| /* |
| * 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; |
| /* local register indexes (only used inside old micro ops) */ |
| static TCGv cpu_tmp0; |
| |
| #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; |
| } 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, |
| }; |
| |
| /* 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 |
| |
| #define DEF_REGS(prefix, suffix) \ |
| prefix ## EAX ## suffix,\ |
| prefix ## ECX ## suffix,\ |
| prefix ## EDX ## suffix,\ |
| prefix ## EBX ## suffix,\ |
| prefix ## ESP ## suffix,\ |
| prefix ## EBP ## suffix,\ |
| prefix ## ESI ## suffix,\ |
| prefix ## EDI ## suffix,\ |
| prefix ## R8 ## suffix,\ |
| prefix ## R9 ## suffix,\ |
| prefix ## R10 ## suffix,\ |
| prefix ## R11 ## suffix,\ |
| prefix ## R12 ## suffix,\ |
| prefix ## R13 ## suffix,\ |
| prefix ## R14 ## suffix,\ |
| prefix ## R15 ## suffix, |
| |
| #else /* !TARGET_X86_64 */ |
| |
| #define NB_OP_SIZES 3 |
| |
| #define DEF_REGS(prefix, suffix) \ |
| prefix ## EAX ## suffix,\ |
| prefix ## ECX ## suffix,\ |
| prefix ## EDX ## suffix,\ |
| prefix ## EBX ## suffix,\ |
| prefix ## ESP ## suffix,\ |
| prefix ## EBP ## suffix,\ |
| prefix ## ESI ## suffix,\ |
| prefix ## EDI ## suffix, |
| |
| #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_addw_ESP_im(int32_t val) |
| { |
| tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[R_ESP])); |
| tcg_gen_addi_tl(cpu_tmp0, cpu_tmp0, val); |
| tcg_gen_st16_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[R_ESP]) + REG_W_OFFSET); |
| } |
| |
| static inline void gen_op_addl_ESP_im(int32_t val) |
| { |
| tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[R_ESP])); |
| 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[R_ESP])); |
| } |
| |
| #ifdef TARGET_X86_64 |
| static inline void gen_op_addq_ESP_im(int32_t val) |
| { |
| tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[R_ESP])); |
| tcg_gen_addi_tl(cpu_tmp0, cpu_tmp0, val); |
| tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[R_ESP])); |
| } |
| #endif |
| |
| static inline void gen_op_set_cc_op(int32_t val) |
| { |
| tcg_gen_movi_tl(cpu_tmp0, val); |
| tcg_gen_st32_tl(cpu_tmp0, cpu_env, offsetof(CPUState, cc_op)); |
| } |
| |
| 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 GenOpFunc *gen_op_cmov_reg_T1_T0[NB_OP_SIZES - 1][CPU_NB_REGS] = { |
| [0] = { |
| DEF_REGS(gen_op_cmovw_, _T1_T0) |
| }, |
| [1] = { |
| DEF_REGS(gen_op_cmovl_, _T1_T0) |
| }, |
| #ifdef TARGET_X86_64 |
| [2] = { |
| DEF_REGS(gen_op_cmovq_, _T1_T0) |
| }, |
| #endif |
| }; |
| |
| #define DEF_ARITHC(SUFFIX)\ |
| {\ |
| gen_op_adcb ## SUFFIX ## _T0_T1_cc,\ |
| gen_op_sbbb ## SUFFIX ## _T0_T1_cc,\ |
| },\ |
| {\ |
| gen_op_adcw ## SUFFIX ## _T0_T1_cc,\ |
| gen_op_sbbw ## SUFFIX ## _T0_T1_cc,\ |
| },\ |
| {\ |
| gen_op_adcl ## SUFFIX ## _T0_T1_cc,\ |
| gen_op_sbbl ## SUFFIX ## _T0_T1_cc,\ |
| },\ |
| {\ |
| X86_64_ONLY(gen_op_adcq ## SUFFIX ## _T0_T1_cc),\ |
| X86_64_ONLY(gen_op_sbbq ## SUFFIX ## _T0_T1_cc),\ |
| }, |
| |
| static GenOpFunc *gen_op_arithc_T0_T1_cc[4][2] = { |
| DEF_ARITHC( ) |
| }; |
| |
| static GenOpFunc *gen_op_arithc_mem_T0_T1_cc[3 * 4][2] = { |
| DEF_ARITHC(_raw) |
| #ifndef CONFIG_USER_ONLY |
| DEF_ARITHC(_kernel) |
| DEF_ARITHC(_user) |
| #endif |
| }; |
| |
| static const int cc_op_arithb[8] = { |
| CC_OP_ADDB, |
| CC_OP_LOGICB, |
| CC_OP_ADDB, |
| CC_OP_SUBB, |
| CC_OP_LOGICB, |
| CC_OP_SUBB, |
| CC_OP_LOGICB, |
| CC_OP_SUBB, |
| }; |
| |
| #define DEF_CMPXCHG(SUFFIX)\ |
| gen_op_cmpxchgb ## SUFFIX ## _T0_T1_EAX_cc,\ |
| gen_op_cmpxchgw ## SUFFIX ## _T0_T1_EAX_cc,\ |
| gen_op_cmpxchgl ## SUFFIX ## _T0_T1_EAX_cc,\ |
| X86_64_ONLY(gen_op_cmpxchgq ## SUFFIX ## _T0_T1_EAX_cc), |
| |
| static GenOpFunc *gen_op_cmpxchg_T0_T1_EAX_cc[4] = { |
| DEF_CMPXCHG( ) |
| }; |
| |
| static GenOpFunc *gen_op_cmpxchg_mem_T0_T1_EAX_cc[3 * 4] = { |
| DEF_CMPXCHG(_raw) |
| #ifndef CONFIG_USER_ONLY |
| DEF_CMPXCHG(_kernel) |
| DEF_CMPXCHG(_user) |
| #endif |
| }; |
| |
| #define DEF_SHIFT(SUFFIX)\ |
| {\ |
| gen_op_rolb ## SUFFIX ## _T0_T1_cc,\ |
| gen_op_rorb ## SUFFIX ## _T0_T1_cc,\ |
| gen_op_rclb ## SUFFIX ## _T0_T1_cc,\ |
| gen_op_rcrb ## SUFFIX ## _T0_T1_cc,\ |
| gen_op_shlb ## SUFFIX ## _T0_T1_cc,\ |
| gen_op_shrb ## SUFFIX ## _T0_T1_cc,\ |
| gen_op_shlb ## SUFFIX ## _T0_T1_cc,\ |
| gen_op_sarb ## SUFFIX ## _T0_T1_cc,\ |
| },\ |
| {\ |
| gen_op_rolw ## SUFFIX ## _T0_T1_cc,\ |
| gen_op_rorw ## SUFFIX ## _T0_T1_cc,\ |
| gen_op_rclw ## SUFFIX ## _T0_T1_cc,\ |
| gen_op_rcrw ## SUFFIX ## _T0_T1_cc,\ |
| gen_op_shlw ## SUFFIX ## _T0_T1_cc,\ |
| gen_op_shrw ## SUFFIX ## _T0_T1_cc,\ |
| gen_op_shlw ## SUFFIX ## _T0_T1_cc,\ |
| gen_op_sarw ## SUFFIX ## _T0_T1_cc,\ |
| },\ |
| {\ |
| gen_op_roll ## SUFFIX ## _T0_T1_cc,\ |
| gen_op_rorl ## SUFFIX ## _T0_T1_cc,\ |
| gen_op_rcll ## SUFFIX ## _T0_T1_cc,\ |
| gen_op_rcrl ## SUFFIX ## _T0_T1_cc,\ |
| gen_op_shll ## SUFFIX ## _T0_T1_cc,\ |
| gen_op_shrl ## SUFFIX ## _T0_T1_cc,\ |
| gen_op_shll ## SUFFIX ## _T0_T1_cc,\ |
| gen_op_sarl ## SUFFIX ## _T0_T1_cc,\ |
| },\ |
| {\ |
| X86_64_ONLY(gen_op_rolq ## SUFFIX ## _T0_T1_cc),\ |
| X86_64_ONLY(gen_op_rorq ## SUFFIX ## _T0_T1_cc),\ |
| X86_64_ONLY(gen_op_rclq ## SUFFIX ## _T0_T1_cc),\ |
| X86_64_ONLY(gen_op_rcrq ## SUFFIX ## _T0_T1_cc),\ |
| X86_64_ONLY(gen_op_shlq ## SUFFIX ## _T0_T1_cc),\ |
| X86_64_ONLY(gen_op_shrq ## SUFFIX ## _T0_T1_cc),\ |
| X86_64_ONLY(gen_op_shlq ## SUFFIX ## _T0_T1_cc),\ |
| X86_64_ONLY(gen_op_sarq ## SUFFIX ## _T0_T1_cc),\ |
| }, |
| |
| static GenOpFunc *gen_op_shift_T0_T1_cc[4][8] = { |
| DEF_SHIFT( ) |
| }; |
| |
| static GenOpFunc *gen_op_shift_mem_T0_T1_cc[3 * 4][8] = { |
| DEF_SHIFT(_raw) |
| #ifndef CONFIG_USER_ONLY |
| DEF_SHIFT(_kernel) |
| DEF_SHIFT(_user) |
| #endif |
| }; |
| |
| #define DEF_SHIFTD(SUFFIX, op)\ |
| {\ |
| NULL,\ |
| NULL,\ |
| },\ |
| {\ |
| gen_op_shldw ## SUFFIX ## _T0_T1_ ## op ## _cc,\ |
| gen_op_shrdw ## SUFFIX ## _T0_T1_ ## op ## _cc,\ |
| },\ |
| {\ |
| gen_op_shldl ## SUFFIX ## _T0_T1_ ## op ## _cc,\ |
| gen_op_shrdl ## SUFFIX ## _T0_T1_ ## op ## _cc,\ |
| },\ |
| {\ |
| X86_64_DEF(gen_op_shldq ## SUFFIX ## _T0_T1_ ## op ## _cc,\ |
| gen_op_shrdq ## SUFFIX ## _T0_T1_ ## op ## _cc,)\ |
| }, |
| |
| static GenOpFunc1 *gen_op_shiftd_T0_T1_im_cc[4][2] = { |
| DEF_SHIFTD(, im) |
| }; |
| |
| static GenOpFunc *gen_op_shiftd_T0_T1_ECX_cc[4][2] = { |
| DEF_SHIFTD(, ECX) |
| }; |
| |
| static GenOpFunc1 *gen_op_shiftd_mem_T0_T1_im_cc[3 * 4][2] = { |
| DEF_SHIFTD(_raw, im) |
| #ifndef CONFIG_USER_ONLY |
| DEF_SHIFTD(_kernel, im) |
| DEF_SHIFTD(_user, im) |
| #endif |
| }; |
| |
| static GenOpFunc *gen_op_shiftd_mem_T0_T1_ECX_cc[3 * 4][2] = { |
| DEF_SHIFTD(_raw, ECX) |
| #ifndef CONFIG_USER_ONLY |
| DEF_SHIFTD(_kernel, ECX) |
| DEF_SHIFTD(_user, ECX) |
| #endif |
| }; |
| |
| static GenOpFunc *gen_op_btx_T0_T1_cc[3][4] = { |
| [0] = { |
| gen_op_btw_T0_T1_cc, |
| gen_op_btsw_T0_T1_cc, |
| gen_op_btrw_T0_T1_cc, |
| gen_op_btcw_T0_T1_cc, |
| }, |
| [1] = { |
| gen_op_btl_T0_T1_cc, |
| gen_op_btsl_T0_T1_cc, |
| gen_op_btrl_T0_T1_cc, |
| gen_op_btcl_T0_T1_cc, |
| }, |
| #ifdef TARGET_X86_64 |
| [2] = { |
| gen_op_btq_T0_T1_cc, |
| gen_op_btsq_T0_T1_cc, |
| gen_op_btrq_T0_T1_cc, |
| gen_op_btcq_T0_T1_cc, |
| }, |
| #endif |
| }; |
| |
| static GenOpFunc *gen_op_add_bit_A0_T1[3] = { |
| gen_op_add_bitw_A0_T1, |
| gen_op_add_bitl_A0_T1, |
| X86_64_ONLY(gen_op_add_bitq_A0_T1), |
| }; |
| |
| static GenOpFunc *gen_op_bsx_T0_cc[3][2] = { |
| [0] = { |
| gen_op_bsfw_T0_cc, |
| gen_op_bsrw_T0_cc, |
| }, |
| [1] = { |
| gen_op_bsfl_T0_cc, |
| gen_op_bsrl_T0_cc, |
| }, |
| #ifdef TARGET_X86_64 |
| [2] = { |
| gen_op_bsfq_T0_cc, |
| gen_op_bsrq_T0_cc, |
| }, |
| #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 GenOpFunc *gen_op_movl_T0_Dshift[4] = { |
| gen_op_movl_T0_Dshiftb, |
| gen_op_movl_T0_Dshiftw, |
| gen_op_movl_T0_Dshiftl, |
| X86_64_ONLY(gen_op_movl_T0_Dshiftq), |
| }; |
| |
| static GenOpFunc1 *gen_op_jnz_ecx[3] = { |
| gen_op_jnz_ecxw, |
| gen_op_jnz_ecxl, |
| X86_64_ONLY(gen_op_jnz_ecxq), |
| }; |
| |
| static GenOpFunc1 *gen_op_jz_ecx[3] = { |
| gen_op_jz_ecxw, |
| gen_op_jz_ecxl, |
| X86_64_ONLY(gen_op_jz_ecxq), |
| }; |
| |
| static GenOpFunc *gen_op_dec_ECX[3] = { |
| gen_op_decw_ECX, |
| gen_op_decl_ECX, |
| X86_64_ONLY(gen_op_decq_ECX), |
| }; |
| |
| static GenOpFunc1 *gen_op_string_jnz_sub[2][4] = { |
| { |
| gen_op_jnz_subb, |
| gen_op_jnz_subw, |
| gen_op_jnz_subl, |
| X86_64_ONLY(gen_op_jnz_subq), |
| }, |
| { |
| gen_op_jz_subb, |
| gen_op_jz_subw, |
| gen_op_jz_subl, |
| X86_64_ONLY(gen_op_jz_subq), |
| }, |
| }; |
| |
| static GenOpFunc *gen_op_in_DX_T0[3] = { |
| gen_op_inb_DX_T0, |
| gen_op_inw_DX_T0, |
| gen_op_inl_DX_T0, |
| }; |
| |
| static GenOpFunc *gen_op_out_DX_T0[3] = { |
| gen_op_outb_DX_T0, |
| gen_op_outw_DX_T0, |
| gen_op_outl_DX_T0, |
| }; |
| |
| static GenOpFunc *gen_op_in[3] = { |
| gen_op_inb_T0_T1, |
| gen_op_inw_T0_T1, |
| gen_op_inl_T0_T1, |
| }; |
| |
| static GenOpFunc *gen_op_out[3] = { |
| gen_op_outb_T0_T1, |
| gen_op_outw_T0_T1, |
| gen_op_outl_T0_T1, |
| }; |
| |
| static GenOpFunc *gen_check_io_T0[3] = { |
| gen_op_check_iob_T0, |
| gen_op_check_iow_T0, |
| gen_op_check_iol_T0, |
| }; |
| |
| static GenOpFunc *gen_check_io_DX[3] = { |
| gen_op_check_iob_DX, |
| gen_op_check_iow_DX, |
| gen_op_check_iol_DX, |
| }; |
| |
| static void gen_check_io(DisasContext *s, int ot, int use_dx, target_ulong cur_eip) |
| { |
| 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); |
| if (use_dx) |
| gen_check_io_DX[ot](); |
| else |
| gen_check_io_T0[ot](); |
| } |
| } |
| |
| 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](); |
| #ifdef TARGET_X86_64 |
| if (s->aflag == 2) { |
| gen_op_addq_ESI_T0(); |
| gen_op_addq_EDI_T0(); |
| } else |
| #endif |
| if (s->aflag) { |
| gen_op_addl_ESI_T0(); |
| gen_op_addl_EDI_T0(); |
| } else { |
| gen_op_addw_ESI_T0(); |
| gen_op_addw_EDI_T0(); |
| } |
| } |
| |
| 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; |
| } |
| } |
| |
| /* 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](); |
| #ifdef TARGET_X86_64 |
| if (s->aflag == 2) { |
| gen_op_addq_EDI_T0(); |
| } else |
| #endif |
| if (s->aflag) { |
| gen_op_addl_EDI_T0(); |
| } else { |
| gen_op_addw_EDI_T0(); |
| } |
| } |
| |
| 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](); |
| #ifdef TARGET_X86_64 |
| if (s->aflag == 2) { |
| gen_op_addq_ESI_T0(); |
| } else |
| #endif |
| if (s->aflag) { |
| gen_op_addl_ESI_T0(); |
| } else { |
| gen_op_addw_ESI_T0(); |
| } |
| } |
| |
| 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](); |
| #ifdef TARGET_X86_64 |
| if (s->aflag == 2) { |
| gen_op_addq_EDI_T0(); |
| } else |
| #endif |
| if (s->aflag) { |
| gen_op_addl_EDI_T0(); |
| } else { |
| gen_op_addw_EDI_T0(); |
| } |
| } |
| |
| 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](); |
| #ifdef TARGET_X86_64 |
| if (s->aflag == 2) { |
| gen_op_addq_ESI_T0(); |
| gen_op_addq_EDI_T0(); |
| } else |
| #endif |
| if (s->aflag) { |
| gen_op_addl_ESI_T0(); |
| gen_op_addl_EDI_T0(); |
| } else { |
| gen_op_addw_ESI_T0(); |
| gen_op_addw_EDI_T0(); |
| } |
| } |
| |
| static inline void gen_ins(DisasContext *s, int ot) |
| { |
| gen_string_movl_A0_EDI(s); |
| gen_op_movl_T0_0(); |
| gen_op_st_T0_A0(ot + s->mem_index); |
| gen_op_in_DX_T0[ot](); |
| gen_op_st_T0_A0(ot + s->mem_index); |
| gen_op_movl_T0_Dshift[ot](); |
| #ifdef TARGET_X86_64 |
| if (s->aflag == 2) { |
| gen_op_addq_EDI_T0(); |
| } else |
| #endif |
| if (s->aflag) { |
| gen_op_addl_EDI_T0(); |
| } else { |
| gen_op_addw_EDI_T0(); |
| } |
| } |
| |
| 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_out_DX_T0[ot](); |
| gen_op_movl_T0_Dshift[ot](); |
| #ifdef TARGET_X86_64 |
| if (s->aflag == 2) { |
| gen_op_addq_ESI_T0(); |
| } else |
| #endif |
| if (s->aflag) { |
| gen_op_addl_ESI_T0(); |
| } else { |
| gen_op_addw_ESI_T0(); |
| } |
| } |
| |
| /* 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_dec_ECX[s->aflag](); \ |
| /* 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_dec_ECX[s->aflag](); \ |
| gen_op_set_cc_op(CC_OP_SUBB + ot); \ |
| gen_op_string_jnz_sub[nz][ot](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) |
| |
| enum { |
| JCC_O, |
| JCC_B, |
| JCC_Z, |
| JCC_BE, |
| JCC_S, |
| JCC_P, |
| JCC_L, |
| JCC_LE, |
| }; |
| |
| static GenOpFunc1 *gen_jcc_sub[4][8] = { |
| [OT_BYTE] = { |
| NULL, |
| gen_op_jb_subb, |
| gen_op_jz_subb, |
| gen_op_jbe_subb, |
| gen_op_js_subb, |
| NULL, |
| gen_op_jl_subb, |
| gen_op_jle_subb, |
| }, |
| [OT_WORD] = { |
| NULL, |
| gen_op_jb_subw, |
| gen_op_jz_subw, |
| gen_op_jbe_subw, |
| gen_op_js_subw, |
| NULL, |
| gen_op_jl_subw, |
| gen_op_jle_subw, |
| }, |
| [OT_LONG] = { |
| NULL, |
| gen_op_jb_subl, |
| gen_op_jz_subl, |
| gen_op_jbe_subl, |
| gen_op_js_subl, |
| NULL, |
| gen_op_jl_subl, |
| gen_op_jle_subl, |
| }, |
| #ifdef TARGET_X86_64 |
| [OT_QUAD] = { |
| NULL, |
| BUGGY_64(gen_op_jb_subq), |
| gen_op_jz_subq, |
| BUGGY_64(gen_op_jbe_subq), |
| gen_op_js_subq, |
| NULL, |
| BUGGY_64(gen_op_jl_subq), |
| BUGGY_64(gen_op_jle_subq), |
| }, |
| #endif |
| }; |
| static GenOpFunc1 *gen_op_loop[3][4] = { |
| [0] = { |
| gen_op_loopnzw, |
| gen_op_loopzw, |
| gen_op_jnz_ecxw, |
| }, |
| [1] = { |
| gen_op_loopnzl, |
| gen_op_loopzl, |
| gen_op_jnz_ecxl, |
| }, |
| #ifdef TARGET_X86_64 |
| [2] = { |
| gen_op_loopnzq, |
| gen_op_loopzq, |
| gen_op_jnz_ecxq, |
| }, |
| #endif |
| }; |
| |
| static GenOpFunc *gen_setcc_slow[8] = { |
| gen_op_seto_T0_cc, |
| gen_op_setb_T0_cc, |
| gen_op_setz_T0_cc, |
| gen_op_setbe_T0_cc, |
| gen_op_sets_T0_cc, |
| gen_op_setp_T0_cc, |
| gen_op_setl_T0_cc, |
| gen_op_setle_T0_cc, |
| }; |
| |
| static GenOpFunc *gen_setcc_sub[4][8] = { |
| [OT_BYTE] = { |
| NULL, |
| gen_op_setb_T0_subb, |
| gen_op_setz_T0_subb, |
| gen_op_setbe_T0_subb, |
| gen_op_sets_T0_subb, |
| NULL, |
| gen_op_setl_T0_subb, |
| gen_op_setle_T0_subb, |
| }, |
| [OT_WORD] = { |
| NULL, |
| gen_op_setb_T0_subw, |
| gen_op_setz_T0_subw, |
| gen_op_setbe_T0_subw, |
| gen_op_sets_T0_subw, |
| NULL, |
| gen_op_setl_T0_subw, |
| gen_op_setle_T0_subw, |
| }, |
| [OT_LONG] = { |
| NULL, |
| gen_op_setb_T0_subl, |
| gen_op_setz_T0_subl, |
| gen_op_setbe_T0_subl, |
| gen_op_sets_T0_subl, |
| NULL, |
| gen_op_setl_T0_subl, |
| gen_op_setle_T0_subl, |
| }, |
| #ifdef TARGET_X86_64 |
| [OT_QUAD] = { |
| NULL, |
| gen_op_setb_T0_subq, |
| gen_op_setz_T0_subq, |
| gen_op_setbe_T0_subq, |
| gen_op_sets_T0_subq, |
| NULL, |
| gen_op_setl_T0_subq, |
| gen_op_setle_T0_subq, |
| }, |
| #endif |
| }; |
| |
| static GenOpFunc *gen_op_fp_arith_ST0_FT0[8] = { |
| gen_op_fadd_ST0_FT0, |
| gen_op_fmul_ST0_FT0, |
| gen_op_fcom_ST0_FT0, |
| gen_op_fcom_ST0_FT0, |
| gen_op_fsub_ST0_FT0, |
| gen_op_fsubr_ST0_FT0, |
| gen_op_fdiv_ST0_FT0, |
| gen_op_fdivr_ST0_FT0, |
| }; |
| |
| /* NOTE the exception in "r" op ordering */ |
| static GenOpFunc1 *gen_op_fp_arith_STN_ST0[8] = { |
| gen_op_fadd_STN_ST0, |
| gen_op_fmul_STN_ST0, |
| NULL, |
| NULL, |
| gen_op_fsubr_STN_ST0, |
| gen_op_fsub_STN_ST0, |
| gen_op_fdivr_STN_ST0, |
| gen_op_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) |
| { |
| GenOpFunc *gen_update_cc; |
| |
| 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: |
| case OP_SBBL: |
| if (s1->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s1->cc_op); |
| if (d != OR_TMP0) { |
| gen_op_arithc_T0_T1_cc[ot][op - OP_ADCL](); |
| gen_op_mov_reg_T0(ot, d); |
| } else { |
| gen_op_arithc_mem_T0_T1_cc[ot + s1->mem_index][op - OP_ADCL](); |
| } |
| s1->cc_op = CC_OP_DYNAMIC; |
| goto the_end; |
| case OP_ADDL: |
| gen_op_addl_T0_T1(); |
| s1->cc_op = CC_OP_ADDB + ot; |
| gen_update_cc = gen_op_update2_cc; |
| break; |
| case OP_SUBL: |
| tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| s1->cc_op = CC_OP_SUBB + ot; |
| gen_update_cc = gen_op_update2_cc; |
| break; |
| default: |
| case OP_ANDL: |
| tcg_gen_and_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| s1->cc_op = CC_OP_LOGICB + ot; |
| gen_update_cc = gen_op_update1_cc; |
| break; |
| case OP_ORL: |
| tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| s1->cc_op = CC_OP_LOGICB + ot; |
| gen_update_cc = gen_op_update1_cc; |
| break; |
| case OP_XORL: |
| tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| s1->cc_op = CC_OP_LOGICB + ot; |
| gen_update_cc = gen_op_update1_cc; |
| break; |
| case OP_CMPL: |
| gen_op_cmpl_T0_T1_cc(); |
| s1->cc_op = CC_OP_SUBB + ot; |
| gen_update_cc = NULL; |
| break; |
| } |
| if (op != OP_CMPL) { |
| if (d != OR_TMP0) |
| gen_op_mov_reg_T0(ot, d); |
| else |
| gen_op_st_T0_A0(ot + s1->mem_index); |
| } |
| /* the flags update must happen after the memory write (precise |
| exception support) */ |
| if (gen_update_cc) |
| gen_update_cc(); |
| the_end: ; |
| } |
| |
| /* 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) { |
| gen_op_incl_T0(); |
| s1->cc_op = CC_OP_INCB + ot; |
| } else { |
| gen_op_decl_T0(); |
| 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_op_update_inc_cc(); |
| } |
| |
| static void gen_shift(DisasContext *s1, int op, int ot, int d, int s) |
| { |
| if (d != OR_TMP0) |
| gen_op_mov_TN_reg(ot, 0, d); |
| else |
| gen_op_ld_T0_A0(ot + s1->mem_index); |
| if (s != OR_TMP1) |
| gen_op_mov_TN_reg(ot, 1, s); |
| /* for zero counts, flags are not updated, so must do it dynamically */ |
| if (s1->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s1->cc_op); |
| |
| if (d != OR_TMP0) |
| gen_op_shift_T0_T1_cc[ot][op](); |
| else |
| gen_op_shift_mem_T0_T1_cc[ot + s1->mem_index][op](); |
| if (d != OR_TMP0) |
| gen_op_mov_reg_T0(ot, d); |
| s1->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */ |
| } |
| |
| static void gen_shifti(DisasContext *s1, int op, int ot, int d, int c) |
| { |
| /* currently not optimized */ |
| gen_op_movl_T1_im(c); |
| gen_shift(s1, op, ot, d, OR_TMP1); |
| } |
| |
| 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) |
| { |
| TranslationBlock *tb; |
| int inv, jcc_op; |
| GenOpFunc1 *func; |
| target_ulong tmp; |
| int l1, l2; |
| |
| inv = b & 1; |
| jcc_op = (b >> 1) & 7; |
| |
| if (s->jmp_opt) { |
| 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: |
| func = gen_jcc_sub[s->cc_op - CC_OP_SUBB][jcc_op]; |
| 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: |
| func = gen_jcc_sub[(s->cc_op - CC_OP_ADDB) % 4][jcc_op]; |
| break; |
| case JCC_S: |
| func = gen_jcc_sub[(s->cc_op - CC_OP_ADDB) % 4][jcc_op]; |
| break; |
| default: |
| func = NULL; |
| break; |
| } |
| break; |
| default: |
| func = NULL; |
| break; |
| } |
| |
| if (s->cc_op != CC_OP_DYNAMIC) { |
| gen_op_set_cc_op(s->cc_op); |
| s->cc_op = CC_OP_DYNAMIC; |
| } |
| |
| if (!func) { |
| gen_setcc_slow[jcc_op](); |
| func = gen_op_jnz_T0_label; |
| } |
| |
| if (inv) { |
| tmp = val; |
| val = next_eip; |
| next_eip = tmp; |
| } |
| tb = s->tb; |
| |
| l1 = gen_new_label(); |
| func(l1); |
| |
| gen_goto_tb(s, 0, next_eip); |
| |
| gen_set_label(l1); |
| gen_goto_tb(s, 1, val); |
| |
| s->is_jmp = 3; |
| } else { |
| |
| if (s->cc_op != CC_OP_DYNAMIC) { |
| gen_op_set_cc_op(s->cc_op); |
| s->cc_op = CC_OP_DYNAMIC; |
| } |
| gen_setcc_slow[jcc_op](); |
| if (inv) { |
| tmp = val; |
| val = next_eip; |
| next_eip = tmp; |
| } |
| l1 = gen_new_label(); |
| l2 = gen_new_label(); |
| gen_op_jnz_T0_label(l1); |
| gen_jmp_im(next_eip); |
| gen_op_jmp_label(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; |
| GenOpFunc *func; |
| |
| inv = b & 1; |
| 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: |
| func = gen_setcc_sub[s->cc_op - CC_OP_SUBB][jcc_op]; |
| if (!func) |
| 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: |
| switch(jcc_op) { |
| case JCC_Z: |
| func = gen_setcc_sub[(s->cc_op - CC_OP_ADDB) % 4][jcc_op]; |
| break; |
| case JCC_S: |
| func = gen_setcc_sub[(s->cc_op - CC_OP_ADDB) % 4][jcc_op]; |
| break; |
| default: |
| goto slow_jcc; |
| } |
| break; |
| default: |
| slow_jcc: |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| func = gen_setcc_slow[jcc_op]; |
| break; |
| } |
| func(); |
| if (inv) { |
| gen_op_xor_T0_1(); |
| } |
| } |
| |
| /* 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); |
| gen_op_movl_seg_T0(seg_reg); |
| /* 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(offsetof(CPUX86State,segs[seg_reg])); |
| if (seg_reg == R_SS) |
| s->is_jmp = 3; |
| } |
| } |
| |
| #define SVM_movq_T1_im(x) gen_movtl_T1_im(x) |
| |
| static inline int |
| gen_svm_check_io(DisasContext *s, target_ulong pc_start, uint64_t type) |
| { |
| #if !defined(CONFIG_USER_ONLY) |
| if(s->flags & (1ULL << INTERCEPT_IOIO_PROT)) { |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| SVM_movq_T1_im(s->pc - s->cs_base); |
| gen_jmp_im(pc_start - s->cs_base); |
| gen_op_geneflags(); |
| gen_op_svm_check_intercept_io((uint32_t)(type >> 32), (uint32_t)type); |
| s->cc_op = CC_OP_DYNAMIC; |
| /* FIXME: maybe we could move the io intercept vector to the TB as well |
| so we know if this is an EOB or not ... let's assume it's not |
| for now. */ |
| } |
| #endif |
| return 0; |
| } |
| |
| 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, |
| uint64_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); |
| s->cc_op = CC_OP_DYNAMIC; |
| } |
| gen_jmp_im(pc_start - s->cs_base); |
| SVM_movq_T1_im(param); |
| gen_op_geneflags(); |
| gen_op_svm_check_intercept_param((uint32_t)(type >> 32), (uint32_t)type); |
| /* 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); |
| s->cc_op = CC_OP_DYNAMIC; |
| } |
| gen_jmp_im(pc_start - s->cs_base); |
| SVM_movq_T1_im(param); |
| gen_op_geneflags(); |
| gen_op_svm_check_intercept_param((uint32_t)(type >> 32), (uint32_t)type); |
| /* 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); |
| s->cc_op = CC_OP_EFLAGS; |
| } |
| gen_jmp_im(pc_start - s->cs_base); |
| SVM_movq_T1_im(param); |
| gen_op_geneflags(); |
| gen_op_svm_vmexit(type >> 32, type); |
| /* 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_addq_ESP_im(addend); |
| } else |
| #endif |
| if (s->ss32) { |
| gen_op_addl_ESP_im(addend); |
| } else { |
| gen_op_addw_ESP_im(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) { |
| gen_op_movl_T1_A0(); |
| gen_op_addl_A0_seg(R_SS); |
| } |
| } else { |
| gen_op_andl_A0_ffff(); |
| gen_op_movl_T1_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(); |
| gen_op_movl_T1_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(); |
| gen_op_movl_T1_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(); |
| gen_op_movl_T1_A0(); |
| gen_op_addl_T1_im(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); |
| gen_op_movl_T1_A0(); |
| |
| /* push bp */ |
| gen_op_mov_TN_reg(OT_LONG, 0, R_EBP); |
| gen_op_st_T0_A0(ot + s->mem_index); |
| if (level) { |
| gen_op_enter64_level(level, (ot == OT_QUAD)); |
| } |
| gen_op_mov_reg_T1(ot, R_EBP); |
| gen_op_addl_T1_im( -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(); |
| gen_op_movl_T1_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) { |
| gen_op_enter_level(level, s->dflag); |
| } |
| gen_op_mov_reg_T1(ot, R_EBP); |
| gen_op_addl_T1_im( -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); |
| gen_op_raise_exception(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); |
| gen_op_raise_interrupt(intno, (int)(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); |
| gen_op_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) { |
| gen_op_reset_inhibit_irq(); |
| } |
| if (s->singlestep_enabled) { |
| gen_op_debug(); |
| } else if (s->tf) { |
| gen_op_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 GenOpFunc1 *gen_ldq_env_A0[3] = { |
| gen_op_ldq_raw_env_A0, |
| #ifndef CONFIG_USER_ONLY |
| gen_op_ldq_kernel_env_A0, |
| gen_op_ldq_user_env_A0, |
| #endif |
| }; |
| |
| static GenOpFunc1 *gen_stq_env_A0[3] = { |
| gen_op_stq_raw_env_A0, |
| #ifndef CONFIG_USER_ONLY |
| gen_op_stq_kernel_env_A0, |
| gen_op_stq_user_env_A0, |
| #endif |
| }; |
| |
| static GenOpFunc1 *gen_ldo_env_A0[3] = { |
| gen_op_ldo_raw_env_A0, |
| #ifndef CONFIG_USER_ONLY |
| gen_op_ldo_kernel_env_A0, |
| gen_op_ldo_user_env_A0, |
| #endif |
| }; |
| |
| static GenOpFunc1 *gen_sto_env_A0[3] = { |
| gen_op_sto_raw_env_A0, |
| #ifndef CONFIG_USER_ONLY |
| gen_op_sto_kernel_env_A0, |
| gen_op_sto_user_env_A0, |
| #endif |
| }; |
| |
| #define SSE_SPECIAL ((GenOpFunc2 *)1) |
| #define SSE_DUMMY ((GenOpFunc2 *)2) |
| |
| #define MMX_OP2(x) { gen_op_ ## x ## _mmx, gen_op_ ## x ## _xmm } |
| #define SSE_FOP(x) { gen_op_ ## x ## ps, gen_op_ ## x ## pd, \ |
| gen_op_ ## x ## ss, gen_op_ ## x ## sd, } |
| |
| static GenOpFunc2 *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] = { gen_op_punpckldq_xmm, gen_op_punpcklqdq_xmm }, |
| [0x15] = { gen_op_punpckhdq_xmm, gen_op_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] = { gen_op_ucomiss, gen_op_ucomisd }, |
| [0x2f] = { gen_op_comiss, gen_op_comisd }, |
| [0x50] = { SSE_SPECIAL, SSE_SPECIAL }, /* movmskps, movmskpd */ |
| [0x51] = SSE_FOP(sqrt), |
| [0x52] = { gen_op_rsqrtps, NULL, gen_op_rsqrtss, NULL }, |
| [0x53] = { gen_op_rcpps, NULL, gen_op_rcpss, NULL }, |
| [0x54] = { gen_op_pand_xmm, gen_op_pand_xmm }, /* andps, andpd */ |
| [0x55] = { gen_op_pandn_xmm, gen_op_pandn_xmm }, /* andnps, andnpd */ |
| [0x56] = { gen_op_por_xmm, gen_op_por_xmm }, /* orps, orpd */ |
| [0x57] = { gen_op_pxor_xmm, gen_op_pxor_xmm }, /* xorps, xorpd */ |
| [0x58] = SSE_FOP(add), |
| [0x59] = SSE_FOP(mul), |
| [0x5a] = { gen_op_cvtps2pd, gen_op_cvtpd2ps, |
| gen_op_cvtss2sd, gen_op_cvtsd2ss }, |
| [0x5b] = { gen_op_cvtdq2ps, gen_op_cvtps2dq, gen_op_cvttps2dq }, |
| [0x5c] = SSE_FOP(sub), |
| [0x5d] = SSE_FOP(min), |
| [0x5e] = SSE_FOP(div), |
| [0x5f] = SSE_FOP(max), |
| |
| [0xc2] = SSE_FOP(cmpeq), |
| [0xc6] = { (GenOpFunc2 *)gen_op_shufps, (GenOpFunc2 *)gen_op_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, gen_op_punpcklqdq_xmm }, |
| [0x6d] = { NULL, gen_op_punpckhqdq_xmm }, |
| [0x6e] = { SSE_SPECIAL, SSE_SPECIAL }, /* movd mm, ea */ |
| [0x6f] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movq, movdqa, , movqdu */ |
| [0x70] = { (GenOpFunc2 *)gen_op_pshufw_mmx, |
| (GenOpFunc2 *)gen_op_pshufd_xmm, |
| (GenOpFunc2 *)gen_op_pshufhw_xmm, |
| (GenOpFunc2 *)gen_op_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, gen_op_haddpd, NULL, gen_op_haddps }, |
| [0x7d] = { NULL, gen_op_hsubpd, NULL, gen_op_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, gen_op_addsubpd, NULL, gen_op_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, gen_op_cvttpd2dq, gen_op_cvtdq2pd, gen_op_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 GenOpFunc2 *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, gen_op_psrldq_xmm }, |
| [16 + 6] = MMX_OP2(psllq), |
| [16 + 7] = { NULL, gen_op_pslldq_xmm }, |
| }; |
| |
| static GenOpFunc1 *sse_op_table3[4 * 3] = { |
| gen_op_cvtsi2ss, |
| gen_op_cvtsi2sd, |
| X86_64_ONLY(gen_op_cvtsq2ss), |
| X86_64_ONLY(gen_op_cvtsq2sd), |
| |
| gen_op_cvttss2si, |
| gen_op_cvttsd2si, |
| X86_64_ONLY(gen_op_cvttss2sq), |
| X86_64_ONLY(gen_op_cvttsd2sq), |
| |
| gen_op_cvtss2si, |
| gen_op_cvtsd2si, |
| X86_64_ONLY(gen_op_cvtss2sq), |
| X86_64_ONLY(gen_op_cvtsd2sq), |
| }; |
| |
| static GenOpFunc2 *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 GenOpFunc2 *sse_op_table5[256] = { |
| [0x0c] = gen_op_pi2fw, |
| [0x0d] = gen_op_pi2fd, |
| [0x1c] = gen_op_pf2iw, |
| [0x1d] = gen_op_pf2id, |
| [0x8a] = gen_op_pfnacc, |
| [0x8e] = gen_op_pfpnacc, |
| [0x90] = gen_op_pfcmpge, |
| [0x94] = gen_op_pfmin, |
| [0x96] = gen_op_pfrcp, |
| [0x97] = gen_op_pfrsqrt, |
| [0x9a] = gen_op_pfsub, |
| [0x9e] = gen_op_pfadd, |
| [0xa0] = gen_op_pfcmpgt, |
| [0xa4] = gen_op_pfmax, |
| [0xa6] = gen_op_movq, /* pfrcpit1; no need to actually increase precision */ |
| [0xa7] = gen_op_movq, /* pfrsqit1 */ |
| [0xaa] = gen_op_pfsubr, |
| [0xae] = gen_op_pfacc, |
| [0xb0] = gen_op_pfcmpeq, |
| [0xb4] = gen_op_pfmul, |
| [0xb6] = gen_op_movq, /* pfrcpit2 */ |
| [0xb7] = gen_op_pmulhrw_mmx, |
| [0xbb] = gen_op_pswapd, |
| [0xbf] = gen_op_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; |
| GenOpFunc2 *sse_op2; |
| GenOpFunc3 *sse_op3; |
| |
| 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 */ |
| gen_op_emms(); |
| return; |
| } |
| if (b == 0x77) { |
| /* emms */ |
| gen_op_emms(); |
| return; |
| } |
| /* prepare MMX state (XXX: optimize by storing fptt and fptags in |
| the static cpu state) */ |
| if (!is_xmm) { |
| gen_op_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, ®_addr, &offset_addr); |
| gen_stq_env_A0[s->mem_index >> 2](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, ®_addr, &offset_addr); |
| gen_sto_env_A0[s->mem_index >> 2](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); |
| gen_op_movq_mm_T0_mmx(offsetof(CPUX86State,fpregs[reg].mmx)); |
| } else |
| #endif |
| { |
| gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 0); |
| gen_op_movl_mm_T0_mmx(offsetof(CPUX86State,fpregs[reg].mmx)); |
| } |
| break; |
| case 0x16e: /* movd xmm, ea */ |
| #ifdef TARGET_X86_64 |
| if (s->dflag == 2) { |
| gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 0); |
| gen_op_movq_mm_T0_xmm(offsetof(CPUX86State,xmm_regs[reg])); |
| } else |
| #endif |
| { |
| gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 0); |
| gen_op_movl_mm_T0_xmm(offsetof(CPUX86State,xmm_regs[reg])); |
| } |
| break; |
| case 0x6f: /* movq mm, ea */ |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| gen_ldq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,fpregs[reg].mmx)); |
| } else { |
| rm = (modrm & 7); |
| gen_op_movq(offsetof(CPUX86State,fpregs[reg].mmx), |
| offsetof(CPUX86State,fpregs[rm].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, ®_addr, &offset_addr); |
| gen_ldo_env_A0[s->mem_index >> 2](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, ®_addr, &offset_addr); |
| gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
| gen_op_movl_env_T0(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0))); |
| gen_op_movl_T0_0(); |
| gen_op_movl_env_T0(offsetof(CPUX86State,xmm_regs[reg].XMM_L(1))); |
| gen_op_movl_env_T0(offsetof(CPUX86State,xmm_regs[reg].XMM_L(2))); |
| gen_op_movl_env_T0(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, ®_addr, &offset_addr); |
| gen_ldq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); |
| gen_op_movl_T0_0(); |
| gen_op_movl_env_T0(offsetof(CPUX86State,xmm_regs[reg].XMM_L(2))); |
| gen_op_movl_env_T0(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, ®_addr, &offset_addr); |
| gen_ldq_env_A0[s->mem_index >> 2](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, ®_addr, &offset_addr); |
| gen_ldo_env_A0[s->mem_index >> 2](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, ®_addr, &offset_addr); |
| gen_ldq_env_A0[s->mem_index >> 2](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, ®_addr, &offset_addr); |
| gen_ldq_env_A0[s->mem_index >> 2](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, ®_addr, &offset_addr); |
| gen_ldo_env_A0[s->mem_index >> 2](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) { |
| gen_op_movq_T0_mm_mmx(offsetof(CPUX86State,fpregs[reg].mmx)); |
| gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 1); |
| } else |
| #endif |
| { |
| gen_op_movl_T0_mm_mmx(offsetof(CPUX86State,fpregs[reg].mmx)); |
| gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 1); |
| } |
| break; |
| case 0x17e: /* movd ea, xmm */ |
| #ifdef TARGET_X86_64 |
| if (s->dflag == 2) { |
| gen_op_movq_T0_mm_xmm(offsetof(CPUX86State,xmm_regs[reg])); |
| gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 1); |
| } else |
| #endif |
| { |
| gen_op_movl_T0_mm_xmm(offsetof(CPUX86State,xmm_regs[reg])); |
| gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 1); |
| } |
| break; |
| case 0x27e: /* movq xmm, ea */ |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| gen_ldq_env_A0[s->mem_index >> 2](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, ®_addr, &offset_addr); |
| gen_stq_env_A0[s->mem_index >> 2](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, ®_addr, &offset_addr); |
| gen_sto_env_A0[s->mem_index >> 2](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, ®_addr, &offset_addr); |
| gen_op_movl_T0_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, ®_addr, &offset_addr); |
| gen_stq_env_A0[s->mem_index >> 2](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, ®_addr, &offset_addr); |
| gen_stq_env_A0[s->mem_index >> 2](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, ®_addr, &offset_addr); |
| gen_stq_env_A0[s->mem_index >> 2](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); |
| gen_op_movl_env_T0(offsetof(CPUX86State,xmm_t0.XMM_L(0))); |
| gen_op_movl_T0_0(); |
| gen_op_movl_env_T0(offsetof(CPUX86State,xmm_t0.XMM_L(1))); |
| op1_offset = offsetof(CPUX86State,xmm_t0); |
| } else { |
| gen_op_movl_T0_im(val); |
| gen_op_movl_env_T0(offsetof(CPUX86State,mmx_t0.MMX_L(0))); |
| gen_op_movl_T0_0(); |
| gen_op_movl_env_T0(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); |
| } |
| sse_op2(op2_offset, op1_offset); |
| break; |
| case 0x050: /* movmskps */ |
| rm = (modrm & 7) | REX_B(s); |
| gen_op_movmskps(offsetof(CPUX86State,xmm_regs[rm])); |
| gen_op_mov_reg_T0(OT_LONG, reg); |
| break; |
| case 0x150: /* movmskpd */ |
| rm = (modrm & 7) | REX_B(s); |
| gen_op_movmskpd(offsetof(CPUX86State,xmm_regs[rm])); |
| gen_op_mov_reg_T0(OT_LONG, reg); |
| break; |
| case 0x02a: /* cvtpi2ps */ |
| case 0x12a: /* cvtpi2pd */ |
| gen_op_enter_mmx(); |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| op2_offset = offsetof(CPUX86State,mmx_t0); |
| gen_ldq_env_A0[s->mem_index >> 2](op2_offset); |
| } else { |
| rm = (modrm & 7); |
| op2_offset = offsetof(CPUX86State,fpregs[rm].mmx); |
| } |
| op1_offset = offsetof(CPUX86State,xmm_regs[reg]); |
| switch(b >> 8) { |
| case 0x0: |
| gen_op_cvtpi2ps(op1_offset, op2_offset); |
| break; |
| default: |
| case 0x1: |
| gen_op_cvtpi2pd(op1_offset, op2_offset); |
| 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]); |
| sse_op_table3[(s->dflag == 2) * 2 + ((b >> 8) - 2)](op1_offset); |
| break; |
| case 0x02c: /* cvttps2pi */ |
| case 0x12c: /* cvttpd2pi */ |
| case 0x02d: /* cvtps2pi */ |
| case 0x12d: /* cvtpd2pi */ |
| gen_op_enter_mmx(); |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| op2_offset = offsetof(CPUX86State,xmm_t0); |
| gen_ldo_env_A0[s->mem_index >> 2](op2_offset); |
| } else { |
| rm = (modrm & 7) | REX_B(s); |
| op2_offset = offsetof(CPUX86State,xmm_regs[rm]); |
| } |
| op1_offset = offsetof(CPUX86State,fpregs[reg & 7].mmx); |
| switch(b) { |
| case 0x02c: |
| gen_op_cvttps2pi(op1_offset, op2_offset); |
| break; |
| case 0x12c: |
| gen_op_cvttpd2pi(op1_offset, op2_offset); |
| break; |
| case 0x02d: |
| gen_op_cvtps2pi(op1_offset, op2_offset); |
| break; |
| case 0x12d: |
| gen_op_cvtpd2pi(op1_offset, op2_offset); |
| 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, ®_addr, &offset_addr); |
| if ((b >> 8) & 1) { |
| gen_ldq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_t0.XMM_Q(0))); |
| } else { |
| gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
| gen_op_movl_env_T0(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_op_table3[(s->dflag == 2) * 2 + ((b >> 8) - 2) + 4 + |
| (b & 1) * 4](op2_offset); |
| 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; |
| gen_op_pinsrw_xmm(offsetof(CPUX86State,xmm_regs[reg]), val); |
| } else { |
| val &= 3; |
| gen_op_pinsrw_mmx(offsetof(CPUX86State,fpregs[reg].mmx), 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); |
| gen_op_pextrw_xmm(offsetof(CPUX86State,xmm_regs[rm]), val); |
| } else { |
| val &= 3; |
| rm = (modrm & 7); |
| gen_op_pextrw_mmx(offsetof(CPUX86State,fpregs[rm].mmx), 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, ®_addr, &offset_addr); |
| gen_stq_env_A0[s->mem_index >> 2](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 */ |
| gen_op_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 */ |
| gen_op_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); |
| gen_op_pmovmskb_xmm(offsetof(CPUX86State,xmm_regs[rm])); |
| } else { |
| rm = (modrm & 7); |
| gen_op_pmovmskb_mmx(offsetof(CPUX86State,fpregs[rm].mmx)); |
| } |
| 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 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); |
| break; |
| 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, ®_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); |
| gen_op_movl_env_T0(offsetof(CPUX86State,xmm_t0.XMM_L(0))); |
| } else { |
| /* 64 bit access */ |
| gen_ldq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_t0.XMM_D(0))); |
| } |
| } else { |
| gen_ldo_env_A0[s->mem_index >> 2](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, ®_addr, &offset_addr); |
| op2_offset = offsetof(CPUX86State,mmx_t0); |
| gen_ldq_env_A0[s->mem_index >> 2](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; |
| sse_op2(op1_offset, op2_offset); |
| break; |
| case 0x70: /* pshufx insn */ |
| case 0xc6: /* pshufx insn */ |
| val = ldub_code(s->pc++); |
| sse_op3 = (GenOpFunc3 *)sse_op2; |
| sse_op3(op1_offset, op2_offset, val); |
| break; |
| case 0xc2: |
| /* compare insns */ |
| val = ldub_code(s->pc++); |
| if (val >= 8) |
| goto illegal_op; |
| sse_op2 = sse_op_table4[val][b1]; |
| sse_op2(op1_offset, op2_offset); |
| break; |
| default: |
| sse_op2(op1_offset, op2_offset); |
| 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; |
| |
| 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) |
| gen_op_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, ®_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, ®_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, ®_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, ®_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 */ |
| gen_op_notl_T0(); |
| if (mod != 3) { |
| gen_op_st_T0_A0(ot + s->mem_index); |
| } else { |
| gen_op_mov_reg_T0(ot, rm); |
| } |
| break; |
| case 3: /* neg */ |
| gen_op_negl_T0(); |
| 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_mulb_AL_T0(); |
| s->cc_op = CC_OP_MULB; |
| break; |
| case OT_WORD: |
| gen_op_mulw_AX_T0(); |
| s->cc_op = CC_OP_MULW; |
| break; |
| default: |
| case OT_LONG: |
| gen_op_mull_EAX_T0(); |
| s->cc_op = CC_OP_MULL; |
| break; |
| #ifdef TARGET_X86_64 |
| case OT_QUAD: |
| gen_op_mulq_EAX_T0(); |
| s->cc_op = CC_OP_MULQ; |
| break; |
| #endif |
| } |
| break; |
| case 5: /* imul */ |
| switch(ot) { |
| case OT_BYTE: |
| gen_op_imulb_AL_T0(); |
| s->cc_op = CC_OP_MULB; |
| break; |
| case OT_WORD: |
| gen_op_imulw_AX_T0(); |
| s->cc_op = CC_OP_MULW; |
| break; |
| default: |
| case OT_LONG: |
| gen_op_imull_EAX_T0(); |
| s->cc_op = CC_OP_MULL; |
| break; |
| #ifdef TARGET_X86_64 |
| case OT_QUAD: |
| gen_op_imulq_EAX_T0(); |
| 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); |
| gen_op_divb_AL_T0(); |
| break; |
| case OT_WORD: |
| gen_jmp_im(pc_start - s->cs_base); |
| gen_op_divw_AX_T0(); |
| break; |
| default: |
| case OT_LONG: |
| gen_jmp_im(pc_start - s->cs_base); |
| #ifdef MACRO_TEST |
| /* XXX: this is just a test */ |
| tcg_gen_macro_2(cpu_T[0], cpu_T[0], MACRO_TEST); |
| #else |
| tcg_gen_helper_0_1(helper_divl_EAX_T0, cpu_T[0]); |
| #endif |
| break; |
| #ifdef TARGET_X86_64 |
| case OT_QUAD: |
| gen_jmp_im(pc_start - s->cs_base); |
| gen_op_divq_EAX_T0(); |
| break; |
| #endif |
| } |
| break; |
| case 7: /* idiv */ |
| switch(ot) { |
| case OT_BYTE: |
| gen_jmp_im(pc_start - s->cs_base); |
| gen_op_idivb_AL_T0(); |
| break; |
| case OT_WORD: |
| gen_jmp_im(pc_start - s->cs_base); |
| gen_op_idivw_AX_T0(); |
| break; |
| default: |
| case OT_LONG: |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_1(helper_idivl_EAX_T0, cpu_T[0]); |
| break; |
| #ifdef TARGET_X86_64 |
| case OT_QUAD: |
| gen_jmp_im(pc_start - s->cs_base); |
| gen_op_idivq_EAX_T0(); |
| 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, ®_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); |
| gen_op_lcall_protected_T0_T1(dflag, s->pc - pc_start); |
| } else { |
| gen_op_lcall_real_T0_T1(dflag, 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); |
| gen_op_ljmp_protected_T0_T1(s->pc - pc_start); |
| } else { |
| gen_op_movl_seg_T0_vm(offsetof(CPUX86State,segs[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_movslq_RAX_EAX(); |
| } else |
| #endif |
| if (dflag == 1) |
| gen_op_movswl_EAX_AX(); |
| else |
| gen_op_movsbw_AX_AL(); |
| break; |
| case 0x99: /* CDQ/CWD */ |
| #ifdef TARGET_X86_64 |
| if (dflag == 2) { |
| gen_op_movsqo_RDX_RAX(); |
| } else |
| #endif |
| if (dflag == 1) |
| gen_op_movslq_EDX_EAX(); |
| else |
| gen_op_movswl_DX_AX(); |
| 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) { |
| gen_op_imulq_T0_T1(); |
| } else |
| #endif |
| if (ot == OT_LONG) { |
| gen_op_imull_T0_T1(); |
| } else { |
| gen_op_imulw_T0_T1(); |
| } |
| 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, ®_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 */ |
| 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); |
| gen_op_cmpxchg_T0_T1_EAX_cc[ot](); |
| gen_op_mov_reg_T0(ot, rm); |
| } else { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| gen_op_ld_T0_A0(ot + s->mem_index); |
| gen_op_cmpxchg_mem_T0_T1_EAX_cc[ot + s->mem_index](); |
| } |
| 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; |
| 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, ®_addr, &offset_addr); |
| gen_op_cmpxchg8b(); |
| 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)) |
| gen_op_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, ®_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)) |
| gen_op_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: |
| gen_op_movzbl_T0_T0(); |
| break; |
| case OT_BYTE | 8: |
| gen_op_movsbl_T0_T0(); |
| break; |
| case OT_WORD: |
| gen_op_movzwl_T0_T0(); |
| break; |
| default: |
| case OT_WORD | 8: |
| gen_op_movswl_T0_T0(); |
| break; |
| } |
| gen_op_mov_reg_T0(d_ot, reg); |
| } else { |
| gen_lea_modrm(s, modrm, ®_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, ®_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_addq_A0_AL(); |
| } else |
| #endif |
| { |
| gen_op_movl_A0_reg(R_EBX); |
| gen_op_addl_A0_AL(); |
| if (s->aflag == 0) |
| gen_op_andl_A0_ffff(); |
| } |
| 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, ®_addr, &offset_addr); |
| gen_op_mov_TN_reg(ot, 0, reg); |
| /* for xchg, lock is implicit */ |
| if (!(prefixes & PREFIX_LOCK)) |
| gen_op_lock(); |
| gen_op_ld_T1_A0(ot + s->mem_index); |
| gen_op_st_T0_A0(ot + s->mem_index); |
| if (!(prefixes & PREFIX_LOCK)) |
| gen_op_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, ®_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, ®_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, ®_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); |
| |
| if (shift) { |
| val = ldub_code(s->pc++); |
| if (ot == OT_QUAD) |
| val &= 0x3f; |
| else |
| val &= 0x1f; |
| if (val) { |
| if (mod == 3) |
| gen_op_shiftd_T0_T1_im_cc[ot][op](val); |
| else |
| gen_op_shiftd_mem_T0_T1_im_cc[ot + s->mem_index][op](val); |
| if (op == 0 && ot != OT_WORD) |
| s->cc_op = CC_OP_SHLB + ot; |
| else |
| s->cc_op = CC_OP_SARB + ot; |
| } |
| } else { |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| if (mod == 3) |
| gen_op_shiftd_T0_T1_ECX_cc[ot][op](); |
| else |
| gen_op_shiftd_mem_T0_T1_ECX_cc[ot + s->mem_index][op](); |
| s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */ |
| } |
| if (mod == 3) { |
| gen_op_mov_reg_T0(ot, rm); |
| } |
| 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, ®_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_flds_FT0_A0(); |
| break; |
| case 1: |
| gen_op_fildl_FT0_A0(); |
| break; |
| case 2: |
| gen_op_fldl_FT0_A0(); |
| break; |
| case 3: |
| default: |
| gen_op_fild_FT0_A0(); |
| break; |
| } |
| |
| gen_op_fp_arith_ST0_FT0[op1](); |
| if (op1 == 3) { |
| /* fcomp needs pop */ |
| gen_op_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_flds_ST0_A0(); |
| break; |
| case 1: |
| gen_op_fildl_ST0_A0(); |
| break; |
| case 2: |
| gen_op_fldl_ST0_A0(); |
| break; |
| case 3: |
| default: |
| gen_op_fild_ST0_A0(); |
| break; |
| } |
| break; |
| case 1: |
| switch(op >> 4) { |
| case 1: |
| gen_op_fisttl_ST0_A0(); |
| break; |
| case 2: |
| gen_op_fisttll_ST0_A0(); |
| break; |
| case 3: |
| default: |
| gen_op_fistt_ST0_A0(); |
| } |
| gen_op_fpop(); |
| break; |
| default: |
| switch(op >> 4) { |
| case 0: |
| gen_op_fsts_ST0_A0(); |
| break; |
| case 1: |
| gen_op_fistl_ST0_A0(); |
| break; |
| case 2: |
| gen_op_fstl_ST0_A0(); |
| break; |
| case 3: |
| default: |
| gen_op_fist_ST0_A0(); |
| break; |
| } |
| if ((op & 7) == 3) |
| gen_op_fpop(); |
| break; |
| } |
| break; |
| case 0x0c: /* fldenv mem */ |
| gen_op_fldenv_A0(s->dflag); |
| break; |
| case 0x0d: /* fldcw mem */ |
| gen_op_fldcw_A0(); |
| break; |
| case 0x0e: /* fnstenv mem */ |
| gen_op_fnstenv_A0(s->dflag); |
| break; |
| case 0x0f: /* fnstcw mem */ |
| gen_op_fnstcw_A0(); |
| break; |
| case 0x1d: /* fldt mem */ |
| gen_op_fldt_ST0_A0(); |
| break; |
| case 0x1f: /* fstpt mem */ |
| gen_op_fstt_ST0_A0(); |
| gen_op_fpop(); |
| break; |
| case 0x2c: /* frstor mem */ |
| gen_op_frstor_A0(s->dflag); |
| break; |
| case 0x2e: /* fnsave mem */ |
| gen_op_fnsave_A0(s->dflag); |
| break; |
| case 0x2f: /* fnstsw mem */ |
| gen_op_fnstsw_A0(); |
| break; |
| case 0x3c: /* fbld */ |
| gen_op_fbld_ST0_A0(); |
| break; |
| case 0x3e: /* fbstp */ |
| gen_op_fbst_ST0_A0(); |
| gen_op_fpop(); |
| break; |
| case 0x3d: /* fildll */ |
| gen_op_fildll_ST0_A0(); |
| break; |
| case 0x3f: /* fistpll */ |
| gen_op_fistll_ST0_A0(); |
| gen_op_fpop(); |
| break; |
| default: |
| goto illegal_op; |
| } |
| } else { |
| /* register float ops */ |
| opreg = rm; |
| |
| switch(op) { |
| case 0x08: /* fld sti */ |
| gen_op_fpush(); |
| gen_op_fmov_ST0_STN((opreg + 1) & 7); |
| break; |
| case 0x09: /* fxchg sti */ |
| case 0x29: /* fxchg4 sti, undocumented op */ |
| case 0x39: /* fxchg7 sti, undocumented op */ |
| gen_op_fxchg_ST0_STN(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); |
| gen_op_fwait(); |
| break; |
| default: |
| goto illegal_op; |
| } |
| break; |
| case 0x0c: /* grp d9/4 */ |
| switch(rm) { |
| case 0: /* fchs */ |
| gen_op_fchs_ST0(); |
| break; |
| case 1: /* fabs */ |
| gen_op_fabs_ST0(); |
| break; |
| case 4: /* ftst */ |
| gen_op_fldz_FT0(); |
| gen_op_fcom_ST0_FT0(); |
| break; |
| case 5: /* fxam */ |
| gen_op_fxam_ST0(); |
| break; |
| default: |
| goto illegal_op; |
| } |
| break; |
| case 0x0d: /* grp d9/5 */ |
| { |
| switch(rm) { |
| case 0: |
| gen_op_fpush(); |
| gen_op_fld1_ST0(); |
| break; |
| case 1: |
| gen_op_fpush(); |
| gen_op_fldl2t_ST0(); |
| break; |
| case 2: |
| gen_op_fpush(); |
| gen_op_fldl2e_ST0(); |
| break; |
| case 3: |
| gen_op_fpush(); |
| gen_op_fldpi_ST0(); |
| break; |
| case 4: |
| gen_op_fpush(); |
| gen_op_fldlg2_ST0(); |
| break; |
| case 5: |
| gen_op_fpush(); |
| gen_op_fldln2_ST0(); |
| break; |
| case 6: |
| gen_op_fpush(); |
| gen_op_fldz_ST0(); |
| break; |
| default: |
| goto illegal_op; |
| } |
| } |
| break; |
| case 0x0e: /* grp d9/6 */ |
| switch(rm) { |
| case 0: /* f2xm1 */ |
| gen_op_f2xm1(); |
| break; |
| case 1: /* fyl2x */ |
| gen_op_fyl2x(); |
| break; |
| case 2: /* fptan */ |
| gen_op_fptan(); |
| break; |
| case 3: /* fpatan */ |
| gen_op_fpatan(); |
| break; |
| case 4: /* fxtract */ |
| gen_op_fxtract(); |
| break; |
| case 5: /* fprem1 */ |
| gen_op_fprem1(); |
| break; |
| case 6: /* fdecstp */ |
| gen_op_fdecstp(); |
| break; |
| default: |
| case 7: /* fincstp */ |
| gen_op_fincstp(); |
| break; |
| } |
| break; |
| case 0x0f: /* grp d9/7 */ |
| switch(rm) { |
| case 0: /* fprem */ |
| gen_op_fprem(); |
| break; |
| case 1: /* fyl2xp1 */ |
| gen_op_fyl2xp1(); |
| break; |
| case 2: /* fsqrt */ |
| gen_op_fsqrt(); |
| break; |
| case 3: /* fsincos */ |
| gen_op_fsincos(); |
| break; |
| case 5: /* fscale */ |
| gen_op_fscale(); |
| break; |
| case 4: /* frndint */ |
| gen_op_frndint(); |
| break; |
| case 6: /* fsin */ |
| gen_op_fsin(); |
| break; |
| default: |
| case 7: /* fcos */ |
| gen_op_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) { |
| gen_op_fp_arith_STN_ST0[op1](opreg); |
| if (op >= 0x30) |
| gen_op_fpop(); |
| } else { |
| gen_op_fmov_FT0_STN(opreg); |
| gen_op_fp_arith_ST0_FT0[op1](); |
| } |
| } |
| break; |
| case 0x02: /* fcom */ |
| case 0x22: /* fcom2, undocumented op */ |
| gen_op_fmov_FT0_STN(opreg); |
| gen_op_fcom_ST0_FT0(); |
| break; |
| case 0x03: /* fcomp */ |
| case 0x23: /* fcomp3, undocumented op */ |
| case 0x32: /* fcomp5, undocumented op */ |
| gen_op_fmov_FT0_STN(opreg); |
| gen_op_fcom_ST0_FT0(); |
| gen_op_fpop(); |
| break; |
| case 0x15: /* da/5 */ |
| switch(rm) { |
| case 1: /* fucompp */ |
| gen_op_fmov_FT0_STN(1); |
| gen_op_fucom_ST0_FT0(); |
| gen_op_fpop(); |
| gen_op_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 */ |
| gen_op_fclex(); |
| break; |
| case 3: /* fninit */ |
| gen_op_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); |
| gen_op_fmov_FT0_STN(opreg); |
| gen_op_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); |
| gen_op_fmov_FT0_STN(opreg); |
| gen_op_fcomi_ST0_FT0(); |
| s->cc_op = CC_OP_EFLAGS; |
| break; |
| case 0x28: /* ffree sti */ |
| gen_op_ffree_STN(opreg); |
| break; |
| case 0x2a: /* fst sti */ |
| gen_op_fmov_STN_ST0(opreg); |
| break; |
| case 0x2b: /* fstp sti */ |
| case 0x0b: /* fstp1 sti, undocumented op */ |
| case 0x3a: /* fstp8 sti, undocumented op */ |
| case 0x3b: /* fstp9 sti, undocumented op */ |
| gen_op_fmov_STN_ST0(opreg); |
| gen_op_fpop(); |
| break; |
| case 0x2c: /* fucom st(i) */ |
| gen_op_fmov_FT0_STN(opreg); |
| gen_op_fucom_ST0_FT0(); |
| break; |
| case 0x2d: /* fucomp st(i) */ |
| gen_op_fmov_FT0_STN(opreg); |
| gen_op_fucom_ST0_FT0(); |
| gen_op_fpop(); |
| break; |
| case 0x33: /* de/3 */ |
| switch(rm) { |
| case 1: /* fcompp */ |
| gen_op_fmov_FT0_STN(1); |
| gen_op_fcom_ST0_FT0(); |
| gen_op_fpop(); |
| gen_op_fpop(); |
| break; |
| default: |
| goto illegal_op; |
| } |
| break; |
| case 0x38: /* ffreep sti, undocumented op */ |
| gen_op_ffree_STN(opreg); |
| gen_op_fpop(); |
| break; |
| case 0x3c: /* df/4 */ |
| switch(rm) { |
| case 0: |
| gen_op_fnstsw_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); |
| gen_op_fmov_FT0_STN(opreg); |
| gen_op_fucomi_ST0_FT0(); |
| gen_op_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); |
| gen_op_fmov_FT0_STN(opreg); |
| gen_op_fcomi_ST0_FT0(); |
| gen_op_fpop(); |
| s->cc_op = CC_OP_EFLAGS; |
| break; |
| case 0x10 ... 0x13: /* fcmovxx */ |
| case 0x18 ... 0x1b: |
| { |
| int op1; |
| 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); |
| gen_op_fcmov_ST0_STN_T0(opreg); |
| } |
| 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_check_io(s, ot, 1, pc_start - s->cs_base); |
| gen_op_mov_TN_reg(OT_WORD, 0, R_EDX); |
| gen_op_andl_T0_ffff(); |
| if (gen_svm_check_io(s, pc_start, |
| SVM_IOIO_TYPE_MASK | (1 << (4+ot)) | |
| svm_is_rep(prefixes) | 4 | (1 << (7+s->aflag)))) |
| break; |
| 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_check_io(s, ot, 1, pc_start - s->cs_base); |
| gen_op_mov_TN_reg(OT_WORD, 0, R_EDX); |
| gen_op_andl_T0_ffff(); |
| if (gen_svm_check_io(s, pc_start, |
| (1 << (4+ot)) | svm_is_rep(prefixes) | |
| 4 | (1 << (7+s->aflag)))) |
| break; |
| 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, 0, pc_start - s->cs_base); |
| if (gen_svm_check_io(s, pc_start, |
| SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes) | |
| (1 << (4+ot)))) |
| break; |
| gen_op_in[ot](); |
| 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, 0, pc_start - s->cs_base); |
| if (gen_svm_check_io(s, pc_start, svm_is_rep(prefixes) | |
| (1 << (4+ot)))) |
| break; |
| gen_op_mov_TN_reg(ot, 1, R_EAX); |
| gen_op_out[ot](); |
| 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, 0, pc_start - s->cs_base); |
| if (gen_svm_check_io(s, pc_start, |
| SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes) | |
| (1 << (4+ot)))) |
| break; |
| gen_op_in[ot](); |
| 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, 0, pc_start - s->cs_base); |
| if (gen_svm_check_io(s, pc_start, |
| svm_is_rep(prefixes) | (1 << (4+ot)))) |
| break; |
| gen_op_mov_TN_reg(ot, 1, R_EAX); |
| gen_op_out[ot](); |
| 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); |
| gen_op_lret_protected(s->dflag, 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(offsetof(CPUX86State,segs[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 */ |
| gen_op_iret_real(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 { |
| gen_op_iret_real(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); |
| gen_op_iret_protected(s->dflag, 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 */ |
| ot = dflag + OT_WORD; |
| modrm = ldub_code(s->pc++); |
| reg = ((modrm >> 3) & 7) | rex_r; |
| mod = (modrm >> 6) & 3; |
| gen_setcc(s, b); |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_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); |
| } |
| gen_op_cmov_reg_T1_T0[ot - OT_WORD][reg](); |
| 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); |
| gen_op_movl_T0_eflags(); |
| 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) { |
| gen_op_movl_eflags_T0_cpl0(); |
| } else { |
| gen_op_movw_eflags_T0_cpl0(); |
| } |
| } else { |
| if (s->cpl <= s->iopl) { |
| if (s->dflag) { |
| gen_op_movl_eflags_T0_io(); |
| } else { |
| gen_op_movw_eflags_T0_io(); |
| } |
| } else { |
| if (s->dflag) { |
| gen_op_movl_eflags_T0(); |
| } else { |
| gen_op_movw_eflags_T0(); |
| } |
| } |
| } |
| 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)) |
| 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_op_movb_eflags_T0(); |
| s->cc_op = CC_OP_EFLAGS; |
| break; |
| case 0x9f: /* lahf */ |
| if (CODE64(s)) |
| goto illegal_op; |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_op_movl_T0_eflags(); |
| 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_op_cmc(); |
| 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_op_clc(); |
| 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_op_stc(); |
| s->cc_op = CC_OP_EFLAGS; |
| break; |
| case 0xfc: /* cld */ |
| gen_op_cld(); |
| break; |
| case 0xfd: /* std */ |
| gen_op_std(); |
| 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, ®_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; |
| gen_op_btx_T0_T1_cc[ot - OT_WORD][op](); |
| 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); |
| gen_op_update_bt_cc(); |
| } |
| break; |
| 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, ®_addr, &offset_addr); |
| /* specific case: we need to add a displacement */ |
| gen_op_add_bit_A0_T1[ot - OT_WORD](); |
| gen_op_ld_T0_A0(ot + s->mem_index); |
| } else { |
| gen_op_mov_TN_reg(ot, 0, rm); |
| } |
| gen_op_btx_T0_T1_cc[ot - OT_WORD][op](); |
| 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); |
| gen_op_update_bt_cc(); |
| } |
| break; |
| case 0x1bc: /* bsf */ |
| case 0x1bd: /* bsr */ |
| ot = dflag + OT_WORD; |
| modrm = ldub_code(s->pc++); |
| reg = ((modrm >> 3) & 7) | rex_r; |
| gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0); |
| /* NOTE: in order to handle the 0 case, we must load the |
| result. It could be optimized with a generated jump */ |
| gen_op_mov_TN_reg(ot, 1, reg); |
| gen_op_bsx_T0_cc[ot - OT_WORD][b & 1](); |
| gen_op_mov_reg_T1(ot, reg); |
| 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); |
| gen_op_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); |
| gen_op_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); |
| gen_op_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); |
| gen_op_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 { |
| gen_op_aam(val); |
| s->cc_op = CC_OP_LOGICB; |
| } |
| break; |
| case 0xd5: /* aad */ |
| if (CODE64(s)) |
| goto illegal_op; |
| val = ldub_code(s->pc++); |
| gen_op_aad(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); |
| gen_op_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); |
| gen_op_into(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) { |
| gen_op_cli(); |
| } else { |
| gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
| } |
| } else { |
| if (s->iopl == 3) { |
| gen_op_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: |
| gen_op_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)) |
| gen_op_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, ®_addr, &offset_addr); |
| gen_jmp_im(pc_start - s->cs_base); |
| if (ot == OT_WORD) |
| gen_op_boundw(); |
| else |
| gen_op_boundl(); |
| 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_op_salc(); |
| break; |
| case 0xe0: /* loopnz */ |
| case 0xe1: /* loopz */ |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| /* FALL THRU */ |
| case 0xe2: /* loop */ |
| case 0xe3: /* jecxz */ |
| { |
| int l1, l2; |
| |
| 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(); |
| b &= 3; |
| if (b == 3) { |
| gen_op_jz_ecx[s->aflag](l1); |
| } else { |
| gen_op_dec_ECX[s->aflag](); |
| if (b <= 1) |
| gen_op_mov_T0_cc(); |
| gen_op_loop[s->aflag][b](l1); |
| } |
| |
| gen_jmp_im(next_eip); |
| gen_op_jmp_label(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); |
| gen_op_rdmsr(); |
| } else { |
| retval = gen_svm_check_intercept_param(s, pc_start, SVM_EXIT_MSR, 1); |
| gen_op_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); |
| gen_op_rdtsc(); |
| break; |
| case 0x133: /* rdpmc */ |
| gen_jmp_im(pc_start - s->cs_base); |
| gen_op_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); |
| gen_op_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); |
| gen_op_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); |
| gen_op_syscall(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); |
| gen_op_sysret(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; |
| gen_op_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); |
| gen_op_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; |
| gen_op_movl_T0_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); |
| gen_op_lldt_T0(); |
| } |
| 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; |
| gen_op_movl_T0_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); |
| gen_op_ltr_T0(); |
| } |
| 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) |
| gen_op_verr(); |
| else |
| gen_op_verw(); |
| 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, ®_addr, &offset_addr); |
| gen_op_movl_T0_env(offsetof(CPUX86State, gdt.limit)); |
| gen_op_st_T0_A0(OT_WORD + s->mem_index); |
| gen_add_A0_im(s, 2); |
| gen_op_movtl_T0_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_EBX); |
| gen_op_addq_A0_AL(); |
| } else |
| #endif |
| { |
| gen_op_movl_A0_reg(R_EBX); |
| gen_op_addl_A0_AL(); |
| if (s->aflag == 0) |
| gen_op_andl_A0_ffff(); |
| } |
| gen_add_A0_ds_seg(s); |
| gen_op_monitor(); |
| 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); |
| gen_op_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, ®_addr, &offset_addr); |
| gen_op_movl_T0_env(offsetof(CPUX86State, idt.limit)); |
| gen_op_st_T0_A0(OT_WORD + s->mem_index); |
| gen_add_A0_im(s, 2); |
| gen_op_movtl_T0_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); |
| gen_op_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 */ |
| gen_op_vmmcall(); |
| break; |
| case 2: /* VMLOAD */ |
| if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_VMLOAD)) |
| break; |
| gen_op_vmload(); |
| break; |
| case 3: /* VMSAVE */ |
| if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_VMSAVE)) |
| break; |
| gen_op_vmsave(); |
| break; |
| case 4: /* STGI */ |
| if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_STGI)) |
| break; |
| gen_op_stgi(); |
| break; |
| case 5: /* CLGI */ |
| if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_CLGI)) |
| break; |
| gen_op_clgi(); |
| break; |
| case 6: /* SKINIT */ |
| if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_SKINIT)) |
| break; |
| gen_op_skinit(); |
| break; |
| case 7: /* INVLPGA */ |
| if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_INVLPGA)) |
| break; |
| gen_op_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, ®_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) { |
| gen_op_movtl_env_T0(offsetof(CPUX86State,gdt.base)); |
| gen_op_movl_env_T1(offsetof(CPUX86State,gdt.limit)); |
| } else { |
| gen_op_movtl_env_T0(offsetof(CPUX86State,idt.base)); |
| gen_op_movl_env_T1(offsetof(CPUX86State,idt.limit)); |
| } |
| } |
| break; |
| case 4: /* smsw */ |
| if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_READ_CR0)) |
| break; |
| gen_op_movl_T0_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); |
| gen_op_lmsw_T0(); |
| 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 */ |
| gen_op_movtl_T0_env(offsetof(CPUX86State,segs[R_GS].base)); |
| gen_op_movtl_T1_env(offsetof(CPUX86State,kernelgsbase)); |
| gen_op_movtl_env_T1(offsetof(CPUX86State,segs[R_GS].base)); |
| gen_op_movtl_env_T0(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, ®_addr, &offset_addr); |
| gen_op_invlpg_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) |
| gen_op_movslq_T0_T0(); |
| gen_op_mov_reg_T0(d_ot, reg); |
| } else { |
| gen_lea_modrm(s, modrm, ®_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 |
| { |
| if (!s->pe || s->vm86) |
| goto illegal_op; |
| ot = dflag ? OT_LONG : 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, ®_addr, &offset_addr); |
| gen_op_ld_T0_A0(ot + s->mem_index); |
| } else { |
| gen_op_mov_TN_reg(ot, 0, rm); |
| } |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_op_arpl(); |
| s->cc_op = CC_OP_EFLAGS; |
| if (mod != 3) { |
| gen_op_st_T0_A0(ot + s->mem_index); |
| } else { |
| gen_op_mov_reg_T0(ot, rm); |
| } |
| gen_op_arpl_update(); |
| } |
| break; |
| case 0x102: /* lar */ |
| case 0x103: /* lsl */ |
| 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, OR_TMP0, 0); |
| gen_op_mov_TN_reg(ot, 1, reg); |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| if (b == 0x102) |
| gen_op_lar(); |
| else |
| gen_op_lsl(); |
| s->cc_op = CC_OP_EFLAGS; |
| gen_op_mov_reg_T1(ot, reg); |
| 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, ®_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); |
| gen_op_movl_crN_T0(reg); |
| 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) |
| gen_op_movtl_T0_cr8(); |
| else |
| #endif |
| gen_op_movtl_T0_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); |
| gen_op_movl_drN_T0(reg); |
| gen_jmp_im(s->pc - s->cs_base); |
| gen_eob(s); |
| } else { |
| gen_svm_check_intercept(s, pc_start, SVM_EXIT_READ_DR0 + reg); |
| gen_op_movtl_T0_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); |
| gen_op_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, ®_addr, &offset_addr); |
| gen_op_fxsave_A0((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, ®_addr, &offset_addr); |
| gen_op_fxrstor_A0((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, ®_addr, &offset_addr); |
| if (op == 2) { |
| gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
| gen_op_movl_env_T0(offsetof(CPUX86State, mxcsr)); |
| } else { |
| gen_op_movl_T0_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, ®_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, ®_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); |
| gen_op_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) |
| gen_op_unlock(); |
| return s->pc; |
| illegal_op: |
| if (s->prefix & PREFIX_LOCK) |
| gen_op_unlock(); |
| /* XXX: ensure that no lock was generated */ |
| gen_exception(s, EXCP06_ILLOP, pc_start - s->cs_base); |
| return s->pc; |
| } |
| |
| #define CC_OSZAPC (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C) |
| #define CC_OSZAP (CC_O | CC_S | CC_Z | CC_A | CC_P) |
| |
| /* flags read by an operation */ |
| static uint16_t opc_read_flags[NB_OPS] = { |
| [INDEX_op_aas] = CC_A, |
| [INDEX_op_aaa] = CC_A, |
| [INDEX_op_das] = CC_A | CC_C, |
| [INDEX_op_daa] = CC_A | CC_C, |
| |
| /* subtle: due to the incl/decl implementation, C is used */ |
| [INDEX_op_update_inc_cc] = CC_C, |
| |
| [INDEX_op_into] = CC_O, |
| |
| [INDEX_op_jb_subb] = CC_C, |
| [INDEX_op_jb_subw] = CC_C, |
| [INDEX_op_jb_subl] = CC_C, |
| |
| [INDEX_op_jz_subb] = CC_Z, |
| [INDEX_op_jz_subw] = CC_Z, |
| [INDEX_op_jz_subl] = CC_Z, |
| |
| [INDEX_op_jbe_subb] = CC_Z | CC_C, |
| [INDEX_op_jbe_subw] = CC_Z | CC_C, |
| [INDEX_op_jbe_subl] = CC_Z | CC_C, |
| |
| [INDEX_op_js_subb] = CC_S, |
| [INDEX_op_js_subw] = CC_S, |
| [INDEX_op_js_subl] = CC_S, |
| |
| [INDEX_op_jl_subb] = CC_O | CC_S, |
| [INDEX_op_jl_subw] = CC_O | CC_S, |
| [INDEX_op_jl_subl] = CC_O | CC_S, |
| |
| [INDEX_op_jle_subb] = CC_O | CC_S | CC_Z, |
| [INDEX_op_jle_subw] = CC_O | CC_S | CC_Z, |
| [INDEX_op_jle_subl] = CC_O | CC_S | CC_Z, |
| |
| [INDEX_op_loopnzw] = CC_Z, |
| [INDEX_op_loopnzl] = CC_Z, |
| [INDEX_op_loopzw] = CC_Z, |
| [INDEX_op_loopzl] = CC_Z, |
| |
| [INDEX_op_seto_T0_cc] = CC_O, |
| [INDEX_op_setb_T0_cc] = CC_C, |
| [INDEX_op_setz_T0_cc] = CC_Z, |
| [INDEX_op_setbe_T0_cc] = CC_Z | CC_C, |
| [INDEX_op_sets_T0_cc] = CC_S, |
| [INDEX_op_setp_T0_cc] = CC_P, |
| [INDEX_op_setl_T0_cc] = CC_O | CC_S, |
| [INDEX_op_setle_T0_cc] = CC_O | CC_S | CC_Z, |
| |
| [INDEX_op_setb_T0_subb] = CC_C, |
| [INDEX_op_setb_T0_subw] = CC_C, |
| [INDEX_op_setb_T0_subl] = CC_C, |
| |
| [INDEX_op_setz_T0_subb] = CC_Z, |
| [INDEX_op_setz_T0_subw] = CC_Z, |
| [INDEX_op_setz_T0_subl] = CC_Z, |
| |
| [INDEX_op_setbe_T0_subb] = CC_Z | CC_C, |
| [INDEX_op_setbe_T0_subw] = CC_Z | CC_C, |
| [INDEX_op_setbe_T0_subl] = CC_Z | CC_C, |
| |
| [INDEX_op_sets_T0_subb] = CC_S, |
| [INDEX_op_sets_T0_subw] = CC_S, |
| [INDEX_op_sets_T0_subl] = CC_S, |
| |
| [INDEX_op_setl_T0_subb] = CC_O | CC_S, |
| [INDEX_op_setl_T0_subw] = CC_O | CC_S, |
| [INDEX_op_setl_T0_subl] = CC_O | CC_S, |
| |
| [INDEX_op_setle_T0_subb] = CC_O | CC_S | CC_Z, |
| [INDEX_op_setle_T0_subw] = CC_O | CC_S | CC_Z, |
| [INDEX_op_setle_T0_subl] = CC_O | CC_S | CC_Z, |
| |
| [INDEX_op_movl_T0_eflags] = CC_OSZAPC, |
| [INDEX_op_cmc] = CC_C, |
| [INDEX_op_salc] = CC_C, |
| |
| /* needed for correct flag optimisation before string ops */ |
| [INDEX_op_jnz_ecxw] = CC_OSZAPC, |
| [INDEX_op_jnz_ecxl] = CC_OSZAPC, |
| [INDEX_op_jz_ecxw] = CC_OSZAPC, |
| [INDEX_op_jz_ecxl] = CC_OSZAPC, |
| |
| #ifdef TARGET_X86_64 |
| [INDEX_op_jb_subq] = CC_C, |
| [INDEX_op_jz_subq] = CC_Z, |
| [INDEX_op_jbe_subq] = CC_Z | CC_C, |
| [INDEX_op_js_subq] = CC_S, |
| [INDEX_op_jl_subq] = CC_O | CC_S, |
| [INDEX_op_jle_subq] = CC_O | CC_S | CC_Z, |
| |
| [INDEX_op_loopnzq] = CC_Z, |
| [INDEX_op_loopzq] = CC_Z, |
| |
| [INDEX_op_setb_T0_subq] = CC_C, |
| [INDEX_op_setz_T0_subq] = CC_Z, |
| [INDEX_op_setbe_T0_subq] = CC_Z | CC_C, |
| [INDEX_op_sets_T0_subq] = CC_S, |
| [INDEX_op_setl_T0_subq] = CC_O | CC_S, |
| [INDEX_op_setle_T0_subq] = CC_O | CC_S | CC_Z, |
| |
| [INDEX_op_jnz_ecxq] = CC_OSZAPC, |
| [INDEX_op_jz_ecxq] = CC_OSZAPC, |
| #endif |
| |
| #define DEF_READF(SUFFIX)\ |
| [INDEX_op_adcb ## SUFFIX ## _T0_T1_cc] = CC_C,\ |
| [INDEX_op_adcw ## SUFFIX ## _T0_T1_cc] = CC_C,\ |
| [INDEX_op_adcl ## SUFFIX ## _T0_T1_cc] = CC_C,\ |
| X86_64_DEF([INDEX_op_adcq ## SUFFIX ## _T0_T1_cc] = CC_C,)\ |
| [INDEX_op_sbbb ## SUFFIX ## _T0_T1_cc] = CC_C,\ |
| [INDEX_op_sbbw ## SUFFIX ## _T0_T1_cc] = CC_C,\ |
| [INDEX_op_sbbl ## SUFFIX ## _T0_T1_cc] = CC_C,\ |
| X86_64_DEF([INDEX_op_sbbq ## SUFFIX ## _T0_T1_cc] = CC_C,)\ |
| \ |
| [INDEX_op_rclb ## SUFFIX ## _T0_T1_cc] = CC_C,\ |
| [INDEX_op_rclw ## SUFFIX ## _T0_T1_cc] = CC_C,\ |
| [INDEX_op_rcll ## SUFFIX ## _T0_T1_cc] = CC_C,\ |
| X86_64_DEF([INDEX_op_rclq ## SUFFIX ## _T0_T1_cc] = CC_C,)\ |
| [INDEX_op_rcrb ## SUFFIX ## _T0_T1_cc] = CC_C,\ |
| [INDEX_op_rcrw ## SUFFIX ## _T0_T1_cc] = CC_C,\ |
| [INDEX_op_rcrl ## SUFFIX ## _T0_T1_cc] = CC_C,\ |
| X86_64_DEF([INDEX_op_rcrq ## SUFFIX ## _T0_T1_cc] = CC_C,) |
| |
| DEF_READF( ) |
| DEF_READF(_raw) |
| #ifndef CONFIG_USER_ONLY |
| DEF_READF(_kernel) |
| DEF_READF(_user) |
| #endif |
| }; |
| |
| /* flags written by an operation */ |
| static uint16_t opc_write_flags[NB_OPS] = { |
| [INDEX_op_update2_cc] = CC_OSZAPC, |
| [INDEX_op_update1_cc] = CC_OSZAPC, |
| [INDEX_op_cmpl_T0_T1_cc] = CC_OSZAPC, |
| [INDEX_op_update_neg_cc] = CC_OSZAPC, |
| /* subtle: due to the incl/decl implementation, C is used */ |
| [INDEX_op_update_inc_cc] = CC_OSZAPC, |
| [INDEX_op_testl_T0_T1_cc] = CC_OSZAPC, |
| |
| [INDEX_op_mulb_AL_T0] = CC_OSZAPC, |
| [INDEX_op_mulw_AX_T0] = CC_OSZAPC, |
| [INDEX_op_mull_EAX_T0] = CC_OSZAPC, |
| X86_64_DEF([INDEX_op_mulq_EAX_T0] = CC_OSZAPC,) |
| [INDEX_op_imulb_AL_T0] = CC_OSZAPC, |
| [INDEX_op_imulw_AX_T0] = CC_OSZAPC, |
| [INDEX_op_imull_EAX_T0] = CC_OSZAPC, |
| X86_64_DEF([INDEX_op_imulq_EAX_T0] = CC_OSZAPC,) |
| [INDEX_op_imulw_T0_T1] = CC_OSZAPC, |
| [INDEX_op_imull_T0_T1] = CC_OSZAPC, |
| X86_64_DEF([INDEX_op_imulq_T0_T1] = CC_OSZAPC,) |
| |
| /* sse */ |
| [INDEX_op_ucomiss] = CC_OSZAPC, |
| [INDEX_op_ucomisd] = CC_OSZAPC, |
| [INDEX_op_comiss] = CC_OSZAPC, |
| [INDEX_op_comisd] = CC_OSZAPC, |
| |
| /* bcd */ |
| [INDEX_op_aam] = CC_OSZAPC, |
| [INDEX_op_aad] = CC_OSZAPC, |
| [INDEX_op_aas] = CC_OSZAPC, |
| [INDEX_op_aaa] = CC_OSZAPC, |
| [INDEX_op_das] = CC_OSZAPC, |
| [INDEX_op_daa] = CC_OSZAPC, |
| |
| [INDEX_op_movb_eflags_T0] = CC_S | CC_Z | CC_A | CC_P | CC_C, |
| [INDEX_op_movw_eflags_T0] = CC_OSZAPC, |
| [INDEX_op_movl_eflags_T0] = CC_OSZAPC, |
| [INDEX_op_movw_eflags_T0_io] = CC_OSZAPC, |
| [INDEX_op_movl_eflags_T0_io] = CC_OSZAPC, |
| [INDEX_op_movw_eflags_T0_cpl0] = CC_OSZAPC, |
| [INDEX_op_movl_eflags_T0_cpl0] = CC_OSZAPC, |
| [INDEX_op_clc] = CC_C, |
| [INDEX_op_stc] = CC_C, |
| [INDEX_op_cmc] = CC_C, |
| |
| [INDEX_op_btw_T0_T1_cc] = CC_OSZAPC, |
| [INDEX_op_btl_T0_T1_cc] = CC_OSZAPC, |
| X86_64_DEF([INDEX_op_btq_T0_T1_cc] = CC_OSZAPC,) |
| [INDEX_op_btsw_T0_T1_cc] = CC_OSZAPC, |
| [INDEX_op_btsl_T0_T1_cc] = CC_OSZAPC, |
| X86_64_DEF([INDEX_op_btsq_T0_T1_cc] = CC_OSZAPC,) |
| [INDEX_op_btrw_T0_T1_cc] = CC_OSZAPC, |
| [INDEX_op_btrl_T0_T1_cc] = CC_OSZAPC, |
| X86_64_DEF([INDEX_op_btrq_T0_T1_cc] = CC_OSZAPC,) |
| [INDEX_op_btcw_T0_T1_cc] = CC_OSZAPC, |
| [INDEX_op_btcl_T0_T1_cc] = CC_OSZAPC, |
| X86_64_DEF([INDEX_op_btcq_T0_T1_cc] = CC_OSZAPC,) |
| |
| [INDEX_op_bsfw_T0_cc] = CC_OSZAPC, |
| [INDEX_op_bsfl_T0_cc] = CC_OSZAPC, |
| X86_64_DEF([INDEX_op_bsfq_T0_cc] = CC_OSZAPC,) |
| [INDEX_op_bsrw_T0_cc] = CC_OSZAPC, |
| [INDEX_op_bsrl_T0_cc] = CC_OSZAPC, |
| X86_64_DEF([INDEX_op_bsrq_T0_cc] = CC_OSZAPC,) |
| |
| [INDEX_op_cmpxchgb_T0_T1_EAX_cc] = CC_OSZAPC, |
| [INDEX_op_cmpxchgw_T0_T1_EAX_cc] = CC_OSZAPC, |
| [INDEX_op_cmpxchgl_T0_T1_EAX_cc] = CC_OSZAPC, |
| X86_64_DEF([INDEX_op_cmpxchgq_T0_T1_EAX_cc] = CC_OSZAPC,) |
| |
| [INDEX_op_cmpxchg8b] = CC_Z, |
| [INDEX_op_lar] = CC_Z, |
| [INDEX_op_lsl] = CC_Z, |
| [INDEX_op_verr] = CC_Z, |
| [INDEX_op_verw] = CC_Z, |
| [INDEX_op_fcomi_ST0_FT0] = CC_Z | CC_P | CC_C, |
| [INDEX_op_fucomi_ST0_FT0] = CC_Z | CC_P | CC_C, |
| |
| #define DEF_WRITEF(SUFFIX)\ |
| [INDEX_op_adcb ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ |
| [INDEX_op_adcw ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ |
| [INDEX_op_adcl ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ |
| X86_64_DEF([INDEX_op_adcq ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,)\ |
| [INDEX_op_sbbb ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ |
| [INDEX_op_sbbw ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ |
| [INDEX_op_sbbl ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ |
| X86_64_DEF([INDEX_op_sbbq ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,)\ |
| \ |
| [INDEX_op_rolb ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ |
| [INDEX_op_rolw ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ |
| [INDEX_op_roll ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ |
| X86_64_DEF([INDEX_op_rolq ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,)\ |
| [INDEX_op_rorb ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ |
| [INDEX_op_rorw ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ |
| [INDEX_op_rorl ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ |
| X86_64_DEF([INDEX_op_rorq ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,)\ |
| \ |
| [INDEX_op_rclb ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ |
| [INDEX_op_rclw ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ |
| [INDEX_op_rcll ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ |
| X86_64_DEF([INDEX_op_rclq ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,)\ |
| [INDEX_op_rcrb ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ |
| [INDEX_op_rcrw ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ |
| [INDEX_op_rcrl ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ |
| X86_64_DEF([INDEX_op_rcrq ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,)\ |
| \ |
| [INDEX_op_shlb ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ |
| [INDEX_op_shlw ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ |
| [INDEX_op_shll ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ |
| X86_64_DEF([INDEX_op_shlq ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,)\ |
| \ |
| [INDEX_op_shrb ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ |
| [INDEX_op_shrw ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ |
| [INDEX_op_shrl ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ |
| X86_64_DEF([INDEX_op_shrq ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,)\ |
| \ |
| [INDEX_op_sarb ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ |
| [INDEX_op_sarw ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ |
| [INDEX_op_sarl ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ |
| X86_64_DEF([INDEX_op_sarq ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,)\ |
| \ |
| [INDEX_op_shldw ## SUFFIX ## _T0_T1_ECX_cc] = CC_OSZAPC,\ |
| [INDEX_op_shldl ## SUFFIX ## _T0_T1_ECX_cc] = CC_OSZAPC,\ |
| X86_64_DEF([INDEX_op_shldq ## SUFFIX ## _T0_T1_ECX_cc] = CC_OSZAPC,)\ |
| [INDEX_op_shldw ## SUFFIX ## _T0_T1_im_cc] = CC_OSZAPC,\ |
| [INDEX_op_shldl ## SUFFIX ## _T0_T1_im_cc] = CC_OSZAPC,\ |
| X86_64_DEF([INDEX_op_shldq ## SUFFIX ## _T0_T1_im_cc] = CC_OSZAPC,)\ |
| \ |
| [INDEX_op_shrdw ## SUFFIX ## _T0_T1_ECX_cc] = CC_OSZAPC,\ |
| [INDEX_op_shrdl ## SUFFIX ## _T0_T1_ECX_cc] = CC_OSZAPC,\ |
| X86_64_DEF([INDEX_op_shrdq ## SUFFIX ## _T0_T1_ECX_cc] = CC_OSZAPC,)\ |
| [INDEX_op_shrdw ## SUFFIX ## _T0_T1_im_cc] = CC_OSZAPC,\ |
| [INDEX_op_shrdl ## SUFFIX ## _T0_T1_im_cc] = CC_OSZAPC,\ |
| X86_64_DEF([INDEX_op_shrdq ## SUFFIX ## _T0_T1_im_cc] = CC_OSZAPC,)\ |
| \ |
| [INDEX_op_cmpxchgb ## SUFFIX ## _T0_T1_EAX_cc] = CC_OSZAPC,\ |
| [INDEX_op_cmpxchgw ## SUFFIX ## _T0_T1_EAX_cc] = CC_OSZAPC,\ |
| [INDEX_op_cmpxchgl ## SUFFIX ## _T0_T1_EAX_cc] = CC_OSZAPC,\ |
| X86_64_DEF([INDEX_op_cmpxchgq ## SUFFIX ## _T0_T1_EAX_cc] = CC_OSZAPC,) |
| |
| |
| DEF_WRITEF( ) |
| DEF_WRITEF(_raw) |
| #ifndef CONFIG_USER_ONLY |
| DEF_WRITEF(_kernel) |
| DEF_WRITEF(_user) |
| #endif |
| }; |
| |
| /* simpler form of an operation if no flags need to be generated */ |
| static uint16_t opc_simpler[NB_OPS] = { |
| [INDEX_op_update2_cc] = INDEX_op_nop, |
| [INDEX_op_update1_cc] = INDEX_op_nop, |
| [INDEX_op_update_neg_cc] = INDEX_op_nop, |
| #if 0 |
| /* broken: CC_OP logic must be rewritten */ |
| [INDEX_op_update_inc_cc] = INDEX_op_nop, |
| #endif |
| |
| [INDEX_op_shlb_T0_T1_cc] = INDEX_op_shlb_T0_T1, |
| [INDEX_op_shlw_T0_T1_cc] = INDEX_op_shlw_T0_T1, |
| [INDEX_op_shll_T0_T1_cc] = INDEX_op_shll_T0_T1, |
| X86_64_DEF([INDEX_op_shlq_T0_T1_cc] = INDEX_op_shlq_T0_T1,) |
| |
| [INDEX_op_shrb_T0_T1_cc] = INDEX_op_shrb_T0_T1, |
| [INDEX_op_shrw_T0_T1_cc] = INDEX_op_shrw_T0_T1, |
| [INDEX_op_shrl_T0_T1_cc] = INDEX_op_shrl_T0_T1, |
| X86_64_DEF([INDEX_op_shrq_T0_T1_cc] = INDEX_op_shrq_T0_T1,) |
| |
| [INDEX_op_sarb_T0_T1_cc] = INDEX_op_sarb_T0_T1, |
| [INDEX_op_sarw_T0_T1_cc] = INDEX_op_sarw_T0_T1, |
| [INDEX_op_sarl_T0_T1_cc] = INDEX_op_sarl_T0_T1, |
| X86_64_DEF([INDEX_op_sarq_T0_T1_cc] = INDEX_op_sarq_T0_T1,) |
| |
| #define DEF_SIMPLER(SUFFIX)\ |
| [INDEX_op_rolb ## SUFFIX ## _T0_T1_cc] = INDEX_op_rolb ## SUFFIX ## _T0_T1,\ |
| [INDEX_op_rolw ## SUFFIX ## _T0_T1_cc] = INDEX_op_rolw ## SUFFIX ## _T0_T1,\ |
| [INDEX_op_roll ## SUFFIX ## _T0_T1_cc] = INDEX_op_roll ## SUFFIX ## _T0_T1,\ |
| X86_64_DEF([INDEX_op_rolq ## SUFFIX ## _T0_T1_cc] = INDEX_op_rolq ## SUFFIX ## _T0_T1,)\ |
| \ |
| [INDEX_op_rorb ## SUFFIX ## _T0_T1_cc] = INDEX_op_rorb ## SUFFIX ## _T0_T1,\ |
| [INDEX_op_rorw ## SUFFIX ## _T0_T1_cc] = INDEX_op_rorw ## SUFFIX ## _T0_T1,\ |
| [INDEX_op_rorl ## SUFFIX ## _T0_T1_cc] = INDEX_op_rorl ## SUFFIX ## _T0_T1,\ |
| X86_64_DEF([INDEX_op_rorq ## SUFFIX ## _T0_T1_cc] = INDEX_op_rorq ## SUFFIX ## _T0_T1,) |
| |
| DEF_SIMPLER( ) |
| DEF_SIMPLER(_raw) |
| #ifndef CONFIG_USER_ONLY |
| DEF_SIMPLER(_kernel) |
| DEF_SIMPLER(_user) |
| #endif |
| }; |
| |
| 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) |
| { |
| int i; |
| /* put default values in arrays */ |
| for(i = 0; i < NB_OPS; i++) { |
| if (opc_simpler[i] == 0) |
| opc_simpler[i] = i; |
| } |
| |
| 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 |
| /* the helpers are only registered to print debug info */ |
| TCG_HELPER(helper_divl_EAX_T0); |
| TCG_HELPER(helper_idivl_EAX_T0); |
| } |
| |
| /* CPU flags computation optimization: we move backward thru the |
| generated code to see which flags are needed. The operation is |
| modified if suitable */ |
| static void optimize_flags(uint16_t *opc_buf, int opc_buf_len) |
| { |
| uint16_t *opc_ptr; |
| int live_flags, write_flags, op; |
| |
| opc_ptr = opc_buf + opc_buf_len; |
| /* live_flags contains the flags needed by the next instructions |
| in the code. At the end of the block, we consider that all the |
| flags are live. */ |
| live_flags = CC_OSZAPC; |
| while (opc_ptr > opc_buf) { |
| op = *--opc_ptr; |
| /* if none of the flags written by the instruction is used, |
| then we can try to find a simpler instruction */ |
| write_flags = opc_write_flags[op]; |
| if ((live_flags & write_flags) == 0) { |
| *opc_ptr = opc_simpler[op]; |
| } |
| /* compute the live flags before the instruction */ |
| live_flags &= ~write_flags; |
| live_flags |= opc_read_flags[op]; |
| } |
| } |
| |
| /* 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; |
| #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); |
| |
| 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"); |
| if (loglevel & CPU_LOG_TB_OP_OPT) { |
| fprintf(logfile, "OP before opt:\n"); |
| tcg_dump_ops(&tcg_ctx, logfile); |
| fprintf(logfile, "\n"); |
| } |
| } |
| #endif |
| |
| /* optimize flag computations */ |
| optimize_flags(gen_opc_buf, gen_opc_ptr - gen_opc_buf); |
| |
| 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); |
| } |
| |