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 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 "host-utils.h"
25 #if !defined(CONFIG_USER_ONLY)
26 #include "softmmu_exec.h"
27 #endif /* !defined(CONFIG_USER_ONLY) */
29 #ifndef CONFIG_USER_ONLY
30 static inline void cpu_mips_tlb_flush (CPUMIPSState *env, int flush_global);
33 /*****************************************************************************/
34 /* Exceptions processing helpers */
36 void helper_raise_exception_err(CPUMIPSState *env, uint32_t exception,
40 if (exception < 0x100)
41 qemu_log("%s: %d %d\n", __func__, exception, error_code);
43 env->exception_index = exception;
44 env->error_code = error_code;
48 void helper_raise_exception(CPUMIPSState *env, uint32_t exception)
50 helper_raise_exception_err(env, exception, 0);
53 #if !defined(CONFIG_USER_ONLY)
54 static void do_restore_state(CPUMIPSState *env, uintptr_t pc)
60 cpu_restore_state(tb, env, pc);
65 #if defined(CONFIG_USER_ONLY)
66 #define HELPER_LD(name, insn, type) \
67 static inline type do_##name(CPUMIPSState *env, target_ulong addr, \
70 return (type) insn##_raw(addr); \
73 #define HELPER_LD(name, insn, type) \
74 static inline type do_##name(CPUMIPSState *env, target_ulong addr, \
79 case 0: return (type) cpu_##insn##_kernel(env, addr); break; \
80 case 1: return (type) cpu_##insn##_super(env, addr); break; \
82 case 2: return (type) cpu_##insn##_user(env, addr); break; \
86 HELPER_LD(lbu, ldub, uint8_t)
87 HELPER_LD(lw, ldl, int32_t)
89 HELPER_LD(ld, ldq, int64_t)
93 #if defined(CONFIG_USER_ONLY)
94 #define HELPER_ST(name, insn, type) \
95 static inline void do_##name(CPUMIPSState *env, target_ulong addr, \
96 type val, int mem_idx) \
98 insn##_raw(addr, val); \
101 #define HELPER_ST(name, insn, type) \
102 static inline void do_##name(CPUMIPSState *env, target_ulong addr, \
103 type val, int mem_idx) \
107 case 0: cpu_##insn##_kernel(env, addr, val); break; \
108 case 1: cpu_##insn##_super(env, addr, val); break; \
110 case 2: cpu_##insn##_user(env, addr, val); break; \
114 HELPER_ST(sb, stb, uint8_t)
115 HELPER_ST(sw, stl, uint32_t)
117 HELPER_ST(sd, stq, uint64_t)
121 target_ulong helper_clo (target_ulong arg1)
126 target_ulong helper_clz (target_ulong arg1)
131 #if defined(TARGET_MIPS64)
132 target_ulong helper_dclo (target_ulong arg1)
137 target_ulong helper_dclz (target_ulong arg1)
141 #endif /* TARGET_MIPS64 */
143 /* 64 bits arithmetic for 32 bits hosts */
144 static inline uint64_t get_HILO(CPUMIPSState *env)
146 return ((uint64_t)(env->active_tc.HI[0]) << 32) | (uint32_t)env->active_tc.LO[0];
149 static inline target_ulong set_HIT0_LO(CPUMIPSState *env, uint64_t HILO)
152 env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF);
153 tmp = env->active_tc.HI[0] = (int32_t)(HILO >> 32);
157 static inline target_ulong set_HI_LOT0(CPUMIPSState *env, uint64_t HILO)
159 target_ulong tmp = env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF);
160 env->active_tc.HI[0] = (int32_t)(HILO >> 32);
164 /* Multiplication variants of the vr54xx. */
165 target_ulong helper_muls(CPUMIPSState *env, target_ulong arg1,
168 return set_HI_LOT0(env, 0 - ((int64_t)(int32_t)arg1 *
169 (int64_t)(int32_t)arg2));
172 target_ulong helper_mulsu(CPUMIPSState *env, target_ulong arg1,
175 return set_HI_LOT0(env, 0 - (uint64_t)(uint32_t)arg1 *
176 (uint64_t)(uint32_t)arg2);
179 target_ulong helper_macc(CPUMIPSState *env, target_ulong arg1,
182 return set_HI_LOT0(env, (int64_t)get_HILO(env) + (int64_t)(int32_t)arg1 *
183 (int64_t)(int32_t)arg2);
186 target_ulong helper_macchi(CPUMIPSState *env, target_ulong arg1,
189 return set_HIT0_LO(env, (int64_t)get_HILO(env) + (int64_t)(int32_t)arg1 *
190 (int64_t)(int32_t)arg2);
193 target_ulong helper_maccu(CPUMIPSState *env, target_ulong arg1,
196 return set_HI_LOT0(env, (uint64_t)get_HILO(env) +
197 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
200 target_ulong helper_macchiu(CPUMIPSState *env, target_ulong arg1,
203 return set_HIT0_LO(env, (uint64_t)get_HILO(env) +
204 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
207 target_ulong helper_msac(CPUMIPSState *env, target_ulong arg1,
210 return set_HI_LOT0(env, (int64_t)get_HILO(env) - (int64_t)(int32_t)arg1 *
211 (int64_t)(int32_t)arg2);
214 target_ulong helper_msachi(CPUMIPSState *env, target_ulong arg1,
217 return set_HIT0_LO(env, (int64_t)get_HILO(env) - (int64_t)(int32_t)arg1 *
218 (int64_t)(int32_t)arg2);
221 target_ulong helper_msacu(CPUMIPSState *env, target_ulong arg1,
224 return set_HI_LOT0(env, (uint64_t)get_HILO(env) -
225 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
228 target_ulong helper_msachiu(CPUMIPSState *env, target_ulong arg1,
231 return set_HIT0_LO(env, (uint64_t)get_HILO(env) -
232 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
235 target_ulong helper_mulhi(CPUMIPSState *env, target_ulong arg1,
238 return set_HIT0_LO(env, (int64_t)(int32_t)arg1 * (int64_t)(int32_t)arg2);
241 target_ulong helper_mulhiu(CPUMIPSState *env, target_ulong arg1,
244 return set_HIT0_LO(env, (uint64_t)(uint32_t)arg1 *
245 (uint64_t)(uint32_t)arg2);
248 target_ulong helper_mulshi(CPUMIPSState *env, target_ulong arg1,
251 return set_HIT0_LO(env, 0 - (int64_t)(int32_t)arg1 *
252 (int64_t)(int32_t)arg2);
255 target_ulong helper_mulshiu(CPUMIPSState *env, target_ulong arg1,
258 return set_HIT0_LO(env, 0 - (uint64_t)(uint32_t)arg1 *
259 (uint64_t)(uint32_t)arg2);
263 void helper_dmult(CPUMIPSState *env, target_ulong arg1, target_ulong arg2)
265 muls64(&(env->active_tc.LO[0]), &(env->active_tc.HI[0]), arg1, arg2);
268 void helper_dmultu(CPUMIPSState *env, target_ulong arg1, target_ulong arg2)
270 mulu64(&(env->active_tc.LO[0]), &(env->active_tc.HI[0]), arg1, arg2);
274 #ifndef CONFIG_USER_ONLY
276 static inline hwaddr do_translate_address(CPUMIPSState *env,
277 target_ulong address,
282 lladdr = cpu_mips_translate_address(env, address, rw);
284 if (lladdr == -1LL) {
291 #define HELPER_LD_ATOMIC(name, insn) \
292 target_ulong helper_##name(CPUMIPSState *env, target_ulong arg, int mem_idx) \
294 env->lladdr = do_translate_address(env, arg, 0); \
295 env->llval = do_##insn(env, arg, mem_idx); \
298 HELPER_LD_ATOMIC(ll, lw)
300 HELPER_LD_ATOMIC(lld, ld)
302 #undef HELPER_LD_ATOMIC
304 #define HELPER_ST_ATOMIC(name, ld_insn, st_insn, almask) \
305 target_ulong helper_##name(CPUMIPSState *env, target_ulong arg1, \
306 target_ulong arg2, int mem_idx) \
310 if (arg2 & almask) { \
311 env->CP0_BadVAddr = arg2; \
312 helper_raise_exception(env, EXCP_AdES); \
314 if (do_translate_address(env, arg2, 1) == env->lladdr) { \
315 tmp = do_##ld_insn(env, arg2, mem_idx); \
316 if (tmp == env->llval) { \
317 do_##st_insn(env, arg2, arg1, mem_idx); \
323 HELPER_ST_ATOMIC(sc, lw, sw, 0x3)
325 HELPER_ST_ATOMIC(scd, ld, sd, 0x7)
327 #undef HELPER_ST_ATOMIC
330 #ifdef TARGET_WORDS_BIGENDIAN
331 #define GET_LMASK(v) ((v) & 3)
332 #define GET_OFFSET(addr, offset) (addr + (offset))
334 #define GET_LMASK(v) (((v) & 3) ^ 3)
335 #define GET_OFFSET(addr, offset) (addr - (offset))
338 target_ulong helper_lwl(CPUMIPSState *env, target_ulong arg1,
339 target_ulong arg2, int mem_idx)
343 tmp = do_lbu(env, arg2, mem_idx);
344 arg1 = (arg1 & 0x00FFFFFF) | (tmp << 24);
346 if (GET_LMASK(arg2) <= 2) {
347 tmp = do_lbu(env, GET_OFFSET(arg2, 1), mem_idx);
348 arg1 = (arg1 & 0xFF00FFFF) | (tmp << 16);
351 if (GET_LMASK(arg2) <= 1) {
352 tmp = do_lbu(env, GET_OFFSET(arg2, 2), mem_idx);
353 arg1 = (arg1 & 0xFFFF00FF) | (tmp << 8);
356 if (GET_LMASK(arg2) == 0) {
357 tmp = do_lbu(env, GET_OFFSET(arg2, 3), mem_idx);
358 arg1 = (arg1 & 0xFFFFFF00) | tmp;
360 return (int32_t)arg1;
363 target_ulong helper_lwr(CPUMIPSState *env, target_ulong arg1,
364 target_ulong arg2, int mem_idx)
368 tmp = do_lbu(env, arg2, mem_idx);
369 arg1 = (arg1 & 0xFFFFFF00) | tmp;
371 if (GET_LMASK(arg2) >= 1) {
372 tmp = do_lbu(env, GET_OFFSET(arg2, -1), mem_idx);
373 arg1 = (arg1 & 0xFFFF00FF) | (tmp << 8);
376 if (GET_LMASK(arg2) >= 2) {
377 tmp = do_lbu(env, GET_OFFSET(arg2, -2), mem_idx);
378 arg1 = (arg1 & 0xFF00FFFF) | (tmp << 16);
381 if (GET_LMASK(arg2) == 3) {
382 tmp = do_lbu(env, GET_OFFSET(arg2, -3), mem_idx);
383 arg1 = (arg1 & 0x00FFFFFF) | (tmp << 24);
385 return (int32_t)arg1;
388 void helper_swl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
391 do_sb(env, arg2, (uint8_t)(arg1 >> 24), mem_idx);
393 if (GET_LMASK(arg2) <= 2)
394 do_sb(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 16), mem_idx);
396 if (GET_LMASK(arg2) <= 1)
397 do_sb(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 8), mem_idx);
399 if (GET_LMASK(arg2) == 0)
400 do_sb(env, GET_OFFSET(arg2, 3), (uint8_t)arg1, mem_idx);
403 void helper_swr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
406 do_sb(env, arg2, (uint8_t)arg1, mem_idx);
408 if (GET_LMASK(arg2) >= 1)
409 do_sb(env, GET_OFFSET(arg2, -1), (uint8_t)(arg1 >> 8), mem_idx);
411 if (GET_LMASK(arg2) >= 2)
412 do_sb(env, GET_OFFSET(arg2, -2), (uint8_t)(arg1 >> 16), mem_idx);
414 if (GET_LMASK(arg2) == 3)
415 do_sb(env, GET_OFFSET(arg2, -3), (uint8_t)(arg1 >> 24), mem_idx);
418 #if defined(TARGET_MIPS64)
419 /* "half" load and stores. We must do the memory access inline,
420 or fault handling won't work. */
422 #ifdef TARGET_WORDS_BIGENDIAN
423 #define GET_LMASK64(v) ((v) & 7)
425 #define GET_LMASK64(v) (((v) & 7) ^ 7)
428 target_ulong helper_ldl(CPUMIPSState *env, target_ulong arg1,
429 target_ulong arg2, int mem_idx)
433 tmp = do_lbu(env, arg2, mem_idx);
434 arg1 = (arg1 & 0x00FFFFFFFFFFFFFFULL) | (tmp << 56);
436 if (GET_LMASK64(arg2) <= 6) {
437 tmp = do_lbu(env, GET_OFFSET(arg2, 1), mem_idx);
438 arg1 = (arg1 & 0xFF00FFFFFFFFFFFFULL) | (tmp << 48);
441 if (GET_LMASK64(arg2) <= 5) {
442 tmp = do_lbu(env, GET_OFFSET(arg2, 2), mem_idx);
443 arg1 = (arg1 & 0xFFFF00FFFFFFFFFFULL) | (tmp << 40);
446 if (GET_LMASK64(arg2) <= 4) {
447 tmp = do_lbu(env, GET_OFFSET(arg2, 3), mem_idx);
448 arg1 = (arg1 & 0xFFFFFF00FFFFFFFFULL) | (tmp << 32);
451 if (GET_LMASK64(arg2) <= 3) {
452 tmp = do_lbu(env, GET_OFFSET(arg2, 4), mem_idx);
453 arg1 = (arg1 & 0xFFFFFFFF00FFFFFFULL) | (tmp << 24);
456 if (GET_LMASK64(arg2) <= 2) {
457 tmp = do_lbu(env, GET_OFFSET(arg2, 5), mem_idx);
458 arg1 = (arg1 & 0xFFFFFFFFFF00FFFFULL) | (tmp << 16);
461 if (GET_LMASK64(arg2) <= 1) {
462 tmp = do_lbu(env, GET_OFFSET(arg2, 6), mem_idx);
463 arg1 = (arg1 & 0xFFFFFFFFFFFF00FFULL) | (tmp << 8);
466 if (GET_LMASK64(arg2) == 0) {
467 tmp = do_lbu(env, GET_OFFSET(arg2, 7), mem_idx);
468 arg1 = (arg1 & 0xFFFFFFFFFFFFFF00ULL) | tmp;
474 target_ulong helper_ldr(CPUMIPSState *env, target_ulong arg1,
475 target_ulong arg2, int mem_idx)
479 tmp = do_lbu(env, arg2, mem_idx);
480 arg1 = (arg1 & 0xFFFFFFFFFFFFFF00ULL) | tmp;
482 if (GET_LMASK64(arg2) >= 1) {
483 tmp = do_lbu(env, GET_OFFSET(arg2, -1), mem_idx);
484 arg1 = (arg1 & 0xFFFFFFFFFFFF00FFULL) | (tmp << 8);
487 if (GET_LMASK64(arg2) >= 2) {
488 tmp = do_lbu(env, GET_OFFSET(arg2, -2), mem_idx);
489 arg1 = (arg1 & 0xFFFFFFFFFF00FFFFULL) | (tmp << 16);
492 if (GET_LMASK64(arg2) >= 3) {
493 tmp = do_lbu(env, GET_OFFSET(arg2, -3), mem_idx);
494 arg1 = (arg1 & 0xFFFFFFFF00FFFFFFULL) | (tmp << 24);
497 if (GET_LMASK64(arg2) >= 4) {
498 tmp = do_lbu(env, GET_OFFSET(arg2, -4), mem_idx);
499 arg1 = (arg1 & 0xFFFFFF00FFFFFFFFULL) | (tmp << 32);
502 if (GET_LMASK64(arg2) >= 5) {
503 tmp = do_lbu(env, GET_OFFSET(arg2, -5), mem_idx);
504 arg1 = (arg1 & 0xFFFF00FFFFFFFFFFULL) | (tmp << 40);
507 if (GET_LMASK64(arg2) >= 6) {
508 tmp = do_lbu(env, GET_OFFSET(arg2, -6), mem_idx);
509 arg1 = (arg1 & 0xFF00FFFFFFFFFFFFULL) | (tmp << 48);
512 if (GET_LMASK64(arg2) == 7) {
513 tmp = do_lbu(env, GET_OFFSET(arg2, -7), mem_idx);
514 arg1 = (arg1 & 0x00FFFFFFFFFFFFFFULL) | (tmp << 56);
520 void helper_sdl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
523 do_sb(env, arg2, (uint8_t)(arg1 >> 56), mem_idx);
525 if (GET_LMASK64(arg2) <= 6)
526 do_sb(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 48), mem_idx);
528 if (GET_LMASK64(arg2) <= 5)
529 do_sb(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 40), mem_idx);
531 if (GET_LMASK64(arg2) <= 4)
532 do_sb(env, GET_OFFSET(arg2, 3), (uint8_t)(arg1 >> 32), mem_idx);
534 if (GET_LMASK64(arg2) <= 3)
535 do_sb(env, GET_OFFSET(arg2, 4), (uint8_t)(arg1 >> 24), mem_idx);
537 if (GET_LMASK64(arg2) <= 2)
538 do_sb(env, GET_OFFSET(arg2, 5), (uint8_t)(arg1 >> 16), mem_idx);
540 if (GET_LMASK64(arg2) <= 1)
541 do_sb(env, GET_OFFSET(arg2, 6), (uint8_t)(arg1 >> 8), mem_idx);
543 if (GET_LMASK64(arg2) <= 0)
544 do_sb(env, GET_OFFSET(arg2, 7), (uint8_t)arg1, mem_idx);
547 void helper_sdr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
550 do_sb(env, arg2, (uint8_t)arg1, mem_idx);
552 if (GET_LMASK64(arg2) >= 1)
553 do_sb(env, GET_OFFSET(arg2, -1), (uint8_t)(arg1 >> 8), mem_idx);
555 if (GET_LMASK64(arg2) >= 2)
556 do_sb(env, GET_OFFSET(arg2, -2), (uint8_t)(arg1 >> 16), mem_idx);
558 if (GET_LMASK64(arg2) >= 3)
559 do_sb(env, GET_OFFSET(arg2, -3), (uint8_t)(arg1 >> 24), mem_idx);
561 if (GET_LMASK64(arg2) >= 4)
562 do_sb(env, GET_OFFSET(arg2, -4), (uint8_t)(arg1 >> 32), mem_idx);
564 if (GET_LMASK64(arg2) >= 5)
565 do_sb(env, GET_OFFSET(arg2, -5), (uint8_t)(arg1 >> 40), mem_idx);
567 if (GET_LMASK64(arg2) >= 6)
568 do_sb(env, GET_OFFSET(arg2, -6), (uint8_t)(arg1 >> 48), mem_idx);
570 if (GET_LMASK64(arg2) == 7)
571 do_sb(env, GET_OFFSET(arg2, -7), (uint8_t)(arg1 >> 56), mem_idx);
573 #endif /* TARGET_MIPS64 */
575 static const int multiple_regs[] = { 16, 17, 18, 19, 20, 21, 22, 23, 30 };
577 void helper_lwm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
580 target_ulong base_reglist = reglist & 0xf;
581 target_ulong do_r31 = reglist & 0x10;
582 #ifdef CONFIG_USER_ONLY
584 #define ldfun(env, addr) ldl_raw(addr)
586 uint32_t (*ldfun)(CPUMIPSState *env, target_ulong);
590 case 0: ldfun = cpu_ldl_kernel; break;
591 case 1: ldfun = cpu_ldl_super; break;
593 case 2: ldfun = cpu_ldl_user; break;
597 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
600 for (i = 0; i < base_reglist; i++) {
601 env->active_tc.gpr[multiple_regs[i]] = (target_long)ldfun(env, addr);
607 env->active_tc.gpr[31] = (target_long)ldfun(env, addr);
611 void helper_swm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
614 target_ulong base_reglist = reglist & 0xf;
615 target_ulong do_r31 = reglist & 0x10;
616 #ifdef CONFIG_USER_ONLY
618 #define stfun(env, addr, val) stl_raw(addr, val)
620 void (*stfun)(CPUMIPSState *env, target_ulong, uint32_t);
624 case 0: stfun = cpu_stl_kernel; break;
625 case 1: stfun = cpu_stl_super; break;
627 case 2: stfun = cpu_stl_user; break;
631 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
634 for (i = 0; i < base_reglist; i++) {
635 stfun(env, addr, env->active_tc.gpr[multiple_regs[i]]);
641 stfun(env, addr, env->active_tc.gpr[31]);
645 #if defined(TARGET_MIPS64)
646 void helper_ldm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
649 target_ulong base_reglist = reglist & 0xf;
650 target_ulong do_r31 = reglist & 0x10;
651 #ifdef CONFIG_USER_ONLY
653 #define ldfun(env, addr) ldq_raw(addr)
655 uint64_t (*ldfun)(CPUMIPSState *env, target_ulong);
659 case 0: ldfun = cpu_ldq_kernel; break;
660 case 1: ldfun = cpu_ldq_super; break;
662 case 2: ldfun = cpu_ldq_user; break;
666 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
669 for (i = 0; i < base_reglist; i++) {
670 env->active_tc.gpr[multiple_regs[i]] = ldfun(env, addr);
676 env->active_tc.gpr[31] = ldfun(env, addr);
680 void helper_sdm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
683 target_ulong base_reglist = reglist & 0xf;
684 target_ulong do_r31 = reglist & 0x10;
685 #ifdef CONFIG_USER_ONLY
687 #define stfun(env, addr, val) stq_raw(addr, val)
689 void (*stfun)(CPUMIPSState *env, target_ulong, uint64_t);
693 case 0: stfun = cpu_stq_kernel; break;
694 case 1: stfun = cpu_stq_super; break;
696 case 2: stfun = cpu_stq_user; break;
700 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
703 for (i = 0; i < base_reglist; i++) {
704 stfun(env, addr, env->active_tc.gpr[multiple_regs[i]]);
710 stfun(env, addr, env->active_tc.gpr[31]);
715 #ifndef CONFIG_USER_ONLY
717 static bool mips_vpe_is_wfi(MIPSCPU *c)
719 CPUMIPSState *env = &c->env;
721 /* If the VPE is halted but otherwise active, it means it's waiting for
723 return env->halted && mips_vpe_active(env);
726 static inline void mips_vpe_wake(CPUMIPSState *c)
728 /* Dont set ->halted = 0 directly, let it be done via cpu_has_work
729 because there might be other conditions that state that c should
731 cpu_interrupt(c, CPU_INTERRUPT_WAKE);
734 static inline void mips_vpe_sleep(MIPSCPU *cpu)
736 CPUMIPSState *c = &cpu->env;
738 /* The VPE was shut off, really go to bed.
739 Reset any old _WAKE requests. */
741 cpu_reset_interrupt(c, CPU_INTERRUPT_WAKE);
744 static inline void mips_tc_wake(MIPSCPU *cpu, int tc)
746 CPUMIPSState *c = &cpu->env;
748 /* FIXME: TC reschedule. */
749 if (mips_vpe_active(c) && !mips_vpe_is_wfi(cpu)) {
754 static inline void mips_tc_sleep(MIPSCPU *cpu, int tc)
756 CPUMIPSState *c = &cpu->env;
758 /* FIXME: TC reschedule. */
759 if (!mips_vpe_active(c)) {
764 /* tc should point to an int with the value of the global TC index.
765 This function will transform it into a local index within the
766 returned CPUMIPSState.
768 FIXME: This code assumes that all VPEs have the same number of TCs,
769 which depends on runtime setup. Can probably be fixed by
770 walking the list of CPUMIPSStates. */
771 static CPUMIPSState *mips_cpu_map_tc(CPUMIPSState *env, int *tc)
774 int vpe_idx, nr_threads = env->nr_threads;
777 if (!(env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP))) {
778 /* Not allowed to address other CPUs. */
779 *tc = env->current_tc;
783 vpe_idx = tc_idx / nr_threads;
784 *tc = tc_idx % nr_threads;
785 other = qemu_get_cpu(vpe_idx);
786 return other ? other : env;
789 /* The per VPE CP0_Status register shares some fields with the per TC
790 CP0_TCStatus registers. These fields are wired to the same registers,
791 so changes to either of them should be reflected on both registers.
793 Also, EntryHi shares the bottom 8 bit ASID with TCStauts.
795 These helper call synchronizes the regs for a given cpu. */
797 /* Called for updates to CP0_Status. */
798 static void sync_c0_status(CPUMIPSState *env, CPUMIPSState *cpu, int tc)
800 int32_t tcstatus, *tcst;
801 uint32_t v = cpu->CP0_Status;
802 uint32_t cu, mx, asid, ksu;
803 uint32_t mask = ((1 << CP0TCSt_TCU3)
804 | (1 << CP0TCSt_TCU2)
805 | (1 << CP0TCSt_TCU1)
806 | (1 << CP0TCSt_TCU0)
808 | (3 << CP0TCSt_TKSU)
809 | (0xff << CP0TCSt_TASID));
811 cu = (v >> CP0St_CU0) & 0xf;
812 mx = (v >> CP0St_MX) & 0x1;
813 ksu = (v >> CP0St_KSU) & 0x3;
814 asid = env->CP0_EntryHi & 0xff;
816 tcstatus = cu << CP0TCSt_TCU0;
817 tcstatus |= mx << CP0TCSt_TMX;
818 tcstatus |= ksu << CP0TCSt_TKSU;
821 if (tc == cpu->current_tc) {
822 tcst = &cpu->active_tc.CP0_TCStatus;
824 tcst = &cpu->tcs[tc].CP0_TCStatus;
832 /* Called for updates to CP0_TCStatus. */
833 static void sync_c0_tcstatus(CPUMIPSState *cpu, int tc,
837 uint32_t tcu, tmx, tasid, tksu;
838 uint32_t mask = ((1 << CP0St_CU3)
845 tcu = (v >> CP0TCSt_TCU0) & 0xf;
846 tmx = (v >> CP0TCSt_TMX) & 0x1;
848 tksu = (v >> CP0TCSt_TKSU) & 0x3;
850 status = tcu << CP0St_CU0;
851 status |= tmx << CP0St_MX;
852 status |= tksu << CP0St_KSU;
854 cpu->CP0_Status &= ~mask;
855 cpu->CP0_Status |= status;
857 /* Sync the TASID with EntryHi. */
858 cpu->CP0_EntryHi &= ~0xff;
859 cpu->CP0_EntryHi = tasid;
864 /* Called for updates to CP0_EntryHi. */
865 static void sync_c0_entryhi(CPUMIPSState *cpu, int tc)
868 uint32_t asid, v = cpu->CP0_EntryHi;
872 if (tc == cpu->current_tc) {
873 tcst = &cpu->active_tc.CP0_TCStatus;
875 tcst = &cpu->tcs[tc].CP0_TCStatus;
883 target_ulong helper_mfc0_mvpcontrol(CPUMIPSState *env)
885 return env->mvp->CP0_MVPControl;
888 target_ulong helper_mfc0_mvpconf0(CPUMIPSState *env)
890 return env->mvp->CP0_MVPConf0;
893 target_ulong helper_mfc0_mvpconf1(CPUMIPSState *env)
895 return env->mvp->CP0_MVPConf1;
898 target_ulong helper_mfc0_random(CPUMIPSState *env)
900 return (int32_t)cpu_mips_get_random(env);
903 target_ulong helper_mfc0_tcstatus(CPUMIPSState *env)
905 return env->active_tc.CP0_TCStatus;
908 target_ulong helper_mftc0_tcstatus(CPUMIPSState *env)
910 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
911 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
913 if (other_tc == other->current_tc)
914 return other->active_tc.CP0_TCStatus;
916 return other->tcs[other_tc].CP0_TCStatus;
919 target_ulong helper_mfc0_tcbind(CPUMIPSState *env)
921 return env->active_tc.CP0_TCBind;
924 target_ulong helper_mftc0_tcbind(CPUMIPSState *env)
926 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
927 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
929 if (other_tc == other->current_tc)
930 return other->active_tc.CP0_TCBind;
932 return other->tcs[other_tc].CP0_TCBind;
935 target_ulong helper_mfc0_tcrestart(CPUMIPSState *env)
937 return env->active_tc.PC;
940 target_ulong helper_mftc0_tcrestart(CPUMIPSState *env)
942 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
943 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
945 if (other_tc == other->current_tc)
946 return other->active_tc.PC;
948 return other->tcs[other_tc].PC;
951 target_ulong helper_mfc0_tchalt(CPUMIPSState *env)
953 return env->active_tc.CP0_TCHalt;
956 target_ulong helper_mftc0_tchalt(CPUMIPSState *env)
958 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
959 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
961 if (other_tc == other->current_tc)
962 return other->active_tc.CP0_TCHalt;
964 return other->tcs[other_tc].CP0_TCHalt;
967 target_ulong helper_mfc0_tccontext(CPUMIPSState *env)
969 return env->active_tc.CP0_TCContext;
972 target_ulong helper_mftc0_tccontext(CPUMIPSState *env)
974 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
975 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
977 if (other_tc == other->current_tc)
978 return other->active_tc.CP0_TCContext;
980 return other->tcs[other_tc].CP0_TCContext;
983 target_ulong helper_mfc0_tcschedule(CPUMIPSState *env)
985 return env->active_tc.CP0_TCSchedule;
988 target_ulong helper_mftc0_tcschedule(CPUMIPSState *env)
990 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
991 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
993 if (other_tc == other->current_tc)
994 return other->active_tc.CP0_TCSchedule;
996 return other->tcs[other_tc].CP0_TCSchedule;
999 target_ulong helper_mfc0_tcschefback(CPUMIPSState *env)
1001 return env->active_tc.CP0_TCScheFBack;
1004 target_ulong helper_mftc0_tcschefback(CPUMIPSState *env)
1006 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1007 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1009 if (other_tc == other->current_tc)
1010 return other->active_tc.CP0_TCScheFBack;
1012 return other->tcs[other_tc].CP0_TCScheFBack;
1015 target_ulong helper_mfc0_count(CPUMIPSState *env)
1017 return (int32_t)cpu_mips_get_count(env);
1020 target_ulong helper_mftc0_entryhi(CPUMIPSState *env)
1022 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1023 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1025 return other->CP0_EntryHi;
1028 target_ulong helper_mftc0_cause(CPUMIPSState *env)
1030 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1032 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1034 if (other_tc == other->current_tc) {
1035 tccause = other->CP0_Cause;
1037 tccause = other->CP0_Cause;
1043 target_ulong helper_mftc0_status(CPUMIPSState *env)
1045 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1046 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1048 return other->CP0_Status;
1051 target_ulong helper_mfc0_lladdr(CPUMIPSState *env)
1053 return (int32_t)(env->lladdr >> env->CP0_LLAddr_shift);
1056 target_ulong helper_mfc0_watchlo(CPUMIPSState *env, uint32_t sel)
1058 return (int32_t)env->CP0_WatchLo[sel];
1061 target_ulong helper_mfc0_watchhi(CPUMIPSState *env, uint32_t sel)
1063 return env->CP0_WatchHi[sel];
1066 target_ulong helper_mfc0_debug(CPUMIPSState *env)
1068 target_ulong t0 = env->CP0_Debug;
1069 if (env->hflags & MIPS_HFLAG_DM)
1070 t0 |= 1 << CP0DB_DM;
1075 target_ulong helper_mftc0_debug(CPUMIPSState *env)
1077 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1079 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1081 if (other_tc == other->current_tc)
1082 tcstatus = other->active_tc.CP0_Debug_tcstatus;
1084 tcstatus = other->tcs[other_tc].CP0_Debug_tcstatus;
1086 /* XXX: Might be wrong, check with EJTAG spec. */
1087 return (other->CP0_Debug & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) |
1088 (tcstatus & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt)));
1091 #if defined(TARGET_MIPS64)
1092 target_ulong helper_dmfc0_tcrestart(CPUMIPSState *env)
1094 return env->active_tc.PC;
1097 target_ulong helper_dmfc0_tchalt(CPUMIPSState *env)
1099 return env->active_tc.CP0_TCHalt;
1102 target_ulong helper_dmfc0_tccontext(CPUMIPSState *env)
1104 return env->active_tc.CP0_TCContext;
1107 target_ulong helper_dmfc0_tcschedule(CPUMIPSState *env)
1109 return env->active_tc.CP0_TCSchedule;
1112 target_ulong helper_dmfc0_tcschefback(CPUMIPSState *env)
1114 return env->active_tc.CP0_TCScheFBack;
1117 target_ulong helper_dmfc0_lladdr(CPUMIPSState *env)
1119 return env->lladdr >> env->CP0_LLAddr_shift;
1122 target_ulong helper_dmfc0_watchlo(CPUMIPSState *env, uint32_t sel)
1124 return env->CP0_WatchLo[sel];
1126 #endif /* TARGET_MIPS64 */
1128 void helper_mtc0_index(CPUMIPSState *env, target_ulong arg1)
1131 unsigned int tmp = env->tlb->nb_tlb;
1137 env->CP0_Index = (env->CP0_Index & 0x80000000) | (arg1 & (num - 1));
1140 void helper_mtc0_mvpcontrol(CPUMIPSState *env, target_ulong arg1)
1145 if (env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP))
1146 mask |= (1 << CP0MVPCo_CPA) | (1 << CP0MVPCo_VPC) |
1147 (1 << CP0MVPCo_EVP);
1148 if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1149 mask |= (1 << CP0MVPCo_STLB);
1150 newval = (env->mvp->CP0_MVPControl & ~mask) | (arg1 & mask);
1152 // TODO: Enable/disable shared TLB, enable/disable VPEs.
1154 env->mvp->CP0_MVPControl = newval;
1157 void helper_mtc0_vpecontrol(CPUMIPSState *env, target_ulong arg1)
1162 mask = (1 << CP0VPECo_YSI) | (1 << CP0VPECo_GSI) |
1163 (1 << CP0VPECo_TE) | (0xff << CP0VPECo_TargTC);
1164 newval = (env->CP0_VPEControl & ~mask) | (arg1 & mask);
1166 /* Yield scheduler intercept not implemented. */
1167 /* Gating storage scheduler intercept not implemented. */
1169 // TODO: Enable/disable TCs.
1171 env->CP0_VPEControl = newval;
1174 void helper_mttc0_vpecontrol(CPUMIPSState *env, target_ulong arg1)
1176 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1177 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1181 mask = (1 << CP0VPECo_YSI) | (1 << CP0VPECo_GSI) |
1182 (1 << CP0VPECo_TE) | (0xff << CP0VPECo_TargTC);
1183 newval = (other->CP0_VPEControl & ~mask) | (arg1 & mask);
1185 /* TODO: Enable/disable TCs. */
1187 other->CP0_VPEControl = newval;
1190 target_ulong helper_mftc0_vpecontrol(CPUMIPSState *env)
1192 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1193 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1194 /* FIXME: Mask away return zero on read bits. */
1195 return other->CP0_VPEControl;
1198 target_ulong helper_mftc0_vpeconf0(CPUMIPSState *env)
1200 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1201 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1203 return other->CP0_VPEConf0;
1206 void helper_mtc0_vpeconf0(CPUMIPSState *env, target_ulong arg1)
1211 if (env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) {
1212 if (env->CP0_VPEConf0 & (1 << CP0VPEC0_VPA))
1213 mask |= (0xff << CP0VPEC0_XTC);
1214 mask |= (1 << CP0VPEC0_MVP) | (1 << CP0VPEC0_VPA);
1216 newval = (env->CP0_VPEConf0 & ~mask) | (arg1 & mask);
1218 // TODO: TC exclusive handling due to ERL/EXL.
1220 env->CP0_VPEConf0 = newval;
1223 void helper_mttc0_vpeconf0(CPUMIPSState *env, target_ulong arg1)
1225 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1226 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1230 mask |= (1 << CP0VPEC0_MVP) | (1 << CP0VPEC0_VPA);
1231 newval = (other->CP0_VPEConf0 & ~mask) | (arg1 & mask);
1233 /* TODO: TC exclusive handling due to ERL/EXL. */
1234 other->CP0_VPEConf0 = newval;
1237 void helper_mtc0_vpeconf1(CPUMIPSState *env, target_ulong arg1)
1242 if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1243 mask |= (0xff << CP0VPEC1_NCX) | (0xff << CP0VPEC1_NCP2) |
1244 (0xff << CP0VPEC1_NCP1);
1245 newval = (env->CP0_VPEConf1 & ~mask) | (arg1 & mask);
1247 /* UDI not implemented. */
1248 /* CP2 not implemented. */
1250 // TODO: Handle FPU (CP1) binding.
1252 env->CP0_VPEConf1 = newval;
1255 void helper_mtc0_yqmask(CPUMIPSState *env, target_ulong arg1)
1257 /* Yield qualifier inputs not implemented. */
1258 env->CP0_YQMask = 0x00000000;
1261 void helper_mtc0_vpeopt(CPUMIPSState *env, target_ulong arg1)
1263 env->CP0_VPEOpt = arg1 & 0x0000ffff;
1266 void helper_mtc0_entrylo0(CPUMIPSState *env, target_ulong arg1)
1268 /* Large physaddr (PABITS) not implemented */
1269 /* 1k pages not implemented */
1270 env->CP0_EntryLo0 = arg1 & 0x3FFFFFFF;
1273 void helper_mtc0_tcstatus(CPUMIPSState *env, target_ulong arg1)
1275 uint32_t mask = env->CP0_TCStatus_rw_bitmask;
1278 newval = (env->active_tc.CP0_TCStatus & ~mask) | (arg1 & mask);
1280 env->active_tc.CP0_TCStatus = newval;
1281 sync_c0_tcstatus(env, env->current_tc, newval);
1284 void helper_mttc0_tcstatus(CPUMIPSState *env, target_ulong arg1)
1286 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1287 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1289 if (other_tc == other->current_tc)
1290 other->active_tc.CP0_TCStatus = arg1;
1292 other->tcs[other_tc].CP0_TCStatus = arg1;
1293 sync_c0_tcstatus(other, other_tc, arg1);
1296 void helper_mtc0_tcbind(CPUMIPSState *env, target_ulong arg1)
1298 uint32_t mask = (1 << CP0TCBd_TBE);
1301 if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1302 mask |= (1 << CP0TCBd_CurVPE);
1303 newval = (env->active_tc.CP0_TCBind & ~mask) | (arg1 & mask);
1304 env->active_tc.CP0_TCBind = newval;
1307 void helper_mttc0_tcbind(CPUMIPSState *env, target_ulong arg1)
1309 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1310 uint32_t mask = (1 << CP0TCBd_TBE);
1312 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1314 if (other->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1315 mask |= (1 << CP0TCBd_CurVPE);
1316 if (other_tc == other->current_tc) {
1317 newval = (other->active_tc.CP0_TCBind & ~mask) | (arg1 & mask);
1318 other->active_tc.CP0_TCBind = newval;
1320 newval = (other->tcs[other_tc].CP0_TCBind & ~mask) | (arg1 & mask);
1321 other->tcs[other_tc].CP0_TCBind = newval;
1325 void helper_mtc0_tcrestart(CPUMIPSState *env, target_ulong arg1)
1327 env->active_tc.PC = arg1;
1328 env->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
1330 /* MIPS16 not implemented. */
1333 void helper_mttc0_tcrestart(CPUMIPSState *env, target_ulong arg1)
1335 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1336 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1338 if (other_tc == other->current_tc) {
1339 other->active_tc.PC = arg1;
1340 other->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
1341 other->lladdr = 0ULL;
1342 /* MIPS16 not implemented. */
1344 other->tcs[other_tc].PC = arg1;
1345 other->tcs[other_tc].CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
1346 other->lladdr = 0ULL;
1347 /* MIPS16 not implemented. */
1351 void helper_mtc0_tchalt(CPUMIPSState *env, target_ulong arg1)
1353 MIPSCPU *cpu = mips_env_get_cpu(env);
1355 env->active_tc.CP0_TCHalt = arg1 & 0x1;
1357 // TODO: Halt TC / Restart (if allocated+active) TC.
1358 if (env->active_tc.CP0_TCHalt & 1) {
1359 mips_tc_sleep(cpu, env->current_tc);
1361 mips_tc_wake(cpu, env->current_tc);
1365 void helper_mttc0_tchalt(CPUMIPSState *env, target_ulong arg1)
1367 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1368 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1369 MIPSCPU *other_cpu = mips_env_get_cpu(other);
1371 // TODO: Halt TC / Restart (if allocated+active) TC.
1373 if (other_tc == other->current_tc)
1374 other->active_tc.CP0_TCHalt = arg1;
1376 other->tcs[other_tc].CP0_TCHalt = arg1;
1379 mips_tc_sleep(other_cpu, other_tc);
1381 mips_tc_wake(other_cpu, other_tc);
1385 void helper_mtc0_tccontext(CPUMIPSState *env, target_ulong arg1)
1387 env->active_tc.CP0_TCContext = arg1;
1390 void helper_mttc0_tccontext(CPUMIPSState *env, target_ulong arg1)
1392 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1393 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1395 if (other_tc == other->current_tc)
1396 other->active_tc.CP0_TCContext = arg1;
1398 other->tcs[other_tc].CP0_TCContext = arg1;
1401 void helper_mtc0_tcschedule(CPUMIPSState *env, target_ulong arg1)
1403 env->active_tc.CP0_TCSchedule = arg1;
1406 void helper_mttc0_tcschedule(CPUMIPSState *env, target_ulong arg1)
1408 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1409 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1411 if (other_tc == other->current_tc)
1412 other->active_tc.CP0_TCSchedule = arg1;
1414 other->tcs[other_tc].CP0_TCSchedule = arg1;
1417 void helper_mtc0_tcschefback(CPUMIPSState *env, target_ulong arg1)
1419 env->active_tc.CP0_TCScheFBack = arg1;
1422 void helper_mttc0_tcschefback(CPUMIPSState *env, target_ulong arg1)
1424 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1425 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1427 if (other_tc == other->current_tc)
1428 other->active_tc.CP0_TCScheFBack = arg1;
1430 other->tcs[other_tc].CP0_TCScheFBack = arg1;
1433 void helper_mtc0_entrylo1(CPUMIPSState *env, target_ulong arg1)
1435 /* Large physaddr (PABITS) not implemented */
1436 /* 1k pages not implemented */
1437 env->CP0_EntryLo1 = arg1 & 0x3FFFFFFF;
1440 void helper_mtc0_context(CPUMIPSState *env, target_ulong arg1)
1442 env->CP0_Context = (env->CP0_Context & 0x007FFFFF) | (arg1 & ~0x007FFFFF);
1445 void helper_mtc0_pagemask(CPUMIPSState *env, target_ulong arg1)
1447 /* 1k pages not implemented */
1448 env->CP0_PageMask = arg1 & (0x1FFFFFFF & (TARGET_PAGE_MASK << 1));
1451 void helper_mtc0_pagegrain(CPUMIPSState *env, target_ulong arg1)
1453 /* SmartMIPS not implemented */
1454 /* Large physaddr (PABITS) not implemented */
1455 /* 1k pages not implemented */
1456 env->CP0_PageGrain = 0;
1459 void helper_mtc0_wired(CPUMIPSState *env, target_ulong arg1)
1461 env->CP0_Wired = arg1 % env->tlb->nb_tlb;
1464 void helper_mtc0_srsconf0(CPUMIPSState *env, target_ulong arg1)
1466 env->CP0_SRSConf0 |= arg1 & env->CP0_SRSConf0_rw_bitmask;
1469 void helper_mtc0_srsconf1(CPUMIPSState *env, target_ulong arg1)
1471 env->CP0_SRSConf1 |= arg1 & env->CP0_SRSConf1_rw_bitmask;
1474 void helper_mtc0_srsconf2(CPUMIPSState *env, target_ulong arg1)
1476 env->CP0_SRSConf2 |= arg1 & env->CP0_SRSConf2_rw_bitmask;
1479 void helper_mtc0_srsconf3(CPUMIPSState *env, target_ulong arg1)
1481 env->CP0_SRSConf3 |= arg1 & env->CP0_SRSConf3_rw_bitmask;
1484 void helper_mtc0_srsconf4(CPUMIPSState *env, target_ulong arg1)
1486 env->CP0_SRSConf4 |= arg1 & env->CP0_SRSConf4_rw_bitmask;
1489 void helper_mtc0_hwrena(CPUMIPSState *env, target_ulong arg1)
1491 env->CP0_HWREna = arg1 & 0x0000000F;
1494 void helper_mtc0_count(CPUMIPSState *env, target_ulong arg1)
1496 cpu_mips_store_count(env, arg1);
1499 void helper_mtc0_entryhi(CPUMIPSState *env, target_ulong arg1)
1501 target_ulong old, val;
1503 /* 1k pages not implemented */
1504 val = arg1 & ((TARGET_PAGE_MASK << 1) | 0xFF);
1505 #if defined(TARGET_MIPS64)
1506 val &= env->SEGMask;
1508 old = env->CP0_EntryHi;
1509 env->CP0_EntryHi = val;
1510 if (env->CP0_Config3 & (1 << CP0C3_MT)) {
1511 sync_c0_entryhi(env, env->current_tc);
1513 /* If the ASID changes, flush qemu's TLB. */
1514 if ((old & 0xFF) != (val & 0xFF))
1515 cpu_mips_tlb_flush(env, 1);
1518 void helper_mttc0_entryhi(CPUMIPSState *env, target_ulong arg1)
1520 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1521 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1523 other->CP0_EntryHi = arg1;
1524 sync_c0_entryhi(other, other_tc);
1527 void helper_mtc0_compare(CPUMIPSState *env, target_ulong arg1)
1529 cpu_mips_store_compare(env, arg1);
1532 void helper_mtc0_status(CPUMIPSState *env, target_ulong arg1)
1535 uint32_t mask = env->CP0_Status_rw_bitmask;
1538 old = env->CP0_Status;
1539 env->CP0_Status = (env->CP0_Status & ~mask) | val;
1540 if (env->CP0_Config3 & (1 << CP0C3_MT)) {
1541 sync_c0_status(env, env, env->current_tc);
1543 compute_hflags(env);
1546 if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
1547 qemu_log("Status %08x (%08x) => %08x (%08x) Cause %08x",
1548 old, old & env->CP0_Cause & CP0Ca_IP_mask,
1549 val, val & env->CP0_Cause & CP0Ca_IP_mask,
1551 switch (env->hflags & MIPS_HFLAG_KSU) {
1552 case MIPS_HFLAG_UM: qemu_log(", UM\n"); break;
1553 case MIPS_HFLAG_SM: qemu_log(", SM\n"); break;
1554 case MIPS_HFLAG_KM: qemu_log("\n"); break;
1555 default: cpu_abort(env, "Invalid MMU mode!\n"); break;
1560 void helper_mttc0_status(CPUMIPSState *env, target_ulong arg1)
1562 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1563 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1565 other->CP0_Status = arg1 & ~0xf1000018;
1566 sync_c0_status(env, other, other_tc);
1569 void helper_mtc0_intctl(CPUMIPSState *env, target_ulong arg1)
1571 /* vectored interrupts not implemented, no performance counters. */
1572 env->CP0_IntCtl = (env->CP0_IntCtl & ~0x000003e0) | (arg1 & 0x000003e0);
1575 void helper_mtc0_srsctl(CPUMIPSState *env, target_ulong arg1)
1577 uint32_t mask = (0xf << CP0SRSCtl_ESS) | (0xf << CP0SRSCtl_PSS);
1578 env->CP0_SRSCtl = (env->CP0_SRSCtl & ~mask) | (arg1 & mask);
1581 static void mtc0_cause(CPUMIPSState *cpu, target_ulong arg1)
1583 uint32_t mask = 0x00C00300;
1584 uint32_t old = cpu->CP0_Cause;
1587 if (cpu->insn_flags & ISA_MIPS32R2) {
1588 mask |= 1 << CP0Ca_DC;
1591 cpu->CP0_Cause = (cpu->CP0_Cause & ~mask) | (arg1 & mask);
1593 if ((old ^ cpu->CP0_Cause) & (1 << CP0Ca_DC)) {
1594 if (cpu->CP0_Cause & (1 << CP0Ca_DC)) {
1595 cpu_mips_stop_count(cpu);
1597 cpu_mips_start_count(cpu);
1601 /* Set/reset software interrupts */
1602 for (i = 0 ; i < 2 ; i++) {
1603 if ((old ^ cpu->CP0_Cause) & (1 << (CP0Ca_IP + i))) {
1604 cpu_mips_soft_irq(cpu, i, cpu->CP0_Cause & (1 << (CP0Ca_IP + i)));
1609 void helper_mtc0_cause(CPUMIPSState *env, target_ulong arg1)
1611 mtc0_cause(env, arg1);
1614 void helper_mttc0_cause(CPUMIPSState *env, target_ulong arg1)
1616 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1617 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1619 mtc0_cause(other, arg1);
1622 target_ulong helper_mftc0_epc(CPUMIPSState *env)
1624 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1625 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1627 return other->CP0_EPC;
1630 target_ulong helper_mftc0_ebase(CPUMIPSState *env)
1632 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1633 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1635 return other->CP0_EBase;
1638 void helper_mtc0_ebase(CPUMIPSState *env, target_ulong arg1)
1640 /* vectored interrupts not implemented */
1641 env->CP0_EBase = (env->CP0_EBase & ~0x3FFFF000) | (arg1 & 0x3FFFF000);
1644 void helper_mttc0_ebase(CPUMIPSState *env, target_ulong arg1)
1646 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1647 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1648 other->CP0_EBase = (other->CP0_EBase & ~0x3FFFF000) | (arg1 & 0x3FFFF000);
1651 target_ulong helper_mftc0_configx(CPUMIPSState *env, target_ulong idx)
1653 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1654 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1657 case 0: return other->CP0_Config0;
1658 case 1: return other->CP0_Config1;
1659 case 2: return other->CP0_Config2;
1660 case 3: return other->CP0_Config3;
1661 /* 4 and 5 are reserved. */
1662 case 6: return other->CP0_Config6;
1663 case 7: return other->CP0_Config7;
1670 void helper_mtc0_config0(CPUMIPSState *env, target_ulong arg1)
1672 env->CP0_Config0 = (env->CP0_Config0 & 0x81FFFFF8) | (arg1 & 0x00000007);
1675 void helper_mtc0_config2(CPUMIPSState *env, target_ulong arg1)
1677 /* tertiary/secondary caches not implemented */
1678 env->CP0_Config2 = (env->CP0_Config2 & 0x8FFF0FFF);
1681 void helper_mtc0_lladdr(CPUMIPSState *env, target_ulong arg1)
1683 target_long mask = env->CP0_LLAddr_rw_bitmask;
1684 arg1 = arg1 << env->CP0_LLAddr_shift;
1685 env->lladdr = (env->lladdr & ~mask) | (arg1 & mask);
1688 void helper_mtc0_watchlo(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1690 /* Watch exceptions for instructions, data loads, data stores
1692 env->CP0_WatchLo[sel] = (arg1 & ~0x7);
1695 void helper_mtc0_watchhi(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1697 env->CP0_WatchHi[sel] = (arg1 & 0x40FF0FF8);
1698 env->CP0_WatchHi[sel] &= ~(env->CP0_WatchHi[sel] & arg1 & 0x7);
1701 void helper_mtc0_xcontext(CPUMIPSState *env, target_ulong arg1)
1703 target_ulong mask = (1ULL << (env->SEGBITS - 7)) - 1;
1704 env->CP0_XContext = (env->CP0_XContext & mask) | (arg1 & ~mask);
1707 void helper_mtc0_framemask(CPUMIPSState *env, target_ulong arg1)
1709 env->CP0_Framemask = arg1; /* XXX */
1712 void helper_mtc0_debug(CPUMIPSState *env, target_ulong arg1)
1714 env->CP0_Debug = (env->CP0_Debug & 0x8C03FC1F) | (arg1 & 0x13300120);
1715 if (arg1 & (1 << CP0DB_DM))
1716 env->hflags |= MIPS_HFLAG_DM;
1718 env->hflags &= ~MIPS_HFLAG_DM;
1721 void helper_mttc0_debug(CPUMIPSState *env, target_ulong arg1)
1723 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1724 uint32_t val = arg1 & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt));
1725 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1727 /* XXX: Might be wrong, check with EJTAG spec. */
1728 if (other_tc == other->current_tc)
1729 other->active_tc.CP0_Debug_tcstatus = val;
1731 other->tcs[other_tc].CP0_Debug_tcstatus = val;
1732 other->CP0_Debug = (other->CP0_Debug &
1733 ((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) |
1734 (arg1 & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt)));
1737 void helper_mtc0_performance0(CPUMIPSState *env, target_ulong arg1)
1739 env->CP0_Performance0 = arg1 & 0x000007ff;
1742 void helper_mtc0_taglo(CPUMIPSState *env, target_ulong arg1)
1744 env->CP0_TagLo = arg1 & 0xFFFFFCF6;
1747 void helper_mtc0_datalo(CPUMIPSState *env, target_ulong arg1)
1749 env->CP0_DataLo = arg1; /* XXX */
1752 void helper_mtc0_taghi(CPUMIPSState *env, target_ulong arg1)
1754 env->CP0_TagHi = arg1; /* XXX */
1757 void helper_mtc0_datahi(CPUMIPSState *env, target_ulong arg1)
1759 env->CP0_DataHi = arg1; /* XXX */
1762 /* MIPS MT functions */
1763 target_ulong helper_mftgpr(CPUMIPSState *env, uint32_t sel)
1765 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1766 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1768 if (other_tc == other->current_tc)
1769 return other->active_tc.gpr[sel];
1771 return other->tcs[other_tc].gpr[sel];
1774 target_ulong helper_mftlo(CPUMIPSState *env, uint32_t sel)
1776 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1777 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1779 if (other_tc == other->current_tc)
1780 return other->active_tc.LO[sel];
1782 return other->tcs[other_tc].LO[sel];
1785 target_ulong helper_mfthi(CPUMIPSState *env, uint32_t sel)
1787 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1788 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1790 if (other_tc == other->current_tc)
1791 return other->active_tc.HI[sel];
1793 return other->tcs[other_tc].HI[sel];
1796 target_ulong helper_mftacx(CPUMIPSState *env, uint32_t sel)
1798 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1799 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1801 if (other_tc == other->current_tc)
1802 return other->active_tc.ACX[sel];
1804 return other->tcs[other_tc].ACX[sel];
1807 target_ulong helper_mftdsp(CPUMIPSState *env)
1809 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1810 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1812 if (other_tc == other->current_tc)
1813 return other->active_tc.DSPControl;
1815 return other->tcs[other_tc].DSPControl;
1818 void helper_mttgpr(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1820 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1821 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1823 if (other_tc == other->current_tc)
1824 other->active_tc.gpr[sel] = arg1;
1826 other->tcs[other_tc].gpr[sel] = arg1;
1829 void helper_mttlo(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1831 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1832 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1834 if (other_tc == other->current_tc)
1835 other->active_tc.LO[sel] = arg1;
1837 other->tcs[other_tc].LO[sel] = arg1;
1840 void helper_mtthi(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1842 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1843 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1845 if (other_tc == other->current_tc)
1846 other->active_tc.HI[sel] = arg1;
1848 other->tcs[other_tc].HI[sel] = arg1;
1851 void helper_mttacx(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1853 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1854 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1856 if (other_tc == other->current_tc)
1857 other->active_tc.ACX[sel] = arg1;
1859 other->tcs[other_tc].ACX[sel] = arg1;
1862 void helper_mttdsp(CPUMIPSState *env, target_ulong arg1)
1864 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1865 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1867 if (other_tc == other->current_tc)
1868 other->active_tc.DSPControl = arg1;
1870 other->tcs[other_tc].DSPControl = arg1;
1873 /* MIPS MT functions */
1874 target_ulong helper_dmt(void)
1880 target_ulong helper_emt(void)
1886 target_ulong helper_dvpe(CPUMIPSState *env)
1888 CPUMIPSState *other_cpu_env = first_cpu;
1889 target_ulong prev = env->mvp->CP0_MVPControl;
1892 /* Turn off all VPEs except the one executing the dvpe. */
1893 if (other_cpu_env != env) {
1894 MIPSCPU *other_cpu = mips_env_get_cpu(other_cpu_env);
1896 other_cpu_env->mvp->CP0_MVPControl &= ~(1 << CP0MVPCo_EVP);
1897 mips_vpe_sleep(other_cpu);
1899 other_cpu_env = other_cpu_env->next_cpu;
1900 } while (other_cpu_env);
1904 target_ulong helper_evpe(CPUMIPSState *env)
1906 CPUMIPSState *other_cpu_env = first_cpu;
1907 target_ulong prev = env->mvp->CP0_MVPControl;
1910 MIPSCPU *other_cpu = mips_env_get_cpu(other_cpu_env);
1912 if (other_cpu_env != env
1913 /* If the VPE is WFI, don't disturb its sleep. */
1914 && !mips_vpe_is_wfi(other_cpu)) {
1915 /* Enable the VPE. */
1916 other_cpu_env->mvp->CP0_MVPControl |= (1 << CP0MVPCo_EVP);
1917 mips_vpe_wake(other_cpu_env); /* And wake it up. */
1919 other_cpu_env = other_cpu_env->next_cpu;
1920 } while (other_cpu_env);
1923 #endif /* !CONFIG_USER_ONLY */
1925 void helper_fork(target_ulong arg1, target_ulong arg2)
1927 // arg1 = rt, arg2 = rs
1929 // TODO: store to TC register
1932 target_ulong helper_yield(CPUMIPSState *env, target_ulong arg)
1934 target_long arg1 = arg;
1937 /* No scheduling policy implemented. */
1939 if (env->CP0_VPEControl & (1 << CP0VPECo_YSI) &&
1940 env->active_tc.CP0_TCStatus & (1 << CP0TCSt_DT)) {
1941 env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
1942 env->CP0_VPEControl |= 4 << CP0VPECo_EXCPT;
1943 helper_raise_exception(env, EXCP_THREAD);
1946 } else if (arg1 == 0) {
1947 if (0 /* TODO: TC underflow */) {
1948 env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
1949 helper_raise_exception(env, EXCP_THREAD);
1951 // TODO: Deallocate TC
1953 } else if (arg1 > 0) {
1954 /* Yield qualifier inputs not implemented. */
1955 env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
1956 env->CP0_VPEControl |= 2 << CP0VPECo_EXCPT;
1957 helper_raise_exception(env, EXCP_THREAD);
1959 return env->CP0_YQMask;
1962 #ifndef CONFIG_USER_ONLY
1963 /* TLB management */
1964 static void cpu_mips_tlb_flush (CPUMIPSState *env, int flush_global)
1966 /* Flush qemu's TLB and discard all shadowed entries. */
1967 tlb_flush (env, flush_global);
1968 env->tlb->tlb_in_use = env->tlb->nb_tlb;
1971 static void r4k_mips_tlb_flush_extra (CPUMIPSState *env, int first)
1973 /* Discard entries from env->tlb[first] onwards. */
1974 while (env->tlb->tlb_in_use > first) {
1975 r4k_invalidate_tlb(env, --env->tlb->tlb_in_use, 0);
1979 static void r4k_fill_tlb(CPUMIPSState *env, int idx)
1983 /* XXX: detect conflicting TLBs and raise a MCHECK exception when needed */
1984 tlb = &env->tlb->mmu.r4k.tlb[idx];
1985 tlb->VPN = env->CP0_EntryHi & (TARGET_PAGE_MASK << 1);
1986 #if defined(TARGET_MIPS64)
1987 tlb->VPN &= env->SEGMask;
1989 tlb->ASID = env->CP0_EntryHi & 0xFF;
1990 tlb->PageMask = env->CP0_PageMask;
1991 tlb->G = env->CP0_EntryLo0 & env->CP0_EntryLo1 & 1;
1992 tlb->V0 = (env->CP0_EntryLo0 & 2) != 0;
1993 tlb->D0 = (env->CP0_EntryLo0 & 4) != 0;
1994 tlb->C0 = (env->CP0_EntryLo0 >> 3) & 0x7;
1995 tlb->PFN[0] = (env->CP0_EntryLo0 >> 6) << 12;
1996 tlb->V1 = (env->CP0_EntryLo1 & 2) != 0;
1997 tlb->D1 = (env->CP0_EntryLo1 & 4) != 0;
1998 tlb->C1 = (env->CP0_EntryLo1 >> 3) & 0x7;
1999 tlb->PFN[1] = (env->CP0_EntryLo1 >> 6) << 12;
2002 void r4k_helper_tlbwi(CPUMIPSState *env)
2006 idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb;
2008 /* Discard cached TLB entries. We could avoid doing this if the
2009 tlbwi is just upgrading access permissions on the current entry;
2010 that might be a further win. */
2011 r4k_mips_tlb_flush_extra (env, env->tlb->nb_tlb);
2013 r4k_invalidate_tlb(env, idx, 0);
2014 r4k_fill_tlb(env, idx);
2017 void r4k_helper_tlbwr(CPUMIPSState *env)
2019 int r = cpu_mips_get_random(env);
2021 r4k_invalidate_tlb(env, r, 1);
2022 r4k_fill_tlb(env, r);
2025 void r4k_helper_tlbp(CPUMIPSState *env)
2034 ASID = env->CP0_EntryHi & 0xFF;
2035 for (i = 0; i < env->tlb->nb_tlb; i++) {
2036 tlb = &env->tlb->mmu.r4k.tlb[i];
2037 /* 1k pages are not supported. */
2038 mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
2039 tag = env->CP0_EntryHi & ~mask;
2040 VPN = tlb->VPN & ~mask;
2041 /* Check ASID, virtual page number & size */
2042 if ((tlb->G == 1 || tlb->ASID == ASID) && VPN == tag) {
2048 if (i == env->tlb->nb_tlb) {
2049 /* No match. Discard any shadow entries, if any of them match. */
2050 for (i = env->tlb->nb_tlb; i < env->tlb->tlb_in_use; i++) {
2051 tlb = &env->tlb->mmu.r4k.tlb[i];
2052 /* 1k pages are not supported. */
2053 mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
2054 tag = env->CP0_EntryHi & ~mask;
2055 VPN = tlb->VPN & ~mask;
2056 /* Check ASID, virtual page number & size */
2057 if ((tlb->G == 1 || tlb->ASID == ASID) && VPN == tag) {
2058 r4k_mips_tlb_flush_extra (env, i);
2063 env->CP0_Index |= 0x80000000;
2067 void r4k_helper_tlbr(CPUMIPSState *env)
2073 ASID = env->CP0_EntryHi & 0xFF;
2074 idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb;
2075 tlb = &env->tlb->mmu.r4k.tlb[idx];
2077 /* If this will change the current ASID, flush qemu's TLB. */
2078 if (ASID != tlb->ASID)
2079 cpu_mips_tlb_flush (env, 1);
2081 r4k_mips_tlb_flush_extra(env, env->tlb->nb_tlb);
2083 env->CP0_EntryHi = tlb->VPN | tlb->ASID;
2084 env->CP0_PageMask = tlb->PageMask;
2085 env->CP0_EntryLo0 = tlb->G | (tlb->V0 << 1) | (tlb->D0 << 2) |
2086 (tlb->C0 << 3) | (tlb->PFN[0] >> 6);
2087 env->CP0_EntryLo1 = tlb->G | (tlb->V1 << 1) | (tlb->D1 << 2) |
2088 (tlb->C1 << 3) | (tlb->PFN[1] >> 6);
2091 void helper_tlbwi(CPUMIPSState *env)
2093 env->tlb->helper_tlbwi(env);
2096 void helper_tlbwr(CPUMIPSState *env)
2098 env->tlb->helper_tlbwr(env);
2101 void helper_tlbp(CPUMIPSState *env)
2103 env->tlb->helper_tlbp(env);
2106 void helper_tlbr(CPUMIPSState *env)
2108 env->tlb->helper_tlbr(env);
2112 target_ulong helper_di(CPUMIPSState *env)
2114 target_ulong t0 = env->CP0_Status;
2116 env->CP0_Status = t0 & ~(1 << CP0St_IE);
2120 target_ulong helper_ei(CPUMIPSState *env)
2122 target_ulong t0 = env->CP0_Status;
2124 env->CP0_Status = t0 | (1 << CP0St_IE);
2128 static void debug_pre_eret(CPUMIPSState *env)
2130 if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
2131 qemu_log("ERET: PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx,
2132 env->active_tc.PC, env->CP0_EPC);
2133 if (env->CP0_Status & (1 << CP0St_ERL))
2134 qemu_log(" ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
2135 if (env->hflags & MIPS_HFLAG_DM)
2136 qemu_log(" DEPC " TARGET_FMT_lx, env->CP0_DEPC);
2141 static void debug_post_eret(CPUMIPSState *env)
2143 if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
2144 qemu_log(" => PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx,
2145 env->active_tc.PC, env->CP0_EPC);
2146 if (env->CP0_Status & (1 << CP0St_ERL))
2147 qemu_log(" ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
2148 if (env->hflags & MIPS_HFLAG_DM)
2149 qemu_log(" DEPC " TARGET_FMT_lx, env->CP0_DEPC);
2150 switch (env->hflags & MIPS_HFLAG_KSU) {
2151 case MIPS_HFLAG_UM: qemu_log(", UM\n"); break;
2152 case MIPS_HFLAG_SM: qemu_log(", SM\n"); break;
2153 case MIPS_HFLAG_KM: qemu_log("\n"); break;
2154 default: cpu_abort(env, "Invalid MMU mode!\n"); break;
2159 static void set_pc(CPUMIPSState *env, target_ulong error_pc)
2161 env->active_tc.PC = error_pc & ~(target_ulong)1;
2163 env->hflags |= MIPS_HFLAG_M16;
2165 env->hflags &= ~(MIPS_HFLAG_M16);
2169 void helper_eret(CPUMIPSState *env)
2171 debug_pre_eret(env);
2172 if (env->CP0_Status & (1 << CP0St_ERL)) {
2173 set_pc(env, env->CP0_ErrorEPC);
2174 env->CP0_Status &= ~(1 << CP0St_ERL);
2176 set_pc(env, env->CP0_EPC);
2177 env->CP0_Status &= ~(1 << CP0St_EXL);
2179 compute_hflags(env);
2180 debug_post_eret(env);
2184 void helper_deret(CPUMIPSState *env)
2186 debug_pre_eret(env);
2187 set_pc(env, env->CP0_DEPC);
2189 env->hflags &= MIPS_HFLAG_DM;
2190 compute_hflags(env);
2191 debug_post_eret(env);
2194 #endif /* !CONFIG_USER_ONLY */
2196 target_ulong helper_rdhwr_cpunum(CPUMIPSState *env)
2198 if ((env->hflags & MIPS_HFLAG_CP0) ||
2199 (env->CP0_HWREna & (1 << 0)))
2200 return env->CP0_EBase & 0x3ff;
2202 helper_raise_exception(env, EXCP_RI);
2207 target_ulong helper_rdhwr_synci_step(CPUMIPSState *env)
2209 if ((env->hflags & MIPS_HFLAG_CP0) ||
2210 (env->CP0_HWREna & (1 << 1)))
2211 return env->SYNCI_Step;
2213 helper_raise_exception(env, EXCP_RI);
2218 target_ulong helper_rdhwr_cc(CPUMIPSState *env)
2220 if ((env->hflags & MIPS_HFLAG_CP0) ||
2221 (env->CP0_HWREna & (1 << 2)))
2222 return env->CP0_Count;
2224 helper_raise_exception(env, EXCP_RI);
2229 target_ulong helper_rdhwr_ccres(CPUMIPSState *env)
2231 if ((env->hflags & MIPS_HFLAG_CP0) ||
2232 (env->CP0_HWREna & (1 << 3)))
2235 helper_raise_exception(env, EXCP_RI);
2240 void helper_pmon(CPUMIPSState *env, int function)
2244 case 2: /* TODO: char inbyte(int waitflag); */
2245 if (env->active_tc.gpr[4] == 0)
2246 env->active_tc.gpr[2] = -1;
2248 case 11: /* TODO: char inbyte (void); */
2249 env->active_tc.gpr[2] = -1;
2253 printf("%c", (char)(env->active_tc.gpr[4] & 0xFF));
2259 unsigned char *fmt = (void *)(uintptr_t)env->active_tc.gpr[4];
2266 void helper_wait(CPUMIPSState *env)
2269 cpu_reset_interrupt(env, CPU_INTERRUPT_WAKE);
2270 helper_raise_exception(env, EXCP_HLT);
2273 #if !defined(CONFIG_USER_ONLY)
2275 static void QEMU_NORETURN do_unaligned_access(CPUMIPSState *env,
2276 target_ulong addr, int is_write,
2277 int is_user, uintptr_t retaddr);
2279 #define MMUSUFFIX _mmu
2280 #define ALIGNED_ONLY
2283 #include "softmmu_template.h"
2286 #include "softmmu_template.h"
2289 #include "softmmu_template.h"
2292 #include "softmmu_template.h"
2294 static void do_unaligned_access(CPUMIPSState *env, target_ulong addr,
2295 int is_write, int is_user, uintptr_t retaddr)
2297 env->CP0_BadVAddr = addr;
2298 do_restore_state(env, retaddr);
2299 helper_raise_exception(env, (is_write == 1) ? EXCP_AdES : EXCP_AdEL);
2302 void tlb_fill(CPUMIPSState *env, target_ulong addr, int is_write, int mmu_idx,
2305 TranslationBlock *tb;
2308 ret = cpu_mips_handle_mmu_fault(env, addr, is_write, mmu_idx);
2311 /* now we have a real cpu fault */
2312 tb = tb_find_pc(retaddr);
2314 /* the PC is inside the translated code. It means that we have
2315 a virtual CPU fault */
2316 cpu_restore_state(tb, env, retaddr);
2319 helper_raise_exception_err(env, env->exception_index, env->error_code);
2323 void cpu_unassigned_access(CPUMIPSState *env, hwaddr addr,
2324 int is_write, int is_exec, int unused, int size)
2327 helper_raise_exception(env, EXCP_IBE);
2329 helper_raise_exception(env, EXCP_DBE);
2331 #endif /* !CONFIG_USER_ONLY */
2333 /* Complex FPU operations which may need stack space. */
2335 #define FLOAT_ONE32 make_float32(0x3f8 << 20)
2336 #define FLOAT_ONE64 make_float64(0x3ffULL << 52)
2337 #define FLOAT_TWO32 make_float32(1 << 30)
2338 #define FLOAT_TWO64 make_float64(1ULL << 62)
2339 #define FLOAT_QNAN32 0x7fbfffff
2340 #define FLOAT_QNAN64 0x7ff7ffffffffffffULL
2341 #define FLOAT_SNAN32 0x7fffffff
2342 #define FLOAT_SNAN64 0x7fffffffffffffffULL
2344 /* convert MIPS rounding mode in FCR31 to IEEE library */
2345 static unsigned int ieee_rm[] = {
2346 float_round_nearest_even,
2347 float_round_to_zero,
2352 #define RESTORE_ROUNDING_MODE \
2353 set_float_rounding_mode(ieee_rm[env->active_fpu.fcr31 & 3], &env->active_fpu.fp_status)
2355 #define RESTORE_FLUSH_MODE \
2356 set_flush_to_zero((env->active_fpu.fcr31 & (1 << 24)) != 0, &env->active_fpu.fp_status);
2358 target_ulong helper_cfc1(CPUMIPSState *env, uint32_t reg)
2364 arg1 = (int32_t)env->active_fpu.fcr0;
2367 arg1 = ((env->active_fpu.fcr31 >> 24) & 0xfe) | ((env->active_fpu.fcr31 >> 23) & 0x1);
2370 arg1 = env->active_fpu.fcr31 & 0x0003f07c;
2373 arg1 = (env->active_fpu.fcr31 & 0x00000f83) | ((env->active_fpu.fcr31 >> 22) & 0x4);
2376 arg1 = (int32_t)env->active_fpu.fcr31;
2383 void helper_ctc1(CPUMIPSState *env, target_ulong arg1, uint32_t reg)
2387 if (arg1 & 0xffffff00)
2389 env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0x017fffff) | ((arg1 & 0xfe) << 24) |
2390 ((arg1 & 0x1) << 23);
2393 if (arg1 & 0x007c0000)
2395 env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0xfffc0f83) | (arg1 & 0x0003f07c);
2398 if (arg1 & 0x007c0000)
2400 env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0xfefff07c) | (arg1 & 0x00000f83) |
2401 ((arg1 & 0x4) << 22);
2404 if (arg1 & 0x007c0000)
2406 env->active_fpu.fcr31 = arg1;
2411 /* set rounding mode */
2412 RESTORE_ROUNDING_MODE;
2413 /* set flush-to-zero mode */
2415 set_float_exception_flags(0, &env->active_fpu.fp_status);
2416 if ((GET_FP_ENABLE(env->active_fpu.fcr31) | 0x20) & GET_FP_CAUSE(env->active_fpu.fcr31))
2417 helper_raise_exception(env, EXCP_FPE);
2420 static inline int ieee_ex_to_mips(int xcpt)
2424 if (xcpt & float_flag_invalid) {
2427 if (xcpt & float_flag_overflow) {
2430 if (xcpt & float_flag_underflow) {
2431 ret |= FP_UNDERFLOW;
2433 if (xcpt & float_flag_divbyzero) {
2436 if (xcpt & float_flag_inexact) {
2443 static inline void update_fcr31(CPUMIPSState *env)
2445 int tmp = ieee_ex_to_mips(get_float_exception_flags(&env->active_fpu.fp_status));
2447 SET_FP_CAUSE(env->active_fpu.fcr31, tmp);
2450 set_float_exception_flags(0, &env->active_fpu.fp_status);
2452 if (GET_FP_ENABLE(env->active_fpu.fcr31) & tmp) {
2453 helper_raise_exception(env, EXCP_FPE);
2455 UPDATE_FP_FLAGS(env->active_fpu.fcr31, tmp);
2461 Single precition routines have a "s" suffix, double precision a
2462 "d" suffix, 32bit integer "w", 64bit integer "l", paired single "ps",
2463 paired single lower "pl", paired single upper "pu". */
2465 /* unary operations, modifying fp status */
2466 uint64_t helper_float_sqrt_d(CPUMIPSState *env, uint64_t fdt0)
2468 fdt0 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
2473 uint32_t helper_float_sqrt_s(CPUMIPSState *env, uint32_t fst0)
2475 fst0 = float32_sqrt(fst0, &env->active_fpu.fp_status);
2480 uint64_t helper_float_cvtd_s(CPUMIPSState *env, uint32_t fst0)
2484 fdt2 = float32_to_float64(fst0, &env->active_fpu.fp_status);
2489 uint64_t helper_float_cvtd_w(CPUMIPSState *env, uint32_t wt0)
2493 fdt2 = int32_to_float64(wt0, &env->active_fpu.fp_status);
2498 uint64_t helper_float_cvtd_l(CPUMIPSState *env, uint64_t dt0)
2502 fdt2 = int64_to_float64(dt0, &env->active_fpu.fp_status);
2507 uint64_t helper_float_cvtl_d(CPUMIPSState *env, uint64_t fdt0)
2511 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2513 if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
2518 uint64_t helper_float_cvtl_s(CPUMIPSState *env, uint32_t fst0)
2522 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2524 if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
2529 uint64_t helper_float_cvtps_pw(CPUMIPSState *env, uint64_t dt0)
2534 fst2 = int32_to_float32(dt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2535 fsth2 = int32_to_float32(dt0 >> 32, &env->active_fpu.fp_status);
2537 return ((uint64_t)fsth2 << 32) | fst2;
2540 uint64_t helper_float_cvtpw_ps(CPUMIPSState *env, uint64_t fdt0)
2546 wt2 = float32_to_int32(fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2547 excp = get_float_exception_flags(&env->active_fpu.fp_status);
2548 if (excp & (float_flag_overflow | float_flag_invalid)) {
2552 set_float_exception_flags(0, &env->active_fpu.fp_status);
2553 wth2 = float32_to_int32(fdt0 >> 32, &env->active_fpu.fp_status);
2554 excph = get_float_exception_flags(&env->active_fpu.fp_status);
2555 if (excph & (float_flag_overflow | float_flag_invalid)) {
2556 wth2 = FLOAT_SNAN32;
2559 set_float_exception_flags(excp | excph, &env->active_fpu.fp_status);
2562 return ((uint64_t)wth2 << 32) | wt2;
2565 uint32_t helper_float_cvts_d(CPUMIPSState *env, uint64_t fdt0)
2569 fst2 = float64_to_float32(fdt0, &env->active_fpu.fp_status);
2574 uint32_t helper_float_cvts_w(CPUMIPSState *env, uint32_t wt0)
2578 fst2 = int32_to_float32(wt0, &env->active_fpu.fp_status);
2583 uint32_t helper_float_cvts_l(CPUMIPSState *env, uint64_t dt0)
2587 fst2 = int64_to_float32(dt0, &env->active_fpu.fp_status);
2592 uint32_t helper_float_cvts_pl(CPUMIPSState *env, uint32_t wt0)
2601 uint32_t helper_float_cvts_pu(CPUMIPSState *env, uint32_t wth0)
2610 uint32_t helper_float_cvtw_s(CPUMIPSState *env, uint32_t fst0)
2614 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2616 if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
2621 uint32_t helper_float_cvtw_d(CPUMIPSState *env, uint64_t fdt0)
2625 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2627 if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
2632 uint64_t helper_float_roundl_d(CPUMIPSState *env, uint64_t fdt0)
2636 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2637 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2638 RESTORE_ROUNDING_MODE;
2640 if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
2645 uint64_t helper_float_roundl_s(CPUMIPSState *env, uint32_t fst0)
2649 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2650 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2651 RESTORE_ROUNDING_MODE;
2653 if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
2658 uint32_t helper_float_roundw_d(CPUMIPSState *env, uint64_t fdt0)
2662 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2663 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2664 RESTORE_ROUNDING_MODE;
2666 if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
2671 uint32_t helper_float_roundw_s(CPUMIPSState *env, uint32_t fst0)
2675 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2676 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2677 RESTORE_ROUNDING_MODE;
2679 if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
2684 uint64_t helper_float_truncl_d(CPUMIPSState *env, uint64_t fdt0)
2688 dt2 = float64_to_int64_round_to_zero(fdt0, &env->active_fpu.fp_status);
2690 if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
2695 uint64_t helper_float_truncl_s(CPUMIPSState *env, uint32_t fst0)
2699 dt2 = float32_to_int64_round_to_zero(fst0, &env->active_fpu.fp_status);
2701 if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
2706 uint32_t helper_float_truncw_d(CPUMIPSState *env, uint64_t fdt0)
2710 wt2 = float64_to_int32_round_to_zero(fdt0, &env->active_fpu.fp_status);
2712 if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
2717 uint32_t helper_float_truncw_s(CPUMIPSState *env, uint32_t fst0)
2721 wt2 = float32_to_int32_round_to_zero(fst0, &env->active_fpu.fp_status);
2723 if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
2728 uint64_t helper_float_ceill_d(CPUMIPSState *env, uint64_t fdt0)
2732 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2733 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2734 RESTORE_ROUNDING_MODE;
2736 if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
2741 uint64_t helper_float_ceill_s(CPUMIPSState *env, uint32_t fst0)
2745 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2746 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2747 RESTORE_ROUNDING_MODE;
2749 if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
2754 uint32_t helper_float_ceilw_d(CPUMIPSState *env, uint64_t fdt0)
2758 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2759 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2760 RESTORE_ROUNDING_MODE;
2762 if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
2767 uint32_t helper_float_ceilw_s(CPUMIPSState *env, uint32_t fst0)
2771 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2772 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2773 RESTORE_ROUNDING_MODE;
2775 if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
2780 uint64_t helper_float_floorl_d(CPUMIPSState *env, uint64_t fdt0)
2784 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2785 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2786 RESTORE_ROUNDING_MODE;
2788 if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
2793 uint64_t helper_float_floorl_s(CPUMIPSState *env, uint32_t fst0)
2797 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2798 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2799 RESTORE_ROUNDING_MODE;
2801 if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
2806 uint32_t helper_float_floorw_d(CPUMIPSState *env, uint64_t fdt0)
2810 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2811 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2812 RESTORE_ROUNDING_MODE;
2814 if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
2819 uint32_t helper_float_floorw_s(CPUMIPSState *env, uint32_t fst0)
2823 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2824 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2825 RESTORE_ROUNDING_MODE;
2827 if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
2832 /* unary operations, not modifying fp status */
2833 #define FLOAT_UNOP(name) \
2834 uint64_t helper_float_ ## name ## _d(uint64_t fdt0) \
2836 return float64_ ## name(fdt0); \
2838 uint32_t helper_float_ ## name ## _s(uint32_t fst0) \
2840 return float32_ ## name(fst0); \
2842 uint64_t helper_float_ ## name ## _ps(uint64_t fdt0) \
2847 wt0 = float32_ ## name(fdt0 & 0XFFFFFFFF); \
2848 wth0 = float32_ ## name(fdt0 >> 32); \
2849 return ((uint64_t)wth0 << 32) | wt0; \
2855 /* MIPS specific unary operations */
2856 uint64_t helper_float_recip_d(CPUMIPSState *env, uint64_t fdt0)
2860 fdt2 = float64_div(FLOAT_ONE64, fdt0, &env->active_fpu.fp_status);
2865 uint32_t helper_float_recip_s(CPUMIPSState *env, uint32_t fst0)
2869 fst2 = float32_div(FLOAT_ONE32, fst0, &env->active_fpu.fp_status);
2874 uint64_t helper_float_rsqrt_d(CPUMIPSState *env, uint64_t fdt0)
2878 fdt2 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
2879 fdt2 = float64_div(FLOAT_ONE64, fdt2, &env->active_fpu.fp_status);
2884 uint32_t helper_float_rsqrt_s(CPUMIPSState *env, uint32_t fst0)
2888 fst2 = float32_sqrt(fst0, &env->active_fpu.fp_status);
2889 fst2 = float32_div(FLOAT_ONE32, fst2, &env->active_fpu.fp_status);
2894 uint64_t helper_float_recip1_d(CPUMIPSState *env, uint64_t fdt0)
2898 fdt2 = float64_div(FLOAT_ONE64, fdt0, &env->active_fpu.fp_status);
2903 uint32_t helper_float_recip1_s(CPUMIPSState *env, uint32_t fst0)
2907 fst2 = float32_div(FLOAT_ONE32, fst0, &env->active_fpu.fp_status);
2912 uint64_t helper_float_recip1_ps(CPUMIPSState *env, uint64_t fdt0)
2917 fst2 = float32_div(FLOAT_ONE32, fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2918 fsth2 = float32_div(FLOAT_ONE32, fdt0 >> 32, &env->active_fpu.fp_status);
2920 return ((uint64_t)fsth2 << 32) | fst2;
2923 uint64_t helper_float_rsqrt1_d(CPUMIPSState *env, uint64_t fdt0)
2927 fdt2 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
2928 fdt2 = float64_div(FLOAT_ONE64, fdt2, &env->active_fpu.fp_status);
2933 uint32_t helper_float_rsqrt1_s(CPUMIPSState *env, uint32_t fst0)
2937 fst2 = float32_sqrt(fst0, &env->active_fpu.fp_status);
2938 fst2 = float32_div(FLOAT_ONE32, fst2, &env->active_fpu.fp_status);
2943 uint64_t helper_float_rsqrt1_ps(CPUMIPSState *env, uint64_t fdt0)
2948 fst2 = float32_sqrt(fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2949 fsth2 = float32_sqrt(fdt0 >> 32, &env->active_fpu.fp_status);
2950 fst2 = float32_div(FLOAT_ONE32, fst2, &env->active_fpu.fp_status);
2951 fsth2 = float32_div(FLOAT_ONE32, fsth2, &env->active_fpu.fp_status);
2953 return ((uint64_t)fsth2 << 32) | fst2;
2956 #define FLOAT_OP(name, p) void helper_float_##name##_##p(CPUMIPSState *env)
2958 /* binary operations */
2959 #define FLOAT_BINOP(name) \
2960 uint64_t helper_float_ ## name ## _d(CPUMIPSState *env, \
2961 uint64_t fdt0, uint64_t fdt1) \
2965 dt2 = float64_ ## name (fdt0, fdt1, &env->active_fpu.fp_status); \
2966 update_fcr31(env); \
2970 uint32_t helper_float_ ## name ## _s(CPUMIPSState *env, \
2971 uint32_t fst0, uint32_t fst1) \
2975 wt2 = float32_ ## name (fst0, fst1, &env->active_fpu.fp_status); \
2976 update_fcr31(env); \
2980 uint64_t helper_float_ ## name ## _ps(CPUMIPSState *env, \
2984 uint32_t fst0 = fdt0 & 0XFFFFFFFF; \
2985 uint32_t fsth0 = fdt0 >> 32; \
2986 uint32_t fst1 = fdt1 & 0XFFFFFFFF; \
2987 uint32_t fsth1 = fdt1 >> 32; \
2991 wt2 = float32_ ## name (fst0, fst1, &env->active_fpu.fp_status); \
2992 wth2 = float32_ ## name (fsth0, fsth1, &env->active_fpu.fp_status); \
2993 update_fcr31(env); \
2994 return ((uint64_t)wth2 << 32) | wt2; \
3003 /* FMA based operations */
3004 #define FLOAT_FMA(name, type) \
3005 uint64_t helper_float_ ## name ## _d(CPUMIPSState *env, \
3006 uint64_t fdt0, uint64_t fdt1, \
3009 fdt0 = float64_muladd(fdt0, fdt1, fdt2, type, \
3010 &env->active_fpu.fp_status); \
3011 update_fcr31(env); \
3015 uint32_t helper_float_ ## name ## _s(CPUMIPSState *env, \
3016 uint32_t fst0, uint32_t fst1, \
3019 fst0 = float32_muladd(fst0, fst1, fst2, type, \
3020 &env->active_fpu.fp_status); \
3021 update_fcr31(env); \
3025 uint64_t helper_float_ ## name ## _ps(CPUMIPSState *env, \
3026 uint64_t fdt0, uint64_t fdt1, \
3029 uint32_t fst0 = fdt0 & 0XFFFFFFFF; \
3030 uint32_t fsth0 = fdt0 >> 32; \
3031 uint32_t fst1 = fdt1 & 0XFFFFFFFF; \
3032 uint32_t fsth1 = fdt1 >> 32; \
3033 uint32_t fst2 = fdt2 & 0XFFFFFFFF; \
3034 uint32_t fsth2 = fdt2 >> 32; \
3036 fst0 = float32_muladd(fst0, fst1, fst2, type, \
3037 &env->active_fpu.fp_status); \
3038 fsth0 = float32_muladd(fsth0, fsth1, fsth2, type, \
3039 &env->active_fpu.fp_status); \
3040 update_fcr31(env); \
3041 return ((uint64_t)fsth0 << 32) | fst0; \
3044 FLOAT_FMA(msub, float_muladd_negate_c)
3045 FLOAT_FMA(nmadd, float_muladd_negate_result)
3046 FLOAT_FMA(nmsub, float_muladd_negate_result | float_muladd_negate_c)
3049 /* MIPS specific binary operations */
3050 uint64_t helper_float_recip2_d(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
3052 fdt2 = float64_mul(fdt0, fdt2, &env->active_fpu.fp_status);
3053 fdt2 = float64_chs(float64_sub(fdt2, FLOAT_ONE64, &env->active_fpu.fp_status));
3058 uint32_t helper_float_recip2_s(CPUMIPSState *env, uint32_t fst0, uint32_t fst2)
3060 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
3061 fst2 = float32_chs(float32_sub(fst2, FLOAT_ONE32, &env->active_fpu.fp_status));
3066 uint64_t helper_float_recip2_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
3068 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
3069 uint32_t fsth0 = fdt0 >> 32;
3070 uint32_t fst2 = fdt2 & 0XFFFFFFFF;
3071 uint32_t fsth2 = fdt2 >> 32;
3073 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
3074 fsth2 = float32_mul(fsth0, fsth2, &env->active_fpu.fp_status);
3075 fst2 = float32_chs(float32_sub(fst2, FLOAT_ONE32, &env->active_fpu.fp_status));
3076 fsth2 = float32_chs(float32_sub(fsth2, FLOAT_ONE32, &env->active_fpu.fp_status));
3078 return ((uint64_t)fsth2 << 32) | fst2;
3081 uint64_t helper_float_rsqrt2_d(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
3083 fdt2 = float64_mul(fdt0, fdt2, &env->active_fpu.fp_status);
3084 fdt2 = float64_sub(fdt2, FLOAT_ONE64, &env->active_fpu.fp_status);
3085 fdt2 = float64_chs(float64_div(fdt2, FLOAT_TWO64, &env->active_fpu.fp_status));
3090 uint32_t helper_float_rsqrt2_s(CPUMIPSState *env, uint32_t fst0, uint32_t fst2)
3092 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
3093 fst2 = float32_sub(fst2, FLOAT_ONE32, &env->active_fpu.fp_status);
3094 fst2 = float32_chs(float32_div(fst2, FLOAT_TWO32, &env->active_fpu.fp_status));
3099 uint64_t helper_float_rsqrt2_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
3101 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
3102 uint32_t fsth0 = fdt0 >> 32;
3103 uint32_t fst2 = fdt2 & 0XFFFFFFFF;
3104 uint32_t fsth2 = fdt2 >> 32;
3106 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
3107 fsth2 = float32_mul(fsth0, fsth2, &env->active_fpu.fp_status);
3108 fst2 = float32_sub(fst2, FLOAT_ONE32, &env->active_fpu.fp_status);
3109 fsth2 = float32_sub(fsth2, FLOAT_ONE32, &env->active_fpu.fp_status);
3110 fst2 = float32_chs(float32_div(fst2, FLOAT_TWO32, &env->active_fpu.fp_status));
3111 fsth2 = float32_chs(float32_div(fsth2, FLOAT_TWO32, &env->active_fpu.fp_status));
3113 return ((uint64_t)fsth2 << 32) | fst2;
3116 uint64_t helper_float_addr_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt1)
3118 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
3119 uint32_t fsth0 = fdt0 >> 32;
3120 uint32_t fst1 = fdt1 & 0XFFFFFFFF;
3121 uint32_t fsth1 = fdt1 >> 32;
3125 fst2 = float32_add (fst0, fsth0, &env->active_fpu.fp_status);
3126 fsth2 = float32_add (fst1, fsth1, &env->active_fpu.fp_status);
3128 return ((uint64_t)fsth2 << 32) | fst2;
3131 uint64_t helper_float_mulr_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt1)
3133 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
3134 uint32_t fsth0 = fdt0 >> 32;
3135 uint32_t fst1 = fdt1 & 0XFFFFFFFF;
3136 uint32_t fsth1 = fdt1 >> 32;
3140 fst2 = float32_mul (fst0, fsth0, &env->active_fpu.fp_status);
3141 fsth2 = float32_mul (fst1, fsth1, &env->active_fpu.fp_status);
3143 return ((uint64_t)fsth2 << 32) | fst2;
3146 /* compare operations */
3147 #define FOP_COND_D(op, cond) \
3148 void helper_cmp_d_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3149 uint64_t fdt1, int cc) \
3153 update_fcr31(env); \
3155 SET_FP_COND(cc, env->active_fpu); \
3157 CLEAR_FP_COND(cc, env->active_fpu); \
3159 void helper_cmpabs_d_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3160 uint64_t fdt1, int cc) \
3163 fdt0 = float64_abs(fdt0); \
3164 fdt1 = float64_abs(fdt1); \
3166 update_fcr31(env); \
3168 SET_FP_COND(cc, env->active_fpu); \
3170 CLEAR_FP_COND(cc, env->active_fpu); \
3173 /* NOTE: the comma operator will make "cond" to eval to false,
3174 * but float64_unordered_quiet() is still called. */
3175 FOP_COND_D(f, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status), 0))
3176 FOP_COND_D(un, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status))
3177 FOP_COND_D(eq, float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3178 FOP_COND_D(ueq, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status) || float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3179 FOP_COND_D(olt, float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3180 FOP_COND_D(ult, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status) || float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3181 FOP_COND_D(ole, float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3182 FOP_COND_D(ule, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status) || float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3183 /* NOTE: the comma operator will make "cond" to eval to false,
3184 * but float64_unordered() is still called. */
3185 FOP_COND_D(sf, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status), 0))
3186 FOP_COND_D(ngle,float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status))
3187 FOP_COND_D(seq, float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
3188 FOP_COND_D(ngl, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status) || float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
3189 FOP_COND_D(lt, float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
3190 FOP_COND_D(nge, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status) || float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
3191 FOP_COND_D(le, float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
3192 FOP_COND_D(ngt, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status) || float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
3194 #define FOP_COND_S(op, cond) \
3195 void helper_cmp_s_ ## op(CPUMIPSState *env, uint32_t fst0, \
3196 uint32_t fst1, int cc) \
3200 update_fcr31(env); \
3202 SET_FP_COND(cc, env->active_fpu); \
3204 CLEAR_FP_COND(cc, env->active_fpu); \
3206 void helper_cmpabs_s_ ## op(CPUMIPSState *env, uint32_t fst0, \
3207 uint32_t fst1, int cc) \
3210 fst0 = float32_abs(fst0); \
3211 fst1 = float32_abs(fst1); \
3213 update_fcr31(env); \
3215 SET_FP_COND(cc, env->active_fpu); \
3217 CLEAR_FP_COND(cc, env->active_fpu); \
3220 /* NOTE: the comma operator will make "cond" to eval to false,
3221 * but float32_unordered_quiet() is still called. */
3222 FOP_COND_S(f, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status), 0))
3223 FOP_COND_S(un, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status))
3224 FOP_COND_S(eq, float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status))
3225 FOP_COND_S(ueq, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status))
3226 FOP_COND_S(olt, float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status))
3227 FOP_COND_S(ult, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status))
3228 FOP_COND_S(ole, float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status))
3229 FOP_COND_S(ule, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status))
3230 /* NOTE: the comma operator will make "cond" to eval to false,
3231 * but float32_unordered() is still called. */
3232 FOP_COND_S(sf, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status), 0))
3233 FOP_COND_S(ngle,float32_unordered(fst1, fst0, &env->active_fpu.fp_status))
3234 FOP_COND_S(seq, float32_eq(fst0, fst1, &env->active_fpu.fp_status))
3235 FOP_COND_S(ngl, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_eq(fst0, fst1, &env->active_fpu.fp_status))
3236 FOP_COND_S(lt, float32_lt(fst0, fst1, &env->active_fpu.fp_status))
3237 FOP_COND_S(nge, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_lt(fst0, fst1, &env->active_fpu.fp_status))
3238 FOP_COND_S(le, float32_le(fst0, fst1, &env->active_fpu.fp_status))
3239 FOP_COND_S(ngt, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_le(fst0, fst1, &env->active_fpu.fp_status))
3241 #define FOP_COND_PS(op, condl, condh) \
3242 void helper_cmp_ps_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3243 uint64_t fdt1, int cc) \
3245 uint32_t fst0, fsth0, fst1, fsth1; \
3247 fst0 = fdt0 & 0XFFFFFFFF; \
3248 fsth0 = fdt0 >> 32; \
3249 fst1 = fdt1 & 0XFFFFFFFF; \
3250 fsth1 = fdt1 >> 32; \
3253 update_fcr31(env); \
3255 SET_FP_COND(cc, env->active_fpu); \
3257 CLEAR_FP_COND(cc, env->active_fpu); \
3259 SET_FP_COND(cc + 1, env->active_fpu); \
3261 CLEAR_FP_COND(cc + 1, env->active_fpu); \
3263 void helper_cmpabs_ps_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3264 uint64_t fdt1, int cc) \
3266 uint32_t fst0, fsth0, fst1, fsth1; \
3268 fst0 = float32_abs(fdt0 & 0XFFFFFFFF); \
3269 fsth0 = float32_abs(fdt0 >> 32); \
3270 fst1 = float32_abs(fdt1 & 0XFFFFFFFF); \
3271 fsth1 = float32_abs(fdt1 >> 32); \
3274 update_fcr31(env); \
3276 SET_FP_COND(cc, env->active_fpu); \
3278 CLEAR_FP_COND(cc, env->active_fpu); \
3280 SET_FP_COND(cc + 1, env->active_fpu); \
3282 CLEAR_FP_COND(cc + 1, env->active_fpu); \
3285 /* NOTE: the comma operator will make "cond" to eval to false,
3286 * but float32_unordered_quiet() is still called. */
3287 FOP_COND_PS(f, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status), 0),
3288 (float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status), 0))
3289 FOP_COND_PS(un, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status),
3290 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status))
3291 FOP_COND_PS(eq, float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status),
3292 float32_eq_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3293 FOP_COND_PS(ueq, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status),
3294 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status) || float32_eq_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3295 FOP_COND_PS(olt, float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status),
3296 float32_lt_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3297 FOP_COND_PS(ult, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status),
3298 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status) || float32_lt_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3299 FOP_COND_PS(ole, float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status),
3300 float32_le_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3301 FOP_COND_PS(ule, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status),
3302 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status) || float32_le_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3303 /* NOTE: the comma operator will make "cond" to eval to false,
3304 * but float32_unordered() is still called. */
3305 FOP_COND_PS(sf, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status), 0),
3306 (float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status), 0))
3307 FOP_COND_PS(ngle,float32_unordered(fst1, fst0, &env->active_fpu.fp_status),
3308 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status))
3309 FOP_COND_PS(seq, float32_eq(fst0, fst1, &env->active_fpu.fp_status),
3310 float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
3311 FOP_COND_PS(ngl, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_eq(fst0, fst1, &env->active_fpu.fp_status),
3312 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status) || float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
3313 FOP_COND_PS(lt, float32_lt(fst0, fst1, &env->active_fpu.fp_status),
3314 float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
3315 FOP_COND_PS(nge, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_lt(fst0, fst1, &env->active_fpu.fp_status),
3316 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status) || float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
3317 FOP_COND_PS(le, float32_le(fst0, fst1, &env->active_fpu.fp_status),
3318 float32_le(fsth0, fsth1, &env->active_fpu.fp_status))
3319 FOP_COND_PS(ngt, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_le(fst0, fst1, &env->active_fpu.fp_status),
3320 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status) || float32_le(fsth0, fsth1, &env->active_fpu.fp_status))