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

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'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>
This commit is contained in:
Wei Yongjun
2010-07-06 16:51:09 +08:00
committed by Avi Kivity
parent ce7a0ad3bd
commit e97e883f8b
1 changed files with 1 additions and 1 deletions
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2
arch/x86/kvm/emulate.c
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@@ -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,