2 * PowerPC emulation helpers for qemu.
4 * Copyright (c) 2003-2007 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, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "op_helper.h"
24 #define MEMSUFFIX _raw
25 #include "op_helper.h"
26 #include "op_helper_mem.h"
27 #if !defined(CONFIG_USER_ONLY)
28 #define MEMSUFFIX _user
29 #include "op_helper.h"
30 #include "op_helper_mem.h"
31 #define MEMSUFFIX _kernel
32 #include "op_helper.h"
33 #include "op_helper_mem.h"
37 //#define DEBUG_EXCEPTIONS
38 //#define DEBUG_SOFTWARE_TLB
40 /*****************************************************************************/
41 /* Exceptions processing helpers */
43 void do_raise_exception_err (uint32_t exception, int error_code)
46 printf("Raise exception %3x code : %d\n", exception, error_code);
49 case POWERPC_EXCP_PROGRAM:
50 if (error_code == POWERPC_EXCP_FP && msr_fe0 == 0 && msr_fe1 == 0)
56 env->exception_index = exception;
57 env->error_code = error_code;
61 void do_raise_exception (uint32_t exception)
63 do_raise_exception_err(exception, 0);
66 void cpu_dump_EA (target_ulong EA);
67 void do_print_mem_EA (target_ulong EA)
72 /*****************************************************************************/
73 /* Registers load and stores */
74 void do_load_cr (void)
76 T0 = (env->crf[0] << 28) |
86 void do_store_cr (uint32_t mask)
90 for (i = 0, sh = 7; i < 8; i++, sh--) {
92 env->crf[i] = (T0 >> (sh * 4)) & 0xFUL;
96 void do_load_xer (void)
98 T0 = (xer_so << XER_SO) |
102 (xer_cmp << XER_CMP);
105 void do_store_xer (void)
107 xer_so = (T0 >> XER_SO) & 0x01;
108 xer_ov = (T0 >> XER_OV) & 0x01;
109 xer_ca = (T0 >> XER_CA) & 0x01;
110 xer_cmp = (T0 >> XER_CMP) & 0xFF;
111 xer_bc = (T0 >> XER_BC) & 0x7F;
114 #if defined(TARGET_PPC64)
115 void do_store_pri (int prio)
117 env->spr[SPR_PPR] &= ~0x001C000000000000ULL;
118 env->spr[SPR_PPR] |= ((uint64_t)prio & 0x7) << 50;
122 void do_load_fpscr (void)
124 /* The 32 MSB of the target fpr are undefined.
135 #if defined(WORDS_BIGENDIAN)
144 for (i = 0; i < 8; i++)
145 u.s.u[WORD1] |= env->fpscr[i] << (4 * i);
149 void do_store_fpscr (uint32_t mask)
152 * We use only the 32 LSB of the incoming fpr
164 env->fpscr[0] = (env->fpscr[0] & 0x9) | ((u.s.u[WORD1] >> 28) & ~0x9);
165 for (i = 1; i < 7; i++) {
166 if (mask & (1 << (7 - i)))
167 env->fpscr[i] = (u.s.u[WORD1] >> (4 * (7 - i))) & 0xF;
169 /* TODO: update FEX & VX */
170 /* Set rounding mode */
171 switch (env->fpscr[0] & 0x3) {
173 /* Best approximation (round to nearest) */
174 rnd_type = float_round_nearest_even;
177 /* Smaller magnitude (round toward zero) */
178 rnd_type = float_round_to_zero;
181 /* Round toward +infinite */
182 rnd_type = float_round_up;
186 /* Round toward -infinite */
187 rnd_type = float_round_down;
190 set_float_rounding_mode(rnd_type, &env->fp_status);
193 target_ulong ppc_load_dump_spr (int sprn)
196 fprintf(logfile, "Read SPR %d %03x => " ADDRX "\n",
197 sprn, sprn, env->spr[sprn]);
200 return env->spr[sprn];
203 void ppc_store_dump_spr (int sprn, target_ulong val)
206 fprintf(logfile, "Write SPR %d %03x => " ADDRX " <= " ADDRX "\n",
207 sprn, sprn, env->spr[sprn], val);
209 env->spr[sprn] = val;
212 /*****************************************************************************/
213 /* Fixed point operations helpers */
214 #if defined(TARGET_PPC64)
215 static void add128 (uint64_t *plow, uint64_t *phigh, uint64_t a, uint64_t b)
224 static void neg128 (uint64_t *plow, uint64_t *phigh)
228 add128(plow, phigh, 1, 0);
231 static void mul64 (uint64_t *plow, uint64_t *phigh, uint64_t a, uint64_t b)
233 uint32_t a0, a1, b0, b1;
242 v = (uint64_t)a0 * (uint64_t)b0;
246 v = (uint64_t)a0 * (uint64_t)b1;
247 add128(plow, phigh, v << 32, v >> 32);
249 v = (uint64_t)a1 * (uint64_t)b0;
250 add128(plow, phigh, v << 32, v >> 32);
252 v = (uint64_t)a1 * (uint64_t)b1;
254 #if defined(DEBUG_MULDIV)
255 printf("mul: 0x%016llx * 0x%016llx = 0x%016llx%016llx\n",
256 a, b, *phigh, *plow);
260 void do_mul64 (uint64_t *plow, uint64_t *phigh)
262 mul64(plow, phigh, T0, T1);
265 static void imul64 (uint64_t *plow, uint64_t *phigh, int64_t a, int64_t b)
275 mul64(plow, phigh, a, b);
281 void do_imul64 (uint64_t *plow, uint64_t *phigh)
283 imul64(plow, phigh, T0, T1);
291 if (likely(!((uint32_t)T0 < (uint32_t)T2 ||
292 (xer_ca == 1 && (uint32_t)T0 == (uint32_t)T2)))) {
299 #if defined(TARGET_PPC64)
300 void do_adde_64 (void)
304 if (likely(!((uint64_t)T0 < (uint64_t)T2 ||
305 (xer_ca == 1 && (uint64_t)T0 == (uint64_t)T2)))) {
313 void do_addmeo (void)
317 if (likely(!((uint32_t)T1 &
318 ((uint32_t)T1 ^ (uint32_t)T0) & (1UL << 31)))) {
328 #if defined(TARGET_PPC64)
329 void do_addmeo_64 (void)
333 if (likely(!((uint64_t)T1 &
334 ((uint64_t)T1 ^ (uint64_t)T0) & (1ULL << 63)))) {
347 if (likely(!(((int32_t)T0 == INT32_MIN && (int32_t)T1 == -1) ||
348 (int32_t)T1 == 0))) {
350 T0 = (int32_t)T0 / (int32_t)T1;
354 T0 = (-1) * ((uint32_t)T0 >> 31);
358 #if defined(TARGET_PPC64)
361 if (likely(!(((int64_t)T0 == INT64_MIN && (int64_t)T1 == -1ULL) ||
362 (int64_t)T1 == 0))) {
364 T0 = (int64_t)T0 / (int64_t)T1;
368 T0 = (-1ULL) * ((uint64_t)T0 >> 63);
373 void do_divwuo (void)
375 if (likely((uint32_t)T1 != 0)) {
377 T0 = (uint32_t)T0 / (uint32_t)T1;
385 #if defined(TARGET_PPC64)
386 void do_divduo (void)
388 if (likely((uint64_t)T1 != 0)) {
390 T0 = (uint64_t)T0 / (uint64_t)T1;
399 void do_mullwo (void)
401 int64_t res = (int64_t)T0 * (int64_t)T1;
403 if (likely((int32_t)res == res)) {
412 #if defined(TARGET_PPC64)
413 void do_mulldo (void)
419 if (likely(th == 0)) {
431 if (likely((int32_t)T0 != INT32_MIN)) {
440 #if defined(TARGET_PPC64)
441 void do_nego_64 (void)
443 if (likely((int64_t)T0 != INT64_MIN)) {
455 T0 = T1 + ~T0 + xer_ca;
456 if (likely((uint32_t)T0 >= (uint32_t)T1 &&
457 (xer_ca == 0 || (uint32_t)T0 != (uint32_t)T1))) {
464 #if defined(TARGET_PPC64)
465 void do_subfe_64 (void)
467 T0 = T1 + ~T0 + xer_ca;
468 if (likely((uint64_t)T0 >= (uint64_t)T1 &&
469 (xer_ca == 0 || (uint64_t)T0 != (uint64_t)T1))) {
477 void do_subfmeo (void)
480 T0 = ~T0 + xer_ca - 1;
481 if (likely(!((uint32_t)~T1 & ((uint32_t)~T1 ^ (uint32_t)T0) &
488 if (likely((uint32_t)T1 != UINT32_MAX))
492 #if defined(TARGET_PPC64)
493 void do_subfmeo_64 (void)
496 T0 = ~T0 + xer_ca - 1;
497 if (likely(!((uint64_t)~T1 & ((uint64_t)~T1 ^ (uint64_t)T0) &
504 if (likely((uint64_t)T1 != UINT64_MAX))
509 void do_subfzeo (void)
513 if (likely(!(((uint32_t)~T1 ^ UINT32_MAX) &
514 ((uint32_t)(~T1) ^ (uint32_t)T0) & (1UL << 31)))) {
520 if (likely((uint32_t)T0 >= (uint32_t)~T1)) {
527 #if defined(TARGET_PPC64)
528 void do_subfzeo_64 (void)
532 if (likely(!(((uint64_t)~T1 ^ UINT64_MAX) &
533 ((uint64_t)(~T1) ^ (uint64_t)T0) & (1ULL << 63)))) {
539 if (likely((uint64_t)T0 >= (uint64_t)~T1)) {
547 /* shift right arithmetic helper */
552 if (likely(!(T1 & 0x20UL))) {
553 if (likely((uint32_t)T1 != 0)) {
554 ret = (int32_t)T0 >> (T1 & 0x1fUL);
555 if (likely(ret >= 0 || ((int32_t)T0 & ((1 << T1) - 1)) == 0)) {
565 ret = (-1) * ((uint32_t)T0 >> 31);
566 if (likely(ret >= 0 || ((uint32_t)T0 & ~0x80000000UL) == 0)) {
575 #if defined(TARGET_PPC64)
580 if (likely(!(T1 & 0x40UL))) {
581 if (likely((uint64_t)T1 != 0)) {
582 ret = (int64_t)T0 >> (T1 & 0x3FUL);
583 if (likely(ret >= 0 || ((int64_t)T0 & ((1 << T1) - 1)) == 0)) {
593 ret = (-1) * ((uint64_t)T0 >> 63);
594 if (likely(ret >= 0 || ((uint64_t)T0 & ~0x8000000000000000ULL) == 0)) {
604 static always_inline int popcnt (uint32_t val)
608 for (i = 0; val != 0;)
609 val = val ^ (val - 1);
614 void do_popcntb (void)
620 for (i = 0; i < 32; i += 8)
621 ret |= popcnt((T0 >> i) & 0xFF) << i;
625 #if defined(TARGET_PPC64)
626 void do_popcntb_64 (void)
632 for (i = 0; i < 64; i += 8)
633 ret |= popcnt((T0 >> i) & 0xFF) << i;
638 /*****************************************************************************/
639 /* Floating point operations helpers */
647 p.i = float64_to_int32(FT0, &env->fp_status);
648 #if USE_PRECISE_EMULATION
649 /* XXX: higher bits are not supposed to be significant.
650 * to make tests easier, return the same as a real PowerPC 750 (aka G3)
652 p.i |= 0xFFF80000ULL << 32;
657 void do_fctiwz (void)
664 p.i = float64_to_int32_round_to_zero(FT0, &env->fp_status);
665 #if USE_PRECISE_EMULATION
666 /* XXX: higher bits are not supposed to be significant.
667 * to make tests easier, return the same as a real PowerPC 750 (aka G3)
669 p.i |= 0xFFF80000ULL << 32;
674 #if defined(TARGET_PPC64)
683 FT0 = int64_to_float64(p.i, &env->fp_status);
693 p.i = float64_to_int64(FT0, &env->fp_status);
697 void do_fctidz (void)
704 p.i = float64_to_int64_round_to_zero(FT0, &env->fp_status);
710 static always_inline void do_fri (int rounding_mode)
714 curmode = env->fp_status.float_rounding_mode;
715 set_float_rounding_mode(rounding_mode, &env->fp_status);
716 FT0 = float64_round_to_int(FT0, &env->fp_status);
717 set_float_rounding_mode(curmode, &env->fp_status);
722 do_fri(float_round_nearest_even);
727 do_fri(float_round_to_zero);
732 do_fri(float_round_up);
737 do_fri(float_round_down);
740 #if USE_PRECISE_EMULATION
744 float128 ft0_128, ft1_128;
746 ft0_128 = float64_to_float128(FT0, &env->fp_status);
747 ft1_128 = float64_to_float128(FT1, &env->fp_status);
748 ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
749 ft1_128 = float64_to_float128(FT2, &env->fp_status);
750 ft0_128 = float128_add(ft0_128, ft1_128, &env->fp_status);
751 FT0 = float128_to_float64(ft0_128, &env->fp_status);
753 /* This is OK on x86 hosts */
754 FT0 = (FT0 * FT1) + FT2;
761 float128 ft0_128, ft1_128;
763 ft0_128 = float64_to_float128(FT0, &env->fp_status);
764 ft1_128 = float64_to_float128(FT1, &env->fp_status);
765 ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
766 ft1_128 = float64_to_float128(FT2, &env->fp_status);
767 ft0_128 = float128_sub(ft0_128, ft1_128, &env->fp_status);
768 FT0 = float128_to_float64(ft0_128, &env->fp_status);
770 /* This is OK on x86 hosts */
771 FT0 = (FT0 * FT1) - FT2;
774 #endif /* USE_PRECISE_EMULATION */
776 void do_fnmadd (void)
778 #if USE_PRECISE_EMULATION
780 float128 ft0_128, ft1_128;
782 ft0_128 = float64_to_float128(FT0, &env->fp_status);
783 ft1_128 = float64_to_float128(FT1, &env->fp_status);
784 ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
785 ft1_128 = float64_to_float128(FT2, &env->fp_status);
786 ft0_128 = float128_add(ft0_128, ft1_128, &env->fp_status);
787 FT0 = float128_to_float64(ft0_128, &env->fp_status);
789 /* This is OK on x86 hosts */
790 FT0 = (FT0 * FT1) + FT2;
793 FT0 = float64_mul(FT0, FT1, &env->fp_status);
794 FT0 = float64_add(FT0, FT2, &env->fp_status);
796 if (likely(!isnan(FT0)))
797 FT0 = float64_chs(FT0);
800 void do_fnmsub (void)
802 #if USE_PRECISE_EMULATION
804 float128 ft0_128, ft1_128;
806 ft0_128 = float64_to_float128(FT0, &env->fp_status);
807 ft1_128 = float64_to_float128(FT1, &env->fp_status);
808 ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
809 ft1_128 = float64_to_float128(FT2, &env->fp_status);
810 ft0_128 = float128_sub(ft0_128, ft1_128, &env->fp_status);
811 FT0 = float128_to_float64(ft0_128, &env->fp_status);
813 /* This is OK on x86 hosts */
814 FT0 = (FT0 * FT1) - FT2;
817 FT0 = float64_mul(FT0, FT1, &env->fp_status);
818 FT0 = float64_sub(FT0, FT2, &env->fp_status);
820 if (likely(!isnan(FT0)))
821 FT0 = float64_chs(FT0);
826 FT0 = float64_sqrt(FT0, &env->fp_status);
836 if (likely(isnormal(FT0))) {
837 FT0 = float64_div(1.0, FT0, &env->fp_status);
840 if (p.i == 0x8000000000000000ULL) {
841 p.i = 0xFFF0000000000000ULL;
842 } else if (p.i == 0x0000000000000000ULL) {
843 p.i = 0x7FF0000000000000ULL;
844 } else if (isnan(FT0)) {
845 p.i = 0x7FF8000000000000ULL;
846 } else if (FT0 < 0.0) {
847 p.i = 0x8000000000000000ULL;
849 p.i = 0x0000000000000000ULL;
862 if (likely(isnormal(FT0))) {
863 #if USE_PRECISE_EMULATION
864 FT0 = float64_div(1.0, FT0, &env->fp_status);
865 FT0 = float64_to_float32(FT0, &env->fp_status);
867 FT0 = float32_div(1.0, FT0, &env->fp_status);
871 if (p.i == 0x8000000000000000ULL) {
872 p.i = 0xFFF0000000000000ULL;
873 } else if (p.i == 0x0000000000000000ULL) {
874 p.i = 0x7FF0000000000000ULL;
875 } else if (isnan(FT0)) {
876 p.i = 0x7FF8000000000000ULL;
877 } else if (FT0 < 0.0) {
878 p.i = 0x8000000000000000ULL;
880 p.i = 0x0000000000000000ULL;
886 void do_frsqrte (void)
893 if (likely(isnormal(FT0) && FT0 > 0.0)) {
894 FT0 = float64_sqrt(FT0, &env->fp_status);
895 FT0 = float32_div(1.0, FT0, &env->fp_status);
898 if (p.i == 0x8000000000000000ULL) {
899 p.i = 0xFFF0000000000000ULL;
900 } else if (p.i == 0x0000000000000000ULL) {
901 p.i = 0x7FF0000000000000ULL;
902 } else if (isnan(FT0)) {
903 if (!(p.i & 0x0008000000000000ULL))
904 p.i |= 0x000FFFFFFFFFFFFFULL;
905 } else if (FT0 < 0) {
906 p.i = 0x7FF8000000000000ULL;
908 p.i = 0x0000000000000000ULL;
924 if (likely(!isnan(FT0) && !isnan(FT1))) {
925 if (float64_lt(FT0, FT1, &env->fp_status)) {
927 } else if (!float64_le(FT0, FT1, &env->fp_status)) {
934 env->fpscr[4] |= 0x1;
935 env->fpscr[6] |= 0x1;
942 env->fpscr[4] &= ~0x1;
943 if (likely(!isnan(FT0) && !isnan(FT1))) {
944 if (float64_lt(FT0, FT1, &env->fp_status)) {
946 } else if (!float64_le(FT0, FT1, &env->fp_status)) {
953 env->fpscr[4] |= 0x1;
954 if (!float64_is_signaling_nan(FT0) || !float64_is_signaling_nan(FT1)) {
956 env->fpscr[6] |= 0x1;
957 if (!(env->fpscr[1] & 0x8))
958 env->fpscr[4] |= 0x8;
960 env->fpscr[4] |= 0x8;
966 #if !defined (CONFIG_USER_ONLY)
967 void cpu_dump_rfi (target_ulong RA, target_ulong msr);
970 #if defined(TARGET_PPC64)
971 if (env->spr[SPR_SRR1] & (1ULL << MSR_SF)) {
972 env->nip = (uint64_t)(env->spr[SPR_SRR0] & ~0x00000003);
973 do_store_msr(env, (uint64_t)(env->spr[SPR_SRR1] & ~0xFFFF0000UL));
975 env->nip = (uint32_t)(env->spr[SPR_SRR0] & ~0x00000003);
976 ppc_store_msr_32(env, (uint32_t)(env->spr[SPR_SRR1] & ~0xFFFF0000UL));
979 env->nip = (uint32_t)(env->spr[SPR_SRR0] & ~0x00000003);
980 do_store_msr(env, (uint32_t)(env->spr[SPR_SRR1] & ~0xFFFF0000UL));
982 #if defined (DEBUG_OP)
983 cpu_dump_rfi(env->nip, do_load_msr(env));
985 env->interrupt_request |= CPU_INTERRUPT_EXITTB;
988 #if defined(TARGET_PPC64)
991 if (env->spr[SPR_SRR1] & (1ULL << MSR_SF)) {
992 env->nip = (uint64_t)(env->spr[SPR_SRR0] & ~0x00000003);
993 do_store_msr(env, (uint64_t)(env->spr[SPR_SRR1] & ~0xFFFF0000UL));
995 env->nip = (uint32_t)(env->spr[SPR_SRR0] & ~0x00000003);
996 do_store_msr(env, (uint32_t)(env->spr[SPR_SRR1] & ~0xFFFF0000UL));
998 #if defined (DEBUG_OP)
999 cpu_dump_rfi(env->nip, do_load_msr(env));
1001 env->interrupt_request |= CPU_INTERRUPT_EXITTB;
1004 #if defined(TARGET_PPC64H)
1005 void do_hrfid (void)
1007 if (env->spr[SPR_HSRR1] & (1ULL << MSR_SF)) {
1008 env->nip = (uint64_t)(env->spr[SPR_HSRR0] & ~0x00000003);
1009 do_store_msr(env, (uint64_t)(env->spr[SPR_HSRR1] & ~0xFFFF0000UL));
1011 env->nip = (uint32_t)(env->spr[SPR_HSRR0] & ~0x00000003);
1012 do_store_msr(env, (uint32_t)(env->spr[SPR_HSRR1] & ~0xFFFF0000UL));
1014 #if defined (DEBUG_OP)
1015 cpu_dump_rfi(env->nip, do_load_msr(env));
1017 env->interrupt_request |= CPU_INTERRUPT_EXITTB;
1022 void do_tw (int flags)
1024 if (!likely(!(((int32_t)T0 < (int32_t)T1 && (flags & 0x10)) ||
1025 ((int32_t)T0 > (int32_t)T1 && (flags & 0x08)) ||
1026 ((int32_t)T0 == (int32_t)T1 && (flags & 0x04)) ||
1027 ((uint32_t)T0 < (uint32_t)T1 && (flags & 0x02)) ||
1028 ((uint32_t)T0 > (uint32_t)T1 && (flags & 0x01))))) {
1029 do_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
1033 #if defined(TARGET_PPC64)
1034 void do_td (int flags)
1036 if (!likely(!(((int64_t)T0 < (int64_t)T1 && (flags & 0x10)) ||
1037 ((int64_t)T0 > (int64_t)T1 && (flags & 0x08)) ||
1038 ((int64_t)T0 == (int64_t)T1 && (flags & 0x04)) ||
1039 ((uint64_t)T0 < (uint64_t)T1 && (flags & 0x02)) ||
1040 ((uint64_t)T0 > (uint64_t)T1 && (flags & 0x01)))))
1041 do_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
1045 /*****************************************************************************/
1046 /* PowerPC 601 specific instructions (POWER bridge) */
1047 void do_POWER_abso (void)
1049 if ((uint32_t)T0 == INT32_MIN) {
1059 void do_POWER_clcs (void)
1063 /* Instruction cache line size */
1064 T0 = env->icache_line_size;
1067 /* Data cache line size */
1068 T0 = env->dcache_line_size;
1071 /* Minimum cache line size */
1072 T0 = env->icache_line_size < env->dcache_line_size ?
1073 env->icache_line_size : env->dcache_line_size;
1076 /* Maximum cache line size */
1077 T0 = env->icache_line_size > env->dcache_line_size ?
1078 env->icache_line_size : env->dcache_line_size;
1086 void do_POWER_div (void)
1090 if (((int32_t)T0 == INT32_MIN && (int32_t)T1 == -1) || (int32_t)T1 == 0) {
1091 T0 = (long)((-1) * (T0 >> 31));
1092 env->spr[SPR_MQ] = 0;
1094 tmp = ((uint64_t)T0 << 32) | env->spr[SPR_MQ];
1095 env->spr[SPR_MQ] = tmp % T1;
1096 T0 = tmp / (int32_t)T1;
1100 void do_POWER_divo (void)
1104 if (((int32_t)T0 == INT32_MIN && (int32_t)T1 == -1) || (int32_t)T1 == 0) {
1105 T0 = (long)((-1) * (T0 >> 31));
1106 env->spr[SPR_MQ] = 0;
1110 tmp = ((uint64_t)T0 << 32) | env->spr[SPR_MQ];
1111 env->spr[SPR_MQ] = tmp % T1;
1113 if (tmp > (int64_t)INT32_MAX || tmp < (int64_t)INT32_MIN) {
1123 void do_POWER_divs (void)
1125 if (((int32_t)T0 == INT32_MIN && (int32_t)T1 == -1) || (int32_t)T1 == 0) {
1126 T0 = (long)((-1) * (T0 >> 31));
1127 env->spr[SPR_MQ] = 0;
1129 env->spr[SPR_MQ] = T0 % T1;
1130 T0 = (int32_t)T0 / (int32_t)T1;
1134 void do_POWER_divso (void)
1136 if (((int32_t)T0 == INT32_MIN && (int32_t)T1 == -1) || (int32_t)T1 == 0) {
1137 T0 = (long)((-1) * (T0 >> 31));
1138 env->spr[SPR_MQ] = 0;
1142 T0 = (int32_t)T0 / (int32_t)T1;
1143 env->spr[SPR_MQ] = (int32_t)T0 % (int32_t)T1;
1148 void do_POWER_dozo (void)
1150 if ((int32_t)T1 > (int32_t)T0) {
1153 if (((uint32_t)(~T2) ^ (uint32_t)T1 ^ UINT32_MAX) &
1154 ((uint32_t)(~T2) ^ (uint32_t)T0) & (1UL << 31)) {
1166 void do_POWER_maskg (void)
1170 if ((uint32_t)T0 == (uint32_t)(T1 + 1)) {
1173 ret = (((uint32_t)(-1)) >> ((uint32_t)T0)) ^
1174 (((uint32_t)(-1) >> ((uint32_t)T1)) >> 1);
1175 if ((uint32_t)T0 > (uint32_t)T1)
1181 void do_POWER_mulo (void)
1185 tmp = (uint64_t)T0 * (uint64_t)T1;
1186 env->spr[SPR_MQ] = tmp >> 32;
1188 if (tmp >> 32 != ((uint64_t)T0 >> 16) * ((uint64_t)T1 >> 16)) {
1196 #if !defined (CONFIG_USER_ONLY)
1197 void do_POWER_rac (void)
1202 /* We don't have to generate many instances of this instruction,
1203 * as rac is supervisor only.
1205 if (get_physical_address(env, &ctx, T0, 0, ACCESS_INT, 1) == 0)
1210 void do_POWER_rfsvc (void)
1212 env->nip = env->lr & ~0x00000003UL;
1213 T0 = env->ctr & 0x0000FFFFUL;
1214 do_store_msr(env, T0);
1215 #if defined (DEBUG_OP)
1216 cpu_dump_rfi(env->nip, do_load_msr(env));
1218 env->interrupt_request |= CPU_INTERRUPT_EXITTB;
1221 /* PowerPC 601 BAT management helper */
1222 void do_store_601_batu (int nr)
1224 do_store_ibatu(env, nr, (uint32_t)T0);
1225 env->DBAT[0][nr] = env->IBAT[0][nr];
1226 env->DBAT[1][nr] = env->IBAT[1][nr];
1230 /*****************************************************************************/
1231 /* 602 specific instructions */
1232 /* mfrom is the most crazy instruction ever seen, imho ! */
1233 /* Real implementation uses a ROM table. Do the same */
1234 #define USE_MFROM_ROM_TABLE
1235 void do_op_602_mfrom (void)
1237 if (likely(T0 < 602)) {
1238 #if defined(USE_MFROM_ROM_TABLE)
1239 #include "mfrom_table.c"
1240 T0 = mfrom_ROM_table[T0];
1243 /* Extremly decomposed:
1245 * T0 = 256 * log10(10 + 1.0) + 0.5
1248 d = float64_div(d, 256, &env->fp_status);
1250 d = exp10(d); // XXX: use float emulation function
1251 d = float64_add(d, 1.0, &env->fp_status);
1252 d = log10(d); // XXX: use float emulation function
1253 d = float64_mul(d, 256, &env->fp_status);
1254 d = float64_add(d, 0.5, &env->fp_status);
1255 T0 = float64_round_to_int(d, &env->fp_status);
1262 /*****************************************************************************/
1263 /* Embedded PowerPC specific helpers */
1264 void do_405_check_ov (void)
1266 if (likely((((uint32_t)T1 ^ (uint32_t)T2) >> 31) ||
1267 !(((uint32_t)T0 ^ (uint32_t)T2) >> 31))) {
1275 void do_405_check_sat (void)
1277 if (!likely((((uint32_t)T1 ^ (uint32_t)T2) >> 31) ||
1278 !(((uint32_t)T0 ^ (uint32_t)T2) >> 31))) {
1279 /* Saturate result */
1288 /* XXX: to be improved to check access rights when in user-mode */
1289 void do_load_dcr (void)
1293 if (unlikely(env->dcr_env == NULL)) {
1294 if (loglevel != 0) {
1295 fprintf(logfile, "No DCR environment\n");
1297 do_raise_exception_err(POWERPC_EXCP_PROGRAM,
1298 POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL);
1299 } else if (unlikely(ppc_dcr_read(env->dcr_env, T0, &val) != 0)) {
1300 if (loglevel != 0) {
1301 fprintf(logfile, "DCR read error %d %03x\n", (int)T0, (int)T0);
1303 do_raise_exception_err(POWERPC_EXCP_PROGRAM,
1304 POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG);
1310 void do_store_dcr (void)
1312 if (unlikely(env->dcr_env == NULL)) {
1313 if (loglevel != 0) {
1314 fprintf(logfile, "No DCR environment\n");
1316 do_raise_exception_err(POWERPC_EXCP_PROGRAM,
1317 POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL);
1318 } else if (unlikely(ppc_dcr_write(env->dcr_env, T0, T1) != 0)) {
1319 if (loglevel != 0) {
1320 fprintf(logfile, "DCR write error %d %03x\n", (int)T0, (int)T0);
1322 do_raise_exception_err(POWERPC_EXCP_PROGRAM,
1323 POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG);
1327 #if !defined(CONFIG_USER_ONLY)
1328 void do_40x_rfci (void)
1330 env->nip = env->spr[SPR_40x_SRR2];
1331 do_store_msr(env, env->spr[SPR_40x_SRR3] & ~0xFFFF0000);
1332 #if defined (DEBUG_OP)
1333 cpu_dump_rfi(env->nip, do_load_msr(env));
1335 env->interrupt_request = CPU_INTERRUPT_EXITTB;
1340 #if defined(TARGET_PPC64)
1341 if (env->spr[SPR_BOOKE_CSRR1] & (1 << MSR_CM)) {
1342 env->nip = (uint64_t)env->spr[SPR_BOOKE_CSRR0];
1346 env->nip = (uint32_t)env->spr[SPR_BOOKE_CSRR0];
1348 do_store_msr(env, (uint32_t)env->spr[SPR_BOOKE_CSRR1] & ~0x3FFF0000);
1349 #if defined (DEBUG_OP)
1350 cpu_dump_rfi(env->nip, do_load_msr(env));
1352 env->interrupt_request = CPU_INTERRUPT_EXITTB;
1357 #if defined(TARGET_PPC64)
1358 if (env->spr[SPR_BOOKE_DSRR1] & (1 << MSR_CM)) {
1359 env->nip = (uint64_t)env->spr[SPR_BOOKE_DSRR0];
1363 env->nip = (uint32_t)env->spr[SPR_BOOKE_DSRR0];
1365 do_store_msr(env, (uint32_t)env->spr[SPR_BOOKE_DSRR1] & ~0x3FFF0000);
1366 #if defined (DEBUG_OP)
1367 cpu_dump_rfi(env->nip, do_load_msr(env));
1369 env->interrupt_request = CPU_INTERRUPT_EXITTB;
1372 void do_rfmci (void)
1374 #if defined(TARGET_PPC64)
1375 if (env->spr[SPR_BOOKE_MCSRR1] & (1 << MSR_CM)) {
1376 env->nip = (uint64_t)env->spr[SPR_BOOKE_MCSRR0];
1380 env->nip = (uint32_t)env->spr[SPR_BOOKE_MCSRR0];
1382 do_store_msr(env, (uint32_t)env->spr[SPR_BOOKE_MCSRR1] & ~0x3FFF0000);
1383 #if defined (DEBUG_OP)
1384 cpu_dump_rfi(env->nip, do_load_msr(env));
1386 env->interrupt_request = CPU_INTERRUPT_EXITTB;
1389 void do_load_403_pb (int num)
1394 void do_store_403_pb (int num)
1396 if (likely(env->pb[num] != T0)) {
1398 /* Should be optimized */
1405 void do_440_dlmzb (void)
1411 for (mask = 0xFF000000; mask != 0; mask = mask >> 8) {
1412 if ((T0 & mask) == 0)
1416 for (mask = 0xFF000000; mask != 0; mask = mask >> 8) {
1417 if ((T1 & mask) == 0)
1425 #if defined(TARGET_PPCEMB)
1426 /* SPE extension helpers */
1427 /* Use a table to make this quicker */
1428 static uint8_t hbrev[16] = {
1429 0x0, 0x8, 0x4, 0xC, 0x2, 0xA, 0x6, 0xE,
1430 0x1, 0x9, 0x5, 0xD, 0x3, 0xB, 0x7, 0xF,
1433 static always_inline uint8_t byte_reverse (uint8_t val)
1435 return hbrev[val >> 4] | (hbrev[val & 0xF] << 4);
1438 static always_inline uint32_t word_reverse (uint32_t val)
1440 return byte_reverse(val >> 24) | (byte_reverse(val >> 16) << 8) |
1441 (byte_reverse(val >> 8) << 16) | (byte_reverse(val) << 24);
1444 #define MASKBITS 16 // Random value - to be fixed
1445 void do_brinc (void)
1447 uint32_t a, b, d, mask;
1449 mask = (uint32_t)(-1UL) >> MASKBITS;
1452 d = word_reverse(1 + word_reverse(a | ~mask));
1453 T0_64 = (T0_64 & ~mask) | (d & mask);
1456 #define DO_SPE_OP2(name) \
1457 void do_ev##name (void) \
1459 T0_64 = ((uint64_t)_do_e##name(T0_64 >> 32, T1_64 >> 32) << 32) | \
1460 (uint64_t)_do_e##name(T0_64, T1_64); \
1463 #define DO_SPE_OP1(name) \
1464 void do_ev##name (void) \
1466 T0_64 = ((uint64_t)_do_e##name(T0_64 >> 32) << 32) | \
1467 (uint64_t)_do_e##name(T0_64); \
1470 /* Fixed-point vector arithmetic */
1471 static always_inline uint32_t _do_eabs (uint32_t val)
1473 if (val != 0x80000000)
1479 static always_inline uint32_t _do_eaddw (uint32_t op1, uint32_t op2)
1484 static always_inline int _do_ecntlsw (uint32_t val)
1486 if (val & 0x80000000)
1487 return _do_cntlzw(~val);
1489 return _do_cntlzw(val);
1492 static always_inline int _do_ecntlzw (uint32_t val)
1494 return _do_cntlzw(val);
1497 static always_inline uint32_t _do_eneg (uint32_t val)
1499 if (val != 0x80000000)
1505 static always_inline uint32_t _do_erlw (uint32_t op1, uint32_t op2)
1507 return rotl32(op1, op2);
1510 static always_inline uint32_t _do_erndw (uint32_t val)
1512 return (val + 0x000080000000) & 0xFFFF0000;
1515 static always_inline uint32_t _do_eslw (uint32_t op1, uint32_t op2)
1517 /* No error here: 6 bits are used */
1518 return op1 << (op2 & 0x3F);
1521 static always_inline int32_t _do_esrws (int32_t op1, uint32_t op2)
1523 /* No error here: 6 bits are used */
1524 return op1 >> (op2 & 0x3F);
1527 static always_inline uint32_t _do_esrwu (uint32_t op1, uint32_t op2)
1529 /* No error here: 6 bits are used */
1530 return op1 >> (op2 & 0x3F);
1533 static always_inline uint32_t _do_esubfw (uint32_t op1, uint32_t op2)
1561 /* evsel is a little bit more complicated... */
1562 static always_inline uint32_t _do_esel (uint32_t op1, uint32_t op2, int n)
1570 void do_evsel (void)
1572 T0_64 = ((uint64_t)_do_esel(T0_64 >> 32, T1_64 >> 32, T0 >> 3) << 32) |
1573 (uint64_t)_do_esel(T0_64, T1_64, (T0 >> 2) & 1);
1576 /* Fixed-point vector comparisons */
1577 #define DO_SPE_CMP(name) \
1578 void do_ev##name (void) \
1580 T0 = _do_evcmp_merge((uint64_t)_do_e##name(T0_64 >> 32, \
1581 T1_64 >> 32) << 32, \
1582 _do_e##name(T0_64, T1_64)); \
1585 static always_inline uint32_t _do_evcmp_merge (int t0, int t1)
1587 return (t0 << 3) | (t1 << 2) | ((t0 | t1) << 1) | (t0 & t1);
1589 static always_inline int _do_ecmpeq (uint32_t op1, uint32_t op2)
1591 return op1 == op2 ? 1 : 0;
1594 static always_inline int _do_ecmpgts (int32_t op1, int32_t op2)
1596 return op1 > op2 ? 1 : 0;
1599 static always_inline int _do_ecmpgtu (uint32_t op1, uint32_t op2)
1601 return op1 > op2 ? 1 : 0;
1604 static always_inline int _do_ecmplts (int32_t op1, int32_t op2)
1606 return op1 < op2 ? 1 : 0;
1609 static always_inline int _do_ecmpltu (uint32_t op1, uint32_t op2)
1611 return op1 < op2 ? 1 : 0;
1625 /* Single precision floating-point conversions from/to integer */
1626 static always_inline uint32_t _do_efscfsi (int32_t val)
1633 u.f = int32_to_float32(val, &env->spe_status);
1638 static always_inline uint32_t _do_efscfui (uint32_t val)
1645 u.f = uint32_to_float32(val, &env->spe_status);
1650 static always_inline int32_t _do_efsctsi (uint32_t val)
1658 /* NaN are not treated the same way IEEE 754 does */
1659 if (unlikely(isnan(u.f)))
1662 return float32_to_int32(u.f, &env->spe_status);
1665 static always_inline uint32_t _do_efsctui (uint32_t val)
1673 /* NaN are not treated the same way IEEE 754 does */
1674 if (unlikely(isnan(u.f)))
1677 return float32_to_uint32(u.f, &env->spe_status);
1680 static always_inline int32_t _do_efsctsiz (uint32_t val)
1688 /* NaN are not treated the same way IEEE 754 does */
1689 if (unlikely(isnan(u.f)))
1692 return float32_to_int32_round_to_zero(u.f, &env->spe_status);
1695 static always_inline uint32_t _do_efsctuiz (uint32_t val)
1703 /* NaN are not treated the same way IEEE 754 does */
1704 if (unlikely(isnan(u.f)))
1707 return float32_to_uint32_round_to_zero(u.f, &env->spe_status);
1710 void do_efscfsi (void)
1712 T0_64 = _do_efscfsi(T0_64);
1715 void do_efscfui (void)
1717 T0_64 = _do_efscfui(T0_64);
1720 void do_efsctsi (void)
1722 T0_64 = _do_efsctsi(T0_64);
1725 void do_efsctui (void)
1727 T0_64 = _do_efsctui(T0_64);
1730 void do_efsctsiz (void)
1732 T0_64 = _do_efsctsiz(T0_64);
1735 void do_efsctuiz (void)
1737 T0_64 = _do_efsctuiz(T0_64);
1740 /* Single precision floating-point conversion to/from fractional */
1741 static always_inline uint32_t _do_efscfsf (uint32_t val)
1749 u.f = int32_to_float32(val, &env->spe_status);
1750 tmp = int64_to_float32(1ULL << 32, &env->spe_status);
1751 u.f = float32_div(u.f, tmp, &env->spe_status);
1756 static always_inline uint32_t _do_efscfuf (uint32_t val)
1764 u.f = uint32_to_float32(val, &env->spe_status);
1765 tmp = uint64_to_float32(1ULL << 32, &env->spe_status);
1766 u.f = float32_div(u.f, tmp, &env->spe_status);
1771 static always_inline int32_t _do_efsctsf (uint32_t val)
1780 /* NaN are not treated the same way IEEE 754 does */
1781 if (unlikely(isnan(u.f)))
1783 tmp = uint64_to_float32(1ULL << 32, &env->spe_status);
1784 u.f = float32_mul(u.f, tmp, &env->spe_status);
1786 return float32_to_int32(u.f, &env->spe_status);
1789 static always_inline uint32_t _do_efsctuf (uint32_t val)
1798 /* NaN are not treated the same way IEEE 754 does */
1799 if (unlikely(isnan(u.f)))
1801 tmp = uint64_to_float32(1ULL << 32, &env->spe_status);
1802 u.f = float32_mul(u.f, tmp, &env->spe_status);
1804 return float32_to_uint32(u.f, &env->spe_status);
1807 static always_inline int32_t _do_efsctsfz (uint32_t val)
1816 /* NaN are not treated the same way IEEE 754 does */
1817 if (unlikely(isnan(u.f)))
1819 tmp = uint64_to_float32(1ULL << 32, &env->spe_status);
1820 u.f = float32_mul(u.f, tmp, &env->spe_status);
1822 return float32_to_int32_round_to_zero(u.f, &env->spe_status);
1825 static always_inline uint32_t _do_efsctufz (uint32_t val)
1834 /* NaN are not treated the same way IEEE 754 does */
1835 if (unlikely(isnan(u.f)))
1837 tmp = uint64_to_float32(1ULL << 32, &env->spe_status);
1838 u.f = float32_mul(u.f, tmp, &env->spe_status);
1840 return float32_to_uint32_round_to_zero(u.f, &env->spe_status);
1843 void do_efscfsf (void)
1845 T0_64 = _do_efscfsf(T0_64);
1848 void do_efscfuf (void)
1850 T0_64 = _do_efscfuf(T0_64);
1853 void do_efsctsf (void)
1855 T0_64 = _do_efsctsf(T0_64);
1858 void do_efsctuf (void)
1860 T0_64 = _do_efsctuf(T0_64);
1863 void do_efsctsfz (void)
1865 T0_64 = _do_efsctsfz(T0_64);
1868 void do_efsctufz (void)
1870 T0_64 = _do_efsctufz(T0_64);
1873 /* Double precision floating point helpers */
1874 static always_inline int _do_efdcmplt (uint64_t op1, uint64_t op2)
1876 /* XXX: TODO: test special values (NaN, infinites, ...) */
1877 return _do_efdtstlt(op1, op2);
1880 static always_inline int _do_efdcmpgt (uint64_t op1, uint64_t op2)
1882 /* XXX: TODO: test special values (NaN, infinites, ...) */
1883 return _do_efdtstgt(op1, op2);
1886 static always_inline int _do_efdcmpeq (uint64_t op1, uint64_t op2)
1888 /* XXX: TODO: test special values (NaN, infinites, ...) */
1889 return _do_efdtsteq(op1, op2);
1892 void do_efdcmplt (void)
1894 T0 = _do_efdcmplt(T0_64, T1_64);
1897 void do_efdcmpgt (void)
1899 T0 = _do_efdcmpgt(T0_64, T1_64);
1902 void do_efdcmpeq (void)
1904 T0 = _do_efdcmpeq(T0_64, T1_64);
1907 /* Double precision floating-point conversion to/from integer */
1908 static always_inline uint64_t _do_efdcfsi (int64_t val)
1915 u.f = int64_to_float64(val, &env->spe_status);
1920 static always_inline uint64_t _do_efdcfui (uint64_t val)
1927 u.f = uint64_to_float64(val, &env->spe_status);
1932 static always_inline int64_t _do_efdctsi (uint64_t val)
1940 /* NaN are not treated the same way IEEE 754 does */
1941 if (unlikely(isnan(u.f)))
1944 return float64_to_int64(u.f, &env->spe_status);
1947 static always_inline uint64_t _do_efdctui (uint64_t val)
1955 /* NaN are not treated the same way IEEE 754 does */
1956 if (unlikely(isnan(u.f)))
1959 return float64_to_uint64(u.f, &env->spe_status);
1962 static always_inline int64_t _do_efdctsiz (uint64_t val)
1970 /* NaN are not treated the same way IEEE 754 does */
1971 if (unlikely(isnan(u.f)))
1974 return float64_to_int64_round_to_zero(u.f, &env->spe_status);
1977 static always_inline uint64_t _do_efdctuiz (uint64_t val)
1985 /* NaN are not treated the same way IEEE 754 does */
1986 if (unlikely(isnan(u.f)))
1989 return float64_to_uint64_round_to_zero(u.f, &env->spe_status);
1992 void do_efdcfsi (void)
1994 T0_64 = _do_efdcfsi(T0_64);
1997 void do_efdcfui (void)
1999 T0_64 = _do_efdcfui(T0_64);
2002 void do_efdctsi (void)
2004 T0_64 = _do_efdctsi(T0_64);
2007 void do_efdctui (void)
2009 T0_64 = _do_efdctui(T0_64);
2012 void do_efdctsiz (void)
2014 T0_64 = _do_efdctsiz(T0_64);
2017 void do_efdctuiz (void)
2019 T0_64 = _do_efdctuiz(T0_64);
2022 /* Double precision floating-point conversion to/from fractional */
2023 static always_inline uint64_t _do_efdcfsf (int64_t val)
2031 u.f = int32_to_float64(val, &env->spe_status);
2032 tmp = int64_to_float64(1ULL << 32, &env->spe_status);
2033 u.f = float64_div(u.f, tmp, &env->spe_status);
2038 static always_inline uint64_t _do_efdcfuf (uint64_t val)
2046 u.f = uint32_to_float64(val, &env->spe_status);
2047 tmp = int64_to_float64(1ULL << 32, &env->spe_status);
2048 u.f = float64_div(u.f, tmp, &env->spe_status);
2053 static always_inline int64_t _do_efdctsf (uint64_t val)
2062 /* NaN are not treated the same way IEEE 754 does */
2063 if (unlikely(isnan(u.f)))
2065 tmp = uint64_to_float64(1ULL << 32, &env->spe_status);
2066 u.f = float64_mul(u.f, tmp, &env->spe_status);
2068 return float64_to_int32(u.f, &env->spe_status);
2071 static always_inline uint64_t _do_efdctuf (uint64_t val)
2080 /* NaN are not treated the same way IEEE 754 does */
2081 if (unlikely(isnan(u.f)))
2083 tmp = uint64_to_float64(1ULL << 32, &env->spe_status);
2084 u.f = float64_mul(u.f, tmp, &env->spe_status);
2086 return float64_to_uint32(u.f, &env->spe_status);
2089 static always_inline int64_t _do_efdctsfz (uint64_t val)
2098 /* NaN are not treated the same way IEEE 754 does */
2099 if (unlikely(isnan(u.f)))
2101 tmp = uint64_to_float64(1ULL << 32, &env->spe_status);
2102 u.f = float64_mul(u.f, tmp, &env->spe_status);
2104 return float64_to_int32_round_to_zero(u.f, &env->spe_status);
2107 static always_inline uint64_t _do_efdctufz (uint64_t val)
2116 /* NaN are not treated the same way IEEE 754 does */
2117 if (unlikely(isnan(u.f)))
2119 tmp = uint64_to_float64(1ULL << 32, &env->spe_status);
2120 u.f = float64_mul(u.f, tmp, &env->spe_status);
2122 return float64_to_uint32_round_to_zero(u.f, &env->spe_status);
2125 void do_efdcfsf (void)
2127 T0_64 = _do_efdcfsf(T0_64);
2130 void do_efdcfuf (void)
2132 T0_64 = _do_efdcfuf(T0_64);
2135 void do_efdctsf (void)
2137 T0_64 = _do_efdctsf(T0_64);
2140 void do_efdctuf (void)
2142 T0_64 = _do_efdctuf(T0_64);
2145 void do_efdctsfz (void)
2147 T0_64 = _do_efdctsfz(T0_64);
2150 void do_efdctufz (void)
2152 T0_64 = _do_efdctufz(T0_64);
2155 /* Floating point conversion between single and double precision */
2156 static always_inline uint32_t _do_efscfd (uint64_t val)
2168 u2.f = float64_to_float32(u1.f, &env->spe_status);
2173 static always_inline uint64_t _do_efdcfs (uint32_t val)
2185 u2.f = float32_to_float64(u1.f, &env->spe_status);
2190 void do_efscfd (void)
2192 T0_64 = _do_efscfd(T0_64);
2195 void do_efdcfs (void)
2197 T0_64 = _do_efdcfs(T0_64);
2200 /* Single precision fixed-point vector arithmetic */
2216 /* Single-precision floating-point comparisons */
2217 static always_inline int _do_efscmplt (uint32_t op1, uint32_t op2)
2219 /* XXX: TODO: test special values (NaN, infinites, ...) */
2220 return _do_efststlt(op1, op2);
2223 static always_inline int _do_efscmpgt (uint32_t op1, uint32_t op2)
2225 /* XXX: TODO: test special values (NaN, infinites, ...) */
2226 return _do_efststgt(op1, op2);
2229 static always_inline int _do_efscmpeq (uint32_t op1, uint32_t op2)
2231 /* XXX: TODO: test special values (NaN, infinites, ...) */
2232 return _do_efststeq(op1, op2);
2235 void do_efscmplt (void)
2237 T0 = _do_efscmplt(T0_64, T1_64);
2240 void do_efscmpgt (void)
2242 T0 = _do_efscmpgt(T0_64, T1_64);
2245 void do_efscmpeq (void)
2247 T0 = _do_efscmpeq(T0_64, T1_64);
2250 /* Single-precision floating-point vector comparisons */
2252 DO_SPE_CMP(fscmplt);
2254 DO_SPE_CMP(fscmpgt);
2256 DO_SPE_CMP(fscmpeq);
2258 DO_SPE_CMP(fststlt);
2260 DO_SPE_CMP(fststgt);
2262 DO_SPE_CMP(fststeq);
2264 /* Single-precision floating-point vector conversions */
2278 DO_SPE_OP1(fsctsiz);
2280 DO_SPE_OP1(fsctuiz);
2285 #endif /* defined(TARGET_PPCEMB) */
2287 /*****************************************************************************/
2288 /* Softmmu support */
2289 #if !defined (CONFIG_USER_ONLY)
2291 #define MMUSUFFIX _mmu
2292 #define GETPC() (__builtin_return_address(0))
2295 #include "softmmu_template.h"
2298 #include "softmmu_template.h"
2301 #include "softmmu_template.h"
2304 #include "softmmu_template.h"
2306 /* try to fill the TLB and return an exception if error. If retaddr is
2307 NULL, it means that the function was called in C code (i.e. not
2308 from generated code or from helper.c) */
2309 /* XXX: fix it to restore all registers */
2310 void tlb_fill (target_ulong addr, int is_write, int is_user, void *retaddr)
2312 TranslationBlock *tb;
2313 CPUState *saved_env;
2314 target_phys_addr_t pc;
2317 /* XXX: hack to restore env in all cases, even if not called from
2320 env = cpu_single_env;
2321 ret = cpu_ppc_handle_mmu_fault(env, addr, is_write, is_user, 1);
2322 if (unlikely(ret != 0)) {
2323 if (likely(retaddr)) {
2324 /* now we have a real cpu fault */
2325 pc = (target_phys_addr_t)(unsigned long)retaddr;
2326 tb = tb_find_pc(pc);
2328 /* the PC is inside the translated code. It means that we have
2329 a virtual CPU fault */
2330 cpu_restore_state(tb, env, pc, NULL);
2333 do_raise_exception_err(env->exception_index, env->error_code);
2338 /* Software driven TLBs management */
2339 /* PowerPC 602/603 software TLB load instructions helpers */
2340 void do_load_6xx_tlb (int is_code)
2342 target_ulong RPN, CMP, EPN;
2345 RPN = env->spr[SPR_RPA];
2347 CMP = env->spr[SPR_ICMP];
2348 EPN = env->spr[SPR_IMISS];
2350 CMP = env->spr[SPR_DCMP];
2351 EPN = env->spr[SPR_DMISS];
2353 way = (env->spr[SPR_SRR1] >> 17) & 1;
2354 #if defined (DEBUG_SOFTWARE_TLB)
2355 if (loglevel != 0) {
2356 fprintf(logfile, "%s: EPN %08lx %08lx PTE0 %08lx PTE1 %08lx way %d\n",
2357 __func__, (unsigned long)T0, (unsigned long)EPN,
2358 (unsigned long)CMP, (unsigned long)RPN, way);
2361 /* Store this TLB */
2362 ppc6xx_tlb_store(env, (uint32_t)(T0 & TARGET_PAGE_MASK),
2363 way, is_code, CMP, RPN);
2366 void do_load_74xx_tlb (int is_code)
2368 target_ulong RPN, CMP, EPN;
2371 RPN = env->spr[SPR_PTELO];
2372 CMP = env->spr[SPR_PTEHI];
2373 EPN = env->spr[SPR_TLBMISS] & ~0x3;
2374 way = env->spr[SPR_TLBMISS] & 0x3;
2375 #if defined (DEBUG_SOFTWARE_TLB)
2376 if (loglevel != 0) {
2377 fprintf(logfile, "%s: EPN %08lx %08lx PTE0 %08lx PTE1 %08lx way %d\n",
2378 __func__, (unsigned long)T0, (unsigned long)EPN,
2379 (unsigned long)CMP, (unsigned long)RPN, way);
2382 /* Store this TLB */
2383 ppc6xx_tlb_store(env, (uint32_t)(T0 & TARGET_PAGE_MASK),
2384 way, is_code, CMP, RPN);
2387 static target_ulong booke_tlb_to_page_size (int size)
2389 return 1024 << (2 * size);
2392 static int booke_page_size_to_tlb (target_ulong page_size)
2396 switch (page_size) {
2430 #if defined (TARGET_PPC64)
2431 case 0x000100000000ULL:
2434 case 0x000400000000ULL:
2437 case 0x001000000000ULL:
2440 case 0x004000000000ULL:
2443 case 0x010000000000ULL:
2455 /* Helpers for 4xx TLB management */
2456 void do_4xx_tlbre_lo (void)
2462 tlb = &env->tlb[T0].tlbe;
2464 if (tlb->prot & PAGE_VALID)
2466 size = booke_page_size_to_tlb(tlb->size);
2467 if (size < 0 || size > 0x7)
2470 env->spr[SPR_40x_PID] = tlb->PID;
2473 void do_4xx_tlbre_hi (void)
2478 tlb = &env->tlb[T0].tlbe;
2480 if (tlb->prot & PAGE_EXEC)
2482 if (tlb->prot & PAGE_WRITE)
2486 void do_4xx_tlbwe_hi (void)
2489 target_ulong page, end;
2491 #if defined (DEBUG_SOFTWARE_TLB)
2492 if (loglevel != 0) {
2493 fprintf(logfile, "%s T0 " REGX " T1 " REGX "\n", __func__, T0, T1);
2497 tlb = &env->tlb[T0].tlbe;
2498 /* Invalidate previous TLB (if it's valid) */
2499 if (tlb->prot & PAGE_VALID) {
2500 end = tlb->EPN + tlb->size;
2501 #if defined (DEBUG_SOFTWARE_TLB)
2502 if (loglevel != 0) {
2503 fprintf(logfile, "%s: invalidate old TLB %d start " ADDRX
2504 " end " ADDRX "\n", __func__, (int)T0, tlb->EPN, end);
2507 for (page = tlb->EPN; page < end; page += TARGET_PAGE_SIZE)
2508 tlb_flush_page(env, page);
2510 tlb->size = booke_tlb_to_page_size((T1 >> 7) & 0x7);
2511 /* We cannot handle TLB size < TARGET_PAGE_SIZE.
2512 * If this ever occurs, one should use the ppcemb target instead
2513 * of the ppc or ppc64 one
2515 if ((T1 & 0x40) && tlb->size < TARGET_PAGE_SIZE) {
2516 cpu_abort(env, "TLB size " TARGET_FMT_lu " < %u "
2517 "are not supported (%d)\n",
2518 tlb->size, TARGET_PAGE_SIZE, (int)((T1 >> 7) & 0x7));
2520 tlb->EPN = T1 & ~(tlb->size - 1);
2522 tlb->prot |= PAGE_VALID;
2524 tlb->prot &= ~PAGE_VALID;
2526 /* XXX: TO BE FIXED */
2527 cpu_abort(env, "Little-endian TLB entries are not supported by now\n");
2529 tlb->PID = env->spr[SPR_40x_PID]; /* PID */
2530 tlb->attr = T1 & 0xFF;
2531 #if defined (DEBUG_SOFTWARE_TLB)
2532 if (loglevel != 0) {
2533 fprintf(logfile, "%s: set up TLB %d RPN " PADDRX " EPN " ADDRX
2534 " size " ADDRX " prot %c%c%c%c PID %d\n", __func__,
2535 (int)T0, tlb->RPN, tlb->EPN, tlb->size,
2536 tlb->prot & PAGE_READ ? 'r' : '-',
2537 tlb->prot & PAGE_WRITE ? 'w' : '-',
2538 tlb->prot & PAGE_EXEC ? 'x' : '-',
2539 tlb->prot & PAGE_VALID ? 'v' : '-', (int)tlb->PID);
2542 /* Invalidate new TLB (if valid) */
2543 if (tlb->prot & PAGE_VALID) {
2544 end = tlb->EPN + tlb->size;
2545 #if defined (DEBUG_SOFTWARE_TLB)
2546 if (loglevel != 0) {
2547 fprintf(logfile, "%s: invalidate TLB %d start " ADDRX
2548 " end " ADDRX "\n", __func__, (int)T0, tlb->EPN, end);
2551 for (page = tlb->EPN; page < end; page += TARGET_PAGE_SIZE)
2552 tlb_flush_page(env, page);
2556 void do_4xx_tlbwe_lo (void)
2560 #if defined (DEBUG_SOFTWARE_TLB)
2561 if (loglevel != 0) {
2562 fprintf(logfile, "%s T0 " REGX " T1 " REGX "\n", __func__, T0, T1);
2566 tlb = &env->tlb[T0].tlbe;
2567 tlb->RPN = T1 & 0xFFFFFC00;
2568 tlb->prot = PAGE_READ;
2570 tlb->prot |= PAGE_EXEC;
2572 tlb->prot |= PAGE_WRITE;
2573 #if defined (DEBUG_SOFTWARE_TLB)
2574 if (loglevel != 0) {
2575 fprintf(logfile, "%s: set up TLB %d RPN " PADDRX " EPN " ADDRX
2576 " size " ADDRX " prot %c%c%c%c PID %d\n", __func__,
2577 (int)T0, tlb->RPN, tlb->EPN, tlb->size,
2578 tlb->prot & PAGE_READ ? 'r' : '-',
2579 tlb->prot & PAGE_WRITE ? 'w' : '-',
2580 tlb->prot & PAGE_EXEC ? 'x' : '-',
2581 tlb->prot & PAGE_VALID ? 'v' : '-', (int)tlb->PID);
2586 /* PowerPC 440 TLB management */
2587 void do_440_tlbwe (int word)
2590 target_ulong EPN, RPN, size;
2593 #if defined (DEBUG_SOFTWARE_TLB)
2594 if (loglevel != 0) {
2595 fprintf(logfile, "%s word %d T0 " REGX " T1 " REGX "\n",
2596 __func__, word, T0, T1);
2601 tlb = &env->tlb[T0].tlbe;
2604 /* Just here to please gcc */
2606 EPN = T1 & 0xFFFFFC00;
2607 if ((tlb->prot & PAGE_VALID) && EPN != tlb->EPN)
2610 size = booke_tlb_to_page_size((T1 >> 4) & 0xF);
2611 if ((tlb->prot & PAGE_VALID) && tlb->size < size)
2615 tlb->attr |= (T1 >> 8) & 1;
2617 tlb->prot |= PAGE_VALID;
2619 if (tlb->prot & PAGE_VALID) {
2620 tlb->prot &= ~PAGE_VALID;
2624 tlb->PID = env->spr[SPR_440_MMUCR] & 0x000000FF;
2629 RPN = T1 & 0xFFFFFC0F;
2630 if ((tlb->prot & PAGE_VALID) && tlb->RPN != RPN)
2635 tlb->attr = (tlb->attr & 0x1) | (T1 & 0x0000FF00);
2636 tlb->prot = tlb->prot & PAGE_VALID;
2638 tlb->prot |= PAGE_READ << 4;
2640 tlb->prot |= PAGE_WRITE << 4;
2642 tlb->prot |= PAGE_EXEC << 4;
2644 tlb->prot |= PAGE_READ;
2646 tlb->prot |= PAGE_WRITE;
2648 tlb->prot |= PAGE_EXEC;
2653 void do_440_tlbre (int word)
2659 tlb = &env->tlb[T0].tlbe;
2662 /* Just here to please gcc */
2665 size = booke_page_size_to_tlb(tlb->size);
2666 if (size < 0 || size > 0xF)
2669 if (tlb->attr & 0x1)
2671 if (tlb->prot & PAGE_VALID)
2673 env->spr[SPR_440_MMUCR] &= ~0x000000FF;
2674 env->spr[SPR_440_MMUCR] |= tlb->PID;
2680 T0 = tlb->attr & ~0x1;
2681 if (tlb->prot & (PAGE_READ << 4))
2683 if (tlb->prot & (PAGE_WRITE << 4))
2685 if (tlb->prot & (PAGE_EXEC << 4))
2687 if (tlb->prot & PAGE_READ)
2689 if (tlb->prot & PAGE_WRITE)
2691 if (tlb->prot & PAGE_EXEC)
2696 #endif /* !CONFIG_USER_ONLY */