target/m68k: remove useless qregs array
[qemu/ar7.git] / target / mips / op_helper.c
blob5184a1838beb1d99dd3eaeba109e97d5c526b89b
1 /*
2 * MIPS emulation helpers for qemu.
4 * Copyright (c) 2004-2005 Jocelyn Mayer
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
21 #include "qemu/osdep.h"
22 #include "qemu/main-loop.h"
23 #include "cpu.h"
24 #include "internal.h"
25 #include "qemu/host-utils.h"
26 #include "exec/helper-proto.h"
27 #include "exec/exec-all.h"
28 #include "exec/cpu_ldst.h"
29 #include "exec/memop.h"
30 #include "sysemu/kvm.h"
33 /*****************************************************************************/
34 /* Exceptions processing helpers */
36 void helper_raise_exception_err(CPUMIPSState *env, uint32_t exception,
37 int error_code)
39 do_raise_exception_err(env, exception, error_code, 0);
42 void helper_raise_exception(CPUMIPSState *env, uint32_t exception)
44 do_raise_exception(env, exception, GETPC());
47 void helper_raise_exception_debug(CPUMIPSState *env)
49 do_raise_exception(env, EXCP_DEBUG, 0);
52 static void raise_exception(CPUMIPSState *env, uint32_t exception)
54 do_raise_exception(env, exception, 0);
57 /* 64 bits arithmetic for 32 bits hosts */
58 static inline uint64_t get_HILO(CPUMIPSState *env)
60 return ((uint64_t)(env->active_tc.HI[0]) << 32) |
61 (uint32_t)env->active_tc.LO[0];
64 static inline target_ulong set_HIT0_LO(CPUMIPSState *env, uint64_t HILO)
66 env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF);
67 return env->active_tc.HI[0] = (int32_t)(HILO >> 32);
70 static inline target_ulong set_HI_LOT0(CPUMIPSState *env, uint64_t HILO)
72 target_ulong tmp = env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF);
73 env->active_tc.HI[0] = (int32_t)(HILO >> 32);
74 return tmp;
77 /* Multiplication variants of the vr54xx. */
78 target_ulong helper_muls(CPUMIPSState *env, target_ulong arg1,
79 target_ulong arg2)
81 return set_HI_LOT0(env, 0 - ((int64_t)(int32_t)arg1 *
82 (int64_t)(int32_t)arg2));
85 target_ulong helper_mulsu(CPUMIPSState *env, target_ulong arg1,
86 target_ulong arg2)
88 return set_HI_LOT0(env, 0 - (uint64_t)(uint32_t)arg1 *
89 (uint64_t)(uint32_t)arg2);
92 target_ulong helper_macc(CPUMIPSState *env, target_ulong arg1,
93 target_ulong arg2)
95 return set_HI_LOT0(env, (int64_t)get_HILO(env) + (int64_t)(int32_t)arg1 *
96 (int64_t)(int32_t)arg2);
99 target_ulong helper_macchi(CPUMIPSState *env, target_ulong arg1,
100 target_ulong arg2)
102 return set_HIT0_LO(env, (int64_t)get_HILO(env) + (int64_t)(int32_t)arg1 *
103 (int64_t)(int32_t)arg2);
106 target_ulong helper_maccu(CPUMIPSState *env, target_ulong arg1,
107 target_ulong arg2)
109 return set_HI_LOT0(env, (uint64_t)get_HILO(env) +
110 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
113 target_ulong helper_macchiu(CPUMIPSState *env, target_ulong arg1,
114 target_ulong arg2)
116 return set_HIT0_LO(env, (uint64_t)get_HILO(env) +
117 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
120 target_ulong helper_msac(CPUMIPSState *env, target_ulong arg1,
121 target_ulong arg2)
123 return set_HI_LOT0(env, (int64_t)get_HILO(env) - (int64_t)(int32_t)arg1 *
124 (int64_t)(int32_t)arg2);
127 target_ulong helper_msachi(CPUMIPSState *env, target_ulong arg1,
128 target_ulong arg2)
130 return set_HIT0_LO(env, (int64_t)get_HILO(env) - (int64_t)(int32_t)arg1 *
131 (int64_t)(int32_t)arg2);
134 target_ulong helper_msacu(CPUMIPSState *env, target_ulong arg1,
135 target_ulong arg2)
137 return set_HI_LOT0(env, (uint64_t)get_HILO(env) -
138 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
141 target_ulong helper_msachiu(CPUMIPSState *env, target_ulong arg1,
142 target_ulong arg2)
144 return set_HIT0_LO(env, (uint64_t)get_HILO(env) -
145 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
148 target_ulong helper_mulhi(CPUMIPSState *env, target_ulong arg1,
149 target_ulong arg2)
151 return set_HIT0_LO(env, (int64_t)(int32_t)arg1 * (int64_t)(int32_t)arg2);
154 target_ulong helper_mulhiu(CPUMIPSState *env, target_ulong arg1,
155 target_ulong arg2)
157 return set_HIT0_LO(env, (uint64_t)(uint32_t)arg1 *
158 (uint64_t)(uint32_t)arg2);
161 target_ulong helper_mulshi(CPUMIPSState *env, target_ulong arg1,
162 target_ulong arg2)
164 return set_HIT0_LO(env, 0 - (int64_t)(int32_t)arg1 *
165 (int64_t)(int32_t)arg2);
168 target_ulong helper_mulshiu(CPUMIPSState *env, target_ulong arg1,
169 target_ulong arg2)
171 return set_HIT0_LO(env, 0 - (uint64_t)(uint32_t)arg1 *
172 (uint64_t)(uint32_t)arg2);
175 static inline target_ulong bitswap(target_ulong v)
177 v = ((v >> 1) & (target_ulong)0x5555555555555555ULL) |
178 ((v & (target_ulong)0x5555555555555555ULL) << 1);
179 v = ((v >> 2) & (target_ulong)0x3333333333333333ULL) |
180 ((v & (target_ulong)0x3333333333333333ULL) << 2);
181 v = ((v >> 4) & (target_ulong)0x0F0F0F0F0F0F0F0FULL) |
182 ((v & (target_ulong)0x0F0F0F0F0F0F0F0FULL) << 4);
183 return v;
186 #ifdef TARGET_MIPS64
187 target_ulong helper_dbitswap(target_ulong rt)
189 return bitswap(rt);
191 #endif
193 target_ulong helper_bitswap(target_ulong rt)
195 return (int32_t)bitswap(rt);
198 target_ulong helper_rotx(target_ulong rs, uint32_t shift, uint32_t shiftx,
199 uint32_t stripe)
201 int i;
202 uint64_t tmp0 = ((uint64_t)rs) << 32 | ((uint64_t)rs & 0xffffffff);
203 uint64_t tmp1 = tmp0;
204 for (i = 0; i <= 46; i++) {
205 int s;
206 if (i & 0x8) {
207 s = shift;
208 } else {
209 s = shiftx;
212 if (stripe != 0 && !(i & 0x4)) {
213 s = ~s;
215 if (s & 0x10) {
216 if (tmp0 & (1LL << (i + 16))) {
217 tmp1 |= 1LL << i;
218 } else {
219 tmp1 &= ~(1LL << i);
224 uint64_t tmp2 = tmp1;
225 for (i = 0; i <= 38; i++) {
226 int s;
227 if (i & 0x4) {
228 s = shift;
229 } else {
230 s = shiftx;
233 if (s & 0x8) {
234 if (tmp1 & (1LL << (i + 8))) {
235 tmp2 |= 1LL << i;
236 } else {
237 tmp2 &= ~(1LL << i);
242 uint64_t tmp3 = tmp2;
243 for (i = 0; i <= 34; i++) {
244 int s;
245 if (i & 0x2) {
246 s = shift;
247 } else {
248 s = shiftx;
250 if (s & 0x4) {
251 if (tmp2 & (1LL << (i + 4))) {
252 tmp3 |= 1LL << i;
253 } else {
254 tmp3 &= ~(1LL << i);
259 uint64_t tmp4 = tmp3;
260 for (i = 0; i <= 32; i++) {
261 int s;
262 if (i & 0x1) {
263 s = shift;
264 } else {
265 s = shiftx;
267 if (s & 0x2) {
268 if (tmp3 & (1LL << (i + 2))) {
269 tmp4 |= 1LL << i;
270 } else {
271 tmp4 &= ~(1LL << i);
276 uint64_t tmp5 = tmp4;
277 for (i = 0; i <= 31; i++) {
278 int s;
279 s = shift;
280 if (s & 0x1) {
281 if (tmp4 & (1LL << (i + 1))) {
282 tmp5 |= 1LL << i;
283 } else {
284 tmp5 &= ~(1LL << i);
289 return (int64_t)(int32_t)(uint32_t)tmp5;
292 #ifndef CONFIG_USER_ONLY
294 static inline hwaddr do_translate_address(CPUMIPSState *env,
295 target_ulong address,
296 int rw, uintptr_t retaddr)
298 hwaddr paddr;
299 CPUState *cs = env_cpu(env);
301 paddr = cpu_mips_translate_address(env, address, rw);
303 if (paddr == -1LL) {
304 cpu_loop_exit_restore(cs, retaddr);
305 } else {
306 return paddr;
310 #define HELPER_LD_ATOMIC(name, insn, almask, do_cast) \
311 target_ulong helper_##name(CPUMIPSState *env, target_ulong arg, int mem_idx) \
313 if (arg & almask) { \
314 if (!(env->hflags & MIPS_HFLAG_DM)) { \
315 env->CP0_BadVAddr = arg; \
317 do_raise_exception(env, EXCP_AdEL, GETPC()); \
319 env->CP0_LLAddr = do_translate_address(env, arg, 0, GETPC()); \
320 env->lladdr = arg; \
321 env->llval = do_cast cpu_##insn##_mmuidx_ra(env, arg, mem_idx, GETPC()); \
322 return env->llval; \
324 HELPER_LD_ATOMIC(ll, ldl, 0x3, (target_long)(int32_t))
325 #ifdef TARGET_MIPS64
326 HELPER_LD_ATOMIC(lld, ldq, 0x7, (target_ulong))
327 #endif
328 #undef HELPER_LD_ATOMIC
329 #endif
331 #ifdef TARGET_WORDS_BIGENDIAN
332 #define GET_LMASK(v) ((v) & 3)
333 #define GET_OFFSET(addr, offset) (addr + (offset))
334 #else
335 #define GET_LMASK(v) (((v) & 3) ^ 3)
336 #define GET_OFFSET(addr, offset) (addr - (offset))
337 #endif
339 void helper_swl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
340 int mem_idx)
342 cpu_stb_mmuidx_ra(env, arg2, (uint8_t)(arg1 >> 24), mem_idx, GETPC());
344 if (GET_LMASK(arg2) <= 2) {
345 cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 16),
346 mem_idx, GETPC());
349 if (GET_LMASK(arg2) <= 1) {
350 cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 8),
351 mem_idx, GETPC());
354 if (GET_LMASK(arg2) == 0) {
355 cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, 3), (uint8_t)arg1,
356 mem_idx, GETPC());
360 void helper_swr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
361 int mem_idx)
363 cpu_stb_mmuidx_ra(env, arg2, (uint8_t)arg1, mem_idx, GETPC());
365 if (GET_LMASK(arg2) >= 1) {
366 cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, -1), (uint8_t)(arg1 >> 8),
367 mem_idx, GETPC());
370 if (GET_LMASK(arg2) >= 2) {
371 cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, -2), (uint8_t)(arg1 >> 16),
372 mem_idx, GETPC());
375 if (GET_LMASK(arg2) == 3) {
376 cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, -3), (uint8_t)(arg1 >> 24),
377 mem_idx, GETPC());
381 #if defined(TARGET_MIPS64)
383 * "half" load and stores. We must do the memory access inline,
384 * or fault handling won't work.
386 #ifdef TARGET_WORDS_BIGENDIAN
387 #define GET_LMASK64(v) ((v) & 7)
388 #else
389 #define GET_LMASK64(v) (((v) & 7) ^ 7)
390 #endif
392 void helper_sdl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
393 int mem_idx)
395 cpu_stb_mmuidx_ra(env, arg2, (uint8_t)(arg1 >> 56), mem_idx, GETPC());
397 if (GET_LMASK64(arg2) <= 6) {
398 cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 48),
399 mem_idx, GETPC());
402 if (GET_LMASK64(arg2) <= 5) {
403 cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 40),
404 mem_idx, GETPC());
407 if (GET_LMASK64(arg2) <= 4) {
408 cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, 3), (uint8_t)(arg1 >> 32),
409 mem_idx, GETPC());
412 if (GET_LMASK64(arg2) <= 3) {
413 cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, 4), (uint8_t)(arg1 >> 24),
414 mem_idx, GETPC());
417 if (GET_LMASK64(arg2) <= 2) {
418 cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, 5), (uint8_t)(arg1 >> 16),
419 mem_idx, GETPC());
422 if (GET_LMASK64(arg2) <= 1) {
423 cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, 6), (uint8_t)(arg1 >> 8),
424 mem_idx, GETPC());
427 if (GET_LMASK64(arg2) <= 0) {
428 cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, 7), (uint8_t)arg1,
429 mem_idx, GETPC());
433 void helper_sdr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
434 int mem_idx)
436 cpu_stb_mmuidx_ra(env, arg2, (uint8_t)arg1, mem_idx, GETPC());
438 if (GET_LMASK64(arg2) >= 1) {
439 cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, -1), (uint8_t)(arg1 >> 8),
440 mem_idx, GETPC());
443 if (GET_LMASK64(arg2) >= 2) {
444 cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, -2), (uint8_t)(arg1 >> 16),
445 mem_idx, GETPC());
448 if (GET_LMASK64(arg2) >= 3) {
449 cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, -3), (uint8_t)(arg1 >> 24),
450 mem_idx, GETPC());
453 if (GET_LMASK64(arg2) >= 4) {
454 cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, -4), (uint8_t)(arg1 >> 32),
455 mem_idx, GETPC());
458 if (GET_LMASK64(arg2) >= 5) {
459 cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, -5), (uint8_t)(arg1 >> 40),
460 mem_idx, GETPC());
463 if (GET_LMASK64(arg2) >= 6) {
464 cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, -6), (uint8_t)(arg1 >> 48),
465 mem_idx, GETPC());
468 if (GET_LMASK64(arg2) == 7) {
469 cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, -7), (uint8_t)(arg1 >> 56),
470 mem_idx, GETPC());
473 #endif /* TARGET_MIPS64 */
475 static const int multiple_regs[] = { 16, 17, 18, 19, 20, 21, 22, 23, 30 };
477 void helper_lwm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
478 uint32_t mem_idx)
480 target_ulong base_reglist = reglist & 0xf;
481 target_ulong do_r31 = reglist & 0x10;
483 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE(multiple_regs)) {
484 target_ulong i;
486 for (i = 0; i < base_reglist; i++) {
487 env->active_tc.gpr[multiple_regs[i]] =
488 (target_long)cpu_ldl_mmuidx_ra(env, addr, mem_idx, GETPC());
489 addr += 4;
493 if (do_r31) {
494 env->active_tc.gpr[31] =
495 (target_long)cpu_ldl_mmuidx_ra(env, addr, mem_idx, GETPC());
499 void helper_swm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
500 uint32_t mem_idx)
502 target_ulong base_reglist = reglist & 0xf;
503 target_ulong do_r31 = reglist & 0x10;
505 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE(multiple_regs)) {
506 target_ulong i;
508 for (i = 0; i < base_reglist; i++) {
509 cpu_stw_mmuidx_ra(env, addr, env->active_tc.gpr[multiple_regs[i]],
510 mem_idx, GETPC());
511 addr += 4;
515 if (do_r31) {
516 cpu_stw_mmuidx_ra(env, addr, env->active_tc.gpr[31], mem_idx, GETPC());
520 #if defined(TARGET_MIPS64)
521 void helper_ldm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
522 uint32_t mem_idx)
524 target_ulong base_reglist = reglist & 0xf;
525 target_ulong do_r31 = reglist & 0x10;
527 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE(multiple_regs)) {
528 target_ulong i;
530 for (i = 0; i < base_reglist; i++) {
531 env->active_tc.gpr[multiple_regs[i]] =
532 cpu_ldq_mmuidx_ra(env, addr, mem_idx, GETPC());
533 addr += 8;
537 if (do_r31) {
538 env->active_tc.gpr[31] =
539 cpu_ldq_mmuidx_ra(env, addr, mem_idx, GETPC());
543 void helper_sdm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
544 uint32_t mem_idx)
546 target_ulong base_reglist = reglist & 0xf;
547 target_ulong do_r31 = reglist & 0x10;
549 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE(multiple_regs)) {
550 target_ulong i;
552 for (i = 0; i < base_reglist; i++) {
553 cpu_stq_mmuidx_ra(env, addr, env->active_tc.gpr[multiple_regs[i]],
554 mem_idx, GETPC());
555 addr += 8;
559 if (do_r31) {
560 cpu_stq_mmuidx_ra(env, addr, env->active_tc.gpr[31], mem_idx, GETPC());
563 #endif
566 void helper_fork(target_ulong arg1, target_ulong arg2)
569 * arg1 = rt, arg2 = rs
570 * TODO: store to TC register
574 target_ulong helper_yield(CPUMIPSState *env, target_ulong arg)
576 target_long arg1 = arg;
578 if (arg1 < 0) {
579 /* No scheduling policy implemented. */
580 if (arg1 != -2) {
581 if (env->CP0_VPEControl & (1 << CP0VPECo_YSI) &&
582 env->active_tc.CP0_TCStatus & (1 << CP0TCSt_DT)) {
583 env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
584 env->CP0_VPEControl |= 4 << CP0VPECo_EXCPT;
585 do_raise_exception(env, EXCP_THREAD, GETPC());
588 } else if (arg1 == 0) {
589 if (0) {
590 /* TODO: TC underflow */
591 env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
592 do_raise_exception(env, EXCP_THREAD, GETPC());
593 } else {
594 /* TODO: Deallocate TC */
596 } else if (arg1 > 0) {
597 /* Yield qualifier inputs not implemented. */
598 env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
599 env->CP0_VPEControl |= 2 << CP0VPECo_EXCPT;
600 do_raise_exception(env, EXCP_THREAD, GETPC());
602 return env->CP0_YQMask;
605 #ifndef CONFIG_USER_ONLY
606 /* TLB management */
607 static void r4k_mips_tlb_flush_extra(CPUMIPSState *env, int first)
609 /* Discard entries from env->tlb[first] onwards. */
610 while (env->tlb->tlb_in_use > first) {
611 r4k_invalidate_tlb(env, --env->tlb->tlb_in_use, 0);
615 static inline uint64_t get_tlb_pfn_from_entrylo(uint64_t entrylo)
617 #if defined(TARGET_MIPS64)
618 return extract64(entrylo, 6, 54);
619 #else
620 return extract64(entrylo, 6, 24) | /* PFN */
621 (extract64(entrylo, 32, 32) << 24); /* PFNX */
622 #endif
625 static void r4k_fill_tlb(CPUMIPSState *env, int idx)
627 r4k_tlb_t *tlb;
628 uint64_t mask = env->CP0_PageMask >> (TARGET_PAGE_BITS + 1);
630 /* XXX: detect conflicting TLBs and raise a MCHECK exception when needed */
631 tlb = &env->tlb->mmu.r4k.tlb[idx];
632 if (env->CP0_EntryHi & (1 << CP0EnHi_EHINV)) {
633 tlb->EHINV = 1;
634 return;
636 tlb->EHINV = 0;
637 tlb->VPN = env->CP0_EntryHi & (TARGET_PAGE_MASK << 1);
638 #if defined(TARGET_MIPS64)
639 tlb->VPN &= env->SEGMask;
640 #endif
641 tlb->ASID = env->CP0_EntryHi & env->CP0_EntryHi_ASID_mask;
642 tlb->MMID = env->CP0_MemoryMapID;
643 tlb->PageMask = env->CP0_PageMask;
644 tlb->G = env->CP0_EntryLo0 & env->CP0_EntryLo1 & 1;
645 tlb->V0 = (env->CP0_EntryLo0 & 2) != 0;
646 tlb->D0 = (env->CP0_EntryLo0 & 4) != 0;
647 tlb->C0 = (env->CP0_EntryLo0 >> 3) & 0x7;
648 tlb->XI0 = (env->CP0_EntryLo0 >> CP0EnLo_XI) & 1;
649 tlb->RI0 = (env->CP0_EntryLo0 >> CP0EnLo_RI) & 1;
650 tlb->PFN[0] = (get_tlb_pfn_from_entrylo(env->CP0_EntryLo0) & ~mask) << 12;
651 tlb->V1 = (env->CP0_EntryLo1 & 2) != 0;
652 tlb->D1 = (env->CP0_EntryLo1 & 4) != 0;
653 tlb->C1 = (env->CP0_EntryLo1 >> 3) & 0x7;
654 tlb->XI1 = (env->CP0_EntryLo1 >> CP0EnLo_XI) & 1;
655 tlb->RI1 = (env->CP0_EntryLo1 >> CP0EnLo_RI) & 1;
656 tlb->PFN[1] = (get_tlb_pfn_from_entrylo(env->CP0_EntryLo1) & ~mask) << 12;
659 void r4k_helper_tlbinv(CPUMIPSState *env)
661 bool mi = !!((env->CP0_Config5 >> CP0C5_MI) & 1);
662 uint16_t ASID = env->CP0_EntryHi & env->CP0_EntryHi_ASID_mask;
663 uint32_t MMID = env->CP0_MemoryMapID;
664 uint32_t tlb_mmid;
665 r4k_tlb_t *tlb;
666 int idx;
668 MMID = mi ? MMID : (uint32_t) ASID;
669 for (idx = 0; idx < env->tlb->nb_tlb; idx++) {
670 tlb = &env->tlb->mmu.r4k.tlb[idx];
671 tlb_mmid = mi ? tlb->MMID : (uint32_t) tlb->ASID;
672 if (!tlb->G && tlb_mmid == MMID) {
673 tlb->EHINV = 1;
676 cpu_mips_tlb_flush(env);
679 void r4k_helper_tlbinvf(CPUMIPSState *env)
681 int idx;
683 for (idx = 0; idx < env->tlb->nb_tlb; idx++) {
684 env->tlb->mmu.r4k.tlb[idx].EHINV = 1;
686 cpu_mips_tlb_flush(env);
689 void r4k_helper_tlbwi(CPUMIPSState *env)
691 bool mi = !!((env->CP0_Config5 >> CP0C5_MI) & 1);
692 target_ulong VPN;
693 uint16_t ASID = env->CP0_EntryHi & env->CP0_EntryHi_ASID_mask;
694 uint32_t MMID = env->CP0_MemoryMapID;
695 uint32_t tlb_mmid;
696 bool EHINV, G, V0, D0, V1, D1, XI0, XI1, RI0, RI1;
697 r4k_tlb_t *tlb;
698 int idx;
700 MMID = mi ? MMID : (uint32_t) ASID;
702 idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb;
703 tlb = &env->tlb->mmu.r4k.tlb[idx];
704 VPN = env->CP0_EntryHi & (TARGET_PAGE_MASK << 1);
705 #if defined(TARGET_MIPS64)
706 VPN &= env->SEGMask;
707 #endif
708 EHINV = (env->CP0_EntryHi & (1 << CP0EnHi_EHINV)) != 0;
709 G = env->CP0_EntryLo0 & env->CP0_EntryLo1 & 1;
710 V0 = (env->CP0_EntryLo0 & 2) != 0;
711 D0 = (env->CP0_EntryLo0 & 4) != 0;
712 XI0 = (env->CP0_EntryLo0 >> CP0EnLo_XI) &1;
713 RI0 = (env->CP0_EntryLo0 >> CP0EnLo_RI) &1;
714 V1 = (env->CP0_EntryLo1 & 2) != 0;
715 D1 = (env->CP0_EntryLo1 & 4) != 0;
716 XI1 = (env->CP0_EntryLo1 >> CP0EnLo_XI) &1;
717 RI1 = (env->CP0_EntryLo1 >> CP0EnLo_RI) &1;
719 tlb_mmid = mi ? tlb->MMID : (uint32_t) tlb->ASID;
721 * Discard cached TLB entries, unless tlbwi is just upgrading access
722 * permissions on the current entry.
724 if (tlb->VPN != VPN || tlb_mmid != MMID || tlb->G != G ||
725 (!tlb->EHINV && EHINV) ||
726 (tlb->V0 && !V0) || (tlb->D0 && !D0) ||
727 (!tlb->XI0 && XI0) || (!tlb->RI0 && RI0) ||
728 (tlb->V1 && !V1) || (tlb->D1 && !D1) ||
729 (!tlb->XI1 && XI1) || (!tlb->RI1 && RI1)) {
730 r4k_mips_tlb_flush_extra(env, env->tlb->nb_tlb);
733 r4k_invalidate_tlb(env, idx, 0);
734 r4k_fill_tlb(env, idx);
737 void r4k_helper_tlbwr(CPUMIPSState *env)
739 int r = cpu_mips_get_random(env);
741 r4k_invalidate_tlb(env, r, 1);
742 r4k_fill_tlb(env, r);
745 void r4k_helper_tlbp(CPUMIPSState *env)
747 bool mi = !!((env->CP0_Config5 >> CP0C5_MI) & 1);
748 r4k_tlb_t *tlb;
749 target_ulong mask;
750 target_ulong tag;
751 target_ulong VPN;
752 uint16_t ASID = env->CP0_EntryHi & env->CP0_EntryHi_ASID_mask;
753 uint32_t MMID = env->CP0_MemoryMapID;
754 uint32_t tlb_mmid;
755 int i;
757 MMID = mi ? MMID : (uint32_t) ASID;
758 for (i = 0; i < env->tlb->nb_tlb; i++) {
759 tlb = &env->tlb->mmu.r4k.tlb[i];
760 /* 1k pages are not supported. */
761 mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
762 tag = env->CP0_EntryHi & ~mask;
763 VPN = tlb->VPN & ~mask;
764 #if defined(TARGET_MIPS64)
765 tag &= env->SEGMask;
766 #endif
767 tlb_mmid = mi ? tlb->MMID : (uint32_t) tlb->ASID;
768 /* Check ASID/MMID, virtual page number & size */
769 if ((tlb->G == 1 || tlb_mmid == MMID) && VPN == tag && !tlb->EHINV) {
770 /* TLB match */
771 env->CP0_Index = i;
772 break;
775 if (i == env->tlb->nb_tlb) {
776 /* No match. Discard any shadow entries, if any of them match. */
777 for (i = env->tlb->nb_tlb; i < env->tlb->tlb_in_use; i++) {
778 tlb = &env->tlb->mmu.r4k.tlb[i];
779 /* 1k pages are not supported. */
780 mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
781 tag = env->CP0_EntryHi & ~mask;
782 VPN = tlb->VPN & ~mask;
783 #if defined(TARGET_MIPS64)
784 tag &= env->SEGMask;
785 #endif
786 tlb_mmid = mi ? tlb->MMID : (uint32_t) tlb->ASID;
787 /* Check ASID/MMID, virtual page number & size */
788 if ((tlb->G == 1 || tlb_mmid == MMID) && VPN == tag) {
789 r4k_mips_tlb_flush_extra(env, i);
790 break;
794 env->CP0_Index |= 0x80000000;
798 static inline uint64_t get_entrylo_pfn_from_tlb(uint64_t tlb_pfn)
800 #if defined(TARGET_MIPS64)
801 return tlb_pfn << 6;
802 #else
803 return (extract64(tlb_pfn, 0, 24) << 6) | /* PFN */
804 (extract64(tlb_pfn, 24, 32) << 32); /* PFNX */
805 #endif
808 void r4k_helper_tlbr(CPUMIPSState *env)
810 bool mi = !!((env->CP0_Config5 >> CP0C5_MI) & 1);
811 uint16_t ASID = env->CP0_EntryHi & env->CP0_EntryHi_ASID_mask;
812 uint32_t MMID = env->CP0_MemoryMapID;
813 uint32_t tlb_mmid;
814 r4k_tlb_t *tlb;
815 int idx;
817 MMID = mi ? MMID : (uint32_t) ASID;
818 idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb;
819 tlb = &env->tlb->mmu.r4k.tlb[idx];
821 tlb_mmid = mi ? tlb->MMID : (uint32_t) tlb->ASID;
822 /* If this will change the current ASID/MMID, flush qemu's TLB. */
823 if (MMID != tlb_mmid) {
824 cpu_mips_tlb_flush(env);
827 r4k_mips_tlb_flush_extra(env, env->tlb->nb_tlb);
829 if (tlb->EHINV) {
830 env->CP0_EntryHi = 1 << CP0EnHi_EHINV;
831 env->CP0_PageMask = 0;
832 env->CP0_EntryLo0 = 0;
833 env->CP0_EntryLo1 = 0;
834 } else {
835 env->CP0_EntryHi = mi ? tlb->VPN : tlb->VPN | tlb->ASID;
836 env->CP0_MemoryMapID = tlb->MMID;
837 env->CP0_PageMask = tlb->PageMask;
838 env->CP0_EntryLo0 = tlb->G | (tlb->V0 << 1) | (tlb->D0 << 2) |
839 ((uint64_t)tlb->RI0 << CP0EnLo_RI) |
840 ((uint64_t)tlb->XI0 << CP0EnLo_XI) | (tlb->C0 << 3) |
841 get_entrylo_pfn_from_tlb(tlb->PFN[0] >> 12);
842 env->CP0_EntryLo1 = tlb->G | (tlb->V1 << 1) | (tlb->D1 << 2) |
843 ((uint64_t)tlb->RI1 << CP0EnLo_RI) |
844 ((uint64_t)tlb->XI1 << CP0EnLo_XI) | (tlb->C1 << 3) |
845 get_entrylo_pfn_from_tlb(tlb->PFN[1] >> 12);
849 void helper_tlbwi(CPUMIPSState *env)
851 env->tlb->helper_tlbwi(env);
854 void helper_tlbwr(CPUMIPSState *env)
856 env->tlb->helper_tlbwr(env);
859 void helper_tlbp(CPUMIPSState *env)
861 env->tlb->helper_tlbp(env);
864 void helper_tlbr(CPUMIPSState *env)
866 env->tlb->helper_tlbr(env);
869 void helper_tlbinv(CPUMIPSState *env)
871 env->tlb->helper_tlbinv(env);
874 void helper_tlbinvf(CPUMIPSState *env)
876 env->tlb->helper_tlbinvf(env);
879 static void global_invalidate_tlb(CPUMIPSState *env,
880 uint32_t invMsgVPN2,
881 uint8_t invMsgR,
882 uint32_t invMsgMMid,
883 bool invAll,
884 bool invVAMMid,
885 bool invMMid,
886 bool invVA)
889 int idx;
890 r4k_tlb_t *tlb;
891 bool VAMatch;
892 bool MMidMatch;
894 for (idx = 0; idx < env->tlb->nb_tlb; idx++) {
895 tlb = &env->tlb->mmu.r4k.tlb[idx];
896 VAMatch =
897 (((tlb->VPN & ~tlb->PageMask) == (invMsgVPN2 & ~tlb->PageMask))
898 #ifdef TARGET_MIPS64
900 (extract64(env->CP0_EntryHi, 62, 2) == invMsgR)
901 #endif
903 MMidMatch = tlb->MMID == invMsgMMid;
904 if ((invAll && (idx > env->CP0_Wired)) ||
905 (VAMatch && invVAMMid && (tlb->G || MMidMatch)) ||
906 (VAMatch && invVA) ||
907 (MMidMatch && !(tlb->G) && invMMid)) {
908 tlb->EHINV = 1;
911 cpu_mips_tlb_flush(env);
914 void helper_ginvt(CPUMIPSState *env, target_ulong arg, uint32_t type)
916 bool invAll = type == 0;
917 bool invVA = type == 1;
918 bool invMMid = type == 2;
919 bool invVAMMid = type == 3;
920 uint32_t invMsgVPN2 = arg & (TARGET_PAGE_MASK << 1);
921 uint8_t invMsgR = 0;
922 uint32_t invMsgMMid = env->CP0_MemoryMapID;
923 CPUState *other_cs = first_cpu;
925 #ifdef TARGET_MIPS64
926 invMsgR = extract64(arg, 62, 2);
927 #endif
929 CPU_FOREACH(other_cs) {
930 MIPSCPU *other_cpu = MIPS_CPU(other_cs);
931 global_invalidate_tlb(&other_cpu->env, invMsgVPN2, invMsgR, invMsgMMid,
932 invAll, invVAMMid, invMMid, invVA);
936 /* Specials */
937 target_ulong helper_di(CPUMIPSState *env)
939 target_ulong t0 = env->CP0_Status;
941 env->CP0_Status = t0 & ~(1 << CP0St_IE);
942 return t0;
945 target_ulong helper_ei(CPUMIPSState *env)
947 target_ulong t0 = env->CP0_Status;
949 env->CP0_Status = t0 | (1 << CP0St_IE);
950 return t0;
953 static void debug_pre_eret(CPUMIPSState *env)
955 if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
956 qemu_log("ERET: PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx,
957 env->active_tc.PC, env->CP0_EPC);
958 if (env->CP0_Status & (1 << CP0St_ERL)) {
959 qemu_log(" ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
961 if (env->hflags & MIPS_HFLAG_DM) {
962 qemu_log(" DEPC " TARGET_FMT_lx, env->CP0_DEPC);
964 qemu_log("\n");
968 static void debug_post_eret(CPUMIPSState *env)
970 if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
971 qemu_log(" => PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx,
972 env->active_tc.PC, env->CP0_EPC);
973 if (env->CP0_Status & (1 << CP0St_ERL)) {
974 qemu_log(" ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
976 if (env->hflags & MIPS_HFLAG_DM) {
977 qemu_log(" DEPC " TARGET_FMT_lx, env->CP0_DEPC);
979 switch (cpu_mmu_index(env, false)) {
980 case 3:
981 qemu_log(", ERL\n");
982 break;
983 case MIPS_HFLAG_UM:
984 qemu_log(", UM\n");
985 break;
986 case MIPS_HFLAG_SM:
987 qemu_log(", SM\n");
988 break;
989 case MIPS_HFLAG_KM:
990 qemu_log("\n");
991 break;
992 default:
993 cpu_abort(env_cpu(env), "Invalid MMU mode!\n");
994 break;
999 static void set_pc(CPUMIPSState *env, target_ulong error_pc)
1001 env->active_tc.PC = error_pc & ~(target_ulong)1;
1002 if (error_pc & 1) {
1003 env->hflags |= MIPS_HFLAG_M16;
1004 } else {
1005 env->hflags &= ~(MIPS_HFLAG_M16);
1009 static inline void exception_return(CPUMIPSState *env)
1011 debug_pre_eret(env);
1012 if (env->CP0_Status & (1 << CP0St_ERL)) {
1013 set_pc(env, env->CP0_ErrorEPC);
1014 env->CP0_Status &= ~(1 << CP0St_ERL);
1015 } else {
1016 set_pc(env, env->CP0_EPC);
1017 env->CP0_Status &= ~(1 << CP0St_EXL);
1019 compute_hflags(env);
1020 debug_post_eret(env);
1023 void helper_eret(CPUMIPSState *env)
1025 exception_return(env);
1026 env->CP0_LLAddr = 1;
1027 env->lladdr = 1;
1030 void helper_eretnc(CPUMIPSState *env)
1032 exception_return(env);
1035 void helper_deret(CPUMIPSState *env)
1037 debug_pre_eret(env);
1039 env->hflags &= ~MIPS_HFLAG_DM;
1040 compute_hflags(env);
1042 set_pc(env, env->CP0_DEPC);
1044 debug_post_eret(env);
1046 #endif /* !CONFIG_USER_ONLY */
1048 static inline void check_hwrena(CPUMIPSState *env, int reg, uintptr_t pc)
1050 if ((env->hflags & MIPS_HFLAG_CP0) || (env->CP0_HWREna & (1 << reg))) {
1051 return;
1053 do_raise_exception(env, EXCP_RI, pc);
1056 target_ulong helper_rdhwr_cpunum(CPUMIPSState *env)
1058 check_hwrena(env, 0, GETPC());
1059 return env->CP0_EBase & 0x3ff;
1062 target_ulong helper_rdhwr_synci_step(CPUMIPSState *env)
1064 check_hwrena(env, 1, GETPC());
1065 return env->SYNCI_Step;
1068 target_ulong helper_rdhwr_cc(CPUMIPSState *env)
1070 check_hwrena(env, 2, GETPC());
1071 #ifdef CONFIG_USER_ONLY
1072 return env->CP0_Count;
1073 #else
1074 return (int32_t)cpu_mips_get_count(env);
1075 #endif
1078 target_ulong helper_rdhwr_ccres(CPUMIPSState *env)
1080 check_hwrena(env, 3, GETPC());
1081 return env->CCRes;
1084 target_ulong helper_rdhwr_performance(CPUMIPSState *env)
1086 check_hwrena(env, 4, GETPC());
1087 return env->CP0_Performance0;
1090 target_ulong helper_rdhwr_xnp(CPUMIPSState *env)
1092 check_hwrena(env, 5, GETPC());
1093 return (env->CP0_Config5 >> CP0C5_XNP) & 1;
1096 void helper_pmon(CPUMIPSState *env, int function)
1098 function /= 2;
1099 switch (function) {
1100 case 2: /* TODO: char inbyte(int waitflag); */
1101 if (env->active_tc.gpr[4] == 0) {
1102 env->active_tc.gpr[2] = -1;
1104 /* Fall through */
1105 case 11: /* TODO: char inbyte (void); */
1106 env->active_tc.gpr[2] = -1;
1107 break;
1108 case 3:
1109 case 12:
1110 printf("%c", (char)(env->active_tc.gpr[4] & 0xFF));
1111 break;
1112 case 17:
1113 break;
1114 case 158:
1116 unsigned char *fmt = (void *)(uintptr_t)env->active_tc.gpr[4];
1117 printf("%s", fmt);
1119 break;
1123 void helper_wait(CPUMIPSState *env)
1125 CPUState *cs = env_cpu(env);
1127 cs->halted = 1;
1128 cpu_reset_interrupt(cs, CPU_INTERRUPT_WAKE);
1130 * Last instruction in the block, PC was updated before
1131 * - no need to recover PC and icount.
1133 raise_exception(env, EXCP_HLT);
1136 #if !defined(CONFIG_USER_ONLY)
1138 void mips_cpu_do_unaligned_access(CPUState *cs, vaddr addr,
1139 MMUAccessType access_type,
1140 int mmu_idx, uintptr_t retaddr)
1142 MIPSCPU *cpu = MIPS_CPU(cs);
1143 CPUMIPSState *env = &cpu->env;
1144 int error_code = 0;
1145 int excp;
1147 if (!(env->hflags & MIPS_HFLAG_DM)) {
1148 env->CP0_BadVAddr = addr;
1151 if (access_type == MMU_DATA_STORE) {
1152 excp = EXCP_AdES;
1153 } else {
1154 excp = EXCP_AdEL;
1155 if (access_type == MMU_INST_FETCH) {
1156 error_code |= EXCP_INST_NOTAVAIL;
1160 do_raise_exception_err(env, excp, error_code, retaddr);
1163 void mips_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr,
1164 vaddr addr, unsigned size,
1165 MMUAccessType access_type,
1166 int mmu_idx, MemTxAttrs attrs,
1167 MemTxResult response, uintptr_t retaddr)
1169 MIPSCPU *cpu = MIPS_CPU(cs);
1170 CPUMIPSState *env = &cpu->env;
1172 if (access_type == MMU_INST_FETCH) {
1173 do_raise_exception(env, EXCP_IBE, retaddr);
1174 } else {
1175 do_raise_exception(env, EXCP_DBE, retaddr);
1178 #endif /* !CONFIG_USER_ONLY */
1181 /* MSA */
1182 /* Data format min and max values */
1183 #define DF_BITS(df) (1 << ((df) + 3))
1185 /* Element-by-element access macros */
1186 #define DF_ELEMENTS(df) (MSA_WRLEN / DF_BITS(df))
1188 #if !defined(CONFIG_USER_ONLY)
1189 #define MEMOP_IDX(DF) \
1190 TCGMemOpIdx oi = make_memop_idx(MO_TE | DF | MO_UNALN, \
1191 cpu_mmu_index(env, false));
1192 #else
1193 #define MEMOP_IDX(DF)
1194 #endif
1196 void helper_msa_ld_b(CPUMIPSState *env, uint32_t wd,
1197 target_ulong addr)
1199 wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
1200 MEMOP_IDX(DF_BYTE)
1201 #if !defined(CONFIG_USER_ONLY)
1202 #if !defined(HOST_WORDS_BIGENDIAN)
1203 pwd->b[0] = helper_ret_ldub_mmu(env, addr + (0 << DF_BYTE), oi, GETPC());
1204 pwd->b[1] = helper_ret_ldub_mmu(env, addr + (1 << DF_BYTE), oi, GETPC());
1205 pwd->b[2] = helper_ret_ldub_mmu(env, addr + (2 << DF_BYTE), oi, GETPC());
1206 pwd->b[3] = helper_ret_ldub_mmu(env, addr + (3 << DF_BYTE), oi, GETPC());
1207 pwd->b[4] = helper_ret_ldub_mmu(env, addr + (4 << DF_BYTE), oi, GETPC());
1208 pwd->b[5] = helper_ret_ldub_mmu(env, addr + (5 << DF_BYTE), oi, GETPC());
1209 pwd->b[6] = helper_ret_ldub_mmu(env, addr + (6 << DF_BYTE), oi, GETPC());
1210 pwd->b[7] = helper_ret_ldub_mmu(env, addr + (7 << DF_BYTE), oi, GETPC());
1211 pwd->b[8] = helper_ret_ldub_mmu(env, addr + (8 << DF_BYTE), oi, GETPC());
1212 pwd->b[9] = helper_ret_ldub_mmu(env, addr + (9 << DF_BYTE), oi, GETPC());
1213 pwd->b[10] = helper_ret_ldub_mmu(env, addr + (10 << DF_BYTE), oi, GETPC());
1214 pwd->b[11] = helper_ret_ldub_mmu(env, addr + (11 << DF_BYTE), oi, GETPC());
1215 pwd->b[12] = helper_ret_ldub_mmu(env, addr + (12 << DF_BYTE), oi, GETPC());
1216 pwd->b[13] = helper_ret_ldub_mmu(env, addr + (13 << DF_BYTE), oi, GETPC());
1217 pwd->b[14] = helper_ret_ldub_mmu(env, addr + (14 << DF_BYTE), oi, GETPC());
1218 pwd->b[15] = helper_ret_ldub_mmu(env, addr + (15 << DF_BYTE), oi, GETPC());
1219 #else
1220 pwd->b[0] = helper_ret_ldub_mmu(env, addr + (7 << DF_BYTE), oi, GETPC());
1221 pwd->b[1] = helper_ret_ldub_mmu(env, addr + (6 << DF_BYTE), oi, GETPC());
1222 pwd->b[2] = helper_ret_ldub_mmu(env, addr + (5 << DF_BYTE), oi, GETPC());
1223 pwd->b[3] = helper_ret_ldub_mmu(env, addr + (4 << DF_BYTE), oi, GETPC());
1224 pwd->b[4] = helper_ret_ldub_mmu(env, addr + (3 << DF_BYTE), oi, GETPC());
1225 pwd->b[5] = helper_ret_ldub_mmu(env, addr + (2 << DF_BYTE), oi, GETPC());
1226 pwd->b[6] = helper_ret_ldub_mmu(env, addr + (1 << DF_BYTE), oi, GETPC());
1227 pwd->b[7] = helper_ret_ldub_mmu(env, addr + (0 << DF_BYTE), oi, GETPC());
1228 pwd->b[8] = helper_ret_ldub_mmu(env, addr + (15 << DF_BYTE), oi, GETPC());
1229 pwd->b[9] = helper_ret_ldub_mmu(env, addr + (14 << DF_BYTE), oi, GETPC());
1230 pwd->b[10] = helper_ret_ldub_mmu(env, addr + (13 << DF_BYTE), oi, GETPC());
1231 pwd->b[11] = helper_ret_ldub_mmu(env, addr + (12 << DF_BYTE), oi, GETPC());
1232 pwd->b[12] = helper_ret_ldub_mmu(env, addr + (11 << DF_BYTE), oi, GETPC());
1233 pwd->b[13] = helper_ret_ldub_mmu(env, addr + (10 << DF_BYTE), oi, GETPC());
1234 pwd->b[14] = helper_ret_ldub_mmu(env, addr + (9 << DF_BYTE), oi, GETPC());
1235 pwd->b[15] = helper_ret_ldub_mmu(env, addr + (8 << DF_BYTE), oi, GETPC());
1236 #endif
1237 #else
1238 #if !defined(HOST_WORDS_BIGENDIAN)
1239 pwd->b[0] = cpu_ldub_data(env, addr + (0 << DF_BYTE));
1240 pwd->b[1] = cpu_ldub_data(env, addr + (1 << DF_BYTE));
1241 pwd->b[2] = cpu_ldub_data(env, addr + (2 << DF_BYTE));
1242 pwd->b[3] = cpu_ldub_data(env, addr + (3 << DF_BYTE));
1243 pwd->b[4] = cpu_ldub_data(env, addr + (4 << DF_BYTE));
1244 pwd->b[5] = cpu_ldub_data(env, addr + (5 << DF_BYTE));
1245 pwd->b[6] = cpu_ldub_data(env, addr + (6 << DF_BYTE));
1246 pwd->b[7] = cpu_ldub_data(env, addr + (7 << DF_BYTE));
1247 pwd->b[8] = cpu_ldub_data(env, addr + (8 << DF_BYTE));
1248 pwd->b[9] = cpu_ldub_data(env, addr + (9 << DF_BYTE));
1249 pwd->b[10] = cpu_ldub_data(env, addr + (10 << DF_BYTE));
1250 pwd->b[11] = cpu_ldub_data(env, addr + (11 << DF_BYTE));
1251 pwd->b[12] = cpu_ldub_data(env, addr + (12 << DF_BYTE));
1252 pwd->b[13] = cpu_ldub_data(env, addr + (13 << DF_BYTE));
1253 pwd->b[14] = cpu_ldub_data(env, addr + (14 << DF_BYTE));
1254 pwd->b[15] = cpu_ldub_data(env, addr + (15 << DF_BYTE));
1255 #else
1256 pwd->b[0] = cpu_ldub_data(env, addr + (7 << DF_BYTE));
1257 pwd->b[1] = cpu_ldub_data(env, addr + (6 << DF_BYTE));
1258 pwd->b[2] = cpu_ldub_data(env, addr + (5 << DF_BYTE));
1259 pwd->b[3] = cpu_ldub_data(env, addr + (4 << DF_BYTE));
1260 pwd->b[4] = cpu_ldub_data(env, addr + (3 << DF_BYTE));
1261 pwd->b[5] = cpu_ldub_data(env, addr + (2 << DF_BYTE));
1262 pwd->b[6] = cpu_ldub_data(env, addr + (1 << DF_BYTE));
1263 pwd->b[7] = cpu_ldub_data(env, addr + (0 << DF_BYTE));
1264 pwd->b[8] = cpu_ldub_data(env, addr + (15 << DF_BYTE));
1265 pwd->b[9] = cpu_ldub_data(env, addr + (14 << DF_BYTE));
1266 pwd->b[10] = cpu_ldub_data(env, addr + (13 << DF_BYTE));
1267 pwd->b[11] = cpu_ldub_data(env, addr + (12 << DF_BYTE));
1268 pwd->b[12] = cpu_ldub_data(env, addr + (11 << DF_BYTE));
1269 pwd->b[13] = cpu_ldub_data(env, addr + (10 << DF_BYTE));
1270 pwd->b[14] = cpu_ldub_data(env, addr + (9 << DF_BYTE));
1271 pwd->b[15] = cpu_ldub_data(env, addr + (8 << DF_BYTE));
1272 #endif
1273 #endif
1276 void helper_msa_ld_h(CPUMIPSState *env, uint32_t wd,
1277 target_ulong addr)
1279 wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
1280 MEMOP_IDX(DF_HALF)
1281 #if !defined(CONFIG_USER_ONLY)
1282 #if !defined(HOST_WORDS_BIGENDIAN)
1283 pwd->h[0] = helper_ret_lduw_mmu(env, addr + (0 << DF_HALF), oi, GETPC());
1284 pwd->h[1] = helper_ret_lduw_mmu(env, addr + (1 << DF_HALF), oi, GETPC());
1285 pwd->h[2] = helper_ret_lduw_mmu(env, addr + (2 << DF_HALF), oi, GETPC());
1286 pwd->h[3] = helper_ret_lduw_mmu(env, addr + (3 << DF_HALF), oi, GETPC());
1287 pwd->h[4] = helper_ret_lduw_mmu(env, addr + (4 << DF_HALF), oi, GETPC());
1288 pwd->h[5] = helper_ret_lduw_mmu(env, addr + (5 << DF_HALF), oi, GETPC());
1289 pwd->h[6] = helper_ret_lduw_mmu(env, addr + (6 << DF_HALF), oi, GETPC());
1290 pwd->h[7] = helper_ret_lduw_mmu(env, addr + (7 << DF_HALF), oi, GETPC());
1291 #else
1292 pwd->h[0] = helper_ret_lduw_mmu(env, addr + (3 << DF_HALF), oi, GETPC());
1293 pwd->h[1] = helper_ret_lduw_mmu(env, addr + (2 << DF_HALF), oi, GETPC());
1294 pwd->h[2] = helper_ret_lduw_mmu(env, addr + (1 << DF_HALF), oi, GETPC());
1295 pwd->h[3] = helper_ret_lduw_mmu(env, addr + (0 << DF_HALF), oi, GETPC());
1296 pwd->h[4] = helper_ret_lduw_mmu(env, addr + (7 << DF_HALF), oi, GETPC());
1297 pwd->h[5] = helper_ret_lduw_mmu(env, addr + (6 << DF_HALF), oi, GETPC());
1298 pwd->h[6] = helper_ret_lduw_mmu(env, addr + (5 << DF_HALF), oi, GETPC());
1299 pwd->h[7] = helper_ret_lduw_mmu(env, addr + (4 << DF_HALF), oi, GETPC());
1300 #endif
1301 #else
1302 #if !defined(HOST_WORDS_BIGENDIAN)
1303 pwd->h[0] = cpu_lduw_data(env, addr + (0 << DF_HALF));
1304 pwd->h[1] = cpu_lduw_data(env, addr + (1 << DF_HALF));
1305 pwd->h[2] = cpu_lduw_data(env, addr + (2 << DF_HALF));
1306 pwd->h[3] = cpu_lduw_data(env, addr + (3 << DF_HALF));
1307 pwd->h[4] = cpu_lduw_data(env, addr + (4 << DF_HALF));
1308 pwd->h[5] = cpu_lduw_data(env, addr + (5 << DF_HALF));
1309 pwd->h[6] = cpu_lduw_data(env, addr + (6 << DF_HALF));
1310 pwd->h[7] = cpu_lduw_data(env, addr + (7 << DF_HALF));
1311 #else
1312 pwd->h[0] = cpu_lduw_data(env, addr + (3 << DF_HALF));
1313 pwd->h[1] = cpu_lduw_data(env, addr + (2 << DF_HALF));
1314 pwd->h[2] = cpu_lduw_data(env, addr + (1 << DF_HALF));
1315 pwd->h[3] = cpu_lduw_data(env, addr + (0 << DF_HALF));
1316 pwd->h[4] = cpu_lduw_data(env, addr + (7 << DF_HALF));
1317 pwd->h[5] = cpu_lduw_data(env, addr + (6 << DF_HALF));
1318 pwd->h[6] = cpu_lduw_data(env, addr + (5 << DF_HALF));
1319 pwd->h[7] = cpu_lduw_data(env, addr + (4 << DF_HALF));
1320 #endif
1321 #endif
1324 void helper_msa_ld_w(CPUMIPSState *env, uint32_t wd,
1325 target_ulong addr)
1327 wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
1328 MEMOP_IDX(DF_WORD)
1329 #if !defined(CONFIG_USER_ONLY)
1330 #if !defined(HOST_WORDS_BIGENDIAN)
1331 pwd->w[0] = helper_ret_ldul_mmu(env, addr + (0 << DF_WORD), oi, GETPC());
1332 pwd->w[1] = helper_ret_ldul_mmu(env, addr + (1 << DF_WORD), oi, GETPC());
1333 pwd->w[2] = helper_ret_ldul_mmu(env, addr + (2 << DF_WORD), oi, GETPC());
1334 pwd->w[3] = helper_ret_ldul_mmu(env, addr + (3 << DF_WORD), oi, GETPC());
1335 #else
1336 pwd->w[0] = helper_ret_ldul_mmu(env, addr + (1 << DF_WORD), oi, GETPC());
1337 pwd->w[1] = helper_ret_ldul_mmu(env, addr + (0 << DF_WORD), oi, GETPC());
1338 pwd->w[2] = helper_ret_ldul_mmu(env, addr + (3 << DF_WORD), oi, GETPC());
1339 pwd->w[3] = helper_ret_ldul_mmu(env, addr + (2 << DF_WORD), oi, GETPC());
1340 #endif
1341 #else
1342 #if !defined(HOST_WORDS_BIGENDIAN)
1343 pwd->w[0] = cpu_ldl_data(env, addr + (0 << DF_WORD));
1344 pwd->w[1] = cpu_ldl_data(env, addr + (1 << DF_WORD));
1345 pwd->w[2] = cpu_ldl_data(env, addr + (2 << DF_WORD));
1346 pwd->w[3] = cpu_ldl_data(env, addr + (3 << DF_WORD));
1347 #else
1348 pwd->w[0] = cpu_ldl_data(env, addr + (1 << DF_WORD));
1349 pwd->w[1] = cpu_ldl_data(env, addr + (0 << DF_WORD));
1350 pwd->w[2] = cpu_ldl_data(env, addr + (3 << DF_WORD));
1351 pwd->w[3] = cpu_ldl_data(env, addr + (2 << DF_WORD));
1352 #endif
1353 #endif
1356 void helper_msa_ld_d(CPUMIPSState *env, uint32_t wd,
1357 target_ulong addr)
1359 wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
1360 MEMOP_IDX(DF_DOUBLE)
1361 #if !defined(CONFIG_USER_ONLY)
1362 pwd->d[0] = helper_ret_ldq_mmu(env, addr + (0 << DF_DOUBLE), oi, GETPC());
1363 pwd->d[1] = helper_ret_ldq_mmu(env, addr + (1 << DF_DOUBLE), oi, GETPC());
1364 #else
1365 pwd->d[0] = cpu_ldq_data(env, addr + (0 << DF_DOUBLE));
1366 pwd->d[1] = cpu_ldq_data(env, addr + (1 << DF_DOUBLE));
1367 #endif
1370 #define MSA_PAGESPAN(x) \
1371 ((((x) & ~TARGET_PAGE_MASK) + MSA_WRLEN / 8 - 1) >= TARGET_PAGE_SIZE)
1373 static inline void ensure_writable_pages(CPUMIPSState *env,
1374 target_ulong addr,
1375 int mmu_idx,
1376 uintptr_t retaddr)
1378 /* FIXME: Probe the actual accesses (pass and use a size) */
1379 if (unlikely(MSA_PAGESPAN(addr))) {
1380 /* first page */
1381 probe_write(env, addr, 0, mmu_idx, retaddr);
1382 /* second page */
1383 addr = (addr & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE;
1384 probe_write(env, addr, 0, mmu_idx, retaddr);
1388 void helper_msa_st_b(CPUMIPSState *env, uint32_t wd,
1389 target_ulong addr)
1391 wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
1392 int mmu_idx = cpu_mmu_index(env, false);
1394 MEMOP_IDX(DF_BYTE)
1395 ensure_writable_pages(env, addr, mmu_idx, GETPC());
1396 #if !defined(CONFIG_USER_ONLY)
1397 #if !defined(HOST_WORDS_BIGENDIAN)
1398 helper_ret_stb_mmu(env, addr + (0 << DF_BYTE), pwd->b[0], oi, GETPC());
1399 helper_ret_stb_mmu(env, addr + (1 << DF_BYTE), pwd->b[1], oi, GETPC());
1400 helper_ret_stb_mmu(env, addr + (2 << DF_BYTE), pwd->b[2], oi, GETPC());
1401 helper_ret_stb_mmu(env, addr + (3 << DF_BYTE), pwd->b[3], oi, GETPC());
1402 helper_ret_stb_mmu(env, addr + (4 << DF_BYTE), pwd->b[4], oi, GETPC());
1403 helper_ret_stb_mmu(env, addr + (5 << DF_BYTE), pwd->b[5], oi, GETPC());
1404 helper_ret_stb_mmu(env, addr + (6 << DF_BYTE), pwd->b[6], oi, GETPC());
1405 helper_ret_stb_mmu(env, addr + (7 << DF_BYTE), pwd->b[7], oi, GETPC());
1406 helper_ret_stb_mmu(env, addr + (8 << DF_BYTE), pwd->b[8], oi, GETPC());
1407 helper_ret_stb_mmu(env, addr + (9 << DF_BYTE), pwd->b[9], oi, GETPC());
1408 helper_ret_stb_mmu(env, addr + (10 << DF_BYTE), pwd->b[10], oi, GETPC());
1409 helper_ret_stb_mmu(env, addr + (11 << DF_BYTE), pwd->b[11], oi, GETPC());
1410 helper_ret_stb_mmu(env, addr + (12 << DF_BYTE), pwd->b[12], oi, GETPC());
1411 helper_ret_stb_mmu(env, addr + (13 << DF_BYTE), pwd->b[13], oi, GETPC());
1412 helper_ret_stb_mmu(env, addr + (14 << DF_BYTE), pwd->b[14], oi, GETPC());
1413 helper_ret_stb_mmu(env, addr + (15 << DF_BYTE), pwd->b[15], oi, GETPC());
1414 #else
1415 helper_ret_stb_mmu(env, addr + (7 << DF_BYTE), pwd->b[0], oi, GETPC());
1416 helper_ret_stb_mmu(env, addr + (6 << DF_BYTE), pwd->b[1], oi, GETPC());
1417 helper_ret_stb_mmu(env, addr + (5 << DF_BYTE), pwd->b[2], oi, GETPC());
1418 helper_ret_stb_mmu(env, addr + (4 << DF_BYTE), pwd->b[3], oi, GETPC());
1419 helper_ret_stb_mmu(env, addr + (3 << DF_BYTE), pwd->b[4], oi, GETPC());
1420 helper_ret_stb_mmu(env, addr + (2 << DF_BYTE), pwd->b[5], oi, GETPC());
1421 helper_ret_stb_mmu(env, addr + (1 << DF_BYTE), pwd->b[6], oi, GETPC());
1422 helper_ret_stb_mmu(env, addr + (0 << DF_BYTE), pwd->b[7], oi, GETPC());
1423 helper_ret_stb_mmu(env, addr + (15 << DF_BYTE), pwd->b[8], oi, GETPC());
1424 helper_ret_stb_mmu(env, addr + (14 << DF_BYTE), pwd->b[9], oi, GETPC());
1425 helper_ret_stb_mmu(env, addr + (13 << DF_BYTE), pwd->b[10], oi, GETPC());
1426 helper_ret_stb_mmu(env, addr + (12 << DF_BYTE), pwd->b[11], oi, GETPC());
1427 helper_ret_stb_mmu(env, addr + (11 << DF_BYTE), pwd->b[12], oi, GETPC());
1428 helper_ret_stb_mmu(env, addr + (10 << DF_BYTE), pwd->b[13], oi, GETPC());
1429 helper_ret_stb_mmu(env, addr + (9 << DF_BYTE), pwd->b[14], oi, GETPC());
1430 helper_ret_stb_mmu(env, addr + (8 << DF_BYTE), pwd->b[15], oi, GETPC());
1431 #endif
1432 #else
1433 #if !defined(HOST_WORDS_BIGENDIAN)
1434 cpu_stb_data(env, addr + (0 << DF_BYTE), pwd->b[0]);
1435 cpu_stb_data(env, addr + (1 << DF_BYTE), pwd->b[1]);
1436 cpu_stb_data(env, addr + (2 << DF_BYTE), pwd->b[2]);
1437 cpu_stb_data(env, addr + (3 << DF_BYTE), pwd->b[3]);
1438 cpu_stb_data(env, addr + (4 << DF_BYTE), pwd->b[4]);
1439 cpu_stb_data(env, addr + (5 << DF_BYTE), pwd->b[5]);
1440 cpu_stb_data(env, addr + (6 << DF_BYTE), pwd->b[6]);
1441 cpu_stb_data(env, addr + (7 << DF_BYTE), pwd->b[7]);
1442 cpu_stb_data(env, addr + (8 << DF_BYTE), pwd->b[8]);
1443 cpu_stb_data(env, addr + (9 << DF_BYTE), pwd->b[9]);
1444 cpu_stb_data(env, addr + (10 << DF_BYTE), pwd->b[10]);
1445 cpu_stb_data(env, addr + (11 << DF_BYTE), pwd->b[11]);
1446 cpu_stb_data(env, addr + (12 << DF_BYTE), pwd->b[12]);
1447 cpu_stb_data(env, addr + (13 << DF_BYTE), pwd->b[13]);
1448 cpu_stb_data(env, addr + (14 << DF_BYTE), pwd->b[14]);
1449 cpu_stb_data(env, addr + (15 << DF_BYTE), pwd->b[15]);
1450 #else
1451 cpu_stb_data(env, addr + (7 << DF_BYTE), pwd->b[0]);
1452 cpu_stb_data(env, addr + (6 << DF_BYTE), pwd->b[1]);
1453 cpu_stb_data(env, addr + (5 << DF_BYTE), pwd->b[2]);
1454 cpu_stb_data(env, addr + (4 << DF_BYTE), pwd->b[3]);
1455 cpu_stb_data(env, addr + (3 << DF_BYTE), pwd->b[4]);
1456 cpu_stb_data(env, addr + (2 << DF_BYTE), pwd->b[5]);
1457 cpu_stb_data(env, addr + (1 << DF_BYTE), pwd->b[6]);
1458 cpu_stb_data(env, addr + (0 << DF_BYTE), pwd->b[7]);
1459 cpu_stb_data(env, addr + (15 << DF_BYTE), pwd->b[8]);
1460 cpu_stb_data(env, addr + (14 << DF_BYTE), pwd->b[9]);
1461 cpu_stb_data(env, addr + (13 << DF_BYTE), pwd->b[10]);
1462 cpu_stb_data(env, addr + (12 << DF_BYTE), pwd->b[11]);
1463 cpu_stb_data(env, addr + (11 << DF_BYTE), pwd->b[12]);
1464 cpu_stb_data(env, addr + (10 << DF_BYTE), pwd->b[13]);
1465 cpu_stb_data(env, addr + (9 << DF_BYTE), pwd->b[14]);
1466 cpu_stb_data(env, addr + (8 << DF_BYTE), pwd->b[15]);
1467 #endif
1468 #endif
1471 void helper_msa_st_h(CPUMIPSState *env, uint32_t wd,
1472 target_ulong addr)
1474 wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
1475 int mmu_idx = cpu_mmu_index(env, false);
1477 MEMOP_IDX(DF_HALF)
1478 ensure_writable_pages(env, addr, mmu_idx, GETPC());
1479 #if !defined(CONFIG_USER_ONLY)
1480 #if !defined(HOST_WORDS_BIGENDIAN)
1481 helper_ret_stw_mmu(env, addr + (0 << DF_HALF), pwd->h[0], oi, GETPC());
1482 helper_ret_stw_mmu(env, addr + (1 << DF_HALF), pwd->h[1], oi, GETPC());
1483 helper_ret_stw_mmu(env, addr + (2 << DF_HALF), pwd->h[2], oi, GETPC());
1484 helper_ret_stw_mmu(env, addr + (3 << DF_HALF), pwd->h[3], oi, GETPC());
1485 helper_ret_stw_mmu(env, addr + (4 << DF_HALF), pwd->h[4], oi, GETPC());
1486 helper_ret_stw_mmu(env, addr + (5 << DF_HALF), pwd->h[5], oi, GETPC());
1487 helper_ret_stw_mmu(env, addr + (6 << DF_HALF), pwd->h[6], oi, GETPC());
1488 helper_ret_stw_mmu(env, addr + (7 << DF_HALF), pwd->h[7], oi, GETPC());
1489 #else
1490 helper_ret_stw_mmu(env, addr + (3 << DF_HALF), pwd->h[0], oi, GETPC());
1491 helper_ret_stw_mmu(env, addr + (2 << DF_HALF), pwd->h[1], oi, GETPC());
1492 helper_ret_stw_mmu(env, addr + (1 << DF_HALF), pwd->h[2], oi, GETPC());
1493 helper_ret_stw_mmu(env, addr + (0 << DF_HALF), pwd->h[3], oi, GETPC());
1494 helper_ret_stw_mmu(env, addr + (7 << DF_HALF), pwd->h[4], oi, GETPC());
1495 helper_ret_stw_mmu(env, addr + (6 << DF_HALF), pwd->h[5], oi, GETPC());
1496 helper_ret_stw_mmu(env, addr + (5 << DF_HALF), pwd->h[6], oi, GETPC());
1497 helper_ret_stw_mmu(env, addr + (4 << DF_HALF), pwd->h[7], oi, GETPC());
1498 #endif
1499 #else
1500 #if !defined(HOST_WORDS_BIGENDIAN)
1501 cpu_stw_data(env, addr + (0 << DF_HALF), pwd->h[0]);
1502 cpu_stw_data(env, addr + (1 << DF_HALF), pwd->h[1]);
1503 cpu_stw_data(env, addr + (2 << DF_HALF), pwd->h[2]);
1504 cpu_stw_data(env, addr + (3 << DF_HALF), pwd->h[3]);
1505 cpu_stw_data(env, addr + (4 << DF_HALF), pwd->h[4]);
1506 cpu_stw_data(env, addr + (5 << DF_HALF), pwd->h[5]);
1507 cpu_stw_data(env, addr + (6 << DF_HALF), pwd->h[6]);
1508 cpu_stw_data(env, addr + (7 << DF_HALF), pwd->h[7]);
1509 #else
1510 cpu_stw_data(env, addr + (3 << DF_HALF), pwd->h[0]);
1511 cpu_stw_data(env, addr + (2 << DF_HALF), pwd->h[1]);
1512 cpu_stw_data(env, addr + (1 << DF_HALF), pwd->h[2]);
1513 cpu_stw_data(env, addr + (0 << DF_HALF), pwd->h[3]);
1514 cpu_stw_data(env, addr + (7 << DF_HALF), pwd->h[4]);
1515 cpu_stw_data(env, addr + (6 << DF_HALF), pwd->h[5]);
1516 cpu_stw_data(env, addr + (5 << DF_HALF), pwd->h[6]);
1517 cpu_stw_data(env, addr + (4 << DF_HALF), pwd->h[7]);
1518 #endif
1519 #endif
1522 void helper_msa_st_w(CPUMIPSState *env, uint32_t wd,
1523 target_ulong addr)
1525 wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
1526 int mmu_idx = cpu_mmu_index(env, false);
1528 MEMOP_IDX(DF_WORD)
1529 ensure_writable_pages(env, addr, mmu_idx, GETPC());
1530 #if !defined(CONFIG_USER_ONLY)
1531 #if !defined(HOST_WORDS_BIGENDIAN)
1532 helper_ret_stl_mmu(env, addr + (0 << DF_WORD), pwd->w[0], oi, GETPC());
1533 helper_ret_stl_mmu(env, addr + (1 << DF_WORD), pwd->w[1], oi, GETPC());
1534 helper_ret_stl_mmu(env, addr + (2 << DF_WORD), pwd->w[2], oi, GETPC());
1535 helper_ret_stl_mmu(env, addr + (3 << DF_WORD), pwd->w[3], oi, GETPC());
1536 #else
1537 helper_ret_stl_mmu(env, addr + (1 << DF_WORD), pwd->w[0], oi, GETPC());
1538 helper_ret_stl_mmu(env, addr + (0 << DF_WORD), pwd->w[1], oi, GETPC());
1539 helper_ret_stl_mmu(env, addr + (3 << DF_WORD), pwd->w[2], oi, GETPC());
1540 helper_ret_stl_mmu(env, addr + (2 << DF_WORD), pwd->w[3], oi, GETPC());
1541 #endif
1542 #else
1543 #if !defined(HOST_WORDS_BIGENDIAN)
1544 cpu_stl_data(env, addr + (0 << DF_WORD), pwd->w[0]);
1545 cpu_stl_data(env, addr + (1 << DF_WORD), pwd->w[1]);
1546 cpu_stl_data(env, addr + (2 << DF_WORD), pwd->w[2]);
1547 cpu_stl_data(env, addr + (3 << DF_WORD), pwd->w[3]);
1548 #else
1549 cpu_stl_data(env, addr + (1 << DF_WORD), pwd->w[0]);
1550 cpu_stl_data(env, addr + (0 << DF_WORD), pwd->w[1]);
1551 cpu_stl_data(env, addr + (3 << DF_WORD), pwd->w[2]);
1552 cpu_stl_data(env, addr + (2 << DF_WORD), pwd->w[3]);
1553 #endif
1554 #endif
1557 void helper_msa_st_d(CPUMIPSState *env, uint32_t wd,
1558 target_ulong addr)
1560 wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
1561 int mmu_idx = cpu_mmu_index(env, false);
1563 MEMOP_IDX(DF_DOUBLE)
1564 ensure_writable_pages(env, addr, mmu_idx, GETPC());
1565 #if !defined(CONFIG_USER_ONLY)
1566 helper_ret_stq_mmu(env, addr + (0 << DF_DOUBLE), pwd->d[0], oi, GETPC());
1567 helper_ret_stq_mmu(env, addr + (1 << DF_DOUBLE), pwd->d[1], oi, GETPC());
1568 #else
1569 cpu_stq_data(env, addr + (0 << DF_DOUBLE), pwd->d[0]);
1570 cpu_stq_data(env, addr + (1 << DF_DOUBLE), pwd->d[1]);
1571 #endif
1574 void helper_cache(CPUMIPSState *env, target_ulong addr, uint32_t op)
1576 #ifndef CONFIG_USER_ONLY
1577 static const char *const type_name[] = {
1578 "Primary Instruction",
1579 "Primary Data or Unified Primary",
1580 "Tertiary",
1581 "Secondary"
1583 uint32_t cache_type = extract32(op, 0, 2);
1584 uint32_t cache_operation = extract32(op, 2, 3);
1585 target_ulong index = addr & 0x1fffffff;
1587 switch (cache_operation) {
1588 case 0b010: /* Index Store Tag */
1589 memory_region_dispatch_write(env->itc_tag, index, env->CP0_TagLo,
1590 MO_64, MEMTXATTRS_UNSPECIFIED);
1591 break;
1592 case 0b001: /* Index Load Tag */
1593 memory_region_dispatch_read(env->itc_tag, index, &env->CP0_TagLo,
1594 MO_64, MEMTXATTRS_UNSPECIFIED);
1595 break;
1596 case 0b000: /* Index Invalidate */
1597 case 0b100: /* Hit Invalidate */
1598 case 0b110: /* Hit Writeback */
1599 /* no-op */
1600 break;
1601 default:
1602 qemu_log_mask(LOG_UNIMP, "cache operation:%u (type: %s cache)\n",
1603 cache_operation, type_name[cache_type]);
1604 break;
1606 #endif