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-rw-r--r--tools/ddcprobe/x86emu/ops2.c2805
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diff --git a/tools/ddcprobe/x86emu/ops2.c b/tools/ddcprobe/x86emu/ops2.c
deleted file mode 100644
index 7cb585bc8..000000000
--- a/tools/ddcprobe/x86emu/ops2.c
+++ /dev/null
@@ -1,2805 +0,0 @@
-/****************************************************************************
-*
-* Realmode X86 Emulator Library
-*
-* Copyright (C) 1996-1999 SciTech Software, Inc.
-* Copyright (C) David Mosberger-Tang
-* Copyright (C) 1999 Egbert Eich
-*
-* ========================================================================
-*
-* Permission to use, copy, modify, distribute, and sell this software and
-* its documentation for any purpose is hereby granted without fee,
-* provided that the above copyright notice appear in all copies and that
-* both that copyright notice and this permission notice appear in
-* supporting documentation, and that the name of the authors not be used
-* in advertising or publicity pertaining to distribution of the software
-* without specific, written prior permission. The authors makes no
-* representations about the suitability of this software for any purpose.
-* It is provided "as is" without express or implied warranty.
-*
-* THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
-* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
-* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
-* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
-* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
-* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
-* PERFORMANCE OF THIS SOFTWARE.
-*
-* ========================================================================
-*
-* Language: ANSI C
-* Environment: Any
-* Developer: Kendall Bennett
-*
-* Description: This file includes subroutines to implement the decoding
-* and emulation of all the x86 extended two-byte processor
-* instructions.
-*
-****************************************************************************/
-/* $XFree86: xc/extras/x86emu/src/x86emu/ops2.c,v 1.6tsi Exp $ */
-
-#include "x86emu/x86emui.h"
-
-/*----------------------------- Implementation ----------------------------*/
-
-/****************************************************************************
-PARAMETERS:
-op1 - Instruction op code
-
-REMARKS:
-Handles illegal opcodes.
-****************************************************************************/
-static void x86emuOp2_illegal_op(
- u8 op2)
-{
- START_OF_INSTR();
- DECODE_PRINTF("ILLEGAL EXTENDED X86 OPCODE\n");
- TRACE_REGS();
- printk("%04x:%04x: %02X ILLEGAL EXTENDED X86 OPCODE!\n",
- M.x86.R_CS, M.x86.R_IP-2,op2);
- HALT_SYS();
- END_OF_INSTR();
-}
-
-#define xorl(a,b) ((a) && !(b)) || (!(a) && (b))
-
-/****************************************************************************
-REMARKS:
-Handles opcode 0x0f,0x80-0x8F
-****************************************************************************/
-static void x86emuOp2_long_jump(u8 op2)
-{
- s32 target;
- char *name = 0;
- int cond = 0;
-
- /* conditional jump to word offset. */
- START_OF_INSTR();
- switch (op2) {
- case 0x80:
- name = "JO\t";
- cond = ACCESS_FLAG(F_OF);
- break;
- case 0x81:
- name = "JNO\t";
- cond = !ACCESS_FLAG(F_OF);
- break;
- case 0x82:
- name = "JB\t";
- cond = ACCESS_FLAG(F_CF);
- break;
- case 0x83:
- name = "JNB\t";
- cond = !ACCESS_FLAG(F_CF);
- break;
- case 0x84:
- name = "JZ\t";
- cond = ACCESS_FLAG(F_ZF);
- break;
- case 0x85:
- name = "JNZ\t";
- cond = !ACCESS_FLAG(F_ZF);
- break;
- case 0x86:
- name = "JBE\t";
- cond = ACCESS_FLAG(F_CF) || ACCESS_FLAG(F_ZF);
- break;
- case 0x87:
- name = "JNBE\t";
- cond = !(ACCESS_FLAG(F_CF) || ACCESS_FLAG(F_ZF));
- break;
- case 0x88:
- name = "JS\t";
- cond = ACCESS_FLAG(F_SF);
- break;
- case 0x89:
- name = "JNS\t";
- cond = !ACCESS_FLAG(F_SF);
- break;
- case 0x8a:
- name = "JP\t";
- cond = ACCESS_FLAG(F_PF);
- break;
- case 0x8b:
- name = "JNP\t";
- cond = !ACCESS_FLAG(F_PF);
- break;
- case 0x8c:
- name = "JL\t";
- cond = xorl(ACCESS_FLAG(F_SF), ACCESS_FLAG(F_OF));
- break;
- case 0x8d:
- name = "JNL\t";
- cond = xorl(ACCESS_FLAG(F_SF), ACCESS_FLAG(F_OF));
- break;
- case 0x8e:
- name = "JLE\t";
- cond = (xorl(ACCESS_FLAG(F_SF), ACCESS_FLAG(F_OF)) ||
- ACCESS_FLAG(F_ZF));
- break;
- case 0x8f:
- name = "JNLE\t";
- cond = !(xorl(ACCESS_FLAG(F_SF), ACCESS_FLAG(F_OF)) ||
- ACCESS_FLAG(F_ZF));
- break;
- }
- DECODE_PRINTF(name);
- (void)name;
- target = (s16) fetch_word_imm();
- target += (s16) M.x86.R_IP;
- DECODE_PRINTF2("%04x\n", target);
- TRACE_AND_STEP();
- if (cond)
- M.x86.R_IP = (u16)target;
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR();
-}
-
-/****************************************************************************
-REMARKS:
-Handles opcode 0x0f,0x90-0x9F
-****************************************************************************/
-static void x86emuOp2_set_byte(u8 op2)
-{
- int mod, rl, rh;
- uint destoffset;
- u8 *destreg;
- char *name = 0;
- int cond = 0;
-
- START_OF_INSTR();
- switch (op2) {
- case 0x90:
- name = "SETO\t";
- cond = ACCESS_FLAG(F_OF);
- break;
- case 0x91:
- name = "SETNO\t";
- cond = !ACCESS_FLAG(F_OF);
- break;
- case 0x92:
- name = "SETB\t";
- cond = ACCESS_FLAG(F_CF);
- break;
- case 0x93:
- name = "SETNB\t";
- cond = !ACCESS_FLAG(F_CF);
- break;
- case 0x94:
- name = "SETZ\t";
- cond = ACCESS_FLAG(F_ZF);
- break;
- case 0x95:
- name = "SETNZ\t";
- cond = !ACCESS_FLAG(F_ZF);
- break;
- case 0x96:
- name = "SETBE\t";
- cond = ACCESS_FLAG(F_CF) || ACCESS_FLAG(F_ZF);
- break;
- case 0x97:
- name = "SETNBE\t";
- cond = !(ACCESS_FLAG(F_CF) || ACCESS_FLAG(F_ZF));
- break;
- case 0x98:
- name = "SETS\t";
- cond = ACCESS_FLAG(F_SF);
- break;
- case 0x99:
- name = "SETNS\t";
- cond = !ACCESS_FLAG(F_SF);
- break;
- case 0x9a:
- name = "SETP\t";
- cond = ACCESS_FLAG(F_PF);
- break;
- case 0x9b:
- name = "SETNP\t";
- cond = !ACCESS_FLAG(F_PF);
- break;
- case 0x9c:
- name = "SETL\t";
- cond = xorl(ACCESS_FLAG(F_SF), ACCESS_FLAG(F_OF));
- break;
- case 0x9d:
- name = "SETNL\t";
- cond = xorl(ACCESS_FLAG(F_SF), ACCESS_FLAG(F_OF));
- break;
- case 0x9e:
- name = "SETLE\t";
- cond = (xorl(ACCESS_FLAG(F_SF), ACCESS_FLAG(F_OF)) ||
- ACCESS_FLAG(F_ZF));
- break;
- case 0x9f:
- name = "SETNLE\t";
- cond = !(xorl(ACCESS_FLAG(F_SF), ACCESS_FLAG(F_OF)) ||
- ACCESS_FLAG(F_ZF));
- break;
- }
- DECODE_PRINTF(name);
- (void)name;
- FETCH_DECODE_MODRM(mod, rh, rl);
- switch (mod) {
- case 0:
- destoffset = decode_rm00_address(rl);
- TRACE_AND_STEP();
- store_data_byte(destoffset, cond ? 0x01 : 0x00);
- break;
- case 1:
- destoffset = decode_rm01_address(rl);
- TRACE_AND_STEP();
- store_data_byte(destoffset, cond ? 0x01 : 0x00);
- break;
- case 2:
- destoffset = decode_rm10_address(rl);
- TRACE_AND_STEP();
- store_data_byte(destoffset, cond ? 0x01 : 0x00);
- break;
- case 3: /* register to register */
- destreg = DECODE_RM_BYTE_REGISTER(rl);
- TRACE_AND_STEP();
- *destreg = cond ? 0x01 : 0x00;
- break;
- }
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR();
-}
-
-/****************************************************************************
-REMARKS:
-Handles opcode 0x0f,0xa0
-****************************************************************************/
-static void x86emuOp2_push_FS(u8 X86EMU_UNUSED(op2))
-{
- START_OF_INSTR();
- DECODE_PRINTF("PUSH\tFS\n");
- TRACE_AND_STEP();
- push_word(M.x86.R_FS);
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR();
-}
-
-/****************************************************************************
-REMARKS:
-Handles opcode 0x0f,0xa1
-****************************************************************************/
-static void x86emuOp2_pop_FS(u8 X86EMU_UNUSED(op2))
-{
- START_OF_INSTR();
- DECODE_PRINTF("POP\tFS\n");
- TRACE_AND_STEP();
- M.x86.R_FS = pop_word();
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR();
-}
-
-/****************************************************************************
-REMARKS:
-Handles opcode 0x0f,0xa3
-****************************************************************************/
-static void x86emuOp2_bt_R(u8 X86EMU_UNUSED(op2))
-{
- int mod, rl, rh;
- uint srcoffset;
- int bit,disp;
-
- START_OF_INSTR();
- DECODE_PRINTF("BT\t");
- FETCH_DECODE_MODRM(mod, rh, rl);
- switch (mod) {
- case 0:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval;
- u32 *shiftreg;
-
- srcoffset = decode_rm00_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0x1F;
- disp = (s16)*shiftreg >> 5;
- srcval = fetch_data_long(srcoffset+disp);
- CONDITIONAL_SET_FLAG(srcval & (0x1 << bit),F_CF);
- } else {
- u16 srcval;
- u16 *shiftreg;
-
- srcoffset = decode_rm00_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0xF;
- disp = (s16)*shiftreg >> 4;
- srcval = fetch_data_word(srcoffset+disp);
- CONDITIONAL_SET_FLAG(srcval & (0x1 << bit),F_CF);
- }
- break;
- case 1:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval;
- u32 *shiftreg;
-
- srcoffset = decode_rm01_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0x1F;
- disp = (s16)*shiftreg >> 5;
- srcval = fetch_data_long(srcoffset+disp);
- CONDITIONAL_SET_FLAG(srcval & (0x1 << bit),F_CF);
- } else {
- u16 srcval;
- u16 *shiftreg;
-
- srcoffset = decode_rm01_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0xF;
- disp = (s16)*shiftreg >> 4;
- srcval = fetch_data_word(srcoffset+disp);
- CONDITIONAL_SET_FLAG(srcval & (0x1 << bit),F_CF);
- }
- break;
- case 2:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval;
- u32 *shiftreg;
-
- srcoffset = decode_rm10_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0x1F;
- disp = (s16)*shiftreg >> 5;
- srcval = fetch_data_long(srcoffset+disp);
- CONDITIONAL_SET_FLAG(srcval & (0x1 << bit),F_CF);
- } else {
- u16 srcval;
- u16 *shiftreg;
-
- srcoffset = decode_rm10_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0xF;
- disp = (s16)*shiftreg >> 4;
- srcval = fetch_data_word(srcoffset+disp);
- CONDITIONAL_SET_FLAG(srcval & (0x1 << bit),F_CF);
- }
- break;
- case 3: /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *srcreg,*shiftreg;
-
- srcreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0x1F;
- CONDITIONAL_SET_FLAG(*srcreg & (0x1 << bit),F_CF);
- } else {
- u16 *srcreg,*shiftreg;
-
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0xF;
- CONDITIONAL_SET_FLAG(*srcreg & (0x1 << bit),F_CF);
- }
- break;
- }
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR();
-}
-
-/****************************************************************************
-REMARKS:
-Handles opcode 0x0f,0xa4
-****************************************************************************/
-static void x86emuOp2_shld_IMM(u8 X86EMU_UNUSED(op2))
-{
- int mod, rl, rh;
- uint destoffset;
- u8 shift;
-
- START_OF_INSTR();
- DECODE_PRINTF("SHLD\t");
- FETCH_DECODE_MODRM(mod, rh, rl);
- switch (mod) {
- case 0:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
- u32 *shiftreg;
-
- destoffset = decode_rm00_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- DECODE_PRINTF2("%d\n", shift);
- TRACE_AND_STEP();
- destval = fetch_data_long(destoffset);
- destval = shld_long(destval,*shiftreg,shift);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
- u16 *shiftreg;
-
- destoffset = decode_rm00_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- DECODE_PRINTF2("%d\n", shift);
- TRACE_AND_STEP();
- destval = fetch_data_word(destoffset);
- destval = shld_word(destval,*shiftreg,shift);
- store_data_word(destoffset, destval);
- }
- break;
- case 1:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
- u32 *shiftreg;
-
- destoffset = decode_rm01_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- DECODE_PRINTF2("%d\n", shift);
- TRACE_AND_STEP();
- destval = fetch_data_long(destoffset);
- destval = shld_long(destval,*shiftreg,shift);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
- u16 *shiftreg;
-
- destoffset = decode_rm01_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- DECODE_PRINTF2("%d\n", shift);
- TRACE_AND_STEP();
- destval = fetch_data_word(destoffset);
- destval = shld_word(destval,*shiftreg,shift);
- store_data_word(destoffset, destval);
- }
- break;
- case 2:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
- u32 *shiftreg;
-
- destoffset = decode_rm10_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- DECODE_PRINTF2("%d\n", shift);
- TRACE_AND_STEP();
- destval = fetch_data_long(destoffset);
- destval = shld_long(destval,*shiftreg,shift);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
- u16 *shiftreg;
-
- destoffset = decode_rm10_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- DECODE_PRINTF2("%d\n", shift);
- TRACE_AND_STEP();
- destval = fetch_data_word(destoffset);
- destval = shld_word(destval,*shiftreg,shift);
- store_data_word(destoffset, destval);
- }
- break;
- case 3: /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg,*shiftreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- DECODE_PRINTF2("%d\n", shift);
- TRACE_AND_STEP();
- *destreg = shld_long(*destreg,*shiftreg,shift);
- } else {
- u16 *destreg,*shiftreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- DECODE_PRINTF2("%d\n", shift);
- TRACE_AND_STEP();
- *destreg = shld_word(*destreg,*shiftreg,shift);
- }
- break;
- }
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR();
-}
-
-/****************************************************************************
-REMARKS:
-Handles opcode 0x0f,0xa5
-****************************************************************************/
-static void x86emuOp2_shld_CL(u8 X86EMU_UNUSED(op2))
-{
- int mod, rl, rh;
- uint destoffset;
-
- START_OF_INSTR();
- DECODE_PRINTF("SHLD\t");
- FETCH_DECODE_MODRM(mod, rh, rl);
- switch (mod) {
- case 0:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
- u32 *shiftreg;
-
- destoffset = decode_rm00_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- destval = fetch_data_long(destoffset);
- destval = shld_long(destval,*shiftreg,M.x86.R_CL);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
- u16 *shiftreg;
-
- destoffset = decode_rm00_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- destval = fetch_data_word(destoffset);
- destval = shld_word(destval,*shiftreg,M.x86.R_CL);
- store_data_word(destoffset, destval);
- }
- break;
- case 1:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
- u32 *shiftreg;
-
- destoffset = decode_rm01_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- destval = fetch_data_long(destoffset);
- destval = shld_long(destval,*shiftreg,M.x86.R_CL);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
- u16 *shiftreg;
-
- destoffset = decode_rm01_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- destval = fetch_data_word(destoffset);
- destval = shld_word(destval,*shiftreg,M.x86.R_CL);
- store_data_word(destoffset, destval);
- }
- break;
- case 2:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
- u32 *shiftreg;
-
- destoffset = decode_rm10_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- destval = fetch_data_long(destoffset);
- destval = shld_long(destval,*shiftreg,M.x86.R_CL);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
- u16 *shiftreg;
-
- destoffset = decode_rm10_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- destval = fetch_data_word(destoffset);
- destval = shld_word(destval,*shiftreg,M.x86.R_CL);
- store_data_word(destoffset, destval);
- }
- break;
- case 3: /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg,*shiftreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- *destreg = shld_long(*destreg,*shiftreg,M.x86.R_CL);
- } else {
- u16 *destreg,*shiftreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- *destreg = shld_word(*destreg,*shiftreg,M.x86.R_CL);
- }
- break;
- }
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR();
-}
-
-/****************************************************************************
-REMARKS:
-Handles opcode 0x0f,0xa8
-****************************************************************************/
-static void x86emuOp2_push_GS(u8 X86EMU_UNUSED(op2))
-{
- START_OF_INSTR();
- DECODE_PRINTF("PUSH\tGS\n");
- TRACE_AND_STEP();
- push_word(M.x86.R_GS);
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR();
-}
-
-/****************************************************************************
-REMARKS:
-Handles opcode 0x0f,0xa9
-****************************************************************************/
-static void x86emuOp2_pop_GS(u8 X86EMU_UNUSED(op2))
-{
- START_OF_INSTR();
- DECODE_PRINTF("POP\tGS\n");
- TRACE_AND_STEP();
- M.x86.R_GS = pop_word();
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR();
-}
-
-#if 0
-/****************************************************************************
-REMARKS:
-Handles opcode 0x0f,0xaa
-****************************************************************************/
-static void x86emuOp2_bts_R(u8 X86EMU_UNUSED(op2))
-{
- int mod, rl, rh;
- uint srcoffset;
- int bit,disp;
-
- START_OF_INSTR();
- DECODE_PRINTF("BTS\t");
- FETCH_DECODE_MODRM(mod, rh, rl);
- switch (mod) {
- case 0:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval,mask;
- u32 *shiftreg;
-
- srcoffset = decode_rm00_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0x1F;
- disp = (s16)*shiftreg >> 5;
- srcval = fetch_data_long(srcoffset+disp);
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- store_data_long(srcoffset+disp, srcval | mask);
- } else {
- u16 srcval,mask;
- u16 *shiftreg;
-
- srcoffset = decode_rm00_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0xF;
- disp = (s16)*shiftreg >> 4;
- srcval = fetch_data_word(srcoffset+disp);
- mask = (u16)(0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- store_data_word(srcoffset+disp, srcval | mask);
- }
- break;
- case 1:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval,mask;
- u32 *shiftreg;
-
- srcoffset = decode_rm01_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0x1F;
- disp = (s16)*shiftreg >> 5;
- srcval = fetch_data_long(srcoffset+disp);
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- store_data_long(srcoffset+disp, srcval | mask);
- } else {
- u16 srcval,mask;
- u16 *shiftreg;
-
- srcoffset = decode_rm01_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0xF;
- disp = (s16)*shiftreg >> 4;
- srcval = fetch_data_word(srcoffset+disp);
- mask = (u16)(0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- store_data_word(srcoffset+disp, srcval | mask);
- }
- break;
- case 2:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval,mask;
- u32 *shiftreg;
-
- srcoffset = decode_rm10_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0x1F;
- disp = (s16)*shiftreg >> 5;
- srcval = fetch_data_long(srcoffset+disp);
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- store_data_long(srcoffset+disp, srcval | mask);
- } else {
- u16 srcval,mask;
- u16 *shiftreg;
-
- srcoffset = decode_rm10_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0xF;
- disp = (s16)*shiftreg >> 4;
- srcval = fetch_data_word(srcoffset+disp);
- mask = (u16)(0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- store_data_word(srcoffset+disp, srcval | mask);
- }
- break;
- case 3: /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *srcreg,*shiftreg;
- u32 mask;
-
- srcreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0x1F;
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(*srcreg & mask,F_CF);
- *srcreg |= mask;
- } else {
- u16 *srcreg,*shiftreg;
- u16 mask;
-
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0xF;
- mask = (u16)(0x1 << bit);
- CONDITIONAL_SET_FLAG(*srcreg & mask,F_CF);
- *srcreg |= mask;
- }
- break;
- }
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR();
-}
-#endif
-
-/****************************************************************************
-REMARKS:
-Handles opcode 0x0f,0xac
-****************************************************************************/
-static void x86emuOp2_shrd_IMM(u8 X86EMU_UNUSED(op2))
-{
- int mod, rl, rh;
- uint destoffset;
- u8 shift;
-
- START_OF_INSTR();
- DECODE_PRINTF("SHLD\t");
- FETCH_DECODE_MODRM(mod, rh, rl);
- switch (mod) {
- case 0:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
- u32 *shiftreg;
-
- destoffset = decode_rm00_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- DECODE_PRINTF2("%d\n", shift);
- TRACE_AND_STEP();
- destval = fetch_data_long(destoffset);
- destval = shrd_long(destval,*shiftreg,shift);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
- u16 *shiftreg;
-
- destoffset = decode_rm00_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- DECODE_PRINTF2("%d\n", shift);
- TRACE_AND_STEP();
- destval = fetch_data_word(destoffset);
- destval = shrd_word(destval,*shiftreg,shift);
- store_data_word(destoffset, destval);
- }
- break;
- case 1:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
- u32 *shiftreg;
-
- destoffset = decode_rm01_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- DECODE_PRINTF2("%d\n", shift);
- TRACE_AND_STEP();
- destval = fetch_data_long(destoffset);
- destval = shrd_long(destval,*shiftreg,shift);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
- u16 *shiftreg;
-
- destoffset = decode_rm01_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- DECODE_PRINTF2("%d\n", shift);
- TRACE_AND_STEP();
- destval = fetch_data_word(destoffset);
- destval = shrd_word(destval,*shiftreg,shift);
- store_data_word(destoffset, destval);
- }
- break;
- case 2:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
- u32 *shiftreg;
-
- destoffset = decode_rm10_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- DECODE_PRINTF2("%d\n", shift);
- TRACE_AND_STEP();
- destval = fetch_data_long(destoffset);
- destval = shrd_long(destval,*shiftreg,shift);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
- u16 *shiftreg;
-
- destoffset = decode_rm10_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- DECODE_PRINTF2("%d\n", shift);
- TRACE_AND_STEP();
- destval = fetch_data_word(destoffset);
- destval = shrd_word(destval,*shiftreg,shift);
- store_data_word(destoffset, destval);
- }
- break;
- case 3: /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg,*shiftreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- DECODE_PRINTF2("%d\n", shift);
- TRACE_AND_STEP();
- *destreg = shrd_long(*destreg,*shiftreg,shift);
- } else {
- u16 *destreg,*shiftreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- DECODE_PRINTF2("%d\n", shift);
- TRACE_AND_STEP();
- *destreg = shrd_word(*destreg,*shiftreg,shift);
- }
- break;
- }
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR();
-}
-
-/****************************************************************************
-REMARKS:
-Handles opcode 0x0f,0xad
-****************************************************************************/
-static void x86emuOp2_shrd_CL(u8 X86EMU_UNUSED(op2))
-{
- int mod, rl, rh;
- uint destoffset;
-
- START_OF_INSTR();
- DECODE_PRINTF("SHLD\t");
- FETCH_DECODE_MODRM(mod, rh, rl);
- switch (mod) {
- case 0:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
- u32 *shiftreg;
-
- destoffset = decode_rm00_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- destval = fetch_data_long(destoffset);
- destval = shrd_long(destval,*shiftreg,M.x86.R_CL);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
- u16 *shiftreg;
-
- destoffset = decode_rm00_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- destval = fetch_data_word(destoffset);
- destval = shrd_word(destval,*shiftreg,M.x86.R_CL);
- store_data_word(destoffset, destval);
- }
- break;
- case 1:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
- u32 *shiftreg;
-
- destoffset = decode_rm01_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- destval = fetch_data_long(destoffset);
- destval = shrd_long(destval,*shiftreg,M.x86.R_CL);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
- u16 *shiftreg;
-
- destoffset = decode_rm01_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- destval = fetch_data_word(destoffset);
- destval = shrd_word(destval,*shiftreg,M.x86.R_CL);
- store_data_word(destoffset, destval);
- }
- break;
- case 2:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
- u32 *shiftreg;
-
- destoffset = decode_rm10_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- destval = fetch_data_long(destoffset);
- destval = shrd_long(destval,*shiftreg,M.x86.R_CL);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
- u16 *shiftreg;
-
- destoffset = decode_rm10_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- destval = fetch_data_word(destoffset);
- destval = shrd_word(destval,*shiftreg,M.x86.R_CL);
- store_data_word(destoffset, destval);
- }
- break;
- case 3: /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg,*shiftreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- *destreg = shrd_long(*destreg,*shiftreg,M.x86.R_CL);
- } else {
- u16 *destreg,*shiftreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- *destreg = shrd_word(*destreg,*shiftreg,M.x86.R_CL);
- }
- break;
- }
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR();
-}
-
-/****************************************************************************
-REMARKS:
-Handles opcode 0x0f,0xaf
-****************************************************************************/
-static void x86emuOp2_imul_R_RM(u8 X86EMU_UNUSED(op2))
-{
- int mod, rl, rh;
- uint srcoffset;
-
- START_OF_INSTR();
- DECODE_PRINTF("IMUL\t");
- FETCH_DECODE_MODRM(mod, rh, rl);
- switch (mod) {
- case 0:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u32 srcval;
- u32 res_lo,res_hi;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm00_address(rl);
- srcval = fetch_data_long(srcoffset);
- TRACE_AND_STEP();
- imul_long_direct(&res_lo,&res_hi,(s32)*destreg,(s32)srcval);
- if (res_hi != 0) {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
- } else {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- }
- *destreg = (u32)res_lo;
- } else {
- u16 *destreg;
- u16 srcval;
- u32 res;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm00_address(rl);
- srcval = fetch_data_word(srcoffset);
- TRACE_AND_STEP();
- res = (s16)*destreg * (s16)srcval;
- if (res > 0xFFFF) {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
- } else {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- }
- *destreg = (u16)res;
- }
- break;
- case 1:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u32 srcval;
- u32 res_lo,res_hi;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm01_address(rl);
- srcval = fetch_data_long(srcoffset);
- TRACE_AND_STEP();
- imul_long_direct(&res_lo,&res_hi,(s32)*destreg,(s32)srcval);
- if (res_hi != 0) {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
- } else {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- }
- *destreg = (u32)res_lo;
- } else {
- u16 *destreg;
- u16 srcval;
- u32 res;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm01_address(rl);
- srcval = fetch_data_word(srcoffset);
- TRACE_AND_STEP();
- res = (s16)*destreg * (s16)srcval;
- if (res > 0xFFFF) {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
- } else {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- }
- *destreg = (u16)res;
- }
- break;
- case 2:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u32 srcval;
- u32 res_lo,res_hi;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm10_address(rl);
- srcval = fetch_data_long(srcoffset);
- TRACE_AND_STEP();
- imul_long_direct(&res_lo,&res_hi,(s32)*destreg,(s32)srcval);
- if (res_hi != 0) {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
- } else {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- }
- *destreg = (u32)res_lo;
- } else {
- u16 *destreg;
- u16 srcval;
- u32 res;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm10_address(rl);
- srcval = fetch_data_word(srcoffset);
- TRACE_AND_STEP();
- res = (s16)*destreg * (s16)srcval;
- if (res > 0xFFFF) {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
- } else {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- }
- *destreg = (u16)res;
- }
- break;
- case 3: /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg,*srcreg;
- u32 res_lo,res_hi;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_LONG_REGISTER(rl);
- TRACE_AND_STEP();
- imul_long_direct(&res_lo,&res_hi,(s32)*destreg,(s32)*srcreg);
- if (res_hi != 0) {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
- } else {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- }
- *destreg = (u32)res_lo;
- } else {
- u16 *destreg,*srcreg;
- u32 res;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- res = (s16)*destreg * (s16)*srcreg;
- if (res > 0xFFFF) {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
- } else {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- }
- *destreg = (u16)res;
- }
- break;
- }
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR();
-}
-
-/****************************************************************************
-REMARKS:
-Handles opcode 0x0f,0xb2
-****************************************************************************/
-static void x86emuOp2_lss_R_IMM(u8 X86EMU_UNUSED(op2))
-{
- int mod, rh, rl;
- u16 *dstreg;
- uint srcoffset;
-
- START_OF_INSTR();
- DECODE_PRINTF("LSS\t");
- FETCH_DECODE_MODRM(mod, rh, rl);
- switch (mod) {
- case 0:
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm00_address(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *dstreg = fetch_data_word(srcoffset);
- M.x86.R_SS = fetch_data_word(srcoffset + 2);
- break;
- case 1:
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm01_address(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *dstreg = fetch_data_word(srcoffset);
- M.x86.R_SS = fetch_data_word(srcoffset + 2);
- break;
- case 2:
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm10_address(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *dstreg = fetch_data_word(srcoffset);
- M.x86.R_SS = fetch_data_word(srcoffset + 2);
- break;
- case 3: /* register to register */
- /* UNDEFINED! */
- TRACE_AND_STEP();
- }
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR();
-}
-
-/****************************************************************************
-REMARKS:
-Handles opcode 0x0f,0xb3
-****************************************************************************/
-static void x86emuOp2_btr_R(u8 X86EMU_UNUSED(op2))
-{
- int mod, rl, rh;
- uint srcoffset;
- int bit,disp;
-
- START_OF_INSTR();
- DECODE_PRINTF("BTR\t");
- FETCH_DECODE_MODRM(mod, rh, rl);
- switch (mod) {
- case 0:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval,mask;
- u32 *shiftreg;
-
- srcoffset = decode_rm00_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0x1F;
- disp = (s16)*shiftreg >> 5;
- srcval = fetch_data_long(srcoffset+disp);
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- store_data_long(srcoffset+disp, srcval & ~mask);
- } else {
- u16 srcval,mask;
- u16 *shiftreg;
-
- srcoffset = decode_rm00_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0xF;
- disp = (s16)*shiftreg >> 4;
- srcval = fetch_data_word(srcoffset+disp);
- mask = (u16)(0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- store_data_word(srcoffset+disp, (u16)(srcval & ~mask));
- }
- break;
- case 1:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval,mask;
- u32 *shiftreg;
-
- srcoffset = decode_rm01_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0x1F;
- disp = (s16)*shiftreg >> 5;
- srcval = fetch_data_long(srcoffset+disp);
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- store_data_long(srcoffset+disp, srcval & ~mask);
- } else {
- u16 srcval,mask;
- u16 *shiftreg;
-
- srcoffset = decode_rm01_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0xF;
- disp = (s16)*shiftreg >> 4;
- srcval = fetch_data_word(srcoffset+disp);
- mask = (u16)(0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- store_data_word(srcoffset+disp, (u16)(srcval & ~mask));
- }
- break;
- case 2:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval,mask;
- u32 *shiftreg;
-
- srcoffset = decode_rm10_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0x1F;
- disp = (s16)*shiftreg >> 5;
- srcval = fetch_data_long(srcoffset+disp);
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- store_data_long(srcoffset+disp, srcval & ~mask);
- } else {
- u16 srcval,mask;
- u16 *shiftreg;
-
- srcoffset = decode_rm10_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0xF;
- disp = (s16)*shiftreg >> 4;
- srcval = fetch_data_word(srcoffset+disp);
- mask = (u16)(0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- store_data_word(srcoffset+disp, (u16)(srcval & ~mask));
- }
- break;
- case 3: /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *srcreg,*shiftreg;
- u32 mask;
-
- srcreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0x1F;
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(*srcreg & mask,F_CF);
- *srcreg &= ~mask;
- } else {
- u16 *srcreg,*shiftreg;
- u16 mask;
-
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0xF;
- mask = (u16)(0x1 << bit);
- CONDITIONAL_SET_FLAG(*srcreg & mask,F_CF);
- *srcreg &= ~mask;
- }
- break;
- }
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR();
-}
-
-/****************************************************************************
-REMARKS:
-Handles opcode 0x0f,0xb4
-****************************************************************************/
-static void x86emuOp2_lfs_R_IMM(u8 X86EMU_UNUSED(op2))
-{
- int mod, rh, rl;
- u16 *dstreg;
- uint srcoffset;
-
- START_OF_INSTR();
- DECODE_PRINTF("LFS\t");
- FETCH_DECODE_MODRM(mod, rh, rl);
- switch (mod) {
- case 0:
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm00_address(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *dstreg = fetch_data_word(srcoffset);
- M.x86.R_FS = fetch_data_word(srcoffset + 2);
- break;
- case 1:
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm01_address(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *dstreg = fetch_data_word(srcoffset);
- M.x86.R_FS = fetch_data_word(srcoffset + 2);
- break;
- case 2:
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm10_address(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *dstreg = fetch_data_word(srcoffset);
- M.x86.R_FS = fetch_data_word(srcoffset + 2);
- break;
- case 3: /* register to register */
- /* UNDEFINED! */
- TRACE_AND_STEP();
- }
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR();
-}
-
-/****************************************************************************
-REMARKS:
-Handles opcode 0x0f,0xb5
-****************************************************************************/
-static void x86emuOp2_lgs_R_IMM(u8 X86EMU_UNUSED(op2))
-{
- int mod, rh, rl;
- u16 *dstreg;
- uint srcoffset;
-
- START_OF_INSTR();
- DECODE_PRINTF("LGS\t");
- FETCH_DECODE_MODRM(mod, rh, rl);
- switch (mod) {
- case 0:
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm00_address(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *dstreg = fetch_data_word(srcoffset);
- M.x86.R_GS = fetch_data_word(srcoffset + 2);
- break;
- case 1:
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm01_address(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *dstreg = fetch_data_word(srcoffset);
- M.x86.R_GS = fetch_data_word(srcoffset + 2);
- break;
- case 2:
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm10_address(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *dstreg = fetch_data_word(srcoffset);
- M.x86.R_GS = fetch_data_word(srcoffset + 2);
- break;
- case 3: /* register to register */
- /* UNDEFINED! */
- TRACE_AND_STEP();
- }
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR();
-}
-
-/****************************************************************************
-REMARKS:
-Handles opcode 0x0f,0xb6
-****************************************************************************/
-static void x86emuOp2_movzx_byte_R_RM(u8 X86EMU_UNUSED(op2))
-{
- int mod, rl, rh;
- uint srcoffset;
-
- START_OF_INSTR();
- DECODE_PRINTF("MOVZX\t");
- FETCH_DECODE_MODRM(mod, rh, rl);
- switch (mod) {
- case 0:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u32 srcval;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm00_address(rl);
- srcval = fetch_data_byte(srcoffset);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- } else {
- u16 *destreg;
- u16 srcval;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm00_address(rl);
- srcval = fetch_data_byte(srcoffset);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- }
- break;
- case 1:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u32 srcval;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm01_address(rl);
- srcval = fetch_data_byte(srcoffset);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- } else {
- u16 *destreg;
- u16 srcval;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm01_address(rl);
- srcval = fetch_data_byte(srcoffset);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- }
- break;
- case 2:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u32 srcval;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm10_address(rl);
- srcval = fetch_data_byte(srcoffset);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- } else {
- u16 *destreg;
- u16 srcval;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm10_address(rl);
- srcval = fetch_data_byte(srcoffset);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- }
- break;
- case 3: /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u8 *srcreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_BYTE_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = *srcreg;
- } else {
- u16 *destreg;
- u8 *srcreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_BYTE_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = *srcreg;
- }
- break;
- }
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR();
-}
-
-/****************************************************************************
-REMARKS:
-Handles opcode 0x0f,0xb7
-****************************************************************************/
-static void x86emuOp2_movzx_word_R_RM(u8 X86EMU_UNUSED(op2))
-{
- int mod, rl, rh;
- uint srcoffset;
- u32 *destreg;
- u32 srcval;
- u16 *srcreg;
-
- START_OF_INSTR();
- DECODE_PRINTF("MOVZX\t");
- FETCH_DECODE_MODRM(mod, rh, rl);
- switch (mod) {
- case 0:
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm00_address(rl);
- srcval = fetch_data_word(srcoffset);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- break;
- case 1:
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm01_address(rl);
- srcval = fetch_data_word(srcoffset);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- break;
- case 2:
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm10_address(rl);
- srcval = fetch_data_word(srcoffset);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- break;
- case 3: /* register to register */
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = *srcreg;
- break;
- }
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR();
-}
-
-/****************************************************************************
-REMARKS:
-Handles opcode 0x0f,0xba
-****************************************************************************/
-static void x86emuOp2_btX_I(u8 X86EMU_UNUSED(op2))
-{
- int mod, rl, rh;
- uint srcoffset;
- int bit;
-
- START_OF_INSTR();
- FETCH_DECODE_MODRM(mod, rh, rl);
- switch (rh) {
- case 4:
- DECODE_PRINTF("BT\t");
- break;
- case 5:
- DECODE_PRINTF("BTS\t");
- break;
- case 6:
- DECODE_PRINTF("BTR\t");
- break;
- case 7:
- DECODE_PRINTF("BTC\t");
- break;
- default:
- DECODE_PRINTF("ILLEGAL EXTENDED X86 OPCODE\n");
- TRACE_REGS();
- printk("%04x:%04x: %02X%02X ILLEGAL EXTENDED X86 OPCODE EXTENSION!\n",
- M.x86.R_CS, M.x86.R_IP-3,op2, (mod<<6)|(rh<<3)|rl);
- HALT_SYS();
- }
- switch (mod) {
- case 0:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval, mask;
- u8 shift;
-
- srcoffset = decode_rm00_address(rl);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- TRACE_AND_STEP();
- bit = shift & 0x1F;
- srcval = fetch_data_long(srcoffset);
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- switch (rh) {
- case 5:
- store_data_long(srcoffset, srcval | mask);
- break;
- case 6:
- store_data_long(srcoffset, srcval & ~mask);
- break;
- case 7:
- store_data_long(srcoffset, srcval ^ mask);
- break;
- default:
- break;
- }
- } else {
- u16 srcval, mask;
- u8 shift;
-
- srcoffset = decode_rm00_address(rl);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- TRACE_AND_STEP();
- bit = shift & 0xF;
- srcval = fetch_data_word(srcoffset);
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- switch (rh) {
- case 5:
- store_data_word(srcoffset, srcval | mask);
- break;
- case 6:
- store_data_word(srcoffset, srcval & ~mask);
- break;
- case 7:
- store_data_word(srcoffset, srcval ^ mask);
- break;
- default:
- break;
- }
- }
- break;
- case 1:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval, mask;
- u8 shift;
-
- srcoffset = decode_rm01_address(rl);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- TRACE_AND_STEP();
- bit = shift & 0x1F;
- srcval = fetch_data_long(srcoffset);
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- switch (rh) {
- case 5:
- store_data_long(srcoffset, srcval | mask);
- break;
- case 6:
- store_data_long(srcoffset, srcval & ~mask);
- break;
- case 7:
- store_data_long(srcoffset, srcval ^ mask);
- break;
- default:
- break;
- }
- } else {
- u16 srcval, mask;
- u8 shift;
-
- srcoffset = decode_rm01_address(rl);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- TRACE_AND_STEP();
- bit = shift & 0xF;
- srcval = fetch_data_word(srcoffset);
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- switch (rh) {
- case 5:
- store_data_word(srcoffset, srcval | mask);
- break;
- case 6:
- store_data_word(srcoffset, srcval & ~mask);
- break;
- case 7:
- store_data_word(srcoffset, srcval ^ mask);
- break;
- default:
- break;
- }
- }
- break;
- case 2:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval, mask;
- u8 shift;
-
- srcoffset = decode_rm10_address(rl);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- TRACE_AND_STEP();
- bit = shift & 0x1F;
- srcval = fetch_data_long(srcoffset);
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- switch (rh) {
- case 5:
- store_data_long(srcoffset, srcval | mask);
- break;
- case 6:
- store_data_long(srcoffset, srcval & ~mask);
- break;
- case 7:
- store_data_long(srcoffset, srcval ^ mask);
- break;
- default:
- break;
- }
- } else {
- u16 srcval, mask;
- u8 shift;
-
- srcoffset = decode_rm10_address(rl);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- TRACE_AND_STEP();
- bit = shift & 0xF;
- srcval = fetch_data_word(srcoffset);
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- switch (rh) {
- case 5:
- store_data_word(srcoffset, srcval | mask);
- break;
- case 6:
- store_data_word(srcoffset, srcval & ~mask);
- break;
- case 7:
- store_data_word(srcoffset, srcval ^ mask);
- break;
- default:
- break;
- }
- }
- break;
- case 3: /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *srcreg;
- u32 mask;
- u8 shift;
-
- srcreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- TRACE_AND_STEP();
- bit = shift & 0x1F;
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(*srcreg & mask,F_CF);
- switch (rh) {
- case 5:
- *srcreg |= mask;
- break;
- case 6:
- *srcreg &= ~mask;
- break;
- case 7:
- *srcreg ^= mask;
- break;
- default:
- break;
- }
- } else {
- u16 *srcreg;
- u16 mask;
- u8 shift;
-
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- TRACE_AND_STEP();
- bit = shift & 0xF;
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(*srcreg & mask,F_CF);
- switch (rh) {
- case 5:
- *srcreg |= mask;
- break;
- case 6:
- *srcreg &= ~mask;
- break;
- case 7:
- *srcreg ^= mask;
- break;
- default:
- break;
- }
- }
- break;
- }
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR();
-}
-
-/****************************************************************************
-REMARKS:
-Handles opcode 0x0f,0xbb
-****************************************************************************/
-static void x86emuOp2_btc_R(u8 X86EMU_UNUSED(op2))
-{
- int mod, rl, rh;
- uint srcoffset;
- int bit,disp;
-
- START_OF_INSTR();
- DECODE_PRINTF("BTC\t");
- FETCH_DECODE_MODRM(mod, rh, rl);
- switch (mod) {
- case 0:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval,mask;
- u32 *shiftreg;
-
- srcoffset = decode_rm00_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0x1F;
- disp = (s16)*shiftreg >> 5;
- srcval = fetch_data_long(srcoffset+disp);
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- store_data_long(srcoffset+disp, srcval ^ mask);
- } else {
- u16 srcval,mask;
- u16 *shiftreg;
-
- srcoffset = decode_rm00_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0xF;
- disp = (s16)*shiftreg >> 4;
- srcval = fetch_data_word(srcoffset+disp);
- mask = (u16)(0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- store_data_word(srcoffset+disp, (u16)(srcval ^ mask));
- }
- break;
- case 1:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval,mask;
- u32 *shiftreg;
-
- srcoffset = decode_rm01_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0x1F;
- disp = (s16)*shiftreg >> 5;
- srcval = fetch_data_long(srcoffset+disp);
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- store_data_long(srcoffset+disp, srcval ^ mask);
- } else {
- u16 srcval,mask;
- u16 *shiftreg;
-
- srcoffset = decode_rm01_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0xF;
- disp = (s16)*shiftreg >> 4;
- srcval = fetch_data_word(srcoffset+disp);
- mask = (u16)(0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- store_data_word(srcoffset+disp, (u16)(srcval ^ mask));
- }
- break;
- case 2:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval,mask;
- u32 *shiftreg;
-
- srcoffset = decode_rm10_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0x1F;
- disp = (s16)*shiftreg >> 5;
- srcval = fetch_data_long(srcoffset+disp);
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- store_data_long(srcoffset+disp, srcval ^ mask);
- } else {
- u16 srcval,mask;
- u16 *shiftreg;
-
- srcoffset = decode_rm10_address(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0xF;
- disp = (s16)*shiftreg >> 4;
- srcval = fetch_data_word(srcoffset+disp);
- mask = (u16)(0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- store_data_word(srcoffset+disp, (u16)(srcval ^ mask));
- }
- break;
- case 3: /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *srcreg,*shiftreg;
- u32 mask;
-
- srcreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0x1F;
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(*srcreg & mask,F_CF);
- *srcreg ^= mask;
- } else {
- u16 *srcreg,*shiftreg;
- u16 mask;
-
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0xF;
- mask = (u16)(0x1 << bit);
- CONDITIONAL_SET_FLAG(*srcreg & mask,F_CF);
- *srcreg ^= mask;
- }
- break;
- }
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR();
-}
-
-/****************************************************************************
-REMARKS:
-Handles opcode 0x0f,0xbc
-****************************************************************************/
-static void x86emuOp2_bsf(u8 X86EMU_UNUSED(op2))
-{
- int mod, rl, rh;
- uint srcoffset;
-
- START_OF_INSTR();
- DECODE_PRINTF("BSF\n");
- FETCH_DECODE_MODRM(mod, rh, rl);
- switch(mod) {
- case 0:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval, *dstreg;
-
- srcoffset = decode_rm00_address(rl);
- DECODE_PRINTF(",");
- dstreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- srcval = fetch_data_long(srcoffset);
- CONDITIONAL_SET_FLAG(srcval == 0, F_ZF);
- for(*dstreg = 0; *dstreg < 32; (*dstreg)++)
- if ((srcval >> *dstreg) & 1) break;
- } else {
- u16 srcval, *dstreg;
-
- srcoffset = decode_rm00_address(rl);
- DECODE_PRINTF(",");
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- srcval = fetch_data_word(srcoffset);
- CONDITIONAL_SET_FLAG(srcval == 0, F_ZF);
- for(*dstreg = 0; *dstreg < 16; (*dstreg)++)
- if ((srcval >> *dstreg) & 1) break;
- }
- break;
- case 1:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval, *dstreg;
-
- srcoffset = decode_rm01_address(rl);
- DECODE_PRINTF(",");
- dstreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- srcval = fetch_data_long(srcoffset);
- CONDITIONAL_SET_FLAG(srcval == 0, F_ZF);
- for(*dstreg = 0; *dstreg < 32; (*dstreg)++)
- if ((srcval >> *dstreg) & 1) break;
- } else {
- u16 srcval, *dstreg;
-
- srcoffset = decode_rm01_address(rl);
- DECODE_PRINTF(",");
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- srcval = fetch_data_word(srcoffset);
- CONDITIONAL_SET_FLAG(srcval == 0, F_ZF);
- for(*dstreg = 0; *dstreg < 16; (*dstreg)++)
- if ((srcval >> *dstreg) & 1) break;
- }
- break;
- case 2:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval, *dstreg;
-
- srcoffset = decode_rm10_address(rl);
- DECODE_PRINTF(",");
- dstreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- srcval = fetch_data_long(srcoffset);
- CONDITIONAL_SET_FLAG(srcval == 0, F_ZF);
- for(*dstreg = 0; *dstreg < 32; (*dstreg)++)
- if ((srcval >> *dstreg) & 1) break;
- } else {
- u16 srcval, *dstreg;
-
- srcoffset = decode_rm10_address(rl);
- DECODE_PRINTF(",");
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- srcval = fetch_data_word(srcoffset);
- CONDITIONAL_SET_FLAG(srcval == 0, F_ZF);
- for(*dstreg = 0; *dstreg < 16; (*dstreg)++)
- if ((srcval >> *dstreg) & 1) break;
- }
- break;
- case 3: /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *srcreg, *dstreg;
-
- srcreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- dstreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- CONDITIONAL_SET_FLAG(*srcreg == 0, F_ZF);
- for(*dstreg = 0; *dstreg < 32; (*dstreg)++)
- if ((*srcreg >> *dstreg) & 1) break;
- } else {
- u16 *srcreg, *dstreg;
-
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- CONDITIONAL_SET_FLAG(*srcreg == 0, F_ZF);
- for(*dstreg = 0; *dstreg < 16; (*dstreg)++)
- if ((*srcreg >> *dstreg) & 1) break;
- }
- break;
- }
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR();
-}
-
-/****************************************************************************
-REMARKS:
-Handles opcode 0x0f,0xbd
-****************************************************************************/
-static void x86emuOp2_bsr(u8 X86EMU_UNUSED(op2))
-{
- int mod, rl, rh;
- uint srcoffset;
-
- START_OF_INSTR();
- DECODE_PRINTF("BSF\n");
- FETCH_DECODE_MODRM(mod, rh, rl);
- switch(mod) {
- case 0:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval, *dstreg;
-
- srcoffset = decode_rm00_address(rl);
- DECODE_PRINTF(",");
- dstreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- srcval = fetch_data_long(srcoffset);
- CONDITIONAL_SET_FLAG(srcval == 0, F_ZF);
- for(*dstreg = 31; *dstreg > 0; (*dstreg)--)
- if ((srcval >> *dstreg) & 1) break;
- } else {
- u16 srcval, *dstreg;
-
- srcoffset = decode_rm00_address(rl);
- DECODE_PRINTF(",");
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- srcval = fetch_data_word(srcoffset);
- CONDITIONAL_SET_FLAG(srcval == 0, F_ZF);
- for(*dstreg = 15; *dstreg > 0; (*dstreg)--)
- if ((srcval >> *dstreg) & 1) break;
- }
- break;
- case 1:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval, *dstreg;
-
- srcoffset = decode_rm01_address(rl);
- DECODE_PRINTF(",");
- dstreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- srcval = fetch_data_long(srcoffset);
- CONDITIONAL_SET_FLAG(srcval == 0, F_ZF);
- for(*dstreg = 31; *dstreg > 0; (*dstreg)--)
- if ((srcval >> *dstreg) & 1) break;
- } else {
- u16 srcval, *dstreg;
-
- srcoffset = decode_rm01_address(rl);
- DECODE_PRINTF(",");
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- srcval = fetch_data_word(srcoffset);
- CONDITIONAL_SET_FLAG(srcval == 0, F_ZF);
- for(*dstreg = 15; *dstreg > 0; (*dstreg)--)
- if ((srcval >> *dstreg) & 1) break;
- }
- break;
- case 2:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval, *dstreg;
-
- srcoffset = decode_rm10_address(rl);
- DECODE_PRINTF(",");
- dstreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- srcval = fetch_data_long(srcoffset);
- CONDITIONAL_SET_FLAG(srcval == 0, F_ZF);
- for(*dstreg = 31; *dstreg > 0; (*dstreg)--)
- if ((srcval >> *dstreg) & 1) break;
- } else {
- u16 srcval, *dstreg;
-
- srcoffset = decode_rm10_address(rl);
- DECODE_PRINTF(",");
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- srcval = fetch_data_word(srcoffset);
- CONDITIONAL_SET_FLAG(srcval == 0, F_ZF);
- for(*dstreg = 15; *dstreg > 0; (*dstreg)--)
- if ((srcval >> *dstreg) & 1) break;
- }
- break;
- case 3: /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *srcreg, *dstreg;
-
- srcreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- dstreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- CONDITIONAL_SET_FLAG(*srcreg == 0, F_ZF);
- for(*dstreg = 31; *dstreg > 0; (*dstreg)--)
- if ((*srcreg >> *dstreg) & 1) break;
- } else {
- u16 *srcreg, *dstreg;
-
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- CONDITIONAL_SET_FLAG(*srcreg == 0, F_ZF);
- for(*dstreg = 15; *dstreg > 0; (*dstreg)--)
- if ((*srcreg >> *dstreg) & 1) break;
- }
- break;
- }
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR();
-}
-
-/****************************************************************************
-REMARKS:
-Handles opcode 0x0f,0xbe
-****************************************************************************/
-static void x86emuOp2_movsx_byte_R_RM(u8 X86EMU_UNUSED(op2))
-{
- int mod, rl, rh;
- uint srcoffset;
-
- START_OF_INSTR();
- DECODE_PRINTF("MOVSX\t");
- FETCH_DECODE_MODRM(mod, rh, rl);
- switch (mod) {
- case 0:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u32 srcval;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm00_address(rl);
- srcval = (s32)((s8)fetch_data_byte(srcoffset));
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- } else {
- u16 *destreg;
- u16 srcval;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm00_address(rl);
- srcval = (s16)((s8)fetch_data_byte(srcoffset));
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- }
- break;
- case 1:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u32 srcval;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm01_address(rl);
- srcval = (s32)((s8)fetch_data_byte(srcoffset));
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- } else {
- u16 *destreg;
- u16 srcval;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm01_address(rl);
- srcval = (s16)((s8)fetch_data_byte(srcoffset));
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- }
- break;
- case 2:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u32 srcval;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm10_address(rl);
- srcval = (s32)((s8)fetch_data_byte(srcoffset));
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- } else {
- u16 *destreg;
- u16 srcval;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm10_address(rl);
- srcval = (s16)((s8)fetch_data_byte(srcoffset));
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- }
- break;
- case 3: /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u8 *srcreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_BYTE_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = (s32)((s8)*srcreg);
- } else {
- u16 *destreg;
- u8 *srcreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_BYTE_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = (s16)((s8)*srcreg);
- }
- break;
- }
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR();
-}
-
-/****************************************************************************
-REMARKS:
-Handles opcode 0x0f,0xbf
-****************************************************************************/
-static void x86emuOp2_movsx_word_R_RM(u8 X86EMU_UNUSED(op2))
-{
- int mod, rl, rh;
- uint srcoffset;
- u32 *destreg;
- u32 srcval;
- u16 *srcreg;
-
- START_OF_INSTR();
- DECODE_PRINTF("MOVSX\t");
- FETCH_DECODE_MODRM(mod, rh, rl);
- switch (mod) {
- case 0:
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm00_address(rl);
- srcval = (s32)((s16)fetch_data_word(srcoffset));
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- break;
- case 1:
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm01_address(rl);
- srcval = (s32)((s16)fetch_data_word(srcoffset));
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- break;
- case 2:
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rm10_address(rl);
- srcval = (s32)((s16)fetch_data_word(srcoffset));
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- break;
- case 3: /* register to register */
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = (s32)((s16)*srcreg);
- break;
- }
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR();
-}
-
-/***************************************************************************
- * Double byte operation code table:
- **************************************************************************/
-void (*x86emu_optab2[256])(u8) =
-{
-/* 0x00 */ x86emuOp2_illegal_op, /* Group F (ring 0 PM) */
-/* 0x01 */ x86emuOp2_illegal_op, /* Group G (ring 0 PM) */
-/* 0x02 */ x86emuOp2_illegal_op, /* lar (ring 0 PM) */
-/* 0x03 */ x86emuOp2_illegal_op, /* lsl (ring 0 PM) */
-/* 0x04 */ x86emuOp2_illegal_op,
-/* 0x05 */ x86emuOp2_illegal_op, /* loadall (undocumented) */
-/* 0x06 */ x86emuOp2_illegal_op, /* clts (ring 0 PM) */
-/* 0x07 */ x86emuOp2_illegal_op, /* loadall (undocumented) */
-/* 0x08 */ x86emuOp2_illegal_op, /* invd (ring 0 PM) */
-/* 0x09 */ x86emuOp2_illegal_op, /* wbinvd (ring 0 PM) */
-/* 0x0a */ x86emuOp2_illegal_op,
-/* 0x0b */ x86emuOp2_illegal_op,
-/* 0x0c */ x86emuOp2_illegal_op,
-/* 0x0d */ x86emuOp2_illegal_op,
-/* 0x0e */ x86emuOp2_illegal_op,
-/* 0x0f */ x86emuOp2_illegal_op,
-
-/* 0x10 */ x86emuOp2_illegal_op,
-/* 0x11 */ x86emuOp2_illegal_op,
-/* 0x12 */ x86emuOp2_illegal_op,
-/* 0x13 */ x86emuOp2_illegal_op,
-/* 0x14 */ x86emuOp2_illegal_op,
-/* 0x15 */ x86emuOp2_illegal_op,
-/* 0x16 */ x86emuOp2_illegal_op,
-/* 0x17 */ x86emuOp2_illegal_op,
-/* 0x18 */ x86emuOp2_illegal_op,
-/* 0x19 */ x86emuOp2_illegal_op,
-/* 0x1a */ x86emuOp2_illegal_op,
-/* 0x1b */ x86emuOp2_illegal_op,
-/* 0x1c */ x86emuOp2_illegal_op,
-/* 0x1d */ x86emuOp2_illegal_op,
-/* 0x1e */ x86emuOp2_illegal_op,
-/* 0x1f */ x86emuOp2_illegal_op,
-
-/* 0x20 */ x86emuOp2_illegal_op, /* mov reg32,creg (ring 0 PM) */
-/* 0x21 */ x86emuOp2_illegal_op, /* mov reg32,dreg (ring 0 PM) */
-/* 0x22 */ x86emuOp2_illegal_op, /* mov creg,reg32 (ring 0 PM) */
-/* 0x23 */ x86emuOp2_illegal_op, /* mov dreg,reg32 (ring 0 PM) */
-/* 0x24 */ x86emuOp2_illegal_op, /* mov reg32,treg (ring 0 PM) */
-/* 0x25 */ x86emuOp2_illegal_op,
-/* 0x26 */ x86emuOp2_illegal_op, /* mov treg,reg32 (ring 0 PM) */
-/* 0x27 */ x86emuOp2_illegal_op,
-/* 0x28 */ x86emuOp2_illegal_op,
-/* 0x29 */ x86emuOp2_illegal_op,
-/* 0x2a */ x86emuOp2_illegal_op,
-/* 0x2b */ x86emuOp2_illegal_op,
-/* 0x2c */ x86emuOp2_illegal_op,
-/* 0x2d */ x86emuOp2_illegal_op,
-/* 0x2e */ x86emuOp2_illegal_op,
-/* 0x2f */ x86emuOp2_illegal_op,
-
-/* 0x30 */ x86emuOp2_illegal_op,
-/* 0x31 */ x86emuOp2_illegal_op,
-/* 0x32 */ x86emuOp2_illegal_op,
-/* 0x33 */ x86emuOp2_illegal_op,
-/* 0x34 */ x86emuOp2_illegal_op,
-/* 0x35 */ x86emuOp2_illegal_op,
-/* 0x36 */ x86emuOp2_illegal_op,
-/* 0x37 */ x86emuOp2_illegal_op,
-/* 0x38 */ x86emuOp2_illegal_op,
-/* 0x39 */ x86emuOp2_illegal_op,
-/* 0x3a */ x86emuOp2_illegal_op,
-/* 0x3b */ x86emuOp2_illegal_op,
-/* 0x3c */ x86emuOp2_illegal_op,
-/* 0x3d */ x86emuOp2_illegal_op,
-/* 0x3e */ x86emuOp2_illegal_op,
-/* 0x3f */ x86emuOp2_illegal_op,
-
-/* 0x40 */ x86emuOp2_illegal_op,
-/* 0x41 */ x86emuOp2_illegal_op,
-/* 0x42 */ x86emuOp2_illegal_op,
-/* 0x43 */ x86emuOp2_illegal_op,
-/* 0x44 */ x86emuOp2_illegal_op,
-/* 0x45 */ x86emuOp2_illegal_op,
-/* 0x46 */ x86emuOp2_illegal_op,
-/* 0x47 */ x86emuOp2_illegal_op,
-/* 0x48 */ x86emuOp2_illegal_op,
-/* 0x49 */ x86emuOp2_illegal_op,
-/* 0x4a */ x86emuOp2_illegal_op,
-/* 0x4b */ x86emuOp2_illegal_op,
-/* 0x4c */ x86emuOp2_illegal_op,
-/* 0x4d */ x86emuOp2_illegal_op,
-/* 0x4e */ x86emuOp2_illegal_op,
-/* 0x4f */ x86emuOp2_illegal_op,
-
-/* 0x50 */ x86emuOp2_illegal_op,
-/* 0x51 */ x86emuOp2_illegal_op,
-/* 0x52 */ x86emuOp2_illegal_op,
-/* 0x53 */ x86emuOp2_illegal_op,
-/* 0x54 */ x86emuOp2_illegal_op,
-/* 0x55 */ x86emuOp2_illegal_op,
-/* 0x56 */ x86emuOp2_illegal_op,
-/* 0x57 */ x86emuOp2_illegal_op,
-/* 0x58 */ x86emuOp2_illegal_op,
-/* 0x59 */ x86emuOp2_illegal_op,
-/* 0x5a */ x86emuOp2_illegal_op,
-/* 0x5b */ x86emuOp2_illegal_op,
-/* 0x5c */ x86emuOp2_illegal_op,
-/* 0x5d */ x86emuOp2_illegal_op,
-/* 0x5e */ x86emuOp2_illegal_op,
-/* 0x5f */ x86emuOp2_illegal_op,
-
-/* 0x60 */ x86emuOp2_illegal_op,
-/* 0x61 */ x86emuOp2_illegal_op,
-/* 0x62 */ x86emuOp2_illegal_op,
-/* 0x63 */ x86emuOp2_illegal_op,
-/* 0x64 */ x86emuOp2_illegal_op,
-/* 0x65 */ x86emuOp2_illegal_op,
-/* 0x66 */ x86emuOp2_illegal_op,
-/* 0x67 */ x86emuOp2_illegal_op,
-/* 0x68 */ x86emuOp2_illegal_op,
-/* 0x69 */ x86emuOp2_illegal_op,
-/* 0x6a */ x86emuOp2_illegal_op,
-/* 0x6b */ x86emuOp2_illegal_op,
-/* 0x6c */ x86emuOp2_illegal_op,
-/* 0x6d */ x86emuOp2_illegal_op,
-/* 0x6e */ x86emuOp2_illegal_op,
-/* 0x6f */ x86emuOp2_illegal_op,
-
-/* 0x70 */ x86emuOp2_illegal_op,
-/* 0x71 */ x86emuOp2_illegal_op,
-/* 0x72 */ x86emuOp2_illegal_op,
-/* 0x73 */ x86emuOp2_illegal_op,
-/* 0x74 */ x86emuOp2_illegal_op,
-/* 0x75 */ x86emuOp2_illegal_op,
-/* 0x76 */ x86emuOp2_illegal_op,
-/* 0x77 */ x86emuOp2_illegal_op,
-/* 0x78 */ x86emuOp2_illegal_op,
-/* 0x79 */ x86emuOp2_illegal_op,
-/* 0x7a */ x86emuOp2_illegal_op,
-/* 0x7b */ x86emuOp2_illegal_op,
-/* 0x7c */ x86emuOp2_illegal_op,
-/* 0x7d */ x86emuOp2_illegal_op,
-/* 0x7e */ x86emuOp2_illegal_op,
-/* 0x7f */ x86emuOp2_illegal_op,
-
-/* 0x80 */ x86emuOp2_long_jump,
-/* 0x81 */ x86emuOp2_long_jump,
-/* 0x82 */ x86emuOp2_long_jump,
-/* 0x83 */ x86emuOp2_long_jump,
-/* 0x84 */ x86emuOp2_long_jump,
-/* 0x85 */ x86emuOp2_long_jump,
-/* 0x86 */ x86emuOp2_long_jump,
-/* 0x87 */ x86emuOp2_long_jump,
-/* 0x88 */ x86emuOp2_long_jump,
-/* 0x89 */ x86emuOp2_long_jump,
-/* 0x8a */ x86emuOp2_long_jump,
-/* 0x8b */ x86emuOp2_long_jump,
-/* 0x8c */ x86emuOp2_long_jump,
-/* 0x8d */ x86emuOp2_long_jump,
-/* 0x8e */ x86emuOp2_long_jump,
-/* 0x8f */ x86emuOp2_long_jump,
-
-/* 0x90 */ x86emuOp2_set_byte,
-/* 0x91 */ x86emuOp2_set_byte,
-/* 0x92 */ x86emuOp2_set_byte,
-/* 0x93 */ x86emuOp2_set_byte,
-/* 0x94 */ x86emuOp2_set_byte,
-/* 0x95 */ x86emuOp2_set_byte,
-/* 0x96 */ x86emuOp2_set_byte,
-/* 0x97 */ x86emuOp2_set_byte,
-/* 0x98 */ x86emuOp2_set_byte,
-/* 0x99 */ x86emuOp2_set_byte,
-/* 0x9a */ x86emuOp2_set_byte,
-/* 0x9b */ x86emuOp2_set_byte,
-/* 0x9c */ x86emuOp2_set_byte,
-/* 0x9d */ x86emuOp2_set_byte,
-/* 0x9e */ x86emuOp2_set_byte,
-/* 0x9f */ x86emuOp2_set_byte,
-
-/* 0xa0 */ x86emuOp2_push_FS,
-/* 0xa1 */ x86emuOp2_pop_FS,
-/* 0xa2 */ x86emuOp2_illegal_op,
-/* 0xa3 */ x86emuOp2_bt_R,
-/* 0xa4 */ x86emuOp2_shld_IMM,
-/* 0xa5 */ x86emuOp2_shld_CL,
-/* 0xa6 */ x86emuOp2_illegal_op,
-/* 0xa7 */ x86emuOp2_illegal_op,
-/* 0xa8 */ x86emuOp2_push_GS,
-/* 0xa9 */ x86emuOp2_pop_GS,
-/* 0xaa */ x86emuOp2_illegal_op,
-/* 0xab */ x86emuOp2_bt_R,
-/* 0xac */ x86emuOp2_shrd_IMM,
-/* 0xad */ x86emuOp2_shrd_CL,
-/* 0xae */ x86emuOp2_illegal_op,
-/* 0xaf */ x86emuOp2_imul_R_RM,
-
-/* 0xb0 */ x86emuOp2_illegal_op, /* TODO: cmpxchg */
-/* 0xb1 */ x86emuOp2_illegal_op, /* TODO: cmpxchg */
-/* 0xb2 */ x86emuOp2_lss_R_IMM,
-/* 0xb3 */ x86emuOp2_btr_R,
-/* 0xb4 */ x86emuOp2_lfs_R_IMM,
-/* 0xb5 */ x86emuOp2_lgs_R_IMM,
-/* 0xb6 */ x86emuOp2_movzx_byte_R_RM,
-/* 0xb7 */ x86emuOp2_movzx_word_R_RM,
-/* 0xb8 */ x86emuOp2_illegal_op,
-/* 0xb9 */ x86emuOp2_illegal_op,
-/* 0xba */ x86emuOp2_btX_I,
-/* 0xbb */ x86emuOp2_btc_R,
-/* 0xbc */ x86emuOp2_bsf,
-/* 0xbd */ x86emuOp2_bsr,
-/* 0xbe */ x86emuOp2_movsx_byte_R_RM,
-/* 0xbf */ x86emuOp2_movsx_word_R_RM,
-
-/* 0xc0 */ x86emuOp2_illegal_op, /* TODO: xadd */
-/* 0xc1 */ x86emuOp2_illegal_op, /* TODO: xadd */
-/* 0xc2 */ x86emuOp2_illegal_op,
-/* 0xc3 */ x86emuOp2_illegal_op,
-/* 0xc4 */ x86emuOp2_illegal_op,
-/* 0xc5 */ x86emuOp2_illegal_op,
-/* 0xc6 */ x86emuOp2_illegal_op,
-/* 0xc7 */ x86emuOp2_illegal_op,
-/* 0xc8 */ x86emuOp2_illegal_op, /* TODO: bswap */
-/* 0xc9 */ x86emuOp2_illegal_op, /* TODO: bswap */
-/* 0xca */ x86emuOp2_illegal_op, /* TODO: bswap */
-/* 0xcb */ x86emuOp2_illegal_op, /* TODO: bswap */
-/* 0xcc */ x86emuOp2_illegal_op, /* TODO: bswap */
-/* 0xcd */ x86emuOp2_illegal_op, /* TODO: bswap */
-/* 0xce */ x86emuOp2_illegal_op, /* TODO: bswap */
-/* 0xcf */ x86emuOp2_illegal_op, /* TODO: bswap */
-
-/* 0xd0 */ x86emuOp2_illegal_op,
-/* 0xd1 */ x86emuOp2_illegal_op,
-/* 0xd2 */ x86emuOp2_illegal_op,
-/* 0xd3 */ x86emuOp2_illegal_op,
-/* 0xd4 */ x86emuOp2_illegal_op,
-/* 0xd5 */ x86emuOp2_illegal_op,
-/* 0xd6 */ x86emuOp2_illegal_op,
-/* 0xd7 */ x86emuOp2_illegal_op,
-/* 0xd8 */ x86emuOp2_illegal_op,
-/* 0xd9 */ x86emuOp2_illegal_op,
-/* 0xda */ x86emuOp2_illegal_op,
-/* 0xdb */ x86emuOp2_illegal_op,
-/* 0xdc */ x86emuOp2_illegal_op,
-/* 0xdd */ x86emuOp2_illegal_op,
-/* 0xde */ x86emuOp2_illegal_op,
-/* 0xdf */ x86emuOp2_illegal_op,
-
-/* 0xe0 */ x86emuOp2_illegal_op,
-/* 0xe1 */ x86emuOp2_illegal_op,
-/* 0xe2 */ x86emuOp2_illegal_op,
-/* 0xe3 */ x86emuOp2_illegal_op,
-/* 0xe4 */ x86emuOp2_illegal_op,
-/* 0xe5 */ x86emuOp2_illegal_op,
-/* 0xe6 */ x86emuOp2_illegal_op,
-/* 0xe7 */ x86emuOp2_illegal_op,
-/* 0xe8 */ x86emuOp2_illegal_op,
-/* 0xe9 */ x86emuOp2_illegal_op,
-/* 0xea */ x86emuOp2_illegal_op,
-/* 0xeb */ x86emuOp2_illegal_op,
-/* 0xec */ x86emuOp2_illegal_op,
-/* 0xed */ x86emuOp2_illegal_op,
-/* 0xee */ x86emuOp2_illegal_op,
-/* 0xef */ x86emuOp2_illegal_op,
-
-/* 0xf0 */ x86emuOp2_illegal_op,
-/* 0xf1 */ x86emuOp2_illegal_op,
-/* 0xf2 */ x86emuOp2_illegal_op,
-/* 0xf3 */ x86emuOp2_illegal_op,
-/* 0xf4 */ x86emuOp2_illegal_op,
-/* 0xf5 */ x86emuOp2_illegal_op,
-/* 0xf6 */ x86emuOp2_illegal_op,
-/* 0xf7 */ x86emuOp2_illegal_op,
-/* 0xf8 */ x86emuOp2_illegal_op,
-/* 0xf9 */ x86emuOp2_illegal_op,
-/* 0xfa */ x86emuOp2_illegal_op,
-/* 0xfb */ x86emuOp2_illegal_op,
-/* 0xfc */ x86emuOp2_illegal_op,
-/* 0xfd */ x86emuOp2_illegal_op,
-/* 0xfe */ x86emuOp2_illegal_op,
-/* 0xff */ x86emuOp2_illegal_op,
-};