Revision b5b38f61 target-i386/op.c
| b/target-i386/op.c | ||
|---|---|---|
| 290 | 290 |
} |
| 291 | 291 |
#endif |
| 292 | 292 |
|
| 293 |
/* division, flags are undefined */ |
|
| 294 |
|
|
| 295 |
void OPPROTO op_divb_AL_T0(void) |
|
| 296 |
{
|
|
| 297 |
unsigned int num, den, q, r; |
|
| 298 |
|
|
| 299 |
num = (EAX & 0xffff); |
|
| 300 |
den = (T0 & 0xff); |
|
| 301 |
if (den == 0) {
|
|
| 302 |
raise_exception(EXCP00_DIVZ); |
|
| 303 |
} |
|
| 304 |
q = (num / den); |
|
| 305 |
if (q > 0xff) |
|
| 306 |
raise_exception(EXCP00_DIVZ); |
|
| 307 |
q &= 0xff; |
|
| 308 |
r = (num % den) & 0xff; |
|
| 309 |
EAX = (EAX & ~0xffff) | (r << 8) | q; |
|
| 310 |
} |
|
| 311 |
|
|
| 312 |
void OPPROTO op_idivb_AL_T0(void) |
|
| 313 |
{
|
|
| 314 |
int num, den, q, r; |
|
| 315 |
|
|
| 316 |
num = (int16_t)EAX; |
|
| 317 |
den = (int8_t)T0; |
|
| 318 |
if (den == 0) {
|
|
| 319 |
raise_exception(EXCP00_DIVZ); |
|
| 320 |
} |
|
| 321 |
q = (num / den); |
|
| 322 |
if (q != (int8_t)q) |
|
| 323 |
raise_exception(EXCP00_DIVZ); |
|
| 324 |
q &= 0xff; |
|
| 325 |
r = (num % den) & 0xff; |
|
| 326 |
EAX = (EAX & ~0xffff) | (r << 8) | q; |
|
| 327 |
} |
|
| 328 |
|
|
| 329 |
void OPPROTO op_divw_AX_T0(void) |
|
| 330 |
{
|
|
| 331 |
unsigned int num, den, q, r; |
|
| 332 |
|
|
| 333 |
num = (EAX & 0xffff) | ((EDX & 0xffff) << 16); |
|
| 334 |
den = (T0 & 0xffff); |
|
| 335 |
if (den == 0) {
|
|
| 336 |
raise_exception(EXCP00_DIVZ); |
|
| 337 |
} |
|
| 338 |
q = (num / den); |
|
| 339 |
if (q > 0xffff) |
|
| 340 |
raise_exception(EXCP00_DIVZ); |
|
| 341 |
q &= 0xffff; |
|
| 342 |
r = (num % den) & 0xffff; |
|
| 343 |
EAX = (EAX & ~0xffff) | q; |
|
| 344 |
EDX = (EDX & ~0xffff) | r; |
|
| 345 |
} |
|
| 346 |
|
|
| 347 |
void OPPROTO op_idivw_AX_T0(void) |
|
| 348 |
{
|
|
| 349 |
int num, den, q, r; |
|
| 350 |
|
|
| 351 |
num = (EAX & 0xffff) | ((EDX & 0xffff) << 16); |
|
| 352 |
den = (int16_t)T0; |
|
| 353 |
if (den == 0) {
|
|
| 354 |
raise_exception(EXCP00_DIVZ); |
|
| 355 |
} |
|
| 356 |
q = (num / den); |
|
| 357 |
if (q != (int16_t)q) |
|
| 358 |
raise_exception(EXCP00_DIVZ); |
|
| 359 |
q &= 0xffff; |
|
| 360 |
r = (num % den) & 0xffff; |
|
| 361 |
EAX = (EAX & ~0xffff) | q; |
|
| 362 |
EDX = (EDX & ~0xffff) | r; |
|
| 363 |
} |
|
| 364 |
|
|
| 365 |
#ifdef TARGET_X86_64 |
|
| 366 |
void OPPROTO op_divq_EAX_T0(void) |
|
| 367 |
{
|
|
| 368 |
helper_divq_EAX_T0(); |
|
| 369 |
} |
|
| 370 |
|
|
| 371 |
void OPPROTO op_idivq_EAX_T0(void) |
|
| 372 |
{
|
|
| 373 |
helper_idivq_EAX_T0(); |
|
| 374 |
} |
|
| 375 |
#endif |
|
| 376 |
|
|
| 377 | 293 |
/* constant load & misc op */ |
| 378 | 294 |
|
| 379 | 295 |
/* XXX: consistent names */ |
| ... | ... | |
| 423 | 339 |
|
| 424 | 340 |
#endif |
| 425 | 341 |
|
| 426 |
void OPPROTO op_hlt(void) |
|
| 427 |
{
|
|
| 428 |
helper_hlt(); |
|
| 429 |
} |
|
| 430 |
|
|
| 431 |
void OPPROTO op_monitor(void) |
|
| 432 |
{
|
|
| 433 |
helper_monitor(); |
|
| 434 |
} |
|
| 435 |
|
|
| 436 |
void OPPROTO op_mwait(void) |
|
| 437 |
{
|
|
| 438 |
helper_mwait(); |
|
| 439 |
} |
|
| 440 |
|
|
| 441 |
void OPPROTO op_debug(void) |
|
| 442 |
{
|
|
| 443 |
env->exception_index = EXCP_DEBUG; |
|
| 444 |
cpu_loop_exit(); |
|
| 445 |
} |
|
| 446 |
|
|
| 447 |
void OPPROTO op_raise_interrupt(void) |
|
| 448 |
{
|
|
| 449 |
int intno, next_eip_addend; |
|
| 450 |
intno = PARAM1; |
|
| 451 |
next_eip_addend = PARAM2; |
|
| 452 |
raise_interrupt(intno, 1, 0, next_eip_addend); |
|
| 453 |
} |
|
| 454 |
|
|
| 455 |
void OPPROTO op_raise_exception(void) |
|
| 456 |
{
|
|
| 457 |
int exception_index; |
|
| 458 |
exception_index = PARAM1; |
|
| 459 |
raise_exception(exception_index); |
|
| 460 |
} |
|
| 461 |
|
|
| 462 | 342 |
void OPPROTO op_into(void) |
| 463 | 343 |
{
|
| 464 | 344 |
int eflags; |
| ... | ... | |
| 469 | 349 |
FORCE_RET(); |
| 470 | 350 |
} |
| 471 | 351 |
|
| 472 |
void OPPROTO op_cli(void) |
|
| 473 |
{
|
|
| 474 |
env->eflags &= ~IF_MASK; |
|
| 475 |
} |
|
| 476 |
|
|
| 477 |
void OPPROTO op_sti(void) |
|
| 478 |
{
|
|
| 479 |
env->eflags |= IF_MASK; |
|
| 480 |
} |
|
| 481 |
|
|
| 482 |
void OPPROTO op_set_inhibit_irq(void) |
|
| 483 |
{
|
|
| 484 |
env->hflags |= HF_INHIBIT_IRQ_MASK; |
|
| 485 |
} |
|
| 486 |
|
|
| 487 |
void OPPROTO op_reset_inhibit_irq(void) |
|
| 488 |
{
|
|
| 489 |
env->hflags &= ~HF_INHIBIT_IRQ_MASK; |
|
| 490 |
} |
|
| 491 |
|
|
| 492 |
void OPPROTO op_rsm(void) |
|
| 493 |
{
|
|
| 494 |
helper_rsm(); |
|
| 495 |
} |
|
| 496 |
|
|
| 497 |
#if 0 |
|
| 498 |
/* vm86plus instructions */ |
|
| 499 |
void OPPROTO op_cli_vm(void) |
|
| 500 |
{
|
|
| 501 |
env->eflags &= ~VIF_MASK; |
|
| 502 |
} |
|
| 503 |
|
|
| 504 |
void OPPROTO op_sti_vm(void) |
|
| 505 |
{
|
|
| 506 |
env->eflags |= VIF_MASK; |
|
| 507 |
if (env->eflags & VIP_MASK) {
|
|
| 508 |
EIP = PARAM1; |
|
| 509 |
raise_exception(EXCP0D_GPF); |
|
| 510 |
} |
|
| 511 |
FORCE_RET(); |
|
| 512 |
} |
|
| 513 |
#endif |
|
| 514 |
|
|
| 515 |
void OPPROTO op_boundw(void) |
|
| 516 |
{
|
|
| 517 |
int low, high, v; |
|
| 518 |
low = ldsw(A0); |
|
| 519 |
high = ldsw(A0 + 2); |
|
| 520 |
v = (int16_t)T0; |
|
| 521 |
if (v < low || v > high) {
|
|
| 522 |
raise_exception(EXCP05_BOUND); |
|
| 523 |
} |
|
| 524 |
FORCE_RET(); |
|
| 525 |
} |
|
| 526 |
|
|
| 527 |
void OPPROTO op_boundl(void) |
|
| 528 |
{
|
|
| 529 |
int low, high, v; |
|
| 530 |
low = ldl(A0); |
|
| 531 |
high = ldl(A0 + 4); |
|
| 532 |
v = T0; |
|
| 533 |
if (v < low || v > high) {
|
|
| 534 |
raise_exception(EXCP05_BOUND); |
|
| 535 |
} |
|
| 536 |
FORCE_RET(); |
|
| 537 |
} |
|
| 538 |
|
|
| 539 | 352 |
void OPPROTO op_cmpxchg8b(void) |
| 540 | 353 |
{
|
| 541 | 354 |
helper_cmpxchg8b(); |
| 542 | 355 |
} |
| 543 | 356 |
|
| 544 |
void OPPROTO op_single_step(void) |
|
| 545 |
{
|
|
| 546 |
helper_single_step(); |
|
| 547 |
} |
|
| 548 |
|
|
| 549 | 357 |
/* multiple size ops */ |
| 550 | 358 |
|
| 551 | 359 |
#define ldul ldl |
| ... | ... | |
| 680 | 488 |
} |
| 681 | 489 |
#endif |
| 682 | 490 |
|
| 683 |
void OPPROTO op_rdtsc(void) |
|
| 684 |
{
|
|
| 685 |
helper_rdtsc(); |
|
| 686 |
} |
|
| 687 |
|
|
| 688 |
void OPPROTO op_rdpmc(void) |
|
| 689 |
{
|
|
| 690 |
helper_rdpmc(); |
|
| 691 |
} |
|
| 692 |
|
|
| 693 |
void OPPROTO op_cpuid(void) |
|
| 694 |
{
|
|
| 695 |
helper_cpuid(); |
|
| 696 |
} |
|
| 697 |
|
|
| 698 |
void OPPROTO op_enter_level(void) |
|
| 699 |
{
|
|
| 700 |
helper_enter_level(PARAM1, PARAM2); |
|
| 701 |
} |
|
| 702 |
|
|
| 703 |
#ifdef TARGET_X86_64 |
|
| 704 |
void OPPROTO op_enter64_level(void) |
|
| 705 |
{
|
|
| 706 |
helper_enter64_level(PARAM1, PARAM2); |
|
| 707 |
} |
|
| 708 |
#endif |
|
| 709 |
|
|
| 710 |
void OPPROTO op_sysenter(void) |
|
| 711 |
{
|
|
| 712 |
helper_sysenter(); |
|
| 713 |
} |
|
| 714 |
|
|
| 715 |
void OPPROTO op_sysexit(void) |
|
| 716 |
{
|
|
| 717 |
helper_sysexit(); |
|
| 718 |
} |
|
| 719 |
|
|
| 720 |
#ifdef TARGET_X86_64 |
|
| 721 |
void OPPROTO op_syscall(void) |
|
| 722 |
{
|
|
| 723 |
helper_syscall(PARAM1); |
|
| 724 |
} |
|
| 725 |
|
|
| 726 |
void OPPROTO op_sysret(void) |
|
| 727 |
{
|
|
| 728 |
helper_sysret(PARAM1); |
|
| 729 |
} |
|
| 730 |
#endif |
|
| 731 |
|
|
| 732 |
void OPPROTO op_rdmsr(void) |
|
| 733 |
{
|
|
| 734 |
helper_rdmsr(); |
|
| 735 |
} |
|
| 736 |
|
|
| 737 |
void OPPROTO op_wrmsr(void) |
|
| 738 |
{
|
|
| 739 |
helper_wrmsr(); |
|
| 740 |
} |
|
| 741 |
|
|
| 742 | 491 |
/* bcd */ |
| 743 | 492 |
|
| 744 |
/* XXX: exception */ |
|
| 745 | 493 |
void OPPROTO op_aam(void) |
| 746 | 494 |
{
|
| 747 |
int base = PARAM1; |
|
| 748 |
int al, ah; |
|
| 749 |
al = EAX & 0xff; |
|
| 750 |
ah = al / base; |
|
| 751 |
al = al % base; |
|
| 752 |
EAX = (EAX & ~0xffff) | al | (ah << 8); |
|
| 753 |
CC_DST = al; |
|
| 495 |
helper_aam(PARAM1); |
|
| 754 | 496 |
} |
| 755 | 497 |
|
| 756 | 498 |
void OPPROTO op_aad(void) |
| 757 | 499 |
{
|
| 758 |
int base = PARAM1; |
|
| 759 |
int al, ah; |
|
| 760 |
al = EAX & 0xff; |
|
| 761 |
ah = (EAX >> 8) & 0xff; |
|
| 762 |
al = ((ah * base) + al) & 0xff; |
|
| 763 |
EAX = (EAX & ~0xffff) | al; |
|
| 764 |
CC_DST = al; |
|
| 500 |
helper_aad(PARAM1); |
|
| 765 | 501 |
} |
| 766 | 502 |
|
| 767 | 503 |
void OPPROTO op_aaa(void) |
| 768 | 504 |
{
|
| 769 |
int icarry; |
|
| 770 |
int al, ah, af; |
|
| 771 |
int eflags; |
|
| 772 |
|
|
| 773 |
eflags = cc_table[CC_OP].compute_all(); |
|
| 774 |
af = eflags & CC_A; |
|
| 775 |
al = EAX & 0xff; |
|
| 776 |
ah = (EAX >> 8) & 0xff; |
|
| 777 |
|
|
| 778 |
icarry = (al > 0xf9); |
|
| 779 |
if (((al & 0x0f) > 9 ) || af) {
|
|
| 780 |
al = (al + 6) & 0x0f; |
|
| 781 |
ah = (ah + 1 + icarry) & 0xff; |
|
| 782 |
eflags |= CC_C | CC_A; |
|
| 783 |
} else {
|
|
| 784 |
eflags &= ~(CC_C | CC_A); |
|
| 785 |
al &= 0x0f; |
|
| 786 |
} |
|
| 787 |
EAX = (EAX & ~0xffff) | al | (ah << 8); |
|
| 788 |
CC_SRC = eflags; |
|
| 789 |
FORCE_RET(); |
|
| 505 |
helper_aaa(); |
|
| 790 | 506 |
} |
| 791 | 507 |
|
| 792 | 508 |
void OPPROTO op_aas(void) |
| 793 | 509 |
{
|
| 794 |
int icarry; |
|
| 795 |
int al, ah, af; |
|
| 796 |
int eflags; |
|
| 797 |
|
|
| 798 |
eflags = cc_table[CC_OP].compute_all(); |
|
| 799 |
af = eflags & CC_A; |
|
| 800 |
al = EAX & 0xff; |
|
| 801 |
ah = (EAX >> 8) & 0xff; |
|
| 802 |
|
|
| 803 |
icarry = (al < 6); |
|
| 804 |
if (((al & 0x0f) > 9 ) || af) {
|
|
| 805 |
al = (al - 6) & 0x0f; |
|
| 806 |
ah = (ah - 1 - icarry) & 0xff; |
|
| 807 |
eflags |= CC_C | CC_A; |
|
| 808 |
} else {
|
|
| 809 |
eflags &= ~(CC_C | CC_A); |
|
| 810 |
al &= 0x0f; |
|
| 811 |
} |
|
| 812 |
EAX = (EAX & ~0xffff) | al | (ah << 8); |
|
| 813 |
CC_SRC = eflags; |
|
| 814 |
FORCE_RET(); |
|
| 510 |
helper_aas(); |
|
| 815 | 511 |
} |
| 816 | 512 |
|
| 817 | 513 |
void OPPROTO op_daa(void) |
| 818 | 514 |
{
|
| 819 |
int al, af, cf; |
|
| 820 |
int eflags; |
|
| 821 |
|
|
| 822 |
eflags = cc_table[CC_OP].compute_all(); |
|
| 823 |
cf = eflags & CC_C; |
|
| 824 |
af = eflags & CC_A; |
|
| 825 |
al = EAX & 0xff; |
|
| 826 |
|
|
| 827 |
eflags = 0; |
|
| 828 |
if (((al & 0x0f) > 9 ) || af) {
|
|
| 829 |
al = (al + 6) & 0xff; |
|
| 830 |
eflags |= CC_A; |
|
| 831 |
} |
|
| 832 |
if ((al > 0x9f) || cf) {
|
|
| 833 |
al = (al + 0x60) & 0xff; |
|
| 834 |
eflags |= CC_C; |
|
| 835 |
} |
|
| 836 |
EAX = (EAX & ~0xff) | al; |
|
| 837 |
/* well, speed is not an issue here, so we compute the flags by hand */ |
|
| 838 |
eflags |= (al == 0) << 6; /* zf */ |
|
| 839 |
eflags |= parity_table[al]; /* pf */ |
|
| 840 |
eflags |= (al & 0x80); /* sf */ |
|
| 841 |
CC_SRC = eflags; |
|
| 842 |
FORCE_RET(); |
|
| 515 |
helper_daa(); |
|
| 843 | 516 |
} |
| 844 | 517 |
|
| 845 | 518 |
void OPPROTO op_das(void) |
| 846 | 519 |
{
|
| 847 |
int al, al1, af, cf; |
|
| 848 |
int eflags; |
|
| 849 |
|
|
| 850 |
eflags = cc_table[CC_OP].compute_all(); |
|
| 851 |
cf = eflags & CC_C; |
|
| 852 |
af = eflags & CC_A; |
|
| 853 |
al = EAX & 0xff; |
|
| 854 |
|
|
| 855 |
eflags = 0; |
|
| 856 |
al1 = al; |
|
| 857 |
if (((al & 0x0f) > 9 ) || af) {
|
|
| 858 |
eflags |= CC_A; |
|
| 859 |
if (al < 6 || cf) |
|
| 860 |
eflags |= CC_C; |
|
| 861 |
al = (al - 6) & 0xff; |
|
| 862 |
} |
|
| 863 |
if ((al1 > 0x99) || cf) {
|
|
| 864 |
al = (al - 0x60) & 0xff; |
|
| 865 |
eflags |= CC_C; |
|
| 866 |
} |
|
| 867 |
EAX = (EAX & ~0xff) | al; |
|
| 868 |
/* well, speed is not an issue here, so we compute the flags by hand */ |
|
| 869 |
eflags |= (al == 0) << 6; /* zf */ |
|
| 870 |
eflags |= parity_table[al]; /* pf */ |
|
| 871 |
eflags |= (al & 0x80); /* sf */ |
|
| 872 |
CC_SRC = eflags; |
|
| 873 |
FORCE_RET(); |
|
| 520 |
helper_das(); |
|
| 874 | 521 |
} |
| 875 | 522 |
|
| 876 | 523 |
/* segment handling */ |
| ... | ... | |
| 878 | 525 |
/* never use it with R_CS */ |
| 879 | 526 |
void OPPROTO op_movl_seg_T0(void) |
| 880 | 527 |
{
|
| 881 |
load_seg(PARAM1, T0); |
|
| 528 |
helper_load_seg(PARAM1, T0);
|
|
| 882 | 529 |
} |
| 883 | 530 |
|
| 884 | 531 |
/* faster VM86 version */ |
| ... | ... | |
| 901 | 548 |
|
| 902 | 549 |
void OPPROTO op_lsl(void) |
| 903 | 550 |
{
|
| 904 |
helper_lsl(); |
|
| 551 |
helper_lsl(T0);
|
|
| 905 | 552 |
} |
| 906 | 553 |
|
| 907 | 554 |
void OPPROTO op_lar(void) |
| 908 | 555 |
{
|
| 909 |
helper_lar(); |
|
| 556 |
helper_lar(T0);
|
|
| 910 | 557 |
} |
| 911 | 558 |
|
| 912 | 559 |
void OPPROTO op_verr(void) |
| 913 | 560 |
{
|
| 914 |
helper_verr(); |
|
| 561 |
helper_verr(T0);
|
|
| 915 | 562 |
} |
| 916 | 563 |
|
| 917 | 564 |
void OPPROTO op_verw(void) |
| 918 | 565 |
{
|
| 919 |
helper_verw(); |
|
| 566 |
helper_verw(T0);
|
|
| 920 | 567 |
} |
| 921 | 568 |
|
| 922 | 569 |
void OPPROTO op_arpl(void) |
| ... | ... | |
| 969 | 616 |
helper_lret_protected(PARAM1, PARAM2); |
| 970 | 617 |
} |
| 971 | 618 |
|
| 972 |
void OPPROTO op_lldt_T0(void) |
|
| 973 |
{
|
|
| 974 |
helper_lldt_T0(); |
|
| 975 |
} |
|
| 976 |
|
|
| 977 |
void OPPROTO op_ltr_T0(void) |
|
| 978 |
{
|
|
| 979 |
helper_ltr_T0(); |
|
| 980 |
} |
|
| 981 |
|
|
| 982 | 619 |
/* CR registers access. */ |
| 983 | 620 |
void OPPROTO op_movl_crN_T0(void) |
| 984 | 621 |
{
|
| ... | ... | |
| 1046 | 683 |
helper_movl_crN_T0(0); |
| 1047 | 684 |
} |
| 1048 | 685 |
|
| 1049 |
void OPPROTO op_invlpg_A0(void) |
|
| 1050 |
{
|
|
| 1051 |
helper_invlpg(A0); |
|
| 1052 |
} |
|
| 1053 |
|
|
| 1054 | 686 |
void OPPROTO op_movl_T0_env(void) |
| 1055 | 687 |
{
|
| 1056 | 688 |
T0 = *(uint32_t *)((char *)env + PARAM1); |
| ... | ... | |
| 1282 | 914 |
} |
| 1283 | 915 |
#endif |
| 1284 | 916 |
|
| 1285 |
void OPPROTO op_cld(void) |
|
| 1286 |
{
|
|
| 1287 |
DF = 1; |
|
| 1288 |
} |
|
| 1289 |
|
|
| 1290 |
void OPPROTO op_std(void) |
|
| 1291 |
{
|
|
| 1292 |
DF = -1; |
|
| 1293 |
} |
|
| 1294 |
|
|
| 1295 | 917 |
void OPPROTO op_clc(void) |
| 1296 | 918 |
{
|
| 1297 | 919 |
int eflags; |
| ... | ... | |
| 1422 | 1044 |
{
|
| 1423 | 1045 |
T0 = 0; |
| 1424 | 1046 |
} |
| 1425 |
|
|
| 1426 |
/* Secure Virtual Machine ops */ |
|
| 1427 |
|
|
| 1428 |
void OPPROTO op_vmrun(void) |
|
| 1429 |
{
|
|
| 1430 |
helper_vmrun(EAX); |
|
| 1431 |
} |
|
| 1432 |
|
|
| 1433 |
void OPPROTO op_vmmcall(void) |
|
| 1434 |
{
|
|
| 1435 |
helper_vmmcall(); |
|
| 1436 |
} |
|
| 1437 |
|
|
| 1438 |
void OPPROTO op_vmload(void) |
|
| 1439 |
{
|
|
| 1440 |
helper_vmload(EAX); |
|
| 1441 |
} |
|
| 1442 |
|
|
| 1443 |
void OPPROTO op_vmsave(void) |
|
| 1444 |
{
|
|
| 1445 |
helper_vmsave(EAX); |
|
| 1446 |
} |
|
| 1447 |
|
|
| 1448 |
void OPPROTO op_stgi(void) |
|
| 1449 |
{
|
|
| 1450 |
helper_stgi(); |
|
| 1451 |
} |
|
| 1452 |
|
|
| 1453 |
void OPPROTO op_clgi(void) |
|
| 1454 |
{
|
|
| 1455 |
helper_clgi(); |
|
| 1456 |
} |
|
| 1457 |
|
|
| 1458 |
void OPPROTO op_skinit(void) |
|
| 1459 |
{
|
|
| 1460 |
helper_skinit(); |
|
| 1461 |
} |
|
| 1462 |
|
|
| 1463 |
void OPPROTO op_invlpga(void) |
|
| 1464 |
{
|
|
| 1465 |
helper_invlpga(); |
|
| 1466 |
} |
|
Also available in: Unified diff