KVM: x86 emulator: fix 'and AL,imm8' instruction decoding

'and AL,imm8' should be mask as ByteOp, otherwise the dest operand length will no correct and we may fill the full EAX when writeback. Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: Avi Kivity <avi@redhat.com>
git-mirror · Aug 2, 2010 · e97e883 · e97e883
1 parent ce7a0ad
commit e97e883
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
@@ -123,7 +123,7 @@ static u32 opcode_table[256] = {
 	/* 0x20 - 0x27 */
 	ByteOp | DstMem | SrcReg | ModRM | Lock, DstMem | SrcReg | ModRM | Lock,
 	ByteOp | DstReg | SrcMem | ModRM, DstReg | SrcMem | ModRM,
-	DstAcc | SrcImmByte, DstAcc | SrcImm, 0, 0,
+	ByteOp | DstAcc | SrcImmByte, DstAcc | SrcImm, 0, 0,
 	/* 0x28 - 0x2F */
 	ByteOp | DstMem | SrcReg | ModRM | Lock, DstMem | SrcReg | ModRM | Lock,
 	ByteOp | DstReg | SrcMem | ModRM, DstReg | SrcMem | ModRM,