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qemu / qemu / cb63669a54fdd926da7d07768f21f515acd4ad2a / . / target-i386 / translate.c
blob: a24fe60903220867a57fcb67f18223b6c489f16a [file] [log] [blame]
/*
* i386 translation
*
* Copyright (c) 2003 Fabrice Bellard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#include <signal.h>
#include <assert.h>
#include "cpu.h"
#include "exec-all.h"
#include "disas.h"
#include "helper.h"
#include "tcg-op.h"
#define PREFIX_REPZ 0x01
#define PREFIX_REPNZ 0x02
#define PREFIX_LOCK 0x04
#define PREFIX_DATA 0x08
#define PREFIX_ADR 0x10
#ifdef TARGET_X86_64
#define X86_64_ONLY(x) x
#define X86_64_DEF(x...) x
#define CODE64(s) ((s)->code64)
#define REX_X(s) ((s)->rex_x)
#define REX_B(s) ((s)->rex_b)
/* XXX: gcc generates push/pop in some opcodes, so we cannot use them */
#if 1
#define BUGGY_64(x) NULL
#endif
#else
#define X86_64_ONLY(x) NULL
#define X86_64_DEF(x...)
#define CODE64(s) 0
#define REX_X(s) 0
#define REX_B(s) 0
#endif
//#define MACRO_TEST 1
/* global register indexes */
static TCGv cpu_env, cpu_T[2], cpu_A0, cpu_cc_op, cpu_cc_src, cpu_cc_dst;
static TCGv cpu_T3;
/* local register indexes (only used inside old micro ops) */
static TCGv cpu_tmp0, cpu_tmp1_i64, cpu_tmp2_i32, cpu_tmp3_i32, cpu_tmp4, cpu_ptr0, cpu_ptr1;
static TCGv cpu_tmp5, cpu_tmp6;
#ifdef TARGET_X86_64
static int x86_64_hregs;
#endif
typedef struct DisasContext {
/* current insn context */
int override; /* -1 if no override */
int prefix;
int aflag, dflag;
target_ulong pc; /* pc = eip + cs_base */
int is_jmp; /* 1 = means jump (stop translation), 2 means CPU
static state change (stop translation) */
/* current block context */
target_ulong cs_base; /* base of CS segment */
int pe; /* protected mode */
int code32; /* 32 bit code segment */
#ifdef TARGET_X86_64
int lma; /* long mode active */
int code64; /* 64 bit code segment */
int rex_x, rex_b;
#endif
int ss32; /* 32 bit stack segment */
int cc_op; /* current CC operation */
int addseg; /* non zero if either DS/ES/SS have a non zero base */
int f_st; /* currently unused */
int vm86; /* vm86 mode */
int cpl;
int iopl;
int tf; /* TF cpu flag */
int singlestep_enabled; /* "hardware" single step enabled */
int jmp_opt; /* use direct block chaining for direct jumps */
int mem_index; /* select memory access functions */
uint64_t flags; /* all execution flags */
struct TranslationBlock *tb;
int popl_esp_hack; /* for correct popl with esp base handling */
int rip_offset; /* only used in x86_64, but left for simplicity */
int cpuid_features;
int cpuid_ext_features;
int cpuid_ext2_features;
int cpuid_ext3_features;
} DisasContext;
static void gen_eob(DisasContext *s);
static void gen_jmp(DisasContext *s, target_ulong eip);
static void gen_jmp_tb(DisasContext *s, target_ulong eip, int tb_num);
/* i386 arith/logic operations */
enum {
OP_ADDL,
OP_ORL,
OP_ADCL,
OP_SBBL,
OP_ANDL,
OP_SUBL,
OP_XORL,
OP_CMPL,
};
/* i386 shift ops */
enum {
OP_ROL,
OP_ROR,
OP_RCL,
OP_RCR,
OP_SHL,
OP_SHR,
OP_SHL1, /* undocumented */
OP_SAR = 7,
};
enum {
JCC_O,
JCC_B,
JCC_Z,
JCC_BE,
JCC_S,
JCC_P,
JCC_L,
JCC_LE,
};
/* operand size */
enum {
OT_BYTE = 0,
OT_WORD,
OT_LONG,
OT_QUAD,
};
enum {
/* I386 int registers */
OR_EAX, /* MUST be even numbered */
OR_ECX,
OR_EDX,
OR_EBX,
OR_ESP,
OR_EBP,
OR_ESI,
OR_EDI,
OR_TMP0 = 16, /* temporary operand register */
OR_TMP1,
OR_A0, /* temporary register used when doing address evaluation */
};
static inline void gen_op_movl_T0_0(void)
{
tcg_gen_movi_tl(cpu_T[0], 0);
}
static inline void gen_op_movl_T0_im(int32_t val)
{
tcg_gen_movi_tl(cpu_T[0], val);
}
static inline void gen_op_movl_T0_imu(uint32_t val)
{
tcg_gen_movi_tl(cpu_T[0], val);
}
static inline void gen_op_movl_T1_im(int32_t val)
{
tcg_gen_movi_tl(cpu_T[1], val);
}
static inline void gen_op_movl_T1_imu(uint32_t val)
{
tcg_gen_movi_tl(cpu_T[1], val);
}
static inline void gen_op_movl_A0_im(uint32_t val)
{
tcg_gen_movi_tl(cpu_A0, val);
}
#ifdef TARGET_X86_64
static inline void gen_op_movq_A0_im(int64_t val)
{
tcg_gen_movi_tl(cpu_A0, val);
}
#endif
static inline void gen_movtl_T0_im(target_ulong val)
{
tcg_gen_movi_tl(cpu_T[0], val);
}
static inline void gen_movtl_T1_im(target_ulong val)
{
tcg_gen_movi_tl(cpu_T[1], val);
}
static inline void gen_op_andl_T0_ffff(void)
{
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xffff);
}
static inline void gen_op_andl_T0_im(uint32_t val)
{
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], val);
}
static inline void gen_op_movl_T0_T1(void)
{
tcg_gen_mov_tl(cpu_T[0], cpu_T[1]);
}
static inline void gen_op_andl_A0_ffff(void)
{
tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffff);
}
#ifdef TARGET_X86_64
#define NB_OP_SIZES 4
#else /* !TARGET_X86_64 */
#define NB_OP_SIZES 3
#endif /* !TARGET_X86_64 */
#if defined(WORDS_BIGENDIAN)
#define REG_B_OFFSET (sizeof(target_ulong) - 1)
#define REG_H_OFFSET (sizeof(target_ulong) - 2)
#define REG_W_OFFSET (sizeof(target_ulong) - 2)
#define REG_L_OFFSET (sizeof(target_ulong) - 4)
#define REG_LH_OFFSET (sizeof(target_ulong) - 8)
#else
#define REG_B_OFFSET 0
#define REG_H_OFFSET 1
#define REG_W_OFFSET 0
#define REG_L_OFFSET 0
#define REG_LH_OFFSET 4
#endif
static inline void gen_op_mov_reg_TN(int ot, int t_index, int reg)
{
switch(ot) {
case OT_BYTE:
if (reg < 4 X86_64_DEF( || reg >= 8 || x86_64_hregs)) {
tcg_gen_st8_tl(cpu_T[t_index], cpu_env, offsetof(CPUState, regs[reg]) + REG_B_OFFSET);
} else {
tcg_gen_st8_tl(cpu_T[t_index], cpu_env, offsetof(CPUState, regs[reg - 4]) + REG_H_OFFSET);
}
break;
case OT_WORD:
tcg_gen_st16_tl(cpu_T[t_index], cpu_env, offsetof(CPUState, regs[reg]) + REG_W_OFFSET);
break;
#ifdef TARGET_X86_64
case OT_LONG:
tcg_gen_st32_tl(cpu_T[t_index], cpu_env, offsetof(CPUState, regs[reg]) + REG_L_OFFSET);
/* high part of register set to zero */
tcg_gen_movi_tl(cpu_tmp0, 0);
tcg_gen_st32_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]) + REG_LH_OFFSET);
break;
default:
case OT_QUAD:
tcg_gen_st_tl(cpu_T[t_index], cpu_env, offsetof(CPUState, regs[reg]));
break;
#else
default:
case OT_LONG:
tcg_gen_st32_tl(cpu_T[t_index], cpu_env, offsetof(CPUState, regs[reg]) + REG_L_OFFSET);
break;
#endif
}
}
static inline void gen_op_mov_reg_T0(int ot, int reg)
{
gen_op_mov_reg_TN(ot, 0, reg);
}
static inline void gen_op_mov_reg_T1(int ot, int reg)
{
gen_op_mov_reg_TN(ot, 1, reg);
}
static inline void gen_op_mov_reg_A0(int size, int reg)
{
switch(size) {
case 0:
tcg_gen_st16_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg]) + REG_W_OFFSET);
break;
#ifdef TARGET_X86_64
case 1:
tcg_gen_st32_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg]) + REG_L_OFFSET);
/* high part of register set to zero */
tcg_gen_movi_tl(cpu_tmp0, 0);
tcg_gen_st32_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]) + REG_LH_OFFSET);
break;
default:
case 2:
tcg_gen_st_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg]));
break;
#else
default:
case 1:
tcg_gen_st32_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg]) + REG_L_OFFSET);
break;
#endif
}
}
static inline void gen_op_mov_TN_reg(int ot, int t_index, int reg)
{
switch(ot) {
case OT_BYTE:
if (reg < 4 X86_64_DEF( || reg >= 8 || x86_64_hregs)) {
goto std_case;
} else {
tcg_gen_ld8u_tl(cpu_T[t_index], cpu_env, offsetof(CPUState, regs[reg - 4]) + REG_H_OFFSET);
}
break;
default:
std_case:
tcg_gen_ld_tl(cpu_T[t_index], cpu_env, offsetof(CPUState, regs[reg]));
break;
}
}
static inline void gen_op_movl_A0_reg(int reg)
{
tcg_gen_ld32u_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg]) + REG_L_OFFSET);
}
static inline void gen_op_addl_A0_im(int32_t val)
{
tcg_gen_addi_tl(cpu_A0, cpu_A0, val);
#ifdef TARGET_X86_64
tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffffffff);
#endif
}
#ifdef TARGET_X86_64
static inline void gen_op_addq_A0_im(int64_t val)
{
tcg_gen_addi_tl(cpu_A0, cpu_A0, val);
}
#endif
static void gen_add_A0_im(DisasContext *s, int val)
{
#ifdef TARGET_X86_64
if (CODE64(s))
gen_op_addq_A0_im(val);
else
#endif
gen_op_addl_A0_im(val);
}
static inline void gen_op_addl_T0_T1(void)
{
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
}
static inline void gen_op_jmp_T0(void)
{
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUState, eip));
}
static inline void gen_op_add_reg_im(int size, int reg, int32_t val)
{
switch(size) {
case 0:
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]));
tcg_gen_addi_tl(cpu_tmp0, cpu_tmp0, val);
tcg_gen_st16_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]) + REG_W_OFFSET);
break;
case 1:
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]));
tcg_gen_addi_tl(cpu_tmp0, cpu_tmp0, val);
#ifdef TARGET_X86_64
tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, 0xffffffff);
#endif
tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]));
break;
#ifdef TARGET_X86_64
case 2:
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]));
tcg_gen_addi_tl(cpu_tmp0, cpu_tmp0, val);
tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]));
break;
#endif
}
}
static inline void gen_op_add_reg_T0(int size, int reg)
{
switch(size) {
case 0:
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]));
tcg_gen_add_tl(cpu_tmp0, cpu_tmp0, cpu_T[0]);
tcg_gen_st16_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]) + REG_W_OFFSET);
break;
case 1:
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]));
tcg_gen_add_tl(cpu_tmp0, cpu_tmp0, cpu_T[0]);
#ifdef TARGET_X86_64
tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, 0xffffffff);
#endif
tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]));
break;
#ifdef TARGET_X86_64
case 2:
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]));
tcg_gen_add_tl(cpu_tmp0, cpu_tmp0, cpu_T[0]);
tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]));
break;
#endif
}
}
static inline void gen_op_set_cc_op(int32_t val)
{
tcg_gen_movi_i32(cpu_cc_op, val);
}
static inline void gen_op_addl_A0_reg_sN(int shift, int reg)
{
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]));
if (shift != 0)
tcg_gen_shli_tl(cpu_tmp0, cpu_tmp0, shift);
tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0);
#ifdef TARGET_X86_64
tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffffffff);
#endif
}
static inline void gen_op_movl_A0_seg(int reg)
{
tcg_gen_ld32u_tl(cpu_A0, cpu_env, offsetof(CPUState, segs[reg].base) + REG_L_OFFSET);
}
static inline void gen_op_addl_A0_seg(int reg)
{
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, segs[reg].base));
tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0);
#ifdef TARGET_X86_64
tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffffffff);
#endif
}
#ifdef TARGET_X86_64
static inline void gen_op_movq_A0_seg(int reg)
{
tcg_gen_ld_tl(cpu_A0, cpu_env, offsetof(CPUState, segs[reg].base));
}
static inline void gen_op_addq_A0_seg(int reg)
{
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, segs[reg].base));
tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0);
}
static inline void gen_op_movq_A0_reg(int reg)
{
tcg_gen_ld_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg]));
}
static inline void gen_op_addq_A0_reg_sN(int shift, int reg)
{
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]));
if (shift != 0)
tcg_gen_shli_tl(cpu_tmp0, cpu_tmp0, shift);
tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0);
}
#endif
static inline void gen_op_lds_T0_A0(int idx)
{
int mem_index = (idx >> 2) - 1;
switch(idx & 3) {
case 0:
tcg_gen_qemu_ld8s(cpu_T[0], cpu_A0, mem_index);
break;
case 1:
tcg_gen_qemu_ld16s(cpu_T[0], cpu_A0, mem_index);
break;
default:
case 2:
tcg_gen_qemu_ld32s(cpu_T[0], cpu_A0, mem_index);
break;
}
}
/* sign does not matter, except for lidt/lgdt call (TODO: fix it) */
static inline void gen_op_ld_T0_A0(int idx)
{
int mem_index = (idx >> 2) - 1;
switch(idx & 3) {
case 0:
tcg_gen_qemu_ld8u(cpu_T[0], cpu_A0, mem_index);
break;
case 1:
tcg_gen_qemu_ld16u(cpu_T[0], cpu_A0, mem_index);
break;
case 2:
tcg_gen_qemu_ld32u(cpu_T[0], cpu_A0, mem_index);
break;
default:
case 3:
tcg_gen_qemu_ld64(cpu_T[0], cpu_A0, mem_index);
break;
}
}
static inline void gen_op_ldu_T0_A0(int idx)
{
gen_op_ld_T0_A0(idx);
}
static inline void gen_op_ld_T1_A0(int idx)
{
int mem_index = (idx >> 2) - 1;
switch(idx & 3) {
case 0:
tcg_gen_qemu_ld8u(cpu_T[1], cpu_A0, mem_index);
break;
case 1:
tcg_gen_qemu_ld16u(cpu_T[1], cpu_A0, mem_index);
break;
case 2:
tcg_gen_qemu_ld32u(cpu_T[1], cpu_A0, mem_index);
break;
default:
case 3:
tcg_gen_qemu_ld64(cpu_T[1], cpu_A0, mem_index);
break;
}
}
static inline void gen_op_st_T0_A0(int idx)
{
int mem_index = (idx >> 2) - 1;
switch(idx & 3) {
case 0:
tcg_gen_qemu_st8(cpu_T[0], cpu_A0, mem_index);
break;
case 1:
tcg_gen_qemu_st16(cpu_T[0], cpu_A0, mem_index);
break;
case 2:
tcg_gen_qemu_st32(cpu_T[0], cpu_A0, mem_index);
break;
default:
case 3:
tcg_gen_qemu_st64(cpu_T[0], cpu_A0, mem_index);
break;
}
}
static inline void gen_op_st_T1_A0(int idx)
{
int mem_index = (idx >> 2) - 1;
switch(idx & 3) {
case 0:
tcg_gen_qemu_st8(cpu_T[1], cpu_A0, mem_index);
break;
case 1:
tcg_gen_qemu_st16(cpu_T[1], cpu_A0, mem_index);
break;
case 2:
tcg_gen_qemu_st32(cpu_T[1], cpu_A0, mem_index);
break;
default:
case 3:
tcg_gen_qemu_st64(cpu_T[1], cpu_A0, mem_index);
break;
}
}
static inline void gen_jmp_im(target_ulong pc)
{
tcg_gen_movi_tl(cpu_tmp0, pc);
tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, eip));
}
static inline void gen_string_movl_A0_ESI(DisasContext *s)
{
int override;
override = s->override;
#ifdef TARGET_X86_64
if (s->aflag == 2) {
if (override >= 0) {
gen_op_movq_A0_seg(override);
gen_op_addq_A0_reg_sN(0, R_ESI);
} else {
gen_op_movq_A0_reg(R_ESI);
}
} else
#endif
if (s->aflag) {
/* 32 bit address */
if (s->addseg && override < 0)
override = R_DS;
if (override >= 0) {
gen_op_movl_A0_seg(override);
gen_op_addl_A0_reg_sN(0, R_ESI);
} else {
gen_op_movl_A0_reg(R_ESI);
}
} else {
/* 16 address, always override */
if (override < 0)
override = R_DS;
gen_op_movl_A0_reg(R_ESI);
gen_op_andl_A0_ffff();
gen_op_addl_A0_seg(override);
}
}
static inline void gen_string_movl_A0_EDI(DisasContext *s)
{
#ifdef TARGET_X86_64
if (s->aflag == 2) {
gen_op_movq_A0_reg(R_EDI);
} else
#endif
if (s->aflag) {
if (s->addseg) {
gen_op_movl_A0_seg(R_ES);
gen_op_addl_A0_reg_sN(0, R_EDI);
} else {
gen_op_movl_A0_reg(R_EDI);
}
} else {
gen_op_movl_A0_reg(R_EDI);
gen_op_andl_A0_ffff();
gen_op_addl_A0_seg(R_ES);
}
}
static inline void gen_op_movl_T0_Dshift(int ot)
{
tcg_gen_ld32s_tl(cpu_T[0], cpu_env, offsetof(CPUState, df));
tcg_gen_shli_tl(cpu_T[0], cpu_T[0], ot);
};
static void gen_extu(int ot, TCGv reg)
{
switch(ot) {
case OT_BYTE:
tcg_gen_ext8u_tl(reg, reg);
break;
case OT_WORD:
tcg_gen_ext16u_tl(reg, reg);
break;
case OT_LONG:
tcg_gen_ext32u_tl(reg, reg);
break;
default:
break;
}
}
static void gen_exts(int ot, TCGv reg)
{
switch(ot) {
case OT_BYTE:
tcg_gen_ext8s_tl(reg, reg);
break;
case OT_WORD:
tcg_gen_ext16s_tl(reg, reg);
break;
case OT_LONG:
tcg_gen_ext32s_tl(reg, reg);
break;
default:
break;
}
}
static inline void gen_op_jnz_ecx(int size, int label1)
{
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[R_ECX]));
gen_extu(size + 1, cpu_tmp0);
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_tmp0, 0, label1);
}
static inline void gen_op_jz_ecx(int size, int label1)
{
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[R_ECX]));
gen_extu(size + 1, cpu_tmp0);
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_tmp0, 0, label1);
}
static void *helper_in_func[3] = {
helper_inb,
helper_inw,
helper_inl,
};
static void *helper_out_func[3] = {
helper_outb,
helper_outw,
helper_outl,
};
static void *gen_check_io_func[3] = {
helper_check_iob,
helper_check_iow,
helper_check_iol,
};
static void gen_check_io(DisasContext *s, int ot, target_ulong cur_eip,
uint32_t svm_flags)
{
int state_saved;
target_ulong next_eip;
state_saved = 0;
if (s->pe && (s->cpl > s->iopl || s->vm86)) {
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_jmp_im(cur_eip);
state_saved = 1;
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
tcg_gen_helper_0_1(gen_check_io_func[ot],
cpu_tmp2_i32);
}
if(s->flags & (1ULL << INTERCEPT_IOIO_PROT)) {
if (!state_saved) {
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_jmp_im(cur_eip);
state_saved = 1;
}
svm_flags |= (1 << (4 + ot));
next_eip = s->pc - s->cs_base;
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
tcg_gen_helper_0_3(helper_svm_check_io,
cpu_tmp2_i32,
tcg_const_i32(svm_flags),
tcg_const_i32(next_eip - cur_eip));
}
}
static inline void gen_movs(DisasContext *s, int ot)
{
gen_string_movl_A0_ESI(s);
gen_op_ld_T0_A0(ot + s->mem_index);
gen_string_movl_A0_EDI(s);
gen_op_st_T0_A0(ot + s->mem_index);
gen_op_movl_T0_Dshift(ot);
gen_op_add_reg_T0(s->aflag, R_ESI);
gen_op_add_reg_T0(s->aflag, R_EDI);
}
static inline void gen_update_cc_op(DisasContext *s)
{
if (s->cc_op != CC_OP_DYNAMIC) {
gen_op_set_cc_op(s->cc_op);
s->cc_op = CC_OP_DYNAMIC;
}
}
static void gen_op_update1_cc(void)
{
tcg_gen_discard_tl(cpu_cc_src);
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
}
static void gen_op_update2_cc(void)
{
tcg_gen_mov_tl(cpu_cc_src, cpu_T[1]);
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
}
static inline void gen_op_cmpl_T0_T1_cc(void)
{
tcg_gen_mov_tl(cpu_cc_src, cpu_T[1]);
tcg_gen_sub_tl(cpu_cc_dst, cpu_T[0], cpu_T[1]);
}
static inline void gen_op_testl_T0_T1_cc(void)
{
tcg_gen_discard_tl(cpu_cc_src);
tcg_gen_and_tl(cpu_cc_dst, cpu_T[0], cpu_T[1]);
}
static void gen_op_update_neg_cc(void)
{
tcg_gen_neg_tl(cpu_cc_src, cpu_T[0]);
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
}
/* compute eflags.C to reg */
static void gen_compute_eflags_c(TCGv reg)
{
#if TCG_TARGET_REG_BITS == 32
tcg_gen_shli_i32(cpu_tmp2_i32, cpu_cc_op, 3);
tcg_gen_addi_i32(cpu_tmp2_i32, cpu_tmp2_i32,
(long)cc_table + offsetof(CCTable, compute_c));
tcg_gen_ld_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0);
tcg_gen_call(&tcg_ctx, cpu_tmp2_i32, TCG_CALL_PURE,
1, &cpu_tmp2_i32, 0, NULL);
#else
tcg_gen_extu_i32_tl(cpu_tmp1_i64, cpu_cc_op);
tcg_gen_shli_i64(cpu_tmp1_i64, cpu_tmp1_i64, 4);
tcg_gen_addi_i64(cpu_tmp1_i64, cpu_tmp1_i64,
(long)cc_table + offsetof(CCTable, compute_c));
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_tmp1_i64, 0);
tcg_gen_call(&tcg_ctx, cpu_tmp1_i64, TCG_CALL_PURE,
1, &cpu_tmp2_i32, 0, NULL);
#endif
tcg_gen_extu_i32_tl(reg, cpu_tmp2_i32);
}
/* compute all eflags to cc_src */
static void gen_compute_eflags(TCGv reg)
{
#if TCG_TARGET_REG_BITS == 32
tcg_gen_shli_i32(cpu_tmp2_i32, cpu_cc_op, 3);
tcg_gen_addi_i32(cpu_tmp2_i32, cpu_tmp2_i32,
(long)cc_table + offsetof(CCTable, compute_all));
tcg_gen_ld_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0);
tcg_gen_call(&tcg_ctx, cpu_tmp2_i32, TCG_CALL_PURE,
1, &cpu_tmp2_i32, 0, NULL);
#else
tcg_gen_extu_i32_tl(cpu_tmp1_i64, cpu_cc_op);
tcg_gen_shli_i64(cpu_tmp1_i64, cpu_tmp1_i64, 4);
tcg_gen_addi_i64(cpu_tmp1_i64, cpu_tmp1_i64,
(long)cc_table + offsetof(CCTable, compute_all));
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_tmp1_i64, 0);
tcg_gen_call(&tcg_ctx, cpu_tmp1_i64, TCG_CALL_PURE,
1, &cpu_tmp2_i32, 0, NULL);
#endif
tcg_gen_extu_i32_tl(reg, cpu_tmp2_i32);
}
static inline void gen_setcc_slow_T0(int op)
{
switch(op) {
case JCC_O:
gen_compute_eflags(cpu_T[0]);
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 11);
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1);
break;
case JCC_B:
gen_compute_eflags_c(cpu_T[0]);
break;
case JCC_Z:
gen_compute_eflags(cpu_T[0]);
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 6);
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1);
break;
case JCC_BE:
gen_compute_eflags(cpu_tmp0);
tcg_gen_shri_tl(cpu_T[0], cpu_tmp0, 6);
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_tmp0);
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1);
break;
case JCC_S:
gen_compute_eflags(cpu_T[0]);
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 7);
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1);
break;
case JCC_P:
gen_compute_eflags(cpu_T[0]);
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 2);
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1);
break;
case JCC_L:
gen_compute_eflags(cpu_tmp0);
tcg_gen_shri_tl(cpu_T[0], cpu_tmp0, 11); /* CC_O */
tcg_gen_shri_tl(cpu_tmp0, cpu_tmp0, 7); /* CC_S */
tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_tmp0);
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1);
break;
default:
case JCC_LE:
gen_compute_eflags(cpu_tmp0);
tcg_gen_shri_tl(cpu_T[0], cpu_tmp0, 11); /* CC_O */
tcg_gen_shri_tl(cpu_tmp4, cpu_tmp0, 7); /* CC_S */
tcg_gen_shri_tl(cpu_tmp0, cpu_tmp0, 6); /* CC_Z */
tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_tmp4);
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_tmp0);
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1);
break;
}
}
/* return true if setcc_slow is not needed (WARNING: must be kept in
sync with gen_jcc1) */
static int is_fast_jcc_case(DisasContext *s, int b)
{
int jcc_op;
jcc_op = (b >> 1) & 7;
switch(s->cc_op) {
/* we optimize the cmp/jcc case */
case CC_OP_SUBB:
case CC_OP_SUBW:
case CC_OP_SUBL:
case CC_OP_SUBQ:
if (jcc_op == JCC_O || jcc_op == JCC_P)
goto slow_jcc;
break;
/* some jumps are easy to compute */
case CC_OP_ADDB:
case CC_OP_ADDW:
case CC_OP_ADDL:
case CC_OP_ADDQ:
case CC_OP_LOGICB:
case CC_OP_LOGICW:
case CC_OP_LOGICL:
case CC_OP_LOGICQ:
case CC_OP_INCB:
case CC_OP_INCW:
case CC_OP_INCL:
case CC_OP_INCQ:
case CC_OP_DECB:
case CC_OP_DECW:
case CC_OP_DECL:
case CC_OP_DECQ:
case CC_OP_SHLB:
case CC_OP_SHLW:
case CC_OP_SHLL:
case CC_OP_SHLQ:
if (jcc_op != JCC_Z && jcc_op != JCC_S)
goto slow_jcc;
break;
default:
slow_jcc:
return 0;
}
return 1;
}
/* generate a conditional jump to label 'l1' according to jump opcode
value 'b'. In the fast case, T0 is guaranted not to be used. */
static inline void gen_jcc1(DisasContext *s, int cc_op, int b, int l1)
{
int inv, jcc_op, size, cond;
TCGv t0;
inv = b & 1;
jcc_op = (b >> 1) & 7;
switch(cc_op) {
/* we optimize the cmp/jcc case */
case CC_OP_SUBB:
case CC_OP_SUBW:
case CC_OP_SUBL:
case CC_OP_SUBQ:
size = cc_op - CC_OP_SUBB;
switch(jcc_op) {
case JCC_Z:
fast_jcc_z:
switch(size) {
case 0:
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0xff);
t0 = cpu_tmp0;
break;
case 1:
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0xffff);
t0 = cpu_tmp0;
break;
#ifdef TARGET_X86_64
case 2:
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0xffffffff);
t0 = cpu_tmp0;
break;
#endif
default:
t0 = cpu_cc_dst;
break;
}
tcg_gen_brcondi_tl(inv ? TCG_COND_NE : TCG_COND_EQ, t0, 0, l1);
break;
case JCC_S:
fast_jcc_s:
switch(size) {
case 0:
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0x80);
tcg_gen_brcondi_tl(inv ? TCG_COND_EQ : TCG_COND_NE, cpu_tmp0,
0, l1);
break;
case 1:
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0x8000);
tcg_gen_brcondi_tl(inv ? TCG_COND_EQ : TCG_COND_NE, cpu_tmp0,
0, l1);
break;
#ifdef TARGET_X86_64
case 2:
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0x80000000);
tcg_gen_brcondi_tl(inv ? TCG_COND_EQ : TCG_COND_NE, cpu_tmp0,
0, l1);
break;
#endif
default:
tcg_gen_brcondi_tl(inv ? TCG_COND_GE : TCG_COND_LT, cpu_cc_dst,
0, l1);
break;
}
break;
case JCC_B:
cond = inv ? TCG_COND_GEU : TCG_COND_LTU;
goto fast_jcc_b;
case JCC_BE:
cond = inv ? TCG_COND_GTU : TCG_COND_LEU;
fast_jcc_b:
tcg_gen_add_tl(cpu_tmp4, cpu_cc_dst, cpu_cc_src);
switch(size) {
case 0:
t0 = cpu_tmp0;
tcg_gen_andi_tl(cpu_tmp4, cpu_tmp4, 0xff);
tcg_gen_andi_tl(t0, cpu_cc_src, 0xff);
break;
case 1:
t0 = cpu_tmp0;
tcg_gen_andi_tl(cpu_tmp4, cpu_tmp4, 0xffff);
tcg_gen_andi_tl(t0, cpu_cc_src, 0xffff);
break;
#ifdef TARGET_X86_64
case 2:
t0 = cpu_tmp0;
tcg_gen_andi_tl(cpu_tmp4, cpu_tmp4, 0xffffffff);
tcg_gen_andi_tl(t0, cpu_cc_src, 0xffffffff);
break;
#endif
default:
t0 = cpu_cc_src;
break;
}
tcg_gen_brcond_tl(cond, cpu_tmp4, t0, l1);
break;
case JCC_L:
cond = inv ? TCG_COND_GE : TCG_COND_LT;
goto fast_jcc_l;
case JCC_LE:
cond = inv ? TCG_COND_GT : TCG_COND_LE;
fast_jcc_l:
tcg_gen_add_tl(cpu_tmp4, cpu_cc_dst, cpu_cc_src);
switch(size) {
case 0:
t0 = cpu_tmp0;
tcg_gen_ext8s_tl(cpu_tmp4, cpu_tmp4);
tcg_gen_ext8s_tl(t0, cpu_cc_src);
break;
case 1:
t0 = cpu_tmp0;
tcg_gen_ext16s_tl(cpu_tmp4, cpu_tmp4);
tcg_gen_ext16s_tl(t0, cpu_cc_src);
break;
#ifdef TARGET_X86_64
case 2:
t0 = cpu_tmp0;
tcg_gen_ext32s_tl(cpu_tmp4, cpu_tmp4);
tcg_gen_ext32s_tl(t0, cpu_cc_src);
break;
#endif
default:
t0 = cpu_cc_src;
break;
}
tcg_gen_brcond_tl(cond, cpu_tmp4, t0, l1);
break;
default:
goto slow_jcc;
}
break;
/* some jumps are easy to compute */
case CC_OP_ADDB:
case CC_OP_ADDW:
case CC_OP_ADDL:
case CC_OP_ADDQ:
case CC_OP_ADCB:
case CC_OP_ADCW:
case CC_OP_ADCL:
case CC_OP_ADCQ:
case CC_OP_SBBB:
case CC_OP_SBBW:
case CC_OP_SBBL:
case CC_OP_SBBQ:
case CC_OP_LOGICB:
case CC_OP_LOGICW:
case CC_OP_LOGICL:
case CC_OP_LOGICQ:
case CC_OP_INCB:
case CC_OP_INCW:
case CC_OP_INCL:
case CC_OP_INCQ:
case CC_OP_DECB:
case CC_OP_DECW:
case CC_OP_DECL:
case CC_OP_DECQ:
case CC_OP_SHLB:
case CC_OP_SHLW:
case CC_OP_SHLL:
case CC_OP_SHLQ:
case CC_OP_SARB:
case CC_OP_SARW:
case CC_OP_SARL:
case CC_OP_SARQ:
switch(jcc_op) {
case JCC_Z:
size = (cc_op - CC_OP_ADDB) & 3;
goto fast_jcc_z;
case JCC_S:
size = (cc_op - CC_OP_ADDB) & 3;
goto fast_jcc_s;
default:
goto slow_jcc;
}
break;
default:
slow_jcc:
gen_setcc_slow_T0(jcc_op);
tcg_gen_brcondi_tl(inv ? TCG_COND_EQ : TCG_COND_NE,
cpu_T[0], 0, l1);
break;
}
}
/* XXX: does not work with gdbstub "ice" single step - not a
serious problem */
static int gen_jz_ecx_string(DisasContext *s, target_ulong next_eip)
{
int l1, l2;
l1 = gen_new_label();
l2 = gen_new_label();
gen_op_jnz_ecx(s->aflag, l1);
gen_set_label(l2);
gen_jmp_tb(s, next_eip, 1);
gen_set_label(l1);
return l2;
}
static inline void gen_stos(DisasContext *s, int ot)
{
gen_op_mov_TN_reg(OT_LONG, 0, R_EAX);
gen_string_movl_A0_EDI(s);
gen_op_st_T0_A0(ot + s->mem_index);
gen_op_movl_T0_Dshift(ot);
gen_op_add_reg_T0(s->aflag, R_EDI);
}
static inline void gen_lods(DisasContext *s, int ot)
{
gen_string_movl_A0_ESI(s);
gen_op_ld_T0_A0(ot + s->mem_index);
gen_op_mov_reg_T0(ot, R_EAX);
gen_op_movl_T0_Dshift(ot);
gen_op_add_reg_T0(s->aflag, R_ESI);
}
static inline void gen_scas(DisasContext *s, int ot)
{
gen_op_mov_TN_reg(OT_LONG, 0, R_EAX);
gen_string_movl_A0_EDI(s);
gen_op_ld_T1_A0(ot + s->mem_index);
gen_op_cmpl_T0_T1_cc();
gen_op_movl_T0_Dshift(ot);
gen_op_add_reg_T0(s->aflag, R_EDI);
}
static inline void gen_cmps(DisasContext *s, int ot)
{
gen_string_movl_A0_ESI(s);
gen_op_ld_T0_A0(ot + s->mem_index);
gen_string_movl_A0_EDI(s);
gen_op_ld_T1_A0(ot + s->mem_index);
gen_op_cmpl_T0_T1_cc();
gen_op_movl_T0_Dshift(ot);
gen_op_add_reg_T0(s->aflag, R_ESI);
gen_op_add_reg_T0(s->aflag, R_EDI);
}
static inline void gen_ins(DisasContext *s, int ot)
{
gen_string_movl_A0_EDI(s);
/* Note: we must do this dummy write first to be restartable in
case of page fault. */
gen_op_movl_T0_0();
gen_op_st_T0_A0(ot + s->mem_index);
gen_op_mov_TN_reg(OT_WORD, 1, R_EDX);
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[1]);
tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff);
tcg_gen_helper_1_1(helper_in_func[ot], cpu_T[0], cpu_tmp2_i32);
gen_op_st_T0_A0(ot + s->mem_index);
gen_op_movl_T0_Dshift(ot);
gen_op_add_reg_T0(s->aflag, R_EDI);
}
static inline void gen_outs(DisasContext *s, int ot)
{
gen_string_movl_A0_ESI(s);
gen_op_ld_T0_A0(ot + s->mem_index);
gen_op_mov_TN_reg(OT_WORD, 1, R_EDX);
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[1]);
tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff);
tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T[0]);
tcg_gen_helper_0_2(helper_out_func[ot], cpu_tmp2_i32, cpu_tmp3_i32);
gen_op_movl_T0_Dshift(ot);
gen_op_add_reg_T0(s->aflag, R_ESI);
}
/* same method as Valgrind : we generate jumps to current or next
instruction */
#define GEN_REPZ(op) \
static inline void gen_repz_ ## op(DisasContext *s, int ot, \
target_ulong cur_eip, target_ulong next_eip) \
{ \
int l2;\
gen_update_cc_op(s); \
l2 = gen_jz_ecx_string(s, next_eip); \
gen_ ## op(s, ot); \
gen_op_add_reg_im(s->aflag, R_ECX, -1); \
/* a loop would cause two single step exceptions if ECX = 1 \
before rep string_insn */ \
if (!s->jmp_opt) \
gen_op_jz_ecx(s->aflag, l2); \
gen_jmp(s, cur_eip); \
}
#define GEN_REPZ2(op) \
static inline void gen_repz_ ## op(DisasContext *s, int ot, \
target_ulong cur_eip, \
target_ulong next_eip, \
int nz) \
{ \
int l2;\
gen_update_cc_op(s); \
l2 = gen_jz_ecx_string(s, next_eip); \
gen_ ## op(s, ot); \
gen_op_add_reg_im(s->aflag, R_ECX, -1); \
gen_op_set_cc_op(CC_OP_SUBB + ot); \
gen_jcc1(s, CC_OP_SUBB + ot, (JCC_Z << 1) | (nz ^ 1), l2); \
if (!s->jmp_opt) \
gen_op_jz_ecx(s->aflag, l2); \
gen_jmp(s, cur_eip); \
}
GEN_REPZ(movs)
GEN_REPZ(stos)
GEN_REPZ(lods)
GEN_REPZ(ins)
GEN_REPZ(outs)
GEN_REPZ2(scas)
GEN_REPZ2(cmps)
static void *helper_fp_arith_ST0_FT0[8] = {
helper_fadd_ST0_FT0,
helper_fmul_ST0_FT0,
helper_fcom_ST0_FT0,
helper_fcom_ST0_FT0,
helper_fsub_ST0_FT0,
helper_fsubr_ST0_FT0,
helper_fdiv_ST0_FT0,
helper_fdivr_ST0_FT0,
};
/* NOTE the exception in "r" op ordering */
static void *helper_fp_arith_STN_ST0[8] = {
helper_fadd_STN_ST0,
helper_fmul_STN_ST0,
NULL,
NULL,
helper_fsubr_STN_ST0,
helper_fsub_STN_ST0,
helper_fdivr_STN_ST0,
helper_fdiv_STN_ST0,
};
/* if d == OR_TMP0, it means memory operand (address in A0) */
static void gen_op(DisasContext *s1, int op, int ot, int d)
{
if (d != OR_TMP0) {
gen_op_mov_TN_reg(ot, 0, d);
} else {
gen_op_ld_T0_A0(ot + s1->mem_index);
}
switch(op) {
case OP_ADCL:
if (s1->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s1->cc_op);
gen_compute_eflags_c(cpu_tmp4);
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_tmp4);
if (d != OR_TMP0)
gen_op_mov_reg_T0(ot, d);
else
gen_op_st_T0_A0(ot + s1->mem_index);
tcg_gen_mov_tl(cpu_cc_src, cpu_T[1]);
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_tmp4);
tcg_gen_shli_i32(cpu_tmp2_i32, cpu_tmp2_i32, 2);
tcg_gen_addi_i32(cpu_cc_op, cpu_tmp2_i32, CC_OP_ADDB + ot);
s1->cc_op = CC_OP_DYNAMIC;
break;
case OP_SBBL:
if (s1->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s1->cc_op);
gen_compute_eflags_c(cpu_tmp4);
tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_tmp4);
if (d != OR_TMP0)
gen_op_mov_reg_T0(ot, d);
else
gen_op_st_T0_A0(ot + s1->mem_index);
tcg_gen_mov_tl(cpu_cc_src, cpu_T[1]);
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_tmp4);
tcg_gen_shli_i32(cpu_tmp2_i32, cpu_tmp2_i32, 2);
tcg_gen_addi_i32(cpu_cc_op, cpu_tmp2_i32, CC_OP_SUBB + ot);
s1->cc_op = CC_OP_DYNAMIC;
break;
case OP_ADDL:
gen_op_addl_T0_T1();
if (d != OR_TMP0)
gen_op_mov_reg_T0(ot, d);
else
gen_op_st_T0_A0(ot + s1->mem_index);
gen_op_update2_cc();
s1->cc_op = CC_OP_ADDB + ot;
break;
case OP_SUBL:
tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
if (d != OR_TMP0)
gen_op_mov_reg_T0(ot, d);
else
gen_op_st_T0_A0(ot + s1->mem_index);
gen_op_update2_cc();
s1->cc_op = CC_OP_SUBB + ot;
break;
default:
case OP_ANDL:
tcg_gen_and_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
if (d != OR_TMP0)
gen_op_mov_reg_T0(ot, d);
else
gen_op_st_T0_A0(ot + s1->mem_index);
gen_op_update1_cc();
s1->cc_op = CC_OP_LOGICB + ot;
break;
case OP_ORL:
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
if (d != OR_TMP0)
gen_op_mov_reg_T0(ot, d);
else
gen_op_st_T0_A0(ot + s1->mem_index);
gen_op_update1_cc();
s1->cc_op = CC_OP_LOGICB + ot;
break;
case OP_XORL:
tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
if (d != OR_TMP0)
gen_op_mov_reg_T0(ot, d);
else
gen_op_st_T0_A0(ot + s1->mem_index);
gen_op_update1_cc();
s1->cc_op = CC_OP_LOGICB + ot;
break;
case OP_CMPL:
gen_op_cmpl_T0_T1_cc();
s1->cc_op = CC_OP_SUBB + ot;
break;
}
}
/* if d == OR_TMP0, it means memory operand (address in A0) */
static void gen_inc(DisasContext *s1, int ot, int d, int c)
{
if (d != OR_TMP0)
gen_op_mov_TN_reg(ot, 0, d);
else
gen_op_ld_T0_A0(ot + s1->mem_index);
if (s1->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s1->cc_op);
if (c > 0) {
tcg_gen_addi_tl(cpu_T[0], cpu_T[0], 1);
s1->cc_op = CC_OP_INCB + ot;
} else {
tcg_gen_addi_tl(cpu_T[0], cpu_T[0], -1);
s1->cc_op = CC_OP_DECB + ot;
}
if (d != OR_TMP0)
gen_op_mov_reg_T0(ot, d);
else
gen_op_st_T0_A0(ot + s1->mem_index);
gen_compute_eflags_c(cpu_cc_src);
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
}
static void gen_shift_rm_T1(DisasContext *s, int ot, int op1,
int is_right, int is_arith)
{
target_ulong mask;
int shift_label;
if (ot == OT_QUAD)
mask = 0x3f;
else
mask = 0x1f;
/* load */
if (op1 == OR_TMP0)
gen_op_ld_T0_A0(ot + s->mem_index);
else
gen_op_mov_TN_reg(ot, 0, op1);
tcg_gen_andi_tl(cpu_T[1], cpu_T[1], mask);
tcg_gen_addi_tl(cpu_tmp5, cpu_T[1], -1);
if (is_right) {
if (is_arith) {
gen_exts(ot, cpu_T[0]);
tcg_gen_sar_tl(cpu_T3, cpu_T[0], cpu_tmp5);
tcg_gen_sar_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
} else {
gen_extu(ot, cpu_T[0]);
tcg_gen_shr_tl(cpu_T3, cpu_T[0], cpu_tmp5);
tcg_gen_shr_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
}
} else {
tcg_gen_shl_tl(cpu_T3, cpu_T[0], cpu_tmp5);
tcg_gen_shl_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
}
/* store */
if (op1 == OR_TMP0)
gen_op_st_T0_A0(ot + s->mem_index);
else
gen_op_mov_reg_T0(ot, op1);
/* update eflags if non zero shift */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
shift_label = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T[1], 0, shift_label);
tcg_gen_mov_tl(cpu_cc_src, cpu_T3);
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
if (is_right)
tcg_gen_movi_i32(cpu_cc_op, CC_OP_SARB + ot);
else
tcg_gen_movi_i32(cpu_cc_op, CC_OP_SHLB + ot);
gen_set_label(shift_label);
s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */
}
static void gen_shift_rm_im(DisasContext *s, int ot, int op1, int op2,
int is_right, int is_arith)
{
int mask;
if (ot == OT_QUAD)
mask = 0x3f;
else
mask = 0x1f;
/* load */
if (op1 == OR_TMP0)
gen_op_ld_T0_A0(ot + s->mem_index);
else
gen_op_mov_TN_reg(ot, 0, op1);
op2 &= mask;
if (op2 != 0) {
if (is_right) {
if (is_arith) {
gen_exts(ot, cpu_T[0]);
tcg_gen_sari_tl(cpu_tmp0, cpu_T[0], op2 - 1);
tcg_gen_sari_tl(cpu_T[0], cpu_T[0], op2);
} else {
gen_extu(ot, cpu_T[0]);
tcg_gen_shri_tl(cpu_tmp0, cpu_T[0], op2 - 1);
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], op2);
}
} else {
tcg_gen_shli_tl(cpu_tmp0, cpu_T[0], op2 - 1);
tcg_gen_shli_tl(cpu_T[0], cpu_T[0], op2);
}
}
/* store */
if (op1 == OR_TMP0)
gen_op_st_T0_A0(ot + s->mem_index);
else
gen_op_mov_reg_T0(ot, op1);
/* update eflags if non zero shift */
if (op2 != 0) {
tcg_gen_mov_tl(cpu_cc_src, cpu_tmp0);
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
if (is_right)
s->cc_op = CC_OP_SARB + ot;
else
s->cc_op = CC_OP_SHLB + ot;
}
}
static inline void tcg_gen_lshift(TCGv ret, TCGv arg1, target_long arg2)
{
if (arg2 >= 0)
tcg_gen_shli_tl(ret, arg1, arg2);
else
tcg_gen_shri_tl(ret, arg1, -arg2);
}
/* XXX: add faster immediate case */
static void gen_rot_rm_T1(DisasContext *s, int ot, int op1,
int is_right)
{
target_ulong mask;
int label1, label2, data_bits;
if (ot == OT_QUAD)
mask = 0x3f;
else
mask = 0x1f;
/* load */
if (op1 == OR_TMP0)
gen_op_ld_T0_A0(ot + s->mem_index);
else
gen_op_mov_TN_reg(ot, 0, op1);
tcg_gen_andi_tl(cpu_T[1], cpu_T[1], mask);
/* Must test zero case to avoid using undefined behaviour in TCG
shifts. */
label1 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T[1], 0, label1);
if (ot <= OT_WORD)
tcg_gen_andi_tl(cpu_tmp0, cpu_T[1], (1 << (3 + ot)) - 1);
else
tcg_gen_mov_tl(cpu_tmp0, cpu_T[1]);
gen_extu(ot, cpu_T[0]);
tcg_gen_mov_tl(cpu_T3, cpu_T[0]);
data_bits = 8 << ot;
/* XXX: rely on behaviour of shifts when operand 2 overflows (XXX:
fix TCG definition) */
if (is_right) {
tcg_gen_shr_tl(cpu_tmp4, cpu_T[0], cpu_tmp0);
tcg_gen_sub_tl(cpu_tmp0, tcg_const_tl(data_bits), cpu_tmp0);
tcg_gen_shl_tl(cpu_T[0], cpu_T[0], cpu_tmp0);
} else {
tcg_gen_shl_tl(cpu_tmp4, cpu_T[0], cpu_tmp0);
tcg_gen_sub_tl(cpu_tmp0, tcg_const_tl(data_bits), cpu_tmp0);
tcg_gen_shr_tl(cpu_T[0], cpu_T[0], cpu_tmp0);
}
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_tmp4);
gen_set_label(label1);
/* store */
if (op1 == OR_TMP0)
gen_op_st_T0_A0(ot + s->mem_index);
else
gen_op_mov_reg_T0(ot, op1);
/* update eflags */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
label2 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T[1], 0, label2);
gen_compute_eflags(cpu_cc_src);
tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, ~(CC_O | CC_C));
tcg_gen_xor_tl(cpu_tmp0, cpu_T3, cpu_T[0]);
tcg_gen_lshift(cpu_tmp0, cpu_tmp0, 11 - (data_bits - 1));
tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, CC_O);
tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, cpu_tmp0);
if (is_right) {
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], data_bits - 1);
}
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], CC_C);
tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, cpu_T[0]);
tcg_gen_discard_tl(cpu_cc_dst);
tcg_gen_movi_i32(cpu_cc_op, CC_OP_EFLAGS);
gen_set_label(label2);
s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */
}
static void *helper_rotc[8] = {
helper_rclb,
helper_rclw,
helper_rcll,
X86_64_ONLY(helper_rclq),
helper_rcrb,
helper_rcrw,
helper_rcrl,
X86_64_ONLY(helper_rcrq),
};
/* XXX: add faster immediate = 1 case */
static void gen_rotc_rm_T1(DisasContext *s, int ot, int op1,
int is_right)
{
int label1;
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
/* load */
if (op1 == OR_TMP0)
gen_op_ld_T0_A0(ot + s->mem_index);
else
gen_op_mov_TN_reg(ot, 0, op1);
tcg_gen_helper_1_2(helper_rotc[ot + (is_right * 4)],
cpu_T[0], cpu_T[0], cpu_T[1]);
/* store */
if (op1 == OR_TMP0)
gen_op_st_T0_A0(ot + s->mem_index);
else
gen_op_mov_reg_T0(ot, op1);
/* update eflags */
label1 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T3, -1, label1);
tcg_gen_mov_tl(cpu_cc_src, cpu_T3);
tcg_gen_discard_tl(cpu_cc_dst);
tcg_gen_movi_i32(cpu_cc_op, CC_OP_EFLAGS);
gen_set_label(label1);
s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */
}
/* XXX: add faster immediate case */
static void gen_shiftd_rm_T1_T3(DisasContext *s, int ot, int op1,
int is_right)
{
int label1, label2, data_bits;
target_ulong mask;
if (ot == OT_QUAD)
mask = 0x3f;
else
mask = 0x1f;
/* load */
if (op1 == OR_TMP0)
gen_op_ld_T0_A0(ot + s->mem_index);
else
gen_op_mov_TN_reg(ot, 0, op1);
tcg_gen_andi_tl(cpu_T3, cpu_T3, mask);
/* Must test zero case to avoid using undefined behaviour in TCG
shifts. */
label1 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T3, 0, label1);
tcg_gen_addi_tl(cpu_tmp5, cpu_T3, -1);
if (ot == OT_WORD) {
/* Note: we implement the Intel behaviour for shift count > 16 */
if (is_right) {
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xffff);
tcg_gen_shli_tl(cpu_tmp0, cpu_T[1], 16);
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_tmp0);
tcg_gen_ext32u_tl(cpu_T[0], cpu_T[0]);
tcg_gen_shr_tl(cpu_tmp4, cpu_T[0], cpu_tmp5);
/* only needed if count > 16, but a test would complicate */
tcg_gen_sub_tl(cpu_tmp5, tcg_const_tl(32), cpu_T3);
tcg_gen_shl_tl(cpu_tmp0, cpu_T[0], cpu_tmp5);
tcg_gen_shr_tl(cpu_T[0], cpu_T[0], cpu_T3);
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_tmp0);
} else {
/* XXX: not optimal */
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xffff);
tcg_gen_shli_tl(cpu_T[1], cpu_T[1], 16);
tcg_gen_or_tl(cpu_T[1], cpu_T[1], cpu_T[0]);
tcg_gen_ext32u_tl(cpu_T[1], cpu_T[1]);
tcg_gen_shl_tl(cpu_tmp4, cpu_T[0], cpu_tmp5);
tcg_gen_sub_tl(cpu_tmp0, tcg_const_tl(32), cpu_tmp5);
tcg_gen_shr_tl(cpu_tmp6, cpu_T[1], cpu_tmp0);
tcg_gen_or_tl(cpu_tmp4, cpu_tmp4, cpu_tmp6);
tcg_gen_shl_tl(cpu_T[0], cpu_T[0], cpu_T3);
tcg_gen_sub_tl(cpu_tmp5, tcg_const_tl(32), cpu_T3);
tcg_gen_shr_tl(cpu_T[1], cpu_T[1], cpu_tmp5);
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
}
} else {
data_bits = 8 << ot;
if (is_right) {
if (ot == OT_LONG)
tcg_gen_ext32u_tl(cpu_T[0], cpu_T[0]);
tcg_gen_shr_tl(cpu_tmp4, cpu_T[0], cpu_tmp5);
tcg_gen_shr_tl(cpu_T[0], cpu_T[0], cpu_T3);
tcg_gen_sub_tl(cpu_tmp5, tcg_const_tl(data_bits), cpu_T3);
tcg_gen_shl_tl(cpu_T[1], cpu_T[1], cpu_tmp5);
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
} else {
if (ot == OT_LONG)
tcg_gen_ext32u_tl(cpu_T[1], cpu_T[1]);
tcg_gen_shl_tl(cpu_tmp4, cpu_T[0], cpu_tmp5);
tcg_gen_shl_tl(cpu_T[0], cpu_T[0], cpu_T3);
tcg_gen_sub_tl(cpu_tmp5, tcg_const_tl(data_bits), cpu_T3);
tcg_gen_shr_tl(cpu_T[1], cpu_T[1], cpu_tmp5);
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
}
}
tcg_gen_mov_tl(cpu_T[1], cpu_tmp4);
gen_set_label(label1);
/* store */
if (op1 == OR_TMP0)
gen_op_st_T0_A0(ot + s->mem_index);
else
gen_op_mov_reg_T0(ot, op1);
/* update eflags */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
label2 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T3, 0, label2);
tcg_gen_mov_tl(cpu_cc_src, cpu_T[1]);
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
if (is_right) {
tcg_gen_movi_i32(cpu_cc_op, CC_OP_SARB + ot);
} else {
tcg_gen_movi_i32(cpu_cc_op, CC_OP_SHLB + ot);
}
gen_set_label(label2);
s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */
}
static void gen_shift(DisasContext *s1, int op, int ot, int d, int s)
{
if (s != OR_TMP1)
gen_op_mov_TN_reg(ot, 1, s);
switch(op) {
case OP_ROL:
gen_rot_rm_T1(s1, ot, d, 0);
break;
case OP_ROR:
gen_rot_rm_T1(s1, ot, d, 1);
break;
case OP_SHL:
case OP_SHL1:
gen_shift_rm_T1(s1, ot, d, 0, 0);
break;
case OP_SHR:
gen_shift_rm_T1(s1, ot, d, 1, 0);
break;
case OP_SAR:
gen_shift_rm_T1(s1, ot, d, 1, 1);
break;
case OP_RCL:
gen_rotc_rm_T1(s1, ot, d, 0);
break;
case OP_RCR:
gen_rotc_rm_T1(s1, ot, d, 1);
break;
}
}
static void gen_shifti(DisasContext *s1, int op, int ot, int d, int c)
{
switch(op) {
case OP_SHL:
case OP_SHL1:
gen_shift_rm_im(s1, ot, d, c, 0, 0);
break;
case OP_SHR:
gen_shift_rm_im(s1, ot, d, c, 1, 0);
break;
case OP_SAR:
gen_shift_rm_im(s1, ot, d, c, 1, 1);
break;
default:
/* currently not optimized */
gen_op_movl_T1_im(c);
gen_shift(s1, op, ot, d, OR_TMP1);
break;
}
}
static void gen_lea_modrm(DisasContext *s, int modrm, int *reg_ptr, int *offset_ptr)
{
target_long disp;
int havesib;
int base;
int index;
int scale;
int opreg;
int mod, rm, code, override, must_add_seg;
override = s->override;
must_add_seg = s->addseg;
if (override >= 0)
must_add_seg = 1;
mod = (modrm >> 6) & 3;
rm = modrm & 7;
if (s->aflag) {
havesib = 0;
base = rm;
index = 0;
scale = 0;
if (base == 4) {
havesib = 1;
code = ldub_code(s->pc++);
scale = (code >> 6) & 3;
index = ((code >> 3) & 7) | REX_X(s);
base = (code & 7);
}
base |= REX_B(s);
switch (mod) {
case 0:
if ((base & 7) == 5) {
base = -1;
disp = (int32_t)ldl_code(s->pc);
s->pc += 4;
if (CODE64(s) && !havesib) {
disp += s->pc + s->rip_offset;
}
} else {
disp = 0;
}
break;
case 1:
disp = (int8_t)ldub_code(s->pc++);
break;
default:
case 2:
disp = ldl_code(s->pc);
s->pc += 4;
break;
}
if (base >= 0) {
/* for correct popl handling with esp */
if (base == 4 && s->popl_esp_hack)
disp += s->popl_esp_hack;
#ifdef TARGET_X86_64
if (s->aflag == 2) {
gen_op_movq_A0_reg(base);
if (disp != 0) {
gen_op_addq_A0_im(disp);
}
} else
#endif
{
gen_op_movl_A0_reg(base);
if (disp != 0)
gen_op_addl_A0_im(disp);
}
} else {
#ifdef TARGET_X86_64
if (s->aflag == 2) {
gen_op_movq_A0_im(disp);
} else
#endif
{
gen_op_movl_A0_im(disp);
}
}
/* XXX: index == 4 is always invalid */
if (havesib && (index != 4 || scale != 0)) {
#ifdef TARGET_X86_64
if (s->aflag == 2) {
gen_op_addq_A0_reg_sN(scale, index);
} else
#endif
{
gen_op_addl_A0_reg_sN(scale, index);
}
}
if (must_add_seg) {
if (override < 0) {
if (base == R_EBP || base == R_ESP)
override = R_SS;
else
override = R_DS;
}
#ifdef TARGET_X86_64
if (s->aflag == 2) {
gen_op_addq_A0_seg(override);
} else
#endif
{
gen_op_addl_A0_seg(override);
}
}
} else {
switch (mod) {
case 0:
if (rm == 6) {
disp = lduw_code(s->pc);
s->pc += 2;
gen_op_movl_A0_im(disp);
rm = 0; /* avoid SS override */
goto no_rm;
} else {
disp = 0;
}
break;
case 1:
disp = (int8_t)ldub_code(s->pc++);
break;
default:
case 2:
disp = lduw_code(s->pc);
s->pc += 2;
break;
}
switch(rm) {
case 0:
gen_op_movl_A0_reg(R_EBX);
gen_op_addl_A0_reg_sN(0, R_ESI);
break;
case 1:
gen_op_movl_A0_reg(R_EBX);
gen_op_addl_A0_reg_sN(0, R_EDI);
break;
case 2:
gen_op_movl_A0_reg(R_EBP);
gen_op_addl_A0_reg_sN(0, R_ESI);
break;
case 3:
gen_op_movl_A0_reg(R_EBP);
gen_op_addl_A0_reg_sN(0, R_EDI);
break;
case 4:
gen_op_movl_A0_reg(R_ESI);
break;
case 5:
gen_op_movl_A0_reg(R_EDI);
break;
case 6:
gen_op_movl_A0_reg(R_EBP);
break;
default:
case 7:
gen_op_movl_A0_reg(R_EBX);
break;
}
if (disp != 0)
gen_op_addl_A0_im(disp);
gen_op_andl_A0_ffff();
no_rm:
if (must_add_seg) {
if (override < 0) {
if (rm == 2 || rm == 3 || rm == 6)
override = R_SS;
else
override = R_DS;
}
gen_op_addl_A0_seg(override);
}
}
opreg = OR_A0;
disp = 0;
*reg_ptr = opreg;
*offset_ptr = disp;
}
static void gen_nop_modrm(DisasContext *s, int modrm)
{
int mod, rm, base, code;
mod = (modrm >> 6) & 3;
if (mod == 3)
return;
rm = modrm & 7;
if (s->aflag) {
base = rm;
if (base == 4) {
code = ldub_code(s->pc++);
base = (code & 7);
}
switch (mod) {
case 0:
if (base == 5) {
s->pc += 4;
}
break;
case 1:
s->pc++;
break;
default:
case 2:
s->pc += 4;
break;
}
} else {
switch (mod) {
case 0:
if (rm == 6) {
s->pc += 2;
}
break;
case 1:
s->pc++;
break;
default:
case 2:
s->pc += 2;
break;
}
}
}
/* used for LEA and MOV AX, mem */
static void gen_add_A0_ds_seg(DisasContext *s)
{
int override, must_add_seg;
must_add_seg = s->addseg;
override = R_DS;
if (s->override >= 0) {
override = s->override;
must_add_seg = 1;
} else {
override = R_DS;
}
if (must_add_seg) {
#ifdef TARGET_X86_64
if (CODE64(s)) {
gen_op_addq_A0_seg(override);
} else
#endif
{
gen_op_addl_A0_seg(override);
}
}
}
/* generate modrm memory load or store of 'reg'. TMP0 is used if reg !=
OR_TMP0 */
static void gen_ldst_modrm(DisasContext *s, int modrm, int ot, int reg, int is_store)
{
int mod, rm, opreg, disp;
mod = (modrm >> 6) & 3;
rm = (modrm & 7) | REX_B(s);
if (mod == 3) {
if (is_store) {
if (reg != OR_TMP0)
gen_op_mov_TN_reg(ot, 0, reg);
gen_op_mov_reg_T0(ot, rm);
} else {
gen_op_mov_TN_reg(ot, 0, rm);
if (reg != OR_TMP0)
gen_op_mov_reg_T0(ot, reg);
}
} else {
gen_lea_modrm(s, modrm, &opreg, &disp);
if (is_store) {
if (reg != OR_TMP0)
gen_op_mov_TN_reg(ot, 0, reg);
gen_op_st_T0_A0(ot + s->mem_index);
} else {
gen_op_ld_T0_A0(ot + s->mem_index);
if (reg != OR_TMP0)
gen_op_mov_reg_T0(ot, reg);
}
}
}
static inline uint32_t insn_get(DisasContext *s, int ot)
{
uint32_t ret;
switch(ot) {
case OT_BYTE:
ret = ldub_code(s->pc);
s->pc++;
break;
case OT_WORD:
ret = lduw_code(s->pc);
s->pc += 2;
break;
default:
case OT_LONG:
ret = ldl_code(s->pc);
s->pc += 4;
break;
}
return ret;
}
static inline int insn_const_size(unsigned int ot)
{
if (ot <= OT_LONG)
return 1 << ot;
else
return 4;
}
static inline void gen_goto_tb(DisasContext *s, int tb_num, target_ulong eip)
{
TranslationBlock *tb;
target_ulong pc;
pc = s->cs_base + eip;
tb = s->tb;
/* NOTE: we handle the case where the TB spans two pages here */
if ((pc & TARGET_PAGE_MASK) == (tb->pc & TARGET_PAGE_MASK) ||
(pc & TARGET_PAGE_MASK) == ((s->pc - 1) & TARGET_PAGE_MASK)) {
/* jump to same page: we can use a direct jump */
tcg_gen_goto_tb(tb_num);
gen_jmp_im(eip);
tcg_gen_exit_tb((long)tb + tb_num);
} else {
/* jump to another page: currently not optimized */
gen_jmp_im(eip);
gen_eob(s);
}
}
static inline void gen_jcc(DisasContext *s, int b,
target_ulong val, target_ulong next_eip)
{
int l1, l2, cc_op;
cc_op = s->cc_op;
if (s->cc_op != CC_OP_DYNAMIC) {
gen_op_set_cc_op(s->cc_op);
s->cc_op = CC_OP_DYNAMIC;
}
if (s->jmp_opt) {
l1 = gen_new_label();
gen_jcc1(s, cc_op, b, l1);
gen_goto_tb(s, 0, next_eip);
gen_set_label(l1);
gen_goto_tb(s, 1, val);
s->is_jmp = 3;
} else {
l1 = gen_new_label();
l2 = gen_new_label();
gen_jcc1(s, cc_op, b, l1);
gen_jmp_im(next_eip);
tcg_gen_br(l2);
gen_set_label(l1);
gen_jmp_im(val);
gen_set_label(l2);
gen_eob(s);
}
}
static void gen_setcc(DisasContext *s, int b)
{
int inv, jcc_op, l1;
if (is_fast_jcc_case(s, b)) {
/* nominal case: we use a jump */
tcg_gen_movi_tl(cpu_T[0], 0);
l1 = gen_new_label();
gen_jcc1(s, s->cc_op, b ^ 1, l1);
tcg_gen_movi_tl(cpu_T[0], 1);
gen_set_label(l1);
} else {
/* slow case: it is more efficient not to generate a jump,
although it is questionnable whether this optimization is
worth to */
inv = b & 1;
jcc_op = (b >> 1) & 7;
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_setcc_slow_T0(jcc_op);
if (inv) {
tcg_gen_xori_tl(cpu_T[0], cpu_T[0], 1);
}
}
}
static inline void gen_op_movl_T0_seg(int seg_reg)
{
tcg_gen_ld32u_tl(cpu_T[0], cpu_env,
offsetof(CPUX86State,segs[seg_reg].selector));
}
static inline void gen_op_movl_seg_T0_vm(int seg_reg)
{
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xffff);
tcg_gen_st32_tl(cpu_T[0], cpu_env,
offsetof(CPUX86State,segs[seg_reg].selector));
tcg_gen_shli_tl(cpu_T[0], cpu_T[0], 4);
tcg_gen_st_tl(cpu_T[0], cpu_env,
offsetof(CPUX86State,segs[seg_reg].base));
}
/* move T0 to seg_reg and compute if the CPU state may change. Never
call this function with seg_reg == R_CS */
static void gen_movl_seg_T0(DisasContext *s, int seg_reg, target_ulong cur_eip)
{
if (s->pe && !s->vm86) {
/* XXX: optimize by finding processor state dynamically */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_jmp_im(cur_eip);
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
tcg_gen_helper_0_2(helper_load_seg, tcg_const_i32(seg_reg), cpu_tmp2_i32);
/* abort translation because the addseg value may change or
because ss32 may change. For R_SS, translation must always
stop as a special handling must be done to disable hardware
interrupts for the next instruction */
if (seg_reg == R_SS || (s->code32 && seg_reg < R_FS))
s->is_jmp = 3;
} else {
gen_op_movl_seg_T0_vm(seg_reg);
if (seg_reg == R_SS)
s->is_jmp = 3;
}
}
static inline int svm_is_rep(int prefixes)
{
return ((prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) ? 8 : 0);
}
static inline int
gen_svm_check_intercept_param(DisasContext *s, target_ulong pc_start,
uint32_t type, uint64_t param)
{
if(!(s->flags & (INTERCEPT_SVM_MASK)))
/* no SVM activated */
return 0;
switch(type) {
/* CRx and DRx reads/writes */
case SVM_EXIT_READ_CR0 ... SVM_EXIT_EXCP_BASE - 1:
if (s->cc_op != CC_OP_DYNAMIC) {
gen_op_set_cc_op(s->cc_op);
}
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_2(helper_svm_check_intercept_param,
tcg_const_i32(type), tcg_const_i64(param));
/* this is a special case as we do not know if the interception occurs
so we assume there was none */
return 0;
case SVM_EXIT_MSR:
if(s->flags & (1ULL << INTERCEPT_MSR_PROT)) {
if (s->cc_op != CC_OP_DYNAMIC) {
gen_op_set_cc_op(s->cc_op);
}
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_2(helper_svm_check_intercept_param,
tcg_const_i32(type), tcg_const_i64(param));
/* this is a special case as we do not know if the interception occurs
so we assume there was none */
return 0;
}
break;
default:
if(s->flags & (1ULL << ((type - SVM_EXIT_INTR) + INTERCEPT_INTR))) {
if (s->cc_op != CC_OP_DYNAMIC) {
gen_op_set_cc_op(s->cc_op);
}
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_2(helper_vmexit,
tcg_const_i32(type), tcg_const_i64(param));
/* we can optimize this one so TBs don't get longer
than up to vmexit */
gen_eob(s);
return 1;
}
}
return 0;
}
static inline int
gen_svm_check_intercept(DisasContext *s, target_ulong pc_start, uint64_t type)
{
return gen_svm_check_intercept_param(s, pc_start, type, 0);
}
static inline void gen_stack_update(DisasContext *s, int addend)
{
#ifdef TARGET_X86_64
if (CODE64(s)) {
gen_op_add_reg_im(2, R_ESP, addend);
} else
#endif
if (s->ss32) {
gen_op_add_reg_im(1, R_ESP, addend);
} else {
gen_op_add_reg_im(0, R_ESP, addend);
}
}
/* generate a push. It depends on ss32, addseg and dflag */
static void gen_push_T0(DisasContext *s)
{
#ifdef TARGET_X86_64
if (CODE64(s)) {
gen_op_movq_A0_reg(R_ESP);
if (s->dflag) {
gen_op_addq_A0_im(-8);
gen_op_st_T0_A0(OT_QUAD + s->mem_index);
} else {
gen_op_addq_A0_im(-2);
gen_op_st_T0_A0(OT_WORD + s->mem_index);
}
gen_op_mov_reg_A0(2, R_ESP);
} else
#endif
{
gen_op_movl_A0_reg(R_ESP);
if (!s->dflag)
gen_op_addl_A0_im(-2);
else
gen_op_addl_A0_im(-4);
if (s->ss32) {
if (s->addseg) {
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
gen_op_addl_A0_seg(R_SS);
}
} else {
gen_op_andl_A0_ffff();
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
gen_op_addl_A0_seg(R_SS);
}
gen_op_st_T0_A0(s->dflag + 1 + s->mem_index);
if (s->ss32 && !s->addseg)
gen_op_mov_reg_A0(1, R_ESP);
else
gen_op_mov_reg_T1(s->ss32 + 1, R_ESP);
}
}
/* generate a push. It depends on ss32, addseg and dflag */
/* slower version for T1, only used for call Ev */
static void gen_push_T1(DisasContext *s)
{
#ifdef TARGET_X86_64
if (CODE64(s)) {
gen_op_movq_A0_reg(R_ESP);
if (s->dflag) {
gen_op_addq_A0_im(-8);
gen_op_st_T1_A0(OT_QUAD + s->mem_index);
} else {
gen_op_addq_A0_im(-2);
gen_op_st_T0_A0(OT_WORD + s->mem_index);
}
gen_op_mov_reg_A0(2, R_ESP);
} else
#endif
{
gen_op_movl_A0_reg(R_ESP);
if (!s->dflag)
gen_op_addl_A0_im(-2);
else
gen_op_addl_A0_im(-4);
if (s->ss32) {
if (s->addseg) {
gen_op_addl_A0_seg(R_SS);
}
} else {
gen_op_andl_A0_ffff();
gen_op_addl_A0_seg(R_SS);
}
gen_op_st_T1_A0(s->dflag + 1 + s->mem_index);
if (s->ss32 && !s->addseg)
gen_op_mov_reg_A0(1, R_ESP);
else
gen_stack_update(s, (-2) << s->dflag);
}
}
/* two step pop is necessary for precise exceptions */
static void gen_pop_T0(DisasContext *s)
{
#ifdef TARGET_X86_64
if (CODE64(s)) {
gen_op_movq_A0_reg(R_ESP);
gen_op_ld_T0_A0((s->dflag ? OT_QUAD : OT_WORD) + s->mem_index);
} else
#endif
{
gen_op_movl_A0_reg(R_ESP);
if (s->ss32) {
if (s->addseg)
gen_op_addl_A0_seg(R_SS);
} else {
gen_op_andl_A0_ffff();
gen_op_addl_A0_seg(R_SS);
}
gen_op_ld_T0_A0(s->dflag + 1 + s->mem_index);
}
}
static void gen_pop_update(DisasContext *s)
{
#ifdef TARGET_X86_64
if (CODE64(s) && s->dflag) {
gen_stack_update(s, 8);
} else
#endif
{
gen_stack_update(s, 2 << s->dflag);
}
}
static void gen_stack_A0(DisasContext *s)
{
gen_op_movl_A0_reg(R_ESP);
if (!s->ss32)
gen_op_andl_A0_ffff();
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
if (s->addseg)
gen_op_addl_A0_seg(R_SS);
}
/* NOTE: wrap around in 16 bit not fully handled */
static void gen_pusha(DisasContext *s)
{
int i;
gen_op_movl_A0_reg(R_ESP);
gen_op_addl_A0_im(-16 << s->dflag);
if (!s->ss32)
gen_op_andl_A0_ffff();
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
if (s->addseg)
gen_op_addl_A0_seg(R_SS);
for(i = 0;i < 8; i++) {
gen_op_mov_TN_reg(OT_LONG, 0, 7 - i);
gen_op_st_T0_A0(OT_WORD + s->dflag + s->mem_index);
gen_op_addl_A0_im(2 << s->dflag);
}
gen_op_mov_reg_T1(OT_WORD + s->ss32, R_ESP);
}
/* NOTE: wrap around in 16 bit not fully handled */
static void gen_popa(DisasContext *s)
{
int i;
gen_op_movl_A0_reg(R_ESP);
if (!s->ss32)
gen_op_andl_A0_ffff();
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
tcg_gen_addi_tl(cpu_T[1], cpu_T[1], 16 << s->dflag);
if (s->addseg)
gen_op_addl_A0_seg(R_SS);
for(i = 0;i < 8; i++) {
/* ESP is not reloaded */
if (i != 3) {
gen_op_ld_T0_A0(OT_WORD + s->dflag + s->mem_index);
gen_op_mov_reg_T0(OT_WORD + s->dflag, 7 - i);
}
gen_op_addl_A0_im(2 << s->dflag);
}
gen_op_mov_reg_T1(OT_WORD + s->ss32, R_ESP);
}
static void gen_enter(DisasContext *s, int esp_addend, int level)
{
int ot, opsize;
level &= 0x1f;
#ifdef TARGET_X86_64
if (CODE64(s)) {
ot = s->dflag ? OT_QUAD : OT_WORD;
opsize = 1 << ot;
gen_op_movl_A0_reg(R_ESP);
gen_op_addq_A0_im(-opsize);
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
/* push bp */
gen_op_mov_TN_reg(OT_LONG, 0, R_EBP);
gen_op_st_T0_A0(ot + s->mem_index);
if (level) {
/* XXX: must save state */
tcg_gen_helper_0_3(helper_enter64_level,
tcg_const_i32(level),
tcg_const_i32((ot == OT_QUAD)),
cpu_T[1]);
}
gen_op_mov_reg_T1(ot, R_EBP);
tcg_gen_addi_tl(cpu_T[1], cpu_T[1], -esp_addend + (-opsize * level));
gen_op_mov_reg_T1(OT_QUAD, R_ESP);
} else
#endif
{
ot = s->dflag + OT_WORD;
opsize = 2 << s->dflag;
gen_op_movl_A0_reg(R_ESP);
gen_op_addl_A0_im(-opsize);
if (!s->ss32)
gen_op_andl_A0_ffff();
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
if (s->addseg)
gen_op_addl_A0_seg(R_SS);
/* push bp */
gen_op_mov_TN_reg(OT_LONG, 0, R_EBP);
gen_op_st_T0_A0(ot + s->mem_index);
if (level) {
/* XXX: must save state */
tcg_gen_helper_0_3(helper_enter_level,
tcg_const_i32(level),
tcg_const_i32(s->dflag),
cpu_T[1]);
}
gen_op_mov_reg_T1(ot, R_EBP);
tcg_gen_addi_tl(cpu_T[1], cpu_T[1], -esp_addend + (-opsize * level));
gen_op_mov_reg_T1(OT_WORD + s->ss32, R_ESP);
}
}
static void gen_exception(DisasContext *s, int trapno, target_ulong cur_eip)
{
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_jmp_im(cur_eip);
tcg_gen_helper_0_1(helper_raise_exception, tcg_const_i32(trapno));
s->is_jmp = 3;
}
/* an interrupt is different from an exception because of the
privilege checks */
static void gen_interrupt(DisasContext *s, int intno,
target_ulong cur_eip, target_ulong next_eip)
{
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_jmp_im(cur_eip);
tcg_gen_helper_0_2(helper_raise_interrupt,
tcg_const_i32(intno),
tcg_const_i32(next_eip - cur_eip));
s->is_jmp = 3;
}
static void gen_debug(DisasContext *s, target_ulong cur_eip)
{
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_jmp_im(cur_eip);
tcg_gen_helper_0_0(helper_debug);
s->is_jmp = 3;
}
/* generate a generic end of block. Trace exception is also generated
if needed */
static void gen_eob(DisasContext *s)
{
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
if (s->tb->flags & HF_INHIBIT_IRQ_MASK) {
tcg_gen_helper_0_0(helper_reset_inhibit_irq);
}
if (s->singlestep_enabled) {
tcg_gen_helper_0_0(helper_debug);
} else if (s->tf) {
tcg_gen_helper_0_0(helper_single_step);
} else {
tcg_gen_exit_tb(0);
}
s->is_jmp = 3;
}
/* generate a jump to eip. No segment change must happen before as a
direct call to the next block may occur */
static void gen_jmp_tb(DisasContext *s, target_ulong eip, int tb_num)
{
if (s->jmp_opt) {
if (s->cc_op != CC_OP_DYNAMIC) {
gen_op_set_cc_op(s->cc_op);
s->cc_op = CC_OP_DYNAMIC;
}
gen_goto_tb(s, tb_num, eip);
s->is_jmp = 3;
} else {
gen_jmp_im(eip);
gen_eob(s);
}
}
static void gen_jmp(DisasContext *s, target_ulong eip)
{
gen_jmp_tb(s, eip, 0);
}
static inline void gen_ldq_env_A0(int idx, int offset)
{
int mem_index = (idx >> 2) - 1;
tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0, mem_index);
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, offset);
}
static inline void gen_stq_env_A0(int idx, int offset)
{
int mem_index = (idx >> 2) - 1;
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, offset);
tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0, mem_index);
}
static inline void gen_ldo_env_A0(int idx, int offset)
{
int mem_index = (idx >> 2) - 1;
tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0, mem_index);
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(XMMReg, XMM_Q(0)));
tcg_gen_addi_tl(cpu_tmp0, cpu_A0, 8);
tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_tmp0, mem_index);
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(XMMReg, XMM_Q(1)));
}
static inline void gen_sto_env_A0(int idx, int offset)
{
int mem_index = (idx >> 2) - 1;
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(XMMReg, XMM_Q(0)));
tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0, mem_index);
tcg_gen_addi_tl(cpu_tmp0, cpu_A0, 8);
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(XMMReg, XMM_Q(1)));
tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_tmp0, mem_index);
}
static inline void gen_op_movo(int d_offset, int s_offset)
{
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, s_offset);
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset);
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, s_offset + 8);
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset + 8);
}
static inline void gen_op_movq(int d_offset, int s_offset)
{
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, s_offset);
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset);
}
static inline void gen_op_movl(int d_offset, int s_offset)
{
tcg_gen_ld_i32(cpu_tmp2_i32, cpu_env, s_offset);
tcg_gen_st_i32(cpu_tmp2_i32, cpu_env, d_offset);
}
static inline void gen_op_movq_env_0(int d_offset)
{
tcg_gen_movi_i64(cpu_tmp1_i64, 0);
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset);
}
#define SSE_SPECIAL ((void *)1)
#define SSE_DUMMY ((void *)2)
#define MMX_OP2(x) { helper_ ## x ## _mmx, helper_ ## x ## _xmm }
#define SSE_FOP(x) { helper_ ## x ## ps, helper_ ## x ## pd, \
helper_ ## x ## ss, helper_ ## x ## sd, }
static void *sse_op_table1[256][4] = {
/* 3DNow! extensions */
[0x0e] = { SSE_DUMMY }, /* femms */
[0x0f] = { SSE_DUMMY }, /* pf... */
/* pure SSE operations */
[0x10] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movups, movupd, movss, movsd */
[0x11] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movups, movupd, movss, movsd */
[0x12] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movlps, movlpd, movsldup, movddup */
[0x13] = { SSE_SPECIAL, SSE_SPECIAL }, /* movlps, movlpd */
[0x14] = { helper_punpckldq_xmm, helper_punpcklqdq_xmm },
[0x15] = { helper_punpckhdq_xmm, helper_punpckhqdq_xmm },
[0x16] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movhps, movhpd, movshdup */
[0x17] = { SSE_SPECIAL, SSE_SPECIAL }, /* movhps, movhpd */
[0x28] = { SSE_SPECIAL, SSE_SPECIAL }, /* movaps, movapd */
[0x29] = { SSE_SPECIAL, SSE_SPECIAL }, /* movaps, movapd */
[0x2a] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvtpi2ps, cvtpi2pd, cvtsi2ss, cvtsi2sd */
[0x2b] = { SSE_SPECIAL, SSE_SPECIAL }, /* movntps, movntpd */
[0x2c] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvttps2pi, cvttpd2pi, cvttsd2si, cvttss2si */
[0x2d] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvtps2pi, cvtpd2pi, cvtsd2si, cvtss2si */
[0x2e] = { helper_ucomiss, helper_ucomisd },
[0x2f] = { helper_comiss, helper_comisd },
[0x50] = { SSE_SPECIAL, SSE_SPECIAL }, /* movmskps, movmskpd */
[0x51] = SSE_FOP(sqrt),
[0x52] = { helper_rsqrtps, NULL, helper_rsqrtss, NULL },
[0x53] = { helper_rcpps, NULL, helper_rcpss, NULL },
[0x54] = { helper_pand_xmm, helper_pand_xmm }, /* andps, andpd */
[0x55] = { helper_pandn_xmm, helper_pandn_xmm }, /* andnps, andnpd */
[0x56] = { helper_por_xmm, helper_por_xmm }, /* orps, orpd */
[0x57] = { helper_pxor_xmm, helper_pxor_xmm }, /* xorps, xorpd */
[0x58] = SSE_FOP(add),
[0x59] = SSE_FOP(mul),
[0x5a] = { helper_cvtps2pd, helper_cvtpd2ps,
helper_cvtss2sd, helper_cvtsd2ss },
[0x5b] = { helper_cvtdq2ps, helper_cvtps2dq, helper_cvttps2dq },
[0x5c] = SSE_FOP(sub),
[0x5d] = SSE_FOP(min),
[0x5e] = SSE_FOP(div),
[0x5f] = SSE_FOP(max),
[0xc2] = SSE_FOP(cmpeq),
[0xc6] = { helper_shufps, helper_shufpd },
/* MMX ops and their SSE extensions */
[0x60] = MMX_OP2(punpcklbw),
[0x61] = MMX_OP2(punpcklwd),
[0x62] = MMX_OP2(punpckldq),
[0x63] = MMX_OP2(packsswb),
[0x64] = MMX_OP2(pcmpgtb),
[0x65] = MMX_OP2(pcmpgtw),
[0x66] = MMX_OP2(pcmpgtl),
[0x67] = MMX_OP2(packuswb),
[0x68] = MMX_OP2(punpckhbw),
[0x69] = MMX_OP2(punpckhwd),
[0x6a] = MMX_OP2(punpckhdq),
[0x6b] = MMX_OP2(packssdw),
[0x6c] = { NULL, helper_punpcklqdq_xmm },
[0x6d] = { NULL, helper_punpckhqdq_xmm },
[0x6e] = { SSE_SPECIAL, SSE_SPECIAL }, /* movd mm, ea */
[0x6f] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movq, movdqa, , movqdu */
[0x70] = { helper_pshufw_mmx,
helper_pshufd_xmm,
helper_pshufhw_xmm,
helper_pshuflw_xmm },
[0x71] = { SSE_SPECIAL, SSE_SPECIAL }, /* shiftw */
[0x72] = { SSE_SPECIAL, SSE_SPECIAL }, /* shiftd */
[0x73] = { SSE_SPECIAL, SSE_SPECIAL }, /* shiftq */
[0x74] = MMX_OP2(pcmpeqb),
[0x75] = MMX_OP2(pcmpeqw),
[0x76] = MMX_OP2(pcmpeql),
[0x77] = { SSE_DUMMY }, /* emms */
[0x7c] = { NULL, helper_haddpd, NULL, helper_haddps },
[0x7d] = { NULL, helper_hsubpd, NULL, helper_hsubps },
[0x7e] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movd, movd, , movq */
[0x7f] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movq, movdqa, movdqu */
[0xc4] = { SSE_SPECIAL, SSE_SPECIAL }, /* pinsrw */
[0xc5] = { SSE_SPECIAL, SSE_SPECIAL }, /* pextrw */
[0xd0] = { NULL, helper_addsubpd, NULL, helper_addsubps },
[0xd1] = MMX_OP2(psrlw),
[0xd2] = MMX_OP2(psrld),
[0xd3] = MMX_OP2(psrlq),
[0xd4] = MMX_OP2(paddq),
[0xd5] = MMX_OP2(pmullw),
[0xd6] = { NULL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL },
[0xd7] = { SSE_SPECIAL, SSE_SPECIAL }, /* pmovmskb */
[0xd8] = MMX_OP2(psubusb),
[0xd9] = MMX_OP2(psubusw),
[0xda] = MMX_OP2(pminub),
[0xdb] = MMX_OP2(pand),
[0xdc] = MMX_OP2(paddusb),
[0xdd] = MMX_OP2(paddusw),
[0xde] = MMX_OP2(pmaxub),
[0xdf] = MMX_OP2(pandn),
[0xe0] = MMX_OP2(pavgb),
[0xe1] = MMX_OP2(psraw),
[0xe2] = MMX_OP2(psrad),
[0xe3] = MMX_OP2(pavgw),
[0xe4] = MMX_OP2(pmulhuw),
[0xe5] = MMX_OP2(pmulhw),
[0xe6] = { NULL, helper_cvttpd2dq, helper_cvtdq2pd, helper_cvtpd2dq },
[0xe7] = { SSE_SPECIAL , SSE_SPECIAL }, /* movntq, movntq */
[0xe8] = MMX_OP2(psubsb),
[0xe9] = MMX_OP2(psubsw),
[0xea] = MMX_OP2(pminsw),
[0xeb] = MMX_OP2(por),
[0xec] = MMX_OP2(paddsb),
[0xed] = MMX_OP2(paddsw),
[0xee] = MMX_OP2(pmaxsw),
[0xef] = MMX_OP2(pxor),
[0xf0] = { NULL, NULL, NULL, SSE_SPECIAL }, /* lddqu */
[0xf1] = MMX_OP2(psllw),
[0xf2] = MMX_OP2(pslld),
[0xf3] = MMX_OP2(psllq),
[0xf4] = MMX_OP2(pmuludq),
[0xf5] = MMX_OP2(pmaddwd),
[0xf6] = MMX_OP2(psadbw),
[0xf7] = MMX_OP2(maskmov),
[0xf8] = MMX_OP2(psubb),
[0xf9] = MMX_OP2(psubw),
[0xfa] = MMX_OP2(psubl),
[0xfb] = MMX_OP2(psubq),
[0xfc] = MMX_OP2(paddb),
[0xfd] = MMX_OP2(paddw),
[0xfe] = MMX_OP2(paddl),
};
static void *sse_op_table2[3 * 8][2] = {
[0 + 2] = MMX_OP2(psrlw),
[0 + 4] = MMX_OP2(psraw),
[0 + 6] = MMX_OP2(psllw),
[8 + 2] = MMX_OP2(psrld),
[8 + 4] = MMX_OP2(psrad),
[8 + 6] = MMX_OP2(pslld),
[16 + 2] = MMX_OP2(psrlq),
[16 + 3] = { NULL, helper_psrldq_xmm },
[16 + 6] = MMX_OP2(psllq),
[16 + 7] = { NULL, helper_pslldq_xmm },
};
static void *sse_op_table3[4 * 3] = {
helper_cvtsi2ss,
helper_cvtsi2sd,
X86_64_ONLY(helper_cvtsq2ss),
X86_64_ONLY(helper_cvtsq2sd),
helper_cvttss2si,
helper_cvttsd2si,
X86_64_ONLY(helper_cvttss2sq),
X86_64_ONLY(helper_cvttsd2sq),
helper_cvtss2si,
helper_cvtsd2si,
X86_64_ONLY(helper_cvtss2sq),
X86_64_ONLY(helper_cvtsd2sq),
};
static void *sse_op_table4[8][4] = {
SSE_FOP(cmpeq),
SSE_FOP(cmplt),
SSE_FOP(cmple),
SSE_FOP(cmpunord),
SSE_FOP(cmpneq),
SSE_FOP(cmpnlt),
SSE_FOP(cmpnle),
SSE_FOP(cmpord),
};
static void *sse_op_table5[256] = {
[0x0c] = helper_pi2fw,
[0x0d] = helper_pi2fd,
[0x1c] = helper_pf2iw,
[0x1d] = helper_pf2id,
[0x8a] = helper_pfnacc,
[0x8e] = helper_pfpnacc,
[0x90] = helper_pfcmpge,
[0x94] = helper_pfmin,
[0x96] = helper_pfrcp,
[0x97] = helper_pfrsqrt,
[0x9a] = helper_pfsub,
[0x9e] = helper_pfadd,
[0xa0] = helper_pfcmpgt,
[0xa4] = helper_pfmax,
[0xa6] = helper_movq, /* pfrcpit1; no need to actually increase precision */
[0xa7] = helper_movq, /* pfrsqit1 */
[0xaa] = helper_pfsubr,
[0xae] = helper_pfacc,
[0xb0] = helper_pfcmpeq,
[0xb4] = helper_pfmul,
[0xb6] = helper_movq, /* pfrcpit2 */
[0xb7] = helper_pmulhrw_mmx,
[0xbb] = helper_pswapd,
[0xbf] = helper_pavgb_mmx /* pavgusb */
};
static void gen_sse(DisasContext *s, int b, target_ulong pc_start, int rex_r)
{
int b1, op1_offset, op2_offset, is_xmm, val, ot;
int modrm, mod, rm, reg, reg_addr, offset_addr;
void *sse_op2;
b &= 0xff;
if (s->prefix & PREFIX_DATA)
b1 = 1;
else if (s->prefix & PREFIX_REPZ)
b1 = 2;
else if (s->prefix & PREFIX_REPNZ)
b1 = 3;
else
b1 = 0;
sse_op2 = sse_op_table1[b][b1];
if (!sse_op2)
goto illegal_op;
if ((b <= 0x5f && b >= 0x10) || b == 0xc6 || b == 0xc2) {
is_xmm = 1;
} else {
if (b1 == 0) {
/* MMX case */
is_xmm = 0;
} else {
is_xmm = 1;
}
}
/* simple MMX/SSE operation */
if (s->flags & HF_TS_MASK) {
gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
return;
}
if (s->flags & HF_EM_MASK) {
illegal_op:
gen_exception(s, EXCP06_ILLOP, pc_start - s->cs_base);
return;
}
if (is_xmm && !(s->flags & HF_OSFXSR_MASK))
goto illegal_op;
if (b == 0x0e) {
if (!(s->cpuid_ext2_features & CPUID_EXT2_3DNOW))
goto illegal_op;
/* femms */
tcg_gen_helper_0_0(helper_emms);
return;
}
if (b == 0x77) {
/* emms */
tcg_gen_helper_0_0(helper_emms);
return;
}
/* prepare MMX state (XXX: optimize by storing fptt and fptags in
the static cpu state) */
if (!is_xmm) {
tcg_gen_helper_0_0(helper_enter_mmx);
}
modrm = ldub_code(s->pc++);
reg = ((modrm >> 3) & 7);
if (is_xmm)
reg |= rex_r;
mod = (modrm >> 6) & 3;
if (sse_op2 == SSE_SPECIAL) {
b |= (b1 << 8);
switch(b) {
case 0x0e7: /* movntq */
if (mod == 3)
goto illegal_op;
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,fpregs[reg].mmx));
break;
case 0x1e7: /* movntdq */
case 0x02b: /* movntps */
case 0x12b: /* movntps */
case 0x3f0: /* lddqu */
if (mod == 3)
goto illegal_op;
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_sto_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg]));
break;
case 0x6e: /* movd mm, ea */
#ifdef TARGET_X86_64
if (s->dflag == 2) {
gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 0);
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,fpregs[reg].mmx));
} else
#endif
{
gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 0);
tcg_gen_addi_ptr(cpu_ptr0, cpu_env,
offsetof(CPUX86State,fpregs[reg].mmx));
tcg_gen_helper_0_2(helper_movl_mm_T0_mmx, cpu_ptr0, cpu_T[0]);
}
break;
case 0x16e: /* movd xmm, ea */
#ifdef TARGET_X86_64
if (s->dflag == 2) {
gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 0);
tcg_gen_addi_ptr(cpu_ptr0, cpu_env,
offsetof(CPUX86State,xmm_regs[reg]));
tcg_gen_helper_0_2(helper_movq_mm_T0_xmm, cpu_ptr0, cpu_T[0]);
} else
#endif
{
gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 0);
tcg_gen_addi_ptr(cpu_ptr0, cpu_env,
offsetof(CPUX86State,xmm_regs[reg]));
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
tcg_gen_helper_0_2(helper_movl_mm_T0_xmm, cpu_ptr0, cpu_tmp2_i32);
}
break;
case 0x6f: /* movq mm, ea */
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,fpregs[reg].mmx));
} else {
rm = (modrm & 7);
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env,
offsetof(CPUX86State,fpregs[rm].mmx));
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env,
offsetof(CPUX86State,fpregs[reg].mmx));
}
break;
case 0x010: /* movups */
case 0x110: /* movupd */
case 0x028: /* movaps */
case 0x128: /* movapd */
case 0x16f: /* movdqa xmm, ea */
case 0x26f: /* movdqu xmm, ea */
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_ldo_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg]));
} else {
rm = (modrm & 7) | REX_B(s);
gen_op_movo(offsetof(CPUX86State,xmm_regs[reg]),
offsetof(CPUX86State,xmm_regs[rm]));
}
break;
case 0x210: /* movss xmm, ea */
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_op_ld_T0_A0(OT_LONG + s->mem_index);
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)));
gen_op_movl_T0_0();
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(1)));
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(2)));
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(3)));
} else {
rm = (modrm & 7) | REX_B(s);
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)),
offsetof(CPUX86State,xmm_regs[rm].XMM_L(0)));
}
break;
case 0x310: /* movsd xmm, ea */
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
gen_op_movl_T0_0();
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(2)));
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(3)));
} else {
rm = (modrm & 7) | REX_B(s);
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)),
offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)));
}
break;
case 0x012: /* movlps */
case 0x112: /* movlpd */
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
} else {
/* movhlps */
rm = (modrm & 7) | REX_B(s);
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)),
offsetof(CPUX86State,xmm_regs[rm].XMM_Q(1)));
}
break;
case 0x212: /* movsldup */
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_ldo_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg]));
} else {
rm = (modrm & 7) | REX_B(s);
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)),
offsetof(CPUX86State,xmm_regs[rm].XMM_L(0)));
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(2)),
offsetof(CPUX86State,xmm_regs[rm].XMM_L(2)));
}
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(1)),
offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)));
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(3)),
offsetof(CPUX86State,xmm_regs[reg].XMM_L(2)));
break;
case 0x312: /* movddup */
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
} else {
rm = (modrm & 7) | REX_B(s);
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)),
offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)));
}
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)),
offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
break;
case 0x016: /* movhps */
case 0x116: /* movhpd */
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)));
} else {
/* movlhps */
rm = (modrm & 7) | REX_B(s);
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)),
offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)));
}
break;
case 0x216: /* movshdup */
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_ldo_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg]));
} else {
rm = (modrm & 7) | REX_B(s);
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(1)),
offsetof(CPUX86State,xmm_regs[rm].XMM_L(1)));
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(3)),
offsetof(CPUX86State,xmm_regs[rm].XMM_L(3)));
}
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)),
offsetof(CPUX86State,xmm_regs[reg].XMM_L(1)));
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(2)),
offsetof(CPUX86State,xmm_regs[reg].XMM_L(3)));
break;
case 0x7e: /* movd ea, mm */
#ifdef TARGET_X86_64
if (s->dflag == 2) {
tcg_gen_ld_i64(cpu_T[0], cpu_env,
offsetof(CPUX86State,fpregs[reg].mmx));
gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 1);
} else
#endif
{
tcg_gen_ld32u_tl(cpu_T[0], cpu_env,
offsetof(CPUX86State,fpregs[reg].mmx.MMX_L(0)));
gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 1);
}
break;
case 0x17e: /* movd ea, xmm */
#ifdef TARGET_X86_64
if (s->dflag == 2) {
tcg_gen_ld_i64(cpu_T[0], cpu_env,
offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 1);
} else
#endif
{
tcg_gen_ld32u_tl(cpu_T[0], cpu_env,
offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)));
gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 1);
}
break;
case 0x27e: /* movq xmm, ea */
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
} else {
rm = (modrm & 7) | REX_B(s);
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)),
offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)));
}
gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)));
break;
case 0x7f: /* movq ea, mm */
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,fpregs[reg].mmx));
} else {
rm = (modrm & 7);
gen_op_movq(offsetof(CPUX86State,fpregs[rm].mmx),
offsetof(CPUX86State,fpregs[reg].mmx));
}
break;
case 0x011: /* movups */
case 0x111: /* movupd */
case 0x029: /* movaps */
case 0x129: /* movapd */
case 0x17f: /* movdqa ea, xmm */
case 0x27f: /* movdqu ea, xmm */
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_sto_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg]));
} else {
rm = (modrm & 7) | REX_B(s);
gen_op_movo(offsetof(CPUX86State,xmm_regs[rm]),
offsetof(CPUX86State,xmm_regs[reg]));
}
break;
case 0x211: /* movss ea, xmm */
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)));
gen_op_st_T0_A0(OT_LONG + s->mem_index);
} else {
rm = (modrm & 7) | REX_B(s);
gen_op_movl(offsetof(CPUX86State,xmm_regs[rm].XMM_L(0)),
offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)));
}
break;
case 0x311: /* movsd ea, xmm */
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
} else {
rm = (modrm & 7) | REX_B(s);
gen_op_movq(offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)),
offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
}
break;
case 0x013: /* movlps */
case 0x113: /* movlpd */
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
} else {
goto illegal_op;
}
break;
case 0x017: /* movhps */
case 0x117: /* movhpd */
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)));
} else {
goto illegal_op;
}
break;
case 0x71: /* shift mm, im */
case 0x72:
case 0x73:
case 0x171: /* shift xmm, im */
case 0x172:
case 0x173:
val = ldub_code(s->pc++);
if (is_xmm) {
gen_op_movl_T0_im(val);
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_t0.XMM_L(0)));
gen_op_movl_T0_0();
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_t0.XMM_L(1)));
op1_offset = offsetof(CPUX86State,xmm_t0);
} else {
gen_op_movl_T0_im(val);
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,mmx_t0.MMX_L(0)));
gen_op_movl_T0_0();
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,mmx_t0.MMX_L(1)));
op1_offset = offsetof(CPUX86State,mmx_t0);
}
sse_op2 = sse_op_table2[((b - 1) & 3) * 8 + (((modrm >> 3)) & 7)][b1];
if (!sse_op2)
goto illegal_op;
if (is_xmm) {
rm = (modrm & 7) | REX_B(s);
op2_offset = offsetof(CPUX86State,xmm_regs[rm]);
} else {
rm = (modrm & 7);
op2_offset = offsetof(CPUX86State,fpregs[rm].mmx);
}
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op2_offset);
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op1_offset);
tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_ptr1);
break;
case 0x050: /* movmskps */
rm = (modrm & 7) | REX_B(s);
tcg_gen_addi_ptr(cpu_ptr0, cpu_env,
offsetof(CPUX86State,xmm_regs[rm]));
tcg_gen_helper_1_1(helper_movmskps, cpu_tmp2_i32, cpu_ptr0);
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
gen_op_mov_reg_T0(OT_LONG, reg);
break;
case 0x150: /* movmskpd */
rm = (modrm & 7) | REX_B(s);
tcg_gen_addi_ptr(cpu_ptr0, cpu_env,
offsetof(CPUX86State,xmm_regs[rm]));
tcg_gen_helper_1_1(helper_movmskpd, cpu_tmp2_i32, cpu_ptr0);
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
gen_op_mov_reg_T0(OT_LONG, reg);
break;
case 0x02a: /* cvtpi2ps */
case 0x12a: /* cvtpi2pd */
tcg_gen_helper_0_0(helper_enter_mmx);
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
op2_offset = offsetof(CPUX86State,mmx_t0);
gen_ldq_env_A0(s->mem_index, op2_offset);
} else {
rm = (modrm & 7);
op2_offset = offsetof(CPUX86State,fpregs[rm].mmx);
}
op1_offset = offsetof(CPUX86State,xmm_regs[reg]);
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
switch(b >> 8) {
case 0x0:
tcg_gen_helper_0_2(helper_cvtpi2ps, cpu_ptr0, cpu_ptr1);
break;
default:
case 0x1:
tcg_gen_helper_0_2(helper_cvtpi2pd, cpu_ptr0, cpu_ptr1);
break;
}
break;
case 0x22a: /* cvtsi2ss */
case 0x32a: /* cvtsi2sd */
ot = (s->dflag == 2) ? OT_QUAD : OT_LONG;
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
op1_offset = offsetof(CPUX86State,xmm_regs[reg]);
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
sse_op2 = sse_op_table3[(s->dflag == 2) * 2 + ((b >> 8) - 2)];
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_tmp2_i32);
break;
case 0x02c: /* cvttps2pi */
case 0x12c: /* cvttpd2pi */
case 0x02d: /* cvtps2pi */
case 0x12d: /* cvtpd2pi */
tcg_gen_helper_0_0(helper_enter_mmx);
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
op2_offset = offsetof(CPUX86State,xmm_t0);
gen_ldo_env_A0(s->mem_index, op2_offset);
} else {
rm = (modrm & 7) | REX_B(s);
op2_offset = offsetof(CPUX86State,xmm_regs[rm]);
}
op1_offset = offsetof(CPUX86State,fpregs[reg & 7].mmx);
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
switch(b) {
case 0x02c:
tcg_gen_helper_0_2(helper_cvttps2pi, cpu_ptr0, cpu_ptr1);
break;
case 0x12c:
tcg_gen_helper_0_2(helper_cvttpd2pi, cpu_ptr0, cpu_ptr1);
break;
case 0x02d:
tcg_gen_helper_0_2(helper_cvtps2pi, cpu_ptr0, cpu_ptr1);
break;
case 0x12d:
tcg_gen_helper_0_2(helper_cvtpd2pi, cpu_ptr0, cpu_ptr1);
break;
}
break;
case 0x22c: /* cvttss2si */
case 0x32c: /* cvttsd2si */
case 0x22d: /* cvtss2si */
case 0x32d: /* cvtsd2si */
ot = (s->dflag == 2) ? OT_QUAD : OT_LONG;
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
if ((b >> 8) & 1) {
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_t0.XMM_Q(0)));
} else {
gen_op_ld_T0_A0(OT_LONG + s->mem_index);
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_t0.XMM_L(0)));
}
op2_offset = offsetof(CPUX86State,xmm_t0);
} else {
rm = (modrm & 7) | REX_B(s);
op2_offset = offsetof(CPUX86State,xmm_regs[rm]);
}
sse_op2 = sse_op_table3[(s->dflag == 2) * 2 + ((b >> 8) - 2) + 4 +
(b & 1) * 4];
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op2_offset);
if (ot == OT_LONG) {
tcg_gen_helper_1_1(sse_op2, cpu_tmp2_i32, cpu_ptr0);
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
} else {
tcg_gen_helper_1_1(sse_op2, cpu_T[0], cpu_ptr0);
}
gen_op_mov_reg_T0(ot, reg);
break;
case 0xc4: /* pinsrw */
case 0x1c4:
s->rip_offset = 1;
gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
val = ldub_code(s->pc++);
if (b1) {
val &= 7;
tcg_gen_st16_tl(cpu_T[0], cpu_env,
offsetof(CPUX86State,xmm_regs[reg].XMM_W(val)));
} else {
val &= 3;
tcg_gen_st16_tl(cpu_T[0], cpu_env,
offsetof(CPUX86State,fpregs[reg].mmx.MMX_W(val)));
}
break;
case 0xc5: /* pextrw */
case 0x1c5:
if (mod != 3)
goto illegal_op;
val = ldub_code(s->pc++);
if (b1) {
val &= 7;
rm = (modrm & 7) | REX_B(s);
tcg_gen_ld16u_tl(cpu_T[0], cpu_env,
offsetof(CPUX86State,xmm_regs[rm].XMM_W(val)));
} else {
val &= 3;
rm = (modrm & 7);
tcg_gen_ld16u_tl(cpu_T[0], cpu_env,
offsetof(CPUX86State,fpregs[rm].mmx.MMX_W(val)));
}
reg = ((modrm >> 3) & 7) | rex_r;
gen_op_mov_reg_T0(OT_LONG, reg);
break;
case 0x1d6: /* movq ea, xmm */
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
} else {
rm = (modrm & 7) | REX_B(s);
gen_op_movq(offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)),
offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[rm].XMM_Q(1)));
}
break;
case 0x2d6: /* movq2dq */
tcg_gen_helper_0_0(helper_enter_mmx);
rm = (modrm & 7);
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)),
offsetof(CPUX86State,fpregs[rm].mmx));
gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)));
break;
case 0x3d6: /* movdq2q */
tcg_gen_helper_0_0(helper_enter_mmx);
rm = (modrm & 7) | REX_B(s);
gen_op_movq(offsetof(CPUX86State,fpregs[reg & 7].mmx),
offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)));
break;
case 0xd7: /* pmovmskb */
case 0x1d7:
if (mod != 3)
goto illegal_op;
if (b1) {
rm = (modrm & 7) | REX_B(s);
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, offsetof(CPUX86State,xmm_regs[rm]));
tcg_gen_helper_1_1(helper_pmovmskb_xmm, cpu_tmp2_i32, cpu_ptr0);
} else {
rm = (modrm & 7);
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, offsetof(CPUX86State,fpregs[rm].mmx));
tcg_gen_helper_1_1(helper_pmovmskb_mmx, cpu_tmp2_i32, cpu_ptr0);
}
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
reg = ((modrm >> 3) & 7) | rex_r;
gen_op_mov_reg_T0(OT_LONG, reg);
break;
default:
goto illegal_op;
}
} else {
/* generic MMX or SSE operation */
switch(b) {
case 0x70: /* pshufx insn */
case 0xc6: /* pshufx insn */
case 0xc2: /* compare insns */
s->rip_offset = 1;
break;
default:
break;
}
if (is_xmm) {
op1_offset = offsetof(CPUX86State,xmm_regs[reg]);
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
op2_offset = offsetof(CPUX86State,xmm_t0);
if (b1 >= 2 && ((b >= 0x50 && b <= 0x5f && b != 0x5b) ||
b == 0xc2)) {
/* specific case for SSE single instructions */
if (b1 == 2) {
/* 32 bit access */
gen_op_ld_T0_A0(OT_LONG + s->mem_index);
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_t0.XMM_L(0)));
} else {
/* 64 bit access */
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_t0.XMM_D(0)));
}
} else {
gen_ldo_env_A0(s->mem_index, op2_offset);
}
} else {
rm = (modrm & 7) | REX_B(s);
op2_offset = offsetof(CPUX86State,xmm_regs[rm]);
}
} else {
op1_offset = offsetof(CPUX86State,fpregs[reg].mmx);
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
op2_offset = offsetof(CPUX86State,mmx_t0);
gen_ldq_env_A0(s->mem_index, op2_offset);
} else {
rm = (modrm & 7);
op2_offset = offsetof(CPUX86State,fpregs[rm].mmx);
}
}
switch(b) {
case 0x0f: /* 3DNow! data insns */
if (!(s->cpuid_ext2_features & CPUID_EXT2_3DNOW))
goto illegal_op;
val = ldub_code(s->pc++);
sse_op2 = sse_op_table5[val];
if (!sse_op2)
goto illegal_op;
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_ptr1);
break;
case 0x70: /* pshufx insn */
case 0xc6: /* pshufx insn */
val = ldub_code(s->pc++);
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
tcg_gen_helper_0_3(sse_op2, cpu_ptr0, cpu_ptr1, tcg_const_i32(val));
break;
case 0xc2:
/* compare insns */
val = ldub_code(s->pc++);
if (val >= 8)
goto illegal_op;
sse_op2 = sse_op_table4[val][b1];
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_ptr1);
break;
case 0xf7:
/* maskmov : we must prepare A0 */
if (mod != 3)
goto illegal_op;
#ifdef TARGET_X86_64
if (s->aflag == 2) {
gen_op_movq_A0_reg(R_EDI);
} else
#endif
{
gen_op_movl_A0_reg(R_EDI);
if (s->aflag == 0)
gen_op_andl_A0_ffff();
}
gen_add_A0_ds_seg(s);
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
tcg_gen_helper_0_3(sse_op2, cpu_ptr0, cpu_ptr1, cpu_A0);
break;
default:
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_ptr1);
break;
}
if (b == 0x2e || b == 0x2f) {
s->cc_op = CC_OP_EFLAGS;
}
}
}
/* convert one instruction. s->is_jmp is set if the translation must
be stopped. Return the next pc value */
static target_ulong disas_insn(DisasContext *s, target_ulong pc_start)
{
int b, prefixes, aflag, dflag;
int shift, ot;
int modrm, reg, rm, mod, reg_addr, op, opreg, offset_addr, val;
target_ulong next_eip, tval;
int rex_w, rex_r;
if (unlikely(loglevel & CPU_LOG_TB_OP))
tcg_gen_debug_insn_start(pc_start);
s->pc = pc_start;
prefixes = 0;
aflag = s->code32;
dflag = s->code32;
s->override = -1;
rex_w = -1;
rex_r = 0;
#ifdef TARGET_X86_64
s->rex_x = 0;
s->rex_b = 0;
x86_64_hregs = 0;
#endif
s->rip_offset = 0; /* for relative ip address */
next_byte:
b = ldub_code(s->pc);
s->pc++;
/* check prefixes */
#ifdef TARGET_X86_64
if (CODE64(s)) {
switch (b) {
case 0xf3:
prefixes |= PREFIX_REPZ;
goto next_byte;
case 0xf2:
prefixes |= PREFIX_REPNZ;
goto next_byte;
case 0xf0:
prefixes |= PREFIX_LOCK;
goto next_byte;
case 0x2e:
s->override = R_CS;
goto next_byte;
case 0x36:
s->override = R_SS;
goto next_byte;
case 0x3e:
s->override = R_DS;
goto next_byte;
case 0x26:
s->override = R_ES;
goto next_byte;
case 0x64:
s->override = R_FS;
goto next_byte;
case 0x65:
s->override = R_GS;
goto next_byte;
case 0x66:
prefixes |= PREFIX_DATA;
goto next_byte;
case 0x67:
prefixes |= PREFIX_ADR;
goto next_byte;
case 0x40 ... 0x4f:
/* REX prefix */
rex_w = (b >> 3) & 1;
rex_r = (b & 0x4) << 1;
s->rex_x = (b & 0x2) << 2;
REX_B(s) = (b & 0x1) << 3;
x86_64_hregs = 1; /* select uniform byte register addressing */
goto next_byte;
}
if (rex_w == 1) {
/* 0x66 is ignored if rex.w is set */
dflag = 2;
} else {
if (prefixes & PREFIX_DATA)
dflag ^= 1;
}
if (!(prefixes & PREFIX_ADR))
aflag = 2;
} else
#endif
{
switch (b) {
case 0xf3:
prefixes |= PREFIX_REPZ;
goto next_byte;
case 0xf2:
prefixes |= PREFIX_REPNZ;
goto next_byte;
case 0xf0:
prefixes |= PREFIX_LOCK;
goto next_byte;
case 0x2e:
s->override = R_CS;
goto next_byte;
case 0x36:
s->override = R_SS;
goto next_byte;
case 0x3e:
s->override = R_DS;
goto next_byte;
case 0x26:
s->override = R_ES;
goto next_byte;
case 0x64:
s->override = R_FS;
goto next_byte;
case 0x65:
s->override = R_GS;
goto next_byte;
case 0x66:
prefixes |= PREFIX_DATA;
goto next_byte;
case 0x67:
prefixes |= PREFIX_ADR;
goto next_byte;
}
if (prefixes & PREFIX_DATA)
dflag ^= 1;
if (prefixes & PREFIX_ADR)
aflag ^= 1;
}
s->prefix = prefixes;
s->aflag = aflag;
s->dflag = dflag;
/* lock generation */
if (prefixes & PREFIX_LOCK)
tcg_gen_helper_0_0(helper_lock);
/* now check op code */
reswitch:
switch(b) {
case 0x0f:
/**************************/
/* extended op code */
b = ldub_code(s->pc++) | 0x100;
goto reswitch;
/**************************/
/* arith & logic */
case 0x00 ... 0x05:
case 0x08 ... 0x0d:
case 0x10 ... 0x15:
case 0x18 ... 0x1d:
case 0x20 ... 0x25:
case 0x28 ... 0x2d:
case 0x30 ... 0x35:
case 0x38 ... 0x3d:
{
int op, f, val;
op = (b >> 3) & 7;
f = (b >> 1) & 3;
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag + OT_WORD;
switch(f) {
case 0: /* OP Ev, Gv */
modrm = ldub_code(s->pc++);
reg = ((modrm >> 3) & 7) | rex_r;
mod = (modrm >> 6) & 3;
rm = (modrm & 7) | REX_B(s);
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
opreg = OR_TMP0;
} else if (op == OP_XORL && rm == reg) {
xor_zero:
/* xor reg, reg optimisation */
gen_op_movl_T0_0();
s->cc_op = CC_OP_LOGICB + ot;
gen_op_mov_reg_T0(ot, reg);
gen_op_update1_cc();
break;
} else {
opreg = rm;
}
gen_op_mov_TN_reg(ot, 1, reg);
gen_op(s, op, ot, opreg);
break;
case 1: /* OP Gv, Ev */
modrm = ldub_code(s->pc++);
mod = (modrm >> 6) & 3;
reg = ((modrm >> 3) & 7) | rex_r;
rm = (modrm & 7) | REX_B(s);
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_op_ld_T1_A0(ot + s->mem_index);
} else if (op == OP_XORL && rm == reg) {
goto xor_zero;
} else {
gen_op_mov_TN_reg(ot, 1, rm);
}
gen_op(s, op, ot, reg);
break;
case 2: /* OP A, Iv */
val = insn_get(s, ot);
gen_op_movl_T1_im(val);
gen_op(s, op, ot, OR_EAX);
break;
}
}
break;
case 0x80: /* GRP1 */
case 0x81:
case 0x82:
case 0x83:
{
int val;
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag + OT_WORD;
modrm = ldub_code(s->pc++);
mod = (modrm >> 6) & 3;
rm = (modrm & 7) | REX_B(s);
op = (modrm >> 3) & 7;
if (mod != 3) {
if (b == 0x83)
s->rip_offset = 1;
else
s->rip_offset = insn_const_size(ot);
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
opreg = OR_TMP0;
} else {
opreg = rm;
}
switch(b) {
default:
case 0x80:
case 0x81:
case 0x82:
val = insn_get(s, ot);
break;
case 0x83:
val = (int8_t)insn_get(s, OT_BYTE);
break;
}
gen_op_movl_T1_im(val);
gen_op(s, op, ot, opreg);
}
break;
/**************************/
/* inc, dec, and other misc arith */
case 0x40 ... 0x47: /* inc Gv */
ot = dflag ? OT_LONG : OT_WORD;
gen_inc(s, ot, OR_EAX + (b & 7), 1);
break;
case 0x48 ... 0x4f: /* dec Gv */
ot = dflag ? OT_LONG : OT_WORD;
gen_inc(s, ot, OR_EAX + (b & 7), -1);
break;
case 0xf6: /* GRP3 */
case 0xf7:
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag + OT_WORD;
modrm = ldub_code(s->pc++);
mod = (modrm >> 6) & 3;
rm = (modrm & 7) | REX_B(s);
op = (modrm >> 3) & 7;
if (mod != 3) {
if (op == 0)
s->rip_offset = insn_const_size(ot);
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_op_ld_T0_A0(ot + s->mem_index);
} else {
gen_op_mov_TN_reg(ot, 0, rm);
}
switch(op) {
case 0: /* test */
val = insn_get(s, ot);
gen_op_movl_T1_im(val);
gen_op_testl_T0_T1_cc();
s->cc_op = CC_OP_LOGICB + ot;
break;
case 2: /* not */
tcg_gen_not_tl(cpu_T[0], cpu_T[0]);
if (mod != 3) {
gen_op_st_T0_A0(ot + s->mem_index);
} else {
gen_op_mov_reg_T0(ot, rm);
}
break;
case 3: /* neg */
tcg_gen_neg_tl(cpu_T[0], cpu_T[0]);
if (mod != 3) {
gen_op_st_T0_A0(ot + s->mem_index);
} else {
gen_op_mov_reg_T0(ot, rm);
}
gen_op_update_neg_cc();
s->cc_op = CC_OP_SUBB + ot;
break;
case 4: /* mul */
switch(ot) {
case OT_BYTE:
gen_op_mov_TN_reg(OT_BYTE, 1, R_EAX);
tcg_gen_ext8u_tl(cpu_T[0], cpu_T[0]);
tcg_gen_ext8u_tl(cpu_T[1], cpu_T[1]);
/* XXX: use 32 bit mul which could be faster */
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
gen_op_mov_reg_T0(OT_WORD, R_EAX);
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
tcg_gen_andi_tl(cpu_cc_src, cpu_T[0], 0xff00);
s->cc_op = CC_OP_MULB;
break;
case OT_WORD:
gen_op_mov_TN_reg(OT_WORD, 1, R_EAX);
tcg_gen_ext16u_tl(cpu_T[0], cpu_T[0]);
tcg_gen_ext16u_tl(cpu_T[1], cpu_T[1]);
/* XXX: use 32 bit mul which could be faster */
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
gen_op_mov_reg_T0(OT_WORD, R_EAX);
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 16);
gen_op_mov_reg_T0(OT_WORD, R_EDX);
tcg_gen_mov_tl(cpu_cc_src, cpu_T[0]);
s->cc_op = CC_OP_MULW;
break;
default:
case OT_LONG:
#ifdef TARGET_X86_64
gen_op_mov_TN_reg(OT_LONG, 1, R_EAX);
tcg_gen_ext32u_tl(cpu_T[0], cpu_T[0]);
tcg_gen_ext32u_tl(cpu_T[1], cpu_T[1]);
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
gen_op_mov_reg_T0(OT_LONG, R_EAX);
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 32);
gen_op_mov_reg_T0(OT_LONG, R_EDX);
tcg_gen_mov_tl(cpu_cc_src, cpu_T[0]);
#else
{
TCGv t0, t1;
t0 = tcg_temp_new(TCG_TYPE_I64);
t1 = tcg_temp_new(TCG_TYPE_I64);
gen_op_mov_TN_reg(OT_LONG, 1, R_EAX);
tcg_gen_extu_i32_i64(t0, cpu_T[0]);
tcg_gen_extu_i32_i64(t1, cpu_T[1]);
tcg_gen_mul_i64(t0, t0, t1);
tcg_gen_trunc_i64_i32(cpu_T[0], t0);
gen_op_mov_reg_T0(OT_LONG, R_EAX);
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
tcg_gen_shri_i64(t0, t0, 32);
tcg_gen_trunc_i64_i32(cpu_T[0], t0);
gen_op_mov_reg_T0(OT_LONG, R_EDX);
tcg_gen_mov_tl(cpu_cc_src, cpu_T[0]);
}
#endif
s->cc_op = CC_OP_MULL;
break;
#ifdef TARGET_X86_64
case OT_QUAD:
tcg_gen_helper_0_1(helper_mulq_EAX_T0, cpu_T[0]);
s->cc_op = CC_OP_MULQ;
break;
#endif
}
break;
case 5: /* imul */
switch(ot) {
case OT_BYTE:
gen_op_mov_TN_reg(OT_BYTE, 1, R_EAX);
tcg_gen_ext8s_tl(cpu_T[0], cpu_T[0]);
tcg_gen_ext8s_tl(cpu_T[1], cpu_T[1]);
/* XXX: use 32 bit mul which could be faster */
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
gen_op_mov_reg_T0(OT_WORD, R_EAX);
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
tcg_gen_ext8s_tl(cpu_tmp0, cpu_T[0]);
tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
s->cc_op = CC_OP_MULB;
break;
case OT_WORD:
gen_op_mov_TN_reg(OT_WORD, 1, R_EAX);
tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]);
tcg_gen_ext16s_tl(cpu_T[1], cpu_T[1]);
/* XXX: use 32 bit mul which could be faster */
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
gen_op_mov_reg_T0(OT_WORD, R_EAX);
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
tcg_gen_ext16s_tl(cpu_tmp0, cpu_T[0]);
tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 16);
gen_op_mov_reg_T0(OT_WORD, R_EDX);
s->cc_op = CC_OP_MULW;
break;
default:
case OT_LONG:
#ifdef TARGET_X86_64
gen_op_mov_TN_reg(OT_LONG, 1, R_EAX);
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
tcg_gen_ext32s_tl(cpu_T[1], cpu_T[1]);
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
gen_op_mov_reg_T0(OT_LONG, R_EAX);
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
tcg_gen_ext32s_tl(cpu_tmp0, cpu_T[0]);
tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 32);
gen_op_mov_reg_T0(OT_LONG, R_EDX);
#else
{
TCGv t0, t1;
t0 = tcg_temp_new(TCG_TYPE_I64);
t1 = tcg_temp_new(TCG_TYPE_I64);
gen_op_mov_TN_reg(OT_LONG, 1, R_EAX);
tcg_gen_ext_i32_i64(t0, cpu_T[0]);
tcg_gen_ext_i32_i64(t1, cpu_T[1]);
tcg_gen_mul_i64(t0, t0, t1);
tcg_gen_trunc_i64_i32(cpu_T[0], t0);
gen_op_mov_reg_T0(OT_LONG, R_EAX);
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
tcg_gen_sari_tl(cpu_tmp0, cpu_T[0], 31);
tcg_gen_shri_i64(t0, t0, 32);
tcg_gen_trunc_i64_i32(cpu_T[0], t0);
gen_op_mov_reg_T0(OT_LONG, R_EDX);
tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
}
#endif
s->cc_op = CC_OP_MULL;
break;
#ifdef TARGET_X86_64
case OT_QUAD:
tcg_gen_helper_0_1(helper_imulq_EAX_T0, cpu_T[0]);
s->cc_op = CC_OP_MULQ;
break;
#endif
}
break;
case 6: /* div */
switch(ot) {
case OT_BYTE:
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_1(helper_divb_AL, cpu_T[0]);
break;
case OT_WORD:
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_1(helper_divw_AX, cpu_T[0]);
break;
default:
case OT_LONG:
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_1(helper_divl_EAX, cpu_T[0]);
break;
#ifdef TARGET_X86_64
case OT_QUAD:
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_1(helper_divq_EAX, cpu_T[0]);
break;
#endif
}
break;
case 7: /* idiv */
switch(ot) {
case OT_BYTE:
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_1(helper_idivb_AL, cpu_T[0]);
break;
case OT_WORD:
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_1(helper_idivw_AX, cpu_T[0]);
break;
default:
case OT_LONG:
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_1(helper_idivl_EAX, cpu_T[0]);
break;
#ifdef TARGET_X86_64
case OT_QUAD:
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_1(helper_idivq_EAX, cpu_T[0]);
break;
#endif
}
break;
default:
goto illegal_op;
}
break;
case 0xfe: /* GRP4 */
case 0xff: /* GRP5 */
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag + OT_WORD;
modrm = ldub_code(s->pc++);
mod = (modrm >> 6) & 3;
rm = (modrm & 7) | REX_B(s);
op = (modrm >> 3) & 7;
if (op >= 2 && b == 0xfe) {
goto illegal_op;
}
if (CODE64(s)) {
if (op == 2 || op == 4) {
/* operand size for jumps is 64 bit */
ot = OT_QUAD;
} else if (op == 3 || op == 5) {
/* for call calls, the operand is 16 or 32 bit, even
in long mode */
ot = dflag ? OT_LONG : OT_WORD;
} else if (op == 6) {
/* default push size is 64 bit */
ot = dflag ? OT_QUAD : OT_WORD;
}
}
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
if (op >= 2 && op != 3 && op != 5)
gen_op_ld_T0_A0(ot + s->mem_index);
} else {
gen_op_mov_TN_reg(ot, 0, rm);
}
switch(op) {
case 0: /* inc Ev */
if (mod != 3)
opreg = OR_TMP0;
else
opreg = rm;
gen_inc(s, ot, opreg, 1);
break;
case 1: /* dec Ev */
if (mod != 3)
opreg = OR_TMP0;
else
opreg = rm;
gen_inc(s, ot, opreg, -1);
break;
case 2: /* call Ev */
/* XXX: optimize if memory (no 'and' is necessary) */
if (s->dflag == 0)
gen_op_andl_T0_ffff();
next_eip = s->pc - s->cs_base;
gen_movtl_T1_im(next_eip);
gen_push_T1(s);
gen_op_jmp_T0();
gen_eob(s);
break;
case 3: /* lcall Ev */
gen_op_ld_T1_A0(ot + s->mem_index);
gen_add_A0_im(s, 1 << (ot - OT_WORD + 1));
gen_op_ldu_T0_A0(OT_WORD + s->mem_index);
do_lcall:
if (s->pe && !s->vm86) {
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
tcg_gen_helper_0_4(helper_lcall_protected,
cpu_tmp2_i32, cpu_T[1],
tcg_const_i32(dflag),
tcg_const_i32(s->pc - pc_start));
} else {
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
tcg_gen_helper_0_4(helper_lcall_real,
cpu_tmp2_i32, cpu_T[1],
tcg_const_i32(dflag),
tcg_const_i32(s->pc - s->cs_base));
}
gen_eob(s);
break;
case 4: /* jmp Ev */
if (s->dflag == 0)
gen_op_andl_T0_ffff();
gen_op_jmp_T0();
gen_eob(s);
break;
case 5: /* ljmp Ev */
gen_op_ld_T1_A0(ot + s->mem_index);
gen_add_A0_im(s, 1 << (ot - OT_WORD + 1));
gen_op_ldu_T0_A0(OT_WORD + s->mem_index);
do_ljmp:
if (s->pe && !s->vm86) {
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
tcg_gen_helper_0_3(helper_ljmp_protected,
cpu_tmp2_i32,
cpu_T[1],
tcg_const_i32(s->pc - pc_start));
} else {
gen_op_movl_seg_T0_vm(R_CS);
gen_op_movl_T0_T1();
gen_op_jmp_T0();
}
gen_eob(s);
break;
case 6: /* push Ev */
gen_push_T0(s);
break;
default:
goto illegal_op;
}
break;
case 0x84: /* test Ev, Gv */
case 0x85:
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag + OT_WORD;
modrm = ldub_code(s->pc++);
mod = (modrm >> 6) & 3;
rm = (modrm & 7) | REX_B(s);
reg = ((modrm >> 3) & 7) | rex_r;
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
gen_op_mov_TN_reg(ot, 1, reg);
gen_op_testl_T0_T1_cc();
s->cc_op = CC_OP_LOGICB + ot;
break;
case 0xa8: /* test eAX, Iv */
case 0xa9:
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag + OT_WORD;
val = insn_get(s, ot);
gen_op_mov_TN_reg(ot, 0, OR_EAX);
gen_op_movl_T1_im(val);
gen_op_testl_T0_T1_cc();
s->cc_op = CC_OP_LOGICB + ot;
break;
case 0x98: /* CWDE/CBW */
#ifdef TARGET_X86_64
if (dflag == 2) {
gen_op_mov_TN_reg(OT_LONG, 0, R_EAX);
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
gen_op_mov_reg_T0(OT_QUAD, R_EAX);
} else
#endif
if (dflag == 1) {
gen_op_mov_TN_reg(OT_WORD, 0, R_EAX);
tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]);
gen_op_mov_reg_T0(OT_LONG, R_EAX);
} else {
gen_op_mov_TN_reg(OT_BYTE, 0, R_EAX);
tcg_gen_ext8s_tl(cpu_T[0], cpu_T[0]);
gen_op_mov_reg_T0(OT_WORD, R_EAX);
}
break;
case 0x99: /* CDQ/CWD */
#ifdef TARGET_X86_64
if (dflag == 2) {
gen_op_mov_TN_reg(OT_QUAD, 0, R_EAX);
tcg_gen_sari_tl(cpu_T[0], cpu_T[0], 63);
gen_op_mov_reg_T0(OT_QUAD, R_EDX);
} else
#endif
if (dflag == 1) {
gen_op_mov_TN_reg(OT_LONG, 0, R_EAX);
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
tcg_gen_sari_tl(cpu_T[0], cpu_T[0], 31);
gen_op_mov_reg_T0(OT_LONG, R_EDX);
} else {
gen_op_mov_TN_reg(OT_WORD, 0, R_EAX);
tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]);
tcg_gen_sari_tl(cpu_T[0], cpu_T[0], 15);
gen_op_mov_reg_T0(OT_WORD, R_EDX);
}
break;
case 0x1af: /* imul Gv, Ev */
case 0x69: /* imul Gv, Ev, I */
case 0x6b:
ot = dflag + OT_WORD;
modrm = ldub_code(s->pc++);
reg = ((modrm >> 3) & 7) | rex_r;
if (b == 0x69)
s->rip_offset = insn_const_size(ot);
else if (b == 0x6b)
s->rip_offset = 1;
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
if (b == 0x69) {
val = insn_get(s, ot);
gen_op_movl_T1_im(val);
} else if (b == 0x6b) {
val = (int8_t)insn_get(s, OT_BYTE);
gen_op_movl_T1_im(val);
} else {
gen_op_mov_TN_reg(ot, 1, reg);
}
#ifdef TARGET_X86_64
if (ot == OT_QUAD) {
tcg_gen_helper_1_2(helper_imulq_T0_T1, cpu_T[0], cpu_T[0], cpu_T[1]);
} else
#endif
if (ot == OT_LONG) {
#ifdef TARGET_X86_64
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
tcg_gen_ext32s_tl(cpu_T[1], cpu_T[1]);
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
tcg_gen_ext32s_tl(cpu_tmp0, cpu_T[0]);
tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
#else
{
TCGv t0, t1;
t0 = tcg_temp_new(TCG_TYPE_I64);
t1 = tcg_temp_new(TCG_TYPE_I64);
tcg_gen_ext_i32_i64(t0, cpu_T[0]);
tcg_gen_ext_i32_i64(t1, cpu_T[1]);
tcg_gen_mul_i64(t0, t0, t1);
tcg_gen_trunc_i64_i32(cpu_T[0], t0);
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
tcg_gen_sari_tl(cpu_tmp0, cpu_T[0], 31);
tcg_gen_shri_i64(t0, t0, 32);
tcg_gen_trunc_i64_i32(cpu_T[1], t0);
tcg_gen_sub_tl(cpu_cc_src, cpu_T[1], cpu_tmp0);
}
#endif
} else {
tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]);
tcg_gen_ext16s_tl(cpu_T[1], cpu_T[1]);
/* XXX: use 32 bit mul which could be faster */
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
tcg_gen_ext16s_tl(cpu_tmp0, cpu_T[0]);
tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
}
gen_op_mov_reg_T0(ot, reg);
s->cc_op = CC_OP_MULB + ot;
break;
case 0x1c0:
case 0x1c1: /* xadd Ev, Gv */
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag + OT_WORD;
modrm = ldub_code(s->pc++);
reg = ((modrm >> 3) & 7) | rex_r;
mod = (modrm >> 6) & 3;
if (mod == 3) {
rm = (modrm & 7) | REX_B(s);
gen_op_mov_TN_reg(ot, 0, reg);
gen_op_mov_TN_reg(ot, 1, rm);
gen_op_addl_T0_T1();
gen_op_mov_reg_T1(ot, reg);
gen_op_mov_reg_T0(ot, rm);
} else {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_op_mov_TN_reg(ot, 0, reg);
gen_op_ld_T1_A0(ot + s->mem_index);
gen_op_addl_T0_T1();
gen_op_st_T0_A0(ot + s->mem_index);
gen_op_mov_reg_T1(ot, reg);
}
gen_op_update2_cc();
s->cc_op = CC_OP_ADDB + ot;
break;
case 0x1b0:
case 0x1b1: /* cmpxchg Ev, Gv */
{
int label1, label2;
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag + OT_WORD;
modrm = ldub_code(s->pc++);
reg = ((modrm >> 3) & 7) | rex_r;
mod = (modrm >> 6) & 3;
gen_op_mov_TN_reg(ot, 1, reg);
if (mod == 3) {
rm = (modrm & 7) | REX_B(s);
gen_op_mov_TN_reg(ot, 0, rm);
} else {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_op_ld_T0_A0(ot + s->mem_index);
rm = 0; /* avoid warning */
}
label1 = gen_new_label();
tcg_gen_ld_tl(cpu_T3, cpu_env, offsetof(CPUState, regs[R_EAX]));
tcg_gen_sub_tl(cpu_T3, cpu_T3, cpu_T[0]);
gen_extu(ot, cpu_T3);
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T3, 0, label1);
if (mod == 3) {
label2 = gen_new_label();
gen_op_mov_reg_T0(ot, R_EAX);
tcg_gen_br(label2);
gen_set_label(label1);
gen_op_mov_reg_T1(ot, rm);
gen_set_label(label2);
} else {
tcg_gen_mov_tl(cpu_T[1], cpu_T[0]);
gen_op_mov_reg_T0(ot, R_EAX);
gen_set_label(label1);
/* always store */
gen_op_st_T1_A0(ot + s->mem_index);
}
tcg_gen_mov_tl(cpu_cc_src, cpu_T[0]);
tcg_gen_mov_tl(cpu_cc_dst, cpu_T3);
s->cc_op = CC_OP_SUBB + ot;
}
break;
case 0x1c7: /* cmpxchg8b */
modrm = ldub_code(s->pc++);
mod = (modrm >> 6) & 3;
if ((mod == 3) || ((modrm & 0x38) != 0x8))
goto illegal_op;
#ifdef TARGET_X86_64
if (dflag == 2) {
if (!(s->cpuid_ext_features & CPUID_EXT_CX16))
goto illegal_op;
gen_jmp_im(pc_start - s->cs_base);
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
tcg_gen_helper_0_1(helper_cmpxchg16b, cpu_A0);
} else
#endif
{
if (!(s->cpuid_features & CPUID_CX8))
goto illegal_op;
gen_jmp_im(pc_start - s->cs_base);
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
tcg_gen_helper_0_1(helper_cmpxchg8b, cpu_A0);
}
s->cc_op = CC_OP_EFLAGS;
break;
/**************************/
/* push/pop */
case 0x50 ... 0x57: /* push */
gen_op_mov_TN_reg(OT_LONG, 0, (b & 7) | REX_B(s));
gen_push_T0(s);
break;
case 0x58 ... 0x5f: /* pop */
if (CODE64(s)) {
ot = dflag ? OT_QUAD : OT_WORD;
} else {
ot = dflag + OT_WORD;
}
gen_pop_T0(s);
/* NOTE: order is important for pop %sp */
gen_pop_update(s);
gen_op_mov_reg_T0(ot, (b & 7) | REX_B(s));
break;
case 0x60: /* pusha */
if (CODE64(s))
goto illegal_op;
gen_pusha(s);
break;
case 0x61: /* popa */
if (CODE64(s))
goto illegal_op;
gen_popa(s);
break;
case 0x68: /* push Iv */
case 0x6a:
if (CODE64(s)) {
ot = dflag ? OT_QUAD : OT_WORD;
} else {
ot = dflag + OT_WORD;
}
if (b == 0x68)
val = insn_get(s, ot);
else
val = (int8_t)insn_get(s, OT_BYTE);
gen_op_movl_T0_im(val);
gen_push_T0(s);
break;
case 0x8f: /* pop Ev */
if (CODE64(s)) {
ot = dflag ? OT_QUAD : OT_WORD;
} else {
ot = dflag + OT_WORD;
}
modrm = ldub_code(s->pc++);
mod = (modrm >> 6) & 3;
gen_pop_T0(s);
if (mod == 3) {
/* NOTE: order is important for pop %sp */
gen_pop_update(s);
rm = (modrm & 7) | REX_B(s);
gen_op_mov_reg_T0(ot, rm);
} else {
/* NOTE: order is important too for MMU exceptions */
s->popl_esp_hack = 1 << ot;
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1);
s->popl_esp_hack = 0;
gen_pop_update(s);
}
break;
case 0xc8: /* enter */
{
int level;
val = lduw_code(s->pc);
s->pc += 2;
level = ldub_code(s->pc++);
gen_enter(s, val, level);
}
break;
case 0xc9: /* leave */
/* XXX: exception not precise (ESP is updated before potential exception) */
if (CODE64(s)) {
gen_op_mov_TN_reg(OT_QUAD, 0, R_EBP);
gen_op_mov_reg_T0(OT_QUAD, R_ESP);
} else if (s->ss32) {
gen_op_mov_TN_reg(OT_LONG, 0, R_EBP);
gen_op_mov_reg_T0(OT_LONG, R_ESP);
} else {
gen_op_mov_TN_reg(OT_WORD, 0, R_EBP);
gen_op_mov_reg_T0(OT_WORD, R_ESP);
}
gen_pop_T0(s);
if (CODE64(s)) {
ot = dflag ? OT_QUAD : OT_WORD;
} else {
ot = dflag + OT_WORD;
}
gen_op_mov_reg_T0(ot, R_EBP);
gen_pop_update(s);
break;
case 0x06: /* push es */
case 0x0e: /* push cs */
case 0x16: /* push ss */
case 0x1e: /* push ds */
if (CODE64(s))
goto illegal_op;
gen_op_movl_T0_seg(b >> 3);
gen_push_T0(s);
break;
case 0x1a0: /* push fs */
case 0x1a8: /* push gs */
gen_op_movl_T0_seg((b >> 3) & 7);
gen_push_T0(s);
break;
case 0x07: /* pop es */
case 0x17: /* pop ss */
case 0x1f: /* pop ds */
if (CODE64(s))
goto illegal_op;
reg = b >> 3;
gen_pop_T0(s);
gen_movl_seg_T0(s, reg, pc_start - s->cs_base);
gen_pop_update(s);
if (reg == R_SS) {
/* if reg == SS, inhibit interrupts/trace. */
/* If several instructions disable interrupts, only the
_first_ does it */
if (!(s->tb->flags & HF_INHIBIT_IRQ_MASK))
tcg_gen_helper_0_0(helper_set_inhibit_irq);
s->tf = 0;
}
if (s->is_jmp) {
gen_jmp_im(s->pc - s->cs_base);
gen_eob(s);
}
break;
case 0x1a1: /* pop fs */
case 0x1a9: /* pop gs */
gen_pop_T0(s);
gen_movl_seg_T0(s, (b >> 3) & 7, pc_start - s->cs_base);
gen_pop_update(s);
if (s->is_jmp) {
gen_jmp_im(s->pc - s->cs_base);
gen_eob(s);
}
break;
/**************************/
/* mov */
case 0x88:
case 0x89: /* mov Gv, Ev */
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag + OT_WORD;
modrm = ldub_code(s->pc++);
reg = ((modrm >> 3) & 7) | rex_r;
/* generate a generic store */
gen_ldst_modrm(s, modrm, ot, reg, 1);
break;
case 0xc6:
case 0xc7: /* mov Ev, Iv */
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag + OT_WORD;
modrm = ldub_code(s->pc++);
mod = (modrm >> 6) & 3;
if (mod != 3) {
s->rip_offset = insn_const_size(ot);
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
}
val = insn_get(s, ot);
gen_op_movl_T0_im(val);
if (mod != 3)
gen_op_st_T0_A0(ot + s->mem_index);
else
gen_op_mov_reg_T0(ot, (modrm & 7) | REX_B(s));
break;
case 0x8a:
case 0x8b: /* mov Ev, Gv */
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = OT_WORD + dflag;
modrm = ldub_code(s->pc++);
reg = ((modrm >> 3) & 7) | rex_r;
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
gen_op_mov_reg_T0(ot, reg);
break;
case 0x8e: /* mov seg, Gv */
modrm = ldub_code(s->pc++);
reg = (modrm >> 3) & 7;
if (reg >= 6 || reg == R_CS)
goto illegal_op;
gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
gen_movl_seg_T0(s, reg, pc_start - s->cs_base);
if (reg == R_SS) {
/* if reg == SS, inhibit interrupts/trace */
/* If several instructions disable interrupts, only the
_first_ does it */
if (!(s->tb->flags & HF_INHIBIT_IRQ_MASK))
tcg_gen_helper_0_0(helper_set_inhibit_irq);
s->tf = 0;
}
if (s->is_jmp) {
gen_jmp_im(s->pc - s->cs_base);
gen_eob(s);
}
break;
case 0x8c: /* mov Gv, seg */
modrm = ldub_code(s->pc++);
reg = (modrm >> 3) & 7;
mod = (modrm >> 6) & 3;
if (reg >= 6)
goto illegal_op;
gen_op_movl_T0_seg(reg);
if (mod == 3)
ot = OT_WORD + dflag;
else
ot = OT_WORD;
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1);
break;
case 0x1b6: /* movzbS Gv, Eb */
case 0x1b7: /* movzwS Gv, Eb */
case 0x1be: /* movsbS Gv, Eb */
case 0x1bf: /* movswS Gv, Eb */
{
int d_ot;
/* d_ot is the size of destination */
d_ot = dflag + OT_WORD;
/* ot is the size of source */
ot = (b & 1) + OT_BYTE;
modrm = ldub_code(s->pc++);
reg = ((modrm >> 3) & 7) | rex_r;
mod = (modrm >> 6) & 3;
rm = (modrm & 7) | REX_B(s);
if (mod == 3) {
gen_op_mov_TN_reg(ot, 0, rm);
switch(ot | (b & 8)) {
case OT_BYTE:
tcg_gen_ext8u_tl(cpu_T[0], cpu_T[0]);
break;
case OT_BYTE | 8:
tcg_gen_ext8s_tl(cpu_T[0], cpu_T[0]);
break;
case OT_WORD:
tcg_gen_ext16u_tl(cpu_T[0], cpu_T[0]);
break;
default:
case OT_WORD | 8:
tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]);
break;
}
gen_op_mov_reg_T0(d_ot, reg);
} else {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
if (b & 8) {
gen_op_lds_T0_A0(ot + s->mem_index);
} else {
gen_op_ldu_T0_A0(ot + s->mem_index);
}
gen_op_mov_reg_T0(d_ot, reg);
}
}
break;
case 0x8d: /* lea */
ot = dflag + OT_WORD;
modrm = ldub_code(s->pc++);
mod = (modrm >> 6) & 3;
if (mod == 3)
goto illegal_op;
reg = ((modrm >> 3) & 7) | rex_r;
/* we must ensure that no segment is added */
s->override = -1;
val = s->addseg;
s->addseg = 0;
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
s->addseg = val;
gen_op_mov_reg_A0(ot - OT_WORD, reg);
break;
case 0xa0: /* mov EAX, Ov */
case 0xa1:
case 0xa2: /* mov Ov, EAX */
case 0xa3:
{
target_ulong offset_addr;
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag + OT_WORD;
#ifdef TARGET_X86_64
if (s->aflag == 2) {
offset_addr = ldq_code(s->pc);
s->pc += 8;
gen_op_movq_A0_im(offset_addr);
} else
#endif
{
if (s->aflag) {
offset_addr = insn_get(s, OT_LONG);
} else {
offset_addr = insn_get(s, OT_WORD);
}
gen_op_movl_A0_im(offset_addr);
}
gen_add_A0_ds_seg(s);
if ((b & 2) == 0) {
gen_op_ld_T0_A0(ot + s->mem_index);
gen_op_mov_reg_T0(ot, R_EAX);
} else {
gen_op_mov_TN_reg(ot, 0, R_EAX);
gen_op_st_T0_A0(ot + s->mem_index);
}
}
break;
case 0xd7: /* xlat */
#ifdef TARGET_X86_64
if (s->aflag == 2) {
gen_op_movq_A0_reg(R_EBX);
gen_op_mov_TN_reg(OT_QUAD, 0, R_EAX);
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xff);
tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_T[0]);
} else
#endif
{
gen_op_movl_A0_reg(R_EBX);
gen_op_mov_TN_reg(OT_LONG, 0, R_EAX);
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xff);
tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_T[0]);
if (s->aflag == 0)
gen_op_andl_A0_ffff();
else
tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffffffff);
}
gen_add_A0_ds_seg(s);
gen_op_ldu_T0_A0(OT_BYTE + s->mem_index);
gen_op_mov_reg_T0(OT_BYTE, R_EAX);
break;
case 0xb0 ... 0xb7: /* mov R, Ib */
val = insn_get(s, OT_BYTE);
gen_op_movl_T0_im(val);
gen_op_mov_reg_T0(OT_BYTE, (b & 7) | REX_B(s));
break;
case 0xb8 ... 0xbf: /* mov R, Iv */
#ifdef TARGET_X86_64
if (dflag == 2) {
uint64_t tmp;
/* 64 bit case */
tmp = ldq_code(s->pc);
s->pc += 8;
reg = (b & 7) | REX_B(s);
gen_movtl_T0_im(tmp);
gen_op_mov_reg_T0(OT_QUAD, reg);
} else
#endif
{
ot = dflag ? OT_LONG : OT_WORD;
val = insn_get(s, ot);
reg = (b & 7) | REX_B(s);
gen_op_movl_T0_im(val);
gen_op_mov_reg_T0(ot, reg);
}
break;
case 0x91 ... 0x97: /* xchg R, EAX */
ot = dflag + OT_WORD;
reg = (b & 7) | REX_B(s);
rm = R_EAX;
goto do_xchg_reg;
case 0x86:
case 0x87: /* xchg Ev, Gv */
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag + OT_WORD;
modrm = ldub_code(s->pc++);
reg = ((modrm >> 3) & 7) | rex_r;
mod = (modrm >> 6) & 3;
if (mod == 3) {
rm = (modrm & 7) | REX_B(s);
do_xchg_reg:
gen_op_mov_TN_reg(ot, 0, reg);
gen_op_mov_TN_reg(ot, 1, rm);
gen_op_mov_reg_T0(ot, rm);
gen_op_mov_reg_T1(ot, reg);
} else {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_op_mov_TN_reg(ot, 0, reg);
/* for xchg, lock is implicit */
if (!(prefixes & PREFIX_LOCK))
tcg_gen_helper_0_0(helper_lock);
gen_op_ld_T1_A0(ot + s->mem_index);
gen_op_st_T0_A0(ot + s->mem_index);
if (!(prefixes & PREFIX_LOCK))
tcg_gen_helper_0_0(helper_unlock);
gen_op_mov_reg_T1(ot, reg);
}
break;
case 0xc4: /* les Gv */
if (CODE64(s))
goto illegal_op;
op = R_ES;
goto do_lxx;
case 0xc5: /* lds Gv */
if (CODE64(s))
goto illegal_op;
op = R_DS;
goto do_lxx;
case 0x1b2: /* lss Gv */
op = R_SS;
goto do_lxx;
case 0x1b4: /* lfs Gv */
op = R_FS;
goto do_lxx;
case 0x1b5: /* lgs Gv */
op = R_GS;
do_lxx:
ot = dflag ? OT_LONG : OT_WORD;
modrm = ldub_code(s->pc++);
reg = ((modrm >> 3) & 7) | rex_r;
mod = (modrm >> 6) & 3;
if (mod == 3)
goto illegal_op;
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_op_ld_T1_A0(ot + s->mem_index);
gen_add_A0_im(s, 1 << (ot - OT_WORD + 1));
/* load the segment first to handle exceptions properly */
gen_op_ldu_T0_A0(OT_WORD + s->mem_index);
gen_movl_seg_T0(s, op, pc_start - s->cs_base);
/* then put the data */
gen_op_mov_reg_T1(ot, reg);
if (s->is_jmp) {
gen_jmp_im(s->pc - s->cs_base);
gen_eob(s);
}
break;
/************************/
/* shifts */
case 0xc0:
case 0xc1:
/* shift Ev,Ib */
shift = 2;
grp2:
{
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag + OT_WORD;
modrm = ldub_code(s->pc++);
mod = (modrm >> 6) & 3;
op = (modrm >> 3) & 7;
if (mod != 3) {
if (shift == 2) {
s->rip_offset = 1;
}
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
opreg = OR_TMP0;
} else {
opreg = (modrm & 7) | REX_B(s);
}
/* simpler op */
if (shift == 0) {
gen_shift(s, op, ot, opreg, OR_ECX);
} else {
if (shift == 2) {
shift = ldub_code(s->pc++);
}
gen_shifti(s, op, ot, opreg, shift);
}
}
break;
case 0xd0:
case 0xd1:
/* shift Ev,1 */
shift = 1;
goto grp2;
case 0xd2:
case 0xd3:
/* shift Ev,cl */
shift = 0;
goto grp2;
case 0x1a4: /* shld imm */
op = 0;
shift = 1;
goto do_shiftd;
case 0x1a5: /* shld cl */
op = 0;
shift = 0;
goto do_shiftd;
case 0x1ac: /* shrd imm */
op = 1;
shift = 1;
goto do_shiftd;
case 0x1ad: /* shrd cl */
op = 1;
shift = 0;
do_shiftd:
ot = dflag + OT_WORD;
modrm = ldub_code(s->pc++);
mod = (modrm >> 6) & 3;
rm = (modrm & 7) | REX_B(s);
reg = ((modrm >> 3) & 7) | rex_r;
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
opreg = OR_TMP0;
} else {
opreg = rm;
}
gen_op_mov_TN_reg(ot, 1, reg);
if (shift) {
val = ldub_code(s->pc++);
tcg_gen_movi_tl(cpu_T3, val);
} else {
tcg_gen_ld_tl(cpu_T3, cpu_env, offsetof(CPUState, regs[R_ECX]));
}
gen_shiftd_rm_T1_T3(s, ot, opreg, op);
break;
/************************/
/* floats */
case 0xd8 ... 0xdf:
if (s->flags & (HF_EM_MASK | HF_TS_MASK)) {
/* if CR0.EM or CR0.TS are set, generate an FPU exception */
/* XXX: what to do if illegal op ? */
gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
break;
}
modrm = ldub_code(s->pc++);
mod = (modrm >> 6) & 3;
rm = modrm & 7;
op = ((b & 7) << 3) | ((modrm >> 3) & 7);
if (mod != 3) {
/* memory op */
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
switch(op) {
case 0x00 ... 0x07: /* fxxxs */
case 0x10 ... 0x17: /* fixxxl */
case 0x20 ... 0x27: /* fxxxl */
case 0x30 ... 0x37: /* fixxx */
{
int op1;
op1 = op & 7;
switch(op >> 4) {
case 0:
gen_op_ld_T0_A0(OT_LONG + s->mem_index);
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
tcg_gen_helper_0_1(helper_flds_FT0, cpu_tmp2_i32);
break;
case 1:
gen_op_ld_T0_A0(OT_LONG + s->mem_index);
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
tcg_gen_helper_0_1(helper_fildl_FT0, cpu_tmp2_i32);
break;
case 2:
tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0,
(s->mem_index >> 2) - 1);
tcg_gen_helper_0_1(helper_fldl_FT0, cpu_tmp1_i64);
break;
case 3:
default:
gen_op_lds_T0_A0(OT_WORD + s->mem_index);
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
tcg_gen_helper_0_1(helper_fildl_FT0, cpu_tmp2_i32);
break;
}
tcg_gen_helper_0_0(helper_fp_arith_ST0_FT0[op1]);
if (op1 == 3) {
/* fcomp needs pop */
tcg_gen_helper_0_0(helper_fpop);
}
}
break;
case 0x08: /* flds */
case 0x0a: /* fsts */
case 0x0b: /* fstps */
case 0x18 ... 0x1b: /* fildl, fisttpl, fistl, fistpl */
case 0x28 ... 0x2b: /* fldl, fisttpll, fstl, fstpl */
case 0x38 ... 0x3b: /* filds, fisttps, fists, fistps */
switch(op & 7) {
case 0:
switch(op >> 4) {
case 0:
gen_op_ld_T0_A0(OT_LONG + s->mem_index);
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
tcg_gen_helper_0_1(helper_flds_ST0, cpu_tmp2_i32);
break;
case 1:
gen_op_ld_T0_A0(OT_LONG + s->mem_index);
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
tcg_gen_helper_0_1(helper_fildl_ST0, cpu_tmp2_i32);
break;
case 2:
tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0,
(s->mem_index >> 2) - 1);
tcg_gen_helper_0_1(helper_fldl_ST0, cpu_tmp1_i64);
break;
case 3:
default:
gen_op_lds_T0_A0(OT_WORD + s->mem_index);
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
tcg_gen_helper_0_1(helper_fildl_ST0, cpu_tmp2_i32);
break;
}
break;
case 1:
/* XXX: the corresponding CPUID bit must be tested ! */
switch(op >> 4) {
case 1:
tcg_gen_helper_1_0(helper_fisttl_ST0, cpu_tmp2_i32);
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
gen_op_st_T0_A0(OT_LONG + s->mem_index);
break;
case 2:
tcg_gen_helper_1_0(helper_fisttll_ST0, cpu_tmp1_i64);
tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0,
(s->mem_index >> 2) - 1);
break;
case 3:
default:
tcg_gen_helper_1_0(helper_fistt_ST0, cpu_tmp2_i32);
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
gen_op_st_T0_A0(OT_WORD + s->mem_index);
break;
}
tcg_gen_helper_0_0(helper_fpop);
break;
default:
switch(op >> 4) {
case 0:
tcg_gen_helper_1_0(helper_fsts_ST0, cpu_tmp2_i32);
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
gen_op_st_T0_A0(OT_LONG + s->mem_index);
break;
case 1:
tcg_gen_helper_1_0(helper_fistl_ST0, cpu_tmp2_i32);
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
gen_op_st_T0_A0(OT_LONG + s->mem_index);
break;
case 2:
tcg_gen_helper_1_0(helper_fstl_ST0, cpu_tmp1_i64);
tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0,
(s->mem_index >> 2) - 1);
break;
case 3:
default:
tcg_gen_helper_1_0(helper_fist_ST0, cpu_tmp2_i32);
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
gen_op_st_T0_A0(OT_WORD + s->mem_index);
break;
}
if ((op & 7) == 3)
tcg_gen_helper_0_0(helper_fpop);
break;
}
break;
case 0x0c: /* fldenv mem */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_2(helper_fldenv,
cpu_A0, tcg_const_i32(s->dflag));
break;
case 0x0d: /* fldcw mem */
gen_op_ld_T0_A0(OT_WORD + s->mem_index);
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
tcg_gen_helper_0_1(helper_fldcw, cpu_tmp2_i32);
break;
case 0x0e: /* fnstenv mem */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_2(helper_fstenv,
cpu_A0, tcg_const_i32(s->dflag));
break;
case 0x0f: /* fnstcw mem */
tcg_gen_helper_1_0(helper_fnstcw, cpu_tmp2_i32);
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
gen_op_st_T0_A0(OT_WORD + s->mem_index);
break;
case 0x1d: /* fldt mem */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_1(helper_fldt_ST0, cpu_A0);
break;
case 0x1f: /* fstpt mem */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_1(helper_fstt_ST0, cpu_A0);
tcg_gen_helper_0_0(helper_fpop);
break;
case 0x2c: /* frstor mem */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_2(helper_frstor,
cpu_A0, tcg_const_i32(s->dflag));
break;
case 0x2e: /* fnsave mem */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_2(helper_fsave,
cpu_A0, tcg_const_i32(s->dflag));
break;
case 0x2f: /* fnstsw mem */
tcg_gen_helper_1_0(helper_fnstsw, cpu_tmp2_i32);
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
gen_op_st_T0_A0(OT_WORD + s->mem_index);
break;
case 0x3c: /* fbld */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_1(helper_fbld_ST0, cpu_A0);
break;
case 0x3e: /* fbstp */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_1(helper_fbst_ST0, cpu_A0);
tcg_gen_helper_0_0(helper_fpop);
break;
case 0x3d: /* fildll */
tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0,
(s->mem_index >> 2) - 1);
tcg_gen_helper_0_1(helper_fildll_ST0, cpu_tmp1_i64);
break;
case 0x3f: /* fistpll */
tcg_gen_helper_1_0(helper_fistll_ST0, cpu_tmp1_i64);
tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0,
(s->mem_index >> 2) - 1);
tcg_gen_helper_0_0(helper_fpop);
break;
default:
goto illegal_op;
}
} else {
/* register float ops */
opreg = rm;
switch(op) {
case 0x08: /* fld sti */
tcg_gen_helper_0_0(helper_fpush);
tcg_gen_helper_0_1(helper_fmov_ST0_STN, tcg_const_i32((opreg + 1) & 7));
break;
case 0x09: /* fxchg sti */
case 0x29: /* fxchg4 sti, undocumented op */
case 0x39: /* fxchg7 sti, undocumented op */
tcg_gen_helper_0_1(helper_fxchg_ST0_STN, tcg_const_i32(opreg));
break;
case 0x0a: /* grp d9/2 */
switch(rm) {
case 0: /* fnop */
/* check exceptions (FreeBSD FPU probe) */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_0(helper_fwait);
break;
default:
goto illegal_op;
}
break;
case 0x0c: /* grp d9/4 */
switch(rm) {
case 0: /* fchs */
tcg_gen_helper_0_0(helper_fchs_ST0);
break;
case 1: /* fabs */
tcg_gen_helper_0_0(helper_fabs_ST0);
break;
case 4: /* ftst */
tcg_gen_helper_0_0(helper_fldz_FT0);
tcg_gen_helper_0_0(helper_fcom_ST0_FT0);
break;
case 5: /* fxam */
tcg_gen_helper_0_0(helper_fxam_ST0);
break;
default:
goto illegal_op;
}
break;
case 0x0d: /* grp d9/5 */
{
switch(rm) {
case 0:
tcg_gen_helper_0_0(helper_fpush);
tcg_gen_helper_0_0(helper_fld1_ST0);
break;
case 1:
tcg_gen_helper_0_0(helper_fpush);
tcg_gen_helper_0_0(helper_fldl2t_ST0);
break;
case 2:
tcg_gen_helper_0_0(helper_fpush);
tcg_gen_helper_0_0(helper_fldl2e_ST0);
break;
case 3:
tcg_gen_helper_0_0(helper_fpush);
tcg_gen_helper_0_0(helper_fldpi_ST0);
break;
case 4:
tcg_gen_helper_0_0(helper_fpush);
tcg_gen_helper_0_0(helper_fldlg2_ST0);
break;
case 5:
tcg_gen_helper_0_0(helper_fpush);
tcg_gen_helper_0_0(helper_fldln2_ST0);
break;
case 6:
tcg_gen_helper_0_0(helper_fpush);
tcg_gen_helper_0_0(helper_fldz_ST0);
break;
default:
goto illegal_op;
}
}
break;
case 0x0e: /* grp d9/6 */
switch(rm) {
case 0: /* f2xm1 */
tcg_gen_helper_0_0(helper_f2xm1);
break;
case 1: /* fyl2x */
tcg_gen_helper_0_0(helper_fyl2x);
break;
case 2: /* fptan */
tcg_gen_helper_0_0(helper_fptan);
break;
case 3: /* fpatan */
tcg_gen_helper_0_0(helper_fpatan);
break;
case 4: /* fxtract */
tcg_gen_helper_0_0(helper_fxtract);
break;
case 5: /* fprem1 */
tcg_gen_helper_0_0(helper_fprem1);
break;
case 6: /* fdecstp */
tcg_gen_helper_0_0(helper_fdecstp);
break;
default:
case 7: /* fincstp */
tcg_gen_helper_0_0(helper_fincstp);
break;
}
break;
case 0x0f: /* grp d9/7 */
switch(rm) {
case 0: /* fprem */
tcg_gen_helper_0_0(helper_fprem);
break;
case 1: /* fyl2xp1 */
tcg_gen_helper_0_0(helper_fyl2xp1);
break;
case 2: /* fsqrt */
tcg_gen_helper_0_0(helper_fsqrt);
break;
case 3: /* fsincos */
tcg_gen_helper_0_0(helper_fsincos);
break;
case 5: /* fscale */
tcg_gen_helper_0_0(helper_fscale);
break;
case 4: /* frndint */
tcg_gen_helper_0_0(helper_frndint);
break;
case 6: /* fsin */
tcg_gen_helper_0_0(helper_fsin);
break;
default:
case 7: /* fcos */
tcg_gen_helper_0_0(helper_fcos);
break;
}
break;
case 0x00: case 0x01: case 0x04 ... 0x07: /* fxxx st, sti */
case 0x20: case 0x21: case 0x24 ... 0x27: /* fxxx sti, st */
case 0x30: case 0x31: case 0x34 ... 0x37: /* fxxxp sti, st */
{
int op1;
op1 = op & 7;
if (op >= 0x20) {
tcg_gen_helper_0_1(helper_fp_arith_STN_ST0[op1], tcg_const_i32(opreg));
if (op >= 0x30)
tcg_gen_helper_0_0(helper_fpop);
} else {
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg));
tcg_gen_helper_0_0(helper_fp_arith_ST0_FT0[op1]);
}
}
break;
case 0x02: /* fcom */
case 0x22: /* fcom2, undocumented op */
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg));
tcg_gen_helper_0_0(helper_fcom_ST0_FT0);
break;
case 0x03: /* fcomp */
case 0x23: /* fcomp3, undocumented op */
case 0x32: /* fcomp5, undocumented op */
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg));
tcg_gen_helper_0_0(helper_fcom_ST0_FT0);
tcg_gen_helper_0_0(helper_fpop);
break;
case 0x15: /* da/5 */
switch(rm) {
case 1: /* fucompp */
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(1));
tcg_gen_helper_0_0(helper_fucom_ST0_FT0);
tcg_gen_helper_0_0(helper_fpop);
tcg_gen_helper_0_0(helper_fpop);
break;
default:
goto illegal_op;
}
break;
case 0x1c:
switch(rm) {
case 0: /* feni (287 only, just do nop here) */
break;
case 1: /* fdisi (287 only, just do nop here) */
break;
case 2: /* fclex */
tcg_gen_helper_0_0(helper_fclex);
break;
case 3: /* fninit */
tcg_gen_helper_0_0(helper_fninit);
break;
case 4: /* fsetpm (287 only, just do nop here) */
break;
default:
goto illegal_op;
}
break;
case 0x1d: /* fucomi */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg));
tcg_gen_helper_0_0(helper_fucomi_ST0_FT0);
s->cc_op = CC_OP_EFLAGS;
break;
case 0x1e: /* fcomi */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg));
tcg_gen_helper_0_0(helper_fcomi_ST0_FT0);
s->cc_op = CC_OP_EFLAGS;
break;
case 0x28: /* ffree sti */
tcg_gen_helper_0_1(helper_ffree_STN, tcg_const_i32(opreg));
break;
case 0x2a: /* fst sti */
tcg_gen_helper_0_1(helper_fmov_STN_ST0, tcg_const_i32(opreg));
break;
case 0x2b: /* fstp sti */
case 0x0b: /* fstp1 sti, undocumented op */
case 0x3a: /* fstp8 sti, undocumented op */
case 0x3b: /* fstp9 sti, undocumented op */
tcg_gen_helper_0_1(helper_fmov_STN_ST0, tcg_const_i32(opreg));
tcg_gen_helper_0_0(helper_fpop);
break;
case 0x2c: /* fucom st(i) */
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg));
tcg_gen_helper_0_0(helper_fucom_ST0_FT0);
break;
case 0x2d: /* fucomp st(i) */
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg));
tcg_gen_helper_0_0(helper_fucom_ST0_FT0);
tcg_gen_helper_0_0(helper_fpop);
break;
case 0x33: /* de/3 */
switch(rm) {
case 1: /* fcompp */
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(1));
tcg_gen_helper_0_0(helper_fcom_ST0_FT0);
tcg_gen_helper_0_0(helper_fpop);
tcg_gen_helper_0_0(helper_fpop);
break;
default:
goto illegal_op;
}
break;
case 0x38: /* ffreep sti, undocumented op */
tcg_gen_helper_0_1(helper_ffree_STN, tcg_const_i32(opreg));
tcg_gen_helper_0_0(helper_fpop);
break;
case 0x3c: /* df/4 */
switch(rm) {
case 0:
tcg_gen_helper_1_0(helper_fnstsw, cpu_tmp2_i32);
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
gen_op_mov_reg_T0(OT_WORD, R_EAX);
break;
default:
goto illegal_op;
}
break;
case 0x3d: /* fucomip */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg));
tcg_gen_helper_0_0(helper_fucomi_ST0_FT0);
tcg_gen_helper_0_0(helper_fpop);
s->cc_op = CC_OP_EFLAGS;
break;
case 0x3e: /* fcomip */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg));
tcg_gen_helper_0_0(helper_fcomi_ST0_FT0);
tcg_gen_helper_0_0(helper_fpop);
s->cc_op = CC_OP_EFLAGS;
break;
case 0x10 ... 0x13: /* fcmovxx */
case 0x18 ... 0x1b:
{
int op1, l1;
const static uint8_t fcmov_cc[8] = {
(JCC_B << 1),
(JCC_Z << 1),
(JCC_BE << 1),
(JCC_P << 1),
};
op1 = fcmov_cc[op & 3] | ((op >> 3) & 1);
gen_setcc(s, op1);
l1 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T[0], 0, l1);
tcg_gen_helper_0_1(helper_fmov_ST0_STN, tcg_const_i32(opreg));
gen_set_label(l1);
}
break;
default:
goto illegal_op;
}
}
break;
/************************/
/* string ops */
case 0xa4: /* movsS */
case 0xa5:
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag + OT_WORD;
if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) {
gen_repz_movs(s, ot, pc_start - s->cs_base, s->pc - s->cs_base);
} else {
gen_movs(s, ot);
}
break;
case 0xaa: /* stosS */
case 0xab:
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag + OT_WORD;
if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) {
gen_repz_stos(s, ot, pc_start - s->cs_base, s->pc - s->cs_base);
} else {
gen_stos(s, ot);
}
break;
case 0xac: /* lodsS */
case 0xad:
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag + OT_WORD;
if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) {
gen_repz_lods(s, ot, pc_start - s->cs_base, s->pc - s->cs_base);
} else {
gen_lods(s, ot);
}
break;
case 0xae: /* scasS */
case 0xaf:
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag + OT_WORD;
if (prefixes & PREFIX_REPNZ) {
gen_repz_scas(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 1);
} else if (prefixes & PREFIX_REPZ) {
gen_repz_scas(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 0);
} else {
gen_scas(s, ot);
s->cc_op = CC_OP_SUBB + ot;
}
break;
case 0xa6: /* cmpsS */
case 0xa7:
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag + OT_WORD;
if (prefixes & PREFIX_REPNZ) {
gen_repz_cmps(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 1);
} else if (prefixes & PREFIX_REPZ) {
gen_repz_cmps(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 0);
} else {
gen_cmps(s, ot);
s->cc_op = CC_OP_SUBB + ot;
}
break;
case 0x6c: /* insS */
case 0x6d:
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
gen_op_mov_TN_reg(OT_WORD, 0, R_EDX);
gen_op_andl_T0_ffff();
gen_check_io(s, ot, pc_start - s->cs_base,
SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes) | 4);
if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) {
gen_repz_ins(s, ot, pc_start - s->cs_base, s->pc - s->cs_base);
} else {
gen_ins(s, ot);
}
break;
case 0x6e: /* outsS */
case 0x6f:
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
gen_op_mov_TN_reg(OT_WORD, 0, R_EDX);
gen_op_andl_T0_ffff();
gen_check_io(s, ot, pc_start - s->cs_base,
svm_is_rep(prefixes) | 4);
if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) {
gen_repz_outs(s, ot, pc_start - s->cs_base, s->pc - s->cs_base);
} else {
gen_outs(s, ot);
}
break;
/************************/
/* port I/O */
case 0xe4:
case 0xe5:
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
val = ldub_code(s->pc++);
gen_op_movl_T0_im(val);
gen_check_io(s, ot, pc_start - s->cs_base,
SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes));
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
tcg_gen_helper_1_1(helper_in_func[ot], cpu_T[1], cpu_tmp2_i32);
gen_op_mov_reg_T1(ot, R_EAX);
break;
case 0xe6:
case 0xe7:
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
val = ldub_code(s->pc++);
gen_op_movl_T0_im(val);
gen_check_io(s, ot, pc_start - s->cs_base,
svm_is_rep(prefixes));
gen_op_mov_TN_reg(ot, 1, R_EAX);
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff);
tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T[1]);
tcg_gen_helper_0_2(helper_out_func[ot], cpu_tmp2_i32, cpu_tmp3_i32);
break;
case 0xec:
case 0xed:
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
gen_op_mov_TN_reg(OT_WORD, 0, R_EDX);
gen_op_andl_T0_ffff();
gen_check_io(s, ot, pc_start - s->cs_base,
SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes));
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
tcg_gen_helper_1_1(helper_in_func[ot], cpu_T[1], cpu_tmp2_i32);
gen_op_mov_reg_T1(ot, R_EAX);
break;
case 0xee:
case 0xef:
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
gen_op_mov_TN_reg(OT_WORD, 0, R_EDX);
gen_op_andl_T0_ffff();
gen_check_io(s, ot, pc_start - s->cs_base,
svm_is_rep(prefixes));
gen_op_mov_TN_reg(ot, 1, R_EAX);
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff);
tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T[1]);
tcg_gen_helper_0_2(helper_out_func[ot], cpu_tmp2_i32, cpu_tmp3_i32);
break;
/************************/
/* control */
case 0xc2: /* ret im */
val = ldsw_code(s->pc);
s->pc += 2;
gen_pop_T0(s);
if (CODE64(s) && s->dflag)
s->dflag = 2;
gen_stack_update(s, val + (2 << s->dflag));
if (s->dflag == 0)
gen_op_andl_T0_ffff();
gen_op_jmp_T0();
gen_eob(s);
break;
case 0xc3: /* ret */
gen_pop_T0(s);
gen_pop_update(s);
if (s->dflag == 0)
gen_op_andl_T0_ffff();
gen_op_jmp_T0();
gen_eob(s);
break;
case 0xca: /* lret im */
val = ldsw_code(s->pc);
s->pc += 2;
do_lret:
if (s->pe && !s->vm86) {
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_2(helper_lret_protected,
tcg_const_i32(s->dflag),
tcg_const_i32(val));
} else {
gen_stack_A0(s);
/* pop offset */
gen_op_ld_T0_A0(1 + s->dflag + s->mem_index);
if (s->dflag == 0)
gen_op_andl_T0_ffff();
/* NOTE: keeping EIP updated is not a problem in case of
exception */
gen_op_jmp_T0();
/* pop selector */
gen_op_addl_A0_im(2 << s->dflag);
gen_op_ld_T0_A0(1 + s->dflag + s->mem_index);
gen_op_movl_seg_T0_vm(R_CS);
/* add stack offset */
gen_stack_update(s, val + (4 << s->dflag));
}
gen_eob(s);
break;
case 0xcb: /* lret */
val = 0;
goto do_lret;
case 0xcf: /* iret */
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_IRET))
break;
if (!s->pe) {
/* real mode */
tcg_gen_helper_0_1(helper_iret_real, tcg_const_i32(s->dflag));
s->cc_op = CC_OP_EFLAGS;
} else if (s->vm86) {
if (s->iopl != 3) {
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
} else {
tcg_gen_helper_0_1(helper_iret_real, tcg_const_i32(s->dflag));
s->cc_op = CC_OP_EFLAGS;
}
} else {
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_2(helper_iret_protected,
tcg_const_i32(s->dflag),
tcg_const_i32(s->pc - s->cs_base));
s->cc_op = CC_OP_EFLAGS;
}
gen_eob(s);
break;
case 0xe8: /* call im */
{
if (dflag)
tval = (int32_t)insn_get(s, OT_LONG);
else
tval = (int16_t)insn_get(s, OT_WORD);
next_eip = s->pc - s->cs_base;
tval += next_eip;
if (s->dflag == 0)
tval &= 0xffff;
gen_movtl_T0_im(next_eip);
gen_push_T0(s);
gen_jmp(s, tval);
}
break;
case 0x9a: /* lcall im */
{
unsigned int selector, offset;
if (CODE64(s))
goto illegal_op;
ot = dflag ? OT_LONG : OT_WORD;
offset = insn_get(s, ot);
selector = insn_get(s, OT_WORD);
gen_op_movl_T0_im(selector);
gen_op_movl_T1_imu(offset);
}
goto do_lcall;
case 0xe9: /* jmp im */
if (dflag)
tval = (int32_t)insn_get(s, OT_LONG);
else
tval = (int16_t)insn_get(s, OT_WORD);
tval += s->pc - s->cs_base;
if (s->dflag == 0)
tval &= 0xffff;
gen_jmp(s, tval);
break;
case 0xea: /* ljmp im */
{
unsigned int selector, offset;
if (CODE64(s))
goto illegal_op;
ot = dflag ? OT_LONG : OT_WORD;
offset = insn_get(s, ot);
selector = insn_get(s, OT_WORD);
gen_op_movl_T0_im(selector);
gen_op_movl_T1_imu(offset);
}
goto do_ljmp;
case 0xeb: /* jmp Jb */
tval = (int8_t)insn_get(s, OT_BYTE);
tval += s->pc - s->cs_base;
if (s->dflag == 0)
tval &= 0xffff;
gen_jmp(s, tval);
break;
case 0x70 ... 0x7f: /* jcc Jb */
tval = (int8_t)insn_get(s, OT_BYTE);
goto do_jcc;
case 0x180 ... 0x18f: /* jcc Jv */
if (dflag) {
tval = (int32_t)insn_get(s, OT_LONG);
} else {
tval = (int16_t)insn_get(s, OT_WORD);
}
do_jcc:
next_eip = s->pc - s->cs_base;
tval += next_eip;
if (s->dflag == 0)
tval &= 0xffff;
gen_jcc(s, b, tval, next_eip);
break;
case 0x190 ... 0x19f: /* setcc Gv */
modrm = ldub_code(s->pc++);
gen_setcc(s, b);
gen_ldst_modrm(s, modrm, OT_BYTE, OR_TMP0, 1);
break;
case 0x140 ... 0x14f: /* cmov Gv, Ev */
{
int l1;
ot = dflag + OT_WORD;
modrm = ldub_code(s->pc++);
reg = ((modrm >> 3) & 7) | rex_r;
mod = (modrm >> 6) & 3;
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_op_ld_T1_A0(ot + s->mem_index);
} else {
rm = (modrm & 7) | REX_B(s);
gen_op_mov_TN_reg(ot, 1, rm);
}
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
#ifdef TARGET_X86_64
if (ot == OT_LONG) {
/* XXX: specific Intel behaviour ? */
l1 = gen_new_label();
gen_jcc1(s, s->cc_op, b ^ 1, l1);
tcg_gen_st32_tl(cpu_T[1], cpu_env, offsetof(CPUState, regs[reg]) + REG_L_OFFSET);
gen_set_label(l1);
tcg_gen_movi_tl(cpu_tmp0, 0);
tcg_gen_st32_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]) + REG_LH_OFFSET);
} else
#endif
{
l1 = gen_new_label();
gen_jcc1(s, s->cc_op, b ^ 1, l1);
gen_op_mov_reg_T1(ot, reg);
gen_set_label(l1);
}
}
break;
/************************/
/* flags */
case 0x9c: /* pushf */
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_PUSHF))
break;
if (s->vm86 && s->iopl != 3) {
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
} else {
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
tcg_gen_helper_1_0(helper_read_eflags, cpu_T[0]);
gen_push_T0(s);
}
break;
case 0x9d: /* popf */
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_POPF))
break;
if (s->vm86 && s->iopl != 3) {
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
} else {
gen_pop_T0(s);
if (s->cpl == 0) {
if (s->dflag) {
tcg_gen_helper_0_2(helper_write_eflags, cpu_T[0],
tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK | IOPL_MASK)));
} else {
tcg_gen_helper_0_2(helper_write_eflags, cpu_T[0],
tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK | IOPL_MASK) & 0xffff));
}
} else {
if (s->cpl <= s->iopl) {
if (s->dflag) {
tcg_gen_helper_0_2(helper_write_eflags, cpu_T[0],
tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK)));
} else {
tcg_gen_helper_0_2(helper_write_eflags, cpu_T[0],
tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK) & 0xffff));
}
} else {
if (s->dflag) {
tcg_gen_helper_0_2(helper_write_eflags, cpu_T[0],
tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK)));
} else {
tcg_gen_helper_0_2(helper_write_eflags, cpu_T[0],
tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK) & 0xffff));
}
}
}
gen_pop_update(s);
s->cc_op = CC_OP_EFLAGS;
/* abort translation because TF flag may change */
gen_jmp_im(s->pc - s->cs_base);
gen_eob(s);
}
break;
case 0x9e: /* sahf */
if (CODE64(s) && !(s->cpuid_ext3_features & CPUID_EXT3_LAHF_LM))
goto illegal_op;
gen_op_mov_TN_reg(OT_BYTE, 0, R_AH);
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_compute_eflags(cpu_cc_src);
tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, CC_O);
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], CC_S | CC_Z | CC_A | CC_P | CC_C);
tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, cpu_T[0]);
s->cc_op = CC_OP_EFLAGS;
break;
case 0x9f: /* lahf */
if (CODE64(s) && !(s->cpuid_ext3_features & CPUID_EXT3_LAHF_LM))
goto illegal_op;
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_compute_eflags(cpu_T[0]);
/* Note: gen_compute_eflags() only gives the condition codes */
tcg_gen_ori_tl(cpu_T[0], cpu_T[0], 0x02);
gen_op_mov_reg_T0(OT_BYTE, R_AH);
break;
case 0xf5: /* cmc */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_compute_eflags(cpu_cc_src);
tcg_gen_xori_tl(cpu_cc_src, cpu_cc_src, CC_C);
s->cc_op = CC_OP_EFLAGS;
break;
case 0xf8: /* clc */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_compute_eflags(cpu_cc_src);
tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, ~CC_C);
s->cc_op = CC_OP_EFLAGS;
break;
case 0xf9: /* stc */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_compute_eflags(cpu_cc_src);
tcg_gen_ori_tl(cpu_cc_src, cpu_cc_src, CC_C);
s->cc_op = CC_OP_EFLAGS;
break;
case 0xfc: /* cld */
tcg_gen_movi_i32(cpu_tmp2_i32, 1);
tcg_gen_st_i32(cpu_tmp2_i32, cpu_env, offsetof(CPUState, df));
break;
case 0xfd: /* std */
tcg_gen_movi_i32(cpu_tmp2_i32, -1);
tcg_gen_st_i32(cpu_tmp2_i32, cpu_env, offsetof(CPUState, df));
break;
/************************/
/* bit operations */
case 0x1ba: /* bt/bts/btr/btc Gv, im */
ot = dflag + OT_WORD;
modrm = ldub_code(s->pc++);
op = (modrm >> 3) & 7;
mod = (modrm >> 6) & 3;
rm = (modrm & 7) | REX_B(s);
if (mod != 3) {
s->rip_offset = 1;
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_op_ld_T0_A0(ot + s->mem_index);
} else {
gen_op_mov_TN_reg(ot, 0, rm);
}
/* load shift */
val = ldub_code(s->pc++);
gen_op_movl_T1_im(val);
if (op < 4)
goto illegal_op;
op -= 4;
goto bt_op;
case 0x1a3: /* bt Gv, Ev */
op = 0;
goto do_btx;
case 0x1ab: /* bts */
op = 1;
goto do_btx;
case 0x1b3: /* btr */
op = 2;
goto do_btx;
case 0x1bb: /* btc */
op = 3;
do_btx:
ot = dflag + OT_WORD;
modrm = ldub_code(s->pc++);
reg = ((modrm >> 3) & 7) | rex_r;
mod = (modrm >> 6) & 3;
rm = (modrm & 7) | REX_B(s);
gen_op_mov_TN_reg(OT_LONG, 1, reg);
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
/* specific case: we need to add a displacement */
gen_exts(ot, cpu_T[1]);
tcg_gen_sari_tl(cpu_tmp0, cpu_T[1], 3 + ot);
tcg_gen_shli_tl(cpu_tmp0, cpu_tmp0, ot);
tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0);
gen_op_ld_T0_A0(ot + s->mem_index);
} else {
gen_op_mov_TN_reg(ot, 0, rm);
}
bt_op:
tcg_gen_andi_tl(cpu_T[1], cpu_T[1], (1 << (3 + ot)) - 1);
switch(op) {
case 0:
tcg_gen_shr_tl(cpu_cc_src, cpu_T[0], cpu_T[1]);
tcg_gen_movi_tl(cpu_cc_dst, 0);
break;
case 1:
tcg_gen_shr_tl(cpu_tmp4, cpu_T[0], cpu_T[1]);
tcg_gen_movi_tl(cpu_tmp0, 1);
tcg_gen_shl_tl(cpu_tmp0, cpu_tmp0, cpu_T[1]);
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_tmp0);
break;
case 2:
tcg_gen_shr_tl(cpu_tmp4, cpu_T[0], cpu_T[1]);
tcg_gen_movi_tl(cpu_tmp0, 1);
tcg_gen_shl_tl(cpu_tmp0, cpu_tmp0, cpu_T[1]);
tcg_gen_not_tl(cpu_tmp0, cpu_tmp0);
tcg_gen_and_tl(cpu_T[0], cpu_T[0], cpu_tmp0);
break;
default:
case 3:
tcg_gen_shr_tl(cpu_tmp4, cpu_T[0], cpu_T[1]);
tcg_gen_movi_tl(cpu_tmp0, 1);
tcg_gen_shl_tl(cpu_tmp0, cpu_tmp0, cpu_T[1]);
tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_tmp0);
break;
}
s->cc_op = CC_OP_SARB + ot;
if (op != 0) {
if (mod != 3)
gen_op_st_T0_A0(ot + s->mem_index);
else
gen_op_mov_reg_T0(ot, rm);
tcg_gen_mov_tl(cpu_cc_src, cpu_tmp4);
tcg_gen_movi_tl(cpu_cc_dst, 0);
}
break;
case 0x1bc: /* bsf */
case 0x1bd: /* bsr */
{
int label1;
ot = dflag + OT_WORD;
modrm = ldub_code(s->pc++);
reg = ((modrm >> 3) & 7) | rex_r;
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
gen_extu(ot, cpu_T[0]);
label1 = gen_new_label();
tcg_gen_movi_tl(cpu_cc_dst, 0);
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T[0], 0, label1);
if (b & 1) {
tcg_gen_helper_1_1(helper_bsr, cpu_T[0], cpu_T[0]);
} else {
tcg_gen_helper_1_1(helper_bsf, cpu_T[0], cpu_T[0]);
}
gen_op_mov_reg_T0(ot, reg);
tcg_gen_movi_tl(cpu_cc_dst, 1);
gen_set_label(label1);
tcg_gen_discard_tl(cpu_cc_src);
s->cc_op = CC_OP_LOGICB + ot;
}
break;
/************************/
/* bcd */
case 0x27: /* daa */
if (CODE64(s))
goto illegal_op;
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
tcg_gen_helper_0_0(helper_daa);
s->cc_op = CC_OP_EFLAGS;
break;
case 0x2f: /* das */
if (CODE64(s))
goto illegal_op;
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
tcg_gen_helper_0_0(helper_das);
s->cc_op = CC_OP_EFLAGS;
break;
case 0x37: /* aaa */
if (CODE64(s))
goto illegal_op;
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
tcg_gen_helper_0_0(helper_aaa);
s->cc_op = CC_OP_EFLAGS;
break;
case 0x3f: /* aas */
if (CODE64(s))
goto illegal_op;
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
tcg_gen_helper_0_0(helper_aas);
s->cc_op = CC_OP_EFLAGS;
break;
case 0xd4: /* aam */
if (CODE64(s))
goto illegal_op;
val = ldub_code(s->pc++);
if (val == 0) {
gen_exception(s, EXCP00_DIVZ, pc_start - s->cs_base);
} else {
tcg_gen_helper_0_1(helper_aam, tcg_const_i32(val));
s->cc_op = CC_OP_LOGICB;
}
break;
case 0xd5: /* aad */
if (CODE64(s))
goto illegal_op;
val = ldub_code(s->pc++);
tcg_gen_helper_0_1(helper_aad, tcg_const_i32(val));
s->cc_op = CC_OP_LOGICB;
break;
/************************/
/* misc */
case 0x90: /* nop */
/* XXX: xchg + rex handling */
/* XXX: correct lock test for all insn */
if (prefixes & PREFIX_LOCK)
goto illegal_op;
if (prefixes & PREFIX_REPZ) {
gen_svm_check_intercept(s, pc_start, SVM_EXIT_PAUSE);
}
break;
case 0x9b: /* fwait */
if ((s->flags & (HF_MP_MASK | HF_TS_MASK)) ==
(HF_MP_MASK | HF_TS_MASK)) {
gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
} else {
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_0(helper_fwait);
}
break;
case 0xcc: /* int3 */
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_SWINT))
break;
gen_interrupt(s, EXCP03_INT3, pc_start - s->cs_base, s->pc - s->cs_base);
break;
case 0xcd: /* int N */
val = ldub_code(s->pc++);
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_SWINT))
break;
if (s->vm86 && s->iopl != 3) {
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
} else {
gen_interrupt(s, val, pc_start - s->cs_base, s->pc - s->cs_base);
}
break;
case 0xce: /* into */
if (CODE64(s))
goto illegal_op;
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_SWINT))
break;
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_1(helper_into, tcg_const_i32(s->pc - pc_start));
break;
case 0xf1: /* icebp (undocumented, exits to external debugger) */
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_ICEBP))
break;
#if 1
gen_debug(s, pc_start - s->cs_base);
#else
/* start debug */
tb_flush(cpu_single_env);
cpu_set_log(CPU_LOG_INT | CPU_LOG_TB_IN_ASM);
#endif
break;
case 0xfa: /* cli */
if (!s->vm86) {
if (s->cpl <= s->iopl) {
tcg_gen_helper_0_0(helper_cli);
} else {
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
}
} else {
if (s->iopl == 3) {
tcg_gen_helper_0_0(helper_cli);
} else {
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
}
}
break;
case 0xfb: /* sti */
if (!s->vm86) {
if (s->cpl <= s->iopl) {
gen_sti:
tcg_gen_helper_0_0(helper_sti);
/* interruptions are enabled only the first insn after sti */
/* If several instructions disable interrupts, only the
_first_ does it */
if (!(s->tb->flags & HF_INHIBIT_IRQ_MASK))
tcg_gen_helper_0_0(helper_set_inhibit_irq);
/* give a chance to handle pending irqs */
gen_jmp_im(s->pc - s->cs_base);
gen_eob(s);
} else {
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
}
} else {
if (s->iopl == 3) {
goto gen_sti;
} else {
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
}
}
break;
case 0x62: /* bound */
if (CODE64(s))
goto illegal_op;
ot = dflag ? OT_LONG : OT_WORD;
modrm = ldub_code(s->pc++);
reg = (modrm >> 3) & 7;
mod = (modrm >> 6) & 3;
if (mod == 3)
goto illegal_op;
gen_op_mov_TN_reg(ot, 0, reg);
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
if (ot == OT_WORD)
tcg_gen_helper_0_2(helper_boundw, cpu_A0, cpu_tmp2_i32);
else
tcg_gen_helper_0_2(helper_boundl, cpu_A0, cpu_tmp2_i32);
break;
case 0x1c8 ... 0x1cf: /* bswap reg */
reg = (b & 7) | REX_B(s);
#ifdef TARGET_X86_64
if (dflag == 2) {
gen_op_mov_TN_reg(OT_QUAD, 0, reg);
tcg_gen_bswap_i64(cpu_T[0], cpu_T[0]);
gen_op_mov_reg_T0(OT_QUAD, reg);
} else
{
TCGv tmp0;
gen_op_mov_TN_reg(OT_LONG, 0, reg);
tmp0 = tcg_temp_new(TCG_TYPE_I32);
tcg_gen_trunc_i64_i32(tmp0, cpu_T[0]);
tcg_gen_bswap_i32(tmp0, tmp0);
tcg_gen_extu_i32_i64(cpu_T[0], tmp0);
gen_op_mov_reg_T0(OT_LONG, reg);
}
#else
{
gen_op_mov_TN_reg(OT_LONG, 0, reg);
tcg_gen_bswap_i32(cpu_T[0], cpu_T[0]);
gen_op_mov_reg_T0(OT_LONG, reg);
}
#endif
break;
case 0xd6: /* salc */
if (CODE64(s))
goto illegal_op;
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_compute_eflags_c(cpu_T[0]);
tcg_gen_neg_tl(cpu_T[0], cpu_T[0]);
gen_op_mov_reg_T0(OT_BYTE, R_EAX);
break;
case 0xe0: /* loopnz */
case 0xe1: /* loopz */
case 0xe2: /* loop */
case 0xe3: /* jecxz */
{
int l1, l2, l3;
tval = (int8_t)insn_get(s, OT_BYTE);
next_eip = s->pc - s->cs_base;
tval += next_eip;
if (s->dflag == 0)
tval &= 0xffff;
l1 = gen_new_label();
l2 = gen_new_label();
l3 = gen_new_label();
b &= 3;
switch(b) {
case 0: /* loopnz */
case 1: /* loopz */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_op_add_reg_im(s->aflag, R_ECX, -1);
gen_op_jz_ecx(s->aflag, l3);
gen_compute_eflags(cpu_tmp0);
tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, CC_Z);
if (b == 0) {
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_tmp0, 0, l1);
} else {
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_tmp0, 0, l1);
}
break;
case 2: /* loop */
gen_op_add_reg_im(s->aflag, R_ECX, -1);
gen_op_jnz_ecx(s->aflag, l1);
break;
default:
case 3: /* jcxz */
gen_op_jz_ecx(s->aflag, l1);
break;
}
gen_set_label(l3);
gen_jmp_im(next_eip);
tcg_gen_br(l2);
gen_set_label(l1);
gen_jmp_im(tval);
gen_set_label(l2);
gen_eob(s);
}
break;
case 0x130: /* wrmsr */
case 0x132: /* rdmsr */
if (s->cpl != 0) {
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
} else {
int retval = 0;
if (b & 2) {
retval = gen_svm_check_intercept_param(s, pc_start, SVM_EXIT_MSR, 0);
tcg_gen_helper_0_0(helper_rdmsr);
} else {
retval = gen_svm_check_intercept_param(s, pc_start, SVM_EXIT_MSR, 1);
tcg_gen_helper_0_0(helper_wrmsr);
}
if(retval)
gen_eob(s);
}
break;
case 0x131: /* rdtsc */
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_RDTSC))
break;
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_0(helper_rdtsc);
break;
case 0x133: /* rdpmc */
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_0(helper_rdpmc);
break;
case 0x134: /* sysenter */
if (CODE64(s))
goto illegal_op;
if (!s->pe) {
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
} else {
if (s->cc_op != CC_OP_DYNAMIC) {
gen_op_set_cc_op(s->cc_op);
s->cc_op = CC_OP_DYNAMIC;
}
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_0(helper_sysenter);
gen_eob(s);
}
break;
case 0x135: /* sysexit */
if (CODE64(s))
goto illegal_op;
if (!s->pe) {
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
} else {
if (s->cc_op != CC_OP_DYNAMIC) {
gen_op_set_cc_op(s->cc_op);
s->cc_op = CC_OP_DYNAMIC;
}
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_0(helper_sysexit);
gen_eob(s);
}
break;
#ifdef TARGET_X86_64
case 0x105: /* syscall */
/* XXX: is it usable in real mode ? */
if (s->cc_op != CC_OP_DYNAMIC) {
gen_op_set_cc_op(s->cc_op);
s->cc_op = CC_OP_DYNAMIC;
}
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_1(helper_syscall, tcg_const_i32(s->pc - pc_start));
gen_eob(s);
break;
case 0x107: /* sysret */
if (!s->pe) {
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
} else {
if (s->cc_op != CC_OP_DYNAMIC) {
gen_op_set_cc_op(s->cc_op);
s->cc_op = CC_OP_DYNAMIC;
}
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_1(helper_sysret, tcg_const_i32(s->dflag));
/* condition codes are modified only in long mode */
if (s->lma)
s->cc_op = CC_OP_EFLAGS;
gen_eob(s);
}
break;
#endif
case 0x1a2: /* cpuid */
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_CPUID))
break;
tcg_gen_helper_0_0(helper_cpuid);
break;
case 0xf4: /* hlt */
if (s->cpl != 0) {
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
} else {
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_HLT))
break;
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_jmp_im(s->pc - s->cs_base);
tcg_gen_helper_0_0(helper_hlt);
s->is_jmp = 3;
}
break;
case 0x100:
modrm = ldub_code(s->pc++);
mod = (modrm >> 6) & 3;
op = (modrm >> 3) & 7;
switch(op) {
case 0: /* sldt */
if (!s->pe || s->vm86)
goto illegal_op;
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_LDTR_READ))
break;
tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,ldt.selector));
ot = OT_WORD;
if (mod == 3)
ot += s->dflag;
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1);
break;
case 2: /* lldt */
if (!s->pe || s->vm86)
goto illegal_op;
if (s->cpl != 0) {
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
} else {
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_LDTR_WRITE))
break;
gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
tcg_gen_helper_0_1(helper_lldt, cpu_tmp2_i32);
}
break;
case 1: /* str */
if (!s->pe || s->vm86)
goto illegal_op;
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_TR_READ))
break;
tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,tr.selector));
ot = OT_WORD;
if (mod == 3)
ot += s->dflag;
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1);
break;
case 3: /* ltr */
if (!s->pe || s->vm86)
goto illegal_op;
if (s->cpl != 0) {
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
} else {
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_TR_WRITE))
break;
gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
tcg_gen_helper_0_1(helper_ltr, cpu_tmp2_i32);
}
break;
case 4: /* verr */
case 5: /* verw */
if (!s->pe || s->vm86)
goto illegal_op;
gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
if (op == 4)
tcg_gen_helper_0_1(helper_verr, cpu_T[0]);
else
tcg_gen_helper_0_1(helper_verw, cpu_T[0]);
s->cc_op = CC_OP_EFLAGS;
break;
default:
goto illegal_op;
}
break;
case 0x101:
modrm = ldub_code(s->pc++);
mod = (modrm >> 6) & 3;
op = (modrm >> 3) & 7;
rm = modrm & 7;
switch(op) {
case 0: /* sgdt */
if (mod == 3)
goto illegal_op;
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_GDTR_READ))
break;
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, gdt.limit));
gen_op_st_T0_A0(OT_WORD + s->mem_index);
gen_add_A0_im(s, 2);
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, gdt.base));
if (!s->dflag)
gen_op_andl_T0_im(0xffffff);
gen_op_st_T0_A0(CODE64(s) + OT_LONG + s->mem_index);
break;
case 1:
if (mod == 3) {
switch (rm) {
case 0: /* monitor */
if (!(s->cpuid_ext_features & CPUID_EXT_MONITOR) ||
s->cpl != 0)
goto illegal_op;
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_MONITOR))
break;
gen_jmp_im(pc_start - s->cs_base);
#ifdef TARGET_X86_64
if (s->aflag == 2) {
gen_op_movq_A0_reg(R_EAX);
} else
#endif
{
gen_op_movl_A0_reg(R_EAX);
if (s->aflag == 0)
gen_op_andl_A0_ffff();
}
gen_add_A0_ds_seg(s);
tcg_gen_helper_0_1(helper_monitor, cpu_A0);
break;
case 1: /* mwait */
if (!(s->cpuid_ext_features & CPUID_EXT_MONITOR) ||
s->cpl != 0)
goto illegal_op;
if (s->cc_op != CC_OP_DYNAMIC) {
gen_op_set_cc_op(s->cc_op);
s->cc_op = CC_OP_DYNAMIC;
}
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_MWAIT))
break;
gen_jmp_im(s->pc - s->cs_base);
tcg_gen_helper_0_0(helper_mwait);
gen_eob(s);
break;
default:
goto illegal_op;
}
} else { /* sidt */
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_IDTR_READ))
break;
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, idt.limit));
gen_op_st_T0_A0(OT_WORD + s->mem_index);
gen_add_A0_im(s, 2);
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, idt.base));
if (!s->dflag)
gen_op_andl_T0_im(0xffffff);
gen_op_st_T0_A0(CODE64(s) + OT_LONG + s->mem_index);
}
break;
case 2: /* lgdt */
case 3: /* lidt */
if (mod == 3) {
switch(rm) {
case 0: /* VMRUN */
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_VMRUN))
break;
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_jmp_im(s->pc - s->cs_base);
tcg_gen_helper_0_0(helper_vmrun);
s->cc_op = CC_OP_EFLAGS;
gen_eob(s);
break;
case 1: /* VMMCALL */
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_VMMCALL))
break;
/* FIXME: cause #UD if hflags & SVM */
tcg_gen_helper_0_0(helper_vmmcall);
break;
case 2: /* VMLOAD */
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_VMLOAD))
break;
tcg_gen_helper_0_0(helper_vmload);
break;
case 3: /* VMSAVE */
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_VMSAVE))
break;
tcg_gen_helper_0_0(helper_vmsave);
break;
case 4: /* STGI */
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_STGI))
break;
tcg_gen_helper_0_0(helper_stgi);
break;
case 5: /* CLGI */
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_CLGI))
break;
tcg_gen_helper_0_0(helper_clgi);
break;
case 6: /* SKINIT */
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_SKINIT))
break;
tcg_gen_helper_0_0(helper_skinit);
break;
case 7: /* INVLPGA */
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_INVLPGA))
break;
tcg_gen_helper_0_0(helper_invlpga);
break;
default:
goto illegal_op;
}
} else if (s->cpl != 0) {
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
} else {
if (gen_svm_check_intercept(s, pc_start,
op==2 ? SVM_EXIT_GDTR_WRITE : SVM_EXIT_IDTR_WRITE))
break;
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_op_ld_T1_A0(OT_WORD + s->mem_index);
gen_add_A0_im(s, 2);
gen_op_ld_T0_A0(CODE64(s) + OT_LONG + s->mem_index);
if (!s->dflag)
gen_op_andl_T0_im(0xffffff);
if (op == 2) {
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,gdt.base));
tcg_gen_st32_tl(cpu_T[1], cpu_env, offsetof(CPUX86State,gdt.limit));
} else {
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,idt.base));
tcg_gen_st32_tl(cpu_T[1], cpu_env, offsetof(CPUX86State,idt.limit));
}
}
break;
case 4: /* smsw */
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_READ_CR0))
break;
tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,cr[0]));
gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 1);
break;
case 6: /* lmsw */
if (s->cpl != 0) {
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
} else {
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0))
break;
gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
tcg_gen_helper_0_1(helper_lmsw, cpu_T[0]);
gen_jmp_im(s->pc - s->cs_base);
gen_eob(s);
}
break;
case 7: /* invlpg */
if (s->cpl != 0) {
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
} else {
if (mod == 3) {
#ifdef TARGET_X86_64
if (CODE64(s) && rm == 0) {
/* swapgs */
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,segs[R_GS].base));
tcg_gen_ld_tl(cpu_T[1], cpu_env, offsetof(CPUX86State,kernelgsbase));
tcg_gen_st_tl(cpu_T[1], cpu_env, offsetof(CPUX86State,segs[R_GS].base));
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,kernelgsbase));
} else
#endif
{
goto illegal_op;
}
} else {
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_INVLPG))
break;
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
tcg_gen_helper_0_1(helper_invlpg, cpu_A0);
gen_jmp_im(s->pc - s->cs_base);
gen_eob(s);
}
}
break;
default:
goto illegal_op;
}
break;
case 0x108: /* invd */
case 0x109: /* wbinvd */
if (s->cpl != 0) {
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
} else {
if (gen_svm_check_intercept(s, pc_start, (b & 2) ? SVM_EXIT_INVD : SVM_EXIT_WBINVD))
break;
/* nothing to do */
}
break;
case 0x63: /* arpl or movslS (x86_64) */
#ifdef TARGET_X86_64
if (CODE64(s)) {
int d_ot;
/* d_ot is the size of destination */
d_ot = dflag + OT_WORD;
modrm = ldub_code(s->pc++);
reg = ((modrm >> 3) & 7) | rex_r;
mod = (modrm >> 6) & 3;
rm = (modrm & 7) | REX_B(s);
if (mod == 3) {
gen_op_mov_TN_reg(OT_LONG, 0, rm);
/* sign extend */
if (d_ot == OT_QUAD)
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
gen_op_mov_reg_T0(d_ot, reg);
} else {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
if (d_ot == OT_QUAD) {
gen_op_lds_T0_A0(OT_LONG + s->mem_index);
} else {
gen_op_ld_T0_A0(OT_LONG + s->mem_index);
}
gen_op_mov_reg_T0(d_ot, reg);
}
} else
#endif
{
int label1;
if (!s->pe || s->vm86)
goto illegal_op;
ot = OT_WORD;
modrm = ldub_code(s->pc++);
reg = (modrm >> 3) & 7;
mod = (modrm >> 6) & 3;
rm = modrm & 7;
if (mod != 3) {
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_op_ld_T0_A0(ot + s->mem_index);
} else {
gen_op_mov_TN_reg(ot, 0, rm);
}
gen_op_mov_TN_reg(ot, 1, reg);
tcg_gen_andi_tl(cpu_tmp0, cpu_T[0], 3);
tcg_gen_andi_tl(cpu_T[1], cpu_T[1], 3);
tcg_gen_movi_tl(cpu_T3, 0);
label1 = gen_new_label();
tcg_gen_brcond_tl(TCG_COND_GE, cpu_tmp0, cpu_T[1], label1);
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], ~3);
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
tcg_gen_movi_tl(cpu_T3, CC_Z);
gen_set_label(label1);
if (mod != 3) {
gen_op_st_T0_A0(ot + s->mem_index);
} else {
gen_op_mov_reg_T0(ot, rm);
}
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_compute_eflags(cpu_cc_src);
tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, ~CC_Z);
tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, cpu_T3);
s->cc_op = CC_OP_EFLAGS;
}
break;
case 0x102: /* lar */
case 0x103: /* lsl */
{
int label1;
if (!s->pe || s->vm86)
goto illegal_op;
ot = dflag ? OT_LONG : OT_WORD;
modrm = ldub_code(s->pc++);
reg = ((modrm >> 3) & 7) | rex_r;
gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
if (b == 0x102)
tcg_gen_helper_1_1(helper_lar, cpu_T[0], cpu_T[0]);
else
tcg_gen_helper_1_1(helper_lsl, cpu_T[0], cpu_T[0]);
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_src, CC_Z);
label1 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_tmp0, 0, label1);
gen_op_mov_reg_T0(ot, reg);
gen_set_label(label1);
s->cc_op = CC_OP_EFLAGS;
}
break;
case 0x118:
modrm = ldub_code(s->pc++);
mod = (modrm >> 6) & 3;
op = (modrm >> 3) & 7;
switch(op) {
case 0: /* prefetchnta */
case 1: /* prefetchnt0 */
case 2: /* prefetchnt0 */
case 3: /* prefetchnt0 */
if (mod == 3)
goto illegal_op;
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
/* nothing more to do */
break;
default: /* nop (multi byte) */
gen_nop_modrm(s, modrm);
break;
}
break;
case 0x119 ... 0x11f: /* nop (multi byte) */
modrm = ldub_code(s->pc++);
gen_nop_modrm(s, modrm);
break;
case 0x120: /* mov reg, crN */
case 0x122: /* mov crN, reg */
if (s->cpl != 0) {
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
} else {
modrm = ldub_code(s->pc++);
if ((modrm & 0xc0) != 0xc0)
goto illegal_op;
rm = (modrm & 7) | REX_B(s);
reg = ((modrm >> 3) & 7) | rex_r;
if (CODE64(s))
ot = OT_QUAD;
else
ot = OT_LONG;
switch(reg) {
case 0:
case 2:
case 3:
case 4:
case 8:
if (b & 2) {
gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0 + reg);
gen_op_mov_TN_reg(ot, 0, rm);
tcg_gen_helper_0_2(helper_movl_crN_T0,
tcg_const_i32(reg), cpu_T[0]);
gen_jmp_im(s->pc - s->cs_base);
gen_eob(s);
} else {
gen_svm_check_intercept(s, pc_start, SVM_EXIT_READ_CR0 + reg);
#if !defined(CONFIG_USER_ONLY)
if (reg == 8)
tcg_gen_helper_1_0(helper_movtl_T0_cr8, cpu_T[0]);
else
#endif
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,cr[reg]));
gen_op_mov_reg_T0(ot, rm);
}
break;
default:
goto illegal_op;
}
}
break;
case 0x121: /* mov reg, drN */
case 0x123: /* mov drN, reg */
if (s->cpl != 0) {
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
} else {
modrm = ldub_code(s->pc++);
if ((modrm & 0xc0) != 0xc0)
goto illegal_op;
rm = (modrm & 7) | REX_B(s);
reg = ((modrm >> 3) & 7) | rex_r;
if (CODE64(s))
ot = OT_QUAD;
else
ot = OT_LONG;
/* XXX: do it dynamically with CR4.DE bit */
if (reg == 4 || reg == 5 || reg >= 8)
goto illegal_op;
if (b & 2) {
gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_DR0 + reg);
gen_op_mov_TN_reg(ot, 0, rm);
tcg_gen_helper_0_2(helper_movl_drN_T0,
tcg_const_i32(reg), cpu_T[0]);
gen_jmp_im(s->pc - s->cs_base);
gen_eob(s);
} else {
gen_svm_check_intercept(s, pc_start, SVM_EXIT_READ_DR0 + reg);
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,dr[reg]));
gen_op_mov_reg_T0(ot, rm);
}
}
break;
case 0x106: /* clts */
if (s->cpl != 0) {
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
} else {
gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0);
tcg_gen_helper_0_0(helper_clts);
/* abort block because static cpu state changed */
gen_jmp_im(s->pc - s->cs_base);
gen_eob(s);
}
break;
/* MMX/3DNow!/SSE/SSE2/SSE3 support */
case 0x1c3: /* MOVNTI reg, mem */
if (!(s->cpuid_features & CPUID_SSE2))
goto illegal_op;
ot = s->dflag == 2 ? OT_QUAD : OT_LONG;
modrm = ldub_code(s->pc++);
mod = (modrm >> 6) & 3;
if (mod == 3)
goto illegal_op;
reg = ((modrm >> 3) & 7) | rex_r;
/* generate a generic store */
gen_ldst_modrm(s, modrm, ot, reg, 1);
break;
case 0x1ae:
modrm = ldub_code(s->pc++);
mod = (modrm >> 6) & 3;
op = (modrm >> 3) & 7;
switch(op) {
case 0: /* fxsave */
if (mod == 3 || !(s->cpuid_features & CPUID_FXSR) ||
(s->flags & HF_EM_MASK))
goto illegal_op;
if (s->flags & HF_TS_MASK) {
gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
break;
}
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_2(helper_fxsave,
cpu_A0, tcg_const_i32((s->dflag == 2)));
break;
case 1: /* fxrstor */
if (mod == 3 || !(s->cpuid_features & CPUID_FXSR) ||
(s->flags & HF_EM_MASK))
goto illegal_op;
if (s->flags & HF_TS_MASK) {
gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
break;
}
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_jmp_im(pc_start - s->cs_base);
tcg_gen_helper_0_2(helper_fxrstor,
cpu_A0, tcg_const_i32((s->dflag == 2)));
break;
case 2: /* ldmxcsr */
case 3: /* stmxcsr */
if (s->flags & HF_TS_MASK) {
gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
break;
}
if ((s->flags & HF_EM_MASK) || !(s->flags & HF_OSFXSR_MASK) ||
mod == 3)
goto illegal_op;
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
if (op == 2) {
gen_op_ld_T0_A0(OT_LONG + s->mem_index);
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, mxcsr));
} else {
tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, mxcsr));
gen_op_st_T0_A0(OT_LONG + s->mem_index);
}
break;
case 5: /* lfence */
case 6: /* mfence */
if ((modrm & 0xc7) != 0xc0 || !(s->cpuid_features & CPUID_SSE))
goto illegal_op;
break;
case 7: /* sfence / clflush */
if ((modrm & 0xc7) == 0xc0) {
/* sfence */
/* XXX: also check for cpuid_ext2_features & CPUID_EXT2_EMMX */
if (!(s->cpuid_features & CPUID_SSE))
goto illegal_op;
} else {
/* clflush */
if (!(s->cpuid_features & CPUID_CLFLUSH))
goto illegal_op;
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
}
break;
default:
goto illegal_op;
}
break;
case 0x10d: /* 3DNow! prefetch(w) */
modrm = ldub_code(s->pc++);
mod = (modrm >> 6) & 3;
if (mod == 3)
goto illegal_op;
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
/* ignore for now */
break;
case 0x1aa: /* rsm */
if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_RSM))
break;
if (!(s->flags & HF_SMM_MASK))
goto illegal_op;
if (s->cc_op != CC_OP_DYNAMIC) {
gen_op_set_cc_op(s->cc_op);
s->cc_op = CC_OP_DYNAMIC;
}
gen_jmp_im(s->pc - s->cs_base);
tcg_gen_helper_0_0(helper_rsm);
gen_eob(s);
break;
case 0x10e ... 0x10f:
/* 3DNow! instructions, ignore prefixes */
s->prefix &= ~(PREFIX_REPZ | PREFIX_REPNZ | PREFIX_DATA);
case 0x110 ... 0x117:
case 0x128 ... 0x12f:
case 0x150 ... 0x177:
case 0x17c ... 0x17f:
case 0x1c2:
case 0x1c4 ... 0x1c6:
case 0x1d0 ... 0x1fe:
gen_sse(s, b, pc_start, rex_r);
break;
default:
goto illegal_op;
}
/* lock generation */
if (s->prefix & PREFIX_LOCK)
tcg_gen_helper_0_0(helper_unlock);
return s->pc;
illegal_op:
if (s->prefix & PREFIX_LOCK)
tcg_gen_helper_0_0(helper_unlock);
/* XXX: ensure that no lock was generated */
gen_exception(s, EXCP06_ILLOP, pc_start - s->cs_base);
return s->pc;
}
static void tcg_macro_func(TCGContext *s, int macro_id, const int *dead_args)
{
switch(macro_id) {
#ifdef MACRO_TEST
case MACRO_TEST:
tcg_gen_helper_0_1(helper_divl_EAX_T0, cpu_T[0]);
break;
#endif
}
}
void optimize_flags_init(void)
{
#if TCG_TARGET_REG_BITS == 32
assert(sizeof(CCTable) == (1 << 3));
#else
assert(sizeof(CCTable) == (1 << 4));
#endif
tcg_set_macro_func(&tcg_ctx, tcg_macro_func);
cpu_env = tcg_global_reg_new(TCG_TYPE_PTR, TCG_AREG0, "env");
#if TARGET_LONG_BITS > HOST_LONG_BITS
cpu_T[0] = tcg_global_mem_new(TCG_TYPE_TL,
TCG_AREG0, offsetof(CPUState, t0), "T0");
cpu_T[1] = tcg_global_mem_new(TCG_TYPE_TL,
TCG_AREG0, offsetof(CPUState, t1), "T1");
cpu_A0 = tcg_global_mem_new(TCG_TYPE_TL,
TCG_AREG0, offsetof(CPUState, t2), "A0");
#else
cpu_T[0] = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG1, "T0");
cpu_T[1] = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG2, "T1");
cpu_A0 = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG3, "A0");
#endif
cpu_T3 = tcg_global_mem_new(TCG_TYPE_TL,
TCG_AREG0, offsetof(CPUState, t3), "T3");
#if defined(__i386__) && (TARGET_LONG_BITS <= HOST_LONG_BITS)
/* XXX: must be suppressed once there are less fixed registers */
cpu_tmp1_i64 = tcg_global_reg2_new_hack(TCG_TYPE_I64, TCG_AREG1, TCG_AREG2, "tmp1");
#endif
cpu_cc_op = tcg_global_mem_new(TCG_TYPE_I32,
TCG_AREG0, offsetof(CPUState, cc_op), "cc_op");
cpu_cc_src = tcg_global_mem_new(TCG_TYPE_TL,
TCG_AREG0, offsetof(CPUState, cc_src), "cc_src");
cpu_cc_dst = tcg_global_mem_new(TCG_TYPE_TL,
TCG_AREG0, offsetof(CPUState, cc_dst), "cc_dst");
/* register helpers */
#define DEF_HELPER(ret, name, params) tcg_register_helper(name, #name);
#include "helper.h"
}
/* generate intermediate code in gen_opc_buf and gen_opparam_buf for
basic block 'tb'. If search_pc is TRUE, also generate PC
information for each intermediate instruction. */
static inline int gen_intermediate_code_internal(CPUState *env,
TranslationBlock *tb,
int search_pc)
{
DisasContext dc1, *dc = &dc1;
target_ulong pc_ptr;
uint16_t *gen_opc_end;
int j, lj, cflags;
uint64_t flags;
target_ulong pc_start;
target_ulong cs_base;
/* generate intermediate code */
pc_start = tb->pc;
cs_base = tb->cs_base;
flags = tb->flags;
cflags = tb->cflags;
dc->pe = (flags >> HF_PE_SHIFT) & 1;
dc->code32 = (flags >> HF_CS32_SHIFT) & 1;
dc->ss32 = (flags >> HF_SS32_SHIFT) & 1;
dc->addseg = (flags >> HF_ADDSEG_SHIFT) & 1;
dc->f_st = 0;
dc->vm86 = (flags >> VM_SHIFT) & 1;
dc->cpl = (flags >> HF_CPL_SHIFT) & 3;
dc->iopl = (flags >> IOPL_SHIFT) & 3;
dc->tf = (flags >> TF_SHIFT) & 1;
dc->singlestep_enabled = env->singlestep_enabled;
dc->cc_op = CC_OP_DYNAMIC;
dc->cs_base = cs_base;
dc->tb = tb;
dc->popl_esp_hack = 0;
/* select memory access functions */
dc->mem_index = 0;
if (flags & HF_SOFTMMU_MASK) {
if (dc->cpl == 3)
dc->mem_index = 2 * 4;
else
dc->mem_index = 1 * 4;
}
dc->cpuid_features = env->cpuid_features;
dc->cpuid_ext_features = env->cpuid_ext_features;
dc->cpuid_ext2_features = env->cpuid_ext2_features;
dc->cpuid_ext3_features = env->cpuid_ext3_features;
#ifdef TARGET_X86_64
dc->lma = (flags >> HF_LMA_SHIFT) & 1;
dc->code64 = (flags >> HF_CS64_SHIFT) & 1;
#endif
dc->flags = flags;
dc->jmp_opt = !(dc->tf || env->singlestep_enabled ||
(flags & HF_INHIBIT_IRQ_MASK)
#ifndef CONFIG_SOFTMMU
|| (flags & HF_SOFTMMU_MASK)
#endif
);
#if 0
/* check addseg logic */
if (!dc->addseg && (dc->vm86 || !dc->pe || !dc->code32))
printf("ERROR addseg\n");
#endif
cpu_tmp0 = tcg_temp_new(TCG_TYPE_TL);
#if !(defined(__i386__) && (TARGET_LONG_BITS <= HOST_LONG_BITS))
cpu_tmp1_i64 = tcg_temp_new(TCG_TYPE_I64);
#endif
cpu_tmp2_i32 = tcg_temp_new(TCG_TYPE_I32);
cpu_tmp3_i32 = tcg_temp_new(TCG_TYPE_I32);
cpu_tmp4 = tcg_temp_new(TCG_TYPE_TL);
cpu_tmp5 = tcg_temp_new(TCG_TYPE_TL);
cpu_tmp6 = tcg_temp_new(TCG_TYPE_TL);
cpu_ptr0 = tcg_temp_new(TCG_TYPE_PTR);
cpu_ptr1 = tcg_temp_new(TCG_TYPE_PTR);
gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
dc->is_jmp = DISAS_NEXT;
pc_ptr = pc_start;
lj = -1;
for(;;) {
if (env->nb_breakpoints > 0) {
for(j = 0; j < env->nb_breakpoints; j++) {
if (env->breakpoints[j] == pc_ptr) {
gen_debug(dc, pc_ptr - dc->cs_base);
break;
}
}
}
if (search_pc) {
j = gen_opc_ptr - gen_opc_buf;
if (lj < j) {
lj++;
while (lj < j)
gen_opc_instr_start[lj++] = 0;
}
gen_opc_pc[lj] = pc_ptr;
gen_opc_cc_op[lj] = dc->cc_op;
gen_opc_instr_start[lj] = 1;
}
pc_ptr = disas_insn(dc, pc_ptr);
/* stop translation if indicated */
if (dc->is_jmp)
break;
/* if single step mode, we generate only one instruction and
generate an exception */
/* if irq were inhibited with HF_INHIBIT_IRQ_MASK, we clear
the flag and abort the translation to give the irqs a
change to be happen */
if (dc->tf || dc->singlestep_enabled ||
(flags & HF_INHIBIT_IRQ_MASK) ||
(cflags & CF_SINGLE_INSN)) {
gen_jmp_im(pc_ptr - dc->cs_base);
gen_eob(dc);
break;
}
/* if too long translation, stop generation too */
if (gen_opc_ptr >= gen_opc_end ||
(pc_ptr - pc_start) >= (TARGET_PAGE_SIZE - 32)) {
gen_jmp_im(pc_ptr - dc->cs_base);
gen_eob(dc);
break;
}
}
*gen_opc_ptr = INDEX_op_end;
/* we don't forget to fill the last values */
if (search_pc) {
j = gen_opc_ptr - gen_opc_buf;
lj++;
while (lj <= j)
gen_opc_instr_start[lj++] = 0;
}
#ifdef DEBUG_DISAS
if (loglevel & CPU_LOG_TB_CPU) {
cpu_dump_state(env, logfile, fprintf, X86_DUMP_CCOP);
}
if (loglevel & CPU_LOG_TB_IN_ASM) {
int disas_flags;
fprintf(logfile, "----------------\n");
fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
#ifdef TARGET_X86_64
if (dc->code64)
disas_flags = 2;
else
#endif
disas_flags = !dc->code32;
target_disas(logfile, pc_start, pc_ptr - pc_start, disas_flags);
fprintf(logfile, "\n");
}
#endif
if (!search_pc)
tb->size = pc_ptr - pc_start;
return 0;
}
int gen_intermediate_code(CPUState *env, TranslationBlock *tb)
{
return gen_intermediate_code_internal(env, tb, 0);
}
int gen_intermediate_code_pc(CPUState *env, TranslationBlock *tb)
{
return gen_intermediate_code_internal(env, tb, 1);
}
void gen_pc_load(CPUState *env, TranslationBlock *tb,
unsigned long searched_pc, int pc_pos, void *puc)
{
int cc_op;
#ifdef DEBUG_DISAS
if (loglevel & CPU_LOG_TB_OP) {
int i;
fprintf(logfile, "RESTORE:\n");
for(i = 0;i <= pc_pos; i++) {
if (gen_opc_instr_start[i]) {
fprintf(logfile, "0x%04x: " TARGET_FMT_lx "\n", i, gen_opc_pc[i]);
}
}
fprintf(logfile, "spc=0x%08lx pc_pos=0x%x eip=" TARGET_FMT_lx " cs_base=%x\n",
searched_pc, pc_pos, gen_opc_pc[pc_pos] - tb->cs_base,
(uint32_t)tb->cs_base);
}
#endif
env->eip = gen_opc_pc[pc_pos] - tb->cs_base;
cc_op = gen_opc_cc_op[pc_pos];
if (cc_op != CC_OP_DYNAMIC)
env->cc_op = cc_op;
}