/****************************************************************************
* Realmode X86 Emulator Library
*
-* Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved.
+* Copyright (C) 2007 Freescale Semiconductor, Inc.
* Jason Jin <Jason.jin@freescale.com>
*
* Copyright (C) 1991-2004 SciTech Software, Inc.
* calls is especially important; otherwise mistakes in coding an
* "add" would represent a nightmare in maintenance.
*
-* Jason ported this file to u-boot. place all the function pointer in
-* the got2 sector. Removed some opcode.
-*
****************************************************************************/
-#if defined(CONFIG_BIOSEMU)
-
+#include <common.h>
#include "x86emu/x86emui.h"
/*----------------------------- Implementation ----------------------------*/
/* constant arrays to do several instructions in just one function */
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
static char *x86emu_GenOpName[8] = {
"ADD", "OR", "ADC", "SBB", "AND", "SUB", "XOR", "CMP"};
#endif
/* used by several opcodes */
-static u8 (*genop_byte_operation[])(u8 d, u8 s) __attribute__ ((section(".got2"))) =
+static u8 (*genop_byte_operation[])(u8 d, u8 s) =
{
add_byte, /* 00 */
or_byte, /* 01 */
cmp_byte, /* 07 */
};
-static u16 (*genop_word_operation[])(u16 d, u16 s) __attribute__ ((section(".got2"))) =
+static u16 (*genop_word_operation[])(u16 d, u16 s) =
{
add_word, /*00 */
or_word, /*01 */
cmp_word, /*07 */
};
-static u32 (*genop_long_operation[])(u32 d, u32 s) __attribute__ ((section(".got2"))) =
+static u32 (*genop_long_operation[])(u32 d, u32 s) =
{
add_long, /*00 */
or_long, /*01 */
};
/* used by opcodes 80, c0, d0, and d2. */
-static u8(*opcD0_byte_operation[])(u8 d, u8 s) __attribute__ ((section(".got2"))) =
+static u8(*opcD0_byte_operation[])(u8 d, u8 s) =
{
rol_byte,
ror_byte,
};
/* used by opcodes c1, d1, and d3. */
-static u16(*opcD1_word_operation[])(u16 s, u8 d) __attribute__ ((section(".got2"))) =
+static u16(*opcD1_word_operation[])(u16 s, u8 d) =
{
rol_word,
ror_word,
};
/* used by opcodes c1, d1, and d3. */
-static u32 (*opcD1_long_operation[])(u32 s, u8 d) __attribute__ ((section(".got2"))) =
+static u32 (*opcD1_long_operation[])(u32 s, u8 d) =
{
rol_long,
ror_long,
sar_long,
};
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
static char *opF6_names[8] =
{ "TEST\t", "", "NOT\t", "NEG\t", "MUL\t", "IMUL\t", "DIV\t", "IDIV\t" };
{
START_OF_INSTR();
if (M.x86.R_SP != 0) {
- DECODE_PRINTF("ILLEGAL X86 OPCODE\n");
+ ERR_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));
*/
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (DEBUG_DECODE()) {
/* XXX DECODE_PRINTF may be changed to something more
general, so that it is important to leave the strings
*/
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (DEBUG_DECODE()) {
/* XXX DECODE_PRINTF may be changed to something more
general, so that it is important to leave the strings
*/
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (DEBUG_DECODE()) {
/* XXX DECODE_PRINTF may be changed to something more
general, so that it is important to leave the strings
*/
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (DEBUG_DECODE()) {
/* XXX DECODE_PRINTF may be changed to something more
general, so that it is important to leave the strings
DECODE_PRINTF("POP\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (rh != 0) {
- DECODE_PRINTF("ILLEGAL DECODE OF OPCODE 8F\n");
+ ERR_PRINTF("ILLEGAL DECODE OF OPCODE 8F\n");
HALT_SYS();
}
if (mod < 3) {
*/
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (DEBUG_DECODE()) {
/* XXX DECODE_PRINTF may be changed to something more
general, so that it is important to leave the strings
*/
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (DEBUG_DECODE()) {
/* XXX DECODE_PRINTF may be changed to something more
general, so that it is important to leave the strings
DECODE_PRINTF("MOV\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (rh != 0) {
- DECODE_PRINTF("ILLEGAL DECODE OF OPCODE c6\n");
+ ERR_PRINTF("ILLEGAL DECODE OF OPCODE c6\n");
HALT_SYS();
}
if (mod < 3) {
DECODE_PRINTF("MOV\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (rh != 0) {
- DECODE_PRINTF("ILLEGAL DECODE OF OPCODE 8F\n");
+ ERR_PRINTF("ILLEGAL DECODE OF OPCODE 8F\n");
HALT_SYS();
}
if (mod < 3) {
****************************************************************************/
void x86emuOp_int3(u8 X86EMU_UNUSED(op1))
{
- u16 tmp;
-
START_OF_INSTR();
DECODE_PRINTF("INT 3\n");
- tmp = (u16) mem_access_word(3 * 4 + 2);
+ (void)mem_access_word(3 * 4 + 2);
/* access the segment register */
TRACE_AND_STEP();
if (_X86EMU_intrTab[3]) {
****************************************************************************/
void x86emuOp_int_IMM(u8 X86EMU_UNUSED(op1))
{
- u16 tmp;
u8 intnum;
START_OF_INSTR();
DECODE_PRINTF("INT\t");
intnum = fetch_byte_imm();
DECODE_PRINTF2("%x\n", intnum);
- tmp = mem_access_word(intnum * 4 + 2);
+ (void)mem_access_word(intnum * 4 + 2);
TRACE_AND_STEP();
if (_X86EMU_intrTab[intnum]) {
(*_X86EMU_intrTab[intnum])(intnum);
****************************************************************************/
void x86emuOp_into(u8 X86EMU_UNUSED(op1))
{
- u16 tmp;
-
START_OF_INSTR();
DECODE_PRINTF("INTO\n");
TRACE_AND_STEP();
if (ACCESS_FLAG(F_OF)) {
- tmp = mem_access_word(4 * 4 + 2);
+ (void)mem_access_word(4 * 4 + 2);
if (_X86EMU_intrTab[4]) {
(*_X86EMU_intrTab[4])(4);
} else {
*/
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (DEBUG_DECODE()) {
/* XXX DECODE_PRINTF may be changed to something more
general, so that it is important to leave the strings
*/
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (DEBUG_DECODE()) {
/* XXX DECODE_PRINTF may be changed to something more
general, so that it is important to leave the strings
*/
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (DEBUG_DECODE()) {
/* XXX DECODE_PRINTF may be changed to something more
general, so that it is important to leave the strings
*/
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (DEBUG_DECODE()) {
/* XXX DECODE_PRINTF may be changed to something more
general, so that it is important to leave the strings
DECODE_PRINTF("AAM\n");
a = fetch_byte_imm(); /* this is a stupid encoding. */
if (a != 10) {
- DECODE_PRINTF("ERROR DECODING AAM\n");
+ ERR_PRINTF("ERROR DECODING AAM\n");
TRACE_REGS();
HALT_SYS();
}
****************************************************************************/
void x86emuOp_aad(u8 X86EMU_UNUSED(op1))
{
- u8 a;
-
START_OF_INSTR();
DECODE_PRINTF("AAD\n");
- a = fetch_byte_imm();
+ (void)fetch_byte_imm();
TRACE_AND_STEP();
M.x86.R_AX = aad_word(M.x86.R_AX);
DECODE_CLEAR_SEGOVR();
test_byte(destval, srcval);
break;
case 1:
- DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
+ ERR_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
HALT_SYS();
break;
case 2:
test_byte(*destreg, srcval);
break;
case 1:
- DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
+ ERR_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
HALT_SYS();
break;
case 2:
test_long(destval, srcval);
break;
case 1:
- DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F7\n");
+ ERR_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F7\n");
HALT_SYS();
break;
case 2:
test_word(destval, srcval);
break;
case 1:
- DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F7\n");
+ ERR_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F7\n");
HALT_SYS();
break;
case 2:
test_long(*destreg, srcval);
break;
case 1:
- DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
+ ERR_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
HALT_SYS();
break;
case 2:
test_word(*destreg, srcval);
break;
case 1:
- DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
+ ERR_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
HALT_SYS();
break;
case 2:
/* Yet another special case instruction. */
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (DEBUG_DECODE()) {
/* XXX DECODE_PRINTF may be changed to something more
general, so that it is important to leave the strings
case 5:
case 6:
case 7:
- DECODE_PRINTF2("ILLEGAL OP MAJOR OP 0xFE MINOR OP %x \n", mod);
+ ERR_PRINTF2("ILLEGAL OP MAJOR OP 0xFE MINOR OP %x\n", mod);
HALT_SYS();
break;
}
/* Yet another special case instruction. */
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (DEBUG_DECODE()) {
/* XXX DECODE_PRINTF may be changed to something more
general, so that it is important to leave the strings
DECODE_PRINTF("PUSH\t");
break;
case 7:
- DECODE_PRINTF("ILLEGAL DECODING OF OPCODE FF\t");
+ ERR_PRINTF("ILLEGAL DECODING OF OPCODE FF\t");
HALT_SYS();
break;
}
M.x86.R_IP = *destreg;
break;
case 3: /* jmp far ptr ... */
- DECODE_PRINTF("OPERATION UNDEFINED 0XFF \n");
+ ERR_PRINTF("OPERATION UNDEFINED 0XFF\n");
TRACE_AND_STEP();
HALT_SYS();
break;
M.x86.R_IP = (u16) (*destreg);
break;
case 5: /* jmp far ptr ... */
- DECODE_PRINTF("OPERATION UNDEFINED 0XFF \n");
+ ERR_PRINTF("OPERATION UNDEFINED 0XFF\n");
TRACE_AND_STEP();
HALT_SYS();
break;
/***************************************************************************
* Single byte operation code table:
**************************************************************************/
-void (*x86emu_optab[256])(u8) __attribute__ ((section(".got2"))) =
+void (*x86emu_optab[256])(u8) =
{
/* 0x00 */ x86emuOp_genop_byte_RM_R,
/* 0x01 */ x86emuOp_genop_word_RM_R,
/* 0xfe */ x86emuOp_opcFE_byte_RM,
/* 0xff */ x86emuOp_opcFF_word_RM,
};
-
-#endif