Add setcc instruction emulation (opcode 0x0f 0x90~0x9f)
Signed-off-by: Wei Yongjun <yjwei@xxxxxxxxxxxxxx>
---
arch/x86/kvm/emulate.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index a755b85..e057e57 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2330,7 +2330,7 @@ static struct opcode twobyte_table[256] = {
/* 0x80 - 0x8F */
X16(D(SrcImm)),
/* 0x90 - 0x9F */
- N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N,
+ X16(D(ByteOp | DstMem | SrcNone | ModRM| Mov)),
/* 0xA0 - 0xA7 */
D(ImplicitOps | Stack), D(ImplicitOps | Stack),
N, D(DstMem | SrcReg | ModRM | BitOp),
@@ -3390,6 +3390,9 @@ twobyte_insn:
if (test_cc(c->b, ctxt->eflags))
jmp_rel(c, c->src.val);
break;
+ case 0x90 ... 0x9f: /* setcc r/m8 */
+ c->dst.val = test_cc(c->b, ctxt->eflags);
+ break;
case 0xa0: /* push fs */
emulate_push_sreg(ctxt, ops, VCPU_SREG_FS);
break;
--
1.7.0.4
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