| /* |
| * 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_A0, cpu_cc_op, cpu_cc_src, cpu_cc_dst, cpu_cc_tmp; |
| /* local temps */ |
| static TCGv cpu_T[2], cpu_T3; |
| /* local register indexes (only used inside old micro ops) */ |
| static TCGv cpu_tmp0, cpu_tmp1_i64, cpu_tmp2_i32, cpu_tmp3_i32, cpu_tmp4, cpu_ptr0, cpu_ptr1; |
| static TCGv cpu_tmp5, cpu_tmp6; |
| |
| #include "gen-icount.h" |
| |
| #ifdef TARGET_X86_64 |
| static int x86_64_hregs; |
| #endif |
| |
| typedef struct DisasContext { |
| /* current insn context */ |
| int override; /* -1 if no override */ |
| int prefix; |
| int aflag, dflag; |
| target_ulong pc; /* pc = eip + cs_base */ |
| int is_jmp; /* 1 = means jump (stop translation), 2 means CPU |
| static state change (stop translation) */ |
| /* current block context */ |
| target_ulong cs_base; /* base of CS segment */ |
| int pe; /* protected mode */ |
| int code32; /* 32 bit code segment */ |
| #ifdef TARGET_X86_64 |
| int lma; /* long mode active */ |
| int code64; /* 64 bit code segment */ |
| int rex_x, rex_b; |
| #endif |
| int ss32; /* 32 bit stack segment */ |
| int cc_op; /* current CC operation */ |
| int addseg; /* non zero if either DS/ES/SS have a non zero base */ |
| int f_st; /* currently unused */ |
| int vm86; /* vm86 mode */ |
| int cpl; |
| int iopl; |
| int tf; /* TF cpu flag */ |
| int singlestep_enabled; /* "hardware" single step enabled */ |
| int jmp_opt; /* use direct block chaining for direct jumps */ |
| int mem_index; /* select memory access functions */ |
| uint64_t flags; /* all execution flags */ |
| struct TranslationBlock *tb; |
| int popl_esp_hack; /* for correct popl with esp base handling */ |
| int rip_offset; /* only used in x86_64, but left for simplicity */ |
| int cpuid_features; |
| int cpuid_ext_features; |
| int cpuid_ext2_features; |
| int cpuid_ext3_features; |
| } DisasContext; |
| |
| static void gen_eob(DisasContext *s); |
| static void gen_jmp(DisasContext *s, target_ulong eip); |
| static void gen_jmp_tb(DisasContext *s, target_ulong eip, int tb_num); |
| |
| /* i386 arith/logic operations */ |
| enum { |
| OP_ADDL, |
| OP_ORL, |
| OP_ADCL, |
| OP_SBBL, |
| OP_ANDL, |
| OP_SUBL, |
| OP_XORL, |
| OP_CMPL, |
| }; |
| |
| /* i386 shift ops */ |
| enum { |
| OP_ROL, |
| OP_ROR, |
| OP_RCL, |
| OP_RCR, |
| OP_SHL, |
| OP_SHR, |
| OP_SHL1, /* undocumented */ |
| OP_SAR = 7, |
| }; |
| |
| enum { |
| JCC_O, |
| JCC_B, |
| JCC_Z, |
| JCC_BE, |
| JCC_S, |
| JCC_P, |
| JCC_L, |
| JCC_LE, |
| }; |
| |
| /* operand size */ |
| enum { |
| OT_BYTE = 0, |
| OT_WORD, |
| OT_LONG, |
| OT_QUAD, |
| }; |
| |
| enum { |
| /* I386 int registers */ |
| OR_EAX, /* MUST be even numbered */ |
| OR_ECX, |
| OR_EDX, |
| OR_EBX, |
| OR_ESP, |
| OR_EBP, |
| OR_ESI, |
| OR_EDI, |
| |
| OR_TMP0 = 16, /* temporary operand register */ |
| OR_TMP1, |
| OR_A0, /* temporary register used when doing address evaluation */ |
| }; |
| |
| static inline void gen_op_movl_T0_0(void) |
| { |
| tcg_gen_movi_tl(cpu_T[0], 0); |
| } |
| |
| static inline void gen_op_movl_T0_im(int32_t val) |
| { |
| tcg_gen_movi_tl(cpu_T[0], val); |
| } |
| |
| static inline void gen_op_movl_T0_imu(uint32_t val) |
| { |
| tcg_gen_movi_tl(cpu_T[0], val); |
| } |
| |
| static inline void gen_op_movl_T1_im(int32_t val) |
| { |
| tcg_gen_movi_tl(cpu_T[1], val); |
| } |
| |
| static inline void gen_op_movl_T1_imu(uint32_t val) |
| { |
| tcg_gen_movi_tl(cpu_T[1], val); |
| } |
| |
| static inline void gen_op_movl_A0_im(uint32_t val) |
| { |
| tcg_gen_movi_tl(cpu_A0, val); |
| } |
| |
| #ifdef TARGET_X86_64 |
| static inline void gen_op_movq_A0_im(int64_t val) |
| { |
| tcg_gen_movi_tl(cpu_A0, val); |
| } |
| #endif |
| |
| static inline void gen_movtl_T0_im(target_ulong val) |
| { |
| tcg_gen_movi_tl(cpu_T[0], val); |
| } |
| |
| static inline void gen_movtl_T1_im(target_ulong val) |
| { |
| tcg_gen_movi_tl(cpu_T[1], val); |
| } |
| |
| static inline void gen_op_andl_T0_ffff(void) |
| { |
| tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xffff); |
| } |
| |
| static inline void gen_op_andl_T0_im(uint32_t val) |
| { |
| tcg_gen_andi_tl(cpu_T[0], cpu_T[0], val); |
| } |
| |
| static inline void gen_op_movl_T0_T1(void) |
| { |
| tcg_gen_mov_tl(cpu_T[0], cpu_T[1]); |
| } |
| |
| static inline void gen_op_andl_A0_ffff(void) |
| { |
| tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffff); |
| } |
| |
| #ifdef TARGET_X86_64 |
| |
| #define NB_OP_SIZES 4 |
| |
| #else /* !TARGET_X86_64 */ |
| |
| #define NB_OP_SIZES 3 |
| |
| #endif /* !TARGET_X86_64 */ |
| |
| #if defined(WORDS_BIGENDIAN) |
| #define REG_B_OFFSET (sizeof(target_ulong) - 1) |
| #define REG_H_OFFSET (sizeof(target_ulong) - 2) |
| #define REG_W_OFFSET (sizeof(target_ulong) - 2) |
| #define REG_L_OFFSET (sizeof(target_ulong) - 4) |
| #define REG_LH_OFFSET (sizeof(target_ulong) - 8) |
| #else |
| #define REG_B_OFFSET 0 |
| #define REG_H_OFFSET 1 |
| #define REG_W_OFFSET 0 |
| #define REG_L_OFFSET 0 |
| #define REG_LH_OFFSET 4 |
| #endif |
| |
| static inline void gen_op_mov_reg_v(int ot, int reg, TCGv t0) |
| { |
| switch(ot) { |
| case OT_BYTE: |
| if (reg < 4 X86_64_DEF( || reg >= 8 || x86_64_hregs)) { |
| tcg_gen_st8_tl(t0, cpu_env, offsetof(CPUState, regs[reg]) + REG_B_OFFSET); |
| } else { |
| tcg_gen_st8_tl(t0, cpu_env, offsetof(CPUState, regs[reg - 4]) + REG_H_OFFSET); |
| } |
| break; |
| case OT_WORD: |
| tcg_gen_st16_tl(t0, cpu_env, offsetof(CPUState, regs[reg]) + REG_W_OFFSET); |
| break; |
| #ifdef TARGET_X86_64 |
| case OT_LONG: |
| tcg_gen_st32_tl(t0, 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(t0, cpu_env, offsetof(CPUState, regs[reg])); |
| break; |
| #else |
| default: |
| case OT_LONG: |
| tcg_gen_st32_tl(t0, 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_v(ot, reg, cpu_T[0]); |
| } |
| |
| static inline void gen_op_mov_reg_T1(int ot, int reg) |
| { |
| gen_op_mov_reg_v(ot, reg, cpu_T[1]); |
| } |
| |
| 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_v_reg(int ot, TCGv t0, 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(t0, cpu_env, offsetof(CPUState, regs[reg - 4]) + REG_H_OFFSET); |
| } |
| break; |
| default: |
| std_case: |
| tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, regs[reg])); |
| break; |
| } |
| } |
| |
| static inline void gen_op_mov_TN_reg(int ot, int t_index, int reg) |
| { |
| gen_op_mov_v_reg(ot, cpu_T[t_index], reg); |
| } |
| |
| static inline void gen_op_movl_A0_reg(int reg) |
| { |
| tcg_gen_ld32u_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg]) + REG_L_OFFSET); |
| } |
| |
| static inline void gen_op_addl_A0_im(int32_t val) |
| { |
| tcg_gen_addi_tl(cpu_A0, cpu_A0, val); |
| #ifdef TARGET_X86_64 |
| tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffffffff); |
| #endif |
| } |
| |
| #ifdef TARGET_X86_64 |
| static inline void gen_op_addq_A0_im(int64_t val) |
| { |
| tcg_gen_addi_tl(cpu_A0, cpu_A0, val); |
| } |
| #endif |
| |
| static void gen_add_A0_im(DisasContext *s, int val) |
| { |
| #ifdef TARGET_X86_64 |
| if (CODE64(s)) |
| gen_op_addq_A0_im(val); |
| else |
| #endif |
| gen_op_addl_A0_im(val); |
| } |
| |
| static inline void gen_op_addl_T0_T1(void) |
| { |
| tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| } |
| |
| static inline void gen_op_jmp_T0(void) |
| { |
| tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUState, eip)); |
| } |
| |
| static inline void gen_op_add_reg_im(int size, int reg, int32_t val) |
| { |
| switch(size) { |
| case 0: |
| tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
| tcg_gen_addi_tl(cpu_tmp0, cpu_tmp0, val); |
| tcg_gen_st16_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]) + REG_W_OFFSET); |
| break; |
| case 1: |
| tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
| tcg_gen_addi_tl(cpu_tmp0, cpu_tmp0, val); |
| #ifdef TARGET_X86_64 |
| tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, 0xffffffff); |
| #endif |
| tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
| break; |
| #ifdef TARGET_X86_64 |
| case 2: |
| tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
| tcg_gen_addi_tl(cpu_tmp0, cpu_tmp0, val); |
| tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
| break; |
| #endif |
| } |
| } |
| |
| static inline void gen_op_add_reg_T0(int size, int reg) |
| { |
| switch(size) { |
| case 0: |
| tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
| tcg_gen_add_tl(cpu_tmp0, cpu_tmp0, cpu_T[0]); |
| tcg_gen_st16_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]) + REG_W_OFFSET); |
| break; |
| case 1: |
| tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
| tcg_gen_add_tl(cpu_tmp0, cpu_tmp0, cpu_T[0]); |
| #ifdef TARGET_X86_64 |
| tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, 0xffffffff); |
| #endif |
| tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
| break; |
| #ifdef TARGET_X86_64 |
| case 2: |
| tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
| tcg_gen_add_tl(cpu_tmp0, cpu_tmp0, cpu_T[0]); |
| tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
| break; |
| #endif |
| } |
| } |
| |
| static inline void gen_op_set_cc_op(int32_t val) |
| { |
| tcg_gen_movi_i32(cpu_cc_op, val); |
| } |
| |
| static inline void gen_op_addl_A0_reg_sN(int shift, int reg) |
| { |
| tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
| if (shift != 0) |
| tcg_gen_shli_tl(cpu_tmp0, cpu_tmp0, shift); |
| tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0); |
| #ifdef TARGET_X86_64 |
| tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffffffff); |
| #endif |
| } |
| |
| static inline void gen_op_movl_A0_seg(int reg) |
| { |
| tcg_gen_ld32u_tl(cpu_A0, cpu_env, offsetof(CPUState, segs[reg].base) + REG_L_OFFSET); |
| } |
| |
| static inline void gen_op_addl_A0_seg(int reg) |
| { |
| tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, segs[reg].base)); |
| tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0); |
| #ifdef TARGET_X86_64 |
| tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffffffff); |
| #endif |
| } |
| |
| #ifdef TARGET_X86_64 |
| static inline void gen_op_movq_A0_seg(int reg) |
| { |
| tcg_gen_ld_tl(cpu_A0, cpu_env, offsetof(CPUState, segs[reg].base)); |
| } |
| |
| static inline void gen_op_addq_A0_seg(int reg) |
| { |
| tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, segs[reg].base)); |
| tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0); |
| } |
| |
| static inline void gen_op_movq_A0_reg(int reg) |
| { |
| tcg_gen_ld_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg])); |
| } |
| |
| static inline void gen_op_addq_A0_reg_sN(int shift, int reg) |
| { |
| tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
| if (shift != 0) |
| tcg_gen_shli_tl(cpu_tmp0, cpu_tmp0, shift); |
| tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0); |
| } |
| #endif |
| |
| static inline void gen_op_lds_T0_A0(int idx) |
| { |
| int mem_index = (idx >> 2) - 1; |
| switch(idx & 3) { |
| case 0: |
| tcg_gen_qemu_ld8s(cpu_T[0], cpu_A0, mem_index); |
| break; |
| case 1: |
| tcg_gen_qemu_ld16s(cpu_T[0], cpu_A0, mem_index); |
| break; |
| default: |
| case 2: |
| tcg_gen_qemu_ld32s(cpu_T[0], cpu_A0, mem_index); |
| break; |
| } |
| } |
| |
| static inline void gen_op_ld_v(int idx, TCGv t0, TCGv a0) |
| { |
| int mem_index = (idx >> 2) - 1; |
| switch(idx & 3) { |
| case 0: |
| tcg_gen_qemu_ld8u(t0, a0, mem_index); |
| break; |
| case 1: |
| tcg_gen_qemu_ld16u(t0, a0, mem_index); |
| break; |
| case 2: |
| tcg_gen_qemu_ld32u(t0, a0, mem_index); |
| break; |
| default: |
| case 3: |
| tcg_gen_qemu_ld64(t0, a0, mem_index); |
| break; |
| } |
| } |
| |
| /* XXX: always use ldu or lds */ |
| static inline void gen_op_ld_T0_A0(int idx) |
| { |
| gen_op_ld_v(idx, cpu_T[0], cpu_A0); |
| } |
| |
| static inline void gen_op_ldu_T0_A0(int idx) |
| { |
| gen_op_ld_v(idx, cpu_T[0], cpu_A0); |
| } |
| |
| static inline void gen_op_ld_T1_A0(int idx) |
| { |
| gen_op_ld_v(idx, cpu_T[1], cpu_A0); |
| } |
| |
| static inline void gen_op_st_v(int idx, TCGv t0, TCGv a0) |
| { |
| int mem_index = (idx >> 2) - 1; |
| switch(idx & 3) { |
| case 0: |
| tcg_gen_qemu_st8(t0, a0, mem_index); |
| break; |
| case 1: |
| tcg_gen_qemu_st16(t0, a0, mem_index); |
| break; |
| case 2: |
| tcg_gen_qemu_st32(t0, a0, mem_index); |
| break; |
| default: |
| case 3: |
| tcg_gen_qemu_st64(t0, a0, mem_index); |
| break; |
| } |
| } |
| |
| static inline void gen_op_st_T0_A0(int idx) |
| { |
| gen_op_st_v(idx, cpu_T[0], cpu_A0); |
| } |
| |
| static inline void gen_op_st_T1_A0(int idx) |
| { |
| gen_op_st_v(idx, cpu_T[1], cpu_A0); |
| } |
| |
| static inline void gen_jmp_im(target_ulong pc) |
| { |
| tcg_gen_movi_tl(cpu_tmp0, pc); |
| tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, eip)); |
| } |
| |
| static inline void gen_string_movl_A0_ESI(DisasContext *s) |
| { |
| int override; |
| |
| override = s->override; |
| #ifdef TARGET_X86_64 |
| if (s->aflag == 2) { |
| if (override >= 0) { |
| gen_op_movq_A0_seg(override); |
| gen_op_addq_A0_reg_sN(0, R_ESI); |
| } else { |
| gen_op_movq_A0_reg(R_ESI); |
| } |
| } else |
| #endif |
| if (s->aflag) { |
| /* 32 bit address */ |
| if (s->addseg && override < 0) |
| override = R_DS; |
| if (override >= 0) { |
| gen_op_movl_A0_seg(override); |
| gen_op_addl_A0_reg_sN(0, R_ESI); |
| } else { |
| gen_op_movl_A0_reg(R_ESI); |
| } |
| } else { |
| /* 16 address, always override */ |
| if (override < 0) |
| override = R_DS; |
| gen_op_movl_A0_reg(R_ESI); |
| gen_op_andl_A0_ffff(); |
| gen_op_addl_A0_seg(override); |
| } |
| } |
| |
| static inline void gen_string_movl_A0_EDI(DisasContext *s) |
| { |
| #ifdef TARGET_X86_64 |
| if (s->aflag == 2) { |
| gen_op_movq_A0_reg(R_EDI); |
| } else |
| #endif |
| if (s->aflag) { |
| if (s->addseg) { |
| gen_op_movl_A0_seg(R_ES); |
| gen_op_addl_A0_reg_sN(0, R_EDI); |
| } else { |
| gen_op_movl_A0_reg(R_EDI); |
| } |
| } else { |
| gen_op_movl_A0_reg(R_EDI); |
| gen_op_andl_A0_ffff(); |
| gen_op_addl_A0_seg(R_ES); |
| } |
| } |
| |
| static inline void gen_op_movl_T0_Dshift(int ot) |
| { |
| tcg_gen_ld32s_tl(cpu_T[0], cpu_env, offsetof(CPUState, df)); |
| tcg_gen_shli_tl(cpu_T[0], cpu_T[0], ot); |
| }; |
| |
| static void gen_extu(int ot, TCGv reg) |
| { |
| switch(ot) { |
| case OT_BYTE: |
| tcg_gen_ext8u_tl(reg, reg); |
| break; |
| case OT_WORD: |
| tcg_gen_ext16u_tl(reg, reg); |
| break; |
| case OT_LONG: |
| tcg_gen_ext32u_tl(reg, reg); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| static void gen_exts(int ot, TCGv reg) |
| { |
| switch(ot) { |
| case OT_BYTE: |
| tcg_gen_ext8s_tl(reg, reg); |
| break; |
| case OT_WORD: |
| tcg_gen_ext16s_tl(reg, reg); |
| break; |
| case OT_LONG: |
| tcg_gen_ext32s_tl(reg, reg); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| static inline void gen_op_jnz_ecx(int size, int label1) |
| { |
| tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[R_ECX])); |
| gen_extu(size + 1, cpu_tmp0); |
| tcg_gen_brcondi_tl(TCG_COND_NE, cpu_tmp0, 0, label1); |
| } |
| |
| static inline void gen_op_jz_ecx(int size, int label1) |
| { |
| tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[R_ECX])); |
| gen_extu(size + 1, cpu_tmp0); |
| tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_tmp0, 0, label1); |
| } |
| |
| static void *helper_in_func[3] = { |
| helper_inb, |
| helper_inw, |
| helper_inl, |
| }; |
| |
| static void *helper_out_func[3] = { |
| helper_outb, |
| helper_outw, |
| helper_outl, |
| }; |
| |
| static void *gen_check_io_func[3] = { |
| helper_check_iob, |
| helper_check_iow, |
| helper_check_iol, |
| }; |
| |
| static void gen_check_io(DisasContext *s, int ot, target_ulong cur_eip, |
| uint32_t svm_flags) |
| { |
| int state_saved; |
| target_ulong next_eip; |
| |
| state_saved = 0; |
| if (s->pe && (s->cpl > s->iopl || s->vm86)) { |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(cur_eip); |
| state_saved = 1; |
| tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]); |
| tcg_gen_helper_0_1(gen_check_io_func[ot], |
| cpu_tmp2_i32); |
| } |
| if(s->flags & HF_SVMI_MASK) { |
| if (!state_saved) { |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(cur_eip); |
| state_saved = 1; |
| } |
| svm_flags |= (1 << (4 + ot)); |
| next_eip = s->pc - s->cs_base; |
| tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]); |
| tcg_gen_helper_0_3(helper_svm_check_io, |
| cpu_tmp2_i32, |
| tcg_const_i32(svm_flags), |
| tcg_const_i32(next_eip - cur_eip)); |
| } |
| } |
| |
| static inline void gen_movs(DisasContext *s, int ot) |
| { |
| gen_string_movl_A0_ESI(s); |
| gen_op_ld_T0_A0(ot + s->mem_index); |
| gen_string_movl_A0_EDI(s); |
| gen_op_st_T0_A0(ot + s->mem_index); |
| gen_op_movl_T0_Dshift(ot); |
| gen_op_add_reg_T0(s->aflag, R_ESI); |
| gen_op_add_reg_T0(s->aflag, R_EDI); |
| } |
| |
| static inline void gen_update_cc_op(DisasContext *s) |
| { |
| if (s->cc_op != CC_OP_DYNAMIC) { |
| gen_op_set_cc_op(s->cc_op); |
| s->cc_op = CC_OP_DYNAMIC; |
| } |
| } |
| |
| static void gen_op_update1_cc(void) |
| { |
| tcg_gen_discard_tl(cpu_cc_src); |
| tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]); |
| } |
| |
| static void gen_op_update2_cc(void) |
| { |
| tcg_gen_mov_tl(cpu_cc_src, cpu_T[1]); |
| tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]); |
| } |
| |
| static inline void gen_op_cmpl_T0_T1_cc(void) |
| { |
| tcg_gen_mov_tl(cpu_cc_src, cpu_T[1]); |
| tcg_gen_sub_tl(cpu_cc_dst, cpu_T[0], cpu_T[1]); |
| } |
| |
| static inline void gen_op_testl_T0_T1_cc(void) |
| { |
| tcg_gen_discard_tl(cpu_cc_src); |
| tcg_gen_and_tl(cpu_cc_dst, cpu_T[0], cpu_T[1]); |
| } |
| |
| static void gen_op_update_neg_cc(void) |
| { |
| tcg_gen_neg_tl(cpu_cc_src, cpu_T[0]); |
| tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]); |
| } |
| |
| /* compute eflags.C to reg */ |
| static void gen_compute_eflags_c(TCGv reg) |
| { |
| #if TCG_TARGET_REG_BITS == 32 |
| tcg_gen_shli_i32(cpu_tmp2_i32, cpu_cc_op, 3); |
| tcg_gen_addi_i32(cpu_tmp2_i32, cpu_tmp2_i32, |
| (long)cc_table + offsetof(CCTable, compute_c)); |
| tcg_gen_ld_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0); |
| tcg_gen_call(&tcg_ctx, cpu_tmp2_i32, TCG_CALL_PURE, |
| 1, &cpu_tmp2_i32, 0, NULL); |
| #else |
| tcg_gen_extu_i32_tl(cpu_tmp1_i64, cpu_cc_op); |
| tcg_gen_shli_i64(cpu_tmp1_i64, cpu_tmp1_i64, 4); |
| tcg_gen_addi_i64(cpu_tmp1_i64, cpu_tmp1_i64, |
| (long)cc_table + offsetof(CCTable, compute_c)); |
| tcg_gen_ld_i64(cpu_tmp1_i64, cpu_tmp1_i64, 0); |
| tcg_gen_call(&tcg_ctx, cpu_tmp1_i64, TCG_CALL_PURE, |
| 1, &cpu_tmp2_i32, 0, NULL); |
| #endif |
| tcg_gen_extu_i32_tl(reg, cpu_tmp2_i32); |
| } |
| |
| /* compute all eflags to cc_src */ |
| static void gen_compute_eflags(TCGv reg) |
| { |
| #if TCG_TARGET_REG_BITS == 32 |
| tcg_gen_shli_i32(cpu_tmp2_i32, cpu_cc_op, 3); |
| tcg_gen_addi_i32(cpu_tmp2_i32, cpu_tmp2_i32, |
| (long)cc_table + offsetof(CCTable, compute_all)); |
| tcg_gen_ld_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0); |
| tcg_gen_call(&tcg_ctx, cpu_tmp2_i32, TCG_CALL_PURE, |
| 1, &cpu_tmp2_i32, 0, NULL); |
| #else |
| tcg_gen_extu_i32_tl(cpu_tmp1_i64, cpu_cc_op); |
| tcg_gen_shli_i64(cpu_tmp1_i64, cpu_tmp1_i64, 4); |
| tcg_gen_addi_i64(cpu_tmp1_i64, cpu_tmp1_i64, |
| (long)cc_table + offsetof(CCTable, compute_all)); |
| tcg_gen_ld_i64(cpu_tmp1_i64, cpu_tmp1_i64, 0); |
| tcg_gen_call(&tcg_ctx, cpu_tmp1_i64, TCG_CALL_PURE, |
| 1, &cpu_tmp2_i32, 0, NULL); |
| #endif |
| tcg_gen_extu_i32_tl(reg, cpu_tmp2_i32); |
| } |
| |
| static inline void gen_setcc_slow_T0(DisasContext *s, int jcc_op) |
| { |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| switch(jcc_op) { |
| case JCC_O: |
| gen_compute_eflags(cpu_T[0]); |
| tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 11); |
| tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1); |
| break; |
| case JCC_B: |
| gen_compute_eflags_c(cpu_T[0]); |
| break; |
| case JCC_Z: |
| gen_compute_eflags(cpu_T[0]); |
| tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 6); |
| tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1); |
| break; |
| case JCC_BE: |
| gen_compute_eflags(cpu_tmp0); |
| tcg_gen_shri_tl(cpu_T[0], cpu_tmp0, 6); |
| tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_tmp0); |
| tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1); |
| break; |
| case JCC_S: |
| gen_compute_eflags(cpu_T[0]); |
| tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 7); |
| tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1); |
| break; |
| case JCC_P: |
| gen_compute_eflags(cpu_T[0]); |
| tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 2); |
| tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1); |
| break; |
| case JCC_L: |
| gen_compute_eflags(cpu_tmp0); |
| tcg_gen_shri_tl(cpu_T[0], cpu_tmp0, 11); /* CC_O */ |
| tcg_gen_shri_tl(cpu_tmp0, cpu_tmp0, 7); /* CC_S */ |
| tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_tmp0); |
| tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1); |
| break; |
| default: |
| case JCC_LE: |
| gen_compute_eflags(cpu_tmp0); |
| tcg_gen_shri_tl(cpu_T[0], cpu_tmp0, 11); /* CC_O */ |
| tcg_gen_shri_tl(cpu_tmp4, cpu_tmp0, 7); /* CC_S */ |
| tcg_gen_shri_tl(cpu_tmp0, cpu_tmp0, 6); /* CC_Z */ |
| tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_tmp4); |
| tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_tmp0); |
| tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1); |
| break; |
| } |
| } |
| |
| /* return true if setcc_slow is not needed (WARNING: must be kept in |
| sync with gen_jcc1) */ |
| static int is_fast_jcc_case(DisasContext *s, int b) |
| { |
| int jcc_op; |
| jcc_op = (b >> 1) & 7; |
| switch(s->cc_op) { |
| /* we optimize the cmp/jcc case */ |
| case CC_OP_SUBB: |
| case CC_OP_SUBW: |
| case CC_OP_SUBL: |
| case CC_OP_SUBQ: |
| if (jcc_op == JCC_O || jcc_op == JCC_P) |
| goto slow_jcc; |
| break; |
| |
| /* some jumps are easy to compute */ |
| case CC_OP_ADDB: |
| case CC_OP_ADDW: |
| case CC_OP_ADDL: |
| case CC_OP_ADDQ: |
| |
| case CC_OP_LOGICB: |
| case CC_OP_LOGICW: |
| case CC_OP_LOGICL: |
| case CC_OP_LOGICQ: |
| |
| case CC_OP_INCB: |
| case CC_OP_INCW: |
| case CC_OP_INCL: |
| case CC_OP_INCQ: |
| |
| case CC_OP_DECB: |
| case CC_OP_DECW: |
| case CC_OP_DECL: |
| case CC_OP_DECQ: |
| |
| case CC_OP_SHLB: |
| case CC_OP_SHLW: |
| case CC_OP_SHLL: |
| case CC_OP_SHLQ: |
| if (jcc_op != JCC_Z && jcc_op != JCC_S) |
| goto slow_jcc; |
| break; |
| default: |
| slow_jcc: |
| return 0; |
| } |
| return 1; |
| } |
| |
| /* generate a conditional jump to label 'l1' according to jump opcode |
| value 'b'. In the fast case, T0 is guaranted not to be used. */ |
| static inline void gen_jcc1(DisasContext *s, int cc_op, int b, int l1) |
| { |
| int inv, jcc_op, size, cond; |
| TCGv t0; |
| |
| inv = b & 1; |
| jcc_op = (b >> 1) & 7; |
| |
| switch(cc_op) { |
| /* we optimize the cmp/jcc case */ |
| case CC_OP_SUBB: |
| case CC_OP_SUBW: |
| case CC_OP_SUBL: |
| case CC_OP_SUBQ: |
| |
| size = cc_op - CC_OP_SUBB; |
| switch(jcc_op) { |
| case JCC_Z: |
| fast_jcc_z: |
| switch(size) { |
| case 0: |
| tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0xff); |
| t0 = cpu_tmp0; |
| break; |
| case 1: |
| tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0xffff); |
| t0 = cpu_tmp0; |
| break; |
| #ifdef TARGET_X86_64 |
| case 2: |
| tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0xffffffff); |
| t0 = cpu_tmp0; |
| break; |
| #endif |
| default: |
| t0 = cpu_cc_dst; |
| break; |
| } |
| tcg_gen_brcondi_tl(inv ? TCG_COND_NE : TCG_COND_EQ, t0, 0, l1); |
| break; |
| case JCC_S: |
| fast_jcc_s: |
| switch(size) { |
| case 0: |
| tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0x80); |
| tcg_gen_brcondi_tl(inv ? TCG_COND_EQ : TCG_COND_NE, cpu_tmp0, |
| 0, l1); |
| break; |
| case 1: |
| tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0x8000); |
| tcg_gen_brcondi_tl(inv ? TCG_COND_EQ : TCG_COND_NE, cpu_tmp0, |
| 0, l1); |
| break; |
| #ifdef TARGET_X86_64 |
| case 2: |
| tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0x80000000); |
| tcg_gen_brcondi_tl(inv ? TCG_COND_EQ : TCG_COND_NE, cpu_tmp0, |
| 0, l1); |
| break; |
| #endif |
| default: |
| tcg_gen_brcondi_tl(inv ? TCG_COND_GE : TCG_COND_LT, cpu_cc_dst, |
| 0, l1); |
| break; |
| } |
| break; |
| |
| case JCC_B: |
| cond = inv ? TCG_COND_GEU : TCG_COND_LTU; |
| goto fast_jcc_b; |
| case JCC_BE: |
| cond = inv ? TCG_COND_GTU : TCG_COND_LEU; |
| fast_jcc_b: |
| tcg_gen_add_tl(cpu_tmp4, cpu_cc_dst, cpu_cc_src); |
| switch(size) { |
| case 0: |
| t0 = cpu_tmp0; |
| tcg_gen_andi_tl(cpu_tmp4, cpu_tmp4, 0xff); |
| tcg_gen_andi_tl(t0, cpu_cc_src, 0xff); |
| break; |
| case 1: |
| t0 = cpu_tmp0; |
| tcg_gen_andi_tl(cpu_tmp4, cpu_tmp4, 0xffff); |
| tcg_gen_andi_tl(t0, cpu_cc_src, 0xffff); |
| break; |
| #ifdef TARGET_X86_64 |
| case 2: |
| t0 = cpu_tmp0; |
| tcg_gen_andi_tl(cpu_tmp4, cpu_tmp4, 0xffffffff); |
| tcg_gen_andi_tl(t0, cpu_cc_src, 0xffffffff); |
| break; |
| #endif |
| default: |
| t0 = cpu_cc_src; |
| break; |
| } |
| tcg_gen_brcond_tl(cond, cpu_tmp4, t0, l1); |
| break; |
| |
| case JCC_L: |
| cond = inv ? TCG_COND_GE : TCG_COND_LT; |
| goto fast_jcc_l; |
| case JCC_LE: |
| cond = inv ? TCG_COND_GT : TCG_COND_LE; |
| fast_jcc_l: |
| tcg_gen_add_tl(cpu_tmp4, cpu_cc_dst, cpu_cc_src); |
| switch(size) { |
| case 0: |
| t0 = cpu_tmp0; |
| tcg_gen_ext8s_tl(cpu_tmp4, cpu_tmp4); |
| tcg_gen_ext8s_tl(t0, cpu_cc_src); |
| break; |
| case 1: |
| t0 = cpu_tmp0; |
| tcg_gen_ext16s_tl(cpu_tmp4, cpu_tmp4); |
| tcg_gen_ext16s_tl(t0, cpu_cc_src); |
| break; |
| #ifdef TARGET_X86_64 |
| case 2: |
| t0 = cpu_tmp0; |
| tcg_gen_ext32s_tl(cpu_tmp4, cpu_tmp4); |
| tcg_gen_ext32s_tl(t0, cpu_cc_src); |
| break; |
| #endif |
| default: |
| t0 = cpu_cc_src; |
| break; |
| } |
| tcg_gen_brcond_tl(cond, cpu_tmp4, t0, l1); |
| break; |
| |
| default: |
| goto slow_jcc; |
| } |
| break; |
| |
| /* some jumps are easy to compute */ |
| case CC_OP_ADDB: |
| case CC_OP_ADDW: |
| case CC_OP_ADDL: |
| case CC_OP_ADDQ: |
| |
| case CC_OP_ADCB: |
| case CC_OP_ADCW: |
| case CC_OP_ADCL: |
| case CC_OP_ADCQ: |
| |
| case CC_OP_SBBB: |
| case CC_OP_SBBW: |
| case CC_OP_SBBL: |
| case CC_OP_SBBQ: |
| |
| case CC_OP_LOGICB: |
| case CC_OP_LOGICW: |
| case CC_OP_LOGICL: |
| case CC_OP_LOGICQ: |
| |
| case CC_OP_INCB: |
| case CC_OP_INCW: |
| case CC_OP_INCL: |
| case CC_OP_INCQ: |
| |
| case CC_OP_DECB: |
| case CC_OP_DECW: |
| case CC_OP_DECL: |
| case CC_OP_DECQ: |
| |
| case CC_OP_SHLB: |
| case CC_OP_SHLW: |
| case CC_OP_SHLL: |
| case CC_OP_SHLQ: |
| |
| case CC_OP_SARB: |
| case CC_OP_SARW: |
| case CC_OP_SARL: |
| case CC_OP_SARQ: |
| switch(jcc_op) { |
| case JCC_Z: |
| size = (cc_op - CC_OP_ADDB) & 3; |
| goto fast_jcc_z; |
| case JCC_S: |
| size = (cc_op - CC_OP_ADDB) & 3; |
| goto fast_jcc_s; |
| default: |
| goto slow_jcc; |
| } |
| break; |
| default: |
| slow_jcc: |
| gen_setcc_slow_T0(s, jcc_op); |
| tcg_gen_brcondi_tl(inv ? TCG_COND_EQ : TCG_COND_NE, |
| cpu_T[0], 0, l1); |
| break; |
| } |
| } |
| |
| /* XXX: does not work with gdbstub "ice" single step - not a |
| serious problem */ |
| static int gen_jz_ecx_string(DisasContext *s, target_ulong next_eip) |
| { |
| int l1, l2; |
| |
| l1 = gen_new_label(); |
| l2 = gen_new_label(); |
| gen_op_jnz_ecx(s->aflag, l1); |
| gen_set_label(l2); |
| gen_jmp_tb(s, next_eip, 1); |
| gen_set_label(l1); |
| return l2; |
| } |
| |
| static inline void gen_stos(DisasContext *s, int ot) |
| { |
| gen_op_mov_TN_reg(OT_LONG, 0, R_EAX); |
| gen_string_movl_A0_EDI(s); |
| gen_op_st_T0_A0(ot + s->mem_index); |
| gen_op_movl_T0_Dshift(ot); |
| gen_op_add_reg_T0(s->aflag, R_EDI); |
| } |
| |
| static inline void gen_lods(DisasContext *s, int ot) |
| { |
| gen_string_movl_A0_ESI(s); |
| gen_op_ld_T0_A0(ot + s->mem_index); |
| gen_op_mov_reg_T0(ot, R_EAX); |
| gen_op_movl_T0_Dshift(ot); |
| gen_op_add_reg_T0(s->aflag, R_ESI); |
| } |
| |
| static inline void gen_scas(DisasContext *s, int ot) |
| { |
| gen_op_mov_TN_reg(OT_LONG, 0, R_EAX); |
| gen_string_movl_A0_EDI(s); |
| gen_op_ld_T1_A0(ot + s->mem_index); |
| gen_op_cmpl_T0_T1_cc(); |
| gen_op_movl_T0_Dshift(ot); |
| gen_op_add_reg_T0(s->aflag, R_EDI); |
| } |
| |
| static inline void gen_cmps(DisasContext *s, int ot) |
| { |
| gen_string_movl_A0_ESI(s); |
| gen_op_ld_T0_A0(ot + s->mem_index); |
| gen_string_movl_A0_EDI(s); |
| gen_op_ld_T1_A0(ot + s->mem_index); |
| gen_op_cmpl_T0_T1_cc(); |
| gen_op_movl_T0_Dshift(ot); |
| gen_op_add_reg_T0(s->aflag, R_ESI); |
| gen_op_add_reg_T0(s->aflag, R_EDI); |
| } |
| |
| static inline void gen_ins(DisasContext *s, int ot) |
| { |
| if (use_icount) |
| gen_io_start(); |
| gen_string_movl_A0_EDI(s); |
| /* Note: we must do this dummy write first to be restartable in |
| case of page fault. */ |
| gen_op_movl_T0_0(); |
| gen_op_st_T0_A0(ot + s->mem_index); |
| gen_op_mov_TN_reg(OT_WORD, 1, R_EDX); |
| tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[1]); |
| tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff); |
| tcg_gen_helper_1_1(helper_in_func[ot], cpu_T[0], cpu_tmp2_i32); |
| gen_op_st_T0_A0(ot + s->mem_index); |
| gen_op_movl_T0_Dshift(ot); |
| gen_op_add_reg_T0(s->aflag, R_EDI); |
| if (use_icount) |
| gen_io_end(); |
| } |
| |
| static inline void gen_outs(DisasContext *s, int ot) |
| { |
| if (use_icount) |
| gen_io_start(); |
| gen_string_movl_A0_ESI(s); |
| gen_op_ld_T0_A0(ot + s->mem_index); |
| |
| gen_op_mov_TN_reg(OT_WORD, 1, R_EDX); |
| tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[1]); |
| tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff); |
| tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T[0]); |
| tcg_gen_helper_0_2(helper_out_func[ot], cpu_tmp2_i32, cpu_tmp3_i32); |
| |
| gen_op_movl_T0_Dshift(ot); |
| gen_op_add_reg_T0(s->aflag, R_ESI); |
| if (use_icount) |
| gen_io_end(); |
| } |
| |
| /* same method as Valgrind : we generate jumps to current or next |
| instruction */ |
| #define GEN_REPZ(op) \ |
| static inline void gen_repz_ ## op(DisasContext *s, int ot, \ |
| target_ulong cur_eip, target_ulong next_eip) \ |
| { \ |
| int l2;\ |
| gen_update_cc_op(s); \ |
| l2 = gen_jz_ecx_string(s, next_eip); \ |
| gen_ ## op(s, ot); \ |
| gen_op_add_reg_im(s->aflag, R_ECX, -1); \ |
| /* a loop would cause two single step exceptions if ECX = 1 \ |
| before rep string_insn */ \ |
| if (!s->jmp_opt) \ |
| gen_op_jz_ecx(s->aflag, l2); \ |
| gen_jmp(s, cur_eip); \ |
| } |
| |
| #define GEN_REPZ2(op) \ |
| static inline void gen_repz_ ## op(DisasContext *s, int ot, \ |
| target_ulong cur_eip, \ |
| target_ulong next_eip, \ |
| int nz) \ |
| { \ |
| int l2;\ |
| gen_update_cc_op(s); \ |
| l2 = gen_jz_ecx_string(s, next_eip); \ |
| gen_ ## op(s, ot); \ |
| gen_op_add_reg_im(s->aflag, R_ECX, -1); \ |
| gen_op_set_cc_op(CC_OP_SUBB + ot); \ |
| gen_jcc1(s, CC_OP_SUBB + ot, (JCC_Z << 1) | (nz ^ 1), l2); \ |
| if (!s->jmp_opt) \ |
| gen_op_jz_ecx(s->aflag, l2); \ |
| gen_jmp(s, cur_eip); \ |
| } |
| |
| GEN_REPZ(movs) |
| GEN_REPZ(stos) |
| GEN_REPZ(lods) |
| GEN_REPZ(ins) |
| GEN_REPZ(outs) |
| GEN_REPZ2(scas) |
| GEN_REPZ2(cmps) |
| |
| static void *helper_fp_arith_ST0_FT0[8] = { |
| helper_fadd_ST0_FT0, |
| helper_fmul_ST0_FT0, |
| helper_fcom_ST0_FT0, |
| helper_fcom_ST0_FT0, |
| helper_fsub_ST0_FT0, |
| helper_fsubr_ST0_FT0, |
| helper_fdiv_ST0_FT0, |
| helper_fdivr_ST0_FT0, |
| }; |
| |
| /* NOTE the exception in "r" op ordering */ |
| static void *helper_fp_arith_STN_ST0[8] = { |
| helper_fadd_STN_ST0, |
| helper_fmul_STN_ST0, |
| NULL, |
| NULL, |
| helper_fsubr_STN_ST0, |
| helper_fsub_STN_ST0, |
| helper_fdivr_STN_ST0, |
| helper_fdiv_STN_ST0, |
| }; |
| |
| /* if d == OR_TMP0, it means memory operand (address in A0) */ |
| static void gen_op(DisasContext *s1, int op, int ot, int d) |
| { |
| if (d != OR_TMP0) { |
| gen_op_mov_TN_reg(ot, 0, d); |
| } else { |
| gen_op_ld_T0_A0(ot + s1->mem_index); |
| } |
| switch(op) { |
| case OP_ADCL: |
| if (s1->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s1->cc_op); |
| gen_compute_eflags_c(cpu_tmp4); |
| tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_tmp4); |
| if (d != OR_TMP0) |
| gen_op_mov_reg_T0(ot, d); |
| else |
| gen_op_st_T0_A0(ot + s1->mem_index); |
| tcg_gen_mov_tl(cpu_cc_src, cpu_T[1]); |
| tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]); |
| tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_tmp4); |
| tcg_gen_shli_i32(cpu_tmp2_i32, cpu_tmp2_i32, 2); |
| tcg_gen_addi_i32(cpu_cc_op, cpu_tmp2_i32, CC_OP_ADDB + ot); |
| s1->cc_op = CC_OP_DYNAMIC; |
| break; |
| case OP_SBBL: |
| if (s1->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s1->cc_op); |
| gen_compute_eflags_c(cpu_tmp4); |
| tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_tmp4); |
| if (d != OR_TMP0) |
| gen_op_mov_reg_T0(ot, d); |
| else |
| gen_op_st_T0_A0(ot + s1->mem_index); |
| tcg_gen_mov_tl(cpu_cc_src, cpu_T[1]); |
| tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]); |
| tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_tmp4); |
| tcg_gen_shli_i32(cpu_tmp2_i32, cpu_tmp2_i32, 2); |
| tcg_gen_addi_i32(cpu_cc_op, cpu_tmp2_i32, CC_OP_SUBB + ot); |
| s1->cc_op = CC_OP_DYNAMIC; |
| break; |
| case OP_ADDL: |
| gen_op_addl_T0_T1(); |
| if (d != OR_TMP0) |
| gen_op_mov_reg_T0(ot, d); |
| else |
| gen_op_st_T0_A0(ot + s1->mem_index); |
| gen_op_update2_cc(); |
| s1->cc_op = CC_OP_ADDB + ot; |
| break; |
| case OP_SUBL: |
| tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| if (d != OR_TMP0) |
| gen_op_mov_reg_T0(ot, d); |
| else |
| gen_op_st_T0_A0(ot + s1->mem_index); |
| gen_op_update2_cc(); |
| s1->cc_op = CC_OP_SUBB + ot; |
| break; |
| default: |
| case OP_ANDL: |
| tcg_gen_and_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| if (d != OR_TMP0) |
| gen_op_mov_reg_T0(ot, d); |
| else |
| gen_op_st_T0_A0(ot + s1->mem_index); |
| gen_op_update1_cc(); |
| s1->cc_op = CC_OP_LOGICB + ot; |
| break; |
| case OP_ORL: |
| tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| if (d != OR_TMP0) |
| gen_op_mov_reg_T0(ot, d); |
| else |
| gen_op_st_T0_A0(ot + s1->mem_index); |
| gen_op_update1_cc(); |
| s1->cc_op = CC_OP_LOGICB + ot; |
| break; |
| case OP_XORL: |
| tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| if (d != OR_TMP0) |
| gen_op_mov_reg_T0(ot, d); |
| else |
| gen_op_st_T0_A0(ot + s1->mem_index); |
| gen_op_update1_cc(); |
| s1->cc_op = CC_OP_LOGICB + ot; |
| break; |
| case OP_CMPL: |
| gen_op_cmpl_T0_T1_cc(); |
| s1->cc_op = CC_OP_SUBB + ot; |
| break; |
| } |
| } |
| |
| /* if d == OR_TMP0, it means memory operand (address in A0) */ |
| static void gen_inc(DisasContext *s1, int ot, int d, int c) |
| { |
| if (d != OR_TMP0) |
| gen_op_mov_TN_reg(ot, 0, d); |
| else |
| gen_op_ld_T0_A0(ot + s1->mem_index); |
| if (s1->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s1->cc_op); |
| if (c > 0) { |
| tcg_gen_addi_tl(cpu_T[0], cpu_T[0], 1); |
| s1->cc_op = CC_OP_INCB + ot; |
| } else { |
| tcg_gen_addi_tl(cpu_T[0], cpu_T[0], -1); |
| s1->cc_op = CC_OP_DECB + ot; |
| } |
| if (d != OR_TMP0) |
| gen_op_mov_reg_T0(ot, d); |
| else |
| gen_op_st_T0_A0(ot + s1->mem_index); |
| gen_compute_eflags_c(cpu_cc_src); |
| tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]); |
| } |
| |
| static void gen_shift_rm_T1(DisasContext *s, int ot, int op1, |
| int is_right, int is_arith) |
| { |
| target_ulong mask; |
| int shift_label; |
| TCGv t0, t1; |
| |
| if (ot == OT_QUAD) |
| mask = 0x3f; |
| else |
| mask = 0x1f; |
| |
| /* load */ |
| if (op1 == OR_TMP0) |
| gen_op_ld_T0_A0(ot + s->mem_index); |
| else |
| gen_op_mov_TN_reg(ot, 0, op1); |
| |
| tcg_gen_andi_tl(cpu_T[1], cpu_T[1], mask); |
| |
| tcg_gen_addi_tl(cpu_tmp5, cpu_T[1], -1); |
| |
| if (is_right) { |
| if (is_arith) { |
| gen_exts(ot, cpu_T[0]); |
| tcg_gen_sar_tl(cpu_T3, cpu_T[0], cpu_tmp5); |
| tcg_gen_sar_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| } else { |
| gen_extu(ot, cpu_T[0]); |
| tcg_gen_shr_tl(cpu_T3, cpu_T[0], cpu_tmp5); |
| tcg_gen_shr_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| } |
| } else { |
| tcg_gen_shl_tl(cpu_T3, cpu_T[0], cpu_tmp5); |
| tcg_gen_shl_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| } |
| |
| /* store */ |
| if (op1 == OR_TMP0) |
| gen_op_st_T0_A0(ot + s->mem_index); |
| else |
| gen_op_mov_reg_T0(ot, op1); |
| |
| /* update eflags if non zero shift */ |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| |
| /* XXX: inefficient */ |
| t0 = tcg_temp_local_new(TCG_TYPE_TL); |
| t1 = tcg_temp_local_new(TCG_TYPE_TL); |
| |
| tcg_gen_mov_tl(t0, cpu_T[0]); |
| tcg_gen_mov_tl(t1, cpu_T3); |
| |
| shift_label = gen_new_label(); |
| tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T[1], 0, shift_label); |
| |
| tcg_gen_mov_tl(cpu_cc_src, t1); |
| tcg_gen_mov_tl(cpu_cc_dst, t0); |
| if (is_right) |
| tcg_gen_movi_i32(cpu_cc_op, CC_OP_SARB + ot); |
| else |
| tcg_gen_movi_i32(cpu_cc_op, CC_OP_SHLB + ot); |
| |
| gen_set_label(shift_label); |
| s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */ |
| |
| tcg_temp_free(t0); |
| tcg_temp_free(t1); |
| } |
| |
| static void gen_shift_rm_im(DisasContext *s, int ot, int op1, int op2, |
| int is_right, int is_arith) |
| { |
| int mask; |
| |
| if (ot == OT_QUAD) |
| mask = 0x3f; |
| else |
| mask = 0x1f; |
| |
| /* load */ |
| if (op1 == OR_TMP0) |
| gen_op_ld_T0_A0(ot + s->mem_index); |
| else |
| gen_op_mov_TN_reg(ot, 0, op1); |
| |
| op2 &= mask; |
| if (op2 != 0) { |
| if (is_right) { |
| if (is_arith) { |
| gen_exts(ot, cpu_T[0]); |
| tcg_gen_sari_tl(cpu_tmp4, cpu_T[0], op2 - 1); |
| tcg_gen_sari_tl(cpu_T[0], cpu_T[0], op2); |
| } else { |
| gen_extu(ot, cpu_T[0]); |
| tcg_gen_shri_tl(cpu_tmp4, cpu_T[0], op2 - 1); |
| tcg_gen_shri_tl(cpu_T[0], cpu_T[0], op2); |
| } |
| } else { |
| tcg_gen_shli_tl(cpu_tmp4, cpu_T[0], op2 - 1); |
| tcg_gen_shli_tl(cpu_T[0], cpu_T[0], op2); |
| } |
| } |
| |
| /* store */ |
| if (op1 == OR_TMP0) |
| gen_op_st_T0_A0(ot + s->mem_index); |
| else |
| gen_op_mov_reg_T0(ot, op1); |
| |
| /* update eflags if non zero shift */ |
| if (op2 != 0) { |
| tcg_gen_mov_tl(cpu_cc_src, cpu_tmp4); |
| tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]); |
| if (is_right) |
| s->cc_op = CC_OP_SARB + ot; |
| else |
| s->cc_op = CC_OP_SHLB + ot; |
| } |
| } |
| |
| static inline void tcg_gen_lshift(TCGv ret, TCGv arg1, target_long arg2) |
| { |
| if (arg2 >= 0) |
| tcg_gen_shli_tl(ret, arg1, arg2); |
| else |
| tcg_gen_shri_tl(ret, arg1, -arg2); |
| } |
| |
| /* XXX: add faster immediate case */ |
| static void gen_rot_rm_T1(DisasContext *s, int ot, int op1, |
| int is_right) |
| { |
| target_ulong mask; |
| int label1, label2, data_bits; |
| TCGv t0, t1, t2, a0; |
| |
| /* XXX: inefficient, but we must use local temps */ |
| t0 = tcg_temp_local_new(TCG_TYPE_TL); |
| t1 = tcg_temp_local_new(TCG_TYPE_TL); |
| t2 = tcg_temp_local_new(TCG_TYPE_TL); |
| a0 = tcg_temp_local_new(TCG_TYPE_TL); |
| |
| if (ot == OT_QUAD) |
| mask = 0x3f; |
| else |
| mask = 0x1f; |
| |
| /* load */ |
| if (op1 == OR_TMP0) { |
| tcg_gen_mov_tl(a0, cpu_A0); |
| gen_op_ld_v(ot + s->mem_index, t0, a0); |
| } else { |
| gen_op_mov_v_reg(ot, t0, op1); |
| } |
| |
| tcg_gen_mov_tl(t1, cpu_T[1]); |
| |
| tcg_gen_andi_tl(t1, t1, mask); |
| |
| /* Must test zero case to avoid using undefined behaviour in TCG |
| shifts. */ |
| label1 = gen_new_label(); |
| tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, label1); |
| |
| if (ot <= OT_WORD) |
| tcg_gen_andi_tl(cpu_tmp0, t1, (1 << (3 + ot)) - 1); |
| else |
| tcg_gen_mov_tl(cpu_tmp0, t1); |
| |
| gen_extu(ot, t0); |
| tcg_gen_mov_tl(t2, t0); |
| |
| data_bits = 8 << ot; |
| /* XXX: rely on behaviour of shifts when operand 2 overflows (XXX: |
| fix TCG definition) */ |
| if (is_right) { |
| tcg_gen_shr_tl(cpu_tmp4, t0, cpu_tmp0); |
| tcg_gen_sub_tl(cpu_tmp0, tcg_const_tl(data_bits), cpu_tmp0); |
| tcg_gen_shl_tl(t0, t0, cpu_tmp0); |
| } else { |
| tcg_gen_shl_tl(cpu_tmp4, t0, cpu_tmp0); |
| tcg_gen_sub_tl(cpu_tmp0, tcg_const_tl(data_bits), cpu_tmp0); |
| tcg_gen_shr_tl(t0, t0, cpu_tmp0); |
| } |
| tcg_gen_or_tl(t0, t0, cpu_tmp4); |
| |
| gen_set_label(label1); |
| /* store */ |
| if (op1 == OR_TMP0) { |
| gen_op_st_v(ot + s->mem_index, t0, a0); |
| } else { |
| gen_op_mov_reg_v(ot, op1, t0); |
| } |
| |
| /* update eflags */ |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| |
| label2 = gen_new_label(); |
| tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, label2); |
| |
| gen_compute_eflags(cpu_cc_src); |
| tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, ~(CC_O | CC_C)); |
| tcg_gen_xor_tl(cpu_tmp0, t2, t0); |
| tcg_gen_lshift(cpu_tmp0, cpu_tmp0, 11 - (data_bits - 1)); |
| tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, CC_O); |
| tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, cpu_tmp0); |
| if (is_right) { |
| tcg_gen_shri_tl(t0, t0, data_bits - 1); |
| } |
| tcg_gen_andi_tl(t0, t0, CC_C); |
| tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, t0); |
| |
| tcg_gen_discard_tl(cpu_cc_dst); |
| tcg_gen_movi_i32(cpu_cc_op, CC_OP_EFLAGS); |
| |
| gen_set_label(label2); |
| s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */ |
| |
| tcg_temp_free(t0); |
| tcg_temp_free(t1); |
| tcg_temp_free(t2); |
| tcg_temp_free(a0); |
| } |
| |
| static void *helper_rotc[8] = { |
| helper_rclb, |
| helper_rclw, |
| helper_rcll, |
| X86_64_ONLY(helper_rclq), |
| helper_rcrb, |
| helper_rcrw, |
| helper_rcrl, |
| X86_64_ONLY(helper_rcrq), |
| }; |
| |
| /* XXX: add faster immediate = 1 case */ |
| static void gen_rotc_rm_T1(DisasContext *s, int ot, int op1, |
| int is_right) |
| { |
| int label1; |
| |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| |
| /* load */ |
| if (op1 == OR_TMP0) |
| gen_op_ld_T0_A0(ot + s->mem_index); |
| else |
| gen_op_mov_TN_reg(ot, 0, op1); |
| |
| tcg_gen_helper_1_2(helper_rotc[ot + (is_right * 4)], |
| cpu_T[0], cpu_T[0], cpu_T[1]); |
| /* store */ |
| if (op1 == OR_TMP0) |
| gen_op_st_T0_A0(ot + s->mem_index); |
| else |
| gen_op_mov_reg_T0(ot, op1); |
| |
| /* update eflags */ |
| label1 = gen_new_label(); |
| tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_cc_tmp, -1, label1); |
| |
| tcg_gen_mov_tl(cpu_cc_src, cpu_cc_tmp); |
| tcg_gen_discard_tl(cpu_cc_dst); |
| tcg_gen_movi_i32(cpu_cc_op, CC_OP_EFLAGS); |
| |
| gen_set_label(label1); |
| s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */ |
| } |
| |
| /* XXX: add faster immediate case */ |
| static void gen_shiftd_rm_T1_T3(DisasContext *s, int ot, int op1, |
| int is_right) |
| { |
| int label1, label2, data_bits; |
| target_ulong mask; |
| TCGv t0, t1, t2, a0; |
| |
| t0 = tcg_temp_local_new(TCG_TYPE_TL); |
| t1 = tcg_temp_local_new(TCG_TYPE_TL); |
| t2 = tcg_temp_local_new(TCG_TYPE_TL); |
| a0 = tcg_temp_local_new(TCG_TYPE_TL); |
| |
| if (ot == OT_QUAD) |
| mask = 0x3f; |
| else |
| mask = 0x1f; |
| |
| /* load */ |
| if (op1 == OR_TMP0) { |
| tcg_gen_mov_tl(a0, cpu_A0); |
| gen_op_ld_v(ot + s->mem_index, t0, a0); |
| } else { |
| gen_op_mov_v_reg(ot, t0, op1); |
| } |
| |
| tcg_gen_andi_tl(cpu_T3, cpu_T3, mask); |
| |
| tcg_gen_mov_tl(t1, cpu_T[1]); |
| tcg_gen_mov_tl(t2, cpu_T3); |
| |
| /* Must test zero case to avoid using undefined behaviour in TCG |
| shifts. */ |
| label1 = gen_new_label(); |
| tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, label1); |
| |
| tcg_gen_addi_tl(cpu_tmp5, t2, -1); |
| if (ot == OT_WORD) { |
| /* Note: we implement the Intel behaviour for shift count > 16 */ |
| if (is_right) { |
| tcg_gen_andi_tl(t0, t0, 0xffff); |
| tcg_gen_shli_tl(cpu_tmp0, t1, 16); |
| tcg_gen_or_tl(t0, t0, cpu_tmp0); |
| tcg_gen_ext32u_tl(t0, t0); |
| |
| tcg_gen_shr_tl(cpu_tmp4, t0, cpu_tmp5); |
| |
| /* only needed if count > 16, but a test would complicate */ |
| tcg_gen_sub_tl(cpu_tmp5, tcg_const_tl(32), t2); |
| tcg_gen_shl_tl(cpu_tmp0, t0, cpu_tmp5); |
| |
| tcg_gen_shr_tl(t0, t0, t2); |
| |
| tcg_gen_or_tl(t0, t0, cpu_tmp0); |
| } else { |
| /* XXX: not optimal */ |
| tcg_gen_andi_tl(t0, t0, 0xffff); |
| tcg_gen_shli_tl(t1, t1, 16); |
| tcg_gen_or_tl(t1, t1, t0); |
| tcg_gen_ext32u_tl(t1, t1); |
| |
| tcg_gen_shl_tl(cpu_tmp4, t0, cpu_tmp5); |
| tcg_gen_sub_tl(cpu_tmp0, tcg_const_tl(32), cpu_tmp5); |
| tcg_gen_shr_tl(cpu_tmp6, t1, cpu_tmp0); |
| tcg_gen_or_tl(cpu_tmp4, cpu_tmp4, cpu_tmp6); |
| |
| tcg_gen_shl_tl(t0, t0, t2); |
| tcg_gen_sub_tl(cpu_tmp5, tcg_const_tl(32), t2); |
| tcg_gen_shr_tl(t1, t1, cpu_tmp5); |
| tcg_gen_or_tl(t0, t0, t1); |
| } |
| } else { |
| data_bits = 8 << ot; |
| if (is_right) { |
| if (ot == OT_LONG) |
| tcg_gen_ext32u_tl(t0, t0); |
| |
| tcg_gen_shr_tl(cpu_tmp4, t0, cpu_tmp5); |
| |
| tcg_gen_shr_tl(t0, t0, t2); |
| tcg_gen_sub_tl(cpu_tmp5, tcg_const_tl(data_bits), t2); |
| tcg_gen_shl_tl(t1, t1, cpu_tmp5); |
| tcg_gen_or_tl(t0, t0, t1); |
| |
| } else { |
| if (ot == OT_LONG) |
| tcg_gen_ext32u_tl(t1, t1); |
| |
| tcg_gen_shl_tl(cpu_tmp4, t0, cpu_tmp5); |
| |
| tcg_gen_shl_tl(t0, t0, t2); |
| tcg_gen_sub_tl(cpu_tmp5, tcg_const_tl(data_bits), t2); |
| tcg_gen_shr_tl(t1, t1, cpu_tmp5); |
| tcg_gen_or_tl(t0, t0, t1); |
| } |
| } |
| tcg_gen_mov_tl(t1, cpu_tmp4); |
| |
| gen_set_label(label1); |
| /* store */ |
| if (op1 == OR_TMP0) { |
| gen_op_st_v(ot + s->mem_index, t0, a0); |
| } else { |
| gen_op_mov_reg_v(ot, op1, t0); |
| } |
| |
| /* update eflags */ |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| |
| label2 = gen_new_label(); |
| tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, label2); |
| |
| tcg_gen_mov_tl(cpu_cc_src, t1); |
| tcg_gen_mov_tl(cpu_cc_dst, t0); |
| if (is_right) { |
| tcg_gen_movi_i32(cpu_cc_op, CC_OP_SARB + ot); |
| } else { |
| tcg_gen_movi_i32(cpu_cc_op, CC_OP_SHLB + ot); |
| } |
| gen_set_label(label2); |
| s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */ |
| |
| tcg_temp_free(t0); |
| tcg_temp_free(t1); |
| tcg_temp_free(t2); |
| tcg_temp_free(a0); |
| } |
| |
| static void gen_shift(DisasContext *s1, int op, int ot, int d, int s) |
| { |
| if (s != OR_TMP1) |
| gen_op_mov_TN_reg(ot, 1, s); |
| switch(op) { |
| case OP_ROL: |
| gen_rot_rm_T1(s1, ot, d, 0); |
| break; |
| case OP_ROR: |
| gen_rot_rm_T1(s1, ot, d, 1); |
| break; |
| case OP_SHL: |
| case OP_SHL1: |
| gen_shift_rm_T1(s1, ot, d, 0, 0); |
| break; |
| case OP_SHR: |
| gen_shift_rm_T1(s1, ot, d, 1, 0); |
| break; |
| case OP_SAR: |
| gen_shift_rm_T1(s1, ot, d, 1, 1); |
| break; |
| case OP_RCL: |
| gen_rotc_rm_T1(s1, ot, d, 0); |
| break; |
| case OP_RCR: |
| gen_rotc_rm_T1(s1, ot, d, 1); |
| break; |
| } |
| } |
| |
| static void gen_shifti(DisasContext *s1, int op, int ot, int d, int c) |
| { |
| switch(op) { |
| case OP_SHL: |
| case OP_SHL1: |
| gen_shift_rm_im(s1, ot, d, c, 0, 0); |
| break; |
| case OP_SHR: |
| gen_shift_rm_im(s1, ot, d, c, 1, 0); |
| break; |
| case OP_SAR: |
| gen_shift_rm_im(s1, ot, d, c, 1, 1); |
| break; |
| default: |
| /* currently not optimized */ |
| gen_op_movl_T1_im(c); |
| gen_shift(s1, op, ot, d, OR_TMP1); |
| break; |
| } |
| } |
| |
| static void gen_lea_modrm(DisasContext *s, int modrm, int *reg_ptr, int *offset_ptr) |
| { |
| target_long disp; |
| int havesib; |
| int base; |
| int index; |
| int scale; |
| int opreg; |
| int mod, rm, code, override, must_add_seg; |
| |
| override = s->override; |
| must_add_seg = s->addseg; |
| if (override >= 0) |
| must_add_seg = 1; |
| mod = (modrm >> 6) & 3; |
| rm = modrm & 7; |
| |
| if (s->aflag) { |
| |
| havesib = 0; |
| base = rm; |
| index = 0; |
| scale = 0; |
| |
| if (base == 4) { |
| havesib = 1; |
| code = ldub_code(s->pc++); |
| scale = (code >> 6) & 3; |
| index = ((code >> 3) & 7) | REX_X(s); |
| base = (code & 7); |
| } |
| base |= REX_B(s); |
| |
| switch (mod) { |
| case 0: |
| if ((base & 7) == 5) { |
| base = -1; |
| disp = (int32_t)ldl_code(s->pc); |
| s->pc += 4; |
| if (CODE64(s) && !havesib) { |
| disp += s->pc + s->rip_offset; |
| } |
| } else { |
| disp = 0; |
| } |
| break; |
| case 1: |
| disp = (int8_t)ldub_code(s->pc++); |
| break; |
| default: |
| case 2: |
| disp = ldl_code(s->pc); |
| s->pc += 4; |
| break; |
| } |
| |
| if (base >= 0) { |
| /* for correct popl handling with esp */ |
| if (base == 4 && s->popl_esp_hack) |
| disp += s->popl_esp_hack; |
| #ifdef TARGET_X86_64 |
| if (s->aflag == 2) { |
| gen_op_movq_A0_reg(base); |
| if (disp != 0) { |
| gen_op_addq_A0_im(disp); |
| } |
| } else |
| #endif |
| { |
| gen_op_movl_A0_reg(base); |
| if (disp != 0) |
| gen_op_addl_A0_im(disp); |
| } |
| } else { |
| #ifdef TARGET_X86_64 |
| if (s->aflag == 2) { |
| gen_op_movq_A0_im(disp); |
| } else |
| #endif |
| { |
| gen_op_movl_A0_im(disp); |
| } |
| } |
| /* XXX: index == 4 is always invalid */ |
| if (havesib && (index != 4 || scale != 0)) { |
| #ifdef TARGET_X86_64 |
| if (s->aflag == 2) { |
| gen_op_addq_A0_reg_sN(scale, index); |
| } else |
| #endif |
| { |
| gen_op_addl_A0_reg_sN(scale, index); |
| } |
| } |
| if (must_add_seg) { |
| if (override < 0) { |
| if (base == R_EBP || base == R_ESP) |
| override = R_SS; |
| else |
| override = R_DS; |
| } |
| #ifdef TARGET_X86_64 |
| if (s->aflag == 2) { |
| gen_op_addq_A0_seg(override); |
| } else |
| #endif |
| { |
| gen_op_addl_A0_seg(override); |
| } |
| } |
| } else { |
| switch (mod) { |
| case 0: |
| if (rm == 6) { |
| disp = lduw_code(s->pc); |
| s->pc += 2; |
| gen_op_movl_A0_im(disp); |
| rm = 0; /* avoid SS override */ |
| goto no_rm; |
| } else { |
| disp = 0; |
| } |
| break; |
| case 1: |
| disp = (int8_t)ldub_code(s->pc++); |
| break; |
| default: |
| case 2: |
| disp = lduw_code(s->pc); |
| s->pc += 2; |
| break; |
| } |
| switch(rm) { |
| case 0: |
| gen_op_movl_A0_reg(R_EBX); |
| gen_op_addl_A0_reg_sN(0, R_ESI); |
| break; |
| case 1: |
| gen_op_movl_A0_reg(R_EBX); |
| gen_op_addl_A0_reg_sN(0, R_EDI); |
| break; |
| case 2: |
| gen_op_movl_A0_reg(R_EBP); |
| gen_op_addl_A0_reg_sN(0, R_ESI); |
| break; |
| case 3: |
| gen_op_movl_A0_reg(R_EBP); |
| gen_op_addl_A0_reg_sN(0, R_EDI); |
| break; |
| case 4: |
| gen_op_movl_A0_reg(R_ESI); |
| break; |
| case 5: |
| gen_op_movl_A0_reg(R_EDI); |
| break; |
| case 6: |
| gen_op_movl_A0_reg(R_EBP); |
| break; |
| default: |
| case 7: |
| gen_op_movl_A0_reg(R_EBX); |
| break; |
| } |
| if (disp != 0) |
| gen_op_addl_A0_im(disp); |
| gen_op_andl_A0_ffff(); |
| no_rm: |
| if (must_add_seg) { |
| if (override < 0) { |
| if (rm == 2 || rm == 3 || rm == 6) |
| override = R_SS; |
| else |
| override = R_DS; |
| } |
| gen_op_addl_A0_seg(override); |
| } |
| } |
| |
| opreg = OR_A0; |
| disp = 0; |
| *reg_ptr = opreg; |
| *offset_ptr = disp; |
| } |
| |
| static void gen_nop_modrm(DisasContext *s, int modrm) |
| { |
| int mod, rm, base, code; |
| |
| mod = (modrm >> 6) & 3; |
| if (mod == 3) |
| return; |
| rm = modrm & 7; |
| |
| if (s->aflag) { |
| |
| base = rm; |
| |
| if (base == 4) { |
| code = ldub_code(s->pc++); |
| base = (code & 7); |
| } |
| |
| switch (mod) { |
| case 0: |
| if (base == 5) { |
| s->pc += 4; |
| } |
| break; |
| case 1: |
| s->pc++; |
| break; |
| default: |
| case 2: |
| s->pc += 4; |
| break; |
| } |
| } else { |
| switch (mod) { |
| case 0: |
| if (rm == 6) { |
| s->pc += 2; |
| } |
| break; |
| case 1: |
| s->pc++; |
| break; |
| default: |
| case 2: |
| s->pc += 2; |
| break; |
| } |
| } |
| } |
| |
| /* used for LEA and MOV AX, mem */ |
| static void gen_add_A0_ds_seg(DisasContext *s) |
| { |
| int override, must_add_seg; |
| must_add_seg = s->addseg; |
| override = R_DS; |
| if (s->override >= 0) { |
| override = s->override; |
| must_add_seg = 1; |
| } else { |
| override = R_DS; |
| } |
| if (must_add_seg) { |
| #ifdef TARGET_X86_64 |
| if (CODE64(s)) { |
| gen_op_addq_A0_seg(override); |
| } else |
| #endif |
| { |
| gen_op_addl_A0_seg(override); |
| } |
| } |
| } |
| |
| /* generate modrm memory load or store of 'reg'. TMP0 is used if reg != |
| OR_TMP0 */ |
| static void gen_ldst_modrm(DisasContext *s, int modrm, int ot, int reg, int is_store) |
| { |
| int mod, rm, opreg, disp; |
| |
| mod = (modrm >> 6) & 3; |
| rm = (modrm & 7) | REX_B(s); |
| if (mod == 3) { |
| if (is_store) { |
| if (reg != OR_TMP0) |
| gen_op_mov_TN_reg(ot, 0, reg); |
| gen_op_mov_reg_T0(ot, rm); |
| } else { |
| gen_op_mov_TN_reg(ot, 0, rm); |
| if (reg != OR_TMP0) |
| gen_op_mov_reg_T0(ot, reg); |
| } |
| } else { |
| gen_lea_modrm(s, modrm, &opreg, &disp); |
| if (is_store) { |
| if (reg != OR_TMP0) |
| gen_op_mov_TN_reg(ot, 0, reg); |
| gen_op_st_T0_A0(ot + s->mem_index); |
| } else { |
| gen_op_ld_T0_A0(ot + s->mem_index); |
| if (reg != OR_TMP0) |
| gen_op_mov_reg_T0(ot, reg); |
| } |
| } |
| } |
| |
| static inline uint32_t insn_get(DisasContext *s, int ot) |
| { |
| uint32_t ret; |
| |
| switch(ot) { |
| case OT_BYTE: |
| ret = ldub_code(s->pc); |
| s->pc++; |
| break; |
| case OT_WORD: |
| ret = lduw_code(s->pc); |
| s->pc += 2; |
| break; |
| default: |
| case OT_LONG: |
| ret = ldl_code(s->pc); |
| s->pc += 4; |
| break; |
| } |
| return ret; |
| } |
| |
| static inline int insn_const_size(unsigned int ot) |
| { |
| if (ot <= OT_LONG) |
| return 1 << ot; |
| else |
| return 4; |
| } |
| |
| static inline void gen_goto_tb(DisasContext *s, int tb_num, target_ulong eip) |
| { |
| TranslationBlock *tb; |
| target_ulong pc; |
| |
| pc = s->cs_base + eip; |
| tb = s->tb; |
| /* NOTE: we handle the case where the TB spans two pages here */ |
| if ((pc & TARGET_PAGE_MASK) == (tb->pc & TARGET_PAGE_MASK) || |
| (pc & TARGET_PAGE_MASK) == ((s->pc - 1) & TARGET_PAGE_MASK)) { |
| /* jump to same page: we can use a direct jump */ |
| tcg_gen_goto_tb(tb_num); |
| gen_jmp_im(eip); |
| tcg_gen_exit_tb((long)tb + tb_num); |
| } else { |
| /* jump to another page: currently not optimized */ |
| gen_jmp_im(eip); |
| gen_eob(s); |
| } |
| } |
| |
| static inline void gen_jcc(DisasContext *s, int b, |
| target_ulong val, target_ulong next_eip) |
| { |
| int l1, l2, cc_op; |
| |
| cc_op = s->cc_op; |
| if (s->cc_op != CC_OP_DYNAMIC) { |
| gen_op_set_cc_op(s->cc_op); |
| s->cc_op = CC_OP_DYNAMIC; |
| } |
| if (s->jmp_opt) { |
| l1 = gen_new_label(); |
| gen_jcc1(s, cc_op, b, l1); |
| |
| gen_goto_tb(s, 0, next_eip); |
| |
| gen_set_label(l1); |
| gen_goto_tb(s, 1, val); |
| s->is_jmp = 3; |
| } else { |
| |
| l1 = gen_new_label(); |
| l2 = gen_new_label(); |
| gen_jcc1(s, cc_op, b, l1); |
| |
| gen_jmp_im(next_eip); |
| tcg_gen_br(l2); |
| |
| gen_set_label(l1); |
| gen_jmp_im(val); |
| gen_set_label(l2); |
| gen_eob(s); |
| } |
| } |
| |
| static void gen_setcc(DisasContext *s, int b) |
| { |
| int inv, jcc_op, l1; |
| TCGv t0; |
| |
| if (is_fast_jcc_case(s, b)) { |
| /* nominal case: we use a jump */ |
| /* XXX: make it faster by adding new instructions in TCG */ |
| t0 = tcg_temp_local_new(TCG_TYPE_TL); |
| tcg_gen_movi_tl(t0, 0); |
| l1 = gen_new_label(); |
| gen_jcc1(s, s->cc_op, b ^ 1, l1); |
| tcg_gen_movi_tl(t0, 1); |
| gen_set_label(l1); |
| tcg_gen_mov_tl(cpu_T[0], t0); |
| tcg_temp_free(t0); |
| } else { |
| /* slow case: it is more efficient not to generate a jump, |
| although it is questionnable whether this optimization is |
| worth to */ |
| inv = b & 1; |
| jcc_op = (b >> 1) & 7; |
| gen_setcc_slow_T0(s, jcc_op); |
| if (inv) { |
| tcg_gen_xori_tl(cpu_T[0], cpu_T[0], 1); |
| } |
| } |
| } |
| |
| static inline void gen_op_movl_T0_seg(int seg_reg) |
| { |
| tcg_gen_ld32u_tl(cpu_T[0], cpu_env, |
| offsetof(CPUX86State,segs[seg_reg].selector)); |
| } |
| |
| static inline void gen_op_movl_seg_T0_vm(int seg_reg) |
| { |
| tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xffff); |
| tcg_gen_st32_tl(cpu_T[0], cpu_env, |
| offsetof(CPUX86State,segs[seg_reg].selector)); |
| tcg_gen_shli_tl(cpu_T[0], cpu_T[0], 4); |
| tcg_gen_st_tl(cpu_T[0], cpu_env, |
| offsetof(CPUX86State,segs[seg_reg].base)); |
| } |
| |
| /* move T0 to seg_reg and compute if the CPU state may change. Never |
| call this function with seg_reg == R_CS */ |
| static void gen_movl_seg_T0(DisasContext *s, int seg_reg, target_ulong cur_eip) |
| { |
| if (s->pe && !s->vm86) { |
| /* XXX: optimize by finding processor state dynamically */ |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(cur_eip); |
| tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]); |
| tcg_gen_helper_0_2(helper_load_seg, tcg_const_i32(seg_reg), cpu_tmp2_i32); |
| /* abort translation because the addseg value may change or |
| because ss32 may change. For R_SS, translation must always |
| stop as a special handling must be done to disable hardware |
| interrupts for the next instruction */ |
| if (seg_reg == R_SS || (s->code32 && seg_reg < R_FS)) |
| s->is_jmp = 3; |
| } else { |
| gen_op_movl_seg_T0_vm(seg_reg); |
| if (seg_reg == R_SS) |
| s->is_jmp = 3; |
| } |
| } |
| |
| static inline int svm_is_rep(int prefixes) |
| { |
| return ((prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) ? 8 : 0); |
| } |
| |
| static inline void |
| gen_svm_check_intercept_param(DisasContext *s, target_ulong pc_start, |
| uint32_t type, uint64_t param) |
| { |
| /* no SVM activated; fast case */ |
| if (likely(!(s->flags & HF_SVMI_MASK))) |
| return; |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_2(helper_svm_check_intercept_param, |
| tcg_const_i32(type), tcg_const_i64(param)); |
| } |
| |
| static inline void |
| gen_svm_check_intercept(DisasContext *s, target_ulong pc_start, uint64_t type) |
| { |
| gen_svm_check_intercept_param(s, pc_start, type, 0); |
| } |
| |
| static inline void gen_stack_update(DisasContext *s, int addend) |
| { |
| #ifdef TARGET_X86_64 |
| if (CODE64(s)) { |
| gen_op_add_reg_im(2, R_ESP, addend); |
| } else |
| #endif |
| if (s->ss32) { |
| gen_op_add_reg_im(1, R_ESP, addend); |
| } else { |
| gen_op_add_reg_im(0, R_ESP, addend); |
| } |
| } |
| |
| /* generate a push. It depends on ss32, addseg and dflag */ |
| static void gen_push_T0(DisasContext *s) |
| { |
| #ifdef TARGET_X86_64 |
| if (CODE64(s)) { |
| gen_op_movq_A0_reg(R_ESP); |
| if (s->dflag) { |
| gen_op_addq_A0_im(-8); |
| gen_op_st_T0_A0(OT_QUAD + s->mem_index); |
| } else { |
| gen_op_addq_A0_im(-2); |
| gen_op_st_T0_A0(OT_WORD + s->mem_index); |
| } |
| gen_op_mov_reg_A0(2, R_ESP); |
| } else |
| #endif |
| { |
| gen_op_movl_A0_reg(R_ESP); |
| if (!s->dflag) |
| gen_op_addl_A0_im(-2); |
| else |
| gen_op_addl_A0_im(-4); |
| if (s->ss32) { |
| if (s->addseg) { |
| tcg_gen_mov_tl(cpu_T[1], cpu_A0); |
| gen_op_addl_A0_seg(R_SS); |
| } |
| } else { |
| gen_op_andl_A0_ffff(); |
| tcg_gen_mov_tl(cpu_T[1], cpu_A0); |
| gen_op_addl_A0_seg(R_SS); |
| } |
| gen_op_st_T0_A0(s->dflag + 1 + s->mem_index); |
| if (s->ss32 && !s->addseg) |
| gen_op_mov_reg_A0(1, R_ESP); |
| else |
| gen_op_mov_reg_T1(s->ss32 + 1, R_ESP); |
| } |
| } |
| |
| /* generate a push. It depends on ss32, addseg and dflag */ |
| /* slower version for T1, only used for call Ev */ |
| static void gen_push_T1(DisasContext *s) |
| { |
| #ifdef TARGET_X86_64 |
| if (CODE64(s)) { |
| gen_op_movq_A0_reg(R_ESP); |
| if (s->dflag) { |
| gen_op_addq_A0_im(-8); |
| gen_op_st_T1_A0(OT_QUAD + s->mem_index); |
| } else { |
| gen_op_addq_A0_im(-2); |
| gen_op_st_T0_A0(OT_WORD + s->mem_index); |
| } |
| gen_op_mov_reg_A0(2, R_ESP); |
| } else |
| #endif |
| { |
| gen_op_movl_A0_reg(R_ESP); |
| if (!s->dflag) |
| gen_op_addl_A0_im(-2); |
| else |
| gen_op_addl_A0_im(-4); |
| if (s->ss32) { |
| if (s->addseg) { |
| gen_op_addl_A0_seg(R_SS); |
| } |
| } else { |
| gen_op_andl_A0_ffff(); |
| gen_op_addl_A0_seg(R_SS); |
| } |
| gen_op_st_T1_A0(s->dflag + 1 + s->mem_index); |
| |
| if (s->ss32 && !s->addseg) |
| gen_op_mov_reg_A0(1, R_ESP); |
| else |
| gen_stack_update(s, (-2) << s->dflag); |
| } |
| } |
| |
| /* two step pop is necessary for precise exceptions */ |
| static void gen_pop_T0(DisasContext *s) |
| { |
| #ifdef TARGET_X86_64 |
| if (CODE64(s)) { |
| gen_op_movq_A0_reg(R_ESP); |
| gen_op_ld_T0_A0((s->dflag ? OT_QUAD : OT_WORD) + s->mem_index); |
| } else |
| #endif |
| { |
| gen_op_movl_A0_reg(R_ESP); |
| if (s->ss32) { |
| if (s->addseg) |
| gen_op_addl_A0_seg(R_SS); |
| } else { |
| gen_op_andl_A0_ffff(); |
| gen_op_addl_A0_seg(R_SS); |
| } |
| gen_op_ld_T0_A0(s->dflag + 1 + s->mem_index); |
| } |
| } |
| |
| static void gen_pop_update(DisasContext *s) |
| { |
| #ifdef TARGET_X86_64 |
| if (CODE64(s) && s->dflag) { |
| gen_stack_update(s, 8); |
| } else |
| #endif |
| { |
| gen_stack_update(s, 2 << s->dflag); |
| } |
| } |
| |
| static void gen_stack_A0(DisasContext *s) |
| { |
| gen_op_movl_A0_reg(R_ESP); |
| if (!s->ss32) |
| gen_op_andl_A0_ffff(); |
| tcg_gen_mov_tl(cpu_T[1], cpu_A0); |
| if (s->addseg) |
| gen_op_addl_A0_seg(R_SS); |
| } |
| |
| /* NOTE: wrap around in 16 bit not fully handled */ |
| static void gen_pusha(DisasContext *s) |
| { |
| int i; |
| gen_op_movl_A0_reg(R_ESP); |
| gen_op_addl_A0_im(-16 << s->dflag); |
| if (!s->ss32) |
| gen_op_andl_A0_ffff(); |
| tcg_gen_mov_tl(cpu_T[1], cpu_A0); |
| if (s->addseg) |
| gen_op_addl_A0_seg(R_SS); |
| for(i = 0;i < 8; i++) { |
| gen_op_mov_TN_reg(OT_LONG, 0, 7 - i); |
| gen_op_st_T0_A0(OT_WORD + s->dflag + s->mem_index); |
| gen_op_addl_A0_im(2 << s->dflag); |
| } |
| gen_op_mov_reg_T1(OT_WORD + s->ss32, R_ESP); |
| } |
| |
| /* NOTE: wrap around in 16 bit not fully handled */ |
| static void gen_popa(DisasContext *s) |
| { |
| int i; |
| gen_op_movl_A0_reg(R_ESP); |
| if (!s->ss32) |
| gen_op_andl_A0_ffff(); |
| tcg_gen_mov_tl(cpu_T[1], cpu_A0); |
| tcg_gen_addi_tl(cpu_T[1], cpu_T[1], 16 << s->dflag); |
| if (s->addseg) |
| gen_op_addl_A0_seg(R_SS); |
| for(i = 0;i < 8; i++) { |
| /* ESP is not reloaded */ |
| if (i != 3) { |
| gen_op_ld_T0_A0(OT_WORD + s->dflag + s->mem_index); |
| gen_op_mov_reg_T0(OT_WORD + s->dflag, 7 - i); |
| } |
| gen_op_addl_A0_im(2 << s->dflag); |
| } |
| gen_op_mov_reg_T1(OT_WORD + s->ss32, R_ESP); |
| } |
| |
| static void gen_enter(DisasContext *s, int esp_addend, int level) |
| { |
| int ot, opsize; |
| |
| level &= 0x1f; |
| #ifdef TARGET_X86_64 |
| if (CODE64(s)) { |
| ot = s->dflag ? OT_QUAD : OT_WORD; |
| opsize = 1 << ot; |
| |
| gen_op_movl_A0_reg(R_ESP); |
| gen_op_addq_A0_im(-opsize); |
| tcg_gen_mov_tl(cpu_T[1], cpu_A0); |
| |
| /* push bp */ |
| gen_op_mov_TN_reg(OT_LONG, 0, R_EBP); |
| gen_op_st_T0_A0(ot + s->mem_index); |
| if (level) { |
| /* XXX: must save state */ |
| tcg_gen_helper_0_3(helper_enter64_level, |
| tcg_const_i32(level), |
| tcg_const_i32((ot == OT_QUAD)), |
| cpu_T[1]); |
| } |
| gen_op_mov_reg_T1(ot, R_EBP); |
| tcg_gen_addi_tl(cpu_T[1], cpu_T[1], -esp_addend + (-opsize * level)); |
| gen_op_mov_reg_T1(OT_QUAD, R_ESP); |
| } else |
| #endif |
| { |
| ot = s->dflag + OT_WORD; |
| opsize = 2 << s->dflag; |
| |
| gen_op_movl_A0_reg(R_ESP); |
| gen_op_addl_A0_im(-opsize); |
| if (!s->ss32) |
| gen_op_andl_A0_ffff(); |
| tcg_gen_mov_tl(cpu_T[1], cpu_A0); |
| if (s->addseg) |
| gen_op_addl_A0_seg(R_SS); |
| /* push bp */ |
| gen_op_mov_TN_reg(OT_LONG, 0, R_EBP); |
| gen_op_st_T0_A0(ot + s->mem_index); |
| if (level) { |
| /* XXX: must save state */ |
| tcg_gen_helper_0_3(helper_enter_level, |
| tcg_const_i32(level), |
| tcg_const_i32(s->dflag), |
| cpu_T[1]); |
| } |
| gen_op_mov_reg_T1(ot, R_EBP); |
| tcg_gen_addi_tl(cpu_T[1], cpu_T[1], -esp_addend + (-opsize * level)); |
| gen_op_mov_reg_T1(OT_WORD + s->ss32, R_ESP); |
| } |
| } |
| |
| static void gen_exception(DisasContext *s, int trapno, target_ulong cur_eip) |
| { |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(cur_eip); |
| tcg_gen_helper_0_1(helper_raise_exception, tcg_const_i32(trapno)); |
| s->is_jmp = 3; |
| } |
| |
| /* an interrupt is different from an exception because of the |
| privilege checks */ |
| static void gen_interrupt(DisasContext *s, int intno, |
| target_ulong cur_eip, target_ulong next_eip) |
| { |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(cur_eip); |
| tcg_gen_helper_0_2(helper_raise_interrupt, |
| tcg_const_i32(intno), |
| tcg_const_i32(next_eip - cur_eip)); |
| s->is_jmp = 3; |
| } |
| |
| static void gen_debug(DisasContext *s, target_ulong cur_eip) |
| { |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(cur_eip); |
| tcg_gen_helper_0_0(helper_debug); |
| s->is_jmp = 3; |
| } |
| |
| /* generate a generic end of block. Trace exception is also generated |
| if needed */ |
| static void gen_eob(DisasContext *s) |
| { |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| if (s->tb->flags & HF_INHIBIT_IRQ_MASK) { |
| tcg_gen_helper_0_0(helper_reset_inhibit_irq); |
| } |
| if (s->singlestep_enabled) { |
| tcg_gen_helper_0_0(helper_debug); |
| } else if (s->tf) { |
| tcg_gen_helper_0_0(helper_single_step); |
| } else { |
| tcg_gen_exit_tb(0); |
| } |
| s->is_jmp = 3; |
| } |
| |
| /* generate a jump to eip. No segment change must happen before as a |
| direct call to the next block may occur */ |
| static void gen_jmp_tb(DisasContext *s, target_ulong eip, int tb_num) |
| { |
| if (s->jmp_opt) { |
| if (s->cc_op != CC_OP_DYNAMIC) { |
| gen_op_set_cc_op(s->cc_op); |
| s->cc_op = CC_OP_DYNAMIC; |
| } |
| gen_goto_tb(s, tb_num, eip); |
| s->is_jmp = 3; |
| } else { |
| gen_jmp_im(eip); |
| gen_eob(s); |
| } |
| } |
| |
| static void gen_jmp(DisasContext *s, target_ulong eip) |
| { |
| gen_jmp_tb(s, eip, 0); |
| } |
| |
| static inline void gen_ldq_env_A0(int idx, int offset) |
| { |
| int mem_index = (idx >> 2) - 1; |
| tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0, mem_index); |
| tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, offset); |
| } |
| |
| static inline void gen_stq_env_A0(int idx, int offset) |
| { |
| int mem_index = (idx >> 2) - 1; |
| tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, offset); |
| tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0, mem_index); |
| } |
| |
| static inline void gen_ldo_env_A0(int idx, int offset) |
| { |
| int mem_index = (idx >> 2) - 1; |
| tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0, mem_index); |
| tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(XMMReg, XMM_Q(0))); |
| tcg_gen_addi_tl(cpu_tmp0, cpu_A0, 8); |
| tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_tmp0, mem_index); |
| tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(XMMReg, XMM_Q(1))); |
| } |
| |
| static inline void gen_sto_env_A0(int idx, int offset) |
| { |
| int mem_index = (idx >> 2) - 1; |
| tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(XMMReg, XMM_Q(0))); |
| tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0, mem_index); |
| tcg_gen_addi_tl(cpu_tmp0, cpu_A0, 8); |
| tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(XMMReg, XMM_Q(1))); |
| tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_tmp0, mem_index); |
| } |
| |
| static inline void gen_op_movo(int d_offset, int s_offset) |
| { |
| tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, s_offset); |
| tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset); |
| tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, s_offset + 8); |
| tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset + 8); |
| } |
| |
| static inline void gen_op_movq(int d_offset, int s_offset) |
| { |
| tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, s_offset); |
| tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset); |
| } |
| |
| static inline void gen_op_movl(int d_offset, int s_offset) |
| { |
| tcg_gen_ld_i32(cpu_tmp2_i32, cpu_env, s_offset); |
| tcg_gen_st_i32(cpu_tmp2_i32, cpu_env, d_offset); |
| } |
| |
| static inline void gen_op_movq_env_0(int d_offset) |
| { |
| tcg_gen_movi_i64(cpu_tmp1_i64, 0); |
| tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset); |
| } |
| |
| #define SSE_SPECIAL ((void *)1) |
| #define SSE_DUMMY ((void *)2) |
| |
| #define MMX_OP2(x) { helper_ ## x ## _mmx, helper_ ## x ## _xmm } |
| #define SSE_FOP(x) { helper_ ## x ## ps, helper_ ## x ## pd, \ |
| helper_ ## x ## ss, helper_ ## x ## sd, } |
| |
| static void *sse_op_table1[256][4] = { |
| /* 3DNow! extensions */ |
| [0x0e] = { SSE_DUMMY }, /* femms */ |
| [0x0f] = { SSE_DUMMY }, /* pf... */ |
| /* pure SSE operations */ |
| [0x10] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movups, movupd, movss, movsd */ |
| [0x11] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movups, movupd, movss, movsd */ |
| [0x12] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movlps, movlpd, movsldup, movddup */ |
| [0x13] = { SSE_SPECIAL, SSE_SPECIAL }, /* movlps, movlpd */ |
| [0x14] = { helper_punpckldq_xmm, helper_punpcklqdq_xmm }, |
| [0x15] = { helper_punpckhdq_xmm, helper_punpckhqdq_xmm }, |
| [0x16] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movhps, movhpd, movshdup */ |
| [0x17] = { SSE_SPECIAL, SSE_SPECIAL }, /* movhps, movhpd */ |
| |
| [0x28] = { SSE_SPECIAL, SSE_SPECIAL }, /* movaps, movapd */ |
| [0x29] = { SSE_SPECIAL, SSE_SPECIAL }, /* movaps, movapd */ |
| [0x2a] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvtpi2ps, cvtpi2pd, cvtsi2ss, cvtsi2sd */ |
| [0x2b] = { SSE_SPECIAL, SSE_SPECIAL }, /* movntps, movntpd */ |
| [0x2c] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvttps2pi, cvttpd2pi, cvttsd2si, cvttss2si */ |
| [0x2d] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvtps2pi, cvtpd2pi, cvtsd2si, cvtss2si */ |
| [0x2e] = { helper_ucomiss, helper_ucomisd }, |
| [0x2f] = { helper_comiss, helper_comisd }, |
| [0x50] = { SSE_SPECIAL, SSE_SPECIAL }, /* movmskps, movmskpd */ |
| [0x51] = SSE_FOP(sqrt), |
| [0x52] = { helper_rsqrtps, NULL, helper_rsqrtss, NULL }, |
| [0x53] = { helper_rcpps, NULL, helper_rcpss, NULL }, |
| [0x54] = { helper_pand_xmm, helper_pand_xmm }, /* andps, andpd */ |
| [0x55] = { helper_pandn_xmm, helper_pandn_xmm }, /* andnps, andnpd */ |
| [0x56] = { helper_por_xmm, helper_por_xmm }, /* orps, orpd */ |
| [0x57] = { helper_pxor_xmm, helper_pxor_xmm }, /* xorps, xorpd */ |
| [0x58] = SSE_FOP(add), |
| [0x59] = SSE_FOP(mul), |
| [0x5a] = { helper_cvtps2pd, helper_cvtpd2ps, |
| helper_cvtss2sd, helper_cvtsd2ss }, |
| [0x5b] = { helper_cvtdq2ps, helper_cvtps2dq, helper_cvttps2dq }, |
| [0x5c] = SSE_FOP(sub), |
| [0x5d] = SSE_FOP(min), |
| [0x5e] = SSE_FOP(div), |
| [0x5f] = SSE_FOP(max), |
| |
| [0xc2] = SSE_FOP(cmpeq), |
| [0xc6] = { helper_shufps, helper_shufpd }, |
| |
| /* MMX ops and their SSE extensions */ |
| [0x60] = MMX_OP2(punpcklbw), |
| [0x61] = MMX_OP2(punpcklwd), |
| [0x62] = MMX_OP2(punpckldq), |
| [0x63] = MMX_OP2(packsswb), |
| [0x64] = MMX_OP2(pcmpgtb), |
| [0x65] = MMX_OP2(pcmpgtw), |
| [0x66] = MMX_OP2(pcmpgtl), |
| [0x67] = MMX_OP2(packuswb), |
| [0x68] = MMX_OP2(punpckhbw), |
| [0x69] = MMX_OP2(punpckhwd), |
| [0x6a] = MMX_OP2(punpckhdq), |
| [0x6b] = MMX_OP2(packssdw), |
| [0x6c] = { NULL, helper_punpcklqdq_xmm }, |
| [0x6d] = { NULL, helper_punpckhqdq_xmm }, |
| [0x6e] = { SSE_SPECIAL, SSE_SPECIAL }, /* movd mm, ea */ |
| [0x6f] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movq, movdqa, , movqdu */ |
| [0x70] = { helper_pshufw_mmx, |
| helper_pshufd_xmm, |
| helper_pshufhw_xmm, |
| helper_pshuflw_xmm }, |
| [0x71] = { SSE_SPECIAL, SSE_SPECIAL }, /* shiftw */ |
| [0x72] = { SSE_SPECIAL, SSE_SPECIAL }, /* shiftd */ |
| [0x73] = { SSE_SPECIAL, SSE_SPECIAL }, /* shiftq */ |
| [0x74] = MMX_OP2(pcmpeqb), |
| [0x75] = MMX_OP2(pcmpeqw), |
| [0x76] = MMX_OP2(pcmpeql), |
| [0x77] = { SSE_DUMMY }, /* emms */ |
| [0x7c] = { NULL, helper_haddpd, NULL, helper_haddps }, |
| [0x7d] = { NULL, helper_hsubpd, NULL, helper_hsubps }, |
| [0x7e] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movd, movd, , movq */ |
| [0x7f] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movq, movdqa, movdqu */ |
| [0xc4] = { SSE_SPECIAL, SSE_SPECIAL }, /* pinsrw */ |
| [0xc5] = { SSE_SPECIAL, SSE_SPECIAL }, /* pextrw */ |
| [0xd0] = { NULL, helper_addsubpd, NULL, helper_addsubps }, |
| [0xd1] = MMX_OP2(psrlw), |
| [0xd2] = MMX_OP2(psrld), |
| [0xd3] = MMX_OP2(psrlq), |
| [0xd4] = MMX_OP2(paddq), |
| [0xd5] = MMX_OP2(pmullw), |
| [0xd6] = { NULL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, |
| [0xd7] = { SSE_SPECIAL, SSE_SPECIAL }, /* pmovmskb */ |
| [0xd8] = MMX_OP2(psubusb), |
| [0xd9] = MMX_OP2(psubusw), |
| [0xda] = MMX_OP2(pminub), |
| [0xdb] = MMX_OP2(pand), |
| [0xdc] = MMX_OP2(paddusb), |
| [0xdd] = MMX_OP2(paddusw), |
| [0xde] = MMX_OP2(pmaxub), |
| [0xdf] = MMX_OP2(pandn), |
| [0xe0] = MMX_OP2(pavgb), |
| [0xe1] = MMX_OP2(psraw), |
| [0xe2] = MMX_OP2(psrad), |
| [0xe3] = MMX_OP2(pavgw), |
| [0xe4] = MMX_OP2(pmulhuw), |
| [0xe5] = MMX_OP2(pmulhw), |
| [0xe6] = { NULL, helper_cvttpd2dq, helper_cvtdq2pd, helper_cvtpd2dq }, |
| [0xe7] = { SSE_SPECIAL , SSE_SPECIAL }, /* movntq, movntq */ |
| [0xe8] = MMX_OP2(psubsb), |
| [0xe9] = MMX_OP2(psubsw), |
| [0xea] = MMX_OP2(pminsw), |
| [0xeb] = MMX_OP2(por), |
| [0xec] = MMX_OP2(paddsb), |
| [0xed] = MMX_OP2(paddsw), |
| [0xee] = MMX_OP2(pmaxsw), |
| [0xef] = MMX_OP2(pxor), |
| [0xf0] = { NULL, NULL, NULL, SSE_SPECIAL }, /* lddqu */ |
| [0xf1] = MMX_OP2(psllw), |
| [0xf2] = MMX_OP2(pslld), |
| [0xf3] = MMX_OP2(psllq), |
| [0xf4] = MMX_OP2(pmuludq), |
| [0xf5] = MMX_OP2(pmaddwd), |
| [0xf6] = MMX_OP2(psadbw), |
| [0xf7] = MMX_OP2(maskmov), |
| [0xf8] = MMX_OP2(psubb), |
| [0xf9] = MMX_OP2(psubw), |
| [0xfa] = MMX_OP2(psubl), |
| [0xfb] = MMX_OP2(psubq), |
| [0xfc] = MMX_OP2(paddb), |
| [0xfd] = MMX_OP2(paddw), |
| [0xfe] = MMX_OP2(paddl), |
| }; |
| |
| static void *sse_op_table2[3 * 8][2] = { |
| [0 + 2] = MMX_OP2(psrlw), |
| [0 + 4] = MMX_OP2(psraw), |
| [0 + 6] = MMX_OP2(psllw), |
| [8 + 2] = MMX_OP2(psrld), |
| [8 + 4] = MMX_OP2(psrad), |
| [8 + 6] = MMX_OP2(pslld), |
| [16 + 2] = MMX_OP2(psrlq), |
| [16 + 3] = { NULL, helper_psrldq_xmm }, |
| [16 + 6] = MMX_OP2(psllq), |
| [16 + 7] = { NULL, helper_pslldq_xmm }, |
| }; |
| |
| static void *sse_op_table3[4 * 3] = { |
| helper_cvtsi2ss, |
| helper_cvtsi2sd, |
| X86_64_ONLY(helper_cvtsq2ss), |
| X86_64_ONLY(helper_cvtsq2sd), |
| |
| helper_cvttss2si, |
| helper_cvttsd2si, |
| X86_64_ONLY(helper_cvttss2sq), |
| X86_64_ONLY(helper_cvttsd2sq), |
| |
| helper_cvtss2si, |
| helper_cvtsd2si, |
| X86_64_ONLY(helper_cvtss2sq), |
| X86_64_ONLY(helper_cvtsd2sq), |
| }; |
| |
| static void *sse_op_table4[8][4] = { |
| SSE_FOP(cmpeq), |
| SSE_FOP(cmplt), |
| SSE_FOP(cmple), |
| SSE_FOP(cmpunord), |
| SSE_FOP(cmpneq), |
| SSE_FOP(cmpnlt), |
| SSE_FOP(cmpnle), |
| SSE_FOP(cmpord), |
| }; |
| |
| static void *sse_op_table5[256] = { |
| [0x0c] = helper_pi2fw, |
| [0x0d] = helper_pi2fd, |
| [0x1c] = helper_pf2iw, |
| [0x1d] = helper_pf2id, |
| [0x8a] = helper_pfnacc, |
| [0x8e] = helper_pfpnacc, |
| [0x90] = helper_pfcmpge, |
| [0x94] = helper_pfmin, |
| [0x96] = helper_pfrcp, |
| [0x97] = helper_pfrsqrt, |
| [0x9a] = helper_pfsub, |
| [0x9e] = helper_pfadd, |
| [0xa0] = helper_pfcmpgt, |
| [0xa4] = helper_pfmax, |
| [0xa6] = helper_movq, /* pfrcpit1; no need to actually increase precision */ |
| [0xa7] = helper_movq, /* pfrsqit1 */ |
| [0xaa] = helper_pfsubr, |
| [0xae] = helper_pfacc, |
| [0xb0] = helper_pfcmpeq, |
| [0xb4] = helper_pfmul, |
| [0xb6] = helper_movq, /* pfrcpit2 */ |
| [0xb7] = helper_pmulhrw_mmx, |
| [0xbb] = helper_pswapd, |
| [0xbf] = helper_pavgb_mmx /* pavgusb */ |
| }; |
| |
| static void gen_sse(DisasContext *s, int b, target_ulong pc_start, int rex_r) |
| { |
| int b1, op1_offset, op2_offset, is_xmm, val, ot; |
| int modrm, mod, rm, reg, reg_addr, offset_addr; |
| void *sse_op2; |
| |
| b &= 0xff; |
| if (s->prefix & PREFIX_DATA) |
| b1 = 1; |
| else if (s->prefix & PREFIX_REPZ) |
| b1 = 2; |
| else if (s->prefix & PREFIX_REPNZ) |
| b1 = 3; |
| else |
| b1 = 0; |
| sse_op2 = sse_op_table1[b][b1]; |
| if (!sse_op2) |
| goto illegal_op; |
| if ((b <= 0x5f && b >= 0x10) || b == 0xc6 || b == 0xc2) { |
| is_xmm = 1; |
| } else { |
| if (b1 == 0) { |
| /* MMX case */ |
| is_xmm = 0; |
| } else { |
| is_xmm = 1; |
| } |
| } |
| /* simple MMX/SSE operation */ |
| if (s->flags & HF_TS_MASK) { |
| gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); |
| return; |
| } |
| if (s->flags & HF_EM_MASK) { |
| illegal_op: |
| gen_exception(s, EXCP06_ILLOP, pc_start - s->cs_base); |
| return; |
| } |
| if (is_xmm && !(s->flags & HF_OSFXSR_MASK)) |
| goto illegal_op; |
| if (b == 0x0e) { |
| if (!(s->cpuid_ext2_features & CPUID_EXT2_3DNOW)) |
| goto illegal_op; |
| /* femms */ |
| tcg_gen_helper_0_0(helper_emms); |
| return; |
| } |
| if (b == 0x77) { |
| /* emms */ |
| tcg_gen_helper_0_0(helper_emms); |
| return; |
| } |
| /* prepare MMX state (XXX: optimize by storing fptt and fptags in |
| the static cpu state) */ |
| if (!is_xmm) { |
| tcg_gen_helper_0_0(helper_enter_mmx); |
| } |
| |
| modrm = ldub_code(s->pc++); |
| reg = ((modrm >> 3) & 7); |
| if (is_xmm) |
| reg |= rex_r; |
| mod = (modrm >> 6) & 3; |
| if (sse_op2 == SSE_SPECIAL) { |
| b |= (b1 << 8); |
| switch(b) { |
| case 0x0e7: /* movntq */ |
| if (mod == 3) |
| goto illegal_op; |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,fpregs[reg].mmx)); |
| break; |
| case 0x1e7: /* movntdq */ |
| case 0x02b: /* movntps */ |
| case 0x12b: /* movntps */ |
| case 0x3f0: /* lddqu */ |
| if (mod == 3) |
| goto illegal_op; |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| gen_sto_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg])); |
| break; |
| case 0x6e: /* movd mm, ea */ |
| #ifdef TARGET_X86_64 |
| if (s->dflag == 2) { |
| gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 0); |
| tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,fpregs[reg].mmx)); |
| } else |
| #endif |
| { |
| gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 0); |
| tcg_gen_addi_ptr(cpu_ptr0, cpu_env, |
| offsetof(CPUX86State,fpregs[reg].mmx)); |
| tcg_gen_helper_0_2(helper_movl_mm_T0_mmx, cpu_ptr0, cpu_T[0]); |
| } |
| break; |
| case 0x16e: /* movd xmm, ea */ |
| #ifdef TARGET_X86_64 |
| if (s->dflag == 2) { |
| gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 0); |
| tcg_gen_addi_ptr(cpu_ptr0, cpu_env, |
| offsetof(CPUX86State,xmm_regs[reg])); |
| tcg_gen_helper_0_2(helper_movq_mm_T0_xmm, cpu_ptr0, cpu_T[0]); |
| } else |
| #endif |
| { |
| gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 0); |
| tcg_gen_addi_ptr(cpu_ptr0, cpu_env, |
| offsetof(CPUX86State,xmm_regs[reg])); |
| tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]); |
| tcg_gen_helper_0_2(helper_movl_mm_T0_xmm, cpu_ptr0, cpu_tmp2_i32); |
| } |
| break; |
| case 0x6f: /* movq mm, ea */ |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,fpregs[reg].mmx)); |
| } else { |
| rm = (modrm & 7); |
| tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, |
| offsetof(CPUX86State,fpregs[rm].mmx)); |
| tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, |
| offsetof(CPUX86State,fpregs[reg].mmx)); |
| } |
| break; |
| case 0x010: /* movups */ |
| case 0x110: /* movupd */ |
| case 0x028: /* movaps */ |
| case 0x128: /* movapd */ |
| case 0x16f: /* movdqa xmm, ea */ |
| case 0x26f: /* movdqu xmm, ea */ |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| gen_ldo_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg])); |
| } else { |
| rm = (modrm & 7) | REX_B(s); |
| gen_op_movo(offsetof(CPUX86State,xmm_regs[reg]), |
| offsetof(CPUX86State,xmm_regs[rm])); |
| } |
| break; |
| case 0x210: /* movss xmm, ea */ |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
| tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(0))); |
| gen_op_movl_T0_0(); |
| tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(1))); |
| tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(2))); |
| tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(3))); |
| } else { |
| rm = (modrm & 7) | REX_B(s); |
| gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)), |
| offsetof(CPUX86State,xmm_regs[rm].XMM_L(0))); |
| } |
| break; |
| case 0x310: /* movsd xmm, ea */ |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); |
| gen_op_movl_T0_0(); |
| tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(2))); |
| tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(3))); |
| } else { |
| rm = (modrm & 7) | REX_B(s); |
| gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)), |
| offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0))); |
| } |
| break; |
| case 0x012: /* movlps */ |
| case 0x112: /* movlpd */ |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); |
| } else { |
| /* movhlps */ |
| rm = (modrm & 7) | REX_B(s); |
| gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)), |
| offsetof(CPUX86State,xmm_regs[rm].XMM_Q(1))); |
| } |
| break; |
| case 0x212: /* movsldup */ |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| gen_ldo_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg])); |
| } else { |
| rm = (modrm & 7) | REX_B(s); |
| gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)), |
| offsetof(CPUX86State,xmm_regs[rm].XMM_L(0))); |
| gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(2)), |
| offsetof(CPUX86State,xmm_regs[rm].XMM_L(2))); |
| } |
| gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(1)), |
| offsetof(CPUX86State,xmm_regs[reg].XMM_L(0))); |
| gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(3)), |
| offsetof(CPUX86State,xmm_regs[reg].XMM_L(2))); |
| break; |
| case 0x312: /* movddup */ |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); |
| } else { |
| rm = (modrm & 7) | REX_B(s); |
| gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)), |
| offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0))); |
| } |
| gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)), |
| offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); |
| break; |
| case 0x016: /* movhps */ |
| case 0x116: /* movhpd */ |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1))); |
| } else { |
| /* movlhps */ |
| rm = (modrm & 7) | REX_B(s); |
| gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)), |
| offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0))); |
| } |
| break; |
| case 0x216: /* movshdup */ |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| gen_ldo_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg])); |
| } else { |
| rm = (modrm & 7) | REX_B(s); |
| gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(1)), |
| offsetof(CPUX86State,xmm_regs[rm].XMM_L(1))); |
| gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(3)), |
| offsetof(CPUX86State,xmm_regs[rm].XMM_L(3))); |
| } |
| gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)), |
| offsetof(CPUX86State,xmm_regs[reg].XMM_L(1))); |
| gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(2)), |
| offsetof(CPUX86State,xmm_regs[reg].XMM_L(3))); |
| break; |
| case 0x7e: /* movd ea, mm */ |
| #ifdef TARGET_X86_64 |
| if (s->dflag == 2) { |
| tcg_gen_ld_i64(cpu_T[0], cpu_env, |
| offsetof(CPUX86State,fpregs[reg].mmx)); |
| gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 1); |
| } else |
| #endif |
| { |
| tcg_gen_ld32u_tl(cpu_T[0], cpu_env, |
| offsetof(CPUX86State,fpregs[reg].mmx.MMX_L(0))); |
| gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 1); |
| } |
| break; |
| case 0x17e: /* movd ea, xmm */ |
| #ifdef TARGET_X86_64 |
| if (s->dflag == 2) { |
| tcg_gen_ld_i64(cpu_T[0], cpu_env, |
| offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); |
| gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 1); |
| } else |
| #endif |
| { |
| tcg_gen_ld32u_tl(cpu_T[0], cpu_env, |
| offsetof(CPUX86State,xmm_regs[reg].XMM_L(0))); |
| gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 1); |
| } |
| break; |
| case 0x27e: /* movq xmm, ea */ |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); |
| } else { |
| rm = (modrm & 7) | REX_B(s); |
| gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)), |
| offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0))); |
| } |
| gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1))); |
| break; |
| case 0x7f: /* movq ea, mm */ |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,fpregs[reg].mmx)); |
| } else { |
| rm = (modrm & 7); |
| gen_op_movq(offsetof(CPUX86State,fpregs[rm].mmx), |
| offsetof(CPUX86State,fpregs[reg].mmx)); |
| } |
| break; |
| case 0x011: /* movups */ |
| case 0x111: /* movupd */ |
| case 0x029: /* movaps */ |
| case 0x129: /* movapd */ |
| case 0x17f: /* movdqa ea, xmm */ |
| case 0x27f: /* movdqu ea, xmm */ |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| gen_sto_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg])); |
| } else { |
| rm = (modrm & 7) | REX_B(s); |
| gen_op_movo(offsetof(CPUX86State,xmm_regs[rm]), |
| offsetof(CPUX86State,xmm_regs[reg])); |
| } |
| break; |
| case 0x211: /* movss ea, xmm */ |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(0))); |
| gen_op_st_T0_A0(OT_LONG + s->mem_index); |
| } else { |
| rm = (modrm & 7) | REX_B(s); |
| gen_op_movl(offsetof(CPUX86State,xmm_regs[rm].XMM_L(0)), |
| offsetof(CPUX86State,xmm_regs[reg].XMM_L(0))); |
| } |
| break; |
| case 0x311: /* movsd ea, xmm */ |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); |
| } else { |
| rm = (modrm & 7) | REX_B(s); |
| gen_op_movq(offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)), |
| offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); |
| } |
| break; |
| case 0x013: /* movlps */ |
| case 0x113: /* movlpd */ |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); |
| } else { |
| goto illegal_op; |
| } |
| break; |
| case 0x017: /* movhps */ |
| case 0x117: /* movhpd */ |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1))); |
| } else { |
| goto illegal_op; |
| } |
| break; |
| case 0x71: /* shift mm, im */ |
| case 0x72: |
| case 0x73: |
| case 0x171: /* shift xmm, im */ |
| case 0x172: |
| case 0x173: |
| val = ldub_code(s->pc++); |
| if (is_xmm) { |
| gen_op_movl_T0_im(val); |
| tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_t0.XMM_L(0))); |
| gen_op_movl_T0_0(); |
| tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_t0.XMM_L(1))); |
| op1_offset = offsetof(CPUX86State,xmm_t0); |
| } else { |
| gen_op_movl_T0_im(val); |
| tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,mmx_t0.MMX_L(0))); |
| gen_op_movl_T0_0(); |
| tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,mmx_t0.MMX_L(1))); |
| op1_offset = offsetof(CPUX86State,mmx_t0); |
| } |
| sse_op2 = sse_op_table2[((b - 1) & 3) * 8 + (((modrm >> 3)) & 7)][b1]; |
| if (!sse_op2) |
| goto illegal_op; |
| if (is_xmm) { |
| rm = (modrm & 7) | REX_B(s); |
| op2_offset = offsetof(CPUX86State,xmm_regs[rm]); |
| } else { |
| rm = (modrm & 7); |
| op2_offset = offsetof(CPUX86State,fpregs[rm].mmx); |
| } |
| tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op2_offset); |
| tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op1_offset); |
| tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_ptr1); |
| break; |
| case 0x050: /* movmskps */ |
| rm = (modrm & 7) | REX_B(s); |
| tcg_gen_addi_ptr(cpu_ptr0, cpu_env, |
| offsetof(CPUX86State,xmm_regs[rm])); |
| tcg_gen_helper_1_1(helper_movmskps, cpu_tmp2_i32, cpu_ptr0); |
| tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32); |
| gen_op_mov_reg_T0(OT_LONG, reg); |
| break; |
| case 0x150: /* movmskpd */ |
| rm = (modrm & 7) | REX_B(s); |
| tcg_gen_addi_ptr(cpu_ptr0, cpu_env, |
| offsetof(CPUX86State,xmm_regs[rm])); |
| tcg_gen_helper_1_1(helper_movmskpd, cpu_tmp2_i32, cpu_ptr0); |
| tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32); |
| gen_op_mov_reg_T0(OT_LONG, reg); |
| break; |
| case 0x02a: /* cvtpi2ps */ |
| case 0x12a: /* cvtpi2pd */ |
| tcg_gen_helper_0_0(helper_enter_mmx); |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| op2_offset = offsetof(CPUX86State,mmx_t0); |
| gen_ldq_env_A0(s->mem_index, op2_offset); |
| } else { |
| rm = (modrm & 7); |
| op2_offset = offsetof(CPUX86State,fpregs[rm].mmx); |
| } |
| op1_offset = offsetof(CPUX86State,xmm_regs[reg]); |
| tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset); |
| tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset); |
| switch(b >> 8) { |
| case 0x0: |
| tcg_gen_helper_0_2(helper_cvtpi2ps, cpu_ptr0, cpu_ptr1); |
| break; |
| default: |
| case 0x1: |
| tcg_gen_helper_0_2(helper_cvtpi2pd, cpu_ptr0, cpu_ptr1); |
| break; |
| } |
| break; |
| case 0x22a: /* cvtsi2ss */ |
| case 0x32a: /* cvtsi2sd */ |
| ot = (s->dflag == 2) ? OT_QUAD : OT_LONG; |
| gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0); |
| op1_offset = offsetof(CPUX86State,xmm_regs[reg]); |
| tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset); |
| sse_op2 = sse_op_table3[(s->dflag == 2) * 2 + ((b >> 8) - 2)]; |
| if (ot == OT_LONG) { |
| tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]); |
| tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_tmp2_i32); |
| } else { |
| tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_T[0]); |
| } |
| break; |
| case 0x02c: /* cvttps2pi */ |
| case 0x12c: /* cvttpd2pi */ |
| case 0x02d: /* cvtps2pi */ |
| case 0x12d: /* cvtpd2pi */ |
| tcg_gen_helper_0_0(helper_enter_mmx); |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| op2_offset = offsetof(CPUX86State,xmm_t0); |
| gen_ldo_env_A0(s->mem_index, op2_offset); |
| } else { |
| rm = (modrm & 7) | REX_B(s); |
| op2_offset = offsetof(CPUX86State,xmm_regs[rm]); |
| } |
| op1_offset = offsetof(CPUX86State,fpregs[reg & 7].mmx); |
| tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset); |
| tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset); |
| switch(b) { |
| case 0x02c: |
| tcg_gen_helper_0_2(helper_cvttps2pi, cpu_ptr0, cpu_ptr1); |
| break; |
| case 0x12c: |
| tcg_gen_helper_0_2(helper_cvttpd2pi, cpu_ptr0, cpu_ptr1); |
| break; |
| case 0x02d: |
| tcg_gen_helper_0_2(helper_cvtps2pi, cpu_ptr0, cpu_ptr1); |
| break; |
| case 0x12d: |
| tcg_gen_helper_0_2(helper_cvtpd2pi, cpu_ptr0, cpu_ptr1); |
| break; |
| } |
| break; |
| case 0x22c: /* cvttss2si */ |
| case 0x32c: /* cvttsd2si */ |
| case 0x22d: /* cvtss2si */ |
| case 0x32d: /* cvtsd2si */ |
| ot = (s->dflag == 2) ? OT_QUAD : OT_LONG; |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| if ((b >> 8) & 1) { |
| gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_t0.XMM_Q(0))); |
| } else { |
| gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
| tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_t0.XMM_L(0))); |
| } |
| op2_offset = offsetof(CPUX86State,xmm_t0); |
| } else { |
| rm = (modrm & 7) | REX_B(s); |
| op2_offset = offsetof(CPUX86State,xmm_regs[rm]); |
| } |
| sse_op2 = sse_op_table3[(s->dflag == 2) * 2 + ((b >> 8) - 2) + 4 + |
| (b & 1) * 4]; |
| tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op2_offset); |
| if (ot == OT_LONG) { |
| tcg_gen_helper_1_1(sse_op2, cpu_tmp2_i32, cpu_ptr0); |
| tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32); |
| } else { |
| tcg_gen_helper_1_1(sse_op2, cpu_T[0], cpu_ptr0); |
| } |
| gen_op_mov_reg_T0(ot, reg); |
| break; |
| case 0xc4: /* pinsrw */ |
| case 0x1c4: |
| s->rip_offset = 1; |
| gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0); |
| val = ldub_code(s->pc++); |
| if (b1) { |
| val &= 7; |
| tcg_gen_st16_tl(cpu_T[0], cpu_env, |
| offsetof(CPUX86State,xmm_regs[reg].XMM_W(val))); |
| } else { |
| val &= 3; |
| tcg_gen_st16_tl(cpu_T[0], cpu_env, |
| offsetof(CPUX86State,fpregs[reg].mmx.MMX_W(val))); |
| } |
| break; |
| case 0xc5: /* pextrw */ |
| case 0x1c5: |
| if (mod != 3) |
| goto illegal_op; |
| val = ldub_code(s->pc++); |
| if (b1) { |
| val &= 7; |
| rm = (modrm & 7) | REX_B(s); |
| tcg_gen_ld16u_tl(cpu_T[0], cpu_env, |
| offsetof(CPUX86State,xmm_regs[rm].XMM_W(val))); |
| } else { |
| val &= 3; |
| rm = (modrm & 7); |
| tcg_gen_ld16u_tl(cpu_T[0], cpu_env, |
| offsetof(CPUX86State,fpregs[rm].mmx.MMX_W(val))); |
| } |
| reg = ((modrm >> 3) & 7) | rex_r; |
| gen_op_mov_reg_T0(OT_LONG, reg); |
| break; |
| case 0x1d6: /* movq ea, xmm */ |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); |
| } else { |
| rm = (modrm & 7) | REX_B(s); |
| gen_op_movq(offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)), |
| offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); |
| gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[rm].XMM_Q(1))); |
| } |
| break; |
| case 0x2d6: /* movq2dq */ |
| tcg_gen_helper_0_0(helper_enter_mmx); |
| rm = (modrm & 7); |
| gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)), |
| offsetof(CPUX86State,fpregs[rm].mmx)); |
| gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1))); |
| break; |
| case 0x3d6: /* movdq2q */ |
| tcg_gen_helper_0_0(helper_enter_mmx); |
| rm = (modrm & 7) | REX_B(s); |
| gen_op_movq(offsetof(CPUX86State,fpregs[reg & 7].mmx), |
| offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0))); |
| break; |
| case 0xd7: /* pmovmskb */ |
| case 0x1d7: |
| if (mod != 3) |
| goto illegal_op; |
| if (b1) { |
| rm = (modrm & 7) | REX_B(s); |
| tcg_gen_addi_ptr(cpu_ptr0, cpu_env, offsetof(CPUX86State,xmm_regs[rm])); |
| tcg_gen_helper_1_1(helper_pmovmskb_xmm, cpu_tmp2_i32, cpu_ptr0); |
| } else { |
| rm = (modrm & 7); |
| tcg_gen_addi_ptr(cpu_ptr0, cpu_env, offsetof(CPUX86State,fpregs[rm].mmx)); |
| tcg_gen_helper_1_1(helper_pmovmskb_mmx, cpu_tmp2_i32, cpu_ptr0); |
| } |
| tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32); |
| reg = ((modrm >> 3) & 7) | rex_r; |
| gen_op_mov_reg_T0(OT_LONG, reg); |
| break; |
| default: |
| goto illegal_op; |
| } |
| } else { |
| /* generic MMX or SSE operation */ |
| switch(b) { |
| case 0x70: /* pshufx insn */ |
| case 0xc6: /* pshufx insn */ |
| case 0xc2: /* compare insns */ |
| s->rip_offset = 1; |
| break; |
| default: |
| break; |
| } |
| if (is_xmm) { |
| op1_offset = offsetof(CPUX86State,xmm_regs[reg]); |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| op2_offset = offsetof(CPUX86State,xmm_t0); |
| if (b1 >= 2 && ((b >= 0x50 && b <= 0x5f && b != 0x5b) || |
| b == 0xc2)) { |
| /* specific case for SSE single instructions */ |
| if (b1 == 2) { |
| /* 32 bit access */ |
| gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
| tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_t0.XMM_L(0))); |
| } else { |
| /* 64 bit access */ |
| gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_t0.XMM_D(0))); |
| } |
| } else { |
| gen_ldo_env_A0(s->mem_index, op2_offset); |
| } |
| } else { |
| rm = (modrm & 7) | REX_B(s); |
| op2_offset = offsetof(CPUX86State,xmm_regs[rm]); |
| } |
| } else { |
| op1_offset = offsetof(CPUX86State,fpregs[reg].mmx); |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| op2_offset = offsetof(CPUX86State,mmx_t0); |
| gen_ldq_env_A0(s->mem_index, op2_offset); |
| } else { |
| rm = (modrm & 7); |
| op2_offset = offsetof(CPUX86State,fpregs[rm].mmx); |
| } |
| } |
| switch(b) { |
| case 0x0f: /* 3DNow! data insns */ |
| if (!(s->cpuid_ext2_features & CPUID_EXT2_3DNOW)) |
| goto illegal_op; |
| val = ldub_code(s->pc++); |
| sse_op2 = sse_op_table5[val]; |
| if (!sse_op2) |
| goto illegal_op; |
| tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset); |
| tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset); |
| tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_ptr1); |
| break; |
| case 0x70: /* pshufx insn */ |
| case 0xc6: /* pshufx insn */ |
| val = ldub_code(s->pc++); |
| tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset); |
| tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset); |
| tcg_gen_helper_0_3(sse_op2, cpu_ptr0, cpu_ptr1, tcg_const_i32(val)); |
| break; |
| case 0xc2: |
| /* compare insns */ |
| val = ldub_code(s->pc++); |
| if (val >= 8) |
| goto illegal_op; |
| sse_op2 = sse_op_table4[val][b1]; |
| tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset); |
| tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset); |
| tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_ptr1); |
| break; |
| case 0xf7: |
| /* maskmov : we must prepare A0 */ |
| if (mod != 3) |
| goto illegal_op; |
| #ifdef TARGET_X86_64 |
| if (s->aflag == 2) { |
| gen_op_movq_A0_reg(R_EDI); |
| } else |
| #endif |
| { |
| gen_op_movl_A0_reg(R_EDI); |
| if (s->aflag == 0) |
| gen_op_andl_A0_ffff(); |
| } |
| gen_add_A0_ds_seg(s); |
| |
| tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset); |
| tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset); |
| tcg_gen_helper_0_3(sse_op2, cpu_ptr0, cpu_ptr1, cpu_A0); |
| break; |
| default: |
| tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset); |
| tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset); |
| tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_ptr1); |
| break; |
| } |
| if (b == 0x2e || b == 0x2f) { |
| s->cc_op = CC_OP_EFLAGS; |
| } |
| } |
| } |
| |
| /* convert one instruction. s->is_jmp is set if the translation must |
| be stopped. Return the next pc value */ |
| static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
| { |
| int b, prefixes, aflag, dflag; |
| int shift, ot; |
| int modrm, reg, rm, mod, reg_addr, op, opreg, offset_addr, val; |
| target_ulong next_eip, tval; |
| int rex_w, rex_r; |
| |
| if (unlikely(loglevel & CPU_LOG_TB_OP)) |
| tcg_gen_debug_insn_start(pc_start); |
| s->pc = pc_start; |
| prefixes = 0; |
| aflag = s->code32; |
| dflag = s->code32; |
| s->override = -1; |
| rex_w = -1; |
| rex_r = 0; |
| #ifdef TARGET_X86_64 |
| s->rex_x = 0; |
| s->rex_b = 0; |
| x86_64_hregs = 0; |
| #endif |
| s->rip_offset = 0; /* for relative ip address */ |
| next_byte: |
| b = ldub_code(s->pc); |
| s->pc++; |
| /* check prefixes */ |
| #ifdef TARGET_X86_64 |
| if (CODE64(s)) { |
| switch (b) { |
| case 0xf3: |
| prefixes |= PREFIX_REPZ; |
| goto next_byte; |
| case 0xf2: |
| prefixes |= PREFIX_REPNZ; |
| goto next_byte; |
| case 0xf0: |
| prefixes |= PREFIX_LOCK; |
| goto next_byte; |
| case 0x2e: |
| s->override = R_CS; |
| goto next_byte; |
| case 0x36: |
| s->override = R_SS; |
| goto next_byte; |
| case 0x3e: |
| s->override = R_DS; |
| goto next_byte; |
| case 0x26: |
| s->override = R_ES; |
| goto next_byte; |
| case 0x64: |
| s->override = R_FS; |
| goto next_byte; |
| case 0x65: |
| s->override = R_GS; |
| goto next_byte; |
| case 0x66: |
| prefixes |= PREFIX_DATA; |
| goto next_byte; |
| case 0x67: |
| prefixes |= PREFIX_ADR; |
| goto next_byte; |
| case 0x40 ... 0x4f: |
| /* REX prefix */ |
| rex_w = (b >> 3) & 1; |
| rex_r = (b & 0x4) << 1; |
| s->rex_x = (b & 0x2) << 2; |
| REX_B(s) = (b & 0x1) << 3; |
| x86_64_hregs = 1; /* select uniform byte register addressing */ |
| goto next_byte; |
| } |
| if (rex_w == 1) { |
| /* 0x66 is ignored if rex.w is set */ |
| dflag = 2; |
| } else { |
| if (prefixes & PREFIX_DATA) |
| dflag ^= 1; |
| } |
| if (!(prefixes & PREFIX_ADR)) |
| aflag = 2; |
| } else |
| #endif |
| { |
| switch (b) { |
| case 0xf3: |
| prefixes |= PREFIX_REPZ; |
| goto next_byte; |
| case 0xf2: |
| prefixes |= PREFIX_REPNZ; |
| goto next_byte; |
| case 0xf0: |
| prefixes |= PREFIX_LOCK; |
| goto next_byte; |
| case 0x2e: |
| s->override = R_CS; |
| goto next_byte; |
| case 0x36: |
| s->override = R_SS; |
| goto next_byte; |
| case 0x3e: |
| s->override = R_DS; |
| goto next_byte; |
| case 0x26: |
| s->override = R_ES; |
| goto next_byte; |
| case 0x64: |
| s->override = R_FS; |
| goto next_byte; |
| case 0x65: |
| s->override = R_GS; |
| goto next_byte; |
| case 0x66: |
| prefixes |= PREFIX_DATA; |
| goto next_byte; |
| case 0x67: |
| prefixes |= PREFIX_ADR; |
| goto next_byte; |
| } |
| if (prefixes & PREFIX_DATA) |
| dflag ^= 1; |
| if (prefixes & PREFIX_ADR) |
| aflag ^= 1; |
| } |
| |
| s->prefix = prefixes; |
| s->aflag = aflag; |
| s->dflag = dflag; |
| |
| /* lock generation */ |
| if (prefixes & PREFIX_LOCK) |
| tcg_gen_helper_0_0(helper_lock); |
| |
| /* now check op code */ |
| reswitch: |
| switch(b) { |
| case 0x0f: |
| /**************************/ |
| /* extended op code */ |
| b = ldub_code(s->pc++) | 0x100; |
| goto reswitch; |
| |
| /**************************/ |
| /* arith & logic */ |
| case 0x00 ... 0x05: |
| case 0x08 ... 0x0d: |
| case 0x10 ... 0x15: |
| case 0x18 ... 0x1d: |
| case 0x20 ... 0x25: |
| case 0x28 ... 0x2d: |
| case 0x30 ... 0x35: |
| case 0x38 ... 0x3d: |
| { |
| int op, f, val; |
| op = (b >> 3) & 7; |
| f = (b >> 1) & 3; |
| |
| if ((b & 1) == 0) |
| ot = OT_BYTE; |
| else |
| ot = dflag + OT_WORD; |
| |
| switch(f) { |
| case 0: /* OP Ev, Gv */ |
| modrm = ldub_code(s->pc++); |
| reg = ((modrm >> 3) & 7) | rex_r; |
| mod = (modrm >> 6) & 3; |
| rm = (modrm & 7) | REX_B(s); |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_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 0x82: |
| if (CODE64(s)) |
| goto illegal_op; |
| case 0x80: /* GRP1 */ |
| case 0x81: |
| 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 */ |
| tcg_gen_not_tl(cpu_T[0], cpu_T[0]); |
| if (mod != 3) { |
| gen_op_st_T0_A0(ot + s->mem_index); |
| } else { |
| gen_op_mov_reg_T0(ot, rm); |
| } |
| break; |
| case 3: /* neg */ |
| tcg_gen_neg_tl(cpu_T[0], cpu_T[0]); |
| if (mod != 3) { |
| gen_op_st_T0_A0(ot + s->mem_index); |
| } else { |
| gen_op_mov_reg_T0(ot, rm); |
| } |
| gen_op_update_neg_cc(); |
| s->cc_op = CC_OP_SUBB + ot; |
| break; |
| case 4: /* mul */ |
| switch(ot) { |
| case OT_BYTE: |
| gen_op_mov_TN_reg(OT_BYTE, 1, R_EAX); |
| tcg_gen_ext8u_tl(cpu_T[0], cpu_T[0]); |
| tcg_gen_ext8u_tl(cpu_T[1], cpu_T[1]); |
| /* XXX: use 32 bit mul which could be faster */ |
| tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| gen_op_mov_reg_T0(OT_WORD, R_EAX); |
| tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]); |
| tcg_gen_andi_tl(cpu_cc_src, cpu_T[0], 0xff00); |
| s->cc_op = CC_OP_MULB; |
| break; |
| case OT_WORD: |
| gen_op_mov_TN_reg(OT_WORD, 1, R_EAX); |
| tcg_gen_ext16u_tl(cpu_T[0], cpu_T[0]); |
| tcg_gen_ext16u_tl(cpu_T[1], cpu_T[1]); |
| /* XXX: use 32 bit mul which could be faster */ |
| tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| gen_op_mov_reg_T0(OT_WORD, R_EAX); |
| tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]); |
| tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 16); |
| gen_op_mov_reg_T0(OT_WORD, R_EDX); |
| tcg_gen_mov_tl(cpu_cc_src, cpu_T[0]); |
| s->cc_op = CC_OP_MULW; |
| break; |
| default: |
| case OT_LONG: |
| #ifdef TARGET_X86_64 |
| gen_op_mov_TN_reg(OT_LONG, 1, R_EAX); |
| tcg_gen_ext32u_tl(cpu_T[0], cpu_T[0]); |
| tcg_gen_ext32u_tl(cpu_T[1], cpu_T[1]); |
| tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| gen_op_mov_reg_T0(OT_LONG, R_EAX); |
| tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]); |
| tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 32); |
| gen_op_mov_reg_T0(OT_LONG, R_EDX); |
| tcg_gen_mov_tl(cpu_cc_src, cpu_T[0]); |
| #else |
| { |
| TCGv t0, t1; |
| t0 = tcg_temp_new(TCG_TYPE_I64); |
| t1 = tcg_temp_new(TCG_TYPE_I64); |
| gen_op_mov_TN_reg(OT_LONG, 1, R_EAX); |
| tcg_gen_extu_i32_i64(t0, cpu_T[0]); |
| tcg_gen_extu_i32_i64(t1, cpu_T[1]); |
| tcg_gen_mul_i64(t0, t0, t1); |
| tcg_gen_trunc_i64_i32(cpu_T[0], t0); |
| gen_op_mov_reg_T0(OT_LONG, R_EAX); |
| tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]); |
| tcg_gen_shri_i64(t0, t0, 32); |
| tcg_gen_trunc_i64_i32(cpu_T[0], t0); |
| gen_op_mov_reg_T0(OT_LONG, R_EDX); |
| tcg_gen_mov_tl(cpu_cc_src, cpu_T[0]); |
| } |
| #endif |
| s->cc_op = CC_OP_MULL; |
| break; |
| #ifdef TARGET_X86_64 |
| case OT_QUAD: |
| tcg_gen_helper_0_1(helper_mulq_EAX_T0, cpu_T[0]); |
| s->cc_op = CC_OP_MULQ; |
| break; |
| #endif |
| } |
| break; |
| case 5: /* imul */ |
| switch(ot) { |
| case OT_BYTE: |
| gen_op_mov_TN_reg(OT_BYTE, 1, R_EAX); |
| tcg_gen_ext8s_tl(cpu_T[0], cpu_T[0]); |
| tcg_gen_ext8s_tl(cpu_T[1], cpu_T[1]); |
| /* XXX: use 32 bit mul which could be faster */ |
| tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| gen_op_mov_reg_T0(OT_WORD, R_EAX); |
| tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]); |
| tcg_gen_ext8s_tl(cpu_tmp0, cpu_T[0]); |
| tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0); |
| s->cc_op = CC_OP_MULB; |
| break; |
| case OT_WORD: |
| gen_op_mov_TN_reg(OT_WORD, 1, R_EAX); |
| tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]); |
| tcg_gen_ext16s_tl(cpu_T[1], cpu_T[1]); |
| /* XXX: use 32 bit mul which could be faster */ |
| tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| gen_op_mov_reg_T0(OT_WORD, R_EAX); |
| tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]); |
| tcg_gen_ext16s_tl(cpu_tmp0, cpu_T[0]); |
| tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0); |
| tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 16); |
| gen_op_mov_reg_T0(OT_WORD, R_EDX); |
| s->cc_op = CC_OP_MULW; |
| break; |
| default: |
| case OT_LONG: |
| #ifdef TARGET_X86_64 |
| gen_op_mov_TN_reg(OT_LONG, 1, R_EAX); |
| tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
| tcg_gen_ext32s_tl(cpu_T[1], cpu_T[1]); |
| tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| gen_op_mov_reg_T0(OT_LONG, R_EAX); |
| tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]); |
| tcg_gen_ext32s_tl(cpu_tmp0, cpu_T[0]); |
| tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0); |
| tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 32); |
| gen_op_mov_reg_T0(OT_LONG, R_EDX); |
| #else |
| { |
| TCGv t0, t1; |
| t0 = tcg_temp_new(TCG_TYPE_I64); |
| t1 = tcg_temp_new(TCG_TYPE_I64); |
| gen_op_mov_TN_reg(OT_LONG, 1, R_EAX); |
| tcg_gen_ext_i32_i64(t0, cpu_T[0]); |
| tcg_gen_ext_i32_i64(t1, cpu_T[1]); |
| tcg_gen_mul_i64(t0, t0, t1); |
| tcg_gen_trunc_i64_i32(cpu_T[0], t0); |
| gen_op_mov_reg_T0(OT_LONG, R_EAX); |
| tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]); |
| tcg_gen_sari_tl(cpu_tmp0, cpu_T[0], 31); |
| tcg_gen_shri_i64(t0, t0, 32); |
| tcg_gen_trunc_i64_i32(cpu_T[0], t0); |
| gen_op_mov_reg_T0(OT_LONG, R_EDX); |
| tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0); |
| } |
| #endif |
| s->cc_op = CC_OP_MULL; |
| break; |
| #ifdef TARGET_X86_64 |
| case OT_QUAD: |
| tcg_gen_helper_0_1(helper_imulq_EAX_T0, cpu_T[0]); |
| s->cc_op = CC_OP_MULQ; |
| break; |
| #endif |
| } |
| break; |
| case 6: /* div */ |
| switch(ot) { |
| case OT_BYTE: |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_1(helper_divb_AL, cpu_T[0]); |
| break; |
| case OT_WORD: |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_1(helper_divw_AX, cpu_T[0]); |
| break; |
| default: |
| case OT_LONG: |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_1(helper_divl_EAX, cpu_T[0]); |
| break; |
| #ifdef TARGET_X86_64 |
| case OT_QUAD: |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_1(helper_divq_EAX, cpu_T[0]); |
| break; |
| #endif |
| } |
| break; |
| case 7: /* idiv */ |
| switch(ot) { |
| case OT_BYTE: |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_1(helper_idivb_AL, cpu_T[0]); |
| break; |
| case OT_WORD: |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_1(helper_idivw_AX, cpu_T[0]); |
| break; |
| default: |
| case OT_LONG: |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_1(helper_idivl_EAX, cpu_T[0]); |
| break; |
| #ifdef TARGET_X86_64 |
| case OT_QUAD: |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_1(helper_idivq_EAX, cpu_T[0]); |
| break; |
| #endif |
| } |
| break; |
| default: |
| goto illegal_op; |
| } |
| break; |
| |
| case 0xfe: /* GRP4 */ |
| case 0xff: /* GRP5 */ |
| if ((b & 1) == 0) |
| ot = OT_BYTE; |
| else |
| ot = dflag + OT_WORD; |
| |
| modrm = ldub_code(s->pc++); |
| mod = (modrm >> 6) & 3; |
| rm = (modrm & 7) | REX_B(s); |
| op = (modrm >> 3) & 7; |
| if (op >= 2 && b == 0xfe) { |
| goto illegal_op; |
| } |
| if (CODE64(s)) { |
| if (op == 2 || op == 4) { |
| /* operand size for jumps is 64 bit */ |
| ot = OT_QUAD; |
| } else if (op == 3 || op == 5) { |
| /* for call calls, the operand is 16 or 32 bit, even |
| in long mode */ |
| ot = dflag ? OT_LONG : OT_WORD; |
| } else if (op == 6) { |
| /* default push size is 64 bit */ |
| ot = dflag ? OT_QUAD : OT_WORD; |
| } |
| } |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| if (op >= 2 && op != 3 && op != 5) |
| gen_op_ld_T0_A0(ot + s->mem_index); |
| } else { |
| gen_op_mov_TN_reg(ot, 0, rm); |
| } |
| |
| switch(op) { |
| case 0: /* inc Ev */ |
| if (mod != 3) |
| opreg = OR_TMP0; |
| else |
| opreg = rm; |
| gen_inc(s, ot, opreg, 1); |
| break; |
| case 1: /* dec Ev */ |
| if (mod != 3) |
| opreg = OR_TMP0; |
| else |
| opreg = rm; |
| gen_inc(s, ot, opreg, -1); |
| break; |
| case 2: /* call Ev */ |
| /* XXX: optimize if memory (no 'and' is necessary) */ |
| if (s->dflag == 0) |
| gen_op_andl_T0_ffff(); |
| next_eip = s->pc - s->cs_base; |
| gen_movtl_T1_im(next_eip); |
| gen_push_T1(s); |
| gen_op_jmp_T0(); |
| gen_eob(s); |
| break; |
| case 3: /* lcall Ev */ |
| gen_op_ld_T1_A0(ot + s->mem_index); |
| gen_add_A0_im(s, 1 << (ot - OT_WORD + 1)); |
| gen_op_ldu_T0_A0(OT_WORD + s->mem_index); |
| do_lcall: |
| if (s->pe && !s->vm86) { |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]); |
| tcg_gen_helper_0_4(helper_lcall_protected, |
| cpu_tmp2_i32, cpu_T[1], |
| tcg_const_i32(dflag), |
| tcg_const_i32(s->pc - pc_start)); |
| } else { |
| tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]); |
| tcg_gen_helper_0_4(helper_lcall_real, |
| cpu_tmp2_i32, cpu_T[1], |
| tcg_const_i32(dflag), |
| tcg_const_i32(s->pc - s->cs_base)); |
| } |
| gen_eob(s); |
| break; |
| case 4: /* jmp Ev */ |
| if (s->dflag == 0) |
| gen_op_andl_T0_ffff(); |
| gen_op_jmp_T0(); |
| gen_eob(s); |
| break; |
| case 5: /* ljmp Ev */ |
| gen_op_ld_T1_A0(ot + s->mem_index); |
| gen_add_A0_im(s, 1 << (ot - OT_WORD + 1)); |
| gen_op_ldu_T0_A0(OT_WORD + s->mem_index); |
| do_ljmp: |
| if (s->pe && !s->vm86) { |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]); |
| tcg_gen_helper_0_3(helper_ljmp_protected, |
| cpu_tmp2_i32, |
| cpu_T[1], |
| tcg_const_i32(s->pc - pc_start)); |
| } else { |
| gen_op_movl_seg_T0_vm(R_CS); |
| gen_op_movl_T0_T1(); |
| gen_op_jmp_T0(); |
| } |
| gen_eob(s); |
| break; |
| case 6: /* push Ev */ |
| gen_push_T0(s); |
| break; |
| default: |
| goto illegal_op; |
| } |
| break; |
| |
| case 0x84: /* test Ev, Gv */ |
| case 0x85: |
| if ((b & 1) == 0) |
| ot = OT_BYTE; |
| else |
| ot = dflag + OT_WORD; |
| |
| modrm = ldub_code(s->pc++); |
| mod = (modrm >> 6) & 3; |
| rm = (modrm & 7) | REX_B(s); |
| reg = ((modrm >> 3) & 7) | rex_r; |
| |
| gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0); |
| gen_op_mov_TN_reg(ot, 1, reg); |
| gen_op_testl_T0_T1_cc(); |
| s->cc_op = CC_OP_LOGICB + ot; |
| break; |
| |
| case 0xa8: /* test eAX, Iv */ |
| case 0xa9: |
| if ((b & 1) == 0) |
| ot = OT_BYTE; |
| else |
| ot = dflag + OT_WORD; |
| val = insn_get(s, ot); |
| |
| gen_op_mov_TN_reg(ot, 0, OR_EAX); |
| gen_op_movl_T1_im(val); |
| gen_op_testl_T0_T1_cc(); |
| s->cc_op = CC_OP_LOGICB + ot; |
| break; |
| |
| case 0x98: /* CWDE/CBW */ |
| #ifdef TARGET_X86_64 |
| if (dflag == 2) { |
| gen_op_mov_TN_reg(OT_LONG, 0, R_EAX); |
| tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
| gen_op_mov_reg_T0(OT_QUAD, R_EAX); |
| } else |
| #endif |
| if (dflag == 1) { |
| gen_op_mov_TN_reg(OT_WORD, 0, R_EAX); |
| tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]); |
| gen_op_mov_reg_T0(OT_LONG, R_EAX); |
| } else { |
| gen_op_mov_TN_reg(OT_BYTE, 0, R_EAX); |
| tcg_gen_ext8s_tl(cpu_T[0], cpu_T[0]); |
| gen_op_mov_reg_T0(OT_WORD, R_EAX); |
| } |
| break; |
| case 0x99: /* CDQ/CWD */ |
| #ifdef TARGET_X86_64 |
| if (dflag == 2) { |
| gen_op_mov_TN_reg(OT_QUAD, 0, R_EAX); |
| tcg_gen_sari_tl(cpu_T[0], cpu_T[0], 63); |
| gen_op_mov_reg_T0(OT_QUAD, R_EDX); |
| } else |
| #endif |
| if (dflag == 1) { |
| gen_op_mov_TN_reg(OT_LONG, 0, R_EAX); |
| tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
| tcg_gen_sari_tl(cpu_T[0], cpu_T[0], 31); |
| gen_op_mov_reg_T0(OT_LONG, R_EDX); |
| } else { |
| gen_op_mov_TN_reg(OT_WORD, 0, R_EAX); |
| tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]); |
| tcg_gen_sari_tl(cpu_T[0], cpu_T[0], 15); |
| gen_op_mov_reg_T0(OT_WORD, R_EDX); |
| } |
| break; |
| case 0x1af: /* imul Gv, Ev */ |
| case 0x69: /* imul Gv, Ev, I */ |
| case 0x6b: |
| ot = dflag + OT_WORD; |
| modrm = ldub_code(s->pc++); |
| reg = ((modrm >> 3) & 7) | rex_r; |
| if (b == 0x69) |
| s->rip_offset = insn_const_size(ot); |
| else if (b == 0x6b) |
| s->rip_offset = 1; |
| gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0); |
| if (b == 0x69) { |
| val = insn_get(s, ot); |
| gen_op_movl_T1_im(val); |
| } else if (b == 0x6b) { |
| val = (int8_t)insn_get(s, OT_BYTE); |
| gen_op_movl_T1_im(val); |
| } else { |
| gen_op_mov_TN_reg(ot, 1, reg); |
| } |
| |
| #ifdef TARGET_X86_64 |
| if (ot == OT_QUAD) { |
| tcg_gen_helper_1_2(helper_imulq_T0_T1, cpu_T[0], cpu_T[0], cpu_T[1]); |
| } else |
| #endif |
| if (ot == OT_LONG) { |
| #ifdef TARGET_X86_64 |
| tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
| tcg_gen_ext32s_tl(cpu_T[1], cpu_T[1]); |
| tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]); |
| tcg_gen_ext32s_tl(cpu_tmp0, cpu_T[0]); |
| tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0); |
| #else |
| { |
| TCGv t0, t1; |
| t0 = tcg_temp_new(TCG_TYPE_I64); |
| t1 = tcg_temp_new(TCG_TYPE_I64); |
| tcg_gen_ext_i32_i64(t0, cpu_T[0]); |
| tcg_gen_ext_i32_i64(t1, cpu_T[1]); |
| tcg_gen_mul_i64(t0, t0, t1); |
| tcg_gen_trunc_i64_i32(cpu_T[0], t0); |
| tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]); |
| tcg_gen_sari_tl(cpu_tmp0, cpu_T[0], 31); |
| tcg_gen_shri_i64(t0, t0, 32); |
| tcg_gen_trunc_i64_i32(cpu_T[1], t0); |
| tcg_gen_sub_tl(cpu_cc_src, cpu_T[1], cpu_tmp0); |
| } |
| #endif |
| } else { |
| tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]); |
| tcg_gen_ext16s_tl(cpu_T[1], cpu_T[1]); |
| /* XXX: use 32 bit mul which could be faster */ |
| tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]); |
| tcg_gen_ext16s_tl(cpu_tmp0, cpu_T[0]); |
| tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0); |
| } |
| gen_op_mov_reg_T0(ot, reg); |
| s->cc_op = CC_OP_MULB + ot; |
| break; |
| case 0x1c0: |
| case 0x1c1: /* xadd Ev, Gv */ |
| if ((b & 1) == 0) |
| ot = OT_BYTE; |
| else |
| ot = dflag + OT_WORD; |
| modrm = ldub_code(s->pc++); |
| reg = ((modrm >> 3) & 7) | rex_r; |
| mod = (modrm >> 6) & 3; |
| if (mod == 3) { |
| rm = (modrm & 7) | REX_B(s); |
| gen_op_mov_TN_reg(ot, 0, reg); |
| gen_op_mov_TN_reg(ot, 1, rm); |
| gen_op_addl_T0_T1(); |
| gen_op_mov_reg_T1(ot, reg); |
| gen_op_mov_reg_T0(ot, rm); |
| } else { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| gen_op_mov_TN_reg(ot, 0, reg); |
| gen_op_ld_T1_A0(ot + s->mem_index); |
| gen_op_addl_T0_T1(); |
| gen_op_st_T0_A0(ot + s->mem_index); |
| gen_op_mov_reg_T1(ot, reg); |
| } |
| gen_op_update2_cc(); |
| s->cc_op = CC_OP_ADDB + ot; |
| break; |
| case 0x1b0: |
| case 0x1b1: /* cmpxchg Ev, Gv */ |
| { |
| int label1, label2; |
| TCGv t0, t1, t2, a0; |
| |
| 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; |
| t0 = tcg_temp_local_new(TCG_TYPE_TL); |
| t1 = tcg_temp_local_new(TCG_TYPE_TL); |
| t2 = tcg_temp_local_new(TCG_TYPE_TL); |
| a0 = tcg_temp_local_new(TCG_TYPE_TL); |
| gen_op_mov_v_reg(ot, t1, reg); |
| if (mod == 3) { |
| rm = (modrm & 7) | REX_B(s); |
| gen_op_mov_v_reg(ot, t0, rm); |
| } else { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| tcg_gen_mov_tl(a0, cpu_A0); |
| gen_op_ld_v(ot + s->mem_index, t0, a0); |
| rm = 0; /* avoid warning */ |
| } |
| label1 = gen_new_label(); |
| tcg_gen_ld_tl(t2, cpu_env, offsetof(CPUState, regs[R_EAX])); |
| tcg_gen_sub_tl(t2, t2, t0); |
| gen_extu(ot, t2); |
| tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, label1); |
| if (mod == 3) { |
| label2 = gen_new_label(); |
| gen_op_mov_reg_v(ot, R_EAX, t0); |
| tcg_gen_br(label2); |
| gen_set_label(label1); |
| gen_op_mov_reg_v(ot, rm, t1); |
| gen_set_label(label2); |
| } else { |
| tcg_gen_mov_tl(t1, t0); |
| gen_op_mov_reg_v(ot, R_EAX, t0); |
| gen_set_label(label1); |
| /* always store */ |
| gen_op_st_v(ot + s->mem_index, t1, a0); |
| } |
| tcg_gen_mov_tl(cpu_cc_src, t0); |
| tcg_gen_mov_tl(cpu_cc_dst, t2); |
| s->cc_op = CC_OP_SUBB + ot; |
| tcg_temp_free(t0); |
| tcg_temp_free(t1); |
| tcg_temp_free(t2); |
| tcg_temp_free(a0); |
| } |
| break; |
| case 0x1c7: /* cmpxchg8b */ |
| modrm = ldub_code(s->pc++); |
| mod = (modrm >> 6) & 3; |
| if ((mod == 3) || ((modrm & 0x38) != 0x8)) |
| goto illegal_op; |
| #ifdef TARGET_X86_64 |
| if (dflag == 2) { |
| if (!(s->cpuid_ext_features & CPUID_EXT_CX16)) |
| goto illegal_op; |
| gen_jmp_im(pc_start - s->cs_base); |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| tcg_gen_helper_0_1(helper_cmpxchg16b, cpu_A0); |
| } else |
| #endif |
| { |
| if (!(s->cpuid_features & CPUID_CX8)) |
| goto illegal_op; |
| gen_jmp_im(pc_start - s->cs_base); |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| tcg_gen_helper_0_1(helper_cmpxchg8b, cpu_A0); |
| } |
| s->cc_op = CC_OP_EFLAGS; |
| break; |
| |
| /**************************/ |
| /* push/pop */ |
| case 0x50 ... 0x57: /* push */ |
| gen_op_mov_TN_reg(OT_LONG, 0, (b & 7) | REX_B(s)); |
| gen_push_T0(s); |
| break; |
| case 0x58 ... 0x5f: /* pop */ |
| if (CODE64(s)) { |
| ot = dflag ? OT_QUAD : OT_WORD; |
| } else { |
| ot = dflag + OT_WORD; |
| } |
| gen_pop_T0(s); |
| /* NOTE: order is important for pop %sp */ |
| gen_pop_update(s); |
| gen_op_mov_reg_T0(ot, (b & 7) | REX_B(s)); |
| break; |
| case 0x60: /* pusha */ |
| if (CODE64(s)) |
| goto illegal_op; |
| gen_pusha(s); |
| break; |
| case 0x61: /* popa */ |
| if (CODE64(s)) |
| goto illegal_op; |
| gen_popa(s); |
| break; |
| case 0x68: /* push Iv */ |
| case 0x6a: |
| if (CODE64(s)) { |
| ot = dflag ? OT_QUAD : OT_WORD; |
| } else { |
| ot = dflag + OT_WORD; |
| } |
| if (b == 0x68) |
| val = insn_get(s, ot); |
| else |
| val = (int8_t)insn_get(s, OT_BYTE); |
| gen_op_movl_T0_im(val); |
| gen_push_T0(s); |
| break; |
| case 0x8f: /* pop Ev */ |
| if (CODE64(s)) { |
| ot = dflag ? OT_QUAD : OT_WORD; |
| } else { |
| ot = dflag + OT_WORD; |
| } |
| modrm = ldub_code(s->pc++); |
| mod = (modrm >> 6) & 3; |
| gen_pop_T0(s); |
| if (mod == 3) { |
| /* NOTE: order is important for pop %sp */ |
| gen_pop_update(s); |
| rm = (modrm & 7) | REX_B(s); |
| gen_op_mov_reg_T0(ot, rm); |
| } else { |
| /* NOTE: order is important too for MMU exceptions */ |
| s->popl_esp_hack = 1 << ot; |
| gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1); |
| s->popl_esp_hack = 0; |
| gen_pop_update(s); |
| } |
| break; |
| case 0xc8: /* enter */ |
| { |
| int level; |
| val = lduw_code(s->pc); |
| s->pc += 2; |
| level = ldub_code(s->pc++); |
| gen_enter(s, val, level); |
| } |
| break; |
| case 0xc9: /* leave */ |
| /* XXX: exception not precise (ESP is updated before potential exception) */ |
| if (CODE64(s)) { |
| gen_op_mov_TN_reg(OT_QUAD, 0, R_EBP); |
| gen_op_mov_reg_T0(OT_QUAD, R_ESP); |
| } else if (s->ss32) { |
| gen_op_mov_TN_reg(OT_LONG, 0, R_EBP); |
| gen_op_mov_reg_T0(OT_LONG, R_ESP); |
| } else { |
| gen_op_mov_TN_reg(OT_WORD, 0, R_EBP); |
| gen_op_mov_reg_T0(OT_WORD, R_ESP); |
| } |
| gen_pop_T0(s); |
| if (CODE64(s)) { |
| ot = dflag ? OT_QUAD : OT_WORD; |
| } else { |
| ot = dflag + OT_WORD; |
| } |
| gen_op_mov_reg_T0(ot, R_EBP); |
| gen_pop_update(s); |
| break; |
| case 0x06: /* push es */ |
| case 0x0e: /* push cs */ |
| case 0x16: /* push ss */ |
| case 0x1e: /* push ds */ |
| if (CODE64(s)) |
| goto illegal_op; |
| gen_op_movl_T0_seg(b >> 3); |
| gen_push_T0(s); |
| break; |
| case 0x1a0: /* push fs */ |
| case 0x1a8: /* push gs */ |
| gen_op_movl_T0_seg((b >> 3) & 7); |
| gen_push_T0(s); |
| break; |
| case 0x07: /* pop es */ |
| case 0x17: /* pop ss */ |
| case 0x1f: /* pop ds */ |
| if (CODE64(s)) |
| goto illegal_op; |
| reg = b >> 3; |
| gen_pop_T0(s); |
| gen_movl_seg_T0(s, reg, pc_start - s->cs_base); |
| gen_pop_update(s); |
| if (reg == R_SS) { |
| /* if reg == SS, inhibit interrupts/trace. */ |
| /* If several instructions disable interrupts, only the |
| _first_ does it */ |
| if (!(s->tb->flags & HF_INHIBIT_IRQ_MASK)) |
| tcg_gen_helper_0_0(helper_set_inhibit_irq); |
| s->tf = 0; |
| } |
| if (s->is_jmp) { |
| gen_jmp_im(s->pc - s->cs_base); |
| gen_eob(s); |
| } |
| break; |
| case 0x1a1: /* pop fs */ |
| case 0x1a9: /* pop gs */ |
| gen_pop_T0(s); |
| gen_movl_seg_T0(s, (b >> 3) & 7, pc_start - s->cs_base); |
| gen_pop_update(s); |
| if (s->is_jmp) { |
| gen_jmp_im(s->pc - s->cs_base); |
| gen_eob(s); |
| } |
| break; |
| |
| /**************************/ |
| /* mov */ |
| case 0x88: |
| case 0x89: /* mov Gv, Ev */ |
| if ((b & 1) == 0) |
| ot = OT_BYTE; |
| else |
| ot = dflag + OT_WORD; |
| modrm = ldub_code(s->pc++); |
| reg = ((modrm >> 3) & 7) | rex_r; |
| |
| /* generate a generic store */ |
| gen_ldst_modrm(s, modrm, ot, reg, 1); |
| break; |
| case 0xc6: |
| case 0xc7: /* mov Ev, Iv */ |
| if ((b & 1) == 0) |
| ot = OT_BYTE; |
| else |
| ot = dflag + OT_WORD; |
| modrm = ldub_code(s->pc++); |
| mod = (modrm >> 6) & 3; |
| if (mod != 3) { |
| s->rip_offset = insn_const_size(ot); |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| } |
| val = insn_get(s, ot); |
| gen_op_movl_T0_im(val); |
| if (mod != 3) |
| gen_op_st_T0_A0(ot + s->mem_index); |
| else |
| gen_op_mov_reg_T0(ot, (modrm & 7) | REX_B(s)); |
| break; |
| case 0x8a: |
| case 0x8b: /* mov Ev, Gv */ |
| if ((b & 1) == 0) |
| ot = OT_BYTE; |
| else |
| ot = OT_WORD + dflag; |
| modrm = ldub_code(s->pc++); |
| reg = ((modrm >> 3) & 7) | rex_r; |
| |
| gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0); |
| gen_op_mov_reg_T0(ot, reg); |
| break; |
| case 0x8e: /* mov seg, Gv */ |
| modrm = ldub_code(s->pc++); |
| reg = (modrm >> 3) & 7; |
| if (reg >= 6 || reg == R_CS) |
| goto illegal_op; |
| gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0); |
| gen_movl_seg_T0(s, reg, pc_start - s->cs_base); |
| if (reg == R_SS) { |
| /* if reg == SS, inhibit interrupts/trace */ |
| /* If several instructions disable interrupts, only the |
| _first_ does it */ |
| if (!(s->tb->flags & HF_INHIBIT_IRQ_MASK)) |
| tcg_gen_helper_0_0(helper_set_inhibit_irq); |
| s->tf = 0; |
| } |
| if (s->is_jmp) { |
| gen_jmp_im(s->pc - s->cs_base); |
| gen_eob(s); |
| } |
| break; |
| case 0x8c: /* mov Gv, seg */ |
| modrm = ldub_code(s->pc++); |
| reg = (modrm >> 3) & 7; |
| mod = (modrm >> 6) & 3; |
| if (reg >= 6) |
| goto illegal_op; |
| gen_op_movl_T0_seg(reg); |
| if (mod == 3) |
| ot = OT_WORD + dflag; |
| else |
| ot = OT_WORD; |
| gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1); |
| break; |
| |
| case 0x1b6: /* movzbS Gv, Eb */ |
| case 0x1b7: /* movzwS Gv, Eb */ |
| case 0x1be: /* movsbS Gv, Eb */ |
| case 0x1bf: /* movswS Gv, Eb */ |
| { |
| int d_ot; |
| /* d_ot is the size of destination */ |
| d_ot = dflag + OT_WORD; |
| /* ot is the size of source */ |
| ot = (b & 1) + OT_BYTE; |
| modrm = ldub_code(s->pc++); |
| reg = ((modrm >> 3) & 7) | rex_r; |
| mod = (modrm >> 6) & 3; |
| rm = (modrm & 7) | REX_B(s); |
| |
| if (mod == 3) { |
| gen_op_mov_TN_reg(ot, 0, rm); |
| switch(ot | (b & 8)) { |
| case OT_BYTE: |
| tcg_gen_ext8u_tl(cpu_T[0], cpu_T[0]); |
| break; |
| case OT_BYTE | 8: |
| tcg_gen_ext8s_tl(cpu_T[0], cpu_T[0]); |
| break; |
| case OT_WORD: |
| tcg_gen_ext16u_tl(cpu_T[0], cpu_T[0]); |
| break; |
| default: |
| case OT_WORD | 8: |
| tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]); |
| break; |
| } |
| gen_op_mov_reg_T0(d_ot, reg); |
| } else { |
| gen_lea_modrm(s, modrm, ®_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_mov_TN_reg(OT_QUAD, 0, R_EAX); |
| tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xff); |
| tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_T[0]); |
| } else |
| #endif |
| { |
| gen_op_movl_A0_reg(R_EBX); |
| gen_op_mov_TN_reg(OT_LONG, 0, R_EAX); |
| tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xff); |
| tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_T[0]); |
| if (s->aflag == 0) |
| gen_op_andl_A0_ffff(); |
| else |
| tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffffffff); |
| } |
| gen_add_A0_ds_seg(s); |
| gen_op_ldu_T0_A0(OT_BYTE + s->mem_index); |
| gen_op_mov_reg_T0(OT_BYTE, R_EAX); |
| break; |
| case 0xb0 ... 0xb7: /* mov R, Ib */ |
| val = insn_get(s, OT_BYTE); |
| gen_op_movl_T0_im(val); |
| gen_op_mov_reg_T0(OT_BYTE, (b & 7) | REX_B(s)); |
| break; |
| case 0xb8 ... 0xbf: /* mov R, Iv */ |
| #ifdef TARGET_X86_64 |
| if (dflag == 2) { |
| uint64_t tmp; |
| /* 64 bit case */ |
| tmp = ldq_code(s->pc); |
| s->pc += 8; |
| reg = (b & 7) | REX_B(s); |
| gen_movtl_T0_im(tmp); |
| gen_op_mov_reg_T0(OT_QUAD, reg); |
| } else |
| #endif |
| { |
| ot = dflag ? OT_LONG : OT_WORD; |
| val = insn_get(s, ot); |
| reg = (b & 7) | REX_B(s); |
| gen_op_movl_T0_im(val); |
| gen_op_mov_reg_T0(ot, reg); |
| } |
| break; |
| |
| case 0x91 ... 0x97: /* xchg R, EAX */ |
| ot = dflag + OT_WORD; |
| reg = (b & 7) | REX_B(s); |
| rm = R_EAX; |
| goto do_xchg_reg; |
| case 0x86: |
| case 0x87: /* xchg Ev, Gv */ |
| if ((b & 1) == 0) |
| ot = OT_BYTE; |
| else |
| ot = dflag + OT_WORD; |
| modrm = ldub_code(s->pc++); |
| reg = ((modrm >> 3) & 7) | rex_r; |
| mod = (modrm >> 6) & 3; |
| if (mod == 3) { |
| rm = (modrm & 7) | REX_B(s); |
| do_xchg_reg: |
| gen_op_mov_TN_reg(ot, 0, reg); |
| gen_op_mov_TN_reg(ot, 1, rm); |
| gen_op_mov_reg_T0(ot, rm); |
| gen_op_mov_reg_T1(ot, reg); |
| } else { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| gen_op_mov_TN_reg(ot, 0, reg); |
| /* for xchg, lock is implicit */ |
| if (!(prefixes & PREFIX_LOCK)) |
| tcg_gen_helper_0_0(helper_lock); |
| gen_op_ld_T1_A0(ot + s->mem_index); |
| gen_op_st_T0_A0(ot + s->mem_index); |
| if (!(prefixes & PREFIX_LOCK)) |
| tcg_gen_helper_0_0(helper_unlock); |
| gen_op_mov_reg_T1(ot, reg); |
| } |
| break; |
| case 0xc4: /* les Gv */ |
| if (CODE64(s)) |
| goto illegal_op; |
| op = R_ES; |
| goto do_lxx; |
| case 0xc5: /* lds Gv */ |
| if (CODE64(s)) |
| goto illegal_op; |
| op = R_DS; |
| goto do_lxx; |
| case 0x1b2: /* lss Gv */ |
| op = R_SS; |
| goto do_lxx; |
| case 0x1b4: /* lfs Gv */ |
| op = R_FS; |
| goto do_lxx; |
| case 0x1b5: /* lgs Gv */ |
| op = R_GS; |
| do_lxx: |
| ot = dflag ? OT_LONG : OT_WORD; |
| modrm = ldub_code(s->pc++); |
| reg = ((modrm >> 3) & 7) | rex_r; |
| mod = (modrm >> 6) & 3; |
| if (mod == 3) |
| goto illegal_op; |
| gen_lea_modrm(s, modrm, ®_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); |
| opreg = OR_TMP0; |
| } else { |
| opreg = rm; |
| } |
| gen_op_mov_TN_reg(ot, 1, reg); |
| |
| if (shift) { |
| val = ldub_code(s->pc++); |
| tcg_gen_movi_tl(cpu_T3, val); |
| } else { |
| tcg_gen_ld_tl(cpu_T3, cpu_env, offsetof(CPUState, regs[R_ECX])); |
| } |
| gen_shiftd_rm_T1_T3(s, ot, opreg, op); |
| break; |
| |
| /************************/ |
| /* floats */ |
| case 0xd8 ... 0xdf: |
| if (s->flags & (HF_EM_MASK | HF_TS_MASK)) { |
| /* if CR0.EM or CR0.TS are set, generate an FPU exception */ |
| /* XXX: what to do if illegal op ? */ |
| gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); |
| break; |
| } |
| modrm = ldub_code(s->pc++); |
| mod = (modrm >> 6) & 3; |
| rm = modrm & 7; |
| op = ((b & 7) << 3) | ((modrm >> 3) & 7); |
| if (mod != 3) { |
| /* memory op */ |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| switch(op) { |
| case 0x00 ... 0x07: /* fxxxs */ |
| case 0x10 ... 0x17: /* fixxxl */ |
| case 0x20 ... 0x27: /* fxxxl */ |
| case 0x30 ... 0x37: /* fixxx */ |
| { |
| int op1; |
| op1 = op & 7; |
| |
| switch(op >> 4) { |
| case 0: |
| gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
| tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]); |
| tcg_gen_helper_0_1(helper_flds_FT0, cpu_tmp2_i32); |
| break; |
| case 1: |
| gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
| tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]); |
| tcg_gen_helper_0_1(helper_fildl_FT0, cpu_tmp2_i32); |
| break; |
| case 2: |
| tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0, |
| (s->mem_index >> 2) - 1); |
| tcg_gen_helper_0_1(helper_fldl_FT0, cpu_tmp1_i64); |
| break; |
| case 3: |
| default: |
| gen_op_lds_T0_A0(OT_WORD + s->mem_index); |
| tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]); |
| tcg_gen_helper_0_1(helper_fildl_FT0, cpu_tmp2_i32); |
| break; |
| } |
| |
| tcg_gen_helper_0_0(helper_fp_arith_ST0_FT0[op1]); |
| if (op1 == 3) { |
| /* fcomp needs pop */ |
| tcg_gen_helper_0_0(helper_fpop); |
| } |
| } |
| break; |
| case 0x08: /* flds */ |
| case 0x0a: /* fsts */ |
| case 0x0b: /* fstps */ |
| case 0x18 ... 0x1b: /* fildl, fisttpl, fistl, fistpl */ |
| case 0x28 ... 0x2b: /* fldl, fisttpll, fstl, fstpl */ |
| case 0x38 ... 0x3b: /* filds, fisttps, fists, fistps */ |
| switch(op & 7) { |
| case 0: |
| switch(op >> 4) { |
| case 0: |
| gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
| tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]); |
| tcg_gen_helper_0_1(helper_flds_ST0, cpu_tmp2_i32); |
| break; |
| case 1: |
| gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
| tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]); |
| tcg_gen_helper_0_1(helper_fildl_ST0, cpu_tmp2_i32); |
| break; |
| case 2: |
| tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0, |
| (s->mem_index >> 2) - 1); |
| tcg_gen_helper_0_1(helper_fldl_ST0, cpu_tmp1_i64); |
| break; |
| case 3: |
| default: |
| gen_op_lds_T0_A0(OT_WORD + s->mem_index); |
| tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]); |
| tcg_gen_helper_0_1(helper_fildl_ST0, cpu_tmp2_i32); |
| break; |
| } |
| break; |
| case 1: |
| /* XXX: the corresponding CPUID bit must be tested ! */ |
| switch(op >> 4) { |
| case 1: |
| tcg_gen_helper_1_0(helper_fisttl_ST0, cpu_tmp2_i32); |
| tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32); |
| gen_op_st_T0_A0(OT_LONG + s->mem_index); |
| break; |
| case 2: |
| tcg_gen_helper_1_0(helper_fisttll_ST0, cpu_tmp1_i64); |
| tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0, |
| (s->mem_index >> 2) - 1); |
| break; |
| case 3: |
| default: |
| tcg_gen_helper_1_0(helper_fistt_ST0, cpu_tmp2_i32); |
| tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32); |
| gen_op_st_T0_A0(OT_WORD + s->mem_index); |
| break; |
| } |
| tcg_gen_helper_0_0(helper_fpop); |
| break; |
| default: |
| switch(op >> 4) { |
| case 0: |
| tcg_gen_helper_1_0(helper_fsts_ST0, cpu_tmp2_i32); |
| tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32); |
| gen_op_st_T0_A0(OT_LONG + s->mem_index); |
| break; |
| case 1: |
| tcg_gen_helper_1_0(helper_fistl_ST0, cpu_tmp2_i32); |
| tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32); |
| gen_op_st_T0_A0(OT_LONG + s->mem_index); |
| break; |
| case 2: |
| tcg_gen_helper_1_0(helper_fstl_ST0, cpu_tmp1_i64); |
| tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0, |
| (s->mem_index >> 2) - 1); |
| break; |
| case 3: |
| default: |
| tcg_gen_helper_1_0(helper_fist_ST0, cpu_tmp2_i32); |
| tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32); |
| gen_op_st_T0_A0(OT_WORD + s->mem_index); |
| break; |
| } |
| if ((op & 7) == 3) |
| tcg_gen_helper_0_0(helper_fpop); |
| break; |
| } |
| break; |
| case 0x0c: /* fldenv mem */ |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_2(helper_fldenv, |
| cpu_A0, tcg_const_i32(s->dflag)); |
| break; |
| case 0x0d: /* fldcw mem */ |
| gen_op_ld_T0_A0(OT_WORD + s->mem_index); |
| tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]); |
| tcg_gen_helper_0_1(helper_fldcw, cpu_tmp2_i32); |
| break; |
| case 0x0e: /* fnstenv mem */ |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_2(helper_fstenv, |
| cpu_A0, tcg_const_i32(s->dflag)); |
| break; |
| case 0x0f: /* fnstcw mem */ |
| tcg_gen_helper_1_0(helper_fnstcw, cpu_tmp2_i32); |
| tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32); |
| gen_op_st_T0_A0(OT_WORD + s->mem_index); |
| break; |
| case 0x1d: /* fldt mem */ |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_1(helper_fldt_ST0, cpu_A0); |
| break; |
| case 0x1f: /* fstpt mem */ |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_1(helper_fstt_ST0, cpu_A0); |
| tcg_gen_helper_0_0(helper_fpop); |
| break; |
| case 0x2c: /* frstor mem */ |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_2(helper_frstor, |
| cpu_A0, tcg_const_i32(s->dflag)); |
| break; |
| case 0x2e: /* fnsave mem */ |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_2(helper_fsave, |
| cpu_A0, tcg_const_i32(s->dflag)); |
| break; |
| case 0x2f: /* fnstsw mem */ |
| tcg_gen_helper_1_0(helper_fnstsw, cpu_tmp2_i32); |
| tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32); |
| gen_op_st_T0_A0(OT_WORD + s->mem_index); |
| break; |
| case 0x3c: /* fbld */ |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_1(helper_fbld_ST0, cpu_A0); |
| break; |
| case 0x3e: /* fbstp */ |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_1(helper_fbst_ST0, cpu_A0); |
| tcg_gen_helper_0_0(helper_fpop); |
| break; |
| case 0x3d: /* fildll */ |
| tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0, |
| (s->mem_index >> 2) - 1); |
| tcg_gen_helper_0_1(helper_fildll_ST0, cpu_tmp1_i64); |
| break; |
| case 0x3f: /* fistpll */ |
| tcg_gen_helper_1_0(helper_fistll_ST0, cpu_tmp1_i64); |
| tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0, |
| (s->mem_index >> 2) - 1); |
| tcg_gen_helper_0_0(helper_fpop); |
| break; |
| default: |
| goto illegal_op; |
| } |
| } else { |
| /* register float ops */ |
| opreg = rm; |
| |
| switch(op) { |
| case 0x08: /* fld sti */ |
| tcg_gen_helper_0_0(helper_fpush); |
| tcg_gen_helper_0_1(helper_fmov_ST0_STN, tcg_const_i32((opreg + 1) & 7)); |
| break; |
| case 0x09: /* fxchg sti */ |
| case 0x29: /* fxchg4 sti, undocumented op */ |
| case 0x39: /* fxchg7 sti, undocumented op */ |
| tcg_gen_helper_0_1(helper_fxchg_ST0_STN, tcg_const_i32(opreg)); |
| break; |
| case 0x0a: /* grp d9/2 */ |
| switch(rm) { |
| case 0: /* fnop */ |
| /* check exceptions (FreeBSD FPU probe) */ |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_0(helper_fwait); |
| break; |
| default: |
| goto illegal_op; |
| } |
| break; |
| case 0x0c: /* grp d9/4 */ |
| switch(rm) { |
| case 0: /* fchs */ |
| tcg_gen_helper_0_0(helper_fchs_ST0); |
| break; |
| case 1: /* fabs */ |
| tcg_gen_helper_0_0(helper_fabs_ST0); |
| break; |
| case 4: /* ftst */ |
| tcg_gen_helper_0_0(helper_fldz_FT0); |
| tcg_gen_helper_0_0(helper_fcom_ST0_FT0); |
| break; |
| case 5: /* fxam */ |
| tcg_gen_helper_0_0(helper_fxam_ST0); |
| break; |
| default: |
| goto illegal_op; |
| } |
| break; |
| case 0x0d: /* grp d9/5 */ |
| { |
| switch(rm) { |
| case 0: |
| tcg_gen_helper_0_0(helper_fpush); |
| tcg_gen_helper_0_0(helper_fld1_ST0); |
| break; |
| case 1: |
| tcg_gen_helper_0_0(helper_fpush); |
| tcg_gen_helper_0_0(helper_fldl2t_ST0); |
| break; |
| case 2: |
| tcg_gen_helper_0_0(helper_fpush); |
| tcg_gen_helper_0_0(helper_fldl2e_ST0); |
| break; |
| case 3: |
| tcg_gen_helper_0_0(helper_fpush); |
| tcg_gen_helper_0_0(helper_fldpi_ST0); |
| break; |
| case 4: |
| tcg_gen_helper_0_0(helper_fpush); |
| tcg_gen_helper_0_0(helper_fldlg2_ST0); |
| break; |
| case 5: |
| tcg_gen_helper_0_0(helper_fpush); |
| tcg_gen_helper_0_0(helper_fldln2_ST0); |
| break; |
| case 6: |
| tcg_gen_helper_0_0(helper_fpush); |
| tcg_gen_helper_0_0(helper_fldz_ST0); |
| break; |
| default: |
| goto illegal_op; |
| } |
| } |
| break; |
| case 0x0e: /* grp d9/6 */ |
| switch(rm) { |
| case 0: /* f2xm1 */ |
| tcg_gen_helper_0_0(helper_f2xm1); |
| break; |
| case 1: /* fyl2x */ |
| tcg_gen_helper_0_0(helper_fyl2x); |
| break; |
| case 2: /* fptan */ |
| tcg_gen_helper_0_0(helper_fptan); |
| break; |
| case 3: /* fpatan */ |
| tcg_gen_helper_0_0(helper_fpatan); |
| break; |
| case 4: /* fxtract */ |
| tcg_gen_helper_0_0(helper_fxtract); |
| break; |
| case 5: /* fprem1 */ |
| tcg_gen_helper_0_0(helper_fprem1); |
| break; |
| case 6: /* fdecstp */ |
| tcg_gen_helper_0_0(helper_fdecstp); |
| break; |
| default: |
| case 7: /* fincstp */ |
| tcg_gen_helper_0_0(helper_fincstp); |
| break; |
| } |
| break; |
| case 0x0f: /* grp d9/7 */ |
| switch(rm) { |
| case 0: /* fprem */ |
| tcg_gen_helper_0_0(helper_fprem); |
| break; |
| case 1: /* fyl2xp1 */ |
| tcg_gen_helper_0_0(helper_fyl2xp1); |
| break; |
| case 2: /* fsqrt */ |
| tcg_gen_helper_0_0(helper_fsqrt); |
| break; |
| case 3: /* fsincos */ |
| tcg_gen_helper_0_0(helper_fsincos); |
| break; |
| case 5: /* fscale */ |
| tcg_gen_helper_0_0(helper_fscale); |
| break; |
| case 4: /* frndint */ |
| tcg_gen_helper_0_0(helper_frndint); |
| break; |
| case 6: /* fsin */ |
| tcg_gen_helper_0_0(helper_fsin); |
| break; |
| default: |
| case 7: /* fcos */ |
| tcg_gen_helper_0_0(helper_fcos); |
| break; |
| } |
| break; |
| case 0x00: case 0x01: case 0x04 ... 0x07: /* fxxx st, sti */ |
| case 0x20: case 0x21: case 0x24 ... 0x27: /* fxxx sti, st */ |
| case 0x30: case 0x31: case 0x34 ... 0x37: /* fxxxp sti, st */ |
| { |
| int op1; |
| |
| op1 = op & 7; |
| if (op >= 0x20) { |
| tcg_gen_helper_0_1(helper_fp_arith_STN_ST0[op1], tcg_const_i32(opreg)); |
| if (op >= 0x30) |
| tcg_gen_helper_0_0(helper_fpop); |
| } else { |
| tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg)); |
| tcg_gen_helper_0_0(helper_fp_arith_ST0_FT0[op1]); |
| } |
| } |
| break; |
| case 0x02: /* fcom */ |
| case 0x22: /* fcom2, undocumented op */ |
| tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg)); |
| tcg_gen_helper_0_0(helper_fcom_ST0_FT0); |
| break; |
| case 0x03: /* fcomp */ |
| case 0x23: /* fcomp3, undocumented op */ |
| case 0x32: /* fcomp5, undocumented op */ |
| tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg)); |
| tcg_gen_helper_0_0(helper_fcom_ST0_FT0); |
| tcg_gen_helper_0_0(helper_fpop); |
| break; |
| case 0x15: /* da/5 */ |
| switch(rm) { |
| case 1: /* fucompp */ |
| tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(1)); |
| tcg_gen_helper_0_0(helper_fucom_ST0_FT0); |
| tcg_gen_helper_0_0(helper_fpop); |
| tcg_gen_helper_0_0(helper_fpop); |
| break; |
| default: |
| goto illegal_op; |
| } |
| break; |
| case 0x1c: |
| switch(rm) { |
| case 0: /* feni (287 only, just do nop here) */ |
| break; |
| case 1: /* fdisi (287 only, just do nop here) */ |
| break; |
| case 2: /* fclex */ |
| tcg_gen_helper_0_0(helper_fclex); |
| break; |
| case 3: /* fninit */ |
| tcg_gen_helper_0_0(helper_fninit); |
| break; |
| case 4: /* fsetpm (287 only, just do nop here) */ |
| break; |
| default: |
| goto illegal_op; |
| } |
| break; |
| case 0x1d: /* fucomi */ |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg)); |
| tcg_gen_helper_0_0(helper_fucomi_ST0_FT0); |
| s->cc_op = CC_OP_EFLAGS; |
| break; |
| case 0x1e: /* fcomi */ |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg)); |
| tcg_gen_helper_0_0(helper_fcomi_ST0_FT0); |
| s->cc_op = CC_OP_EFLAGS; |
| break; |
| case 0x28: /* ffree sti */ |
| tcg_gen_helper_0_1(helper_ffree_STN, tcg_const_i32(opreg)); |
| break; |
| case 0x2a: /* fst sti */ |
| tcg_gen_helper_0_1(helper_fmov_STN_ST0, tcg_const_i32(opreg)); |
| break; |
| case 0x2b: /* fstp sti */ |
| case 0x0b: /* fstp1 sti, undocumented op */ |
| case 0x3a: /* fstp8 sti, undocumented op */ |
| case 0x3b: /* fstp9 sti, undocumented op */ |
| tcg_gen_helper_0_1(helper_fmov_STN_ST0, tcg_const_i32(opreg)); |
| tcg_gen_helper_0_0(helper_fpop); |
| break; |
| case 0x2c: /* fucom st(i) */ |
| tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg)); |
| tcg_gen_helper_0_0(helper_fucom_ST0_FT0); |
| break; |
| case 0x2d: /* fucomp st(i) */ |
| tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg)); |
| tcg_gen_helper_0_0(helper_fucom_ST0_FT0); |
| tcg_gen_helper_0_0(helper_fpop); |
| break; |
| case 0x33: /* de/3 */ |
| switch(rm) { |
| case 1: /* fcompp */ |
| tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(1)); |
| tcg_gen_helper_0_0(helper_fcom_ST0_FT0); |
| tcg_gen_helper_0_0(helper_fpop); |
| tcg_gen_helper_0_0(helper_fpop); |
| break; |
| default: |
| goto illegal_op; |
| } |
| break; |
| case 0x38: /* ffreep sti, undocumented op */ |
| tcg_gen_helper_0_1(helper_ffree_STN, tcg_const_i32(opreg)); |
| tcg_gen_helper_0_0(helper_fpop); |
| break; |
| case 0x3c: /* df/4 */ |
| switch(rm) { |
| case 0: |
| tcg_gen_helper_1_0(helper_fnstsw, cpu_tmp2_i32); |
| tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32); |
| gen_op_mov_reg_T0(OT_WORD, R_EAX); |
| break; |
| default: |
| goto illegal_op; |
| } |
| break; |
| case 0x3d: /* fucomip */ |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg)); |
| tcg_gen_helper_0_0(helper_fucomi_ST0_FT0); |
| tcg_gen_helper_0_0(helper_fpop); |
| s->cc_op = CC_OP_EFLAGS; |
| break; |
| case 0x3e: /* fcomip */ |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg)); |
| tcg_gen_helper_0_0(helper_fcomi_ST0_FT0); |
| tcg_gen_helper_0_0(helper_fpop); |
| s->cc_op = CC_OP_EFLAGS; |
| break; |
| case 0x10 ... 0x13: /* fcmovxx */ |
| case 0x18 ... 0x1b: |
| { |
| int op1, l1; |
| static const 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) ^ 1); |
| l1 = gen_new_label(); |
| gen_jcc1(s, s->cc_op, op1, l1); |
| tcg_gen_helper_0_1(helper_fmov_ST0_STN, tcg_const_i32(opreg)); |
| gen_set_label(l1); |
| } |
| break; |
| default: |
| goto illegal_op; |
| } |
| } |
| break; |
| /************************/ |
| /* string ops */ |
| |
| case 0xa4: /* movsS */ |
| case 0xa5: |
| if ((b & 1) == 0) |
| ot = OT_BYTE; |
| else |
| ot = dflag + OT_WORD; |
| |
| if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) { |
| gen_repz_movs(s, ot, pc_start - s->cs_base, s->pc - s->cs_base); |
| } else { |
| gen_movs(s, ot); |
| } |
| break; |
| |
| case 0xaa: /* stosS */ |
| case 0xab: |
| if ((b & 1) == 0) |
| ot = OT_BYTE; |
| else |
| ot = dflag + OT_WORD; |
| |
| if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) { |
| gen_repz_stos(s, ot, pc_start - s->cs_base, s->pc - s->cs_base); |
| } else { |
| gen_stos(s, ot); |
| } |
| break; |
| case 0xac: /* lodsS */ |
| case 0xad: |
| if ((b & 1) == 0) |
| ot = OT_BYTE; |
| else |
| ot = dflag + OT_WORD; |
| if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) { |
| gen_repz_lods(s, ot, pc_start - s->cs_base, s->pc - s->cs_base); |
| } else { |
| gen_lods(s, ot); |
| } |
| break; |
| case 0xae: /* scasS */ |
| case 0xaf: |
| if ((b & 1) == 0) |
| ot = OT_BYTE; |
| else |
| ot = dflag + OT_WORD; |
| if (prefixes & PREFIX_REPNZ) { |
| gen_repz_scas(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 1); |
| } else if (prefixes & PREFIX_REPZ) { |
| gen_repz_scas(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 0); |
| } else { |
| gen_scas(s, ot); |
| s->cc_op = CC_OP_SUBB + ot; |
| } |
| break; |
| |
| case 0xa6: /* cmpsS */ |
| case 0xa7: |
| if ((b & 1) == 0) |
| ot = OT_BYTE; |
| else |
| ot = dflag + OT_WORD; |
| if (prefixes & PREFIX_REPNZ) { |
| gen_repz_cmps(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 1); |
| } else if (prefixes & PREFIX_REPZ) { |
| gen_repz_cmps(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 0); |
| } else { |
| gen_cmps(s, ot); |
| s->cc_op = CC_OP_SUBB + ot; |
| } |
| break; |
| case 0x6c: /* insS */ |
| case 0x6d: |
| if ((b & 1) == 0) |
| ot = OT_BYTE; |
| else |
| ot = dflag ? OT_LONG : OT_WORD; |
| gen_op_mov_TN_reg(OT_WORD, 0, R_EDX); |
| gen_op_andl_T0_ffff(); |
| gen_check_io(s, ot, pc_start - s->cs_base, |
| SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes) | 4); |
| if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) { |
| gen_repz_ins(s, ot, pc_start - s->cs_base, s->pc - s->cs_base); |
| } else { |
| gen_ins(s, ot); |
| if (use_icount) { |
| gen_jmp(s, s->pc - s->cs_base); |
| } |
| } |
| break; |
| case 0x6e: /* outsS */ |
| case 0x6f: |
| if ((b & 1) == 0) |
| ot = OT_BYTE; |
| else |
| ot = dflag ? OT_LONG : OT_WORD; |
| gen_op_mov_TN_reg(OT_WORD, 0, R_EDX); |
| gen_op_andl_T0_ffff(); |
| gen_check_io(s, ot, pc_start - s->cs_base, |
| svm_is_rep(prefixes) | 4); |
| if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) { |
| gen_repz_outs(s, ot, pc_start - s->cs_base, s->pc - s->cs_base); |
| } else { |
| gen_outs(s, ot); |
| if (use_icount) { |
| gen_jmp(s, s->pc - s->cs_base); |
| } |
| } |
| break; |
| |
| /************************/ |
| /* port I/O */ |
| |
| case 0xe4: |
| case 0xe5: |
| if ((b & 1) == 0) |
| ot = OT_BYTE; |
| else |
| ot = dflag ? OT_LONG : OT_WORD; |
| val = ldub_code(s->pc++); |
| gen_op_movl_T0_im(val); |
| gen_check_io(s, ot, pc_start - s->cs_base, |
| SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes)); |
| if (use_icount) |
| gen_io_start(); |
| tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]); |
| tcg_gen_helper_1_1(helper_in_func[ot], cpu_T[1], cpu_tmp2_i32); |
| gen_op_mov_reg_T1(ot, R_EAX); |
| if (use_icount) { |
| gen_io_end(); |
| gen_jmp(s, s->pc - s->cs_base); |
| } |
| break; |
| case 0xe6: |
| case 0xe7: |
| if ((b & 1) == 0) |
| ot = OT_BYTE; |
| else |
| ot = dflag ? OT_LONG : OT_WORD; |
| val = ldub_code(s->pc++); |
| gen_op_movl_T0_im(val); |
| gen_check_io(s, ot, pc_start - s->cs_base, |
| svm_is_rep(prefixes)); |
| gen_op_mov_TN_reg(ot, 1, R_EAX); |
| |
| if (use_icount) |
| gen_io_start(); |
| tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]); |
| tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff); |
| tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T[1]); |
| tcg_gen_helper_0_2(helper_out_func[ot], cpu_tmp2_i32, cpu_tmp3_i32); |
| if (use_icount) { |
| gen_io_end(); |
| gen_jmp(s, s->pc - s->cs_base); |
| } |
| break; |
| case 0xec: |
| case 0xed: |
| if ((b & 1) == 0) |
| ot = OT_BYTE; |
| else |
| ot = dflag ? OT_LONG : OT_WORD; |
| gen_op_mov_TN_reg(OT_WORD, 0, R_EDX); |
| gen_op_andl_T0_ffff(); |
| gen_check_io(s, ot, pc_start - s->cs_base, |
| SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes)); |
| if (use_icount) |
| gen_io_start(); |
| tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]); |
| tcg_gen_helper_1_1(helper_in_func[ot], cpu_T[1], cpu_tmp2_i32); |
| gen_op_mov_reg_T1(ot, R_EAX); |
| if (use_icount) { |
| gen_io_end(); |
| gen_jmp(s, s->pc - s->cs_base); |
| } |
| break; |
| case 0xee: |
| case 0xef: |
| if ((b & 1) == 0) |
| ot = OT_BYTE; |
| else |
| ot = dflag ? OT_LONG : OT_WORD; |
| gen_op_mov_TN_reg(OT_WORD, 0, R_EDX); |
| gen_op_andl_T0_ffff(); |
| gen_check_io(s, ot, pc_start - s->cs_base, |
| svm_is_rep(prefixes)); |
| gen_op_mov_TN_reg(ot, 1, R_EAX); |
| |
| if (use_icount) |
| gen_io_start(); |
| tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]); |
| tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff); |
| tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T[1]); |
| tcg_gen_helper_0_2(helper_out_func[ot], cpu_tmp2_i32, cpu_tmp3_i32); |
| if (use_icount) { |
| gen_io_end(); |
| gen_jmp(s, s->pc - s->cs_base); |
| } |
| break; |
| |
| /************************/ |
| /* control */ |
| case 0xc2: /* ret im */ |
| val = ldsw_code(s->pc); |
| s->pc += 2; |
| gen_pop_T0(s); |
| if (CODE64(s) && s->dflag) |
| s->dflag = 2; |
| gen_stack_update(s, val + (2 << s->dflag)); |
| if (s->dflag == 0) |
| gen_op_andl_T0_ffff(); |
| gen_op_jmp_T0(); |
| gen_eob(s); |
| break; |
| case 0xc3: /* ret */ |
| gen_pop_T0(s); |
| gen_pop_update(s); |
| if (s->dflag == 0) |
| gen_op_andl_T0_ffff(); |
| gen_op_jmp_T0(); |
| gen_eob(s); |
| break; |
| case 0xca: /* lret im */ |
| val = ldsw_code(s->pc); |
| s->pc += 2; |
| do_lret: |
| if (s->pe && !s->vm86) { |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_2(helper_lret_protected, |
| tcg_const_i32(s->dflag), |
| tcg_const_i32(val)); |
| } else { |
| gen_stack_A0(s); |
| /* pop offset */ |
| gen_op_ld_T0_A0(1 + s->dflag + s->mem_index); |
| if (s->dflag == 0) |
| gen_op_andl_T0_ffff(); |
| /* NOTE: keeping EIP updated is not a problem in case of |
| exception */ |
| gen_op_jmp_T0(); |
| /* pop selector */ |
| gen_op_addl_A0_im(2 << s->dflag); |
| gen_op_ld_T0_A0(1 + s->dflag + s->mem_index); |
| gen_op_movl_seg_T0_vm(R_CS); |
| /* add stack offset */ |
| gen_stack_update(s, val + (4 << s->dflag)); |
| } |
| gen_eob(s); |
| break; |
| case 0xcb: /* lret */ |
| val = 0; |
| goto do_lret; |
| case 0xcf: /* iret */ |
| gen_svm_check_intercept(s, pc_start, SVM_EXIT_IRET); |
| if (!s->pe) { |
| /* real mode */ |
| tcg_gen_helper_0_1(helper_iret_real, tcg_const_i32(s->dflag)); |
| s->cc_op = CC_OP_EFLAGS; |
| } else if (s->vm86) { |
| if (s->iopl != 3) { |
| gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
| } else { |
| tcg_gen_helper_0_1(helper_iret_real, tcg_const_i32(s->dflag)); |
| s->cc_op = CC_OP_EFLAGS; |
| } |
| } else { |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_2(helper_iret_protected, |
| tcg_const_i32(s->dflag), |
| tcg_const_i32(s->pc - s->cs_base)); |
| s->cc_op = CC_OP_EFLAGS; |
| } |
| gen_eob(s); |
| break; |
| case 0xe8: /* call im */ |
| { |
| if (dflag) |
| tval = (int32_t)insn_get(s, OT_LONG); |
| else |
| tval = (int16_t)insn_get(s, OT_WORD); |
| next_eip = s->pc - s->cs_base; |
| tval += next_eip; |
| if (s->dflag == 0) |
| tval &= 0xffff; |
| gen_movtl_T0_im(next_eip); |
| gen_push_T0(s); |
| gen_jmp(s, tval); |
| } |
| break; |
| case 0x9a: /* lcall im */ |
| { |
| unsigned int selector, offset; |
| |
| if (CODE64(s)) |
| goto illegal_op; |
| ot = dflag ? OT_LONG : OT_WORD; |
| offset = insn_get(s, ot); |
| selector = insn_get(s, OT_WORD); |
| |
| gen_op_movl_T0_im(selector); |
| gen_op_movl_T1_imu(offset); |
| } |
| goto do_lcall; |
| case 0xe9: /* jmp im */ |
| if (dflag) |
| tval = (int32_t)insn_get(s, OT_LONG); |
| else |
| tval = (int16_t)insn_get(s, OT_WORD); |
| tval += s->pc - s->cs_base; |
| if (s->dflag == 0) |
| tval &= 0xffff; |
| gen_jmp(s, tval); |
| break; |
| case 0xea: /* ljmp im */ |
| { |
| unsigned int selector, offset; |
| |
| if (CODE64(s)) |
| goto illegal_op; |
| ot = dflag ? OT_LONG : OT_WORD; |
| offset = insn_get(s, ot); |
| selector = insn_get(s, OT_WORD); |
| |
| gen_op_movl_T0_im(selector); |
| gen_op_movl_T1_imu(offset); |
| } |
| goto do_ljmp; |
| case 0xeb: /* jmp Jb */ |
| tval = (int8_t)insn_get(s, OT_BYTE); |
| tval += s->pc - s->cs_base; |
| if (s->dflag == 0) |
| tval &= 0xffff; |
| gen_jmp(s, tval); |
| break; |
| case 0x70 ... 0x7f: /* jcc Jb */ |
| tval = (int8_t)insn_get(s, OT_BYTE); |
| goto do_jcc; |
| case 0x180 ... 0x18f: /* jcc Jv */ |
| if (dflag) { |
| tval = (int32_t)insn_get(s, OT_LONG); |
| } else { |
| tval = (int16_t)insn_get(s, OT_WORD); |
| } |
| do_jcc: |
| next_eip = s->pc - s->cs_base; |
| tval += next_eip; |
| if (s->dflag == 0) |
| tval &= 0xffff; |
| gen_jcc(s, b, tval, next_eip); |
| break; |
| |
| case 0x190 ... 0x19f: /* setcc Gv */ |
| modrm = ldub_code(s->pc++); |
| gen_setcc(s, b); |
| gen_ldst_modrm(s, modrm, OT_BYTE, OR_TMP0, 1); |
| break; |
| case 0x140 ... 0x14f: /* cmov Gv, Ev */ |
| { |
| int l1; |
| TCGv t0; |
| |
| ot = dflag + OT_WORD; |
| modrm = ldub_code(s->pc++); |
| reg = ((modrm >> 3) & 7) | rex_r; |
| mod = (modrm >> 6) & 3; |
| t0 = tcg_temp_local_new(TCG_TYPE_TL); |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| gen_op_ld_v(ot + s->mem_index, t0, cpu_A0); |
| } else { |
| rm = (modrm & 7) | REX_B(s); |
| gen_op_mov_v_reg(ot, t0, rm); |
| } |
| #ifdef TARGET_X86_64 |
| if (ot == OT_LONG) { |
| /* XXX: specific Intel behaviour ? */ |
| l1 = gen_new_label(); |
| gen_jcc1(s, s->cc_op, b ^ 1, l1); |
| tcg_gen_st32_tl(t0, cpu_env, offsetof(CPUState, regs[reg]) + REG_L_OFFSET); |
| gen_set_label(l1); |
| tcg_gen_movi_tl(cpu_tmp0, 0); |
| tcg_gen_st32_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]) + REG_LH_OFFSET); |
| } else |
| #endif |
| { |
| l1 = gen_new_label(); |
| gen_jcc1(s, s->cc_op, b ^ 1, l1); |
| gen_op_mov_reg_v(ot, reg, t0); |
| gen_set_label(l1); |
| } |
| tcg_temp_free(t0); |
| } |
| break; |
| |
| /************************/ |
| /* flags */ |
| case 0x9c: /* pushf */ |
| gen_svm_check_intercept(s, pc_start, SVM_EXIT_PUSHF); |
| if (s->vm86 && s->iopl != 3) { |
| gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
| } else { |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| tcg_gen_helper_1_0(helper_read_eflags, cpu_T[0]); |
| gen_push_T0(s); |
| } |
| break; |
| case 0x9d: /* popf */ |
| gen_svm_check_intercept(s, pc_start, SVM_EXIT_POPF); |
| if (s->vm86 && s->iopl != 3) { |
| gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
| } else { |
| gen_pop_T0(s); |
| if (s->cpl == 0) { |
| if (s->dflag) { |
| tcg_gen_helper_0_2(helper_write_eflags, cpu_T[0], |
| tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK | IOPL_MASK))); |
| } else { |
| tcg_gen_helper_0_2(helper_write_eflags, cpu_T[0], |
| tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK | IOPL_MASK) & 0xffff)); |
| } |
| } else { |
| if (s->cpl <= s->iopl) { |
| if (s->dflag) { |
| tcg_gen_helper_0_2(helper_write_eflags, cpu_T[0], |
| tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK))); |
| } else { |
| tcg_gen_helper_0_2(helper_write_eflags, cpu_T[0], |
| tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK) & 0xffff)); |
| } |
| } else { |
| if (s->dflag) { |
| tcg_gen_helper_0_2(helper_write_eflags, cpu_T[0], |
| tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK))); |
| } else { |
| tcg_gen_helper_0_2(helper_write_eflags, cpu_T[0], |
| tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK) & 0xffff)); |
| } |
| } |
| } |
| gen_pop_update(s); |
| s->cc_op = CC_OP_EFLAGS; |
| /* abort translation because TF flag may change */ |
| gen_jmp_im(s->pc - s->cs_base); |
| gen_eob(s); |
| } |
| break; |
| case 0x9e: /* sahf */ |
| if (CODE64(s) && !(s->cpuid_ext3_features & CPUID_EXT3_LAHF_LM)) |
| goto illegal_op; |
| gen_op_mov_TN_reg(OT_BYTE, 0, R_AH); |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_compute_eflags(cpu_cc_src); |
| tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, CC_O); |
| tcg_gen_andi_tl(cpu_T[0], cpu_T[0], CC_S | CC_Z | CC_A | CC_P | CC_C); |
| tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, cpu_T[0]); |
| s->cc_op = CC_OP_EFLAGS; |
| break; |
| case 0x9f: /* lahf */ |
| if (CODE64(s) && !(s->cpuid_ext3_features & CPUID_EXT3_LAHF_LM)) |
| goto illegal_op; |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_compute_eflags(cpu_T[0]); |
| /* Note: gen_compute_eflags() only gives the condition codes */ |
| tcg_gen_ori_tl(cpu_T[0], cpu_T[0], 0x02); |
| gen_op_mov_reg_T0(OT_BYTE, R_AH); |
| break; |
| case 0xf5: /* cmc */ |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_compute_eflags(cpu_cc_src); |
| tcg_gen_xori_tl(cpu_cc_src, cpu_cc_src, CC_C); |
| s->cc_op = CC_OP_EFLAGS; |
| break; |
| case 0xf8: /* clc */ |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_compute_eflags(cpu_cc_src); |
| tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, ~CC_C); |
| s->cc_op = CC_OP_EFLAGS; |
| break; |
| case 0xf9: /* stc */ |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_compute_eflags(cpu_cc_src); |
| tcg_gen_ori_tl(cpu_cc_src, cpu_cc_src, CC_C); |
| s->cc_op = CC_OP_EFLAGS; |
| break; |
| case 0xfc: /* cld */ |
| tcg_gen_movi_i32(cpu_tmp2_i32, 1); |
| tcg_gen_st_i32(cpu_tmp2_i32, cpu_env, offsetof(CPUState, df)); |
| break; |
| case 0xfd: /* std */ |
| tcg_gen_movi_i32(cpu_tmp2_i32, -1); |
| tcg_gen_st_i32(cpu_tmp2_i32, cpu_env, offsetof(CPUState, df)); |
| break; |
| |
| /************************/ |
| /* bit operations */ |
| case 0x1ba: /* bt/bts/btr/btc Gv, im */ |
| ot = dflag + OT_WORD; |
| modrm = ldub_code(s->pc++); |
| op = (modrm >> 3) & 7; |
| mod = (modrm >> 6) & 3; |
| rm = (modrm & 7) | REX_B(s); |
| if (mod != 3) { |
| s->rip_offset = 1; |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| gen_op_ld_T0_A0(ot + s->mem_index); |
| } else { |
| gen_op_mov_TN_reg(ot, 0, rm); |
| } |
| /* load shift */ |
| val = ldub_code(s->pc++); |
| gen_op_movl_T1_im(val); |
| if (op < 4) |
| goto illegal_op; |
| op -= 4; |
| goto bt_op; |
| case 0x1a3: /* bt Gv, Ev */ |
| op = 0; |
| goto do_btx; |
| case 0x1ab: /* bts */ |
| op = 1; |
| goto do_btx; |
| case 0x1b3: /* btr */ |
| op = 2; |
| goto do_btx; |
| case 0x1bb: /* btc */ |
| op = 3; |
| do_btx: |
| ot = dflag + OT_WORD; |
| modrm = ldub_code(s->pc++); |
| reg = ((modrm >> 3) & 7) | rex_r; |
| mod = (modrm >> 6) & 3; |
| rm = (modrm & 7) | REX_B(s); |
| gen_op_mov_TN_reg(OT_LONG, 1, reg); |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| /* specific case: we need to add a displacement */ |
| gen_exts(ot, cpu_T[1]); |
| tcg_gen_sari_tl(cpu_tmp0, cpu_T[1], 3 + ot); |
| tcg_gen_shli_tl(cpu_tmp0, cpu_tmp0, ot); |
| tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0); |
| gen_op_ld_T0_A0(ot + s->mem_index); |
| } else { |
| gen_op_mov_TN_reg(ot, 0, rm); |
| } |
| bt_op: |
| tcg_gen_andi_tl(cpu_T[1], cpu_T[1], (1 << (3 + ot)) - 1); |
| switch(op) { |
| case 0: |
| tcg_gen_shr_tl(cpu_cc_src, cpu_T[0], cpu_T[1]); |
| tcg_gen_movi_tl(cpu_cc_dst, 0); |
| break; |
| case 1: |
| tcg_gen_shr_tl(cpu_tmp4, cpu_T[0], cpu_T[1]); |
| tcg_gen_movi_tl(cpu_tmp0, 1); |
| tcg_gen_shl_tl(cpu_tmp0, cpu_tmp0, cpu_T[1]); |
| tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_tmp0); |
| break; |
| case 2: |
| tcg_gen_shr_tl(cpu_tmp4, cpu_T[0], cpu_T[1]); |
| tcg_gen_movi_tl(cpu_tmp0, 1); |
| tcg_gen_shl_tl(cpu_tmp0, cpu_tmp0, cpu_T[1]); |
| tcg_gen_not_tl(cpu_tmp0, cpu_tmp0); |
| tcg_gen_and_tl(cpu_T[0], cpu_T[0], cpu_tmp0); |
| break; |
| default: |
| case 3: |
| tcg_gen_shr_tl(cpu_tmp4, cpu_T[0], cpu_T[1]); |
| tcg_gen_movi_tl(cpu_tmp0, 1); |
| tcg_gen_shl_tl(cpu_tmp0, cpu_tmp0, cpu_T[1]); |
| tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_tmp0); |
| break; |
| } |
| s->cc_op = CC_OP_SARB + ot; |
| if (op != 0) { |
| if (mod != 3) |
| gen_op_st_T0_A0(ot + s->mem_index); |
| else |
| gen_op_mov_reg_T0(ot, rm); |
| tcg_gen_mov_tl(cpu_cc_src, cpu_tmp4); |
| tcg_gen_movi_tl(cpu_cc_dst, 0); |
| } |
| break; |
| case 0x1bc: /* bsf */ |
| case 0x1bd: /* bsr */ |
| { |
| int label1; |
| TCGv t0; |
| |
| ot = dflag + OT_WORD; |
| modrm = ldub_code(s->pc++); |
| reg = ((modrm >> 3) & 7) | rex_r; |
| gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0); |
| gen_extu(ot, cpu_T[0]); |
| label1 = gen_new_label(); |
| tcg_gen_movi_tl(cpu_cc_dst, 0); |
| t0 = tcg_temp_local_new(TCG_TYPE_TL); |
| tcg_gen_mov_tl(t0, cpu_T[0]); |
| tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, label1); |
| if (b & 1) { |
| tcg_gen_helper_1_1(helper_bsr, cpu_T[0], t0); |
| } else { |
| tcg_gen_helper_1_1(helper_bsf, cpu_T[0], t0); |
| } |
| gen_op_mov_reg_T0(ot, reg); |
| tcg_gen_movi_tl(cpu_cc_dst, 1); |
| gen_set_label(label1); |
| tcg_gen_discard_tl(cpu_cc_src); |
| s->cc_op = CC_OP_LOGICB + ot; |
| tcg_temp_free(t0); |
| } |
| break; |
| /************************/ |
| /* bcd */ |
| case 0x27: /* daa */ |
| if (CODE64(s)) |
| goto illegal_op; |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| tcg_gen_helper_0_0(helper_daa); |
| s->cc_op = CC_OP_EFLAGS; |
| break; |
| case 0x2f: /* das */ |
| if (CODE64(s)) |
| goto illegal_op; |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| tcg_gen_helper_0_0(helper_das); |
| s->cc_op = CC_OP_EFLAGS; |
| break; |
| case 0x37: /* aaa */ |
| if (CODE64(s)) |
| goto illegal_op; |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| tcg_gen_helper_0_0(helper_aaa); |
| s->cc_op = CC_OP_EFLAGS; |
| break; |
| case 0x3f: /* aas */ |
| if (CODE64(s)) |
| goto illegal_op; |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| tcg_gen_helper_0_0(helper_aas); |
| s->cc_op = CC_OP_EFLAGS; |
| break; |
| case 0xd4: /* aam */ |
| if (CODE64(s)) |
| goto illegal_op; |
| val = ldub_code(s->pc++); |
| if (val == 0) { |
| gen_exception(s, EXCP00_DIVZ, pc_start - s->cs_base); |
| } else { |
| tcg_gen_helper_0_1(helper_aam, tcg_const_i32(val)); |
| s->cc_op = CC_OP_LOGICB; |
| } |
| break; |
| case 0xd5: /* aad */ |
| if (CODE64(s)) |
| goto illegal_op; |
| val = ldub_code(s->pc++); |
| tcg_gen_helper_0_1(helper_aad, tcg_const_i32(val)); |
| s->cc_op = CC_OP_LOGICB; |
| break; |
| /************************/ |
| /* misc */ |
| case 0x90: /* nop */ |
| /* XXX: xchg + rex handling */ |
| /* XXX: correct lock test for all insn */ |
| if (prefixes & PREFIX_LOCK) |
| goto illegal_op; |
| if (prefixes & PREFIX_REPZ) { |
| gen_svm_check_intercept(s, pc_start, SVM_EXIT_PAUSE); |
| } |
| break; |
| case 0x9b: /* fwait */ |
| if ((s->flags & (HF_MP_MASK | HF_TS_MASK)) == |
| (HF_MP_MASK | HF_TS_MASK)) { |
| gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); |
| } else { |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_0(helper_fwait); |
| } |
| break; |
| case 0xcc: /* int3 */ |
| 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 (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 (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_1(helper_into, tcg_const_i32(s->pc - pc_start)); |
| break; |
| case 0xf1: /* icebp (undocumented, exits to external debugger) */ |
| gen_svm_check_intercept(s, pc_start, SVM_EXIT_ICEBP); |
| #if 1 |
| gen_debug(s, pc_start - s->cs_base); |
| #else |
| /* start debug */ |
| tb_flush(cpu_single_env); |
| cpu_set_log(CPU_LOG_INT | CPU_LOG_TB_IN_ASM); |
| #endif |
| break; |
| case 0xfa: /* cli */ |
| if (!s->vm86) { |
| if (s->cpl <= s->iopl) { |
| tcg_gen_helper_0_0(helper_cli); |
| } else { |
| gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
| } |
| } else { |
| if (s->iopl == 3) { |
| tcg_gen_helper_0_0(helper_cli); |
| } else { |
| gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
| } |
| } |
| break; |
| case 0xfb: /* sti */ |
| if (!s->vm86) { |
| if (s->cpl <= s->iopl) { |
| gen_sti: |
| tcg_gen_helper_0_0(helper_sti); |
| /* interruptions are enabled only the first insn after sti */ |
| /* If several instructions disable interrupts, only the |
| _first_ does it */ |
| if (!(s->tb->flags & HF_INHIBIT_IRQ_MASK)) |
| tcg_gen_helper_0_0(helper_set_inhibit_irq); |
| /* give a chance to handle pending irqs */ |
| gen_jmp_im(s->pc - s->cs_base); |
| gen_eob(s); |
| } else { |
| gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
| } |
| } else { |
| if (s->iopl == 3) { |
| goto gen_sti; |
| } else { |
| gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
| } |
| } |
| break; |
| case 0x62: /* bound */ |
| if (CODE64(s)) |
| goto illegal_op; |
| ot = dflag ? OT_LONG : OT_WORD; |
| modrm = ldub_code(s->pc++); |
| reg = (modrm >> 3) & 7; |
| mod = (modrm >> 6) & 3; |
| if (mod == 3) |
| goto illegal_op; |
| gen_op_mov_TN_reg(ot, 0, reg); |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]); |
| if (ot == OT_WORD) |
| tcg_gen_helper_0_2(helper_boundw, cpu_A0, cpu_tmp2_i32); |
| else |
| tcg_gen_helper_0_2(helper_boundl, cpu_A0, cpu_tmp2_i32); |
| break; |
| case 0x1c8 ... 0x1cf: /* bswap reg */ |
| reg = (b & 7) | REX_B(s); |
| #ifdef TARGET_X86_64 |
| if (dflag == 2) { |
| gen_op_mov_TN_reg(OT_QUAD, 0, reg); |
| tcg_gen_bswap_i64(cpu_T[0], cpu_T[0]); |
| gen_op_mov_reg_T0(OT_QUAD, reg); |
| } else |
| { |
| TCGv tmp0; |
| gen_op_mov_TN_reg(OT_LONG, 0, reg); |
| |
| tmp0 = tcg_temp_new(TCG_TYPE_I32); |
| tcg_gen_trunc_i64_i32(tmp0, cpu_T[0]); |
| tcg_gen_bswap_i32(tmp0, tmp0); |
| tcg_gen_extu_i32_i64(cpu_T[0], tmp0); |
| gen_op_mov_reg_T0(OT_LONG, reg); |
| } |
| #else |
| { |
| gen_op_mov_TN_reg(OT_LONG, 0, reg); |
| tcg_gen_bswap_i32(cpu_T[0], cpu_T[0]); |
| gen_op_mov_reg_T0(OT_LONG, reg); |
| } |
| #endif |
| break; |
| case 0xd6: /* salc */ |
| if (CODE64(s)) |
| goto illegal_op; |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_compute_eflags_c(cpu_T[0]); |
| tcg_gen_neg_tl(cpu_T[0], cpu_T[0]); |
| gen_op_mov_reg_T0(OT_BYTE, R_EAX); |
| break; |
| case 0xe0: /* loopnz */ |
| case 0xe1: /* loopz */ |
| case 0xe2: /* loop */ |
| case 0xe3: /* jecxz */ |
| { |
| int l1, l2, l3; |
| |
| tval = (int8_t)insn_get(s, OT_BYTE); |
| next_eip = s->pc - s->cs_base; |
| tval += next_eip; |
| if (s->dflag == 0) |
| tval &= 0xffff; |
| |
| l1 = gen_new_label(); |
| l2 = gen_new_label(); |
| l3 = gen_new_label(); |
| b &= 3; |
| switch(b) { |
| case 0: /* loopnz */ |
| case 1: /* loopz */ |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_op_add_reg_im(s->aflag, R_ECX, -1); |
| gen_op_jz_ecx(s->aflag, l3); |
| gen_compute_eflags(cpu_tmp0); |
| tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, CC_Z); |
| if (b == 0) { |
| tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_tmp0, 0, l1); |
| } else { |
| tcg_gen_brcondi_tl(TCG_COND_NE, cpu_tmp0, 0, l1); |
| } |
| break; |
| case 2: /* loop */ |
| gen_op_add_reg_im(s->aflag, R_ECX, -1); |
| gen_op_jnz_ecx(s->aflag, l1); |
| break; |
| default: |
| case 3: /* jcxz */ |
| gen_op_jz_ecx(s->aflag, l1); |
| break; |
| } |
| |
| gen_set_label(l3); |
| gen_jmp_im(next_eip); |
| tcg_gen_br(l2); |
| |
| gen_set_label(l1); |
| gen_jmp_im(tval); |
| gen_set_label(l2); |
| gen_eob(s); |
| } |
| break; |
| case 0x130: /* wrmsr */ |
| case 0x132: /* rdmsr */ |
| if (s->cpl != 0) { |
| gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
| } else { |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(pc_start - s->cs_base); |
| if (b & 2) { |
| tcg_gen_helper_0_0(helper_rdmsr); |
| } else { |
| tcg_gen_helper_0_0(helper_wrmsr); |
| } |
| } |
| break; |
| case 0x131: /* rdtsc */ |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(pc_start - s->cs_base); |
| if (use_icount) |
| gen_io_start(); |
| tcg_gen_helper_0_0(helper_rdtsc); |
| if (use_icount) { |
| gen_io_end(); |
| gen_jmp(s, s->pc - s->cs_base); |
| } |
| break; |
| case 0x133: /* rdpmc */ |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_0(helper_rdpmc); |
| break; |
| case 0x134: /* sysenter */ |
| if (CODE64(s)) |
| goto illegal_op; |
| if (!s->pe) { |
| gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
| } else { |
| if (s->cc_op != CC_OP_DYNAMIC) { |
| gen_op_set_cc_op(s->cc_op); |
| s->cc_op = CC_OP_DYNAMIC; |
| } |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_0(helper_sysenter); |
| gen_eob(s); |
| } |
| break; |
| case 0x135: /* sysexit */ |
| if (CODE64(s)) |
| goto illegal_op; |
| if (!s->pe) { |
| gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
| } else { |
| if (s->cc_op != CC_OP_DYNAMIC) { |
| gen_op_set_cc_op(s->cc_op); |
| s->cc_op = CC_OP_DYNAMIC; |
| } |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_0(helper_sysexit); |
| gen_eob(s); |
| } |
| break; |
| #ifdef TARGET_X86_64 |
| case 0x105: /* syscall */ |
| /* XXX: is it usable in real mode ? */ |
| if (s->cc_op != CC_OP_DYNAMIC) { |
| gen_op_set_cc_op(s->cc_op); |
| s->cc_op = CC_OP_DYNAMIC; |
| } |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_1(helper_syscall, tcg_const_i32(s->pc - pc_start)); |
| gen_eob(s); |
| break; |
| case 0x107: /* sysret */ |
| if (!s->pe) { |
| gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
| } else { |
| if (s->cc_op != CC_OP_DYNAMIC) { |
| gen_op_set_cc_op(s->cc_op); |
| s->cc_op = CC_OP_DYNAMIC; |
| } |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_1(helper_sysret, tcg_const_i32(s->dflag)); |
| /* condition codes are modified only in long mode */ |
| if (s->lma) |
| s->cc_op = CC_OP_EFLAGS; |
| gen_eob(s); |
| } |
| break; |
| #endif |
| case 0x1a2: /* cpuid */ |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_0(helper_cpuid); |
| break; |
| case 0xf4: /* hlt */ |
| if (s->cpl != 0) { |
| 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_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_1(helper_hlt, tcg_const_i32(s->pc - pc_start)); |
| 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; |
| gen_svm_check_intercept(s, pc_start, SVM_EXIT_LDTR_READ); |
| tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,ldt.selector)); |
| ot = OT_WORD; |
| if (mod == 3) |
| ot += s->dflag; |
| gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1); |
| break; |
| case 2: /* lldt */ |
| if (!s->pe || s->vm86) |
| goto illegal_op; |
| if (s->cpl != 0) { |
| gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
| } else { |
| gen_svm_check_intercept(s, pc_start, SVM_EXIT_LDTR_WRITE); |
| gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0); |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]); |
| tcg_gen_helper_0_1(helper_lldt, cpu_tmp2_i32); |
| } |
| break; |
| case 1: /* str */ |
| if (!s->pe || s->vm86) |
| goto illegal_op; |
| gen_svm_check_intercept(s, pc_start, SVM_EXIT_TR_READ); |
| tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,tr.selector)); |
| ot = OT_WORD; |
| if (mod == 3) |
| ot += s->dflag; |
| gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1); |
| break; |
| case 3: /* ltr */ |
| if (!s->pe || s->vm86) |
| goto illegal_op; |
| if (s->cpl != 0) { |
| gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
| } else { |
| gen_svm_check_intercept(s, pc_start, SVM_EXIT_TR_WRITE); |
| gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0); |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]); |
| tcg_gen_helper_0_1(helper_ltr, cpu_tmp2_i32); |
| } |
| break; |
| case 4: /* verr */ |
| case 5: /* verw */ |
| if (!s->pe || s->vm86) |
| goto illegal_op; |
| gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0); |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| if (op == 4) |
| tcg_gen_helper_0_1(helper_verr, cpu_T[0]); |
| else |
| tcg_gen_helper_0_1(helper_verw, cpu_T[0]); |
| s->cc_op = CC_OP_EFLAGS; |
| break; |
| default: |
| goto illegal_op; |
| } |
| break; |
| case 0x101: |
| modrm = ldub_code(s->pc++); |
| mod = (modrm >> 6) & 3; |
| op = (modrm >> 3) & 7; |
| rm = modrm & 7; |
| switch(op) { |
| case 0: /* sgdt */ |
| if (mod == 3) |
| goto illegal_op; |
| gen_svm_check_intercept(s, pc_start, SVM_EXIT_GDTR_READ); |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, gdt.limit)); |
| gen_op_st_T0_A0(OT_WORD + s->mem_index); |
| gen_add_A0_im(s, 2); |
| tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, gdt.base)); |
| if (!s->dflag) |
| gen_op_andl_T0_im(0xffffff); |
| gen_op_st_T0_A0(CODE64(s) + OT_LONG + s->mem_index); |
| break; |
| case 1: |
| if (mod == 3) { |
| switch (rm) { |
| case 0: /* monitor */ |
| if (!(s->cpuid_ext_features & CPUID_EXT_MONITOR) || |
| s->cpl != 0) |
| goto illegal_op; |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(pc_start - s->cs_base); |
| #ifdef TARGET_X86_64 |
| if (s->aflag == 2) { |
| gen_op_movq_A0_reg(R_EAX); |
| } else |
| #endif |
| { |
| gen_op_movl_A0_reg(R_EAX); |
| if (s->aflag == 0) |
| gen_op_andl_A0_ffff(); |
| } |
| gen_add_A0_ds_seg(s); |
| tcg_gen_helper_0_1(helper_monitor, cpu_A0); |
| break; |
| case 1: /* mwait */ |
| if (!(s->cpuid_ext_features & CPUID_EXT_MONITOR) || |
| s->cpl != 0) |
| goto illegal_op; |
| if (s->cc_op != CC_OP_DYNAMIC) { |
| gen_op_set_cc_op(s->cc_op); |
| s->cc_op = CC_OP_DYNAMIC; |
| } |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_1(helper_mwait, tcg_const_i32(s->pc - pc_start)); |
| gen_eob(s); |
| break; |
| default: |
| goto illegal_op; |
| } |
| } else { /* sidt */ |
| gen_svm_check_intercept(s, pc_start, SVM_EXIT_IDTR_READ); |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, idt.limit)); |
| gen_op_st_T0_A0(OT_WORD + s->mem_index); |
| gen_add_A0_im(s, 2); |
| tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, idt.base)); |
| if (!s->dflag) |
| gen_op_andl_T0_im(0xffffff); |
| gen_op_st_T0_A0(CODE64(s) + OT_LONG + s->mem_index); |
| } |
| break; |
| case 2: /* lgdt */ |
| case 3: /* lidt */ |
| if (mod == 3) { |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(pc_start - s->cs_base); |
| switch(rm) { |
| case 0: /* VMRUN */ |
| if (!(s->flags & HF_SVME_MASK) || !s->pe) |
| goto illegal_op; |
| if (s->cpl != 0) { |
| gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
| break; |
| } else { |
| tcg_gen_helper_0_2(helper_vmrun, |
| tcg_const_i32(s->aflag), |
| tcg_const_i32(s->pc - pc_start)); |
| tcg_gen_exit_tb(0); |
| s->is_jmp = 3; |
| } |
| break; |
| case 1: /* VMMCALL */ |
| if (!(s->flags & HF_SVME_MASK)) |
| goto illegal_op; |
| tcg_gen_helper_0_0(helper_vmmcall); |
| break; |
| case 2: /* VMLOAD */ |
| if (!(s->flags & HF_SVME_MASK) || !s->pe) |
| goto illegal_op; |
| if (s->cpl != 0) { |
| gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
| break; |
| } else { |
| tcg_gen_helper_0_1(helper_vmload, |
| tcg_const_i32(s->aflag)); |
| } |
| break; |
| case 3: /* VMSAVE */ |
| if (!(s->flags & HF_SVME_MASK) || !s->pe) |
| goto illegal_op; |
| if (s->cpl != 0) { |
| gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
| break; |
| } else { |
| tcg_gen_helper_0_1(helper_vmsave, |
| tcg_const_i32(s->aflag)); |
| } |
| break; |
| case 4: /* STGI */ |
| if ((!(s->flags & HF_SVME_MASK) && |
| !(s->cpuid_ext3_features & CPUID_EXT3_SKINIT)) || |
| !s->pe) |
| goto illegal_op; |
| if (s->cpl != 0) { |
| gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
| break; |
| } else { |
| tcg_gen_helper_0_0(helper_stgi); |
| } |
| break; |
| case 5: /* CLGI */ |
| if (!(s->flags & HF_SVME_MASK) || !s->pe) |
| goto illegal_op; |
| if (s->cpl != 0) { |
| gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
| break; |
| } else { |
| tcg_gen_helper_0_0(helper_clgi); |
| } |
| break; |
| case 6: /* SKINIT */ |
| if ((!(s->flags & HF_SVME_MASK) && |
| !(s->cpuid_ext3_features & CPUID_EXT3_SKINIT)) || |
| !s->pe) |
| goto illegal_op; |
| tcg_gen_helper_0_0(helper_skinit); |
| break; |
| case 7: /* INVLPGA */ |
| if (!(s->flags & HF_SVME_MASK) || !s->pe) |
| goto illegal_op; |
| if (s->cpl != 0) { |
| gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
| break; |
| } else { |
| tcg_gen_helper_0_1(helper_invlpga, |
| tcg_const_i32(s->aflag)); |
| } |
| break; |
| default: |
| goto illegal_op; |
| } |
| } else if (s->cpl != 0) { |
| gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
| } else { |
| gen_svm_check_intercept(s, pc_start, |
| op==2 ? SVM_EXIT_GDTR_WRITE : SVM_EXIT_IDTR_WRITE); |
| 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) { |
| tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,gdt.base)); |
| tcg_gen_st32_tl(cpu_T[1], cpu_env, offsetof(CPUX86State,gdt.limit)); |
| } else { |
| tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,idt.base)); |
| tcg_gen_st32_tl(cpu_T[1], cpu_env, offsetof(CPUX86State,idt.limit)); |
| } |
| } |
| break; |
| case 4: /* smsw */ |
| gen_svm_check_intercept(s, pc_start, SVM_EXIT_READ_CR0); |
| tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,cr[0])); |
| gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 1); |
| break; |
| case 6: /* lmsw */ |
| if (s->cpl != 0) { |
| gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
| } else { |
| gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0); |
| gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0); |
| tcg_gen_helper_0_1(helper_lmsw, cpu_T[0]); |
| gen_jmp_im(s->pc - s->cs_base); |
| gen_eob(s); |
| } |
| break; |
| case 7: /* invlpg */ |
| if (s->cpl != 0) { |
| gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
| } else { |
| if (mod == 3) { |
| #ifdef TARGET_X86_64 |
| if (CODE64(s) && rm == 0) { |
| /* swapgs */ |
| tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,segs[R_GS].base)); |
| tcg_gen_ld_tl(cpu_T[1], cpu_env, offsetof(CPUX86State,kernelgsbase)); |
| tcg_gen_st_tl(cpu_T[1], cpu_env, offsetof(CPUX86State,segs[R_GS].base)); |
| tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,kernelgsbase)); |
| } else |
| #endif |
| { |
| goto illegal_op; |
| } |
| } else { |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(pc_start - s->cs_base); |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| tcg_gen_helper_0_1(helper_invlpg, cpu_A0); |
| gen_jmp_im(s->pc - s->cs_base); |
| gen_eob(s); |
| } |
| } |
| break; |
| default: |
| goto illegal_op; |
| } |
| break; |
| case 0x108: /* invd */ |
| case 0x109: /* wbinvd */ |
| if (s->cpl != 0) { |
| gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
| } else { |
| gen_svm_check_intercept(s, pc_start, (b & 2) ? SVM_EXIT_INVD : SVM_EXIT_WBINVD); |
| /* nothing to do */ |
| } |
| break; |
| case 0x63: /* arpl or movslS (x86_64) */ |
| #ifdef TARGET_X86_64 |
| if (CODE64(s)) { |
| int d_ot; |
| /* d_ot is the size of destination */ |
| d_ot = dflag + OT_WORD; |
| |
| modrm = ldub_code(s->pc++); |
| reg = ((modrm >> 3) & 7) | rex_r; |
| mod = (modrm >> 6) & 3; |
| rm = (modrm & 7) | REX_B(s); |
| |
| if (mod == 3) { |
| gen_op_mov_TN_reg(OT_LONG, 0, rm); |
| /* sign extend */ |
| if (d_ot == OT_QUAD) |
| tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
| gen_op_mov_reg_T0(d_ot, reg); |
| } else { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| if (d_ot == OT_QUAD) { |
| gen_op_lds_T0_A0(OT_LONG + s->mem_index); |
| } else { |
| gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
| } |
| gen_op_mov_reg_T0(d_ot, reg); |
| } |
| } else |
| #endif |
| { |
| int label1; |
| TCGv t0, t1, t2; |
| |
| if (!s->pe || s->vm86) |
| goto illegal_op; |
| t0 = tcg_temp_local_new(TCG_TYPE_TL); |
| t1 = tcg_temp_local_new(TCG_TYPE_TL); |
| t2 = tcg_temp_local_new(TCG_TYPE_TL); |
| ot = OT_WORD; |
| modrm = ldub_code(s->pc++); |
| reg = (modrm >> 3) & 7; |
| mod = (modrm >> 6) & 3; |
| rm = modrm & 7; |
| if (mod != 3) { |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| gen_op_ld_v(ot + s->mem_index, t0, cpu_A0); |
| } else { |
| gen_op_mov_v_reg(ot, t0, rm); |
| } |
| gen_op_mov_v_reg(ot, t1, reg); |
| tcg_gen_andi_tl(cpu_tmp0, t0, 3); |
| tcg_gen_andi_tl(t1, t1, 3); |
| tcg_gen_movi_tl(t2, 0); |
| label1 = gen_new_label(); |
| tcg_gen_brcond_tl(TCG_COND_GE, cpu_tmp0, t1, label1); |
| tcg_gen_andi_tl(t0, t0, ~3); |
| tcg_gen_or_tl(t0, t0, t1); |
| tcg_gen_movi_tl(t2, CC_Z); |
| gen_set_label(label1); |
| if (mod != 3) { |
| gen_op_st_v(ot + s->mem_index, t0, cpu_A0); |
| } else { |
| gen_op_mov_reg_v(ot, rm, t0); |
| } |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_compute_eflags(cpu_cc_src); |
| tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, ~CC_Z); |
| tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, t2); |
| s->cc_op = CC_OP_EFLAGS; |
| tcg_temp_free(t0); |
| tcg_temp_free(t1); |
| tcg_temp_free(t2); |
| } |
| break; |
| case 0x102: /* lar */ |
| case 0x103: /* lsl */ |
| { |
| int label1; |
| TCGv t0; |
| if (!s->pe || s->vm86) |
| goto illegal_op; |
| ot = dflag ? OT_LONG : OT_WORD; |
| modrm = ldub_code(s->pc++); |
| reg = ((modrm >> 3) & 7) | rex_r; |
| gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0); |
| t0 = tcg_temp_local_new(TCG_TYPE_TL); |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| if (b == 0x102) |
| tcg_gen_helper_1_1(helper_lar, t0, cpu_T[0]); |
| else |
| tcg_gen_helper_1_1(helper_lsl, t0, cpu_T[0]); |
| tcg_gen_andi_tl(cpu_tmp0, cpu_cc_src, CC_Z); |
| label1 = gen_new_label(); |
| tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_tmp0, 0, label1); |
| gen_op_mov_reg_v(ot, reg, t0); |
| gen_set_label(label1); |
| s->cc_op = CC_OP_EFLAGS; |
| tcg_temp_free(t0); |
| } |
| 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 (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(pc_start - s->cs_base); |
| if (b & 2) { |
| gen_op_mov_TN_reg(ot, 0, rm); |
| tcg_gen_helper_0_2(helper_write_crN, |
| tcg_const_i32(reg), cpu_T[0]); |
| gen_jmp_im(s->pc - s->cs_base); |
| gen_eob(s); |
| } else { |
| tcg_gen_helper_1_1(helper_read_crN, |
| cpu_T[0], tcg_const_i32(reg)); |
| gen_op_mov_reg_T0(ot, rm); |
| } |
| break; |
| default: |
| goto illegal_op; |
| } |
| } |
| break; |
| case 0x121: /* mov reg, drN */ |
| case 0x123: /* mov drN, reg */ |
| if (s->cpl != 0) { |
| gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
| } else { |
| modrm = ldub_code(s->pc++); |
| if ((modrm & 0xc0) != 0xc0) |
| goto illegal_op; |
| rm = (modrm & 7) | REX_B(s); |
| reg = ((modrm >> 3) & 7) | rex_r; |
| if (CODE64(s)) |
| ot = OT_QUAD; |
| else |
| ot = OT_LONG; |
| /* XXX: do it dynamically with CR4.DE bit */ |
| if (reg == 4 || reg == 5 || reg >= 8) |
| goto illegal_op; |
| if (b & 2) { |
| gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_DR0 + reg); |
| gen_op_mov_TN_reg(ot, 0, rm); |
| tcg_gen_helper_0_2(helper_movl_drN_T0, |
| tcg_const_i32(reg), cpu_T[0]); |
| gen_jmp_im(s->pc - s->cs_base); |
| gen_eob(s); |
| } else { |
| gen_svm_check_intercept(s, pc_start, SVM_EXIT_READ_DR0 + reg); |
| tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,dr[reg])); |
| gen_op_mov_reg_T0(ot, rm); |
| } |
| } |
| break; |
| case 0x106: /* clts */ |
| if (s->cpl != 0) { |
| gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
| } else { |
| gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0); |
| tcg_gen_helper_0_0(helper_clts); |
| /* abort block because static cpu state changed */ |
| gen_jmp_im(s->pc - s->cs_base); |
| gen_eob(s); |
| } |
| break; |
| /* MMX/3DNow!/SSE/SSE2/SSE3 support */ |
| case 0x1c3: /* MOVNTI reg, mem */ |
| if (!(s->cpuid_features & CPUID_SSE2)) |
| goto illegal_op; |
| ot = s->dflag == 2 ? OT_QUAD : OT_LONG; |
| modrm = ldub_code(s->pc++); |
| mod = (modrm >> 6) & 3; |
| if (mod == 3) |
| goto illegal_op; |
| reg = ((modrm >> 3) & 7) | rex_r; |
| /* generate a generic store */ |
| gen_ldst_modrm(s, modrm, ot, reg, 1); |
| break; |
| case 0x1ae: |
| modrm = ldub_code(s->pc++); |
| mod = (modrm >> 6) & 3; |
| op = (modrm >> 3) & 7; |
| switch(op) { |
| case 0: /* fxsave */ |
| if (mod == 3 || !(s->cpuid_features & CPUID_FXSR) || |
| (s->flags & HF_EM_MASK)) |
| goto illegal_op; |
| if (s->flags & HF_TS_MASK) { |
| gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); |
| break; |
| } |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_2(helper_fxsave, |
| cpu_A0, tcg_const_i32((s->dflag == 2))); |
| break; |
| case 1: /* fxrstor */ |
| if (mod == 3 || !(s->cpuid_features & CPUID_FXSR) || |
| (s->flags & HF_EM_MASK)) |
| goto illegal_op; |
| if (s->flags & HF_TS_MASK) { |
| gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); |
| break; |
| } |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| if (s->cc_op != CC_OP_DYNAMIC) |
| gen_op_set_cc_op(s->cc_op); |
| gen_jmp_im(pc_start - s->cs_base); |
| tcg_gen_helper_0_2(helper_fxrstor, |
| cpu_A0, tcg_const_i32((s->dflag == 2))); |
| break; |
| case 2: /* ldmxcsr */ |
| case 3: /* stmxcsr */ |
| if (s->flags & HF_TS_MASK) { |
| gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); |
| break; |
| } |
| if ((s->flags & HF_EM_MASK) || !(s->flags & HF_OSFXSR_MASK) || |
| mod == 3) |
| goto illegal_op; |
| gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| if (op == 2) { |
| gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
| tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, mxcsr)); |
| } else { |
| tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, mxcsr)); |
| gen_op_st_T0_A0(OT_LONG + s->mem_index); |
| } |
| break; |
| case 5: /* lfence */ |
| case 6: /* mfence */ |
| if ((modrm & 0xc7) != 0xc0 || !(s->cpuid_features & CPUID_SSE)) |
| goto illegal_op; |
| break; |
| case 7: /* sfence / clflush */ |
| if ((modrm & 0xc7) == 0xc0) { |
| /* sfence */ |
| /* XXX: also check for cpuid_ext2_features & CPUID_EXT2_EMMX */ |
| if (!(s->cpuid_features & CPUID_SSE)) |
| goto illegal_op; |
| } else { |
| /* clflush */ |
| if (!(s->cpuid_features & CPUID_CLFLUSH)) |
| goto illegal_op; |
| gen_lea_modrm(s, modrm, ®_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 */ |
| gen_svm_check_intercept(s, pc_start, SVM_EXIT_RSM); |
| if (!(s->flags & HF_SMM_MASK)) |
| goto illegal_op; |
| if (s->cc_op != CC_OP_DYNAMIC) { |
| gen_op_set_cc_op(s->cc_op); |
| s->cc_op = CC_OP_DYNAMIC; |
| } |
| gen_jmp_im(s->pc - s->cs_base); |
| tcg_gen_helper_0_0(helper_rsm); |
| gen_eob(s); |
| break; |
| case 0x10e ... 0x10f: |
| /* 3DNow! instructions, ignore prefixes */ |
| s->prefix &= ~(PREFIX_REPZ | PREFIX_REPNZ | PREFIX_DATA); |
| case 0x110 ... 0x117: |
| case 0x128 ... 0x12f: |
| case 0x150 ... 0x177: |
| case 0x17c ... 0x17f: |
| case 0x1c2: |
| case 0x1c4 ... 0x1c6: |
| case 0x1d0 ... 0x1fe: |
| gen_sse(s, b, pc_start, rex_r); |
| break; |
| default: |
| goto illegal_op; |
| } |
| /* lock generation */ |
| if (s->prefix & PREFIX_LOCK) |
| tcg_gen_helper_0_0(helper_unlock); |
| return s->pc; |
| illegal_op: |
| if (s->prefix & PREFIX_LOCK) |
| tcg_gen_helper_0_0(helper_unlock); |
| /* XXX: ensure that no lock was generated */ |
| gen_exception(s, EXCP06_ILLOP, pc_start - s->cs_base); |
| return s->pc; |
| } |
| |
| void optimize_flags_init(void) |
| { |
| #if TCG_TARGET_REG_BITS == 32 |
| assert(sizeof(CCTable) == (1 << 3)); |
| #else |
| assert(sizeof(CCTable) == (1 << 4)); |
| #endif |
| cpu_env = tcg_global_reg_new(TCG_TYPE_PTR, TCG_AREG0, "env"); |
| cpu_cc_op = tcg_global_mem_new(TCG_TYPE_I32, |
| TCG_AREG0, offsetof(CPUState, cc_op), "cc_op"); |
| cpu_cc_src = tcg_global_mem_new(TCG_TYPE_TL, |
| TCG_AREG0, offsetof(CPUState, cc_src), "cc_src"); |
| cpu_cc_dst = tcg_global_mem_new(TCG_TYPE_TL, |
| TCG_AREG0, offsetof(CPUState, cc_dst), "cc_dst"); |
| cpu_cc_tmp = tcg_global_mem_new(TCG_TYPE_TL, |
| TCG_AREG0, offsetof(CPUState, cc_tmp), "cc_tmp"); |
| |
| /* register helpers */ |
| |
| #define DEF_HELPER(ret, name, params) tcg_register_helper(name, #name); |
| #include "helper.h" |
| } |
| |
| /* generate intermediate code in gen_opc_buf and gen_opparam_buf for |
| basic block 'tb'. If search_pc is TRUE, also generate PC |
| information for each intermediate instruction. */ |
| static inline void 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; |
| int num_insns; |
| int max_insns; |
| |
| /* generate intermediate code */ |
| pc_start = tb->pc; |
| cs_base = tb->cs_base; |
| flags = tb->flags; |
| cflags = tb->cflags; |
| |
| dc->pe = (flags >> HF_PE_SHIFT) & 1; |
| dc->code32 = (flags >> HF_CS32_SHIFT) & 1; |
| dc->ss32 = (flags >> HF_SS32_SHIFT) & 1; |
| dc->addseg = (flags >> HF_ADDSEG_SHIFT) & 1; |
| dc->f_st = 0; |
| dc->vm86 = (flags >> VM_SHIFT) & 1; |
| dc->cpl = (flags >> HF_CPL_SHIFT) & 3; |
| dc->iopl = (flags >> IOPL_SHIFT) & 3; |
| dc->tf = (flags >> TF_SHIFT) & 1; |
| dc->singlestep_enabled = env->singlestep_enabled; |
| dc->cc_op = CC_OP_DYNAMIC; |
| dc->cs_base = cs_base; |
| dc->tb = tb; |
| dc->popl_esp_hack = 0; |
| /* select memory access functions */ |
| dc->mem_index = 0; |
| if (flags & HF_SOFTMMU_MASK) { |
| if (dc->cpl == 3) |
| dc->mem_index = 2 * 4; |
| else |
| dc->mem_index = 1 * 4; |
| } |
| dc->cpuid_features = env->cpuid_features; |
| dc->cpuid_ext_features = env->cpuid_ext_features; |
| dc->cpuid_ext2_features = env->cpuid_ext2_features; |
| dc->cpuid_ext3_features = env->cpuid_ext3_features; |
| #ifdef TARGET_X86_64 |
| dc->lma = (flags >> HF_LMA_SHIFT) & 1; |
| dc->code64 = (flags >> HF_CS64_SHIFT) & 1; |
| #endif |
| dc->flags = flags; |
| dc->jmp_opt = !(dc->tf || env->singlestep_enabled || |
| (flags & HF_INHIBIT_IRQ_MASK) |
| #ifndef CONFIG_SOFTMMU |
| || (flags & HF_SOFTMMU_MASK) |
| #endif |
| ); |
| #if 0 |
| /* check addseg logic */ |
| if (!dc->addseg && (dc->vm86 || !dc->pe || !dc->code32)) |
| printf("ERROR addseg\n"); |
| #endif |
| |
| cpu_T[0] = tcg_temp_new(TCG_TYPE_TL); |
| cpu_T[1] = tcg_temp_new(TCG_TYPE_TL); |
| cpu_A0 = tcg_temp_new(TCG_TYPE_TL); |
| cpu_T3 = tcg_temp_new(TCG_TYPE_TL); |
| |
| cpu_tmp0 = tcg_temp_new(TCG_TYPE_TL); |
| cpu_tmp1_i64 = tcg_temp_new(TCG_TYPE_I64); |
| cpu_tmp2_i32 = tcg_temp_new(TCG_TYPE_I32); |
| cpu_tmp3_i32 = tcg_temp_new(TCG_TYPE_I32); |
| cpu_tmp4 = tcg_temp_new(TCG_TYPE_TL); |
| cpu_tmp5 = tcg_temp_new(TCG_TYPE_TL); |
| cpu_tmp6 = tcg_temp_new(TCG_TYPE_TL); |
| cpu_ptr0 = tcg_temp_new(TCG_TYPE_PTR); |
| cpu_ptr1 = tcg_temp_new(TCG_TYPE_PTR); |
| |
| gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
| |
| dc->is_jmp = DISAS_NEXT; |
| pc_ptr = pc_start; |
| lj = -1; |
| num_insns = 0; |
| max_insns = tb->cflags & CF_COUNT_MASK; |
| if (max_insns == 0) |
| max_insns = CF_COUNT_MASK; |
| |
| gen_icount_start(); |
| 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; |
| gen_opc_icount[lj] = num_insns; |
| } |
| if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) |
| gen_io_start(); |
| |
| pc_ptr = disas_insn(dc, pc_ptr); |
| num_insns++; |
| /* 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)) { |
| 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) || |
| num_insns >= max_insns) { |
| gen_jmp_im(pc_ptr - dc->cs_base); |
| gen_eob(dc); |
| break; |
| } |
| } |
| if (tb->cflags & CF_LAST_IO) |
| gen_io_end(); |
| gen_icount_end(tb, num_insns); |
| *gen_opc_ptr = INDEX_op_end; |
| /* we don't forget to fill the last values */ |
| if (search_pc) { |
| j = gen_opc_ptr - gen_opc_buf; |
| lj++; |
| while (lj <= j) |
| gen_opc_instr_start[lj++] = 0; |
| } |
| |
| #ifdef DEBUG_DISAS |
| if (loglevel & CPU_LOG_TB_CPU) { |
| cpu_dump_state(env, logfile, fprintf, X86_DUMP_CCOP); |
| } |
| if (loglevel & CPU_LOG_TB_IN_ASM) { |
| int disas_flags; |
| fprintf(logfile, "----------------\n"); |
| fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start)); |
| #ifdef TARGET_X86_64 |
| if (dc->code64) |
| disas_flags = 2; |
| else |
| #endif |
| disas_flags = !dc->code32; |
| target_disas(logfile, pc_start, pc_ptr - pc_start, disas_flags); |
| fprintf(logfile, "\n"); |
| } |
| #endif |
| |
| if (!search_pc) { |
| tb->size = pc_ptr - pc_start; |
| tb->icount = num_insns; |
| } |
| } |
| |
| void gen_intermediate_code(CPUState *env, TranslationBlock *tb) |
| { |
| gen_intermediate_code_internal(env, tb, 0); |
| } |
| |
| void gen_intermediate_code_pc(CPUState *env, TranslationBlock *tb) |
| { |
| gen_intermediate_code_internal(env, tb, 1); |
| } |
| |
| void gen_pc_load(CPUState *env, TranslationBlock *tb, |
| unsigned long searched_pc, int pc_pos, void *puc) |
| { |
| int cc_op; |
| #ifdef DEBUG_DISAS |
| if (loglevel & CPU_LOG_TB_OP) { |
| int i; |
| fprintf(logfile, "RESTORE:\n"); |
| for(i = 0;i <= pc_pos; i++) { |
| if (gen_opc_instr_start[i]) { |
| fprintf(logfile, "0x%04x: " TARGET_FMT_lx "\n", i, gen_opc_pc[i]); |
| } |
| } |
| fprintf(logfile, "spc=0x%08lx pc_pos=0x%x eip=" TARGET_FMT_lx " cs_base=%x\n", |
| searched_pc, pc_pos, gen_opc_pc[pc_pos] - tb->cs_base, |
| (uint32_t)tb->cs_base); |
| } |
| #endif |
| env->eip = gen_opc_pc[pc_pos] - tb->cs_base; |
| cc_op = gen_opc_cc_op[pc_pos]; |
| if (cc_op != CC_OP_DYNAMIC) |
| env->cc_op = cc_op; |
| } |
