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KVM: x86 emulator: Use opcode::execute for TEST(84/85, A8/A9) 

Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Takuya Yoshikawa 2011-05-29 21:57:53 +09:00 committed by Avi Kivity
parent db5b0762f3
commit 9f21ca599c
1 changed files with 11 additions and 8 deletions
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19
arch/x86/kvm/emulate.c
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@ -2605,6 +2605,14 @@ static int em_cmp(struct x86_emulate_ctxt *ctxt)
return X86EMUL_CONTINUE;
}
static int em_test(struct x86_emulate_ctxt *ctxt)
{
struct decode_cache *c = &ctxt->decode;
emulate_2op_SrcV("test", c->src, c->dst, ctxt->eflags);
return X86EMUL_CONTINUE;
}
static int em_imul(struct x86_emulate_ctxt *ctxt)
{
struct decode_cache *c = &ctxt->decode;
@ -3135,7 +3143,8 @@ static struct opcode opcode_table[256] = {
G(DstMem | SrcImm | ModRM | Group, group1),
G(ByteOp | DstMem | SrcImm | ModRM | No64 | Group, group1),
G(DstMem | SrcImmByte | ModRM | Group, group1),
D2bv(DstMem | SrcReg | ModRM), D2bv(DstMem | SrcReg | ModRM | Lock),
I2bv(DstMem | SrcReg | ModRM, em_test),
D2bv(DstMem | SrcReg | ModRM | Lock),
/* 0x88 - 0x8F */
I2bv(DstMem | SrcReg | ModRM | Mov, em_mov),
I2bv(DstReg | SrcMem | ModRM | Mov, em_mov),
@ -3154,7 +3163,7 @@ static struct opcode opcode_table[256] = {
I2bv(SrcSI | DstDI | Mov | String, em_mov),
I2bv(SrcSI | DstDI | String, em_cmp),
/* 0xA8 - 0xAF */
D2bv(DstAcc | SrcImm),
I2bv(DstAcc | SrcImm, em_test),
I2bv(SrcAcc | DstDI | Mov | String, em_mov),
I2bv(SrcSI | DstAcc | Mov | String, em_mov),
I2bv(SrcAcc | DstDI | String, em_cmp),
@ -3873,10 +3882,6 @@ int x86_emulate_insn(struct x86_emulate_ctxt *ctxt)
if (test_cc(c->b, ctxt->eflags))
jmp_rel(c, c->src.val);
break;
case 0x84 ... 0x85:
test:
emulate_2op_SrcV("test", c->src, c->dst, ctxt->eflags);
break;
case 0x86 ... 0x87: /* xchg */
xchg:
/* Write back the register source. */
@ -3932,8 +3937,6 @@ int x86_emulate_insn(struct x86_emulate_ctxt *ctxt)
case 8: c->dst.val = (s32)c->dst.val; break;
}
break;
case 0xa8 ... 0xa9: /* test ax, imm */
goto test;
case 0xc0 ... 0xc1:
rc = em_grp2(ctxt);
break;