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authorWolfgang Denk <wd@denx.de>2007-08-06 02:17:36 +0200
committerWolfgang Denk <wd@denx.de>2007-08-06 02:17:36 +0200
commit9c7e4b06214db61bb21f1bcbe57c97519669baae (patch)
tree699504f6b803a5413e9baeb8e27c29c0937ed797 /drivers/bios_emulator/x86emu/ops.c
parent221838cc7eb178370ff62aa05920a582e12ac322 (diff)
downloadblackbird-obmc-uboot-9c7e4b06214db61bb21f1bcbe57c97519669baae.tar.gz
blackbird-obmc-uboot-9c7e4b06214db61bb21f1bcbe57c97519669baae.zip
Coding style cleanup. Update CHANGELOG.
Signed-off-by: Wolfgang Denk <wd@denx.de>
Diffstat (limited to 'drivers/bios_emulator/x86emu/ops.c')
-rw-r--r--drivers/bios_emulator/x86emu/ops.c4610
1 files changed, 2305 insertions, 2305 deletions
diff --git a/drivers/bios_emulator/x86emu/ops.c b/drivers/bios_emulator/x86emu/ops.c
index 632979dd57..d1380ceec0 100644
--- a/drivers/bios_emulator/x86emu/ops.c
+++ b/drivers/bios_emulator/x86emu/ops.c
@@ -4,9 +4,9 @@
* Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved.
* Jason Jin <Jason.jin@freescale.com>
*
-* Copyright (C) 1991-2004 SciTech Software, Inc.
-* Copyright (C) David Mosberger-Tang
-* Copyright (C) 1999 Egbert Eich
+* Copyright (C) 1991-2004 SciTech Software, Inc.
+* Copyright (C) David Mosberger-Tang
+* Copyright (C) 1999 Egbert Eich
*
* ========================================================================
*
@@ -16,7 +16,7 @@
* 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
+* 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.
*
@@ -32,13 +32,13 @@
*
* Language: ANSI C
* Environment: Any
-* Developer: Kendall Bennett
+* Developer: Kendall Bennett
*
-* Description: This file includes subroutines to implement the decoding
-* and emulation of all the x86 processor instructions.
+* Description: This file includes subroutines to implement the decoding
+* and emulation of all the x86 processor instructions.
*
* There are approximately 250 subroutines in here, which correspond
-* to the 256 byte-"opcodes" found on the 8086. The table which
+* to the 256 byte-"opcodes" found on the 8086. The table which
* dispatches this is found in the files optab.[ch].
*
* Each opcode proc has a comment preceeding it which gives it's table
@@ -48,14 +48,14 @@
* DECODE_PRINTF2), debugging (TRACE_REGS, SINGLE_STEP), and misc
* functions (START_OF_INSTR, END_OF_INSTR).
*
-* Many of the procedures are *VERY* similar in coding. This has
+* Many of the procedures are *VERY* similar in coding. This has
* allowed for a very large amount of code to be generated in a fairly
* short amount of time (i.e. cut, paste, and modify). The result is
* that much of the code below could have been folded into subroutines
* for a large reduction in size of this file. The downside would be
* that there would be a penalty in execution speed. The file could
* also have been *MUCH* larger by inlining certain functions which
-* were called. This could have resulted even faster execution. The
+* were called. This could have resulted even faster execution. The
* prime directive I used to decide whether to inline the code or to
* modularize it, was basically: 1) no unnecessary subroutine calls,
* 2) no routines more than about 200 lines in size, and 3) modularize
@@ -88,38 +88,38 @@ static char *x86emu_GenOpName[8] = {
/* used by several opcodes */
static u8 (*genop_byte_operation[])(u8 d, u8 s) __attribute__ ((section(".got2"))) =
{
- add_byte, /* 00 */
- or_byte, /* 01 */
- adc_byte, /* 02 */
- sbb_byte, /* 03 */
- and_byte, /* 04 */
- sub_byte, /* 05 */
- xor_byte, /* 06 */
- cmp_byte, /* 07 */
+ add_byte, /* 00 */
+ or_byte, /* 01 */
+ adc_byte, /* 02 */
+ sbb_byte, /* 03 */
+ and_byte, /* 04 */
+ sub_byte, /* 05 */
+ xor_byte, /* 06 */
+ cmp_byte, /* 07 */
};
static u16 (*genop_word_operation[])(u16 d, u16 s) __attribute__ ((section(".got2"))) =
{
- add_word, /*00 */
- or_word, /*01 */
- adc_word, /*02 */
- sbb_word, /*03 */
- and_word, /*04 */
- sub_word, /*05 */
- xor_word, /*06 */
- cmp_word, /*07 */
+ add_word, /*00 */
+ or_word, /*01 */
+ adc_word, /*02 */
+ sbb_word, /*03 */
+ and_word, /*04 */
+ sub_word, /*05 */
+ xor_word, /*06 */
+ cmp_word, /*07 */
};
static u32 (*genop_long_operation[])(u32 d, u32 s) __attribute__ ((section(".got2"))) =
{
- add_long, /*00 */
- or_long, /*01 */
- adc_long, /*02 */
- sbb_long, /*03 */
- and_long, /*04 */
- sub_long, /*05 */
- xor_long, /*06 */
- cmp_long, /*07 */
+ add_long, /*00 */
+ or_long, /*01 */
+ adc_long, /*02 */
+ sbb_long, /*03 */
+ and_long, /*04 */
+ sub_long, /*05 */
+ xor_long, /*06 */
+ cmp_long, /*07 */
};
/* used by opcodes 80, c0, d0, and d2. */
@@ -131,7 +131,7 @@ static u8(*opcD0_byte_operation[])(u8 d, u8 s) __attribute__ ((section(".got2"))
rcr_byte,
shl_byte,
shr_byte,
- shl_byte, /* sal_byte === shl_byte by definition */
+ shl_byte, /* sal_byte === shl_byte by definition */
sar_byte,
};
@@ -144,7 +144,7 @@ static u16(*opcD1_word_operation[])(u16 s, u8 d) __attribute__ ((section(".got2"
rcr_word,
shl_word,
shr_word,
- shl_word, /* sal_byte === shl_byte by definition */
+ shl_word, /* sal_byte === shl_byte by definition */
sar_word,
};
@@ -157,7 +157,7 @@ static u32 (*opcD1_long_operation[])(u32 s, u8 d) __attribute__ ((section(".got2
rcr_long,
shl_long,
shr_long,
- shl_long, /* sal_byte === shl_byte by definition */
+ shl_long, /* sal_byte === shl_byte by definition */
sar_long,
};
@@ -180,21 +180,21 @@ void x86emuOp_illegal_op(
{
START_OF_INSTR();
if (M.x86.R_SP != 0) {
- DECODE_PRINTF("ILLEGAL X86 OPCODE\n");
- TRACE_REGS();
- DB( printk("%04x:%04x: %02X ILLEGAL X86 OPCODE!\n",
- M.x86.R_CS, M.x86.R_IP-1,op1));
- HALT_SYS();
- }
+ DECODE_PRINTF("ILLEGAL X86 OPCODE\n");
+ TRACE_REGS();
+ DB( printk("%04x:%04x: %02X ILLEGAL X86 OPCODE!\n",
+ M.x86.R_CS, M.x86.R_IP-1,op1));
+ HALT_SYS();
+ }
else {
- /* If we get here, it means the stack pointer is back to zero
- * so we are just returning from an emulator service call
- * so therte is no need to display an error message. We trap
- * the emulator with an 0xF1 opcode to finish the service
- * call.
- */
- X86EMU_halt_sys();
- }
+ /* If we get here, it means the stack pointer is back to zero
+ * so we are just returning from an emulator service call
+ * so therte is no need to display an error message. We trap
+ * the emulator with an 0xF1 opcode to finish the service
+ * call.
+ */
+ X86EMU_halt_sys();
+ }
END_OF_INSTR();
}
@@ -216,24 +216,24 @@ void x86emuOp_genop_byte_RM_R(u8 op1)
DECODE_PRINTF("\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if(mod<3)
- { destoffset = decode_rmXX_address(mod,rl);
- DECODE_PRINTF(",");
- destval = fetch_data_byte(destoffset);
- srcreg = DECODE_RM_BYTE_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- destval = genop_byte_operation[op1](destval, *srcreg);
- store_data_byte(destoffset, destval);
- }
+ { destoffset = decode_rmXX_address(mod,rl);
+ DECODE_PRINTF(",");
+ destval = fetch_data_byte(destoffset);
+ srcreg = DECODE_RM_BYTE_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ destval = genop_byte_operation[op1](destval, *srcreg);
+ store_data_byte(destoffset, destval);
+ }
else
- { /* register to register */
- destreg = DECODE_RM_BYTE_REGISTER(rl);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_BYTE_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = genop_byte_operation[op1](*destreg, *srcreg);
- }
+ { /* register to register */
+ destreg = DECODE_RM_BYTE_REGISTER(rl);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_BYTE_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = genop_byte_operation[op1](*destreg, *srcreg);
+ }
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
}
@@ -255,50 +255,50 @@ void x86emuOp_genop_word_RM_R(u8 op1)
FETCH_DECODE_MODRM(mod, rh, rl);
if(mod<3) {
- destoffset = decode_rmXX_address(mod,rl);
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
- u32 *srcreg;
-
- DECODE_PRINTF(",");
- destval = fetch_data_long(destoffset);
- srcreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- destval = genop_long_operation[op1](destval, *srcreg);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
- u16 *srcreg;
-
- DECODE_PRINTF(",");
- destval = fetch_data_word(destoffset);
- srcreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- destval = genop_word_operation[op1](destval, *srcreg);
- store_data_word(destoffset, destval);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg,*srcreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = genop_long_operation[op1](*destreg, *srcreg);
- } else {
- u16 *destreg,*srcreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = genop_word_operation[op1](*destreg, *srcreg);
- }
+ destoffset = decode_rmXX_address(mod,rl);
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval;
+ u32 *srcreg;
+
+ DECODE_PRINTF(",");
+ destval = fetch_data_long(destoffset);
+ srcreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ destval = genop_long_operation[op1](destval, *srcreg);
+ store_data_long(destoffset, destval);
+ } else {
+ u16 destval;
+ u16 *srcreg;
+
+ DECODE_PRINTF(",");
+ destval = fetch_data_word(destoffset);
+ srcreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ destval = genop_word_operation[op1](destval, *srcreg);
+ store_data_word(destoffset, destval);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg,*srcreg;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = genop_long_operation[op1](*destreg, *srcreg);
+ } else {
+ u16 *destreg,*srcreg;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = genop_word_operation[op1](*destreg, *srcreg);
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -322,15 +322,15 @@ void x86emuOp_genop_byte_R_RM(u8 op1)
DECODE_PRINTF("\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- destreg = DECODE_RM_BYTE_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rmXX_address(mod,rl);
- srcval = fetch_data_byte(srcoffset);
- } else { /* register to register */
- destreg = DECODE_RM_BYTE_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_BYTE_REGISTER(rl);
- srcval = *srcreg;
+ destreg = DECODE_RM_BYTE_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcoffset = decode_rmXX_address(mod,rl);
+ srcval = fetch_data_byte(srcoffset);
+ } else { /* register to register */
+ destreg = DECODE_RM_BYTE_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_BYTE_REGISTER(rl);
+ srcval = *srcreg;
}
DECODE_PRINTF("\n");
TRACE_AND_STEP();
@@ -358,40 +358,40 @@ void x86emuOp_genop_word_R_RM(u8 op1)
DECODE_PRINTF("\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- srcoffset = decode_rmXX_address(mod,rl);
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- destreg32 = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcval = fetch_data_long(srcoffset);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg32 = genop_long_operation[op1](*destreg32, srcval);
- } else {
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcval = fetch_data_word(srcoffset);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = genop_word_operation[op1](*destreg, srcval);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *srcreg;
- destreg32 = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg32 = genop_long_operation[op1](*destreg32, *srcreg);
- } else {
- u16 *srcreg;
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = genop_word_operation[op1](*destreg, *srcreg);
- }
+ srcoffset = decode_rmXX_address(mod,rl);
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ destreg32 = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcval = fetch_data_long(srcoffset);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg32 = genop_long_operation[op1](*destreg32, srcval);
+ } else {
+ destreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcval = fetch_data_word(srcoffset);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = genop_word_operation[op1](*destreg, srcval);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *srcreg;
+ destreg32 = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg32 = genop_long_operation[op1](*destreg32, *srcreg);
+ } else {
+ u16 *srcreg;
+ destreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = genop_word_operation[op1](*destreg, *srcreg);
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -430,20 +430,20 @@ void x86emuOp_genop_word_AX_IMM(u8 op1)
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF(x86emu_GenOpName[op1]);
- DECODE_PRINTF("\tEAX,");
- srcval = fetch_long_imm();
+ DECODE_PRINTF(x86emu_GenOpName[op1]);
+ DECODE_PRINTF("\tEAX,");
+ srcval = fetch_long_imm();
} else {
- DECODE_PRINTF(x86emu_GenOpName[op1]);
- DECODE_PRINTF("\tAX,");
- srcval = fetch_word_imm();
+ DECODE_PRINTF(x86emu_GenOpName[op1]);
+ DECODE_PRINTF("\tAX,");
+ srcval = fetch_word_imm();
}
DECODE_PRINTF2("%x\n", srcval);
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- M.x86.R_EAX = genop_long_operation[op1](M.x86.R_EAX, srcval);
+ M.x86.R_EAX = genop_long_operation[op1](M.x86.R_EAX, srcval);
} else {
- M.x86.R_AX = genop_word_operation[op1](M.x86.R_AX, (u16)srcval);
+ M.x86.R_AX = genop_word_operation[op1](M.x86.R_AX, (u16)srcval);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -683,17 +683,17 @@ void x86emuOp_inc_register(u8 op1)
op1 &= 0x7;
DECODE_PRINTF("INC\t");
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *reg;
- reg = DECODE_RM_LONG_REGISTER(op1);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *reg = inc_long(*reg);
+ u32 *reg;
+ reg = DECODE_RM_LONG_REGISTER(op1);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *reg = inc_long(*reg);
} else {
- u16 *reg;
- reg = DECODE_RM_WORD_REGISTER(op1);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *reg = inc_word(*reg);
+ u16 *reg;
+ reg = DECODE_RM_WORD_REGISTER(op1);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *reg = inc_word(*reg);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -709,17 +709,17 @@ void x86emuOp_dec_register(u8 op1)
op1 &= 0x7;
DECODE_PRINTF("DEC\t");
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *reg;
- reg = DECODE_RM_LONG_REGISTER(op1);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *reg = dec_long(*reg);
+ u32 *reg;
+ reg = DECODE_RM_LONG_REGISTER(op1);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *reg = dec_long(*reg);
} else {
- u16 *reg;
- reg = DECODE_RM_WORD_REGISTER(op1);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *reg = dec_word(*reg);
+ u16 *reg;
+ reg = DECODE_RM_WORD_REGISTER(op1);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *reg = dec_word(*reg);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -735,17 +735,17 @@ void x86emuOp_push_register(u8 op1)
op1 &= 0x7;
DECODE_PRINTF("PUSH\t");
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *reg;
- reg = DECODE_RM_LONG_REGISTER(op1);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- push_long(*reg);
+ u32 *reg;
+ reg = DECODE_RM_LONG_REGISTER(op1);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ push_long(*reg);
} else {
- u16 *reg;
- reg = DECODE_RM_WORD_REGISTER(op1);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- push_word(*reg);
+ u16 *reg;
+ reg = DECODE_RM_WORD_REGISTER(op1);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ push_word(*reg);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -761,17 +761,17 @@ void x86emuOp_pop_register(u8 op1)
op1 &= 0x7;
DECODE_PRINTF("POP\t");
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *reg;
- reg = DECODE_RM_LONG_REGISTER(op1);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *reg = pop_long();
+ u32 *reg;
+ reg = DECODE_RM_LONG_REGISTER(op1);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *reg = pop_long();
} else {
- u16 *reg;
- reg = DECODE_RM_WORD_REGISTER(op1);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *reg = pop_word();
+ u16 *reg;
+ reg = DECODE_RM_WORD_REGISTER(op1);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *reg = pop_word();
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -785,33 +785,33 @@ void x86emuOp_push_all(u8 X86EMU_UNUSED(op1))
{
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("PUSHAD\n");
+ DECODE_PRINTF("PUSHAD\n");
} else {
- DECODE_PRINTF("PUSHA\n");
+ DECODE_PRINTF("PUSHA\n");
}
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 old_sp = M.x86.R_ESP;
-
- push_long(M.x86.R_EAX);
- push_long(M.x86.R_ECX);
- push_long(M.x86.R_EDX);
- push_long(M.x86.R_EBX);
- push_long(old_sp);
- push_long(M.x86.R_EBP);
- push_long(M.x86.R_ESI);
- push_long(M.x86.R_EDI);
+ u32 old_sp = M.x86.R_ESP;
+
+ push_long(M.x86.R_EAX);
+ push_long(M.x86.R_ECX);
+ push_long(M.x86.R_EDX);
+ push_long(M.x86.R_EBX);
+ push_long(old_sp);
+ push_long(M.x86.R_EBP);
+ push_long(M.x86.R_ESI);
+ push_long(M.x86.R_EDI);
} else {
- u16 old_sp = M.x86.R_SP;
-
- push_word(M.x86.R_AX);
- push_word(M.x86.R_CX);
- push_word(M.x86.R_DX);
- push_word(M.x86.R_BX);
- push_word(old_sp);
- push_word(M.x86.R_BP);
- push_word(M.x86.R_SI);
- push_word(M.x86.R_DI);
+ u16 old_sp = M.x86.R_SP;
+
+ push_word(M.x86.R_AX);
+ push_word(M.x86.R_CX);
+ push_word(M.x86.R_DX);
+ push_word(M.x86.R_BX);
+ push_word(old_sp);
+ push_word(M.x86.R_BP);
+ push_word(M.x86.R_SI);
+ push_word(M.x86.R_DI);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -825,36 +825,36 @@ void x86emuOp_pop_all(u8 X86EMU_UNUSED(op1))
{
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("POPAD\n");
+ DECODE_PRINTF("POPAD\n");
} else {
- DECODE_PRINTF("POPA\n");
+ DECODE_PRINTF("POPA\n");
}
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- M.x86.R_EDI = pop_long();
- M.x86.R_ESI = pop_long();
- M.x86.R_EBP = pop_long();
- M.x86.R_ESP += 4; /* skip ESP */
- M.x86.R_EBX = pop_long();
- M.x86.R_EDX = pop_long();
- M.x86.R_ECX = pop_long();
- M.x86.R_EAX = pop_long();
+ M.x86.R_EDI = pop_long();
+ M.x86.R_ESI = pop_long();
+ M.x86.R_EBP = pop_long();
+ M.x86.R_ESP += 4; /* skip ESP */
+ M.x86.R_EBX = pop_long();
+ M.x86.R_EDX = pop_long();
+ M.x86.R_ECX = pop_long();
+ M.x86.R_EAX = pop_long();
} else {
- M.x86.R_DI = pop_word();
- M.x86.R_SI = pop_word();
- M.x86.R_BP = pop_word();
- M.x86.R_SP += 2; /* skip SP */
- M.x86.R_BX = pop_word();
- M.x86.R_DX = pop_word();
- M.x86.R_CX = pop_word();
- M.x86.R_AX = pop_word();
+ M.x86.R_DI = pop_word();
+ M.x86.R_SI = pop_word();
+ M.x86.R_BP = pop_word();
+ M.x86.R_SP += 2; /* skip SP */
+ M.x86.R_BX = pop_word();
+ M.x86.R_DX = pop_word();
+ M.x86.R_CX = pop_word();
+ M.x86.R_AX = pop_word();
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
}
-/*opcode 0x62 ILLEGAL OP, calls x86emuOp_illegal_op() */
-/*opcode 0x63 ILLEGAL OP, calls x86emuOp_illegal_op() */
+/*opcode 0x62 ILLEGAL OP, calls x86emuOp_illegal_op() */
+/*opcode 0x63 ILLEGAL OP, calls x86emuOp_illegal_op() */
/****************************************************************************
REMARKS:
@@ -928,16 +928,16 @@ void x86emuOp_push_word_IMM(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- imm = fetch_long_imm();
+ imm = fetch_long_imm();
} else {
- imm = fetch_word_imm();
+ imm = fetch_word_imm();
}
DECODE_PRINTF2("PUSH\t%x\n", imm);
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- push_long(imm);
+ push_long(imm);
} else {
- push_word((u16)imm);
+ push_word((u16)imm);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -956,95 +956,95 @@ void x86emuOp_imul_word_IMM(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("IMUL\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- srcoffset = decode_rmXX_address(mod, rl);
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u32 srcval;
- u32 res_lo,res_hi;
- s32 imm;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcval = fetch_data_long(srcoffset);
- imm = fetch_long_imm();
- DECODE_PRINTF2(",%d\n", (s32)imm);
- TRACE_AND_STEP();
- imul_long_direct(&res_lo,&res_hi,(s32)srcval,(s32)imm);
- if ((((res_lo & 0x80000000) == 0) && (res_hi == 0x00000000)) ||
- (((res_lo & 0x80000000) != 0) && (res_hi == 0xFFFFFFFF))) {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- } else {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
- }
- *destreg = (u32)res_lo;
- } else {
- u16 *destreg;
- u16 srcval;
- u32 res;
- s16 imm;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcval = fetch_data_word(srcoffset);
- imm = fetch_word_imm();
- DECODE_PRINTF2(",%d\n", (s32)imm);
- TRACE_AND_STEP();
- res = (s16)srcval * (s16)imm;
- if ((((res & 0x8000) == 0) && ((res >> 16) == 0x0000)) ||
- (((res & 0x8000) != 0) && ((res >> 16) == 0xFFFF))) {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- } else {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
- }
- *destreg = (u16)res;
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg,*srcreg;
- u32 res_lo,res_hi;
- s32 imm;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_LONG_REGISTER(rl);
- imm = fetch_long_imm();
- DECODE_PRINTF2(",%d\n", (s32)imm);
- TRACE_AND_STEP();
- imul_long_direct(&res_lo,&res_hi,(s32)*srcreg,(s32)imm);
- if ((((res_lo & 0x80000000) == 0) && (res_hi == 0x00000000)) ||
- (((res_lo & 0x80000000) != 0) && (res_hi == 0xFFFFFFFF))) {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- } else {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
- }
- *destreg = (u32)res_lo;
- } else {
- u16 *destreg,*srcreg;
- u32 res;
- s16 imm;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- imm = fetch_word_imm();
- DECODE_PRINTF2(",%d\n", (s32)imm);
- res = (s16)*srcreg * (s16)imm;
- if ((((res & 0x8000) == 0) && ((res >> 16) == 0x0000)) ||
- (((res & 0x8000) != 0) && ((res >> 16) == 0xFFFF))) {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- } else {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
- }
- *destreg = (u16)res;
- }
+ srcoffset = decode_rmXX_address(mod, rl);
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+ u32 srcval;
+ u32 res_lo,res_hi;
+ s32 imm;
+
+ destreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcval = fetch_data_long(srcoffset);
+ imm = fetch_long_imm();
+ DECODE_PRINTF2(",%d\n", (s32)imm);
+ TRACE_AND_STEP();
+ imul_long_direct(&res_lo,&res_hi,(s32)srcval,(s32)imm);
+ if ((((res_lo & 0x80000000) == 0) && (res_hi == 0x00000000)) ||
+ (((res_lo & 0x80000000) != 0) && (res_hi == 0xFFFFFFFF))) {
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
+ } else {
+ SET_FLAG(F_CF);
+ SET_FLAG(F_OF);
+ }
+ *destreg = (u32)res_lo;
+ } else {
+ u16 *destreg;
+ u16 srcval;
+ u32 res;
+ s16 imm;
+
+ destreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcval = fetch_data_word(srcoffset);
+ imm = fetch_word_imm();
+ DECODE_PRINTF2(",%d\n", (s32)imm);
+ TRACE_AND_STEP();
+ res = (s16)srcval * (s16)imm;
+ if ((((res & 0x8000) == 0) && ((res >> 16) == 0x0000)) ||
+ (((res & 0x8000) != 0) && ((res >> 16) == 0xFFFF))) {
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
+ } else {
+ SET_FLAG(F_CF);
+ SET_FLAG(F_OF);
+ }
+ *destreg = (u16)res;
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg,*srcreg;
+ u32 res_lo,res_hi;
+ s32 imm;
+
+ destreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_LONG_REGISTER(rl);
+ imm = fetch_long_imm();
+ DECODE_PRINTF2(",%d\n", (s32)imm);
+ TRACE_AND_STEP();
+ imul_long_direct(&res_lo,&res_hi,(s32)*srcreg,(s32)imm);
+ if ((((res_lo & 0x80000000) == 0) && (res_hi == 0x00000000)) ||
+ (((res_lo & 0x80000000) != 0) && (res_hi == 0xFFFFFFFF))) {
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
+ } else {
+ SET_FLAG(F_CF);
+ SET_FLAG(F_OF);
+ }
+ *destreg = (u32)res_lo;
+ } else {
+ u16 *destreg,*srcreg;
+ u32 res;
+ s16 imm;
+
+ destreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_WORD_REGISTER(rl);
+ imm = fetch_word_imm();
+ DECODE_PRINTF2(",%d\n", (s32)imm);
+ res = (s16)*srcreg * (s16)imm;
+ if ((((res & 0x8000) == 0) && ((res >> 16) == 0x0000)) ||
+ (((res & 0x8000) != 0) && ((res >> 16) == 0xFFFF))) {
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
+ } else {
+ SET_FLAG(F_CF);
+ SET_FLAG(F_OF);
+ }
+ *destreg = (u16)res;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1075,98 +1075,98 @@ void x86emuOp_imul_byte_IMM(u8 X86EMU_UNUSED(op1))
{
int mod, rl, rh;
uint srcoffset;
- s8 imm;
+ s8 imm;
START_OF_INSTR();
DECODE_PRINTF("IMUL\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- srcoffset = decode_rmXX_address(mod, rl);
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u32 srcval;
- u32 res_lo,res_hi;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcval = fetch_data_long(srcoffset);
- imm = fetch_byte_imm();
- DECODE_PRINTF2(",%d\n", (s32)imm);
- TRACE_AND_STEP();
- imul_long_direct(&res_lo,&res_hi,(s32)srcval,(s32)imm);
- if ((((res_lo & 0x80000000) == 0) && (res_hi == 0x00000000)) ||
- (((res_lo & 0x80000000) != 0) && (res_hi == 0xFFFFFFFF))) {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- } else {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
- }
- *destreg = (u32)res_lo;
- } else {
- u16 *destreg;
- u16 srcval;
- u32 res;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcval = fetch_data_word(srcoffset);
- imm = fetch_byte_imm();
- DECODE_PRINTF2(",%d\n", (s32)imm);
- TRACE_AND_STEP();
- res = (s16)srcval * (s16)imm;
- if ((((res & 0x8000) == 0) && ((res >> 16) == 0x0000)) ||
- (((res & 0x8000) != 0) && ((res >> 16) == 0xFFFF))) {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- } else {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
- }
- *destreg = (u16)res;
- }
- } else { /* 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);
- imm = fetch_byte_imm();
- DECODE_PRINTF2(",%d\n", (s32)imm);
- TRACE_AND_STEP();
- imul_long_direct(&res_lo,&res_hi,(s32)*srcreg,(s32)imm);
- if ((((res_lo & 0x80000000) == 0) && (res_hi == 0x00000000)) ||
- (((res_lo & 0x80000000) != 0) && (res_hi == 0xFFFFFFFF))) {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- } else {
- SET_FLAG(F_CF);
- SET_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);
- imm = fetch_byte_imm();
- DECODE_PRINTF2(",%d\n", (s32)imm);
- TRACE_AND_STEP();
- res = (s16)*srcreg * (s16)imm;
- if ((((res & 0x8000) == 0) && ((res >> 16) == 0x0000)) ||
- (((res & 0x8000) != 0) && ((res >> 16) == 0xFFFF))) {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- } else {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
- }
- *destreg = (u16)res;
- }
+ srcoffset = decode_rmXX_address(mod, rl);
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+ u32 srcval;
+ u32 res_lo,res_hi;
+
+ destreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcval = fetch_data_long(srcoffset);
+ imm = fetch_byte_imm();
+ DECODE_PRINTF2(",%d\n", (s32)imm);
+ TRACE_AND_STEP();
+ imul_long_direct(&res_lo,&res_hi,(s32)srcval,(s32)imm);
+ if ((((res_lo & 0x80000000) == 0) && (res_hi == 0x00000000)) ||
+ (((res_lo & 0x80000000) != 0) && (res_hi == 0xFFFFFFFF))) {
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
+ } else {
+ SET_FLAG(F_CF);
+ SET_FLAG(F_OF);
+ }
+ *destreg = (u32)res_lo;
+ } else {
+ u16 *destreg;
+ u16 srcval;
+ u32 res;
+
+ destreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcval = fetch_data_word(srcoffset);
+ imm = fetch_byte_imm();
+ DECODE_PRINTF2(",%d\n", (s32)imm);
+ TRACE_AND_STEP();
+ res = (s16)srcval * (s16)imm;
+ if ((((res & 0x8000) == 0) && ((res >> 16) == 0x0000)) ||
+ (((res & 0x8000) != 0) && ((res >> 16) == 0xFFFF))) {
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
+ } else {
+ SET_FLAG(F_CF);
+ SET_FLAG(F_OF);
+ }
+ *destreg = (u16)res;
+ }
+ } else { /* 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);
+ imm = fetch_byte_imm();
+ DECODE_PRINTF2(",%d\n", (s32)imm);
+ TRACE_AND_STEP();
+ imul_long_direct(&res_lo,&res_hi,(s32)*srcreg,(s32)imm);
+ if ((((res_lo & 0x80000000) == 0) && (res_hi == 0x00000000)) ||
+ (((res_lo & 0x80000000) != 0) && (res_hi == 0xFFFFFFFF))) {
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
+ } else {
+ SET_FLAG(F_CF);
+ SET_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);
+ imm = fetch_byte_imm();
+ DECODE_PRINTF2(",%d\n", (s32)imm);
+ TRACE_AND_STEP();
+ res = (s16)*srcreg * (s16)imm;
+ if ((((res & 0x8000) == 0) && ((res >> 16) == 0x0000)) ||
+ (((res & 0x8000) != 0) && ((res >> 16) == 0xFFFF))) {
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
+ } else {
+ SET_FLAG(F_CF);
+ SET_FLAG(F_OF);
+ }
+ *destreg = (u16)res;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1194,11 +1194,11 @@ void x86emuOp_ins_word(u8 X86EMU_UNUSED(op1))
{
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("INSD\n");
- ins(4);
+ DECODE_PRINTF("INSD\n");
+ ins(4);
} else {
- DECODE_PRINTF("INSW\n");
- ins(2);
+ DECODE_PRINTF("INSW\n");
+ ins(2);
}
TRACE_AND_STEP();
DECODE_CLEAR_SEGOVR();
@@ -1227,11 +1227,11 @@ void x86emuOp_outs_word(u8 X86EMU_UNUSED(op1))
{
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("OUTSD\n");
- outs(4);
+ DECODE_PRINTF("OUTSD\n");
+ outs(4);
} else {
- DECODE_PRINTF("OUTSW\n");
- outs(2);
+ DECODE_PRINTF("OUTSW\n");
+ outs(2);
}
TRACE_AND_STEP();
DECODE_CLEAR_SEGOVR();
@@ -1258,7 +1258,7 @@ void x86emuOp_jump_near_cond(u8 op1)
DECODE_PRINTF2("%x\n", target);
TRACE_AND_STEP();
if (cond)
- M.x86.R_IP = target;
+ M.x86.R_IP = target;
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
}
@@ -1276,7 +1276,7 @@ void x86emuOp_opc80_byte_RM_IMM(u8 X86EMU_UNUSED(op1))
u8 destval;
/*
- * Weirdo special case instruction format. Part of the opcode
+ * Weirdo special case instruction format. Part of the opcode
* held below in "RH". Doubly nested case would result, except
* that the decoded instruction
*/
@@ -1284,61 +1284,61 @@ void x86emuOp_opc80_byte_RM_IMM(u8 X86EMU_UNUSED(op1))
FETCH_DECODE_MODRM(mod, rh, rl);
#ifdef DEBUG
if (DEBUG_DECODE()) {
- /* XXX DECODE_PRINTF may be changed to something more
- general, so that it is important to leave the strings
- in the same format, even though the result is that the
- above test is done twice. */
-
- switch (rh) {
- case 0:
- DECODE_PRINTF("ADD\t");
- break;
- case 1:
- DECODE_PRINTF("OR\t");
- break;
- case 2:
- DECODE_PRINTF("ADC\t");
- break;
- case 3:
- DECODE_PRINTF("SBB\t");
- break;
- case 4:
- DECODE_PRINTF("AND\t");
- break;
- case 5:
- DECODE_PRINTF("SUB\t");
- break;
- case 6:
- DECODE_PRINTF("XOR\t");
- break;
- case 7:
- DECODE_PRINTF("CMP\t");
- break;
- }
+ /* XXX DECODE_PRINTF may be changed to something more
+ general, so that it is important to leave the strings
+ in the same format, even though the result is that the
+ above test is done twice. */
+
+ switch (rh) {
+ case 0:
+ DECODE_PRINTF("ADD\t");
+ break;
+ case 1:
+ DECODE_PRINTF("OR\t");
+ break;
+ case 2:
+ DECODE_PRINTF("ADC\t");
+ break;
+ case 3:
+ DECODE_PRINTF("SBB\t");
+ break;
+ case 4:
+ DECODE_PRINTF("AND\t");
+ break;
+ case 5:
+ DECODE_PRINTF("SUB\t");
+ break;
+ case 6:
+ DECODE_PRINTF("XOR\t");
+ break;
+ case 7:
+ DECODE_PRINTF("CMP\t");
+ break;
+ }
}
#endif
/* know operation, decode the mod byte to find the addressing
mode. */
if (mod < 3) {
- DECODE_PRINTF("BYTE PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",");
- destval = fetch_data_byte(destoffset);
- imm = fetch_byte_imm();
- DECODE_PRINTF2("%x\n", imm);
- TRACE_AND_STEP();
- destval = (*genop_byte_operation[rh]) (destval, imm);
- if (rh != 7)
- store_data_byte(destoffset, destval);
- } else { /* register to register */
- destreg = DECODE_RM_BYTE_REGISTER(rl);
- DECODE_PRINTF(",");
- imm = fetch_byte_imm();
- DECODE_PRINTF2("%x\n", imm);
- TRACE_AND_STEP();
- destval = (*genop_byte_operation[rh]) (*destreg, imm);
- if (rh != 7)
- *destreg = destval;
+ DECODE_PRINTF("BYTE PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",");
+ destval = fetch_data_byte(destoffset);
+ imm = fetch_byte_imm();
+ DECODE_PRINTF2("%x\n", imm);
+ TRACE_AND_STEP();
+ destval = (*genop_byte_operation[rh]) (destval, imm);
+ if (rh != 7)
+ store_data_byte(destoffset, destval);
+ } else { /* register to register */
+ destreg = DECODE_RM_BYTE_REGISTER(rl);
+ DECODE_PRINTF(",");
+ imm = fetch_byte_imm();
+ DECODE_PRINTF2("%x\n", imm);
+ TRACE_AND_STEP();
+ destval = (*genop_byte_operation[rh]) (*destreg, imm);
+ if (rh != 7)
+ *destreg = destval;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1354,7 +1354,7 @@ void x86emuOp_opc81_word_RM_IMM(u8 X86EMU_UNUSED(op1))
uint destoffset;
/*
- * Weirdo special case instruction format. Part of the opcode
+ * Weirdo special case instruction format. Part of the opcode
* held below in "RH". Doubly nested case would result, except
* that the decoded instruction
*/
@@ -1362,37 +1362,37 @@ void x86emuOp_opc81_word_RM_IMM(u8 X86EMU_UNUSED(op1))
FETCH_DECODE_MODRM(mod, rh, rl);
#ifdef DEBUG
if (DEBUG_DECODE()) {
- /* XXX DECODE_PRINTF may be changed to something more
- general, so that it is important to leave the strings
- in the same format, even though the result is that the
- above test is done twice. */
-
- switch (rh) {
- case 0:
- DECODE_PRINTF("ADD\t");
- break;
- case 1:
- DECODE_PRINTF("OR\t");
- break;
- case 2:
- DECODE_PRINTF("ADC\t");
- break;
- case 3:
- DECODE_PRINTF("SBB\t");
- break;
- case 4:
- DECODE_PRINTF("AND\t");
- break;
- case 5:
- DECODE_PRINTF("SUB\t");
- break;
- case 6:
- DECODE_PRINTF("XOR\t");
- break;
- case 7:
- DECODE_PRINTF("CMP\t");
- break;
- }
+ /* XXX DECODE_PRINTF may be changed to something more
+ general, so that it is important to leave the strings
+ in the same format, even though the result is that the
+ above test is done twice. */
+
+ switch (rh) {
+ case 0:
+ DECODE_PRINTF("ADD\t");
+ break;
+ case 1:
+ DECODE_PRINTF("OR\t");
+ break;
+ case 2:
+ DECODE_PRINTF("ADC\t");
+ break;
+ case 3:
+ DECODE_PRINTF("SBB\t");
+ break;
+ case 4:
+ DECODE_PRINTF("AND\t");
+ break;
+ case 5:
+ DECODE_PRINTF("SUB\t");
+ break;
+ case 6:
+ DECODE_PRINTF("XOR\t");
+ break;
+ case 7:
+ DECODE_PRINTF("CMP\t");
+ break;
+ }
}
#endif
/*
@@ -1400,57 +1400,57 @@ void x86emuOp_opc81_word_RM_IMM(u8 X86EMU_UNUSED(op1))
* mode.
*/
if (mod < 3) {
- DECODE_PRINTF("DWORD PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval,imm;
-
- DECODE_PRINTF(",");
- destval = fetch_data_long(destoffset);
- imm = fetch_long_imm();
- DECODE_PRINTF2("%x\n", imm);
- TRACE_AND_STEP();
- destval = (*genop_long_operation[rh]) (destval, imm);
- if (rh != 7)
- store_data_long(destoffset, destval);
- } else {
- u16 destval,imm;
-
- DECODE_PRINTF(",");
- destval = fetch_data_word(destoffset);
- imm = fetch_word_imm();
- DECODE_PRINTF2("%x\n", imm);
- TRACE_AND_STEP();
- destval = (*genop_word_operation[rh]) (destval, imm);
- if (rh != 7)
- store_data_word(destoffset, destval);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u32 destval,imm;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- imm = fetch_long_imm();
- DECODE_PRINTF2("%x\n", imm);
- TRACE_AND_STEP();
- destval = (*genop_long_operation[rh]) (*destreg, imm);
- if (rh != 7)
- *destreg = destval;
- } else {
- u16 *destreg;
- u16 destval,imm;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- imm = fetch_word_imm();
- DECODE_PRINTF2("%x\n", imm);
- TRACE_AND_STEP();
- destval = (*genop_word_operation[rh]) (*destreg, imm);
- if (rh != 7)
- *destreg = destval;
- }
+ DECODE_PRINTF("DWORD PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval,imm;
+
+ DECODE_PRINTF(",");
+ destval = fetch_data_long(destoffset);
+ imm = fetch_long_imm();
+ DECODE_PRINTF2("%x\n", imm);
+ TRACE_AND_STEP();
+ destval = (*genop_long_operation[rh]) (destval, imm);
+ if (rh != 7)
+ store_data_long(destoffset, destval);
+ } else {
+ u16 destval,imm;
+
+ DECODE_PRINTF(",");
+ destval = fetch_data_word(destoffset);
+ imm = fetch_word_imm();
+ DECODE_PRINTF2("%x\n", imm);
+ TRACE_AND_STEP();
+ destval = (*genop_word_operation[rh]) (destval, imm);
+ if (rh != 7)
+ store_data_word(destoffset, destval);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+ u32 destval,imm;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF(",");
+ imm = fetch_long_imm();
+ DECODE_PRINTF2("%x\n", imm);
+ TRACE_AND_STEP();
+ destval = (*genop_long_operation[rh]) (*destreg, imm);
+ if (rh != 7)
+ *destreg = destval;
+ } else {
+ u16 *destreg;
+ u16 destval,imm;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF(",");
+ imm = fetch_word_imm();
+ DECODE_PRINTF2("%x\n", imm);
+ TRACE_AND_STEP();
+ destval = (*genop_word_operation[rh]) (*destreg, imm);
+ if (rh != 7)
+ *destreg = destval;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1469,7 +1469,7 @@ void x86emuOp_opc82_byte_RM_IMM(u8 X86EMU_UNUSED(op1))
u8 destval;
/*
- * Weirdo special case instruction format. Part of the opcode
+ * Weirdo special case instruction format. Part of the opcode
* held below in "RH". Doubly nested case would result, except
* that the decoded instruction Similar to opcode 81, except that
* the immediate byte is sign extended to a word length.
@@ -1478,58 +1478,58 @@ void x86emuOp_opc82_byte_RM_IMM(u8 X86EMU_UNUSED(op1))
FETCH_DECODE_MODRM(mod, rh, rl);
#ifdef DEBUG
if (DEBUG_DECODE()) {
- /* XXX DECODE_PRINTF may be changed to something more
- general, so that it is important to leave the strings
- in the same format, even though the result is that the
- above test is done twice. */
- switch (rh) {
- case 0:
- DECODE_PRINTF("ADD\t");
- break;
- case 1:
- DECODE_PRINTF("OR\t");
- break;
- case 2:
- DECODE_PRINTF("ADC\t");
- break;
- case 3:
- DECODE_PRINTF("SBB\t");
- break;
- case 4:
- DECODE_PRINTF("AND\t");
- break;
- case 5:
- DECODE_PRINTF("SUB\t");
- break;
- case 6:
- DECODE_PRINTF("XOR\t");
- break;
- case 7:
- DECODE_PRINTF("CMP\t");
- break;
- }
+ /* XXX DECODE_PRINTF may be changed to something more
+ general, so that it is important to leave the strings
+ in the same format, even though the result is that the
+ above test is done twice. */
+ switch (rh) {
+ case 0:
+ DECODE_PRINTF("ADD\t");
+ break;
+ case 1:
+ DECODE_PRINTF("OR\t");
+ break;
+ case 2:
+ DECODE_PRINTF("ADC\t");
+ break;
+ case 3:
+ DECODE_PRINTF("SBB\t");
+ break;
+ case 4:
+ DECODE_PRINTF("AND\t");
+ break;
+ case 5:
+ DECODE_PRINTF("SUB\t");
+ break;
+ case 6:
+ DECODE_PRINTF("XOR\t");
+ break;
+ case 7:
+ DECODE_PRINTF("CMP\t");
+ break;
+ }
}
#endif
/* know operation, decode the mod byte to find the addressing
mode. */
if (mod < 3) {
- DECODE_PRINTF("BYTE PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- destval = fetch_data_byte(destoffset);
- imm = fetch_byte_imm();
- DECODE_PRINTF2(",%x\n", imm);
- TRACE_AND_STEP();
- destval = (*genop_byte_operation[rh]) (destval, imm);
- if (rh != 7)
- store_data_byte(destoffset, destval);
- } else { /* register to register */
- destreg = DECODE_RM_BYTE_REGISTER(rl);
- imm = fetch_byte_imm();
- DECODE_PRINTF2(",%x\n", imm);
- TRACE_AND_STEP();
- destval = (*genop_byte_operation[rh]) (*destreg, imm);
- if (rh != 7)
- *destreg = destval;
+ DECODE_PRINTF("BYTE PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ destval = fetch_data_byte(destoffset);
+ imm = fetch_byte_imm();
+ DECODE_PRINTF2(",%x\n", imm);
+ TRACE_AND_STEP();
+ destval = (*genop_byte_operation[rh]) (destval, imm);
+ if (rh != 7)
+ store_data_byte(destoffset, destval);
+ } else { /* register to register */
+ destreg = DECODE_RM_BYTE_REGISTER(rl);
+ imm = fetch_byte_imm();
+ DECODE_PRINTF2(",%x\n", imm);
+ TRACE_AND_STEP();
+ destval = (*genop_byte_operation[rh]) (*destreg, imm);
+ if (rh != 7)
+ *destreg = destval;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1545,7 +1545,7 @@ void x86emuOp_opc83_word_RM_IMM(u8 X86EMU_UNUSED(op1))
uint destoffset;
/*
- * Weirdo special case instruction format. Part of the opcode
+ * Weirdo special case instruction format. Part of the opcode
* held below in "RH". Doubly nested case would result, except
* that the decoded instruction Similar to opcode 81, except that
* the immediate byte is sign extended to a word length.
@@ -1554,89 +1554,89 @@ void x86emuOp_opc83_word_RM_IMM(u8 X86EMU_UNUSED(op1))
FETCH_DECODE_MODRM(mod, rh, rl);
#ifdef DEBUG
if (DEBUG_DECODE()) {
- /* XXX DECODE_PRINTF may be changed to something more
- general, so that it is important to leave the strings
- in the same format, even though the result is that the
- above test is done twice. */
+ /* XXX DECODE_PRINTF may be changed to something more
+ general, so that it is important to leave the strings
+ in the same format, even though the result is that the
+ above test is done twice. */
switch (rh) {
- case 0:
- DECODE_PRINTF("ADD\t");
- break;
- case 1:
- DECODE_PRINTF("OR\t");
- break;
- case 2:
- DECODE_PRINTF("ADC\t");
- break;
- case 3:
- DECODE_PRINTF("SBB\t");
- break;
- case 4:
- DECODE_PRINTF("AND\t");
- break;
- case 5:
- DECODE_PRINTF("SUB\t");
- break;
- case 6:
- DECODE_PRINTF("XOR\t");
- break;
- case 7:
- DECODE_PRINTF("CMP\t");
- break;
- }
+ case 0:
+ DECODE_PRINTF("ADD\t");
+ break;
+ case 1:
+ DECODE_PRINTF("OR\t");
+ break;
+ case 2:
+ DECODE_PRINTF("ADC\t");
+ break;
+ case 3:
+ DECODE_PRINTF("SBB\t");
+ break;
+ case 4:
+ DECODE_PRINTF("AND\t");
+ break;
+ case 5:
+ DECODE_PRINTF("SUB\t");
+ break;
+ case 6:
+ DECODE_PRINTF("XOR\t");
+ break;
+ case 7:
+ DECODE_PRINTF("CMP\t");
+ break;
+ }
}
#endif
/* know operation, decode the mod byte to find the addressing
mode. */
if (mod < 3) {
- DECODE_PRINTF("DWORD PTR ");
- destoffset = decode_rmXX_address(mod,rl);
-
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval,imm;
-
- destval = fetch_data_long(destoffset);
- imm = (s8) fetch_byte_imm();
- DECODE_PRINTF2(",%x\n", imm);
- TRACE_AND_STEP();
- destval = (*genop_long_operation[rh]) (destval, imm);
- if (rh != 7)
- store_data_long(destoffset, destval);
- } else {
- u16 destval,imm;
-
- destval = fetch_data_word(destoffset);
- imm = (s8) fetch_byte_imm();
- DECODE_PRINTF2(",%x\n", imm);
- TRACE_AND_STEP();
- destval = (*genop_word_operation[rh]) (destval, imm);
- if (rh != 7)
- store_data_word(destoffset, destval);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u32 destval,imm;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- imm = (s8) fetch_byte_imm();
- DECODE_PRINTF2(",%x\n", imm);
- TRACE_AND_STEP();
- destval = (*genop_long_operation[rh]) (*destreg, imm);
- if (rh != 7)
- *destreg = destval;
- } else {
- u16 *destreg;
- u16 destval,imm;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- imm = (s8) fetch_byte_imm();
- DECODE_PRINTF2(",%x\n", imm);
- TRACE_AND_STEP();
- destval = (*genop_word_operation[rh]) (*destreg, imm);
- if (rh != 7)
- *destreg = destval;
- }
+ DECODE_PRINTF("DWORD PTR ");
+ destoffset = decode_rmXX_address(mod,rl);
+
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval,imm;
+
+ destval = fetch_data_long(destoffset);
+ imm = (s8) fetch_byte_imm();
+ DECODE_PRINTF2(",%x\n", imm);
+ TRACE_AND_STEP();
+ destval = (*genop_long_operation[rh]) (destval, imm);
+ if (rh != 7)
+ store_data_long(destoffset, destval);
+ } else {
+ u16 destval,imm;
+
+ destval = fetch_data_word(destoffset);
+ imm = (s8) fetch_byte_imm();
+ DECODE_PRINTF2(",%x\n", imm);
+ TRACE_AND_STEP();
+ destval = (*genop_word_operation[rh]) (destval, imm);
+ if (rh != 7)
+ store_data_word(destoffset, destval);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+ u32 destval,imm;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ imm = (s8) fetch_byte_imm();
+ DECODE_PRINTF2(",%x\n", imm);
+ TRACE_AND_STEP();
+ destval = (*genop_long_operation[rh]) (*destreg, imm);
+ if (rh != 7)
+ *destreg = destval;
+ } else {
+ u16 *destreg;
+ u16 destval,imm;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ imm = (s8) fetch_byte_imm();
+ DECODE_PRINTF2(",%x\n", imm);
+ TRACE_AND_STEP();
+ destval = (*genop_word_operation[rh]) (*destreg, imm);
+ if (rh != 7)
+ *destreg = destval;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1657,20 +1657,20 @@ void x86emuOp_test_byte_RM_R(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("TEST\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",");
- destval = fetch_data_byte(destoffset);
- srcreg = DECODE_RM_BYTE_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- test_byte(destval, *srcreg);
- } else { /* register to register */
- destreg = DECODE_RM_BYTE_REGISTER(rl);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_BYTE_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- test_byte(*destreg, *srcreg);
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",");
+ destval = fetch_data_byte(destoffset);
+ srcreg = DECODE_RM_BYTE_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ test_byte(destval, *srcreg);
+ } else { /* register to register */
+ destreg = DECODE_RM_BYTE_REGISTER(rl);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_BYTE_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ test_byte(*destreg, *srcreg);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1689,48 +1689,48 @@ void x86emuOp_test_word_RM_R(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("TEST\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- destoffset = decode_rmXX_address(mod, rl);
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
- u32 *srcreg;
-
- DECODE_PRINTF(",");
- destval = fetch_data_long(destoffset);
- srcreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- test_long(destval, *srcreg);
- } else {
- u16 destval;
- u16 *srcreg;
-
- DECODE_PRINTF(",");
- destval = fetch_data_word(destoffset);
- srcreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- test_word(destval, *srcreg);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg,*srcreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- test_long(*destreg, *srcreg);
- } else {
- u16 *destreg,*srcreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- test_word(*destreg, *srcreg);
- }
+ destoffset = decode_rmXX_address(mod, rl);
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval;
+ u32 *srcreg;
+
+ DECODE_PRINTF(",");
+ destval = fetch_data_long(destoffset);
+ srcreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ test_long(destval, *srcreg);
+ } else {
+ u16 destval;
+ u16 *srcreg;
+
+ DECODE_PRINTF(",");
+ destval = fetch_data_word(destoffset);
+ srcreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ test_word(destval, *srcreg);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg,*srcreg;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ test_long(*destreg, *srcreg);
+ } else {
+ u16 *destreg,*srcreg;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ test_word(*destreg, *srcreg);
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1752,25 +1752,25 @@ void x86emuOp_xchg_byte_RM_R(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("XCHG\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",");
- destval = fetch_data_byte(destoffset);
- srcreg = DECODE_RM_BYTE_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- tmp = *srcreg;
- *srcreg = destval;
- destval = tmp;
- store_data_byte(destoffset, destval);
- } else { /* register to register */
- destreg = DECODE_RM_BYTE_REGISTER(rl);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_BYTE_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- tmp = *srcreg;
- *srcreg = *destreg;
- *destreg = tmp;
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",");
+ destval = fetch_data_byte(destoffset);
+ srcreg = DECODE_RM_BYTE_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ tmp = *srcreg;
+ *srcreg = destval;
+ destval = tmp;
+ store_data_byte(destoffset, destval);
+ } else { /* register to register */
+ destreg = DECODE_RM_BYTE_REGISTER(rl);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_BYTE_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ tmp = *srcreg;
+ *srcreg = *destreg;
+ *destreg = tmp;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1789,59 +1789,59 @@ void x86emuOp_xchg_word_RM_R(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("XCHG\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",");
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *srcreg;
- u32 destval,tmp;
-
- destval = fetch_data_long(destoffset);
- srcreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- tmp = *srcreg;
- *srcreg = destval;
- destval = tmp;
- store_data_long(destoffset, destval);
- } else {
- u16 *srcreg;
- u16 destval,tmp;
-
- destval = fetch_data_word(destoffset);
- srcreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- tmp = *srcreg;
- *srcreg = destval;
- destval = tmp;
- store_data_word(destoffset, destval);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg,*srcreg;
- u32 tmp;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- tmp = *srcreg;
- *srcreg = *destreg;
- *destreg = tmp;
- } else {
- u16 *destreg,*srcreg;
- u16 tmp;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- tmp = *srcreg;
- *srcreg = *destreg;
- *destreg = tmp;
- }
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",");
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *srcreg;
+ u32 destval,tmp;
+
+ destval = fetch_data_long(destoffset);
+ srcreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ tmp = *srcreg;
+ *srcreg = destval;
+ destval = tmp;
+ store_data_long(destoffset, destval);
+ } else {
+ u16 *srcreg;
+ u16 destval,tmp;
+
+ destval = fetch_data_word(destoffset);
+ srcreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ tmp = *srcreg;
+ *srcreg = destval;
+ destval = tmp;
+ store_data_word(destoffset, destval);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg,*srcreg;
+ u32 tmp;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ tmp = *srcreg;
+ *srcreg = *destreg;
+ *destreg = tmp;
+ } else {
+ u16 *destreg,*srcreg;
+ u16 tmp;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ tmp = *srcreg;
+ *srcreg = *destreg;
+ *destreg = tmp;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1861,19 +1861,19 @@ void x86emuOp_mov_byte_RM_R(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("MOV\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_BYTE_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- store_data_byte(destoffset, *srcreg);
- } else { /* register to register */
- destreg = DECODE_RM_BYTE_REGISTER(rl);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_BYTE_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = *srcreg;
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_BYTE_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ store_data_byte(destoffset, *srcreg);
+ } else { /* register to register */
+ destreg = DECODE_RM_BYTE_REGISTER(rl);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_BYTE_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = *srcreg;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1892,44 +1892,44 @@ void x86emuOp_mov_word_RM_R(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("MOV\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- destoffset = decode_rmXX_address(mod, rl);
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *srcreg;
-
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- store_data_long(destoffset, *srcreg);
- } else {
- u16 *srcreg;
-
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- store_data_word(destoffset, *srcreg);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg,*srcreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = *srcreg;
- } else {
- u16 *destreg,*srcreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = *srcreg;
- }
+ destoffset = decode_rmXX_address(mod, rl);
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *srcreg;
+
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ store_data_long(destoffset, *srcreg);
+ } else {
+ u16 *srcreg;
+
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ store_data_word(destoffset, *srcreg);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg,*srcreg;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = *srcreg;
+ } else {
+ u16 *destreg,*srcreg;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = *srcreg;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1950,20 +1950,20 @@ void x86emuOp_mov_byte_R_RM(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("MOV\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- destreg = DECODE_RM_BYTE_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rmXX_address(mod, rl);
- srcval = fetch_data_byte(srcoffset);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- } else { /* register to register */
- destreg = DECODE_RM_BYTE_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_BYTE_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = *srcreg;
+ destreg = DECODE_RM_BYTE_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcoffset = decode_rmXX_address(mod, rl);
+ srcval = fetch_data_byte(srcoffset);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = srcval;
+ } else { /* register to register */
+ destreg = DECODE_RM_BYTE_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_BYTE_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = *srcreg;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1982,49 +1982,49 @@ void x86emuOp_mov_word_R_RM(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("MOV\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u32 srcval;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rmXX_address(mod, rl);
- srcval = fetch_data_long(srcoffset);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- } else {
- u16 *destreg;
- u16 srcval;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rmXX_address(mod, rl);
- srcval = fetch_data_word(srcoffset);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg, *srcreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = *srcreg;
- } else {
- u16 *destreg, *srcreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = *srcreg;
- }
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+ u32 srcval;
+
+ destreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcoffset = decode_rmXX_address(mod, rl);
+ srcval = fetch_data_long(srcoffset);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = srcval;
+ } else {
+ u16 *destreg;
+ u16 srcval;
+
+ destreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcoffset = decode_rmXX_address(mod, rl);
+ srcval = fetch_data_word(srcoffset);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = srcval;
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg, *srcreg;
+
+ destreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = *srcreg;
+ } else {
+ u16 *destreg, *srcreg;
+
+ destreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = *srcreg;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2045,20 +2045,20 @@ void x86emuOp_mov_word_RM_SR(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("MOV\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",");
- srcreg = decode_rm_seg_register(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- destval = *srcreg;
- store_data_word(destoffset, destval);
- } else { /* register to register */
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- srcreg = decode_rm_seg_register(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = *srcreg;
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",");
+ srcreg = decode_rm_seg_register(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ destval = *srcreg;
+ store_data_word(destoffset, destval);
+ } else { /* register to register */
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF(",");
+ srcreg = decode_rm_seg_register(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = *srcreg;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2077,20 +2077,20 @@ void x86emuOp_lea_word_R_M(u8 X86EMU_UNUSED(op1))
/*
* TODO: Need to handle address size prefix!
*
- * lea eax,[eax+ebx*2] ??
+ * lea eax,[eax+ebx*2] ??
*/
START_OF_INSTR();
DECODE_PRINTF("LEA\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- srcreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *srcreg = (u16)destoffset;
- }
+ srcreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *srcreg = (u16)destoffset;
+ }
/* } else { undefined. Do nothing. } */
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2111,20 +2111,20 @@ void x86emuOp_mov_word_SR_RM(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("MOV\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- destreg = decode_rm_seg_register(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rmXX_address(mod, rl);
- srcval = fetch_data_word(srcoffset);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- } else { /* register to register */
- destreg = decode_rm_seg_register(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = *srcreg;
+ destreg = decode_rm_seg_register(rh);
+ DECODE_PRINTF(",");
+ srcoffset = decode_rmXX_address(mod, rl);
+ srcval = fetch_data_word(srcoffset);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = srcval;
+ } else { /* register to register */
+ destreg = decode_rm_seg_register(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = *srcreg;
}
/*
* Clean up, and reset all the R_xSP pointers to the correct
@@ -2149,42 +2149,42 @@ void x86emuOp_pop_RM(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("POP\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (rh != 0) {
- DECODE_PRINTF("ILLEGAL DECODE OF OPCODE 8F\n");
- HALT_SYS();
+ DECODE_PRINTF("ILLEGAL DECODE OF OPCODE 8F\n");
+ HALT_SYS();
}
if (mod < 3) {
- destoffset = decode_rmXX_address(mod, rl);
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
-
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- destval = pop_long();
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
-
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- destval = pop_word();
- store_data_word(destoffset, destval);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = pop_long();
- } else {
- u16 *destreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = pop_word();
- }
+ destoffset = decode_rmXX_address(mod, rl);
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval;
+
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ destval = pop_long();
+ store_data_long(destoffset, destval);
+ } else {
+ u16 destval;
+
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ destval = pop_word();
+ store_data_word(destoffset, destval);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = pop_long();
+ } else {
+ u16 *destreg;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = pop_word();
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2216,23 +2216,23 @@ void x86emuOp_xchg_word_AX_register(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *reg32;
- DECODE_PRINTF("XCHG\tEAX,");
- reg32 = DECODE_RM_LONG_REGISTER(op1);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- tmp = M.x86.R_EAX;
- M.x86.R_EAX = *reg32;
- *reg32 = tmp;
+ u32 *reg32;
+ DECODE_PRINTF("XCHG\tEAX,");
+ reg32 = DECODE_RM_LONG_REGISTER(op1);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ tmp = M.x86.R_EAX;
+ M.x86.R_EAX = *reg32;
+ *reg32 = tmp;
} else {
- u16 *reg16;
- DECODE_PRINTF("XCHG\tAX,");
- reg16 = DECODE_RM_WORD_REGISTER(op1);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- tmp = M.x86.R_AX;
- M.x86.R_EAX = *reg16;
- *reg16 = (u16)tmp;
+ u16 *reg16;
+ DECODE_PRINTF("XCHG\tAX,");
+ reg16 = DECODE_RM_WORD_REGISTER(op1);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ tmp = M.x86.R_AX;
+ M.x86.R_EAX = *reg16;
+ *reg16 = (u16)tmp;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2246,23 +2246,23 @@ void x86emuOp_cbw(u8 X86EMU_UNUSED(op1))
{
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("CWDE\n");
+ DECODE_PRINTF("CWDE\n");
} else {
- DECODE_PRINTF("CBW\n");
+ DECODE_PRINTF("CBW\n");
}
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- if (M.x86.R_AX & 0x8000) {
- M.x86.R_EAX |= 0xffff0000;
- } else {
- M.x86.R_EAX &= 0x0000ffff;
- }
+ if (M.x86.R_AX & 0x8000) {
+ M.x86.R_EAX |= 0xffff0000;
+ } else {
+ M.x86.R_EAX &= 0x0000ffff;
+ }
} else {
- if (M.x86.R_AL & 0x80) {
- M.x86.R_AH = 0xff;
- } else {
- M.x86.R_AH = 0x0;
- }
+ if (M.x86.R_AL & 0x80) {
+ M.x86.R_AH = 0xff;
+ } else {
+ M.x86.R_AH = 0x0;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2276,24 +2276,24 @@ void x86emuOp_cwd(u8 X86EMU_UNUSED(op1))
{
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("CDQ\n");
+ DECODE_PRINTF("CDQ\n");
} else {
- DECODE_PRINTF("CWD\n");
+ DECODE_PRINTF("CWD\n");
}
DECODE_PRINTF("CWD\n");
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- if (M.x86.R_EAX & 0x80000000) {
- M.x86.R_EDX = 0xffffffff;
- } else {
- M.x86.R_EDX = 0x0;
- }
+ if (M.x86.R_EAX & 0x80000000) {
+ M.x86.R_EDX = 0xffffffff;
+ } else {
+ M.x86.R_EDX = 0x0;
+ }
} else {
- if (M.x86.R_AX & 0x8000) {
- M.x86.R_DX = 0xffff;
- } else {
- M.x86.R_DX = 0x0;
- }
+ if (M.x86.R_AX & 0x8000) {
+ M.x86.R_DX = 0xffff;
+ } else {
+ M.x86.R_DX = 0x0;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2319,7 +2319,7 @@ void x86emuOp_call_far_IMM(u8 X86EMU_UNUSED(op1))
*
* Hooked interrupt vectors calling into our "BIOS" will cause
* problems unless all intersegment stuff is checked for BIOS
- * access. Check needed here. For moment, let it alone.
+ * access. Check needed here. For moment, let it alone.
*/
TRACE_AND_STEP();
push_word(M.x86.R_CS);
@@ -2354,18 +2354,18 @@ void x86emuOp_pushf_word(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("PUSHFD\n");
+ DECODE_PRINTF("PUSHFD\n");
} else {
- DECODE_PRINTF("PUSHF\n");
+ DECODE_PRINTF("PUSHF\n");
}
TRACE_AND_STEP();
/* clear out *all* bits not representing flags, and turn on real bits */
flags = (M.x86.R_EFLG & F_MSK) | F_ALWAYS_ON;
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- push_long(flags);
+ push_long(flags);
} else {
- push_word((u16)flags);
+ push_word((u16)flags);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2379,15 +2379,15 @@ void x86emuOp_popf_word(u8 X86EMU_UNUSED(op1))
{
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("POPFD\n");
+ DECODE_PRINTF("POPFD\n");
} else {
- DECODE_PRINTF("POPF\n");
+ DECODE_PRINTF("POPF\n");
}
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- M.x86.R_EFLG = pop_long();
+ M.x86.R_EFLG = pop_long();
} else {
- M.x86.R_FLG = pop_word();
+ M.x86.R_FLG = pop_word();
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2456,15 +2456,15 @@ void x86emuOp_mov_AX_M_IMM(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
offset = fetch_word_imm();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF2("MOV\tEAX,[%04x]\n", offset);
+ DECODE_PRINTF2("MOV\tEAX,[%04x]\n", offset);
} else {
- DECODE_PRINTF2("MOV\tAX,[%04x]\n", offset);
+ DECODE_PRINTF2("MOV\tAX,[%04x]\n", offset);
}
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- M.x86.R_EAX = fetch_data_long(offset);
+ M.x86.R_EAX = fetch_data_long(offset);
} else {
- M.x86.R_AX = fetch_data_word(offset);
+ M.x86.R_AX = fetch_data_word(offset);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2499,15 +2499,15 @@ void x86emuOp_mov_M_AX_IMM(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
offset = fetch_word_imm();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF2("MOV\t[%04x],EAX\n", offset);
+ DECODE_PRINTF2("MOV\t[%04x],EAX\n", offset);
} else {
- DECODE_PRINTF2("MOV\t[%04x],AX\n", offset);
+ DECODE_PRINTF2("MOV\t[%04x],AX\n", offset);
}
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- store_data_long(offset, M.x86.R_EAX);
+ store_data_long(offset, M.x86.R_EAX);
} else {
- store_data_word(offset, M.x86.R_AX);
+ store_data_word(offset, M.x86.R_AX);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2519,30 +2519,30 @@ Handles opcode 0xa4
****************************************************************************/
void x86emuOp_movs_byte(u8 X86EMU_UNUSED(op1))
{
- u8 val;
+ u8 val;
u32 count;
int inc;
START_OF_INSTR();
DECODE_PRINTF("MOVS\tBYTE\n");
if (ACCESS_FLAG(F_DF)) /* down */
- inc = -1;
+ inc = -1;
else
- inc = 1;
+ inc = 1;
TRACE_AND_STEP();
count = 1;
if (M.x86.mode & (SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE)) {
- /* dont care whether REPE or REPNE */
- /* move them until CX is ZERO. */
- count = M.x86.R_CX;
- M.x86.R_CX = 0;
- M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
+ /* dont care whether REPE or REPNE */
+ /* move them until CX is ZERO. */
+ count = M.x86.R_CX;
+ M.x86.R_CX = 0;
+ M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
}
while (count--) {
- val = fetch_data_byte(M.x86.R_SI);
- store_data_byte_abs(M.x86.R_ES, M.x86.R_DI, val);
- M.x86.R_SI += inc;
- M.x86.R_DI += inc;
+ val = fetch_data_byte(M.x86.R_SI);
+ store_data_byte_abs(M.x86.R_ES, M.x86.R_DI, val);
+ M.x86.R_SI += inc;
+ M.x86.R_DI += inc;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2560,37 +2560,37 @@ void x86emuOp_movs_word(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("MOVS\tDWORD\n");
- if (ACCESS_FLAG(F_DF)) /* down */
- inc = -4;
- else
- inc = 4;
+ DECODE_PRINTF("MOVS\tDWORD\n");
+ if (ACCESS_FLAG(F_DF)) /* down */
+ inc = -4;
+ else
+ inc = 4;
} else {
- DECODE_PRINTF("MOVS\tWORD\n");
- if (ACCESS_FLAG(F_DF)) /* down */
- inc = -2;
- else
- inc = 2;
+ DECODE_PRINTF("MOVS\tWORD\n");
+ if (ACCESS_FLAG(F_DF)) /* down */
+ inc = -2;
+ else
+ inc = 2;
}
TRACE_AND_STEP();
count = 1;
if (M.x86.mode & (SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE)) {
- /* dont care whether REPE or REPNE */
- /* move them until CX is ZERO. */
- count = M.x86.R_CX;
- M.x86.R_CX = 0;
- M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
+ /* dont care whether REPE or REPNE */
+ /* move them until CX is ZERO. */
+ count = M.x86.R_CX;
+ M.x86.R_CX = 0;
+ M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
}
while (count--) {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- val = fetch_data_long(M.x86.R_SI);
- store_data_long_abs(M.x86.R_ES, M.x86.R_DI, val);
- } else {
- val = fetch_data_word(M.x86.R_SI);
- store_data_word_abs(M.x86.R_ES, M.x86.R_DI, (u16)val);
- }
- M.x86.R_SI += inc;
- M.x86.R_DI += inc;
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ val = fetch_data_long(M.x86.R_SI);
+ store_data_long_abs(M.x86.R_ES, M.x86.R_DI, val);
+ } else {
+ val = fetch_data_word(M.x86.R_SI);
+ store_data_word_abs(M.x86.R_ES, M.x86.R_DI, (u16)val);
+ }
+ M.x86.R_SI += inc;
+ M.x86.R_DI += inc;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2609,30 +2609,30 @@ void x86emuOp_cmps_byte(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("CMPS\tBYTE\n");
TRACE_AND_STEP();
if (ACCESS_FLAG(F_DF)) /* down */
- inc = -1;
+ inc = -1;
else
- inc = 1;
+ inc = 1;
if (M.x86.mode & (SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE)) {
- /* REPE */
- /* move them until CX is ZERO. */
- while (M.x86.R_CX != 0) {
- val1 = fetch_data_byte(M.x86.R_SI);
- val2 = fetch_data_byte_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_byte(val1, val2);
- M.x86.R_CX -= 1;
- M.x86.R_SI += inc;
- M.x86.R_DI += inc;
- if ( (M.x86.mode & SYSMODE_PREFIX_REPE) && (ACCESS_FLAG(F_ZF) == 0) ) break;
- if ( (M.x86.mode & SYSMODE_PREFIX_REPNE) && ACCESS_FLAG(F_ZF) ) break;
- }
- M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
+ /* REPE */
+ /* move them until CX is ZERO. */
+ while (M.x86.R_CX != 0) {
+ val1 = fetch_data_byte(M.x86.R_SI);
+ val2 = fetch_data_byte_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_byte(val1, val2);
+ M.x86.R_CX -= 1;
+ M.x86.R_SI += inc;
+ M.x86.R_DI += inc;
+ if ( (M.x86.mode & SYSMODE_PREFIX_REPE) && (ACCESS_FLAG(F_ZF) == 0) ) break;
+ if ( (M.x86.mode & SYSMODE_PREFIX_REPNE) && ACCESS_FLAG(F_ZF) ) break;
+ }
+ M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
} else {
- val1 = fetch_data_byte(M.x86.R_SI);
- val2 = fetch_data_byte_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_byte(val1, val2);
- M.x86.R_SI += inc;
- M.x86.R_DI += inc;
+ val1 = fetch_data_byte(M.x86.R_SI);
+ val2 = fetch_data_byte_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_byte(val1, val2);
+ M.x86.R_SI += inc;
+ M.x86.R_DI += inc;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2649,48 +2649,48 @@ void x86emuOp_cmps_word(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("CMPS\tDWORD\n");
- inc = 4;
+ DECODE_PRINTF("CMPS\tDWORD\n");
+ inc = 4;
} else {
- DECODE_PRINTF("CMPS\tWORD\n");
- inc = 2;
+ DECODE_PRINTF("CMPS\tWORD\n");
+ inc = 2;
}
if (ACCESS_FLAG(F_DF)) /* down */
- inc = -inc;
+ inc = -inc;
TRACE_AND_STEP();
if (M.x86.mode & (SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE)) {
- /* REPE */
- /* move them until CX is ZERO. */
- while (M.x86.R_CX != 0) {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- val1 = fetch_data_long(M.x86.R_SI);
- val2 = fetch_data_long_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_long(val1, val2);
- } else {
- val1 = fetch_data_word(M.x86.R_SI);
- val2 = fetch_data_word_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_word((u16)val1, (u16)val2);
- }
- M.x86.R_CX -= 1;
- M.x86.R_SI += inc;
- M.x86.R_DI += inc;
- if ( (M.x86.mode & SYSMODE_PREFIX_REPE) && ACCESS_FLAG(F_ZF) == 0 ) break;
- if ( (M.x86.mode & SYSMODE_PREFIX_REPNE) && ACCESS_FLAG(F_ZF) ) break;
- }
- M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
+ /* REPE */
+ /* move them until CX is ZERO. */
+ while (M.x86.R_CX != 0) {
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ val1 = fetch_data_long(M.x86.R_SI);
+ val2 = fetch_data_long_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_long(val1, val2);
+ } else {
+ val1 = fetch_data_word(M.x86.R_SI);
+ val2 = fetch_data_word_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_word((u16)val1, (u16)val2);
+ }
+ M.x86.R_CX -= 1;
+ M.x86.R_SI += inc;
+ M.x86.R_DI += inc;
+ if ( (M.x86.mode & SYSMODE_PREFIX_REPE) && ACCESS_FLAG(F_ZF) == 0 ) break;
+ if ( (M.x86.mode & SYSMODE_PREFIX_REPNE) && ACCESS_FLAG(F_ZF) ) break;
+ }
+ M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
} else {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- val1 = fetch_data_long(M.x86.R_SI);
- val2 = fetch_data_long_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_long(val1, val2);
- } else {
- val1 = fetch_data_word(M.x86.R_SI);
- val2 = fetch_data_word_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_word((u16)val1, (u16)val2);
- }
- M.x86.R_SI += inc;
- M.x86.R_DI += inc;
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ val1 = fetch_data_long(M.x86.R_SI);
+ val2 = fetch_data_long_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_long(val1, val2);
+ } else {
+ val1 = fetch_data_word(M.x86.R_SI);
+ val2 = fetch_data_word_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_word((u16)val1, (u16)val2);
+ }
+ M.x86.R_SI += inc;
+ M.x86.R_DI += inc;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2724,18 +2724,18 @@ void x86emuOp_test_AX_IMM(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("TEST\tEAX,");
- srcval = fetch_long_imm();
+ DECODE_PRINTF("TEST\tEAX,");
+ srcval = fetch_long_imm();
} else {
- DECODE_PRINTF("TEST\tAX,");
- srcval = fetch_word_imm();
+ DECODE_PRINTF("TEST\tAX,");
+ srcval = fetch_word_imm();
}
DECODE_PRINTF2("%x\n", srcval);
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- test_long(M.x86.R_EAX, srcval);
+ test_long(M.x86.R_EAX, srcval);
} else {
- test_word(M.x86.R_AX, (u16)srcval);
+ test_word(M.x86.R_AX, (u16)srcval);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2752,22 +2752,22 @@ void x86emuOp_stos_byte(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
DECODE_PRINTF("STOS\tBYTE\n");
if (ACCESS_FLAG(F_DF)) /* down */
- inc = -1;
+ inc = -1;
else
- inc = 1;
+ inc = 1;
TRACE_AND_STEP();
if (M.x86.mode & (SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE)) {
- /* dont care whether REPE or REPNE */
- /* move them until CX is ZERO. */
- while (M.x86.R_CX != 0) {
- store_data_byte_abs(M.x86.R_ES, M.x86.R_DI, M.x86.R_AL);
- M.x86.R_CX -= 1;
- M.x86.R_DI += inc;
- }
- M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
+ /* dont care whether REPE or REPNE */
+ /* move them until CX is ZERO. */
+ while (M.x86.R_CX != 0) {
+ store_data_byte_abs(M.x86.R_ES, M.x86.R_DI, M.x86.R_AL);
+ M.x86.R_CX -= 1;
+ M.x86.R_DI += inc;
+ }
+ M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
} else {
- store_data_byte_abs(M.x86.R_ES, M.x86.R_DI, M.x86.R_AL);
- M.x86.R_DI += inc;
+ store_data_byte_abs(M.x86.R_ES, M.x86.R_DI, M.x86.R_AL);
+ M.x86.R_DI += inc;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2784,34 +2784,34 @@ void x86emuOp_stos_word(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("STOS\tDWORD\n");
- if (ACCESS_FLAG(F_DF)) /* down */
- inc = -4;
- else
- inc = 4;
+ DECODE_PRINTF("STOS\tDWORD\n");
+ if (ACCESS_FLAG(F_DF)) /* down */
+ inc = -4;
+ else
+ inc = 4;
} else {
- DECODE_PRINTF("STOS\tWORD\n");
- if (ACCESS_FLAG(F_DF)) /* down */
- inc = -2;
- else
- inc = 2;
+ DECODE_PRINTF("STOS\tWORD\n");
+ if (ACCESS_FLAG(F_DF)) /* down */
+ inc = -2;
+ else
+ inc = 2;
}
TRACE_AND_STEP();
count = 1;
if (M.x86.mode & (SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE)) {
- /* dont care whether REPE or REPNE */
- /* move them until CX is ZERO. */
- count = M.x86.R_CX;
- M.x86.R_CX = 0;
- M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
+ /* dont care whether REPE or REPNE */
+ /* move them until CX is ZERO. */
+ count = M.x86.R_CX;
+ M.x86.R_CX = 0;
+ M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
}
while (count--) {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- store_data_long_abs(M.x86.R_ES, M.x86.R_DI, M.x86.R_EAX);
- } else {
- store_data_word_abs(M.x86.R_ES, M.x86.R_DI, M.x86.R_AX);
- }
- M.x86.R_DI += inc;
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ store_data_long_abs(M.x86.R_ES, M.x86.R_DI, M.x86.R_EAX);
+ } else {
+ store_data_word_abs(M.x86.R_ES, M.x86.R_DI, M.x86.R_AX);
+ }
+ M.x86.R_DI += inc;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2829,21 +2829,21 @@ void x86emuOp_lods_byte(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("LODS\tBYTE\n");
TRACE_AND_STEP();
if (ACCESS_FLAG(F_DF)) /* down */
- inc = -1;
+ inc = -1;
else
- inc = 1;
+ inc = 1;
if (M.x86.mode & (SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE)) {
- /* dont care whether REPE or REPNE */
- /* move them until CX is ZERO. */
- while (M.x86.R_CX != 0) {
- M.x86.R_AL = fetch_data_byte(M.x86.R_SI);
- M.x86.R_CX -= 1;
- M.x86.R_SI += inc;
- }
- M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
+ /* dont care whether REPE or REPNE */
+ /* move them until CX is ZERO. */
+ while (M.x86.R_CX != 0) {
+ M.x86.R_AL = fetch_data_byte(M.x86.R_SI);
+ M.x86.R_CX -= 1;
+ M.x86.R_SI += inc;
+ }
+ M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
} else {
- M.x86.R_AL = fetch_data_byte(M.x86.R_SI);
- M.x86.R_SI += inc;
+ M.x86.R_AL = fetch_data_byte(M.x86.R_SI);
+ M.x86.R_SI += inc;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2860,34 +2860,34 @@ void x86emuOp_lods_word(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("LODS\tDWORD\n");
- if (ACCESS_FLAG(F_DF)) /* down */
- inc = -4;
- else
- inc = 4;
+ DECODE_PRINTF("LODS\tDWORD\n");
+ if (ACCESS_FLAG(F_DF)) /* down */
+ inc = -4;
+ else
+ inc = 4;
} else {
- DECODE_PRINTF("LODS\tWORD\n");
- if (ACCESS_FLAG(F_DF)) /* down */
- inc = -2;
- else
- inc = 2;
+ DECODE_PRINTF("LODS\tWORD\n");
+ if (ACCESS_FLAG(F_DF)) /* down */
+ inc = -2;
+ else
+ inc = 2;
}
TRACE_AND_STEP();
count = 1;
if (M.x86.mode & (SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE)) {
- /* dont care whether REPE or REPNE */
- /* move them until CX is ZERO. */
- count = M.x86.R_CX;
- M.x86.R_CX = 0;
- M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
+ /* dont care whether REPE or REPNE */
+ /* move them until CX is ZERO. */
+ count = M.x86.R_CX;
+ M.x86.R_CX = 0;
+ M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
}
while (count--) {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- M.x86.R_EAX = fetch_data_long(M.x86.R_SI);
- } else {
- M.x86.R_AX = fetch_data_word(M.x86.R_SI);
- }
- M.x86.R_SI += inc;
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ M.x86.R_EAX = fetch_data_long(M.x86.R_SI);
+ } else {
+ M.x86.R_AX = fetch_data_word(M.x86.R_SI);
+ }
+ M.x86.R_SI += inc;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2906,37 +2906,37 @@ void x86emuOp_scas_byte(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("SCAS\tBYTE\n");
TRACE_AND_STEP();
if (ACCESS_FLAG(F_DF)) /* down */
- inc = -1;
+ inc = -1;
else
- inc = 1;
+ inc = 1;
if (M.x86.mode & SYSMODE_PREFIX_REPE) {
- /* REPE */
- /* move them until CX is ZERO. */
- while (M.x86.R_CX != 0) {
- val2 = fetch_data_byte_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_byte(M.x86.R_AL, val2);
- M.x86.R_CX -= 1;
- M.x86.R_DI += inc;
- if (ACCESS_FLAG(F_ZF) == 0)
- break;
- }
- M.x86.mode &= ~SYSMODE_PREFIX_REPE;
+ /* REPE */
+ /* move them until CX is ZERO. */
+ while (M.x86.R_CX != 0) {
+ val2 = fetch_data_byte_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_byte(M.x86.R_AL, val2);
+ M.x86.R_CX -= 1;
+ M.x86.R_DI += inc;
+ if (ACCESS_FLAG(F_ZF) == 0)
+ break;
+ }
+ M.x86.mode &= ~SYSMODE_PREFIX_REPE;
} else if (M.x86.mode & SYSMODE_PREFIX_REPNE) {
- /* REPNE */
- /* move them until CX is ZERO. */
- while (M.x86.R_CX != 0) {
- val2 = fetch_data_byte_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_byte(M.x86.R_AL, val2);
- M.x86.R_CX -= 1;
- M.x86.R_DI += inc;
- if (ACCESS_FLAG(F_ZF))
- break; /* zero flag set means equal */
- }
- M.x86.mode &= ~SYSMODE_PREFIX_REPNE;
+ /* REPNE */
+ /* move them until CX is ZERO. */
+ while (M.x86.R_CX != 0) {
+ val2 = fetch_data_byte_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_byte(M.x86.R_AL, val2);
+ M.x86.R_CX -= 1;
+ M.x86.R_DI += inc;
+ if (ACCESS_FLAG(F_ZF))
+ break; /* zero flag set means equal */
+ }
+ M.x86.mode &= ~SYSMODE_PREFIX_REPNE;
} else {
- val2 = fetch_data_byte_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_byte(M.x86.R_AL, val2);
- M.x86.R_DI += inc;
+ val2 = fetch_data_byte_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_byte(M.x86.R_AL, val2);
+ M.x86.R_DI += inc;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2953,62 +2953,62 @@ void x86emuOp_scas_word(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("SCAS\tDWORD\n");
- if (ACCESS_FLAG(F_DF)) /* down */
- inc = -4;
- else
- inc = 4;
+ DECODE_PRINTF("SCAS\tDWORD\n");
+ if (ACCESS_FLAG(F_DF)) /* down */
+ inc = -4;
+ else
+ inc = 4;
} else {
- DECODE_PRINTF("SCAS\tWORD\n");
- if (ACCESS_FLAG(F_DF)) /* down */
- inc = -2;
- else
- inc = 2;
+ DECODE_PRINTF("SCAS\tWORD\n");
+ if (ACCESS_FLAG(F_DF)) /* down */
+ inc = -2;
+ else
+ inc = 2;
}
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_REPE) {
- /* REPE */
- /* move them until CX is ZERO. */
- while (M.x86.R_CX != 0) {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- val = fetch_data_long_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_long(M.x86.R_EAX, val);
- } else {
- val = fetch_data_word_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_word(M.x86.R_AX, (u16)val);
- }
- M.x86.R_CX -= 1;
- M.x86.R_DI += inc;
- if (ACCESS_FLAG(F_ZF) == 0)
- break;
- }
- M.x86.mode &= ~SYSMODE_PREFIX_REPE;
+ /* REPE */
+ /* move them until CX is ZERO. */
+ while (M.x86.R_CX != 0) {
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ val = fetch_data_long_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_long(M.x86.R_EAX, val);
+ } else {
+ val = fetch_data_word_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_word(M.x86.R_AX, (u16)val);
+ }
+ M.x86.R_CX -= 1;
+ M.x86.R_DI += inc;
+ if (ACCESS_FLAG(F_ZF) == 0)
+ break;
+ }
+ M.x86.mode &= ~SYSMODE_PREFIX_REPE;
} else if (M.x86.mode & SYSMODE_PREFIX_REPNE) {
- /* REPNE */
- /* move them until CX is ZERO. */
- while (M.x86.R_CX != 0) {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- val = fetch_data_long_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_long(M.x86.R_EAX, val);
- } else {
- val = fetch_data_word_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_word(M.x86.R_AX, (u16)val);
- }
- M.x86.R_CX -= 1;
- M.x86.R_DI += inc;
- if (ACCESS_FLAG(F_ZF))
- break; /* zero flag set means equal */
- }
- M.x86.mode &= ~SYSMODE_PREFIX_REPNE;
+ /* REPNE */
+ /* move them until CX is ZERO. */
+ while (M.x86.R_CX != 0) {
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ val = fetch_data_long_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_long(M.x86.R_EAX, val);
+ } else {
+ val = fetch_data_word_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_word(M.x86.R_AX, (u16)val);
+ }
+ M.x86.R_CX -= 1;
+ M.x86.R_DI += inc;
+ if (ACCESS_FLAG(F_ZF))
+ break; /* zero flag set means equal */
+ }
+ M.x86.mode &= ~SYSMODE_PREFIX_REPNE;
} else {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- val = fetch_data_long_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_long(M.x86.R_EAX, val);
- } else {
- val = fetch_data_word_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_word(M.x86.R_AX, (u16)val);
- }
- M.x86.R_DI += inc;
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ val = fetch_data_long_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_long(M.x86.R_EAX, val);
+ } else {
+ val = fetch_data_word_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_word(M.x86.R_AX, (u16)val);
+ }
+ M.x86.R_DI += inc;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3047,19 +3047,19 @@ void x86emuOp_mov_word_register_IMM(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
DECODE_PRINTF("MOV\t");
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *reg32;
- reg32 = DECODE_RM_LONG_REGISTER(op1);
- srcval = fetch_long_imm();
- DECODE_PRINTF2(",%x\n", srcval);
- TRACE_AND_STEP();
- *reg32 = srcval;
+ u32 *reg32;
+ reg32 = DECODE_RM_LONG_REGISTER(op1);
+ srcval = fetch_long_imm();
+ DECODE_PRINTF2(",%x\n", srcval);
+ TRACE_AND_STEP();
+ *reg32 = srcval;
} else {
- u16 *reg16;
- reg16 = DECODE_RM_WORD_REGISTER(op1);
- srcval = fetch_word_imm();
- DECODE_PRINTF2(",%x\n", srcval);
- TRACE_AND_STEP();
- *reg16 = (u16)srcval;
+ u16 *reg16;
+ reg16 = DECODE_RM_WORD_REGISTER(op1);
+ srcval = fetch_word_imm();
+ DECODE_PRINTF2(",%x\n", srcval);
+ TRACE_AND_STEP();
+ *reg16 = (u16)srcval;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3086,57 +3086,57 @@ void x86emuOp_opcC0_byte_RM_MEM(u8 X86EMU_UNUSED(op1))
FETCH_DECODE_MODRM(mod, rh, rl);
#ifdef DEBUG
if (DEBUG_DECODE()) {
- /* XXX DECODE_PRINTF may be changed to something more
- general, so that it is important to leave the strings
- in the same format, even though the result is that the
- above test is done twice. */
-
- switch (rh) {
- case 0:
- DECODE_PRINTF("ROL\t");
- break;
- case 1:
- DECODE_PRINTF("ROR\t");
- break;
- case 2:
- DECODE_PRINTF("RCL\t");
- break;
- case 3:
- DECODE_PRINTF("RCR\t");
- break;
- case 4:
- DECODE_PRINTF("SHL\t");
- break;
- case 5:
- DECODE_PRINTF("SHR\t");
- break;
- case 6:
- DECODE_PRINTF("SAL\t");
- break;
- case 7:
- DECODE_PRINTF("SAR\t");
- break;
- }
+ /* XXX DECODE_PRINTF may be changed to something more
+ general, so that it is important to leave the strings
+ in the same format, even though the result is that the
+ above test is done twice. */
+
+ switch (rh) {
+ case 0:
+ DECODE_PRINTF("ROL\t");
+ break;
+ case 1:
+ DECODE_PRINTF("ROR\t");
+ break;
+ case 2:
+ DECODE_PRINTF("RCL\t");
+ break;
+ case 3:
+ DECODE_PRINTF("RCR\t");
+ break;
+ case 4:
+ DECODE_PRINTF("SHL\t");
+ break;
+ case 5:
+ DECODE_PRINTF("SHR\t");
+ break;
+ case 6:
+ DECODE_PRINTF("SAL\t");
+ break;
+ case 7:
+ DECODE_PRINTF("SAR\t");
+ break;
+ }
}
#endif
/* know operation, decode the mod byte to find the addressing
mode. */
if (mod < 3) {
- DECODE_PRINTF("BYTE PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- amt = fetch_byte_imm();
- DECODE_PRINTF2(",%x\n", amt);
- destval = fetch_data_byte(destoffset);
- TRACE_AND_STEP();
- destval = (*opcD0_byte_operation[rh]) (destval, amt);
- store_data_byte(destoffset, destval);
- } else { /* register to register */
- destreg = DECODE_RM_BYTE_REGISTER(rl);
- amt = fetch_byte_imm();
- DECODE_PRINTF2(",%x\n", amt);
- TRACE_AND_STEP();
- destval = (*opcD0_byte_operation[rh]) (*destreg, amt);
- *destreg = destval;
+ DECODE_PRINTF("BYTE PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ amt = fetch_byte_imm();
+ DECODE_PRINTF2(",%x\n", amt);
+ destval = fetch_data_byte(destoffset);
+ TRACE_AND_STEP();
+ destval = (*opcD0_byte_operation[rh]) (destval, amt);
+ store_data_byte(destoffset, destval);
+ } else { /* register to register */
+ destreg = DECODE_RM_BYTE_REGISTER(rl);
+ amt = fetch_byte_imm();
+ DECODE_PRINTF2(",%x\n", amt);
+ TRACE_AND_STEP();
+ destval = (*opcD0_byte_operation[rh]) (*destreg, amt);
+ *destreg = destval;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3161,83 +3161,83 @@ void x86emuOp_opcC1_word_RM_MEM(u8 X86EMU_UNUSED(op1))
FETCH_DECODE_MODRM(mod, rh, rl);
#ifdef DEBUG
if (DEBUG_DECODE()) {
- /* XXX DECODE_PRINTF may be changed to something more
- general, so that it is important to leave the strings
- in the same format, even though the result is that the
- above test is done twice. */
-
- switch (rh) {
- case 0:
- DECODE_PRINTF("ROL\t");
- break;
- case 1:
- DECODE_PRINTF("ROR\t");
- break;
- case 2:
- DECODE_PRINTF("RCL\t");
- break;
- case 3:
- DECODE_PRINTF("RCR\t");
- break;
- case 4:
- DECODE_PRINTF("SHL\t");
- break;
- case 5:
- DECODE_PRINTF("SHR\t");
- break;
- case 6:
- DECODE_PRINTF("SAL\t");
- break;
- case 7:
- DECODE_PRINTF("SAR\t");
- break;
- }
+ /* XXX DECODE_PRINTF may be changed to something more
+ general, so that it is important to leave the strings
+ in the same format, even though the result is that the
+ above test is done twice. */
+
+ switch (rh) {
+ case 0:
+ DECODE_PRINTF("ROL\t");
+ break;
+ case 1:
+ DECODE_PRINTF("ROR\t");
+ break;
+ case 2:
+ DECODE_PRINTF("RCL\t");
+ break;
+ case 3:
+ DECODE_PRINTF("RCR\t");
+ break;
+ case 4:
+ DECODE_PRINTF("SHL\t");
+ break;
+ case 5:
+ DECODE_PRINTF("SHR\t");
+ break;
+ case 6:
+ DECODE_PRINTF("SAL\t");
+ break;
+ case 7:
+ DECODE_PRINTF("SAR\t");
+ break;
+ }
}
#endif
/* know operation, decode the mod byte to find the addressing
mode. */
if (mod < 3) {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
-
- DECODE_PRINTF("DWORD PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- amt = fetch_byte_imm();
- DECODE_PRINTF2(",%x\n", amt);
- destval = fetch_data_long(destoffset);
- TRACE_AND_STEP();
- destval = (*opcD1_long_operation[rh]) (destval, amt);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
-
- DECODE_PRINTF("WORD PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- amt = fetch_byte_imm();
- DECODE_PRINTF2(",%x\n", amt);
- destval = fetch_data_word(destoffset);
- TRACE_AND_STEP();
- destval = (*opcD1_word_operation[rh]) (destval, amt);
- store_data_word(destoffset, destval);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- amt = fetch_byte_imm();
- DECODE_PRINTF2(",%x\n", amt);
- TRACE_AND_STEP();
- *destreg = (*opcD1_long_operation[rh]) (*destreg, amt);
- } else {
- u16 *destreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- amt = fetch_byte_imm();
- DECODE_PRINTF2(",%x\n", amt);
- TRACE_AND_STEP();
- *destreg = (*opcD1_word_operation[rh]) (*destreg, amt);
- }
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval;
+
+ DECODE_PRINTF("DWORD PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ amt = fetch_byte_imm();
+ DECODE_PRINTF2(",%x\n", amt);
+ destval = fetch_data_long(destoffset);
+ TRACE_AND_STEP();
+ destval = (*opcD1_long_operation[rh]) (destval, amt);
+ store_data_long(destoffset, destval);
+ } else {
+ u16 destval;
+
+ DECODE_PRINTF("WORD PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ amt = fetch_byte_imm();
+ DECODE_PRINTF2(",%x\n", amt);
+ destval = fetch_data_word(destoffset);
+ TRACE_AND_STEP();
+ destval = (*opcD1_word_operation[rh]) (destval, amt);
+ store_data_word(destoffset, destval);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ amt = fetch_byte_imm();
+ DECODE_PRINTF2(",%x\n", amt);
+ TRACE_AND_STEP();
+ *destreg = (*opcD1_long_operation[rh]) (*destreg, amt);
+ } else {
+ u16 *destreg;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ amt = fetch_byte_imm();
+ DECODE_PRINTF2(",%x\n", amt);
+ TRACE_AND_STEP();
+ *destreg = (*opcD1_word_operation[rh]) (*destreg, amt);
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3292,15 +3292,15 @@ void x86emuOp_les_R_IMM(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("LES\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *dstreg = fetch_data_word(srcoffset);
- M.x86.R_ES = fetch_data_word(srcoffset + 2);
+ dstreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *dstreg = fetch_data_word(srcoffset);
+ M.x86.R_ES = fetch_data_word(srcoffset + 2);
}
- /* else UNDEFINED! register to register */
+ /* else UNDEFINED! register to register */
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3320,13 +3320,13 @@ void x86emuOp_lds_R_IMM(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("LDS\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *dstreg = fetch_data_word(srcoffset);
- M.x86.R_DS = fetch_data_word(srcoffset + 2);
+ dstreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *dstreg = fetch_data_word(srcoffset);
+ M.x86.R_DS = fetch_data_word(srcoffset + 2);
}
/* else UNDEFINED! */
DECODE_CLEAR_SEGOVR();
@@ -3348,22 +3348,22 @@ void x86emuOp_mov_byte_RM_IMM(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("MOV\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (rh != 0) {
- DECODE_PRINTF("ILLEGAL DECODE OF OPCODE c6\n");
- HALT_SYS();
+ DECODE_PRINTF("ILLEGAL DECODE OF OPCODE c6\n");
+ HALT_SYS();
}
if (mod < 3) {
- DECODE_PRINTF("BYTE PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- imm = fetch_byte_imm();
- DECODE_PRINTF2(",%2x\n", imm);
- TRACE_AND_STEP();
- store_data_byte(destoffset, imm);
- } else { /* register to register */
- destreg = DECODE_RM_BYTE_REGISTER(rl);
- imm = fetch_byte_imm();
- DECODE_PRINTF2(",%2x\n", imm);
- TRACE_AND_STEP();
- *destreg = imm;
+ DECODE_PRINTF("BYTE PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ imm = fetch_byte_imm();
+ DECODE_PRINTF2(",%2x\n", imm);
+ TRACE_AND_STEP();
+ store_data_byte(destoffset, imm);
+ } else { /* register to register */
+ destreg = DECODE_RM_BYTE_REGISTER(rl);
+ imm = fetch_byte_imm();
+ DECODE_PRINTF2(",%2x\n", imm);
+ TRACE_AND_STEP();
+ *destreg = imm;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3382,49 +3382,49 @@ void x86emuOp_mov_word_RM_IMM(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("MOV\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (rh != 0) {
- DECODE_PRINTF("ILLEGAL DECODE OF OPCODE 8F\n");
- HALT_SYS();
+ DECODE_PRINTF("ILLEGAL DECODE OF OPCODE 8F\n");
+ HALT_SYS();
}
if (mod < 3) {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 imm;
-
- DECODE_PRINTF("DWORD PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- imm = fetch_long_imm();
- DECODE_PRINTF2(",%x\n", imm);
- TRACE_AND_STEP();
- store_data_long(destoffset, imm);
- } else {
- u16 imm;
-
- DECODE_PRINTF("WORD PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- imm = fetch_word_imm();
- DECODE_PRINTF2(",%x\n", imm);
- TRACE_AND_STEP();
- store_data_word(destoffset, imm);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 imm;
+
+ DECODE_PRINTF("DWORD PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ imm = fetch_long_imm();
+ DECODE_PRINTF2(",%x\n", imm);
+ TRACE_AND_STEP();
+ store_data_long(destoffset, imm);
+ } else {
+ u16 imm;
+
+ DECODE_PRINTF("WORD PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ imm = fetch_word_imm();
+ DECODE_PRINTF2(",%x\n", imm);
+ TRACE_AND_STEP();
+ store_data_word(destoffset, imm);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
u32 *destreg;
u32 imm;
- destreg = DECODE_RM_LONG_REGISTER(rl);
- imm = fetch_long_imm();
- DECODE_PRINTF2(",%x\n", imm);
- TRACE_AND_STEP();
- *destreg = imm;
- } else {
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ imm = fetch_long_imm();
+ DECODE_PRINTF2(",%x\n", imm);
+ TRACE_AND_STEP();
+ *destreg = imm;
+ } else {
u16 *destreg;
u16 imm;
- destreg = DECODE_RM_WORD_REGISTER(rl);
- imm = fetch_word_imm();
- DECODE_PRINTF2(",%x\n", imm);
- TRACE_AND_STEP();
- *destreg = imm;
- }
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ imm = fetch_word_imm();
+ DECODE_PRINTF2(",%x\n", imm);
+ TRACE_AND_STEP();
+ *destreg = imm;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3437,7 +3437,7 @@ Handles opcode 0xc8
void x86emuOp_enter(u8 X86EMU_UNUSED(op1))
{
u16 local,frame_pointer;
- u8 nesting;
+ u8 nesting;
int i;
START_OF_INSTR();
@@ -3449,12 +3449,12 @@ void x86emuOp_enter(u8 X86EMU_UNUSED(op1))
push_word(M.x86.R_BP);
frame_pointer = M.x86.R_SP;
if (nesting > 0) {
- for (i = 1; i < nesting; i++) {
- M.x86.R_BP -= 2;
- push_word(fetch_data_word_abs(M.x86.R_SS, M.x86.R_BP));
- }
- push_word(frame_pointer);
- }
+ for (i = 1; i < nesting; i++) {
+ M.x86.R_BP -= 2;
+ push_word(fetch_data_word_abs(M.x86.R_SS, M.x86.R_BP));
+ }
+ push_word(frame_pointer);
+ }
M.x86.R_BP = frame_pointer;
M.x86.R_SP = (u16)(M.x86.R_SP - local);
DECODE_CLEAR_SEGOVR();
@@ -3529,13 +3529,13 @@ void x86emuOp_int3(u8 X86EMU_UNUSED(op1))
if (_X86EMU_intrTab[3]) {
(*_X86EMU_intrTab[3])(3);
} else {
- push_word((u16)M.x86.R_FLG);
- CLEAR_FLAG(F_IF);
- CLEAR_FLAG(F_TF);
- push_word(M.x86.R_CS);
- M.x86.R_CS = mem_access_word(3 * 4 + 2);
- push_word(M.x86.R_IP);
- M.x86.R_IP = mem_access_word(3 * 4);
+ push_word((u16)M.x86.R_FLG);
+ CLEAR_FLAG(F_IF);
+ CLEAR_FLAG(F_TF);
+ push_word(M.x86.R_CS);
+ M.x86.R_CS = mem_access_word(3 * 4 + 2);
+ push_word(M.x86.R_IP);
+ M.x86.R_IP = mem_access_word(3 * 4);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3559,13 +3559,13 @@ void x86emuOp_int_IMM(u8 X86EMU_UNUSED(op1))
if (_X86EMU_intrTab[intnum]) {
(*_X86EMU_intrTab[intnum])(intnum);
} else {
- push_word((u16)M.x86.R_FLG);
- CLEAR_FLAG(F_IF);
- CLEAR_FLAG(F_TF);
- push_word(M.x86.R_CS);
- M.x86.R_CS = mem_access_word(intnum * 4 + 2);
- push_word(M.x86.R_IP);
- M.x86.R_IP = mem_access_word(intnum * 4);
+ push_word((u16)M.x86.R_FLG);
+ CLEAR_FLAG(F_IF);
+ CLEAR_FLAG(F_TF);
+ push_word(M.x86.R_CS);
+ M.x86.R_CS = mem_access_word(intnum * 4 + 2);
+ push_word(M.x86.R_IP);
+ M.x86.R_IP = mem_access_word(intnum * 4);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3583,18 +3583,18 @@ void x86emuOp_into(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("INTO\n");
TRACE_AND_STEP();
if (ACCESS_FLAG(F_OF)) {
- tmp = mem_access_word(4 * 4 + 2);
+ tmp = mem_access_word(4 * 4 + 2);
if (_X86EMU_intrTab[4]) {
(*_X86EMU_intrTab[4])(4);
- } else {
- push_word((u16)M.x86.R_FLG);
- CLEAR_FLAG(F_IF);
- CLEAR_FLAG(F_TF);
- push_word(M.x86.R_CS);
- M.x86.R_CS = mem_access_word(4 * 4 + 2);
- push_word(M.x86.R_IP);
- M.x86.R_IP = mem_access_word(4 * 4);
- }
+ } else {
+ push_word((u16)M.x86.R_FLG);
+ CLEAR_FLAG(F_IF);
+ CLEAR_FLAG(F_TF);
+ push_word(M.x86.R_CS);
+ M.x86.R_CS = mem_access_word(4 * 4 + 2);
+ push_word(M.x86.R_IP);
+ M.x86.R_IP = mem_access_word(4 * 4);
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3638,54 +3638,54 @@ void x86emuOp_opcD0_byte_RM_1(u8 X86EMU_UNUSED(op1))
FETCH_DECODE_MODRM(mod, rh, rl);
#ifdef DEBUG
if (DEBUG_DECODE()) {
- /* XXX DECODE_PRINTF may be changed to something more
- general, so that it is important to leave the strings
- in the same format, even though the result is that the
- above test is done twice. */
- switch (rh) {
- case 0:
- DECODE_PRINTF("ROL\t");
- break;
- case 1:
- DECODE_PRINTF("ROR\t");
- break;
- case 2:
- DECODE_PRINTF("RCL\t");
- break;
- case 3:
- DECODE_PRINTF("RCR\t");
- break;
- case 4:
- DECODE_PRINTF("SHL\t");
- break;
- case 5:
- DECODE_PRINTF("SHR\t");
- break;
- case 6:
- DECODE_PRINTF("SAL\t");
- break;
- case 7:
- DECODE_PRINTF("SAR\t");
- break;
- }
+ /* XXX DECODE_PRINTF may be changed to something more
+ general, so that it is important to leave the strings
+ in the same format, even though the result is that the
+ above test is done twice. */
+ switch (rh) {
+ case 0:
+ DECODE_PRINTF("ROL\t");
+ break;
+ case 1:
+ DECODE_PRINTF("ROR\t");
+ break;
+ case 2:
+ DECODE_PRINTF("RCL\t");
+ break;
+ case 3:
+ DECODE_PRINTF("RCR\t");
+ break;
+ case 4:
+ DECODE_PRINTF("SHL\t");
+ break;
+ case 5:
+ DECODE_PRINTF("SHR\t");
+ break;
+ case 6:
+ DECODE_PRINTF("SAL\t");
+ break;
+ case 7:
+ DECODE_PRINTF("SAR\t");
+ break;
+ }
}
#endif
/* know operation, decode the mod byte to find the addressing
mode. */
if (mod < 3) {
- DECODE_PRINTF("BYTE PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",1\n");
- destval = fetch_data_byte(destoffset);
- TRACE_AND_STEP();
- destval = (*opcD0_byte_operation[rh]) (destval, 1);
- store_data_byte(destoffset, destval);
- } else { /* register to register */
- destreg = DECODE_RM_BYTE_REGISTER(rl);
- DECODE_PRINTF(",1\n");
- TRACE_AND_STEP();
- destval = (*opcD0_byte_operation[rh]) (*destreg, 1);
- *destreg = destval;
+ DECODE_PRINTF("BYTE PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",1\n");
+ destval = fetch_data_byte(destoffset);
+ TRACE_AND_STEP();
+ destval = (*opcD0_byte_operation[rh]) (destval, 1);
+ store_data_byte(destoffset, destval);
+ } else { /* register to register */
+ destreg = DECODE_RM_BYTE_REGISTER(rl);
+ DECODE_PRINTF(",1\n");
+ TRACE_AND_STEP();
+ destval = (*opcD0_byte_operation[rh]) (*destreg, 1);
+ *destreg = destval;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3709,82 +3709,82 @@ void x86emuOp_opcD1_word_RM_1(u8 X86EMU_UNUSED(op1))
FETCH_DECODE_MODRM(mod, rh, rl);
#ifdef DEBUG
if (DEBUG_DECODE()) {
- /* XXX DECODE_PRINTF may be changed to something more
- general, so that it is important to leave the strings
- in the same format, even though the result is that the
- above test is done twice. */
- switch (rh) {
- case 0:
- DECODE_PRINTF("ROL\t");
- break;
- case 1:
- DECODE_PRINTF("ROR\t");
- break;
- case 2:
- DECODE_PRINTF("RCL\t");
- break;
- case 3:
- DECODE_PRINTF("RCR\t");
- break;
- case 4:
- DECODE_PRINTF("SHL\t");
- break;
- case 5:
- DECODE_PRINTF("SHR\t");
- break;
- case 6:
- DECODE_PRINTF("SAL\t");
- break;
- case 7:
- DECODE_PRINTF("SAR\t");
- break;
- }
+ /* XXX DECODE_PRINTF may be changed to something more
+ general, so that it is important to leave the strings
+ in the same format, even though the result is that the
+ above test is done twice. */
+ switch (rh) {
+ case 0:
+ DECODE_PRINTF("ROL\t");
+ break;
+ case 1:
+ DECODE_PRINTF("ROR\t");
+ break;
+ case 2:
+ DECODE_PRINTF("RCL\t");
+ break;
+ case 3:
+ DECODE_PRINTF("RCR\t");
+ break;
+ case 4:
+ DECODE_PRINTF("SHL\t");
+ break;
+ case 5:
+ DECODE_PRINTF("SHR\t");
+ break;
+ case 6:
+ DECODE_PRINTF("SAL\t");
+ break;
+ case 7:
+ DECODE_PRINTF("SAR\t");
+ break;
+ }
}
#endif
/* know operation, decode the mod byte to find the addressing
mode. */
if (mod < 3) {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
-
- DECODE_PRINTF("DWORD PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",1\n");
- destval = fetch_data_long(destoffset);
- TRACE_AND_STEP();
- destval = (*opcD1_long_operation[rh]) (destval, 1);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
-
- DECODE_PRINTF("WORD PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",1\n");
- destval = fetch_data_word(destoffset);
- TRACE_AND_STEP();
- destval = (*opcD1_word_operation[rh]) (destval, 1);
- store_data_word(destoffset, destval);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval;
+
+ DECODE_PRINTF("DWORD PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",1\n");
+ destval = fetch_data_long(destoffset);
+ TRACE_AND_STEP();
+ destval = (*opcD1_long_operation[rh]) (destval, 1);
+ store_data_long(destoffset, destval);
+ } else {
+ u16 destval;
+
+ DECODE_PRINTF("WORD PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",1\n");
+ destval = fetch_data_word(destoffset);
+ TRACE_AND_STEP();
+ destval = (*opcD1_word_operation[rh]) (destval, 1);
+ store_data_word(destoffset, destval);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
u32 destval;
u32 *destreg;
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",1\n");
- TRACE_AND_STEP();
- destval = (*opcD1_long_operation[rh]) (*destreg, 1);
- *destreg = destval;
- } else {
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF(",1\n");
+ TRACE_AND_STEP();
+ destval = (*opcD1_long_operation[rh]) (*destreg, 1);
+ *destreg = destval;
+ } else {
u16 destval;
u16 *destreg;
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",1\n");
- TRACE_AND_STEP();
- destval = (*opcD1_word_operation[rh]) (*destreg, 1);
- *destreg = destval;
- }
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF(",1\n");
+ TRACE_AND_STEP();
+ destval = (*opcD1_word_operation[rh]) (*destreg, 1);
+ *destreg = destval;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3811,55 +3811,55 @@ void x86emuOp_opcD2_byte_RM_CL(u8 X86EMU_UNUSED(op1))
FETCH_DECODE_MODRM(mod, rh, rl);
#ifdef DEBUG
if (DEBUG_DECODE()) {
- /* XXX DECODE_PRINTF may be changed to something more
- general, so that it is important to leave the strings
- in the same format, even though the result is that the
- above test is done twice. */
- switch (rh) {
- case 0:
- DECODE_PRINTF("ROL\t");
- break;
- case 1:
- DECODE_PRINTF("ROR\t");
- break;
- case 2:
- DECODE_PRINTF("RCL\t");
- break;
- case 3:
- DECODE_PRINTF("RCR\t");
- break;
- case 4:
- DECODE_PRINTF("SHL\t");
- break;
- case 5:
- DECODE_PRINTF("SHR\t");
- break;
- case 6:
- DECODE_PRINTF("SAL\t");
- break;
- case 7:
- DECODE_PRINTF("SAR\t");
- break;
- }
+ /* XXX DECODE_PRINTF may be changed to something more
+ general, so that it is important to leave the strings
+ in the same format, even though the result is that the
+ above test is done twice. */
+ switch (rh) {
+ case 0:
+ DECODE_PRINTF("ROL\t");
+ break;
+ case 1:
+ DECODE_PRINTF("ROR\t");
+ break;
+ case 2:
+ DECODE_PRINTF("RCL\t");
+ break;
+ case 3:
+ DECODE_PRINTF("RCR\t");
+ break;
+ case 4:
+ DECODE_PRINTF("SHL\t");
+ break;
+ case 5:
+ DECODE_PRINTF("SHR\t");
+ break;
+ case 6:
+ DECODE_PRINTF("SAL\t");
+ break;
+ case 7:
+ DECODE_PRINTF("SAR\t");
+ break;
+ }
}
#endif
/* know operation, decode the mod byte to find the addressing
mode. */
amt = M.x86.R_CL;
if (mod < 3) {
- DECODE_PRINTF("BYTE PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",CL\n");
- destval = fetch_data_byte(destoffset);
- TRACE_AND_STEP();
- destval = (*opcD0_byte_operation[rh]) (destval, amt);
- store_data_byte(destoffset, destval);
- } else { /* register to register */
- destreg = DECODE_RM_BYTE_REGISTER(rl);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- destval = (*opcD0_byte_operation[rh]) (*destreg, amt);
- *destreg = destval;
+ DECODE_PRINTF("BYTE PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",CL\n");
+ destval = fetch_data_byte(destoffset);
+ TRACE_AND_STEP();
+ destval = (*opcD0_byte_operation[rh]) (destval, amt);
+ store_data_byte(destoffset, destval);
+ } else { /* register to register */
+ destreg = DECODE_RM_BYTE_REGISTER(rl);
+ DECODE_PRINTF(",CL\n");
+ TRACE_AND_STEP();
+ destval = (*opcD0_byte_operation[rh]) (*destreg, amt);
+ *destreg = destval;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3884,79 +3884,79 @@ void x86emuOp_opcD3_word_RM_CL(u8 X86EMU_UNUSED(op1))
FETCH_DECODE_MODRM(mod, rh, rl);
#ifdef DEBUG
if (DEBUG_DECODE()) {
- /* XXX DECODE_PRINTF may be changed to something more
- general, so that it is important to leave the strings
- in the same format, even though the result is that the
- above test is done twice. */
- switch (rh) {
- case 0:
- DECODE_PRINTF("ROL\t");
- break;
- case 1:
- DECODE_PRINTF("ROR\t");
- break;
- case 2:
- DECODE_PRINTF("RCL\t");
- break;
- case 3:
- DECODE_PRINTF("RCR\t");
- break;
- case 4:
- DECODE_PRINTF("SHL\t");
- break;
- case 5:
- DECODE_PRINTF("SHR\t");
- break;
- case 6:
- DECODE_PRINTF("SAL\t");
- break;
- case 7:
- DECODE_PRINTF("SAR\t");
- break;
- }
+ /* XXX DECODE_PRINTF may be changed to something more
+ general, so that it is important to leave the strings
+ in the same format, even though the result is that the
+ above test is done twice. */
+ switch (rh) {
+ case 0:
+ DECODE_PRINTF("ROL\t");
+ break;
+ case 1:
+ DECODE_PRINTF("ROR\t");
+ break;
+ case 2:
+ DECODE_PRINTF("RCL\t");
+ break;
+ case 3:
+ DECODE_PRINTF("RCR\t");
+ break;
+ case 4:
+ DECODE_PRINTF("SHL\t");
+ break;
+ case 5:
+ DECODE_PRINTF("SHR\t");
+ break;
+ case 6:
+ DECODE_PRINTF("SAL\t");
+ break;
+ case 7:
+ DECODE_PRINTF("SAR\t");
+ break;
+ }
}
#endif
/* know operation, decode the mod byte to find the addressing
mode. */
amt = M.x86.R_CL;
if (mod < 3) {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
-
- DECODE_PRINTF("DWORD PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",CL\n");
- destval = fetch_data_long(destoffset);
- TRACE_AND_STEP();
- destval = (*opcD1_long_operation[rh]) (destval, amt);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
-
- DECODE_PRINTF("WORD PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",CL\n");
- destval = fetch_data_word(destoffset);
- TRACE_AND_STEP();
- destval = (*opcD1_word_operation[rh]) (destval, amt);
- store_data_word(destoffset, destval);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- *destreg = (*opcD1_long_operation[rh]) (*destreg, amt);
- } else {
- u16 *destreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- *destreg = (*opcD1_word_operation[rh]) (*destreg, amt);
- }
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval;
+
+ DECODE_PRINTF("DWORD PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",CL\n");
+ destval = fetch_data_long(destoffset);
+ TRACE_AND_STEP();
+ destval = (*opcD1_long_operation[rh]) (destval, amt);
+ store_data_long(destoffset, destval);
+ } else {
+ u16 destval;
+
+ DECODE_PRINTF("WORD PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",CL\n");
+ destval = fetch_data_word(destoffset);
+ TRACE_AND_STEP();
+ destval = (*opcD1_word_operation[rh]) (destval, amt);
+ store_data_word(destoffset, destval);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF(",CL\n");
+ TRACE_AND_STEP();
+ *destreg = (*opcD1_long_operation[rh]) (*destreg, amt);
+ } else {
+ u16 *destreg;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF(",CL\n");
+ TRACE_AND_STEP();
+ *destreg = (*opcD1_word_operation[rh]) (*destreg, amt);
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3974,9 +3974,9 @@ void x86emuOp_aam(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("AAM\n");
a = fetch_byte_imm(); /* this is a stupid encoding. */
if (a != 10) {
- DECODE_PRINTF("ERROR DECODING AAM\n");
- TRACE_REGS();
- HALT_SYS();
+ DECODE_PRINTF("ERROR DECODING AAM\n");
+ TRACE_REGS();
+ HALT_SYS();
}
TRACE_AND_STEP();
/* note the type change here --- returning AL and AH in AX. */
@@ -4021,7 +4021,7 @@ void x86emuOp_xlat(u8 X86EMU_UNUSED(op1))
END_OF_INSTR();
}
-/* instuctions D8 .. DF are in i87_ops.c */
+/* instuctions D8 .. DF are in i87_ops.c */
/****************************************************************************
REMARKS:
@@ -4038,8 +4038,8 @@ void x86emuOp_loopne(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF2("%04x\n", ip);
TRACE_AND_STEP();
M.x86.R_CX -= 1;
- if (M.x86.R_CX != 0 && !ACCESS_FLAG(F_ZF)) /* CX != 0 and !ZF */
- M.x86.R_IP = ip;
+ if (M.x86.R_CX != 0 && !ACCESS_FLAG(F_ZF)) /* CX != 0 and !ZF */
+ M.x86.R_IP = ip;
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
}
@@ -4059,8 +4059,8 @@ void x86emuOp_loope(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF2("%04x\n", ip);
TRACE_AND_STEP();
M.x86.R_CX -= 1;
- if (M.x86.R_CX != 0 && ACCESS_FLAG(F_ZF)) /* CX != 0 and ZF */
- M.x86.R_IP = ip;
+ if (M.x86.R_CX != 0 && ACCESS_FLAG(F_ZF)) /* CX != 0 and ZF */
+ M.x86.R_IP = ip;
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
}
@@ -4081,7 +4081,7 @@ void x86emuOp_loop(u8 X86EMU_UNUSED(op1))
TRACE_AND_STEP();
M.x86.R_CX -= 1;
if (M.x86.R_CX != 0)
- M.x86.R_IP = ip;
+ M.x86.R_IP = ip;
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
}
@@ -4093,7 +4093,7 @@ Handles opcode 0xe3
void x86emuOp_jcxz(u8 X86EMU_UNUSED(op1))
{
u16 target;
- s8 offset;
+ s8 offset;
/* jump to byte offset if overflow flag is set */
START_OF_INSTR();
@@ -4103,7 +4103,7 @@ void x86emuOp_jcxz(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF2("%x\n", target);
TRACE_AND_STEP();
if (M.x86.R_CX == 0)
- M.x86.R_IP = target;
+ M.x86.R_IP = target;
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
}
@@ -4138,15 +4138,15 @@ void x86emuOp_in_word_AX_IMM(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("IN\t");
port = (u8) fetch_byte_imm();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF2("EAX,%x\n", port);
+ DECODE_PRINTF2("EAX,%x\n", port);
} else {
- DECODE_PRINTF2("AX,%x\n", port);
+ DECODE_PRINTF2("AX,%x\n", port);
}
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- M.x86.R_EAX = (*sys_inl)(port);
+ M.x86.R_EAX = (*sys_inl)(port);
} else {
- M.x86.R_AX = (*sys_inw)(port);
+ M.x86.R_AX = (*sys_inw)(port);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -4182,15 +4182,15 @@ void x86emuOp_out_word_IMM_AX(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("OUT\t");
port = (u8) fetch_byte_imm();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF2("%x,EAX\n", port);
+ DECODE_PRINTF2("%x,EAX\n", port);
} else {
- DECODE_PRINTF2("%x,AX\n", port);
+ DECODE_PRINTF2("%x,AX\n", port);
}
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- (*sys_outl)(port, M.x86.R_EAX);
+ (*sys_outl)(port, M.x86.R_EAX);
} else {
- (*sys_outw)(port, M.x86.R_AX);
+ (*sys_outw)(port, M.x86.R_AX);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -4207,7 +4207,7 @@ void x86emuOp_call_near_IMM(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
DECODE_PRINTF("CALL\t");
ip = (s16) fetch_word_imm();
- ip += (s16) M.x86.R_IP; /* CHECK SIGN */
+ ip += (s16) M.x86.R_IP; /* CHECK SIGN */
DECODE_PRINTF2("%04x\n", ip);
CALL_TRACE(M.x86.saved_cs, M.x86.saved_ip, M.x86.R_CS, ip, "");
TRACE_AND_STEP();
@@ -4299,15 +4299,15 @@ void x86emuOp_in_word_AX_DX(u8 X86EMU_UNUSED(op1))
{
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("IN\tEAX,DX\n");
+ DECODE_PRINTF("IN\tEAX,DX\n");
} else {
- DECODE_PRINTF("IN\tAX,DX\n");
+ DECODE_PRINTF("IN\tAX,DX\n");
}
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- M.x86.R_EAX = (*sys_inl)(M.x86.R_DX);
+ M.x86.R_EAX = (*sys_inl)(M.x86.R_DX);
} else {
- M.x86.R_AX = (*sys_inw)(M.x86.R_DX);
+ M.x86.R_AX = (*sys_inw)(M.x86.R_DX);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -4335,15 +4335,15 @@ void x86emuOp_out_word_DX_AX(u8 X86EMU_UNUSED(op1))
{
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("OUT\tDX,EAX\n");
+ DECODE_PRINTF("OUT\tDX,EAX\n");
} else {
- DECODE_PRINTF("OUT\tDX,AX\n");
+ DECODE_PRINTF("OUT\tDX,AX\n");
}
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- (*sys_outl)(M.x86.R_DX, M.x86.R_EAX);
+ (*sys_outl)(M.x86.R_DX, M.x86.R_EAX);
} else {
- (*sys_outw)(M.x86.R_DX, M.x86.R_AX);
+ (*sys_outw)(M.x86.R_DX, M.x86.R_AX);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -4438,100 +4438,100 @@ void x86emuOp_opcF6_byte_RM(u8 X86EMU_UNUSED(op1))
FETCH_DECODE_MODRM(mod, rh, rl);
DECODE_PRINTF(opF6_names[rh]);
if (mod < 3) {
- DECODE_PRINTF("BYTE PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- destval = fetch_data_byte(destoffset);
-
- switch (rh) {
- case 0: /* test byte imm */
- DECODE_PRINTF(",");
- srcval = fetch_byte_imm();
- DECODE_PRINTF2("%02x\n", srcval);
- TRACE_AND_STEP();
- test_byte(destval, srcval);
- break;
- case 1:
- DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
- HALT_SYS();
- break;
- case 2:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- destval = not_byte(destval);
- store_data_byte(destoffset, destval);
- break;
- case 3:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- destval = neg_byte(destval);
- store_data_byte(destoffset, destval);
- break;
- case 4:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- mul_byte(destval);
- break;
- case 5:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- imul_byte(destval);
- break;
- case 6:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- div_byte(destval);
- break;
- default:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- idiv_byte(destval);
- break;
- }
- } else { /* mod=11 */
- destreg = DECODE_RM_BYTE_REGISTER(rl);
- switch (rh) {
- case 0: /* test byte imm */
- DECODE_PRINTF(",");
- srcval = fetch_byte_imm();
- DECODE_PRINTF2("%02x\n", srcval);
- TRACE_AND_STEP();
- test_byte(*destreg, srcval);
- break;
- case 1:
- DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
- HALT_SYS();
- break;
- case 2:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = not_byte(*destreg);
- break;
- case 3:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = neg_byte(*destreg);
- break;
- case 4:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- mul_byte(*destreg); /*!!! */
- break;
- case 5:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- imul_byte(*destreg);
- break;
- case 6:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- div_byte(*destreg);
- break;
- default:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- idiv_byte(*destreg);
- break;
- }
+ DECODE_PRINTF("BYTE PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ destval = fetch_data_byte(destoffset);
+
+ switch (rh) {
+ case 0: /* test byte imm */
+ DECODE_PRINTF(",");
+ srcval = fetch_byte_imm();
+ DECODE_PRINTF2("%02x\n", srcval);
+ TRACE_AND_STEP();
+ test_byte(destval, srcval);
+ break;
+ case 1:
+ DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
+ HALT_SYS();
+ break;
+ case 2:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ destval = not_byte(destval);
+ store_data_byte(destoffset, destval);
+ break;
+ case 3:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ destval = neg_byte(destval);
+ store_data_byte(destoffset, destval);
+ break;
+ case 4:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ mul_byte(destval);
+ break;
+ case 5:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ imul_byte(destval);
+ break;
+ case 6:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ div_byte(destval);
+ break;
+ default:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ idiv_byte(destval);
+ break;
+ }
+ } else { /* mod=11 */
+ destreg = DECODE_RM_BYTE_REGISTER(rl);
+ switch (rh) {
+ case 0: /* test byte imm */
+ DECODE_PRINTF(",");
+ srcval = fetch_byte_imm();
+ DECODE_PRINTF2("%02x\n", srcval);
+ TRACE_AND_STEP();
+ test_byte(*destreg, srcval);
+ break;
+ case 1:
+ DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
+ HALT_SYS();
+ break;
+ case 2:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = not_byte(*destreg);
+ break;
+ case 3:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = neg_byte(*destreg);
+ break;
+ case 4:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ mul_byte(*destreg); /*!!! */
+ break;
+ case 5:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ imul_byte(*destreg);
+ break;
+ case 6:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ div_byte(*destreg);
+ break;
+ default:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ idiv_byte(*destreg);
+ break;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -4551,213 +4551,213 @@ void x86emuOp_opcF7_word_RM(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF(opF6_names[rh]);
if (mod < 3) {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval, srcval;
-
- DECODE_PRINTF("DWORD PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- destval = fetch_data_long(destoffset);
-
- switch (rh) {
- case 0:
- DECODE_PRINTF(",");
- srcval = fetch_long_imm();
- DECODE_PRINTF2("%x\n", srcval);
- TRACE_AND_STEP();
- test_long(destval, srcval);
- break;
- case 1:
- DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F7\n");
- HALT_SYS();
- break;
- case 2:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- destval = not_long(destval);
- store_data_long(destoffset, destval);
- break;
- case 3:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- destval = neg_long(destval);
- store_data_long(destoffset, destval);
- break;
- case 4:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- mul_long(destval);
- break;
- case 5:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- imul_long(destval);
- break;
- case 6:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- div_long(destval);
- break;
- case 7:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- idiv_long(destval);
- break;
- }
- } else {
- u16 destval, srcval;
-
- DECODE_PRINTF("WORD PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- destval = fetch_data_word(destoffset);
-
- switch (rh) {
- case 0: /* test word imm */
- DECODE_PRINTF(",");
- srcval = fetch_word_imm();
- DECODE_PRINTF2("%x\n", srcval);
- TRACE_AND_STEP();
- test_word(destval, srcval);
- break;
- case 1:
- DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F7\n");
- HALT_SYS();
- break;
- case 2:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- destval = not_word(destval);
- store_data_word(destoffset, destval);
- break;
- case 3:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- destval = neg_word(destval);
- store_data_word(destoffset, destval);
- break;
- case 4:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- mul_word(destval);
- break;
- case 5:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- imul_word(destval);
- break;
- case 6:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- div_word(destval);
- break;
- case 7:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- idiv_word(destval);
- break;
- }
- }
-
- } else { /* mod=11 */
-
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u32 srcval;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
-
- switch (rh) {
- case 0: /* test word imm */
- DECODE_PRINTF(",");
- srcval = fetch_long_imm();
- DECODE_PRINTF2("%x\n", srcval);
- TRACE_AND_STEP();
- test_long(*destreg, srcval);
- break;
- case 1:
- DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
- HALT_SYS();
- break;
- case 2:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = not_long(*destreg);
- break;
- case 3:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = neg_long(*destreg);
- break;
- case 4:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- mul_long(*destreg); /*!!! */
- break;
- case 5:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- imul_long(*destreg);
- break;
- case 6:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- div_long(*destreg);
- break;
- case 7:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- idiv_long(*destreg);
- break;
- }
- } else {
- u16 *destreg;
- u16 srcval;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
-
- switch (rh) {
- case 0: /* test word imm */
- DECODE_PRINTF(",");
- srcval = fetch_word_imm();
- DECODE_PRINTF2("%x\n", srcval);
- TRACE_AND_STEP();
- test_word(*destreg, srcval);
- break;
- case 1:
- DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
- HALT_SYS();
- break;
- case 2:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = not_word(*destreg);
- break;
- case 3:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = neg_word(*destreg);
- break;
- case 4:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- mul_word(*destreg); /*!!! */
- break;
- case 5:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- imul_word(*destreg);
- break;
- case 6:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- div_word(*destreg);
- break;
- case 7:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- idiv_word(*destreg);
- break;
- }
- }
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval, srcval;
+
+ DECODE_PRINTF("DWORD PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ destval = fetch_data_long(destoffset);
+
+ switch (rh) {
+ case 0:
+ DECODE_PRINTF(",");
+ srcval = fetch_long_imm();
+ DECODE_PRINTF2("%x\n", srcval);
+ TRACE_AND_STEP();
+ test_long(destval, srcval);
+ break;
+ case 1:
+ DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F7\n");
+ HALT_SYS();
+ break;
+ case 2:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ destval = not_long(destval);
+ store_data_long(destoffset, destval);
+ break;
+ case 3:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ destval = neg_long(destval);
+ store_data_long(destoffset, destval);
+ break;
+ case 4:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ mul_long(destval);
+ break;
+ case 5:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ imul_long(destval);
+ break;
+ case 6:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ div_long(destval);
+ break;
+ case 7:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ idiv_long(destval);
+ break;
+ }
+ } else {
+ u16 destval, srcval;
+
+ DECODE_PRINTF("WORD PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ destval = fetch_data_word(destoffset);
+
+ switch (rh) {
+ case 0: /* test word imm */
+ DECODE_PRINTF(",");
+ srcval = fetch_word_imm();
+ DECODE_PRINTF2("%x\n", srcval);
+ TRACE_AND_STEP();
+ test_word(destval, srcval);
+ break;
+ case 1:
+ DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F7\n");
+ HALT_SYS();
+ break;
+ case 2:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ destval = not_word(destval);
+ store_data_word(destoffset, destval);
+ break;
+ case 3:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ destval = neg_word(destval);
+ store_data_word(destoffset, destval);
+ break;
+ case 4:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ mul_word(destval);
+ break;
+ case 5:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ imul_word(destval);
+ break;
+ case 6:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ div_word(destval);
+ break;
+ case 7:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ idiv_word(destval);
+ break;
+ }
+ }
+
+ } else { /* mod=11 */
+
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+ u32 srcval;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+
+ switch (rh) {
+ case 0: /* test word imm */
+ DECODE_PRINTF(",");
+ srcval = fetch_long_imm();
+ DECODE_PRINTF2("%x\n", srcval);
+ TRACE_AND_STEP();
+ test_long(*destreg, srcval);
+ break;
+ case 1:
+ DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
+ HALT_SYS();
+ break;
+ case 2:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = not_long(*destreg);
+ break;
+ case 3:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = neg_long(*destreg);
+ break;
+ case 4:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ mul_long(*destreg); /*!!! */
+ break;
+ case 5:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ imul_long(*destreg);
+ break;
+ case 6:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ div_long(*destreg);
+ break;
+ case 7:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ idiv_long(*destreg);
+ break;
+ }
+ } else {
+ u16 *destreg;
+ u16 srcval;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+
+ switch (rh) {
+ case 0: /* test word imm */
+ DECODE_PRINTF(",");
+ srcval = fetch_word_imm();
+ DECODE_PRINTF2("%x\n", srcval);
+ TRACE_AND_STEP();
+ test_word(*destreg, srcval);
+ break;
+ case 1:
+ DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
+ HALT_SYS();
+ break;
+ case 2:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = not_word(*destreg);
+ break;
+ case 3:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = neg_word(*destreg);
+ break;
+ case 4:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ mul_word(*destreg); /*!!! */
+ break;
+ case 5:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ imul_word(*destreg);
+ break;
+ case 6:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ div_word(*destreg);
+ break;
+ case 7:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ idiv_word(*destreg);
+ break;
+ }
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -4869,49 +4869,49 @@ void x86emuOp_opcFE_byte_RM(u8 X86EMU_UNUSED(op1))
FETCH_DECODE_MODRM(mod, rh, rl);
#ifdef DEBUG
if (DEBUG_DECODE()) {
- /* XXX DECODE_PRINTF may be changed to something more
- general, so that it is important to leave the strings
- in the same format, even though the result is that the
- above test is done twice. */
-
- switch (rh) {
- case 0:
- DECODE_PRINTF("INC\t");
- break;
- case 1:
- DECODE_PRINTF("DEC\t");
- break;
- case 2:
- case 3:
- case 4:
- case 5:
- case 6:
- case 7:
- DECODE_PRINTF2("ILLEGAL OP MAJOR OP 0xFE MINOR OP %x \n", mod);
- HALT_SYS();
- break;
- }
+ /* XXX DECODE_PRINTF may be changed to something more
+ general, so that it is important to leave the strings
+ in the same format, even though the result is that the
+ above test is done twice. */
+
+ switch (rh) {
+ case 0:
+ DECODE_PRINTF("INC\t");
+ break;
+ case 1:
+ DECODE_PRINTF("DEC\t");
+ break;
+ case 2:
+ case 3:
+ case 4:
+ case 5:
+ case 6:
+ case 7:
+ DECODE_PRINTF2("ILLEGAL OP MAJOR OP 0xFE MINOR OP %x \n", mod);
+ HALT_SYS();
+ break;
+ }
}
#endif
if (mod < 3) {
- DECODE_PRINTF("BYTE PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF("\n");
- destval = fetch_data_byte(destoffset);
- TRACE_AND_STEP();
- if (rh == 0)
- destval = inc_byte(destval);
- else
- destval = dec_byte(destval);
- store_data_byte(destoffset, destval);
+ DECODE_PRINTF("BYTE PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF("\n");
+ destval = fetch_data_byte(destoffset);
+ TRACE_AND_STEP();
+ if (rh == 0)
+ destval = inc_byte(destval);
+ else
+ destval = dec_byte(destval);
+ store_data_byte(destoffset, destval);
} else {
- destreg = DECODE_RM_BYTE_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- if (rh == 0)
- *destreg = inc_byte(*destreg);
- else
- *destreg = dec_byte(*destreg);
+ destreg = DECODE_RM_BYTE_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ if (rh == 0)
+ *destreg = inc_byte(*destreg);
+ else
+ *destreg = dec_byte(*destreg);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -4933,207 +4933,207 @@ void x86emuOp_opcFF_word_RM(u8 X86EMU_UNUSED(op1))
FETCH_DECODE_MODRM(mod, rh, rl);
#ifdef DEBUG
if (DEBUG_DECODE()) {
- /* XXX DECODE_PRINTF may be changed to something more
- general, so that it is important to leave the strings
- in the same format, even though the result is that the
- above test is done twice. */
-
- switch (rh) {
- case 0:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("INC\tDWORD PTR ");
- } else {
- DECODE_PRINTF("INC\tWORD PTR ");
- }
- break;
- case 1:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("DEC\tDWORD PTR ");
- } else {
- DECODE_PRINTF("DEC\tWORD PTR ");
- }
- break;
- case 2:
- DECODE_PRINTF("CALL\t ");
- break;
- case 3:
- DECODE_PRINTF("CALL\tFAR ");
- break;
- case 4:
- DECODE_PRINTF("JMP\t");
- break;
- case 5:
- DECODE_PRINTF("JMP\tFAR ");
- break;
- case 6:
- DECODE_PRINTF("PUSH\t");
- break;
- case 7:
- DECODE_PRINTF("ILLEGAL DECODING OF OPCODE FF\t");
- HALT_SYS();
- break;
- }
+ /* XXX DECODE_PRINTF may be changed to something more
+ general, so that it is important to leave the strings
+ in the same format, even though the result is that the
+ above test is done twice. */
+
+ switch (rh) {
+ case 0:
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ DECODE_PRINTF("INC\tDWORD PTR ");
+ } else {
+ DECODE_PRINTF("INC\tWORD PTR ");
+ }
+ break;
+ case 1:
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ DECODE_PRINTF("DEC\tDWORD PTR ");
+ } else {
+ DECODE_PRINTF("DEC\tWORD PTR ");
+ }
+ break;
+ case 2:
+ DECODE_PRINTF("CALL\t ");
+ break;
+ case 3:
+ DECODE_PRINTF("CALL\tFAR ");
+ break;
+ case 4:
+ DECODE_PRINTF("JMP\t");
+ break;
+ case 5:
+ DECODE_PRINTF("JMP\tFAR ");
+ break;
+ case 6:
+ DECODE_PRINTF("PUSH\t");
+ break;
+ case 7:
+ DECODE_PRINTF("ILLEGAL DECODING OF OPCODE FF\t");
+ HALT_SYS();
+ break;
+ }
}
#endif
if (mod < 3) {
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF("\n");
- switch (rh) {
- case 0: /* inc word ptr ... */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
-
- destval = fetch_data_long(destoffset);
- TRACE_AND_STEP();
- destval = inc_long(destval);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
-
- destval = fetch_data_word(destoffset);
- TRACE_AND_STEP();
- destval = inc_word(destval);
- store_data_word(destoffset, destval);
- }
- break;
- case 1: /* dec word ptr ... */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
-
- destval = fetch_data_long(destoffset);
- TRACE_AND_STEP();
- destval = dec_long(destval);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
-
- destval = fetch_data_word(destoffset);
- TRACE_AND_STEP();
- destval = dec_word(destval);
- store_data_word(destoffset, destval);
- }
- break;
- case 2: /* call word ptr ... */
- destval = fetch_data_word(destoffset);
- TRACE_AND_STEP();
- push_word(M.x86.R_IP);
- M.x86.R_IP = destval;
- break;
- case 3: /* call far ptr ... */
- destval = fetch_data_word(destoffset);
- destval2 = fetch_data_word(destoffset + 2);
- TRACE_AND_STEP();
- push_word(M.x86.R_CS);
- M.x86.R_CS = destval2;
- push_word(M.x86.R_IP);
- M.x86.R_IP = destval;
- break;
- case 4: /* jmp word ptr ... */
- destval = fetch_data_word(destoffset);
- TRACE_AND_STEP();
- M.x86.R_IP = destval;
- break;
- case 5: /* jmp far ptr ... */
- destval = fetch_data_word(destoffset);
- destval2 = fetch_data_word(destoffset + 2);
- TRACE_AND_STEP();
- M.x86.R_IP = destval;
- M.x86.R_CS = destval2;
- break;
- case 6: /* push word ptr ... */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
-
- destval = fetch_data_long(destoffset);
- TRACE_AND_STEP();
- push_long(destval);
- } else {
- u16 destval;
-
- destval = fetch_data_word(destoffset);
- TRACE_AND_STEP();
- push_word(destval);
- }
- break;
- }
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF("\n");
+ switch (rh) {
+ case 0: /* inc word ptr ... */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval;
+
+ destval = fetch_data_long(destoffset);
+ TRACE_AND_STEP();
+ destval = inc_long(destval);
+ store_data_long(destoffset, destval);
+ } else {
+ u16 destval;
+
+ destval = fetch_data_word(destoffset);
+ TRACE_AND_STEP();
+ destval = inc_word(destval);
+ store_data_word(destoffset, destval);
+ }
+ break;
+ case 1: /* dec word ptr ... */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval;
+
+ destval = fetch_data_long(destoffset);
+ TRACE_AND_STEP();
+ destval = dec_long(destval);
+ store_data_long(destoffset, destval);
+ } else {
+ u16 destval;
+
+ destval = fetch_data_word(destoffset);
+ TRACE_AND_STEP();
+ destval = dec_word(destval);
+ store_data_word(destoffset, destval);
+ }
+ break;
+ case 2: /* call word ptr ... */
+ destval = fetch_data_word(destoffset);
+ TRACE_AND_STEP();
+ push_word(M.x86.R_IP);
+ M.x86.R_IP = destval;
+ break;
+ case 3: /* call far ptr ... */
+ destval = fetch_data_word(destoffset);
+ destval2 = fetch_data_word(destoffset + 2);
+ TRACE_AND_STEP();
+ push_word(M.x86.R_CS);
+ M.x86.R_CS = destval2;
+ push_word(M.x86.R_IP);
+ M.x86.R_IP = destval;
+ break;
+ case 4: /* jmp word ptr ... */
+ destval = fetch_data_word(destoffset);
+ TRACE_AND_STEP();
+ M.x86.R_IP = destval;
+ break;
+ case 5: /* jmp far ptr ... */
+ destval = fetch_data_word(destoffset);
+ destval2 = fetch_data_word(destoffset + 2);
+ TRACE_AND_STEP();
+ M.x86.R_IP = destval;
+ M.x86.R_CS = destval2;
+ break;
+ case 6: /* push word ptr ... */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval;
+
+ destval = fetch_data_long(destoffset);
+ TRACE_AND_STEP();
+ push_long(destval);
+ } else {
+ u16 destval;
+
+ destval = fetch_data_word(destoffset);
+ TRACE_AND_STEP();
+ push_word(destval);
+ }
+ break;
+ }
} else {
- switch (rh) {
- case 0:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = inc_long(*destreg);
- } else {
- u16 *destreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = inc_word(*destreg);
- }
- break;
- case 1:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = dec_long(*destreg);
- } else {
- u16 *destreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = dec_word(*destreg);
- }
- break;
- case 2: /* call word ptr ... */
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- push_word(M.x86.R_IP);
- M.x86.R_IP = *destreg;
- break;
- case 3: /* jmp far ptr ... */
- DECODE_PRINTF("OPERATION UNDEFINED 0XFF \n");
- TRACE_AND_STEP();
- HALT_SYS();
- break;
-
- case 4: /* jmp ... */
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- M.x86.R_IP = (u16) (*destreg);
- break;
- case 5: /* jmp far ptr ... */
- DECODE_PRINTF("OPERATION UNDEFINED 0XFF \n");
- TRACE_AND_STEP();
- HALT_SYS();
- break;
- case 6:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- push_long(*destreg);
- } else {
- u16 *destreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- push_word(*destreg);
- }
- break;
- }
+ switch (rh) {
+ case 0:
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = inc_long(*destreg);
+ } else {
+ u16 *destreg;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = inc_word(*destreg);
+ }
+ break;
+ case 1:
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = dec_long(*destreg);
+ } else {
+ u16 *destreg;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = dec_word(*destreg);
+ }
+ break;
+ case 2: /* call word ptr ... */
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ push_word(M.x86.R_IP);
+ M.x86.R_IP = *destreg;
+ break;
+ case 3: /* jmp far ptr ... */
+ DECODE_PRINTF("OPERATION UNDEFINED 0XFF \n");
+ TRACE_AND_STEP();
+ HALT_SYS();
+ break;
+
+ case 4: /* jmp ... */
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ M.x86.R_IP = (u16) (*destreg);
+ break;
+ case 5: /* jmp far ptr ... */
+ DECODE_PRINTF("OPERATION UNDEFINED 0XFF \n");
+ TRACE_AND_STEP();
+ HALT_SYS();
+ break;
+ case 6:
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ push_long(*destreg);
+ } else {
+ u16 *destreg;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ push_word(*destreg);
+ }
+ break;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
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