp64, cpu_env, fp32);
10001 } else {
10002 gen_helper_float_trunc_l_s(fp64, cpu_env, fp32);
10003 }
10004 tcg_temp_free_i32(fp32);
10005 gen_store_fpr64(ctx, fp64, fd);
10006 tcg_temp_free_i64(fp64);
10007 }
10008 break;
10009 case OPC_CEIL_L_S:
10010 check_cp1_64bitmode(ctx);
10011 {
10012 TCGv_i32 fp32 = tcg_temp_new_i32();
10013 TCGv_i64 fp64 = tcg_temp_new_i64();
10014
10015 gen_load_fpr32(ctx, fp32, fs);
10016 if (ctx->nan2008) {
10017 gen_helper_float_ceil_2008_l_s(fp64, cpu_env, fp32);
10018 } else {
10019 gen_helper_float_ceil_l_s(fp64, cpu_env, fp32);
10020 }
10021 tcg_temp_free_i32(fp32);
10022 gen_store_fpr64(ctx, fp64, fd);
10023 tcg_temp_free_i64(fp64);
10024 }
10025 break;
10026 case OPC_FLOOR_L_S:
10027 check_cp1_64bitmode(ctx);
10028 {
10029 TCGv_i32 fp32 = tcg_temp_new_i32();
10030 TCGv_i64 fp64 = tcg_temp_new_i64();
10031
10032 gen_load_fpr32(ctx, fp32, fs);
10033 if (ctx->nan2008) {
10034 gen_helper_float_floor_2008_l_s(fp64, cpu_env, fp32);
10035 } else {
10036 gen_helper_float_floor_l_s(fp64, cpu_env, fp32);
10037 }
10038 tcg_temp_free_i32(fp32);
10039 gen_store_fpr64(ctx, fp64, fd);
10040 tcg_temp_free_i64(fp64);
10041 }
10042 break;
10043 case OPC_ROUND_W_S:
10044 {
10045 TCGv_i32 fp0 = tcg_temp_new_i32();
10046
10047 gen_load_fpr32(ctx, fp0, fs);
10048 if (ctx->nan2008) {
10049 gen_helper_float_round_2008_w_s(fp0, cpu_env, fp0);
10050 } else {
10051 gen_helper_float_round_w_s(fp0, cpu_env, fp0);
10052 }
10053 gen_store_fpr32(ctx, fp0, fd);
10054 tcg_temp_free_i32(fp0);
10055 }
10056 break;
10057 case OPC_TRUNC_W_S:
10058 {
10059 TCGv_i32 fp0 = tcg_temp_new_i32();
10060
10061 gen_load_fpr32(ctx, fp0, fs);
10062 if (ctx->nan2008) {
10063 gen_helper_float_trunc_2008_w_s(fp0, cpu_env, fp0);
10064 } else {
10065 gen_helper_float_trunc_w_s(fp0, cpu_env, fp0);
10066 }
10067 gen_store_fpr32(ctx, fp0, fd);
10068 tcg_temp_free_i32(fp0);
10069 }
10070 break;
10071 case OPC_CEIL_W_S:
10072 {
10073 TCGv_i32 fp0 = tcg_temp_new_i32();
10074
10075 gen_load_fpr32(ctx, fp0, fs);
10076 if (ctx->nan2008) {
10077 gen_helper_float_ceil_2008_w_s(fp0, cpu_env, fp0);
10078 } else {
10079 gen_helper_float_ceil_w_s(fp0, cpu_env, fp0);
10080 }
10081 gen_store_fpr32(ctx, fp0, fd);
10082 tcg_temp_free_i32(fp0);
10083 }
10084 break;
10085 case OPC_FLOOR_W_S:
10086 {
10087 TCGv_i32 fp0 = tcg_temp_new_i32();
10088
10089 gen_load_fpr32(ctx, fp0, fs);
10090 if (ctx->nan2008) {
10091 gen_helper_float_floor_2008_w_s(fp0, cpu_env, fp0);
10092 } else {
10093 gen_helper_float_floor_w_s(fp0, cpu_env, fp0);
10094 }
10095 gen_store_fpr32(ctx, fp0, fd);
10096 tcg_temp_free_i32(fp0);
10097 }
10098 break;
10099 case OPC_SEL_S:
10100 check_insn(ctx, ISA_MIPS_R6);
10101 gen_sel_s(ctx, op1, fd, ft, fs);
10102 break;
10103 case OPC_SELEQZ_S:
10104 check_insn(ctx, ISA_MIPS_R6);
10105 gen_sel_s(ctx, op1, fd, ft, fs);
10106 break;
10107 case OPC_SELNEZ_S:
10108 check_insn(ctx, ISA_MIPS_R6);
10109 gen_sel_s(ctx, op1, fd, ft, fs);
10110 break;
10111 case OPC_MOVCF_S:
10112 check_insn_opc_removed(ctx, ISA_MIPS_R6);
10113 gen_movcf_s(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1);
10114 break;
10115 case OPC_MOVZ_S:
10116 check_insn_opc_removed(ctx, ISA_MIPS_R6);
10117 {
10118 TCGLabel *l1 = gen_new_label();
10119 TCGv_i32 fp0;
10120
10121 if (ft != 0) {
10122 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
10123 }
10124 fp0 = tcg_temp_new_i32();
10125 gen_load_fpr32(ctx, fp0, fs);
10126 gen_store_fpr32(ctx, fp0, fd);
10127 tcg_temp_free_i32(fp0);
10128 gen_set_label(l1);
10129 }
10130 break;
10131 case OPC_MOVN_S:
10132 check_insn_opc_removed(ctx, ISA_MIPS_R6);
10133 {
10134 TCGLabel *l1 = gen_new_label();
10135 TCGv_i32 fp0;
10136
10137 if (ft != 0) {
10138 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
10139 fp0 = tcg_temp_new_i32();
10140 gen_load_fpr32(ctx, fp0, fs);
10141 gen_store_fpr32(ctx, fp0, fd);
10142 tcg_temp_free_i32(fp0);
10143 gen_set_label(l1);
10144 }
10145 }
10146 break;
10147 case OPC_RECIP_S:
10148 {
10149 TCGv_i32 fp0 = tcg_temp_new_i32();
10150
10151 gen_load_fpr32(ctx, fp0, fs);
10152 gen_helper_float_recip_s(fp0, cpu_env, fp0);
10153 gen_store_fpr32(ctx, fp0, fd);
10154 tcg_temp_free_i32(fp0);
10155 }
10156 break;
10157 case OPC_RSQRT_S:
10158 {
10159 TCGv_i32 fp0 = tcg_temp_new_i32();
10160
10161 gen_load_fpr32(ctx, fp0, fs);
10162 gen_helper_float_rsqrt_s(fp0, cpu_env, fp0);
10163 gen_store_fpr32(ctx, fp0, fd);
10164 tcg_temp_free_i32(fp0);
10165 }
10166 break;
10167 case OPC_MADDF_S:
10168 check_insn(ctx, ISA_MIPS_R6);
10169 {
10170 TCGv_i32 fp0 = tcg_temp_new_i32();
10171 TCGv_i32 fp1 = tcg_temp_new_i32();
10172 TCGv_i32 fp2 = tcg_temp_new_i32();
10173 gen_load_fpr32(ctx, fp0, fs);
10174 gen_load_fpr32(ctx, fp1, ft);
10175 gen_load_fpr32(ctx, fp2, fd);
10176 gen_helper_float_maddf_s(fp2, cpu_env, fp0, fp1, fp2);
10177 gen_store_fpr32(ctx, fp2, fd);
10178 tcg_temp_free_i32(fp2);
10179 tcg_temp_free_i32(fp1);
10180 tcg_temp_free_i32(fp0);
10181 }
10182 break;
10183 case OPC_MSUBF_S:
10184 check_insn(ctx, ISA_MIPS_R6);
10185 {
10186 TCGv_i32 fp0 = tcg_temp_new_i32();
10187 TCGv_i32 fp1 = tcg_temp_new_i32();
10188 TCGv_i32 fp2 = tcg_temp_new_i32();
10189 gen_load_fpr32(ctx, fp0, fs);
10190 gen_load_fpr32(ctx, fp1, ft);
10191 gen_load_fpr32(ctx, fp2, fd);
10192 gen_helper_float_msubf_s(fp2, cpu_env, fp0, fp1, fp2);
10193 gen_store_fpr32(ctx, fp2, fd);
10194 tcg_temp_free_i32(fp2);
10195 tcg_temp_free_i32(fp1);
10196 tcg_temp_free_i32(fp0);
10197 }
10198 break;
10199 case OPC_RINT_S:
10200 check_insn(ctx, ISA_MIPS_R6);
10201 {
10202 TCGv_i32 fp0 = tcg_temp_new_i32();
10203 gen_load_fpr32(ctx, fp0, fs);
10204 gen_helper_float_rint_s(fp0, cpu_env, fp0);
10205 gen_store_fpr32(ctx, fp0, fd);
10206 tcg_temp_free_i32(fp0);
10207 }
10208 break;
10209 case OPC_CLASS_S:
10210 check_insn(ctx, ISA_MIPS_R6);
10211 {
10212 TCGv_i32 fp0 = tcg_temp_new_i32();
10213 gen_load_fpr32(ctx, fp0, fs);
10214 gen_helper_float_class_s(fp0, cpu_env, fp0);
10215 gen_store_fpr32(ctx, fp0, fd);
10216 tcg_temp_free_i32(fp0);
10217 }
10218 break;
10219 case OPC_MIN_S: /* OPC_RECIP2_S */
10220 if (ctx->insn_flags & ISA_MIPS_R6) {
10221 /* OPC_MIN_S */
10222 TCGv_i32 fp0 = tcg_temp_new_i32();
10223 TCGv_i32 fp1 = tcg_temp_new_i32();
10224 TCGv_i32 fp2 = tcg_temp_new_i32();
10225 gen_load_fpr32(ctx, fp0, fs);
10226 gen_load_fpr32(ctx, fp1, ft);
10227 gen_helper_float_min_s(fp2, cpu_env, fp0, fp1);
10228 gen_store_fpr32(ctx, fp2, fd);
10229 tcg_temp_free_i32(fp2);
10230 tcg_temp_free_i32(fp1);
10231 tcg_temp_free_i32(fp0);
10232 } else {
10233 /* OPC_RECIP2_S */
10234 check_cp1_64bitmode(ctx);
10235 {
10236 TCGv_i32 fp0 = tcg_temp_new_i32();
10237 TCGv_i32 fp1 = tcg_temp_new_i32();
10238
10239 gen_load_fpr32(ctx, fp0, fs);
10240 gen_load_fpr32(ctx, fp1, ft);
10241 gen_helper_float_recip2_s(fp0, cpu_env, fp0, fp1);
10242 tcg_temp_free_i32(fp1);
10243 gen_store_fpr32(ctx, fp0, fd);
10244 tcg_temp_free_i32(fp0);
10245 }
10246 }
10247 break;
10248 case OPC_MINA_S: /* OPC_RECIP1_S */
10249 if (ctx->insn_flags & ISA_MIPS_R6) {
10250 /* OPC_MINA_S */
10251 TCGv_i32 fp0 = tcg_temp_new_i32();
10252 TCGv_i32 fp1 = tcg_temp_new_i32();
10253 TCGv_i32 fp2 = tcg_temp_new_i32();
10254 gen_load_fpr32(ctx, fp0, fs);
10255 gen_load_fpr32(ctx, fp1, ft);
10256 gen_helper_float_mina_s(fp2, cpu_env, fp0, fp1);
10257 gen_store_fpr32(ctx, fp2, fd);
10258 tcg_temp_free_i32(fp2);
10259 tcg_temp_free_i32(fp1);
10260 tcg_temp_free_i32(fp0);
10261 } else {
10262 /* OPC_RECIP1_S */
10263 check_cp1_64bitmode(ctx);
10264 {
10265 TCGv_i32 fp0 = tcg_temp_new_i32();
10266
10267 gen_load_fpr32(ctx, fp0, fs);
10268 gen_helper_float_recip1_s(fp0, cpu_env, fp0);
10269 gen_store_fpr32(ctx, fp0, fd);
10270 tcg_temp_free_i32(fp0);
10271 }
10272 }
10273 break;
10274 case OPC_MAX_S: /* OPC_RSQRT1_S */
10275 if (ctx->insn_flags & ISA_MIPS_R6) {
10276 /* OPC_MAX_S */
10277 TCGv_i32 fp0 = tcg_temp_new_i32();
10278 TCGv_i32 fp1 = tcg_temp_new_i32();
10279 gen_load_fpr32(ctx, fp0, fs);
10280 gen_load_fpr32(ctx, fp1, ft);
10281 gen_helper_float_max_s(fp1, cpu_env, fp0, fp1);
10282 gen_store_fpr32(ctx, fp1, fd);
10283 tcg_temp_free_i32(fp1);
10284 tcg_temp_free_i32(fp0);
10285 } else {
10286 /* OPC_RSQRT1_S */
10287 check_cp1_64bitmode(ctx);
10288 {
10289 TCGv_i32 fp0 = tcg_temp_new_i32();
10290
10291 gen_load_fpr32(ctx, fp0, fs);
10292 gen_helper_float_rsqrt1_s(fp0, cpu_env, fp0);
10293 gen_store_fpr32(ctx, fp0, fd);
10294 tcg_temp_free_i32(fp0);
10295 }
10296 }
10297 break;
10298 case OPC_MAXA_S: /* OPC_RSQRT2_S */
10299 if (ctx->insn_flags & ISA_MIPS_R6) {
10300 /* OPC_MAXA_S */
10301 TCGv_i32 fp0 = tcg_temp_new_i32();
10302 TCGv_i32 fp1 = tcg_temp_new_i32();
10303 gen_load_fpr32(ctx, fp0, fs);
10304 gen_load_fpr32(ctx, fp1, ft);
10305 gen_helper_float_maxa_s(fp1, cpu_env, fp0, fp1);
10306 gen_store_fpr32(ctx, fp1, fd);
10307 tcg_temp_free_i32(fp1);
10308 tcg_temp_free_i32(fp0);
10309 } else {
10310 /* OPC_RSQRT2_S */
10311 check_cp1_64bitmode(ctx);
10312 {
10313 TCGv_i32 fp0 = tcg_temp_new_i32();
10314 TCGv_i32 fp1 = tcg_temp_new_i32();
10315
10316 gen_load_fpr32(ctx, fp0, fs);
10317 gen_load_fpr32(ctx, fp1, ft);
10318 gen_helper_float_rsqrt2_s(fp0, cpu_env, fp0, fp1);
10319 tcg_temp_free_i32(fp1);
10320 gen_store_fpr32(ctx, fp0, fd);
10321 tcg_temp_free_i32(fp0);
10322 }
10323 }
10324 break;
10325 case OPC_CVT_D_S:
10326 check_cp1_registers(ctx, fd);
10327 {
10328 TCGv_i32 fp32 = tcg_temp_new_i32();
10329 TCGv_i64 fp64 = tcg_temp_new_i64();
10330
10331 gen_load_fpr32(ctx, fp32, fs);
10332 gen_helper_float_cvtd_s(fp64, cpu_env, fp32);
10333 tcg_temp_free_i32(fp32);
10334 gen_store_fpr64(ctx, fp64, fd);
10335 tcg_temp_free_i64(fp64);
10336 }
10337 break;
10338 case OPC_CVT_W_S:
10339 {
10340 TCGv_i32 fp0 = tcg_temp_new_i32();
10341
10342 gen_load_fpr32(ctx, fp0, fs);
10343 if (ctx->nan2008) {
10344 gen_helper_float_cvt_2008_w_s(fp0, cpu_env, fp0);
10345 } else {
10346 gen_helper_float_cvt_w_s(fp0, cpu_env, fp0);
10347 }
10348 gen_store_fpr32(ctx, fp0, fd);
10349 tcg_temp_free_i32(fp0);
10350 }
10351 break;
10352 case OPC_CVT_L_S:
10353 check_cp1_64bitmode(ctx);
10354 {
10355 TCGv_i32 fp32 = tcg_temp_new_i32();
10356 TCGv_i64 fp64 = tcg_temp_new_i64();
10357
10358 gen_load_fpr32(ctx, fp32, fs);
10359 if (ctx->nan2008) {
10360 gen_helper_float_cvt_2008_l_s(fp64, cpu_env, fp32);
10361 } else {
10362 gen_helper_float_cvt_l_s(fp64, cpu_env, fp32);
10363 }
10364 tcg_temp_free_i32(fp32);
10365 gen_store_fpr64(ctx, fp64, fd);
10366 tcg_temp_free_i64(fp64);
10367 }
10368 break;
10369 case OPC_CVT_PS_S:
10370 check_ps(ctx);
10371 {
10372 TCGv_i64 fp64 = tcg_temp_new_i64();
10373 TCGv_i32 fp32_0 = tcg_temp_new_i32();
10374 TCGv_i32 fp32_1 = tcg_temp_new_i32();
10375
10376 gen_load_fpr32(ctx, fp32_0, fs);
10377 gen_load_fpr32(ctx, fp32_1, ft);
10378 tcg_gen_concat_i32_i64(fp64, fp32_1, fp32_0);
10379 tcg_temp_free_i32(fp32_1);
10380 tcg_temp_free_i32(fp32_0);
10381 gen_store_fpr64(ctx, fp64, fd);
10382 tcg_temp_free_i64(fp64);
10383 }
10384 break;
10385 case OPC_CMP_F_S:
10386 case OPC_CMP_UN_S:
10387 case OPC_CMP_EQ_S:
10388 case OPC_CMP_UEQ_S:
10389 case OPC_CMP_OLT_S:
10390 case OPC_CMP_ULT_S:
10391 case OPC_CMP_OLE_S:
10392 case OPC_CMP_ULE_S:
10393 case OPC_CMP_SF_S:
10394 case OPC_CMP_NGLE_S:
10395 case OPC_CMP_SEQ_S:
10396 case OPC_CMP_NGL_S:
10397 case OPC_CMP_LT_S:
10398 case OPC_CMP_NGE_S:
10399 case OPC_CMP_LE_S:
10400 case OPC_CMP_NGT_S:
10401 check_insn_opc_removed(ctx, ISA_MIPS_R6);
10402 if (ctx->opcode & (1 << 6)) {
10403 gen_cmpabs_s(ctx, func - 48, ft, fs, cc);
10404 } else {
10405 gen_cmp_s(ctx, func - 48, ft, fs, cc);
10406 }
10407 break;
10408 case OPC_ADD_D:
10409 check_cp1_registers(ctx, fs | ft | fd);
10410 {
10411 TCGv_i64 fp0 = tcg_temp_new_i64();
10412 TCGv_i64 fp1 = tcg_temp_new_i64();
10413
10414 gen_load_fpr64(ctx, fp0, fs);
10415 gen_load_fpr64(ctx, fp1, ft);
10416 gen_helper_float_add_d(fp0, cpu_env, fp0, fp1);
10417 tcg_temp_free_i64(fp1);
10418 gen_store_fpr64(ctx, fp0, fd);
10419 tcg_temp_free_i64(fp0);
10420 }
10421 break;
10422 case OPC_SUB_D:
10423 check_cp1_registers(ctx, fs | ft | fd);
10424 {
10425 TCGv_i64 fp0 = tcg_temp_new_i64();
10426 TCGv_i64 fp1 = tcg_temp_new_i64();
10427
10428 gen_load_fpr64(ctx, fp0, fs);
10429 gen_load_fpr64(ctx, fp1, ft);
10430 gen_helper_float_sub_d(fp0, cpu_env, fp0, fp1);
10431 tcg_temp_free_i64(fp1);
10432 gen_store_fpr64(ctx, fp0, fd);
10433 tcg_temp_free_i64(fp0);
10434 }
10435 break;
10436 case OPC_MUL_D:
10437 check_cp1_registers(ctx, fs | ft | fd);
10438 {
10439 TCGv_i64 fp0 = tcg_temp_new_i64();
10440 TCGv_i64 fp1 = tcg_temp_new_i64();
10441
10442 gen_load_fpr64(ctx, fp0, fs);
10443 gen_load_fpr64(ctx, fp1, ft);
10444 gen_helper_float_mul_d(fp0, cpu_env, fp0, fp1);
10445 tcg_temp_free_i64(fp1);
10446 gen_store_fpr64(ctx, fp0, fd);
10447 tcg_temp_free_i64(fp0);
10448 }
10449 break;
10450 case OPC_DIV_D:
10451 check_cp1_registers(ctx, fs | ft | fd);
10452 {
10453 TCGv_i64 fp0 = tcg_temp_new_i64();
10454 TCGv_i64 fp1 = tcg_temp_new_i64();
10455
10456 gen_load_fpr64(ctx, fp0, fs);
10457 gen_load_fpr64(ctx, fp1, ft);
10458 gen_helper_float_div_d(fp0, cpu_env, fp0, fp1);
10459 tcg_temp_free_i64(fp1);
10460 gen_store_fpr64(ctx, fp0, fd);
10461 tcg_temp_free_i64(fp0);
10462 }
10463 break;
10464 case OPC_SQRT_D:
10465 check_cp1_registers(ctx, fs | fd);
10466 {
10467 TCGv_i64 fp0 = tcg_temp_new_i64();
10468
10469 gen_load_fpr64(ctx, fp0, fs);
10470 gen_helper_float_sqrt_d(fp0, cpu_env, fp0);
10471 gen_store_fpr64(ctx, fp0, fd);
10472 tcg_temp_free_i64(fp0);
10473 }
10474 break;
10475 case OPC_ABS_D:
10476 check_cp1_registers(ctx, fs | fd);
10477 {
10478 TCGv_i64 fp0 = tcg_temp_new_i64();
10479
10480 gen_load_fpr64(ctx, fp0, fs);
10481 if (ctx->abs2008) {
10482 tcg_gen_andi_i64(fp0, fp0, 0x7fffffffffffffffULL);
10483 } else {
10484 gen_helper_float_abs_d(fp0, fp0);
10485 }
10486 gen_store_fpr64(ctx, fp0, fd);
10487 tcg_temp_free_i64(fp0);
10488 }
10489 break;
10490 case OPC_MOV_D:
10491 check_cp1_registers(ctx, fs | fd);
10492 {
10493 TCGv_i64 fp0 = tcg_temp_new_i64();
10494
10495 gen_load_fpr64(ctx, fp0, fs);
10496 gen_store_fpr64(ctx, fp0, fd);
10497 tcg_temp_free_i64(fp0);
10498 }
10499 break;
10500 case OPC_NEG_D:
10501 check_cp1_registers(ctx, fs | fd);
10502 {
10503 TCGv_i64 fp0 = tcg_temp_new_i64();
10504
10505 gen_load_fpr64(ctx, fp0, fs);
10506 if (ctx->abs2008) {
10507 tcg_gen_xori_i64(fp0, fp0, 1ULL << 63);
10508 } else {
10509 gen_helper_float_chs_d(fp0, fp0);
10510 }
10511 gen_store_fpr64(ctx, fp0, fd);
10512 tcg_temp_free_i64(fp0);
10513 }
10514 break;
10515 case OPC_ROUND_L_D:
10516 check_cp1_64bitmode(ctx);
10517 {
10518 TCGv_i64 fp0 = tcg_temp_new_i64();
10519
10520 gen_load_fpr64(ctx, fp0, fs);
10521 if (ctx->nan2008) {
10522 gen_helper_float_round_2008_l_d(fp0, cpu_env, fp0);
10523 } else {
10524 gen_helper_float_round_l_d(fp0, cpu_env, fp0);
10525 }
10526 gen_store_fpr64(ctx, fp0, fd);
10527 tcg_temp_free_i64(fp0);
10528 }
10529 break;
10530 case OPC_TRUNC_L_D:
10531 check_cp1_64bitmode(ctx);
10532 {
10533 TCGv_i64 fp0 = tcg_temp_new_i64();
10534
10535 gen_load_fpr64(ctx, fp0, fs);
10536 if (ctx->nan2008) {
10537 gen_helper_float_trunc_2008_l_d(fp0, cpu_env, fp0);
10538 } else {
10539 gen_helper_float_trunc_l_d(fp0, cpu_env, fp0);
10540 }
10541 gen_store_fpr64(ctx, fp0, fd);
10542 tcg_temp_free_i64(fp0);
10543 }
10544 break;
10545 case OPC_CEIL_L_D:
10546 check_cp1_64bitmode(ctx);
10547 {
10548 TCGv_i64 fp0 = tcg_temp_new_i64();
10549
10550 gen_load_fpr64(ctx, fp0, fs);
10551 if (ctx->nan2008) {
10552 gen_helper_float_ceil_2008_l_d(fp0, cpu_env, fp0);
10553 } else {
10554 gen_helper_float_ceil_l_d(fp0, cpu_env, fp0);
10555 }
10556 gen_store_fpr64(ctx, fp0, fd);
10557 tcg_temp_free_i64(fp0);
10558 }
10559 break;
10560 case OPC_FLOOR_L_D:
10561 check_cp1_64bitmode(ctx);
10562 {
10563 TCGv_i64 fp0 = tcg_temp_new_i64();
10564
10565 gen_load_fpr64(ctx, fp0, fs);
10566 if (ctx->nan2008) {
10567 gen_helper_float_floor_2008_l_d(fp0, cpu_env, fp0);
10568 } else {
10569 gen_helper_float_floor_l_d(fp0, cpu_env, fp0);
10570 }
10571 gen_store_fpr64(ctx, fp0, fd);
10572 tcg_temp_free_i64(fp0);
10573 }
10574 break;
10575 case OPC_ROUND_W_D:
10576 check_cp1_registers(ctx, fs);
10577 {
10578 TCGv_i32 fp32 = tcg_temp_new_i32();
10579 TCGv_i64 fp64 = tcg_temp_new_i64();
10580
10581 gen_load_fpr64(ctx, fp64, fs);
10582 if (ctx->nan2008) {
10583 gen_helper_float_round_2008_w_d(fp32, cpu_env, fp64);
10584 } else {
10585 gen_helper_float_round_w_d(fp32, cpu_env, fp64);
10586 }
10587 tcg_temp_free_i64(fp64);
10588 gen_store_fpr32(ctx, fp32, fd);
10589 tcg_temp_free_i32(fp32);
10590 }
10591 break;
10592 case OPC_TRUNC_W_D:
10593 check_cp1_registers(ctx, fs);
10594 {
10595 TCGv_i32 fp32 = tcg_temp_new_i32();
10596 TCGv_i64 fp64 = tcg_temp_new_i64();
10597
10598 gen_load_fpr64(ctx, fp64, fs);
10599 if (ctx->nan2008) {
10600 gen_helper_float_trunc_2008_w_d(fp32, cpu_env, fp64);
10601 } else {
10602 gen_helper_float_trunc_w_d(fp32, cpu_env, fp64);
10603 }
10604 tcg_temp_free_i64(fp64);
10605 gen_store_fpr32(ctx, fp32, fd);
10606 tcg_temp_free_i32(fp32);
10607 }
10608 break;
10609 case OPC_CEIL_W_D:
10610 check_cp1_registers(ctx, fs);
10611 {
10612 TCGv_i32 fp32 = tcg_temp_new_i32();
10613 TCGv_i64 fp64 = tcg_temp_new_i64();
10614
10615 gen_load_fpr64(ctx, fp64, fs);
10616 if (ctx->nan2008) {
10617 gen_helper_float_ceil_2008_w_d(fp32, cpu_env, fp64);
10618 } else {
10619 gen_helper_float_ceil_w_d(fp32, cpu_env, fp64);
10620 }
10621 tcg_temp_free_i64(fp64);
10622 gen_store_fpr32(ctx, fp32, fd);
10623 tcg_temp_free_i32(fp32);
10624 }
10625 break;
10626 case OPC_FLOOR_W_D:
10627 check_cp1_registers(ctx, fs);
10628 {
10629 TCGv_i32 fp32 = tcg_temp_new_i32();
10630 TCGv_i64 fp64 = tcg_temp_new_i64();
10631
10632 gen_load_fpr64(ctx, fp64, fs);
10633 if (ctx->nan2008) {
10634 gen_helper_float_floor_2008_w_d(fp32, cpu_env, fp64);
10635 } else {
10636 gen_helper_float_floor_w_d(fp32, cpu_env, fp64);
10637 }
10638 tcg_temp_free_i64(fp64);
10639 gen_store_fpr32(ctx, fp32, fd);
10640 tcg_temp_free_i32(fp32);
10641 }
10642 break;
10643 case OPC_SEL_D:
10644 check_insn(ctx, ISA_MIPS_R6);
10645 gen_sel_d(ctx, op1, fd, ft, fs);
10646 break;
10647 case OPC_SELEQZ_D:
10648 check_insn(ctx, ISA_MIPS_R6);
10649 gen_sel_d(ctx, op1, fd, ft, fs);
10650 break;
10651 case OPC_SELNEZ_D:
10652 check_insn(ctx, ISA_MIPS_R6);
10653 gen_sel_d(ctx, op1, fd, ft, fs);
10654 break;
10655 case OPC_MOVCF_D:
10656 check_insn_opc_removed(ctx, ISA_MIPS_R6);
10657 gen_movcf_d(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1);
10658 break;
10659 case OPC_MOVZ_D:
10660 check_insn_opc_removed(ctx, ISA_MIPS_R6);
10661 {
10662 TCGLabel *l1 = gen_new_label();
10663 TCGv_i64 fp0;
10664
10665 if (ft != 0) {
10666 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
10667 }
10668 fp0 = tcg_temp_new_i64();
10669 gen_load_fpr64(ctx, fp0, fs);
10670 gen_store_fpr64(ctx, fp0, fd);
10671 tcg_temp_free_i64(fp0);
10672 gen_set_label(l1);
10673 }
10674 break;
10675 case OPC_MOVN_D:
10676 check_insn_opc_removed(ctx, ISA_MIPS_R6);
10677 {
10678 TCGLabel *l1 = gen_new_label();
10679 TCGv_i64 fp0;
10680
10681 if (ft != 0) {
10682 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
10683 fp0 = tcg_temp_new_i64();
10684 gen_load_fpr64(ctx, fp0, fs);
10685 gen_store_fpr64(ctx, fp0, fd);
10686 tcg_temp_free_i64(fp0);
10687 gen_set_label(l1);
10688 }
10689 }
10690 break;
10691 case OPC_RECIP_D:
10692 check_cp1_registers(ctx, fs | fd);
10693 {
10694 TCGv_i64 fp0 = tcg_temp_new_i64();
10695
10696 gen_load_fpr64(ctx, fp0, fs);
10697 gen_helper_float_recip_d(fp0, cpu_env, fp0);
10698 gen_store_fpr64(ctx, fp0, fd);
10699 tcg_temp_free_i64(fp0);
10700 }
10701 break;
10702 case OPC_RSQRT_D:
10703 check_cp1_registers(ctx, fs | fd);
10704 {
10705 TCGv_i64 fp0 = tcg_temp_new_i64();
10706
10707 gen_load_fpr64(ctx, fp0, fs);
10708 gen_helper_float_rsqrt_d(fp0, cpu_env, fp0);
10709 gen_store_fpr64(ctx, fp0, fd);
10710 tcg_temp_free_i64(fp0);
10711 }
10712 break;
10713 case OPC_MADDF_D:
10714 check_insn(ctx, ISA_MIPS_R6);
10715 {
10716 TCGv_i64 fp0 = tcg_temp_new_i64();
10717 TCGv_i64 fp1 = tcg_temp_new_i64();
10718 TCGv_i64 fp2 = tcg_temp_new_i64();
10719 gen_load_fpr64(ctx, fp0, fs);
10720 gen_load_fpr64(ctx, fp1, ft);
10721 gen_load_fpr64(ctx, fp2, fd);
10722 gen_helper_float_maddf_d(fp2, cpu_env, fp0, fp1, fp2);
10723 gen_store_fpr64(ctx, fp2, fd);
10724 tcg_temp_free_i64(fp2);
10725 tcg_temp_free_i64(fp1);
10726 tcg_temp_free_i64(fp0);
10727 }
10728 break;
10729 case OPC_MSUBF_D:
10730 check_insn(ctx, ISA_MIPS_R6);
10731 {
10732 TCGv_i64 fp0 = tcg_temp_new_i64();
10733 TCGv_i64 fp1 = tcg_temp_new_i64();
10734 TCGv_i64 fp2 = tcg_temp_new_i64();
10735 gen_load_fpr64(ctx, fp0, fs);
10736 gen_load_fpr64(ctx, fp1, ft);
10737 gen_load_fpr64(ctx, fp2, fd);
10738 gen_helper_float_msubf_d(fp2, cpu_env, fp0, fp1, fp2);
10739 gen_store_fpr64(ctx, fp2, fd);
10740 tcg_temp_free_i64(fp2);
10741 tcg_temp_free_i64(fp1);
10742 tcg_temp_free_i64(fp0);
10743 }
10744 break;
10745 case OPC_RINT_D:
10746 check_insn(ctx, ISA_MIPS_R6);
10747 {
10748 TCGv_i64 fp0 = tcg_temp_new_i64();
10749 gen_load_fpr64(ctx, fp0, fs);
10750 gen_helper_float_rint_d(fp0, cpu_env, fp0);
10751 gen_store_fpr64(ctx, fp0, fd);
10752 tcg_temp_free_i64(fp0);
10753 }
10754 break;
10755 case OPC_CLASS_D:
10756 check_insn(ctx, ISA_MIPS_R6);
10757 {
10758 TCGv_i64 fp0 = tcg_temp_new_i64();
10759 gen_load_fpr64(ctx, fp0, fs);
10760 gen_helper_float_class_d(fp0, cpu_env, fp0);
10761 gen_store_fpr64(ctx, fp0, fd);
10762 tcg_temp_free_i64(fp0);
10763 }
10764 break;
10765 case OPC_MIN_D: /* OPC_RECIP2_D */
10766 if (ctx->insn_flags & ISA_MIPS_R6) {
10767 /* OPC_MIN_D */
10768 TCGv_i64 fp0 = tcg_temp_new_i64();
10769 TCGv_i64 fp1 = tcg_temp_new_i64();
10770 gen_load_fpr64(ctx, fp0, fs);
10771 gen_load_fpr64(ctx, fp1, ft);
10772 gen_helper_float_min_d(fp1, cpu_env, fp0, fp1);
10773 gen_store_fpr64(ctx, fp1, fd);
10774 tcg_temp_free_i64(fp1);
10775 tcg_temp_free_i64(fp0);
10776 } else {
10777 /* OPC_RECIP2_D */
10778 check_cp1_64bitmode(ctx);
10779 {
10780 TCGv_i64 fp0 = tcg_temp_new_i64();
10781 TCGv_i64 fp1 = tcg_temp_new_i64();
10782
10783 gen_load_fpr64(ctx, fp0, fs);
10784 gen_load_fpr64(ctx, fp1, ft);
10785 gen_helper_float_recip2_d(fp0, cpu_env, fp0, fp1);
10786 tcg_temp_free_i64(fp1);
10787 gen_store_fpr64(ctx, fp0, fd);
10788 tcg_temp_free_i64(fp0);
10789 }
10790 }
10791 break;
10792 case OPC_MINA_D: /* OPC_RECIP1_D */
10793 if (ctx->insn_flags & ISA_MIPS_R6) {
10794 /* OPC_MINA_D */
10795 TCGv_i64 fp0 = tcg_temp_new_i64();
10796 TCGv_i64 fp1 = tcg_temp_new_i64();
10797 gen_load_fpr64(ctx, fp0, fs);
10798 gen_load_fpr64(ctx, fp1, ft);
10799 gen_helper_float_mina_d(fp1, cpu_env, fp0, fp1);
10800 gen_store_fpr64(ctx, fp1, fd);
10801 tcg_temp_free_i64(fp1);
10802 tcg_temp_free_i64(fp0);
10803 } else {
10804 /* OPC_RECIP1_D */
10805 check_cp1_64bitmode(ctx);
10806 {
10807 TCGv_i64 fp0 = tcg_temp_new_i64();
10808
10809 gen_load_fpr64(ctx, fp0, fs);
10810 gen_helper_float_recip1_d(fp0, cpu_env, fp0);
10811 gen_store_fpr64(ctx, fp0, fd);
10812 tcg_temp_free_i64(fp0);
10813 }
10814 }
10815 break;
10816 case OPC_MAX_D: /* OPC_RSQRT1_D */
10817 if (ctx->insn_flags & ISA_MIPS_R6) {
10818 /* OPC_MAX_D */
10819 TCGv_i64 fp0 = tcg_temp_new_i64();
10820 TCGv_i64 fp1 = tcg_temp_new_i64();
10821 gen_load_fpr64(ctx, fp0, fs);
10822 gen_load_fpr64(ctx, fp1, ft);
10823 gen_helper_float_max_d(fp1, cpu_env, fp0, fp1);
10824 gen_store_fpr64(ctx, fp1, fd);
10825 tcg_temp_free_i64(fp1);
10826 tcg_temp_free_i64(fp0);
10827 } else {
10828 /* OPC_RSQRT1_D */
10829 check_cp1_64bitmode(ctx);
10830 {
10831 TCGv_i64 fp0 = tcg_temp_new_i64();
10832
10833 gen_load_fpr64(ctx, fp0, fs);
10834 gen_helper_float_rsqrt1_d(fp0, cpu_env, fp0);
10835 gen_store_fpr64(ctx, fp0, fd);
10836 tcg_temp_free_i64(fp0);
10837 }
10838 }
10839 break;
10840 case OPC_MAXA_D: /* OPC_RSQRT2_D */
10841 if (ctx->insn_flags & ISA_MIPS_R6) {
10842 /* OPC_MAXA_D */
10843 TCGv_i64 fp0 = tcg_temp_new_i64();
10844 TCGv_i64 fp1 = tcg_temp_new_i64();
10845 gen_load_fpr64(ctx, fp0, fs);
10846 gen_load_fpr64(ctx, fp1, ft);
10847 gen_helper_float_maxa_d(fp1, cpu_env, fp0, fp1);
10848 gen_store_fpr64(ctx, fp1, fd);
10849 tcg_temp_free_i64(fp1);
10850 tcg_temp_free_i64(fp0);
10851 } else {
10852 /* OPC_RSQRT2_D */
10853 check_cp1_64bitmode(ctx);
10854 {
10855 TCGv_i64 fp0 = tcg_temp_new_i64();
10856 TCGv_i64 fp1 = tcg_temp_new_i64();
10857
10858 gen_load_fpr64(ctx, fp0, fs);
10859 gen_load_fpr64(ctx, fp1, ft);
10860 gen_helper_float_rsqrt2_d(fp0, cpu_env, fp0, fp1);
10861 tcg_temp_free_i64(fp1);
10862 gen_store_fpr64(ctx, fp0, fd);
10863 tcg_temp_free_i64(fp0);
10864 }
10865 }
10866 break;
10867 case OPC_CMP_F_D:
10868 case OPC_CMP_UN_D:
10869 case OPC_CMP_EQ_D:
10870 case OPC_CMP_UEQ_D:
10871 case OPC_CMP_OLT_D:
10872 case OPC_CMP_ULT_D:
10873 case OPC_CMP_OLE_D:
10874 case OPC_CMP_ULE_D:
10875 case OPC_CMP_SF_D:
10876 case OPC_CMP_NGLE_D:
10877 case OPC_CMP_SEQ_D:
10878 case OPC_CMP_NGL_D:
10879 case OPC_CMP_LT_D:
10880 case OPC_CMP_NGE_D:
10881 case OPC_CMP_LE_D:
10882 case OPC_CMP_NGT_D:
10883 check_insn_opc_removed(ctx, ISA_MIPS_R6);
10884 if (ctx->opcode & (1 << 6)) {
10885 gen_cmpabs_d(ctx, func - 48, ft, fs, cc);
10886 } else {
10887 gen_cmp_d(ctx, func - 48, ft, fs, cc);
10888 }
10889 break;
10890 case OPC_CVT_S_D:
10891 check_cp1_registers(ctx, fs);
10892 {
10893 TCGv_i32 fp32 = tcg_temp_new_i32();
10894 TCGv_i64 fp64 = tcg_temp_new_i64();
10895
10896 gen_load_fpr64(ctx, fp64, fs);
10897 gen_helper_float_cvts_d(fp32, cpu_env, fp64);
10898 tcg_temp_free_i64(fp64);
10899 gen_store_fpr32(ctx, fp32, fd);
10900 tcg_temp_free_i32(fp32);
10901 }
10902 break;
10903 case OPC_CVT_W_D:
10904 check_cp1_registers(ctx, fs);
10905 {
10906 TCGv_i32 fp32 = tcg_temp_new_i32();
10907 TCGv_i64 fp64 = tcg_temp_new_i64();
10908
10909 gen_load_fpr64(ctx, fp64, fs);
10910 if (ctx->nan2008) {
10911 gen_helper_float_cvt_2008_w_d(fp32, cpu_env, fp64);
10912 } else {
10913 gen_helper_float_cvt_w_d(fp32, cpu_env, fp64);
10914 }
10915 tcg_temp_free_i64(fp64);
10916 gen_store_fpr32(ctx, fp32, fd);
10917 tcg_temp_free_i32(fp32);
10918 }
10919 break;
10920 case OPC_CVT_L_D:
10921 check_cp1_64bitmode(ctx);
10922 {
10923 TCGv_i64 fp0 = tcg_temp_new_i64();
10924
10925 gen_load_fpr64(ctx, fp0, fs);
10926 if (ctx->nan2008) {
10927 gen_helper_float_cvt_2008_l_d(fp0, cpu_env, fp0);
10928 } else {
10929 gen_helper_float_cvt_l_d(fp0, cpu_env, fp0);
10930 }
10931 gen_store_fpr64(ctx, fp0, fd);
10932 tcg_temp_free_i64(fp0);
10933 }
10934 break;
10935 case OPC_CVT_S_W:
10936 {
10937 TCGv_i32 fp0 = tcg_temp_new_i32();
10938
10939 gen_load_fpr32(ctx, fp0, fs);
10940 gen_helper_float_cvts_w(fp0, cpu_env, fp0);
10941 gen_store_fpr32(ctx, fp0, fd);
10942 tcg_temp_free_i32(fp0);
10943 }
10944 break;
10945 case OPC_CVT_D_W:
10946 check_cp1_registers(ctx, fd);
10947 {
10948 TCGv_i32 fp32 = tcg_temp_new_i32();
10949 TCGv_i64 fp64 = tcg_temp_new_i64();
10950
10951 gen_load_fpr32(ctx, fp32, fs);
10952 gen_helper_float_cvtd_w(fp64, cpu_env, fp32);
10953 tcg_temp_free_i32(fp32);
10954 gen_store_fpr64(ctx, fp64, fd);
10955 tcg_temp_free_i64(fp64);
10956 }
10957 break;
10958 case OPC_CVT_S_L:
10959 check_cp1_64bitmode(ctx);
10960 {
10961 TCGv_i32 fp32 = tcg_temp_new_i32();
10962 TCGv_i64 fp64 = tcg_temp_new_i64();
10963
10964 gen_load_fpr64(ctx, fp64, fs);
10965 gen_helper_float_cvts_l(fp32, cpu_env, fp64);
10966 tcg_temp_free_i64(fp64);
10967 gen_store_fpr32(ctx, fp32, fd);
10968 tcg_temp_free_i32(fp32);
10969 }
10970 break;
10971 case OPC_CVT_D_L:
10972 check_cp1_64bitmode(ctx);
10973 {
10974 TCGv_i64 fp0 = tcg_temp_new_i64();
10975
10976 gen_load_fpr64(ctx, fp0, fs);
10977 gen_helper_float_cvtd_l(fp0, cpu_env, fp0);
10978 gen_store_fpr64(ctx, fp0, fd);
10979 tcg_temp_free_i64(fp0);
10980 }
10981 break;
10982 case OPC_CVT_PS_PW:
10983 check_ps(ctx);
10984 {
10985 TCGv_i64 fp0 = tcg_temp_new_i64();
10986
10987 gen_load_fpr64(ctx, fp0, fs);
10988 gen_helper_float_cvtps_pw(fp0, cpu_env, fp0);
10989 gen_store_fpr64(ctx, fp0, fd);
10990 tcg_temp_free_i64(fp0);
10991 }
10992 break;
10993 case OPC_ADD_PS:
10994 check_ps(ctx);
10995 {
10996 TCGv_i64 fp0 = tcg_temp_new_i64();
10997 TCGv_i64 fp1 = tcg_temp_new_i64();
10998
10999 gen_load_fpr64(ctx, fp0, fs);
11000 gen_load_fpr64(ctx, fp1, ft);
11001 gen_helper_float_add_ps(fp0, cpu_env, fp0, fp1);
11002 tcg_temp_free_i64(fp1);
11003 gen_store_fpr64(ctx, fp0, fd);
11004 tcg_temp_free_i64(fp0);
11005 }
11006 break;
11007 case OPC_SUB_PS:
11008 check_ps(ctx);
11009 {
11010 TCGv_i64 fp0 = tcg_temp_new_i64();
11011 TCGv_i64 fp1 = tcg_temp_new_i64();
11012
11013 gen_load_fpr64(ctx, fp0, fs);
11014 gen_load_fpr64(ctx, fp1, ft);
11015 gen_helper_float_sub_ps(fp0, cpu_env, fp0, fp1);
11016 tcg_temp_free_i64(fp1);
11017 gen_store_fpr64(ctx, fp0, fd);
11018 tcg_temp_free_i64(fp0);
11019 }
11020 break;
11021 case OPC_MUL_PS:
11022 check_ps(ctx);
11023 {
11024 TCGv_i64 fp0 = tcg_temp_new_i64();
11025 TCGv_i64 fp1 = tcg_temp_new_i64();
11026
11027 gen_load_fpr64(ctx, fp0, fs);
11028 gen_load_fpr64(ctx, fp1, ft);
11029 gen_helper_float_mul_ps(fp0, cpu_env, fp0, fp1);
11030 tcg_temp_free_i64(fp1);
11031 gen_store_fpr64(ctx, fp0, fd);
11032 tcg_temp_free_i64(fp0);
11033 }
11034 break;
11035 case OPC_ABS_PS:
11036 check_ps(ctx);
11037 {
11038 TCGv_i64 fp0 = tcg_temp_new_i64();
11039
11040 gen_load_fpr64(ctx, fp0, fs);
11041 gen_helper_float_abs_ps(fp0, fp0);
11042 gen_store_fpr64(ctx, fp0, fd);
11043 tcg_temp_free_i64(fp0);
11044 }
11045 break;
11046 case OPC_MOV_PS:
11047 check_ps(ctx);
11048 {
11049 TCGv_i64 fp0 = tcg_temp_new_i64();
11050
11051 gen_load_fpr64(ctx, fp0, fs);
11052 gen_store_fpr64(ctx, fp0, fd);
11053 tcg_temp_free_i64(fp0);
11054 }
11055 break;
11056 case OPC_NEG_PS:
11057 check_ps(ctx);
11058 {
11059 TCGv_i64 fp0 = tcg_temp_new_i64();
11060
11061 gen_load_fpr64(ctx, fp0, fs);
11062 gen_helper_float_chs_ps(fp0, fp0);
11063 gen_store_fpr64(ctx, fp0, fd);
11064 tcg_temp_free_i64(fp0);
11065 }
11066 break;
11067 case OPC_MOVCF_PS:
11068 check_ps(ctx);
11069 gen_movcf_ps(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1);
11070 break;
11071 case OPC_MOVZ_PS:
11072 check_ps(ctx);
11073 {
11074 TCGLabel *l1 = gen_new_label();
11075 TCGv_i64 fp0;
11076
11077 if (ft != 0) {
11078 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
11079 }
11080 fp0 = tcg_temp_new_i64();
11081 gen_load_fpr64(ctx, fp0, fs);
11082 gen_store_fpr64(ctx, fp0, fd);
11083 tcg_temp_free_i64(fp0);
11084 gen_set_label(l1);
11085 }
11086 break;
11087 case OPC_MOVN_PS:
11088 check_ps(ctx);
11089 {
11090 TCGLabel *l1 = gen_new_label();
11091 TCGv_i64 fp0;
11092
11093 if (ft != 0) {
11094 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
11095 fp0 = tcg_temp_new_i64();
11096 gen_load_fpr64(ctx, fp0, fs);
11097 gen_store_fpr64(ctx, fp0, fd);
11098 tcg_temp_free_i64(fp0);
11099 gen_set_label(l1);
11100 }
11101 }
11102 break;
11103 case OPC_ADDR_PS:
11104 check_ps(ctx);
11105 {
11106 TCGv_i64 fp0 = tcg_temp_new_i64();
11107 TCGv_i64 fp1 = tcg_temp_new_i64();
11108
11109 gen_load_fpr64(ctx, fp0, ft);
11110 gen_load_fpr64(ctx, fp1, fs);
11111 gen_helper_float_addr_ps(fp0, cpu_env, fp0, fp1);
11112 tcg_temp_free_i64(fp1);
11113 gen_store_fpr64(ctx, fp0, fd);
11114 tcg_temp_free_i64(fp0);
11115 }
11116 break;
11117 case OPC_MULR_PS:
11118 check_ps(ctx);
11119 {
11120 TCGv_i64 fp0 = tcg_temp_new_i64();
11121 TCGv_i64 fp1 = tcg_temp_new_i64();
11122
11123 gen_load_fpr64(ctx, fp0, ft);
11124 gen_load_fpr64(ctx, fp1, fs);
11125 gen_helper_float_mulr_ps(fp0, cpu_env, fp0, fp1);
11126 tcg_temp_free_i64(fp1);
11127 gen_store_fpr64(ctx, fp0, fd);
11128 tcg_temp_free_i64(fp0);
11129 }
11130 break;
11131 case OPC_RECIP2_PS:
11132 check_ps(ctx);
11133 {
11134 TCGv_i64 fp0 = tcg_temp_new_i64();
11135 TCGv_i64 fp1 = tcg_temp_new_i64();
11136
11137 gen_load_fpr64(ctx, fp0, fs);
11138 gen_load_fpr64(ctx, fp1, ft);
11139 gen_helper_float_recip2_ps(fp0, cpu_env, fp0, fp1);
11140 tcg_temp_free_i64(fp1);
11141 gen_store_fpr64(ctx, fp0, fd);
11142 tcg_temp_free_i64(fp0);
11143 }
11144 break;
11145 case OPC_RECIP1_PS:
11146 check_ps(ctx);
11147 {
11148 TCGv_i64 fp0 = tcg_temp_new_i64();
11149
11150 gen_load_fpr64(ctx, fp0, fs);
11151 gen_helper_float_recip1_ps(fp0, cpu_env, fp0);
11152 gen_store_fpr64(ctx, fp0, fd);
11153 tcg_temp_free_i64(fp0);
11154 }
11155 break;
11156 case OPC_RSQRT1_PS:
11157 check_ps(ctx);
11158 {
11159 TCGv_i64 fp0 = tcg_temp_new_i64();
11160
11161 gen_load_fpr64(ctx, fp0, fs);
11162 gen_helper_float_rsqrt1_ps(fp0, cpu_env, fp0);
11163 gen_store_fpr64(ctx, fp0, fd);
11164 tcg_temp_free_i64(fp0);
11165 }
11166 break;
11167 case OPC_RSQRT2_PS:
11168 check_ps(ctx);
11169 {
11170 TCGv_i64 fp0 = tcg_temp_new_i64();
11171 TCGv_i64 fp1 = tcg_temp_new_i64();
11172
11173 gen_load_fpr64(ctx, fp0, fs);
11174 gen_load_fpr64(ctx, fp1, ft);
11175 gen_helper_float_rsqrt2_ps(fp0, cpu_env, fp0, fp1);
11176 tcg_temp_free_i64(fp1);
11177 gen_store_fpr64(ctx, fp0, fd);
11178 tcg_temp_free_i64(fp0);
11179 }
11180 break;
11181 case OPC_CVT_S_PU:
11182 check_cp1_64bitmode(ctx);
11183 {
11184 TCGv_i32 fp0 = tcg_temp_new_i32();
11185
11186 gen_load_fpr32h(ctx, fp0, fs);
11187 gen_helper_float_cvts_pu(fp0, cpu_env, fp0);
11188 gen_store_fpr32(ctx, fp0, fd);
11189 tcg_temp_free_i32(fp0);
11190 }
11191 break;
11192 case OPC_CVT_PW_PS:
11193 check_ps(ctx);
11194 {
11195 TCGv_i64 fp0 = tcg_temp_new_i64();
11196
11197 gen_load_fpr64(ctx, fp0, fs);
11198 gen_helper_float_cvtpw_ps(fp0, cpu_env, fp0);
11199 gen_store_fpr64(ctx, fp0, fd);
11200 tcg_temp_free_i64(fp0);
11201 }
11202 break;
11203 case OPC_CVT_S_PL:
11204 check_cp1_64bitmode(ctx);
11205 {
11206 TCGv_i32 fp0 = tcg_temp_new_i32();
11207
11208 gen_load_fpr32(ctx, fp0, fs);
11209 gen_helper_float_cvts_pl(fp0, cpu_env, fp0);
11210 gen_store_fpr32(ctx, fp0, fd);
11211 tcg_temp_free_i32(fp0);
11212 }
11213 break;
11214 case OPC_PLL_PS:
11215 check_ps(ctx);
11216 {
11217 TCGv_i32 fp0 = tcg_temp_new_i32();
11218 TCGv_i32 fp1 = tcg_temp_new_i32();
11219
11220 gen_load_fpr32(ctx, fp0, fs);
11221 gen_load_fpr32(ctx, fp1, ft);
11222 gen_store_fpr32h(ctx, fp0, fd);
11223 gen_store_fpr32(ctx, fp1, fd);
11224 tcg_temp_free_i32(fp0);
11225 tcg_temp_free_i32(fp1);
11226 }
11227 break;
11228 case OPC_PLU_PS:
11229 check_ps(ctx);
11230 {
11231 TCGv_i32 fp0 = tcg_temp_new_i32();
11232 TCGv_i32 fp1 = tcg_temp_new_i32();
11233
11234 gen_load_fpr32(ctx, fp0, fs);
11235 gen_load_fpr32h(ctx, fp1, ft);
11236 gen_store_fpr32(ctx, fp1, fd);
11237 gen_store_fpr32h(ctx, fp0, fd);
11238 tcg_temp_free_i32(fp0);
11239 tcg_temp_free_i32(fp1);
11240 }
11241 break;
11242 case OPC_PUL_PS:
11243 check_ps(ctx);
11244 {
11245 TCGv_i32 fp0 = tcg_temp_new_i32();
11246 TCGv_i32 fp1 = tcg_temp_new_i32();
11247
11248 gen_load_fpr32h(ctx, fp0, fs);
11249 gen_load_fpr32(ctx, fp1, ft);
11250 gen_store_fpr32(ctx, fp1, fd);
11251 gen_store_fpr32h(ctx, fp0, fd);
11252 tcg_temp_free_i32(fp0);
11253 tcg_temp_free_i32(fp1);
11254 }
11255 break;
11256 case OPC_PUU_PS:
11257 check_ps(ctx);
11258 {
11259 TCGv_i32 fp0 = tcg_temp_new_i32();
11260 TCGv_i32 fp1 = tcg_temp_new_i32();
11261
11262 gen_load_fpr32h(ctx, fp0, fs);
11263 gen_load_fpr32h(ctx, fp1, ft);
11264 gen_store_fpr32(ctx, fp1, fd);
11265 gen_store_fpr32h(ctx, fp0, fd);
11266 tcg_temp_free_i32(fp0);
11267 tcg_temp_free_i32(fp1);
11268 }
11269 break;
11270 case OPC_CMP_F_PS:
11271 case OPC_CMP_UN_PS:
11272 case OPC_CMP_EQ_PS:
11273 case OPC_CMP_UEQ_PS:
11274 case OPC_CMP_OLT_PS:
11275 case OPC_CMP_ULT_PS:
11276 case OPC_CMP_OLE_PS:
11277 case OPC_CMP_ULE_PS:
11278 case OPC_CMP_SF_PS:
11279 case OPC_CMP_NGLE_PS:
11280 case OPC_CMP_SEQ_PS:
11281 case OPC_CMP_NGL_PS:
11282 case OPC_CMP_LT_PS:
11283 case OPC_CMP_NGE_PS:
11284 case OPC_CMP_LE_PS:
11285 case OPC_CMP_NGT_PS:
11286 if (ctx->opcode & (1 << 6)) {
11287 gen_cmpabs_ps(ctx, func - 48, ft, fs, cc);
11288 } else {
11289 gen_cmp_ps(ctx, func - 48, ft, fs, cc);
11290 }
11291 break;
11292 default:
11293 MIPS_INVAL("farith");
11294 gen_reserved_instruction(ctx);
11295 return;
11296 }
11297 }
11298
11299 /* Coprocessor 3 (FPU) */
11300 static void gen_flt3_ldst(DisasContext *ctx, uint32_t opc,
11301 int fd, int fs, int base, int index)
11302 {
11303 TCGv t0 = tcg_temp_new();
11304
11305 if (base == 0) {
11306 gen_load_gpr(t0, index);
11307 } else if (index == 0) {
11308 gen_load_gpr(t0, base);
11309 } else {
11310 gen_op_addr_add(ctx, t0, cpu_gpr[base], cpu_gpr[index]);
11311 }
11312 /*
11313 * Don't do NOP if destination is zero: we must perform the actual
11314 * memory access.
11315 */
11316 switch (opc) {
11317 case OPC_LWXC1:
11318 check_cop1x(ctx);
11319 {
11320 TCGv_i32 fp0 = tcg_temp_new_i32();
11321
11322 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESL);
11323 tcg_gen_trunc_tl_i32(fp0, t0);
11324 gen_store_fpr32(ctx, fp0, fd);
11325 tcg_temp_free_i32(fp0);
11326 }
11327 break;
11328 case OPC_LDXC1:
11329 check_cop1x(ctx);
11330 check_cp1_registers(ctx, fd);
11331 {
11332 TCGv_i64 fp0 = tcg_temp_new_i64();
11333 tcg_gen_qemu_ld_i64(fp0, t0, ctx->mem_idx, MO_TEQ);
11334 gen_store_fpr64(ctx, fp0, fd);
11335 tcg_temp_free_i64(fp0);
11336 }
11337 break;
11338 case OPC_LUXC1:
11339 check_cp1_64bitmode(ctx);
11340 tcg_gen_andi_tl(t0, t0, ~0x7);
11341 {
11342 TCGv_i64 fp0 = tcg_temp_new_i64();
11343
11344 tcg_gen_qemu_ld_i64(fp0, t0, ctx->mem_idx, MO_TEQ);
11345 gen_store_fpr64(ctx, fp0, fd);
11346 tcg_temp_free_i64(fp0);
11347 }
11348 break;
11349 case OPC_SWXC1:
11350 check_cop1x(ctx);
11351 {
11352 TCGv_i32 fp0 = tcg_temp_new_i32();
11353 gen_load_fpr32(ctx, fp0, fs);
11354 tcg_gen_qemu_st_i32(fp0, t0, ctx->mem_idx, MO_TEUL);
11355 tcg_temp_free_i32(fp0);
11356 }
11357 break;
11358 case OPC_SDXC1:
11359 check_cop1x(ctx);
11360 check_cp1_registers(ctx, fs);
11361 {
11362 TCGv_i64 fp0 = tcg_temp_new_i64();
11363 gen_load_fpr64(ctx, fp0, fs);
11364 tcg_gen_qemu_st_i64(fp0, t0, ctx->mem_idx, MO_TEQ);
11365 tcg_temp_free_i64(fp0);
11366 }
11367 break;
11368 case OPC_SUXC1:
11369 check_cp1_64bitmode(ctx);
11370 tcg_gen_andi_tl(t0, t0, ~0x7);
11371 {
11372 TCGv_i64 fp0 = tcg_temp_new_i64();
11373 gen_load_fpr64(ctx, fp0, fs);
11374 tcg_gen_qemu_st_i64(fp0, t0, ctx->mem_idx, MO_TEQ);
11375 tcg_temp_free_i64(fp0);
11376 }
11377 break;
11378 }
11379 tcg_temp_free(t0);
11380 }
11381
11382 static void gen_flt3_arith(DisasContext *ctx, uint32_t opc,
11383 int fd, int fr, int fs, int ft)
11384 {
11385 switch (opc) {
11386 case OPC_ALNV_PS:
11387 check_ps(ctx);
11388 {
11389 TCGv t0 = tcg_temp_local_new();
11390 TCGv_i32 fp = tcg_temp_new_i32();
11391 TCGv_i32 fph = tcg_temp_new_i32();
11392 TCGLabel *l1 = gen_new_label();
11393 TCGLabel *l2 = gen_new_label();
11394
11395 gen_load_gpr(t0, fr);
11396 tcg_gen_andi_tl(t0, t0, 0x7);
11397
11398 tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1);
11399 gen_load_fpr32(ctx, fp, fs);
11400 gen_load_fpr32h(ctx, fph, fs);
11401 gen_store_fpr32(ctx, fp, fd);
11402 gen_store_fpr32h(ctx, fph, fd);
11403 tcg_gen_br(l2);
11404 gen_set_label(l1);
11405 tcg_gen_brcondi_tl(TCG_COND_NE, t0, 4, l2);
11406 tcg_temp_free(t0);
11407 if (cpu_is_bigendian(ctx)) {
11408 gen_load_fpr32(ctx, fp, fs);
11409 gen_load_fpr32h(ctx, fph, ft);
11410 gen_store_fpr32h(ctx, fp, fd);
11411 gen_store_fpr32(ctx, fph, fd);
11412 } else {
11413 gen_load_fpr32h(ctx, fph, fs);
11414 gen_load_fpr32(ctx, fp, ft);
11415 gen_store_fpr32(ctx, fph, fd);
11416 gen_store_fpr32h(ctx, fp, fd);
11417 }
11418 gen_set_label(l2);
11419 tcg_temp_free_i32(fp);
11420 tcg_temp_free_i32(fph);
11421 }
11422 break;
11423 case OPC_MADD_S:
11424 check_cop1x(ctx);
11425 {
11426 TCGv_i32 fp0 = tcg_temp_new_i32();
11427 TCGv_i32 fp1 = tcg_temp_new_i32();
11428 TCGv_i32 fp2 = tcg_temp_new_i32();
11429
11430 gen_load_fpr32(ctx, fp0, fs);
11431 gen_load_fpr32(ctx, fp1, ft);
11432 gen_load_fpr32(ctx, fp2, fr);
11433 gen_helper_float_madd_s(fp2, cpu_env, fp0, fp1, fp2);
11434 tcg_temp_free_i32(fp0);
11435 tcg_temp_free_i32(fp1);
11436 gen_store_fpr32(ctx, fp2, fd);
11437 tcg_temp_free_i32(fp2);
11438 }
11439 break;
11440 case OPC_MADD_D:
11441 check_cop1x(ctx);
11442 check_cp1_registers(ctx, fd | fs | ft | fr);
11443 {
11444 TCGv_i64 fp0 = tcg_temp_new_i64();
11445 TCGv_i64 fp1 = tcg_temp_new_i64();
11446 TCGv_i64 fp2 = tcg_temp_new_i64();
11447
11448 gen_load_fpr64(ctx, fp0, fs);
11449 gen_load_fpr64(ctx, fp1, ft);
11450 gen_load_fpr64(ctx, fp2, fr);
11451 gen_helper_float_madd_d(fp2, cpu_env, fp0, fp1, fp2);
11452 tcg_temp_free_i64(fp0);
11453 tcg_temp_free_i64(fp1);
11454 gen_store_fpr64(ctx, fp2, fd);
11455 tcg_temp_free_i64(fp2);
11456 }
11457 break;
11458 case OPC_MADD_PS:
11459 check_ps(ctx);
11460 {
11461 TCGv_i64 fp0 = tcg_temp_new_i64();
11462 TCGv_i64 fp1 = tcg_temp_new_i64();
11463 TCGv_i64 fp2 = tcg_temp_new_i64();
11464
11465 gen_load_fpr64(ctx, fp0, fs);
11466 gen_load_fpr64(ctx, fp1, ft);
11467 gen_load_fpr64(ctx, fp2, fr);
11468 gen_helper_float_madd_ps(fp2, cpu_env, fp0, fp1, fp2);
11469 tcg_temp_free_i64(fp0);
11470 tcg_temp_free_i64(fp1);
11471 gen_store_fpr64(ctx, fp2, fd);
11472 tcg_temp_free_i64(fp2);
11473 }
11474 break;
11475 case OPC_MSUB_S:
11476 check_cop1x(ctx);
11477 {
11478 TCGv_i32 fp0 = tcg_temp_new_i32();
11479 TCGv_i32 fp1 = tcg_temp_new_i32();
11480 TCGv_i32 fp2 = tcg_temp_new_i32();
11481
11482 gen_load_fpr32(ctx, fp0, fs);
11483 gen_load_fpr32(ctx, fp1, ft);
11484 gen_load_fpr32(ctx, fp2, fr);
11485 gen_helper_float_msub_s(fp2, cpu_env, fp0, fp1, fp2);
11486 tcg_temp_free_i32(fp0);
11487 tcg_temp_free_i32(fp1);
11488 gen_store_fpr32(ctx, fp2, fd);
11489 tcg_temp_free_i32(fp2);
11490 }
11491 break;
11492 case OPC_MSUB_D:
11493 check_cop1x(ctx);
11494 check_cp1_registers(ctx, fd | fs | ft | fr);
11495 {
11496 TCGv_i64 fp0 = tcg_temp_new_i64();
11497 TCGv_i64 fp1 = tcg_temp_new_i64();
11498 TCGv_i64 fp2 = tcg_temp_new_i64();
11499
11500 gen_load_fpr64(ctx, fp0, fs);
11501 gen_load_fpr64(ctx, fp1, ft);
11502 gen_load_fpr64(ctx, fp2, fr);
11503 gen_helper_float_msub_d(fp2, cpu_env, fp0, fp1, fp2);
11504 tcg_temp_free_i64(fp0);
11505 tcg_temp_free_i64(fp1);
11506 gen_store_fpr64(ctx, fp2, fd);
11507 tcg_temp_free_i64(fp2);
11508 }
11509 break;
11510 case OPC_MSUB_PS:
11511 check_ps(ctx);
11512 {
11513 TCGv_i64 fp0 = tcg_temp_new_i64();
11514 TCGv_i64 fp1 = tcg_temp_new_i64();
11515 TCGv_i64 fp2 = tcg_temp_new_i64();
11516
11517 gen_load_fpr64(ctx, fp0, fs);
11518 gen_load_fpr64(ctx, fp1, ft);
11519 gen_load_fpr64(ctx, fp2, fr);
11520 gen_helper_float_msub_ps(fp2, cpu_env, fp0, fp1, fp2);
11521 tcg_temp_free_i64(fp0);
11522 tcg_temp_free_i64(fp1);
11523 gen_store_fpr64(ctx, fp2, fd);
11524 tcg_temp_free_i64(fp2);
11525 }
11526 break;
11527 case OPC_NMADD_S:
11528 check_cop1x(ctx);
11529 {
11530 TCGv_i32 fp0 = tcg_temp_new_i32();
11531 TCGv_i32 fp1 = tcg_temp_new_i32();
11532 TCGv_i32 fp2 = tcg_temp_new_i32();
11533
11534 gen_load_fpr32(ctx, fp0, fs);
11535 gen_load_fpr32(ctx, fp1, ft);
11536 gen_load_fpr32(ctx, fp2, fr);
11537 gen_helper_float_nmadd_s(fp2, cpu_env, fp0, fp1, fp2);
11538 tcg_temp_free_i32(fp0);
11539 tcg_temp_free_i32(fp1);
11540 gen_store_fpr32(ctx, fp2, fd);
11541 tcg_temp_free_i32(fp2);
11542 }
11543 break;
11544 case OPC_NMADD_D:
11545 check_cop1x(ctx);
11546 check_cp1_registers(ctx, fd | fs | ft | fr);
11547 {
11548 TCGv_i64 fp0 = tcg_temp_new_i64();
11549 TCGv_i64 fp1 = tcg_temp_new_i64();
11550 TCGv_i64 fp2 = tcg_temp_new_i64();
11551
11552 gen_load_fpr64(ctx, fp0, fs);
11553 gen_load_fpr64(ctx, fp1, ft);
11554 gen_load_fpr64(ctx, fp2, fr);
11555 gen_helper_float_nmadd_d(fp2, cpu_env, fp0, fp1, fp2);
11556 tcg_temp_free_i64(fp0);
11557 tcg_temp_free_i64(fp1);
11558 gen_store_fpr64(ctx, fp2, fd);
11559 tcg_temp_free_i64(fp2);
11560 }
11561 break;
11562 case OPC_NMADD_PS:
11563 check_ps(ctx);
11564 {
11565 TCGv_i64 fp0 = tcg_temp_new_i64();
11566 TCGv_i64 fp1 = tcg_temp_new_i64();
11567 TCGv_i64 fp2 = tcg_temp_new_i64();
11568
11569 gen_load_fpr64(ctx, fp0, fs);
11570 gen_load_fpr64(ctx, fp1, ft);
11571 gen_load_fpr64(ctx, fp2, fr);
11572 gen_helper_float_nmadd_ps(fp2, cpu_env, fp0, fp1, fp2);
11573 tcg_temp_free_i64(fp0);
11574 tcg_temp_free_i64(fp1);
11575 gen_store_fpr64(ctx, fp2, fd);
11576 tcg_temp_free_i64(fp2);
11577 }
11578 break;
11579 case OPC_NMSUB_S:
11580 check_cop1x(ctx);
11581 {
11582 TCGv_i32 fp0 = tcg_temp_new_i32();
11583 TCGv_i32 fp1 = tcg_temp_new_i32();
11584 TCGv_i32 fp2 = tcg_temp_new_i32();
11585
11586 gen_load_fpr32(ctx, fp0, fs);
11587 gen_load_fpr32(ctx, fp1, ft);
11588 gen_load_fpr32(ctx, fp2, fr);
11589 gen_helper_float_nmsub_s(fp2, cpu_env, fp0, fp1, fp2);
11590 tcg_temp_free_i32(fp0);
11591 tcg_temp_free_i32(fp1);
11592 gen_store_fpr32(ctx, fp2, fd);
11593 tcg_temp_free_i32(fp2);
11594 }
11595 break;
11596 case OPC_NMSUB_D:
11597 check_cop1x(ctx);
11598 check_cp1_registers(ctx, fd | fs | ft | fr);
11599 {
11600 TCGv_i64 fp0 = tcg_temp_new_i64();
11601 TCGv_i64 fp1 = tcg_temp_new_i64();
11602 TCGv_i64 fp2 = tcg_temp_new_i64();
11603
11604 gen_load_fpr64(ctx, fp0, fs);
11605 gen_load_fpr64(ctx, fp1, ft);
11606 gen_load_fpr64(ctx, fp2, fr);
11607 gen_helper_float_nmsub_d(fp2, cpu_env, fp0, fp1, fp2);
11608 tcg_temp_free_i64(fp0);
11609 tcg_temp_free_i64(fp1);
11610 gen_store_fpr64(ctx, fp2, fd);
11611 tcg_temp_free_i64(fp2);
11612 }
11613 break;
11614 case OPC_NMSUB_PS:
11615 check_ps(ctx);
11616 {
11617 TCGv_i64 fp0 = tcg_temp_new_i64();
11618 TCGv_i64 fp1 = tcg_temp_new_i64();
11619 TCGv_i64 fp2 = tcg_temp_new_i64();
11620
11621 gen_load_fpr64(ctx, fp0, fs);
11622 gen_load_fpr64(ctx, fp1, ft);
11623 gen_load_fpr64(ctx, fp2, fr);
11624 gen_helper_float_nmsub_ps(fp2, cpu_env, fp0, fp1, fp2);
11625 tcg_temp_free_i64(fp0);
11626 tcg_temp_free_i64(fp1);
11627 gen_store_fpr64(ctx, fp2, fd);
11628 tcg_temp_free_i64(fp2);
11629 }
11630 break;
11631 default:
11632 MIPS_INVAL("flt3_arith");
11633 gen_reserved_instruction(ctx);
11634 return;
11635 }
11636 }
11637
11638 void gen_rdhwr(DisasContext *ctx, int rt, int rd, int sel)
11639 {
11640 TCGv t0;
11641
11642 #if !defined(CONFIG_USER_ONLY)
11643 /*
11644 * The Linux kernel will emulate rdhwr if it's not supported natively.
11645 * Therefore only check the ISA in system mode.
11646 */
11647 check_insn(ctx, ISA_MIPS_R2);
11648 #endif
11649 t0 = tcg_temp_new();
11650
11651 switch (rd) {
11652 case 0:
11653 gen_helper_rdhwr_cpunum(t0, cpu_env);
11654 gen_store_gpr(t0, rt);
11655 break;
11656 case 1:
11657 gen_helper_rdhwr_synci_step(t0, cpu_env);
11658 gen_store_gpr(t0, rt);
11659 break;
11660 case 2:
11661 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
11662 gen_io_start();
11663 }
11664 gen_helper_rdhwr_cc(t0, cpu_env);
11665 gen_store_gpr(t0, rt);
11666 /*
11667 * Break the TB to be able to take timer interrupts immediately
11668 * after reading count. DISAS_STOP isn't sufficient, we need to ensure
11669 * we break completely out of translated code.
11670 */
11671 gen_save_pc(ctx->base.pc_next + 4);
11672 ctx->base.is_jmp = DISAS_EXIT;
11673 break;
11674 case 3:
11675 gen_helper_rdhwr_ccres(t0, cpu_env);
11676 gen_store_gpr(t0, rt);
11677 break;
11678 case 4:
11679 check_insn(ctx, ISA_MIPS_R6);
11680 if (sel != 0) {
11681 /*
11682 * Performance counter registers are not implemented other than
11683 * control register 0.
11684 */
11685 generate_exception(ctx, EXCP_RI);
11686 }
11687 gen_helper_rdhwr_performance(t0, cpu_env);
11688 gen_store_gpr(t0, rt);
11689 break;
11690 case 5:
11691 check_insn(ctx, ISA_MIPS_R6);
11692 gen_helper_rdhwr_xnp(t0, cpu_env);
11693 gen_store_gpr(t0, rt);
11694 break;
11695 case 29:
11696 #if defined(CONFIG_USER_ONLY)
11697 tcg_gen_ld_tl(t0, cpu_env,
11698 offsetof(CPUMIPSState, active_tc.CP0_UserLocal));
11699 gen_store_gpr(t0, rt);
11700 break;
11701 #else
11702 if ((ctx->hflags & MIPS_HFLAG_CP0) ||
11703 (ctx->hflags & MIPS_HFLAG_HWRENA_ULR)) {
11704 tcg_gen_ld_tl(t0, cpu_env,
11705 offsetof(CPUMIPSState, active_tc.CP0_UserLocal));
11706 gen_store_gpr(t0, rt);
11707 } else {
11708 gen_reserved_instruction(ctx);
11709 }
11710 break;
11711 #endif
11712 default: /* Invalid */
11713 MIPS_INVAL("rdhwr");
11714 gen_reserved_instruction(ctx);
11715 break;
11716 }
11717 tcg_temp_free(t0);
11718 }
11719
11720 static inline void clear_branch_hflags(DisasContext *ctx)
11721 {
11722 ctx->hflags &= ~MIPS_HFLAG_BMASK;
11723 if (ctx->base.is_jmp == DISAS_NEXT) {
11724 save_cpu_state(ctx, 0);
11725 } else {
11726 /*
11727 * It is not safe to save ctx->hflags as hflags may be changed
11728 * in execution time by the instruction in delay / forbidden slot.
11729 */
11730 tcg_gen_andi_i32(hflags, hflags, ~MIPS_HFLAG_BMASK);
11731 }
11732 }
11733
11734 static void gen_branch(DisasContext *ctx, int insn_bytes)
11735 {
11736 if (ctx->hflags & MIPS_HFLAG_BMASK) {
11737 int proc_hflags = ctx->hflags & MIPS_HFLAG_BMASK;
11738 /* Branches completion */
11739 clear_branch_hflags(ctx);
11740 ctx->base.is_jmp = DISAS_NORETURN;
11741 /* FIXME: Need to clear can_do_io. */
11742 switch (proc_hflags & MIPS_HFLAG_BMASK_BASE) {
11743 case MIPS_HFLAG_FBNSLOT:
11744 gen_goto_tb(ctx, 0, ctx->base.pc_next + insn_bytes);
11745 break;
11746 case MIPS_HFLAG_B:
11747 /* unconditional branch */
11748 if (proc_hflags & MIPS_HFLAG_BX) {
11749 tcg_gen_xori_i32(hflags, hflags, MIPS_HFLAG_M16);
11750 }
11751 gen_goto_tb(ctx, 0, ctx->btarget);
11752 break;
11753 case MIPS_HFLAG_BL:
11754 /* blikely taken case */
11755 gen_goto_tb(ctx, 0, ctx->btarget);
11756 break;
11757 case MIPS_HFLAG_BC:
11758 /* Conditional branch */
11759 {
11760 TCGLabel *l1 = gen_new_label();
11761
11762 tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1);
11763 gen_goto_tb(ctx, 1, ctx->base.pc_next + insn_bytes);
11764 gen_set_label(l1);
11765 gen_goto_tb(ctx, 0, ctx->btarget);
11766 }
11767 break;
11768 case MIPS_HFLAG_BR:
11769 /* unconditional branch to register */
11770 if (ctx->insn_flags & (ASE_MIPS16 | ASE_MICROMIPS)) {
11771 TCGv t0 = tcg_temp_new();
11772 TCGv_i32 t1 = tcg_temp_new_i32();
11773
11774 tcg_gen_andi_tl(t0, btarget, 0x1);
11775 tcg_gen_trunc_tl_i32(t1, t0);
11776 tcg_temp_free(t0);
11777 tcg_gen_andi_i32(hflags, hflags, ~(uint32_t)MIPS_HFLAG_M16);
11778 tcg_gen_shli_i32(t1, t1, MIPS_HFLAG_M16_SHIFT);
11779 tcg_gen_or_i32(hflags, hflags, t1);
11780 tcg_temp_free_i32(t1);
11781
11782 tcg_gen_andi_tl(cpu_PC, btarget, ~(target_ulong)0x1);
11783 } else {
11784 tcg_gen_mov_tl(cpu_PC, btarget);
11785 }
11786 tcg_gen_lookup_and_goto_ptr();
11787 break;
11788 default:
11789 LOG_DISAS("unknown branch 0x%x\n", proc_hflags);
11790 gen_reserved_instruction(ctx);
11791 }
11792 }
11793 }
11794
11795 /* Compact Branches */
11796 static void gen_compute_compact_branch(DisasContext *ctx, uint32_t opc,
11797 int rs, int rt, int32_t offset)
11798 {
11799 int bcond_compute = 0;
11800 TCGv t0 = tcg_temp_new();
11801 TCGv t1 = tcg_temp_new();
11802 int m16_lowbit = (ctx->hflags & MIPS_HFLAG_M16) != 0;
11803
11804 if (ctx->hflags & MIPS_HFLAG_BMASK) {
11805 #ifdef MIPS_DEBUG_DISAS
11806 LOG_DISAS("Branch in delay / forbidden slot at PC 0x" TARGET_FMT_lx
11807 "\n", ctx->base.pc_next);
11808 #endif
11809 gen_reserved_instruction(ctx);
11810 goto out;
11811 }
11812
11813 /* Load needed operands and calculate btarget */
11814 switch (opc) {
11815 /* compact branch */
11816 case OPC_BOVC: /* OPC_BEQZALC, OPC_BEQC */
11817 case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC */
11818 gen_load_gpr(t0, rs);
11819 gen_load_gpr(t1, rt);
11820 bcond_compute = 1;
11821 ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset);
11822 if (rs <= rt && rs == 0) {
11823 /* OPC_BEQZALC, OPC_BNEZALC */
11824 tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 4 + m16_lowbit);
11825 }
11826 break;
11827 case OPC_BLEZC: /* OPC_BGEZC, OPC_BGEC */
11828 case OPC_BGTZC: /* OPC_BLTZC, OPC_BLTC */
11829 gen_load_gpr(t0, rs);
11830 gen_load_gpr(t1, rt);
11831 bcond_compute = 1;
11832 ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset);
11833 break;
11834 case OPC_BLEZALC: /* OPC_BGEZALC, OPC_BGEUC */
11835 case OPC_BGTZALC: /* OPC_BLTZALC, OPC_BLTUC */
11836 if (rs == 0 || rs == rt) {
11837 /* OPC_BLEZALC, OPC_BGEZALC */
11838 /* OPC_BGTZALC, OPC_BLTZALC */
11839 tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 4 + m16_lowbit);
11840 }
11841 gen_load_gpr(t0, rs);
11842 gen_load_gpr(t1, rt);
11843 bcond_compute = 1;
11844 ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset);
11845 break;
11846 case OPC_BC:
11847 case OPC_BALC:
11848 ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset);
11849 break;
11850 case OPC_BEQZC:
11851 case OPC_BNEZC:
11852 if (rs != 0) {
11853 /* OPC_BEQZC, OPC_BNEZC */
11854 gen_load_gpr(t0, rs);
11855 bcond_compute = 1;
11856 ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset);
11857 } else {
11858 /* OPC_JIC, OPC_JIALC */
11859 TCGv tbase = tcg_temp_new();
11860 TCGv toffset = tcg_constant_tl(offset);
11861
11862 gen_load_gpr(tbase, rt);
11863 gen_op_addr_add(ctx, btarget, tbase, toffset);
11864 tcg_temp_free(tbase);
11865 }
11866 break;
11867 default:
11868 MIPS_INVAL("Compact branch/jump");
11869 gen_reserved_instruction(ctx);
11870 goto out;
11871 }
11872
11873 if (bcond_compute == 0) {
11874 /* Unconditional compact branch */
11875 switch (opc) {
11876 case OPC_JIALC:
11877 tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 4 + m16_lowbit);
11878 /* Fallthrough */
11879 case OPC_JIC:
11880 ctx->hflags |= MIPS_HFLAG_BR;
11881 break;
11882 case OPC_BALC:
11883 tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 4 + m16_lowbit);
11884 /* Fallthrough */
11885 case OPC_BC:
11886 ctx->hflags |= MIPS_HFLAG_B;
11887 break;
11888 default:
11889 MIPS_INVAL("Compact branch/jump");
11890 gen_reserved_instruction(ctx);
11891 goto out;
11892 }
11893
11894 /* Generating branch here as compact branches don't have delay slot */
11895 gen_branch(ctx, 4);
11896 } else {
11897 /* Conditional compact branch */
11898 TCGLabel *fs = gen_new_label();
11899 save_cpu_state(ctx, 0);
11900
11901 switch (opc) {
11902 case OPC_BLEZALC: /* OPC_BGEZALC, OPC_BGEUC */
11903 if (rs == 0 && rt != 0) {
11904 /* OPC_BLEZALC */
11905 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LE), t1, 0, fs);
11906 } else if (rs != 0 && rt != 0 && rs == rt) {
11907 /* OPC_BGEZALC */
11908 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GE), t1, 0, fs);
11909 } else {
11910 /* OPC_BGEUC */
11911 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_GEU), t0, t1, fs);
11912 }
11913 break;
11914 case OPC_BGTZALC: /* OPC_BLTZALC, OPC_BLTUC */
11915 if (rs == 0 && rt != 0) {
11916 /* OPC_BGTZALC */
11917 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GT), t1, 0, fs);
11918 } else if (rs != 0 && rt != 0 && rs == rt) {
11919 /* OPC_BLTZALC */
11920 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LT), t1, 0, fs);
11921 } else {
11922 /* OPC_BLTUC */
11923 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_LTU), t0, t1, fs);
11924 }
11925 break;
11926 case OPC_BLEZC: /* OPC_BGEZC, OPC_BGEC */
11927 if (rs == 0 && rt != 0) {
11928 /* OPC_BLEZC */
11929 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LE), t1, 0, fs);
11930 } else if (rs != 0 && rt != 0 && rs == rt) {
11931 /* OPC_BGEZC */
11932 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GE), t1, 0, fs);
11933 } else {
11934 /* OPC_BGEC */
11935 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_GE), t0, t1, fs);
11936 }
11937 break;
11938 case OPC_BGTZC: /* OPC_BLTZC, OPC_BLTC */
11939 if (rs == 0 && rt != 0) {
11940 /* OPC_BGTZC */
11941 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GT), t1, 0, fs);
11942 } else if (rs != 0 && rt != 0 && rs == rt) {
11943 /* OPC_BLTZC */
11944 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LT), t1, 0, fs);
11945 } else {
11946 /* OPC_BLTC */
11947 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_LT), t0, t1, fs);
11948 }
11949 break;
11950 case OPC_BOVC: /* OPC_BEQZALC, OPC_BEQC */
11951 case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC */
11952 if (rs >= rt) {
11953 /* OPC_BOVC, OPC_BNVC */
11954 TCGv t2 = tcg_temp_new();
11955 TCGv t3 = tcg_temp_new();
11956 TCGv t4 = tcg_temp_new();
11957 TCGv input_overflow = tcg_temp_new();
11958
11959 gen_load_gpr(t0, rs);
11960 gen_load_gpr(t1, rt);
11961 tcg_gen_ext32s_tl(t2, t0);
11962 tcg_gen_setcond_tl(TCG_COND_NE, input_overflow, t2, t0);
11963 tcg_gen_ext32s_tl(t3, t1);
11964 tcg_gen_setcond_tl(TCG_COND_NE, t4, t3, t1);
11965 tcg_gen_or_tl(input_overflow, input_overflow, t4);
11966
11967 tcg_gen_add_tl(t4, t2, t3);
11968 tcg_gen_ext32s_tl(t4, t4);
11969 tcg_gen_xor_tl(t2, t2, t3);
11970 tcg_gen_xor_tl(t3, t4, t3);
11971 tcg_gen_andc_tl(t2, t3, t2);
11972 tcg_gen_setcondi_tl(TCG_COND_LT, t4, t2, 0);
11973 tcg_gen_or_tl(t4, t4, input_overflow);
11974 if (opc == OPC_BOVC) {
11975 /* OPC_BOVC */
11976 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_NE), t4, 0, fs);
11977 } else {
11978 /* OPC_BNVC */
11979 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_EQ), t4, 0, fs);
11980 }
11981 tcg_temp_free(input_overflow);
11982 tcg_temp_free(t4);
11983 tcg_temp_free(t3);
11984 tcg_temp_free(t2);
11985 } else if (rs < rt && rs == 0) {
11986 /* OPC_BEQZALC, OPC_BNEZALC */
11987 if (opc == OPC_BEQZALC) {
11988 /* OPC_BEQZALC */
11989 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_EQ), t1, 0, fs);
11990 } else {
11991 /* OPC_BNEZALC */
11992 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_NE), t1, 0, fs);
11993 }
11994 } else {
11995 /* OPC_BEQC, OPC_BNEC */
11996 if (opc == OPC_BEQC) {
11997 /* OPC_BEQC */
11998 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_EQ), t0, t1, fs);
11999 } else {
12000 /* OPC_BNEC */
12001 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_NE), t0, t1, fs);
12002 }
12003 }
12004 break;
12005 case OPC_BEQZC:
12006 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_EQ), t0, 0, fs);
12007 break;
12008 case OPC_BNEZC:
12009 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_NE), t0, 0, fs);
12010 break;
12011 default:
12012 MIPS_INVAL("Compact conditional branch/jump");
12013 gen_reserved_instruction(ctx);
12014 goto out;
12015 }
12016
12017 /* Generating branch here as compact branches don't have delay slot */
12018 gen_goto_tb(ctx, 1, ctx->btarget);
12019 gen_set_label(fs);
12020
12021 ctx->hflags |= MIPS_HFLAG_FBNSLOT;
12022 }
12023
12024 out:
12025 tcg_temp_free(t0);
12026 tcg_temp_free(t1);
12027 }
12028
12029 void gen_addiupc(DisasContext *ctx, int rx, int imm,
12030 int is_64_bit, int extended)
12031 {
12032 TCGv t0;
12033
12034 if (extended && (ctx->hflags & MIPS_HFLAG_BMASK)) {
12035 gen_reserved_instruction(ctx);
12036 return;
12037 }
12038
12039 t0 = tcg_temp_new();
12040
12041 tcg_gen_movi_tl(t0, pc_relative_pc(ctx));
12042 tcg_gen_addi_tl(cpu_gpr[rx], t0, imm);
12043 if (!is_64_bit) {
12044 tcg_gen_ext32s_tl(cpu_gpr[rx], cpu_gpr[rx]);
12045 }
12046
12047 tcg_temp_free(t0);
12048 }
12049
12050 static void gen_cache_operation(DisasContext *ctx, uint32_t op, int base,
12051 int16_t offset)
12052 {
12053 TCGv_i32 t0 = tcg_const_i32(op);
12054 TCGv t1 = tcg_temp_new();
12055 gen_base_offset_addr(ctx, t1, base, offset);
12056 gen_helper_cache(cpu_env, t1, t0);
12057 tcg_temp_free(t1);
12058 tcg_temp_free_i32(t0);
12059 }
12060
12061 static inline bool is_uhi(int sdbbp_code)
12062 {
12063 #ifdef CONFIG_USER_ONLY
12064 return false;
12065 #else
12066 return semihosting_enabled() && sdbbp_code == 1;
12067 #endif
12068 }
12069
12070 #ifdef CONFIG_USER_ONLY
12071 /* The above should dead-code away any calls to this..*/
12072 static inline void gen_helper_do_semihosting(void *env)
12073 {
12074 g_assert_not_reached();
12075 }
12076 #endif
12077
12078 void gen_ldxs(DisasContext *ctx, int base, int index, int rd)
12079 {
12080 TCGv t0 = tcg_temp_new();
12081 TCGv t1 = tcg_temp_new();
12082
12083 gen_load_gpr(t0, base);
12084
12085 if (index != 0) {
12086 gen_load_gpr(t1, index);
12087 tcg_gen_shli_tl(t1, t1, 2);
12088 gen_op_addr_add(ctx, t0, t1, t0);
12089 }
12090
12091 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TESL);
12092 gen_store_gpr(t1, rd);
12093
12094 tcg_temp_free(t0);
12095 tcg_temp_free(t1);
12096 }
12097
12098 static void gen_sync(int stype)
12099 {
12100 TCGBar tcg_mo = TCG_BAR_SC;
12101
12102 switch (stype) {
12103 case 0x4: /* SYNC_WMB */
12104 tcg_mo |= TCG_MO_ST_ST;
12105 break;
12106 case 0x10: /* SYNC_MB */
12107 tcg_mo |= TCG_MO_ALL;
12108 break;
12109 case 0x11: /* SYNC_ACQUIRE */
12110 tcg_mo |= TCG_MO_LD_LD | TCG_MO_LD_ST;
12111 break;
12112 case 0x12: /* SYNC_RELEASE */
12113 tcg_mo |= TCG_MO_ST_ST | TCG_MO_LD_ST;
12114 break;
12115 case 0x13: /* SYNC_RMB */
12116 tcg_mo |= TCG_MO_LD_LD;
12117 break;
12118 default:
12119 tcg_mo |= TCG_MO_ALL;
12120 break;
12121 }
12122
12123 tcg_gen_mb(tcg_mo);
12124 }
12125
12126 /* ISA extensions (ASEs) */
12127
12128 /* MIPS16 extension to MIPS32 */
12129 #include "mips16e_translate.c.inc"
12130
12131 /* microMIPS extension to MIPS32/MIPS64 */
12132
12133 /*
12134 * Values for microMIPS fmt field. Variable-width, depending on which
12135 * formats the instruction supports.
12136 */
12137 enum {
12138 FMT_SD_S = 0,
12139 FMT_SD_D = 1,
12140
12141 FMT_SDPS_S = 0,
12142 FMT_SDPS_D = 1,
12143 FMT_SDPS_PS = 2,
12144
12145 FMT_SWL_S = 0,
12146 FMT_SWL_W = 1,
12147 FMT_SWL_L = 2,
12148
12149 FMT_DWL_D = 0,
12150 FMT_DWL_W = 1,
12151 FMT_DWL_L = 2
12152 };
12153
12154 #include "micromips_translate.c.inc"
12155
12156 #include "nanomips_translate.c.inc"
12157
12158 /* MIPSDSP functions. */
12159 static void gen_mipsdsp_ld(DisasContext *ctx, uint32_t opc,
12160 int rd, int base, int offset)
12161 {
12162 TCGv t0;
12163
12164 check_dsp(ctx);
12165 t0 = tcg_temp_new();
12166
12167 if (base == 0) {
12168 gen_load_gpr(t0, offset);
12169 } else if (offset == 0) {
12170 gen_load_gpr(t0, base);
12171 } else {
12172 gen_op_addr_add(ctx, t0, cpu_gpr[base], cpu_gpr[offset]);
12173 }
12174
12175 switch (opc) {
12176 case OPC_LBUX:
12177 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_UB);
12178 gen_store_gpr(t0, rd);
12179 break;
12180 case OPC_LHX:
12181 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESW);
12182 gen_store_gpr(t0, rd);
12183 break;
12184 case OPC_LWX:
12185 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESL);
12186 gen_store_gpr(t0, rd);
12187 break;
12188 #if defined(TARGET_MIPS64)
12189 case OPC_LDX:
12190 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ);
12191 gen_store_gpr(t0, rd);
12192 break;
12193 #endif
12194 }
12195 tcg_temp_free(t0);
12196 }
12197
12198 static void gen_mipsdsp_arith(DisasContext *ctx, uint32_t op1, uint32_t op2,
12199 int ret, int v1, int v2)
12200 {
12201 TCGv v1_t;
12202 TCGv v2_t;
12203
12204 if (ret == 0) {
12205 /* Treat as NOP. */
12206 return;
12207 }
12208
12209 v1_t = tcg_temp_new();
12210 v2_t = tcg_temp_new();
12211
12212 gen_load_gpr(v1_t, v1);
12213 gen_load_gpr(v2_t, v2);
12214
12215 switch (op1) {
12216 /* OPC_MULT_G_2E is equal OPC_ADDUH_QB_DSP */
12217 case OPC_MULT_G_2E:
12218 check_dsp_r2(ctx);
12219 switch (op2) {
12220 case OPC_ADDUH_QB:
12221 gen_helper_adduh_qb(cpu_gpr[ret], v1_t, v2_t);
12222 break;
12223 case OPC_ADDUH_R_QB:
12224 gen_helper_adduh_r_qb(cpu_gpr[ret], v1_t, v2_t);
12225 break;
12226 case OPC_ADDQH_PH:
12227 gen_helper_addqh_ph(cpu_gpr[ret], v1_t, v2_t);
12228 break;
12229 case OPC_ADDQH_R_PH:
12230 gen_helper_addqh_r_ph(cpu_gpr[ret], v1_t, v2_t);
12231 break;
12232 case OPC_ADDQH_W:
12233 gen_helper_addqh_w(cpu_gpr[ret], v1_t, v2_t);
12234 break;
12235 case OPC_ADDQH_R_W:
12236 gen_helper_addqh_r_w(cpu_gpr[ret], v1_t, v2_t);
12237 break;
12238 case OPC_SUBUH_QB:
12239 gen_helper_subuh_qb(cpu_gpr[ret], v1_t, v2_t);
12240 break;
12241 case OPC_SUBUH_R_QB:
12242 gen_helper_subuh_r_qb(cpu_gpr[ret], v1_t, v2_t);
12243 break;
12244 case OPC_SUBQH_PH:
12245 gen_helper_subqh_ph(cpu_gpr[ret], v1_t, v2_t);
12246 break;
12247 case OPC_SUBQH_R_PH:
12248 gen_helper_subqh_r_ph(cpu_gpr[ret], v1_t, v2_t);
12249 break;
12250 case OPC_SUBQH_W:
12251 gen_helper_subqh_w(cpu_gpr[ret], v1_t, v2_t);
12252 break;
12253 case OPC_SUBQH_R_W:
12254 gen_helper_subqh_r_w(cpu_gpr[ret], v1_t, v2_t);
12255 break;
12256 }
12257 break;
12258 case OPC_ABSQ_S_PH_DSP:
12259 switch (op2) {
12260 case OPC_ABSQ_S_QB:
12261 check_dsp_r2(ctx);
12262 gen_helper_absq_s_qb(cpu_gpr[ret], v2_t, cpu_env);
12263 break;
12264 case OPC_ABSQ_S_PH:
12265 check_dsp(ctx);
12266 gen_helper_absq_s_ph(cpu_gpr[ret], v2_t, cpu_env);
12267 break;
12268 case OPC_ABSQ_S_W:
12269 check_dsp(ctx);
12270 gen_helper_absq_s_w(cpu_gpr[ret], v2_t, cpu_env);
12271 break;
12272 case OPC_PRECEQ_W_PHL:
12273 check_dsp(ctx);
12274 tcg_gen_andi_tl(cpu_gpr[ret], v2_t, 0xFFFF0000);
12275 tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]);
12276 break;
12277 case OPC_PRECEQ_W_PHR:
12278 check_dsp(ctx);
12279 tcg_gen_andi_tl(cpu_gpr[ret], v2_t, 0x0000FFFF);
12280 tcg_gen_shli_tl(cpu_gpr[ret], cpu_gpr[ret], 16);
12281 tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]);
12282 break;
12283 case OPC_PRECEQU_PH_QBL:
12284 check_dsp(ctx);
12285 gen_helper_precequ_ph_qbl(cpu_gpr[ret], v2_t);
12286 break;
12287 case OPC_PRECEQU_PH_QBR:
12288 check_dsp(ctx);
12289 gen_helper_precequ_ph_qbr(cpu_gpr[ret], v2_t);
12290 break;
12291 case OPC_PRECEQU_PH_QBLA:
12292 check_dsp(ctx);
12293 gen_helper_precequ_ph_qbla(cpu_gpr[ret], v2_t);
12294 break;
12295 case OPC_PRECEQU_PH_QBRA:
12296 check_dsp(ctx);
12297 gen_helper_precequ_ph_qbra(cpu_gpr[ret], v2_t);
12298 break;
12299 case OPC_PRECEU_PH_QBL:
12300 check_dsp(ctx);
12301 gen_helper_preceu_ph_qbl(cpu_gpr[ret], v2_t);
12302 break;
12303 case OPC_PRECEU_PH_QBR:
12304 check_dsp(ctx);
12305 gen_helper_preceu_ph_qbr(cpu_gpr[ret], v2_t);
12306 break;
12307 case OPC_PRECEU_PH_QBLA:
12308 check_dsp(ctx);
12309 gen_helper_preceu_ph_qbla(cpu_gpr[ret], v2_t);
12310 break;
12311 case OPC_PRECEU_PH_QBRA:
12312 check_dsp(ctx);
12313 gen_helper_preceu_ph_qbra(cpu_gpr[ret], v2_t);
12314 break;
12315 }
12316 break;
12317 case OPC_ADDU_QB_DSP:
12318 switch (op2) {
12319 case OPC_ADDQ_PH:
12320 check_dsp(ctx);
12321 gen_helper_addq_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12322 break;
12323 case OPC_ADDQ_S_PH:
12324 check_dsp(ctx);
12325 gen_helper_addq_s_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12326 break;
12327 case OPC_ADDQ_S_W:
12328 check_dsp(ctx);
12329 gen_helper_addq_s_w(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12330 break;
12331 case OPC_ADDU_QB:
12332 check_dsp(ctx);
12333 gen_helper_addu_qb(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12334 break;
12335 case OPC_ADDU_S_QB:
12336 check_dsp(ctx);
12337 gen_helper_addu_s_qb(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12338 break;
12339 case OPC_ADDU_PH:
12340 check_dsp_r2(ctx);
12341 gen_helper_addu_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12342 break;
12343 case OPC_ADDU_S_PH:
12344 check_dsp_r2(ctx);
12345 gen_helper_addu_s_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12346 break;
12347 case OPC_SUBQ_PH:
12348 check_dsp(ctx);
12349 gen_helper_subq_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12350 break;
12351 case OPC_SUBQ_S_PH:
12352 check_dsp(ctx);
12353 gen_helper_subq_s_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12354 break;
12355 case OPC_SUBQ_S_W:
12356 check_dsp(ctx);
12357 gen_helper_subq_s_w(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12358 break;
12359 case OPC_SUBU_QB:
12360 check_dsp(ctx);
12361 gen_helper_subu_qb(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12362 break;
12363 case OPC_SUBU_S_QB:
12364 check_dsp(ctx);
12365 gen_helper_subu_s_qb(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12366 break;
12367 case OPC_SUBU_PH:
12368 check_dsp_r2(ctx);
12369 gen_helper_subu_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12370 break;
12371 case OPC_SUBU_S_PH:
12372 check_dsp_r2(ctx);
12373 gen_helper_subu_s_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12374 break;
12375 case OPC_ADDSC:
12376 check_dsp(ctx);
12377 gen_helper_addsc(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12378 break;
12379 case OPC_ADDWC:
12380 check_dsp(ctx);
12381 gen_helper_addwc(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12382 break;
12383 case OPC_MODSUB:
12384 check_dsp(ctx);
12385 gen_helper_modsub(cpu_gpr[ret], v1_t, v2_t);
12386 break;
12387 case OPC_RADDU_W_QB:
12388 check_dsp(ctx);
12389 gen_helper_raddu_w_qb(cpu_gpr[ret], v1_t);
12390 break;
12391 }
12392 break;
12393 case OPC_CMPU_EQ_QB_DSP:
12394 switch (op2) {
12395 case OPC_PRECR_QB_PH:
12396 check_dsp_r2(ctx);
12397 gen_helper_precr_qb_ph(cpu_gpr[ret], v1_t, v2_t);
12398 break;
12399 case OPC_PRECRQ_QB_PH:
12400 check_dsp(ctx);
12401 gen_helper_precrq_qb_ph(cpu_gpr[ret], v1_t, v2_t);
12402 break;
12403 case OPC_PRECR_SRA_PH_W:
12404 check_dsp_r2(ctx);
12405 {
12406 TCGv_i32 sa_t = tcg_const_i32(v2);
12407 gen_helper_precr_sra_ph_w(cpu_gpr[ret], sa_t, v1_t,
12408 cpu_gpr[ret]);
12409 tcg_temp_free_i32(sa_t);
12410 break;
12411 }
12412 case OPC_PRECR_SRA_R_PH_W:
12413 check_dsp_r2(ctx);
12414 {
12415 TCGv_i32 sa_t = tcg_const_i32(v2);
12416 gen_helper_precr_sra_r_ph_w(cpu_gpr[ret], sa_t, v1_t,
12417 cpu_gpr[ret]);
12418 tcg_temp_free_i32(sa_t);
12419 break;
12420 }
12421 case OPC_PRECRQ_PH_W:
12422 check_dsp(ctx);
12423 gen_helper_precrq_ph_w(cpu_gpr[ret], v1_t, v2_t);
12424 break;
12425 case OPC_PRECRQ_RS_PH_W:
12426 check_dsp(ctx);
12427 gen_helper_precrq_rs_ph_w(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12428 break;
12429 case OPC_PRECRQU_S_QB_PH:
12430 check_dsp(ctx);
12431 gen_helper_precrqu_s_qb_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12432 break;
12433 }
12434 break;
12435 #ifdef TARGET_MIPS64
12436 case OPC_ABSQ_S_QH_DSP:
12437 switch (op2) {
12438 case OPC_PRECEQ_L_PWL:
12439 check_dsp(ctx);
12440 tcg_gen_andi_tl(cpu_gpr[ret], v2_t, 0xFFFFFFFF00000000ull);
12441 break;
12442 case OPC_PRECEQ_L_PWR:
12443 check_dsp(ctx);
12444 tcg_gen_shli_tl(cpu_gpr[ret], v2_t, 32);
12445 break;
12446 case OPC_PRECEQ_PW_QHL:
12447 check_dsp(ctx);
12448 gen_helper_preceq_pw_qhl(cpu_gpr[ret], v2_t);
12449 break;
12450 case OPC_PRECEQ_PW_QHR:
12451 check_dsp(ctx);
12452 gen_helper_preceq_pw_qhr(cpu_gpr[ret], v2_t);
12453 break;
12454 case OPC_PRECEQ_PW_QHLA:
12455 check_dsp(ctx);
12456 gen_helper_preceq_pw_qhla(cpu_gpr[ret], v2_t);
12457 break;
12458 case OPC_PRECEQ_PW_QHRA:
12459 check_dsp(ctx);
12460 gen_helper_preceq_pw_qhra(cpu_gpr[ret], v2_t);
12461 break;
12462 case OPC_PRECEQU_QH_OBL:
12463 check_dsp(ctx);
12464 gen_helper_precequ_qh_obl(cpu_gpr[ret], v2_t);
12465 break;
12466 case OPC_PRECEQU_QH_OBR:
12467 check_dsp(ctx);
12468 gen_helper_precequ_qh_obr(cpu_gpr[ret], v2_t);
12469 break;
12470 case OPC_PRECEQU_QH_OBLA:
12471 check_dsp(ctx);
12472 gen_helper_precequ_qh_obla(cpu_gpr[ret], v2_t);
12473 break;
12474 case OPC_PRECEQU_QH_OBRA:
12475 check_dsp(ctx);
12476 gen_helper_precequ_qh_obra(cpu_gpr[ret], v2_t);
12477 break;
12478 case OPC_PRECEU_QH_OBL:
12479 check_dsp(ctx);
12480 gen_helper_preceu_qh_obl(cpu_gpr[ret], v2_t);
12481 break;
12482 case OPC_PRECEU_QH_OBR:
12483 check_dsp(ctx);
12484 gen_helper_preceu_qh_obr(cpu_gpr[ret], v2_t);
12485 break;
12486 case OPC_PRECEU_QH_OBLA:
12487 check_dsp(ctx);
12488 gen_helper_preceu_qh_obla(cpu_gpr[ret], v2_t);
12489 break;
12490 case OPC_PRECEU_QH_OBRA:
12491 check_dsp(ctx);
12492 gen_helper_preceu_qh_obra(cpu_gpr[ret], v2_t);
12493 break;
12494 case OPC_ABSQ_S_OB:
12495 check_dsp_r2(ctx);
12496 gen_helper_absq_s_ob(cpu_gpr[ret], v2_t, cpu_env);
12497 break;
12498 case OPC_ABSQ_S_PW:
12499 check_dsp(ctx);
12500 gen_helper_absq_s_pw(cpu_gpr[ret], v2_t, cpu_env);
12501 break;
12502 case OPC_ABSQ_S_QH:
12503 check_dsp(ctx);
12504 gen_helper_absq_s_qh(cpu_gpr[ret], v2_t, cpu_env);
12505 break;
12506 }
12507 break;
12508 case OPC_ADDU_OB_DSP:
12509 switch (op2) {
12510 case OPC_RADDU_L_OB:
12511 check_dsp(ctx);
12512 gen_helper_raddu_l_ob(cpu_gpr[ret], v1_t);
12513 break;
12514 case OPC_SUBQ_PW:
12515 check_dsp(ctx);
12516 gen_helper_subq_pw(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12517 break;
12518 case OPC_SUBQ_S_PW:
12519 check_dsp(ctx);
12520 gen_helper_subq_s_pw(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12521 break;
12522 case OPC_SUBQ_QH:
12523 check_dsp(ctx);
12524 gen_helper_subq_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12525 break;
12526 case OPC_SUBQ_S_QH:
12527 check_dsp(ctx);
12528 gen_helper_subq_s_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12529 break;
12530 case OPC_SUBU_OB:
12531 check_dsp(ctx);
12532 gen_helper_subu_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12533 break;
12534 case OPC_SUBU_S_OB:
12535 check_dsp(ctx);
12536 gen_helper_subu_s_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12537 break;
12538 case OPC_SUBU_QH:
12539 check_dsp_r2(ctx);
12540 gen_helper_subu_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12541 break;
12542 case OPC_SUBU_S_QH:
12543 check_dsp_r2(ctx);
12544 gen_helper_subu_s_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12545 break;
12546 case OPC_SUBUH_OB:
12547 check_dsp_r2(ctx);
12548 gen_helper_subuh_ob(cpu_gpr[ret], v1_t, v2_t);
12549 break;
12550 case OPC_SUBUH_R_OB:
12551 check_dsp_r2(ctx);
12552 gen_helper_subuh_r_ob(cpu_gpr[ret], v1_t, v2_t);
12553 break;
12554 case OPC_ADDQ_PW:
12555 check_dsp(ctx);
12556 gen_helper_addq_pw(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12557 break;
12558 case OPC_ADDQ_S_PW:
12559 check_dsp(ctx);
12560 gen_helper_addq_s_pw(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12561 break;
12562 case OPC_ADDQ_QH:
12563 check_dsp(ctx);
12564 gen_helper_addq_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12565 break;
12566 case OPC_ADDQ_S_QH:
12567 check_dsp(ctx);
12568 gen_helper_addq_s_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12569 break;
12570 case OPC_ADDU_OB:
12571 check_dsp(ctx);
12572 gen_helper_addu_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12573 break;
12574 case OPC_ADDU_S_OB:
12575 check_dsp(ctx);
12576 gen_helper_addu_s_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12577 break;
12578 case OPC_ADDU_QH:
12579 check_dsp_r2(ctx);
12580 gen_helper_addu_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12581 break;
12582 case OPC_ADDU_S_QH:
12583 check_dsp_r2(ctx);
12584 gen_helper_addu_s_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12585 break;
12586 case OPC_ADDUH_OB:
12587 check_dsp_r2(ctx);
12588 gen_helper_adduh_ob(cpu_gpr[ret], v1_t, v2_t);
12589 break;
12590 case OPC_ADDUH_R_OB:
12591 check_dsp_r2(ctx);
12592 gen_helper_adduh_r_ob(cpu_gpr[ret], v1_t, v2_t);
12593 break;
12594 }
12595 break;
12596 case OPC_CMPU_EQ_OB_DSP:
12597 switch (op2) {
12598 case OPC_PRECR_OB_QH:
12599 check_dsp_r2(ctx);
12600 gen_helper_precr_ob_qh(cpu_gpr[ret], v1_t, v2_t);
12601 break;
12602 case OPC_PRECR_SRA_QH_PW:
12603 check_dsp_r2(ctx);
12604 {
12605 TCGv_i32 ret_t = tcg_const_i32(ret);
12606 gen_helper_precr_sra_qh_pw(v2_t, v1_t, v2_t, ret_t);
12607 tcg_temp_free_i32(ret_t);
12608 break;
12609 }
12610 case OPC_PRECR_SRA_R_QH_PW:
12611 check_dsp_r2(ctx);
12612 {
12613 TCGv_i32 sa_v = tcg_const_i32(ret);
12614 gen_helper_precr_sra_r_qh_pw(v2_t, v1_t, v2_t, sa_v);
12615 tcg_temp_free_i32(sa_v);
12616 break;
12617 }
12618 case OPC_PRECRQ_OB_QH:
12619 check_dsp(ctx);
12620 gen_helper_precrq_ob_qh(cpu_gpr[ret], v1_t, v2_t);
12621 break;
12622 case OPC_PRECRQ_PW_L:
12623 check_dsp(ctx);
12624 gen_helper_precrq_pw_l(cpu_gpr[ret], v1_t, v2_t);
12625 break;
12626 case OPC_PRECRQ_QH_PW:
12627 check_dsp(ctx);
12628 gen_helper_precrq_qh_pw(cpu_gpr[ret], v1_t, v2_t);
12629 break;
12630 case OPC_PRECRQ_RS_QH_PW:
12631 check_dsp(ctx);
12632 gen_helper_precrq_rs_qh_pw(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12633 break;
12634 case OPC_PRECRQU_S_OB_QH:
12635 check_dsp(ctx);
12636 gen_helper_precrqu_s_ob_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12637 break;
12638 }
12639 break;
12640 #endif
12641 }
12642
12643 tcg_temp_free(v1_t);
12644 tcg_temp_free(v2_t);
12645 }
12646
12647 static void gen_mipsdsp_shift(DisasContext *ctx, uint32_t opc,
12648 int ret, int v1, int v2)
12649 {
12650 uint32_t op2;
12651 TCGv t0;
12652 TCGv v1_t;
12653 TCGv v2_t;
12654
12655 if (ret == 0) {
12656 /* Treat as NOP. */
12657 return;
12658 }
12659
12660 t0 = tcg_temp_new();
12661 v1_t = tcg_temp_new();
12662 v2_t = tcg_temp_new();
12663
12664 tcg_gen_movi_tl(t0, v1);
12665 gen_load_gpr(v1_t, v1);
12666 gen_load_gpr(v2_t, v2);
12667
12668 switch (opc) {
12669 case OPC_SHLL_QB_DSP:
12670 {
12671 op2 = MASK_SHLL_QB(ctx->opcode);
12672 switch (op2) {
12673 case OPC_SHLL_QB:
12674 check_dsp(ctx);
12675 gen_helper_shll_qb(cpu_gpr[ret], t0, v2_t, cpu_env);
12676 break;
12677 case OPC_SHLLV_QB:
12678 check_dsp(ctx);
12679 gen_helper_shll_qb(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12680 break;
12681 case OPC_SHLL_PH:
12682 check_dsp(ctx);
12683 gen_helper_shll_ph(cpu_gpr[ret], t0, v2_t, cpu_env);
12684 break;
12685 case OPC_SHLLV_PH:
12686 check_dsp(ctx);
12687 gen_helper_shll_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12688 break;
12689 case OPC_SHLL_S_PH:
12690 check_dsp(ctx);
12691 gen_helper_shll_s_ph(cpu_gpr[ret], t0, v2_t, cpu_env);
12692 break;
12693 case OPC_SHLLV_S_PH:
12694 check_dsp(ctx);
12695 gen_helper_shll_s_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12696 break;
12697 case OPC_SHLL_S_W:
12698 check_dsp(ctx);
12699 gen_helper_shll_s_w(cpu_gpr[ret], t0, v2_t, cpu_env);
12700 break;
12701 case OPC_SHLLV_S_W:
12702 check_dsp(ctx);
12703 gen_helper_shll_s_w(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12704 break;
12705 case OPC_SHRL_QB:
12706 check_dsp(ctx);
12707 gen_helper_shrl_qb(cpu_gpr[ret], t0, v2_t);
12708 break;
12709 case OPC_SHRLV_QB:
12710 check_dsp(ctx);
12711 gen_helper_shrl_qb(cpu_gpr[ret], v1_t, v2_t);
12712 break;
12713 case OPC_SHRL_PH:
12714 check_dsp_r2(ctx);
12715 gen_helper_shrl_ph(cpu_gpr[ret], t0, v2_t);
12716 break;
12717 case OPC_SHRLV_PH:
12718 check_dsp_r2(ctx);
12719 gen_helper_shrl_ph(cpu_gpr[ret], v1_t, v2_t);
12720 break;
12721 case OPC_SHRA_QB:
12722 check_dsp_r2(ctx);
12723 gen_helper_shra_qb(cpu_gpr[ret], t0, v2_t);
12724 break;
12725 case OPC_SHRA_R_QB:
12726 check_dsp_r2(ctx);
12727 gen_helper_shra_r_qb(cpu_gpr[ret], t0, v2_t);
12728 break;
12729 case OPC_SHRAV_QB:
12730 check_dsp_r2(ctx);
12731 gen_helper_shra_qb(cpu_gpr[ret], v1_t, v2_t);
12732 break;
12733 case OPC_SHRAV_R_QB:
12734 check_dsp_r2(ctx);
12735 gen_helper_shra_r_qb(cpu_gpr[ret], v1_t, v2_t);
12736 break;
12737 case OPC_SHRA_PH:
12738 check_dsp(ctx);
12739 gen_helper_shra_ph(cpu_gpr[ret], t0, v2_t);
12740 break;
12741 case OPC_SHRA_R_PH:
12742 check_dsp(ctx);
12743 gen_helper_shra_r_ph(cpu_gpr[ret], t0, v2_t);
12744 break;
12745 case OPC_SHRAV_PH:
12746 check_dsp(ctx);
12747 gen_helper_shra_ph(cpu_gpr[ret], v1_t, v2_t);
12748 break;
12749 case OPC_SHRAV_R_PH:
12750 check_dsp(ctx);
12751 gen_helper_shra_r_ph(cpu_gpr[ret], v1_t, v2_t);
12752 break;
12753 case OPC_SHRA_R_W:
12754 check_dsp(ctx);
12755 gen_helper_shra_r_w(cpu_gpr[ret], t0, v2_t);
12756 break;
12757 case OPC_SHRAV_R_W:
12758 check_dsp(ctx);
12759 gen_helper_shra_r_w(cpu_gpr[ret], v1_t, v2_t);
12760 break;
12761 default: /* Invalid */
12762 MIPS_INVAL("MASK SHLL.QB");
12763 gen_reserved_instruction(ctx);
12764 break;
12765 }
12766 break;
12767 }
12768 #ifdef TARGET_MIPS64
12769 case OPC_SHLL_OB_DSP:
12770 op2 = MASK_SHLL_OB(ctx->opcode);
12771 switch (op2) {
12772 case OPC_SHLL_PW:
12773 check_dsp(ctx);
12774 gen_helper_shll_pw(cpu_gpr[ret], v2_t, t0, cpu_env);
12775 break;
12776 case OPC_SHLLV_PW:
12777 check_dsp(ctx);
12778 gen_helper_shll_pw(cpu_gpr[ret], v2_t, v1_t, cpu_env);
12779 break;
12780 case OPC_SHLL_S_PW:
12781 check_dsp(ctx);
12782 gen_helper_shll_s_pw(cpu_gpr[ret], v2_t, t0, cpu_env);
12783 break;
12784 case OPC_SHLLV_S_PW:
12785 check_dsp(ctx);
12786 gen_helper_shll_s_pw(cpu_gpr[ret], v2_t, v1_t, cpu_env);
12787 break;
12788 case OPC_SHLL_OB:
12789 check_dsp(ctx);
12790 gen_helper_shll_ob(cpu_gpr[ret], v2_t, t0, cpu_env);
12791 break;
12792 case OPC_SHLLV_OB:
12793 check_dsp(ctx);
12794 gen_helper_shll_ob(cpu_gpr[ret], v2_t, v1_t, cpu_env);
12795 break;
12796 case OPC_SHLL_QH:
12797 check_dsp(ctx);
12798 gen_helper_shll_qh(cpu_gpr[ret], v2_t, t0, cpu_env);
12799 break;
12800 case OPC_SHLLV_QH:
12801 check_dsp(ctx);
12802 gen_helper_shll_qh(cpu_gpr[ret], v2_t, v1_t, cpu_env);
12803 break;
12804 case OPC_SHLL_S_QH:
12805 check_dsp(ctx);
12806 gen_helper_shll_s_qh(cpu_gpr[ret], v2_t, t0, cpu_env);
12807 break;
12808 case OPC_SHLLV_S_QH:
12809 check_dsp(ctx);
12810 gen_helper_shll_s_qh(cpu_gpr[ret], v2_t, v1_t, cpu_env);
12811 break;
12812 case OPC_SHRA_OB:
12813 check_dsp_r2(ctx);
12814 gen_helper_shra_ob(cpu_gpr[ret], v2_t, t0);
12815 break;
12816 case OPC_SHRAV_OB:
12817 check_dsp_r2(ctx);
12818 gen_helper_shra_ob(cpu_gpr[ret], v2_t, v1_t);
12819 break;
12820 case OPC_SHRA_R_OB:
12821 check_dsp_r2(ctx);
12822 gen_helper_shra_r_ob(cpu_gpr[ret], v2_t, t0);
12823 break;
12824 case OPC_SHRAV_R_OB:
12825 check_dsp_r2(ctx);
12826 gen_helper_shra_r_ob(cpu_gpr[ret], v2_t, v1_t);
12827 break;
12828 case OPC_SHRA_PW:
12829 check_dsp(ctx);
12830 gen_helper_shra_pw(cpu_gpr[ret], v2_t, t0);
12831 break;
12832 case OPC_SHRAV_PW:
12833 check_dsp(ctx);
12834 gen_helper_shra_pw(cpu_gpr[ret], v2_t, v1_t);
12835 break;
12836 case OPC_SHRA_R_PW:
12837 check_dsp(ctx);
12838 gen_helper_shra_r_pw(cpu_gpr[ret], v2_t, t0);
12839 break;
12840 case OPC_SHRAV_R_PW:
12841 check_dsp(ctx);
12842 gen_helper_shra_r_pw(cpu_gpr[ret], v2_t, v1_t);
12843 break;
12844 case OPC_SHRA_QH:
12845 check_dsp(ctx);
12846 gen_helper_shra_qh(cpu_gpr[ret], v2_t, t0);
12847 break;
12848 case OPC_SHRAV_QH:
12849 check_dsp(ctx);
12850 gen_helper_shra_qh(cpu_gpr[ret], v2_t, v1_t);
12851 break;
12852 case OPC_SHRA_R_QH:
12853 check_dsp(ctx);
12854 gen_helper_shra_r_qh(cpu_gpr[ret], v2_t, t0);
12855 break;
12856 case OPC_SHRAV_R_QH:
12857 check_dsp(ctx);
12858 gen_helper_shra_r_qh(cpu_gpr[ret], v2_t, v1_t);
12859 break;
12860 case OPC_SHRL_OB:
12861 check_dsp(ctx);
12862 gen_helper_shrl_ob(cpu_gpr[ret], v2_t, t0);
12863 break;
12864 case OPC_SHRLV_OB:
12865 check_dsp(ctx);
12866 gen_helper_shrl_ob(cpu_gpr[ret], v2_t, v1_t);
12867 break;
12868 case OPC_SHRL_QH:
12869 check_dsp_r2(ctx);
12870 gen_helper_shrl_qh(cpu_gpr[ret], v2_t, t0);
12871 break;
12872 case OPC_SHRLV_QH:
12873 check_dsp_r2(ctx);
12874 gen_helper_shrl_qh(cpu_gpr[ret], v2_t, v1_t);
12875 break;
12876 default: /* Invalid */
12877 MIPS_INVAL("MASK SHLL.OB");
12878 gen_reserved_instruction(ctx);
12879 break;
12880 }
12881 break;
12882 #endif
12883 }
12884
12885 tcg_temp_free(t0);
12886 tcg_temp_free(v1_t);
12887 tcg_temp_free(v2_t);
12888 }
12889
12890 static void gen_mipsdsp_multiply(DisasContext *ctx, uint32_t op1, uint32_t op2,
12891 int ret, int v1, int v2, int check_ret)
12892 {
12893 TCGv_i32 t0;
12894 TCGv v1_t;
12895 TCGv v2_t;
12896
12897 if ((ret == 0) && (check_ret == 1)) {
12898 /* Treat as NOP. */
12899 return;
12900 }
12901
12902 t0 = tcg_temp_new_i32();
12903 v1_t = tcg_temp_new();
12904 v2_t = tcg_temp_new();
12905
12906 tcg_gen_movi_i32(t0, ret);
12907 gen_load_gpr(v1_t, v1);
12908 gen_load_gpr(v2_t, v2);
12909
12910 switch (op1) {
12911 /*
12912 * OPC_MULT_G_2E, OPC_ADDUH_QB_DSP, OPC_MUL_PH_DSP have
12913 * the same mask and op1.
12914 */
12915 case OPC_MULT_G_2E:
12916 check_dsp_r2(ctx);
12917 switch (op2) {
12918 case OPC_MUL_PH:
12919 gen_helper_mul_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12920 break;
12921 case OPC_MUL_S_PH:
12922 gen_helper_mul_s_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12923 break;
12924 case OPC_MULQ_S_W:
12925 gen_helper_mulq_s_w(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12926 break;
12927 case OPC_MULQ_RS_W:
12928 gen_helper_mulq_rs_w(cpu_gpr[ret], v1_t, v2_t, cpu_env);
12929 break;
12930 }
12931 break;
12932 case OPC_DPA_W_PH_DSP:
12933 switch (op2) {
12934 case OPC_DPAU_H_QBL:
12935 check_dsp(ctx);
12936 gen_helper_dpau_h_qbl(t0, v1_t, v2_t, cpu_env);
12937 break;
12938 case OPC_DPAU_H_QBR:
12939 check_dsp(ctx);
12940 gen_helper_dpau_h_qbr(t0, v1_t, v2_t, cpu_env);
12941 break;
12942 case OPC_DPSU_H_QBL:
12943 check_dsp(ctx);
12944 gen_helper_dpsu_h_qbl(t0, v1_t, v2_t, cpu_env);
12945 break;
12946 case OPC_DPSU_H_QBR:
12947 check_dsp(ctx);
12948 gen_helper_dpsu_h_qbr(t0, v1_t, v2_t, cpu_env);
12949 break;
12950 case OPC_DPA_W_PH:
12951 check_dsp_r2(ctx);
12952 gen_helper_dpa_w_ph(t0, v1_t, v2_t, cpu_env);
12953 break;
12954 case OPC_DPAX_W_PH:
12955 check_dsp_r2(ctx);
12956 gen_helper_dpax_w_ph(t0, v1_t, v2_t, cpu_env);
12957 break;
12958 case OPC_DPAQ_S_W_PH:
12959 check_dsp(ctx);
12960 gen_helper_dpaq_s_w_ph(t0, v1_t, v2_t, cpu_env);
12961 break;
12962 case OPC_DPAQX_S_W_PH:
12963 check_dsp_r2(ctx);
12964 gen_helper_dpaqx_s_w_ph(t0, v1_t, v2_t, cpu_env);
12965 break;
12966 case OPC_DPAQX_SA_W_PH:
12967 check_dsp_r2(ctx);
12968 gen_helper_dpaqx_sa_w_ph(t0, v1_t, v2_t, cpu_env);
12969 break;
12970 case OPC_DPS_W_PH:
12971 check_dsp_r2(ctx);
12972 gen_helper_dps_w_ph(t0, v1_t, v2_t, cpu_env);
12973 break;
12974 case OPC_DPSX_W_PH:
12975 check_dsp_r2(ctx);
12976 gen_helper_dpsx_w_ph(t0, v1_t, v2_t, cpu_env);
12977 break;
12978 case OPC_DPSQ_S_W_PH:
12979 check_dsp(ctx);
12980 gen_helper_dpsq_s_w_ph(t0, v1_t, v2_t, cpu_env);
12981 break;
12982 case OPC_DPSQX_S_W_PH:
12983 check_dsp_r2(ctx);
12984 gen_helper_dpsqx_s_w_ph(t0, v1_t, v2_t, cpu_env);
12985 break;
12986 case OPC_DPSQX_SA_W_PH:
12987 check_dsp_r2(ctx);
12988 gen_helper_dpsqx_sa_w_ph(t0, v1_t, v2_t, cpu_env);
12989 break;
12990 case OPC_MULSAQ_S_W_PH:
12991 check_dsp(ctx);
12992 gen_helper_mulsaq_s_w_ph(t0, v1_t, v2_t, cpu_env);
12993 break;
12994 case OPC_DPAQ_SA_L_W:
12995 check_dsp(ctx);
12996 gen_helper_dpaq_sa_l_w(t0, v1_t, v2_t, cpu_env);
12997 break;
12998 case OPC_DPSQ_SA_L_W:
12999 check_dsp(ctx);
13000 gen_helper_dpsq_sa_l_w(t0, v1_t, v2_t, cpu_env);
13001 break;
13002 case OPC_MAQ_S_W_PHL:
13003 check_dsp(ctx);
13004 gen_helper_maq_s_w_phl(t0, v1_t, v2_t, cpu_env);
13005 break;
13006 case OPC_MAQ_S_W_PHR:
13007 check_dsp(ctx);
13008 gen_helper_maq_s_w_phr(t0, v1_t, v2_t, cpu_env);
13009 break;
13010 case OPC_MAQ_SA_W_PHL:
13011 check_dsp(ctx);
13012 gen_helper_maq_sa_w_phl(t0, v1_t, v2_t, cpu_env);
13013 break;
13014 case OPC_MAQ_SA_W_PHR:
13015 check_dsp(ctx);
13016 gen_helper_maq_sa_w_phr(t0, v1_t, v2_t, cpu_env);
13017 break;
13018 case OPC_MULSA_W_PH:
13019 check_dsp_r2(ctx);
13020 gen_helper_mulsa_w_ph(t0, v1_t, v2_t, cpu_env);
13021 break;
13022 }
13023 break;
13024 #ifdef TARGET_MIPS64
13025 case OPC_DPAQ_W_QH_DSP:
13026 {
13027 int ac = ret & 0x03;
13028 tcg_gen_movi_i32(t0, ac);
13029
13030 switch (op2) {
13031 case OPC_DMADD:
13032 check_dsp(ctx);
13033 gen_helper_dmadd(v1_t, v2_t, t0, cpu_env);
13034 break;
13035 case OPC_DMADDU:
13036 check_dsp(ctx);
13037 gen_helper_dmaddu(v1_t, v2_t, t0, cpu_env);
13038 break;
13039 case OPC_DMSUB:
13040 check_dsp(ctx);
13041 gen_helper_dmsub(v1_t, v2_t, t0, cpu_env);
13042 break;
13043 case OPC_DMSUBU:
13044 check_dsp(ctx);
13045 gen_helper_dmsubu(v1_t, v2_t, t0, cpu_env);
13046 break;
13047 case OPC_DPA_W_QH:
13048 check_dsp_r2(ctx);
13049 gen_helper_dpa_w_qh(v1_t, v2_t, t0, cpu_env);
13050 break;
13051 case OPC_DPAQ_S_W_QH:
13052 check_dsp(ctx);
13053 gen_helper_dpaq_s_w_qh(v1_t, v2_t, t0, cpu_env);
13054 break;
13055 case OPC_DPAQ_SA_L_PW:
13056 check_dsp(ctx);
13057 gen_helper_dpaq_sa_l_pw(v1_t, v2_t, t0, cpu_env);
13058 break;
13059 case OPC_DPAU_H_OBL:
13060 check_dsp(ctx);
13061 gen_helper_dpau_h_obl(v1_t, v2_t, t0, cpu_env);
13062 break;
13063 case OPC_DPAU_H_OBR:
13064 check_dsp(ctx);
13065 gen_helper_dpau_h_obr(v1_t, v2_t, t0, cpu_env);
13066 break;
13067 case OPC_DPS_W_QH:
13068 check_dsp_r2(ctx);
13069 gen_helper_dps_w_qh(v1_t, v2_t, t0, cpu_env);
13070 break;
13071 case OPC_DPSQ_S_W_QH:
13072 check_dsp(ctx);
13073 gen_helper_dpsq_s_w_qh(v1_t, v2_t, t0, cpu_env);
13074 break;
13075 case OPC_DPSQ_SA_L_PW:
13076 check_dsp(ctx);
13077 gen_helper_dpsq_sa_l_pw(v1_t, v2_t, t0, cpu_env);
13078 break;
13079 case OPC_DPSU_H_OBL:
13080 check_dsp(ctx);
13081 gen_helper_dpsu_h_obl(v1_t, v2_t, t0, cpu_env);
13082 break;
13083 case OPC_DPSU_H_OBR:
13084 check_dsp(ctx);
13085 gen_helper_dpsu_h_obr(v1_t, v2_t, t0, cpu_env);
13086 break;
13087 case OPC_MAQ_S_L_PWL:
13088 check_dsp(ctx);
13089 gen_helper_maq_s_l_pwl(v1_t, v2_t, t0, cpu_env);
13090 break;
13091 case OPC_MAQ_S_L_PWR:
13092 check_dsp(ctx);
13093 gen_helper_maq_s_l_pwr(v1_t, v2_t, t0, cpu_env);
13094 break;
13095 case OPC_MAQ_S_W_QHLL:
13096 check_dsp(ctx);
13097 gen_helper_maq_s_w_qhll(v1_t, v2_t, t0, cpu_env);
13098 break;
13099 case OPC_MAQ_SA_W_QHLL:
13100 check_dsp(ctx);
13101 gen_helper_maq_sa_w_qhll(v1_t, v2_t, t0, cpu_env);
13102 break;
13103 case OPC_MAQ_S_W_QHLR:
13104 check_dsp(ctx);
13105 gen_helper_maq_s_w_qhlr(v1_t, v2_t, t0, cpu_env);
13106 break;
13107 case OPC_MAQ_SA_W_QHLR:
13108 check_dsp(ctx);
13109 gen_helper_maq_sa_w_qhlr(v1_t, v2_t, t0, cpu_env);
13110 break;
13111 case OPC_MAQ_S_W_QHRL:
13112 check_dsp(ctx);
13113 gen_helper_maq_s_w_qhrl(v1_t, v2_t, t0, cpu_env);
13114 break;
13115 case OPC_MAQ_SA_W_QHRL:
13116 check_dsp(ctx);
13117 gen_helper_maq_sa_w_qhrl(v1_t, v2_t, t0, cpu_env);
13118 break;
13119 case OPC_MAQ_S_W_QHRR:
13120 check_dsp(ctx);
13121 gen_helper_maq_s_w_qhrr(v1_t, v2_t, t0, cpu_env);
13122 break;
13123 case OPC_MAQ_SA_W_QHRR:
13124 check_dsp(ctx);
13125 gen_helper_maq_sa_w_qhrr(v1_t, v2_t, t0, cpu_env);
13126 break;
13127 case OPC_MULSAQ_S_L_PW:
13128 check_dsp(ctx);
13129 gen_helper_mulsaq_s_l_pw(v1_t, v2_t, t0, cpu_env);
13130 break;
13131 case OPC_MULSAQ_S_W_QH:
13132 check_dsp(ctx);
13133 gen_helper_mulsaq_s_w_qh(v1_t, v2_t, t0, cpu_env);
13134 break;
13135 }
13136 }
13137 break;
13138 #endif
13139 case OPC_ADDU_QB_DSP:
13140 switch (op2) {
13141 case OPC_MULEU_S_PH_QBL:
13142 check_dsp(ctx);
13143 gen_helper_muleu_s_ph_qbl(cpu_gpr[ret], v1_t, v2_t, cpu_env);
13144 break;
13145 case OPC_MULEU_S_PH_QBR:
13146 check_dsp(ctx);
13147 gen_helper_muleu_s_ph_qbr(cpu_gpr[ret], v1_t, v2_t, cpu_env);
13148 break;
13149 case OPC_MULQ_RS_PH:
13150 check_dsp(ctx);
13151 gen_helper_mulq_rs_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
13152 break;
13153 case OPC_MULEQ_S_W_PHL:
13154 check_dsp(ctx);
13155 gen_helper_muleq_s_w_phl(cpu_gpr[ret], v1_t, v2_t, cpu_env);
13156 break;
13157 case OPC_MULEQ_S_W_PHR:
13158 check_dsp(ctx);
13159 gen_helper_muleq_s_w_phr(cpu_gpr[ret], v1_t, v2_t, cpu_env);
13160 break;
13161 case OPC_MULQ_S_PH:
13162 check_dsp_r2(ctx);
13163 gen_helper_mulq_s_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
13164 break;
13165 }
13166 break;
13167 #ifdef TARGET_MIPS64
13168 case OPC_ADDU_OB_DSP:
13169 switch (op2) {
13170 case OPC_MULEQ_S_PW_QHL:
13171 check_dsp(ctx);
13172 gen_helper_muleq_s_pw_qhl(cpu_gpr[ret], v1_t, v2_t, cpu_env);
13173 break;
13174 case OPC_MULEQ_S_PW_QHR:
13175 check_dsp(ctx);
13176 gen_helper_muleq_s_pw_qhr(cpu_gpr[ret], v1_t, v2_t, cpu_env);
13177 break;
13178 case OPC_MULEU_S_QH_OBL:
13179 check_dsp(ctx);
13180 gen_helper_muleu_s_qh_obl(cpu_gpr[ret], v1_t, v2_t, cpu_env);
13181 break;
13182 case OPC_MULEU_S_QH_OBR:
13183 check_dsp(ctx);
13184 gen_helper_muleu_s_qh_obr(cpu_gpr[ret], v1_t, v2_t, cpu_env);
13185 break;
13186 case OPC_MULQ_RS_QH:
13187 check_dsp(ctx);
13188 gen_helper_mulq_rs_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env);
13189 break;
13190 }
13191 break;
13192 #endif
13193 }
13194
13195 tcg_temp_free_i32(t0);
13196 tcg_temp_free(v1_t);
13197 tcg_temp_free(v2_t);
13198 }
13199
13200 static void gen_mipsdsp_bitinsn(DisasContext *ctx, uint32_t op1, uint32_t op2,
13201 int ret, int val)
13202 {
13203 int16_t imm;
13204 TCGv t0;
13205 TCGv val_t;
13206
13207 if (ret == 0) {
13208 /* Treat as NOP. */
13209 return;
13210 }
13211
13212 t0 = tcg_temp_new();
13213 val_t = tcg_temp_new();
13214 gen_load_gpr(val_t, val);
13215
13216 switch (op1) {
13217 case OPC_ABSQ_S_PH_DSP:
13218 switch (op2) {
13219 case OPC_BITREV:
13220 check_dsp(ctx);
13221 gen_helper_bitrev(cpu_gpr[ret], val_t);
13222 break;
13223 case OPC_REPL_QB:
13224 check_dsp(ctx);
13225 {
13226 target_long result;
13227 imm = (ctx->opcode >> 16) & 0xFF;
13228 result = (uint32_t)imm << 24 |
13229 (uint32_t)imm << 16 |
13230 (uint32_t)imm << 8 |
13231 (uint32_t)imm;
13232 result = (int32_t)result;
13233 tcg_gen_movi_tl(cpu_gpr[ret], result);
13234 }
13235 break;
13236 case OPC_REPLV_QB:
13237 check_dsp(ctx);
13238 tcg_gen_ext8u_tl(cpu_gpr[ret], val_t);
13239 tcg_gen_shli_tl(t0, cpu_gpr[ret], 8);
13240 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
13241 tcg_gen_shli_tl(t0, cpu_gpr[ret], 16);
13242 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
13243 tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]);
13244 break;
13245 case OPC_REPL_PH:
13246 check_dsp(ctx);
13247 {
13248 imm = (ctx->opcode >> 16) & 0x03FF;
13249 imm = (int16_t)(imm << 6) >> 6;
13250 tcg_gen_movi_tl(cpu_gpr[ret], \
13251 (target_long)((int32_t)imm << 16 | \
13252 (uint16_t)imm));
13253 }
13254 break;
13255 case OPC_REPLV_PH:
13256 check_dsp(ctx);
13257 tcg_gen_ext16u_tl(cpu_gpr[ret], val_t);
13258 tcg_gen_shli_tl(t0, cpu_gpr[ret], 16);
13259 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
13260 tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]);
13261 break;
13262 }
13263 break;
13264 #ifdef TARGET_MIPS64
13265 case OPC_ABSQ_S_QH_DSP:
13266 switch (op2) {
13267 case OPC_REPL_OB:
13268 check_dsp(ctx);
13269 {
13270 target_long temp;
13271
13272 imm = (ctx->opcode >> 16) & 0xFF;
13273 temp = ((uint64_t)imm << 8) | (uint64_t)imm;
13274 temp = (temp << 16) | temp;
13275 temp = (temp << 32) | temp;
13276 tcg_gen_movi_tl(cpu_gpr[ret], temp);
13277 break;
13278 }
13279 case OPC_REPL_PW:
13280 check_dsp(ctx);
13281 {
13282 target_long temp;
13283
13284 imm = (ctx->opcode >> 16) & 0x03FF;
13285 imm = (int16_t)(imm << 6) >> 6;
13286 temp = ((target_long)imm << 32) \
13287 | ((target_long)imm & 0xFFFFFFFF);
13288 tcg_gen_movi_tl(cpu_gpr[ret], temp);
13289 break;
13290 }
13291 case OPC_REPL_QH:
13292 check_dsp(ctx);
13293 {
13294 target_long temp;
13295
13296 imm = (ctx->opcode >> 16) & 0x03FF;
13297 imm = (int16_t)(imm << 6) >> 6;
13298
13299 temp = ((uint64_t)(uint16_t)imm << 48) |
13300 ((uint64_t)(uint16_t)imm << 32) |
13301 ((uint64_t)(uint16_t)imm << 16) |
13302 (uint64_t)(uint16_t)imm;
13303 tcg_gen_movi_tl(cpu_gpr[ret], temp);
13304 break;
13305 }
13306 case OPC_REPLV_OB:
13307 check_dsp(ctx);
13308 tcg_gen_ext8u_tl(cpu_gpr[ret], val_t);
13309 tcg_gen_shli_tl(t0, cpu_gpr[ret], 8);
13310 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
13311 tcg_gen_shli_tl(t0, cpu_gpr[ret], 16);
13312 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
13313 tcg_gen_shli_tl(t0, cpu_gpr[ret], 32);
13314 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
13315 break;
13316 case OPC_REPLV_PW:
13317 check_dsp(ctx);
13318 tcg_gen_ext32u_i64(cpu_gpr[ret], val_t);
13319 tcg_gen_shli_tl(t0, cpu_gpr[ret], 32);
13320 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
13321 break;
13322 case OPC_REPLV_QH:
13323 check_dsp(ctx);
13324 tcg_gen_ext16u_tl(cpu_gpr[ret], val_t);
13325 tcg_gen_shli_tl(t0, cpu_gpr[ret], 16);
13326 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
13327 tcg_gen_shli_tl(t0, cpu_gpr[ret], 32);
13328 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
13329 break;
13330 }
13331 break;
13332 #endif
13333 }
13334 tcg_temp_free(t0);
13335 tcg_temp_free(val_t);
13336 }
13337
13338 static void gen_mipsdsp_add_cmp_pick(DisasContext *ctx,
13339 uint32_t op1, uint32_t op2,
13340 int ret, int v1, int v2, int check_ret)
13341 {
13342 TCGv t1;
13343 TCGv v1_t;
13344 TCGv v2_t;
13345
13346 if ((ret == 0) && (check_ret == 1)) {
13347 /* Treat as NOP. */
13348 return;
13349 }
13350
13351 t1 = tcg_temp_new();
13352 v1_t = tcg_temp_new();
13353 v2_t = tcg_temp_new();
13354
13355 gen_load_gpr(v1_t, v1);
13356 gen_load_gpr(v2_t, v2);
13357
13358 switch (op1) {
13359 case OPC_CMPU_EQ_QB_DSP:
13360 switch (op2) {
13361 case OPC_CMPU_EQ_QB:
13362 check_dsp(ctx);
13363 gen_helper_cmpu_eq_qb(v1_t, v2_t, cpu_env);
13364 break;
13365 case OPC_CMPU_LT_QB:
13366 check_dsp(ctx);
13367 gen_helper_cmpu_lt_qb(v1_t, v2_t, cpu_env);
13368 break;
13369 case OPC_CMPU_LE_QB:
13370 check_dsp(ctx);
13371 gen_helper_cmpu_le_qb(v1_t, v2_t, cpu_env);
13372 break;
13373 case OPC_CMPGU_EQ_QB:
13374 check_dsp(ctx);
13375 gen_helper_cmpgu_eq_qb(cpu_gpr[ret], v1_t, v2_t);
13376 break;
13377 case OPC_CMPGU_LT_QB:
13378 check_dsp(ctx);
13379 gen_helper_cmpgu_lt_qb(cpu_gpr[ret], v1_t, v2_t);
13380 break;
13381 case OPC_CMPGU_LE_QB:
13382 check_dsp(ctx);
13383 gen_helper_cmpgu_le_qb(cpu_gpr[ret], v1_t, v2_t);
13384 break;
13385 case OPC_CMPGDU_EQ_QB:
13386 check_dsp_r2(ctx);
13387 gen_helper_cmpgu_eq_qb(t1, v1_t, v2_t);
13388 tcg_gen_mov_tl(cpu_gpr[ret], t1);
13389 tcg_gen_andi_tl(cpu_dspctrl, cpu_dspctrl, 0xF0FFFFFF);
13390 tcg_gen_shli_tl(t1, t1, 24);
13391 tcg_gen_or_tl(cpu_dspctrl, cpu_dspctrl, t1);
13392 break;
13393 case OPC_CMPGDU_LT_QB:
13394 check_dsp_r2(ctx);
13395 gen_helper_cmpgu_lt_qb(t1, v1_t, v2_t);
13396 tcg_gen_mov_tl(cpu_gpr[ret], t1);
13397 tcg_gen_andi_tl(cpu_dspctrl, cpu_dspctrl, 0xF0FFFFFF);
13398 tcg_gen_shli_tl(t1, t1, 24);
13399 tcg_gen_or_tl(cpu_dspctrl, cpu_dspctrl, t1);
13400 break;
13401 case OPC_CMPGDU_LE_QB:
13402 check_dsp_r2(ctx);
13403 gen_helper_cmpgu_le_qb(t1, v1_t, v2_t);
13404 tcg_gen_mov_tl(cpu_gpr[ret], t1);
13405 tcg_gen_andi_tl(cpu_dspctrl, cpu_dspctrl, 0xF0FFFFFF);
13406 tcg_gen_shli_tl(t1, t1, 24);
13407 tcg_gen_or_tl(cpu_dspctrl, cpu_dspctrl, t1);
13408 break;
13409 case OPC_CMP_EQ_PH:
13410 check_dsp(ctx);
13411 gen_helper_cmp_eq_ph(v1_t, v2_t, cpu_env);
13412 break;
13413 case OPC_CMP_LT_PH:
13414 check_dsp(ctx);
13415 gen_helper_cmp_lt_ph(v1_t, v2_t, cpu_env);
13416 break;
13417 case OPC_CMP_LE_PH:
13418 check_dsp(ctx);
13419 gen_helper_cmp_le_ph(v1_t, v2_t, cpu_env);
13420 break;
13421 case OPC_PICK_QB:
13422 check_dsp(ctx);
13423 gen_helper_pick_qb(cpu_gpr[ret], v1_t, v2_t, cpu_env);
13424 break;
13425 case OPC_PICK_PH:
13426 check_dsp(ctx);
13427 gen_helper_pick_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env);
13428 break;
13429 case OPC_PACKRL_PH:
13430 check_dsp(ctx);
13431 gen_helper_packrl_ph(cpu_gpr[ret], v1_t, v2_t);
13432 break;
13433 }
13434 break;
13435 #ifdef TARGET_MIPS64
13436 case OPC_CMPU_EQ_OB_DSP:
13437 switch (op2) {
13438 case OPC_CMP_EQ_PW:
13439 check_dsp(ctx);
13440 gen_helper_cmp_eq_pw(v1_t, v2_t, cpu_env);
13441 break;
13442 case OPC_CMP_LT_PW:
13443 check_dsp(ctx);
13444 gen_helper_cmp_lt_pw(v1_t, v2_t, cpu_env);
13445 break;
13446 case OPC_CMP_LE_PW:
13447 check_dsp(ctx);
13448 gen_helper_cmp_le_pw(v1_t, v2_t, cpu_env);
13449 break;
13450 case OPC_CMP_EQ_QH:
13451 check_dsp(ctx);
13452 gen_helper_cmp_eq_qh(v1_t, v2_t, cpu_env);
13453 break;
13454 case OPC_CMP_LT_QH:
13455 check_dsp(ctx);
13456 gen_helper_cmp_lt_qh(v1_t, v2_t, cpu_env);
13457 break;
13458 case OPC_CMP_LE_QH:
13459 check_dsp(ctx);
13460 gen_helper_cmp_le_qh(v1_t, v2_t, cpu_env);
13461 break;
13462 case OPC_CMPGDU_EQ_OB:
13463 check_dsp_r2(ctx);
13464 gen_helper_cmpgdu_eq_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env);
13465 break;
13466 case OPC_CMPGDU_LT_OB:
13467 check_dsp_r2(ctx);
13468 gen_helper_cmpgdu_lt_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env);
13469 break;
13470 case OPC_CMPGDU_LE_OB:
13471 check_dsp_r2(ctx);
13472 gen_helper_cmpgdu_le_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env);
13473 break;
13474 case OPC_CMPGU_EQ_OB:
13475 check_dsp(ctx);
13476 gen_helper_cmpgu_eq_ob(cpu_gpr[ret], v1_t, v2_t);
13477 break;
13478 case OPC_CMPGU_LT_OB:
13479 check_dsp(ctx);
13480 gen_helper_cmpgu_lt_ob(cpu_gpr[ret], v1_t, v2_t);
13481 break;
13482 case OPC_CMPGU_LE_OB:
13483 check_dsp(ctx);
13484 gen_helper_cmpgu_le_ob(cpu_gpr[ret], v1_t, v2_t);
13485 break;
13486 case OPC_CMPU_EQ_OB:
13487 check_dsp(ctx);
13488 gen_helper_cmpu_eq_ob(v1_t, v2_t, cpu_env);
13489 break;
13490 case OPC_CMPU_LT_OB:
13491 check_dsp(ctx);
13492 gen_helper_cmpu_lt_ob(v1_t, v2_t, cpu_env);
13493 break;
13494 case OPC_CMPU_LE_OB:
13495 check_dsp(ctx);
13496 gen_helper_cmpu_le_ob(v1_t, v2_t, cpu_env);
13497 break;
13498 case OPC_PACKRL_PW:
13499 check_dsp(ctx);
13500 gen_helper_packrl_pw(cpu_gpr[ret], v1_t, v2_t);
13501 break;
13502 case OPC_PICK_OB:
13503 check_dsp(ctx);
13504 gen_helper_pick_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env);
13505 break;
13506 case OPC_PICK_PW:
13507 check_dsp(ctx);
13508 gen_helper_pick_pw(cpu_gpr[ret], v1_t, v2_t, cpu_env);
13509 break;
13510 case OPC_PICK_QH:
13511 check_dsp(ctx);
13512 gen_helper_pick_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env);
13513 break;
13514 }
13515 break;
13516 #endif
13517 }
13518
13519 tcg_temp_free(t1);
13520 tcg_temp_free(v1_t);
13521 tcg_temp_free(v2_t);
13522 }
13523
13524 static void gen_mipsdsp_append(CPUMIPSState *env, DisasContext *ctx,
13525 uint32_t op1, int rt, int rs, int sa)
13526 {
13527 TCGv t0;
13528
13529 check_dsp_r2(ctx);
13530
13531 if (rt == 0) {
13532 /* Treat as NOP. */
13533 return;
13534 }
13535
13536 t0 = tcg_temp_new();
13537 gen_load_gpr(t0, rs);
13538
13539 switch (op1) {
13540 case OPC_APPEND_DSP:
13541 switch (MASK_APPEND(ctx->opcode)) {
13542 case OPC_APPEND:
13543 if (sa != 0) {
13544 tcg_gen_deposit_tl(cpu_gpr[rt], t0, cpu_gpr[rt], sa, 32 - sa);
13545 }
13546 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]);
13547 break;
13548 case OPC_PREPEND:
13549 if (sa != 0) {
13550 tcg_gen_ext32u_tl(cpu_gpr[rt], cpu_gpr[rt]);
13551 tcg_gen_shri_tl(cpu_gpr[rt], cpu_gpr[rt], sa);
13552 tcg_gen_shli_tl(t0, t0, 32 - sa);
13553 tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0);
13554 }
13555 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]);
13556 break;
13557 case OPC_BALIGN:
13558 sa &= 3;
13559 if (sa != 0 && sa != 2) {
13560 tcg_gen_shli_tl(cpu_gpr[rt], cpu_gpr[rt], 8 * sa);
13561 tcg_gen_ext32u_tl(t0, t0);
13562 tcg_gen_shri_tl(t0, t0, 8 * (4 - sa));
13563 tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0);
13564 }
13565 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]);
13566 break;
13567 default: /* Invalid */
13568 MIPS_INVAL("MASK APPEND");
13569 gen_reserved_instruction(ctx);
13570 break;
13571 }
13572 break;
13573 #ifdef TARGET_MIPS64
13574 case OPC_DAPPEND_DSP:
13575 switch (MASK_DAPPEND(ctx->opcode)) {
13576 case OPC_DAPPEND:
13577 if (sa != 0) {
13578 tcg_gen_deposit_tl(cpu_gpr[rt], t0, cpu_gpr[rt], sa, 64 - sa);
13579 }
13580 break;
13581 case OPC_PREPENDD:
13582 tcg_gen_shri_tl(cpu_gpr[rt], cpu_gpr[rt], 0x20 | sa);
13583 tcg_gen_shli_tl(t0, t0, 64 - (0x20 | sa));
13584 tcg_gen_or_tl(cpu_gpr[rt], t0, t0);
13585 break;
13586 case OPC_PREPENDW:
13587 if (sa != 0) {
13588 tcg_gen_shri_tl(cpu_gpr[rt], cpu_gpr[rt], sa);
13589 tcg_gen_shli_tl(t0, t0, 64 - sa);
13590 tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0);
13591 }
13592 break;
13593 case OPC_DBALIGN:
13594 sa &= 7;
13595 if (sa != 0 && sa != 2 && sa != 4) {
13596 tcg_gen_shli_tl(cpu_gpr[rt], cpu_gpr[rt], 8 * sa);
13597 tcg_gen_shri_tl(t0, t0, 8 * (8 - sa));
13598 tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0);
13599 }
13600 break;
13601 default: /* Invalid */
13602 MIPS_INVAL("MASK DAPPEND");
13603 gen_reserved_instruction(ctx);
13604 break;
13605 }
13606 break;
13607 #endif
13608 }
13609 tcg_temp_free(t0);
13610 }
13611
13612 static void gen_mipsdsp_accinsn(DisasContext *ctx, uint32_t op1, uint32_t op2,
13613 int ret, int v1, int v2, int check_ret)
13614
13615 {
13616 TCGv t0;
13617 TCGv t1;
13618 TCGv v1_t;
13619 int16_t imm;
13620
13621 if ((ret == 0) && (check_ret == 1)) {
13622 /* Treat as NOP. */
13623 return;
13624 }
13625
13626 t0 = tcg_temp_new();
13627 t1 = tcg_temp_new();
13628 v1_t = tcg_temp_new();
13629
13630 gen_load_gpr(v1_t, v1);
13631
13632 switch (op1) {
13633 case OPC_EXTR_W_DSP:
13634 check_dsp(ctx);
13635 switch (op2) {
13636 case OPC_EXTR_W:
13637 tcg_gen_movi_tl(t0, v2);
13638 tcg_gen_movi_tl(t1, v1);
13639 gen_helper_extr_w(cpu_gpr[ret], t0, t1, cpu_env);
13640 break;
13641 case OPC_EXTR_R_W:
13642 tcg_gen_movi_tl(t0, v2);
13643 tcg_gen_movi_tl(t1, v1);
13644 gen_helper_extr_r_w(cpu_gpr[ret], t0, t1, cpu_env);
13645 break;
13646 case OPC_EXTR_RS_W:
13647 tcg_gen_movi_tl(t0, v2);
13648 tcg_gen_movi_tl(t1, v1);
13649 gen_helper_extr_rs_w(cpu_gpr[ret], t0, t1, cpu_env);
13650 break;
13651 case OPC_EXTR_S_H:
13652 tcg_gen_movi_tl(t0, v2);
13653 tcg_gen_movi_tl(t1, v1);
13654 gen_helper_extr_s_h(cpu_gpr[ret], t0, t1, cpu_env);
13655 break;
13656 case OPC_EXTRV_S_H:
13657 tcg_gen_movi_tl(t0, v2);
13658 gen_helper_extr_s_h(cpu_gpr[ret], t0, v1_t, cpu_env);
13659 break;
13660 case OPC_EXTRV_W:
13661 tcg_gen_movi_tl(t0, v2);
13662 gen_helper_extr_w(cpu_gpr[ret], t0, v1_t, cpu_env);
13663 break;
13664 case OPC_EXTRV_R_W:
13665 tcg_gen_movi_tl(t0, v2);
13666 gen_helper_extr_r_w(cpu_gpr[ret], t0, v1_t, cpu_env);
13667 break;
13668 case OPC_EXTRV_RS_W:
13669 tcg_gen_movi_tl(t0, v2);
13670 gen_helper_extr_rs_w(cpu_gpr[ret], t0, v1_t, cpu_env);
13671 break;
13672 case OPC_EXTP:
13673 tcg_gen_movi_tl(t0, v2);
13674 tcg_gen_movi_tl(t1, v1);
13675 gen_helper_extp(cpu_gpr[ret], t0, t1, cpu_env);
13676 break;
13677 case OPC_EXTPV:
13678 tcg_gen_movi_tl(t0, v2);
13679 gen_helper_extp(cpu_gpr[ret], t0, v1_t, cpu_env);
13680 break;
13681 case OPC_EXTPDP:
13682 tcg_gen_movi_tl(t0, v2);
13683 tcg_gen_movi_tl(t1, v1);
13684 gen_helper_extpdp(cpu_gpr[ret], t0, t1, cpu_env);
13685 break;
13686 case OPC_EXTPDPV:
13687 tcg_gen_movi_tl(t0, v2);
13688 gen_helper_extpdp(cpu_gpr[ret], t0, v1_t, cpu_env);
13689 break;
13690 case OPC_SHILO:
13691 imm = (ctx->opcode >> 20) & 0x3F;
13692 tcg_gen_movi_tl(t0, ret);
13693 tcg_gen_movi_tl(t1, imm);
13694 gen_helper_shilo(t0, t1, cpu_env);
13695 break;
13696 case OPC_SHILOV:
13697 tcg_gen_movi_tl(t0, ret);
13698 gen_helper_shilo(t0, v1_t, cpu_env);
13699 break;
13700 case OPC_MTHLIP:
13701 tcg_gen_movi_tl(t0, ret);
13702 gen_helper_mthlip(t0, v1_t, cpu_env);
13703 break;
13704 case OPC_WRDSP:
13705 imm = (ctx->opcode >> 11) & 0x3FF;
13706 tcg_gen_movi_tl(t0, imm);
13707 gen_helper_wrdsp(v1_t, t0, cpu_env);
13708 break;
13709 case OPC_RDDSP:
13710 imm = (ctx->opcode >> 16) & 0x03FF;
13711 tcg_gen_movi_tl(t0, imm);
13712 gen_helper_rddsp(cpu_gpr[ret], t0, cpu_env);
13713 break;
13714 }
13715 break;
13716 #ifdef TARGET_MIPS64
13717 case OPC_DEXTR_W_DSP:
13718 check_dsp(ctx);
13719 switch (op2) {
13720 case OPC_DMTHLIP:
13721 tcg_gen_movi_tl(t0, ret);
13722 gen_helper_dmthlip(v1_t, t0, cpu_env);
13723 break;
13724 case OPC_DSHILO:
13725 {
13726 int shift = (ctx->opcode >> 19) & 0x7F;
13727 int ac = (ctx->opcode >> 11) & 0x03;
13728 tcg_gen_movi_tl(t0, shift);
13729 tcg_gen_movi_tl(t1, ac);
13730 gen_helper_dshilo(t0, t1, cpu_env);
13731 break;
13732 }
13733 case OPC_DSHILOV:
13734 {
13735 int ac = (ctx->opcode >> 11) & 0x03;
13736 tcg_gen_movi_tl(t0, ac);
13737 gen_helper_dshilo(v1_t, t0, cpu_env);
13738 break;
13739 }
13740 case OPC_DEXTP:
13741 tcg_gen_movi_tl(t0, v2);
13742 tcg_gen_movi_tl(t1, v1);
13743
13744 gen_helper_dextp(cpu_gpr[ret], t0, t1, cpu_env);
13745 break;
13746 case OPC_DEXTPV:
13747 tcg_gen_movi_tl(t0, v2);
13748 gen_helper_dextp(cpu_gpr[ret], t0, v1_t, cpu_env);
13749 break;
13750 case OPC_DEXTPDP:
13751 tcg_gen_movi_tl(t0, v2);
13752 tcg_gen_movi_tl(t1, v1);
13753 gen_helper_dextpdp(cpu_gpr[ret], t0, t1, cpu_env);
13754 break;
13755 case OPC_DEXTPDPV:
13756 tcg_gen_movi_tl(t0, v2);
13757 gen_helper_dextpdp(cpu_gpr[ret], t0, v1_t, cpu_env);
13758 break;
13759 case OPC_DEXTR_L:
13760 tcg_gen_movi_tl(t0, v2);
13761 tcg_gen_movi_tl(t1, v1);
13762 gen_helper_dextr_l(cpu_gpr[ret], t0, t1, cpu_env);
13763 break;
13764 case OPC_DEXTR_R_L:
13765 tcg_gen_movi_tl(t0, v2);
13766 tcg_gen_movi_tl(t1, v1);
13767 gen_helper_dextr_r_l(cpu_gpr[ret], t0, t1, cpu_env);
13768 break;
13769 case OPC_DEXTR_RS_L:
13770 tcg_gen_movi_tl(t0, v2);
13771 tcg_gen_movi_tl(t1, v1);
13772 gen_helper_dextr_rs_l(cpu_gpr[ret], t0, t1, cpu_env);
13773 break;
13774 case OPC_DEXTR_W:
13775 tcg_gen_movi_tl(t0, v2);
13776 tcg_gen_movi_tl(t1, v1);
13777 gen_helper_dextr_w(cpu_gpr[ret], t0, t1, cpu_env);
13778 break;
13779 case OPC_DEXTR_R_W:
13780 tcg_gen_movi_tl(t0, v2);
13781 tcg_gen_movi_tl(t1, v1);
13782 gen_helper_dextr_r_w(cpu_gpr[ret], t0, t1, cpu_env);
13783 break;
13784 case OPC_DEXTR_RS_W:
13785 tcg_gen_movi_tl(t0, v2);
13786 tcg_gen_movi_tl(t1, v1);
13787 gen_helper_dextr_rs_w(cpu_gpr[ret], t0, t1, cpu_env);
13788 break;
13789 case OPC_DEXTR_S_H:
13790 tcg_gen_movi_tl(t0, v2);
13791 tcg_gen_movi_tl(t1, v1);
13792 gen_helper_dextr_s_h(cpu_gpr[ret], t0, t1, cpu_env);
13793 break;
13794 case OPC_DEXTRV_S_H:
13795 tcg_gen_movi_tl(t0, v2);
13796 gen_helper_dextr_s_h(cpu_gpr[ret], t0, v1_t, cpu_env);
13797 break;
13798 case OPC_DEXTRV_L:
13799 tcg_gen_movi_tl(t0, v2);
13800 gen_helper_dextr_l(cpu_gpr[ret], t0, v1_t, cpu_env);
13801 break;
13802 case OPC_DEXTRV_R_L:
13803 tcg_gen_movi_tl(t0, v2);
13804 gen_helper_dextr_r_l(cpu_gpr[ret], t0, v1_t, cpu_env);
13805 break;
13806 case OPC_DEXTRV_RS_L:
13807 tcg_gen_movi_tl(t0, v2);
13808 gen_helper_dextr_rs_l(cpu_gpr[ret], t0, v1_t, cpu_env);
13809 break;
13810 case OPC_DEXTRV_W:
13811 tcg_gen_movi_tl(t0, v2);
13812 gen_helper_dextr_w(cpu_gpr[ret], t0, v1_t, cpu_env);
13813 break;
13814 case OPC_DEXTRV_R_W:
13815 tcg_gen_movi_tl(t0, v2);
13816 gen_helper_dextr_r_w(cpu_gpr[ret], t0, v1_t, cpu_env);
13817 break;
13818 case OPC_DEXTRV_RS_W:
13819 tcg_gen_movi_tl(t0, v2);
13820 gen_helper_dextr_rs_w(cpu_gpr[ret], t0, v1_t, cpu_env);
13821 break;
13822 }
13823 break;
13824 #endif
13825 }
13826
13827 tcg_temp_free(t0);
13828 tcg_temp_free(t1);
13829 tcg_temp_free(v1_t);
13830 }
13831
13832 /* End MIPSDSP functions. */
13833
13834 static void decode_opc_special_r6(CPUMIPSState *env, DisasContext *ctx)
13835 {
13836 int rs, rt, rd, sa;
13837 uint32_t op1, op2;
13838
13839 rs = (ctx->opcode >> 21) & 0x1f;
13840 rt = (ctx->opcode >> 16) & 0x1f;
13841 rd = (ctx->opcode >> 11) & 0x1f;
13842 sa = (ctx->opcode >> 6) & 0x1f;
13843
13844 op1 = MASK_SPECIAL(ctx->opcode);
13845 switch (op1) {
13846 case OPC_MULT:
13847 case OPC_MULTU:
13848 case OPC_DIV:
13849 case OPC_DIVU:
13850 op2 = MASK_R6_MULDIV(ctx->opcode);
13851 switch (op2) {
13852 case R6_OPC_MUL:
13853 case R6_OPC_MUH:
13854 case R6_OPC_MULU:
13855 case R6_OPC_MUHU:
13856 case R6_OPC_DIV:
13857 case R6_OPC_MOD:
13858 case R6_OPC_DIVU:
13859 case R6_OPC_MODU:
13860 gen_r6_muldiv(ctx, op2, rd, rs, rt);
13861 break;
13862 default:
13863 MIPS_INVAL("special_r6 muldiv");
13864 gen_reserved_instruction(ctx);
13865 break;
13866 }
13867 break;
13868 case OPC_SELEQZ:
13869 case OPC_SELNEZ:
13870 gen_cond_move(ctx, op1, rd, rs, rt);
13871 break;
13872 case R6_OPC_CLO:
13873 case R6_OPC_CLZ:
13874 if (rt == 0 && sa == 1) {
13875 /*
13876 * Major opcode and function field is shared with preR6 MFHI/MTHI.
13877 * We need additionally to check other fields.
13878 */
13879 gen_cl(ctx, op1, rd, rs);
13880 } else {
13881 gen_reserved_instruction(ctx);
13882 }
13883 break;
13884 case R6_OPC_SDBBP:
13885 if (is_uhi(extract32(ctx->opcode, 6, 20))) {
13886 gen_helper_do_semihosting(cpu_env);
13887 } else {
13888 if (ctx->hflags & MIPS_HFLAG_SBRI) {
13889 gen_reserved_instruction(ctx);
13890 } else {
13891 generate_exception_end(ctx, EXCP_DBp);
13892 }
13893 }
13894 break;
13895 #if defined(TARGET_MIPS64)
13896 case R6_OPC_DCLO:
13897 case R6_OPC_DCLZ:
13898 if (rt == 0 && sa == 1) {
13899 /*
13900 * Major opcode and function field is shared with preR6 MFHI/MTHI.
13901 * We need additionally to check other fields.
13902 */
13903 check_mips_64(ctx);
13904 gen_cl(ctx, op1, rd, rs);
13905 } else {
13906 gen_reserved_instruction(ctx);
13907 }
13908 break;
13909 case OPC_DMULT:
13910 case OPC_DMULTU:
13911 case OPC_DDIV:
13912 case OPC_DDIVU:
13913
13914 op2 = MASK_R6_MULDIV(ctx->opcode);
13915 switch (op2) {
13916 case R6_OPC_DMUL:
13917 case R6_OPC_DMUH:
13918 case R6_OPC_DMULU:
13919 case R6_OPC_DMUHU:
13920 case R6_OPC_DDIV:
13921 case R6_OPC_DMOD:
13922 case R6_OPC_DDIVU:
13923 case R6_OPC_DMODU:
13924 check_mips_64(ctx);
13925 gen_r6_muldiv(ctx, op2, rd, rs, rt);
13926 break;
13927 default:
13928 MIPS_INVAL("special_r6 muldiv");
13929 gen_reserved_instruction(ctx);
13930 break;
13931 }
13932 break;
13933 #endif
13934 default: /* Invalid */
13935 MIPS_INVAL("special_r6");
13936 gen_reserved_instruction(ctx);
13937 break;
13938 }
13939 }
13940
13941 static void decode_opc_special_tx79(CPUMIPSState *env, DisasContext *ctx)
13942 {
13943 int rs = extract32(ctx->opcode, 21, 5);
13944 int rt = extract32(ctx->opcode, 16, 5);
13945 int rd = extract32(ctx->opcode, 11, 5);
13946 uint32_t op1 = MASK_SPECIAL(ctx->opcode);
13947
13948 switch (op1) {
13949 case OPC_MOVN: /* Conditional move */
13950 case OPC_MOVZ:
13951 gen_cond_move(ctx, op1, rd, rs, rt);
13952 break;
13953 case OPC_MFHI: /* Move from HI/LO */
13954 case OPC_MFLO:
13955 gen_HILO(ctx, op1, 0, rd);
13956 break;
13957 case OPC_MTHI:
13958 case OPC_MTLO: /* Move to HI/LO */
13959 gen_HILO(ctx, op1, 0, rs);
13960 break;
13961 case OPC_MULT:
13962 case OPC_MULTU:
13963 gen_mul_txx9(ctx, op1, rd, rs, rt);
13964 break;
13965 case OPC_DIV:
13966 case OPC_DIVU:
13967 gen_muldiv(ctx, op1, 0, rs, rt);
13968 break;
13969 #if defined(TARGET_MIPS64)
13970 case OPC_DMULT:
13971 case OPC_DMULTU:
13972 case OPC_DDIV:
13973 case OPC_DDIVU:
13974 check_insn_opc_user_only(ctx, INSN_R5900);
13975 gen_muldiv(ctx, op1, 0, rs, rt);
13976 break;
13977 #endif
13978 case OPC_JR:
13979 gen_compute_branch(ctx, op1, 4, rs, 0, 0, 4);
13980 break;
13981 default: /* Invalid */
13982 MIPS_INVAL("special_tx79");
13983 gen_reserved_instruction(ctx);
13984 break;
13985 }
13986 }
13987
13988 static void decode_opc_special_legacy(CPUMIPSState *env, DisasContext *ctx)
13989 {
13990 int rs, rt, rd;
13991 uint32_t op1;
13992
13993 rs = (ctx->opcode >> 21) & 0x1f;
13994 rt = (ctx->opcode >> 16) & 0x1f;
13995 rd = (ctx->opcode >> 11) & 0x1f;
13996
13997 op1 = MASK_SPECIAL(ctx->opcode);
13998 switch (op1) {
13999 case OPC_MOVN: /* Conditional move */
14000 case OPC_MOVZ:
14001 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1 |
14002 INSN_LOONGSON2E | INSN_LOONGSON2F);
14003 gen_cond_move(ctx, op1, rd, rs, rt);
14004 break;
14005 case OPC_MFHI: /* Move from HI/LO */
14006 case OPC_MFLO:
14007 gen_HILO(ctx, op1, rs & 3, rd);
14008 break;
14009 case OPC_MTHI:
14010 case OPC_MTLO: /* Move to HI/LO */
14011 gen_HILO(ctx, op1, rd & 3, rs);
14012 break;
14013 case OPC_MOVCI:
14014 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1);
14015 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
14016 check_cp1_enabled(ctx);
14017 gen_movci(ctx, rd, rs, (ctx->opcode >> 18) & 0x7,
14018 (ctx->opcode >> 16) & 1);
14019 } else {
14020 generate_exception_err(ctx, EXCP_CpU, 1);
14021 }
14022 break;
14023 case OPC_MULT:
14024 case OPC_MULTU:
14025 gen_muldiv(ctx, op1, rd & 3, rs, rt);
14026 break;
14027 case OPC_DIV:
14028 case OPC_DIVU:
14029 gen_muldiv(ctx, op1, 0, rs, rt);
14030 break;
14031 #if defined(TARGET_MIPS64)
14032 case OPC_DMULT:
14033 case OPC_DMULTU:
14034 case OPC_DDIV:
14035 case OPC_DDIVU:
14036 check_insn(ctx, ISA_MIPS3);
14037 check_mips_64(ctx);
14038 gen_muldiv(ctx, op1, 0, rs, rt);
14039 break;
14040 #endif
14041 case OPC_JR:
14042 gen_compute_branch(ctx, op1, 4, rs, 0, 0, 4);
14043 break;
14044 case OPC_SPIM:
14045 #ifdef MIPS_STRICT_STANDARD
14046 MIPS_INVAL("SPIM");
14047 gen_reserved_instruction(ctx);
14048 #else
14049 /* Implemented as RI exception for now. */
14050 MIPS_INVAL("spim (unofficial)");
14051 gen_reserved_instruction(ctx);
14052 #endif
14053 break;
14054 default: /* Invalid */
14055 MIPS_INVAL("special_legacy");
14056 gen_reserved_instruction(ctx);
14057 break;
14058 }
14059 }
14060
14061 static void decode_opc_special(CPUMIPSState *env, DisasContext *ctx)
14062 {
14063 int rs, rt, rd, sa;
14064 uint32_t op1;
14065
14066 rs = (ctx->opcode >> 21) & 0x1f;
14067 rt = (ctx->opcode >> 16) & 0x1f;
14068 rd = (ctx->opcode >> 11) & 0x1f;
14069 sa = (ctx->opcode >> 6) & 0x1f;
14070
14071 op1 = MASK_SPECIAL(ctx->opcode);
14072 switch (op1) {
14073 case OPC_SLL: /* Shift with immediate */
14074 if (sa == 5 && rd == 0 &&
14075 rs == 0 && rt == 0) { /* PAUSE */
14076 if ((ctx->insn_flags & ISA_MIPS_R6) &&
14077 (ctx->hflags & MIPS_HFLAG_BMASK)) {
14078 gen_reserved_instruction(ctx);
14079 break;
14080 }
14081 }
14082 /* Fallthrough */
14083 case OPC_SRA:
14084 gen_shift_imm(ctx, op1, rd, rt, sa);
14085 break;
14086 case OPC_SRL:
14087 switch ((ctx->opcode >> 21) & 0x1f) {
14088 case 1:
14089 /* rotr is decoded as srl on non-R2 CPUs */
14090 if (ctx->insn_flags & ISA_MIPS_R2) {
14091 op1 = OPC_ROTR;
14092 }
14093 /* Fallthrough */
14094 case 0:
14095 gen_shift_imm(ctx, op1, rd, rt, sa);
14096 break;
14097 default:
14098 gen_reserved_instruction(ctx);
14099 break;
14100 }
14101 break;
14102 case OPC_ADD:
14103 case OPC_ADDU:
14104 case OPC_SUB:
14105 case OPC_SUBU:
14106 gen_arith(ctx, op1, rd, rs, rt);
14107 break;
14108 case OPC_SLLV: /* Shifts */
14109 case OPC_SRAV:
14110 gen_shift(ctx, op1, rd, rs, rt);
14111 break;
14112 case OPC_SRLV:
14113 switch ((ctx->opcode >> 6) & 0x1f) {
14114 case 1:
14115 /* rotrv is decoded as srlv on non-R2 CPUs */
14116 if (ctx->insn_flags & ISA_MIPS_R2) {
14117 op1 = OPC_ROTRV;
14118 }
14119 /* Fallthrough */
14120 case 0:
14121 gen_shift(ctx, op1, rd, rs, rt);
14122 break;
14123 default:
14124 gen_reserved_instruction(ctx);
14125 break;
14126 }
14127 break;
14128 case OPC_SLT: /* Set on less than */
14129 case OPC_SLTU:
14130 gen_slt(ctx, op1, rd, rs, rt);
14131 break;
14132 case OPC_AND: /* Logic*/
14133 case OPC_OR:
14134 case OPC_NOR:
14135 case OPC_XOR:
14136 gen_logic(ctx, op1, rd, rs, rt);
14137 break;
14138 case OPC_JALR:
14139 gen_compute_branch(ctx, op1, 4, rs, rd, sa, 4);
14140 break;
14141 case OPC_TGE: /* Traps */
14142 case OPC_TGEU:
14143 case OPC_TLT:
14144 case OPC_TLTU:
14145 case OPC_TEQ:
14146 case OPC_TNE:
14147 check_insn(ctx, ISA_MIPS2);
14148 gen_trap(ctx, op1, rs, rt, -1);
14149 break;
14150 case OPC_PMON:
14151 /* Pmon entry point, also R4010 selsl */
14152 #ifdef MIPS_STRICT_STANDARD
14153 MIPS_INVAL("PMON / selsl");
14154 gen_reserved_instruction(ctx);
14155 #else
14156 gen_helper_pmon(cpu_env, tcg_constant_i32(sa));
14157 #endif
14158 break;
14159 case OPC_SYSCALL:
14160 generate_exception_end(ctx, EXCP_SYSCALL);
14161 break;
14162 case OPC_BREAK:
14163 generate_exception_end(ctx, EXCP_BREAK);
14164 break;
14165 case OPC_SYNC:
14166 check_insn(ctx, ISA_MIPS2);
14167 gen_sync(extract32(ctx->opcode, 6, 5));
14168 break;
14169
14170 #if defined(TARGET_MIPS64)
14171 /* MIPS64 specific opcodes */
14172 case OPC_DSLL:
14173 case OPC_DSRA:
14174 case OPC_DSLL32:
14175 case OPC_DSRA32:
14176 check_insn(ctx, ISA_MIPS3);
14177 check_mips_64(ctx);
14178 gen_shift_imm(ctx, op1, rd, rt, sa);
14179 break;
14180 case OPC_DSRL:
14181 switch ((ctx->opcode >> 21) & 0x1f) {
14182 case 1:
14183 /* drotr is decoded as dsrl on non-R2 CPUs */
14184 if (ctx->insn_flags & ISA_MIPS_R2) {
14185 op1 = OPC_DROTR;
14186 }
14187 /* Fallthrough */
14188 case 0:
14189 check_insn(ctx, ISA_MIPS3);
14190 check_mips_64(ctx);
14191 gen_shift_imm(ctx, op1, rd, rt, sa);
14192 break;
14193 default:
14194 gen_reserved_instruction(ctx);
14195 break;
14196 }
14197 break;
14198 case OPC_DSRL32:
14199 switch ((ctx->opcode >> 21) & 0x1f) {
14200 case 1:
14201 /* drotr32 is decoded as dsrl32 on non-R2 CPUs */
14202 if (ctx->insn_flags & ISA_MIPS_R2) {
14203 op1 = OPC_DROTR32;
14204 }
14205 /* Fallthrough */
14206 case 0:
14207 check_insn(ctx, ISA_MIPS3);
14208 check_mips_64(ctx);
14209 gen_shift_imm(ctx, op1, rd, rt, sa);
14210 break;
14211 default:
14212 gen_reserved_instruction(ctx);
14213 break;
14214 }
14215 break;
14216 case OPC_DADD:
14217 case OPC_DADDU:
14218 case OPC_DSUB:
14219 case OPC_DSUBU:
14220 check_insn(ctx, ISA_MIPS3);
14221 check_mips_64(ctx);
14222 gen_arith(ctx, op1, rd, rs, rt);
14223 break;
14224 case OPC_DSLLV:
14225 case OPC_DSRAV:
14226 check_insn(ctx, ISA_MIPS3);
14227 check_mips_64(ctx);
14228 gen_shift(ctx, op1, rd, rs, rt);
14229 break;
14230 case OPC_DSRLV:
14231 switch ((ctx->opcode >> 6) & 0x1f) {
14232 case 1:
14233 /* drotrv is decoded as dsrlv on non-R2 CPUs */
14234 if (ctx->insn_flags & ISA_MIPS_R2) {
14235 op1 = OPC_DROTRV;
14236 }
14237 /* Fallthrough */
14238 case 0:
14239 check_insn(ctx, ISA_MIPS3);
14240 check_mips_64(ctx);
14241 gen_shift(ctx, op1, rd, rs, rt);
14242 break;
14243 default:
14244 gen_reserved_instruction(ctx);
14245 break;
14246 }
14247 break;
14248 #endif
14249 default:
14250 if (ctx->insn_flags & ISA_MIPS_R6) {
14251 decode_opc_special_r6(env, ctx);
14252 } else if (ctx->insn_flags & INSN_R5900) {
14253 decode_opc_special_tx79(env, ctx);
14254 } else {
14255 decode_opc_special_legacy(env, ctx);
14256 }
14257 }
14258 }
14259
14260
14261 static void decode_opc_special2_legacy(CPUMIPSState *env, DisasContext *ctx)
14262 {
14263 int rs, rt, rd;
14264 uint32_t op1;
14265
14266 rs = (ctx->opcode >> 21) & 0x1f;
14267 rt = (ctx->opcode >> 16) & 0x1f;
14268 rd = (ctx->opcode >> 11) & 0x1f;
14269
14270 op1 = MASK_SPECIAL2(ctx->opcode);
14271 switch (op1) {
14272 case OPC_MADD: /* Multiply and add/sub */
14273 case OPC_MADDU:
14274 case OPC_MSUB:
14275 case OPC_MSUBU:
14276 check_insn(ctx, ISA_MIPS_R1);
14277 gen_muldiv(ctx, op1, rd & 3, rs, rt);
14278 break;
14279 case OPC_MUL:
14280 gen_arith(ctx, op1, rd, rs, rt);
14281 break;
14282 case OPC_DIV_G_2F:
14283 case OPC_DIVU_G_2F:
14284 case OPC_MULT_G_2F:
14285 case OPC_MULTU_G_2F:
14286 case OPC_MOD_G_2F:
14287 case OPC_MODU_G_2F:
14288 check_insn(ctx, INSN_LOONGSON2F | ASE_LEXT);
14289 gen_loongson_integer(ctx, op1, rd, rs, rt);
14290 break;
14291 case OPC_CLO:
14292 case OPC_CLZ:
14293 check_insn(ctx, ISA_MIPS_R1);
14294 gen_cl(ctx, op1, rd, rs);
14295 break;
14296 case OPC_SDBBP:
14297 if (is_uhi(extract32(ctx->opcode, 6, 20))) {
14298 gen_helper_do_semihosting(cpu_env);
14299 } else {
14300 /*
14301 * XXX: not clear which exception should be raised
14302 * when in debug mode...
14303 */
14304 check_insn(ctx, ISA_MIPS_R1);
14305 generate_exception_end(ctx, EXCP_DBp);
14306 }
14307 break;
14308 #if defined(TARGET_MIPS64)
14309 case OPC_DCLO:
14310 case OPC_DCLZ:
14311 check_insn(ctx, ISA_MIPS_R1);
14312 check_mips_64(ctx);
14313 gen_cl(ctx, op1, rd, rs);
14314 break;
14315 case OPC_DMULT_G_2F:
14316 case OPC_DMULTU_G_2F:
14317 case OPC_DDIV_G_2F:
14318 case OPC_DDIVU_G_2F:
14319 case OPC_DMOD_G_2F:
14320 case OPC_DMODU_G_2F:
14321 check_insn(ctx, INSN_LOONGSON2F | ASE_LEXT);
14322 gen_loongson_integer(ctx, op1, rd, rs, rt);
14323 break;
14324 #endif
14325 default: /* Invalid */
14326 MIPS_INVAL("special2_legacy");
14327 gen_reserved_instruction(ctx);
14328 break;
14329 }
14330 }
14331
14332 static void decode_opc_special3_r6(CPUMIPSState *env, DisasContext *ctx)
14333 {
14334 int rs, rt, rd, sa;
14335 uint32_t op1, op2;
14336 int16_t imm;
14337
14338 rs = (ctx->opcode >> 21) & 0x1f;
14339 rt = (ctx->opcode >> 16) & 0x1f;
14340 rd = (ctx->opcode >> 11) & 0x1f;
14341 sa = (ctx->opcode >> 6) & 0x1f;
14342 imm = (int16_t)ctx->opcode >> 7;
14343
14344 op1 = MASK_SPECIAL3(ctx->opcode);
14345 switch (op1) {
14346 case R6_OPC_PREF:
14347 if (rt >= 24) {
14348 /* hint codes 24-31 are reserved and signal RI */
14349 gen_reserved_instruction(ctx);
14350 }
14351 /* Treat as NOP. */
14352 break;
14353 case R6_OPC_CACHE:
14354 check_cp0_enabled(ctx);
14355 if (ctx->hflags & MIPS_HFLAG_ITC_CACHE) {
14356 gen_cache_operation(ctx, rt, rs, imm);
14357 }
14358 break;
14359 case R6_OPC_SC:
14360 gen_st_cond(ctx, rt, rs, imm, MO_TESL, false);
14361 break;
14362 case R6_OPC_LL:
14363 gen_ld(ctx, op1, rt, rs, imm);
14364 break;
14365 case OPC_BSHFL:
14366 {
14367 if (rd == 0) {
14368 /* Treat as NOP. */
14369 break;
14370 }
14371 op2 = MASK_BSHFL(ctx->opcode);
14372 switch (op2) {
14373 case OPC_ALIGN:
14374 case OPC_ALIGN_1:
14375 case OPC_ALIGN_2:
14376 case OPC_ALIGN_3:
14377 gen_align(ctx, 32, rd, rs, rt, sa & 3);
14378 break;
14379 case OPC_BITSWAP:
14380 gen_bitswap(ctx, op2, rd, rt);
14381 break;
14382 }
14383 }
14384 break;
14385 #ifndef CONFIG_USER_ONLY
14386 case OPC_GINV:
14387 if (unlikely(ctx->gi <= 1)) {
14388 gen_reserved_instruction(ctx);
14389 }
14390 check_cp0_enabled(ctx);
14391 switch ((ctx->opcode >> 6) & 3) {
14392 case 0: /* GINVI */
14393 /* Treat as NOP. */
14394 break;
14395 case 2: /* GINVT */
14396 gen_helper_0e1i(ginvt, cpu_gpr[rs], extract32(ctx->opcode, 8, 2));
14397 break;
14398 default:
14399 gen_reserved_instruction(ctx);
14400 break;
14401 }
14402 break;
14403 #endif
14404 #if defined(TARGET_MIPS64)
14405 case R6_OPC_SCD:
14406 gen_st_cond(ctx, rt, rs, imm, MO_TEQ, false);
14407 break;
14408 case R6_OPC_LLD:
14409 gen_ld(ctx, op1, rt, rs, imm);
14410 break;
14411 case OPC_DBSHFL:
14412 check_mips_64(ctx);
14413 {
14414 if (rd == 0) {
14415 /* Treat as NOP. */
14416 break;
14417 }
14418 op2 = MASK_DBSHFL(ctx->opcode);
14419 switch (op2) {
14420 case OPC_DALIGN:
14421 case OPC_DALIGN_1:
14422 case OPC_DALIGN_2:
14423 case OPC_DALIGN_3:
14424 case OPC_DALIGN_4:
14425 case OPC_DALIGN_5:
14426 case OPC_DALIGN_6:
14427 case OPC_DALIGN_7:
14428 gen_align(ctx, 64, rd, rs, rt, sa & 7);
14429 break;
14430 case OPC_DBITSWAP:
14431 gen_bitswap(ctx, op2, rd, rt);
14432 break;
14433 }
14434
14435 }
14436 break;
14437 #endif
14438 default: /* Invalid */
14439 MIPS_INVAL("special3_r6");
14440 gen_reserved_instruction(ctx);
14441 break;
14442 }
14443 }
14444
14445 static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx)
14446 {
14447 int rs, rt, rd;
14448 uint32_t op1, op2;
14449
14450 rs = (ctx->opcode >> 21) & 0x1f;
14451 rt = (ctx->opcode >> 16) & 0x1f;
14452 rd = (ctx->opcode >> 11) & 0x1f;
14453
14454 op1 = MASK_SPECIAL3(ctx->opcode);
14455 switch (op1) {
14456 case OPC_DIV_G_2E:
14457 case OPC_DIVU_G_2E:
14458 case OPC_MOD_G_2E:
14459 case OPC_MODU_G_2E:
14460 case OPC_MULT_G_2E:
14461 case OPC_MULTU_G_2E:
14462 /*
14463 * OPC_MULT_G_2E, OPC_ADDUH_QB_DSP, OPC_MUL_PH_DSP have
14464 * the same mask and op1.
14465 */
14466 if ((ctx->insn_flags & ASE_DSP_R2) && (op1 == OPC_MULT_G_2E)) {
14467 op2 = MASK_ADDUH_QB(ctx->opcode);
14468 switch (op2) {
14469 case OPC_ADDUH_QB:
14470 case OPC_ADDUH_R_QB:
14471 case OPC_ADDQH_PH:
14472 case OPC_ADDQH_R_PH:
14473 case OPC_ADDQH_W:
14474 case OPC_ADDQH_R_W:
14475 case OPC_SUBUH_QB:
14476 case OPC_SUBUH_R_QB:
14477 case OPC_SUBQH_PH:
14478 case OPC_SUBQH_R_PH:
14479 case OPC_SUBQH_W:
14480 case OPC_SUBQH_R_W:
14481 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
14482 break;
14483 case OPC_MUL_PH:
14484 case OPC_MUL_S_PH:
14485 case OPC_MULQ_S_W:
14486 case OPC_MULQ_RS_W:
14487 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 1);
14488 break;
14489 default:
14490 MIPS_INVAL("MASK ADDUH.QB");
14491 gen_reserved_instruction(ctx);
14492 break;
14493 }
14494 } else if (ctx->insn_flags & INSN_LOONGSON2E) {
14495 gen_loongson_integer(ctx, op1, rd, rs, rt);
14496 } else {
14497 gen_reserved_instruction(ctx);
14498 }
14499 break;
14500 case OPC_LX_DSP:
14501 op2 = MASK_LX(ctx->opcode);
14502 switch (op2) {
14503 #if defined(TARGET_MIPS64)
14504 case OPC_LDX:
14505 #endif
14506 case OPC_LBUX:
14507 case OPC_LHX:
14508 case OPC_LWX:
14509 gen_mipsdsp_ld(ctx, op2, rd, rs, rt);
14510 break;
14511 default: /* Invalid */
14512 MIPS_INVAL("MASK LX");
14513 gen_reserved_instruction(ctx);
14514 break;
14515 }
14516 break;
14517 case OPC_ABSQ_S_PH_DSP:
14518 op2 = MASK_ABSQ_S_PH(ctx->opcode);
14519 switch (op2) {
14520 case OPC_ABSQ_S_QB:
14521 case OPC_ABSQ_S_PH:
14522 case OPC_ABSQ_S_W:
14523 case OPC_PRECEQ_W_PHL:
14524 case OPC_PRECEQ_W_PHR:
14525 case OPC_PRECEQU_PH_QBL:
14526 case OPC_PRECEQU_PH_QBR:
14527 case OPC_PRECEQU_PH_QBLA:
14528 case OPC_PRECEQU_PH_QBRA:
14529 case OPC_PRECEU_PH_QBL:
14530 case OPC_PRECEU_PH_QBR:
14531 case OPC_PRECEU_PH_QBLA:
14532 case OPC_PRECEU_PH_QBRA:
14533 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
14534 break;
14535 case OPC_BITREV:
14536 case OPC_REPL_QB:
14537 case OPC_REPLV_QB:
14538 case OPC_REPL_PH:
14539 case OPC_REPLV_PH:
14540 gen_mipsdsp_bitinsn(ctx, op1, op2, rd, rt);
14541 break;
14542 default:
14543 MIPS_INVAL("MASK ABSQ_S.PH");
14544 gen_reserved_instruction(ctx);
14545 break;
14546 }
14547 break;
14548 case OPC_ADDU_QB_DSP:
14549 op2 = MASK_ADDU_QB(ctx->opcode);
14550 switch (op2) {
14551 case OPC_ADDQ_PH:
14552 case OPC_ADDQ_S_PH:
14553 case OPC_ADDQ_S_W:
14554 case OPC_ADDU_QB:
14555 case OPC_ADDU_S_QB:
14556 case OPC_ADDU_PH:
14557 case OPC_ADDU_S_PH:
14558 case OPC_SUBQ_PH:
14559 case OPC_SUBQ_S_PH:
14560 case OPC_SUBQ_S_W:
14561 case OPC_SUBU_QB:
14562 case OPC_SUBU_S_QB:
14563 case OPC_SUBU_PH:
14564 case OPC_SUBU_S_PH:
14565 case OPC_ADDSC:
14566 case OPC_ADDWC:
14567 case OPC_MODSUB:
14568 case OPC_RADDU_W_QB:
14569 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
14570 break;
14571 case OPC_MULEU_S_PH_QBL:
14572 case OPC_MULEU_S_PH_QBR:
14573 case OPC_MULQ_RS_PH:
14574 case OPC_MULEQ_S_W_PHL:
14575 case OPC_MULEQ_S_W_PHR:
14576 case OPC_MULQ_S_PH:
14577 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 1);
14578 break;
14579 default: /* Invalid */
14580 MIPS_INVAL("MASK ADDU.QB");
14581 gen_reserved_instruction(ctx);
14582 break;
14583
14584 }
14585 break;
14586 case OPC_CMPU_EQ_QB_DSP:
14587 op2 = MASK_CMPU_EQ_QB(ctx->opcode);
14588 switch (op2) {
14589 case OPC_PRECR_SRA_PH_W:
14590 case OPC_PRECR_SRA_R_PH_W:
14591 gen_mipsdsp_arith(ctx, op1, op2, rt, rs, rd);
14592 break;
14593 case OPC_PRECR_QB_PH:
14594 case OPC_PRECRQ_QB_PH:
14595 case OPC_PRECRQ_PH_W:
14596 case OPC_PRECRQ_RS_PH_W:
14597 case OPC_PRECRQU_S_QB_PH:
14598 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
14599 break;
14600 case OPC_CMPU_EQ_QB:
14601 case OPC_CMPU_LT_QB:
14602 case OPC_CMPU_LE_QB:
14603 case OPC_CMP_EQ_PH:
14604 case OPC_CMP_LT_PH:
14605 case OPC_CMP_LE_PH:
14606 gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 0);
14607 break;
14608 case OPC_CMPGU_EQ_QB:
14609 case OPC_CMPGU_LT_QB:
14610 case OPC_CMPGU_LE_QB:
14611 case OPC_CMPGDU_EQ_QB:
14612 case OPC_CMPGDU_LT_QB:
14613 case OPC_CMPGDU_LE_QB:
14614 case OPC_PICK_QB:
14615 case OPC_PICK_PH:
14616 case OPC_PACKRL_PH:
14617 gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 1);
14618 break;
14619 default: /* Invalid */
14620 MIPS_INVAL("MASK CMPU.EQ.QB");
14621 gen_reserved_instruction(ctx);
14622 break;
14623 }
14624 break;
14625 case OPC_SHLL_QB_DSP:
14626 gen_mipsdsp_shift(ctx, op1, rd, rs, rt);
14627 break;
14628 case OPC_DPA_W_PH_DSP:
14629 op2 = MASK_DPA_W_PH(ctx->opcode);
14630 switch (op2) {
14631 case OPC_DPAU_H_QBL:
14632 case OPC_DPAU_H_QBR:
14633 case OPC_DPSU_H_QBL:
14634 case OPC_DPSU_H_QBR:
14635 case OPC_DPA_W_PH:
14636 case OPC_DPAX_W_PH:
14637 case OPC_DPAQ_S_W_PH:
14638 case OPC_DPAQX_S_W_PH:
14639 case OPC_DPAQX_SA_W_PH:
14640 case OPC_DPS_W_PH:
14641 case OPC_DPSX_W_PH:
14642 case OPC_DPSQ_S_W_PH:
14643 case OPC_DPSQX_S_W_PH:
14644 case OPC_DPSQX_SA_W_PH:
14645 case OPC_MULSAQ_S_W_PH:
14646 case OPC_DPAQ_SA_L_W:
14647 case OPC_DPSQ_SA_L_W:
14648 case OPC_MAQ_S_W_PHL:
14649 case OPC_MAQ_S_W_PHR:
14650 case OPC_MAQ_SA_W_PHL:
14651 case OPC_MAQ_SA_W_PHR:
14652 case OPC_MULSA_W_PH:
14653 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 0);
14654 break;
14655 default: /* Invalid */
14656 MIPS_INVAL("MASK DPAW.PH");
14657 gen_reserved_instruction(ctx);
14658 break;
14659 }
14660 break;
14661 case OPC_INSV_DSP:
14662 op2 = MASK_INSV(ctx->opcode);
14663 switch (op2) {
14664 case OPC_INSV:
14665 check_dsp(ctx);
14666 {
14667 TCGv t0, t1;
14668
14669 if (rt == 0) {
14670 break;
14671 }
14672
14673 t0 = tcg_temp_new();
14674 t1 = tcg_temp_new();
14675
14676 gen_load_gpr(t0, rt);
14677 gen_load_gpr(t1, rs);
14678
14679 gen_helper_insv(cpu_gpr[rt], cpu_env, t1, t0);
14680
14681 tcg_temp_free(t0);
14682 tcg_temp_free(t1);
14683 break;
14684 }
14685 default: /* Invalid */
14686 MIPS_INVAL("MASK INSV");
14687 gen_reserved_instruction(ctx);
14688 break;
14689 }
14690 break;
14691 case OPC_APPEND_DSP:
14692 gen_mipsdsp_append(env, ctx, op1, rt, rs, rd);
14693 break;
14694 case OPC_EXTR_W_DSP:
14695 op2 = MASK_EXTR_W(ctx->opcode);
14696 switch (op2) {
14697 case OPC_EXTR_W:
14698 case OPC_EXTR_R_W:
14699 case OPC_EXTR_RS_W:
14700 case OPC_EXTR_S_H:
14701 case OPC_EXTRV_S_H:
14702 case OPC_EXTRV_W:
14703 case OPC_EXTRV_R_W:
14704 case OPC_EXTRV_RS_W:
14705 case OPC_EXTP:
14706 case OPC_EXTPV:
14707 case OPC_EXTPDP:
14708 case OPC_EXTPDPV:
14709 gen_mipsdsp_accinsn(ctx, op1, op2, rt, rs, rd, 1);
14710 break;
14711 case OPC_RDDSP:
14712 gen_mipsdsp_accinsn(ctx, op1, op2, rd, rs, rt, 1);
14713 break;
14714 case OPC_SHILO:
14715 case OPC_SHILOV:
14716 case OPC_MTHLIP:
14717 case OPC_WRDSP:
14718 gen_mipsdsp_accinsn(ctx, op1, op2, rd, rs, rt, 0);
14719 break;
14720 default: /* Invalid */
14721 MIPS_INVAL("MASK EXTR.W");
14722 gen_reserved_instruction(ctx);
14723 break;
14724 }
14725 break;
14726 #if defined(TARGET_MIPS64)
14727 case OPC_DDIV_G_2E:
14728 case OPC_DDIVU_G_2E:
14729 case OPC_DMULT_G_2E:
14730 case OPC_DMULTU_G_2E:
14731 case OPC_DMOD_G_2E:
14732 case OPC_DMODU_G_2E:
14733 check_insn(ctx, INSN_LOONGSON2E);
14734 gen_loongson_integer(ctx, op1, rd, rs, rt);
14735 break;
14736 case OPC_ABSQ_S_QH_DSP:
14737 op2 = MASK_ABSQ_S_QH(ctx->opcode);
14738 switch (op2) {
14739 case OPC_PRECEQ_L_PWL:
14740 case OPC_PRECEQ_L_PWR:
14741 case OPC_PRECEQ_PW_QHL:
14742 case OPC_PRECEQ_PW_QHR:
14743 case OPC_PRECEQ_PW_QHLA:
14744 case OPC_PRECEQ_PW_QHRA:
14745 case OPC_PRECEQU_QH_OBL:
14746 case OPC_PRECEQU_QH_OBR:
14747 case OPC_PRECEQU_QH_OBLA:
14748 case OPC_PRECEQU_QH_OBRA:
14749 case OPC_PRECEU_QH_OBL:
14750 case OPC_PRECEU_QH_OBR:
14751 case OPC_PRECEU_QH_OBLA:
14752 case OPC_PRECEU_QH_OBRA:
14753 case OPC_ABSQ_S_OB:
14754 case OPC_ABSQ_S_PW:
14755 case OPC_ABSQ_S_QH:
14756 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
14757 break;
14758 case OPC_REPL_OB:
14759 case OPC_REPL_PW:
14760 case OPC_REPL_QH:
14761 case OPC_REPLV_OB:
14762 case OPC_REPLV_PW:
14763 case OPC_REPLV_QH:
14764 gen_mipsdsp_bitinsn(ctx, op1, op2, rd, rt);
14765 break;
14766 default: /* Invalid */
14767 MIPS_INVAL("MASK ABSQ_S.QH");
14768 gen_reserved_instruction(ctx);
14769 break;
14770 }
14771 break;
14772 case OPC_ADDU_OB_DSP:
14773 op2 = MASK_ADDU_OB(ctx->opcode);
14774 switch (op2) {
14775 case OPC_RADDU_L_OB:
14776 case OPC_SUBQ_PW:
14777 case OPC_SUBQ_S_PW:
14778 case OPC_SUBQ_QH:
14779 case OPC_SUBQ_S_QH:
14780 case OPC_SUBU_OB:
14781 case OPC_SUBU_S_OB:
14782 case OPC_SUBU_QH:
14783 case OPC_SUBU_S_QH:
14784 case OPC_SUBUH_OB:
14785 case OPC_SUBUH_R_OB:
14786 case OPC_ADDQ_PW:
14787 case OPC_ADDQ_S_PW:
14788 case OPC_ADDQ_QH:
14789 case OPC_ADDQ_S_QH:
14790 case OPC_ADDU_OB:
14791 case OPC_ADDU_S_OB:
14792 case OPC_ADDU_QH:
14793 case OPC_ADDU_S_QH:
14794 case OPC_ADDUH_OB:
14795 case OPC_ADDUH_R_OB:
14796 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
14797 break;
14798 case OPC_MULEQ_S_PW_QHL:
14799 case OPC_MULEQ_S_PW_QHR:
14800 case OPC_MULEU_S_QH_OBL:
14801 case OPC_MULEU_S_QH_OBR:
14802 case OPC_MULQ_RS_QH:
14803 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 1);
14804 break;
14805 default: /* Invalid */
14806 MIPS_INVAL("MASK ADDU.OB");
14807 gen_reserved_instruction(ctx);
14808 break;
14809 }
14810 break;
14811 case OPC_CMPU_EQ_OB_DSP:
14812 op2 = MASK_CMPU_EQ_OB(ctx->opcode);
14813 switch (op2) {
14814 case OPC_PRECR_SRA_QH_PW:
14815 case OPC_PRECR_SRA_R_QH_PW:
14816 /* Return value is rt. */
14817 gen_mipsdsp_arith(ctx, op1, op2, rt, rs, rd);
14818 break;
14819 case OPC_PRECR_OB_QH:
14820 case OPC_PRECRQ_OB_QH:
14821 case OPC_PRECRQ_PW_L:
14822 case OPC_PRECRQ_QH_PW:
14823 case OPC_PRECRQ_RS_QH_PW:
14824 case OPC_PRECRQU_S_OB_QH:
14825 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
14826 break;
14827 case OPC_CMPU_EQ_OB:
14828 case OPC_CMPU_LT_OB:
14829 case OPC_CMPU_LE_OB:
14830 case OPC_CMP_EQ_QH:
14831 case OPC_CMP_LT_QH:
14832 case OPC_CMP_LE_QH:
14833 case OPC_CMP_EQ_PW:
14834 case OPC_CMP_LT_PW:
14835 case OPC_CMP_LE_PW:
14836 gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 0);
14837 break;
14838 case OPC_CMPGDU_EQ_OB:
14839 case OPC_CMPGDU_LT_OB:
14840 case OPC_CMPGDU_LE_OB:
14841 case OPC_CMPGU_EQ_OB:
14842 case OPC_CMPGU_LT_OB:
14843 case OPC_CMPGU_LE_OB:
14844 case OPC_PACKRL_PW:
14845 case OPC_PICK_OB:
14846 case OPC_PICK_PW:
14847 case OPC_PICK_QH:
14848 gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 1);
14849 break;
14850 default: /* Invalid */
14851 MIPS_INVAL("MASK CMPU_EQ.OB");
14852 gen_reserved_instruction(ctx);
14853 break;
14854 }
14855 break;
14856 case OPC_DAPPEND_DSP:
14857 gen_mipsdsp_append(env, ctx, op1, rt, rs, rd);
14858 break;
14859 case OPC_DEXTR_W_DSP:
14860 op2 = MASK_DEXTR_W(ctx->opcode);
14861 switch (op2) {
14862 case OPC_DEXTP:
14863 case OPC_DEXTPDP:
14864 case OPC_DEXTPDPV:
14865 case OPC_DEXTPV:
14866 case OPC_DEXTR_L:
14867 case OPC_DEXTR_R_L:
14868 case OPC_DEXTR_RS_L:
14869 case OPC_DEXTR_W:
14870 case OPC_DEXTR_R_W:
14871 case OPC_DEXTR_RS_W:
14872 case OPC_DEXTR_S_H:
14873 case OPC_DEXTRV_L:
14874 case OPC_DEXTRV_R_L:
14875 case OPC_DEXTRV_RS_L:
14876 case OPC_DEXTRV_S_H:
14877 case OPC_DEXTRV_W:
14878 case OPC_DEXTRV_R_W:
14879 case OPC_DEXTRV_RS_W:
14880 gen_mipsdsp_accinsn(ctx, op1, op2, rt, rs, rd, 1);
14881 break;
14882 case OPC_DMTHLIP:
14883 case OPC_DSHILO:
14884 case OPC_DSHILOV:
14885 gen_mipsdsp_accinsn(ctx, op1, op2, rd, rs, rt, 0);
14886 break;
14887 default: /* Invalid */
14888 MIPS_INVAL("MASK EXTR.W");
14889 gen_reserved_instruction(ctx);
14890 break;
14891 }
14892 break;
14893 case OPC_DPAQ_W_QH_DSP:
14894 op2 = MASK_DPAQ_W_QH(ctx->opcode);
14895 switch (op2) {
14896 case OPC_DPAU_H_OBL:
14897 case OPC_DPAU_H_OBR:
14898 case OPC_DPSU_H_OBL:
14899 case OPC_DPSU_H_OBR:
14900 case OPC_DPA_W_QH:
14901 case OPC_DPAQ_S_W_QH:
14902 case OPC_DPS_W_QH:
14903 case OPC_DPSQ_S_W_QH:
14904 case OPC_MULSAQ_S_W_QH:
14905 case OPC_DPAQ_SA_L_PW:
14906 case OPC_DPSQ_SA_L_PW:
14907 case OPC_MULSAQ_S_L_PW:
14908 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 0);
14909 break;
14910 case OPC_MAQ_S_W_QHLL:
14911 case OPC_MAQ_S_W_QHLR:
14912 case OPC_MAQ_S_W_QHRL:
14913 case OPC_MAQ_S_W_QHRR:
14914 case OPC_MAQ_SA_W_QHLL:
14915 case OPC_MAQ_SA_W_QHLR:
14916 case OPC_MAQ_SA_W_QHRL:
14917 case OPC_MAQ_SA_W_QHRR:
14918 case OPC_MAQ_S_L_PWL:
14919 case OPC_MAQ_S_L_PWR:
14920 case OPC_DMADD:
14921 case OPC_DMADDU:
14922 case OPC_DMSUB:
14923 case OPC_DMSUBU:
14924 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 0);
14925 break;
14926 default: /* Invalid */
14927 MIPS_INVAL("MASK DPAQ.W.QH");
14928 gen_reserved_instruction(ctx);
14929 break;
14930 }
14931 break;
14932 case OPC_DINSV_DSP:
14933 op2 = MASK_INSV(ctx->opcode);
14934 switch (op2) {
14935 case OPC_DINSV:
14936 {
14937 TCGv t0, t1;
14938
14939 check_dsp(ctx);
14940
14941 if (rt == 0) {
14942 break;
14943 }
14944
14945 t0 = tcg_temp_new();
14946 t1 = tcg_temp_new();
14947
14948 gen_load_gpr(t0, rt);
14949 gen_load_gpr(t1, rs);
14950
14951 gen_helper_dinsv(cpu_gpr[rt], cpu_env, t1, t0);
14952
14953 tcg_temp_free(t0);
14954 tcg_temp_free(t1);
14955 break;
14956 }
14957 default: /* Invalid */
14958 MIPS_INVAL("MASK DINSV");
14959 gen_reserved_instruction(ctx);
14960 break;
14961 }
14962 break;
14963 case OPC_SHLL_OB_DSP:
14964 gen_mipsdsp_shift(ctx, op1, rd, rs, rt);
14965 break;
14966 #endif
14967 default: /* Invalid */
14968 MIPS_INVAL("special3_legacy");
14969 gen_reserved_instruction(ctx);
14970 break;
14971 }
14972 }
14973
14974
14975 #if defined(TARGET_MIPS64)
14976
14977 static void decode_mmi(CPUMIPSState *env, DisasContext *ctx)
14978 {
14979 uint32_t opc = MASK_MMI(ctx->opcode);
14980 int rs = extract32(ctx->opcode, 21, 5);
14981 int rt = extract32(ctx->opcode, 16, 5);
14982 int rd = extract32(ctx->opcode, 11, 5);
14983
14984 switch (opc) {
14985 case MMI_OPC_MULT1:
14986 case MMI_OPC_MULTU1:
14987 case MMI_OPC_MADD:
14988 case MMI_OPC_MADDU:
14989 case MMI_OPC_MADD1:
14990 case MMI_OPC_MADDU1:
14991 gen_mul_txx9(ctx, opc, rd, rs, rt);
14992 break;
14993 case MMI_OPC_DIV1:
14994 case MMI_OPC_DIVU1:
14995 gen_div1_tx79(ctx, opc, rs, rt);
14996 break;
14997 default:
14998 MIPS_INVAL("TX79 MMI class");
14999 gen_reserved_instruction(ctx);
15000 break;
15001 }
15002 }
15003
15004 static void gen_mmi_sq(DisasContext *ctx, int base, int rt, int offset)
15005 {
15006 gen_reserved_instruction(ctx); /* TODO: MMI_OPC_SQ */
15007 }
15008
15009 /*
15010 * The TX79-specific instruction Store Quadword
15011 *
15012 * +--------+-------+-------+------------------------+
15013 * | 011111 | base | rt | offset | SQ
15014 * +--------+-------+-------+------------------------+
15015 * 6 5 5 16
15016 *
15017 * has the same opcode as the Read Hardware Register instruction
15018 *
15019 * +--------+-------+-------+-------+-------+--------+
15020 * | 011111 | 00000 | rt | rd | 00000 | 111011 | RDHWR
15021 * +--------+-------+-------+-------+-------+--------+
15022 * 6 5 5 5 5 6
15023 *
15024 * that is required, trapped and emulated by the Linux kernel. However, all
15025 * RDHWR encodings yield address error exceptions on the TX79 since the SQ
15026 * offset is odd. Therefore all valid SQ instructions can execute normally.
15027 * In user mode, QEMU must verify the upper and lower 11 bits to distinguish
15028 * between SQ and RDHWR, as the Linux kernel does.
15029 */
15030 static void decode_mmi_sq(CPUMIPSState *env, DisasContext *ctx)
15031 {
15032 int base = extract32(ctx->opcode, 21, 5);
15033 int rt = extract32(ctx->opcode, 16, 5);
15034 int offset = extract32(ctx->opcode, 0, 16);
15035
15036 #ifdef CONFIG_USER_ONLY
15037 uint32_t op1 = MASK_SPECIAL3(ctx->opcode);
15038 uint32_t op2 = extract32(ctx->opcode, 6, 5);
15039
15040 if (base == 0 && op2 == 0 && op1 == OPC_RDHWR) {
15041 int rd = extract32(ctx->opcode, 11, 5);
15042
15043 gen_rdhwr(ctx, rt, rd, 0);
15044 return;
15045 }
15046 #endif
15047
15048 gen_mmi_sq(ctx, base, rt, offset);
15049 }
15050
15051 #endif
15052
15053 static void decode_opc_special3(CPUMIPSState *env, DisasContext *ctx)
15054 {
15055 int rs, rt, rd, sa;
15056 uint32_t op1, op2;
15057 int16_t imm;
15058
15059 rs = (ctx->opcode >> 21) & 0x1f;
15060 rt = (ctx->opcode >> 16) & 0x1f;
15061 rd = (ctx->opcode >> 11) & 0x1f;
15062 sa = (ctx->opcode >> 6) & 0x1f;
15063 imm = sextract32(ctx->opcode, 7, 9);
15064
15065 op1 = MASK_SPECIAL3(ctx->opcode);
15066
15067 /*
15068 * EVA loads and stores overlap Loongson 2E instructions decoded by
15069 * decode_opc_special3_legacy(), so be careful to allow their decoding when
15070 * EVA is absent.
15071 */
15072 if (ctx->eva) {
15073 switch (op1) {
15074 case OPC_LWLE:
15075 case OPC_LWRE:
15076 case OPC_LBUE:
15077 case OPC_LHUE:
15078 case OPC_LBE:
15079 case OPC_LHE:
15080 case OPC_LLE:
15081 case OPC_LWE:
15082 check_cp0_enabled(ctx);
15083 gen_ld(ctx, op1, rt, rs, imm);
15084 return;
15085 case OPC_SWLE:
15086 case OPC_SWRE:
15087 case OPC_SBE:
15088 case OPC_SHE:
15089 case OPC_SWE:
15090 check_cp0_enabled(ctx);
15091 gen_st(ctx, op1, rt, rs, imm);
15092 return;
15093 case OPC_SCE:
15094 check_cp0_enabled(ctx);
15095 gen_st_cond(ctx, rt, rs, imm, MO_TESL, true);
15096 return;
15097 case OPC_CACHEE:
15098 check_eva(ctx);
15099 check_cp0_enabled(ctx);
15100 if (ctx->hflags & MIPS_HFLAG_ITC_CACHE) {
15101 gen_cache_operation(ctx, rt, rs, imm);
15102 }
15103 return;
15104 case OPC_PREFE:
15105 check_cp0_enabled(ctx);
15106 /* Treat as NOP. */
15107 return;
15108 }
15109 }
15110
15111 switch (op1) {
15112 case OPC_EXT:
15113 case OPC_INS:
15114 check_insn(ctx, ISA_MIPS_R2);
15115 gen_bitops(ctx, op1, rt, rs, sa, rd);
15116 break;
15117 case OPC_BSHFL:
15118 op2 = MASK_BSHFL(ctx->opcode);
15119 switch (op2) {
15120 case OPC_ALIGN:
15121 case OPC_ALIGN_1:
15122 case OPC_ALIGN_2:
15123 case OPC_ALIGN_3:
15124 case OPC_BITSWAP:
15125 check_insn(ctx, ISA_MIPS_R6);
15126 decode_opc_special3_r6(env, ctx);
15127 break;
15128 default:
15129 check_insn(ctx, ISA_MIPS_R2);
15130 gen_bshfl(ctx, op2, rt, rd);
15131 break;
15132 }
15133 break;
15134 #if defined(TARGET_MIPS64)
15135 case OPC_DEXTM:
15136 case OPC_DEXTU:
15137 case OPC_DEXT:
15138 case OPC_DINSM:
15139 case OPC_DINSU:
15140 case OPC_DINS:
15141 check_insn(ctx, ISA_MIPS_R2);
15142 check_mips_64(ctx);
15143 gen_bitops(ctx, op1, rt, rs, sa, rd);
15144 break;
15145 case OPC_DBSHFL:
15146 op2 = MASK_DBSHFL(ctx->opcode);
15147 switch (op2) {
15148 case OPC_DALIGN:
15149 case OPC_DALIGN_1:
15150 case OPC_DALIGN_2:
15151 case OPC_DALIGN_3:
15152 case OPC_DALIGN_4:
15153 case OPC_DALIGN_5:
15154 case OPC_DALIGN_6:
15155 case OPC_DALIGN_7:
15156 case OPC_DBITSWAP:
15157 check_insn(ctx, ISA_MIPS_R6);
15158 decode_opc_special3_r6(env, ctx);
15159 break;
15160 default:
15161 check_insn(ctx, ISA_MIPS_R2);
15162 check_mips_64(ctx);
15163 op2 = MASK_DBSHFL(ctx->opcode);
15164 gen_bshfl(ctx, op2, rt, rd);
15165 break;
15166 }
15167 break;
15168 #endif
15169 case OPC_RDHWR:
15170 gen_rdhwr(ctx, rt, rd, extract32(ctx->opcode, 6, 3));
15171 break;
15172 case OPC_FORK:
15173 check_mt(ctx);
15174 {
15175 TCGv t0 = tcg_temp_new();
15176 TCGv t1 = tcg_temp_new();
15177
15178 gen_load_gpr(t0, rt);
15179 gen_load_gpr(t1, rs);
15180 gen_helper_fork(t0, t1);
15181 tcg_temp_free(t0);
15182 tcg_temp_free(t1);
15183 }
15184 break;
15185 case OPC_YIELD:
15186 check_mt(ctx);
15187 {
15188 TCGv t0 = tcg_temp_new();
15189
15190 gen_load_gpr(t0, rs);
15191 gen_helper_yield(t0, cpu_env, t0);
15192 gen_store_gpr(t0, rd);
15193 tcg_temp_free(t0);
15194 }
15195 break;
15196 default:
15197 if (ctx->insn_flags & ISA_MIPS_R6) {
15198 decode_opc_special3_r6(env, ctx);
15199 } else {
15200 decode_opc_special3_legacy(env, ctx);
15201 }
15202 }
15203 }
15204
15205 static bool decode_opc_legacy(CPUMIPSState *env, DisasContext *ctx)
15206 {
15207 int32_t offset;
15208 int rs, rt, rd, sa;
15209 uint32_t op, op1;
15210 int16_t imm;
15211
15212 op = MASK_OP_MAJOR(ctx->opcode);
15213 rs = (ctx->opcode >> 21) & 0x1f;
15214 rt = (ctx->opcode >> 16) & 0x1f;
15215 rd = (ctx->opcode >> 11) & 0x1f;
15216 sa = (ctx->opcode >> 6) & 0x1f;
15217 imm = (int16_t)ctx->opcode;
15218 switch (op) {
15219 case OPC_SPECIAL:
15220 decode_opc_special(env, ctx);
15221 break;
15222 case OPC_SPECIAL2:
15223 #if defined(TARGET_MIPS64)
15224 if ((ctx->insn_flags & INSN_R5900) && (ctx->insn_flags & ASE_MMI)) {
15225 decode_mmi(env, ctx);
15226 break;
15227 }
15228 #endif
15229 if (TARGET_LONG_BITS == 32 && (ctx->insn_flags & ASE_MXU)) {
15230 if (MASK_SPECIAL2(ctx->opcode) == OPC_MUL) {
15231 gen_arith(ctx, OPC_MUL, rd, rs, rt);
15232 } else {
15233 decode_ase_mxu(ctx, ctx->opcode);
15234 }
15235 break;
15236 }
15237 decode_opc_special2_legacy(env, ctx);
15238 break;
15239 case OPC_SPECIAL3:
15240 #if defined(TARGET_MIPS64)
15241 if (ctx->insn_flags & INSN_R5900) {
15242 decode_mmi_sq(env, ctx); /* MMI_OPC_SQ */
15243 } else {
15244 decode_opc_special3(env, ctx);
15245 }
15246 #else
15247 decode_opc_special3(env, ctx);
15248 #endif
15249 break;
15250 case OPC_REGIMM:
15251 op1 = MASK_REGIMM(ctx->opcode);
15252 switch (op1) {
15253 case OPC_BLTZL: /* REGIMM branches */
15254 case OPC_BGEZL:
15255 case OPC_BLTZALL:
15256 case OPC_BGEZALL:
15257 check_insn(ctx, ISA_MIPS2);
15258 check_insn_opc_removed(ctx, ISA_MIPS_R6);
15259 /* Fallthrough */
15260 case OPC_BLTZ:
15261 case OPC_BGEZ:
15262 gen_compute_branch(ctx, op1, 4, rs, -1, imm << 2, 4);
15263 break;
15264 case OPC_BLTZAL:
15265 case OPC_BGEZAL:
15266 if (ctx->insn_flags & ISA_MIPS_R6) {
15267 if (rs == 0) {
15268 /* OPC_NAL, OPC_BAL */
15269 gen_compute_branch(ctx, op1, 4, 0, -1, imm << 2, 4);
15270 } else {
15271 gen_reserved_instruction(ctx);
15272 }
15273 } else {
15274 gen_compute_branch(ctx, op1, 4, rs, -1, imm << 2, 4);
15275 }
15276 break;
15277 case OPC_TGEI: /* REGIMM traps */
15278 case OPC_TGEIU:
15279 case OPC_TLTI:
15280 case OPC_TLTIU:
15281 case OPC_TEQI:
15282
15283 case OPC_TNEI:
15284 check_insn(ctx, ISA_MIPS2);
15285 check_insn_opc_removed(ctx, ISA_MIPS_R6);
15286 gen_trap(ctx, op1, rs, -1, imm);
15287 break;
15288 case OPC_SIGRIE:
15289 check_insn(ctx, ISA_MIPS_R6);
15290 gen_reserved_instruction(ctx);
15291 break;
15292 case OPC_SYNCI:
15293 check_insn(ctx, ISA_MIPS_R2);
15294 /*
15295 * Break the TB to be able to sync copied instructions
15296 * immediately.
15297 */
15298 ctx->base.is_jmp = DISAS_STOP;
15299 break;
15300 case OPC_BPOSGE32: /* MIPS DSP branch */
15301 #if defined(TARGET_MIPS64)
15302 case OPC_BPOSGE64:
15303 #endif
15304 check_dsp(ctx);
15305 gen_compute_branch(ctx, op1, 4, -1, -2, (int32_t)imm << 2, 4);
15306 break;
15307 #if defined(TARGET_MIPS64)
15308 case OPC_DAHI:
15309 check_insn(ctx, ISA_MIPS_R6);
15310 check_mips_64(ctx);
15311 if (rs != 0) {
15312 tcg_gen_addi_tl(cpu_gpr[rs], cpu_gpr[rs], (int64_t)imm << 32);
15313 }
15314 break;
15315 case OPC_DATI:
15316 check_insn(ctx, ISA_MIPS_R6);
15317 check_mips_64(ctx);
15318 if (rs != 0) {
15319 tcg_gen_addi_tl(cpu_gpr[rs], cpu_gpr[rs], (int64_t)imm << 48);
15320 }
15321 break;
15322 #endif
15323 default: /* Invalid */
15324 MIPS_INVAL("regimm");
15325 gen_reserved_instruction(ctx);
15326 break;
15327 }
15328 break;
15329 case OPC_CP0:
15330 check_cp0_enabled(ctx);
15331 op1 = MASK_CP0(ctx->opcode);
15332 switch (op1) {
15333 case OPC_MFC0:
15334 case OPC_MTC0:
15335 case OPC_MFTR:
15336 case OPC_MTTR:
15337 case OPC_MFHC0:
15338 case OPC_MTHC0:
15339 #if defined(TARGET_MIPS64)
15340 case OPC_DMFC0:
15341 case OPC_DMTC0:
15342 #endif
15343 #ifndef CONFIG_USER_ONLY
15344 gen_cp0(env, ctx, op1, rt, rd);
15345 #endif /* !CONFIG_USER_ONLY */
15346 break;
15347 case OPC_C0:
15348 case OPC_C0_1:
15349 case OPC_C0_2:
15350 case OPC_C0_3:
15351 case OPC_C0_4:
15352 case OPC_C0_5:
15353 case OPC_C0_6:
15354 case OPC_C0_7:
15355 case OPC_C0_8:
15356 case OPC_C0_9:
15357 case OPC_C0_A:
15358 case OPC_C0_B:
15359 case OPC_C0_C:
15360 case OPC_C0_D:
15361 case OPC_C0_E:
15362 case OPC_C0_F:
15363 #ifndef CONFIG_USER_ONLY
15364 gen_cp0(env, ctx, MASK_C0(ctx->opcode), rt, rd);
15365 #endif /* !CONFIG_USER_ONLY */
15366 break;
15367 case OPC_MFMC0:
15368 #ifndef CONFIG_USER_ONLY
15369 {
15370 uint32_t op2;
15371 TCGv t0 = tcg_temp_new();
15372
15373 op2 = MASK_MFMC0(ctx->opcode);
15374 switch (op2) {
15375 case OPC_DMT:
15376 check_cp0_mt(ctx);
15377 gen_helper_dmt(t0);
15378 gen_store_gpr(t0, rt);
15379 break;
15380 case OPC_EMT:
15381 check_cp0_mt(ctx);
15382 gen_helper_emt(t0);
15383 gen_store_gpr(t0, rt);
15384 break;
15385 case OPC_DVPE:
15386 check_cp0_mt(ctx);
15387 gen_helper_dvpe(t0, cpu_env);
15388 gen_store_gpr(t0, rt);
15389 break;
15390 case OPC_EVPE:
15391 check_cp0_mt(ctx);
15392 gen_helper_evpe(t0, cpu_env);
15393 gen_store_gpr(t0, rt);
15394 break;
15395 case OPC_DVP:
15396 check_insn(ctx, ISA_MIPS_R6);
15397 if (ctx->vp) {
15398 gen_helper_dvp(t0, cpu_env);
15399 gen_store_gpr(t0, rt);
15400 }
15401 break;
15402 case OPC_EVP:
15403 check_insn(ctx, ISA_MIPS_R6);
15404 if (ctx->vp) {
15405 gen_helper_evp(t0, cpu_env);
15406 gen_store_gpr(t0, rt);
15407 }
15408 break;
15409 case OPC_DI:
15410 check_insn(ctx, ISA_MIPS_R2);
15411 save_cpu_state(ctx, 1);
15412 gen_helper_di(t0, cpu_env);
15413 gen_store_gpr(t0, rt);
15414 /*
15415 * Stop translation as we may have switched
15416 * the execution mode.
15417 */
15418 ctx->base.is_jmp = DISAS_STOP;
15419 break;
15420 case OPC_EI:
15421 check_insn(ctx, ISA_MIPS_R2);
15422 save_cpu_state(ctx, 1);
15423 gen_helper_ei(t0, cpu_env);
15424 gen_store_gpr(t0, rt);
15425 /*
15426 * DISAS_STOP isn't sufficient, we need to ensure we break
15427 * out of translated code to check for pending interrupts.
15428 */
15429 gen_save_pc(ctx->base.pc_next + 4);
15430 ctx->base.is_jmp = DISAS_EXIT;
15431 break;
15432 default: /* Invalid */
15433 MIPS_INVAL("mfmc0");
15434 gen_reserved_instruction(ctx);
15435 break;
15436 }
15437 tcg_temp_free(t0);
15438 }
15439 #endif /* !CONFIG_USER_ONLY */
15440 break;
15441 case OPC_RDPGPR:
15442 check_insn(ctx, ISA_MIPS_R2);
15443 gen_load_srsgpr(rt, rd);
15444 break;
15445 case OPC_WRPGPR:
15446 check_insn(ctx, ISA_MIPS_R2);
15447 gen_store_srsgpr(rt, rd);
15448 break;
15449 default:
15450 MIPS_INVAL("cp0");
15451 gen_reserved_instruction(ctx);
15452 break;
15453 }
15454 break;
15455 case OPC_BOVC: /* OPC_BEQZALC, OPC_BEQC, OPC_ADDI */
15456 if (ctx->insn_flags & ISA_MIPS_R6) {
15457 /* OPC_BOVC, OPC_BEQZALC, OPC_BEQC */
15458 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
15459 } else {
15460 /* OPC_ADDI */
15461 /* Arithmetic with immediate opcode */
15462 gen_arith_imm(ctx, op, rt, rs, imm);
15463 }
15464 break;
15465 case OPC_ADDIU:
15466 gen_arith_imm(ctx, op, rt, rs, imm);
15467 break;
15468 case OPC_SLTI: /* Set on less than with immediate opcode */
15469 case OPC_SLTIU:
15470 gen_slt_imm(ctx, op, rt, rs, imm);
15471 break;
15472 case OPC_ANDI: /* Arithmetic with immediate opcode */
15473 case OPC_LUI: /* OPC_AUI */
15474 case OPC_ORI:
15475 case OPC_XORI:
15476 gen_logic_imm(ctx, op, rt, rs, imm);
15477 break;
15478 case OPC_J: /* Jump */
15479 case OPC_JAL:
15480 offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2;
15481 gen_compute_branch(ctx, op, 4, rs, rt, offset, 4);
15482 break;
15483 /* Branch */
15484 case OPC_BLEZC: /* OPC_BGEZC, OPC_BGEC, OPC_BLEZL */
15485 if (ctx->insn_flags & ISA_MIPS_R6) {
15486 if (rt == 0) {
15487 gen_reserved_instruction(ctx);
15488 break;
15489 }
15490 /* OPC_BLEZC, OPC_BGEZC, OPC_BGEC */
15491 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
15492 } else {
15493 /* OPC_BLEZL */
15494 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4);
15495 }
15496 break;
15497 case OPC_BGTZC: /* OPC_BLTZC, OPC_BLTC, OPC_BGTZL */
15498 if (ctx->insn_flags & ISA_MIPS_R6) {
15499 if (rt == 0) {
15500 gen_reserved_instruction(ctx);
15501 break;
15502 }
15503 /* OPC_BGTZC, OPC_BLTZC, OPC_BLTC */
15504 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
15505 } else {
15506 /* OPC_BGTZL */
15507 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4);
15508 }
15509 break;
15510 case OPC_BLEZALC: /* OPC_BGEZALC, OPC_BGEUC, OPC_BLEZ */
15511 if (rt == 0) {
15512 /* OPC_BLEZ */
15513 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4);
15514 } else {
15515 check_insn(ctx, ISA_MIPS_R6);
15516 /* OPC_BLEZALC, OPC_BGEZALC, OPC_BGEUC */
15517 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
15518 }
15519 break;
15520 case OPC_BGTZALC: /* OPC_BLTZALC, OPC_BLTUC, OPC_BGTZ */
15521 if (rt == 0) {
15522 /* OPC_BGTZ */
15523 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4);
15524 } else {
15525 check_insn(ctx, ISA_MIPS_R6);
15526 /* OPC_BGTZALC, OPC_BLTZALC, OPC_BLTUC */
15527 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
15528 }
15529 break;
15530 case OPC_BEQL:
15531 case OPC_BNEL:
15532 check_insn(ctx, ISA_MIPS2);
15533 check_insn_opc_removed(ctx, ISA_MIPS_R6);
15534 /* Fallthrough */
15535 case OPC_BEQ:
15536 case OPC_BNE:
15537 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4);
15538 break;
15539 case OPC_LL: /* Load and stores */
15540 check_insn(ctx, ISA_MIPS2);
15541 if (ctx->insn_flags & INSN_R5900) {
15542 check_insn_opc_user_only(ctx, INSN_R5900);
15543 }
15544 /* Fallthrough */
15545 case OPC_LWL:
15546 case OPC_LWR:
15547 case OPC_LB:
15548 case OPC_LH:
15549 case OPC_LW:
15550 case OPC_LWPC:
15551 case OPC_LBU:
15552 case OPC_LHU:
15553 gen_ld(ctx, op, rt, rs, imm);
15554 break;
15555 case OPC_SWL:
15556 case OPC_SWR:
15557 case OPC_SB:
15558 case OPC_SH:
15559 case OPC_SW:
15560 gen_st(ctx, op, rt, rs, imm);
15561 break;
15562 case OPC_SC:
15563 check_insn(ctx, ISA_MIPS2);
15564 if (ctx->insn_flags & INSN_R5900) {
15565 check_insn_opc_user_only(ctx, INSN_R5900);
15566 }
15567 gen_st_cond(ctx, rt, rs, imm, MO_TESL, false);
15568 break;
15569 case OPC_CACHE:
15570 check_cp0_enabled(ctx);
15571 check_insn(ctx, ISA_MIPS3 | ISA_MIPS_R1);
15572 if (ctx->hflags & MIPS_HFLAG_ITC_CACHE) {
15573 gen_cache_operation(ctx, rt, rs, imm);
15574 }
15575 /* Treat as NOP. */
15576 break;
15577 case OPC_PREF:
15578 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1 | INSN_R5900);
15579 /* Treat as NOP. */
15580 break;
15581
15582 /* Floating point (COP1). */
15583 case OPC_LWC1:
15584 case OPC_LDC1:
15585 case OPC_SWC1:
15586 case OPC_SDC1:
15587 gen_cop1_ldst(ctx, op, rt, rs, imm);
15588 break;
15589
15590 case OPC_CP1:
15591 op1 = MASK_CP1(ctx->opcode);
15592
15593 switch (op1) {
15594 case OPC_MFHC1:
15595 case OPC_MTHC1:
15596 check_cp1_enabled(ctx);
15597 check_insn(ctx, ISA_MIPS_R2);
15598 /* fall through */
15599 case OPC_MFC1:
15600 case OPC_CFC1:
15601 case OPC_MTC1:
15602 case OPC_CTC1:
15603 check_cp1_enabled(ctx);
15604 gen_cp1(ctx, op1, rt, rd);
15605 break;
15606 #if defined(TARGET_MIPS64)
15607 case OPC_DMFC1:
15608 case OPC_DMTC1:
15609 check_cp1_enabled(ctx);
15610 check_insn(ctx, ISA_MIPS3);
15611 check_mips_64(ctx);
15612 gen_cp1(ctx, op1, rt, rd);
15613 break;
15614 #endif
15615 case OPC_BC1EQZ: /* OPC_BC1ANY2 */
15616 check_cp1_enabled(ctx);
15617 if (ctx->insn_flags & ISA_MIPS_R6) {
15618 /* OPC_BC1EQZ */
15619 gen_compute_branch1_r6(ctx, MASK_CP1(ctx->opcode),
15620 rt, imm << 2, 4);
15621 } else {
15622 /* OPC_BC1ANY2 */
15623 check_cop1x(ctx);
15624 check_insn(ctx, ASE_MIPS3D);
15625 gen_compute_branch1(ctx, MASK_BC1(ctx->opcode),
15626 (rt >> 2) & 0x7, imm << 2);
15627 }
15628 break;
15629 case OPC_BC1NEZ:
15630 check_cp1_enabled(ctx);
15631 check_insn(ctx, ISA_MIPS_R6);
15632 gen_compute_branch1_r6(ctx, MASK_CP1(ctx->opcode),
15633 rt, imm << 2, 4);
15634 break;
15635 case OPC_BC1ANY4:
15636 check_cp1_enabled(ctx);
15637 check_insn_opc_removed(ctx, ISA_MIPS_R6);
15638 check_cop1x(ctx);
15639 check_insn(ctx, ASE_MIPS3D);
15640 /* fall through */
15641 case OPC_BC1:
15642 check_cp1_enabled(ctx);
15643 check_insn_opc_removed(ctx, ISA_MIPS_R6);
15644 gen_compute_branch1(ctx, MASK_BC1(ctx->opcode),
15645 (rt >> 2) & 0x7, imm << 2);
15646 break;
15647 case OPC_PS_FMT:
15648 check_ps(ctx);
15649 /* fall through */
15650 case OPC_S_FMT:
15651 case OPC_D_FMT:
15652 check_cp1_enabled(ctx);
15653 gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f), rt, rd, sa,
15654 (imm >> 8) & 0x7);
15655 break;
15656 case OPC_W_FMT:
15657 case OPC_L_FMT:
15658 {
15659 int r6_op = ctx->opcode & FOP(0x3f, 0x1f);
15660 check_cp1_enabled(ctx);
15661 if (ctx->insn_flags & ISA_MIPS_R6) {
15662 switch (r6_op) {
15663 case R6_OPC_CMP_AF_S:
15664 case R6_OPC_CMP_UN_S:
15665 case R6_OPC_CMP_EQ_S:
15666 case R6_OPC_CMP_UEQ_S:
15667 case R6_OPC_CMP_LT_S:
15668 case R6_OPC_CMP_ULT_S:
15669 case R6_OPC_CMP_LE_S:
15670 case R6_OPC_CMP_ULE_S:
15671 case R6_OPC_CMP_SAF_S:
15672 case R6_OPC_CMP_SUN_S:
15673 case R6_OPC_CMP_SEQ_S:
15674 case R6_OPC_CMP_SEUQ_S:
15675 case R6_OPC_CMP_SLT_S:
15676 case R6_OPC_CMP_SULT_S:
15677 case R6_OPC_CMP_SLE_S:
15678 case R6_OPC_CMP_SULE_S:
15679 case R6_OPC_CMP_OR_S:
15680 case R6_OPC_CMP_UNE_S:
15681 case R6_OPC_CMP_NE_S:
15682 case R6_OPC_CMP_SOR_S:
15683 case R6_OPC_CMP_SUNE_S:
15684 case R6_OPC_CMP_SNE_S:
15685 gen_r6_cmp_s(ctx, ctx->opcode & 0x1f, rt, rd, sa);
15686 break;
15687 case R6_OPC_CMP_AF_D:
15688 case R6_OPC_CMP_UN_D:
15689 case R6_OPC_CMP_EQ_D:
15690 case R6_OPC_CMP_UEQ_D:
15691 case R6_OPC_CMP_LT_D:
15692 case R6_OPC_CMP_ULT_D:
15693 case R6_OPC_CMP_LE_D:
15694 case R6_OPC_CMP_ULE_D:
15695 case R6_OPC_CMP_SAF_D:
15696 case R6_OPC_CMP_SUN_D:
15697 case R6_OPC_CMP_SEQ_D:
15698 case R6_OPC_CMP_SEUQ_D:
15699 case R6_OPC_CMP_SLT_D:
15700 case R6_OPC_CMP_SULT_D:
15701 case R6_OPC_CMP_SLE_D:
15702 case R6_OPC_CMP_SULE_D:
15703 case R6_OPC_CMP_OR_D:
15704 case R6_OPC_CMP_UNE_D:
15705 case R6_OPC_CMP_NE_D:
15706 case R6_OPC_CMP_SOR_D:
15707 case R6_OPC_CMP_SUNE_D:
15708 case R6_OPC_CMP_SNE_D:
15709 gen_r6_cmp_d(ctx, ctx->opcode & 0x1f, rt, rd, sa);
15710 break;
15711 default:
15712 gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f),
15713 rt, rd, sa, (imm >> 8) & 0x7);
15714
15715 break;
15716 }
15717 } else {
15718 gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f), rt, rd, sa,
15719 (imm >> 8) & 0x7);
15720 }
15721 break;
15722 }
15723 default:
15724 MIPS_INVAL("cp1");
15725 gen_reserved_instruction(ctx);
15726 break;
15727 }
15728 break;
15729
15730 /* Compact branches [R6] and COP2 [non-R6] */
15731 case OPC_BC: /* OPC_LWC2 */
15732 case OPC_BALC: /* OPC_SWC2 */
15733 if (ctx->insn_flags & ISA_MIPS_R6) {
15734 /* OPC_BC, OPC_BALC */
15735 gen_compute_compact_branch(ctx, op, 0, 0,
15736 sextract32(ctx->opcode << 2, 0, 28));
15737 } else if (ctx->insn_flags & ASE_LEXT) {
15738 gen_loongson_lswc2(ctx, rt, rs, rd);
15739 } else {
15740 /* OPC_LWC2, OPC_SWC2 */
15741 /* COP2: Not implemented. */
15742 generate_exception_err(ctx, EXCP_CpU, 2);
15743 }
15744 break;
15745 case OPC_BEQZC: /* OPC_JIC, OPC_LDC2 */
15746 case OPC_BNEZC: /* OPC_JIALC, OPC_SDC2 */
15747 if (ctx->insn_flags & ISA_MIPS_R6) {
15748 if (rs != 0) {
15749 /* OPC_BEQZC, OPC_BNEZC */
15750 gen_compute_compact_branch(ctx, op, rs, 0,
15751 sextract32(ctx->opcode << 2, 0, 23));
15752 } else {
15753 /* OPC_JIC, OPC_JIALC */
15754 gen_compute_compact_branch(ctx, op, 0, rt, imm);
15755 }
15756 } else if (ctx->insn_flags & ASE_LEXT) {
15757 gen_loongson_lsdc2(ctx, rt, rs, rd);
15758 } else {
15759 /* OPC_LWC2, OPC_SWC2 */
15760 /* COP2: Not implemented. */
15761 generate_exception_err(ctx, EXCP_CpU, 2);
15762 }
15763 break;
15764 case OPC_CP2:
15765 check_insn(ctx, ASE_LMMI);
15766 /* Note that these instructions use different fields. */
15767 gen_loongson_multimedia(ctx, sa, rd, rt);
15768 break;
15769
15770 case OPC_CP3:
15771 if (ctx->CP0_Config1 & (1 << CP0C1_FP)) {
15772 check_cp1_enabled(ctx);
15773 op1 = MASK_CP3(ctx->opcode);
15774 switch (op1) {
15775 case OPC_LUXC1:
15776 case OPC_SUXC1:
15777 check_insn(ctx, ISA_MIPS5 | ISA_MIPS_R2);
15778 /* Fallthrough */
15779 case OPC_LWXC1:
15780 case OPC_LDXC1:
15781 case OPC_SWXC1:
15782 case OPC_SDXC1:
15783 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R2);
15784 gen_flt3_ldst(ctx, op1, sa, rd, rs, rt);
15785 break;
15786 case OPC_PREFX:
15787 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R2);
15788 /* Treat as NOP. */
15789 break;
15790 case OPC_ALNV_PS:
15791 check_insn(ctx, ISA_MIPS5 | ISA_MIPS_R2);
15792 /* Fallthrough */
15793 case OPC_MADD_S:
15794 case OPC_MADD_D:
15795 case OPC_MADD_PS:
15796 case OPC_MSUB_S:
15797 case OPC_MSUB_D:
15798 case OPC_MSUB_PS:
15799 case OPC_NMADD_S:
15800 case OPC_NMADD_D:
15801 case OPC_NMADD_PS:
15802 case OPC_NMSUB_S:
15803 case OPC_NMSUB_D:
15804 case OPC_NMSUB_PS:
15805 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R2);
15806 gen_flt3_arith(ctx, op1, sa, rs, rd, rt);
15807 break;
15808 default:
15809 MIPS_INVAL("cp3");
15810 gen_reserved_instruction(ctx);
15811 break;
15812 }
15813 } else {
15814 generate_exception_err(ctx, EXCP_CpU, 1);
15815 }
15816 break;
15817
15818 #if defined(TARGET_MIPS64)
15819 /* MIPS64 opcodes */
15820 case OPC_LLD:
15821 if (ctx->insn_flags & INSN_R5900) {
15822 check_insn_opc_user_only(ctx, INSN_R5900);
15823 }
15824 /* fall through */
15825 case OPC_LDL:
15826 case OPC_LDR:
15827 case OPC_LWU:
15828 case OPC_LD:
15829 check_insn(ctx, ISA_MIPS3);
15830 check_mips_64(ctx);
15831 gen_ld(ctx, op, rt, rs, imm);
15832 break;
15833 case OPC_SDL:
15834 case OPC_SDR:
15835 case OPC_SD:
15836 check_insn(ctx, ISA_MIPS3);
15837 check_mips_64(ctx);
15838 gen_st(ctx, op, rt, rs, imm);
15839 break;
15840 case OPC_SCD:
15841 check_insn(ctx, ISA_MIPS3);
15842 if (ctx->insn_flags & INSN_R5900) {
15843 check_insn_opc_user_only(ctx, INSN_R5900);
15844 }
15845 check_mips_64(ctx);
15846 gen_st_cond(ctx, rt, rs, imm, MO_TEQ, false);
15847 break;
15848 case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC, OPC_DADDI */
15849 if (ctx->insn_flags & ISA_MIPS_R6) {
15850 /* OPC_BNVC, OPC_BNEZALC, OPC_BNEC */
15851 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
15852 } else {
15853 /* OPC_DADDI */
15854 check_insn(ctx, ISA_MIPS3);
15855 check_mips_64(ctx);
15856 gen_arith_imm(ctx, op, rt, rs, imm);
15857 }
15858 break;
15859 case OPC_DADDIU:
15860 check_insn(ctx, ISA_MIPS3);
15861 check_mips_64(ctx);
15862 gen_arith_imm(ctx, op, rt, rs, imm);
15863 break;
15864 #else
15865 case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC */
15866 if (ctx->insn_flags & ISA_MIPS_R6) {
15867 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
15868 } else {
15869 MIPS_INVAL("major opcode");
15870 gen_reserved_instruction(ctx);
15871 }
15872 break;
15873 #endif
15874 case OPC_DAUI: /* OPC_JALX */
15875 if (ctx->insn_flags & ISA_MIPS_R6) {
15876 #if defined(TARGET_MIPS64)
15877 /* OPC_DAUI */
15878 check_mips_64(ctx);
15879 if (rs == 0) {
15880 generate_exception(ctx, EXCP_RI);
15881 } else if (rt != 0) {
15882 TCGv t0 = tcg_temp_new();
15883 gen_load_gpr(t0, rs);
15884 tcg_gen_addi_tl(cpu_gpr[rt], t0, imm << 16);
15885 tcg_temp_free(t0);
15886 }
15887 #else
15888 gen_reserved_instruction(ctx);
15889 MIPS_INVAL("major opcode");
15890 #endif
15891 } else {
15892 /* OPC_JALX */
15893 check_insn(ctx, ASE_MIPS16 | ASE_MICROMIPS);
15894 offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2;
15895 gen_compute_branch(ctx, op, 4, rs, rt, offset, 4);
15896 }
15897 break;
15898 case OPC_MDMX:
15899 /* MDMX: Not implemented. */
15900 break;
15901 case OPC_PCREL:
15902 check_insn(ctx, ISA_MIPS_R6);
15903 gen_pcrel(ctx, ctx->opcode, ctx->base.pc_next, rs);
15904 break;
15905 default: /* Invalid */
15906 MIPS_INVAL("major opcode");
15907 return false;
15908 }
15909 return true;
15910 }
15911
15912 static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
15913 {
15914 /* make sure instructions are on a word boundary */
15915 if (ctx->base.pc_next & 0x3) {
15916 env->CP0_BadVAddr = ctx->base.pc_next;
15917 generate_exception_err(ctx, EXCP_AdEL, EXCP_INST_NOTAVAIL);
15918 return;
15919 }
15920
15921 /* Handle blikely not taken case */
15922 if ((ctx->hflags & MIPS_HFLAG_BMASK_BASE) == MIPS_HFLAG_BL) {
15923 TCGLabel *l1 = gen_new_label();
15924
15925 tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1);
15926 tcg_gen_movi_i32(hflags, ctx->hflags & ~MIPS_HFLAG_BMASK);
15927 gen_goto_tb(ctx, 1, ctx->base.pc_next + 4);
15928 gen_set_label(l1);
15929 }
15930
15931 /* Transition to the auto-generated decoder. */
15932
15933 /* Vendor specific extensions */
15934 if (cpu_supports_isa(env, INSN_R5900) && decode_ext_txx9(ctx, ctx->opcode)) {
15935 return;
15936 }
15937 if (cpu_supports_isa(env, INSN_VR54XX) && decode_ext_vr54xx(ctx, ctx->opcode)) {
15938 return;
15939 }
15940
15941 /* ISA extensions */
15942 if (ase_msa_available(env) && decode_ase_msa(ctx, ctx->opcode)) {
15943 return;
15944 }
15945
15946 /* ISA (from latest to oldest) */
15947 if (cpu_supports_isa(env, ISA_MIPS_R6) && decode_isa_rel6(ctx, ctx->opcode)) {
15948 return;
15949 }
15950
15951 if (decode_opc_legacy(env, ctx)) {
15952 return;
15953 }
15954
15955 gen_reserved_instruction(ctx);
15956 }
15957
15958 static void mips_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)
15959 {
15960 DisasContext *ctx = container_of(dcbase, DisasContext, base);
15961 CPUMIPSState *env = cs->env_ptr;
15962
15963 ctx->page_start = ctx->base.pc_first & TARGET_PAGE_MASK;
15964 ctx->saved_pc = -1;
15965 ctx->insn_flags = env->insn_flags;
15966 ctx->CP0_Config0 = env->CP0_Config0;
15967 ctx->CP0_Config1 = env->CP0_Config1;
15968 ctx->CP0_Config2 = env->CP0_Config2;
15969 ctx->CP0_Config3 = env->CP0_Config3;
15970 ctx->CP0_Config5 = env->CP0_Config5;
15971 ctx->btarget = 0;
15972 ctx->kscrexist = (env->CP0_Config4 >> CP0C4_KScrExist) & 0xff;
15973 ctx->rxi = (env->CP0_Config3 >> CP0C3_RXI) & 1;
15974 ctx->ie = (env->CP0_Config4 >> CP0C4_IE) & 3;
15975 ctx->bi = (env->CP0_Config3 >> CP0C3_BI) & 1;
15976 ctx->bp = (env->CP0_Config3 >> CP0C3_BP) & 1;
15977 ctx->PAMask = env->PAMask;
15978 ctx->mvh = (env->CP0_Config5 >> CP0C5_MVH) & 1;
15979 ctx->eva = (env->CP0_Config5 >> CP0C5_EVA) & 1;
15980 ctx->sc = (env->CP0_Config3 >> CP0C3_SC) & 1;
15981 ctx->CP0_LLAddr_shift = env->CP0_LLAddr_shift;
15982 ctx->cmgcr = (env->CP0_Config3 >> CP0C3_CMGCR) & 1;
15983 /* Restore delay slot state from the tb context. */
15984 ctx->hflags = (uint32_t)ctx->base.tb->flags; /* FIXME: maybe use 64 bits? */
15985 ctx->ulri = (env->CP0_Config3 >> CP0C3_ULRI) & 1;
15986 ctx->ps = ((env->active_fpu.fcr0 >> FCR0_PS) & 1) ||
15987 (env->insn_flags & (INSN_LOONGSON2E | INSN_LOONGSON2F));
15988 ctx->vp = (env->CP0_Config5 >> CP0C5_VP) & 1;
15989 ctx->mrp = (env->CP0_Config5 >> CP0C5_MRP) & 1;
15990 ctx->nan2008 = (env->active_fpu.fcr31 >> FCR31_NAN2008) & 1;
15991 ctx->abs2008 = (env->active_fpu.fcr31 >> FCR31_ABS2008) & 1;
15992 ctx->mi = (env->CP0_Config5 >> CP0C5_MI) & 1;
15993 ctx->gi = (env->CP0_Config5 >> CP0C5_GI) & 3;
15994 restore_cpu_state(env, ctx);
15995 #ifdef CONFIG_USER_ONLY
15996 ctx->mem_idx = MIPS_HFLAG_UM;
15997 #else
15998 ctx->mem_idx = hflags_mmu_index(ctx->hflags);
15999 #endif
16000 ctx->default_tcg_memop_mask = (ctx->insn_flags & (ISA_MIPS_R6 |
16001 INSN_LOONGSON3A)) ? MO_UNALN : MO_ALIGN;
16002
16003 /*
16004 * Execute a branch and its delay slot as a single instruction.
16005 * This is what GDB expects and is consistent with what the
16006 * hardware does (e.g. if a delay slot instruction faults, the
16007 * reported PC is the PC of the branch).
16008 */
16009 if (ctx->base.singlestep_enabled && (ctx->hflags & MIPS_HFLAG_BMASK)) {
16010 ctx->base.max_insns = 2;
16011 }
16012
16013 LOG_DISAS("\ntb %p idx %d hflags %04x\n", ctx->base.tb, ctx->mem_idx,
16014 ctx->hflags);
16015 }
16016
16017 static void mips_tr_tb_start(DisasContextBase *dcbase, CPUState *cs)
16018 {
16019 }
16020
16021 static void mips_tr_insn_start(DisasContextBase *dcbase, CPUState *cs)
16022 {
16023 DisasContext *ctx = container_of(dcbase, DisasContext, base);
16024
16025 tcg_gen_insn_start(ctx->base.pc_next, ctx->hflags & MIPS_HFLAG_BMASK,
16026 ctx->btarget);
16027 }
16028
16029 static void mips_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
16030 {
16031 CPUMIPSState *env = cs->env_ptr;
16032 DisasContext *ctx = container_of(dcbase, DisasContext, base);
16033 int insn_bytes;
16034 int is_slot;
16035
16036 is_slot = ctx->hflags & MIPS_HFLAG_BMASK;
16037 if (ctx->insn_flags & ISA_NANOMIPS32) {
16038 ctx->opcode = translator_lduw(env, &ctx->base, ctx->base.pc_next);
16039 insn_bytes = decode_isa_nanomips(env, ctx);
16040 } else if (!(ctx->hflags & MIPS_HFLAG_M16)) {
16041 ctx->opcode = translator_ldl(env, &ctx->base, ctx->base.pc_next);
16042 insn_bytes = 4;
16043 decode_opc(env, ctx);
16044 } else if (ctx->insn_flags & ASE_MICROMIPS) {
16045 ctx->opcode = translator_lduw(env, &ctx->base, ctx->base.pc_next);
16046 insn_bytes = decode_isa_micromips(env, ctx);
16047 } else if (ctx->insn_flags & ASE_MIPS16) {
16048 ctx->opcode = translator_lduw(env, &ctx->base, ctx->base.pc_next);
16049 insn_bytes = decode_ase_mips16e(env, ctx);
16050 } else {
16051 gen_reserved_instruction(ctx);
16052 g_assert(ctx->base.is_jmp == DISAS_NORETURN);
16053 return;
16054 }
16055
16056 if (ctx->hflags & MIPS_HFLAG_BMASK) {
16057 if (!(ctx->hflags & (MIPS_HFLAG_BDS16 | MIPS_HFLAG_BDS32 |
16058 MIPS_HFLAG_FBNSLOT))) {
16059 /*
16060 * Force to generate branch as there is neither delay nor
16061 * forbidden slot.
16062 */
16063 is_slot = 1;
16064 }
16065 if ((ctx->hflags & MIPS_HFLAG_M16) &&
16066 (ctx->hflags & MIPS_HFLAG_FBNSLOT)) {
16067 /*
16068 * Force to generate branch as microMIPS R6 doesn't restrict
16069 * branches in the forbidden slot.
16070 */
16071 is_slot = 1;
16072 }
16073 }
16074 if (is_slot) {
16075 gen_branch(ctx, insn_bytes);
16076 }
16077 ctx->base.pc_next += insn_bytes;
16078
16079 if (ctx->base.is_jmp != DISAS_NEXT) {
16080 return;
16081 }
16082
16083 /*
16084 * End the TB on (most) page crossings.
16085 * See mips_tr_init_disas_context about single-stepping a branch
16086 * together with its delay slot.
16087 */
16088 if (ctx->base.pc_next - ctx->page_start >= TARGET_PAGE_SIZE
16089 && !ctx->base.singlestep_enabled) {
16090 ctx->base.is_jmp = DISAS_TOO_MANY;
16091 }
16092 }
16093
16094 static void mips_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs)
16095 {
16096 DisasContext *ctx = container_of(dcbase, DisasContext, base);
16097
16098 switch (ctx->base.is_jmp) {
16099 case DISAS_STOP:
16100 gen_save_pc(ctx->base.pc_next);
16101 tcg_gen_lookup_and_goto_ptr();
16102 break;
16103 case DISAS_NEXT:
16104 case DISAS_TOO_MANY:
16105 save_cpu_state(ctx, 0);
16106 gen_goto_tb(ctx, 0, ctx->base.pc_next);
16107 break;
16108 case DISAS_EXIT:
16109 tcg_gen_exit_tb(NULL, 0);
16110 break;
16111 case DISAS_NORETURN:
16112 break;
16113 default:
16114 g_assert_not_reached();
16115 }
16116 }
16117
16118 static void mips_tr_disas_log(const DisasContextBase *dcbase, CPUState *cs)
16119 {
16120 qemu_log("IN: %s\n", lookup_symbol(dcbase->pc_first));
16121 log_target_disas(cs, dcbase->pc_first, dcbase->tb->size);
16122 }
16123
16124 static const TranslatorOps mips_tr_ops = {
16125 .init_disas_context = mips_tr_init_disas_context,
16126 .tb_start = mips_tr_tb_start,
16127 .insn_start = mips_tr_insn_start,
16128 .translate_insn = mips_tr_translate_insn,
16129 .tb_stop = mips_tr_tb_stop,
16130 .disas_log = mips_tr_disas_log,
16131 };
16132
16133 void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
16134 {
16135 DisasContext ctx;
16136
16137 translator_loop(&mips_tr_ops, &ctx.base, cs, tb, max_insns);
16138 }
16139
16140 void mips_tcg_init(void)
16141 {
16142 int i;
16143
16144 cpu_gpr[0] = NULL;
16145 for (i = 1; i < 32; i++)
16146 cpu_gpr[i] = tcg_global_mem_new(cpu_env,
16147 offsetof(CPUMIPSState,
16148 active_tc.gpr[i]),
16149 regnames[i]);
16150 #if defined(TARGET_MIPS64)
16151 cpu_gpr_hi[0] = NULL;
16152
16153 for (unsigned i = 1; i < 32; i++) {
16154 g_autofree char *rname = g_strdup_printf("%s[hi]", regnames[i]);
16155
16156 cpu_gpr_hi[i] = tcg_global_mem_new_i64(cpu_env,
16157 offsetof(CPUMIPSState,
16158 active_tc.gpr_hi[i]),
16159 rname);
16160 }
16161 #endif /* !TARGET_MIPS64 */
16162 for (i = 0; i < 32; i++) {
16163 int off = offsetof(CPUMIPSState, active_fpu.fpr[i].wr.d[0]);
16164
16165 fpu_f64[i] = tcg_global_mem_new_i64(cpu_env, off, fregnames[i]);
16166 }
16167 msa_translate_init();
16168 cpu_PC = tcg_global_mem_new(cpu_env,
16169 offsetof(CPUMIPSState, active_tc.PC), "PC");
16170 for (i = 0; i < MIPS_DSP_ACC; i++) {
16171 cpu_HI[i] = tcg_global_mem_new(cpu_env,
16172 offsetof(CPUMIPSState, active_tc.HI[i]),
16173 regnames_HI[i]);
16174 cpu_LO[i] = tcg_global_mem_new(cpu_env,
16175 offsetof(CPUMIPSState, active_tc.LO[i]),
16176 regnames_LO[i]);
16177 }
16178 cpu_dspctrl = tcg_global_mem_new(cpu_env,
16179 offsetof(CPUMIPSState,
16180 active_tc.DSPControl),
16181 "DSPControl");
16182 bcond = tcg_global_mem_new(cpu_env,
16183 offsetof(CPUMIPSState, bcond), "bcond");
16184 btarget = tcg_global_mem_new(cpu_env,
16185 offsetof(CPUMIPSState, btarget), "btarget");
16186 hflags = tcg_global_mem_new_i32(cpu_env,
16187 offsetof(CPUMIPSState, hflags), "hflags");
16188
16189 fpu_fcr0 = tcg_global_mem_new_i32(cpu_env,
16190 offsetof(CPUMIPSState, active_fpu.fcr0),
16191 "fcr0");
16192 fpu_fcr31 = tcg_global_mem_new_i32(cpu_env,
16193 offsetof(CPUMIPSState, active_fpu.fcr31),
16194 "fcr31");
16195 cpu_lladdr = tcg_global_mem_new(cpu_env, offsetof(CPUMIPSState, lladdr),
16196 "lladdr");
16197 cpu_llval = tcg_global_mem_new(cpu_env, offsetof(CPUMIPSState, llval),
16198 "llval");
16199
16200 if (TARGET_LONG_BITS == 32) {
16201 mxu_translate_init();
16202 }
16203 }
16204
16205 void restore_state_to_opc(CPUMIPSState *env, TranslationBlock *tb,
16206 target_ulong *data)
16207 {
16208 env->active_tc.PC = data[0];
16209 env->hflags &= ~MIPS_HFLAG_BMASK;
16210 env->hflags |= data[1];
16211 switch (env->hflags & MIPS_HFLAG_BMASK_BASE) {
16212 case MIPS_HFLAG_BR:
16213 break;
16214 case MIPS_HFLAG_BC:
16215 case MIPS_HFLAG_BL:
16216 case MIPS_HFLAG_B:
16217 env->btarget = data[2];
16218 break;
16219 }
16220 }
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