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/*
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* i386 translation
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*
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* Copyright (c) 2003 Fabrice Bellard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdarg.h> |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <inttypes.h> |
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#include <signal.h> |
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#include <assert.h> |
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#include "cpu.h" |
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#include "exec-all.h" |
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#include "disas.h" |
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#include "helper.h" |
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#include "tcg-op.h" |
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#define PREFIX_REPZ 0x01 |
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#define PREFIX_REPNZ 0x02 |
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#define PREFIX_LOCK 0x04 |
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#define PREFIX_DATA 0x08 |
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#define PREFIX_ADR 0x10 |
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#ifdef TARGET_X86_64
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#define X86_64_ONLY(x) x
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#define X86_64_DEF(x...) x
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#define CODE64(s) ((s)->code64)
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#define REX_X(s) ((s)->rex_x)
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#define REX_B(s) ((s)->rex_b)
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/* XXX: gcc generates push/pop in some opcodes, so we cannot use them */
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#if 1 |
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#define BUGGY_64(x) NULL |
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#endif
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#else
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#define X86_64_ONLY(x) NULL |
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#define X86_64_DEF(x...)
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#define CODE64(s) 0 |
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#define REX_X(s) 0 |
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#define REX_B(s) 0 |
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#endif
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//#define MACRO_TEST 1
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/* global register indexes */
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static TCGv cpu_env, cpu_A0, cpu_cc_op, cpu_cc_src, cpu_cc_dst, cpu_cc_tmp;
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/* local temps */
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static TCGv cpu_T[2], cpu_T3; |
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/* local register indexes (only used inside old micro ops) */
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static TCGv cpu_tmp0, cpu_tmp1_i64, cpu_tmp2_i32, cpu_tmp3_i32, cpu_tmp4, cpu_ptr0, cpu_ptr1;
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static TCGv cpu_tmp5, cpu_tmp6;
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#ifdef TARGET_X86_64
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static int x86_64_hregs; |
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#endif
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typedef struct DisasContext { |
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/* current insn context */
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int override; /* -1 if no override */ |
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int prefix;
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int aflag, dflag;
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target_ulong pc; /* pc = eip + cs_base */
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int is_jmp; /* 1 = means jump (stop translation), 2 means CPU |
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static state change (stop translation) */
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/* current block context */
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target_ulong cs_base; /* base of CS segment */
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int pe; /* protected mode */ |
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int code32; /* 32 bit code segment */ |
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#ifdef TARGET_X86_64
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int lma; /* long mode active */ |
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int code64; /* 64 bit code segment */ |
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int rex_x, rex_b;
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#endif
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int ss32; /* 32 bit stack segment */ |
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int cc_op; /* current CC operation */ |
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int addseg; /* non zero if either DS/ES/SS have a non zero base */ |
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int f_st; /* currently unused */ |
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int vm86; /* vm86 mode */ |
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int cpl;
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int iopl;
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int tf; /* TF cpu flag */ |
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int singlestep_enabled; /* "hardware" single step enabled */ |
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int jmp_opt; /* use direct block chaining for direct jumps */ |
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int mem_index; /* select memory access functions */ |
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uint64_t flags; /* all execution flags */
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struct TranslationBlock *tb;
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int popl_esp_hack; /* for correct popl with esp base handling */ |
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int rip_offset; /* only used in x86_64, but left for simplicity */ |
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int cpuid_features;
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int cpuid_ext_features;
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int cpuid_ext2_features;
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int cpuid_ext3_features;
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} DisasContext; |
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static void gen_eob(DisasContext *s); |
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static void gen_jmp(DisasContext *s, target_ulong eip); |
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static void gen_jmp_tb(DisasContext *s, target_ulong eip, int tb_num); |
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/* i386 arith/logic operations */
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enum {
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OP_ADDL, |
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OP_ORL, |
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OP_ADCL, |
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OP_SBBL, |
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OP_ANDL, |
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OP_SUBL, |
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OP_XORL, |
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OP_CMPL, |
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}; |
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/* i386 shift ops */
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enum {
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OP_ROL, |
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OP_ROR, |
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OP_RCL, |
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OP_RCR, |
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OP_SHL, |
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OP_SHR, |
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OP_SHL1, /* undocumented */
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OP_SAR = 7,
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}; |
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enum {
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JCC_O, |
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JCC_B, |
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JCC_Z, |
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JCC_BE, |
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JCC_S, |
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JCC_P, |
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JCC_L, |
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JCC_LE, |
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}; |
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/* operand size */
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enum {
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OT_BYTE = 0,
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OT_WORD, |
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OT_LONG, |
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OT_QUAD, |
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}; |
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enum {
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/* I386 int registers */
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OR_EAX, /* MUST be even numbered */
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OR_ECX, |
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OR_EDX, |
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OR_EBX, |
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OR_ESP, |
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OR_EBP, |
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OR_ESI, |
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OR_EDI, |
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OR_TMP0 = 16, /* temporary operand register */ |
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OR_TMP1, |
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OR_A0, /* temporary register used when doing address evaluation */
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}; |
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static inline void gen_op_movl_T0_0(void) |
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{ |
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tcg_gen_movi_tl(cpu_T[0], 0); |
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} |
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static inline void gen_op_movl_T0_im(int32_t val) |
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{ |
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tcg_gen_movi_tl(cpu_T[0], val);
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} |
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static inline void gen_op_movl_T0_imu(uint32_t val) |
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{ |
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tcg_gen_movi_tl(cpu_T[0], val);
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} |
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static inline void gen_op_movl_T1_im(int32_t val) |
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{ |
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tcg_gen_movi_tl(cpu_T[1], val);
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} |
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static inline void gen_op_movl_T1_imu(uint32_t val) |
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{ |
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tcg_gen_movi_tl(cpu_T[1], val);
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} |
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static inline void gen_op_movl_A0_im(uint32_t val) |
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{ |
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tcg_gen_movi_tl(cpu_A0, val); |
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} |
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#ifdef TARGET_X86_64
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static inline void gen_op_movq_A0_im(int64_t val) |
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{ |
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tcg_gen_movi_tl(cpu_A0, val); |
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} |
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#endif
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static inline void gen_movtl_T0_im(target_ulong val) |
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{ |
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tcg_gen_movi_tl(cpu_T[0], val);
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} |
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static inline void gen_movtl_T1_im(target_ulong val) |
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{ |
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tcg_gen_movi_tl(cpu_T[1], val);
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} |
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static inline void gen_op_andl_T0_ffff(void) |
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{ |
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tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xffff); |
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} |
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static inline void gen_op_andl_T0_im(uint32_t val) |
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{ |
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tcg_gen_andi_tl(cpu_T[0], cpu_T[0], val); |
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} |
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static inline void gen_op_movl_T0_T1(void) |
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{ |
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tcg_gen_mov_tl(cpu_T[0], cpu_T[1]); |
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} |
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static inline void gen_op_andl_A0_ffff(void) |
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{ |
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tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffff);
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} |
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#ifdef TARGET_X86_64
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#define NB_OP_SIZES 4 |
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#else /* !TARGET_X86_64 */ |
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#define NB_OP_SIZES 3 |
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#endif /* !TARGET_X86_64 */ |
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#if defined(WORDS_BIGENDIAN)
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#define REG_B_OFFSET (sizeof(target_ulong) - 1) |
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#define REG_H_OFFSET (sizeof(target_ulong) - 2) |
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#define REG_W_OFFSET (sizeof(target_ulong) - 2) |
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#define REG_L_OFFSET (sizeof(target_ulong) - 4) |
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#define REG_LH_OFFSET (sizeof(target_ulong) - 8) |
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#else
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#define REG_B_OFFSET 0 |
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#define REG_H_OFFSET 1 |
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#define REG_W_OFFSET 0 |
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#define REG_L_OFFSET 0 |
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#define REG_LH_OFFSET 4 |
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#endif
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static inline void gen_op_mov_reg_v(int ot, int reg, TCGv t0) |
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{ |
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switch(ot) {
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case OT_BYTE:
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if (reg < 4 X86_64_DEF( || reg >= 8 || x86_64_hregs)) { |
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tcg_gen_st8_tl(t0, cpu_env, offsetof(CPUState, regs[reg]) + REG_B_OFFSET); |
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} else {
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tcg_gen_st8_tl(t0, cpu_env, offsetof(CPUState, regs[reg - 4]) + REG_H_OFFSET);
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} |
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break;
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case OT_WORD:
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tcg_gen_st16_tl(t0, cpu_env, offsetof(CPUState, regs[reg]) + REG_W_OFFSET); |
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break;
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#ifdef TARGET_X86_64
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case OT_LONG:
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tcg_gen_st32_tl(t0, cpu_env, offsetof(CPUState, regs[reg]) + REG_L_OFFSET); |
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/* high part of register set to zero */
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tcg_gen_movi_tl(cpu_tmp0, 0);
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tcg_gen_st32_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]) + REG_LH_OFFSET); |
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break;
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default:
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case OT_QUAD:
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tcg_gen_st_tl(t0, cpu_env, offsetof(CPUState, regs[reg])); |
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break;
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#else
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default:
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case OT_LONG:
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tcg_gen_st32_tl(t0, cpu_env, offsetof(CPUState, regs[reg]) + REG_L_OFFSET); |
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break;
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#endif
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} |
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} |
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static inline void gen_op_mov_reg_T0(int ot, int reg) |
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{ |
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gen_op_mov_reg_v(ot, reg, cpu_T[0]);
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} |
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static inline void gen_op_mov_reg_T1(int ot, int reg) |
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{ |
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gen_op_mov_reg_v(ot, reg, cpu_T[1]);
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} |
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static inline void gen_op_mov_reg_A0(int size, int reg) |
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{ |
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switch(size) {
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case 0: |
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tcg_gen_st16_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg]) + REG_W_OFFSET); |
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break;
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#ifdef TARGET_X86_64
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case 1: |
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tcg_gen_st32_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg]) + REG_L_OFFSET); |
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/* high part of register set to zero */
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tcg_gen_movi_tl(cpu_tmp0, 0);
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tcg_gen_st32_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]) + REG_LH_OFFSET); |
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break;
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default:
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case 2: |
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tcg_gen_st_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg])); |
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break;
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#else
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default:
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case 1: |
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tcg_gen_st32_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg]) + REG_L_OFFSET); |
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break;
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#endif
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} |
331 |
} |
332 |
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static inline void gen_op_mov_v_reg(int ot, TCGv t0, int reg) |
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{ |
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switch(ot) {
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case OT_BYTE:
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if (reg < 4 X86_64_DEF( || reg >= 8 || x86_64_hregs)) { |
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goto std_case;
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} else {
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tcg_gen_ld8u_tl(t0, cpu_env, offsetof(CPUState, regs[reg - 4]) + REG_H_OFFSET);
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} |
342 |
break;
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default:
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std_case:
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tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, regs[reg])); |
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break;
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} |
348 |
} |
349 |
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static inline void gen_op_mov_TN_reg(int ot, int t_index, int reg) |
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{ |
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gen_op_mov_v_reg(ot, cpu_T[t_index], reg); |
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} |
354 |
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static inline void gen_op_movl_A0_reg(int reg) |
356 |
{ |
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tcg_gen_ld32u_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg]) + REG_L_OFFSET); |
358 |
} |
359 |
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360 |
static inline void gen_op_addl_A0_im(int32_t val) |
361 |
{ |
362 |
tcg_gen_addi_tl(cpu_A0, cpu_A0, val); |
363 |
#ifdef TARGET_X86_64
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tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffffffff);
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#endif
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366 |
} |
367 |
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368 |
#ifdef TARGET_X86_64
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static inline void gen_op_addq_A0_im(int64_t val) |
370 |
{ |
371 |
tcg_gen_addi_tl(cpu_A0, cpu_A0, val); |
372 |
} |
373 |
#endif
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374 |
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375 |
static void gen_add_A0_im(DisasContext *s, int val) |
376 |
{ |
377 |
#ifdef TARGET_X86_64
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378 |
if (CODE64(s))
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gen_op_addq_A0_im(val); |
380 |
else
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381 |
#endif
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382 |
gen_op_addl_A0_im(val); |
383 |
} |
384 |
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385 |
static inline void gen_op_addl_T0_T1(void) |
386 |
{ |
387 |
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
388 |
} |
389 |
|
390 |
static inline void gen_op_jmp_T0(void) |
391 |
{ |
392 |
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUState, eip));
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393 |
} |
394 |
|
395 |
static inline void gen_op_add_reg_im(int size, int reg, int32_t val) |
396 |
{ |
397 |
switch(size) {
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398 |
case 0: |
399 |
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
400 |
tcg_gen_addi_tl(cpu_tmp0, cpu_tmp0, val); |
401 |
tcg_gen_st16_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]) + REG_W_OFFSET); |
402 |
break;
|
403 |
case 1: |
404 |
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
405 |
tcg_gen_addi_tl(cpu_tmp0, cpu_tmp0, val); |
406 |
#ifdef TARGET_X86_64
|
407 |
tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, 0xffffffff);
|
408 |
#endif
|
409 |
tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
410 |
break;
|
411 |
#ifdef TARGET_X86_64
|
412 |
case 2: |
413 |
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
414 |
tcg_gen_addi_tl(cpu_tmp0, cpu_tmp0, val); |
415 |
tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
416 |
break;
|
417 |
#endif
|
418 |
} |
419 |
} |
420 |
|
421 |
static inline void gen_op_add_reg_T0(int size, int reg) |
422 |
{ |
423 |
switch(size) {
|
424 |
case 0: |
425 |
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
426 |
tcg_gen_add_tl(cpu_tmp0, cpu_tmp0, cpu_T[0]);
|
427 |
tcg_gen_st16_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]) + REG_W_OFFSET); |
428 |
break;
|
429 |
case 1: |
430 |
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
431 |
tcg_gen_add_tl(cpu_tmp0, cpu_tmp0, cpu_T[0]);
|
432 |
#ifdef TARGET_X86_64
|
433 |
tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, 0xffffffff);
|
434 |
#endif
|
435 |
tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
436 |
break;
|
437 |
#ifdef TARGET_X86_64
|
438 |
case 2: |
439 |
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
440 |
tcg_gen_add_tl(cpu_tmp0, cpu_tmp0, cpu_T[0]);
|
441 |
tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
442 |
break;
|
443 |
#endif
|
444 |
} |
445 |
} |
446 |
|
447 |
static inline void gen_op_set_cc_op(int32_t val) |
448 |
{ |
449 |
tcg_gen_movi_i32(cpu_cc_op, val); |
450 |
} |
451 |
|
452 |
static inline void gen_op_addl_A0_reg_sN(int shift, int reg) |
453 |
{ |
454 |
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
455 |
if (shift != 0) |
456 |
tcg_gen_shli_tl(cpu_tmp0, cpu_tmp0, shift); |
457 |
tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0); |
458 |
#ifdef TARGET_X86_64
|
459 |
tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffffffff);
|
460 |
#endif
|
461 |
} |
462 |
|
463 |
static inline void gen_op_movl_A0_seg(int reg) |
464 |
{ |
465 |
tcg_gen_ld32u_tl(cpu_A0, cpu_env, offsetof(CPUState, segs[reg].base) + REG_L_OFFSET); |
466 |
} |
467 |
|
468 |
static inline void gen_op_addl_A0_seg(int reg) |
469 |
{ |
470 |
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, segs[reg].base)); |
471 |
tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0); |
472 |
#ifdef TARGET_X86_64
|
473 |
tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffffffff);
|
474 |
#endif
|
475 |
} |
476 |
|
477 |
#ifdef TARGET_X86_64
|
478 |
static inline void gen_op_movq_A0_seg(int reg) |
479 |
{ |
480 |
tcg_gen_ld_tl(cpu_A0, cpu_env, offsetof(CPUState, segs[reg].base)); |
481 |
} |
482 |
|
483 |
static inline void gen_op_addq_A0_seg(int reg) |
484 |
{ |
485 |
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, segs[reg].base)); |
486 |
tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0); |
487 |
} |
488 |
|
489 |
static inline void gen_op_movq_A0_reg(int reg) |
490 |
{ |
491 |
tcg_gen_ld_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg])); |
492 |
} |
493 |
|
494 |
static inline void gen_op_addq_A0_reg_sN(int shift, int reg) |
495 |
{ |
496 |
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
497 |
if (shift != 0) |
498 |
tcg_gen_shli_tl(cpu_tmp0, cpu_tmp0, shift); |
499 |
tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0); |
500 |
} |
501 |
#endif
|
502 |
|
503 |
static inline void gen_op_lds_T0_A0(int idx) |
504 |
{ |
505 |
int mem_index = (idx >> 2) - 1; |
506 |
switch(idx & 3) { |
507 |
case 0: |
508 |
tcg_gen_qemu_ld8s(cpu_T[0], cpu_A0, mem_index);
|
509 |
break;
|
510 |
case 1: |
511 |
tcg_gen_qemu_ld16s(cpu_T[0], cpu_A0, mem_index);
|
512 |
break;
|
513 |
default:
|
514 |
case 2: |
515 |
tcg_gen_qemu_ld32s(cpu_T[0], cpu_A0, mem_index);
|
516 |
break;
|
517 |
} |
518 |
} |
519 |
|
520 |
static inline void gen_op_ld_v(int idx, TCGv t0, TCGv a0) |
521 |
{ |
522 |
int mem_index = (idx >> 2) - 1; |
523 |
switch(idx & 3) { |
524 |
case 0: |
525 |
tcg_gen_qemu_ld8u(t0, a0, mem_index); |
526 |
break;
|
527 |
case 1: |
528 |
tcg_gen_qemu_ld16u(t0, a0, mem_index); |
529 |
break;
|
530 |
case 2: |
531 |
tcg_gen_qemu_ld32u(t0, a0, mem_index); |
532 |
break;
|
533 |
default:
|
534 |
case 3: |
535 |
tcg_gen_qemu_ld64(t0, a0, mem_index); |
536 |
break;
|
537 |
} |
538 |
} |
539 |
|
540 |
/* XXX: always use ldu or lds */
|
541 |
static inline void gen_op_ld_T0_A0(int idx) |
542 |
{ |
543 |
gen_op_ld_v(idx, cpu_T[0], cpu_A0);
|
544 |
} |
545 |
|
546 |
static inline void gen_op_ldu_T0_A0(int idx) |
547 |
{ |
548 |
gen_op_ld_v(idx, cpu_T[0], cpu_A0);
|
549 |
} |
550 |
|
551 |
static inline void gen_op_ld_T1_A0(int idx) |
552 |
{ |
553 |
gen_op_ld_v(idx, cpu_T[1], cpu_A0);
|
554 |
} |
555 |
|
556 |
static inline void gen_op_st_v(int idx, TCGv t0, TCGv a0) |
557 |
{ |
558 |
int mem_index = (idx >> 2) - 1; |
559 |
switch(idx & 3) { |
560 |
case 0: |
561 |
tcg_gen_qemu_st8(t0, a0, mem_index); |
562 |
break;
|
563 |
case 1: |
564 |
tcg_gen_qemu_st16(t0, a0, mem_index); |
565 |
break;
|
566 |
case 2: |
567 |
tcg_gen_qemu_st32(t0, a0, mem_index); |
568 |
break;
|
569 |
default:
|
570 |
case 3: |
571 |
tcg_gen_qemu_st64(t0, a0, mem_index); |
572 |
break;
|
573 |
} |
574 |
} |
575 |
|
576 |
static inline void gen_op_st_T0_A0(int idx) |
577 |
{ |
578 |
gen_op_st_v(idx, cpu_T[0], cpu_A0);
|
579 |
} |
580 |
|
581 |
static inline void gen_op_st_T1_A0(int idx) |
582 |
{ |
583 |
gen_op_st_v(idx, cpu_T[1], cpu_A0);
|
584 |
} |
585 |
|
586 |
static inline void gen_jmp_im(target_ulong pc) |
587 |
{ |
588 |
tcg_gen_movi_tl(cpu_tmp0, pc); |
589 |
tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, eip)); |
590 |
} |
591 |
|
592 |
static inline void gen_string_movl_A0_ESI(DisasContext *s) |
593 |
{ |
594 |
int override;
|
595 |
|
596 |
override = s->override; |
597 |
#ifdef TARGET_X86_64
|
598 |
if (s->aflag == 2) { |
599 |
if (override >= 0) { |
600 |
gen_op_movq_A0_seg(override); |
601 |
gen_op_addq_A0_reg_sN(0, R_ESI);
|
602 |
} else {
|
603 |
gen_op_movq_A0_reg(R_ESI); |
604 |
} |
605 |
} else
|
606 |
#endif
|
607 |
if (s->aflag) {
|
608 |
/* 32 bit address */
|
609 |
if (s->addseg && override < 0) |
610 |
override = R_DS; |
611 |
if (override >= 0) { |
612 |
gen_op_movl_A0_seg(override); |
613 |
gen_op_addl_A0_reg_sN(0, R_ESI);
|
614 |
} else {
|
615 |
gen_op_movl_A0_reg(R_ESI); |
616 |
} |
617 |
} else {
|
618 |
/* 16 address, always override */
|
619 |
if (override < 0) |
620 |
override = R_DS; |
621 |
gen_op_movl_A0_reg(R_ESI); |
622 |
gen_op_andl_A0_ffff(); |
623 |
gen_op_addl_A0_seg(override); |
624 |
} |
625 |
} |
626 |
|
627 |
static inline void gen_string_movl_A0_EDI(DisasContext *s) |
628 |
{ |
629 |
#ifdef TARGET_X86_64
|
630 |
if (s->aflag == 2) { |
631 |
gen_op_movq_A0_reg(R_EDI); |
632 |
} else
|
633 |
#endif
|
634 |
if (s->aflag) {
|
635 |
if (s->addseg) {
|
636 |
gen_op_movl_A0_seg(R_ES); |
637 |
gen_op_addl_A0_reg_sN(0, R_EDI);
|
638 |
} else {
|
639 |
gen_op_movl_A0_reg(R_EDI); |
640 |
} |
641 |
} else {
|
642 |
gen_op_movl_A0_reg(R_EDI); |
643 |
gen_op_andl_A0_ffff(); |
644 |
gen_op_addl_A0_seg(R_ES); |
645 |
} |
646 |
} |
647 |
|
648 |
static inline void gen_op_movl_T0_Dshift(int ot) |
649 |
{ |
650 |
tcg_gen_ld32s_tl(cpu_T[0], cpu_env, offsetof(CPUState, df));
|
651 |
tcg_gen_shli_tl(cpu_T[0], cpu_T[0], ot); |
652 |
}; |
653 |
|
654 |
static void gen_extu(int ot, TCGv reg) |
655 |
{ |
656 |
switch(ot) {
|
657 |
case OT_BYTE:
|
658 |
tcg_gen_ext8u_tl(reg, reg); |
659 |
break;
|
660 |
case OT_WORD:
|
661 |
tcg_gen_ext16u_tl(reg, reg); |
662 |
break;
|
663 |
case OT_LONG:
|
664 |
tcg_gen_ext32u_tl(reg, reg); |
665 |
break;
|
666 |
default:
|
667 |
break;
|
668 |
} |
669 |
} |
670 |
|
671 |
static void gen_exts(int ot, TCGv reg) |
672 |
{ |
673 |
switch(ot) {
|
674 |
case OT_BYTE:
|
675 |
tcg_gen_ext8s_tl(reg, reg); |
676 |
break;
|
677 |
case OT_WORD:
|
678 |
tcg_gen_ext16s_tl(reg, reg); |
679 |
break;
|
680 |
case OT_LONG:
|
681 |
tcg_gen_ext32s_tl(reg, reg); |
682 |
break;
|
683 |
default:
|
684 |
break;
|
685 |
} |
686 |
} |
687 |
|
688 |
static inline void gen_op_jnz_ecx(int size, int label1) |
689 |
{ |
690 |
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[R_ECX])); |
691 |
gen_extu(size + 1, cpu_tmp0);
|
692 |
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_tmp0, 0, label1);
|
693 |
} |
694 |
|
695 |
static inline void gen_op_jz_ecx(int size, int label1) |
696 |
{ |
697 |
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[R_ECX])); |
698 |
gen_extu(size + 1, cpu_tmp0);
|
699 |
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_tmp0, 0, label1);
|
700 |
} |
701 |
|
702 |
static void *helper_in_func[3] = { |
703 |
helper_inb, |
704 |
helper_inw, |
705 |
helper_inl, |
706 |
}; |
707 |
|
708 |
static void *helper_out_func[3] = { |
709 |
helper_outb, |
710 |
helper_outw, |
711 |
helper_outl, |
712 |
}; |
713 |
|
714 |
static void *gen_check_io_func[3] = { |
715 |
helper_check_iob, |
716 |
helper_check_iow, |
717 |
helper_check_iol, |
718 |
}; |
719 |
|
720 |
static void gen_check_io(DisasContext *s, int ot, target_ulong cur_eip, |
721 |
uint32_t svm_flags) |
722 |
{ |
723 |
int state_saved;
|
724 |
target_ulong next_eip; |
725 |
|
726 |
state_saved = 0;
|
727 |
if (s->pe && (s->cpl > s->iopl || s->vm86)) {
|
728 |
if (s->cc_op != CC_OP_DYNAMIC)
|
729 |
gen_op_set_cc_op(s->cc_op); |
730 |
gen_jmp_im(cur_eip); |
731 |
state_saved = 1;
|
732 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
733 |
tcg_gen_helper_0_1(gen_check_io_func[ot], |
734 |
cpu_tmp2_i32); |
735 |
} |
736 |
if(s->flags & HF_SVMI_MASK) {
|
737 |
if (!state_saved) {
|
738 |
if (s->cc_op != CC_OP_DYNAMIC)
|
739 |
gen_op_set_cc_op(s->cc_op); |
740 |
gen_jmp_im(cur_eip); |
741 |
state_saved = 1;
|
742 |
} |
743 |
svm_flags |= (1 << (4 + ot)); |
744 |
next_eip = s->pc - s->cs_base; |
745 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
746 |
tcg_gen_helper_0_3(helper_svm_check_io, |
747 |
cpu_tmp2_i32, |
748 |
tcg_const_i32(svm_flags), |
749 |
tcg_const_i32(next_eip - cur_eip)); |
750 |
} |
751 |
} |
752 |
|
753 |
static inline void gen_movs(DisasContext *s, int ot) |
754 |
{ |
755 |
gen_string_movl_A0_ESI(s); |
756 |
gen_op_ld_T0_A0(ot + s->mem_index); |
757 |
gen_string_movl_A0_EDI(s); |
758 |
gen_op_st_T0_A0(ot + s->mem_index); |
759 |
gen_op_movl_T0_Dshift(ot); |
760 |
gen_op_add_reg_T0(s->aflag, R_ESI); |
761 |
gen_op_add_reg_T0(s->aflag, R_EDI); |
762 |
} |
763 |
|
764 |
static inline void gen_update_cc_op(DisasContext *s) |
765 |
{ |
766 |
if (s->cc_op != CC_OP_DYNAMIC) {
|
767 |
gen_op_set_cc_op(s->cc_op); |
768 |
s->cc_op = CC_OP_DYNAMIC; |
769 |
} |
770 |
} |
771 |
|
772 |
static void gen_op_update1_cc(void) |
773 |
{ |
774 |
tcg_gen_discard_tl(cpu_cc_src); |
775 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
776 |
} |
777 |
|
778 |
static void gen_op_update2_cc(void) |
779 |
{ |
780 |
tcg_gen_mov_tl(cpu_cc_src, cpu_T[1]);
|
781 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
782 |
} |
783 |
|
784 |
static inline void gen_op_cmpl_T0_T1_cc(void) |
785 |
{ |
786 |
tcg_gen_mov_tl(cpu_cc_src, cpu_T[1]);
|
787 |
tcg_gen_sub_tl(cpu_cc_dst, cpu_T[0], cpu_T[1]); |
788 |
} |
789 |
|
790 |
static inline void gen_op_testl_T0_T1_cc(void) |
791 |
{ |
792 |
tcg_gen_discard_tl(cpu_cc_src); |
793 |
tcg_gen_and_tl(cpu_cc_dst, cpu_T[0], cpu_T[1]); |
794 |
} |
795 |
|
796 |
static void gen_op_update_neg_cc(void) |
797 |
{ |
798 |
tcg_gen_neg_tl(cpu_cc_src, cpu_T[0]);
|
799 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
800 |
} |
801 |
|
802 |
/* compute eflags.C to reg */
|
803 |
static void gen_compute_eflags_c(TCGv reg) |
804 |
{ |
805 |
#if TCG_TARGET_REG_BITS == 32 |
806 |
tcg_gen_shli_i32(cpu_tmp2_i32, cpu_cc_op, 3);
|
807 |
tcg_gen_addi_i32(cpu_tmp2_i32, cpu_tmp2_i32, |
808 |
(long)cc_table + offsetof(CCTable, compute_c));
|
809 |
tcg_gen_ld_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0);
|
810 |
tcg_gen_call(&tcg_ctx, cpu_tmp2_i32, TCG_CALL_PURE, |
811 |
1, &cpu_tmp2_i32, 0, NULL); |
812 |
#else
|
813 |
tcg_gen_extu_i32_tl(cpu_tmp1_i64, cpu_cc_op); |
814 |
tcg_gen_shli_i64(cpu_tmp1_i64, cpu_tmp1_i64, 4);
|
815 |
tcg_gen_addi_i64(cpu_tmp1_i64, cpu_tmp1_i64, |
816 |
(long)cc_table + offsetof(CCTable, compute_c));
|
817 |
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_tmp1_i64, 0);
|
818 |
tcg_gen_call(&tcg_ctx, cpu_tmp1_i64, TCG_CALL_PURE, |
819 |
1, &cpu_tmp2_i32, 0, NULL); |
820 |
#endif
|
821 |
tcg_gen_extu_i32_tl(reg, cpu_tmp2_i32); |
822 |
} |
823 |
|
824 |
/* compute all eflags to cc_src */
|
825 |
static void gen_compute_eflags(TCGv reg) |
826 |
{ |
827 |
#if TCG_TARGET_REG_BITS == 32 |
828 |
tcg_gen_shli_i32(cpu_tmp2_i32, cpu_cc_op, 3);
|
829 |
tcg_gen_addi_i32(cpu_tmp2_i32, cpu_tmp2_i32, |
830 |
(long)cc_table + offsetof(CCTable, compute_all));
|
831 |
tcg_gen_ld_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0);
|
832 |
tcg_gen_call(&tcg_ctx, cpu_tmp2_i32, TCG_CALL_PURE, |
833 |
1, &cpu_tmp2_i32, 0, NULL); |
834 |
#else
|
835 |
tcg_gen_extu_i32_tl(cpu_tmp1_i64, cpu_cc_op); |
836 |
tcg_gen_shli_i64(cpu_tmp1_i64, cpu_tmp1_i64, 4);
|
837 |
tcg_gen_addi_i64(cpu_tmp1_i64, cpu_tmp1_i64, |
838 |
(long)cc_table + offsetof(CCTable, compute_all));
|
839 |
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_tmp1_i64, 0);
|
840 |
tcg_gen_call(&tcg_ctx, cpu_tmp1_i64, TCG_CALL_PURE, |
841 |
1, &cpu_tmp2_i32, 0, NULL); |
842 |
#endif
|
843 |
tcg_gen_extu_i32_tl(reg, cpu_tmp2_i32); |
844 |
} |
845 |
|
846 |
static inline void gen_setcc_slow_T0(DisasContext *s, int jcc_op) |
847 |
{ |
848 |
if (s->cc_op != CC_OP_DYNAMIC)
|
849 |
gen_op_set_cc_op(s->cc_op); |
850 |
switch(jcc_op) {
|
851 |
case JCC_O:
|
852 |
gen_compute_eflags(cpu_T[0]);
|
853 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 11); |
854 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1); |
855 |
break;
|
856 |
case JCC_B:
|
857 |
gen_compute_eflags_c(cpu_T[0]);
|
858 |
break;
|
859 |
case JCC_Z:
|
860 |
gen_compute_eflags(cpu_T[0]);
|
861 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 6); |
862 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1); |
863 |
break;
|
864 |
case JCC_BE:
|
865 |
gen_compute_eflags(cpu_tmp0); |
866 |
tcg_gen_shri_tl(cpu_T[0], cpu_tmp0, 6); |
867 |
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_tmp0); |
868 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1); |
869 |
break;
|
870 |
case JCC_S:
|
871 |
gen_compute_eflags(cpu_T[0]);
|
872 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 7); |
873 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1); |
874 |
break;
|
875 |
case JCC_P:
|
876 |
gen_compute_eflags(cpu_T[0]);
|
877 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 2); |
878 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1); |
879 |
break;
|
880 |
case JCC_L:
|
881 |
gen_compute_eflags(cpu_tmp0); |
882 |
tcg_gen_shri_tl(cpu_T[0], cpu_tmp0, 11); /* CC_O */ |
883 |
tcg_gen_shri_tl(cpu_tmp0, cpu_tmp0, 7); /* CC_S */ |
884 |
tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_tmp0); |
885 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1); |
886 |
break;
|
887 |
default:
|
888 |
case JCC_LE:
|
889 |
gen_compute_eflags(cpu_tmp0); |
890 |
tcg_gen_shri_tl(cpu_T[0], cpu_tmp0, 11); /* CC_O */ |
891 |
tcg_gen_shri_tl(cpu_tmp4, cpu_tmp0, 7); /* CC_S */ |
892 |
tcg_gen_shri_tl(cpu_tmp0, cpu_tmp0, 6); /* CC_Z */ |
893 |
tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_tmp4); |
894 |
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_tmp0); |
895 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1); |
896 |
break;
|
897 |
} |
898 |
} |
899 |
|
900 |
/* return true if setcc_slow is not needed (WARNING: must be kept in
|
901 |
sync with gen_jcc1) */
|
902 |
static int is_fast_jcc_case(DisasContext *s, int b) |
903 |
{ |
904 |
int jcc_op;
|
905 |
jcc_op = (b >> 1) & 7; |
906 |
switch(s->cc_op) {
|
907 |
/* we optimize the cmp/jcc case */
|
908 |
case CC_OP_SUBB:
|
909 |
case CC_OP_SUBW:
|
910 |
case CC_OP_SUBL:
|
911 |
case CC_OP_SUBQ:
|
912 |
if (jcc_op == JCC_O || jcc_op == JCC_P)
|
913 |
goto slow_jcc;
|
914 |
break;
|
915 |
|
916 |
/* some jumps are easy to compute */
|
917 |
case CC_OP_ADDB:
|
918 |
case CC_OP_ADDW:
|
919 |
case CC_OP_ADDL:
|
920 |
case CC_OP_ADDQ:
|
921 |
|
922 |
case CC_OP_LOGICB:
|
923 |
case CC_OP_LOGICW:
|
924 |
case CC_OP_LOGICL:
|
925 |
case CC_OP_LOGICQ:
|
926 |
|
927 |
case CC_OP_INCB:
|
928 |
case CC_OP_INCW:
|
929 |
case CC_OP_INCL:
|
930 |
case CC_OP_INCQ:
|
931 |
|
932 |
case CC_OP_DECB:
|
933 |
case CC_OP_DECW:
|
934 |
case CC_OP_DECL:
|
935 |
case CC_OP_DECQ:
|
936 |
|
937 |
case CC_OP_SHLB:
|
938 |
case CC_OP_SHLW:
|
939 |
case CC_OP_SHLL:
|
940 |
case CC_OP_SHLQ:
|
941 |
if (jcc_op != JCC_Z && jcc_op != JCC_S)
|
942 |
goto slow_jcc;
|
943 |
break;
|
944 |
default:
|
945 |
slow_jcc:
|
946 |
return 0; |
947 |
} |
948 |
return 1; |
949 |
} |
950 |
|
951 |
/* generate a conditional jump to label 'l1' according to jump opcode
|
952 |
value 'b'. In the fast case, T0 is guaranted not to be used. */
|
953 |
static inline void gen_jcc1(DisasContext *s, int cc_op, int b, int l1) |
954 |
{ |
955 |
int inv, jcc_op, size, cond;
|
956 |
TCGv t0; |
957 |
|
958 |
inv = b & 1;
|
959 |
jcc_op = (b >> 1) & 7; |
960 |
|
961 |
switch(cc_op) {
|
962 |
/* we optimize the cmp/jcc case */
|
963 |
case CC_OP_SUBB:
|
964 |
case CC_OP_SUBW:
|
965 |
case CC_OP_SUBL:
|
966 |
case CC_OP_SUBQ:
|
967 |
|
968 |
size = cc_op - CC_OP_SUBB; |
969 |
switch(jcc_op) {
|
970 |
case JCC_Z:
|
971 |
fast_jcc_z:
|
972 |
switch(size) {
|
973 |
case 0: |
974 |
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0xff);
|
975 |
t0 = cpu_tmp0; |
976 |
break;
|
977 |
case 1: |
978 |
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0xffff);
|
979 |
t0 = cpu_tmp0; |
980 |
break;
|
981 |
#ifdef TARGET_X86_64
|
982 |
case 2: |
983 |
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0xffffffff);
|
984 |
t0 = cpu_tmp0; |
985 |
break;
|
986 |
#endif
|
987 |
default:
|
988 |
t0 = cpu_cc_dst; |
989 |
break;
|
990 |
} |
991 |
tcg_gen_brcondi_tl(inv ? TCG_COND_NE : TCG_COND_EQ, t0, 0, l1);
|
992 |
break;
|
993 |
case JCC_S:
|
994 |
fast_jcc_s:
|
995 |
switch(size) {
|
996 |
case 0: |
997 |
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0x80);
|
998 |
tcg_gen_brcondi_tl(inv ? TCG_COND_EQ : TCG_COND_NE, cpu_tmp0, |
999 |
0, l1);
|
1000 |
break;
|
1001 |
case 1: |
1002 |
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0x8000);
|
1003 |
tcg_gen_brcondi_tl(inv ? TCG_COND_EQ : TCG_COND_NE, cpu_tmp0, |
1004 |
0, l1);
|
1005 |
break;
|
1006 |
#ifdef TARGET_X86_64
|
1007 |
case 2: |
1008 |
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0x80000000);
|
1009 |
tcg_gen_brcondi_tl(inv ? TCG_COND_EQ : TCG_COND_NE, cpu_tmp0, |
1010 |
0, l1);
|
1011 |
break;
|
1012 |
#endif
|
1013 |
default:
|
1014 |
tcg_gen_brcondi_tl(inv ? TCG_COND_GE : TCG_COND_LT, cpu_cc_dst, |
1015 |
0, l1);
|
1016 |
break;
|
1017 |
} |
1018 |
break;
|
1019 |
|
1020 |
case JCC_B:
|
1021 |
cond = inv ? TCG_COND_GEU : TCG_COND_LTU; |
1022 |
goto fast_jcc_b;
|
1023 |
case JCC_BE:
|
1024 |
cond = inv ? TCG_COND_GTU : TCG_COND_LEU; |
1025 |
fast_jcc_b:
|
1026 |
tcg_gen_add_tl(cpu_tmp4, cpu_cc_dst, cpu_cc_src); |
1027 |
switch(size) {
|
1028 |
case 0: |
1029 |
t0 = cpu_tmp0; |
1030 |
tcg_gen_andi_tl(cpu_tmp4, cpu_tmp4, 0xff);
|
1031 |
tcg_gen_andi_tl(t0, cpu_cc_src, 0xff);
|
1032 |
break;
|
1033 |
case 1: |
1034 |
t0 = cpu_tmp0; |
1035 |
tcg_gen_andi_tl(cpu_tmp4, cpu_tmp4, 0xffff);
|
1036 |
tcg_gen_andi_tl(t0, cpu_cc_src, 0xffff);
|
1037 |
break;
|
1038 |
#ifdef TARGET_X86_64
|
1039 |
case 2: |
1040 |
t0 = cpu_tmp0; |
1041 |
tcg_gen_andi_tl(cpu_tmp4, cpu_tmp4, 0xffffffff);
|
1042 |
tcg_gen_andi_tl(t0, cpu_cc_src, 0xffffffff);
|
1043 |
break;
|
1044 |
#endif
|
1045 |
default:
|
1046 |
t0 = cpu_cc_src; |
1047 |
break;
|
1048 |
} |
1049 |
tcg_gen_brcond_tl(cond, cpu_tmp4, t0, l1); |
1050 |
break;
|
1051 |
|
1052 |
case JCC_L:
|
1053 |
cond = inv ? TCG_COND_GE : TCG_COND_LT; |
1054 |
goto fast_jcc_l;
|
1055 |
case JCC_LE:
|
1056 |
cond = inv ? TCG_COND_GT : TCG_COND_LE; |
1057 |
fast_jcc_l:
|
1058 |
tcg_gen_add_tl(cpu_tmp4, cpu_cc_dst, cpu_cc_src); |
1059 |
switch(size) {
|
1060 |
case 0: |
1061 |
t0 = cpu_tmp0; |
1062 |
tcg_gen_ext8s_tl(cpu_tmp4, cpu_tmp4); |
1063 |
tcg_gen_ext8s_tl(t0, cpu_cc_src); |
1064 |
break;
|
1065 |
case 1: |
1066 |
t0 = cpu_tmp0; |
1067 |
tcg_gen_ext16s_tl(cpu_tmp4, cpu_tmp4); |
1068 |
tcg_gen_ext16s_tl(t0, cpu_cc_src); |
1069 |
break;
|
1070 |
#ifdef TARGET_X86_64
|
1071 |
case 2: |
1072 |
t0 = cpu_tmp0; |
1073 |
tcg_gen_ext32s_tl(cpu_tmp4, cpu_tmp4); |
1074 |
tcg_gen_ext32s_tl(t0, cpu_cc_src); |
1075 |
break;
|
1076 |
#endif
|
1077 |
default:
|
1078 |
t0 = cpu_cc_src; |
1079 |
break;
|
1080 |
} |
1081 |
tcg_gen_brcond_tl(cond, cpu_tmp4, t0, l1); |
1082 |
break;
|
1083 |
|
1084 |
default:
|
1085 |
goto slow_jcc;
|
1086 |
} |
1087 |
break;
|
1088 |
|
1089 |
/* some jumps are easy to compute */
|
1090 |
case CC_OP_ADDB:
|
1091 |
case CC_OP_ADDW:
|
1092 |
case CC_OP_ADDL:
|
1093 |
case CC_OP_ADDQ:
|
1094 |
|
1095 |
case CC_OP_ADCB:
|
1096 |
case CC_OP_ADCW:
|
1097 |
case CC_OP_ADCL:
|
1098 |
case CC_OP_ADCQ:
|
1099 |
|
1100 |
case CC_OP_SBBB:
|
1101 |
case CC_OP_SBBW:
|
1102 |
case CC_OP_SBBL:
|
1103 |
case CC_OP_SBBQ:
|
1104 |
|
1105 |
case CC_OP_LOGICB:
|
1106 |
case CC_OP_LOGICW:
|
1107 |
case CC_OP_LOGICL:
|
1108 |
case CC_OP_LOGICQ:
|
1109 |
|
1110 |
case CC_OP_INCB:
|
1111 |
case CC_OP_INCW:
|
1112 |
case CC_OP_INCL:
|
1113 |
case CC_OP_INCQ:
|
1114 |
|
1115 |
case CC_OP_DECB:
|
1116 |
case CC_OP_DECW:
|
1117 |
case CC_OP_DECL:
|
1118 |
case CC_OP_DECQ:
|
1119 |
|
1120 |
case CC_OP_SHLB:
|
1121 |
case CC_OP_SHLW:
|
1122 |
case CC_OP_SHLL:
|
1123 |
case CC_OP_SHLQ:
|
1124 |
|
1125 |
case CC_OP_SARB:
|
1126 |
case CC_OP_SARW:
|
1127 |
case CC_OP_SARL:
|
1128 |
case CC_OP_SARQ:
|
1129 |
switch(jcc_op) {
|
1130 |
case JCC_Z:
|
1131 |
size = (cc_op - CC_OP_ADDB) & 3;
|
1132 |
goto fast_jcc_z;
|
1133 |
case JCC_S:
|
1134 |
size = (cc_op - CC_OP_ADDB) & 3;
|
1135 |
goto fast_jcc_s;
|
1136 |
default:
|
1137 |
goto slow_jcc;
|
1138 |
} |
1139 |
break;
|
1140 |
default:
|
1141 |
slow_jcc:
|
1142 |
gen_setcc_slow_T0(s, jcc_op); |
1143 |
tcg_gen_brcondi_tl(inv ? TCG_COND_EQ : TCG_COND_NE, |
1144 |
cpu_T[0], 0, l1); |
1145 |
break;
|
1146 |
} |
1147 |
} |
1148 |
|
1149 |
/* XXX: does not work with gdbstub "ice" single step - not a
|
1150 |
serious problem */
|
1151 |
static int gen_jz_ecx_string(DisasContext *s, target_ulong next_eip) |
1152 |
{ |
1153 |
int l1, l2;
|
1154 |
|
1155 |
l1 = gen_new_label(); |
1156 |
l2 = gen_new_label(); |
1157 |
gen_op_jnz_ecx(s->aflag, l1); |
1158 |
gen_set_label(l2); |
1159 |
gen_jmp_tb(s, next_eip, 1);
|
1160 |
gen_set_label(l1); |
1161 |
return l2;
|
1162 |
} |
1163 |
|
1164 |
static inline void gen_stos(DisasContext *s, int ot) |
1165 |
{ |
1166 |
gen_op_mov_TN_reg(OT_LONG, 0, R_EAX);
|
1167 |
gen_string_movl_A0_EDI(s); |
1168 |
gen_op_st_T0_A0(ot + s->mem_index); |
1169 |
gen_op_movl_T0_Dshift(ot); |
1170 |
gen_op_add_reg_T0(s->aflag, R_EDI); |
1171 |
} |
1172 |
|
1173 |
static inline void gen_lods(DisasContext *s, int ot) |
1174 |
{ |
1175 |
gen_string_movl_A0_ESI(s); |
1176 |
gen_op_ld_T0_A0(ot + s->mem_index); |
1177 |
gen_op_mov_reg_T0(ot, R_EAX); |
1178 |
gen_op_movl_T0_Dshift(ot); |
1179 |
gen_op_add_reg_T0(s->aflag, R_ESI); |
1180 |
} |
1181 |
|
1182 |
static inline void gen_scas(DisasContext *s, int ot) |
1183 |
{ |
1184 |
gen_op_mov_TN_reg(OT_LONG, 0, R_EAX);
|
1185 |
gen_string_movl_A0_EDI(s); |
1186 |
gen_op_ld_T1_A0(ot + s->mem_index); |
1187 |
gen_op_cmpl_T0_T1_cc(); |
1188 |
gen_op_movl_T0_Dshift(ot); |
1189 |
gen_op_add_reg_T0(s->aflag, R_EDI); |
1190 |
} |
1191 |
|
1192 |
static inline void gen_cmps(DisasContext *s, int ot) |
1193 |
{ |
1194 |
gen_string_movl_A0_ESI(s); |
1195 |
gen_op_ld_T0_A0(ot + s->mem_index); |
1196 |
gen_string_movl_A0_EDI(s); |
1197 |
gen_op_ld_T1_A0(ot + s->mem_index); |
1198 |
gen_op_cmpl_T0_T1_cc(); |
1199 |
gen_op_movl_T0_Dshift(ot); |
1200 |
gen_op_add_reg_T0(s->aflag, R_ESI); |
1201 |
gen_op_add_reg_T0(s->aflag, R_EDI); |
1202 |
} |
1203 |
|
1204 |
static inline void gen_ins(DisasContext *s, int ot) |
1205 |
{ |
1206 |
gen_string_movl_A0_EDI(s); |
1207 |
/* Note: we must do this dummy write first to be restartable in
|
1208 |
case of page fault. */
|
1209 |
gen_op_movl_T0_0(); |
1210 |
gen_op_st_T0_A0(ot + s->mem_index); |
1211 |
gen_op_mov_TN_reg(OT_WORD, 1, R_EDX);
|
1212 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[1]);
|
1213 |
tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff);
|
1214 |
tcg_gen_helper_1_1(helper_in_func[ot], cpu_T[0], cpu_tmp2_i32);
|
1215 |
gen_op_st_T0_A0(ot + s->mem_index); |
1216 |
gen_op_movl_T0_Dshift(ot); |
1217 |
gen_op_add_reg_T0(s->aflag, R_EDI); |
1218 |
} |
1219 |
|
1220 |
static inline void gen_outs(DisasContext *s, int ot) |
1221 |
{ |
1222 |
gen_string_movl_A0_ESI(s); |
1223 |
gen_op_ld_T0_A0(ot + s->mem_index); |
1224 |
|
1225 |
gen_op_mov_TN_reg(OT_WORD, 1, R_EDX);
|
1226 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[1]);
|
1227 |
tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff);
|
1228 |
tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T[0]);
|
1229 |
tcg_gen_helper_0_2(helper_out_func[ot], cpu_tmp2_i32, cpu_tmp3_i32); |
1230 |
|
1231 |
gen_op_movl_T0_Dshift(ot); |
1232 |
gen_op_add_reg_T0(s->aflag, R_ESI); |
1233 |
} |
1234 |
|
1235 |
/* same method as Valgrind : we generate jumps to current or next
|
1236 |
instruction */
|
1237 |
#define GEN_REPZ(op) \
|
1238 |
static inline void gen_repz_ ## op(DisasContext *s, int ot, \ |
1239 |
target_ulong cur_eip, target_ulong next_eip) \ |
1240 |
{ \ |
1241 |
int l2;\
|
1242 |
gen_update_cc_op(s); \ |
1243 |
l2 = gen_jz_ecx_string(s, next_eip); \ |
1244 |
gen_ ## op(s, ot); \ |
1245 |
gen_op_add_reg_im(s->aflag, R_ECX, -1); \
|
1246 |
/* a loop would cause two single step exceptions if ECX = 1 \
|
1247 |
before rep string_insn */ \
|
1248 |
if (!s->jmp_opt) \
|
1249 |
gen_op_jz_ecx(s->aflag, l2); \ |
1250 |
gen_jmp(s, cur_eip); \ |
1251 |
} |
1252 |
|
1253 |
#define GEN_REPZ2(op) \
|
1254 |
static inline void gen_repz_ ## op(DisasContext *s, int ot, \ |
1255 |
target_ulong cur_eip, \ |
1256 |
target_ulong next_eip, \ |
1257 |
int nz) \
|
1258 |
{ \ |
1259 |
int l2;\
|
1260 |
gen_update_cc_op(s); \ |
1261 |
l2 = gen_jz_ecx_string(s, next_eip); \ |
1262 |
gen_ ## op(s, ot); \ |
1263 |
gen_op_add_reg_im(s->aflag, R_ECX, -1); \
|
1264 |
gen_op_set_cc_op(CC_OP_SUBB + ot); \ |
1265 |
gen_jcc1(s, CC_OP_SUBB + ot, (JCC_Z << 1) | (nz ^ 1), l2); \ |
1266 |
if (!s->jmp_opt) \
|
1267 |
gen_op_jz_ecx(s->aflag, l2); \ |
1268 |
gen_jmp(s, cur_eip); \ |
1269 |
} |
1270 |
|
1271 |
GEN_REPZ(movs) |
1272 |
GEN_REPZ(stos) |
1273 |
GEN_REPZ(lods) |
1274 |
GEN_REPZ(ins) |
1275 |
GEN_REPZ(outs) |
1276 |
GEN_REPZ2(scas) |
1277 |
GEN_REPZ2(cmps) |
1278 |
|
1279 |
static void *helper_fp_arith_ST0_FT0[8] = { |
1280 |
helper_fadd_ST0_FT0, |
1281 |
helper_fmul_ST0_FT0, |
1282 |
helper_fcom_ST0_FT0, |
1283 |
helper_fcom_ST0_FT0, |
1284 |
helper_fsub_ST0_FT0, |
1285 |
helper_fsubr_ST0_FT0, |
1286 |
helper_fdiv_ST0_FT0, |
1287 |
helper_fdivr_ST0_FT0, |
1288 |
}; |
1289 |
|
1290 |
/* NOTE the exception in "r" op ordering */
|
1291 |
static void *helper_fp_arith_STN_ST0[8] = { |
1292 |
helper_fadd_STN_ST0, |
1293 |
helper_fmul_STN_ST0, |
1294 |
NULL,
|
1295 |
NULL,
|
1296 |
helper_fsubr_STN_ST0, |
1297 |
helper_fsub_STN_ST0, |
1298 |
helper_fdivr_STN_ST0, |
1299 |
helper_fdiv_STN_ST0, |
1300 |
}; |
1301 |
|
1302 |
/* if d == OR_TMP0, it means memory operand (address in A0) */
|
1303 |
static void gen_op(DisasContext *s1, int op, int ot, int d) |
1304 |
{ |
1305 |
if (d != OR_TMP0) {
|
1306 |
gen_op_mov_TN_reg(ot, 0, d);
|
1307 |
} else {
|
1308 |
gen_op_ld_T0_A0(ot + s1->mem_index); |
1309 |
} |
1310 |
switch(op) {
|
1311 |
case OP_ADCL:
|
1312 |
if (s1->cc_op != CC_OP_DYNAMIC)
|
1313 |
gen_op_set_cc_op(s1->cc_op); |
1314 |
gen_compute_eflags_c(cpu_tmp4); |
1315 |
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1316 |
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_tmp4); |
1317 |
if (d != OR_TMP0)
|
1318 |
gen_op_mov_reg_T0(ot, d); |
1319 |
else
|
1320 |
gen_op_st_T0_A0(ot + s1->mem_index); |
1321 |
tcg_gen_mov_tl(cpu_cc_src, cpu_T[1]);
|
1322 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
1323 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_tmp4); |
1324 |
tcg_gen_shli_i32(cpu_tmp2_i32, cpu_tmp2_i32, 2);
|
1325 |
tcg_gen_addi_i32(cpu_cc_op, cpu_tmp2_i32, CC_OP_ADDB + ot); |
1326 |
s1->cc_op = CC_OP_DYNAMIC; |
1327 |
break;
|
1328 |
case OP_SBBL:
|
1329 |
if (s1->cc_op != CC_OP_DYNAMIC)
|
1330 |
gen_op_set_cc_op(s1->cc_op); |
1331 |
gen_compute_eflags_c(cpu_tmp4); |
1332 |
tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1333 |
tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_tmp4); |
1334 |
if (d != OR_TMP0)
|
1335 |
gen_op_mov_reg_T0(ot, d); |
1336 |
else
|
1337 |
gen_op_st_T0_A0(ot + s1->mem_index); |
1338 |
tcg_gen_mov_tl(cpu_cc_src, cpu_T[1]);
|
1339 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
1340 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_tmp4); |
1341 |
tcg_gen_shli_i32(cpu_tmp2_i32, cpu_tmp2_i32, 2);
|
1342 |
tcg_gen_addi_i32(cpu_cc_op, cpu_tmp2_i32, CC_OP_SUBB + ot); |
1343 |
s1->cc_op = CC_OP_DYNAMIC; |
1344 |
break;
|
1345 |
case OP_ADDL:
|
1346 |
gen_op_addl_T0_T1(); |
1347 |
if (d != OR_TMP0)
|
1348 |
gen_op_mov_reg_T0(ot, d); |
1349 |
else
|
1350 |
gen_op_st_T0_A0(ot + s1->mem_index); |
1351 |
gen_op_update2_cc(); |
1352 |
s1->cc_op = CC_OP_ADDB + ot; |
1353 |
break;
|
1354 |
case OP_SUBL:
|
1355 |
tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1356 |
if (d != OR_TMP0)
|
1357 |
gen_op_mov_reg_T0(ot, d); |
1358 |
else
|
1359 |
gen_op_st_T0_A0(ot + s1->mem_index); |
1360 |
gen_op_update2_cc(); |
1361 |
s1->cc_op = CC_OP_SUBB + ot; |
1362 |
break;
|
1363 |
default:
|
1364 |
case OP_ANDL:
|
1365 |
tcg_gen_and_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1366 |
if (d != OR_TMP0)
|
1367 |
gen_op_mov_reg_T0(ot, d); |
1368 |
else
|
1369 |
gen_op_st_T0_A0(ot + s1->mem_index); |
1370 |
gen_op_update1_cc(); |
1371 |
s1->cc_op = CC_OP_LOGICB + ot; |
1372 |
break;
|
1373 |
case OP_ORL:
|
1374 |
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1375 |
if (d != OR_TMP0)
|
1376 |
gen_op_mov_reg_T0(ot, d); |
1377 |
else
|
1378 |
gen_op_st_T0_A0(ot + s1->mem_index); |
1379 |
gen_op_update1_cc(); |
1380 |
s1->cc_op = CC_OP_LOGICB + ot; |
1381 |
break;
|
1382 |
case OP_XORL:
|
1383 |
tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1384 |
if (d != OR_TMP0)
|
1385 |
gen_op_mov_reg_T0(ot, d); |
1386 |
else
|
1387 |
gen_op_st_T0_A0(ot + s1->mem_index); |
1388 |
gen_op_update1_cc(); |
1389 |
s1->cc_op = CC_OP_LOGICB + ot; |
1390 |
break;
|
1391 |
case OP_CMPL:
|
1392 |
gen_op_cmpl_T0_T1_cc(); |
1393 |
s1->cc_op = CC_OP_SUBB + ot; |
1394 |
break;
|
1395 |
} |
1396 |
} |
1397 |
|
1398 |
/* if d == OR_TMP0, it means memory operand (address in A0) */
|
1399 |
static void gen_inc(DisasContext *s1, int ot, int d, int c) |
1400 |
{ |
1401 |
if (d != OR_TMP0)
|
1402 |
gen_op_mov_TN_reg(ot, 0, d);
|
1403 |
else
|
1404 |
gen_op_ld_T0_A0(ot + s1->mem_index); |
1405 |
if (s1->cc_op != CC_OP_DYNAMIC)
|
1406 |
gen_op_set_cc_op(s1->cc_op); |
1407 |
if (c > 0) { |
1408 |
tcg_gen_addi_tl(cpu_T[0], cpu_T[0], 1); |
1409 |
s1->cc_op = CC_OP_INCB + ot; |
1410 |
} else {
|
1411 |
tcg_gen_addi_tl(cpu_T[0], cpu_T[0], -1); |
1412 |
s1->cc_op = CC_OP_DECB + ot; |
1413 |
} |
1414 |
if (d != OR_TMP0)
|
1415 |
gen_op_mov_reg_T0(ot, d); |
1416 |
else
|
1417 |
gen_op_st_T0_A0(ot + s1->mem_index); |
1418 |
gen_compute_eflags_c(cpu_cc_src); |
1419 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
1420 |
} |
1421 |
|
1422 |
static void gen_shift_rm_T1(DisasContext *s, int ot, int op1, |
1423 |
int is_right, int is_arith) |
1424 |
{ |
1425 |
target_ulong mask; |
1426 |
int shift_label;
|
1427 |
TCGv t0, t1; |
1428 |
|
1429 |
if (ot == OT_QUAD)
|
1430 |
mask = 0x3f;
|
1431 |
else
|
1432 |
mask = 0x1f;
|
1433 |
|
1434 |
/* load */
|
1435 |
if (op1 == OR_TMP0)
|
1436 |
gen_op_ld_T0_A0(ot + s->mem_index); |
1437 |
else
|
1438 |
gen_op_mov_TN_reg(ot, 0, op1);
|
1439 |
|
1440 |
tcg_gen_andi_tl(cpu_T[1], cpu_T[1], mask); |
1441 |
|
1442 |
tcg_gen_addi_tl(cpu_tmp5, cpu_T[1], -1); |
1443 |
|
1444 |
if (is_right) {
|
1445 |
if (is_arith) {
|
1446 |
gen_exts(ot, cpu_T[0]);
|
1447 |
tcg_gen_sar_tl(cpu_T3, cpu_T[0], cpu_tmp5);
|
1448 |
tcg_gen_sar_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1449 |
} else {
|
1450 |
gen_extu(ot, cpu_T[0]);
|
1451 |
tcg_gen_shr_tl(cpu_T3, cpu_T[0], cpu_tmp5);
|
1452 |
tcg_gen_shr_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1453 |
} |
1454 |
} else {
|
1455 |
tcg_gen_shl_tl(cpu_T3, cpu_T[0], cpu_tmp5);
|
1456 |
tcg_gen_shl_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1457 |
} |
1458 |
|
1459 |
/* store */
|
1460 |
if (op1 == OR_TMP0)
|
1461 |
gen_op_st_T0_A0(ot + s->mem_index); |
1462 |
else
|
1463 |
gen_op_mov_reg_T0(ot, op1); |
1464 |
|
1465 |
/* update eflags if non zero shift */
|
1466 |
if (s->cc_op != CC_OP_DYNAMIC)
|
1467 |
gen_op_set_cc_op(s->cc_op); |
1468 |
|
1469 |
/* XXX: inefficient */
|
1470 |
t0 = tcg_temp_local_new(TCG_TYPE_TL); |
1471 |
t1 = tcg_temp_local_new(TCG_TYPE_TL); |
1472 |
|
1473 |
tcg_gen_mov_tl(t0, cpu_T[0]);
|
1474 |
tcg_gen_mov_tl(t1, cpu_T3); |
1475 |
|
1476 |
shift_label = gen_new_label(); |
1477 |
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T[1], 0, shift_label); |
1478 |
|
1479 |
tcg_gen_mov_tl(cpu_cc_src, t1); |
1480 |
tcg_gen_mov_tl(cpu_cc_dst, t0); |
1481 |
if (is_right)
|
1482 |
tcg_gen_movi_i32(cpu_cc_op, CC_OP_SARB + ot); |
1483 |
else
|
1484 |
tcg_gen_movi_i32(cpu_cc_op, CC_OP_SHLB + ot); |
1485 |
|
1486 |
gen_set_label(shift_label); |
1487 |
s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */
|
1488 |
|
1489 |
tcg_temp_free(t0); |
1490 |
tcg_temp_free(t1); |
1491 |
} |
1492 |
|
1493 |
static void gen_shift_rm_im(DisasContext *s, int ot, int op1, int op2, |
1494 |
int is_right, int is_arith) |
1495 |
{ |
1496 |
int mask;
|
1497 |
|
1498 |
if (ot == OT_QUAD)
|
1499 |
mask = 0x3f;
|
1500 |
else
|
1501 |
mask = 0x1f;
|
1502 |
|
1503 |
/* load */
|
1504 |
if (op1 == OR_TMP0)
|
1505 |
gen_op_ld_T0_A0(ot + s->mem_index); |
1506 |
else
|
1507 |
gen_op_mov_TN_reg(ot, 0, op1);
|
1508 |
|
1509 |
op2 &= mask; |
1510 |
if (op2 != 0) { |
1511 |
if (is_right) {
|
1512 |
if (is_arith) {
|
1513 |
gen_exts(ot, cpu_T[0]);
|
1514 |
tcg_gen_sari_tl(cpu_tmp4, cpu_T[0], op2 - 1); |
1515 |
tcg_gen_sari_tl(cpu_T[0], cpu_T[0], op2); |
1516 |
} else {
|
1517 |
gen_extu(ot, cpu_T[0]);
|
1518 |
tcg_gen_shri_tl(cpu_tmp4, cpu_T[0], op2 - 1); |
1519 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], op2); |
1520 |
} |
1521 |
} else {
|
1522 |
tcg_gen_shli_tl(cpu_tmp4, cpu_T[0], op2 - 1); |
1523 |
tcg_gen_shli_tl(cpu_T[0], cpu_T[0], op2); |
1524 |
} |
1525 |
} |
1526 |
|
1527 |
/* store */
|
1528 |
if (op1 == OR_TMP0)
|
1529 |
gen_op_st_T0_A0(ot + s->mem_index); |
1530 |
else
|
1531 |
gen_op_mov_reg_T0(ot, op1); |
1532 |
|
1533 |
/* update eflags if non zero shift */
|
1534 |
if (op2 != 0) { |
1535 |
tcg_gen_mov_tl(cpu_cc_src, cpu_tmp4); |
1536 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
1537 |
if (is_right)
|
1538 |
s->cc_op = CC_OP_SARB + ot; |
1539 |
else
|
1540 |
s->cc_op = CC_OP_SHLB + ot; |
1541 |
} |
1542 |
} |
1543 |
|
1544 |
static inline void tcg_gen_lshift(TCGv ret, TCGv arg1, target_long arg2) |
1545 |
{ |
1546 |
if (arg2 >= 0) |
1547 |
tcg_gen_shli_tl(ret, arg1, arg2); |
1548 |
else
|
1549 |
tcg_gen_shri_tl(ret, arg1, -arg2); |
1550 |
} |
1551 |
|
1552 |
/* XXX: add faster immediate case */
|
1553 |
static void gen_rot_rm_T1(DisasContext *s, int ot, int op1, |
1554 |
int is_right)
|
1555 |
{ |
1556 |
target_ulong mask; |
1557 |
int label1, label2, data_bits;
|
1558 |
TCGv t0, t1, t2, a0; |
1559 |
|
1560 |
/* XXX: inefficient, but we must use local temps */
|
1561 |
t0 = tcg_temp_local_new(TCG_TYPE_TL); |
1562 |
t1 = tcg_temp_local_new(TCG_TYPE_TL); |
1563 |
t2 = tcg_temp_local_new(TCG_TYPE_TL); |
1564 |
a0 = tcg_temp_local_new(TCG_TYPE_TL); |
1565 |
|
1566 |
if (ot == OT_QUAD)
|
1567 |
mask = 0x3f;
|
1568 |
else
|
1569 |
mask = 0x1f;
|
1570 |
|
1571 |
/* load */
|
1572 |
if (op1 == OR_TMP0) {
|
1573 |
tcg_gen_mov_tl(a0, cpu_A0); |
1574 |
gen_op_ld_v(ot + s->mem_index, t0, a0); |
1575 |
} else {
|
1576 |
gen_op_mov_v_reg(ot, t0, op1); |
1577 |
} |
1578 |
|
1579 |
tcg_gen_mov_tl(t1, cpu_T[1]);
|
1580 |
|
1581 |
tcg_gen_andi_tl(t1, t1, mask); |
1582 |
|
1583 |
/* Must test zero case to avoid using undefined behaviour in TCG
|
1584 |
shifts. */
|
1585 |
label1 = gen_new_label(); |
1586 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, label1);
|
1587 |
|
1588 |
if (ot <= OT_WORD)
|
1589 |
tcg_gen_andi_tl(cpu_tmp0, t1, (1 << (3 + ot)) - 1); |
1590 |
else
|
1591 |
tcg_gen_mov_tl(cpu_tmp0, t1); |
1592 |
|
1593 |
gen_extu(ot, t0); |
1594 |
tcg_gen_mov_tl(t2, t0); |
1595 |
|
1596 |
data_bits = 8 << ot;
|
1597 |
/* XXX: rely on behaviour of shifts when operand 2 overflows (XXX:
|
1598 |
fix TCG definition) */
|
1599 |
if (is_right) {
|
1600 |
tcg_gen_shr_tl(cpu_tmp4, t0, cpu_tmp0); |
1601 |
tcg_gen_sub_tl(cpu_tmp0, tcg_const_tl(data_bits), cpu_tmp0); |
1602 |
tcg_gen_shl_tl(t0, t0, cpu_tmp0); |
1603 |
} else {
|
1604 |
tcg_gen_shl_tl(cpu_tmp4, t0, cpu_tmp0); |
1605 |
tcg_gen_sub_tl(cpu_tmp0, tcg_const_tl(data_bits), cpu_tmp0); |
1606 |
tcg_gen_shr_tl(t0, t0, cpu_tmp0); |
1607 |
} |
1608 |
tcg_gen_or_tl(t0, t0, cpu_tmp4); |
1609 |
|
1610 |
gen_set_label(label1); |
1611 |
/* store */
|
1612 |
if (op1 == OR_TMP0) {
|
1613 |
gen_op_st_v(ot + s->mem_index, t0, a0); |
1614 |
} else {
|
1615 |
gen_op_mov_reg_v(ot, op1, t0); |
1616 |
} |
1617 |
|
1618 |
/* update eflags */
|
1619 |
if (s->cc_op != CC_OP_DYNAMIC)
|
1620 |
gen_op_set_cc_op(s->cc_op); |
1621 |
|
1622 |
label2 = gen_new_label(); |
1623 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, label2);
|
1624 |
|
1625 |
gen_compute_eflags(cpu_cc_src); |
1626 |
tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, ~(CC_O | CC_C)); |
1627 |
tcg_gen_xor_tl(cpu_tmp0, t2, t0); |
1628 |
tcg_gen_lshift(cpu_tmp0, cpu_tmp0, 11 - (data_bits - 1)); |
1629 |
tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, CC_O); |
1630 |
tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, cpu_tmp0); |
1631 |
if (is_right) {
|
1632 |
tcg_gen_shri_tl(t0, t0, data_bits - 1);
|
1633 |
} |
1634 |
tcg_gen_andi_tl(t0, t0, CC_C); |
1635 |
tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, t0); |
1636 |
|
1637 |
tcg_gen_discard_tl(cpu_cc_dst); |
1638 |
tcg_gen_movi_i32(cpu_cc_op, CC_OP_EFLAGS); |
1639 |
|
1640 |
gen_set_label(label2); |
1641 |
s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */
|
1642 |
|
1643 |
tcg_temp_free(t0); |
1644 |
tcg_temp_free(t1); |
1645 |
tcg_temp_free(t2); |
1646 |
tcg_temp_free(a0); |
1647 |
} |
1648 |
|
1649 |
static void *helper_rotc[8] = { |
1650 |
helper_rclb, |
1651 |
helper_rclw, |
1652 |
helper_rcll, |
1653 |
X86_64_ONLY(helper_rclq), |
1654 |
helper_rcrb, |
1655 |
helper_rcrw, |
1656 |
helper_rcrl, |
1657 |
X86_64_ONLY(helper_rcrq), |
1658 |
}; |
1659 |
|
1660 |
/* XXX: add faster immediate = 1 case */
|
1661 |
static void gen_rotc_rm_T1(DisasContext *s, int ot, int op1, |
1662 |
int is_right)
|
1663 |
{ |
1664 |
int label1;
|
1665 |
|
1666 |
if (s->cc_op != CC_OP_DYNAMIC)
|
1667 |
gen_op_set_cc_op(s->cc_op); |
1668 |
|
1669 |
/* load */
|
1670 |
if (op1 == OR_TMP0)
|
1671 |
gen_op_ld_T0_A0(ot + s->mem_index); |
1672 |
else
|
1673 |
gen_op_mov_TN_reg(ot, 0, op1);
|
1674 |
|
1675 |
tcg_gen_helper_1_2(helper_rotc[ot + (is_right * 4)],
|
1676 |
cpu_T[0], cpu_T[0], cpu_T[1]); |
1677 |
/* store */
|
1678 |
if (op1 == OR_TMP0)
|
1679 |
gen_op_st_T0_A0(ot + s->mem_index); |
1680 |
else
|
1681 |
gen_op_mov_reg_T0(ot, op1); |
1682 |
|
1683 |
/* update eflags */
|
1684 |
label1 = gen_new_label(); |
1685 |
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_cc_tmp, -1, label1);
|
1686 |
|
1687 |
tcg_gen_mov_tl(cpu_cc_src, cpu_cc_tmp); |
1688 |
tcg_gen_discard_tl(cpu_cc_dst); |
1689 |
tcg_gen_movi_i32(cpu_cc_op, CC_OP_EFLAGS); |
1690 |
|
1691 |
gen_set_label(label1); |
1692 |
s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */
|
1693 |
} |
1694 |
|
1695 |
/* XXX: add faster immediate case */
|
1696 |
static void gen_shiftd_rm_T1_T3(DisasContext *s, int ot, int op1, |
1697 |
int is_right)
|
1698 |
{ |
1699 |
int label1, label2, data_bits;
|
1700 |
target_ulong mask; |
1701 |
TCGv t0, t1, t2, a0; |
1702 |
|
1703 |
t0 = tcg_temp_local_new(TCG_TYPE_TL); |
1704 |
t1 = tcg_temp_local_new(TCG_TYPE_TL); |
1705 |
t2 = tcg_temp_local_new(TCG_TYPE_TL); |
1706 |
a0 = tcg_temp_local_new(TCG_TYPE_TL); |
1707 |
|
1708 |
if (ot == OT_QUAD)
|
1709 |
mask = 0x3f;
|
1710 |
else
|
1711 |
mask = 0x1f;
|
1712 |
|
1713 |
/* load */
|
1714 |
if (op1 == OR_TMP0) {
|
1715 |
tcg_gen_mov_tl(a0, cpu_A0); |
1716 |
gen_op_ld_v(ot + s->mem_index, t0, a0); |
1717 |
} else {
|
1718 |
gen_op_mov_v_reg(ot, t0, op1); |
1719 |
} |
1720 |
|
1721 |
tcg_gen_andi_tl(cpu_T3, cpu_T3, mask); |
1722 |
|
1723 |
tcg_gen_mov_tl(t1, cpu_T[1]);
|
1724 |
tcg_gen_mov_tl(t2, cpu_T3); |
1725 |
|
1726 |
/* Must test zero case to avoid using undefined behaviour in TCG
|
1727 |
shifts. */
|
1728 |
label1 = gen_new_label(); |
1729 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, label1);
|
1730 |
|
1731 |
tcg_gen_addi_tl(cpu_tmp5, t2, -1);
|
1732 |
if (ot == OT_WORD) {
|
1733 |
/* Note: we implement the Intel behaviour for shift count > 16 */
|
1734 |
if (is_right) {
|
1735 |
tcg_gen_andi_tl(t0, t0, 0xffff);
|
1736 |
tcg_gen_shli_tl(cpu_tmp0, t1, 16);
|
1737 |
tcg_gen_or_tl(t0, t0, cpu_tmp0); |
1738 |
tcg_gen_ext32u_tl(t0, t0); |
1739 |
|
1740 |
tcg_gen_shr_tl(cpu_tmp4, t0, cpu_tmp5); |
1741 |
|
1742 |
/* only needed if count > 16, but a test would complicate */
|
1743 |
tcg_gen_sub_tl(cpu_tmp5, tcg_const_tl(32), t2);
|
1744 |
tcg_gen_shl_tl(cpu_tmp0, t0, cpu_tmp5); |
1745 |
|
1746 |
tcg_gen_shr_tl(t0, t0, t2); |
1747 |
|
1748 |
tcg_gen_or_tl(t0, t0, cpu_tmp0); |
1749 |
} else {
|
1750 |
/* XXX: not optimal */
|
1751 |
tcg_gen_andi_tl(t0, t0, 0xffff);
|
1752 |
tcg_gen_shli_tl(t1, t1, 16);
|
1753 |
tcg_gen_or_tl(t1, t1, t0); |
1754 |
tcg_gen_ext32u_tl(t1, t1); |
1755 |
|
1756 |
tcg_gen_shl_tl(cpu_tmp4, t0, cpu_tmp5); |
1757 |
tcg_gen_sub_tl(cpu_tmp0, tcg_const_tl(32), cpu_tmp5);
|
1758 |
tcg_gen_shr_tl(cpu_tmp6, t1, cpu_tmp0); |
1759 |
tcg_gen_or_tl(cpu_tmp4, cpu_tmp4, cpu_tmp6); |
1760 |
|
1761 |
tcg_gen_shl_tl(t0, t0, t2); |
1762 |
tcg_gen_sub_tl(cpu_tmp5, tcg_const_tl(32), t2);
|
1763 |
tcg_gen_shr_tl(t1, t1, cpu_tmp5); |
1764 |
tcg_gen_or_tl(t0, t0, t1); |
1765 |
} |
1766 |
} else {
|
1767 |
data_bits = 8 << ot;
|
1768 |
if (is_right) {
|
1769 |
if (ot == OT_LONG)
|
1770 |
tcg_gen_ext32u_tl(t0, t0); |
1771 |
|
1772 |
tcg_gen_shr_tl(cpu_tmp4, t0, cpu_tmp5); |
1773 |
|
1774 |
tcg_gen_shr_tl(t0, t0, t2); |
1775 |
tcg_gen_sub_tl(cpu_tmp5, tcg_const_tl(data_bits), t2); |
1776 |
tcg_gen_shl_tl(t1, t1, cpu_tmp5); |
1777 |
tcg_gen_or_tl(t0, t0, t1); |
1778 |
|
1779 |
} else {
|
1780 |
if (ot == OT_LONG)
|
1781 |
tcg_gen_ext32u_tl(t1, t1); |
1782 |
|
1783 |
tcg_gen_shl_tl(cpu_tmp4, t0, cpu_tmp5); |
1784 |
|
1785 |
tcg_gen_shl_tl(t0, t0, t2); |
1786 |
tcg_gen_sub_tl(cpu_tmp5, tcg_const_tl(data_bits), t2); |
1787 |
tcg_gen_shr_tl(t1, t1, cpu_tmp5); |
1788 |
tcg_gen_or_tl(t0, t0, t1); |
1789 |
} |
1790 |
} |
1791 |
tcg_gen_mov_tl(t1, cpu_tmp4); |
1792 |
|
1793 |
gen_set_label(label1); |
1794 |
/* store */
|
1795 |
if (op1 == OR_TMP0) {
|
1796 |
gen_op_st_v(ot + s->mem_index, t0, a0); |
1797 |
} else {
|
1798 |
gen_op_mov_reg_v(ot, op1, t0); |
1799 |
} |
1800 |
|
1801 |
/* update eflags */
|
1802 |
if (s->cc_op != CC_OP_DYNAMIC)
|
1803 |
gen_op_set_cc_op(s->cc_op); |
1804 |
|
1805 |
label2 = gen_new_label(); |
1806 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, label2);
|
1807 |
|
1808 |
tcg_gen_mov_tl(cpu_cc_src, t1); |
1809 |
tcg_gen_mov_tl(cpu_cc_dst, t0); |
1810 |
if (is_right) {
|
1811 |
tcg_gen_movi_i32(cpu_cc_op, CC_OP_SARB + ot); |
1812 |
} else {
|
1813 |
tcg_gen_movi_i32(cpu_cc_op, CC_OP_SHLB + ot); |
1814 |
} |
1815 |
gen_set_label(label2); |
1816 |
s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */
|
1817 |
|
1818 |
tcg_temp_free(t0); |
1819 |
tcg_temp_free(t1); |
1820 |
tcg_temp_free(t2); |
1821 |
tcg_temp_free(a0); |
1822 |
} |
1823 |
|
1824 |
static void gen_shift(DisasContext *s1, int op, int ot, int d, int s) |
1825 |
{ |
1826 |
if (s != OR_TMP1)
|
1827 |
gen_op_mov_TN_reg(ot, 1, s);
|
1828 |
switch(op) {
|
1829 |
case OP_ROL:
|
1830 |
gen_rot_rm_T1(s1, ot, d, 0);
|
1831 |
break;
|
1832 |
case OP_ROR:
|
1833 |
gen_rot_rm_T1(s1, ot, d, 1);
|
1834 |
break;
|
1835 |
case OP_SHL:
|
1836 |
case OP_SHL1:
|
1837 |
gen_shift_rm_T1(s1, ot, d, 0, 0); |
1838 |
break;
|
1839 |
case OP_SHR:
|
1840 |
gen_shift_rm_T1(s1, ot, d, 1, 0); |
1841 |
break;
|
1842 |
case OP_SAR:
|
1843 |
gen_shift_rm_T1(s1, ot, d, 1, 1); |
1844 |
break;
|
1845 |
case OP_RCL:
|
1846 |
gen_rotc_rm_T1(s1, ot, d, 0);
|
1847 |
break;
|
1848 |
case OP_RCR:
|
1849 |
gen_rotc_rm_T1(s1, ot, d, 1);
|
1850 |
break;
|
1851 |
} |
1852 |
} |
1853 |
|
1854 |
static void gen_shifti(DisasContext *s1, int op, int ot, int d, int c) |
1855 |
{ |
1856 |
switch(op) {
|
1857 |
case OP_SHL:
|
1858 |
case OP_SHL1:
|
1859 |
gen_shift_rm_im(s1, ot, d, c, 0, 0); |
1860 |
break;
|
1861 |
case OP_SHR:
|
1862 |
gen_shift_rm_im(s1, ot, d, c, 1, 0); |
1863 |
break;
|
1864 |
case OP_SAR:
|
1865 |
gen_shift_rm_im(s1, ot, d, c, 1, 1); |
1866 |
break;
|
1867 |
default:
|
1868 |
/* currently not optimized */
|
1869 |
gen_op_movl_T1_im(c); |
1870 |
gen_shift(s1, op, ot, d, OR_TMP1); |
1871 |
break;
|
1872 |
} |
1873 |
} |
1874 |
|
1875 |
static void gen_lea_modrm(DisasContext *s, int modrm, int *reg_ptr, int *offset_ptr) |
1876 |
{ |
1877 |
target_long disp; |
1878 |
int havesib;
|
1879 |
int base;
|
1880 |
int index;
|
1881 |
int scale;
|
1882 |
int opreg;
|
1883 |
int mod, rm, code, override, must_add_seg;
|
1884 |
|
1885 |
override = s->override; |
1886 |
must_add_seg = s->addseg; |
1887 |
if (override >= 0) |
1888 |
must_add_seg = 1;
|
1889 |
mod = (modrm >> 6) & 3; |
1890 |
rm = modrm & 7;
|
1891 |
|
1892 |
if (s->aflag) {
|
1893 |
|
1894 |
havesib = 0;
|
1895 |
base = rm; |
1896 |
index = 0;
|
1897 |
scale = 0;
|
1898 |
|
1899 |
if (base == 4) { |
1900 |
havesib = 1;
|
1901 |
code = ldub_code(s->pc++); |
1902 |
scale = (code >> 6) & 3; |
1903 |
index = ((code >> 3) & 7) | REX_X(s); |
1904 |
base = (code & 7);
|
1905 |
} |
1906 |
base |= REX_B(s); |
1907 |
|
1908 |
switch (mod) {
|
1909 |
case 0: |
1910 |
if ((base & 7) == 5) { |
1911 |
base = -1;
|
1912 |
disp = (int32_t)ldl_code(s->pc); |
1913 |
s->pc += 4;
|
1914 |
if (CODE64(s) && !havesib) {
|
1915 |
disp += s->pc + s->rip_offset; |
1916 |
} |
1917 |
} else {
|
1918 |
disp = 0;
|
1919 |
} |
1920 |
break;
|
1921 |
case 1: |
1922 |
disp = (int8_t)ldub_code(s->pc++); |
1923 |
break;
|
1924 |
default:
|
1925 |
case 2: |
1926 |
disp = ldl_code(s->pc); |
1927 |
s->pc += 4;
|
1928 |
break;
|
1929 |
} |
1930 |
|
1931 |
if (base >= 0) { |
1932 |
/* for correct popl handling with esp */
|
1933 |
if (base == 4 && s->popl_esp_hack) |
1934 |
disp += s->popl_esp_hack; |
1935 |
#ifdef TARGET_X86_64
|
1936 |
if (s->aflag == 2) { |
1937 |
gen_op_movq_A0_reg(base); |
1938 |
if (disp != 0) { |
1939 |
gen_op_addq_A0_im(disp); |
1940 |
} |
1941 |
} else
|
1942 |
#endif
|
1943 |
{ |
1944 |
gen_op_movl_A0_reg(base); |
1945 |
if (disp != 0) |
1946 |
gen_op_addl_A0_im(disp); |
1947 |
} |
1948 |
} else {
|
1949 |
#ifdef TARGET_X86_64
|
1950 |
if (s->aflag == 2) { |
1951 |
gen_op_movq_A0_im(disp); |
1952 |
} else
|
1953 |
#endif
|
1954 |
{ |
1955 |
gen_op_movl_A0_im(disp); |
1956 |
} |
1957 |
} |
1958 |
/* XXX: index == 4 is always invalid */
|
1959 |
if (havesib && (index != 4 || scale != 0)) { |
1960 |
#ifdef TARGET_X86_64
|
1961 |
if (s->aflag == 2) { |
1962 |
gen_op_addq_A0_reg_sN(scale, index); |
1963 |
} else
|
1964 |
#endif
|
1965 |
{ |
1966 |
gen_op_addl_A0_reg_sN(scale, index); |
1967 |
} |
1968 |
} |
1969 |
if (must_add_seg) {
|
1970 |
if (override < 0) { |
1971 |
if (base == R_EBP || base == R_ESP)
|
1972 |
override = R_SS; |
1973 |
else
|
1974 |
override = R_DS; |
1975 |
} |
1976 |
#ifdef TARGET_X86_64
|
1977 |
if (s->aflag == 2) { |
1978 |
gen_op_addq_A0_seg(override); |
1979 |
} else
|
1980 |
#endif
|
1981 |
{ |
1982 |
gen_op_addl_A0_seg(override); |
1983 |
} |
1984 |
} |
1985 |
} else {
|
1986 |
switch (mod) {
|
1987 |
case 0: |
1988 |
if (rm == 6) { |
1989 |
disp = lduw_code(s->pc); |
1990 |
s->pc += 2;
|
1991 |
gen_op_movl_A0_im(disp); |
1992 |
rm = 0; /* avoid SS override */ |
1993 |
goto no_rm;
|
1994 |
} else {
|
1995 |
disp = 0;
|
1996 |
} |
1997 |
break;
|
1998 |
case 1: |
1999 |
disp = (int8_t)ldub_code(s->pc++); |
2000 |
break;
|
2001 |
default:
|
2002 |
case 2: |
2003 |
disp = lduw_code(s->pc); |
2004 |
s->pc += 2;
|
2005 |
break;
|
2006 |
} |
2007 |
switch(rm) {
|
2008 |
case 0: |
2009 |
gen_op_movl_A0_reg(R_EBX); |
2010 |
gen_op_addl_A0_reg_sN(0, R_ESI);
|
2011 |
break;
|
2012 |
case 1: |
2013 |
gen_op_movl_A0_reg(R_EBX); |
2014 |
gen_op_addl_A0_reg_sN(0, R_EDI);
|
2015 |
break;
|
2016 |
case 2: |
2017 |
gen_op_movl_A0_reg(R_EBP); |
2018 |
gen_op_addl_A0_reg_sN(0, R_ESI);
|
2019 |
break;
|
2020 |
case 3: |
2021 |
gen_op_movl_A0_reg(R_EBP); |
2022 |
gen_op_addl_A0_reg_sN(0, R_EDI);
|
2023 |
break;
|
2024 |
case 4: |
2025 |
gen_op_movl_A0_reg(R_ESI); |
2026 |
break;
|
2027 |
case 5: |
2028 |
gen_op_movl_A0_reg(R_EDI); |
2029 |
break;
|
2030 |
case 6: |
2031 |
gen_op_movl_A0_reg(R_EBP); |
2032 |
break;
|
2033 |
default:
|
2034 |
case 7: |
2035 |
gen_op_movl_A0_reg(R_EBX); |
2036 |
break;
|
2037 |
} |
2038 |
if (disp != 0) |
2039 |
gen_op_addl_A0_im(disp); |
2040 |
gen_op_andl_A0_ffff(); |
2041 |
no_rm:
|
2042 |
if (must_add_seg) {
|
2043 |
if (override < 0) { |
2044 |
if (rm == 2 || rm == 3 || rm == 6) |
2045 |
override = R_SS; |
2046 |
else
|
2047 |
override = R_DS; |
2048 |
} |
2049 |
gen_op_addl_A0_seg(override); |
2050 |
} |
2051 |
} |
2052 |
|
2053 |
opreg = OR_A0; |
2054 |
disp = 0;
|
2055 |
*reg_ptr = opreg; |
2056 |
*offset_ptr = disp; |
2057 |
} |
2058 |
|
2059 |
static void gen_nop_modrm(DisasContext *s, int modrm) |
2060 |
{ |
2061 |
int mod, rm, base, code;
|
2062 |
|
2063 |
mod = (modrm >> 6) & 3; |
2064 |
if (mod == 3) |
2065 |
return;
|
2066 |
rm = modrm & 7;
|
2067 |
|
2068 |
if (s->aflag) {
|
2069 |
|
2070 |
base = rm; |
2071 |
|
2072 |
if (base == 4) { |
2073 |
code = ldub_code(s->pc++); |
2074 |
base = (code & 7);
|
2075 |
} |
2076 |
|
2077 |
switch (mod) {
|
2078 |
case 0: |
2079 |
if (base == 5) { |
2080 |
s->pc += 4;
|
2081 |
} |
2082 |
break;
|
2083 |
case 1: |
2084 |
s->pc++; |
2085 |
break;
|
2086 |
default:
|
2087 |
case 2: |
2088 |
s->pc += 4;
|
2089 |
break;
|
2090 |
} |
2091 |
} else {
|
2092 |
switch (mod) {
|
2093 |
case 0: |
2094 |
if (rm == 6) { |
2095 |
s->pc += 2;
|
2096 |
} |
2097 |
break;
|
2098 |
case 1: |
2099 |
s->pc++; |
2100 |
break;
|
2101 |
default:
|
2102 |
case 2: |
2103 |
s->pc += 2;
|
2104 |
break;
|
2105 |
} |
2106 |
} |
2107 |
} |
2108 |
|
2109 |
/* used for LEA and MOV AX, mem */
|
2110 |
static void gen_add_A0_ds_seg(DisasContext *s) |
2111 |
{ |
2112 |
int override, must_add_seg;
|
2113 |
must_add_seg = s->addseg; |
2114 |
override = R_DS; |
2115 |
if (s->override >= 0) { |
2116 |
override = s->override; |
2117 |
must_add_seg = 1;
|
2118 |
} else {
|
2119 |
override = R_DS; |
2120 |
} |
2121 |
if (must_add_seg) {
|
2122 |
#ifdef TARGET_X86_64
|
2123 |
if (CODE64(s)) {
|
2124 |
gen_op_addq_A0_seg(override); |
2125 |
} else
|
2126 |
#endif
|
2127 |
{ |
2128 |
gen_op_addl_A0_seg(override); |
2129 |
} |
2130 |
} |
2131 |
} |
2132 |
|
2133 |
/* generate modrm memory load or store of 'reg'. TMP0 is used if reg !=
|
2134 |
OR_TMP0 */
|
2135 |
static void gen_ldst_modrm(DisasContext *s, int modrm, int ot, int reg, int is_store) |
2136 |
{ |
2137 |
int mod, rm, opreg, disp;
|
2138 |
|
2139 |
mod = (modrm >> 6) & 3; |
2140 |
rm = (modrm & 7) | REX_B(s);
|
2141 |
if (mod == 3) { |
2142 |
if (is_store) {
|
2143 |
if (reg != OR_TMP0)
|
2144 |
gen_op_mov_TN_reg(ot, 0, reg);
|
2145 |
gen_op_mov_reg_T0(ot, rm); |
2146 |
} else {
|
2147 |
gen_op_mov_TN_reg(ot, 0, rm);
|
2148 |
if (reg != OR_TMP0)
|
2149 |
gen_op_mov_reg_T0(ot, reg); |
2150 |
} |
2151 |
} else {
|
2152 |
gen_lea_modrm(s, modrm, &opreg, &disp); |
2153 |
if (is_store) {
|
2154 |
if (reg != OR_TMP0)
|
2155 |
gen_op_mov_TN_reg(ot, 0, reg);
|
2156 |
gen_op_st_T0_A0(ot + s->mem_index); |
2157 |
} else {
|
2158 |
gen_op_ld_T0_A0(ot + s->mem_index); |
2159 |
if (reg != OR_TMP0)
|
2160 |
gen_op_mov_reg_T0(ot, reg); |
2161 |
} |
2162 |
} |
2163 |
} |
2164 |
|
2165 |
static inline uint32_t insn_get(DisasContext *s, int ot) |
2166 |
{ |
2167 |
uint32_t ret; |
2168 |
|
2169 |
switch(ot) {
|
2170 |
case OT_BYTE:
|
2171 |
ret = ldub_code(s->pc); |
2172 |
s->pc++; |
2173 |
break;
|
2174 |
case OT_WORD:
|
2175 |
ret = lduw_code(s->pc); |
2176 |
s->pc += 2;
|
2177 |
break;
|
2178 |
default:
|
2179 |
case OT_LONG:
|
2180 |
ret = ldl_code(s->pc); |
2181 |
s->pc += 4;
|
2182 |
break;
|
2183 |
} |
2184 |
return ret;
|
2185 |
} |
2186 |
|
2187 |
static inline int insn_const_size(unsigned int ot) |
2188 |
{ |
2189 |
if (ot <= OT_LONG)
|
2190 |
return 1 << ot; |
2191 |
else
|
2192 |
return 4; |
2193 |
} |
2194 |
|
2195 |
static inline void gen_goto_tb(DisasContext *s, int tb_num, target_ulong eip) |
2196 |
{ |
2197 |
TranslationBlock *tb; |
2198 |
target_ulong pc; |
2199 |
|
2200 |
pc = s->cs_base + eip; |
2201 |
tb = s->tb; |
2202 |
/* NOTE: we handle the case where the TB spans two pages here */
|
2203 |
if ((pc & TARGET_PAGE_MASK) == (tb->pc & TARGET_PAGE_MASK) ||
|
2204 |
(pc & TARGET_PAGE_MASK) == ((s->pc - 1) & TARGET_PAGE_MASK)) {
|
2205 |
/* jump to same page: we can use a direct jump */
|
2206 |
tcg_gen_goto_tb(tb_num); |
2207 |
gen_jmp_im(eip); |
2208 |
tcg_gen_exit_tb((long)tb + tb_num);
|
2209 |
} else {
|
2210 |
/* jump to another page: currently not optimized */
|
2211 |
gen_jmp_im(eip); |
2212 |
gen_eob(s); |
2213 |
} |
2214 |
} |
2215 |
|
2216 |
static inline void gen_jcc(DisasContext *s, int b, |
2217 |
target_ulong val, target_ulong next_eip) |
2218 |
{ |
2219 |
int l1, l2, cc_op;
|
2220 |
|
2221 |
cc_op = s->cc_op; |
2222 |
if (s->cc_op != CC_OP_DYNAMIC) {
|
2223 |
gen_op_set_cc_op(s->cc_op); |
2224 |
s->cc_op = CC_OP_DYNAMIC; |
2225 |
} |
2226 |
if (s->jmp_opt) {
|
2227 |
l1 = gen_new_label(); |
2228 |
gen_jcc1(s, cc_op, b, l1); |
2229 |
|
2230 |
gen_goto_tb(s, 0, next_eip);
|
2231 |
|
2232 |
gen_set_label(l1); |
2233 |
gen_goto_tb(s, 1, val);
|
2234 |
s->is_jmp = 3;
|
2235 |
} else {
|
2236 |
|
2237 |
l1 = gen_new_label(); |
2238 |
l2 = gen_new_label(); |
2239 |
gen_jcc1(s, cc_op, b, l1); |
2240 |
|
2241 |
gen_jmp_im(next_eip); |
2242 |
tcg_gen_br(l2); |
2243 |
|
2244 |
gen_set_label(l1); |
2245 |
gen_jmp_im(val); |
2246 |
gen_set_label(l2); |
2247 |
gen_eob(s); |
2248 |
} |
2249 |
} |
2250 |
|
2251 |
static void gen_setcc(DisasContext *s, int b) |
2252 |
{ |
2253 |
int inv, jcc_op, l1;
|
2254 |
TCGv t0; |
2255 |
|
2256 |
if (is_fast_jcc_case(s, b)) {
|
2257 |
/* nominal case: we use a jump */
|
2258 |
/* XXX: make it faster by adding new instructions in TCG */
|
2259 |
t0 = tcg_temp_local_new(TCG_TYPE_TL); |
2260 |
tcg_gen_movi_tl(t0, 0);
|
2261 |
l1 = gen_new_label(); |
2262 |
gen_jcc1(s, s->cc_op, b ^ 1, l1);
|
2263 |
tcg_gen_movi_tl(t0, 1);
|
2264 |
gen_set_label(l1); |
2265 |
tcg_gen_mov_tl(cpu_T[0], t0);
|
2266 |
tcg_temp_free(t0); |
2267 |
} else {
|
2268 |
/* slow case: it is more efficient not to generate a jump,
|
2269 |
although it is questionnable whether this optimization is
|
2270 |
worth to */
|
2271 |
inv = b & 1;
|
2272 |
jcc_op = (b >> 1) & 7; |
2273 |
gen_setcc_slow_T0(s, jcc_op); |
2274 |
if (inv) {
|
2275 |
tcg_gen_xori_tl(cpu_T[0], cpu_T[0], 1); |
2276 |
} |
2277 |
} |
2278 |
} |
2279 |
|
2280 |
static inline void gen_op_movl_T0_seg(int seg_reg) |
2281 |
{ |
2282 |
tcg_gen_ld32u_tl(cpu_T[0], cpu_env,
|
2283 |
offsetof(CPUX86State,segs[seg_reg].selector)); |
2284 |
} |
2285 |
|
2286 |
static inline void gen_op_movl_seg_T0_vm(int seg_reg) |
2287 |
{ |
2288 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xffff); |
2289 |
tcg_gen_st32_tl(cpu_T[0], cpu_env,
|
2290 |
offsetof(CPUX86State,segs[seg_reg].selector)); |
2291 |
tcg_gen_shli_tl(cpu_T[0], cpu_T[0], 4); |
2292 |
tcg_gen_st_tl(cpu_T[0], cpu_env,
|
2293 |
offsetof(CPUX86State,segs[seg_reg].base)); |
2294 |
} |
2295 |
|
2296 |
/* move T0 to seg_reg and compute if the CPU state may change. Never
|
2297 |
call this function with seg_reg == R_CS */
|
2298 |
static void gen_movl_seg_T0(DisasContext *s, int seg_reg, target_ulong cur_eip) |
2299 |
{ |
2300 |
if (s->pe && !s->vm86) {
|
2301 |
/* XXX: optimize by finding processor state dynamically */
|
2302 |
if (s->cc_op != CC_OP_DYNAMIC)
|
2303 |
gen_op_set_cc_op(s->cc_op); |
2304 |
gen_jmp_im(cur_eip); |
2305 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
2306 |
tcg_gen_helper_0_2(helper_load_seg, tcg_const_i32(seg_reg), cpu_tmp2_i32); |
2307 |
/* abort translation because the addseg value may change or
|
2308 |
because ss32 may change. For R_SS, translation must always
|
2309 |
stop as a special handling must be done to disable hardware
|
2310 |
interrupts for the next instruction */
|
2311 |
if (seg_reg == R_SS || (s->code32 && seg_reg < R_FS))
|
2312 |
s->is_jmp = 3;
|
2313 |
} else {
|
2314 |
gen_op_movl_seg_T0_vm(seg_reg); |
2315 |
if (seg_reg == R_SS)
|
2316 |
s->is_jmp = 3;
|
2317 |
} |
2318 |
} |
2319 |
|
2320 |
static inline int svm_is_rep(int prefixes) |
2321 |
{ |
2322 |
return ((prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) ? 8 : 0); |
2323 |
} |
2324 |
|
2325 |
static inline void |
2326 |
gen_svm_check_intercept_param(DisasContext *s, target_ulong pc_start, |
2327 |
uint32_t type, uint64_t param) |
2328 |
{ |
2329 |
/* no SVM activated; fast case */
|
2330 |
if (likely(!(s->flags & HF_SVMI_MASK)))
|
2331 |
return;
|
2332 |
if (s->cc_op != CC_OP_DYNAMIC)
|
2333 |
gen_op_set_cc_op(s->cc_op); |
2334 |
gen_jmp_im(pc_start - s->cs_base); |
2335 |
tcg_gen_helper_0_2(helper_svm_check_intercept_param, |
2336 |
tcg_const_i32(type), tcg_const_i64(param)); |
2337 |
} |
2338 |
|
2339 |
static inline void |
2340 |
gen_svm_check_intercept(DisasContext *s, target_ulong pc_start, uint64_t type) |
2341 |
{ |
2342 |
gen_svm_check_intercept_param(s, pc_start, type, 0);
|
2343 |
} |
2344 |
|
2345 |
static inline void gen_stack_update(DisasContext *s, int addend) |
2346 |
{ |
2347 |
#ifdef TARGET_X86_64
|
2348 |
if (CODE64(s)) {
|
2349 |
gen_op_add_reg_im(2, R_ESP, addend);
|
2350 |
} else
|
2351 |
#endif
|
2352 |
if (s->ss32) {
|
2353 |
gen_op_add_reg_im(1, R_ESP, addend);
|
2354 |
} else {
|
2355 |
gen_op_add_reg_im(0, R_ESP, addend);
|
2356 |
} |
2357 |
} |
2358 |
|
2359 |
/* generate a push. It depends on ss32, addseg and dflag */
|
2360 |
static void gen_push_T0(DisasContext *s) |
2361 |
{ |
2362 |
#ifdef TARGET_X86_64
|
2363 |
if (CODE64(s)) {
|
2364 |
gen_op_movq_A0_reg(R_ESP); |
2365 |
if (s->dflag) {
|
2366 |
gen_op_addq_A0_im(-8);
|
2367 |
gen_op_st_T0_A0(OT_QUAD + s->mem_index); |
2368 |
} else {
|
2369 |
gen_op_addq_A0_im(-2);
|
2370 |
gen_op_st_T0_A0(OT_WORD + s->mem_index); |
2371 |
} |
2372 |
gen_op_mov_reg_A0(2, R_ESP);
|
2373 |
} else
|
2374 |
#endif
|
2375 |
{ |
2376 |
gen_op_movl_A0_reg(R_ESP); |
2377 |
if (!s->dflag)
|
2378 |
gen_op_addl_A0_im(-2);
|
2379 |
else
|
2380 |
gen_op_addl_A0_im(-4);
|
2381 |
if (s->ss32) {
|
2382 |
if (s->addseg) {
|
2383 |
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
|
2384 |
gen_op_addl_A0_seg(R_SS); |
2385 |
} |
2386 |
} else {
|
2387 |
gen_op_andl_A0_ffff(); |
2388 |
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
|
2389 |
gen_op_addl_A0_seg(R_SS); |
2390 |
} |
2391 |
gen_op_st_T0_A0(s->dflag + 1 + s->mem_index);
|
2392 |
if (s->ss32 && !s->addseg)
|
2393 |
gen_op_mov_reg_A0(1, R_ESP);
|
2394 |
else
|
2395 |
gen_op_mov_reg_T1(s->ss32 + 1, R_ESP);
|
2396 |
} |
2397 |
} |
2398 |
|
2399 |
/* generate a push. It depends on ss32, addseg and dflag */
|
2400 |
/* slower version for T1, only used for call Ev */
|
2401 |
static void gen_push_T1(DisasContext *s) |
2402 |
{ |
2403 |
#ifdef TARGET_X86_64
|
2404 |
if (CODE64(s)) {
|
2405 |
gen_op_movq_A0_reg(R_ESP); |
2406 |
if (s->dflag) {
|
2407 |
gen_op_addq_A0_im(-8);
|
2408 |
gen_op_st_T1_A0(OT_QUAD + s->mem_index); |
2409 |
} else {
|
2410 |
gen_op_addq_A0_im(-2);
|
2411 |
gen_op_st_T0_A0(OT_WORD + s->mem_index); |
2412 |
} |
2413 |
gen_op_mov_reg_A0(2, R_ESP);
|
2414 |
} else
|
2415 |
#endif
|
2416 |
{ |
2417 |
gen_op_movl_A0_reg(R_ESP); |
2418 |
if (!s->dflag)
|
2419 |
gen_op_addl_A0_im(-2);
|
2420 |
else
|
2421 |
gen_op_addl_A0_im(-4);
|
2422 |
if (s->ss32) {
|
2423 |
if (s->addseg) {
|
2424 |
gen_op_addl_A0_seg(R_SS); |
2425 |
} |
2426 |
} else {
|
2427 |
gen_op_andl_A0_ffff(); |
2428 |
gen_op_addl_A0_seg(R_SS); |
2429 |
} |
2430 |
gen_op_st_T1_A0(s->dflag + 1 + s->mem_index);
|
2431 |
|
2432 |
if (s->ss32 && !s->addseg)
|
2433 |
gen_op_mov_reg_A0(1, R_ESP);
|
2434 |
else
|
2435 |
gen_stack_update(s, (-2) << s->dflag);
|
2436 |
} |
2437 |
} |
2438 |
|
2439 |
/* two step pop is necessary for precise exceptions */
|
2440 |
static void gen_pop_T0(DisasContext *s) |
2441 |
{ |
2442 |
#ifdef TARGET_X86_64
|
2443 |
if (CODE64(s)) {
|
2444 |
gen_op_movq_A0_reg(R_ESP); |
2445 |
gen_op_ld_T0_A0((s->dflag ? OT_QUAD : OT_WORD) + s->mem_index); |
2446 |
} else
|
2447 |
#endif
|
2448 |
{ |
2449 |
gen_op_movl_A0_reg(R_ESP); |
2450 |
if (s->ss32) {
|
2451 |
if (s->addseg)
|
2452 |
gen_op_addl_A0_seg(R_SS); |
2453 |
} else {
|
2454 |
gen_op_andl_A0_ffff(); |
2455 |
gen_op_addl_A0_seg(R_SS); |
2456 |
} |
2457 |
gen_op_ld_T0_A0(s->dflag + 1 + s->mem_index);
|
2458 |
} |
2459 |
} |
2460 |
|
2461 |
static void gen_pop_update(DisasContext *s) |
2462 |
{ |
2463 |
#ifdef TARGET_X86_64
|
2464 |
if (CODE64(s) && s->dflag) {
|
2465 |
gen_stack_update(s, 8);
|
2466 |
} else
|
2467 |
#endif
|
2468 |
{ |
2469 |
gen_stack_update(s, 2 << s->dflag);
|
2470 |
} |
2471 |
} |
2472 |
|
2473 |
static void gen_stack_A0(DisasContext *s) |
2474 |
{ |
2475 |
gen_op_movl_A0_reg(R_ESP); |
2476 |
if (!s->ss32)
|
2477 |
gen_op_andl_A0_ffff(); |
2478 |
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
|
2479 |
if (s->addseg)
|
2480 |
gen_op_addl_A0_seg(R_SS); |
2481 |
} |
2482 |
|
2483 |
/* NOTE: wrap around in 16 bit not fully handled */
|
2484 |
static void gen_pusha(DisasContext *s) |
2485 |
{ |
2486 |
int i;
|
2487 |
gen_op_movl_A0_reg(R_ESP); |
2488 |
gen_op_addl_A0_im(-16 << s->dflag);
|
2489 |
if (!s->ss32)
|
2490 |
gen_op_andl_A0_ffff(); |
2491 |
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
|
2492 |
if (s->addseg)
|
2493 |
gen_op_addl_A0_seg(R_SS); |
2494 |
for(i = 0;i < 8; i++) { |
2495 |
gen_op_mov_TN_reg(OT_LONG, 0, 7 - i); |
2496 |
gen_op_st_T0_A0(OT_WORD + s->dflag + s->mem_index); |
2497 |
gen_op_addl_A0_im(2 << s->dflag);
|
2498 |
} |
2499 |
gen_op_mov_reg_T1(OT_WORD + s->ss32, R_ESP); |
2500 |
} |
2501 |
|
2502 |
/* NOTE: wrap around in 16 bit not fully handled */
|
2503 |
static void gen_popa(DisasContext *s) |
2504 |
{ |
2505 |
int i;
|
2506 |
gen_op_movl_A0_reg(R_ESP); |
2507 |
if (!s->ss32)
|
2508 |
gen_op_andl_A0_ffff(); |
2509 |
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
|
2510 |
tcg_gen_addi_tl(cpu_T[1], cpu_T[1], 16 << s->dflag); |
2511 |
if (s->addseg)
|
2512 |
gen_op_addl_A0_seg(R_SS); |
2513 |
for(i = 0;i < 8; i++) { |
2514 |
/* ESP is not reloaded */
|
2515 |
if (i != 3) { |
2516 |
gen_op_ld_T0_A0(OT_WORD + s->dflag + s->mem_index); |
2517 |
gen_op_mov_reg_T0(OT_WORD + s->dflag, 7 - i);
|
2518 |
} |
2519 |
gen_op_addl_A0_im(2 << s->dflag);
|
2520 |
} |
2521 |
gen_op_mov_reg_T1(OT_WORD + s->ss32, R_ESP); |
2522 |
} |
2523 |
|
2524 |
static void gen_enter(DisasContext *s, int esp_addend, int level) |
2525 |
{ |
2526 |
int ot, opsize;
|
2527 |
|
2528 |
level &= 0x1f;
|
2529 |
#ifdef TARGET_X86_64
|
2530 |
if (CODE64(s)) {
|
2531 |
ot = s->dflag ? OT_QUAD : OT_WORD; |
2532 |
opsize = 1 << ot;
|
2533 |
|
2534 |
gen_op_movl_A0_reg(R_ESP); |
2535 |
gen_op_addq_A0_im(-opsize); |
2536 |
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
|
2537 |
|
2538 |
/* push bp */
|
2539 |
gen_op_mov_TN_reg(OT_LONG, 0, R_EBP);
|
2540 |
gen_op_st_T0_A0(ot + s->mem_index); |
2541 |
if (level) {
|
2542 |
/* XXX: must save state */
|
2543 |
tcg_gen_helper_0_3(helper_enter64_level, |
2544 |
tcg_const_i32(level), |
2545 |
tcg_const_i32((ot == OT_QUAD)), |
2546 |
cpu_T[1]);
|
2547 |
} |
2548 |
gen_op_mov_reg_T1(ot, R_EBP); |
2549 |
tcg_gen_addi_tl(cpu_T[1], cpu_T[1], -esp_addend + (-opsize * level)); |
2550 |
gen_op_mov_reg_T1(OT_QUAD, R_ESP); |
2551 |
} else
|
2552 |
#endif
|
2553 |
{ |
2554 |
ot = s->dflag + OT_WORD; |
2555 |
opsize = 2 << s->dflag;
|
2556 |
|
2557 |
gen_op_movl_A0_reg(R_ESP); |
2558 |
gen_op_addl_A0_im(-opsize); |
2559 |
if (!s->ss32)
|
2560 |
gen_op_andl_A0_ffff(); |
2561 |
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
|
2562 |
if (s->addseg)
|
2563 |
gen_op_addl_A0_seg(R_SS); |
2564 |
/* push bp */
|
2565 |
gen_op_mov_TN_reg(OT_LONG, 0, R_EBP);
|
2566 |
gen_op_st_T0_A0(ot + s->mem_index); |
2567 |
if (level) {
|
2568 |
/* XXX: must save state */
|
2569 |
tcg_gen_helper_0_3(helper_enter_level, |
2570 |
tcg_const_i32(level), |
2571 |
tcg_const_i32(s->dflag), |
2572 |
cpu_T[1]);
|
2573 |
} |
2574 |
gen_op_mov_reg_T1(ot, R_EBP); |
2575 |
tcg_gen_addi_tl(cpu_T[1], cpu_T[1], -esp_addend + (-opsize * level)); |
2576 |
gen_op_mov_reg_T1(OT_WORD + s->ss32, R_ESP); |
2577 |
} |
2578 |
} |
2579 |
|
2580 |
static void gen_exception(DisasContext *s, int trapno, target_ulong cur_eip) |
2581 |
{ |
2582 |
if (s->cc_op != CC_OP_DYNAMIC)
|
2583 |
gen_op_set_cc_op(s->cc_op); |
2584 |
gen_jmp_im(cur_eip); |
2585 |
tcg_gen_helper_0_1(helper_raise_exception, tcg_const_i32(trapno)); |
2586 |
s->is_jmp = 3;
|
2587 |
} |
2588 |
|
2589 |
/* an interrupt is different from an exception because of the
|
2590 |
privilege checks */
|
2591 |
static void gen_interrupt(DisasContext *s, int intno, |
2592 |
target_ulong cur_eip, target_ulong next_eip) |
2593 |
{ |
2594 |
if (s->cc_op != CC_OP_DYNAMIC)
|
2595 |
gen_op_set_cc_op(s->cc_op); |
2596 |
gen_jmp_im(cur_eip); |
2597 |
tcg_gen_helper_0_2(helper_raise_interrupt, |
2598 |
tcg_const_i32(intno), |
2599 |
tcg_const_i32(next_eip - cur_eip)); |
2600 |
s->is_jmp = 3;
|
2601 |
} |
2602 |
|
2603 |
static void gen_debug(DisasContext *s, target_ulong cur_eip) |
2604 |
{ |
2605 |
if (s->cc_op != CC_OP_DYNAMIC)
|
2606 |
gen_op_set_cc_op(s->cc_op); |
2607 |
gen_jmp_im(cur_eip); |
2608 |
tcg_gen_helper_0_0(helper_debug); |
2609 |
s->is_jmp = 3;
|
2610 |
} |
2611 |
|
2612 |
/* generate a generic end of block. Trace exception is also generated
|
2613 |
if needed */
|
2614 |
static void gen_eob(DisasContext *s) |
2615 |
{ |
2616 |
if (s->cc_op != CC_OP_DYNAMIC)
|
2617 |
gen_op_set_cc_op(s->cc_op); |
2618 |
if (s->tb->flags & HF_INHIBIT_IRQ_MASK) {
|
2619 |
tcg_gen_helper_0_0(helper_reset_inhibit_irq); |
2620 |
} |
2621 |
if (s->singlestep_enabled) {
|
2622 |
tcg_gen_helper_0_0(helper_debug); |
2623 |
} else if (s->tf) { |
2624 |
tcg_gen_helper_0_0(helper_single_step); |
2625 |
} else {
|
2626 |
tcg_gen_exit_tb(0);
|
2627 |
} |
2628 |
s->is_jmp = 3;
|
2629 |
} |
2630 |
|
2631 |
/* generate a jump to eip. No segment change must happen before as a
|
2632 |
direct call to the next block may occur */
|
2633 |
static void gen_jmp_tb(DisasContext *s, target_ulong eip, int tb_num) |
2634 |
{ |
2635 |
if (s->jmp_opt) {
|
2636 |
if (s->cc_op != CC_OP_DYNAMIC) {
|
2637 |
gen_op_set_cc_op(s->cc_op); |
2638 |
s->cc_op = CC_OP_DYNAMIC; |
2639 |
} |
2640 |
gen_goto_tb(s, tb_num, eip); |
2641 |
s->is_jmp = 3;
|
2642 |
} else {
|
2643 |
gen_jmp_im(eip); |
2644 |
gen_eob(s); |
2645 |
} |
2646 |
} |
2647 |
|
2648 |
static void gen_jmp(DisasContext *s, target_ulong eip) |
2649 |
{ |
2650 |
gen_jmp_tb(s, eip, 0);
|
2651 |
} |
2652 |
|
2653 |
static inline void gen_ldq_env_A0(int idx, int offset) |
2654 |
{ |
2655 |
int mem_index = (idx >> 2) - 1; |
2656 |
tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0, mem_index); |
2657 |
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, offset); |
2658 |
} |
2659 |
|
2660 |
static inline void gen_stq_env_A0(int idx, int offset) |
2661 |
{ |
2662 |
int mem_index = (idx >> 2) - 1; |
2663 |
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, offset); |
2664 |
tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0, mem_index); |
2665 |
} |
2666 |
|
2667 |
static inline void gen_ldo_env_A0(int idx, int offset) |
2668 |
{ |
2669 |
int mem_index = (idx >> 2) - 1; |
2670 |
tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0, mem_index); |
2671 |
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(XMMReg, XMM_Q(0)));
|
2672 |
tcg_gen_addi_tl(cpu_tmp0, cpu_A0, 8);
|
2673 |
tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_tmp0, mem_index); |
2674 |
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(XMMReg, XMM_Q(1)));
|
2675 |
} |
2676 |
|
2677 |
static inline void gen_sto_env_A0(int idx, int offset) |
2678 |
{ |
2679 |
int mem_index = (idx >> 2) - 1; |
2680 |
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(XMMReg, XMM_Q(0)));
|
2681 |
tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0, mem_index); |
2682 |
tcg_gen_addi_tl(cpu_tmp0, cpu_A0, 8);
|
2683 |
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(XMMReg, XMM_Q(1)));
|
2684 |
tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_tmp0, mem_index); |
2685 |
} |
2686 |
|
2687 |
static inline void gen_op_movo(int d_offset, int s_offset) |
2688 |
{ |
2689 |
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, s_offset); |
2690 |
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset); |
2691 |
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, s_offset + 8);
|
2692 |
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset + 8);
|
2693 |
} |
2694 |
|
2695 |
static inline void gen_op_movq(int d_offset, int s_offset) |
2696 |
{ |
2697 |
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, s_offset); |
2698 |
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset); |
2699 |
} |
2700 |
|
2701 |
static inline void gen_op_movl(int d_offset, int s_offset) |
2702 |
{ |
2703 |
tcg_gen_ld_i32(cpu_tmp2_i32, cpu_env, s_offset); |
2704 |
tcg_gen_st_i32(cpu_tmp2_i32, cpu_env, d_offset); |
2705 |
} |
2706 |
|
2707 |
static inline void gen_op_movq_env_0(int d_offset) |
2708 |
{ |
2709 |
tcg_gen_movi_i64(cpu_tmp1_i64, 0);
|
2710 |
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset); |
2711 |
} |
2712 |
|
2713 |
#define SSE_SPECIAL ((void *)1) |
2714 |
#define SSE_DUMMY ((void *)2) |
2715 |
|
2716 |
#define MMX_OP2(x) { helper_ ## x ## _mmx, helper_ ## x ## _xmm } |
2717 |
#define SSE_FOP(x) { helper_ ## x ## ps, helper_ ## x ## pd, \ |
2718 |
helper_ ## x ## ss, helper_ ## x ## sd, } |
2719 |
|
2720 |
static void *sse_op_table1[256][4] = { |
2721 |
/* 3DNow! extensions */
|
2722 |
[0x0e] = { SSE_DUMMY }, /* femms */ |
2723 |
[0x0f] = { SSE_DUMMY }, /* pf... */ |
2724 |
/* pure SSE operations */
|
2725 |
[0x10] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movups, movupd, movss, movsd */ |
2726 |
[0x11] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movups, movupd, movss, movsd */ |
2727 |
[0x12] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movlps, movlpd, movsldup, movddup */ |
2728 |
[0x13] = { SSE_SPECIAL, SSE_SPECIAL }, /* movlps, movlpd */ |
2729 |
[0x14] = { helper_punpckldq_xmm, helper_punpcklqdq_xmm },
|
2730 |
[0x15] = { helper_punpckhdq_xmm, helper_punpckhqdq_xmm },
|
2731 |
[0x16] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movhps, movhpd, movshdup */ |
2732 |
[0x17] = { SSE_SPECIAL, SSE_SPECIAL }, /* movhps, movhpd */ |
2733 |
|
2734 |
[0x28] = { SSE_SPECIAL, SSE_SPECIAL }, /* movaps, movapd */ |
2735 |
[0x29] = { SSE_SPECIAL, SSE_SPECIAL }, /* movaps, movapd */ |
2736 |
[0x2a] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvtpi2ps, cvtpi2pd, cvtsi2ss, cvtsi2sd */ |
2737 |
[0x2b] = { SSE_SPECIAL, SSE_SPECIAL }, /* movntps, movntpd */ |
2738 |
[0x2c] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvttps2pi, cvttpd2pi, cvttsd2si, cvttss2si */ |
2739 |
[0x2d] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvtps2pi, cvtpd2pi, cvtsd2si, cvtss2si */ |
2740 |
[0x2e] = { helper_ucomiss, helper_ucomisd },
|
2741 |
[0x2f] = { helper_comiss, helper_comisd },
|
2742 |
[0x50] = { SSE_SPECIAL, SSE_SPECIAL }, /* movmskps, movmskpd */ |
2743 |
[0x51] = SSE_FOP(sqrt),
|
2744 |
[0x52] = { helper_rsqrtps, NULL, helper_rsqrtss, NULL }, |
2745 |
[0x53] = { helper_rcpps, NULL, helper_rcpss, NULL }, |
2746 |
[0x54] = { helper_pand_xmm, helper_pand_xmm }, /* andps, andpd */ |
2747 |
[0x55] = { helper_pandn_xmm, helper_pandn_xmm }, /* andnps, andnpd */ |
2748 |
[0x56] = { helper_por_xmm, helper_por_xmm }, /* orps, orpd */ |
2749 |
[0x57] = { helper_pxor_xmm, helper_pxor_xmm }, /* xorps, xorpd */ |
2750 |
[0x58] = SSE_FOP(add),
|
2751 |
[0x59] = SSE_FOP(mul),
|
2752 |
[0x5a] = { helper_cvtps2pd, helper_cvtpd2ps,
|
2753 |
helper_cvtss2sd, helper_cvtsd2ss }, |
2754 |
[0x5b] = { helper_cvtdq2ps, helper_cvtps2dq, helper_cvttps2dq },
|
2755 |
[0x5c] = SSE_FOP(sub),
|
2756 |
[0x5d] = SSE_FOP(min),
|
2757 |
[0x5e] = SSE_FOP(div),
|
2758 |
[0x5f] = SSE_FOP(max),
|
2759 |
|
2760 |
[0xc2] = SSE_FOP(cmpeq),
|
2761 |
[0xc6] = { helper_shufps, helper_shufpd },
|
2762 |
|
2763 |
/* MMX ops and their SSE extensions */
|
2764 |
[0x60] = MMX_OP2(punpcklbw),
|
2765 |
[0x61] = MMX_OP2(punpcklwd),
|
2766 |
[0x62] = MMX_OP2(punpckldq),
|
2767 |
[0x63] = MMX_OP2(packsswb),
|
2768 |
[0x64] = MMX_OP2(pcmpgtb),
|
2769 |
[0x65] = MMX_OP2(pcmpgtw),
|
2770 |
[0x66] = MMX_OP2(pcmpgtl),
|
2771 |
[0x67] = MMX_OP2(packuswb),
|
2772 |
[0x68] = MMX_OP2(punpckhbw),
|
2773 |
[0x69] = MMX_OP2(punpckhwd),
|
2774 |
[0x6a] = MMX_OP2(punpckhdq),
|
2775 |
[0x6b] = MMX_OP2(packssdw),
|
2776 |
[0x6c] = { NULL, helper_punpcklqdq_xmm }, |
2777 |
[0x6d] = { NULL, helper_punpckhqdq_xmm }, |
2778 |
[0x6e] = { SSE_SPECIAL, SSE_SPECIAL }, /* movd mm, ea */ |
2779 |
[0x6f] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movq, movdqa, , movqdu */ |
2780 |
[0x70] = { helper_pshufw_mmx,
|
2781 |
helper_pshufd_xmm, |
2782 |
helper_pshufhw_xmm, |
2783 |
helper_pshuflw_xmm }, |
2784 |
[0x71] = { SSE_SPECIAL, SSE_SPECIAL }, /* shiftw */ |
2785 |
[0x72] = { SSE_SPECIAL, SSE_SPECIAL }, /* shiftd */ |
2786 |
[0x73] = { SSE_SPECIAL, SSE_SPECIAL }, /* shiftq */ |
2787 |
[0x74] = MMX_OP2(pcmpeqb),
|
2788 |
[0x75] = MMX_OP2(pcmpeqw),
|
2789 |
[0x76] = MMX_OP2(pcmpeql),
|
2790 |
[0x77] = { SSE_DUMMY }, /* emms */ |
2791 |
[0x7c] = { NULL, helper_haddpd, NULL, helper_haddps }, |
2792 |
[0x7d] = { NULL, helper_hsubpd, NULL, helper_hsubps }, |
2793 |
[0x7e] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movd, movd, , movq */ |
2794 |
[0x7f] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movq, movdqa, movdqu */ |
2795 |
[0xc4] = { SSE_SPECIAL, SSE_SPECIAL }, /* pinsrw */ |
2796 |
[0xc5] = { SSE_SPECIAL, SSE_SPECIAL }, /* pextrw */ |
2797 |
[0xd0] = { NULL, helper_addsubpd, NULL, helper_addsubps }, |
2798 |
[0xd1] = MMX_OP2(psrlw),
|
2799 |
[0xd2] = MMX_OP2(psrld),
|
2800 |
[0xd3] = MMX_OP2(psrlq),
|
2801 |
[0xd4] = MMX_OP2(paddq),
|
2802 |
[0xd5] = MMX_OP2(pmullw),
|
2803 |
[0xd6] = { NULL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, |
2804 |
[0xd7] = { SSE_SPECIAL, SSE_SPECIAL }, /* pmovmskb */ |
2805 |
[0xd8] = MMX_OP2(psubusb),
|
2806 |
[0xd9] = MMX_OP2(psubusw),
|
2807 |
[0xda] = MMX_OP2(pminub),
|
2808 |
[0xdb] = MMX_OP2(pand),
|
2809 |
[0xdc] = MMX_OP2(paddusb),
|
2810 |
[0xdd] = MMX_OP2(paddusw),
|
2811 |
[0xde] = MMX_OP2(pmaxub),
|
2812 |
[0xdf] = MMX_OP2(pandn),
|
2813 |
[0xe0] = MMX_OP2(pavgb),
|
2814 |
[0xe1] = MMX_OP2(psraw),
|
2815 |
[0xe2] = MMX_OP2(psrad),
|
2816 |
[0xe3] = MMX_OP2(pavgw),
|
2817 |
[0xe4] = MMX_OP2(pmulhuw),
|
2818 |
[0xe5] = MMX_OP2(pmulhw),
|
2819 |
[0xe6] = { NULL, helper_cvttpd2dq, helper_cvtdq2pd, helper_cvtpd2dq }, |
2820 |
[0xe7] = { SSE_SPECIAL , SSE_SPECIAL }, /* movntq, movntq */ |
2821 |
[0xe8] = MMX_OP2(psubsb),
|
2822 |
[0xe9] = MMX_OP2(psubsw),
|
2823 |
[0xea] = MMX_OP2(pminsw),
|
2824 |
[0xeb] = MMX_OP2(por),
|
2825 |
[0xec] = MMX_OP2(paddsb),
|
2826 |
[0xed] = MMX_OP2(paddsw),
|
2827 |
[0xee] = MMX_OP2(pmaxsw),
|
2828 |
[0xef] = MMX_OP2(pxor),
|
2829 |
[0xf0] = { NULL, NULL, NULL, SSE_SPECIAL }, /* lddqu */ |
2830 |
[0xf1] = MMX_OP2(psllw),
|
2831 |
[0xf2] = MMX_OP2(pslld),
|
2832 |
[0xf3] = MMX_OP2(psllq),
|
2833 |
[0xf4] = MMX_OP2(pmuludq),
|
2834 |
[0xf5] = MMX_OP2(pmaddwd),
|
2835 |
[0xf6] = MMX_OP2(psadbw),
|
2836 |
[0xf7] = MMX_OP2(maskmov),
|
2837 |
[0xf8] = MMX_OP2(psubb),
|
2838 |
[0xf9] = MMX_OP2(psubw),
|
2839 |
[0xfa] = MMX_OP2(psubl),
|
2840 |
[0xfb] = MMX_OP2(psubq),
|
2841 |
[0xfc] = MMX_OP2(paddb),
|
2842 |
[0xfd] = MMX_OP2(paddw),
|
2843 |
[0xfe] = MMX_OP2(paddl),
|
2844 |
}; |
2845 |
|
2846 |
static void *sse_op_table2[3 * 8][2] = { |
2847 |
[0 + 2] = MMX_OP2(psrlw), |
2848 |
[0 + 4] = MMX_OP2(psraw), |
2849 |
[0 + 6] = MMX_OP2(psllw), |
2850 |
[8 + 2] = MMX_OP2(psrld), |
2851 |
[8 + 4] = MMX_OP2(psrad), |
2852 |
[8 + 6] = MMX_OP2(pslld), |
2853 |
[16 + 2] = MMX_OP2(psrlq), |
2854 |
[16 + 3] = { NULL, helper_psrldq_xmm }, |
2855 |
[16 + 6] = MMX_OP2(psllq), |
2856 |
[16 + 7] = { NULL, helper_pslldq_xmm }, |
2857 |
}; |
2858 |
|
2859 |
static void *sse_op_table3[4 * 3] = { |
2860 |
helper_cvtsi2ss, |
2861 |
helper_cvtsi2sd, |
2862 |
X86_64_ONLY(helper_cvtsq2ss), |
2863 |
X86_64_ONLY(helper_cvtsq2sd), |
2864 |
|
2865 |
helper_cvttss2si, |
2866 |
helper_cvttsd2si, |
2867 |
X86_64_ONLY(helper_cvttss2sq), |
2868 |
X86_64_ONLY(helper_cvttsd2sq), |
2869 |
|
2870 |
helper_cvtss2si, |
2871 |
helper_cvtsd2si, |
2872 |
X86_64_ONLY(helper_cvtss2sq), |
2873 |
X86_64_ONLY(helper_cvtsd2sq), |
2874 |
}; |
2875 |
|
2876 |
static void *sse_op_table4[8][4] = { |
2877 |
SSE_FOP(cmpeq), |
2878 |
SSE_FOP(cmplt), |
2879 |
SSE_FOP(cmple), |
2880 |
SSE_FOP(cmpunord), |
2881 |
SSE_FOP(cmpneq), |
2882 |
SSE_FOP(cmpnlt), |
2883 |
SSE_FOP(cmpnle), |
2884 |
SSE_FOP(cmpord), |
2885 |
}; |
2886 |
|
2887 |
static void *sse_op_table5[256] = { |
2888 |
[0x0c] = helper_pi2fw,
|
2889 |
[0x0d] = helper_pi2fd,
|
2890 |
[0x1c] = helper_pf2iw,
|
2891 |
[0x1d] = helper_pf2id,
|
2892 |
[0x8a] = helper_pfnacc,
|
2893 |
[0x8e] = helper_pfpnacc,
|
2894 |
[0x90] = helper_pfcmpge,
|
2895 |
[0x94] = helper_pfmin,
|
2896 |
[0x96] = helper_pfrcp,
|
2897 |
[0x97] = helper_pfrsqrt,
|
2898 |
[0x9a] = helper_pfsub,
|
2899 |
[0x9e] = helper_pfadd,
|
2900 |
[0xa0] = helper_pfcmpgt,
|
2901 |
[0xa4] = helper_pfmax,
|
2902 |
[0xa6] = helper_movq, /* pfrcpit1; no need to actually increase precision */ |
2903 |
[0xa7] = helper_movq, /* pfrsqit1 */ |
2904 |
[0xaa] = helper_pfsubr,
|
2905 |
[0xae] = helper_pfacc,
|
2906 |
[0xb0] = helper_pfcmpeq,
|
2907 |
[0xb4] = helper_pfmul,
|
2908 |
[0xb6] = helper_movq, /* pfrcpit2 */ |
2909 |
[0xb7] = helper_pmulhrw_mmx,
|
2910 |
[0xbb] = helper_pswapd,
|
2911 |
[0xbf] = helper_pavgb_mmx /* pavgusb */ |
2912 |
}; |
2913 |
|
2914 |
static void gen_sse(DisasContext *s, int b, target_ulong pc_start, int rex_r) |
2915 |
{ |
2916 |
int b1, op1_offset, op2_offset, is_xmm, val, ot;
|
2917 |
int modrm, mod, rm, reg, reg_addr, offset_addr;
|
2918 |
void *sse_op2;
|
2919 |
|
2920 |
b &= 0xff;
|
2921 |
if (s->prefix & PREFIX_DATA)
|
2922 |
b1 = 1;
|
2923 |
else if (s->prefix & PREFIX_REPZ) |
2924 |
b1 = 2;
|
2925 |
else if (s->prefix & PREFIX_REPNZ) |
2926 |
b1 = 3;
|
2927 |
else
|
2928 |
b1 = 0;
|
2929 |
sse_op2 = sse_op_table1[b][b1]; |
2930 |
if (!sse_op2)
|
2931 |
goto illegal_op;
|
2932 |
if ((b <= 0x5f && b >= 0x10) || b == 0xc6 || b == 0xc2) { |
2933 |
is_xmm = 1;
|
2934 |
} else {
|
2935 |
if (b1 == 0) { |
2936 |
/* MMX case */
|
2937 |
is_xmm = 0;
|
2938 |
} else {
|
2939 |
is_xmm = 1;
|
2940 |
} |
2941 |
} |
2942 |
/* simple MMX/SSE operation */
|
2943 |
if (s->flags & HF_TS_MASK) {
|
2944 |
gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); |
2945 |
return;
|
2946 |
} |
2947 |
if (s->flags & HF_EM_MASK) {
|
2948 |
illegal_op:
|
2949 |
gen_exception(s, EXCP06_ILLOP, pc_start - s->cs_base); |
2950 |
return;
|
2951 |
} |
2952 |
if (is_xmm && !(s->flags & HF_OSFXSR_MASK))
|
2953 |
goto illegal_op;
|
2954 |
if (b == 0x0e) { |
2955 |
if (!(s->cpuid_ext2_features & CPUID_EXT2_3DNOW))
|
2956 |
goto illegal_op;
|
2957 |
/* femms */
|
2958 |
tcg_gen_helper_0_0(helper_emms); |
2959 |
return;
|
2960 |
} |
2961 |
if (b == 0x77) { |
2962 |
/* emms */
|
2963 |
tcg_gen_helper_0_0(helper_emms); |
2964 |
return;
|
2965 |
} |
2966 |
/* prepare MMX state (XXX: optimize by storing fptt and fptags in
|
2967 |
the static cpu state) */
|
2968 |
if (!is_xmm) {
|
2969 |
tcg_gen_helper_0_0(helper_enter_mmx); |
2970 |
} |
2971 |
|
2972 |
modrm = ldub_code(s->pc++); |
2973 |
reg = ((modrm >> 3) & 7); |
2974 |
if (is_xmm)
|
2975 |
reg |= rex_r; |
2976 |
mod = (modrm >> 6) & 3; |
2977 |
if (sse_op2 == SSE_SPECIAL) {
|
2978 |
b |= (b1 << 8);
|
2979 |
switch(b) {
|
2980 |
case 0x0e7: /* movntq */ |
2981 |
if (mod == 3) |
2982 |
goto illegal_op;
|
2983 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
2984 |
gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,fpregs[reg].mmx)); |
2985 |
break;
|
2986 |
case 0x1e7: /* movntdq */ |
2987 |
case 0x02b: /* movntps */ |
2988 |
case 0x12b: /* movntps */ |
2989 |
case 0x3f0: /* lddqu */ |
2990 |
if (mod == 3) |
2991 |
goto illegal_op;
|
2992 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
2993 |
gen_sto_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg])); |
2994 |
break;
|
2995 |
case 0x6e: /* movd mm, ea */ |
2996 |
#ifdef TARGET_X86_64
|
2997 |
if (s->dflag == 2) { |
2998 |
gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 0);
|
2999 |
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,fpregs[reg].mmx));
|
3000 |
} else
|
3001 |
#endif
|
3002 |
{ |
3003 |
gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 0);
|
3004 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, |
3005 |
offsetof(CPUX86State,fpregs[reg].mmx)); |
3006 |
tcg_gen_helper_0_2(helper_movl_mm_T0_mmx, cpu_ptr0, cpu_T[0]);
|
3007 |
} |
3008 |
break;
|
3009 |
case 0x16e: /* movd xmm, ea */ |
3010 |
#ifdef TARGET_X86_64
|
3011 |
if (s->dflag == 2) { |
3012 |
gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 0);
|
3013 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, |
3014 |
offsetof(CPUX86State,xmm_regs[reg])); |
3015 |
tcg_gen_helper_0_2(helper_movq_mm_T0_xmm, cpu_ptr0, cpu_T[0]);
|
3016 |
} else
|
3017 |
#endif
|
3018 |
{ |
3019 |
gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 0);
|
3020 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, |
3021 |
offsetof(CPUX86State,xmm_regs[reg])); |
3022 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
3023 |
tcg_gen_helper_0_2(helper_movl_mm_T0_xmm, cpu_ptr0, cpu_tmp2_i32); |
3024 |
} |
3025 |
break;
|
3026 |
case 0x6f: /* movq mm, ea */ |
3027 |
if (mod != 3) { |
3028 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3029 |
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,fpregs[reg].mmx)); |
3030 |
} else {
|
3031 |
rm = (modrm & 7);
|
3032 |
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, |
3033 |
offsetof(CPUX86State,fpregs[rm].mmx)); |
3034 |
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, |
3035 |
offsetof(CPUX86State,fpregs[reg].mmx)); |
3036 |
} |
3037 |
break;
|
3038 |
case 0x010: /* movups */ |
3039 |
case 0x110: /* movupd */ |
3040 |
case 0x028: /* movaps */ |
3041 |
case 0x128: /* movapd */ |
3042 |
case 0x16f: /* movdqa xmm, ea */ |
3043 |
case 0x26f: /* movdqu xmm, ea */ |
3044 |
if (mod != 3) { |
3045 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3046 |
gen_ldo_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg])); |
3047 |
} else {
|
3048 |
rm = (modrm & 7) | REX_B(s);
|
3049 |
gen_op_movo(offsetof(CPUX86State,xmm_regs[reg]), |
3050 |
offsetof(CPUX86State,xmm_regs[rm])); |
3051 |
} |
3052 |
break;
|
3053 |
case 0x210: /* movss xmm, ea */ |
3054 |
if (mod != 3) { |
3055 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3056 |
gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
3057 |
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(0))); |
3058 |
gen_op_movl_T0_0(); |
3059 |
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(1))); |
3060 |
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(2))); |
3061 |
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(3))); |
3062 |
} else {
|
3063 |
rm = (modrm & 7) | REX_B(s);
|
3064 |
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)),
|
3065 |
offsetof(CPUX86State,xmm_regs[rm].XMM_L(0)));
|
3066 |
} |
3067 |
break;
|
3068 |
case 0x310: /* movsd xmm, ea */ |
3069 |
if (mod != 3) { |
3070 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3071 |
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
3072 |
gen_op_movl_T0_0(); |
3073 |
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(2))); |
3074 |
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(3))); |
3075 |
} else {
|
3076 |
rm = (modrm & 7) | REX_B(s);
|
3077 |
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)),
|
3078 |
offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)));
|
3079 |
} |
3080 |
break;
|
3081 |
case 0x012: /* movlps */ |
3082 |
case 0x112: /* movlpd */ |
3083 |
if (mod != 3) { |
3084 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3085 |
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
3086 |
} else {
|
3087 |
/* movhlps */
|
3088 |
rm = (modrm & 7) | REX_B(s);
|
3089 |
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)),
|
3090 |
offsetof(CPUX86State,xmm_regs[rm].XMM_Q(1)));
|
3091 |
} |
3092 |
break;
|
3093 |
case 0x212: /* movsldup */ |
3094 |
if (mod != 3) { |
3095 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3096 |
gen_ldo_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg])); |
3097 |
} else {
|
3098 |
rm = (modrm & 7) | REX_B(s);
|
3099 |
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)),
|
3100 |
offsetof(CPUX86State,xmm_regs[rm].XMM_L(0)));
|
3101 |
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(2)),
|
3102 |
offsetof(CPUX86State,xmm_regs[rm].XMM_L(2)));
|
3103 |
} |
3104 |
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(1)),
|
3105 |
offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)));
|
3106 |
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(3)),
|
3107 |
offsetof(CPUX86State,xmm_regs[reg].XMM_L(2)));
|
3108 |
break;
|
3109 |
case 0x312: /* movddup */ |
3110 |
if (mod != 3) { |
3111 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3112 |
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
3113 |
} else {
|
3114 |
rm = (modrm & 7) | REX_B(s);
|
3115 |
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)),
|
3116 |
offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)));
|
3117 |
} |
3118 |
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)),
|
3119 |
offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
3120 |
break;
|
3121 |
case 0x016: /* movhps */ |
3122 |
case 0x116: /* movhpd */ |
3123 |
if (mod != 3) { |
3124 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3125 |
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)));
|
3126 |
} else {
|
3127 |
/* movlhps */
|
3128 |
rm = (modrm & 7) | REX_B(s);
|
3129 |
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)),
|
3130 |
offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)));
|
3131 |
} |
3132 |
break;
|
3133 |
case 0x216: /* movshdup */ |
3134 |
if (mod != 3) { |
3135 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3136 |
gen_ldo_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg])); |
3137 |
} else {
|
3138 |
rm = (modrm & 7) | REX_B(s);
|
3139 |
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(1)),
|
3140 |
offsetof(CPUX86State,xmm_regs[rm].XMM_L(1)));
|
3141 |
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(3)),
|
3142 |
offsetof(CPUX86State,xmm_regs[rm].XMM_L(3)));
|
3143 |
} |
3144 |
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)),
|
3145 |
offsetof(CPUX86State,xmm_regs[reg].XMM_L(1)));
|
3146 |
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(2)),
|
3147 |
offsetof(CPUX86State,xmm_regs[reg].XMM_L(3)));
|
3148 |
break;
|
3149 |
case 0x7e: /* movd ea, mm */ |
3150 |
#ifdef TARGET_X86_64
|
3151 |
if (s->dflag == 2) { |
3152 |
tcg_gen_ld_i64(cpu_T[0], cpu_env,
|
3153 |
offsetof(CPUX86State,fpregs[reg].mmx)); |
3154 |
gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 1);
|
3155 |
} else
|
3156 |
#endif
|
3157 |
{ |
3158 |
tcg_gen_ld32u_tl(cpu_T[0], cpu_env,
|
3159 |
offsetof(CPUX86State,fpregs[reg].mmx.MMX_L(0)));
|
3160 |
gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 1);
|
3161 |
} |
3162 |
break;
|
3163 |
case 0x17e: /* movd ea, xmm */ |
3164 |
#ifdef TARGET_X86_64
|
3165 |
if (s->dflag == 2) { |
3166 |
tcg_gen_ld_i64(cpu_T[0], cpu_env,
|
3167 |
offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
3168 |
gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 1);
|
3169 |
} else
|
3170 |
#endif
|
3171 |
{ |
3172 |
tcg_gen_ld32u_tl(cpu_T[0], cpu_env,
|
3173 |
offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)));
|
3174 |
gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 1);
|
3175 |
} |
3176 |
break;
|
3177 |
case 0x27e: /* movq xmm, ea */ |
3178 |
if (mod != 3) { |
3179 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3180 |
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
3181 |
} else {
|
3182 |
rm = (modrm & 7) | REX_B(s);
|
3183 |
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)),
|
3184 |
offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)));
|
3185 |
} |
3186 |
gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)));
|
3187 |
break;
|
3188 |
case 0x7f: /* movq ea, mm */ |
3189 |
if (mod != 3) { |
3190 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3191 |
gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,fpregs[reg].mmx)); |
3192 |
} else {
|
3193 |
rm = (modrm & 7);
|
3194 |
gen_op_movq(offsetof(CPUX86State,fpregs[rm].mmx), |
3195 |
offsetof(CPUX86State,fpregs[reg].mmx)); |
3196 |
} |
3197 |
break;
|
3198 |
case 0x011: /* movups */ |
3199 |
case 0x111: /* movupd */ |
3200 |
case 0x029: /* movaps */ |
3201 |
case 0x129: /* movapd */ |
3202 |
case 0x17f: /* movdqa ea, xmm */ |
3203 |
case 0x27f: /* movdqu ea, xmm */ |
3204 |
if (mod != 3) { |
3205 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3206 |
gen_sto_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg])); |
3207 |
} else {
|
3208 |
rm = (modrm & 7) | REX_B(s);
|
3209 |
gen_op_movo(offsetof(CPUX86State,xmm_regs[rm]), |
3210 |
offsetof(CPUX86State,xmm_regs[reg])); |
3211 |
} |
3212 |
break;
|
3213 |
case 0x211: /* movss ea, xmm */ |
3214 |
if (mod != 3) { |
3215 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3216 |
tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(0))); |
3217 |
gen_op_st_T0_A0(OT_LONG + s->mem_index); |
3218 |
} else {
|
3219 |
rm = (modrm & 7) | REX_B(s);
|
3220 |
gen_op_movl(offsetof(CPUX86State,xmm_regs[rm].XMM_L(0)),
|
3221 |
offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)));
|
3222 |
} |
3223 |
break;
|
3224 |
case 0x311: /* movsd ea, xmm */ |
3225 |
if (mod != 3) { |
3226 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3227 |
gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
3228 |
} else {
|
3229 |
rm = (modrm & 7) | REX_B(s);
|
3230 |
gen_op_movq(offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)),
|
3231 |
offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
3232 |
} |
3233 |
break;
|
3234 |
case 0x013: /* movlps */ |
3235 |
case 0x113: /* movlpd */ |
3236 |
if (mod != 3) { |
3237 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3238 |
gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
3239 |
} else {
|
3240 |
goto illegal_op;
|
3241 |
} |
3242 |
break;
|
3243 |
case 0x017: /* movhps */ |
3244 |
case 0x117: /* movhpd */ |
3245 |
if (mod != 3) { |
3246 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3247 |
gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)));
|
3248 |
} else {
|
3249 |
goto illegal_op;
|
3250 |
} |
3251 |
break;
|
3252 |
case 0x71: /* shift mm, im */ |
3253 |
case 0x72: |
3254 |
case 0x73: |
3255 |
case 0x171: /* shift xmm, im */ |
3256 |
case 0x172: |
3257 |
case 0x173: |
3258 |
val = ldub_code(s->pc++); |
3259 |
if (is_xmm) {
|
3260 |
gen_op_movl_T0_im(val); |
3261 |
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_t0.XMM_L(0))); |
3262 |
gen_op_movl_T0_0(); |
3263 |
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_t0.XMM_L(1))); |
3264 |
op1_offset = offsetof(CPUX86State,xmm_t0); |
3265 |
} else {
|
3266 |
gen_op_movl_T0_im(val); |
3267 |
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,mmx_t0.MMX_L(0))); |
3268 |
gen_op_movl_T0_0(); |
3269 |
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,mmx_t0.MMX_L(1))); |
3270 |
op1_offset = offsetof(CPUX86State,mmx_t0); |
3271 |
} |
3272 |
sse_op2 = sse_op_table2[((b - 1) & 3) * 8 + (((modrm >> 3)) & 7)][b1]; |
3273 |
if (!sse_op2)
|
3274 |
goto illegal_op;
|
3275 |
if (is_xmm) {
|
3276 |
rm = (modrm & 7) | REX_B(s);
|
3277 |
op2_offset = offsetof(CPUX86State,xmm_regs[rm]); |
3278 |
} else {
|
3279 |
rm = (modrm & 7);
|
3280 |
op2_offset = offsetof(CPUX86State,fpregs[rm].mmx); |
3281 |
} |
3282 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op2_offset); |
3283 |
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op1_offset); |
3284 |
tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_ptr1); |
3285 |
break;
|
3286 |
case 0x050: /* movmskps */ |
3287 |
rm = (modrm & 7) | REX_B(s);
|
3288 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, |
3289 |
offsetof(CPUX86State,xmm_regs[rm])); |
3290 |
tcg_gen_helper_1_1(helper_movmskps, cpu_tmp2_i32, cpu_ptr0); |
3291 |
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
3292 |
gen_op_mov_reg_T0(OT_LONG, reg); |
3293 |
break;
|
3294 |
case 0x150: /* movmskpd */ |
3295 |
rm = (modrm & 7) | REX_B(s);
|
3296 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, |
3297 |
offsetof(CPUX86State,xmm_regs[rm])); |
3298 |
tcg_gen_helper_1_1(helper_movmskpd, cpu_tmp2_i32, cpu_ptr0); |
3299 |
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
3300 |
gen_op_mov_reg_T0(OT_LONG, reg); |
3301 |
break;
|
3302 |
case 0x02a: /* cvtpi2ps */ |
3303 |
case 0x12a: /* cvtpi2pd */ |
3304 |
tcg_gen_helper_0_0(helper_enter_mmx); |
3305 |
if (mod != 3) { |
3306 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3307 |
op2_offset = offsetof(CPUX86State,mmx_t0); |
3308 |
gen_ldq_env_A0(s->mem_index, op2_offset); |
3309 |
} else {
|
3310 |
rm = (modrm & 7);
|
3311 |
op2_offset = offsetof(CPUX86State,fpregs[rm].mmx); |
3312 |
} |
3313 |
op1_offset = offsetof(CPUX86State,xmm_regs[reg]); |
3314 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset); |
3315 |
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset); |
3316 |
switch(b >> 8) { |
3317 |
case 0x0: |
3318 |
tcg_gen_helper_0_2(helper_cvtpi2ps, cpu_ptr0, cpu_ptr1); |
3319 |
break;
|
3320 |
default:
|
3321 |
case 0x1: |
3322 |
tcg_gen_helper_0_2(helper_cvtpi2pd, cpu_ptr0, cpu_ptr1); |
3323 |
break;
|
3324 |
} |
3325 |
break;
|
3326 |
case 0x22a: /* cvtsi2ss */ |
3327 |
case 0x32a: /* cvtsi2sd */ |
3328 |
ot = (s->dflag == 2) ? OT_QUAD : OT_LONG;
|
3329 |
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
|
3330 |
op1_offset = offsetof(CPUX86State,xmm_regs[reg]); |
3331 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset); |
3332 |
sse_op2 = sse_op_table3[(s->dflag == 2) * 2 + ((b >> 8) - 2)]; |
3333 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
3334 |
tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_tmp2_i32); |
3335 |
break;
|
3336 |
case 0x02c: /* cvttps2pi */ |
3337 |
case 0x12c: /* cvttpd2pi */ |
3338 |
case 0x02d: /* cvtps2pi */ |
3339 |
case 0x12d: /* cvtpd2pi */ |
3340 |
tcg_gen_helper_0_0(helper_enter_mmx); |
3341 |
if (mod != 3) { |
3342 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3343 |
op2_offset = offsetof(CPUX86State,xmm_t0); |
3344 |
gen_ldo_env_A0(s->mem_index, op2_offset); |
3345 |
} else {
|
3346 |
rm = (modrm & 7) | REX_B(s);
|
3347 |
op2_offset = offsetof(CPUX86State,xmm_regs[rm]); |
3348 |
} |
3349 |
op1_offset = offsetof(CPUX86State,fpregs[reg & 7].mmx);
|
3350 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset); |
3351 |
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset); |
3352 |
switch(b) {
|
3353 |
case 0x02c: |
3354 |
tcg_gen_helper_0_2(helper_cvttps2pi, cpu_ptr0, cpu_ptr1); |
3355 |
break;
|
3356 |
case 0x12c: |
3357 |
tcg_gen_helper_0_2(helper_cvttpd2pi, cpu_ptr0, cpu_ptr1); |
3358 |
break;
|
3359 |
case 0x02d: |
3360 |
tcg_gen_helper_0_2(helper_cvtps2pi, cpu_ptr0, cpu_ptr1); |
3361 |
break;
|
3362 |
case 0x12d: |
3363 |
tcg_gen_helper_0_2(helper_cvtpd2pi, cpu_ptr0, cpu_ptr1); |
3364 |
break;
|
3365 |
} |
3366 |
break;
|
3367 |
case 0x22c: /* cvttss2si */ |
3368 |
case 0x32c: /* cvttsd2si */ |
3369 |
case 0x22d: /* cvtss2si */ |
3370 |
case 0x32d: /* cvtsd2si */ |
3371 |
ot = (s->dflag == 2) ? OT_QUAD : OT_LONG;
|
3372 |
if (mod != 3) { |
3373 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3374 |
if ((b >> 8) & 1) { |
3375 |
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_t0.XMM_Q(0)));
|
3376 |
} else {
|
3377 |
gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
3378 |
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_t0.XMM_L(0))); |
3379 |
} |
3380 |
op2_offset = offsetof(CPUX86State,xmm_t0); |
3381 |
} else {
|
3382 |
rm = (modrm & 7) | REX_B(s);
|
3383 |
op2_offset = offsetof(CPUX86State,xmm_regs[rm]); |
3384 |
} |
3385 |
sse_op2 = sse_op_table3[(s->dflag == 2) * 2 + ((b >> 8) - 2) + 4 + |
3386 |
(b & 1) * 4]; |
3387 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op2_offset); |
3388 |
if (ot == OT_LONG) {
|
3389 |
tcg_gen_helper_1_1(sse_op2, cpu_tmp2_i32, cpu_ptr0); |
3390 |
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
3391 |
} else {
|
3392 |
tcg_gen_helper_1_1(sse_op2, cpu_T[0], cpu_ptr0);
|
3393 |
} |
3394 |
gen_op_mov_reg_T0(ot, reg); |
3395 |
break;
|
3396 |
case 0xc4: /* pinsrw */ |
3397 |
case 0x1c4: |
3398 |
s->rip_offset = 1;
|
3399 |
gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
|
3400 |
val = ldub_code(s->pc++); |
3401 |
if (b1) {
|
3402 |
val &= 7;
|
3403 |
tcg_gen_st16_tl(cpu_T[0], cpu_env,
|
3404 |
offsetof(CPUX86State,xmm_regs[reg].XMM_W(val))); |
3405 |
} else {
|
3406 |
val &= 3;
|
3407 |
tcg_gen_st16_tl(cpu_T[0], cpu_env,
|
3408 |
offsetof(CPUX86State,fpregs[reg].mmx.MMX_W(val))); |
3409 |
} |
3410 |
break;
|
3411 |
case 0xc5: /* pextrw */ |
3412 |
case 0x1c5: |
3413 |
if (mod != 3) |
3414 |
goto illegal_op;
|
3415 |
val = ldub_code(s->pc++); |
3416 |
if (b1) {
|
3417 |
val &= 7;
|
3418 |
rm = (modrm & 7) | REX_B(s);
|
3419 |
tcg_gen_ld16u_tl(cpu_T[0], cpu_env,
|
3420 |
offsetof(CPUX86State,xmm_regs[rm].XMM_W(val))); |
3421 |
} else {
|
3422 |
val &= 3;
|
3423 |
rm = (modrm & 7);
|
3424 |
tcg_gen_ld16u_tl(cpu_T[0], cpu_env,
|
3425 |
offsetof(CPUX86State,fpregs[rm].mmx.MMX_W(val))); |
3426 |
} |
3427 |
reg = ((modrm >> 3) & 7) | rex_r; |
3428 |
gen_op_mov_reg_T0(OT_LONG, reg); |
3429 |
break;
|
3430 |
case 0x1d6: /* movq ea, xmm */ |
3431 |
if (mod != 3) { |
3432 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3433 |
gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
3434 |
} else {
|
3435 |
rm = (modrm & 7) | REX_B(s);
|
3436 |
gen_op_movq(offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)),
|
3437 |
offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
3438 |
gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[rm].XMM_Q(1)));
|
3439 |
} |
3440 |
break;
|
3441 |
case 0x2d6: /* movq2dq */ |
3442 |
tcg_gen_helper_0_0(helper_enter_mmx); |
3443 |
rm = (modrm & 7);
|
3444 |
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)),
|
3445 |
offsetof(CPUX86State,fpregs[rm].mmx)); |
3446 |
gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)));
|
3447 |
break;
|
3448 |
case 0x3d6: /* movdq2q */ |
3449 |
tcg_gen_helper_0_0(helper_enter_mmx); |
3450 |
rm = (modrm & 7) | REX_B(s);
|
3451 |
gen_op_movq(offsetof(CPUX86State,fpregs[reg & 7].mmx),
|
3452 |
offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)));
|
3453 |
break;
|
3454 |
case 0xd7: /* pmovmskb */ |
3455 |
case 0x1d7: |
3456 |
if (mod != 3) |
3457 |
goto illegal_op;
|
3458 |
if (b1) {
|
3459 |
rm = (modrm & 7) | REX_B(s);
|
3460 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, offsetof(CPUX86State,xmm_regs[rm])); |
3461 |
tcg_gen_helper_1_1(helper_pmovmskb_xmm, cpu_tmp2_i32, cpu_ptr0); |
3462 |
} else {
|
3463 |
rm = (modrm & 7);
|
3464 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, offsetof(CPUX86State,fpregs[rm].mmx)); |
3465 |
tcg_gen_helper_1_1(helper_pmovmskb_mmx, cpu_tmp2_i32, cpu_ptr0); |
3466 |
} |
3467 |
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
3468 |
reg = ((modrm >> 3) & 7) | rex_r; |
3469 |
gen_op_mov_reg_T0(OT_LONG, reg); |
3470 |
break;
|
3471 |
default:
|
3472 |
goto illegal_op;
|
3473 |
} |
3474 |
} else {
|
3475 |
/* generic MMX or SSE operation */
|
3476 |
switch(b) {
|
3477 |
case 0x70: /* pshufx insn */ |
3478 |
case 0xc6: /* pshufx insn */ |
3479 |
case 0xc2: /* compare insns */ |
3480 |
s->rip_offset = 1;
|
3481 |
break;
|
3482 |
default:
|
3483 |
break;
|
3484 |
} |
3485 |
if (is_xmm) {
|
3486 |
op1_offset = offsetof(CPUX86State,xmm_regs[reg]); |
3487 |
if (mod != 3) { |
3488 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3489 |
op2_offset = offsetof(CPUX86State,xmm_t0); |
3490 |
if (b1 >= 2 && ((b >= 0x50 && b <= 0x5f && b != 0x5b) || |
3491 |
b == 0xc2)) {
|
3492 |
/* specific case for SSE single instructions */
|
3493 |
if (b1 == 2) { |
3494 |
/* 32 bit access */
|
3495 |
gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
3496 |
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_t0.XMM_L(0))); |
3497 |
} else {
|
3498 |
/* 64 bit access */
|
3499 |
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_t0.XMM_D(0)));
|
3500 |
} |
3501 |
} else {
|
3502 |
gen_ldo_env_A0(s->mem_index, op2_offset); |
3503 |
} |
3504 |
} else {
|
3505 |
rm = (modrm & 7) | REX_B(s);
|
3506 |
op2_offset = offsetof(CPUX86State,xmm_regs[rm]); |
3507 |
} |
3508 |
} else {
|
3509 |
op1_offset = offsetof(CPUX86State,fpregs[reg].mmx); |
3510 |
if (mod != 3) { |
3511 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3512 |
op2_offset = offsetof(CPUX86State,mmx_t0); |
3513 |
gen_ldq_env_A0(s->mem_index, op2_offset); |
3514 |
} else {
|
3515 |
rm = (modrm & 7);
|
3516 |
op2_offset = offsetof(CPUX86State,fpregs[rm].mmx); |
3517 |
} |
3518 |
} |
3519 |
switch(b) {
|
3520 |
case 0x0f: /* 3DNow! data insns */ |
3521 |
if (!(s->cpuid_ext2_features & CPUID_EXT2_3DNOW))
|
3522 |
goto illegal_op;
|
3523 |
val = ldub_code(s->pc++); |
3524 |
sse_op2 = sse_op_table5[val]; |
3525 |
if (!sse_op2)
|
3526 |
goto illegal_op;
|
3527 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset); |
3528 |
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset); |
3529 |
tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_ptr1); |
3530 |
break;
|
3531 |
case 0x70: /* pshufx insn */ |
3532 |
case 0xc6: /* pshufx insn */ |
3533 |
val = ldub_code(s->pc++); |
3534 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset); |
3535 |
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset); |
3536 |
tcg_gen_helper_0_3(sse_op2, cpu_ptr0, cpu_ptr1, tcg_const_i32(val)); |
3537 |
break;
|
3538 |
case 0xc2: |
3539 |
/* compare insns */
|
3540 |
val = ldub_code(s->pc++); |
3541 |
if (val >= 8) |
3542 |
goto illegal_op;
|
3543 |
sse_op2 = sse_op_table4[val][b1]; |
3544 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset); |
3545 |
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset); |
3546 |
tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_ptr1); |
3547 |
break;
|
3548 |
case 0xf7: |
3549 |
/* maskmov : we must prepare A0 */
|
3550 |
if (mod != 3) |
3551 |
goto illegal_op;
|
3552 |
#ifdef TARGET_X86_64
|
3553 |
if (s->aflag == 2) { |
3554 |
gen_op_movq_A0_reg(R_EDI); |
3555 |
} else
|
3556 |
#endif
|
3557 |
{ |
3558 |
gen_op_movl_A0_reg(R_EDI); |
3559 |
if (s->aflag == 0) |
3560 |
gen_op_andl_A0_ffff(); |
3561 |
} |
3562 |
gen_add_A0_ds_seg(s); |
3563 |
|
3564 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset); |
3565 |
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset); |
3566 |
tcg_gen_helper_0_3(sse_op2, cpu_ptr0, cpu_ptr1, cpu_A0); |
3567 |
break;
|
3568 |
default:
|
3569 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset); |
3570 |
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset); |
3571 |
tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_ptr1); |
3572 |
break;
|
3573 |
} |
3574 |
if (b == 0x2e || b == 0x2f) { |
3575 |
s->cc_op = CC_OP_EFLAGS; |
3576 |
} |
3577 |
} |
3578 |
} |
3579 |
|
3580 |
/* convert one instruction. s->is_jmp is set if the translation must
|
3581 |
be stopped. Return the next pc value */
|
3582 |
static target_ulong disas_insn(DisasContext *s, target_ulong pc_start)
|
3583 |
{ |
3584 |
int b, prefixes, aflag, dflag;
|
3585 |
int shift, ot;
|
3586 |
int modrm, reg, rm, mod, reg_addr, op, opreg, offset_addr, val;
|
3587 |
target_ulong next_eip, tval; |
3588 |
int rex_w, rex_r;
|
3589 |
|
3590 |
if (unlikely(loglevel & CPU_LOG_TB_OP))
|
3591 |
tcg_gen_debug_insn_start(pc_start); |
3592 |
s->pc = pc_start; |
3593 |
prefixes = 0;
|
3594 |
aflag = s->code32; |
3595 |
dflag = s->code32; |
3596 |
s->override = -1;
|
3597 |
rex_w = -1;
|
3598 |
rex_r = 0;
|
3599 |
#ifdef TARGET_X86_64
|
3600 |
s->rex_x = 0;
|
3601 |
s->rex_b = 0;
|
3602 |
x86_64_hregs = 0;
|
3603 |
#endif
|
3604 |
s->rip_offset = 0; /* for relative ip address */ |
3605 |
next_byte:
|
3606 |
b = ldub_code(s->pc); |
3607 |
s->pc++; |
3608 |
/* check prefixes */
|
3609 |
#ifdef TARGET_X86_64
|
3610 |
if (CODE64(s)) {
|
3611 |
switch (b) {
|
3612 |
case 0xf3: |
3613 |
prefixes |= PREFIX_REPZ; |
3614 |
goto next_byte;
|
3615 |
case 0xf2: |
3616 |
prefixes |= PREFIX_REPNZ; |
3617 |
goto next_byte;
|
3618 |
case 0xf0: |
3619 |
prefixes |= PREFIX_LOCK; |
3620 |
goto next_byte;
|
3621 |
case 0x2e: |
3622 |
s->override = R_CS; |
3623 |
goto next_byte;
|
3624 |
case 0x36: |
3625 |
s->override = R_SS; |
3626 |
goto next_byte;
|
3627 |
case 0x3e: |
3628 |
s->override = R_DS; |
3629 |
goto next_byte;
|
3630 |
case 0x26: |
3631 |
s->override = R_ES; |
3632 |
goto next_byte;
|
3633 |
case 0x64: |
3634 |
s->override = R_FS; |
3635 |
goto next_byte;
|
3636 |
case 0x65: |
3637 |
s->override = R_GS; |
3638 |
goto next_byte;
|
3639 |
case 0x66: |
3640 |
prefixes |= PREFIX_DATA; |
3641 |
goto next_byte;
|
3642 |
case 0x67: |
3643 |
prefixes |= PREFIX_ADR; |
3644 |
goto next_byte;
|
3645 |
case 0x40 ... 0x4f: |
3646 |
/* REX prefix */
|
3647 |
rex_w = (b >> 3) & 1; |
3648 |
rex_r = (b & 0x4) << 1; |
3649 |
s->rex_x = (b & 0x2) << 2; |
3650 |
REX_B(s) = (b & 0x1) << 3; |
3651 |
x86_64_hregs = 1; /* select uniform byte register addressing */ |
3652 |
goto next_byte;
|
3653 |
} |
3654 |
if (rex_w == 1) { |
3655 |
/* 0x66 is ignored if rex.w is set */
|
3656 |
dflag = 2;
|
3657 |
} else {
|
3658 |
if (prefixes & PREFIX_DATA)
|
3659 |
dflag ^= 1;
|
3660 |
} |
3661 |
if (!(prefixes & PREFIX_ADR))
|
3662 |
aflag = 2;
|
3663 |
} else
|
3664 |
#endif
|
3665 |
{ |
3666 |
switch (b) {
|
3667 |
case 0xf3: |
3668 |
prefixes |= PREFIX_REPZ; |
3669 |
goto next_byte;
|
3670 |
case 0xf2: |
3671 |
prefixes |= PREFIX_REPNZ; |
3672 |
goto next_byte;
|
3673 |
case 0xf0: |
3674 |
prefixes |= PREFIX_LOCK; |
3675 |
goto next_byte;
|
3676 |
case 0x2e: |
3677 |
s->override = R_CS; |
3678 |
goto next_byte;
|
3679 |
case 0x36: |
3680 |
s->override = R_SS; |
3681 |
goto next_byte;
|
3682 |
case 0x3e: |
3683 |
s->override = R_DS; |
3684 |
goto next_byte;
|
3685 |
case 0x26: |
3686 |
s->override = R_ES; |
3687 |
goto next_byte;
|
3688 |
case 0x64: |
3689 |
s->override = R_FS; |
3690 |
goto next_byte;
|
3691 |
case 0x65: |
3692 |
s->override = R_GS; |
3693 |
goto next_byte;
|
3694 |
case 0x66: |
3695 |
prefixes |= PREFIX_DATA; |
3696 |
goto next_byte;
|
3697 |
case 0x67: |
3698 |
prefixes |= PREFIX_ADR; |
3699 |
goto next_byte;
|
3700 |
} |
3701 |
if (prefixes & PREFIX_DATA)
|
3702 |
dflag ^= 1;
|
3703 |
if (prefixes & PREFIX_ADR)
|
3704 |
aflag ^= 1;
|
3705 |
} |
3706 |
|
3707 |
s->prefix = prefixes; |
3708 |
s->aflag = aflag; |
3709 |
s->dflag = dflag; |
3710 |
|
3711 |
/* lock generation */
|
3712 |
if (prefixes & PREFIX_LOCK)
|
3713 |
tcg_gen_helper_0_0(helper_lock); |
3714 |
|
3715 |
/* now check op code */
|
3716 |
reswitch:
|
3717 |
switch(b) {
|
3718 |
case 0x0f: |
3719 |
/**************************/
|
3720 |
/* extended op code */
|
3721 |
b = ldub_code(s->pc++) | 0x100;
|
3722 |
goto reswitch;
|
3723 |
|
3724 |
/**************************/
|
3725 |
/* arith & logic */
|
3726 |
case 0x00 ... 0x05: |
3727 |
case 0x08 ... 0x0d: |
3728 |
case 0x10 ... 0x15: |
3729 |
case 0x18 ... 0x1d: |
3730 |
case 0x20 ... 0x25: |
3731 |
case 0x28 ... 0x2d: |
3732 |
case 0x30 ... 0x35: |
3733 |
case 0x38 ... 0x3d: |
3734 |
{ |
3735 |
int op, f, val;
|
3736 |
op = (b >> 3) & 7; |
3737 |
f = (b >> 1) & 3; |
3738 |
|
3739 |
if ((b & 1) == 0) |
3740 |
ot = OT_BYTE; |
3741 |
else
|
3742 |
ot = dflag + OT_WORD; |
3743 |
|
3744 |
switch(f) {
|
3745 |
case 0: /* OP Ev, Gv */ |
3746 |
modrm = ldub_code(s->pc++); |
3747 |
reg = ((modrm >> 3) & 7) | rex_r; |
3748 |
mod = (modrm >> 6) & 3; |
3749 |
rm = (modrm & 7) | REX_B(s);
|
3750 |
if (mod != 3) { |
3751 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3752 |
opreg = OR_TMP0; |
3753 |
} else if (op == OP_XORL && rm == reg) { |
3754 |
xor_zero:
|
3755 |
/* xor reg, reg optimisation */
|
3756 |
gen_op_movl_T0_0(); |
3757 |
s->cc_op = CC_OP_LOGICB + ot; |
3758 |
gen_op_mov_reg_T0(ot, reg); |
3759 |
gen_op_update1_cc(); |
3760 |
break;
|
3761 |
} else {
|
3762 |
opreg = rm; |
3763 |
} |
3764 |
gen_op_mov_TN_reg(ot, 1, reg);
|
3765 |
gen_op(s, op, ot, opreg); |
3766 |
break;
|
3767 |
case 1: /* OP Gv, Ev */ |
3768 |
modrm = ldub_code(s->pc++); |
3769 |
mod = (modrm >> 6) & 3; |
3770 |
reg = ((modrm >> 3) & 7) | rex_r; |
3771 |
rm = (modrm & 7) | REX_B(s);
|
3772 |
if (mod != 3) { |
3773 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3774 |
gen_op_ld_T1_A0(ot + s->mem_index); |
3775 |
} else if (op == OP_XORL && rm == reg) { |
3776 |
goto xor_zero;
|
3777 |
} else {
|
3778 |
gen_op_mov_TN_reg(ot, 1, rm);
|
3779 |
} |
3780 |
gen_op(s, op, ot, reg); |
3781 |
break;
|
3782 |
case 2: /* OP A, Iv */ |
3783 |
val = insn_get(s, ot); |
3784 |
gen_op_movl_T1_im(val); |
3785 |
gen_op(s, op, ot, OR_EAX); |
3786 |
break;
|
3787 |
} |
3788 |
} |
3789 |
break;
|
3790 |
|
3791 |
case 0x80: /* GRP1 */ |
3792 |
case 0x81: |
3793 |
case 0x82: |
3794 |
case 0x83: |
3795 |
{ |
3796 |
int val;
|
3797 |
|
3798 |
if ((b & 1) == 0) |
3799 |
ot = OT_BYTE; |
3800 |
else
|
3801 |
ot = dflag + OT_WORD; |
3802 |
|
3803 |
modrm = ldub_code(s->pc++); |
3804 |
mod = (modrm >> 6) & 3; |
3805 |
rm = (modrm & 7) | REX_B(s);
|
3806 |
op = (modrm >> 3) & 7; |
3807 |
|
3808 |
if (mod != 3) { |
3809 |
if (b == 0x83) |
3810 |
s->rip_offset = 1;
|
3811 |
else
|
3812 |
s->rip_offset = insn_const_size(ot); |
3813 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3814 |
opreg = OR_TMP0; |
3815 |
} else {
|
3816 |
opreg = rm; |
3817 |
} |
3818 |
|
3819 |
switch(b) {
|
3820 |
default:
|
3821 |
case 0x80: |
3822 |
case 0x81: |
3823 |
case 0x82: |
3824 |
val = insn_get(s, ot); |
3825 |
break;
|
3826 |
case 0x83: |
3827 |
val = (int8_t)insn_get(s, OT_BYTE); |
3828 |
break;
|
3829 |
} |
3830 |
gen_op_movl_T1_im(val); |
3831 |
gen_op(s, op, ot, opreg); |
3832 |
} |
3833 |
break;
|
3834 |
|
3835 |
/**************************/
|
3836 |
/* inc, dec, and other misc arith */
|
3837 |
case 0x40 ... 0x47: /* inc Gv */ |
3838 |
ot = dflag ? OT_LONG : OT_WORD; |
3839 |
gen_inc(s, ot, OR_EAX + (b & 7), 1); |
3840 |
break;
|
3841 |
case 0x48 ... 0x4f: /* dec Gv */ |
3842 |
ot = dflag ? OT_LONG : OT_WORD; |
3843 |
gen_inc(s, ot, OR_EAX + (b & 7), -1); |
3844 |
break;
|
3845 |
case 0xf6: /* GRP3 */ |
3846 |
case 0xf7: |
3847 |
if ((b & 1) == 0) |
3848 |
ot = OT_BYTE; |
3849 |
else
|
3850 |
ot = dflag + OT_WORD; |
3851 |
|
3852 |
modrm = ldub_code(s->pc++); |
3853 |
mod = (modrm >> 6) & 3; |
3854 |
rm = (modrm & 7) | REX_B(s);
|
3855 |
op = (modrm >> 3) & 7; |
3856 |
if (mod != 3) { |
3857 |
if (op == 0) |
3858 |
s->rip_offset = insn_const_size(ot); |
3859 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3860 |
gen_op_ld_T0_A0(ot + s->mem_index); |
3861 |
} else {
|
3862 |
gen_op_mov_TN_reg(ot, 0, rm);
|
3863 |
} |
3864 |
|
3865 |
switch(op) {
|
3866 |
case 0: /* test */ |
3867 |
val = insn_get(s, ot); |
3868 |
gen_op_movl_T1_im(val); |
3869 |
gen_op_testl_T0_T1_cc(); |
3870 |
s->cc_op = CC_OP_LOGICB + ot; |
3871 |
break;
|
3872 |
case 2: /* not */ |
3873 |
tcg_gen_not_tl(cpu_T[0], cpu_T[0]); |
3874 |
if (mod != 3) { |
3875 |
gen_op_st_T0_A0(ot + s->mem_index); |
3876 |
} else {
|
3877 |
gen_op_mov_reg_T0(ot, rm); |
3878 |
} |
3879 |
break;
|
3880 |
case 3: /* neg */ |
3881 |
tcg_gen_neg_tl(cpu_T[0], cpu_T[0]); |
3882 |
if (mod != 3) { |
3883 |
gen_op_st_T0_A0(ot + s->mem_index); |
3884 |
} else {
|
3885 |
gen_op_mov_reg_T0(ot, rm); |
3886 |
} |
3887 |
gen_op_update_neg_cc(); |
3888 |
s->cc_op = CC_OP_SUBB + ot; |
3889 |
break;
|
3890 |
case 4: /* mul */ |
3891 |
switch(ot) {
|
3892 |
case OT_BYTE:
|
3893 |
gen_op_mov_TN_reg(OT_BYTE, 1, R_EAX);
|
3894 |
tcg_gen_ext8u_tl(cpu_T[0], cpu_T[0]); |
3895 |
tcg_gen_ext8u_tl(cpu_T[1], cpu_T[1]); |
3896 |
/* XXX: use 32 bit mul which could be faster */
|
3897 |
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
3898 |
gen_op_mov_reg_T0(OT_WORD, R_EAX); |
3899 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
3900 |
tcg_gen_andi_tl(cpu_cc_src, cpu_T[0], 0xff00); |
3901 |
s->cc_op = CC_OP_MULB; |
3902 |
break;
|
3903 |
case OT_WORD:
|
3904 |
gen_op_mov_TN_reg(OT_WORD, 1, R_EAX);
|
3905 |
tcg_gen_ext16u_tl(cpu_T[0], cpu_T[0]); |
3906 |
tcg_gen_ext16u_tl(cpu_T[1], cpu_T[1]); |
3907 |
/* XXX: use 32 bit mul which could be faster */
|
3908 |
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
3909 |
gen_op_mov_reg_T0(OT_WORD, R_EAX); |
3910 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
3911 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 16); |
3912 |
gen_op_mov_reg_T0(OT_WORD, R_EDX); |
3913 |
tcg_gen_mov_tl(cpu_cc_src, cpu_T[0]);
|
3914 |
s->cc_op = CC_OP_MULW; |
3915 |
break;
|
3916 |
default:
|
3917 |
case OT_LONG:
|
3918 |
#ifdef TARGET_X86_64
|
3919 |
gen_op_mov_TN_reg(OT_LONG, 1, R_EAX);
|
3920 |
tcg_gen_ext32u_tl(cpu_T[0], cpu_T[0]); |
3921 |
tcg_gen_ext32u_tl(cpu_T[1], cpu_T[1]); |
3922 |
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
3923 |
gen_op_mov_reg_T0(OT_LONG, R_EAX); |
3924 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
3925 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 32); |
3926 |
gen_op_mov_reg_T0(OT_LONG, R_EDX); |
3927 |
tcg_gen_mov_tl(cpu_cc_src, cpu_T[0]);
|
3928 |
#else
|
3929 |
{ |
3930 |
TCGv t0, t1; |
3931 |
t0 = tcg_temp_new(TCG_TYPE_I64); |
3932 |
t1 = tcg_temp_new(TCG_TYPE_I64); |
3933 |
gen_op_mov_TN_reg(OT_LONG, 1, R_EAX);
|
3934 |
tcg_gen_extu_i32_i64(t0, cpu_T[0]);
|
3935 |
tcg_gen_extu_i32_i64(t1, cpu_T[1]);
|
3936 |
tcg_gen_mul_i64(t0, t0, t1); |
3937 |
tcg_gen_trunc_i64_i32(cpu_T[0], t0);
|
3938 |
gen_op_mov_reg_T0(OT_LONG, R_EAX); |
3939 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
3940 |
tcg_gen_shri_i64(t0, t0, 32);
|
3941 |
tcg_gen_trunc_i64_i32(cpu_T[0], t0);
|
3942 |
gen_op_mov_reg_T0(OT_LONG, R_EDX); |
3943 |
tcg_gen_mov_tl(cpu_cc_src, cpu_T[0]);
|
3944 |
} |
3945 |
#endif
|
3946 |
s->cc_op = CC_OP_MULL; |
3947 |
break;
|
3948 |
#ifdef TARGET_X86_64
|
3949 |
case OT_QUAD:
|
3950 |
tcg_gen_helper_0_1(helper_mulq_EAX_T0, cpu_T[0]);
|
3951 |
s->cc_op = CC_OP_MULQ; |
3952 |
break;
|
3953 |
#endif
|
3954 |
} |
3955 |
break;
|
3956 |
case 5: /* imul */ |
3957 |
switch(ot) {
|
3958 |
case OT_BYTE:
|
3959 |
gen_op_mov_TN_reg(OT_BYTE, 1, R_EAX);
|
3960 |
tcg_gen_ext8s_tl(cpu_T[0], cpu_T[0]); |
3961 |
tcg_gen_ext8s_tl(cpu_T[1], cpu_T[1]); |
3962 |
/* XXX: use 32 bit mul which could be faster */
|
3963 |
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
3964 |
gen_op_mov_reg_T0(OT_WORD, R_EAX); |
3965 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
3966 |
tcg_gen_ext8s_tl(cpu_tmp0, cpu_T[0]);
|
3967 |
tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
|
3968 |
s->cc_op = CC_OP_MULB; |
3969 |
break;
|
3970 |
case OT_WORD:
|
3971 |
gen_op_mov_TN_reg(OT_WORD, 1, R_EAX);
|
3972 |
tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]); |
3973 |
tcg_gen_ext16s_tl(cpu_T[1], cpu_T[1]); |
3974 |
/* XXX: use 32 bit mul which could be faster */
|
3975 |
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
3976 |
gen_op_mov_reg_T0(OT_WORD, R_EAX); |
3977 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
3978 |
tcg_gen_ext16s_tl(cpu_tmp0, cpu_T[0]);
|
3979 |
tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
|
3980 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 16); |
3981 |
gen_op_mov_reg_T0(OT_WORD, R_EDX); |
3982 |
s->cc_op = CC_OP_MULW; |
3983 |
break;
|
3984 |
default:
|
3985 |
case OT_LONG:
|
3986 |
#ifdef TARGET_X86_64
|
3987 |
gen_op_mov_TN_reg(OT_LONG, 1, R_EAX);
|
3988 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
3989 |
tcg_gen_ext32s_tl(cpu_T[1], cpu_T[1]); |
3990 |
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
3991 |
gen_op_mov_reg_T0(OT_LONG, R_EAX); |
3992 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
3993 |
tcg_gen_ext32s_tl(cpu_tmp0, cpu_T[0]);
|
3994 |
tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
|
3995 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 32); |
3996 |
gen_op_mov_reg_T0(OT_LONG, R_EDX); |
3997 |
#else
|
3998 |
{ |
3999 |
TCGv t0, t1; |
4000 |
t0 = tcg_temp_new(TCG_TYPE_I64); |
4001 |
t1 = tcg_temp_new(TCG_TYPE_I64); |
4002 |
gen_op_mov_TN_reg(OT_LONG, 1, R_EAX);
|
4003 |
tcg_gen_ext_i32_i64(t0, cpu_T[0]);
|
4004 |
tcg_gen_ext_i32_i64(t1, cpu_T[1]);
|
4005 |
tcg_gen_mul_i64(t0, t0, t1); |
4006 |
tcg_gen_trunc_i64_i32(cpu_T[0], t0);
|
4007 |
gen_op_mov_reg_T0(OT_LONG, R_EAX); |
4008 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
4009 |
tcg_gen_sari_tl(cpu_tmp0, cpu_T[0], 31); |
4010 |
tcg_gen_shri_i64(t0, t0, 32);
|
4011 |
tcg_gen_trunc_i64_i32(cpu_T[0], t0);
|
4012 |
gen_op_mov_reg_T0(OT_LONG, R_EDX); |
4013 |
tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
|
4014 |
} |
4015 |
#endif
|
4016 |
s->cc_op = CC_OP_MULL; |
4017 |
break;
|
4018 |
#ifdef TARGET_X86_64
|
4019 |
case OT_QUAD:
|
4020 |
tcg_gen_helper_0_1(helper_imulq_EAX_T0, cpu_T[0]);
|
4021 |
s->cc_op = CC_OP_MULQ; |
4022 |
break;
|
4023 |
#endif
|
4024 |
} |
4025 |
break;
|
4026 |
case 6: /* div */ |
4027 |
switch(ot) {
|
4028 |
case OT_BYTE:
|
4029 |
gen_jmp_im(pc_start - s->cs_base); |
4030 |
tcg_gen_helper_0_1(helper_divb_AL, cpu_T[0]);
|
4031 |
break;
|
4032 |
case OT_WORD:
|
4033 |
gen_jmp_im(pc_start - s->cs_base); |
4034 |
tcg_gen_helper_0_1(helper_divw_AX, cpu_T[0]);
|
4035 |
break;
|
4036 |
default:
|
4037 |
case OT_LONG:
|
4038 |
gen_jmp_im(pc_start - s->cs_base); |
4039 |
tcg_gen_helper_0_1(helper_divl_EAX, cpu_T[0]);
|
4040 |
break;
|
4041 |
#ifdef TARGET_X86_64
|
4042 |
case OT_QUAD:
|
4043 |
gen_jmp_im(pc_start - s->cs_base); |
4044 |
tcg_gen_helper_0_1(helper_divq_EAX, cpu_T[0]);
|
4045 |
break;
|
4046 |
#endif
|
4047 |
} |
4048 |
break;
|
4049 |
case 7: /* idiv */ |
4050 |
switch(ot) {
|
4051 |
case OT_BYTE:
|
4052 |
gen_jmp_im(pc_start - s->cs_base); |
4053 |
tcg_gen_helper_0_1(helper_idivb_AL, cpu_T[0]);
|
4054 |
break;
|
4055 |
case OT_WORD:
|
4056 |
gen_jmp_im(pc_start - s->cs_base); |
4057 |
tcg_gen_helper_0_1(helper_idivw_AX, cpu_T[0]);
|
4058 |
break;
|
4059 |
default:
|
4060 |
case OT_LONG:
|
4061 |
gen_jmp_im(pc_start - s->cs_base); |
4062 |
tcg_gen_helper_0_1(helper_idivl_EAX, cpu_T[0]);
|
4063 |
break;
|
4064 |
#ifdef TARGET_X86_64
|
4065 |
case OT_QUAD:
|
4066 |
gen_jmp_im(pc_start - s->cs_base); |
4067 |
tcg_gen_helper_0_1(helper_idivq_EAX, cpu_T[0]);
|
4068 |
break;
|
4069 |
#endif
|
4070 |
} |
4071 |
break;
|
4072 |
default:
|
4073 |
goto illegal_op;
|
4074 |
} |
4075 |
break;
|
4076 |
|
4077 |
case 0xfe: /* GRP4 */ |
4078 |
case 0xff: /* GRP5 */ |
4079 |
if ((b & 1) == 0) |
4080 |
ot = OT_BYTE; |
4081 |
else
|
4082 |
ot = dflag + OT_WORD; |
4083 |
|
4084 |
modrm = ldub_code(s->pc++); |
4085 |
mod = (modrm >> 6) & 3; |
4086 |
rm = (modrm & 7) | REX_B(s);
|
4087 |
op = (modrm >> 3) & 7; |
4088 |
if (op >= 2 && b == 0xfe) { |
4089 |
goto illegal_op;
|
4090 |
} |
4091 |
if (CODE64(s)) {
|
4092 |
if (op == 2 || op == 4) { |
4093 |
/* operand size for jumps is 64 bit */
|
4094 |
ot = OT_QUAD; |
4095 |
} else if (op == 3 || op == 5) { |
4096 |
/* for call calls, the operand is 16 or 32 bit, even
|
4097 |
in long mode */
|
4098 |
ot = dflag ? OT_LONG : OT_WORD; |
4099 |
} else if (op == 6) { |
4100 |
/* default push size is 64 bit */
|
4101 |
ot = dflag ? OT_QUAD : OT_WORD; |
4102 |
} |
4103 |
} |
4104 |
if (mod != 3) { |
4105 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
4106 |
if (op >= 2 && op != 3 && op != 5) |
4107 |
gen_op_ld_T0_A0(ot + s->mem_index); |
4108 |
} else {
|
4109 |
gen_op_mov_TN_reg(ot, 0, rm);
|
4110 |
} |
4111 |
|
4112 |
switch(op) {
|
4113 |
case 0: /* inc Ev */ |
4114 |
if (mod != 3) |
4115 |
opreg = OR_TMP0; |
4116 |
else
|
4117 |
opreg = rm; |
4118 |
gen_inc(s, ot, opreg, 1);
|
4119 |
break;
|
4120 |
case 1: /* dec Ev */ |
4121 |
if (mod != 3) |
4122 |
opreg = OR_TMP0; |
4123 |
else
|
4124 |
opreg = rm; |
4125 |
gen_inc(s, ot, opreg, -1);
|
4126 |
break;
|
4127 |
case 2: /* call Ev */ |
4128 |
/* XXX: optimize if memory (no 'and' is necessary) */
|
4129 |
if (s->dflag == 0) |
4130 |
gen_op_andl_T0_ffff(); |
4131 |
next_eip = s->pc - s->cs_base; |
4132 |
gen_movtl_T1_im(next_eip); |
4133 |
gen_push_T1(s); |
4134 |
gen_op_jmp_T0(); |
4135 |
gen_eob(s); |
4136 |
break;
|
4137 |
case 3: /* lcall Ev */ |
4138 |
gen_op_ld_T1_A0(ot + s->mem_index); |
4139 |
gen_add_A0_im(s, 1 << (ot - OT_WORD + 1)); |
4140 |
gen_op_ldu_T0_A0(OT_WORD + s->mem_index); |
4141 |
do_lcall:
|
4142 |
if (s->pe && !s->vm86) {
|
4143 |
if (s->cc_op != CC_OP_DYNAMIC)
|
4144 |
gen_op_set_cc_op(s->cc_op); |
4145 |
gen_jmp_im(pc_start - s->cs_base); |
4146 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
4147 |
tcg_gen_helper_0_4(helper_lcall_protected, |
4148 |
cpu_tmp2_i32, cpu_T[1],
|
4149 |
tcg_const_i32(dflag), |
4150 |
tcg_const_i32(s->pc - pc_start)); |
4151 |
} else {
|
4152 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
4153 |
tcg_gen_helper_0_4(helper_lcall_real, |
4154 |
cpu_tmp2_i32, cpu_T[1],
|
4155 |
tcg_const_i32(dflag), |
4156 |
tcg_const_i32(s->pc - s->cs_base)); |
4157 |
} |
4158 |
gen_eob(s); |
4159 |
break;
|
4160 |
case 4: /* jmp Ev */ |
4161 |
if (s->dflag == 0) |
4162 |
gen_op_andl_T0_ffff(); |
4163 |
gen_op_jmp_T0(); |
4164 |
gen_eob(s); |
4165 |
break;
|
4166 |
case 5: /* ljmp Ev */ |
4167 |
gen_op_ld_T1_A0(ot + s->mem_index); |
4168 |
gen_add_A0_im(s, 1 << (ot - OT_WORD + 1)); |
4169 |
gen_op_ldu_T0_A0(OT_WORD + s->mem_index); |
4170 |
do_ljmp:
|
4171 |
if (s->pe && !s->vm86) {
|
4172 |
if (s->cc_op != CC_OP_DYNAMIC)
|
4173 |
gen_op_set_cc_op(s->cc_op); |
4174 |
gen_jmp_im(pc_start - s->cs_base); |
4175 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
4176 |
tcg_gen_helper_0_3(helper_ljmp_protected, |
4177 |
cpu_tmp2_i32, |
4178 |
cpu_T[1],
|
4179 |
tcg_const_i32(s->pc - pc_start)); |
4180 |
} else {
|
4181 |
gen_op_movl_seg_T0_vm(R_CS); |
4182 |
gen_op_movl_T0_T1(); |
4183 |
gen_op_jmp_T0(); |
4184 |
} |
4185 |
gen_eob(s); |
4186 |
break;
|
4187 |
case 6: /* push Ev */ |
4188 |
gen_push_T0(s); |
4189 |
break;
|
4190 |
default:
|
4191 |
goto illegal_op;
|
4192 |
} |
4193 |
break;
|
4194 |
|
4195 |
case 0x84: /* test Ev, Gv */ |
4196 |
case 0x85: |
4197 |
if ((b & 1) == 0) |
4198 |
ot = OT_BYTE; |
4199 |
else
|
4200 |
ot = dflag + OT_WORD; |
4201 |
|
4202 |
modrm = ldub_code(s->pc++); |
4203 |
mod = (modrm >> 6) & 3; |
4204 |
rm = (modrm & 7) | REX_B(s);
|
4205 |
reg = ((modrm >> 3) & 7) | rex_r; |
4206 |
|
4207 |
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
|
4208 |
gen_op_mov_TN_reg(ot, 1, reg);
|
4209 |
gen_op_testl_T0_T1_cc(); |
4210 |
s->cc_op = CC_OP_LOGICB + ot; |
4211 |
break;
|
4212 |
|
4213 |
case 0xa8: /* test eAX, Iv */ |
4214 |
case 0xa9: |
4215 |
if ((b & 1) == 0) |
4216 |
ot = OT_BYTE; |
4217 |
else
|
4218 |
ot = dflag + OT_WORD; |
4219 |
val = insn_get(s, ot); |
4220 |
|
4221 |
gen_op_mov_TN_reg(ot, 0, OR_EAX);
|
4222 |
gen_op_movl_T1_im(val); |
4223 |
gen_op_testl_T0_T1_cc(); |
4224 |
s->cc_op = CC_OP_LOGICB + ot; |
4225 |
break;
|
4226 |
|
4227 |
case 0x98: /* CWDE/CBW */ |
4228 |
#ifdef TARGET_X86_64
|
4229 |
if (dflag == 2) { |
4230 |
gen_op_mov_TN_reg(OT_LONG, 0, R_EAX);
|
4231 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
4232 |
gen_op_mov_reg_T0(OT_QUAD, R_EAX); |
4233 |
} else
|
4234 |
#endif
|
4235 |
if (dflag == 1) { |
4236 |
gen_op_mov_TN_reg(OT_WORD, 0, R_EAX);
|
4237 |
tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]); |
4238 |
gen_op_mov_reg_T0(OT_LONG, R_EAX); |
4239 |
} else {
|
4240 |
gen_op_mov_TN_reg(OT_BYTE, 0, R_EAX);
|
4241 |
tcg_gen_ext8s_tl(cpu_T[0], cpu_T[0]); |
4242 |
gen_op_mov_reg_T0(OT_WORD, R_EAX); |
4243 |
} |
4244 |
break;
|
4245 |
case 0x99: /* CDQ/CWD */ |
4246 |
#ifdef TARGET_X86_64
|
4247 |
if (dflag == 2) { |
4248 |
gen_op_mov_TN_reg(OT_QUAD, 0, R_EAX);
|
4249 |
tcg_gen_sari_tl(cpu_T[0], cpu_T[0], 63); |
4250 |
gen_op_mov_reg_T0(OT_QUAD, R_EDX); |
4251 |
} else
|
4252 |
#endif
|
4253 |
if (dflag == 1) { |
4254 |
gen_op_mov_TN_reg(OT_LONG, 0, R_EAX);
|
4255 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
4256 |
tcg_gen_sari_tl(cpu_T[0], cpu_T[0], 31); |
4257 |
gen_op_mov_reg_T0(OT_LONG, R_EDX); |
4258 |
} else {
|
4259 |
gen_op_mov_TN_reg(OT_WORD, 0, R_EAX);
|
4260 |
tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]); |
4261 |
tcg_gen_sari_tl(cpu_T[0], cpu_T[0], 15); |
4262 |
gen_op_mov_reg_T0(OT_WORD, R_EDX); |
4263 |
} |
4264 |
break;
|
4265 |
case 0x1af: /* imul Gv, Ev */ |
4266 |
case 0x69: /* imul Gv, Ev, I */ |
4267 |
case 0x6b: |
4268 |
ot = dflag + OT_WORD; |
4269 |
modrm = ldub_code(s->pc++); |
4270 |
reg = ((modrm >> 3) & 7) | rex_r; |
4271 |
if (b == 0x69) |
4272 |
s->rip_offset = insn_const_size(ot); |
4273 |
else if (b == 0x6b) |
4274 |
s->rip_offset = 1;
|
4275 |
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
|
4276 |
if (b == 0x69) { |
4277 |
val = insn_get(s, ot); |
4278 |
gen_op_movl_T1_im(val); |
4279 |
} else if (b == 0x6b) { |
4280 |
val = (int8_t)insn_get(s, OT_BYTE); |
4281 |
gen_op_movl_T1_im(val); |
4282 |
} else {
|
4283 |
gen_op_mov_TN_reg(ot, 1, reg);
|
4284 |
} |
4285 |
|
4286 |
#ifdef TARGET_X86_64
|
4287 |
if (ot == OT_QUAD) {
|
4288 |
tcg_gen_helper_1_2(helper_imulq_T0_T1, cpu_T[0], cpu_T[0], cpu_T[1]); |
4289 |
} else
|
4290 |
#endif
|
4291 |
if (ot == OT_LONG) {
|
4292 |
#ifdef TARGET_X86_64
|
4293 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
4294 |
tcg_gen_ext32s_tl(cpu_T[1], cpu_T[1]); |
4295 |
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
4296 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
4297 |
tcg_gen_ext32s_tl(cpu_tmp0, cpu_T[0]);
|
4298 |
tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
|
4299 |
#else
|
4300 |
{ |
4301 |
TCGv t0, t1; |
4302 |
t0 = tcg_temp_new(TCG_TYPE_I64); |
4303 |
t1 = tcg_temp_new(TCG_TYPE_I64); |
4304 |
tcg_gen_ext_i32_i64(t0, cpu_T[0]);
|
4305 |
tcg_gen_ext_i32_i64(t1, cpu_T[1]);
|
4306 |
tcg_gen_mul_i64(t0, t0, t1); |
4307 |
tcg_gen_trunc_i64_i32(cpu_T[0], t0);
|
4308 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
4309 |
tcg_gen_sari_tl(cpu_tmp0, cpu_T[0], 31); |
4310 |
tcg_gen_shri_i64(t0, t0, 32);
|
4311 |
tcg_gen_trunc_i64_i32(cpu_T[1], t0);
|
4312 |
tcg_gen_sub_tl(cpu_cc_src, cpu_T[1], cpu_tmp0);
|
4313 |
} |
4314 |
#endif
|
4315 |
} else {
|
4316 |
tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]); |
4317 |
tcg_gen_ext16s_tl(cpu_T[1], cpu_T[1]); |
4318 |
/* XXX: use 32 bit mul which could be faster */
|
4319 |
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
4320 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
4321 |
tcg_gen_ext16s_tl(cpu_tmp0, cpu_T[0]);
|
4322 |
tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
|
4323 |
} |
4324 |
gen_op_mov_reg_T0(ot, reg); |
4325 |
s->cc_op = CC_OP_MULB + ot; |
4326 |
break;
|
4327 |
case 0x1c0: |
4328 |
case 0x1c1: /* xadd Ev, Gv */ |
4329 |
if ((b & 1) == 0) |
4330 |
ot = OT_BYTE; |
4331 |
else
|
4332 |
ot = dflag + OT_WORD; |
4333 |
modrm = ldub_code(s->pc++); |
4334 |
reg = ((modrm >> 3) & 7) | rex_r; |
4335 |
mod = (modrm >> 6) & 3; |
4336 |
if (mod == 3) { |
4337 |
rm = (modrm & 7) | REX_B(s);
|
4338 |
gen_op_mov_TN_reg(ot, 0, reg);
|
4339 |
gen_op_mov_TN_reg(ot, 1, rm);
|
4340 |
gen_op_addl_T0_T1(); |
4341 |
gen_op_mov_reg_T1(ot, reg); |
4342 |
gen_op_mov_reg_T0(ot, rm); |
4343 |
} else {
|
4344 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
4345 |
gen_op_mov_TN_reg(ot, 0, reg);
|
4346 |
gen_op_ld_T1_A0(ot + s->mem_index); |
4347 |
gen_op_addl_T0_T1(); |
4348 |
gen_op_st_T0_A0(ot + s->mem_index); |
4349 |
gen_op_mov_reg_T1(ot, reg); |
4350 |
} |
4351 |
gen_op_update2_cc(); |
4352 |
s->cc_op = CC_OP_ADDB + ot; |
4353 |
break;
|
4354 |
case 0x1b0: |
4355 |
case 0x1b1: /* cmpxchg Ev, Gv */ |
4356 |
{ |
4357 |
int label1, label2;
|
4358 |
TCGv t0, t1, t2, a0; |
4359 |
|
4360 |
if ((b & 1) == 0) |
4361 |
ot = OT_BYTE; |
4362 |
else
|
4363 |
ot = dflag + OT_WORD; |
4364 |
modrm = ldub_code(s->pc++); |
4365 |
reg = ((modrm >> 3) & 7) | rex_r; |
4366 |
mod = (modrm >> 6) & 3; |
4367 |
t0 = tcg_temp_local_new(TCG_TYPE_TL); |
4368 |
t1 = tcg_temp_local_new(TCG_TYPE_TL); |
4369 |
t2 = tcg_temp_local_new(TCG_TYPE_TL); |
4370 |
a0 = tcg_temp_local_new(TCG_TYPE_TL); |
4371 |
gen_op_mov_v_reg(ot, t1, reg); |
4372 |
if (mod == 3) { |
4373 |
rm = (modrm & 7) | REX_B(s);
|
4374 |
gen_op_mov_v_reg(ot, t0, rm); |
4375 |
} else {
|
4376 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
4377 |
tcg_gen_mov_tl(a0, cpu_A0); |
4378 |
gen_op_ld_v(ot + s->mem_index, t0, a0); |
4379 |
rm = 0; /* avoid warning */ |
4380 |
} |
4381 |
label1 = gen_new_label(); |
4382 |
tcg_gen_ld_tl(t2, cpu_env, offsetof(CPUState, regs[R_EAX])); |
4383 |
tcg_gen_sub_tl(t2, t2, t0); |
4384 |
gen_extu(ot, t2); |
4385 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, label1);
|
4386 |
if (mod == 3) { |
4387 |
label2 = gen_new_label(); |
4388 |
gen_op_mov_reg_v(ot, R_EAX, t0); |
4389 |
tcg_gen_br(label2); |
4390 |
gen_set_label(label1); |
4391 |
gen_op_mov_reg_v(ot, rm, t1); |
4392 |
gen_set_label(label2); |
4393 |
} else {
|
4394 |
tcg_gen_mov_tl(t1, t0); |
4395 |
gen_op_mov_reg_v(ot, R_EAX, t0); |
4396 |
gen_set_label(label1); |
4397 |
/* always store */
|
4398 |
gen_op_st_v(ot + s->mem_index, t1, a0); |
4399 |
} |
4400 |
tcg_gen_mov_tl(cpu_cc_src, t0); |
4401 |
tcg_gen_mov_tl(cpu_cc_dst, t2); |
4402 |
s->cc_op = CC_OP_SUBB + ot; |
4403 |
tcg_temp_free(t0); |
4404 |
tcg_temp_free(t1); |
4405 |
tcg_temp_free(t2); |
4406 |
tcg_temp_free(a0); |
4407 |
} |
4408 |
break;
|
4409 |
case 0x1c7: /* cmpxchg8b */ |
4410 |
modrm = ldub_code(s->pc++); |
4411 |
mod = (modrm >> 6) & 3; |
4412 |
if ((mod == 3) || ((modrm & 0x38) != 0x8)) |
4413 |
goto illegal_op;
|
4414 |
#ifdef TARGET_X86_64
|
4415 |
if (dflag == 2) { |
4416 |
if (!(s->cpuid_ext_features & CPUID_EXT_CX16))
|
4417 |
goto illegal_op;
|
4418 |
gen_jmp_im(pc_start - s->cs_base); |
4419 |
if (s->cc_op != CC_OP_DYNAMIC)
|
4420 |
gen_op_set_cc_op(s->cc_op); |
4421 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
4422 |
tcg_gen_helper_0_1(helper_cmpxchg16b, cpu_A0); |
4423 |
} else
|
4424 |
#endif
|
4425 |
{ |
4426 |
if (!(s->cpuid_features & CPUID_CX8))
|
4427 |
goto illegal_op;
|
4428 |
gen_jmp_im(pc_start - s->cs_base); |
4429 |
if (s->cc_op != CC_OP_DYNAMIC)
|
4430 |
gen_op_set_cc_op(s->cc_op); |
4431 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
4432 |
tcg_gen_helper_0_1(helper_cmpxchg8b, cpu_A0); |
4433 |
} |
4434 |
s->cc_op = CC_OP_EFLAGS; |
4435 |
break;
|
4436 |
|
4437 |
/**************************/
|
4438 |
/* push/pop */
|
4439 |
case 0x50 ... 0x57: /* push */ |
4440 |
gen_op_mov_TN_reg(OT_LONG, 0, (b & 7) | REX_B(s)); |
4441 |
gen_push_T0(s); |
4442 |
break;
|
4443 |
case 0x58 ... 0x5f: /* pop */ |
4444 |
if (CODE64(s)) {
|
4445 |
ot = dflag ? OT_QUAD : OT_WORD; |
4446 |
} else {
|
4447 |
ot = dflag + OT_WORD; |
4448 |
} |
4449 |
gen_pop_T0(s); |
4450 |
/* NOTE: order is important for pop %sp */
|
4451 |
gen_pop_update(s); |
4452 |
gen_op_mov_reg_T0(ot, (b & 7) | REX_B(s));
|
4453 |
break;
|
4454 |
case 0x60: /* pusha */ |
4455 |
if (CODE64(s))
|
4456 |
goto illegal_op;
|
4457 |
gen_pusha(s); |
4458 |
break;
|
4459 |
case 0x61: /* popa */ |
4460 |
if (CODE64(s))
|
4461 |
goto illegal_op;
|
4462 |
gen_popa(s); |
4463 |
break;
|
4464 |
case 0x68: /* push Iv */ |
4465 |
case 0x6a: |
4466 |
if (CODE64(s)) {
|
4467 |
ot = dflag ? OT_QUAD : OT_WORD; |
4468 |
} else {
|
4469 |
ot = dflag + OT_WORD; |
4470 |
} |
4471 |
if (b == 0x68) |
4472 |
val = insn_get(s, ot); |
4473 |
else
|
4474 |
val = (int8_t)insn_get(s, OT_BYTE); |
4475 |
gen_op_movl_T0_im(val); |
4476 |
gen_push_T0(s); |
4477 |
break;
|
4478 |
case 0x8f: /* pop Ev */ |
4479 |
if (CODE64(s)) {
|
4480 |
ot = dflag ? OT_QUAD : OT_WORD; |
4481 |
} else {
|
4482 |
ot = dflag + OT_WORD; |
4483 |
} |
4484 |
modrm = ldub_code(s->pc++); |
4485 |
mod = (modrm >> 6) & 3; |
4486 |
gen_pop_T0(s); |
4487 |
if (mod == 3) { |
4488 |
/* NOTE: order is important for pop %sp */
|
4489 |
gen_pop_update(s); |
4490 |
rm = (modrm & 7) | REX_B(s);
|
4491 |
gen_op_mov_reg_T0(ot, rm); |
4492 |
} else {
|
4493 |
/* NOTE: order is important too for MMU exceptions */
|
4494 |
s->popl_esp_hack = 1 << ot;
|
4495 |
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1);
|
4496 |
s->popl_esp_hack = 0;
|
4497 |
gen_pop_update(s); |
4498 |
} |
4499 |
break;
|
4500 |
case 0xc8: /* enter */ |
4501 |
{ |
4502 |
int level;
|
4503 |
val = lduw_code(s->pc); |
4504 |
s->pc += 2;
|
4505 |
level = ldub_code(s->pc++); |
4506 |
gen_enter(s, val, level); |
4507 |
} |
4508 |
break;
|
4509 |
case 0xc9: /* leave */ |
4510 |
/* XXX: exception not precise (ESP is updated before potential exception) */
|
4511 |
if (CODE64(s)) {
|
4512 |
gen_op_mov_TN_reg(OT_QUAD, 0, R_EBP);
|
4513 |
gen_op_mov_reg_T0(OT_QUAD, R_ESP); |
4514 |
} else if (s->ss32) { |
4515 |
gen_op_mov_TN_reg(OT_LONG, 0, R_EBP);
|
4516 |
gen_op_mov_reg_T0(OT_LONG, R_ESP); |
4517 |
} else {
|
4518 |
gen_op_mov_TN_reg(OT_WORD, 0, R_EBP);
|
4519 |
gen_op_mov_reg_T0(OT_WORD, R_ESP); |
4520 |
} |
4521 |
gen_pop_T0(s); |
4522 |
if (CODE64(s)) {
|
4523 |
ot = dflag ? OT_QUAD : OT_WORD; |
4524 |
} else {
|
4525 |
ot = dflag + OT_WORD; |
4526 |
} |
4527 |
gen_op_mov_reg_T0(ot, R_EBP); |
4528 |
gen_pop_update(s); |
4529 |
break;
|
4530 |
case 0x06: /* push es */ |
4531 |
case 0x0e: /* push cs */ |
4532 |
case 0x16: /* push ss */ |
4533 |
case 0x1e: /* push ds */ |
4534 |
if (CODE64(s))
|
4535 |
goto illegal_op;
|
4536 |
gen_op_movl_T0_seg(b >> 3);
|
4537 |
gen_push_T0(s); |
4538 |
break;
|
4539 |
case 0x1a0: /* push fs */ |
4540 |
case 0x1a8: /* push gs */ |
4541 |
gen_op_movl_T0_seg((b >> 3) & 7); |
4542 |
gen_push_T0(s); |
4543 |
break;
|
4544 |
case 0x07: /* pop es */ |
4545 |
case 0x17: /* pop ss */ |
4546 |
case 0x1f: /* pop ds */ |
4547 |
if (CODE64(s))
|
4548 |
goto illegal_op;
|
4549 |
reg = b >> 3;
|
4550 |
gen_pop_T0(s); |
4551 |
gen_movl_seg_T0(s, reg, pc_start - s->cs_base); |
4552 |
gen_pop_update(s); |
4553 |
if (reg == R_SS) {
|
4554 |
/* if reg == SS, inhibit interrupts/trace. */
|
4555 |
/* If several instructions disable interrupts, only the
|
4556 |
_first_ does it */
|
4557 |
if (!(s->tb->flags & HF_INHIBIT_IRQ_MASK))
|
4558 |
tcg_gen_helper_0_0(helper_set_inhibit_irq); |
4559 |
s->tf = 0;
|
4560 |
} |
4561 |
if (s->is_jmp) {
|
4562 |
gen_jmp_im(s->pc - s->cs_base); |
4563 |
gen_eob(s); |
4564 |
} |
4565 |
break;
|
4566 |
case 0x1a1: /* pop fs */ |
4567 |
case 0x1a9: /* pop gs */ |
4568 |
gen_pop_T0(s); |
4569 |
gen_movl_seg_T0(s, (b >> 3) & 7, pc_start - s->cs_base); |
4570 |
gen_pop_update(s); |
4571 |
if (s->is_jmp) {
|
4572 |
gen_jmp_im(s->pc - s->cs_base); |
4573 |
gen_eob(s); |
4574 |
} |
4575 |
break;
|
4576 |
|
4577 |
/**************************/
|
4578 |
/* mov */
|
4579 |
case 0x88: |
4580 |
case 0x89: /* mov Gv, Ev */ |
4581 |
if ((b & 1) == 0) |
4582 |
ot = OT_BYTE; |
4583 |
else
|
4584 |
ot = dflag + OT_WORD; |
4585 |
modrm = ldub_code(s->pc++); |
4586 |
reg = ((modrm >> 3) & 7) | rex_r; |
4587 |
|
4588 |
/* generate a generic store */
|
4589 |
gen_ldst_modrm(s, modrm, ot, reg, 1);
|
4590 |
break;
|
4591 |
case 0xc6: |
4592 |
case 0xc7: /* mov Ev, Iv */ |
4593 |
if ((b & 1) == 0) |
4594 |
ot = OT_BYTE; |
4595 |
else
|
4596 |
ot = dflag + OT_WORD; |
4597 |
modrm = ldub_code(s->pc++); |
4598 |
mod = (modrm >> 6) & 3; |
4599 |
if (mod != 3) { |
4600 |
s->rip_offset = insn_const_size(ot); |
4601 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
4602 |
} |
4603 |
val = insn_get(s, ot); |
4604 |
gen_op_movl_T0_im(val); |
4605 |
if (mod != 3) |
4606 |
gen_op_st_T0_A0(ot + s->mem_index); |
4607 |
else
|
4608 |
gen_op_mov_reg_T0(ot, (modrm & 7) | REX_B(s));
|
4609 |
break;
|
4610 |
case 0x8a: |
4611 |
case 0x8b: /* mov Ev, Gv */ |
4612 |
if ((b & 1) == 0) |
4613 |
ot = OT_BYTE; |
4614 |
else
|
4615 |
ot = OT_WORD + dflag; |
4616 |
modrm = ldub_code(s->pc++); |
4617 |
reg = ((modrm >> 3) & 7) | rex_r; |
4618 |
|
4619 |
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
|
4620 |
gen_op_mov_reg_T0(ot, reg); |
4621 |
break;
|
4622 |
case 0x8e: /* mov seg, Gv */ |
4623 |
modrm = ldub_code(s->pc++); |
4624 |
reg = (modrm >> 3) & 7; |
4625 |
if (reg >= 6 || reg == R_CS) |
4626 |
goto illegal_op;
|
4627 |
gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
|
4628 |
gen_movl_seg_T0(s, reg, pc_start - s->cs_base); |
4629 |
if (reg == R_SS) {
|
4630 |
/* if reg == SS, inhibit interrupts/trace */
|
4631 |
/* If several instructions disable interrupts, only the
|
4632 |
_first_ does it */
|
4633 |
if (!(s->tb->flags & HF_INHIBIT_IRQ_MASK))
|
4634 |
tcg_gen_helper_0_0(helper_set_inhibit_irq); |
4635 |
s->tf = 0;
|
4636 |
} |
4637 |
if (s->is_jmp) {
|
4638 |
gen_jmp_im(s->pc - s->cs_base); |
4639 |
gen_eob(s); |
4640 |
} |
4641 |
break;
|
4642 |
case 0x8c: /* mov Gv, seg */ |
4643 |
modrm = ldub_code(s->pc++); |
4644 |
reg = (modrm >> 3) & 7; |
4645 |
mod = (modrm >> 6) & 3; |
4646 |
if (reg >= 6) |
4647 |
goto illegal_op;
|
4648 |
gen_op_movl_T0_seg(reg); |
4649 |
if (mod == 3) |
4650 |
ot = OT_WORD + dflag; |
4651 |
else
|
4652 |
ot = OT_WORD; |
4653 |
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1);
|
4654 |
break;
|
4655 |
|
4656 |
case 0x1b6: /* movzbS Gv, Eb */ |
4657 |
case 0x1b7: /* movzwS Gv, Eb */ |
4658 |
case 0x1be: /* movsbS Gv, Eb */ |
4659 |
case 0x1bf: /* movswS Gv, Eb */ |
4660 |
{ |
4661 |
int d_ot;
|
4662 |
/* d_ot is the size of destination */
|
4663 |
d_ot = dflag + OT_WORD; |
4664 |
/* ot is the size of source */
|
4665 |
ot = (b & 1) + OT_BYTE;
|
4666 |
modrm = ldub_code(s->pc++); |
4667 |
reg = ((modrm >> 3) & 7) | rex_r; |
4668 |
mod = (modrm >> 6) & 3; |
4669 |
rm = (modrm & 7) | REX_B(s);
|
4670 |
|
4671 |
if (mod == 3) { |
4672 |
gen_op_mov_TN_reg(ot, 0, rm);
|
4673 |
switch(ot | (b & 8)) { |
4674 |
case OT_BYTE:
|
4675 |
tcg_gen_ext8u_tl(cpu_T[0], cpu_T[0]); |
4676 |
break;
|
4677 |
case OT_BYTE | 8: |
4678 |
tcg_gen_ext8s_tl(cpu_T[0], cpu_T[0]); |
4679 |
break;
|
4680 |
case OT_WORD:
|
4681 |
tcg_gen_ext16u_tl(cpu_T[0], cpu_T[0]); |
4682 |
break;
|
4683 |
default:
|
4684 |
case OT_WORD | 8: |
4685 |
tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]); |
4686 |
break;
|
4687 |
} |
4688 |
gen_op_mov_reg_T0(d_ot, reg); |
4689 |
} else {
|
4690 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
4691 |
if (b & 8) { |
4692 |
gen_op_lds_T0_A0(ot + s->mem_index); |
4693 |
} else {
|
4694 |
gen_op_ldu_T0_A0(ot + s->mem_index); |
4695 |
} |
4696 |
gen_op_mov_reg_T0(d_ot, reg); |
4697 |
} |
4698 |
} |
4699 |
break;
|
4700 |
|
4701 |
case 0x8d: /* lea */ |
4702 |
ot = dflag + OT_WORD; |
4703 |
modrm = ldub_code(s->pc++); |
4704 |
mod = (modrm >> 6) & 3; |
4705 |
if (mod == 3) |
4706 |
goto illegal_op;
|
4707 |
reg = ((modrm >> 3) & 7) | rex_r; |
4708 |
/* we must ensure that no segment is added */
|
4709 |
s->override = -1;
|
4710 |
val = s->addseg; |
4711 |
s->addseg = 0;
|
4712 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
4713 |
s->addseg = val; |
4714 |
gen_op_mov_reg_A0(ot - OT_WORD, reg); |
4715 |
break;
|
4716 |
|
4717 |
case 0xa0: /* mov EAX, Ov */ |
4718 |
case 0xa1: |
4719 |
case 0xa2: /* mov Ov, EAX */ |
4720 |
case 0xa3: |
4721 |
{ |
4722 |
target_ulong offset_addr; |
4723 |
|
4724 |
if ((b & 1) == 0) |
4725 |
ot = OT_BYTE; |
4726 |
else
|
4727 |
ot = dflag + OT_WORD; |
4728 |
#ifdef TARGET_X86_64
|
4729 |
if (s->aflag == 2) { |
4730 |
offset_addr = ldq_code(s->pc); |
4731 |
s->pc += 8;
|
4732 |
gen_op_movq_A0_im(offset_addr); |
4733 |
} else
|
4734 |
#endif
|
4735 |
{ |
4736 |
if (s->aflag) {
|
4737 |
offset_addr = insn_get(s, OT_LONG); |
4738 |
} else {
|
4739 |
offset_addr = insn_get(s, OT_WORD); |
4740 |
} |
4741 |
gen_op_movl_A0_im(offset_addr); |
4742 |
} |
4743 |
gen_add_A0_ds_seg(s); |
4744 |
if ((b & 2) == 0) { |
4745 |
gen_op_ld_T0_A0(ot + s->mem_index); |
4746 |
gen_op_mov_reg_T0(ot, R_EAX); |
4747 |
} else {
|
4748 |
gen_op_mov_TN_reg(ot, 0, R_EAX);
|
4749 |
gen_op_st_T0_A0(ot + s->mem_index); |
4750 |
} |
4751 |
} |
4752 |
break;
|
4753 |
case 0xd7: /* xlat */ |
4754 |
#ifdef TARGET_X86_64
|
4755 |
if (s->aflag == 2) { |
4756 |
gen_op_movq_A0_reg(R_EBX); |
4757 |
gen_op_mov_TN_reg(OT_QUAD, 0, R_EAX);
|
4758 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xff); |
4759 |
tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_T[0]);
|
4760 |
} else
|
4761 |
#endif
|
4762 |
{ |
4763 |
gen_op_movl_A0_reg(R_EBX); |
4764 |
gen_op_mov_TN_reg(OT_LONG, 0, R_EAX);
|
4765 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xff); |
4766 |
tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_T[0]);
|
4767 |
if (s->aflag == 0) |
4768 |
gen_op_andl_A0_ffff(); |
4769 |
else
|
4770 |
tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffffffff);
|
4771 |
} |
4772 |
gen_add_A0_ds_seg(s); |
4773 |
gen_op_ldu_T0_A0(OT_BYTE + s->mem_index); |
4774 |
gen_op_mov_reg_T0(OT_BYTE, R_EAX); |
4775 |
break;
|
4776 |
case 0xb0 ... 0xb7: /* mov R, Ib */ |
4777 |
val = insn_get(s, OT_BYTE); |
4778 |
gen_op_movl_T0_im(val); |
4779 |
gen_op_mov_reg_T0(OT_BYTE, (b & 7) | REX_B(s));
|
4780 |
break;
|
4781 |
case 0xb8 ... 0xbf: /* mov R, Iv */ |
4782 |
#ifdef TARGET_X86_64
|
4783 |
if (dflag == 2) { |
4784 |
uint64_t tmp; |
4785 |
/* 64 bit case */
|
4786 |
tmp = ldq_code(s->pc); |
4787 |
s->pc += 8;
|
4788 |
reg = (b & 7) | REX_B(s);
|
4789 |
gen_movtl_T0_im(tmp); |
4790 |
gen_op_mov_reg_T0(OT_QUAD, reg); |
4791 |
} else
|
4792 |
#endif
|
4793 |
{ |
4794 |
ot = dflag ? OT_LONG : OT_WORD; |
4795 |
val = insn_get(s, ot); |
4796 |
reg = (b & 7) | REX_B(s);
|
4797 |
gen_op_movl_T0_im(val); |
4798 |
gen_op_mov_reg_T0(ot, reg); |
4799 |
} |
4800 |
break;
|
4801 |
|
4802 |
case 0x91 ... 0x97: /* xchg R, EAX */ |
4803 |
ot = dflag + OT_WORD; |
4804 |
reg = (b & 7) | REX_B(s);
|
4805 |
rm = R_EAX; |
4806 |
goto do_xchg_reg;
|
4807 |
case 0x86: |
4808 |
case 0x87: /* xchg Ev, Gv */ |
4809 |
if ((b & 1) == 0) |
4810 |
ot = OT_BYTE; |
4811 |
else
|
4812 |
ot = dflag + OT_WORD; |
4813 |
modrm = ldub_code(s->pc++); |
4814 |
reg = ((modrm >> 3) & 7) | rex_r; |
4815 |
mod = (modrm >> 6) & 3; |
4816 |
if (mod == 3) { |
4817 |
rm = (modrm & 7) | REX_B(s);
|
4818 |
do_xchg_reg:
|
4819 |
gen_op_mov_TN_reg(ot, 0, reg);
|
4820 |
gen_op_mov_TN_reg(ot, 1, rm);
|
4821 |
gen_op_mov_reg_T0(ot, rm); |
4822 |
gen_op_mov_reg_T1(ot, reg); |
4823 |
} else {
|
4824 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
4825 |
gen_op_mov_TN_reg(ot, 0, reg);
|
4826 |
/* for xchg, lock is implicit */
|
4827 |
if (!(prefixes & PREFIX_LOCK))
|
4828 |
tcg_gen_helper_0_0(helper_lock); |
4829 |
gen_op_ld_T1_A0(ot + s->mem_index); |
4830 |
gen_op_st_T0_A0(ot + s->mem_index); |
4831 |
if (!(prefixes & PREFIX_LOCK))
|
4832 |
tcg_gen_helper_0_0(helper_unlock); |
4833 |
gen_op_mov_reg_T1(ot, reg); |
4834 |
} |
4835 |
break;
|
4836 |
case 0xc4: /* les Gv */ |
4837 |
if (CODE64(s))
|
4838 |
goto illegal_op;
|
4839 |
op = R_ES; |
4840 |
goto do_lxx;
|
4841 |
case 0xc5: /* lds Gv */ |
4842 |
if (CODE64(s))
|
4843 |
goto illegal_op;
|
4844 |
op = R_DS; |
4845 |
goto do_lxx;
|
4846 |
case 0x1b2: /* lss Gv */ |
4847 |
op = R_SS; |
4848 |
goto do_lxx;
|
4849 |
case 0x1b4: /* lfs Gv */ |
4850 |
op = R_FS; |
4851 |
goto do_lxx;
|
4852 |
case 0x1b5: /* lgs Gv */ |
4853 |
op = R_GS; |
4854 |
do_lxx:
|
4855 |
ot = dflag ? OT_LONG : OT_WORD; |
4856 |
modrm = ldub_code(s->pc++); |
4857 |
reg = ((modrm >> 3) & 7) | rex_r; |
4858 |
mod = (modrm >> 6) & 3; |
4859 |
if (mod == 3) |
4860 |
goto illegal_op;
|
4861 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
4862 |
gen_op_ld_T1_A0(ot + s->mem_index); |
4863 |
gen_add_A0_im(s, 1 << (ot - OT_WORD + 1)); |
4864 |
/* load the segment first to handle exceptions properly */
|
4865 |
gen_op_ldu_T0_A0(OT_WORD + s->mem_index); |
4866 |
gen_movl_seg_T0(s, op, pc_start - s->cs_base); |
4867 |
/* then put the data */
|
4868 |
gen_op_mov_reg_T1(ot, reg); |
4869 |
if (s->is_jmp) {
|
4870 |
gen_jmp_im(s->pc - s->cs_base); |
4871 |
gen_eob(s); |
4872 |
} |
4873 |
break;
|
4874 |
|
4875 |
/************************/
|
4876 |
/* shifts */
|
4877 |
case 0xc0: |
4878 |
case 0xc1: |
4879 |
/* shift Ev,Ib */
|
4880 |
shift = 2;
|
4881 |
grp2:
|
4882 |
{ |
4883 |
if ((b & 1) == 0) |
4884 |
ot = OT_BYTE; |
4885 |
else
|
4886 |
ot = dflag + OT_WORD; |
4887 |
|
4888 |
modrm = ldub_code(s->pc++); |
4889 |
mod = (modrm >> 6) & 3; |
4890 |
op = (modrm >> 3) & 7; |
4891 |
|
4892 |
if (mod != 3) { |
4893 |
if (shift == 2) { |
4894 |
s->rip_offset = 1;
|
4895 |
} |
4896 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
4897 |
opreg = OR_TMP0; |
4898 |
} else {
|
4899 |
opreg = (modrm & 7) | REX_B(s);
|
4900 |
} |
4901 |
|
4902 |
/* simpler op */
|
4903 |
if (shift == 0) { |
4904 |
gen_shift(s, op, ot, opreg, OR_ECX); |
4905 |
} else {
|
4906 |
if (shift == 2) { |
4907 |
shift = ldub_code(s->pc++); |
4908 |
} |
4909 |
gen_shifti(s, op, ot, opreg, shift); |
4910 |
} |
4911 |
} |
4912 |
break;
|
4913 |
case 0xd0: |
4914 |
case 0xd1: |
4915 |
/* shift Ev,1 */
|
4916 |
shift = 1;
|
4917 |
goto grp2;
|
4918 |
case 0xd2: |
4919 |
case 0xd3: |
4920 |
/* shift Ev,cl */
|
4921 |
shift = 0;
|
4922 |
goto grp2;
|
4923 |
|
4924 |
case 0x1a4: /* shld imm */ |
4925 |
op = 0;
|
4926 |
shift = 1;
|
4927 |
goto do_shiftd;
|
4928 |
case 0x1a5: /* shld cl */ |
4929 |
op = 0;
|
4930 |
shift = 0;
|
4931 |
goto do_shiftd;
|
4932 |
case 0x1ac: /* shrd imm */ |
4933 |
op = 1;
|
4934 |
shift = 1;
|
4935 |
goto do_shiftd;
|
4936 |
case 0x1ad: /* shrd cl */ |
4937 |
op = 1;
|
4938 |
shift = 0;
|
4939 |
do_shiftd:
|
4940 |
ot = dflag + OT_WORD; |
4941 |
modrm = ldub_code(s->pc++); |
4942 |
mod = (modrm >> 6) & 3; |
4943 |
rm = (modrm & 7) | REX_B(s);
|
4944 |
reg = ((modrm >> 3) & 7) | rex_r; |
4945 |
if (mod != 3) { |
4946 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
4947 |
opreg = OR_TMP0; |
4948 |
} else {
|
4949 |
opreg = rm; |
4950 |
} |
4951 |
gen_op_mov_TN_reg(ot, 1, reg);
|
4952 |
|
4953 |
if (shift) {
|
4954 |
val = ldub_code(s->pc++); |
4955 |
tcg_gen_movi_tl(cpu_T3, val); |
4956 |
} else {
|
4957 |
tcg_gen_ld_tl(cpu_T3, cpu_env, offsetof(CPUState, regs[R_ECX])); |
4958 |
} |
4959 |
gen_shiftd_rm_T1_T3(s, ot, opreg, op); |
4960 |
break;
|
4961 |
|
4962 |
/************************/
|
4963 |
/* floats */
|
4964 |
case 0xd8 ... 0xdf: |
4965 |
if (s->flags & (HF_EM_MASK | HF_TS_MASK)) {
|
4966 |
/* if CR0.EM or CR0.TS are set, generate an FPU exception */
|
4967 |
/* XXX: what to do if illegal op ? */
|
4968 |
gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); |
4969 |
break;
|
4970 |
} |
4971 |
modrm = ldub_code(s->pc++); |
4972 |
mod = (modrm >> 6) & 3; |
4973 |
rm = modrm & 7;
|
4974 |
op = ((b & 7) << 3) | ((modrm >> 3) & 7); |
4975 |
if (mod != 3) { |
4976 |
/* memory op */
|
4977 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
4978 |
switch(op) {
|
4979 |
case 0x00 ... 0x07: /* fxxxs */ |
4980 |
case 0x10 ... 0x17: /* fixxxl */ |
4981 |
case 0x20 ... 0x27: /* fxxxl */ |
4982 |
case 0x30 ... 0x37: /* fixxx */ |
4983 |
{ |
4984 |
int op1;
|
4985 |
op1 = op & 7;
|
4986 |
|
4987 |
switch(op >> 4) { |
4988 |
case 0: |
4989 |
gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
4990 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
4991 |
tcg_gen_helper_0_1(helper_flds_FT0, cpu_tmp2_i32); |
4992 |
break;
|
4993 |
case 1: |
4994 |
gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
4995 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
4996 |
tcg_gen_helper_0_1(helper_fildl_FT0, cpu_tmp2_i32); |
4997 |
break;
|
4998 |
case 2: |
4999 |
tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0, |
5000 |
(s->mem_index >> 2) - 1); |
5001 |
tcg_gen_helper_0_1(helper_fldl_FT0, cpu_tmp1_i64); |
5002 |
break;
|
5003 |
case 3: |
5004 |
default:
|
5005 |
gen_op_lds_T0_A0(OT_WORD + s->mem_index); |
5006 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
5007 |
tcg_gen_helper_0_1(helper_fildl_FT0, cpu_tmp2_i32); |
5008 |
break;
|
5009 |
} |
5010 |
|
5011 |
tcg_gen_helper_0_0(helper_fp_arith_ST0_FT0[op1]); |
5012 |
if (op1 == 3) { |
5013 |
/* fcomp needs pop */
|
5014 |
tcg_gen_helper_0_0(helper_fpop); |
5015 |
} |
5016 |
} |
5017 |
break;
|
5018 |
case 0x08: /* flds */ |
5019 |
case 0x0a: /* fsts */ |
5020 |
case 0x0b: /* fstps */ |
5021 |
case 0x18 ... 0x1b: /* fildl, fisttpl, fistl, fistpl */ |
5022 |
case 0x28 ... 0x2b: /* fldl, fisttpll, fstl, fstpl */ |
5023 |
case 0x38 ... 0x3b: /* filds, fisttps, fists, fistps */ |
5024 |
switch(op & 7) { |
5025 |
case 0: |
5026 |
switch(op >> 4) { |
5027 |
case 0: |
5028 |
gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
5029 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
5030 |
tcg_gen_helper_0_1(helper_flds_ST0, cpu_tmp2_i32); |
5031 |
break;
|
5032 |
case 1: |
5033 |
gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
5034 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
5035 |
tcg_gen_helper_0_1(helper_fildl_ST0, cpu_tmp2_i32); |
5036 |
break;
|
5037 |
case 2: |
5038 |
tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0, |
5039 |
(s->mem_index >> 2) - 1); |
5040 |
tcg_gen_helper_0_1(helper_fldl_ST0, cpu_tmp1_i64); |
5041 |
break;
|
5042 |
case 3: |
5043 |
default:
|
5044 |
gen_op_lds_T0_A0(OT_WORD + s->mem_index); |
5045 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
5046 |
tcg_gen_helper_0_1(helper_fildl_ST0, cpu_tmp2_i32); |
5047 |
break;
|
5048 |
} |
5049 |
break;
|
5050 |
case 1: |
5051 |
/* XXX: the corresponding CPUID bit must be tested ! */
|
5052 |
switch(op >> 4) { |
5053 |
case 1: |
5054 |
tcg_gen_helper_1_0(helper_fisttl_ST0, cpu_tmp2_i32); |
5055 |
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
5056 |
gen_op_st_T0_A0(OT_LONG + s->mem_index); |
5057 |
break;
|
5058 |
case 2: |
5059 |
tcg_gen_helper_1_0(helper_fisttll_ST0, cpu_tmp1_i64); |
5060 |
tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0, |
5061 |
(s->mem_index >> 2) - 1); |
5062 |
break;
|
5063 |
case 3: |
5064 |
default:
|
5065 |
tcg_gen_helper_1_0(helper_fistt_ST0, cpu_tmp2_i32); |
5066 |
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
5067 |
gen_op_st_T0_A0(OT_WORD + s->mem_index); |
5068 |
break;
|
5069 |
} |
5070 |
tcg_gen_helper_0_0(helper_fpop); |
5071 |
break;
|
5072 |
default:
|
5073 |
switch(op >> 4) { |
5074 |
case 0: |
5075 |
tcg_gen_helper_1_0(helper_fsts_ST0, cpu_tmp2_i32); |
5076 |
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
5077 |
gen_op_st_T0_A0(OT_LONG + s->mem_index); |
5078 |
break;
|
5079 |
case 1: |
5080 |
tcg_gen_helper_1_0(helper_fistl_ST0, cpu_tmp2_i32); |
5081 |
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
5082 |
gen_op_st_T0_A0(OT_LONG + s->mem_index); |
5083 |
break;
|
5084 |
case 2: |
5085 |
tcg_gen_helper_1_0(helper_fstl_ST0, cpu_tmp1_i64); |
5086 |
tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0, |
5087 |
(s->mem_index >> 2) - 1); |
5088 |
break;
|
5089 |
case 3: |
5090 |
default:
|
5091 |
tcg_gen_helper_1_0(helper_fist_ST0, cpu_tmp2_i32); |
5092 |
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
5093 |
gen_op_st_T0_A0(OT_WORD + s->mem_index); |
5094 |
break;
|
5095 |
} |
5096 |
if ((op & 7) == 3) |
5097 |
tcg_gen_helper_0_0(helper_fpop); |
5098 |
break;
|
5099 |
} |
5100 |
break;
|
5101 |
case 0x0c: /* fldenv mem */ |
5102 |
if (s->cc_op != CC_OP_DYNAMIC)
|
5103 |
gen_op_set_cc_op(s->cc_op); |
5104 |
gen_jmp_im(pc_start - s->cs_base); |
5105 |
tcg_gen_helper_0_2(helper_fldenv, |
5106 |
cpu_A0, tcg_const_i32(s->dflag)); |
5107 |
break;
|
5108 |
case 0x0d: /* fldcw mem */ |
5109 |
gen_op_ld_T0_A0(OT_WORD + s->mem_index); |
5110 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
5111 |
tcg_gen_helper_0_1(helper_fldcw, cpu_tmp2_i32); |
5112 |
break;
|
5113 |
case 0x0e: /* fnstenv mem */ |
5114 |
if (s->cc_op != CC_OP_DYNAMIC)
|
5115 |
gen_op_set_cc_op(s->cc_op); |
5116 |
gen_jmp_im(pc_start - s->cs_base); |
5117 |
tcg_gen_helper_0_2(helper_fstenv, |
5118 |
cpu_A0, tcg_const_i32(s->dflag)); |
5119 |
break;
|
5120 |
case 0x0f: /* fnstcw mem */ |
5121 |
tcg_gen_helper_1_0(helper_fnstcw, cpu_tmp2_i32); |
5122 |
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
5123 |
gen_op_st_T0_A0(OT_WORD + s->mem_index); |
5124 |
break;
|
5125 |
case 0x1d: /* fldt mem */ |
5126 |
if (s->cc_op != CC_OP_DYNAMIC)
|
5127 |
gen_op_set_cc_op(s->cc_op); |
5128 |
gen_jmp_im(pc_start - s->cs_base); |
5129 |
tcg_gen_helper_0_1(helper_fldt_ST0, cpu_A0); |
5130 |
break;
|
5131 |
case 0x1f: /* fstpt mem */ |
5132 |
if (s->cc_op != CC_OP_DYNAMIC)
|
5133 |
gen_op_set_cc_op(s->cc_op); |
5134 |
gen_jmp_im(pc_start - s->cs_base); |
5135 |
tcg_gen_helper_0_1(helper_fstt_ST0, cpu_A0); |
5136 |
tcg_gen_helper_0_0(helper_fpop); |
5137 |
break;
|
5138 |
case 0x2c: /* frstor mem */ |
5139 |
if (s->cc_op != CC_OP_DYNAMIC)
|
5140 |
gen_op_set_cc_op(s->cc_op); |
5141 |
gen_jmp_im(pc_start - s->cs_base); |
5142 |
tcg_gen_helper_0_2(helper_frstor, |
5143 |
cpu_A0, tcg_const_i32(s->dflag)); |
5144 |
break;
|
5145 |
case 0x2e: /* fnsave mem */ |
5146 |
if (s->cc_op != CC_OP_DYNAMIC)
|
5147 |
gen_op_set_cc_op(s->cc_op); |
5148 |
gen_jmp_im(pc_start - s->cs_base); |
5149 |
tcg_gen_helper_0_2(helper_fsave, |
5150 |
cpu_A0, tcg_const_i32(s->dflag)); |
5151 |
break;
|
5152 |
case 0x2f: /* fnstsw mem */ |
5153 |
tcg_gen_helper_1_0(helper_fnstsw, cpu_tmp2_i32); |
5154 |
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
5155 |
gen_op_st_T0_A0(OT_WORD + s->mem_index); |
5156 |
break;
|
5157 |
case 0x3c: /* fbld */ |
5158 |
if (s->cc_op != CC_OP_DYNAMIC)
|
5159 |
gen_op_set_cc_op(s->cc_op); |
5160 |
gen_jmp_im(pc_start - s->cs_base); |
5161 |
tcg_gen_helper_0_1(helper_fbld_ST0, cpu_A0); |
5162 |
break;
|
5163 |
case 0x3e: /* fbstp */ |
5164 |
if (s->cc_op != CC_OP_DYNAMIC)
|
5165 |
gen_op_set_cc_op(s->cc_op); |
5166 |
gen_jmp_im(pc_start - s->cs_base); |
5167 |
tcg_gen_helper_0_1(helper_fbst_ST0, cpu_A0); |
5168 |
tcg_gen_helper_0_0(helper_fpop); |
5169 |
break;
|
5170 |
case 0x3d: /* fildll */ |
5171 |
tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0, |
5172 |
(s->mem_index >> 2) - 1); |
5173 |
tcg_gen_helper_0_1(helper_fildll_ST0, cpu_tmp1_i64); |
5174 |
break;
|
5175 |
case 0x3f: /* fistpll */ |
5176 |
tcg_gen_helper_1_0(helper_fistll_ST0, cpu_tmp1_i64); |
5177 |
tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0, |
5178 |
(s->mem_index >> 2) - 1); |
5179 |
tcg_gen_helper_0_0(helper_fpop); |
5180 |
break;
|
5181 |
default:
|
5182 |
goto illegal_op;
|
5183 |
} |
5184 |
} else {
|
5185 |
/* register float ops */
|
5186 |
opreg = rm; |
5187 |
|
5188 |
switch(op) {
|
5189 |
case 0x08: /* fld sti */ |
5190 |
tcg_gen_helper_0_0(helper_fpush); |
5191 |
tcg_gen_helper_0_1(helper_fmov_ST0_STN, tcg_const_i32((opreg + 1) & 7)); |
5192 |
break;
|
5193 |
case 0x09: /* fxchg sti */ |
5194 |
case 0x29: /* fxchg4 sti, undocumented op */ |
5195 |
case 0x39: /* fxchg7 sti, undocumented op */ |
5196 |
tcg_gen_helper_0_1(helper_fxchg_ST0_STN, tcg_const_i32(opreg)); |
5197 |
break;
|
5198 |
case 0x0a: /* grp d9/2 */ |
5199 |
switch(rm) {
|
5200 |
case 0: /* fnop */ |
5201 |
/* check exceptions (FreeBSD FPU probe) */
|
5202 |
if (s->cc_op != CC_OP_DYNAMIC)
|
5203 |
gen_op_set_cc_op(s->cc_op); |
5204 |
gen_jmp_im(pc_start - s->cs_base); |
5205 |
tcg_gen_helper_0_0(helper_fwait); |
5206 |
break;
|
5207 |
default:
|
5208 |
goto illegal_op;
|
5209 |
} |
5210 |
break;
|
5211 |
case 0x0c: /* grp d9/4 */ |
5212 |
switch(rm) {
|
5213 |
case 0: /* fchs */ |
5214 |
tcg_gen_helper_0_0(helper_fchs_ST0); |
5215 |
break;
|
5216 |
case 1: /* fabs */ |
5217 |
tcg_gen_helper_0_0(helper_fabs_ST0); |
5218 |
break;
|
5219 |
case 4: /* ftst */ |
5220 |
tcg_gen_helper_0_0(helper_fldz_FT0); |
5221 |
tcg_gen_helper_0_0(helper_fcom_ST0_FT0); |
5222 |
break;
|
5223 |
case 5: /* fxam */ |
5224 |
tcg_gen_helper_0_0(helper_fxam_ST0); |
5225 |
break;
|
5226 |
default:
|
5227 |
goto illegal_op;
|
5228 |
} |
5229 |
break;
|
5230 |
case 0x0d: /* grp d9/5 */ |
5231 |
{ |
5232 |
switch(rm) {
|
5233 |
case 0: |
5234 |
tcg_gen_helper_0_0(helper_fpush); |
5235 |
tcg_gen_helper_0_0(helper_fld1_ST0); |
5236 |
break;
|
5237 |
case 1: |
5238 |
tcg_gen_helper_0_0(helper_fpush); |
5239 |
tcg_gen_helper_0_0(helper_fldl2t_ST0); |
5240 |
break;
|
5241 |
case 2: |
5242 |
tcg_gen_helper_0_0(helper_fpush); |
5243 |
tcg_gen_helper_0_0(helper_fldl2e_ST0); |
5244 |
break;
|
5245 |
case 3: |
5246 |
tcg_gen_helper_0_0(helper_fpush); |
5247 |
tcg_gen_helper_0_0(helper_fldpi_ST0); |
5248 |
break;
|
5249 |
case 4: |
5250 |
tcg_gen_helper_0_0(helper_fpush); |
5251 |
tcg_gen_helper_0_0(helper_fldlg2_ST0); |
5252 |
break;
|
5253 |
case 5: |
5254 |
tcg_gen_helper_0_0(helper_fpush); |
5255 |
tcg_gen_helper_0_0(helper_fldln2_ST0); |
5256 |
break;
|
5257 |
case 6: |
5258 |
tcg_gen_helper_0_0(helper_fpush); |
5259 |
tcg_gen_helper_0_0(helper_fldz_ST0); |
5260 |
break;
|
5261 |
default:
|
5262 |
goto illegal_op;
|
5263 |
} |
5264 |
} |
5265 |
break;
|
5266 |
case 0x0e: /* grp d9/6 */ |
5267 |
switch(rm) {
|
5268 |
case 0: /* f2xm1 */ |
5269 |
tcg_gen_helper_0_0(helper_f2xm1); |
5270 |
break;
|
5271 |
case 1: /* fyl2x */ |
5272 |
tcg_gen_helper_0_0(helper_fyl2x); |
5273 |
break;
|
5274 |
case 2: /* fptan */ |
5275 |
tcg_gen_helper_0_0(helper_fptan); |
5276 |
break;
|
5277 |
case 3: /* fpatan */ |
5278 |
tcg_gen_helper_0_0(helper_fpatan); |
5279 |
break;
|
5280 |
case 4: /* fxtract */ |
5281 |
tcg_gen_helper_0_0(helper_fxtract); |
5282 |
break;
|
5283 |
case 5: /* fprem1 */ |
5284 |
tcg_gen_helper_0_0(helper_fprem1); |
5285 |
break;
|
5286 |
case 6: /* fdecstp */ |
5287 |
tcg_gen_helper_0_0(helper_fdecstp); |
5288 |
break;
|
5289 |
default:
|
5290 |
case 7: /* fincstp */ |
5291 |
tcg_gen_helper_0_0(helper_fincstp); |
5292 |
break;
|
5293 |
} |
5294 |
break;
|
5295 |
case 0x0f: /* grp d9/7 */ |
5296 |
switch(rm) {
|
5297 |
case 0: /* fprem */ |
5298 |
tcg_gen_helper_0_0(helper_fprem); |
5299 |
break;
|
5300 |
case 1: /* fyl2xp1 */ |
5301 |
tcg_gen_helper_0_0(helper_fyl2xp1); |
5302 |
break;
|
5303 |
case 2: /* fsqrt */ |
5304 |
tcg_gen_helper_0_0(helper_fsqrt); |
5305 |
break;
|
5306 |
case 3: /* fsincos */ |
5307 |
tcg_gen_helper_0_0(helper_fsincos); |
5308 |
break;
|
5309 |
case 5: /* fscale */ |
5310 |
tcg_gen_helper_0_0(helper_fscale); |
5311 |
break;
|
5312 |
case 4: /* frndint */ |
5313 |
tcg_gen_helper_0_0(helper_frndint); |
5314 |
break;
|
5315 |
case 6: /* fsin */ |
5316 |
tcg_gen_helper_0_0(helper_fsin); |
5317 |
break;
|
5318 |
default:
|
5319 |
case 7: /* fcos */ |
5320 |
tcg_gen_helper_0_0(helper_fcos); |
5321 |
break;
|
5322 |
} |
5323 |
break;
|
5324 |
case 0x00: case 0x01: case 0x04 ... 0x07: /* fxxx st, sti */ |
5325 |
case 0x20: case 0x21: case 0x24 ... 0x27: /* fxxx sti, st */ |
5326 |
case 0x30: case 0x31: case 0x34 ... 0x37: /* fxxxp sti, st */ |
5327 |
{ |
5328 |
int op1;
|
5329 |
|
5330 |
op1 = op & 7;
|
5331 |
if (op >= 0x20) { |
5332 |
tcg_gen_helper_0_1(helper_fp_arith_STN_ST0[op1], tcg_const_i32(opreg)); |
5333 |
if (op >= 0x30) |
5334 |
tcg_gen_helper_0_0(helper_fpop); |
5335 |
} else {
|
5336 |
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg)); |
5337 |
tcg_gen_helper_0_0(helper_fp_arith_ST0_FT0[op1]); |
5338 |
} |
5339 |
} |
5340 |
break;
|
5341 |
case 0x02: /* fcom */ |
5342 |
case 0x22: /* fcom2, undocumented op */ |
5343 |
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg)); |
5344 |
tcg_gen_helper_0_0(helper_fcom_ST0_FT0); |
5345 |
break;
|
5346 |
case 0x03: /* fcomp */ |
5347 |
case 0x23: /* fcomp3, undocumented op */ |
5348 |
case 0x32: /* fcomp5, undocumented op */ |
5349 |
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg)); |
5350 |
tcg_gen_helper_0_0(helper_fcom_ST0_FT0); |
5351 |
tcg_gen_helper_0_0(helper_fpop); |
5352 |
break;
|
5353 |
case 0x15: /* da/5 */ |
5354 |
switch(rm) {
|
5355 |
case 1: /* fucompp */ |
5356 |
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(1));
|
5357 |
tcg_gen_helper_0_0(helper_fucom_ST0_FT0); |
5358 |
tcg_gen_helper_0_0(helper_fpop); |
5359 |
tcg_gen_helper_0_0(helper_fpop); |
5360 |
break;
|
5361 |
default:
|
5362 |
goto illegal_op;
|
5363 |
} |
5364 |
break;
|
5365 |
case 0x1c: |
5366 |
switch(rm) {
|
5367 |
case 0: /* feni (287 only, just do nop here) */ |
5368 |
break;
|
5369 |
case 1: /* fdisi (287 only, just do nop here) */ |
5370 |
break;
|
5371 |
case 2: /* fclex */ |
5372 |
tcg_gen_helper_0_0(helper_fclex); |
5373 |
break;
|
5374 |
case 3: /* fninit */ |
5375 |
tcg_gen_helper_0_0(helper_fninit); |
5376 |
break;
|
5377 |
case 4: /* fsetpm (287 only, just do nop here) */ |
5378 |
break;
|
5379 |
default:
|
5380 |
goto illegal_op;
|
5381 |
} |
5382 |
break;
|
5383 |
case 0x1d: /* fucomi */ |
5384 |
if (s->cc_op != CC_OP_DYNAMIC)
|
5385 |
gen_op_set_cc_op(s->cc_op); |
5386 |
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg)); |
5387 |
tcg_gen_helper_0_0(helper_fucomi_ST0_FT0); |
5388 |
s->cc_op = CC_OP_EFLAGS; |
5389 |
break;
|
5390 |
case 0x1e: /* fcomi */ |
5391 |
if (s->cc_op != CC_OP_DYNAMIC)
|
5392 |
gen_op_set_cc_op(s->cc_op); |
5393 |
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg)); |
5394 |
tcg_gen_helper_0_0(helper_fcomi_ST0_FT0); |
5395 |
s->cc_op = CC_OP_EFLAGS; |
5396 |
break;
|
5397 |
case 0x28: /* ffree sti */ |
5398 |
tcg_gen_helper_0_1(helper_ffree_STN, tcg_const_i32(opreg)); |
5399 |
break;
|
5400 |
case 0x2a: /* fst sti */ |
5401 |
tcg_gen_helper_0_1(helper_fmov_STN_ST0, tcg_const_i32(opreg)); |
5402 |
break;
|
5403 |
case 0x2b: /* fstp sti */ |
5404 |
case 0x0b: /* fstp1 sti, undocumented op */ |
5405 |
case 0x3a: /* fstp8 sti, undocumented op */ |
5406 |
case 0x3b: /* fstp9 sti, undocumented op */ |
5407 |
tcg_gen_helper_0_1(helper_fmov_STN_ST0, tcg_const_i32(opreg)); |
5408 |
tcg_gen_helper_0_0(helper_fpop); |
5409 |
break;
|
5410 |
case 0x2c: /* fucom st(i) */ |
5411 |
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg)); |
5412 |
tcg_gen_helper_0_0(helper_fucom_ST0_FT0); |
5413 |
break;
|
5414 |
case 0x2d: /* fucomp st(i) */ |
5415 |
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg)); |
5416 |
tcg_gen_helper_0_0(helper_fucom_ST0_FT0); |
5417 |
tcg_gen_helper_0_0(helper_fpop); |
5418 |
break;
|
5419 |
case 0x33: /* de/3 */ |
5420 |
switch(rm) {
|
5421 |
case 1: /* fcompp */ |
5422 |
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(1));
|
5423 |
tcg_gen_helper_0_0(helper_fcom_ST0_FT0); |
5424 |
tcg_gen_helper_0_0(helper_fpop); |
5425 |
tcg_gen_helper_0_0(helper_fpop); |
5426 |
break;
|
5427 |
default:
|
5428 |
goto illegal_op;
|
5429 |
} |
5430 |
break;
|
5431 |
case 0x38: /* ffreep sti, undocumented op */ |
5432 |
tcg_gen_helper_0_1(helper_ffree_STN, tcg_const_i32(opreg)); |
5433 |
tcg_gen_helper_0_0(helper_fpop); |
5434 |
break;
|
5435 |
case 0x3c: /* df/4 */ |
5436 |
switch(rm) {
|
5437 |
case 0: |
5438 |
tcg_gen_helper_1_0(helper_fnstsw, cpu_tmp2_i32); |
5439 |
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
5440 |
gen_op_mov_reg_T0(OT_WORD, R_EAX); |
5441 |
break;
|
5442 |
default:
|
5443 |
goto illegal_op;
|
5444 |
} |
5445 |
break;
|
5446 |
case 0x3d: /* fucomip */ |
5447 |
if (s->cc_op != CC_OP_DYNAMIC)
|
5448 |
gen_op_set_cc_op(s->cc_op); |
5449 |
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg)); |
5450 |
tcg_gen_helper_0_0(helper_fucomi_ST0_FT0); |
5451 |
tcg_gen_helper_0_0(helper_fpop); |
5452 |
s->cc_op = CC_OP_EFLAGS; |
5453 |
break;
|
5454 |
case 0x3e: /* fcomip */ |
5455 |
if (s->cc_op != CC_OP_DYNAMIC)
|
5456 |
gen_op_set_cc_op(s->cc_op); |
5457 |
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg)); |
5458 |
tcg_gen_helper_0_0(helper_fcomi_ST0_FT0); |
5459 |
tcg_gen_helper_0_0(helper_fpop); |
5460 |
s->cc_op = CC_OP_EFLAGS; |
5461 |
break;
|
5462 |
case 0x10 ... 0x13: /* fcmovxx */ |
5463 |
case 0x18 ... 0x1b: |
5464 |
{ |
5465 |
int op1, l1;
|
5466 |
const static uint8_t fcmov_cc[8] = { |
5467 |
(JCC_B << 1),
|
5468 |
(JCC_Z << 1),
|
5469 |
(JCC_BE << 1),
|
5470 |
(JCC_P << 1),
|
5471 |
}; |
5472 |
op1 = fcmov_cc[op & 3] | (((op >> 3) & 1) ^ 1); |
5473 |
l1 = gen_new_label(); |
5474 |
gen_jcc1(s, s->cc_op, op1, l1); |
5475 |
tcg_gen_helper_0_1(helper_fmov_ST0_STN, tcg_const_i32(opreg)); |
5476 |
gen_set_label(l1); |
5477 |
} |
5478 |
break;
|
5479 |
default:
|
5480 |
goto illegal_op;
|
5481 |
} |
5482 |
} |
5483 |
break;
|
5484 |
/************************/
|
5485 |
/* string ops */
|
5486 |
|
5487 |
case 0xa4: /* movsS */ |
5488 |
case 0xa5: |
5489 |
if ((b & 1) == 0) |
5490 |
ot = OT_BYTE; |
5491 |
else
|
5492 |
ot = dflag + OT_WORD; |
5493 |
|
5494 |
if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) {
|
5495 |
gen_repz_movs(s, ot, pc_start - s->cs_base, s->pc - s->cs_base); |
5496 |
} else {
|
5497 |
gen_movs(s, ot); |
5498 |
} |
5499 |
break;
|
5500 |
|
5501 |
case 0xaa: /* stosS */ |
5502 |
case 0xab: |
5503 |
if ((b & 1) == 0) |
5504 |
ot = OT_BYTE; |
5505 |
else
|
5506 |
ot = dflag + OT_WORD; |
5507 |
|
5508 |
if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) {
|
5509 |
gen_repz_stos(s, ot, pc_start - s->cs_base, s->pc - s->cs_base); |
5510 |
} else {
|
5511 |
gen_stos(s, ot); |
5512 |
} |
5513 |
break;
|
5514 |
case 0xac: /* lodsS */ |
5515 |
case 0xad: |
5516 |
if ((b & 1) == 0) |
5517 |
ot = OT_BYTE; |
5518 |
else
|
5519 |
ot = dflag + OT_WORD; |
5520 |
if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) {
|
5521 |
gen_repz_lods(s, ot, pc_start - s->cs_base, s->pc - s->cs_base); |
5522 |
} else {
|
5523 |
gen_lods(s, ot); |
5524 |
} |
5525 |
break;
|
5526 |
case 0xae: /* scasS */ |
5527 |
case 0xaf: |
5528 |
if ((b & 1) == 0) |
5529 |
ot = OT_BYTE; |
5530 |
else
|
5531 |
ot = dflag + OT_WORD; |
5532 |
if (prefixes & PREFIX_REPNZ) {
|
5533 |
gen_repz_scas(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 1);
|
5534 |
} else if (prefixes & PREFIX_REPZ) { |
5535 |
gen_repz_scas(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 0);
|
5536 |
} else {
|
5537 |
gen_scas(s, ot); |
5538 |
s->cc_op = CC_OP_SUBB + ot; |
5539 |
} |
5540 |
break;
|
5541 |
|
5542 |
case 0xa6: /* cmpsS */ |
5543 |
case 0xa7: |
5544 |
if ((b & 1) == 0) |
5545 |
ot = OT_BYTE; |
5546 |
else
|
5547 |
ot = dflag + OT_WORD; |
5548 |
if (prefixes & PREFIX_REPNZ) {
|
5549 |
gen_repz_cmps(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 1);
|
5550 |
} else if (prefixes & PREFIX_REPZ) { |
5551 |
gen_repz_cmps(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 0);
|
5552 |
} else {
|
5553 |
gen_cmps(s, ot); |
5554 |
s->cc_op = CC_OP_SUBB + ot; |
5555 |
} |
5556 |
break;
|
5557 |
case 0x6c: /* insS */ |
5558 |
case 0x6d: |
5559 |
if ((b & 1) == 0) |
5560 |
ot = OT_BYTE; |
5561 |
else
|
5562 |
ot = dflag ? OT_LONG : OT_WORD; |
5563 |
gen_op_mov_TN_reg(OT_WORD, 0, R_EDX);
|
5564 |
gen_op_andl_T0_ffff(); |
5565 |
gen_check_io(s, ot, pc_start - s->cs_base, |
5566 |
SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes) | 4);
|
5567 |
if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) {
|
5568 |
gen_repz_ins(s, ot, pc_start - s->cs_base, s->pc - s->cs_base); |
5569 |
} else {
|
5570 |
gen_ins(s, ot); |
5571 |
} |
5572 |
break;
|
5573 |
case 0x6e: /* outsS */ |
5574 |
case 0x6f: |
5575 |
if ((b & 1) == 0) |
5576 |
ot = OT_BYTE; |
5577 |
else
|
5578 |
ot = dflag ? OT_LONG : OT_WORD; |
5579 |
gen_op_mov_TN_reg(OT_WORD, 0, R_EDX);
|
5580 |
gen_op_andl_T0_ffff(); |
5581 |
gen_check_io(s, ot, pc_start - s->cs_base, |
5582 |
svm_is_rep(prefixes) | 4);
|
5583 |
if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) {
|
5584 |
gen_repz_outs(s, ot, pc_start - s->cs_base, s->pc - s->cs_base); |
5585 |
} else {
|
5586 |
gen_outs(s, ot); |
5587 |
} |
5588 |
break;
|
5589 |
|
5590 |
/************************/
|
5591 |
/* port I/O */
|
5592 |
|
5593 |
case 0xe4: |
5594 |
case 0xe5: |
5595 |
if ((b & 1) == 0) |
5596 |
ot = OT_BYTE; |
5597 |
else
|
5598 |
ot = dflag ? OT_LONG : OT_WORD; |
5599 |
val = ldub_code(s->pc++); |
5600 |
gen_op_movl_T0_im(val); |
5601 |
gen_check_io(s, ot, pc_start - s->cs_base, |
5602 |
SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes)); |
5603 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
5604 |
tcg_gen_helper_1_1(helper_in_func[ot], cpu_T[1], cpu_tmp2_i32);
|
5605 |
gen_op_mov_reg_T1(ot, R_EAX); |
5606 |
break;
|
5607 |
case 0xe6: |
5608 |
case 0xe7: |
5609 |
if ((b & 1) == 0) |
5610 |
ot = OT_BYTE; |
5611 |
else
|
5612 |
ot = dflag ? OT_LONG : OT_WORD; |
5613 |
val = ldub_code(s->pc++); |
5614 |
gen_op_movl_T0_im(val); |
5615 |
gen_check_io(s, ot, pc_start - s->cs_base, |
5616 |
svm_is_rep(prefixes)); |
5617 |
gen_op_mov_TN_reg(ot, 1, R_EAX);
|
5618 |
|
5619 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
5620 |
tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff);
|
5621 |
tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T[1]);
|
5622 |
tcg_gen_helper_0_2(helper_out_func[ot], cpu_tmp2_i32, cpu_tmp3_i32); |
5623 |
break;
|
5624 |
case 0xec: |
5625 |
case 0xed: |
5626 |
if ((b & 1) == 0) |
5627 |
ot = OT_BYTE; |
5628 |
else
|
5629 |
ot = dflag ? OT_LONG : OT_WORD; |
5630 |
gen_op_mov_TN_reg(OT_WORD, 0, R_EDX);
|
5631 |
gen_op_andl_T0_ffff(); |
5632 |
gen_check_io(s, ot, pc_start - s->cs_base, |
5633 |
SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes)); |
5634 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
5635 |
tcg_gen_helper_1_1(helper_in_func[ot], cpu_T[1], cpu_tmp2_i32);
|
5636 |
gen_op_mov_reg_T1(ot, R_EAX); |
5637 |
break;
|
5638 |
case 0xee: |
5639 |
case 0xef: |
5640 |
if ((b & 1) == 0) |
5641 |
ot = OT_BYTE; |
5642 |
else
|
5643 |
ot = dflag ? OT_LONG : OT_WORD; |
5644 |
gen_op_mov_TN_reg(OT_WORD, 0, R_EDX);
|
5645 |
gen_op_andl_T0_ffff(); |
5646 |
gen_check_io(s, ot, pc_start - s->cs_base, |
5647 |
svm_is_rep(prefixes)); |
5648 |
gen_op_mov_TN_reg(ot, 1, R_EAX);
|
5649 |
|
5650 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
5651 |
tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff);
|
5652 |
tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T[1]);
|
5653 |
tcg_gen_helper_0_2(helper_out_func[ot], cpu_tmp2_i32, cpu_tmp3_i32); |
5654 |
break;
|
5655 |
|
5656 |
/************************/
|
5657 |
/* control */
|
5658 |
case 0xc2: /* ret im */ |
5659 |
val = ldsw_code(s->pc); |
5660 |
s->pc += 2;
|
5661 |
gen_pop_T0(s); |
5662 |
if (CODE64(s) && s->dflag)
|
5663 |
s->dflag = 2;
|
5664 |
gen_stack_update(s, val + (2 << s->dflag));
|
5665 |
if (s->dflag == 0) |
5666 |
gen_op_andl_T0_ffff(); |
5667 |
gen_op_jmp_T0(); |
5668 |
gen_eob(s); |
5669 |
break;
|
5670 |
case 0xc3: /* ret */ |
5671 |
gen_pop_T0(s); |
5672 |
gen_pop_update(s); |
5673 |
if (s->dflag == 0) |
5674 |
gen_op_andl_T0_ffff(); |
5675 |
gen_op_jmp_T0(); |
5676 |
gen_eob(s); |
5677 |
break;
|
5678 |
case 0xca: /* lret im */ |
5679 |
val = ldsw_code(s->pc); |
5680 |
s->pc += 2;
|
5681 |
do_lret:
|
5682 |
if (s->pe && !s->vm86) {
|
5683 |
if (s->cc_op != CC_OP_DYNAMIC)
|
5684 |
gen_op_set_cc_op(s->cc_op); |
5685 |
gen_jmp_im(pc_start - s->cs_base); |
5686 |
tcg_gen_helper_0_2(helper_lret_protected, |
5687 |
tcg_const_i32(s->dflag), |
5688 |
tcg_const_i32(val)); |
5689 |
} else {
|
5690 |
gen_stack_A0(s); |
5691 |
/* pop offset */
|
5692 |
gen_op_ld_T0_A0(1 + s->dflag + s->mem_index);
|
5693 |
if (s->dflag == 0) |
5694 |
gen_op_andl_T0_ffff(); |
5695 |
/* NOTE: keeping EIP updated is not a problem in case of
|
5696 |
exception */
|
5697 |
gen_op_jmp_T0(); |
5698 |
/* pop selector */
|
5699 |
gen_op_addl_A0_im(2 << s->dflag);
|
5700 |
gen_op_ld_T0_A0(1 + s->dflag + s->mem_index);
|
5701 |
gen_op_movl_seg_T0_vm(R_CS); |
5702 |
/* add stack offset */
|
5703 |
gen_stack_update(s, val + (4 << s->dflag));
|
5704 |
} |
5705 |
gen_eob(s); |
5706 |
break;
|
5707 |
case 0xcb: /* lret */ |
5708 |
val = 0;
|
5709 |
goto do_lret;
|
5710 |
case 0xcf: /* iret */ |
5711 |
gen_svm_check_intercept(s, pc_start, SVM_EXIT_IRET); |
5712 |
if (!s->pe) {
|
5713 |
/* real mode */
|
5714 |
tcg_gen_helper_0_1(helper_iret_real, tcg_const_i32(s->dflag)); |
5715 |
s->cc_op = CC_OP_EFLAGS; |
5716 |
} else if (s->vm86) { |
5717 |
if (s->iopl != 3) { |
5718 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
5719 |
} else {
|
5720 |
tcg_gen_helper_0_1(helper_iret_real, tcg_const_i32(s->dflag)); |
5721 |
s->cc_op = CC_OP_EFLAGS; |
5722 |
} |
5723 |
} else {
|
5724 |
if (s->cc_op != CC_OP_DYNAMIC)
|
5725 |
gen_op_set_cc_op(s->cc_op); |
5726 |
gen_jmp_im(pc_start - s->cs_base); |
5727 |
tcg_gen_helper_0_2(helper_iret_protected, |
5728 |
tcg_const_i32(s->dflag), |
5729 |
tcg_const_i32(s->pc - s->cs_base)); |
5730 |
s->cc_op = CC_OP_EFLAGS; |
5731 |
} |
5732 |
gen_eob(s); |
5733 |
break;
|
5734 |
case 0xe8: /* call im */ |
5735 |
{ |
5736 |
if (dflag)
|
5737 |
tval = (int32_t)insn_get(s, OT_LONG); |
5738 |
else
|
5739 |
tval = (int16_t)insn_get(s, OT_WORD); |
5740 |
next_eip = s->pc - s->cs_base; |
5741 |
tval += next_eip; |
5742 |
if (s->dflag == 0) |
5743 |
tval &= 0xffff;
|
5744 |
gen_movtl_T0_im(next_eip); |
5745 |
gen_push_T0(s); |
5746 |
gen_jmp(s, tval); |
5747 |
} |
5748 |
break;
|
5749 |
case 0x9a: /* lcall im */ |
5750 |
{ |
5751 |
unsigned int selector, offset; |
5752 |
|
5753 |
if (CODE64(s))
|
5754 |
goto illegal_op;
|
5755 |
ot = dflag ? OT_LONG : OT_WORD; |
5756 |
offset = insn_get(s, ot); |
5757 |
selector = insn_get(s, OT_WORD); |
5758 |
|
5759 |
gen_op_movl_T0_im(selector); |
5760 |
gen_op_movl_T1_imu(offset); |
5761 |
} |
5762 |
goto do_lcall;
|
5763 |
case 0xe9: /* jmp im */ |
5764 |
if (dflag)
|
5765 |
tval = (int32_t)insn_get(s, OT_LONG); |
5766 |
else
|
5767 |
tval = (int16_t)insn_get(s, OT_WORD); |
5768 |
tval += s->pc - s->cs_base; |
5769 |
if (s->dflag == 0) |
5770 |
tval &= 0xffff;
|
5771 |
gen_jmp(s, tval); |
5772 |
break;
|
5773 |
case 0xea: /* ljmp im */ |
5774 |
{ |
5775 |
unsigned int selector, offset; |
5776 |
|
5777 |
if (CODE64(s))
|
5778 |
goto illegal_op;
|
5779 |
ot = dflag ? OT_LONG : OT_WORD; |
5780 |
offset = insn_get(s, ot); |
5781 |
selector = insn_get(s, OT_WORD); |
5782 |
|
5783 |
gen_op_movl_T0_im(selector); |
5784 |
gen_op_movl_T1_imu(offset); |
5785 |
} |
5786 |
goto do_ljmp;
|
5787 |
case 0xeb: /* jmp Jb */ |
5788 |
tval = (int8_t)insn_get(s, OT_BYTE); |
5789 |
tval += s->pc - s->cs_base; |
5790 |
if (s->dflag == 0) |
5791 |
tval &= 0xffff;
|
5792 |
gen_jmp(s, tval); |
5793 |
break;
|
5794 |
case 0x70 ... 0x7f: /* jcc Jb */ |
5795 |
tval = (int8_t)insn_get(s, OT_BYTE); |
5796 |
goto do_jcc;
|
5797 |
case 0x180 ... 0x18f: /* jcc Jv */ |
5798 |
if (dflag) {
|
5799 |
tval = (int32_t)insn_get(s, OT_LONG); |
5800 |
} else {
|
5801 |
tval = (int16_t)insn_get(s, OT_WORD); |
5802 |
} |
5803 |
do_jcc:
|
5804 |
next_eip = s->pc - s->cs_base; |
5805 |
tval += next_eip; |
5806 |
if (s->dflag == 0) |
5807 |
tval &= 0xffff;
|
5808 |
gen_jcc(s, b, tval, next_eip); |
5809 |
break;
|
5810 |
|
5811 |
case 0x190 ... 0x19f: /* setcc Gv */ |
5812 |
modrm = ldub_code(s->pc++); |
5813 |
gen_setcc(s, b); |
5814 |
gen_ldst_modrm(s, modrm, OT_BYTE, OR_TMP0, 1);
|
5815 |
break;
|
5816 |
case 0x140 ... 0x14f: /* cmov Gv, Ev */ |
5817 |
{ |
5818 |
int l1;
|
5819 |
TCGv t0; |
5820 |
|
5821 |
ot = dflag + OT_WORD; |
5822 |
modrm = ldub_code(s->pc++); |
5823 |
reg = ((modrm >> 3) & 7) | rex_r; |
5824 |
mod = (modrm >> 6) & 3; |
5825 |
t0 = tcg_temp_local_new(TCG_TYPE_TL); |
5826 |
if (mod != 3) { |
5827 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
5828 |
gen_op_ld_v(ot + s->mem_index, t0, cpu_A0); |
5829 |
} else {
|
5830 |
rm = (modrm & 7) | REX_B(s);
|
5831 |
gen_op_mov_v_reg(ot, t0, rm); |
5832 |
} |
5833 |
#ifdef TARGET_X86_64
|
5834 |
if (ot == OT_LONG) {
|
5835 |
/* XXX: specific Intel behaviour ? */
|
5836 |
l1 = gen_new_label(); |
5837 |
gen_jcc1(s, s->cc_op, b ^ 1, l1);
|
5838 |
tcg_gen_st32_tl(t0, cpu_env, offsetof(CPUState, regs[reg]) + REG_L_OFFSET); |
5839 |
gen_set_label(l1); |
5840 |
tcg_gen_movi_tl(cpu_tmp0, 0);
|
5841 |
tcg_gen_st32_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]) + REG_LH_OFFSET); |
5842 |
} else
|
5843 |
#endif
|
5844 |
{ |
5845 |
l1 = gen_new_label(); |
5846 |
gen_jcc1(s, s->cc_op, b ^ 1, l1);
|
5847 |
gen_op_mov_reg_v(ot, reg, t0); |
5848 |
gen_set_label(l1); |
5849 |
} |
5850 |
tcg_temp_free(t0); |
5851 |
} |
5852 |
break;
|
5853 |
|
5854 |
/************************/
|
5855 |
/* flags */
|
5856 |
case 0x9c: /* pushf */ |
5857 |
gen_svm_check_intercept(s, pc_start, SVM_EXIT_PUSHF); |
5858 |
if (s->vm86 && s->iopl != 3) { |
5859 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
5860 |
} else {
|
5861 |
if (s->cc_op != CC_OP_DYNAMIC)
|
5862 |
gen_op_set_cc_op(s->cc_op); |
5863 |
tcg_gen_helper_1_0(helper_read_eflags, cpu_T[0]);
|
5864 |
gen_push_T0(s); |
5865 |
} |
5866 |
break;
|
5867 |
case 0x9d: /* popf */ |
5868 |
gen_svm_check_intercept(s, pc_start, SVM_EXIT_POPF); |
5869 |
if (s->vm86 && s->iopl != 3) { |
5870 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
5871 |
} else {
|
5872 |
gen_pop_T0(s); |
5873 |
if (s->cpl == 0) { |
5874 |
if (s->dflag) {
|
5875 |
tcg_gen_helper_0_2(helper_write_eflags, cpu_T[0],
|
5876 |
tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK | IOPL_MASK))); |
5877 |
} else {
|
5878 |
tcg_gen_helper_0_2(helper_write_eflags, cpu_T[0],
|
5879 |
tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK | IOPL_MASK) & 0xffff));
|
5880 |
} |
5881 |
} else {
|
5882 |
if (s->cpl <= s->iopl) {
|
5883 |
if (s->dflag) {
|
5884 |
tcg_gen_helper_0_2(helper_write_eflags, cpu_T[0],
|
5885 |
tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK))); |
5886 |
} else {
|
5887 |
tcg_gen_helper_0_2(helper_write_eflags, cpu_T[0],
|
5888 |
tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK) & 0xffff));
|
5889 |
} |
5890 |
} else {
|
5891 |
if (s->dflag) {
|
5892 |
tcg_gen_helper_0_2(helper_write_eflags, cpu_T[0],
|
5893 |
tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK))); |
5894 |
} else {
|
5895 |
tcg_gen_helper_0_2(helper_write_eflags, cpu_T[0],
|
5896 |
tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK) & 0xffff));
|
5897 |
} |
5898 |
} |
5899 |
} |
5900 |
gen_pop_update(s); |
5901 |
s->cc_op = CC_OP_EFLAGS; |
5902 |
/* abort translation because TF flag may change */
|
5903 |
gen_jmp_im(s->pc - s->cs_base); |
5904 |
gen_eob(s); |
5905 |
} |
5906 |
break;
|
5907 |
case 0x9e: /* sahf */ |
5908 |
if (CODE64(s) && !(s->cpuid_ext3_features & CPUID_EXT3_LAHF_LM))
|
5909 |
goto illegal_op;
|
5910 |
gen_op_mov_TN_reg(OT_BYTE, 0, R_AH);
|
5911 |
if (s->cc_op != CC_OP_DYNAMIC)
|
5912 |
gen_op_set_cc_op(s->cc_op); |
5913 |
gen_compute_eflags(cpu_cc_src); |
5914 |
tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, CC_O); |
5915 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], CC_S | CC_Z | CC_A | CC_P | CC_C); |
5916 |
tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, cpu_T[0]);
|
5917 |
s->cc_op = CC_OP_EFLAGS; |
5918 |
break;
|
5919 |
case 0x9f: /* lahf */ |
5920 |
if (CODE64(s) && !(s->cpuid_ext3_features & CPUID_EXT3_LAHF_LM))
|
5921 |
goto illegal_op;
|
5922 |
if (s->cc_op != CC_OP_DYNAMIC)
|
5923 |
gen_op_set_cc_op(s->cc_op); |
5924 |
gen_compute_eflags(cpu_T[0]);
|
5925 |
/* Note: gen_compute_eflags() only gives the condition codes */
|
5926 |
tcg_gen_ori_tl(cpu_T[0], cpu_T[0], 0x02); |
5927 |
gen_op_mov_reg_T0(OT_BYTE, R_AH); |
5928 |
break;
|
5929 |
case 0xf5: /* cmc */ |
5930 |
if (s->cc_op != CC_OP_DYNAMIC)
|
5931 |
gen_op_set_cc_op(s->cc_op); |
5932 |
gen_compute_eflags(cpu_cc_src); |
5933 |
tcg_gen_xori_tl(cpu_cc_src, cpu_cc_src, CC_C); |
5934 |
s->cc_op = CC_OP_EFLAGS; |
5935 |
break;
|
5936 |
case 0xf8: /* clc */ |
5937 |
if (s->cc_op != CC_OP_DYNAMIC)
|
5938 |
gen_op_set_cc_op(s->cc_op); |
5939 |
gen_compute_eflags(cpu_cc_src); |
5940 |
tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, ~CC_C); |
5941 |
s->cc_op = CC_OP_EFLAGS; |
5942 |
break;
|
5943 |
case 0xf9: /* stc */ |
5944 |
if (s->cc_op != CC_OP_DYNAMIC)
|
5945 |
gen_op_set_cc_op(s->cc_op); |
5946 |
gen_compute_eflags(cpu_cc_src); |
5947 |
tcg_gen_ori_tl(cpu_cc_src, cpu_cc_src, CC_C); |
5948 |
s->cc_op = CC_OP_EFLAGS; |
5949 |
break;
|
5950 |
case 0xfc: /* cld */ |
5951 |
tcg_gen_movi_i32(cpu_tmp2_i32, 1);
|
5952 |
tcg_gen_st_i32(cpu_tmp2_i32, cpu_env, offsetof(CPUState, df)); |
5953 |
break;
|
5954 |
case 0xfd: /* std */ |
5955 |
tcg_gen_movi_i32(cpu_tmp2_i32, -1);
|
5956 |
tcg_gen_st_i32(cpu_tmp2_i32, cpu_env, offsetof(CPUState, df)); |
5957 |
break;
|
5958 |
|
5959 |
/************************/
|
5960 |
/* bit operations */
|
5961 |
case 0x1ba: /* bt/bts/btr/btc Gv, im */ |
5962 |
ot = dflag + OT_WORD; |
5963 |
modrm = ldub_code(s->pc++); |
5964 |
op = (modrm >> 3) & 7; |
5965 |
mod = (modrm >> 6) & 3; |
5966 |
rm = (modrm & 7) | REX_B(s);
|
5967 |
if (mod != 3) { |
5968 |
s->rip_offset = 1;
|
5969 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
5970 |
gen_op_ld_T0_A0(ot + s->mem_index); |
5971 |
} else {
|
5972 |
gen_op_mov_TN_reg(ot, 0, rm);
|
5973 |
} |
5974 |
/* load shift */
|
5975 |
val = ldub_code(s->pc++); |
5976 |
gen_op_movl_T1_im(val); |
5977 |
if (op < 4) |
5978 |
goto illegal_op;
|
5979 |
op -= 4;
|
5980 |
goto bt_op;
|
5981 |
case 0x1a3: /* bt Gv, Ev */ |
5982 |
op = 0;
|
5983 |
goto do_btx;
|
5984 |
case 0x1ab: /* bts */ |
5985 |
op = 1;
|
5986 |
goto do_btx;
|
5987 |
case 0x1b3: /* btr */ |
5988 |
op = 2;
|
5989 |
goto do_btx;
|
5990 |
case 0x1bb: /* btc */ |
5991 |
op = 3;
|
5992 |
do_btx:
|
5993 |
ot = dflag + OT_WORD; |
5994 |
modrm = ldub_code(s->pc++); |
5995 |
reg = ((modrm >> 3) & 7) | rex_r; |
5996 |
mod = (modrm >> 6) & 3; |
5997 |
rm = (modrm & 7) | REX_B(s);
|
5998 |
gen_op_mov_TN_reg(OT_LONG, 1, reg);
|
5999 |
if (mod != 3) { |
6000 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
6001 |
/* specific case: we need to add a displacement */
|
6002 |
gen_exts(ot, cpu_T[1]);
|
6003 |
tcg_gen_sari_tl(cpu_tmp0, cpu_T[1], 3 + ot); |
6004 |
tcg_gen_shli_tl(cpu_tmp0, cpu_tmp0, ot); |
6005 |
tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0); |
6006 |
gen_op_ld_T0_A0(ot + s->mem_index); |
6007 |
} else {
|
6008 |
gen_op_mov_TN_reg(ot, 0, rm);
|
6009 |
} |
6010 |
bt_op:
|
6011 |
tcg_gen_andi_tl(cpu_T[1], cpu_T[1], (1 << (3 + ot)) - 1); |
6012 |
switch(op) {
|
6013 |
case 0: |
6014 |
tcg_gen_shr_tl(cpu_cc_src, cpu_T[0], cpu_T[1]); |
6015 |
tcg_gen_movi_tl(cpu_cc_dst, 0);
|
6016 |
break;
|
6017 |
case 1: |
6018 |
tcg_gen_shr_tl(cpu_tmp4, cpu_T[0], cpu_T[1]); |
6019 |
tcg_gen_movi_tl(cpu_tmp0, 1);
|
6020 |
tcg_gen_shl_tl(cpu_tmp0, cpu_tmp0, cpu_T[1]);
|
6021 |
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_tmp0); |
6022 |
break;
|
6023 |
case 2: |
6024 |
tcg_gen_shr_tl(cpu_tmp4, cpu_T[0], cpu_T[1]); |
6025 |
tcg_gen_movi_tl(cpu_tmp0, 1);
|
6026 |
tcg_gen_shl_tl(cpu_tmp0, cpu_tmp0, cpu_T[1]);
|
6027 |
tcg_gen_not_tl(cpu_tmp0, cpu_tmp0); |
6028 |
tcg_gen_and_tl(cpu_T[0], cpu_T[0], cpu_tmp0); |
6029 |
break;
|
6030 |
default:
|
6031 |
case 3: |
6032 |
tcg_gen_shr_tl(cpu_tmp4, cpu_T[0], cpu_T[1]); |
6033 |
tcg_gen_movi_tl(cpu_tmp0, 1);
|
6034 |
tcg_gen_shl_tl(cpu_tmp0, cpu_tmp0, cpu_T[1]);
|
6035 |
tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_tmp0); |
6036 |
break;
|
6037 |
} |
6038 |
s->cc_op = CC_OP_SARB + ot; |
6039 |
if (op != 0) { |
6040 |
if (mod != 3) |
6041 |
gen_op_st_T0_A0(ot + s->mem_index); |
6042 |
else
|
6043 |
gen_op_mov_reg_T0(ot, rm); |
6044 |
tcg_gen_mov_tl(cpu_cc_src, cpu_tmp4); |
6045 |
tcg_gen_movi_tl(cpu_cc_dst, 0);
|
6046 |
} |
6047 |
break;
|
6048 |
case 0x1bc: /* bsf */ |
6049 |
case 0x1bd: /* bsr */ |
6050 |
{ |
6051 |
int label1;
|
6052 |
TCGv t0; |
6053 |
|
6054 |
ot = dflag + OT_WORD; |
6055 |
modrm = ldub_code(s->pc++); |
6056 |
reg = ((modrm >> 3) & 7) | rex_r; |
6057 |
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
|
6058 |
gen_extu(ot, cpu_T[0]);
|
6059 |
label1 = gen_new_label(); |
6060 |
tcg_gen_movi_tl(cpu_cc_dst, 0);
|
6061 |
t0 = tcg_temp_local_new(TCG_TYPE_TL); |
6062 |
tcg_gen_mov_tl(t0, cpu_T[0]);
|
6063 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, label1);
|
6064 |
if (b & 1) { |
6065 |
tcg_gen_helper_1_1(helper_bsr, cpu_T[0], t0);
|
6066 |
} else {
|
6067 |
tcg_gen_helper_1_1(helper_bsf, cpu_T[0], t0);
|
6068 |
} |
6069 |
gen_op_mov_reg_T0(ot, reg); |
6070 |
tcg_gen_movi_tl(cpu_cc_dst, 1);
|
6071 |
gen_set_label(label1); |
6072 |
tcg_gen_discard_tl(cpu_cc_src); |
6073 |
s->cc_op = CC_OP_LOGICB + ot; |
6074 |
tcg_temp_free(t0); |
6075 |
} |
6076 |
break;
|
6077 |
/************************/
|
6078 |
/* bcd */
|
6079 |
case 0x27: /* daa */ |
6080 |
if (CODE64(s))
|
6081 |
goto illegal_op;
|
6082 |
if (s->cc_op != CC_OP_DYNAMIC)
|
6083 |
gen_op_set_cc_op(s->cc_op); |
6084 |
tcg_gen_helper_0_0(helper_daa); |
6085 |
s->cc_op = CC_OP_EFLAGS; |
6086 |
break;
|
6087 |
case 0x2f: /* das */ |
6088 |
if (CODE64(s))
|
6089 |
goto illegal_op;
|
6090 |
if (s->cc_op != CC_OP_DYNAMIC)
|
6091 |
gen_op_set_cc_op(s->cc_op); |
6092 |
tcg_gen_helper_0_0(helper_das); |
6093 |
s->cc_op = CC_OP_EFLAGS; |
6094 |
break;
|
6095 |
case 0x37: /* aaa */ |
6096 |
if (CODE64(s))
|
6097 |
goto illegal_op;
|
6098 |
if (s->cc_op != CC_OP_DYNAMIC)
|
6099 |
gen_op_set_cc_op(s->cc_op); |
6100 |
tcg_gen_helper_0_0(helper_aaa); |
6101 |
s->cc_op = CC_OP_EFLAGS; |
6102 |
break;
|
6103 |
case 0x3f: /* aas */ |
6104 |
if (CODE64(s))
|
6105 |
goto illegal_op;
|
6106 |
if (s->cc_op != CC_OP_DYNAMIC)
|
6107 |
gen_op_set_cc_op(s->cc_op); |
6108 |
tcg_gen_helper_0_0(helper_aas); |
6109 |
s->cc_op = CC_OP_EFLAGS; |
6110 |
break;
|
6111 |
case 0xd4: /* aam */ |
6112 |
if (CODE64(s))
|
6113 |
goto illegal_op;
|
6114 |
val = ldub_code(s->pc++); |
6115 |
if (val == 0) { |
6116 |
gen_exception(s, EXCP00_DIVZ, pc_start - s->cs_base); |
6117 |
} else {
|
6118 |
tcg_gen_helper_0_1(helper_aam, tcg_const_i32(val)); |
6119 |
s->cc_op = CC_OP_LOGICB; |
6120 |
} |
6121 |
break;
|
6122 |
case 0xd5: /* aad */ |
6123 |
if (CODE64(s))
|
6124 |
goto illegal_op;
|
6125 |
val = ldub_code(s->pc++); |
6126 |
tcg_gen_helper_0_1(helper_aad, tcg_const_i32(val)); |
6127 |
s->cc_op = CC_OP_LOGICB; |
6128 |
break;
|
6129 |
/************************/
|
6130 |
/* misc */
|
6131 |
case 0x90: /* nop */ |
6132 |
/* XXX: xchg + rex handling */
|
6133 |
/* XXX: correct lock test for all insn */
|
6134 |
if (prefixes & PREFIX_LOCK)
|
6135 |
goto illegal_op;
|
6136 |
if (prefixes & PREFIX_REPZ) {
|
6137 |
gen_svm_check_intercept(s, pc_start, SVM_EXIT_PAUSE); |
6138 |
} |
6139 |
break;
|
6140 |
case 0x9b: /* fwait */ |
6141 |
if ((s->flags & (HF_MP_MASK | HF_TS_MASK)) ==
|
6142 |
(HF_MP_MASK | HF_TS_MASK)) { |
6143 |
gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); |
6144 |
} else {
|
6145 |
if (s->cc_op != CC_OP_DYNAMIC)
|
6146 |
gen_op_set_cc_op(s->cc_op); |
6147 |
gen_jmp_im(pc_start - s->cs_base); |
6148 |
tcg_gen_helper_0_0(helper_fwait); |
6149 |
} |
6150 |
break;
|
6151 |
case 0xcc: /* int3 */ |
6152 |
gen_interrupt(s, EXCP03_INT3, pc_start - s->cs_base, s->pc - s->cs_base); |
6153 |
break;
|
6154 |
case 0xcd: /* int N */ |
6155 |
val = ldub_code(s->pc++); |
6156 |
if (s->vm86 && s->iopl != 3) { |
6157 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
6158 |
} else {
|
6159 |
gen_interrupt(s, val, pc_start - s->cs_base, s->pc - s->cs_base); |
6160 |
} |
6161 |
break;
|
6162 |
case 0xce: /* into */ |
6163 |
if (CODE64(s))
|
6164 |
goto illegal_op;
|
6165 |
if (s->cc_op != CC_OP_DYNAMIC)
|
6166 |
gen_op_set_cc_op(s->cc_op); |
6167 |
gen_jmp_im(pc_start - s->cs_base); |
6168 |
tcg_gen_helper_0_1(helper_into, tcg_const_i32(s->pc - pc_start)); |
6169 |
break;
|
6170 |
case 0xf1: /* icebp (undocumented, exits to external debugger) */ |
6171 |
gen_svm_check_intercept(s, pc_start, SVM_EXIT_ICEBP); |
6172 |
#if 1 |
6173 |
gen_debug(s, pc_start - s->cs_base); |
6174 |
#else
|
6175 |
/* start debug */
|
6176 |
tb_flush(cpu_single_env); |
6177 |
cpu_set_log(CPU_LOG_INT | CPU_LOG_TB_IN_ASM); |
6178 |
#endif
|
6179 |
break;
|
6180 |
case 0xfa: /* cli */ |
6181 |
if (!s->vm86) {
|
6182 |
if (s->cpl <= s->iopl) {
|
6183 |
tcg_gen_helper_0_0(helper_cli); |
6184 |
} else {
|
6185 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
6186 |
} |
6187 |
} else {
|
6188 |
if (s->iopl == 3) { |
6189 |
tcg_gen_helper_0_0(helper_cli); |
6190 |
} else {
|
6191 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
6192 |
} |
6193 |
} |
6194 |
break;
|
6195 |
case 0xfb: /* sti */ |
6196 |
if (!s->vm86) {
|
6197 |
if (s->cpl <= s->iopl) {
|
6198 |
gen_sti:
|
6199 |
tcg_gen_helper_0_0(helper_sti); |
6200 |
/* interruptions are enabled only the first insn after sti */
|
6201 |
/* If several instructions disable interrupts, only the
|
6202 |
_first_ does it */
|
6203 |
if (!(s->tb->flags & HF_INHIBIT_IRQ_MASK))
|
6204 |
tcg_gen_helper_0_0(helper_set_inhibit_irq); |
6205 |
/* give a chance to handle pending irqs */
|
6206 |
gen_jmp_im(s->pc - s->cs_base); |
6207 |
gen_eob(s); |
6208 |
} else {
|
6209 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
6210 |
} |
6211 |
} else {
|
6212 |
if (s->iopl == 3) { |
6213 |
goto gen_sti;
|
6214 |
} else {
|
6215 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
6216 |
} |
6217 |
} |
6218 |
break;
|
6219 |
case 0x62: /* bound */ |
6220 |
if (CODE64(s))
|
6221 |
goto illegal_op;
|
6222 |
ot = dflag ? OT_LONG : OT_WORD; |
6223 |
modrm = ldub_code(s->pc++); |
6224 |
reg = (modrm >> 3) & 7; |
6225 |
mod = (modrm >> 6) & 3; |
6226 |
if (mod == 3) |
6227 |
goto illegal_op;
|
6228 |
gen_op_mov_TN_reg(ot, 0, reg);
|
6229 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
6230 |
gen_jmp_im(pc_start - s->cs_base); |
6231 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
6232 |
if (ot == OT_WORD)
|
6233 |
tcg_gen_helper_0_2(helper_boundw, cpu_A0, cpu_tmp2_i32); |
6234 |
else
|
6235 |
tcg_gen_helper_0_2(helper_boundl, cpu_A0, cpu_tmp2_i32); |
6236 |
break;
|
6237 |
case 0x1c8 ... 0x1cf: /* bswap reg */ |
6238 |
reg = (b & 7) | REX_B(s);
|
6239 |
#ifdef TARGET_X86_64
|
6240 |
if (dflag == 2) { |
6241 |
gen_op_mov_TN_reg(OT_QUAD, 0, reg);
|
6242 |
tcg_gen_bswap_i64(cpu_T[0], cpu_T[0]); |
6243 |
gen_op_mov_reg_T0(OT_QUAD, reg); |
6244 |
} else
|
6245 |
{ |
6246 |
TCGv tmp0; |
6247 |
gen_op_mov_TN_reg(OT_LONG, 0, reg);
|
6248 |
|
6249 |
tmp0 = tcg_temp_new(TCG_TYPE_I32); |
6250 |
tcg_gen_trunc_i64_i32(tmp0, cpu_T[0]);
|
6251 |
tcg_gen_bswap_i32(tmp0, tmp0); |
6252 |
tcg_gen_extu_i32_i64(cpu_T[0], tmp0);
|
6253 |
gen_op_mov_reg_T0(OT_LONG, reg); |
6254 |
} |
6255 |
#else
|
6256 |
{ |
6257 |
gen_op_mov_TN_reg(OT_LONG, 0, reg);
|
6258 |
tcg_gen_bswap_i32(cpu_T[0], cpu_T[0]); |
6259 |
gen_op_mov_reg_T0(OT_LONG, reg); |
6260 |
} |
6261 |
#endif
|
6262 |
break;
|
6263 |
case 0xd6: /* salc */ |
6264 |
if (CODE64(s))
|
6265 |
goto illegal_op;
|
6266 |
if (s->cc_op != CC_OP_DYNAMIC)
|
6267 |
gen_op_set_cc_op(s->cc_op); |
6268 |
gen_compute_eflags_c(cpu_T[0]);
|
6269 |
tcg_gen_neg_tl(cpu_T[0], cpu_T[0]); |
6270 |
gen_op_mov_reg_T0(OT_BYTE, R_EAX); |
6271 |
break;
|
6272 |
case 0xe0: /* loopnz */ |
6273 |
case 0xe1: /* loopz */ |
6274 |
case 0xe2: /* loop */ |
6275 |
case 0xe3: /* jecxz */ |
6276 |
{ |
6277 |
int l1, l2, l3;
|
6278 |
|
6279 |
tval = (int8_t)insn_get(s, OT_BYTE); |
6280 |
next_eip = s->pc - s->cs_base; |
6281 |
tval += next_eip; |
6282 |
if (s->dflag == 0) |
6283 |
tval &= 0xffff;
|
6284 |
|
6285 |
l1 = gen_new_label(); |
6286 |
l2 = gen_new_label(); |
6287 |
l3 = gen_new_label(); |
6288 |
b &= 3;
|
6289 |
switch(b) {
|
6290 |
case 0: /* loopnz */ |
6291 |
case 1: /* loopz */ |
6292 |
if (s->cc_op != CC_OP_DYNAMIC)
|
6293 |
gen_op_set_cc_op(s->cc_op); |
6294 |
gen_op_add_reg_im(s->aflag, R_ECX, -1);
|
6295 |
gen_op_jz_ecx(s->aflag, l3); |
6296 |
gen_compute_eflags(cpu_tmp0); |
6297 |
tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, CC_Z); |
6298 |
if (b == 0) { |
6299 |
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_tmp0, 0, l1);
|
6300 |
} else {
|
6301 |
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_tmp0, 0, l1);
|
6302 |
} |
6303 |
break;
|
6304 |
case 2: /* loop */ |
6305 |
gen_op_add_reg_im(s->aflag, R_ECX, -1);
|
6306 |
gen_op_jnz_ecx(s->aflag, l1); |
6307 |
break;
|
6308 |
default:
|
6309 |
case 3: /* jcxz */ |
6310 |
gen_op_jz_ecx(s->aflag, l1); |
6311 |
break;
|
6312 |
} |
6313 |
|
6314 |
gen_set_label(l3); |
6315 |
gen_jmp_im(next_eip); |
6316 |
tcg_gen_br(l2); |
6317 |
|
6318 |
gen_set_label(l1); |
6319 |
gen_jmp_im(tval); |
6320 |
gen_set_label(l2); |
6321 |
gen_eob(s); |
6322 |
} |
6323 |
break;
|
6324 |
case 0x130: /* wrmsr */ |
6325 |
case 0x132: /* rdmsr */ |
6326 |
if (s->cpl != 0) { |
6327 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
6328 |
} else {
|
6329 |
if (s->cc_op != CC_OP_DYNAMIC)
|
6330 |
gen_op_set_cc_op(s->cc_op); |
6331 |
gen_jmp_im(pc_start - s->cs_base); |
6332 |
if (b & 2) { |
6333 |
tcg_gen_helper_0_0(helper_rdmsr); |
6334 |
} else {
|
6335 |
tcg_gen_helper_0_0(helper_wrmsr); |
6336 |
} |
6337 |
} |
6338 |
break;
|
6339 |
case 0x131: /* rdtsc */ |
6340 |
if (s->cc_op != CC_OP_DYNAMIC)
|
6341 |
gen_op_set_cc_op(s->cc_op); |
6342 |
gen_jmp_im(pc_start - s->cs_base); |
6343 |
tcg_gen_helper_0_0(helper_rdtsc); |
6344 |
break;
|
6345 |
case 0x133: /* rdpmc */ |
6346 |
if (s->cc_op != CC_OP_DYNAMIC)
|
6347 |
gen_op_set_cc_op(s->cc_op); |
6348 |
gen_jmp_im(pc_start - s->cs_base); |
6349 |
tcg_gen_helper_0_0(helper_rdpmc); |
6350 |
break;
|
6351 |
case 0x134: /* sysenter */ |
6352 |
if (CODE64(s))
|
6353 |
goto illegal_op;
|
6354 |
if (!s->pe) {
|
6355 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
6356 |
} else {
|
6357 |
if (s->cc_op != CC_OP_DYNAMIC) {
|
6358 |
gen_op_set_cc_op(s->cc_op); |
6359 |
s->cc_op = CC_OP_DYNAMIC; |
6360 |
} |
6361 |
gen_jmp_im(pc_start - s->cs_base); |
6362 |
tcg_gen_helper_0_0(helper_sysenter); |
6363 |
gen_eob(s); |
6364 |
} |
6365 |
break;
|
6366 |
case 0x135: /* sysexit */ |
6367 |
if (CODE64(s))
|
6368 |
goto illegal_op;
|
6369 |
if (!s->pe) {
|
6370 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
6371 |
} else {
|
6372 |
if (s->cc_op != CC_OP_DYNAMIC) {
|
6373 |
gen_op_set_cc_op(s->cc_op); |
6374 |
s->cc_op = CC_OP_DYNAMIC; |
6375 |
} |
6376 |
gen_jmp_im(pc_start - s->cs_base); |
6377 |
tcg_gen_helper_0_0(helper_sysexit); |
6378 |
gen_eob(s); |
6379 |
} |
6380 |
break;
|
6381 |
#ifdef TARGET_X86_64
|
6382 |
case 0x105: /* syscall */ |
6383 |
/* XXX: is it usable in real mode ? */
|
6384 |
if (s->cc_op != CC_OP_DYNAMIC) {
|
6385 |
gen_op_set_cc_op(s->cc_op); |
6386 |
s->cc_op = CC_OP_DYNAMIC; |
6387 |
} |
6388 |
gen_jmp_im(pc_start - s->cs_base); |
6389 |
tcg_gen_helper_0_1(helper_syscall, tcg_const_i32(s->pc - pc_start)); |
6390 |
gen_eob(s); |
6391 |
break;
|
6392 |
case 0x107: /* sysret */ |
6393 |
if (!s->pe) {
|
6394 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
6395 |
} else {
|
6396 |
if (s->cc_op != CC_OP_DYNAMIC) {
|
6397 |
gen_op_set_cc_op(s->cc_op); |
6398 |
s->cc_op = CC_OP_DYNAMIC; |
6399 |
} |
6400 |
gen_jmp_im(pc_start - s->cs_base); |
6401 |
tcg_gen_helper_0_1(helper_sysret, tcg_const_i32(s->dflag)); |
6402 |
/* condition codes are modified only in long mode */
|
6403 |
if (s->lma)
|
6404 |
s->cc_op = CC_OP_EFLAGS; |
6405 |
gen_eob(s); |
6406 |
} |
6407 |
break;
|
6408 |
#endif
|
6409 |
case 0x1a2: /* cpuid */ |
6410 |
tcg_gen_helper_0_0(helper_cpuid); |
6411 |
break;
|
6412 |
case 0xf4: /* hlt */ |
6413 |
if (s->cpl != 0) { |
6414 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
6415 |
} else {
|
6416 |
if (s->cc_op != CC_OP_DYNAMIC)
|
6417 |
gen_op_set_cc_op(s->cc_op); |
6418 |
gen_jmp_im(s->pc - s->cs_base); |
6419 |
tcg_gen_helper_0_0(helper_hlt); |
6420 |
s->is_jmp = 3;
|
6421 |
} |
6422 |
break;
|
6423 |
case 0x100: |
6424 |
modrm = ldub_code(s->pc++); |
6425 |
mod = (modrm >> 6) & 3; |
6426 |
op = (modrm >> 3) & 7; |
6427 |
switch(op) {
|
6428 |
case 0: /* sldt */ |
6429 |
if (!s->pe || s->vm86)
|
6430 |
goto illegal_op;
|
6431 |
gen_svm_check_intercept(s, pc_start, SVM_EXIT_LDTR_READ); |
6432 |
tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,ldt.selector));
|
6433 |
ot = OT_WORD; |
6434 |
if (mod == 3) |
6435 |
ot += s->dflag; |
6436 |
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1);
|
6437 |
break;
|
6438 |
case 2: /* lldt */ |
6439 |
if (!s->pe || s->vm86)
|
6440 |
goto illegal_op;
|
6441 |
if (s->cpl != 0) { |
6442 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
6443 |
} else {
|
6444 |
gen_svm_check_intercept(s, pc_start, SVM_EXIT_LDTR_WRITE); |
6445 |
gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
|
6446 |
gen_jmp_im(pc_start - s->cs_base); |
6447 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
6448 |
tcg_gen_helper_0_1(helper_lldt, cpu_tmp2_i32); |
6449 |
} |
6450 |
break;
|
6451 |
case 1: /* str */ |
6452 |
if (!s->pe || s->vm86)
|
6453 |
goto illegal_op;
|
6454 |
gen_svm_check_intercept(s, pc_start, SVM_EXIT_TR_READ); |
6455 |
tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,tr.selector));
|
6456 |
ot = OT_WORD; |
6457 |
if (mod == 3) |
6458 |
ot += s->dflag; |
6459 |
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1);
|
6460 |
break;
|
6461 |
case 3: /* ltr */ |
6462 |
if (!s->pe || s->vm86)
|
6463 |
goto illegal_op;
|
6464 |
if (s->cpl != 0) { |
6465 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
6466 |
} else {
|
6467 |
gen_svm_check_intercept(s, pc_start, SVM_EXIT_TR_WRITE); |
6468 |
gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
|
6469 |
gen_jmp_im(pc_start - s->cs_base); |
6470 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
6471 |
tcg_gen_helper_0_1(helper_ltr, cpu_tmp2_i32); |
6472 |
} |
6473 |
break;
|
6474 |
case 4: /* verr */ |
6475 |
case 5: /* verw */ |
6476 |
if (!s->pe || s->vm86)
|
6477 |
goto illegal_op;
|
6478 |
gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
|
6479 |
if (s->cc_op != CC_OP_DYNAMIC)
|
6480 |
gen_op_set_cc_op(s->cc_op); |
6481 |
if (op == 4) |
6482 |
tcg_gen_helper_0_1(helper_verr, cpu_T[0]);
|
6483 |
else
|
6484 |
tcg_gen_helper_0_1(helper_verw, cpu_T[0]);
|
6485 |
s->cc_op = CC_OP_EFLAGS; |
6486 |
break;
|
6487 |
default:
|
6488 |
goto illegal_op;
|
6489 |
} |
6490 |
break;
|
6491 |
case 0x101: |
6492 |
modrm = ldub_code(s->pc++); |
6493 |
mod = (modrm >> 6) & 3; |
6494 |
op = (modrm >> 3) & 7; |
6495 |
rm = modrm & 7;
|
6496 |
switch(op) {
|
6497 |
case 0: /* sgdt */ |
6498 |
if (mod == 3) |
6499 |
goto illegal_op;
|
6500 |
gen_svm_check_intercept(s, pc_start, SVM_EXIT_GDTR_READ); |
6501 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
6502 |
tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, gdt.limit));
|
6503 |
gen_op_st_T0_A0(OT_WORD + s->mem_index); |
6504 |
gen_add_A0_im(s, 2);
|
6505 |
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, gdt.base));
|
6506 |
if (!s->dflag)
|
6507 |
gen_op_andl_T0_im(0xffffff);
|
6508 |
gen_op_st_T0_A0(CODE64(s) + OT_LONG + s->mem_index); |
6509 |
break;
|
6510 |
case 1: |
6511 |
if (mod == 3) { |
6512 |
switch (rm) {
|
6513 |
case 0: /* monitor */ |
6514 |
if (!(s->cpuid_ext_features & CPUID_EXT_MONITOR) ||
|
6515 |
s->cpl != 0)
|
6516 |
goto illegal_op;
|
6517 |
gen_jmp_im(pc_start - s->cs_base); |
6518 |
#ifdef TARGET_X86_64
|
6519 |
if (s->aflag == 2) { |
6520 |
gen_op_movq_A0_reg(R_EAX); |
6521 |
} else
|
6522 |
#endif
|
6523 |
{ |
6524 |
gen_op_movl_A0_reg(R_EAX); |
6525 |
if (s->aflag == 0) |
6526 |
gen_op_andl_A0_ffff(); |
6527 |
} |
6528 |
gen_add_A0_ds_seg(s); |
6529 |
tcg_gen_helper_0_1(helper_monitor, cpu_A0); |
6530 |
break;
|
6531 |
case 1: /* mwait */ |
6532 |
if (!(s->cpuid_ext_features & CPUID_EXT_MONITOR) ||
|
6533 |
s->cpl != 0)
|
6534 |
goto illegal_op;
|
6535 |
if (s->cc_op != CC_OP_DYNAMIC) {
|
6536 |
gen_op_set_cc_op(s->cc_op); |
6537 |
s->cc_op = CC_OP_DYNAMIC; |
6538 |
} |
6539 |
gen_jmp_im(s->pc - s->cs_base); |
6540 |
tcg_gen_helper_0_0(helper_mwait); |
6541 |
gen_eob(s); |
6542 |
break;
|
6543 |
default:
|
6544 |
goto illegal_op;
|
6545 |
} |
6546 |
} else { /* sidt */ |
6547 |
gen_svm_check_intercept(s, pc_start, SVM_EXIT_IDTR_READ); |
6548 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
6549 |
tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, idt.limit));
|
6550 |
gen_op_st_T0_A0(OT_WORD + s->mem_index); |
6551 |
gen_add_A0_im(s, 2);
|
6552 |
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, idt.base));
|
6553 |
if (!s->dflag)
|
6554 |
gen_op_andl_T0_im(0xffffff);
|
6555 |
gen_op_st_T0_A0(CODE64(s) + OT_LONG + s->mem_index); |
6556 |
} |
6557 |
break;
|
6558 |
case 2: /* lgdt */ |
6559 |
case 3: /* lidt */ |
6560 |
if (mod == 3) { |
6561 |
if (s->cc_op != CC_OP_DYNAMIC)
|
6562 |
gen_op_set_cc_op(s->cc_op); |
6563 |
gen_jmp_im(pc_start - s->cs_base); |
6564 |
switch(rm) {
|
6565 |
case 0: /* VMRUN */ |
6566 |
if (!(s->flags & HF_SVME_MASK) || !s->pe)
|
6567 |
goto illegal_op;
|
6568 |
if (s->cpl != 0) { |
6569 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
6570 |
break;
|
6571 |
} else {
|
6572 |
tcg_gen_helper_0_2(helper_vmrun, |
6573 |
tcg_const_i32(s->aflag), |
6574 |
tcg_const_i32(s->pc - pc_start)); |
6575 |
tcg_gen_exit_tb(0);
|
6576 |
s->is_jmp = 3;
|
6577 |
} |
6578 |
break;
|
6579 |
case 1: /* VMMCALL */ |
6580 |
if (!(s->flags & HF_SVME_MASK))
|
6581 |
goto illegal_op;
|
6582 |
tcg_gen_helper_0_0(helper_vmmcall); |
6583 |
break;
|
6584 |
case 2: /* VMLOAD */ |
6585 |
if (!(s->flags & HF_SVME_MASK) || !s->pe)
|
6586 |
goto illegal_op;
|
6587 |
if (s->cpl != 0) { |
6588 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
6589 |
break;
|
6590 |
} else {
|
6591 |
tcg_gen_helper_0_1(helper_vmload, |
6592 |
tcg_const_i32(s->aflag)); |
6593 |
} |
6594 |
break;
|
6595 |
case 3: /* VMSAVE */ |
6596 |
if (!(s->flags & HF_SVME_MASK) || !s->pe)
|
6597 |
goto illegal_op;
|
6598 |
if (s->cpl != 0) { |
6599 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
6600 |
break;
|
6601 |
} else {
|
6602 |
tcg_gen_helper_0_1(helper_vmsave, |
6603 |
tcg_const_i32(s->aflag)); |
6604 |
} |
6605 |
break;
|
6606 |
case 4: /* STGI */ |
6607 |
if ((!(s->flags & HF_SVME_MASK) &&
|
6608 |
!(s->cpuid_ext3_features & CPUID_EXT3_SKINIT)) || |
6609 |
!s->pe) |
6610 |
goto illegal_op;
|
6611 |
if (s->cpl != 0) { |
6612 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
6613 |
break;
|
6614 |
} else {
|
6615 |
tcg_gen_helper_0_0(helper_stgi); |
6616 |
} |
6617 |
break;
|
6618 |
case 5: /* CLGI */ |
6619 |
if (!(s->flags & HF_SVME_MASK) || !s->pe)
|
6620 |
goto illegal_op;
|
6621 |
if (s->cpl != 0) { |
6622 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
6623 |
break;
|
6624 |
} else {
|
6625 |
tcg_gen_helper_0_0(helper_clgi); |
6626 |
} |
6627 |
break;
|
6628 |
case 6: /* SKINIT */ |
6629 |
if ((!(s->flags & HF_SVME_MASK) &&
|
6630 |
!(s->cpuid_ext3_features & CPUID_EXT3_SKINIT)) || |
6631 |
!s->pe) |
6632 |
goto illegal_op;
|
6633 |
tcg_gen_helper_0_0(helper_skinit); |
6634 |
break;
|
6635 |
case 7: /* INVLPGA */ |
6636 |
if (!(s->flags & HF_SVME_MASK) || !s->pe)
|
6637 |
goto illegal_op;
|
6638 |
if (s->cpl != 0) { |
6639 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
6640 |
break;
|
6641 |
} else {
|
6642 |
tcg_gen_helper_0_1(helper_invlpga, |
6643 |
tcg_const_i32(s->aflag)); |
6644 |
} |
6645 |
break;
|
6646 |
default:
|
6647 |
goto illegal_op;
|
6648 |
} |
6649 |
} else if (s->cpl != 0) { |
6650 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
6651 |
} else {
|
6652 |
gen_svm_check_intercept(s, pc_start, |
6653 |
op==2 ? SVM_EXIT_GDTR_WRITE : SVM_EXIT_IDTR_WRITE);
|
6654 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
6655 |
gen_op_ld_T1_A0(OT_WORD + s->mem_index); |
6656 |
gen_add_A0_im(s, 2);
|
6657 |
gen_op_ld_T0_A0(CODE64(s) + OT_LONG + s->mem_index); |
6658 |
if (!s->dflag)
|
6659 |
gen_op_andl_T0_im(0xffffff);
|
6660 |
if (op == 2) { |
6661 |
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,gdt.base));
|
6662 |
tcg_gen_st32_tl(cpu_T[1], cpu_env, offsetof(CPUX86State,gdt.limit));
|
6663 |
} else {
|
6664 |
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,idt.base));
|
6665 |
tcg_gen_st32_tl(cpu_T[1], cpu_env, offsetof(CPUX86State,idt.limit));
|
6666 |
} |
6667 |
} |
6668 |
break;
|
6669 |
case 4: /* smsw */ |
6670 |
gen_svm_check_intercept(s, pc_start, SVM_EXIT_READ_CR0); |
6671 |
tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,cr[0])); |
6672 |
gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 1);
|
6673 |
break;
|
6674 |
case 6: /* lmsw */ |
6675 |
if (s->cpl != 0) { |
6676 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
6677 |
} else {
|
6678 |
gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0); |
6679 |
gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
|
6680 |
tcg_gen_helper_0_1(helper_lmsw, cpu_T[0]);
|
6681 |
gen_jmp_im(s->pc - s->cs_base); |
6682 |
gen_eob(s); |
6683 |
} |
6684 |
break;
|
6685 |
case 7: /* invlpg */ |
6686 |
if (s->cpl != 0) { |
6687 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
6688 |
} else {
|
6689 |
if (mod == 3) { |
6690 |
#ifdef TARGET_X86_64
|
6691 |
if (CODE64(s) && rm == 0) { |
6692 |
/* swapgs */
|
6693 |
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,segs[R_GS].base));
|
6694 |
tcg_gen_ld_tl(cpu_T[1], cpu_env, offsetof(CPUX86State,kernelgsbase));
|
6695 |
tcg_gen_st_tl(cpu_T[1], cpu_env, offsetof(CPUX86State,segs[R_GS].base));
|
6696 |
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,kernelgsbase));
|
6697 |
} else
|
6698 |
#endif
|
6699 |
{ |
6700 |
goto illegal_op;
|
6701 |
} |
6702 |
} else {
|
6703 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
6704 |
tcg_gen_helper_0_1(helper_invlpg, cpu_A0); |
6705 |
gen_jmp_im(s->pc - s->cs_base); |
6706 |
gen_eob(s); |
6707 |
} |
6708 |
} |
6709 |
break;
|
6710 |
default:
|
6711 |
goto illegal_op;
|
6712 |
} |
6713 |
break;
|
6714 |
case 0x108: /* invd */ |
6715 |
case 0x109: /* wbinvd */ |
6716 |
if (s->cpl != 0) { |
6717 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
6718 |
} else {
|
6719 |
gen_svm_check_intercept(s, pc_start, (b & 2) ? SVM_EXIT_INVD : SVM_EXIT_WBINVD);
|
6720 |
/* nothing to do */
|
6721 |
} |
6722 |
break;
|
6723 |
case 0x63: /* arpl or movslS (x86_64) */ |
6724 |
#ifdef TARGET_X86_64
|
6725 |
if (CODE64(s)) {
|
6726 |
int d_ot;
|
6727 |
/* d_ot is the size of destination */
|
6728 |
d_ot = dflag + OT_WORD; |
6729 |
|
6730 |
modrm = ldub_code(s->pc++); |
6731 |
reg = ((modrm >> 3) & 7) | rex_r; |
6732 |
mod = (modrm >> 6) & 3; |
6733 |
rm = (modrm & 7) | REX_B(s);
|
6734 |
|
6735 |
if (mod == 3) { |
6736 |
gen_op_mov_TN_reg(OT_LONG, 0, rm);
|
6737 |
/* sign extend */
|
6738 |
if (d_ot == OT_QUAD)
|
6739 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
6740 |
gen_op_mov_reg_T0(d_ot, reg); |
6741 |
} else {
|
6742 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
6743 |
if (d_ot == OT_QUAD) {
|
6744 |
gen_op_lds_T0_A0(OT_LONG + s->mem_index); |
6745 |
} else {
|
6746 |
gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
6747 |
} |
6748 |
gen_op_mov_reg_T0(d_ot, reg); |
6749 |
} |
6750 |
} else
|
6751 |
#endif
|
6752 |
{ |
6753 |
int label1;
|
6754 |
TCGv t0, t1, t2; |
6755 |
|
6756 |
if (!s->pe || s->vm86)
|
6757 |
goto illegal_op;
|
6758 |
t0 = tcg_temp_local_new(TCG_TYPE_TL); |
6759 |
t1 = tcg_temp_local_new(TCG_TYPE_TL); |
6760 |
t2 = tcg_temp_local_new(TCG_TYPE_TL); |
6761 |
ot = OT_WORD; |
6762 |
modrm = ldub_code(s->pc++); |
6763 |
reg = (modrm >> 3) & 7; |
6764 |
mod = (modrm >> 6) & 3; |
6765 |
rm = modrm & 7;
|
6766 |
if (mod != 3) { |
6767 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
6768 |
gen_op_ld_v(ot + s->mem_index, t0, cpu_A0); |
6769 |
} else {
|
6770 |
gen_op_mov_v_reg(ot, t0, rm); |
6771 |
} |
6772 |
gen_op_mov_v_reg(ot, t1, reg); |
6773 |
tcg_gen_andi_tl(cpu_tmp0, t0, 3);
|
6774 |
tcg_gen_andi_tl(t1, t1, 3);
|
6775 |
tcg_gen_movi_tl(t2, 0);
|
6776 |
label1 = gen_new_label(); |
6777 |
tcg_gen_brcond_tl(TCG_COND_GE, cpu_tmp0, t1, label1); |
6778 |
tcg_gen_andi_tl(t0, t0, ~3);
|
6779 |
tcg_gen_or_tl(t0, t0, t1); |
6780 |
tcg_gen_movi_tl(t2, CC_Z); |
6781 |
gen_set_label(label1); |
6782 |
if (mod != 3) { |
6783 |
gen_op_st_v(ot + s->mem_index, t0, cpu_A0); |
6784 |
} else {
|
6785 |
gen_op_mov_reg_v(ot, rm, t0); |
6786 |
} |
6787 |
if (s->cc_op != CC_OP_DYNAMIC)
|
6788 |
gen_op_set_cc_op(s->cc_op); |
6789 |
gen_compute_eflags(cpu_cc_src); |
6790 |
tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, ~CC_Z); |
6791 |
tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, t2); |
6792 |
s->cc_op = CC_OP_EFLAGS; |
6793 |
tcg_temp_free(t0); |
6794 |
tcg_temp_free(t1); |
6795 |
tcg_temp_free(t2); |
6796 |
} |
6797 |
break;
|
6798 |
case 0x102: /* lar */ |
6799 |
case 0x103: /* lsl */ |
6800 |
{ |
6801 |
int label1;
|
6802 |
TCGv t0; |
6803 |
if (!s->pe || s->vm86)
|
6804 |
goto illegal_op;
|
6805 |
ot = dflag ? OT_LONG : OT_WORD; |
6806 |
modrm = ldub_code(s->pc++); |
6807 |
reg = ((modrm >> 3) & 7) | rex_r; |
6808 |
gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
|
6809 |
t0 = tcg_temp_local_new(TCG_TYPE_TL); |
6810 |
if (s->cc_op != CC_OP_DYNAMIC)
|
6811 |
gen_op_set_cc_op(s->cc_op); |
6812 |
if (b == 0x102) |
6813 |
tcg_gen_helper_1_1(helper_lar, t0, cpu_T[0]);
|
6814 |
else
|
6815 |
tcg_gen_helper_1_1(helper_lsl, t0, cpu_T[0]);
|
6816 |
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_src, CC_Z); |
6817 |
label1 = gen_new_label(); |
6818 |
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_tmp0, 0, label1);
|
6819 |
gen_op_mov_reg_v(ot, reg, t0); |
6820 |
gen_set_label(label1); |
6821 |
s->cc_op = CC_OP_EFLAGS; |
6822 |
tcg_temp_free(t0); |
6823 |
} |
6824 |
break;
|
6825 |
case 0x118: |
6826 |
modrm = ldub_code(s->pc++); |
6827 |
mod = (modrm >> 6) & 3; |
6828 |
op = (modrm >> 3) & 7; |
6829 |
switch(op) {
|
6830 |
case 0: /* prefetchnta */ |
6831 |
case 1: /* prefetchnt0 */ |
6832 |
case 2: /* prefetchnt0 */ |
6833 |
case 3: /* prefetchnt0 */ |
6834 |
if (mod == 3) |
6835 |
goto illegal_op;
|
6836 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
6837 |
/* nothing more to do */
|
6838 |
break;
|
6839 |
default: /* nop (multi byte) */ |
6840 |
gen_nop_modrm(s, modrm); |
6841 |
break;
|
6842 |
} |
6843 |
break;
|
6844 |
case 0x119 ... 0x11f: /* nop (multi byte) */ |
6845 |
modrm = ldub_code(s->pc++); |
6846 |
gen_nop_modrm(s, modrm); |
6847 |
break;
|
6848 |
case 0x120: /* mov reg, crN */ |
6849 |
case 0x122: /* mov crN, reg */ |
6850 |
if (s->cpl != 0) { |
6851 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
6852 |
} else {
|
6853 |
modrm = ldub_code(s->pc++); |
6854 |
if ((modrm & 0xc0) != 0xc0) |
6855 |
goto illegal_op;
|
6856 |
rm = (modrm & 7) | REX_B(s);
|
6857 |
reg = ((modrm >> 3) & 7) | rex_r; |
6858 |
if (CODE64(s))
|
6859 |
ot = OT_QUAD; |
6860 |
else
|
6861 |
ot = OT_LONG; |
6862 |
switch(reg) {
|
6863 |
case 0: |
6864 |
case 2: |
6865 |
case 3: |
6866 |
case 4: |
6867 |
case 8: |
6868 |
if (s->cc_op != CC_OP_DYNAMIC)
|
6869 |
gen_op_set_cc_op(s->cc_op); |
6870 |
gen_jmp_im(pc_start - s->cs_base); |
6871 |
if (b & 2) { |
6872 |
gen_op_mov_TN_reg(ot, 0, rm);
|
6873 |
tcg_gen_helper_0_2(helper_write_crN, |
6874 |
tcg_const_i32(reg), cpu_T[0]);
|
6875 |
gen_jmp_im(s->pc - s->cs_base); |
6876 |
gen_eob(s); |
6877 |
} else {
|
6878 |
tcg_gen_helper_1_1(helper_read_crN, |
6879 |
cpu_T[0], tcg_const_i32(reg));
|
6880 |
gen_op_mov_reg_T0(ot, rm); |
6881 |
} |
6882 |
break;
|
6883 |
default:
|
6884 |
goto illegal_op;
|
6885 |
} |
6886 |
} |
6887 |
break;
|
6888 |
case 0x121: /* mov reg, drN */ |
6889 |
case 0x123: /* mov drN, reg */ |
6890 |
if (s->cpl != 0) { |
6891 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
6892 |
} else {
|
6893 |
modrm = ldub_code(s->pc++); |
6894 |
if ((modrm & 0xc0) != 0xc0) |
6895 |
goto illegal_op;
|
6896 |
rm = (modrm & 7) | REX_B(s);
|
6897 |
reg = ((modrm >> 3) & 7) | rex_r; |
6898 |
if (CODE64(s))
|
6899 |
ot = OT_QUAD; |
6900 |
else
|
6901 |
ot = OT_LONG; |
6902 |
/* XXX: do it dynamically with CR4.DE bit */
|
6903 |
if (reg == 4 || reg == 5 || reg >= 8) |
6904 |
goto illegal_op;
|
6905 |
if (b & 2) { |
6906 |
gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_DR0 + reg); |
6907 |
gen_op_mov_TN_reg(ot, 0, rm);
|
6908 |
tcg_gen_helper_0_2(helper_movl_drN_T0, |
6909 |
tcg_const_i32(reg), cpu_T[0]);
|
6910 |
gen_jmp_im(s->pc - s->cs_base); |
6911 |
gen_eob(s); |
6912 |
} else {
|
6913 |
gen_svm_check_intercept(s, pc_start, SVM_EXIT_READ_DR0 + reg); |
6914 |
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,dr[reg]));
|
6915 |
gen_op_mov_reg_T0(ot, rm); |
6916 |
} |
6917 |
} |
6918 |
break;
|
6919 |
case 0x106: /* clts */ |
6920 |
if (s->cpl != 0) { |
6921 |
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
6922 |
} else {
|
6923 |
gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0); |
6924 |
tcg_gen_helper_0_0(helper_clts); |
6925 |
/* abort block because static cpu state changed */
|
6926 |
gen_jmp_im(s->pc - s->cs_base); |
6927 |
gen_eob(s); |
6928 |
} |
6929 |
break;
|
6930 |
/* MMX/3DNow!/SSE/SSE2/SSE3 support */
|
6931 |
case 0x1c3: /* MOVNTI reg, mem */ |
6932 |
if (!(s->cpuid_features & CPUID_SSE2))
|
6933 |
goto illegal_op;
|
6934 |
ot = s->dflag == 2 ? OT_QUAD : OT_LONG;
|
6935 |
modrm = ldub_code(s->pc++); |
6936 |
mod = (modrm >> 6) & 3; |
6937 |
if (mod == 3) |
6938 |
goto illegal_op;
|
6939 |
reg = ((modrm >> 3) & 7) | rex_r; |
6940 |
/* generate a generic store */
|
6941 |
gen_ldst_modrm(s, modrm, ot, reg, 1);
|
6942 |
break;
|
6943 |
case 0x1ae: |
6944 |
modrm = ldub_code(s->pc++); |
6945 |
mod = (modrm >> 6) & 3; |
6946 |
op = (modrm >> 3) & 7; |
6947 |
switch(op) {
|
6948 |
case 0: /* fxsave */ |
6949 |
if (mod == 3 || !(s->cpuid_features & CPUID_FXSR) || |
6950 |
(s->flags & HF_EM_MASK)) |
6951 |
goto illegal_op;
|
6952 |
if (s->flags & HF_TS_MASK) {
|
6953 |
gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); |
6954 |
break;
|
6955 |
} |
6956 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
6957 |
if (s->cc_op != CC_OP_DYNAMIC)
|
6958 |
gen_op_set_cc_op(s->cc_op); |
6959 |
gen_jmp_im(pc_start - s->cs_base); |
6960 |
tcg_gen_helper_0_2(helper_fxsave, |
6961 |
cpu_A0, tcg_const_i32((s->dflag == 2)));
|
6962 |
break;
|
6963 |
case 1: /* fxrstor */ |
6964 |
if (mod == 3 || !(s->cpuid_features & CPUID_FXSR) || |
6965 |
(s->flags & HF_EM_MASK)) |
6966 |
goto illegal_op;
|
6967 |
if (s->flags & HF_TS_MASK) {
|
6968 |
gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); |
6969 |
break;
|
6970 |
} |
6971 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
6972 |
if (s->cc_op != CC_OP_DYNAMIC)
|
6973 |
gen_op_set_cc_op(s->cc_op); |
6974 |
gen_jmp_im(pc_start - s->cs_base); |
6975 |
tcg_gen_helper_0_2(helper_fxrstor, |
6976 |
cpu_A0, tcg_const_i32((s->dflag == 2)));
|
6977 |
break;
|
6978 |
case 2: /* ldmxcsr */ |
6979 |
case 3: /* stmxcsr */ |
6980 |
if (s->flags & HF_TS_MASK) {
|
6981 |
gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); |
6982 |
break;
|
6983 |
} |
6984 |
if ((s->flags & HF_EM_MASK) || !(s->flags & HF_OSFXSR_MASK) ||
|
6985 |
mod == 3)
|
6986 |
goto illegal_op;
|
6987 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
6988 |
if (op == 2) { |
6989 |
gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
6990 |
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, mxcsr));
|
6991 |
} else {
|
6992 |
tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, mxcsr));
|
6993 |
gen_op_st_T0_A0(OT_LONG + s->mem_index); |
6994 |
} |
6995 |
break;
|
6996 |
case 5: /* lfence */ |
6997 |
case 6: /* mfence */ |
6998 |
if ((modrm & 0xc7) != 0xc0 || !(s->cpuid_features & CPUID_SSE)) |
6999 |
goto illegal_op;
|
7000 |
break;
|
7001 |
case 7: /* sfence / clflush */ |
7002 |
if ((modrm & 0xc7) == 0xc0) { |
7003 |
/* sfence */
|
7004 |
/* XXX: also check for cpuid_ext2_features & CPUID_EXT2_EMMX */
|
7005 |
if (!(s->cpuid_features & CPUID_SSE))
|
7006 |
goto illegal_op;
|
7007 |
} else {
|
7008 |
/* clflush */
|
7009 |
if (!(s->cpuid_features & CPUID_CLFLUSH))
|
7010 |
goto illegal_op;
|
7011 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
7012 |
} |
7013 |
break;
|
7014 |
default:
|
7015 |
goto illegal_op;
|
7016 |
} |
7017 |
break;
|
7018 |
case 0x10d: /* 3DNow! prefetch(w) */ |
7019 |
modrm = ldub_code(s->pc++); |
7020 |
mod = (modrm >> 6) & 3; |
7021 |
if (mod == 3) |
7022 |
goto illegal_op;
|
7023 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
7024 |
/* ignore for now */
|
7025 |
break;
|
7026 |
case 0x1aa: /* rsm */ |
7027 |
gen_svm_check_intercept(s, pc_start, SVM_EXIT_RSM); |
7028 |
if (!(s->flags & HF_SMM_MASK))
|
7029 |
goto illegal_op;
|
7030 |
if (s->cc_op != CC_OP_DYNAMIC) {
|
7031 |
gen_op_set_cc_op(s->cc_op); |
7032 |
s->cc_op = CC_OP_DYNAMIC; |
7033 |
} |
7034 |
gen_jmp_im(s->pc - s->cs_base); |
7035 |
tcg_gen_helper_0_0(helper_rsm); |
7036 |
gen_eob(s); |
7037 |
break;
|
7038 |
case 0x10e ... 0x10f: |
7039 |
/* 3DNow! instructions, ignore prefixes */
|
7040 |
s->prefix &= ~(PREFIX_REPZ | PREFIX_REPNZ | PREFIX_DATA); |
7041 |
case 0x110 ... 0x117: |
7042 |
case 0x128 ... 0x12f: |
7043 |
case 0x150 ... 0x177: |
7044 |
case 0x17c ... 0x17f: |
7045 |
case 0x1c2: |
7046 |
case 0x1c4 ... 0x1c6: |
7047 |
case 0x1d0 ... 0x1fe: |
7048 |
gen_sse(s, b, pc_start, rex_r); |
7049 |
break;
|
7050 |
default:
|
7051 |
goto illegal_op;
|
7052 |
} |
7053 |
/* lock generation */
|
7054 |
if (s->prefix & PREFIX_LOCK)
|
7055 |
tcg_gen_helper_0_0(helper_unlock); |
7056 |
return s->pc;
|
7057 |
illegal_op:
|
7058 |
if (s->prefix & PREFIX_LOCK)
|
7059 |
tcg_gen_helper_0_0(helper_unlock); |
7060 |
/* XXX: ensure that no lock was generated */
|
7061 |
gen_exception(s, EXCP06_ILLOP, pc_start - s->cs_base); |
7062 |
return s->pc;
|
7063 |
} |
7064 |
|
7065 |
void optimize_flags_init(void) |
7066 |
{ |
7067 |
#if TCG_TARGET_REG_BITS == 32 |
7068 |
assert(sizeof(CCTable) == (1 << 3)); |
7069 |
#else
|
7070 |
assert(sizeof(CCTable) == (1 << 4)); |
7071 |
#endif
|
7072 |
cpu_env = tcg_global_reg_new(TCG_TYPE_PTR, TCG_AREG0, "env");
|
7073 |
cpu_cc_op = tcg_global_mem_new(TCG_TYPE_I32, |
7074 |
TCG_AREG0, offsetof(CPUState, cc_op), "cc_op");
|
7075 |
cpu_cc_src = tcg_global_mem_new(TCG_TYPE_TL, |
7076 |
TCG_AREG0, offsetof(CPUState, cc_src), "cc_src");
|
7077 |
cpu_cc_dst = tcg_global_mem_new(TCG_TYPE_TL, |
7078 |
TCG_AREG0, offsetof(CPUState, cc_dst), "cc_dst");
|
7079 |
cpu_cc_tmp = tcg_global_mem_new(TCG_TYPE_TL, |
7080 |
TCG_AREG0, offsetof(CPUState, cc_tmp), "cc_tmp");
|
7081 |
|
7082 |
/* register helpers */
|
7083 |
|
7084 |
#define DEF_HELPER(ret, name, params) tcg_register_helper(name, #name); |
7085 |
#include "helper.h" |
7086 |
} |
7087 |
|
7088 |
/* generate intermediate code in gen_opc_buf and gen_opparam_buf for
|
7089 |
basic block 'tb'. If search_pc is TRUE, also generate PC
|
7090 |
information for each intermediate instruction. */
|
7091 |
static inline int gen_intermediate_code_internal(CPUState *env, |
7092 |
TranslationBlock *tb, |
7093 |
int search_pc)
|
7094 |
{ |
7095 |
DisasContext dc1, *dc = &dc1; |
7096 |
target_ulong pc_ptr; |
7097 |
uint16_t *gen_opc_end; |
7098 |
int j, lj, cflags;
|
7099 |
uint64_t flags; |
7100 |
target_ulong pc_start; |
7101 |
target_ulong cs_base; |
7102 |
|
7103 |
/* generate intermediate code */
|
7104 |
pc_start = tb->pc; |
7105 |
cs_base = tb->cs_base; |
7106 |
flags = tb->flags; |
7107 |
cflags = tb->cflags; |
7108 |
|
7109 |
dc->pe = (flags >> HF_PE_SHIFT) & 1;
|
7110 |
dc->code32 = (flags >> HF_CS32_SHIFT) & 1;
|
7111 |
dc->ss32 = (flags >> HF_SS32_SHIFT) & 1;
|
7112 |
dc->addseg = (flags >> HF_ADDSEG_SHIFT) & 1;
|
7113 |
dc->f_st = 0;
|
7114 |
dc->vm86 = (flags >> VM_SHIFT) & 1;
|
7115 |
dc->cpl = (flags >> HF_CPL_SHIFT) & 3;
|
7116 |
dc->iopl = (flags >> IOPL_SHIFT) & 3;
|
7117 |
dc->tf = (flags >> TF_SHIFT) & 1;
|
7118 |
dc->singlestep_enabled = env->singlestep_enabled; |
7119 |
dc->cc_op = CC_OP_DYNAMIC; |
7120 |
dc->cs_base = cs_base; |
7121 |
dc->tb = tb; |
7122 |
dc->popl_esp_hack = 0;
|
7123 |
/* select memory access functions */
|
7124 |
dc->mem_index = 0;
|
7125 |
if (flags & HF_SOFTMMU_MASK) {
|
7126 |
if (dc->cpl == 3) |
7127 |
dc->mem_index = 2 * 4; |
7128 |
else
|
7129 |
dc->mem_index = 1 * 4; |
7130 |
} |
7131 |
dc->cpuid_features = env->cpuid_features; |
7132 |
dc->cpuid_ext_features = env->cpuid_ext_features; |
7133 |
dc->cpuid_ext2_features = env->cpuid_ext2_features; |
7134 |
dc->cpuid_ext3_features = env->cpuid_ext3_features; |
7135 |
#ifdef TARGET_X86_64
|
7136 |
dc->lma = (flags >> HF_LMA_SHIFT) & 1;
|
7137 |
dc->code64 = (flags >> HF_CS64_SHIFT) & 1;
|
7138 |
#endif
|
7139 |
dc->flags = flags; |
7140 |
dc->jmp_opt = !(dc->tf || env->singlestep_enabled || |
7141 |
(flags & HF_INHIBIT_IRQ_MASK) |
7142 |
#ifndef CONFIG_SOFTMMU
|
7143 |
|| (flags & HF_SOFTMMU_MASK) |
7144 |
#endif
|
7145 |
); |
7146 |
#if 0
|
7147 |
/* check addseg logic */
|
7148 |
if (!dc->addseg && (dc->vm86 || !dc->pe || !dc->code32))
|
7149 |
printf("ERROR addseg\n");
|
7150 |
#endif
|
7151 |
|
7152 |
cpu_T[0] = tcg_temp_new(TCG_TYPE_TL);
|
7153 |
cpu_T[1] = tcg_temp_new(TCG_TYPE_TL);
|
7154 |
cpu_A0 = tcg_temp_new(TCG_TYPE_TL); |
7155 |
cpu_T3 = tcg_temp_new(TCG_TYPE_TL); |
7156 |
|
7157 |
cpu_tmp0 = tcg_temp_new(TCG_TYPE_TL); |
7158 |
cpu_tmp1_i64 = tcg_temp_new(TCG_TYPE_I64); |
7159 |
cpu_tmp2_i32 = tcg_temp_new(TCG_TYPE_I32); |
7160 |
cpu_tmp3_i32 = tcg_temp_new(TCG_TYPE_I32); |
7161 |
cpu_tmp4 = tcg_temp_new(TCG_TYPE_TL); |
7162 |
cpu_tmp5 = tcg_temp_new(TCG_TYPE_TL); |
7163 |
cpu_tmp6 = tcg_temp_new(TCG_TYPE_TL); |
7164 |
cpu_ptr0 = tcg_temp_new(TCG_TYPE_PTR); |
7165 |
cpu_ptr1 = tcg_temp_new(TCG_TYPE_PTR); |
7166 |
|
7167 |
gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
7168 |
|
7169 |
dc->is_jmp = DISAS_NEXT; |
7170 |
pc_ptr = pc_start; |
7171 |
lj = -1;
|
7172 |
|
7173 |
for(;;) {
|
7174 |
if (env->nb_breakpoints > 0) { |
7175 |
for(j = 0; j < env->nb_breakpoints; j++) { |
7176 |
if (env->breakpoints[j] == pc_ptr) {
|
7177 |
gen_debug(dc, pc_ptr - dc->cs_base); |
7178 |
break;
|
7179 |
} |
7180 |
} |
7181 |
} |
7182 |
if (search_pc) {
|
7183 |
j = gen_opc_ptr - gen_opc_buf; |
7184 |
if (lj < j) {
|
7185 |
lj++; |
7186 |
while (lj < j)
|
7187 |
gen_opc_instr_start[lj++] = 0;
|
7188 |
} |
7189 |
gen_opc_pc[lj] = pc_ptr; |
7190 |
gen_opc_cc_op[lj] = dc->cc_op; |
7191 |
gen_opc_instr_start[lj] = 1;
|
7192 |
} |
7193 |
pc_ptr = disas_insn(dc, pc_ptr); |
7194 |
/* stop translation if indicated */
|
7195 |
if (dc->is_jmp)
|
7196 |
break;
|
7197 |
/* if single step mode, we generate only one instruction and
|
7198 |
generate an exception */
|
7199 |
/* if irq were inhibited with HF_INHIBIT_IRQ_MASK, we clear
|
7200 |
the flag and abort the translation to give the irqs a
|
7201 |
change to be happen */
|
7202 |
if (dc->tf || dc->singlestep_enabled ||
|
7203 |
(flags & HF_INHIBIT_IRQ_MASK) || |
7204 |
(cflags & CF_SINGLE_INSN)) { |
7205 |
gen_jmp_im(pc_ptr - dc->cs_base); |
7206 |
gen_eob(dc); |
7207 |
break;
|
7208 |
} |
7209 |
/* if too long translation, stop generation too */
|
7210 |
if (gen_opc_ptr >= gen_opc_end ||
|
7211 |
(pc_ptr - pc_start) >= (TARGET_PAGE_SIZE - 32)) {
|
7212 |
gen_jmp_im(pc_ptr - dc->cs_base); |
7213 |
gen_eob(dc); |
7214 |
break;
|
7215 |
} |
7216 |
} |
7217 |
*gen_opc_ptr = INDEX_op_end; |
7218 |
/* we don't forget to fill the last values */
|
7219 |
if (search_pc) {
|
7220 |
j = gen_opc_ptr - gen_opc_buf; |
7221 |
lj++; |
7222 |
while (lj <= j)
|
7223 |
gen_opc_instr_start[lj++] = 0;
|
7224 |
} |
7225 |
|
7226 |
#ifdef DEBUG_DISAS
|
7227 |
if (loglevel & CPU_LOG_TB_CPU) {
|
7228 |
cpu_dump_state(env, logfile, fprintf, X86_DUMP_CCOP); |
7229 |
} |
7230 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
7231 |
int disas_flags;
|
7232 |
fprintf(logfile, "----------------\n");
|
7233 |
fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
|
7234 |
#ifdef TARGET_X86_64
|
7235 |
if (dc->code64)
|
7236 |
disas_flags = 2;
|
7237 |
else
|
7238 |
#endif
|
7239 |
disas_flags = !dc->code32; |
7240 |
target_disas(logfile, pc_start, pc_ptr - pc_start, disas_flags); |
7241 |
fprintf(logfile, "\n");
|
7242 |
} |
7243 |
#endif
|
7244 |
|
7245 |
if (!search_pc)
|
7246 |
tb->size = pc_ptr - pc_start; |
7247 |
return 0; |
7248 |
} |
7249 |
|
7250 |
int gen_intermediate_code(CPUState *env, TranslationBlock *tb)
|
7251 |
{ |
7252 |
return gen_intermediate_code_internal(env, tb, 0); |
7253 |
} |
7254 |
|
7255 |
int gen_intermediate_code_pc(CPUState *env, TranslationBlock *tb)
|
7256 |
{ |
7257 |
return gen_intermediate_code_internal(env, tb, 1); |
7258 |
} |
7259 |
|
7260 |
void gen_pc_load(CPUState *env, TranslationBlock *tb,
|
7261 |
unsigned long searched_pc, int pc_pos, void *puc) |
7262 |
{ |
7263 |
int cc_op;
|
7264 |
#ifdef DEBUG_DISAS
|
7265 |
if (loglevel & CPU_LOG_TB_OP) {
|
7266 |
int i;
|
7267 |
fprintf(logfile, "RESTORE:\n");
|
7268 |
for(i = 0;i <= pc_pos; i++) { |
7269 |
if (gen_opc_instr_start[i]) {
|
7270 |
fprintf(logfile, "0x%04x: " TARGET_FMT_lx "\n", i, gen_opc_pc[i]); |
7271 |
} |
7272 |
} |
7273 |
fprintf(logfile, "spc=0x%08lx pc_pos=0x%x eip=" TARGET_FMT_lx " cs_base=%x\n", |
7274 |
searched_pc, pc_pos, gen_opc_pc[pc_pos] - tb->cs_base, |
7275 |
(uint32_t)tb->cs_base); |
7276 |
} |
7277 |
#endif
|
7278 |
env->eip = gen_opc_pc[pc_pos] - tb->cs_base; |
7279 |
cc_op = gen_opc_cc_op[pc_pos]; |
7280 |
if (cc_op != CC_OP_DYNAMIC)
|
7281 |
env->cc_op = cc_op; |
7282 |
} |