2 * MIPS emulation helpers for qemu.
4 * Copyright (c) 2004-2005 Jocelyn Mayer
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
21 #include "host-utils.h"
25 #if !defined(CONFIG_USER_ONLY)
26 #include "softmmu_exec.h"
27 #endif /* !defined(CONFIG_USER_ONLY) */
29 #ifndef CONFIG_USER_ONLY
30 static inline void cpu_mips_tlb_flush (CPUMIPSState *env, int flush_global);
33 /*****************************************************************************/
34 /* Exceptions processing helpers */
36 static inline void QEMU_NORETURN do_raise_exception_err(CPUMIPSState *env,
42 if (exception < 0x100)
43 qemu_log("%s: %d %d\n", __func__, exception, error_code);
45 env->exception_index = exception;
46 env->error_code = error_code;
49 /* now we have a real cpu fault */
50 cpu_restore_state(env, pc);
56 static inline void QEMU_NORETURN do_raise_exception(CPUMIPSState *env,
60 do_raise_exception_err(env, exception, 0, pc);
63 void helper_raise_exception_err(CPUMIPSState *env, uint32_t exception,
66 do_raise_exception_err(env, exception, error_code, 0);
69 void helper_raise_exception(CPUMIPSState *env, uint32_t exception)
71 do_raise_exception(env, exception, 0);
74 #if defined(CONFIG_USER_ONLY)
75 #define HELPER_LD(name, insn, type) \
76 static inline type do_##name(CPUMIPSState *env, target_ulong addr, \
79 return (type) insn##_raw(addr); \
82 #define HELPER_LD(name, insn, type) \
83 static inline type do_##name(CPUMIPSState *env, target_ulong addr, \
88 case 0: return (type) cpu_##insn##_kernel(env, addr); break; \
89 case 1: return (type) cpu_##insn##_super(env, addr); break; \
91 case 2: return (type) cpu_##insn##_user(env, addr); break; \
95 HELPER_LD(lbu, ldub, uint8_t)
96 HELPER_LD(lw, ldl, int32_t)
98 HELPER_LD(ld, ldq, int64_t)
102 #if defined(CONFIG_USER_ONLY)
103 #define HELPER_ST(name, insn, type) \
104 static inline void do_##name(CPUMIPSState *env, target_ulong addr, \
105 type val, int mem_idx) \
107 insn##_raw(addr, val); \
110 #define HELPER_ST(name, insn, type) \
111 static inline void do_##name(CPUMIPSState *env, target_ulong addr, \
112 type val, int mem_idx) \
116 case 0: cpu_##insn##_kernel(env, addr, val); break; \
117 case 1: cpu_##insn##_super(env, addr, val); break; \
119 case 2: cpu_##insn##_user(env, addr, val); break; \
123 HELPER_ST(sb, stb, uint8_t)
124 HELPER_ST(sw, stl, uint32_t)
126 HELPER_ST(sd, stq, uint64_t)
130 target_ulong helper_clo (target_ulong arg1)
135 target_ulong helper_clz (target_ulong arg1)
140 #if defined(TARGET_MIPS64)
141 target_ulong helper_dclo (target_ulong arg1)
146 target_ulong helper_dclz (target_ulong arg1)
150 #endif /* TARGET_MIPS64 */
152 /* 64 bits arithmetic for 32 bits hosts */
153 static inline uint64_t get_HILO(CPUMIPSState *env)
155 return ((uint64_t)(env->active_tc.HI[0]) << 32) | (uint32_t)env->active_tc.LO[0];
158 static inline target_ulong set_HIT0_LO(CPUMIPSState *env, uint64_t HILO)
161 env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF);
162 tmp = env->active_tc.HI[0] = (int32_t)(HILO >> 32);
166 static inline target_ulong set_HI_LOT0(CPUMIPSState *env, uint64_t HILO)
168 target_ulong tmp = env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF);
169 env->active_tc.HI[0] = (int32_t)(HILO >> 32);
173 /* Multiplication variants of the vr54xx. */
174 target_ulong helper_muls(CPUMIPSState *env, target_ulong arg1,
177 return set_HI_LOT0(env, 0 - ((int64_t)(int32_t)arg1 *
178 (int64_t)(int32_t)arg2));
181 target_ulong helper_mulsu(CPUMIPSState *env, target_ulong arg1,
184 return set_HI_LOT0(env, 0 - (uint64_t)(uint32_t)arg1 *
185 (uint64_t)(uint32_t)arg2);
188 target_ulong helper_macc(CPUMIPSState *env, target_ulong arg1,
191 return set_HI_LOT0(env, (int64_t)get_HILO(env) + (int64_t)(int32_t)arg1 *
192 (int64_t)(int32_t)arg2);
195 target_ulong helper_macchi(CPUMIPSState *env, target_ulong arg1,
198 return set_HIT0_LO(env, (int64_t)get_HILO(env) + (int64_t)(int32_t)arg1 *
199 (int64_t)(int32_t)arg2);
202 target_ulong helper_maccu(CPUMIPSState *env, target_ulong arg1,
205 return set_HI_LOT0(env, (uint64_t)get_HILO(env) +
206 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
209 target_ulong helper_macchiu(CPUMIPSState *env, target_ulong arg1,
212 return set_HIT0_LO(env, (uint64_t)get_HILO(env) +
213 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
216 target_ulong helper_msac(CPUMIPSState *env, target_ulong arg1,
219 return set_HI_LOT0(env, (int64_t)get_HILO(env) - (int64_t)(int32_t)arg1 *
220 (int64_t)(int32_t)arg2);
223 target_ulong helper_msachi(CPUMIPSState *env, target_ulong arg1,
226 return set_HIT0_LO(env, (int64_t)get_HILO(env) - (int64_t)(int32_t)arg1 *
227 (int64_t)(int32_t)arg2);
230 target_ulong helper_msacu(CPUMIPSState *env, target_ulong arg1,
233 return set_HI_LOT0(env, (uint64_t)get_HILO(env) -
234 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
237 target_ulong helper_msachiu(CPUMIPSState *env, target_ulong arg1,
240 return set_HIT0_LO(env, (uint64_t)get_HILO(env) -
241 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
244 target_ulong helper_mulhi(CPUMIPSState *env, target_ulong arg1,
247 return set_HIT0_LO(env, (int64_t)(int32_t)arg1 * (int64_t)(int32_t)arg2);
250 target_ulong helper_mulhiu(CPUMIPSState *env, target_ulong arg1,
253 return set_HIT0_LO(env, (uint64_t)(uint32_t)arg1 *
254 (uint64_t)(uint32_t)arg2);
257 target_ulong helper_mulshi(CPUMIPSState *env, target_ulong arg1,
260 return set_HIT0_LO(env, 0 - (int64_t)(int32_t)arg1 *
261 (int64_t)(int32_t)arg2);
264 target_ulong helper_mulshiu(CPUMIPSState *env, target_ulong arg1,
267 return set_HIT0_LO(env, 0 - (uint64_t)(uint32_t)arg1 *
268 (uint64_t)(uint32_t)arg2);
272 void helper_dmult(CPUMIPSState *env, target_ulong arg1, target_ulong arg2)
274 muls64(&(env->active_tc.LO[0]), &(env->active_tc.HI[0]), arg1, arg2);
277 void helper_dmultu(CPUMIPSState *env, target_ulong arg1, target_ulong arg2)
279 mulu64(&(env->active_tc.LO[0]), &(env->active_tc.HI[0]), arg1, arg2);
283 #ifndef CONFIG_USER_ONLY
285 static inline hwaddr do_translate_address(CPUMIPSState *env,
286 target_ulong address,
291 lladdr = cpu_mips_translate_address(env, address, rw);
293 if (lladdr == -1LL) {
300 #define HELPER_LD_ATOMIC(name, insn) \
301 target_ulong helper_##name(CPUMIPSState *env, target_ulong arg, int mem_idx) \
303 env->lladdr = do_translate_address(env, arg, 0); \
304 env->llval = do_##insn(env, arg, mem_idx); \
307 HELPER_LD_ATOMIC(ll, lw)
309 HELPER_LD_ATOMIC(lld, ld)
311 #undef HELPER_LD_ATOMIC
313 #define HELPER_ST_ATOMIC(name, ld_insn, st_insn, almask) \
314 target_ulong helper_##name(CPUMIPSState *env, target_ulong arg1, \
315 target_ulong arg2, int mem_idx) \
319 if (arg2 & almask) { \
320 env->CP0_BadVAddr = arg2; \
321 helper_raise_exception(env, EXCP_AdES); \
323 if (do_translate_address(env, arg2, 1) == env->lladdr) { \
324 tmp = do_##ld_insn(env, arg2, mem_idx); \
325 if (tmp == env->llval) { \
326 do_##st_insn(env, arg2, arg1, mem_idx); \
332 HELPER_ST_ATOMIC(sc, lw, sw, 0x3)
334 HELPER_ST_ATOMIC(scd, ld, sd, 0x7)
336 #undef HELPER_ST_ATOMIC
339 #ifdef TARGET_WORDS_BIGENDIAN
340 #define GET_LMASK(v) ((v) & 3)
341 #define GET_OFFSET(addr, offset) (addr + (offset))
343 #define GET_LMASK(v) (((v) & 3) ^ 3)
344 #define GET_OFFSET(addr, offset) (addr - (offset))
347 void helper_swl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
350 do_sb(env, arg2, (uint8_t)(arg1 >> 24), mem_idx);
352 if (GET_LMASK(arg2) <= 2)
353 do_sb(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 16), mem_idx);
355 if (GET_LMASK(arg2) <= 1)
356 do_sb(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 8), mem_idx);
358 if (GET_LMASK(arg2) == 0)
359 do_sb(env, GET_OFFSET(arg2, 3), (uint8_t)arg1, mem_idx);
362 void helper_swr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
365 do_sb(env, arg2, (uint8_t)arg1, mem_idx);
367 if (GET_LMASK(arg2) >= 1)
368 do_sb(env, GET_OFFSET(arg2, -1), (uint8_t)(arg1 >> 8), mem_idx);
370 if (GET_LMASK(arg2) >= 2)
371 do_sb(env, GET_OFFSET(arg2, -2), (uint8_t)(arg1 >> 16), mem_idx);
373 if (GET_LMASK(arg2) == 3)
374 do_sb(env, GET_OFFSET(arg2, -3), (uint8_t)(arg1 >> 24), mem_idx);
377 #if defined(TARGET_MIPS64)
378 /* "half" load and stores. We must do the memory access inline,
379 or fault handling won't work. */
381 #ifdef TARGET_WORDS_BIGENDIAN
382 #define GET_LMASK64(v) ((v) & 7)
384 #define GET_LMASK64(v) (((v) & 7) ^ 7)
387 void helper_sdl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
390 do_sb(env, arg2, (uint8_t)(arg1 >> 56), mem_idx);
392 if (GET_LMASK64(arg2) <= 6)
393 do_sb(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 48), mem_idx);
395 if (GET_LMASK64(arg2) <= 5)
396 do_sb(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 40), mem_idx);
398 if (GET_LMASK64(arg2) <= 4)
399 do_sb(env, GET_OFFSET(arg2, 3), (uint8_t)(arg1 >> 32), mem_idx);
401 if (GET_LMASK64(arg2) <= 3)
402 do_sb(env, GET_OFFSET(arg2, 4), (uint8_t)(arg1 >> 24), mem_idx);
404 if (GET_LMASK64(arg2) <= 2)
405 do_sb(env, GET_OFFSET(arg2, 5), (uint8_t)(arg1 >> 16), mem_idx);
407 if (GET_LMASK64(arg2) <= 1)
408 do_sb(env, GET_OFFSET(arg2, 6), (uint8_t)(arg1 >> 8), mem_idx);
410 if (GET_LMASK64(arg2) <= 0)
411 do_sb(env, GET_OFFSET(arg2, 7), (uint8_t)arg1, mem_idx);
414 void helper_sdr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
417 do_sb(env, arg2, (uint8_t)arg1, mem_idx);
419 if (GET_LMASK64(arg2) >= 1)
420 do_sb(env, GET_OFFSET(arg2, -1), (uint8_t)(arg1 >> 8), mem_idx);
422 if (GET_LMASK64(arg2) >= 2)
423 do_sb(env, GET_OFFSET(arg2, -2), (uint8_t)(arg1 >> 16), mem_idx);
425 if (GET_LMASK64(arg2) >= 3)
426 do_sb(env, GET_OFFSET(arg2, -3), (uint8_t)(arg1 >> 24), mem_idx);
428 if (GET_LMASK64(arg2) >= 4)
429 do_sb(env, GET_OFFSET(arg2, -4), (uint8_t)(arg1 >> 32), mem_idx);
431 if (GET_LMASK64(arg2) >= 5)
432 do_sb(env, GET_OFFSET(arg2, -5), (uint8_t)(arg1 >> 40), mem_idx);
434 if (GET_LMASK64(arg2) >= 6)
435 do_sb(env, GET_OFFSET(arg2, -6), (uint8_t)(arg1 >> 48), mem_idx);
437 if (GET_LMASK64(arg2) == 7)
438 do_sb(env, GET_OFFSET(arg2, -7), (uint8_t)(arg1 >> 56), mem_idx);
440 #endif /* TARGET_MIPS64 */
442 static const int multiple_regs[] = { 16, 17, 18, 19, 20, 21, 22, 23, 30 };
444 void helper_lwm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
447 target_ulong base_reglist = reglist & 0xf;
448 target_ulong do_r31 = reglist & 0x10;
450 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
453 for (i = 0; i < base_reglist; i++) {
454 env->active_tc.gpr[multiple_regs[i]] =
455 (target_long)do_lw(env, addr, mem_idx);
461 env->active_tc.gpr[31] = (target_long)do_lw(env, addr, mem_idx);
465 void helper_swm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
468 target_ulong base_reglist = reglist & 0xf;
469 target_ulong do_r31 = reglist & 0x10;
471 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
474 for (i = 0; i < base_reglist; i++) {
475 do_sw(env, addr, env->active_tc.gpr[multiple_regs[i]], mem_idx);
481 do_sw(env, addr, env->active_tc.gpr[31], mem_idx);
485 #if defined(TARGET_MIPS64)
486 void helper_ldm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
489 target_ulong base_reglist = reglist & 0xf;
490 target_ulong do_r31 = reglist & 0x10;
492 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
495 for (i = 0; i < base_reglist; i++) {
496 env->active_tc.gpr[multiple_regs[i]] = do_ld(env, addr, mem_idx);
502 env->active_tc.gpr[31] = do_ld(env, addr, mem_idx);
506 void helper_sdm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
509 target_ulong base_reglist = reglist & 0xf;
510 target_ulong do_r31 = reglist & 0x10;
512 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
515 for (i = 0; i < base_reglist; i++) {
516 do_sd(env, addr, env->active_tc.gpr[multiple_regs[i]], mem_idx);
522 do_sd(env, addr, env->active_tc.gpr[31], mem_idx);
527 #ifndef CONFIG_USER_ONLY
529 static bool mips_vpe_is_wfi(MIPSCPU *c)
531 CPUMIPSState *env = &c->env;
533 /* If the VPE is halted but otherwise active, it means it's waiting for
535 return env->halted && mips_vpe_active(env);
538 static inline void mips_vpe_wake(CPUMIPSState *c)
540 /* Dont set ->halted = 0 directly, let it be done via cpu_has_work
541 because there might be other conditions that state that c should
543 cpu_interrupt(c, CPU_INTERRUPT_WAKE);
546 static inline void mips_vpe_sleep(MIPSCPU *cpu)
548 CPUMIPSState *c = &cpu->env;
550 /* The VPE was shut off, really go to bed.
551 Reset any old _WAKE requests. */
553 cpu_reset_interrupt(c, CPU_INTERRUPT_WAKE);
556 static inline void mips_tc_wake(MIPSCPU *cpu, int tc)
558 CPUMIPSState *c = &cpu->env;
560 /* FIXME: TC reschedule. */
561 if (mips_vpe_active(c) && !mips_vpe_is_wfi(cpu)) {
566 static inline void mips_tc_sleep(MIPSCPU *cpu, int tc)
568 CPUMIPSState *c = &cpu->env;
570 /* FIXME: TC reschedule. */
571 if (!mips_vpe_active(c)) {
576 /* tc should point to an int with the value of the global TC index.
577 This function will transform it into a local index within the
578 returned CPUMIPSState.
580 FIXME: This code assumes that all VPEs have the same number of TCs,
581 which depends on runtime setup. Can probably be fixed by
582 walking the list of CPUMIPSStates. */
583 static CPUMIPSState *mips_cpu_map_tc(CPUMIPSState *env, int *tc)
586 int vpe_idx, nr_threads = env->nr_threads;
589 if (!(env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP))) {
590 /* Not allowed to address other CPUs. */
591 *tc = env->current_tc;
595 vpe_idx = tc_idx / nr_threads;
596 *tc = tc_idx % nr_threads;
597 other = qemu_get_cpu(vpe_idx);
598 return other ? other : env;
601 /* The per VPE CP0_Status register shares some fields with the per TC
602 CP0_TCStatus registers. These fields are wired to the same registers,
603 so changes to either of them should be reflected on both registers.
605 Also, EntryHi shares the bottom 8 bit ASID with TCStauts.
607 These helper call synchronizes the regs for a given cpu. */
609 /* Called for updates to CP0_Status. */
610 static void sync_c0_status(CPUMIPSState *env, CPUMIPSState *cpu, int tc)
612 int32_t tcstatus, *tcst;
613 uint32_t v = cpu->CP0_Status;
614 uint32_t cu, mx, asid, ksu;
615 uint32_t mask = ((1 << CP0TCSt_TCU3)
616 | (1 << CP0TCSt_TCU2)
617 | (1 << CP0TCSt_TCU1)
618 | (1 << CP0TCSt_TCU0)
620 | (3 << CP0TCSt_TKSU)
621 | (0xff << CP0TCSt_TASID));
623 cu = (v >> CP0St_CU0) & 0xf;
624 mx = (v >> CP0St_MX) & 0x1;
625 ksu = (v >> CP0St_KSU) & 0x3;
626 asid = env->CP0_EntryHi & 0xff;
628 tcstatus = cu << CP0TCSt_TCU0;
629 tcstatus |= mx << CP0TCSt_TMX;
630 tcstatus |= ksu << CP0TCSt_TKSU;
633 if (tc == cpu->current_tc) {
634 tcst = &cpu->active_tc.CP0_TCStatus;
636 tcst = &cpu->tcs[tc].CP0_TCStatus;
644 /* Called for updates to CP0_TCStatus. */
645 static void sync_c0_tcstatus(CPUMIPSState *cpu, int tc,
649 uint32_t tcu, tmx, tasid, tksu;
650 uint32_t mask = ((1 << CP0St_CU3)
657 tcu = (v >> CP0TCSt_TCU0) & 0xf;
658 tmx = (v >> CP0TCSt_TMX) & 0x1;
660 tksu = (v >> CP0TCSt_TKSU) & 0x3;
662 status = tcu << CP0St_CU0;
663 status |= tmx << CP0St_MX;
664 status |= tksu << CP0St_KSU;
666 cpu->CP0_Status &= ~mask;
667 cpu->CP0_Status |= status;
669 /* Sync the TASID with EntryHi. */
670 cpu->CP0_EntryHi &= ~0xff;
671 cpu->CP0_EntryHi = tasid;
676 /* Called for updates to CP0_EntryHi. */
677 static void sync_c0_entryhi(CPUMIPSState *cpu, int tc)
680 uint32_t asid, v = cpu->CP0_EntryHi;
684 if (tc == cpu->current_tc) {
685 tcst = &cpu->active_tc.CP0_TCStatus;
687 tcst = &cpu->tcs[tc].CP0_TCStatus;
695 target_ulong helper_mfc0_mvpcontrol(CPUMIPSState *env)
697 return env->mvp->CP0_MVPControl;
700 target_ulong helper_mfc0_mvpconf0(CPUMIPSState *env)
702 return env->mvp->CP0_MVPConf0;
705 target_ulong helper_mfc0_mvpconf1(CPUMIPSState *env)
707 return env->mvp->CP0_MVPConf1;
710 target_ulong helper_mfc0_random(CPUMIPSState *env)
712 return (int32_t)cpu_mips_get_random(env);
715 target_ulong helper_mfc0_tcstatus(CPUMIPSState *env)
717 return env->active_tc.CP0_TCStatus;
720 target_ulong helper_mftc0_tcstatus(CPUMIPSState *env)
722 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
723 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
725 if (other_tc == other->current_tc)
726 return other->active_tc.CP0_TCStatus;
728 return other->tcs[other_tc].CP0_TCStatus;
731 target_ulong helper_mfc0_tcbind(CPUMIPSState *env)
733 return env->active_tc.CP0_TCBind;
736 target_ulong helper_mftc0_tcbind(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_TCBind;
744 return other->tcs[other_tc].CP0_TCBind;
747 target_ulong helper_mfc0_tcrestart(CPUMIPSState *env)
749 return env->active_tc.PC;
752 target_ulong helper_mftc0_tcrestart(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.PC;
760 return other->tcs[other_tc].PC;
763 target_ulong helper_mfc0_tchalt(CPUMIPSState *env)
765 return env->active_tc.CP0_TCHalt;
768 target_ulong helper_mftc0_tchalt(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.CP0_TCHalt;
776 return other->tcs[other_tc].CP0_TCHalt;
779 target_ulong helper_mfc0_tccontext(CPUMIPSState *env)
781 return env->active_tc.CP0_TCContext;
784 target_ulong helper_mftc0_tccontext(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_TCContext;
792 return other->tcs[other_tc].CP0_TCContext;
795 target_ulong helper_mfc0_tcschedule(CPUMIPSState *env)
797 return env->active_tc.CP0_TCSchedule;
800 target_ulong helper_mftc0_tcschedule(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_TCSchedule;
808 return other->tcs[other_tc].CP0_TCSchedule;
811 target_ulong helper_mfc0_tcschefback(CPUMIPSState *env)
813 return env->active_tc.CP0_TCScheFBack;
816 target_ulong helper_mftc0_tcschefback(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_TCScheFBack;
824 return other->tcs[other_tc].CP0_TCScheFBack;
827 target_ulong helper_mfc0_count(CPUMIPSState *env)
829 return (int32_t)cpu_mips_get_count(env);
832 target_ulong helper_mftc0_entryhi(CPUMIPSState *env)
834 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
835 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
837 return other->CP0_EntryHi;
840 target_ulong helper_mftc0_cause(CPUMIPSState *env)
842 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
844 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
846 if (other_tc == other->current_tc) {
847 tccause = other->CP0_Cause;
849 tccause = other->CP0_Cause;
855 target_ulong helper_mftc0_status(CPUMIPSState *env)
857 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
858 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
860 return other->CP0_Status;
863 target_ulong helper_mfc0_lladdr(CPUMIPSState *env)
865 return (int32_t)(env->lladdr >> env->CP0_LLAddr_shift);
868 target_ulong helper_mfc0_watchlo(CPUMIPSState *env, uint32_t sel)
870 return (int32_t)env->CP0_WatchLo[sel];
873 target_ulong helper_mfc0_watchhi(CPUMIPSState *env, uint32_t sel)
875 return env->CP0_WatchHi[sel];
878 target_ulong helper_mfc0_debug(CPUMIPSState *env)
880 target_ulong t0 = env->CP0_Debug;
881 if (env->hflags & MIPS_HFLAG_DM)
887 target_ulong helper_mftc0_debug(CPUMIPSState *env)
889 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
891 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
893 if (other_tc == other->current_tc)
894 tcstatus = other->active_tc.CP0_Debug_tcstatus;
896 tcstatus = other->tcs[other_tc].CP0_Debug_tcstatus;
898 /* XXX: Might be wrong, check with EJTAG spec. */
899 return (other->CP0_Debug & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) |
900 (tcstatus & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt)));
903 #if defined(TARGET_MIPS64)
904 target_ulong helper_dmfc0_tcrestart(CPUMIPSState *env)
906 return env->active_tc.PC;
909 target_ulong helper_dmfc0_tchalt(CPUMIPSState *env)
911 return env->active_tc.CP0_TCHalt;
914 target_ulong helper_dmfc0_tccontext(CPUMIPSState *env)
916 return env->active_tc.CP0_TCContext;
919 target_ulong helper_dmfc0_tcschedule(CPUMIPSState *env)
921 return env->active_tc.CP0_TCSchedule;
924 target_ulong helper_dmfc0_tcschefback(CPUMIPSState *env)
926 return env->active_tc.CP0_TCScheFBack;
929 target_ulong helper_dmfc0_lladdr(CPUMIPSState *env)
931 return env->lladdr >> env->CP0_LLAddr_shift;
934 target_ulong helper_dmfc0_watchlo(CPUMIPSState *env, uint32_t sel)
936 return env->CP0_WatchLo[sel];
938 #endif /* TARGET_MIPS64 */
940 void helper_mtc0_index(CPUMIPSState *env, target_ulong arg1)
943 unsigned int tmp = env->tlb->nb_tlb;
949 env->CP0_Index = (env->CP0_Index & 0x80000000) | (arg1 & (num - 1));
952 void helper_mtc0_mvpcontrol(CPUMIPSState *env, target_ulong arg1)
957 if (env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP))
958 mask |= (1 << CP0MVPCo_CPA) | (1 << CP0MVPCo_VPC) |
960 if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
961 mask |= (1 << CP0MVPCo_STLB);
962 newval = (env->mvp->CP0_MVPControl & ~mask) | (arg1 & mask);
964 // TODO: Enable/disable shared TLB, enable/disable VPEs.
966 env->mvp->CP0_MVPControl = newval;
969 void helper_mtc0_vpecontrol(CPUMIPSState *env, target_ulong arg1)
974 mask = (1 << CP0VPECo_YSI) | (1 << CP0VPECo_GSI) |
975 (1 << CP0VPECo_TE) | (0xff << CP0VPECo_TargTC);
976 newval = (env->CP0_VPEControl & ~mask) | (arg1 & mask);
978 /* Yield scheduler intercept not implemented. */
979 /* Gating storage scheduler intercept not implemented. */
981 // TODO: Enable/disable TCs.
983 env->CP0_VPEControl = newval;
986 void helper_mttc0_vpecontrol(CPUMIPSState *env, target_ulong arg1)
988 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
989 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
993 mask = (1 << CP0VPECo_YSI) | (1 << CP0VPECo_GSI) |
994 (1 << CP0VPECo_TE) | (0xff << CP0VPECo_TargTC);
995 newval = (other->CP0_VPEControl & ~mask) | (arg1 & mask);
997 /* TODO: Enable/disable TCs. */
999 other->CP0_VPEControl = newval;
1002 target_ulong helper_mftc0_vpecontrol(CPUMIPSState *env)
1004 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1005 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1006 /* FIXME: Mask away return zero on read bits. */
1007 return other->CP0_VPEControl;
1010 target_ulong helper_mftc0_vpeconf0(CPUMIPSState *env)
1012 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1013 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1015 return other->CP0_VPEConf0;
1018 void helper_mtc0_vpeconf0(CPUMIPSState *env, target_ulong arg1)
1023 if (env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) {
1024 if (env->CP0_VPEConf0 & (1 << CP0VPEC0_VPA))
1025 mask |= (0xff << CP0VPEC0_XTC);
1026 mask |= (1 << CP0VPEC0_MVP) | (1 << CP0VPEC0_VPA);
1028 newval = (env->CP0_VPEConf0 & ~mask) | (arg1 & mask);
1030 // TODO: TC exclusive handling due to ERL/EXL.
1032 env->CP0_VPEConf0 = newval;
1035 void helper_mttc0_vpeconf0(CPUMIPSState *env, target_ulong arg1)
1037 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1038 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1042 mask |= (1 << CP0VPEC0_MVP) | (1 << CP0VPEC0_VPA);
1043 newval = (other->CP0_VPEConf0 & ~mask) | (arg1 & mask);
1045 /* TODO: TC exclusive handling due to ERL/EXL. */
1046 other->CP0_VPEConf0 = newval;
1049 void helper_mtc0_vpeconf1(CPUMIPSState *env, target_ulong arg1)
1054 if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1055 mask |= (0xff << CP0VPEC1_NCX) | (0xff << CP0VPEC1_NCP2) |
1056 (0xff << CP0VPEC1_NCP1);
1057 newval = (env->CP0_VPEConf1 & ~mask) | (arg1 & mask);
1059 /* UDI not implemented. */
1060 /* CP2 not implemented. */
1062 // TODO: Handle FPU (CP1) binding.
1064 env->CP0_VPEConf1 = newval;
1067 void helper_mtc0_yqmask(CPUMIPSState *env, target_ulong arg1)
1069 /* Yield qualifier inputs not implemented. */
1070 env->CP0_YQMask = 0x00000000;
1073 void helper_mtc0_vpeopt(CPUMIPSState *env, target_ulong arg1)
1075 env->CP0_VPEOpt = arg1 & 0x0000ffff;
1078 void helper_mtc0_entrylo0(CPUMIPSState *env, target_ulong arg1)
1080 /* Large physaddr (PABITS) not implemented */
1081 /* 1k pages not implemented */
1082 env->CP0_EntryLo0 = arg1 & 0x3FFFFFFF;
1085 void helper_mtc0_tcstatus(CPUMIPSState *env, target_ulong arg1)
1087 uint32_t mask = env->CP0_TCStatus_rw_bitmask;
1090 newval = (env->active_tc.CP0_TCStatus & ~mask) | (arg1 & mask);
1092 env->active_tc.CP0_TCStatus = newval;
1093 sync_c0_tcstatus(env, env->current_tc, newval);
1096 void helper_mttc0_tcstatus(CPUMIPSState *env, target_ulong arg1)
1098 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1099 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1101 if (other_tc == other->current_tc)
1102 other->active_tc.CP0_TCStatus = arg1;
1104 other->tcs[other_tc].CP0_TCStatus = arg1;
1105 sync_c0_tcstatus(other, other_tc, arg1);
1108 void helper_mtc0_tcbind(CPUMIPSState *env, target_ulong arg1)
1110 uint32_t mask = (1 << CP0TCBd_TBE);
1113 if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1114 mask |= (1 << CP0TCBd_CurVPE);
1115 newval = (env->active_tc.CP0_TCBind & ~mask) | (arg1 & mask);
1116 env->active_tc.CP0_TCBind = newval;
1119 void helper_mttc0_tcbind(CPUMIPSState *env, target_ulong arg1)
1121 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1122 uint32_t mask = (1 << CP0TCBd_TBE);
1124 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1126 if (other->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1127 mask |= (1 << CP0TCBd_CurVPE);
1128 if (other_tc == other->current_tc) {
1129 newval = (other->active_tc.CP0_TCBind & ~mask) | (arg1 & mask);
1130 other->active_tc.CP0_TCBind = newval;
1132 newval = (other->tcs[other_tc].CP0_TCBind & ~mask) | (arg1 & mask);
1133 other->tcs[other_tc].CP0_TCBind = newval;
1137 void helper_mtc0_tcrestart(CPUMIPSState *env, target_ulong arg1)
1139 env->active_tc.PC = arg1;
1140 env->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
1142 /* MIPS16 not implemented. */
1145 void helper_mttc0_tcrestart(CPUMIPSState *env, target_ulong arg1)
1147 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1148 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1150 if (other_tc == other->current_tc) {
1151 other->active_tc.PC = arg1;
1152 other->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
1153 other->lladdr = 0ULL;
1154 /* MIPS16 not implemented. */
1156 other->tcs[other_tc].PC = arg1;
1157 other->tcs[other_tc].CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
1158 other->lladdr = 0ULL;
1159 /* MIPS16 not implemented. */
1163 void helper_mtc0_tchalt(CPUMIPSState *env, target_ulong arg1)
1165 MIPSCPU *cpu = mips_env_get_cpu(env);
1167 env->active_tc.CP0_TCHalt = arg1 & 0x1;
1169 // TODO: Halt TC / Restart (if allocated+active) TC.
1170 if (env->active_tc.CP0_TCHalt & 1) {
1171 mips_tc_sleep(cpu, env->current_tc);
1173 mips_tc_wake(cpu, env->current_tc);
1177 void helper_mttc0_tchalt(CPUMIPSState *env, target_ulong arg1)
1179 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1180 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1181 MIPSCPU *other_cpu = mips_env_get_cpu(other);
1183 // TODO: Halt TC / Restart (if allocated+active) TC.
1185 if (other_tc == other->current_tc)
1186 other->active_tc.CP0_TCHalt = arg1;
1188 other->tcs[other_tc].CP0_TCHalt = arg1;
1191 mips_tc_sleep(other_cpu, other_tc);
1193 mips_tc_wake(other_cpu, other_tc);
1197 void helper_mtc0_tccontext(CPUMIPSState *env, target_ulong arg1)
1199 env->active_tc.CP0_TCContext = arg1;
1202 void helper_mttc0_tccontext(CPUMIPSState *env, target_ulong arg1)
1204 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1205 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1207 if (other_tc == other->current_tc)
1208 other->active_tc.CP0_TCContext = arg1;
1210 other->tcs[other_tc].CP0_TCContext = arg1;
1213 void helper_mtc0_tcschedule(CPUMIPSState *env, target_ulong arg1)
1215 env->active_tc.CP0_TCSchedule = arg1;
1218 void helper_mttc0_tcschedule(CPUMIPSState *env, target_ulong arg1)
1220 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1221 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1223 if (other_tc == other->current_tc)
1224 other->active_tc.CP0_TCSchedule = arg1;
1226 other->tcs[other_tc].CP0_TCSchedule = arg1;
1229 void helper_mtc0_tcschefback(CPUMIPSState *env, target_ulong arg1)
1231 env->active_tc.CP0_TCScheFBack = arg1;
1234 void helper_mttc0_tcschefback(CPUMIPSState *env, target_ulong arg1)
1236 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1237 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1239 if (other_tc == other->current_tc)
1240 other->active_tc.CP0_TCScheFBack = arg1;
1242 other->tcs[other_tc].CP0_TCScheFBack = arg1;
1245 void helper_mtc0_entrylo1(CPUMIPSState *env, target_ulong arg1)
1247 /* Large physaddr (PABITS) not implemented */
1248 /* 1k pages not implemented */
1249 env->CP0_EntryLo1 = arg1 & 0x3FFFFFFF;
1252 void helper_mtc0_context(CPUMIPSState *env, target_ulong arg1)
1254 env->CP0_Context = (env->CP0_Context & 0x007FFFFF) | (arg1 & ~0x007FFFFF);
1257 void helper_mtc0_pagemask(CPUMIPSState *env, target_ulong arg1)
1259 /* 1k pages not implemented */
1260 env->CP0_PageMask = arg1 & (0x1FFFFFFF & (TARGET_PAGE_MASK << 1));
1263 void helper_mtc0_pagegrain(CPUMIPSState *env, target_ulong arg1)
1265 /* SmartMIPS not implemented */
1266 /* Large physaddr (PABITS) not implemented */
1267 /* 1k pages not implemented */
1268 env->CP0_PageGrain = 0;
1271 void helper_mtc0_wired(CPUMIPSState *env, target_ulong arg1)
1273 env->CP0_Wired = arg1 % env->tlb->nb_tlb;
1276 void helper_mtc0_srsconf0(CPUMIPSState *env, target_ulong arg1)
1278 env->CP0_SRSConf0 |= arg1 & env->CP0_SRSConf0_rw_bitmask;
1281 void helper_mtc0_srsconf1(CPUMIPSState *env, target_ulong arg1)
1283 env->CP0_SRSConf1 |= arg1 & env->CP0_SRSConf1_rw_bitmask;
1286 void helper_mtc0_srsconf2(CPUMIPSState *env, target_ulong arg1)
1288 env->CP0_SRSConf2 |= arg1 & env->CP0_SRSConf2_rw_bitmask;
1291 void helper_mtc0_srsconf3(CPUMIPSState *env, target_ulong arg1)
1293 env->CP0_SRSConf3 |= arg1 & env->CP0_SRSConf3_rw_bitmask;
1296 void helper_mtc0_srsconf4(CPUMIPSState *env, target_ulong arg1)
1298 env->CP0_SRSConf4 |= arg1 & env->CP0_SRSConf4_rw_bitmask;
1301 void helper_mtc0_hwrena(CPUMIPSState *env, target_ulong arg1)
1303 env->CP0_HWREna = arg1 & 0x0000000F;
1306 void helper_mtc0_count(CPUMIPSState *env, target_ulong arg1)
1308 cpu_mips_store_count(env, arg1);
1311 void helper_mtc0_entryhi(CPUMIPSState *env, target_ulong arg1)
1313 target_ulong old, val;
1315 /* 1k pages not implemented */
1316 val = arg1 & ((TARGET_PAGE_MASK << 1) | 0xFF);
1317 #if defined(TARGET_MIPS64)
1318 val &= env->SEGMask;
1320 old = env->CP0_EntryHi;
1321 env->CP0_EntryHi = val;
1322 if (env->CP0_Config3 & (1 << CP0C3_MT)) {
1323 sync_c0_entryhi(env, env->current_tc);
1325 /* If the ASID changes, flush qemu's TLB. */
1326 if ((old & 0xFF) != (val & 0xFF))
1327 cpu_mips_tlb_flush(env, 1);
1330 void helper_mttc0_entryhi(CPUMIPSState *env, target_ulong arg1)
1332 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1333 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1335 other->CP0_EntryHi = arg1;
1336 sync_c0_entryhi(other, other_tc);
1339 void helper_mtc0_compare(CPUMIPSState *env, target_ulong arg1)
1341 cpu_mips_store_compare(env, arg1);
1344 void helper_mtc0_status(CPUMIPSState *env, target_ulong arg1)
1347 uint32_t mask = env->CP0_Status_rw_bitmask;
1350 old = env->CP0_Status;
1351 env->CP0_Status = (env->CP0_Status & ~mask) | val;
1352 if (env->CP0_Config3 & (1 << CP0C3_MT)) {
1353 sync_c0_status(env, env, env->current_tc);
1355 compute_hflags(env);
1358 if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
1359 qemu_log("Status %08x (%08x) => %08x (%08x) Cause %08x",
1360 old, old & env->CP0_Cause & CP0Ca_IP_mask,
1361 val, val & env->CP0_Cause & CP0Ca_IP_mask,
1363 switch (env->hflags & MIPS_HFLAG_KSU) {
1364 case MIPS_HFLAG_UM: qemu_log(", UM\n"); break;
1365 case MIPS_HFLAG_SM: qemu_log(", SM\n"); break;
1366 case MIPS_HFLAG_KM: qemu_log("\n"); break;
1367 default: cpu_abort(env, "Invalid MMU mode!\n"); break;
1372 void helper_mttc0_status(CPUMIPSState *env, target_ulong arg1)
1374 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1375 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1377 other->CP0_Status = arg1 & ~0xf1000018;
1378 sync_c0_status(env, other, other_tc);
1381 void helper_mtc0_intctl(CPUMIPSState *env, target_ulong arg1)
1383 /* vectored interrupts not implemented, no performance counters. */
1384 env->CP0_IntCtl = (env->CP0_IntCtl & ~0x000003e0) | (arg1 & 0x000003e0);
1387 void helper_mtc0_srsctl(CPUMIPSState *env, target_ulong arg1)
1389 uint32_t mask = (0xf << CP0SRSCtl_ESS) | (0xf << CP0SRSCtl_PSS);
1390 env->CP0_SRSCtl = (env->CP0_SRSCtl & ~mask) | (arg1 & mask);
1393 static void mtc0_cause(CPUMIPSState *cpu, target_ulong arg1)
1395 uint32_t mask = 0x00C00300;
1396 uint32_t old = cpu->CP0_Cause;
1399 if (cpu->insn_flags & ISA_MIPS32R2) {
1400 mask |= 1 << CP0Ca_DC;
1403 cpu->CP0_Cause = (cpu->CP0_Cause & ~mask) | (arg1 & mask);
1405 if ((old ^ cpu->CP0_Cause) & (1 << CP0Ca_DC)) {
1406 if (cpu->CP0_Cause & (1 << CP0Ca_DC)) {
1407 cpu_mips_stop_count(cpu);
1409 cpu_mips_start_count(cpu);
1413 /* Set/reset software interrupts */
1414 for (i = 0 ; i < 2 ; i++) {
1415 if ((old ^ cpu->CP0_Cause) & (1 << (CP0Ca_IP + i))) {
1416 cpu_mips_soft_irq(cpu, i, cpu->CP0_Cause & (1 << (CP0Ca_IP + i)));
1421 void helper_mtc0_cause(CPUMIPSState *env, target_ulong arg1)
1423 mtc0_cause(env, arg1);
1426 void helper_mttc0_cause(CPUMIPSState *env, target_ulong arg1)
1428 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1429 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1431 mtc0_cause(other, arg1);
1434 target_ulong helper_mftc0_epc(CPUMIPSState *env)
1436 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1437 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1439 return other->CP0_EPC;
1442 target_ulong helper_mftc0_ebase(CPUMIPSState *env)
1444 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1445 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1447 return other->CP0_EBase;
1450 void helper_mtc0_ebase(CPUMIPSState *env, target_ulong arg1)
1452 /* vectored interrupts not implemented */
1453 env->CP0_EBase = (env->CP0_EBase & ~0x3FFFF000) | (arg1 & 0x3FFFF000);
1456 void helper_mttc0_ebase(CPUMIPSState *env, target_ulong arg1)
1458 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1459 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1460 other->CP0_EBase = (other->CP0_EBase & ~0x3FFFF000) | (arg1 & 0x3FFFF000);
1463 target_ulong helper_mftc0_configx(CPUMIPSState *env, target_ulong idx)
1465 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1466 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1469 case 0: return other->CP0_Config0;
1470 case 1: return other->CP0_Config1;
1471 case 2: return other->CP0_Config2;
1472 case 3: return other->CP0_Config3;
1473 /* 4 and 5 are reserved. */
1474 case 6: return other->CP0_Config6;
1475 case 7: return other->CP0_Config7;
1482 void helper_mtc0_config0(CPUMIPSState *env, target_ulong arg1)
1484 env->CP0_Config0 = (env->CP0_Config0 & 0x81FFFFF8) | (arg1 & 0x00000007);
1487 void helper_mtc0_config2(CPUMIPSState *env, target_ulong arg1)
1489 /* tertiary/secondary caches not implemented */
1490 env->CP0_Config2 = (env->CP0_Config2 & 0x8FFF0FFF);
1493 void helper_mtc0_lladdr(CPUMIPSState *env, target_ulong arg1)
1495 target_long mask = env->CP0_LLAddr_rw_bitmask;
1496 arg1 = arg1 << env->CP0_LLAddr_shift;
1497 env->lladdr = (env->lladdr & ~mask) | (arg1 & mask);
1500 void helper_mtc0_watchlo(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1502 /* Watch exceptions for instructions, data loads, data stores
1504 env->CP0_WatchLo[sel] = (arg1 & ~0x7);
1507 void helper_mtc0_watchhi(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1509 env->CP0_WatchHi[sel] = (arg1 & 0x40FF0FF8);
1510 env->CP0_WatchHi[sel] &= ~(env->CP0_WatchHi[sel] & arg1 & 0x7);
1513 void helper_mtc0_xcontext(CPUMIPSState *env, target_ulong arg1)
1515 target_ulong mask = (1ULL << (env->SEGBITS - 7)) - 1;
1516 env->CP0_XContext = (env->CP0_XContext & mask) | (arg1 & ~mask);
1519 void helper_mtc0_framemask(CPUMIPSState *env, target_ulong arg1)
1521 env->CP0_Framemask = arg1; /* XXX */
1524 void helper_mtc0_debug(CPUMIPSState *env, target_ulong arg1)
1526 env->CP0_Debug = (env->CP0_Debug & 0x8C03FC1F) | (arg1 & 0x13300120);
1527 if (arg1 & (1 << CP0DB_DM))
1528 env->hflags |= MIPS_HFLAG_DM;
1530 env->hflags &= ~MIPS_HFLAG_DM;
1533 void helper_mttc0_debug(CPUMIPSState *env, target_ulong arg1)
1535 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1536 uint32_t val = arg1 & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt));
1537 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1539 /* XXX: Might be wrong, check with EJTAG spec. */
1540 if (other_tc == other->current_tc)
1541 other->active_tc.CP0_Debug_tcstatus = val;
1543 other->tcs[other_tc].CP0_Debug_tcstatus = val;
1544 other->CP0_Debug = (other->CP0_Debug &
1545 ((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) |
1546 (arg1 & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt)));
1549 void helper_mtc0_performance0(CPUMIPSState *env, target_ulong arg1)
1551 env->CP0_Performance0 = arg1 & 0x000007ff;
1554 void helper_mtc0_taglo(CPUMIPSState *env, target_ulong arg1)
1556 env->CP0_TagLo = arg1 & 0xFFFFFCF6;
1559 void helper_mtc0_datalo(CPUMIPSState *env, target_ulong arg1)
1561 env->CP0_DataLo = arg1; /* XXX */
1564 void helper_mtc0_taghi(CPUMIPSState *env, target_ulong arg1)
1566 env->CP0_TagHi = arg1; /* XXX */
1569 void helper_mtc0_datahi(CPUMIPSState *env, target_ulong arg1)
1571 env->CP0_DataHi = arg1; /* XXX */
1574 /* MIPS MT functions */
1575 target_ulong helper_mftgpr(CPUMIPSState *env, uint32_t sel)
1577 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1578 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1580 if (other_tc == other->current_tc)
1581 return other->active_tc.gpr[sel];
1583 return other->tcs[other_tc].gpr[sel];
1586 target_ulong helper_mftlo(CPUMIPSState *env, uint32_t sel)
1588 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1589 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1591 if (other_tc == other->current_tc)
1592 return other->active_tc.LO[sel];
1594 return other->tcs[other_tc].LO[sel];
1597 target_ulong helper_mfthi(CPUMIPSState *env, uint32_t sel)
1599 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1600 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1602 if (other_tc == other->current_tc)
1603 return other->active_tc.HI[sel];
1605 return other->tcs[other_tc].HI[sel];
1608 target_ulong helper_mftacx(CPUMIPSState *env, uint32_t sel)
1610 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1611 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1613 if (other_tc == other->current_tc)
1614 return other->active_tc.ACX[sel];
1616 return other->tcs[other_tc].ACX[sel];
1619 target_ulong helper_mftdsp(CPUMIPSState *env)
1621 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1622 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1624 if (other_tc == other->current_tc)
1625 return other->active_tc.DSPControl;
1627 return other->tcs[other_tc].DSPControl;
1630 void helper_mttgpr(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1632 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1633 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1635 if (other_tc == other->current_tc)
1636 other->active_tc.gpr[sel] = arg1;
1638 other->tcs[other_tc].gpr[sel] = arg1;
1641 void helper_mttlo(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1643 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1644 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1646 if (other_tc == other->current_tc)
1647 other->active_tc.LO[sel] = arg1;
1649 other->tcs[other_tc].LO[sel] = arg1;
1652 void helper_mtthi(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1654 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1655 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1657 if (other_tc == other->current_tc)
1658 other->active_tc.HI[sel] = arg1;
1660 other->tcs[other_tc].HI[sel] = arg1;
1663 void helper_mttacx(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1665 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1666 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1668 if (other_tc == other->current_tc)
1669 other->active_tc.ACX[sel] = arg1;
1671 other->tcs[other_tc].ACX[sel] = arg1;
1674 void helper_mttdsp(CPUMIPSState *env, target_ulong arg1)
1676 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1677 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1679 if (other_tc == other->current_tc)
1680 other->active_tc.DSPControl = arg1;
1682 other->tcs[other_tc].DSPControl = arg1;
1685 /* MIPS MT functions */
1686 target_ulong helper_dmt(void)
1692 target_ulong helper_emt(void)
1698 target_ulong helper_dvpe(CPUMIPSState *env)
1700 CPUMIPSState *other_cpu_env = first_cpu;
1701 target_ulong prev = env->mvp->CP0_MVPControl;
1704 /* Turn off all VPEs except the one executing the dvpe. */
1705 if (other_cpu_env != env) {
1706 MIPSCPU *other_cpu = mips_env_get_cpu(other_cpu_env);
1708 other_cpu_env->mvp->CP0_MVPControl &= ~(1 << CP0MVPCo_EVP);
1709 mips_vpe_sleep(other_cpu);
1711 other_cpu_env = other_cpu_env->next_cpu;
1712 } while (other_cpu_env);
1716 target_ulong helper_evpe(CPUMIPSState *env)
1718 CPUMIPSState *other_cpu_env = first_cpu;
1719 target_ulong prev = env->mvp->CP0_MVPControl;
1722 MIPSCPU *other_cpu = mips_env_get_cpu(other_cpu_env);
1724 if (other_cpu_env != env
1725 /* If the VPE is WFI, don't disturb its sleep. */
1726 && !mips_vpe_is_wfi(other_cpu)) {
1727 /* Enable the VPE. */
1728 other_cpu_env->mvp->CP0_MVPControl |= (1 << CP0MVPCo_EVP);
1729 mips_vpe_wake(other_cpu_env); /* And wake it up. */
1731 other_cpu_env = other_cpu_env->next_cpu;
1732 } while (other_cpu_env);
1735 #endif /* !CONFIG_USER_ONLY */
1737 void helper_fork(target_ulong arg1, target_ulong arg2)
1739 // arg1 = rt, arg2 = rs
1741 // TODO: store to TC register
1744 target_ulong helper_yield(CPUMIPSState *env, target_ulong arg)
1746 target_long arg1 = arg;
1749 /* No scheduling policy implemented. */
1751 if (env->CP0_VPEControl & (1 << CP0VPECo_YSI) &&
1752 env->active_tc.CP0_TCStatus & (1 << CP0TCSt_DT)) {
1753 env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
1754 env->CP0_VPEControl |= 4 << CP0VPECo_EXCPT;
1755 helper_raise_exception(env, EXCP_THREAD);
1758 } else if (arg1 == 0) {
1759 if (0 /* TODO: TC underflow */) {
1760 env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
1761 helper_raise_exception(env, EXCP_THREAD);
1763 // TODO: Deallocate TC
1765 } else if (arg1 > 0) {
1766 /* Yield qualifier inputs not implemented. */
1767 env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
1768 env->CP0_VPEControl |= 2 << CP0VPECo_EXCPT;
1769 helper_raise_exception(env, EXCP_THREAD);
1771 return env->CP0_YQMask;
1774 #ifndef CONFIG_USER_ONLY
1775 /* TLB management */
1776 static void cpu_mips_tlb_flush (CPUMIPSState *env, int flush_global)
1778 /* Flush qemu's TLB and discard all shadowed entries. */
1779 tlb_flush (env, flush_global);
1780 env->tlb->tlb_in_use = env->tlb->nb_tlb;
1783 static void r4k_mips_tlb_flush_extra (CPUMIPSState *env, int first)
1785 /* Discard entries from env->tlb[first] onwards. */
1786 while (env->tlb->tlb_in_use > first) {
1787 r4k_invalidate_tlb(env, --env->tlb->tlb_in_use, 0);
1791 static void r4k_fill_tlb(CPUMIPSState *env, int idx)
1795 /* XXX: detect conflicting TLBs and raise a MCHECK exception when needed */
1796 tlb = &env->tlb->mmu.r4k.tlb[idx];
1797 tlb->VPN = env->CP0_EntryHi & (TARGET_PAGE_MASK << 1);
1798 #if defined(TARGET_MIPS64)
1799 tlb->VPN &= env->SEGMask;
1801 tlb->ASID = env->CP0_EntryHi & 0xFF;
1802 tlb->PageMask = env->CP0_PageMask;
1803 tlb->G = env->CP0_EntryLo0 & env->CP0_EntryLo1 & 1;
1804 tlb->V0 = (env->CP0_EntryLo0 & 2) != 0;
1805 tlb->D0 = (env->CP0_EntryLo0 & 4) != 0;
1806 tlb->C0 = (env->CP0_EntryLo0 >> 3) & 0x7;
1807 tlb->PFN[0] = (env->CP0_EntryLo0 >> 6) << 12;
1808 tlb->V1 = (env->CP0_EntryLo1 & 2) != 0;
1809 tlb->D1 = (env->CP0_EntryLo1 & 4) != 0;
1810 tlb->C1 = (env->CP0_EntryLo1 >> 3) & 0x7;
1811 tlb->PFN[1] = (env->CP0_EntryLo1 >> 6) << 12;
1814 void r4k_helper_tlbwi(CPUMIPSState *env)
1820 bool G, V0, D0, V1, D1;
1822 idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb;
1823 tlb = &env->tlb->mmu.r4k.tlb[idx];
1824 VPN = env->CP0_EntryHi & (TARGET_PAGE_MASK << 1);
1825 #if defined(TARGET_MIPS64)
1826 VPN &= env->SEGMask;
1828 ASID = env->CP0_EntryHi & 0xff;
1829 G = env->CP0_EntryLo0 & env->CP0_EntryLo1 & 1;
1830 V0 = (env->CP0_EntryLo0 & 2) != 0;
1831 D0 = (env->CP0_EntryLo0 & 4) != 0;
1832 V1 = (env->CP0_EntryLo1 & 2) != 0;
1833 D1 = (env->CP0_EntryLo1 & 4) != 0;
1835 /* Discard cached TLB entries, unless tlbwi is just upgrading access
1836 permissions on the current entry. */
1837 if (tlb->VPN != VPN || tlb->ASID != ASID || tlb->G != G ||
1838 (tlb->V0 && !V0) || (tlb->D0 && !D0) ||
1839 (tlb->V1 && !V1) || (tlb->D1 && !D1)) {
1840 r4k_mips_tlb_flush_extra(env, env->tlb->nb_tlb);
1843 r4k_invalidate_tlb(env, idx, 0);
1844 r4k_fill_tlb(env, idx);
1847 void r4k_helper_tlbwr(CPUMIPSState *env)
1849 int r = cpu_mips_get_random(env);
1851 r4k_invalidate_tlb(env, r, 1);
1852 r4k_fill_tlb(env, r);
1855 void r4k_helper_tlbp(CPUMIPSState *env)
1864 ASID = env->CP0_EntryHi & 0xFF;
1865 for (i = 0; i < env->tlb->nb_tlb; i++) {
1866 tlb = &env->tlb->mmu.r4k.tlb[i];
1867 /* 1k pages are not supported. */
1868 mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
1869 tag = env->CP0_EntryHi & ~mask;
1870 VPN = tlb->VPN & ~mask;
1871 #if defined(TARGET_MIPS64)
1872 tag &= env->SEGMask;
1874 /* Check ASID, virtual page number & size */
1875 if ((tlb->G == 1 || tlb->ASID == ASID) && VPN == tag) {
1881 if (i == env->tlb->nb_tlb) {
1882 /* No match. Discard any shadow entries, if any of them match. */
1883 for (i = env->tlb->nb_tlb; i < env->tlb->tlb_in_use; i++) {
1884 tlb = &env->tlb->mmu.r4k.tlb[i];
1885 /* 1k pages are not supported. */
1886 mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
1887 tag = env->CP0_EntryHi & ~mask;
1888 VPN = tlb->VPN & ~mask;
1889 #if defined(TARGET_MIPS64)
1890 tag &= env->SEGMask;
1892 /* Check ASID, virtual page number & size */
1893 if ((tlb->G == 1 || tlb->ASID == ASID) && VPN == tag) {
1894 r4k_mips_tlb_flush_extra (env, i);
1899 env->CP0_Index |= 0x80000000;
1903 void r4k_helper_tlbr(CPUMIPSState *env)
1909 ASID = env->CP0_EntryHi & 0xFF;
1910 idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb;
1911 tlb = &env->tlb->mmu.r4k.tlb[idx];
1913 /* If this will change the current ASID, flush qemu's TLB. */
1914 if (ASID != tlb->ASID)
1915 cpu_mips_tlb_flush (env, 1);
1917 r4k_mips_tlb_flush_extra(env, env->tlb->nb_tlb);
1919 env->CP0_EntryHi = tlb->VPN | tlb->ASID;
1920 env->CP0_PageMask = tlb->PageMask;
1921 env->CP0_EntryLo0 = tlb->G | (tlb->V0 << 1) | (tlb->D0 << 2) |
1922 (tlb->C0 << 3) | (tlb->PFN[0] >> 6);
1923 env->CP0_EntryLo1 = tlb->G | (tlb->V1 << 1) | (tlb->D1 << 2) |
1924 (tlb->C1 << 3) | (tlb->PFN[1] >> 6);
1927 void helper_tlbwi(CPUMIPSState *env)
1929 env->tlb->helper_tlbwi(env);
1932 void helper_tlbwr(CPUMIPSState *env)
1934 env->tlb->helper_tlbwr(env);
1937 void helper_tlbp(CPUMIPSState *env)
1939 env->tlb->helper_tlbp(env);
1942 void helper_tlbr(CPUMIPSState *env)
1944 env->tlb->helper_tlbr(env);
1948 target_ulong helper_di(CPUMIPSState *env)
1950 target_ulong t0 = env->CP0_Status;
1952 env->CP0_Status = t0 & ~(1 << CP0St_IE);
1956 target_ulong helper_ei(CPUMIPSState *env)
1958 target_ulong t0 = env->CP0_Status;
1960 env->CP0_Status = t0 | (1 << CP0St_IE);
1964 static void debug_pre_eret(CPUMIPSState *env)
1966 if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
1967 qemu_log("ERET: PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx,
1968 env->active_tc.PC, env->CP0_EPC);
1969 if (env->CP0_Status & (1 << CP0St_ERL))
1970 qemu_log(" ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
1971 if (env->hflags & MIPS_HFLAG_DM)
1972 qemu_log(" DEPC " TARGET_FMT_lx, env->CP0_DEPC);
1977 static void debug_post_eret(CPUMIPSState *env)
1979 if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
1980 qemu_log(" => PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx,
1981 env->active_tc.PC, env->CP0_EPC);
1982 if (env->CP0_Status & (1 << CP0St_ERL))
1983 qemu_log(" ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
1984 if (env->hflags & MIPS_HFLAG_DM)
1985 qemu_log(" DEPC " TARGET_FMT_lx, env->CP0_DEPC);
1986 switch (env->hflags & MIPS_HFLAG_KSU) {
1987 case MIPS_HFLAG_UM: qemu_log(", UM\n"); break;
1988 case MIPS_HFLAG_SM: qemu_log(", SM\n"); break;
1989 case MIPS_HFLAG_KM: qemu_log("\n"); break;
1990 default: cpu_abort(env, "Invalid MMU mode!\n"); break;
1995 static void set_pc(CPUMIPSState *env, target_ulong error_pc)
1997 env->active_tc.PC = error_pc & ~(target_ulong)1;
1999 env->hflags |= MIPS_HFLAG_M16;
2001 env->hflags &= ~(MIPS_HFLAG_M16);
2005 void helper_eret(CPUMIPSState *env)
2007 debug_pre_eret(env);
2008 if (env->CP0_Status & (1 << CP0St_ERL)) {
2009 set_pc(env, env->CP0_ErrorEPC);
2010 env->CP0_Status &= ~(1 << CP0St_ERL);
2012 set_pc(env, env->CP0_EPC);
2013 env->CP0_Status &= ~(1 << CP0St_EXL);
2015 compute_hflags(env);
2016 debug_post_eret(env);
2020 void helper_deret(CPUMIPSState *env)
2022 debug_pre_eret(env);
2023 set_pc(env, env->CP0_DEPC);
2025 env->hflags &= MIPS_HFLAG_DM;
2026 compute_hflags(env);
2027 debug_post_eret(env);
2030 #endif /* !CONFIG_USER_ONLY */
2032 target_ulong helper_rdhwr_cpunum(CPUMIPSState *env)
2034 if ((env->hflags & MIPS_HFLAG_CP0) ||
2035 (env->CP0_HWREna & (1 << 0)))
2036 return env->CP0_EBase & 0x3ff;
2038 helper_raise_exception(env, EXCP_RI);
2043 target_ulong helper_rdhwr_synci_step(CPUMIPSState *env)
2045 if ((env->hflags & MIPS_HFLAG_CP0) ||
2046 (env->CP0_HWREna & (1 << 1)))
2047 return env->SYNCI_Step;
2049 helper_raise_exception(env, EXCP_RI);
2054 target_ulong helper_rdhwr_cc(CPUMIPSState *env)
2056 if ((env->hflags & MIPS_HFLAG_CP0) ||
2057 (env->CP0_HWREna & (1 << 2)))
2058 return env->CP0_Count;
2060 helper_raise_exception(env, EXCP_RI);
2065 target_ulong helper_rdhwr_ccres(CPUMIPSState *env)
2067 if ((env->hflags & MIPS_HFLAG_CP0) ||
2068 (env->CP0_HWREna & (1 << 3)))
2071 helper_raise_exception(env, EXCP_RI);
2076 void helper_pmon(CPUMIPSState *env, int function)
2080 case 2: /* TODO: char inbyte(int waitflag); */
2081 if (env->active_tc.gpr[4] == 0)
2082 env->active_tc.gpr[2] = -1;
2084 case 11: /* TODO: char inbyte (void); */
2085 env->active_tc.gpr[2] = -1;
2089 printf("%c", (char)(env->active_tc.gpr[4] & 0xFF));
2095 unsigned char *fmt = (void *)(uintptr_t)env->active_tc.gpr[4];
2102 void helper_wait(CPUMIPSState *env)
2105 cpu_reset_interrupt(env, CPU_INTERRUPT_WAKE);
2106 helper_raise_exception(env, EXCP_HLT);
2109 #if !defined(CONFIG_USER_ONLY)
2111 static void QEMU_NORETURN do_unaligned_access(CPUMIPSState *env,
2112 target_ulong addr, int is_write,
2113 int is_user, uintptr_t retaddr);
2115 #define MMUSUFFIX _mmu
2116 #define ALIGNED_ONLY
2119 #include "softmmu_template.h"
2122 #include "softmmu_template.h"
2125 #include "softmmu_template.h"
2128 #include "softmmu_template.h"
2130 static void do_unaligned_access(CPUMIPSState *env, target_ulong addr,
2131 int is_write, int is_user, uintptr_t retaddr)
2133 env->CP0_BadVAddr = addr;
2134 do_raise_exception(env, (is_write == 1) ? EXCP_AdES : EXCP_AdEL, retaddr);
2137 void tlb_fill(CPUMIPSState *env, target_ulong addr, int is_write, int mmu_idx,
2142 ret = cpu_mips_handle_mmu_fault(env, addr, is_write, mmu_idx);
2144 do_raise_exception_err(env, env->exception_index,
2145 env->error_code, retaddr);
2149 void cpu_unassigned_access(CPUMIPSState *env, hwaddr addr,
2150 int is_write, int is_exec, int unused, int size)
2153 helper_raise_exception(env, EXCP_IBE);
2155 helper_raise_exception(env, EXCP_DBE);
2157 #endif /* !CONFIG_USER_ONLY */
2159 /* Complex FPU operations which may need stack space. */
2161 #define FLOAT_TWO32 make_float32(1 << 30)
2162 #define FLOAT_TWO64 make_float64(1ULL << 62)
2163 #define FP_TO_INT32_OVERFLOW 0x7fffffff
2164 #define FP_TO_INT64_OVERFLOW 0x7fffffffffffffffULL
2166 /* convert MIPS rounding mode in FCR31 to IEEE library */
2167 static unsigned int ieee_rm[] = {
2168 float_round_nearest_even,
2169 float_round_to_zero,
2174 #define RESTORE_ROUNDING_MODE \
2175 set_float_rounding_mode(ieee_rm[env->active_fpu.fcr31 & 3], &env->active_fpu.fp_status)
2177 #define RESTORE_FLUSH_MODE \
2178 set_flush_to_zero((env->active_fpu.fcr31 & (1 << 24)) != 0, &env->active_fpu.fp_status);
2180 target_ulong helper_cfc1(CPUMIPSState *env, uint32_t reg)
2186 arg1 = (int32_t)env->active_fpu.fcr0;
2189 arg1 = ((env->active_fpu.fcr31 >> 24) & 0xfe) | ((env->active_fpu.fcr31 >> 23) & 0x1);
2192 arg1 = env->active_fpu.fcr31 & 0x0003f07c;
2195 arg1 = (env->active_fpu.fcr31 & 0x00000f83) | ((env->active_fpu.fcr31 >> 22) & 0x4);
2198 arg1 = (int32_t)env->active_fpu.fcr31;
2205 void helper_ctc1(CPUMIPSState *env, target_ulong arg1, uint32_t reg)
2209 if (arg1 & 0xffffff00)
2211 env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0x017fffff) | ((arg1 & 0xfe) << 24) |
2212 ((arg1 & 0x1) << 23);
2215 if (arg1 & 0x007c0000)
2217 env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0xfffc0f83) | (arg1 & 0x0003f07c);
2220 if (arg1 & 0x007c0000)
2222 env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0xfefff07c) | (arg1 & 0x00000f83) |
2223 ((arg1 & 0x4) << 22);
2226 if (arg1 & 0x007c0000)
2228 env->active_fpu.fcr31 = arg1;
2233 /* set rounding mode */
2234 RESTORE_ROUNDING_MODE;
2235 /* set flush-to-zero mode */
2237 set_float_exception_flags(0, &env->active_fpu.fp_status);
2238 if ((GET_FP_ENABLE(env->active_fpu.fcr31) | 0x20) & GET_FP_CAUSE(env->active_fpu.fcr31))
2239 do_raise_exception(env, EXCP_FPE, GETPC());
2242 static inline int ieee_ex_to_mips(int xcpt)
2246 if (xcpt & float_flag_invalid) {
2249 if (xcpt & float_flag_overflow) {
2252 if (xcpt & float_flag_underflow) {
2253 ret |= FP_UNDERFLOW;
2255 if (xcpt & float_flag_divbyzero) {
2258 if (xcpt & float_flag_inexact) {
2265 static inline void update_fcr31(CPUMIPSState *env, uintptr_t pc)
2267 int tmp = ieee_ex_to_mips(get_float_exception_flags(&env->active_fpu.fp_status));
2269 SET_FP_CAUSE(env->active_fpu.fcr31, tmp);
2272 set_float_exception_flags(0, &env->active_fpu.fp_status);
2274 if (GET_FP_ENABLE(env->active_fpu.fcr31) & tmp) {
2275 do_raise_exception(env, EXCP_FPE, pc);
2277 UPDATE_FP_FLAGS(env->active_fpu.fcr31, tmp);
2283 Single precition routines have a "s" suffix, double precision a
2284 "d" suffix, 32bit integer "w", 64bit integer "l", paired single "ps",
2285 paired single lower "pl", paired single upper "pu". */
2287 /* unary operations, modifying fp status */
2288 uint64_t helper_float_sqrt_d(CPUMIPSState *env, uint64_t fdt0)
2290 fdt0 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
2291 update_fcr31(env, GETPC());
2295 uint32_t helper_float_sqrt_s(CPUMIPSState *env, uint32_t fst0)
2297 fst0 = float32_sqrt(fst0, &env->active_fpu.fp_status);
2298 update_fcr31(env, GETPC());
2302 uint64_t helper_float_cvtd_s(CPUMIPSState *env, uint32_t fst0)
2306 fdt2 = float32_to_float64(fst0, &env->active_fpu.fp_status);
2307 update_fcr31(env, GETPC());
2311 uint64_t helper_float_cvtd_w(CPUMIPSState *env, uint32_t wt0)
2315 fdt2 = int32_to_float64(wt0, &env->active_fpu.fp_status);
2316 update_fcr31(env, GETPC());
2320 uint64_t helper_float_cvtd_l(CPUMIPSState *env, uint64_t dt0)
2324 fdt2 = int64_to_float64(dt0, &env->active_fpu.fp_status);
2325 update_fcr31(env, GETPC());
2329 uint64_t helper_float_cvtl_d(CPUMIPSState *env, uint64_t fdt0)
2333 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2334 if (get_float_exception_flags(&env->active_fpu.fp_status)
2335 & (float_flag_invalid | float_flag_overflow)) {
2336 dt2 = FP_TO_INT64_OVERFLOW;
2338 update_fcr31(env, GETPC());
2342 uint64_t helper_float_cvtl_s(CPUMIPSState *env, uint32_t fst0)
2346 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2347 if (get_float_exception_flags(&env->active_fpu.fp_status)
2348 & (float_flag_invalid | float_flag_overflow)) {
2349 dt2 = FP_TO_INT64_OVERFLOW;
2351 update_fcr31(env, GETPC());
2355 uint64_t helper_float_cvtps_pw(CPUMIPSState *env, uint64_t dt0)
2360 fst2 = int32_to_float32(dt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2361 fsth2 = int32_to_float32(dt0 >> 32, &env->active_fpu.fp_status);
2362 update_fcr31(env, GETPC());
2363 return ((uint64_t)fsth2 << 32) | fst2;
2366 uint64_t helper_float_cvtpw_ps(CPUMIPSState *env, uint64_t fdt0)
2372 wt2 = float32_to_int32(fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2373 excp = get_float_exception_flags(&env->active_fpu.fp_status);
2374 if (excp & (float_flag_overflow | float_flag_invalid)) {
2375 wt2 = FP_TO_INT32_OVERFLOW;
2378 set_float_exception_flags(0, &env->active_fpu.fp_status);
2379 wth2 = float32_to_int32(fdt0 >> 32, &env->active_fpu.fp_status);
2380 excph = get_float_exception_flags(&env->active_fpu.fp_status);
2381 if (excph & (float_flag_overflow | float_flag_invalid)) {
2382 wth2 = FP_TO_INT32_OVERFLOW;
2385 set_float_exception_flags(excp | excph, &env->active_fpu.fp_status);
2386 update_fcr31(env, GETPC());
2388 return ((uint64_t)wth2 << 32) | wt2;
2391 uint32_t helper_float_cvts_d(CPUMIPSState *env, uint64_t fdt0)
2395 fst2 = float64_to_float32(fdt0, &env->active_fpu.fp_status);
2396 update_fcr31(env, GETPC());
2400 uint32_t helper_float_cvts_w(CPUMIPSState *env, uint32_t wt0)
2404 fst2 = int32_to_float32(wt0, &env->active_fpu.fp_status);
2405 update_fcr31(env, GETPC());
2409 uint32_t helper_float_cvts_l(CPUMIPSState *env, uint64_t dt0)
2413 fst2 = int64_to_float32(dt0, &env->active_fpu.fp_status);
2414 update_fcr31(env, GETPC());
2418 uint32_t helper_float_cvts_pl(CPUMIPSState *env, uint32_t wt0)
2423 update_fcr31(env, GETPC());
2427 uint32_t helper_float_cvts_pu(CPUMIPSState *env, uint32_t wth0)
2432 update_fcr31(env, GETPC());
2436 uint32_t helper_float_cvtw_s(CPUMIPSState *env, uint32_t fst0)
2440 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2441 update_fcr31(env, GETPC());
2442 if (get_float_exception_flags(&env->active_fpu.fp_status)
2443 & (float_flag_invalid | float_flag_overflow)) {
2444 wt2 = FP_TO_INT32_OVERFLOW;
2449 uint32_t helper_float_cvtw_d(CPUMIPSState *env, uint64_t fdt0)
2453 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2454 if (get_float_exception_flags(&env->active_fpu.fp_status)
2455 & (float_flag_invalid | float_flag_overflow)) {
2456 wt2 = FP_TO_INT32_OVERFLOW;
2458 update_fcr31(env, GETPC());
2462 uint64_t helper_float_roundl_d(CPUMIPSState *env, uint64_t fdt0)
2466 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2467 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2468 RESTORE_ROUNDING_MODE;
2469 if (get_float_exception_flags(&env->active_fpu.fp_status)
2470 & (float_flag_invalid | float_flag_overflow)) {
2471 dt2 = FP_TO_INT64_OVERFLOW;
2473 update_fcr31(env, GETPC());
2477 uint64_t helper_float_roundl_s(CPUMIPSState *env, uint32_t fst0)
2481 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2482 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2483 RESTORE_ROUNDING_MODE;
2484 if (get_float_exception_flags(&env->active_fpu.fp_status)
2485 & (float_flag_invalid | float_flag_overflow)) {
2486 dt2 = FP_TO_INT64_OVERFLOW;
2488 update_fcr31(env, GETPC());
2492 uint32_t helper_float_roundw_d(CPUMIPSState *env, uint64_t fdt0)
2496 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2497 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2498 RESTORE_ROUNDING_MODE;
2499 if (get_float_exception_flags(&env->active_fpu.fp_status)
2500 & (float_flag_invalid | float_flag_overflow)) {
2501 wt2 = FP_TO_INT32_OVERFLOW;
2503 update_fcr31(env, GETPC());
2507 uint32_t helper_float_roundw_s(CPUMIPSState *env, uint32_t fst0)
2511 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2512 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2513 RESTORE_ROUNDING_MODE;
2514 if (get_float_exception_flags(&env->active_fpu.fp_status)
2515 & (float_flag_invalid | float_flag_overflow)) {
2516 wt2 = FP_TO_INT32_OVERFLOW;
2518 update_fcr31(env, GETPC());
2522 uint64_t helper_float_truncl_d(CPUMIPSState *env, uint64_t fdt0)
2526 dt2 = float64_to_int64_round_to_zero(fdt0, &env->active_fpu.fp_status);
2527 if (get_float_exception_flags(&env->active_fpu.fp_status)
2528 & (float_flag_invalid | float_flag_overflow)) {
2529 dt2 = FP_TO_INT64_OVERFLOW;
2531 update_fcr31(env, GETPC());
2535 uint64_t helper_float_truncl_s(CPUMIPSState *env, uint32_t fst0)
2539 dt2 = float32_to_int64_round_to_zero(fst0, &env->active_fpu.fp_status);
2540 if (get_float_exception_flags(&env->active_fpu.fp_status)
2541 & (float_flag_invalid | float_flag_overflow)) {
2542 dt2 = FP_TO_INT64_OVERFLOW;
2544 update_fcr31(env, GETPC());
2548 uint32_t helper_float_truncw_d(CPUMIPSState *env, uint64_t fdt0)
2552 wt2 = float64_to_int32_round_to_zero(fdt0, &env->active_fpu.fp_status);
2553 if (get_float_exception_flags(&env->active_fpu.fp_status)
2554 & (float_flag_invalid | float_flag_overflow)) {
2555 wt2 = FP_TO_INT32_OVERFLOW;
2557 update_fcr31(env, GETPC());
2561 uint32_t helper_float_truncw_s(CPUMIPSState *env, uint32_t fst0)
2565 wt2 = float32_to_int32_round_to_zero(fst0, &env->active_fpu.fp_status);
2566 if (get_float_exception_flags(&env->active_fpu.fp_status)
2567 & (float_flag_invalid | float_flag_overflow)) {
2568 wt2 = FP_TO_INT32_OVERFLOW;
2570 update_fcr31(env, GETPC());
2574 uint64_t helper_float_ceill_d(CPUMIPSState *env, uint64_t fdt0)
2578 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2579 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2580 RESTORE_ROUNDING_MODE;
2581 if (get_float_exception_flags(&env->active_fpu.fp_status)
2582 & (float_flag_invalid | float_flag_overflow)) {
2583 dt2 = FP_TO_INT64_OVERFLOW;
2585 update_fcr31(env, GETPC());
2589 uint64_t helper_float_ceill_s(CPUMIPSState *env, uint32_t fst0)
2593 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2594 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2595 RESTORE_ROUNDING_MODE;
2596 if (get_float_exception_flags(&env->active_fpu.fp_status)
2597 & (float_flag_invalid | float_flag_overflow)) {
2598 dt2 = FP_TO_INT64_OVERFLOW;
2600 update_fcr31(env, GETPC());
2604 uint32_t helper_float_ceilw_d(CPUMIPSState *env, uint64_t fdt0)
2608 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2609 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2610 RESTORE_ROUNDING_MODE;
2611 if (get_float_exception_flags(&env->active_fpu.fp_status)
2612 & (float_flag_invalid | float_flag_overflow)) {
2613 wt2 = FP_TO_INT32_OVERFLOW;
2615 update_fcr31(env, GETPC());
2619 uint32_t helper_float_ceilw_s(CPUMIPSState *env, uint32_t fst0)
2623 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2624 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2625 RESTORE_ROUNDING_MODE;
2626 if (get_float_exception_flags(&env->active_fpu.fp_status)
2627 & (float_flag_invalid | float_flag_overflow)) {
2628 wt2 = FP_TO_INT32_OVERFLOW;
2630 update_fcr31(env, GETPC());
2634 uint64_t helper_float_floorl_d(CPUMIPSState *env, uint64_t fdt0)
2638 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2639 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2640 RESTORE_ROUNDING_MODE;
2641 if (get_float_exception_flags(&env->active_fpu.fp_status)
2642 & (float_flag_invalid | float_flag_overflow)) {
2643 dt2 = FP_TO_INT64_OVERFLOW;
2645 update_fcr31(env, GETPC());
2649 uint64_t helper_float_floorl_s(CPUMIPSState *env, uint32_t fst0)
2653 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2654 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2655 RESTORE_ROUNDING_MODE;
2656 if (get_float_exception_flags(&env->active_fpu.fp_status)
2657 & (float_flag_invalid | float_flag_overflow)) {
2658 dt2 = FP_TO_INT64_OVERFLOW;
2660 update_fcr31(env, GETPC());
2664 uint32_t helper_float_floorw_d(CPUMIPSState *env, uint64_t fdt0)
2668 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2669 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2670 RESTORE_ROUNDING_MODE;
2671 if (get_float_exception_flags(&env->active_fpu.fp_status)
2672 & (float_flag_invalid | float_flag_overflow)) {
2673 wt2 = FP_TO_INT32_OVERFLOW;
2675 update_fcr31(env, GETPC());
2679 uint32_t helper_float_floorw_s(CPUMIPSState *env, uint32_t fst0)
2683 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2684 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2685 RESTORE_ROUNDING_MODE;
2686 if (get_float_exception_flags(&env->active_fpu.fp_status)
2687 & (float_flag_invalid | float_flag_overflow)) {
2688 wt2 = FP_TO_INT32_OVERFLOW;
2690 update_fcr31(env, GETPC());
2694 /* unary operations, not modifying fp status */
2695 #define FLOAT_UNOP(name) \
2696 uint64_t helper_float_ ## name ## _d(uint64_t fdt0) \
2698 return float64_ ## name(fdt0); \
2700 uint32_t helper_float_ ## name ## _s(uint32_t fst0) \
2702 return float32_ ## name(fst0); \
2704 uint64_t helper_float_ ## name ## _ps(uint64_t fdt0) \
2709 wt0 = float32_ ## name(fdt0 & 0XFFFFFFFF); \
2710 wth0 = float32_ ## name(fdt0 >> 32); \
2711 return ((uint64_t)wth0 << 32) | wt0; \
2717 /* MIPS specific unary operations */
2718 uint64_t helper_float_recip_d(CPUMIPSState *env, uint64_t fdt0)
2722 fdt2 = float64_div(float64_one, fdt0, &env->active_fpu.fp_status);
2723 update_fcr31(env, GETPC());
2727 uint32_t helper_float_recip_s(CPUMIPSState *env, uint32_t fst0)
2731 fst2 = float32_div(float32_one, fst0, &env->active_fpu.fp_status);
2732 update_fcr31(env, GETPC());
2736 uint64_t helper_float_rsqrt_d(CPUMIPSState *env, uint64_t fdt0)
2740 fdt2 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
2741 fdt2 = float64_div(float64_one, fdt2, &env->active_fpu.fp_status);
2742 update_fcr31(env, GETPC());
2746 uint32_t helper_float_rsqrt_s(CPUMIPSState *env, uint32_t fst0)
2750 fst2 = float32_sqrt(fst0, &env->active_fpu.fp_status);
2751 fst2 = float32_div(float32_one, fst2, &env->active_fpu.fp_status);
2752 update_fcr31(env, GETPC());
2756 uint64_t helper_float_recip1_d(CPUMIPSState *env, uint64_t fdt0)
2760 fdt2 = float64_div(float64_one, fdt0, &env->active_fpu.fp_status);
2761 update_fcr31(env, GETPC());
2765 uint32_t helper_float_recip1_s(CPUMIPSState *env, uint32_t fst0)
2769 fst2 = float32_div(float32_one, fst0, &env->active_fpu.fp_status);
2770 update_fcr31(env, GETPC());
2774 uint64_t helper_float_recip1_ps(CPUMIPSState *env, uint64_t fdt0)
2779 fst2 = float32_div(float32_one, fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2780 fsth2 = float32_div(float32_one, fdt0 >> 32, &env->active_fpu.fp_status);
2781 update_fcr31(env, GETPC());
2782 return ((uint64_t)fsth2 << 32) | fst2;
2785 uint64_t helper_float_rsqrt1_d(CPUMIPSState *env, uint64_t fdt0)
2789 fdt2 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
2790 fdt2 = float64_div(float64_one, fdt2, &env->active_fpu.fp_status);
2791 update_fcr31(env, GETPC());
2795 uint32_t helper_float_rsqrt1_s(CPUMIPSState *env, uint32_t fst0)
2799 fst2 = float32_sqrt(fst0, &env->active_fpu.fp_status);
2800 fst2 = float32_div(float32_one, fst2, &env->active_fpu.fp_status);
2801 update_fcr31(env, GETPC());
2805 uint64_t helper_float_rsqrt1_ps(CPUMIPSState *env, uint64_t fdt0)
2810 fst2 = float32_sqrt(fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2811 fsth2 = float32_sqrt(fdt0 >> 32, &env->active_fpu.fp_status);
2812 fst2 = float32_div(float32_one, fst2, &env->active_fpu.fp_status);
2813 fsth2 = float32_div(float32_one, fsth2, &env->active_fpu.fp_status);
2814 update_fcr31(env, GETPC());
2815 return ((uint64_t)fsth2 << 32) | fst2;
2818 #define FLOAT_OP(name, p) void helper_float_##name##_##p(CPUMIPSState *env)
2820 /* binary operations */
2821 #define FLOAT_BINOP(name) \
2822 uint64_t helper_float_ ## name ## _d(CPUMIPSState *env, \
2823 uint64_t fdt0, uint64_t fdt1) \
2827 dt2 = float64_ ## name (fdt0, fdt1, &env->active_fpu.fp_status); \
2828 update_fcr31(env, GETPC()); \
2832 uint32_t helper_float_ ## name ## _s(CPUMIPSState *env, \
2833 uint32_t fst0, uint32_t fst1) \
2837 wt2 = float32_ ## name (fst0, fst1, &env->active_fpu.fp_status); \
2838 update_fcr31(env, GETPC()); \
2842 uint64_t helper_float_ ## name ## _ps(CPUMIPSState *env, \
2846 uint32_t fst0 = fdt0 & 0XFFFFFFFF; \
2847 uint32_t fsth0 = fdt0 >> 32; \
2848 uint32_t fst1 = fdt1 & 0XFFFFFFFF; \
2849 uint32_t fsth1 = fdt1 >> 32; \
2853 wt2 = float32_ ## name (fst0, fst1, &env->active_fpu.fp_status); \
2854 wth2 = float32_ ## name (fsth0, fsth1, &env->active_fpu.fp_status); \
2855 update_fcr31(env, GETPC()); \
2856 return ((uint64_t)wth2 << 32) | wt2; \
2865 /* FMA based operations */
2866 #define FLOAT_FMA(name, type) \
2867 uint64_t helper_float_ ## name ## _d(CPUMIPSState *env, \
2868 uint64_t fdt0, uint64_t fdt1, \
2871 fdt0 = float64_muladd(fdt0, fdt1, fdt2, type, \
2872 &env->active_fpu.fp_status); \
2873 update_fcr31(env, GETPC()); \
2877 uint32_t helper_float_ ## name ## _s(CPUMIPSState *env, \
2878 uint32_t fst0, uint32_t fst1, \
2881 fst0 = float32_muladd(fst0, fst1, fst2, type, \
2882 &env->active_fpu.fp_status); \
2883 update_fcr31(env, GETPC()); \
2887 uint64_t helper_float_ ## name ## _ps(CPUMIPSState *env, \
2888 uint64_t fdt0, uint64_t fdt1, \
2891 uint32_t fst0 = fdt0 & 0XFFFFFFFF; \
2892 uint32_t fsth0 = fdt0 >> 32; \
2893 uint32_t fst1 = fdt1 & 0XFFFFFFFF; \
2894 uint32_t fsth1 = fdt1 >> 32; \
2895 uint32_t fst2 = fdt2 & 0XFFFFFFFF; \
2896 uint32_t fsth2 = fdt2 >> 32; \
2898 fst0 = float32_muladd(fst0, fst1, fst2, type, \
2899 &env->active_fpu.fp_status); \
2900 fsth0 = float32_muladd(fsth0, fsth1, fsth2, type, \
2901 &env->active_fpu.fp_status); \
2902 update_fcr31(env, GETPC()); \
2903 return ((uint64_t)fsth0 << 32) | fst0; \
2906 FLOAT_FMA(msub, float_muladd_negate_c)
2907 FLOAT_FMA(nmadd, float_muladd_negate_result)
2908 FLOAT_FMA(nmsub, float_muladd_negate_result | float_muladd_negate_c)
2911 /* MIPS specific binary operations */
2912 uint64_t helper_float_recip2_d(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
2914 fdt2 = float64_mul(fdt0, fdt2, &env->active_fpu.fp_status);
2915 fdt2 = float64_chs(float64_sub(fdt2, float64_one, &env->active_fpu.fp_status));
2916 update_fcr31(env, GETPC());
2920 uint32_t helper_float_recip2_s(CPUMIPSState *env, uint32_t fst0, uint32_t fst2)
2922 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
2923 fst2 = float32_chs(float32_sub(fst2, float32_one, &env->active_fpu.fp_status));
2924 update_fcr31(env, GETPC());
2928 uint64_t helper_float_recip2_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
2930 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
2931 uint32_t fsth0 = fdt0 >> 32;
2932 uint32_t fst2 = fdt2 & 0XFFFFFFFF;
2933 uint32_t fsth2 = fdt2 >> 32;
2935 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
2936 fsth2 = float32_mul(fsth0, fsth2, &env->active_fpu.fp_status);
2937 fst2 = float32_chs(float32_sub(fst2, float32_one, &env->active_fpu.fp_status));
2938 fsth2 = float32_chs(float32_sub(fsth2, float32_one, &env->active_fpu.fp_status));
2939 update_fcr31(env, GETPC());
2940 return ((uint64_t)fsth2 << 32) | fst2;
2943 uint64_t helper_float_rsqrt2_d(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
2945 fdt2 = float64_mul(fdt0, fdt2, &env->active_fpu.fp_status);
2946 fdt2 = float64_sub(fdt2, float64_one, &env->active_fpu.fp_status);
2947 fdt2 = float64_chs(float64_div(fdt2, FLOAT_TWO64, &env->active_fpu.fp_status));
2948 update_fcr31(env, GETPC());
2952 uint32_t helper_float_rsqrt2_s(CPUMIPSState *env, uint32_t fst0, uint32_t fst2)
2954 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
2955 fst2 = float32_sub(fst2, float32_one, &env->active_fpu.fp_status);
2956 fst2 = float32_chs(float32_div(fst2, FLOAT_TWO32, &env->active_fpu.fp_status));
2957 update_fcr31(env, GETPC());
2961 uint64_t helper_float_rsqrt2_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
2963 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
2964 uint32_t fsth0 = fdt0 >> 32;
2965 uint32_t fst2 = fdt2 & 0XFFFFFFFF;
2966 uint32_t fsth2 = fdt2 >> 32;
2968 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
2969 fsth2 = float32_mul(fsth0, fsth2, &env->active_fpu.fp_status);
2970 fst2 = float32_sub(fst2, float32_one, &env->active_fpu.fp_status);
2971 fsth2 = float32_sub(fsth2, float32_one, &env->active_fpu.fp_status);
2972 fst2 = float32_chs(float32_div(fst2, FLOAT_TWO32, &env->active_fpu.fp_status));
2973 fsth2 = float32_chs(float32_div(fsth2, FLOAT_TWO32, &env->active_fpu.fp_status));
2974 update_fcr31(env, GETPC());
2975 return ((uint64_t)fsth2 << 32) | fst2;
2978 uint64_t helper_float_addr_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt1)
2980 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
2981 uint32_t fsth0 = fdt0 >> 32;
2982 uint32_t fst1 = fdt1 & 0XFFFFFFFF;
2983 uint32_t fsth1 = fdt1 >> 32;
2987 fst2 = float32_add (fst0, fsth0, &env->active_fpu.fp_status);
2988 fsth2 = float32_add (fst1, fsth1, &env->active_fpu.fp_status);
2989 update_fcr31(env, GETPC());
2990 return ((uint64_t)fsth2 << 32) | fst2;
2993 uint64_t helper_float_mulr_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt1)
2995 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
2996 uint32_t fsth0 = fdt0 >> 32;
2997 uint32_t fst1 = fdt1 & 0XFFFFFFFF;
2998 uint32_t fsth1 = fdt1 >> 32;
3002 fst2 = float32_mul (fst0, fsth0, &env->active_fpu.fp_status);
3003 fsth2 = float32_mul (fst1, fsth1, &env->active_fpu.fp_status);
3004 update_fcr31(env, GETPC());
3005 return ((uint64_t)fsth2 << 32) | fst2;
3008 /* compare operations */
3009 #define FOP_COND_D(op, cond) \
3010 void helper_cmp_d_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3011 uint64_t fdt1, int cc) \
3015 update_fcr31(env, GETPC()); \
3017 SET_FP_COND(cc, env->active_fpu); \
3019 CLEAR_FP_COND(cc, env->active_fpu); \
3021 void helper_cmpabs_d_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3022 uint64_t fdt1, int cc) \
3025 fdt0 = float64_abs(fdt0); \
3026 fdt1 = float64_abs(fdt1); \
3028 update_fcr31(env, GETPC()); \
3030 SET_FP_COND(cc, env->active_fpu); \
3032 CLEAR_FP_COND(cc, env->active_fpu); \
3035 /* NOTE: the comma operator will make "cond" to eval to false,
3036 * but float64_unordered_quiet() is still called. */
3037 FOP_COND_D(f, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status), 0))
3038 FOP_COND_D(un, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status))
3039 FOP_COND_D(eq, float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3040 FOP_COND_D(ueq, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status) || float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3041 FOP_COND_D(olt, float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3042 FOP_COND_D(ult, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status) || float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3043 FOP_COND_D(ole, float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3044 FOP_COND_D(ule, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status) || float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3045 /* NOTE: the comma operator will make "cond" to eval to false,
3046 * but float64_unordered() is still called. */
3047 FOP_COND_D(sf, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status), 0))
3048 FOP_COND_D(ngle,float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status))
3049 FOP_COND_D(seq, float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
3050 FOP_COND_D(ngl, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status) || float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
3051 FOP_COND_D(lt, float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
3052 FOP_COND_D(nge, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status) || float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
3053 FOP_COND_D(le, float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
3054 FOP_COND_D(ngt, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status) || float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
3056 #define FOP_COND_S(op, cond) \
3057 void helper_cmp_s_ ## op(CPUMIPSState *env, uint32_t fst0, \
3058 uint32_t fst1, int cc) \
3062 update_fcr31(env, GETPC()); \
3064 SET_FP_COND(cc, env->active_fpu); \
3066 CLEAR_FP_COND(cc, env->active_fpu); \
3068 void helper_cmpabs_s_ ## op(CPUMIPSState *env, uint32_t fst0, \
3069 uint32_t fst1, int cc) \
3072 fst0 = float32_abs(fst0); \
3073 fst1 = float32_abs(fst1); \
3075 update_fcr31(env, GETPC()); \
3077 SET_FP_COND(cc, env->active_fpu); \
3079 CLEAR_FP_COND(cc, env->active_fpu); \
3082 /* NOTE: the comma operator will make "cond" to eval to false,
3083 * but float32_unordered_quiet() is still called. */
3084 FOP_COND_S(f, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status), 0))
3085 FOP_COND_S(un, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status))
3086 FOP_COND_S(eq, float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status))
3087 FOP_COND_S(ueq, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status))
3088 FOP_COND_S(olt, float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status))
3089 FOP_COND_S(ult, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status))
3090 FOP_COND_S(ole, float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status))
3091 FOP_COND_S(ule, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status))
3092 /* NOTE: the comma operator will make "cond" to eval to false,
3093 * but float32_unordered() is still called. */
3094 FOP_COND_S(sf, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status), 0))
3095 FOP_COND_S(ngle,float32_unordered(fst1, fst0, &env->active_fpu.fp_status))
3096 FOP_COND_S(seq, float32_eq(fst0, fst1, &env->active_fpu.fp_status))
3097 FOP_COND_S(ngl, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_eq(fst0, fst1, &env->active_fpu.fp_status))
3098 FOP_COND_S(lt, float32_lt(fst0, fst1, &env->active_fpu.fp_status))
3099 FOP_COND_S(nge, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_lt(fst0, fst1, &env->active_fpu.fp_status))
3100 FOP_COND_S(le, float32_le(fst0, fst1, &env->active_fpu.fp_status))
3101 FOP_COND_S(ngt, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_le(fst0, fst1, &env->active_fpu.fp_status))
3103 #define FOP_COND_PS(op, condl, condh) \
3104 void helper_cmp_ps_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3105 uint64_t fdt1, int cc) \
3107 uint32_t fst0, fsth0, fst1, fsth1; \
3109 fst0 = fdt0 & 0XFFFFFFFF; \
3110 fsth0 = fdt0 >> 32; \
3111 fst1 = fdt1 & 0XFFFFFFFF; \
3112 fsth1 = fdt1 >> 32; \
3115 update_fcr31(env, GETPC()); \
3117 SET_FP_COND(cc, env->active_fpu); \
3119 CLEAR_FP_COND(cc, env->active_fpu); \
3121 SET_FP_COND(cc + 1, env->active_fpu); \
3123 CLEAR_FP_COND(cc + 1, env->active_fpu); \
3125 void helper_cmpabs_ps_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3126 uint64_t fdt1, int cc) \
3128 uint32_t fst0, fsth0, fst1, fsth1; \
3130 fst0 = float32_abs(fdt0 & 0XFFFFFFFF); \
3131 fsth0 = float32_abs(fdt0 >> 32); \
3132 fst1 = float32_abs(fdt1 & 0XFFFFFFFF); \
3133 fsth1 = float32_abs(fdt1 >> 32); \
3136 update_fcr31(env, GETPC()); \
3138 SET_FP_COND(cc, env->active_fpu); \
3140 CLEAR_FP_COND(cc, env->active_fpu); \
3142 SET_FP_COND(cc + 1, env->active_fpu); \
3144 CLEAR_FP_COND(cc + 1, env->active_fpu); \
3147 /* NOTE: the comma operator will make "cond" to eval to false,
3148 * but float32_unordered_quiet() is still called. */
3149 FOP_COND_PS(f, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status), 0),
3150 (float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status), 0))
3151 FOP_COND_PS(un, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status),
3152 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status))
3153 FOP_COND_PS(eq, float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status),
3154 float32_eq_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3155 FOP_COND_PS(ueq, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status),
3156 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status) || float32_eq_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3157 FOP_COND_PS(olt, float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status),
3158 float32_lt_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3159 FOP_COND_PS(ult, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status),
3160 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status) || float32_lt_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3161 FOP_COND_PS(ole, float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status),
3162 float32_le_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3163 FOP_COND_PS(ule, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status),
3164 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status) || float32_le_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3165 /* NOTE: the comma operator will make "cond" to eval to false,
3166 * but float32_unordered() is still called. */
3167 FOP_COND_PS(sf, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status), 0),
3168 (float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status), 0))
3169 FOP_COND_PS(ngle,float32_unordered(fst1, fst0, &env->active_fpu.fp_status),
3170 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status))
3171 FOP_COND_PS(seq, float32_eq(fst0, fst1, &env->active_fpu.fp_status),
3172 float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
3173 FOP_COND_PS(ngl, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_eq(fst0, fst1, &env->active_fpu.fp_status),
3174 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status) || float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
3175 FOP_COND_PS(lt, float32_lt(fst0, fst1, &env->active_fpu.fp_status),
3176 float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
3177 FOP_COND_PS(nge, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_lt(fst0, fst1, &env->active_fpu.fp_status),
3178 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status) || float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
3179 FOP_COND_PS(le, float32_le(fst0, fst1, &env->active_fpu.fp_status),
3180 float32_le(fsth0, fsth1, &env->active_fpu.fp_status))
3181 FOP_COND_PS(ngt, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_le(fst0, fst1, &env->active_fpu.fp_status),
3182 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status) || float32_le(fsth0, fsth1, &env->active_fpu.fp_status))