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KVM: x86 emulator: disallow opcode 82 in 64-bit mode
authorGleb Natapov <gleb@redhat.com>
Thu, 11 Feb 2010 10:41:10 +0000 (12:41 +0200)
committerMarcelo Tosatti <mtosatti@redhat.com>
Mon, 1 Mar 2010 15:36:12 +0000 (12:36 -0300)
Instructions with opcode 82 are not valid in 64 bit mode.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
arch/x86/kvm/emulate.c patch | blob | history

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index dd1b935..c280c23 100644 (file)
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -310,14 +310,14 @@ static u32 group_table[] = {
        DstMem | SrcImm | ModRM | Lock,
        DstMem | SrcImm | ModRM,
        [Group1_82*8] =
-       ByteOp | DstMem | SrcImm | ModRM | Lock,
-       ByteOp | DstMem | SrcImm | ModRM | Lock,
-       ByteOp | DstMem | SrcImm | ModRM | Lock,
-       ByteOp | DstMem | SrcImm | ModRM | Lock,
-       ByteOp | DstMem | SrcImm | ModRM | Lock,
-       ByteOp | DstMem | SrcImm | ModRM | Lock,
-       ByteOp | DstMem | SrcImm | ModRM | Lock,
-       ByteOp | DstMem | SrcImm | ModRM,
+       ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+       ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+       ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+       ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+       ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+       ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+       ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+       ByteOp | DstMem | SrcImm | ModRM | No64,
        [Group1_83*8] =
        DstMem | SrcImmByte | ModRM | Lock,
        DstMem | SrcImmByte | ModRM | Lock,
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