]>
git.proxmox.com Git - mirror_qemu.git/blob - target-i386/op.c
2 * i386 micro operations
4 * Copyright (c) 2003 Fabrice Bellard
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
24 /* n must be a constant to be efficient */
25 static inline target_long
lshift(target_long x
, int n
)
33 /* we define the various pieces of code used by the JIT */
37 #include "opreg_template.h"
43 #include "opreg_template.h"
49 #include "opreg_template.h"
55 #include "opreg_template.h"
61 #include "opreg_template.h"
67 #include "opreg_template.h"
73 #include "opreg_template.h"
79 #include "opreg_template.h"
85 #define REG (env->regs[8])
87 #include "opreg_template.h"
91 #define REG (env->regs[9])
93 #include "opreg_template.h"
97 #define REG (env->regs[10])
99 #include "opreg_template.h"
103 #define REG (env->regs[11])
105 #include "opreg_template.h"
109 #define REG (env->regs[12])
111 #include "opreg_template.h"
115 #define REG (env->regs[13])
117 #include "opreg_template.h"
121 #define REG (env->regs[14])
123 #include "opreg_template.h"
127 #define REG (env->regs[15])
129 #include "opreg_template.h"
135 /* operations with flags */
137 /* update flags with T0 and T1 (add/sub case) */
138 void OPPROTO
op_update2_cc(void)
144 /* update flags with T0 (logic operation case) */
145 void OPPROTO
op_update1_cc(void)
150 void OPPROTO
op_update_neg_cc(void)
156 void OPPROTO
op_cmpl_T0_T1_cc(void)
162 void OPPROTO
op_update_inc_cc(void)
164 CC_SRC
= cc_table
[CC_OP
].compute_c();
168 void OPPROTO
op_testl_T0_T1_cc(void)
173 /* operations without flags */
175 void OPPROTO
op_addl_T0_T1(void)
180 void OPPROTO
op_orl_T0_T1(void)
185 void OPPROTO
op_andl_T0_T1(void)
190 void OPPROTO
op_subl_T0_T1(void)
195 void OPPROTO
op_xorl_T0_T1(void)
200 void OPPROTO
op_negl_T0(void)
205 void OPPROTO
op_incl_T0(void)
210 void OPPROTO
op_decl_T0(void)
215 void OPPROTO
op_notl_T0(void)
220 void OPPROTO
op_bswapl_T0(void)
226 void OPPROTO
op_bswapq_T0(void)
232 /* multiply/divide */
234 /* XXX: add eflags optimizations */
235 /* XXX: add non P4 style flags */
237 void OPPROTO
op_mulb_AL_T0(void)
240 res
= (uint8_t)EAX
* (uint8_t)T0
;
241 EAX
= (EAX
& ~0xffff) | res
;
243 CC_SRC
= (res
& 0xff00);
246 void OPPROTO
op_imulb_AL_T0(void)
249 res
= (int8_t)EAX
* (int8_t)T0
;
250 EAX
= (EAX
& ~0xffff) | (res
& 0xffff);
252 CC_SRC
= (res
!= (int8_t)res
);
255 void OPPROTO
op_mulw_AX_T0(void)
258 res
= (uint16_t)EAX
* (uint16_t)T0
;
259 EAX
= (EAX
& ~0xffff) | (res
& 0xffff);
260 EDX
= (EDX
& ~0xffff) | ((res
>> 16) & 0xffff);
265 void OPPROTO
op_imulw_AX_T0(void)
268 res
= (int16_t)EAX
* (int16_t)T0
;
269 EAX
= (EAX
& ~0xffff) | (res
& 0xffff);
270 EDX
= (EDX
& ~0xffff) | ((res
>> 16) & 0xffff);
272 CC_SRC
= (res
!= (int16_t)res
);
275 void OPPROTO
op_mull_EAX_T0(void)
278 res
= (uint64_t)((uint32_t)EAX
) * (uint64_t)((uint32_t)T0
);
280 EDX
= (uint32_t)(res
>> 32);
281 CC_DST
= (uint32_t)res
;
282 CC_SRC
= (uint32_t)(res
>> 32);
285 void OPPROTO
op_imull_EAX_T0(void)
288 res
= (int64_t)((int32_t)EAX
) * (int64_t)((int32_t)T0
);
292 CC_SRC
= (res
!= (int32_t)res
);
295 void OPPROTO
op_imulw_T0_T1(void)
298 res
= (int16_t)T0
* (int16_t)T1
;
301 CC_SRC
= (res
!= (int16_t)res
);
304 void OPPROTO
op_imull_T0_T1(void)
307 res
= (int64_t)((int32_t)T0
) * (int64_t)((int32_t)T1
);
310 CC_SRC
= (res
!= (int32_t)res
);
314 void OPPROTO
op_mulq_EAX_T0(void)
316 helper_mulq_EAX_T0();
319 void OPPROTO
op_imulq_EAX_T0(void)
321 helper_imulq_EAX_T0();
324 void OPPROTO
op_imulq_T0_T1(void)
326 helper_imulq_T0_T1();
330 /* division, flags are undefined */
331 /* XXX: add exceptions for overflow */
333 void OPPROTO
op_divb_AL_T0(void)
335 unsigned int num
, den
, q
, r
;
337 num
= (EAX
& 0xffff);
340 raise_exception(EXCP00_DIVZ
);
342 q
= (num
/ den
) & 0xff;
343 r
= (num
% den
) & 0xff;
344 EAX
= (EAX
& ~0xffff) | (r
<< 8) | q
;
347 void OPPROTO
op_idivb_AL_T0(void)
354 raise_exception(EXCP00_DIVZ
);
356 q
= (num
/ den
) & 0xff;
357 r
= (num
% den
) & 0xff;
358 EAX
= (EAX
& ~0xffff) | (r
<< 8) | q
;
361 void OPPROTO
op_divw_AX_T0(void)
363 unsigned int num
, den
, q
, r
;
365 num
= (EAX
& 0xffff) | ((EDX
& 0xffff) << 16);
368 raise_exception(EXCP00_DIVZ
);
370 q
= (num
/ den
) & 0xffff;
371 r
= (num
% den
) & 0xffff;
372 EAX
= (EAX
& ~0xffff) | q
;
373 EDX
= (EDX
& ~0xffff) | r
;
376 void OPPROTO
op_idivw_AX_T0(void)
380 num
= (EAX
& 0xffff) | ((EDX
& 0xffff) << 16);
383 raise_exception(EXCP00_DIVZ
);
385 q
= (num
/ den
) & 0xffff;
386 r
= (num
% den
) & 0xffff;
387 EAX
= (EAX
& ~0xffff) | q
;
388 EDX
= (EDX
& ~0xffff) | r
;
391 void OPPROTO
op_divl_EAX_T0(void)
393 helper_divl_EAX_T0();
396 void OPPROTO
op_idivl_EAX_T0(void)
398 helper_idivl_EAX_T0();
402 void OPPROTO
op_divq_EAX_T0(void)
404 helper_divq_EAX_T0();
407 void OPPROTO
op_idivq_EAX_T0(void)
409 helper_idivq_EAX_T0();
413 /* constant load & misc op */
415 /* XXX: consistent names */
416 void OPPROTO
op_movl_T0_imu(void)
418 T0
= (uint32_t)PARAM1
;
421 void OPPROTO
op_movl_T0_im(void)
423 T0
= (int32_t)PARAM1
;
426 void OPPROTO
op_addl_T0_im(void)
431 void OPPROTO
op_andl_T0_ffff(void)
436 void OPPROTO
op_andl_T0_im(void)
441 void OPPROTO
op_movl_T0_T1(void)
446 void OPPROTO
op_movl_T1_imu(void)
448 T1
= (uint32_t)PARAM1
;
451 void OPPROTO
op_movl_T1_im(void)
453 T1
= (int32_t)PARAM1
;
456 void OPPROTO
op_addl_T1_im(void)
461 void OPPROTO
op_movl_T1_A0(void)
466 void OPPROTO
op_movl_A0_im(void)
468 A0
= (uint32_t)PARAM1
;
471 void OPPROTO
op_addl_A0_im(void)
473 A0
= (uint32_t)(A0
+ PARAM1
);
476 void OPPROTO
op_movl_A0_seg(void)
478 A0
= (uint32_t)*(target_ulong
*)((char *)env
+ PARAM1
);
481 void OPPROTO
op_addl_A0_seg(void)
483 A0
= (uint32_t)(A0
+ *(target_ulong
*)((char *)env
+ PARAM1
));
486 void OPPROTO
op_addl_A0_AL(void)
488 A0
= (uint32_t)(A0
+ (EAX
& 0xff));
491 #ifdef WORDS_BIGENDIAN
492 typedef union UREG64
{
493 struct { uint16_t v3
, v2
, v1
, v0
; } w
;
494 struct { uint32_t v1
, v0
; } l
;
498 typedef union UREG64
{
499 struct { uint16_t v0
, v1
, v2
, v3
; } w
;
500 struct { uint32_t v0
, v1
; } l
;
515 void OPPROTO
op_movq_T0_im64(void)
520 void OPPROTO
op_movq_A0_im(void)
522 A0
= (int32_t)PARAM1
;
525 void OPPROTO
op_movq_A0_im64(void)
530 void OPPROTO
op_addq_A0_im(void)
532 A0
= (A0
+ (int32_t)PARAM1
);
535 void OPPROTO
op_addq_A0_im64(void)
540 void OPPROTO
op_movq_A0_seg(void)
542 A0
= *(target_ulong
*)((char *)env
+ PARAM1
);
545 void OPPROTO
op_addq_A0_seg(void)
547 A0
+= *(target_ulong
*)((char *)env
+ PARAM1
);
550 void OPPROTO
op_addq_A0_AL(void)
552 A0
= (A0
+ (EAX
& 0xff));
557 void OPPROTO
op_andl_A0_ffff(void)
564 #define MEMSUFFIX _raw
567 #if !defined(CONFIG_USER_ONLY)
568 #define MEMSUFFIX _kernel
571 #define MEMSUFFIX _user
577 void OPPROTO
op_jmp_T0(void)
582 void OPPROTO
op_movl_eip_im(void)
584 EIP
= (uint32_t)PARAM1
;
588 void OPPROTO
op_movq_eip_im(void)
590 EIP
= (int32_t)PARAM1
;
593 void OPPROTO
op_movq_eip_im64(void)
599 void OPPROTO
op_hlt(void)
601 env
->hflags
&= ~HF_INHIBIT_IRQ_MASK
; /* needed if sti is just before */
602 env
->exception_index
= EXCP_HLT
;
606 void OPPROTO
op_debug(void)
608 env
->exception_index
= EXCP_DEBUG
;
612 void OPPROTO
op_raise_interrupt(void)
614 int intno
, next_eip_addend
;
616 next_eip_addend
= PARAM2
;
617 raise_interrupt(intno
, 1, 0, next_eip_addend
);
620 void OPPROTO
op_raise_exception(void)
623 exception_index
= PARAM1
;
624 raise_exception(exception_index
);
627 void OPPROTO
op_into(void)
630 eflags
= cc_table
[CC_OP
].compute_all();
632 raise_interrupt(EXCP04_INTO
, 1, 0, PARAM1
);
637 void OPPROTO
op_cli(void)
639 env
->eflags
&= ~IF_MASK
;
642 void OPPROTO
op_sti(void)
644 env
->eflags
|= IF_MASK
;
647 void OPPROTO
op_set_inhibit_irq(void)
649 env
->hflags
|= HF_INHIBIT_IRQ_MASK
;
652 void OPPROTO
op_reset_inhibit_irq(void)
654 env
->hflags
&= ~HF_INHIBIT_IRQ_MASK
;
658 /* vm86plus instructions */
659 void OPPROTO
op_cli_vm(void)
661 env
->eflags
&= ~VIF_MASK
;
664 void OPPROTO
op_sti_vm(void)
666 env
->eflags
|= VIF_MASK
;
667 if (env
->eflags
& VIP_MASK
) {
669 raise_exception(EXCP0D_GPF
);
675 void OPPROTO
op_boundw(void)
681 if (v
< low
|| v
> high
) {
682 raise_exception(EXCP05_BOUND
);
687 void OPPROTO
op_boundl(void)
693 if (v
< low
|| v
> high
) {
694 raise_exception(EXCP05_BOUND
);
699 void OPPROTO
op_cmpxchg8b(void)
704 void OPPROTO
op_movl_T0_0(void)
709 void OPPROTO
op_exit_tb(void)
714 /* multiple size ops */
719 #include "ops_template.h"
723 #include "ops_template.h"
727 #include "ops_template.h"
733 #include "ops_template.h"
740 void OPPROTO
op_movsbl_T0_T0(void)
745 void OPPROTO
op_movzbl_T0_T0(void)
750 void OPPROTO
op_movswl_T0_T0(void)
755 void OPPROTO
op_movzwl_T0_T0(void)
760 void OPPROTO
op_movswl_EAX_AX(void)
766 void OPPROTO
op_movslq_T0_T0(void)
771 void OPPROTO
op_movslq_RAX_EAX(void)
777 void OPPROTO
op_movsbw_AX_AL(void)
779 EAX
= (EAX
& ~0xffff) | ((int8_t)EAX
& 0xffff);
782 void OPPROTO
op_movslq_EDX_EAX(void)
784 EDX
= (int32_t)EAX
>> 31;
787 void OPPROTO
op_movswl_DX_AX(void)
789 EDX
= (EDX
& ~0xffff) | (((int16_t)EAX
>> 15) & 0xffff);
793 void OPPROTO
op_movsqo_RDX_RAX(void)
795 EDX
= (int64_t)EAX
>> 63;
799 /* string ops helpers */
801 void OPPROTO
op_addl_ESI_T0(void)
803 ESI
= (uint32_t)(ESI
+ T0
);
806 void OPPROTO
op_addw_ESI_T0(void)
808 ESI
= (ESI
& ~0xffff) | ((ESI
+ T0
) & 0xffff);
811 void OPPROTO
op_addl_EDI_T0(void)
813 EDI
= (uint32_t)(EDI
+ T0
);
816 void OPPROTO
op_addw_EDI_T0(void)
818 EDI
= (EDI
& ~0xffff) | ((EDI
+ T0
) & 0xffff);
821 void OPPROTO
op_decl_ECX(void)
823 ECX
= (uint32_t)(ECX
- 1);
826 void OPPROTO
op_decw_ECX(void)
828 ECX
= (ECX
& ~0xffff) | ((ECX
- 1) & 0xffff);
832 void OPPROTO
op_addq_ESI_T0(void)
837 void OPPROTO
op_addq_EDI_T0(void)
842 void OPPROTO
op_decq_ECX(void)
850 void op_addl_A0_SS(void)
852 A0
+= (long)env
->segs
[R_SS
].base
;
855 void op_subl_A0_2(void)
857 A0
= (uint32_t)(A0
- 2);
860 void op_subl_A0_4(void)
862 A0
= (uint32_t)(A0
- 4);
865 void op_addl_ESP_4(void)
867 ESP
= (uint32_t)(ESP
+ 4);
870 void op_addl_ESP_2(void)
872 ESP
= (uint32_t)(ESP
+ 2);
875 void op_addw_ESP_4(void)
877 ESP
= (ESP
& ~0xffff) | ((ESP
+ 4) & 0xffff);
880 void op_addw_ESP_2(void)
882 ESP
= (ESP
& ~0xffff) | ((ESP
+ 2) & 0xffff);
885 void op_addl_ESP_im(void)
887 ESP
= (uint32_t)(ESP
+ PARAM1
);
890 void op_addw_ESP_im(void)
892 ESP
= (ESP
& ~0xffff) | ((ESP
+ PARAM1
) & 0xffff);
896 void op_subq_A0_8(void)
901 void op_addq_ESP_8(void)
906 void op_addq_ESP_im(void)
912 void OPPROTO
op_rdtsc(void)
917 void OPPROTO
op_cpuid(void)
922 void OPPROTO
op_enter_level(void)
924 helper_enter_level(PARAM1
, PARAM2
);
927 void OPPROTO
op_sysenter(void)
932 void OPPROTO
op_sysexit(void)
938 void OPPROTO
op_syscall(void)
940 helper_syscall(PARAM1
);
943 void OPPROTO
op_sysret(void)
945 helper_sysret(PARAM1
);
949 void OPPROTO
op_rdmsr(void)
954 void OPPROTO
op_wrmsr(void)
962 void OPPROTO
op_aam(void)
969 EAX
= (EAX
& ~0xffff) | al
| (ah
<< 8);
973 void OPPROTO
op_aad(void)
978 ah
= (EAX
>> 8) & 0xff;
979 al
= ((ah
* base
) + al
) & 0xff;
980 EAX
= (EAX
& ~0xffff) | al
;
984 void OPPROTO
op_aaa(void)
990 eflags
= cc_table
[CC_OP
].compute_all();
993 ah
= (EAX
>> 8) & 0xff;
995 icarry
= (al
> 0xf9);
996 if (((al
& 0x0f) > 9 ) || af
) {
997 al
= (al
+ 6) & 0x0f;
998 ah
= (ah
+ 1 + icarry
) & 0xff;
999 eflags
|= CC_C
| CC_A
;
1001 eflags
&= ~(CC_C
| CC_A
);
1004 EAX
= (EAX
& ~0xffff) | al
| (ah
<< 8);
1008 void OPPROTO
op_aas(void)
1014 eflags
= cc_table
[CC_OP
].compute_all();
1017 ah
= (EAX
>> 8) & 0xff;
1020 if (((al
& 0x0f) > 9 ) || af
) {
1021 al
= (al
- 6) & 0x0f;
1022 ah
= (ah
- 1 - icarry
) & 0xff;
1023 eflags
|= CC_C
| CC_A
;
1025 eflags
&= ~(CC_C
| CC_A
);
1028 EAX
= (EAX
& ~0xffff) | al
| (ah
<< 8);
1032 void OPPROTO
op_daa(void)
1037 eflags
= cc_table
[CC_OP
].compute_all();
1043 if (((al
& 0x0f) > 9 ) || af
) {
1044 al
= (al
+ 6) & 0xff;
1047 if ((al
> 0x9f) || cf
) {
1048 al
= (al
+ 0x60) & 0xff;
1051 EAX
= (EAX
& ~0xff) | al
;
1052 /* well, speed is not an issue here, so we compute the flags by hand */
1053 eflags
|= (al
== 0) << 6; /* zf */
1054 eflags
|= parity_table
[al
]; /* pf */
1055 eflags
|= (al
& 0x80); /* sf */
1059 void OPPROTO
op_das(void)
1061 int al
, al1
, af
, cf
;
1064 eflags
= cc_table
[CC_OP
].compute_all();
1071 if (((al
& 0x0f) > 9 ) || af
) {
1075 al
= (al
- 6) & 0xff;
1077 if ((al1
> 0x99) || cf
) {
1078 al
= (al
- 0x60) & 0xff;
1081 EAX
= (EAX
& ~0xff) | al
;
1082 /* well, speed is not an issue here, so we compute the flags by hand */
1083 eflags
|= (al
== 0) << 6; /* zf */
1084 eflags
|= parity_table
[al
]; /* pf */
1085 eflags
|= (al
& 0x80); /* sf */
1089 /* segment handling */
1091 /* never use it with R_CS */
1092 void OPPROTO
op_movl_seg_T0(void)
1094 load_seg(PARAM1
, T0
);
1097 /* faster VM86 version */
1098 void OPPROTO
op_movl_seg_T0_vm(void)
1103 selector
= T0
& 0xffff;
1104 /* env->segs[] access */
1105 sc
= (SegmentCache
*)((char *)env
+ PARAM1
);
1106 sc
->selector
= selector
;
1107 sc
->base
= (selector
<< 4);
1110 void OPPROTO
op_movl_T0_seg(void)
1112 T0
= env
->segs
[PARAM1
].selector
;
1115 void OPPROTO
op_lsl(void)
1120 void OPPROTO
op_lar(void)
1125 void OPPROTO
op_verr(void)
1130 void OPPROTO
op_verw(void)
1135 void OPPROTO
op_arpl(void)
1137 if ((T0
& 3) < (T1
& 3)) {
1138 /* XXX: emulate bug or 0xff3f0000 oring as in bochs ? */
1139 T0
= (T0
& ~3) | (T1
& 3);
1147 void OPPROTO
op_arpl_update(void)
1150 eflags
= cc_table
[CC_OP
].compute_all();
1151 CC_SRC
= (eflags
& ~CC_Z
) | T1
;
1154 /* T0: segment, T1:eip */
1155 void OPPROTO
op_ljmp_protected_T0_T1(void)
1157 helper_ljmp_protected_T0_T1(PARAM1
);
1160 void OPPROTO
op_lcall_real_T0_T1(void)
1162 helper_lcall_real_T0_T1(PARAM1
, PARAM2
);
1165 void OPPROTO
op_lcall_protected_T0_T1(void)
1167 helper_lcall_protected_T0_T1(PARAM1
, PARAM2
);
1170 void OPPROTO
op_iret_real(void)
1172 helper_iret_real(PARAM1
);
1175 void OPPROTO
op_iret_protected(void)
1177 helper_iret_protected(PARAM1
, PARAM2
);
1180 void OPPROTO
op_lret_protected(void)
1182 helper_lret_protected(PARAM1
, PARAM2
);
1185 void OPPROTO
op_lldt_T0(void)
1190 void OPPROTO
op_ltr_T0(void)
1195 /* CR registers access */
1196 void OPPROTO
op_movl_crN_T0(void)
1198 helper_movl_crN_T0(PARAM1
);
1201 void OPPROTO
op_movtl_T0_cr8(void)
1203 #if !defined(CONFIG_USER_ONLY)
1204 T0
= cpu_get_apic_tpr(env
);
1208 /* DR registers access */
1209 void OPPROTO
op_movl_drN_T0(void)
1211 helper_movl_drN_T0(PARAM1
);
1214 void OPPROTO
op_lmsw_T0(void)
1216 /* only 4 lower bits of CR0 are modified. PE cannot be set to zero
1217 if already set to one. */
1218 T0
= (env
->cr
[0] & ~0xe) | (T0
& 0xf);
1219 helper_movl_crN_T0(0);
1222 void OPPROTO
op_invlpg_A0(void)
1227 void OPPROTO
op_movl_T0_env(void)
1229 T0
= *(uint32_t *)((char *)env
+ PARAM1
);
1232 void OPPROTO
op_movl_env_T0(void)
1234 *(uint32_t *)((char *)env
+ PARAM1
) = T0
;
1237 void OPPROTO
op_movl_env_T1(void)
1239 *(uint32_t *)((char *)env
+ PARAM1
) = T1
;
1242 void OPPROTO
op_movtl_T0_env(void)
1244 T0
= *(target_ulong
*)((char *)env
+ PARAM1
);
1247 void OPPROTO
op_movtl_env_T0(void)
1249 *(target_ulong
*)((char *)env
+ PARAM1
) = T0
;
1252 void OPPROTO
op_movtl_T1_env(void)
1254 T1
= *(target_ulong
*)((char *)env
+ PARAM1
);
1257 void OPPROTO
op_movtl_env_T1(void)
1259 *(target_ulong
*)((char *)env
+ PARAM1
) = T1
;
1262 void OPPROTO
op_clts(void)
1264 env
->cr
[0] &= ~CR0_TS_MASK
;
1265 env
->hflags
&= ~HF_TS_MASK
;
1268 /* flags handling */
1270 void OPPROTO
op_goto_tb0(void)
1272 GOTO_TB(op_goto_tb0
, PARAM1
, 0);
1275 void OPPROTO
op_goto_tb1(void)
1277 GOTO_TB(op_goto_tb1
, PARAM1
, 1);
1280 void OPPROTO
op_jmp_label(void)
1282 GOTO_LABEL_PARAM(1);
1285 void OPPROTO
op_jnz_T0_label(void)
1288 GOTO_LABEL_PARAM(1);
1292 void OPPROTO
op_jz_T0_label(void)
1295 GOTO_LABEL_PARAM(1);
1299 /* slow set cases (compute x86 flags) */
1300 void OPPROTO
op_seto_T0_cc(void)
1303 eflags
= cc_table
[CC_OP
].compute_all();
1304 T0
= (eflags
>> 11) & 1;
1307 void OPPROTO
op_setb_T0_cc(void)
1309 T0
= cc_table
[CC_OP
].compute_c();
1312 void OPPROTO
op_setz_T0_cc(void)
1315 eflags
= cc_table
[CC_OP
].compute_all();
1316 T0
= (eflags
>> 6) & 1;
1319 void OPPROTO
op_setbe_T0_cc(void)
1322 eflags
= cc_table
[CC_OP
].compute_all();
1323 T0
= (eflags
& (CC_Z
| CC_C
)) != 0;
1326 void OPPROTO
op_sets_T0_cc(void)
1329 eflags
= cc_table
[CC_OP
].compute_all();
1330 T0
= (eflags
>> 7) & 1;
1333 void OPPROTO
op_setp_T0_cc(void)
1336 eflags
= cc_table
[CC_OP
].compute_all();
1337 T0
= (eflags
>> 2) & 1;
1340 void OPPROTO
op_setl_T0_cc(void)
1343 eflags
= cc_table
[CC_OP
].compute_all();
1344 T0
= ((eflags
^ (eflags
>> 4)) >> 7) & 1;
1347 void OPPROTO
op_setle_T0_cc(void)
1350 eflags
= cc_table
[CC_OP
].compute_all();
1351 T0
= (((eflags
^ (eflags
>> 4)) & 0x80) || (eflags
& CC_Z
)) != 0;
1354 void OPPROTO
op_xor_T0_1(void)
1359 void OPPROTO
op_set_cc_op(void)
1364 /* XXX: clear VIF/VIP in all ops ? */
1366 void OPPROTO
op_movl_eflags_T0(void)
1368 load_eflags(T0
, (TF_MASK
| AC_MASK
| ID_MASK
| NT_MASK
));
1371 void OPPROTO
op_movw_eflags_T0(void)
1373 load_eflags(T0
, (TF_MASK
| AC_MASK
| ID_MASK
| NT_MASK
) & 0xffff);
1376 void OPPROTO
op_movl_eflags_T0_io(void)
1378 load_eflags(T0
, (TF_MASK
| AC_MASK
| ID_MASK
| NT_MASK
| IF_MASK
));
1381 void OPPROTO
op_movw_eflags_T0_io(void)
1383 load_eflags(T0
, (TF_MASK
| AC_MASK
| ID_MASK
| NT_MASK
| IF_MASK
) & 0xffff);
1386 void OPPROTO
op_movl_eflags_T0_cpl0(void)
1388 load_eflags(T0
, (TF_MASK
| AC_MASK
| ID_MASK
| NT_MASK
| IF_MASK
| IOPL_MASK
));
1391 void OPPROTO
op_movw_eflags_T0_cpl0(void)
1393 load_eflags(T0
, (TF_MASK
| AC_MASK
| ID_MASK
| NT_MASK
| IF_MASK
| IOPL_MASK
) & 0xffff);
1397 /* vm86plus version */
1398 void OPPROTO
op_movw_eflags_T0_vm(void)
1402 CC_SRC
= eflags
& (CC_O
| CC_S
| CC_Z
| CC_A
| CC_P
| CC_C
);
1403 DF
= 1 - (2 * ((eflags
>> 10) & 1));
1404 /* we also update some system flags as in user mode */
1405 env
->eflags
= (env
->eflags
& ~(FL_UPDATE_MASK16
| VIF_MASK
)) |
1406 (eflags
& FL_UPDATE_MASK16
);
1407 if (eflags
& IF_MASK
) {
1408 env
->eflags
|= VIF_MASK
;
1409 if (env
->eflags
& VIP_MASK
) {
1411 raise_exception(EXCP0D_GPF
);
1417 void OPPROTO
op_movl_eflags_T0_vm(void)
1421 CC_SRC
= eflags
& (CC_O
| CC_S
| CC_Z
| CC_A
| CC_P
| CC_C
);
1422 DF
= 1 - (2 * ((eflags
>> 10) & 1));
1423 /* we also update some system flags as in user mode */
1424 env
->eflags
= (env
->eflags
& ~(FL_UPDATE_MASK32
| VIF_MASK
)) |
1425 (eflags
& FL_UPDATE_MASK32
);
1426 if (eflags
& IF_MASK
) {
1427 env
->eflags
|= VIF_MASK
;
1428 if (env
->eflags
& VIP_MASK
) {
1430 raise_exception(EXCP0D_GPF
);
1437 /* XXX: compute only O flag */
1438 void OPPROTO
op_movb_eflags_T0(void)
1441 of
= cc_table
[CC_OP
].compute_all() & CC_O
;
1442 CC_SRC
= (T0
& (CC_S
| CC_Z
| CC_A
| CC_P
| CC_C
)) | of
;
1445 void OPPROTO
op_movl_T0_eflags(void)
1448 eflags
= cc_table
[CC_OP
].compute_all();
1449 eflags
|= (DF
& DF_MASK
);
1450 eflags
|= env
->eflags
& ~(VM_MASK
| RF_MASK
);
1454 /* vm86plus version */
1456 void OPPROTO
op_movl_T0_eflags_vm(void)
1459 eflags
= cc_table
[CC_OP
].compute_all();
1460 eflags
|= (DF
& DF_MASK
);
1461 eflags
|= env
->eflags
& ~(VM_MASK
| RF_MASK
| IF_MASK
);
1462 if (env
->eflags
& VIF_MASK
)
1468 void OPPROTO
op_cld(void)
1473 void OPPROTO
op_std(void)
1478 void OPPROTO
op_clc(void)
1481 eflags
= cc_table
[CC_OP
].compute_all();
1486 void OPPROTO
op_stc(void)
1489 eflags
= cc_table
[CC_OP
].compute_all();
1494 void OPPROTO
op_cmc(void)
1497 eflags
= cc_table
[CC_OP
].compute_all();
1502 void OPPROTO
op_salc(void)
1505 cf
= cc_table
[CC_OP
].compute_c();
1506 EAX
= (EAX
& ~0xff) | ((-cf
) & 0xff);
1509 static int compute_all_eflags(void)
1514 static int compute_c_eflags(void)
1516 return CC_SRC
& CC_C
;
1519 CCTable cc_table
[CC_OP_NB
] = {
1520 [CC_OP_DYNAMIC
] = { /* should never happen */ },
1522 [CC_OP_EFLAGS
] = { compute_all_eflags
, compute_c_eflags
},
1524 [CC_OP_MULB
] = { compute_all_mulb
, compute_c_mull
},
1525 [CC_OP_MULW
] = { compute_all_mulw
, compute_c_mull
},
1526 [CC_OP_MULL
] = { compute_all_mull
, compute_c_mull
},
1528 [CC_OP_ADDB
] = { compute_all_addb
, compute_c_addb
},
1529 [CC_OP_ADDW
] = { compute_all_addw
, compute_c_addw
},
1530 [CC_OP_ADDL
] = { compute_all_addl
, compute_c_addl
},
1532 [CC_OP_ADCB
] = { compute_all_adcb
, compute_c_adcb
},
1533 [CC_OP_ADCW
] = { compute_all_adcw
, compute_c_adcw
},
1534 [CC_OP_ADCL
] = { compute_all_adcl
, compute_c_adcl
},
1536 [CC_OP_SUBB
] = { compute_all_subb
, compute_c_subb
},
1537 [CC_OP_SUBW
] = { compute_all_subw
, compute_c_subw
},
1538 [CC_OP_SUBL
] = { compute_all_subl
, compute_c_subl
},
1540 [CC_OP_SBBB
] = { compute_all_sbbb
, compute_c_sbbb
},
1541 [CC_OP_SBBW
] = { compute_all_sbbw
, compute_c_sbbw
},
1542 [CC_OP_SBBL
] = { compute_all_sbbl
, compute_c_sbbl
},
1544 [CC_OP_LOGICB
] = { compute_all_logicb
, compute_c_logicb
},
1545 [CC_OP_LOGICW
] = { compute_all_logicw
, compute_c_logicw
},
1546 [CC_OP_LOGICL
] = { compute_all_logicl
, compute_c_logicl
},
1548 [CC_OP_INCB
] = { compute_all_incb
, compute_c_incl
},
1549 [CC_OP_INCW
] = { compute_all_incw
, compute_c_incl
},
1550 [CC_OP_INCL
] = { compute_all_incl
, compute_c_incl
},
1552 [CC_OP_DECB
] = { compute_all_decb
, compute_c_incl
},
1553 [CC_OP_DECW
] = { compute_all_decw
, compute_c_incl
},
1554 [CC_OP_DECL
] = { compute_all_decl
, compute_c_incl
},
1556 [CC_OP_SHLB
] = { compute_all_shlb
, compute_c_shlb
},
1557 [CC_OP_SHLW
] = { compute_all_shlw
, compute_c_shlw
},
1558 [CC_OP_SHLL
] = { compute_all_shll
, compute_c_shll
},
1560 [CC_OP_SARB
] = { compute_all_sarb
, compute_c_sarl
},
1561 [CC_OP_SARW
] = { compute_all_sarw
, compute_c_sarl
},
1562 [CC_OP_SARL
] = { compute_all_sarl
, compute_c_sarl
},
1564 #ifdef TARGET_X86_64
1565 [CC_OP_MULQ
] = { compute_all_mulq
, compute_c_mull
},
1567 [CC_OP_ADDQ
] = { compute_all_addq
, compute_c_addq
},
1569 [CC_OP_ADCQ
] = { compute_all_adcq
, compute_c_adcq
},
1571 [CC_OP_SUBQ
] = { compute_all_subq
, compute_c_subq
},
1573 [CC_OP_SBBQ
] = { compute_all_sbbq
, compute_c_sbbq
},
1575 [CC_OP_LOGICQ
] = { compute_all_logicq
, compute_c_logicq
},
1577 [CC_OP_INCQ
] = { compute_all_incq
, compute_c_incl
},
1579 [CC_OP_DECQ
] = { compute_all_decq
, compute_c_incl
},
1581 [CC_OP_SHLQ
] = { compute_all_shlq
, compute_c_shlq
},
1583 [CC_OP_SARQ
] = { compute_all_sarq
, compute_c_sarl
},
1587 /* floating point support. Some of the code for complicated x87
1588 functions comes from the LGPL'ed x86 emulator found in the Willows
1589 TWIN windows emulator. */
1591 #if defined(__powerpc__)
1592 extern CPU86_LDouble
copysign(CPU86_LDouble
, CPU86_LDouble
);
1594 /* correct (but slow) PowerPC rint() (glibc version is incorrect) */
1595 double qemu_rint(double x
)
1597 double y
= 4503599627370496.0;
1608 #define rint qemu_rint
1613 void OPPROTO
op_flds_FT0_A0(void)
1615 #ifdef USE_FP_CONVERT
1616 FP_CONVERT
.i32
= ldl(A0
);
1623 void OPPROTO
op_fldl_FT0_A0(void)
1625 #ifdef USE_FP_CONVERT
1626 FP_CONVERT
.i64
= ldq(A0
);
1633 /* helpers are needed to avoid static constant reference. XXX: find a better way */
1634 #ifdef USE_INT_TO_FLOAT_HELPERS
1636 void helper_fild_FT0_A0(void)
1638 FT0
= (CPU86_LDouble
)ldsw(A0
);
1641 void helper_fildl_FT0_A0(void)
1643 FT0
= (CPU86_LDouble
)((int32_t)ldl(A0
));
1646 void helper_fildll_FT0_A0(void)
1648 FT0
= (CPU86_LDouble
)((int64_t)ldq(A0
));
1651 void OPPROTO
op_fild_FT0_A0(void)
1653 helper_fild_FT0_A0();
1656 void OPPROTO
op_fildl_FT0_A0(void)
1658 helper_fildl_FT0_A0();
1661 void OPPROTO
op_fildll_FT0_A0(void)
1663 helper_fildll_FT0_A0();
1668 void OPPROTO
op_fild_FT0_A0(void)
1670 #ifdef USE_FP_CONVERT
1671 FP_CONVERT
.i32
= ldsw(A0
);
1672 FT0
= (CPU86_LDouble
)FP_CONVERT
.i32
;
1674 FT0
= (CPU86_LDouble
)ldsw(A0
);
1678 void OPPROTO
op_fildl_FT0_A0(void)
1680 #ifdef USE_FP_CONVERT
1681 FP_CONVERT
.i32
= (int32_t) ldl(A0
);
1682 FT0
= (CPU86_LDouble
)FP_CONVERT
.i32
;
1684 FT0
= (CPU86_LDouble
)((int32_t)ldl(A0
));
1688 void OPPROTO
op_fildll_FT0_A0(void)
1690 #ifdef USE_FP_CONVERT
1691 FP_CONVERT
.i64
= (int64_t) ldq(A0
);
1692 FT0
= (CPU86_LDouble
)FP_CONVERT
.i64
;
1694 FT0
= (CPU86_LDouble
)((int64_t)ldq(A0
));
1701 void OPPROTO
op_flds_ST0_A0(void)
1704 new_fpstt
= (env
->fpstt
- 1) & 7;
1705 #ifdef USE_FP_CONVERT
1706 FP_CONVERT
.i32
= ldl(A0
);
1707 env
->fpregs
[new_fpstt
].d
= FP_CONVERT
.f
;
1709 env
->fpregs
[new_fpstt
].d
= ldfl(A0
);
1711 env
->fpstt
= new_fpstt
;
1712 env
->fptags
[new_fpstt
] = 0; /* validate stack entry */
1715 void OPPROTO
op_fldl_ST0_A0(void)
1718 new_fpstt
= (env
->fpstt
- 1) & 7;
1719 #ifdef USE_FP_CONVERT
1720 FP_CONVERT
.i64
= ldq(A0
);
1721 env
->fpregs
[new_fpstt
].d
= FP_CONVERT
.d
;
1723 env
->fpregs
[new_fpstt
].d
= ldfq(A0
);
1725 env
->fpstt
= new_fpstt
;
1726 env
->fptags
[new_fpstt
] = 0; /* validate stack entry */
1729 void OPPROTO
op_fldt_ST0_A0(void)
1731 helper_fldt_ST0_A0();
1734 /* helpers are needed to avoid static constant reference. XXX: find a better way */
1735 #ifdef USE_INT_TO_FLOAT_HELPERS
1737 void helper_fild_ST0_A0(void)
1740 new_fpstt
= (env
->fpstt
- 1) & 7;
1741 env
->fpregs
[new_fpstt
].d
= (CPU86_LDouble
)ldsw(A0
);
1742 env
->fpstt
= new_fpstt
;
1743 env
->fptags
[new_fpstt
] = 0; /* validate stack entry */
1746 void helper_fildl_ST0_A0(void)
1749 new_fpstt
= (env
->fpstt
- 1) & 7;
1750 env
->fpregs
[new_fpstt
].d
= (CPU86_LDouble
)((int32_t)ldl(A0
));
1751 env
->fpstt
= new_fpstt
;
1752 env
->fptags
[new_fpstt
] = 0; /* validate stack entry */
1755 void helper_fildll_ST0_A0(void)
1758 new_fpstt
= (env
->fpstt
- 1) & 7;
1759 env
->fpregs
[new_fpstt
].d
= (CPU86_LDouble
)((int64_t)ldq(A0
));
1760 env
->fpstt
= new_fpstt
;
1761 env
->fptags
[new_fpstt
] = 0; /* validate stack entry */
1764 void OPPROTO
op_fild_ST0_A0(void)
1766 helper_fild_ST0_A0();
1769 void OPPROTO
op_fildl_ST0_A0(void)
1771 helper_fildl_ST0_A0();
1774 void OPPROTO
op_fildll_ST0_A0(void)
1776 helper_fildll_ST0_A0();
1781 void OPPROTO
op_fild_ST0_A0(void)
1784 new_fpstt
= (env
->fpstt
- 1) & 7;
1785 #ifdef USE_FP_CONVERT
1786 FP_CONVERT
.i32
= ldsw(A0
);
1787 env
->fpregs
[new_fpstt
].d
= (CPU86_LDouble
)FP_CONVERT
.i32
;
1789 env
->fpregs
[new_fpstt
].d
= (CPU86_LDouble
)ldsw(A0
);
1791 env
->fpstt
= new_fpstt
;
1792 env
->fptags
[new_fpstt
] = 0; /* validate stack entry */
1795 void OPPROTO
op_fildl_ST0_A0(void)
1798 new_fpstt
= (env
->fpstt
- 1) & 7;
1799 #ifdef USE_FP_CONVERT
1800 FP_CONVERT
.i32
= (int32_t) ldl(A0
);
1801 env
->fpregs
[new_fpstt
].d
= (CPU86_LDouble
)FP_CONVERT
.i32
;
1803 env
->fpregs
[new_fpstt
].d
= (CPU86_LDouble
)((int32_t)ldl(A0
));
1805 env
->fpstt
= new_fpstt
;
1806 env
->fptags
[new_fpstt
] = 0; /* validate stack entry */
1809 void OPPROTO
op_fildll_ST0_A0(void)
1812 new_fpstt
= (env
->fpstt
- 1) & 7;
1813 #ifdef USE_FP_CONVERT
1814 FP_CONVERT
.i64
= (int64_t) ldq(A0
);
1815 env
->fpregs
[new_fpstt
].d
= (CPU86_LDouble
)FP_CONVERT
.i64
;
1817 env
->fpregs
[new_fpstt
].d
= (CPU86_LDouble
)((int64_t)ldq(A0
));
1819 env
->fpstt
= new_fpstt
;
1820 env
->fptags
[new_fpstt
] = 0; /* validate stack entry */
1827 void OPPROTO
op_fsts_ST0_A0(void)
1829 #ifdef USE_FP_CONVERT
1830 FP_CONVERT
.f
= (float)ST0
;
1831 stfl(A0
, FP_CONVERT
.f
);
1833 stfl(A0
, (float)ST0
);
1837 void OPPROTO
op_fstl_ST0_A0(void)
1839 stfq(A0
, (double)ST0
);
1842 void OPPROTO
op_fstt_ST0_A0(void)
1844 helper_fstt_ST0_A0();
1847 void OPPROTO
op_fist_ST0_A0(void)
1849 #if defined(__sparc__) && !defined(__sparc_v9__)
1850 register CPU86_LDouble d
asm("o0");
1858 if (val
!= (int16_t)val
)
1863 void OPPROTO
op_fistl_ST0_A0(void)
1865 #if defined(__sparc__) && !defined(__sparc_v9__)
1866 register CPU86_LDouble d
asm("o0");
1877 void OPPROTO
op_fistll_ST0_A0(void)
1879 #if defined(__sparc__) && !defined(__sparc_v9__)
1880 register CPU86_LDouble d
asm("o0");
1891 void OPPROTO
op_fbld_ST0_A0(void)
1893 helper_fbld_ST0_A0();
1896 void OPPROTO
op_fbst_ST0_A0(void)
1898 helper_fbst_ST0_A0();
1903 void OPPROTO
op_fpush(void)
1908 void OPPROTO
op_fpop(void)
1913 void OPPROTO
op_fdecstp(void)
1915 env
->fpstt
= (env
->fpstt
- 1) & 7;
1916 env
->fpus
&= (~0x4700);
1919 void OPPROTO
op_fincstp(void)
1921 env
->fpstt
= (env
->fpstt
+ 1) & 7;
1922 env
->fpus
&= (~0x4700);
1925 void OPPROTO
op_ffree_STN(void)
1927 env
->fptags
[(env
->fpstt
+ PARAM1
) & 7] = 1;
1930 void OPPROTO
op_fmov_ST0_FT0(void)
1935 void OPPROTO
op_fmov_FT0_STN(void)
1940 void OPPROTO
op_fmov_ST0_STN(void)
1945 void OPPROTO
op_fmov_STN_ST0(void)
1950 void OPPROTO
op_fxchg_ST0_STN(void)
1958 /* FPU operations */
1960 /* XXX: handle nans */
1961 void OPPROTO
op_fcom_ST0_FT0(void)
1963 env
->fpus
&= (~0x4500); /* (C3,C2,C0) <-- 000 */
1965 env
->fpus
|= 0x100; /* (C3,C2,C0) <-- 001 */
1966 else if (ST0
== FT0
)
1967 env
->fpus
|= 0x4000; /* (C3,C2,C0) <-- 100 */
1971 /* XXX: handle nans */
1972 void OPPROTO
op_fucom_ST0_FT0(void)
1974 env
->fpus
&= (~0x4500); /* (C3,C2,C0) <-- 000 */
1976 env
->fpus
|= 0x100; /* (C3,C2,C0) <-- 001 */
1977 else if (ST0
== FT0
)
1978 env
->fpus
|= 0x4000; /* (C3,C2,C0) <-- 100 */
1982 /* XXX: handle nans */
1983 void OPPROTO
op_fcomi_ST0_FT0(void)
1986 eflags
= cc_table
[CC_OP
].compute_all();
1987 eflags
&= ~(CC_Z
| CC_P
| CC_C
);
1990 else if (ST0
== FT0
)
1996 /* XXX: handle nans */
1997 void OPPROTO
op_fucomi_ST0_FT0(void)
2000 eflags
= cc_table
[CC_OP
].compute_all();
2001 eflags
&= ~(CC_Z
| CC_P
| CC_C
);
2004 else if (ST0
== FT0
)
2010 void OPPROTO
op_fcmov_ST0_STN_T0(void)
2018 void OPPROTO
op_fadd_ST0_FT0(void)
2023 void OPPROTO
op_fmul_ST0_FT0(void)
2028 void OPPROTO
op_fsub_ST0_FT0(void)
2033 void OPPROTO
op_fsubr_ST0_FT0(void)
2038 void OPPROTO
op_fdiv_ST0_FT0(void)
2040 ST0
= helper_fdiv(ST0
, FT0
);
2043 void OPPROTO
op_fdivr_ST0_FT0(void)
2045 ST0
= helper_fdiv(FT0
, ST0
);
2048 /* fp operations between STN and ST0 */
2050 void OPPROTO
op_fadd_STN_ST0(void)
2055 void OPPROTO
op_fmul_STN_ST0(void)
2060 void OPPROTO
op_fsub_STN_ST0(void)
2065 void OPPROTO
op_fsubr_STN_ST0(void)
2072 void OPPROTO
op_fdiv_STN_ST0(void)
2076 *p
= helper_fdiv(*p
, ST0
);
2079 void OPPROTO
op_fdivr_STN_ST0(void)
2083 *p
= helper_fdiv(ST0
, *p
);
2086 /* misc FPU operations */
2087 void OPPROTO
op_fchs_ST0(void)
2092 void OPPROTO
op_fabs_ST0(void)
2097 void OPPROTO
op_fxam_ST0(void)
2102 void OPPROTO
op_fld1_ST0(void)
2107 void OPPROTO
op_fldl2t_ST0(void)
2112 void OPPROTO
op_fldl2e_ST0(void)
2117 void OPPROTO
op_fldpi_ST0(void)
2122 void OPPROTO
op_fldlg2_ST0(void)
2127 void OPPROTO
op_fldln2_ST0(void)
2132 void OPPROTO
op_fldz_ST0(void)
2137 void OPPROTO
op_fldz_FT0(void)
2142 /* associated heplers to reduce generated code length and to simplify
2143 relocation (FP constants are usually stored in .rodata section) */
2145 void OPPROTO
op_f2xm1(void)
2150 void OPPROTO
op_fyl2x(void)
2155 void OPPROTO
op_fptan(void)
2160 void OPPROTO
op_fpatan(void)
2165 void OPPROTO
op_fxtract(void)
2170 void OPPROTO
op_fprem1(void)
2176 void OPPROTO
op_fprem(void)
2181 void OPPROTO
op_fyl2xp1(void)
2186 void OPPROTO
op_fsqrt(void)
2191 void OPPROTO
op_fsincos(void)
2196 void OPPROTO
op_frndint(void)
2201 void OPPROTO
op_fscale(void)
2206 void OPPROTO
op_fsin(void)
2211 void OPPROTO
op_fcos(void)
2216 void OPPROTO
op_fnstsw_A0(void)
2219 fpus
= (env
->fpus
& ~0x3800) | (env
->fpstt
& 0x7) << 11;
2223 void OPPROTO
op_fnstsw_EAX(void)
2226 fpus
= (env
->fpus
& ~0x3800) | (env
->fpstt
& 0x7) << 11;
2227 EAX
= (EAX
& ~0xffff) | fpus
;
2230 void OPPROTO
op_fnstcw_A0(void)
2235 void OPPROTO
op_fldcw_A0(void)
2238 env
->fpuc
= lduw(A0
);
2239 /* set rounding mode */
2240 switch(env
->fpuc
& RC_MASK
) {
2243 rnd_type
= FE_TONEAREST
;
2246 rnd_type
= FE_DOWNWARD
;
2249 rnd_type
= FE_UPWARD
;
2252 rnd_type
= FE_TOWARDZERO
;
2255 fesetround(rnd_type
);
2258 void OPPROTO
op_fclex(void)
2260 env
->fpus
&= 0x7f00;
2263 void OPPROTO
op_fwait(void)
2265 if (env
->fpus
& FPUS_SE
)
2266 fpu_raise_exception();
2270 void OPPROTO
op_fninit(void)
2285 void OPPROTO
op_fnstenv_A0(void)
2287 helper_fstenv(A0
, PARAM1
);
2290 void OPPROTO
op_fldenv_A0(void)
2292 helper_fldenv(A0
, PARAM1
);
2295 void OPPROTO
op_fnsave_A0(void)
2297 helper_fsave(A0
, PARAM1
);
2300 void OPPROTO
op_frstor_A0(void)
2302 helper_frstor(A0
, PARAM1
);
2305 /* threading support */
2306 void OPPROTO
op_lock(void)
2311 void OPPROTO
op_unlock(void)
2317 static inline void memcpy16(void *d
, void *s
)
2319 ((uint32_t *)d
)[0] = ((uint32_t *)s
)[0];
2320 ((uint32_t *)d
)[1] = ((uint32_t *)s
)[1];
2321 ((uint32_t *)d
)[2] = ((uint32_t *)s
)[2];
2322 ((uint32_t *)d
)[3] = ((uint32_t *)s
)[3];
2325 void OPPROTO
op_movo(void)
2327 /* XXX: badly generated code */
2329 d
= (XMMReg
*)((char *)env
+ PARAM1
);
2330 s
= (XMMReg
*)((char *)env
+ PARAM2
);
2334 void OPPROTO
op_movq(void)
2337 d
= (uint64_t *)((char *)env
+ PARAM1
);
2338 s
= (uint64_t *)((char *)env
+ PARAM2
);
2342 void OPPROTO
op_movl(void)
2345 d
= (uint32_t *)((char *)env
+ PARAM1
);
2346 s
= (uint32_t *)((char *)env
+ PARAM2
);
2350 void OPPROTO
op_movq_env_0(void)
2353 d
= (uint64_t *)((char *)env
+ PARAM1
);
2357 void OPPROTO
op_fxsave_A0(void)
2359 helper_fxsave(A0
, PARAM1
);
2362 void OPPROTO
op_fxrstor_A0(void)
2364 helper_fxrstor(A0
, PARAM1
);
2367 /* XXX: optimize by storing fptt and fptags in the static cpu state */
2368 void OPPROTO
op_enter_mmx(void)
2371 *(uint32_t *)(env
->fptags
) = 0;
2372 *(uint32_t *)(env
->fptags
+ 4) = 0;
2375 void OPPROTO
op_emms(void)
2377 /* set to empty state */
2378 *(uint32_t *)(env
->fptags
) = 0x01010101;
2379 *(uint32_t *)(env
->fptags
+ 4) = 0x01010101;
2383 #include "ops_sse.h"
2386 #include "ops_sse.h"