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authorWei Yongjun <yjwei@cn.fujitsu.com>2010-08-06 17:10:07 +0800
committerAvi Kivity <avi@redhat.com>2010-10-24 10:51:08 +0200
commitee45b58efebc826ea2ade310f6e311702d4a5ab9 (patch)
tree603cb8da7e6f067a1a9f37565e68705d42432eb5 /arch
parentKVM: x86: explain 'no-kvmclock' kernel parameter (diff)
downloadlinux-dev-ee45b58efebc826ea2ade310f6e311702d4a5ab9.tar.xz
linux-dev-ee45b58efebc826ea2ade310f6e311702d4a5ab9.zip
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kvm/emulate.c5
1 files changed, 4 insertions, 1 deletions
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;