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authorTakuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>2011-05-29 21:57:53 +0900
committerAvi Kivity <avi@redhat.com>2011-07-12 13:16:00 +0300
commit9f21ca599cd609502de8a56c1d4c4688d40abb2d (patch)
tree6741823f140817294f313154752f2dfaa4fc10f5 /arch/x86/kvm
parentdb5b0762f3cab58398f16379ab37ef66ef9ba497 (diff)
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>
Diffstat (limited to 'arch/x86/kvm')
-rw-r--r--arch/x86/kvm/emulate.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 136bc6cbd5f..d25cfc238b9 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -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 @@ special_insn:
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 @@ special_insn:
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;