6dc2d0daee
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5367 c046a42c-6fe2-441c-8c8c-71466251a162
7467 lines
241 KiB
C
7467 lines
241 KiB
C
/*
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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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#include "gen-icount.h"
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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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}
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}
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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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}
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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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}
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}
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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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}
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static inline void gen_op_movl_A0_reg(int reg)
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{
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tcg_gen_ld32u_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg]) + REG_L_OFFSET);
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}
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static inline void gen_op_addl_A0_im(int32_t val)
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{
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tcg_gen_addi_tl(cpu_A0, cpu_A0, val);
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#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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}
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#ifdef TARGET_X86_64
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static inline void gen_op_addq_A0_im(int64_t val)
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{
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tcg_gen_addi_tl(cpu_A0, cpu_A0, val);
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}
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#endif
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static void gen_add_A0_im(DisasContext *s, int val)
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{
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#ifdef TARGET_X86_64
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if (CODE64(s))
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gen_op_addq_A0_im(val);
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else
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#endif
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gen_op_addl_A0_im(val);
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}
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static inline void gen_op_addl_T0_T1(void)
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{
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tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
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}
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static inline void gen_op_jmp_T0(void)
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{
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tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUState, eip));
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}
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static inline void gen_op_add_reg_im(int size, int reg, int32_t val)
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{
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switch(size) {
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case 0:
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tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]));
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tcg_gen_addi_tl(cpu_tmp0, cpu_tmp0, val);
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tcg_gen_st16_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]) + REG_W_OFFSET);
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break;
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case 1:
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tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]));
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tcg_gen_addi_tl(cpu_tmp0, cpu_tmp0, val);
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#ifdef TARGET_X86_64
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tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, 0xffffffff);
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#endif
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tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]));
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break;
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#ifdef TARGET_X86_64
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case 2:
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tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]));
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tcg_gen_addi_tl(cpu_tmp0, cpu_tmp0, val);
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tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]));
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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_add_reg_T0(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_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]));
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tcg_gen_add_tl(cpu_tmp0, cpu_tmp0, cpu_T[0]);
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tcg_gen_st16_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]) + REG_W_OFFSET);
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break;
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case 1:
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tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]));
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tcg_gen_add_tl(cpu_tmp0, cpu_tmp0, cpu_T[0]);
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#ifdef TARGET_X86_64
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tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, 0xffffffff);
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#endif
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tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]));
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break;
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#ifdef TARGET_X86_64
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case 2:
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tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]));
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tcg_gen_add_tl(cpu_tmp0, cpu_tmp0, cpu_T[0]);
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tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]));
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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_set_cc_op(int32_t val)
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{
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tcg_gen_movi_i32(cpu_cc_op, val);
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}
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static inline void gen_op_addl_A0_reg_sN(int shift, int reg)
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{
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tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]));
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if (shift != 0)
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tcg_gen_shli_tl(cpu_tmp0, cpu_tmp0, shift);
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tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0);
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#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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}
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static inline void gen_op_movl_A0_seg(int reg)
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{
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tcg_gen_ld32u_tl(cpu_A0, cpu_env, offsetof(CPUState, segs[reg].base) + REG_L_OFFSET);
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}
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static inline void gen_op_addl_A0_seg(int reg)
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{
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tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, segs[reg].base));
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tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0);
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#ifdef TARGET_X86_64
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tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffffffff);
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#endif
|
|
}
|
|
|
|
#ifdef TARGET_X86_64
|
|
static inline void gen_op_movq_A0_seg(int reg)
|
|
{
|
|
tcg_gen_ld_tl(cpu_A0, cpu_env, offsetof(CPUState, segs[reg].base));
|
|
}
|
|
|
|
static inline void gen_op_addq_A0_seg(int reg)
|
|
{
|
|
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, segs[reg].base));
|
|
tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0);
|
|
}
|
|
|
|
static inline void gen_op_movq_A0_reg(int reg)
|
|
{
|
|
tcg_gen_ld_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg]));
|
|
}
|
|
|
|
static inline void gen_op_addq_A0_reg_sN(int shift, int reg)
|
|
{
|
|
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]));
|
|
if (shift != 0)
|
|
tcg_gen_shli_tl(cpu_tmp0, cpu_tmp0, shift);
|
|
tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0);
|
|
}
|
|
#endif
|
|
|
|
static inline void gen_op_lds_T0_A0(int idx)
|
|
{
|
|
int mem_index = (idx >> 2) - 1;
|
|
switch(idx & 3) {
|
|
case 0:
|
|
tcg_gen_qemu_ld8s(cpu_T[0], cpu_A0, mem_index);
|
|
break;
|
|
case 1:
|
|
tcg_gen_qemu_ld16s(cpu_T[0], cpu_A0, mem_index);
|
|
break;
|
|
default:
|
|
case 2:
|
|
tcg_gen_qemu_ld32s(cpu_T[0], cpu_A0, mem_index);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static inline void gen_op_ld_v(int idx, TCGv t0, TCGv a0)
|
|
{
|
|
int mem_index = (idx >> 2) - 1;
|
|
switch(idx & 3) {
|
|
case 0:
|
|
tcg_gen_qemu_ld8u(t0, a0, mem_index);
|
|
break;
|
|
case 1:
|
|
tcg_gen_qemu_ld16u(t0, a0, mem_index);
|
|
break;
|
|
case 2:
|
|
tcg_gen_qemu_ld32u(t0, a0, mem_index);
|
|
break;
|
|
default:
|
|
case 3:
|
|
tcg_gen_qemu_ld64(t0, a0, mem_index);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* XXX: always use ldu or lds */
|
|
static inline void gen_op_ld_T0_A0(int idx)
|
|
{
|
|
gen_op_ld_v(idx, cpu_T[0], cpu_A0);
|
|
}
|
|
|
|
static inline void gen_op_ldu_T0_A0(int idx)
|
|
{
|
|
gen_op_ld_v(idx, cpu_T[0], cpu_A0);
|
|
}
|
|
|
|
static inline void gen_op_ld_T1_A0(int idx)
|
|
{
|
|
gen_op_ld_v(idx, cpu_T[1], cpu_A0);
|
|
}
|
|
|
|
static inline void gen_op_st_v(int idx, TCGv t0, TCGv a0)
|
|
{
|
|
int mem_index = (idx >> 2) - 1;
|
|
switch(idx & 3) {
|
|
case 0:
|
|
tcg_gen_qemu_st8(t0, a0, mem_index);
|
|
break;
|
|
case 1:
|
|
tcg_gen_qemu_st16(t0, a0, mem_index);
|
|
break;
|
|
case 2:
|
|
tcg_gen_qemu_st32(t0, a0, mem_index);
|
|
break;
|
|
default:
|
|
case 3:
|
|
tcg_gen_qemu_st64(t0, a0, mem_index);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static inline void gen_op_st_T0_A0(int idx)
|
|
{
|
|
gen_op_st_v(idx, cpu_T[0], cpu_A0);
|
|
}
|
|
|
|
static inline void gen_op_st_T1_A0(int idx)
|
|
{
|
|
gen_op_st_v(idx, cpu_T[1], cpu_A0);
|
|
}
|
|
|
|
static inline void gen_jmp_im(target_ulong pc)
|
|
{
|
|
tcg_gen_movi_tl(cpu_tmp0, pc);
|
|
tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, eip));
|
|
}
|
|
|
|
static inline void gen_string_movl_A0_ESI(DisasContext *s)
|
|
{
|
|
int override;
|
|
|
|
override = s->override;
|
|
#ifdef TARGET_X86_64
|
|
if (s->aflag == 2) {
|
|
if (override >= 0) {
|
|
gen_op_movq_A0_seg(override);
|
|
gen_op_addq_A0_reg_sN(0, R_ESI);
|
|
} else {
|
|
gen_op_movq_A0_reg(R_ESI);
|
|
}
|
|
} else
|
|
#endif
|
|
if (s->aflag) {
|
|
/* 32 bit address */
|
|
if (s->addseg && override < 0)
|
|
override = R_DS;
|
|
if (override >= 0) {
|
|
gen_op_movl_A0_seg(override);
|
|
gen_op_addl_A0_reg_sN(0, R_ESI);
|
|
} else {
|
|
gen_op_movl_A0_reg(R_ESI);
|
|
}
|
|
} else {
|
|
/* 16 address, always override */
|
|
if (override < 0)
|
|
override = R_DS;
|
|
gen_op_movl_A0_reg(R_ESI);
|
|
gen_op_andl_A0_ffff();
|
|
gen_op_addl_A0_seg(override);
|
|
}
|
|
}
|
|
|
|
static inline void gen_string_movl_A0_EDI(DisasContext *s)
|
|
{
|
|
#ifdef TARGET_X86_64
|
|
if (s->aflag == 2) {
|
|
gen_op_movq_A0_reg(R_EDI);
|
|
} else
|
|
#endif
|
|
if (s->aflag) {
|
|
if (s->addseg) {
|
|
gen_op_movl_A0_seg(R_ES);
|
|
gen_op_addl_A0_reg_sN(0, R_EDI);
|
|
} else {
|
|
gen_op_movl_A0_reg(R_EDI);
|
|
}
|
|
} else {
|
|
gen_op_movl_A0_reg(R_EDI);
|
|
gen_op_andl_A0_ffff();
|
|
gen_op_addl_A0_seg(R_ES);
|
|
}
|
|
}
|
|
|
|
static inline void gen_op_movl_T0_Dshift(int ot)
|
|
{
|
|
tcg_gen_ld32s_tl(cpu_T[0], cpu_env, offsetof(CPUState, df));
|
|
tcg_gen_shli_tl(cpu_T[0], cpu_T[0], ot);
|
|
};
|
|
|
|
static void gen_extu(int ot, TCGv reg)
|
|
{
|
|
switch(ot) {
|
|
case OT_BYTE:
|
|
tcg_gen_ext8u_tl(reg, reg);
|
|
break;
|
|
case OT_WORD:
|
|
tcg_gen_ext16u_tl(reg, reg);
|
|
break;
|
|
case OT_LONG:
|
|
tcg_gen_ext32u_tl(reg, reg);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void gen_exts(int ot, TCGv reg)
|
|
{
|
|
switch(ot) {
|
|
case OT_BYTE:
|
|
tcg_gen_ext8s_tl(reg, reg);
|
|
break;
|
|
case OT_WORD:
|
|
tcg_gen_ext16s_tl(reg, reg);
|
|
break;
|
|
case OT_LONG:
|
|
tcg_gen_ext32s_tl(reg, reg);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static inline void gen_op_jnz_ecx(int size, int label1)
|
|
{
|
|
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[R_ECX]));
|
|
gen_extu(size + 1, cpu_tmp0);
|
|
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_tmp0, 0, label1);
|
|
}
|
|
|
|
static inline void gen_op_jz_ecx(int size, int label1)
|
|
{
|
|
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[R_ECX]));
|
|
gen_extu(size + 1, cpu_tmp0);
|
|
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_tmp0, 0, label1);
|
|
}
|
|
|
|
static void *helper_in_func[3] = {
|
|
helper_inb,
|
|
helper_inw,
|
|
helper_inl,
|
|
};
|
|
|
|
static void *helper_out_func[3] = {
|
|
helper_outb,
|
|
helper_outw,
|
|
helper_outl,
|
|
};
|
|
|
|
static void *gen_check_io_func[3] = {
|
|
helper_check_iob,
|
|
helper_check_iow,
|
|
helper_check_iol,
|
|
};
|
|
|
|
static void gen_check_io(DisasContext *s, int ot, target_ulong cur_eip,
|
|
uint32_t svm_flags)
|
|
{
|
|
int state_saved;
|
|
target_ulong next_eip;
|
|
|
|
state_saved = 0;
|
|
if (s->pe && (s->cpl > s->iopl || s->vm86)) {
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(cur_eip);
|
|
state_saved = 1;
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
|
tcg_gen_helper_0_1(gen_check_io_func[ot],
|
|
cpu_tmp2_i32);
|
|
}
|
|
if(s->flags & HF_SVMI_MASK) {
|
|
if (!state_saved) {
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(cur_eip);
|
|
state_saved = 1;
|
|
}
|
|
svm_flags |= (1 << (4 + ot));
|
|
next_eip = s->pc - s->cs_base;
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
|
tcg_gen_helper_0_3(helper_svm_check_io,
|
|
cpu_tmp2_i32,
|
|
tcg_const_i32(svm_flags),
|
|
tcg_const_i32(next_eip - cur_eip));
|
|
}
|
|
}
|
|
|
|
static inline void gen_movs(DisasContext *s, int ot)
|
|
{
|
|
gen_string_movl_A0_ESI(s);
|
|
gen_op_ld_T0_A0(ot + s->mem_index);
|
|
gen_string_movl_A0_EDI(s);
|
|
gen_op_st_T0_A0(ot + s->mem_index);
|
|
gen_op_movl_T0_Dshift(ot);
|
|
gen_op_add_reg_T0(s->aflag, R_ESI);
|
|
gen_op_add_reg_T0(s->aflag, R_EDI);
|
|
}
|
|
|
|
static inline void gen_update_cc_op(DisasContext *s)
|
|
{
|
|
if (s->cc_op != CC_OP_DYNAMIC) {
|
|
gen_op_set_cc_op(s->cc_op);
|
|
s->cc_op = CC_OP_DYNAMIC;
|
|
}
|
|
}
|
|
|
|
static void gen_op_update1_cc(void)
|
|
{
|
|
tcg_gen_discard_tl(cpu_cc_src);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
|
}
|
|
|
|
static void gen_op_update2_cc(void)
|
|
{
|
|
tcg_gen_mov_tl(cpu_cc_src, cpu_T[1]);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
|
}
|
|
|
|
static inline void gen_op_cmpl_T0_T1_cc(void)
|
|
{
|
|
tcg_gen_mov_tl(cpu_cc_src, cpu_T[1]);
|
|
tcg_gen_sub_tl(cpu_cc_dst, cpu_T[0], cpu_T[1]);
|
|
}
|
|
|
|
static inline void gen_op_testl_T0_T1_cc(void)
|
|
{
|
|
tcg_gen_discard_tl(cpu_cc_src);
|
|
tcg_gen_and_tl(cpu_cc_dst, cpu_T[0], cpu_T[1]);
|
|
}
|
|
|
|
static void gen_op_update_neg_cc(void)
|
|
{
|
|
tcg_gen_neg_tl(cpu_cc_src, cpu_T[0]);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
|
}
|
|
|
|
/* compute eflags.C to reg */
|
|
static void gen_compute_eflags_c(TCGv reg)
|
|
{
|
|
#if TCG_TARGET_REG_BITS == 32
|
|
tcg_gen_shli_i32(cpu_tmp2_i32, cpu_cc_op, 3);
|
|
tcg_gen_addi_i32(cpu_tmp2_i32, cpu_tmp2_i32,
|
|
(long)cc_table + offsetof(CCTable, compute_c));
|
|
tcg_gen_ld_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0);
|
|
tcg_gen_call(&tcg_ctx, cpu_tmp2_i32, TCG_CALL_PURE,
|
|
1, &cpu_tmp2_i32, 0, NULL);
|
|
#else
|
|
tcg_gen_extu_i32_tl(cpu_tmp1_i64, cpu_cc_op);
|
|
tcg_gen_shli_i64(cpu_tmp1_i64, cpu_tmp1_i64, 4);
|
|
tcg_gen_addi_i64(cpu_tmp1_i64, cpu_tmp1_i64,
|
|
(long)cc_table + offsetof(CCTable, compute_c));
|
|
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_tmp1_i64, 0);
|
|
tcg_gen_call(&tcg_ctx, cpu_tmp1_i64, TCG_CALL_PURE,
|
|
1, &cpu_tmp2_i32, 0, NULL);
|
|
#endif
|
|
tcg_gen_extu_i32_tl(reg, cpu_tmp2_i32);
|
|
}
|
|
|
|
/* compute all eflags to cc_src */
|
|
static void gen_compute_eflags(TCGv reg)
|
|
{
|
|
#if TCG_TARGET_REG_BITS == 32
|
|
tcg_gen_shli_i32(cpu_tmp2_i32, cpu_cc_op, 3);
|
|
tcg_gen_addi_i32(cpu_tmp2_i32, cpu_tmp2_i32,
|
|
(long)cc_table + offsetof(CCTable, compute_all));
|
|
tcg_gen_ld_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0);
|
|
tcg_gen_call(&tcg_ctx, cpu_tmp2_i32, TCG_CALL_PURE,
|
|
1, &cpu_tmp2_i32, 0, NULL);
|
|
#else
|
|
tcg_gen_extu_i32_tl(cpu_tmp1_i64, cpu_cc_op);
|
|
tcg_gen_shli_i64(cpu_tmp1_i64, cpu_tmp1_i64, 4);
|
|
tcg_gen_addi_i64(cpu_tmp1_i64, cpu_tmp1_i64,
|
|
(long)cc_table + offsetof(CCTable, compute_all));
|
|
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_tmp1_i64, 0);
|
|
tcg_gen_call(&tcg_ctx, cpu_tmp1_i64, TCG_CALL_PURE,
|
|
1, &cpu_tmp2_i32, 0, NULL);
|
|
#endif
|
|
tcg_gen_extu_i32_tl(reg, cpu_tmp2_i32);
|
|
}
|
|
|
|
static inline void gen_setcc_slow_T0(DisasContext *s, int jcc_op)
|
|
{
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
switch(jcc_op) {
|
|
case JCC_O:
|
|
gen_compute_eflags(cpu_T[0]);
|
|
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 11);
|
|
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1);
|
|
break;
|
|
case JCC_B:
|
|
gen_compute_eflags_c(cpu_T[0]);
|
|
break;
|
|
case JCC_Z:
|
|
gen_compute_eflags(cpu_T[0]);
|
|
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 6);
|
|
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1);
|
|
break;
|
|
case JCC_BE:
|
|
gen_compute_eflags(cpu_tmp0);
|
|
tcg_gen_shri_tl(cpu_T[0], cpu_tmp0, 6);
|
|
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_tmp0);
|
|
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1);
|
|
break;
|
|
case JCC_S:
|
|
gen_compute_eflags(cpu_T[0]);
|
|
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 7);
|
|
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1);
|
|
break;
|
|
case JCC_P:
|
|
gen_compute_eflags(cpu_T[0]);
|
|
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 2);
|
|
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1);
|
|
break;
|
|
case JCC_L:
|
|
gen_compute_eflags(cpu_tmp0);
|
|
tcg_gen_shri_tl(cpu_T[0], cpu_tmp0, 11); /* CC_O */
|
|
tcg_gen_shri_tl(cpu_tmp0, cpu_tmp0, 7); /* CC_S */
|
|
tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_tmp0);
|
|
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1);
|
|
break;
|
|
default:
|
|
case JCC_LE:
|
|
gen_compute_eflags(cpu_tmp0);
|
|
tcg_gen_shri_tl(cpu_T[0], cpu_tmp0, 11); /* CC_O */
|
|
tcg_gen_shri_tl(cpu_tmp4, cpu_tmp0, 7); /* CC_S */
|
|
tcg_gen_shri_tl(cpu_tmp0, cpu_tmp0, 6); /* CC_Z */
|
|
tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_tmp4);
|
|
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_tmp0);
|
|
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* return true if setcc_slow is not needed (WARNING: must be kept in
|
|
sync with gen_jcc1) */
|
|
static int is_fast_jcc_case(DisasContext *s, int b)
|
|
{
|
|
int jcc_op;
|
|
jcc_op = (b >> 1) & 7;
|
|
switch(s->cc_op) {
|
|
/* we optimize the cmp/jcc case */
|
|
case CC_OP_SUBB:
|
|
case CC_OP_SUBW:
|
|
case CC_OP_SUBL:
|
|
case CC_OP_SUBQ:
|
|
if (jcc_op == JCC_O || jcc_op == JCC_P)
|
|
goto slow_jcc;
|
|
break;
|
|
|
|
/* some jumps are easy to compute */
|
|
case CC_OP_ADDB:
|
|
case CC_OP_ADDW:
|
|
case CC_OP_ADDL:
|
|
case CC_OP_ADDQ:
|
|
|
|
case CC_OP_LOGICB:
|
|
case CC_OP_LOGICW:
|
|
case CC_OP_LOGICL:
|
|
case CC_OP_LOGICQ:
|
|
|
|
case CC_OP_INCB:
|
|
case CC_OP_INCW:
|
|
case CC_OP_INCL:
|
|
case CC_OP_INCQ:
|
|
|
|
case CC_OP_DECB:
|
|
case CC_OP_DECW:
|
|
case CC_OP_DECL:
|
|
case CC_OP_DECQ:
|
|
|
|
case CC_OP_SHLB:
|
|
case CC_OP_SHLW:
|
|
case CC_OP_SHLL:
|
|
case CC_OP_SHLQ:
|
|
if (jcc_op != JCC_Z && jcc_op != JCC_S)
|
|
goto slow_jcc;
|
|
break;
|
|
default:
|
|
slow_jcc:
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/* generate a conditional jump to label 'l1' according to jump opcode
|
|
value 'b'. In the fast case, T0 is guaranted not to be used. */
|
|
static inline void gen_jcc1(DisasContext *s, int cc_op, int b, int l1)
|
|
{
|
|
int inv, jcc_op, size, cond;
|
|
TCGv t0;
|
|
|
|
inv = b & 1;
|
|
jcc_op = (b >> 1) & 7;
|
|
|
|
switch(cc_op) {
|
|
/* we optimize the cmp/jcc case */
|
|
case CC_OP_SUBB:
|
|
case CC_OP_SUBW:
|
|
case CC_OP_SUBL:
|
|
case CC_OP_SUBQ:
|
|
|
|
size = cc_op - CC_OP_SUBB;
|
|
switch(jcc_op) {
|
|
case JCC_Z:
|
|
fast_jcc_z:
|
|
switch(size) {
|
|
case 0:
|
|
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0xff);
|
|
t0 = cpu_tmp0;
|
|
break;
|
|
case 1:
|
|
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0xffff);
|
|
t0 = cpu_tmp0;
|
|
break;
|
|
#ifdef TARGET_X86_64
|
|
case 2:
|
|
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0xffffffff);
|
|
t0 = cpu_tmp0;
|
|
break;
|
|
#endif
|
|
default:
|
|
t0 = cpu_cc_dst;
|
|
break;
|
|
}
|
|
tcg_gen_brcondi_tl(inv ? TCG_COND_NE : TCG_COND_EQ, t0, 0, l1);
|
|
break;
|
|
case JCC_S:
|
|
fast_jcc_s:
|
|
switch(size) {
|
|
case 0:
|
|
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0x80);
|
|
tcg_gen_brcondi_tl(inv ? TCG_COND_EQ : TCG_COND_NE, cpu_tmp0,
|
|
0, l1);
|
|
break;
|
|
case 1:
|
|
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0x8000);
|
|
tcg_gen_brcondi_tl(inv ? TCG_COND_EQ : TCG_COND_NE, cpu_tmp0,
|
|
0, l1);
|
|
break;
|
|
#ifdef TARGET_X86_64
|
|
case 2:
|
|
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0x80000000);
|
|
tcg_gen_brcondi_tl(inv ? TCG_COND_EQ : TCG_COND_NE, cpu_tmp0,
|
|
0, l1);
|
|
break;
|
|
#endif
|
|
default:
|
|
tcg_gen_brcondi_tl(inv ? TCG_COND_GE : TCG_COND_LT, cpu_cc_dst,
|
|
0, l1);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case JCC_B:
|
|
cond = inv ? TCG_COND_GEU : TCG_COND_LTU;
|
|
goto fast_jcc_b;
|
|
case JCC_BE:
|
|
cond = inv ? TCG_COND_GTU : TCG_COND_LEU;
|
|
fast_jcc_b:
|
|
tcg_gen_add_tl(cpu_tmp4, cpu_cc_dst, cpu_cc_src);
|
|
switch(size) {
|
|
case 0:
|
|
t0 = cpu_tmp0;
|
|
tcg_gen_andi_tl(cpu_tmp4, cpu_tmp4, 0xff);
|
|
tcg_gen_andi_tl(t0, cpu_cc_src, 0xff);
|
|
break;
|
|
case 1:
|
|
t0 = cpu_tmp0;
|
|
tcg_gen_andi_tl(cpu_tmp4, cpu_tmp4, 0xffff);
|
|
tcg_gen_andi_tl(t0, cpu_cc_src, 0xffff);
|
|
break;
|
|
#ifdef TARGET_X86_64
|
|
case 2:
|
|
t0 = cpu_tmp0;
|
|
tcg_gen_andi_tl(cpu_tmp4, cpu_tmp4, 0xffffffff);
|
|
tcg_gen_andi_tl(t0, cpu_cc_src, 0xffffffff);
|
|
break;
|
|
#endif
|
|
default:
|
|
t0 = cpu_cc_src;
|
|
break;
|
|
}
|
|
tcg_gen_brcond_tl(cond, cpu_tmp4, t0, l1);
|
|
break;
|
|
|
|
case JCC_L:
|
|
cond = inv ? TCG_COND_GE : TCG_COND_LT;
|
|
goto fast_jcc_l;
|
|
case JCC_LE:
|
|
cond = inv ? TCG_COND_GT : TCG_COND_LE;
|
|
fast_jcc_l:
|
|
tcg_gen_add_tl(cpu_tmp4, cpu_cc_dst, cpu_cc_src);
|
|
switch(size) {
|
|
case 0:
|
|
t0 = cpu_tmp0;
|
|
tcg_gen_ext8s_tl(cpu_tmp4, cpu_tmp4);
|
|
tcg_gen_ext8s_tl(t0, cpu_cc_src);
|
|
break;
|
|
case 1:
|
|
t0 = cpu_tmp0;
|
|
tcg_gen_ext16s_tl(cpu_tmp4, cpu_tmp4);
|
|
tcg_gen_ext16s_tl(t0, cpu_cc_src);
|
|
break;
|
|
#ifdef TARGET_X86_64
|
|
case 2:
|
|
t0 = cpu_tmp0;
|
|
tcg_gen_ext32s_tl(cpu_tmp4, cpu_tmp4);
|
|
tcg_gen_ext32s_tl(t0, cpu_cc_src);
|
|
break;
|
|
#endif
|
|
default:
|
|
t0 = cpu_cc_src;
|
|
break;
|
|
}
|
|
tcg_gen_brcond_tl(cond, cpu_tmp4, t0, l1);
|
|
break;
|
|
|
|
default:
|
|
goto slow_jcc;
|
|
}
|
|
break;
|
|
|
|
/* some jumps are easy to compute */
|
|
case CC_OP_ADDB:
|
|
case CC_OP_ADDW:
|
|
case CC_OP_ADDL:
|
|
case CC_OP_ADDQ:
|
|
|
|
case CC_OP_ADCB:
|
|
case CC_OP_ADCW:
|
|
case CC_OP_ADCL:
|
|
case CC_OP_ADCQ:
|
|
|
|
case CC_OP_SBBB:
|
|
case CC_OP_SBBW:
|
|
case CC_OP_SBBL:
|
|
case CC_OP_SBBQ:
|
|
|
|
case CC_OP_LOGICB:
|
|
case CC_OP_LOGICW:
|
|
case CC_OP_LOGICL:
|
|
case CC_OP_LOGICQ:
|
|
|
|
case CC_OP_INCB:
|
|
case CC_OP_INCW:
|
|
case CC_OP_INCL:
|
|
case CC_OP_INCQ:
|
|
|
|
case CC_OP_DECB:
|
|
case CC_OP_DECW:
|
|
case CC_OP_DECL:
|
|
case CC_OP_DECQ:
|
|
|
|
case CC_OP_SHLB:
|
|
case CC_OP_SHLW:
|
|
case CC_OP_SHLL:
|
|
case CC_OP_SHLQ:
|
|
|
|
case CC_OP_SARB:
|
|
case CC_OP_SARW:
|
|
case CC_OP_SARL:
|
|
case CC_OP_SARQ:
|
|
switch(jcc_op) {
|
|
case JCC_Z:
|
|
size = (cc_op - CC_OP_ADDB) & 3;
|
|
goto fast_jcc_z;
|
|
case JCC_S:
|
|
size = (cc_op - CC_OP_ADDB) & 3;
|
|
goto fast_jcc_s;
|
|
default:
|
|
goto slow_jcc;
|
|
}
|
|
break;
|
|
default:
|
|
slow_jcc:
|
|
gen_setcc_slow_T0(s, jcc_op);
|
|
tcg_gen_brcondi_tl(inv ? TCG_COND_EQ : TCG_COND_NE,
|
|
cpu_T[0], 0, l1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* XXX: does not work with gdbstub "ice" single step - not a
|
|
serious problem */
|
|
static int gen_jz_ecx_string(DisasContext *s, target_ulong next_eip)
|
|
{
|
|
int l1, l2;
|
|
|
|
l1 = gen_new_label();
|
|
l2 = gen_new_label();
|
|
gen_op_jnz_ecx(s->aflag, l1);
|
|
gen_set_label(l2);
|
|
gen_jmp_tb(s, next_eip, 1);
|
|
gen_set_label(l1);
|
|
return l2;
|
|
}
|
|
|
|
static inline void gen_stos(DisasContext *s, int ot)
|
|
{
|
|
gen_op_mov_TN_reg(OT_LONG, 0, R_EAX);
|
|
gen_string_movl_A0_EDI(s);
|
|
gen_op_st_T0_A0(ot + s->mem_index);
|
|
gen_op_movl_T0_Dshift(ot);
|
|
gen_op_add_reg_T0(s->aflag, R_EDI);
|
|
}
|
|
|
|
static inline void gen_lods(DisasContext *s, int ot)
|
|
{
|
|
gen_string_movl_A0_ESI(s);
|
|
gen_op_ld_T0_A0(ot + s->mem_index);
|
|
gen_op_mov_reg_T0(ot, R_EAX);
|
|
gen_op_movl_T0_Dshift(ot);
|
|
gen_op_add_reg_T0(s->aflag, R_ESI);
|
|
}
|
|
|
|
static inline void gen_scas(DisasContext *s, int ot)
|
|
{
|
|
gen_op_mov_TN_reg(OT_LONG, 0, R_EAX);
|
|
gen_string_movl_A0_EDI(s);
|
|
gen_op_ld_T1_A0(ot + s->mem_index);
|
|
gen_op_cmpl_T0_T1_cc();
|
|
gen_op_movl_T0_Dshift(ot);
|
|
gen_op_add_reg_T0(s->aflag, R_EDI);
|
|
}
|
|
|
|
static inline void gen_cmps(DisasContext *s, int ot)
|
|
{
|
|
gen_string_movl_A0_ESI(s);
|
|
gen_op_ld_T0_A0(ot + s->mem_index);
|
|
gen_string_movl_A0_EDI(s);
|
|
gen_op_ld_T1_A0(ot + s->mem_index);
|
|
gen_op_cmpl_T0_T1_cc();
|
|
gen_op_movl_T0_Dshift(ot);
|
|
gen_op_add_reg_T0(s->aflag, R_ESI);
|
|
gen_op_add_reg_T0(s->aflag, R_EDI);
|
|
}
|
|
|
|
static inline void gen_ins(DisasContext *s, int ot)
|
|
{
|
|
if (use_icount)
|
|
gen_io_start();
|
|
gen_string_movl_A0_EDI(s);
|
|
/* Note: we must do this dummy write first to be restartable in
|
|
case of page fault. */
|
|
gen_op_movl_T0_0();
|
|
gen_op_st_T0_A0(ot + s->mem_index);
|
|
gen_op_mov_TN_reg(OT_WORD, 1, R_EDX);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[1]);
|
|
tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff);
|
|
tcg_gen_helper_1_1(helper_in_func[ot], cpu_T[0], cpu_tmp2_i32);
|
|
gen_op_st_T0_A0(ot + s->mem_index);
|
|
gen_op_movl_T0_Dshift(ot);
|
|
gen_op_add_reg_T0(s->aflag, R_EDI);
|
|
if (use_icount)
|
|
gen_io_end();
|
|
}
|
|
|
|
static inline void gen_outs(DisasContext *s, int ot)
|
|
{
|
|
if (use_icount)
|
|
gen_io_start();
|
|
gen_string_movl_A0_ESI(s);
|
|
gen_op_ld_T0_A0(ot + s->mem_index);
|
|
|
|
gen_op_mov_TN_reg(OT_WORD, 1, R_EDX);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[1]);
|
|
tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T[0]);
|
|
tcg_gen_helper_0_2(helper_out_func[ot], cpu_tmp2_i32, cpu_tmp3_i32);
|
|
|
|
gen_op_movl_T0_Dshift(ot);
|
|
gen_op_add_reg_T0(s->aflag, R_ESI);
|
|
if (use_icount)
|
|
gen_io_end();
|
|
}
|
|
|
|
/* same method as Valgrind : we generate jumps to current or next
|
|
instruction */
|
|
#define GEN_REPZ(op) \
|
|
static inline void gen_repz_ ## op(DisasContext *s, int ot, \
|
|
target_ulong cur_eip, target_ulong next_eip) \
|
|
{ \
|
|
int l2;\
|
|
gen_update_cc_op(s); \
|
|
l2 = gen_jz_ecx_string(s, next_eip); \
|
|
gen_ ## op(s, ot); \
|
|
gen_op_add_reg_im(s->aflag, R_ECX, -1); \
|
|
/* a loop would cause two single step exceptions if ECX = 1 \
|
|
before rep string_insn */ \
|
|
if (!s->jmp_opt) \
|
|
gen_op_jz_ecx(s->aflag, l2); \
|
|
gen_jmp(s, cur_eip); \
|
|
}
|
|
|
|
#define GEN_REPZ2(op) \
|
|
static inline void gen_repz_ ## op(DisasContext *s, int ot, \
|
|
target_ulong cur_eip, \
|
|
target_ulong next_eip, \
|
|
int nz) \
|
|
{ \
|
|
int l2;\
|
|
gen_update_cc_op(s); \
|
|
l2 = gen_jz_ecx_string(s, next_eip); \
|
|
gen_ ## op(s, ot); \
|
|
gen_op_add_reg_im(s->aflag, R_ECX, -1); \
|
|
gen_op_set_cc_op(CC_OP_SUBB + ot); \
|
|
gen_jcc1(s, CC_OP_SUBB + ot, (JCC_Z << 1) | (nz ^ 1), l2); \
|
|
if (!s->jmp_opt) \
|
|
gen_op_jz_ecx(s->aflag, l2); \
|
|
gen_jmp(s, cur_eip); \
|
|
}
|
|
|
|
GEN_REPZ(movs)
|
|
GEN_REPZ(stos)
|
|
GEN_REPZ(lods)
|
|
GEN_REPZ(ins)
|
|
GEN_REPZ(outs)
|
|
GEN_REPZ2(scas)
|
|
GEN_REPZ2(cmps)
|
|
|
|
static void *helper_fp_arith_ST0_FT0[8] = {
|
|
helper_fadd_ST0_FT0,
|
|
helper_fmul_ST0_FT0,
|
|
helper_fcom_ST0_FT0,
|
|
helper_fcom_ST0_FT0,
|
|
helper_fsub_ST0_FT0,
|
|
helper_fsubr_ST0_FT0,
|
|
helper_fdiv_ST0_FT0,
|
|
helper_fdivr_ST0_FT0,
|
|
};
|
|
|
|
/* NOTE the exception in "r" op ordering */
|
|
static void *helper_fp_arith_STN_ST0[8] = {
|
|
helper_fadd_STN_ST0,
|
|
helper_fmul_STN_ST0,
|
|
NULL,
|
|
NULL,
|
|
helper_fsubr_STN_ST0,
|
|
helper_fsub_STN_ST0,
|
|
helper_fdivr_STN_ST0,
|
|
helper_fdiv_STN_ST0,
|
|
};
|
|
|
|
/* if d == OR_TMP0, it means memory operand (address in A0) */
|
|
static void gen_op(DisasContext *s1, int op, int ot, int d)
|
|
{
|
|
if (d != OR_TMP0) {
|
|
gen_op_mov_TN_reg(ot, 0, d);
|
|
} else {
|
|
gen_op_ld_T0_A0(ot + s1->mem_index);
|
|
}
|
|
switch(op) {
|
|
case OP_ADCL:
|
|
if (s1->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s1->cc_op);
|
|
gen_compute_eflags_c(cpu_tmp4);
|
|
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
|
|
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_tmp4);
|
|
if (d != OR_TMP0)
|
|
gen_op_mov_reg_T0(ot, d);
|
|
else
|
|
gen_op_st_T0_A0(ot + s1->mem_index);
|
|
tcg_gen_mov_tl(cpu_cc_src, cpu_T[1]);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_tmp4);
|
|
tcg_gen_shli_i32(cpu_tmp2_i32, cpu_tmp2_i32, 2);
|
|
tcg_gen_addi_i32(cpu_cc_op, cpu_tmp2_i32, CC_OP_ADDB + ot);
|
|
s1->cc_op = CC_OP_DYNAMIC;
|
|
break;
|
|
case OP_SBBL:
|
|
if (s1->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s1->cc_op);
|
|
gen_compute_eflags_c(cpu_tmp4);
|
|
tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
|
|
tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_tmp4);
|
|
if (d != OR_TMP0)
|
|
gen_op_mov_reg_T0(ot, d);
|
|
else
|
|
gen_op_st_T0_A0(ot + s1->mem_index);
|
|
tcg_gen_mov_tl(cpu_cc_src, cpu_T[1]);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_tmp4);
|
|
tcg_gen_shli_i32(cpu_tmp2_i32, cpu_tmp2_i32, 2);
|
|
tcg_gen_addi_i32(cpu_cc_op, cpu_tmp2_i32, CC_OP_SUBB + ot);
|
|
s1->cc_op = CC_OP_DYNAMIC;
|
|
break;
|
|
case OP_ADDL:
|
|
gen_op_addl_T0_T1();
|
|
if (d != OR_TMP0)
|
|
gen_op_mov_reg_T0(ot, d);
|
|
else
|
|
gen_op_st_T0_A0(ot + s1->mem_index);
|
|
gen_op_update2_cc();
|
|
s1->cc_op = CC_OP_ADDB + ot;
|
|
break;
|
|
case OP_SUBL:
|
|
tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
|
|
if (d != OR_TMP0)
|
|
gen_op_mov_reg_T0(ot, d);
|
|
else
|
|
gen_op_st_T0_A0(ot + s1->mem_index);
|
|
gen_op_update2_cc();
|
|
s1->cc_op = CC_OP_SUBB + ot;
|
|
break;
|
|
default:
|
|
case OP_ANDL:
|
|
tcg_gen_and_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
|
|
if (d != OR_TMP0)
|
|
gen_op_mov_reg_T0(ot, d);
|
|
else
|
|
gen_op_st_T0_A0(ot + s1->mem_index);
|
|
gen_op_update1_cc();
|
|
s1->cc_op = CC_OP_LOGICB + ot;
|
|
break;
|
|
case OP_ORL:
|
|
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
|
|
if (d != OR_TMP0)
|
|
gen_op_mov_reg_T0(ot, d);
|
|
else
|
|
gen_op_st_T0_A0(ot + s1->mem_index);
|
|
gen_op_update1_cc();
|
|
s1->cc_op = CC_OP_LOGICB + ot;
|
|
break;
|
|
case OP_XORL:
|
|
tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
|
|
if (d != OR_TMP0)
|
|
gen_op_mov_reg_T0(ot, d);
|
|
else
|
|
gen_op_st_T0_A0(ot + s1->mem_index);
|
|
gen_op_update1_cc();
|
|
s1->cc_op = CC_OP_LOGICB + ot;
|
|
break;
|
|
case OP_CMPL:
|
|
gen_op_cmpl_T0_T1_cc();
|
|
s1->cc_op = CC_OP_SUBB + ot;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* if d == OR_TMP0, it means memory operand (address in A0) */
|
|
static void gen_inc(DisasContext *s1, int ot, int d, int c)
|
|
{
|
|
if (d != OR_TMP0)
|
|
gen_op_mov_TN_reg(ot, 0, d);
|
|
else
|
|
gen_op_ld_T0_A0(ot + s1->mem_index);
|
|
if (s1->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s1->cc_op);
|
|
if (c > 0) {
|
|
tcg_gen_addi_tl(cpu_T[0], cpu_T[0], 1);
|
|
s1->cc_op = CC_OP_INCB + ot;
|
|
} else {
|
|
tcg_gen_addi_tl(cpu_T[0], cpu_T[0], -1);
|
|
s1->cc_op = CC_OP_DECB + ot;
|
|
}
|
|
if (d != OR_TMP0)
|
|
gen_op_mov_reg_T0(ot, d);
|
|
else
|
|
gen_op_st_T0_A0(ot + s1->mem_index);
|
|
gen_compute_eflags_c(cpu_cc_src);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
|
}
|
|
|
|
static void gen_shift_rm_T1(DisasContext *s, int ot, int op1,
|
|
int is_right, int is_arith)
|
|
{
|
|
target_ulong mask;
|
|
int shift_label;
|
|
TCGv t0, t1;
|
|
|
|
if (ot == OT_QUAD)
|
|
mask = 0x3f;
|
|
else
|
|
mask = 0x1f;
|
|
|
|
/* load */
|
|
if (op1 == OR_TMP0)
|
|
gen_op_ld_T0_A0(ot + s->mem_index);
|
|
else
|
|
gen_op_mov_TN_reg(ot, 0, op1);
|
|
|
|
tcg_gen_andi_tl(cpu_T[1], cpu_T[1], mask);
|
|
|
|
tcg_gen_addi_tl(cpu_tmp5, cpu_T[1], -1);
|
|
|
|
if (is_right) {
|
|
if (is_arith) {
|
|
gen_exts(ot, cpu_T[0]);
|
|
tcg_gen_sar_tl(cpu_T3, cpu_T[0], cpu_tmp5);
|
|
tcg_gen_sar_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
|
|
} else {
|
|
gen_extu(ot, cpu_T[0]);
|
|
tcg_gen_shr_tl(cpu_T3, cpu_T[0], cpu_tmp5);
|
|
tcg_gen_shr_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
|
|
}
|
|
} else {
|
|
tcg_gen_shl_tl(cpu_T3, cpu_T[0], cpu_tmp5);
|
|
tcg_gen_shl_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
|
|
}
|
|
|
|
/* store */
|
|
if (op1 == OR_TMP0)
|
|
gen_op_st_T0_A0(ot + s->mem_index);
|
|
else
|
|
gen_op_mov_reg_T0(ot, op1);
|
|
|
|
/* update eflags if non zero shift */
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
|
|
/* XXX: inefficient */
|
|
t0 = tcg_temp_local_new(TCG_TYPE_TL);
|
|
t1 = tcg_temp_local_new(TCG_TYPE_TL);
|
|
|
|
tcg_gen_mov_tl(t0, cpu_T[0]);
|
|
tcg_gen_mov_tl(t1, cpu_T3);
|
|
|
|
shift_label = gen_new_label();
|
|
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T[1], 0, shift_label);
|
|
|
|
tcg_gen_mov_tl(cpu_cc_src, t1);
|
|
tcg_gen_mov_tl(cpu_cc_dst, t0);
|
|
if (is_right)
|
|
tcg_gen_movi_i32(cpu_cc_op, CC_OP_SARB + ot);
|
|
else
|
|
tcg_gen_movi_i32(cpu_cc_op, CC_OP_SHLB + ot);
|
|
|
|
gen_set_label(shift_label);
|
|
s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */
|
|
|
|
tcg_temp_free(t0);
|
|
tcg_temp_free(t1);
|
|
}
|
|
|
|
static void gen_shift_rm_im(DisasContext *s, int ot, int op1, int op2,
|
|
int is_right, int is_arith)
|
|
{
|
|
int mask;
|
|
|
|
if (ot == OT_QUAD)
|
|
mask = 0x3f;
|
|
else
|
|
mask = 0x1f;
|
|
|
|
/* load */
|
|
if (op1 == OR_TMP0)
|
|
gen_op_ld_T0_A0(ot + s->mem_index);
|
|
else
|
|
gen_op_mov_TN_reg(ot, 0, op1);
|
|
|
|
op2 &= mask;
|
|
if (op2 != 0) {
|
|
if (is_right) {
|
|
if (is_arith) {
|
|
gen_exts(ot, cpu_T[0]);
|
|
tcg_gen_sari_tl(cpu_tmp4, cpu_T[0], op2 - 1);
|
|
tcg_gen_sari_tl(cpu_T[0], cpu_T[0], op2);
|
|
} else {
|
|
gen_extu(ot, cpu_T[0]);
|
|
tcg_gen_shri_tl(cpu_tmp4, cpu_T[0], op2 - 1);
|
|
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], op2);
|
|
}
|
|
} else {
|
|
tcg_gen_shli_tl(cpu_tmp4, cpu_T[0], op2 - 1);
|
|
tcg_gen_shli_tl(cpu_T[0], cpu_T[0], op2);
|
|
}
|
|
}
|
|
|
|
/* store */
|
|
if (op1 == OR_TMP0)
|
|
gen_op_st_T0_A0(ot + s->mem_index);
|
|
else
|
|
gen_op_mov_reg_T0(ot, op1);
|
|
|
|
/* update eflags if non zero shift */
|
|
if (op2 != 0) {
|
|
tcg_gen_mov_tl(cpu_cc_src, cpu_tmp4);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
|
if (is_right)
|
|
s->cc_op = CC_OP_SARB + ot;
|
|
else
|
|
s->cc_op = CC_OP_SHLB + ot;
|
|
}
|
|
}
|
|
|
|
static inline void tcg_gen_lshift(TCGv ret, TCGv arg1, target_long arg2)
|
|
{
|
|
if (arg2 >= 0)
|
|
tcg_gen_shli_tl(ret, arg1, arg2);
|
|
else
|
|
tcg_gen_shri_tl(ret, arg1, -arg2);
|
|
}
|
|
|
|
/* XXX: add faster immediate case */
|
|
static void gen_rot_rm_T1(DisasContext *s, int ot, int op1,
|
|
int is_right)
|
|
{
|
|
target_ulong mask;
|
|
int label1, label2, data_bits;
|
|
TCGv t0, t1, t2, a0;
|
|
|
|
/* XXX: inefficient, but we must use local temps */
|
|
t0 = tcg_temp_local_new(TCG_TYPE_TL);
|
|
t1 = tcg_temp_local_new(TCG_TYPE_TL);
|
|
t2 = tcg_temp_local_new(TCG_TYPE_TL);
|
|
a0 = tcg_temp_local_new(TCG_TYPE_TL);
|
|
|
|
if (ot == OT_QUAD)
|
|
mask = 0x3f;
|
|
else
|
|
mask = 0x1f;
|
|
|
|
/* load */
|
|
if (op1 == OR_TMP0) {
|
|
tcg_gen_mov_tl(a0, cpu_A0);
|
|
gen_op_ld_v(ot + s->mem_index, t0, a0);
|
|
} else {
|
|
gen_op_mov_v_reg(ot, t0, op1);
|
|
}
|
|
|
|
tcg_gen_mov_tl(t1, cpu_T[1]);
|
|
|
|
tcg_gen_andi_tl(t1, t1, mask);
|
|
|
|
/* Must test zero case to avoid using undefined behaviour in TCG
|
|
shifts. */
|
|
label1 = gen_new_label();
|
|
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, label1);
|
|
|
|
if (ot <= OT_WORD)
|
|
tcg_gen_andi_tl(cpu_tmp0, t1, (1 << (3 + ot)) - 1);
|
|
else
|
|
tcg_gen_mov_tl(cpu_tmp0, t1);
|
|
|
|
gen_extu(ot, t0);
|
|
tcg_gen_mov_tl(t2, t0);
|
|
|
|
data_bits = 8 << ot;
|
|
/* XXX: rely on behaviour of shifts when operand 2 overflows (XXX:
|
|
fix TCG definition) */
|
|
if (is_right) {
|
|
tcg_gen_shr_tl(cpu_tmp4, t0, cpu_tmp0);
|
|
tcg_gen_sub_tl(cpu_tmp0, tcg_const_tl(data_bits), cpu_tmp0);
|
|
tcg_gen_shl_tl(t0, t0, cpu_tmp0);
|
|
} else {
|
|
tcg_gen_shl_tl(cpu_tmp4, t0, cpu_tmp0);
|
|
tcg_gen_sub_tl(cpu_tmp0, tcg_const_tl(data_bits), cpu_tmp0);
|
|
tcg_gen_shr_tl(t0, t0, cpu_tmp0);
|
|
}
|
|
tcg_gen_or_tl(t0, t0, cpu_tmp4);
|
|
|
|
gen_set_label(label1);
|
|
/* store */
|
|
if (op1 == OR_TMP0) {
|
|
gen_op_st_v(ot + s->mem_index, t0, a0);
|
|
} else {
|
|
gen_op_mov_reg_v(ot, op1, t0);
|
|
}
|
|
|
|
/* update eflags */
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
|
|
label2 = gen_new_label();
|
|
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, label2);
|
|
|
|
gen_compute_eflags(cpu_cc_src);
|
|
tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, ~(CC_O | CC_C));
|
|
tcg_gen_xor_tl(cpu_tmp0, t2, t0);
|
|
tcg_gen_lshift(cpu_tmp0, cpu_tmp0, 11 - (data_bits - 1));
|
|
tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, CC_O);
|
|
tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, cpu_tmp0);
|
|
if (is_right) {
|
|
tcg_gen_shri_tl(t0, t0, data_bits - 1);
|
|
}
|
|
tcg_gen_andi_tl(t0, t0, CC_C);
|
|
tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, t0);
|
|
|
|
tcg_gen_discard_tl(cpu_cc_dst);
|
|
tcg_gen_movi_i32(cpu_cc_op, CC_OP_EFLAGS);
|
|
|
|
gen_set_label(label2);
|
|
s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */
|
|
|
|
tcg_temp_free(t0);
|
|
tcg_temp_free(t1);
|
|
tcg_temp_free(t2);
|
|
tcg_temp_free(a0);
|
|
}
|
|
|
|
static void *helper_rotc[8] = {
|
|
helper_rclb,
|
|
helper_rclw,
|
|
helper_rcll,
|
|
X86_64_ONLY(helper_rclq),
|
|
helper_rcrb,
|
|
helper_rcrw,
|
|
helper_rcrl,
|
|
X86_64_ONLY(helper_rcrq),
|
|
};
|
|
|
|
/* XXX: add faster immediate = 1 case */
|
|
static void gen_rotc_rm_T1(DisasContext *s, int ot, int op1,
|
|
int is_right)
|
|
{
|
|
int label1;
|
|
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
|
|
/* load */
|
|
if (op1 == OR_TMP0)
|
|
gen_op_ld_T0_A0(ot + s->mem_index);
|
|
else
|
|
gen_op_mov_TN_reg(ot, 0, op1);
|
|
|
|
tcg_gen_helper_1_2(helper_rotc[ot + (is_right * 4)],
|
|
cpu_T[0], cpu_T[0], cpu_T[1]);
|
|
/* store */
|
|
if (op1 == OR_TMP0)
|
|
gen_op_st_T0_A0(ot + s->mem_index);
|
|
else
|
|
gen_op_mov_reg_T0(ot, op1);
|
|
|
|
/* update eflags */
|
|
label1 = gen_new_label();
|
|
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_cc_tmp, -1, label1);
|
|
|
|
tcg_gen_mov_tl(cpu_cc_src, cpu_cc_tmp);
|
|
tcg_gen_discard_tl(cpu_cc_dst);
|
|
tcg_gen_movi_i32(cpu_cc_op, CC_OP_EFLAGS);
|
|
|
|
gen_set_label(label1);
|
|
s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */
|
|
}
|
|
|
|
/* XXX: add faster immediate case */
|
|
static void gen_shiftd_rm_T1_T3(DisasContext *s, int ot, int op1,
|
|
int is_right)
|
|
{
|
|
int label1, label2, data_bits;
|
|
target_ulong mask;
|
|
TCGv t0, t1, t2, a0;
|
|
|
|
t0 = tcg_temp_local_new(TCG_TYPE_TL);
|
|
t1 = tcg_temp_local_new(TCG_TYPE_TL);
|
|
t2 = tcg_temp_local_new(TCG_TYPE_TL);
|
|
a0 = tcg_temp_local_new(TCG_TYPE_TL);
|
|
|
|
if (ot == OT_QUAD)
|
|
mask = 0x3f;
|
|
else
|
|
mask = 0x1f;
|
|
|
|
/* load */
|
|
if (op1 == OR_TMP0) {
|
|
tcg_gen_mov_tl(a0, cpu_A0);
|
|
gen_op_ld_v(ot + s->mem_index, t0, a0);
|
|
} else {
|
|
gen_op_mov_v_reg(ot, t0, op1);
|
|
}
|
|
|
|
tcg_gen_andi_tl(cpu_T3, cpu_T3, mask);
|
|
|
|
tcg_gen_mov_tl(t1, cpu_T[1]);
|
|
tcg_gen_mov_tl(t2, cpu_T3);
|
|
|
|
/* Must test zero case to avoid using undefined behaviour in TCG
|
|
shifts. */
|
|
label1 = gen_new_label();
|
|
tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, label1);
|
|
|
|
tcg_gen_addi_tl(cpu_tmp5, t2, -1);
|
|
if (ot == OT_WORD) {
|
|
/* Note: we implement the Intel behaviour for shift count > 16 */
|
|
if (is_right) {
|
|
tcg_gen_andi_tl(t0, t0, 0xffff);
|
|
tcg_gen_shli_tl(cpu_tmp0, t1, 16);
|
|
tcg_gen_or_tl(t0, t0, cpu_tmp0);
|
|
tcg_gen_ext32u_tl(t0, t0);
|
|
|
|
tcg_gen_shr_tl(cpu_tmp4, t0, cpu_tmp5);
|
|
|
|
/* only needed if count > 16, but a test would complicate */
|
|
tcg_gen_sub_tl(cpu_tmp5, tcg_const_tl(32), t2);
|
|
tcg_gen_shl_tl(cpu_tmp0, t0, cpu_tmp5);
|
|
|
|
tcg_gen_shr_tl(t0, t0, t2);
|
|
|
|
tcg_gen_or_tl(t0, t0, cpu_tmp0);
|
|
} else {
|
|
/* XXX: not optimal */
|
|
tcg_gen_andi_tl(t0, t0, 0xffff);
|
|
tcg_gen_shli_tl(t1, t1, 16);
|
|
tcg_gen_or_tl(t1, t1, t0);
|
|
tcg_gen_ext32u_tl(t1, t1);
|
|
|
|
tcg_gen_shl_tl(cpu_tmp4, t0, cpu_tmp5);
|
|
tcg_gen_sub_tl(cpu_tmp0, tcg_const_tl(32), cpu_tmp5);
|
|
tcg_gen_shr_tl(cpu_tmp6, t1, cpu_tmp0);
|
|
tcg_gen_or_tl(cpu_tmp4, cpu_tmp4, cpu_tmp6);
|
|
|
|
tcg_gen_shl_tl(t0, t0, t2);
|
|
tcg_gen_sub_tl(cpu_tmp5, tcg_const_tl(32), t2);
|
|
tcg_gen_shr_tl(t1, t1, cpu_tmp5);
|
|
tcg_gen_or_tl(t0, t0, t1);
|
|
}
|
|
} else {
|
|
data_bits = 8 << ot;
|
|
if (is_right) {
|
|
if (ot == OT_LONG)
|
|
tcg_gen_ext32u_tl(t0, t0);
|
|
|
|
tcg_gen_shr_tl(cpu_tmp4, t0, cpu_tmp5);
|
|
|
|
tcg_gen_shr_tl(t0, t0, t2);
|
|
tcg_gen_sub_tl(cpu_tmp5, tcg_const_tl(data_bits), t2);
|
|
tcg_gen_shl_tl(t1, t1, cpu_tmp5);
|
|
tcg_gen_or_tl(t0, t0, t1);
|
|
|
|
} else {
|
|
if (ot == OT_LONG)
|
|
tcg_gen_ext32u_tl(t1, t1);
|
|
|
|
tcg_gen_shl_tl(cpu_tmp4, t0, cpu_tmp5);
|
|
|
|
tcg_gen_shl_tl(t0, t0, t2);
|
|
tcg_gen_sub_tl(cpu_tmp5, tcg_const_tl(data_bits), t2);
|
|
tcg_gen_shr_tl(t1, t1, cpu_tmp5);
|
|
tcg_gen_or_tl(t0, t0, t1);
|
|
}
|
|
}
|
|
tcg_gen_mov_tl(t1, cpu_tmp4);
|
|
|
|
gen_set_label(label1);
|
|
/* store */
|
|
if (op1 == OR_TMP0) {
|
|
gen_op_st_v(ot + s->mem_index, t0, a0);
|
|
} else {
|
|
gen_op_mov_reg_v(ot, op1, t0);
|
|
}
|
|
|
|
/* update eflags */
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
|
|
label2 = gen_new_label();
|
|
tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, label2);
|
|
|
|
tcg_gen_mov_tl(cpu_cc_src, t1);
|
|
tcg_gen_mov_tl(cpu_cc_dst, t0);
|
|
if (is_right) {
|
|
tcg_gen_movi_i32(cpu_cc_op, CC_OP_SARB + ot);
|
|
} else {
|
|
tcg_gen_movi_i32(cpu_cc_op, CC_OP_SHLB + ot);
|
|
}
|
|
gen_set_label(label2);
|
|
s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */
|
|
|
|
tcg_temp_free(t0);
|
|
tcg_temp_free(t1);
|
|
tcg_temp_free(t2);
|
|
tcg_temp_free(a0);
|
|
}
|
|
|
|
static void gen_shift(DisasContext *s1, int op, int ot, int d, int s)
|
|
{
|
|
if (s != OR_TMP1)
|
|
gen_op_mov_TN_reg(ot, 1, s);
|
|
switch(op) {
|
|
case OP_ROL:
|
|
gen_rot_rm_T1(s1, ot, d, 0);
|
|
break;
|
|
case OP_ROR:
|
|
gen_rot_rm_T1(s1, ot, d, 1);
|
|
break;
|
|
case OP_SHL:
|
|
case OP_SHL1:
|
|
gen_shift_rm_T1(s1, ot, d, 0, 0);
|
|
break;
|
|
case OP_SHR:
|
|
gen_shift_rm_T1(s1, ot, d, 1, 0);
|
|
break;
|
|
case OP_SAR:
|
|
gen_shift_rm_T1(s1, ot, d, 1, 1);
|
|
break;
|
|
case OP_RCL:
|
|
gen_rotc_rm_T1(s1, ot, d, 0);
|
|
break;
|
|
case OP_RCR:
|
|
gen_rotc_rm_T1(s1, ot, d, 1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void gen_shifti(DisasContext *s1, int op, int ot, int d, int c)
|
|
{
|
|
switch(op) {
|
|
case OP_SHL:
|
|
case OP_SHL1:
|
|
gen_shift_rm_im(s1, ot, d, c, 0, 0);
|
|
break;
|
|
case OP_SHR:
|
|
gen_shift_rm_im(s1, ot, d, c, 1, 0);
|
|
break;
|
|
case OP_SAR:
|
|
gen_shift_rm_im(s1, ot, d, c, 1, 1);
|
|
break;
|
|
default:
|
|
/* currently not optimized */
|
|
gen_op_movl_T1_im(c);
|
|
gen_shift(s1, op, ot, d, OR_TMP1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void gen_lea_modrm(DisasContext *s, int modrm, int *reg_ptr, int *offset_ptr)
|
|
{
|
|
target_long disp;
|
|
int havesib;
|
|
int base;
|
|
int index;
|
|
int scale;
|
|
int opreg;
|
|
int mod, rm, code, override, must_add_seg;
|
|
|
|
override = s->override;
|
|
must_add_seg = s->addseg;
|
|
if (override >= 0)
|
|
must_add_seg = 1;
|
|
mod = (modrm >> 6) & 3;
|
|
rm = modrm & 7;
|
|
|
|
if (s->aflag) {
|
|
|
|
havesib = 0;
|
|
base = rm;
|
|
index = 0;
|
|
scale = 0;
|
|
|
|
if (base == 4) {
|
|
havesib = 1;
|
|
code = ldub_code(s->pc++);
|
|
scale = (code >> 6) & 3;
|
|
index = ((code >> 3) & 7) | REX_X(s);
|
|
base = (code & 7);
|
|
}
|
|
base |= REX_B(s);
|
|
|
|
switch (mod) {
|
|
case 0:
|
|
if ((base & 7) == 5) {
|
|
base = -1;
|
|
disp = (int32_t)ldl_code(s->pc);
|
|
s->pc += 4;
|
|
if (CODE64(s) && !havesib) {
|
|
disp += s->pc + s->rip_offset;
|
|
}
|
|
} else {
|
|
disp = 0;
|
|
}
|
|
break;
|
|
case 1:
|
|
disp = (int8_t)ldub_code(s->pc++);
|
|
break;
|
|
default:
|
|
case 2:
|
|
disp = ldl_code(s->pc);
|
|
s->pc += 4;
|
|
break;
|
|
}
|
|
|
|
if (base >= 0) {
|
|
/* for correct popl handling with esp */
|
|
if (base == 4 && s->popl_esp_hack)
|
|
disp += s->popl_esp_hack;
|
|
#ifdef TARGET_X86_64
|
|
if (s->aflag == 2) {
|
|
gen_op_movq_A0_reg(base);
|
|
if (disp != 0) {
|
|
gen_op_addq_A0_im(disp);
|
|
}
|
|
} else
|
|
#endif
|
|
{
|
|
gen_op_movl_A0_reg(base);
|
|
if (disp != 0)
|
|
gen_op_addl_A0_im(disp);
|
|
}
|
|
} else {
|
|
#ifdef TARGET_X86_64
|
|
if (s->aflag == 2) {
|
|
gen_op_movq_A0_im(disp);
|
|
} else
|
|
#endif
|
|
{
|
|
gen_op_movl_A0_im(disp);
|
|
}
|
|
}
|
|
/* XXX: index == 4 is always invalid */
|
|
if (havesib && (index != 4 || scale != 0)) {
|
|
#ifdef TARGET_X86_64
|
|
if (s->aflag == 2) {
|
|
gen_op_addq_A0_reg_sN(scale, index);
|
|
} else
|
|
#endif
|
|
{
|
|
gen_op_addl_A0_reg_sN(scale, index);
|
|
}
|
|
}
|
|
if (must_add_seg) {
|
|
if (override < 0) {
|
|
if (base == R_EBP || base == R_ESP)
|
|
override = R_SS;
|
|
else
|
|
override = R_DS;
|
|
}
|
|
#ifdef TARGET_X86_64
|
|
if (s->aflag == 2) {
|
|
gen_op_addq_A0_seg(override);
|
|
} else
|
|
#endif
|
|
{
|
|
gen_op_addl_A0_seg(override);
|
|
}
|
|
}
|
|
} else {
|
|
switch (mod) {
|
|
case 0:
|
|
if (rm == 6) {
|
|
disp = lduw_code(s->pc);
|
|
s->pc += 2;
|
|
gen_op_movl_A0_im(disp);
|
|
rm = 0; /* avoid SS override */
|
|
goto no_rm;
|
|
} else {
|
|
disp = 0;
|
|
}
|
|
break;
|
|
case 1:
|
|
disp = (int8_t)ldub_code(s->pc++);
|
|
break;
|
|
default:
|
|
case 2:
|
|
disp = lduw_code(s->pc);
|
|
s->pc += 2;
|
|
break;
|
|
}
|
|
switch(rm) {
|
|
case 0:
|
|
gen_op_movl_A0_reg(R_EBX);
|
|
gen_op_addl_A0_reg_sN(0, R_ESI);
|
|
break;
|
|
case 1:
|
|
gen_op_movl_A0_reg(R_EBX);
|
|
gen_op_addl_A0_reg_sN(0, R_EDI);
|
|
break;
|
|
case 2:
|
|
gen_op_movl_A0_reg(R_EBP);
|
|
gen_op_addl_A0_reg_sN(0, R_ESI);
|
|
break;
|
|
case 3:
|
|
gen_op_movl_A0_reg(R_EBP);
|
|
gen_op_addl_A0_reg_sN(0, R_EDI);
|
|
break;
|
|
case 4:
|
|
gen_op_movl_A0_reg(R_ESI);
|
|
break;
|
|
case 5:
|
|
gen_op_movl_A0_reg(R_EDI);
|
|
break;
|
|
case 6:
|
|
gen_op_movl_A0_reg(R_EBP);
|
|
break;
|
|
default:
|
|
case 7:
|
|
gen_op_movl_A0_reg(R_EBX);
|
|
break;
|
|
}
|
|
if (disp != 0)
|
|
gen_op_addl_A0_im(disp);
|
|
gen_op_andl_A0_ffff();
|
|
no_rm:
|
|
if (must_add_seg) {
|
|
if (override < 0) {
|
|
if (rm == 2 || rm == 3 || rm == 6)
|
|
override = R_SS;
|
|
else
|
|
override = R_DS;
|
|
}
|
|
gen_op_addl_A0_seg(override);
|
|
}
|
|
}
|
|
|
|
opreg = OR_A0;
|
|
disp = 0;
|
|
*reg_ptr = opreg;
|
|
*offset_ptr = disp;
|
|
}
|
|
|
|
static void gen_nop_modrm(DisasContext *s, int modrm)
|
|
{
|
|
int mod, rm, base, code;
|
|
|
|
mod = (modrm >> 6) & 3;
|
|
if (mod == 3)
|
|
return;
|
|
rm = modrm & 7;
|
|
|
|
if (s->aflag) {
|
|
|
|
base = rm;
|
|
|
|
if (base == 4) {
|
|
code = ldub_code(s->pc++);
|
|
base = (code & 7);
|
|
}
|
|
|
|
switch (mod) {
|
|
case 0:
|
|
if (base == 5) {
|
|
s->pc += 4;
|
|
}
|
|
break;
|
|
case 1:
|
|
s->pc++;
|
|
break;
|
|
default:
|
|
case 2:
|
|
s->pc += 4;
|
|
break;
|
|
}
|
|
} else {
|
|
switch (mod) {
|
|
case 0:
|
|
if (rm == 6) {
|
|
s->pc += 2;
|
|
}
|
|
break;
|
|
case 1:
|
|
s->pc++;
|
|
break;
|
|
default:
|
|
case 2:
|
|
s->pc += 2;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* used for LEA and MOV AX, mem */
|
|
static void gen_add_A0_ds_seg(DisasContext *s)
|
|
{
|
|
int override, must_add_seg;
|
|
must_add_seg = s->addseg;
|
|
override = R_DS;
|
|
if (s->override >= 0) {
|
|
override = s->override;
|
|
must_add_seg = 1;
|
|
} else {
|
|
override = R_DS;
|
|
}
|
|
if (must_add_seg) {
|
|
#ifdef TARGET_X86_64
|
|
if (CODE64(s)) {
|
|
gen_op_addq_A0_seg(override);
|
|
} else
|
|
#endif
|
|
{
|
|
gen_op_addl_A0_seg(override);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* generate modrm memory load or store of 'reg'. TMP0 is used if reg !=
|
|
OR_TMP0 */
|
|
static void gen_ldst_modrm(DisasContext *s, int modrm, int ot, int reg, int is_store)
|
|
{
|
|
int mod, rm, opreg, disp;
|
|
|
|
mod = (modrm >> 6) & 3;
|
|
rm = (modrm & 7) | REX_B(s);
|
|
if (mod == 3) {
|
|
if (is_store) {
|
|
if (reg != OR_TMP0)
|
|
gen_op_mov_TN_reg(ot, 0, reg);
|
|
gen_op_mov_reg_T0(ot, rm);
|
|
} else {
|
|
gen_op_mov_TN_reg(ot, 0, rm);
|
|
if (reg != OR_TMP0)
|
|
gen_op_mov_reg_T0(ot, reg);
|
|
}
|
|
} else {
|
|
gen_lea_modrm(s, modrm, &opreg, &disp);
|
|
if (is_store) {
|
|
if (reg != OR_TMP0)
|
|
gen_op_mov_TN_reg(ot, 0, reg);
|
|
gen_op_st_T0_A0(ot + s->mem_index);
|
|
} else {
|
|
gen_op_ld_T0_A0(ot + s->mem_index);
|
|
if (reg != OR_TMP0)
|
|
gen_op_mov_reg_T0(ot, reg);
|
|
}
|
|
}
|
|
}
|
|
|
|
static inline uint32_t insn_get(DisasContext *s, int ot)
|
|
{
|
|
uint32_t ret;
|
|
|
|
switch(ot) {
|
|
case OT_BYTE:
|
|
ret = ldub_code(s->pc);
|
|
s->pc++;
|
|
break;
|
|
case OT_WORD:
|
|
ret = lduw_code(s->pc);
|
|
s->pc += 2;
|
|
break;
|
|
default:
|
|
case OT_LONG:
|
|
ret = ldl_code(s->pc);
|
|
s->pc += 4;
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static inline int insn_const_size(unsigned int ot)
|
|
{
|
|
if (ot <= OT_LONG)
|
|
return 1 << ot;
|
|
else
|
|
return 4;
|
|
}
|
|
|
|
static inline void gen_goto_tb(DisasContext *s, int tb_num, target_ulong eip)
|
|
{
|
|
TranslationBlock *tb;
|
|
target_ulong pc;
|
|
|
|
pc = s->cs_base + eip;
|
|
tb = s->tb;
|
|
/* NOTE: we handle the case where the TB spans two pages here */
|
|
if ((pc & TARGET_PAGE_MASK) == (tb->pc & TARGET_PAGE_MASK) ||
|
|
(pc & TARGET_PAGE_MASK) == ((s->pc - 1) & TARGET_PAGE_MASK)) {
|
|
/* jump to same page: we can use a direct jump */
|
|
tcg_gen_goto_tb(tb_num);
|
|
gen_jmp_im(eip);
|
|
tcg_gen_exit_tb((long)tb + tb_num);
|
|
} else {
|
|
/* jump to another page: currently not optimized */
|
|
gen_jmp_im(eip);
|
|
gen_eob(s);
|
|
}
|
|
}
|
|
|
|
static inline void gen_jcc(DisasContext *s, int b,
|
|
target_ulong val, target_ulong next_eip)
|
|
{
|
|
int l1, l2, cc_op;
|
|
|
|
cc_op = s->cc_op;
|
|
if (s->cc_op != CC_OP_DYNAMIC) {
|
|
gen_op_set_cc_op(s->cc_op);
|
|
s->cc_op = CC_OP_DYNAMIC;
|
|
}
|
|
if (s->jmp_opt) {
|
|
l1 = gen_new_label();
|
|
gen_jcc1(s, cc_op, b, l1);
|
|
|
|
gen_goto_tb(s, 0, next_eip);
|
|
|
|
gen_set_label(l1);
|
|
gen_goto_tb(s, 1, val);
|
|
s->is_jmp = 3;
|
|
} else {
|
|
|
|
l1 = gen_new_label();
|
|
l2 = gen_new_label();
|
|
gen_jcc1(s, cc_op, b, l1);
|
|
|
|
gen_jmp_im(next_eip);
|
|
tcg_gen_br(l2);
|
|
|
|
gen_set_label(l1);
|
|
gen_jmp_im(val);
|
|
gen_set_label(l2);
|
|
gen_eob(s);
|
|
}
|
|
}
|
|
|
|
static void gen_setcc(DisasContext *s, int b)
|
|
{
|
|
int inv, jcc_op, l1;
|
|
TCGv t0;
|
|
|
|
if (is_fast_jcc_case(s, b)) {
|
|
/* nominal case: we use a jump */
|
|
/* XXX: make it faster by adding new instructions in TCG */
|
|
t0 = tcg_temp_local_new(TCG_TYPE_TL);
|
|
tcg_gen_movi_tl(t0, 0);
|
|
l1 = gen_new_label();
|
|
gen_jcc1(s, s->cc_op, b ^ 1, l1);
|
|
tcg_gen_movi_tl(t0, 1);
|
|
gen_set_label(l1);
|
|
tcg_gen_mov_tl(cpu_T[0], t0);
|
|
tcg_temp_free(t0);
|
|
} else {
|
|
/* slow case: it is more efficient not to generate a jump,
|
|
although it is questionnable whether this optimization is
|
|
worth to */
|
|
inv = b & 1;
|
|
jcc_op = (b >> 1) & 7;
|
|
gen_setcc_slow_T0(s, jcc_op);
|
|
if (inv) {
|
|
tcg_gen_xori_tl(cpu_T[0], cpu_T[0], 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
static inline void gen_op_movl_T0_seg(int seg_reg)
|
|
{
|
|
tcg_gen_ld32u_tl(cpu_T[0], cpu_env,
|
|
offsetof(CPUX86State,segs[seg_reg].selector));
|
|
}
|
|
|
|
static inline void gen_op_movl_seg_T0_vm(int seg_reg)
|
|
{
|
|
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xffff);
|
|
tcg_gen_st32_tl(cpu_T[0], cpu_env,
|
|
offsetof(CPUX86State,segs[seg_reg].selector));
|
|
tcg_gen_shli_tl(cpu_T[0], cpu_T[0], 4);
|
|
tcg_gen_st_tl(cpu_T[0], cpu_env,
|
|
offsetof(CPUX86State,segs[seg_reg].base));
|
|
}
|
|
|
|
/* move T0 to seg_reg and compute if the CPU state may change. Never
|
|
call this function with seg_reg == R_CS */
|
|
static void gen_movl_seg_T0(DisasContext *s, int seg_reg, target_ulong cur_eip)
|
|
{
|
|
if (s->pe && !s->vm86) {
|
|
/* XXX: optimize by finding processor state dynamically */
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(cur_eip);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
|
tcg_gen_helper_0_2(helper_load_seg, tcg_const_i32(seg_reg), cpu_tmp2_i32);
|
|
/* abort translation because the addseg value may change or
|
|
because ss32 may change. For R_SS, translation must always
|
|
stop as a special handling must be done to disable hardware
|
|
interrupts for the next instruction */
|
|
if (seg_reg == R_SS || (s->code32 && seg_reg < R_FS))
|
|
s->is_jmp = 3;
|
|
} else {
|
|
gen_op_movl_seg_T0_vm(seg_reg);
|
|
if (seg_reg == R_SS)
|
|
s->is_jmp = 3;
|
|
}
|
|
}
|
|
|
|
static inline int svm_is_rep(int prefixes)
|
|
{
|
|
return ((prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) ? 8 : 0);
|
|
}
|
|
|
|
static inline void
|
|
gen_svm_check_intercept_param(DisasContext *s, target_ulong pc_start,
|
|
uint32_t type, uint64_t param)
|
|
{
|
|
/* no SVM activated; fast case */
|
|
if (likely(!(s->flags & HF_SVMI_MASK)))
|
|
return;
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_2(helper_svm_check_intercept_param,
|
|
tcg_const_i32(type), tcg_const_i64(param));
|
|
}
|
|
|
|
static inline void
|
|
gen_svm_check_intercept(DisasContext *s, target_ulong pc_start, uint64_t type)
|
|
{
|
|
gen_svm_check_intercept_param(s, pc_start, type, 0);
|
|
}
|
|
|
|
static inline void gen_stack_update(DisasContext *s, int addend)
|
|
{
|
|
#ifdef TARGET_X86_64
|
|
if (CODE64(s)) {
|
|
gen_op_add_reg_im(2, R_ESP, addend);
|
|
} else
|
|
#endif
|
|
if (s->ss32) {
|
|
gen_op_add_reg_im(1, R_ESP, addend);
|
|
} else {
|
|
gen_op_add_reg_im(0, R_ESP, addend);
|
|
}
|
|
}
|
|
|
|
/* generate a push. It depends on ss32, addseg and dflag */
|
|
static void gen_push_T0(DisasContext *s)
|
|
{
|
|
#ifdef TARGET_X86_64
|
|
if (CODE64(s)) {
|
|
gen_op_movq_A0_reg(R_ESP);
|
|
if (s->dflag) {
|
|
gen_op_addq_A0_im(-8);
|
|
gen_op_st_T0_A0(OT_QUAD + s->mem_index);
|
|
} else {
|
|
gen_op_addq_A0_im(-2);
|
|
gen_op_st_T0_A0(OT_WORD + s->mem_index);
|
|
}
|
|
gen_op_mov_reg_A0(2, R_ESP);
|
|
} else
|
|
#endif
|
|
{
|
|
gen_op_movl_A0_reg(R_ESP);
|
|
if (!s->dflag)
|
|
gen_op_addl_A0_im(-2);
|
|
else
|
|
gen_op_addl_A0_im(-4);
|
|
if (s->ss32) {
|
|
if (s->addseg) {
|
|
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
|
|
gen_op_addl_A0_seg(R_SS);
|
|
}
|
|
} else {
|
|
gen_op_andl_A0_ffff();
|
|
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
|
|
gen_op_addl_A0_seg(R_SS);
|
|
}
|
|
gen_op_st_T0_A0(s->dflag + 1 + s->mem_index);
|
|
if (s->ss32 && !s->addseg)
|
|
gen_op_mov_reg_A0(1, R_ESP);
|
|
else
|
|
gen_op_mov_reg_T1(s->ss32 + 1, R_ESP);
|
|
}
|
|
}
|
|
|
|
/* generate a push. It depends on ss32, addseg and dflag */
|
|
/* slower version for T1, only used for call Ev */
|
|
static void gen_push_T1(DisasContext *s)
|
|
{
|
|
#ifdef TARGET_X86_64
|
|
if (CODE64(s)) {
|
|
gen_op_movq_A0_reg(R_ESP);
|
|
if (s->dflag) {
|
|
gen_op_addq_A0_im(-8);
|
|
gen_op_st_T1_A0(OT_QUAD + s->mem_index);
|
|
} else {
|
|
gen_op_addq_A0_im(-2);
|
|
gen_op_st_T0_A0(OT_WORD + s->mem_index);
|
|
}
|
|
gen_op_mov_reg_A0(2, R_ESP);
|
|
} else
|
|
#endif
|
|
{
|
|
gen_op_movl_A0_reg(R_ESP);
|
|
if (!s->dflag)
|
|
gen_op_addl_A0_im(-2);
|
|
else
|
|
gen_op_addl_A0_im(-4);
|
|
if (s->ss32) {
|
|
if (s->addseg) {
|
|
gen_op_addl_A0_seg(R_SS);
|
|
}
|
|
} else {
|
|
gen_op_andl_A0_ffff();
|
|
gen_op_addl_A0_seg(R_SS);
|
|
}
|
|
gen_op_st_T1_A0(s->dflag + 1 + s->mem_index);
|
|
|
|
if (s->ss32 && !s->addseg)
|
|
gen_op_mov_reg_A0(1, R_ESP);
|
|
else
|
|
gen_stack_update(s, (-2) << s->dflag);
|
|
}
|
|
}
|
|
|
|
/* two step pop is necessary for precise exceptions */
|
|
static void gen_pop_T0(DisasContext *s)
|
|
{
|
|
#ifdef TARGET_X86_64
|
|
if (CODE64(s)) {
|
|
gen_op_movq_A0_reg(R_ESP);
|
|
gen_op_ld_T0_A0((s->dflag ? OT_QUAD : OT_WORD) + s->mem_index);
|
|
} else
|
|
#endif
|
|
{
|
|
gen_op_movl_A0_reg(R_ESP);
|
|
if (s->ss32) {
|
|
if (s->addseg)
|
|
gen_op_addl_A0_seg(R_SS);
|
|
} else {
|
|
gen_op_andl_A0_ffff();
|
|
gen_op_addl_A0_seg(R_SS);
|
|
}
|
|
gen_op_ld_T0_A0(s->dflag + 1 + s->mem_index);
|
|
}
|
|
}
|
|
|
|
static void gen_pop_update(DisasContext *s)
|
|
{
|
|
#ifdef TARGET_X86_64
|
|
if (CODE64(s) && s->dflag) {
|
|
gen_stack_update(s, 8);
|
|
} else
|
|
#endif
|
|
{
|
|
gen_stack_update(s, 2 << s->dflag);
|
|
}
|
|
}
|
|
|
|
static void gen_stack_A0(DisasContext *s)
|
|
{
|
|
gen_op_movl_A0_reg(R_ESP);
|
|
if (!s->ss32)
|
|
gen_op_andl_A0_ffff();
|
|
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
|
|
if (s->addseg)
|
|
gen_op_addl_A0_seg(R_SS);
|
|
}
|
|
|
|
/* NOTE: wrap around in 16 bit not fully handled */
|
|
static void gen_pusha(DisasContext *s)
|
|
{
|
|
int i;
|
|
gen_op_movl_A0_reg(R_ESP);
|
|
gen_op_addl_A0_im(-16 << s->dflag);
|
|
if (!s->ss32)
|
|
gen_op_andl_A0_ffff();
|
|
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
|
|
if (s->addseg)
|
|
gen_op_addl_A0_seg(R_SS);
|
|
for(i = 0;i < 8; i++) {
|
|
gen_op_mov_TN_reg(OT_LONG, 0, 7 - i);
|
|
gen_op_st_T0_A0(OT_WORD + s->dflag + s->mem_index);
|
|
gen_op_addl_A0_im(2 << s->dflag);
|
|
}
|
|
gen_op_mov_reg_T1(OT_WORD + s->ss32, R_ESP);
|
|
}
|
|
|
|
/* NOTE: wrap around in 16 bit not fully handled */
|
|
static void gen_popa(DisasContext *s)
|
|
{
|
|
int i;
|
|
gen_op_movl_A0_reg(R_ESP);
|
|
if (!s->ss32)
|
|
gen_op_andl_A0_ffff();
|
|
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
|
|
tcg_gen_addi_tl(cpu_T[1], cpu_T[1], 16 << s->dflag);
|
|
if (s->addseg)
|
|
gen_op_addl_A0_seg(R_SS);
|
|
for(i = 0;i < 8; i++) {
|
|
/* ESP is not reloaded */
|
|
if (i != 3) {
|
|
gen_op_ld_T0_A0(OT_WORD + s->dflag + s->mem_index);
|
|
gen_op_mov_reg_T0(OT_WORD + s->dflag, 7 - i);
|
|
}
|
|
gen_op_addl_A0_im(2 << s->dflag);
|
|
}
|
|
gen_op_mov_reg_T1(OT_WORD + s->ss32, R_ESP);
|
|
}
|
|
|
|
static void gen_enter(DisasContext *s, int esp_addend, int level)
|
|
{
|
|
int ot, opsize;
|
|
|
|
level &= 0x1f;
|
|
#ifdef TARGET_X86_64
|
|
if (CODE64(s)) {
|
|
ot = s->dflag ? OT_QUAD : OT_WORD;
|
|
opsize = 1 << ot;
|
|
|
|
gen_op_movl_A0_reg(R_ESP);
|
|
gen_op_addq_A0_im(-opsize);
|
|
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
|
|
|
|
/* push bp */
|
|
gen_op_mov_TN_reg(OT_LONG, 0, R_EBP);
|
|
gen_op_st_T0_A0(ot + s->mem_index);
|
|
if (level) {
|
|
/* XXX: must save state */
|
|
tcg_gen_helper_0_3(helper_enter64_level,
|
|
tcg_const_i32(level),
|
|
tcg_const_i32((ot == OT_QUAD)),
|
|
cpu_T[1]);
|
|
}
|
|
gen_op_mov_reg_T1(ot, R_EBP);
|
|
tcg_gen_addi_tl(cpu_T[1], cpu_T[1], -esp_addend + (-opsize * level));
|
|
gen_op_mov_reg_T1(OT_QUAD, R_ESP);
|
|
} else
|
|
#endif
|
|
{
|
|
ot = s->dflag + OT_WORD;
|
|
opsize = 2 << s->dflag;
|
|
|
|
gen_op_movl_A0_reg(R_ESP);
|
|
gen_op_addl_A0_im(-opsize);
|
|
if (!s->ss32)
|
|
gen_op_andl_A0_ffff();
|
|
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
|
|
if (s->addseg)
|
|
gen_op_addl_A0_seg(R_SS);
|
|
/* push bp */
|
|
gen_op_mov_TN_reg(OT_LONG, 0, R_EBP);
|
|
gen_op_st_T0_A0(ot + s->mem_index);
|
|
if (level) {
|
|
/* XXX: must save state */
|
|
tcg_gen_helper_0_3(helper_enter_level,
|
|
tcg_const_i32(level),
|
|
tcg_const_i32(s->dflag),
|
|
cpu_T[1]);
|
|
}
|
|
gen_op_mov_reg_T1(ot, R_EBP);
|
|
tcg_gen_addi_tl(cpu_T[1], cpu_T[1], -esp_addend + (-opsize * level));
|
|
gen_op_mov_reg_T1(OT_WORD + s->ss32, R_ESP);
|
|
}
|
|
}
|
|
|
|
static void gen_exception(DisasContext *s, int trapno, target_ulong cur_eip)
|
|
{
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(cur_eip);
|
|
tcg_gen_helper_0_1(helper_raise_exception, tcg_const_i32(trapno));
|
|
s->is_jmp = 3;
|
|
}
|
|
|
|
/* an interrupt is different from an exception because of the
|
|
privilege checks */
|
|
static void gen_interrupt(DisasContext *s, int intno,
|
|
target_ulong cur_eip, target_ulong next_eip)
|
|
{
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(cur_eip);
|
|
tcg_gen_helper_0_2(helper_raise_interrupt,
|
|
tcg_const_i32(intno),
|
|
tcg_const_i32(next_eip - cur_eip));
|
|
s->is_jmp = 3;
|
|
}
|
|
|
|
static void gen_debug(DisasContext *s, target_ulong cur_eip)
|
|
{
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(cur_eip);
|
|
tcg_gen_helper_0_0(helper_debug);
|
|
s->is_jmp = 3;
|
|
}
|
|
|
|
/* generate a generic end of block. Trace exception is also generated
|
|
if needed */
|
|
static void gen_eob(DisasContext *s)
|
|
{
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
if (s->tb->flags & HF_INHIBIT_IRQ_MASK) {
|
|
tcg_gen_helper_0_0(helper_reset_inhibit_irq);
|
|
}
|
|
if (s->singlestep_enabled) {
|
|
tcg_gen_helper_0_0(helper_debug);
|
|
} else if (s->tf) {
|
|
tcg_gen_helper_0_0(helper_single_step);
|
|
} else {
|
|
tcg_gen_exit_tb(0);
|
|
}
|
|
s->is_jmp = 3;
|
|
}
|
|
|
|
/* generate a jump to eip. No segment change must happen before as a
|
|
direct call to the next block may occur */
|
|
static void gen_jmp_tb(DisasContext *s, target_ulong eip, int tb_num)
|
|
{
|
|
if (s->jmp_opt) {
|
|
if (s->cc_op != CC_OP_DYNAMIC) {
|
|
gen_op_set_cc_op(s->cc_op);
|
|
s->cc_op = CC_OP_DYNAMIC;
|
|
}
|
|
gen_goto_tb(s, tb_num, eip);
|
|
s->is_jmp = 3;
|
|
} else {
|
|
gen_jmp_im(eip);
|
|
gen_eob(s);
|
|
}
|
|
}
|
|
|
|
static void gen_jmp(DisasContext *s, target_ulong eip)
|
|
{
|
|
gen_jmp_tb(s, eip, 0);
|
|
}
|
|
|
|
static inline void gen_ldq_env_A0(int idx, int offset)
|
|
{
|
|
int mem_index = (idx >> 2) - 1;
|
|
tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0, mem_index);
|
|
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, offset);
|
|
}
|
|
|
|
static inline void gen_stq_env_A0(int idx, int offset)
|
|
{
|
|
int mem_index = (idx >> 2) - 1;
|
|
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, offset);
|
|
tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0, mem_index);
|
|
}
|
|
|
|
static inline void gen_ldo_env_A0(int idx, int offset)
|
|
{
|
|
int mem_index = (idx >> 2) - 1;
|
|
tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0, mem_index);
|
|
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(XMMReg, XMM_Q(0)));
|
|
tcg_gen_addi_tl(cpu_tmp0, cpu_A0, 8);
|
|
tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_tmp0, mem_index);
|
|
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(XMMReg, XMM_Q(1)));
|
|
}
|
|
|
|
static inline void gen_sto_env_A0(int idx, int offset)
|
|
{
|
|
int mem_index = (idx >> 2) - 1;
|
|
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(XMMReg, XMM_Q(0)));
|
|
tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0, mem_index);
|
|
tcg_gen_addi_tl(cpu_tmp0, cpu_A0, 8);
|
|
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(XMMReg, XMM_Q(1)));
|
|
tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_tmp0, mem_index);
|
|
}
|
|
|
|
static inline void gen_op_movo(int d_offset, int s_offset)
|
|
{
|
|
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, s_offset);
|
|
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset);
|
|
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, s_offset + 8);
|
|
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset + 8);
|
|
}
|
|
|
|
static inline void gen_op_movq(int d_offset, int s_offset)
|
|
{
|
|
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, s_offset);
|
|
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset);
|
|
}
|
|
|
|
static inline void gen_op_movl(int d_offset, int s_offset)
|
|
{
|
|
tcg_gen_ld_i32(cpu_tmp2_i32, cpu_env, s_offset);
|
|
tcg_gen_st_i32(cpu_tmp2_i32, cpu_env, d_offset);
|
|
}
|
|
|
|
static inline void gen_op_movq_env_0(int d_offset)
|
|
{
|
|
tcg_gen_movi_i64(cpu_tmp1_i64, 0);
|
|
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset);
|
|
}
|
|
|
|
#define SSE_SPECIAL ((void *)1)
|
|
#define SSE_DUMMY ((void *)2)
|
|
|
|
#define MMX_OP2(x) { helper_ ## x ## _mmx, helper_ ## x ## _xmm }
|
|
#define SSE_FOP(x) { helper_ ## x ## ps, helper_ ## x ## pd, \
|
|
helper_ ## x ## ss, helper_ ## x ## sd, }
|
|
|
|
static void *sse_op_table1[256][4] = {
|
|
/* 3DNow! extensions */
|
|
[0x0e] = { SSE_DUMMY }, /* femms */
|
|
[0x0f] = { SSE_DUMMY }, /* pf... */
|
|
/* pure SSE operations */
|
|
[0x10] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movups, movupd, movss, movsd */
|
|
[0x11] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movups, movupd, movss, movsd */
|
|
[0x12] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movlps, movlpd, movsldup, movddup */
|
|
[0x13] = { SSE_SPECIAL, SSE_SPECIAL }, /* movlps, movlpd */
|
|
[0x14] = { helper_punpckldq_xmm, helper_punpcklqdq_xmm },
|
|
[0x15] = { helper_punpckhdq_xmm, helper_punpckhqdq_xmm },
|
|
[0x16] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movhps, movhpd, movshdup */
|
|
[0x17] = { SSE_SPECIAL, SSE_SPECIAL }, /* movhps, movhpd */
|
|
|
|
[0x28] = { SSE_SPECIAL, SSE_SPECIAL }, /* movaps, movapd */
|
|
[0x29] = { SSE_SPECIAL, SSE_SPECIAL }, /* movaps, movapd */
|
|
[0x2a] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvtpi2ps, cvtpi2pd, cvtsi2ss, cvtsi2sd */
|
|
[0x2b] = { SSE_SPECIAL, SSE_SPECIAL }, /* movntps, movntpd */
|
|
[0x2c] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvttps2pi, cvttpd2pi, cvttsd2si, cvttss2si */
|
|
[0x2d] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvtps2pi, cvtpd2pi, cvtsd2si, cvtss2si */
|
|
[0x2e] = { helper_ucomiss, helper_ucomisd },
|
|
[0x2f] = { helper_comiss, helper_comisd },
|
|
[0x50] = { SSE_SPECIAL, SSE_SPECIAL }, /* movmskps, movmskpd */
|
|
[0x51] = SSE_FOP(sqrt),
|
|
[0x52] = { helper_rsqrtps, NULL, helper_rsqrtss, NULL },
|
|
[0x53] = { helper_rcpps, NULL, helper_rcpss, NULL },
|
|
[0x54] = { helper_pand_xmm, helper_pand_xmm }, /* andps, andpd */
|
|
[0x55] = { helper_pandn_xmm, helper_pandn_xmm }, /* andnps, andnpd */
|
|
[0x56] = { helper_por_xmm, helper_por_xmm }, /* orps, orpd */
|
|
[0x57] = { helper_pxor_xmm, helper_pxor_xmm }, /* xorps, xorpd */
|
|
[0x58] = SSE_FOP(add),
|
|
[0x59] = SSE_FOP(mul),
|
|
[0x5a] = { helper_cvtps2pd, helper_cvtpd2ps,
|
|
helper_cvtss2sd, helper_cvtsd2ss },
|
|
[0x5b] = { helper_cvtdq2ps, helper_cvtps2dq, helper_cvttps2dq },
|
|
[0x5c] = SSE_FOP(sub),
|
|
[0x5d] = SSE_FOP(min),
|
|
[0x5e] = SSE_FOP(div),
|
|
[0x5f] = SSE_FOP(max),
|
|
|
|
[0xc2] = SSE_FOP(cmpeq),
|
|
[0xc6] = { helper_shufps, helper_shufpd },
|
|
|
|
[0x38] = { SSE_SPECIAL, SSE_SPECIAL }, /* SSSE3 */
|
|
[0x3a] = { SSE_SPECIAL, SSE_SPECIAL }, /* SSSE3 */
|
|
|
|
/* MMX ops and their SSE extensions */
|
|
[0x60] = MMX_OP2(punpcklbw),
|
|
[0x61] = MMX_OP2(punpcklwd),
|
|
[0x62] = MMX_OP2(punpckldq),
|
|
[0x63] = MMX_OP2(packsswb),
|
|
[0x64] = MMX_OP2(pcmpgtb),
|
|
[0x65] = MMX_OP2(pcmpgtw),
|
|
[0x66] = MMX_OP2(pcmpgtl),
|
|
[0x67] = MMX_OP2(packuswb),
|
|
[0x68] = MMX_OP2(punpckhbw),
|
|
[0x69] = MMX_OP2(punpckhwd),
|
|
[0x6a] = MMX_OP2(punpckhdq),
|
|
[0x6b] = MMX_OP2(packssdw),
|
|
[0x6c] = { NULL, helper_punpcklqdq_xmm },
|
|
[0x6d] = { NULL, helper_punpckhqdq_xmm },
|
|
[0x6e] = { SSE_SPECIAL, SSE_SPECIAL }, /* movd mm, ea */
|
|
[0x6f] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movq, movdqa, , movqdu */
|
|
[0x70] = { helper_pshufw_mmx,
|
|
helper_pshufd_xmm,
|
|
helper_pshufhw_xmm,
|
|
helper_pshuflw_xmm },
|
|
[0x71] = { SSE_SPECIAL, SSE_SPECIAL }, /* shiftw */
|
|
[0x72] = { SSE_SPECIAL, SSE_SPECIAL }, /* shiftd */
|
|
[0x73] = { SSE_SPECIAL, SSE_SPECIAL }, /* shiftq */
|
|
[0x74] = MMX_OP2(pcmpeqb),
|
|
[0x75] = MMX_OP2(pcmpeqw),
|
|
[0x76] = MMX_OP2(pcmpeql),
|
|
[0x77] = { SSE_DUMMY }, /* emms */
|
|
[0x7c] = { NULL, helper_haddpd, NULL, helper_haddps },
|
|
[0x7d] = { NULL, helper_hsubpd, NULL, helper_hsubps },
|
|
[0x7e] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movd, movd, , movq */
|
|
[0x7f] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movq, movdqa, movdqu */
|
|
[0xc4] = { SSE_SPECIAL, SSE_SPECIAL }, /* pinsrw */
|
|
[0xc5] = { SSE_SPECIAL, SSE_SPECIAL }, /* pextrw */
|
|
[0xd0] = { NULL, helper_addsubpd, NULL, helper_addsubps },
|
|
[0xd1] = MMX_OP2(psrlw),
|
|
[0xd2] = MMX_OP2(psrld),
|
|
[0xd3] = MMX_OP2(psrlq),
|
|
[0xd4] = MMX_OP2(paddq),
|
|
[0xd5] = MMX_OP2(pmullw),
|
|
[0xd6] = { NULL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL },
|
|
[0xd7] = { SSE_SPECIAL, SSE_SPECIAL }, /* pmovmskb */
|
|
[0xd8] = MMX_OP2(psubusb),
|
|
[0xd9] = MMX_OP2(psubusw),
|
|
[0xda] = MMX_OP2(pminub),
|
|
[0xdb] = MMX_OP2(pand),
|
|
[0xdc] = MMX_OP2(paddusb),
|
|
[0xdd] = MMX_OP2(paddusw),
|
|
[0xde] = MMX_OP2(pmaxub),
|
|
[0xdf] = MMX_OP2(pandn),
|
|
[0xe0] = MMX_OP2(pavgb),
|
|
[0xe1] = MMX_OP2(psraw),
|
|
[0xe2] = MMX_OP2(psrad),
|
|
[0xe3] = MMX_OP2(pavgw),
|
|
[0xe4] = MMX_OP2(pmulhuw),
|
|
[0xe5] = MMX_OP2(pmulhw),
|
|
[0xe6] = { NULL, helper_cvttpd2dq, helper_cvtdq2pd, helper_cvtpd2dq },
|
|
[0xe7] = { SSE_SPECIAL , SSE_SPECIAL }, /* movntq, movntq */
|
|
[0xe8] = MMX_OP2(psubsb),
|
|
[0xe9] = MMX_OP2(psubsw),
|
|
[0xea] = MMX_OP2(pminsw),
|
|
[0xeb] = MMX_OP2(por),
|
|
[0xec] = MMX_OP2(paddsb),
|
|
[0xed] = MMX_OP2(paddsw),
|
|
[0xee] = MMX_OP2(pmaxsw),
|
|
[0xef] = MMX_OP2(pxor),
|
|
[0xf0] = { NULL, NULL, NULL, SSE_SPECIAL }, /* lddqu */
|
|
[0xf1] = MMX_OP2(psllw),
|
|
[0xf2] = MMX_OP2(pslld),
|
|
[0xf3] = MMX_OP2(psllq),
|
|
[0xf4] = MMX_OP2(pmuludq),
|
|
[0xf5] = MMX_OP2(pmaddwd),
|
|
[0xf6] = MMX_OP2(psadbw),
|
|
[0xf7] = MMX_OP2(maskmov),
|
|
[0xf8] = MMX_OP2(psubb),
|
|
[0xf9] = MMX_OP2(psubw),
|
|
[0xfa] = MMX_OP2(psubl),
|
|
[0xfb] = MMX_OP2(psubq),
|
|
[0xfc] = MMX_OP2(paddb),
|
|
[0xfd] = MMX_OP2(paddw),
|
|
[0xfe] = MMX_OP2(paddl),
|
|
};
|
|
|
|
static void *sse_op_table2[3 * 8][2] = {
|
|
[0 + 2] = MMX_OP2(psrlw),
|
|
[0 + 4] = MMX_OP2(psraw),
|
|
[0 + 6] = MMX_OP2(psllw),
|
|
[8 + 2] = MMX_OP2(psrld),
|
|
[8 + 4] = MMX_OP2(psrad),
|
|
[8 + 6] = MMX_OP2(pslld),
|
|
[16 + 2] = MMX_OP2(psrlq),
|
|
[16 + 3] = { NULL, helper_psrldq_xmm },
|
|
[16 + 6] = MMX_OP2(psllq),
|
|
[16 + 7] = { NULL, helper_pslldq_xmm },
|
|
};
|
|
|
|
static void *sse_op_table3[4 * 3] = {
|
|
helper_cvtsi2ss,
|
|
helper_cvtsi2sd,
|
|
X86_64_ONLY(helper_cvtsq2ss),
|
|
X86_64_ONLY(helper_cvtsq2sd),
|
|
|
|
helper_cvttss2si,
|
|
helper_cvttsd2si,
|
|
X86_64_ONLY(helper_cvttss2sq),
|
|
X86_64_ONLY(helper_cvttsd2sq),
|
|
|
|
helper_cvtss2si,
|
|
helper_cvtsd2si,
|
|
X86_64_ONLY(helper_cvtss2sq),
|
|
X86_64_ONLY(helper_cvtsd2sq),
|
|
};
|
|
|
|
static void *sse_op_table4[8][4] = {
|
|
SSE_FOP(cmpeq),
|
|
SSE_FOP(cmplt),
|
|
SSE_FOP(cmple),
|
|
SSE_FOP(cmpunord),
|
|
SSE_FOP(cmpneq),
|
|
SSE_FOP(cmpnlt),
|
|
SSE_FOP(cmpnle),
|
|
SSE_FOP(cmpord),
|
|
};
|
|
|
|
static void *sse_op_table5[256] = {
|
|
[0x0c] = helper_pi2fw,
|
|
[0x0d] = helper_pi2fd,
|
|
[0x1c] = helper_pf2iw,
|
|
[0x1d] = helper_pf2id,
|
|
[0x8a] = helper_pfnacc,
|
|
[0x8e] = helper_pfpnacc,
|
|
[0x90] = helper_pfcmpge,
|
|
[0x94] = helper_pfmin,
|
|
[0x96] = helper_pfrcp,
|
|
[0x97] = helper_pfrsqrt,
|
|
[0x9a] = helper_pfsub,
|
|
[0x9e] = helper_pfadd,
|
|
[0xa0] = helper_pfcmpgt,
|
|
[0xa4] = helper_pfmax,
|
|
[0xa6] = helper_movq, /* pfrcpit1; no need to actually increase precision */
|
|
[0xa7] = helper_movq, /* pfrsqit1 */
|
|
[0xaa] = helper_pfsubr,
|
|
[0xae] = helper_pfacc,
|
|
[0xb0] = helper_pfcmpeq,
|
|
[0xb4] = helper_pfmul,
|
|
[0xb6] = helper_movq, /* pfrcpit2 */
|
|
[0xb7] = helper_pmulhrw_mmx,
|
|
[0xbb] = helper_pswapd,
|
|
[0xbf] = helper_pavgb_mmx /* pavgusb */
|
|
};
|
|
|
|
static void *sse_op_table6[256][2] = {
|
|
[0x00] = MMX_OP2(pshufb),
|
|
[0x01] = MMX_OP2(phaddw),
|
|
[0x02] = MMX_OP2(phaddd),
|
|
[0x03] = MMX_OP2(phaddsw),
|
|
[0x04] = MMX_OP2(pmaddubsw),
|
|
[0x05] = MMX_OP2(phsubw),
|
|
[0x06] = MMX_OP2(phsubd),
|
|
[0x07] = MMX_OP2(phsubsw),
|
|
[0x08] = MMX_OP2(psignb),
|
|
[0x09] = MMX_OP2(psignw),
|
|
[0x0a] = MMX_OP2(psignd),
|
|
[0x0b] = MMX_OP2(pmulhrsw),
|
|
[0x1c] = MMX_OP2(pabsb),
|
|
[0x1d] = MMX_OP2(pabsw),
|
|
[0x1e] = MMX_OP2(pabsd),
|
|
};
|
|
|
|
static void *sse_op_table7[256][2] = {
|
|
[0x0f] = MMX_OP2(palignr),
|
|
};
|
|
|
|
static void gen_sse(DisasContext *s, int b, target_ulong pc_start, int rex_r)
|
|
{
|
|
int b1, op1_offset, op2_offset, is_xmm, val, ot;
|
|
int modrm, mod, rm, reg, reg_addr, offset_addr;
|
|
void *sse_op2;
|
|
|
|
b &= 0xff;
|
|
if (s->prefix & PREFIX_DATA)
|
|
b1 = 1;
|
|
else if (s->prefix & PREFIX_REPZ)
|
|
b1 = 2;
|
|
else if (s->prefix & PREFIX_REPNZ)
|
|
b1 = 3;
|
|
else
|
|
b1 = 0;
|
|
sse_op2 = sse_op_table1[b][b1];
|
|
if (!sse_op2)
|
|
goto illegal_op;
|
|
if ((b <= 0x5f && b >= 0x10) || b == 0xc6 || b == 0xc2) {
|
|
is_xmm = 1;
|
|
} else {
|
|
if (b1 == 0) {
|
|
/* MMX case */
|
|
is_xmm = 0;
|
|
} else {
|
|
is_xmm = 1;
|
|
}
|
|
}
|
|
/* simple MMX/SSE operation */
|
|
if (s->flags & HF_TS_MASK) {
|
|
gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
|
|
return;
|
|
}
|
|
if (s->flags & HF_EM_MASK) {
|
|
illegal_op:
|
|
gen_exception(s, EXCP06_ILLOP, pc_start - s->cs_base);
|
|
return;
|
|
}
|
|
if (is_xmm && !(s->flags & HF_OSFXSR_MASK))
|
|
if ((b != 0x38 && b != 0x3a) || (s->prefix & PREFIX_DATA))
|
|
goto illegal_op;
|
|
if (b == 0x0e) {
|
|
if (!(s->cpuid_ext2_features & CPUID_EXT2_3DNOW))
|
|
goto illegal_op;
|
|
/* femms */
|
|
tcg_gen_helper_0_0(helper_emms);
|
|
return;
|
|
}
|
|
if (b == 0x77) {
|
|
/* emms */
|
|
tcg_gen_helper_0_0(helper_emms);
|
|
return;
|
|
}
|
|
/* prepare MMX state (XXX: optimize by storing fptt and fptags in
|
|
the static cpu state) */
|
|
if (!is_xmm) {
|
|
tcg_gen_helper_0_0(helper_enter_mmx);
|
|
}
|
|
|
|
modrm = ldub_code(s->pc++);
|
|
reg = ((modrm >> 3) & 7);
|
|
if (is_xmm)
|
|
reg |= rex_r;
|
|
mod = (modrm >> 6) & 3;
|
|
if (sse_op2 == SSE_SPECIAL) {
|
|
b |= (b1 << 8);
|
|
switch(b) {
|
|
case 0x0e7: /* movntq */
|
|
if (mod == 3)
|
|
goto illegal_op;
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,fpregs[reg].mmx));
|
|
break;
|
|
case 0x1e7: /* movntdq */
|
|
case 0x02b: /* movntps */
|
|
case 0x12b: /* movntps */
|
|
case 0x3f0: /* lddqu */
|
|
if (mod == 3)
|
|
goto illegal_op;
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_sto_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg]));
|
|
break;
|
|
case 0x6e: /* movd mm, ea */
|
|
#ifdef TARGET_X86_64
|
|
if (s->dflag == 2) {
|
|
gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 0);
|
|
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,fpregs[reg].mmx));
|
|
} else
|
|
#endif
|
|
{
|
|
gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 0);
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env,
|
|
offsetof(CPUX86State,fpregs[reg].mmx));
|
|
tcg_gen_helper_0_2(helper_movl_mm_T0_mmx, cpu_ptr0, cpu_T[0]);
|
|
}
|
|
break;
|
|
case 0x16e: /* movd xmm, ea */
|
|
#ifdef TARGET_X86_64
|
|
if (s->dflag == 2) {
|
|
gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 0);
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env,
|
|
offsetof(CPUX86State,xmm_regs[reg]));
|
|
tcg_gen_helper_0_2(helper_movq_mm_T0_xmm, cpu_ptr0, cpu_T[0]);
|
|
} else
|
|
#endif
|
|
{
|
|
gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 0);
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env,
|
|
offsetof(CPUX86State,xmm_regs[reg]));
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
|
tcg_gen_helper_0_2(helper_movl_mm_T0_xmm, cpu_ptr0, cpu_tmp2_i32);
|
|
}
|
|
break;
|
|
case 0x6f: /* movq mm, ea */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,fpregs[reg].mmx));
|
|
} else {
|
|
rm = (modrm & 7);
|
|
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env,
|
|
offsetof(CPUX86State,fpregs[rm].mmx));
|
|
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env,
|
|
offsetof(CPUX86State,fpregs[reg].mmx));
|
|
}
|
|
break;
|
|
case 0x010: /* movups */
|
|
case 0x110: /* movupd */
|
|
case 0x028: /* movaps */
|
|
case 0x128: /* movapd */
|
|
case 0x16f: /* movdqa xmm, ea */
|
|
case 0x26f: /* movdqu xmm, ea */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_ldo_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg]));
|
|
} else {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_movo(offsetof(CPUX86State,xmm_regs[reg]),
|
|
offsetof(CPUX86State,xmm_regs[rm]));
|
|
}
|
|
break;
|
|
case 0x210: /* movss xmm, ea */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_op_ld_T0_A0(OT_LONG + s->mem_index);
|
|
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)));
|
|
gen_op_movl_T0_0();
|
|
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(1)));
|
|
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(2)));
|
|
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(3)));
|
|
} else {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)),
|
|
offsetof(CPUX86State,xmm_regs[rm].XMM_L(0)));
|
|
}
|
|
break;
|
|
case 0x310: /* movsd xmm, ea */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
|
gen_op_movl_T0_0();
|
|
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(2)));
|
|
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(3)));
|
|
} else {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)),
|
|
offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)));
|
|
}
|
|
break;
|
|
case 0x012: /* movlps */
|
|
case 0x112: /* movlpd */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
|
} else {
|
|
/* movhlps */
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)),
|
|
offsetof(CPUX86State,xmm_regs[rm].XMM_Q(1)));
|
|
}
|
|
break;
|
|
case 0x212: /* movsldup */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_ldo_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg]));
|
|
} else {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)),
|
|
offsetof(CPUX86State,xmm_regs[rm].XMM_L(0)));
|
|
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(2)),
|
|
offsetof(CPUX86State,xmm_regs[rm].XMM_L(2)));
|
|
}
|
|
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(1)),
|
|
offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)));
|
|
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(3)),
|
|
offsetof(CPUX86State,xmm_regs[reg].XMM_L(2)));
|
|
break;
|
|
case 0x312: /* movddup */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
|
} else {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)),
|
|
offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)));
|
|
}
|
|
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)),
|
|
offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
|
break;
|
|
case 0x016: /* movhps */
|
|
case 0x116: /* movhpd */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)));
|
|
} else {
|
|
/* movlhps */
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)),
|
|
offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)));
|
|
}
|
|
break;
|
|
case 0x216: /* movshdup */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_ldo_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg]));
|
|
} else {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(1)),
|
|
offsetof(CPUX86State,xmm_regs[rm].XMM_L(1)));
|
|
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(3)),
|
|
offsetof(CPUX86State,xmm_regs[rm].XMM_L(3)));
|
|
}
|
|
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)),
|
|
offsetof(CPUX86State,xmm_regs[reg].XMM_L(1)));
|
|
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(2)),
|
|
offsetof(CPUX86State,xmm_regs[reg].XMM_L(3)));
|
|
break;
|
|
case 0x7e: /* movd ea, mm */
|
|
#ifdef TARGET_X86_64
|
|
if (s->dflag == 2) {
|
|
tcg_gen_ld_i64(cpu_T[0], cpu_env,
|
|
offsetof(CPUX86State,fpregs[reg].mmx));
|
|
gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 1);
|
|
} else
|
|
#endif
|
|
{
|
|
tcg_gen_ld32u_tl(cpu_T[0], cpu_env,
|
|
offsetof(CPUX86State,fpregs[reg].mmx.MMX_L(0)));
|
|
gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 1);
|
|
}
|
|
break;
|
|
case 0x17e: /* movd ea, xmm */
|
|
#ifdef TARGET_X86_64
|
|
if (s->dflag == 2) {
|
|
tcg_gen_ld_i64(cpu_T[0], cpu_env,
|
|
offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
|
gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 1);
|
|
} else
|
|
#endif
|
|
{
|
|
tcg_gen_ld32u_tl(cpu_T[0], cpu_env,
|
|
offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)));
|
|
gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 1);
|
|
}
|
|
break;
|
|
case 0x27e: /* movq xmm, ea */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
|
} else {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)),
|
|
offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)));
|
|
}
|
|
gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)));
|
|
break;
|
|
case 0x7f: /* movq ea, mm */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,fpregs[reg].mmx));
|
|
} else {
|
|
rm = (modrm & 7);
|
|
gen_op_movq(offsetof(CPUX86State,fpregs[rm].mmx),
|
|
offsetof(CPUX86State,fpregs[reg].mmx));
|
|
}
|
|
break;
|
|
case 0x011: /* movups */
|
|
case 0x111: /* movupd */
|
|
case 0x029: /* movaps */
|
|
case 0x129: /* movapd */
|
|
case 0x17f: /* movdqa ea, xmm */
|
|
case 0x27f: /* movdqu ea, xmm */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_sto_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg]));
|
|
} else {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_movo(offsetof(CPUX86State,xmm_regs[rm]),
|
|
offsetof(CPUX86State,xmm_regs[reg]));
|
|
}
|
|
break;
|
|
case 0x211: /* movss ea, xmm */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)));
|
|
gen_op_st_T0_A0(OT_LONG + s->mem_index);
|
|
} else {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_movl(offsetof(CPUX86State,xmm_regs[rm].XMM_L(0)),
|
|
offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)));
|
|
}
|
|
break;
|
|
case 0x311: /* movsd ea, xmm */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
|
} else {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_movq(offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)),
|
|
offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
|
}
|
|
break;
|
|
case 0x013: /* movlps */
|
|
case 0x113: /* movlpd */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
|
} else {
|
|
goto illegal_op;
|
|
}
|
|
break;
|
|
case 0x017: /* movhps */
|
|
case 0x117: /* movhpd */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)));
|
|
} else {
|
|
goto illegal_op;
|
|
}
|
|
break;
|
|
case 0x71: /* shift mm, im */
|
|
case 0x72:
|
|
case 0x73:
|
|
case 0x171: /* shift xmm, im */
|
|
case 0x172:
|
|
case 0x173:
|
|
val = ldub_code(s->pc++);
|
|
if (is_xmm) {
|
|
gen_op_movl_T0_im(val);
|
|
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_t0.XMM_L(0)));
|
|
gen_op_movl_T0_0();
|
|
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_t0.XMM_L(1)));
|
|
op1_offset = offsetof(CPUX86State,xmm_t0);
|
|
} else {
|
|
gen_op_movl_T0_im(val);
|
|
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,mmx_t0.MMX_L(0)));
|
|
gen_op_movl_T0_0();
|
|
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,mmx_t0.MMX_L(1)));
|
|
op1_offset = offsetof(CPUX86State,mmx_t0);
|
|
}
|
|
sse_op2 = sse_op_table2[((b - 1) & 3) * 8 + (((modrm >> 3)) & 7)][b1];
|
|
if (!sse_op2)
|
|
goto illegal_op;
|
|
if (is_xmm) {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
op2_offset = offsetof(CPUX86State,xmm_regs[rm]);
|
|
} else {
|
|
rm = (modrm & 7);
|
|
op2_offset = offsetof(CPUX86State,fpregs[rm].mmx);
|
|
}
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op2_offset);
|
|
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op1_offset);
|
|
tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_ptr1);
|
|
break;
|
|
case 0x050: /* movmskps */
|
|
rm = (modrm & 7) | REX_B(s);
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env,
|
|
offsetof(CPUX86State,xmm_regs[rm]));
|
|
tcg_gen_helper_1_1(helper_movmskps, cpu_tmp2_i32, cpu_ptr0);
|
|
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
|
gen_op_mov_reg_T0(OT_LONG, reg);
|
|
break;
|
|
case 0x150: /* movmskpd */
|
|
rm = (modrm & 7) | REX_B(s);
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env,
|
|
offsetof(CPUX86State,xmm_regs[rm]));
|
|
tcg_gen_helper_1_1(helper_movmskpd, cpu_tmp2_i32, cpu_ptr0);
|
|
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
|
gen_op_mov_reg_T0(OT_LONG, reg);
|
|
break;
|
|
case 0x02a: /* cvtpi2ps */
|
|
case 0x12a: /* cvtpi2pd */
|
|
tcg_gen_helper_0_0(helper_enter_mmx);
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
op2_offset = offsetof(CPUX86State,mmx_t0);
|
|
gen_ldq_env_A0(s->mem_index, op2_offset);
|
|
} else {
|
|
rm = (modrm & 7);
|
|
op2_offset = offsetof(CPUX86State,fpregs[rm].mmx);
|
|
}
|
|
op1_offset = offsetof(CPUX86State,xmm_regs[reg]);
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
|
|
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
|
|
switch(b >> 8) {
|
|
case 0x0:
|
|
tcg_gen_helper_0_2(helper_cvtpi2ps, cpu_ptr0, cpu_ptr1);
|
|
break;
|
|
default:
|
|
case 0x1:
|
|
tcg_gen_helper_0_2(helper_cvtpi2pd, cpu_ptr0, cpu_ptr1);
|
|
break;
|
|
}
|
|
break;
|
|
case 0x22a: /* cvtsi2ss */
|
|
case 0x32a: /* cvtsi2sd */
|
|
ot = (s->dflag == 2) ? OT_QUAD : OT_LONG;
|
|
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
|
|
op1_offset = offsetof(CPUX86State,xmm_regs[reg]);
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
|
|
sse_op2 = sse_op_table3[(s->dflag == 2) * 2 + ((b >> 8) - 2)];
|
|
if (ot == OT_LONG) {
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
|
tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_tmp2_i32);
|
|
} else {
|
|
tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_T[0]);
|
|
}
|
|
break;
|
|
case 0x02c: /* cvttps2pi */
|
|
case 0x12c: /* cvttpd2pi */
|
|
case 0x02d: /* cvtps2pi */
|
|
case 0x12d: /* cvtpd2pi */
|
|
tcg_gen_helper_0_0(helper_enter_mmx);
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
op2_offset = offsetof(CPUX86State,xmm_t0);
|
|
gen_ldo_env_A0(s->mem_index, op2_offset);
|
|
} else {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
op2_offset = offsetof(CPUX86State,xmm_regs[rm]);
|
|
}
|
|
op1_offset = offsetof(CPUX86State,fpregs[reg & 7].mmx);
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
|
|
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
|
|
switch(b) {
|
|
case 0x02c:
|
|
tcg_gen_helper_0_2(helper_cvttps2pi, cpu_ptr0, cpu_ptr1);
|
|
break;
|
|
case 0x12c:
|
|
tcg_gen_helper_0_2(helper_cvttpd2pi, cpu_ptr0, cpu_ptr1);
|
|
break;
|
|
case 0x02d:
|
|
tcg_gen_helper_0_2(helper_cvtps2pi, cpu_ptr0, cpu_ptr1);
|
|
break;
|
|
case 0x12d:
|
|
tcg_gen_helper_0_2(helper_cvtpd2pi, cpu_ptr0, cpu_ptr1);
|
|
break;
|
|
}
|
|
break;
|
|
case 0x22c: /* cvttss2si */
|
|
case 0x32c: /* cvttsd2si */
|
|
case 0x22d: /* cvtss2si */
|
|
case 0x32d: /* cvtsd2si */
|
|
ot = (s->dflag == 2) ? OT_QUAD : OT_LONG;
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
if ((b >> 8) & 1) {
|
|
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_t0.XMM_Q(0)));
|
|
} else {
|
|
gen_op_ld_T0_A0(OT_LONG + s->mem_index);
|
|
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_t0.XMM_L(0)));
|
|
}
|
|
op2_offset = offsetof(CPUX86State,xmm_t0);
|
|
} else {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
op2_offset = offsetof(CPUX86State,xmm_regs[rm]);
|
|
}
|
|
sse_op2 = sse_op_table3[(s->dflag == 2) * 2 + ((b >> 8) - 2) + 4 +
|
|
(b & 1) * 4];
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op2_offset);
|
|
if (ot == OT_LONG) {
|
|
tcg_gen_helper_1_1(sse_op2, cpu_tmp2_i32, cpu_ptr0);
|
|
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
|
} else {
|
|
tcg_gen_helper_1_1(sse_op2, cpu_T[0], cpu_ptr0);
|
|
}
|
|
gen_op_mov_reg_T0(ot, reg);
|
|
break;
|
|
case 0xc4: /* pinsrw */
|
|
case 0x1c4:
|
|
s->rip_offset = 1;
|
|
gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
|
|
val = ldub_code(s->pc++);
|
|
if (b1) {
|
|
val &= 7;
|
|
tcg_gen_st16_tl(cpu_T[0], cpu_env,
|
|
offsetof(CPUX86State,xmm_regs[reg].XMM_W(val)));
|
|
} else {
|
|
val &= 3;
|
|
tcg_gen_st16_tl(cpu_T[0], cpu_env,
|
|
offsetof(CPUX86State,fpregs[reg].mmx.MMX_W(val)));
|
|
}
|
|
break;
|
|
case 0xc5: /* pextrw */
|
|
case 0x1c5:
|
|
if (mod != 3)
|
|
goto illegal_op;
|
|
ot = (s->dflag == 2) ? OT_QUAD : OT_LONG;
|
|
val = ldub_code(s->pc++);
|
|
if (b1) {
|
|
val &= 7;
|
|
rm = (modrm & 7) | REX_B(s);
|
|
tcg_gen_ld16u_tl(cpu_T[0], cpu_env,
|
|
offsetof(CPUX86State,xmm_regs[rm].XMM_W(val)));
|
|
} else {
|
|
val &= 3;
|
|
rm = (modrm & 7);
|
|
tcg_gen_ld16u_tl(cpu_T[0], cpu_env,
|
|
offsetof(CPUX86State,fpregs[rm].mmx.MMX_W(val)));
|
|
}
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
gen_op_mov_reg_T0(ot, reg);
|
|
break;
|
|
case 0x1d6: /* movq ea, xmm */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
|
} else {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_movq(offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)),
|
|
offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
|
gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[rm].XMM_Q(1)));
|
|
}
|
|
break;
|
|
case 0x2d6: /* movq2dq */
|
|
tcg_gen_helper_0_0(helper_enter_mmx);
|
|
rm = (modrm & 7);
|
|
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)),
|
|
offsetof(CPUX86State,fpregs[rm].mmx));
|
|
gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)));
|
|
break;
|
|
case 0x3d6: /* movdq2q */
|
|
tcg_gen_helper_0_0(helper_enter_mmx);
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_movq(offsetof(CPUX86State,fpregs[reg & 7].mmx),
|
|
offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)));
|
|
break;
|
|
case 0xd7: /* pmovmskb */
|
|
case 0x1d7:
|
|
if (mod != 3)
|
|
goto illegal_op;
|
|
if (b1) {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, offsetof(CPUX86State,xmm_regs[rm]));
|
|
tcg_gen_helper_1_1(helper_pmovmskb_xmm, cpu_tmp2_i32, cpu_ptr0);
|
|
} else {
|
|
rm = (modrm & 7);
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, offsetof(CPUX86State,fpregs[rm].mmx));
|
|
tcg_gen_helper_1_1(helper_pmovmskb_mmx, cpu_tmp2_i32, cpu_ptr0);
|
|
}
|
|
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
gen_op_mov_reg_T0(OT_LONG, reg);
|
|
break;
|
|
case 0x038:
|
|
case 0x138:
|
|
if (!(s->cpuid_ext_features & CPUID_EXT_SSSE3))
|
|
goto illegal_op;
|
|
|
|
b = modrm;
|
|
modrm = ldub_code(s->pc++);
|
|
rm = modrm & 7;
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
mod = (modrm >> 6) & 3;
|
|
|
|
sse_op2 = sse_op_table6[b][b1];
|
|
if (!sse_op2)
|
|
goto illegal_op;
|
|
|
|
if (b1) {
|
|
op1_offset = offsetof(CPUX86State,xmm_regs[reg]);
|
|
if (mod == 3) {
|
|
op2_offset = offsetof(CPUX86State,xmm_regs[rm | REX_B(s)]);
|
|
} else {
|
|
op2_offset = offsetof(CPUX86State,xmm_t0);
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_ldo_env_A0(s->mem_index, op2_offset);
|
|
}
|
|
} else {
|
|
op1_offset = offsetof(CPUX86State,fpregs[reg].mmx);
|
|
if (mod == 3) {
|
|
op2_offset = offsetof(CPUX86State,fpregs[rm].mmx);
|
|
} else {
|
|
op2_offset = offsetof(CPUX86State,mmx_t0);
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_ldq_env_A0(s->mem_index, op2_offset);
|
|
}
|
|
}
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
|
|
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
|
|
tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_ptr1);
|
|
break;
|
|
case 0x03a:
|
|
case 0x13a:
|
|
if (!(s->cpuid_ext_features & CPUID_EXT_SSSE3))
|
|
goto illegal_op;
|
|
|
|
b = modrm;
|
|
modrm = ldub_code(s->pc++);
|
|
rm = modrm & 7;
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
mod = (modrm >> 6) & 3;
|
|
|
|
sse_op2 = sse_op_table7[b][b1];
|
|
if (!sse_op2)
|
|
goto illegal_op;
|
|
|
|
if (b1) {
|
|
op1_offset = offsetof(CPUX86State,xmm_regs[reg]);
|
|
if (mod == 3) {
|
|
op2_offset = offsetof(CPUX86State,xmm_regs[rm | REX_B(s)]);
|
|
} else {
|
|
op2_offset = offsetof(CPUX86State,xmm_t0);
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_ldo_env_A0(s->mem_index, op2_offset);
|
|
}
|
|
} else {
|
|
op1_offset = offsetof(CPUX86State,fpregs[reg].mmx);
|
|
if (mod == 3) {
|
|
op2_offset = offsetof(CPUX86State,fpregs[rm].mmx);
|
|
} else {
|
|
op2_offset = offsetof(CPUX86State,mmx_t0);
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_ldq_env_A0(s->mem_index, op2_offset);
|
|
}
|
|
}
|
|
val = ldub_code(s->pc++);
|
|
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
|
|
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
|
|
tcg_gen_helper_0_3(sse_op2, cpu_ptr0, cpu_ptr1, tcg_const_i32(val));
|
|
break;
|
|
default:
|
|
goto illegal_op;
|
|
}
|
|
} else {
|
|
/* generic MMX or SSE operation */
|
|
switch(b) {
|
|
case 0x70: /* pshufx insn */
|
|
case 0xc6: /* pshufx insn */
|
|
case 0xc2: /* compare insns */
|
|
s->rip_offset = 1;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
if (is_xmm) {
|
|
op1_offset = offsetof(CPUX86State,xmm_regs[reg]);
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
op2_offset = offsetof(CPUX86State,xmm_t0);
|
|
if (b1 >= 2 && ((b >= 0x50 && b <= 0x5f && b != 0x5b) ||
|
|
b == 0xc2)) {
|
|
/* specific case for SSE single instructions */
|
|
if (b1 == 2) {
|
|
/* 32 bit access */
|
|
gen_op_ld_T0_A0(OT_LONG + s->mem_index);
|
|
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_t0.XMM_L(0)));
|
|
} else {
|
|
/* 64 bit access */
|
|
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_t0.XMM_D(0)));
|
|
}
|
|
} else {
|
|
gen_ldo_env_A0(s->mem_index, op2_offset);
|
|
}
|
|
} else {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
op2_offset = offsetof(CPUX86State,xmm_regs[rm]);
|
|
}
|
|
} else {
|
|
op1_offset = offsetof(CPUX86State,fpregs[reg].mmx);
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
op2_offset = offsetof(CPUX86State,mmx_t0);
|
|
gen_ldq_env_A0(s->mem_index, op2_offset);
|
|
} else {
|
|
rm = (modrm & 7);
|
|
op2_offset = offsetof(CPUX86State,fpregs[rm].mmx);
|
|
}
|
|
}
|
|
switch(b) {
|
|
case 0x0f: /* 3DNow! data insns */
|
|
if (!(s->cpuid_ext2_features & CPUID_EXT2_3DNOW))
|
|
goto illegal_op;
|
|
val = ldub_code(s->pc++);
|
|
sse_op2 = sse_op_table5[val];
|
|
if (!sse_op2)
|
|
goto illegal_op;
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
|
|
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
|
|
tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_ptr1);
|
|
break;
|
|
case 0x70: /* pshufx insn */
|
|
case 0xc6: /* pshufx insn */
|
|
val = ldub_code(s->pc++);
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
|
|
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
|
|
tcg_gen_helper_0_3(sse_op2, cpu_ptr0, cpu_ptr1, tcg_const_i32(val));
|
|
break;
|
|
case 0xc2:
|
|
/* compare insns */
|
|
val = ldub_code(s->pc++);
|
|
if (val >= 8)
|
|
goto illegal_op;
|
|
sse_op2 = sse_op_table4[val][b1];
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
|
|
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
|
|
tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_ptr1);
|
|
break;
|
|
case 0xf7:
|
|
/* maskmov : we must prepare A0 */
|
|
if (mod != 3)
|
|
goto illegal_op;
|
|
#ifdef TARGET_X86_64
|
|
if (s->aflag == 2) {
|
|
gen_op_movq_A0_reg(R_EDI);
|
|
} else
|
|
#endif
|
|
{
|
|
gen_op_movl_A0_reg(R_EDI);
|
|
if (s->aflag == 0)
|
|
gen_op_andl_A0_ffff();
|
|
}
|
|
gen_add_A0_ds_seg(s);
|
|
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
|
|
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
|
|
tcg_gen_helper_0_3(sse_op2, cpu_ptr0, cpu_ptr1, cpu_A0);
|
|
break;
|
|
default:
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
|
|
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
|
|
tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_ptr1);
|
|
break;
|
|
}
|
|
if (b == 0x2e || b == 0x2f) {
|
|
s->cc_op = CC_OP_EFLAGS;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* convert one instruction. s->is_jmp is set if the translation must
|
|
be stopped. Return the next pc value */
|
|
static target_ulong disas_insn(DisasContext *s, target_ulong pc_start)
|
|
{
|
|
int b, prefixes, aflag, dflag;
|
|
int shift, ot;
|
|
int modrm, reg, rm, mod, reg_addr, op, opreg, offset_addr, val;
|
|
target_ulong next_eip, tval;
|
|
int rex_w, rex_r;
|
|
|
|
if (unlikely(loglevel & CPU_LOG_TB_OP))
|
|
tcg_gen_debug_insn_start(pc_start);
|
|
s->pc = pc_start;
|
|
prefixes = 0;
|
|
aflag = s->code32;
|
|
dflag = s->code32;
|
|
s->override = -1;
|
|
rex_w = -1;
|
|
rex_r = 0;
|
|
#ifdef TARGET_X86_64
|
|
s->rex_x = 0;
|
|
s->rex_b = 0;
|
|
x86_64_hregs = 0;
|
|
#endif
|
|
s->rip_offset = 0; /* for relative ip address */
|
|
next_byte:
|
|
b = ldub_code(s->pc);
|
|
s->pc++;
|
|
/* check prefixes */
|
|
#ifdef TARGET_X86_64
|
|
if (CODE64(s)) {
|
|
switch (b) {
|
|
case 0xf3:
|
|
prefixes |= PREFIX_REPZ;
|
|
goto next_byte;
|
|
case 0xf2:
|
|
prefixes |= PREFIX_REPNZ;
|
|
goto next_byte;
|
|
case 0xf0:
|
|
prefixes |= PREFIX_LOCK;
|
|
goto next_byte;
|
|
case 0x2e:
|
|
s->override = R_CS;
|
|
goto next_byte;
|
|
case 0x36:
|
|
s->override = R_SS;
|
|
goto next_byte;
|
|
case 0x3e:
|
|
s->override = R_DS;
|
|
goto next_byte;
|
|
case 0x26:
|
|
s->override = R_ES;
|
|
goto next_byte;
|
|
case 0x64:
|
|
s->override = R_FS;
|
|
goto next_byte;
|
|
case 0x65:
|
|
s->override = R_GS;
|
|
goto next_byte;
|
|
case 0x66:
|
|
prefixes |= PREFIX_DATA;
|
|
goto next_byte;
|
|
case 0x67:
|
|
prefixes |= PREFIX_ADR;
|
|
goto next_byte;
|
|
case 0x40 ... 0x4f:
|
|
/* REX prefix */
|
|
rex_w = (b >> 3) & 1;
|
|
rex_r = (b & 0x4) << 1;
|
|
s->rex_x = (b & 0x2) << 2;
|
|
REX_B(s) = (b & 0x1) << 3;
|
|
x86_64_hregs = 1; /* select uniform byte register addressing */
|
|
goto next_byte;
|
|
}
|
|
if (rex_w == 1) {
|
|
/* 0x66 is ignored if rex.w is set */
|
|
dflag = 2;
|
|
} else {
|
|
if (prefixes & PREFIX_DATA)
|
|
dflag ^= 1;
|
|
}
|
|
if (!(prefixes & PREFIX_ADR))
|
|
aflag = 2;
|
|
} else
|
|
#endif
|
|
{
|
|
switch (b) {
|
|
case 0xf3:
|
|
prefixes |= PREFIX_REPZ;
|
|
goto next_byte;
|
|
case 0xf2:
|
|
prefixes |= PREFIX_REPNZ;
|
|
goto next_byte;
|
|
case 0xf0:
|
|
prefixes |= PREFIX_LOCK;
|
|
goto next_byte;
|
|
case 0x2e:
|
|
s->override = R_CS;
|
|
goto next_byte;
|
|
case 0x36:
|
|
s->override = R_SS;
|
|
goto next_byte;
|
|
case 0x3e:
|
|
s->override = R_DS;
|
|
goto next_byte;
|
|
case 0x26:
|
|
s->override = R_ES;
|
|
goto next_byte;
|
|
case 0x64:
|
|
s->override = R_FS;
|
|
goto next_byte;
|
|
case 0x65:
|
|
s->override = R_GS;
|
|
goto next_byte;
|
|
case 0x66:
|
|
prefixes |= PREFIX_DATA;
|
|
goto next_byte;
|
|
case 0x67:
|
|
prefixes |= PREFIX_ADR;
|
|
goto next_byte;
|
|
}
|
|
if (prefixes & PREFIX_DATA)
|
|
dflag ^= 1;
|
|
if (prefixes & PREFIX_ADR)
|
|
aflag ^= 1;
|
|
}
|
|
|
|
s->prefix = prefixes;
|
|
s->aflag = aflag;
|
|
s->dflag = dflag;
|
|
|
|
/* lock generation */
|
|
if (prefixes & PREFIX_LOCK)
|
|
tcg_gen_helper_0_0(helper_lock);
|
|
|
|
/* now check op code */
|
|
reswitch:
|
|
switch(b) {
|
|
case 0x0f:
|
|
/**************************/
|
|
/* extended op code */
|
|
b = ldub_code(s->pc++) | 0x100;
|
|
goto reswitch;
|
|
|
|
/**************************/
|
|
/* arith & logic */
|
|
case 0x00 ... 0x05:
|
|
case 0x08 ... 0x0d:
|
|
case 0x10 ... 0x15:
|
|
case 0x18 ... 0x1d:
|
|
case 0x20 ... 0x25:
|
|
case 0x28 ... 0x2d:
|
|
case 0x30 ... 0x35:
|
|
case 0x38 ... 0x3d:
|
|
{
|
|
int op, f, val;
|
|
op = (b >> 3) & 7;
|
|
f = (b >> 1) & 3;
|
|
|
|
if ((b & 1) == 0)
|
|
ot = OT_BYTE;
|
|
else
|
|
ot = dflag + OT_WORD;
|
|
|
|
switch(f) {
|
|
case 0: /* OP Ev, Gv */
|
|
modrm = ldub_code(s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
mod = (modrm >> 6) & 3;
|
|
rm = (modrm & 7) | REX_B(s);
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
opreg = OR_TMP0;
|
|
} else if (op == OP_XORL && rm == reg) {
|
|
xor_zero:
|
|
/* xor reg, reg optimisation */
|
|
gen_op_movl_T0_0();
|
|
s->cc_op = CC_OP_LOGICB + ot;
|
|
gen_op_mov_reg_T0(ot, reg);
|
|
gen_op_update1_cc();
|
|
break;
|
|
} else {
|
|
opreg = rm;
|
|
}
|
|
gen_op_mov_TN_reg(ot, 1, reg);
|
|
gen_op(s, op, ot, opreg);
|
|
break;
|
|
case 1: /* OP Gv, Ev */
|
|
modrm = ldub_code(s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
rm = (modrm & 7) | REX_B(s);
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_op_ld_T1_A0(ot + s->mem_index);
|
|
} else if (op == OP_XORL && rm == reg) {
|
|
goto xor_zero;
|
|
} else {
|
|
gen_op_mov_TN_reg(ot, 1, rm);
|
|
}
|
|
gen_op(s, op, ot, reg);
|
|
break;
|
|
case 2: /* OP A, Iv */
|
|
val = insn_get(s, ot);
|
|
gen_op_movl_T1_im(val);
|
|
gen_op(s, op, ot, OR_EAX);
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 0x82:
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
case 0x80: /* GRP1 */
|
|
case 0x81:
|
|
case 0x83:
|
|
{
|
|
int val;
|
|
|
|
if ((b & 1) == 0)
|
|
ot = OT_BYTE;
|
|
else
|
|
ot = dflag + OT_WORD;
|
|
|
|
modrm = ldub_code(s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
rm = (modrm & 7) | REX_B(s);
|
|
op = (modrm >> 3) & 7;
|
|
|
|
if (mod != 3) {
|
|
if (b == 0x83)
|
|
s->rip_offset = 1;
|
|
else
|
|
s->rip_offset = insn_const_size(ot);
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
opreg = OR_TMP0;
|
|
} else {
|
|
opreg = rm;
|
|
}
|
|
|
|
switch(b) {
|
|
default:
|
|
case 0x80:
|
|
case 0x81:
|
|
case 0x82:
|
|
val = insn_get(s, ot);
|
|
break;
|
|
case 0x83:
|
|
val = (int8_t)insn_get(s, OT_BYTE);
|
|
break;
|
|
}
|
|
gen_op_movl_T1_im(val);
|
|
gen_op(s, op, ot, opreg);
|
|
}
|
|
break;
|
|
|
|
/**************************/
|
|
/* inc, dec, and other misc arith */
|
|
case 0x40 ... 0x47: /* inc Gv */
|
|
ot = dflag ? OT_LONG : OT_WORD;
|
|
gen_inc(s, ot, OR_EAX + (b & 7), 1);
|
|
break;
|
|
case 0x48 ... 0x4f: /* dec Gv */
|
|
ot = dflag ? OT_LONG : OT_WORD;
|
|
gen_inc(s, ot, OR_EAX + (b & 7), -1);
|
|
break;
|
|
case 0xf6: /* GRP3 */
|
|
case 0xf7:
|
|
if ((b & 1) == 0)
|
|
ot = OT_BYTE;
|
|
else
|
|
ot = dflag + OT_WORD;
|
|
|
|
modrm = ldub_code(s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
rm = (modrm & 7) | REX_B(s);
|
|
op = (modrm >> 3) & 7;
|
|
if (mod != 3) {
|
|
if (op == 0)
|
|
s->rip_offset = insn_const_size(ot);
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_op_ld_T0_A0(ot + s->mem_index);
|
|
} else {
|
|
gen_op_mov_TN_reg(ot, 0, rm);
|
|
}
|
|
|
|
switch(op) {
|
|
case 0: /* test */
|
|
val = insn_get(s, ot);
|
|
gen_op_movl_T1_im(val);
|
|
gen_op_testl_T0_T1_cc();
|
|
s->cc_op = CC_OP_LOGICB + ot;
|
|
break;
|
|
case 2: /* not */
|
|
tcg_gen_not_tl(cpu_T[0], cpu_T[0]);
|
|
if (mod != 3) {
|
|
gen_op_st_T0_A0(ot + s->mem_index);
|
|
} else {
|
|
gen_op_mov_reg_T0(ot, rm);
|
|
}
|
|
break;
|
|
case 3: /* neg */
|
|
tcg_gen_neg_tl(cpu_T[0], cpu_T[0]);
|
|
if (mod != 3) {
|
|
gen_op_st_T0_A0(ot + s->mem_index);
|
|
} else {
|
|
gen_op_mov_reg_T0(ot, rm);
|
|
}
|
|
gen_op_update_neg_cc();
|
|
s->cc_op = CC_OP_SUBB + ot;
|
|
break;
|
|
case 4: /* mul */
|
|
switch(ot) {
|
|
case OT_BYTE:
|
|
gen_op_mov_TN_reg(OT_BYTE, 1, R_EAX);
|
|
tcg_gen_ext8u_tl(cpu_T[0], cpu_T[0]);
|
|
tcg_gen_ext8u_tl(cpu_T[1], cpu_T[1]);
|
|
/* XXX: use 32 bit mul which could be faster */
|
|
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
|
|
gen_op_mov_reg_T0(OT_WORD, R_EAX);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
|
tcg_gen_andi_tl(cpu_cc_src, cpu_T[0], 0xff00);
|
|
s->cc_op = CC_OP_MULB;
|
|
break;
|
|
case OT_WORD:
|
|
gen_op_mov_TN_reg(OT_WORD, 1, R_EAX);
|
|
tcg_gen_ext16u_tl(cpu_T[0], cpu_T[0]);
|
|
tcg_gen_ext16u_tl(cpu_T[1], cpu_T[1]);
|
|
/* XXX: use 32 bit mul which could be faster */
|
|
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
|
|
gen_op_mov_reg_T0(OT_WORD, R_EAX);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
|
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 16);
|
|
gen_op_mov_reg_T0(OT_WORD, R_EDX);
|
|
tcg_gen_mov_tl(cpu_cc_src, cpu_T[0]);
|
|
s->cc_op = CC_OP_MULW;
|
|
break;
|
|
default:
|
|
case OT_LONG:
|
|
#ifdef TARGET_X86_64
|
|
gen_op_mov_TN_reg(OT_LONG, 1, R_EAX);
|
|
tcg_gen_ext32u_tl(cpu_T[0], cpu_T[0]);
|
|
tcg_gen_ext32u_tl(cpu_T[1], cpu_T[1]);
|
|
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
|
|
gen_op_mov_reg_T0(OT_LONG, R_EAX);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
|
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 32);
|
|
gen_op_mov_reg_T0(OT_LONG, R_EDX);
|
|
tcg_gen_mov_tl(cpu_cc_src, cpu_T[0]);
|
|
#else
|
|
{
|
|
TCGv t0, t1;
|
|
t0 = tcg_temp_new(TCG_TYPE_I64);
|
|
t1 = tcg_temp_new(TCG_TYPE_I64);
|
|
gen_op_mov_TN_reg(OT_LONG, 1, R_EAX);
|
|
tcg_gen_extu_i32_i64(t0, cpu_T[0]);
|
|
tcg_gen_extu_i32_i64(t1, cpu_T[1]);
|
|
tcg_gen_mul_i64(t0, t0, t1);
|
|
tcg_gen_trunc_i64_i32(cpu_T[0], t0);
|
|
gen_op_mov_reg_T0(OT_LONG, R_EAX);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
|
tcg_gen_shri_i64(t0, t0, 32);
|
|
tcg_gen_trunc_i64_i32(cpu_T[0], t0);
|
|
gen_op_mov_reg_T0(OT_LONG, R_EDX);
|
|
tcg_gen_mov_tl(cpu_cc_src, cpu_T[0]);
|
|
}
|
|
#endif
|
|
s->cc_op = CC_OP_MULL;
|
|
break;
|
|
#ifdef TARGET_X86_64
|
|
case OT_QUAD:
|
|
tcg_gen_helper_0_1(helper_mulq_EAX_T0, cpu_T[0]);
|
|
s->cc_op = CC_OP_MULQ;
|
|
break;
|
|
#endif
|
|
}
|
|
break;
|
|
case 5: /* imul */
|
|
switch(ot) {
|
|
case OT_BYTE:
|
|
gen_op_mov_TN_reg(OT_BYTE, 1, R_EAX);
|
|
tcg_gen_ext8s_tl(cpu_T[0], cpu_T[0]);
|
|
tcg_gen_ext8s_tl(cpu_T[1], cpu_T[1]);
|
|
/* XXX: use 32 bit mul which could be faster */
|
|
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
|
|
gen_op_mov_reg_T0(OT_WORD, R_EAX);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
|
tcg_gen_ext8s_tl(cpu_tmp0, cpu_T[0]);
|
|
tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
|
|
s->cc_op = CC_OP_MULB;
|
|
break;
|
|
case OT_WORD:
|
|
gen_op_mov_TN_reg(OT_WORD, 1, R_EAX);
|
|
tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]);
|
|
tcg_gen_ext16s_tl(cpu_T[1], cpu_T[1]);
|
|
/* XXX: use 32 bit mul which could be faster */
|
|
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
|
|
gen_op_mov_reg_T0(OT_WORD, R_EAX);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
|
tcg_gen_ext16s_tl(cpu_tmp0, cpu_T[0]);
|
|
tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
|
|
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 16);
|
|
gen_op_mov_reg_T0(OT_WORD, R_EDX);
|
|
s->cc_op = CC_OP_MULW;
|
|
break;
|
|
default:
|
|
case OT_LONG:
|
|
#ifdef TARGET_X86_64
|
|
gen_op_mov_TN_reg(OT_LONG, 1, R_EAX);
|
|
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
|
|
tcg_gen_ext32s_tl(cpu_T[1], cpu_T[1]);
|
|
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
|
|
gen_op_mov_reg_T0(OT_LONG, R_EAX);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
|
tcg_gen_ext32s_tl(cpu_tmp0, cpu_T[0]);
|
|
tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
|
|
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 32);
|
|
gen_op_mov_reg_T0(OT_LONG, R_EDX);
|
|
#else
|
|
{
|
|
TCGv t0, t1;
|
|
t0 = tcg_temp_new(TCG_TYPE_I64);
|
|
t1 = tcg_temp_new(TCG_TYPE_I64);
|
|
gen_op_mov_TN_reg(OT_LONG, 1, R_EAX);
|
|
tcg_gen_ext_i32_i64(t0, cpu_T[0]);
|
|
tcg_gen_ext_i32_i64(t1, cpu_T[1]);
|
|
tcg_gen_mul_i64(t0, t0, t1);
|
|
tcg_gen_trunc_i64_i32(cpu_T[0], t0);
|
|
gen_op_mov_reg_T0(OT_LONG, R_EAX);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
|
tcg_gen_sari_tl(cpu_tmp0, cpu_T[0], 31);
|
|
tcg_gen_shri_i64(t0, t0, 32);
|
|
tcg_gen_trunc_i64_i32(cpu_T[0], t0);
|
|
gen_op_mov_reg_T0(OT_LONG, R_EDX);
|
|
tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
|
|
}
|
|
#endif
|
|
s->cc_op = CC_OP_MULL;
|
|
break;
|
|
#ifdef TARGET_X86_64
|
|
case OT_QUAD:
|
|
tcg_gen_helper_0_1(helper_imulq_EAX_T0, cpu_T[0]);
|
|
s->cc_op = CC_OP_MULQ;
|
|
break;
|
|
#endif
|
|
}
|
|
break;
|
|
case 6: /* div */
|
|
switch(ot) {
|
|
case OT_BYTE:
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_1(helper_divb_AL, cpu_T[0]);
|
|
break;
|
|
case OT_WORD:
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_1(helper_divw_AX, cpu_T[0]);
|
|
break;
|
|
default:
|
|
case OT_LONG:
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_1(helper_divl_EAX, cpu_T[0]);
|
|
break;
|
|
#ifdef TARGET_X86_64
|
|
case OT_QUAD:
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_1(helper_divq_EAX, cpu_T[0]);
|
|
break;
|
|
#endif
|
|
}
|
|
break;
|
|
case 7: /* idiv */
|
|
switch(ot) {
|
|
case OT_BYTE:
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_1(helper_idivb_AL, cpu_T[0]);
|
|
break;
|
|
case OT_WORD:
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_1(helper_idivw_AX, cpu_T[0]);
|
|
break;
|
|
default:
|
|
case OT_LONG:
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_1(helper_idivl_EAX, cpu_T[0]);
|
|
break;
|
|
#ifdef TARGET_X86_64
|
|
case OT_QUAD:
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_1(helper_idivq_EAX, cpu_T[0]);
|
|
break;
|
|
#endif
|
|
}
|
|
break;
|
|
default:
|
|
goto illegal_op;
|
|
}
|
|
break;
|
|
|
|
case 0xfe: /* GRP4 */
|
|
case 0xff: /* GRP5 */
|
|
if ((b & 1) == 0)
|
|
ot = OT_BYTE;
|
|
else
|
|
ot = dflag + OT_WORD;
|
|
|
|
modrm = ldub_code(s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
rm = (modrm & 7) | REX_B(s);
|
|
op = (modrm >> 3) & 7;
|
|
if (op >= 2 && b == 0xfe) {
|
|
goto illegal_op;
|
|
}
|
|
if (CODE64(s)) {
|
|
if (op == 2 || op == 4) {
|
|
/* operand size for jumps is 64 bit */
|
|
ot = OT_QUAD;
|
|
} else if (op == 3 || op == 5) {
|
|
/* for call calls, the operand is 16 or 32 bit, even
|
|
in long mode */
|
|
ot = dflag ? OT_LONG : OT_WORD;
|
|
} else if (op == 6) {
|
|
/* default push size is 64 bit */
|
|
ot = dflag ? OT_QUAD : OT_WORD;
|
|
}
|
|
}
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
if (op >= 2 && op != 3 && op != 5)
|
|
gen_op_ld_T0_A0(ot + s->mem_index);
|
|
} else {
|
|
gen_op_mov_TN_reg(ot, 0, rm);
|
|
}
|
|
|
|
switch(op) {
|
|
case 0: /* inc Ev */
|
|
if (mod != 3)
|
|
opreg = OR_TMP0;
|
|
else
|
|
opreg = rm;
|
|
gen_inc(s, ot, opreg, 1);
|
|
break;
|
|
case 1: /* dec Ev */
|
|
if (mod != 3)
|
|
opreg = OR_TMP0;
|
|
else
|
|
opreg = rm;
|
|
gen_inc(s, ot, opreg, -1);
|
|
break;
|
|
case 2: /* call Ev */
|
|
/* XXX: optimize if memory (no 'and' is necessary) */
|
|
if (s->dflag == 0)
|
|
gen_op_andl_T0_ffff();
|
|
next_eip = s->pc - s->cs_base;
|
|
gen_movtl_T1_im(next_eip);
|
|
gen_push_T1(s);
|
|
gen_op_jmp_T0();
|
|
gen_eob(s);
|
|
break;
|
|
case 3: /* lcall Ev */
|
|
gen_op_ld_T1_A0(ot + s->mem_index);
|
|
gen_add_A0_im(s, 1 << (ot - OT_WORD + 1));
|
|
gen_op_ldu_T0_A0(OT_WORD + s->mem_index);
|
|
do_lcall:
|
|
if (s->pe && !s->vm86) {
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
|
tcg_gen_helper_0_4(helper_lcall_protected,
|
|
cpu_tmp2_i32, cpu_T[1],
|
|
tcg_const_i32(dflag),
|
|
tcg_const_i32(s->pc - pc_start));
|
|
} else {
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
|
tcg_gen_helper_0_4(helper_lcall_real,
|
|
cpu_tmp2_i32, cpu_T[1],
|
|
tcg_const_i32(dflag),
|
|
tcg_const_i32(s->pc - s->cs_base));
|
|
}
|
|
gen_eob(s);
|
|
break;
|
|
case 4: /* jmp Ev */
|
|
if (s->dflag == 0)
|
|
gen_op_andl_T0_ffff();
|
|
gen_op_jmp_T0();
|
|
gen_eob(s);
|
|
break;
|
|
case 5: /* ljmp Ev */
|
|
gen_op_ld_T1_A0(ot + s->mem_index);
|
|
gen_add_A0_im(s, 1 << (ot - OT_WORD + 1));
|
|
gen_op_ldu_T0_A0(OT_WORD + s->mem_index);
|
|
do_ljmp:
|
|
if (s->pe && !s->vm86) {
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
|
tcg_gen_helper_0_3(helper_ljmp_protected,
|
|
cpu_tmp2_i32,
|
|
cpu_T[1],
|
|
tcg_const_i32(s->pc - pc_start));
|
|
} else {
|
|
gen_op_movl_seg_T0_vm(R_CS);
|
|
gen_op_movl_T0_T1();
|
|
gen_op_jmp_T0();
|
|
}
|
|
gen_eob(s);
|
|
break;
|
|
case 6: /* push Ev */
|
|
gen_push_T0(s);
|
|
break;
|
|
default:
|
|
goto illegal_op;
|
|
}
|
|
break;
|
|
|
|
case 0x84: /* test Ev, Gv */
|
|
case 0x85:
|
|
if ((b & 1) == 0)
|
|
ot = OT_BYTE;
|
|
else
|
|
ot = dflag + OT_WORD;
|
|
|
|
modrm = ldub_code(s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
rm = (modrm & 7) | REX_B(s);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
|
|
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
|
|
gen_op_mov_TN_reg(ot, 1, reg);
|
|
gen_op_testl_T0_T1_cc();
|
|
s->cc_op = CC_OP_LOGICB + ot;
|
|
break;
|
|
|
|
case 0xa8: /* test eAX, Iv */
|
|
case 0xa9:
|
|
if ((b & 1) == 0)
|
|
ot = OT_BYTE;
|
|
else
|
|
ot = dflag + OT_WORD;
|
|
val = insn_get(s, ot);
|
|
|
|
gen_op_mov_TN_reg(ot, 0, OR_EAX);
|
|
gen_op_movl_T1_im(val);
|
|
gen_op_testl_T0_T1_cc();
|
|
s->cc_op = CC_OP_LOGICB + ot;
|
|
break;
|
|
|
|
case 0x98: /* CWDE/CBW */
|
|
#ifdef TARGET_X86_64
|
|
if (dflag == 2) {
|
|
gen_op_mov_TN_reg(OT_LONG, 0, R_EAX);
|
|
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
|
|
gen_op_mov_reg_T0(OT_QUAD, R_EAX);
|
|
} else
|
|
#endif
|
|
if (dflag == 1) {
|
|
gen_op_mov_TN_reg(OT_WORD, 0, R_EAX);
|
|
tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]);
|
|
gen_op_mov_reg_T0(OT_LONG, R_EAX);
|
|
} else {
|
|
gen_op_mov_TN_reg(OT_BYTE, 0, R_EAX);
|
|
tcg_gen_ext8s_tl(cpu_T[0], cpu_T[0]);
|
|
gen_op_mov_reg_T0(OT_WORD, R_EAX);
|
|
}
|
|
break;
|
|
case 0x99: /* CDQ/CWD */
|
|
#ifdef TARGET_X86_64
|
|
if (dflag == 2) {
|
|
gen_op_mov_TN_reg(OT_QUAD, 0, R_EAX);
|
|
tcg_gen_sari_tl(cpu_T[0], cpu_T[0], 63);
|
|
gen_op_mov_reg_T0(OT_QUAD, R_EDX);
|
|
} else
|
|
#endif
|
|
if (dflag == 1) {
|
|
gen_op_mov_TN_reg(OT_LONG, 0, R_EAX);
|
|
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
|
|
tcg_gen_sari_tl(cpu_T[0], cpu_T[0], 31);
|
|
gen_op_mov_reg_T0(OT_LONG, R_EDX);
|
|
} else {
|
|
gen_op_mov_TN_reg(OT_WORD, 0, R_EAX);
|
|
tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]);
|
|
tcg_gen_sari_tl(cpu_T[0], cpu_T[0], 15);
|
|
gen_op_mov_reg_T0(OT_WORD, R_EDX);
|
|
}
|
|
break;
|
|
case 0x1af: /* imul Gv, Ev */
|
|
case 0x69: /* imul Gv, Ev, I */
|
|
case 0x6b:
|
|
ot = dflag + OT_WORD;
|
|
modrm = ldub_code(s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
if (b == 0x69)
|
|
s->rip_offset = insn_const_size(ot);
|
|
else if (b == 0x6b)
|
|
s->rip_offset = 1;
|
|
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
|
|
if (b == 0x69) {
|
|
val = insn_get(s, ot);
|
|
gen_op_movl_T1_im(val);
|
|
} else if (b == 0x6b) {
|
|
val = (int8_t)insn_get(s, OT_BYTE);
|
|
gen_op_movl_T1_im(val);
|
|
} else {
|
|
gen_op_mov_TN_reg(ot, 1, reg);
|
|
}
|
|
|
|
#ifdef TARGET_X86_64
|
|
if (ot == OT_QUAD) {
|
|
tcg_gen_helper_1_2(helper_imulq_T0_T1, cpu_T[0], cpu_T[0], cpu_T[1]);
|
|
} else
|
|
#endif
|
|
if (ot == OT_LONG) {
|
|
#ifdef TARGET_X86_64
|
|
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
|
|
tcg_gen_ext32s_tl(cpu_T[1], cpu_T[1]);
|
|
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
|
tcg_gen_ext32s_tl(cpu_tmp0, cpu_T[0]);
|
|
tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
|
|
#else
|
|
{
|
|
TCGv t0, t1;
|
|
t0 = tcg_temp_new(TCG_TYPE_I64);
|
|
t1 = tcg_temp_new(TCG_TYPE_I64);
|
|
tcg_gen_ext_i32_i64(t0, cpu_T[0]);
|
|
tcg_gen_ext_i32_i64(t1, cpu_T[1]);
|
|
tcg_gen_mul_i64(t0, t0, t1);
|
|
tcg_gen_trunc_i64_i32(cpu_T[0], t0);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
|
tcg_gen_sari_tl(cpu_tmp0, cpu_T[0], 31);
|
|
tcg_gen_shri_i64(t0, t0, 32);
|
|
tcg_gen_trunc_i64_i32(cpu_T[1], t0);
|
|
tcg_gen_sub_tl(cpu_cc_src, cpu_T[1], cpu_tmp0);
|
|
}
|
|
#endif
|
|
} else {
|
|
tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]);
|
|
tcg_gen_ext16s_tl(cpu_T[1], cpu_T[1]);
|
|
/* XXX: use 32 bit mul which could be faster */
|
|
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
|
tcg_gen_ext16s_tl(cpu_tmp0, cpu_T[0]);
|
|
tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
|
|
}
|
|
gen_op_mov_reg_T0(ot, reg);
|
|
s->cc_op = CC_OP_MULB + ot;
|
|
break;
|
|
case 0x1c0:
|
|
case 0x1c1: /* xadd Ev, Gv */
|
|
if ((b & 1) == 0)
|
|
ot = OT_BYTE;
|
|
else
|
|
ot = dflag + OT_WORD;
|
|
modrm = ldub_code(s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
mod = (modrm >> 6) & 3;
|
|
if (mod == 3) {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_mov_TN_reg(ot, 0, reg);
|
|
gen_op_mov_TN_reg(ot, 1, rm);
|
|
gen_op_addl_T0_T1();
|
|
gen_op_mov_reg_T1(ot, reg);
|
|
gen_op_mov_reg_T0(ot, rm);
|
|
} else {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_op_mov_TN_reg(ot, 0, reg);
|
|
gen_op_ld_T1_A0(ot + s->mem_index);
|
|
gen_op_addl_T0_T1();
|
|
gen_op_st_T0_A0(ot + s->mem_index);
|
|
gen_op_mov_reg_T1(ot, reg);
|
|
}
|
|
gen_op_update2_cc();
|
|
s->cc_op = CC_OP_ADDB + ot;
|
|
break;
|
|
case 0x1b0:
|
|
case 0x1b1: /* cmpxchg Ev, Gv */
|
|
{
|
|
int label1, label2;
|
|
TCGv t0, t1, t2, a0;
|
|
|
|
if ((b & 1) == 0)
|
|
ot = OT_BYTE;
|
|
else
|
|
ot = dflag + OT_WORD;
|
|
modrm = ldub_code(s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
mod = (modrm >> 6) & 3;
|
|
t0 = tcg_temp_local_new(TCG_TYPE_TL);
|
|
t1 = tcg_temp_local_new(TCG_TYPE_TL);
|
|
t2 = tcg_temp_local_new(TCG_TYPE_TL);
|
|
a0 = tcg_temp_local_new(TCG_TYPE_TL);
|
|
gen_op_mov_v_reg(ot, t1, reg);
|
|
if (mod == 3) {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_mov_v_reg(ot, t0, rm);
|
|
} else {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
tcg_gen_mov_tl(a0, cpu_A0);
|
|
gen_op_ld_v(ot + s->mem_index, t0, a0);
|
|
rm = 0; /* avoid warning */
|
|
}
|
|
label1 = gen_new_label();
|
|
tcg_gen_ld_tl(t2, cpu_env, offsetof(CPUState, regs[R_EAX]));
|
|
tcg_gen_sub_tl(t2, t2, t0);
|
|
gen_extu(ot, t2);
|
|
tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, label1);
|
|
if (mod == 3) {
|
|
label2 = gen_new_label();
|
|
gen_op_mov_reg_v(ot, R_EAX, t0);
|
|
tcg_gen_br(label2);
|
|
gen_set_label(label1);
|
|
gen_op_mov_reg_v(ot, rm, t1);
|
|
gen_set_label(label2);
|
|
} else {
|
|
tcg_gen_mov_tl(t1, t0);
|
|
gen_op_mov_reg_v(ot, R_EAX, t0);
|
|
gen_set_label(label1);
|
|
/* always store */
|
|
gen_op_st_v(ot + s->mem_index, t1, a0);
|
|
}
|
|
tcg_gen_mov_tl(cpu_cc_src, t0);
|
|
tcg_gen_mov_tl(cpu_cc_dst, t2);
|
|
s->cc_op = CC_OP_SUBB + ot;
|
|
tcg_temp_free(t0);
|
|
tcg_temp_free(t1);
|
|
tcg_temp_free(t2);
|
|
tcg_temp_free(a0);
|
|
}
|
|
break;
|
|
case 0x1c7: /* cmpxchg8b */
|
|
modrm = ldub_code(s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
if ((mod == 3) || ((modrm & 0x38) != 0x8))
|
|
goto illegal_op;
|
|
#ifdef TARGET_X86_64
|
|
if (dflag == 2) {
|
|
if (!(s->cpuid_ext_features & CPUID_EXT_CX16))
|
|
goto illegal_op;
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
tcg_gen_helper_0_1(helper_cmpxchg16b, cpu_A0);
|
|
} else
|
|
#endif
|
|
{
|
|
if (!(s->cpuid_features & CPUID_CX8))
|
|
goto illegal_op;
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
tcg_gen_helper_0_1(helper_cmpxchg8b, cpu_A0);
|
|
}
|
|
s->cc_op = CC_OP_EFLAGS;
|
|
break;
|
|
|
|
/**************************/
|
|
/* push/pop */
|
|
case 0x50 ... 0x57: /* push */
|
|
gen_op_mov_TN_reg(OT_LONG, 0, (b & 7) | REX_B(s));
|
|
gen_push_T0(s);
|
|
break;
|
|
case 0x58 ... 0x5f: /* pop */
|
|
if (CODE64(s)) {
|
|
ot = dflag ? OT_QUAD : OT_WORD;
|
|
} else {
|
|
ot = dflag + OT_WORD;
|
|
}
|
|
gen_pop_T0(s);
|
|
/* NOTE: order is important for pop %sp */
|
|
gen_pop_update(s);
|
|
gen_op_mov_reg_T0(ot, (b & 7) | REX_B(s));
|
|
break;
|
|
case 0x60: /* pusha */
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
gen_pusha(s);
|
|
break;
|
|
case 0x61: /* popa */
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
gen_popa(s);
|
|
break;
|
|
case 0x68: /* push Iv */
|
|
case 0x6a:
|
|
if (CODE64(s)) {
|
|
ot = dflag ? OT_QUAD : OT_WORD;
|
|
} else {
|
|
ot = dflag + OT_WORD;
|
|
}
|
|
if (b == 0x68)
|
|
val = insn_get(s, ot);
|
|
else
|
|
val = (int8_t)insn_get(s, OT_BYTE);
|
|
gen_op_movl_T0_im(val);
|
|
gen_push_T0(s);
|
|
break;
|
|
case 0x8f: /* pop Ev */
|
|
if (CODE64(s)) {
|
|
ot = dflag ? OT_QUAD : OT_WORD;
|
|
} else {
|
|
ot = dflag + OT_WORD;
|
|
}
|
|
modrm = ldub_code(s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
gen_pop_T0(s);
|
|
if (mod == 3) {
|
|
/* NOTE: order is important for pop %sp */
|
|
gen_pop_update(s);
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_mov_reg_T0(ot, rm);
|
|
} else {
|
|
/* NOTE: order is important too for MMU exceptions */
|
|
s->popl_esp_hack = 1 << ot;
|
|
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1);
|
|
s->popl_esp_hack = 0;
|
|
gen_pop_update(s);
|
|
}
|
|
break;
|
|
case 0xc8: /* enter */
|
|
{
|
|
int level;
|
|
val = lduw_code(s->pc);
|
|
s->pc += 2;
|
|
level = ldub_code(s->pc++);
|
|
gen_enter(s, val, level);
|
|
}
|
|
break;
|
|
case 0xc9: /* leave */
|
|
/* XXX: exception not precise (ESP is updated before potential exception) */
|
|
if (CODE64(s)) {
|
|
gen_op_mov_TN_reg(OT_QUAD, 0, R_EBP);
|
|
gen_op_mov_reg_T0(OT_QUAD, R_ESP);
|
|
} else if (s->ss32) {
|
|
gen_op_mov_TN_reg(OT_LONG, 0, R_EBP);
|
|
gen_op_mov_reg_T0(OT_LONG, R_ESP);
|
|
} else {
|
|
gen_op_mov_TN_reg(OT_WORD, 0, R_EBP);
|
|
gen_op_mov_reg_T0(OT_WORD, R_ESP);
|
|
}
|
|
gen_pop_T0(s);
|
|
if (CODE64(s)) {
|
|
ot = dflag ? OT_QUAD : OT_WORD;
|
|
} else {
|
|
ot = dflag + OT_WORD;
|
|
}
|
|
gen_op_mov_reg_T0(ot, R_EBP);
|
|
gen_pop_update(s);
|
|
break;
|
|
case 0x06: /* push es */
|
|
case 0x0e: /* push cs */
|
|
case 0x16: /* push ss */
|
|
case 0x1e: /* push ds */
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
gen_op_movl_T0_seg(b >> 3);
|
|
gen_push_T0(s);
|
|
break;
|
|
case 0x1a0: /* push fs */
|
|
case 0x1a8: /* push gs */
|
|
gen_op_movl_T0_seg((b >> 3) & 7);
|
|
gen_push_T0(s);
|
|
break;
|
|
case 0x07: /* pop es */
|
|
case 0x17: /* pop ss */
|
|
case 0x1f: /* pop ds */
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
reg = b >> 3;
|
|
gen_pop_T0(s);
|
|
gen_movl_seg_T0(s, reg, pc_start - s->cs_base);
|
|
gen_pop_update(s);
|
|
if (reg == R_SS) {
|
|
/* if reg == SS, inhibit interrupts/trace. */
|
|
/* If several instructions disable interrupts, only the
|
|
_first_ does it */
|
|
if (!(s->tb->flags & HF_INHIBIT_IRQ_MASK))
|
|
tcg_gen_helper_0_0(helper_set_inhibit_irq);
|
|
s->tf = 0;
|
|
}
|
|
if (s->is_jmp) {
|
|
gen_jmp_im(s->pc - s->cs_base);
|
|
gen_eob(s);
|
|
}
|
|
break;
|
|
case 0x1a1: /* pop fs */
|
|
case 0x1a9: /* pop gs */
|
|
gen_pop_T0(s);
|
|
gen_movl_seg_T0(s, (b >> 3) & 7, pc_start - s->cs_base);
|
|
gen_pop_update(s);
|
|
if (s->is_jmp) {
|
|
gen_jmp_im(s->pc - s->cs_base);
|
|
gen_eob(s);
|
|
}
|
|
break;
|
|
|
|
/**************************/
|
|
/* mov */
|
|
case 0x88:
|
|
case 0x89: /* mov Gv, Ev */
|
|
if ((b & 1) == 0)
|
|
ot = OT_BYTE;
|
|
else
|
|
ot = dflag + OT_WORD;
|
|
modrm = ldub_code(s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
|
|
/* generate a generic store */
|
|
gen_ldst_modrm(s, modrm, ot, reg, 1);
|
|
break;
|
|
case 0xc6:
|
|
case 0xc7: /* mov Ev, Iv */
|
|
if ((b & 1) == 0)
|
|
ot = OT_BYTE;
|
|
else
|
|
ot = dflag + OT_WORD;
|
|
modrm = ldub_code(s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
if (mod != 3) {
|
|
s->rip_offset = insn_const_size(ot);
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
}
|
|
val = insn_get(s, ot);
|
|
gen_op_movl_T0_im(val);
|
|
if (mod != 3)
|
|
gen_op_st_T0_A0(ot + s->mem_index);
|
|
else
|
|
gen_op_mov_reg_T0(ot, (modrm & 7) | REX_B(s));
|
|
break;
|
|
case 0x8a:
|
|
case 0x8b: /* mov Ev, Gv */
|
|
if ((b & 1) == 0)
|
|
ot = OT_BYTE;
|
|
else
|
|
ot = OT_WORD + dflag;
|
|
modrm = ldub_code(s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
|
|
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
|
|
gen_op_mov_reg_T0(ot, reg);
|
|
break;
|
|
case 0x8e: /* mov seg, Gv */
|
|
modrm = ldub_code(s->pc++);
|
|
reg = (modrm >> 3) & 7;
|
|
if (reg >= 6 || reg == R_CS)
|
|
goto illegal_op;
|
|
gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
|
|
gen_movl_seg_T0(s, reg, pc_start - s->cs_base);
|
|
if (reg == R_SS) {
|
|
/* if reg == SS, inhibit interrupts/trace */
|
|
/* If several instructions disable interrupts, only the
|
|
_first_ does it */
|
|
if (!(s->tb->flags & HF_INHIBIT_IRQ_MASK))
|
|
tcg_gen_helper_0_0(helper_set_inhibit_irq);
|
|
s->tf = 0;
|
|
}
|
|
if (s->is_jmp) {
|
|
gen_jmp_im(s->pc - s->cs_base);
|
|
gen_eob(s);
|
|
}
|
|
break;
|
|
case 0x8c: /* mov Gv, seg */
|
|
modrm = ldub_code(s->pc++);
|
|
reg = (modrm >> 3) & 7;
|
|
mod = (modrm >> 6) & 3;
|
|
if (reg >= 6)
|
|
goto illegal_op;
|
|
gen_op_movl_T0_seg(reg);
|
|
if (mod == 3)
|
|
ot = OT_WORD + dflag;
|
|
else
|
|
ot = OT_WORD;
|
|
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1);
|
|
break;
|
|
|
|
case 0x1b6: /* movzbS Gv, Eb */
|
|
case 0x1b7: /* movzwS Gv, Eb */
|
|
case 0x1be: /* movsbS Gv, Eb */
|
|
case 0x1bf: /* movswS Gv, Eb */
|
|
{
|
|
int d_ot;
|
|
/* d_ot is the size of destination */
|
|
d_ot = dflag + OT_WORD;
|
|
/* ot is the size of source */
|
|
ot = (b & 1) + OT_BYTE;
|
|
modrm = ldub_code(s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
mod = (modrm >> 6) & 3;
|
|
rm = (modrm & 7) | REX_B(s);
|
|
|
|
if (mod == 3) {
|
|
gen_op_mov_TN_reg(ot, 0, rm);
|
|
switch(ot | (b & 8)) {
|
|
case OT_BYTE:
|
|
tcg_gen_ext8u_tl(cpu_T[0], cpu_T[0]);
|
|
break;
|
|
case OT_BYTE | 8:
|
|
tcg_gen_ext8s_tl(cpu_T[0], cpu_T[0]);
|
|
break;
|
|
case OT_WORD:
|
|
tcg_gen_ext16u_tl(cpu_T[0], cpu_T[0]);
|
|
break;
|
|
default:
|
|
case OT_WORD | 8:
|
|
tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]);
|
|
break;
|
|
}
|
|
gen_op_mov_reg_T0(d_ot, reg);
|
|
} else {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
if (b & 8) {
|
|
gen_op_lds_T0_A0(ot + s->mem_index);
|
|
} else {
|
|
gen_op_ldu_T0_A0(ot + s->mem_index);
|
|
}
|
|
gen_op_mov_reg_T0(d_ot, reg);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 0x8d: /* lea */
|
|
ot = dflag + OT_WORD;
|
|
modrm = ldub_code(s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
if (mod == 3)
|
|
goto illegal_op;
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
/* we must ensure that no segment is added */
|
|
s->override = -1;
|
|
val = s->addseg;
|
|
s->addseg = 0;
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
s->addseg = val;
|
|
gen_op_mov_reg_A0(ot - OT_WORD, reg);
|
|
break;
|
|
|
|
case 0xa0: /* mov EAX, Ov */
|
|
case 0xa1:
|
|
case 0xa2: /* mov Ov, EAX */
|
|
case 0xa3:
|
|
{
|
|
target_ulong offset_addr;
|
|
|
|
if ((b & 1) == 0)
|
|
ot = OT_BYTE;
|
|
else
|
|
ot = dflag + OT_WORD;
|
|
#ifdef TARGET_X86_64
|
|
if (s->aflag == 2) {
|
|
offset_addr = ldq_code(s->pc);
|
|
s->pc += 8;
|
|
gen_op_movq_A0_im(offset_addr);
|
|
} else
|
|
#endif
|
|
{
|
|
if (s->aflag) {
|
|
offset_addr = insn_get(s, OT_LONG);
|
|
} else {
|
|
offset_addr = insn_get(s, OT_WORD);
|
|
}
|
|
gen_op_movl_A0_im(offset_addr);
|
|
}
|
|
gen_add_A0_ds_seg(s);
|
|
if ((b & 2) == 0) {
|
|
gen_op_ld_T0_A0(ot + s->mem_index);
|
|
gen_op_mov_reg_T0(ot, R_EAX);
|
|
} else {
|
|
gen_op_mov_TN_reg(ot, 0, R_EAX);
|
|
gen_op_st_T0_A0(ot + s->mem_index);
|
|
}
|
|
}
|
|
break;
|
|
case 0xd7: /* xlat */
|
|
#ifdef TARGET_X86_64
|
|
if (s->aflag == 2) {
|
|
gen_op_movq_A0_reg(R_EBX);
|
|
gen_op_mov_TN_reg(OT_QUAD, 0, R_EAX);
|
|
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xff);
|
|
tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_T[0]);
|
|
} else
|
|
#endif
|
|
{
|
|
gen_op_movl_A0_reg(R_EBX);
|
|
gen_op_mov_TN_reg(OT_LONG, 0, R_EAX);
|
|
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xff);
|
|
tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_T[0]);
|
|
if (s->aflag == 0)
|
|
gen_op_andl_A0_ffff();
|
|
else
|
|
tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffffffff);
|
|
}
|
|
gen_add_A0_ds_seg(s);
|
|
gen_op_ldu_T0_A0(OT_BYTE + s->mem_index);
|
|
gen_op_mov_reg_T0(OT_BYTE, R_EAX);
|
|
break;
|
|
case 0xb0 ... 0xb7: /* mov R, Ib */
|
|
val = insn_get(s, OT_BYTE);
|
|
gen_op_movl_T0_im(val);
|
|
gen_op_mov_reg_T0(OT_BYTE, (b & 7) | REX_B(s));
|
|
break;
|
|
case 0xb8 ... 0xbf: /* mov R, Iv */
|
|
#ifdef TARGET_X86_64
|
|
if (dflag == 2) {
|
|
uint64_t tmp;
|
|
/* 64 bit case */
|
|
tmp = ldq_code(s->pc);
|
|
s->pc += 8;
|
|
reg = (b & 7) | REX_B(s);
|
|
gen_movtl_T0_im(tmp);
|
|
gen_op_mov_reg_T0(OT_QUAD, reg);
|
|
} else
|
|
#endif
|
|
{
|
|
ot = dflag ? OT_LONG : OT_WORD;
|
|
val = insn_get(s, ot);
|
|
reg = (b & 7) | REX_B(s);
|
|
gen_op_movl_T0_im(val);
|
|
gen_op_mov_reg_T0(ot, reg);
|
|
}
|
|
break;
|
|
|
|
case 0x91 ... 0x97: /* xchg R, EAX */
|
|
ot = dflag + OT_WORD;
|
|
reg = (b & 7) | REX_B(s);
|
|
rm = R_EAX;
|
|
goto do_xchg_reg;
|
|
case 0x86:
|
|
case 0x87: /* xchg Ev, Gv */
|
|
if ((b & 1) == 0)
|
|
ot = OT_BYTE;
|
|
else
|
|
ot = dflag + OT_WORD;
|
|
modrm = ldub_code(s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
mod = (modrm >> 6) & 3;
|
|
if (mod == 3) {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
do_xchg_reg:
|
|
gen_op_mov_TN_reg(ot, 0, reg);
|
|
gen_op_mov_TN_reg(ot, 1, rm);
|
|
gen_op_mov_reg_T0(ot, rm);
|
|
gen_op_mov_reg_T1(ot, reg);
|
|
} else {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_op_mov_TN_reg(ot, 0, reg);
|
|
/* for xchg, lock is implicit */
|
|
if (!(prefixes & PREFIX_LOCK))
|
|
tcg_gen_helper_0_0(helper_lock);
|
|
gen_op_ld_T1_A0(ot + s->mem_index);
|
|
gen_op_st_T0_A0(ot + s->mem_index);
|
|
if (!(prefixes & PREFIX_LOCK))
|
|
tcg_gen_helper_0_0(helper_unlock);
|
|
gen_op_mov_reg_T1(ot, reg);
|
|
}
|
|
break;
|
|
case 0xc4: /* les Gv */
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
op = R_ES;
|
|
goto do_lxx;
|
|
case 0xc5: /* lds Gv */
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
op = R_DS;
|
|
goto do_lxx;
|
|
case 0x1b2: /* lss Gv */
|
|
op = R_SS;
|
|
goto do_lxx;
|
|
case 0x1b4: /* lfs Gv */
|
|
op = R_FS;
|
|
goto do_lxx;
|
|
case 0x1b5: /* lgs Gv */
|
|
op = R_GS;
|
|
do_lxx:
|
|
ot = dflag ? OT_LONG : OT_WORD;
|
|
modrm = ldub_code(s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
mod = (modrm >> 6) & 3;
|
|
if (mod == 3)
|
|
goto illegal_op;
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_op_ld_T1_A0(ot + s->mem_index);
|
|
gen_add_A0_im(s, 1 << (ot - OT_WORD + 1));
|
|
/* load the segment first to handle exceptions properly */
|
|
gen_op_ldu_T0_A0(OT_WORD + s->mem_index);
|
|
gen_movl_seg_T0(s, op, pc_start - s->cs_base);
|
|
/* then put the data */
|
|
gen_op_mov_reg_T1(ot, reg);
|
|
if (s->is_jmp) {
|
|
gen_jmp_im(s->pc - s->cs_base);
|
|
gen_eob(s);
|
|
}
|
|
break;
|
|
|
|
/************************/
|
|
/* shifts */
|
|
case 0xc0:
|
|
case 0xc1:
|
|
/* shift Ev,Ib */
|
|
shift = 2;
|
|
grp2:
|
|
{
|
|
if ((b & 1) == 0)
|
|
ot = OT_BYTE;
|
|
else
|
|
ot = dflag + OT_WORD;
|
|
|
|
modrm = ldub_code(s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
op = (modrm >> 3) & 7;
|
|
|
|
if (mod != 3) {
|
|
if (shift == 2) {
|
|
s->rip_offset = 1;
|
|
}
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
opreg = OR_TMP0;
|
|
} else {
|
|
opreg = (modrm & 7) | REX_B(s);
|
|
}
|
|
|
|
/* simpler op */
|
|
if (shift == 0) {
|
|
gen_shift(s, op, ot, opreg, OR_ECX);
|
|
} else {
|
|
if (shift == 2) {
|
|
shift = ldub_code(s->pc++);
|
|
}
|
|
gen_shifti(s, op, ot, opreg, shift);
|
|
}
|
|
}
|
|
break;
|
|
case 0xd0:
|
|
case 0xd1:
|
|
/* shift Ev,1 */
|
|
shift = 1;
|
|
goto grp2;
|
|
case 0xd2:
|
|
case 0xd3:
|
|
/* shift Ev,cl */
|
|
shift = 0;
|
|
goto grp2;
|
|
|
|
case 0x1a4: /* shld imm */
|
|
op = 0;
|
|
shift = 1;
|
|
goto do_shiftd;
|
|
case 0x1a5: /* shld cl */
|
|
op = 0;
|
|
shift = 0;
|
|
goto do_shiftd;
|
|
case 0x1ac: /* shrd imm */
|
|
op = 1;
|
|
shift = 1;
|
|
goto do_shiftd;
|
|
case 0x1ad: /* shrd cl */
|
|
op = 1;
|
|
shift = 0;
|
|
do_shiftd:
|
|
ot = dflag + OT_WORD;
|
|
modrm = ldub_code(s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
rm = (modrm & 7) | REX_B(s);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
opreg = OR_TMP0;
|
|
} else {
|
|
opreg = rm;
|
|
}
|
|
gen_op_mov_TN_reg(ot, 1, reg);
|
|
|
|
if (shift) {
|
|
val = ldub_code(s->pc++);
|
|
tcg_gen_movi_tl(cpu_T3, val);
|
|
} else {
|
|
tcg_gen_ld_tl(cpu_T3, cpu_env, offsetof(CPUState, regs[R_ECX]));
|
|
}
|
|
gen_shiftd_rm_T1_T3(s, ot, opreg, op);
|
|
break;
|
|
|
|
/************************/
|
|
/* floats */
|
|
case 0xd8 ... 0xdf:
|
|
if (s->flags & (HF_EM_MASK | HF_TS_MASK)) {
|
|
/* if CR0.EM or CR0.TS are set, generate an FPU exception */
|
|
/* XXX: what to do if illegal op ? */
|
|
gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
|
|
break;
|
|
}
|
|
modrm = ldub_code(s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
rm = modrm & 7;
|
|
op = ((b & 7) << 3) | ((modrm >> 3) & 7);
|
|
if (mod != 3) {
|
|
/* memory op */
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
switch(op) {
|
|
case 0x00 ... 0x07: /* fxxxs */
|
|
case 0x10 ... 0x17: /* fixxxl */
|
|
case 0x20 ... 0x27: /* fxxxl */
|
|
case 0x30 ... 0x37: /* fixxx */
|
|
{
|
|
int op1;
|
|
op1 = op & 7;
|
|
|
|
switch(op >> 4) {
|
|
case 0:
|
|
gen_op_ld_T0_A0(OT_LONG + s->mem_index);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
|
tcg_gen_helper_0_1(helper_flds_FT0, cpu_tmp2_i32);
|
|
break;
|
|
case 1:
|
|
gen_op_ld_T0_A0(OT_LONG + s->mem_index);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
|
tcg_gen_helper_0_1(helper_fildl_FT0, cpu_tmp2_i32);
|
|
break;
|
|
case 2:
|
|
tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0,
|
|
(s->mem_index >> 2) - 1);
|
|
tcg_gen_helper_0_1(helper_fldl_FT0, cpu_tmp1_i64);
|
|
break;
|
|
case 3:
|
|
default:
|
|
gen_op_lds_T0_A0(OT_WORD + s->mem_index);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
|
tcg_gen_helper_0_1(helper_fildl_FT0, cpu_tmp2_i32);
|
|
break;
|
|
}
|
|
|
|
tcg_gen_helper_0_0(helper_fp_arith_ST0_FT0[op1]);
|
|
if (op1 == 3) {
|
|
/* fcomp needs pop */
|
|
tcg_gen_helper_0_0(helper_fpop);
|
|
}
|
|
}
|
|
break;
|
|
case 0x08: /* flds */
|
|
case 0x0a: /* fsts */
|
|
case 0x0b: /* fstps */
|
|
case 0x18 ... 0x1b: /* fildl, fisttpl, fistl, fistpl */
|
|
case 0x28 ... 0x2b: /* fldl, fisttpll, fstl, fstpl */
|
|
case 0x38 ... 0x3b: /* filds, fisttps, fists, fistps */
|
|
switch(op & 7) {
|
|
case 0:
|
|
switch(op >> 4) {
|
|
case 0:
|
|
gen_op_ld_T0_A0(OT_LONG + s->mem_index);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
|
tcg_gen_helper_0_1(helper_flds_ST0, cpu_tmp2_i32);
|
|
break;
|
|
case 1:
|
|
gen_op_ld_T0_A0(OT_LONG + s->mem_index);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
|
tcg_gen_helper_0_1(helper_fildl_ST0, cpu_tmp2_i32);
|
|
break;
|
|
case 2:
|
|
tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0,
|
|
(s->mem_index >> 2) - 1);
|
|
tcg_gen_helper_0_1(helper_fldl_ST0, cpu_tmp1_i64);
|
|
break;
|
|
case 3:
|
|
default:
|
|
gen_op_lds_T0_A0(OT_WORD + s->mem_index);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
|
tcg_gen_helper_0_1(helper_fildl_ST0, cpu_tmp2_i32);
|
|
break;
|
|
}
|
|
break;
|
|
case 1:
|
|
/* XXX: the corresponding CPUID bit must be tested ! */
|
|
switch(op >> 4) {
|
|
case 1:
|
|
tcg_gen_helper_1_0(helper_fisttl_ST0, cpu_tmp2_i32);
|
|
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
|
gen_op_st_T0_A0(OT_LONG + s->mem_index);
|
|
break;
|
|
case 2:
|
|
tcg_gen_helper_1_0(helper_fisttll_ST0, cpu_tmp1_i64);
|
|
tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0,
|
|
(s->mem_index >> 2) - 1);
|
|
break;
|
|
case 3:
|
|
default:
|
|
tcg_gen_helper_1_0(helper_fistt_ST0, cpu_tmp2_i32);
|
|
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
|
gen_op_st_T0_A0(OT_WORD + s->mem_index);
|
|
break;
|
|
}
|
|
tcg_gen_helper_0_0(helper_fpop);
|
|
break;
|
|
default:
|
|
switch(op >> 4) {
|
|
case 0:
|
|
tcg_gen_helper_1_0(helper_fsts_ST0, cpu_tmp2_i32);
|
|
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
|
gen_op_st_T0_A0(OT_LONG + s->mem_index);
|
|
break;
|
|
case 1:
|
|
tcg_gen_helper_1_0(helper_fistl_ST0, cpu_tmp2_i32);
|
|
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
|
gen_op_st_T0_A0(OT_LONG + s->mem_index);
|
|
break;
|
|
case 2:
|
|
tcg_gen_helper_1_0(helper_fstl_ST0, cpu_tmp1_i64);
|
|
tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0,
|
|
(s->mem_index >> 2) - 1);
|
|
break;
|
|
case 3:
|
|
default:
|
|
tcg_gen_helper_1_0(helper_fist_ST0, cpu_tmp2_i32);
|
|
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
|
gen_op_st_T0_A0(OT_WORD + s->mem_index);
|
|
break;
|
|
}
|
|
if ((op & 7) == 3)
|
|
tcg_gen_helper_0_0(helper_fpop);
|
|
break;
|
|
}
|
|
break;
|
|
case 0x0c: /* fldenv mem */
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_2(helper_fldenv,
|
|
cpu_A0, tcg_const_i32(s->dflag));
|
|
break;
|
|
case 0x0d: /* fldcw mem */
|
|
gen_op_ld_T0_A0(OT_WORD + s->mem_index);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
|
tcg_gen_helper_0_1(helper_fldcw, cpu_tmp2_i32);
|
|
break;
|
|
case 0x0e: /* fnstenv mem */
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_2(helper_fstenv,
|
|
cpu_A0, tcg_const_i32(s->dflag));
|
|
break;
|
|
case 0x0f: /* fnstcw mem */
|
|
tcg_gen_helper_1_0(helper_fnstcw, cpu_tmp2_i32);
|
|
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
|
gen_op_st_T0_A0(OT_WORD + s->mem_index);
|
|
break;
|
|
case 0x1d: /* fldt mem */
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_1(helper_fldt_ST0, cpu_A0);
|
|
break;
|
|
case 0x1f: /* fstpt mem */
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_1(helper_fstt_ST0, cpu_A0);
|
|
tcg_gen_helper_0_0(helper_fpop);
|
|
break;
|
|
case 0x2c: /* frstor mem */
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_2(helper_frstor,
|
|
cpu_A0, tcg_const_i32(s->dflag));
|
|
break;
|
|
case 0x2e: /* fnsave mem */
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_2(helper_fsave,
|
|
cpu_A0, tcg_const_i32(s->dflag));
|
|
break;
|
|
case 0x2f: /* fnstsw mem */
|
|
tcg_gen_helper_1_0(helper_fnstsw, cpu_tmp2_i32);
|
|
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
|
gen_op_st_T0_A0(OT_WORD + s->mem_index);
|
|
break;
|
|
case 0x3c: /* fbld */
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_1(helper_fbld_ST0, cpu_A0);
|
|
break;
|
|
case 0x3e: /* fbstp */
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_1(helper_fbst_ST0, cpu_A0);
|
|
tcg_gen_helper_0_0(helper_fpop);
|
|
break;
|
|
case 0x3d: /* fildll */
|
|
tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0,
|
|
(s->mem_index >> 2) - 1);
|
|
tcg_gen_helper_0_1(helper_fildll_ST0, cpu_tmp1_i64);
|
|
break;
|
|
case 0x3f: /* fistpll */
|
|
tcg_gen_helper_1_0(helper_fistll_ST0, cpu_tmp1_i64);
|
|
tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0,
|
|
(s->mem_index >> 2) - 1);
|
|
tcg_gen_helper_0_0(helper_fpop);
|
|
break;
|
|
default:
|
|
goto illegal_op;
|
|
}
|
|
} else {
|
|
/* register float ops */
|
|
opreg = rm;
|
|
|
|
switch(op) {
|
|
case 0x08: /* fld sti */
|
|
tcg_gen_helper_0_0(helper_fpush);
|
|
tcg_gen_helper_0_1(helper_fmov_ST0_STN, tcg_const_i32((opreg + 1) & 7));
|
|
break;
|
|
case 0x09: /* fxchg sti */
|
|
case 0x29: /* fxchg4 sti, undocumented op */
|
|
case 0x39: /* fxchg7 sti, undocumented op */
|
|
tcg_gen_helper_0_1(helper_fxchg_ST0_STN, tcg_const_i32(opreg));
|
|
break;
|
|
case 0x0a: /* grp d9/2 */
|
|
switch(rm) {
|
|
case 0: /* fnop */
|
|
/* check exceptions (FreeBSD FPU probe) */
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_0(helper_fwait);
|
|
break;
|
|
default:
|
|
goto illegal_op;
|
|
}
|
|
break;
|
|
case 0x0c: /* grp d9/4 */
|
|
switch(rm) {
|
|
case 0: /* fchs */
|
|
tcg_gen_helper_0_0(helper_fchs_ST0);
|
|
break;
|
|
case 1: /* fabs */
|
|
tcg_gen_helper_0_0(helper_fabs_ST0);
|
|
break;
|
|
case 4: /* ftst */
|
|
tcg_gen_helper_0_0(helper_fldz_FT0);
|
|
tcg_gen_helper_0_0(helper_fcom_ST0_FT0);
|
|
break;
|
|
case 5: /* fxam */
|
|
tcg_gen_helper_0_0(helper_fxam_ST0);
|
|
break;
|
|
default:
|
|
goto illegal_op;
|
|
}
|
|
break;
|
|
case 0x0d: /* grp d9/5 */
|
|
{
|
|
switch(rm) {
|
|
case 0:
|
|
tcg_gen_helper_0_0(helper_fpush);
|
|
tcg_gen_helper_0_0(helper_fld1_ST0);
|
|
break;
|
|
case 1:
|
|
tcg_gen_helper_0_0(helper_fpush);
|
|
tcg_gen_helper_0_0(helper_fldl2t_ST0);
|
|
break;
|
|
case 2:
|
|
tcg_gen_helper_0_0(helper_fpush);
|
|
tcg_gen_helper_0_0(helper_fldl2e_ST0);
|
|
break;
|
|
case 3:
|
|
tcg_gen_helper_0_0(helper_fpush);
|
|
tcg_gen_helper_0_0(helper_fldpi_ST0);
|
|
break;
|
|
case 4:
|
|
tcg_gen_helper_0_0(helper_fpush);
|
|
tcg_gen_helper_0_0(helper_fldlg2_ST0);
|
|
break;
|
|
case 5:
|
|
tcg_gen_helper_0_0(helper_fpush);
|
|
tcg_gen_helper_0_0(helper_fldln2_ST0);
|
|
break;
|
|
case 6:
|
|
tcg_gen_helper_0_0(helper_fpush);
|
|
tcg_gen_helper_0_0(helper_fldz_ST0);
|
|
break;
|
|
default:
|
|
goto illegal_op;
|
|
}
|
|
}
|
|
break;
|
|
case 0x0e: /* grp d9/6 */
|
|
switch(rm) {
|
|
case 0: /* f2xm1 */
|
|
tcg_gen_helper_0_0(helper_f2xm1);
|
|
break;
|
|
case 1: /* fyl2x */
|
|
tcg_gen_helper_0_0(helper_fyl2x);
|
|
break;
|
|
case 2: /* fptan */
|
|
tcg_gen_helper_0_0(helper_fptan);
|
|
break;
|
|
case 3: /* fpatan */
|
|
tcg_gen_helper_0_0(helper_fpatan);
|
|
break;
|
|
case 4: /* fxtract */
|
|
tcg_gen_helper_0_0(helper_fxtract);
|
|
break;
|
|
case 5: /* fprem1 */
|
|
tcg_gen_helper_0_0(helper_fprem1);
|
|
break;
|
|
case 6: /* fdecstp */
|
|
tcg_gen_helper_0_0(helper_fdecstp);
|
|
break;
|
|
default:
|
|
case 7: /* fincstp */
|
|
tcg_gen_helper_0_0(helper_fincstp);
|
|
break;
|
|
}
|
|
break;
|
|
case 0x0f: /* grp d9/7 */
|
|
switch(rm) {
|
|
case 0: /* fprem */
|
|
tcg_gen_helper_0_0(helper_fprem);
|
|
break;
|
|
case 1: /* fyl2xp1 */
|
|
tcg_gen_helper_0_0(helper_fyl2xp1);
|
|
break;
|
|
case 2: /* fsqrt */
|
|
tcg_gen_helper_0_0(helper_fsqrt);
|
|
break;
|
|
case 3: /* fsincos */
|
|
tcg_gen_helper_0_0(helper_fsincos);
|
|
break;
|
|
case 5: /* fscale */
|
|
tcg_gen_helper_0_0(helper_fscale);
|
|
break;
|
|
case 4: /* frndint */
|
|
tcg_gen_helper_0_0(helper_frndint);
|
|
break;
|
|
case 6: /* fsin */
|
|
tcg_gen_helper_0_0(helper_fsin);
|
|
break;
|
|
default:
|
|
case 7: /* fcos */
|
|
tcg_gen_helper_0_0(helper_fcos);
|
|
break;
|
|
}
|
|
break;
|
|
case 0x00: case 0x01: case 0x04 ... 0x07: /* fxxx st, sti */
|
|
case 0x20: case 0x21: case 0x24 ... 0x27: /* fxxx sti, st */
|
|
case 0x30: case 0x31: case 0x34 ... 0x37: /* fxxxp sti, st */
|
|
{
|
|
int op1;
|
|
|
|
op1 = op & 7;
|
|
if (op >= 0x20) {
|
|
tcg_gen_helper_0_1(helper_fp_arith_STN_ST0[op1], tcg_const_i32(opreg));
|
|
if (op >= 0x30)
|
|
tcg_gen_helper_0_0(helper_fpop);
|
|
} else {
|
|
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg));
|
|
tcg_gen_helper_0_0(helper_fp_arith_ST0_FT0[op1]);
|
|
}
|
|
}
|
|
break;
|
|
case 0x02: /* fcom */
|
|
case 0x22: /* fcom2, undocumented op */
|
|
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg));
|
|
tcg_gen_helper_0_0(helper_fcom_ST0_FT0);
|
|
break;
|
|
case 0x03: /* fcomp */
|
|
case 0x23: /* fcomp3, undocumented op */
|
|
case 0x32: /* fcomp5, undocumented op */
|
|
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg));
|
|
tcg_gen_helper_0_0(helper_fcom_ST0_FT0);
|
|
tcg_gen_helper_0_0(helper_fpop);
|
|
break;
|
|
case 0x15: /* da/5 */
|
|
switch(rm) {
|
|
case 1: /* fucompp */
|
|
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(1));
|
|
tcg_gen_helper_0_0(helper_fucom_ST0_FT0);
|
|
tcg_gen_helper_0_0(helper_fpop);
|
|
tcg_gen_helper_0_0(helper_fpop);
|
|
break;
|
|
default:
|
|
goto illegal_op;
|
|
}
|
|
break;
|
|
case 0x1c:
|
|
switch(rm) {
|
|
case 0: /* feni (287 only, just do nop here) */
|
|
break;
|
|
case 1: /* fdisi (287 only, just do nop here) */
|
|
break;
|
|
case 2: /* fclex */
|
|
tcg_gen_helper_0_0(helper_fclex);
|
|
break;
|
|
case 3: /* fninit */
|
|
tcg_gen_helper_0_0(helper_fninit);
|
|
break;
|
|
case 4: /* fsetpm (287 only, just do nop here) */
|
|
break;
|
|
default:
|
|
goto illegal_op;
|
|
}
|
|
break;
|
|
case 0x1d: /* fucomi */
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg));
|
|
tcg_gen_helper_0_0(helper_fucomi_ST0_FT0);
|
|
s->cc_op = CC_OP_EFLAGS;
|
|
break;
|
|
case 0x1e: /* fcomi */
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg));
|
|
tcg_gen_helper_0_0(helper_fcomi_ST0_FT0);
|
|
s->cc_op = CC_OP_EFLAGS;
|
|
break;
|
|
case 0x28: /* ffree sti */
|
|
tcg_gen_helper_0_1(helper_ffree_STN, tcg_const_i32(opreg));
|
|
break;
|
|
case 0x2a: /* fst sti */
|
|
tcg_gen_helper_0_1(helper_fmov_STN_ST0, tcg_const_i32(opreg));
|
|
break;
|
|
case 0x2b: /* fstp sti */
|
|
case 0x0b: /* fstp1 sti, undocumented op */
|
|
case 0x3a: /* fstp8 sti, undocumented op */
|
|
case 0x3b: /* fstp9 sti, undocumented op */
|
|
tcg_gen_helper_0_1(helper_fmov_STN_ST0, tcg_const_i32(opreg));
|
|
tcg_gen_helper_0_0(helper_fpop);
|
|
break;
|
|
case 0x2c: /* fucom st(i) */
|
|
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg));
|
|
tcg_gen_helper_0_0(helper_fucom_ST0_FT0);
|
|
break;
|
|
case 0x2d: /* fucomp st(i) */
|
|
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg));
|
|
tcg_gen_helper_0_0(helper_fucom_ST0_FT0);
|
|
tcg_gen_helper_0_0(helper_fpop);
|
|
break;
|
|
case 0x33: /* de/3 */
|
|
switch(rm) {
|
|
case 1: /* fcompp */
|
|
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(1));
|
|
tcg_gen_helper_0_0(helper_fcom_ST0_FT0);
|
|
tcg_gen_helper_0_0(helper_fpop);
|
|
tcg_gen_helper_0_0(helper_fpop);
|
|
break;
|
|
default:
|
|
goto illegal_op;
|
|
}
|
|
break;
|
|
case 0x38: /* ffreep sti, undocumented op */
|
|
tcg_gen_helper_0_1(helper_ffree_STN, tcg_const_i32(opreg));
|
|
tcg_gen_helper_0_0(helper_fpop);
|
|
break;
|
|
case 0x3c: /* df/4 */
|
|
switch(rm) {
|
|
case 0:
|
|
tcg_gen_helper_1_0(helper_fnstsw, cpu_tmp2_i32);
|
|
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
|
gen_op_mov_reg_T0(OT_WORD, R_EAX);
|
|
break;
|
|
default:
|
|
goto illegal_op;
|
|
}
|
|
break;
|
|
case 0x3d: /* fucomip */
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg));
|
|
tcg_gen_helper_0_0(helper_fucomi_ST0_FT0);
|
|
tcg_gen_helper_0_0(helper_fpop);
|
|
s->cc_op = CC_OP_EFLAGS;
|
|
break;
|
|
case 0x3e: /* fcomip */
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
tcg_gen_helper_0_1(helper_fmov_FT0_STN, tcg_const_i32(opreg));
|
|
tcg_gen_helper_0_0(helper_fcomi_ST0_FT0);
|
|
tcg_gen_helper_0_0(helper_fpop);
|
|
s->cc_op = CC_OP_EFLAGS;
|
|
break;
|
|
case 0x10 ... 0x13: /* fcmovxx */
|
|
case 0x18 ... 0x1b:
|
|
{
|
|
int op1, l1;
|
|
static const uint8_t fcmov_cc[8] = {
|
|
(JCC_B << 1),
|
|
(JCC_Z << 1),
|
|
(JCC_BE << 1),
|
|
(JCC_P << 1),
|
|
};
|
|
op1 = fcmov_cc[op & 3] | (((op >> 3) & 1) ^ 1);
|
|
l1 = gen_new_label();
|
|
gen_jcc1(s, s->cc_op, op1, l1);
|
|
tcg_gen_helper_0_1(helper_fmov_ST0_STN, tcg_const_i32(opreg));
|
|
gen_set_label(l1);
|
|
}
|
|
break;
|
|
default:
|
|
goto illegal_op;
|
|
}
|
|
}
|
|
break;
|
|
/************************/
|
|
/* string ops */
|
|
|
|
case 0xa4: /* movsS */
|
|
case 0xa5:
|
|
if ((b & 1) == 0)
|
|
ot = OT_BYTE;
|
|
else
|
|
ot = dflag + OT_WORD;
|
|
|
|
if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) {
|
|
gen_repz_movs(s, ot, pc_start - s->cs_base, s->pc - s->cs_base);
|
|
} else {
|
|
gen_movs(s, ot);
|
|
}
|
|
break;
|
|
|
|
case 0xaa: /* stosS */
|
|
case 0xab:
|
|
if ((b & 1) == 0)
|
|
ot = OT_BYTE;
|
|
else
|
|
ot = dflag + OT_WORD;
|
|
|
|
if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) {
|
|
gen_repz_stos(s, ot, pc_start - s->cs_base, s->pc - s->cs_base);
|
|
} else {
|
|
gen_stos(s, ot);
|
|
}
|
|
break;
|
|
case 0xac: /* lodsS */
|
|
case 0xad:
|
|
if ((b & 1) == 0)
|
|
ot = OT_BYTE;
|
|
else
|
|
ot = dflag + OT_WORD;
|
|
if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) {
|
|
gen_repz_lods(s, ot, pc_start - s->cs_base, s->pc - s->cs_base);
|
|
} else {
|
|
gen_lods(s, ot);
|
|
}
|
|
break;
|
|
case 0xae: /* scasS */
|
|
case 0xaf:
|
|
if ((b & 1) == 0)
|
|
ot = OT_BYTE;
|
|
else
|
|
ot = dflag + OT_WORD;
|
|
if (prefixes & PREFIX_REPNZ) {
|
|
gen_repz_scas(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 1);
|
|
} else if (prefixes & PREFIX_REPZ) {
|
|
gen_repz_scas(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 0);
|
|
} else {
|
|
gen_scas(s, ot);
|
|
s->cc_op = CC_OP_SUBB + ot;
|
|
}
|
|
break;
|
|
|
|
case 0xa6: /* cmpsS */
|
|
case 0xa7:
|
|
if ((b & 1) == 0)
|
|
ot = OT_BYTE;
|
|
else
|
|
ot = dflag + OT_WORD;
|
|
if (prefixes & PREFIX_REPNZ) {
|
|
gen_repz_cmps(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 1);
|
|
} else if (prefixes & PREFIX_REPZ) {
|
|
gen_repz_cmps(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 0);
|
|
} else {
|
|
gen_cmps(s, ot);
|
|
s->cc_op = CC_OP_SUBB + ot;
|
|
}
|
|
break;
|
|
case 0x6c: /* insS */
|
|
case 0x6d:
|
|
if ((b & 1) == 0)
|
|
ot = OT_BYTE;
|
|
else
|
|
ot = dflag ? OT_LONG : OT_WORD;
|
|
gen_op_mov_TN_reg(OT_WORD, 0, R_EDX);
|
|
gen_op_andl_T0_ffff();
|
|
gen_check_io(s, ot, pc_start - s->cs_base,
|
|
SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes) | 4);
|
|
if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) {
|
|
gen_repz_ins(s, ot, pc_start - s->cs_base, s->pc - s->cs_base);
|
|
} else {
|
|
gen_ins(s, ot);
|
|
if (use_icount) {
|
|
gen_jmp(s, s->pc - s->cs_base);
|
|
}
|
|
}
|
|
break;
|
|
case 0x6e: /* outsS */
|
|
case 0x6f:
|
|
if ((b & 1) == 0)
|
|
ot = OT_BYTE;
|
|
else
|
|
ot = dflag ? OT_LONG : OT_WORD;
|
|
gen_op_mov_TN_reg(OT_WORD, 0, R_EDX);
|
|
gen_op_andl_T0_ffff();
|
|
gen_check_io(s, ot, pc_start - s->cs_base,
|
|
svm_is_rep(prefixes) | 4);
|
|
if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) {
|
|
gen_repz_outs(s, ot, pc_start - s->cs_base, s->pc - s->cs_base);
|
|
} else {
|
|
gen_outs(s, ot);
|
|
if (use_icount) {
|
|
gen_jmp(s, s->pc - s->cs_base);
|
|
}
|
|
}
|
|
break;
|
|
|
|
/************************/
|
|
/* port I/O */
|
|
|
|
case 0xe4:
|
|
case 0xe5:
|
|
if ((b & 1) == 0)
|
|
ot = OT_BYTE;
|
|
else
|
|
ot = dflag ? OT_LONG : OT_WORD;
|
|
val = ldub_code(s->pc++);
|
|
gen_op_movl_T0_im(val);
|
|
gen_check_io(s, ot, pc_start - s->cs_base,
|
|
SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes));
|
|
if (use_icount)
|
|
gen_io_start();
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
|
tcg_gen_helper_1_1(helper_in_func[ot], cpu_T[1], cpu_tmp2_i32);
|
|
gen_op_mov_reg_T1(ot, R_EAX);
|
|
if (use_icount) {
|
|
gen_io_end();
|
|
gen_jmp(s, s->pc - s->cs_base);
|
|
}
|
|
break;
|
|
case 0xe6:
|
|
case 0xe7:
|
|
if ((b & 1) == 0)
|
|
ot = OT_BYTE;
|
|
else
|
|
ot = dflag ? OT_LONG : OT_WORD;
|
|
val = ldub_code(s->pc++);
|
|
gen_op_movl_T0_im(val);
|
|
gen_check_io(s, ot, pc_start - s->cs_base,
|
|
svm_is_rep(prefixes));
|
|
gen_op_mov_TN_reg(ot, 1, R_EAX);
|
|
|
|
if (use_icount)
|
|
gen_io_start();
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
|
tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T[1]);
|
|
tcg_gen_helper_0_2(helper_out_func[ot], cpu_tmp2_i32, cpu_tmp3_i32);
|
|
if (use_icount) {
|
|
gen_io_end();
|
|
gen_jmp(s, s->pc - s->cs_base);
|
|
}
|
|
break;
|
|
case 0xec:
|
|
case 0xed:
|
|
if ((b & 1) == 0)
|
|
ot = OT_BYTE;
|
|
else
|
|
ot = dflag ? OT_LONG : OT_WORD;
|
|
gen_op_mov_TN_reg(OT_WORD, 0, R_EDX);
|
|
gen_op_andl_T0_ffff();
|
|
gen_check_io(s, ot, pc_start - s->cs_base,
|
|
SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes));
|
|
if (use_icount)
|
|
gen_io_start();
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
|
tcg_gen_helper_1_1(helper_in_func[ot], cpu_T[1], cpu_tmp2_i32);
|
|
gen_op_mov_reg_T1(ot, R_EAX);
|
|
if (use_icount) {
|
|
gen_io_end();
|
|
gen_jmp(s, s->pc - s->cs_base);
|
|
}
|
|
break;
|
|
case 0xee:
|
|
case 0xef:
|
|
if ((b & 1) == 0)
|
|
ot = OT_BYTE;
|
|
else
|
|
ot = dflag ? OT_LONG : OT_WORD;
|
|
gen_op_mov_TN_reg(OT_WORD, 0, R_EDX);
|
|
gen_op_andl_T0_ffff();
|
|
gen_check_io(s, ot, pc_start - s->cs_base,
|
|
svm_is_rep(prefixes));
|
|
gen_op_mov_TN_reg(ot, 1, R_EAX);
|
|
|
|
if (use_icount)
|
|
gen_io_start();
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
|
tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T[1]);
|
|
tcg_gen_helper_0_2(helper_out_func[ot], cpu_tmp2_i32, cpu_tmp3_i32);
|
|
if (use_icount) {
|
|
gen_io_end();
|
|
gen_jmp(s, s->pc - s->cs_base);
|
|
}
|
|
break;
|
|
|
|
/************************/
|
|
/* control */
|
|
case 0xc2: /* ret im */
|
|
val = ldsw_code(s->pc);
|
|
s->pc += 2;
|
|
gen_pop_T0(s);
|
|
if (CODE64(s) && s->dflag)
|
|
s->dflag = 2;
|
|
gen_stack_update(s, val + (2 << s->dflag));
|
|
if (s->dflag == 0)
|
|
gen_op_andl_T0_ffff();
|
|
gen_op_jmp_T0();
|
|
gen_eob(s);
|
|
break;
|
|
case 0xc3: /* ret */
|
|
gen_pop_T0(s);
|
|
gen_pop_update(s);
|
|
if (s->dflag == 0)
|
|
gen_op_andl_T0_ffff();
|
|
gen_op_jmp_T0();
|
|
gen_eob(s);
|
|
break;
|
|
case 0xca: /* lret im */
|
|
val = ldsw_code(s->pc);
|
|
s->pc += 2;
|
|
do_lret:
|
|
if (s->pe && !s->vm86) {
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_2(helper_lret_protected,
|
|
tcg_const_i32(s->dflag),
|
|
tcg_const_i32(val));
|
|
} else {
|
|
gen_stack_A0(s);
|
|
/* pop offset */
|
|
gen_op_ld_T0_A0(1 + s->dflag + s->mem_index);
|
|
if (s->dflag == 0)
|
|
gen_op_andl_T0_ffff();
|
|
/* NOTE: keeping EIP updated is not a problem in case of
|
|
exception */
|
|
gen_op_jmp_T0();
|
|
/* pop selector */
|
|
gen_op_addl_A0_im(2 << s->dflag);
|
|
gen_op_ld_T0_A0(1 + s->dflag + s->mem_index);
|
|
gen_op_movl_seg_T0_vm(R_CS);
|
|
/* add stack offset */
|
|
gen_stack_update(s, val + (4 << s->dflag));
|
|
}
|
|
gen_eob(s);
|
|
break;
|
|
case 0xcb: /* lret */
|
|
val = 0;
|
|
goto do_lret;
|
|
case 0xcf: /* iret */
|
|
gen_svm_check_intercept(s, pc_start, SVM_EXIT_IRET);
|
|
if (!s->pe) {
|
|
/* real mode */
|
|
tcg_gen_helper_0_1(helper_iret_real, tcg_const_i32(s->dflag));
|
|
s->cc_op = CC_OP_EFLAGS;
|
|
} else if (s->vm86) {
|
|
if (s->iopl != 3) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
} else {
|
|
tcg_gen_helper_0_1(helper_iret_real, tcg_const_i32(s->dflag));
|
|
s->cc_op = CC_OP_EFLAGS;
|
|
}
|
|
} else {
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_2(helper_iret_protected,
|
|
tcg_const_i32(s->dflag),
|
|
tcg_const_i32(s->pc - s->cs_base));
|
|
s->cc_op = CC_OP_EFLAGS;
|
|
}
|
|
gen_eob(s);
|
|
break;
|
|
case 0xe8: /* call im */
|
|
{
|
|
if (dflag)
|
|
tval = (int32_t)insn_get(s, OT_LONG);
|
|
else
|
|
tval = (int16_t)insn_get(s, OT_WORD);
|
|
next_eip = s->pc - s->cs_base;
|
|
tval += next_eip;
|
|
if (s->dflag == 0)
|
|
tval &= 0xffff;
|
|
gen_movtl_T0_im(next_eip);
|
|
gen_push_T0(s);
|
|
gen_jmp(s, tval);
|
|
}
|
|
break;
|
|
case 0x9a: /* lcall im */
|
|
{
|
|
unsigned int selector, offset;
|
|
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
ot = dflag ? OT_LONG : OT_WORD;
|
|
offset = insn_get(s, ot);
|
|
selector = insn_get(s, OT_WORD);
|
|
|
|
gen_op_movl_T0_im(selector);
|
|
gen_op_movl_T1_imu(offset);
|
|
}
|
|
goto do_lcall;
|
|
case 0xe9: /* jmp im */
|
|
if (dflag)
|
|
tval = (int32_t)insn_get(s, OT_LONG);
|
|
else
|
|
tval = (int16_t)insn_get(s, OT_WORD);
|
|
tval += s->pc - s->cs_base;
|
|
if (s->dflag == 0)
|
|
tval &= 0xffff;
|
|
gen_jmp(s, tval);
|
|
break;
|
|
case 0xea: /* ljmp im */
|
|
{
|
|
unsigned int selector, offset;
|
|
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
ot = dflag ? OT_LONG : OT_WORD;
|
|
offset = insn_get(s, ot);
|
|
selector = insn_get(s, OT_WORD);
|
|
|
|
gen_op_movl_T0_im(selector);
|
|
gen_op_movl_T1_imu(offset);
|
|
}
|
|
goto do_ljmp;
|
|
case 0xeb: /* jmp Jb */
|
|
tval = (int8_t)insn_get(s, OT_BYTE);
|
|
tval += s->pc - s->cs_base;
|
|
if (s->dflag == 0)
|
|
tval &= 0xffff;
|
|
gen_jmp(s, tval);
|
|
break;
|
|
case 0x70 ... 0x7f: /* jcc Jb */
|
|
tval = (int8_t)insn_get(s, OT_BYTE);
|
|
goto do_jcc;
|
|
case 0x180 ... 0x18f: /* jcc Jv */
|
|
if (dflag) {
|
|
tval = (int32_t)insn_get(s, OT_LONG);
|
|
} else {
|
|
tval = (int16_t)insn_get(s, OT_WORD);
|
|
}
|
|
do_jcc:
|
|
next_eip = s->pc - s->cs_base;
|
|
tval += next_eip;
|
|
if (s->dflag == 0)
|
|
tval &= 0xffff;
|
|
gen_jcc(s, b, tval, next_eip);
|
|
break;
|
|
|
|
case 0x190 ... 0x19f: /* setcc Gv */
|
|
modrm = ldub_code(s->pc++);
|
|
gen_setcc(s, b);
|
|
gen_ldst_modrm(s, modrm, OT_BYTE, OR_TMP0, 1);
|
|
break;
|
|
case 0x140 ... 0x14f: /* cmov Gv, Ev */
|
|
{
|
|
int l1;
|
|
TCGv t0;
|
|
|
|
ot = dflag + OT_WORD;
|
|
modrm = ldub_code(s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
mod = (modrm >> 6) & 3;
|
|
t0 = tcg_temp_local_new(TCG_TYPE_TL);
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_op_ld_v(ot + s->mem_index, t0, cpu_A0);
|
|
} else {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_mov_v_reg(ot, t0, rm);
|
|
}
|
|
#ifdef TARGET_X86_64
|
|
if (ot == OT_LONG) {
|
|
/* XXX: specific Intel behaviour ? */
|
|
l1 = gen_new_label();
|
|
gen_jcc1(s, s->cc_op, b ^ 1, l1);
|
|
tcg_gen_st32_tl(t0, cpu_env, offsetof(CPUState, regs[reg]) + REG_L_OFFSET);
|
|
gen_set_label(l1);
|
|
tcg_gen_movi_tl(cpu_tmp0, 0);
|
|
tcg_gen_st32_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]) + REG_LH_OFFSET);
|
|
} else
|
|
#endif
|
|
{
|
|
l1 = gen_new_label();
|
|
gen_jcc1(s, s->cc_op, b ^ 1, l1);
|
|
gen_op_mov_reg_v(ot, reg, t0);
|
|
gen_set_label(l1);
|
|
}
|
|
tcg_temp_free(t0);
|
|
}
|
|
break;
|
|
|
|
/************************/
|
|
/* flags */
|
|
case 0x9c: /* pushf */
|
|
gen_svm_check_intercept(s, pc_start, SVM_EXIT_PUSHF);
|
|
if (s->vm86 && s->iopl != 3) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
} else {
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
tcg_gen_helper_1_0(helper_read_eflags, cpu_T[0]);
|
|
gen_push_T0(s);
|
|
}
|
|
break;
|
|
case 0x9d: /* popf */
|
|
gen_svm_check_intercept(s, pc_start, SVM_EXIT_POPF);
|
|
if (s->vm86 && s->iopl != 3) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
} else {
|
|
gen_pop_T0(s);
|
|
if (s->cpl == 0) {
|
|
if (s->dflag) {
|
|
tcg_gen_helper_0_2(helper_write_eflags, cpu_T[0],
|
|
tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK | IOPL_MASK)));
|
|
} else {
|
|
tcg_gen_helper_0_2(helper_write_eflags, cpu_T[0],
|
|
tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK | IOPL_MASK) & 0xffff));
|
|
}
|
|
} else {
|
|
if (s->cpl <= s->iopl) {
|
|
if (s->dflag) {
|
|
tcg_gen_helper_0_2(helper_write_eflags, cpu_T[0],
|
|
tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK)));
|
|
} else {
|
|
tcg_gen_helper_0_2(helper_write_eflags, cpu_T[0],
|
|
tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK) & 0xffff));
|
|
}
|
|
} else {
|
|
if (s->dflag) {
|
|
tcg_gen_helper_0_2(helper_write_eflags, cpu_T[0],
|
|
tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK)));
|
|
} else {
|
|
tcg_gen_helper_0_2(helper_write_eflags, cpu_T[0],
|
|
tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK) & 0xffff));
|
|
}
|
|
}
|
|
}
|
|
gen_pop_update(s);
|
|
s->cc_op = CC_OP_EFLAGS;
|
|
/* abort translation because TF flag may change */
|
|
gen_jmp_im(s->pc - s->cs_base);
|
|
gen_eob(s);
|
|
}
|
|
break;
|
|
case 0x9e: /* sahf */
|
|
if (CODE64(s) && !(s->cpuid_ext3_features & CPUID_EXT3_LAHF_LM))
|
|
goto illegal_op;
|
|
gen_op_mov_TN_reg(OT_BYTE, 0, R_AH);
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_compute_eflags(cpu_cc_src);
|
|
tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, CC_O);
|
|
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], CC_S | CC_Z | CC_A | CC_P | CC_C);
|
|
tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, cpu_T[0]);
|
|
s->cc_op = CC_OP_EFLAGS;
|
|
break;
|
|
case 0x9f: /* lahf */
|
|
if (CODE64(s) && !(s->cpuid_ext3_features & CPUID_EXT3_LAHF_LM))
|
|
goto illegal_op;
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_compute_eflags(cpu_T[0]);
|
|
/* Note: gen_compute_eflags() only gives the condition codes */
|
|
tcg_gen_ori_tl(cpu_T[0], cpu_T[0], 0x02);
|
|
gen_op_mov_reg_T0(OT_BYTE, R_AH);
|
|
break;
|
|
case 0xf5: /* cmc */
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_compute_eflags(cpu_cc_src);
|
|
tcg_gen_xori_tl(cpu_cc_src, cpu_cc_src, CC_C);
|
|
s->cc_op = CC_OP_EFLAGS;
|
|
break;
|
|
case 0xf8: /* clc */
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_compute_eflags(cpu_cc_src);
|
|
tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, ~CC_C);
|
|
s->cc_op = CC_OP_EFLAGS;
|
|
break;
|
|
case 0xf9: /* stc */
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_compute_eflags(cpu_cc_src);
|
|
tcg_gen_ori_tl(cpu_cc_src, cpu_cc_src, CC_C);
|
|
s->cc_op = CC_OP_EFLAGS;
|
|
break;
|
|
case 0xfc: /* cld */
|
|
tcg_gen_movi_i32(cpu_tmp2_i32, 1);
|
|
tcg_gen_st_i32(cpu_tmp2_i32, cpu_env, offsetof(CPUState, df));
|
|
break;
|
|
case 0xfd: /* std */
|
|
tcg_gen_movi_i32(cpu_tmp2_i32, -1);
|
|
tcg_gen_st_i32(cpu_tmp2_i32, cpu_env, offsetof(CPUState, df));
|
|
break;
|
|
|
|
/************************/
|
|
/* bit operations */
|
|
case 0x1ba: /* bt/bts/btr/btc Gv, im */
|
|
ot = dflag + OT_WORD;
|
|
modrm = ldub_code(s->pc++);
|
|
op = (modrm >> 3) & 7;
|
|
mod = (modrm >> 6) & 3;
|
|
rm = (modrm & 7) | REX_B(s);
|
|
if (mod != 3) {
|
|
s->rip_offset = 1;
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_op_ld_T0_A0(ot + s->mem_index);
|
|
} else {
|
|
gen_op_mov_TN_reg(ot, 0, rm);
|
|
}
|
|
/* load shift */
|
|
val = ldub_code(s->pc++);
|
|
gen_op_movl_T1_im(val);
|
|
if (op < 4)
|
|
goto illegal_op;
|
|
op -= 4;
|
|
goto bt_op;
|
|
case 0x1a3: /* bt Gv, Ev */
|
|
op = 0;
|
|
goto do_btx;
|
|
case 0x1ab: /* bts */
|
|
op = 1;
|
|
goto do_btx;
|
|
case 0x1b3: /* btr */
|
|
op = 2;
|
|
goto do_btx;
|
|
case 0x1bb: /* btc */
|
|
op = 3;
|
|
do_btx:
|
|
ot = dflag + OT_WORD;
|
|
modrm = ldub_code(s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
mod = (modrm >> 6) & 3;
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_mov_TN_reg(OT_LONG, 1, reg);
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
/* specific case: we need to add a displacement */
|
|
gen_exts(ot, cpu_T[1]);
|
|
tcg_gen_sari_tl(cpu_tmp0, cpu_T[1], 3 + ot);
|
|
tcg_gen_shli_tl(cpu_tmp0, cpu_tmp0, ot);
|
|
tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0);
|
|
gen_op_ld_T0_A0(ot + s->mem_index);
|
|
} else {
|
|
gen_op_mov_TN_reg(ot, 0, rm);
|
|
}
|
|
bt_op:
|
|
tcg_gen_andi_tl(cpu_T[1], cpu_T[1], (1 << (3 + ot)) - 1);
|
|
switch(op) {
|
|
case 0:
|
|
tcg_gen_shr_tl(cpu_cc_src, cpu_T[0], cpu_T[1]);
|
|
tcg_gen_movi_tl(cpu_cc_dst, 0);
|
|
break;
|
|
case 1:
|
|
tcg_gen_shr_tl(cpu_tmp4, cpu_T[0], cpu_T[1]);
|
|
tcg_gen_movi_tl(cpu_tmp0, 1);
|
|
tcg_gen_shl_tl(cpu_tmp0, cpu_tmp0, cpu_T[1]);
|
|
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_tmp0);
|
|
break;
|
|
case 2:
|
|
tcg_gen_shr_tl(cpu_tmp4, cpu_T[0], cpu_T[1]);
|
|
tcg_gen_movi_tl(cpu_tmp0, 1);
|
|
tcg_gen_shl_tl(cpu_tmp0, cpu_tmp0, cpu_T[1]);
|
|
tcg_gen_not_tl(cpu_tmp0, cpu_tmp0);
|
|
tcg_gen_and_tl(cpu_T[0], cpu_T[0], cpu_tmp0);
|
|
break;
|
|
default:
|
|
case 3:
|
|
tcg_gen_shr_tl(cpu_tmp4, cpu_T[0], cpu_T[1]);
|
|
tcg_gen_movi_tl(cpu_tmp0, 1);
|
|
tcg_gen_shl_tl(cpu_tmp0, cpu_tmp0, cpu_T[1]);
|
|
tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_tmp0);
|
|
break;
|
|
}
|
|
s->cc_op = CC_OP_SARB + ot;
|
|
if (op != 0) {
|
|
if (mod != 3)
|
|
gen_op_st_T0_A0(ot + s->mem_index);
|
|
else
|
|
gen_op_mov_reg_T0(ot, rm);
|
|
tcg_gen_mov_tl(cpu_cc_src, cpu_tmp4);
|
|
tcg_gen_movi_tl(cpu_cc_dst, 0);
|
|
}
|
|
break;
|
|
case 0x1bc: /* bsf */
|
|
case 0x1bd: /* bsr */
|
|
{
|
|
int label1;
|
|
TCGv t0;
|
|
|
|
ot = dflag + OT_WORD;
|
|
modrm = ldub_code(s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
|
|
gen_extu(ot, cpu_T[0]);
|
|
label1 = gen_new_label();
|
|
tcg_gen_movi_tl(cpu_cc_dst, 0);
|
|
t0 = tcg_temp_local_new(TCG_TYPE_TL);
|
|
tcg_gen_mov_tl(t0, cpu_T[0]);
|
|
tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, label1);
|
|
if (b & 1) {
|
|
tcg_gen_helper_1_1(helper_bsr, cpu_T[0], t0);
|
|
} else {
|
|
tcg_gen_helper_1_1(helper_bsf, cpu_T[0], t0);
|
|
}
|
|
gen_op_mov_reg_T0(ot, reg);
|
|
tcg_gen_movi_tl(cpu_cc_dst, 1);
|
|
gen_set_label(label1);
|
|
tcg_gen_discard_tl(cpu_cc_src);
|
|
s->cc_op = CC_OP_LOGICB + ot;
|
|
tcg_temp_free(t0);
|
|
}
|
|
break;
|
|
/************************/
|
|
/* bcd */
|
|
case 0x27: /* daa */
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
tcg_gen_helper_0_0(helper_daa);
|
|
s->cc_op = CC_OP_EFLAGS;
|
|
break;
|
|
case 0x2f: /* das */
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
tcg_gen_helper_0_0(helper_das);
|
|
s->cc_op = CC_OP_EFLAGS;
|
|
break;
|
|
case 0x37: /* aaa */
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
tcg_gen_helper_0_0(helper_aaa);
|
|
s->cc_op = CC_OP_EFLAGS;
|
|
break;
|
|
case 0x3f: /* aas */
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
tcg_gen_helper_0_0(helper_aas);
|
|
s->cc_op = CC_OP_EFLAGS;
|
|
break;
|
|
case 0xd4: /* aam */
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
val = ldub_code(s->pc++);
|
|
if (val == 0) {
|
|
gen_exception(s, EXCP00_DIVZ, pc_start - s->cs_base);
|
|
} else {
|
|
tcg_gen_helper_0_1(helper_aam, tcg_const_i32(val));
|
|
s->cc_op = CC_OP_LOGICB;
|
|
}
|
|
break;
|
|
case 0xd5: /* aad */
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
val = ldub_code(s->pc++);
|
|
tcg_gen_helper_0_1(helper_aad, tcg_const_i32(val));
|
|
s->cc_op = CC_OP_LOGICB;
|
|
break;
|
|
/************************/
|
|
/* misc */
|
|
case 0x90: /* nop */
|
|
/* XXX: xchg + rex handling */
|
|
/* XXX: correct lock test for all insn */
|
|
if (prefixes & PREFIX_LOCK)
|
|
goto illegal_op;
|
|
if (prefixes & PREFIX_REPZ) {
|
|
gen_svm_check_intercept(s, pc_start, SVM_EXIT_PAUSE);
|
|
}
|
|
break;
|
|
case 0x9b: /* fwait */
|
|
if ((s->flags & (HF_MP_MASK | HF_TS_MASK)) ==
|
|
(HF_MP_MASK | HF_TS_MASK)) {
|
|
gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
|
|
} else {
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_0(helper_fwait);
|
|
}
|
|
break;
|
|
case 0xcc: /* int3 */
|
|
gen_interrupt(s, EXCP03_INT3, pc_start - s->cs_base, s->pc - s->cs_base);
|
|
break;
|
|
case 0xcd: /* int N */
|
|
val = ldub_code(s->pc++);
|
|
if (s->vm86 && s->iopl != 3) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
} else {
|
|
gen_interrupt(s, val, pc_start - s->cs_base, s->pc - s->cs_base);
|
|
}
|
|
break;
|
|
case 0xce: /* into */
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_1(helper_into, tcg_const_i32(s->pc - pc_start));
|
|
break;
|
|
case 0xf1: /* icebp (undocumented, exits to external debugger) */
|
|
gen_svm_check_intercept(s, pc_start, SVM_EXIT_ICEBP);
|
|
#if 1
|
|
gen_debug(s, pc_start - s->cs_base);
|
|
#else
|
|
/* start debug */
|
|
tb_flush(cpu_single_env);
|
|
cpu_set_log(CPU_LOG_INT | CPU_LOG_TB_IN_ASM);
|
|
#endif
|
|
break;
|
|
case 0xfa: /* cli */
|
|
if (!s->vm86) {
|
|
if (s->cpl <= s->iopl) {
|
|
tcg_gen_helper_0_0(helper_cli);
|
|
} else {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
}
|
|
} else {
|
|
if (s->iopl == 3) {
|
|
tcg_gen_helper_0_0(helper_cli);
|
|
} else {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
}
|
|
}
|
|
break;
|
|
case 0xfb: /* sti */
|
|
if (!s->vm86) {
|
|
if (s->cpl <= s->iopl) {
|
|
gen_sti:
|
|
tcg_gen_helper_0_0(helper_sti);
|
|
/* interruptions are enabled only the first insn after sti */
|
|
/* If several instructions disable interrupts, only the
|
|
_first_ does it */
|
|
if (!(s->tb->flags & HF_INHIBIT_IRQ_MASK))
|
|
tcg_gen_helper_0_0(helper_set_inhibit_irq);
|
|
/* give a chance to handle pending irqs */
|
|
gen_jmp_im(s->pc - s->cs_base);
|
|
gen_eob(s);
|
|
} else {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
}
|
|
} else {
|
|
if (s->iopl == 3) {
|
|
goto gen_sti;
|
|
} else {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
}
|
|
}
|
|
break;
|
|
case 0x62: /* bound */
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
ot = dflag ? OT_LONG : OT_WORD;
|
|
modrm = ldub_code(s->pc++);
|
|
reg = (modrm >> 3) & 7;
|
|
mod = (modrm >> 6) & 3;
|
|
if (mod == 3)
|
|
goto illegal_op;
|
|
gen_op_mov_TN_reg(ot, 0, reg);
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
|
if (ot == OT_WORD)
|
|
tcg_gen_helper_0_2(helper_boundw, cpu_A0, cpu_tmp2_i32);
|
|
else
|
|
tcg_gen_helper_0_2(helper_boundl, cpu_A0, cpu_tmp2_i32);
|
|
break;
|
|
case 0x1c8 ... 0x1cf: /* bswap reg */
|
|
reg = (b & 7) | REX_B(s);
|
|
#ifdef TARGET_X86_64
|
|
if (dflag == 2) {
|
|
gen_op_mov_TN_reg(OT_QUAD, 0, reg);
|
|
tcg_gen_bswap_i64(cpu_T[0], cpu_T[0]);
|
|
gen_op_mov_reg_T0(OT_QUAD, reg);
|
|
} else
|
|
{
|
|
TCGv tmp0;
|
|
gen_op_mov_TN_reg(OT_LONG, 0, reg);
|
|
|
|
tmp0 = tcg_temp_new(TCG_TYPE_I32);
|
|
tcg_gen_trunc_i64_i32(tmp0, cpu_T[0]);
|
|
tcg_gen_bswap_i32(tmp0, tmp0);
|
|
tcg_gen_extu_i32_i64(cpu_T[0], tmp0);
|
|
gen_op_mov_reg_T0(OT_LONG, reg);
|
|
}
|
|
#else
|
|
{
|
|
gen_op_mov_TN_reg(OT_LONG, 0, reg);
|
|
tcg_gen_bswap_i32(cpu_T[0], cpu_T[0]);
|
|
gen_op_mov_reg_T0(OT_LONG, reg);
|
|
}
|
|
#endif
|
|
break;
|
|
case 0xd6: /* salc */
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_compute_eflags_c(cpu_T[0]);
|
|
tcg_gen_neg_tl(cpu_T[0], cpu_T[0]);
|
|
gen_op_mov_reg_T0(OT_BYTE, R_EAX);
|
|
break;
|
|
case 0xe0: /* loopnz */
|
|
case 0xe1: /* loopz */
|
|
case 0xe2: /* loop */
|
|
case 0xe3: /* jecxz */
|
|
{
|
|
int l1, l2, l3;
|
|
|
|
tval = (int8_t)insn_get(s, OT_BYTE);
|
|
next_eip = s->pc - s->cs_base;
|
|
tval += next_eip;
|
|
if (s->dflag == 0)
|
|
tval &= 0xffff;
|
|
|
|
l1 = gen_new_label();
|
|
l2 = gen_new_label();
|
|
l3 = gen_new_label();
|
|
b &= 3;
|
|
switch(b) {
|
|
case 0: /* loopnz */
|
|
case 1: /* loopz */
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_op_add_reg_im(s->aflag, R_ECX, -1);
|
|
gen_op_jz_ecx(s->aflag, l3);
|
|
gen_compute_eflags(cpu_tmp0);
|
|
tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, CC_Z);
|
|
if (b == 0) {
|
|
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_tmp0, 0, l1);
|
|
} else {
|
|
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_tmp0, 0, l1);
|
|
}
|
|
break;
|
|
case 2: /* loop */
|
|
gen_op_add_reg_im(s->aflag, R_ECX, -1);
|
|
gen_op_jnz_ecx(s->aflag, l1);
|
|
break;
|
|
default:
|
|
case 3: /* jcxz */
|
|
gen_op_jz_ecx(s->aflag, l1);
|
|
break;
|
|
}
|
|
|
|
gen_set_label(l3);
|
|
gen_jmp_im(next_eip);
|
|
tcg_gen_br(l2);
|
|
|
|
gen_set_label(l1);
|
|
gen_jmp_im(tval);
|
|
gen_set_label(l2);
|
|
gen_eob(s);
|
|
}
|
|
break;
|
|
case 0x130: /* wrmsr */
|
|
case 0x132: /* rdmsr */
|
|
if (s->cpl != 0) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
} else {
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
if (b & 2) {
|
|
tcg_gen_helper_0_0(helper_rdmsr);
|
|
} else {
|
|
tcg_gen_helper_0_0(helper_wrmsr);
|
|
}
|
|
}
|
|
break;
|
|
case 0x131: /* rdtsc */
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
if (use_icount)
|
|
gen_io_start();
|
|
tcg_gen_helper_0_0(helper_rdtsc);
|
|
if (use_icount) {
|
|
gen_io_end();
|
|
gen_jmp(s, s->pc - s->cs_base);
|
|
}
|
|
break;
|
|
case 0x133: /* rdpmc */
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_0(helper_rdpmc);
|
|
break;
|
|
case 0x134: /* sysenter */
|
|
/* For Intel SYSENTER is valid on 64-bit */
|
|
if (CODE64(s) && cpu_single_env->cpuid_vendor1 != CPUID_VENDOR_INTEL_1)
|
|
goto illegal_op;
|
|
if (!s->pe) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
} else {
|
|
if (s->cc_op != CC_OP_DYNAMIC) {
|
|
gen_op_set_cc_op(s->cc_op);
|
|
s->cc_op = CC_OP_DYNAMIC;
|
|
}
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_0(helper_sysenter);
|
|
gen_eob(s);
|
|
}
|
|
break;
|
|
case 0x135: /* sysexit */
|
|
/* For Intel SYSEXIT is valid on 64-bit */
|
|
if (CODE64(s) && cpu_single_env->cpuid_vendor1 != CPUID_VENDOR_INTEL_1)
|
|
goto illegal_op;
|
|
if (!s->pe) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
} else {
|
|
if (s->cc_op != CC_OP_DYNAMIC) {
|
|
gen_op_set_cc_op(s->cc_op);
|
|
s->cc_op = CC_OP_DYNAMIC;
|
|
}
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_1(helper_sysexit, tcg_const_i32(dflag));
|
|
gen_eob(s);
|
|
}
|
|
break;
|
|
#ifdef TARGET_X86_64
|
|
case 0x105: /* syscall */
|
|
/* XXX: is it usable in real mode ? */
|
|
if (s->cc_op != CC_OP_DYNAMIC) {
|
|
gen_op_set_cc_op(s->cc_op);
|
|
s->cc_op = CC_OP_DYNAMIC;
|
|
}
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_1(helper_syscall, tcg_const_i32(s->pc - pc_start));
|
|
gen_eob(s);
|
|
break;
|
|
case 0x107: /* sysret */
|
|
if (!s->pe) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
} else {
|
|
if (s->cc_op != CC_OP_DYNAMIC) {
|
|
gen_op_set_cc_op(s->cc_op);
|
|
s->cc_op = CC_OP_DYNAMIC;
|
|
}
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_1(helper_sysret, tcg_const_i32(s->dflag));
|
|
/* condition codes are modified only in long mode */
|
|
if (s->lma)
|
|
s->cc_op = CC_OP_EFLAGS;
|
|
gen_eob(s);
|
|
}
|
|
break;
|
|
#endif
|
|
case 0x1a2: /* cpuid */
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_0(helper_cpuid);
|
|
break;
|
|
case 0xf4: /* hlt */
|
|
if (s->cpl != 0) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
} else {
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_1(helper_hlt, tcg_const_i32(s->pc - pc_start));
|
|
s->is_jmp = 3;
|
|
}
|
|
break;
|
|
case 0x100:
|
|
modrm = ldub_code(s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
op = (modrm >> 3) & 7;
|
|
switch(op) {
|
|
case 0: /* sldt */
|
|
if (!s->pe || s->vm86)
|
|
goto illegal_op;
|
|
gen_svm_check_intercept(s, pc_start, SVM_EXIT_LDTR_READ);
|
|
tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,ldt.selector));
|
|
ot = OT_WORD;
|
|
if (mod == 3)
|
|
ot += s->dflag;
|
|
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1);
|
|
break;
|
|
case 2: /* lldt */
|
|
if (!s->pe || s->vm86)
|
|
goto illegal_op;
|
|
if (s->cpl != 0) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
} else {
|
|
gen_svm_check_intercept(s, pc_start, SVM_EXIT_LDTR_WRITE);
|
|
gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
|
tcg_gen_helper_0_1(helper_lldt, cpu_tmp2_i32);
|
|
}
|
|
break;
|
|
case 1: /* str */
|
|
if (!s->pe || s->vm86)
|
|
goto illegal_op;
|
|
gen_svm_check_intercept(s, pc_start, SVM_EXIT_TR_READ);
|
|
tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,tr.selector));
|
|
ot = OT_WORD;
|
|
if (mod == 3)
|
|
ot += s->dflag;
|
|
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1);
|
|
break;
|
|
case 3: /* ltr */
|
|
if (!s->pe || s->vm86)
|
|
goto illegal_op;
|
|
if (s->cpl != 0) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
} else {
|
|
gen_svm_check_intercept(s, pc_start, SVM_EXIT_TR_WRITE);
|
|
gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
|
tcg_gen_helper_0_1(helper_ltr, cpu_tmp2_i32);
|
|
}
|
|
break;
|
|
case 4: /* verr */
|
|
case 5: /* verw */
|
|
if (!s->pe || s->vm86)
|
|
goto illegal_op;
|
|
gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
if (op == 4)
|
|
tcg_gen_helper_0_1(helper_verr, cpu_T[0]);
|
|
else
|
|
tcg_gen_helper_0_1(helper_verw, cpu_T[0]);
|
|
s->cc_op = CC_OP_EFLAGS;
|
|
break;
|
|
default:
|
|
goto illegal_op;
|
|
}
|
|
break;
|
|
case 0x101:
|
|
modrm = ldub_code(s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
op = (modrm >> 3) & 7;
|
|
rm = modrm & 7;
|
|
switch(op) {
|
|
case 0: /* sgdt */
|
|
if (mod == 3)
|
|
goto illegal_op;
|
|
gen_svm_check_intercept(s, pc_start, SVM_EXIT_GDTR_READ);
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, gdt.limit));
|
|
gen_op_st_T0_A0(OT_WORD + s->mem_index);
|
|
gen_add_A0_im(s, 2);
|
|
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, gdt.base));
|
|
if (!s->dflag)
|
|
gen_op_andl_T0_im(0xffffff);
|
|
gen_op_st_T0_A0(CODE64(s) + OT_LONG + s->mem_index);
|
|
break;
|
|
case 1:
|
|
if (mod == 3) {
|
|
switch (rm) {
|
|
case 0: /* monitor */
|
|
if (!(s->cpuid_ext_features & CPUID_EXT_MONITOR) ||
|
|
s->cpl != 0)
|
|
goto illegal_op;
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
#ifdef TARGET_X86_64
|
|
if (s->aflag == 2) {
|
|
gen_op_movq_A0_reg(R_EAX);
|
|
} else
|
|
#endif
|
|
{
|
|
gen_op_movl_A0_reg(R_EAX);
|
|
if (s->aflag == 0)
|
|
gen_op_andl_A0_ffff();
|
|
}
|
|
gen_add_A0_ds_seg(s);
|
|
tcg_gen_helper_0_1(helper_monitor, cpu_A0);
|
|
break;
|
|
case 1: /* mwait */
|
|
if (!(s->cpuid_ext_features & CPUID_EXT_MONITOR) ||
|
|
s->cpl != 0)
|
|
goto illegal_op;
|
|
if (s->cc_op != CC_OP_DYNAMIC) {
|
|
gen_op_set_cc_op(s->cc_op);
|
|
s->cc_op = CC_OP_DYNAMIC;
|
|
}
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_1(helper_mwait, tcg_const_i32(s->pc - pc_start));
|
|
gen_eob(s);
|
|
break;
|
|
default:
|
|
goto illegal_op;
|
|
}
|
|
} else { /* sidt */
|
|
gen_svm_check_intercept(s, pc_start, SVM_EXIT_IDTR_READ);
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, idt.limit));
|
|
gen_op_st_T0_A0(OT_WORD + s->mem_index);
|
|
gen_add_A0_im(s, 2);
|
|
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, idt.base));
|
|
if (!s->dflag)
|
|
gen_op_andl_T0_im(0xffffff);
|
|
gen_op_st_T0_A0(CODE64(s) + OT_LONG + s->mem_index);
|
|
}
|
|
break;
|
|
case 2: /* lgdt */
|
|
case 3: /* lidt */
|
|
if (mod == 3) {
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
switch(rm) {
|
|
case 0: /* VMRUN */
|
|
if (!(s->flags & HF_SVME_MASK) || !s->pe)
|
|
goto illegal_op;
|
|
if (s->cpl != 0) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
break;
|
|
} else {
|
|
tcg_gen_helper_0_2(helper_vmrun,
|
|
tcg_const_i32(s->aflag),
|
|
tcg_const_i32(s->pc - pc_start));
|
|
tcg_gen_exit_tb(0);
|
|
s->is_jmp = 3;
|
|
}
|
|
break;
|
|
case 1: /* VMMCALL */
|
|
if (!(s->flags & HF_SVME_MASK))
|
|
goto illegal_op;
|
|
tcg_gen_helper_0_0(helper_vmmcall);
|
|
break;
|
|
case 2: /* VMLOAD */
|
|
if (!(s->flags & HF_SVME_MASK) || !s->pe)
|
|
goto illegal_op;
|
|
if (s->cpl != 0) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
break;
|
|
} else {
|
|
tcg_gen_helper_0_1(helper_vmload,
|
|
tcg_const_i32(s->aflag));
|
|
}
|
|
break;
|
|
case 3: /* VMSAVE */
|
|
if (!(s->flags & HF_SVME_MASK) || !s->pe)
|
|
goto illegal_op;
|
|
if (s->cpl != 0) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
break;
|
|
} else {
|
|
tcg_gen_helper_0_1(helper_vmsave,
|
|
tcg_const_i32(s->aflag));
|
|
}
|
|
break;
|
|
case 4: /* STGI */
|
|
if ((!(s->flags & HF_SVME_MASK) &&
|
|
!(s->cpuid_ext3_features & CPUID_EXT3_SKINIT)) ||
|
|
!s->pe)
|
|
goto illegal_op;
|
|
if (s->cpl != 0) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
break;
|
|
} else {
|
|
tcg_gen_helper_0_0(helper_stgi);
|
|
}
|
|
break;
|
|
case 5: /* CLGI */
|
|
if (!(s->flags & HF_SVME_MASK) || !s->pe)
|
|
goto illegal_op;
|
|
if (s->cpl != 0) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
break;
|
|
} else {
|
|
tcg_gen_helper_0_0(helper_clgi);
|
|
}
|
|
break;
|
|
case 6: /* SKINIT */
|
|
if ((!(s->flags & HF_SVME_MASK) &&
|
|
!(s->cpuid_ext3_features & CPUID_EXT3_SKINIT)) ||
|
|
!s->pe)
|
|
goto illegal_op;
|
|
tcg_gen_helper_0_0(helper_skinit);
|
|
break;
|
|
case 7: /* INVLPGA */
|
|
if (!(s->flags & HF_SVME_MASK) || !s->pe)
|
|
goto illegal_op;
|
|
if (s->cpl != 0) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
break;
|
|
} else {
|
|
tcg_gen_helper_0_1(helper_invlpga,
|
|
tcg_const_i32(s->aflag));
|
|
}
|
|
break;
|
|
default:
|
|
goto illegal_op;
|
|
}
|
|
} else if (s->cpl != 0) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
} else {
|
|
gen_svm_check_intercept(s, pc_start,
|
|
op==2 ? SVM_EXIT_GDTR_WRITE : SVM_EXIT_IDTR_WRITE);
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_op_ld_T1_A0(OT_WORD + s->mem_index);
|
|
gen_add_A0_im(s, 2);
|
|
gen_op_ld_T0_A0(CODE64(s) + OT_LONG + s->mem_index);
|
|
if (!s->dflag)
|
|
gen_op_andl_T0_im(0xffffff);
|
|
if (op == 2) {
|
|
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,gdt.base));
|
|
tcg_gen_st32_tl(cpu_T[1], cpu_env, offsetof(CPUX86State,gdt.limit));
|
|
} else {
|
|
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,idt.base));
|
|
tcg_gen_st32_tl(cpu_T[1], cpu_env, offsetof(CPUX86State,idt.limit));
|
|
}
|
|
}
|
|
break;
|
|
case 4: /* smsw */
|
|
gen_svm_check_intercept(s, pc_start, SVM_EXIT_READ_CR0);
|
|
tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,cr[0]));
|
|
gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 1);
|
|
break;
|
|
case 6: /* lmsw */
|
|
if (s->cpl != 0) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
} else {
|
|
gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0);
|
|
gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
|
|
tcg_gen_helper_0_1(helper_lmsw, cpu_T[0]);
|
|
gen_jmp_im(s->pc - s->cs_base);
|
|
gen_eob(s);
|
|
}
|
|
break;
|
|
case 7: /* invlpg */
|
|
if (s->cpl != 0) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
} else {
|
|
if (mod == 3) {
|
|
#ifdef TARGET_X86_64
|
|
if (CODE64(s) && rm == 0) {
|
|
/* swapgs */
|
|
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,segs[R_GS].base));
|
|
tcg_gen_ld_tl(cpu_T[1], cpu_env, offsetof(CPUX86State,kernelgsbase));
|
|
tcg_gen_st_tl(cpu_T[1], cpu_env, offsetof(CPUX86State,segs[R_GS].base));
|
|
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,kernelgsbase));
|
|
} else
|
|
#endif
|
|
{
|
|
goto illegal_op;
|
|
}
|
|
} else {
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
tcg_gen_helper_0_1(helper_invlpg, cpu_A0);
|
|
gen_jmp_im(s->pc - s->cs_base);
|
|
gen_eob(s);
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
goto illegal_op;
|
|
}
|
|
break;
|
|
case 0x108: /* invd */
|
|
case 0x109: /* wbinvd */
|
|
if (s->cpl != 0) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
} else {
|
|
gen_svm_check_intercept(s, pc_start, (b & 2) ? SVM_EXIT_INVD : SVM_EXIT_WBINVD);
|
|
/* nothing to do */
|
|
}
|
|
break;
|
|
case 0x63: /* arpl or movslS (x86_64) */
|
|
#ifdef TARGET_X86_64
|
|
if (CODE64(s)) {
|
|
int d_ot;
|
|
/* d_ot is the size of destination */
|
|
d_ot = dflag + OT_WORD;
|
|
|
|
modrm = ldub_code(s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
mod = (modrm >> 6) & 3;
|
|
rm = (modrm & 7) | REX_B(s);
|
|
|
|
if (mod == 3) {
|
|
gen_op_mov_TN_reg(OT_LONG, 0, rm);
|
|
/* sign extend */
|
|
if (d_ot == OT_QUAD)
|
|
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
|
|
gen_op_mov_reg_T0(d_ot, reg);
|
|
} else {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
if (d_ot == OT_QUAD) {
|
|
gen_op_lds_T0_A0(OT_LONG + s->mem_index);
|
|
} else {
|
|
gen_op_ld_T0_A0(OT_LONG + s->mem_index);
|
|
}
|
|
gen_op_mov_reg_T0(d_ot, reg);
|
|
}
|
|
} else
|
|
#endif
|
|
{
|
|
int label1;
|
|
TCGv t0, t1, t2;
|
|
|
|
if (!s->pe || s->vm86)
|
|
goto illegal_op;
|
|
t0 = tcg_temp_local_new(TCG_TYPE_TL);
|
|
t1 = tcg_temp_local_new(TCG_TYPE_TL);
|
|
t2 = tcg_temp_local_new(TCG_TYPE_TL);
|
|
ot = OT_WORD;
|
|
modrm = ldub_code(s->pc++);
|
|
reg = (modrm >> 3) & 7;
|
|
mod = (modrm >> 6) & 3;
|
|
rm = modrm & 7;
|
|
if (mod != 3) {
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
gen_op_ld_v(ot + s->mem_index, t0, cpu_A0);
|
|
} else {
|
|
gen_op_mov_v_reg(ot, t0, rm);
|
|
}
|
|
gen_op_mov_v_reg(ot, t1, reg);
|
|
tcg_gen_andi_tl(cpu_tmp0, t0, 3);
|
|
tcg_gen_andi_tl(t1, t1, 3);
|
|
tcg_gen_movi_tl(t2, 0);
|
|
label1 = gen_new_label();
|
|
tcg_gen_brcond_tl(TCG_COND_GE, cpu_tmp0, t1, label1);
|
|
tcg_gen_andi_tl(t0, t0, ~3);
|
|
tcg_gen_or_tl(t0, t0, t1);
|
|
tcg_gen_movi_tl(t2, CC_Z);
|
|
gen_set_label(label1);
|
|
if (mod != 3) {
|
|
gen_op_st_v(ot + s->mem_index, t0, cpu_A0);
|
|
} else {
|
|
gen_op_mov_reg_v(ot, rm, t0);
|
|
}
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_compute_eflags(cpu_cc_src);
|
|
tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, ~CC_Z);
|
|
tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, t2);
|
|
s->cc_op = CC_OP_EFLAGS;
|
|
tcg_temp_free(t0);
|
|
tcg_temp_free(t1);
|
|
tcg_temp_free(t2);
|
|
}
|
|
break;
|
|
case 0x102: /* lar */
|
|
case 0x103: /* lsl */
|
|
{
|
|
int label1;
|
|
TCGv t0;
|
|
if (!s->pe || s->vm86)
|
|
goto illegal_op;
|
|
ot = dflag ? OT_LONG : OT_WORD;
|
|
modrm = ldub_code(s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
|
|
t0 = tcg_temp_local_new(TCG_TYPE_TL);
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
if (b == 0x102)
|
|
tcg_gen_helper_1_1(helper_lar, t0, cpu_T[0]);
|
|
else
|
|
tcg_gen_helper_1_1(helper_lsl, t0, cpu_T[0]);
|
|
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_src, CC_Z);
|
|
label1 = gen_new_label();
|
|
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_tmp0, 0, label1);
|
|
gen_op_mov_reg_v(ot, reg, t0);
|
|
gen_set_label(label1);
|
|
s->cc_op = CC_OP_EFLAGS;
|
|
tcg_temp_free(t0);
|
|
}
|
|
break;
|
|
case 0x118:
|
|
modrm = ldub_code(s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
op = (modrm >> 3) & 7;
|
|
switch(op) {
|
|
case 0: /* prefetchnta */
|
|
case 1: /* prefetchnt0 */
|
|
case 2: /* prefetchnt0 */
|
|
case 3: /* prefetchnt0 */
|
|
if (mod == 3)
|
|
goto illegal_op;
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
/* nothing more to do */
|
|
break;
|
|
default: /* nop (multi byte) */
|
|
gen_nop_modrm(s, modrm);
|
|
break;
|
|
}
|
|
break;
|
|
case 0x119 ... 0x11f: /* nop (multi byte) */
|
|
modrm = ldub_code(s->pc++);
|
|
gen_nop_modrm(s, modrm);
|
|
break;
|
|
case 0x120: /* mov reg, crN */
|
|
case 0x122: /* mov crN, reg */
|
|
if (s->cpl != 0) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
} else {
|
|
modrm = ldub_code(s->pc++);
|
|
if ((modrm & 0xc0) != 0xc0)
|
|
goto illegal_op;
|
|
rm = (modrm & 7) | REX_B(s);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
if (CODE64(s))
|
|
ot = OT_QUAD;
|
|
else
|
|
ot = OT_LONG;
|
|
switch(reg) {
|
|
case 0:
|
|
case 2:
|
|
case 3:
|
|
case 4:
|
|
case 8:
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
if (b & 2) {
|
|
gen_op_mov_TN_reg(ot, 0, rm);
|
|
tcg_gen_helper_0_2(helper_write_crN,
|
|
tcg_const_i32(reg), cpu_T[0]);
|
|
gen_jmp_im(s->pc - s->cs_base);
|
|
gen_eob(s);
|
|
} else {
|
|
tcg_gen_helper_1_1(helper_read_crN,
|
|
cpu_T[0], tcg_const_i32(reg));
|
|
gen_op_mov_reg_T0(ot, rm);
|
|
}
|
|
break;
|
|
default:
|
|
goto illegal_op;
|
|
}
|
|
}
|
|
break;
|
|
case 0x121: /* mov reg, drN */
|
|
case 0x123: /* mov drN, reg */
|
|
if (s->cpl != 0) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
} else {
|
|
modrm = ldub_code(s->pc++);
|
|
if ((modrm & 0xc0) != 0xc0)
|
|
goto illegal_op;
|
|
rm = (modrm & 7) | REX_B(s);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
if (CODE64(s))
|
|
ot = OT_QUAD;
|
|
else
|
|
ot = OT_LONG;
|
|
/* XXX: do it dynamically with CR4.DE bit */
|
|
if (reg == 4 || reg == 5 || reg >= 8)
|
|
goto illegal_op;
|
|
if (b & 2) {
|
|
gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_DR0 + reg);
|
|
gen_op_mov_TN_reg(ot, 0, rm);
|
|
tcg_gen_helper_0_2(helper_movl_drN_T0,
|
|
tcg_const_i32(reg), cpu_T[0]);
|
|
gen_jmp_im(s->pc - s->cs_base);
|
|
gen_eob(s);
|
|
} else {
|
|
gen_svm_check_intercept(s, pc_start, SVM_EXIT_READ_DR0 + reg);
|
|
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,dr[reg]));
|
|
gen_op_mov_reg_T0(ot, rm);
|
|
}
|
|
}
|
|
break;
|
|
case 0x106: /* clts */
|
|
if (s->cpl != 0) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
} else {
|
|
gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0);
|
|
tcg_gen_helper_0_0(helper_clts);
|
|
/* abort block because static cpu state changed */
|
|
gen_jmp_im(s->pc - s->cs_base);
|
|
gen_eob(s);
|
|
}
|
|
break;
|
|
/* MMX/3DNow!/SSE/SSE2/SSE3/SSSE3 support */
|
|
case 0x1c3: /* MOVNTI reg, mem */
|
|
if (!(s->cpuid_features & CPUID_SSE2))
|
|
goto illegal_op;
|
|
ot = s->dflag == 2 ? OT_QUAD : OT_LONG;
|
|
modrm = ldub_code(s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
if (mod == 3)
|
|
goto illegal_op;
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
/* generate a generic store */
|
|
gen_ldst_modrm(s, modrm, ot, reg, 1);
|
|
break;
|
|
case 0x1ae:
|
|
modrm = ldub_code(s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
op = (modrm >> 3) & 7;
|
|
switch(op) {
|
|
case 0: /* fxsave */
|
|
if (mod == 3 || !(s->cpuid_features & CPUID_FXSR) ||
|
|
(s->flags & HF_EM_MASK))
|
|
goto illegal_op;
|
|
if (s->flags & HF_TS_MASK) {
|
|
gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
|
|
break;
|
|
}
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_2(helper_fxsave,
|
|
cpu_A0, tcg_const_i32((s->dflag == 2)));
|
|
break;
|
|
case 1: /* fxrstor */
|
|
if (mod == 3 || !(s->cpuid_features & CPUID_FXSR) ||
|
|
(s->flags & HF_EM_MASK))
|
|
goto illegal_op;
|
|
if (s->flags & HF_TS_MASK) {
|
|
gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
|
|
break;
|
|
}
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
if (s->cc_op != CC_OP_DYNAMIC)
|
|
gen_op_set_cc_op(s->cc_op);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_helper_0_2(helper_fxrstor,
|
|
cpu_A0, tcg_const_i32((s->dflag == 2)));
|
|
break;
|
|
case 2: /* ldmxcsr */
|
|
case 3: /* stmxcsr */
|
|
if (s->flags & HF_TS_MASK) {
|
|
gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
|
|
break;
|
|
}
|
|
if ((s->flags & HF_EM_MASK) || !(s->flags & HF_OSFXSR_MASK) ||
|
|
mod == 3)
|
|
goto illegal_op;
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
if (op == 2) {
|
|
gen_op_ld_T0_A0(OT_LONG + s->mem_index);
|
|
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, mxcsr));
|
|
} else {
|
|
tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, mxcsr));
|
|
gen_op_st_T0_A0(OT_LONG + s->mem_index);
|
|
}
|
|
break;
|
|
case 5: /* lfence */
|
|
case 6: /* mfence */
|
|
if ((modrm & 0xc7) != 0xc0 || !(s->cpuid_features & CPUID_SSE))
|
|
goto illegal_op;
|
|
break;
|
|
case 7: /* sfence / clflush */
|
|
if ((modrm & 0xc7) == 0xc0) {
|
|
/* sfence */
|
|
/* XXX: also check for cpuid_ext2_features & CPUID_EXT2_EMMX */
|
|
if (!(s->cpuid_features & CPUID_SSE))
|
|
goto illegal_op;
|
|
} else {
|
|
/* clflush */
|
|
if (!(s->cpuid_features & CPUID_CLFLUSH))
|
|
goto illegal_op;
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
}
|
|
break;
|
|
default:
|
|
goto illegal_op;
|
|
}
|
|
break;
|
|
case 0x10d: /* 3DNow! prefetch(w) */
|
|
modrm = ldub_code(s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
if (mod == 3)
|
|
goto illegal_op;
|
|
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
|
|
/* ignore for now */
|
|
break;
|
|
case 0x1aa: /* rsm */
|
|
gen_svm_check_intercept(s, pc_start, SVM_EXIT_RSM);
|
|
if (!(s->flags & HF_SMM_MASK))
|
|
goto illegal_op;
|
|
if (s->cc_op != CC_OP_DYNAMIC) {
|
|
gen_op_set_cc_op(s->cc_op);
|
|
s->cc_op = CC_OP_DYNAMIC;
|
|
}
|
|
gen_jmp_im(s->pc - s->cs_base);
|
|
tcg_gen_helper_0_0(helper_rsm);
|
|
gen_eob(s);
|
|
break;
|
|
case 0x10e ... 0x10f:
|
|
/* 3DNow! instructions, ignore prefixes */
|
|
s->prefix &= ~(PREFIX_REPZ | PREFIX_REPNZ | PREFIX_DATA);
|
|
case 0x110 ... 0x117:
|
|
case 0x128 ... 0x12f:
|
|
case 0x138 ... 0x13a:
|
|
case 0x150 ... 0x177:
|
|
case 0x17c ... 0x17f:
|
|
case 0x1c2:
|
|
case 0x1c4 ... 0x1c6:
|
|
case 0x1d0 ... 0x1fe:
|
|
gen_sse(s, b, pc_start, rex_r);
|
|
break;
|
|
default:
|
|
goto illegal_op;
|
|
}
|
|
/* lock generation */
|
|
if (s->prefix & PREFIX_LOCK)
|
|
tcg_gen_helper_0_0(helper_unlock);
|
|
return s->pc;
|
|
illegal_op:
|
|
if (s->prefix & PREFIX_LOCK)
|
|
tcg_gen_helper_0_0(helper_unlock);
|
|
/* XXX: ensure that no lock was generated */
|
|
gen_exception(s, EXCP06_ILLOP, pc_start - s->cs_base);
|
|
return s->pc;
|
|
}
|
|
|
|
void optimize_flags_init(void)
|
|
{
|
|
#if TCG_TARGET_REG_BITS == 32
|
|
assert(sizeof(CCTable) == (1 << 3));
|
|
#else
|
|
assert(sizeof(CCTable) == (1 << 4));
|
|
#endif
|
|
cpu_env = tcg_global_reg_new(TCG_TYPE_PTR, TCG_AREG0, "env");
|
|
cpu_cc_op = tcg_global_mem_new(TCG_TYPE_I32,
|
|
TCG_AREG0, offsetof(CPUState, cc_op), "cc_op");
|
|
cpu_cc_src = tcg_global_mem_new(TCG_TYPE_TL,
|
|
TCG_AREG0, offsetof(CPUState, cc_src), "cc_src");
|
|
cpu_cc_dst = tcg_global_mem_new(TCG_TYPE_TL,
|
|
TCG_AREG0, offsetof(CPUState, cc_dst), "cc_dst");
|
|
cpu_cc_tmp = tcg_global_mem_new(TCG_TYPE_TL,
|
|
TCG_AREG0, offsetof(CPUState, cc_tmp), "cc_tmp");
|
|
|
|
/* register helpers */
|
|
|
|
#define DEF_HELPER(ret, name, params) tcg_register_helper(name, #name);
|
|
#include "helper.h"
|
|
}
|
|
|
|
/* generate intermediate code in gen_opc_buf and gen_opparam_buf for
|
|
basic block 'tb'. If search_pc is TRUE, also generate PC
|
|
information for each intermediate instruction. */
|
|
static inline void gen_intermediate_code_internal(CPUState *env,
|
|
TranslationBlock *tb,
|
|
int search_pc)
|
|
{
|
|
DisasContext dc1, *dc = &dc1;
|
|
target_ulong pc_ptr;
|
|
uint16_t *gen_opc_end;
|
|
int j, lj, cflags;
|
|
uint64_t flags;
|
|
target_ulong pc_start;
|
|
target_ulong cs_base;
|
|
int num_insns;
|
|
int max_insns;
|
|
|
|
/* generate intermediate code */
|
|
pc_start = tb->pc;
|
|
cs_base = tb->cs_base;
|
|
flags = tb->flags;
|
|
cflags = tb->cflags;
|
|
|
|
dc->pe = (flags >> HF_PE_SHIFT) & 1;
|
|
dc->code32 = (flags >> HF_CS32_SHIFT) & 1;
|
|
dc->ss32 = (flags >> HF_SS32_SHIFT) & 1;
|
|
dc->addseg = (flags >> HF_ADDSEG_SHIFT) & 1;
|
|
dc->f_st = 0;
|
|
dc->vm86 = (flags >> VM_SHIFT) & 1;
|
|
dc->cpl = (flags >> HF_CPL_SHIFT) & 3;
|
|
dc->iopl = (flags >> IOPL_SHIFT) & 3;
|
|
dc->tf = (flags >> TF_SHIFT) & 1;
|
|
dc->singlestep_enabled = env->singlestep_enabled;
|
|
dc->cc_op = CC_OP_DYNAMIC;
|
|
dc->cs_base = cs_base;
|
|
dc->tb = tb;
|
|
dc->popl_esp_hack = 0;
|
|
/* select memory access functions */
|
|
dc->mem_index = 0;
|
|
if (flags & HF_SOFTMMU_MASK) {
|
|
if (dc->cpl == 3)
|
|
dc->mem_index = 2 * 4;
|
|
else
|
|
dc->mem_index = 1 * 4;
|
|
}
|
|
dc->cpuid_features = env->cpuid_features;
|
|
dc->cpuid_ext_features = env->cpuid_ext_features;
|
|
dc->cpuid_ext2_features = env->cpuid_ext2_features;
|
|
dc->cpuid_ext3_features = env->cpuid_ext3_features;
|
|
#ifdef TARGET_X86_64
|
|
dc->lma = (flags >> HF_LMA_SHIFT) & 1;
|
|
dc->code64 = (flags >> HF_CS64_SHIFT) & 1;
|
|
#endif
|
|
dc->flags = flags;
|
|
dc->jmp_opt = !(dc->tf || env->singlestep_enabled ||
|
|
(flags & HF_INHIBIT_IRQ_MASK)
|
|
#ifndef CONFIG_SOFTMMU
|
|
|| (flags & HF_SOFTMMU_MASK)
|
|
#endif
|
|
);
|
|
#if 0
|
|
/* check addseg logic */
|
|
if (!dc->addseg && (dc->vm86 || !dc->pe || !dc->code32))
|
|
printf("ERROR addseg\n");
|
|
#endif
|
|
|
|
cpu_T[0] = tcg_temp_new(TCG_TYPE_TL);
|
|
cpu_T[1] = tcg_temp_new(TCG_TYPE_TL);
|
|
cpu_A0 = tcg_temp_new(TCG_TYPE_TL);
|
|
cpu_T3 = tcg_temp_new(TCG_TYPE_TL);
|
|
|
|
cpu_tmp0 = tcg_temp_new(TCG_TYPE_TL);
|
|
cpu_tmp1_i64 = tcg_temp_new(TCG_TYPE_I64);
|
|
cpu_tmp2_i32 = tcg_temp_new(TCG_TYPE_I32);
|
|
cpu_tmp3_i32 = tcg_temp_new(TCG_TYPE_I32);
|
|
cpu_tmp4 = tcg_temp_new(TCG_TYPE_TL);
|
|
cpu_tmp5 = tcg_temp_new(TCG_TYPE_TL);
|
|
cpu_tmp6 = tcg_temp_new(TCG_TYPE_TL);
|
|
cpu_ptr0 = tcg_temp_new(TCG_TYPE_PTR);
|
|
cpu_ptr1 = tcg_temp_new(TCG_TYPE_PTR);
|
|
|
|
gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
|
|
|
|
dc->is_jmp = DISAS_NEXT;
|
|
pc_ptr = pc_start;
|
|
lj = -1;
|
|
num_insns = 0;
|
|
max_insns = tb->cflags & CF_COUNT_MASK;
|
|
if (max_insns == 0)
|
|
max_insns = CF_COUNT_MASK;
|
|
|
|
gen_icount_start();
|
|
for(;;) {
|
|
if (env->nb_breakpoints > 0) {
|
|
for(j = 0; j < env->nb_breakpoints; j++) {
|
|
if (env->breakpoints[j] == pc_ptr) {
|
|
gen_debug(dc, pc_ptr - dc->cs_base);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (search_pc) {
|
|
j = gen_opc_ptr - gen_opc_buf;
|
|
if (lj < j) {
|
|
lj++;
|
|
while (lj < j)
|
|
gen_opc_instr_start[lj++] = 0;
|
|
}
|
|
gen_opc_pc[lj] = pc_ptr;
|
|
gen_opc_cc_op[lj] = dc->cc_op;
|
|
gen_opc_instr_start[lj] = 1;
|
|
gen_opc_icount[lj] = num_insns;
|
|
}
|
|
if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO))
|
|
gen_io_start();
|
|
|
|
pc_ptr = disas_insn(dc, pc_ptr);
|
|
num_insns++;
|
|
/* stop translation if indicated */
|
|
if (dc->is_jmp)
|
|
break;
|
|
/* if single step mode, we generate only one instruction and
|
|
generate an exception */
|
|
/* if irq were inhibited with HF_INHIBIT_IRQ_MASK, we clear
|
|
the flag and abort the translation to give the irqs a
|
|
change to be happen */
|
|
if (dc->tf || dc->singlestep_enabled ||
|
|
(flags & HF_INHIBIT_IRQ_MASK)) {
|
|
gen_jmp_im(pc_ptr - dc->cs_base);
|
|
gen_eob(dc);
|
|
break;
|
|
}
|
|
/* if too long translation, stop generation too */
|
|
if (gen_opc_ptr >= gen_opc_end ||
|
|
(pc_ptr - pc_start) >= (TARGET_PAGE_SIZE - 32) ||
|
|
num_insns >= max_insns) {
|
|
gen_jmp_im(pc_ptr - dc->cs_base);
|
|
gen_eob(dc);
|
|
break;
|
|
}
|
|
}
|
|
if (tb->cflags & CF_LAST_IO)
|
|
gen_io_end();
|
|
gen_icount_end(tb, num_insns);
|
|
*gen_opc_ptr = INDEX_op_end;
|
|
/* we don't forget to fill the last values */
|
|
if (search_pc) {
|
|
j = gen_opc_ptr - gen_opc_buf;
|
|
lj++;
|
|
while (lj <= j)
|
|
gen_opc_instr_start[lj++] = 0;
|
|
}
|
|
|
|
#ifdef DEBUG_DISAS
|
|
if (loglevel & CPU_LOG_TB_CPU) {
|
|
cpu_dump_state(env, logfile, fprintf, X86_DUMP_CCOP);
|
|
}
|
|
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
|
int disas_flags;
|
|
fprintf(logfile, "----------------\n");
|
|
fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
|
|
#ifdef TARGET_X86_64
|
|
if (dc->code64)
|
|
disas_flags = 2;
|
|
else
|
|
#endif
|
|
disas_flags = !dc->code32;
|
|
target_disas(logfile, pc_start, pc_ptr - pc_start, disas_flags);
|
|
fprintf(logfile, "\n");
|
|
}
|
|
#endif
|
|
|
|
if (!search_pc) {
|
|
tb->size = pc_ptr - pc_start;
|
|
tb->icount = num_insns;
|
|
}
|
|
}
|
|
|
|
void gen_intermediate_code(CPUState *env, TranslationBlock *tb)
|
|
{
|
|
gen_intermediate_code_internal(env, tb, 0);
|
|
}
|
|
|
|
void gen_intermediate_code_pc(CPUState *env, TranslationBlock *tb)
|
|
{
|
|
gen_intermediate_code_internal(env, tb, 1);
|
|
}
|
|
|
|
void gen_pc_load(CPUState *env, TranslationBlock *tb,
|
|
unsigned long searched_pc, int pc_pos, void *puc)
|
|
{
|
|
int cc_op;
|
|
#ifdef DEBUG_DISAS
|
|
if (loglevel & CPU_LOG_TB_OP) {
|
|
int i;
|
|
fprintf(logfile, "RESTORE:\n");
|
|
for(i = 0;i <= pc_pos; i++) {
|
|
if (gen_opc_instr_start[i]) {
|
|
fprintf(logfile, "0x%04x: " TARGET_FMT_lx "\n", i, gen_opc_pc[i]);
|
|
}
|
|
}
|
|
fprintf(logfile, "spc=0x%08lx pc_pos=0x%x eip=" TARGET_FMT_lx " cs_base=%x\n",
|
|
searched_pc, pc_pos, gen_opc_pc[pc_pos] - tb->cs_base,
|
|
(uint32_t)tb->cs_base);
|
|
}
|
|
#endif
|
|
env->eip = gen_opc_pc[pc_pos] - tb->cs_base;
|
|
cc_op = gen_opc_cc_op[pc_pos];
|
|
if (cc_op != CC_OP_DYNAMIC)
|
|
env->cc_op = cc_op;
|
|
}
|