2 * MIPS emulation for qemu: CPU initialisation routines.
4 * Copyright (c) 2004-2005 Jocelyn Mayer
5 * Copyright (c) 2007 Herve Poussineau
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
21 /* CPU / CPU family specific config register values. */
23 /* Have config1, uncached coherency */
24 #define MIPS_CONFIG0 \
25 ((1U << CP0C0_M) | (0x2 << CP0C0_K0))
27 /* Have config2, no coprocessor2 attached, no MDMX support attached,
28 no performance counters, watch registers present,
29 no code compression, EJTAG present, no FPU */
30 #define MIPS_CONFIG1 \
32 (0 << CP0C1_C2) | (0 << CP0C1_MD) | (0 << CP0C1_PC) | \
33 (1 << CP0C1_WR) | (0 << CP0C1_CA) | (1 << CP0C1_EP) | \
36 /* Have config3, no tertiary/secondary caches implemented */
37 #define MIPS_CONFIG2 \
40 /* No config4, no DSP ASE, no large physaddr (PABITS),
41 no external interrupt controller, no vectored interrupts,
42 no 1kb pages, no SmartMIPS ASE, no trace logic */
43 #define MIPS_CONFIG3 \
44 ((0 << CP0C3_M) | (0 << CP0C3_DSPP) | (0 << CP0C3_LPA) | \
45 (0 << CP0C3_VEIC) | (0 << CP0C3_VInt) | (0 << CP0C3_SP) | \
46 (0 << CP0C3_SM) | (0 << CP0C3_TL))
48 #define MIPS_CONFIG4 \
51 #define MIPS_CONFIG5 \
54 /* MMU types, the first four entries have the same layout as the
74 int32_t CP0_Config4_rw_bitmask
;
76 int32_t CP0_Config5_rw_bitmask
;
79 target_ulong CP0_LLAddr_rw_bitmask
;
83 int32_t CP0_Status_rw_bitmask
;
84 int32_t CP0_TCStatus_rw_bitmask
;
87 int32_t CP1_fcr31_rw_bitmask
;
92 int32_t CP0_SRSConf0_rw_bitmask
;
94 int32_t CP0_SRSConf1_rw_bitmask
;
96 int32_t CP0_SRSConf2_rw_bitmask
;
98 int32_t CP0_SRSConf3_rw_bitmask
;
100 int32_t CP0_SRSConf4_rw_bitmask
;
101 int32_t CP0_SRSConf4
;
102 int32_t CP0_PageGrain_rw_bitmask
;
103 int32_t CP0_PageGrain
;
105 enum mips_mmu_types mmu_type
;
108 /*****************************************************************************/
109 /* MIPS CPU definitions */
110 static const mips_def_t mips_defs
[] =
114 .CP0_PRid
= 0x00018000,
115 .CP0_Config0
= MIPS_CONFIG0
| (MMU_TYPE_R4000
<< CP0C0_MT
),
116 .CP0_Config1
= MIPS_CONFIG1
| (15 << CP0C1_MMU
) |
117 (0 << CP0C1_IS
) | (3 << CP0C1_IL
) | (1 << CP0C1_IA
) |
118 (0 << CP0C1_DS
) | (3 << CP0C1_DL
) | (1 << CP0C1_DA
) |
120 .CP0_Config2
= MIPS_CONFIG2
,
121 .CP0_Config3
= MIPS_CONFIG3
,
122 .CP0_LLAddr_rw_bitmask
= 0,
123 .CP0_LLAddr_shift
= 4,
126 .CP0_Status_rw_bitmask
= 0x1278FF17,
129 .insn_flags
= CPU_MIPS32
,
130 .mmu_type
= MMU_TYPE_R4000
,
134 .CP0_PRid
= 0x00018300,
135 /* Config1 implemented, fixed mapping MMU,
136 no virtual icache, uncached coherency. */
137 .CP0_Config0
= MIPS_CONFIG0
| (MMU_TYPE_FMT
<< CP0C0_MT
),
138 .CP0_Config1
= MIPS_CONFIG1
|
139 (0 << CP0C1_IS
) | (3 << CP0C1_IL
) | (1 << CP0C1_IA
) |
140 (0 << CP0C1_DS
) | (3 << CP0C1_DL
) | (1 << CP0C1_DA
) |
142 .CP0_Config2
= MIPS_CONFIG2
,
143 .CP0_Config3
= MIPS_CONFIG3
,
144 .CP0_LLAddr_rw_bitmask
= 0,
145 .CP0_LLAddr_shift
= 4,
148 .CP0_Status_rw_bitmask
= 0x1258FF17,
151 .insn_flags
= CPU_MIPS32
| ASE_MIPS16
,
152 .mmu_type
= MMU_TYPE_FMT
,
156 .CP0_PRid
= 0x00018400,
157 .CP0_Config0
= MIPS_CONFIG0
| (MMU_TYPE_R4000
<< CP0C0_MT
),
158 .CP0_Config1
= MIPS_CONFIG1
| (15 << CP0C1_MMU
) |
159 (0 << CP0C1_IS
) | (3 << CP0C1_IL
) | (1 << CP0C1_IA
) |
160 (0 << CP0C1_DS
) | (3 << CP0C1_DL
) | (1 << CP0C1_DA
) |
162 .CP0_Config2
= MIPS_CONFIG2
,
163 .CP0_Config3
= MIPS_CONFIG3
,
164 .CP0_LLAddr_rw_bitmask
= 0,
165 .CP0_LLAddr_shift
= 4,
168 .CP0_Status_rw_bitmask
= 0x1278FF17,
171 .insn_flags
= CPU_MIPS32
,
172 .mmu_type
= MMU_TYPE_R4000
,
176 .CP0_PRid
= 0x00018500,
177 .CP0_Config0
= MIPS_CONFIG0
| (MMU_TYPE_FMT
<< CP0C0_MT
),
178 .CP0_Config1
= MIPS_CONFIG1
|
179 (0 << CP0C1_IS
) | (3 << CP0C1_IL
) | (1 << CP0C1_IA
) |
180 (0 << CP0C1_DS
) | (3 << CP0C1_DL
) | (1 << CP0C1_DA
) |
182 .CP0_Config2
= MIPS_CONFIG2
,
183 .CP0_Config3
= MIPS_CONFIG3
,
184 .CP0_LLAddr_rw_bitmask
= 0,
185 .CP0_LLAddr_shift
= 4,
188 .CP0_Status_rw_bitmask
= 0x1258FF17,
191 .insn_flags
= CPU_MIPS32
| ASE_MIPS16
,
192 .mmu_type
= MMU_TYPE_FMT
,
196 .CP0_PRid
= 0x00019000,
197 .CP0_Config0
= MIPS_CONFIG0
| (0x1 << CP0C0_AR
) |
198 (MMU_TYPE_R4000
<< CP0C0_MT
),
199 .CP0_Config1
= MIPS_CONFIG1
| (15 << CP0C1_MMU
) |
200 (0 << CP0C1_IS
) | (3 << CP0C1_IL
) | (1 << CP0C1_IA
) |
201 (0 << CP0C1_DS
) | (3 << CP0C1_DL
) | (1 << CP0C1_DA
) |
203 .CP0_Config2
= MIPS_CONFIG2
,
204 .CP0_Config3
= MIPS_CONFIG3
| (0 << CP0C3_VInt
),
205 .CP0_LLAddr_rw_bitmask
= 0,
206 .CP0_LLAddr_shift
= 4,
209 .CP0_Status_rw_bitmask
= 0x1278FF17,
212 .insn_flags
= CPU_MIPS32R2
,
213 .mmu_type
= MMU_TYPE_R4000
,
217 .CP0_PRid
= 0x00019100,
218 .CP0_Config0
= MIPS_CONFIG0
| (0x1 << CP0C0_AR
) |
219 (MMU_TYPE_FMT
<< CP0C0_MT
),
220 .CP0_Config1
= MIPS_CONFIG1
|
221 (0 << CP0C1_IS
) | (3 << CP0C1_IL
) | (1 << CP0C1_IA
) |
222 (0 << CP0C1_DS
) | (3 << CP0C1_DL
) | (1 << CP0C1_DA
) |
224 .CP0_Config2
= MIPS_CONFIG2
,
225 .CP0_Config3
= MIPS_CONFIG3
,
226 .CP0_LLAddr_rw_bitmask
= 0,
227 .CP0_LLAddr_shift
= 4,
230 .CP0_Status_rw_bitmask
= 0x1258FF17,
233 .insn_flags
= CPU_MIPS32R2
| ASE_MIPS16
,
234 .mmu_type
= MMU_TYPE_FMT
,
238 .CP0_PRid
= 0x00019300,
239 .CP0_Config0
= MIPS_CONFIG0
| (0x1 << CP0C0_AR
) |
240 (MMU_TYPE_R4000
<< CP0C0_MT
),
241 .CP0_Config1
= MIPS_CONFIG1
| (15 << CP0C1_MMU
) |
242 (0 << CP0C1_IS
) | (3 << CP0C1_IL
) | (1 << CP0C1_IA
) |
243 (0 << CP0C1_DS
) | (3 << CP0C1_DL
) | (1 << CP0C1_DA
) |
245 .CP0_Config2
= MIPS_CONFIG2
,
246 .CP0_Config3
= MIPS_CONFIG3
| (0 << CP0C3_VInt
),
247 .CP0_LLAddr_rw_bitmask
= 0,
248 .CP0_LLAddr_shift
= 4,
251 /* No DSP implemented. */
252 .CP0_Status_rw_bitmask
= 0x1278FF1F,
255 .insn_flags
= CPU_MIPS32R2
| ASE_MIPS16
,
256 .mmu_type
= MMU_TYPE_R4000
,
260 .CP0_PRid
= 0x00019600,
261 .CP0_Config0
= MIPS_CONFIG0
| (0x1 << CP0C0_AR
) |
262 (MMU_TYPE_R4000
<< CP0C0_MT
),
263 .CP0_Config1
= MIPS_CONFIG1
| (15 << CP0C1_MMU
) |
264 (0 << CP0C1_IS
) | (3 << CP0C1_IL
) | (1 << CP0C1_IA
) |
265 (0 << CP0C1_DS
) | (3 << CP0C1_DL
) | (1 << CP0C1_DA
) |
267 .CP0_Config2
= MIPS_CONFIG2
,
268 .CP0_Config3
= MIPS_CONFIG3
| (1 << CP0C3_DSPP
) | (0 << CP0C3_VInt
),
269 .CP0_LLAddr_rw_bitmask
= 0,
270 .CP0_LLAddr_shift
= 4,
273 /* we have a DSP, but no FPU */
274 .CP0_Status_rw_bitmask
= 0x1378FF1F,
277 .insn_flags
= CPU_MIPS32R2
| ASE_MIPS16
| ASE_DSP
,
278 .mmu_type
= MMU_TYPE_R4000
,
282 .CP0_PRid
= 0x00019300,
283 .CP0_Config0
= MIPS_CONFIG0
| (0x1 << CP0C0_AR
) |
284 (MMU_TYPE_R4000
<< CP0C0_MT
),
285 .CP0_Config1
= MIPS_CONFIG1
| (1 << CP0C1_FP
) | (15 << CP0C1_MMU
) |
286 (0 << CP0C1_IS
) | (3 << CP0C1_IL
) | (1 << CP0C1_IA
) |
287 (0 << CP0C1_DS
) | (3 << CP0C1_DL
) | (1 << CP0C1_DA
) |
289 .CP0_Config2
= MIPS_CONFIG2
,
290 .CP0_Config3
= MIPS_CONFIG3
| (0 << CP0C3_VInt
),
291 .CP0_LLAddr_rw_bitmask
= 0,
292 .CP0_LLAddr_shift
= 4,
295 /* No DSP implemented. */
296 .CP0_Status_rw_bitmask
= 0x3678FF1F,
297 .CP1_fcr0
= (1 << FCR0_F64
) | (1 << FCR0_L
) | (1 << FCR0_W
) |
298 (1 << FCR0_D
) | (1 << FCR0_S
) | (0x93 << FCR0_PRID
),
300 .CP1_fcr31_rw_bitmask
= 0xFF83FFFF,
303 .insn_flags
= CPU_MIPS32R2
| ASE_MIPS16
,
304 .mmu_type
= MMU_TYPE_R4000
,
308 .CP0_PRid
= 0x00019500,
309 .CP0_Config0
= MIPS_CONFIG0
| (0x1 << CP0C0_AR
) |
310 (MMU_TYPE_R4000
<< CP0C0_MT
),
311 .CP0_Config1
= MIPS_CONFIG1
| (1 << CP0C1_FP
) | (15 << CP0C1_MMU
) |
312 (0 << CP0C1_IS
) | (3 << CP0C1_IL
) | (1 << CP0C1_IA
) |
313 (0 << CP0C1_DS
) | (3 << CP0C1_DL
) | (1 << CP0C1_DA
) |
315 .CP0_Config2
= MIPS_CONFIG2
,
316 .CP0_Config3
= MIPS_CONFIG3
| (1 << CP0C3_VInt
) | (1 << CP0C3_MT
) |
318 .CP0_LLAddr_rw_bitmask
= 0,
319 .CP0_LLAddr_shift
= 0,
322 .CP0_Status_rw_bitmask
= 0x3778FF1F,
323 .CP0_TCStatus_rw_bitmask
= (0 << CP0TCSt_TCU3
) | (0 << CP0TCSt_TCU2
) |
324 (1 << CP0TCSt_TCU1
) | (1 << CP0TCSt_TCU0
) |
325 (0 << CP0TCSt_TMX
) | (1 << CP0TCSt_DT
) |
326 (1 << CP0TCSt_DA
) | (1 << CP0TCSt_A
) |
327 (0x3 << CP0TCSt_TKSU
) | (1 << CP0TCSt_IXMT
) |
328 (0xff << CP0TCSt_TASID
),
329 .CP1_fcr0
= (1 << FCR0_F64
) | (1 << FCR0_L
) | (1 << FCR0_W
) |
330 (1 << FCR0_D
) | (1 << FCR0_S
) | (0x95 << FCR0_PRID
),
332 .CP1_fcr31_rw_bitmask
= 0xFF83FFFF,
333 .CP0_SRSCtl
= (0xf << CP0SRSCtl_HSS
),
334 .CP0_SRSConf0_rw_bitmask
= 0x3fffffff,
335 .CP0_SRSConf0
= (1U << CP0SRSC0_M
) | (0x3fe << CP0SRSC0_SRS3
) |
336 (0x3fe << CP0SRSC0_SRS2
) | (0x3fe << CP0SRSC0_SRS1
),
337 .CP0_SRSConf1_rw_bitmask
= 0x3fffffff,
338 .CP0_SRSConf1
= (1U << CP0SRSC1_M
) | (0x3fe << CP0SRSC1_SRS6
) |
339 (0x3fe << CP0SRSC1_SRS5
) | (0x3fe << CP0SRSC1_SRS4
),
340 .CP0_SRSConf2_rw_bitmask
= 0x3fffffff,
341 .CP0_SRSConf2
= (1U << CP0SRSC2_M
) | (0x3fe << CP0SRSC2_SRS9
) |
342 (0x3fe << CP0SRSC2_SRS8
) | (0x3fe << CP0SRSC2_SRS7
),
343 .CP0_SRSConf3_rw_bitmask
= 0x3fffffff,
344 .CP0_SRSConf3
= (1U << CP0SRSC3_M
) | (0x3fe << CP0SRSC3_SRS12
) |
345 (0x3fe << CP0SRSC3_SRS11
) | (0x3fe << CP0SRSC3_SRS10
),
346 .CP0_SRSConf4_rw_bitmask
= 0x3fffffff,
347 .CP0_SRSConf4
= (0x3fe << CP0SRSC4_SRS15
) |
348 (0x3fe << CP0SRSC4_SRS14
) | (0x3fe << CP0SRSC4_SRS13
),
351 .insn_flags
= CPU_MIPS32R2
| ASE_MIPS16
| ASE_DSP
| ASE_MT
,
352 .mmu_type
= MMU_TYPE_R4000
,
356 .CP0_PRid
= 0x00019700,
357 .CP0_Config0
= MIPS_CONFIG0
| (0x1 << CP0C0_AR
) |
358 (MMU_TYPE_R4000
<< CP0C0_MT
),
359 .CP0_Config1
= MIPS_CONFIG1
| (1 << CP0C1_FP
) | (15 << CP0C1_MMU
) |
360 (0 << CP0C1_IS
) | (3 << CP0C1_IL
) | (1 << CP0C1_IA
) |
361 (0 << CP0C1_DS
) | (3 << CP0C1_DL
) | (1 << CP0C1_DA
) |
363 .CP0_Config2
= MIPS_CONFIG2
,
364 .CP0_Config3
= MIPS_CONFIG3
| (1 << CP0C3_DSP2P
) | (1 << CP0C3_DSPP
) |
366 .CP0_LLAddr_rw_bitmask
= 0,
367 .CP0_LLAddr_shift
= 4,
370 .CP0_Status_rw_bitmask
= 0x3778FF1F,
371 .CP1_fcr0
= (1 << FCR0_F64
) | (1 << FCR0_L
) | (1 << FCR0_W
) |
372 (1 << FCR0_D
) | (1 << FCR0_S
) | (0x93 << FCR0_PRID
),
374 .CP1_fcr31_rw_bitmask
= 0xFF83FFFF,
377 .insn_flags
= CPU_MIPS32R2
| ASE_MIPS16
| ASE_DSP
| ASE_DSPR2
,
378 .mmu_type
= MMU_TYPE_R4000
,
382 .CP0_PRid
= 0x00019b00,
383 /* Config1 implemented, fixed mapping MMU,
384 no virtual icache, uncached coherency. */
385 .CP0_Config0
= MIPS_CONFIG0
| (0x2 << CP0C0_KU
) | (0x2 << CP0C0_K23
) |
386 (0x1 << CP0C0_AR
) | (MMU_TYPE_FMT
<< CP0C0_MT
),
387 .CP0_Config1
= MIPS_CONFIG1
,
388 .CP0_Config2
= MIPS_CONFIG2
,
389 .CP0_Config3
= MIPS_CONFIG3
| (0x2 << CP0C3_ISA
) | (1 << CP0C3_VInt
),
390 .CP0_LLAddr_rw_bitmask
= 0,
391 .CP0_LLAddr_shift
= 4,
394 .CP0_Status_rw_bitmask
= 0x1258FF17,
397 .insn_flags
= CPU_MIPS32R2
| ASE_MICROMIPS
,
398 .mmu_type
= MMU_TYPE_FMT
,
402 /* This is the TLB-based MMU core. */
403 .CP0_PRid
= 0x00019c00,
404 .CP0_Config0
= MIPS_CONFIG0
| (0x1 << CP0C0_AR
) |
405 (MMU_TYPE_R4000
<< CP0C0_MT
),
406 .CP0_Config1
= MIPS_CONFIG1
| (15 << CP0C1_MMU
) |
407 (0 << CP0C1_IS
) | (3 << CP0C1_IL
) | (1 << CP0C1_IA
) |
408 (0 << CP0C1_DS
) | (3 << CP0C1_DL
) | (1 << CP0C1_DA
),
409 .CP0_Config2
= MIPS_CONFIG2
,
410 .CP0_Config3
= MIPS_CONFIG3
| (0x2 << CP0C3_ISA
) | (0 << CP0C3_VInt
),
411 .CP0_LLAddr_rw_bitmask
= 0,
412 .CP0_LLAddr_shift
= 4,
415 .CP0_Status_rw_bitmask
= 0x1278FF17,
418 .insn_flags
= CPU_MIPS32R2
| ASE_MICROMIPS
,
419 .mmu_type
= MMU_TYPE_R4000
,
423 * Config3: CMGCR, SC, PW, VZ, CTXTC, CDMM, TL
429 .CP0_PRid
= 0x0001A800,
430 .CP0_Config0
= MIPS_CONFIG0
| (1 << CP0C0_MM
) | (1 << CP0C0_AR
) |
431 (MMU_TYPE_R4000
<< CP0C0_MT
),
432 .CP0_Config1
= MIPS_CONFIG1
| (0x3F << CP0C1_MMU
) |
433 (2 << CP0C1_IS
) | (4 << CP0C1_IL
) | (3 << CP0C1_IA
) |
434 (2 << CP0C1_DS
) | (4 << CP0C1_DL
) | (3 << CP0C1_DA
) |
435 (1 << CP0C1_PC
) | (1 << CP0C1_FP
),
436 .CP0_Config2
= MIPS_CONFIG2
,
437 .CP0_Config3
= MIPS_CONFIG3
| (1U << CP0C3_M
) | (1 << CP0C3_MSAP
) |
438 (1 << CP0C3_BP
) | (1 << CP0C3_BI
) | (1 << CP0C3_ULRI
) |
439 (1 << CP0C3_RXI
) | (1 << CP0C3_LPA
) | (1 << CP0C3_VInt
),
440 .CP0_Config4
= MIPS_CONFIG4
| (1U << CP0C4_M
) | (2 << CP0C4_IE
) |
441 (0x1c << CP0C4_KScrExist
),
442 .CP0_Config4_rw_bitmask
= 0,
443 .CP0_Config5
= MIPS_CONFIG5
| (1 << CP0C5_MVH
) | (1 << CP0C5_LLB
) |
445 .CP0_Config5_rw_bitmask
= (1 << CP0C5_K
) | (1 << CP0C5_CV
) |
446 (1 << CP0C5_MSAEn
) | (1 << CP0C5_UFE
) |
447 (1 << CP0C5_FRE
) | (1 << CP0C5_UFR
),
448 .CP0_LLAddr_rw_bitmask
= 0,
449 .CP0_LLAddr_shift
= 0,
452 .CP0_Status_rw_bitmask
= 0x3C68FF1F,
453 .CP0_PageGrain_rw_bitmask
= (1U << CP0PG_RIE
) | (1 << CP0PG_XIE
) |
454 (1 << CP0PG_ELPA
) | (1 << CP0PG_IEC
),
455 .CP1_fcr0
= (1 << FCR0_FREP
) | (1 << FCR0_UFRP
) | (1 << FCR0_HAS2008
) |
456 (1 << FCR0_F64
) | (1 << FCR0_L
) | (1 << FCR0_W
) |
457 (1 << FCR0_D
) | (1 << FCR0_S
) | (0x03 << FCR0_PRID
),
458 .CP1_fcr31
= (1 << FCR31_ABS2008
) | (1 << FCR31_NAN2008
),
459 .CP1_fcr31_rw_bitmask
= 0xFF83FFFF,
462 .insn_flags
= CPU_MIPS32R5
| ASE_MSA
,
463 .mmu_type
= MMU_TYPE_R4000
,
466 /* A generic CPU supporting MIPS32 Release 6 ISA.
467 FIXME: Support IEEE 754-2008 FP.
468 Eventually this should be replaced by a real CPU model. */
469 .name
= "mips32r6-generic",
470 .CP0_PRid
= 0x00010000,
471 .CP0_Config0
= MIPS_CONFIG0
| (0x2 << CP0C0_AR
) |
472 (MMU_TYPE_R4000
<< CP0C0_MT
),
473 .CP0_Config1
= MIPS_CONFIG1
| (1 << CP0C1_FP
) | (31 << CP0C1_MMU
) |
474 (2 << CP0C1_IS
) | (4 << CP0C1_IL
) | (3 << CP0C1_IA
) |
475 (2 << CP0C1_DS
) | (4 << CP0C1_DL
) | (3 << CP0C1_DA
) |
476 (0 << CP0C1_PC
) | (1 << CP0C1_WR
) | (1 << CP0C1_EP
),
477 .CP0_Config2
= MIPS_CONFIG2
,
478 .CP0_Config3
= MIPS_CONFIG3
| (1 << CP0C3_BP
) | (1 << CP0C3_BI
) |
479 (2 << CP0C3_ISA
) | (1 << CP0C3_ULRI
) |
480 (1 << CP0C3_RXI
) | (1U << CP0C3_M
),
481 .CP0_Config4
= MIPS_CONFIG4
| (0xfc << CP0C4_KScrExist
) |
482 (3 << CP0C4_IE
) | (1U << CP0C4_M
),
483 .CP0_Config5
= MIPS_CONFIG5
| (1 << CP0C5_XNP
) | (1 << CP0C5_LLB
),
484 .CP0_Config5_rw_bitmask
= (1 << CP0C5_SBRI
) | (1 << CP0C5_FRE
) |
486 .CP0_LLAddr_rw_bitmask
= 0,
487 .CP0_LLAddr_shift
= 0,
490 .CP0_Status_rw_bitmask
= 0x3058FF1F,
491 .CP0_PageGrain
= (1 << CP0PG_IEC
) | (1 << CP0PG_XIE
) |
493 .CP0_PageGrain_rw_bitmask
= 0,
494 .CP1_fcr0
= (1 << FCR0_FREP
) | (1 << FCR0_HAS2008
) | (1 << FCR0_F64
) |
495 (1 << FCR0_L
) | (1 << FCR0_W
) | (1 << FCR0_D
) |
496 (1 << FCR0_S
) | (0x00 << FCR0_PRID
) | (0x0 << FCR0_REV
),
497 .CP1_fcr31
= (1 << FCR31_ABS2008
) | (1 << FCR31_NAN2008
),
498 .CP1_fcr31_rw_bitmask
= 0x0103FFFF,
501 .insn_flags
= CPU_MIPS32R6
| ASE_MICROMIPS
,
502 .mmu_type
= MMU_TYPE_R4000
,
504 #if defined(TARGET_MIPS64)
507 .CP0_PRid
= 0x00000400,
508 /* No L2 cache, icache size 8k, dcache size 8k, uncached coherency. */
509 .CP0_Config0
= (1 << 17) | (0x1 << 9) | (0x1 << 6) | (0x2 << CP0C0_K0
),
510 /* Note: Config1 is only used internally, the R4000 has only Config0. */
511 .CP0_Config1
= (1 << CP0C1_FP
) | (47 << CP0C1_MMU
),
512 .CP0_LLAddr_rw_bitmask
= 0xFFFFFFFF,
513 .CP0_LLAddr_shift
= 4,
516 .CP0_Status_rw_bitmask
= 0x3678FFFF,
517 /* The R4000 has a full 64bit FPU but doesn't use the fcr0 bits. */
518 .CP1_fcr0
= (0x5 << FCR0_PRID
) | (0x0 << FCR0_REV
),
520 .CP1_fcr31_rw_bitmask
= 0x0183FFFF,
523 .insn_flags
= CPU_MIPS3
,
524 .mmu_type
= MMU_TYPE_R4000
,
528 .CP0_PRid
= 0x00005400,
529 /* No L2 cache, icache size 8k, dcache size 8k, uncached coherency. */
530 .CP0_Config0
= (1 << 17) | (0x1 << 9) | (0x1 << 6) | (0x2 << CP0C0_K0
),
531 .CP0_Config1
= (1 << CP0C1_FP
) | (47 << CP0C1_MMU
),
532 .CP0_LLAddr_rw_bitmask
= 0xFFFFFFFFL
,
533 .CP0_LLAddr_shift
= 4,
536 .CP0_Status_rw_bitmask
= 0x3678FFFF,
537 /* The VR5432 has a full 64bit FPU but doesn't use the fcr0 bits. */
538 .CP1_fcr0
= (0x54 << FCR0_PRID
) | (0x0 << FCR0_REV
),
540 .CP1_fcr31_rw_bitmask
= 0xFF83FFFF,
543 .insn_flags
= CPU_VR54XX
,
544 .mmu_type
= MMU_TYPE_R4000
,
548 .CP0_PRid
= 0x00018100,
549 .CP0_Config0
= MIPS_CONFIG0
| (0x2 << CP0C0_AT
) |
550 (MMU_TYPE_R4000
<< CP0C0_MT
),
551 .CP0_Config1
= MIPS_CONFIG1
| (31 << CP0C1_MMU
) |
552 (1 << CP0C1_IS
) | (4 << CP0C1_IL
) | (1 << CP0C1_IA
) |
553 (1 << CP0C1_DS
) | (4 << CP0C1_DL
) | (1 << CP0C1_DA
) |
554 (1 << CP0C1_PC
) | (1 << CP0C1_WR
) | (1 << CP0C1_EP
),
555 .CP0_Config2
= MIPS_CONFIG2
,
556 .CP0_Config3
= MIPS_CONFIG3
,
557 .CP0_LLAddr_rw_bitmask
= 0,
558 .CP0_LLAddr_shift
= 4,
561 .CP0_Status_rw_bitmask
= 0x12F8FFFF,
564 .insn_flags
= CPU_MIPS64
,
565 .mmu_type
= MMU_TYPE_R4000
,
569 .CP0_PRid
= 0x00018100,
570 .CP0_Config0
= MIPS_CONFIG0
| (0x2 << CP0C0_AT
) |
571 (MMU_TYPE_R4000
<< CP0C0_MT
),
572 .CP0_Config1
= MIPS_CONFIG1
| (1 << CP0C1_FP
) | (31 << CP0C1_MMU
) |
573 (1 << CP0C1_IS
) | (4 << CP0C1_IL
) | (1 << CP0C1_IA
) |
574 (1 << CP0C1_DS
) | (4 << CP0C1_DL
) | (1 << CP0C1_DA
) |
575 (1 << CP0C1_PC
) | (1 << CP0C1_WR
) | (1 << CP0C1_EP
),
576 .CP0_Config2
= MIPS_CONFIG2
,
577 .CP0_Config3
= MIPS_CONFIG3
,
578 .CP0_LLAddr_rw_bitmask
= 0,
579 .CP0_LLAddr_shift
= 4,
582 .CP0_Status_rw_bitmask
= 0x36F8FFFF,
583 /* The 5Kf has F64 / L / W but doesn't use the fcr0 bits. */
584 .CP1_fcr0
= (1 << FCR0_D
) | (1 << FCR0_S
) |
585 (0x81 << FCR0_PRID
) | (0x0 << FCR0_REV
),
587 .CP1_fcr31_rw_bitmask
= 0xFF83FFFF,
590 .insn_flags
= CPU_MIPS64
,
591 .mmu_type
= MMU_TYPE_R4000
,
595 /* We emulate a later version of the 20Kc, earlier ones had a broken
597 .CP0_PRid
= 0x000182a0,
598 .CP0_Config0
= MIPS_CONFIG0
| (0x2 << CP0C0_AT
) |
599 (MMU_TYPE_R4000
<< CP0C0_MT
) | (1 << CP0C0_VI
),
600 .CP0_Config1
= MIPS_CONFIG1
| (1 << CP0C1_FP
) | (47 << CP0C1_MMU
) |
601 (2 << CP0C1_IS
) | (4 << CP0C1_IL
) | (3 << CP0C1_IA
) |
602 (2 << CP0C1_DS
) | (4 << CP0C1_DL
) | (3 << CP0C1_DA
) |
603 (1 << CP0C1_PC
) | (1 << CP0C1_WR
) | (1 << CP0C1_EP
),
604 .CP0_Config2
= MIPS_CONFIG2
,
605 .CP0_Config3
= MIPS_CONFIG3
,
606 .CP0_LLAddr_rw_bitmask
= 0,
607 .CP0_LLAddr_shift
= 0,
610 .CP0_Status_rw_bitmask
= 0x36FBFFFF,
611 /* The 20Kc has F64 / L / W but doesn't use the fcr0 bits. */
612 .CP1_fcr0
= (1 << FCR0_3D
) | (1 << FCR0_PS
) |
613 (1 << FCR0_D
) | (1 << FCR0_S
) |
614 (0x82 << FCR0_PRID
) | (0x0 << FCR0_REV
),
616 .CP1_fcr31_rw_bitmask
= 0xFF83FFFF,
619 .insn_flags
= CPU_MIPS64
| ASE_MIPS3D
,
620 .mmu_type
= MMU_TYPE_R4000
,
623 /* A generic CPU providing MIPS64 Release 2 features.
624 FIXME: Eventually this should be replaced by a real CPU model. */
625 .name
= "MIPS64R2-generic",
626 .CP0_PRid
= 0x00010000,
627 .CP0_Config0
= MIPS_CONFIG0
| (0x1 << CP0C0_AR
) | (0x2 << CP0C0_AT
) |
628 (MMU_TYPE_R4000
<< CP0C0_MT
),
629 .CP0_Config1
= MIPS_CONFIG1
| (1 << CP0C1_FP
) | (63 << CP0C1_MMU
) |
630 (2 << CP0C1_IS
) | (4 << CP0C1_IL
) | (3 << CP0C1_IA
) |
631 (2 << CP0C1_DS
) | (4 << CP0C1_DL
) | (3 << CP0C1_DA
) |
632 (1 << CP0C1_PC
) | (1 << CP0C1_WR
) | (1 << CP0C1_EP
),
633 .CP0_Config2
= MIPS_CONFIG2
,
634 .CP0_Config3
= MIPS_CONFIG3
| (1 << CP0C3_LPA
),
635 .CP0_LLAddr_rw_bitmask
= 0,
636 .CP0_LLAddr_shift
= 0,
639 .CP0_Status_rw_bitmask
= 0x36FBFFFF,
640 .CP1_fcr0
= (1 << FCR0_F64
) | (1 << FCR0_3D
) | (1 << FCR0_PS
) |
641 (1 << FCR0_L
) | (1 << FCR0_W
) | (1 << FCR0_D
) |
642 (1 << FCR0_S
) | (0x00 << FCR0_PRID
) | (0x0 << FCR0_REV
),
644 .CP1_fcr31_rw_bitmask
= 0xFF83FFFF,
647 .insn_flags
= CPU_MIPS64R2
| ASE_MIPS3D
,
648 .mmu_type
= MMU_TYPE_R4000
,
652 .CP0_PRid
= 0x00018900,
653 .CP0_Config0
= MIPS_CONFIG0
| (0x1 << CP0C0_AR
) | (0x2 << CP0C0_AT
) |
654 (MMU_TYPE_R4000
<< CP0C0_MT
),
655 .CP0_Config1
= MIPS_CONFIG1
| (31 << CP0C1_MMU
) |
656 (1 << CP0C1_IS
) | (4 << CP0C1_IL
) | (1 << CP0C1_IA
) |
657 (1 << CP0C1_DS
) | (4 << CP0C1_DL
) | (1 << CP0C1_DA
) |
658 (1 << CP0C1_PC
) | (1 << CP0C1_WR
) | (1 << CP0C1_EP
),
659 .CP0_Config2
= MIPS_CONFIG2
,
660 .CP0_Config3
= MIPS_CONFIG3
,
661 .CP0_LLAddr_rw_bitmask
= 0,
662 .CP0_LLAddr_shift
= 4,
665 .CP0_Status_rw_bitmask
= 0x12F8FFFF,
668 .insn_flags
= CPU_MIPS64R2
,
669 .mmu_type
= MMU_TYPE_R4000
,
673 .CP0_PRid
= 0x00018900,
674 .CP0_Config0
= MIPS_CONFIG0
| (0x1 << CP0C0_AR
) | (0x2 << CP0C0_AT
) |
675 (MMU_TYPE_R4000
<< CP0C0_MT
),
676 .CP0_Config1
= MIPS_CONFIG1
| (1 << CP0C1_FP
) | (31 << CP0C1_MMU
) |
677 (1 << CP0C1_IS
) | (4 << CP0C1_IL
) | (1 << CP0C1_IA
) |
678 (1 << CP0C1_DS
) | (4 << CP0C1_DL
) | (1 << CP0C1_DA
) |
679 (1 << CP0C1_PC
) | (1 << CP0C1_WR
) | (1 << CP0C1_EP
),
680 .CP0_Config2
= MIPS_CONFIG2
,
681 .CP0_Config3
= MIPS_CONFIG3
,
682 .CP0_LLAddr_rw_bitmask
= 0,
683 .CP0_LLAddr_shift
= 4,
686 .CP0_Status_rw_bitmask
= 0x36F8FFFF,
687 .CP1_fcr0
= (1 << FCR0_F64
) | (1 << FCR0_L
) | (1 << FCR0_W
) |
688 (1 << FCR0_D
) | (1 << FCR0_S
) |
689 (0x89 << FCR0_PRID
) | (0x0 << FCR0_REV
),
692 .insn_flags
= CPU_MIPS64R2
,
693 .mmu_type
= MMU_TYPE_R4000
,
698 .CP0_Config0
= MIPS_CONFIG0
| (0x2 << CP0C0_AR
) | (0x2 << CP0C0_AT
) |
699 (MMU_TYPE_R4000
<< CP0C0_MT
),
700 .CP0_Config1
= MIPS_CONFIG1
| (1 << CP0C1_FP
) | (15 << CP0C1_MMU
) |
701 (2 << CP0C1_IS
) | (5 << CP0C1_IL
) | (3 << CP0C1_IA
) |
702 (2 << CP0C1_DS
) | (5 << CP0C1_DL
) | (3 << CP0C1_DA
) |
703 (0 << CP0C1_PC
) | (1 << CP0C1_WR
) | (1 << CP0C1_EP
),
704 .CP0_Config2
= MIPS_CONFIG2
,
705 .CP0_Config3
= MIPS_CONFIG3
| (1U << CP0C3_M
) |
706 (1 << CP0C3_CMGCR
) | (1 << CP0C3_MSAP
) |
707 (1 << CP0C3_BP
) | (1 << CP0C3_BI
) | (1 << CP0C3_ULRI
) |
708 (1 << CP0C3_RXI
) | (1 << CP0C3_LPA
) | (1 << CP0C3_VInt
),
709 .CP0_Config4
= MIPS_CONFIG4
| (1U << CP0C4_M
) | (3 << CP0C4_IE
) |
710 (1 << CP0C4_AE
) | (0xfc << CP0C4_KScrExist
),
711 .CP0_Config5
= MIPS_CONFIG5
| (1 << CP0C5_XNP
) | (1 << CP0C5_VP
) |
712 (1 << CP0C5_LLB
) | (1 << CP0C5_MRP
),
713 .CP0_Config5_rw_bitmask
= (1 << CP0C5_MSAEn
) | (1 << CP0C5_SBRI
) |
714 (1 << CP0C5_FRE
) | (1 << CP0C5_UFE
),
715 .CP0_LLAddr_rw_bitmask
= 0,
716 .CP0_LLAddr_shift
= 0,
719 .CP0_Status_rw_bitmask
= 0x30D8FFFF,
720 .CP0_PageGrain
= (1 << CP0PG_IEC
) | (1 << CP0PG_XIE
) |
722 .CP0_PageGrain_rw_bitmask
= (1 << CP0PG_ELPA
),
723 .CP1_fcr0
= (1 << FCR0_FREP
) | (1 << FCR0_HAS2008
) | (1 << FCR0_F64
) |
724 (1 << FCR0_L
) | (1 << FCR0_W
) | (1 << FCR0_D
) |
725 (1 << FCR0_S
) | (0x03 << FCR0_PRID
) | (0x0 << FCR0_REV
),
726 .CP1_fcr31
= (1 << FCR31_ABS2008
) | (1 << FCR31_NAN2008
),
727 .CP1_fcr31_rw_bitmask
= 0x0103FFFF,
728 .MSAIR
= 0x03 << MSAIR_ProcID
,
731 .insn_flags
= CPU_MIPS64R6
| ASE_MSA
,
732 .mmu_type
= MMU_TYPE_R4000
,
735 .name
= "Loongson-2E",
737 /* 64KB I-cache and d-cache. 4 way with 32 bit cache line size. */
738 .CP0_Config0
= (0x1<<17) | (0x1<<16) | (0x1<<11) | (0x1<<8) |
739 (0x1<<5) | (0x1<<4) | (0x1<<1),
740 /* Note: Config1 is only used internally,
741 Loongson-2E has only Config0. */
742 .CP0_Config1
= (1 << CP0C1_FP
) | (47 << CP0C1_MMU
),
745 .CP0_Status_rw_bitmask
= 0x35D0FFFF,
746 .CP1_fcr0
= (0x5 << FCR0_PRID
) | (0x1 << FCR0_REV
),
748 .CP1_fcr31_rw_bitmask
= 0xFF83FFFF,
751 .insn_flags
= CPU_LOONGSON2E
,
752 .mmu_type
= MMU_TYPE_R4000
,
755 .name
= "Loongson-2F",
757 /* 64KB I-cache and d-cache. 4 way with 32 bit cache line size. */
758 .CP0_Config0
= (0x1<<17) | (0x1<<16) | (0x1<<11) | (0x1<<8) |
759 (0x1<<5) | (0x1<<4) | (0x1<<1),
760 /* Note: Config1 is only used internally,
761 Loongson-2F has only Config0. */
762 .CP0_Config1
= (1 << CP0C1_FP
) | (47 << CP0C1_MMU
),
765 .CP0_Status_rw_bitmask
= 0xF5D0FF1F, /* Bits 7:5 not writable. */
766 .CP1_fcr0
= (0x5 << FCR0_PRID
) | (0x1 << FCR0_REV
),
768 .CP1_fcr31_rw_bitmask
= 0xFF83FFFF,
771 .insn_flags
= CPU_LOONGSON2F
,
772 .mmu_type
= MMU_TYPE_R4000
,
775 /* A generic CPU providing MIPS64 ASE DSP 2 features.
776 FIXME: Eventually this should be replaced by a real CPU model. */
777 .name
= "mips64dspr2",
778 .CP0_PRid
= 0x00010000,
779 .CP0_Config0
= MIPS_CONFIG0
| (0x1 << CP0C0_AR
) | (0x2 << CP0C0_AT
) |
780 (MMU_TYPE_R4000
<< CP0C0_MT
),
781 .CP0_Config1
= MIPS_CONFIG1
| (1 << CP0C1_FP
) | (63 << CP0C1_MMU
) |
782 (2 << CP0C1_IS
) | (4 << CP0C1_IL
) | (3 << CP0C1_IA
) |
783 (2 << CP0C1_DS
) | (4 << CP0C1_DL
) | (3 << CP0C1_DA
) |
784 (1 << CP0C1_PC
) | (1 << CP0C1_WR
) | (1 << CP0C1_EP
),
785 .CP0_Config2
= MIPS_CONFIG2
,
786 .CP0_Config3
= MIPS_CONFIG3
| (1U << CP0C3_M
) | (1 << CP0C3_DSP2P
) |
787 (1 << CP0C3_DSPP
) | (1 << CP0C3_LPA
),
788 .CP0_LLAddr_rw_bitmask
= 0,
789 .CP0_LLAddr_shift
= 0,
792 .CP0_Status_rw_bitmask
= 0x37FBFFFF,
793 .CP1_fcr0
= (1 << FCR0_F64
) | (1 << FCR0_3D
) | (1 << FCR0_PS
) |
794 (1 << FCR0_L
) | (1 << FCR0_W
) | (1 << FCR0_D
) |
795 (1 << FCR0_S
) | (0x00 << FCR0_PRID
) | (0x0 << FCR0_REV
),
797 .CP1_fcr31_rw_bitmask
= 0xFF83FFFF,
800 .insn_flags
= CPU_MIPS64R2
| ASE_DSP
| ASE_DSPR2
,
801 .mmu_type
= MMU_TYPE_R4000
,
807 static const mips_def_t
*cpu_mips_find_by_name (const char *name
)
811 for (i
= 0; i
< ARRAY_SIZE(mips_defs
); i
++) {
812 if (strcasecmp(name
, mips_defs
[i
].name
) == 0) {
813 return &mips_defs
[i
];
819 void mips_cpu_list (FILE *f
, fprintf_function cpu_fprintf
)
823 for (i
= 0; i
< ARRAY_SIZE(mips_defs
); i
++) {
824 (*cpu_fprintf
)(f
, "MIPS '%s'\n",
829 #ifndef CONFIG_USER_ONLY
830 static void no_mmu_init (CPUMIPSState
*env
, const mips_def_t
*def
)
832 env
->tlb
->nb_tlb
= 1;
833 env
->tlb
->map_address
= &no_mmu_map_address
;
836 static void fixed_mmu_init (CPUMIPSState
*env
, const mips_def_t
*def
)
838 env
->tlb
->nb_tlb
= 1;
839 env
->tlb
->map_address
= &fixed_mmu_map_address
;
842 static void r4k_mmu_init (CPUMIPSState
*env
, const mips_def_t
*def
)
844 env
->tlb
->nb_tlb
= 1 + ((def
->CP0_Config1
>> CP0C1_MMU
) & 63);
845 env
->tlb
->map_address
= &r4k_map_address
;
846 env
->tlb
->helper_tlbwi
= r4k_helper_tlbwi
;
847 env
->tlb
->helper_tlbwr
= r4k_helper_tlbwr
;
848 env
->tlb
->helper_tlbp
= r4k_helper_tlbp
;
849 env
->tlb
->helper_tlbr
= r4k_helper_tlbr
;
850 env
->tlb
->helper_tlbinv
= r4k_helper_tlbinv
;
851 env
->tlb
->helper_tlbinvf
= r4k_helper_tlbinvf
;
854 static void mmu_init (CPUMIPSState
*env
, const mips_def_t
*def
)
856 MIPSCPU
*cpu
= mips_env_get_cpu(env
);
858 env
->tlb
= g_malloc0(sizeof(CPUMIPSTLBContext
));
860 switch (def
->mmu_type
) {
862 no_mmu_init(env
, def
);
865 r4k_mmu_init(env
, def
);
868 fixed_mmu_init(env
, def
);
874 cpu_abort(CPU(cpu
), "MMU type not supported\n");
877 #endif /* CONFIG_USER_ONLY */
879 static void fpu_init (CPUMIPSState
*env
, const mips_def_t
*def
)
883 for (i
= 0; i
< MIPS_FPU_MAX
; i
++)
884 env
->fpus
[i
].fcr0
= def
->CP1_fcr0
;
886 memcpy(&env
->active_fpu
, &env
->fpus
[0], sizeof(env
->active_fpu
));
889 static void mvp_init (CPUMIPSState
*env
, const mips_def_t
*def
)
891 env
->mvp
= g_malloc0(sizeof(CPUMIPSMVPContext
));
893 /* MVPConf1 implemented, TLB sharable, no gating storage support,
894 programmable cache partitioning implemented, number of allocatable
895 and sharable TLB entries, MVP has allocatable TCs, 2 VPEs
896 implemented, 5 TCs implemented. */
897 env
->mvp
->CP0_MVPConf0
= (1U << CP0MVPC0_M
) | (1 << CP0MVPC0_TLBS
) |
898 (0 << CP0MVPC0_GS
) | (1 << CP0MVPC0_PCP
) |
899 // TODO: actually do 2 VPEs.
900 // (1 << CP0MVPC0_TCA) | (0x1 << CP0MVPC0_PVPE) |
901 // (0x04 << CP0MVPC0_PTC);
902 (1 << CP0MVPC0_TCA
) | (0x0 << CP0MVPC0_PVPE
) |
903 (0x00 << CP0MVPC0_PTC
);
904 #if !defined(CONFIG_USER_ONLY)
905 /* Usermode has no TLB support */
906 env
->mvp
->CP0_MVPConf0
|= (env
->tlb
->nb_tlb
<< CP0MVPC0_PTLBE
);
909 /* Allocatable CP1 have media extensions, allocatable CP1 have FP support,
910 no UDI implemented, no CP2 implemented, 1 CP1 implemented. */
911 env
->mvp
->CP0_MVPConf1
= (1U << CP0MVPC1_CIM
) | (1 << CP0MVPC1_CIF
) |
912 (0x0 << CP0MVPC1_PCX
) | (0x0 << CP0MVPC1_PCP2
) |
913 (0x1 << CP0MVPC1_PCP1
);
916 static void msa_reset(CPUMIPSState
*env
)
918 #ifdef CONFIG_USER_ONLY
919 /* MSA access enabled */
920 env
->CP0_Config5
|= 1 << CP0C5_MSAEn
;
921 env
->CP0_Status
|= (1 << CP0St_CU1
) | (1 << CP0St_FR
);
925 - non-signaling floating point exception mode off (NX bit is 0)
926 - Cause, Enables, and Flags are all 0
927 - round to nearest / ties to even (RM bits are 0) */
928 env
->active_tc
.msacsr
= 0;
930 restore_msa_fp_status(env
);
932 /* tininess detected after rounding.*/
933 set_float_detect_tininess(float_tininess_after_rounding
,
934 &env
->active_tc
.msa_fp_status
);
936 /* clear float_status exception flags */
937 set_float_exception_flags(0, &env
->active_tc
.msa_fp_status
);
939 /* clear float_status nan mode */
940 set_default_nan_mode(0, &env
->active_tc
.msa_fp_status
);
942 /* set proper signanling bit meaning ("1" means "quiet") */
943 set_snan_bit_is_one(0, &env
->active_tc
.msa_fp_status
);