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"
25 #if !defined(CONFIG_USER_ONLY)
26 #include "exec/softmmu_exec.h"
27 #endif /* !defined(CONFIG_USER_ONLY) */
29 #ifndef CONFIG_USER_ONLY
30 static inline void cpu_mips_tlb_flush (CPUMIPSState *env, int flush_global);
33 /*****************************************************************************/
34 /* Exceptions processing helpers */
36 static inline void QEMU_NORETURN do_raise_exception_err(CPUMIPSState *env,
41 if (exception < EXCP_SC) {
42 qemu_log("%s: %d %d\n", __func__, exception, error_code);
44 env->exception_index = exception;
45 env->error_code = error_code;
48 /* now we have a real cpu fault */
49 cpu_restore_state(env, pc);
55 static inline void QEMU_NORETURN do_raise_exception(CPUMIPSState *env,
59 do_raise_exception_err(env, exception, 0, pc);
62 void helper_raise_exception_err(CPUMIPSState *env, uint32_t exception,
65 do_raise_exception_err(env, exception, error_code, 0);
68 void helper_raise_exception(CPUMIPSState *env, uint32_t exception)
70 do_raise_exception(env, exception, 0);
73 #if defined(CONFIG_USER_ONLY)
74 #define HELPER_LD(name, insn, type) \
75 static inline type do_##name(CPUMIPSState *env, target_ulong addr, \
78 return (type) insn##_raw(addr); \
81 #define HELPER_LD(name, insn, type) \
82 static inline type do_##name(CPUMIPSState *env, target_ulong addr, \
87 case 0: return (type) cpu_##insn##_kernel(env, addr); break; \
88 case 1: return (type) cpu_##insn##_super(env, addr); break; \
90 case 2: return (type) cpu_##insn##_user(env, addr); break; \
94 HELPER_LD(lbu, ldub, uint8_t)
95 HELPER_LD(lw, ldl, int32_t)
97 HELPER_LD(ld, ldq, int64_t)
101 #if defined(CONFIG_USER_ONLY)
102 #define HELPER_ST(name, insn, type) \
103 static inline void do_##name(CPUMIPSState *env, target_ulong addr, \
104 type val, int mem_idx) \
106 insn##_raw(addr, val); \
109 #define HELPER_ST(name, insn, type) \
110 static inline void do_##name(CPUMIPSState *env, target_ulong addr, \
111 type val, int mem_idx) \
115 case 0: cpu_##insn##_kernel(env, addr, val); break; \
116 case 1: cpu_##insn##_super(env, addr, val); break; \
118 case 2: cpu_##insn##_user(env, addr, val); break; \
122 HELPER_ST(sb, stb, uint8_t)
123 HELPER_ST(sw, stl, uint32_t)
125 HELPER_ST(sd, stq, uint64_t)
129 target_ulong helper_clo (target_ulong arg1)
134 target_ulong helper_clz (target_ulong arg1)
139 #if defined(TARGET_MIPS64)
140 target_ulong helper_dclo (target_ulong arg1)
145 target_ulong helper_dclz (target_ulong arg1)
149 #endif /* TARGET_MIPS64 */
151 /* 64 bits arithmetic for 32 bits hosts */
152 static inline uint64_t get_HILO(CPUMIPSState *env)
154 return ((uint64_t)(env->active_tc.HI[0]) << 32) | (uint32_t)env->active_tc.LO[0];
157 static inline target_ulong set_HIT0_LO(CPUMIPSState *env, uint64_t HILO)
160 env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF);
161 tmp = env->active_tc.HI[0] = (int32_t)(HILO >> 32);
165 static inline target_ulong set_HI_LOT0(CPUMIPSState *env, uint64_t HILO)
167 target_ulong tmp = env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF);
168 env->active_tc.HI[0] = (int32_t)(HILO >> 32);
172 /* Multiplication variants of the vr54xx. */
173 target_ulong helper_muls(CPUMIPSState *env, target_ulong arg1,
176 return set_HI_LOT0(env, 0 - ((int64_t)(int32_t)arg1 *
177 (int64_t)(int32_t)arg2));
180 target_ulong helper_mulsu(CPUMIPSState *env, target_ulong arg1,
183 return set_HI_LOT0(env, 0 - (uint64_t)(uint32_t)arg1 *
184 (uint64_t)(uint32_t)arg2);
187 target_ulong helper_macc(CPUMIPSState *env, target_ulong arg1,
190 return set_HI_LOT0(env, (int64_t)get_HILO(env) + (int64_t)(int32_t)arg1 *
191 (int64_t)(int32_t)arg2);
194 target_ulong helper_macchi(CPUMIPSState *env, target_ulong arg1,
197 return set_HIT0_LO(env, (int64_t)get_HILO(env) + (int64_t)(int32_t)arg1 *
198 (int64_t)(int32_t)arg2);
201 target_ulong helper_maccu(CPUMIPSState *env, target_ulong arg1,
204 return set_HI_LOT0(env, (uint64_t)get_HILO(env) +
205 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
208 target_ulong helper_macchiu(CPUMIPSState *env, target_ulong arg1,
211 return set_HIT0_LO(env, (uint64_t)get_HILO(env) +
212 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
215 target_ulong helper_msac(CPUMIPSState *env, target_ulong arg1,
218 return set_HI_LOT0(env, (int64_t)get_HILO(env) - (int64_t)(int32_t)arg1 *
219 (int64_t)(int32_t)arg2);
222 target_ulong helper_msachi(CPUMIPSState *env, target_ulong arg1,
225 return set_HIT0_LO(env, (int64_t)get_HILO(env) - (int64_t)(int32_t)arg1 *
226 (int64_t)(int32_t)arg2);
229 target_ulong helper_msacu(CPUMIPSState *env, target_ulong arg1,
232 return set_HI_LOT0(env, (uint64_t)get_HILO(env) -
233 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
236 target_ulong helper_msachiu(CPUMIPSState *env, target_ulong arg1,
239 return set_HIT0_LO(env, (uint64_t)get_HILO(env) -
240 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
243 target_ulong helper_mulhi(CPUMIPSState *env, target_ulong arg1,
246 return set_HIT0_LO(env, (int64_t)(int32_t)arg1 * (int64_t)(int32_t)arg2);
249 target_ulong helper_mulhiu(CPUMIPSState *env, target_ulong arg1,
252 return set_HIT0_LO(env, (uint64_t)(uint32_t)arg1 *
253 (uint64_t)(uint32_t)arg2);
256 target_ulong helper_mulshi(CPUMIPSState *env, target_ulong arg1,
259 return set_HIT0_LO(env, 0 - (int64_t)(int32_t)arg1 *
260 (int64_t)(int32_t)arg2);
263 target_ulong helper_mulshiu(CPUMIPSState *env, target_ulong arg1,
266 return set_HIT0_LO(env, 0 - (uint64_t)(uint32_t)arg1 *
267 (uint64_t)(uint32_t)arg2);
271 void helper_dmult(CPUMIPSState *env, target_ulong arg1, target_ulong arg2)
273 muls64(&(env->active_tc.LO[0]), &(env->active_tc.HI[0]), arg1, arg2);
276 void helper_dmultu(CPUMIPSState *env, target_ulong arg1, target_ulong arg2)
278 mulu64(&(env->active_tc.LO[0]), &(env->active_tc.HI[0]), arg1, arg2);
282 #ifndef CONFIG_USER_ONLY
284 static inline hwaddr do_translate_address(CPUMIPSState *env,
285 target_ulong address,
290 lladdr = cpu_mips_translate_address(env, address, rw);
292 if (lladdr == -1LL) {
299 #define HELPER_LD_ATOMIC(name, insn) \
300 target_ulong helper_##name(CPUMIPSState *env, target_ulong arg, int mem_idx) \
302 env->lladdr = do_translate_address(env, arg, 0); \
303 env->llval = do_##insn(env, arg, mem_idx); \
306 HELPER_LD_ATOMIC(ll, lw)
308 HELPER_LD_ATOMIC(lld, ld)
310 #undef HELPER_LD_ATOMIC
312 #define HELPER_ST_ATOMIC(name, ld_insn, st_insn, almask) \
313 target_ulong helper_##name(CPUMIPSState *env, target_ulong arg1, \
314 target_ulong arg2, int mem_idx) \
318 if (arg2 & almask) { \
319 env->CP0_BadVAddr = arg2; \
320 helper_raise_exception(env, EXCP_AdES); \
322 if (do_translate_address(env, arg2, 1) == env->lladdr) { \
323 tmp = do_##ld_insn(env, arg2, mem_idx); \
324 if (tmp == env->llval) { \
325 do_##st_insn(env, arg2, arg1, mem_idx); \
331 HELPER_ST_ATOMIC(sc, lw, sw, 0x3)
333 HELPER_ST_ATOMIC(scd, ld, sd, 0x7)
335 #undef HELPER_ST_ATOMIC
338 #ifdef TARGET_WORDS_BIGENDIAN
339 #define GET_LMASK(v) ((v) & 3)
340 #define GET_OFFSET(addr, offset) (addr + (offset))
342 #define GET_LMASK(v) (((v) & 3) ^ 3)
343 #define GET_OFFSET(addr, offset) (addr - (offset))
346 void helper_swl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
349 do_sb(env, arg2, (uint8_t)(arg1 >> 24), mem_idx);
351 if (GET_LMASK(arg2) <= 2)
352 do_sb(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 16), mem_idx);
354 if (GET_LMASK(arg2) <= 1)
355 do_sb(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 8), mem_idx);
357 if (GET_LMASK(arg2) == 0)
358 do_sb(env, GET_OFFSET(arg2, 3), (uint8_t)arg1, mem_idx);
361 void helper_swr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
364 do_sb(env, arg2, (uint8_t)arg1, mem_idx);
366 if (GET_LMASK(arg2) >= 1)
367 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);
372 if (GET_LMASK(arg2) == 3)
373 do_sb(env, GET_OFFSET(arg2, -3), (uint8_t)(arg1 >> 24), mem_idx);
376 #if defined(TARGET_MIPS64)
377 /* "half" load and stores. We must do the memory access inline,
378 or fault handling won't work. */
380 #ifdef TARGET_WORDS_BIGENDIAN
381 #define GET_LMASK64(v) ((v) & 7)
383 #define GET_LMASK64(v) (((v) & 7) ^ 7)
386 void helper_sdl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
389 do_sb(env, arg2, (uint8_t)(arg1 >> 56), mem_idx);
391 if (GET_LMASK64(arg2) <= 6)
392 do_sb(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 48), mem_idx);
394 if (GET_LMASK64(arg2) <= 5)
395 do_sb(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 40), mem_idx);
397 if (GET_LMASK64(arg2) <= 4)
398 do_sb(env, GET_OFFSET(arg2, 3), (uint8_t)(arg1 >> 32), mem_idx);
400 if (GET_LMASK64(arg2) <= 3)
401 do_sb(env, GET_OFFSET(arg2, 4), (uint8_t)(arg1 >> 24), mem_idx);
403 if (GET_LMASK64(arg2) <= 2)
404 do_sb(env, GET_OFFSET(arg2, 5), (uint8_t)(arg1 >> 16), mem_idx);
406 if (GET_LMASK64(arg2) <= 1)
407 do_sb(env, GET_OFFSET(arg2, 6), (uint8_t)(arg1 >> 8), mem_idx);
409 if (GET_LMASK64(arg2) <= 0)
410 do_sb(env, GET_OFFSET(arg2, 7), (uint8_t)arg1, mem_idx);
413 void helper_sdr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
416 do_sb(env, arg2, (uint8_t)arg1, mem_idx);
418 if (GET_LMASK64(arg2) >= 1)
419 do_sb(env, GET_OFFSET(arg2, -1), (uint8_t)(arg1 >> 8), mem_idx);
421 if (GET_LMASK64(arg2) >= 2)
422 do_sb(env, GET_OFFSET(arg2, -2), (uint8_t)(arg1 >> 16), mem_idx);
424 if (GET_LMASK64(arg2) >= 3)
425 do_sb(env, GET_OFFSET(arg2, -3), (uint8_t)(arg1 >> 24), mem_idx);
427 if (GET_LMASK64(arg2) >= 4)
428 do_sb(env, GET_OFFSET(arg2, -4), (uint8_t)(arg1 >> 32), mem_idx);
430 if (GET_LMASK64(arg2) >= 5)
431 do_sb(env, GET_OFFSET(arg2, -5), (uint8_t)(arg1 >> 40), mem_idx);
433 if (GET_LMASK64(arg2) >= 6)
434 do_sb(env, GET_OFFSET(arg2, -6), (uint8_t)(arg1 >> 48), mem_idx);
436 if (GET_LMASK64(arg2) == 7)
437 do_sb(env, GET_OFFSET(arg2, -7), (uint8_t)(arg1 >> 56), mem_idx);
439 #endif /* TARGET_MIPS64 */
441 static const int multiple_regs[] = { 16, 17, 18, 19, 20, 21, 22, 23, 30 };
443 void helper_lwm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
446 target_ulong base_reglist = reglist & 0xf;
447 target_ulong do_r31 = reglist & 0x10;
449 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
452 for (i = 0; i < base_reglist; i++) {
453 env->active_tc.gpr[multiple_regs[i]] =
454 (target_long)do_lw(env, addr, mem_idx);
460 env->active_tc.gpr[31] = (target_long)do_lw(env, addr, mem_idx);
464 void helper_swm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
467 target_ulong base_reglist = reglist & 0xf;
468 target_ulong do_r31 = reglist & 0x10;
470 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
473 for (i = 0; i < base_reglist; i++) {
474 do_sw(env, addr, env->active_tc.gpr[multiple_regs[i]], mem_idx);
480 do_sw(env, addr, env->active_tc.gpr[31], mem_idx);
484 #if defined(TARGET_MIPS64)
485 void helper_ldm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
488 target_ulong base_reglist = reglist & 0xf;
489 target_ulong do_r31 = reglist & 0x10;
491 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
494 for (i = 0; i < base_reglist; i++) {
495 env->active_tc.gpr[multiple_regs[i]] = do_ld(env, addr, mem_idx);
501 env->active_tc.gpr[31] = do_ld(env, addr, mem_idx);
505 void helper_sdm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
508 target_ulong base_reglist = reglist & 0xf;
509 target_ulong do_r31 = reglist & 0x10;
511 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
514 for (i = 0; i < base_reglist; i++) {
515 do_sd(env, addr, env->active_tc.gpr[multiple_regs[i]], mem_idx);
521 do_sd(env, addr, env->active_tc.gpr[31], mem_idx);
526 #ifndef CONFIG_USER_ONLY
528 static bool mips_vpe_is_wfi(MIPSCPU *c)
530 CPUMIPSState *env = &c->env;
532 /* If the VPE is halted but otherwise active, it means it's waiting for
534 return env->halted && mips_vpe_active(env);
537 static inline void mips_vpe_wake(CPUMIPSState *c)
539 /* Dont set ->halted = 0 directly, let it be done via cpu_has_work
540 because there might be other conditions that state that c should
542 cpu_interrupt(c, CPU_INTERRUPT_WAKE);
545 static inline void mips_vpe_sleep(MIPSCPU *cpu)
547 CPUMIPSState *c = &cpu->env;
549 /* The VPE was shut off, really go to bed.
550 Reset any old _WAKE requests. */
552 cpu_reset_interrupt(c, CPU_INTERRUPT_WAKE);
555 static inline void mips_tc_wake(MIPSCPU *cpu, int tc)
557 CPUMIPSState *c = &cpu->env;
559 /* FIXME: TC reschedule. */
560 if (mips_vpe_active(c) && !mips_vpe_is_wfi(cpu)) {
565 static inline void mips_tc_sleep(MIPSCPU *cpu, int tc)
567 CPUMIPSState *c = &cpu->env;
569 /* FIXME: TC reschedule. */
570 if (!mips_vpe_active(c)) {
575 /* tc should point to an int with the value of the global TC index.
576 This function will transform it into a local index within the
577 returned CPUMIPSState.
579 FIXME: This code assumes that all VPEs have the same number of TCs,
580 which depends on runtime setup. Can probably be fixed by
581 walking the list of CPUMIPSStates. */
582 static CPUMIPSState *mips_cpu_map_tc(CPUMIPSState *env, int *tc)
589 if (!(env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP))) {
590 /* Not allowed to address other CPUs. */
591 *tc = env->current_tc;
595 cs = CPU(mips_env_get_cpu(env));
596 vpe_idx = tc_idx / cs->nr_threads;
597 *tc = tc_idx % cs->nr_threads;
598 other = qemu_get_cpu(vpe_idx);
599 return other ? other : env;
602 /* The per VPE CP0_Status register shares some fields with the per TC
603 CP0_TCStatus registers. These fields are wired to the same registers,
604 so changes to either of them should be reflected on both registers.
606 Also, EntryHi shares the bottom 8 bit ASID with TCStauts.
608 These helper call synchronizes the regs for a given cpu. */
610 /* Called for updates to CP0_Status. */
611 static void sync_c0_status(CPUMIPSState *env, CPUMIPSState *cpu, int tc)
613 int32_t tcstatus, *tcst;
614 uint32_t v = cpu->CP0_Status;
615 uint32_t cu, mx, asid, ksu;
616 uint32_t mask = ((1 << CP0TCSt_TCU3)
617 | (1 << CP0TCSt_TCU2)
618 | (1 << CP0TCSt_TCU1)
619 | (1 << CP0TCSt_TCU0)
621 | (3 << CP0TCSt_TKSU)
622 | (0xff << CP0TCSt_TASID));
624 cu = (v >> CP0St_CU0) & 0xf;
625 mx = (v >> CP0St_MX) & 0x1;
626 ksu = (v >> CP0St_KSU) & 0x3;
627 asid = env->CP0_EntryHi & 0xff;
629 tcstatus = cu << CP0TCSt_TCU0;
630 tcstatus |= mx << CP0TCSt_TMX;
631 tcstatus |= ksu << CP0TCSt_TKSU;
634 if (tc == cpu->current_tc) {
635 tcst = &cpu->active_tc.CP0_TCStatus;
637 tcst = &cpu->tcs[tc].CP0_TCStatus;
645 /* Called for updates to CP0_TCStatus. */
646 static void sync_c0_tcstatus(CPUMIPSState *cpu, int tc,
650 uint32_t tcu, tmx, tasid, tksu;
651 uint32_t mask = ((1 << CP0St_CU3)
658 tcu = (v >> CP0TCSt_TCU0) & 0xf;
659 tmx = (v >> CP0TCSt_TMX) & 0x1;
661 tksu = (v >> CP0TCSt_TKSU) & 0x3;
663 status = tcu << CP0St_CU0;
664 status |= tmx << CP0St_MX;
665 status |= tksu << CP0St_KSU;
667 cpu->CP0_Status &= ~mask;
668 cpu->CP0_Status |= status;
670 /* Sync the TASID with EntryHi. */
671 cpu->CP0_EntryHi &= ~0xff;
672 cpu->CP0_EntryHi = tasid;
677 /* Called for updates to CP0_EntryHi. */
678 static void sync_c0_entryhi(CPUMIPSState *cpu, int tc)
681 uint32_t asid, v = cpu->CP0_EntryHi;
685 if (tc == cpu->current_tc) {
686 tcst = &cpu->active_tc.CP0_TCStatus;
688 tcst = &cpu->tcs[tc].CP0_TCStatus;
696 target_ulong helper_mfc0_mvpcontrol(CPUMIPSState *env)
698 return env->mvp->CP0_MVPControl;
701 target_ulong helper_mfc0_mvpconf0(CPUMIPSState *env)
703 return env->mvp->CP0_MVPConf0;
706 target_ulong helper_mfc0_mvpconf1(CPUMIPSState *env)
708 return env->mvp->CP0_MVPConf1;
711 target_ulong helper_mfc0_random(CPUMIPSState *env)
713 return (int32_t)cpu_mips_get_random(env);
716 target_ulong helper_mfc0_tcstatus(CPUMIPSState *env)
718 return env->active_tc.CP0_TCStatus;
721 target_ulong helper_mftc0_tcstatus(CPUMIPSState *env)
723 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
724 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
726 if (other_tc == other->current_tc)
727 return other->active_tc.CP0_TCStatus;
729 return other->tcs[other_tc].CP0_TCStatus;
732 target_ulong helper_mfc0_tcbind(CPUMIPSState *env)
734 return env->active_tc.CP0_TCBind;
737 target_ulong helper_mftc0_tcbind(CPUMIPSState *env)
739 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
740 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
742 if (other_tc == other->current_tc)
743 return other->active_tc.CP0_TCBind;
745 return other->tcs[other_tc].CP0_TCBind;
748 target_ulong helper_mfc0_tcrestart(CPUMIPSState *env)
750 return env->active_tc.PC;
753 target_ulong helper_mftc0_tcrestart(CPUMIPSState *env)
755 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
756 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
758 if (other_tc == other->current_tc)
759 return other->active_tc.PC;
761 return other->tcs[other_tc].PC;
764 target_ulong helper_mfc0_tchalt(CPUMIPSState *env)
766 return env->active_tc.CP0_TCHalt;
769 target_ulong helper_mftc0_tchalt(CPUMIPSState *env)
771 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
772 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
774 if (other_tc == other->current_tc)
775 return other->active_tc.CP0_TCHalt;
777 return other->tcs[other_tc].CP0_TCHalt;
780 target_ulong helper_mfc0_tccontext(CPUMIPSState *env)
782 return env->active_tc.CP0_TCContext;
785 target_ulong helper_mftc0_tccontext(CPUMIPSState *env)
787 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
788 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
790 if (other_tc == other->current_tc)
791 return other->active_tc.CP0_TCContext;
793 return other->tcs[other_tc].CP0_TCContext;
796 target_ulong helper_mfc0_tcschedule(CPUMIPSState *env)
798 return env->active_tc.CP0_TCSchedule;
801 target_ulong helper_mftc0_tcschedule(CPUMIPSState *env)
803 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
804 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
806 if (other_tc == other->current_tc)
807 return other->active_tc.CP0_TCSchedule;
809 return other->tcs[other_tc].CP0_TCSchedule;
812 target_ulong helper_mfc0_tcschefback(CPUMIPSState *env)
814 return env->active_tc.CP0_TCScheFBack;
817 target_ulong helper_mftc0_tcschefback(CPUMIPSState *env)
819 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
820 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
822 if (other_tc == other->current_tc)
823 return other->active_tc.CP0_TCScheFBack;
825 return other->tcs[other_tc].CP0_TCScheFBack;
828 target_ulong helper_mfc0_count(CPUMIPSState *env)
830 return (int32_t)cpu_mips_get_count(env);
833 target_ulong helper_mftc0_entryhi(CPUMIPSState *env)
835 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
836 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
838 return other->CP0_EntryHi;
841 target_ulong helper_mftc0_cause(CPUMIPSState *env)
843 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
845 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
847 if (other_tc == other->current_tc) {
848 tccause = other->CP0_Cause;
850 tccause = other->CP0_Cause;
856 target_ulong helper_mftc0_status(CPUMIPSState *env)
858 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
859 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
861 return other->CP0_Status;
864 target_ulong helper_mfc0_lladdr(CPUMIPSState *env)
866 return (int32_t)(env->lladdr >> env->CP0_LLAddr_shift);
869 target_ulong helper_mfc0_watchlo(CPUMIPSState *env, uint32_t sel)
871 return (int32_t)env->CP0_WatchLo[sel];
874 target_ulong helper_mfc0_watchhi(CPUMIPSState *env, uint32_t sel)
876 return env->CP0_WatchHi[sel];
879 target_ulong helper_mfc0_debug(CPUMIPSState *env)
881 target_ulong t0 = env->CP0_Debug;
882 if (env->hflags & MIPS_HFLAG_DM)
888 target_ulong helper_mftc0_debug(CPUMIPSState *env)
890 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
892 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
894 if (other_tc == other->current_tc)
895 tcstatus = other->active_tc.CP0_Debug_tcstatus;
897 tcstatus = other->tcs[other_tc].CP0_Debug_tcstatus;
899 /* XXX: Might be wrong, check with EJTAG spec. */
900 return (other->CP0_Debug & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) |
901 (tcstatus & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt)));
904 #if defined(TARGET_MIPS64)
905 target_ulong helper_dmfc0_tcrestart(CPUMIPSState *env)
907 return env->active_tc.PC;
910 target_ulong helper_dmfc0_tchalt(CPUMIPSState *env)
912 return env->active_tc.CP0_TCHalt;
915 target_ulong helper_dmfc0_tccontext(CPUMIPSState *env)
917 return env->active_tc.CP0_TCContext;
920 target_ulong helper_dmfc0_tcschedule(CPUMIPSState *env)
922 return env->active_tc.CP0_TCSchedule;
925 target_ulong helper_dmfc0_tcschefback(CPUMIPSState *env)
927 return env->active_tc.CP0_TCScheFBack;
930 target_ulong helper_dmfc0_lladdr(CPUMIPSState *env)
932 return env->lladdr >> env->CP0_LLAddr_shift;
935 target_ulong helper_dmfc0_watchlo(CPUMIPSState *env, uint32_t sel)
937 return env->CP0_WatchLo[sel];
939 #endif /* TARGET_MIPS64 */
941 void helper_mtc0_index(CPUMIPSState *env, target_ulong arg1)
944 unsigned int tmp = env->tlb->nb_tlb;
950 env->CP0_Index = (env->CP0_Index & 0x80000000) | (arg1 & (num - 1));
953 void helper_mtc0_mvpcontrol(CPUMIPSState *env, target_ulong arg1)
958 if (env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP))
959 mask |= (1 << CP0MVPCo_CPA) | (1 << CP0MVPCo_VPC) |
961 if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
962 mask |= (1 << CP0MVPCo_STLB);
963 newval = (env->mvp->CP0_MVPControl & ~mask) | (arg1 & mask);
965 // TODO: Enable/disable shared TLB, enable/disable VPEs.
967 env->mvp->CP0_MVPControl = newval;
970 void helper_mtc0_vpecontrol(CPUMIPSState *env, target_ulong arg1)
975 mask = (1 << CP0VPECo_YSI) | (1 << CP0VPECo_GSI) |
976 (1 << CP0VPECo_TE) | (0xff << CP0VPECo_TargTC);
977 newval = (env->CP0_VPEControl & ~mask) | (arg1 & mask);
979 /* Yield scheduler intercept not implemented. */
980 /* Gating storage scheduler intercept not implemented. */
982 // TODO: Enable/disable TCs.
984 env->CP0_VPEControl = newval;
987 void helper_mttc0_vpecontrol(CPUMIPSState *env, target_ulong arg1)
989 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
990 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
994 mask = (1 << CP0VPECo_YSI) | (1 << CP0VPECo_GSI) |
995 (1 << CP0VPECo_TE) | (0xff << CP0VPECo_TargTC);
996 newval = (other->CP0_VPEControl & ~mask) | (arg1 & mask);
998 /* TODO: Enable/disable TCs. */
1000 other->CP0_VPEControl = newval;
1003 target_ulong helper_mftc0_vpecontrol(CPUMIPSState *env)
1005 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1006 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1007 /* FIXME: Mask away return zero on read bits. */
1008 return other->CP0_VPEControl;
1011 target_ulong helper_mftc0_vpeconf0(CPUMIPSState *env)
1013 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1014 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1016 return other->CP0_VPEConf0;
1019 void helper_mtc0_vpeconf0(CPUMIPSState *env, target_ulong arg1)
1024 if (env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) {
1025 if (env->CP0_VPEConf0 & (1 << CP0VPEC0_VPA))
1026 mask |= (0xff << CP0VPEC0_XTC);
1027 mask |= (1 << CP0VPEC0_MVP) | (1 << CP0VPEC0_VPA);
1029 newval = (env->CP0_VPEConf0 & ~mask) | (arg1 & mask);
1031 // TODO: TC exclusive handling due to ERL/EXL.
1033 env->CP0_VPEConf0 = newval;
1036 void helper_mttc0_vpeconf0(CPUMIPSState *env, target_ulong arg1)
1038 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1039 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1043 mask |= (1 << CP0VPEC0_MVP) | (1 << CP0VPEC0_VPA);
1044 newval = (other->CP0_VPEConf0 & ~mask) | (arg1 & mask);
1046 /* TODO: TC exclusive handling due to ERL/EXL. */
1047 other->CP0_VPEConf0 = newval;
1050 void helper_mtc0_vpeconf1(CPUMIPSState *env, target_ulong arg1)
1055 if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1056 mask |= (0xff << CP0VPEC1_NCX) | (0xff << CP0VPEC1_NCP2) |
1057 (0xff << CP0VPEC1_NCP1);
1058 newval = (env->CP0_VPEConf1 & ~mask) | (arg1 & mask);
1060 /* UDI not implemented. */
1061 /* CP2 not implemented. */
1063 // TODO: Handle FPU (CP1) binding.
1065 env->CP0_VPEConf1 = newval;
1068 void helper_mtc0_yqmask(CPUMIPSState *env, target_ulong arg1)
1070 /* Yield qualifier inputs not implemented. */
1071 env->CP0_YQMask = 0x00000000;
1074 void helper_mtc0_vpeopt(CPUMIPSState *env, target_ulong arg1)
1076 env->CP0_VPEOpt = arg1 & 0x0000ffff;
1079 void helper_mtc0_entrylo0(CPUMIPSState *env, target_ulong arg1)
1081 /* Large physaddr (PABITS) not implemented */
1082 /* 1k pages not implemented */
1083 env->CP0_EntryLo0 = arg1 & 0x3FFFFFFF;
1086 void helper_mtc0_tcstatus(CPUMIPSState *env, target_ulong arg1)
1088 uint32_t mask = env->CP0_TCStatus_rw_bitmask;
1091 newval = (env->active_tc.CP0_TCStatus & ~mask) | (arg1 & mask);
1093 env->active_tc.CP0_TCStatus = newval;
1094 sync_c0_tcstatus(env, env->current_tc, newval);
1097 void helper_mttc0_tcstatus(CPUMIPSState *env, target_ulong arg1)
1099 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1100 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1102 if (other_tc == other->current_tc)
1103 other->active_tc.CP0_TCStatus = arg1;
1105 other->tcs[other_tc].CP0_TCStatus = arg1;
1106 sync_c0_tcstatus(other, other_tc, arg1);
1109 void helper_mtc0_tcbind(CPUMIPSState *env, target_ulong arg1)
1111 uint32_t mask = (1 << CP0TCBd_TBE);
1114 if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1115 mask |= (1 << CP0TCBd_CurVPE);
1116 newval = (env->active_tc.CP0_TCBind & ~mask) | (arg1 & mask);
1117 env->active_tc.CP0_TCBind = newval;
1120 void helper_mttc0_tcbind(CPUMIPSState *env, target_ulong arg1)
1122 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1123 uint32_t mask = (1 << CP0TCBd_TBE);
1125 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1127 if (other->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1128 mask |= (1 << CP0TCBd_CurVPE);
1129 if (other_tc == other->current_tc) {
1130 newval = (other->active_tc.CP0_TCBind & ~mask) | (arg1 & mask);
1131 other->active_tc.CP0_TCBind = newval;
1133 newval = (other->tcs[other_tc].CP0_TCBind & ~mask) | (arg1 & mask);
1134 other->tcs[other_tc].CP0_TCBind = newval;
1138 void helper_mtc0_tcrestart(CPUMIPSState *env, target_ulong arg1)
1140 env->active_tc.PC = arg1;
1141 env->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
1143 /* MIPS16 not implemented. */
1146 void helper_mttc0_tcrestart(CPUMIPSState *env, target_ulong arg1)
1148 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1149 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1151 if (other_tc == other->current_tc) {
1152 other->active_tc.PC = arg1;
1153 other->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
1154 other->lladdr = 0ULL;
1155 /* MIPS16 not implemented. */
1157 other->tcs[other_tc].PC = arg1;
1158 other->tcs[other_tc].CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
1159 other->lladdr = 0ULL;
1160 /* MIPS16 not implemented. */
1164 void helper_mtc0_tchalt(CPUMIPSState *env, target_ulong arg1)
1166 MIPSCPU *cpu = mips_env_get_cpu(env);
1168 env->active_tc.CP0_TCHalt = arg1 & 0x1;
1170 // TODO: Halt TC / Restart (if allocated+active) TC.
1171 if (env->active_tc.CP0_TCHalt & 1) {
1172 mips_tc_sleep(cpu, env->current_tc);
1174 mips_tc_wake(cpu, env->current_tc);
1178 void helper_mttc0_tchalt(CPUMIPSState *env, target_ulong arg1)
1180 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1181 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1182 MIPSCPU *other_cpu = mips_env_get_cpu(other);
1184 // TODO: Halt TC / Restart (if allocated+active) TC.
1186 if (other_tc == other->current_tc)
1187 other->active_tc.CP0_TCHalt = arg1;
1189 other->tcs[other_tc].CP0_TCHalt = arg1;
1192 mips_tc_sleep(other_cpu, other_tc);
1194 mips_tc_wake(other_cpu, other_tc);
1198 void helper_mtc0_tccontext(CPUMIPSState *env, target_ulong arg1)
1200 env->active_tc.CP0_TCContext = arg1;
1203 void helper_mttc0_tccontext(CPUMIPSState *env, target_ulong arg1)
1205 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1206 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1208 if (other_tc == other->current_tc)
1209 other->active_tc.CP0_TCContext = arg1;
1211 other->tcs[other_tc].CP0_TCContext = arg1;
1214 void helper_mtc0_tcschedule(CPUMIPSState *env, target_ulong arg1)
1216 env->active_tc.CP0_TCSchedule = arg1;
1219 void helper_mttc0_tcschedule(CPUMIPSState *env, target_ulong arg1)
1221 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1222 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1224 if (other_tc == other->current_tc)
1225 other->active_tc.CP0_TCSchedule = arg1;
1227 other->tcs[other_tc].CP0_TCSchedule = arg1;
1230 void helper_mtc0_tcschefback(CPUMIPSState *env, target_ulong arg1)
1232 env->active_tc.CP0_TCScheFBack = arg1;
1235 void helper_mttc0_tcschefback(CPUMIPSState *env, target_ulong arg1)
1237 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1238 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1240 if (other_tc == other->current_tc)
1241 other->active_tc.CP0_TCScheFBack = arg1;
1243 other->tcs[other_tc].CP0_TCScheFBack = arg1;
1246 void helper_mtc0_entrylo1(CPUMIPSState *env, target_ulong arg1)
1248 /* Large physaddr (PABITS) not implemented */
1249 /* 1k pages not implemented */
1250 env->CP0_EntryLo1 = arg1 & 0x3FFFFFFF;
1253 void helper_mtc0_context(CPUMIPSState *env, target_ulong arg1)
1255 env->CP0_Context = (env->CP0_Context & 0x007FFFFF) | (arg1 & ~0x007FFFFF);
1258 void helper_mtc0_pagemask(CPUMIPSState *env, target_ulong arg1)
1260 /* 1k pages not implemented */
1261 env->CP0_PageMask = arg1 & (0x1FFFFFFF & (TARGET_PAGE_MASK << 1));
1264 void helper_mtc0_pagegrain(CPUMIPSState *env, target_ulong arg1)
1266 /* SmartMIPS not implemented */
1267 /* Large physaddr (PABITS) not implemented */
1268 /* 1k pages not implemented */
1269 env->CP0_PageGrain = 0;
1272 void helper_mtc0_wired(CPUMIPSState *env, target_ulong arg1)
1274 env->CP0_Wired = arg1 % env->tlb->nb_tlb;
1277 void helper_mtc0_srsconf0(CPUMIPSState *env, target_ulong arg1)
1279 env->CP0_SRSConf0 |= arg1 & env->CP0_SRSConf0_rw_bitmask;
1282 void helper_mtc0_srsconf1(CPUMIPSState *env, target_ulong arg1)
1284 env->CP0_SRSConf1 |= arg1 & env->CP0_SRSConf1_rw_bitmask;
1287 void helper_mtc0_srsconf2(CPUMIPSState *env, target_ulong arg1)
1289 env->CP0_SRSConf2 |= arg1 & env->CP0_SRSConf2_rw_bitmask;
1292 void helper_mtc0_srsconf3(CPUMIPSState *env, target_ulong arg1)
1294 env->CP0_SRSConf3 |= arg1 & env->CP0_SRSConf3_rw_bitmask;
1297 void helper_mtc0_srsconf4(CPUMIPSState *env, target_ulong arg1)
1299 env->CP0_SRSConf4 |= arg1 & env->CP0_SRSConf4_rw_bitmask;
1302 void helper_mtc0_hwrena(CPUMIPSState *env, target_ulong arg1)
1304 env->CP0_HWREna = arg1 & 0x0000000F;
1307 void helper_mtc0_count(CPUMIPSState *env, target_ulong arg1)
1309 cpu_mips_store_count(env, arg1);
1312 void helper_mtc0_entryhi(CPUMIPSState *env, target_ulong arg1)
1314 target_ulong old, val;
1316 /* 1k pages not implemented */
1317 val = arg1 & ((TARGET_PAGE_MASK << 1) | 0xFF);
1318 #if defined(TARGET_MIPS64)
1319 val &= env->SEGMask;
1321 old = env->CP0_EntryHi;
1322 env->CP0_EntryHi = val;
1323 if (env->CP0_Config3 & (1 << CP0C3_MT)) {
1324 sync_c0_entryhi(env, env->current_tc);
1326 /* If the ASID changes, flush qemu's TLB. */
1327 if ((old & 0xFF) != (val & 0xFF))
1328 cpu_mips_tlb_flush(env, 1);
1331 void helper_mttc0_entryhi(CPUMIPSState *env, target_ulong arg1)
1333 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1334 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1336 other->CP0_EntryHi = arg1;
1337 sync_c0_entryhi(other, other_tc);
1340 void helper_mtc0_compare(CPUMIPSState *env, target_ulong arg1)
1342 cpu_mips_store_compare(env, arg1);
1345 void helper_mtc0_status(CPUMIPSState *env, target_ulong arg1)
1348 uint32_t mask = env->CP0_Status_rw_bitmask;
1351 old = env->CP0_Status;
1352 env->CP0_Status = (env->CP0_Status & ~mask) | val;
1353 if (env->CP0_Config3 & (1 << CP0C3_MT)) {
1354 sync_c0_status(env, env, env->current_tc);
1356 compute_hflags(env);
1359 if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
1360 qemu_log("Status %08x (%08x) => %08x (%08x) Cause %08x",
1361 old, old & env->CP0_Cause & CP0Ca_IP_mask,
1362 val, val & env->CP0_Cause & CP0Ca_IP_mask,
1364 switch (env->hflags & MIPS_HFLAG_KSU) {
1365 case MIPS_HFLAG_UM: qemu_log(", UM\n"); break;
1366 case MIPS_HFLAG_SM: qemu_log(", SM\n"); break;
1367 case MIPS_HFLAG_KM: qemu_log("\n"); break;
1368 default: cpu_abort(env, "Invalid MMU mode!\n"); break;
1373 void helper_mttc0_status(CPUMIPSState *env, target_ulong arg1)
1375 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1376 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1378 other->CP0_Status = arg1 & ~0xf1000018;
1379 sync_c0_status(env, other, other_tc);
1382 void helper_mtc0_intctl(CPUMIPSState *env, target_ulong arg1)
1384 /* vectored interrupts not implemented, no performance counters. */
1385 env->CP0_IntCtl = (env->CP0_IntCtl & ~0x000003e0) | (arg1 & 0x000003e0);
1388 void helper_mtc0_srsctl(CPUMIPSState *env, target_ulong arg1)
1390 uint32_t mask = (0xf << CP0SRSCtl_ESS) | (0xf << CP0SRSCtl_PSS);
1391 env->CP0_SRSCtl = (env->CP0_SRSCtl & ~mask) | (arg1 & mask);
1394 static void mtc0_cause(CPUMIPSState *cpu, target_ulong arg1)
1396 uint32_t mask = 0x00C00300;
1397 uint32_t old = cpu->CP0_Cause;
1400 if (cpu->insn_flags & ISA_MIPS32R2) {
1401 mask |= 1 << CP0Ca_DC;
1404 cpu->CP0_Cause = (cpu->CP0_Cause & ~mask) | (arg1 & mask);
1406 if ((old ^ cpu->CP0_Cause) & (1 << CP0Ca_DC)) {
1407 if (cpu->CP0_Cause & (1 << CP0Ca_DC)) {
1408 cpu_mips_stop_count(cpu);
1410 cpu_mips_start_count(cpu);
1414 /* Set/reset software interrupts */
1415 for (i = 0 ; i < 2 ; i++) {
1416 if ((old ^ cpu->CP0_Cause) & (1 << (CP0Ca_IP + i))) {
1417 cpu_mips_soft_irq(cpu, i, cpu->CP0_Cause & (1 << (CP0Ca_IP + i)));
1422 void helper_mtc0_cause(CPUMIPSState *env, target_ulong arg1)
1424 mtc0_cause(env, arg1);
1427 void helper_mttc0_cause(CPUMIPSState *env, target_ulong arg1)
1429 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1430 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1432 mtc0_cause(other, arg1);
1435 target_ulong helper_mftc0_epc(CPUMIPSState *env)
1437 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1438 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1440 return other->CP0_EPC;
1443 target_ulong helper_mftc0_ebase(CPUMIPSState *env)
1445 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1446 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1448 return other->CP0_EBase;
1451 void helper_mtc0_ebase(CPUMIPSState *env, target_ulong arg1)
1453 /* vectored interrupts not implemented */
1454 env->CP0_EBase = (env->CP0_EBase & ~0x3FFFF000) | (arg1 & 0x3FFFF000);
1457 void helper_mttc0_ebase(CPUMIPSState *env, target_ulong arg1)
1459 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1460 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1461 other->CP0_EBase = (other->CP0_EBase & ~0x3FFFF000) | (arg1 & 0x3FFFF000);
1464 target_ulong helper_mftc0_configx(CPUMIPSState *env, target_ulong idx)
1466 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1467 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1470 case 0: return other->CP0_Config0;
1471 case 1: return other->CP0_Config1;
1472 case 2: return other->CP0_Config2;
1473 case 3: return other->CP0_Config3;
1474 /* 4 and 5 are reserved. */
1475 case 6: return other->CP0_Config6;
1476 case 7: return other->CP0_Config7;
1483 void helper_mtc0_config0(CPUMIPSState *env, target_ulong arg1)
1485 env->CP0_Config0 = (env->CP0_Config0 & 0x81FFFFF8) | (arg1 & 0x00000007);
1488 void helper_mtc0_config2(CPUMIPSState *env, target_ulong arg1)
1490 /* tertiary/secondary caches not implemented */
1491 env->CP0_Config2 = (env->CP0_Config2 & 0x8FFF0FFF);
1494 void helper_mtc0_lladdr(CPUMIPSState *env, target_ulong arg1)
1496 target_long mask = env->CP0_LLAddr_rw_bitmask;
1497 arg1 = arg1 << env->CP0_LLAddr_shift;
1498 env->lladdr = (env->lladdr & ~mask) | (arg1 & mask);
1501 void helper_mtc0_watchlo(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1503 /* Watch exceptions for instructions, data loads, data stores
1505 env->CP0_WatchLo[sel] = (arg1 & ~0x7);
1508 void helper_mtc0_watchhi(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1510 env->CP0_WatchHi[sel] = (arg1 & 0x40FF0FF8);
1511 env->CP0_WatchHi[sel] &= ~(env->CP0_WatchHi[sel] & arg1 & 0x7);
1514 void helper_mtc0_xcontext(CPUMIPSState *env, target_ulong arg1)
1516 target_ulong mask = (1ULL << (env->SEGBITS - 7)) - 1;
1517 env->CP0_XContext = (env->CP0_XContext & mask) | (arg1 & ~mask);
1520 void helper_mtc0_framemask(CPUMIPSState *env, target_ulong arg1)
1522 env->CP0_Framemask = arg1; /* XXX */
1525 void helper_mtc0_debug(CPUMIPSState *env, target_ulong arg1)
1527 env->CP0_Debug = (env->CP0_Debug & 0x8C03FC1F) | (arg1 & 0x13300120);
1528 if (arg1 & (1 << CP0DB_DM))
1529 env->hflags |= MIPS_HFLAG_DM;
1531 env->hflags &= ~MIPS_HFLAG_DM;
1534 void helper_mttc0_debug(CPUMIPSState *env, target_ulong arg1)
1536 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1537 uint32_t val = arg1 & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt));
1538 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1540 /* XXX: Might be wrong, check with EJTAG spec. */
1541 if (other_tc == other->current_tc)
1542 other->active_tc.CP0_Debug_tcstatus = val;
1544 other->tcs[other_tc].CP0_Debug_tcstatus = val;
1545 other->CP0_Debug = (other->CP0_Debug &
1546 ((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) |
1547 (arg1 & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt)));
1550 void helper_mtc0_performance0(CPUMIPSState *env, target_ulong arg1)
1552 env->CP0_Performance0 = arg1 & 0x000007ff;
1555 void helper_mtc0_taglo(CPUMIPSState *env, target_ulong arg1)
1557 env->CP0_TagLo = arg1 & 0xFFFFFCF6;
1560 void helper_mtc0_datalo(CPUMIPSState *env, target_ulong arg1)
1562 env->CP0_DataLo = arg1; /* XXX */
1565 void helper_mtc0_taghi(CPUMIPSState *env, target_ulong arg1)
1567 env->CP0_TagHi = arg1; /* XXX */
1570 void helper_mtc0_datahi(CPUMIPSState *env, target_ulong arg1)
1572 env->CP0_DataHi = arg1; /* XXX */
1575 /* MIPS MT functions */
1576 target_ulong helper_mftgpr(CPUMIPSState *env, uint32_t sel)
1578 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1579 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1581 if (other_tc == other->current_tc)
1582 return other->active_tc.gpr[sel];
1584 return other->tcs[other_tc].gpr[sel];
1587 target_ulong helper_mftlo(CPUMIPSState *env, uint32_t sel)
1589 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1590 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1592 if (other_tc == other->current_tc)
1593 return other->active_tc.LO[sel];
1595 return other->tcs[other_tc].LO[sel];
1598 target_ulong helper_mfthi(CPUMIPSState *env, uint32_t sel)
1600 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1601 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1603 if (other_tc == other->current_tc)
1604 return other->active_tc.HI[sel];
1606 return other->tcs[other_tc].HI[sel];
1609 target_ulong helper_mftacx(CPUMIPSState *env, uint32_t sel)
1611 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1612 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1614 if (other_tc == other->current_tc)
1615 return other->active_tc.ACX[sel];
1617 return other->tcs[other_tc].ACX[sel];
1620 target_ulong helper_mftdsp(CPUMIPSState *env)
1622 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1623 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1625 if (other_tc == other->current_tc)
1626 return other->active_tc.DSPControl;
1628 return other->tcs[other_tc].DSPControl;
1631 void helper_mttgpr(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1633 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1634 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1636 if (other_tc == other->current_tc)
1637 other->active_tc.gpr[sel] = arg1;
1639 other->tcs[other_tc].gpr[sel] = arg1;
1642 void helper_mttlo(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1644 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1645 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1647 if (other_tc == other->current_tc)
1648 other->active_tc.LO[sel] = arg1;
1650 other->tcs[other_tc].LO[sel] = arg1;
1653 void helper_mtthi(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1655 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1656 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1658 if (other_tc == other->current_tc)
1659 other->active_tc.HI[sel] = arg1;
1661 other->tcs[other_tc].HI[sel] = arg1;
1664 void helper_mttacx(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1666 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1667 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1669 if (other_tc == other->current_tc)
1670 other->active_tc.ACX[sel] = arg1;
1672 other->tcs[other_tc].ACX[sel] = arg1;
1675 void helper_mttdsp(CPUMIPSState *env, target_ulong arg1)
1677 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1678 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1680 if (other_tc == other->current_tc)
1681 other->active_tc.DSPControl = arg1;
1683 other->tcs[other_tc].DSPControl = arg1;
1686 /* MIPS MT functions */
1687 target_ulong helper_dmt(void)
1693 target_ulong helper_emt(void)
1699 target_ulong helper_dvpe(CPUMIPSState *env)
1701 CPUMIPSState *other_cpu_env = first_cpu;
1702 target_ulong prev = env->mvp->CP0_MVPControl;
1705 /* Turn off all VPEs except the one executing the dvpe. */
1706 if (other_cpu_env != env) {
1707 MIPSCPU *other_cpu = mips_env_get_cpu(other_cpu_env);
1709 other_cpu_env->mvp->CP0_MVPControl &= ~(1 << CP0MVPCo_EVP);
1710 mips_vpe_sleep(other_cpu);
1712 other_cpu_env = other_cpu_env->next_cpu;
1713 } while (other_cpu_env);
1717 target_ulong helper_evpe(CPUMIPSState *env)
1719 CPUMIPSState *other_cpu_env = first_cpu;
1720 target_ulong prev = env->mvp->CP0_MVPControl;
1723 MIPSCPU *other_cpu = mips_env_get_cpu(other_cpu_env);
1725 if (other_cpu_env != env
1726 /* If the VPE is WFI, don't disturb its sleep. */
1727 && !mips_vpe_is_wfi(other_cpu)) {
1728 /* Enable the VPE. */
1729 other_cpu_env->mvp->CP0_MVPControl |= (1 << CP0MVPCo_EVP);
1730 mips_vpe_wake(other_cpu_env); /* And wake it up. */
1732 other_cpu_env = other_cpu_env->next_cpu;
1733 } while (other_cpu_env);
1736 #endif /* !CONFIG_USER_ONLY */
1738 void helper_fork(target_ulong arg1, target_ulong arg2)
1740 // arg1 = rt, arg2 = rs
1742 // TODO: store to TC register
1745 target_ulong helper_yield(CPUMIPSState *env, target_ulong arg)
1747 target_long arg1 = arg;
1750 /* No scheduling policy implemented. */
1752 if (env->CP0_VPEControl & (1 << CP0VPECo_YSI) &&
1753 env->active_tc.CP0_TCStatus & (1 << CP0TCSt_DT)) {
1754 env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
1755 env->CP0_VPEControl |= 4 << CP0VPECo_EXCPT;
1756 helper_raise_exception(env, EXCP_THREAD);
1759 } else if (arg1 == 0) {
1760 if (0 /* TODO: TC underflow */) {
1761 env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
1762 helper_raise_exception(env, EXCP_THREAD);
1764 // TODO: Deallocate TC
1766 } else if (arg1 > 0) {
1767 /* Yield qualifier inputs not implemented. */
1768 env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
1769 env->CP0_VPEControl |= 2 << CP0VPECo_EXCPT;
1770 helper_raise_exception(env, EXCP_THREAD);
1772 return env->CP0_YQMask;
1775 #ifndef CONFIG_USER_ONLY
1776 /* TLB management */
1777 static void cpu_mips_tlb_flush (CPUMIPSState *env, int flush_global)
1779 /* Flush qemu's TLB and discard all shadowed entries. */
1780 tlb_flush (env, flush_global);
1781 env->tlb->tlb_in_use = env->tlb->nb_tlb;
1784 static void r4k_mips_tlb_flush_extra (CPUMIPSState *env, int first)
1786 /* Discard entries from env->tlb[first] onwards. */
1787 while (env->tlb->tlb_in_use > first) {
1788 r4k_invalidate_tlb(env, --env->tlb->tlb_in_use, 0);
1792 static void r4k_fill_tlb(CPUMIPSState *env, int idx)
1796 /* XXX: detect conflicting TLBs and raise a MCHECK exception when needed */
1797 tlb = &env->tlb->mmu.r4k.tlb[idx];
1798 tlb->VPN = env->CP0_EntryHi & (TARGET_PAGE_MASK << 1);
1799 #if defined(TARGET_MIPS64)
1800 tlb->VPN &= env->SEGMask;
1802 tlb->ASID = env->CP0_EntryHi & 0xFF;
1803 tlb->PageMask = env->CP0_PageMask;
1804 tlb->G = env->CP0_EntryLo0 & env->CP0_EntryLo1 & 1;
1805 tlb->V0 = (env->CP0_EntryLo0 & 2) != 0;
1806 tlb->D0 = (env->CP0_EntryLo0 & 4) != 0;
1807 tlb->C0 = (env->CP0_EntryLo0 >> 3) & 0x7;
1808 tlb->PFN[0] = (env->CP0_EntryLo0 >> 6) << 12;
1809 tlb->V1 = (env->CP0_EntryLo1 & 2) != 0;
1810 tlb->D1 = (env->CP0_EntryLo1 & 4) != 0;
1811 tlb->C1 = (env->CP0_EntryLo1 >> 3) & 0x7;
1812 tlb->PFN[1] = (env->CP0_EntryLo1 >> 6) << 12;
1815 void r4k_helper_tlbwi(CPUMIPSState *env)
1821 bool G, V0, D0, V1, D1;
1823 idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb;
1824 tlb = &env->tlb->mmu.r4k.tlb[idx];
1825 VPN = env->CP0_EntryHi & (TARGET_PAGE_MASK << 1);
1826 #if defined(TARGET_MIPS64)
1827 VPN &= env->SEGMask;
1829 ASID = env->CP0_EntryHi & 0xff;
1830 G = env->CP0_EntryLo0 & env->CP0_EntryLo1 & 1;
1831 V0 = (env->CP0_EntryLo0 & 2) != 0;
1832 D0 = (env->CP0_EntryLo0 & 4) != 0;
1833 V1 = (env->CP0_EntryLo1 & 2) != 0;
1834 D1 = (env->CP0_EntryLo1 & 4) != 0;
1836 /* Discard cached TLB entries, unless tlbwi is just upgrading access
1837 permissions on the current entry. */
1838 if (tlb->VPN != VPN || tlb->ASID != ASID || tlb->G != G ||
1839 (tlb->V0 && !V0) || (tlb->D0 && !D0) ||
1840 (tlb->V1 && !V1) || (tlb->D1 && !D1)) {
1841 r4k_mips_tlb_flush_extra(env, env->tlb->nb_tlb);
1844 r4k_invalidate_tlb(env, idx, 0);
1845 r4k_fill_tlb(env, idx);
1848 void r4k_helper_tlbwr(CPUMIPSState *env)
1850 int r = cpu_mips_get_random(env);
1852 r4k_invalidate_tlb(env, r, 1);
1853 r4k_fill_tlb(env, r);
1856 void r4k_helper_tlbp(CPUMIPSState *env)
1865 ASID = env->CP0_EntryHi & 0xFF;
1866 for (i = 0; i < env->tlb->nb_tlb; i++) {
1867 tlb = &env->tlb->mmu.r4k.tlb[i];
1868 /* 1k pages are not supported. */
1869 mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
1870 tag = env->CP0_EntryHi & ~mask;
1871 VPN = tlb->VPN & ~mask;
1872 #if defined(TARGET_MIPS64)
1873 tag &= env->SEGMask;
1875 /* Check ASID, virtual page number & size */
1876 if ((tlb->G == 1 || tlb->ASID == ASID) && VPN == tag) {
1882 if (i == env->tlb->nb_tlb) {
1883 /* No match. Discard any shadow entries, if any of them match. */
1884 for (i = env->tlb->nb_tlb; i < env->tlb->tlb_in_use; i++) {
1885 tlb = &env->tlb->mmu.r4k.tlb[i];
1886 /* 1k pages are not supported. */
1887 mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
1888 tag = env->CP0_EntryHi & ~mask;
1889 VPN = tlb->VPN & ~mask;
1890 #if defined(TARGET_MIPS64)
1891 tag &= env->SEGMask;
1893 /* Check ASID, virtual page number & size */
1894 if ((tlb->G == 1 || tlb->ASID == ASID) && VPN == tag) {
1895 r4k_mips_tlb_flush_extra (env, i);
1900 env->CP0_Index |= 0x80000000;
1904 void r4k_helper_tlbr(CPUMIPSState *env)
1910 ASID = env->CP0_EntryHi & 0xFF;
1911 idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb;
1912 tlb = &env->tlb->mmu.r4k.tlb[idx];
1914 /* If this will change the current ASID, flush qemu's TLB. */
1915 if (ASID != tlb->ASID)
1916 cpu_mips_tlb_flush (env, 1);
1918 r4k_mips_tlb_flush_extra(env, env->tlb->nb_tlb);
1920 env->CP0_EntryHi = tlb->VPN | tlb->ASID;
1921 env->CP0_PageMask = tlb->PageMask;
1922 env->CP0_EntryLo0 = tlb->G | (tlb->V0 << 1) | (tlb->D0 << 2) |
1923 (tlb->C0 << 3) | (tlb->PFN[0] >> 6);
1924 env->CP0_EntryLo1 = tlb->G | (tlb->V1 << 1) | (tlb->D1 << 2) |
1925 (tlb->C1 << 3) | (tlb->PFN[1] >> 6);
1928 void helper_tlbwi(CPUMIPSState *env)
1930 env->tlb->helper_tlbwi(env);
1933 void helper_tlbwr(CPUMIPSState *env)
1935 env->tlb->helper_tlbwr(env);
1938 void helper_tlbp(CPUMIPSState *env)
1940 env->tlb->helper_tlbp(env);
1943 void helper_tlbr(CPUMIPSState *env)
1945 env->tlb->helper_tlbr(env);
1949 target_ulong helper_di(CPUMIPSState *env)
1951 target_ulong t0 = env->CP0_Status;
1953 env->CP0_Status = t0 & ~(1 << CP0St_IE);
1957 target_ulong helper_ei(CPUMIPSState *env)
1959 target_ulong t0 = env->CP0_Status;
1961 env->CP0_Status = t0 | (1 << CP0St_IE);
1965 static void debug_pre_eret(CPUMIPSState *env)
1967 if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
1968 qemu_log("ERET: PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx,
1969 env->active_tc.PC, env->CP0_EPC);
1970 if (env->CP0_Status & (1 << CP0St_ERL))
1971 qemu_log(" ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
1972 if (env->hflags & MIPS_HFLAG_DM)
1973 qemu_log(" DEPC " TARGET_FMT_lx, env->CP0_DEPC);
1978 static void debug_post_eret(CPUMIPSState *env)
1980 if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
1981 qemu_log(" => PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx,
1982 env->active_tc.PC, env->CP0_EPC);
1983 if (env->CP0_Status & (1 << CP0St_ERL))
1984 qemu_log(" ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
1985 if (env->hflags & MIPS_HFLAG_DM)
1986 qemu_log(" DEPC " TARGET_FMT_lx, env->CP0_DEPC);
1987 switch (env->hflags & MIPS_HFLAG_KSU) {
1988 case MIPS_HFLAG_UM: qemu_log(", UM\n"); break;
1989 case MIPS_HFLAG_SM: qemu_log(", SM\n"); break;
1990 case MIPS_HFLAG_KM: qemu_log("\n"); break;
1991 default: cpu_abort(env, "Invalid MMU mode!\n"); break;
1996 static void set_pc(CPUMIPSState *env, target_ulong error_pc)
1998 env->active_tc.PC = error_pc & ~(target_ulong)1;
2000 env->hflags |= MIPS_HFLAG_M16;
2002 env->hflags &= ~(MIPS_HFLAG_M16);
2006 void helper_eret(CPUMIPSState *env)
2008 debug_pre_eret(env);
2009 if (env->CP0_Status & (1 << CP0St_ERL)) {
2010 set_pc(env, env->CP0_ErrorEPC);
2011 env->CP0_Status &= ~(1 << CP0St_ERL);
2013 set_pc(env, env->CP0_EPC);
2014 env->CP0_Status &= ~(1 << CP0St_EXL);
2016 compute_hflags(env);
2017 debug_post_eret(env);
2021 void helper_deret(CPUMIPSState *env)
2023 debug_pre_eret(env);
2024 set_pc(env, env->CP0_DEPC);
2026 env->hflags &= MIPS_HFLAG_DM;
2027 compute_hflags(env);
2028 debug_post_eret(env);
2031 #endif /* !CONFIG_USER_ONLY */
2033 target_ulong helper_rdhwr_cpunum(CPUMIPSState *env)
2035 if ((env->hflags & MIPS_HFLAG_CP0) ||
2036 (env->CP0_HWREna & (1 << 0)))
2037 return env->CP0_EBase & 0x3ff;
2039 helper_raise_exception(env, EXCP_RI);
2044 target_ulong helper_rdhwr_synci_step(CPUMIPSState *env)
2046 if ((env->hflags & MIPS_HFLAG_CP0) ||
2047 (env->CP0_HWREna & (1 << 1)))
2048 return env->SYNCI_Step;
2050 helper_raise_exception(env, EXCP_RI);
2055 target_ulong helper_rdhwr_cc(CPUMIPSState *env)
2057 if ((env->hflags & MIPS_HFLAG_CP0) ||
2058 (env->CP0_HWREna & (1 << 2)))
2059 return env->CP0_Count;
2061 helper_raise_exception(env, EXCP_RI);
2066 target_ulong helper_rdhwr_ccres(CPUMIPSState *env)
2068 if ((env->hflags & MIPS_HFLAG_CP0) ||
2069 (env->CP0_HWREna & (1 << 3)))
2072 helper_raise_exception(env, EXCP_RI);
2077 void helper_pmon(CPUMIPSState *env, int function)
2081 case 2: /* TODO: char inbyte(int waitflag); */
2082 if (env->active_tc.gpr[4] == 0)
2083 env->active_tc.gpr[2] = -1;
2085 case 11: /* TODO: char inbyte (void); */
2086 env->active_tc.gpr[2] = -1;
2090 printf("%c", (char)(env->active_tc.gpr[4] & 0xFF));
2096 unsigned char *fmt = (void *)(uintptr_t)env->active_tc.gpr[4];
2103 void helper_wait(CPUMIPSState *env)
2106 cpu_reset_interrupt(env, CPU_INTERRUPT_WAKE);
2107 helper_raise_exception(env, EXCP_HLT);
2110 #if !defined(CONFIG_USER_ONLY)
2112 static void QEMU_NORETURN do_unaligned_access(CPUMIPSState *env,
2113 target_ulong addr, int is_write,
2114 int is_user, uintptr_t retaddr);
2116 #define MMUSUFFIX _mmu
2117 #define ALIGNED_ONLY
2120 #include "exec/softmmu_template.h"
2123 #include "exec/softmmu_template.h"
2126 #include "exec/softmmu_template.h"
2129 #include "exec/softmmu_template.h"
2131 static void do_unaligned_access(CPUMIPSState *env, target_ulong addr,
2132 int is_write, int is_user, uintptr_t retaddr)
2134 env->CP0_BadVAddr = addr;
2135 do_raise_exception(env, (is_write == 1) ? EXCP_AdES : EXCP_AdEL, retaddr);
2138 void tlb_fill(CPUMIPSState *env, target_ulong addr, int is_write, int mmu_idx,
2143 ret = cpu_mips_handle_mmu_fault(env, addr, is_write, mmu_idx);
2145 do_raise_exception_err(env, env->exception_index,
2146 env->error_code, retaddr);
2150 void cpu_unassigned_access(CPUMIPSState *env, hwaddr addr,
2151 int is_write, int is_exec, int unused, int size)
2154 helper_raise_exception(env, EXCP_IBE);
2156 helper_raise_exception(env, EXCP_DBE);
2158 #endif /* !CONFIG_USER_ONLY */
2160 /* Complex FPU operations which may need stack space. */
2162 #define FLOAT_TWO32 make_float32(1 << 30)
2163 #define FLOAT_TWO64 make_float64(1ULL << 62)
2164 #define FP_TO_INT32_OVERFLOW 0x7fffffff
2165 #define FP_TO_INT64_OVERFLOW 0x7fffffffffffffffULL
2167 /* convert MIPS rounding mode in FCR31 to IEEE library */
2168 static unsigned int ieee_rm[] = {
2169 float_round_nearest_even,
2170 float_round_to_zero,
2175 static inline void restore_rounding_mode(CPUMIPSState *env)
2177 set_float_rounding_mode(ieee_rm[env->active_fpu.fcr31 & 3],
2178 &env->active_fpu.fp_status);
2181 static inline void restore_flush_mode(CPUMIPSState *env)
2183 set_flush_to_zero((env->active_fpu.fcr31 & (1 << 24)) != 0,
2184 &env->active_fpu.fp_status);
2187 target_ulong helper_cfc1(CPUMIPSState *env, uint32_t reg)
2193 arg1 = (int32_t)env->active_fpu.fcr0;
2196 arg1 = ((env->active_fpu.fcr31 >> 24) & 0xfe) | ((env->active_fpu.fcr31 >> 23) & 0x1);
2199 arg1 = env->active_fpu.fcr31 & 0x0003f07c;
2202 arg1 = (env->active_fpu.fcr31 & 0x00000f83) | ((env->active_fpu.fcr31 >> 22) & 0x4);
2205 arg1 = (int32_t)env->active_fpu.fcr31;
2212 void helper_ctc1(CPUMIPSState *env, target_ulong arg1, uint32_t reg)
2216 if (arg1 & 0xffffff00)
2218 env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0x017fffff) | ((arg1 & 0xfe) << 24) |
2219 ((arg1 & 0x1) << 23);
2222 if (arg1 & 0x007c0000)
2224 env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0xfffc0f83) | (arg1 & 0x0003f07c);
2227 if (arg1 & 0x007c0000)
2229 env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0xfefff07c) | (arg1 & 0x00000f83) |
2230 ((arg1 & 0x4) << 22);
2233 if (arg1 & 0x007c0000)
2235 env->active_fpu.fcr31 = arg1;
2240 /* set rounding mode */
2241 restore_rounding_mode(env);
2242 /* set flush-to-zero mode */
2243 restore_flush_mode(env);
2244 set_float_exception_flags(0, &env->active_fpu.fp_status);
2245 if ((GET_FP_ENABLE(env->active_fpu.fcr31) | 0x20) & GET_FP_CAUSE(env->active_fpu.fcr31))
2246 do_raise_exception(env, EXCP_FPE, GETPC());
2249 static inline int ieee_ex_to_mips(int xcpt)
2253 if (xcpt & float_flag_invalid) {
2256 if (xcpt & float_flag_overflow) {
2259 if (xcpt & float_flag_underflow) {
2260 ret |= FP_UNDERFLOW;
2262 if (xcpt & float_flag_divbyzero) {
2265 if (xcpt & float_flag_inexact) {
2272 static inline void update_fcr31(CPUMIPSState *env, uintptr_t pc)
2274 int tmp = ieee_ex_to_mips(get_float_exception_flags(&env->active_fpu.fp_status));
2276 SET_FP_CAUSE(env->active_fpu.fcr31, tmp);
2279 set_float_exception_flags(0, &env->active_fpu.fp_status);
2281 if (GET_FP_ENABLE(env->active_fpu.fcr31) & tmp) {
2282 do_raise_exception(env, EXCP_FPE, pc);
2284 UPDATE_FP_FLAGS(env->active_fpu.fcr31, tmp);
2290 Single precition routines have a "s" suffix, double precision a
2291 "d" suffix, 32bit integer "w", 64bit integer "l", paired single "ps",
2292 paired single lower "pl", paired single upper "pu". */
2294 /* unary operations, modifying fp status */
2295 uint64_t helper_float_sqrt_d(CPUMIPSState *env, uint64_t fdt0)
2297 fdt0 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
2298 update_fcr31(env, GETPC());
2302 uint32_t helper_float_sqrt_s(CPUMIPSState *env, uint32_t fst0)
2304 fst0 = float32_sqrt(fst0, &env->active_fpu.fp_status);
2305 update_fcr31(env, GETPC());
2309 uint64_t helper_float_cvtd_s(CPUMIPSState *env, uint32_t fst0)
2313 fdt2 = float32_to_float64(fst0, &env->active_fpu.fp_status);
2314 update_fcr31(env, GETPC());
2318 uint64_t helper_float_cvtd_w(CPUMIPSState *env, uint32_t wt0)
2322 fdt2 = int32_to_float64(wt0, &env->active_fpu.fp_status);
2323 update_fcr31(env, GETPC());
2327 uint64_t helper_float_cvtd_l(CPUMIPSState *env, uint64_t dt0)
2331 fdt2 = int64_to_float64(dt0, &env->active_fpu.fp_status);
2332 update_fcr31(env, GETPC());
2336 uint64_t helper_float_cvtl_d(CPUMIPSState *env, uint64_t fdt0)
2340 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2341 if (get_float_exception_flags(&env->active_fpu.fp_status)
2342 & (float_flag_invalid | float_flag_overflow)) {
2343 dt2 = FP_TO_INT64_OVERFLOW;
2345 update_fcr31(env, GETPC());
2349 uint64_t helper_float_cvtl_s(CPUMIPSState *env, uint32_t fst0)
2353 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2354 if (get_float_exception_flags(&env->active_fpu.fp_status)
2355 & (float_flag_invalid | float_flag_overflow)) {
2356 dt2 = FP_TO_INT64_OVERFLOW;
2358 update_fcr31(env, GETPC());
2362 uint64_t helper_float_cvtps_pw(CPUMIPSState *env, uint64_t dt0)
2367 fst2 = int32_to_float32(dt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2368 fsth2 = int32_to_float32(dt0 >> 32, &env->active_fpu.fp_status);
2369 update_fcr31(env, GETPC());
2370 return ((uint64_t)fsth2 << 32) | fst2;
2373 uint64_t helper_float_cvtpw_ps(CPUMIPSState *env, uint64_t fdt0)
2379 wt2 = float32_to_int32(fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2380 excp = get_float_exception_flags(&env->active_fpu.fp_status);
2381 if (excp & (float_flag_overflow | float_flag_invalid)) {
2382 wt2 = FP_TO_INT32_OVERFLOW;
2385 set_float_exception_flags(0, &env->active_fpu.fp_status);
2386 wth2 = float32_to_int32(fdt0 >> 32, &env->active_fpu.fp_status);
2387 excph = get_float_exception_flags(&env->active_fpu.fp_status);
2388 if (excph & (float_flag_overflow | float_flag_invalid)) {
2389 wth2 = FP_TO_INT32_OVERFLOW;
2392 set_float_exception_flags(excp | excph, &env->active_fpu.fp_status);
2393 update_fcr31(env, GETPC());
2395 return ((uint64_t)wth2 << 32) | wt2;
2398 uint32_t helper_float_cvts_d(CPUMIPSState *env, uint64_t fdt0)
2402 fst2 = float64_to_float32(fdt0, &env->active_fpu.fp_status);
2403 update_fcr31(env, GETPC());
2407 uint32_t helper_float_cvts_w(CPUMIPSState *env, uint32_t wt0)
2411 fst2 = int32_to_float32(wt0, &env->active_fpu.fp_status);
2412 update_fcr31(env, GETPC());
2416 uint32_t helper_float_cvts_l(CPUMIPSState *env, uint64_t dt0)
2420 fst2 = int64_to_float32(dt0, &env->active_fpu.fp_status);
2421 update_fcr31(env, GETPC());
2425 uint32_t helper_float_cvts_pl(CPUMIPSState *env, uint32_t wt0)
2430 update_fcr31(env, GETPC());
2434 uint32_t helper_float_cvts_pu(CPUMIPSState *env, uint32_t wth0)
2439 update_fcr31(env, GETPC());
2443 uint32_t helper_float_cvtw_s(CPUMIPSState *env, uint32_t fst0)
2447 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2448 update_fcr31(env, GETPC());
2449 if (get_float_exception_flags(&env->active_fpu.fp_status)
2450 & (float_flag_invalid | float_flag_overflow)) {
2451 wt2 = FP_TO_INT32_OVERFLOW;
2456 uint32_t helper_float_cvtw_d(CPUMIPSState *env, uint64_t fdt0)
2460 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2461 if (get_float_exception_flags(&env->active_fpu.fp_status)
2462 & (float_flag_invalid | float_flag_overflow)) {
2463 wt2 = FP_TO_INT32_OVERFLOW;
2465 update_fcr31(env, GETPC());
2469 uint64_t helper_float_roundl_d(CPUMIPSState *env, uint64_t fdt0)
2473 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2474 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2475 restore_rounding_mode(env);
2476 if (get_float_exception_flags(&env->active_fpu.fp_status)
2477 & (float_flag_invalid | float_flag_overflow)) {
2478 dt2 = FP_TO_INT64_OVERFLOW;
2480 update_fcr31(env, GETPC());
2484 uint64_t helper_float_roundl_s(CPUMIPSState *env, uint32_t fst0)
2488 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2489 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2490 restore_rounding_mode(env);
2491 if (get_float_exception_flags(&env->active_fpu.fp_status)
2492 & (float_flag_invalid | float_flag_overflow)) {
2493 dt2 = FP_TO_INT64_OVERFLOW;
2495 update_fcr31(env, GETPC());
2499 uint32_t helper_float_roundw_d(CPUMIPSState *env, uint64_t fdt0)
2503 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2504 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2505 restore_rounding_mode(env);
2506 if (get_float_exception_flags(&env->active_fpu.fp_status)
2507 & (float_flag_invalid | float_flag_overflow)) {
2508 wt2 = FP_TO_INT32_OVERFLOW;
2510 update_fcr31(env, GETPC());
2514 uint32_t helper_float_roundw_s(CPUMIPSState *env, uint32_t fst0)
2518 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2519 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2520 restore_rounding_mode(env);
2521 if (get_float_exception_flags(&env->active_fpu.fp_status)
2522 & (float_flag_invalid | float_flag_overflow)) {
2523 wt2 = FP_TO_INT32_OVERFLOW;
2525 update_fcr31(env, GETPC());
2529 uint64_t helper_float_truncl_d(CPUMIPSState *env, uint64_t fdt0)
2533 dt2 = float64_to_int64_round_to_zero(fdt0, &env->active_fpu.fp_status);
2534 if (get_float_exception_flags(&env->active_fpu.fp_status)
2535 & (float_flag_invalid | float_flag_overflow)) {
2536 dt2 = FP_TO_INT64_OVERFLOW;
2538 update_fcr31(env, GETPC());
2542 uint64_t helper_float_truncl_s(CPUMIPSState *env, uint32_t fst0)
2546 dt2 = float32_to_int64_round_to_zero(fst0, &env->active_fpu.fp_status);
2547 if (get_float_exception_flags(&env->active_fpu.fp_status)
2548 & (float_flag_invalid | float_flag_overflow)) {
2549 dt2 = FP_TO_INT64_OVERFLOW;
2551 update_fcr31(env, GETPC());
2555 uint32_t helper_float_truncw_d(CPUMIPSState *env, uint64_t fdt0)
2559 wt2 = float64_to_int32_round_to_zero(fdt0, &env->active_fpu.fp_status);
2560 if (get_float_exception_flags(&env->active_fpu.fp_status)
2561 & (float_flag_invalid | float_flag_overflow)) {
2562 wt2 = FP_TO_INT32_OVERFLOW;
2564 update_fcr31(env, GETPC());
2568 uint32_t helper_float_truncw_s(CPUMIPSState *env, uint32_t fst0)
2572 wt2 = float32_to_int32_round_to_zero(fst0, &env->active_fpu.fp_status);
2573 if (get_float_exception_flags(&env->active_fpu.fp_status)
2574 & (float_flag_invalid | float_flag_overflow)) {
2575 wt2 = FP_TO_INT32_OVERFLOW;
2577 update_fcr31(env, GETPC());
2581 uint64_t helper_float_ceill_d(CPUMIPSState *env, uint64_t fdt0)
2585 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2586 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2587 restore_rounding_mode(env);
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_ceill_s(CPUMIPSState *env, uint32_t fst0)
2600 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2601 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2602 restore_rounding_mode(env);
2603 if (get_float_exception_flags(&env->active_fpu.fp_status)
2604 & (float_flag_invalid | float_flag_overflow)) {
2605 dt2 = FP_TO_INT64_OVERFLOW;
2607 update_fcr31(env, GETPC());
2611 uint32_t helper_float_ceilw_d(CPUMIPSState *env, uint64_t fdt0)
2615 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2616 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2617 restore_rounding_mode(env);
2618 if (get_float_exception_flags(&env->active_fpu.fp_status)
2619 & (float_flag_invalid | float_flag_overflow)) {
2620 wt2 = FP_TO_INT32_OVERFLOW;
2622 update_fcr31(env, GETPC());
2626 uint32_t helper_float_ceilw_s(CPUMIPSState *env, uint32_t fst0)
2630 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2631 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2632 restore_rounding_mode(env);
2633 if (get_float_exception_flags(&env->active_fpu.fp_status)
2634 & (float_flag_invalid | float_flag_overflow)) {
2635 wt2 = FP_TO_INT32_OVERFLOW;
2637 update_fcr31(env, GETPC());
2641 uint64_t helper_float_floorl_d(CPUMIPSState *env, uint64_t fdt0)
2645 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2646 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2647 restore_rounding_mode(env);
2648 if (get_float_exception_flags(&env->active_fpu.fp_status)
2649 & (float_flag_invalid | float_flag_overflow)) {
2650 dt2 = FP_TO_INT64_OVERFLOW;
2652 update_fcr31(env, GETPC());
2656 uint64_t helper_float_floorl_s(CPUMIPSState *env, uint32_t fst0)
2660 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2661 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2662 restore_rounding_mode(env);
2663 if (get_float_exception_flags(&env->active_fpu.fp_status)
2664 & (float_flag_invalid | float_flag_overflow)) {
2665 dt2 = FP_TO_INT64_OVERFLOW;
2667 update_fcr31(env, GETPC());
2671 uint32_t helper_float_floorw_d(CPUMIPSState *env, uint64_t fdt0)
2675 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2676 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2677 restore_rounding_mode(env);
2678 if (get_float_exception_flags(&env->active_fpu.fp_status)
2679 & (float_flag_invalid | float_flag_overflow)) {
2680 wt2 = FP_TO_INT32_OVERFLOW;
2682 update_fcr31(env, GETPC());
2686 uint32_t helper_float_floorw_s(CPUMIPSState *env, uint32_t fst0)
2690 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2691 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2692 restore_rounding_mode(env);
2693 if (get_float_exception_flags(&env->active_fpu.fp_status)
2694 & (float_flag_invalid | float_flag_overflow)) {
2695 wt2 = FP_TO_INT32_OVERFLOW;
2697 update_fcr31(env, GETPC());
2701 /* unary operations, not modifying fp status */
2702 #define FLOAT_UNOP(name) \
2703 uint64_t helper_float_ ## name ## _d(uint64_t fdt0) \
2705 return float64_ ## name(fdt0); \
2707 uint32_t helper_float_ ## name ## _s(uint32_t fst0) \
2709 return float32_ ## name(fst0); \
2711 uint64_t helper_float_ ## name ## _ps(uint64_t fdt0) \
2716 wt0 = float32_ ## name(fdt0 & 0XFFFFFFFF); \
2717 wth0 = float32_ ## name(fdt0 >> 32); \
2718 return ((uint64_t)wth0 << 32) | wt0; \
2724 /* MIPS specific unary operations */
2725 uint64_t helper_float_recip_d(CPUMIPSState *env, uint64_t fdt0)
2729 fdt2 = float64_div(float64_one, fdt0, &env->active_fpu.fp_status);
2730 update_fcr31(env, GETPC());
2734 uint32_t helper_float_recip_s(CPUMIPSState *env, uint32_t fst0)
2738 fst2 = float32_div(float32_one, fst0, &env->active_fpu.fp_status);
2739 update_fcr31(env, GETPC());
2743 uint64_t helper_float_rsqrt_d(CPUMIPSState *env, uint64_t fdt0)
2747 fdt2 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
2748 fdt2 = float64_div(float64_one, fdt2, &env->active_fpu.fp_status);
2749 update_fcr31(env, GETPC());
2753 uint32_t helper_float_rsqrt_s(CPUMIPSState *env, uint32_t fst0)
2757 fst2 = float32_sqrt(fst0, &env->active_fpu.fp_status);
2758 fst2 = float32_div(float32_one, fst2, &env->active_fpu.fp_status);
2759 update_fcr31(env, GETPC());
2763 uint64_t helper_float_recip1_d(CPUMIPSState *env, uint64_t fdt0)
2767 fdt2 = float64_div(float64_one, fdt0, &env->active_fpu.fp_status);
2768 update_fcr31(env, GETPC());
2772 uint32_t helper_float_recip1_s(CPUMIPSState *env, uint32_t fst0)
2776 fst2 = float32_div(float32_one, fst0, &env->active_fpu.fp_status);
2777 update_fcr31(env, GETPC());
2781 uint64_t helper_float_recip1_ps(CPUMIPSState *env, uint64_t fdt0)
2786 fst2 = float32_div(float32_one, fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2787 fsth2 = float32_div(float32_one, fdt0 >> 32, &env->active_fpu.fp_status);
2788 update_fcr31(env, GETPC());
2789 return ((uint64_t)fsth2 << 32) | fst2;
2792 uint64_t helper_float_rsqrt1_d(CPUMIPSState *env, uint64_t fdt0)
2796 fdt2 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
2797 fdt2 = float64_div(float64_one, fdt2, &env->active_fpu.fp_status);
2798 update_fcr31(env, GETPC());
2802 uint32_t helper_float_rsqrt1_s(CPUMIPSState *env, uint32_t fst0)
2806 fst2 = float32_sqrt(fst0, &env->active_fpu.fp_status);
2807 fst2 = float32_div(float32_one, fst2, &env->active_fpu.fp_status);
2808 update_fcr31(env, GETPC());
2812 uint64_t helper_float_rsqrt1_ps(CPUMIPSState *env, uint64_t fdt0)
2817 fst2 = float32_sqrt(fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2818 fsth2 = float32_sqrt(fdt0 >> 32, &env->active_fpu.fp_status);
2819 fst2 = float32_div(float32_one, fst2, &env->active_fpu.fp_status);
2820 fsth2 = float32_div(float32_one, fsth2, &env->active_fpu.fp_status);
2821 update_fcr31(env, GETPC());
2822 return ((uint64_t)fsth2 << 32) | fst2;
2825 #define FLOAT_OP(name, p) void helper_float_##name##_##p(CPUMIPSState *env)
2827 /* binary operations */
2828 #define FLOAT_BINOP(name) \
2829 uint64_t helper_float_ ## name ## _d(CPUMIPSState *env, \
2830 uint64_t fdt0, uint64_t fdt1) \
2834 dt2 = float64_ ## name (fdt0, fdt1, &env->active_fpu.fp_status); \
2835 update_fcr31(env, GETPC()); \
2839 uint32_t helper_float_ ## name ## _s(CPUMIPSState *env, \
2840 uint32_t fst0, uint32_t fst1) \
2844 wt2 = float32_ ## name (fst0, fst1, &env->active_fpu.fp_status); \
2845 update_fcr31(env, GETPC()); \
2849 uint64_t helper_float_ ## name ## _ps(CPUMIPSState *env, \
2853 uint32_t fst0 = fdt0 & 0XFFFFFFFF; \
2854 uint32_t fsth0 = fdt0 >> 32; \
2855 uint32_t fst1 = fdt1 & 0XFFFFFFFF; \
2856 uint32_t fsth1 = fdt1 >> 32; \
2860 wt2 = float32_ ## name (fst0, fst1, &env->active_fpu.fp_status); \
2861 wth2 = float32_ ## name (fsth0, fsth1, &env->active_fpu.fp_status); \
2862 update_fcr31(env, GETPC()); \
2863 return ((uint64_t)wth2 << 32) | wt2; \
2872 /* FMA based operations */
2873 #define FLOAT_FMA(name, type) \
2874 uint64_t helper_float_ ## name ## _d(CPUMIPSState *env, \
2875 uint64_t fdt0, uint64_t fdt1, \
2878 fdt0 = float64_muladd(fdt0, fdt1, fdt2, type, \
2879 &env->active_fpu.fp_status); \
2880 update_fcr31(env, GETPC()); \
2884 uint32_t helper_float_ ## name ## _s(CPUMIPSState *env, \
2885 uint32_t fst0, uint32_t fst1, \
2888 fst0 = float32_muladd(fst0, fst1, fst2, type, \
2889 &env->active_fpu.fp_status); \
2890 update_fcr31(env, GETPC()); \
2894 uint64_t helper_float_ ## name ## _ps(CPUMIPSState *env, \
2895 uint64_t fdt0, uint64_t fdt1, \
2898 uint32_t fst0 = fdt0 & 0XFFFFFFFF; \
2899 uint32_t fsth0 = fdt0 >> 32; \
2900 uint32_t fst1 = fdt1 & 0XFFFFFFFF; \
2901 uint32_t fsth1 = fdt1 >> 32; \
2902 uint32_t fst2 = fdt2 & 0XFFFFFFFF; \
2903 uint32_t fsth2 = fdt2 >> 32; \
2905 fst0 = float32_muladd(fst0, fst1, fst2, type, \
2906 &env->active_fpu.fp_status); \
2907 fsth0 = float32_muladd(fsth0, fsth1, fsth2, type, \
2908 &env->active_fpu.fp_status); \
2909 update_fcr31(env, GETPC()); \
2910 return ((uint64_t)fsth0 << 32) | fst0; \
2913 FLOAT_FMA(msub, float_muladd_negate_c)
2914 FLOAT_FMA(nmadd, float_muladd_negate_result)
2915 FLOAT_FMA(nmsub, float_muladd_negate_result | float_muladd_negate_c)
2918 /* MIPS specific binary operations */
2919 uint64_t helper_float_recip2_d(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
2921 fdt2 = float64_mul(fdt0, fdt2, &env->active_fpu.fp_status);
2922 fdt2 = float64_chs(float64_sub(fdt2, float64_one, &env->active_fpu.fp_status));
2923 update_fcr31(env, GETPC());
2927 uint32_t helper_float_recip2_s(CPUMIPSState *env, uint32_t fst0, uint32_t fst2)
2929 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
2930 fst2 = float32_chs(float32_sub(fst2, float32_one, &env->active_fpu.fp_status));
2931 update_fcr31(env, GETPC());
2935 uint64_t helper_float_recip2_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
2937 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
2938 uint32_t fsth0 = fdt0 >> 32;
2939 uint32_t fst2 = fdt2 & 0XFFFFFFFF;
2940 uint32_t fsth2 = fdt2 >> 32;
2942 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
2943 fsth2 = float32_mul(fsth0, fsth2, &env->active_fpu.fp_status);
2944 fst2 = float32_chs(float32_sub(fst2, float32_one, &env->active_fpu.fp_status));
2945 fsth2 = float32_chs(float32_sub(fsth2, float32_one, &env->active_fpu.fp_status));
2946 update_fcr31(env, GETPC());
2947 return ((uint64_t)fsth2 << 32) | fst2;
2950 uint64_t helper_float_rsqrt2_d(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
2952 fdt2 = float64_mul(fdt0, fdt2, &env->active_fpu.fp_status);
2953 fdt2 = float64_sub(fdt2, float64_one, &env->active_fpu.fp_status);
2954 fdt2 = float64_chs(float64_div(fdt2, FLOAT_TWO64, &env->active_fpu.fp_status));
2955 update_fcr31(env, GETPC());
2959 uint32_t helper_float_rsqrt2_s(CPUMIPSState *env, uint32_t fst0, uint32_t fst2)
2961 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
2962 fst2 = float32_sub(fst2, float32_one, &env->active_fpu.fp_status);
2963 fst2 = float32_chs(float32_div(fst2, FLOAT_TWO32, &env->active_fpu.fp_status));
2964 update_fcr31(env, GETPC());
2968 uint64_t helper_float_rsqrt2_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
2970 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
2971 uint32_t fsth0 = fdt0 >> 32;
2972 uint32_t fst2 = fdt2 & 0XFFFFFFFF;
2973 uint32_t fsth2 = fdt2 >> 32;
2975 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
2976 fsth2 = float32_mul(fsth0, fsth2, &env->active_fpu.fp_status);
2977 fst2 = float32_sub(fst2, float32_one, &env->active_fpu.fp_status);
2978 fsth2 = float32_sub(fsth2, float32_one, &env->active_fpu.fp_status);
2979 fst2 = float32_chs(float32_div(fst2, FLOAT_TWO32, &env->active_fpu.fp_status));
2980 fsth2 = float32_chs(float32_div(fsth2, FLOAT_TWO32, &env->active_fpu.fp_status));
2981 update_fcr31(env, GETPC());
2982 return ((uint64_t)fsth2 << 32) | fst2;
2985 uint64_t helper_float_addr_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt1)
2987 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
2988 uint32_t fsth0 = fdt0 >> 32;
2989 uint32_t fst1 = fdt1 & 0XFFFFFFFF;
2990 uint32_t fsth1 = fdt1 >> 32;
2994 fst2 = float32_add (fst0, fsth0, &env->active_fpu.fp_status);
2995 fsth2 = float32_add (fst1, fsth1, &env->active_fpu.fp_status);
2996 update_fcr31(env, GETPC());
2997 return ((uint64_t)fsth2 << 32) | fst2;
3000 uint64_t helper_float_mulr_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt1)
3002 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
3003 uint32_t fsth0 = fdt0 >> 32;
3004 uint32_t fst1 = fdt1 & 0XFFFFFFFF;
3005 uint32_t fsth1 = fdt1 >> 32;
3009 fst2 = float32_mul (fst0, fsth0, &env->active_fpu.fp_status);
3010 fsth2 = float32_mul (fst1, fsth1, &env->active_fpu.fp_status);
3011 update_fcr31(env, GETPC());
3012 return ((uint64_t)fsth2 << 32) | fst2;
3015 /* compare operations */
3016 #define FOP_COND_D(op, cond) \
3017 void helper_cmp_d_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3018 uint64_t fdt1, int cc) \
3022 update_fcr31(env, GETPC()); \
3024 SET_FP_COND(cc, env->active_fpu); \
3026 CLEAR_FP_COND(cc, env->active_fpu); \
3028 void helper_cmpabs_d_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3029 uint64_t fdt1, int cc) \
3032 fdt0 = float64_abs(fdt0); \
3033 fdt1 = float64_abs(fdt1); \
3035 update_fcr31(env, GETPC()); \
3037 SET_FP_COND(cc, env->active_fpu); \
3039 CLEAR_FP_COND(cc, env->active_fpu); \
3042 /* NOTE: the comma operator will make "cond" to eval to false,
3043 * but float64_unordered_quiet() is still called. */
3044 FOP_COND_D(f, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status), 0))
3045 FOP_COND_D(un, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status))
3046 FOP_COND_D(eq, float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3047 FOP_COND_D(ueq, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status) || float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3048 FOP_COND_D(olt, float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3049 FOP_COND_D(ult, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status) || float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3050 FOP_COND_D(ole, float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3051 FOP_COND_D(ule, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status) || float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3052 /* NOTE: the comma operator will make "cond" to eval to false,
3053 * but float64_unordered() is still called. */
3054 FOP_COND_D(sf, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status), 0))
3055 FOP_COND_D(ngle,float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status))
3056 FOP_COND_D(seq, float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
3057 FOP_COND_D(ngl, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status) || float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
3058 FOP_COND_D(lt, float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
3059 FOP_COND_D(nge, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status) || float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
3060 FOP_COND_D(le, float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
3061 FOP_COND_D(ngt, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status) || float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
3063 #define FOP_COND_S(op, cond) \
3064 void helper_cmp_s_ ## op(CPUMIPSState *env, uint32_t fst0, \
3065 uint32_t fst1, int cc) \
3069 update_fcr31(env, GETPC()); \
3071 SET_FP_COND(cc, env->active_fpu); \
3073 CLEAR_FP_COND(cc, env->active_fpu); \
3075 void helper_cmpabs_s_ ## op(CPUMIPSState *env, uint32_t fst0, \
3076 uint32_t fst1, int cc) \
3079 fst0 = float32_abs(fst0); \
3080 fst1 = float32_abs(fst1); \
3082 update_fcr31(env, GETPC()); \
3084 SET_FP_COND(cc, env->active_fpu); \
3086 CLEAR_FP_COND(cc, env->active_fpu); \
3089 /* NOTE: the comma operator will make "cond" to eval to false,
3090 * but float32_unordered_quiet() is still called. */
3091 FOP_COND_S(f, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status), 0))
3092 FOP_COND_S(un, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status))
3093 FOP_COND_S(eq, float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status))
3094 FOP_COND_S(ueq, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status))
3095 FOP_COND_S(olt, float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status))
3096 FOP_COND_S(ult, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status))
3097 FOP_COND_S(ole, float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status))
3098 FOP_COND_S(ule, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status))
3099 /* NOTE: the comma operator will make "cond" to eval to false,
3100 * but float32_unordered() is still called. */
3101 FOP_COND_S(sf, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status), 0))
3102 FOP_COND_S(ngle,float32_unordered(fst1, fst0, &env->active_fpu.fp_status))
3103 FOP_COND_S(seq, float32_eq(fst0, fst1, &env->active_fpu.fp_status))
3104 FOP_COND_S(ngl, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_eq(fst0, fst1, &env->active_fpu.fp_status))
3105 FOP_COND_S(lt, float32_lt(fst0, fst1, &env->active_fpu.fp_status))
3106 FOP_COND_S(nge, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_lt(fst0, fst1, &env->active_fpu.fp_status))
3107 FOP_COND_S(le, float32_le(fst0, fst1, &env->active_fpu.fp_status))
3108 FOP_COND_S(ngt, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_le(fst0, fst1, &env->active_fpu.fp_status))
3110 #define FOP_COND_PS(op, condl, condh) \
3111 void helper_cmp_ps_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3112 uint64_t fdt1, int cc) \
3114 uint32_t fst0, fsth0, fst1, fsth1; \
3116 fst0 = fdt0 & 0XFFFFFFFF; \
3117 fsth0 = fdt0 >> 32; \
3118 fst1 = fdt1 & 0XFFFFFFFF; \
3119 fsth1 = fdt1 >> 32; \
3122 update_fcr31(env, GETPC()); \
3124 SET_FP_COND(cc, env->active_fpu); \
3126 CLEAR_FP_COND(cc, env->active_fpu); \
3128 SET_FP_COND(cc + 1, env->active_fpu); \
3130 CLEAR_FP_COND(cc + 1, env->active_fpu); \
3132 void helper_cmpabs_ps_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3133 uint64_t fdt1, int cc) \
3135 uint32_t fst0, fsth0, fst1, fsth1; \
3137 fst0 = float32_abs(fdt0 & 0XFFFFFFFF); \
3138 fsth0 = float32_abs(fdt0 >> 32); \
3139 fst1 = float32_abs(fdt1 & 0XFFFFFFFF); \
3140 fsth1 = float32_abs(fdt1 >> 32); \
3143 update_fcr31(env, GETPC()); \
3145 SET_FP_COND(cc, env->active_fpu); \
3147 CLEAR_FP_COND(cc, env->active_fpu); \
3149 SET_FP_COND(cc + 1, env->active_fpu); \
3151 CLEAR_FP_COND(cc + 1, env->active_fpu); \
3154 /* NOTE: the comma operator will make "cond" to eval to false,
3155 * but float32_unordered_quiet() is still called. */
3156 FOP_COND_PS(f, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status), 0),
3157 (float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status), 0))
3158 FOP_COND_PS(un, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status),
3159 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status))
3160 FOP_COND_PS(eq, float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status),
3161 float32_eq_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3162 FOP_COND_PS(ueq, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status),
3163 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status) || float32_eq_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3164 FOP_COND_PS(olt, float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status),
3165 float32_lt_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3166 FOP_COND_PS(ult, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status),
3167 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status) || float32_lt_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3168 FOP_COND_PS(ole, float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status),
3169 float32_le_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3170 FOP_COND_PS(ule, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status),
3171 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status) || float32_le_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3172 /* NOTE: the comma operator will make "cond" to eval to false,
3173 * but float32_unordered() is still called. */
3174 FOP_COND_PS(sf, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status), 0),
3175 (float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status), 0))
3176 FOP_COND_PS(ngle,float32_unordered(fst1, fst0, &env->active_fpu.fp_status),
3177 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status))
3178 FOP_COND_PS(seq, float32_eq(fst0, fst1, &env->active_fpu.fp_status),
3179 float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
3180 FOP_COND_PS(ngl, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_eq(fst0, fst1, &env->active_fpu.fp_status),
3181 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status) || float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
3182 FOP_COND_PS(lt, float32_lt(fst0, fst1, &env->active_fpu.fp_status),
3183 float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
3184 FOP_COND_PS(nge, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_lt(fst0, fst1, &env->active_fpu.fp_status),
3185 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status) || float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
3186 FOP_COND_PS(le, float32_le(fst0, fst1, &env->active_fpu.fp_status),
3187 float32_le(fsth0, fsth1, &env->active_fpu.fp_status))
3188 FOP_COND_PS(ngt, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_le(fst0, fst1, &env->active_fpu.fp_status),
3189 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status) || float32_le(fsth0, fsth1, &env->active_fpu.fp_status))