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 /*****************************************************************************/
27 /* Exceptions processing helpers */
29 void helper_raise_exception_err(CPUMIPSState *env, uint32_t exception,
32 do_raise_exception_err(env, exception, error_code, 0);
35 void helper_raise_exception(CPUMIPSState *env, uint32_t exception)
37 do_raise_exception(env, exception, GETPC());
40 void helper_raise_exception_debug(CPUMIPSState *env)
42 do_raise_exception(env, EXCP_DEBUG, 0);
45 static void raise_exception(CPUMIPSState *env, uint32_t exception)
47 do_raise_exception(env, exception, 0);
50 #if defined(CONFIG_USER_ONLY)
51 #define HELPER_LD(name, insn, type) \
52 static inline type do_##name(CPUMIPSState *env, target_ulong addr, \
53 int mem_idx, uintptr_t retaddr) \
55 return (type) cpu_##insn##_data_ra(env, addr, retaddr); \
58 #define HELPER_LD(name, insn, type) \
59 static inline type do_##name(CPUMIPSState *env, target_ulong addr, \
60 int mem_idx, uintptr_t retaddr) \
64 case 0: return (type) cpu_##insn##_kernel_ra(env, addr, retaddr); \
65 case 1: return (type) cpu_##insn##_super_ra(env, addr, retaddr); \
67 case 2: return (type) cpu_##insn##_user_ra(env, addr, retaddr); \
71 HELPER_LD(lw, ldl, int32_t)
72 #if defined(TARGET_MIPS64)
73 HELPER_LD(ld, ldq, int64_t)
77 #if defined(CONFIG_USER_ONLY)
78 #define HELPER_ST(name, insn, type) \
79 static inline void do_##name(CPUMIPSState *env, target_ulong addr, \
80 type val, int mem_idx, uintptr_t retaddr) \
82 cpu_##insn##_data_ra(env, addr, val, retaddr); \
85 #define HELPER_ST(name, insn, type) \
86 static inline void do_##name(CPUMIPSState *env, target_ulong addr, \
87 type val, int mem_idx, uintptr_t retaddr) \
91 case 0: cpu_##insn##_kernel_ra(env, addr, val, retaddr); break; \
92 case 1: cpu_##insn##_super_ra(env, addr, val, retaddr); break; \
94 case 2: cpu_##insn##_user_ra(env, addr, val, retaddr); break; \
98 HELPER_ST(sb, stb, uint8_t)
99 HELPER_ST(sw, stl, uint32_t)
100 #if defined(TARGET_MIPS64)
101 HELPER_ST(sd, stq, uint64_t)
105 target_ulong helper_clo (target_ulong arg1)
110 target_ulong helper_clz (target_ulong arg1)
115 #if defined(TARGET_MIPS64)
116 target_ulong helper_dclo (target_ulong arg1)
121 target_ulong helper_dclz (target_ulong arg1)
125 #endif /* TARGET_MIPS64 */
127 /* 64 bits arithmetic for 32 bits hosts */
128 static inline uint64_t get_HILO(CPUMIPSState *env)
130 return ((uint64_t)(env->active_tc.HI[0]) << 32) | (uint32_t)env->active_tc.LO[0];
133 static inline target_ulong set_HIT0_LO(CPUMIPSState *env, uint64_t HILO)
136 env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF);
137 tmp = env->active_tc.HI[0] = (int32_t)(HILO >> 32);
141 static inline target_ulong set_HI_LOT0(CPUMIPSState *env, uint64_t HILO)
143 target_ulong tmp = env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF);
144 env->active_tc.HI[0] = (int32_t)(HILO >> 32);
148 /* Multiplication variants of the vr54xx. */
149 target_ulong helper_muls(CPUMIPSState *env, target_ulong arg1,
152 return set_HI_LOT0(env, 0 - ((int64_t)(int32_t)arg1 *
153 (int64_t)(int32_t)arg2));
156 target_ulong helper_mulsu(CPUMIPSState *env, target_ulong arg1,
159 return set_HI_LOT0(env, 0 - (uint64_t)(uint32_t)arg1 *
160 (uint64_t)(uint32_t)arg2);
163 target_ulong helper_macc(CPUMIPSState *env, target_ulong arg1,
166 return set_HI_LOT0(env, (int64_t)get_HILO(env) + (int64_t)(int32_t)arg1 *
167 (int64_t)(int32_t)arg2);
170 target_ulong helper_macchi(CPUMIPSState *env, target_ulong arg1,
173 return set_HIT0_LO(env, (int64_t)get_HILO(env) + (int64_t)(int32_t)arg1 *
174 (int64_t)(int32_t)arg2);
177 target_ulong helper_maccu(CPUMIPSState *env, target_ulong arg1,
180 return set_HI_LOT0(env, (uint64_t)get_HILO(env) +
181 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
184 target_ulong helper_macchiu(CPUMIPSState *env, target_ulong arg1,
187 return set_HIT0_LO(env, (uint64_t)get_HILO(env) +
188 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
191 target_ulong helper_msac(CPUMIPSState *env, target_ulong arg1,
194 return set_HI_LOT0(env, (int64_t)get_HILO(env) - (int64_t)(int32_t)arg1 *
195 (int64_t)(int32_t)arg2);
198 target_ulong helper_msachi(CPUMIPSState *env, target_ulong arg1,
201 return set_HIT0_LO(env, (int64_t)get_HILO(env) - (int64_t)(int32_t)arg1 *
202 (int64_t)(int32_t)arg2);
205 target_ulong helper_msacu(CPUMIPSState *env, target_ulong arg1,
208 return set_HI_LOT0(env, (uint64_t)get_HILO(env) -
209 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
212 target_ulong helper_msachiu(CPUMIPSState *env, target_ulong arg1,
215 return set_HIT0_LO(env, (uint64_t)get_HILO(env) -
216 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
219 target_ulong helper_mulhi(CPUMIPSState *env, target_ulong arg1,
222 return set_HIT0_LO(env, (int64_t)(int32_t)arg1 * (int64_t)(int32_t)arg2);
225 target_ulong helper_mulhiu(CPUMIPSState *env, target_ulong arg1,
228 return set_HIT0_LO(env, (uint64_t)(uint32_t)arg1 *
229 (uint64_t)(uint32_t)arg2);
232 target_ulong helper_mulshi(CPUMIPSState *env, target_ulong arg1,
235 return set_HIT0_LO(env, 0 - (int64_t)(int32_t)arg1 *
236 (int64_t)(int32_t)arg2);
239 target_ulong helper_mulshiu(CPUMIPSState *env, target_ulong arg1,
242 return set_HIT0_LO(env, 0 - (uint64_t)(uint32_t)arg1 *
243 (uint64_t)(uint32_t)arg2);
246 static inline target_ulong bitswap(target_ulong v)
248 v = ((v >> 1) & (target_ulong)0x5555555555555555ULL) |
249 ((v & (target_ulong)0x5555555555555555ULL) << 1);
250 v = ((v >> 2) & (target_ulong)0x3333333333333333ULL) |
251 ((v & (target_ulong)0x3333333333333333ULL) << 2);
252 v = ((v >> 4) & (target_ulong)0x0F0F0F0F0F0F0F0FULL) |
253 ((v & (target_ulong)0x0F0F0F0F0F0F0F0FULL) << 4);
258 target_ulong helper_dbitswap(target_ulong rt)
264 target_ulong helper_bitswap(target_ulong rt)
266 return (int32_t)bitswap(rt);
269 #ifndef CONFIG_USER_ONLY
271 static inline hwaddr do_translate_address(CPUMIPSState *env,
272 target_ulong address,
273 int rw, uintptr_t retaddr)
276 CPUState *cs = CPU(mips_env_get_cpu(env));
278 lladdr = cpu_mips_translate_address(env, address, rw);
280 if (lladdr == -1LL) {
281 cpu_loop_exit_restore(cs, retaddr);
287 #define HELPER_LD_ATOMIC(name, insn, almask) \
288 target_ulong helper_##name(CPUMIPSState *env, target_ulong arg, int mem_idx) \
290 if (arg & almask) { \
291 env->CP0_BadVAddr = arg; \
292 do_raise_exception(env, EXCP_AdEL, GETPC()); \
294 env->lladdr = do_translate_address(env, arg, 0, GETPC()); \
295 env->llval = do_##insn(env, arg, mem_idx, GETPC()); \
298 HELPER_LD_ATOMIC(ll, lw, 0x3)
300 HELPER_LD_ATOMIC(lld, ld, 0x7)
302 #undef HELPER_LD_ATOMIC
304 #define HELPER_ST_ATOMIC(name, ld_insn, st_insn, almask) \
305 target_ulong helper_##name(CPUMIPSState *env, target_ulong arg1, \
306 target_ulong arg2, int mem_idx) \
310 if (arg2 & almask) { \
311 env->CP0_BadVAddr = arg2; \
312 do_raise_exception(env, EXCP_AdES, GETPC()); \
314 if (do_translate_address(env, arg2, 1, GETPC()) == env->lladdr) { \
315 tmp = do_##ld_insn(env, arg2, mem_idx, GETPC()); \
316 if (tmp == env->llval) { \
317 do_##st_insn(env, arg2, arg1, mem_idx, GETPC()); \
323 HELPER_ST_ATOMIC(sc, lw, sw, 0x3)
325 HELPER_ST_ATOMIC(scd, ld, sd, 0x7)
327 #undef HELPER_ST_ATOMIC
330 #ifdef TARGET_WORDS_BIGENDIAN
331 #define GET_LMASK(v) ((v) & 3)
332 #define GET_OFFSET(addr, offset) (addr + (offset))
334 #define GET_LMASK(v) (((v) & 3) ^ 3)
335 #define GET_OFFSET(addr, offset) (addr - (offset))
338 void helper_swl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
341 do_sb(env, arg2, (uint8_t)(arg1 >> 24), mem_idx, GETPC());
343 if (GET_LMASK(arg2) <= 2) {
344 do_sb(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 16), mem_idx,
348 if (GET_LMASK(arg2) <= 1) {
349 do_sb(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 8), mem_idx,
353 if (GET_LMASK(arg2) == 0) {
354 do_sb(env, GET_OFFSET(arg2, 3), (uint8_t)arg1, mem_idx,
359 void helper_swr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
362 do_sb(env, arg2, (uint8_t)arg1, mem_idx, GETPC());
364 if (GET_LMASK(arg2) >= 1) {
365 do_sb(env, GET_OFFSET(arg2, -1), (uint8_t)(arg1 >> 8), mem_idx,
369 if (GET_LMASK(arg2) >= 2) {
370 do_sb(env, GET_OFFSET(arg2, -2), (uint8_t)(arg1 >> 16), mem_idx,
374 if (GET_LMASK(arg2) == 3) {
375 do_sb(env, GET_OFFSET(arg2, -3), (uint8_t)(arg1 >> 24), mem_idx,
380 #if defined(TARGET_MIPS64)
381 /* "half" load and stores. We must do the memory access inline,
382 or fault handling won't work. */
384 #ifdef TARGET_WORDS_BIGENDIAN
385 #define GET_LMASK64(v) ((v) & 7)
387 #define GET_LMASK64(v) (((v) & 7) ^ 7)
390 void helper_sdl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
393 do_sb(env, arg2, (uint8_t)(arg1 >> 56), mem_idx, GETPC());
395 if (GET_LMASK64(arg2) <= 6) {
396 do_sb(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 48), mem_idx,
400 if (GET_LMASK64(arg2) <= 5) {
401 do_sb(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 40), mem_idx,
405 if (GET_LMASK64(arg2) <= 4) {
406 do_sb(env, GET_OFFSET(arg2, 3), (uint8_t)(arg1 >> 32), mem_idx,
410 if (GET_LMASK64(arg2) <= 3) {
411 do_sb(env, GET_OFFSET(arg2, 4), (uint8_t)(arg1 >> 24), mem_idx,
415 if (GET_LMASK64(arg2) <= 2) {
416 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,
425 if (GET_LMASK64(arg2) <= 0) {
426 do_sb(env, GET_OFFSET(arg2, 7), (uint8_t)arg1, mem_idx,
431 void helper_sdr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
434 do_sb(env, arg2, (uint8_t)arg1, mem_idx, GETPC());
436 if (GET_LMASK64(arg2) >= 1) {
437 do_sb(env, GET_OFFSET(arg2, -1), (uint8_t)(arg1 >> 8), mem_idx,
441 if (GET_LMASK64(arg2) >= 2) {
442 do_sb(env, GET_OFFSET(arg2, -2), (uint8_t)(arg1 >> 16), mem_idx,
446 if (GET_LMASK64(arg2) >= 3) {
447 do_sb(env, GET_OFFSET(arg2, -3), (uint8_t)(arg1 >> 24), mem_idx,
451 if (GET_LMASK64(arg2) >= 4) {
452 do_sb(env, GET_OFFSET(arg2, -4), (uint8_t)(arg1 >> 32), mem_idx,
456 if (GET_LMASK64(arg2) >= 5) {
457 do_sb(env, GET_OFFSET(arg2, -5), (uint8_t)(arg1 >> 40), mem_idx,
461 if (GET_LMASK64(arg2) >= 6) {
462 do_sb(env, GET_OFFSET(arg2, -6), (uint8_t)(arg1 >> 48), mem_idx,
466 if (GET_LMASK64(arg2) == 7) {
467 do_sb(env, GET_OFFSET(arg2, -7), (uint8_t)(arg1 >> 56), mem_idx,
471 #endif /* TARGET_MIPS64 */
473 static const int multiple_regs[] = { 16, 17, 18, 19, 20, 21, 22, 23, 30 };
475 void helper_lwm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
478 target_ulong base_reglist = reglist & 0xf;
479 target_ulong do_r31 = reglist & 0x10;
481 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
484 for (i = 0; i < base_reglist; i++) {
485 env->active_tc.gpr[multiple_regs[i]] =
486 (target_long)do_lw(env, addr, mem_idx, GETPC());
492 env->active_tc.gpr[31] = (target_long)do_lw(env, addr, mem_idx,
497 void helper_swm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
500 target_ulong base_reglist = reglist & 0xf;
501 target_ulong do_r31 = reglist & 0x10;
503 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
506 for (i = 0; i < base_reglist; i++) {
507 do_sw(env, addr, env->active_tc.gpr[multiple_regs[i]], mem_idx,
514 do_sw(env, addr, env->active_tc.gpr[31], mem_idx, GETPC());
518 #if defined(TARGET_MIPS64)
519 void helper_ldm(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 env->active_tc.gpr[multiple_regs[i]] = do_ld(env, addr, mem_idx,
536 env->active_tc.gpr[31] = do_ld(env, addr, mem_idx, GETPC());
540 void helper_sdm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
543 target_ulong base_reglist = reglist & 0xf;
544 target_ulong do_r31 = reglist & 0x10;
546 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
549 for (i = 0; i < base_reglist; i++) {
550 do_sd(env, addr, env->active_tc.gpr[multiple_regs[i]], mem_idx,
557 do_sd(env, addr, env->active_tc.gpr[31], mem_idx, GETPC());
562 #ifndef CONFIG_USER_ONLY
564 static bool mips_vpe_is_wfi(MIPSCPU *c)
566 CPUState *cpu = CPU(c);
567 CPUMIPSState *env = &c->env;
569 /* If the VPE is halted but otherwise active, it means it's waiting for
571 return cpu->halted && mips_vpe_active(env);
574 static inline void mips_vpe_wake(MIPSCPU *c)
576 /* Dont set ->halted = 0 directly, let it be done via cpu_has_work
577 because there might be other conditions that state that c should
579 cpu_interrupt(CPU(c), CPU_INTERRUPT_WAKE);
582 static inline void mips_vpe_sleep(MIPSCPU *cpu)
584 CPUState *cs = CPU(cpu);
586 /* The VPE was shut off, really go to bed.
587 Reset any old _WAKE requests. */
589 cpu_reset_interrupt(cs, CPU_INTERRUPT_WAKE);
592 static inline void mips_tc_wake(MIPSCPU *cpu, int tc)
594 CPUMIPSState *c = &cpu->env;
596 /* FIXME: TC reschedule. */
597 if (mips_vpe_active(c) && !mips_vpe_is_wfi(cpu)) {
602 static inline void mips_tc_sleep(MIPSCPU *cpu, int tc)
604 CPUMIPSState *c = &cpu->env;
606 /* FIXME: TC reschedule. */
607 if (!mips_vpe_active(c)) {
614 * @env: CPU from which mapping is performed.
615 * @tc: Should point to an int with the value of the global TC index.
617 * This function will transform @tc into a local index within the
618 * returned #CPUMIPSState.
620 /* FIXME: This code assumes that all VPEs have the same number of TCs,
621 which depends on runtime setup. Can probably be fixed by
622 walking the list of CPUMIPSStates. */
623 static CPUMIPSState *mips_cpu_map_tc(CPUMIPSState *env, int *tc)
631 if (!(env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP))) {
632 /* Not allowed to address other CPUs. */
633 *tc = env->current_tc;
637 cs = CPU(mips_env_get_cpu(env));
638 vpe_idx = tc_idx / cs->nr_threads;
639 *tc = tc_idx % cs->nr_threads;
640 other_cs = qemu_get_cpu(vpe_idx);
641 if (other_cs == NULL) {
644 cpu = MIPS_CPU(other_cs);
648 /* The per VPE CP0_Status register shares some fields with the per TC
649 CP0_TCStatus registers. These fields are wired to the same registers,
650 so changes to either of them should be reflected on both registers.
652 Also, EntryHi shares the bottom 8 bit ASID with TCStauts.
654 These helper call synchronizes the regs for a given cpu. */
656 /* Called for updates to CP0_Status. Defined in "cpu.h" for gdbstub.c. */
657 /* static inline void sync_c0_status(CPUMIPSState *env, CPUMIPSState *cpu,
660 /* Called for updates to CP0_TCStatus. */
661 static void sync_c0_tcstatus(CPUMIPSState *cpu, int tc,
665 uint32_t tcu, tmx, tasid, tksu;
666 uint32_t mask = ((1U << CP0St_CU3)
673 tcu = (v >> CP0TCSt_TCU0) & 0xf;
674 tmx = (v >> CP0TCSt_TMX) & 0x1;
676 tksu = (v >> CP0TCSt_TKSU) & 0x3;
678 status = tcu << CP0St_CU0;
679 status |= tmx << CP0St_MX;
680 status |= tksu << CP0St_KSU;
682 cpu->CP0_Status &= ~mask;
683 cpu->CP0_Status |= status;
685 /* Sync the TASID with EntryHi. */
686 cpu->CP0_EntryHi &= ~0xff;
687 cpu->CP0_EntryHi |= tasid;
692 /* Called for updates to CP0_EntryHi. */
693 static void sync_c0_entryhi(CPUMIPSState *cpu, int tc)
696 uint32_t asid, v = cpu->CP0_EntryHi;
700 if (tc == cpu->current_tc) {
701 tcst = &cpu->active_tc.CP0_TCStatus;
703 tcst = &cpu->tcs[tc].CP0_TCStatus;
711 target_ulong helper_mfc0_mvpcontrol(CPUMIPSState *env)
713 return env->mvp->CP0_MVPControl;
716 target_ulong helper_mfc0_mvpconf0(CPUMIPSState *env)
718 return env->mvp->CP0_MVPConf0;
721 target_ulong helper_mfc0_mvpconf1(CPUMIPSState *env)
723 return env->mvp->CP0_MVPConf1;
726 target_ulong helper_mfc0_random(CPUMIPSState *env)
728 return (int32_t)cpu_mips_get_random(env);
731 target_ulong helper_mfc0_tcstatus(CPUMIPSState *env)
733 return env->active_tc.CP0_TCStatus;
736 target_ulong helper_mftc0_tcstatus(CPUMIPSState *env)
738 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
739 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
741 if (other_tc == other->current_tc)
742 return other->active_tc.CP0_TCStatus;
744 return other->tcs[other_tc].CP0_TCStatus;
747 target_ulong helper_mfc0_tcbind(CPUMIPSState *env)
749 return env->active_tc.CP0_TCBind;
752 target_ulong helper_mftc0_tcbind(CPUMIPSState *env)
754 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
755 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
757 if (other_tc == other->current_tc)
758 return other->active_tc.CP0_TCBind;
760 return other->tcs[other_tc].CP0_TCBind;
763 target_ulong helper_mfc0_tcrestart(CPUMIPSState *env)
765 return env->active_tc.PC;
768 target_ulong helper_mftc0_tcrestart(CPUMIPSState *env)
770 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
771 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
773 if (other_tc == other->current_tc)
774 return other->active_tc.PC;
776 return other->tcs[other_tc].PC;
779 target_ulong helper_mfc0_tchalt(CPUMIPSState *env)
781 return env->active_tc.CP0_TCHalt;
784 target_ulong helper_mftc0_tchalt(CPUMIPSState *env)
786 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
787 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
789 if (other_tc == other->current_tc)
790 return other->active_tc.CP0_TCHalt;
792 return other->tcs[other_tc].CP0_TCHalt;
795 target_ulong helper_mfc0_tccontext(CPUMIPSState *env)
797 return env->active_tc.CP0_TCContext;
800 target_ulong helper_mftc0_tccontext(CPUMIPSState *env)
802 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
803 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
805 if (other_tc == other->current_tc)
806 return other->active_tc.CP0_TCContext;
808 return other->tcs[other_tc].CP0_TCContext;
811 target_ulong helper_mfc0_tcschedule(CPUMIPSState *env)
813 return env->active_tc.CP0_TCSchedule;
816 target_ulong helper_mftc0_tcschedule(CPUMIPSState *env)
818 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
819 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
821 if (other_tc == other->current_tc)
822 return other->active_tc.CP0_TCSchedule;
824 return other->tcs[other_tc].CP0_TCSchedule;
827 target_ulong helper_mfc0_tcschefback(CPUMIPSState *env)
829 return env->active_tc.CP0_TCScheFBack;
832 target_ulong helper_mftc0_tcschefback(CPUMIPSState *env)
834 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
835 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
837 if (other_tc == other->current_tc)
838 return other->active_tc.CP0_TCScheFBack;
840 return other->tcs[other_tc].CP0_TCScheFBack;
843 target_ulong helper_mfc0_count(CPUMIPSState *env)
845 return (int32_t)cpu_mips_get_count(env);
848 target_ulong helper_mftc0_entryhi(CPUMIPSState *env)
850 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
851 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
853 return other->CP0_EntryHi;
856 target_ulong helper_mftc0_cause(CPUMIPSState *env)
858 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
860 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
862 if (other_tc == other->current_tc) {
863 tccause = other->CP0_Cause;
865 tccause = other->CP0_Cause;
871 target_ulong helper_mftc0_status(CPUMIPSState *env)
873 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
874 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
876 return other->CP0_Status;
879 target_ulong helper_mfc0_lladdr(CPUMIPSState *env)
881 return (int32_t)(env->lladdr >> env->CP0_LLAddr_shift);
884 target_ulong helper_mfc0_watchlo(CPUMIPSState *env, uint32_t sel)
886 return (int32_t)env->CP0_WatchLo[sel];
889 target_ulong helper_mfc0_watchhi(CPUMIPSState *env, uint32_t sel)
891 return env->CP0_WatchHi[sel];
894 target_ulong helper_mfc0_debug(CPUMIPSState *env)
896 target_ulong t0 = env->CP0_Debug;
897 if (env->hflags & MIPS_HFLAG_DM)
903 target_ulong helper_mftc0_debug(CPUMIPSState *env)
905 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
907 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
909 if (other_tc == other->current_tc)
910 tcstatus = other->active_tc.CP0_Debug_tcstatus;
912 tcstatus = other->tcs[other_tc].CP0_Debug_tcstatus;
914 /* XXX: Might be wrong, check with EJTAG spec. */
915 return (other->CP0_Debug & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) |
916 (tcstatus & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt)));
919 #if defined(TARGET_MIPS64)
920 target_ulong helper_dmfc0_tcrestart(CPUMIPSState *env)
922 return env->active_tc.PC;
925 target_ulong helper_dmfc0_tchalt(CPUMIPSState *env)
927 return env->active_tc.CP0_TCHalt;
930 target_ulong helper_dmfc0_tccontext(CPUMIPSState *env)
932 return env->active_tc.CP0_TCContext;
935 target_ulong helper_dmfc0_tcschedule(CPUMIPSState *env)
937 return env->active_tc.CP0_TCSchedule;
940 target_ulong helper_dmfc0_tcschefback(CPUMIPSState *env)
942 return env->active_tc.CP0_TCScheFBack;
945 target_ulong helper_dmfc0_lladdr(CPUMIPSState *env)
947 return env->lladdr >> env->CP0_LLAddr_shift;
950 target_ulong helper_dmfc0_watchlo(CPUMIPSState *env, uint32_t sel)
952 return env->CP0_WatchLo[sel];
954 #endif /* TARGET_MIPS64 */
956 void helper_mtc0_index(CPUMIPSState *env, target_ulong arg1)
958 uint32_t index_p = env->CP0_Index & 0x80000000;
959 uint32_t tlb_index = arg1 & 0x7fffffff;
960 if (tlb_index < env->tlb->nb_tlb) {
961 if (env->insn_flags & ISA_MIPS32R6) {
962 index_p |= arg1 & 0x80000000;
964 env->CP0_Index = index_p | tlb_index;
968 void helper_mtc0_mvpcontrol(CPUMIPSState *env, target_ulong arg1)
973 if (env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP))
974 mask |= (1 << CP0MVPCo_CPA) | (1 << CP0MVPCo_VPC) |
976 if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
977 mask |= (1 << CP0MVPCo_STLB);
978 newval = (env->mvp->CP0_MVPControl & ~mask) | (arg1 & mask);
980 // TODO: Enable/disable shared TLB, enable/disable VPEs.
982 env->mvp->CP0_MVPControl = newval;
985 void helper_mtc0_vpecontrol(CPUMIPSState *env, target_ulong arg1)
990 mask = (1 << CP0VPECo_YSI) | (1 << CP0VPECo_GSI) |
991 (1 << CP0VPECo_TE) | (0xff << CP0VPECo_TargTC);
992 newval = (env->CP0_VPEControl & ~mask) | (arg1 & mask);
994 /* Yield scheduler intercept not implemented. */
995 /* Gating storage scheduler intercept not implemented. */
997 // TODO: Enable/disable TCs.
999 env->CP0_VPEControl = newval;
1002 void helper_mttc0_vpecontrol(CPUMIPSState *env, target_ulong arg1)
1004 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1005 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1009 mask = (1 << CP0VPECo_YSI) | (1 << CP0VPECo_GSI) |
1010 (1 << CP0VPECo_TE) | (0xff << CP0VPECo_TargTC);
1011 newval = (other->CP0_VPEControl & ~mask) | (arg1 & mask);
1013 /* TODO: Enable/disable TCs. */
1015 other->CP0_VPEControl = newval;
1018 target_ulong helper_mftc0_vpecontrol(CPUMIPSState *env)
1020 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1021 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1022 /* FIXME: Mask away return zero on read bits. */
1023 return other->CP0_VPEControl;
1026 target_ulong helper_mftc0_vpeconf0(CPUMIPSState *env)
1028 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1029 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1031 return other->CP0_VPEConf0;
1034 void helper_mtc0_vpeconf0(CPUMIPSState *env, target_ulong arg1)
1039 if (env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) {
1040 if (env->CP0_VPEConf0 & (1 << CP0VPEC0_VPA))
1041 mask |= (0xff << CP0VPEC0_XTC);
1042 mask |= (1 << CP0VPEC0_MVP) | (1 << CP0VPEC0_VPA);
1044 newval = (env->CP0_VPEConf0 & ~mask) | (arg1 & mask);
1046 // TODO: TC exclusive handling due to ERL/EXL.
1048 env->CP0_VPEConf0 = newval;
1051 void helper_mttc0_vpeconf0(CPUMIPSState *env, target_ulong arg1)
1053 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1054 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1058 mask |= (1 << CP0VPEC0_MVP) | (1 << CP0VPEC0_VPA);
1059 newval = (other->CP0_VPEConf0 & ~mask) | (arg1 & mask);
1061 /* TODO: TC exclusive handling due to ERL/EXL. */
1062 other->CP0_VPEConf0 = newval;
1065 void helper_mtc0_vpeconf1(CPUMIPSState *env, target_ulong arg1)
1070 if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1071 mask |= (0xff << CP0VPEC1_NCX) | (0xff << CP0VPEC1_NCP2) |
1072 (0xff << CP0VPEC1_NCP1);
1073 newval = (env->CP0_VPEConf1 & ~mask) | (arg1 & mask);
1075 /* UDI not implemented. */
1076 /* CP2 not implemented. */
1078 // TODO: Handle FPU (CP1) binding.
1080 env->CP0_VPEConf1 = newval;
1083 void helper_mtc0_yqmask(CPUMIPSState *env, target_ulong arg1)
1085 /* Yield qualifier inputs not implemented. */
1086 env->CP0_YQMask = 0x00000000;
1089 void helper_mtc0_vpeopt(CPUMIPSState *env, target_ulong arg1)
1091 env->CP0_VPEOpt = arg1 & 0x0000ffff;
1094 #define MTC0_ENTRYLO_MASK(env) ((env->PAMask >> 6) & 0x3FFFFFFF)
1096 void helper_mtc0_entrylo0(CPUMIPSState *env, target_ulong arg1)
1098 /* 1k pages not implemented */
1099 target_ulong rxi = arg1 & (env->CP0_PageGrain & (3u << CP0PG_XIE));
1100 env->CP0_EntryLo0 = (arg1 & MTC0_ENTRYLO_MASK(env))
1101 | (rxi << (CP0EnLo_XI - 30));
1104 #if defined(TARGET_MIPS64)
1105 #define DMTC0_ENTRYLO_MASK(env) (env->PAMask >> 6)
1107 void helper_dmtc0_entrylo0(CPUMIPSState *env, uint64_t arg1)
1109 uint64_t rxi = arg1 & ((env->CP0_PageGrain & (3ull << CP0PG_XIE)) << 32);
1110 env->CP0_EntryLo0 = (arg1 & DMTC0_ENTRYLO_MASK(env)) | rxi;
1114 void helper_mtc0_tcstatus(CPUMIPSState *env, target_ulong arg1)
1116 uint32_t mask = env->CP0_TCStatus_rw_bitmask;
1119 newval = (env->active_tc.CP0_TCStatus & ~mask) | (arg1 & mask);
1121 env->active_tc.CP0_TCStatus = newval;
1122 sync_c0_tcstatus(env, env->current_tc, newval);
1125 void helper_mttc0_tcstatus(CPUMIPSState *env, target_ulong arg1)
1127 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1128 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1130 if (other_tc == other->current_tc)
1131 other->active_tc.CP0_TCStatus = arg1;
1133 other->tcs[other_tc].CP0_TCStatus = arg1;
1134 sync_c0_tcstatus(other, other_tc, arg1);
1137 void helper_mtc0_tcbind(CPUMIPSState *env, target_ulong arg1)
1139 uint32_t mask = (1 << CP0TCBd_TBE);
1142 if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1143 mask |= (1 << CP0TCBd_CurVPE);
1144 newval = (env->active_tc.CP0_TCBind & ~mask) | (arg1 & mask);
1145 env->active_tc.CP0_TCBind = newval;
1148 void helper_mttc0_tcbind(CPUMIPSState *env, target_ulong arg1)
1150 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1151 uint32_t mask = (1 << CP0TCBd_TBE);
1153 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1155 if (other->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1156 mask |= (1 << CP0TCBd_CurVPE);
1157 if (other_tc == other->current_tc) {
1158 newval = (other->active_tc.CP0_TCBind & ~mask) | (arg1 & mask);
1159 other->active_tc.CP0_TCBind = newval;
1161 newval = (other->tcs[other_tc].CP0_TCBind & ~mask) | (arg1 & mask);
1162 other->tcs[other_tc].CP0_TCBind = newval;
1166 void helper_mtc0_tcrestart(CPUMIPSState *env, target_ulong arg1)
1168 env->active_tc.PC = arg1;
1169 env->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
1171 /* MIPS16 not implemented. */
1174 void helper_mttc0_tcrestart(CPUMIPSState *env, target_ulong arg1)
1176 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1177 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1179 if (other_tc == other->current_tc) {
1180 other->active_tc.PC = arg1;
1181 other->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
1182 other->lladdr = 0ULL;
1183 /* MIPS16 not implemented. */
1185 other->tcs[other_tc].PC = arg1;
1186 other->tcs[other_tc].CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
1187 other->lladdr = 0ULL;
1188 /* MIPS16 not implemented. */
1192 void helper_mtc0_tchalt(CPUMIPSState *env, target_ulong arg1)
1194 MIPSCPU *cpu = mips_env_get_cpu(env);
1196 env->active_tc.CP0_TCHalt = arg1 & 0x1;
1198 // TODO: Halt TC / Restart (if allocated+active) TC.
1199 if (env->active_tc.CP0_TCHalt & 1) {
1200 mips_tc_sleep(cpu, env->current_tc);
1202 mips_tc_wake(cpu, env->current_tc);
1206 void helper_mttc0_tchalt(CPUMIPSState *env, target_ulong arg1)
1208 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1209 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1210 MIPSCPU *other_cpu = mips_env_get_cpu(other);
1212 // TODO: Halt TC / Restart (if allocated+active) TC.
1214 if (other_tc == other->current_tc)
1215 other->active_tc.CP0_TCHalt = arg1;
1217 other->tcs[other_tc].CP0_TCHalt = arg1;
1220 mips_tc_sleep(other_cpu, other_tc);
1222 mips_tc_wake(other_cpu, other_tc);
1226 void helper_mtc0_tccontext(CPUMIPSState *env, target_ulong arg1)
1228 env->active_tc.CP0_TCContext = arg1;
1231 void helper_mttc0_tccontext(CPUMIPSState *env, target_ulong arg1)
1233 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1234 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1236 if (other_tc == other->current_tc)
1237 other->active_tc.CP0_TCContext = arg1;
1239 other->tcs[other_tc].CP0_TCContext = arg1;
1242 void helper_mtc0_tcschedule(CPUMIPSState *env, target_ulong arg1)
1244 env->active_tc.CP0_TCSchedule = arg1;
1247 void helper_mttc0_tcschedule(CPUMIPSState *env, target_ulong arg1)
1249 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1250 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1252 if (other_tc == other->current_tc)
1253 other->active_tc.CP0_TCSchedule = arg1;
1255 other->tcs[other_tc].CP0_TCSchedule = arg1;
1258 void helper_mtc0_tcschefback(CPUMIPSState *env, target_ulong arg1)
1260 env->active_tc.CP0_TCScheFBack = arg1;
1263 void helper_mttc0_tcschefback(CPUMIPSState *env, target_ulong arg1)
1265 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1266 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1268 if (other_tc == other->current_tc)
1269 other->active_tc.CP0_TCScheFBack = arg1;
1271 other->tcs[other_tc].CP0_TCScheFBack = arg1;
1274 void helper_mtc0_entrylo1(CPUMIPSState *env, target_ulong arg1)
1276 /* 1k pages not implemented */
1277 target_ulong rxi = arg1 & (env->CP0_PageGrain & (3u << CP0PG_XIE));
1278 env->CP0_EntryLo1 = (arg1 & MTC0_ENTRYLO_MASK(env))
1279 | (rxi << (CP0EnLo_XI - 30));
1282 #if defined(TARGET_MIPS64)
1283 void helper_dmtc0_entrylo1(CPUMIPSState *env, uint64_t arg1)
1285 uint64_t rxi = arg1 & ((env->CP0_PageGrain & (3ull << CP0PG_XIE)) << 32);
1286 env->CP0_EntryLo1 = (arg1 & DMTC0_ENTRYLO_MASK(env)) | rxi;
1290 void helper_mtc0_context(CPUMIPSState *env, target_ulong arg1)
1292 env->CP0_Context = (env->CP0_Context & 0x007FFFFF) | (arg1 & ~0x007FFFFF);
1295 void helper_mtc0_pagemask(CPUMIPSState *env, target_ulong arg1)
1297 uint64_t mask = arg1 >> (TARGET_PAGE_BITS + 1);
1298 if (!(env->insn_flags & ISA_MIPS32R6) || (arg1 == ~0) ||
1299 (mask == 0x0000 || mask == 0x0003 || mask == 0x000F ||
1300 mask == 0x003F || mask == 0x00FF || mask == 0x03FF ||
1301 mask == 0x0FFF || mask == 0x3FFF || mask == 0xFFFF)) {
1302 env->CP0_PageMask = arg1 & (0x1FFFFFFF & (TARGET_PAGE_MASK << 1));
1306 void helper_mtc0_pagegrain(CPUMIPSState *env, target_ulong arg1)
1308 /* SmartMIPS not implemented */
1309 /* 1k pages not implemented */
1310 env->CP0_PageGrain = (arg1 & env->CP0_PageGrain_rw_bitmask) |
1311 (env->CP0_PageGrain & ~env->CP0_PageGrain_rw_bitmask);
1312 compute_hflags(env);
1313 restore_pamask(env);
1316 void helper_mtc0_wired(CPUMIPSState *env, target_ulong arg1)
1318 if (env->insn_flags & ISA_MIPS32R6) {
1319 if (arg1 < env->tlb->nb_tlb) {
1320 env->CP0_Wired = arg1;
1323 env->CP0_Wired = arg1 % env->tlb->nb_tlb;
1327 void helper_mtc0_srsconf0(CPUMIPSState *env, target_ulong arg1)
1329 env->CP0_SRSConf0 |= arg1 & env->CP0_SRSConf0_rw_bitmask;
1332 void helper_mtc0_srsconf1(CPUMIPSState *env, target_ulong arg1)
1334 env->CP0_SRSConf1 |= arg1 & env->CP0_SRSConf1_rw_bitmask;
1337 void helper_mtc0_srsconf2(CPUMIPSState *env, target_ulong arg1)
1339 env->CP0_SRSConf2 |= arg1 & env->CP0_SRSConf2_rw_bitmask;
1342 void helper_mtc0_srsconf3(CPUMIPSState *env, target_ulong arg1)
1344 env->CP0_SRSConf3 |= arg1 & env->CP0_SRSConf3_rw_bitmask;
1347 void helper_mtc0_srsconf4(CPUMIPSState *env, target_ulong arg1)
1349 env->CP0_SRSConf4 |= arg1 & env->CP0_SRSConf4_rw_bitmask;
1352 void helper_mtc0_hwrena(CPUMIPSState *env, target_ulong arg1)
1354 uint32_t mask = 0x0000000F;
1356 if ((env->CP0_Config1 & (1 << CP0C1_PC)) &&
1357 (env->insn_flags & ISA_MIPS32R6)) {
1360 if (env->insn_flags & ISA_MIPS32R6) {
1363 if (env->CP0_Config3 & (1 << CP0C3_ULRI)) {
1366 if (arg1 & (1 << 29)) {
1367 env->hflags |= MIPS_HFLAG_HWRENA_ULR;
1369 env->hflags &= ~MIPS_HFLAG_HWRENA_ULR;
1373 env->CP0_HWREna = arg1 & mask;
1376 void helper_mtc0_count(CPUMIPSState *env, target_ulong arg1)
1378 cpu_mips_store_count(env, arg1);
1381 void helper_mtc0_entryhi(CPUMIPSState *env, target_ulong arg1)
1383 target_ulong old, val, mask;
1384 mask = (TARGET_PAGE_MASK << 1) | 0xFF;
1385 if (((env->CP0_Config4 >> CP0C4_IE) & 0x3) >= 2) {
1386 mask |= 1 << CP0EnHi_EHINV;
1389 /* 1k pages not implemented */
1390 #if defined(TARGET_MIPS64)
1391 if (env->insn_flags & ISA_MIPS32R6) {
1392 int entryhi_r = extract64(arg1, 62, 2);
1393 int config0_at = extract32(env->CP0_Config0, 13, 2);
1394 bool no_supervisor = (env->CP0_Status_rw_bitmask & 0x8) == 0;
1395 if ((entryhi_r == 2) ||
1396 (entryhi_r == 1 && (no_supervisor || config0_at == 1))) {
1397 /* skip EntryHi.R field if new value is reserved */
1398 mask &= ~(0x3ull << 62);
1401 mask &= env->SEGMask;
1403 old = env->CP0_EntryHi;
1404 val = (arg1 & mask) | (old & ~mask);
1405 env->CP0_EntryHi = val;
1406 if (env->CP0_Config3 & (1 << CP0C3_MT)) {
1407 sync_c0_entryhi(env, env->current_tc);
1409 /* If the ASID changes, flush qemu's TLB. */
1410 if ((old & 0xFF) != (val & 0xFF))
1411 cpu_mips_tlb_flush(env, 1);
1414 void helper_mttc0_entryhi(CPUMIPSState *env, target_ulong arg1)
1416 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1417 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1419 other->CP0_EntryHi = arg1;
1420 sync_c0_entryhi(other, other_tc);
1423 void helper_mtc0_compare(CPUMIPSState *env, target_ulong arg1)
1425 cpu_mips_store_compare(env, arg1);
1428 void helper_mtc0_status(CPUMIPSState *env, target_ulong arg1)
1430 MIPSCPU *cpu = mips_env_get_cpu(env);
1433 old = env->CP0_Status;
1434 cpu_mips_store_status(env, arg1);
1435 val = env->CP0_Status;
1437 if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
1438 qemu_log("Status %08x (%08x) => %08x (%08x) Cause %08x",
1439 old, old & env->CP0_Cause & CP0Ca_IP_mask,
1440 val, val & env->CP0_Cause & CP0Ca_IP_mask,
1442 switch (env->hflags & MIPS_HFLAG_KSU) {
1443 case MIPS_HFLAG_UM: qemu_log(", UM\n"); break;
1444 case MIPS_HFLAG_SM: qemu_log(", SM\n"); break;
1445 case MIPS_HFLAG_KM: qemu_log("\n"); break;
1447 cpu_abort(CPU(cpu), "Invalid MMU mode!\n");
1453 void helper_mttc0_status(CPUMIPSState *env, target_ulong arg1)
1455 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1456 uint32_t mask = env->CP0_Status_rw_bitmask & ~0xf1000018;
1457 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1459 other->CP0_Status = (other->CP0_Status & ~mask) | (arg1 & mask);
1460 sync_c0_status(env, other, other_tc);
1463 void helper_mtc0_intctl(CPUMIPSState *env, target_ulong arg1)
1465 env->CP0_IntCtl = (env->CP0_IntCtl & ~0x000003e0) | (arg1 & 0x000003e0);
1468 void helper_mtc0_srsctl(CPUMIPSState *env, target_ulong arg1)
1470 uint32_t mask = (0xf << CP0SRSCtl_ESS) | (0xf << CP0SRSCtl_PSS);
1471 env->CP0_SRSCtl = (env->CP0_SRSCtl & ~mask) | (arg1 & mask);
1474 void helper_mtc0_cause(CPUMIPSState *env, target_ulong arg1)
1476 cpu_mips_store_cause(env, arg1);
1479 void helper_mttc0_cause(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);
1484 cpu_mips_store_cause(other, arg1);
1487 target_ulong helper_mftc0_epc(CPUMIPSState *env)
1489 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1490 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1492 return other->CP0_EPC;
1495 target_ulong helper_mftc0_ebase(CPUMIPSState *env)
1497 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1498 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1500 return other->CP0_EBase;
1503 void helper_mtc0_ebase(CPUMIPSState *env, target_ulong arg1)
1505 env->CP0_EBase = (env->CP0_EBase & ~0x3FFFF000) | (arg1 & 0x3FFFF000);
1508 void helper_mttc0_ebase(CPUMIPSState *env, target_ulong arg1)
1510 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1511 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1512 other->CP0_EBase = (other->CP0_EBase & ~0x3FFFF000) | (arg1 & 0x3FFFF000);
1515 target_ulong helper_mftc0_configx(CPUMIPSState *env, target_ulong idx)
1517 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1518 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1521 case 0: return other->CP0_Config0;
1522 case 1: return other->CP0_Config1;
1523 case 2: return other->CP0_Config2;
1524 case 3: return other->CP0_Config3;
1525 /* 4 and 5 are reserved. */
1526 case 6: return other->CP0_Config6;
1527 case 7: return other->CP0_Config7;
1534 void helper_mtc0_config0(CPUMIPSState *env, target_ulong arg1)
1536 env->CP0_Config0 = (env->CP0_Config0 & 0x81FFFFF8) | (arg1 & 0x00000007);
1539 void helper_mtc0_config2(CPUMIPSState *env, target_ulong arg1)
1541 /* tertiary/secondary caches not implemented */
1542 env->CP0_Config2 = (env->CP0_Config2 & 0x8FFF0FFF);
1545 void helper_mtc0_config3(CPUMIPSState *env, target_ulong arg1)
1547 if (env->insn_flags & ASE_MICROMIPS) {
1548 env->CP0_Config3 = (env->CP0_Config3 & ~(1 << CP0C3_ISA_ON_EXC)) |
1549 (arg1 & (1 << CP0C3_ISA_ON_EXC));
1553 void helper_mtc0_config4(CPUMIPSState *env, target_ulong arg1)
1555 env->CP0_Config4 = (env->CP0_Config4 & (~env->CP0_Config4_rw_bitmask)) |
1556 (arg1 & env->CP0_Config4_rw_bitmask);
1559 void helper_mtc0_config5(CPUMIPSState *env, target_ulong arg1)
1561 env->CP0_Config5 = (env->CP0_Config5 & (~env->CP0_Config5_rw_bitmask)) |
1562 (arg1 & env->CP0_Config5_rw_bitmask);
1563 compute_hflags(env);
1566 void helper_mtc0_lladdr(CPUMIPSState *env, target_ulong arg1)
1568 target_long mask = env->CP0_LLAddr_rw_bitmask;
1569 arg1 = arg1 << env->CP0_LLAddr_shift;
1570 env->lladdr = (env->lladdr & ~mask) | (arg1 & mask);
1573 void helper_mtc0_watchlo(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1575 /* Watch exceptions for instructions, data loads, data stores
1577 env->CP0_WatchLo[sel] = (arg1 & ~0x7);
1580 void helper_mtc0_watchhi(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1582 env->CP0_WatchHi[sel] = (arg1 & 0x40FF0FF8);
1583 env->CP0_WatchHi[sel] &= ~(env->CP0_WatchHi[sel] & arg1 & 0x7);
1586 void helper_mtc0_xcontext(CPUMIPSState *env, target_ulong arg1)
1588 target_ulong mask = (1ULL << (env->SEGBITS - 7)) - 1;
1589 env->CP0_XContext = (env->CP0_XContext & mask) | (arg1 & ~mask);
1592 void helper_mtc0_framemask(CPUMIPSState *env, target_ulong arg1)
1594 env->CP0_Framemask = arg1; /* XXX */
1597 void helper_mtc0_debug(CPUMIPSState *env, target_ulong arg1)
1599 env->CP0_Debug = (env->CP0_Debug & 0x8C03FC1F) | (arg1 & 0x13300120);
1600 if (arg1 & (1 << CP0DB_DM))
1601 env->hflags |= MIPS_HFLAG_DM;
1603 env->hflags &= ~MIPS_HFLAG_DM;
1606 void helper_mttc0_debug(CPUMIPSState *env, target_ulong arg1)
1608 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1609 uint32_t val = arg1 & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt));
1610 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1612 /* XXX: Might be wrong, check with EJTAG spec. */
1613 if (other_tc == other->current_tc)
1614 other->active_tc.CP0_Debug_tcstatus = val;
1616 other->tcs[other_tc].CP0_Debug_tcstatus = val;
1617 other->CP0_Debug = (other->CP0_Debug &
1618 ((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) |
1619 (arg1 & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt)));
1622 void helper_mtc0_performance0(CPUMIPSState *env, target_ulong arg1)
1624 env->CP0_Performance0 = arg1 & 0x000007ff;
1627 void helper_mtc0_taglo(CPUMIPSState *env, target_ulong arg1)
1629 env->CP0_TagLo = arg1 & 0xFFFFFCF6;
1632 void helper_mtc0_datalo(CPUMIPSState *env, target_ulong arg1)
1634 env->CP0_DataLo = arg1; /* XXX */
1637 void helper_mtc0_taghi(CPUMIPSState *env, target_ulong arg1)
1639 env->CP0_TagHi = arg1; /* XXX */
1642 void helper_mtc0_datahi(CPUMIPSState *env, target_ulong arg1)
1644 env->CP0_DataHi = arg1; /* XXX */
1647 /* MIPS MT functions */
1648 target_ulong helper_mftgpr(CPUMIPSState *env, uint32_t sel)
1650 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1651 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1653 if (other_tc == other->current_tc)
1654 return other->active_tc.gpr[sel];
1656 return other->tcs[other_tc].gpr[sel];
1659 target_ulong helper_mftlo(CPUMIPSState *env, uint32_t sel)
1661 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1662 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1664 if (other_tc == other->current_tc)
1665 return other->active_tc.LO[sel];
1667 return other->tcs[other_tc].LO[sel];
1670 target_ulong helper_mfthi(CPUMIPSState *env, uint32_t sel)
1672 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1673 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1675 if (other_tc == other->current_tc)
1676 return other->active_tc.HI[sel];
1678 return other->tcs[other_tc].HI[sel];
1681 target_ulong helper_mftacx(CPUMIPSState *env, uint32_t sel)
1683 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1684 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1686 if (other_tc == other->current_tc)
1687 return other->active_tc.ACX[sel];
1689 return other->tcs[other_tc].ACX[sel];
1692 target_ulong helper_mftdsp(CPUMIPSState *env)
1694 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1695 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1697 if (other_tc == other->current_tc)
1698 return other->active_tc.DSPControl;
1700 return other->tcs[other_tc].DSPControl;
1703 void helper_mttgpr(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1705 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1706 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1708 if (other_tc == other->current_tc)
1709 other->active_tc.gpr[sel] = arg1;
1711 other->tcs[other_tc].gpr[sel] = arg1;
1714 void helper_mttlo(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1716 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1717 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1719 if (other_tc == other->current_tc)
1720 other->active_tc.LO[sel] = arg1;
1722 other->tcs[other_tc].LO[sel] = arg1;
1725 void helper_mtthi(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1727 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1728 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1730 if (other_tc == other->current_tc)
1731 other->active_tc.HI[sel] = arg1;
1733 other->tcs[other_tc].HI[sel] = arg1;
1736 void helper_mttacx(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1738 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1739 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1741 if (other_tc == other->current_tc)
1742 other->active_tc.ACX[sel] = arg1;
1744 other->tcs[other_tc].ACX[sel] = arg1;
1747 void helper_mttdsp(CPUMIPSState *env, target_ulong arg1)
1749 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1750 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1752 if (other_tc == other->current_tc)
1753 other->active_tc.DSPControl = arg1;
1755 other->tcs[other_tc].DSPControl = arg1;
1758 /* MIPS MT functions */
1759 target_ulong helper_dmt(void)
1765 target_ulong helper_emt(void)
1771 target_ulong helper_dvpe(CPUMIPSState *env)
1773 CPUState *other_cs = first_cpu;
1774 target_ulong prev = env->mvp->CP0_MVPControl;
1776 CPU_FOREACH(other_cs) {
1777 MIPSCPU *other_cpu = MIPS_CPU(other_cs);
1778 /* Turn off all VPEs except the one executing the dvpe. */
1779 if (&other_cpu->env != env) {
1780 other_cpu->env.mvp->CP0_MVPControl &= ~(1 << CP0MVPCo_EVP);
1781 mips_vpe_sleep(other_cpu);
1787 target_ulong helper_evpe(CPUMIPSState *env)
1789 CPUState *other_cs = first_cpu;
1790 target_ulong prev = env->mvp->CP0_MVPControl;
1792 CPU_FOREACH(other_cs) {
1793 MIPSCPU *other_cpu = MIPS_CPU(other_cs);
1795 if (&other_cpu->env != env
1796 /* If the VPE is WFI, don't disturb its sleep. */
1797 && !mips_vpe_is_wfi(other_cpu)) {
1798 /* Enable the VPE. */
1799 other_cpu->env.mvp->CP0_MVPControl |= (1 << CP0MVPCo_EVP);
1800 mips_vpe_wake(other_cpu); /* And wake it up. */
1805 #endif /* !CONFIG_USER_ONLY */
1807 void helper_fork(target_ulong arg1, target_ulong arg2)
1809 // arg1 = rt, arg2 = rs
1810 // TODO: store to TC register
1813 target_ulong helper_yield(CPUMIPSState *env, target_ulong arg)
1815 target_long arg1 = arg;
1818 /* No scheduling policy implemented. */
1820 if (env->CP0_VPEControl & (1 << CP0VPECo_YSI) &&
1821 env->active_tc.CP0_TCStatus & (1 << CP0TCSt_DT)) {
1822 env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
1823 env->CP0_VPEControl |= 4 << CP0VPECo_EXCPT;
1824 do_raise_exception(env, EXCP_THREAD, GETPC());
1827 } else if (arg1 == 0) {
1828 if (0 /* TODO: TC underflow */) {
1829 env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
1830 do_raise_exception(env, EXCP_THREAD, GETPC());
1832 // TODO: Deallocate TC
1834 } else if (arg1 > 0) {
1835 /* Yield qualifier inputs not implemented. */
1836 env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
1837 env->CP0_VPEControl |= 2 << CP0VPECo_EXCPT;
1838 do_raise_exception(env, EXCP_THREAD, GETPC());
1840 return env->CP0_YQMask;
1843 #ifndef CONFIG_USER_ONLY
1844 /* TLB management */
1845 static void r4k_mips_tlb_flush_extra (CPUMIPSState *env, int first)
1847 /* Discard entries from env->tlb[first] onwards. */
1848 while (env->tlb->tlb_in_use > first) {
1849 r4k_invalidate_tlb(env, --env->tlb->tlb_in_use, 0);
1853 static inline uint64_t get_tlb_pfn_from_entrylo(uint64_t entrylo)
1855 #if defined(TARGET_MIPS64)
1856 return extract64(entrylo, 6, 54);
1858 return extract64(entrylo, 6, 24) | /* PFN */
1859 (extract64(entrylo, 32, 32) << 24); /* PFNX */
1863 static void r4k_fill_tlb(CPUMIPSState *env, int idx)
1867 /* XXX: detect conflicting TLBs and raise a MCHECK exception when needed */
1868 tlb = &env->tlb->mmu.r4k.tlb[idx];
1869 if (env->CP0_EntryHi & (1 << CP0EnHi_EHINV)) {
1874 tlb->VPN = env->CP0_EntryHi & (TARGET_PAGE_MASK << 1);
1875 #if defined(TARGET_MIPS64)
1876 tlb->VPN &= env->SEGMask;
1878 tlb->ASID = env->CP0_EntryHi & 0xFF;
1879 tlb->PageMask = env->CP0_PageMask;
1880 tlb->G = env->CP0_EntryLo0 & env->CP0_EntryLo1 & 1;
1881 tlb->V0 = (env->CP0_EntryLo0 & 2) != 0;
1882 tlb->D0 = (env->CP0_EntryLo0 & 4) != 0;
1883 tlb->C0 = (env->CP0_EntryLo0 >> 3) & 0x7;
1884 tlb->XI0 = (env->CP0_EntryLo0 >> CP0EnLo_XI) & 1;
1885 tlb->RI0 = (env->CP0_EntryLo0 >> CP0EnLo_RI) & 1;
1886 tlb->PFN[0] = get_tlb_pfn_from_entrylo(env->CP0_EntryLo0) << 12;
1887 tlb->V1 = (env->CP0_EntryLo1 & 2) != 0;
1888 tlb->D1 = (env->CP0_EntryLo1 & 4) != 0;
1889 tlb->C1 = (env->CP0_EntryLo1 >> 3) & 0x7;
1890 tlb->XI1 = (env->CP0_EntryLo1 >> CP0EnLo_XI) & 1;
1891 tlb->RI1 = (env->CP0_EntryLo1 >> CP0EnLo_RI) & 1;
1892 tlb->PFN[1] = get_tlb_pfn_from_entrylo(env->CP0_EntryLo1) << 12;
1895 void r4k_helper_tlbinv(CPUMIPSState *env)
1899 uint8_t ASID = env->CP0_EntryHi & 0xFF;
1901 for (idx = 0; idx < env->tlb->nb_tlb; idx++) {
1902 tlb = &env->tlb->mmu.r4k.tlb[idx];
1903 if (!tlb->G && tlb->ASID == ASID) {
1907 cpu_mips_tlb_flush(env, 1);
1910 void r4k_helper_tlbinvf(CPUMIPSState *env)
1914 for (idx = 0; idx < env->tlb->nb_tlb; idx++) {
1915 env->tlb->mmu.r4k.tlb[idx].EHINV = 1;
1917 cpu_mips_tlb_flush(env, 1);
1920 void r4k_helper_tlbwi(CPUMIPSState *env)
1926 bool G, V0, D0, V1, D1;
1928 idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb;
1929 tlb = &env->tlb->mmu.r4k.tlb[idx];
1930 VPN = env->CP0_EntryHi & (TARGET_PAGE_MASK << 1);
1931 #if defined(TARGET_MIPS64)
1932 VPN &= env->SEGMask;
1934 ASID = env->CP0_EntryHi & 0xff;
1935 G = env->CP0_EntryLo0 & env->CP0_EntryLo1 & 1;
1936 V0 = (env->CP0_EntryLo0 & 2) != 0;
1937 D0 = (env->CP0_EntryLo0 & 4) != 0;
1938 V1 = (env->CP0_EntryLo1 & 2) != 0;
1939 D1 = (env->CP0_EntryLo1 & 4) != 0;
1941 /* Discard cached TLB entries, unless tlbwi is just upgrading access
1942 permissions on the current entry. */
1943 if (tlb->VPN != VPN || tlb->ASID != ASID || tlb->G != G ||
1944 (tlb->V0 && !V0) || (tlb->D0 && !D0) ||
1945 (tlb->V1 && !V1) || (tlb->D1 && !D1)) {
1946 r4k_mips_tlb_flush_extra(env, env->tlb->nb_tlb);
1949 r4k_invalidate_tlb(env, idx, 0);
1950 r4k_fill_tlb(env, idx);
1953 void r4k_helper_tlbwr(CPUMIPSState *env)
1955 int r = cpu_mips_get_random(env);
1957 r4k_invalidate_tlb(env, r, 1);
1958 r4k_fill_tlb(env, r);
1961 void r4k_helper_tlbp(CPUMIPSState *env)
1970 ASID = env->CP0_EntryHi & 0xFF;
1971 for (i = 0; i < env->tlb->nb_tlb; i++) {
1972 tlb = &env->tlb->mmu.r4k.tlb[i];
1973 /* 1k pages are not supported. */
1974 mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
1975 tag = env->CP0_EntryHi & ~mask;
1976 VPN = tlb->VPN & ~mask;
1977 #if defined(TARGET_MIPS64)
1978 tag &= env->SEGMask;
1980 /* Check ASID, virtual page number & size */
1981 if ((tlb->G == 1 || tlb->ASID == ASID) && VPN == tag && !tlb->EHINV) {
1987 if (i == env->tlb->nb_tlb) {
1988 /* No match. Discard any shadow entries, if any of them match. */
1989 for (i = env->tlb->nb_tlb; i < env->tlb->tlb_in_use; i++) {
1990 tlb = &env->tlb->mmu.r4k.tlb[i];
1991 /* 1k pages are not supported. */
1992 mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
1993 tag = env->CP0_EntryHi & ~mask;
1994 VPN = tlb->VPN & ~mask;
1995 #if defined(TARGET_MIPS64)
1996 tag &= env->SEGMask;
1998 /* Check ASID, virtual page number & size */
1999 if ((tlb->G == 1 || tlb->ASID == ASID) && VPN == tag) {
2000 r4k_mips_tlb_flush_extra (env, i);
2005 env->CP0_Index |= 0x80000000;
2009 static inline uint64_t get_entrylo_pfn_from_tlb(uint64_t tlb_pfn)
2011 #if defined(TARGET_MIPS64)
2012 return tlb_pfn << 6;
2014 return (extract64(tlb_pfn, 0, 24) << 6) | /* PFN */
2015 (extract64(tlb_pfn, 24, 32) << 32); /* PFNX */
2019 void r4k_helper_tlbr(CPUMIPSState *env)
2025 ASID = env->CP0_EntryHi & 0xFF;
2026 idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb;
2027 tlb = &env->tlb->mmu.r4k.tlb[idx];
2029 /* If this will change the current ASID, flush qemu's TLB. */
2030 if (ASID != tlb->ASID)
2031 cpu_mips_tlb_flush (env, 1);
2033 r4k_mips_tlb_flush_extra(env, env->tlb->nb_tlb);
2036 env->CP0_EntryHi = 1 << CP0EnHi_EHINV;
2037 env->CP0_PageMask = 0;
2038 env->CP0_EntryLo0 = 0;
2039 env->CP0_EntryLo1 = 0;
2041 env->CP0_EntryHi = tlb->VPN | tlb->ASID;
2042 env->CP0_PageMask = tlb->PageMask;
2043 env->CP0_EntryLo0 = tlb->G | (tlb->V0 << 1) | (tlb->D0 << 2) |
2044 ((uint64_t)tlb->RI0 << CP0EnLo_RI) |
2045 ((uint64_t)tlb->XI0 << CP0EnLo_XI) | (tlb->C0 << 3) |
2046 get_entrylo_pfn_from_tlb(tlb->PFN[0] >> 12);
2047 env->CP0_EntryLo1 = tlb->G | (tlb->V1 << 1) | (tlb->D1 << 2) |
2048 ((uint64_t)tlb->RI1 << CP0EnLo_RI) |
2049 ((uint64_t)tlb->XI1 << CP0EnLo_XI) | (tlb->C1 << 3) |
2050 get_entrylo_pfn_from_tlb(tlb->PFN[1] >> 12);
2054 void helper_tlbwi(CPUMIPSState *env)
2056 env->tlb->helper_tlbwi(env);
2059 void helper_tlbwr(CPUMIPSState *env)
2061 env->tlb->helper_tlbwr(env);
2064 void helper_tlbp(CPUMIPSState *env)
2066 env->tlb->helper_tlbp(env);
2069 void helper_tlbr(CPUMIPSState *env)
2071 env->tlb->helper_tlbr(env);
2074 void helper_tlbinv(CPUMIPSState *env)
2076 env->tlb->helper_tlbinv(env);
2079 void helper_tlbinvf(CPUMIPSState *env)
2081 env->tlb->helper_tlbinvf(env);
2085 target_ulong helper_di(CPUMIPSState *env)
2087 target_ulong t0 = env->CP0_Status;
2089 env->CP0_Status = t0 & ~(1 << CP0St_IE);
2093 target_ulong helper_ei(CPUMIPSState *env)
2095 target_ulong t0 = env->CP0_Status;
2097 env->CP0_Status = t0 | (1 << CP0St_IE);
2101 static void debug_pre_eret(CPUMIPSState *env)
2103 if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
2104 qemu_log("ERET: PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx,
2105 env->active_tc.PC, env->CP0_EPC);
2106 if (env->CP0_Status & (1 << CP0St_ERL))
2107 qemu_log(" ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
2108 if (env->hflags & MIPS_HFLAG_DM)
2109 qemu_log(" DEPC " TARGET_FMT_lx, env->CP0_DEPC);
2114 static void debug_post_eret(CPUMIPSState *env)
2116 MIPSCPU *cpu = mips_env_get_cpu(env);
2118 if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
2119 qemu_log(" => PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx,
2120 env->active_tc.PC, env->CP0_EPC);
2121 if (env->CP0_Status & (1 << CP0St_ERL))
2122 qemu_log(" ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
2123 if (env->hflags & MIPS_HFLAG_DM)
2124 qemu_log(" DEPC " TARGET_FMT_lx, env->CP0_DEPC);
2125 switch (env->hflags & MIPS_HFLAG_KSU) {
2126 case MIPS_HFLAG_UM: qemu_log(", UM\n"); break;
2127 case MIPS_HFLAG_SM: qemu_log(", SM\n"); break;
2128 case MIPS_HFLAG_KM: qemu_log("\n"); break;
2130 cpu_abort(CPU(cpu), "Invalid MMU mode!\n");
2136 static void set_pc(CPUMIPSState *env, target_ulong error_pc)
2138 env->active_tc.PC = error_pc & ~(target_ulong)1;
2140 env->hflags |= MIPS_HFLAG_M16;
2142 env->hflags &= ~(MIPS_HFLAG_M16);
2146 static inline void exception_return(CPUMIPSState *env)
2148 debug_pre_eret(env);
2149 if (env->CP0_Status & (1 << CP0St_ERL)) {
2150 set_pc(env, env->CP0_ErrorEPC);
2151 env->CP0_Status &= ~(1 << CP0St_ERL);
2153 set_pc(env, env->CP0_EPC);
2154 env->CP0_Status &= ~(1 << CP0St_EXL);
2156 compute_hflags(env);
2157 debug_post_eret(env);
2160 void helper_eret(CPUMIPSState *env)
2162 exception_return(env);
2166 void helper_eretnc(CPUMIPSState *env)
2168 exception_return(env);
2171 void helper_deret(CPUMIPSState *env)
2173 debug_pre_eret(env);
2174 set_pc(env, env->CP0_DEPC);
2176 env->hflags &= ~MIPS_HFLAG_DM;
2177 compute_hflags(env);
2178 debug_post_eret(env);
2180 #endif /* !CONFIG_USER_ONLY */
2182 static inline void check_hwrena(CPUMIPSState *env, int reg)
2184 if ((env->hflags & MIPS_HFLAG_CP0) || (env->CP0_HWREna & (1 << reg))) {
2187 do_raise_exception(env, EXCP_RI, GETPC());
2190 target_ulong helper_rdhwr_cpunum(CPUMIPSState *env)
2192 check_hwrena(env, 0);
2193 return env->CP0_EBase & 0x3ff;
2196 target_ulong helper_rdhwr_synci_step(CPUMIPSState *env)
2198 check_hwrena(env, 1);
2199 return env->SYNCI_Step;
2202 target_ulong helper_rdhwr_cc(CPUMIPSState *env)
2204 check_hwrena(env, 2);
2205 #ifdef CONFIG_USER_ONLY
2206 return env->CP0_Count;
2208 return (int32_t)cpu_mips_get_count(env);
2212 target_ulong helper_rdhwr_ccres(CPUMIPSState *env)
2214 check_hwrena(env, 3);
2218 target_ulong helper_rdhwr_performance(CPUMIPSState *env)
2220 check_hwrena(env, 4);
2221 return env->CP0_Performance0;
2224 target_ulong helper_rdhwr_xnp(CPUMIPSState *env)
2226 check_hwrena(env, 5);
2227 return (env->CP0_Config5 >> CP0C5_XNP) & 1;
2230 void helper_pmon(CPUMIPSState *env, int function)
2234 case 2: /* TODO: char inbyte(int waitflag); */
2235 if (env->active_tc.gpr[4] == 0)
2236 env->active_tc.gpr[2] = -1;
2238 case 11: /* TODO: char inbyte (void); */
2239 env->active_tc.gpr[2] = -1;
2243 printf("%c", (char)(env->active_tc.gpr[4] & 0xFF));
2249 unsigned char *fmt = (void *)(uintptr_t)env->active_tc.gpr[4];
2256 void helper_wait(CPUMIPSState *env)
2258 CPUState *cs = CPU(mips_env_get_cpu(env));
2261 cpu_reset_interrupt(cs, CPU_INTERRUPT_WAKE);
2262 /* Last instruction in the block, PC was updated before
2263 - no need to recover PC and icount */
2264 raise_exception(env, EXCP_HLT);
2267 #if !defined(CONFIG_USER_ONLY)
2269 void mips_cpu_do_unaligned_access(CPUState *cs, vaddr addr,
2270 int access_type, int is_user,
2273 MIPSCPU *cpu = MIPS_CPU(cs);
2274 CPUMIPSState *env = &cpu->env;
2278 env->CP0_BadVAddr = addr;
2280 if (access_type == MMU_DATA_STORE) {
2284 if (access_type == MMU_INST_FETCH) {
2285 error_code |= EXCP_INST_NOTAVAIL;
2289 do_raise_exception_err(env, excp, error_code, retaddr);
2292 void tlb_fill(CPUState *cs, target_ulong addr, int is_write, int mmu_idx,
2297 ret = mips_cpu_handle_mmu_fault(cs, addr, is_write, mmu_idx);
2299 MIPSCPU *cpu = MIPS_CPU(cs);
2300 CPUMIPSState *env = &cpu->env;
2302 do_raise_exception_err(env, cs->exception_index,
2303 env->error_code, retaddr);
2307 void mips_cpu_unassigned_access(CPUState *cs, hwaddr addr,
2308 bool is_write, bool is_exec, int unused,
2311 MIPSCPU *cpu = MIPS_CPU(cs);
2312 CPUMIPSState *env = &cpu->env;
2315 * Raising an exception with KVM enabled will crash because it won't be from
2316 * the main execution loop so the longjmp won't have a matching setjmp.
2317 * Until we can trigger a bus error exception through KVM lets just ignore
2320 if (kvm_enabled()) {
2325 raise_exception(env, EXCP_IBE);
2327 raise_exception(env, EXCP_DBE);
2330 #endif /* !CONFIG_USER_ONLY */
2332 /* Complex FPU operations which may need stack space. */
2334 #define FLOAT_TWO32 make_float32(1 << 30)
2335 #define FLOAT_TWO64 make_float64(1ULL << 62)
2336 #define FP_TO_INT32_OVERFLOW 0x7fffffff
2337 #define FP_TO_INT64_OVERFLOW 0x7fffffffffffffffULL
2339 /* convert MIPS rounding mode in FCR31 to IEEE library */
2340 unsigned int ieee_rm[] = {
2341 float_round_nearest_even,
2342 float_round_to_zero,
2347 target_ulong helper_cfc1(CPUMIPSState *env, uint32_t reg)
2349 target_ulong arg1 = 0;
2353 arg1 = (int32_t)env->active_fpu.fcr0;
2356 /* UFR Support - Read Status FR */
2357 if (env->active_fpu.fcr0 & (1 << FCR0_UFRP)) {
2358 if (env->CP0_Config5 & (1 << CP0C5_UFR)) {
2360 ((env->CP0_Status & (1 << CP0St_FR)) >> CP0St_FR);
2362 do_raise_exception(env, EXCP_RI, GETPC());
2367 /* FRE Support - read Config5.FRE bit */
2368 if (env->active_fpu.fcr0 & (1 << FCR0_FREP)) {
2369 if (env->CP0_Config5 & (1 << CP0C5_UFE)) {
2370 arg1 = (env->CP0_Config5 >> CP0C5_FRE) & 1;
2372 helper_raise_exception(env, EXCP_RI);
2377 arg1 = ((env->active_fpu.fcr31 >> 24) & 0xfe) | ((env->active_fpu.fcr31 >> 23) & 0x1);
2380 arg1 = env->active_fpu.fcr31 & 0x0003f07c;
2383 arg1 = (env->active_fpu.fcr31 & 0x00000f83) | ((env->active_fpu.fcr31 >> 22) & 0x4);
2386 arg1 = (int32_t)env->active_fpu.fcr31;
2393 void helper_ctc1(CPUMIPSState *env, target_ulong arg1, uint32_t fs, uint32_t rt)
2397 /* UFR Alias - Reset Status FR */
2398 if (!((env->active_fpu.fcr0 & (1 << FCR0_UFRP)) && (rt == 0))) {
2401 if (env->CP0_Config5 & (1 << CP0C5_UFR)) {
2402 env->CP0_Status &= ~(1 << CP0St_FR);
2403 compute_hflags(env);
2405 do_raise_exception(env, EXCP_RI, GETPC());
2409 /* UNFR Alias - Set Status FR */
2410 if (!((env->active_fpu.fcr0 & (1 << FCR0_UFRP)) && (rt == 0))) {
2413 if (env->CP0_Config5 & (1 << CP0C5_UFR)) {
2414 env->CP0_Status |= (1 << CP0St_FR);
2415 compute_hflags(env);
2417 do_raise_exception(env, EXCP_RI, GETPC());
2421 /* FRE Support - clear Config5.FRE bit */
2422 if (!((env->active_fpu.fcr0 & (1 << FCR0_FREP)) && (rt == 0))) {
2425 if (env->CP0_Config5 & (1 << CP0C5_UFE)) {
2426 env->CP0_Config5 &= ~(1 << CP0C5_FRE);
2427 compute_hflags(env);
2429 helper_raise_exception(env, EXCP_RI);
2433 /* FRE Support - set Config5.FRE bit */
2434 if (!((env->active_fpu.fcr0 & (1 << FCR0_FREP)) && (rt == 0))) {
2437 if (env->CP0_Config5 & (1 << CP0C5_UFE)) {
2438 env->CP0_Config5 |= (1 << CP0C5_FRE);
2439 compute_hflags(env);
2441 helper_raise_exception(env, EXCP_RI);
2445 if ((env->insn_flags & ISA_MIPS32R6) || (arg1 & 0xffffff00)) {
2448 env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0x017fffff) | ((arg1 & 0xfe) << 24) |
2449 ((arg1 & 0x1) << 23);
2452 if (arg1 & 0x007c0000)
2454 env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0xfffc0f83) | (arg1 & 0x0003f07c);
2457 if (arg1 & 0x007c0000)
2459 env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0xfefff07c) | (arg1 & 0x00000f83) |
2460 ((arg1 & 0x4) << 22);
2463 if (env->insn_flags & ISA_MIPS32R6) {
2464 uint32_t mask = 0xfefc0000;
2465 env->active_fpu.fcr31 = (arg1 & ~mask) |
2466 (env->active_fpu.fcr31 & mask);
2467 } else if (!(arg1 & 0x007c0000)) {
2468 env->active_fpu.fcr31 = arg1;
2474 /* set rounding mode */
2475 restore_rounding_mode(env);
2476 /* set flush-to-zero mode */
2477 restore_flush_mode(env);
2478 set_float_exception_flags(0, &env->active_fpu.fp_status);
2479 if ((GET_FP_ENABLE(env->active_fpu.fcr31) | 0x20) & GET_FP_CAUSE(env->active_fpu.fcr31))
2480 do_raise_exception(env, EXCP_FPE, GETPC());
2483 int ieee_ex_to_mips(int xcpt)
2487 if (xcpt & float_flag_invalid) {
2490 if (xcpt & float_flag_overflow) {
2493 if (xcpt & float_flag_underflow) {
2494 ret |= FP_UNDERFLOW;
2496 if (xcpt & float_flag_divbyzero) {
2499 if (xcpt & float_flag_inexact) {
2506 static inline void update_fcr31(CPUMIPSState *env, uintptr_t pc)
2508 int tmp = ieee_ex_to_mips(get_float_exception_flags(&env->active_fpu.fp_status));
2510 SET_FP_CAUSE(env->active_fpu.fcr31, tmp);
2513 set_float_exception_flags(0, &env->active_fpu.fp_status);
2515 if (GET_FP_ENABLE(env->active_fpu.fcr31) & tmp) {
2516 do_raise_exception(env, EXCP_FPE, pc);
2518 UPDATE_FP_FLAGS(env->active_fpu.fcr31, tmp);
2524 Single precition routines have a "s" suffix, double precision a
2525 "d" suffix, 32bit integer "w", 64bit integer "l", paired single "ps",
2526 paired single lower "pl", paired single upper "pu". */
2528 /* unary operations, modifying fp status */
2529 uint64_t helper_float_sqrt_d(CPUMIPSState *env, uint64_t fdt0)
2531 fdt0 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
2532 update_fcr31(env, GETPC());
2536 uint32_t helper_float_sqrt_s(CPUMIPSState *env, uint32_t fst0)
2538 fst0 = float32_sqrt(fst0, &env->active_fpu.fp_status);
2539 update_fcr31(env, GETPC());
2543 uint64_t helper_float_cvtd_s(CPUMIPSState *env, uint32_t fst0)
2547 fdt2 = float32_to_float64(fst0, &env->active_fpu.fp_status);
2548 update_fcr31(env, GETPC());
2552 uint64_t helper_float_cvtd_w(CPUMIPSState *env, uint32_t wt0)
2556 fdt2 = int32_to_float64(wt0, &env->active_fpu.fp_status);
2557 update_fcr31(env, GETPC());
2561 uint64_t helper_float_cvtd_l(CPUMIPSState *env, uint64_t dt0)
2565 fdt2 = int64_to_float64(dt0, &env->active_fpu.fp_status);
2566 update_fcr31(env, GETPC());
2570 uint64_t helper_float_cvtl_d(CPUMIPSState *env, uint64_t fdt0)
2574 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2575 if (get_float_exception_flags(&env->active_fpu.fp_status)
2576 & (float_flag_invalid | float_flag_overflow)) {
2577 dt2 = FP_TO_INT64_OVERFLOW;
2579 update_fcr31(env, GETPC());
2583 uint64_t helper_float_cvtl_s(CPUMIPSState *env, uint32_t fst0)
2587 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2588 if (get_float_exception_flags(&env->active_fpu.fp_status)
2589 & (float_flag_invalid | float_flag_overflow)) {
2590 dt2 = FP_TO_INT64_OVERFLOW;
2592 update_fcr31(env, GETPC());
2596 uint64_t helper_float_cvtps_pw(CPUMIPSState *env, uint64_t dt0)
2601 fst2 = int32_to_float32(dt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2602 fsth2 = int32_to_float32(dt0 >> 32, &env->active_fpu.fp_status);
2603 update_fcr31(env, GETPC());
2604 return ((uint64_t)fsth2 << 32) | fst2;
2607 uint64_t helper_float_cvtpw_ps(CPUMIPSState *env, uint64_t fdt0)
2613 wt2 = float32_to_int32(fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2614 excp = get_float_exception_flags(&env->active_fpu.fp_status);
2615 if (excp & (float_flag_overflow | float_flag_invalid)) {
2616 wt2 = FP_TO_INT32_OVERFLOW;
2619 set_float_exception_flags(0, &env->active_fpu.fp_status);
2620 wth2 = float32_to_int32(fdt0 >> 32, &env->active_fpu.fp_status);
2621 excph = get_float_exception_flags(&env->active_fpu.fp_status);
2622 if (excph & (float_flag_overflow | float_flag_invalid)) {
2623 wth2 = FP_TO_INT32_OVERFLOW;
2626 set_float_exception_flags(excp | excph, &env->active_fpu.fp_status);
2627 update_fcr31(env, GETPC());
2629 return ((uint64_t)wth2 << 32) | wt2;
2632 uint32_t helper_float_cvts_d(CPUMIPSState *env, uint64_t fdt0)
2636 fst2 = float64_to_float32(fdt0, &env->active_fpu.fp_status);
2637 update_fcr31(env, GETPC());
2641 uint32_t helper_float_cvts_w(CPUMIPSState *env, uint32_t wt0)
2645 fst2 = int32_to_float32(wt0, &env->active_fpu.fp_status);
2646 update_fcr31(env, GETPC());
2650 uint32_t helper_float_cvts_l(CPUMIPSState *env, uint64_t dt0)
2654 fst2 = int64_to_float32(dt0, &env->active_fpu.fp_status);
2655 update_fcr31(env, GETPC());
2659 uint32_t helper_float_cvts_pl(CPUMIPSState *env, uint32_t wt0)
2664 update_fcr31(env, GETPC());
2668 uint32_t helper_float_cvts_pu(CPUMIPSState *env, uint32_t wth0)
2673 update_fcr31(env, GETPC());
2677 uint32_t helper_float_cvtw_s(CPUMIPSState *env, uint32_t fst0)
2681 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2682 if (get_float_exception_flags(&env->active_fpu.fp_status)
2683 & (float_flag_invalid | float_flag_overflow)) {
2684 wt2 = FP_TO_INT32_OVERFLOW;
2686 update_fcr31(env, GETPC());
2690 uint32_t helper_float_cvtw_d(CPUMIPSState *env, uint64_t fdt0)
2694 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2695 if (get_float_exception_flags(&env->active_fpu.fp_status)
2696 & (float_flag_invalid | float_flag_overflow)) {
2697 wt2 = FP_TO_INT32_OVERFLOW;
2699 update_fcr31(env, GETPC());
2703 uint64_t helper_float_roundl_d(CPUMIPSState *env, uint64_t fdt0)
2707 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2708 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2709 restore_rounding_mode(env);
2710 if (get_float_exception_flags(&env->active_fpu.fp_status)
2711 & (float_flag_invalid | float_flag_overflow)) {
2712 dt2 = FP_TO_INT64_OVERFLOW;
2714 update_fcr31(env, GETPC());
2718 uint64_t helper_float_roundl_s(CPUMIPSState *env, uint32_t fst0)
2722 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2723 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2724 restore_rounding_mode(env);
2725 if (get_float_exception_flags(&env->active_fpu.fp_status)
2726 & (float_flag_invalid | float_flag_overflow)) {
2727 dt2 = FP_TO_INT64_OVERFLOW;
2729 update_fcr31(env, GETPC());
2733 uint32_t helper_float_roundw_d(CPUMIPSState *env, uint64_t fdt0)
2737 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2738 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2739 restore_rounding_mode(env);
2740 if (get_float_exception_flags(&env->active_fpu.fp_status)
2741 & (float_flag_invalid | float_flag_overflow)) {
2742 wt2 = FP_TO_INT32_OVERFLOW;
2744 update_fcr31(env, GETPC());
2748 uint32_t helper_float_roundw_s(CPUMIPSState *env, uint32_t fst0)
2752 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2753 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2754 restore_rounding_mode(env);
2755 if (get_float_exception_flags(&env->active_fpu.fp_status)
2756 & (float_flag_invalid | float_flag_overflow)) {
2757 wt2 = FP_TO_INT32_OVERFLOW;
2759 update_fcr31(env, GETPC());
2763 uint64_t helper_float_truncl_d(CPUMIPSState *env, uint64_t fdt0)
2767 dt2 = float64_to_int64_round_to_zero(fdt0, &env->active_fpu.fp_status);
2768 if (get_float_exception_flags(&env->active_fpu.fp_status)
2769 & (float_flag_invalid | float_flag_overflow)) {
2770 dt2 = FP_TO_INT64_OVERFLOW;
2772 update_fcr31(env, GETPC());
2776 uint64_t helper_float_truncl_s(CPUMIPSState *env, uint32_t fst0)
2780 dt2 = float32_to_int64_round_to_zero(fst0, &env->active_fpu.fp_status);
2781 if (get_float_exception_flags(&env->active_fpu.fp_status)
2782 & (float_flag_invalid | float_flag_overflow)) {
2783 dt2 = FP_TO_INT64_OVERFLOW;
2785 update_fcr31(env, GETPC());
2789 uint32_t helper_float_truncw_d(CPUMIPSState *env, uint64_t fdt0)
2793 wt2 = float64_to_int32_round_to_zero(fdt0, &env->active_fpu.fp_status);
2794 if (get_float_exception_flags(&env->active_fpu.fp_status)
2795 & (float_flag_invalid | float_flag_overflow)) {
2796 wt2 = FP_TO_INT32_OVERFLOW;
2798 update_fcr31(env, GETPC());
2802 uint32_t helper_float_truncw_s(CPUMIPSState *env, uint32_t fst0)
2806 wt2 = float32_to_int32_round_to_zero(fst0, &env->active_fpu.fp_status);
2807 if (get_float_exception_flags(&env->active_fpu.fp_status)
2808 & (float_flag_invalid | float_flag_overflow)) {
2809 wt2 = FP_TO_INT32_OVERFLOW;
2811 update_fcr31(env, GETPC());
2815 uint64_t helper_float_ceill_d(CPUMIPSState *env, uint64_t fdt0)
2819 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2820 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2821 restore_rounding_mode(env);
2822 if (get_float_exception_flags(&env->active_fpu.fp_status)
2823 & (float_flag_invalid | float_flag_overflow)) {
2824 dt2 = FP_TO_INT64_OVERFLOW;
2826 update_fcr31(env, GETPC());
2830 uint64_t helper_float_ceill_s(CPUMIPSState *env, uint32_t fst0)
2834 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2835 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2836 restore_rounding_mode(env);
2837 if (get_float_exception_flags(&env->active_fpu.fp_status)
2838 & (float_flag_invalid | float_flag_overflow)) {
2839 dt2 = FP_TO_INT64_OVERFLOW;
2841 update_fcr31(env, GETPC());
2845 uint32_t helper_float_ceilw_d(CPUMIPSState *env, uint64_t fdt0)
2849 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2850 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2851 restore_rounding_mode(env);
2852 if (get_float_exception_flags(&env->active_fpu.fp_status)
2853 & (float_flag_invalid | float_flag_overflow)) {
2854 wt2 = FP_TO_INT32_OVERFLOW;
2856 update_fcr31(env, GETPC());
2860 uint32_t helper_float_ceilw_s(CPUMIPSState *env, uint32_t fst0)
2864 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2865 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2866 restore_rounding_mode(env);
2867 if (get_float_exception_flags(&env->active_fpu.fp_status)
2868 & (float_flag_invalid | float_flag_overflow)) {
2869 wt2 = FP_TO_INT32_OVERFLOW;
2871 update_fcr31(env, GETPC());
2875 uint64_t helper_float_floorl_d(CPUMIPSState *env, uint64_t fdt0)
2879 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2880 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2881 restore_rounding_mode(env);
2882 if (get_float_exception_flags(&env->active_fpu.fp_status)
2883 & (float_flag_invalid | float_flag_overflow)) {
2884 dt2 = FP_TO_INT64_OVERFLOW;
2886 update_fcr31(env, GETPC());
2890 uint64_t helper_float_floorl_s(CPUMIPSState *env, uint32_t fst0)
2894 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2895 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2896 restore_rounding_mode(env);
2897 if (get_float_exception_flags(&env->active_fpu.fp_status)
2898 & (float_flag_invalid | float_flag_overflow)) {
2899 dt2 = FP_TO_INT64_OVERFLOW;
2901 update_fcr31(env, GETPC());
2905 uint32_t helper_float_floorw_d(CPUMIPSState *env, uint64_t fdt0)
2909 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2910 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2911 restore_rounding_mode(env);
2912 if (get_float_exception_flags(&env->active_fpu.fp_status)
2913 & (float_flag_invalid | float_flag_overflow)) {
2914 wt2 = FP_TO_INT32_OVERFLOW;
2916 update_fcr31(env, GETPC());
2920 uint32_t helper_float_floorw_s(CPUMIPSState *env, uint32_t fst0)
2924 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2925 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2926 restore_rounding_mode(env);
2927 if (get_float_exception_flags(&env->active_fpu.fp_status)
2928 & (float_flag_invalid | float_flag_overflow)) {
2929 wt2 = FP_TO_INT32_OVERFLOW;
2931 update_fcr31(env, GETPC());
2935 /* unary operations, not modifying fp status */
2936 #define FLOAT_UNOP(name) \
2937 uint64_t helper_float_ ## name ## _d(uint64_t fdt0) \
2939 return float64_ ## name(fdt0); \
2941 uint32_t helper_float_ ## name ## _s(uint32_t fst0) \
2943 return float32_ ## name(fst0); \
2945 uint64_t helper_float_ ## name ## _ps(uint64_t fdt0) \
2950 wt0 = float32_ ## name(fdt0 & 0XFFFFFFFF); \
2951 wth0 = float32_ ## name(fdt0 >> 32); \
2952 return ((uint64_t)wth0 << 32) | wt0; \
2958 /* MIPS specific unary operations */
2959 uint64_t helper_float_recip_d(CPUMIPSState *env, uint64_t fdt0)
2963 fdt2 = float64_div(float64_one, fdt0, &env->active_fpu.fp_status);
2964 update_fcr31(env, GETPC());
2968 uint32_t helper_float_recip_s(CPUMIPSState *env, uint32_t fst0)
2972 fst2 = float32_div(float32_one, fst0, &env->active_fpu.fp_status);
2973 update_fcr31(env, GETPC());
2977 uint64_t helper_float_rsqrt_d(CPUMIPSState *env, uint64_t fdt0)
2981 fdt2 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
2982 fdt2 = float64_div(float64_one, fdt2, &env->active_fpu.fp_status);
2983 update_fcr31(env, GETPC());
2987 uint32_t helper_float_rsqrt_s(CPUMIPSState *env, uint32_t fst0)
2991 fst2 = float32_sqrt(fst0, &env->active_fpu.fp_status);
2992 fst2 = float32_div(float32_one, fst2, &env->active_fpu.fp_status);
2993 update_fcr31(env, GETPC());
2997 uint64_t helper_float_recip1_d(CPUMIPSState *env, uint64_t fdt0)
3001 fdt2 = float64_div(float64_one, fdt0, &env->active_fpu.fp_status);
3002 update_fcr31(env, GETPC());
3006 uint32_t helper_float_recip1_s(CPUMIPSState *env, uint32_t fst0)
3010 fst2 = float32_div(float32_one, fst0, &env->active_fpu.fp_status);
3011 update_fcr31(env, GETPC());
3015 uint64_t helper_float_recip1_ps(CPUMIPSState *env, uint64_t fdt0)
3020 fst2 = float32_div(float32_one, fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
3021 fsth2 = float32_div(float32_one, fdt0 >> 32, &env->active_fpu.fp_status);
3022 update_fcr31(env, GETPC());
3023 return ((uint64_t)fsth2 << 32) | fst2;
3026 uint64_t helper_float_rsqrt1_d(CPUMIPSState *env, uint64_t fdt0)
3030 fdt2 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
3031 fdt2 = float64_div(float64_one, fdt2, &env->active_fpu.fp_status);
3032 update_fcr31(env, GETPC());
3036 uint32_t helper_float_rsqrt1_s(CPUMIPSState *env, uint32_t fst0)
3040 fst2 = float32_sqrt(fst0, &env->active_fpu.fp_status);
3041 fst2 = float32_div(float32_one, fst2, &env->active_fpu.fp_status);
3042 update_fcr31(env, GETPC());
3046 uint64_t helper_float_rsqrt1_ps(CPUMIPSState *env, uint64_t fdt0)
3051 fst2 = float32_sqrt(fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
3052 fsth2 = float32_sqrt(fdt0 >> 32, &env->active_fpu.fp_status);
3053 fst2 = float32_div(float32_one, fst2, &env->active_fpu.fp_status);
3054 fsth2 = float32_div(float32_one, fsth2, &env->active_fpu.fp_status);
3055 update_fcr31(env, GETPC());
3056 return ((uint64_t)fsth2 << 32) | fst2;
3059 #define FLOAT_RINT(name, bits) \
3060 uint ## bits ## _t helper_float_ ## name (CPUMIPSState *env, \
3061 uint ## bits ## _t fs) \
3063 uint ## bits ## _t fdret; \
3065 fdret = float ## bits ## _round_to_int(fs, &env->active_fpu.fp_status); \
3066 update_fcr31(env, GETPC()); \
3070 FLOAT_RINT(rint_s, 32)
3071 FLOAT_RINT(rint_d, 64)
3074 #define FLOAT_CLASS_SIGNALING_NAN 0x001
3075 #define FLOAT_CLASS_QUIET_NAN 0x002
3076 #define FLOAT_CLASS_NEGATIVE_INFINITY 0x004
3077 #define FLOAT_CLASS_NEGATIVE_NORMAL 0x008
3078 #define FLOAT_CLASS_NEGATIVE_SUBNORMAL 0x010
3079 #define FLOAT_CLASS_NEGATIVE_ZERO 0x020
3080 #define FLOAT_CLASS_POSITIVE_INFINITY 0x040
3081 #define FLOAT_CLASS_POSITIVE_NORMAL 0x080
3082 #define FLOAT_CLASS_POSITIVE_SUBNORMAL 0x100
3083 #define FLOAT_CLASS_POSITIVE_ZERO 0x200
3085 #define FLOAT_CLASS(name, bits) \
3086 uint ## bits ## _t helper_float_ ## name (uint ## bits ## _t arg) \
3088 if (float ## bits ## _is_signaling_nan(arg)) { \
3089 return FLOAT_CLASS_SIGNALING_NAN; \
3090 } else if (float ## bits ## _is_quiet_nan(arg)) { \
3091 return FLOAT_CLASS_QUIET_NAN; \
3092 } else if (float ## bits ## _is_neg(arg)) { \
3093 if (float ## bits ## _is_infinity(arg)) { \
3094 return FLOAT_CLASS_NEGATIVE_INFINITY; \
3095 } else if (float ## bits ## _is_zero(arg)) { \
3096 return FLOAT_CLASS_NEGATIVE_ZERO; \
3097 } else if (float ## bits ## _is_zero_or_denormal(arg)) { \
3098 return FLOAT_CLASS_NEGATIVE_SUBNORMAL; \
3100 return FLOAT_CLASS_NEGATIVE_NORMAL; \
3103 if (float ## bits ## _is_infinity(arg)) { \
3104 return FLOAT_CLASS_POSITIVE_INFINITY; \
3105 } else if (float ## bits ## _is_zero(arg)) { \
3106 return FLOAT_CLASS_POSITIVE_ZERO; \
3107 } else if (float ## bits ## _is_zero_or_denormal(arg)) { \
3108 return FLOAT_CLASS_POSITIVE_SUBNORMAL; \
3110 return FLOAT_CLASS_POSITIVE_NORMAL; \
3115 FLOAT_CLASS(class_s, 32)
3116 FLOAT_CLASS(class_d, 64)
3119 /* binary operations */
3120 #define FLOAT_BINOP(name) \
3121 uint64_t helper_float_ ## name ## _d(CPUMIPSState *env, \
3122 uint64_t fdt0, uint64_t fdt1) \
3126 dt2 = float64_ ## name (fdt0, fdt1, &env->active_fpu.fp_status); \
3127 update_fcr31(env, GETPC()); \
3131 uint32_t helper_float_ ## name ## _s(CPUMIPSState *env, \
3132 uint32_t fst0, uint32_t fst1) \
3136 wt2 = float32_ ## name (fst0, fst1, &env->active_fpu.fp_status); \
3137 update_fcr31(env, GETPC()); \
3141 uint64_t helper_float_ ## name ## _ps(CPUMIPSState *env, \
3145 uint32_t fst0 = fdt0 & 0XFFFFFFFF; \
3146 uint32_t fsth0 = fdt0 >> 32; \
3147 uint32_t fst1 = fdt1 & 0XFFFFFFFF; \
3148 uint32_t fsth1 = fdt1 >> 32; \
3152 wt2 = float32_ ## name (fst0, fst1, &env->active_fpu.fp_status); \
3153 wth2 = float32_ ## name (fsth0, fsth1, &env->active_fpu.fp_status); \
3154 update_fcr31(env, GETPC()); \
3155 return ((uint64_t)wth2 << 32) | wt2; \
3164 /* MIPS specific binary operations */
3165 uint64_t helper_float_recip2_d(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
3167 fdt2 = float64_mul(fdt0, fdt2, &env->active_fpu.fp_status);
3168 fdt2 = float64_chs(float64_sub(fdt2, float64_one, &env->active_fpu.fp_status));
3169 update_fcr31(env, GETPC());
3173 uint32_t helper_float_recip2_s(CPUMIPSState *env, uint32_t fst0, uint32_t fst2)
3175 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
3176 fst2 = float32_chs(float32_sub(fst2, float32_one, &env->active_fpu.fp_status));
3177 update_fcr31(env, GETPC());
3181 uint64_t helper_float_recip2_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
3183 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
3184 uint32_t fsth0 = fdt0 >> 32;
3185 uint32_t fst2 = fdt2 & 0XFFFFFFFF;
3186 uint32_t fsth2 = fdt2 >> 32;
3188 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
3189 fsth2 = float32_mul(fsth0, fsth2, &env->active_fpu.fp_status);
3190 fst2 = float32_chs(float32_sub(fst2, float32_one, &env->active_fpu.fp_status));
3191 fsth2 = float32_chs(float32_sub(fsth2, float32_one, &env->active_fpu.fp_status));
3192 update_fcr31(env, GETPC());
3193 return ((uint64_t)fsth2 << 32) | fst2;
3196 uint64_t helper_float_rsqrt2_d(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
3198 fdt2 = float64_mul(fdt0, fdt2, &env->active_fpu.fp_status);
3199 fdt2 = float64_sub(fdt2, float64_one, &env->active_fpu.fp_status);
3200 fdt2 = float64_chs(float64_div(fdt2, FLOAT_TWO64, &env->active_fpu.fp_status));
3201 update_fcr31(env, GETPC());
3205 uint32_t helper_float_rsqrt2_s(CPUMIPSState *env, uint32_t fst0, uint32_t fst2)
3207 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
3208 fst2 = float32_sub(fst2, float32_one, &env->active_fpu.fp_status);
3209 fst2 = float32_chs(float32_div(fst2, FLOAT_TWO32, &env->active_fpu.fp_status));
3210 update_fcr31(env, GETPC());
3214 uint64_t helper_float_rsqrt2_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
3216 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
3217 uint32_t fsth0 = fdt0 >> 32;
3218 uint32_t fst2 = fdt2 & 0XFFFFFFFF;
3219 uint32_t fsth2 = fdt2 >> 32;
3221 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
3222 fsth2 = float32_mul(fsth0, fsth2, &env->active_fpu.fp_status);
3223 fst2 = float32_sub(fst2, float32_one, &env->active_fpu.fp_status);
3224 fsth2 = float32_sub(fsth2, float32_one, &env->active_fpu.fp_status);
3225 fst2 = float32_chs(float32_div(fst2, FLOAT_TWO32, &env->active_fpu.fp_status));
3226 fsth2 = float32_chs(float32_div(fsth2, FLOAT_TWO32, &env->active_fpu.fp_status));
3227 update_fcr31(env, GETPC());
3228 return ((uint64_t)fsth2 << 32) | fst2;
3231 uint64_t helper_float_addr_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt1)
3233 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
3234 uint32_t fsth0 = fdt0 >> 32;
3235 uint32_t fst1 = fdt1 & 0XFFFFFFFF;
3236 uint32_t fsth1 = fdt1 >> 32;
3240 fst2 = float32_add (fst0, fsth0, &env->active_fpu.fp_status);
3241 fsth2 = float32_add (fst1, fsth1, &env->active_fpu.fp_status);
3242 update_fcr31(env, GETPC());
3243 return ((uint64_t)fsth2 << 32) | fst2;
3246 uint64_t helper_float_mulr_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt1)
3248 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
3249 uint32_t fsth0 = fdt0 >> 32;
3250 uint32_t fst1 = fdt1 & 0XFFFFFFFF;
3251 uint32_t fsth1 = fdt1 >> 32;
3255 fst2 = float32_mul (fst0, fsth0, &env->active_fpu.fp_status);
3256 fsth2 = float32_mul (fst1, fsth1, &env->active_fpu.fp_status);
3257 update_fcr31(env, GETPC());
3258 return ((uint64_t)fsth2 << 32) | fst2;
3261 #define FLOAT_MINMAX(name, bits, minmaxfunc) \
3262 uint ## bits ## _t helper_float_ ## name (CPUMIPSState *env, \
3263 uint ## bits ## _t fs, \
3264 uint ## bits ## _t ft) \
3266 uint ## bits ## _t fdret; \
3268 fdret = float ## bits ## _ ## minmaxfunc(fs, ft, \
3269 &env->active_fpu.fp_status); \
3270 update_fcr31(env, GETPC()); \
3274 FLOAT_MINMAX(max_s, 32, maxnum)
3275 FLOAT_MINMAX(max_d, 64, maxnum)
3276 FLOAT_MINMAX(maxa_s, 32, maxnummag)
3277 FLOAT_MINMAX(maxa_d, 64, maxnummag)
3279 FLOAT_MINMAX(min_s, 32, minnum)
3280 FLOAT_MINMAX(min_d, 64, minnum)
3281 FLOAT_MINMAX(mina_s, 32, minnummag)
3282 FLOAT_MINMAX(mina_d, 64, minnummag)
3285 /* ternary operations */
3286 #define UNFUSED_FMA(prefix, a, b, c, flags) \
3288 a = prefix##_mul(a, b, &env->active_fpu.fp_status); \
3289 if ((flags) & float_muladd_negate_c) { \
3290 a = prefix##_sub(a, c, &env->active_fpu.fp_status); \
3292 a = prefix##_add(a, c, &env->active_fpu.fp_status); \
3294 if ((flags) & float_muladd_negate_result) { \
3295 a = prefix##_chs(a); \
3299 /* FMA based operations */
3300 #define FLOAT_FMA(name, type) \
3301 uint64_t helper_float_ ## name ## _d(CPUMIPSState *env, \
3302 uint64_t fdt0, uint64_t fdt1, \
3305 UNFUSED_FMA(float64, fdt0, fdt1, fdt2, type); \
3306 update_fcr31(env, GETPC()); \
3310 uint32_t helper_float_ ## name ## _s(CPUMIPSState *env, \
3311 uint32_t fst0, uint32_t fst1, \
3314 UNFUSED_FMA(float32, fst0, fst1, fst2, type); \
3315 update_fcr31(env, GETPC()); \
3319 uint64_t helper_float_ ## name ## _ps(CPUMIPSState *env, \
3320 uint64_t fdt0, uint64_t fdt1, \
3323 uint32_t fst0 = fdt0 & 0XFFFFFFFF; \
3324 uint32_t fsth0 = fdt0 >> 32; \
3325 uint32_t fst1 = fdt1 & 0XFFFFFFFF; \
3326 uint32_t fsth1 = fdt1 >> 32; \
3327 uint32_t fst2 = fdt2 & 0XFFFFFFFF; \
3328 uint32_t fsth2 = fdt2 >> 32; \
3330 UNFUSED_FMA(float32, fst0, fst1, fst2, type); \
3331 UNFUSED_FMA(float32, fsth0, fsth1, fsth2, type); \
3332 update_fcr31(env, GETPC()); \
3333 return ((uint64_t)fsth0 << 32) | fst0; \
3336 FLOAT_FMA(msub, float_muladd_negate_c)
3337 FLOAT_FMA(nmadd, float_muladd_negate_result)
3338 FLOAT_FMA(nmsub, float_muladd_negate_result | float_muladd_negate_c)
3341 #define FLOAT_FMADDSUB(name, bits, muladd_arg) \
3342 uint ## bits ## _t helper_float_ ## name (CPUMIPSState *env, \
3343 uint ## bits ## _t fs, \
3344 uint ## bits ## _t ft, \
3345 uint ## bits ## _t fd) \
3347 uint ## bits ## _t fdret; \
3349 fdret = float ## bits ## _muladd(fs, ft, fd, muladd_arg, \
3350 &env->active_fpu.fp_status); \
3351 update_fcr31(env, GETPC()); \
3355 FLOAT_FMADDSUB(maddf_s, 32, 0)
3356 FLOAT_FMADDSUB(maddf_d, 64, 0)
3357 FLOAT_FMADDSUB(msubf_s, 32, float_muladd_negate_product)
3358 FLOAT_FMADDSUB(msubf_d, 64, float_muladd_negate_product)
3359 #undef FLOAT_FMADDSUB
3361 /* compare operations */
3362 #define FOP_COND_D(op, cond) \
3363 void helper_cmp_d_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3364 uint64_t fdt1, int cc) \
3368 update_fcr31(env, GETPC()); \
3370 SET_FP_COND(cc, env->active_fpu); \
3372 CLEAR_FP_COND(cc, env->active_fpu); \
3374 void helper_cmpabs_d_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3375 uint64_t fdt1, int cc) \
3378 fdt0 = float64_abs(fdt0); \
3379 fdt1 = float64_abs(fdt1); \
3381 update_fcr31(env, GETPC()); \
3383 SET_FP_COND(cc, env->active_fpu); \
3385 CLEAR_FP_COND(cc, env->active_fpu); \
3388 /* NOTE: the comma operator will make "cond" to eval to false,
3389 * but float64_unordered_quiet() is still called. */
3390 FOP_COND_D(f, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status), 0))
3391 FOP_COND_D(un, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status))
3392 FOP_COND_D(eq, float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3393 FOP_COND_D(ueq, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status) || float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3394 FOP_COND_D(olt, float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3395 FOP_COND_D(ult, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status) || float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3396 FOP_COND_D(ole, float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3397 FOP_COND_D(ule, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status) || float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3398 /* NOTE: the comma operator will make "cond" to eval to false,
3399 * but float64_unordered() is still called. */
3400 FOP_COND_D(sf, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status), 0))
3401 FOP_COND_D(ngle,float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status))
3402 FOP_COND_D(seq, float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
3403 FOP_COND_D(ngl, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status) || float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
3404 FOP_COND_D(lt, float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
3405 FOP_COND_D(nge, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status) || float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
3406 FOP_COND_D(le, float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
3407 FOP_COND_D(ngt, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status) || float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
3409 #define FOP_COND_S(op, cond) \
3410 void helper_cmp_s_ ## op(CPUMIPSState *env, uint32_t fst0, \
3411 uint32_t fst1, int cc) \
3415 update_fcr31(env, GETPC()); \
3417 SET_FP_COND(cc, env->active_fpu); \
3419 CLEAR_FP_COND(cc, env->active_fpu); \
3421 void helper_cmpabs_s_ ## op(CPUMIPSState *env, uint32_t fst0, \
3422 uint32_t fst1, int cc) \
3425 fst0 = float32_abs(fst0); \
3426 fst1 = float32_abs(fst1); \
3428 update_fcr31(env, GETPC()); \
3430 SET_FP_COND(cc, env->active_fpu); \
3432 CLEAR_FP_COND(cc, env->active_fpu); \
3435 /* NOTE: the comma operator will make "cond" to eval to false,
3436 * but float32_unordered_quiet() is still called. */
3437 FOP_COND_S(f, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status), 0))
3438 FOP_COND_S(un, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status))
3439 FOP_COND_S(eq, float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status))
3440 FOP_COND_S(ueq, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status))
3441 FOP_COND_S(olt, float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status))
3442 FOP_COND_S(ult, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status))
3443 FOP_COND_S(ole, float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status))
3444 FOP_COND_S(ule, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status))
3445 /* NOTE: the comma operator will make "cond" to eval to false,
3446 * but float32_unordered() is still called. */
3447 FOP_COND_S(sf, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status), 0))
3448 FOP_COND_S(ngle,float32_unordered(fst1, fst0, &env->active_fpu.fp_status))
3449 FOP_COND_S(seq, float32_eq(fst0, fst1, &env->active_fpu.fp_status))
3450 FOP_COND_S(ngl, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_eq(fst0, fst1, &env->active_fpu.fp_status))
3451 FOP_COND_S(lt, float32_lt(fst0, fst1, &env->active_fpu.fp_status))
3452 FOP_COND_S(nge, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_lt(fst0, fst1, &env->active_fpu.fp_status))
3453 FOP_COND_S(le, float32_le(fst0, fst1, &env->active_fpu.fp_status))
3454 FOP_COND_S(ngt, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_le(fst0, fst1, &env->active_fpu.fp_status))
3456 #define FOP_COND_PS(op, condl, condh) \
3457 void helper_cmp_ps_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3458 uint64_t fdt1, int cc) \
3460 uint32_t fst0, fsth0, fst1, fsth1; \
3462 fst0 = fdt0 & 0XFFFFFFFF; \
3463 fsth0 = fdt0 >> 32; \
3464 fst1 = fdt1 & 0XFFFFFFFF; \
3465 fsth1 = 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); \
3478 void helper_cmpabs_ps_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3479 uint64_t fdt1, int cc) \
3481 uint32_t fst0, fsth0, fst1, fsth1; \
3483 fst0 = float32_abs(fdt0 & 0XFFFFFFFF); \
3484 fsth0 = float32_abs(fdt0 >> 32); \
3485 fst1 = float32_abs(fdt1 & 0XFFFFFFFF); \
3486 fsth1 = float32_abs(fdt1 >> 32); \
3489 update_fcr31(env, GETPC()); \
3491 SET_FP_COND(cc, env->active_fpu); \
3493 CLEAR_FP_COND(cc, env->active_fpu); \
3495 SET_FP_COND(cc + 1, env->active_fpu); \
3497 CLEAR_FP_COND(cc + 1, env->active_fpu); \
3500 /* NOTE: the comma operator will make "cond" to eval to false,
3501 * but float32_unordered_quiet() is still called. */
3502 FOP_COND_PS(f, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status), 0),
3503 (float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status), 0))
3504 FOP_COND_PS(un, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status),
3505 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status))
3506 FOP_COND_PS(eq, float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status),
3507 float32_eq_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3508 FOP_COND_PS(ueq, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status),
3509 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status) || float32_eq_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3510 FOP_COND_PS(olt, float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status),
3511 float32_lt_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3512 FOP_COND_PS(ult, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status),
3513 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status) || float32_lt_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3514 FOP_COND_PS(ole, float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status),
3515 float32_le_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3516 FOP_COND_PS(ule, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status),
3517 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status) || float32_le_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3518 /* NOTE: the comma operator will make "cond" to eval to false,
3519 * but float32_unordered() is still called. */
3520 FOP_COND_PS(sf, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status), 0),
3521 (float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status), 0))
3522 FOP_COND_PS(ngle,float32_unordered(fst1, fst0, &env->active_fpu.fp_status),
3523 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status))
3524 FOP_COND_PS(seq, float32_eq(fst0, fst1, &env->active_fpu.fp_status),
3525 float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
3526 FOP_COND_PS(ngl, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_eq(fst0, fst1, &env->active_fpu.fp_status),
3527 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status) || float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
3528 FOP_COND_PS(lt, float32_lt(fst0, fst1, &env->active_fpu.fp_status),
3529 float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
3530 FOP_COND_PS(nge, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_lt(fst0, fst1, &env->active_fpu.fp_status),
3531 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status) || float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
3532 FOP_COND_PS(le, float32_le(fst0, fst1, &env->active_fpu.fp_status),
3533 float32_le(fsth0, fsth1, &env->active_fpu.fp_status))
3534 FOP_COND_PS(ngt, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_le(fst0, fst1, &env->active_fpu.fp_status),
3535 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status) || float32_le(fsth0, fsth1, &env->active_fpu.fp_status))
3537 /* R6 compare operations */
3538 #define FOP_CONDN_D(op, cond) \
3539 uint64_t helper_r6_cmp_d_ ## op(CPUMIPSState * env, uint64_t fdt0, \
3544 update_fcr31(env, GETPC()); \
3552 /* NOTE: the comma operator will make "cond" to eval to false,
3553 * but float64_unordered_quiet() is still called. */
3554 FOP_CONDN_D(af, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status), 0))
3555 FOP_CONDN_D(un, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status)))
3556 FOP_CONDN_D(eq, (float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
3557 FOP_CONDN_D(ueq, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status)
3558 || float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
3559 FOP_CONDN_D(lt, (float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
3560 FOP_CONDN_D(ult, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status)
3561 || float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
3562 FOP_CONDN_D(le, (float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
3563 FOP_CONDN_D(ule, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status)
3564 || float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
3565 /* NOTE: the comma operator will make "cond" to eval to false,
3566 * but float64_unordered() is still called. */
3567 FOP_CONDN_D(saf, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status), 0))
3568 FOP_CONDN_D(sun, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status)))
3569 FOP_CONDN_D(seq, (float64_eq(fdt0, fdt1, &env->active_fpu.fp_status)))
3570 FOP_CONDN_D(sueq, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status)
3571 || float64_eq(fdt0, fdt1, &env->active_fpu.fp_status)))
3572 FOP_CONDN_D(slt, (float64_lt(fdt0, fdt1, &env->active_fpu.fp_status)))
3573 FOP_CONDN_D(sult, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status)
3574 || float64_lt(fdt0, fdt1, &env->active_fpu.fp_status)))
3575 FOP_CONDN_D(sle, (float64_le(fdt0, fdt1, &env->active_fpu.fp_status)))
3576 FOP_CONDN_D(sule, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status)
3577 || float64_le(fdt0, fdt1, &env->active_fpu.fp_status)))
3578 FOP_CONDN_D(or, (float64_le_quiet(fdt1, fdt0, &env->active_fpu.fp_status)
3579 || float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
3580 FOP_CONDN_D(une, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status)
3581 || float64_lt_quiet(fdt1, fdt0, &env->active_fpu.fp_status)
3582 || float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
3583 FOP_CONDN_D(ne, (float64_lt_quiet(fdt1, fdt0, &env->active_fpu.fp_status)
3584 || float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
3585 FOP_CONDN_D(sor, (float64_le(fdt1, fdt0, &env->active_fpu.fp_status)
3586 || float64_le(fdt0, fdt1, &env->active_fpu.fp_status)))
3587 FOP_CONDN_D(sune, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status)
3588 || float64_lt(fdt1, fdt0, &env->active_fpu.fp_status)
3589 || float64_lt(fdt0, fdt1, &env->active_fpu.fp_status)))
3590 FOP_CONDN_D(sne, (float64_lt(fdt1, fdt0, &env->active_fpu.fp_status)
3591 || float64_lt(fdt0, fdt1, &env->active_fpu.fp_status)))
3593 #define FOP_CONDN_S(op, cond) \
3594 uint32_t helper_r6_cmp_s_ ## op(CPUMIPSState * env, uint32_t fst0, \
3599 update_fcr31(env, GETPC()); \
3607 /* NOTE: the comma operator will make "cond" to eval to false,
3608 * but float32_unordered_quiet() is still called. */
3609 FOP_CONDN_S(af, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status), 0))
3610 FOP_CONDN_S(un, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status)))
3611 FOP_CONDN_S(eq, (float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status)))
3612 FOP_CONDN_S(ueq, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status)
3613 || float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status)))
3614 FOP_CONDN_S(lt, (float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status)))
3615 FOP_CONDN_S(ult, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status)
3616 || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status)))
3617 FOP_CONDN_S(le, (float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status)))
3618 FOP_CONDN_S(ule, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status)
3619 || float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status)))
3620 /* NOTE: the comma operator will make "cond" to eval to false,
3621 * but float32_unordered() is still called. */
3622 FOP_CONDN_S(saf, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status), 0))
3623 FOP_CONDN_S(sun, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status)))
3624 FOP_CONDN_S(seq, (float32_eq(fst0, fst1, &env->active_fpu.fp_status)))
3625 FOP_CONDN_S(sueq, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status)
3626 || float32_eq(fst0, fst1, &env->active_fpu.fp_status)))
3627 FOP_CONDN_S(slt, (float32_lt(fst0, fst1, &env->active_fpu.fp_status)))
3628 FOP_CONDN_S(sult, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status)
3629 || float32_lt(fst0, fst1, &env->active_fpu.fp_status)))
3630 FOP_CONDN_S(sle, (float32_le(fst0, fst1, &env->active_fpu.fp_status)))
3631 FOP_CONDN_S(sule, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status)
3632 || float32_le(fst0, fst1, &env->active_fpu.fp_status)))
3633 FOP_CONDN_S(or, (float32_le_quiet(fst1, fst0, &env->active_fpu.fp_status)
3634 || float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status)))
3635 FOP_CONDN_S(une, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status)
3636 || float32_lt_quiet(fst1, fst0, &env->active_fpu.fp_status)
3637 || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status)))
3638 FOP_CONDN_S(ne, (float32_lt_quiet(fst1, fst0, &env->active_fpu.fp_status)
3639 || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status)))
3640 FOP_CONDN_S(sor, (float32_le(fst1, fst0, &env->active_fpu.fp_status)
3641 || float32_le(fst0, fst1, &env->active_fpu.fp_status)))
3642 FOP_CONDN_S(sune, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status)
3643 || float32_lt(fst1, fst0, &env->active_fpu.fp_status)
3644 || float32_lt(fst0, fst1, &env->active_fpu.fp_status)))
3645 FOP_CONDN_S(sne, (float32_lt(fst1, fst0, &env->active_fpu.fp_status)
3646 || float32_lt(fst0, fst1, &env->active_fpu.fp_status)))
3649 /* Data format min and max values */
3650 #define DF_BITS(df) (1 << ((df) + 3))
3652 /* Element-by-element access macros */
3653 #define DF_ELEMENTS(df) (MSA_WRLEN / DF_BITS(df))
3655 #if !defined(CONFIG_USER_ONLY)
3656 #define MEMOP_IDX(DF) \
3657 TCGMemOpIdx oi = make_memop_idx(MO_TE | DF | MO_UNALN, \
3658 cpu_mmu_index(env, false));
3660 #define MEMOP_IDX(DF)
3663 #define MSA_LD_DF(DF, TYPE, LD_INSN, ...) \
3664 void helper_msa_ld_ ## TYPE(CPUMIPSState *env, uint32_t wd, \
3665 target_ulong addr) \
3667 wr_t *pwd = &(env->active_fpu.fpr[wd].wr); \
3671 for (i = 0; i < DF_ELEMENTS(DF); i++) { \
3672 wx.TYPE[i] = LD_INSN(env, addr + (i << DF), ##__VA_ARGS__); \
3674 memcpy(pwd, &wx, sizeof(wr_t)); \
3677 #if !defined(CONFIG_USER_ONLY)
3678 MSA_LD_DF(DF_BYTE, b, helper_ret_ldub_mmu, oi, GETRA())
3679 MSA_LD_DF(DF_HALF, h, helper_ret_lduw_mmu, oi, GETRA())
3680 MSA_LD_DF(DF_WORD, w, helper_ret_ldul_mmu, oi, GETRA())
3681 MSA_LD_DF(DF_DOUBLE, d, helper_ret_ldq_mmu, oi, GETRA())
3683 MSA_LD_DF(DF_BYTE, b, cpu_ldub_data)
3684 MSA_LD_DF(DF_HALF, h, cpu_lduw_data)
3685 MSA_LD_DF(DF_WORD, w, cpu_ldl_data)
3686 MSA_LD_DF(DF_DOUBLE, d, cpu_ldq_data)
3689 #define MSA_PAGESPAN(x) \
3690 ((((x) & ~TARGET_PAGE_MASK) + MSA_WRLEN/8 - 1) >= TARGET_PAGE_SIZE)
3692 static inline void ensure_writable_pages(CPUMIPSState *env,
3697 #if !defined(CONFIG_USER_ONLY)
3698 target_ulong page_addr;
3699 if (unlikely(MSA_PAGESPAN(addr))) {
3701 probe_write(env, addr, mmu_idx, retaddr);
3703 page_addr = (addr & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE;
3704 probe_write(env, page_addr, mmu_idx, retaddr);
3709 #define MSA_ST_DF(DF, TYPE, ST_INSN, ...) \
3710 void helper_msa_st_ ## TYPE(CPUMIPSState *env, uint32_t wd, \
3711 target_ulong addr) \
3713 wr_t *pwd = &(env->active_fpu.fpr[wd].wr); \
3714 int mmu_idx = cpu_mmu_index(env, false); \
3717 ensure_writable_pages(env, addr, mmu_idx, GETRA()); \
3718 for (i = 0; i < DF_ELEMENTS(DF); i++) { \
3719 ST_INSN(env, addr + (i << DF), pwd->TYPE[i], ##__VA_ARGS__); \
3723 #if !defined(CONFIG_USER_ONLY)
3724 MSA_ST_DF(DF_BYTE, b, helper_ret_stb_mmu, oi, GETRA())
3725 MSA_ST_DF(DF_HALF, h, helper_ret_stw_mmu, oi, GETRA())
3726 MSA_ST_DF(DF_WORD, w, helper_ret_stl_mmu, oi, GETRA())
3727 MSA_ST_DF(DF_DOUBLE, d, helper_ret_stq_mmu, oi, GETRA())
3729 MSA_ST_DF(DF_BYTE, b, cpu_stb_data)
3730 MSA_ST_DF(DF_HALF, h, cpu_stw_data)
3731 MSA_ST_DF(DF_WORD, w, cpu_stl_data)
3732 MSA_ST_DF(DF_DOUBLE, d, cpu_stq_data)