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 "qemu/host-utils.h"
22 #include "exec/helper-proto.h"
23 #include "exec/cpu_ldst.h"
24 #include "sysemu/kvm.h"
26 #ifndef CONFIG_USER_ONLY
27 static inline void cpu_mips_tlb_flush (CPUMIPSState *env, int flush_global);
30 /*****************************************************************************/
31 /* Exceptions processing helpers */
33 static inline void QEMU_NORETURN do_raise_exception_err(CPUMIPSState *env,
38 CPUState *cs = CPU(mips_env_get_cpu(env));
40 if (exception < EXCP_SC) {
41 qemu_log("%s: %d %d\n", __func__, exception, error_code);
43 cs->exception_index = exception;
44 env->error_code = error_code;
47 /* now we have a real cpu fault */
48 cpu_restore_state(cs, pc);
54 static inline void QEMU_NORETURN do_raise_exception(CPUMIPSState *env,
58 do_raise_exception_err(env, exception, 0, pc);
61 void helper_raise_exception_err(CPUMIPSState *env, uint32_t exception,
64 do_raise_exception_err(env, exception, error_code, 0);
67 void helper_raise_exception(CPUMIPSState *env, uint32_t exception)
69 do_raise_exception(env, exception, 0);
72 #if defined(CONFIG_USER_ONLY)
73 #define HELPER_LD(name, insn, type) \
74 static inline type do_##name(CPUMIPSState *env, target_ulong addr, \
77 return (type) insn##_raw(addr); \
80 #define HELPER_LD(name, insn, type) \
81 static inline type do_##name(CPUMIPSState *env, target_ulong addr, \
86 case 0: return (type) cpu_##insn##_kernel(env, addr); break; \
87 case 1: return (type) cpu_##insn##_super(env, addr); break; \
89 case 2: return (type) cpu_##insn##_user(env, addr); break; \
93 HELPER_LD(lbu, ldub, uint8_t)
94 HELPER_LD(lhu, lduw, uint16_t)
95 HELPER_LD(lw, ldl, int32_t)
96 HELPER_LD(ld, ldq, int64_t)
99 #if defined(CONFIG_USER_ONLY)
100 #define HELPER_ST(name, insn, type) \
101 static inline void do_##name(CPUMIPSState *env, target_ulong addr, \
102 type val, int mem_idx) \
104 insn##_raw(addr, val); \
107 #define HELPER_ST(name, insn, type) \
108 static inline void do_##name(CPUMIPSState *env, target_ulong addr, \
109 type val, int mem_idx) \
113 case 0: cpu_##insn##_kernel(env, addr, val); break; \
114 case 1: cpu_##insn##_super(env, addr, val); break; \
116 case 2: cpu_##insn##_user(env, addr, val); break; \
120 HELPER_ST(sb, stb, uint8_t)
121 HELPER_ST(sh, stw, uint16_t)
122 HELPER_ST(sw, stl, uint32_t)
123 HELPER_ST(sd, stq, uint64_t)
126 target_ulong helper_clo (target_ulong arg1)
131 target_ulong helper_clz (target_ulong arg1)
136 #if defined(TARGET_MIPS64)
137 target_ulong helper_dclo (target_ulong arg1)
142 target_ulong helper_dclz (target_ulong arg1)
146 #endif /* TARGET_MIPS64 */
148 /* 64 bits arithmetic for 32 bits hosts */
149 static inline uint64_t get_HILO(CPUMIPSState *env)
151 return ((uint64_t)(env->active_tc.HI[0]) << 32) | (uint32_t)env->active_tc.LO[0];
154 static inline target_ulong set_HIT0_LO(CPUMIPSState *env, uint64_t HILO)
157 env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF);
158 tmp = env->active_tc.HI[0] = (int32_t)(HILO >> 32);
162 static inline target_ulong set_HI_LOT0(CPUMIPSState *env, uint64_t HILO)
164 target_ulong tmp = env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF);
165 env->active_tc.HI[0] = (int32_t)(HILO >> 32);
169 /* Multiplication variants of the vr54xx. */
170 target_ulong helper_muls(CPUMIPSState *env, target_ulong arg1,
173 return set_HI_LOT0(env, 0 - ((int64_t)(int32_t)arg1 *
174 (int64_t)(int32_t)arg2));
177 target_ulong helper_mulsu(CPUMIPSState *env, target_ulong arg1,
180 return set_HI_LOT0(env, 0 - (uint64_t)(uint32_t)arg1 *
181 (uint64_t)(uint32_t)arg2);
184 target_ulong helper_macc(CPUMIPSState *env, target_ulong arg1,
187 return set_HI_LOT0(env, (int64_t)get_HILO(env) + (int64_t)(int32_t)arg1 *
188 (int64_t)(int32_t)arg2);
191 target_ulong helper_macchi(CPUMIPSState *env, target_ulong arg1,
194 return set_HIT0_LO(env, (int64_t)get_HILO(env) + (int64_t)(int32_t)arg1 *
195 (int64_t)(int32_t)arg2);
198 target_ulong helper_maccu(CPUMIPSState *env, target_ulong arg1,
201 return set_HI_LOT0(env, (uint64_t)get_HILO(env) +
202 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
205 target_ulong helper_macchiu(CPUMIPSState *env, target_ulong arg1,
208 return set_HIT0_LO(env, (uint64_t)get_HILO(env) +
209 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
212 target_ulong helper_msac(CPUMIPSState *env, target_ulong arg1,
215 return set_HI_LOT0(env, (int64_t)get_HILO(env) - (int64_t)(int32_t)arg1 *
216 (int64_t)(int32_t)arg2);
219 target_ulong helper_msachi(CPUMIPSState *env, target_ulong arg1,
222 return set_HIT0_LO(env, (int64_t)get_HILO(env) - (int64_t)(int32_t)arg1 *
223 (int64_t)(int32_t)arg2);
226 target_ulong helper_msacu(CPUMIPSState *env, target_ulong arg1,
229 return set_HI_LOT0(env, (uint64_t)get_HILO(env) -
230 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
233 target_ulong helper_msachiu(CPUMIPSState *env, target_ulong arg1,
236 return set_HIT0_LO(env, (uint64_t)get_HILO(env) -
237 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
240 target_ulong helper_mulhi(CPUMIPSState *env, target_ulong arg1,
243 return set_HIT0_LO(env, (int64_t)(int32_t)arg1 * (int64_t)(int32_t)arg2);
246 target_ulong helper_mulhiu(CPUMIPSState *env, target_ulong arg1,
249 return set_HIT0_LO(env, (uint64_t)(uint32_t)arg1 *
250 (uint64_t)(uint32_t)arg2);
253 target_ulong helper_mulshi(CPUMIPSState *env, target_ulong arg1,
256 return set_HIT0_LO(env, 0 - (int64_t)(int32_t)arg1 *
257 (int64_t)(int32_t)arg2);
260 target_ulong helper_mulshiu(CPUMIPSState *env, target_ulong arg1,
263 return set_HIT0_LO(env, 0 - (uint64_t)(uint32_t)arg1 *
264 (uint64_t)(uint32_t)arg2);
267 static inline target_ulong bitswap(target_ulong v)
269 v = ((v >> 1) & (target_ulong)0x5555555555555555ULL) |
270 ((v & (target_ulong)0x5555555555555555ULL) << 1);
271 v = ((v >> 2) & (target_ulong)0x3333333333333333ULL) |
272 ((v & (target_ulong)0x3333333333333333ULL) << 2);
273 v = ((v >> 4) & (target_ulong)0x0F0F0F0F0F0F0F0FULL) |
274 ((v & (target_ulong)0x0F0F0F0F0F0F0F0FULL) << 4);
279 target_ulong helper_dbitswap(target_ulong rt)
285 target_ulong helper_bitswap(target_ulong rt)
287 return (int32_t)bitswap(rt);
290 #ifndef CONFIG_USER_ONLY
292 static inline hwaddr do_translate_address(CPUMIPSState *env,
293 target_ulong address,
298 lladdr = cpu_mips_translate_address(env, address, rw);
300 if (lladdr == -1LL) {
301 cpu_loop_exit(CPU(mips_env_get_cpu(env)));
307 #define HELPER_LD_ATOMIC(name, insn) \
308 target_ulong helper_##name(CPUMIPSState *env, target_ulong arg, int mem_idx) \
310 env->lladdr = do_translate_address(env, arg, 0); \
311 env->llval = do_##insn(env, arg, mem_idx); \
314 HELPER_LD_ATOMIC(ll, lw)
316 HELPER_LD_ATOMIC(lld, ld)
318 #undef HELPER_LD_ATOMIC
320 #define HELPER_ST_ATOMIC(name, ld_insn, st_insn, almask) \
321 target_ulong helper_##name(CPUMIPSState *env, target_ulong arg1, \
322 target_ulong arg2, int mem_idx) \
326 if (arg2 & almask) { \
327 env->CP0_BadVAddr = arg2; \
328 helper_raise_exception(env, EXCP_AdES); \
330 if (do_translate_address(env, arg2, 1) == env->lladdr) { \
331 tmp = do_##ld_insn(env, arg2, mem_idx); \
332 if (tmp == env->llval) { \
333 do_##st_insn(env, arg2, arg1, mem_idx); \
339 HELPER_ST_ATOMIC(sc, lw, sw, 0x3)
341 HELPER_ST_ATOMIC(scd, ld, sd, 0x7)
343 #undef HELPER_ST_ATOMIC
346 #ifdef TARGET_WORDS_BIGENDIAN
347 #define GET_LMASK(v) ((v) & 3)
348 #define GET_OFFSET(addr, offset) (addr + (offset))
350 #define GET_LMASK(v) (((v) & 3) ^ 3)
351 #define GET_OFFSET(addr, offset) (addr - (offset))
354 void helper_swl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
357 do_sb(env, arg2, (uint8_t)(arg1 >> 24), mem_idx);
359 if (GET_LMASK(arg2) <= 2)
360 do_sb(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 16), mem_idx);
362 if (GET_LMASK(arg2) <= 1)
363 do_sb(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 8), mem_idx);
365 if (GET_LMASK(arg2) == 0)
366 do_sb(env, GET_OFFSET(arg2, 3), (uint8_t)arg1, mem_idx);
369 void helper_swr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
372 do_sb(env, arg2, (uint8_t)arg1, mem_idx);
374 if (GET_LMASK(arg2) >= 1)
375 do_sb(env, GET_OFFSET(arg2, -1), (uint8_t)(arg1 >> 8), mem_idx);
377 if (GET_LMASK(arg2) >= 2)
378 do_sb(env, GET_OFFSET(arg2, -2), (uint8_t)(arg1 >> 16), mem_idx);
380 if (GET_LMASK(arg2) == 3)
381 do_sb(env, GET_OFFSET(arg2, -3), (uint8_t)(arg1 >> 24), mem_idx);
384 #if defined(TARGET_MIPS64)
385 /* "half" load and stores. We must do the memory access inline,
386 or fault handling won't work. */
388 #ifdef TARGET_WORDS_BIGENDIAN
389 #define GET_LMASK64(v) ((v) & 7)
391 #define GET_LMASK64(v) (((v) & 7) ^ 7)
394 void helper_sdl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
397 do_sb(env, arg2, (uint8_t)(arg1 >> 56), mem_idx);
399 if (GET_LMASK64(arg2) <= 6)
400 do_sb(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 48), mem_idx);
402 if (GET_LMASK64(arg2) <= 5)
403 do_sb(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 40), mem_idx);
405 if (GET_LMASK64(arg2) <= 4)
406 do_sb(env, GET_OFFSET(arg2, 3), (uint8_t)(arg1 >> 32), mem_idx);
408 if (GET_LMASK64(arg2) <= 3)
409 do_sb(env, GET_OFFSET(arg2, 4), (uint8_t)(arg1 >> 24), mem_idx);
411 if (GET_LMASK64(arg2) <= 2)
412 do_sb(env, GET_OFFSET(arg2, 5), (uint8_t)(arg1 >> 16), mem_idx);
414 if (GET_LMASK64(arg2) <= 1)
415 do_sb(env, GET_OFFSET(arg2, 6), (uint8_t)(arg1 >> 8), mem_idx);
417 if (GET_LMASK64(arg2) <= 0)
418 do_sb(env, GET_OFFSET(arg2, 7), (uint8_t)arg1, mem_idx);
421 void helper_sdr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
424 do_sb(env, arg2, (uint8_t)arg1, mem_idx);
426 if (GET_LMASK64(arg2) >= 1)
427 do_sb(env, GET_OFFSET(arg2, -1), (uint8_t)(arg1 >> 8), mem_idx);
429 if (GET_LMASK64(arg2) >= 2)
430 do_sb(env, GET_OFFSET(arg2, -2), (uint8_t)(arg1 >> 16), mem_idx);
432 if (GET_LMASK64(arg2) >= 3)
433 do_sb(env, GET_OFFSET(arg2, -3), (uint8_t)(arg1 >> 24), mem_idx);
435 if (GET_LMASK64(arg2) >= 4)
436 do_sb(env, GET_OFFSET(arg2, -4), (uint8_t)(arg1 >> 32), mem_idx);
438 if (GET_LMASK64(arg2) >= 5)
439 do_sb(env, GET_OFFSET(arg2, -5), (uint8_t)(arg1 >> 40), mem_idx);
441 if (GET_LMASK64(arg2) >= 6)
442 do_sb(env, GET_OFFSET(arg2, -6), (uint8_t)(arg1 >> 48), mem_idx);
444 if (GET_LMASK64(arg2) == 7)
445 do_sb(env, GET_OFFSET(arg2, -7), (uint8_t)(arg1 >> 56), mem_idx);
447 #endif /* TARGET_MIPS64 */
449 static const int multiple_regs[] = { 16, 17, 18, 19, 20, 21, 22, 23, 30 };
451 void helper_lwm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
454 target_ulong base_reglist = reglist & 0xf;
455 target_ulong do_r31 = reglist & 0x10;
457 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
460 for (i = 0; i < base_reglist; i++) {
461 env->active_tc.gpr[multiple_regs[i]] =
462 (target_long)do_lw(env, addr, mem_idx);
468 env->active_tc.gpr[31] = (target_long)do_lw(env, addr, mem_idx);
472 void helper_swm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
475 target_ulong base_reglist = reglist & 0xf;
476 target_ulong do_r31 = reglist & 0x10;
478 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
481 for (i = 0; i < base_reglist; i++) {
482 do_sw(env, addr, env->active_tc.gpr[multiple_regs[i]], mem_idx);
488 do_sw(env, addr, env->active_tc.gpr[31], mem_idx);
492 #if defined(TARGET_MIPS64)
493 void helper_ldm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
496 target_ulong base_reglist = reglist & 0xf;
497 target_ulong do_r31 = reglist & 0x10;
499 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
502 for (i = 0; i < base_reglist; i++) {
503 env->active_tc.gpr[multiple_regs[i]] = do_ld(env, addr, mem_idx);
509 env->active_tc.gpr[31] = do_ld(env, addr, mem_idx);
513 void helper_sdm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
516 target_ulong base_reglist = reglist & 0xf;
517 target_ulong do_r31 = reglist & 0x10;
519 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
522 for (i = 0; i < base_reglist; i++) {
523 do_sd(env, addr, env->active_tc.gpr[multiple_regs[i]], mem_idx);
529 do_sd(env, addr, env->active_tc.gpr[31], mem_idx);
534 #ifndef CONFIG_USER_ONLY
536 static bool mips_vpe_is_wfi(MIPSCPU *c)
538 CPUState *cpu = CPU(c);
539 CPUMIPSState *env = &c->env;
541 /* If the VPE is halted but otherwise active, it means it's waiting for
543 return cpu->halted && mips_vpe_active(env);
546 static inline void mips_vpe_wake(MIPSCPU *c)
548 /* Dont set ->halted = 0 directly, let it be done via cpu_has_work
549 because there might be other conditions that state that c should
551 cpu_interrupt(CPU(c), CPU_INTERRUPT_WAKE);
554 static inline void mips_vpe_sleep(MIPSCPU *cpu)
556 CPUState *cs = CPU(cpu);
558 /* The VPE was shut off, really go to bed.
559 Reset any old _WAKE requests. */
561 cpu_reset_interrupt(cs, CPU_INTERRUPT_WAKE);
564 static inline void mips_tc_wake(MIPSCPU *cpu, int tc)
566 CPUMIPSState *c = &cpu->env;
568 /* FIXME: TC reschedule. */
569 if (mips_vpe_active(c) && !mips_vpe_is_wfi(cpu)) {
574 static inline void mips_tc_sleep(MIPSCPU *cpu, int tc)
576 CPUMIPSState *c = &cpu->env;
578 /* FIXME: TC reschedule. */
579 if (!mips_vpe_active(c)) {
586 * @env: CPU from which mapping is performed.
587 * @tc: Should point to an int with the value of the global TC index.
589 * This function will transform @tc into a local index within the
590 * returned #CPUMIPSState.
592 /* FIXME: This code assumes that all VPEs have the same number of TCs,
593 which depends on runtime setup. Can probably be fixed by
594 walking the list of CPUMIPSStates. */
595 static CPUMIPSState *mips_cpu_map_tc(CPUMIPSState *env, int *tc)
603 if (!(env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP))) {
604 /* Not allowed to address other CPUs. */
605 *tc = env->current_tc;
609 cs = CPU(mips_env_get_cpu(env));
610 vpe_idx = tc_idx / cs->nr_threads;
611 *tc = tc_idx % cs->nr_threads;
612 other_cs = qemu_get_cpu(vpe_idx);
613 if (other_cs == NULL) {
616 cpu = MIPS_CPU(other_cs);
620 /* The per VPE CP0_Status register shares some fields with the per TC
621 CP0_TCStatus registers. These fields are wired to the same registers,
622 so changes to either of them should be reflected on both registers.
624 Also, EntryHi shares the bottom 8 bit ASID with TCStauts.
626 These helper call synchronizes the regs for a given cpu. */
628 /* Called for updates to CP0_Status. */
629 static void sync_c0_status(CPUMIPSState *env, CPUMIPSState *cpu, int tc)
631 int32_t tcstatus, *tcst;
632 uint32_t v = cpu->CP0_Status;
633 uint32_t cu, mx, asid, ksu;
634 uint32_t mask = ((1 << CP0TCSt_TCU3)
635 | (1 << CP0TCSt_TCU2)
636 | (1 << CP0TCSt_TCU1)
637 | (1 << CP0TCSt_TCU0)
639 | (3 << CP0TCSt_TKSU)
640 | (0xff << CP0TCSt_TASID));
642 cu = (v >> CP0St_CU0) & 0xf;
643 mx = (v >> CP0St_MX) & 0x1;
644 ksu = (v >> CP0St_KSU) & 0x3;
645 asid = env->CP0_EntryHi & 0xff;
647 tcstatus = cu << CP0TCSt_TCU0;
648 tcstatus |= mx << CP0TCSt_TMX;
649 tcstatus |= ksu << CP0TCSt_TKSU;
652 if (tc == cpu->current_tc) {
653 tcst = &cpu->active_tc.CP0_TCStatus;
655 tcst = &cpu->tcs[tc].CP0_TCStatus;
663 /* Called for updates to CP0_TCStatus. */
664 static void sync_c0_tcstatus(CPUMIPSState *cpu, int tc,
668 uint32_t tcu, tmx, tasid, tksu;
669 uint32_t mask = ((1U << CP0St_CU3)
676 tcu = (v >> CP0TCSt_TCU0) & 0xf;
677 tmx = (v >> CP0TCSt_TMX) & 0x1;
679 tksu = (v >> CP0TCSt_TKSU) & 0x3;
681 status = tcu << CP0St_CU0;
682 status |= tmx << CP0St_MX;
683 status |= tksu << CP0St_KSU;
685 cpu->CP0_Status &= ~mask;
686 cpu->CP0_Status |= status;
688 /* Sync the TASID with EntryHi. */
689 cpu->CP0_EntryHi &= ~0xff;
690 cpu->CP0_EntryHi = tasid;
695 /* Called for updates to CP0_EntryHi. */
696 static void sync_c0_entryhi(CPUMIPSState *cpu, int tc)
699 uint32_t asid, v = cpu->CP0_EntryHi;
703 if (tc == cpu->current_tc) {
704 tcst = &cpu->active_tc.CP0_TCStatus;
706 tcst = &cpu->tcs[tc].CP0_TCStatus;
714 target_ulong helper_mfc0_mvpcontrol(CPUMIPSState *env)
716 return env->mvp->CP0_MVPControl;
719 target_ulong helper_mfc0_mvpconf0(CPUMIPSState *env)
721 return env->mvp->CP0_MVPConf0;
724 target_ulong helper_mfc0_mvpconf1(CPUMIPSState *env)
726 return env->mvp->CP0_MVPConf1;
729 target_ulong helper_mfc0_random(CPUMIPSState *env)
731 return (int32_t)cpu_mips_get_random(env);
734 target_ulong helper_mfc0_tcstatus(CPUMIPSState *env)
736 return env->active_tc.CP0_TCStatus;
739 target_ulong helper_mftc0_tcstatus(CPUMIPSState *env)
741 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
742 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
744 if (other_tc == other->current_tc)
745 return other->active_tc.CP0_TCStatus;
747 return other->tcs[other_tc].CP0_TCStatus;
750 target_ulong helper_mfc0_tcbind(CPUMIPSState *env)
752 return env->active_tc.CP0_TCBind;
755 target_ulong helper_mftc0_tcbind(CPUMIPSState *env)
757 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
758 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
760 if (other_tc == other->current_tc)
761 return other->active_tc.CP0_TCBind;
763 return other->tcs[other_tc].CP0_TCBind;
766 target_ulong helper_mfc0_tcrestart(CPUMIPSState *env)
768 return env->active_tc.PC;
771 target_ulong helper_mftc0_tcrestart(CPUMIPSState *env)
773 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
774 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
776 if (other_tc == other->current_tc)
777 return other->active_tc.PC;
779 return other->tcs[other_tc].PC;
782 target_ulong helper_mfc0_tchalt(CPUMIPSState *env)
784 return env->active_tc.CP0_TCHalt;
787 target_ulong helper_mftc0_tchalt(CPUMIPSState *env)
789 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
790 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
792 if (other_tc == other->current_tc)
793 return other->active_tc.CP0_TCHalt;
795 return other->tcs[other_tc].CP0_TCHalt;
798 target_ulong helper_mfc0_tccontext(CPUMIPSState *env)
800 return env->active_tc.CP0_TCContext;
803 target_ulong helper_mftc0_tccontext(CPUMIPSState *env)
805 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
806 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
808 if (other_tc == other->current_tc)
809 return other->active_tc.CP0_TCContext;
811 return other->tcs[other_tc].CP0_TCContext;
814 target_ulong helper_mfc0_tcschedule(CPUMIPSState *env)
816 return env->active_tc.CP0_TCSchedule;
819 target_ulong helper_mftc0_tcschedule(CPUMIPSState *env)
821 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
822 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
824 if (other_tc == other->current_tc)
825 return other->active_tc.CP0_TCSchedule;
827 return other->tcs[other_tc].CP0_TCSchedule;
830 target_ulong helper_mfc0_tcschefback(CPUMIPSState *env)
832 return env->active_tc.CP0_TCScheFBack;
835 target_ulong helper_mftc0_tcschefback(CPUMIPSState *env)
837 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
838 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
840 if (other_tc == other->current_tc)
841 return other->active_tc.CP0_TCScheFBack;
843 return other->tcs[other_tc].CP0_TCScheFBack;
846 target_ulong helper_mfc0_count(CPUMIPSState *env)
848 return (int32_t)cpu_mips_get_count(env);
851 target_ulong helper_mftc0_entryhi(CPUMIPSState *env)
853 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
854 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
856 return other->CP0_EntryHi;
859 target_ulong helper_mftc0_cause(CPUMIPSState *env)
861 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
863 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
865 if (other_tc == other->current_tc) {
866 tccause = other->CP0_Cause;
868 tccause = other->CP0_Cause;
874 target_ulong helper_mftc0_status(CPUMIPSState *env)
876 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
877 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
879 return other->CP0_Status;
882 target_ulong helper_mfc0_lladdr(CPUMIPSState *env)
884 return (int32_t)(env->lladdr >> env->CP0_LLAddr_shift);
887 target_ulong helper_mfc0_watchlo(CPUMIPSState *env, uint32_t sel)
889 return (int32_t)env->CP0_WatchLo[sel];
892 target_ulong helper_mfc0_watchhi(CPUMIPSState *env, uint32_t sel)
894 return env->CP0_WatchHi[sel];
897 target_ulong helper_mfc0_debug(CPUMIPSState *env)
899 target_ulong t0 = env->CP0_Debug;
900 if (env->hflags & MIPS_HFLAG_DM)
906 target_ulong helper_mftc0_debug(CPUMIPSState *env)
908 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
910 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
912 if (other_tc == other->current_tc)
913 tcstatus = other->active_tc.CP0_Debug_tcstatus;
915 tcstatus = other->tcs[other_tc].CP0_Debug_tcstatus;
917 /* XXX: Might be wrong, check with EJTAG spec. */
918 return (other->CP0_Debug & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) |
919 (tcstatus & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt)));
922 #if defined(TARGET_MIPS64)
923 target_ulong helper_dmfc0_tcrestart(CPUMIPSState *env)
925 return env->active_tc.PC;
928 target_ulong helper_dmfc0_tchalt(CPUMIPSState *env)
930 return env->active_tc.CP0_TCHalt;
933 target_ulong helper_dmfc0_tccontext(CPUMIPSState *env)
935 return env->active_tc.CP0_TCContext;
938 target_ulong helper_dmfc0_tcschedule(CPUMIPSState *env)
940 return env->active_tc.CP0_TCSchedule;
943 target_ulong helper_dmfc0_tcschefback(CPUMIPSState *env)
945 return env->active_tc.CP0_TCScheFBack;
948 target_ulong helper_dmfc0_lladdr(CPUMIPSState *env)
950 return env->lladdr >> env->CP0_LLAddr_shift;
953 target_ulong helper_dmfc0_watchlo(CPUMIPSState *env, uint32_t sel)
955 return env->CP0_WatchLo[sel];
957 #endif /* TARGET_MIPS64 */
959 void helper_mtc0_index(CPUMIPSState *env, target_ulong arg1)
961 uint32_t index_p = env->CP0_Index & 0x80000000;
962 uint32_t tlb_index = arg1 & 0x7fffffff;
963 if (tlb_index < env->tlb->nb_tlb) {
964 if (env->insn_flags & ISA_MIPS32R6) {
965 index_p |= arg1 & 0x80000000;
967 env->CP0_Index = index_p | tlb_index;
971 void helper_mtc0_mvpcontrol(CPUMIPSState *env, target_ulong arg1)
976 if (env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP))
977 mask |= (1 << CP0MVPCo_CPA) | (1 << CP0MVPCo_VPC) |
979 if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
980 mask |= (1 << CP0MVPCo_STLB);
981 newval = (env->mvp->CP0_MVPControl & ~mask) | (arg1 & mask);
983 // TODO: Enable/disable shared TLB, enable/disable VPEs.
985 env->mvp->CP0_MVPControl = newval;
988 void helper_mtc0_vpecontrol(CPUMIPSState *env, target_ulong arg1)
993 mask = (1 << CP0VPECo_YSI) | (1 << CP0VPECo_GSI) |
994 (1 << CP0VPECo_TE) | (0xff << CP0VPECo_TargTC);
995 newval = (env->CP0_VPEControl & ~mask) | (arg1 & mask);
997 /* Yield scheduler intercept not implemented. */
998 /* Gating storage scheduler intercept not implemented. */
1000 // TODO: Enable/disable TCs.
1002 env->CP0_VPEControl = newval;
1005 void helper_mttc0_vpecontrol(CPUMIPSState *env, target_ulong arg1)
1007 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1008 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1012 mask = (1 << CP0VPECo_YSI) | (1 << CP0VPECo_GSI) |
1013 (1 << CP0VPECo_TE) | (0xff << CP0VPECo_TargTC);
1014 newval = (other->CP0_VPEControl & ~mask) | (arg1 & mask);
1016 /* TODO: Enable/disable TCs. */
1018 other->CP0_VPEControl = newval;
1021 target_ulong helper_mftc0_vpecontrol(CPUMIPSState *env)
1023 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1024 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1025 /* FIXME: Mask away return zero on read bits. */
1026 return other->CP0_VPEControl;
1029 target_ulong helper_mftc0_vpeconf0(CPUMIPSState *env)
1031 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1032 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1034 return other->CP0_VPEConf0;
1037 void helper_mtc0_vpeconf0(CPUMIPSState *env, target_ulong arg1)
1042 if (env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) {
1043 if (env->CP0_VPEConf0 & (1 << CP0VPEC0_VPA))
1044 mask |= (0xff << CP0VPEC0_XTC);
1045 mask |= (1 << CP0VPEC0_MVP) | (1 << CP0VPEC0_VPA);
1047 newval = (env->CP0_VPEConf0 & ~mask) | (arg1 & mask);
1049 // TODO: TC exclusive handling due to ERL/EXL.
1051 env->CP0_VPEConf0 = newval;
1054 void helper_mttc0_vpeconf0(CPUMIPSState *env, target_ulong arg1)
1056 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1057 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1061 mask |= (1 << CP0VPEC0_MVP) | (1 << CP0VPEC0_VPA);
1062 newval = (other->CP0_VPEConf0 & ~mask) | (arg1 & mask);
1064 /* TODO: TC exclusive handling due to ERL/EXL. */
1065 other->CP0_VPEConf0 = newval;
1068 void helper_mtc0_vpeconf1(CPUMIPSState *env, target_ulong arg1)
1073 if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1074 mask |= (0xff << CP0VPEC1_NCX) | (0xff << CP0VPEC1_NCP2) |
1075 (0xff << CP0VPEC1_NCP1);
1076 newval = (env->CP0_VPEConf1 & ~mask) | (arg1 & mask);
1078 /* UDI not implemented. */
1079 /* CP2 not implemented. */
1081 // TODO: Handle FPU (CP1) binding.
1083 env->CP0_VPEConf1 = newval;
1086 void helper_mtc0_yqmask(CPUMIPSState *env, target_ulong arg1)
1088 /* Yield qualifier inputs not implemented. */
1089 env->CP0_YQMask = 0x00000000;
1092 void helper_mtc0_vpeopt(CPUMIPSState *env, target_ulong arg1)
1094 env->CP0_VPEOpt = arg1 & 0x0000ffff;
1097 void helper_mtc0_entrylo0(CPUMIPSState *env, target_ulong arg1)
1099 /* Large physaddr (PABITS) not implemented */
1100 /* 1k pages not implemented */
1101 target_ulong rxi = arg1 & (env->CP0_PageGrain & (3u << CP0PG_XIE));
1102 env->CP0_EntryLo0 = (arg1 & 0x3FFFFFFF) | (rxi << (CP0EnLo_XI - 30));
1105 #if defined(TARGET_MIPS64)
1106 void helper_dmtc0_entrylo0(CPUMIPSState *env, uint64_t arg1)
1108 uint64_t rxi = arg1 & ((env->CP0_PageGrain & (3ull << CP0PG_XIE)) << 32);
1109 env->CP0_EntryLo0 = (arg1 & 0x3FFFFFFF) | rxi;
1113 void helper_mtc0_tcstatus(CPUMIPSState *env, target_ulong arg1)
1115 uint32_t mask = env->CP0_TCStatus_rw_bitmask;
1118 newval = (env->active_tc.CP0_TCStatus & ~mask) | (arg1 & mask);
1120 env->active_tc.CP0_TCStatus = newval;
1121 sync_c0_tcstatus(env, env->current_tc, newval);
1124 void helper_mttc0_tcstatus(CPUMIPSState *env, target_ulong arg1)
1126 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1127 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1129 if (other_tc == other->current_tc)
1130 other->active_tc.CP0_TCStatus = arg1;
1132 other->tcs[other_tc].CP0_TCStatus = arg1;
1133 sync_c0_tcstatus(other, other_tc, arg1);
1136 void helper_mtc0_tcbind(CPUMIPSState *env, target_ulong arg1)
1138 uint32_t mask = (1 << CP0TCBd_TBE);
1141 if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1142 mask |= (1 << CP0TCBd_CurVPE);
1143 newval = (env->active_tc.CP0_TCBind & ~mask) | (arg1 & mask);
1144 env->active_tc.CP0_TCBind = newval;
1147 void helper_mttc0_tcbind(CPUMIPSState *env, target_ulong arg1)
1149 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1150 uint32_t mask = (1 << CP0TCBd_TBE);
1152 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1154 if (other->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1155 mask |= (1 << CP0TCBd_CurVPE);
1156 if (other_tc == other->current_tc) {
1157 newval = (other->active_tc.CP0_TCBind & ~mask) | (arg1 & mask);
1158 other->active_tc.CP0_TCBind = newval;
1160 newval = (other->tcs[other_tc].CP0_TCBind & ~mask) | (arg1 & mask);
1161 other->tcs[other_tc].CP0_TCBind = newval;
1165 void helper_mtc0_tcrestart(CPUMIPSState *env, target_ulong arg1)
1167 env->active_tc.PC = arg1;
1168 env->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
1170 /* MIPS16 not implemented. */
1173 void helper_mttc0_tcrestart(CPUMIPSState *env, target_ulong arg1)
1175 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1176 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1178 if (other_tc == other->current_tc) {
1179 other->active_tc.PC = arg1;
1180 other->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
1181 other->lladdr = 0ULL;
1182 /* MIPS16 not implemented. */
1184 other->tcs[other_tc].PC = arg1;
1185 other->tcs[other_tc].CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
1186 other->lladdr = 0ULL;
1187 /* MIPS16 not implemented. */
1191 void helper_mtc0_tchalt(CPUMIPSState *env, target_ulong arg1)
1193 MIPSCPU *cpu = mips_env_get_cpu(env);
1195 env->active_tc.CP0_TCHalt = arg1 & 0x1;
1197 // TODO: Halt TC / Restart (if allocated+active) TC.
1198 if (env->active_tc.CP0_TCHalt & 1) {
1199 mips_tc_sleep(cpu, env->current_tc);
1201 mips_tc_wake(cpu, env->current_tc);
1205 void helper_mttc0_tchalt(CPUMIPSState *env, target_ulong arg1)
1207 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1208 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1209 MIPSCPU *other_cpu = mips_env_get_cpu(other);
1211 // TODO: Halt TC / Restart (if allocated+active) TC.
1213 if (other_tc == other->current_tc)
1214 other->active_tc.CP0_TCHalt = arg1;
1216 other->tcs[other_tc].CP0_TCHalt = arg1;
1219 mips_tc_sleep(other_cpu, other_tc);
1221 mips_tc_wake(other_cpu, other_tc);
1225 void helper_mtc0_tccontext(CPUMIPSState *env, target_ulong arg1)
1227 env->active_tc.CP0_TCContext = arg1;
1230 void helper_mttc0_tccontext(CPUMIPSState *env, target_ulong arg1)
1232 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1233 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1235 if (other_tc == other->current_tc)
1236 other->active_tc.CP0_TCContext = arg1;
1238 other->tcs[other_tc].CP0_TCContext = arg1;
1241 void helper_mtc0_tcschedule(CPUMIPSState *env, target_ulong arg1)
1243 env->active_tc.CP0_TCSchedule = arg1;
1246 void helper_mttc0_tcschedule(CPUMIPSState *env, target_ulong arg1)
1248 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1249 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1251 if (other_tc == other->current_tc)
1252 other->active_tc.CP0_TCSchedule = arg1;
1254 other->tcs[other_tc].CP0_TCSchedule = arg1;
1257 void helper_mtc0_tcschefback(CPUMIPSState *env, target_ulong arg1)
1259 env->active_tc.CP0_TCScheFBack = arg1;
1262 void helper_mttc0_tcschefback(CPUMIPSState *env, target_ulong arg1)
1264 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1265 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1267 if (other_tc == other->current_tc)
1268 other->active_tc.CP0_TCScheFBack = arg1;
1270 other->tcs[other_tc].CP0_TCScheFBack = arg1;
1273 void helper_mtc0_entrylo1(CPUMIPSState *env, target_ulong arg1)
1275 /* Large physaddr (PABITS) not implemented */
1276 /* 1k pages not implemented */
1277 target_ulong rxi = arg1 & (env->CP0_PageGrain & (3u << CP0PG_XIE));
1278 env->CP0_EntryLo1 = (arg1 & 0x3FFFFFFF) | (rxi << (CP0EnLo_XI - 30));
1281 #if defined(TARGET_MIPS64)
1282 void helper_dmtc0_entrylo1(CPUMIPSState *env, uint64_t arg1)
1284 uint64_t rxi = arg1 & ((env->CP0_PageGrain & (3ull << CP0PG_XIE)) << 32);
1285 env->CP0_EntryLo1 = (arg1 & 0x3FFFFFFF) | rxi;
1289 void helper_mtc0_context(CPUMIPSState *env, target_ulong arg1)
1291 env->CP0_Context = (env->CP0_Context & 0x007FFFFF) | (arg1 & ~0x007FFFFF);
1294 void helper_mtc0_pagemask(CPUMIPSState *env, target_ulong arg1)
1296 uint64_t mask = arg1 >> (TARGET_PAGE_BITS + 1);
1297 if (!(env->insn_flags & ISA_MIPS32R6) || (arg1 == ~0) ||
1298 (mask == 0x0000 || mask == 0x0003 || mask == 0x000F ||
1299 mask == 0x003F || mask == 0x00FF || mask == 0x03FF ||
1300 mask == 0x0FFF || mask == 0x3FFF || mask == 0xFFFF)) {
1301 env->CP0_PageMask = arg1 & (0x1FFFFFFF & (TARGET_PAGE_MASK << 1));
1305 void helper_mtc0_pagegrain(CPUMIPSState *env, target_ulong arg1)
1307 /* SmartMIPS not implemented */
1308 /* Large physaddr (PABITS) not implemented */
1309 /* 1k pages not implemented */
1310 env->CP0_PageGrain = (arg1 & env->CP0_PageGrain_rw_bitmask) |
1311 (env->CP0_PageGrain & ~env->CP0_PageGrain_rw_bitmask);
1314 void helper_mtc0_wired(CPUMIPSState *env, target_ulong arg1)
1316 if (env->insn_flags & ISA_MIPS32R6) {
1317 if (arg1 < env->tlb->nb_tlb) {
1318 env->CP0_Wired = arg1;
1321 env->CP0_Wired = arg1 % env->tlb->nb_tlb;
1325 void helper_mtc0_srsconf0(CPUMIPSState *env, target_ulong arg1)
1327 env->CP0_SRSConf0 |= arg1 & env->CP0_SRSConf0_rw_bitmask;
1330 void helper_mtc0_srsconf1(CPUMIPSState *env, target_ulong arg1)
1332 env->CP0_SRSConf1 |= arg1 & env->CP0_SRSConf1_rw_bitmask;
1335 void helper_mtc0_srsconf2(CPUMIPSState *env, target_ulong arg1)
1337 env->CP0_SRSConf2 |= arg1 & env->CP0_SRSConf2_rw_bitmask;
1340 void helper_mtc0_srsconf3(CPUMIPSState *env, target_ulong arg1)
1342 env->CP0_SRSConf3 |= arg1 & env->CP0_SRSConf3_rw_bitmask;
1345 void helper_mtc0_srsconf4(CPUMIPSState *env, target_ulong arg1)
1347 env->CP0_SRSConf4 |= arg1 & env->CP0_SRSConf4_rw_bitmask;
1350 void helper_mtc0_hwrena(CPUMIPSState *env, target_ulong arg1)
1352 uint32_t mask = 0x0000000F;
1354 if (env->CP0_Config3 & (1 << CP0C3_ULRI)) {
1357 if (arg1 & (1 << 29)) {
1358 env->hflags |= MIPS_HFLAG_HWRENA_ULR;
1360 env->hflags &= ~MIPS_HFLAG_HWRENA_ULR;
1364 env->CP0_HWREna = arg1 & mask;
1367 void helper_mtc0_count(CPUMIPSState *env, target_ulong arg1)
1369 cpu_mips_store_count(env, arg1);
1372 void helper_mtc0_entryhi(CPUMIPSState *env, target_ulong arg1)
1374 target_ulong old, val, mask;
1375 mask = (TARGET_PAGE_MASK << 1) | 0xFF;
1376 if (((env->CP0_Config4 >> CP0C4_IE) & 0x3) >= 2) {
1377 mask |= 1 << CP0EnHi_EHINV;
1380 /* 1k pages not implemented */
1381 #if defined(TARGET_MIPS64)
1382 if (env->insn_flags & ISA_MIPS32R6) {
1383 int entryhi_r = extract64(arg1, 62, 2);
1384 int config0_at = extract32(env->CP0_Config0, 13, 2);
1385 bool no_supervisor = (env->CP0_Status_rw_bitmask & 0x8) == 0;
1386 if ((entryhi_r == 2) ||
1387 (entryhi_r == 1 && (no_supervisor || config0_at == 1))) {
1388 /* skip EntryHi.R field if new value is reserved */
1389 mask &= ~(0x3ull << 62);
1392 mask &= env->SEGMask;
1394 old = env->CP0_EntryHi;
1395 val = (arg1 & mask) | (old & ~mask);
1396 env->CP0_EntryHi = val;
1397 if (env->CP0_Config3 & (1 << CP0C3_MT)) {
1398 sync_c0_entryhi(env, env->current_tc);
1400 /* If the ASID changes, flush qemu's TLB. */
1401 if ((old & 0xFF) != (val & 0xFF))
1402 cpu_mips_tlb_flush(env, 1);
1405 void helper_mttc0_entryhi(CPUMIPSState *env, target_ulong arg1)
1407 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1408 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1410 other->CP0_EntryHi = arg1;
1411 sync_c0_entryhi(other, other_tc);
1414 void helper_mtc0_compare(CPUMIPSState *env, target_ulong arg1)
1416 cpu_mips_store_compare(env, arg1);
1419 void helper_mtc0_status(CPUMIPSState *env, target_ulong arg1)
1421 MIPSCPU *cpu = mips_env_get_cpu(env);
1423 uint32_t mask = env->CP0_Status_rw_bitmask;
1425 if (env->insn_flags & ISA_MIPS32R6) {
1426 if (extract32(env->CP0_Status, CP0St_KSU, 2) == 0x3) {
1427 mask &= ~(3 << CP0St_KSU);
1429 mask &= ~(0x00180000 & arg1);
1433 old = env->CP0_Status;
1434 env->CP0_Status = (env->CP0_Status & ~mask) | val;
1435 if (env->CP0_Config3 & (1 << CP0C3_MT)) {
1436 sync_c0_status(env, env, env->current_tc);
1438 compute_hflags(env);
1441 if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
1442 qemu_log("Status %08x (%08x) => %08x (%08x) Cause %08x",
1443 old, old & env->CP0_Cause & CP0Ca_IP_mask,
1444 val, val & env->CP0_Cause & CP0Ca_IP_mask,
1446 switch (env->hflags & MIPS_HFLAG_KSU) {
1447 case MIPS_HFLAG_UM: qemu_log(", UM\n"); break;
1448 case MIPS_HFLAG_SM: qemu_log(", SM\n"); break;
1449 case MIPS_HFLAG_KM: qemu_log("\n"); break;
1451 cpu_abort(CPU(cpu), "Invalid MMU mode!\n");
1457 void helper_mttc0_status(CPUMIPSState *env, target_ulong arg1)
1459 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1460 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1462 other->CP0_Status = arg1 & ~0xf1000018;
1463 sync_c0_status(env, other, other_tc);
1466 void helper_mtc0_intctl(CPUMIPSState *env, target_ulong arg1)
1468 /* vectored interrupts not implemented, no performance counters. */
1469 env->CP0_IntCtl = (env->CP0_IntCtl & ~0x000003e0) | (arg1 & 0x000003e0);
1472 void helper_mtc0_srsctl(CPUMIPSState *env, target_ulong arg1)
1474 uint32_t mask = (0xf << CP0SRSCtl_ESS) | (0xf << CP0SRSCtl_PSS);
1475 env->CP0_SRSCtl = (env->CP0_SRSCtl & ~mask) | (arg1 & mask);
1478 static void mtc0_cause(CPUMIPSState *cpu, target_ulong arg1)
1480 uint32_t mask = 0x00C00300;
1481 uint32_t old = cpu->CP0_Cause;
1484 if (cpu->insn_flags & ISA_MIPS32R2) {
1485 mask |= 1 << CP0Ca_DC;
1487 if (cpu->insn_flags & ISA_MIPS32R6) {
1488 mask &= ~((1 << CP0Ca_WP) & arg1);
1491 cpu->CP0_Cause = (cpu->CP0_Cause & ~mask) | (arg1 & mask);
1493 if ((old ^ cpu->CP0_Cause) & (1 << CP0Ca_DC)) {
1494 if (cpu->CP0_Cause & (1 << CP0Ca_DC)) {
1495 cpu_mips_stop_count(cpu);
1497 cpu_mips_start_count(cpu);
1501 /* Set/reset software interrupts */
1502 for (i = 0 ; i < 2 ; i++) {
1503 if ((old ^ cpu->CP0_Cause) & (1 << (CP0Ca_IP + i))) {
1504 cpu_mips_soft_irq(cpu, i, cpu->CP0_Cause & (1 << (CP0Ca_IP + i)));
1509 void helper_mtc0_cause(CPUMIPSState *env, target_ulong arg1)
1511 mtc0_cause(env, arg1);
1514 void helper_mttc0_cause(CPUMIPSState *env, target_ulong arg1)
1516 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1517 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1519 mtc0_cause(other, arg1);
1522 target_ulong helper_mftc0_epc(CPUMIPSState *env)
1524 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1525 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1527 return other->CP0_EPC;
1530 target_ulong helper_mftc0_ebase(CPUMIPSState *env)
1532 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1533 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1535 return other->CP0_EBase;
1538 void helper_mtc0_ebase(CPUMIPSState *env, target_ulong arg1)
1540 /* vectored interrupts not implemented */
1541 env->CP0_EBase = (env->CP0_EBase & ~0x3FFFF000) | (arg1 & 0x3FFFF000);
1544 void helper_mttc0_ebase(CPUMIPSState *env, target_ulong arg1)
1546 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1547 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1548 other->CP0_EBase = (other->CP0_EBase & ~0x3FFFF000) | (arg1 & 0x3FFFF000);
1551 target_ulong helper_mftc0_configx(CPUMIPSState *env, target_ulong idx)
1553 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1554 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1557 case 0: return other->CP0_Config0;
1558 case 1: return other->CP0_Config1;
1559 case 2: return other->CP0_Config2;
1560 case 3: return other->CP0_Config3;
1561 /* 4 and 5 are reserved. */
1562 case 6: return other->CP0_Config6;
1563 case 7: return other->CP0_Config7;
1570 void helper_mtc0_config0(CPUMIPSState *env, target_ulong arg1)
1572 env->CP0_Config0 = (env->CP0_Config0 & 0x81FFFFF8) | (arg1 & 0x00000007);
1575 void helper_mtc0_config2(CPUMIPSState *env, target_ulong arg1)
1577 /* tertiary/secondary caches not implemented */
1578 env->CP0_Config2 = (env->CP0_Config2 & 0x8FFF0FFF);
1581 void helper_mtc0_config4(CPUMIPSState *env, target_ulong arg1)
1583 env->CP0_Config4 = (env->CP0_Config4 & (~env->CP0_Config4_rw_bitmask)) |
1584 (arg1 & env->CP0_Config4_rw_bitmask);
1587 void helper_mtc0_config5(CPUMIPSState *env, target_ulong arg1)
1589 env->CP0_Config5 = (env->CP0_Config5 & (~env->CP0_Config5_rw_bitmask)) |
1590 (arg1 & env->CP0_Config5_rw_bitmask);
1591 compute_hflags(env);
1594 void helper_mtc0_lladdr(CPUMIPSState *env, target_ulong arg1)
1596 target_long mask = env->CP0_LLAddr_rw_bitmask;
1597 arg1 = arg1 << env->CP0_LLAddr_shift;
1598 env->lladdr = (env->lladdr & ~mask) | (arg1 & mask);
1601 void helper_mtc0_watchlo(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1603 /* Watch exceptions for instructions, data loads, data stores
1605 env->CP0_WatchLo[sel] = (arg1 & ~0x7);
1608 void helper_mtc0_watchhi(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1610 env->CP0_WatchHi[sel] = (arg1 & 0x40FF0FF8);
1611 env->CP0_WatchHi[sel] &= ~(env->CP0_WatchHi[sel] & arg1 & 0x7);
1614 void helper_mtc0_xcontext(CPUMIPSState *env, target_ulong arg1)
1616 target_ulong mask = (1ULL << (env->SEGBITS - 7)) - 1;
1617 env->CP0_XContext = (env->CP0_XContext & mask) | (arg1 & ~mask);
1620 void helper_mtc0_framemask(CPUMIPSState *env, target_ulong arg1)
1622 env->CP0_Framemask = arg1; /* XXX */
1625 void helper_mtc0_debug(CPUMIPSState *env, target_ulong arg1)
1627 env->CP0_Debug = (env->CP0_Debug & 0x8C03FC1F) | (arg1 & 0x13300120);
1628 if (arg1 & (1 << CP0DB_DM))
1629 env->hflags |= MIPS_HFLAG_DM;
1631 env->hflags &= ~MIPS_HFLAG_DM;
1634 void helper_mttc0_debug(CPUMIPSState *env, target_ulong arg1)
1636 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1637 uint32_t val = arg1 & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt));
1638 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1640 /* XXX: Might be wrong, check with EJTAG spec. */
1641 if (other_tc == other->current_tc)
1642 other->active_tc.CP0_Debug_tcstatus = val;
1644 other->tcs[other_tc].CP0_Debug_tcstatus = val;
1645 other->CP0_Debug = (other->CP0_Debug &
1646 ((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) |
1647 (arg1 & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt)));
1650 void helper_mtc0_performance0(CPUMIPSState *env, target_ulong arg1)
1652 env->CP0_Performance0 = arg1 & 0x000007ff;
1655 void helper_mtc0_taglo(CPUMIPSState *env, target_ulong arg1)
1657 env->CP0_TagLo = arg1 & 0xFFFFFCF6;
1660 void helper_mtc0_datalo(CPUMIPSState *env, target_ulong arg1)
1662 env->CP0_DataLo = arg1; /* XXX */
1665 void helper_mtc0_taghi(CPUMIPSState *env, target_ulong arg1)
1667 env->CP0_TagHi = arg1; /* XXX */
1670 void helper_mtc0_datahi(CPUMIPSState *env, target_ulong arg1)
1672 env->CP0_DataHi = arg1; /* XXX */
1675 /* MIPS MT functions */
1676 target_ulong helper_mftgpr(CPUMIPSState *env, uint32_t sel)
1678 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1679 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1681 if (other_tc == other->current_tc)
1682 return other->active_tc.gpr[sel];
1684 return other->tcs[other_tc].gpr[sel];
1687 target_ulong helper_mftlo(CPUMIPSState *env, uint32_t sel)
1689 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1690 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1692 if (other_tc == other->current_tc)
1693 return other->active_tc.LO[sel];
1695 return other->tcs[other_tc].LO[sel];
1698 target_ulong helper_mfthi(CPUMIPSState *env, uint32_t sel)
1700 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1701 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1703 if (other_tc == other->current_tc)
1704 return other->active_tc.HI[sel];
1706 return other->tcs[other_tc].HI[sel];
1709 target_ulong helper_mftacx(CPUMIPSState *env, uint32_t sel)
1711 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1712 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1714 if (other_tc == other->current_tc)
1715 return other->active_tc.ACX[sel];
1717 return other->tcs[other_tc].ACX[sel];
1720 target_ulong helper_mftdsp(CPUMIPSState *env)
1722 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1723 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1725 if (other_tc == other->current_tc)
1726 return other->active_tc.DSPControl;
1728 return other->tcs[other_tc].DSPControl;
1731 void helper_mttgpr(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1733 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1734 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1736 if (other_tc == other->current_tc)
1737 other->active_tc.gpr[sel] = arg1;
1739 other->tcs[other_tc].gpr[sel] = arg1;
1742 void helper_mttlo(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1744 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1745 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1747 if (other_tc == other->current_tc)
1748 other->active_tc.LO[sel] = arg1;
1750 other->tcs[other_tc].LO[sel] = arg1;
1753 void helper_mtthi(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1755 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1756 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1758 if (other_tc == other->current_tc)
1759 other->active_tc.HI[sel] = arg1;
1761 other->tcs[other_tc].HI[sel] = arg1;
1764 void helper_mttacx(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1766 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1767 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1769 if (other_tc == other->current_tc)
1770 other->active_tc.ACX[sel] = arg1;
1772 other->tcs[other_tc].ACX[sel] = arg1;
1775 void helper_mttdsp(CPUMIPSState *env, target_ulong arg1)
1777 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1778 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1780 if (other_tc == other->current_tc)
1781 other->active_tc.DSPControl = arg1;
1783 other->tcs[other_tc].DSPControl = arg1;
1786 /* MIPS MT functions */
1787 target_ulong helper_dmt(void)
1793 target_ulong helper_emt(void)
1799 target_ulong helper_dvpe(CPUMIPSState *env)
1801 CPUState *other_cs = first_cpu;
1802 target_ulong prev = env->mvp->CP0_MVPControl;
1804 CPU_FOREACH(other_cs) {
1805 MIPSCPU *other_cpu = MIPS_CPU(other_cs);
1806 /* Turn off all VPEs except the one executing the dvpe. */
1807 if (&other_cpu->env != env) {
1808 other_cpu->env.mvp->CP0_MVPControl &= ~(1 << CP0MVPCo_EVP);
1809 mips_vpe_sleep(other_cpu);
1815 target_ulong helper_evpe(CPUMIPSState *env)
1817 CPUState *other_cs = first_cpu;
1818 target_ulong prev = env->mvp->CP0_MVPControl;
1820 CPU_FOREACH(other_cs) {
1821 MIPSCPU *other_cpu = MIPS_CPU(other_cs);
1823 if (&other_cpu->env != env
1824 /* If the VPE is WFI, don't disturb its sleep. */
1825 && !mips_vpe_is_wfi(other_cpu)) {
1826 /* Enable the VPE. */
1827 other_cpu->env.mvp->CP0_MVPControl |= (1 << CP0MVPCo_EVP);
1828 mips_vpe_wake(other_cpu); /* And wake it up. */
1833 #endif /* !CONFIG_USER_ONLY */
1835 void helper_fork(target_ulong arg1, target_ulong arg2)
1837 // arg1 = rt, arg2 = rs
1838 // TODO: store to TC register
1841 target_ulong helper_yield(CPUMIPSState *env, target_ulong arg)
1843 target_long arg1 = arg;
1846 /* No scheduling policy implemented. */
1848 if (env->CP0_VPEControl & (1 << CP0VPECo_YSI) &&
1849 env->active_tc.CP0_TCStatus & (1 << CP0TCSt_DT)) {
1850 env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
1851 env->CP0_VPEControl |= 4 << CP0VPECo_EXCPT;
1852 helper_raise_exception(env, EXCP_THREAD);
1855 } else if (arg1 == 0) {
1856 if (0 /* TODO: TC underflow */) {
1857 env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
1858 helper_raise_exception(env, EXCP_THREAD);
1860 // TODO: Deallocate TC
1862 } else if (arg1 > 0) {
1863 /* Yield qualifier inputs not implemented. */
1864 env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
1865 env->CP0_VPEControl |= 2 << CP0VPECo_EXCPT;
1866 helper_raise_exception(env, EXCP_THREAD);
1868 return env->CP0_YQMask;
1871 #ifndef CONFIG_USER_ONLY
1872 /* TLB management */
1873 static void cpu_mips_tlb_flush (CPUMIPSState *env, int flush_global)
1875 MIPSCPU *cpu = mips_env_get_cpu(env);
1877 /* Flush qemu's TLB and discard all shadowed entries. */
1878 tlb_flush(CPU(cpu), flush_global);
1879 env->tlb->tlb_in_use = env->tlb->nb_tlb;
1882 static void r4k_mips_tlb_flush_extra (CPUMIPSState *env, int first)
1884 /* Discard entries from env->tlb[first] onwards. */
1885 while (env->tlb->tlb_in_use > first) {
1886 r4k_invalidate_tlb(env, --env->tlb->tlb_in_use, 0);
1890 static void r4k_fill_tlb(CPUMIPSState *env, int idx)
1894 /* XXX: detect conflicting TLBs and raise a MCHECK exception when needed */
1895 tlb = &env->tlb->mmu.r4k.tlb[idx];
1896 if (env->CP0_EntryHi & (1 << CP0EnHi_EHINV)) {
1901 tlb->VPN = env->CP0_EntryHi & (TARGET_PAGE_MASK << 1);
1902 #if defined(TARGET_MIPS64)
1903 tlb->VPN &= env->SEGMask;
1905 tlb->ASID = env->CP0_EntryHi & 0xFF;
1906 tlb->PageMask = env->CP0_PageMask;
1907 tlb->G = env->CP0_EntryLo0 & env->CP0_EntryLo1 & 1;
1908 tlb->V0 = (env->CP0_EntryLo0 & 2) != 0;
1909 tlb->D0 = (env->CP0_EntryLo0 & 4) != 0;
1910 tlb->C0 = (env->CP0_EntryLo0 >> 3) & 0x7;
1911 tlb->XI0 = (env->CP0_EntryLo0 >> CP0EnLo_XI) & 1;
1912 tlb->RI0 = (env->CP0_EntryLo0 >> CP0EnLo_RI) & 1;
1913 tlb->PFN[0] = (env->CP0_EntryLo0 >> 6) << 12;
1914 tlb->V1 = (env->CP0_EntryLo1 & 2) != 0;
1915 tlb->D1 = (env->CP0_EntryLo1 & 4) != 0;
1916 tlb->C1 = (env->CP0_EntryLo1 >> 3) & 0x7;
1917 tlb->XI1 = (env->CP0_EntryLo1 >> CP0EnLo_XI) & 1;
1918 tlb->RI1 = (env->CP0_EntryLo1 >> CP0EnLo_RI) & 1;
1919 tlb->PFN[1] = (env->CP0_EntryLo1 >> 6) << 12;
1922 void r4k_helper_tlbinv(CPUMIPSState *env)
1926 uint8_t ASID = env->CP0_EntryHi & 0xFF;
1928 for (idx = 0; idx < env->tlb->nb_tlb; idx++) {
1929 tlb = &env->tlb->mmu.r4k.tlb[idx];
1930 if (!tlb->G && tlb->ASID == ASID) {
1934 cpu_mips_tlb_flush(env, 1);
1937 void r4k_helper_tlbinvf(CPUMIPSState *env)
1941 for (idx = 0; idx < env->tlb->nb_tlb; idx++) {
1942 env->tlb->mmu.r4k.tlb[idx].EHINV = 1;
1944 cpu_mips_tlb_flush(env, 1);
1947 void r4k_helper_tlbwi(CPUMIPSState *env)
1953 bool G, V0, D0, V1, D1;
1955 idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb;
1956 tlb = &env->tlb->mmu.r4k.tlb[idx];
1957 VPN = env->CP0_EntryHi & (TARGET_PAGE_MASK << 1);
1958 #if defined(TARGET_MIPS64)
1959 VPN &= env->SEGMask;
1961 ASID = env->CP0_EntryHi & 0xff;
1962 G = env->CP0_EntryLo0 & env->CP0_EntryLo1 & 1;
1963 V0 = (env->CP0_EntryLo0 & 2) != 0;
1964 D0 = (env->CP0_EntryLo0 & 4) != 0;
1965 V1 = (env->CP0_EntryLo1 & 2) != 0;
1966 D1 = (env->CP0_EntryLo1 & 4) != 0;
1968 /* Discard cached TLB entries, unless tlbwi is just upgrading access
1969 permissions on the current entry. */
1970 if (tlb->VPN != VPN || tlb->ASID != ASID || tlb->G != G ||
1971 (tlb->V0 && !V0) || (tlb->D0 && !D0) ||
1972 (tlb->V1 && !V1) || (tlb->D1 && !D1)) {
1973 r4k_mips_tlb_flush_extra(env, env->tlb->nb_tlb);
1976 r4k_invalidate_tlb(env, idx, 0);
1977 r4k_fill_tlb(env, idx);
1980 void r4k_helper_tlbwr(CPUMIPSState *env)
1982 int r = cpu_mips_get_random(env);
1984 r4k_invalidate_tlb(env, r, 1);
1985 r4k_fill_tlb(env, r);
1988 void r4k_helper_tlbp(CPUMIPSState *env)
1997 ASID = env->CP0_EntryHi & 0xFF;
1998 for (i = 0; i < env->tlb->nb_tlb; i++) {
1999 tlb = &env->tlb->mmu.r4k.tlb[i];
2000 /* 1k pages are not supported. */
2001 mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
2002 tag = env->CP0_EntryHi & ~mask;
2003 VPN = tlb->VPN & ~mask;
2004 #if defined(TARGET_MIPS64)
2005 tag &= env->SEGMask;
2007 /* Check ASID, virtual page number & size */
2008 if ((tlb->G == 1 || tlb->ASID == ASID) && VPN == tag && !tlb->EHINV) {
2014 if (i == env->tlb->nb_tlb) {
2015 /* No match. Discard any shadow entries, if any of them match. */
2016 for (i = env->tlb->nb_tlb; i < env->tlb->tlb_in_use; i++) {
2017 tlb = &env->tlb->mmu.r4k.tlb[i];
2018 /* 1k pages are not supported. */
2019 mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
2020 tag = env->CP0_EntryHi & ~mask;
2021 VPN = tlb->VPN & ~mask;
2022 #if defined(TARGET_MIPS64)
2023 tag &= env->SEGMask;
2025 /* Check ASID, virtual page number & size */
2026 if ((tlb->G == 1 || tlb->ASID == ASID) && VPN == tag) {
2027 r4k_mips_tlb_flush_extra (env, i);
2032 env->CP0_Index |= 0x80000000;
2036 void r4k_helper_tlbr(CPUMIPSState *env)
2042 ASID = env->CP0_EntryHi & 0xFF;
2043 idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb;
2044 tlb = &env->tlb->mmu.r4k.tlb[idx];
2046 /* If this will change the current ASID, flush qemu's TLB. */
2047 if (ASID != tlb->ASID)
2048 cpu_mips_tlb_flush (env, 1);
2050 r4k_mips_tlb_flush_extra(env, env->tlb->nb_tlb);
2053 env->CP0_EntryHi = 1 << CP0EnHi_EHINV;
2054 env->CP0_PageMask = 0;
2055 env->CP0_EntryLo0 = 0;
2056 env->CP0_EntryLo1 = 0;
2058 env->CP0_EntryHi = tlb->VPN | tlb->ASID;
2059 env->CP0_PageMask = tlb->PageMask;
2060 env->CP0_EntryLo0 = tlb->G | (tlb->V0 << 1) | (tlb->D0 << 2) |
2061 ((target_ulong)tlb->RI0 << CP0EnLo_RI) |
2062 ((target_ulong)tlb->XI0 << CP0EnLo_XI) |
2063 (tlb->C0 << 3) | (tlb->PFN[0] >> 6);
2064 env->CP0_EntryLo1 = tlb->G | (tlb->V1 << 1) | (tlb->D1 << 2) |
2065 ((target_ulong)tlb->RI1 << CP0EnLo_RI) |
2066 ((target_ulong)tlb->XI1 << CP0EnLo_XI) |
2067 (tlb->C1 << 3) | (tlb->PFN[1] >> 6);
2071 void helper_tlbwi(CPUMIPSState *env)
2073 env->tlb->helper_tlbwi(env);
2076 void helper_tlbwr(CPUMIPSState *env)
2078 env->tlb->helper_tlbwr(env);
2081 void helper_tlbp(CPUMIPSState *env)
2083 env->tlb->helper_tlbp(env);
2086 void helper_tlbr(CPUMIPSState *env)
2088 env->tlb->helper_tlbr(env);
2091 void helper_tlbinv(CPUMIPSState *env)
2093 env->tlb->helper_tlbinv(env);
2096 void helper_tlbinvf(CPUMIPSState *env)
2098 env->tlb->helper_tlbinvf(env);
2102 target_ulong helper_di(CPUMIPSState *env)
2104 target_ulong t0 = env->CP0_Status;
2106 env->CP0_Status = t0 & ~(1 << CP0St_IE);
2110 target_ulong helper_ei(CPUMIPSState *env)
2112 target_ulong t0 = env->CP0_Status;
2114 env->CP0_Status = t0 | (1 << CP0St_IE);
2118 static void debug_pre_eret(CPUMIPSState *env)
2120 if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
2121 qemu_log("ERET: PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx,
2122 env->active_tc.PC, env->CP0_EPC);
2123 if (env->CP0_Status & (1 << CP0St_ERL))
2124 qemu_log(" ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
2125 if (env->hflags & MIPS_HFLAG_DM)
2126 qemu_log(" DEPC " TARGET_FMT_lx, env->CP0_DEPC);
2131 static void debug_post_eret(CPUMIPSState *env)
2133 MIPSCPU *cpu = mips_env_get_cpu(env);
2135 if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
2136 qemu_log(" => PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx,
2137 env->active_tc.PC, env->CP0_EPC);
2138 if (env->CP0_Status & (1 << CP0St_ERL))
2139 qemu_log(" ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
2140 if (env->hflags & MIPS_HFLAG_DM)
2141 qemu_log(" DEPC " TARGET_FMT_lx, env->CP0_DEPC);
2142 switch (env->hflags & MIPS_HFLAG_KSU) {
2143 case MIPS_HFLAG_UM: qemu_log(", UM\n"); break;
2144 case MIPS_HFLAG_SM: qemu_log(", SM\n"); break;
2145 case MIPS_HFLAG_KM: qemu_log("\n"); break;
2147 cpu_abort(CPU(cpu), "Invalid MMU mode!\n");
2153 static void set_pc(CPUMIPSState *env, target_ulong error_pc)
2155 env->active_tc.PC = error_pc & ~(target_ulong)1;
2157 env->hflags |= MIPS_HFLAG_M16;
2159 env->hflags &= ~(MIPS_HFLAG_M16);
2163 void helper_eret(CPUMIPSState *env)
2165 debug_pre_eret(env);
2166 if (env->CP0_Status & (1 << CP0St_ERL)) {
2167 set_pc(env, env->CP0_ErrorEPC);
2168 env->CP0_Status &= ~(1 << CP0St_ERL);
2170 set_pc(env, env->CP0_EPC);
2171 env->CP0_Status &= ~(1 << CP0St_EXL);
2173 compute_hflags(env);
2174 debug_post_eret(env);
2178 void helper_deret(CPUMIPSState *env)
2180 debug_pre_eret(env);
2181 set_pc(env, env->CP0_DEPC);
2183 env->hflags &= MIPS_HFLAG_DM;
2184 compute_hflags(env);
2185 debug_post_eret(env);
2188 #endif /* !CONFIG_USER_ONLY */
2190 target_ulong helper_rdhwr_cpunum(CPUMIPSState *env)
2192 if ((env->hflags & MIPS_HFLAG_CP0) ||
2193 (env->CP0_HWREna & (1 << 0)))
2194 return env->CP0_EBase & 0x3ff;
2196 helper_raise_exception(env, EXCP_RI);
2201 target_ulong helper_rdhwr_synci_step(CPUMIPSState *env)
2203 if ((env->hflags & MIPS_HFLAG_CP0) ||
2204 (env->CP0_HWREna & (1 << 1)))
2205 return env->SYNCI_Step;
2207 helper_raise_exception(env, EXCP_RI);
2212 target_ulong helper_rdhwr_cc(CPUMIPSState *env)
2214 if ((env->hflags & MIPS_HFLAG_CP0) ||
2215 (env->CP0_HWREna & (1 << 2)))
2216 return env->CP0_Count;
2218 helper_raise_exception(env, EXCP_RI);
2223 target_ulong helper_rdhwr_ccres(CPUMIPSState *env)
2225 if ((env->hflags & MIPS_HFLAG_CP0) ||
2226 (env->CP0_HWREna & (1 << 3)))
2229 helper_raise_exception(env, EXCP_RI);
2234 void helper_pmon(CPUMIPSState *env, int function)
2238 case 2: /* TODO: char inbyte(int waitflag); */
2239 if (env->active_tc.gpr[4] == 0)
2240 env->active_tc.gpr[2] = -1;
2242 case 11: /* TODO: char inbyte (void); */
2243 env->active_tc.gpr[2] = -1;
2247 printf("%c", (char)(env->active_tc.gpr[4] & 0xFF));
2253 unsigned char *fmt = (void *)(uintptr_t)env->active_tc.gpr[4];
2260 void helper_wait(CPUMIPSState *env)
2262 CPUState *cs = CPU(mips_env_get_cpu(env));
2265 cpu_reset_interrupt(cs, CPU_INTERRUPT_WAKE);
2266 helper_raise_exception(env, EXCP_HLT);
2269 #if !defined(CONFIG_USER_ONLY)
2271 void mips_cpu_do_unaligned_access(CPUState *cs, vaddr addr,
2272 int access_type, int is_user,
2275 MIPSCPU *cpu = MIPS_CPU(cs);
2276 CPUMIPSState *env = &cpu->env;
2280 env->CP0_BadVAddr = addr;
2282 if (access_type == MMU_DATA_STORE) {
2286 if (access_type == MMU_INST_FETCH) {
2287 error_code |= EXCP_INST_NOTAVAIL;
2291 do_raise_exception_err(env, excp, error_code, retaddr);
2294 void tlb_fill(CPUState *cs, target_ulong addr, int is_write, int mmu_idx,
2299 ret = mips_cpu_handle_mmu_fault(cs, addr, is_write, mmu_idx);
2301 MIPSCPU *cpu = MIPS_CPU(cs);
2302 CPUMIPSState *env = &cpu->env;
2304 do_raise_exception_err(env, cs->exception_index,
2305 env->error_code, retaddr);
2309 void mips_cpu_unassigned_access(CPUState *cs, hwaddr addr,
2310 bool is_write, bool is_exec, int unused,
2313 MIPSCPU *cpu = MIPS_CPU(cs);
2314 CPUMIPSState *env = &cpu->env;
2317 * Raising an exception with KVM enabled will crash because it won't be from
2318 * the main execution loop so the longjmp won't have a matching setjmp.
2319 * Until we can trigger a bus error exception through KVM lets just ignore
2322 if (kvm_enabled()) {
2327 helper_raise_exception(env, EXCP_IBE);
2329 helper_raise_exception(env, EXCP_DBE);
2332 #endif /* !CONFIG_USER_ONLY */
2334 /* Complex FPU operations which may need stack space. */
2336 #define FLOAT_TWO32 make_float32(1 << 30)
2337 #define FLOAT_TWO64 make_float64(1ULL << 62)
2338 #define FP_TO_INT32_OVERFLOW 0x7fffffff
2339 #define FP_TO_INT64_OVERFLOW 0x7fffffffffffffffULL
2341 /* convert MIPS rounding mode in FCR31 to IEEE library */
2342 unsigned int ieee_rm[] = {
2343 float_round_nearest_even,
2344 float_round_to_zero,
2349 static inline void restore_rounding_mode(CPUMIPSState *env)
2351 set_float_rounding_mode(ieee_rm[env->active_fpu.fcr31 & 3],
2352 &env->active_fpu.fp_status);
2355 static inline void restore_flush_mode(CPUMIPSState *env)
2357 set_flush_to_zero((env->active_fpu.fcr31 & (1 << 24)) != 0,
2358 &env->active_fpu.fp_status);
2361 target_ulong helper_cfc1(CPUMIPSState *env, uint32_t reg)
2363 target_ulong arg1 = 0;
2367 arg1 = (int32_t)env->active_fpu.fcr0;
2370 /* UFR Support - Read Status FR */
2371 if (env->active_fpu.fcr0 & (1 << FCR0_UFRP)) {
2372 if (env->CP0_Config5 & (1 << CP0C5_UFR)) {
2374 ((env->CP0_Status & (1 << CP0St_FR)) >> CP0St_FR);
2376 helper_raise_exception(env, EXCP_RI);
2381 arg1 = ((env->active_fpu.fcr31 >> 24) & 0xfe) | ((env->active_fpu.fcr31 >> 23) & 0x1);
2384 arg1 = env->active_fpu.fcr31 & 0x0003f07c;
2387 arg1 = (env->active_fpu.fcr31 & 0x00000f83) | ((env->active_fpu.fcr31 >> 22) & 0x4);
2390 arg1 = (int32_t)env->active_fpu.fcr31;
2397 void helper_ctc1(CPUMIPSState *env, target_ulong arg1, uint32_t fs, uint32_t rt)
2401 /* UFR Alias - Reset Status FR */
2402 if (!((env->active_fpu.fcr0 & (1 << FCR0_UFRP)) && (rt == 0))) {
2405 if (env->CP0_Config5 & (1 << CP0C5_UFR)) {
2406 env->CP0_Status &= ~(1 << CP0St_FR);
2407 compute_hflags(env);
2409 helper_raise_exception(env, EXCP_RI);
2413 /* UNFR Alias - Set Status FR */
2414 if (!((env->active_fpu.fcr0 & (1 << FCR0_UFRP)) && (rt == 0))) {
2417 if (env->CP0_Config5 & (1 << CP0C5_UFR)) {
2418 env->CP0_Status |= (1 << CP0St_FR);
2419 compute_hflags(env);
2421 helper_raise_exception(env, EXCP_RI);
2425 if ((env->insn_flags & ISA_MIPS32R6) || (arg1 & 0xffffff00)) {
2428 env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0x017fffff) | ((arg1 & 0xfe) << 24) |
2429 ((arg1 & 0x1) << 23);
2432 if (arg1 & 0x007c0000)
2434 env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0xfffc0f83) | (arg1 & 0x0003f07c);
2437 if (arg1 & 0x007c0000)
2439 env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0xfefff07c) | (arg1 & 0x00000f83) |
2440 ((arg1 & 0x4) << 22);
2443 if (env->insn_flags & ISA_MIPS32R6) {
2444 uint32_t mask = 0xfefc0000;
2445 env->active_fpu.fcr31 = (arg1 & ~mask) |
2446 (env->active_fpu.fcr31 & mask);
2447 } else if (!(arg1 & 0x007c0000)) {
2448 env->active_fpu.fcr31 = arg1;
2454 /* set rounding mode */
2455 restore_rounding_mode(env);
2456 /* set flush-to-zero mode */
2457 restore_flush_mode(env);
2458 set_float_exception_flags(0, &env->active_fpu.fp_status);
2459 if ((GET_FP_ENABLE(env->active_fpu.fcr31) | 0x20) & GET_FP_CAUSE(env->active_fpu.fcr31))
2460 do_raise_exception(env, EXCP_FPE, GETPC());
2463 int ieee_ex_to_mips(int xcpt)
2467 if (xcpt & float_flag_invalid) {
2470 if (xcpt & float_flag_overflow) {
2473 if (xcpt & float_flag_underflow) {
2474 ret |= FP_UNDERFLOW;
2476 if (xcpt & float_flag_divbyzero) {
2479 if (xcpt & float_flag_inexact) {
2486 static inline void update_fcr31(CPUMIPSState *env, uintptr_t pc)
2488 int tmp = ieee_ex_to_mips(get_float_exception_flags(&env->active_fpu.fp_status));
2490 SET_FP_CAUSE(env->active_fpu.fcr31, tmp);
2493 set_float_exception_flags(0, &env->active_fpu.fp_status);
2495 if (GET_FP_ENABLE(env->active_fpu.fcr31) & tmp) {
2496 do_raise_exception(env, EXCP_FPE, pc);
2498 UPDATE_FP_FLAGS(env->active_fpu.fcr31, tmp);
2504 Single precition routines have a "s" suffix, double precision a
2505 "d" suffix, 32bit integer "w", 64bit integer "l", paired single "ps",
2506 paired single lower "pl", paired single upper "pu". */
2508 /* unary operations, modifying fp status */
2509 uint64_t helper_float_sqrt_d(CPUMIPSState *env, uint64_t fdt0)
2511 fdt0 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
2512 update_fcr31(env, GETPC());
2516 uint32_t helper_float_sqrt_s(CPUMIPSState *env, uint32_t fst0)
2518 fst0 = float32_sqrt(fst0, &env->active_fpu.fp_status);
2519 update_fcr31(env, GETPC());
2523 uint64_t helper_float_cvtd_s(CPUMIPSState *env, uint32_t fst0)
2527 fdt2 = float32_to_float64(fst0, &env->active_fpu.fp_status);
2528 update_fcr31(env, GETPC());
2532 uint64_t helper_float_cvtd_w(CPUMIPSState *env, uint32_t wt0)
2536 fdt2 = int32_to_float64(wt0, &env->active_fpu.fp_status);
2537 update_fcr31(env, GETPC());
2541 uint64_t helper_float_cvtd_l(CPUMIPSState *env, uint64_t dt0)
2545 fdt2 = int64_to_float64(dt0, &env->active_fpu.fp_status);
2546 update_fcr31(env, GETPC());
2550 uint64_t helper_float_cvtl_d(CPUMIPSState *env, uint64_t fdt0)
2554 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2555 if (get_float_exception_flags(&env->active_fpu.fp_status)
2556 & (float_flag_invalid | float_flag_overflow)) {
2557 dt2 = FP_TO_INT64_OVERFLOW;
2559 update_fcr31(env, GETPC());
2563 uint64_t helper_float_cvtl_s(CPUMIPSState *env, uint32_t fst0)
2567 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2568 if (get_float_exception_flags(&env->active_fpu.fp_status)
2569 & (float_flag_invalid | float_flag_overflow)) {
2570 dt2 = FP_TO_INT64_OVERFLOW;
2572 update_fcr31(env, GETPC());
2576 uint64_t helper_float_cvtps_pw(CPUMIPSState *env, uint64_t dt0)
2581 fst2 = int32_to_float32(dt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2582 fsth2 = int32_to_float32(dt0 >> 32, &env->active_fpu.fp_status);
2583 update_fcr31(env, GETPC());
2584 return ((uint64_t)fsth2 << 32) | fst2;
2587 uint64_t helper_float_cvtpw_ps(CPUMIPSState *env, uint64_t fdt0)
2593 wt2 = float32_to_int32(fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2594 excp = get_float_exception_flags(&env->active_fpu.fp_status);
2595 if (excp & (float_flag_overflow | float_flag_invalid)) {
2596 wt2 = FP_TO_INT32_OVERFLOW;
2599 set_float_exception_flags(0, &env->active_fpu.fp_status);
2600 wth2 = float32_to_int32(fdt0 >> 32, &env->active_fpu.fp_status);
2601 excph = get_float_exception_flags(&env->active_fpu.fp_status);
2602 if (excph & (float_flag_overflow | float_flag_invalid)) {
2603 wth2 = FP_TO_INT32_OVERFLOW;
2606 set_float_exception_flags(excp | excph, &env->active_fpu.fp_status);
2607 update_fcr31(env, GETPC());
2609 return ((uint64_t)wth2 << 32) | wt2;
2612 uint32_t helper_float_cvts_d(CPUMIPSState *env, uint64_t fdt0)
2616 fst2 = float64_to_float32(fdt0, &env->active_fpu.fp_status);
2617 update_fcr31(env, GETPC());
2621 uint32_t helper_float_cvts_w(CPUMIPSState *env, uint32_t wt0)
2625 fst2 = int32_to_float32(wt0, &env->active_fpu.fp_status);
2626 update_fcr31(env, GETPC());
2630 uint32_t helper_float_cvts_l(CPUMIPSState *env, uint64_t dt0)
2634 fst2 = int64_to_float32(dt0, &env->active_fpu.fp_status);
2635 update_fcr31(env, GETPC());
2639 uint32_t helper_float_cvts_pl(CPUMIPSState *env, uint32_t wt0)
2644 update_fcr31(env, GETPC());
2648 uint32_t helper_float_cvts_pu(CPUMIPSState *env, uint32_t wth0)
2653 update_fcr31(env, GETPC());
2657 uint32_t helper_float_cvtw_s(CPUMIPSState *env, uint32_t fst0)
2661 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2662 update_fcr31(env, GETPC());
2663 if (get_float_exception_flags(&env->active_fpu.fp_status)
2664 & (float_flag_invalid | float_flag_overflow)) {
2665 wt2 = FP_TO_INT32_OVERFLOW;
2670 uint32_t helper_float_cvtw_d(CPUMIPSState *env, uint64_t fdt0)
2674 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2675 if (get_float_exception_flags(&env->active_fpu.fp_status)
2676 & (float_flag_invalid | float_flag_overflow)) {
2677 wt2 = FP_TO_INT32_OVERFLOW;
2679 update_fcr31(env, GETPC());
2683 uint64_t helper_float_roundl_d(CPUMIPSState *env, uint64_t fdt0)
2687 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2688 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2689 restore_rounding_mode(env);
2690 if (get_float_exception_flags(&env->active_fpu.fp_status)
2691 & (float_flag_invalid | float_flag_overflow)) {
2692 dt2 = FP_TO_INT64_OVERFLOW;
2694 update_fcr31(env, GETPC());
2698 uint64_t helper_float_roundl_s(CPUMIPSState *env, uint32_t fst0)
2702 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2703 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2704 restore_rounding_mode(env);
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 uint32_t helper_float_roundw_d(CPUMIPSState *env, uint64_t fdt0)
2717 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2718 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2719 restore_rounding_mode(env);
2720 if (get_float_exception_flags(&env->active_fpu.fp_status)
2721 & (float_flag_invalid | float_flag_overflow)) {
2722 wt2 = FP_TO_INT32_OVERFLOW;
2724 update_fcr31(env, GETPC());
2728 uint32_t helper_float_roundw_s(CPUMIPSState *env, uint32_t fst0)
2732 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2733 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2734 restore_rounding_mode(env);
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 uint64_t helper_float_truncl_d(CPUMIPSState *env, uint64_t fdt0)
2747 dt2 = float64_to_int64_round_to_zero(fdt0, &env->active_fpu.fp_status);
2748 if (get_float_exception_flags(&env->active_fpu.fp_status)
2749 & (float_flag_invalid | float_flag_overflow)) {
2750 dt2 = FP_TO_INT64_OVERFLOW;
2752 update_fcr31(env, GETPC());
2756 uint64_t helper_float_truncl_s(CPUMIPSState *env, uint32_t fst0)
2760 dt2 = float32_to_int64_round_to_zero(fst0, &env->active_fpu.fp_status);
2761 if (get_float_exception_flags(&env->active_fpu.fp_status)
2762 & (float_flag_invalid | float_flag_overflow)) {
2763 dt2 = FP_TO_INT64_OVERFLOW;
2765 update_fcr31(env, GETPC());
2769 uint32_t helper_float_truncw_d(CPUMIPSState *env, uint64_t fdt0)
2773 wt2 = float64_to_int32_round_to_zero(fdt0, &env->active_fpu.fp_status);
2774 if (get_float_exception_flags(&env->active_fpu.fp_status)
2775 & (float_flag_invalid | float_flag_overflow)) {
2776 wt2 = FP_TO_INT32_OVERFLOW;
2778 update_fcr31(env, GETPC());
2782 uint32_t helper_float_truncw_s(CPUMIPSState *env, uint32_t fst0)
2786 wt2 = float32_to_int32_round_to_zero(fst0, &env->active_fpu.fp_status);
2787 if (get_float_exception_flags(&env->active_fpu.fp_status)
2788 & (float_flag_invalid | float_flag_overflow)) {
2789 wt2 = FP_TO_INT32_OVERFLOW;
2791 update_fcr31(env, GETPC());
2795 uint64_t helper_float_ceill_d(CPUMIPSState *env, uint64_t fdt0)
2799 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2800 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2801 restore_rounding_mode(env);
2802 if (get_float_exception_flags(&env->active_fpu.fp_status)
2803 & (float_flag_invalid | float_flag_overflow)) {
2804 dt2 = FP_TO_INT64_OVERFLOW;
2806 update_fcr31(env, GETPC());
2810 uint64_t helper_float_ceill_s(CPUMIPSState *env, uint32_t fst0)
2814 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2815 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2816 restore_rounding_mode(env);
2817 if (get_float_exception_flags(&env->active_fpu.fp_status)
2818 & (float_flag_invalid | float_flag_overflow)) {
2819 dt2 = FP_TO_INT64_OVERFLOW;
2821 update_fcr31(env, GETPC());
2825 uint32_t helper_float_ceilw_d(CPUMIPSState *env, uint64_t fdt0)
2829 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2830 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2831 restore_rounding_mode(env);
2832 if (get_float_exception_flags(&env->active_fpu.fp_status)
2833 & (float_flag_invalid | float_flag_overflow)) {
2834 wt2 = FP_TO_INT32_OVERFLOW;
2836 update_fcr31(env, GETPC());
2840 uint32_t helper_float_ceilw_s(CPUMIPSState *env, uint32_t fst0)
2844 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2845 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2846 restore_rounding_mode(env);
2847 if (get_float_exception_flags(&env->active_fpu.fp_status)
2848 & (float_flag_invalid | float_flag_overflow)) {
2849 wt2 = FP_TO_INT32_OVERFLOW;
2851 update_fcr31(env, GETPC());
2855 uint64_t helper_float_floorl_d(CPUMIPSState *env, uint64_t fdt0)
2859 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2860 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2861 restore_rounding_mode(env);
2862 if (get_float_exception_flags(&env->active_fpu.fp_status)
2863 & (float_flag_invalid | float_flag_overflow)) {
2864 dt2 = FP_TO_INT64_OVERFLOW;
2866 update_fcr31(env, GETPC());
2870 uint64_t helper_float_floorl_s(CPUMIPSState *env, uint32_t fst0)
2874 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2875 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2876 restore_rounding_mode(env);
2877 if (get_float_exception_flags(&env->active_fpu.fp_status)
2878 & (float_flag_invalid | float_flag_overflow)) {
2879 dt2 = FP_TO_INT64_OVERFLOW;
2881 update_fcr31(env, GETPC());
2885 uint32_t helper_float_floorw_d(CPUMIPSState *env, uint64_t fdt0)
2889 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2890 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2891 restore_rounding_mode(env);
2892 if (get_float_exception_flags(&env->active_fpu.fp_status)
2893 & (float_flag_invalid | float_flag_overflow)) {
2894 wt2 = FP_TO_INT32_OVERFLOW;
2896 update_fcr31(env, GETPC());
2900 uint32_t helper_float_floorw_s(CPUMIPSState *env, uint32_t fst0)
2904 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2905 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2906 restore_rounding_mode(env);
2907 if (get_float_exception_flags(&env->active_fpu.fp_status)
2908 & (float_flag_invalid | float_flag_overflow)) {
2909 wt2 = FP_TO_INT32_OVERFLOW;
2911 update_fcr31(env, GETPC());
2915 /* unary operations, not modifying fp status */
2916 #define FLOAT_UNOP(name) \
2917 uint64_t helper_float_ ## name ## _d(uint64_t fdt0) \
2919 return float64_ ## name(fdt0); \
2921 uint32_t helper_float_ ## name ## _s(uint32_t fst0) \
2923 return float32_ ## name(fst0); \
2925 uint64_t helper_float_ ## name ## _ps(uint64_t fdt0) \
2930 wt0 = float32_ ## name(fdt0 & 0XFFFFFFFF); \
2931 wth0 = float32_ ## name(fdt0 >> 32); \
2932 return ((uint64_t)wth0 << 32) | wt0; \
2938 #define FLOAT_FMADDSUB(name, bits, muladd_arg) \
2939 uint ## bits ## _t helper_float_ ## name (CPUMIPSState *env, \
2940 uint ## bits ## _t fs, \
2941 uint ## bits ## _t ft, \
2942 uint ## bits ## _t fd) \
2944 uint ## bits ## _t fdret; \
2946 fdret = float ## bits ## _muladd(fs, ft, fd, muladd_arg, \
2947 &env->active_fpu.fp_status); \
2948 update_fcr31(env, GETPC()); \
2952 FLOAT_FMADDSUB(maddf_s, 32, 0)
2953 FLOAT_FMADDSUB(maddf_d, 64, 0)
2954 FLOAT_FMADDSUB(msubf_s, 32, float_muladd_negate_product)
2955 FLOAT_FMADDSUB(msubf_d, 64, float_muladd_negate_product)
2956 #undef FLOAT_FMADDSUB
2958 #define FLOAT_MINMAX(name, bits, minmaxfunc) \
2959 uint ## bits ## _t helper_float_ ## name (CPUMIPSState *env, \
2960 uint ## bits ## _t fs, \
2961 uint ## bits ## _t ft) \
2963 uint ## bits ## _t fdret; \
2965 fdret = float ## bits ## _ ## minmaxfunc(fs, ft, \
2966 &env->active_fpu.fp_status); \
2967 update_fcr31(env, GETPC()); \
2971 FLOAT_MINMAX(max_s, 32, maxnum)
2972 FLOAT_MINMAX(max_d, 64, maxnum)
2973 FLOAT_MINMAX(maxa_s, 32, maxnummag)
2974 FLOAT_MINMAX(maxa_d, 64, maxnummag)
2976 FLOAT_MINMAX(min_s, 32, minnum)
2977 FLOAT_MINMAX(min_d, 64, minnum)
2978 FLOAT_MINMAX(mina_s, 32, minnummag)
2979 FLOAT_MINMAX(mina_d, 64, minnummag)
2982 #define FLOAT_RINT(name, bits) \
2983 uint ## bits ## _t helper_float_ ## name (CPUMIPSState *env, \
2984 uint ## bits ## _t fs) \
2986 uint ## bits ## _t fdret; \
2988 fdret = float ## bits ## _round_to_int(fs, &env->active_fpu.fp_status); \
2989 update_fcr31(env, GETPC()); \
2993 FLOAT_RINT(rint_s, 32)
2994 FLOAT_RINT(rint_d, 64)
2997 #define FLOAT_CLASS_SIGNALING_NAN 0x001
2998 #define FLOAT_CLASS_QUIET_NAN 0x002
2999 #define FLOAT_CLASS_NEGATIVE_INFINITY 0x004
3000 #define FLOAT_CLASS_NEGATIVE_NORMAL 0x008
3001 #define FLOAT_CLASS_NEGATIVE_SUBNORMAL 0x010
3002 #define FLOAT_CLASS_NEGATIVE_ZERO 0x020
3003 #define FLOAT_CLASS_POSITIVE_INFINITY 0x040
3004 #define FLOAT_CLASS_POSITIVE_NORMAL 0x080
3005 #define FLOAT_CLASS_POSITIVE_SUBNORMAL 0x100
3006 #define FLOAT_CLASS_POSITIVE_ZERO 0x200
3008 #define FLOAT_CLASS(name, bits) \
3009 uint ## bits ## _t helper_float_ ## name (uint ## bits ## _t arg) \
3011 if (float ## bits ## _is_signaling_nan(arg)) { \
3012 return FLOAT_CLASS_SIGNALING_NAN; \
3013 } else if (float ## bits ## _is_quiet_nan(arg)) { \
3014 return FLOAT_CLASS_QUIET_NAN; \
3015 } else if (float ## bits ## _is_neg(arg)) { \
3016 if (float ## bits ## _is_infinity(arg)) { \
3017 return FLOAT_CLASS_NEGATIVE_INFINITY; \
3018 } else if (float ## bits ## _is_zero(arg)) { \
3019 return FLOAT_CLASS_NEGATIVE_ZERO; \
3020 } else if (float ## bits ## _is_zero_or_denormal(arg)) { \
3021 return FLOAT_CLASS_NEGATIVE_SUBNORMAL; \
3023 return FLOAT_CLASS_NEGATIVE_NORMAL; \
3026 if (float ## bits ## _is_infinity(arg)) { \
3027 return FLOAT_CLASS_POSITIVE_INFINITY; \
3028 } else if (float ## bits ## _is_zero(arg)) { \
3029 return FLOAT_CLASS_POSITIVE_ZERO; \
3030 } else if (float ## bits ## _is_zero_or_denormal(arg)) { \
3031 return FLOAT_CLASS_POSITIVE_SUBNORMAL; \
3033 return FLOAT_CLASS_POSITIVE_NORMAL; \
3038 FLOAT_CLASS(class_s, 32)
3039 FLOAT_CLASS(class_d, 64)
3042 /* MIPS specific unary operations */
3043 uint64_t helper_float_recip_d(CPUMIPSState *env, uint64_t fdt0)
3047 fdt2 = float64_div(float64_one, fdt0, &env->active_fpu.fp_status);
3048 update_fcr31(env, GETPC());
3052 uint32_t helper_float_recip_s(CPUMIPSState *env, uint32_t fst0)
3056 fst2 = float32_div(float32_one, fst0, &env->active_fpu.fp_status);
3057 update_fcr31(env, GETPC());
3061 uint64_t helper_float_rsqrt_d(CPUMIPSState *env, uint64_t fdt0)
3065 fdt2 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
3066 fdt2 = float64_div(float64_one, fdt2, &env->active_fpu.fp_status);
3067 update_fcr31(env, GETPC());
3071 uint32_t helper_float_rsqrt_s(CPUMIPSState *env, uint32_t fst0)
3075 fst2 = float32_sqrt(fst0, &env->active_fpu.fp_status);
3076 fst2 = float32_div(float32_one, fst2, &env->active_fpu.fp_status);
3077 update_fcr31(env, GETPC());
3081 uint64_t helper_float_recip1_d(CPUMIPSState *env, uint64_t fdt0)
3085 fdt2 = float64_div(float64_one, fdt0, &env->active_fpu.fp_status);
3086 update_fcr31(env, GETPC());
3090 uint32_t helper_float_recip1_s(CPUMIPSState *env, uint32_t fst0)
3094 fst2 = float32_div(float32_one, fst0, &env->active_fpu.fp_status);
3095 update_fcr31(env, GETPC());
3099 uint64_t helper_float_recip1_ps(CPUMIPSState *env, uint64_t fdt0)
3104 fst2 = float32_div(float32_one, fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
3105 fsth2 = float32_div(float32_one, fdt0 >> 32, &env->active_fpu.fp_status);
3106 update_fcr31(env, GETPC());
3107 return ((uint64_t)fsth2 << 32) | fst2;
3110 uint64_t helper_float_rsqrt1_d(CPUMIPSState *env, uint64_t fdt0)
3114 fdt2 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
3115 fdt2 = float64_div(float64_one, fdt2, &env->active_fpu.fp_status);
3116 update_fcr31(env, GETPC());
3120 uint32_t helper_float_rsqrt1_s(CPUMIPSState *env, uint32_t fst0)
3124 fst2 = float32_sqrt(fst0, &env->active_fpu.fp_status);
3125 fst2 = float32_div(float32_one, fst2, &env->active_fpu.fp_status);
3126 update_fcr31(env, GETPC());
3130 uint64_t helper_float_rsqrt1_ps(CPUMIPSState *env, uint64_t fdt0)
3135 fst2 = float32_sqrt(fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
3136 fsth2 = float32_sqrt(fdt0 >> 32, &env->active_fpu.fp_status);
3137 fst2 = float32_div(float32_one, fst2, &env->active_fpu.fp_status);
3138 fsth2 = float32_div(float32_one, fsth2, &env->active_fpu.fp_status);
3139 update_fcr31(env, GETPC());
3140 return ((uint64_t)fsth2 << 32) | fst2;
3143 #define FLOAT_OP(name, p) void helper_float_##name##_##p(CPUMIPSState *env)
3145 /* binary operations */
3146 #define FLOAT_BINOP(name) \
3147 uint64_t helper_float_ ## name ## _d(CPUMIPSState *env, \
3148 uint64_t fdt0, uint64_t fdt1) \
3152 dt2 = float64_ ## name (fdt0, fdt1, &env->active_fpu.fp_status); \
3153 update_fcr31(env, GETPC()); \
3157 uint32_t helper_float_ ## name ## _s(CPUMIPSState *env, \
3158 uint32_t fst0, uint32_t fst1) \
3162 wt2 = float32_ ## name (fst0, fst1, &env->active_fpu.fp_status); \
3163 update_fcr31(env, GETPC()); \
3167 uint64_t helper_float_ ## name ## _ps(CPUMIPSState *env, \
3171 uint32_t fst0 = fdt0 & 0XFFFFFFFF; \
3172 uint32_t fsth0 = fdt0 >> 32; \
3173 uint32_t fst1 = fdt1 & 0XFFFFFFFF; \
3174 uint32_t fsth1 = fdt1 >> 32; \
3178 wt2 = float32_ ## name (fst0, fst1, &env->active_fpu.fp_status); \
3179 wth2 = float32_ ## name (fsth0, fsth1, &env->active_fpu.fp_status); \
3180 update_fcr31(env, GETPC()); \
3181 return ((uint64_t)wth2 << 32) | wt2; \
3190 #define UNFUSED_FMA(prefix, a, b, c, flags) \
3192 a = prefix##_mul(a, b, &env->active_fpu.fp_status); \
3193 if ((flags) & float_muladd_negate_c) { \
3194 a = prefix##_sub(a, c, &env->active_fpu.fp_status); \
3196 a = prefix##_add(a, c, &env->active_fpu.fp_status); \
3198 if ((flags) & float_muladd_negate_result) { \
3199 a = prefix##_chs(a); \
3203 /* FMA based operations */
3204 #define FLOAT_FMA(name, type) \
3205 uint64_t helper_float_ ## name ## _d(CPUMIPSState *env, \
3206 uint64_t fdt0, uint64_t fdt1, \
3209 UNFUSED_FMA(float64, fdt0, fdt1, fdt2, type); \
3210 update_fcr31(env, GETPC()); \
3214 uint32_t helper_float_ ## name ## _s(CPUMIPSState *env, \
3215 uint32_t fst0, uint32_t fst1, \
3218 UNFUSED_FMA(float32, fst0, fst1, fst2, type); \
3219 update_fcr31(env, GETPC()); \
3223 uint64_t helper_float_ ## name ## _ps(CPUMIPSState *env, \
3224 uint64_t fdt0, uint64_t fdt1, \
3227 uint32_t fst0 = fdt0 & 0XFFFFFFFF; \
3228 uint32_t fsth0 = fdt0 >> 32; \
3229 uint32_t fst1 = fdt1 & 0XFFFFFFFF; \
3230 uint32_t fsth1 = fdt1 >> 32; \
3231 uint32_t fst2 = fdt2 & 0XFFFFFFFF; \
3232 uint32_t fsth2 = fdt2 >> 32; \
3234 UNFUSED_FMA(float32, fst0, fst1, fst2, type); \
3235 UNFUSED_FMA(float32, fsth0, fsth1, fsth2, type); \
3236 update_fcr31(env, GETPC()); \
3237 return ((uint64_t)fsth0 << 32) | fst0; \
3240 FLOAT_FMA(msub, float_muladd_negate_c)
3241 FLOAT_FMA(nmadd, float_muladd_negate_result)
3242 FLOAT_FMA(nmsub, float_muladd_negate_result | float_muladd_negate_c)
3245 /* MIPS specific binary operations */
3246 uint64_t helper_float_recip2_d(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
3248 fdt2 = float64_mul(fdt0, fdt2, &env->active_fpu.fp_status);
3249 fdt2 = float64_chs(float64_sub(fdt2, float64_one, &env->active_fpu.fp_status));
3250 update_fcr31(env, GETPC());
3254 uint32_t helper_float_recip2_s(CPUMIPSState *env, uint32_t fst0, uint32_t fst2)
3256 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
3257 fst2 = float32_chs(float32_sub(fst2, float32_one, &env->active_fpu.fp_status));
3258 update_fcr31(env, GETPC());
3262 uint64_t helper_float_recip2_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
3264 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
3265 uint32_t fsth0 = fdt0 >> 32;
3266 uint32_t fst2 = fdt2 & 0XFFFFFFFF;
3267 uint32_t fsth2 = fdt2 >> 32;
3269 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
3270 fsth2 = float32_mul(fsth0, fsth2, &env->active_fpu.fp_status);
3271 fst2 = float32_chs(float32_sub(fst2, float32_one, &env->active_fpu.fp_status));
3272 fsth2 = float32_chs(float32_sub(fsth2, float32_one, &env->active_fpu.fp_status));
3273 update_fcr31(env, GETPC());
3274 return ((uint64_t)fsth2 << 32) | fst2;
3277 uint64_t helper_float_rsqrt2_d(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
3279 fdt2 = float64_mul(fdt0, fdt2, &env->active_fpu.fp_status);
3280 fdt2 = float64_sub(fdt2, float64_one, &env->active_fpu.fp_status);
3281 fdt2 = float64_chs(float64_div(fdt2, FLOAT_TWO64, &env->active_fpu.fp_status));
3282 update_fcr31(env, GETPC());
3286 uint32_t helper_float_rsqrt2_s(CPUMIPSState *env, uint32_t fst0, uint32_t fst2)
3288 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
3289 fst2 = float32_sub(fst2, float32_one, &env->active_fpu.fp_status);
3290 fst2 = float32_chs(float32_div(fst2, FLOAT_TWO32, &env->active_fpu.fp_status));
3291 update_fcr31(env, GETPC());
3295 uint64_t helper_float_rsqrt2_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
3297 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
3298 uint32_t fsth0 = fdt0 >> 32;
3299 uint32_t fst2 = fdt2 & 0XFFFFFFFF;
3300 uint32_t fsth2 = fdt2 >> 32;
3302 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
3303 fsth2 = float32_mul(fsth0, fsth2, &env->active_fpu.fp_status);
3304 fst2 = float32_sub(fst2, float32_one, &env->active_fpu.fp_status);
3305 fsth2 = float32_sub(fsth2, float32_one, &env->active_fpu.fp_status);
3306 fst2 = float32_chs(float32_div(fst2, FLOAT_TWO32, &env->active_fpu.fp_status));
3307 fsth2 = float32_chs(float32_div(fsth2, FLOAT_TWO32, &env->active_fpu.fp_status));
3308 update_fcr31(env, GETPC());
3309 return ((uint64_t)fsth2 << 32) | fst2;
3312 uint64_t helper_float_addr_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt1)
3314 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
3315 uint32_t fsth0 = fdt0 >> 32;
3316 uint32_t fst1 = fdt1 & 0XFFFFFFFF;
3317 uint32_t fsth1 = fdt1 >> 32;
3321 fst2 = float32_add (fst0, fsth0, &env->active_fpu.fp_status);
3322 fsth2 = float32_add (fst1, fsth1, &env->active_fpu.fp_status);
3323 update_fcr31(env, GETPC());
3324 return ((uint64_t)fsth2 << 32) | fst2;
3327 uint64_t helper_float_mulr_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt1)
3329 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
3330 uint32_t fsth0 = fdt0 >> 32;
3331 uint32_t fst1 = fdt1 & 0XFFFFFFFF;
3332 uint32_t fsth1 = fdt1 >> 32;
3336 fst2 = float32_mul (fst0, fsth0, &env->active_fpu.fp_status);
3337 fsth2 = float32_mul (fst1, fsth1, &env->active_fpu.fp_status);
3338 update_fcr31(env, GETPC());
3339 return ((uint64_t)fsth2 << 32) | fst2;
3342 /* compare operations */
3343 #define FOP_COND_D(op, cond) \
3344 void helper_cmp_d_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3345 uint64_t fdt1, int cc) \
3349 update_fcr31(env, GETPC()); \
3351 SET_FP_COND(cc, env->active_fpu); \
3353 CLEAR_FP_COND(cc, env->active_fpu); \
3355 void helper_cmpabs_d_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3356 uint64_t fdt1, int cc) \
3359 fdt0 = float64_abs(fdt0); \
3360 fdt1 = float64_abs(fdt1); \
3362 update_fcr31(env, GETPC()); \
3364 SET_FP_COND(cc, env->active_fpu); \
3366 CLEAR_FP_COND(cc, env->active_fpu); \
3369 /* NOTE: the comma operator will make "cond" to eval to false,
3370 * but float64_unordered_quiet() is still called. */
3371 FOP_COND_D(f, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status), 0))
3372 FOP_COND_D(un, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status))
3373 FOP_COND_D(eq, float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3374 FOP_COND_D(ueq, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status) || float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3375 FOP_COND_D(olt, float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3376 FOP_COND_D(ult, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status) || float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3377 FOP_COND_D(ole, float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3378 FOP_COND_D(ule, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status) || float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3379 /* NOTE: the comma operator will make "cond" to eval to false,
3380 * but float64_unordered() is still called. */
3381 FOP_COND_D(sf, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status), 0))
3382 FOP_COND_D(ngle,float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status))
3383 FOP_COND_D(seq, float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
3384 FOP_COND_D(ngl, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status) || float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
3385 FOP_COND_D(lt, float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
3386 FOP_COND_D(nge, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status) || float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
3387 FOP_COND_D(le, float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
3388 FOP_COND_D(ngt, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status) || float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
3390 #define FOP_COND_S(op, cond) \
3391 void helper_cmp_s_ ## op(CPUMIPSState *env, uint32_t fst0, \
3392 uint32_t fst1, int cc) \
3396 update_fcr31(env, GETPC()); \
3398 SET_FP_COND(cc, env->active_fpu); \
3400 CLEAR_FP_COND(cc, env->active_fpu); \
3402 void helper_cmpabs_s_ ## op(CPUMIPSState *env, uint32_t fst0, \
3403 uint32_t fst1, int cc) \
3406 fst0 = float32_abs(fst0); \
3407 fst1 = float32_abs(fst1); \
3409 update_fcr31(env, GETPC()); \
3411 SET_FP_COND(cc, env->active_fpu); \
3413 CLEAR_FP_COND(cc, env->active_fpu); \
3416 /* NOTE: the comma operator will make "cond" to eval to false,
3417 * but float32_unordered_quiet() is still called. */
3418 FOP_COND_S(f, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status), 0))
3419 FOP_COND_S(un, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status))
3420 FOP_COND_S(eq, float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status))
3421 FOP_COND_S(ueq, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status))
3422 FOP_COND_S(olt, float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status))
3423 FOP_COND_S(ult, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status))
3424 FOP_COND_S(ole, float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status))
3425 FOP_COND_S(ule, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status))
3426 /* NOTE: the comma operator will make "cond" to eval to false,
3427 * but float32_unordered() is still called. */
3428 FOP_COND_S(sf, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status), 0))
3429 FOP_COND_S(ngle,float32_unordered(fst1, fst0, &env->active_fpu.fp_status))
3430 FOP_COND_S(seq, float32_eq(fst0, fst1, &env->active_fpu.fp_status))
3431 FOP_COND_S(ngl, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_eq(fst0, fst1, &env->active_fpu.fp_status))
3432 FOP_COND_S(lt, float32_lt(fst0, fst1, &env->active_fpu.fp_status))
3433 FOP_COND_S(nge, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_lt(fst0, fst1, &env->active_fpu.fp_status))
3434 FOP_COND_S(le, float32_le(fst0, fst1, &env->active_fpu.fp_status))
3435 FOP_COND_S(ngt, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_le(fst0, fst1, &env->active_fpu.fp_status))
3437 #define FOP_COND_PS(op, condl, condh) \
3438 void helper_cmp_ps_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3439 uint64_t fdt1, int cc) \
3441 uint32_t fst0, fsth0, fst1, fsth1; \
3443 fst0 = fdt0 & 0XFFFFFFFF; \
3444 fsth0 = fdt0 >> 32; \
3445 fst1 = fdt1 & 0XFFFFFFFF; \
3446 fsth1 = fdt1 >> 32; \
3449 update_fcr31(env, GETPC()); \
3451 SET_FP_COND(cc, env->active_fpu); \
3453 CLEAR_FP_COND(cc, env->active_fpu); \
3455 SET_FP_COND(cc + 1, env->active_fpu); \
3457 CLEAR_FP_COND(cc + 1, env->active_fpu); \
3459 void helper_cmpabs_ps_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3460 uint64_t fdt1, int cc) \
3462 uint32_t fst0, fsth0, fst1, fsth1; \
3464 fst0 = float32_abs(fdt0 & 0XFFFFFFFF); \
3465 fsth0 = float32_abs(fdt0 >> 32); \
3466 fst1 = float32_abs(fdt1 & 0XFFFFFFFF); \
3467 fsth1 = float32_abs(fdt1 >> 32); \
3470 update_fcr31(env, GETPC()); \
3472 SET_FP_COND(cc, env->active_fpu); \
3474 CLEAR_FP_COND(cc, env->active_fpu); \
3476 SET_FP_COND(cc + 1, env->active_fpu); \
3478 CLEAR_FP_COND(cc + 1, env->active_fpu); \
3481 /* NOTE: the comma operator will make "cond" to eval to false,
3482 * but float32_unordered_quiet() is still called. */
3483 FOP_COND_PS(f, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status), 0),
3484 (float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status), 0))
3485 FOP_COND_PS(un, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status),
3486 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status))
3487 FOP_COND_PS(eq, float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status),
3488 float32_eq_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3489 FOP_COND_PS(ueq, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status),
3490 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status) || float32_eq_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3491 FOP_COND_PS(olt, float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status),
3492 float32_lt_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3493 FOP_COND_PS(ult, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status),
3494 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status) || float32_lt_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3495 FOP_COND_PS(ole, float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status),
3496 float32_le_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3497 FOP_COND_PS(ule, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status),
3498 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status) || float32_le_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3499 /* NOTE: the comma operator will make "cond" to eval to false,
3500 * but float32_unordered() is still called. */
3501 FOP_COND_PS(sf, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status), 0),
3502 (float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status), 0))
3503 FOP_COND_PS(ngle,float32_unordered(fst1, fst0, &env->active_fpu.fp_status),
3504 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status))
3505 FOP_COND_PS(seq, float32_eq(fst0, fst1, &env->active_fpu.fp_status),
3506 float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
3507 FOP_COND_PS(ngl, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_eq(fst0, fst1, &env->active_fpu.fp_status),
3508 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status) || float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
3509 FOP_COND_PS(lt, float32_lt(fst0, fst1, &env->active_fpu.fp_status),
3510 float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
3511 FOP_COND_PS(nge, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_lt(fst0, fst1, &env->active_fpu.fp_status),
3512 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status) || float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
3513 FOP_COND_PS(le, float32_le(fst0, fst1, &env->active_fpu.fp_status),
3514 float32_le(fsth0, fsth1, &env->active_fpu.fp_status))
3515 FOP_COND_PS(ngt, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_le(fst0, fst1, &env->active_fpu.fp_status),
3516 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status) || float32_le(fsth0, fsth1, &env->active_fpu.fp_status))
3518 /* R6 compare operations */
3519 #define FOP_CONDN_D(op, cond) \
3520 uint64_t helper_r6_cmp_d_ ## op(CPUMIPSState * env, uint64_t fdt0, \
3525 update_fcr31(env, GETPC()); \
3533 /* NOTE: the comma operator will make "cond" to eval to false,
3534 * but float64_unordered_quiet() is still called. */
3535 FOP_CONDN_D(af, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status), 0))
3536 FOP_CONDN_D(un, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status)))
3537 FOP_CONDN_D(eq, (float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
3538 FOP_CONDN_D(ueq, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status)
3539 || float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
3540 FOP_CONDN_D(lt, (float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
3541 FOP_CONDN_D(ult, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status)
3542 || float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
3543 FOP_CONDN_D(le, (float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
3544 FOP_CONDN_D(ule, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status)
3545 || float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
3546 /* NOTE: the comma operator will make "cond" to eval to false,
3547 * but float64_unordered() is still called. */
3548 FOP_CONDN_D(saf, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status), 0))
3549 FOP_CONDN_D(sun, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status)))
3550 FOP_CONDN_D(seq, (float64_eq(fdt0, fdt1, &env->active_fpu.fp_status)))
3551 FOP_CONDN_D(sueq, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status)
3552 || float64_eq(fdt0, fdt1, &env->active_fpu.fp_status)))
3553 FOP_CONDN_D(slt, (float64_lt(fdt0, fdt1, &env->active_fpu.fp_status)))
3554 FOP_CONDN_D(sult, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status)
3555 || float64_lt(fdt0, fdt1, &env->active_fpu.fp_status)))
3556 FOP_CONDN_D(sle, (float64_le(fdt0, fdt1, &env->active_fpu.fp_status)))
3557 FOP_CONDN_D(sule, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status)
3558 || float64_le(fdt0, fdt1, &env->active_fpu.fp_status)))
3559 FOP_CONDN_D(or, (float64_le_quiet(fdt1, fdt0, &env->active_fpu.fp_status)
3560 || float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
3561 FOP_CONDN_D(une, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status)
3562 || float64_lt_quiet(fdt1, fdt0, &env->active_fpu.fp_status)
3563 || float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
3564 FOP_CONDN_D(ne, (float64_lt_quiet(fdt1, fdt0, &env->active_fpu.fp_status)
3565 || float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
3566 FOP_CONDN_D(sor, (float64_le(fdt1, fdt0, &env->active_fpu.fp_status)
3567 || float64_le(fdt0, fdt1, &env->active_fpu.fp_status)))
3568 FOP_CONDN_D(sune, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status)
3569 || float64_lt(fdt1, fdt0, &env->active_fpu.fp_status)
3570 || float64_lt(fdt0, fdt1, &env->active_fpu.fp_status)))
3571 FOP_CONDN_D(sne, (float64_lt(fdt1, fdt0, &env->active_fpu.fp_status)
3572 || float64_lt(fdt0, fdt1, &env->active_fpu.fp_status)))
3574 #define FOP_CONDN_S(op, cond) \
3575 uint32_t helper_r6_cmp_s_ ## op(CPUMIPSState * env, uint32_t fst0, \
3580 update_fcr31(env, GETPC()); \
3588 /* NOTE: the comma operator will make "cond" to eval to false,
3589 * but float32_unordered_quiet() is still called. */
3590 FOP_CONDN_S(af, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status), 0))
3591 FOP_CONDN_S(un, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status)))
3592 FOP_CONDN_S(eq, (float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status)))
3593 FOP_CONDN_S(ueq, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status)
3594 || float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status)))
3595 FOP_CONDN_S(lt, (float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status)))
3596 FOP_CONDN_S(ult, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status)
3597 || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status)))
3598 FOP_CONDN_S(le, (float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status)))
3599 FOP_CONDN_S(ule, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status)
3600 || float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status)))
3601 /* NOTE: the comma operator will make "cond" to eval to false,
3602 * but float32_unordered() is still called. */
3603 FOP_CONDN_S(saf, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status), 0))
3604 FOP_CONDN_S(sun, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status)))
3605 FOP_CONDN_S(seq, (float32_eq(fst0, fst1, &env->active_fpu.fp_status)))
3606 FOP_CONDN_S(sueq, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status)
3607 || float32_eq(fst0, fst1, &env->active_fpu.fp_status)))
3608 FOP_CONDN_S(slt, (float32_lt(fst0, fst1, &env->active_fpu.fp_status)))
3609 FOP_CONDN_S(sult, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status)
3610 || float32_lt(fst0, fst1, &env->active_fpu.fp_status)))
3611 FOP_CONDN_S(sle, (float32_le(fst0, fst1, &env->active_fpu.fp_status)))
3612 FOP_CONDN_S(sule, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status)
3613 || float32_le(fst0, fst1, &env->active_fpu.fp_status)))
3614 FOP_CONDN_S(or, (float32_le_quiet(fst1, fst0, &env->active_fpu.fp_status)
3615 || float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status)))
3616 FOP_CONDN_S(une, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status)
3617 || float32_lt_quiet(fst1, fst0, &env->active_fpu.fp_status)
3618 || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status)))
3619 FOP_CONDN_S(ne, (float32_lt_quiet(fst1, fst0, &env->active_fpu.fp_status)
3620 || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status)))
3621 FOP_CONDN_S(sor, (float32_le(fst1, fst0, &env->active_fpu.fp_status)
3622 || float32_le(fst0, fst1, &env->active_fpu.fp_status)))
3623 FOP_CONDN_S(sune, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status)
3624 || float32_lt(fst1, fst0, &env->active_fpu.fp_status)
3625 || float32_lt(fst0, fst1, &env->active_fpu.fp_status)))
3626 FOP_CONDN_S(sne, (float32_lt(fst1, fst0, &env->active_fpu.fp_status)
3627 || float32_lt(fst0, fst1, &env->active_fpu.fp_status)))
3630 /* Data format min and max values */
3631 #define DF_BITS(df) (1 << ((df) + 3))
3633 /* Element-by-element access macros */
3634 #define DF_ELEMENTS(df) (MSA_WRLEN / DF_BITS(df))
3636 void helper_msa_ld_df(CPUMIPSState *env, uint32_t df, uint32_t wd, uint32_t rs,
3639 wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
3640 target_ulong addr = env->active_tc.gpr[rs] + (s10 << df);
3645 for (i = 0; i < DF_ELEMENTS(DF_BYTE); i++) {
3646 pwd->b[i] = do_lbu(env, addr + (i << DF_BYTE),
3647 env->hflags & MIPS_HFLAG_KSU);
3651 for (i = 0; i < DF_ELEMENTS(DF_HALF); i++) {
3652 pwd->h[i] = do_lhu(env, addr + (i << DF_HALF),
3653 env->hflags & MIPS_HFLAG_KSU);
3657 for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) {
3658 pwd->w[i] = do_lw(env, addr + (i << DF_WORD),
3659 env->hflags & MIPS_HFLAG_KSU);
3663 for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) {
3664 pwd->d[i] = do_ld(env, addr + (i << DF_DOUBLE),
3665 env->hflags & MIPS_HFLAG_KSU);
3671 void helper_msa_st_df(CPUMIPSState *env, uint32_t df, uint32_t wd, uint32_t rs,
3674 wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
3675 target_ulong addr = env->active_tc.gpr[rs] + (s10 << df);
3680 for (i = 0; i < DF_ELEMENTS(DF_BYTE); i++) {
3681 do_sb(env, addr + (i << DF_BYTE), pwd->b[i],
3682 env->hflags & MIPS_HFLAG_KSU);
3686 for (i = 0; i < DF_ELEMENTS(DF_HALF); i++) {
3687 do_sh(env, addr + (i << DF_HALF), pwd->h[i],
3688 env->hflags & MIPS_HFLAG_KSU);
3692 for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) {
3693 do_sw(env, addr + (i << DF_WORD), pwd->w[i],
3694 env->hflags & MIPS_HFLAG_KSU);
3698 for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) {
3699 do_sd(env, addr + (i << DF_DOUBLE), pwd->d[i],
3700 env->hflags & MIPS_HFLAG_KSU);