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,
43 if (exception < 0x100)
44 qemu_log("%s: %d %d\n", __func__, exception, error_code);
46 env->exception_index = exception;
47 env->error_code = error_code;
50 /* now we have a real cpu fault */
53 /* the PC is inside the translated code. It means that we have
54 a virtual CPU fault */
55 cpu_restore_state(tb, env, pc);
62 static inline void QEMU_NORETURN do_raise_exception(CPUMIPSState *env,
66 do_raise_exception_err(env, exception, 0, pc);
69 void helper_raise_exception_err(CPUMIPSState *env, uint32_t exception,
72 do_raise_exception_err(env, exception, error_code, 0);
75 void helper_raise_exception(CPUMIPSState *env, uint32_t exception)
77 do_raise_exception(env, exception, 0);
80 #if defined(CONFIG_USER_ONLY)
81 #define HELPER_LD(name, insn, type) \
82 static inline type do_##name(CPUMIPSState *env, target_ulong addr, \
85 return (type) insn##_raw(addr); \
88 #define HELPER_LD(name, insn, type) \
89 static inline type do_##name(CPUMIPSState *env, target_ulong addr, \
94 case 0: return (type) cpu_##insn##_kernel(env, addr); break; \
95 case 1: return (type) cpu_##insn##_super(env, addr); break; \
97 case 2: return (type) cpu_##insn##_user(env, addr); break; \
101 HELPER_LD(lbu, ldub, uint8_t)
102 HELPER_LD(lw, ldl, int32_t)
104 HELPER_LD(ld, ldq, int64_t)
108 #if defined(CONFIG_USER_ONLY)
109 #define HELPER_ST(name, insn, type) \
110 static inline void do_##name(CPUMIPSState *env, target_ulong addr, \
111 type val, int mem_idx) \
113 insn##_raw(addr, val); \
116 #define HELPER_ST(name, insn, type) \
117 static inline void do_##name(CPUMIPSState *env, target_ulong addr, \
118 type val, int mem_idx) \
122 case 0: cpu_##insn##_kernel(env, addr, val); break; \
123 case 1: cpu_##insn##_super(env, addr, val); break; \
125 case 2: cpu_##insn##_user(env, addr, val); break; \
129 HELPER_ST(sb, stb, uint8_t)
130 HELPER_ST(sw, stl, uint32_t)
132 HELPER_ST(sd, stq, uint64_t)
136 target_ulong helper_clo (target_ulong arg1)
141 target_ulong helper_clz (target_ulong arg1)
146 #if defined(TARGET_MIPS64)
147 target_ulong helper_dclo (target_ulong arg1)
152 target_ulong helper_dclz (target_ulong arg1)
156 #endif /* TARGET_MIPS64 */
158 /* 64 bits arithmetic for 32 bits hosts */
159 static inline uint64_t get_HILO(CPUMIPSState *env)
161 return ((uint64_t)(env->active_tc.HI[0]) << 32) | (uint32_t)env->active_tc.LO[0];
164 static inline target_ulong set_HIT0_LO(CPUMIPSState *env, uint64_t HILO)
167 env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF);
168 tmp = env->active_tc.HI[0] = (int32_t)(HILO >> 32);
172 static inline target_ulong set_HI_LOT0(CPUMIPSState *env, uint64_t HILO)
174 target_ulong tmp = env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF);
175 env->active_tc.HI[0] = (int32_t)(HILO >> 32);
179 /* Multiplication variants of the vr54xx. */
180 target_ulong helper_muls(CPUMIPSState *env, target_ulong arg1,
183 return set_HI_LOT0(env, 0 - ((int64_t)(int32_t)arg1 *
184 (int64_t)(int32_t)arg2));
187 target_ulong helper_mulsu(CPUMIPSState *env, target_ulong arg1,
190 return set_HI_LOT0(env, 0 - (uint64_t)(uint32_t)arg1 *
191 (uint64_t)(uint32_t)arg2);
194 target_ulong helper_macc(CPUMIPSState *env, target_ulong arg1,
197 return set_HI_LOT0(env, (int64_t)get_HILO(env) + (int64_t)(int32_t)arg1 *
198 (int64_t)(int32_t)arg2);
201 target_ulong helper_macchi(CPUMIPSState *env, target_ulong arg1,
204 return set_HIT0_LO(env, (int64_t)get_HILO(env) + (int64_t)(int32_t)arg1 *
205 (int64_t)(int32_t)arg2);
208 target_ulong helper_maccu(CPUMIPSState *env, target_ulong arg1,
211 return set_HI_LOT0(env, (uint64_t)get_HILO(env) +
212 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
215 target_ulong helper_macchiu(CPUMIPSState *env, target_ulong arg1,
218 return set_HIT0_LO(env, (uint64_t)get_HILO(env) +
219 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
222 target_ulong helper_msac(CPUMIPSState *env, target_ulong arg1,
225 return set_HI_LOT0(env, (int64_t)get_HILO(env) - (int64_t)(int32_t)arg1 *
226 (int64_t)(int32_t)arg2);
229 target_ulong helper_msachi(CPUMIPSState *env, target_ulong arg1,
232 return set_HIT0_LO(env, (int64_t)get_HILO(env) - (int64_t)(int32_t)arg1 *
233 (int64_t)(int32_t)arg2);
236 target_ulong helper_msacu(CPUMIPSState *env, target_ulong arg1,
239 return set_HI_LOT0(env, (uint64_t)get_HILO(env) -
240 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
243 target_ulong helper_msachiu(CPUMIPSState *env, target_ulong arg1,
246 return set_HIT0_LO(env, (uint64_t)get_HILO(env) -
247 (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
250 target_ulong helper_mulhi(CPUMIPSState *env, target_ulong arg1,
253 return set_HIT0_LO(env, (int64_t)(int32_t)arg1 * (int64_t)(int32_t)arg2);
256 target_ulong helper_mulhiu(CPUMIPSState *env, target_ulong arg1,
259 return set_HIT0_LO(env, (uint64_t)(uint32_t)arg1 *
260 (uint64_t)(uint32_t)arg2);
263 target_ulong helper_mulshi(CPUMIPSState *env, target_ulong arg1,
266 return set_HIT0_LO(env, 0 - (int64_t)(int32_t)arg1 *
267 (int64_t)(int32_t)arg2);
270 target_ulong helper_mulshiu(CPUMIPSState *env, target_ulong arg1,
273 return set_HIT0_LO(env, 0 - (uint64_t)(uint32_t)arg1 *
274 (uint64_t)(uint32_t)arg2);
278 void helper_dmult(CPUMIPSState *env, target_ulong arg1, target_ulong arg2)
280 muls64(&(env->active_tc.LO[0]), &(env->active_tc.HI[0]), arg1, arg2);
283 void helper_dmultu(CPUMIPSState *env, target_ulong arg1, target_ulong arg2)
285 mulu64(&(env->active_tc.LO[0]), &(env->active_tc.HI[0]), arg1, arg2);
289 #ifndef CONFIG_USER_ONLY
291 static inline hwaddr do_translate_address(CPUMIPSState *env,
292 target_ulong address,
297 lladdr = cpu_mips_translate_address(env, address, rw);
299 if (lladdr == -1LL) {
306 #define HELPER_LD_ATOMIC(name, insn) \
307 target_ulong helper_##name(CPUMIPSState *env, target_ulong arg, int mem_idx) \
309 env->lladdr = do_translate_address(env, arg, 0); \
310 env->llval = do_##insn(env, arg, mem_idx); \
313 HELPER_LD_ATOMIC(ll, lw)
315 HELPER_LD_ATOMIC(lld, ld)
317 #undef HELPER_LD_ATOMIC
319 #define HELPER_ST_ATOMIC(name, ld_insn, st_insn, almask) \
320 target_ulong helper_##name(CPUMIPSState *env, target_ulong arg1, \
321 target_ulong arg2, int mem_idx) \
325 if (arg2 & almask) { \
326 env->CP0_BadVAddr = arg2; \
327 helper_raise_exception(env, EXCP_AdES); \
329 if (do_translate_address(env, arg2, 1) == env->lladdr) { \
330 tmp = do_##ld_insn(env, arg2, mem_idx); \
331 if (tmp == env->llval) { \
332 do_##st_insn(env, arg2, arg1, mem_idx); \
338 HELPER_ST_ATOMIC(sc, lw, sw, 0x3)
340 HELPER_ST_ATOMIC(scd, ld, sd, 0x7)
342 #undef HELPER_ST_ATOMIC
345 #ifdef TARGET_WORDS_BIGENDIAN
346 #define GET_LMASK(v) ((v) & 3)
347 #define GET_OFFSET(addr, offset) (addr + (offset))
349 #define GET_LMASK(v) (((v) & 3) ^ 3)
350 #define GET_OFFSET(addr, offset) (addr - (offset))
353 void helper_swl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
356 do_sb(env, arg2, (uint8_t)(arg1 >> 24), mem_idx);
358 if (GET_LMASK(arg2) <= 2)
359 do_sb(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 16), mem_idx);
361 if (GET_LMASK(arg2) <= 1)
362 do_sb(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 8), mem_idx);
364 if (GET_LMASK(arg2) == 0)
365 do_sb(env, GET_OFFSET(arg2, 3), (uint8_t)arg1, mem_idx);
368 void helper_swr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
371 do_sb(env, arg2, (uint8_t)arg1, mem_idx);
373 if (GET_LMASK(arg2) >= 1)
374 do_sb(env, GET_OFFSET(arg2, -1), (uint8_t)(arg1 >> 8), mem_idx);
376 if (GET_LMASK(arg2) >= 2)
377 do_sb(env, GET_OFFSET(arg2, -2), (uint8_t)(arg1 >> 16), mem_idx);
379 if (GET_LMASK(arg2) == 3)
380 do_sb(env, GET_OFFSET(arg2, -3), (uint8_t)(arg1 >> 24), mem_idx);
383 #if defined(TARGET_MIPS64)
384 /* "half" load and stores. We must do the memory access inline,
385 or fault handling won't work. */
387 #ifdef TARGET_WORDS_BIGENDIAN
388 #define GET_LMASK64(v) ((v) & 7)
390 #define GET_LMASK64(v) (((v) & 7) ^ 7)
393 void helper_sdl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
396 do_sb(env, arg2, (uint8_t)(arg1 >> 56), mem_idx);
398 if (GET_LMASK64(arg2) <= 6)
399 do_sb(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 48), mem_idx);
401 if (GET_LMASK64(arg2) <= 5)
402 do_sb(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 40), mem_idx);
404 if (GET_LMASK64(arg2) <= 4)
405 do_sb(env, GET_OFFSET(arg2, 3), (uint8_t)(arg1 >> 32), mem_idx);
407 if (GET_LMASK64(arg2) <= 3)
408 do_sb(env, GET_OFFSET(arg2, 4), (uint8_t)(arg1 >> 24), mem_idx);
410 if (GET_LMASK64(arg2) <= 2)
411 do_sb(env, GET_OFFSET(arg2, 5), (uint8_t)(arg1 >> 16), mem_idx);
413 if (GET_LMASK64(arg2) <= 1)
414 do_sb(env, GET_OFFSET(arg2, 6), (uint8_t)(arg1 >> 8), mem_idx);
416 if (GET_LMASK64(arg2) <= 0)
417 do_sb(env, GET_OFFSET(arg2, 7), (uint8_t)arg1, mem_idx);
420 void helper_sdr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
423 do_sb(env, arg2, (uint8_t)arg1, mem_idx);
425 if (GET_LMASK64(arg2) >= 1)
426 do_sb(env, GET_OFFSET(arg2, -1), (uint8_t)(arg1 >> 8), mem_idx);
428 if (GET_LMASK64(arg2) >= 2)
429 do_sb(env, GET_OFFSET(arg2, -2), (uint8_t)(arg1 >> 16), mem_idx);
431 if (GET_LMASK64(arg2) >= 3)
432 do_sb(env, GET_OFFSET(arg2, -3), (uint8_t)(arg1 >> 24), mem_idx);
434 if (GET_LMASK64(arg2) >= 4)
435 do_sb(env, GET_OFFSET(arg2, -4), (uint8_t)(arg1 >> 32), mem_idx);
437 if (GET_LMASK64(arg2) >= 5)
438 do_sb(env, GET_OFFSET(arg2, -5), (uint8_t)(arg1 >> 40), mem_idx);
440 if (GET_LMASK64(arg2) >= 6)
441 do_sb(env, GET_OFFSET(arg2, -6), (uint8_t)(arg1 >> 48), mem_idx);
443 if (GET_LMASK64(arg2) == 7)
444 do_sb(env, GET_OFFSET(arg2, -7), (uint8_t)(arg1 >> 56), mem_idx);
446 #endif /* TARGET_MIPS64 */
448 static const int multiple_regs[] = { 16, 17, 18, 19, 20, 21, 22, 23, 30 };
450 void helper_lwm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
453 target_ulong base_reglist = reglist & 0xf;
454 target_ulong do_r31 = reglist & 0x10;
456 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
459 for (i = 0; i < base_reglist; i++) {
460 env->active_tc.gpr[multiple_regs[i]] =
461 (target_long)do_lw(env, addr, mem_idx);
467 env->active_tc.gpr[31] = (target_long)do_lw(env, addr, mem_idx);
471 void helper_swm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
474 target_ulong base_reglist = reglist & 0xf;
475 target_ulong do_r31 = reglist & 0x10;
477 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
480 for (i = 0; i < base_reglist; i++) {
481 do_sw(env, addr, env->active_tc.gpr[multiple_regs[i]], mem_idx);
487 do_sw(env, addr, env->active_tc.gpr[31], mem_idx);
491 #if defined(TARGET_MIPS64)
492 void helper_ldm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
495 target_ulong base_reglist = reglist & 0xf;
496 target_ulong do_r31 = reglist & 0x10;
498 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
501 for (i = 0; i < base_reglist; i++) {
502 env->active_tc.gpr[multiple_regs[i]] = do_ld(env, addr, mem_idx);
508 env->active_tc.gpr[31] = do_ld(env, addr, mem_idx);
512 void helper_sdm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
515 target_ulong base_reglist = reglist & 0xf;
516 target_ulong do_r31 = reglist & 0x10;
518 if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
521 for (i = 0; i < base_reglist; i++) {
522 do_sd(env, addr, env->active_tc.gpr[multiple_regs[i]], mem_idx);
528 do_sd(env, addr, env->active_tc.gpr[31], mem_idx);
533 #ifndef CONFIG_USER_ONLY
535 static bool mips_vpe_is_wfi(MIPSCPU *c)
537 CPUMIPSState *env = &c->env;
539 /* If the VPE is halted but otherwise active, it means it's waiting for
541 return env->halted && mips_vpe_active(env);
544 static inline void mips_vpe_wake(CPUMIPSState *c)
546 /* Dont set ->halted = 0 directly, let it be done via cpu_has_work
547 because there might be other conditions that state that c should
549 cpu_interrupt(c, CPU_INTERRUPT_WAKE);
552 static inline void mips_vpe_sleep(MIPSCPU *cpu)
554 CPUMIPSState *c = &cpu->env;
556 /* The VPE was shut off, really go to bed.
557 Reset any old _WAKE requests. */
559 cpu_reset_interrupt(c, CPU_INTERRUPT_WAKE);
562 static inline void mips_tc_wake(MIPSCPU *cpu, int tc)
564 CPUMIPSState *c = &cpu->env;
566 /* FIXME: TC reschedule. */
567 if (mips_vpe_active(c) && !mips_vpe_is_wfi(cpu)) {
572 static inline void mips_tc_sleep(MIPSCPU *cpu, int tc)
574 CPUMIPSState *c = &cpu->env;
576 /* FIXME: TC reschedule. */
577 if (!mips_vpe_active(c)) {
582 /* tc should point to an int with the value of the global TC index.
583 This function will transform it into a local index within the
584 returned CPUMIPSState.
586 FIXME: This code assumes that all VPEs have the same number of TCs,
587 which depends on runtime setup. Can probably be fixed by
588 walking the list of CPUMIPSStates. */
589 static CPUMIPSState *mips_cpu_map_tc(CPUMIPSState *env, int *tc)
592 int vpe_idx, nr_threads = env->nr_threads;
595 if (!(env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP))) {
596 /* Not allowed to address other CPUs. */
597 *tc = env->current_tc;
601 vpe_idx = tc_idx / nr_threads;
602 *tc = tc_idx % nr_threads;
603 other = qemu_get_cpu(vpe_idx);
604 return other ? other : env;
607 /* The per VPE CP0_Status register shares some fields with the per TC
608 CP0_TCStatus registers. These fields are wired to the same registers,
609 so changes to either of them should be reflected on both registers.
611 Also, EntryHi shares the bottom 8 bit ASID with TCStauts.
613 These helper call synchronizes the regs for a given cpu. */
615 /* Called for updates to CP0_Status. */
616 static void sync_c0_status(CPUMIPSState *env, CPUMIPSState *cpu, int tc)
618 int32_t tcstatus, *tcst;
619 uint32_t v = cpu->CP0_Status;
620 uint32_t cu, mx, asid, ksu;
621 uint32_t mask = ((1 << CP0TCSt_TCU3)
622 | (1 << CP0TCSt_TCU2)
623 | (1 << CP0TCSt_TCU1)
624 | (1 << CP0TCSt_TCU0)
626 | (3 << CP0TCSt_TKSU)
627 | (0xff << CP0TCSt_TASID));
629 cu = (v >> CP0St_CU0) & 0xf;
630 mx = (v >> CP0St_MX) & 0x1;
631 ksu = (v >> CP0St_KSU) & 0x3;
632 asid = env->CP0_EntryHi & 0xff;
634 tcstatus = cu << CP0TCSt_TCU0;
635 tcstatus |= mx << CP0TCSt_TMX;
636 tcstatus |= ksu << CP0TCSt_TKSU;
639 if (tc == cpu->current_tc) {
640 tcst = &cpu->active_tc.CP0_TCStatus;
642 tcst = &cpu->tcs[tc].CP0_TCStatus;
650 /* Called for updates to CP0_TCStatus. */
651 static void sync_c0_tcstatus(CPUMIPSState *cpu, int tc,
655 uint32_t tcu, tmx, tasid, tksu;
656 uint32_t mask = ((1 << CP0St_CU3)
663 tcu = (v >> CP0TCSt_TCU0) & 0xf;
664 tmx = (v >> CP0TCSt_TMX) & 0x1;
666 tksu = (v >> CP0TCSt_TKSU) & 0x3;
668 status = tcu << CP0St_CU0;
669 status |= tmx << CP0St_MX;
670 status |= tksu << CP0St_KSU;
672 cpu->CP0_Status &= ~mask;
673 cpu->CP0_Status |= status;
675 /* Sync the TASID with EntryHi. */
676 cpu->CP0_EntryHi &= ~0xff;
677 cpu->CP0_EntryHi = tasid;
682 /* Called for updates to CP0_EntryHi. */
683 static void sync_c0_entryhi(CPUMIPSState *cpu, int tc)
686 uint32_t asid, v = cpu->CP0_EntryHi;
690 if (tc == cpu->current_tc) {
691 tcst = &cpu->active_tc.CP0_TCStatus;
693 tcst = &cpu->tcs[tc].CP0_TCStatus;
701 target_ulong helper_mfc0_mvpcontrol(CPUMIPSState *env)
703 return env->mvp->CP0_MVPControl;
706 target_ulong helper_mfc0_mvpconf0(CPUMIPSState *env)
708 return env->mvp->CP0_MVPConf0;
711 target_ulong helper_mfc0_mvpconf1(CPUMIPSState *env)
713 return env->mvp->CP0_MVPConf1;
716 target_ulong helper_mfc0_random(CPUMIPSState *env)
718 return (int32_t)cpu_mips_get_random(env);
721 target_ulong helper_mfc0_tcstatus(CPUMIPSState *env)
723 return env->active_tc.CP0_TCStatus;
726 target_ulong helper_mftc0_tcstatus(CPUMIPSState *env)
728 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
729 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
731 if (other_tc == other->current_tc)
732 return other->active_tc.CP0_TCStatus;
734 return other->tcs[other_tc].CP0_TCStatus;
737 target_ulong helper_mfc0_tcbind(CPUMIPSState *env)
739 return env->active_tc.CP0_TCBind;
742 target_ulong helper_mftc0_tcbind(CPUMIPSState *env)
744 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
745 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
747 if (other_tc == other->current_tc)
748 return other->active_tc.CP0_TCBind;
750 return other->tcs[other_tc].CP0_TCBind;
753 target_ulong helper_mfc0_tcrestart(CPUMIPSState *env)
755 return env->active_tc.PC;
758 target_ulong helper_mftc0_tcrestart(CPUMIPSState *env)
760 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
761 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
763 if (other_tc == other->current_tc)
764 return other->active_tc.PC;
766 return other->tcs[other_tc].PC;
769 target_ulong helper_mfc0_tchalt(CPUMIPSState *env)
771 return env->active_tc.CP0_TCHalt;
774 target_ulong helper_mftc0_tchalt(CPUMIPSState *env)
776 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
777 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
779 if (other_tc == other->current_tc)
780 return other->active_tc.CP0_TCHalt;
782 return other->tcs[other_tc].CP0_TCHalt;
785 target_ulong helper_mfc0_tccontext(CPUMIPSState *env)
787 return env->active_tc.CP0_TCContext;
790 target_ulong helper_mftc0_tccontext(CPUMIPSState *env)
792 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
793 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
795 if (other_tc == other->current_tc)
796 return other->active_tc.CP0_TCContext;
798 return other->tcs[other_tc].CP0_TCContext;
801 target_ulong helper_mfc0_tcschedule(CPUMIPSState *env)
803 return env->active_tc.CP0_TCSchedule;
806 target_ulong helper_mftc0_tcschedule(CPUMIPSState *env)
808 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
809 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
811 if (other_tc == other->current_tc)
812 return other->active_tc.CP0_TCSchedule;
814 return other->tcs[other_tc].CP0_TCSchedule;
817 target_ulong helper_mfc0_tcschefback(CPUMIPSState *env)
819 return env->active_tc.CP0_TCScheFBack;
822 target_ulong helper_mftc0_tcschefback(CPUMIPSState *env)
824 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
825 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
827 if (other_tc == other->current_tc)
828 return other->active_tc.CP0_TCScheFBack;
830 return other->tcs[other_tc].CP0_TCScheFBack;
833 target_ulong helper_mfc0_count(CPUMIPSState *env)
835 return (int32_t)cpu_mips_get_count(env);
838 target_ulong helper_mftc0_entryhi(CPUMIPSState *env)
840 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
841 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
843 return other->CP0_EntryHi;
846 target_ulong helper_mftc0_cause(CPUMIPSState *env)
848 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
850 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
852 if (other_tc == other->current_tc) {
853 tccause = other->CP0_Cause;
855 tccause = other->CP0_Cause;
861 target_ulong helper_mftc0_status(CPUMIPSState *env)
863 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
864 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
866 return other->CP0_Status;
869 target_ulong helper_mfc0_lladdr(CPUMIPSState *env)
871 return (int32_t)(env->lladdr >> env->CP0_LLAddr_shift);
874 target_ulong helper_mfc0_watchlo(CPUMIPSState *env, uint32_t sel)
876 return (int32_t)env->CP0_WatchLo[sel];
879 target_ulong helper_mfc0_watchhi(CPUMIPSState *env, uint32_t sel)
881 return env->CP0_WatchHi[sel];
884 target_ulong helper_mfc0_debug(CPUMIPSState *env)
886 target_ulong t0 = env->CP0_Debug;
887 if (env->hflags & MIPS_HFLAG_DM)
893 target_ulong helper_mftc0_debug(CPUMIPSState *env)
895 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
897 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
899 if (other_tc == other->current_tc)
900 tcstatus = other->active_tc.CP0_Debug_tcstatus;
902 tcstatus = other->tcs[other_tc].CP0_Debug_tcstatus;
904 /* XXX: Might be wrong, check with EJTAG spec. */
905 return (other->CP0_Debug & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) |
906 (tcstatus & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt)));
909 #if defined(TARGET_MIPS64)
910 target_ulong helper_dmfc0_tcrestart(CPUMIPSState *env)
912 return env->active_tc.PC;
915 target_ulong helper_dmfc0_tchalt(CPUMIPSState *env)
917 return env->active_tc.CP0_TCHalt;
920 target_ulong helper_dmfc0_tccontext(CPUMIPSState *env)
922 return env->active_tc.CP0_TCContext;
925 target_ulong helper_dmfc0_tcschedule(CPUMIPSState *env)
927 return env->active_tc.CP0_TCSchedule;
930 target_ulong helper_dmfc0_tcschefback(CPUMIPSState *env)
932 return env->active_tc.CP0_TCScheFBack;
935 target_ulong helper_dmfc0_lladdr(CPUMIPSState *env)
937 return env->lladdr >> env->CP0_LLAddr_shift;
940 target_ulong helper_dmfc0_watchlo(CPUMIPSState *env, uint32_t sel)
942 return env->CP0_WatchLo[sel];
944 #endif /* TARGET_MIPS64 */
946 void helper_mtc0_index(CPUMIPSState *env, target_ulong arg1)
949 unsigned int tmp = env->tlb->nb_tlb;
955 env->CP0_Index = (env->CP0_Index & 0x80000000) | (arg1 & (num - 1));
958 void helper_mtc0_mvpcontrol(CPUMIPSState *env, target_ulong arg1)
963 if (env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP))
964 mask |= (1 << CP0MVPCo_CPA) | (1 << CP0MVPCo_VPC) |
966 if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
967 mask |= (1 << CP0MVPCo_STLB);
968 newval = (env->mvp->CP0_MVPControl & ~mask) | (arg1 & mask);
970 // TODO: Enable/disable shared TLB, enable/disable VPEs.
972 env->mvp->CP0_MVPControl = newval;
975 void helper_mtc0_vpecontrol(CPUMIPSState *env, target_ulong arg1)
980 mask = (1 << CP0VPECo_YSI) | (1 << CP0VPECo_GSI) |
981 (1 << CP0VPECo_TE) | (0xff << CP0VPECo_TargTC);
982 newval = (env->CP0_VPEControl & ~mask) | (arg1 & mask);
984 /* Yield scheduler intercept not implemented. */
985 /* Gating storage scheduler intercept not implemented. */
987 // TODO: Enable/disable TCs.
989 env->CP0_VPEControl = newval;
992 void helper_mttc0_vpecontrol(CPUMIPSState *env, target_ulong arg1)
994 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
995 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
999 mask = (1 << CP0VPECo_YSI) | (1 << CP0VPECo_GSI) |
1000 (1 << CP0VPECo_TE) | (0xff << CP0VPECo_TargTC);
1001 newval = (other->CP0_VPEControl & ~mask) | (arg1 & mask);
1003 /* TODO: Enable/disable TCs. */
1005 other->CP0_VPEControl = newval;
1008 target_ulong helper_mftc0_vpecontrol(CPUMIPSState *env)
1010 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1011 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1012 /* FIXME: Mask away return zero on read bits. */
1013 return other->CP0_VPEControl;
1016 target_ulong helper_mftc0_vpeconf0(CPUMIPSState *env)
1018 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1019 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1021 return other->CP0_VPEConf0;
1024 void helper_mtc0_vpeconf0(CPUMIPSState *env, target_ulong arg1)
1029 if (env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) {
1030 if (env->CP0_VPEConf0 & (1 << CP0VPEC0_VPA))
1031 mask |= (0xff << CP0VPEC0_XTC);
1032 mask |= (1 << CP0VPEC0_MVP) | (1 << CP0VPEC0_VPA);
1034 newval = (env->CP0_VPEConf0 & ~mask) | (arg1 & mask);
1036 // TODO: TC exclusive handling due to ERL/EXL.
1038 env->CP0_VPEConf0 = newval;
1041 void helper_mttc0_vpeconf0(CPUMIPSState *env, target_ulong arg1)
1043 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1044 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1048 mask |= (1 << CP0VPEC0_MVP) | (1 << CP0VPEC0_VPA);
1049 newval = (other->CP0_VPEConf0 & ~mask) | (arg1 & mask);
1051 /* TODO: TC exclusive handling due to ERL/EXL. */
1052 other->CP0_VPEConf0 = newval;
1055 void helper_mtc0_vpeconf1(CPUMIPSState *env, target_ulong arg1)
1060 if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1061 mask |= (0xff << CP0VPEC1_NCX) | (0xff << CP0VPEC1_NCP2) |
1062 (0xff << CP0VPEC1_NCP1);
1063 newval = (env->CP0_VPEConf1 & ~mask) | (arg1 & mask);
1065 /* UDI not implemented. */
1066 /* CP2 not implemented. */
1068 // TODO: Handle FPU (CP1) binding.
1070 env->CP0_VPEConf1 = newval;
1073 void helper_mtc0_yqmask(CPUMIPSState *env, target_ulong arg1)
1075 /* Yield qualifier inputs not implemented. */
1076 env->CP0_YQMask = 0x00000000;
1079 void helper_mtc0_vpeopt(CPUMIPSState *env, target_ulong arg1)
1081 env->CP0_VPEOpt = arg1 & 0x0000ffff;
1084 void helper_mtc0_entrylo0(CPUMIPSState *env, target_ulong arg1)
1086 /* Large physaddr (PABITS) not implemented */
1087 /* 1k pages not implemented */
1088 env->CP0_EntryLo0 = arg1 & 0x3FFFFFFF;
1091 void helper_mtc0_tcstatus(CPUMIPSState *env, target_ulong arg1)
1093 uint32_t mask = env->CP0_TCStatus_rw_bitmask;
1096 newval = (env->active_tc.CP0_TCStatus & ~mask) | (arg1 & mask);
1098 env->active_tc.CP0_TCStatus = newval;
1099 sync_c0_tcstatus(env, env->current_tc, newval);
1102 void helper_mttc0_tcstatus(CPUMIPSState *env, target_ulong arg1)
1104 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1105 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1107 if (other_tc == other->current_tc)
1108 other->active_tc.CP0_TCStatus = arg1;
1110 other->tcs[other_tc].CP0_TCStatus = arg1;
1111 sync_c0_tcstatus(other, other_tc, arg1);
1114 void helper_mtc0_tcbind(CPUMIPSState *env, target_ulong arg1)
1116 uint32_t mask = (1 << CP0TCBd_TBE);
1119 if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1120 mask |= (1 << CP0TCBd_CurVPE);
1121 newval = (env->active_tc.CP0_TCBind & ~mask) | (arg1 & mask);
1122 env->active_tc.CP0_TCBind = newval;
1125 void helper_mttc0_tcbind(CPUMIPSState *env, target_ulong arg1)
1127 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1128 uint32_t mask = (1 << CP0TCBd_TBE);
1130 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1132 if (other->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1133 mask |= (1 << CP0TCBd_CurVPE);
1134 if (other_tc == other->current_tc) {
1135 newval = (other->active_tc.CP0_TCBind & ~mask) | (arg1 & mask);
1136 other->active_tc.CP0_TCBind = newval;
1138 newval = (other->tcs[other_tc].CP0_TCBind & ~mask) | (arg1 & mask);
1139 other->tcs[other_tc].CP0_TCBind = newval;
1143 void helper_mtc0_tcrestart(CPUMIPSState *env, target_ulong arg1)
1145 env->active_tc.PC = arg1;
1146 env->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
1148 /* MIPS16 not implemented. */
1151 void helper_mttc0_tcrestart(CPUMIPSState *env, target_ulong arg1)
1153 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1154 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1156 if (other_tc == other->current_tc) {
1157 other->active_tc.PC = arg1;
1158 other->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
1159 other->lladdr = 0ULL;
1160 /* MIPS16 not implemented. */
1162 other->tcs[other_tc].PC = arg1;
1163 other->tcs[other_tc].CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
1164 other->lladdr = 0ULL;
1165 /* MIPS16 not implemented. */
1169 void helper_mtc0_tchalt(CPUMIPSState *env, target_ulong arg1)
1171 MIPSCPU *cpu = mips_env_get_cpu(env);
1173 env->active_tc.CP0_TCHalt = arg1 & 0x1;
1175 // TODO: Halt TC / Restart (if allocated+active) TC.
1176 if (env->active_tc.CP0_TCHalt & 1) {
1177 mips_tc_sleep(cpu, env->current_tc);
1179 mips_tc_wake(cpu, env->current_tc);
1183 void helper_mttc0_tchalt(CPUMIPSState *env, target_ulong arg1)
1185 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1186 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1187 MIPSCPU *other_cpu = mips_env_get_cpu(other);
1189 // TODO: Halt TC / Restart (if allocated+active) TC.
1191 if (other_tc == other->current_tc)
1192 other->active_tc.CP0_TCHalt = arg1;
1194 other->tcs[other_tc].CP0_TCHalt = arg1;
1197 mips_tc_sleep(other_cpu, other_tc);
1199 mips_tc_wake(other_cpu, other_tc);
1203 void helper_mtc0_tccontext(CPUMIPSState *env, target_ulong arg1)
1205 env->active_tc.CP0_TCContext = arg1;
1208 void helper_mttc0_tccontext(CPUMIPSState *env, target_ulong arg1)
1210 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1211 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1213 if (other_tc == other->current_tc)
1214 other->active_tc.CP0_TCContext = arg1;
1216 other->tcs[other_tc].CP0_TCContext = arg1;
1219 void helper_mtc0_tcschedule(CPUMIPSState *env, target_ulong arg1)
1221 env->active_tc.CP0_TCSchedule = arg1;
1224 void helper_mttc0_tcschedule(CPUMIPSState *env, target_ulong arg1)
1226 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1227 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1229 if (other_tc == other->current_tc)
1230 other->active_tc.CP0_TCSchedule = arg1;
1232 other->tcs[other_tc].CP0_TCSchedule = arg1;
1235 void helper_mtc0_tcschefback(CPUMIPSState *env, target_ulong arg1)
1237 env->active_tc.CP0_TCScheFBack = arg1;
1240 void helper_mttc0_tcschefback(CPUMIPSState *env, target_ulong arg1)
1242 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1243 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1245 if (other_tc == other->current_tc)
1246 other->active_tc.CP0_TCScheFBack = arg1;
1248 other->tcs[other_tc].CP0_TCScheFBack = arg1;
1251 void helper_mtc0_entrylo1(CPUMIPSState *env, target_ulong arg1)
1253 /* Large physaddr (PABITS) not implemented */
1254 /* 1k pages not implemented */
1255 env->CP0_EntryLo1 = arg1 & 0x3FFFFFFF;
1258 void helper_mtc0_context(CPUMIPSState *env, target_ulong arg1)
1260 env->CP0_Context = (env->CP0_Context & 0x007FFFFF) | (arg1 & ~0x007FFFFF);
1263 void helper_mtc0_pagemask(CPUMIPSState *env, target_ulong arg1)
1265 /* 1k pages not implemented */
1266 env->CP0_PageMask = arg1 & (0x1FFFFFFF & (TARGET_PAGE_MASK << 1));
1269 void helper_mtc0_pagegrain(CPUMIPSState *env, target_ulong arg1)
1271 /* SmartMIPS not implemented */
1272 /* Large physaddr (PABITS) not implemented */
1273 /* 1k pages not implemented */
1274 env->CP0_PageGrain = 0;
1277 void helper_mtc0_wired(CPUMIPSState *env, target_ulong arg1)
1279 env->CP0_Wired = arg1 % env->tlb->nb_tlb;
1282 void helper_mtc0_srsconf0(CPUMIPSState *env, target_ulong arg1)
1284 env->CP0_SRSConf0 |= arg1 & env->CP0_SRSConf0_rw_bitmask;
1287 void helper_mtc0_srsconf1(CPUMIPSState *env, target_ulong arg1)
1289 env->CP0_SRSConf1 |= arg1 & env->CP0_SRSConf1_rw_bitmask;
1292 void helper_mtc0_srsconf2(CPUMIPSState *env, target_ulong arg1)
1294 env->CP0_SRSConf2 |= arg1 & env->CP0_SRSConf2_rw_bitmask;
1297 void helper_mtc0_srsconf3(CPUMIPSState *env, target_ulong arg1)
1299 env->CP0_SRSConf3 |= arg1 & env->CP0_SRSConf3_rw_bitmask;
1302 void helper_mtc0_srsconf4(CPUMIPSState *env, target_ulong arg1)
1304 env->CP0_SRSConf4 |= arg1 & env->CP0_SRSConf4_rw_bitmask;
1307 void helper_mtc0_hwrena(CPUMIPSState *env, target_ulong arg1)
1309 env->CP0_HWREna = arg1 & 0x0000000F;
1312 void helper_mtc0_count(CPUMIPSState *env, target_ulong arg1)
1314 cpu_mips_store_count(env, arg1);
1317 void helper_mtc0_entryhi(CPUMIPSState *env, target_ulong arg1)
1319 target_ulong old, val;
1321 /* 1k pages not implemented */
1322 val = arg1 & ((TARGET_PAGE_MASK << 1) | 0xFF);
1323 #if defined(TARGET_MIPS64)
1324 val &= env->SEGMask;
1326 old = env->CP0_EntryHi;
1327 env->CP0_EntryHi = val;
1328 if (env->CP0_Config3 & (1 << CP0C3_MT)) {
1329 sync_c0_entryhi(env, env->current_tc);
1331 /* If the ASID changes, flush qemu's TLB. */
1332 if ((old & 0xFF) != (val & 0xFF))
1333 cpu_mips_tlb_flush(env, 1);
1336 void helper_mttc0_entryhi(CPUMIPSState *env, target_ulong arg1)
1338 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1339 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1341 other->CP0_EntryHi = arg1;
1342 sync_c0_entryhi(other, other_tc);
1345 void helper_mtc0_compare(CPUMIPSState *env, target_ulong arg1)
1347 cpu_mips_store_compare(env, arg1);
1350 void helper_mtc0_status(CPUMIPSState *env, target_ulong arg1)
1353 uint32_t mask = env->CP0_Status_rw_bitmask;
1356 old = env->CP0_Status;
1357 env->CP0_Status = (env->CP0_Status & ~mask) | val;
1358 if (env->CP0_Config3 & (1 << CP0C3_MT)) {
1359 sync_c0_status(env, env, env->current_tc);
1361 compute_hflags(env);
1364 if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
1365 qemu_log("Status %08x (%08x) => %08x (%08x) Cause %08x",
1366 old, old & env->CP0_Cause & CP0Ca_IP_mask,
1367 val, val & env->CP0_Cause & CP0Ca_IP_mask,
1369 switch (env->hflags & MIPS_HFLAG_KSU) {
1370 case MIPS_HFLAG_UM: qemu_log(", UM\n"); break;
1371 case MIPS_HFLAG_SM: qemu_log(", SM\n"); break;
1372 case MIPS_HFLAG_KM: qemu_log("\n"); break;
1373 default: cpu_abort(env, "Invalid MMU mode!\n"); break;
1378 void helper_mttc0_status(CPUMIPSState *env, target_ulong arg1)
1380 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1381 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1383 other->CP0_Status = arg1 & ~0xf1000018;
1384 sync_c0_status(env, other, other_tc);
1387 void helper_mtc0_intctl(CPUMIPSState *env, target_ulong arg1)
1389 /* vectored interrupts not implemented, no performance counters. */
1390 env->CP0_IntCtl = (env->CP0_IntCtl & ~0x000003e0) | (arg1 & 0x000003e0);
1393 void helper_mtc0_srsctl(CPUMIPSState *env, target_ulong arg1)
1395 uint32_t mask = (0xf << CP0SRSCtl_ESS) | (0xf << CP0SRSCtl_PSS);
1396 env->CP0_SRSCtl = (env->CP0_SRSCtl & ~mask) | (arg1 & mask);
1399 static void mtc0_cause(CPUMIPSState *cpu, target_ulong arg1)
1401 uint32_t mask = 0x00C00300;
1402 uint32_t old = cpu->CP0_Cause;
1405 if (cpu->insn_flags & ISA_MIPS32R2) {
1406 mask |= 1 << CP0Ca_DC;
1409 cpu->CP0_Cause = (cpu->CP0_Cause & ~mask) | (arg1 & mask);
1411 if ((old ^ cpu->CP0_Cause) & (1 << CP0Ca_DC)) {
1412 if (cpu->CP0_Cause & (1 << CP0Ca_DC)) {
1413 cpu_mips_stop_count(cpu);
1415 cpu_mips_start_count(cpu);
1419 /* Set/reset software interrupts */
1420 for (i = 0 ; i < 2 ; i++) {
1421 if ((old ^ cpu->CP0_Cause) & (1 << (CP0Ca_IP + i))) {
1422 cpu_mips_soft_irq(cpu, i, cpu->CP0_Cause & (1 << (CP0Ca_IP + i)));
1427 void helper_mtc0_cause(CPUMIPSState *env, target_ulong arg1)
1429 mtc0_cause(env, arg1);
1432 void helper_mttc0_cause(CPUMIPSState *env, target_ulong arg1)
1434 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1435 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1437 mtc0_cause(other, arg1);
1440 target_ulong helper_mftc0_epc(CPUMIPSState *env)
1442 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1443 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1445 return other->CP0_EPC;
1448 target_ulong helper_mftc0_ebase(CPUMIPSState *env)
1450 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1451 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1453 return other->CP0_EBase;
1456 void helper_mtc0_ebase(CPUMIPSState *env, target_ulong arg1)
1458 /* vectored interrupts not implemented */
1459 env->CP0_EBase = (env->CP0_EBase & ~0x3FFFF000) | (arg1 & 0x3FFFF000);
1462 void helper_mttc0_ebase(CPUMIPSState *env, target_ulong arg1)
1464 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1465 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1466 other->CP0_EBase = (other->CP0_EBase & ~0x3FFFF000) | (arg1 & 0x3FFFF000);
1469 target_ulong helper_mftc0_configx(CPUMIPSState *env, target_ulong idx)
1471 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1472 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1475 case 0: return other->CP0_Config0;
1476 case 1: return other->CP0_Config1;
1477 case 2: return other->CP0_Config2;
1478 case 3: return other->CP0_Config3;
1479 /* 4 and 5 are reserved. */
1480 case 6: return other->CP0_Config6;
1481 case 7: return other->CP0_Config7;
1488 void helper_mtc0_config0(CPUMIPSState *env, target_ulong arg1)
1490 env->CP0_Config0 = (env->CP0_Config0 & 0x81FFFFF8) | (arg1 & 0x00000007);
1493 void helper_mtc0_config2(CPUMIPSState *env, target_ulong arg1)
1495 /* tertiary/secondary caches not implemented */
1496 env->CP0_Config2 = (env->CP0_Config2 & 0x8FFF0FFF);
1499 void helper_mtc0_lladdr(CPUMIPSState *env, target_ulong arg1)
1501 target_long mask = env->CP0_LLAddr_rw_bitmask;
1502 arg1 = arg1 << env->CP0_LLAddr_shift;
1503 env->lladdr = (env->lladdr & ~mask) | (arg1 & mask);
1506 void helper_mtc0_watchlo(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1508 /* Watch exceptions for instructions, data loads, data stores
1510 env->CP0_WatchLo[sel] = (arg1 & ~0x7);
1513 void helper_mtc0_watchhi(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1515 env->CP0_WatchHi[sel] = (arg1 & 0x40FF0FF8);
1516 env->CP0_WatchHi[sel] &= ~(env->CP0_WatchHi[sel] & arg1 & 0x7);
1519 void helper_mtc0_xcontext(CPUMIPSState *env, target_ulong arg1)
1521 target_ulong mask = (1ULL << (env->SEGBITS - 7)) - 1;
1522 env->CP0_XContext = (env->CP0_XContext & mask) | (arg1 & ~mask);
1525 void helper_mtc0_framemask(CPUMIPSState *env, target_ulong arg1)
1527 env->CP0_Framemask = arg1; /* XXX */
1530 void helper_mtc0_debug(CPUMIPSState *env, target_ulong arg1)
1532 env->CP0_Debug = (env->CP0_Debug & 0x8C03FC1F) | (arg1 & 0x13300120);
1533 if (arg1 & (1 << CP0DB_DM))
1534 env->hflags |= MIPS_HFLAG_DM;
1536 env->hflags &= ~MIPS_HFLAG_DM;
1539 void helper_mttc0_debug(CPUMIPSState *env, target_ulong arg1)
1541 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1542 uint32_t val = arg1 & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt));
1543 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1545 /* XXX: Might be wrong, check with EJTAG spec. */
1546 if (other_tc == other->current_tc)
1547 other->active_tc.CP0_Debug_tcstatus = val;
1549 other->tcs[other_tc].CP0_Debug_tcstatus = val;
1550 other->CP0_Debug = (other->CP0_Debug &
1551 ((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) |
1552 (arg1 & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt)));
1555 void helper_mtc0_performance0(CPUMIPSState *env, target_ulong arg1)
1557 env->CP0_Performance0 = arg1 & 0x000007ff;
1560 void helper_mtc0_taglo(CPUMIPSState *env, target_ulong arg1)
1562 env->CP0_TagLo = arg1 & 0xFFFFFCF6;
1565 void helper_mtc0_datalo(CPUMIPSState *env, target_ulong arg1)
1567 env->CP0_DataLo = arg1; /* XXX */
1570 void helper_mtc0_taghi(CPUMIPSState *env, target_ulong arg1)
1572 env->CP0_TagHi = arg1; /* XXX */
1575 void helper_mtc0_datahi(CPUMIPSState *env, target_ulong arg1)
1577 env->CP0_DataHi = arg1; /* XXX */
1580 /* MIPS MT functions */
1581 target_ulong helper_mftgpr(CPUMIPSState *env, uint32_t sel)
1583 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1584 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1586 if (other_tc == other->current_tc)
1587 return other->active_tc.gpr[sel];
1589 return other->tcs[other_tc].gpr[sel];
1592 target_ulong helper_mftlo(CPUMIPSState *env, uint32_t sel)
1594 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1595 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1597 if (other_tc == other->current_tc)
1598 return other->active_tc.LO[sel];
1600 return other->tcs[other_tc].LO[sel];
1603 target_ulong helper_mfthi(CPUMIPSState *env, uint32_t sel)
1605 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1606 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1608 if (other_tc == other->current_tc)
1609 return other->active_tc.HI[sel];
1611 return other->tcs[other_tc].HI[sel];
1614 target_ulong helper_mftacx(CPUMIPSState *env, uint32_t sel)
1616 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1617 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1619 if (other_tc == other->current_tc)
1620 return other->active_tc.ACX[sel];
1622 return other->tcs[other_tc].ACX[sel];
1625 target_ulong helper_mftdsp(CPUMIPSState *env)
1627 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1628 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1630 if (other_tc == other->current_tc)
1631 return other->active_tc.DSPControl;
1633 return other->tcs[other_tc].DSPControl;
1636 void helper_mttgpr(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1638 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1639 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1641 if (other_tc == other->current_tc)
1642 other->active_tc.gpr[sel] = arg1;
1644 other->tcs[other_tc].gpr[sel] = arg1;
1647 void helper_mttlo(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1649 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1650 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1652 if (other_tc == other->current_tc)
1653 other->active_tc.LO[sel] = arg1;
1655 other->tcs[other_tc].LO[sel] = arg1;
1658 void helper_mtthi(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1660 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1661 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1663 if (other_tc == other->current_tc)
1664 other->active_tc.HI[sel] = arg1;
1666 other->tcs[other_tc].HI[sel] = arg1;
1669 void helper_mttacx(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1671 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1672 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1674 if (other_tc == other->current_tc)
1675 other->active_tc.ACX[sel] = arg1;
1677 other->tcs[other_tc].ACX[sel] = arg1;
1680 void helper_mttdsp(CPUMIPSState *env, target_ulong arg1)
1682 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1683 CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1685 if (other_tc == other->current_tc)
1686 other->active_tc.DSPControl = arg1;
1688 other->tcs[other_tc].DSPControl = arg1;
1691 /* MIPS MT functions */
1692 target_ulong helper_dmt(void)
1698 target_ulong helper_emt(void)
1704 target_ulong helper_dvpe(CPUMIPSState *env)
1706 CPUMIPSState *other_cpu_env = first_cpu;
1707 target_ulong prev = env->mvp->CP0_MVPControl;
1710 /* Turn off all VPEs except the one executing the dvpe. */
1711 if (other_cpu_env != env) {
1712 MIPSCPU *other_cpu = mips_env_get_cpu(other_cpu_env);
1714 other_cpu_env->mvp->CP0_MVPControl &= ~(1 << CP0MVPCo_EVP);
1715 mips_vpe_sleep(other_cpu);
1717 other_cpu_env = other_cpu_env->next_cpu;
1718 } while (other_cpu_env);
1722 target_ulong helper_evpe(CPUMIPSState *env)
1724 CPUMIPSState *other_cpu_env = first_cpu;
1725 target_ulong prev = env->mvp->CP0_MVPControl;
1728 MIPSCPU *other_cpu = mips_env_get_cpu(other_cpu_env);
1730 if (other_cpu_env != env
1731 /* If the VPE is WFI, don't disturb its sleep. */
1732 && !mips_vpe_is_wfi(other_cpu)) {
1733 /* Enable the VPE. */
1734 other_cpu_env->mvp->CP0_MVPControl |= (1 << CP0MVPCo_EVP);
1735 mips_vpe_wake(other_cpu_env); /* And wake it up. */
1737 other_cpu_env = other_cpu_env->next_cpu;
1738 } while (other_cpu_env);
1741 #endif /* !CONFIG_USER_ONLY */
1743 void helper_fork(target_ulong arg1, target_ulong arg2)
1745 // arg1 = rt, arg2 = rs
1747 // TODO: store to TC register
1750 target_ulong helper_yield(CPUMIPSState *env, target_ulong arg)
1752 target_long arg1 = arg;
1755 /* No scheduling policy implemented. */
1757 if (env->CP0_VPEControl & (1 << CP0VPECo_YSI) &&
1758 env->active_tc.CP0_TCStatus & (1 << CP0TCSt_DT)) {
1759 env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
1760 env->CP0_VPEControl |= 4 << CP0VPECo_EXCPT;
1761 helper_raise_exception(env, EXCP_THREAD);
1764 } else if (arg1 == 0) {
1765 if (0 /* TODO: TC underflow */) {
1766 env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
1767 helper_raise_exception(env, EXCP_THREAD);
1769 // TODO: Deallocate TC
1771 } else if (arg1 > 0) {
1772 /* Yield qualifier inputs not implemented. */
1773 env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
1774 env->CP0_VPEControl |= 2 << CP0VPECo_EXCPT;
1775 helper_raise_exception(env, EXCP_THREAD);
1777 return env->CP0_YQMask;
1780 #ifndef CONFIG_USER_ONLY
1781 /* TLB management */
1782 static void cpu_mips_tlb_flush (CPUMIPSState *env, int flush_global)
1784 /* Flush qemu's TLB and discard all shadowed entries. */
1785 tlb_flush (env, flush_global);
1786 env->tlb->tlb_in_use = env->tlb->nb_tlb;
1789 static void r4k_mips_tlb_flush_extra (CPUMIPSState *env, int first)
1791 /* Discard entries from env->tlb[first] onwards. */
1792 while (env->tlb->tlb_in_use > first) {
1793 r4k_invalidate_tlb(env, --env->tlb->tlb_in_use, 0);
1797 static void r4k_fill_tlb(CPUMIPSState *env, int idx)
1801 /* XXX: detect conflicting TLBs and raise a MCHECK exception when needed */
1802 tlb = &env->tlb->mmu.r4k.tlb[idx];
1803 tlb->VPN = env->CP0_EntryHi & (TARGET_PAGE_MASK << 1);
1804 #if defined(TARGET_MIPS64)
1805 tlb->VPN &= env->SEGMask;
1807 tlb->ASID = env->CP0_EntryHi & 0xFF;
1808 tlb->PageMask = env->CP0_PageMask;
1809 tlb->G = env->CP0_EntryLo0 & env->CP0_EntryLo1 & 1;
1810 tlb->V0 = (env->CP0_EntryLo0 & 2) != 0;
1811 tlb->D0 = (env->CP0_EntryLo0 & 4) != 0;
1812 tlb->C0 = (env->CP0_EntryLo0 >> 3) & 0x7;
1813 tlb->PFN[0] = (env->CP0_EntryLo0 >> 6) << 12;
1814 tlb->V1 = (env->CP0_EntryLo1 & 2) != 0;
1815 tlb->D1 = (env->CP0_EntryLo1 & 4) != 0;
1816 tlb->C1 = (env->CP0_EntryLo1 >> 3) & 0x7;
1817 tlb->PFN[1] = (env->CP0_EntryLo1 >> 6) << 12;
1820 void r4k_helper_tlbwi(CPUMIPSState *env)
1824 idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb;
1826 /* Discard cached TLB entries. We could avoid doing this if the
1827 tlbwi is just upgrading access permissions on the current entry;
1828 that might be a further win. */
1829 r4k_mips_tlb_flush_extra (env, env->tlb->nb_tlb);
1831 r4k_invalidate_tlb(env, idx, 0);
1832 r4k_fill_tlb(env, idx);
1835 void r4k_helper_tlbwr(CPUMIPSState *env)
1837 int r = cpu_mips_get_random(env);
1839 r4k_invalidate_tlb(env, r, 1);
1840 r4k_fill_tlb(env, r);
1843 void r4k_helper_tlbp(CPUMIPSState *env)
1852 ASID = env->CP0_EntryHi & 0xFF;
1853 for (i = 0; i < env->tlb->nb_tlb; i++) {
1854 tlb = &env->tlb->mmu.r4k.tlb[i];
1855 /* 1k pages are not supported. */
1856 mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
1857 tag = env->CP0_EntryHi & ~mask;
1858 VPN = tlb->VPN & ~mask;
1859 #if defined(TARGET_MIPS64)
1860 tag &= env->SEGMask;
1862 /* Check ASID, virtual page number & size */
1863 if ((tlb->G == 1 || tlb->ASID == ASID) && VPN == tag) {
1869 if (i == env->tlb->nb_tlb) {
1870 /* No match. Discard any shadow entries, if any of them match. */
1871 for (i = env->tlb->nb_tlb; i < env->tlb->tlb_in_use; i++) {
1872 tlb = &env->tlb->mmu.r4k.tlb[i];
1873 /* 1k pages are not supported. */
1874 mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
1875 tag = env->CP0_EntryHi & ~mask;
1876 VPN = tlb->VPN & ~mask;
1877 #if defined(TARGET_MIPS64)
1878 tag &= env->SEGMask;
1880 /* Check ASID, virtual page number & size */
1881 if ((tlb->G == 1 || tlb->ASID == ASID) && VPN == tag) {
1882 r4k_mips_tlb_flush_extra (env, i);
1887 env->CP0_Index |= 0x80000000;
1891 void r4k_helper_tlbr(CPUMIPSState *env)
1897 ASID = env->CP0_EntryHi & 0xFF;
1898 idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb;
1899 tlb = &env->tlb->mmu.r4k.tlb[idx];
1901 /* If this will change the current ASID, flush qemu's TLB. */
1902 if (ASID != tlb->ASID)
1903 cpu_mips_tlb_flush (env, 1);
1905 r4k_mips_tlb_flush_extra(env, env->tlb->nb_tlb);
1907 env->CP0_EntryHi = tlb->VPN | tlb->ASID;
1908 env->CP0_PageMask = tlb->PageMask;
1909 env->CP0_EntryLo0 = tlb->G | (tlb->V0 << 1) | (tlb->D0 << 2) |
1910 (tlb->C0 << 3) | (tlb->PFN[0] >> 6);
1911 env->CP0_EntryLo1 = tlb->G | (tlb->V1 << 1) | (tlb->D1 << 2) |
1912 (tlb->C1 << 3) | (tlb->PFN[1] >> 6);
1915 void helper_tlbwi(CPUMIPSState *env)
1917 env->tlb->helper_tlbwi(env);
1920 void helper_tlbwr(CPUMIPSState *env)
1922 env->tlb->helper_tlbwr(env);
1925 void helper_tlbp(CPUMIPSState *env)
1927 env->tlb->helper_tlbp(env);
1930 void helper_tlbr(CPUMIPSState *env)
1932 env->tlb->helper_tlbr(env);
1936 target_ulong helper_di(CPUMIPSState *env)
1938 target_ulong t0 = env->CP0_Status;
1940 env->CP0_Status = t0 & ~(1 << CP0St_IE);
1944 target_ulong helper_ei(CPUMIPSState *env)
1946 target_ulong t0 = env->CP0_Status;
1948 env->CP0_Status = t0 | (1 << CP0St_IE);
1952 static void debug_pre_eret(CPUMIPSState *env)
1954 if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
1955 qemu_log("ERET: PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx,
1956 env->active_tc.PC, env->CP0_EPC);
1957 if (env->CP0_Status & (1 << CP0St_ERL))
1958 qemu_log(" ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
1959 if (env->hflags & MIPS_HFLAG_DM)
1960 qemu_log(" DEPC " TARGET_FMT_lx, env->CP0_DEPC);
1965 static void debug_post_eret(CPUMIPSState *env)
1967 if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
1968 qemu_log(" => 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);
1974 switch (env->hflags & MIPS_HFLAG_KSU) {
1975 case MIPS_HFLAG_UM: qemu_log(", UM\n"); break;
1976 case MIPS_HFLAG_SM: qemu_log(", SM\n"); break;
1977 case MIPS_HFLAG_KM: qemu_log("\n"); break;
1978 default: cpu_abort(env, "Invalid MMU mode!\n"); break;
1983 static void set_pc(CPUMIPSState *env, target_ulong error_pc)
1985 env->active_tc.PC = error_pc & ~(target_ulong)1;
1987 env->hflags |= MIPS_HFLAG_M16;
1989 env->hflags &= ~(MIPS_HFLAG_M16);
1993 void helper_eret(CPUMIPSState *env)
1995 debug_pre_eret(env);
1996 if (env->CP0_Status & (1 << CP0St_ERL)) {
1997 set_pc(env, env->CP0_ErrorEPC);
1998 env->CP0_Status &= ~(1 << CP0St_ERL);
2000 set_pc(env, env->CP0_EPC);
2001 env->CP0_Status &= ~(1 << CP0St_EXL);
2003 compute_hflags(env);
2004 debug_post_eret(env);
2008 void helper_deret(CPUMIPSState *env)
2010 debug_pre_eret(env);
2011 set_pc(env, env->CP0_DEPC);
2013 env->hflags &= MIPS_HFLAG_DM;
2014 compute_hflags(env);
2015 debug_post_eret(env);
2018 #endif /* !CONFIG_USER_ONLY */
2020 target_ulong helper_rdhwr_cpunum(CPUMIPSState *env)
2022 if ((env->hflags & MIPS_HFLAG_CP0) ||
2023 (env->CP0_HWREna & (1 << 0)))
2024 return env->CP0_EBase & 0x3ff;
2026 helper_raise_exception(env, EXCP_RI);
2031 target_ulong helper_rdhwr_synci_step(CPUMIPSState *env)
2033 if ((env->hflags & MIPS_HFLAG_CP0) ||
2034 (env->CP0_HWREna & (1 << 1)))
2035 return env->SYNCI_Step;
2037 helper_raise_exception(env, EXCP_RI);
2042 target_ulong helper_rdhwr_cc(CPUMIPSState *env)
2044 if ((env->hflags & MIPS_HFLAG_CP0) ||
2045 (env->CP0_HWREna & (1 << 2)))
2046 return env->CP0_Count;
2048 helper_raise_exception(env, EXCP_RI);
2053 target_ulong helper_rdhwr_ccres(CPUMIPSState *env)
2055 if ((env->hflags & MIPS_HFLAG_CP0) ||
2056 (env->CP0_HWREna & (1 << 3)))
2059 helper_raise_exception(env, EXCP_RI);
2064 void helper_pmon(CPUMIPSState *env, int function)
2068 case 2: /* TODO: char inbyte(int waitflag); */
2069 if (env->active_tc.gpr[4] == 0)
2070 env->active_tc.gpr[2] = -1;
2072 case 11: /* TODO: char inbyte (void); */
2073 env->active_tc.gpr[2] = -1;
2077 printf("%c", (char)(env->active_tc.gpr[4] & 0xFF));
2083 unsigned char *fmt = (void *)(uintptr_t)env->active_tc.gpr[4];
2090 void helper_wait(CPUMIPSState *env)
2093 cpu_reset_interrupt(env, CPU_INTERRUPT_WAKE);
2094 helper_raise_exception(env, EXCP_HLT);
2097 #if !defined(CONFIG_USER_ONLY)
2099 static void QEMU_NORETURN do_unaligned_access(CPUMIPSState *env,
2100 target_ulong addr, int is_write,
2101 int is_user, uintptr_t retaddr);
2103 #define MMUSUFFIX _mmu
2104 #define ALIGNED_ONLY
2107 #include "softmmu_template.h"
2110 #include "softmmu_template.h"
2113 #include "softmmu_template.h"
2116 #include "softmmu_template.h"
2118 static void do_unaligned_access(CPUMIPSState *env, target_ulong addr,
2119 int is_write, int is_user, uintptr_t retaddr)
2121 env->CP0_BadVAddr = addr;
2122 do_raise_exception(env, (is_write == 1) ? EXCP_AdES : EXCP_AdEL, retaddr);
2125 void tlb_fill(CPUMIPSState *env, target_ulong addr, int is_write, int mmu_idx,
2130 ret = cpu_mips_handle_mmu_fault(env, addr, is_write, mmu_idx);
2132 do_raise_exception_err(env, env->exception_index,
2133 env->error_code, retaddr);
2137 void cpu_unassigned_access(CPUMIPSState *env, hwaddr addr,
2138 int is_write, int is_exec, int unused, int size)
2141 helper_raise_exception(env, EXCP_IBE);
2143 helper_raise_exception(env, EXCP_DBE);
2145 #endif /* !CONFIG_USER_ONLY */
2147 /* Complex FPU operations which may need stack space. */
2149 #define FLOAT_TWO32 make_float32(1 << 30)
2150 #define FLOAT_TWO64 make_float64(1ULL << 62)
2151 #define FP_TO_INT32_OVERFLOW 0x7fffffff
2152 #define FP_TO_INT64_OVERFLOW 0x7fffffffffffffffULL
2154 /* convert MIPS rounding mode in FCR31 to IEEE library */
2155 static unsigned int ieee_rm[] = {
2156 float_round_nearest_even,
2157 float_round_to_zero,
2162 #define RESTORE_ROUNDING_MODE \
2163 set_float_rounding_mode(ieee_rm[env->active_fpu.fcr31 & 3], &env->active_fpu.fp_status)
2165 #define RESTORE_FLUSH_MODE \
2166 set_flush_to_zero((env->active_fpu.fcr31 & (1 << 24)) != 0, &env->active_fpu.fp_status);
2168 target_ulong helper_cfc1(CPUMIPSState *env, uint32_t reg)
2174 arg1 = (int32_t)env->active_fpu.fcr0;
2177 arg1 = ((env->active_fpu.fcr31 >> 24) & 0xfe) | ((env->active_fpu.fcr31 >> 23) & 0x1);
2180 arg1 = env->active_fpu.fcr31 & 0x0003f07c;
2183 arg1 = (env->active_fpu.fcr31 & 0x00000f83) | ((env->active_fpu.fcr31 >> 22) & 0x4);
2186 arg1 = (int32_t)env->active_fpu.fcr31;
2193 void helper_ctc1(CPUMIPSState *env, target_ulong arg1, uint32_t reg)
2197 if (arg1 & 0xffffff00)
2199 env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0x017fffff) | ((arg1 & 0xfe) << 24) |
2200 ((arg1 & 0x1) << 23);
2203 if (arg1 & 0x007c0000)
2205 env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0xfffc0f83) | (arg1 & 0x0003f07c);
2208 if (arg1 & 0x007c0000)
2210 env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0xfefff07c) | (arg1 & 0x00000f83) |
2211 ((arg1 & 0x4) << 22);
2214 if (arg1 & 0x007c0000)
2216 env->active_fpu.fcr31 = arg1;
2221 /* set rounding mode */
2222 RESTORE_ROUNDING_MODE;
2223 /* set flush-to-zero mode */
2225 set_float_exception_flags(0, &env->active_fpu.fp_status);
2226 if ((GET_FP_ENABLE(env->active_fpu.fcr31) | 0x20) & GET_FP_CAUSE(env->active_fpu.fcr31))
2227 do_raise_exception(env, EXCP_FPE, GETPC());
2230 static inline int ieee_ex_to_mips(int xcpt)
2234 if (xcpt & float_flag_invalid) {
2237 if (xcpt & float_flag_overflow) {
2240 if (xcpt & float_flag_underflow) {
2241 ret |= FP_UNDERFLOW;
2243 if (xcpt & float_flag_divbyzero) {
2246 if (xcpt & float_flag_inexact) {
2253 static inline void update_fcr31(CPUMIPSState *env, uintptr_t pc)
2255 int tmp = ieee_ex_to_mips(get_float_exception_flags(&env->active_fpu.fp_status));
2257 SET_FP_CAUSE(env->active_fpu.fcr31, tmp);
2260 set_float_exception_flags(0, &env->active_fpu.fp_status);
2262 if (GET_FP_ENABLE(env->active_fpu.fcr31) & tmp) {
2263 do_raise_exception(env, EXCP_FPE, pc);
2265 UPDATE_FP_FLAGS(env->active_fpu.fcr31, tmp);
2271 Single precition routines have a "s" suffix, double precision a
2272 "d" suffix, 32bit integer "w", 64bit integer "l", paired single "ps",
2273 paired single lower "pl", paired single upper "pu". */
2275 /* unary operations, modifying fp status */
2276 uint64_t helper_float_sqrt_d(CPUMIPSState *env, uint64_t fdt0)
2278 fdt0 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
2279 update_fcr31(env, GETPC());
2283 uint32_t helper_float_sqrt_s(CPUMIPSState *env, uint32_t fst0)
2285 fst0 = float32_sqrt(fst0, &env->active_fpu.fp_status);
2286 update_fcr31(env, GETPC());
2290 uint64_t helper_float_cvtd_s(CPUMIPSState *env, uint32_t fst0)
2294 fdt2 = float32_to_float64(fst0, &env->active_fpu.fp_status);
2295 update_fcr31(env, GETPC());
2299 uint64_t helper_float_cvtd_w(CPUMIPSState *env, uint32_t wt0)
2303 fdt2 = int32_to_float64(wt0, &env->active_fpu.fp_status);
2304 update_fcr31(env, GETPC());
2308 uint64_t helper_float_cvtd_l(CPUMIPSState *env, uint64_t dt0)
2312 fdt2 = int64_to_float64(dt0, &env->active_fpu.fp_status);
2313 update_fcr31(env, GETPC());
2317 uint64_t helper_float_cvtl_d(CPUMIPSState *env, uint64_t fdt0)
2321 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2322 if (get_float_exception_flags(&env->active_fpu.fp_status)
2323 & (float_flag_invalid | float_flag_overflow)) {
2324 dt2 = FP_TO_INT64_OVERFLOW;
2326 update_fcr31(env, GETPC());
2330 uint64_t helper_float_cvtl_s(CPUMIPSState *env, uint32_t fst0)
2334 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2335 if (get_float_exception_flags(&env->active_fpu.fp_status)
2336 & (float_flag_invalid | float_flag_overflow)) {
2337 dt2 = FP_TO_INT64_OVERFLOW;
2339 update_fcr31(env, GETPC());
2343 uint64_t helper_float_cvtps_pw(CPUMIPSState *env, uint64_t dt0)
2348 fst2 = int32_to_float32(dt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2349 fsth2 = int32_to_float32(dt0 >> 32, &env->active_fpu.fp_status);
2350 update_fcr31(env, GETPC());
2351 return ((uint64_t)fsth2 << 32) | fst2;
2354 uint64_t helper_float_cvtpw_ps(CPUMIPSState *env, uint64_t fdt0)
2360 wt2 = float32_to_int32(fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2361 excp = get_float_exception_flags(&env->active_fpu.fp_status);
2362 if (excp & (float_flag_overflow | float_flag_invalid)) {
2363 wt2 = FP_TO_INT32_OVERFLOW;
2366 set_float_exception_flags(0, &env->active_fpu.fp_status);
2367 wth2 = float32_to_int32(fdt0 >> 32, &env->active_fpu.fp_status);
2368 excph = get_float_exception_flags(&env->active_fpu.fp_status);
2369 if (excph & (float_flag_overflow | float_flag_invalid)) {
2370 wth2 = FP_TO_INT32_OVERFLOW;
2373 set_float_exception_flags(excp | excph, &env->active_fpu.fp_status);
2374 update_fcr31(env, GETPC());
2376 return ((uint64_t)wth2 << 32) | wt2;
2379 uint32_t helper_float_cvts_d(CPUMIPSState *env, uint64_t fdt0)
2383 fst2 = float64_to_float32(fdt0, &env->active_fpu.fp_status);
2384 update_fcr31(env, GETPC());
2388 uint32_t helper_float_cvts_w(CPUMIPSState *env, uint32_t wt0)
2392 fst2 = int32_to_float32(wt0, &env->active_fpu.fp_status);
2393 update_fcr31(env, GETPC());
2397 uint32_t helper_float_cvts_l(CPUMIPSState *env, uint64_t dt0)
2401 fst2 = int64_to_float32(dt0, &env->active_fpu.fp_status);
2402 update_fcr31(env, GETPC());
2406 uint32_t helper_float_cvts_pl(CPUMIPSState *env, uint32_t wt0)
2411 update_fcr31(env, GETPC());
2415 uint32_t helper_float_cvts_pu(CPUMIPSState *env, uint32_t wth0)
2420 update_fcr31(env, GETPC());
2424 uint32_t helper_float_cvtw_s(CPUMIPSState *env, uint32_t fst0)
2428 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2429 update_fcr31(env, GETPC());
2430 if (get_float_exception_flags(&env->active_fpu.fp_status)
2431 & (float_flag_invalid | float_flag_overflow)) {
2432 wt2 = FP_TO_INT32_OVERFLOW;
2437 uint32_t helper_float_cvtw_d(CPUMIPSState *env, uint64_t fdt0)
2441 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2442 if (get_float_exception_flags(&env->active_fpu.fp_status)
2443 & (float_flag_invalid | float_flag_overflow)) {
2444 wt2 = FP_TO_INT32_OVERFLOW;
2446 update_fcr31(env, GETPC());
2450 uint64_t helper_float_roundl_d(CPUMIPSState *env, uint64_t fdt0)
2454 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2455 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2456 RESTORE_ROUNDING_MODE;
2457 if (get_float_exception_flags(&env->active_fpu.fp_status)
2458 & (float_flag_invalid | float_flag_overflow)) {
2459 dt2 = FP_TO_INT64_OVERFLOW;
2461 update_fcr31(env, GETPC());
2465 uint64_t helper_float_roundl_s(CPUMIPSState *env, uint32_t fst0)
2469 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2470 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2471 RESTORE_ROUNDING_MODE;
2472 if (get_float_exception_flags(&env->active_fpu.fp_status)
2473 & (float_flag_invalid | float_flag_overflow)) {
2474 dt2 = FP_TO_INT64_OVERFLOW;
2476 update_fcr31(env, GETPC());
2480 uint32_t helper_float_roundw_d(CPUMIPSState *env, uint64_t fdt0)
2484 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2485 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2486 RESTORE_ROUNDING_MODE;
2487 if (get_float_exception_flags(&env->active_fpu.fp_status)
2488 & (float_flag_invalid | float_flag_overflow)) {
2489 wt2 = FP_TO_INT32_OVERFLOW;
2491 update_fcr31(env, GETPC());
2495 uint32_t helper_float_roundw_s(CPUMIPSState *env, uint32_t fst0)
2499 set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2500 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2501 RESTORE_ROUNDING_MODE;
2502 if (get_float_exception_flags(&env->active_fpu.fp_status)
2503 & (float_flag_invalid | float_flag_overflow)) {
2504 wt2 = FP_TO_INT32_OVERFLOW;
2506 update_fcr31(env, GETPC());
2510 uint64_t helper_float_truncl_d(CPUMIPSState *env, uint64_t fdt0)
2514 dt2 = float64_to_int64_round_to_zero(fdt0, &env->active_fpu.fp_status);
2515 if (get_float_exception_flags(&env->active_fpu.fp_status)
2516 & (float_flag_invalid | float_flag_overflow)) {
2517 dt2 = FP_TO_INT64_OVERFLOW;
2519 update_fcr31(env, GETPC());
2523 uint64_t helper_float_truncl_s(CPUMIPSState *env, uint32_t fst0)
2527 dt2 = float32_to_int64_round_to_zero(fst0, &env->active_fpu.fp_status);
2528 if (get_float_exception_flags(&env->active_fpu.fp_status)
2529 & (float_flag_invalid | float_flag_overflow)) {
2530 dt2 = FP_TO_INT64_OVERFLOW;
2532 update_fcr31(env, GETPC());
2536 uint32_t helper_float_truncw_d(CPUMIPSState *env, uint64_t fdt0)
2540 wt2 = float64_to_int32_round_to_zero(fdt0, &env->active_fpu.fp_status);
2541 if (get_float_exception_flags(&env->active_fpu.fp_status)
2542 & (float_flag_invalid | float_flag_overflow)) {
2543 wt2 = FP_TO_INT32_OVERFLOW;
2545 update_fcr31(env, GETPC());
2549 uint32_t helper_float_truncw_s(CPUMIPSState *env, uint32_t fst0)
2553 wt2 = float32_to_int32_round_to_zero(fst0, &env->active_fpu.fp_status);
2554 if (get_float_exception_flags(&env->active_fpu.fp_status)
2555 & (float_flag_invalid | float_flag_overflow)) {
2556 wt2 = FP_TO_INT32_OVERFLOW;
2558 update_fcr31(env, GETPC());
2562 uint64_t helper_float_ceill_d(CPUMIPSState *env, uint64_t fdt0)
2566 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2567 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2568 RESTORE_ROUNDING_MODE;
2569 if (get_float_exception_flags(&env->active_fpu.fp_status)
2570 & (float_flag_invalid | float_flag_overflow)) {
2571 dt2 = FP_TO_INT64_OVERFLOW;
2573 update_fcr31(env, GETPC());
2577 uint64_t helper_float_ceill_s(CPUMIPSState *env, uint32_t fst0)
2581 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2582 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2583 RESTORE_ROUNDING_MODE;
2584 if (get_float_exception_flags(&env->active_fpu.fp_status)
2585 & (float_flag_invalid | float_flag_overflow)) {
2586 dt2 = FP_TO_INT64_OVERFLOW;
2588 update_fcr31(env, GETPC());
2592 uint32_t helper_float_ceilw_d(CPUMIPSState *env, uint64_t fdt0)
2596 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2597 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2598 RESTORE_ROUNDING_MODE;
2599 if (get_float_exception_flags(&env->active_fpu.fp_status)
2600 & (float_flag_invalid | float_flag_overflow)) {
2601 wt2 = FP_TO_INT32_OVERFLOW;
2603 update_fcr31(env, GETPC());
2607 uint32_t helper_float_ceilw_s(CPUMIPSState *env, uint32_t fst0)
2611 set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2612 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2613 RESTORE_ROUNDING_MODE;
2614 if (get_float_exception_flags(&env->active_fpu.fp_status)
2615 & (float_flag_invalid | float_flag_overflow)) {
2616 wt2 = FP_TO_INT32_OVERFLOW;
2618 update_fcr31(env, GETPC());
2622 uint64_t helper_float_floorl_d(CPUMIPSState *env, uint64_t fdt0)
2626 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2627 dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2628 RESTORE_ROUNDING_MODE;
2629 if (get_float_exception_flags(&env->active_fpu.fp_status)
2630 & (float_flag_invalid | float_flag_overflow)) {
2631 dt2 = FP_TO_INT64_OVERFLOW;
2633 update_fcr31(env, GETPC());
2637 uint64_t helper_float_floorl_s(CPUMIPSState *env, uint32_t fst0)
2641 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2642 dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2643 RESTORE_ROUNDING_MODE;
2644 if (get_float_exception_flags(&env->active_fpu.fp_status)
2645 & (float_flag_invalid | float_flag_overflow)) {
2646 dt2 = FP_TO_INT64_OVERFLOW;
2648 update_fcr31(env, GETPC());
2652 uint32_t helper_float_floorw_d(CPUMIPSState *env, uint64_t fdt0)
2656 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2657 wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2658 RESTORE_ROUNDING_MODE;
2659 if (get_float_exception_flags(&env->active_fpu.fp_status)
2660 & (float_flag_invalid | float_flag_overflow)) {
2661 wt2 = FP_TO_INT32_OVERFLOW;
2663 update_fcr31(env, GETPC());
2667 uint32_t helper_float_floorw_s(CPUMIPSState *env, uint32_t fst0)
2671 set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2672 wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2673 RESTORE_ROUNDING_MODE;
2674 if (get_float_exception_flags(&env->active_fpu.fp_status)
2675 & (float_flag_invalid | float_flag_overflow)) {
2676 wt2 = FP_TO_INT32_OVERFLOW;
2678 update_fcr31(env, GETPC());
2682 /* unary operations, not modifying fp status */
2683 #define FLOAT_UNOP(name) \
2684 uint64_t helper_float_ ## name ## _d(uint64_t fdt0) \
2686 return float64_ ## name(fdt0); \
2688 uint32_t helper_float_ ## name ## _s(uint32_t fst0) \
2690 return float32_ ## name(fst0); \
2692 uint64_t helper_float_ ## name ## _ps(uint64_t fdt0) \
2697 wt0 = float32_ ## name(fdt0 & 0XFFFFFFFF); \
2698 wth0 = float32_ ## name(fdt0 >> 32); \
2699 return ((uint64_t)wth0 << 32) | wt0; \
2705 /* MIPS specific unary operations */
2706 uint64_t helper_float_recip_d(CPUMIPSState *env, uint64_t fdt0)
2710 fdt2 = float64_div(float64_one, fdt0, &env->active_fpu.fp_status);
2711 update_fcr31(env, GETPC());
2715 uint32_t helper_float_recip_s(CPUMIPSState *env, uint32_t fst0)
2719 fst2 = float32_div(float32_one, fst0, &env->active_fpu.fp_status);
2720 update_fcr31(env, GETPC());
2724 uint64_t helper_float_rsqrt_d(CPUMIPSState *env, uint64_t fdt0)
2728 fdt2 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
2729 fdt2 = float64_div(float64_one, fdt2, &env->active_fpu.fp_status);
2730 update_fcr31(env, GETPC());
2734 uint32_t helper_float_rsqrt_s(CPUMIPSState *env, uint32_t fst0)
2738 fst2 = float32_sqrt(fst0, &env->active_fpu.fp_status);
2739 fst2 = float32_div(float32_one, fst2, &env->active_fpu.fp_status);
2740 update_fcr31(env, GETPC());
2744 uint64_t helper_float_recip1_d(CPUMIPSState *env, uint64_t fdt0)
2748 fdt2 = float64_div(float64_one, fdt0, &env->active_fpu.fp_status);
2749 update_fcr31(env, GETPC());
2753 uint32_t helper_float_recip1_s(CPUMIPSState *env, uint32_t fst0)
2757 fst2 = float32_div(float32_one, fst0, &env->active_fpu.fp_status);
2758 update_fcr31(env, GETPC());
2762 uint64_t helper_float_recip1_ps(CPUMIPSState *env, uint64_t fdt0)
2767 fst2 = float32_div(float32_one, fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2768 fsth2 = float32_div(float32_one, fdt0 >> 32, &env->active_fpu.fp_status);
2769 update_fcr31(env, GETPC());
2770 return ((uint64_t)fsth2 << 32) | fst2;
2773 uint64_t helper_float_rsqrt1_d(CPUMIPSState *env, uint64_t fdt0)
2777 fdt2 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
2778 fdt2 = float64_div(float64_one, fdt2, &env->active_fpu.fp_status);
2779 update_fcr31(env, GETPC());
2783 uint32_t helper_float_rsqrt1_s(CPUMIPSState *env, uint32_t fst0)
2787 fst2 = float32_sqrt(fst0, &env->active_fpu.fp_status);
2788 fst2 = float32_div(float32_one, fst2, &env->active_fpu.fp_status);
2789 update_fcr31(env, GETPC());
2793 uint64_t helper_float_rsqrt1_ps(CPUMIPSState *env, uint64_t fdt0)
2798 fst2 = float32_sqrt(fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2799 fsth2 = float32_sqrt(fdt0 >> 32, &env->active_fpu.fp_status);
2800 fst2 = float32_div(float32_one, fst2, &env->active_fpu.fp_status);
2801 fsth2 = float32_div(float32_one, fsth2, &env->active_fpu.fp_status);
2802 update_fcr31(env, GETPC());
2803 return ((uint64_t)fsth2 << 32) | fst2;
2806 #define FLOAT_OP(name, p) void helper_float_##name##_##p(CPUMIPSState *env)
2808 /* binary operations */
2809 #define FLOAT_BINOP(name) \
2810 uint64_t helper_float_ ## name ## _d(CPUMIPSState *env, \
2811 uint64_t fdt0, uint64_t fdt1) \
2815 dt2 = float64_ ## name (fdt0, fdt1, &env->active_fpu.fp_status); \
2816 update_fcr31(env, GETPC()); \
2820 uint32_t helper_float_ ## name ## _s(CPUMIPSState *env, \
2821 uint32_t fst0, uint32_t fst1) \
2825 wt2 = float32_ ## name (fst0, fst1, &env->active_fpu.fp_status); \
2826 update_fcr31(env, GETPC()); \
2830 uint64_t helper_float_ ## name ## _ps(CPUMIPSState *env, \
2834 uint32_t fst0 = fdt0 & 0XFFFFFFFF; \
2835 uint32_t fsth0 = fdt0 >> 32; \
2836 uint32_t fst1 = fdt1 & 0XFFFFFFFF; \
2837 uint32_t fsth1 = fdt1 >> 32; \
2841 wt2 = float32_ ## name (fst0, fst1, &env->active_fpu.fp_status); \
2842 wth2 = float32_ ## name (fsth0, fsth1, &env->active_fpu.fp_status); \
2843 update_fcr31(env, GETPC()); \
2844 return ((uint64_t)wth2 << 32) | wt2; \
2853 /* FMA based operations */
2854 #define FLOAT_FMA(name, type) \
2855 uint64_t helper_float_ ## name ## _d(CPUMIPSState *env, \
2856 uint64_t fdt0, uint64_t fdt1, \
2859 fdt0 = float64_muladd(fdt0, fdt1, fdt2, type, \
2860 &env->active_fpu.fp_status); \
2861 update_fcr31(env, GETPC()); \
2865 uint32_t helper_float_ ## name ## _s(CPUMIPSState *env, \
2866 uint32_t fst0, uint32_t fst1, \
2869 fst0 = float32_muladd(fst0, fst1, fst2, type, \
2870 &env->active_fpu.fp_status); \
2871 update_fcr31(env, GETPC()); \
2875 uint64_t helper_float_ ## name ## _ps(CPUMIPSState *env, \
2876 uint64_t fdt0, uint64_t fdt1, \
2879 uint32_t fst0 = fdt0 & 0XFFFFFFFF; \
2880 uint32_t fsth0 = fdt0 >> 32; \
2881 uint32_t fst1 = fdt1 & 0XFFFFFFFF; \
2882 uint32_t fsth1 = fdt1 >> 32; \
2883 uint32_t fst2 = fdt2 & 0XFFFFFFFF; \
2884 uint32_t fsth2 = fdt2 >> 32; \
2886 fst0 = float32_muladd(fst0, fst1, fst2, type, \
2887 &env->active_fpu.fp_status); \
2888 fsth0 = float32_muladd(fsth0, fsth1, fsth2, type, \
2889 &env->active_fpu.fp_status); \
2890 update_fcr31(env, GETPC()); \
2891 return ((uint64_t)fsth0 << 32) | fst0; \
2894 FLOAT_FMA(msub, float_muladd_negate_c)
2895 FLOAT_FMA(nmadd, float_muladd_negate_result)
2896 FLOAT_FMA(nmsub, float_muladd_negate_result | float_muladd_negate_c)
2899 /* MIPS specific binary operations */
2900 uint64_t helper_float_recip2_d(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
2902 fdt2 = float64_mul(fdt0, fdt2, &env->active_fpu.fp_status);
2903 fdt2 = float64_chs(float64_sub(fdt2, float64_one, &env->active_fpu.fp_status));
2904 update_fcr31(env, GETPC());
2908 uint32_t helper_float_recip2_s(CPUMIPSState *env, uint32_t fst0, uint32_t fst2)
2910 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
2911 fst2 = float32_chs(float32_sub(fst2, float32_one, &env->active_fpu.fp_status));
2912 update_fcr31(env, GETPC());
2916 uint64_t helper_float_recip2_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
2918 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
2919 uint32_t fsth0 = fdt0 >> 32;
2920 uint32_t fst2 = fdt2 & 0XFFFFFFFF;
2921 uint32_t fsth2 = fdt2 >> 32;
2923 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
2924 fsth2 = float32_mul(fsth0, fsth2, &env->active_fpu.fp_status);
2925 fst2 = float32_chs(float32_sub(fst2, float32_one, &env->active_fpu.fp_status));
2926 fsth2 = float32_chs(float32_sub(fsth2, float32_one, &env->active_fpu.fp_status));
2927 update_fcr31(env, GETPC());
2928 return ((uint64_t)fsth2 << 32) | fst2;
2931 uint64_t helper_float_rsqrt2_d(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
2933 fdt2 = float64_mul(fdt0, fdt2, &env->active_fpu.fp_status);
2934 fdt2 = float64_sub(fdt2, float64_one, &env->active_fpu.fp_status);
2935 fdt2 = float64_chs(float64_div(fdt2, FLOAT_TWO64, &env->active_fpu.fp_status));
2936 update_fcr31(env, GETPC());
2940 uint32_t helper_float_rsqrt2_s(CPUMIPSState *env, uint32_t fst0, uint32_t fst2)
2942 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
2943 fst2 = float32_sub(fst2, float32_one, &env->active_fpu.fp_status);
2944 fst2 = float32_chs(float32_div(fst2, FLOAT_TWO32, &env->active_fpu.fp_status));
2945 update_fcr31(env, GETPC());
2949 uint64_t helper_float_rsqrt2_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
2951 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
2952 uint32_t fsth0 = fdt0 >> 32;
2953 uint32_t fst2 = fdt2 & 0XFFFFFFFF;
2954 uint32_t fsth2 = fdt2 >> 32;
2956 fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
2957 fsth2 = float32_mul(fsth0, fsth2, &env->active_fpu.fp_status);
2958 fst2 = float32_sub(fst2, float32_one, &env->active_fpu.fp_status);
2959 fsth2 = float32_sub(fsth2, float32_one, &env->active_fpu.fp_status);
2960 fst2 = float32_chs(float32_div(fst2, FLOAT_TWO32, &env->active_fpu.fp_status));
2961 fsth2 = float32_chs(float32_div(fsth2, FLOAT_TWO32, &env->active_fpu.fp_status));
2962 update_fcr31(env, GETPC());
2963 return ((uint64_t)fsth2 << 32) | fst2;
2966 uint64_t helper_float_addr_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt1)
2968 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
2969 uint32_t fsth0 = fdt0 >> 32;
2970 uint32_t fst1 = fdt1 & 0XFFFFFFFF;
2971 uint32_t fsth1 = fdt1 >> 32;
2975 fst2 = float32_add (fst0, fsth0, &env->active_fpu.fp_status);
2976 fsth2 = float32_add (fst1, fsth1, &env->active_fpu.fp_status);
2977 update_fcr31(env, GETPC());
2978 return ((uint64_t)fsth2 << 32) | fst2;
2981 uint64_t helper_float_mulr_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt1)
2983 uint32_t fst0 = fdt0 & 0XFFFFFFFF;
2984 uint32_t fsth0 = fdt0 >> 32;
2985 uint32_t fst1 = fdt1 & 0XFFFFFFFF;
2986 uint32_t fsth1 = fdt1 >> 32;
2990 fst2 = float32_mul (fst0, fsth0, &env->active_fpu.fp_status);
2991 fsth2 = float32_mul (fst1, fsth1, &env->active_fpu.fp_status);
2992 update_fcr31(env, GETPC());
2993 return ((uint64_t)fsth2 << 32) | fst2;
2996 /* compare operations */
2997 #define FOP_COND_D(op, cond) \
2998 void helper_cmp_d_ ## op(CPUMIPSState *env, uint64_t fdt0, \
2999 uint64_t fdt1, int cc) \
3003 update_fcr31(env, GETPC()); \
3005 SET_FP_COND(cc, env->active_fpu); \
3007 CLEAR_FP_COND(cc, env->active_fpu); \
3009 void helper_cmpabs_d_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3010 uint64_t fdt1, int cc) \
3013 fdt0 = float64_abs(fdt0); \
3014 fdt1 = float64_abs(fdt1); \
3016 update_fcr31(env, GETPC()); \
3018 SET_FP_COND(cc, env->active_fpu); \
3020 CLEAR_FP_COND(cc, env->active_fpu); \
3023 /* NOTE: the comma operator will make "cond" to eval to false,
3024 * but float64_unordered_quiet() is still called. */
3025 FOP_COND_D(f, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status), 0))
3026 FOP_COND_D(un, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status))
3027 FOP_COND_D(eq, float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3028 FOP_COND_D(ueq, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status) || float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3029 FOP_COND_D(olt, float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3030 FOP_COND_D(ult, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status) || float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3031 FOP_COND_D(ole, float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3032 FOP_COND_D(ule, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status) || float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3033 /* NOTE: the comma operator will make "cond" to eval to false,
3034 * but float64_unordered() is still called. */
3035 FOP_COND_D(sf, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status), 0))
3036 FOP_COND_D(ngle,float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status))
3037 FOP_COND_D(seq, float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
3038 FOP_COND_D(ngl, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status) || float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
3039 FOP_COND_D(lt, float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
3040 FOP_COND_D(nge, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status) || float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
3041 FOP_COND_D(le, float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
3042 FOP_COND_D(ngt, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status) || float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
3044 #define FOP_COND_S(op, cond) \
3045 void helper_cmp_s_ ## op(CPUMIPSState *env, uint32_t fst0, \
3046 uint32_t fst1, int cc) \
3050 update_fcr31(env, GETPC()); \
3052 SET_FP_COND(cc, env->active_fpu); \
3054 CLEAR_FP_COND(cc, env->active_fpu); \
3056 void helper_cmpabs_s_ ## op(CPUMIPSState *env, uint32_t fst0, \
3057 uint32_t fst1, int cc) \
3060 fst0 = float32_abs(fst0); \
3061 fst1 = float32_abs(fst1); \
3063 update_fcr31(env, GETPC()); \
3065 SET_FP_COND(cc, env->active_fpu); \
3067 CLEAR_FP_COND(cc, env->active_fpu); \
3070 /* NOTE: the comma operator will make "cond" to eval to false,
3071 * but float32_unordered_quiet() is still called. */
3072 FOP_COND_S(f, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status), 0))
3073 FOP_COND_S(un, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status))
3074 FOP_COND_S(eq, float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status))
3075 FOP_COND_S(ueq, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status))
3076 FOP_COND_S(olt, float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status))
3077 FOP_COND_S(ult, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status))
3078 FOP_COND_S(ole, float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status))
3079 FOP_COND_S(ule, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status))
3080 /* NOTE: the comma operator will make "cond" to eval to false,
3081 * but float32_unordered() is still called. */
3082 FOP_COND_S(sf, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status), 0))
3083 FOP_COND_S(ngle,float32_unordered(fst1, fst0, &env->active_fpu.fp_status))
3084 FOP_COND_S(seq, float32_eq(fst0, fst1, &env->active_fpu.fp_status))
3085 FOP_COND_S(ngl, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_eq(fst0, fst1, &env->active_fpu.fp_status))
3086 FOP_COND_S(lt, float32_lt(fst0, fst1, &env->active_fpu.fp_status))
3087 FOP_COND_S(nge, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_lt(fst0, fst1, &env->active_fpu.fp_status))
3088 FOP_COND_S(le, float32_le(fst0, fst1, &env->active_fpu.fp_status))
3089 FOP_COND_S(ngt, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_le(fst0, fst1, &env->active_fpu.fp_status))
3091 #define FOP_COND_PS(op, condl, condh) \
3092 void helper_cmp_ps_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3093 uint64_t fdt1, int cc) \
3095 uint32_t fst0, fsth0, fst1, fsth1; \
3097 fst0 = fdt0 & 0XFFFFFFFF; \
3098 fsth0 = fdt0 >> 32; \
3099 fst1 = fdt1 & 0XFFFFFFFF; \
3100 fsth1 = fdt1 >> 32; \
3103 update_fcr31(env, GETPC()); \
3105 SET_FP_COND(cc, env->active_fpu); \
3107 CLEAR_FP_COND(cc, env->active_fpu); \
3109 SET_FP_COND(cc + 1, env->active_fpu); \
3111 CLEAR_FP_COND(cc + 1, env->active_fpu); \
3113 void helper_cmpabs_ps_ ## op(CPUMIPSState *env, uint64_t fdt0, \
3114 uint64_t fdt1, int cc) \
3116 uint32_t fst0, fsth0, fst1, fsth1; \
3118 fst0 = float32_abs(fdt0 & 0XFFFFFFFF); \
3119 fsth0 = float32_abs(fdt0 >> 32); \
3120 fst1 = float32_abs(fdt1 & 0XFFFFFFFF); \
3121 fsth1 = float32_abs(fdt1 >> 32); \
3124 update_fcr31(env, GETPC()); \
3126 SET_FP_COND(cc, env->active_fpu); \
3128 CLEAR_FP_COND(cc, env->active_fpu); \
3130 SET_FP_COND(cc + 1, env->active_fpu); \
3132 CLEAR_FP_COND(cc + 1, env->active_fpu); \
3135 /* NOTE: the comma operator will make "cond" to eval to false,
3136 * but float32_unordered_quiet() is still called. */
3137 FOP_COND_PS(f, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status), 0),
3138 (float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status), 0))
3139 FOP_COND_PS(un, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status),
3140 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status))
3141 FOP_COND_PS(eq, float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status),
3142 float32_eq_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3143 FOP_COND_PS(ueq, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status),
3144 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status) || float32_eq_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3145 FOP_COND_PS(olt, float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status),
3146 float32_lt_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3147 FOP_COND_PS(ult, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status),
3148 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status) || float32_lt_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3149 FOP_COND_PS(ole, float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status),
3150 float32_le_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3151 FOP_COND_PS(ule, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status),
3152 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status) || float32_le_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3153 /* NOTE: the comma operator will make "cond" to eval to false,
3154 * but float32_unordered() is still called. */
3155 FOP_COND_PS(sf, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status), 0),
3156 (float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status), 0))
3157 FOP_COND_PS(ngle,float32_unordered(fst1, fst0, &env->active_fpu.fp_status),
3158 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status))
3159 FOP_COND_PS(seq, float32_eq(fst0, fst1, &env->active_fpu.fp_status),
3160 float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
3161 FOP_COND_PS(ngl, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_eq(fst0, fst1, &env->active_fpu.fp_status),
3162 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status) || float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
3163 FOP_COND_PS(lt, float32_lt(fst0, fst1, &env->active_fpu.fp_status),
3164 float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
3165 FOP_COND_PS(nge, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_lt(fst0, fst1, &env->active_fpu.fp_status),
3166 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status) || float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
3167 FOP_COND_PS(le, float32_le(fst0, fst1, &env->active_fpu.fp_status),
3168 float32_le(fsth0, fsth1, &env->active_fpu.fp_status))
3169 FOP_COND_PS(ngt, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_le(fst0, fst1, &env->active_fpu.fp_status),
3170 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status) || float32_le(fsth0, fsth1, &env->active_fpu.fp_status))