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_mask(CPU_LOG_INT, "%s: %d %d\n",
42 __func__, exception, error_code);
44 cs->exception_index = exception;
45 env->error_code = error_code;
48 /* now we have a real cpu fault */
49 cpu_restore_state(cs, pc);
55 static inline void QEMU_NORETURN do_raise_exception(CPUMIPSState *env,
59 do_raise_exception_err(env, exception, 0, pc);
62 void helper_raise_exception_err(CPUMIPSState *env, uint32_t exception,
65 do_raise_exception_err(env, exception, error_code, 0);
68 void helper_raise_exception(CPUMIPSState *env, uint32_t exception)
70 do_raise_exception(env, exception, 0);
73 #if defined(CONFIG_USER_ONLY)
74 #define HELPER_LD(name, insn, type) \
75 static inline type do_##name(CPUMIPSState *env, target_ulong addr, \
78 return (type) cpu_##insn##_data(env, addr); \
81 #define HELPER_LD(name, insn, type) \
82 static inline type do_##name(CPUMIPSState *env, target_ulong addr, \
87 case 0: return (type) cpu_##insn##_kernel(env, addr); break; \
88 case 1: return (type) cpu_##insn##_super(env, addr); break; \
90 case 2: return (type) cpu_##insn##_user(env, addr); break; \
94 HELPER_LD(lw, ldl, int32_t)
95 #if defined(TARGET_MIPS64)
96 HELPER_LD(ld, ldq, int64_t)
100 #if defined(CONFIG_USER_ONLY)
101 #define HELPER_ST(name, insn, type) \
102 static inline void do_##name(CPUMIPSState *env, target_ulong addr, \
103 type val, int mem_idx) \
105 cpu_##insn##_data(env, addr, val); \
108 #define HELPER_ST(name, insn, type) \
109 static inline void do_##name(CPUMIPSState *env, target_ulong addr, \
110 type val, int mem_idx) \
114 case 0: cpu_##insn##_kernel(env, addr, val); break; \
115 case 1: cpu_##insn##_super(env, addr, val); break; \
117 case 2: cpu_##insn##_user(env, addr, val); break; \
121 HELPER_ST(sb, stb, uint8_t)
122 HELPER_ST(sw, stl, uint32_t)
123 #if defined(TARGET_MIPS64)
124 HELPER_ST(sd, stq, uint64_t)
128 target_ulong helper_clo (target_ulong arg1)
133 target_ulong helper_clz (target_ulong arg1)
138 #if defined(TARGET_MIPS64)
139 target_ulong helper_dclo (target_ulong arg1)
144 target_ulong helper_dclz (target_ulong arg1)
148 #endif /* TARGET_MIPS64 */
150 /* 64 bits arithmetic for 32 bits hosts */
151 static inline uint64_t get_HILO(CPUMIPSState *env)
153 return ((uint64_t)(env->active_tc.HI[0]) << 32) | (uint32_t)env->active_tc.LO[0];
156 static inline target_ulong set_HIT0_LO(CPUMIPSState *env, uint64_t HILO)
159 env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF);
160 tmp = env->active_tc.HI[0] = (int32_t)(HILO >> 32);
164 static inline target_ulong set_HI_LOT0(CPUMIPSState *env, uint64_t HILO)
166 target_ulong tmp = env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF);
167 env->active_tc.HI[0] = (int32_t)(HILO >> 32);
171 /* Multiplication variants of the vr54xx. */
172 target_ulong helper_muls(CPUMIPSState *env, target_ulong arg1,
175 return set_HI_LOT0(env, 0 - ((int64_t)(int32_t)arg1 *
176 (int64_t)(int32_t)arg2));
179 target_ulong helper_mulsu(CPUMIPSState *env, target_ulong arg1,
182 return set_HI_LOT0(env, 0 - (uint64_t)(uint32_t)arg1 *
183 (uint64_t)(uint32_t)arg2);
186 target_ulong helper_macc(CPUMIPSState *env, target_ulong arg1,
189 return set_HI_LOT0(env, (int64_t)get_HILO(env) + (int64_t)(int32_t)arg1 *
190 (int64_t)(int32_t)arg2);
193 target_ulong helper_macchi(CPUMIPSState *env, target_ulong arg1,
196 return set_HIT0_LO(env, (int64_t)get_HILO(env) + (int64_t)(int32_t)arg1 *
197 (int64_t)(int32_t)arg2);
200 target_ulong helper_maccu(CPUMIPSState *env, target_ulong arg1,
203 return set_HI_LOT0(env, (uint64_t)get_HILO(env) +
204 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
207 target_ulong helper_macchiu(CPUMIPSState *env, target_ulong arg1,
210 return set_HIT0_LO(env, (uint64_t)get_HILO(env) +
211 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
214 target_ulong helper_msac(CPUMIPSState *env, target_ulong arg1,
217 return set_HI_LOT0(env, (int64_t)get_HILO(env) - (int64_t)(int32_t)arg1 *
218 (int64_t)(int32_t)arg2);
221 target_ulong helper_msachi(CPUMIPSState *env, target_ulong arg1,
224 return set_HIT0_LO(env, (int64_t)get_HILO(env) - (int64_t)(int32_t)arg1 *
225 (int64_t)(int32_t)arg2);
228 target_ulong helper_msacu(CPUMIPSState *env, target_ulong arg1,
231 return set_HI_LOT0(env, (uint64_t)get_HILO(env) -
232 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
235 target_ulong helper_msachiu(CPUMIPSState *env, target_ulong arg1,
238 return set_HIT0_LO(env, (uint64_t)get_HILO(env) -
239 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
242 target_ulong helper_mulhi(CPUMIPSState *env, target_ulong arg1,
245 return set_HIT0_LO(env, (int64_t)(int32_t)arg1 * (int64_t)(int32_t)arg2);
248 target_ulong helper_mulhiu(CPUMIPSState *env, target_ulong arg1,
251 return set_HIT0_LO(env, (uint64_t)(uint32_t)arg1 *
252 (uint64_t)(uint32_t)arg2);
255 target_ulong helper_mulshi(CPUMIPSState *env, target_ulong arg1,
258 return set_HIT0_LO(env, 0 - (int64_t)(int32_t)arg1 *
259 (int64_t)(int32_t)arg2);
262 target_ulong helper_mulshiu(CPUMIPSState *env, target_ulong arg1,
265 return set_HIT0_LO(env, 0 - (uint64_t)(uint32_t)arg1 *
266 (uint64_t)(uint32_t)arg2);
269 static inline target_ulong bitswap(target_ulong v)
271 v = ((v >> 1) & (target_ulong)0x5555555555555555ULL) |
272 ((v & (target_ulong)0x5555555555555555ULL) << 1);
273 v = ((v >> 2) & (target_ulong)0x3333333333333333ULL) |
274 ((v & (target_ulong)0x3333333333333333ULL) << 2);
275 v = ((v >> 4) & (target_ulong)0x0F0F0F0F0F0F0F0FULL) |
276 ((v & (target_ulong)0x0F0F0F0F0F0F0F0FULL) << 4);
281 target_ulong helper_dbitswap(target_ulong rt)
287 target_ulong helper_bitswap(target_ulong rt)
289 return (int32_t)bitswap(rt);
292 #ifndef CONFIG_USER_ONLY
294 static inline hwaddr do_translate_address(CPUMIPSState *env,
295 target_ulong address,
300 lladdr = cpu_mips_translate_address(env, address, rw);
302 if (lladdr == -1LL) {
303 cpu_loop_exit(CPU(mips_env_get_cpu(env)));
309 #define HELPER_LD_ATOMIC(name, insn, almask) \
310 target_ulong helper_##name(CPUMIPSState *env, target_ulong arg, int mem_idx) \
312 if (arg & almask) { \
313 env->CP0_BadVAddr = arg; \
314 helper_raise_exception(env, EXCP_AdEL); \
316 env->lladdr = do_translate_address(env, arg, 0); \
317 env->llval = do_##insn(env, arg, mem_idx); \
320 HELPER_LD_ATOMIC(ll, lw, 0x3)
322 HELPER_LD_ATOMIC(lld, ld, 0x7)
324 #undef HELPER_LD_ATOMIC
326 #define HELPER_ST_ATOMIC(name, ld_insn, st_insn, almask) \
327 target_ulong helper_##name(CPUMIPSState *env, target_ulong arg1, \
328 target_ulong arg2, int mem_idx) \
332 if (arg2 & almask) { \
333 env->CP0_BadVAddr = arg2; \
334 helper_raise_exception(env, EXCP_AdES); \
336 if (do_translate_address(env, arg2, 1) == env->lladdr) { \
337 tmp = do_##ld_insn(env, arg2, mem_idx); \
338 if (tmp == env->llval) { \
339 do_##st_insn(env, arg2, arg1, mem_idx); \
345 HELPER_ST_ATOMIC(sc, lw, sw, 0x3)
347 HELPER_ST_ATOMIC(scd, ld, sd, 0x7)
349 #undef HELPER_ST_ATOMIC
352 #ifdef TARGET_WORDS_BIGENDIAN
353 #define GET_LMASK(v) ((v) & 3)
354 #define GET_OFFSET(addr, offset) (addr + (offset))
356 #define GET_LMASK(v) (((v) & 3) ^ 3)
357 #define GET_OFFSET(addr, offset) (addr - (offset))
360 void helper_swl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
363 do_sb(env, arg2, (uint8_t)(arg1 >> 24), mem_idx);
365 if (GET_LMASK(arg2) <= 2)
366 do_sb(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 16), mem_idx);
368 if (GET_LMASK(arg2) <= 1)
369 do_sb(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 8), mem_idx);
371 if (GET_LMASK(arg2) == 0)
372 do_sb(env, GET_OFFSET(arg2, 3), (uint8_t)arg1, mem_idx);
375 void helper_swr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
378 do_sb(env, arg2, (uint8_t)arg1, mem_idx);
380 if (GET_LMASK(arg2) >= 1)
381 do_sb(env, GET_OFFSET(arg2, -1), (uint8_t)(arg1 >> 8), mem_idx);
383 if (GET_LMASK(arg2) >= 2)
384 do_sb(env, GET_OFFSET(arg2, -2), (uint8_t)(arg1 >> 16), mem_idx);
386 if (GET_LMASK(arg2) == 3)
387 do_sb(env, GET_OFFSET(arg2, -3), (uint8_t)(arg1 >> 24), mem_idx);
390 #if defined(TARGET_MIPS64)
391 /* "half" load and stores. We must do the memory access inline,
392 or fault handling won't work. */
394 #ifdef TARGET_WORDS_BIGENDIAN
395 #define GET_LMASK64(v) ((v) & 7)
397 #define GET_LMASK64(v) (((v) & 7) ^ 7)
400 void helper_sdl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
403 do_sb(env, arg2, (uint8_t)(arg1 >> 56), mem_idx);
405 if (GET_LMASK64(arg2) <= 6)
406 do_sb(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 48), mem_idx);
408 if (GET_LMASK64(arg2) <= 5)
409 do_sb(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 40), mem_idx);
411 if (GET_LMASK64(arg2) <= 4)
412 do_sb(env, GET_OFFSET(arg2, 3), (uint8_t)(arg1 >> 32), mem_idx);
414 if (GET_LMASK64(arg2) <= 3)
415 do_sb(env, GET_OFFSET(arg2, 4), (uint8_t)(arg1 >> 24), mem_idx);
417 if (GET_LMASK64(arg2) <= 2)
418 do_sb(env, GET_OFFSET(arg2, 5), (uint8_t)(arg1 >> 16), mem_idx);
420 if (GET_LMASK64(arg2) <= 1)
421 do_sb(env, GET_OFFSET(arg2, 6), (uint8_t)(arg1 >> 8), mem_idx);
423 if (GET_LMASK64(arg2) <= 0)
424 do_sb(env, GET_OFFSET(arg2, 7), (uint8_t)arg1, mem_idx);
427 void helper_sdr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
430 do_sb(env, arg2, (uint8_t)arg1, mem_idx);
432 if (GET_LMASK64(arg2) >= 1)
433 do_sb(env, GET_OFFSET(arg2, -1), (uint8_t)(arg1 >> 8), mem_idx);
435 if (GET_LMASK64(arg2) >= 2)
436 do_sb(env, GET_OFFSET(arg2, -2), (uint8_t)(arg1 >> 16), mem_idx);
438 if (GET_LMASK64(arg2) >= 3)
439 do_sb(env, GET_OFFSET(arg2, -3), (uint8_t)(arg1 >> 24), mem_idx);
441 if (GET_LMASK64(arg2) >= 4)
442 do_sb(env, GET_OFFSET(arg2, -4), (uint8_t)(arg1 >> 32), mem_idx);
444 if (GET_LMASK64(arg2) >= 5)
445 do_sb(env, GET_OFFSET(arg2, -5), (uint8_t)(arg1 >> 40), mem_idx);
447 if (GET_LMASK64(arg2) >= 6)
448 do_sb(env, GET_OFFSET(arg2, -6), (uint8_t)(arg1 >> 48), mem_idx);
450 if (GET_LMASK64(arg2) == 7)
451 do_sb(env, GET_OFFSET(arg2, -7), (uint8_t)(arg1 >> 56), mem_idx);
453 #endif /* TARGET_MIPS64 */
455 static const int multiple_regs[] = { 16, 17, 18, 19, 20, 21, 22, 23, 30 };
457 void helper_lwm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
460 target_ulong base_reglist = reglist & 0xf;
461 target_ulong do_r31 = reglist & 0x10;
463 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
466 for (i = 0; i < base_reglist; i++) {
467 env->active_tc.gpr[multiple_regs[i]] =
468 (target_long)do_lw(env, addr, mem_idx);
474 env->active_tc.gpr[31] = (target_long)do_lw(env, addr, mem_idx);
478 void helper_swm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
481 target_ulong base_reglist = reglist & 0xf;
482 target_ulong do_r31 = reglist & 0x10;
484 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
487 for (i = 0; i < base_reglist; i++) {
488 do_sw(env, addr, env->active_tc.gpr[multiple_regs[i]], mem_idx);
494 do_sw(env, addr, env->active_tc.gpr[31], mem_idx);
498 #if defined(TARGET_MIPS64)
499 void helper_ldm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
502 target_ulong base_reglist = reglist & 0xf;
503 target_ulong do_r31 = reglist & 0x10;
505 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
508 for (i = 0; i < base_reglist; i++) {
509 env->active_tc.gpr[multiple_regs[i]] = do_ld(env, addr, mem_idx);
515 env->active_tc.gpr[31] = do_ld(env, addr, mem_idx);
519 void helper_sdm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
522 target_ulong base_reglist = reglist & 0xf;
523 target_ulong do_r31 = reglist & 0x10;
525 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
528 for (i = 0; i < base_reglist; i++) {
529 do_sd(env, addr, env->active_tc.gpr[multiple_regs[i]], mem_idx);
535 do_sd(env, addr, env->active_tc.gpr[31], mem_idx);
540 #ifndef CONFIG_USER_ONLY
542 static bool mips_vpe_is_wfi(MIPSCPU *c)
544 CPUState *cpu = CPU(c);
545 CPUMIPSState *env = &c->env;
547 /* If the VPE is halted but otherwise active, it means it's waiting for
549 return cpu->halted && mips_vpe_active(env);
552 static inline void mips_vpe_wake(MIPSCPU *c)
554 /* Dont set ->halted = 0 directly, let it be done via cpu_has_work
555 because there might be other conditions that state that c should
557 cpu_interrupt(CPU(c), CPU_INTERRUPT_WAKE);
560 static inline void mips_vpe_sleep(MIPSCPU *cpu)
562 CPUState *cs = CPU(cpu);
564 /* The VPE was shut off, really go to bed.
565 Reset any old _WAKE requests. */
567 cpu_reset_interrupt(cs, CPU_INTERRUPT_WAKE);
570 static inline void mips_tc_wake(MIPSCPU *cpu, int tc)
572 CPUMIPSState *c = &cpu->env;
574 /* FIXME: TC reschedule. */
575 if (mips_vpe_active(c) && !mips_vpe_is_wfi(cpu)) {
580 static inline void mips_tc_sleep(MIPSCPU *cpu, int tc)
582 CPUMIPSState *c = &cpu->env;
584 /* FIXME: TC reschedule. */
585 if (!mips_vpe_active(c)) {
592 * @env: CPU from which mapping is performed.
593 * @tc: Should point to an int with the value of the global TC index.
595 * This function will transform @tc into a local index within the
596 * returned #CPUMIPSState.
598 /* FIXME: This code assumes that all VPEs have the same number of TCs,
599 which depends on runtime setup. Can probably be fixed by
600 walking the list of CPUMIPSStates. */
601 static CPUMIPSState *mips_cpu_map_tc(CPUMIPSState *env, int *tc)
609 if (!(env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP))) {
610 /* Not allowed to address other CPUs. */
611 *tc = env->current_tc;
615 cs = CPU(mips_env_get_cpu(env));
616 vpe_idx = tc_idx / cs->nr_threads;
617 *tc = tc_idx % cs->nr_threads;
618 other_cs = qemu_get_cpu(vpe_idx);
619 if (other_cs == NULL) {
622 cpu = MIPS_CPU(other_cs);
626 /* The per VPE CP0_Status register shares some fields with the per TC
627 CP0_TCStatus registers. These fields are wired to the same registers,
628 so changes to either of them should be reflected on both registers.
630 Also, EntryHi shares the bottom 8 bit ASID with TCStauts.
632 These helper call synchronizes the regs for a given cpu. */
634 /* Called for updates to CP0_Status. Defined in "cpu.h" for gdbstub.c. */
635 /* static inline void sync_c0_status(CPUMIPSState *env, CPUMIPSState *cpu,
638 /* Called for updates to CP0_TCStatus. */
639 static void sync_c0_tcstatus(CPUMIPSState *cpu, int tc,
643 uint32_t tcu, tmx, tasid, tksu;
644 uint32_t mask = ((1U << CP0St_CU3)
651 tcu = (v >> CP0TCSt_TCU0) & 0xf;
652 tmx = (v >> CP0TCSt_TMX) & 0x1;
654 tksu = (v >> CP0TCSt_TKSU) & 0x3;
656 status = tcu << CP0St_CU0;
657 status |= tmx << CP0St_MX;
658 status |= tksu << CP0St_KSU;
660 cpu->CP0_Status &= ~mask;
661 cpu->CP0_Status |= status;
663 /* Sync the TASID with EntryHi. */
664 cpu->CP0_EntryHi &= ~0xff;
665 cpu->CP0_EntryHi |= tasid;
670 /* Called for updates to CP0_EntryHi. */
671 static void sync_c0_entryhi(CPUMIPSState *cpu, int tc)
674 uint32_t asid, v = cpu->CP0_EntryHi;
678 if (tc == cpu->current_tc) {
679 tcst = &cpu->active_tc.CP0_TCStatus;
681 tcst = &cpu->tcs[tc].CP0_TCStatus;
689 target_ulong helper_mfc0_mvpcontrol(CPUMIPSState *env)
691 return env->mvp->CP0_MVPControl;
694 target_ulong helper_mfc0_mvpconf0(CPUMIPSState *env)
696 return env->mvp->CP0_MVPConf0;
699 target_ulong helper_mfc0_mvpconf1(CPUMIPSState *env)
701 return env->mvp->CP0_MVPConf1;
704 target_ulong helper_mfc0_random(CPUMIPSState *env)
706 return (int32_t)cpu_mips_get_random(env);
709 target_ulong helper_mfc0_tcstatus(CPUMIPSState *env)
711 return env->active_tc.CP0_TCStatus;
714 target_ulong helper_mftc0_tcstatus(CPUMIPSState *env)
716 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
717 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
719 if (other_tc == other->current_tc)
720 return other->active_tc.CP0_TCStatus;
722 return other->tcs[other_tc].CP0_TCStatus;
725 target_ulong helper_mfc0_tcbind(CPUMIPSState *env)
727 return env->active_tc.CP0_TCBind;
730 target_ulong helper_mftc0_tcbind(CPUMIPSState *env)
732 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
733 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
735 if (other_tc == other->current_tc)
736 return other->active_tc.CP0_TCBind;
738 return other->tcs[other_tc].CP0_TCBind;
741 target_ulong helper_mfc0_tcrestart(CPUMIPSState *env)
743 return env->active_tc.PC;
746 target_ulong helper_mftc0_tcrestart(CPUMIPSState *env)
748 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
749 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
751 if (other_tc == other->current_tc)
752 return other->active_tc.PC;
754 return other->tcs[other_tc].PC;
757 target_ulong helper_mfc0_tchalt(CPUMIPSState *env)
759 return env->active_tc.CP0_TCHalt;
762 target_ulong helper_mftc0_tchalt(CPUMIPSState *env)
764 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
765 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
767 if (other_tc == other->current_tc)
768 return other->active_tc.CP0_TCHalt;
770 return other->tcs[other_tc].CP0_TCHalt;
773 target_ulong helper_mfc0_tccontext(CPUMIPSState *env)
775 return env->active_tc.CP0_TCContext;
778 target_ulong helper_mftc0_tccontext(CPUMIPSState *env)
780 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
781 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
783 if (other_tc == other->current_tc)
784 return other->active_tc.CP0_TCContext;
786 return other->tcs[other_tc].CP0_TCContext;
789 target_ulong helper_mfc0_tcschedule(CPUMIPSState *env)
791 return env->active_tc.CP0_TCSchedule;
794 target_ulong helper_mftc0_tcschedule(CPUMIPSState *env)
796 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
797 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
799 if (other_tc == other->current_tc)
800 return other->active_tc.CP0_TCSchedule;
802 return other->tcs[other_tc].CP0_TCSchedule;
805 target_ulong helper_mfc0_tcschefback(CPUMIPSState *env)
807 return env->active_tc.CP0_TCScheFBack;
810 target_ulong helper_mftc0_tcschefback(CPUMIPSState *env)
812 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
813 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
815 if (other_tc == other->current_tc)
816 return other->active_tc.CP0_TCScheFBack;
818 return other->tcs[other_tc].CP0_TCScheFBack;
821 target_ulong helper_mfc0_count(CPUMIPSState *env)
823 return (int32_t)cpu_mips_get_count(env);
826 target_ulong helper_mftc0_entryhi(CPUMIPSState *env)
828 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
829 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
831 return other->CP0_EntryHi;
834 target_ulong helper_mftc0_cause(CPUMIPSState *env)
836 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 tccause = other->CP0_Cause;
843 tccause = other->CP0_Cause;
849 target_ulong helper_mftc0_status(CPUMIPSState *env)
851 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
852 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
854 return other->CP0_Status;
857 target_ulong helper_mfc0_lladdr(CPUMIPSState *env)
859 return (int32_t)(env->lladdr >> env->CP0_LLAddr_shift);
862 target_ulong helper_mfc0_watchlo(CPUMIPSState *env, uint32_t sel)
864 return (int32_t)env->CP0_WatchLo[sel];
867 target_ulong helper_mfc0_watchhi(CPUMIPSState *env, uint32_t sel)
869 return env->CP0_WatchHi[sel];
872 target_ulong helper_mfc0_debug(CPUMIPSState *env)
874 target_ulong t0 = env->CP0_Debug;
875 if (env->hflags & MIPS_HFLAG_DM)
881 target_ulong helper_mftc0_debug(CPUMIPSState *env)
883 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
885 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
887 if (other_tc == other->current_tc)
888 tcstatus = other->active_tc.CP0_Debug_tcstatus;
890 tcstatus = other->tcs[other_tc].CP0_Debug_tcstatus;
892 /* XXX: Might be wrong, check with EJTAG spec. */
893 return (other->CP0_Debug & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) |
894 (tcstatus & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt)));
897 #if defined(TARGET_MIPS64)
898 target_ulong helper_dmfc0_tcrestart(CPUMIPSState *env)
900 return env->active_tc.PC;
903 target_ulong helper_dmfc0_tchalt(CPUMIPSState *env)
905 return env->active_tc.CP0_TCHalt;
908 target_ulong helper_dmfc0_tccontext(CPUMIPSState *env)
910 return env->active_tc.CP0_TCContext;
913 target_ulong helper_dmfc0_tcschedule(CPUMIPSState *env)
915 return env->active_tc.CP0_TCSchedule;
918 target_ulong helper_dmfc0_tcschefback(CPUMIPSState *env)
920 return env->active_tc.CP0_TCScheFBack;
923 target_ulong helper_dmfc0_lladdr(CPUMIPSState *env)
925 return env->lladdr >> env->CP0_LLAddr_shift;
928 target_ulong helper_dmfc0_watchlo(CPUMIPSState *env, uint32_t sel)
930 return env->CP0_WatchLo[sel];
932 #endif /* TARGET_MIPS64 */
934 void helper_mtc0_index(CPUMIPSState *env, target_ulong arg1)
936 uint32_t index_p = env->CP0_Index & 0x80000000;
937 uint32_t tlb_index = arg1 & 0x7fffffff;
938 if (tlb_index < env->tlb->nb_tlb) {
939 if (env->insn_flags & ISA_MIPS32R6) {
940 index_p |= arg1 & 0x80000000;
942 env->CP0_Index = index_p | tlb_index;
946 void helper_mtc0_mvpcontrol(CPUMIPSState *env, target_ulong arg1)
951 if (env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP))
952 mask |= (1 << CP0MVPCo_CPA) | (1 << CP0MVPCo_VPC) |
954 if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
955 mask |= (1 << CP0MVPCo_STLB);
956 newval = (env->mvp->CP0_MVPControl & ~mask) | (arg1 & mask);
958 // TODO: Enable/disable shared TLB, enable/disable VPEs.
960 env->mvp->CP0_MVPControl = newval;
963 void helper_mtc0_vpecontrol(CPUMIPSState *env, target_ulong arg1)
968 mask = (1 << CP0VPECo_YSI) | (1 << CP0VPECo_GSI) |
969 (1 << CP0VPECo_TE) | (0xff << CP0VPECo_TargTC);
970 newval = (env->CP0_VPEControl & ~mask) | (arg1 & mask);
972 /* Yield scheduler intercept not implemented. */
973 /* Gating storage scheduler intercept not implemented. */
975 // TODO: Enable/disable TCs.
977 env->CP0_VPEControl = newval;
980 void helper_mttc0_vpecontrol(CPUMIPSState *env, target_ulong arg1)
982 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
983 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
987 mask = (1 << CP0VPECo_YSI) | (1 << CP0VPECo_GSI) |
988 (1 << CP0VPECo_TE) | (0xff << CP0VPECo_TargTC);
989 newval = (other->CP0_VPEControl & ~mask) | (arg1 & mask);
991 /* TODO: Enable/disable TCs. */
993 other->CP0_VPEControl = newval;
996 target_ulong helper_mftc0_vpecontrol(CPUMIPSState *env)
998 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
999 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1000 /* FIXME: Mask away return zero on read bits. */
1001 return other->CP0_VPEControl;
1004 target_ulong helper_mftc0_vpeconf0(CPUMIPSState *env)
1006 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1007 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1009 return other->CP0_VPEConf0;
1012 void helper_mtc0_vpeconf0(CPUMIPSState *env, target_ulong arg1)
1017 if (env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) {
1018 if (env->CP0_VPEConf0 & (1 << CP0VPEC0_VPA))
1019 mask |= (0xff << CP0VPEC0_XTC);
1020 mask |= (1 << CP0VPEC0_MVP) | (1 << CP0VPEC0_VPA);
1022 newval = (env->CP0_VPEConf0 & ~mask) | (arg1 & mask);
1024 // TODO: TC exclusive handling due to ERL/EXL.
1026 env->CP0_VPEConf0 = newval;
1029 void helper_mttc0_vpeconf0(CPUMIPSState *env, target_ulong arg1)
1031 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1032 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1036 mask |= (1 << CP0VPEC0_MVP) | (1 << CP0VPEC0_VPA);
1037 newval = (other->CP0_VPEConf0 & ~mask) | (arg1 & mask);
1039 /* TODO: TC exclusive handling due to ERL/EXL. */
1040 other->CP0_VPEConf0 = newval;
1043 void helper_mtc0_vpeconf1(CPUMIPSState *env, target_ulong arg1)
1048 if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1049 mask |= (0xff << CP0VPEC1_NCX) | (0xff << CP0VPEC1_NCP2) |
1050 (0xff << CP0VPEC1_NCP1);
1051 newval = (env->CP0_VPEConf1 & ~mask) | (arg1 & mask);
1053 /* UDI not implemented. */
1054 /* CP2 not implemented. */
1056 // TODO: Handle FPU (CP1) binding.
1058 env->CP0_VPEConf1 = newval;
1061 void helper_mtc0_yqmask(CPUMIPSState *env, target_ulong arg1)
1063 /* Yield qualifier inputs not implemented. */
1064 env->CP0_YQMask = 0x00000000;
1067 void helper_mtc0_vpeopt(CPUMIPSState *env, target_ulong arg1)
1069 env->CP0_VPEOpt = arg1 & 0x0000ffff;
1072 #define MTC0_ENTRYLO_MASK(env) ((env->PAMask >> 6) & 0x3FFFFFFF)
1074 void helper_mtc0_entrylo0(CPUMIPSState *env, target_ulong arg1)
1076 /* 1k pages not implemented */
1077 target_ulong rxi = arg1 & (env->CP0_PageGrain & (3u << CP0PG_XIE));
1078 env->CP0_EntryLo0 = (arg1 & MTC0_ENTRYLO_MASK(env))
1079 | (rxi << (CP0EnLo_XI - 30));
1082 #if defined(TARGET_MIPS64)
1083 #define DMTC0_ENTRYLO_MASK(env) (env->PAMask >> 6)
1085 void helper_dmtc0_entrylo0(CPUMIPSState *env, uint64_t arg1)
1087 uint64_t rxi = arg1 & ((env->CP0_PageGrain & (3ull << CP0PG_XIE)) << 32);
1088 env->CP0_EntryLo0 = (arg1 & DMTC0_ENTRYLO_MASK(env)) | rxi;
1092 void helper_mtc0_tcstatus(CPUMIPSState *env, target_ulong arg1)
1094 uint32_t mask = env->CP0_TCStatus_rw_bitmask;
1097 newval = (env->active_tc.CP0_TCStatus & ~mask) | (arg1 & mask);
1099 env->active_tc.CP0_TCStatus = newval;
1100 sync_c0_tcstatus(env, env->current_tc, newval);
1103 void helper_mttc0_tcstatus(CPUMIPSState *env, target_ulong arg1)
1105 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1106 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1108 if (other_tc == other->current_tc)
1109 other->active_tc.CP0_TCStatus = arg1;
1111 other->tcs[other_tc].CP0_TCStatus = arg1;
1112 sync_c0_tcstatus(other, other_tc, arg1);
1115 void helper_mtc0_tcbind(CPUMIPSState *env, target_ulong arg1)
1117 uint32_t mask = (1 << CP0TCBd_TBE);
1120 if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1121 mask |= (1 << CP0TCBd_CurVPE);
1122 newval = (env->active_tc.CP0_TCBind & ~mask) | (arg1 & mask);
1123 env->active_tc.CP0_TCBind = newval;
1126 void helper_mttc0_tcbind(CPUMIPSState *env, target_ulong arg1)
1128 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1129 uint32_t mask = (1 << CP0TCBd_TBE);
1131 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1133 if (other->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1134 mask |= (1 << CP0TCBd_CurVPE);
1135 if (other_tc == other->current_tc) {
1136 newval = (other->active_tc.CP0_TCBind & ~mask) | (arg1 & mask);
1137 other->active_tc.CP0_TCBind = newval;
1139 newval = (other->tcs[other_tc].CP0_TCBind & ~mask) | (arg1 & mask);
1140 other->tcs[other_tc].CP0_TCBind = newval;
1144 void helper_mtc0_tcrestart(CPUMIPSState *env, target_ulong arg1)
1146 env->active_tc.PC = arg1;
1147 env->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
1149 /* MIPS16 not implemented. */
1152 void helper_mttc0_tcrestart(CPUMIPSState *env, target_ulong arg1)
1154 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1155 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1157 if (other_tc == other->current_tc) {
1158 other->active_tc.PC = arg1;
1159 other->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
1160 other->lladdr = 0ULL;
1161 /* MIPS16 not implemented. */
1163 other->tcs[other_tc].PC = arg1;
1164 other->tcs[other_tc].CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
1165 other->lladdr = 0ULL;
1166 /* MIPS16 not implemented. */
1170 void helper_mtc0_tchalt(CPUMIPSState *env, target_ulong arg1)
1172 MIPSCPU *cpu = mips_env_get_cpu(env);
1174 env->active_tc.CP0_TCHalt = arg1 & 0x1;
1176 // TODO: Halt TC / Restart (if allocated+active) TC.
1177 if (env->active_tc.CP0_TCHalt & 1) {
1178 mips_tc_sleep(cpu, env->current_tc);
1180 mips_tc_wake(cpu, env->current_tc);
1184 void helper_mttc0_tchalt(CPUMIPSState *env, target_ulong arg1)
1186 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1187 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1188 MIPSCPU *other_cpu = mips_env_get_cpu(other);
1190 // TODO: Halt TC / Restart (if allocated+active) TC.
1192 if (other_tc == other->current_tc)
1193 other->active_tc.CP0_TCHalt = arg1;
1195 other->tcs[other_tc].CP0_TCHalt = arg1;
1198 mips_tc_sleep(other_cpu, other_tc);
1200 mips_tc_wake(other_cpu, other_tc);
1204 void helper_mtc0_tccontext(CPUMIPSState *env, target_ulong arg1)
1206 env->active_tc.CP0_TCContext = arg1;
1209 void helper_mttc0_tccontext(CPUMIPSState *env, target_ulong arg1)
1211 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1212 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1214 if (other_tc == other->current_tc)
1215 other->active_tc.CP0_TCContext = arg1;
1217 other->tcs[other_tc].CP0_TCContext = arg1;
1220 void helper_mtc0_tcschedule(CPUMIPSState *env, target_ulong arg1)
1222 env->active_tc.CP0_TCSchedule = arg1;
1225 void helper_mttc0_tcschedule(CPUMIPSState *env, target_ulong arg1)
1227 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1228 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1230 if (other_tc == other->current_tc)
1231 other->active_tc.CP0_TCSchedule = arg1;
1233 other->tcs[other_tc].CP0_TCSchedule = arg1;
1236 void helper_mtc0_tcschefback(CPUMIPSState *env, target_ulong arg1)
1238 env->active_tc.CP0_TCScheFBack = arg1;
1241 void helper_mttc0_tcschefback(CPUMIPSState *env, target_ulong arg1)
1243 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1244 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1246 if (other_tc == other->current_tc)
1247 other->active_tc.CP0_TCScheFBack = arg1;
1249 other->tcs[other_tc].CP0_TCScheFBack = arg1;
1252 void helper_mtc0_entrylo1(CPUMIPSState *env, target_ulong arg1)
1254 /* 1k pages not implemented */
1255 target_ulong rxi = arg1 & (env->CP0_PageGrain & (3u << CP0PG_XIE));
1256 env->CP0_EntryLo1 = (arg1 & MTC0_ENTRYLO_MASK(env))
1257 | (rxi << (CP0EnLo_XI - 30));
1260 #if defined(TARGET_MIPS64)
1261 void helper_dmtc0_entrylo1(CPUMIPSState *env, uint64_t arg1)
1263 uint64_t rxi = arg1 & ((env->CP0_PageGrain & (3ull << CP0PG_XIE)) << 32);
1264 env->CP0_EntryLo1 = (arg1 & DMTC0_ENTRYLO_MASK(env)) | rxi;
1268 void helper_mtc0_context(CPUMIPSState *env, target_ulong arg1)
1270 env->CP0_Context = (env->CP0_Context & 0x007FFFFF) | (arg1 & ~0x007FFFFF);
1273 void helper_mtc0_pagemask(CPUMIPSState *env, target_ulong arg1)
1275 uint64_t mask = arg1 >> (TARGET_PAGE_BITS + 1);
1276 if (!(env->insn_flags & ISA_MIPS32R6) || (arg1 == ~0) ||
1277 (mask == 0x0000 || mask == 0x0003 || mask == 0x000F ||
1278 mask == 0x003F || mask == 0x00FF || mask == 0x03FF ||
1279 mask == 0x0FFF || mask == 0x3FFF || mask == 0xFFFF)) {
1280 env->CP0_PageMask = arg1 & (0x1FFFFFFF & (TARGET_PAGE_MASK << 1));
1284 void helper_mtc0_pagegrain(CPUMIPSState *env, target_ulong arg1)
1286 /* SmartMIPS not implemented */
1287 /* 1k pages not implemented */
1288 env->CP0_PageGrain = (arg1 & env->CP0_PageGrain_rw_bitmask) |
1289 (env->CP0_PageGrain & ~env->CP0_PageGrain_rw_bitmask);
1290 compute_hflags(env);
1291 restore_pamask(env);
1294 void helper_mtc0_wired(CPUMIPSState *env, target_ulong arg1)
1296 if (env->insn_flags & ISA_MIPS32R6) {
1297 if (arg1 < env->tlb->nb_tlb) {
1298 env->CP0_Wired = arg1;
1301 env->CP0_Wired = arg1 % env->tlb->nb_tlb;
1305 void helper_mtc0_srsconf0(CPUMIPSState *env, target_ulong arg1)
1307 env->CP0_SRSConf0 |= arg1 & env->CP0_SRSConf0_rw_bitmask;
1310 void helper_mtc0_srsconf1(CPUMIPSState *env, target_ulong arg1)
1312 env->CP0_SRSConf1 |= arg1 & env->CP0_SRSConf1_rw_bitmask;
1315 void helper_mtc0_srsconf2(CPUMIPSState *env, target_ulong arg1)
1317 env->CP0_SRSConf2 |= arg1 & env->CP0_SRSConf2_rw_bitmask;
1320 void helper_mtc0_srsconf3(CPUMIPSState *env, target_ulong arg1)
1322 env->CP0_SRSConf3 |= arg1 & env->CP0_SRSConf3_rw_bitmask;
1325 void helper_mtc0_srsconf4(CPUMIPSState *env, target_ulong arg1)
1327 env->CP0_SRSConf4 |= arg1 & env->CP0_SRSConf4_rw_bitmask;
1330 void helper_mtc0_hwrena(CPUMIPSState *env, target_ulong arg1)
1332 uint32_t mask = 0x0000000F;
1334 if (env->CP0_Config3 & (1 << CP0C3_ULRI)) {
1337 if (arg1 & (1 << 29)) {
1338 env->hflags |= MIPS_HFLAG_HWRENA_ULR;
1340 env->hflags &= ~MIPS_HFLAG_HWRENA_ULR;
1344 env->CP0_HWREna = arg1 & mask;
1347 void helper_mtc0_count(CPUMIPSState *env, target_ulong arg1)
1349 cpu_mips_store_count(env, arg1);
1352 void helper_mtc0_entryhi(CPUMIPSState *env, target_ulong arg1)
1354 target_ulong old, val, mask;
1355 mask = (TARGET_PAGE_MASK << 1) | 0xFF;
1356 if (((env->CP0_Config4 >> CP0C4_IE) & 0x3) >= 2) {
1357 mask |= 1 << CP0EnHi_EHINV;
1360 /* 1k pages not implemented */
1361 #if defined(TARGET_MIPS64)
1362 if (env->insn_flags & ISA_MIPS32R6) {
1363 int entryhi_r = extract64(arg1, 62, 2);
1364 int config0_at = extract32(env->CP0_Config0, 13, 2);
1365 bool no_supervisor = (env->CP0_Status_rw_bitmask & 0x8) == 0;
1366 if ((entryhi_r == 2) ||
1367 (entryhi_r == 1 && (no_supervisor || config0_at == 1))) {
1368 /* skip EntryHi.R field if new value is reserved */
1369 mask &= ~(0x3ull << 62);
1372 mask &= env->SEGMask;
1374 old = env->CP0_EntryHi;
1375 val = (arg1 & mask) | (old & ~mask);
1376 env->CP0_EntryHi = val;
1377 if (env->CP0_Config3 & (1 << CP0C3_MT)) {
1378 sync_c0_entryhi(env, env->current_tc);
1380 /* If the ASID changes, flush qemu's TLB. */
1381 if ((old & 0xFF) != (val & 0xFF))
1382 cpu_mips_tlb_flush(env, 1);
1385 void helper_mttc0_entryhi(CPUMIPSState *env, target_ulong arg1)
1387 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1388 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1390 other->CP0_EntryHi = arg1;
1391 sync_c0_entryhi(other, other_tc);
1394 void helper_mtc0_compare(CPUMIPSState *env, target_ulong arg1)
1396 cpu_mips_store_compare(env, arg1);
1399 void helper_mtc0_status(CPUMIPSState *env, target_ulong arg1)
1401 MIPSCPU *cpu = mips_env_get_cpu(env);
1404 old = env->CP0_Status;
1405 cpu_mips_store_status(env, arg1);
1406 val = env->CP0_Status;
1408 if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
1409 qemu_log("Status %08x (%08x) => %08x (%08x) Cause %08x",
1410 old, old & env->CP0_Cause & CP0Ca_IP_mask,
1411 val, val & env->CP0_Cause & CP0Ca_IP_mask,
1413 switch (env->hflags & MIPS_HFLAG_KSU) {
1414 case MIPS_HFLAG_UM: qemu_log(", UM\n"); break;
1415 case MIPS_HFLAG_SM: qemu_log(", SM\n"); break;
1416 case MIPS_HFLAG_KM: qemu_log("\n"); break;
1418 cpu_abort(CPU(cpu), "Invalid MMU mode!\n");
1424 void helper_mttc0_status(CPUMIPSState *env, target_ulong arg1)
1426 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1427 uint32_t mask = env->CP0_Status_rw_bitmask & ~0xf1000018;
1428 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1430 other->CP0_Status = (other->CP0_Status & ~mask) | (arg1 & mask);
1431 sync_c0_status(env, other, other_tc);
1434 void helper_mtc0_intctl(CPUMIPSState *env, target_ulong arg1)
1436 env->CP0_IntCtl = (env->CP0_IntCtl & ~0x000003e0) | (arg1 & 0x000003e0);
1439 void helper_mtc0_srsctl(CPUMIPSState *env, target_ulong arg1)
1441 uint32_t mask = (0xf << CP0SRSCtl_ESS) | (0xf << CP0SRSCtl_PSS);
1442 env->CP0_SRSCtl = (env->CP0_SRSCtl & ~mask) | (arg1 & mask);
1445 void helper_mtc0_cause(CPUMIPSState *env, target_ulong arg1)
1447 cpu_mips_store_cause(env, arg1);
1450 void helper_mttc0_cause(CPUMIPSState *env, target_ulong arg1)
1452 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1453 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1455 cpu_mips_store_cause(other, arg1);
1458 target_ulong helper_mftc0_epc(CPUMIPSState *env)
1460 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1461 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1463 return other->CP0_EPC;
1466 target_ulong helper_mftc0_ebase(CPUMIPSState *env)
1468 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1469 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1471 return other->CP0_EBase;
1474 void helper_mtc0_ebase(CPUMIPSState *env, target_ulong arg1)
1476 env->CP0_EBase = (env->CP0_EBase & ~0x3FFFF000) | (arg1 & 0x3FFFF000);
1479 void helper_mttc0_ebase(CPUMIPSState *env, target_ulong arg1)
1481 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1482 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1483 other->CP0_EBase = (other->CP0_EBase & ~0x3FFFF000) | (arg1 & 0x3FFFF000);
1486 target_ulong helper_mftc0_configx(CPUMIPSState *env, target_ulong idx)
1488 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1489 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1492 case 0: return other->CP0_Config0;
1493 case 1: return other->CP0_Config1;
1494 case 2: return other->CP0_Config2;
1495 case 3: return other->CP0_Config3;
1496 /* 4 and 5 are reserved. */
1497 case 6: return other->CP0_Config6;
1498 case 7: return other->CP0_Config7;
1505 void helper_mtc0_config0(CPUMIPSState *env, target_ulong arg1)
1507 env->CP0_Config0 = (env->CP0_Config0 & 0x81FFFFF8) | (arg1 & 0x00000007);
1510 void helper_mtc0_config2(CPUMIPSState *env, target_ulong arg1)
1512 /* tertiary/secondary caches not implemented */
1513 env->CP0_Config2 = (env->CP0_Config2 & 0x8FFF0FFF);
1516 void helper_mtc0_config3(CPUMIPSState *env, target_ulong arg1)
1518 if (env->insn_flags & ASE_MICROMIPS) {
1519 env->CP0_Config3 = (env->CP0_Config3 & ~(1 << CP0C3_ISA_ON_EXC)) |
1520 (arg1 & (1 << CP0C3_ISA_ON_EXC));
1524 void helper_mtc0_config4(CPUMIPSState *env, target_ulong arg1)
1526 env->CP0_Config4 = (env->CP0_Config4 & (~env->CP0_Config4_rw_bitmask)) |
1527 (arg1 & env->CP0_Config4_rw_bitmask);
1530 void helper_mtc0_config5(CPUMIPSState *env, target_ulong arg1)
1532 env->CP0_Config5 = (env->CP0_Config5 & (~env->CP0_Config5_rw_bitmask)) |
1533 (arg1 & env->CP0_Config5_rw_bitmask);
1534 compute_hflags(env);
1537 void helper_mtc0_lladdr(CPUMIPSState *env, target_ulong arg1)
1539 target_long mask = env->CP0_LLAddr_rw_bitmask;
1540 arg1 = arg1 << env->CP0_LLAddr_shift;
1541 env->lladdr = (env->lladdr & ~mask) | (arg1 & mask);
1544 void helper_mtc0_watchlo(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1546 /* Watch exceptions for instructions, data loads, data stores
1548 env->CP0_WatchLo[sel] = (arg1 & ~0x7);
1551 void helper_mtc0_watchhi(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1553 env->CP0_WatchHi[sel] = (arg1 & 0x40FF0FF8);
1554 env->CP0_WatchHi[sel] &= ~(env->CP0_WatchHi[sel] & arg1 & 0x7);
1557 void helper_mtc0_xcontext(CPUMIPSState *env, target_ulong arg1)
1559 target_ulong mask = (1ULL << (env->SEGBITS - 7)) - 1;
1560 env->CP0_XContext = (env->CP0_XContext & mask) | (arg1 & ~mask);
1563 void helper_mtc0_framemask(CPUMIPSState *env, target_ulong arg1)
1565 env->CP0_Framemask = arg1; /* XXX */
1568 void helper_mtc0_debug(CPUMIPSState *env, target_ulong arg1)
1570 env->CP0_Debug = (env->CP0_Debug & 0x8C03FC1F) | (arg1 & 0x13300120);
1571 if (arg1 & (1 << CP0DB_DM))
1572 env->hflags |= MIPS_HFLAG_DM;
1574 env->hflags &= ~MIPS_HFLAG_DM;
1577 void helper_mttc0_debug(CPUMIPSState *env, target_ulong arg1)
1579 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1580 uint32_t val = arg1 & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt));
1581 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1583 /* XXX: Might be wrong, check with EJTAG spec. */
1584 if (other_tc == other->current_tc)
1585 other->active_tc.CP0_Debug_tcstatus = val;
1587 other->tcs[other_tc].CP0_Debug_tcstatus = val;
1588 other->CP0_Debug = (other->CP0_Debug &
1589 ((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) |
1590 (arg1 & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt)));
1593 void helper_mtc0_performance0(CPUMIPSState *env, target_ulong arg1)
1595 env->CP0_Performance0 = arg1 & 0x000007ff;
1598 void helper_mtc0_taglo(CPUMIPSState *env, target_ulong arg1)
1600 env->CP0_TagLo = arg1 & 0xFFFFFCF6;
1603 void helper_mtc0_datalo(CPUMIPSState *env, target_ulong arg1)
1605 env->CP0_DataLo = arg1; /* XXX */
1608 void helper_mtc0_taghi(CPUMIPSState *env, target_ulong arg1)
1610 env->CP0_TagHi = arg1; /* XXX */
1613 void helper_mtc0_datahi(CPUMIPSState *env, target_ulong arg1)
1615 env->CP0_DataHi = arg1; /* XXX */
1618 /* MIPS MT functions */
1619 target_ulong helper_mftgpr(CPUMIPSState *env, uint32_t sel)
1621 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1622 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1624 if (other_tc == other->current_tc)
1625 return other->active_tc.gpr[sel];
1627 return other->tcs[other_tc].gpr[sel];
1630 target_ulong helper_mftlo(CPUMIPSState *env, uint32_t sel)
1632 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1633 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1635 if (other_tc == other->current_tc)
1636 return other->active_tc.LO[sel];
1638 return other->tcs[other_tc].LO[sel];
1641 target_ulong helper_mfthi(CPUMIPSState *env, uint32_t sel)
1643 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1644 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1646 if (other_tc == other->current_tc)
1647 return other->active_tc.HI[sel];
1649 return other->tcs[other_tc].HI[sel];
1652 target_ulong helper_mftacx(CPUMIPSState *env, uint32_t sel)
1654 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1655 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1657 if (other_tc == other->current_tc)
1658 return other->active_tc.ACX[sel];
1660 return other->tcs[other_tc].ACX[sel];
1663 target_ulong helper_mftdsp(CPUMIPSState *env)
1665 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1666 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1668 if (other_tc == other->current_tc)
1669 return other->active_tc.DSPControl;
1671 return other->tcs[other_tc].DSPControl;
1674 void helper_mttgpr(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1676 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1677 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1679 if (other_tc == other->current_tc)
1680 other->active_tc.gpr[sel] = arg1;
1682 other->tcs[other_tc].gpr[sel] = arg1;
1685 void helper_mttlo(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1687 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1688 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1690 if (other_tc == other->current_tc)
1691 other->active_tc.LO[sel] = arg1;
1693 other->tcs[other_tc].LO[sel] = arg1;
1696 void helper_mtthi(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1698 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1699 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1701 if (other_tc == other->current_tc)
1702 other->active_tc.HI[sel] = arg1;
1704 other->tcs[other_tc].HI[sel] = arg1;
1707 void helper_mttacx(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1709 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1710 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1712 if (other_tc == other->current_tc)
1713 other->active_tc.ACX[sel] = arg1;
1715 other->tcs[other_tc].ACX[sel] = arg1;
1718 void helper_mttdsp(CPUMIPSState *env, target_ulong arg1)
1720 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1721 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1723 if (other_tc == other->current_tc)
1724 other->active_tc.DSPControl = arg1;
1726 other->tcs[other_tc].DSPControl = arg1;
1729 /* MIPS MT functions */
1730 target_ulong helper_dmt(void)
1736 target_ulong helper_emt(void)
1742 target_ulong helper_dvpe(CPUMIPSState *env)
1744 CPUState *other_cs = first_cpu;
1745 target_ulong prev = env->mvp->CP0_MVPControl;
1747 CPU_FOREACH(other_cs) {
1748 MIPSCPU *other_cpu = MIPS_CPU(other_cs);
1749 /* Turn off all VPEs except the one executing the dvpe. */
1750 if (&other_cpu->env != env) {
1751 other_cpu->env.mvp->CP0_MVPControl &= ~(1 << CP0MVPCo_EVP);
1752 mips_vpe_sleep(other_cpu);
1758 target_ulong helper_evpe(CPUMIPSState *env)
1760 CPUState *other_cs = first_cpu;
1761 target_ulong prev = env->mvp->CP0_MVPControl;
1763 CPU_FOREACH(other_cs) {
1764 MIPSCPU *other_cpu = MIPS_CPU(other_cs);
1766 if (&other_cpu->env != env
1767 /* If the VPE is WFI, don't disturb its sleep. */
1768 && !mips_vpe_is_wfi(other_cpu)) {
1769 /* Enable the VPE. */
1770 other_cpu->env.mvp->CP0_MVPControl |= (1 << CP0MVPCo_EVP);
1771 mips_vpe_wake(other_cpu); /* And wake it up. */
1776 #endif /* !CONFIG_USER_ONLY */
1778 void helper_fork(target_ulong arg1, target_ulong arg2)
1780 // arg1 = rt, arg2 = rs
1781 // TODO: store to TC register
1784 target_ulong helper_yield(CPUMIPSState *env, target_ulong arg)
1786 target_long arg1 = arg;
1789 /* No scheduling policy implemented. */
1791 if (env->CP0_VPEControl & (1 << CP0VPECo_YSI) &&
1792 env->active_tc.CP0_TCStatus & (1 << CP0TCSt_DT)) {
1793 env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
1794 env->CP0_VPEControl |= 4 << CP0VPECo_EXCPT;
1795 helper_raise_exception(env, EXCP_THREAD);
1798 } else if (arg1 == 0) {
1799 if (0 /* TODO: TC underflow */) {
1800 env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
1801 helper_raise_exception(env, EXCP_THREAD);
1803 // TODO: Deallocate TC
1805 } else if (arg1 > 0) {
1806 /* Yield qualifier inputs not implemented. */
1807 env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
1808 env->CP0_VPEControl |= 2 << CP0VPECo_EXCPT;
1809 helper_raise_exception(env, EXCP_THREAD);
1811 return env->CP0_YQMask;
1814 #ifndef CONFIG_USER_ONLY
1815 /* TLB management */
1816 static void cpu_mips_tlb_flush (CPUMIPSState *env, int flush_global)
1818 MIPSCPU *cpu = mips_env_get_cpu(env);
1820 /* Flush qemu's TLB and discard all shadowed entries. */
1821 tlb_flush(CPU(cpu), flush_global);
1822 env->tlb->tlb_in_use = env->tlb->nb_tlb;
1825 static void r4k_mips_tlb_flush_extra (CPUMIPSState *env, int first)
1827 /* Discard entries from env->tlb[first] onwards. */
1828 while (env->tlb->tlb_in_use > first) {
1829 r4k_invalidate_tlb(env, --env->tlb->tlb_in_use, 0);
1833 static inline uint64_t get_tlb_pfn_from_entrylo(uint64_t entrylo)
1835 #if defined(TARGET_MIPS64)
1836 return extract64(entrylo, 6, 54);
1838 return extract64(entrylo, 6, 24) | /* PFN */
1839 (extract64(entrylo, 32, 32) << 24); /* PFNX */
1843 static void r4k_fill_tlb(CPUMIPSState *env, int idx)
1847 /* XXX: detect conflicting TLBs and raise a MCHECK exception when needed */
1848 tlb = &env->tlb->mmu.r4k.tlb[idx];
1849 if (env->CP0_EntryHi & (1 << CP0EnHi_EHINV)) {
1854 tlb->VPN = env->CP0_EntryHi & (TARGET_PAGE_MASK << 1);
1855 #if defined(TARGET_MIPS64)
1856 tlb->VPN &= env->SEGMask;
1858 tlb->ASID = env->CP0_EntryHi & 0xFF;
1859 tlb->PageMask = env->CP0_PageMask;
1860 tlb->G = env->CP0_EntryLo0 & env->CP0_EntryLo1 & 1;
1861 tlb->V0 = (env->CP0_EntryLo0 & 2) != 0;
1862 tlb->D0 = (env->CP0_EntryLo0 & 4) != 0;
1863 tlb->C0 = (env->CP0_EntryLo0 >> 3) & 0x7;
1864 tlb->XI0 = (env->CP0_EntryLo0 >> CP0EnLo_XI) & 1;
1865 tlb->RI0 = (env->CP0_EntryLo0 >> CP0EnLo_RI) & 1;
1866 tlb->PFN[0] = get_tlb_pfn_from_entrylo(env->CP0_EntryLo0) << 12;
1867 tlb->V1 = (env->CP0_EntryLo1 & 2) != 0;
1868 tlb->D1 = (env->CP0_EntryLo1 & 4) != 0;
1869 tlb->C1 = (env->CP0_EntryLo1 >> 3) & 0x7;
1870 tlb->XI1 = (env->CP0_EntryLo1 >> CP0EnLo_XI) & 1;
1871 tlb->RI1 = (env->CP0_EntryLo1 >> CP0EnLo_RI) & 1;
1872 tlb->PFN[1] = get_tlb_pfn_from_entrylo(env->CP0_EntryLo1) << 12;
1875 void r4k_helper_tlbinv(CPUMIPSState *env)
1879 uint8_t ASID = env->CP0_EntryHi & 0xFF;
1881 for (idx = 0; idx < env->tlb->nb_tlb; idx++) {
1882 tlb = &env->tlb->mmu.r4k.tlb[idx];
1883 if (!tlb->G && tlb->ASID == ASID) {
1887 cpu_mips_tlb_flush(env, 1);
1890 void r4k_helper_tlbinvf(CPUMIPSState *env)
1894 for (idx = 0; idx < env->tlb->nb_tlb; idx++) {
1895 env->tlb->mmu.r4k.tlb[idx].EHINV = 1;
1897 cpu_mips_tlb_flush(env, 1);
1900 void r4k_helper_tlbwi(CPUMIPSState *env)
1906 bool G, V0, D0, V1, D1;
1908 idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb;
1909 tlb = &env->tlb->mmu.r4k.tlb[idx];
1910 VPN = env->CP0_EntryHi & (TARGET_PAGE_MASK << 1);
1911 #if defined(TARGET_MIPS64)
1912 VPN &= env->SEGMask;
1914 ASID = env->CP0_EntryHi & 0xff;
1915 G = env->CP0_EntryLo0 & env->CP0_EntryLo1 & 1;
1916 V0 = (env->CP0_EntryLo0 & 2) != 0;
1917 D0 = (env->CP0_EntryLo0 & 4) != 0;
1918 V1 = (env->CP0_EntryLo1 & 2) != 0;
1919 D1 = (env->CP0_EntryLo1 & 4) != 0;
1921 /* Discard cached TLB entries, unless tlbwi is just upgrading access
1922 permissions on the current entry. */
1923 if (tlb->VPN != VPN || tlb->ASID != ASID || tlb->G != G ||
1924 (tlb->V0 && !V0) || (tlb->D0 && !D0) ||
1925 (tlb->V1 && !V1) || (tlb->D1 && !D1)) {
1926 r4k_mips_tlb_flush_extra(env, env->tlb->nb_tlb);
1929 r4k_invalidate_tlb(env, idx, 0);
1930 r4k_fill_tlb(env, idx);
1933 void r4k_helper_tlbwr(CPUMIPSState *env)
1935 int r = cpu_mips_get_random(env);
1937 r4k_invalidate_tlb(env, r, 1);
1938 r4k_fill_tlb(env, r);
1941 void r4k_helper_tlbp(CPUMIPSState *env)
1950 ASID = env->CP0_EntryHi & 0xFF;
1951 for (i = 0; i < env->tlb->nb_tlb; i++) {
1952 tlb = &env->tlb->mmu.r4k.tlb[i];
1953 /* 1k pages are not supported. */
1954 mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
1955 tag = env->CP0_EntryHi & ~mask;
1956 VPN = tlb->VPN & ~mask;
1957 #if defined(TARGET_MIPS64)
1958 tag &= env->SEGMask;
1960 /* Check ASID, virtual page number & size */
1961 if ((tlb->G == 1 || tlb->ASID == ASID) && VPN == tag && !tlb->EHINV) {
1967 if (i == env->tlb->nb_tlb) {
1968 /* No match. Discard any shadow entries, if any of them match. */
1969 for (i = env->tlb->nb_tlb; i < env->tlb->tlb_in_use; i++) {
1970 tlb = &env->tlb->mmu.r4k.tlb[i];
1971 /* 1k pages are not supported. */
1972 mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
1973 tag = env->CP0_EntryHi & ~mask;
1974 VPN = tlb->VPN & ~mask;
1975 #if defined(TARGET_MIPS64)
1976 tag &= env->SEGMask;
1978 /* Check ASID, virtual page number & size */
1979 if ((tlb->G == 1 || tlb->ASID == ASID) && VPN == tag) {
1980 r4k_mips_tlb_flush_extra (env, i);
1985 env->CP0_Index |= 0x80000000;
1989 static inline uint64_t get_entrylo_pfn_from_tlb(uint64_t tlb_pfn)
1991 #if defined(TARGET_MIPS64)
1992 return tlb_pfn << 6;
1994 return (extract64(tlb_pfn, 0, 24) << 6) | /* PFN */
1995 (extract64(tlb_pfn, 24, 32) << 32); /* PFNX */
1999 void r4k_helper_tlbr(CPUMIPSState *env)
2005 ASID = env->CP0_EntryHi & 0xFF;
2006 idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb;
2007 tlb = &env->tlb->mmu.r4k.tlb[idx];
2009 /* If this will change the current ASID, flush qemu's TLB. */
2010 if (ASID != tlb->ASID)
2011 cpu_mips_tlb_flush (env, 1);
2013 r4k_mips_tlb_flush_extra(env, env->tlb->nb_tlb);
2016 env->CP0_EntryHi = 1 << CP0EnHi_EHINV;
2017 env->CP0_PageMask = 0;
2018 env->CP0_EntryLo0 = 0;
2019 env->CP0_EntryLo1 = 0;
2021 env->CP0_EntryHi = tlb->VPN | tlb->ASID;
2022 env->CP0_PageMask = tlb->PageMask;
2023 env->CP0_EntryLo0 = tlb->G | (tlb->V0 << 1) | (tlb->D0 << 2) |
2024 ((uint64_t)tlb->RI0 << CP0EnLo_RI) |
2025 ((uint64_t)tlb->XI0 << CP0EnLo_XI) | (tlb->C0 << 3) |
2026 get_entrylo_pfn_from_tlb(tlb->PFN[0] >> 12);
2027 env->CP0_EntryLo1 = tlb->G | (tlb->V1 << 1) | (tlb->D1 << 2) |
2028 ((uint64_t)tlb->RI1 << CP0EnLo_RI) |
2029 ((uint64_t)tlb->XI1 << CP0EnLo_XI) | (tlb->C1 << 3) |
2030 get_entrylo_pfn_from_tlb(tlb->PFN[1] >> 12);
2034 void helper_tlbwi(CPUMIPSState *env)
2036 env->tlb->helper_tlbwi(env);
2039 void helper_tlbwr(CPUMIPSState *env)
2041 env->tlb->helper_tlbwr(env);
2044 void helper_tlbp(CPUMIPSState *env)
2046 env->tlb->helper_tlbp(env);
2049 void helper_tlbr(CPUMIPSState *env)
2051 env->tlb->helper_tlbr(env);
2054 void helper_tlbinv(CPUMIPSState *env)
2056 env->tlb->helper_tlbinv(env);
2059 void helper_tlbinvf(CPUMIPSState *env)
2061 env->tlb->helper_tlbinvf(env);
2065 target_ulong helper_di(CPUMIPSState *env)
2067 target_ulong t0 = env->CP0_Status;
2069 env->CP0_Status = t0 & ~(1 << CP0St_IE);
2073 target_ulong helper_ei(CPUMIPSState *env)
2075 target_ulong t0 = env->CP0_Status;
2077 env->CP0_Status = t0 | (1 << CP0St_IE);
2081 static void debug_pre_eret(CPUMIPSState *env)
2083 if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
2084 qemu_log("ERET: PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx,
2085 env->active_tc.PC, env->CP0_EPC);
2086 if (env->CP0_Status & (1 << CP0St_ERL))
2087 qemu_log(" ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
2088 if (env->hflags & MIPS_HFLAG_DM)
2089 qemu_log(" DEPC " TARGET_FMT_lx, env->CP0_DEPC);
2094 static void debug_post_eret(CPUMIPSState *env)
2096 MIPSCPU *cpu = mips_env_get_cpu(env);
2098 if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
2099 qemu_log(" => PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx,
2100 env->active_tc.PC, env->CP0_EPC);
2101 if (env->CP0_Status & (1 << CP0St_ERL))
2102 qemu_log(" ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
2103 if (env->hflags & MIPS_HFLAG_DM)
2104 qemu_log(" DEPC " TARGET_FMT_lx, env->CP0_DEPC);
2105 switch (env->hflags & MIPS_HFLAG_KSU) {
2106 case MIPS_HFLAG_UM: qemu_log(", UM\n"); break;
2107 case MIPS_HFLAG_SM: qemu_log(", SM\n"); break;
2108 case MIPS_HFLAG_KM: qemu_log("\n"); break;
2110 cpu_abort(CPU(cpu), "Invalid MMU mode!\n");
2116 static void set_pc(CPUMIPSState *env, target_ulong error_pc)
2118 env->active_tc.PC = error_pc & ~(target_ulong)1;
2120 env->hflags |= MIPS_HFLAG_M16;
2122 env->hflags &= ~(MIPS_HFLAG_M16);
2126 static inline void exception_return(CPUMIPSState *env)
2128 debug_pre_eret(env);
2129 if (env->CP0_Status & (1 << CP0St_ERL)) {
2130 set_pc(env, env->CP0_ErrorEPC);
2131 env->CP0_Status &= ~(1 << CP0St_ERL);
2133 set_pc(env, env->CP0_EPC);
2134 env->CP0_Status &= ~(1 << CP0St_EXL);
2136 compute_hflags(env);
2137 debug_post_eret(env);
2140 void helper_eret(CPUMIPSState *env)
2142 exception_return(env);
2146 void helper_eretnc(CPUMIPSState *env)
2148 exception_return(env);
2151 void helper_deret(CPUMIPSState *env)
2153 debug_pre_eret(env);
2154 set_pc(env, env->CP0_DEPC);
2156 env->hflags &= ~MIPS_HFLAG_DM;
2157 compute_hflags(env);
2158 debug_post_eret(env);
2160 #endif /* !CONFIG_USER_ONLY */
2162 target_ulong helper_rdhwr_cpunum(CPUMIPSState *env)
2164 if ((env->hflags & MIPS_HFLAG_CP0) ||
2165 (env->CP0_HWREna & (1 << 0)))
2166 return env->CP0_EBase & 0x3ff;
2168 helper_raise_exception(env, EXCP_RI);
2173 target_ulong helper_rdhwr_synci_step(CPUMIPSState *env)
2175 if ((env->hflags & MIPS_HFLAG_CP0) ||
2176 (env->CP0_HWREna & (1 << 1)))
2177 return env->SYNCI_Step;
2179 helper_raise_exception(env, EXCP_RI);
2184 target_ulong helper_rdhwr_cc(CPUMIPSState *env)
2186 if ((env->hflags & MIPS_HFLAG_CP0) ||
2187 (env->CP0_HWREna & (1 << 2))) {
2188 #ifdef CONFIG_USER_ONLY
2189 return env->CP0_Count;
2191 return (int32_t)cpu_mips_get_count(env);
2194 helper_raise_exception(env, EXCP_RI);
2200 target_ulong helper_rdhwr_ccres(CPUMIPSState *env)
2202 if ((env->hflags & MIPS_HFLAG_CP0) ||
2203 (env->CP0_HWREna & (1 << 3)))
2206 helper_raise_exception(env, EXCP_RI);
2211 void helper_pmon(CPUMIPSState *env, int function)
2215 case 2: /* TODO: char inbyte(int waitflag); */
2216 if (env->active_tc.gpr[4] == 0)
2217 env->active_tc.gpr[2] = -1;
2219 case 11: /* TODO: char inbyte (void); */
2220 env->active_tc.gpr[2] = -1;
2224 printf("%c", (char)(env->active_tc.gpr[4] & 0xFF));
2230 unsigned char *fmt = (void *)(uintptr_t)env->active_tc.gpr[4];
2237 void helper_wait(CPUMIPSState *env)
2239 CPUState *cs = CPU(mips_env_get_cpu(env));
2242 cpu_reset_interrupt(cs, CPU_INTERRUPT_WAKE);
2243 helper_raise_exception(env, EXCP_HLT);
2246 #if !defined(CONFIG_USER_ONLY)
2248 void mips_cpu_do_unaligned_access(CPUState *cs, vaddr addr,
2249 int access_type, int is_user,
2252 MIPSCPU *cpu = MIPS_CPU(cs);
2253 CPUMIPSState *env = &cpu->env;
2257 env->CP0_BadVAddr = addr;
2259 if (access_type == MMU_DATA_STORE) {
2263 if (access_type == MMU_INST_FETCH) {
2264 error_code |= EXCP_INST_NOTAVAIL;
2268 do_raise_exception_err(env, excp, error_code, retaddr);
2271 void tlb_fill(CPUState *cs, target_ulong addr, int is_write, int mmu_idx,
2276 ret = mips_cpu_handle_mmu_fault(cs, addr, is_write, mmu_idx);
2278 MIPSCPU *cpu = MIPS_CPU(cs);
2279 CPUMIPSState *env = &cpu->env;
2281 do_raise_exception_err(env, cs->exception_index,
2282 env->error_code, retaddr);
2286 void mips_cpu_unassigned_access(CPUState *cs, hwaddr addr,
2287 bool is_write, bool is_exec, int unused,
2290 MIPSCPU *cpu = MIPS_CPU(cs);
2291 CPUMIPSState *env = &cpu->env;
2294 * Raising an exception with KVM enabled will crash because it won't be from
2295 * the main execution loop so the longjmp won't have a matching setjmp.
2296 * Until we can trigger a bus error exception through KVM lets just ignore
2299 if (kvm_enabled()) {
2304 helper_raise_exception(env, EXCP_IBE);
2306 helper_raise_exception(env, EXCP_DBE);
2309 #endif /* !CONFIG_USER_ONLY */
2311 /* Complex FPU operations which may need stack space. */
2313 #define FLOAT_TWO32 make_float32(1 << 30)
2314 #define FLOAT_TWO64 make_float64(1ULL << 62)
2315 #define FP_TO_INT32_OVERFLOW 0x7fffffff
2316 #define FP_TO_INT64_OVERFLOW 0x7fffffffffffffffULL
2318 /* convert MIPS rounding mode in FCR31 to IEEE library */
2319 unsigned int ieee_rm[] = {
2320 float_round_nearest_even,
2321 float_round_to_zero,
2326 target_ulong helper_cfc1(CPUMIPSState *env, uint32_t reg)
2328 target_ulong arg1 = 0;
2332 arg1 = (int32_t)env->active_fpu.fcr0;
2335 /* UFR Support - Read Status FR */
2336 if (env->active_fpu.fcr0 & (1 << FCR0_UFRP)) {
2337 if (env->CP0_Config5 & (1 << CP0C5_UFR)) {
2339 ((env->CP0_Status & (1 << CP0St_FR)) >> CP0St_FR);
2341 helper_raise_exception(env, EXCP_RI);
2346 /* FRE Support - read Config5.FRE bit */
2347 if (env->active_fpu.fcr0 & (1 << FCR0_FREP)) {
2348 if (env->CP0_Config5 & (1 << CP0C5_UFE)) {
2349 arg1 = (env->CP0_Config5 >> CP0C5_FRE) & 1;
2351 helper_raise_exception(env, EXCP_RI);
2356 arg1 = ((env->active_fpu.fcr31 >> 24) & 0xfe) | ((env->active_fpu.fcr31 >> 23) & 0x1);
2359 arg1 = env->active_fpu.fcr31 & 0x0003f07c;
2362 arg1 = (env->active_fpu.fcr31 & 0x00000f83) | ((env->active_fpu.fcr31 >> 22) & 0x4);
2365 arg1 = (int32_t)env->active_fpu.fcr31;
2372 void helper_ctc1(CPUMIPSState *env, target_ulong arg1, uint32_t fs, uint32_t rt)
2376 /* UFR Alias - Reset Status FR */
2377 if (!((env->active_fpu.fcr0 & (1 << FCR0_UFRP)) && (rt == 0))) {
2380 if (env->CP0_Config5 & (1 << CP0C5_UFR)) {
2381 env->CP0_Status &= ~(1 << CP0St_FR);
2382 compute_hflags(env);
2384 helper_raise_exception(env, EXCP_RI);
2388 /* UNFR Alias - Set Status FR */
2389 if (!((env->active_fpu.fcr0 & (1 << FCR0_UFRP)) && (rt == 0))) {
2392 if (env->CP0_Config5 & (1 << CP0C5_UFR)) {
2393 env->CP0_Status |= (1 << CP0St_FR);
2394 compute_hflags(env);
2396 helper_raise_exception(env, EXCP_RI);
2400 /* FRE Support - clear Config5.FRE bit */
2401 if (!((env->active_fpu.fcr0 & (1 << FCR0_FREP)) && (rt == 0))) {
2404 if (env->CP0_Config5 & (1 << CP0C5_UFE)) {
2405 env->CP0_Config5 &= ~(1 << CP0C5_FRE);
2406 compute_hflags(env);
2408 helper_raise_exception(env, EXCP_RI);
2412 /* FRE Support - set Config5.FRE bit */
2413 if (!((env->active_fpu.fcr0 & (1 << FCR0_FREP)) && (rt == 0))) {
2416 if (env->CP0_Config5 & (1 << CP0C5_UFE)) {
2417 env->CP0_Config5 |= (1 << CP0C5_FRE);
2418 compute_hflags(env);
2420 helper_raise_exception(env, EXCP_RI);
2424 if ((env->insn_flags & ISA_MIPS32R6) || (arg1 & 0xffffff00)) {
2427 env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0x017fffff) | ((arg1 & 0xfe) << 24) |
2428 ((arg1 & 0x1) << 23);
2431 if (arg1 & 0x007c0000)
2433 env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0xfffc0f83) | (arg1 & 0x0003f07c);
2436 if (arg1 & 0x007c0000)
2438 env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0xfefff07c) | (arg1 & 0x00000f83) |
2439 ((arg1 & 0x4) << 22);
2442 if (env->insn_flags & ISA_MIPS32R6) {
2443 uint32_t mask = 0xfefc0000;
2444 env->active_fpu.fcr31 = (arg1 & ~mask) |
2445 (env->active_fpu.fcr31 & mask);
2446 } else if (!(arg1 & 0x007c0000)) {
2447 env->active_fpu.fcr31 = arg1;
2453 /* set rounding mode */
2454 restore_rounding_mode(env);
2455 /* set flush-to-zero mode */
2456 restore_flush_mode(env);
2457 set_float_exception_flags(0, &env->active_fpu.fp_status);
2458 if ((GET_FP_ENABLE(env->active_fpu.fcr31) | 0x20) & GET_FP_CAUSE(env->active_fpu.fcr31))
2459 do_raise_exception(env, EXCP_FPE, GETPC());
2462 int ieee_ex_to_mips(int xcpt)
2466 if (xcpt & float_flag_invalid) {
2469 if (xcpt & float_flag_overflow) {
2472 if (xcpt & float_flag_underflow) {
2473 ret |= FP_UNDERFLOW;
2475 if (xcpt & float_flag_divbyzero) {
2478 if (xcpt & float_flag_inexact) {
2485 static inline void update_fcr31(CPUMIPSState *env, uintptr_t pc)
2487 int tmp = ieee_ex_to_mips(get_float_exception_flags(&env->active_fpu.fp_status));
2489 SET_FP_CAUSE(env->active_fpu.fcr31, tmp);
2492 set_float_exception_flags(0, &env->active_fpu.fp_status);
2494 if (GET_FP_ENABLE(env->active_fpu.fcr31) & tmp) {
2495 do_raise_exception(env, EXCP_FPE, pc);
2497 UPDATE_FP_FLAGS(env->active_fpu.fcr31, tmp);
2503 Single precition routines have a "s" suffix, double precision a
2504 "d" suffix, 32bit integer "w", 64bit integer "l", paired single "ps",
2505 paired single lower "pl", paired single upper "pu". */
2507 /* unary operations, modifying fp status */
2508 uint64_t helper_float_sqrt_d(CPUMIPSState *env, uint64_t fdt0)
2510 fdt0 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
2511 update_fcr31(env, GETPC());
2515 uint32_t helper_float_sqrt_s(CPUMIPSState *env, uint32_t fst0)
2517 fst0 = float32_sqrt(fst0, &env->active_fpu.fp_status);
2518 update_fcr31(env, GETPC());
2522 uint64_t helper_float_cvtd_s(CPUMIPSState *env, uint32_t fst0)
2526 fdt2 = float32_to_float64(fst0, &env->active_fpu.fp_status);
2527 update_fcr31(env, GETPC());
2531 uint64_t helper_float_cvtd_w(CPUMIPSState *env, uint32_t wt0)
2535 fdt2 = int32_to_float64(wt0, &env->active_fpu.fp_status);
2536 update_fcr31(env, GETPC());
2540 uint64_t helper_float_cvtd_l(CPUMIPSState *env, uint64_t dt0)
2544 fdt2 = int64_to_float64(dt0, &env->active_fpu.fp_status);
2545 update_fcr31(env, GETPC());
2549 uint64_t helper_float_cvtl_d(CPUMIPSState *env, uint64_t fdt0)
2553 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2554 if (get_float_exception_flags(&env->active_fpu.fp_status)
2555 & (float_flag_invalid | float_flag_overflow)) {
2556 dt2 = FP_TO_INT64_OVERFLOW;
2558 update_fcr31(env, GETPC());
2562 uint64_t helper_float_cvtl_s(CPUMIPSState *env, uint32_t fst0)
2566 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2567 if (get_float_exception_flags(&env->active_fpu.fp_status)
2568 & (float_flag_invalid | float_flag_overflow)) {
2569 dt2 = FP_TO_INT64_OVERFLOW;
2571 update_fcr31(env, GETPC());
2575 uint64_t helper_float_cvtps_pw(CPUMIPSState *env, uint64_t dt0)
2580 fst2 = int32_to_float32(dt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2581 fsth2 = int32_to_float32(dt0 >> 32, &env->active_fpu.fp_status);
2582 update_fcr31(env, GETPC());
2583 return ((uint64_t)fsth2 << 32) | fst2;
2586 uint64_t helper_float_cvtpw_ps(CPUMIPSState *env, uint64_t fdt0)
2592 wt2 = float32_to_int32(fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2593 excp = get_float_exception_flags(&env->active_fpu.fp_status);
2594 if (excp & (float_flag_overflow | float_flag_invalid)) {
2595 wt2 = FP_TO_INT32_OVERFLOW;
2598 set_float_exception_flags(0, &env->active_fpu.fp_status);
2599 wth2 = float32_to_int32(fdt0 >> 32, &env->active_fpu.fp_status);
2600 excph = get_float_exception_flags(&env->active_fpu.fp_status);
2601 if (excph & (float_flag_overflow | float_flag_invalid)) {
2602 wth2 = FP_TO_INT32_OVERFLOW;
2605 set_float_exception_flags(excp | excph, &env->active_fpu.fp_status);
2606 update_fcr31(env, GETPC());
2608 return ((uint64_t)wth2 << 32) | wt2;
2611 uint32_t helper_float_cvts_d(CPUMIPSState *env, uint64_t fdt0)
2615 fst2 = float64_to_float32(fdt0, &env->active_fpu.fp_status);
2616 update_fcr31(env, GETPC());
2620 uint32_t helper_float_cvts_w(CPUMIPSState *env, uint32_t wt0)
2624 fst2 = int32_to_float32(wt0, &env->active_fpu.fp_status);
2625 update_fcr31(env, GETPC());
2629 uint32_t helper_float_cvts_l(CPUMIPSState *env, uint64_t dt0)
2633 fst2 = int64_to_float32(dt0, &env->active_fpu.fp_status);
2634 update_fcr31(env, GETPC());
2638 uint32_t helper_float_cvts_pl(CPUMIPSState *env, uint32_t wt0)
2643 update_fcr31(env, GETPC());
2647 uint32_t helper_float_cvts_pu(CPUMIPSState *env, uint32_t wth0)
2652 update_fcr31(env, GETPC());
2656 uint32_t helper_float_cvtw_s(CPUMIPSState *env, uint32_t fst0)
2660 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2661 if (get_float_exception_flags(&env->active_fpu.fp_status)
2662 & (float_flag_invalid | float_flag_overflow)) {
2663 wt2 = FP_TO_INT32_OVERFLOW;
2665 update_fcr31(env, GETPC());
2669 uint32_t helper_float_cvtw_d(CPUMIPSState *env, uint64_t fdt0)
2673 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2674 if (get_float_exception_flags(&env->active_fpu.fp_status)
2675 & (float_flag_invalid | float_flag_overflow)) {
2676 wt2 = FP_TO_INT32_OVERFLOW;
2678 update_fcr31(env, GETPC());
2682 uint64_t helper_float_roundl_d(CPUMIPSState *env, uint64_t fdt0)
2686 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2687 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2688 restore_rounding_mode(env);
2689 if (get_float_exception_flags(&env->active_fpu.fp_status)
2690 & (float_flag_invalid | float_flag_overflow)) {
2691 dt2 = FP_TO_INT64_OVERFLOW;
2693 update_fcr31(env, GETPC());
2697 uint64_t helper_float_roundl_s(CPUMIPSState *env, uint32_t fst0)
2701 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2702 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2703 restore_rounding_mode(env);
2704 if (get_float_exception_flags(&env->active_fpu.fp_status)
2705 & (float_flag_invalid | float_flag_overflow)) {
2706 dt2 = FP_TO_INT64_OVERFLOW;
2708 update_fcr31(env, GETPC());
2712 uint32_t helper_float_roundw_d(CPUMIPSState *env, uint64_t fdt0)
2716 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2717 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2718 restore_rounding_mode(env);
2719 if (get_float_exception_flags(&env->active_fpu.fp_status)
2720 & (float_flag_invalid | float_flag_overflow)) {
2721 wt2 = FP_TO_INT32_OVERFLOW;
2723 update_fcr31(env, GETPC());
2727 uint32_t helper_float_roundw_s(CPUMIPSState *env, uint32_t fst0)
2731 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2732 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2733 restore_rounding_mode(env);
2734 if (get_float_exception_flags(&env->active_fpu.fp_status)
2735 & (float_flag_invalid | float_flag_overflow)) {
2736 wt2 = FP_TO_INT32_OVERFLOW;
2738 update_fcr31(env, GETPC());
2742 uint64_t helper_float_truncl_d(CPUMIPSState *env, uint64_t fdt0)
2746 dt2 = float64_to_int64_round_to_zero(fdt0, &env->active_fpu.fp_status);
2747 if (get_float_exception_flags(&env->active_fpu.fp_status)
2748 & (float_flag_invalid | float_flag_overflow)) {
2749 dt2 = FP_TO_INT64_OVERFLOW;
2751 update_fcr31(env, GETPC());
2755 uint64_t helper_float_truncl_s(CPUMIPSState *env, uint32_t fst0)
2759 dt2 = float32_to_int64_round_to_zero(fst0, &env->active_fpu.fp_status);
2760 if (get_float_exception_flags(&env->active_fpu.fp_status)
2761 & (float_flag_invalid | float_flag_overflow)) {
2762 dt2 = FP_TO_INT64_OVERFLOW;
2764 update_fcr31(env, GETPC());
2768 uint32_t helper_float_truncw_d(CPUMIPSState *env, uint64_t fdt0)
2772 wt2 = float64_to_int32_round_to_zero(fdt0, &env->active_fpu.fp_status);
2773 if (get_float_exception_flags(&env->active_fpu.fp_status)
2774 & (float_flag_invalid | float_flag_overflow)) {
2775 wt2 = FP_TO_INT32_OVERFLOW;
2777 update_fcr31(env, GETPC());
2781 uint32_t helper_float_truncw_s(CPUMIPSState *env, uint32_t fst0)
2785 wt2 = float32_to_int32_round_to_zero(fst0, &env->active_fpu.fp_status);
2786 if (get_float_exception_flags(&env->active_fpu.fp_status)
2787 & (float_flag_invalid | float_flag_overflow)) {
2788 wt2 = FP_TO_INT32_OVERFLOW;
2790 update_fcr31(env, GETPC());
2794 uint64_t helper_float_ceill_d(CPUMIPSState *env, uint64_t fdt0)
2798 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2799 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2800 restore_rounding_mode(env);
2801 if (get_float_exception_flags(&env->active_fpu.fp_status)
2802 & (float_flag_invalid | float_flag_overflow)) {
2803 dt2 = FP_TO_INT64_OVERFLOW;
2805 update_fcr31(env, GETPC());
2809 uint64_t helper_float_ceill_s(CPUMIPSState *env, uint32_t fst0)
2813 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2814 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2815 restore_rounding_mode(env);
2816 if (get_float_exception_flags(&env->active_fpu.fp_status)
2817 & (float_flag_invalid | float_flag_overflow)) {
2818 dt2 = FP_TO_INT64_OVERFLOW;
2820 update_fcr31(env, GETPC());
2824 uint32_t helper_float_ceilw_d(CPUMIPSState *env, uint64_t fdt0)
2828 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2829 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2830 restore_rounding_mode(env);
2831 if (get_float_exception_flags(&env->active_fpu.fp_status)
2832 & (float_flag_invalid | float_flag_overflow)) {
2833 wt2 = FP_TO_INT32_OVERFLOW;
2835 update_fcr31(env, GETPC());
2839 uint32_t helper_float_ceilw_s(CPUMIPSState *env, uint32_t fst0)
2843 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2844 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2845 restore_rounding_mode(env);
2846 if (get_float_exception_flags(&env->active_fpu.fp_status)
2847 & (float_flag_invalid | float_flag_overflow)) {
2848 wt2 = FP_TO_INT32_OVERFLOW;
2850 update_fcr31(env, GETPC());
2854 uint64_t helper_float_floorl_d(CPUMIPSState *env, uint64_t fdt0)
2858 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2859 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2860 restore_rounding_mode(env);
2861 if (get_float_exception_flags(&env->active_fpu.fp_status)
2862 & (float_flag_invalid | float_flag_overflow)) {
2863 dt2 = FP_TO_INT64_OVERFLOW;
2865 update_fcr31(env, GETPC());
2869 uint64_t helper_float_floorl_s(CPUMIPSState *env, uint32_t fst0)
2873 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2874 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2875 restore_rounding_mode(env);
2876 if (get_float_exception_flags(&env->active_fpu.fp_status)
2877 & (float_flag_invalid | float_flag_overflow)) {
2878 dt2 = FP_TO_INT64_OVERFLOW;
2880 update_fcr31(env, GETPC());
2884 uint32_t helper_float_floorw_d(CPUMIPSState *env, uint64_t fdt0)
2888 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2889 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2890 restore_rounding_mode(env);
2891 if (get_float_exception_flags(&env->active_fpu.fp_status)
2892 & (float_flag_invalid | float_flag_overflow)) {
2893 wt2 = FP_TO_INT32_OVERFLOW;
2895 update_fcr31(env, GETPC());
2899 uint32_t helper_float_floorw_s(CPUMIPSState *env, uint32_t fst0)
2903 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2904 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2905 restore_rounding_mode(env);
2906 if (get_float_exception_flags(&env->active_fpu.fp_status)
2907 & (float_flag_invalid | float_flag_overflow)) {
2908 wt2 = FP_TO_INT32_OVERFLOW;
2910 update_fcr31(env, GETPC());
2914 /* unary operations, not modifying fp status */
2915 #define FLOAT_UNOP(name) \
2916 uint64_t helper_float_ ## name ## _d(uint64_t fdt0) \
2918 return float64_ ## name(fdt0); \
2920 uint32_t helper_float_ ## name ## _s(uint32_t fst0) \
2922 return float32_ ## name(fst0); \
2924 uint64_t helper_float_ ## name ## _ps(uint64_t fdt0) \
2929 wt0 = float32_ ## name(fdt0 & 0XFFFFFFFF); \
2930 wth0 = float32_ ## name(fdt0 >> 32); \
2931 return ((uint64_t)wth0 << 32) | wt0; \
2937 /* MIPS specific unary operations */
2938 uint64_t helper_float_recip_d(CPUMIPSState *env, uint64_t fdt0)
2942 fdt2 = float64_div(float64_one, fdt0, &env->active_fpu.fp_status);
2943 update_fcr31(env, GETPC());
2947 uint32_t helper_float_recip_s(CPUMIPSState *env, uint32_t fst0)
2951 fst2 = float32_div(float32_one, fst0, &env->active_fpu.fp_status);
2952 update_fcr31(env, GETPC());
2956 uint64_t helper_float_rsqrt_d(CPUMIPSState *env, uint64_t fdt0)
2960 fdt2 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
2961 fdt2 = float64_div(float64_one, fdt2, &env->active_fpu.fp_status);
2962 update_fcr31(env, GETPC());
2966 uint32_t helper_float_rsqrt_s(CPUMIPSState *env, uint32_t fst0)
2970 fst2 = float32_sqrt(fst0, &env->active_fpu.fp_status);
2971 fst2 = float32_div(float32_one, fst2, &env->active_fpu.fp_status);
2972 update_fcr31(env, GETPC());
2976 uint64_t helper_float_recip1_d(CPUMIPSState *env, uint64_t fdt0)
2980 fdt2 = float64_div(float64_one, fdt0, &env->active_fpu.fp_status);
2981 update_fcr31(env, GETPC());
2985 uint32_t helper_float_recip1_s(CPUMIPSState *env, uint32_t fst0)
2989 fst2 = float32_div(float32_one, fst0, &env->active_fpu.fp_status);
2990 update_fcr31(env, GETPC());
2994 uint64_t helper_float_recip1_ps(CPUMIPSState *env, uint64_t fdt0)
2999 fst2 = float32_div(float32_one, fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
3000 fsth2 = float32_div(float32_one, fdt0 >> 32, &env->active_fpu.fp_status);
3001 update_fcr31(env, GETPC());
3002 return ((uint64_t)fsth2 << 32) | fst2;
3005 uint64_t helper_float_rsqrt1_d(CPUMIPSState *env, uint64_t fdt0)
3009 fdt2 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
3010 fdt2 = float64_div(float64_one, fdt2, &env->active_fpu.fp_status);
3011 update_fcr31(env, GETPC());
3015 uint32_t helper_float_rsqrt1_s(CPUMIPSState *env, uint32_t fst0)
3019 fst2 = float32_sqrt(fst0, &env->active_fpu.fp_status);
3020 fst2 = float32_div(float32_one, fst2, &env->active_fpu.fp_status);
3021 update_fcr31(env, GETPC());
3025 uint64_t helper_float_rsqrt1_ps(CPUMIPSState *env, uint64_t fdt0)
3030 fst2 = float32_sqrt(fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
3031 fsth2 = float32_sqrt(fdt0 >> 32, &env->active_fpu.fp_status);
3032 fst2 = float32_div(float32_one, fst2, &env->active_fpu.fp_status);
3033 fsth2 = float32_div(float32_one, fsth2, &env->active_fpu.fp_status);
3034 update_fcr31(env, GETPC());
3035 return ((uint64_t)fsth2 << 32) | fst2;
3038 #define FLOAT_RINT(name, bits) \
3039 uint ## bits ## _t helper_float_ ## name (CPUMIPSState *env, \
3040 uint ## bits ## _t fs) \
3042 uint ## bits ## _t fdret; \
3044 fdret = float ## bits ## _round_to_int(fs, &env->active_fpu.fp_status); \
3045 update_fcr31(env, GETPC()); \
3049 FLOAT_RINT(rint_s, 32)
3050 FLOAT_RINT(rint_d, 64)
3053 #define FLOAT_CLASS_SIGNALING_NAN 0x001
3054 #define FLOAT_CLASS_QUIET_NAN 0x002
3055 #define FLOAT_CLASS_NEGATIVE_INFINITY 0x004
3056 #define FLOAT_CLASS_NEGATIVE_NORMAL 0x008
3057 #define FLOAT_CLASS_NEGATIVE_SUBNORMAL 0x010
3058 #define FLOAT_CLASS_NEGATIVE_ZERO 0x020
3059 #define FLOAT_CLASS_POSITIVE_INFINITY 0x040
3060 #define FLOAT_CLASS_POSITIVE_NORMAL 0x080
3061 #define FLOAT_CLASS_POSITIVE_SUBNORMAL 0x100
3062 #define FLOAT_CLASS_POSITIVE_ZERO 0x200
3064 #define FLOAT_CLASS(name, bits) \
3065 uint ## bits ## _t helper_float_ ## name (uint ## bits ## _t arg) \
3067 if (float ## bits ## _is_signaling_nan(arg)) { \
3068 return FLOAT_CLASS_SIGNALING_NAN; \
3069 } else if (float ## bits ## _is_quiet_nan(arg)) { \
3070 return FLOAT_CLASS_QUIET_NAN; \
3071 } else if (float ## bits ## _is_neg(arg)) { \
3072 if (float ## bits ## _is_infinity(arg)) { \
3073 return FLOAT_CLASS_NEGATIVE_INFINITY; \
3074 } else if (float ## bits ## _is_zero(arg)) { \
3075 return FLOAT_CLASS_NEGATIVE_ZERO; \
3076 } else if (float ## bits ## _is_zero_or_denormal(arg)) { \
3077 return FLOAT_CLASS_NEGATIVE_SUBNORMAL; \
3079 return FLOAT_CLASS_NEGATIVE_NORMAL; \
3082 if (float ## bits ## _is_infinity(arg)) { \
3083 return FLOAT_CLASS_POSITIVE_INFINITY; \
3084 } else if (float ## bits ## _is_zero(arg)) { \
3085 return FLOAT_CLASS_POSITIVE_ZERO; \
3086 } else if (float ## bits ## _is_zero_or_denormal(arg)) { \
3087 return FLOAT_CLASS_POSITIVE_SUBNORMAL; \
3089 return FLOAT_CLASS_POSITIVE_NORMAL; \
3094 FLOAT_CLASS(class_s, 32)
3095 FLOAT_CLASS(class_d, 64)
3098 /* binary operations */
3099 #define FLOAT_BINOP(name) \
3100 uint64_t helper_float_ ## name ## _d(CPUMIPSState *env, \
3101 uint64_t fdt0, uint64_t fdt1) \
3105 dt2 = float64_ ## name (fdt0, fdt1, &env->active_fpu.fp_status); \
3106 update_fcr31(env, GETPC()); \
3110 uint32_t helper_float_ ## name ## _s(CPUMIPSState *env, \
3111 uint32_t fst0, uint32_t fst1) \
3115 wt2 = float32_ ## name (fst0, fst1, &env->active_fpu.fp_status); \
3116 update_fcr31(env, GETPC()); \
3120 uint64_t helper_float_ ## name ## _ps(CPUMIPSState *env, \
3124 uint32_t fst0 = fdt0 & 0XFFFFFFFF; \
3125 uint32_t fsth0 = fdt0 >> 32; \
3126 uint32_t fst1 = fdt1 & 0XFFFFFFFF; \
3127 uint32_t fsth1 = fdt1 >> 32; \
3131 wt2 = float32_ ## name (fst0, fst1, &env->active_fpu.fp_status); \
3132 wth2 = float32_ ## name (fsth0, fsth1, &env->active_fpu.fp_status); \
3133 update_fcr31(env, GETPC()); \
3134 return ((uint64_t)wth2 << 32) | wt2; \
3143 /* MIPS specific binary operations */
3144 uint64_t helper_float_recip2_d(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
3146 fdt2 = float64_mul(fdt0, fdt2, &env->active_fpu.fp_status);
3147 fdt2 = float64_chs(float64_sub(fdt2, float64_one, &env->active_fpu.fp_status));
3148 update_fcr31(env, GETPC());
3152 uint32_t helper_float_recip2_s(CPUMIPSState *env, uint32_t fst0, uint32_t fst2)
3154 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
3155 fst2 = float32_chs(float32_sub(fst2, float32_one, &env->active_fpu.fp_status));
3156 update_fcr31(env, GETPC());
3160 uint64_t helper_float_recip2_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
3162 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
3163 uint32_t fsth0 = fdt0 >> 32;
3164 uint32_t fst2 = fdt2 & 0XFFFFFFFF;
3165 uint32_t fsth2 = fdt2 >> 32;
3167 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
3168 fsth2 = float32_mul(fsth0, fsth2, &env->active_fpu.fp_status);
3169 fst2 = float32_chs(float32_sub(fst2, float32_one, &env->active_fpu.fp_status));
3170 fsth2 = float32_chs(float32_sub(fsth2, float32_one, &env->active_fpu.fp_status));
3171 update_fcr31(env, GETPC());
3172 return ((uint64_t)fsth2 << 32) | fst2;
3175 uint64_t helper_float_rsqrt2_d(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
3177 fdt2 = float64_mul(fdt0, fdt2, &env->active_fpu.fp_status);
3178 fdt2 = float64_sub(fdt2, float64_one, &env->active_fpu.fp_status);
3179 fdt2 = float64_chs(float64_div(fdt2, FLOAT_TWO64, &env->active_fpu.fp_status));
3180 update_fcr31(env, GETPC());
3184 uint32_t helper_float_rsqrt2_s(CPUMIPSState *env, uint32_t fst0, uint32_t fst2)
3186 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
3187 fst2 = float32_sub(fst2, float32_one, &env->active_fpu.fp_status);
3188 fst2 = float32_chs(float32_div(fst2, FLOAT_TWO32, &env->active_fpu.fp_status));
3189 update_fcr31(env, GETPC());
3193 uint64_t helper_float_rsqrt2_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
3195 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
3196 uint32_t fsth0 = fdt0 >> 32;
3197 uint32_t fst2 = fdt2 & 0XFFFFFFFF;
3198 uint32_t fsth2 = fdt2 >> 32;
3200 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
3201 fsth2 = float32_mul(fsth0, fsth2, &env->active_fpu.fp_status);
3202 fst2 = float32_sub(fst2, float32_one, &env->active_fpu.fp_status);
3203 fsth2 = float32_sub(fsth2, float32_one, &env->active_fpu.fp_status);
3204 fst2 = float32_chs(float32_div(fst2, FLOAT_TWO32, &env->active_fpu.fp_status));
3205 fsth2 = float32_chs(float32_div(fsth2, FLOAT_TWO32, &env->active_fpu.fp_status));
3206 update_fcr31(env, GETPC());
3207 return ((uint64_t)fsth2 << 32) | fst2;
3210 uint64_t helper_float_addr_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt1)
3212 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
3213 uint32_t fsth0 = fdt0 >> 32;
3214 uint32_t fst1 = fdt1 & 0XFFFFFFFF;
3215 uint32_t fsth1 = fdt1 >> 32;
3219 fst2 = float32_add (fst0, fsth0, &env->active_fpu.fp_status);
3220 fsth2 = float32_add (fst1, fsth1, &env->active_fpu.fp_status);
3221 update_fcr31(env, GETPC());
3222 return ((uint64_t)fsth2 << 32) | fst2;
3225 uint64_t helper_float_mulr_ps(CPUMIPSState *env, 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;
3234 fst2 = float32_mul (fst0, fsth0, &env->active_fpu.fp_status);
3235 fsth2 = float32_mul (fst1, fsth1, &env->active_fpu.fp_status);
3236 update_fcr31(env, GETPC());
3237 return ((uint64_t)fsth2 << 32) | fst2;
3240 #define FLOAT_MINMAX(name, bits, minmaxfunc) \
3241 uint ## bits ## _t helper_float_ ## name (CPUMIPSState *env, \
3242 uint ## bits ## _t fs, \
3243 uint ## bits ## _t ft) \
3245 uint ## bits ## _t fdret; \
3247 fdret = float ## bits ## _ ## minmaxfunc(fs, ft, \
3248 &env->active_fpu.fp_status); \
3249 update_fcr31(env, GETPC()); \
3253 FLOAT_MINMAX(max_s, 32, maxnum)
3254 FLOAT_MINMAX(max_d, 64, maxnum)
3255 FLOAT_MINMAX(maxa_s, 32, maxnummag)
3256 FLOAT_MINMAX(maxa_d, 64, maxnummag)
3258 FLOAT_MINMAX(min_s, 32, minnum)
3259 FLOAT_MINMAX(min_d, 64, minnum)
3260 FLOAT_MINMAX(mina_s, 32, minnummag)
3261 FLOAT_MINMAX(mina_d, 64, minnummag)
3264 /* ternary operations */
3265 #define UNFUSED_FMA(prefix, a, b, c, flags) \
3267 a = prefix##_mul(a, b, &env->active_fpu.fp_status); \
3268 if ((flags) & float_muladd_negate_c) { \
3269 a = prefix##_sub(a, c, &env->active_fpu.fp_status); \
3271 a = prefix##_add(a, c, &env->active_fpu.fp_status); \
3273 if ((flags) & float_muladd_negate_result) { \
3274 a = prefix##_chs(a); \
3278 /* FMA based operations */
3279 #define FLOAT_FMA(name, type) \
3280 uint64_t helper_float_ ## name ## _d(CPUMIPSState *env, \
3281 uint64_t fdt0, uint64_t fdt1, \
3284 UNFUSED_FMA(float64, fdt0, fdt1, fdt2, type); \
3285 update_fcr31(env, GETPC()); \
3289 uint32_t helper_float_ ## name ## _s(CPUMIPSState *env, \
3290 uint32_t fst0, uint32_t fst1, \
3293 UNFUSED_FMA(float32, fst0, fst1, fst2, type); \
3294 update_fcr31(env, GETPC()); \
3298 uint64_t helper_float_ ## name ## _ps(CPUMIPSState *env, \
3299 uint64_t fdt0, uint64_t fdt1, \
3302 uint32_t fst0 = fdt0 & 0XFFFFFFFF; \
3303 uint32_t fsth0 = fdt0 >> 32; \
3304 uint32_t fst1 = fdt1 & 0XFFFFFFFF; \
3305 uint32_t fsth1 = fdt1 >> 32; \
3306 uint32_t fst2 = fdt2 & 0XFFFFFFFF; \
3307 uint32_t fsth2 = fdt2 >> 32; \
3309 UNFUSED_FMA(float32, fst0, fst1, fst2, type); \
3310 UNFUSED_FMA(float32, fsth0, fsth1, fsth2, type); \
3311 update_fcr31(env, GETPC()); \
3312 return ((uint64_t)fsth0 << 32) | fst0; \
3315 FLOAT_FMA(msub, float_muladd_negate_c)
3316 FLOAT_FMA(nmadd, float_muladd_negate_result)
3317 FLOAT_FMA(nmsub, float_muladd_negate_result | float_muladd_negate_c)
3320 #define FLOAT_FMADDSUB(name, bits, muladd_arg) \
3321 uint ## bits ## _t helper_float_ ## name (CPUMIPSState *env, \
3322 uint ## bits ## _t fs, \
3323 uint ## bits ## _t ft, \
3324 uint ## bits ## _t fd) \
3326 uint ## bits ## _t fdret; \
3328 fdret = float ## bits ## _muladd(fs, ft, fd, muladd_arg, \
3329 &env->active_fpu.fp_status); \
3330 update_fcr31(env, GETPC()); \
3334 FLOAT_FMADDSUB(maddf_s, 32, 0)
3335 FLOAT_FMADDSUB(maddf_d, 64, 0)
3336 FLOAT_FMADDSUB(msubf_s, 32, float_muladd_negate_product)
3337 FLOAT_FMADDSUB(msubf_d, 64, float_muladd_negate_product)
3338 #undef FLOAT_FMADDSUB
3340 /* compare operations */
3341 #define FOP_COND_D(op, cond) \
3342 void helper_cmp_d_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3343 uint64_t fdt1, int cc) \
3347 update_fcr31(env, GETPC()); \
3349 SET_FP_COND(cc, env->active_fpu); \
3351 CLEAR_FP_COND(cc, env->active_fpu); \
3353 void helper_cmpabs_d_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3354 uint64_t fdt1, int cc) \
3357 fdt0 = float64_abs(fdt0); \
3358 fdt1 = float64_abs(fdt1); \
3360 update_fcr31(env, GETPC()); \
3362 SET_FP_COND(cc, env->active_fpu); \
3364 CLEAR_FP_COND(cc, env->active_fpu); \
3367 /* NOTE: the comma operator will make "cond" to eval to false,
3368 * but float64_unordered_quiet() is still called. */
3369 FOP_COND_D(f, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status), 0))
3370 FOP_COND_D(un, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status))
3371 FOP_COND_D(eq, float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3372 FOP_COND_D(ueq, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status) || float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3373 FOP_COND_D(olt, float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3374 FOP_COND_D(ult, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status) || float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3375 FOP_COND_D(ole, float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3376 FOP_COND_D(ule, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status) || float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3377 /* NOTE: the comma operator will make "cond" to eval to false,
3378 * but float64_unordered() is still called. */
3379 FOP_COND_D(sf, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status), 0))
3380 FOP_COND_D(ngle,float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status))
3381 FOP_COND_D(seq, float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
3382 FOP_COND_D(ngl, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status) || float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
3383 FOP_COND_D(lt, float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
3384 FOP_COND_D(nge, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status) || float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
3385 FOP_COND_D(le, float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
3386 FOP_COND_D(ngt, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status) || float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
3388 #define FOP_COND_S(op, cond) \
3389 void helper_cmp_s_ ## op(CPUMIPSState *env, uint32_t fst0, \
3390 uint32_t fst1, int cc) \
3394 update_fcr31(env, GETPC()); \
3396 SET_FP_COND(cc, env->active_fpu); \
3398 CLEAR_FP_COND(cc, env->active_fpu); \
3400 void helper_cmpabs_s_ ## op(CPUMIPSState *env, uint32_t fst0, \
3401 uint32_t fst1, int cc) \
3404 fst0 = float32_abs(fst0); \
3405 fst1 = float32_abs(fst1); \
3407 update_fcr31(env, GETPC()); \
3409 SET_FP_COND(cc, env->active_fpu); \
3411 CLEAR_FP_COND(cc, env->active_fpu); \
3414 /* NOTE: the comma operator will make "cond" to eval to false,
3415 * but float32_unordered_quiet() is still called. */
3416 FOP_COND_S(f, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status), 0))
3417 FOP_COND_S(un, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status))
3418 FOP_COND_S(eq, float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status))
3419 FOP_COND_S(ueq, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status))
3420 FOP_COND_S(olt, float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status))
3421 FOP_COND_S(ult, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status))
3422 FOP_COND_S(ole, float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status))
3423 FOP_COND_S(ule, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status))
3424 /* NOTE: the comma operator will make "cond" to eval to false,
3425 * but float32_unordered() is still called. */
3426 FOP_COND_S(sf, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status), 0))
3427 FOP_COND_S(ngle,float32_unordered(fst1, fst0, &env->active_fpu.fp_status))
3428 FOP_COND_S(seq, float32_eq(fst0, fst1, &env->active_fpu.fp_status))
3429 FOP_COND_S(ngl, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_eq(fst0, fst1, &env->active_fpu.fp_status))
3430 FOP_COND_S(lt, float32_lt(fst0, fst1, &env->active_fpu.fp_status))
3431 FOP_COND_S(nge, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_lt(fst0, fst1, &env->active_fpu.fp_status))
3432 FOP_COND_S(le, float32_le(fst0, fst1, &env->active_fpu.fp_status))
3433 FOP_COND_S(ngt, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_le(fst0, fst1, &env->active_fpu.fp_status))
3435 #define FOP_COND_PS(op, condl, condh) \
3436 void helper_cmp_ps_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3437 uint64_t fdt1, int cc) \
3439 uint32_t fst0, fsth0, fst1, fsth1; \
3441 fst0 = fdt0 & 0XFFFFFFFF; \
3442 fsth0 = fdt0 >> 32; \
3443 fst1 = fdt1 & 0XFFFFFFFF; \
3444 fsth1 = fdt1 >> 32; \
3447 update_fcr31(env, GETPC()); \
3449 SET_FP_COND(cc, env->active_fpu); \
3451 CLEAR_FP_COND(cc, env->active_fpu); \
3453 SET_FP_COND(cc + 1, env->active_fpu); \
3455 CLEAR_FP_COND(cc + 1, env->active_fpu); \
3457 void helper_cmpabs_ps_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3458 uint64_t fdt1, int cc) \
3460 uint32_t fst0, fsth0, fst1, fsth1; \
3462 fst0 = float32_abs(fdt0 & 0XFFFFFFFF); \
3463 fsth0 = float32_abs(fdt0 >> 32); \
3464 fst1 = float32_abs(fdt1 & 0XFFFFFFFF); \
3465 fsth1 = float32_abs(fdt1 >> 32); \
3468 update_fcr31(env, GETPC()); \
3470 SET_FP_COND(cc, env->active_fpu); \
3472 CLEAR_FP_COND(cc, env->active_fpu); \
3474 SET_FP_COND(cc + 1, env->active_fpu); \
3476 CLEAR_FP_COND(cc + 1, env->active_fpu); \
3479 /* NOTE: the comma operator will make "cond" to eval to false,
3480 * but float32_unordered_quiet() is still called. */
3481 FOP_COND_PS(f, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status), 0),
3482 (float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status), 0))
3483 FOP_COND_PS(un, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status),
3484 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status))
3485 FOP_COND_PS(eq, float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status),
3486 float32_eq_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3487 FOP_COND_PS(ueq, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status),
3488 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status) || float32_eq_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3489 FOP_COND_PS(olt, float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status),
3490 float32_lt_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3491 FOP_COND_PS(ult, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status),
3492 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status) || float32_lt_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3493 FOP_COND_PS(ole, float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status),
3494 float32_le_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3495 FOP_COND_PS(ule, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status),
3496 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status) || float32_le_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3497 /* NOTE: the comma operator will make "cond" to eval to false,
3498 * but float32_unordered() is still called. */
3499 FOP_COND_PS(sf, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status), 0),
3500 (float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status), 0))
3501 FOP_COND_PS(ngle,float32_unordered(fst1, fst0, &env->active_fpu.fp_status),
3502 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status))
3503 FOP_COND_PS(seq, float32_eq(fst0, fst1, &env->active_fpu.fp_status),
3504 float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
3505 FOP_COND_PS(ngl, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_eq(fst0, fst1, &env->active_fpu.fp_status),
3506 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status) || float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
3507 FOP_COND_PS(lt, float32_lt(fst0, fst1, &env->active_fpu.fp_status),
3508 float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
3509 FOP_COND_PS(nge, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_lt(fst0, fst1, &env->active_fpu.fp_status),
3510 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status) || float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
3511 FOP_COND_PS(le, float32_le(fst0, fst1, &env->active_fpu.fp_status),
3512 float32_le(fsth0, fsth1, &env->active_fpu.fp_status))
3513 FOP_COND_PS(ngt, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_le(fst0, fst1, &env->active_fpu.fp_status),
3514 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status) || float32_le(fsth0, fsth1, &env->active_fpu.fp_status))
3516 /* R6 compare operations */
3517 #define FOP_CONDN_D(op, cond) \
3518 uint64_t helper_r6_cmp_d_ ## op(CPUMIPSState * env, uint64_t fdt0, \
3523 update_fcr31(env, GETPC()); \
3531 /* NOTE: the comma operator will make "cond" to eval to false,
3532 * but float64_unordered_quiet() is still called. */
3533 FOP_CONDN_D(af, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status), 0))
3534 FOP_CONDN_D(un, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status)))
3535 FOP_CONDN_D(eq, (float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
3536 FOP_CONDN_D(ueq, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status)
3537 || float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
3538 FOP_CONDN_D(lt, (float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
3539 FOP_CONDN_D(ult, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status)
3540 || float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
3541 FOP_CONDN_D(le, (float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
3542 FOP_CONDN_D(ule, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status)
3543 || float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
3544 /* NOTE: the comma operator will make "cond" to eval to false,
3545 * but float64_unordered() is still called. */
3546 FOP_CONDN_D(saf, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status), 0))
3547 FOP_CONDN_D(sun, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status)))
3548 FOP_CONDN_D(seq, (float64_eq(fdt0, fdt1, &env->active_fpu.fp_status)))
3549 FOP_CONDN_D(sueq, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status)
3550 || float64_eq(fdt0, fdt1, &env->active_fpu.fp_status)))
3551 FOP_CONDN_D(slt, (float64_lt(fdt0, fdt1, &env->active_fpu.fp_status)))
3552 FOP_CONDN_D(sult, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status)
3553 || float64_lt(fdt0, fdt1, &env->active_fpu.fp_status)))
3554 FOP_CONDN_D(sle, (float64_le(fdt0, fdt1, &env->active_fpu.fp_status)))
3555 FOP_CONDN_D(sule, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status)
3556 || float64_le(fdt0, fdt1, &env->active_fpu.fp_status)))
3557 FOP_CONDN_D(or, (float64_le_quiet(fdt1, fdt0, &env->active_fpu.fp_status)
3558 || float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
3559 FOP_CONDN_D(une, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status)
3560 || float64_lt_quiet(fdt1, fdt0, &env->active_fpu.fp_status)
3561 || float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
3562 FOP_CONDN_D(ne, (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(sor, (float64_le(fdt1, fdt0, &env->active_fpu.fp_status)
3565 || float64_le(fdt0, fdt1, &env->active_fpu.fp_status)))
3566 FOP_CONDN_D(sune, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status)
3567 || float64_lt(fdt1, fdt0, &env->active_fpu.fp_status)
3568 || float64_lt(fdt0, fdt1, &env->active_fpu.fp_status)))
3569 FOP_CONDN_D(sne, (float64_lt(fdt1, fdt0, &env->active_fpu.fp_status)
3570 || float64_lt(fdt0, fdt1, &env->active_fpu.fp_status)))
3572 #define FOP_CONDN_S(op, cond) \
3573 uint32_t helper_r6_cmp_s_ ## op(CPUMIPSState * env, uint32_t fst0, \
3578 update_fcr31(env, GETPC()); \
3586 /* NOTE: the comma operator will make "cond" to eval to false,
3587 * but float32_unordered_quiet() is still called. */
3588 FOP_CONDN_S(af, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status), 0))
3589 FOP_CONDN_S(un, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status)))
3590 FOP_CONDN_S(eq, (float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status)))
3591 FOP_CONDN_S(ueq, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status)
3592 || float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status)))
3593 FOP_CONDN_S(lt, (float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status)))
3594 FOP_CONDN_S(ult, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status)
3595 || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status)))
3596 FOP_CONDN_S(le, (float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status)))
3597 FOP_CONDN_S(ule, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status)
3598 || float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status)))
3599 /* NOTE: the comma operator will make "cond" to eval to false,
3600 * but float32_unordered() is still called. */
3601 FOP_CONDN_S(saf, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status), 0))
3602 FOP_CONDN_S(sun, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status)))
3603 FOP_CONDN_S(seq, (float32_eq(fst0, fst1, &env->active_fpu.fp_status)))
3604 FOP_CONDN_S(sueq, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status)
3605 || float32_eq(fst0, fst1, &env->active_fpu.fp_status)))
3606 FOP_CONDN_S(slt, (float32_lt(fst0, fst1, &env->active_fpu.fp_status)))
3607 FOP_CONDN_S(sult, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status)
3608 || float32_lt(fst0, fst1, &env->active_fpu.fp_status)))
3609 FOP_CONDN_S(sle, (float32_le(fst0, fst1, &env->active_fpu.fp_status)))
3610 FOP_CONDN_S(sule, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status)
3611 || float32_le(fst0, fst1, &env->active_fpu.fp_status)))
3612 FOP_CONDN_S(or, (float32_le_quiet(fst1, fst0, &env->active_fpu.fp_status)
3613 || float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status)))
3614 FOP_CONDN_S(une, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status)
3615 || float32_lt_quiet(fst1, fst0, &env->active_fpu.fp_status)
3616 || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status)))
3617 FOP_CONDN_S(ne, (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(sor, (float32_le(fst1, fst0, &env->active_fpu.fp_status)
3620 || float32_le(fst0, fst1, &env->active_fpu.fp_status)))
3621 FOP_CONDN_S(sune, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status)
3622 || float32_lt(fst1, fst0, &env->active_fpu.fp_status)
3623 || float32_lt(fst0, fst1, &env->active_fpu.fp_status)))
3624 FOP_CONDN_S(sne, (float32_lt(fst1, fst0, &env->active_fpu.fp_status)
3625 || float32_lt(fst0, fst1, &env->active_fpu.fp_status)))
3628 /* Data format min and max values */
3629 #define DF_BITS(df) (1 << ((df) + 3))
3631 /* Element-by-element access macros */
3632 #define DF_ELEMENTS(df) (MSA_WRLEN / DF_BITS(df))
3634 #if !defined(CONFIG_USER_ONLY)
3635 #define MEMOP_IDX(DF) \
3636 TCGMemOpIdx oi = make_memop_idx(MO_TE | DF | MO_UNALN, \
3637 cpu_mmu_index(env, false));
3639 #define MEMOP_IDX(DF)
3642 #define MSA_LD_DF(DF, TYPE, LD_INSN, ...) \
3643 void helper_msa_ld_ ## TYPE(CPUMIPSState *env, uint32_t wd, \
3644 target_ulong addr) \
3646 wr_t *pwd = &(env->active_fpu.fpr[wd].wr); \
3650 for (i = 0; i < DF_ELEMENTS(DF); i++) { \
3651 wx.TYPE[i] = LD_INSN(env, addr + (i << DF), ##__VA_ARGS__); \
3653 memcpy(pwd, &wx, sizeof(wr_t)); \
3656 #if !defined(CONFIG_USER_ONLY)
3657 MSA_LD_DF(DF_BYTE, b, helper_ret_ldub_mmu, oi, GETRA())
3658 MSA_LD_DF(DF_HALF, h, helper_ret_lduw_mmu, oi, GETRA())
3659 MSA_LD_DF(DF_WORD, w, helper_ret_ldul_mmu, oi, GETRA())
3660 MSA_LD_DF(DF_DOUBLE, d, helper_ret_ldq_mmu, oi, GETRA())
3662 MSA_LD_DF(DF_BYTE, b, cpu_ldub_data)
3663 MSA_LD_DF(DF_HALF, h, cpu_lduw_data)
3664 MSA_LD_DF(DF_WORD, w, cpu_ldl_data)
3665 MSA_LD_DF(DF_DOUBLE, d, cpu_ldq_data)
3668 #define MSA_PAGESPAN(x) \
3669 ((((x) & ~TARGET_PAGE_MASK) + MSA_WRLEN/8 - 1) >= TARGET_PAGE_SIZE)
3671 static inline void ensure_writable_pages(CPUMIPSState *env,
3676 #if !defined(CONFIG_USER_ONLY)
3677 target_ulong page_addr;
3678 if (unlikely(MSA_PAGESPAN(addr))) {
3680 probe_write(env, addr, mmu_idx, retaddr);
3682 page_addr = (addr & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE;
3683 probe_write(env, page_addr, mmu_idx, retaddr);
3688 #define MSA_ST_DF(DF, TYPE, ST_INSN, ...) \
3689 void helper_msa_st_ ## TYPE(CPUMIPSState *env, uint32_t wd, \
3690 target_ulong addr) \
3692 wr_t *pwd = &(env->active_fpu.fpr[wd].wr); \
3693 int mmu_idx = cpu_mmu_index(env, false); \
3696 ensure_writable_pages(env, addr, mmu_idx, GETRA()); \
3697 for (i = 0; i < DF_ELEMENTS(DF); i++) { \
3698 ST_INSN(env, addr + (i << DF), pwd->TYPE[i], ##__VA_ARGS__); \
3702 #if !defined(CONFIG_USER_ONLY)
3703 MSA_ST_DF(DF_BYTE, b, helper_ret_stb_mmu, oi, GETRA())
3704 MSA_ST_DF(DF_HALF, h, helper_ret_stw_mmu, oi, GETRA())
3705 MSA_ST_DF(DF_WORD, w, helper_ret_stl_mmu, oi, GETRA())
3706 MSA_ST_DF(DF_DOUBLE, d, helper_ret_stq_mmu, oi, GETRA())
3708 MSA_ST_DF(DF_BYTE, b, cpu_stb_data)
3709 MSA_ST_DF(DF_HALF, h, cpu_stw_data)
3710 MSA_ST_DF(DF_WORD, w, cpu_stl_data)
3711 MSA_ST_DF(DF_DOUBLE, d, cpu_stq_data)