From: Wei Yongjun <yjwei@cn.fujitsu.com>
Date: Fri, 6 Aug 2010 09:10:07 +0000 (+0800)
Subject: KVM: x86 emulator: add setcc instruction emulation
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=ee45b58efebc826ea2ade310f6e311702d4a5ab9;p=deliverable%2Flinux.git

KVM: x86 emulator: add setcc instruction emulation

Add setcc instruction emulation (opcode 0x0f 0x90~0x9f)

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 0c08bffe6cb4..df349f376da8 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2362,7 +2362,7 @@ 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),
@@ -3424,6 +3424,9 @@ 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;