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 static inline void QEMU_NORETURN do_raise_exception_err(CPUMIPSState *env,
43 if (exception < 0x100)
44 qemu_log("%s: %d %d\n", __func__, exception, error_code);
46 env->exception_index = exception;
47 env->error_code = error_code;
50 /* now we have a real cpu fault */
53 /* the PC is inside the translated code. It means that we have
54 a virtual CPU fault */
55 cpu_restore_state(tb, env, pc);
62 static inline void QEMU_NORETURN do_raise_exception(CPUMIPSState *env,
66 do_raise_exception_err(env, exception, 0, pc);
69 void helper_raise_exception_err(CPUMIPSState *env, uint32_t exception,
72 do_raise_exception_err(env, exception, error_code, 0);
75 void helper_raise_exception(CPUMIPSState *env, uint32_t exception)
77 do_raise_exception(env, exception, 0);
80 #if defined(CONFIG_USER_ONLY)
81 #define HELPER_LD(name, insn, type) \
82 static inline type do_##name(CPUMIPSState *env, target_ulong addr, \
85 return (type) insn##_raw(addr); \
88 #define HELPER_LD(name, insn, type) \
89 static inline type do_##name(CPUMIPSState *env, target_ulong addr, \
94 case 0: return (type) cpu_##insn##_kernel(env, addr); break; \
95 case 1: return (type) cpu_##insn##_super(env, addr); break; \
97 case 2: return (type) cpu_##insn##_user(env, addr); break; \
101 HELPER_LD(lbu, ldub, uint8_t)
102 HELPER_LD(lw, ldl, int32_t)
104 HELPER_LD(ld, ldq, int64_t)
108 #if defined(CONFIG_USER_ONLY)
109 #define HELPER_ST(name, insn, type) \
110 static inline void do_##name(CPUMIPSState *env, target_ulong addr, \
111 type val, int mem_idx) \
113 insn##_raw(addr, val); \
116 #define HELPER_ST(name, insn, type) \
117 static inline void do_##name(CPUMIPSState *env, target_ulong addr, \
118 type val, int mem_idx) \
122 case 0: cpu_##insn##_kernel(env, addr, val); break; \
123 case 1: cpu_##insn##_super(env, addr, val); break; \
125 case 2: cpu_##insn##_user(env, addr, val); break; \
129 HELPER_ST(sb, stb, uint8_t)
130 HELPER_ST(sw, stl, uint32_t)
132 HELPER_ST(sd, stq, uint64_t)
136 target_ulong helper_clo (target_ulong arg1)
141 target_ulong helper_clz (target_ulong arg1)
146 #if defined(TARGET_MIPS64)
147 target_ulong helper_dclo (target_ulong arg1)
152 target_ulong helper_dclz (target_ulong arg1)
156 #endif /* TARGET_MIPS64 */
158 /* 64 bits arithmetic for 32 bits hosts */
159 static inline uint64_t get_HILO(CPUMIPSState *env)
161 return ((uint64_t)(env->active_tc.HI[0]) << 32) | (uint32_t)env->active_tc.LO[0];
164 static inline target_ulong set_HIT0_LO(CPUMIPSState *env, uint64_t HILO)
167 env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF);
168 tmp = env->active_tc.HI[0] = (int32_t)(HILO >> 32);
172 static inline target_ulong set_HI_LOT0(CPUMIPSState *env, uint64_t HILO)
174 target_ulong tmp = env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF);
175 env->active_tc.HI[0] = (int32_t)(HILO >> 32);
179 /* Multiplication variants of the vr54xx. */
180 target_ulong helper_muls(CPUMIPSState *env, target_ulong arg1,
183 return set_HI_LOT0(env, 0 - ((int64_t)(int32_t)arg1 *
184 (int64_t)(int32_t)arg2));
187 target_ulong helper_mulsu(CPUMIPSState *env, target_ulong arg1,
190 return set_HI_LOT0(env, 0 - (uint64_t)(uint32_t)arg1 *
191 (uint64_t)(uint32_t)arg2);
194 target_ulong helper_macc(CPUMIPSState *env, target_ulong arg1,
197 return set_HI_LOT0(env, (int64_t)get_HILO(env) + (int64_t)(int32_t)arg1 *
198 (int64_t)(int32_t)arg2);
201 target_ulong helper_macchi(CPUMIPSState *env, target_ulong arg1,
204 return set_HIT0_LO(env, (int64_t)get_HILO(env) + (int64_t)(int32_t)arg1 *
205 (int64_t)(int32_t)arg2);
208 target_ulong helper_maccu(CPUMIPSState *env, target_ulong arg1,
211 return set_HI_LOT0(env, (uint64_t)get_HILO(env) +
212 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
215 target_ulong helper_macchiu(CPUMIPSState *env, target_ulong arg1,
218 return set_HIT0_LO(env, (uint64_t)get_HILO(env) +
219 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
222 target_ulong helper_msac(CPUMIPSState *env, target_ulong arg1,
225 return set_HI_LOT0(env, (int64_t)get_HILO(env) - (int64_t)(int32_t)arg1 *
226 (int64_t)(int32_t)arg2);
229 target_ulong helper_msachi(CPUMIPSState *env, target_ulong arg1,
232 return set_HIT0_LO(env, (int64_t)get_HILO(env) - (int64_t)(int32_t)arg1 *
233 (int64_t)(int32_t)arg2);
236 target_ulong helper_msacu(CPUMIPSState *env, target_ulong arg1,
239 return set_HI_LOT0(env, (uint64_t)get_HILO(env) -
240 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
243 target_ulong helper_msachiu(CPUMIPSState *env, target_ulong arg1,
246 return set_HIT0_LO(env, (uint64_t)get_HILO(env) -
247 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
250 target_ulong helper_mulhi(CPUMIPSState *env, target_ulong arg1,
253 return set_HIT0_LO(env, (int64_t)(int32_t)arg1 * (int64_t)(int32_t)arg2);
256 target_ulong helper_mulhiu(CPUMIPSState *env, target_ulong arg1,
259 return set_HIT0_LO(env, (uint64_t)(uint32_t)arg1 *
260 (uint64_t)(uint32_t)arg2);
263 target_ulong helper_mulshi(CPUMIPSState *env, target_ulong arg1,
266 return set_HIT0_LO(env, 0 - (int64_t)(int32_t)arg1 *
267 (int64_t)(int32_t)arg2);
270 target_ulong helper_mulshiu(CPUMIPSState *env, target_ulong arg1,
273 return set_HIT0_LO(env, 0 - (uint64_t)(uint32_t)arg1 *
274 (uint64_t)(uint32_t)arg2);
278 void helper_dmult(CPUMIPSState *env, target_ulong arg1, target_ulong arg2)
280 muls64(&(env->active_tc.LO[0]), &(env->active_tc.HI[0]), arg1, arg2);
283 void helper_dmultu(CPUMIPSState *env, target_ulong arg1, target_ulong arg2)
285 mulu64(&(env->active_tc.LO[0]), &(env->active_tc.HI[0]), arg1, arg2);
289 #ifndef CONFIG_USER_ONLY
291 static inline hwaddr do_translate_address(CPUMIPSState *env,
292 target_ulong address,
297 lladdr = cpu_mips_translate_address(env, address, rw);
299 if (lladdr == -1LL) {
306 #define HELPER_LD_ATOMIC(name, insn) \
307 target_ulong helper_##name(CPUMIPSState *env, target_ulong arg, int mem_idx) \
309 env->lladdr = do_translate_address(env, arg, 0); \
310 env->llval = do_##insn(env, arg, mem_idx); \
313 HELPER_LD_ATOMIC(ll, lw)
315 HELPER_LD_ATOMIC(lld, ld)
317 #undef HELPER_LD_ATOMIC
319 #define HELPER_ST_ATOMIC(name, ld_insn, st_insn, almask) \
320 target_ulong helper_##name(CPUMIPSState *env, target_ulong arg1, \
321 target_ulong arg2, int mem_idx) \
325 if (arg2 & almask) { \
326 env->CP0_BadVAddr = arg2; \
327 helper_raise_exception(env, EXCP_AdES); \
329 if (do_translate_address(env, arg2, 1) == env->lladdr) { \
330 tmp = do_##ld_insn(env, arg2, mem_idx); \
331 if (tmp == env->llval) { \
332 do_##st_insn(env, arg2, arg1, mem_idx); \
338 HELPER_ST_ATOMIC(sc, lw, sw, 0x3)
340 HELPER_ST_ATOMIC(scd, ld, sd, 0x7)
342 #undef HELPER_ST_ATOMIC
345 #ifdef TARGET_WORDS_BIGENDIAN
346 #define GET_LMASK(v) ((v) & 3)
347 #define GET_OFFSET(addr, offset) (addr + (offset))
349 #define GET_LMASK(v) (((v) & 3) ^ 3)
350 #define GET_OFFSET(addr, offset) (addr - (offset))
353 target_ulong helper_lwl(CPUMIPSState *env, target_ulong arg1,
354 target_ulong arg2, int mem_idx)
358 tmp = do_lbu(env, arg2, mem_idx);
359 arg1 = (arg1 & 0x00FFFFFF) | (tmp << 24);
361 if (GET_LMASK(arg2) <= 2) {
362 tmp = do_lbu(env, GET_OFFSET(arg2, 1), mem_idx);
363 arg1 = (arg1 & 0xFF00FFFF) | (tmp << 16);
366 if (GET_LMASK(arg2) <= 1) {
367 tmp = do_lbu(env, GET_OFFSET(arg2, 2), mem_idx);
368 arg1 = (arg1 & 0xFFFF00FF) | (tmp << 8);
371 if (GET_LMASK(arg2) == 0) {
372 tmp = do_lbu(env, GET_OFFSET(arg2, 3), mem_idx);
373 arg1 = (arg1 & 0xFFFFFF00) | tmp;
375 return (int32_t)arg1;
378 target_ulong helper_lwr(CPUMIPSState *env, target_ulong arg1,
379 target_ulong arg2, int mem_idx)
383 tmp = do_lbu(env, arg2, mem_idx);
384 arg1 = (arg1 & 0xFFFFFF00) | tmp;
386 if (GET_LMASK(arg2) >= 1) {
387 tmp = do_lbu(env, GET_OFFSET(arg2, -1), mem_idx);
388 arg1 = (arg1 & 0xFFFF00FF) | (tmp << 8);
391 if (GET_LMASK(arg2) >= 2) {
392 tmp = do_lbu(env, GET_OFFSET(arg2, -2), mem_idx);
393 arg1 = (arg1 & 0xFF00FFFF) | (tmp << 16);
396 if (GET_LMASK(arg2) == 3) {
397 tmp = do_lbu(env, GET_OFFSET(arg2, -3), mem_idx);
398 arg1 = (arg1 & 0x00FFFFFF) | (tmp << 24);
400 return (int32_t)arg1;
403 void helper_swl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
406 do_sb(env, arg2, (uint8_t)(arg1 >> 24), mem_idx);
408 if (GET_LMASK(arg2) <= 2)
409 do_sb(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 16), mem_idx);
411 if (GET_LMASK(arg2) <= 1)
412 do_sb(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 8), mem_idx);
414 if (GET_LMASK(arg2) == 0)
415 do_sb(env, GET_OFFSET(arg2, 3), (uint8_t)arg1, mem_idx);
418 void helper_swr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
421 do_sb(env, arg2, (uint8_t)arg1, mem_idx);
423 if (GET_LMASK(arg2) >= 1)
424 do_sb(env, GET_OFFSET(arg2, -1), (uint8_t)(arg1 >> 8), mem_idx);
426 if (GET_LMASK(arg2) >= 2)
427 do_sb(env, GET_OFFSET(arg2, -2), (uint8_t)(arg1 >> 16), mem_idx);
429 if (GET_LMASK(arg2) == 3)
430 do_sb(env, GET_OFFSET(arg2, -3), (uint8_t)(arg1 >> 24), mem_idx);
433 #if defined(TARGET_MIPS64)
434 /* "half" load and stores. We must do the memory access inline,
435 or fault handling won't work. */
437 #ifdef TARGET_WORDS_BIGENDIAN
438 #define GET_LMASK64(v) ((v) & 7)
440 #define GET_LMASK64(v) (((v) & 7) ^ 7)
443 target_ulong helper_ldl(CPUMIPSState *env, target_ulong arg1,
444 target_ulong arg2, int mem_idx)
448 tmp = do_lbu(env, arg2, mem_idx);
449 arg1 = (arg1 & 0x00FFFFFFFFFFFFFFULL) | (tmp << 56);
451 if (GET_LMASK64(arg2) <= 6) {
452 tmp = do_lbu(env, GET_OFFSET(arg2, 1), mem_idx);
453 arg1 = (arg1 & 0xFF00FFFFFFFFFFFFULL) | (tmp << 48);
456 if (GET_LMASK64(arg2) <= 5) {
457 tmp = do_lbu(env, GET_OFFSET(arg2, 2), mem_idx);
458 arg1 = (arg1 & 0xFFFF00FFFFFFFFFFULL) | (tmp << 40);
461 if (GET_LMASK64(arg2) <= 4) {
462 tmp = do_lbu(env, GET_OFFSET(arg2, 3), mem_idx);
463 arg1 = (arg1 & 0xFFFFFF00FFFFFFFFULL) | (tmp << 32);
466 if (GET_LMASK64(arg2) <= 3) {
467 tmp = do_lbu(env, GET_OFFSET(arg2, 4), mem_idx);
468 arg1 = (arg1 & 0xFFFFFFFF00FFFFFFULL) | (tmp << 24);
471 if (GET_LMASK64(arg2) <= 2) {
472 tmp = do_lbu(env, GET_OFFSET(arg2, 5), mem_idx);
473 arg1 = (arg1 & 0xFFFFFFFFFF00FFFFULL) | (tmp << 16);
476 if (GET_LMASK64(arg2) <= 1) {
477 tmp = do_lbu(env, GET_OFFSET(arg2, 6), mem_idx);
478 arg1 = (arg1 & 0xFFFFFFFFFFFF00FFULL) | (tmp << 8);
481 if (GET_LMASK64(arg2) == 0) {
482 tmp = do_lbu(env, GET_OFFSET(arg2, 7), mem_idx);
483 arg1 = (arg1 & 0xFFFFFFFFFFFFFF00ULL) | tmp;
489 target_ulong helper_ldr(CPUMIPSState *env, target_ulong arg1,
490 target_ulong arg2, int mem_idx)
494 tmp = do_lbu(env, arg2, mem_idx);
495 arg1 = (arg1 & 0xFFFFFFFFFFFFFF00ULL) | tmp;
497 if (GET_LMASK64(arg2) >= 1) {
498 tmp = do_lbu(env, GET_OFFSET(arg2, -1), mem_idx);
499 arg1 = (arg1 & 0xFFFFFFFFFFFF00FFULL) | (tmp << 8);
502 if (GET_LMASK64(arg2) >= 2) {
503 tmp = do_lbu(env, GET_OFFSET(arg2, -2), mem_idx);
504 arg1 = (arg1 & 0xFFFFFFFFFF00FFFFULL) | (tmp << 16);
507 if (GET_LMASK64(arg2) >= 3) {
508 tmp = do_lbu(env, GET_OFFSET(arg2, -3), mem_idx);
509 arg1 = (arg1 & 0xFFFFFFFF00FFFFFFULL) | (tmp << 24);
512 if (GET_LMASK64(arg2) >= 4) {
513 tmp = do_lbu(env, GET_OFFSET(arg2, -4), mem_idx);
514 arg1 = (arg1 & 0xFFFFFF00FFFFFFFFULL) | (tmp << 32);
517 if (GET_LMASK64(arg2) >= 5) {
518 tmp = do_lbu(env, GET_OFFSET(arg2, -5), mem_idx);
519 arg1 = (arg1 & 0xFFFF00FFFFFFFFFFULL) | (tmp << 40);
522 if (GET_LMASK64(arg2) >= 6) {
523 tmp = do_lbu(env, GET_OFFSET(arg2, -6), mem_idx);
524 arg1 = (arg1 & 0xFF00FFFFFFFFFFFFULL) | (tmp << 48);
527 if (GET_LMASK64(arg2) == 7) {
528 tmp = do_lbu(env, GET_OFFSET(arg2, -7), mem_idx);
529 arg1 = (arg1 & 0x00FFFFFFFFFFFFFFULL) | (tmp << 56);
535 void helper_sdl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
538 do_sb(env, arg2, (uint8_t)(arg1 >> 56), mem_idx);
540 if (GET_LMASK64(arg2) <= 6)
541 do_sb(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 48), mem_idx);
543 if (GET_LMASK64(arg2) <= 5)
544 do_sb(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 40), mem_idx);
546 if (GET_LMASK64(arg2) <= 4)
547 do_sb(env, GET_OFFSET(arg2, 3), (uint8_t)(arg1 >> 32), mem_idx);
549 if (GET_LMASK64(arg2) <= 3)
550 do_sb(env, GET_OFFSET(arg2, 4), (uint8_t)(arg1 >> 24), mem_idx);
552 if (GET_LMASK64(arg2) <= 2)
553 do_sb(env, GET_OFFSET(arg2, 5), (uint8_t)(arg1 >> 16), mem_idx);
555 if (GET_LMASK64(arg2) <= 1)
556 do_sb(env, GET_OFFSET(arg2, 6), (uint8_t)(arg1 >> 8), mem_idx);
558 if (GET_LMASK64(arg2) <= 0)
559 do_sb(env, GET_OFFSET(arg2, 7), (uint8_t)arg1, mem_idx);
562 void helper_sdr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
565 do_sb(env, arg2, (uint8_t)arg1, mem_idx);
567 if (GET_LMASK64(arg2) >= 1)
568 do_sb(env, GET_OFFSET(arg2, -1), (uint8_t)(arg1 >> 8), mem_idx);
570 if (GET_LMASK64(arg2) >= 2)
571 do_sb(env, GET_OFFSET(arg2, -2), (uint8_t)(arg1 >> 16), mem_idx);
573 if (GET_LMASK64(arg2) >= 3)
574 do_sb(env, GET_OFFSET(arg2, -3), (uint8_t)(arg1 >> 24), mem_idx);
576 if (GET_LMASK64(arg2) >= 4)
577 do_sb(env, GET_OFFSET(arg2, -4), (uint8_t)(arg1 >> 32), mem_idx);
579 if (GET_LMASK64(arg2) >= 5)
580 do_sb(env, GET_OFFSET(arg2, -5), (uint8_t)(arg1 >> 40), mem_idx);
582 if (GET_LMASK64(arg2) >= 6)
583 do_sb(env, GET_OFFSET(arg2, -6), (uint8_t)(arg1 >> 48), mem_idx);
585 if (GET_LMASK64(arg2) == 7)
586 do_sb(env, GET_OFFSET(arg2, -7), (uint8_t)(arg1 >> 56), mem_idx);
588 #endif /* TARGET_MIPS64 */
590 static const int multiple_regs[] = { 16, 17, 18, 19, 20, 21, 22, 23, 30 };
592 void helper_lwm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
595 target_ulong base_reglist = reglist & 0xf;
596 target_ulong do_r31 = reglist & 0x10;
598 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
601 for (i = 0; i < base_reglist; i++) {
602 env->active_tc.gpr[multiple_regs[i]] =
603 (target_long)do_lw(env, addr, mem_idx);
609 env->active_tc.gpr[31] = (target_long)do_lw(env, addr, mem_idx);
613 void helper_swm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
616 target_ulong base_reglist = reglist & 0xf;
617 target_ulong do_r31 = reglist & 0x10;
619 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
622 for (i = 0; i < base_reglist; i++) {
623 do_sw(env, addr, env->active_tc.gpr[multiple_regs[i]], mem_idx);
629 do_sw(env, addr, env->active_tc.gpr[31], mem_idx);
633 #if defined(TARGET_MIPS64)
634 void helper_ldm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
637 target_ulong base_reglist = reglist & 0xf;
638 target_ulong do_r31 = reglist & 0x10;
640 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
643 for (i = 0; i < base_reglist; i++) {
644 env->active_tc.gpr[multiple_regs[i]] = do_ld(env, addr, mem_idx);
650 env->active_tc.gpr[31] = do_ld(env, addr, mem_idx);
654 void helper_sdm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
657 target_ulong base_reglist = reglist & 0xf;
658 target_ulong do_r31 = reglist & 0x10;
660 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
663 for (i = 0; i < base_reglist; i++) {
664 do_sd(env, addr, env->active_tc.gpr[multiple_regs[i]], mem_idx);
670 do_sd(env, addr, env->active_tc.gpr[31], mem_idx);
675 #ifndef CONFIG_USER_ONLY
677 static bool mips_vpe_is_wfi(MIPSCPU *c)
679 CPUMIPSState *env = &c->env;
681 /* If the VPE is halted but otherwise active, it means it's waiting for
683 return env->halted && mips_vpe_active(env);
686 static inline void mips_vpe_wake(CPUMIPSState *c)
688 /* Dont set ->halted = 0 directly, let it be done via cpu_has_work
689 because there might be other conditions that state that c should
691 cpu_interrupt(c, CPU_INTERRUPT_WAKE);
694 static inline void mips_vpe_sleep(MIPSCPU *cpu)
696 CPUMIPSState *c = &cpu->env;
698 /* The VPE was shut off, really go to bed.
699 Reset any old _WAKE requests. */
701 cpu_reset_interrupt(c, CPU_INTERRUPT_WAKE);
704 static inline void mips_tc_wake(MIPSCPU *cpu, int tc)
706 CPUMIPSState *c = &cpu->env;
708 /* FIXME: TC reschedule. */
709 if (mips_vpe_active(c) && !mips_vpe_is_wfi(cpu)) {
714 static inline void mips_tc_sleep(MIPSCPU *cpu, int tc)
716 CPUMIPSState *c = &cpu->env;
718 /* FIXME: TC reschedule. */
719 if (!mips_vpe_active(c)) {
724 /* tc should point to an int with the value of the global TC index.
725 This function will transform it into a local index within the
726 returned CPUMIPSState.
728 FIXME: This code assumes that all VPEs have the same number of TCs,
729 which depends on runtime setup. Can probably be fixed by
730 walking the list of CPUMIPSStates. */
731 static CPUMIPSState *mips_cpu_map_tc(CPUMIPSState *env, int *tc)
734 int vpe_idx, nr_threads = env->nr_threads;
737 if (!(env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP))) {
738 /* Not allowed to address other CPUs. */
739 *tc = env->current_tc;
743 vpe_idx = tc_idx / nr_threads;
744 *tc = tc_idx % nr_threads;
745 other = qemu_get_cpu(vpe_idx);
746 return other ? other : env;
749 /* The per VPE CP0_Status register shares some fields with the per TC
750 CP0_TCStatus registers. These fields are wired to the same registers,
751 so changes to either of them should be reflected on both registers.
753 Also, EntryHi shares the bottom 8 bit ASID with TCStauts.
755 These helper call synchronizes the regs for a given cpu. */
757 /* Called for updates to CP0_Status. */
758 static void sync_c0_status(CPUMIPSState *env, CPUMIPSState *cpu, int tc)
760 int32_t tcstatus, *tcst;
761 uint32_t v = cpu->CP0_Status;
762 uint32_t cu, mx, asid, ksu;
763 uint32_t mask = ((1 << CP0TCSt_TCU3)
764 | (1 << CP0TCSt_TCU2)
765 | (1 << CP0TCSt_TCU1)
766 | (1 << CP0TCSt_TCU0)
768 | (3 << CP0TCSt_TKSU)
769 | (0xff << CP0TCSt_TASID));
771 cu = (v >> CP0St_CU0) & 0xf;
772 mx = (v >> CP0St_MX) & 0x1;
773 ksu = (v >> CP0St_KSU) & 0x3;
774 asid = env->CP0_EntryHi & 0xff;
776 tcstatus = cu << CP0TCSt_TCU0;
777 tcstatus |= mx << CP0TCSt_TMX;
778 tcstatus |= ksu << CP0TCSt_TKSU;
781 if (tc == cpu->current_tc) {
782 tcst = &cpu->active_tc.CP0_TCStatus;
784 tcst = &cpu->tcs[tc].CP0_TCStatus;
792 /* Called for updates to CP0_TCStatus. */
793 static void sync_c0_tcstatus(CPUMIPSState *cpu, int tc,
797 uint32_t tcu, tmx, tasid, tksu;
798 uint32_t mask = ((1 << CP0St_CU3)
805 tcu = (v >> CP0TCSt_TCU0) & 0xf;
806 tmx = (v >> CP0TCSt_TMX) & 0x1;
808 tksu = (v >> CP0TCSt_TKSU) & 0x3;
810 status = tcu << CP0St_CU0;
811 status |= tmx << CP0St_MX;
812 status |= tksu << CP0St_KSU;
814 cpu->CP0_Status &= ~mask;
815 cpu->CP0_Status |= status;
817 /* Sync the TASID with EntryHi. */
818 cpu->CP0_EntryHi &= ~0xff;
819 cpu->CP0_EntryHi = tasid;
824 /* Called for updates to CP0_EntryHi. */
825 static void sync_c0_entryhi(CPUMIPSState *cpu, int tc)
828 uint32_t asid, v = cpu->CP0_EntryHi;
832 if (tc == cpu->current_tc) {
833 tcst = &cpu->active_tc.CP0_TCStatus;
835 tcst = &cpu->tcs[tc].CP0_TCStatus;
843 target_ulong helper_mfc0_mvpcontrol(CPUMIPSState *env)
845 return env->mvp->CP0_MVPControl;
848 target_ulong helper_mfc0_mvpconf0(CPUMIPSState *env)
850 return env->mvp->CP0_MVPConf0;
853 target_ulong helper_mfc0_mvpconf1(CPUMIPSState *env)
855 return env->mvp->CP0_MVPConf1;
858 target_ulong helper_mfc0_random(CPUMIPSState *env)
860 return (int32_t)cpu_mips_get_random(env);
863 target_ulong helper_mfc0_tcstatus(CPUMIPSState *env)
865 return env->active_tc.CP0_TCStatus;
868 target_ulong helper_mftc0_tcstatus(CPUMIPSState *env)
870 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
871 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
873 if (other_tc == other->current_tc)
874 return other->active_tc.CP0_TCStatus;
876 return other->tcs[other_tc].CP0_TCStatus;
879 target_ulong helper_mfc0_tcbind(CPUMIPSState *env)
881 return env->active_tc.CP0_TCBind;
884 target_ulong helper_mftc0_tcbind(CPUMIPSState *env)
886 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
887 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
889 if (other_tc == other->current_tc)
890 return other->active_tc.CP0_TCBind;
892 return other->tcs[other_tc].CP0_TCBind;
895 target_ulong helper_mfc0_tcrestart(CPUMIPSState *env)
897 return env->active_tc.PC;
900 target_ulong helper_mftc0_tcrestart(CPUMIPSState *env)
902 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
903 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
905 if (other_tc == other->current_tc)
906 return other->active_tc.PC;
908 return other->tcs[other_tc].PC;
911 target_ulong helper_mfc0_tchalt(CPUMIPSState *env)
913 return env->active_tc.CP0_TCHalt;
916 target_ulong helper_mftc0_tchalt(CPUMIPSState *env)
918 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
919 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
921 if (other_tc == other->current_tc)
922 return other->active_tc.CP0_TCHalt;
924 return other->tcs[other_tc].CP0_TCHalt;
927 target_ulong helper_mfc0_tccontext(CPUMIPSState *env)
929 return env->active_tc.CP0_TCContext;
932 target_ulong helper_mftc0_tccontext(CPUMIPSState *env)
934 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
935 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
937 if (other_tc == other->current_tc)
938 return other->active_tc.CP0_TCContext;
940 return other->tcs[other_tc].CP0_TCContext;
943 target_ulong helper_mfc0_tcschedule(CPUMIPSState *env)
945 return env->active_tc.CP0_TCSchedule;
948 target_ulong helper_mftc0_tcschedule(CPUMIPSState *env)
950 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
951 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
953 if (other_tc == other->current_tc)
954 return other->active_tc.CP0_TCSchedule;
956 return other->tcs[other_tc].CP0_TCSchedule;
959 target_ulong helper_mfc0_tcschefback(CPUMIPSState *env)
961 return env->active_tc.CP0_TCScheFBack;
964 target_ulong helper_mftc0_tcschefback(CPUMIPSState *env)
966 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
967 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
969 if (other_tc == other->current_tc)
970 return other->active_tc.CP0_TCScheFBack;
972 return other->tcs[other_tc].CP0_TCScheFBack;
975 target_ulong helper_mfc0_count(CPUMIPSState *env)
977 return (int32_t)cpu_mips_get_count(env);
980 target_ulong helper_mftc0_entryhi(CPUMIPSState *env)
982 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
983 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
985 return other->CP0_EntryHi;
988 target_ulong helper_mftc0_cause(CPUMIPSState *env)
990 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
992 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
994 if (other_tc == other->current_tc) {
995 tccause = other->CP0_Cause;
997 tccause = other->CP0_Cause;
1003 target_ulong helper_mftc0_status(CPUMIPSState *env)
1005 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1006 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1008 return other->CP0_Status;
1011 target_ulong helper_mfc0_lladdr(CPUMIPSState *env)
1013 return (int32_t)(env->lladdr >> env->CP0_LLAddr_shift);
1016 target_ulong helper_mfc0_watchlo(CPUMIPSState *env, uint32_t sel)
1018 return (int32_t)env->CP0_WatchLo[sel];
1021 target_ulong helper_mfc0_watchhi(CPUMIPSState *env, uint32_t sel)
1023 return env->CP0_WatchHi[sel];
1026 target_ulong helper_mfc0_debug(CPUMIPSState *env)
1028 target_ulong t0 = env->CP0_Debug;
1029 if (env->hflags & MIPS_HFLAG_DM)
1030 t0 |= 1 << CP0DB_DM;
1035 target_ulong helper_mftc0_debug(CPUMIPSState *env)
1037 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1039 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1041 if (other_tc == other->current_tc)
1042 tcstatus = other->active_tc.CP0_Debug_tcstatus;
1044 tcstatus = other->tcs[other_tc].CP0_Debug_tcstatus;
1046 /* XXX: Might be wrong, check with EJTAG spec. */
1047 return (other->CP0_Debug & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) |
1048 (tcstatus & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt)));
1051 #if defined(TARGET_MIPS64)
1052 target_ulong helper_dmfc0_tcrestart(CPUMIPSState *env)
1054 return env->active_tc.PC;
1057 target_ulong helper_dmfc0_tchalt(CPUMIPSState *env)
1059 return env->active_tc.CP0_TCHalt;
1062 target_ulong helper_dmfc0_tccontext(CPUMIPSState *env)
1064 return env->active_tc.CP0_TCContext;
1067 target_ulong helper_dmfc0_tcschedule(CPUMIPSState *env)
1069 return env->active_tc.CP0_TCSchedule;
1072 target_ulong helper_dmfc0_tcschefback(CPUMIPSState *env)
1074 return env->active_tc.CP0_TCScheFBack;
1077 target_ulong helper_dmfc0_lladdr(CPUMIPSState *env)
1079 return env->lladdr >> env->CP0_LLAddr_shift;
1082 target_ulong helper_dmfc0_watchlo(CPUMIPSState *env, uint32_t sel)
1084 return env->CP0_WatchLo[sel];
1086 #endif /* TARGET_MIPS64 */
1088 void helper_mtc0_index(CPUMIPSState *env, target_ulong arg1)
1091 unsigned int tmp = env->tlb->nb_tlb;
1097 env->CP0_Index = (env->CP0_Index & 0x80000000) | (arg1 & (num - 1));
1100 void helper_mtc0_mvpcontrol(CPUMIPSState *env, target_ulong arg1)
1105 if (env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP))
1106 mask |= (1 << CP0MVPCo_CPA) | (1 << CP0MVPCo_VPC) |
1107 (1 << CP0MVPCo_EVP);
1108 if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1109 mask |= (1 << CP0MVPCo_STLB);
1110 newval = (env->mvp->CP0_MVPControl & ~mask) | (arg1 & mask);
1112 // TODO: Enable/disable shared TLB, enable/disable VPEs.
1114 env->mvp->CP0_MVPControl = newval;
1117 void helper_mtc0_vpecontrol(CPUMIPSState *env, target_ulong arg1)
1122 mask = (1 << CP0VPECo_YSI) | (1 << CP0VPECo_GSI) |
1123 (1 << CP0VPECo_TE) | (0xff << CP0VPECo_TargTC);
1124 newval = (env->CP0_VPEControl & ~mask) | (arg1 & mask);
1126 /* Yield scheduler intercept not implemented. */
1127 /* Gating storage scheduler intercept not implemented. */
1129 // TODO: Enable/disable TCs.
1131 env->CP0_VPEControl = newval;
1134 void helper_mttc0_vpecontrol(CPUMIPSState *env, target_ulong arg1)
1136 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1137 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1141 mask = (1 << CP0VPECo_YSI) | (1 << CP0VPECo_GSI) |
1142 (1 << CP0VPECo_TE) | (0xff << CP0VPECo_TargTC);
1143 newval = (other->CP0_VPEControl & ~mask) | (arg1 & mask);
1145 /* TODO: Enable/disable TCs. */
1147 other->CP0_VPEControl = newval;
1150 target_ulong helper_mftc0_vpecontrol(CPUMIPSState *env)
1152 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1153 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1154 /* FIXME: Mask away return zero on read bits. */
1155 return other->CP0_VPEControl;
1158 target_ulong helper_mftc0_vpeconf0(CPUMIPSState *env)
1160 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1161 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1163 return other->CP0_VPEConf0;
1166 void helper_mtc0_vpeconf0(CPUMIPSState *env, target_ulong arg1)
1171 if (env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) {
1172 if (env->CP0_VPEConf0 & (1 << CP0VPEC0_VPA))
1173 mask |= (0xff << CP0VPEC0_XTC);
1174 mask |= (1 << CP0VPEC0_MVP) | (1 << CP0VPEC0_VPA);
1176 newval = (env->CP0_VPEConf0 & ~mask) | (arg1 & mask);
1178 // TODO: TC exclusive handling due to ERL/EXL.
1180 env->CP0_VPEConf0 = newval;
1183 void helper_mttc0_vpeconf0(CPUMIPSState *env, target_ulong arg1)
1185 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1186 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1190 mask |= (1 << CP0VPEC0_MVP) | (1 << CP0VPEC0_VPA);
1191 newval = (other->CP0_VPEConf0 & ~mask) | (arg1 & mask);
1193 /* TODO: TC exclusive handling due to ERL/EXL. */
1194 other->CP0_VPEConf0 = newval;
1197 void helper_mtc0_vpeconf1(CPUMIPSState *env, target_ulong arg1)
1202 if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1203 mask |= (0xff << CP0VPEC1_NCX) | (0xff << CP0VPEC1_NCP2) |
1204 (0xff << CP0VPEC1_NCP1);
1205 newval = (env->CP0_VPEConf1 & ~mask) | (arg1 & mask);
1207 /* UDI not implemented. */
1208 /* CP2 not implemented. */
1210 // TODO: Handle FPU (CP1) binding.
1212 env->CP0_VPEConf1 = newval;
1215 void helper_mtc0_yqmask(CPUMIPSState *env, target_ulong arg1)
1217 /* Yield qualifier inputs not implemented. */
1218 env->CP0_YQMask = 0x00000000;
1221 void helper_mtc0_vpeopt(CPUMIPSState *env, target_ulong arg1)
1223 env->CP0_VPEOpt = arg1 & 0x0000ffff;
1226 void helper_mtc0_entrylo0(CPUMIPSState *env, target_ulong arg1)
1228 /* Large physaddr (PABITS) not implemented */
1229 /* 1k pages not implemented */
1230 env->CP0_EntryLo0 = arg1 & 0x3FFFFFFF;
1233 void helper_mtc0_tcstatus(CPUMIPSState *env, target_ulong arg1)
1235 uint32_t mask = env->CP0_TCStatus_rw_bitmask;
1238 newval = (env->active_tc.CP0_TCStatus & ~mask) | (arg1 & mask);
1240 env->active_tc.CP0_TCStatus = newval;
1241 sync_c0_tcstatus(env, env->current_tc, newval);
1244 void helper_mttc0_tcstatus(CPUMIPSState *env, target_ulong arg1)
1246 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1247 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1249 if (other_tc == other->current_tc)
1250 other->active_tc.CP0_TCStatus = arg1;
1252 other->tcs[other_tc].CP0_TCStatus = arg1;
1253 sync_c0_tcstatus(other, other_tc, arg1);
1256 void helper_mtc0_tcbind(CPUMIPSState *env, target_ulong arg1)
1258 uint32_t mask = (1 << CP0TCBd_TBE);
1261 if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1262 mask |= (1 << CP0TCBd_CurVPE);
1263 newval = (env->active_tc.CP0_TCBind & ~mask) | (arg1 & mask);
1264 env->active_tc.CP0_TCBind = newval;
1267 void helper_mttc0_tcbind(CPUMIPSState *env, target_ulong arg1)
1269 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1270 uint32_t mask = (1 << CP0TCBd_TBE);
1272 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1274 if (other->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1275 mask |= (1 << CP0TCBd_CurVPE);
1276 if (other_tc == other->current_tc) {
1277 newval = (other->active_tc.CP0_TCBind & ~mask) | (arg1 & mask);
1278 other->active_tc.CP0_TCBind = newval;
1280 newval = (other->tcs[other_tc].CP0_TCBind & ~mask) | (arg1 & mask);
1281 other->tcs[other_tc].CP0_TCBind = newval;
1285 void helper_mtc0_tcrestart(CPUMIPSState *env, target_ulong arg1)
1287 env->active_tc.PC = arg1;
1288 env->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
1290 /* MIPS16 not implemented. */
1293 void helper_mttc0_tcrestart(CPUMIPSState *env, target_ulong arg1)
1295 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1296 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1298 if (other_tc == other->current_tc) {
1299 other->active_tc.PC = arg1;
1300 other->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
1301 other->lladdr = 0ULL;
1302 /* MIPS16 not implemented. */
1304 other->tcs[other_tc].PC = arg1;
1305 other->tcs[other_tc].CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
1306 other->lladdr = 0ULL;
1307 /* MIPS16 not implemented. */
1311 void helper_mtc0_tchalt(CPUMIPSState *env, target_ulong arg1)
1313 MIPSCPU *cpu = mips_env_get_cpu(env);
1315 env->active_tc.CP0_TCHalt = arg1 & 0x1;
1317 // TODO: Halt TC / Restart (if allocated+active) TC.
1318 if (env->active_tc.CP0_TCHalt & 1) {
1319 mips_tc_sleep(cpu, env->current_tc);
1321 mips_tc_wake(cpu, env->current_tc);
1325 void helper_mttc0_tchalt(CPUMIPSState *env, target_ulong arg1)
1327 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1328 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1329 MIPSCPU *other_cpu = mips_env_get_cpu(other);
1331 // TODO: Halt TC / Restart (if allocated+active) TC.
1333 if (other_tc == other->current_tc)
1334 other->active_tc.CP0_TCHalt = arg1;
1336 other->tcs[other_tc].CP0_TCHalt = arg1;
1339 mips_tc_sleep(other_cpu, other_tc);
1341 mips_tc_wake(other_cpu, other_tc);
1345 void helper_mtc0_tccontext(CPUMIPSState *env, target_ulong arg1)
1347 env->active_tc.CP0_TCContext = arg1;
1350 void helper_mttc0_tccontext(CPUMIPSState *env, target_ulong arg1)
1352 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1353 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1355 if (other_tc == other->current_tc)
1356 other->active_tc.CP0_TCContext = arg1;
1358 other->tcs[other_tc].CP0_TCContext = arg1;
1361 void helper_mtc0_tcschedule(CPUMIPSState *env, target_ulong arg1)
1363 env->active_tc.CP0_TCSchedule = arg1;
1366 void helper_mttc0_tcschedule(CPUMIPSState *env, target_ulong arg1)
1368 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1369 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1371 if (other_tc == other->current_tc)
1372 other->active_tc.CP0_TCSchedule = arg1;
1374 other->tcs[other_tc].CP0_TCSchedule = arg1;
1377 void helper_mtc0_tcschefback(CPUMIPSState *env, target_ulong arg1)
1379 env->active_tc.CP0_TCScheFBack = arg1;
1382 void helper_mttc0_tcschefback(CPUMIPSState *env, target_ulong arg1)
1384 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1385 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1387 if (other_tc == other->current_tc)
1388 other->active_tc.CP0_TCScheFBack = arg1;
1390 other->tcs[other_tc].CP0_TCScheFBack = arg1;
1393 void helper_mtc0_entrylo1(CPUMIPSState *env, target_ulong arg1)
1395 /* Large physaddr (PABITS) not implemented */
1396 /* 1k pages not implemented */
1397 env->CP0_EntryLo1 = arg1 & 0x3FFFFFFF;
1400 void helper_mtc0_context(CPUMIPSState *env, target_ulong arg1)
1402 env->CP0_Context = (env->CP0_Context & 0x007FFFFF) | (arg1 & ~0x007FFFFF);
1405 void helper_mtc0_pagemask(CPUMIPSState *env, target_ulong arg1)
1407 /* 1k pages not implemented */
1408 env->CP0_PageMask = arg1 & (0x1FFFFFFF & (TARGET_PAGE_MASK << 1));
1411 void helper_mtc0_pagegrain(CPUMIPSState *env, target_ulong arg1)
1413 /* SmartMIPS not implemented */
1414 /* Large physaddr (PABITS) not implemented */
1415 /* 1k pages not implemented */
1416 env->CP0_PageGrain = 0;
1419 void helper_mtc0_wired(CPUMIPSState *env, target_ulong arg1)
1421 env->CP0_Wired = arg1 % env->tlb->nb_tlb;
1424 void helper_mtc0_srsconf0(CPUMIPSState *env, target_ulong arg1)
1426 env->CP0_SRSConf0 |= arg1 & env->CP0_SRSConf0_rw_bitmask;
1429 void helper_mtc0_srsconf1(CPUMIPSState *env, target_ulong arg1)
1431 env->CP0_SRSConf1 |= arg1 & env->CP0_SRSConf1_rw_bitmask;
1434 void helper_mtc0_srsconf2(CPUMIPSState *env, target_ulong arg1)
1436 env->CP0_SRSConf2 |= arg1 & env->CP0_SRSConf2_rw_bitmask;
1439 void helper_mtc0_srsconf3(CPUMIPSState *env, target_ulong arg1)
1441 env->CP0_SRSConf3 |= arg1 & env->CP0_SRSConf3_rw_bitmask;
1444 void helper_mtc0_srsconf4(CPUMIPSState *env, target_ulong arg1)
1446 env->CP0_SRSConf4 |= arg1 & env->CP0_SRSConf4_rw_bitmask;
1449 void helper_mtc0_hwrena(CPUMIPSState *env, target_ulong arg1)
1451 env->CP0_HWREna = arg1 & 0x0000000F;
1454 void helper_mtc0_count(CPUMIPSState *env, target_ulong arg1)
1456 cpu_mips_store_count(env, arg1);
1459 void helper_mtc0_entryhi(CPUMIPSState *env, target_ulong arg1)
1461 target_ulong old, val;
1463 /* 1k pages not implemented */
1464 val = arg1 & ((TARGET_PAGE_MASK << 1) | 0xFF);
1465 #if defined(TARGET_MIPS64)
1466 val &= env->SEGMask;
1468 old = env->CP0_EntryHi;
1469 env->CP0_EntryHi = val;
1470 if (env->CP0_Config3 & (1 << CP0C3_MT)) {
1471 sync_c0_entryhi(env, env->current_tc);
1473 /* If the ASID changes, flush qemu's TLB. */
1474 if ((old & 0xFF) != (val & 0xFF))
1475 cpu_mips_tlb_flush(env, 1);
1478 void helper_mttc0_entryhi(CPUMIPSState *env, target_ulong arg1)
1480 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1481 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1483 other->CP0_EntryHi = arg1;
1484 sync_c0_entryhi(other, other_tc);
1487 void helper_mtc0_compare(CPUMIPSState *env, target_ulong arg1)
1489 cpu_mips_store_compare(env, arg1);
1492 void helper_mtc0_status(CPUMIPSState *env, target_ulong arg1)
1495 uint32_t mask = env->CP0_Status_rw_bitmask;
1498 old = env->CP0_Status;
1499 env->CP0_Status = (env->CP0_Status & ~mask) | val;
1500 if (env->CP0_Config3 & (1 << CP0C3_MT)) {
1501 sync_c0_status(env, env, env->current_tc);
1503 compute_hflags(env);
1506 if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
1507 qemu_log("Status %08x (%08x) => %08x (%08x) Cause %08x",
1508 old, old & env->CP0_Cause & CP0Ca_IP_mask,
1509 val, val & env->CP0_Cause & CP0Ca_IP_mask,
1511 switch (env->hflags & MIPS_HFLAG_KSU) {
1512 case MIPS_HFLAG_UM: qemu_log(", UM\n"); break;
1513 case MIPS_HFLAG_SM: qemu_log(", SM\n"); break;
1514 case MIPS_HFLAG_KM: qemu_log("\n"); break;
1515 default: cpu_abort(env, "Invalid MMU mode!\n"); break;
1520 void helper_mttc0_status(CPUMIPSState *env, target_ulong arg1)
1522 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1523 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1525 other->CP0_Status = arg1 & ~0xf1000018;
1526 sync_c0_status(env, other, other_tc);
1529 void helper_mtc0_intctl(CPUMIPSState *env, target_ulong arg1)
1531 /* vectored interrupts not implemented, no performance counters. */
1532 env->CP0_IntCtl = (env->CP0_IntCtl & ~0x000003e0) | (arg1 & 0x000003e0);
1535 void helper_mtc0_srsctl(CPUMIPSState *env, target_ulong arg1)
1537 uint32_t mask = (0xf << CP0SRSCtl_ESS) | (0xf << CP0SRSCtl_PSS);
1538 env->CP0_SRSCtl = (env->CP0_SRSCtl & ~mask) | (arg1 & mask);
1541 static void mtc0_cause(CPUMIPSState *cpu, target_ulong arg1)
1543 uint32_t mask = 0x00C00300;
1544 uint32_t old = cpu->CP0_Cause;
1547 if (cpu->insn_flags & ISA_MIPS32R2) {
1548 mask |= 1 << CP0Ca_DC;
1551 cpu->CP0_Cause = (cpu->CP0_Cause & ~mask) | (arg1 & mask);
1553 if ((old ^ cpu->CP0_Cause) & (1 << CP0Ca_DC)) {
1554 if (cpu->CP0_Cause & (1 << CP0Ca_DC)) {
1555 cpu_mips_stop_count(cpu);
1557 cpu_mips_start_count(cpu);
1561 /* Set/reset software interrupts */
1562 for (i = 0 ; i < 2 ; i++) {
1563 if ((old ^ cpu->CP0_Cause) & (1 << (CP0Ca_IP + i))) {
1564 cpu_mips_soft_irq(cpu, i, cpu->CP0_Cause & (1 << (CP0Ca_IP + i)));
1569 void helper_mtc0_cause(CPUMIPSState *env, target_ulong arg1)
1571 mtc0_cause(env, arg1);
1574 void helper_mttc0_cause(CPUMIPSState *env, target_ulong arg1)
1576 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1577 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1579 mtc0_cause(other, arg1);
1582 target_ulong helper_mftc0_epc(CPUMIPSState *env)
1584 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1585 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1587 return other->CP0_EPC;
1590 target_ulong helper_mftc0_ebase(CPUMIPSState *env)
1592 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1593 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1595 return other->CP0_EBase;
1598 void helper_mtc0_ebase(CPUMIPSState *env, target_ulong arg1)
1600 /* vectored interrupts not implemented */
1601 env->CP0_EBase = (env->CP0_EBase & ~0x3FFFF000) | (arg1 & 0x3FFFF000);
1604 void helper_mttc0_ebase(CPUMIPSState *env, target_ulong arg1)
1606 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1607 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1608 other->CP0_EBase = (other->CP0_EBase & ~0x3FFFF000) | (arg1 & 0x3FFFF000);
1611 target_ulong helper_mftc0_configx(CPUMIPSState *env, target_ulong idx)
1613 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1614 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1617 case 0: return other->CP0_Config0;
1618 case 1: return other->CP0_Config1;
1619 case 2: return other->CP0_Config2;
1620 case 3: return other->CP0_Config3;
1621 /* 4 and 5 are reserved. */
1622 case 6: return other->CP0_Config6;
1623 case 7: return other->CP0_Config7;
1630 void helper_mtc0_config0(CPUMIPSState *env, target_ulong arg1)
1632 env->CP0_Config0 = (env->CP0_Config0 & 0x81FFFFF8) | (arg1 & 0x00000007);
1635 void helper_mtc0_config2(CPUMIPSState *env, target_ulong arg1)
1637 /* tertiary/secondary caches not implemented */
1638 env->CP0_Config2 = (env->CP0_Config2 & 0x8FFF0FFF);
1641 void helper_mtc0_lladdr(CPUMIPSState *env, target_ulong arg1)
1643 target_long mask = env->CP0_LLAddr_rw_bitmask;
1644 arg1 = arg1 << env->CP0_LLAddr_shift;
1645 env->lladdr = (env->lladdr & ~mask) | (arg1 & mask);
1648 void helper_mtc0_watchlo(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1650 /* Watch exceptions for instructions, data loads, data stores
1652 env->CP0_WatchLo[sel] = (arg1 & ~0x7);
1655 void helper_mtc0_watchhi(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1657 env->CP0_WatchHi[sel] = (arg1 & 0x40FF0FF8);
1658 env->CP0_WatchHi[sel] &= ~(env->CP0_WatchHi[sel] & arg1 & 0x7);
1661 void helper_mtc0_xcontext(CPUMIPSState *env, target_ulong arg1)
1663 target_ulong mask = (1ULL << (env->SEGBITS - 7)) - 1;
1664 env->CP0_XContext = (env->CP0_XContext & mask) | (arg1 & ~mask);
1667 void helper_mtc0_framemask(CPUMIPSState *env, target_ulong arg1)
1669 env->CP0_Framemask = arg1; /* XXX */
1672 void helper_mtc0_debug(CPUMIPSState *env, target_ulong arg1)
1674 env->CP0_Debug = (env->CP0_Debug & 0x8C03FC1F) | (arg1 & 0x13300120);
1675 if (arg1 & (1 << CP0DB_DM))
1676 env->hflags |= MIPS_HFLAG_DM;
1678 env->hflags &= ~MIPS_HFLAG_DM;
1681 void helper_mttc0_debug(CPUMIPSState *env, target_ulong arg1)
1683 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1684 uint32_t val = arg1 & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt));
1685 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1687 /* XXX: Might be wrong, check with EJTAG spec. */
1688 if (other_tc == other->current_tc)
1689 other->active_tc.CP0_Debug_tcstatus = val;
1691 other->tcs[other_tc].CP0_Debug_tcstatus = val;
1692 other->CP0_Debug = (other->CP0_Debug &
1693 ((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) |
1694 (arg1 & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt)));
1697 void helper_mtc0_performance0(CPUMIPSState *env, target_ulong arg1)
1699 env->CP0_Performance0 = arg1 & 0x000007ff;
1702 void helper_mtc0_taglo(CPUMIPSState *env, target_ulong arg1)
1704 env->CP0_TagLo = arg1 & 0xFFFFFCF6;
1707 void helper_mtc0_datalo(CPUMIPSState *env, target_ulong arg1)
1709 env->CP0_DataLo = arg1; /* XXX */
1712 void helper_mtc0_taghi(CPUMIPSState *env, target_ulong arg1)
1714 env->CP0_TagHi = arg1; /* XXX */
1717 void helper_mtc0_datahi(CPUMIPSState *env, target_ulong arg1)
1719 env->CP0_DataHi = arg1; /* XXX */
1722 /* MIPS MT functions */
1723 target_ulong helper_mftgpr(CPUMIPSState *env, uint32_t sel)
1725 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1726 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1728 if (other_tc == other->current_tc)
1729 return other->active_tc.gpr[sel];
1731 return other->tcs[other_tc].gpr[sel];
1734 target_ulong helper_mftlo(CPUMIPSState *env, uint32_t sel)
1736 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1737 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1739 if (other_tc == other->current_tc)
1740 return other->active_tc.LO[sel];
1742 return other->tcs[other_tc].LO[sel];
1745 target_ulong helper_mfthi(CPUMIPSState *env, uint32_t sel)
1747 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1748 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1750 if (other_tc == other->current_tc)
1751 return other->active_tc.HI[sel];
1753 return other->tcs[other_tc].HI[sel];
1756 target_ulong helper_mftacx(CPUMIPSState *env, uint32_t sel)
1758 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1759 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1761 if (other_tc == other->current_tc)
1762 return other->active_tc.ACX[sel];
1764 return other->tcs[other_tc].ACX[sel];
1767 target_ulong helper_mftdsp(CPUMIPSState *env)
1769 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1770 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1772 if (other_tc == other->current_tc)
1773 return other->active_tc.DSPControl;
1775 return other->tcs[other_tc].DSPControl;
1778 void helper_mttgpr(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1780 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1781 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1783 if (other_tc == other->current_tc)
1784 other->active_tc.gpr[sel] = arg1;
1786 other->tcs[other_tc].gpr[sel] = arg1;
1789 void helper_mttlo(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1791 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1792 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1794 if (other_tc == other->current_tc)
1795 other->active_tc.LO[sel] = arg1;
1797 other->tcs[other_tc].LO[sel] = arg1;
1800 void helper_mtthi(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1802 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1803 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1805 if (other_tc == other->current_tc)
1806 other->active_tc.HI[sel] = arg1;
1808 other->tcs[other_tc].HI[sel] = arg1;
1811 void helper_mttacx(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1813 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1814 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1816 if (other_tc == other->current_tc)
1817 other->active_tc.ACX[sel] = arg1;
1819 other->tcs[other_tc].ACX[sel] = arg1;
1822 void helper_mttdsp(CPUMIPSState *env, target_ulong arg1)
1824 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1825 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1827 if (other_tc == other->current_tc)
1828 other->active_tc.DSPControl = arg1;
1830 other->tcs[other_tc].DSPControl = arg1;
1833 /* MIPS MT functions */
1834 target_ulong helper_dmt(void)
1840 target_ulong helper_emt(void)
1846 target_ulong helper_dvpe(CPUMIPSState *env)
1848 CPUMIPSState *other_cpu_env = first_cpu;
1849 target_ulong prev = env->mvp->CP0_MVPControl;
1852 /* Turn off all VPEs except the one executing the dvpe. */
1853 if (other_cpu_env != env) {
1854 MIPSCPU *other_cpu = mips_env_get_cpu(other_cpu_env);
1856 other_cpu_env->mvp->CP0_MVPControl &= ~(1 << CP0MVPCo_EVP);
1857 mips_vpe_sleep(other_cpu);
1859 other_cpu_env = other_cpu_env->next_cpu;
1860 } while (other_cpu_env);
1864 target_ulong helper_evpe(CPUMIPSState *env)
1866 CPUMIPSState *other_cpu_env = first_cpu;
1867 target_ulong prev = env->mvp->CP0_MVPControl;
1870 MIPSCPU *other_cpu = mips_env_get_cpu(other_cpu_env);
1872 if (other_cpu_env != env
1873 /* If the VPE is WFI, don't disturb its sleep. */
1874 && !mips_vpe_is_wfi(other_cpu)) {
1875 /* Enable the VPE. */
1876 other_cpu_env->mvp->CP0_MVPControl |= (1 << CP0MVPCo_EVP);
1877 mips_vpe_wake(other_cpu_env); /* And wake it up. */
1879 other_cpu_env = other_cpu_env->next_cpu;
1880 } while (other_cpu_env);
1883 #endif /* !CONFIG_USER_ONLY */
1885 void helper_fork(target_ulong arg1, target_ulong arg2)
1887 // arg1 = rt, arg2 = rs
1889 // TODO: store to TC register
1892 target_ulong helper_yield(CPUMIPSState *env, target_ulong arg)
1894 target_long arg1 = arg;
1897 /* No scheduling policy implemented. */
1899 if (env->CP0_VPEControl & (1 << CP0VPECo_YSI) &&
1900 env->active_tc.CP0_TCStatus & (1 << CP0TCSt_DT)) {
1901 env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
1902 env->CP0_VPEControl |= 4 << CP0VPECo_EXCPT;
1903 helper_raise_exception(env, EXCP_THREAD);
1906 } else if (arg1 == 0) {
1907 if (0 /* TODO: TC underflow */) {
1908 env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
1909 helper_raise_exception(env, EXCP_THREAD);
1911 // TODO: Deallocate TC
1913 } else if (arg1 > 0) {
1914 /* Yield qualifier inputs not implemented. */
1915 env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
1916 env->CP0_VPEControl |= 2 << CP0VPECo_EXCPT;
1917 helper_raise_exception(env, EXCP_THREAD);
1919 return env->CP0_YQMask;
1922 #ifndef CONFIG_USER_ONLY
1923 /* TLB management */
1924 static void cpu_mips_tlb_flush (CPUMIPSState *env, int flush_global)
1926 /* Flush qemu's TLB and discard all shadowed entries. */
1927 tlb_flush (env, flush_global);
1928 env->tlb->tlb_in_use = env->tlb->nb_tlb;
1931 static void r4k_mips_tlb_flush_extra (CPUMIPSState *env, int first)
1933 /* Discard entries from env->tlb[first] onwards. */
1934 while (env->tlb->tlb_in_use > first) {
1935 r4k_invalidate_tlb(env, --env->tlb->tlb_in_use, 0);
1939 static void r4k_fill_tlb(CPUMIPSState *env, int idx)
1943 /* XXX: detect conflicting TLBs and raise a MCHECK exception when needed */
1944 tlb = &env->tlb->mmu.r4k.tlb[idx];
1945 tlb->VPN = env->CP0_EntryHi & (TARGET_PAGE_MASK << 1);
1946 #if defined(TARGET_MIPS64)
1947 tlb->VPN &= env->SEGMask;
1949 tlb->ASID = env->CP0_EntryHi & 0xFF;
1950 tlb->PageMask = env->CP0_PageMask;
1951 tlb->G = env->CP0_EntryLo0 & env->CP0_EntryLo1 & 1;
1952 tlb->V0 = (env->CP0_EntryLo0 & 2) != 0;
1953 tlb->D0 = (env->CP0_EntryLo0 & 4) != 0;
1954 tlb->C0 = (env->CP0_EntryLo0 >> 3) & 0x7;
1955 tlb->PFN[0] = (env->CP0_EntryLo0 >> 6) << 12;
1956 tlb->V1 = (env->CP0_EntryLo1 & 2) != 0;
1957 tlb->D1 = (env->CP0_EntryLo1 & 4) != 0;
1958 tlb->C1 = (env->CP0_EntryLo1 >> 3) & 0x7;
1959 tlb->PFN[1] = (env->CP0_EntryLo1 >> 6) << 12;
1962 void r4k_helper_tlbwi(CPUMIPSState *env)
1966 idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb;
1968 /* Discard cached TLB entries. We could avoid doing this if the
1969 tlbwi is just upgrading access permissions on the current entry;
1970 that might be a further win. */
1971 r4k_mips_tlb_flush_extra (env, env->tlb->nb_tlb);
1973 r4k_invalidate_tlb(env, idx, 0);
1974 r4k_fill_tlb(env, idx);
1977 void r4k_helper_tlbwr(CPUMIPSState *env)
1979 int r = cpu_mips_get_random(env);
1981 r4k_invalidate_tlb(env, r, 1);
1982 r4k_fill_tlb(env, r);
1985 void r4k_helper_tlbp(CPUMIPSState *env)
1994 ASID = env->CP0_EntryHi & 0xFF;
1995 for (i = 0; i < env->tlb->nb_tlb; i++) {
1996 tlb = &env->tlb->mmu.r4k.tlb[i];
1997 /* 1k pages are not supported. */
1998 mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
1999 tag = env->CP0_EntryHi & ~mask;
2000 VPN = tlb->VPN & ~mask;
2001 /* Check ASID, virtual page number & size */
2002 if ((tlb->G == 1 || tlb->ASID == ASID) && VPN == tag) {
2008 if (i == env->tlb->nb_tlb) {
2009 /* No match. Discard any shadow entries, if any of them match. */
2010 for (i = env->tlb->nb_tlb; i < env->tlb->tlb_in_use; i++) {
2011 tlb = &env->tlb->mmu.r4k.tlb[i];
2012 /* 1k pages are not supported. */
2013 mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
2014 tag = env->CP0_EntryHi & ~mask;
2015 VPN = tlb->VPN & ~mask;
2016 /* Check ASID, virtual page number & size */
2017 if ((tlb->G == 1 || tlb->ASID == ASID) && VPN == tag) {
2018 r4k_mips_tlb_flush_extra (env, i);
2023 env->CP0_Index |= 0x80000000;
2027 void r4k_helper_tlbr(CPUMIPSState *env)
2033 ASID = env->CP0_EntryHi & 0xFF;
2034 idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb;
2035 tlb = &env->tlb->mmu.r4k.tlb[idx];
2037 /* If this will change the current ASID, flush qemu's TLB. */
2038 if (ASID != tlb->ASID)
2039 cpu_mips_tlb_flush (env, 1);
2041 r4k_mips_tlb_flush_extra(env, env->tlb->nb_tlb);
2043 env->CP0_EntryHi = tlb->VPN | tlb->ASID;
2044 env->CP0_PageMask = tlb->PageMask;
2045 env->CP0_EntryLo0 = tlb->G | (tlb->V0 << 1) | (tlb->D0 << 2) |
2046 (tlb->C0 << 3) | (tlb->PFN[0] >> 6);
2047 env->CP0_EntryLo1 = tlb->G | (tlb->V1 << 1) | (tlb->D1 << 2) |
2048 (tlb->C1 << 3) | (tlb->PFN[1] >> 6);
2051 void helper_tlbwi(CPUMIPSState *env)
2053 env->tlb->helper_tlbwi(env);
2056 void helper_tlbwr(CPUMIPSState *env)
2058 env->tlb->helper_tlbwr(env);
2061 void helper_tlbp(CPUMIPSState *env)
2063 env->tlb->helper_tlbp(env);
2066 void helper_tlbr(CPUMIPSState *env)
2068 env->tlb->helper_tlbr(env);
2072 target_ulong helper_di(CPUMIPSState *env)
2074 target_ulong t0 = env->CP0_Status;
2076 env->CP0_Status = t0 & ~(1 << CP0St_IE);
2080 target_ulong helper_ei(CPUMIPSState *env)
2082 target_ulong t0 = env->CP0_Status;
2084 env->CP0_Status = t0 | (1 << CP0St_IE);
2088 static void debug_pre_eret(CPUMIPSState *env)
2090 if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
2091 qemu_log("ERET: PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx,
2092 env->active_tc.PC, env->CP0_EPC);
2093 if (env->CP0_Status & (1 << CP0St_ERL))
2094 qemu_log(" ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
2095 if (env->hflags & MIPS_HFLAG_DM)
2096 qemu_log(" DEPC " TARGET_FMT_lx, env->CP0_DEPC);
2101 static void debug_post_eret(CPUMIPSState *env)
2103 if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
2104 qemu_log(" => PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx,
2105 env->active_tc.PC, env->CP0_EPC);
2106 if (env->CP0_Status & (1 << CP0St_ERL))
2107 qemu_log(" ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
2108 if (env->hflags & MIPS_HFLAG_DM)
2109 qemu_log(" DEPC " TARGET_FMT_lx, env->CP0_DEPC);
2110 switch (env->hflags & MIPS_HFLAG_KSU) {
2111 case MIPS_HFLAG_UM: qemu_log(", UM\n"); break;
2112 case MIPS_HFLAG_SM: qemu_log(", SM\n"); break;
2113 case MIPS_HFLAG_KM: qemu_log("\n"); break;
2114 default: cpu_abort(env, "Invalid MMU mode!\n"); break;
2119 static void set_pc(CPUMIPSState *env, target_ulong error_pc)
2121 env->active_tc.PC = error_pc & ~(target_ulong)1;
2123 env->hflags |= MIPS_HFLAG_M16;
2125 env->hflags &= ~(MIPS_HFLAG_M16);
2129 void helper_eret(CPUMIPSState *env)
2131 debug_pre_eret(env);
2132 if (env->CP0_Status & (1 << CP0St_ERL)) {
2133 set_pc(env, env->CP0_ErrorEPC);
2134 env->CP0_Status &= ~(1 << CP0St_ERL);
2136 set_pc(env, env->CP0_EPC);
2137 env->CP0_Status &= ~(1 << CP0St_EXL);
2139 compute_hflags(env);
2140 debug_post_eret(env);
2144 void helper_deret(CPUMIPSState *env)
2146 debug_pre_eret(env);
2147 set_pc(env, env->CP0_DEPC);
2149 env->hflags &= MIPS_HFLAG_DM;
2150 compute_hflags(env);
2151 debug_post_eret(env);
2154 #endif /* !CONFIG_USER_ONLY */
2156 target_ulong helper_rdhwr_cpunum(CPUMIPSState *env)
2158 if ((env->hflags & MIPS_HFLAG_CP0) ||
2159 (env->CP0_HWREna & (1 << 0)))
2160 return env->CP0_EBase & 0x3ff;
2162 helper_raise_exception(env, EXCP_RI);
2167 target_ulong helper_rdhwr_synci_step(CPUMIPSState *env)
2169 if ((env->hflags & MIPS_HFLAG_CP0) ||
2170 (env->CP0_HWREna & (1 << 1)))
2171 return env->SYNCI_Step;
2173 helper_raise_exception(env, EXCP_RI);
2178 target_ulong helper_rdhwr_cc(CPUMIPSState *env)
2180 if ((env->hflags & MIPS_HFLAG_CP0) ||
2181 (env->CP0_HWREna & (1 << 2)))
2182 return env->CP0_Count;
2184 helper_raise_exception(env, EXCP_RI);
2189 target_ulong helper_rdhwr_ccres(CPUMIPSState *env)
2191 if ((env->hflags & MIPS_HFLAG_CP0) ||
2192 (env->CP0_HWREna & (1 << 3)))
2195 helper_raise_exception(env, EXCP_RI);
2200 void helper_pmon(CPUMIPSState *env, int function)
2204 case 2: /* TODO: char inbyte(int waitflag); */
2205 if (env->active_tc.gpr[4] == 0)
2206 env->active_tc.gpr[2] = -1;
2208 case 11: /* TODO: char inbyte (void); */
2209 env->active_tc.gpr[2] = -1;
2213 printf("%c", (char)(env->active_tc.gpr[4] & 0xFF));
2219 unsigned char *fmt = (void *)(uintptr_t)env->active_tc.gpr[4];
2226 void helper_wait(CPUMIPSState *env)
2229 cpu_reset_interrupt(env, CPU_INTERRUPT_WAKE);
2230 helper_raise_exception(env, EXCP_HLT);
2233 #if !defined(CONFIG_USER_ONLY)
2235 static void QEMU_NORETURN do_unaligned_access(CPUMIPSState *env,
2236 target_ulong addr, int is_write,
2237 int is_user, uintptr_t retaddr);
2239 #define MMUSUFFIX _mmu
2240 #define ALIGNED_ONLY
2243 #include "softmmu_template.h"
2246 #include "softmmu_template.h"
2249 #include "softmmu_template.h"
2252 #include "softmmu_template.h"
2254 static void do_unaligned_access(CPUMIPSState *env, target_ulong addr,
2255 int is_write, int is_user, uintptr_t retaddr)
2257 env->CP0_BadVAddr = addr;
2258 do_raise_exception(env, (is_write == 1) ? EXCP_AdES : EXCP_AdEL, retaddr);
2261 void tlb_fill(CPUMIPSState *env, target_ulong addr, int is_write, int mmu_idx,
2266 ret = cpu_mips_handle_mmu_fault(env, addr, is_write, mmu_idx);
2268 do_raise_exception_err(env, env->exception_index,
2269 env->error_code, retaddr);
2273 void cpu_unassigned_access(CPUMIPSState *env, hwaddr addr,
2274 int is_write, int is_exec, int unused, int size)
2277 helper_raise_exception(env, EXCP_IBE);
2279 helper_raise_exception(env, EXCP_DBE);
2281 #endif /* !CONFIG_USER_ONLY */
2283 /* Complex FPU operations which may need stack space. */
2285 #define FLOAT_TWO32 make_float32(1 << 30)
2286 #define FLOAT_TWO64 make_float64(1ULL << 62)
2287 #define FP_TO_INT32_OVERFLOW 0x7fffffff
2288 #define FP_TO_INT64_OVERFLOW 0x7fffffffffffffffULL
2290 /* convert MIPS rounding mode in FCR31 to IEEE library */
2291 static unsigned int ieee_rm[] = {
2292 float_round_nearest_even,
2293 float_round_to_zero,
2298 #define RESTORE_ROUNDING_MODE \
2299 set_float_rounding_mode(ieee_rm[env->active_fpu.fcr31 & 3], &env->active_fpu.fp_status)
2301 #define RESTORE_FLUSH_MODE \
2302 set_flush_to_zero((env->active_fpu.fcr31 & (1 << 24)) != 0, &env->active_fpu.fp_status);
2304 target_ulong helper_cfc1(CPUMIPSState *env, uint32_t reg)
2310 arg1 = (int32_t)env->active_fpu.fcr0;
2313 arg1 = ((env->active_fpu.fcr31 >> 24) & 0xfe) | ((env->active_fpu.fcr31 >> 23) & 0x1);
2316 arg1 = env->active_fpu.fcr31 & 0x0003f07c;
2319 arg1 = (env->active_fpu.fcr31 & 0x00000f83) | ((env->active_fpu.fcr31 >> 22) & 0x4);
2322 arg1 = (int32_t)env->active_fpu.fcr31;
2329 void helper_ctc1(CPUMIPSState *env, target_ulong arg1, uint32_t reg)
2333 if (arg1 & 0xffffff00)
2335 env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0x017fffff) | ((arg1 & 0xfe) << 24) |
2336 ((arg1 & 0x1) << 23);
2339 if (arg1 & 0x007c0000)
2341 env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0xfffc0f83) | (arg1 & 0x0003f07c);
2344 if (arg1 & 0x007c0000)
2346 env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0xfefff07c) | (arg1 & 0x00000f83) |
2347 ((arg1 & 0x4) << 22);
2350 if (arg1 & 0x007c0000)
2352 env->active_fpu.fcr31 = arg1;
2357 /* set rounding mode */
2358 RESTORE_ROUNDING_MODE;
2359 /* set flush-to-zero mode */
2361 set_float_exception_flags(0, &env->active_fpu.fp_status);
2362 if ((GET_FP_ENABLE(env->active_fpu.fcr31) | 0x20) & GET_FP_CAUSE(env->active_fpu.fcr31))
2363 do_raise_exception(env, EXCP_FPE, GETPC());
2366 static inline int ieee_ex_to_mips(int xcpt)
2370 if (xcpt & float_flag_invalid) {
2373 if (xcpt & float_flag_overflow) {
2376 if (xcpt & float_flag_underflow) {
2377 ret |= FP_UNDERFLOW;
2379 if (xcpt & float_flag_divbyzero) {
2382 if (xcpt & float_flag_inexact) {
2389 static inline void update_fcr31(CPUMIPSState *env, uintptr_t pc)
2391 int tmp = ieee_ex_to_mips(get_float_exception_flags(&env->active_fpu.fp_status));
2393 SET_FP_CAUSE(env->active_fpu.fcr31, tmp);
2396 set_float_exception_flags(0, &env->active_fpu.fp_status);
2398 if (GET_FP_ENABLE(env->active_fpu.fcr31) & tmp) {
2399 do_raise_exception(env, EXCP_FPE, pc);
2401 UPDATE_FP_FLAGS(env->active_fpu.fcr31, tmp);
2407 Single precition routines have a "s" suffix, double precision a
2408 "d" suffix, 32bit integer "w", 64bit integer "l", paired single "ps",
2409 paired single lower "pl", paired single upper "pu". */
2411 /* unary operations, modifying fp status */
2412 uint64_t helper_float_sqrt_d(CPUMIPSState *env, uint64_t fdt0)
2414 fdt0 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
2415 update_fcr31(env, GETPC());
2419 uint32_t helper_float_sqrt_s(CPUMIPSState *env, uint32_t fst0)
2421 fst0 = float32_sqrt(fst0, &env->active_fpu.fp_status);
2422 update_fcr31(env, GETPC());
2426 uint64_t helper_float_cvtd_s(CPUMIPSState *env, uint32_t fst0)
2430 fdt2 = float32_to_float64(fst0, &env->active_fpu.fp_status);
2431 update_fcr31(env, GETPC());
2435 uint64_t helper_float_cvtd_w(CPUMIPSState *env, uint32_t wt0)
2439 fdt2 = int32_to_float64(wt0, &env->active_fpu.fp_status);
2440 update_fcr31(env, GETPC());
2444 uint64_t helper_float_cvtd_l(CPUMIPSState *env, uint64_t dt0)
2448 fdt2 = int64_to_float64(dt0, &env->active_fpu.fp_status);
2449 update_fcr31(env, GETPC());
2453 uint64_t helper_float_cvtl_d(CPUMIPSState *env, uint64_t fdt0)
2457 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2458 if (get_float_exception_flags(&env->active_fpu.fp_status)
2459 & (float_flag_invalid | float_flag_overflow)) {
2460 dt2 = FP_TO_INT64_OVERFLOW;
2462 update_fcr31(env, GETPC());
2466 uint64_t helper_float_cvtl_s(CPUMIPSState *env, uint32_t fst0)
2470 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2471 if (get_float_exception_flags(&env->active_fpu.fp_status)
2472 & (float_flag_invalid | float_flag_overflow)) {
2473 dt2 = FP_TO_INT64_OVERFLOW;
2475 update_fcr31(env, GETPC());
2479 uint64_t helper_float_cvtps_pw(CPUMIPSState *env, uint64_t dt0)
2484 fst2 = int32_to_float32(dt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2485 fsth2 = int32_to_float32(dt0 >> 32, &env->active_fpu.fp_status);
2486 update_fcr31(env, GETPC());
2487 return ((uint64_t)fsth2 << 32) | fst2;
2490 uint64_t helper_float_cvtpw_ps(CPUMIPSState *env, uint64_t fdt0)
2496 wt2 = float32_to_int32(fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2497 excp = get_float_exception_flags(&env->active_fpu.fp_status);
2498 if (excp & (float_flag_overflow | float_flag_invalid)) {
2499 wt2 = FP_TO_INT32_OVERFLOW;
2502 set_float_exception_flags(0, &env->active_fpu.fp_status);
2503 wth2 = float32_to_int32(fdt0 >> 32, &env->active_fpu.fp_status);
2504 excph = get_float_exception_flags(&env->active_fpu.fp_status);
2505 if (excph & (float_flag_overflow | float_flag_invalid)) {
2506 wth2 = FP_TO_INT32_OVERFLOW;
2509 set_float_exception_flags(excp | excph, &env->active_fpu.fp_status);
2510 update_fcr31(env, GETPC());
2512 return ((uint64_t)wth2 << 32) | wt2;
2515 uint32_t helper_float_cvts_d(CPUMIPSState *env, uint64_t fdt0)
2519 fst2 = float64_to_float32(fdt0, &env->active_fpu.fp_status);
2520 update_fcr31(env, GETPC());
2524 uint32_t helper_float_cvts_w(CPUMIPSState *env, uint32_t wt0)
2528 fst2 = int32_to_float32(wt0, &env->active_fpu.fp_status);
2529 update_fcr31(env, GETPC());
2533 uint32_t helper_float_cvts_l(CPUMIPSState *env, uint64_t dt0)
2537 fst2 = int64_to_float32(dt0, &env->active_fpu.fp_status);
2538 update_fcr31(env, GETPC());
2542 uint32_t helper_float_cvts_pl(CPUMIPSState *env, uint32_t wt0)
2547 update_fcr31(env, GETPC());
2551 uint32_t helper_float_cvts_pu(CPUMIPSState *env, uint32_t wth0)
2556 update_fcr31(env, GETPC());
2560 uint32_t helper_float_cvtw_s(CPUMIPSState *env, uint32_t fst0)
2564 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2565 update_fcr31(env, GETPC());
2566 if (get_float_exception_flags(&env->active_fpu.fp_status)
2567 & (float_flag_invalid | float_flag_overflow)) {
2568 wt2 = FP_TO_INT32_OVERFLOW;
2573 uint32_t helper_float_cvtw_d(CPUMIPSState *env, uint64_t fdt0)
2577 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2578 if (get_float_exception_flags(&env->active_fpu.fp_status)
2579 & (float_flag_invalid | float_flag_overflow)) {
2580 wt2 = FP_TO_INT32_OVERFLOW;
2582 update_fcr31(env, GETPC());
2586 uint64_t helper_float_roundl_d(CPUMIPSState *env, uint64_t fdt0)
2590 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2591 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2592 RESTORE_ROUNDING_MODE;
2593 if (get_float_exception_flags(&env->active_fpu.fp_status)
2594 & (float_flag_invalid | float_flag_overflow)) {
2595 dt2 = FP_TO_INT64_OVERFLOW;
2597 update_fcr31(env, GETPC());
2601 uint64_t helper_float_roundl_s(CPUMIPSState *env, uint32_t fst0)
2605 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2606 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2607 RESTORE_ROUNDING_MODE;
2608 if (get_float_exception_flags(&env->active_fpu.fp_status)
2609 & (float_flag_invalid | float_flag_overflow)) {
2610 dt2 = FP_TO_INT64_OVERFLOW;
2612 update_fcr31(env, GETPC());
2616 uint32_t helper_float_roundw_d(CPUMIPSState *env, uint64_t fdt0)
2620 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2621 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2622 RESTORE_ROUNDING_MODE;
2623 if (get_float_exception_flags(&env->active_fpu.fp_status)
2624 & (float_flag_invalid | float_flag_overflow)) {
2625 wt2 = FP_TO_INT32_OVERFLOW;
2627 update_fcr31(env, GETPC());
2631 uint32_t helper_float_roundw_s(CPUMIPSState *env, uint32_t fst0)
2635 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2636 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2637 RESTORE_ROUNDING_MODE;
2638 if (get_float_exception_flags(&env->active_fpu.fp_status)
2639 & (float_flag_invalid | float_flag_overflow)) {
2640 wt2 = FP_TO_INT32_OVERFLOW;
2642 update_fcr31(env, GETPC());
2646 uint64_t helper_float_truncl_d(CPUMIPSState *env, uint64_t fdt0)
2650 dt2 = float64_to_int64_round_to_zero(fdt0, &env->active_fpu.fp_status);
2651 if (get_float_exception_flags(&env->active_fpu.fp_status)
2652 & (float_flag_invalid | float_flag_overflow)) {
2653 dt2 = FP_TO_INT64_OVERFLOW;
2655 update_fcr31(env, GETPC());
2659 uint64_t helper_float_truncl_s(CPUMIPSState *env, uint32_t fst0)
2663 dt2 = float32_to_int64_round_to_zero(fst0, &env->active_fpu.fp_status);
2664 if (get_float_exception_flags(&env->active_fpu.fp_status)
2665 & (float_flag_invalid | float_flag_overflow)) {
2666 dt2 = FP_TO_INT64_OVERFLOW;
2668 update_fcr31(env, GETPC());
2672 uint32_t helper_float_truncw_d(CPUMIPSState *env, uint64_t fdt0)
2676 wt2 = float64_to_int32_round_to_zero(fdt0, &env->active_fpu.fp_status);
2677 if (get_float_exception_flags(&env->active_fpu.fp_status)
2678 & (float_flag_invalid | float_flag_overflow)) {
2679 wt2 = FP_TO_INT32_OVERFLOW;
2681 update_fcr31(env, GETPC());
2685 uint32_t helper_float_truncw_s(CPUMIPSState *env, uint32_t fst0)
2689 wt2 = float32_to_int32_round_to_zero(fst0, &env->active_fpu.fp_status);
2690 if (get_float_exception_flags(&env->active_fpu.fp_status)
2691 & (float_flag_invalid | float_flag_overflow)) {
2692 wt2 = FP_TO_INT32_OVERFLOW;
2694 update_fcr31(env, GETPC());
2698 uint64_t helper_float_ceill_d(CPUMIPSState *env, uint64_t fdt0)
2702 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2703 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2704 RESTORE_ROUNDING_MODE;
2705 if (get_float_exception_flags(&env->active_fpu.fp_status)
2706 & (float_flag_invalid | float_flag_overflow)) {
2707 dt2 = FP_TO_INT64_OVERFLOW;
2709 update_fcr31(env, GETPC());
2713 uint64_t helper_float_ceill_s(CPUMIPSState *env, uint32_t fst0)
2717 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2718 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2719 RESTORE_ROUNDING_MODE;
2720 if (get_float_exception_flags(&env->active_fpu.fp_status)
2721 & (float_flag_invalid | float_flag_overflow)) {
2722 dt2 = FP_TO_INT64_OVERFLOW;
2724 update_fcr31(env, GETPC());
2728 uint32_t helper_float_ceilw_d(CPUMIPSState *env, uint64_t fdt0)
2732 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2733 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2734 RESTORE_ROUNDING_MODE;
2735 if (get_float_exception_flags(&env->active_fpu.fp_status)
2736 & (float_flag_invalid | float_flag_overflow)) {
2737 wt2 = FP_TO_INT32_OVERFLOW;
2739 update_fcr31(env, GETPC());
2743 uint32_t helper_float_ceilw_s(CPUMIPSState *env, uint32_t fst0)
2747 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2748 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2749 RESTORE_ROUNDING_MODE;
2750 if (get_float_exception_flags(&env->active_fpu.fp_status)
2751 & (float_flag_invalid | float_flag_overflow)) {
2752 wt2 = FP_TO_INT32_OVERFLOW;
2754 update_fcr31(env, GETPC());
2758 uint64_t helper_float_floorl_d(CPUMIPSState *env, uint64_t fdt0)
2762 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2763 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2764 RESTORE_ROUNDING_MODE;
2765 if (get_float_exception_flags(&env->active_fpu.fp_status)
2766 & (float_flag_invalid | float_flag_overflow)) {
2767 dt2 = FP_TO_INT64_OVERFLOW;
2769 update_fcr31(env, GETPC());
2773 uint64_t helper_float_floorl_s(CPUMIPSState *env, uint32_t fst0)
2777 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2778 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2779 RESTORE_ROUNDING_MODE;
2780 if (get_float_exception_flags(&env->active_fpu.fp_status)
2781 & (float_flag_invalid | float_flag_overflow)) {
2782 dt2 = FP_TO_INT64_OVERFLOW;
2784 update_fcr31(env, GETPC());
2788 uint32_t helper_float_floorw_d(CPUMIPSState *env, uint64_t fdt0)
2792 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2793 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2794 RESTORE_ROUNDING_MODE;
2795 if (get_float_exception_flags(&env->active_fpu.fp_status)
2796 & (float_flag_invalid | float_flag_overflow)) {
2797 wt2 = FP_TO_INT32_OVERFLOW;
2799 update_fcr31(env, GETPC());
2803 uint32_t helper_float_floorw_s(CPUMIPSState *env, uint32_t fst0)
2807 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2808 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2809 RESTORE_ROUNDING_MODE;
2810 if (get_float_exception_flags(&env->active_fpu.fp_status)
2811 & (float_flag_invalid | float_flag_overflow)) {
2812 wt2 = FP_TO_INT32_OVERFLOW;
2814 update_fcr31(env, GETPC());
2818 /* unary operations, not modifying fp status */
2819 #define FLOAT_UNOP(name) \
2820 uint64_t helper_float_ ## name ## _d(uint64_t fdt0) \
2822 return float64_ ## name(fdt0); \
2824 uint32_t helper_float_ ## name ## _s(uint32_t fst0) \
2826 return float32_ ## name(fst0); \
2828 uint64_t helper_float_ ## name ## _ps(uint64_t fdt0) \
2833 wt0 = float32_ ## name(fdt0 & 0XFFFFFFFF); \
2834 wth0 = float32_ ## name(fdt0 >> 32); \
2835 return ((uint64_t)wth0 << 32) | wt0; \
2841 /* MIPS specific unary operations */
2842 uint64_t helper_float_recip_d(CPUMIPSState *env, uint64_t fdt0)
2846 fdt2 = float64_div(float64_one, fdt0, &env->active_fpu.fp_status);
2847 update_fcr31(env, GETPC());
2851 uint32_t helper_float_recip_s(CPUMIPSState *env, uint32_t fst0)
2855 fst2 = float32_div(float32_one, fst0, &env->active_fpu.fp_status);
2856 update_fcr31(env, GETPC());
2860 uint64_t helper_float_rsqrt_d(CPUMIPSState *env, uint64_t fdt0)
2864 fdt2 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
2865 fdt2 = float64_div(float64_one, fdt2, &env->active_fpu.fp_status);
2866 update_fcr31(env, GETPC());
2870 uint32_t helper_float_rsqrt_s(CPUMIPSState *env, uint32_t fst0)
2874 fst2 = float32_sqrt(fst0, &env->active_fpu.fp_status);
2875 fst2 = float32_div(float32_one, fst2, &env->active_fpu.fp_status);
2876 update_fcr31(env, GETPC());
2880 uint64_t helper_float_recip1_d(CPUMIPSState *env, uint64_t fdt0)
2884 fdt2 = float64_div(float64_one, fdt0, &env->active_fpu.fp_status);
2885 update_fcr31(env, GETPC());
2889 uint32_t helper_float_recip1_s(CPUMIPSState *env, uint32_t fst0)
2893 fst2 = float32_div(float32_one, fst0, &env->active_fpu.fp_status);
2894 update_fcr31(env, GETPC());
2898 uint64_t helper_float_recip1_ps(CPUMIPSState *env, uint64_t fdt0)
2903 fst2 = float32_div(float32_one, fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2904 fsth2 = float32_div(float32_one, fdt0 >> 32, &env->active_fpu.fp_status);
2905 update_fcr31(env, GETPC());
2906 return ((uint64_t)fsth2 << 32) | fst2;
2909 uint64_t helper_float_rsqrt1_d(CPUMIPSState *env, uint64_t fdt0)
2913 fdt2 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
2914 fdt2 = float64_div(float64_one, fdt2, &env->active_fpu.fp_status);
2915 update_fcr31(env, GETPC());
2919 uint32_t helper_float_rsqrt1_s(CPUMIPSState *env, uint32_t fst0)
2923 fst2 = float32_sqrt(fst0, &env->active_fpu.fp_status);
2924 fst2 = float32_div(float32_one, fst2, &env->active_fpu.fp_status);
2925 update_fcr31(env, GETPC());
2929 uint64_t helper_float_rsqrt1_ps(CPUMIPSState *env, uint64_t fdt0)
2934 fst2 = float32_sqrt(fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2935 fsth2 = float32_sqrt(fdt0 >> 32, &env->active_fpu.fp_status);
2936 fst2 = float32_div(float32_one, fst2, &env->active_fpu.fp_status);
2937 fsth2 = float32_div(float32_one, fsth2, &env->active_fpu.fp_status);
2938 update_fcr31(env, GETPC());
2939 return ((uint64_t)fsth2 << 32) | fst2;
2942 #define FLOAT_OP(name, p) void helper_float_##name##_##p(CPUMIPSState *env)
2944 /* binary operations */
2945 #define FLOAT_BINOP(name) \
2946 uint64_t helper_float_ ## name ## _d(CPUMIPSState *env, \
2947 uint64_t fdt0, uint64_t fdt1) \
2951 dt2 = float64_ ## name (fdt0, fdt1, &env->active_fpu.fp_status); \
2952 update_fcr31(env, GETPC()); \
2956 uint32_t helper_float_ ## name ## _s(CPUMIPSState *env, \
2957 uint32_t fst0, uint32_t fst1) \
2961 wt2 = float32_ ## name (fst0, fst1, &env->active_fpu.fp_status); \
2962 update_fcr31(env, GETPC()); \
2966 uint64_t helper_float_ ## name ## _ps(CPUMIPSState *env, \
2970 uint32_t fst0 = fdt0 & 0XFFFFFFFF; \
2971 uint32_t fsth0 = fdt0 >> 32; \
2972 uint32_t fst1 = fdt1 & 0XFFFFFFFF; \
2973 uint32_t fsth1 = fdt1 >> 32; \
2977 wt2 = float32_ ## name (fst0, fst1, &env->active_fpu.fp_status); \
2978 wth2 = float32_ ## name (fsth0, fsth1, &env->active_fpu.fp_status); \
2979 update_fcr31(env, GETPC()); \
2980 return ((uint64_t)wth2 << 32) | wt2; \
2989 /* FMA based operations */
2990 #define FLOAT_FMA(name, type) \
2991 uint64_t helper_float_ ## name ## _d(CPUMIPSState *env, \
2992 uint64_t fdt0, uint64_t fdt1, \
2995 fdt0 = float64_muladd(fdt0, fdt1, fdt2, type, \
2996 &env->active_fpu.fp_status); \
2997 update_fcr31(env, GETPC()); \
3001 uint32_t helper_float_ ## name ## _s(CPUMIPSState *env, \
3002 uint32_t fst0, uint32_t fst1, \
3005 fst0 = float32_muladd(fst0, fst1, fst2, type, \
3006 &env->active_fpu.fp_status); \
3007 update_fcr31(env, GETPC()); \
3011 uint64_t helper_float_ ## name ## _ps(CPUMIPSState *env, \
3012 uint64_t fdt0, uint64_t fdt1, \
3015 uint32_t fst0 = fdt0 & 0XFFFFFFFF; \
3016 uint32_t fsth0 = fdt0 >> 32; \
3017 uint32_t fst1 = fdt1 & 0XFFFFFFFF; \
3018 uint32_t fsth1 = fdt1 >> 32; \
3019 uint32_t fst2 = fdt2 & 0XFFFFFFFF; \
3020 uint32_t fsth2 = fdt2 >> 32; \
3022 fst0 = float32_muladd(fst0, fst1, fst2, type, \
3023 &env->active_fpu.fp_status); \
3024 fsth0 = float32_muladd(fsth0, fsth1, fsth2, type, \
3025 &env->active_fpu.fp_status); \
3026 update_fcr31(env, GETPC()); \
3027 return ((uint64_t)fsth0 << 32) | fst0; \
3030 FLOAT_FMA(msub, float_muladd_negate_c)
3031 FLOAT_FMA(nmadd, float_muladd_negate_result)
3032 FLOAT_FMA(nmsub, float_muladd_negate_result | float_muladd_negate_c)
3035 /* MIPS specific binary operations */
3036 uint64_t helper_float_recip2_d(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
3038 fdt2 = float64_mul(fdt0, fdt2, &env->active_fpu.fp_status);
3039 fdt2 = float64_chs(float64_sub(fdt2, float64_one, &env->active_fpu.fp_status));
3040 update_fcr31(env, GETPC());
3044 uint32_t helper_float_recip2_s(CPUMIPSState *env, uint32_t fst0, uint32_t fst2)
3046 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
3047 fst2 = float32_chs(float32_sub(fst2, float32_one, &env->active_fpu.fp_status));
3048 update_fcr31(env, GETPC());
3052 uint64_t helper_float_recip2_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
3054 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
3055 uint32_t fsth0 = fdt0 >> 32;
3056 uint32_t fst2 = fdt2 & 0XFFFFFFFF;
3057 uint32_t fsth2 = fdt2 >> 32;
3059 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
3060 fsth2 = float32_mul(fsth0, fsth2, &env->active_fpu.fp_status);
3061 fst2 = float32_chs(float32_sub(fst2, float32_one, &env->active_fpu.fp_status));
3062 fsth2 = float32_chs(float32_sub(fsth2, float32_one, &env->active_fpu.fp_status));
3063 update_fcr31(env, GETPC());
3064 return ((uint64_t)fsth2 << 32) | fst2;
3067 uint64_t helper_float_rsqrt2_d(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
3069 fdt2 = float64_mul(fdt0, fdt2, &env->active_fpu.fp_status);
3070 fdt2 = float64_sub(fdt2, float64_one, &env->active_fpu.fp_status);
3071 fdt2 = float64_chs(float64_div(fdt2, FLOAT_TWO64, &env->active_fpu.fp_status));
3072 update_fcr31(env, GETPC());
3076 uint32_t helper_float_rsqrt2_s(CPUMIPSState *env, uint32_t fst0, uint32_t fst2)
3078 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
3079 fst2 = float32_sub(fst2, float32_one, &env->active_fpu.fp_status);
3080 fst2 = float32_chs(float32_div(fst2, FLOAT_TWO32, &env->active_fpu.fp_status));
3081 update_fcr31(env, GETPC());
3085 uint64_t helper_float_rsqrt2_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
3087 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
3088 uint32_t fsth0 = fdt0 >> 32;
3089 uint32_t fst2 = fdt2 & 0XFFFFFFFF;
3090 uint32_t fsth2 = fdt2 >> 32;
3092 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
3093 fsth2 = float32_mul(fsth0, fsth2, &env->active_fpu.fp_status);
3094 fst2 = float32_sub(fst2, float32_one, &env->active_fpu.fp_status);
3095 fsth2 = float32_sub(fsth2, float32_one, &env->active_fpu.fp_status);
3096 fst2 = float32_chs(float32_div(fst2, FLOAT_TWO32, &env->active_fpu.fp_status));
3097 fsth2 = float32_chs(float32_div(fsth2, FLOAT_TWO32, &env->active_fpu.fp_status));
3098 update_fcr31(env, GETPC());
3099 return ((uint64_t)fsth2 << 32) | fst2;
3102 uint64_t helper_float_addr_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt1)
3104 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
3105 uint32_t fsth0 = fdt0 >> 32;
3106 uint32_t fst1 = fdt1 & 0XFFFFFFFF;
3107 uint32_t fsth1 = fdt1 >> 32;
3111 fst2 = float32_add (fst0, fsth0, &env->active_fpu.fp_status);
3112 fsth2 = float32_add (fst1, fsth1, &env->active_fpu.fp_status);
3113 update_fcr31(env, GETPC());
3114 return ((uint64_t)fsth2 << 32) | fst2;
3117 uint64_t helper_float_mulr_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt1)
3119 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
3120 uint32_t fsth0 = fdt0 >> 32;
3121 uint32_t fst1 = fdt1 & 0XFFFFFFFF;
3122 uint32_t fsth1 = fdt1 >> 32;
3126 fst2 = float32_mul (fst0, fsth0, &env->active_fpu.fp_status);
3127 fsth2 = float32_mul (fst1, fsth1, &env->active_fpu.fp_status);
3128 update_fcr31(env, GETPC());
3129 return ((uint64_t)fsth2 << 32) | fst2;
3132 /* compare operations */
3133 #define FOP_COND_D(op, cond) \
3134 void helper_cmp_d_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3135 uint64_t fdt1, int cc) \
3139 update_fcr31(env, GETPC()); \
3141 SET_FP_COND(cc, env->active_fpu); \
3143 CLEAR_FP_COND(cc, env->active_fpu); \
3145 void helper_cmpabs_d_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3146 uint64_t fdt1, int cc) \
3149 fdt0 = float64_abs(fdt0); \
3150 fdt1 = float64_abs(fdt1); \
3152 update_fcr31(env, GETPC()); \
3154 SET_FP_COND(cc, env->active_fpu); \
3156 CLEAR_FP_COND(cc, env->active_fpu); \
3159 /* NOTE: the comma operator will make "cond" to eval to false,
3160 * but float64_unordered_quiet() is still called. */
3161 FOP_COND_D(f, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status), 0))
3162 FOP_COND_D(un, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status))
3163 FOP_COND_D(eq, float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3164 FOP_COND_D(ueq, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status) || float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3165 FOP_COND_D(olt, float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3166 FOP_COND_D(ult, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status) || float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3167 FOP_COND_D(ole, float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3168 FOP_COND_D(ule, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status) || float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3169 /* NOTE: the comma operator will make "cond" to eval to false,
3170 * but float64_unordered() is still called. */
3171 FOP_COND_D(sf, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status), 0))
3172 FOP_COND_D(ngle,float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status))
3173 FOP_COND_D(seq, float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
3174 FOP_COND_D(ngl, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status) || float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
3175 FOP_COND_D(lt, float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
3176 FOP_COND_D(nge, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status) || float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
3177 FOP_COND_D(le, float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
3178 FOP_COND_D(ngt, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status) || float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
3180 #define FOP_COND_S(op, cond) \
3181 void helper_cmp_s_ ## op(CPUMIPSState *env, uint32_t fst0, \
3182 uint32_t fst1, int cc) \
3186 update_fcr31(env, GETPC()); \
3188 SET_FP_COND(cc, env->active_fpu); \
3190 CLEAR_FP_COND(cc, env->active_fpu); \
3192 void helper_cmpabs_s_ ## op(CPUMIPSState *env, uint32_t fst0, \
3193 uint32_t fst1, int cc) \
3196 fst0 = float32_abs(fst0); \
3197 fst1 = float32_abs(fst1); \
3199 update_fcr31(env, GETPC()); \
3201 SET_FP_COND(cc, env->active_fpu); \
3203 CLEAR_FP_COND(cc, env->active_fpu); \
3206 /* NOTE: the comma operator will make "cond" to eval to false,
3207 * but float32_unordered_quiet() is still called. */
3208 FOP_COND_S(f, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status), 0))
3209 FOP_COND_S(un, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status))
3210 FOP_COND_S(eq, float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status))
3211 FOP_COND_S(ueq, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status))
3212 FOP_COND_S(olt, float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status))
3213 FOP_COND_S(ult, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status))
3214 FOP_COND_S(ole, float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status))
3215 FOP_COND_S(ule, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status))
3216 /* NOTE: the comma operator will make "cond" to eval to false,
3217 * but float32_unordered() is still called. */
3218 FOP_COND_S(sf, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status), 0))
3219 FOP_COND_S(ngle,float32_unordered(fst1, fst0, &env->active_fpu.fp_status))
3220 FOP_COND_S(seq, float32_eq(fst0, fst1, &env->active_fpu.fp_status))
3221 FOP_COND_S(ngl, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_eq(fst0, fst1, &env->active_fpu.fp_status))
3222 FOP_COND_S(lt, float32_lt(fst0, fst1, &env->active_fpu.fp_status))
3223 FOP_COND_S(nge, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_lt(fst0, fst1, &env->active_fpu.fp_status))
3224 FOP_COND_S(le, float32_le(fst0, fst1, &env->active_fpu.fp_status))
3225 FOP_COND_S(ngt, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_le(fst0, fst1, &env->active_fpu.fp_status))
3227 #define FOP_COND_PS(op, condl, condh) \
3228 void helper_cmp_ps_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3229 uint64_t fdt1, int cc) \
3231 uint32_t fst0, fsth0, fst1, fsth1; \
3233 fst0 = fdt0 & 0XFFFFFFFF; \
3234 fsth0 = fdt0 >> 32; \
3235 fst1 = fdt1 & 0XFFFFFFFF; \
3236 fsth1 = fdt1 >> 32; \
3239 update_fcr31(env, GETPC()); \
3241 SET_FP_COND(cc, env->active_fpu); \
3243 CLEAR_FP_COND(cc, env->active_fpu); \
3245 SET_FP_COND(cc + 1, env->active_fpu); \
3247 CLEAR_FP_COND(cc + 1, env->active_fpu); \
3249 void helper_cmpabs_ps_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3250 uint64_t fdt1, int cc) \
3252 uint32_t fst0, fsth0, fst1, fsth1; \
3254 fst0 = float32_abs(fdt0 & 0XFFFFFFFF); \
3255 fsth0 = float32_abs(fdt0 >> 32); \
3256 fst1 = float32_abs(fdt1 & 0XFFFFFFFF); \
3257 fsth1 = float32_abs(fdt1 >> 32); \
3260 update_fcr31(env, GETPC()); \
3262 SET_FP_COND(cc, env->active_fpu); \
3264 CLEAR_FP_COND(cc, env->active_fpu); \
3266 SET_FP_COND(cc + 1, env->active_fpu); \
3268 CLEAR_FP_COND(cc + 1, env->active_fpu); \
3271 /* NOTE: the comma operator will make "cond" to eval to false,
3272 * but float32_unordered_quiet() is still called. */
3273 FOP_COND_PS(f, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status), 0),
3274 (float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status), 0))
3275 FOP_COND_PS(un, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status),
3276 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status))
3277 FOP_COND_PS(eq, float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status),
3278 float32_eq_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3279 FOP_COND_PS(ueq, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status),
3280 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status) || float32_eq_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3281 FOP_COND_PS(olt, float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status),
3282 float32_lt_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3283 FOP_COND_PS(ult, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status),
3284 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status) || float32_lt_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3285 FOP_COND_PS(ole, float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status),
3286 float32_le_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3287 FOP_COND_PS(ule, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status),
3288 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status) || float32_le_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3289 /* NOTE: the comma operator will make "cond" to eval to false,
3290 * but float32_unordered() is still called. */
3291 FOP_COND_PS(sf, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status), 0),
3292 (float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status), 0))
3293 FOP_COND_PS(ngle,float32_unordered(fst1, fst0, &env->active_fpu.fp_status),
3294 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status))
3295 FOP_COND_PS(seq, float32_eq(fst0, fst1, &env->active_fpu.fp_status),
3296 float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
3297 FOP_COND_PS(ngl, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_eq(fst0, fst1, &env->active_fpu.fp_status),
3298 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status) || float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
3299 FOP_COND_PS(lt, float32_lt(fst0, fst1, &env->active_fpu.fp_status),
3300 float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
3301 FOP_COND_PS(nge, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_lt(fst0, fst1, &env->active_fpu.fp_status),
3302 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status) || float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
3303 FOP_COND_PS(le, float32_le(fst0, fst1, &env->active_fpu.fp_status),
3304 float32_le(fsth0, fsth1, &env->active_fpu.fp_status))
3305 FOP_COND_PS(ngt, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_le(fst0, fst1, &env->active_fpu.fp_status),
3306 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status) || float32_le(fsth0, fsth1, &env->active_fpu.fp_status))