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KVM: x86 emulator: fix 'mov sreg,rm16' instruction decoding
author
Wei Yongjun
<yjwei@cn.fujitsu.com>
Tue, 6 Jul 2010 08:49:05 +0000
(16:49 +0800)
committer
Avi Kivity
<avi@redhat.com>
Mon, 2 Aug 2010 03:40:22 +0000
(06:40 +0300)
Memory reads for 'mov sreg,rm16' should be 16 bits only.
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
arch/x86/kvm/emulate.c
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diff --git
a/arch/x86/kvm/emulate.c
b/arch/x86/kvm/emulate.c
index
e8bdddc
..
d842a7d
100644
(file)
--- a/
arch/x86/kvm/emulate.c
+++ b/
arch/x86/kvm/emulate.c
@@
-170,7
+170,7
@@
static u32 opcode_table[256] = {
ByteOp | DstMem | SrcReg | ModRM | Mov, DstMem | SrcReg | ModRM | Mov,
ByteOp | DstReg | SrcMem | ModRM | Mov, DstReg | SrcMem | ModRM | Mov,
DstMem | SrcReg | ModRM | Mov, ModRM | DstReg,
- ImplicitOps | SrcMem | ModRM, Group | Group1A,
+ ImplicitOps | SrcMem
16
| ModRM, Group | Group1A,
/* 0x90 - 0x97 */
DstReg, DstReg, DstReg, DstReg, DstReg, DstReg, DstReg, DstReg,
/* 0x98 - 0x9F */