620abfb004
This was found with test-i386. The issue is that instructions
such as
addr32 lea (%eax), %rax
did not perform a 32-bit extension, because the LEA translation
skipped the gen_lea_v_seg step. That step does not just add
segments, it also takes care of extending from address size to
pointer size.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
8391 lines
283 KiB
C
8391 lines
283 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, see <http://www.gnu.org/licenses/>.
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*/
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#include "qemu/osdep.h"
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#include "qemu/host-utils.h"
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#include "cpu.h"
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#include "disas/disas.h"
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#include "exec/exec-all.h"
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#include "tcg-op.h"
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#include "exec/cpu_ldst.h"
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#include "exec/helper-proto.h"
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#include "exec/helper-gen.h"
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#include "trace-tcg.h"
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#include "exec/log.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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#define PREFIX_VEX 0x20
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#ifdef TARGET_X86_64
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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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#else
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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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#ifdef TARGET_X86_64
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# define ctztl ctz64
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# define clztl clz64
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#else
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# define ctztl ctz32
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# define clztl clz32
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#endif
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/* For a switch indexed by MODRM, match all memory operands for a given OP. */
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#define CASE_MODRM_MEM_OP(OP) \
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case (0 << 6) | (OP << 3) | 0 ... (0 << 6) | (OP << 3) | 7: \
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case (1 << 6) | (OP << 3) | 0 ... (1 << 6) | (OP << 3) | 7: \
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case (2 << 6) | (OP << 3) | 0 ... (2 << 6) | (OP << 3) | 7
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#define CASE_MODRM_OP(OP) \
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case (0 << 6) | (OP << 3) | 0 ... (0 << 6) | (OP << 3) | 7: \
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case (1 << 6) | (OP << 3) | 0 ... (1 << 6) | (OP << 3) | 7: \
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case (2 << 6) | (OP << 3) | 0 ... (2 << 6) | (OP << 3) | 7: \
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case (3 << 6) | (OP << 3) | 0 ... (3 << 6) | (OP << 3) | 7
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//#define MACRO_TEST 1
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/* global register indexes */
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static TCGv_env cpu_env;
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static TCGv cpu_A0;
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static TCGv cpu_cc_dst, cpu_cc_src, cpu_cc_src2, cpu_cc_srcT;
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static TCGv_i32 cpu_cc_op;
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static TCGv cpu_regs[CPU_NB_REGS];
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static TCGv cpu_seg_base[6];
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static TCGv_i64 cpu_bndl[4];
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static TCGv_i64 cpu_bndu[4];
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/* local temps */
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static TCGv cpu_T0, cpu_T1;
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/* local register indexes (only used inside old micro ops) */
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static TCGv cpu_tmp0, cpu_tmp4;
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static TCGv_ptr cpu_ptr0, cpu_ptr1;
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static TCGv_i32 cpu_tmp2_i32, cpu_tmp3_i32;
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static TCGv_i64 cpu_tmp1_i64;
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#include "exec/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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TCGMemOp aflag;
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TCGMemOp dflag;
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target_ulong pc_start;
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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 vex_l; /* vex vector length */
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int vex_v; /* vex vvvv register, without 1's compliment. */
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int ss32; /* 32 bit stack segment */
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CCOp cc_op; /* current CC operation */
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bool cc_op_dirty;
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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 repz_opt; /* optimize jumps within repz instructions */
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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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int cpuid_7_0_ebx_features;
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int cpuid_xsave_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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static void gen_op(DisasContext *s1, int op, TCGMemOp ot, int d);
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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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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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enum {
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USES_CC_DST = 1,
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USES_CC_SRC = 2,
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USES_CC_SRC2 = 4,
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USES_CC_SRCT = 8,
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};
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/* Bit set if the global variable is live after setting CC_OP to X. */
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static const uint8_t cc_op_live[CC_OP_NB] = {
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[CC_OP_DYNAMIC] = USES_CC_DST | USES_CC_SRC | USES_CC_SRC2,
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[CC_OP_EFLAGS] = USES_CC_SRC,
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[CC_OP_MULB ... CC_OP_MULQ] = USES_CC_DST | USES_CC_SRC,
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[CC_OP_ADDB ... CC_OP_ADDQ] = USES_CC_DST | USES_CC_SRC,
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[CC_OP_ADCB ... CC_OP_ADCQ] = USES_CC_DST | USES_CC_SRC | USES_CC_SRC2,
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[CC_OP_SUBB ... CC_OP_SUBQ] = USES_CC_DST | USES_CC_SRC | USES_CC_SRCT,
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[CC_OP_SBBB ... CC_OP_SBBQ] = USES_CC_DST | USES_CC_SRC | USES_CC_SRC2,
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[CC_OP_LOGICB ... CC_OP_LOGICQ] = USES_CC_DST,
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[CC_OP_INCB ... CC_OP_INCQ] = USES_CC_DST | USES_CC_SRC,
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[CC_OP_DECB ... CC_OP_DECQ] = USES_CC_DST | USES_CC_SRC,
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[CC_OP_SHLB ... CC_OP_SHLQ] = USES_CC_DST | USES_CC_SRC,
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[CC_OP_SARB ... CC_OP_SARQ] = USES_CC_DST | USES_CC_SRC,
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[CC_OP_BMILGB ... CC_OP_BMILGQ] = USES_CC_DST | USES_CC_SRC,
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[CC_OP_ADCX] = USES_CC_DST | USES_CC_SRC,
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[CC_OP_ADOX] = USES_CC_SRC | USES_CC_SRC2,
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[CC_OP_ADCOX] = USES_CC_DST | USES_CC_SRC | USES_CC_SRC2,
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[CC_OP_CLR] = 0,
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};
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static void set_cc_op(DisasContext *s, CCOp op)
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{
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int dead;
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if (s->cc_op == op) {
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return;
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}
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/* Discard CC computation that will no longer be used. */
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dead = cc_op_live[s->cc_op] & ~cc_op_live[op];
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if (dead & USES_CC_DST) {
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tcg_gen_discard_tl(cpu_cc_dst);
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}
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if (dead & USES_CC_SRC) {
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tcg_gen_discard_tl(cpu_cc_src);
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}
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if (dead & USES_CC_SRC2) {
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tcg_gen_discard_tl(cpu_cc_src2);
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}
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if (dead & USES_CC_SRCT) {
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tcg_gen_discard_tl(cpu_cc_srcT);
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}
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if (op == CC_OP_DYNAMIC) {
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/* The DYNAMIC setting is translator only, and should never be
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stored. Thus we always consider it clean. */
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s->cc_op_dirty = false;
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} else {
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/* Discard any computed CC_OP value (see shifts). */
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if (s->cc_op == CC_OP_DYNAMIC) {
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tcg_gen_discard_i32(cpu_cc_op);
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}
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s->cc_op_dirty = true;
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}
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s->cc_op = op;
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}
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static void gen_update_cc_op(DisasContext *s)
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{
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if (s->cc_op_dirty) {
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tcg_gen_movi_i32(cpu_cc_op, s->cc_op);
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s->cc_op_dirty = false;
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}
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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(HOST_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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/* In instruction encodings for byte register accesses the
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* register number usually indicates "low 8 bits of register N";
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* however there are some special cases where N 4..7 indicates
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* [AH, CH, DH, BH], ie "bits 15..8 of register N-4". Return
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* true for this special case, false otherwise.
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*/
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static inline bool byte_reg_is_xH(int reg)
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{
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if (reg < 4) {
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return false;
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}
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#ifdef TARGET_X86_64
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if (reg >= 8 || x86_64_hregs) {
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return false;
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}
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#endif
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return true;
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}
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/* Select the size of a push/pop operation. */
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static inline TCGMemOp mo_pushpop(DisasContext *s, TCGMemOp ot)
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{
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if (CODE64(s)) {
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return ot == MO_16 ? MO_16 : MO_64;
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} else {
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return ot;
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}
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}
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/* Select the size of the stack pointer. */
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static inline TCGMemOp mo_stacksize(DisasContext *s)
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{
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return CODE64(s) ? MO_64 : s->ss32 ? MO_32 : MO_16;
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}
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/* Select only size 64 else 32. Used for SSE operand sizes. */
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static inline TCGMemOp mo_64_32(TCGMemOp ot)
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{
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#ifdef TARGET_X86_64
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return ot == MO_64 ? MO_64 : MO_32;
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#else
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return MO_32;
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#endif
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}
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/* Select size 8 if lsb of B is clear, else OT. Used for decoding
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byte vs word opcodes. */
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static inline TCGMemOp mo_b_d(int b, TCGMemOp ot)
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{
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return b & 1 ? ot : MO_8;
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}
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/* Select size 8 if lsb of B is clear, else OT capped at 32.
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Used for decoding operand size of port opcodes. */
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static inline TCGMemOp mo_b_d32(int b, TCGMemOp ot)
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{
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return b & 1 ? (ot == MO_16 ? MO_16 : MO_32) : MO_8;
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}
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static void gen_op_mov_reg_v(TCGMemOp ot, int reg, TCGv t0)
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{
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switch(ot) {
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case MO_8:
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if (!byte_reg_is_xH(reg)) {
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tcg_gen_deposit_tl(cpu_regs[reg], cpu_regs[reg], t0, 0, 8);
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} else {
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tcg_gen_deposit_tl(cpu_regs[reg - 4], cpu_regs[reg - 4], t0, 8, 8);
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}
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break;
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case MO_16:
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tcg_gen_deposit_tl(cpu_regs[reg], cpu_regs[reg], t0, 0, 16);
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break;
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case MO_32:
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/* For x86_64, this sets the higher half of register to zero.
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For i386, this is equivalent to a mov. */
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tcg_gen_ext32u_tl(cpu_regs[reg], t0);
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break;
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#ifdef TARGET_X86_64
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case MO_64:
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tcg_gen_mov_tl(cpu_regs[reg], t0);
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break;
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#endif
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default:
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tcg_abort();
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}
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}
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static inline void gen_op_mov_v_reg(TCGMemOp ot, TCGv t0, int reg)
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{
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if (ot == MO_8 && byte_reg_is_xH(reg)) {
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tcg_gen_shri_tl(t0, cpu_regs[reg - 4], 8);
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tcg_gen_ext8u_tl(t0, t0);
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} else {
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tcg_gen_mov_tl(t0, cpu_regs[reg]);
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}
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}
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static void gen_add_A0_im(DisasContext *s, int val)
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{
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tcg_gen_addi_tl(cpu_A0, cpu_A0, val);
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if (!CODE64(s)) {
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tcg_gen_ext32u_tl(cpu_A0, cpu_A0);
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}
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}
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|
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static inline void gen_op_jmp_v(TCGv dest)
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{
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tcg_gen_st_tl(dest, cpu_env, offsetof(CPUX86State, eip));
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}
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|
|
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static inline void gen_op_add_reg_im(TCGMemOp size, int reg, int32_t val)
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{
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tcg_gen_addi_tl(cpu_tmp0, cpu_regs[reg], val);
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gen_op_mov_reg_v(size, reg, cpu_tmp0);
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}
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|
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static inline void gen_op_add_reg_T0(TCGMemOp size, int reg)
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{
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tcg_gen_add_tl(cpu_tmp0, cpu_regs[reg], cpu_T0);
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gen_op_mov_reg_v(size, reg, cpu_tmp0);
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}
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|
|
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static inline void gen_op_ld_v(DisasContext *s, int idx, TCGv t0, TCGv a0)
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{
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tcg_gen_qemu_ld_tl(t0, a0, s->mem_index, idx | MO_LE);
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}
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|
|
|
static inline void gen_op_st_v(DisasContext *s, int idx, TCGv t0, TCGv a0)
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|
{
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tcg_gen_qemu_st_tl(t0, a0, s->mem_index, idx | MO_LE);
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}
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|
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|
static inline void gen_op_st_rm_T0_A0(DisasContext *s, int idx, int d)
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|
{
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if (d == OR_TMP0) {
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gen_op_st_v(s, idx, cpu_T0, cpu_A0);
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} else {
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gen_op_mov_reg_v(idx, d, cpu_T0);
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}
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}
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static inline void gen_jmp_im(target_ulong pc)
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{
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tcg_gen_movi_tl(cpu_tmp0, pc);
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gen_op_jmp_v(cpu_tmp0);
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}
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/* Compute SEG:REG into A0. SEG is selected from the override segment
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|
(OVR_SEG) and the default segment (DEF_SEG). OVR_SEG may be -1 to
|
|
indicate no override. */
|
|
static void gen_lea_v_seg(DisasContext *s, TCGMemOp aflag, TCGv a0,
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int def_seg, int ovr_seg)
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|
{
|
|
switch (aflag) {
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|
#ifdef TARGET_X86_64
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case MO_64:
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if (ovr_seg < 0) {
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tcg_gen_mov_tl(cpu_A0, a0);
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return;
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}
|
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break;
|
|
#endif
|
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case MO_32:
|
|
/* 32 bit address */
|
|
if (ovr_seg < 0 && s->addseg) {
|
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ovr_seg = def_seg;
|
|
}
|
|
if (ovr_seg < 0) {
|
|
tcg_gen_ext32u_tl(cpu_A0, a0);
|
|
return;
|
|
}
|
|
break;
|
|
case MO_16:
|
|
/* 16 bit address */
|
|
tcg_gen_ext16u_tl(cpu_A0, a0);
|
|
a0 = cpu_A0;
|
|
if (ovr_seg < 0) {
|
|
if (s->addseg) {
|
|
ovr_seg = def_seg;
|
|
} else {
|
|
return;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
tcg_abort();
|
|
}
|
|
|
|
if (ovr_seg >= 0) {
|
|
TCGv seg = cpu_seg_base[ovr_seg];
|
|
|
|
if (aflag == MO_64) {
|
|
tcg_gen_add_tl(cpu_A0, a0, seg);
|
|
} else if (CODE64(s)) {
|
|
tcg_gen_ext32u_tl(cpu_A0, a0);
|
|
tcg_gen_add_tl(cpu_A0, cpu_A0, seg);
|
|
} else {
|
|
tcg_gen_add_tl(cpu_A0, a0, seg);
|
|
tcg_gen_ext32u_tl(cpu_A0, cpu_A0);
|
|
}
|
|
}
|
|
}
|
|
|
|
static inline void gen_string_movl_A0_ESI(DisasContext *s)
|
|
{
|
|
gen_lea_v_seg(s, s->aflag, cpu_regs[R_ESI], R_DS, s->override);
|
|
}
|
|
|
|
static inline void gen_string_movl_A0_EDI(DisasContext *s)
|
|
{
|
|
gen_lea_v_seg(s, s->aflag, cpu_regs[R_EDI], R_ES, -1);
|
|
}
|
|
|
|
static inline void gen_op_movl_T0_Dshift(TCGMemOp ot)
|
|
{
|
|
tcg_gen_ld32s_tl(cpu_T0, cpu_env, offsetof(CPUX86State, df));
|
|
tcg_gen_shli_tl(cpu_T0, cpu_T0, ot);
|
|
};
|
|
|
|
static TCGv gen_ext_tl(TCGv dst, TCGv src, TCGMemOp size, bool sign)
|
|
{
|
|
switch (size) {
|
|
case MO_8:
|
|
if (sign) {
|
|
tcg_gen_ext8s_tl(dst, src);
|
|
} else {
|
|
tcg_gen_ext8u_tl(dst, src);
|
|
}
|
|
return dst;
|
|
case MO_16:
|
|
if (sign) {
|
|
tcg_gen_ext16s_tl(dst, src);
|
|
} else {
|
|
tcg_gen_ext16u_tl(dst, src);
|
|
}
|
|
return dst;
|
|
#ifdef TARGET_X86_64
|
|
case MO_32:
|
|
if (sign) {
|
|
tcg_gen_ext32s_tl(dst, src);
|
|
} else {
|
|
tcg_gen_ext32u_tl(dst, src);
|
|
}
|
|
return dst;
|
|
#endif
|
|
default:
|
|
return src;
|
|
}
|
|
}
|
|
|
|
static void gen_extu(TCGMemOp ot, TCGv reg)
|
|
{
|
|
gen_ext_tl(reg, reg, ot, false);
|
|
}
|
|
|
|
static void gen_exts(TCGMemOp ot, TCGv reg)
|
|
{
|
|
gen_ext_tl(reg, reg, ot, true);
|
|
}
|
|
|
|
static inline void gen_op_jnz_ecx(TCGMemOp size, TCGLabel *label1)
|
|
{
|
|
tcg_gen_mov_tl(cpu_tmp0, cpu_regs[R_ECX]);
|
|
gen_extu(size, cpu_tmp0);
|
|
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_tmp0, 0, label1);
|
|
}
|
|
|
|
static inline void gen_op_jz_ecx(TCGMemOp size, TCGLabel *label1)
|
|
{
|
|
tcg_gen_mov_tl(cpu_tmp0, cpu_regs[R_ECX]);
|
|
gen_extu(size, cpu_tmp0);
|
|
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_tmp0, 0, label1);
|
|
}
|
|
|
|
static void gen_helper_in_func(TCGMemOp ot, TCGv v, TCGv_i32 n)
|
|
{
|
|
switch (ot) {
|
|
case MO_8:
|
|
gen_helper_inb(v, cpu_env, n);
|
|
break;
|
|
case MO_16:
|
|
gen_helper_inw(v, cpu_env, n);
|
|
break;
|
|
case MO_32:
|
|
gen_helper_inl(v, cpu_env, n);
|
|
break;
|
|
default:
|
|
tcg_abort();
|
|
}
|
|
}
|
|
|
|
static void gen_helper_out_func(TCGMemOp ot, TCGv_i32 v, TCGv_i32 n)
|
|
{
|
|
switch (ot) {
|
|
case MO_8:
|
|
gen_helper_outb(cpu_env, v, n);
|
|
break;
|
|
case MO_16:
|
|
gen_helper_outw(cpu_env, v, n);
|
|
break;
|
|
case MO_32:
|
|
gen_helper_outl(cpu_env, v, n);
|
|
break;
|
|
default:
|
|
tcg_abort();
|
|
}
|
|
}
|
|
|
|
static void gen_check_io(DisasContext *s, TCGMemOp ot, target_ulong cur_eip,
|
|
uint32_t svm_flags)
|
|
{
|
|
target_ulong next_eip;
|
|
|
|
if (s->pe && (s->cpl > s->iopl || s->vm86)) {
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
|
|
switch (ot) {
|
|
case MO_8:
|
|
gen_helper_check_iob(cpu_env, cpu_tmp2_i32);
|
|
break;
|
|
case MO_16:
|
|
gen_helper_check_iow(cpu_env, cpu_tmp2_i32);
|
|
break;
|
|
case MO_32:
|
|
gen_helper_check_iol(cpu_env, cpu_tmp2_i32);
|
|
break;
|
|
default:
|
|
tcg_abort();
|
|
}
|
|
}
|
|
if(s->flags & HF_SVMI_MASK) {
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(cur_eip);
|
|
svm_flags |= (1 << (4 + ot));
|
|
next_eip = s->pc - s->cs_base;
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
|
|
gen_helper_svm_check_io(cpu_env, cpu_tmp2_i32,
|
|
tcg_const_i32(svm_flags),
|
|
tcg_const_i32(next_eip - cur_eip));
|
|
}
|
|
}
|
|
|
|
static inline void gen_movs(DisasContext *s, TCGMemOp ot)
|
|
{
|
|
gen_string_movl_A0_ESI(s);
|
|
gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
|
|
gen_string_movl_A0_EDI(s);
|
|
gen_op_st_v(s, ot, cpu_T0, cpu_A0);
|
|
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 void gen_op_update1_cc(void)
|
|
{
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T0);
|
|
}
|
|
|
|
static void gen_op_update2_cc(void)
|
|
{
|
|
tcg_gen_mov_tl(cpu_cc_src, cpu_T1);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T0);
|
|
}
|
|
|
|
static void gen_op_update3_cc(TCGv reg)
|
|
{
|
|
tcg_gen_mov_tl(cpu_cc_src2, reg);
|
|
tcg_gen_mov_tl(cpu_cc_src, cpu_T1);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T0);
|
|
}
|
|
|
|
static inline void gen_op_testl_T0_T1_cc(void)
|
|
{
|
|
tcg_gen_and_tl(cpu_cc_dst, cpu_T0, cpu_T1);
|
|
}
|
|
|
|
static void gen_op_update_neg_cc(void)
|
|
{
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T0);
|
|
tcg_gen_neg_tl(cpu_cc_src, cpu_T0);
|
|
tcg_gen_movi_tl(cpu_cc_srcT, 0);
|
|
}
|
|
|
|
/* compute all eflags to cc_src */
|
|
static void gen_compute_eflags(DisasContext *s)
|
|
{
|
|
TCGv zero, dst, src1, src2;
|
|
int live, dead;
|
|
|
|
if (s->cc_op == CC_OP_EFLAGS) {
|
|
return;
|
|
}
|
|
if (s->cc_op == CC_OP_CLR) {
|
|
tcg_gen_movi_tl(cpu_cc_src, CC_Z | CC_P);
|
|
set_cc_op(s, CC_OP_EFLAGS);
|
|
return;
|
|
}
|
|
|
|
TCGV_UNUSED(zero);
|
|
dst = cpu_cc_dst;
|
|
src1 = cpu_cc_src;
|
|
src2 = cpu_cc_src2;
|
|
|
|
/* Take care to not read values that are not live. */
|
|
live = cc_op_live[s->cc_op] & ~USES_CC_SRCT;
|
|
dead = live ^ (USES_CC_DST | USES_CC_SRC | USES_CC_SRC2);
|
|
if (dead) {
|
|
zero = tcg_const_tl(0);
|
|
if (dead & USES_CC_DST) {
|
|
dst = zero;
|
|
}
|
|
if (dead & USES_CC_SRC) {
|
|
src1 = zero;
|
|
}
|
|
if (dead & USES_CC_SRC2) {
|
|
src2 = zero;
|
|
}
|
|
}
|
|
|
|
gen_update_cc_op(s);
|
|
gen_helper_cc_compute_all(cpu_cc_src, dst, src1, src2, cpu_cc_op);
|
|
set_cc_op(s, CC_OP_EFLAGS);
|
|
|
|
if (dead) {
|
|
tcg_temp_free(zero);
|
|
}
|
|
}
|
|
|
|
typedef struct CCPrepare {
|
|
TCGCond cond;
|
|
TCGv reg;
|
|
TCGv reg2;
|
|
target_ulong imm;
|
|
target_ulong mask;
|
|
bool use_reg2;
|
|
bool no_setcond;
|
|
} CCPrepare;
|
|
|
|
/* compute eflags.C to reg */
|
|
static CCPrepare gen_prepare_eflags_c(DisasContext *s, TCGv reg)
|
|
{
|
|
TCGv t0, t1;
|
|
int size, shift;
|
|
|
|
switch (s->cc_op) {
|
|
case CC_OP_SUBB ... CC_OP_SUBQ:
|
|
/* (DATA_TYPE)CC_SRCT < (DATA_TYPE)CC_SRC */
|
|
size = s->cc_op - CC_OP_SUBB;
|
|
t1 = gen_ext_tl(cpu_tmp0, cpu_cc_src, size, false);
|
|
/* If no temporary was used, be careful not to alias t1 and t0. */
|
|
t0 = TCGV_EQUAL(t1, cpu_cc_src) ? cpu_tmp0 : reg;
|
|
tcg_gen_mov_tl(t0, cpu_cc_srcT);
|
|
gen_extu(size, t0);
|
|
goto add_sub;
|
|
|
|
case CC_OP_ADDB ... CC_OP_ADDQ:
|
|
/* (DATA_TYPE)CC_DST < (DATA_TYPE)CC_SRC */
|
|
size = s->cc_op - CC_OP_ADDB;
|
|
t1 = gen_ext_tl(cpu_tmp0, cpu_cc_src, size, false);
|
|
t0 = gen_ext_tl(reg, cpu_cc_dst, size, false);
|
|
add_sub:
|
|
return (CCPrepare) { .cond = TCG_COND_LTU, .reg = t0,
|
|
.reg2 = t1, .mask = -1, .use_reg2 = true };
|
|
|
|
case CC_OP_LOGICB ... CC_OP_LOGICQ:
|
|
case CC_OP_CLR:
|
|
return (CCPrepare) { .cond = TCG_COND_NEVER, .mask = -1 };
|
|
|
|
case CC_OP_INCB ... CC_OP_INCQ:
|
|
case CC_OP_DECB ... CC_OP_DECQ:
|
|
return (CCPrepare) { .cond = TCG_COND_NE, .reg = cpu_cc_src,
|
|
.mask = -1, .no_setcond = true };
|
|
|
|
case CC_OP_SHLB ... CC_OP_SHLQ:
|
|
/* (CC_SRC >> (DATA_BITS - 1)) & 1 */
|
|
size = s->cc_op - CC_OP_SHLB;
|
|
shift = (8 << size) - 1;
|
|
return (CCPrepare) { .cond = TCG_COND_NE, .reg = cpu_cc_src,
|
|
.mask = (target_ulong)1 << shift };
|
|
|
|
case CC_OP_MULB ... CC_OP_MULQ:
|
|
return (CCPrepare) { .cond = TCG_COND_NE,
|
|
.reg = cpu_cc_src, .mask = -1 };
|
|
|
|
case CC_OP_BMILGB ... CC_OP_BMILGQ:
|
|
size = s->cc_op - CC_OP_BMILGB;
|
|
t0 = gen_ext_tl(reg, cpu_cc_src, size, false);
|
|
return (CCPrepare) { .cond = TCG_COND_EQ, .reg = t0, .mask = -1 };
|
|
|
|
case CC_OP_ADCX:
|
|
case CC_OP_ADCOX:
|
|
return (CCPrepare) { .cond = TCG_COND_NE, .reg = cpu_cc_dst,
|
|
.mask = -1, .no_setcond = true };
|
|
|
|
case CC_OP_EFLAGS:
|
|
case CC_OP_SARB ... CC_OP_SARQ:
|
|
/* CC_SRC & 1 */
|
|
return (CCPrepare) { .cond = TCG_COND_NE,
|
|
.reg = cpu_cc_src, .mask = CC_C };
|
|
|
|
default:
|
|
/* The need to compute only C from CC_OP_DYNAMIC is important
|
|
in efficiently implementing e.g. INC at the start of a TB. */
|
|
gen_update_cc_op(s);
|
|
gen_helper_cc_compute_c(reg, cpu_cc_dst, cpu_cc_src,
|
|
cpu_cc_src2, cpu_cc_op);
|
|
return (CCPrepare) { .cond = TCG_COND_NE, .reg = reg,
|
|
.mask = -1, .no_setcond = true };
|
|
}
|
|
}
|
|
|
|
/* compute eflags.P to reg */
|
|
static CCPrepare gen_prepare_eflags_p(DisasContext *s, TCGv reg)
|
|
{
|
|
gen_compute_eflags(s);
|
|
return (CCPrepare) { .cond = TCG_COND_NE, .reg = cpu_cc_src,
|
|
.mask = CC_P };
|
|
}
|
|
|
|
/* compute eflags.S to reg */
|
|
static CCPrepare gen_prepare_eflags_s(DisasContext *s, TCGv reg)
|
|
{
|
|
switch (s->cc_op) {
|
|
case CC_OP_DYNAMIC:
|
|
gen_compute_eflags(s);
|
|
/* FALLTHRU */
|
|
case CC_OP_EFLAGS:
|
|
case CC_OP_ADCX:
|
|
case CC_OP_ADOX:
|
|
case CC_OP_ADCOX:
|
|
return (CCPrepare) { .cond = TCG_COND_NE, .reg = cpu_cc_src,
|
|
.mask = CC_S };
|
|
case CC_OP_CLR:
|
|
return (CCPrepare) { .cond = TCG_COND_NEVER, .mask = -1 };
|
|
default:
|
|
{
|
|
TCGMemOp size = (s->cc_op - CC_OP_ADDB) & 3;
|
|
TCGv t0 = gen_ext_tl(reg, cpu_cc_dst, size, true);
|
|
return (CCPrepare) { .cond = TCG_COND_LT, .reg = t0, .mask = -1 };
|
|
}
|
|
}
|
|
}
|
|
|
|
/* compute eflags.O to reg */
|
|
static CCPrepare gen_prepare_eflags_o(DisasContext *s, TCGv reg)
|
|
{
|
|
switch (s->cc_op) {
|
|
case CC_OP_ADOX:
|
|
case CC_OP_ADCOX:
|
|
return (CCPrepare) { .cond = TCG_COND_NE, .reg = cpu_cc_src2,
|
|
.mask = -1, .no_setcond = true };
|
|
case CC_OP_CLR:
|
|
return (CCPrepare) { .cond = TCG_COND_NEVER, .mask = -1 };
|
|
default:
|
|
gen_compute_eflags(s);
|
|
return (CCPrepare) { .cond = TCG_COND_NE, .reg = cpu_cc_src,
|
|
.mask = CC_O };
|
|
}
|
|
}
|
|
|
|
/* compute eflags.Z to reg */
|
|
static CCPrepare gen_prepare_eflags_z(DisasContext *s, TCGv reg)
|
|
{
|
|
switch (s->cc_op) {
|
|
case CC_OP_DYNAMIC:
|
|
gen_compute_eflags(s);
|
|
/* FALLTHRU */
|
|
case CC_OP_EFLAGS:
|
|
case CC_OP_ADCX:
|
|
case CC_OP_ADOX:
|
|
case CC_OP_ADCOX:
|
|
return (CCPrepare) { .cond = TCG_COND_NE, .reg = cpu_cc_src,
|
|
.mask = CC_Z };
|
|
case CC_OP_CLR:
|
|
return (CCPrepare) { .cond = TCG_COND_ALWAYS, .mask = -1 };
|
|
default:
|
|
{
|
|
TCGMemOp size = (s->cc_op - CC_OP_ADDB) & 3;
|
|
TCGv t0 = gen_ext_tl(reg, cpu_cc_dst, size, false);
|
|
return (CCPrepare) { .cond = TCG_COND_EQ, .reg = t0, .mask = -1 };
|
|
}
|
|
}
|
|
}
|
|
|
|
/* perform a conditional store into register 'reg' according to jump opcode
|
|
value 'b'. In the fast case, T0 is guaranted not to be used. */
|
|
static CCPrepare gen_prepare_cc(DisasContext *s, int b, TCGv reg)
|
|
{
|
|
int inv, jcc_op, cond;
|
|
TCGMemOp size;
|
|
CCPrepare cc;
|
|
TCGv t0;
|
|
|
|
inv = b & 1;
|
|
jcc_op = (b >> 1) & 7;
|
|
|
|
switch (s->cc_op) {
|
|
case CC_OP_SUBB ... CC_OP_SUBQ:
|
|
/* We optimize relational operators for the cmp/jcc case. */
|
|
size = s->cc_op - CC_OP_SUBB;
|
|
switch (jcc_op) {
|
|
case JCC_BE:
|
|
tcg_gen_mov_tl(cpu_tmp4, cpu_cc_srcT);
|
|
gen_extu(size, cpu_tmp4);
|
|
t0 = gen_ext_tl(cpu_tmp0, cpu_cc_src, size, false);
|
|
cc = (CCPrepare) { .cond = TCG_COND_LEU, .reg = cpu_tmp4,
|
|
.reg2 = t0, .mask = -1, .use_reg2 = true };
|
|
break;
|
|
|
|
case JCC_L:
|
|
cond = TCG_COND_LT;
|
|
goto fast_jcc_l;
|
|
case JCC_LE:
|
|
cond = TCG_COND_LE;
|
|
fast_jcc_l:
|
|
tcg_gen_mov_tl(cpu_tmp4, cpu_cc_srcT);
|
|
gen_exts(size, cpu_tmp4);
|
|
t0 = gen_ext_tl(cpu_tmp0, cpu_cc_src, size, true);
|
|
cc = (CCPrepare) { .cond = cond, .reg = cpu_tmp4,
|
|
.reg2 = t0, .mask = -1, .use_reg2 = true };
|
|
break;
|
|
|
|
default:
|
|
goto slow_jcc;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
slow_jcc:
|
|
/* This actually generates good code for JC, JZ and JS. */
|
|
switch (jcc_op) {
|
|
case JCC_O:
|
|
cc = gen_prepare_eflags_o(s, reg);
|
|
break;
|
|
case JCC_B:
|
|
cc = gen_prepare_eflags_c(s, reg);
|
|
break;
|
|
case JCC_Z:
|
|
cc = gen_prepare_eflags_z(s, reg);
|
|
break;
|
|
case JCC_BE:
|
|
gen_compute_eflags(s);
|
|
cc = (CCPrepare) { .cond = TCG_COND_NE, .reg = cpu_cc_src,
|
|
.mask = CC_Z | CC_C };
|
|
break;
|
|
case JCC_S:
|
|
cc = gen_prepare_eflags_s(s, reg);
|
|
break;
|
|
case JCC_P:
|
|
cc = gen_prepare_eflags_p(s, reg);
|
|
break;
|
|
case JCC_L:
|
|
gen_compute_eflags(s);
|
|
if (TCGV_EQUAL(reg, cpu_cc_src)) {
|
|
reg = cpu_tmp0;
|
|
}
|
|
tcg_gen_shri_tl(reg, cpu_cc_src, 4); /* CC_O -> CC_S */
|
|
tcg_gen_xor_tl(reg, reg, cpu_cc_src);
|
|
cc = (CCPrepare) { .cond = TCG_COND_NE, .reg = reg,
|
|
.mask = CC_S };
|
|
break;
|
|
default:
|
|
case JCC_LE:
|
|
gen_compute_eflags(s);
|
|
if (TCGV_EQUAL(reg, cpu_cc_src)) {
|
|
reg = cpu_tmp0;
|
|
}
|
|
tcg_gen_shri_tl(reg, cpu_cc_src, 4); /* CC_O -> CC_S */
|
|
tcg_gen_xor_tl(reg, reg, cpu_cc_src);
|
|
cc = (CCPrepare) { .cond = TCG_COND_NE, .reg = reg,
|
|
.mask = CC_S | CC_Z };
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (inv) {
|
|
cc.cond = tcg_invert_cond(cc.cond);
|
|
}
|
|
return cc;
|
|
}
|
|
|
|
static void gen_setcc1(DisasContext *s, int b, TCGv reg)
|
|
{
|
|
CCPrepare cc = gen_prepare_cc(s, b, reg);
|
|
|
|
if (cc.no_setcond) {
|
|
if (cc.cond == TCG_COND_EQ) {
|
|
tcg_gen_xori_tl(reg, cc.reg, 1);
|
|
} else {
|
|
tcg_gen_mov_tl(reg, cc.reg);
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (cc.cond == TCG_COND_NE && !cc.use_reg2 && cc.imm == 0 &&
|
|
cc.mask != 0 && (cc.mask & (cc.mask - 1)) == 0) {
|
|
tcg_gen_shri_tl(reg, cc.reg, ctztl(cc.mask));
|
|
tcg_gen_andi_tl(reg, reg, 1);
|
|
return;
|
|
}
|
|
if (cc.mask != -1) {
|
|
tcg_gen_andi_tl(reg, cc.reg, cc.mask);
|
|
cc.reg = reg;
|
|
}
|
|
if (cc.use_reg2) {
|
|
tcg_gen_setcond_tl(cc.cond, reg, cc.reg, cc.reg2);
|
|
} else {
|
|
tcg_gen_setcondi_tl(cc.cond, reg, cc.reg, cc.imm);
|
|
}
|
|
}
|
|
|
|
static inline void gen_compute_eflags_c(DisasContext *s, TCGv reg)
|
|
{
|
|
gen_setcc1(s, JCC_B << 1, reg);
|
|
}
|
|
|
|
/* 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_noeob(DisasContext *s, int b, TCGLabel *l1)
|
|
{
|
|
CCPrepare cc = gen_prepare_cc(s, b, cpu_T0);
|
|
|
|
if (cc.mask != -1) {
|
|
tcg_gen_andi_tl(cpu_T0, cc.reg, cc.mask);
|
|
cc.reg = cpu_T0;
|
|
}
|
|
if (cc.use_reg2) {
|
|
tcg_gen_brcond_tl(cc.cond, cc.reg, cc.reg2, l1);
|
|
} else {
|
|
tcg_gen_brcondi_tl(cc.cond, cc.reg, cc.imm, l1);
|
|
}
|
|
}
|
|
|
|
/* Generate a conditional jump to label 'l1' according to jump opcode
|
|
value 'b'. In the fast case, T0 is guaranted not to be used.
|
|
A translation block must end soon. */
|
|
static inline void gen_jcc1(DisasContext *s, int b, TCGLabel *l1)
|
|
{
|
|
CCPrepare cc = gen_prepare_cc(s, b, cpu_T0);
|
|
|
|
gen_update_cc_op(s);
|
|
if (cc.mask != -1) {
|
|
tcg_gen_andi_tl(cpu_T0, cc.reg, cc.mask);
|
|
cc.reg = cpu_T0;
|
|
}
|
|
set_cc_op(s, CC_OP_DYNAMIC);
|
|
if (cc.use_reg2) {
|
|
tcg_gen_brcond_tl(cc.cond, cc.reg, cc.reg2, l1);
|
|
} else {
|
|
tcg_gen_brcondi_tl(cc.cond, cc.reg, cc.imm, l1);
|
|
}
|
|
}
|
|
|
|
/* XXX: does not work with gdbstub "ice" single step - not a
|
|
serious problem */
|
|
static TCGLabel *gen_jz_ecx_string(DisasContext *s, target_ulong next_eip)
|
|
{
|
|
TCGLabel *l1 = gen_new_label();
|
|
TCGLabel *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, TCGMemOp ot)
|
|
{
|
|
gen_op_mov_v_reg(MO_32, cpu_T0, R_EAX);
|
|
gen_string_movl_A0_EDI(s);
|
|
gen_op_st_v(s, ot, cpu_T0, cpu_A0);
|
|
gen_op_movl_T0_Dshift(ot);
|
|
gen_op_add_reg_T0(s->aflag, R_EDI);
|
|
}
|
|
|
|
static inline void gen_lods(DisasContext *s, TCGMemOp ot)
|
|
{
|
|
gen_string_movl_A0_ESI(s);
|
|
gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
|
|
gen_op_mov_reg_v(ot, R_EAX, cpu_T0);
|
|
gen_op_movl_T0_Dshift(ot);
|
|
gen_op_add_reg_T0(s->aflag, R_ESI);
|
|
}
|
|
|
|
static inline void gen_scas(DisasContext *s, TCGMemOp ot)
|
|
{
|
|
gen_string_movl_A0_EDI(s);
|
|
gen_op_ld_v(s, ot, cpu_T1, cpu_A0);
|
|
gen_op(s, OP_CMPL, ot, R_EAX);
|
|
gen_op_movl_T0_Dshift(ot);
|
|
gen_op_add_reg_T0(s->aflag, R_EDI);
|
|
}
|
|
|
|
static inline void gen_cmps(DisasContext *s, TCGMemOp ot)
|
|
{
|
|
gen_string_movl_A0_EDI(s);
|
|
gen_op_ld_v(s, ot, cpu_T1, cpu_A0);
|
|
gen_string_movl_A0_ESI(s);
|
|
gen_op(s, OP_CMPL, ot, OR_TMP0);
|
|
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 void gen_bpt_io(DisasContext *s, TCGv_i32 t_port, int ot)
|
|
{
|
|
if (s->flags & HF_IOBPT_MASK) {
|
|
TCGv_i32 t_size = tcg_const_i32(1 << ot);
|
|
TCGv t_next = tcg_const_tl(s->pc - s->cs_base);
|
|
|
|
gen_helper_bpt_io(cpu_env, t_port, t_size, t_next);
|
|
tcg_temp_free_i32(t_size);
|
|
tcg_temp_free(t_next);
|
|
}
|
|
}
|
|
|
|
|
|
static inline void gen_ins(DisasContext *s, TCGMemOp ot)
|
|
{
|
|
if (s->tb->cflags & CF_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. */
|
|
tcg_gen_movi_tl(cpu_T0, 0);
|
|
gen_op_st_v(s, ot, cpu_T0, cpu_A0);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_regs[R_EDX]);
|
|
tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff);
|
|
gen_helper_in_func(ot, cpu_T0, cpu_tmp2_i32);
|
|
gen_op_st_v(s, ot, cpu_T0, cpu_A0);
|
|
gen_op_movl_T0_Dshift(ot);
|
|
gen_op_add_reg_T0(s->aflag, R_EDI);
|
|
gen_bpt_io(s, cpu_tmp2_i32, ot);
|
|
if (s->tb->cflags & CF_USE_ICOUNT) {
|
|
gen_io_end();
|
|
}
|
|
}
|
|
|
|
static inline void gen_outs(DisasContext *s, TCGMemOp ot)
|
|
{
|
|
if (s->tb->cflags & CF_USE_ICOUNT) {
|
|
gen_io_start();
|
|
}
|
|
gen_string_movl_A0_ESI(s);
|
|
gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
|
|
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_regs[R_EDX]);
|
|
tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T0);
|
|
gen_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);
|
|
gen_bpt_io(s, cpu_tmp2_i32, ot);
|
|
if (s->tb->cflags & CF_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, TCGMemOp ot, \
|
|
target_ulong cur_eip, target_ulong next_eip) \
|
|
{ \
|
|
TCGLabel *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->repz_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, TCGMemOp ot, \
|
|
target_ulong cur_eip, \
|
|
target_ulong next_eip, \
|
|
int nz) \
|
|
{ \
|
|
TCGLabel *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_update_cc_op(s); \
|
|
gen_jcc1(s, (JCC_Z << 1) | (nz ^ 1), l2); \
|
|
if (s->repz_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 gen_helper_fp_arith_ST0_FT0(int op)
|
|
{
|
|
switch (op) {
|
|
case 0:
|
|
gen_helper_fadd_ST0_FT0(cpu_env);
|
|
break;
|
|
case 1:
|
|
gen_helper_fmul_ST0_FT0(cpu_env);
|
|
break;
|
|
case 2:
|
|
gen_helper_fcom_ST0_FT0(cpu_env);
|
|
break;
|
|
case 3:
|
|
gen_helper_fcom_ST0_FT0(cpu_env);
|
|
break;
|
|
case 4:
|
|
gen_helper_fsub_ST0_FT0(cpu_env);
|
|
break;
|
|
case 5:
|
|
gen_helper_fsubr_ST0_FT0(cpu_env);
|
|
break;
|
|
case 6:
|
|
gen_helper_fdiv_ST0_FT0(cpu_env);
|
|
break;
|
|
case 7:
|
|
gen_helper_fdivr_ST0_FT0(cpu_env);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* NOTE the exception in "r" op ordering */
|
|
static void gen_helper_fp_arith_STN_ST0(int op, int opreg)
|
|
{
|
|
TCGv_i32 tmp = tcg_const_i32(opreg);
|
|
switch (op) {
|
|
case 0:
|
|
gen_helper_fadd_STN_ST0(cpu_env, tmp);
|
|
break;
|
|
case 1:
|
|
gen_helper_fmul_STN_ST0(cpu_env, tmp);
|
|
break;
|
|
case 4:
|
|
gen_helper_fsubr_STN_ST0(cpu_env, tmp);
|
|
break;
|
|
case 5:
|
|
gen_helper_fsub_STN_ST0(cpu_env, tmp);
|
|
break;
|
|
case 6:
|
|
gen_helper_fdivr_STN_ST0(cpu_env, tmp);
|
|
break;
|
|
case 7:
|
|
gen_helper_fdiv_STN_ST0(cpu_env, tmp);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* if d == OR_TMP0, it means memory operand (address in A0) */
|
|
static void gen_op(DisasContext *s1, int op, TCGMemOp ot, int d)
|
|
{
|
|
if (d != OR_TMP0) {
|
|
gen_op_mov_v_reg(ot, cpu_T0, d);
|
|
} else {
|
|
gen_op_ld_v(s1, ot, cpu_T0, cpu_A0);
|
|
}
|
|
switch(op) {
|
|
case OP_ADCL:
|
|
gen_compute_eflags_c(s1, cpu_tmp4);
|
|
tcg_gen_add_tl(cpu_T0, cpu_T0, cpu_T1);
|
|
tcg_gen_add_tl(cpu_T0, cpu_T0, cpu_tmp4);
|
|
gen_op_st_rm_T0_A0(s1, ot, d);
|
|
gen_op_update3_cc(cpu_tmp4);
|
|
set_cc_op(s1, CC_OP_ADCB + ot);
|
|
break;
|
|
case OP_SBBL:
|
|
gen_compute_eflags_c(s1, cpu_tmp4);
|
|
tcg_gen_sub_tl(cpu_T0, cpu_T0, cpu_T1);
|
|
tcg_gen_sub_tl(cpu_T0, cpu_T0, cpu_tmp4);
|
|
gen_op_st_rm_T0_A0(s1, ot, d);
|
|
gen_op_update3_cc(cpu_tmp4);
|
|
set_cc_op(s1, CC_OP_SBBB + ot);
|
|
break;
|
|
case OP_ADDL:
|
|
tcg_gen_add_tl(cpu_T0, cpu_T0, cpu_T1);
|
|
gen_op_st_rm_T0_A0(s1, ot, d);
|
|
gen_op_update2_cc();
|
|
set_cc_op(s1, CC_OP_ADDB + ot);
|
|
break;
|
|
case OP_SUBL:
|
|
tcg_gen_mov_tl(cpu_cc_srcT, cpu_T0);
|
|
tcg_gen_sub_tl(cpu_T0, cpu_T0, cpu_T1);
|
|
gen_op_st_rm_T0_A0(s1, ot, d);
|
|
gen_op_update2_cc();
|
|
set_cc_op(s1, CC_OP_SUBB + ot);
|
|
break;
|
|
default:
|
|
case OP_ANDL:
|
|
tcg_gen_and_tl(cpu_T0, cpu_T0, cpu_T1);
|
|
gen_op_st_rm_T0_A0(s1, ot, d);
|
|
gen_op_update1_cc();
|
|
set_cc_op(s1, CC_OP_LOGICB + ot);
|
|
break;
|
|
case OP_ORL:
|
|
tcg_gen_or_tl(cpu_T0, cpu_T0, cpu_T1);
|
|
gen_op_st_rm_T0_A0(s1, ot, d);
|
|
gen_op_update1_cc();
|
|
set_cc_op(s1, CC_OP_LOGICB + ot);
|
|
break;
|
|
case OP_XORL:
|
|
tcg_gen_xor_tl(cpu_T0, cpu_T0, cpu_T1);
|
|
gen_op_st_rm_T0_A0(s1, ot, d);
|
|
gen_op_update1_cc();
|
|
set_cc_op(s1, CC_OP_LOGICB + ot);
|
|
break;
|
|
case OP_CMPL:
|
|
tcg_gen_mov_tl(cpu_cc_src, cpu_T1);
|
|
tcg_gen_mov_tl(cpu_cc_srcT, cpu_T0);
|
|
tcg_gen_sub_tl(cpu_cc_dst, cpu_T0, cpu_T1);
|
|
set_cc_op(s1, CC_OP_SUBB + ot);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* if d == OR_TMP0, it means memory operand (address in A0) */
|
|
static void gen_inc(DisasContext *s1, TCGMemOp ot, int d, int c)
|
|
{
|
|
if (d != OR_TMP0) {
|
|
gen_op_mov_v_reg(ot, cpu_T0, d);
|
|
} else {
|
|
gen_op_ld_v(s1, ot, cpu_T0, cpu_A0);
|
|
}
|
|
gen_compute_eflags_c(s1, cpu_cc_src);
|
|
if (c > 0) {
|
|
tcg_gen_addi_tl(cpu_T0, cpu_T0, 1);
|
|
set_cc_op(s1, CC_OP_INCB + ot);
|
|
} else {
|
|
tcg_gen_addi_tl(cpu_T0, cpu_T0, -1);
|
|
set_cc_op(s1, CC_OP_DECB + ot);
|
|
}
|
|
gen_op_st_rm_T0_A0(s1, ot, d);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T0);
|
|
}
|
|
|
|
static void gen_shift_flags(DisasContext *s, TCGMemOp ot, TCGv result,
|
|
TCGv shm1, TCGv count, bool is_right)
|
|
{
|
|
TCGv_i32 z32, s32, oldop;
|
|
TCGv z_tl;
|
|
|
|
/* Store the results into the CC variables. If we know that the
|
|
variable must be dead, store unconditionally. Otherwise we'll
|
|
need to not disrupt the current contents. */
|
|
z_tl = tcg_const_tl(0);
|
|
if (cc_op_live[s->cc_op] & USES_CC_DST) {
|
|
tcg_gen_movcond_tl(TCG_COND_NE, cpu_cc_dst, count, z_tl,
|
|
result, cpu_cc_dst);
|
|
} else {
|
|
tcg_gen_mov_tl(cpu_cc_dst, result);
|
|
}
|
|
if (cc_op_live[s->cc_op] & USES_CC_SRC) {
|
|
tcg_gen_movcond_tl(TCG_COND_NE, cpu_cc_src, count, z_tl,
|
|
shm1, cpu_cc_src);
|
|
} else {
|
|
tcg_gen_mov_tl(cpu_cc_src, shm1);
|
|
}
|
|
tcg_temp_free(z_tl);
|
|
|
|
/* Get the two potential CC_OP values into temporaries. */
|
|
tcg_gen_movi_i32(cpu_tmp2_i32, (is_right ? CC_OP_SARB : CC_OP_SHLB) + ot);
|
|
if (s->cc_op == CC_OP_DYNAMIC) {
|
|
oldop = cpu_cc_op;
|
|
} else {
|
|
tcg_gen_movi_i32(cpu_tmp3_i32, s->cc_op);
|
|
oldop = cpu_tmp3_i32;
|
|
}
|
|
|
|
/* Conditionally store the CC_OP value. */
|
|
z32 = tcg_const_i32(0);
|
|
s32 = tcg_temp_new_i32();
|
|
tcg_gen_trunc_tl_i32(s32, count);
|
|
tcg_gen_movcond_i32(TCG_COND_NE, cpu_cc_op, s32, z32, cpu_tmp2_i32, oldop);
|
|
tcg_temp_free_i32(z32);
|
|
tcg_temp_free_i32(s32);
|
|
|
|
/* The CC_OP value is no longer predictable. */
|
|
set_cc_op(s, CC_OP_DYNAMIC);
|
|
}
|
|
|
|
static void gen_shift_rm_T1(DisasContext *s, TCGMemOp ot, int op1,
|
|
int is_right, int is_arith)
|
|
{
|
|
target_ulong mask = (ot == MO_64 ? 0x3f : 0x1f);
|
|
|
|
/* load */
|
|
if (op1 == OR_TMP0) {
|
|
gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
|
|
} else {
|
|
gen_op_mov_v_reg(ot, cpu_T0, op1);
|
|
}
|
|
|
|
tcg_gen_andi_tl(cpu_T1, cpu_T1, mask);
|
|
tcg_gen_subi_tl(cpu_tmp0, cpu_T1, 1);
|
|
|
|
if (is_right) {
|
|
if (is_arith) {
|
|
gen_exts(ot, cpu_T0);
|
|
tcg_gen_sar_tl(cpu_tmp0, cpu_T0, cpu_tmp0);
|
|
tcg_gen_sar_tl(cpu_T0, cpu_T0, cpu_T1);
|
|
} else {
|
|
gen_extu(ot, cpu_T0);
|
|
tcg_gen_shr_tl(cpu_tmp0, cpu_T0, cpu_tmp0);
|
|
tcg_gen_shr_tl(cpu_T0, cpu_T0, cpu_T1);
|
|
}
|
|
} else {
|
|
tcg_gen_shl_tl(cpu_tmp0, cpu_T0, cpu_tmp0);
|
|
tcg_gen_shl_tl(cpu_T0, cpu_T0, cpu_T1);
|
|
}
|
|
|
|
/* store */
|
|
gen_op_st_rm_T0_A0(s, ot, op1);
|
|
|
|
gen_shift_flags(s, ot, cpu_T0, cpu_tmp0, cpu_T1, is_right);
|
|
}
|
|
|
|
static void gen_shift_rm_im(DisasContext *s, TCGMemOp ot, int op1, int op2,
|
|
int is_right, int is_arith)
|
|
{
|
|
int mask = (ot == MO_64 ? 0x3f : 0x1f);
|
|
|
|
/* load */
|
|
if (op1 == OR_TMP0)
|
|
gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
|
|
else
|
|
gen_op_mov_v_reg(ot, cpu_T0, op1);
|
|
|
|
op2 &= mask;
|
|
if (op2 != 0) {
|
|
if (is_right) {
|
|
if (is_arith) {
|
|
gen_exts(ot, cpu_T0);
|
|
tcg_gen_sari_tl(cpu_tmp4, cpu_T0, op2 - 1);
|
|
tcg_gen_sari_tl(cpu_T0, cpu_T0, op2);
|
|
} else {
|
|
gen_extu(ot, cpu_T0);
|
|
tcg_gen_shri_tl(cpu_tmp4, cpu_T0, op2 - 1);
|
|
tcg_gen_shri_tl(cpu_T0, cpu_T0, op2);
|
|
}
|
|
} else {
|
|
tcg_gen_shli_tl(cpu_tmp4, cpu_T0, op2 - 1);
|
|
tcg_gen_shli_tl(cpu_T0, cpu_T0, op2);
|
|
}
|
|
}
|
|
|
|
/* store */
|
|
gen_op_st_rm_T0_A0(s, 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_T0);
|
|
set_cc_op(s, (is_right ? CC_OP_SARB : CC_OP_SHLB) + ot);
|
|
}
|
|
}
|
|
|
|
static void gen_rot_rm_T1(DisasContext *s, TCGMemOp ot, int op1, int is_right)
|
|
{
|
|
target_ulong mask = (ot == MO_64 ? 0x3f : 0x1f);
|
|
TCGv_i32 t0, t1;
|
|
|
|
/* load */
|
|
if (op1 == OR_TMP0) {
|
|
gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
|
|
} else {
|
|
gen_op_mov_v_reg(ot, cpu_T0, op1);
|
|
}
|
|
|
|
tcg_gen_andi_tl(cpu_T1, cpu_T1, mask);
|
|
|
|
switch (ot) {
|
|
case MO_8:
|
|
/* Replicate the 8-bit input so that a 32-bit rotate works. */
|
|
tcg_gen_ext8u_tl(cpu_T0, cpu_T0);
|
|
tcg_gen_muli_tl(cpu_T0, cpu_T0, 0x01010101);
|
|
goto do_long;
|
|
case MO_16:
|
|
/* Replicate the 16-bit input so that a 32-bit rotate works. */
|
|
tcg_gen_deposit_tl(cpu_T0, cpu_T0, cpu_T0, 16, 16);
|
|
goto do_long;
|
|
do_long:
|
|
#ifdef TARGET_X86_64
|
|
case MO_32:
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T1);
|
|
if (is_right) {
|
|
tcg_gen_rotr_i32(cpu_tmp2_i32, cpu_tmp2_i32, cpu_tmp3_i32);
|
|
} else {
|
|
tcg_gen_rotl_i32(cpu_tmp2_i32, cpu_tmp2_i32, cpu_tmp3_i32);
|
|
}
|
|
tcg_gen_extu_i32_tl(cpu_T0, cpu_tmp2_i32);
|
|
break;
|
|
#endif
|
|
default:
|
|
if (is_right) {
|
|
tcg_gen_rotr_tl(cpu_T0, cpu_T0, cpu_T1);
|
|
} else {
|
|
tcg_gen_rotl_tl(cpu_T0, cpu_T0, cpu_T1);
|
|
}
|
|
break;
|
|
}
|
|
|
|
/* store */
|
|
gen_op_st_rm_T0_A0(s, ot, op1);
|
|
|
|
/* We'll need the flags computed into CC_SRC. */
|
|
gen_compute_eflags(s);
|
|
|
|
/* The value that was "rotated out" is now present at the other end
|
|
of the word. Compute C into CC_DST and O into CC_SRC2. Note that
|
|
since we've computed the flags into CC_SRC, these variables are
|
|
currently dead. */
|
|
if (is_right) {
|
|
tcg_gen_shri_tl(cpu_cc_src2, cpu_T0, mask - 1);
|
|
tcg_gen_shri_tl(cpu_cc_dst, cpu_T0, mask);
|
|
tcg_gen_andi_tl(cpu_cc_dst, cpu_cc_dst, 1);
|
|
} else {
|
|
tcg_gen_shri_tl(cpu_cc_src2, cpu_T0, mask);
|
|
tcg_gen_andi_tl(cpu_cc_dst, cpu_T0, 1);
|
|
}
|
|
tcg_gen_andi_tl(cpu_cc_src2, cpu_cc_src2, 1);
|
|
tcg_gen_xor_tl(cpu_cc_src2, cpu_cc_src2, cpu_cc_dst);
|
|
|
|
/* Now conditionally store the new CC_OP value. If the shift count
|
|
is 0 we keep the CC_OP_EFLAGS setting so that only CC_SRC is live.
|
|
Otherwise reuse CC_OP_ADCOX which have the C and O flags split out
|
|
exactly as we computed above. */
|
|
t0 = tcg_const_i32(0);
|
|
t1 = tcg_temp_new_i32();
|
|
tcg_gen_trunc_tl_i32(t1, cpu_T1);
|
|
tcg_gen_movi_i32(cpu_tmp2_i32, CC_OP_ADCOX);
|
|
tcg_gen_movi_i32(cpu_tmp3_i32, CC_OP_EFLAGS);
|
|
tcg_gen_movcond_i32(TCG_COND_NE, cpu_cc_op, t1, t0,
|
|
cpu_tmp2_i32, cpu_tmp3_i32);
|
|
tcg_temp_free_i32(t0);
|
|
tcg_temp_free_i32(t1);
|
|
|
|
/* The CC_OP value is no longer predictable. */
|
|
set_cc_op(s, CC_OP_DYNAMIC);
|
|
}
|
|
|
|
static void gen_rot_rm_im(DisasContext *s, TCGMemOp ot, int op1, int op2,
|
|
int is_right)
|
|
{
|
|
int mask = (ot == MO_64 ? 0x3f : 0x1f);
|
|
int shift;
|
|
|
|
/* load */
|
|
if (op1 == OR_TMP0) {
|
|
gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
|
|
} else {
|
|
gen_op_mov_v_reg(ot, cpu_T0, op1);
|
|
}
|
|
|
|
op2 &= mask;
|
|
if (op2 != 0) {
|
|
switch (ot) {
|
|
#ifdef TARGET_X86_64
|
|
case MO_32:
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
|
|
if (is_right) {
|
|
tcg_gen_rotri_i32(cpu_tmp2_i32, cpu_tmp2_i32, op2);
|
|
} else {
|
|
tcg_gen_rotli_i32(cpu_tmp2_i32, cpu_tmp2_i32, op2);
|
|
}
|
|
tcg_gen_extu_i32_tl(cpu_T0, cpu_tmp2_i32);
|
|
break;
|
|
#endif
|
|
default:
|
|
if (is_right) {
|
|
tcg_gen_rotri_tl(cpu_T0, cpu_T0, op2);
|
|
} else {
|
|
tcg_gen_rotli_tl(cpu_T0, cpu_T0, op2);
|
|
}
|
|
break;
|
|
case MO_8:
|
|
mask = 7;
|
|
goto do_shifts;
|
|
case MO_16:
|
|
mask = 15;
|
|
do_shifts:
|
|
shift = op2 & mask;
|
|
if (is_right) {
|
|
shift = mask + 1 - shift;
|
|
}
|
|
gen_extu(ot, cpu_T0);
|
|
tcg_gen_shli_tl(cpu_tmp0, cpu_T0, shift);
|
|
tcg_gen_shri_tl(cpu_T0, cpu_T0, mask + 1 - shift);
|
|
tcg_gen_or_tl(cpu_T0, cpu_T0, cpu_tmp0);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* store */
|
|
gen_op_st_rm_T0_A0(s, ot, op1);
|
|
|
|
if (op2 != 0) {
|
|
/* Compute the flags into CC_SRC. */
|
|
gen_compute_eflags(s);
|
|
|
|
/* The value that was "rotated out" is now present at the other end
|
|
of the word. Compute C into CC_DST and O into CC_SRC2. Note that
|
|
since we've computed the flags into CC_SRC, these variables are
|
|
currently dead. */
|
|
if (is_right) {
|
|
tcg_gen_shri_tl(cpu_cc_src2, cpu_T0, mask - 1);
|
|
tcg_gen_shri_tl(cpu_cc_dst, cpu_T0, mask);
|
|
tcg_gen_andi_tl(cpu_cc_dst, cpu_cc_dst, 1);
|
|
} else {
|
|
tcg_gen_shri_tl(cpu_cc_src2, cpu_T0, mask);
|
|
tcg_gen_andi_tl(cpu_cc_dst, cpu_T0, 1);
|
|
}
|
|
tcg_gen_andi_tl(cpu_cc_src2, cpu_cc_src2, 1);
|
|
tcg_gen_xor_tl(cpu_cc_src2, cpu_cc_src2, cpu_cc_dst);
|
|
set_cc_op(s, CC_OP_ADCOX);
|
|
}
|
|
}
|
|
|
|
/* XXX: add faster immediate = 1 case */
|
|
static void gen_rotc_rm_T1(DisasContext *s, TCGMemOp ot, int op1,
|
|
int is_right)
|
|
{
|
|
gen_compute_eflags(s);
|
|
assert(s->cc_op == CC_OP_EFLAGS);
|
|
|
|
/* load */
|
|
if (op1 == OR_TMP0)
|
|
gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
|
|
else
|
|
gen_op_mov_v_reg(ot, cpu_T0, op1);
|
|
|
|
if (is_right) {
|
|
switch (ot) {
|
|
case MO_8:
|
|
gen_helper_rcrb(cpu_T0, cpu_env, cpu_T0, cpu_T1);
|
|
break;
|
|
case MO_16:
|
|
gen_helper_rcrw(cpu_T0, cpu_env, cpu_T0, cpu_T1);
|
|
break;
|
|
case MO_32:
|
|
gen_helper_rcrl(cpu_T0, cpu_env, cpu_T0, cpu_T1);
|
|
break;
|
|
#ifdef TARGET_X86_64
|
|
case MO_64:
|
|
gen_helper_rcrq(cpu_T0, cpu_env, cpu_T0, cpu_T1);
|
|
break;
|
|
#endif
|
|
default:
|
|
tcg_abort();
|
|
}
|
|
} else {
|
|
switch (ot) {
|
|
case MO_8:
|
|
gen_helper_rclb(cpu_T0, cpu_env, cpu_T0, cpu_T1);
|
|
break;
|
|
case MO_16:
|
|
gen_helper_rclw(cpu_T0, cpu_env, cpu_T0, cpu_T1);
|
|
break;
|
|
case MO_32:
|
|
gen_helper_rcll(cpu_T0, cpu_env, cpu_T0, cpu_T1);
|
|
break;
|
|
#ifdef TARGET_X86_64
|
|
case MO_64:
|
|
gen_helper_rclq(cpu_T0, cpu_env, cpu_T0, cpu_T1);
|
|
break;
|
|
#endif
|
|
default:
|
|
tcg_abort();
|
|
}
|
|
}
|
|
/* store */
|
|
gen_op_st_rm_T0_A0(s, ot, op1);
|
|
}
|
|
|
|
/* XXX: add faster immediate case */
|
|
static void gen_shiftd_rm_T1(DisasContext *s, TCGMemOp ot, int op1,
|
|
bool is_right, TCGv count_in)
|
|
{
|
|
target_ulong mask = (ot == MO_64 ? 63 : 31);
|
|
TCGv count;
|
|
|
|
/* load */
|
|
if (op1 == OR_TMP0) {
|
|
gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
|
|
} else {
|
|
gen_op_mov_v_reg(ot, cpu_T0, op1);
|
|
}
|
|
|
|
count = tcg_temp_new();
|
|
tcg_gen_andi_tl(count, count_in, mask);
|
|
|
|
switch (ot) {
|
|
case MO_16:
|
|
/* Note: we implement the Intel behaviour for shift count > 16.
|
|
This means "shrdw C, B, A" shifts A:B:A >> C. Build the B:A
|
|
portion by constructing it as a 32-bit value. */
|
|
if (is_right) {
|
|
tcg_gen_deposit_tl(cpu_tmp0, cpu_T0, cpu_T1, 16, 16);
|
|
tcg_gen_mov_tl(cpu_T1, cpu_T0);
|
|
tcg_gen_mov_tl(cpu_T0, cpu_tmp0);
|
|
} else {
|
|
tcg_gen_deposit_tl(cpu_T1, cpu_T0, cpu_T1, 16, 16);
|
|
}
|
|
/* FALLTHRU */
|
|
#ifdef TARGET_X86_64
|
|
case MO_32:
|
|
/* Concatenate the two 32-bit values and use a 64-bit shift. */
|
|
tcg_gen_subi_tl(cpu_tmp0, count, 1);
|
|
if (is_right) {
|
|
tcg_gen_concat_tl_i64(cpu_T0, cpu_T0, cpu_T1);
|
|
tcg_gen_shr_i64(cpu_tmp0, cpu_T0, cpu_tmp0);
|
|
tcg_gen_shr_i64(cpu_T0, cpu_T0, count);
|
|
} else {
|
|
tcg_gen_concat_tl_i64(cpu_T0, cpu_T1, cpu_T0);
|
|
tcg_gen_shl_i64(cpu_tmp0, cpu_T0, cpu_tmp0);
|
|
tcg_gen_shl_i64(cpu_T0, cpu_T0, count);
|
|
tcg_gen_shri_i64(cpu_tmp0, cpu_tmp0, 32);
|
|
tcg_gen_shri_i64(cpu_T0, cpu_T0, 32);
|
|
}
|
|
break;
|
|
#endif
|
|
default:
|
|
tcg_gen_subi_tl(cpu_tmp0, count, 1);
|
|
if (is_right) {
|
|
tcg_gen_shr_tl(cpu_tmp0, cpu_T0, cpu_tmp0);
|
|
|
|
tcg_gen_subfi_tl(cpu_tmp4, mask + 1, count);
|
|
tcg_gen_shr_tl(cpu_T0, cpu_T0, count);
|
|
tcg_gen_shl_tl(cpu_T1, cpu_T1, cpu_tmp4);
|
|
} else {
|
|
tcg_gen_shl_tl(cpu_tmp0, cpu_T0, cpu_tmp0);
|
|
if (ot == MO_16) {
|
|
/* Only needed if count > 16, for Intel behaviour. */
|
|
tcg_gen_subfi_tl(cpu_tmp4, 33, count);
|
|
tcg_gen_shr_tl(cpu_tmp4, cpu_T1, cpu_tmp4);
|
|
tcg_gen_or_tl(cpu_tmp0, cpu_tmp0, cpu_tmp4);
|
|
}
|
|
|
|
tcg_gen_subfi_tl(cpu_tmp4, mask + 1, count);
|
|
tcg_gen_shl_tl(cpu_T0, cpu_T0, count);
|
|
tcg_gen_shr_tl(cpu_T1, cpu_T1, cpu_tmp4);
|
|
}
|
|
tcg_gen_movi_tl(cpu_tmp4, 0);
|
|
tcg_gen_movcond_tl(TCG_COND_EQ, cpu_T1, count, cpu_tmp4,
|
|
cpu_tmp4, cpu_T1);
|
|
tcg_gen_or_tl(cpu_T0, cpu_T0, cpu_T1);
|
|
break;
|
|
}
|
|
|
|
/* store */
|
|
gen_op_st_rm_T0_A0(s, ot, op1);
|
|
|
|
gen_shift_flags(s, ot, cpu_T0, cpu_tmp0, count, is_right);
|
|
tcg_temp_free(count);
|
|
}
|
|
|
|
static void gen_shift(DisasContext *s1, int op, TCGMemOp ot, int d, int s)
|
|
{
|
|
if (s != OR_TMP1)
|
|
gen_op_mov_v_reg(ot, cpu_T1, 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, TCGMemOp ot, int d, int c)
|
|
{
|
|
switch(op) {
|
|
case OP_ROL:
|
|
gen_rot_rm_im(s1, ot, d, c, 0);
|
|
break;
|
|
case OP_ROR:
|
|
gen_rot_rm_im(s1, ot, d, c, 1);
|
|
break;
|
|
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 */
|
|
tcg_gen_movi_tl(cpu_T1, c);
|
|
gen_shift(s1, op, ot, d, OR_TMP1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Decompose an address. */
|
|
|
|
typedef struct AddressParts {
|
|
int def_seg;
|
|
int base;
|
|
int index;
|
|
int scale;
|
|
target_long disp;
|
|
} AddressParts;
|
|
|
|
static AddressParts gen_lea_modrm_0(CPUX86State *env, DisasContext *s,
|
|
int modrm)
|
|
{
|
|
int def_seg, base, index, scale, mod, rm;
|
|
target_long disp;
|
|
bool havesib;
|
|
|
|
def_seg = R_DS;
|
|
index = -1;
|
|
scale = 0;
|
|
disp = 0;
|
|
|
|
mod = (modrm >> 6) & 3;
|
|
rm = modrm & 7;
|
|
base = rm | REX_B(s);
|
|
|
|
if (mod == 3) {
|
|
/* Normally filtered out earlier, but including this path
|
|
simplifies multi-byte nop, as well as bndcl, bndcu, bndcn. */
|
|
goto done;
|
|
}
|
|
|
|
switch (s->aflag) {
|
|
case MO_64:
|
|
case MO_32:
|
|
havesib = 0;
|
|
if (rm == 4) {
|
|
int code = cpu_ldub_code(env, s->pc++);
|
|
scale = (code >> 6) & 3;
|
|
index = ((code >> 3) & 7) | REX_X(s);
|
|
if (index == 4) {
|
|
index = -1; /* no index */
|
|
}
|
|
base = (code & 7) | REX_B(s);
|
|
havesib = 1;
|
|
}
|
|
|
|
switch (mod) {
|
|
case 0:
|
|
if ((base & 7) == 5) {
|
|
base = -1;
|
|
disp = (int32_t)cpu_ldl_code(env, s->pc);
|
|
s->pc += 4;
|
|
if (CODE64(s) && !havesib) {
|
|
base = -2;
|
|
disp += s->pc + s->rip_offset;
|
|
}
|
|
}
|
|
break;
|
|
case 1:
|
|
disp = (int8_t)cpu_ldub_code(env, s->pc++);
|
|
break;
|
|
default:
|
|
case 2:
|
|
disp = (int32_t)cpu_ldl_code(env, s->pc);
|
|
s->pc += 4;
|
|
break;
|
|
}
|
|
|
|
/* For correct popl handling with esp. */
|
|
if (base == R_ESP && s->popl_esp_hack) {
|
|
disp += s->popl_esp_hack;
|
|
}
|
|
if (base == R_EBP || base == R_ESP) {
|
|
def_seg = R_SS;
|
|
}
|
|
break;
|
|
|
|
case MO_16:
|
|
if (mod == 0) {
|
|
if (rm == 6) {
|
|
base = -1;
|
|
disp = cpu_lduw_code(env, s->pc);
|
|
s->pc += 2;
|
|
break;
|
|
}
|
|
} else if (mod == 1) {
|
|
disp = (int8_t)cpu_ldub_code(env, s->pc++);
|
|
} else {
|
|
disp = (int16_t)cpu_lduw_code(env, s->pc);
|
|
s->pc += 2;
|
|
}
|
|
|
|
switch (rm) {
|
|
case 0:
|
|
base = R_EBX;
|
|
index = R_ESI;
|
|
break;
|
|
case 1:
|
|
base = R_EBX;
|
|
index = R_EDI;
|
|
break;
|
|
case 2:
|
|
base = R_EBP;
|
|
index = R_ESI;
|
|
def_seg = R_SS;
|
|
break;
|
|
case 3:
|
|
base = R_EBP;
|
|
index = R_EDI;
|
|
def_seg = R_SS;
|
|
break;
|
|
case 4:
|
|
base = R_ESI;
|
|
break;
|
|
case 5:
|
|
base = R_EDI;
|
|
break;
|
|
case 6:
|
|
base = R_EBP;
|
|
def_seg = R_SS;
|
|
break;
|
|
default:
|
|
case 7:
|
|
base = R_EBX;
|
|
break;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
tcg_abort();
|
|
}
|
|
|
|
done:
|
|
return (AddressParts){ def_seg, base, index, scale, disp };
|
|
}
|
|
|
|
/* Compute the address, with a minimum number of TCG ops. */
|
|
static TCGv gen_lea_modrm_1(AddressParts a)
|
|
{
|
|
TCGv ea;
|
|
|
|
TCGV_UNUSED(ea);
|
|
if (a.index >= 0) {
|
|
if (a.scale == 0) {
|
|
ea = cpu_regs[a.index];
|
|
} else {
|
|
tcg_gen_shli_tl(cpu_A0, cpu_regs[a.index], a.scale);
|
|
ea = cpu_A0;
|
|
}
|
|
if (a.base >= 0) {
|
|
tcg_gen_add_tl(cpu_A0, ea, cpu_regs[a.base]);
|
|
ea = cpu_A0;
|
|
}
|
|
} else if (a.base >= 0) {
|
|
ea = cpu_regs[a.base];
|
|
}
|
|
if (TCGV_IS_UNUSED(ea)) {
|
|
tcg_gen_movi_tl(cpu_A0, a.disp);
|
|
ea = cpu_A0;
|
|
} else if (a.disp != 0) {
|
|
tcg_gen_addi_tl(cpu_A0, ea, a.disp);
|
|
ea = cpu_A0;
|
|
}
|
|
|
|
return ea;
|
|
}
|
|
|
|
static void gen_lea_modrm(CPUX86State *env, DisasContext *s, int modrm)
|
|
{
|
|
AddressParts a = gen_lea_modrm_0(env, s, modrm);
|
|
TCGv ea = gen_lea_modrm_1(a);
|
|
gen_lea_v_seg(s, s->aflag, ea, a.def_seg, s->override);
|
|
}
|
|
|
|
static void gen_nop_modrm(CPUX86State *env, DisasContext *s, int modrm)
|
|
{
|
|
(void)gen_lea_modrm_0(env, s, modrm);
|
|
}
|
|
|
|
/* Used for BNDCL, BNDCU, BNDCN. */
|
|
static void gen_bndck(CPUX86State *env, DisasContext *s, int modrm,
|
|
TCGCond cond, TCGv_i64 bndv)
|
|
{
|
|
TCGv ea = gen_lea_modrm_1(gen_lea_modrm_0(env, s, modrm));
|
|
|
|
tcg_gen_extu_tl_i64(cpu_tmp1_i64, ea);
|
|
if (!CODE64(s)) {
|
|
tcg_gen_ext32u_i64(cpu_tmp1_i64, cpu_tmp1_i64);
|
|
}
|
|
tcg_gen_setcond_i64(cond, cpu_tmp1_i64, cpu_tmp1_i64, bndv);
|
|
tcg_gen_extrl_i64_i32(cpu_tmp2_i32, cpu_tmp1_i64);
|
|
gen_helper_bndck(cpu_env, cpu_tmp2_i32);
|
|
}
|
|
|
|
/* used for LEA and MOV AX, mem */
|
|
static void gen_add_A0_ds_seg(DisasContext *s)
|
|
{
|
|
gen_lea_v_seg(s, s->aflag, cpu_A0, R_DS, s->override);
|
|
}
|
|
|
|
/* generate modrm memory load or store of 'reg'. TMP0 is used if reg ==
|
|
OR_TMP0 */
|
|
static void gen_ldst_modrm(CPUX86State *env, DisasContext *s, int modrm,
|
|
TCGMemOp ot, int reg, int is_store)
|
|
{
|
|
int mod, rm;
|
|
|
|
mod = (modrm >> 6) & 3;
|
|
rm = (modrm & 7) | REX_B(s);
|
|
if (mod == 3) {
|
|
if (is_store) {
|
|
if (reg != OR_TMP0)
|
|
gen_op_mov_v_reg(ot, cpu_T0, reg);
|
|
gen_op_mov_reg_v(ot, rm, cpu_T0);
|
|
} else {
|
|
gen_op_mov_v_reg(ot, cpu_T0, rm);
|
|
if (reg != OR_TMP0)
|
|
gen_op_mov_reg_v(ot, reg, cpu_T0);
|
|
}
|
|
} else {
|
|
gen_lea_modrm(env, s, modrm);
|
|
if (is_store) {
|
|
if (reg != OR_TMP0)
|
|
gen_op_mov_v_reg(ot, cpu_T0, reg);
|
|
gen_op_st_v(s, ot, cpu_T0, cpu_A0);
|
|
} else {
|
|
gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
|
|
if (reg != OR_TMP0)
|
|
gen_op_mov_reg_v(ot, reg, cpu_T0);
|
|
}
|
|
}
|
|
}
|
|
|
|
static inline uint32_t insn_get(CPUX86State *env, DisasContext *s, TCGMemOp ot)
|
|
{
|
|
uint32_t ret;
|
|
|
|
switch (ot) {
|
|
case MO_8:
|
|
ret = cpu_ldub_code(env, s->pc);
|
|
s->pc++;
|
|
break;
|
|
case MO_16:
|
|
ret = cpu_lduw_code(env, s->pc);
|
|
s->pc += 2;
|
|
break;
|
|
case MO_32:
|
|
#ifdef TARGET_X86_64
|
|
case MO_64:
|
|
#endif
|
|
ret = cpu_ldl_code(env, s->pc);
|
|
s->pc += 4;
|
|
break;
|
|
default:
|
|
tcg_abort();
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static inline int insn_const_size(TCGMemOp ot)
|
|
{
|
|
if (ot <= MO_32) {
|
|
return 1 << ot;
|
|
} else {
|
|
return 4;
|
|
}
|
|
}
|
|
|
|
static inline bool use_goto_tb(DisasContext *s, target_ulong pc)
|
|
{
|
|
#ifndef CONFIG_USER_ONLY
|
|
return (pc & TARGET_PAGE_MASK) == (s->tb->pc & TARGET_PAGE_MASK) ||
|
|
(pc & TARGET_PAGE_MASK) == (s->pc_start & TARGET_PAGE_MASK);
|
|
#else
|
|
return true;
|
|
#endif
|
|
}
|
|
|
|
static inline void gen_goto_tb(DisasContext *s, int tb_num, target_ulong eip)
|
|
{
|
|
target_ulong pc = s->cs_base + eip;
|
|
|
|
if (use_goto_tb(s, pc)) {
|
|
/* jump to same page: we can use a direct jump */
|
|
tcg_gen_goto_tb(tb_num);
|
|
gen_jmp_im(eip);
|
|
tcg_gen_exit_tb((uintptr_t)s->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)
|
|
{
|
|
TCGLabel *l1, *l2;
|
|
|
|
if (s->jmp_opt) {
|
|
l1 = gen_new_label();
|
|
gen_jcc1(s, b, l1);
|
|
|
|
gen_goto_tb(s, 0, next_eip);
|
|
|
|
gen_set_label(l1);
|
|
gen_goto_tb(s, 1, val);
|
|
s->is_jmp = DISAS_TB_JUMP;
|
|
} else {
|
|
l1 = gen_new_label();
|
|
l2 = gen_new_label();
|
|
gen_jcc1(s, 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_cmovcc1(CPUX86State *env, DisasContext *s, TCGMemOp ot, int b,
|
|
int modrm, int reg)
|
|
{
|
|
CCPrepare cc;
|
|
|
|
gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
|
|
|
|
cc = gen_prepare_cc(s, b, cpu_T1);
|
|
if (cc.mask != -1) {
|
|
TCGv t0 = tcg_temp_new();
|
|
tcg_gen_andi_tl(t0, cc.reg, cc.mask);
|
|
cc.reg = t0;
|
|
}
|
|
if (!cc.use_reg2) {
|
|
cc.reg2 = tcg_const_tl(cc.imm);
|
|
}
|
|
|
|
tcg_gen_movcond_tl(cc.cond, cpu_T0, cc.reg, cc.reg2,
|
|
cpu_T0, cpu_regs[reg]);
|
|
gen_op_mov_reg_v(ot, reg, cpu_T0);
|
|
|
|
if (cc.mask != -1) {
|
|
tcg_temp_free(cc.reg);
|
|
}
|
|
if (!cc.use_reg2) {
|
|
tcg_temp_free(cc.reg2);
|
|
}
|
|
}
|
|
|
|
static inline void gen_op_movl_T0_seg(int seg_reg)
|
|
{
|
|
tcg_gen_ld32u_tl(cpu_T0, cpu_env,
|
|
offsetof(CPUX86State,segs[seg_reg].selector));
|
|
}
|
|
|
|
static inline void gen_op_movl_seg_T0_vm(int seg_reg)
|
|
{
|
|
tcg_gen_ext16u_tl(cpu_T0, cpu_T0);
|
|
tcg_gen_st32_tl(cpu_T0, cpu_env,
|
|
offsetof(CPUX86State,segs[seg_reg].selector));
|
|
tcg_gen_shli_tl(cpu_seg_base[seg_reg], cpu_T0, 4);
|
|
}
|
|
|
|
/* 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)
|
|
{
|
|
if (s->pe && !s->vm86) {
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
|
|
gen_helper_load_seg(cpu_env, 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 = DISAS_TB_JUMP;
|
|
} else {
|
|
gen_op_movl_seg_T0_vm(seg_reg);
|
|
if (seg_reg == R_SS)
|
|
s->is_jmp = DISAS_TB_JUMP;
|
|
}
|
|
}
|
|
|
|
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;
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
gen_helper_svm_check_intercept_param(cpu_env, 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)
|
|
{
|
|
gen_op_add_reg_im(mo_stacksize(s), R_ESP, addend);
|
|
}
|
|
|
|
/* Generate a push. It depends on ss32, addseg and dflag. */
|
|
static void gen_push_v(DisasContext *s, TCGv val)
|
|
{
|
|
TCGMemOp d_ot = mo_pushpop(s, s->dflag);
|
|
TCGMemOp a_ot = mo_stacksize(s);
|
|
int size = 1 << d_ot;
|
|
TCGv new_esp = cpu_A0;
|
|
|
|
tcg_gen_subi_tl(cpu_A0, cpu_regs[R_ESP], size);
|
|
|
|
if (!CODE64(s)) {
|
|
if (s->addseg) {
|
|
new_esp = cpu_tmp4;
|
|
tcg_gen_mov_tl(new_esp, cpu_A0);
|
|
}
|
|
gen_lea_v_seg(s, a_ot, cpu_A0, R_SS, -1);
|
|
}
|
|
|
|
gen_op_st_v(s, d_ot, val, cpu_A0);
|
|
gen_op_mov_reg_v(a_ot, R_ESP, new_esp);
|
|
}
|
|
|
|
/* two step pop is necessary for precise exceptions */
|
|
static TCGMemOp gen_pop_T0(DisasContext *s)
|
|
{
|
|
TCGMemOp d_ot = mo_pushpop(s, s->dflag);
|
|
|
|
gen_lea_v_seg(s, mo_stacksize(s), cpu_regs[R_ESP], R_SS, -1);
|
|
gen_op_ld_v(s, d_ot, cpu_T0, cpu_A0);
|
|
|
|
return d_ot;
|
|
}
|
|
|
|
static inline void gen_pop_update(DisasContext *s, TCGMemOp ot)
|
|
{
|
|
gen_stack_update(s, 1 << ot);
|
|
}
|
|
|
|
static inline void gen_stack_A0(DisasContext *s)
|
|
{
|
|
gen_lea_v_seg(s, s->ss32 ? MO_32 : MO_16, cpu_regs[R_ESP], R_SS, -1);
|
|
}
|
|
|
|
static void gen_pusha(DisasContext *s)
|
|
{
|
|
TCGMemOp s_ot = s->ss32 ? MO_32 : MO_16;
|
|
TCGMemOp d_ot = s->dflag;
|
|
int size = 1 << d_ot;
|
|
int i;
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
tcg_gen_addi_tl(cpu_A0, cpu_regs[R_ESP], (i - 8) * size);
|
|
gen_lea_v_seg(s, s_ot, cpu_A0, R_SS, -1);
|
|
gen_op_st_v(s, d_ot, cpu_regs[7 - i], cpu_A0);
|
|
}
|
|
|
|
gen_stack_update(s, -8 * size);
|
|
}
|
|
|
|
static void gen_popa(DisasContext *s)
|
|
{
|
|
TCGMemOp s_ot = s->ss32 ? MO_32 : MO_16;
|
|
TCGMemOp d_ot = s->dflag;
|
|
int size = 1 << d_ot;
|
|
int i;
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
/* ESP is not reloaded */
|
|
if (7 - i == R_ESP) {
|
|
continue;
|
|
}
|
|
tcg_gen_addi_tl(cpu_A0, cpu_regs[R_ESP], i * size);
|
|
gen_lea_v_seg(s, s_ot, cpu_A0, R_SS, -1);
|
|
gen_op_ld_v(s, d_ot, cpu_T0, cpu_A0);
|
|
gen_op_mov_reg_v(d_ot, 7 - i, cpu_T0);
|
|
}
|
|
|
|
gen_stack_update(s, 8 * size);
|
|
}
|
|
|
|
static void gen_enter(DisasContext *s, int esp_addend, int level)
|
|
{
|
|
TCGMemOp d_ot = mo_pushpop(s, s->dflag);
|
|
TCGMemOp a_ot = CODE64(s) ? MO_64 : s->ss32 ? MO_32 : MO_16;
|
|
int size = 1 << d_ot;
|
|
|
|
/* Push BP; compute FrameTemp into T1. */
|
|
tcg_gen_subi_tl(cpu_T1, cpu_regs[R_ESP], size);
|
|
gen_lea_v_seg(s, a_ot, cpu_T1, R_SS, -1);
|
|
gen_op_st_v(s, d_ot, cpu_regs[R_EBP], cpu_A0);
|
|
|
|
level &= 31;
|
|
if (level != 0) {
|
|
int i;
|
|
|
|
/* Copy level-1 pointers from the previous frame. */
|
|
for (i = 1; i < level; ++i) {
|
|
tcg_gen_subi_tl(cpu_A0, cpu_regs[R_EBP], size * i);
|
|
gen_lea_v_seg(s, a_ot, cpu_A0, R_SS, -1);
|
|
gen_op_ld_v(s, d_ot, cpu_tmp0, cpu_A0);
|
|
|
|
tcg_gen_subi_tl(cpu_A0, cpu_T1, size * i);
|
|
gen_lea_v_seg(s, a_ot, cpu_A0, R_SS, -1);
|
|
gen_op_st_v(s, d_ot, cpu_tmp0, cpu_A0);
|
|
}
|
|
|
|
/* Push the current FrameTemp as the last level. */
|
|
tcg_gen_subi_tl(cpu_A0, cpu_T1, size * level);
|
|
gen_lea_v_seg(s, a_ot, cpu_A0, R_SS, -1);
|
|
gen_op_st_v(s, d_ot, cpu_T1, cpu_A0);
|
|
}
|
|
|
|
/* Copy the FrameTemp value to EBP. */
|
|
gen_op_mov_reg_v(a_ot, R_EBP, cpu_T1);
|
|
|
|
/* Compute the final value of ESP. */
|
|
tcg_gen_subi_tl(cpu_T1, cpu_T1, esp_addend + size * level);
|
|
gen_op_mov_reg_v(a_ot, R_ESP, cpu_T1);
|
|
}
|
|
|
|
static void gen_leave(DisasContext *s)
|
|
{
|
|
TCGMemOp d_ot = mo_pushpop(s, s->dflag);
|
|
TCGMemOp a_ot = mo_stacksize(s);
|
|
|
|
gen_lea_v_seg(s, a_ot, cpu_regs[R_EBP], R_SS, -1);
|
|
gen_op_ld_v(s, d_ot, cpu_T0, cpu_A0);
|
|
|
|
tcg_gen_addi_tl(cpu_T1, cpu_regs[R_EBP], 1 << d_ot);
|
|
|
|
gen_op_mov_reg_v(d_ot, R_EBP, cpu_T0);
|
|
gen_op_mov_reg_v(a_ot, R_ESP, cpu_T1);
|
|
}
|
|
|
|
static void gen_exception(DisasContext *s, int trapno, target_ulong cur_eip)
|
|
{
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(cur_eip);
|
|
gen_helper_raise_exception(cpu_env, tcg_const_i32(trapno));
|
|
s->is_jmp = DISAS_TB_JUMP;
|
|
}
|
|
|
|
/* Generate #UD for the current instruction. The assumption here is that
|
|
the instruction is known, but it isn't allowed in the current cpu mode. */
|
|
static void gen_illegal_opcode(DisasContext *s)
|
|
{
|
|
gen_exception(s, EXCP06_ILLOP, s->pc_start - s->cs_base);
|
|
}
|
|
|
|
/* Similarly, except that the assumption here is that we don't decode
|
|
the instruction at all -- either a missing opcode, an unimplemented
|
|
feature, or just a bogus instruction stream. */
|
|
static void gen_unknown_opcode(CPUX86State *env, DisasContext *s)
|
|
{
|
|
gen_illegal_opcode(s);
|
|
|
|
if (qemu_loglevel_mask(LOG_UNIMP)) {
|
|
target_ulong pc = s->pc_start, end = s->pc;
|
|
qemu_log("ILLOPC: " TARGET_FMT_lx ":", pc);
|
|
for (; pc < end; ++pc) {
|
|
qemu_log(" %02x", cpu_ldub_code(env, pc));
|
|
}
|
|
qemu_log("\n");
|
|
}
|
|
}
|
|
|
|
/* 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)
|
|
{
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(cur_eip);
|
|
gen_helper_raise_interrupt(cpu_env, tcg_const_i32(intno),
|
|
tcg_const_i32(next_eip - cur_eip));
|
|
s->is_jmp = DISAS_TB_JUMP;
|
|
}
|
|
|
|
static void gen_debug(DisasContext *s, target_ulong cur_eip)
|
|
{
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(cur_eip);
|
|
gen_helper_debug(cpu_env);
|
|
s->is_jmp = DISAS_TB_JUMP;
|
|
}
|
|
|
|
static void gen_set_hflag(DisasContext *s, uint32_t mask)
|
|
{
|
|
if ((s->flags & mask) == 0) {
|
|
TCGv_i32 t = tcg_temp_new_i32();
|
|
tcg_gen_ld_i32(t, cpu_env, offsetof(CPUX86State, hflags));
|
|
tcg_gen_ori_i32(t, t, mask);
|
|
tcg_gen_st_i32(t, cpu_env, offsetof(CPUX86State, hflags));
|
|
tcg_temp_free_i32(t);
|
|
s->flags |= mask;
|
|
}
|
|
}
|
|
|
|
static void gen_reset_hflag(DisasContext *s, uint32_t mask)
|
|
{
|
|
if (s->flags & mask) {
|
|
TCGv_i32 t = tcg_temp_new_i32();
|
|
tcg_gen_ld_i32(t, cpu_env, offsetof(CPUX86State, hflags));
|
|
tcg_gen_andi_i32(t, t, ~mask);
|
|
tcg_gen_st_i32(t, cpu_env, offsetof(CPUX86State, hflags));
|
|
tcg_temp_free_i32(t);
|
|
s->flags &= ~mask;
|
|
}
|
|
}
|
|
|
|
/* Clear BND registers during legacy branches. */
|
|
static void gen_bnd_jmp(DisasContext *s)
|
|
{
|
|
/* Clear the registers only if BND prefix is missing, MPX is enabled,
|
|
and if the BNDREGs are known to be in use (non-zero) already.
|
|
The helper itself will check BNDPRESERVE at runtime. */
|
|
if ((s->prefix & PREFIX_REPNZ) == 0
|
|
&& (s->flags & HF_MPX_EN_MASK) != 0
|
|
&& (s->flags & HF_MPX_IU_MASK) != 0) {
|
|
gen_helper_bnd_jmp(cpu_env);
|
|
}
|
|
}
|
|
|
|
/* Generate an end of block. Trace exception is also generated if needed.
|
|
If IIM, set HF_INHIBIT_IRQ_MASK if it isn't already set. */
|
|
static void gen_eob_inhibit_irq(DisasContext *s, bool inhibit)
|
|
{
|
|
gen_update_cc_op(s);
|
|
|
|
/* If several instructions disable interrupts, only the first does it. */
|
|
if (inhibit && !(s->flags & HF_INHIBIT_IRQ_MASK)) {
|
|
gen_set_hflag(s, HF_INHIBIT_IRQ_MASK);
|
|
} else {
|
|
gen_reset_hflag(s, HF_INHIBIT_IRQ_MASK);
|
|
}
|
|
|
|
if (s->tb->flags & HF_RF_MASK) {
|
|
gen_helper_reset_rf(cpu_env);
|
|
}
|
|
if (s->singlestep_enabled) {
|
|
gen_helper_debug(cpu_env);
|
|
} else if (s->tf) {
|
|
gen_helper_single_step(cpu_env);
|
|
} else {
|
|
tcg_gen_exit_tb(0);
|
|
}
|
|
s->is_jmp = DISAS_TB_JUMP;
|
|
}
|
|
|
|
/* End of block, resetting the inhibit irq flag. */
|
|
static void gen_eob(DisasContext *s)
|
|
{
|
|
gen_eob_inhibit_irq(s, false);
|
|
}
|
|
|
|
/* 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)
|
|
{
|
|
gen_update_cc_op(s);
|
|
set_cc_op(s, CC_OP_DYNAMIC);
|
|
if (s->jmp_opt) {
|
|
gen_goto_tb(s, tb_num, eip);
|
|
s->is_jmp = DISAS_TB_JUMP;
|
|
} 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(DisasContext *s, int offset)
|
|
{
|
|
tcg_gen_qemu_ld_i64(cpu_tmp1_i64, cpu_A0, s->mem_index, MO_LEQ);
|
|
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, offset);
|
|
}
|
|
|
|
static inline void gen_stq_env_A0(DisasContext *s, int offset)
|
|
{
|
|
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, offset);
|
|
tcg_gen_qemu_st_i64(cpu_tmp1_i64, cpu_A0, s->mem_index, MO_LEQ);
|
|
}
|
|
|
|
static inline void gen_ldo_env_A0(DisasContext *s, int offset)
|
|
{
|
|
int mem_index = s->mem_index;
|
|
tcg_gen_qemu_ld_i64(cpu_tmp1_i64, cpu_A0, mem_index, MO_LEQ);
|
|
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(ZMMReg, ZMM_Q(0)));
|
|
tcg_gen_addi_tl(cpu_tmp0, cpu_A0, 8);
|
|
tcg_gen_qemu_ld_i64(cpu_tmp1_i64, cpu_tmp0, mem_index, MO_LEQ);
|
|
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(ZMMReg, ZMM_Q(1)));
|
|
}
|
|
|
|
static inline void gen_sto_env_A0(DisasContext *s, int offset)
|
|
{
|
|
int mem_index = s->mem_index;
|
|
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(ZMMReg, ZMM_Q(0)));
|
|
tcg_gen_qemu_st_i64(cpu_tmp1_i64, cpu_A0, mem_index, MO_LEQ);
|
|
tcg_gen_addi_tl(cpu_tmp0, cpu_A0, 8);
|
|
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(ZMMReg, ZMM_Q(1)));
|
|
tcg_gen_qemu_st_i64(cpu_tmp1_i64, cpu_tmp0, mem_index, MO_LEQ);
|
|
}
|
|
|
|
static inline void gen_op_movo(int d_offset, int s_offset)
|
|
{
|
|
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, s_offset + offsetof(ZMMReg, ZMM_Q(0)));
|
|
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset + offsetof(ZMMReg, ZMM_Q(0)));
|
|
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, s_offset + offsetof(ZMMReg, ZMM_Q(1)));
|
|
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset + offsetof(ZMMReg, ZMM_Q(1)));
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
typedef void (*SSEFunc_i_ep)(TCGv_i32 val, TCGv_ptr env, TCGv_ptr reg);
|
|
typedef void (*SSEFunc_l_ep)(TCGv_i64 val, TCGv_ptr env, TCGv_ptr reg);
|
|
typedef void (*SSEFunc_0_epi)(TCGv_ptr env, TCGv_ptr reg, TCGv_i32 val);
|
|
typedef void (*SSEFunc_0_epl)(TCGv_ptr env, TCGv_ptr reg, TCGv_i64 val);
|
|
typedef void (*SSEFunc_0_epp)(TCGv_ptr env, TCGv_ptr reg_a, TCGv_ptr reg_b);
|
|
typedef void (*SSEFunc_0_eppi)(TCGv_ptr env, TCGv_ptr reg_a, TCGv_ptr reg_b,
|
|
TCGv_i32 val);
|
|
typedef void (*SSEFunc_0_ppi)(TCGv_ptr reg_a, TCGv_ptr reg_b, TCGv_i32 val);
|
|
typedef void (*SSEFunc_0_eppt)(TCGv_ptr env, TCGv_ptr reg_a, TCGv_ptr reg_b,
|
|
TCGv val);
|
|
|
|
#define SSE_SPECIAL ((void *)1)
|
|
#define SSE_DUMMY ((void *)2)
|
|
|
|
#define MMX_OP2(x) { gen_helper_ ## x ## _mmx, gen_helper_ ## x ## _xmm }
|
|
#define SSE_FOP(x) { gen_helper_ ## x ## ps, gen_helper_ ## x ## pd, \
|
|
gen_helper_ ## x ## ss, gen_helper_ ## x ## sd, }
|
|
|
|
static const SSEFunc_0_epp sse_op_table1[256][4] = {
|
|
/* 3DNow! extensions */
|
|
[0x0e] = { SSE_DUMMY }, /* femms */
|
|
[0x0f] = { SSE_DUMMY }, /* pf... */
|
|
/* pure SSE operations */
|
|
[0x10] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movups, movupd, movss, movsd */
|
|
[0x11] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movups, movupd, movss, movsd */
|
|
[0x12] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movlps, movlpd, movsldup, movddup */
|
|
[0x13] = { SSE_SPECIAL, SSE_SPECIAL }, /* movlps, movlpd */
|
|
[0x14] = { gen_helper_punpckldq_xmm, gen_helper_punpcklqdq_xmm },
|
|
[0x15] = { gen_helper_punpckhdq_xmm, gen_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, SSE_SPECIAL, SSE_SPECIAL }, /* movntps, movntpd, movntss, movntsd */
|
|
[0x2c] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvttps2pi, cvttpd2pi, cvttsd2si, cvttss2si */
|
|
[0x2d] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvtps2pi, cvtpd2pi, cvtsd2si, cvtss2si */
|
|
[0x2e] = { gen_helper_ucomiss, gen_helper_ucomisd },
|
|
[0x2f] = { gen_helper_comiss, gen_helper_comisd },
|
|
[0x50] = { SSE_SPECIAL, SSE_SPECIAL }, /* movmskps, movmskpd */
|
|
[0x51] = SSE_FOP(sqrt),
|
|
[0x52] = { gen_helper_rsqrtps, NULL, gen_helper_rsqrtss, NULL },
|
|
[0x53] = { gen_helper_rcpps, NULL, gen_helper_rcpss, NULL },
|
|
[0x54] = { gen_helper_pand_xmm, gen_helper_pand_xmm }, /* andps, andpd */
|
|
[0x55] = { gen_helper_pandn_xmm, gen_helper_pandn_xmm }, /* andnps, andnpd */
|
|
[0x56] = { gen_helper_por_xmm, gen_helper_por_xmm }, /* orps, orpd */
|
|
[0x57] = { gen_helper_pxor_xmm, gen_helper_pxor_xmm }, /* xorps, xorpd */
|
|
[0x58] = SSE_FOP(add),
|
|
[0x59] = SSE_FOP(mul),
|
|
[0x5a] = { gen_helper_cvtps2pd, gen_helper_cvtpd2ps,
|
|
gen_helper_cvtss2sd, gen_helper_cvtsd2ss },
|
|
[0x5b] = { gen_helper_cvtdq2ps, gen_helper_cvtps2dq, gen_helper_cvttps2dq },
|
|
[0x5c] = SSE_FOP(sub),
|
|
[0x5d] = SSE_FOP(min),
|
|
[0x5e] = SSE_FOP(div),
|
|
[0x5f] = SSE_FOP(max),
|
|
|
|
[0xc2] = SSE_FOP(cmpeq),
|
|
[0xc6] = { (SSEFunc_0_epp)gen_helper_shufps,
|
|
(SSEFunc_0_epp)gen_helper_shufpd }, /* XXX: casts */
|
|
|
|
/* SSSE3, SSE4, MOVBE, CRC32, BMI1, BMI2, ADX. */
|
|
[0x38] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL },
|
|
[0x3a] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL },
|
|
|
|
/* MMX ops and their SSE extensions */
|
|
[0x60] = MMX_OP2(punpcklbw),
|
|
[0x61] = MMX_OP2(punpcklwd),
|
|
[0x62] = MMX_OP2(punpckldq),
|
|
[0x63] = MMX_OP2(packsswb),
|
|
[0x64] = MMX_OP2(pcmpgtb),
|
|
[0x65] = MMX_OP2(pcmpgtw),
|
|
[0x66] = MMX_OP2(pcmpgtl),
|
|
[0x67] = MMX_OP2(packuswb),
|
|
[0x68] = MMX_OP2(punpckhbw),
|
|
[0x69] = MMX_OP2(punpckhwd),
|
|
[0x6a] = MMX_OP2(punpckhdq),
|
|
[0x6b] = MMX_OP2(packssdw),
|
|
[0x6c] = { NULL, gen_helper_punpcklqdq_xmm },
|
|
[0x6d] = { NULL, gen_helper_punpckhqdq_xmm },
|
|
[0x6e] = { SSE_SPECIAL, SSE_SPECIAL }, /* movd mm, ea */
|
|
[0x6f] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movq, movdqa, , movqdu */
|
|
[0x70] = { (SSEFunc_0_epp)gen_helper_pshufw_mmx,
|
|
(SSEFunc_0_epp)gen_helper_pshufd_xmm,
|
|
(SSEFunc_0_epp)gen_helper_pshufhw_xmm,
|
|
(SSEFunc_0_epp)gen_helper_pshuflw_xmm }, /* XXX: casts */
|
|
[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 */
|
|
[0x78] = { NULL, SSE_SPECIAL, NULL, SSE_SPECIAL }, /* extrq_i, insertq_i */
|
|
[0x79] = { NULL, gen_helper_extrq_r, NULL, gen_helper_insertq_r },
|
|
[0x7c] = { NULL, gen_helper_haddpd, NULL, gen_helper_haddps },
|
|
[0x7d] = { NULL, gen_helper_hsubpd, NULL, gen_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, gen_helper_addsubpd, NULL, gen_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, gen_helper_cvttpd2dq, gen_helper_cvtdq2pd, gen_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] = { (SSEFunc_0_epp)gen_helper_maskmov_mmx,
|
|
(SSEFunc_0_epp)gen_helper_maskmov_xmm }, /* XXX: casts */
|
|
[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 const SSEFunc_0_epp sse_op_table2[3 * 8][2] = {
|
|
[0 + 2] = MMX_OP2(psrlw),
|
|
[0 + 4] = MMX_OP2(psraw),
|
|
[0 + 6] = MMX_OP2(psllw),
|
|
[8 + 2] = MMX_OP2(psrld),
|
|
[8 + 4] = MMX_OP2(psrad),
|
|
[8 + 6] = MMX_OP2(pslld),
|
|
[16 + 2] = MMX_OP2(psrlq),
|
|
[16 + 3] = { NULL, gen_helper_psrldq_xmm },
|
|
[16 + 6] = MMX_OP2(psllq),
|
|
[16 + 7] = { NULL, gen_helper_pslldq_xmm },
|
|
};
|
|
|
|
static const SSEFunc_0_epi sse_op_table3ai[] = {
|
|
gen_helper_cvtsi2ss,
|
|
gen_helper_cvtsi2sd
|
|
};
|
|
|
|
#ifdef TARGET_X86_64
|
|
static const SSEFunc_0_epl sse_op_table3aq[] = {
|
|
gen_helper_cvtsq2ss,
|
|
gen_helper_cvtsq2sd
|
|
};
|
|
#endif
|
|
|
|
static const SSEFunc_i_ep sse_op_table3bi[] = {
|
|
gen_helper_cvttss2si,
|
|
gen_helper_cvtss2si,
|
|
gen_helper_cvttsd2si,
|
|
gen_helper_cvtsd2si
|
|
};
|
|
|
|
#ifdef TARGET_X86_64
|
|
static const SSEFunc_l_ep sse_op_table3bq[] = {
|
|
gen_helper_cvttss2sq,
|
|
gen_helper_cvtss2sq,
|
|
gen_helper_cvttsd2sq,
|
|
gen_helper_cvtsd2sq
|
|
};
|
|
#endif
|
|
|
|
static const SSEFunc_0_epp 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 const SSEFunc_0_epp sse_op_table5[256] = {
|
|
[0x0c] = gen_helper_pi2fw,
|
|
[0x0d] = gen_helper_pi2fd,
|
|
[0x1c] = gen_helper_pf2iw,
|
|
[0x1d] = gen_helper_pf2id,
|
|
[0x8a] = gen_helper_pfnacc,
|
|
[0x8e] = gen_helper_pfpnacc,
|
|
[0x90] = gen_helper_pfcmpge,
|
|
[0x94] = gen_helper_pfmin,
|
|
[0x96] = gen_helper_pfrcp,
|
|
[0x97] = gen_helper_pfrsqrt,
|
|
[0x9a] = gen_helper_pfsub,
|
|
[0x9e] = gen_helper_pfadd,
|
|
[0xa0] = gen_helper_pfcmpgt,
|
|
[0xa4] = gen_helper_pfmax,
|
|
[0xa6] = gen_helper_movq, /* pfrcpit1; no need to actually increase precision */
|
|
[0xa7] = gen_helper_movq, /* pfrsqit1 */
|
|
[0xaa] = gen_helper_pfsubr,
|
|
[0xae] = gen_helper_pfacc,
|
|
[0xb0] = gen_helper_pfcmpeq,
|
|
[0xb4] = gen_helper_pfmul,
|
|
[0xb6] = gen_helper_movq, /* pfrcpit2 */
|
|
[0xb7] = gen_helper_pmulhrw_mmx,
|
|
[0xbb] = gen_helper_pswapd,
|
|
[0xbf] = gen_helper_pavgb_mmx /* pavgusb */
|
|
};
|
|
|
|
struct SSEOpHelper_epp {
|
|
SSEFunc_0_epp op[2];
|
|
uint32_t ext_mask;
|
|
};
|
|
|
|
struct SSEOpHelper_eppi {
|
|
SSEFunc_0_eppi op[2];
|
|
uint32_t ext_mask;
|
|
};
|
|
|
|
#define SSSE3_OP(x) { MMX_OP2(x), CPUID_EXT_SSSE3 }
|
|
#define SSE41_OP(x) { { NULL, gen_helper_ ## x ## _xmm }, CPUID_EXT_SSE41 }
|
|
#define SSE42_OP(x) { { NULL, gen_helper_ ## x ## _xmm }, CPUID_EXT_SSE42 }
|
|
#define SSE41_SPECIAL { { NULL, SSE_SPECIAL }, CPUID_EXT_SSE41 }
|
|
#define PCLMULQDQ_OP(x) { { NULL, gen_helper_ ## x ## _xmm }, \
|
|
CPUID_EXT_PCLMULQDQ }
|
|
#define AESNI_OP(x) { { NULL, gen_helper_ ## x ## _xmm }, CPUID_EXT_AES }
|
|
|
|
static const struct SSEOpHelper_epp sse_op_table6[256] = {
|
|
[0x00] = SSSE3_OP(pshufb),
|
|
[0x01] = SSSE3_OP(phaddw),
|
|
[0x02] = SSSE3_OP(phaddd),
|
|
[0x03] = SSSE3_OP(phaddsw),
|
|
[0x04] = SSSE3_OP(pmaddubsw),
|
|
[0x05] = SSSE3_OP(phsubw),
|
|
[0x06] = SSSE3_OP(phsubd),
|
|
[0x07] = SSSE3_OP(phsubsw),
|
|
[0x08] = SSSE3_OP(psignb),
|
|
[0x09] = SSSE3_OP(psignw),
|
|
[0x0a] = SSSE3_OP(psignd),
|
|
[0x0b] = SSSE3_OP(pmulhrsw),
|
|
[0x10] = SSE41_OP(pblendvb),
|
|
[0x14] = SSE41_OP(blendvps),
|
|
[0x15] = SSE41_OP(blendvpd),
|
|
[0x17] = SSE41_OP(ptest),
|
|
[0x1c] = SSSE3_OP(pabsb),
|
|
[0x1d] = SSSE3_OP(pabsw),
|
|
[0x1e] = SSSE3_OP(pabsd),
|
|
[0x20] = SSE41_OP(pmovsxbw),
|
|
[0x21] = SSE41_OP(pmovsxbd),
|
|
[0x22] = SSE41_OP(pmovsxbq),
|
|
[0x23] = SSE41_OP(pmovsxwd),
|
|
[0x24] = SSE41_OP(pmovsxwq),
|
|
[0x25] = SSE41_OP(pmovsxdq),
|
|
[0x28] = SSE41_OP(pmuldq),
|
|
[0x29] = SSE41_OP(pcmpeqq),
|
|
[0x2a] = SSE41_SPECIAL, /* movntqda */
|
|
[0x2b] = SSE41_OP(packusdw),
|
|
[0x30] = SSE41_OP(pmovzxbw),
|
|
[0x31] = SSE41_OP(pmovzxbd),
|
|
[0x32] = SSE41_OP(pmovzxbq),
|
|
[0x33] = SSE41_OP(pmovzxwd),
|
|
[0x34] = SSE41_OP(pmovzxwq),
|
|
[0x35] = SSE41_OP(pmovzxdq),
|
|
[0x37] = SSE42_OP(pcmpgtq),
|
|
[0x38] = SSE41_OP(pminsb),
|
|
[0x39] = SSE41_OP(pminsd),
|
|
[0x3a] = SSE41_OP(pminuw),
|
|
[0x3b] = SSE41_OP(pminud),
|
|
[0x3c] = SSE41_OP(pmaxsb),
|
|
[0x3d] = SSE41_OP(pmaxsd),
|
|
[0x3e] = SSE41_OP(pmaxuw),
|
|
[0x3f] = SSE41_OP(pmaxud),
|
|
[0x40] = SSE41_OP(pmulld),
|
|
[0x41] = SSE41_OP(phminposuw),
|
|
[0xdb] = AESNI_OP(aesimc),
|
|
[0xdc] = AESNI_OP(aesenc),
|
|
[0xdd] = AESNI_OP(aesenclast),
|
|
[0xde] = AESNI_OP(aesdec),
|
|
[0xdf] = AESNI_OP(aesdeclast),
|
|
};
|
|
|
|
static const struct SSEOpHelper_eppi sse_op_table7[256] = {
|
|
[0x08] = SSE41_OP(roundps),
|
|
[0x09] = SSE41_OP(roundpd),
|
|
[0x0a] = SSE41_OP(roundss),
|
|
[0x0b] = SSE41_OP(roundsd),
|
|
[0x0c] = SSE41_OP(blendps),
|
|
[0x0d] = SSE41_OP(blendpd),
|
|
[0x0e] = SSE41_OP(pblendw),
|
|
[0x0f] = SSSE3_OP(palignr),
|
|
[0x14] = SSE41_SPECIAL, /* pextrb */
|
|
[0x15] = SSE41_SPECIAL, /* pextrw */
|
|
[0x16] = SSE41_SPECIAL, /* pextrd/pextrq */
|
|
[0x17] = SSE41_SPECIAL, /* extractps */
|
|
[0x20] = SSE41_SPECIAL, /* pinsrb */
|
|
[0x21] = SSE41_SPECIAL, /* insertps */
|
|
[0x22] = SSE41_SPECIAL, /* pinsrd/pinsrq */
|
|
[0x40] = SSE41_OP(dpps),
|
|
[0x41] = SSE41_OP(dppd),
|
|
[0x42] = SSE41_OP(mpsadbw),
|
|
[0x44] = PCLMULQDQ_OP(pclmulqdq),
|
|
[0x60] = SSE42_OP(pcmpestrm),
|
|
[0x61] = SSE42_OP(pcmpestri),
|
|
[0x62] = SSE42_OP(pcmpistrm),
|
|
[0x63] = SSE42_OP(pcmpistri),
|
|
[0xdf] = AESNI_OP(aeskeygenassist),
|
|
};
|
|
|
|
static void gen_sse(CPUX86State *env, DisasContext *s, int b,
|
|
target_ulong pc_start, int rex_r)
|
|
{
|
|
int b1, op1_offset, op2_offset, is_xmm, val;
|
|
int modrm, mod, rm, reg;
|
|
SSEFunc_0_epp sse_fn_epp;
|
|
SSEFunc_0_eppi sse_fn_eppi;
|
|
SSEFunc_0_ppi sse_fn_ppi;
|
|
SSEFunc_0_eppt sse_fn_eppt;
|
|
TCGMemOp ot;
|
|
|
|
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_fn_epp = sse_op_table1[b][b1];
|
|
if (!sse_fn_epp) {
|
|
goto unknown_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_illegal_opcode(s);
|
|
return;
|
|
}
|
|
if (is_xmm
|
|
&& !(s->flags & HF_OSFXSR_MASK)
|
|
&& ((b != 0x38 && b != 0x3a) || (s->prefix & PREFIX_DATA))) {
|
|
goto unknown_op;
|
|
}
|
|
if (b == 0x0e) {
|
|
if (!(s->cpuid_ext2_features & CPUID_EXT2_3DNOW)) {
|
|
/* If we were fully decoding this we might use illegal_op. */
|
|
goto unknown_op;
|
|
}
|
|
/* femms */
|
|
gen_helper_emms(cpu_env);
|
|
return;
|
|
}
|
|
if (b == 0x77) {
|
|
/* emms */
|
|
gen_helper_emms(cpu_env);
|
|
return;
|
|
}
|
|
/* prepare MMX state (XXX: optimize by storing fptt and fptags in
|
|
the static cpu state) */
|
|
if (!is_xmm) {
|
|
gen_helper_enter_mmx(cpu_env);
|
|
}
|
|
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
reg = ((modrm >> 3) & 7);
|
|
if (is_xmm)
|
|
reg |= rex_r;
|
|
mod = (modrm >> 6) & 3;
|
|
if (sse_fn_epp == SSE_SPECIAL) {
|
|
b |= (b1 << 8);
|
|
switch(b) {
|
|
case 0x0e7: /* movntq */
|
|
if (mod == 3) {
|
|
goto illegal_op;
|
|
}
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_stq_env_A0(s, offsetof(CPUX86State, fpregs[reg].mmx));
|
|
break;
|
|
case 0x1e7: /* movntdq */
|
|
case 0x02b: /* movntps */
|
|
case 0x12b: /* movntps */
|
|
if (mod == 3)
|
|
goto illegal_op;
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_sto_env_A0(s, offsetof(CPUX86State, xmm_regs[reg]));
|
|
break;
|
|
case 0x3f0: /* lddqu */
|
|
if (mod == 3)
|
|
goto illegal_op;
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_ldo_env_A0(s, offsetof(CPUX86State, xmm_regs[reg]));
|
|
break;
|
|
case 0x22b: /* movntss */
|
|
case 0x32b: /* movntsd */
|
|
if (mod == 3)
|
|
goto illegal_op;
|
|
gen_lea_modrm(env, s, modrm);
|
|
if (b1 & 1) {
|
|
gen_stq_env_A0(s, offsetof(CPUX86State,
|
|
xmm_regs[reg].ZMM_Q(0)));
|
|
} else {
|
|
tcg_gen_ld32u_tl(cpu_T0, cpu_env, offsetof(CPUX86State,
|
|
xmm_regs[reg].ZMM_L(0)));
|
|
gen_op_st_v(s, MO_32, cpu_T0, cpu_A0);
|
|
}
|
|
break;
|
|
case 0x6e: /* movd mm, ea */
|
|
#ifdef TARGET_X86_64
|
|
if (s->dflag == MO_64) {
|
|
gen_ldst_modrm(env, s, modrm, MO_64, OR_TMP0, 0);
|
|
tcg_gen_st_tl(cpu_T0, cpu_env, offsetof(CPUX86State,fpregs[reg].mmx));
|
|
} else
|
|
#endif
|
|
{
|
|
gen_ldst_modrm(env, s, modrm, MO_32, OR_TMP0, 0);
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env,
|
|
offsetof(CPUX86State,fpregs[reg].mmx));
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
|
|
gen_helper_movl_mm_T0_mmx(cpu_ptr0, cpu_tmp2_i32);
|
|
}
|
|
break;
|
|
case 0x16e: /* movd xmm, ea */
|
|
#ifdef TARGET_X86_64
|
|
if (s->dflag == MO_64) {
|
|
gen_ldst_modrm(env, s, modrm, MO_64, OR_TMP0, 0);
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env,
|
|
offsetof(CPUX86State,xmm_regs[reg]));
|
|
gen_helper_movq_mm_T0_xmm(cpu_ptr0, cpu_T0);
|
|
} else
|
|
#endif
|
|
{
|
|
gen_ldst_modrm(env, s, modrm, MO_32, 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_T0);
|
|
gen_helper_movl_mm_T0_xmm(cpu_ptr0, cpu_tmp2_i32);
|
|
}
|
|
break;
|
|
case 0x6f: /* movq mm, ea */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_ldq_env_A0(s, 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(env, s, modrm);
|
|
gen_ldo_env_A0(s, 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(env, s, modrm);
|
|
gen_op_ld_v(s, MO_32, cpu_T0, cpu_A0);
|
|
tcg_gen_st32_tl(cpu_T0, cpu_env, offsetof(CPUX86State,xmm_regs[reg].ZMM_L(0)));
|
|
tcg_gen_movi_tl(cpu_T0, 0);
|
|
tcg_gen_st32_tl(cpu_T0, cpu_env, offsetof(CPUX86State,xmm_regs[reg].ZMM_L(1)));
|
|
tcg_gen_st32_tl(cpu_T0, cpu_env, offsetof(CPUX86State,xmm_regs[reg].ZMM_L(2)));
|
|
tcg_gen_st32_tl(cpu_T0, cpu_env, offsetof(CPUX86State,xmm_regs[reg].ZMM_L(3)));
|
|
} else {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].ZMM_L(0)),
|
|
offsetof(CPUX86State,xmm_regs[rm].ZMM_L(0)));
|
|
}
|
|
break;
|
|
case 0x310: /* movsd xmm, ea */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_ldq_env_A0(s, offsetof(CPUX86State,
|
|
xmm_regs[reg].ZMM_Q(0)));
|
|
tcg_gen_movi_tl(cpu_T0, 0);
|
|
tcg_gen_st32_tl(cpu_T0, cpu_env, offsetof(CPUX86State,xmm_regs[reg].ZMM_L(2)));
|
|
tcg_gen_st32_tl(cpu_T0, cpu_env, offsetof(CPUX86State,xmm_regs[reg].ZMM_L(3)));
|
|
} else {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].ZMM_Q(0)),
|
|
offsetof(CPUX86State,xmm_regs[rm].ZMM_Q(0)));
|
|
}
|
|
break;
|
|
case 0x012: /* movlps */
|
|
case 0x112: /* movlpd */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_ldq_env_A0(s, offsetof(CPUX86State,
|
|
xmm_regs[reg].ZMM_Q(0)));
|
|
} else {
|
|
/* movhlps */
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].ZMM_Q(0)),
|
|
offsetof(CPUX86State,xmm_regs[rm].ZMM_Q(1)));
|
|
}
|
|
break;
|
|
case 0x212: /* movsldup */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_ldo_env_A0(s, offsetof(CPUX86State, xmm_regs[reg]));
|
|
} else {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].ZMM_L(0)),
|
|
offsetof(CPUX86State,xmm_regs[rm].ZMM_L(0)));
|
|
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].ZMM_L(2)),
|
|
offsetof(CPUX86State,xmm_regs[rm].ZMM_L(2)));
|
|
}
|
|
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].ZMM_L(1)),
|
|
offsetof(CPUX86State,xmm_regs[reg].ZMM_L(0)));
|
|
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].ZMM_L(3)),
|
|
offsetof(CPUX86State,xmm_regs[reg].ZMM_L(2)));
|
|
break;
|
|
case 0x312: /* movddup */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_ldq_env_A0(s, offsetof(CPUX86State,
|
|
xmm_regs[reg].ZMM_Q(0)));
|
|
} else {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].ZMM_Q(0)),
|
|
offsetof(CPUX86State,xmm_regs[rm].ZMM_Q(0)));
|
|
}
|
|
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].ZMM_Q(1)),
|
|
offsetof(CPUX86State,xmm_regs[reg].ZMM_Q(0)));
|
|
break;
|
|
case 0x016: /* movhps */
|
|
case 0x116: /* movhpd */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_ldq_env_A0(s, offsetof(CPUX86State,
|
|
xmm_regs[reg].ZMM_Q(1)));
|
|
} else {
|
|
/* movlhps */
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].ZMM_Q(1)),
|
|
offsetof(CPUX86State,xmm_regs[rm].ZMM_Q(0)));
|
|
}
|
|
break;
|
|
case 0x216: /* movshdup */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_ldo_env_A0(s, offsetof(CPUX86State, xmm_regs[reg]));
|
|
} else {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].ZMM_L(1)),
|
|
offsetof(CPUX86State,xmm_regs[rm].ZMM_L(1)));
|
|
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].ZMM_L(3)),
|
|
offsetof(CPUX86State,xmm_regs[rm].ZMM_L(3)));
|
|
}
|
|
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].ZMM_L(0)),
|
|
offsetof(CPUX86State,xmm_regs[reg].ZMM_L(1)));
|
|
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].ZMM_L(2)),
|
|
offsetof(CPUX86State,xmm_regs[reg].ZMM_L(3)));
|
|
break;
|
|
case 0x178:
|
|
case 0x378:
|
|
{
|
|
int bit_index, field_length;
|
|
|
|
if (b1 == 1 && reg != 0)
|
|
goto illegal_op;
|
|
field_length = cpu_ldub_code(env, s->pc++) & 0x3F;
|
|
bit_index = cpu_ldub_code(env, s->pc++) & 0x3F;
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env,
|
|
offsetof(CPUX86State,xmm_regs[reg]));
|
|
if (b1 == 1)
|
|
gen_helper_extrq_i(cpu_env, cpu_ptr0,
|
|
tcg_const_i32(bit_index),
|
|
tcg_const_i32(field_length));
|
|
else
|
|
gen_helper_insertq_i(cpu_env, cpu_ptr0,
|
|
tcg_const_i32(bit_index),
|
|
tcg_const_i32(field_length));
|
|
}
|
|
break;
|
|
case 0x7e: /* movd ea, mm */
|
|
#ifdef TARGET_X86_64
|
|
if (s->dflag == MO_64) {
|
|
tcg_gen_ld_i64(cpu_T0, cpu_env,
|
|
offsetof(CPUX86State,fpregs[reg].mmx));
|
|
gen_ldst_modrm(env, s, modrm, MO_64, OR_TMP0, 1);
|
|
} else
|
|
#endif
|
|
{
|
|
tcg_gen_ld32u_tl(cpu_T0, cpu_env,
|
|
offsetof(CPUX86State,fpregs[reg].mmx.MMX_L(0)));
|
|
gen_ldst_modrm(env, s, modrm, MO_32, OR_TMP0, 1);
|
|
}
|
|
break;
|
|
case 0x17e: /* movd ea, xmm */
|
|
#ifdef TARGET_X86_64
|
|
if (s->dflag == MO_64) {
|
|
tcg_gen_ld_i64(cpu_T0, cpu_env,
|
|
offsetof(CPUX86State,xmm_regs[reg].ZMM_Q(0)));
|
|
gen_ldst_modrm(env, s, modrm, MO_64, OR_TMP0, 1);
|
|
} else
|
|
#endif
|
|
{
|
|
tcg_gen_ld32u_tl(cpu_T0, cpu_env,
|
|
offsetof(CPUX86State,xmm_regs[reg].ZMM_L(0)));
|
|
gen_ldst_modrm(env, s, modrm, MO_32, OR_TMP0, 1);
|
|
}
|
|
break;
|
|
case 0x27e: /* movq xmm, ea */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_ldq_env_A0(s, offsetof(CPUX86State,
|
|
xmm_regs[reg].ZMM_Q(0)));
|
|
} else {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].ZMM_Q(0)),
|
|
offsetof(CPUX86State,xmm_regs[rm].ZMM_Q(0)));
|
|
}
|
|
gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[reg].ZMM_Q(1)));
|
|
break;
|
|
case 0x7f: /* movq ea, mm */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_stq_env_A0(s, 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(env, s, modrm);
|
|
gen_sto_env_A0(s, 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(env, s, modrm);
|
|
tcg_gen_ld32u_tl(cpu_T0, cpu_env, offsetof(CPUX86State,xmm_regs[reg].ZMM_L(0)));
|
|
gen_op_st_v(s, MO_32, cpu_T0, cpu_A0);
|
|
} else {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_movl(offsetof(CPUX86State,xmm_regs[rm].ZMM_L(0)),
|
|
offsetof(CPUX86State,xmm_regs[reg].ZMM_L(0)));
|
|
}
|
|
break;
|
|
case 0x311: /* movsd ea, xmm */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_stq_env_A0(s, offsetof(CPUX86State,
|
|
xmm_regs[reg].ZMM_Q(0)));
|
|
} else {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_movq(offsetof(CPUX86State,xmm_regs[rm].ZMM_Q(0)),
|
|
offsetof(CPUX86State,xmm_regs[reg].ZMM_Q(0)));
|
|
}
|
|
break;
|
|
case 0x013: /* movlps */
|
|
case 0x113: /* movlpd */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_stq_env_A0(s, offsetof(CPUX86State,
|
|
xmm_regs[reg].ZMM_Q(0)));
|
|
} else {
|
|
goto illegal_op;
|
|
}
|
|
break;
|
|
case 0x017: /* movhps */
|
|
case 0x117: /* movhpd */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_stq_env_A0(s, offsetof(CPUX86State,
|
|
xmm_regs[reg].ZMM_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:
|
|
if (b1 >= 2) {
|
|
goto unknown_op;
|
|
}
|
|
val = cpu_ldub_code(env, s->pc++);
|
|
if (is_xmm) {
|
|
tcg_gen_movi_tl(cpu_T0, val);
|
|
tcg_gen_st32_tl(cpu_T0, cpu_env, offsetof(CPUX86State,xmm_t0.ZMM_L(0)));
|
|
tcg_gen_movi_tl(cpu_T0, 0);
|
|
tcg_gen_st32_tl(cpu_T0, cpu_env, offsetof(CPUX86State,xmm_t0.ZMM_L(1)));
|
|
op1_offset = offsetof(CPUX86State,xmm_t0);
|
|
} else {
|
|
tcg_gen_movi_tl(cpu_T0, val);
|
|
tcg_gen_st32_tl(cpu_T0, cpu_env, offsetof(CPUX86State,mmx_t0.MMX_L(0)));
|
|
tcg_gen_movi_tl(cpu_T0, 0);
|
|
tcg_gen_st32_tl(cpu_T0, cpu_env, offsetof(CPUX86State,mmx_t0.MMX_L(1)));
|
|
op1_offset = offsetof(CPUX86State,mmx_t0);
|
|
}
|
|
sse_fn_epp = sse_op_table2[((b - 1) & 3) * 8 +
|
|
(((modrm >> 3)) & 7)][b1];
|
|
if (!sse_fn_epp) {
|
|
goto unknown_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);
|
|
sse_fn_epp(cpu_env, 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]));
|
|
gen_helper_movmskps(cpu_tmp2_i32, cpu_env, cpu_ptr0);
|
|
tcg_gen_extu_i32_tl(cpu_regs[reg], cpu_tmp2_i32);
|
|
break;
|
|
case 0x150: /* movmskpd */
|
|
rm = (modrm & 7) | REX_B(s);
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env,
|
|
offsetof(CPUX86State,xmm_regs[rm]));
|
|
gen_helper_movmskpd(cpu_tmp2_i32, cpu_env, cpu_ptr0);
|
|
tcg_gen_extu_i32_tl(cpu_regs[reg], cpu_tmp2_i32);
|
|
break;
|
|
case 0x02a: /* cvtpi2ps */
|
|
case 0x12a: /* cvtpi2pd */
|
|
gen_helper_enter_mmx(cpu_env);
|
|
if (mod != 3) {
|
|
gen_lea_modrm(env, s, modrm);
|
|
op2_offset = offsetof(CPUX86State,mmx_t0);
|
|
gen_ldq_env_A0(s, 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:
|
|
gen_helper_cvtpi2ps(cpu_env, cpu_ptr0, cpu_ptr1);
|
|
break;
|
|
default:
|
|
case 0x1:
|
|
gen_helper_cvtpi2pd(cpu_env, cpu_ptr0, cpu_ptr1);
|
|
break;
|
|
}
|
|
break;
|
|
case 0x22a: /* cvtsi2ss */
|
|
case 0x32a: /* cvtsi2sd */
|
|
ot = mo_64_32(s->dflag);
|
|
gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
|
|
op1_offset = offsetof(CPUX86State,xmm_regs[reg]);
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
|
|
if (ot == MO_32) {
|
|
SSEFunc_0_epi sse_fn_epi = sse_op_table3ai[(b >> 8) & 1];
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
|
|
sse_fn_epi(cpu_env, cpu_ptr0, cpu_tmp2_i32);
|
|
} else {
|
|
#ifdef TARGET_X86_64
|
|
SSEFunc_0_epl sse_fn_epl = sse_op_table3aq[(b >> 8) & 1];
|
|
sse_fn_epl(cpu_env, cpu_ptr0, cpu_T0);
|
|
#else
|
|
goto illegal_op;
|
|
#endif
|
|
}
|
|
break;
|
|
case 0x02c: /* cvttps2pi */
|
|
case 0x12c: /* cvttpd2pi */
|
|
case 0x02d: /* cvtps2pi */
|
|
case 0x12d: /* cvtpd2pi */
|
|
gen_helper_enter_mmx(cpu_env);
|
|
if (mod != 3) {
|
|
gen_lea_modrm(env, s, modrm);
|
|
op2_offset = offsetof(CPUX86State,xmm_t0);
|
|
gen_ldo_env_A0(s, 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:
|
|
gen_helper_cvttps2pi(cpu_env, cpu_ptr0, cpu_ptr1);
|
|
break;
|
|
case 0x12c:
|
|
gen_helper_cvttpd2pi(cpu_env, cpu_ptr0, cpu_ptr1);
|
|
break;
|
|
case 0x02d:
|
|
gen_helper_cvtps2pi(cpu_env, cpu_ptr0, cpu_ptr1);
|
|
break;
|
|
case 0x12d:
|
|
gen_helper_cvtpd2pi(cpu_env, cpu_ptr0, cpu_ptr1);
|
|
break;
|
|
}
|
|
break;
|
|
case 0x22c: /* cvttss2si */
|
|
case 0x32c: /* cvttsd2si */
|
|
case 0x22d: /* cvtss2si */
|
|
case 0x32d: /* cvtsd2si */
|
|
ot = mo_64_32(s->dflag);
|
|
if (mod != 3) {
|
|
gen_lea_modrm(env, s, modrm);
|
|
if ((b >> 8) & 1) {
|
|
gen_ldq_env_A0(s, offsetof(CPUX86State, xmm_t0.ZMM_Q(0)));
|
|
} else {
|
|
gen_op_ld_v(s, MO_32, cpu_T0, cpu_A0);
|
|
tcg_gen_st32_tl(cpu_T0, cpu_env, offsetof(CPUX86State,xmm_t0.ZMM_L(0)));
|
|
}
|
|
op2_offset = offsetof(CPUX86State,xmm_t0);
|
|
} else {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
op2_offset = offsetof(CPUX86State,xmm_regs[rm]);
|
|
}
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op2_offset);
|
|
if (ot == MO_32) {
|
|
SSEFunc_i_ep sse_fn_i_ep =
|
|
sse_op_table3bi[((b >> 7) & 2) | (b & 1)];
|
|
sse_fn_i_ep(cpu_tmp2_i32, cpu_env, cpu_ptr0);
|
|
tcg_gen_extu_i32_tl(cpu_T0, cpu_tmp2_i32);
|
|
} else {
|
|
#ifdef TARGET_X86_64
|
|
SSEFunc_l_ep sse_fn_l_ep =
|
|
sse_op_table3bq[((b >> 7) & 2) | (b & 1)];
|
|
sse_fn_l_ep(cpu_T0, cpu_env, cpu_ptr0);
|
|
#else
|
|
goto illegal_op;
|
|
#endif
|
|
}
|
|
gen_op_mov_reg_v(ot, reg, cpu_T0);
|
|
break;
|
|
case 0xc4: /* pinsrw */
|
|
case 0x1c4:
|
|
s->rip_offset = 1;
|
|
gen_ldst_modrm(env, s, modrm, MO_16, OR_TMP0, 0);
|
|
val = cpu_ldub_code(env, s->pc++);
|
|
if (b1) {
|
|
val &= 7;
|
|
tcg_gen_st16_tl(cpu_T0, cpu_env,
|
|
offsetof(CPUX86State,xmm_regs[reg].ZMM_W(val)));
|
|
} else {
|
|
val &= 3;
|
|
tcg_gen_st16_tl(cpu_T0, cpu_env,
|
|
offsetof(CPUX86State,fpregs[reg].mmx.MMX_W(val)));
|
|
}
|
|
break;
|
|
case 0xc5: /* pextrw */
|
|
case 0x1c5:
|
|
if (mod != 3)
|
|
goto illegal_op;
|
|
ot = mo_64_32(s->dflag);
|
|
val = cpu_ldub_code(env, s->pc++);
|
|
if (b1) {
|
|
val &= 7;
|
|
rm = (modrm & 7) | REX_B(s);
|
|
tcg_gen_ld16u_tl(cpu_T0, cpu_env,
|
|
offsetof(CPUX86State,xmm_regs[rm].ZMM_W(val)));
|
|
} else {
|
|
val &= 3;
|
|
rm = (modrm & 7);
|
|
tcg_gen_ld16u_tl(cpu_T0, cpu_env,
|
|
offsetof(CPUX86State,fpregs[rm].mmx.MMX_W(val)));
|
|
}
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
gen_op_mov_reg_v(ot, reg, cpu_T0);
|
|
break;
|
|
case 0x1d6: /* movq ea, xmm */
|
|
if (mod != 3) {
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_stq_env_A0(s, offsetof(CPUX86State,
|
|
xmm_regs[reg].ZMM_Q(0)));
|
|
} else {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_movq(offsetof(CPUX86State,xmm_regs[rm].ZMM_Q(0)),
|
|
offsetof(CPUX86State,xmm_regs[reg].ZMM_Q(0)));
|
|
gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[rm].ZMM_Q(1)));
|
|
}
|
|
break;
|
|
case 0x2d6: /* movq2dq */
|
|
gen_helper_enter_mmx(cpu_env);
|
|
rm = (modrm & 7);
|
|
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].ZMM_Q(0)),
|
|
offsetof(CPUX86State,fpregs[rm].mmx));
|
|
gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[reg].ZMM_Q(1)));
|
|
break;
|
|
case 0x3d6: /* movdq2q */
|
|
gen_helper_enter_mmx(cpu_env);
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_movq(offsetof(CPUX86State,fpregs[reg & 7].mmx),
|
|
offsetof(CPUX86State,xmm_regs[rm].ZMM_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]));
|
|
gen_helper_pmovmskb_xmm(cpu_tmp2_i32, cpu_env, cpu_ptr0);
|
|
} else {
|
|
rm = (modrm & 7);
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, offsetof(CPUX86State,fpregs[rm].mmx));
|
|
gen_helper_pmovmskb_mmx(cpu_tmp2_i32, cpu_env, cpu_ptr0);
|
|
}
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
tcg_gen_extu_i32_tl(cpu_regs[reg], cpu_tmp2_i32);
|
|
break;
|
|
|
|
case 0x138:
|
|
case 0x038:
|
|
b = modrm;
|
|
if ((b & 0xf0) == 0xf0) {
|
|
goto do_0f_38_fx;
|
|
}
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
rm = modrm & 7;
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
mod = (modrm >> 6) & 3;
|
|
if (b1 >= 2) {
|
|
goto unknown_op;
|
|
}
|
|
|
|
sse_fn_epp = sse_op_table6[b].op[b1];
|
|
if (!sse_fn_epp) {
|
|
goto unknown_op;
|
|
}
|
|
if (!(s->cpuid_ext_features & sse_op_table6[b].ext_mask))
|
|
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(env, s, modrm);
|
|
switch (b) {
|
|
case 0x20: case 0x30: /* pmovsxbw, pmovzxbw */
|
|
case 0x23: case 0x33: /* pmovsxwd, pmovzxwd */
|
|
case 0x25: case 0x35: /* pmovsxdq, pmovzxdq */
|
|
gen_ldq_env_A0(s, op2_offset +
|
|
offsetof(ZMMReg, ZMM_Q(0)));
|
|
break;
|
|
case 0x21: case 0x31: /* pmovsxbd, pmovzxbd */
|
|
case 0x24: case 0x34: /* pmovsxwq, pmovzxwq */
|
|
tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
|
|
s->mem_index, MO_LEUL);
|
|
tcg_gen_st_i32(cpu_tmp2_i32, cpu_env, op2_offset +
|
|
offsetof(ZMMReg, ZMM_L(0)));
|
|
break;
|
|
case 0x22: case 0x32: /* pmovsxbq, pmovzxbq */
|
|
tcg_gen_qemu_ld_tl(cpu_tmp0, cpu_A0,
|
|
s->mem_index, MO_LEUW);
|
|
tcg_gen_st16_tl(cpu_tmp0, cpu_env, op2_offset +
|
|
offsetof(ZMMReg, ZMM_W(0)));
|
|
break;
|
|
case 0x2a: /* movntqda */
|
|
gen_ldo_env_A0(s, op1_offset);
|
|
return;
|
|
default:
|
|
gen_ldo_env_A0(s, 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(env, s, modrm);
|
|
gen_ldq_env_A0(s, op2_offset);
|
|
}
|
|
}
|
|
if (sse_fn_epp == SSE_SPECIAL) {
|
|
goto unknown_op;
|
|
}
|
|
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
|
|
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
|
|
sse_fn_epp(cpu_env, cpu_ptr0, cpu_ptr1);
|
|
|
|
if (b == 0x17) {
|
|
set_cc_op(s, CC_OP_EFLAGS);
|
|
}
|
|
break;
|
|
|
|
case 0x238:
|
|
case 0x338:
|
|
do_0f_38_fx:
|
|
/* Various integer extensions at 0f 38 f[0-f]. */
|
|
b = modrm | (b1 << 8);
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
|
|
switch (b) {
|
|
case 0x3f0: /* crc32 Gd,Eb */
|
|
case 0x3f1: /* crc32 Gd,Ey */
|
|
do_crc32:
|
|
if (!(s->cpuid_ext_features & CPUID_EXT_SSE42)) {
|
|
goto illegal_op;
|
|
}
|
|
if ((b & 0xff) == 0xf0) {
|
|
ot = MO_8;
|
|
} else if (s->dflag != MO_64) {
|
|
ot = (s->prefix & PREFIX_DATA ? MO_16 : MO_32);
|
|
} else {
|
|
ot = MO_64;
|
|
}
|
|
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_regs[reg]);
|
|
gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
|
|
gen_helper_crc32(cpu_T0, cpu_tmp2_i32,
|
|
cpu_T0, tcg_const_i32(8 << ot));
|
|
|
|
ot = mo_64_32(s->dflag);
|
|
gen_op_mov_reg_v(ot, reg, cpu_T0);
|
|
break;
|
|
|
|
case 0x1f0: /* crc32 or movbe */
|
|
case 0x1f1:
|
|
/* For these insns, the f3 prefix is supposed to have priority
|
|
over the 66 prefix, but that's not what we implement above
|
|
setting b1. */
|
|
if (s->prefix & PREFIX_REPNZ) {
|
|
goto do_crc32;
|
|
}
|
|
/* FALLTHRU */
|
|
case 0x0f0: /* movbe Gy,My */
|
|
case 0x0f1: /* movbe My,Gy */
|
|
if (!(s->cpuid_ext_features & CPUID_EXT_MOVBE)) {
|
|
goto illegal_op;
|
|
}
|
|
if (s->dflag != MO_64) {
|
|
ot = (s->prefix & PREFIX_DATA ? MO_16 : MO_32);
|
|
} else {
|
|
ot = MO_64;
|
|
}
|
|
|
|
gen_lea_modrm(env, s, modrm);
|
|
if ((b & 1) == 0) {
|
|
tcg_gen_qemu_ld_tl(cpu_T0, cpu_A0,
|
|
s->mem_index, ot | MO_BE);
|
|
gen_op_mov_reg_v(ot, reg, cpu_T0);
|
|
} else {
|
|
tcg_gen_qemu_st_tl(cpu_regs[reg], cpu_A0,
|
|
s->mem_index, ot | MO_BE);
|
|
}
|
|
break;
|
|
|
|
case 0x0f2: /* andn Gy, By, Ey */
|
|
if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_BMI1)
|
|
|| !(s->prefix & PREFIX_VEX)
|
|
|| s->vex_l != 0) {
|
|
goto illegal_op;
|
|
}
|
|
ot = mo_64_32(s->dflag);
|
|
gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
|
|
tcg_gen_andc_tl(cpu_T0, cpu_regs[s->vex_v], cpu_T0);
|
|
gen_op_mov_reg_v(ot, reg, cpu_T0);
|
|
gen_op_update1_cc();
|
|
set_cc_op(s, CC_OP_LOGICB + ot);
|
|
break;
|
|
|
|
case 0x0f7: /* bextr Gy, Ey, By */
|
|
if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_BMI1)
|
|
|| !(s->prefix & PREFIX_VEX)
|
|
|| s->vex_l != 0) {
|
|
goto illegal_op;
|
|
}
|
|
ot = mo_64_32(s->dflag);
|
|
{
|
|
TCGv bound, zero;
|
|
|
|
gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
|
|
/* Extract START, and shift the operand.
|
|
Shifts larger than operand size get zeros. */
|
|
tcg_gen_ext8u_tl(cpu_A0, cpu_regs[s->vex_v]);
|
|
tcg_gen_shr_tl(cpu_T0, cpu_T0, cpu_A0);
|
|
|
|
bound = tcg_const_tl(ot == MO_64 ? 63 : 31);
|
|
zero = tcg_const_tl(0);
|
|
tcg_gen_movcond_tl(TCG_COND_LEU, cpu_T0, cpu_A0, bound,
|
|
cpu_T0, zero);
|
|
tcg_temp_free(zero);
|
|
|
|
/* Extract the LEN into a mask. Lengths larger than
|
|
operand size get all ones. */
|
|
tcg_gen_shri_tl(cpu_A0, cpu_regs[s->vex_v], 8);
|
|
tcg_gen_ext8u_tl(cpu_A0, cpu_A0);
|
|
tcg_gen_movcond_tl(TCG_COND_LEU, cpu_A0, cpu_A0, bound,
|
|
cpu_A0, bound);
|
|
tcg_temp_free(bound);
|
|
tcg_gen_movi_tl(cpu_T1, 1);
|
|
tcg_gen_shl_tl(cpu_T1, cpu_T1, cpu_A0);
|
|
tcg_gen_subi_tl(cpu_T1, cpu_T1, 1);
|
|
tcg_gen_and_tl(cpu_T0, cpu_T0, cpu_T1);
|
|
|
|
gen_op_mov_reg_v(ot, reg, cpu_T0);
|
|
gen_op_update1_cc();
|
|
set_cc_op(s, CC_OP_LOGICB + ot);
|
|
}
|
|
break;
|
|
|
|
case 0x0f5: /* bzhi Gy, Ey, By */
|
|
if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_BMI2)
|
|
|| !(s->prefix & PREFIX_VEX)
|
|
|| s->vex_l != 0) {
|
|
goto illegal_op;
|
|
}
|
|
ot = mo_64_32(s->dflag);
|
|
gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
|
|
tcg_gen_ext8u_tl(cpu_T1, cpu_regs[s->vex_v]);
|
|
{
|
|
TCGv bound = tcg_const_tl(ot == MO_64 ? 63 : 31);
|
|
/* Note that since we're using BMILG (in order to get O
|
|
cleared) we need to store the inverse into C. */
|
|
tcg_gen_setcond_tl(TCG_COND_LT, cpu_cc_src,
|
|
cpu_T1, bound);
|
|
tcg_gen_movcond_tl(TCG_COND_GT, cpu_T1, cpu_T1,
|
|
bound, bound, cpu_T1);
|
|
tcg_temp_free(bound);
|
|
}
|
|
tcg_gen_movi_tl(cpu_A0, -1);
|
|
tcg_gen_shl_tl(cpu_A0, cpu_A0, cpu_T1);
|
|
tcg_gen_andc_tl(cpu_T0, cpu_T0, cpu_A0);
|
|
gen_op_mov_reg_v(ot, reg, cpu_T0);
|
|
gen_op_update1_cc();
|
|
set_cc_op(s, CC_OP_BMILGB + ot);
|
|
break;
|
|
|
|
case 0x3f6: /* mulx By, Gy, rdx, Ey */
|
|
if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_BMI2)
|
|
|| !(s->prefix & PREFIX_VEX)
|
|
|| s->vex_l != 0) {
|
|
goto illegal_op;
|
|
}
|
|
ot = mo_64_32(s->dflag);
|
|
gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
|
|
switch (ot) {
|
|
default:
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_regs[R_EDX]);
|
|
tcg_gen_mulu2_i32(cpu_tmp2_i32, cpu_tmp3_i32,
|
|
cpu_tmp2_i32, cpu_tmp3_i32);
|
|
tcg_gen_extu_i32_tl(cpu_regs[s->vex_v], cpu_tmp2_i32);
|
|
tcg_gen_extu_i32_tl(cpu_regs[reg], cpu_tmp3_i32);
|
|
break;
|
|
#ifdef TARGET_X86_64
|
|
case MO_64:
|
|
tcg_gen_mulu2_i64(cpu_T0, cpu_T1,
|
|
cpu_T0, cpu_regs[R_EDX]);
|
|
tcg_gen_mov_i64(cpu_regs[s->vex_v], cpu_T0);
|
|
tcg_gen_mov_i64(cpu_regs[reg], cpu_T1);
|
|
break;
|
|
#endif
|
|
}
|
|
break;
|
|
|
|
case 0x3f5: /* pdep Gy, By, Ey */
|
|
if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_BMI2)
|
|
|| !(s->prefix & PREFIX_VEX)
|
|
|| s->vex_l != 0) {
|
|
goto illegal_op;
|
|
}
|
|
ot = mo_64_32(s->dflag);
|
|
gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
|
|
/* Note that by zero-extending the mask operand, we
|
|
automatically handle zero-extending the result. */
|
|
if (ot == MO_64) {
|
|
tcg_gen_mov_tl(cpu_T1, cpu_regs[s->vex_v]);
|
|
} else {
|
|
tcg_gen_ext32u_tl(cpu_T1, cpu_regs[s->vex_v]);
|
|
}
|
|
gen_helper_pdep(cpu_regs[reg], cpu_T0, cpu_T1);
|
|
break;
|
|
|
|
case 0x2f5: /* pext Gy, By, Ey */
|
|
if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_BMI2)
|
|
|| !(s->prefix & PREFIX_VEX)
|
|
|| s->vex_l != 0) {
|
|
goto illegal_op;
|
|
}
|
|
ot = mo_64_32(s->dflag);
|
|
gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
|
|
/* Note that by zero-extending the mask operand, we
|
|
automatically handle zero-extending the result. */
|
|
if (ot == MO_64) {
|
|
tcg_gen_mov_tl(cpu_T1, cpu_regs[s->vex_v]);
|
|
} else {
|
|
tcg_gen_ext32u_tl(cpu_T1, cpu_regs[s->vex_v]);
|
|
}
|
|
gen_helper_pext(cpu_regs[reg], cpu_T0, cpu_T1);
|
|
break;
|
|
|
|
case 0x1f6: /* adcx Gy, Ey */
|
|
case 0x2f6: /* adox Gy, Ey */
|
|
if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_ADX)) {
|
|
goto illegal_op;
|
|
} else {
|
|
TCGv carry_in, carry_out, zero;
|
|
int end_op;
|
|
|
|
ot = mo_64_32(s->dflag);
|
|
gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
|
|
|
|
/* Re-use the carry-out from a previous round. */
|
|
TCGV_UNUSED(carry_in);
|
|
carry_out = (b == 0x1f6 ? cpu_cc_dst : cpu_cc_src2);
|
|
switch (s->cc_op) {
|
|
case CC_OP_ADCX:
|
|
if (b == 0x1f6) {
|
|
carry_in = cpu_cc_dst;
|
|
end_op = CC_OP_ADCX;
|
|
} else {
|
|
end_op = CC_OP_ADCOX;
|
|
}
|
|
break;
|
|
case CC_OP_ADOX:
|
|
if (b == 0x1f6) {
|
|
end_op = CC_OP_ADCOX;
|
|
} else {
|
|
carry_in = cpu_cc_src2;
|
|
end_op = CC_OP_ADOX;
|
|
}
|
|
break;
|
|
case CC_OP_ADCOX:
|
|
end_op = CC_OP_ADCOX;
|
|
carry_in = carry_out;
|
|
break;
|
|
default:
|
|
end_op = (b == 0x1f6 ? CC_OP_ADCX : CC_OP_ADOX);
|
|
break;
|
|
}
|
|
/* If we can't reuse carry-out, get it out of EFLAGS. */
|
|
if (TCGV_IS_UNUSED(carry_in)) {
|
|
if (s->cc_op != CC_OP_ADCX && s->cc_op != CC_OP_ADOX) {
|
|
gen_compute_eflags(s);
|
|
}
|
|
carry_in = cpu_tmp0;
|
|
tcg_gen_shri_tl(carry_in, cpu_cc_src,
|
|
ctz32(b == 0x1f6 ? CC_C : CC_O));
|
|
tcg_gen_andi_tl(carry_in, carry_in, 1);
|
|
}
|
|
|
|
switch (ot) {
|
|
#ifdef TARGET_X86_64
|
|
case MO_32:
|
|
/* If we know TL is 64-bit, and we want a 32-bit
|
|
result, just do everything in 64-bit arithmetic. */
|
|
tcg_gen_ext32u_i64(cpu_regs[reg], cpu_regs[reg]);
|
|
tcg_gen_ext32u_i64(cpu_T0, cpu_T0);
|
|
tcg_gen_add_i64(cpu_T0, cpu_T0, cpu_regs[reg]);
|
|
tcg_gen_add_i64(cpu_T0, cpu_T0, carry_in);
|
|
tcg_gen_ext32u_i64(cpu_regs[reg], cpu_T0);
|
|
tcg_gen_shri_i64(carry_out, cpu_T0, 32);
|
|
break;
|
|
#endif
|
|
default:
|
|
/* Otherwise compute the carry-out in two steps. */
|
|
zero = tcg_const_tl(0);
|
|
tcg_gen_add2_tl(cpu_T0, carry_out,
|
|
cpu_T0, zero,
|
|
carry_in, zero);
|
|
tcg_gen_add2_tl(cpu_regs[reg], carry_out,
|
|
cpu_regs[reg], carry_out,
|
|
cpu_T0, zero);
|
|
tcg_temp_free(zero);
|
|
break;
|
|
}
|
|
set_cc_op(s, end_op);
|
|
}
|
|
break;
|
|
|
|
case 0x1f7: /* shlx Gy, Ey, By */
|
|
case 0x2f7: /* sarx Gy, Ey, By */
|
|
case 0x3f7: /* shrx Gy, Ey, By */
|
|
if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_BMI2)
|
|
|| !(s->prefix & PREFIX_VEX)
|
|
|| s->vex_l != 0) {
|
|
goto illegal_op;
|
|
}
|
|
ot = mo_64_32(s->dflag);
|
|
gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
|
|
if (ot == MO_64) {
|
|
tcg_gen_andi_tl(cpu_T1, cpu_regs[s->vex_v], 63);
|
|
} else {
|
|
tcg_gen_andi_tl(cpu_T1, cpu_regs[s->vex_v], 31);
|
|
}
|
|
if (b == 0x1f7) {
|
|
tcg_gen_shl_tl(cpu_T0, cpu_T0, cpu_T1);
|
|
} else if (b == 0x2f7) {
|
|
if (ot != MO_64) {
|
|
tcg_gen_ext32s_tl(cpu_T0, cpu_T0);
|
|
}
|
|
tcg_gen_sar_tl(cpu_T0, cpu_T0, cpu_T1);
|
|
} else {
|
|
if (ot != MO_64) {
|
|
tcg_gen_ext32u_tl(cpu_T0, cpu_T0);
|
|
}
|
|
tcg_gen_shr_tl(cpu_T0, cpu_T0, cpu_T1);
|
|
}
|
|
gen_op_mov_reg_v(ot, reg, cpu_T0);
|
|
break;
|
|
|
|
case 0x0f3:
|
|
case 0x1f3:
|
|
case 0x2f3:
|
|
case 0x3f3: /* Group 17 */
|
|
if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_BMI1)
|
|
|| !(s->prefix & PREFIX_VEX)
|
|
|| s->vex_l != 0) {
|
|
goto illegal_op;
|
|
}
|
|
ot = mo_64_32(s->dflag);
|
|
gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
|
|
|
|
switch (reg & 7) {
|
|
case 1: /* blsr By,Ey */
|
|
tcg_gen_neg_tl(cpu_T1, cpu_T0);
|
|
tcg_gen_and_tl(cpu_T0, cpu_T0, cpu_T1);
|
|
gen_op_mov_reg_v(ot, s->vex_v, cpu_T0);
|
|
gen_op_update2_cc();
|
|
set_cc_op(s, CC_OP_BMILGB + ot);
|
|
break;
|
|
|
|
case 2: /* blsmsk By,Ey */
|
|
tcg_gen_mov_tl(cpu_cc_src, cpu_T0);
|
|
tcg_gen_subi_tl(cpu_T0, cpu_T0, 1);
|
|
tcg_gen_xor_tl(cpu_T0, cpu_T0, cpu_cc_src);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T0);
|
|
set_cc_op(s, CC_OP_BMILGB + ot);
|
|
break;
|
|
|
|
case 3: /* blsi By, Ey */
|
|
tcg_gen_mov_tl(cpu_cc_src, cpu_T0);
|
|
tcg_gen_subi_tl(cpu_T0, cpu_T0, 1);
|
|
tcg_gen_and_tl(cpu_T0, cpu_T0, cpu_cc_src);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T0);
|
|
set_cc_op(s, CC_OP_BMILGB + ot);
|
|
break;
|
|
|
|
default:
|
|
goto unknown_op;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
goto unknown_op;
|
|
}
|
|
break;
|
|
|
|
case 0x03a:
|
|
case 0x13a:
|
|
b = modrm;
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
rm = modrm & 7;
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
mod = (modrm >> 6) & 3;
|
|
if (b1 >= 2) {
|
|
goto unknown_op;
|
|
}
|
|
|
|
sse_fn_eppi = sse_op_table7[b].op[b1];
|
|
if (!sse_fn_eppi) {
|
|
goto unknown_op;
|
|
}
|
|
if (!(s->cpuid_ext_features & sse_op_table7[b].ext_mask))
|
|
goto illegal_op;
|
|
|
|
if (sse_fn_eppi == SSE_SPECIAL) {
|
|
ot = mo_64_32(s->dflag);
|
|
rm = (modrm & 7) | REX_B(s);
|
|
if (mod != 3)
|
|
gen_lea_modrm(env, s, modrm);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
val = cpu_ldub_code(env, s->pc++);
|
|
switch (b) {
|
|
case 0x14: /* pextrb */
|
|
tcg_gen_ld8u_tl(cpu_T0, cpu_env, offsetof(CPUX86State,
|
|
xmm_regs[reg].ZMM_B(val & 15)));
|
|
if (mod == 3) {
|
|
gen_op_mov_reg_v(ot, rm, cpu_T0);
|
|
} else {
|
|
tcg_gen_qemu_st_tl(cpu_T0, cpu_A0,
|
|
s->mem_index, MO_UB);
|
|
}
|
|
break;
|
|
case 0x15: /* pextrw */
|
|
tcg_gen_ld16u_tl(cpu_T0, cpu_env, offsetof(CPUX86State,
|
|
xmm_regs[reg].ZMM_W(val & 7)));
|
|
if (mod == 3) {
|
|
gen_op_mov_reg_v(ot, rm, cpu_T0);
|
|
} else {
|
|
tcg_gen_qemu_st_tl(cpu_T0, cpu_A0,
|
|
s->mem_index, MO_LEUW);
|
|
}
|
|
break;
|
|
case 0x16:
|
|
if (ot == MO_32) { /* pextrd */
|
|
tcg_gen_ld_i32(cpu_tmp2_i32, cpu_env,
|
|
offsetof(CPUX86State,
|
|
xmm_regs[reg].ZMM_L(val & 3)));
|
|
if (mod == 3) {
|
|
tcg_gen_extu_i32_tl(cpu_regs[rm], cpu_tmp2_i32);
|
|
} else {
|
|
tcg_gen_qemu_st_i32(cpu_tmp2_i32, cpu_A0,
|
|
s->mem_index, MO_LEUL);
|
|
}
|
|
} else { /* pextrq */
|
|
#ifdef TARGET_X86_64
|
|
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env,
|
|
offsetof(CPUX86State,
|
|
xmm_regs[reg].ZMM_Q(val & 1)));
|
|
if (mod == 3) {
|
|
tcg_gen_mov_i64(cpu_regs[rm], cpu_tmp1_i64);
|
|
} else {
|
|
tcg_gen_qemu_st_i64(cpu_tmp1_i64, cpu_A0,
|
|
s->mem_index, MO_LEQ);
|
|
}
|
|
#else
|
|
goto illegal_op;
|
|
#endif
|
|
}
|
|
break;
|
|
case 0x17: /* extractps */
|
|
tcg_gen_ld32u_tl(cpu_T0, cpu_env, offsetof(CPUX86State,
|
|
xmm_regs[reg].ZMM_L(val & 3)));
|
|
if (mod == 3) {
|
|
gen_op_mov_reg_v(ot, rm, cpu_T0);
|
|
} else {
|
|
tcg_gen_qemu_st_tl(cpu_T0, cpu_A0,
|
|
s->mem_index, MO_LEUL);
|
|
}
|
|
break;
|
|
case 0x20: /* pinsrb */
|
|
if (mod == 3) {
|
|
gen_op_mov_v_reg(MO_32, cpu_T0, rm);
|
|
} else {
|
|
tcg_gen_qemu_ld_tl(cpu_T0, cpu_A0,
|
|
s->mem_index, MO_UB);
|
|
}
|
|
tcg_gen_st8_tl(cpu_T0, cpu_env, offsetof(CPUX86State,
|
|
xmm_regs[reg].ZMM_B(val & 15)));
|
|
break;
|
|
case 0x21: /* insertps */
|
|
if (mod == 3) {
|
|
tcg_gen_ld_i32(cpu_tmp2_i32, cpu_env,
|
|
offsetof(CPUX86State,xmm_regs[rm]
|
|
.ZMM_L((val >> 6) & 3)));
|
|
} else {
|
|
tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
|
|
s->mem_index, MO_LEUL);
|
|
}
|
|
tcg_gen_st_i32(cpu_tmp2_i32, cpu_env,
|
|
offsetof(CPUX86State,xmm_regs[reg]
|
|
.ZMM_L((val >> 4) & 3)));
|
|
if ((val >> 0) & 1)
|
|
tcg_gen_st_i32(tcg_const_i32(0 /*float32_zero*/),
|
|
cpu_env, offsetof(CPUX86State,
|
|
xmm_regs[reg].ZMM_L(0)));
|
|
if ((val >> 1) & 1)
|
|
tcg_gen_st_i32(tcg_const_i32(0 /*float32_zero*/),
|
|
cpu_env, offsetof(CPUX86State,
|
|
xmm_regs[reg].ZMM_L(1)));
|
|
if ((val >> 2) & 1)
|
|
tcg_gen_st_i32(tcg_const_i32(0 /*float32_zero*/),
|
|
cpu_env, offsetof(CPUX86State,
|
|
xmm_regs[reg].ZMM_L(2)));
|
|
if ((val >> 3) & 1)
|
|
tcg_gen_st_i32(tcg_const_i32(0 /*float32_zero*/),
|
|
cpu_env, offsetof(CPUX86State,
|
|
xmm_regs[reg].ZMM_L(3)));
|
|
break;
|
|
case 0x22:
|
|
if (ot == MO_32) { /* pinsrd */
|
|
if (mod == 3) {
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_regs[rm]);
|
|
} else {
|
|
tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
|
|
s->mem_index, MO_LEUL);
|
|
}
|
|
tcg_gen_st_i32(cpu_tmp2_i32, cpu_env,
|
|
offsetof(CPUX86State,
|
|
xmm_regs[reg].ZMM_L(val & 3)));
|
|
} else { /* pinsrq */
|
|
#ifdef TARGET_X86_64
|
|
if (mod == 3) {
|
|
gen_op_mov_v_reg(ot, cpu_tmp1_i64, rm);
|
|
} else {
|
|
tcg_gen_qemu_ld_i64(cpu_tmp1_i64, cpu_A0,
|
|
s->mem_index, MO_LEQ);
|
|
}
|
|
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env,
|
|
offsetof(CPUX86State,
|
|
xmm_regs[reg].ZMM_Q(val & 1)));
|
|
#else
|
|
goto illegal_op;
|
|
#endif
|
|
}
|
|
break;
|
|
}
|
|
return;
|
|
}
|
|
|
|
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(env, s, modrm);
|
|
gen_ldo_env_A0(s, 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(env, s, modrm);
|
|
gen_ldq_env_A0(s, op2_offset);
|
|
}
|
|
}
|
|
val = cpu_ldub_code(env, s->pc++);
|
|
|
|
if ((b & 0xfc) == 0x60) { /* pcmpXstrX */
|
|
set_cc_op(s, CC_OP_EFLAGS);
|
|
|
|
if (s->dflag == MO_64) {
|
|
/* The helper must use entire 64-bit gp registers */
|
|
val |= 1 << 8;
|
|
}
|
|
}
|
|
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
|
|
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
|
|
sse_fn_eppi(cpu_env, cpu_ptr0, cpu_ptr1, tcg_const_i32(val));
|
|
break;
|
|
|
|
case 0x33a:
|
|
/* Various integer extensions at 0f 3a f[0-f]. */
|
|
b = modrm | (b1 << 8);
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
|
|
switch (b) {
|
|
case 0x3f0: /* rorx Gy,Ey, Ib */
|
|
if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_BMI2)
|
|
|| !(s->prefix & PREFIX_VEX)
|
|
|| s->vex_l != 0) {
|
|
goto illegal_op;
|
|
}
|
|
ot = mo_64_32(s->dflag);
|
|
gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
|
|
b = cpu_ldub_code(env, s->pc++);
|
|
if (ot == MO_64) {
|
|
tcg_gen_rotri_tl(cpu_T0, cpu_T0, b & 63);
|
|
} else {
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
|
|
tcg_gen_rotri_i32(cpu_tmp2_i32, cpu_tmp2_i32, b & 31);
|
|
tcg_gen_extu_i32_tl(cpu_T0, cpu_tmp2_i32);
|
|
}
|
|
gen_op_mov_reg_v(ot, reg, cpu_T0);
|
|
break;
|
|
|
|
default:
|
|
goto unknown_op;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
unknown_op:
|
|
gen_unknown_opcode(env, s);
|
|
return;
|
|
}
|
|
} 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) {
|
|
int sz = 4;
|
|
|
|
gen_lea_modrm(env, s, modrm);
|
|
op2_offset = offsetof(CPUX86State,xmm_t0);
|
|
|
|
switch (b) {
|
|
case 0x50 ... 0x5a:
|
|
case 0x5c ... 0x5f:
|
|
case 0xc2:
|
|
/* Most sse scalar operations. */
|
|
if (b1 == 2) {
|
|
sz = 2;
|
|
} else if (b1 == 3) {
|
|
sz = 3;
|
|
}
|
|
break;
|
|
|
|
case 0x2e: /* ucomis[sd] */
|
|
case 0x2f: /* comis[sd] */
|
|
if (b1 == 0) {
|
|
sz = 2;
|
|
} else {
|
|
sz = 3;
|
|
}
|
|
break;
|
|
}
|
|
|
|
switch (sz) {
|
|
case 2:
|
|
/* 32 bit access */
|
|
gen_op_ld_v(s, MO_32, cpu_T0, cpu_A0);
|
|
tcg_gen_st32_tl(cpu_T0, cpu_env,
|
|
offsetof(CPUX86State,xmm_t0.ZMM_L(0)));
|
|
break;
|
|
case 3:
|
|
/* 64 bit access */
|
|
gen_ldq_env_A0(s, offsetof(CPUX86State, xmm_t0.ZMM_D(0)));
|
|
break;
|
|
default:
|
|
/* 128 bit access */
|
|
gen_ldo_env_A0(s, op2_offset);
|
|
break;
|
|
}
|
|
} 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(env, s, modrm);
|
|
op2_offset = offsetof(CPUX86State,mmx_t0);
|
|
gen_ldq_env_A0(s, op2_offset);
|
|
} else {
|
|
rm = (modrm & 7);
|
|
op2_offset = offsetof(CPUX86State,fpregs[rm].mmx);
|
|
}
|
|
}
|
|
switch(b) {
|
|
case 0x0f: /* 3DNow! data insns */
|
|
val = cpu_ldub_code(env, s->pc++);
|
|
sse_fn_epp = sse_op_table5[val];
|
|
if (!sse_fn_epp) {
|
|
goto unknown_op;
|
|
}
|
|
if (!(s->cpuid_ext2_features & CPUID_EXT2_3DNOW)) {
|
|
goto illegal_op;
|
|
}
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
|
|
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
|
|
sse_fn_epp(cpu_env, cpu_ptr0, cpu_ptr1);
|
|
break;
|
|
case 0x70: /* pshufx insn */
|
|
case 0xc6: /* pshufx insn */
|
|
val = cpu_ldub_code(env, s->pc++);
|
|
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
|
|
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
|
|
/* XXX: introduce a new table? */
|
|
sse_fn_ppi = (SSEFunc_0_ppi)sse_fn_epp;
|
|
sse_fn_ppi(cpu_ptr0, cpu_ptr1, tcg_const_i32(val));
|
|
break;
|
|
case 0xc2:
|
|
/* compare insns */
|
|
val = cpu_ldub_code(env, s->pc++);
|
|
if (val >= 8)
|
|
goto unknown_op;
|
|
sse_fn_epp = 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);
|
|
sse_fn_epp(cpu_env, cpu_ptr0, cpu_ptr1);
|
|
break;
|
|
case 0xf7:
|
|
/* maskmov : we must prepare A0 */
|
|
if (mod != 3)
|
|
goto illegal_op;
|
|
tcg_gen_mov_tl(cpu_A0, cpu_regs[R_EDI]);
|
|
gen_extu(s->aflag, cpu_A0);
|
|
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);
|
|
/* XXX: introduce a new table? */
|
|
sse_fn_eppt = (SSEFunc_0_eppt)sse_fn_epp;
|
|
sse_fn_eppt(cpu_env, 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);
|
|
sse_fn_epp(cpu_env, cpu_ptr0, cpu_ptr1);
|
|
break;
|
|
}
|
|
if (b == 0x2e || b == 0x2f) {
|
|
set_cc_op(s, 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(CPUX86State *env, DisasContext *s,
|
|
target_ulong pc_start)
|
|
{
|
|
int b, prefixes;
|
|
int shift;
|
|
TCGMemOp ot, aflag, dflag;
|
|
int modrm, reg, rm, mod, op, opreg, val;
|
|
target_ulong next_eip, tval;
|
|
int rex_w, rex_r;
|
|
|
|
s->pc_start = s->pc = pc_start;
|
|
prefixes = 0;
|
|
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 */
|
|
s->vex_l = 0;
|
|
s->vex_v = 0;
|
|
next_byte:
|
|
b = cpu_ldub_code(env, s->pc);
|
|
s->pc++;
|
|
/* Collect prefixes. */
|
|
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;
|
|
#ifdef TARGET_X86_64
|
|
case 0x40 ... 0x4f:
|
|
if (CODE64(s)) {
|
|
/* 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;
|
|
}
|
|
break;
|
|
#endif
|
|
case 0xc5: /* 2-byte VEX */
|
|
case 0xc4: /* 3-byte VEX */
|
|
/* VEX prefixes cannot be used except in 32-bit mode.
|
|
Otherwise the instruction is LES or LDS. */
|
|
if (s->code32 && !s->vm86) {
|
|
static const int pp_prefix[4] = {
|
|
0, PREFIX_DATA, PREFIX_REPZ, PREFIX_REPNZ
|
|
};
|
|
int vex3, vex2 = cpu_ldub_code(env, s->pc);
|
|
|
|
if (!CODE64(s) && (vex2 & 0xc0) != 0xc0) {
|
|
/* 4.1.4.6: In 32-bit mode, bits [7:6] must be 11b,
|
|
otherwise the instruction is LES or LDS. */
|
|
break;
|
|
}
|
|
s->pc++;
|
|
|
|
/* 4.1.1-4.1.3: No preceding lock, 66, f2, f3, or rex prefixes. */
|
|
if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ
|
|
| PREFIX_LOCK | PREFIX_DATA)) {
|
|
goto illegal_op;
|
|
}
|
|
#ifdef TARGET_X86_64
|
|
if (x86_64_hregs) {
|
|
goto illegal_op;
|
|
}
|
|
#endif
|
|
rex_r = (~vex2 >> 4) & 8;
|
|
if (b == 0xc5) {
|
|
vex3 = vex2;
|
|
b = cpu_ldub_code(env, s->pc++);
|
|
} else {
|
|
#ifdef TARGET_X86_64
|
|
s->rex_x = (~vex2 >> 3) & 8;
|
|
s->rex_b = (~vex2 >> 2) & 8;
|
|
#endif
|
|
vex3 = cpu_ldub_code(env, s->pc++);
|
|
rex_w = (vex3 >> 7) & 1;
|
|
switch (vex2 & 0x1f) {
|
|
case 0x01: /* Implied 0f leading opcode bytes. */
|
|
b = cpu_ldub_code(env, s->pc++) | 0x100;
|
|
break;
|
|
case 0x02: /* Implied 0f 38 leading opcode bytes. */
|
|
b = 0x138;
|
|
break;
|
|
case 0x03: /* Implied 0f 3a leading opcode bytes. */
|
|
b = 0x13a;
|
|
break;
|
|
default: /* Reserved for future use. */
|
|
goto unknown_op;
|
|
}
|
|
}
|
|
s->vex_v = (~vex3 >> 3) & 0xf;
|
|
s->vex_l = (vex3 >> 2) & 1;
|
|
prefixes |= pp_prefix[vex3 & 3] | PREFIX_VEX;
|
|
}
|
|
break;
|
|
}
|
|
|
|
/* Post-process prefixes. */
|
|
if (CODE64(s)) {
|
|
/* In 64-bit mode, the default data size is 32-bit. Select 64-bit
|
|
data with rex_w, and 16-bit data with 0x66; rex_w takes precedence
|
|
over 0x66 if both are present. */
|
|
dflag = (rex_w > 0 ? MO_64 : prefixes & PREFIX_DATA ? MO_16 : MO_32);
|
|
/* In 64-bit mode, 0x67 selects 32-bit addressing. */
|
|
aflag = (prefixes & PREFIX_ADR ? MO_32 : MO_64);
|
|
} else {
|
|
/* In 16/32-bit mode, 0x66 selects the opposite data size. */
|
|
if (s->code32 ^ ((prefixes & PREFIX_DATA) != 0)) {
|
|
dflag = MO_32;
|
|
} else {
|
|
dflag = MO_16;
|
|
}
|
|
/* In 16/32-bit mode, 0x67 selects the opposite addressing. */
|
|
if (s->code32 ^ ((prefixes & PREFIX_ADR) != 0)) {
|
|
aflag = MO_32;
|
|
} else {
|
|
aflag = MO_16;
|
|
}
|
|
}
|
|
|
|
s->prefix = prefixes;
|
|
s->aflag = aflag;
|
|
s->dflag = dflag;
|
|
|
|
/* lock generation */
|
|
if (prefixes & PREFIX_LOCK)
|
|
gen_helper_lock();
|
|
|
|
/* now check op code */
|
|
reswitch:
|
|
switch(b) {
|
|
case 0x0f:
|
|
/**************************/
|
|
/* extended op code */
|
|
b = cpu_ldub_code(env, 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;
|
|
|
|
ot = mo_b_d(b, dflag);
|
|
|
|
switch(f) {
|
|
case 0: /* OP Ev, Gv */
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
mod = (modrm >> 6) & 3;
|
|
rm = (modrm & 7) | REX_B(s);
|
|
if (mod != 3) {
|
|
gen_lea_modrm(env, s, modrm);
|
|
opreg = OR_TMP0;
|
|
} else if (op == OP_XORL && rm == reg) {
|
|
xor_zero:
|
|
/* xor reg, reg optimisation */
|
|
set_cc_op(s, CC_OP_CLR);
|
|
tcg_gen_movi_tl(cpu_T0, 0);
|
|
gen_op_mov_reg_v(ot, reg, cpu_T0);
|
|
break;
|
|
} else {
|
|
opreg = rm;
|
|
}
|
|
gen_op_mov_v_reg(ot, cpu_T1, reg);
|
|
gen_op(s, op, ot, opreg);
|
|
break;
|
|
case 1: /* OP Gv, Ev */
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
rm = (modrm & 7) | REX_B(s);
|
|
if (mod != 3) {
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_op_ld_v(s, ot, cpu_T1, cpu_A0);
|
|
} else if (op == OP_XORL && rm == reg) {
|
|
goto xor_zero;
|
|
} else {
|
|
gen_op_mov_v_reg(ot, cpu_T1, rm);
|
|
}
|
|
gen_op(s, op, ot, reg);
|
|
break;
|
|
case 2: /* OP A, Iv */
|
|
val = insn_get(env, s, ot);
|
|
tcg_gen_movi_tl(cpu_T1, 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;
|
|
|
|
ot = mo_b_d(b, dflag);
|
|
|
|
modrm = cpu_ldub_code(env, 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(env, s, modrm);
|
|
opreg = OR_TMP0;
|
|
} else {
|
|
opreg = rm;
|
|
}
|
|
|
|
switch(b) {
|
|
default:
|
|
case 0x80:
|
|
case 0x81:
|
|
case 0x82:
|
|
val = insn_get(env, s, ot);
|
|
break;
|
|
case 0x83:
|
|
val = (int8_t)insn_get(env, s, MO_8);
|
|
break;
|
|
}
|
|
tcg_gen_movi_tl(cpu_T1, val);
|
|
gen_op(s, op, ot, opreg);
|
|
}
|
|
break;
|
|
|
|
/**************************/
|
|
/* inc, dec, and other misc arith */
|
|
case 0x40 ... 0x47: /* inc Gv */
|
|
ot = dflag;
|
|
gen_inc(s, ot, OR_EAX + (b & 7), 1);
|
|
break;
|
|
case 0x48 ... 0x4f: /* dec Gv */
|
|
ot = dflag;
|
|
gen_inc(s, ot, OR_EAX + (b & 7), -1);
|
|
break;
|
|
case 0xf6: /* GRP3 */
|
|
case 0xf7:
|
|
ot = mo_b_d(b, dflag);
|
|
|
|
modrm = cpu_ldub_code(env, 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(env, s, modrm);
|
|
gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
|
|
} else {
|
|
gen_op_mov_v_reg(ot, cpu_T0, rm);
|
|
}
|
|
|
|
switch(op) {
|
|
case 0: /* test */
|
|
val = insn_get(env, s, ot);
|
|
tcg_gen_movi_tl(cpu_T1, val);
|
|
gen_op_testl_T0_T1_cc();
|
|
set_cc_op(s, CC_OP_LOGICB + ot);
|
|
break;
|
|
case 2: /* not */
|
|
tcg_gen_not_tl(cpu_T0, cpu_T0);
|
|
if (mod != 3) {
|
|
gen_op_st_v(s, ot, cpu_T0, cpu_A0);
|
|
} else {
|
|
gen_op_mov_reg_v(ot, rm, cpu_T0);
|
|
}
|
|
break;
|
|
case 3: /* neg */
|
|
tcg_gen_neg_tl(cpu_T0, cpu_T0);
|
|
if (mod != 3) {
|
|
gen_op_st_v(s, ot, cpu_T0, cpu_A0);
|
|
} else {
|
|
gen_op_mov_reg_v(ot, rm, cpu_T0);
|
|
}
|
|
gen_op_update_neg_cc();
|
|
set_cc_op(s, CC_OP_SUBB + ot);
|
|
break;
|
|
case 4: /* mul */
|
|
switch(ot) {
|
|
case MO_8:
|
|
gen_op_mov_v_reg(MO_8, cpu_T1, R_EAX);
|
|
tcg_gen_ext8u_tl(cpu_T0, cpu_T0);
|
|
tcg_gen_ext8u_tl(cpu_T1, cpu_T1);
|
|
/* XXX: use 32 bit mul which could be faster */
|
|
tcg_gen_mul_tl(cpu_T0, cpu_T0, cpu_T1);
|
|
gen_op_mov_reg_v(MO_16, R_EAX, cpu_T0);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T0);
|
|
tcg_gen_andi_tl(cpu_cc_src, cpu_T0, 0xff00);
|
|
set_cc_op(s, CC_OP_MULB);
|
|
break;
|
|
case MO_16:
|
|
gen_op_mov_v_reg(MO_16, cpu_T1, R_EAX);
|
|
tcg_gen_ext16u_tl(cpu_T0, cpu_T0);
|
|
tcg_gen_ext16u_tl(cpu_T1, cpu_T1);
|
|
/* XXX: use 32 bit mul which could be faster */
|
|
tcg_gen_mul_tl(cpu_T0, cpu_T0, cpu_T1);
|
|
gen_op_mov_reg_v(MO_16, R_EAX, cpu_T0);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T0);
|
|
tcg_gen_shri_tl(cpu_T0, cpu_T0, 16);
|
|
gen_op_mov_reg_v(MO_16, R_EDX, cpu_T0);
|
|
tcg_gen_mov_tl(cpu_cc_src, cpu_T0);
|
|
set_cc_op(s, CC_OP_MULW);
|
|
break;
|
|
default:
|
|
case MO_32:
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_regs[R_EAX]);
|
|
tcg_gen_mulu2_i32(cpu_tmp2_i32, cpu_tmp3_i32,
|
|
cpu_tmp2_i32, cpu_tmp3_i32);
|
|
tcg_gen_extu_i32_tl(cpu_regs[R_EAX], cpu_tmp2_i32);
|
|
tcg_gen_extu_i32_tl(cpu_regs[R_EDX], cpu_tmp3_i32);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_regs[R_EAX]);
|
|
tcg_gen_mov_tl(cpu_cc_src, cpu_regs[R_EDX]);
|
|
set_cc_op(s, CC_OP_MULL);
|
|
break;
|
|
#ifdef TARGET_X86_64
|
|
case MO_64:
|
|
tcg_gen_mulu2_i64(cpu_regs[R_EAX], cpu_regs[R_EDX],
|
|
cpu_T0, cpu_regs[R_EAX]);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_regs[R_EAX]);
|
|
tcg_gen_mov_tl(cpu_cc_src, cpu_regs[R_EDX]);
|
|
set_cc_op(s, CC_OP_MULQ);
|
|
break;
|
|
#endif
|
|
}
|
|
break;
|
|
case 5: /* imul */
|
|
switch(ot) {
|
|
case MO_8:
|
|
gen_op_mov_v_reg(MO_8, cpu_T1, R_EAX);
|
|
tcg_gen_ext8s_tl(cpu_T0, cpu_T0);
|
|
tcg_gen_ext8s_tl(cpu_T1, cpu_T1);
|
|
/* XXX: use 32 bit mul which could be faster */
|
|
tcg_gen_mul_tl(cpu_T0, cpu_T0, cpu_T1);
|
|
gen_op_mov_reg_v(MO_16, R_EAX, cpu_T0);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T0);
|
|
tcg_gen_ext8s_tl(cpu_tmp0, cpu_T0);
|
|
tcg_gen_sub_tl(cpu_cc_src, cpu_T0, cpu_tmp0);
|
|
set_cc_op(s, CC_OP_MULB);
|
|
break;
|
|
case MO_16:
|
|
gen_op_mov_v_reg(MO_16, cpu_T1, R_EAX);
|
|
tcg_gen_ext16s_tl(cpu_T0, cpu_T0);
|
|
tcg_gen_ext16s_tl(cpu_T1, cpu_T1);
|
|
/* XXX: use 32 bit mul which could be faster */
|
|
tcg_gen_mul_tl(cpu_T0, cpu_T0, cpu_T1);
|
|
gen_op_mov_reg_v(MO_16, R_EAX, cpu_T0);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T0);
|
|
tcg_gen_ext16s_tl(cpu_tmp0, cpu_T0);
|
|
tcg_gen_sub_tl(cpu_cc_src, cpu_T0, cpu_tmp0);
|
|
tcg_gen_shri_tl(cpu_T0, cpu_T0, 16);
|
|
gen_op_mov_reg_v(MO_16, R_EDX, cpu_T0);
|
|
set_cc_op(s, CC_OP_MULW);
|
|
break;
|
|
default:
|
|
case MO_32:
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_regs[R_EAX]);
|
|
tcg_gen_muls2_i32(cpu_tmp2_i32, cpu_tmp3_i32,
|
|
cpu_tmp2_i32, cpu_tmp3_i32);
|
|
tcg_gen_extu_i32_tl(cpu_regs[R_EAX], cpu_tmp2_i32);
|
|
tcg_gen_extu_i32_tl(cpu_regs[R_EDX], cpu_tmp3_i32);
|
|
tcg_gen_sari_i32(cpu_tmp2_i32, cpu_tmp2_i32, 31);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_regs[R_EAX]);
|
|
tcg_gen_sub_i32(cpu_tmp2_i32, cpu_tmp2_i32, cpu_tmp3_i32);
|
|
tcg_gen_extu_i32_tl(cpu_cc_src, cpu_tmp2_i32);
|
|
set_cc_op(s, CC_OP_MULL);
|
|
break;
|
|
#ifdef TARGET_X86_64
|
|
case MO_64:
|
|
tcg_gen_muls2_i64(cpu_regs[R_EAX], cpu_regs[R_EDX],
|
|
cpu_T0, cpu_regs[R_EAX]);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_regs[R_EAX]);
|
|
tcg_gen_sari_tl(cpu_cc_src, cpu_regs[R_EAX], 63);
|
|
tcg_gen_sub_tl(cpu_cc_src, cpu_cc_src, cpu_regs[R_EDX]);
|
|
set_cc_op(s, CC_OP_MULQ);
|
|
break;
|
|
#endif
|
|
}
|
|
break;
|
|
case 6: /* div */
|
|
switch(ot) {
|
|
case MO_8:
|
|
gen_helper_divb_AL(cpu_env, cpu_T0);
|
|
break;
|
|
case MO_16:
|
|
gen_helper_divw_AX(cpu_env, cpu_T0);
|
|
break;
|
|
default:
|
|
case MO_32:
|
|
gen_helper_divl_EAX(cpu_env, cpu_T0);
|
|
break;
|
|
#ifdef TARGET_X86_64
|
|
case MO_64:
|
|
gen_helper_divq_EAX(cpu_env, cpu_T0);
|
|
break;
|
|
#endif
|
|
}
|
|
break;
|
|
case 7: /* idiv */
|
|
switch(ot) {
|
|
case MO_8:
|
|
gen_helper_idivb_AL(cpu_env, cpu_T0);
|
|
break;
|
|
case MO_16:
|
|
gen_helper_idivw_AX(cpu_env, cpu_T0);
|
|
break;
|
|
default:
|
|
case MO_32:
|
|
gen_helper_idivl_EAX(cpu_env, cpu_T0);
|
|
break;
|
|
#ifdef TARGET_X86_64
|
|
case MO_64:
|
|
gen_helper_idivq_EAX(cpu_env, cpu_T0);
|
|
break;
|
|
#endif
|
|
}
|
|
break;
|
|
default:
|
|
goto unknown_op;
|
|
}
|
|
break;
|
|
|
|
case 0xfe: /* GRP4 */
|
|
case 0xff: /* GRP5 */
|
|
ot = mo_b_d(b, dflag);
|
|
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
rm = (modrm & 7) | REX_B(s);
|
|
op = (modrm >> 3) & 7;
|
|
if (op >= 2 && b == 0xfe) {
|
|
goto unknown_op;
|
|
}
|
|
if (CODE64(s)) {
|
|
if (op == 2 || op == 4) {
|
|
/* operand size for jumps is 64 bit */
|
|
ot = MO_64;
|
|
} else if (op == 3 || op == 5) {
|
|
ot = dflag != MO_16 ? MO_32 + (rex_w == 1) : MO_16;
|
|
} else if (op == 6) {
|
|
/* default push size is 64 bit */
|
|
ot = mo_pushpop(s, dflag);
|
|
}
|
|
}
|
|
if (mod != 3) {
|
|
gen_lea_modrm(env, s, modrm);
|
|
if (op >= 2 && op != 3 && op != 5)
|
|
gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
|
|
} else {
|
|
gen_op_mov_v_reg(ot, cpu_T0, 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 (dflag == MO_16) {
|
|
tcg_gen_ext16u_tl(cpu_T0, cpu_T0);
|
|
}
|
|
next_eip = s->pc - s->cs_base;
|
|
tcg_gen_movi_tl(cpu_T1, next_eip);
|
|
gen_push_v(s, cpu_T1);
|
|
gen_op_jmp_v(cpu_T0);
|
|
gen_bnd_jmp(s);
|
|
gen_eob(s);
|
|
break;
|
|
case 3: /* lcall Ev */
|
|
gen_op_ld_v(s, ot, cpu_T1, cpu_A0);
|
|
gen_add_A0_im(s, 1 << ot);
|
|
gen_op_ld_v(s, MO_16, cpu_T0, cpu_A0);
|
|
do_lcall:
|
|
if (s->pe && !s->vm86) {
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
|
|
gen_helper_lcall_protected(cpu_env, cpu_tmp2_i32, cpu_T1,
|
|
tcg_const_i32(dflag - 1),
|
|
tcg_const_tl(s->pc - s->cs_base));
|
|
} else {
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
|
|
gen_helper_lcall_real(cpu_env, cpu_tmp2_i32, cpu_T1,
|
|
tcg_const_i32(dflag - 1),
|
|
tcg_const_i32(s->pc - s->cs_base));
|
|
}
|
|
gen_eob(s);
|
|
break;
|
|
case 4: /* jmp Ev */
|
|
if (dflag == MO_16) {
|
|
tcg_gen_ext16u_tl(cpu_T0, cpu_T0);
|
|
}
|
|
gen_op_jmp_v(cpu_T0);
|
|
gen_bnd_jmp(s);
|
|
gen_eob(s);
|
|
break;
|
|
case 5: /* ljmp Ev */
|
|
gen_op_ld_v(s, ot, cpu_T1, cpu_A0);
|
|
gen_add_A0_im(s, 1 << ot);
|
|
gen_op_ld_v(s, MO_16, cpu_T0, cpu_A0);
|
|
do_ljmp:
|
|
if (s->pe && !s->vm86) {
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
|
|
gen_helper_ljmp_protected(cpu_env, cpu_tmp2_i32, cpu_T1,
|
|
tcg_const_tl(s->pc - s->cs_base));
|
|
} else {
|
|
gen_op_movl_seg_T0_vm(R_CS);
|
|
gen_op_jmp_v(cpu_T1);
|
|
}
|
|
gen_eob(s);
|
|
break;
|
|
case 6: /* push Ev */
|
|
gen_push_v(s, cpu_T0);
|
|
break;
|
|
default:
|
|
goto unknown_op;
|
|
}
|
|
break;
|
|
|
|
case 0x84: /* test Ev, Gv */
|
|
case 0x85:
|
|
ot = mo_b_d(b, dflag);
|
|
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
|
|
gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
|
|
gen_op_mov_v_reg(ot, cpu_T1, reg);
|
|
gen_op_testl_T0_T1_cc();
|
|
set_cc_op(s, CC_OP_LOGICB + ot);
|
|
break;
|
|
|
|
case 0xa8: /* test eAX, Iv */
|
|
case 0xa9:
|
|
ot = mo_b_d(b, dflag);
|
|
val = insn_get(env, s, ot);
|
|
|
|
gen_op_mov_v_reg(ot, cpu_T0, OR_EAX);
|
|
tcg_gen_movi_tl(cpu_T1, val);
|
|
gen_op_testl_T0_T1_cc();
|
|
set_cc_op(s, CC_OP_LOGICB + ot);
|
|
break;
|
|
|
|
case 0x98: /* CWDE/CBW */
|
|
switch (dflag) {
|
|
#ifdef TARGET_X86_64
|
|
case MO_64:
|
|
gen_op_mov_v_reg(MO_32, cpu_T0, R_EAX);
|
|
tcg_gen_ext32s_tl(cpu_T0, cpu_T0);
|
|
gen_op_mov_reg_v(MO_64, R_EAX, cpu_T0);
|
|
break;
|
|
#endif
|
|
case MO_32:
|
|
gen_op_mov_v_reg(MO_16, cpu_T0, R_EAX);
|
|
tcg_gen_ext16s_tl(cpu_T0, cpu_T0);
|
|
gen_op_mov_reg_v(MO_32, R_EAX, cpu_T0);
|
|
break;
|
|
case MO_16:
|
|
gen_op_mov_v_reg(MO_8, cpu_T0, R_EAX);
|
|
tcg_gen_ext8s_tl(cpu_T0, cpu_T0);
|
|
gen_op_mov_reg_v(MO_16, R_EAX, cpu_T0);
|
|
break;
|
|
default:
|
|
tcg_abort();
|
|
}
|
|
break;
|
|
case 0x99: /* CDQ/CWD */
|
|
switch (dflag) {
|
|
#ifdef TARGET_X86_64
|
|
case MO_64:
|
|
gen_op_mov_v_reg(MO_64, cpu_T0, R_EAX);
|
|
tcg_gen_sari_tl(cpu_T0, cpu_T0, 63);
|
|
gen_op_mov_reg_v(MO_64, R_EDX, cpu_T0);
|
|
break;
|
|
#endif
|
|
case MO_32:
|
|
gen_op_mov_v_reg(MO_32, cpu_T0, R_EAX);
|
|
tcg_gen_ext32s_tl(cpu_T0, cpu_T0);
|
|
tcg_gen_sari_tl(cpu_T0, cpu_T0, 31);
|
|
gen_op_mov_reg_v(MO_32, R_EDX, cpu_T0);
|
|
break;
|
|
case MO_16:
|
|
gen_op_mov_v_reg(MO_16, cpu_T0, R_EAX);
|
|
tcg_gen_ext16s_tl(cpu_T0, cpu_T0);
|
|
tcg_gen_sari_tl(cpu_T0, cpu_T0, 15);
|
|
gen_op_mov_reg_v(MO_16, R_EDX, cpu_T0);
|
|
break;
|
|
default:
|
|
tcg_abort();
|
|
}
|
|
break;
|
|
case 0x1af: /* imul Gv, Ev */
|
|
case 0x69: /* imul Gv, Ev, I */
|
|
case 0x6b:
|
|
ot = dflag;
|
|
modrm = cpu_ldub_code(env, 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(env, s, modrm, ot, OR_TMP0, 0);
|
|
if (b == 0x69) {
|
|
val = insn_get(env, s, ot);
|
|
tcg_gen_movi_tl(cpu_T1, val);
|
|
} else if (b == 0x6b) {
|
|
val = (int8_t)insn_get(env, s, MO_8);
|
|
tcg_gen_movi_tl(cpu_T1, val);
|
|
} else {
|
|
gen_op_mov_v_reg(ot, cpu_T1, reg);
|
|
}
|
|
switch (ot) {
|
|
#ifdef TARGET_X86_64
|
|
case MO_64:
|
|
tcg_gen_muls2_i64(cpu_regs[reg], cpu_T1, cpu_T0, cpu_T1);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_regs[reg]);
|
|
tcg_gen_sari_tl(cpu_cc_src, cpu_cc_dst, 63);
|
|
tcg_gen_sub_tl(cpu_cc_src, cpu_cc_src, cpu_T1);
|
|
break;
|
|
#endif
|
|
case MO_32:
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T1);
|
|
tcg_gen_muls2_i32(cpu_tmp2_i32, cpu_tmp3_i32,
|
|
cpu_tmp2_i32, cpu_tmp3_i32);
|
|
tcg_gen_extu_i32_tl(cpu_regs[reg], cpu_tmp2_i32);
|
|
tcg_gen_sari_i32(cpu_tmp2_i32, cpu_tmp2_i32, 31);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_regs[reg]);
|
|
tcg_gen_sub_i32(cpu_tmp2_i32, cpu_tmp2_i32, cpu_tmp3_i32);
|
|
tcg_gen_extu_i32_tl(cpu_cc_src, cpu_tmp2_i32);
|
|
break;
|
|
default:
|
|
tcg_gen_ext16s_tl(cpu_T0, cpu_T0);
|
|
tcg_gen_ext16s_tl(cpu_T1, cpu_T1);
|
|
/* XXX: use 32 bit mul which could be faster */
|
|
tcg_gen_mul_tl(cpu_T0, cpu_T0, cpu_T1);
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T0);
|
|
tcg_gen_ext16s_tl(cpu_tmp0, cpu_T0);
|
|
tcg_gen_sub_tl(cpu_cc_src, cpu_T0, cpu_tmp0);
|
|
gen_op_mov_reg_v(ot, reg, cpu_T0);
|
|
break;
|
|
}
|
|
set_cc_op(s, CC_OP_MULB + ot);
|
|
break;
|
|
case 0x1c0:
|
|
case 0x1c1: /* xadd Ev, Gv */
|
|
ot = mo_b_d(b, dflag);
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
mod = (modrm >> 6) & 3;
|
|
if (mod == 3) {
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_mov_v_reg(ot, cpu_T0, reg);
|
|
gen_op_mov_v_reg(ot, cpu_T1, rm);
|
|
tcg_gen_add_tl(cpu_T0, cpu_T0, cpu_T1);
|
|
gen_op_mov_reg_v(ot, reg, cpu_T1);
|
|
gen_op_mov_reg_v(ot, rm, cpu_T0);
|
|
} else {
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_op_mov_v_reg(ot, cpu_T0, reg);
|
|
gen_op_ld_v(s, ot, cpu_T1, cpu_A0);
|
|
tcg_gen_add_tl(cpu_T0, cpu_T0, cpu_T1);
|
|
gen_op_st_v(s, ot, cpu_T0, cpu_A0);
|
|
gen_op_mov_reg_v(ot, reg, cpu_T1);
|
|
}
|
|
gen_op_update2_cc();
|
|
set_cc_op(s, CC_OP_ADDB + ot);
|
|
break;
|
|
case 0x1b0:
|
|
case 0x1b1: /* cmpxchg Ev, Gv */
|
|
{
|
|
TCGLabel *label1, *label2;
|
|
TCGv t0, t1, t2, a0;
|
|
|
|
ot = mo_b_d(b, dflag);
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
mod = (modrm >> 6) & 3;
|
|
t0 = tcg_temp_local_new();
|
|
t1 = tcg_temp_local_new();
|
|
t2 = tcg_temp_local_new();
|
|
a0 = tcg_temp_local_new();
|
|
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(env, s, modrm);
|
|
tcg_gen_mov_tl(a0, cpu_A0);
|
|
gen_op_ld_v(s, ot, t0, a0);
|
|
rm = 0; /* avoid warning */
|
|
}
|
|
label1 = gen_new_label();
|
|
tcg_gen_mov_tl(t2, cpu_regs[R_EAX]);
|
|
gen_extu(ot, t0);
|
|
gen_extu(ot, t2);
|
|
tcg_gen_brcond_tl(TCG_COND_EQ, t2, t0, label1);
|
|
label2 = gen_new_label();
|
|
if (mod == 3) {
|
|
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);
|
|
} else {
|
|
/* perform no-op store cycle like physical cpu; must be
|
|
before changing accumulator to ensure idempotency if
|
|
the store faults and the instruction is restarted */
|
|
gen_op_st_v(s, ot, t0, a0);
|
|
gen_op_mov_reg_v(ot, R_EAX, t0);
|
|
tcg_gen_br(label2);
|
|
gen_set_label(label1);
|
|
gen_op_st_v(s, ot, t1, a0);
|
|
}
|
|
gen_set_label(label2);
|
|
tcg_gen_mov_tl(cpu_cc_src, t0);
|
|
tcg_gen_mov_tl(cpu_cc_srcT, t2);
|
|
tcg_gen_sub_tl(cpu_cc_dst, t2, t0);
|
|
set_cc_op(s, 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 = cpu_ldub_code(env, s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
if ((mod == 3) || ((modrm & 0x38) != 0x8))
|
|
goto illegal_op;
|
|
#ifdef TARGET_X86_64
|
|
if (dflag == MO_64) {
|
|
if (!(s->cpuid_ext_features & CPUID_EXT_CX16))
|
|
goto illegal_op;
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_helper_cmpxchg16b(cpu_env, cpu_A0);
|
|
} else
|
|
#endif
|
|
{
|
|
if (!(s->cpuid_features & CPUID_CX8))
|
|
goto illegal_op;
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_helper_cmpxchg8b(cpu_env, cpu_A0);
|
|
}
|
|
set_cc_op(s, CC_OP_EFLAGS);
|
|
break;
|
|
|
|
/**************************/
|
|
/* push/pop */
|
|
case 0x50 ... 0x57: /* push */
|
|
gen_op_mov_v_reg(MO_32, cpu_T0, (b & 7) | REX_B(s));
|
|
gen_push_v(s, cpu_T0);
|
|
break;
|
|
case 0x58 ... 0x5f: /* pop */
|
|
ot = gen_pop_T0(s);
|
|
/* NOTE: order is important for pop %sp */
|
|
gen_pop_update(s, ot);
|
|
gen_op_mov_reg_v(ot, (b & 7) | REX_B(s), cpu_T0);
|
|
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:
|
|
ot = mo_pushpop(s, dflag);
|
|
if (b == 0x68)
|
|
val = insn_get(env, s, ot);
|
|
else
|
|
val = (int8_t)insn_get(env, s, MO_8);
|
|
tcg_gen_movi_tl(cpu_T0, val);
|
|
gen_push_v(s, cpu_T0);
|
|
break;
|
|
case 0x8f: /* pop Ev */
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
ot = gen_pop_T0(s);
|
|
if (mod == 3) {
|
|
/* NOTE: order is important for pop %sp */
|
|
gen_pop_update(s, ot);
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_mov_reg_v(ot, rm, cpu_T0);
|
|
} else {
|
|
/* NOTE: order is important too for MMU exceptions */
|
|
s->popl_esp_hack = 1 << ot;
|
|
gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 1);
|
|
s->popl_esp_hack = 0;
|
|
gen_pop_update(s, ot);
|
|
}
|
|
break;
|
|
case 0xc8: /* enter */
|
|
{
|
|
int level;
|
|
val = cpu_lduw_code(env, s->pc);
|
|
s->pc += 2;
|
|
level = cpu_ldub_code(env, s->pc++);
|
|
gen_enter(s, val, level);
|
|
}
|
|
break;
|
|
case 0xc9: /* leave */
|
|
gen_leave(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_v(s, cpu_T0);
|
|
break;
|
|
case 0x1a0: /* push fs */
|
|
case 0x1a8: /* push gs */
|
|
gen_op_movl_T0_seg((b >> 3) & 7);
|
|
gen_push_v(s, cpu_T0);
|
|
break;
|
|
case 0x07: /* pop es */
|
|
case 0x17: /* pop ss */
|
|
case 0x1f: /* pop ds */
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
reg = b >> 3;
|
|
ot = gen_pop_T0(s);
|
|
gen_movl_seg_T0(s, reg);
|
|
gen_pop_update(s, ot);
|
|
/* Note that reg == R_SS in gen_movl_seg_T0 always sets is_jmp. */
|
|
if (s->is_jmp) {
|
|
gen_jmp_im(s->pc - s->cs_base);
|
|
if (reg == R_SS) {
|
|
s->tf = 0;
|
|
gen_eob_inhibit_irq(s, true);
|
|
} else {
|
|
gen_eob(s);
|
|
}
|
|
}
|
|
break;
|
|
case 0x1a1: /* pop fs */
|
|
case 0x1a9: /* pop gs */
|
|
ot = gen_pop_T0(s);
|
|
gen_movl_seg_T0(s, (b >> 3) & 7);
|
|
gen_pop_update(s, ot);
|
|
if (s->is_jmp) {
|
|
gen_jmp_im(s->pc - s->cs_base);
|
|
gen_eob(s);
|
|
}
|
|
break;
|
|
|
|
/**************************/
|
|
/* mov */
|
|
case 0x88:
|
|
case 0x89: /* mov Gv, Ev */
|
|
ot = mo_b_d(b, dflag);
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
|
|
/* generate a generic store */
|
|
gen_ldst_modrm(env, s, modrm, ot, reg, 1);
|
|
break;
|
|
case 0xc6:
|
|
case 0xc7: /* mov Ev, Iv */
|
|
ot = mo_b_d(b, dflag);
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
if (mod != 3) {
|
|
s->rip_offset = insn_const_size(ot);
|
|
gen_lea_modrm(env, s, modrm);
|
|
}
|
|
val = insn_get(env, s, ot);
|
|
tcg_gen_movi_tl(cpu_T0, val);
|
|
if (mod != 3) {
|
|
gen_op_st_v(s, ot, cpu_T0, cpu_A0);
|
|
} else {
|
|
gen_op_mov_reg_v(ot, (modrm & 7) | REX_B(s), cpu_T0);
|
|
}
|
|
break;
|
|
case 0x8a:
|
|
case 0x8b: /* mov Ev, Gv */
|
|
ot = mo_b_d(b, dflag);
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
|
|
gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
|
|
gen_op_mov_reg_v(ot, reg, cpu_T0);
|
|
break;
|
|
case 0x8e: /* mov seg, Gv */
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
reg = (modrm >> 3) & 7;
|
|
if (reg >= 6 || reg == R_CS)
|
|
goto illegal_op;
|
|
gen_ldst_modrm(env, s, modrm, MO_16, OR_TMP0, 0);
|
|
gen_movl_seg_T0(s, reg);
|
|
/* Note that reg == R_SS in gen_movl_seg_T0 always sets is_jmp. */
|
|
if (s->is_jmp) {
|
|
gen_jmp_im(s->pc - s->cs_base);
|
|
if (reg == R_SS) {
|
|
s->tf = 0;
|
|
gen_eob_inhibit_irq(s, true);
|
|
} else {
|
|
gen_eob(s);
|
|
}
|
|
}
|
|
break;
|
|
case 0x8c: /* mov Gv, seg */
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
reg = (modrm >> 3) & 7;
|
|
mod = (modrm >> 6) & 3;
|
|
if (reg >= 6)
|
|
goto illegal_op;
|
|
gen_op_movl_T0_seg(reg);
|
|
ot = mod == 3 ? dflag : MO_16;
|
|
gen_ldst_modrm(env, 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 */
|
|
{
|
|
TCGMemOp d_ot;
|
|
TCGMemOp s_ot;
|
|
|
|
/* d_ot is the size of destination */
|
|
d_ot = dflag;
|
|
/* ot is the size of source */
|
|
ot = (b & 1) + MO_8;
|
|
/* s_ot is the sign+size of source */
|
|
s_ot = b & 8 ? MO_SIGN | ot : ot;
|
|
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
mod = (modrm >> 6) & 3;
|
|
rm = (modrm & 7) | REX_B(s);
|
|
|
|
if (mod == 3) {
|
|
gen_op_mov_v_reg(ot, cpu_T0, rm);
|
|
switch (s_ot) {
|
|
case MO_UB:
|
|
tcg_gen_ext8u_tl(cpu_T0, cpu_T0);
|
|
break;
|
|
case MO_SB:
|
|
tcg_gen_ext8s_tl(cpu_T0, cpu_T0);
|
|
break;
|
|
case MO_UW:
|
|
tcg_gen_ext16u_tl(cpu_T0, cpu_T0);
|
|
break;
|
|
default:
|
|
case MO_SW:
|
|
tcg_gen_ext16s_tl(cpu_T0, cpu_T0);
|
|
break;
|
|
}
|
|
gen_op_mov_reg_v(d_ot, reg, cpu_T0);
|
|
} else {
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_op_ld_v(s, s_ot, cpu_T0, cpu_A0);
|
|
gen_op_mov_reg_v(d_ot, reg, cpu_T0);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 0x8d: /* lea */
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
if (mod == 3)
|
|
goto illegal_op;
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
{
|
|
AddressParts a = gen_lea_modrm_0(env, s, modrm);
|
|
TCGv ea = gen_lea_modrm_1(a);
|
|
gen_lea_v_seg(s, s->aflag, ea, -1, -1);
|
|
gen_op_mov_reg_v(dflag, reg, cpu_A0);
|
|
}
|
|
break;
|
|
|
|
case 0xa0: /* mov EAX, Ov */
|
|
case 0xa1:
|
|
case 0xa2: /* mov Ov, EAX */
|
|
case 0xa3:
|
|
{
|
|
target_ulong offset_addr;
|
|
|
|
ot = mo_b_d(b, dflag);
|
|
switch (s->aflag) {
|
|
#ifdef TARGET_X86_64
|
|
case MO_64:
|
|
offset_addr = cpu_ldq_code(env, s->pc);
|
|
s->pc += 8;
|
|
break;
|
|
#endif
|
|
default:
|
|
offset_addr = insn_get(env, s, s->aflag);
|
|
break;
|
|
}
|
|
tcg_gen_movi_tl(cpu_A0, offset_addr);
|
|
gen_add_A0_ds_seg(s);
|
|
if ((b & 2) == 0) {
|
|
gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
|
|
gen_op_mov_reg_v(ot, R_EAX, cpu_T0);
|
|
} else {
|
|
gen_op_mov_v_reg(ot, cpu_T0, R_EAX);
|
|
gen_op_st_v(s, ot, cpu_T0, cpu_A0);
|
|
}
|
|
}
|
|
break;
|
|
case 0xd7: /* xlat */
|
|
tcg_gen_mov_tl(cpu_A0, cpu_regs[R_EBX]);
|
|
tcg_gen_ext8u_tl(cpu_T0, cpu_regs[R_EAX]);
|
|
tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_T0);
|
|
gen_extu(s->aflag, cpu_A0);
|
|
gen_add_A0_ds_seg(s);
|
|
gen_op_ld_v(s, MO_8, cpu_T0, cpu_A0);
|
|
gen_op_mov_reg_v(MO_8, R_EAX, cpu_T0);
|
|
break;
|
|
case 0xb0 ... 0xb7: /* mov R, Ib */
|
|
val = insn_get(env, s, MO_8);
|
|
tcg_gen_movi_tl(cpu_T0, val);
|
|
gen_op_mov_reg_v(MO_8, (b & 7) | REX_B(s), cpu_T0);
|
|
break;
|
|
case 0xb8 ... 0xbf: /* mov R, Iv */
|
|
#ifdef TARGET_X86_64
|
|
if (dflag == MO_64) {
|
|
uint64_t tmp;
|
|
/* 64 bit case */
|
|
tmp = cpu_ldq_code(env, s->pc);
|
|
s->pc += 8;
|
|
reg = (b & 7) | REX_B(s);
|
|
tcg_gen_movi_tl(cpu_T0, tmp);
|
|
gen_op_mov_reg_v(MO_64, reg, cpu_T0);
|
|
} else
|
|
#endif
|
|
{
|
|
ot = dflag;
|
|
val = insn_get(env, s, ot);
|
|
reg = (b & 7) | REX_B(s);
|
|
tcg_gen_movi_tl(cpu_T0, val);
|
|
gen_op_mov_reg_v(ot, reg, cpu_T0);
|
|
}
|
|
break;
|
|
|
|
case 0x91 ... 0x97: /* xchg R, EAX */
|
|
do_xchg_reg_eax:
|
|
ot = dflag;
|
|
reg = (b & 7) | REX_B(s);
|
|
rm = R_EAX;
|
|
goto do_xchg_reg;
|
|
case 0x86:
|
|
case 0x87: /* xchg Ev, Gv */
|
|
ot = mo_b_d(b, dflag);
|
|
modrm = cpu_ldub_code(env, 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_v_reg(ot, cpu_T0, reg);
|
|
gen_op_mov_v_reg(ot, cpu_T1, rm);
|
|
gen_op_mov_reg_v(ot, rm, cpu_T0);
|
|
gen_op_mov_reg_v(ot, reg, cpu_T1);
|
|
} else {
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_op_mov_v_reg(ot, cpu_T0, reg);
|
|
/* for xchg, lock is implicit */
|
|
if (!(prefixes & PREFIX_LOCK))
|
|
gen_helper_lock();
|
|
gen_op_ld_v(s, ot, cpu_T1, cpu_A0);
|
|
gen_op_st_v(s, ot, cpu_T0, cpu_A0);
|
|
if (!(prefixes & PREFIX_LOCK))
|
|
gen_helper_unlock();
|
|
gen_op_mov_reg_v(ot, reg, cpu_T1);
|
|
}
|
|
break;
|
|
case 0xc4: /* les Gv */
|
|
/* In CODE64 this is VEX3; see above. */
|
|
op = R_ES;
|
|
goto do_lxx;
|
|
case 0xc5: /* lds Gv */
|
|
/* In CODE64 this is VEX2; see above. */
|
|
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 != MO_16 ? MO_32 : MO_16;
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
mod = (modrm >> 6) & 3;
|
|
if (mod == 3)
|
|
goto illegal_op;
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_op_ld_v(s, ot, cpu_T1, cpu_A0);
|
|
gen_add_A0_im(s, 1 << ot);
|
|
/* load the segment first to handle exceptions properly */
|
|
gen_op_ld_v(s, MO_16, cpu_T0, cpu_A0);
|
|
gen_movl_seg_T0(s, op);
|
|
/* then put the data */
|
|
gen_op_mov_reg_v(ot, reg, cpu_T1);
|
|
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:
|
|
{
|
|
ot = mo_b_d(b, dflag);
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
op = (modrm >> 3) & 7;
|
|
|
|
if (mod != 3) {
|
|
if (shift == 2) {
|
|
s->rip_offset = 1;
|
|
}
|
|
gen_lea_modrm(env, s, modrm);
|
|
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 = cpu_ldub_code(env, 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;
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
rm = (modrm & 7) | REX_B(s);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
if (mod != 3) {
|
|
gen_lea_modrm(env, s, modrm);
|
|
opreg = OR_TMP0;
|
|
} else {
|
|
opreg = rm;
|
|
}
|
|
gen_op_mov_v_reg(ot, cpu_T1, reg);
|
|
|
|
if (shift) {
|
|
TCGv imm = tcg_const_tl(cpu_ldub_code(env, s->pc++));
|
|
gen_shiftd_rm_T1(s, ot, opreg, op, imm);
|
|
tcg_temp_free(imm);
|
|
} else {
|
|
gen_shiftd_rm_T1(s, ot, opreg, op, cpu_regs[R_ECX]);
|
|
}
|
|
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 = cpu_ldub_code(env, s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
rm = modrm & 7;
|
|
op = ((b & 7) << 3) | ((modrm >> 3) & 7);
|
|
if (mod != 3) {
|
|
/* memory op */
|
|
gen_lea_modrm(env, s, modrm);
|
|
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:
|
|
tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
|
|
s->mem_index, MO_LEUL);
|
|
gen_helper_flds_FT0(cpu_env, cpu_tmp2_i32);
|
|
break;
|
|
case 1:
|
|
tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
|
|
s->mem_index, MO_LEUL);
|
|
gen_helper_fildl_FT0(cpu_env, cpu_tmp2_i32);
|
|
break;
|
|
case 2:
|
|
tcg_gen_qemu_ld_i64(cpu_tmp1_i64, cpu_A0,
|
|
s->mem_index, MO_LEQ);
|
|
gen_helper_fldl_FT0(cpu_env, cpu_tmp1_i64);
|
|
break;
|
|
case 3:
|
|
default:
|
|
tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
|
|
s->mem_index, MO_LESW);
|
|
gen_helper_fildl_FT0(cpu_env, cpu_tmp2_i32);
|
|
break;
|
|
}
|
|
|
|
gen_helper_fp_arith_ST0_FT0(op1);
|
|
if (op1 == 3) {
|
|
/* fcomp needs pop */
|
|
gen_helper_fpop(cpu_env);
|
|
}
|
|
}
|
|
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:
|
|
tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
|
|
s->mem_index, MO_LEUL);
|
|
gen_helper_flds_ST0(cpu_env, cpu_tmp2_i32);
|
|
break;
|
|
case 1:
|
|
tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
|
|
s->mem_index, MO_LEUL);
|
|
gen_helper_fildl_ST0(cpu_env, cpu_tmp2_i32);
|
|
break;
|
|
case 2:
|
|
tcg_gen_qemu_ld_i64(cpu_tmp1_i64, cpu_A0,
|
|
s->mem_index, MO_LEQ);
|
|
gen_helper_fldl_ST0(cpu_env, cpu_tmp1_i64);
|
|
break;
|
|
case 3:
|
|
default:
|
|
tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
|
|
s->mem_index, MO_LESW);
|
|
gen_helper_fildl_ST0(cpu_env, cpu_tmp2_i32);
|
|
break;
|
|
}
|
|
break;
|
|
case 1:
|
|
/* XXX: the corresponding CPUID bit must be tested ! */
|
|
switch(op >> 4) {
|
|
case 1:
|
|
gen_helper_fisttl_ST0(cpu_tmp2_i32, cpu_env);
|
|
tcg_gen_qemu_st_i32(cpu_tmp2_i32, cpu_A0,
|
|
s->mem_index, MO_LEUL);
|
|
break;
|
|
case 2:
|
|
gen_helper_fisttll_ST0(cpu_tmp1_i64, cpu_env);
|
|
tcg_gen_qemu_st_i64(cpu_tmp1_i64, cpu_A0,
|
|
s->mem_index, MO_LEQ);
|
|
break;
|
|
case 3:
|
|
default:
|
|
gen_helper_fistt_ST0(cpu_tmp2_i32, cpu_env);
|
|
tcg_gen_qemu_st_i32(cpu_tmp2_i32, cpu_A0,
|
|
s->mem_index, MO_LEUW);
|
|
break;
|
|
}
|
|
gen_helper_fpop(cpu_env);
|
|
break;
|
|
default:
|
|
switch(op >> 4) {
|
|
case 0:
|
|
gen_helper_fsts_ST0(cpu_tmp2_i32, cpu_env);
|
|
tcg_gen_qemu_st_i32(cpu_tmp2_i32, cpu_A0,
|
|
s->mem_index, MO_LEUL);
|
|
break;
|
|
case 1:
|
|
gen_helper_fistl_ST0(cpu_tmp2_i32, cpu_env);
|
|
tcg_gen_qemu_st_i32(cpu_tmp2_i32, cpu_A0,
|
|
s->mem_index, MO_LEUL);
|
|
break;
|
|
case 2:
|
|
gen_helper_fstl_ST0(cpu_tmp1_i64, cpu_env);
|
|
tcg_gen_qemu_st_i64(cpu_tmp1_i64, cpu_A0,
|
|
s->mem_index, MO_LEQ);
|
|
break;
|
|
case 3:
|
|
default:
|
|
gen_helper_fist_ST0(cpu_tmp2_i32, cpu_env);
|
|
tcg_gen_qemu_st_i32(cpu_tmp2_i32, cpu_A0,
|
|
s->mem_index, MO_LEUW);
|
|
break;
|
|
}
|
|
if ((op & 7) == 3)
|
|
gen_helper_fpop(cpu_env);
|
|
break;
|
|
}
|
|
break;
|
|
case 0x0c: /* fldenv mem */
|
|
gen_helper_fldenv(cpu_env, cpu_A0, tcg_const_i32(dflag - 1));
|
|
break;
|
|
case 0x0d: /* fldcw mem */
|
|
tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
|
|
s->mem_index, MO_LEUW);
|
|
gen_helper_fldcw(cpu_env, cpu_tmp2_i32);
|
|
break;
|
|
case 0x0e: /* fnstenv mem */
|
|
gen_helper_fstenv(cpu_env, cpu_A0, tcg_const_i32(dflag - 1));
|
|
break;
|
|
case 0x0f: /* fnstcw mem */
|
|
gen_helper_fnstcw(cpu_tmp2_i32, cpu_env);
|
|
tcg_gen_qemu_st_i32(cpu_tmp2_i32, cpu_A0,
|
|
s->mem_index, MO_LEUW);
|
|
break;
|
|
case 0x1d: /* fldt mem */
|
|
gen_helper_fldt_ST0(cpu_env, cpu_A0);
|
|
break;
|
|
case 0x1f: /* fstpt mem */
|
|
gen_helper_fstt_ST0(cpu_env, cpu_A0);
|
|
gen_helper_fpop(cpu_env);
|
|
break;
|
|
case 0x2c: /* frstor mem */
|
|
gen_helper_frstor(cpu_env, cpu_A0, tcg_const_i32(dflag - 1));
|
|
break;
|
|
case 0x2e: /* fnsave mem */
|
|
gen_helper_fsave(cpu_env, cpu_A0, tcg_const_i32(dflag - 1));
|
|
break;
|
|
case 0x2f: /* fnstsw mem */
|
|
gen_helper_fnstsw(cpu_tmp2_i32, cpu_env);
|
|
tcg_gen_qemu_st_i32(cpu_tmp2_i32, cpu_A0,
|
|
s->mem_index, MO_LEUW);
|
|
break;
|
|
case 0x3c: /* fbld */
|
|
gen_helper_fbld_ST0(cpu_env, cpu_A0);
|
|
break;
|
|
case 0x3e: /* fbstp */
|
|
gen_helper_fbst_ST0(cpu_env, cpu_A0);
|
|
gen_helper_fpop(cpu_env);
|
|
break;
|
|
case 0x3d: /* fildll */
|
|
tcg_gen_qemu_ld_i64(cpu_tmp1_i64, cpu_A0, s->mem_index, MO_LEQ);
|
|
gen_helper_fildll_ST0(cpu_env, cpu_tmp1_i64);
|
|
break;
|
|
case 0x3f: /* fistpll */
|
|
gen_helper_fistll_ST0(cpu_tmp1_i64, cpu_env);
|
|
tcg_gen_qemu_st_i64(cpu_tmp1_i64, cpu_A0, s->mem_index, MO_LEQ);
|
|
gen_helper_fpop(cpu_env);
|
|
break;
|
|
default:
|
|
goto unknown_op;
|
|
}
|
|
} else {
|
|
/* register float ops */
|
|
opreg = rm;
|
|
|
|
switch(op) {
|
|
case 0x08: /* fld sti */
|
|
gen_helper_fpush(cpu_env);
|
|
gen_helper_fmov_ST0_STN(cpu_env,
|
|
tcg_const_i32((opreg + 1) & 7));
|
|
break;
|
|
case 0x09: /* fxchg sti */
|
|
case 0x29: /* fxchg4 sti, undocumented op */
|
|
case 0x39: /* fxchg7 sti, undocumented op */
|
|
gen_helper_fxchg_ST0_STN(cpu_env, tcg_const_i32(opreg));
|
|
break;
|
|
case 0x0a: /* grp d9/2 */
|
|
switch(rm) {
|
|
case 0: /* fnop */
|
|
/* check exceptions (FreeBSD FPU probe) */
|
|
gen_helper_fwait(cpu_env);
|
|
break;
|
|
default:
|
|
goto unknown_op;
|
|
}
|
|
break;
|
|
case 0x0c: /* grp d9/4 */
|
|
switch(rm) {
|
|
case 0: /* fchs */
|
|
gen_helper_fchs_ST0(cpu_env);
|
|
break;
|
|
case 1: /* fabs */
|
|
gen_helper_fabs_ST0(cpu_env);
|
|
break;
|
|
case 4: /* ftst */
|
|
gen_helper_fldz_FT0(cpu_env);
|
|
gen_helper_fcom_ST0_FT0(cpu_env);
|
|
break;
|
|
case 5: /* fxam */
|
|
gen_helper_fxam_ST0(cpu_env);
|
|
break;
|
|
default:
|
|
goto unknown_op;
|
|
}
|
|
break;
|
|
case 0x0d: /* grp d9/5 */
|
|
{
|
|
switch(rm) {
|
|
case 0:
|
|
gen_helper_fpush(cpu_env);
|
|
gen_helper_fld1_ST0(cpu_env);
|
|
break;
|
|
case 1:
|
|
gen_helper_fpush(cpu_env);
|
|
gen_helper_fldl2t_ST0(cpu_env);
|
|
break;
|
|
case 2:
|
|
gen_helper_fpush(cpu_env);
|
|
gen_helper_fldl2e_ST0(cpu_env);
|
|
break;
|
|
case 3:
|
|
gen_helper_fpush(cpu_env);
|
|
gen_helper_fldpi_ST0(cpu_env);
|
|
break;
|
|
case 4:
|
|
gen_helper_fpush(cpu_env);
|
|
gen_helper_fldlg2_ST0(cpu_env);
|
|
break;
|
|
case 5:
|
|
gen_helper_fpush(cpu_env);
|
|
gen_helper_fldln2_ST0(cpu_env);
|
|
break;
|
|
case 6:
|
|
gen_helper_fpush(cpu_env);
|
|
gen_helper_fldz_ST0(cpu_env);
|
|
break;
|
|
default:
|
|
goto unknown_op;
|
|
}
|
|
}
|
|
break;
|
|
case 0x0e: /* grp d9/6 */
|
|
switch(rm) {
|
|
case 0: /* f2xm1 */
|
|
gen_helper_f2xm1(cpu_env);
|
|
break;
|
|
case 1: /* fyl2x */
|
|
gen_helper_fyl2x(cpu_env);
|
|
break;
|
|
case 2: /* fptan */
|
|
gen_helper_fptan(cpu_env);
|
|
break;
|
|
case 3: /* fpatan */
|
|
gen_helper_fpatan(cpu_env);
|
|
break;
|
|
case 4: /* fxtract */
|
|
gen_helper_fxtract(cpu_env);
|
|
break;
|
|
case 5: /* fprem1 */
|
|
gen_helper_fprem1(cpu_env);
|
|
break;
|
|
case 6: /* fdecstp */
|
|
gen_helper_fdecstp(cpu_env);
|
|
break;
|
|
default:
|
|
case 7: /* fincstp */
|
|
gen_helper_fincstp(cpu_env);
|
|
break;
|
|
}
|
|
break;
|
|
case 0x0f: /* grp d9/7 */
|
|
switch(rm) {
|
|
case 0: /* fprem */
|
|
gen_helper_fprem(cpu_env);
|
|
break;
|
|
case 1: /* fyl2xp1 */
|
|
gen_helper_fyl2xp1(cpu_env);
|
|
break;
|
|
case 2: /* fsqrt */
|
|
gen_helper_fsqrt(cpu_env);
|
|
break;
|
|
case 3: /* fsincos */
|
|
gen_helper_fsincos(cpu_env);
|
|
break;
|
|
case 5: /* fscale */
|
|
gen_helper_fscale(cpu_env);
|
|
break;
|
|
case 4: /* frndint */
|
|
gen_helper_frndint(cpu_env);
|
|
break;
|
|
case 6: /* fsin */
|
|
gen_helper_fsin(cpu_env);
|
|
break;
|
|
default:
|
|
case 7: /* fcos */
|
|
gen_helper_fcos(cpu_env);
|
|
break;
|
|
}
|
|
break;
|
|
case 0x00: case 0x01: case 0x04 ... 0x07: /* fxxx st, sti */
|
|
case 0x20: case 0x21: case 0x24 ... 0x27: /* fxxx sti, st */
|
|
case 0x30: case 0x31: case 0x34 ... 0x37: /* fxxxp sti, st */
|
|
{
|
|
int op1;
|
|
|
|
op1 = op & 7;
|
|
if (op >= 0x20) {
|
|
gen_helper_fp_arith_STN_ST0(op1, opreg);
|
|
if (op >= 0x30)
|
|
gen_helper_fpop(cpu_env);
|
|
} else {
|
|
gen_helper_fmov_FT0_STN(cpu_env, tcg_const_i32(opreg));
|
|
gen_helper_fp_arith_ST0_FT0(op1);
|
|
}
|
|
}
|
|
break;
|
|
case 0x02: /* fcom */
|
|
case 0x22: /* fcom2, undocumented op */
|
|
gen_helper_fmov_FT0_STN(cpu_env, tcg_const_i32(opreg));
|
|
gen_helper_fcom_ST0_FT0(cpu_env);
|
|
break;
|
|
case 0x03: /* fcomp */
|
|
case 0x23: /* fcomp3, undocumented op */
|
|
case 0x32: /* fcomp5, undocumented op */
|
|
gen_helper_fmov_FT0_STN(cpu_env, tcg_const_i32(opreg));
|
|
gen_helper_fcom_ST0_FT0(cpu_env);
|
|
gen_helper_fpop(cpu_env);
|
|
break;
|
|
case 0x15: /* da/5 */
|
|
switch(rm) {
|
|
case 1: /* fucompp */
|
|
gen_helper_fmov_FT0_STN(cpu_env, tcg_const_i32(1));
|
|
gen_helper_fucom_ST0_FT0(cpu_env);
|
|
gen_helper_fpop(cpu_env);
|
|
gen_helper_fpop(cpu_env);
|
|
break;
|
|
default:
|
|
goto unknown_op;
|
|
}
|
|
break;
|
|
case 0x1c:
|
|
switch(rm) {
|
|
case 0: /* feni (287 only, just do nop here) */
|
|
break;
|
|
case 1: /* fdisi (287 only, just do nop here) */
|
|
break;
|
|
case 2: /* fclex */
|
|
gen_helper_fclex(cpu_env);
|
|
break;
|
|
case 3: /* fninit */
|
|
gen_helper_fninit(cpu_env);
|
|
break;
|
|
case 4: /* fsetpm (287 only, just do nop here) */
|
|
break;
|
|
default:
|
|
goto unknown_op;
|
|
}
|
|
break;
|
|
case 0x1d: /* fucomi */
|
|
if (!(s->cpuid_features & CPUID_CMOV)) {
|
|
goto illegal_op;
|
|
}
|
|
gen_update_cc_op(s);
|
|
gen_helper_fmov_FT0_STN(cpu_env, tcg_const_i32(opreg));
|
|
gen_helper_fucomi_ST0_FT0(cpu_env);
|
|
set_cc_op(s, CC_OP_EFLAGS);
|
|
break;
|
|
case 0x1e: /* fcomi */
|
|
if (!(s->cpuid_features & CPUID_CMOV)) {
|
|
goto illegal_op;
|
|
}
|
|
gen_update_cc_op(s);
|
|
gen_helper_fmov_FT0_STN(cpu_env, tcg_const_i32(opreg));
|
|
gen_helper_fcomi_ST0_FT0(cpu_env);
|
|
set_cc_op(s, CC_OP_EFLAGS);
|
|
break;
|
|
case 0x28: /* ffree sti */
|
|
gen_helper_ffree_STN(cpu_env, tcg_const_i32(opreg));
|
|
break;
|
|
case 0x2a: /* fst sti */
|
|
gen_helper_fmov_STN_ST0(cpu_env, 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 */
|
|
gen_helper_fmov_STN_ST0(cpu_env, tcg_const_i32(opreg));
|
|
gen_helper_fpop(cpu_env);
|
|
break;
|
|
case 0x2c: /* fucom st(i) */
|
|
gen_helper_fmov_FT0_STN(cpu_env, tcg_const_i32(opreg));
|
|
gen_helper_fucom_ST0_FT0(cpu_env);
|
|
break;
|
|
case 0x2d: /* fucomp st(i) */
|
|
gen_helper_fmov_FT0_STN(cpu_env, tcg_const_i32(opreg));
|
|
gen_helper_fucom_ST0_FT0(cpu_env);
|
|
gen_helper_fpop(cpu_env);
|
|
break;
|
|
case 0x33: /* de/3 */
|
|
switch(rm) {
|
|
case 1: /* fcompp */
|
|
gen_helper_fmov_FT0_STN(cpu_env, tcg_const_i32(1));
|
|
gen_helper_fcom_ST0_FT0(cpu_env);
|
|
gen_helper_fpop(cpu_env);
|
|
gen_helper_fpop(cpu_env);
|
|
break;
|
|
default:
|
|
goto unknown_op;
|
|
}
|
|
break;
|
|
case 0x38: /* ffreep sti, undocumented op */
|
|
gen_helper_ffree_STN(cpu_env, tcg_const_i32(opreg));
|
|
gen_helper_fpop(cpu_env);
|
|
break;
|
|
case 0x3c: /* df/4 */
|
|
switch(rm) {
|
|
case 0:
|
|
gen_helper_fnstsw(cpu_tmp2_i32, cpu_env);
|
|
tcg_gen_extu_i32_tl(cpu_T0, cpu_tmp2_i32);
|
|
gen_op_mov_reg_v(MO_16, R_EAX, cpu_T0);
|
|
break;
|
|
default:
|
|
goto unknown_op;
|
|
}
|
|
break;
|
|
case 0x3d: /* fucomip */
|
|
if (!(s->cpuid_features & CPUID_CMOV)) {
|
|
goto illegal_op;
|
|
}
|
|
gen_update_cc_op(s);
|
|
gen_helper_fmov_FT0_STN(cpu_env, tcg_const_i32(opreg));
|
|
gen_helper_fucomi_ST0_FT0(cpu_env);
|
|
gen_helper_fpop(cpu_env);
|
|
set_cc_op(s, CC_OP_EFLAGS);
|
|
break;
|
|
case 0x3e: /* fcomip */
|
|
if (!(s->cpuid_features & CPUID_CMOV)) {
|
|
goto illegal_op;
|
|
}
|
|
gen_update_cc_op(s);
|
|
gen_helper_fmov_FT0_STN(cpu_env, tcg_const_i32(opreg));
|
|
gen_helper_fcomi_ST0_FT0(cpu_env);
|
|
gen_helper_fpop(cpu_env);
|
|
set_cc_op(s, CC_OP_EFLAGS);
|
|
break;
|
|
case 0x10 ... 0x13: /* fcmovxx */
|
|
case 0x18 ... 0x1b:
|
|
{
|
|
int op1;
|
|
TCGLabel *l1;
|
|
static const uint8_t fcmov_cc[8] = {
|
|
(JCC_B << 1),
|
|
(JCC_Z << 1),
|
|
(JCC_BE << 1),
|
|
(JCC_P << 1),
|
|
};
|
|
|
|
if (!(s->cpuid_features & CPUID_CMOV)) {
|
|
goto illegal_op;
|
|
}
|
|
op1 = fcmov_cc[op & 3] | (((op >> 3) & 1) ^ 1);
|
|
l1 = gen_new_label();
|
|
gen_jcc1_noeob(s, op1, l1);
|
|
gen_helper_fmov_ST0_STN(cpu_env, tcg_const_i32(opreg));
|
|
gen_set_label(l1);
|
|
}
|
|
break;
|
|
default:
|
|
goto unknown_op;
|
|
}
|
|
}
|
|
break;
|
|
/************************/
|
|
/* string ops */
|
|
|
|
case 0xa4: /* movsS */
|
|
case 0xa5:
|
|
ot = mo_b_d(b, dflag);
|
|
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:
|
|
ot = mo_b_d(b, dflag);
|
|
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:
|
|
ot = mo_b_d(b, dflag);
|
|
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:
|
|
ot = mo_b_d(b, dflag);
|
|
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);
|
|
}
|
|
break;
|
|
|
|
case 0xa6: /* cmpsS */
|
|
case 0xa7:
|
|
ot = mo_b_d(b, dflag);
|
|
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);
|
|
}
|
|
break;
|
|
case 0x6c: /* insS */
|
|
case 0x6d:
|
|
ot = mo_b_d32(b, dflag);
|
|
tcg_gen_ext16u_tl(cpu_T0, cpu_regs[R_EDX]);
|
|
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 (s->tb->cflags & CF_USE_ICOUNT) {
|
|
gen_jmp(s, s->pc - s->cs_base);
|
|
}
|
|
}
|
|
break;
|
|
case 0x6e: /* outsS */
|
|
case 0x6f:
|
|
ot = mo_b_d32(b, dflag);
|
|
tcg_gen_ext16u_tl(cpu_T0, cpu_regs[R_EDX]);
|
|
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 (s->tb->cflags & CF_USE_ICOUNT) {
|
|
gen_jmp(s, s->pc - s->cs_base);
|
|
}
|
|
}
|
|
break;
|
|
|
|
/************************/
|
|
/* port I/O */
|
|
|
|
case 0xe4:
|
|
case 0xe5:
|
|
ot = mo_b_d32(b, dflag);
|
|
val = cpu_ldub_code(env, s->pc++);
|
|
tcg_gen_movi_tl(cpu_T0, val);
|
|
gen_check_io(s, ot, pc_start - s->cs_base,
|
|
SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes));
|
|
if (s->tb->cflags & CF_USE_ICOUNT) {
|
|
gen_io_start();
|
|
}
|
|
tcg_gen_movi_i32(cpu_tmp2_i32, val);
|
|
gen_helper_in_func(ot, cpu_T1, cpu_tmp2_i32);
|
|
gen_op_mov_reg_v(ot, R_EAX, cpu_T1);
|
|
gen_bpt_io(s, cpu_tmp2_i32, ot);
|
|
if (s->tb->cflags & CF_USE_ICOUNT) {
|
|
gen_io_end();
|
|
gen_jmp(s, s->pc - s->cs_base);
|
|
}
|
|
break;
|
|
case 0xe6:
|
|
case 0xe7:
|
|
ot = mo_b_d32(b, dflag);
|
|
val = cpu_ldub_code(env, s->pc++);
|
|
tcg_gen_movi_tl(cpu_T0, val);
|
|
gen_check_io(s, ot, pc_start - s->cs_base,
|
|
svm_is_rep(prefixes));
|
|
gen_op_mov_v_reg(ot, cpu_T1, R_EAX);
|
|
|
|
if (s->tb->cflags & CF_USE_ICOUNT) {
|
|
gen_io_start();
|
|
}
|
|
tcg_gen_movi_i32(cpu_tmp2_i32, val);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T1);
|
|
gen_helper_out_func(ot, cpu_tmp2_i32, cpu_tmp3_i32);
|
|
gen_bpt_io(s, cpu_tmp2_i32, ot);
|
|
if (s->tb->cflags & CF_USE_ICOUNT) {
|
|
gen_io_end();
|
|
gen_jmp(s, s->pc - s->cs_base);
|
|
}
|
|
break;
|
|
case 0xec:
|
|
case 0xed:
|
|
ot = mo_b_d32(b, dflag);
|
|
tcg_gen_ext16u_tl(cpu_T0, cpu_regs[R_EDX]);
|
|
gen_check_io(s, ot, pc_start - s->cs_base,
|
|
SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes));
|
|
if (s->tb->cflags & CF_USE_ICOUNT) {
|
|
gen_io_start();
|
|
}
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
|
|
gen_helper_in_func(ot, cpu_T1, cpu_tmp2_i32);
|
|
gen_op_mov_reg_v(ot, R_EAX, cpu_T1);
|
|
gen_bpt_io(s, cpu_tmp2_i32, ot);
|
|
if (s->tb->cflags & CF_USE_ICOUNT) {
|
|
gen_io_end();
|
|
gen_jmp(s, s->pc - s->cs_base);
|
|
}
|
|
break;
|
|
case 0xee:
|
|
case 0xef:
|
|
ot = mo_b_d32(b, dflag);
|
|
tcg_gen_ext16u_tl(cpu_T0, cpu_regs[R_EDX]);
|
|
gen_check_io(s, ot, pc_start - s->cs_base,
|
|
svm_is_rep(prefixes));
|
|
gen_op_mov_v_reg(ot, cpu_T1, R_EAX);
|
|
|
|
if (s->tb->cflags & CF_USE_ICOUNT) {
|
|
gen_io_start();
|
|
}
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T1);
|
|
gen_helper_out_func(ot, cpu_tmp2_i32, cpu_tmp3_i32);
|
|
gen_bpt_io(s, cpu_tmp2_i32, ot);
|
|
if (s->tb->cflags & CF_USE_ICOUNT) {
|
|
gen_io_end();
|
|
gen_jmp(s, s->pc - s->cs_base);
|
|
}
|
|
break;
|
|
|
|
/************************/
|
|
/* control */
|
|
case 0xc2: /* ret im */
|
|
val = cpu_ldsw_code(env, s->pc);
|
|
s->pc += 2;
|
|
ot = gen_pop_T0(s);
|
|
gen_stack_update(s, val + (1 << ot));
|
|
/* Note that gen_pop_T0 uses a zero-extending load. */
|
|
gen_op_jmp_v(cpu_T0);
|
|
gen_bnd_jmp(s);
|
|
gen_eob(s);
|
|
break;
|
|
case 0xc3: /* ret */
|
|
ot = gen_pop_T0(s);
|
|
gen_pop_update(s, ot);
|
|
/* Note that gen_pop_T0 uses a zero-extending load. */
|
|
gen_op_jmp_v(cpu_T0);
|
|
gen_bnd_jmp(s);
|
|
gen_eob(s);
|
|
break;
|
|
case 0xca: /* lret im */
|
|
val = cpu_ldsw_code(env, s->pc);
|
|
s->pc += 2;
|
|
do_lret:
|
|
if (s->pe && !s->vm86) {
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
gen_helper_lret_protected(cpu_env, tcg_const_i32(dflag - 1),
|
|
tcg_const_i32(val));
|
|
} else {
|
|
gen_stack_A0(s);
|
|
/* pop offset */
|
|
gen_op_ld_v(s, dflag, cpu_T0, cpu_A0);
|
|
/* NOTE: keeping EIP updated is not a problem in case of
|
|
exception */
|
|
gen_op_jmp_v(cpu_T0);
|
|
/* pop selector */
|
|
gen_add_A0_im(s, 1 << dflag);
|
|
gen_op_ld_v(s, dflag, cpu_T0, cpu_A0);
|
|
gen_op_movl_seg_T0_vm(R_CS);
|
|
/* add stack offset */
|
|
gen_stack_update(s, val + (2 << 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 */
|
|
gen_helper_iret_real(cpu_env, tcg_const_i32(dflag - 1));
|
|
set_cc_op(s, CC_OP_EFLAGS);
|
|
} else if (s->vm86) {
|
|
if (s->iopl != 3) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
} else {
|
|
gen_helper_iret_real(cpu_env, tcg_const_i32(dflag - 1));
|
|
set_cc_op(s, CC_OP_EFLAGS);
|
|
}
|
|
} else {
|
|
gen_helper_iret_protected(cpu_env, tcg_const_i32(dflag - 1),
|
|
tcg_const_i32(s->pc - s->cs_base));
|
|
set_cc_op(s, CC_OP_EFLAGS);
|
|
}
|
|
gen_eob(s);
|
|
break;
|
|
case 0xe8: /* call im */
|
|
{
|
|
if (dflag != MO_16) {
|
|
tval = (int32_t)insn_get(env, s, MO_32);
|
|
} else {
|
|
tval = (int16_t)insn_get(env, s, MO_16);
|
|
}
|
|
next_eip = s->pc - s->cs_base;
|
|
tval += next_eip;
|
|
if (dflag == MO_16) {
|
|
tval &= 0xffff;
|
|
} else if (!CODE64(s)) {
|
|
tval &= 0xffffffff;
|
|
}
|
|
tcg_gen_movi_tl(cpu_T0, next_eip);
|
|
gen_push_v(s, cpu_T0);
|
|
gen_bnd_jmp(s);
|
|
gen_jmp(s, tval);
|
|
}
|
|
break;
|
|
case 0x9a: /* lcall im */
|
|
{
|
|
unsigned int selector, offset;
|
|
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
ot = dflag;
|
|
offset = insn_get(env, s, ot);
|
|
selector = insn_get(env, s, MO_16);
|
|
|
|
tcg_gen_movi_tl(cpu_T0, selector);
|
|
tcg_gen_movi_tl(cpu_T1, offset);
|
|
}
|
|
goto do_lcall;
|
|
case 0xe9: /* jmp im */
|
|
if (dflag != MO_16) {
|
|
tval = (int32_t)insn_get(env, s, MO_32);
|
|
} else {
|
|
tval = (int16_t)insn_get(env, s, MO_16);
|
|
}
|
|
tval += s->pc - s->cs_base;
|
|
if (dflag == MO_16) {
|
|
tval &= 0xffff;
|
|
} else if (!CODE64(s)) {
|
|
tval &= 0xffffffff;
|
|
}
|
|
gen_bnd_jmp(s);
|
|
gen_jmp(s, tval);
|
|
break;
|
|
case 0xea: /* ljmp im */
|
|
{
|
|
unsigned int selector, offset;
|
|
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
ot = dflag;
|
|
offset = insn_get(env, s, ot);
|
|
selector = insn_get(env, s, MO_16);
|
|
|
|
tcg_gen_movi_tl(cpu_T0, selector);
|
|
tcg_gen_movi_tl(cpu_T1, offset);
|
|
}
|
|
goto do_ljmp;
|
|
case 0xeb: /* jmp Jb */
|
|
tval = (int8_t)insn_get(env, s, MO_8);
|
|
tval += s->pc - s->cs_base;
|
|
if (dflag == MO_16) {
|
|
tval &= 0xffff;
|
|
}
|
|
gen_jmp(s, tval);
|
|
break;
|
|
case 0x70 ... 0x7f: /* jcc Jb */
|
|
tval = (int8_t)insn_get(env, s, MO_8);
|
|
goto do_jcc;
|
|
case 0x180 ... 0x18f: /* jcc Jv */
|
|
if (dflag != MO_16) {
|
|
tval = (int32_t)insn_get(env, s, MO_32);
|
|
} else {
|
|
tval = (int16_t)insn_get(env, s, MO_16);
|
|
}
|
|
do_jcc:
|
|
next_eip = s->pc - s->cs_base;
|
|
tval += next_eip;
|
|
if (dflag == MO_16) {
|
|
tval &= 0xffff;
|
|
}
|
|
gen_bnd_jmp(s);
|
|
gen_jcc(s, b, tval, next_eip);
|
|
break;
|
|
|
|
case 0x190 ... 0x19f: /* setcc Gv */
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
gen_setcc1(s, b, cpu_T0);
|
|
gen_ldst_modrm(env, s, modrm, MO_8, OR_TMP0, 1);
|
|
break;
|
|
case 0x140 ... 0x14f: /* cmov Gv, Ev */
|
|
if (!(s->cpuid_features & CPUID_CMOV)) {
|
|
goto illegal_op;
|
|
}
|
|
ot = dflag;
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
gen_cmovcc1(env, s, ot, b, modrm, reg);
|
|
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 {
|
|
gen_update_cc_op(s);
|
|
gen_helper_read_eflags(cpu_T0, cpu_env);
|
|
gen_push_v(s, cpu_T0);
|
|
}
|
|
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 {
|
|
ot = gen_pop_T0(s);
|
|
if (s->cpl == 0) {
|
|
if (dflag != MO_16) {
|
|
gen_helper_write_eflags(cpu_env, cpu_T0,
|
|
tcg_const_i32((TF_MASK | AC_MASK |
|
|
ID_MASK | NT_MASK |
|
|
IF_MASK |
|
|
IOPL_MASK)));
|
|
} else {
|
|
gen_helper_write_eflags(cpu_env, cpu_T0,
|
|
tcg_const_i32((TF_MASK | AC_MASK |
|
|
ID_MASK | NT_MASK |
|
|
IF_MASK | IOPL_MASK)
|
|
& 0xffff));
|
|
}
|
|
} else {
|
|
if (s->cpl <= s->iopl) {
|
|
if (dflag != MO_16) {
|
|
gen_helper_write_eflags(cpu_env, cpu_T0,
|
|
tcg_const_i32((TF_MASK |
|
|
AC_MASK |
|
|
ID_MASK |
|
|
NT_MASK |
|
|
IF_MASK)));
|
|
} else {
|
|
gen_helper_write_eflags(cpu_env, cpu_T0,
|
|
tcg_const_i32((TF_MASK |
|
|
AC_MASK |
|
|
ID_MASK |
|
|
NT_MASK |
|
|
IF_MASK)
|
|
& 0xffff));
|
|
}
|
|
} else {
|
|
if (dflag != MO_16) {
|
|
gen_helper_write_eflags(cpu_env, cpu_T0,
|
|
tcg_const_i32((TF_MASK | AC_MASK |
|
|
ID_MASK | NT_MASK)));
|
|
} else {
|
|
gen_helper_write_eflags(cpu_env, cpu_T0,
|
|
tcg_const_i32((TF_MASK | AC_MASK |
|
|
ID_MASK | NT_MASK)
|
|
& 0xffff));
|
|
}
|
|
}
|
|
}
|
|
gen_pop_update(s, ot);
|
|
set_cc_op(s, CC_OP_EFLAGS);
|
|
/* abort translation because TF/AC 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_v_reg(MO_8, cpu_T0, R_AH);
|
|
gen_compute_eflags(s);
|
|
tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, CC_O);
|
|
tcg_gen_andi_tl(cpu_T0, cpu_T0, CC_S | CC_Z | CC_A | CC_P | CC_C);
|
|
tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, cpu_T0);
|
|
break;
|
|
case 0x9f: /* lahf */
|
|
if (CODE64(s) && !(s->cpuid_ext3_features & CPUID_EXT3_LAHF_LM))
|
|
goto illegal_op;
|
|
gen_compute_eflags(s);
|
|
/* Note: gen_compute_eflags() only gives the condition codes */
|
|
tcg_gen_ori_tl(cpu_T0, cpu_cc_src, 0x02);
|
|
gen_op_mov_reg_v(MO_8, R_AH, cpu_T0);
|
|
break;
|
|
case 0xf5: /* cmc */
|
|
gen_compute_eflags(s);
|
|
tcg_gen_xori_tl(cpu_cc_src, cpu_cc_src, CC_C);
|
|
break;
|
|
case 0xf8: /* clc */
|
|
gen_compute_eflags(s);
|
|
tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, ~CC_C);
|
|
break;
|
|
case 0xf9: /* stc */
|
|
gen_compute_eflags(s);
|
|
tcg_gen_ori_tl(cpu_cc_src, cpu_cc_src, CC_C);
|
|
break;
|
|
case 0xfc: /* cld */
|
|
tcg_gen_movi_i32(cpu_tmp2_i32, 1);
|
|
tcg_gen_st_i32(cpu_tmp2_i32, cpu_env, offsetof(CPUX86State, df));
|
|
break;
|
|
case 0xfd: /* std */
|
|
tcg_gen_movi_i32(cpu_tmp2_i32, -1);
|
|
tcg_gen_st_i32(cpu_tmp2_i32, cpu_env, offsetof(CPUX86State, df));
|
|
break;
|
|
|
|
/************************/
|
|
/* bit operations */
|
|
case 0x1ba: /* bt/bts/btr/btc Gv, im */
|
|
ot = dflag;
|
|
modrm = cpu_ldub_code(env, 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(env, s, modrm);
|
|
gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
|
|
} else {
|
|
gen_op_mov_v_reg(ot, cpu_T0, rm);
|
|
}
|
|
/* load shift */
|
|
val = cpu_ldub_code(env, s->pc++);
|
|
tcg_gen_movi_tl(cpu_T1, val);
|
|
if (op < 4)
|
|
goto unknown_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;
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
mod = (modrm >> 6) & 3;
|
|
rm = (modrm & 7) | REX_B(s);
|
|
gen_op_mov_v_reg(MO_32, cpu_T1, reg);
|
|
if (mod != 3) {
|
|
gen_lea_modrm(env, s, modrm);
|
|
/* specific case: we need to add a displacement */
|
|
gen_exts(ot, cpu_T1);
|
|
tcg_gen_sari_tl(cpu_tmp0, cpu_T1, 3 + ot);
|
|
tcg_gen_shli_tl(cpu_tmp0, cpu_tmp0, ot);
|
|
tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0);
|
|
gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
|
|
} else {
|
|
gen_op_mov_v_reg(ot, cpu_T0, rm);
|
|
}
|
|
bt_op:
|
|
tcg_gen_andi_tl(cpu_T1, cpu_T1, (1 << (3 + ot)) - 1);
|
|
tcg_gen_shr_tl(cpu_tmp4, cpu_T0, cpu_T1);
|
|
switch(op) {
|
|
case 0:
|
|
break;
|
|
case 1:
|
|
tcg_gen_movi_tl(cpu_tmp0, 1);
|
|
tcg_gen_shl_tl(cpu_tmp0, cpu_tmp0, cpu_T1);
|
|
tcg_gen_or_tl(cpu_T0, cpu_T0, cpu_tmp0);
|
|
break;
|
|
case 2:
|
|
tcg_gen_movi_tl(cpu_tmp0, 1);
|
|
tcg_gen_shl_tl(cpu_tmp0, cpu_tmp0, cpu_T1);
|
|
tcg_gen_andc_tl(cpu_T0, cpu_T0, cpu_tmp0);
|
|
break;
|
|
default:
|
|
case 3:
|
|
tcg_gen_movi_tl(cpu_tmp0, 1);
|
|
tcg_gen_shl_tl(cpu_tmp0, cpu_tmp0, cpu_T1);
|
|
tcg_gen_xor_tl(cpu_T0, cpu_T0, cpu_tmp0);
|
|
break;
|
|
}
|
|
if (op != 0) {
|
|
if (mod != 3) {
|
|
gen_op_st_v(s, ot, cpu_T0, cpu_A0);
|
|
} else {
|
|
gen_op_mov_reg_v(ot, rm, cpu_T0);
|
|
}
|
|
}
|
|
|
|
/* Delay all CC updates until after the store above. Note that
|
|
C is the result of the test, Z is unchanged, and the others
|
|
are all undefined. */
|
|
switch (s->cc_op) {
|
|
case CC_OP_MULB ... CC_OP_MULQ:
|
|
case CC_OP_ADDB ... CC_OP_ADDQ:
|
|
case CC_OP_ADCB ... CC_OP_ADCQ:
|
|
case CC_OP_SUBB ... CC_OP_SUBQ:
|
|
case CC_OP_SBBB ... CC_OP_SBBQ:
|
|
case CC_OP_LOGICB ... CC_OP_LOGICQ:
|
|
case CC_OP_INCB ... CC_OP_INCQ:
|
|
case CC_OP_DECB ... CC_OP_DECQ:
|
|
case CC_OP_SHLB ... CC_OP_SHLQ:
|
|
case CC_OP_SARB ... CC_OP_SARQ:
|
|
case CC_OP_BMILGB ... CC_OP_BMILGQ:
|
|
/* Z was going to be computed from the non-zero status of CC_DST.
|
|
We can get that same Z value (and the new C value) by leaving
|
|
CC_DST alone, setting CC_SRC, and using a CC_OP_SAR of the
|
|
same width. */
|
|
tcg_gen_mov_tl(cpu_cc_src, cpu_tmp4);
|
|
set_cc_op(s, ((s->cc_op - CC_OP_MULB) & 3) + CC_OP_SARB);
|
|
break;
|
|
default:
|
|
/* Otherwise, generate EFLAGS and replace the C bit. */
|
|
gen_compute_eflags(s);
|
|
tcg_gen_deposit_tl(cpu_cc_src, cpu_cc_src, cpu_tmp4,
|
|
ctz32(CC_C), 1);
|
|
break;
|
|
}
|
|
break;
|
|
case 0x1bc: /* bsf / tzcnt */
|
|
case 0x1bd: /* bsr / lzcnt */
|
|
ot = dflag;
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
|
|
gen_extu(ot, cpu_T0);
|
|
|
|
/* Note that lzcnt and tzcnt are in different extensions. */
|
|
if ((prefixes & PREFIX_REPZ)
|
|
&& (b & 1
|
|
? s->cpuid_ext3_features & CPUID_EXT3_ABM
|
|
: s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_BMI1)) {
|
|
int size = 8 << ot;
|
|
tcg_gen_mov_tl(cpu_cc_src, cpu_T0);
|
|
if (b & 1) {
|
|
/* For lzcnt, reduce the target_ulong result by the
|
|
number of zeros that we expect to find at the top. */
|
|
gen_helper_clz(cpu_T0, cpu_T0);
|
|
tcg_gen_subi_tl(cpu_T0, cpu_T0, TARGET_LONG_BITS - size);
|
|
} else {
|
|
/* For tzcnt, a zero input must return the operand size:
|
|
force all bits outside the operand size to 1. */
|
|
target_ulong mask = (target_ulong)-2 << (size - 1);
|
|
tcg_gen_ori_tl(cpu_T0, cpu_T0, mask);
|
|
gen_helper_ctz(cpu_T0, cpu_T0);
|
|
}
|
|
/* For lzcnt/tzcnt, C and Z bits are defined and are
|
|
related to the result. */
|
|
gen_op_update1_cc();
|
|
set_cc_op(s, CC_OP_BMILGB + ot);
|
|
} else {
|
|
/* For bsr/bsf, only the Z bit is defined and it is related
|
|
to the input and not the result. */
|
|
tcg_gen_mov_tl(cpu_cc_dst, cpu_T0);
|
|
set_cc_op(s, CC_OP_LOGICB + ot);
|
|
if (b & 1) {
|
|
/* For bsr, return the bit index of the first 1 bit,
|
|
not the count of leading zeros. */
|
|
gen_helper_clz(cpu_T0, cpu_T0);
|
|
tcg_gen_xori_tl(cpu_T0, cpu_T0, TARGET_LONG_BITS - 1);
|
|
} else {
|
|
gen_helper_ctz(cpu_T0, cpu_T0);
|
|
}
|
|
/* ??? The manual says that the output is undefined when the
|
|
input is zero, but real hardware leaves it unchanged, and
|
|
real programs appear to depend on that. */
|
|
tcg_gen_movi_tl(cpu_tmp0, 0);
|
|
tcg_gen_movcond_tl(TCG_COND_EQ, cpu_T0, cpu_cc_dst, cpu_tmp0,
|
|
cpu_regs[reg], cpu_T0);
|
|
}
|
|
gen_op_mov_reg_v(ot, reg, cpu_T0);
|
|
break;
|
|
/************************/
|
|
/* bcd */
|
|
case 0x27: /* daa */
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
gen_update_cc_op(s);
|
|
gen_helper_daa(cpu_env);
|
|
set_cc_op(s, CC_OP_EFLAGS);
|
|
break;
|
|
case 0x2f: /* das */
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
gen_update_cc_op(s);
|
|
gen_helper_das(cpu_env);
|
|
set_cc_op(s, CC_OP_EFLAGS);
|
|
break;
|
|
case 0x37: /* aaa */
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
gen_update_cc_op(s);
|
|
gen_helper_aaa(cpu_env);
|
|
set_cc_op(s, CC_OP_EFLAGS);
|
|
break;
|
|
case 0x3f: /* aas */
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
gen_update_cc_op(s);
|
|
gen_helper_aas(cpu_env);
|
|
set_cc_op(s, CC_OP_EFLAGS);
|
|
break;
|
|
case 0xd4: /* aam */
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
val = cpu_ldub_code(env, s->pc++);
|
|
if (val == 0) {
|
|
gen_exception(s, EXCP00_DIVZ, pc_start - s->cs_base);
|
|
} else {
|
|
gen_helper_aam(cpu_env, tcg_const_i32(val));
|
|
set_cc_op(s, CC_OP_LOGICB);
|
|
}
|
|
break;
|
|
case 0xd5: /* aad */
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
val = cpu_ldub_code(env, s->pc++);
|
|
gen_helper_aad(cpu_env, tcg_const_i32(val));
|
|
set_cc_op(s, CC_OP_LOGICB);
|
|
break;
|
|
/************************/
|
|
/* misc */
|
|
case 0x90: /* nop */
|
|
/* XXX: correct lock test for all insn */
|
|
if (prefixes & PREFIX_LOCK) {
|
|
goto illegal_op;
|
|
}
|
|
/* If REX_B is set, then this is xchg eax, r8d, not a nop. */
|
|
if (REX_B(s)) {
|
|
goto do_xchg_reg_eax;
|
|
}
|
|
if (prefixes & PREFIX_REPZ) {
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
gen_helper_pause(cpu_env, tcg_const_i32(s->pc - pc_start));
|
|
s->is_jmp = DISAS_TB_JUMP;
|
|
}
|
|
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 {
|
|
gen_helper_fwait(cpu_env);
|
|
}
|
|
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 = cpu_ldub_code(env, 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;
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
gen_helper_into(cpu_env, tcg_const_i32(s->pc - pc_start));
|
|
break;
|
|
#ifdef WANT_ICEBP
|
|
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(x86_env_get_cpu(env)));
|
|
qemu_set_log(CPU_LOG_INT | CPU_LOG_TB_IN_ASM);
|
|
#endif
|
|
break;
|
|
#endif
|
|
case 0xfa: /* cli */
|
|
if (!s->vm86) {
|
|
if (s->cpl <= s->iopl) {
|
|
gen_helper_cli(cpu_env);
|
|
} else {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
}
|
|
} else {
|
|
if (s->iopl == 3) {
|
|
gen_helper_cli(cpu_env);
|
|
} else {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
}
|
|
}
|
|
break;
|
|
case 0xfb: /* sti */
|
|
if (s->vm86 ? s->iopl == 3 : s->cpl <= s->iopl) {
|
|
gen_helper_sti(cpu_env);
|
|
/* interruptions are enabled only the first insn after sti */
|
|
gen_jmp_im(s->pc - s->cs_base);
|
|
gen_eob_inhibit_irq(s, true);
|
|
} else {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
}
|
|
break;
|
|
case 0x62: /* bound */
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
ot = dflag;
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
reg = (modrm >> 3) & 7;
|
|
mod = (modrm >> 6) & 3;
|
|
if (mod == 3)
|
|
goto illegal_op;
|
|
gen_op_mov_v_reg(ot, cpu_T0, reg);
|
|
gen_lea_modrm(env, s, modrm);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
|
|
if (ot == MO_16) {
|
|
gen_helper_boundw(cpu_env, cpu_A0, cpu_tmp2_i32);
|
|
} else {
|
|
gen_helper_boundl(cpu_env, cpu_A0, cpu_tmp2_i32);
|
|
}
|
|
break;
|
|
case 0x1c8 ... 0x1cf: /* bswap reg */
|
|
reg = (b & 7) | REX_B(s);
|
|
#ifdef TARGET_X86_64
|
|
if (dflag == MO_64) {
|
|
gen_op_mov_v_reg(MO_64, cpu_T0, reg);
|
|
tcg_gen_bswap64_i64(cpu_T0, cpu_T0);
|
|
gen_op_mov_reg_v(MO_64, reg, cpu_T0);
|
|
} else
|
|
#endif
|
|
{
|
|
gen_op_mov_v_reg(MO_32, cpu_T0, reg);
|
|
tcg_gen_ext32u_tl(cpu_T0, cpu_T0);
|
|
tcg_gen_bswap32_tl(cpu_T0, cpu_T0);
|
|
gen_op_mov_reg_v(MO_32, reg, cpu_T0);
|
|
}
|
|
break;
|
|
case 0xd6: /* salc */
|
|
if (CODE64(s))
|
|
goto illegal_op;
|
|
gen_compute_eflags_c(s, cpu_T0);
|
|
tcg_gen_neg_tl(cpu_T0, cpu_T0);
|
|
gen_op_mov_reg_v(MO_8, R_EAX, cpu_T0);
|
|
break;
|
|
case 0xe0: /* loopnz */
|
|
case 0xe1: /* loopz */
|
|
case 0xe2: /* loop */
|
|
case 0xe3: /* jecxz */
|
|
{
|
|
TCGLabel *l1, *l2, *l3;
|
|
|
|
tval = (int8_t)insn_get(env, s, MO_8);
|
|
next_eip = s->pc - s->cs_base;
|
|
tval += next_eip;
|
|
if (dflag == MO_16) {
|
|
tval &= 0xffff;
|
|
}
|
|
|
|
l1 = gen_new_label();
|
|
l2 = gen_new_label();
|
|
l3 = gen_new_label();
|
|
b &= 3;
|
|
switch(b) {
|
|
case 0: /* loopnz */
|
|
case 1: /* loopz */
|
|
gen_op_add_reg_im(s->aflag, R_ECX, -1);
|
|
gen_op_jz_ecx(s->aflag, l3);
|
|
gen_jcc1(s, (JCC_Z << 1) | (b ^ 1), 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 {
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
if (b & 2) {
|
|
gen_helper_rdmsr(cpu_env);
|
|
} else {
|
|
gen_helper_wrmsr(cpu_env);
|
|
}
|
|
}
|
|
break;
|
|
case 0x131: /* rdtsc */
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
if (s->tb->cflags & CF_USE_ICOUNT) {
|
|
gen_io_start();
|
|
}
|
|
gen_helper_rdtsc(cpu_env);
|
|
if (s->tb->cflags & CF_USE_ICOUNT) {
|
|
gen_io_end();
|
|
gen_jmp(s, s->pc - s->cs_base);
|
|
}
|
|
break;
|
|
case 0x133: /* rdpmc */
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
gen_helper_rdpmc(cpu_env);
|
|
break;
|
|
case 0x134: /* sysenter */
|
|
/* For Intel SYSENTER is valid on 64-bit */
|
|
if (CODE64(s) && env->cpuid_vendor1 != CPUID_VENDOR_INTEL_1)
|
|
goto illegal_op;
|
|
if (!s->pe) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
} else {
|
|
gen_helper_sysenter(cpu_env);
|
|
gen_eob(s);
|
|
}
|
|
break;
|
|
case 0x135: /* sysexit */
|
|
/* For Intel SYSEXIT is valid on 64-bit */
|
|
if (CODE64(s) && env->cpuid_vendor1 != CPUID_VENDOR_INTEL_1)
|
|
goto illegal_op;
|
|
if (!s->pe) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
} else {
|
|
gen_helper_sysexit(cpu_env, tcg_const_i32(dflag - 1));
|
|
gen_eob(s);
|
|
}
|
|
break;
|
|
#ifdef TARGET_X86_64
|
|
case 0x105: /* syscall */
|
|
/* XXX: is it usable in real mode ? */
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
gen_helper_syscall(cpu_env, 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 {
|
|
gen_helper_sysret(cpu_env, tcg_const_i32(dflag - 1));
|
|
/* condition codes are modified only in long mode */
|
|
if (s->lma) {
|
|
set_cc_op(s, CC_OP_EFLAGS);
|
|
}
|
|
gen_eob(s);
|
|
}
|
|
break;
|
|
#endif
|
|
case 0x1a2: /* cpuid */
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
gen_helper_cpuid(cpu_env);
|
|
break;
|
|
case 0xf4: /* hlt */
|
|
if (s->cpl != 0) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
} else {
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
gen_helper_hlt(cpu_env, tcg_const_i32(s->pc - pc_start));
|
|
s->is_jmp = DISAS_TB_JUMP;
|
|
}
|
|
break;
|
|
case 0x100:
|
|
modrm = cpu_ldub_code(env, 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_T0, cpu_env,
|
|
offsetof(CPUX86State, ldt.selector));
|
|
ot = mod == 3 ? dflag : MO_16;
|
|
gen_ldst_modrm(env, 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(env, s, modrm, MO_16, OR_TMP0, 0);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
|
|
gen_helper_lldt(cpu_env, 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_T0, cpu_env,
|
|
offsetof(CPUX86State, tr.selector));
|
|
ot = mod == 3 ? dflag : MO_16;
|
|
gen_ldst_modrm(env, 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(env, s, modrm, MO_16, OR_TMP0, 0);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
|
|
gen_helper_ltr(cpu_env, cpu_tmp2_i32);
|
|
}
|
|
break;
|
|
case 4: /* verr */
|
|
case 5: /* verw */
|
|
if (!s->pe || s->vm86)
|
|
goto illegal_op;
|
|
gen_ldst_modrm(env, s, modrm, MO_16, OR_TMP0, 0);
|
|
gen_update_cc_op(s);
|
|
if (op == 4) {
|
|
gen_helper_verr(cpu_env, cpu_T0);
|
|
} else {
|
|
gen_helper_verw(cpu_env, cpu_T0);
|
|
}
|
|
set_cc_op(s, CC_OP_EFLAGS);
|
|
break;
|
|
default:
|
|
goto unknown_op;
|
|
}
|
|
break;
|
|
|
|
case 0x101:
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
switch (modrm) {
|
|
CASE_MODRM_MEM_OP(0): /* sgdt */
|
|
gen_svm_check_intercept(s, pc_start, SVM_EXIT_GDTR_READ);
|
|
gen_lea_modrm(env, s, modrm);
|
|
tcg_gen_ld32u_tl(cpu_T0,
|
|
cpu_env, offsetof(CPUX86State, gdt.limit));
|
|
gen_op_st_v(s, MO_16, cpu_T0, cpu_A0);
|
|
gen_add_A0_im(s, 2);
|
|
tcg_gen_ld_tl(cpu_T0, cpu_env, offsetof(CPUX86State, gdt.base));
|
|
if (dflag == MO_16) {
|
|
tcg_gen_andi_tl(cpu_T0, cpu_T0, 0xffffff);
|
|
}
|
|
gen_op_st_v(s, CODE64(s) + MO_32, cpu_T0, cpu_A0);
|
|
break;
|
|
|
|
case 0xc8: /* monitor */
|
|
if (!(s->cpuid_ext_features & CPUID_EXT_MONITOR) || s->cpl != 0) {
|
|
goto illegal_op;
|
|
}
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
tcg_gen_mov_tl(cpu_A0, cpu_regs[R_EAX]);
|
|
gen_extu(s->aflag, cpu_A0);
|
|
gen_add_A0_ds_seg(s);
|
|
gen_helper_monitor(cpu_env, cpu_A0);
|
|
break;
|
|
|
|
case 0xc9: /* mwait */
|
|
if (!(s->cpuid_ext_features & CPUID_EXT_MONITOR) || s->cpl != 0) {
|
|
goto illegal_op;
|
|
}
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
gen_helper_mwait(cpu_env, tcg_const_i32(s->pc - pc_start));
|
|
gen_eob(s);
|
|
break;
|
|
|
|
case 0xca: /* clac */
|
|
if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_SMAP)
|
|
|| s->cpl != 0) {
|
|
goto illegal_op;
|
|
}
|
|
gen_helper_clac(cpu_env);
|
|
gen_jmp_im(s->pc - s->cs_base);
|
|
gen_eob(s);
|
|
break;
|
|
|
|
case 0xcb: /* stac */
|
|
if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_SMAP)
|
|
|| s->cpl != 0) {
|
|
goto illegal_op;
|
|
}
|
|
gen_helper_stac(cpu_env);
|
|
gen_jmp_im(s->pc - s->cs_base);
|
|
gen_eob(s);
|
|
break;
|
|
|
|
CASE_MODRM_MEM_OP(1): /* sidt */
|
|
gen_svm_check_intercept(s, pc_start, SVM_EXIT_IDTR_READ);
|
|
gen_lea_modrm(env, s, modrm);
|
|
tcg_gen_ld32u_tl(cpu_T0, cpu_env, offsetof(CPUX86State, idt.limit));
|
|
gen_op_st_v(s, MO_16, cpu_T0, cpu_A0);
|
|
gen_add_A0_im(s, 2);
|
|
tcg_gen_ld_tl(cpu_T0, cpu_env, offsetof(CPUX86State, idt.base));
|
|
if (dflag == MO_16) {
|
|
tcg_gen_andi_tl(cpu_T0, cpu_T0, 0xffffff);
|
|
}
|
|
gen_op_st_v(s, CODE64(s) + MO_32, cpu_T0, cpu_A0);
|
|
break;
|
|
|
|
case 0xd0: /* xgetbv */
|
|
if ((s->cpuid_ext_features & CPUID_EXT_XSAVE) == 0
|
|
|| (s->prefix & (PREFIX_LOCK | PREFIX_DATA
|
|
| PREFIX_REPZ | PREFIX_REPNZ))) {
|
|
goto illegal_op;
|
|
}
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_regs[R_ECX]);
|
|
gen_helper_xgetbv(cpu_tmp1_i64, cpu_env, cpu_tmp2_i32);
|
|
tcg_gen_extr_i64_tl(cpu_regs[R_EAX], cpu_regs[R_EDX], cpu_tmp1_i64);
|
|
break;
|
|
|
|
case 0xd1: /* xsetbv */
|
|
if ((s->cpuid_ext_features & CPUID_EXT_XSAVE) == 0
|
|
|| (s->prefix & (PREFIX_LOCK | PREFIX_DATA
|
|
| PREFIX_REPZ | PREFIX_REPNZ))) {
|
|
goto illegal_op;
|
|
}
|
|
if (s->cpl != 0) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
break;
|
|
}
|
|
tcg_gen_concat_tl_i64(cpu_tmp1_i64, cpu_regs[R_EAX],
|
|
cpu_regs[R_EDX]);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_regs[R_ECX]);
|
|
gen_helper_xsetbv(cpu_env, cpu_tmp2_i32, cpu_tmp1_i64);
|
|
/* End TB because translation flags may change. */
|
|
gen_jmp_im(s->pc - s->cs_base);
|
|
gen_eob(s);
|
|
break;
|
|
|
|
case 0xd8: /* 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;
|
|
}
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
gen_helper_vmrun(cpu_env, tcg_const_i32(s->aflag - 1),
|
|
tcg_const_i32(s->pc - pc_start));
|
|
tcg_gen_exit_tb(0);
|
|
s->is_jmp = DISAS_TB_JUMP;
|
|
break;
|
|
|
|
case 0xd9: /* VMMCALL */
|
|
if (!(s->flags & HF_SVME_MASK)) {
|
|
goto illegal_op;
|
|
}
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
gen_helper_vmmcall(cpu_env);
|
|
break;
|
|
|
|
case 0xda: /* 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;
|
|
}
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
gen_helper_vmload(cpu_env, tcg_const_i32(s->aflag - 1));
|
|
break;
|
|
|
|
case 0xdb: /* 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;
|
|
}
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
gen_helper_vmsave(cpu_env, tcg_const_i32(s->aflag - 1));
|
|
break;
|
|
|
|
case 0xdc: /* 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;
|
|
}
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
gen_helper_stgi(cpu_env);
|
|
break;
|
|
|
|
case 0xdd: /* 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;
|
|
}
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
gen_helper_clgi(cpu_env);
|
|
break;
|
|
|
|
case 0xde: /* SKINIT */
|
|
if ((!(s->flags & HF_SVME_MASK)
|
|
&& !(s->cpuid_ext3_features & CPUID_EXT3_SKINIT))
|
|
|| !s->pe) {
|
|
goto illegal_op;
|
|
}
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
gen_helper_skinit(cpu_env);
|
|
break;
|
|
|
|
case 0xdf: /* 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;
|
|
}
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
gen_helper_invlpga(cpu_env, tcg_const_i32(s->aflag - 1));
|
|
break;
|
|
|
|
CASE_MODRM_MEM_OP(2): /* lgdt */
|
|
if (s->cpl != 0) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
break;
|
|
}
|
|
gen_svm_check_intercept(s, pc_start, SVM_EXIT_GDTR_WRITE);
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_op_ld_v(s, MO_16, cpu_T1, cpu_A0);
|
|
gen_add_A0_im(s, 2);
|
|
gen_op_ld_v(s, CODE64(s) + MO_32, cpu_T0, cpu_A0);
|
|
if (dflag == MO_16) {
|
|
tcg_gen_andi_tl(cpu_T0, cpu_T0, 0xffffff);
|
|
}
|
|
tcg_gen_st_tl(cpu_T0, cpu_env, offsetof(CPUX86State, gdt.base));
|
|
tcg_gen_st32_tl(cpu_T1, cpu_env, offsetof(CPUX86State, gdt.limit));
|
|
break;
|
|
|
|
CASE_MODRM_MEM_OP(3): /* lidt */
|
|
if (s->cpl != 0) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
break;
|
|
}
|
|
gen_svm_check_intercept(s, pc_start, SVM_EXIT_IDTR_WRITE);
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_op_ld_v(s, MO_16, cpu_T1, cpu_A0);
|
|
gen_add_A0_im(s, 2);
|
|
gen_op_ld_v(s, CODE64(s) + MO_32, cpu_T0, cpu_A0);
|
|
if (dflag == MO_16) {
|
|
tcg_gen_andi_tl(cpu_T0, cpu_T0, 0xffffff);
|
|
}
|
|
tcg_gen_st_tl(cpu_T0, cpu_env, offsetof(CPUX86State, idt.base));
|
|
tcg_gen_st32_tl(cpu_T1, cpu_env, offsetof(CPUX86State, idt.limit));
|
|
break;
|
|
|
|
CASE_MODRM_OP(4): /* smsw */
|
|
gen_svm_check_intercept(s, pc_start, SVM_EXIT_READ_CR0);
|
|
tcg_gen_ld_tl(cpu_T0, cpu_env, offsetof(CPUX86State, cr[0]));
|
|
if (CODE64(s)) {
|
|
mod = (modrm >> 6) & 3;
|
|
ot = (mod != 3 ? MO_16 : s->dflag);
|
|
} else {
|
|
ot = MO_16;
|
|
}
|
|
gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 1);
|
|
break;
|
|
case 0xee: /* rdpkru */
|
|
if (prefixes & PREFIX_LOCK) {
|
|
goto illegal_op;
|
|
}
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_regs[R_ECX]);
|
|
gen_helper_rdpkru(cpu_tmp1_i64, cpu_env, cpu_tmp2_i32);
|
|
tcg_gen_extr_i64_tl(cpu_regs[R_EAX], cpu_regs[R_EDX], cpu_tmp1_i64);
|
|
break;
|
|
case 0xef: /* wrpkru */
|
|
if (prefixes & PREFIX_LOCK) {
|
|
goto illegal_op;
|
|
}
|
|
tcg_gen_concat_tl_i64(cpu_tmp1_i64, cpu_regs[R_EAX],
|
|
cpu_regs[R_EDX]);
|
|
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_regs[R_ECX]);
|
|
gen_helper_wrpkru(cpu_env, cpu_tmp2_i32, cpu_tmp1_i64);
|
|
break;
|
|
CASE_MODRM_OP(6): /* lmsw */
|
|
if (s->cpl != 0) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
break;
|
|
}
|
|
gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0);
|
|
gen_ldst_modrm(env, s, modrm, MO_16, OR_TMP0, 0);
|
|
gen_helper_lmsw(cpu_env, cpu_T0);
|
|
gen_jmp_im(s->pc - s->cs_base);
|
|
gen_eob(s);
|
|
break;
|
|
|
|
CASE_MODRM_MEM_OP(7): /* invlpg */
|
|
if (s->cpl != 0) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
break;
|
|
}
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_helper_invlpg(cpu_env, cpu_A0);
|
|
gen_jmp_im(s->pc - s->cs_base);
|
|
gen_eob(s);
|
|
break;
|
|
|
|
case 0xf8: /* swapgs */
|
|
#ifdef TARGET_X86_64
|
|
if (CODE64(s)) {
|
|
if (s->cpl != 0) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
} else {
|
|
tcg_gen_mov_tl(cpu_T0, cpu_seg_base[R_GS]);
|
|
tcg_gen_ld_tl(cpu_seg_base[R_GS], cpu_env,
|
|
offsetof(CPUX86State, kernelgsbase));
|
|
tcg_gen_st_tl(cpu_T0, cpu_env,
|
|
offsetof(CPUX86State, kernelgsbase));
|
|
}
|
|
break;
|
|
}
|
|
#endif
|
|
goto illegal_op;
|
|
|
|
case 0xf9: /* rdtscp */
|
|
if (!(s->cpuid_ext2_features & CPUID_EXT2_RDTSCP)) {
|
|
goto illegal_op;
|
|
}
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
if (s->tb->cflags & CF_USE_ICOUNT) {
|
|
gen_io_start();
|
|
}
|
|
gen_helper_rdtscp(cpu_env);
|
|
if (s->tb->cflags & CF_USE_ICOUNT) {
|
|
gen_io_end();
|
|
gen_jmp(s, s->pc - s->cs_base);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
goto unknown_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;
|
|
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
mod = (modrm >> 6) & 3;
|
|
rm = (modrm & 7) | REX_B(s);
|
|
|
|
if (mod == 3) {
|
|
gen_op_mov_v_reg(MO_32, cpu_T0, rm);
|
|
/* sign extend */
|
|
if (d_ot == MO_64) {
|
|
tcg_gen_ext32s_tl(cpu_T0, cpu_T0);
|
|
}
|
|
gen_op_mov_reg_v(d_ot, reg, cpu_T0);
|
|
} else {
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_op_ld_v(s, MO_32 | MO_SIGN, cpu_T0, cpu_A0);
|
|
gen_op_mov_reg_v(d_ot, reg, cpu_T0);
|
|
}
|
|
} else
|
|
#endif
|
|
{
|
|
TCGLabel *label1;
|
|
TCGv t0, t1, t2, a0;
|
|
|
|
if (!s->pe || s->vm86)
|
|
goto illegal_op;
|
|
t0 = tcg_temp_local_new();
|
|
t1 = tcg_temp_local_new();
|
|
t2 = tcg_temp_local_new();
|
|
ot = MO_16;
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
reg = (modrm >> 3) & 7;
|
|
mod = (modrm >> 6) & 3;
|
|
rm = modrm & 7;
|
|
if (mod != 3) {
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_op_ld_v(s, ot, t0, cpu_A0);
|
|
a0 = tcg_temp_local_new();
|
|
tcg_gen_mov_tl(a0, cpu_A0);
|
|
} else {
|
|
gen_op_mov_v_reg(ot, t0, rm);
|
|
TCGV_UNUSED(a0);
|
|
}
|
|
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(s, ot, t0, a0);
|
|
tcg_temp_free(a0);
|
|
} else {
|
|
gen_op_mov_reg_v(ot, rm, t0);
|
|
}
|
|
gen_compute_eflags(s);
|
|
tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, ~CC_Z);
|
|
tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, t2);
|
|
tcg_temp_free(t0);
|
|
tcg_temp_free(t1);
|
|
tcg_temp_free(t2);
|
|
}
|
|
break;
|
|
case 0x102: /* lar */
|
|
case 0x103: /* lsl */
|
|
{
|
|
TCGLabel *label1;
|
|
TCGv t0;
|
|
if (!s->pe || s->vm86)
|
|
goto illegal_op;
|
|
ot = dflag != MO_16 ? MO_32 : MO_16;
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
gen_ldst_modrm(env, s, modrm, MO_16, OR_TMP0, 0);
|
|
t0 = tcg_temp_local_new();
|
|
gen_update_cc_op(s);
|
|
if (b == 0x102) {
|
|
gen_helper_lar(t0, cpu_env, cpu_T0);
|
|
} else {
|
|
gen_helper_lsl(t0, cpu_env, cpu_T0);
|
|
}
|
|
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);
|
|
set_cc_op(s, CC_OP_EFLAGS);
|
|
tcg_temp_free(t0);
|
|
}
|
|
break;
|
|
case 0x118:
|
|
modrm = cpu_ldub_code(env, 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_nop_modrm(env, s, modrm);
|
|
/* nothing more to do */
|
|
break;
|
|
default: /* nop (multi byte) */
|
|
gen_nop_modrm(env, s, modrm);
|
|
break;
|
|
}
|
|
break;
|
|
case 0x11a:
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
if (s->flags & HF_MPX_EN_MASK) {
|
|
mod = (modrm >> 6) & 3;
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
if (prefixes & PREFIX_REPZ) {
|
|
/* bndcl */
|
|
if (reg >= 4
|
|
|| (prefixes & PREFIX_LOCK)
|
|
|| s->aflag == MO_16) {
|
|
goto illegal_op;
|
|
}
|
|
gen_bndck(env, s, modrm, TCG_COND_LTU, cpu_bndl[reg]);
|
|
} else if (prefixes & PREFIX_REPNZ) {
|
|
/* bndcu */
|
|
if (reg >= 4
|
|
|| (prefixes & PREFIX_LOCK)
|
|
|| s->aflag == MO_16) {
|
|
goto illegal_op;
|
|
}
|
|
TCGv_i64 notu = tcg_temp_new_i64();
|
|
tcg_gen_not_i64(notu, cpu_bndu[reg]);
|
|
gen_bndck(env, s, modrm, TCG_COND_GTU, notu);
|
|
tcg_temp_free_i64(notu);
|
|
} else if (prefixes & PREFIX_DATA) {
|
|
/* bndmov -- from reg/mem */
|
|
if (reg >= 4 || s->aflag == MO_16) {
|
|
goto illegal_op;
|
|
}
|
|
if (mod == 3) {
|
|
int reg2 = (modrm & 7) | REX_B(s);
|
|
if (reg2 >= 4 || (prefixes & PREFIX_LOCK)) {
|
|
goto illegal_op;
|
|
}
|
|
if (s->flags & HF_MPX_IU_MASK) {
|
|
tcg_gen_mov_i64(cpu_bndl[reg], cpu_bndl[reg2]);
|
|
tcg_gen_mov_i64(cpu_bndu[reg], cpu_bndu[reg2]);
|
|
}
|
|
} else {
|
|
gen_lea_modrm(env, s, modrm);
|
|
if (CODE64(s)) {
|
|
tcg_gen_qemu_ld_i64(cpu_bndl[reg], cpu_A0,
|
|
s->mem_index, MO_LEQ);
|
|
tcg_gen_addi_tl(cpu_A0, cpu_A0, 8);
|
|
tcg_gen_qemu_ld_i64(cpu_bndu[reg], cpu_A0,
|
|
s->mem_index, MO_LEQ);
|
|
} else {
|
|
tcg_gen_qemu_ld_i64(cpu_bndl[reg], cpu_A0,
|
|
s->mem_index, MO_LEUL);
|
|
tcg_gen_addi_tl(cpu_A0, cpu_A0, 4);
|
|
tcg_gen_qemu_ld_i64(cpu_bndu[reg], cpu_A0,
|
|
s->mem_index, MO_LEUL);
|
|
}
|
|
/* bnd registers are now in-use */
|
|
gen_set_hflag(s, HF_MPX_IU_MASK);
|
|
}
|
|
} else if (mod != 3) {
|
|
/* bndldx */
|
|
AddressParts a = gen_lea_modrm_0(env, s, modrm);
|
|
if (reg >= 4
|
|
|| (prefixes & PREFIX_LOCK)
|
|
|| s->aflag == MO_16
|
|
|| a.base < -1) {
|
|
goto illegal_op;
|
|
}
|
|
if (a.base >= 0) {
|
|
tcg_gen_addi_tl(cpu_A0, cpu_regs[a.base], a.disp);
|
|
} else {
|
|
tcg_gen_movi_tl(cpu_A0, 0);
|
|
}
|
|
gen_lea_v_seg(s, s->aflag, cpu_A0, a.def_seg, s->override);
|
|
if (a.index >= 0) {
|
|
tcg_gen_mov_tl(cpu_T0, cpu_regs[a.index]);
|
|
} else {
|
|
tcg_gen_movi_tl(cpu_T0, 0);
|
|
}
|
|
if (CODE64(s)) {
|
|
gen_helper_bndldx64(cpu_bndl[reg], cpu_env, cpu_A0, cpu_T0);
|
|
tcg_gen_ld_i64(cpu_bndu[reg], cpu_env,
|
|
offsetof(CPUX86State, mmx_t0.MMX_Q(0)));
|
|
} else {
|
|
gen_helper_bndldx32(cpu_bndu[reg], cpu_env, cpu_A0, cpu_T0);
|
|
tcg_gen_ext32u_i64(cpu_bndl[reg], cpu_bndu[reg]);
|
|
tcg_gen_shri_i64(cpu_bndu[reg], cpu_bndu[reg], 32);
|
|
}
|
|
gen_set_hflag(s, HF_MPX_IU_MASK);
|
|
}
|
|
}
|
|
gen_nop_modrm(env, s, modrm);
|
|
break;
|
|
case 0x11b:
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
if (s->flags & HF_MPX_EN_MASK) {
|
|
mod = (modrm >> 6) & 3;
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
if (mod != 3 && (prefixes & PREFIX_REPZ)) {
|
|
/* bndmk */
|
|
if (reg >= 4
|
|
|| (prefixes & PREFIX_LOCK)
|
|
|| s->aflag == MO_16) {
|
|
goto illegal_op;
|
|
}
|
|
AddressParts a = gen_lea_modrm_0(env, s, modrm);
|
|
if (a.base >= 0) {
|
|
tcg_gen_extu_tl_i64(cpu_bndl[reg], cpu_regs[a.base]);
|
|
if (!CODE64(s)) {
|
|
tcg_gen_ext32u_i64(cpu_bndl[reg], cpu_bndl[reg]);
|
|
}
|
|
} else if (a.base == -1) {
|
|
/* no base register has lower bound of 0 */
|
|
tcg_gen_movi_i64(cpu_bndl[reg], 0);
|
|
} else {
|
|
/* rip-relative generates #ud */
|
|
goto illegal_op;
|
|
}
|
|
tcg_gen_not_tl(cpu_A0, gen_lea_modrm_1(a));
|
|
if (!CODE64(s)) {
|
|
tcg_gen_ext32u_tl(cpu_A0, cpu_A0);
|
|
}
|
|
tcg_gen_extu_tl_i64(cpu_bndu[reg], cpu_A0);
|
|
/* bnd registers are now in-use */
|
|
gen_set_hflag(s, HF_MPX_IU_MASK);
|
|
break;
|
|
} else if (prefixes & PREFIX_REPNZ) {
|
|
/* bndcn */
|
|
if (reg >= 4
|
|
|| (prefixes & PREFIX_LOCK)
|
|
|| s->aflag == MO_16) {
|
|
goto illegal_op;
|
|
}
|
|
gen_bndck(env, s, modrm, TCG_COND_GTU, cpu_bndu[reg]);
|
|
} else if (prefixes & PREFIX_DATA) {
|
|
/* bndmov -- to reg/mem */
|
|
if (reg >= 4 || s->aflag == MO_16) {
|
|
goto illegal_op;
|
|
}
|
|
if (mod == 3) {
|
|
int reg2 = (modrm & 7) | REX_B(s);
|
|
if (reg2 >= 4 || (prefixes & PREFIX_LOCK)) {
|
|
goto illegal_op;
|
|
}
|
|
if (s->flags & HF_MPX_IU_MASK) {
|
|
tcg_gen_mov_i64(cpu_bndl[reg2], cpu_bndl[reg]);
|
|
tcg_gen_mov_i64(cpu_bndu[reg2], cpu_bndu[reg]);
|
|
}
|
|
} else {
|
|
gen_lea_modrm(env, s, modrm);
|
|
if (CODE64(s)) {
|
|
tcg_gen_qemu_st_i64(cpu_bndl[reg], cpu_A0,
|
|
s->mem_index, MO_LEQ);
|
|
tcg_gen_addi_tl(cpu_A0, cpu_A0, 8);
|
|
tcg_gen_qemu_st_i64(cpu_bndu[reg], cpu_A0,
|
|
s->mem_index, MO_LEQ);
|
|
} else {
|
|
tcg_gen_qemu_st_i64(cpu_bndl[reg], cpu_A0,
|
|
s->mem_index, MO_LEUL);
|
|
tcg_gen_addi_tl(cpu_A0, cpu_A0, 4);
|
|
tcg_gen_qemu_st_i64(cpu_bndu[reg], cpu_A0,
|
|
s->mem_index, MO_LEUL);
|
|
}
|
|
}
|
|
} else if (mod != 3) {
|
|
/* bndstx */
|
|
AddressParts a = gen_lea_modrm_0(env, s, modrm);
|
|
if (reg >= 4
|
|
|| (prefixes & PREFIX_LOCK)
|
|
|| s->aflag == MO_16
|
|
|| a.base < -1) {
|
|
goto illegal_op;
|
|
}
|
|
if (a.base >= 0) {
|
|
tcg_gen_addi_tl(cpu_A0, cpu_regs[a.base], a.disp);
|
|
} else {
|
|
tcg_gen_movi_tl(cpu_A0, 0);
|
|
}
|
|
gen_lea_v_seg(s, s->aflag, cpu_A0, a.def_seg, s->override);
|
|
if (a.index >= 0) {
|
|
tcg_gen_mov_tl(cpu_T0, cpu_regs[a.index]);
|
|
} else {
|
|
tcg_gen_movi_tl(cpu_T0, 0);
|
|
}
|
|
if (CODE64(s)) {
|
|
gen_helper_bndstx64(cpu_env, cpu_A0, cpu_T0,
|
|
cpu_bndl[reg], cpu_bndu[reg]);
|
|
} else {
|
|
gen_helper_bndstx32(cpu_env, cpu_A0, cpu_T0,
|
|
cpu_bndl[reg], cpu_bndu[reg]);
|
|
}
|
|
}
|
|
}
|
|
gen_nop_modrm(env, s, modrm);
|
|
break;
|
|
case 0x119: case 0x11c ... 0x11f: /* nop (multi byte) */
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
gen_nop_modrm(env, 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 = cpu_ldub_code(env, s->pc++);
|
|
/* Ignore the mod bits (assume (modrm&0xc0)==0xc0).
|
|
* AMD documentation (24594.pdf) and testing of
|
|
* intel 386 and 486 processors all show that the mod bits
|
|
* are assumed to be 1's, regardless of actual values.
|
|
*/
|
|
rm = (modrm & 7) | REX_B(s);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
if (CODE64(s))
|
|
ot = MO_64;
|
|
else
|
|
ot = MO_32;
|
|
if ((prefixes & PREFIX_LOCK) && (reg == 0) &&
|
|
(s->cpuid_ext3_features & CPUID_EXT3_CR8LEG)) {
|
|
reg = 8;
|
|
}
|
|
switch(reg) {
|
|
case 0:
|
|
case 2:
|
|
case 3:
|
|
case 4:
|
|
case 8:
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(pc_start - s->cs_base);
|
|
if (b & 2) {
|
|
gen_op_mov_v_reg(ot, cpu_T0, rm);
|
|
gen_helper_write_crN(cpu_env, tcg_const_i32(reg),
|
|
cpu_T0);
|
|
gen_jmp_im(s->pc - s->cs_base);
|
|
gen_eob(s);
|
|
} else {
|
|
gen_helper_read_crN(cpu_T0, cpu_env, tcg_const_i32(reg));
|
|
gen_op_mov_reg_v(ot, rm, cpu_T0);
|
|
}
|
|
break;
|
|
default:
|
|
goto unknown_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 = cpu_ldub_code(env, s->pc++);
|
|
/* Ignore the mod bits (assume (modrm&0xc0)==0xc0).
|
|
* AMD documentation (24594.pdf) and testing of
|
|
* intel 386 and 486 processors all show that the mod bits
|
|
* are assumed to be 1's, regardless of actual values.
|
|
*/
|
|
rm = (modrm & 7) | REX_B(s);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
if (CODE64(s))
|
|
ot = MO_64;
|
|
else
|
|
ot = MO_32;
|
|
if (reg >= 8) {
|
|
goto illegal_op;
|
|
}
|
|
if (b & 2) {
|
|
gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_DR0 + reg);
|
|
gen_op_mov_v_reg(ot, cpu_T0, rm);
|
|
tcg_gen_movi_i32(cpu_tmp2_i32, reg);
|
|
gen_helper_set_dr(cpu_env, cpu_tmp2_i32, cpu_T0);
|
|
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_movi_i32(cpu_tmp2_i32, reg);
|
|
gen_helper_get_dr(cpu_T0, cpu_env, cpu_tmp2_i32);
|
|
gen_op_mov_reg_v(ot, rm, cpu_T0);
|
|
}
|
|
}
|
|
break;
|
|
case 0x106: /* clts */
|
|
if (s->cpl != 0) {
|
|
gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
|
|
} else {
|
|
gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0);
|
|
gen_helper_clts(cpu_env);
|
|
/* 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/SSE4 support */
|
|
case 0x1c3: /* MOVNTI reg, mem */
|
|
if (!(s->cpuid_features & CPUID_SSE2))
|
|
goto illegal_op;
|
|
ot = mo_64_32(dflag);
|
|
modrm = cpu_ldub_code(env, 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(env, s, modrm, ot, reg, 1);
|
|
break;
|
|
case 0x1ae:
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
switch (modrm) {
|
|
CASE_MODRM_MEM_OP(0): /* fxsave */
|
|
if (!(s->cpuid_features & CPUID_FXSR)
|
|
|| (prefixes & PREFIX_LOCK)) {
|
|
goto illegal_op;
|
|
}
|
|
if ((s->flags & HF_EM_MASK) || (s->flags & HF_TS_MASK)) {
|
|
gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
|
|
break;
|
|
}
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_helper_fxsave(cpu_env, cpu_A0);
|
|
break;
|
|
|
|
CASE_MODRM_MEM_OP(1): /* fxrstor */
|
|
if (!(s->cpuid_features & CPUID_FXSR)
|
|
|| (prefixes & PREFIX_LOCK)) {
|
|
goto illegal_op;
|
|
}
|
|
if ((s->flags & HF_EM_MASK) || (s->flags & HF_TS_MASK)) {
|
|
gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
|
|
break;
|
|
}
|
|
gen_lea_modrm(env, s, modrm);
|
|
gen_helper_fxrstor(cpu_env, cpu_A0);
|
|
break;
|
|
|
|
CASE_MODRM_MEM_OP(2): /* ldmxcsr */
|
|
if ((s->flags & HF_EM_MASK) || !(s->flags & HF_OSFXSR_MASK)) {
|
|
goto illegal_op;
|
|
}
|
|
if (s->flags & HF_TS_MASK) {
|
|
gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
|
|
break;
|
|
}
|
|
gen_lea_modrm(env, s, modrm);
|
|
tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0, s->mem_index, MO_LEUL);
|
|
gen_helper_ldmxcsr(cpu_env, cpu_tmp2_i32);
|
|
break;
|
|
|
|
CASE_MODRM_MEM_OP(3): /* stmxcsr */
|
|
if ((s->flags & HF_EM_MASK) || !(s->flags & HF_OSFXSR_MASK)) {
|
|
goto illegal_op;
|
|
}
|
|
if (s->flags & HF_TS_MASK) {
|
|
gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
|
|
break;
|
|
}
|
|
gen_lea_modrm(env, s, modrm);
|
|
tcg_gen_ld32u_tl(cpu_T0, cpu_env, offsetof(CPUX86State, mxcsr));
|
|
gen_op_st_v(s, MO_32, cpu_T0, cpu_A0);
|
|
break;
|
|
|
|
CASE_MODRM_MEM_OP(4): /* xsave */
|
|
if ((s->cpuid_ext_features & CPUID_EXT_XSAVE) == 0
|
|
|| (prefixes & (PREFIX_LOCK | PREFIX_DATA
|
|
| PREFIX_REPZ | PREFIX_REPNZ))) {
|
|
goto illegal_op;
|
|
}
|
|
gen_lea_modrm(env, s, modrm);
|
|
tcg_gen_concat_tl_i64(cpu_tmp1_i64, cpu_regs[R_EAX],
|
|
cpu_regs[R_EDX]);
|
|
gen_helper_xsave(cpu_env, cpu_A0, cpu_tmp1_i64);
|
|
break;
|
|
|
|
CASE_MODRM_MEM_OP(5): /* xrstor */
|
|
if ((s->cpuid_ext_features & CPUID_EXT_XSAVE) == 0
|
|
|| (prefixes & (PREFIX_LOCK | PREFIX_DATA
|
|
| PREFIX_REPZ | PREFIX_REPNZ))) {
|
|
goto illegal_op;
|
|
}
|
|
gen_lea_modrm(env, s, modrm);
|
|
tcg_gen_concat_tl_i64(cpu_tmp1_i64, cpu_regs[R_EAX],
|
|
cpu_regs[R_EDX]);
|
|
gen_helper_xrstor(cpu_env, cpu_A0, cpu_tmp1_i64);
|
|
/* XRSTOR is how MPX is enabled, which changes how
|
|
we translate. Thus we need to end the TB. */
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(s->pc - s->cs_base);
|
|
gen_eob(s);
|
|
break;
|
|
|
|
CASE_MODRM_MEM_OP(6): /* xsaveopt / clwb */
|
|
if (prefixes & PREFIX_LOCK) {
|
|
goto illegal_op;
|
|
}
|
|
if (prefixes & PREFIX_DATA) {
|
|
/* clwb */
|
|
if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_CLWB)) {
|
|
goto illegal_op;
|
|
}
|
|
gen_nop_modrm(env, s, modrm);
|
|
} else {
|
|
/* xsaveopt */
|
|
if ((s->cpuid_ext_features & CPUID_EXT_XSAVE) == 0
|
|
|| (s->cpuid_xsave_features & CPUID_XSAVE_XSAVEOPT) == 0
|
|
|| (prefixes & (PREFIX_REPZ | PREFIX_REPNZ))) {
|
|
goto illegal_op;
|
|
}
|
|
gen_lea_modrm(env, s, modrm);
|
|
tcg_gen_concat_tl_i64(cpu_tmp1_i64, cpu_regs[R_EAX],
|
|
cpu_regs[R_EDX]);
|
|
gen_helper_xsaveopt(cpu_env, cpu_A0, cpu_tmp1_i64);
|
|
}
|
|
break;
|
|
|
|
CASE_MODRM_MEM_OP(7): /* clflush / clflushopt */
|
|
if (prefixes & PREFIX_LOCK) {
|
|
goto illegal_op;
|
|
}
|
|
if (prefixes & PREFIX_DATA) {
|
|
/* clflushopt */
|
|
if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_CLFLUSHOPT)) {
|
|
goto illegal_op;
|
|
}
|
|
} else {
|
|
/* clflush */
|
|
if ((s->prefix & (PREFIX_REPZ | PREFIX_REPNZ))
|
|
|| !(s->cpuid_features & CPUID_CLFLUSH)) {
|
|
goto illegal_op;
|
|
}
|
|
}
|
|
gen_nop_modrm(env, s, modrm);
|
|
break;
|
|
|
|
case 0xc0 ... 0xc7: /* rdfsbase (f3 0f ae /0) */
|
|
case 0xc8 ... 0xc8: /* rdgsbase (f3 0f ae /1) */
|
|
case 0xd0 ... 0xd7: /* wrfsbase (f3 0f ae /2) */
|
|
case 0xd8 ... 0xd8: /* wrgsbase (f3 0f ae /3) */
|
|
if (CODE64(s)
|
|
&& (prefixes & PREFIX_REPZ)
|
|
&& !(prefixes & PREFIX_LOCK)
|
|
&& (s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_FSGSBASE)) {
|
|
TCGv base, treg, src, dst;
|
|
|
|
/* Preserve hflags bits by testing CR4 at runtime. */
|
|
tcg_gen_movi_i32(cpu_tmp2_i32, CR4_FSGSBASE_MASK);
|
|
gen_helper_cr4_testbit(cpu_env, cpu_tmp2_i32);
|
|
|
|
base = cpu_seg_base[modrm & 8 ? R_GS : R_FS];
|
|
treg = cpu_regs[(modrm & 7) | REX_B(s)];
|
|
|
|
if (modrm & 0x10) {
|
|
/* wr*base */
|
|
dst = base, src = treg;
|
|
} else {
|
|
/* rd*base */
|
|
dst = treg, src = base;
|
|
}
|
|
|
|
if (s->dflag == MO_32) {
|
|
tcg_gen_ext32u_tl(dst, src);
|
|
} else {
|
|
tcg_gen_mov_tl(dst, src);
|
|
}
|
|
break;
|
|
}
|
|
goto unknown_op;
|
|
|
|
case 0xf8: /* sfence / pcommit */
|
|
if (prefixes & PREFIX_DATA) {
|
|
/* pcommit */
|
|
if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_PCOMMIT)
|
|
|| (prefixes & PREFIX_LOCK)) {
|
|
goto illegal_op;
|
|
}
|
|
break;
|
|
}
|
|
/* fallthru */
|
|
case 0xf9 ... 0xff: /* sfence */
|
|
if (!(s->cpuid_features & CPUID_SSE)
|
|
|| (prefixes & PREFIX_LOCK)) {
|
|
goto illegal_op;
|
|
}
|
|
tcg_gen_mb(TCG_MO_ST_ST | TCG_BAR_SC);
|
|
break;
|
|
case 0xe8 ... 0xef: /* lfence */
|
|
if (!(s->cpuid_features & CPUID_SSE)
|
|
|| (prefixes & PREFIX_LOCK)) {
|
|
goto illegal_op;
|
|
}
|
|
tcg_gen_mb(TCG_MO_LD_LD | TCG_BAR_SC);
|
|
break;
|
|
case 0xf0 ... 0xf7: /* mfence */
|
|
if (!(s->cpuid_features & CPUID_SSE2)
|
|
|| (prefixes & PREFIX_LOCK)) {
|
|
goto illegal_op;
|
|
}
|
|
tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC);
|
|
break;
|
|
|
|
default:
|
|
goto unknown_op;
|
|
}
|
|
break;
|
|
|
|
case 0x10d: /* 3DNow! prefetch(w) */
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
mod = (modrm >> 6) & 3;
|
|
if (mod == 3)
|
|
goto illegal_op;
|
|
gen_nop_modrm(env, s, modrm);
|
|
break;
|
|
case 0x1aa: /* rsm */
|
|
gen_svm_check_intercept(s, pc_start, SVM_EXIT_RSM);
|
|
if (!(s->flags & HF_SMM_MASK))
|
|
goto illegal_op;
|
|
gen_update_cc_op(s);
|
|
gen_jmp_im(s->pc - s->cs_base);
|
|
gen_helper_rsm(cpu_env);
|
|
gen_eob(s);
|
|
break;
|
|
case 0x1b8: /* SSE4.2 popcnt */
|
|
if ((prefixes & (PREFIX_REPZ | PREFIX_LOCK | PREFIX_REPNZ)) !=
|
|
PREFIX_REPZ)
|
|
goto illegal_op;
|
|
if (!(s->cpuid_ext_features & CPUID_EXT_POPCNT))
|
|
goto illegal_op;
|
|
|
|
modrm = cpu_ldub_code(env, s->pc++);
|
|
reg = ((modrm >> 3) & 7) | rex_r;
|
|
|
|
if (s->prefix & PREFIX_DATA) {
|
|
ot = MO_16;
|
|
} else {
|
|
ot = mo_64_32(dflag);
|
|
}
|
|
|
|
gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
|
|
gen_helper_popcnt(cpu_T0, cpu_env, cpu_T0, tcg_const_i32(ot));
|
|
gen_op_mov_reg_v(ot, reg, cpu_T0);
|
|
|
|
set_cc_op(s, CC_OP_EFLAGS);
|
|
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 ... 0x179:
|
|
case 0x17c ... 0x17f:
|
|
case 0x1c2:
|
|
case 0x1c4 ... 0x1c6:
|
|
case 0x1d0 ... 0x1fe:
|
|
gen_sse(env, s, b, pc_start, rex_r);
|
|
break;
|
|
default:
|
|
goto unknown_op;
|
|
}
|
|
/* lock generation */
|
|
if (s->prefix & PREFIX_LOCK)
|
|
gen_helper_unlock();
|
|
return s->pc;
|
|
illegal_op:
|
|
if (s->prefix & PREFIX_LOCK)
|
|
gen_helper_unlock();
|
|
/* XXX: ensure that no lock was generated */
|
|
gen_illegal_opcode(s);
|
|
return s->pc;
|
|
unknown_op:
|
|
if (s->prefix & PREFIX_LOCK)
|
|
gen_helper_unlock();
|
|
/* XXX: ensure that no lock was generated */
|
|
gen_unknown_opcode(env, s);
|
|
return s->pc;
|
|
}
|
|
|
|
void tcg_x86_init(void)
|
|
{
|
|
static const char reg_names[CPU_NB_REGS][4] = {
|
|
#ifdef TARGET_X86_64
|
|
[R_EAX] = "rax",
|
|
[R_EBX] = "rbx",
|
|
[R_ECX] = "rcx",
|
|
[R_EDX] = "rdx",
|
|
[R_ESI] = "rsi",
|
|
[R_EDI] = "rdi",
|
|
[R_EBP] = "rbp",
|
|
[R_ESP] = "rsp",
|
|
[8] = "r8",
|
|
[9] = "r9",
|
|
[10] = "r10",
|
|
[11] = "r11",
|
|
[12] = "r12",
|
|
[13] = "r13",
|
|
[14] = "r14",
|
|
[15] = "r15",
|
|
#else
|
|
[R_EAX] = "eax",
|
|
[R_EBX] = "ebx",
|
|
[R_ECX] = "ecx",
|
|
[R_EDX] = "edx",
|
|
[R_ESI] = "esi",
|
|
[R_EDI] = "edi",
|
|
[R_EBP] = "ebp",
|
|
[R_ESP] = "esp",
|
|
#endif
|
|
};
|
|
static const char seg_base_names[6][8] = {
|
|
[R_CS] = "cs_base",
|
|
[R_DS] = "ds_base",
|
|
[R_ES] = "es_base",
|
|
[R_FS] = "fs_base",
|
|
[R_GS] = "gs_base",
|
|
[R_SS] = "ss_base",
|
|
};
|
|
static const char bnd_regl_names[4][8] = {
|
|
"bnd0_lb", "bnd1_lb", "bnd2_lb", "bnd3_lb"
|
|
};
|
|
static const char bnd_regu_names[4][8] = {
|
|
"bnd0_ub", "bnd1_ub", "bnd2_ub", "bnd3_ub"
|
|
};
|
|
int i;
|
|
static bool initialized;
|
|
|
|
if (initialized) {
|
|
return;
|
|
}
|
|
initialized = true;
|
|
|
|
cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
|
|
tcg_ctx.tcg_env = cpu_env;
|
|
cpu_cc_op = tcg_global_mem_new_i32(cpu_env,
|
|
offsetof(CPUX86State, cc_op), "cc_op");
|
|
cpu_cc_dst = tcg_global_mem_new(cpu_env, offsetof(CPUX86State, cc_dst),
|
|
"cc_dst");
|
|
cpu_cc_src = tcg_global_mem_new(cpu_env, offsetof(CPUX86State, cc_src),
|
|
"cc_src");
|
|
cpu_cc_src2 = tcg_global_mem_new(cpu_env, offsetof(CPUX86State, cc_src2),
|
|
"cc_src2");
|
|
|
|
for (i = 0; i < CPU_NB_REGS; ++i) {
|
|
cpu_regs[i] = tcg_global_mem_new(cpu_env,
|
|
offsetof(CPUX86State, regs[i]),
|
|
reg_names[i]);
|
|
}
|
|
|
|
for (i = 0; i < 6; ++i) {
|
|
cpu_seg_base[i]
|
|
= tcg_global_mem_new(cpu_env,
|
|
offsetof(CPUX86State, segs[i].base),
|
|
seg_base_names[i]);
|
|
}
|
|
|
|
for (i = 0; i < 4; ++i) {
|
|
cpu_bndl[i]
|
|
= tcg_global_mem_new_i64(cpu_env,
|
|
offsetof(CPUX86State, bnd_regs[i].lb),
|
|
bnd_regl_names[i]);
|
|
cpu_bndu[i]
|
|
= tcg_global_mem_new_i64(cpu_env,
|
|
offsetof(CPUX86State, bnd_regs[i].ub),
|
|
bnd_regu_names[i]);
|
|
}
|
|
|
|
helper_lock_init();
|
|
}
|
|
|
|
/* generate intermediate code for basic block 'tb'. */
|
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void gen_intermediate_code(CPUX86State *env, TranslationBlock *tb)
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{
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X86CPU *cpu = x86_env_get_cpu(env);
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CPUState *cs = CPU(cpu);
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DisasContext dc1, *dc = &dc1;
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target_ulong pc_ptr;
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uint32_t flags;
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target_ulong pc_start;
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target_ulong cs_base;
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int num_insns;
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int max_insns;
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/* generate intermediate code */
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pc_start = tb->pc;
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cs_base = tb->cs_base;
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flags = tb->flags;
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dc->pe = (flags >> HF_PE_SHIFT) & 1;
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dc->code32 = (flags >> HF_CS32_SHIFT) & 1;
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dc->ss32 = (flags >> HF_SS32_SHIFT) & 1;
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dc->addseg = (flags >> HF_ADDSEG_SHIFT) & 1;
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dc->f_st = 0;
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dc->vm86 = (flags >> VM_SHIFT) & 1;
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dc->cpl = (flags >> HF_CPL_SHIFT) & 3;
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dc->iopl = (flags >> IOPL_SHIFT) & 3;
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dc->tf = (flags >> TF_SHIFT) & 1;
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dc->singlestep_enabled = cs->singlestep_enabled;
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dc->cc_op = CC_OP_DYNAMIC;
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dc->cc_op_dirty = false;
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dc->cs_base = cs_base;
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dc->tb = tb;
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dc->popl_esp_hack = 0;
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/* select memory access functions */
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dc->mem_index = 0;
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#ifdef CONFIG_SOFTMMU
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dc->mem_index = cpu_mmu_index(env, false);
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#endif
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dc->cpuid_features = env->features[FEAT_1_EDX];
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dc->cpuid_ext_features = env->features[FEAT_1_ECX];
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dc->cpuid_ext2_features = env->features[FEAT_8000_0001_EDX];
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dc->cpuid_ext3_features = env->features[FEAT_8000_0001_ECX];
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dc->cpuid_7_0_ebx_features = env->features[FEAT_7_0_EBX];
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dc->cpuid_xsave_features = env->features[FEAT_XSAVE];
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#ifdef TARGET_X86_64
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dc->lma = (flags >> HF_LMA_SHIFT) & 1;
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dc->code64 = (flags >> HF_CS64_SHIFT) & 1;
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#endif
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dc->flags = flags;
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dc->jmp_opt = !(dc->tf || cs->singlestep_enabled ||
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(flags & HF_INHIBIT_IRQ_MASK));
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/* Do not optimize repz jumps at all in icount mode, because
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rep movsS instructions are execured with different paths
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in !repz_opt and repz_opt modes. The first one was used
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always except single step mode. And this setting
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disables jumps optimization and control paths become
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equivalent in run and single step modes.
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Now there will be no jump optimization for repz in
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record/replay modes and there will always be an
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additional step for ecx=0 when icount is enabled.
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*/
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dc->repz_opt = !dc->jmp_opt && !(tb->cflags & CF_USE_ICOUNT);
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#if 0
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/* check addseg logic */
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if (!dc->addseg && (dc->vm86 || !dc->pe || !dc->code32))
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printf("ERROR addseg\n");
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#endif
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cpu_T0 = tcg_temp_new();
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cpu_T1 = tcg_temp_new();
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cpu_A0 = tcg_temp_new();
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cpu_tmp0 = tcg_temp_new();
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cpu_tmp1_i64 = tcg_temp_new_i64();
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cpu_tmp2_i32 = tcg_temp_new_i32();
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cpu_tmp3_i32 = tcg_temp_new_i32();
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cpu_tmp4 = tcg_temp_new();
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cpu_ptr0 = tcg_temp_new_ptr();
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cpu_ptr1 = tcg_temp_new_ptr();
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cpu_cc_srcT = tcg_temp_local_new();
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dc->is_jmp = DISAS_NEXT;
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pc_ptr = pc_start;
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num_insns = 0;
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max_insns = tb->cflags & CF_COUNT_MASK;
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if (max_insns == 0) {
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max_insns = CF_COUNT_MASK;
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}
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if (max_insns > TCG_MAX_INSNS) {
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max_insns = TCG_MAX_INSNS;
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}
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gen_tb_start(tb);
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for(;;) {
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tcg_gen_insn_start(pc_ptr, dc->cc_op);
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num_insns++;
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/* If RF is set, suppress an internally generated breakpoint. */
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if (unlikely(cpu_breakpoint_test(cs, pc_ptr,
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tb->flags & HF_RF_MASK
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? BP_GDB : BP_ANY))) {
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gen_debug(dc, pc_ptr - dc->cs_base);
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/* The address covered by the breakpoint must be included in
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[tb->pc, tb->pc + tb->size) in order to for it to be
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properly cleared -- thus we increment the PC here so that
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the logic setting tb->size below does the right thing. */
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pc_ptr += 1;
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goto done_generating;
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}
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if (num_insns == max_insns && (tb->cflags & CF_LAST_IO)) {
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gen_io_start();
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}
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pc_ptr = disas_insn(env, dc, pc_ptr);
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/* stop translation if indicated */
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if (dc->is_jmp)
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break;
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/* if single step mode, we generate only one instruction and
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generate an exception */
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/* if irq were inhibited with HF_INHIBIT_IRQ_MASK, we clear
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the flag and abort the translation to give the irqs a
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change to be happen */
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if (dc->tf || dc->singlestep_enabled ||
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(flags & HF_INHIBIT_IRQ_MASK)) {
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gen_jmp_im(pc_ptr - dc->cs_base);
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gen_eob(dc);
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break;
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}
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/* Do not cross the boundary of the pages in icount mode,
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it can cause an exception. Do it only when boundary is
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crossed by the first instruction in the block.
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If current instruction already crossed the bound - it's ok,
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because an exception hasn't stopped this code.
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*/
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if ((tb->cflags & CF_USE_ICOUNT)
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&& ((pc_ptr & TARGET_PAGE_MASK)
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!= ((pc_ptr + TARGET_MAX_INSN_SIZE - 1) & TARGET_PAGE_MASK)
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|| (pc_ptr & ~TARGET_PAGE_MASK) == 0)) {
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gen_jmp_im(pc_ptr - dc->cs_base);
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gen_eob(dc);
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break;
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}
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/* if too long translation, stop generation too */
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if (tcg_op_buf_full() ||
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(pc_ptr - pc_start) >= (TARGET_PAGE_SIZE - 32) ||
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num_insns >= max_insns) {
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gen_jmp_im(pc_ptr - dc->cs_base);
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gen_eob(dc);
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break;
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}
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if (singlestep) {
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gen_jmp_im(pc_ptr - dc->cs_base);
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gen_eob(dc);
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break;
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}
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}
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if (tb->cflags & CF_LAST_IO)
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gen_io_end();
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done_generating:
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gen_tb_end(tb, num_insns);
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#ifdef DEBUG_DISAS
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if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)
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&& qemu_log_in_addr_range(pc_start)) {
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int disas_flags;
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qemu_log("----------------\n");
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qemu_log("IN: %s\n", lookup_symbol(pc_start));
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#ifdef TARGET_X86_64
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if (dc->code64)
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disas_flags = 2;
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else
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#endif
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disas_flags = !dc->code32;
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log_target_disas(cs, pc_start, pc_ptr - pc_start, disas_flags);
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qemu_log("\n");
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}
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#endif
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tb->size = pc_ptr - pc_start;
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tb->icount = num_insns;
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}
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void restore_state_to_opc(CPUX86State *env, TranslationBlock *tb,
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target_ulong *data)
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{
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int cc_op = data[1];
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env->eip = data[0] - tb->cs_base;
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if (cc_op != CC_OP_DYNAMIC) {
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env->cc_op = cc_op;
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}
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}
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