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KVM: x86 emulator: Add group8 instruction decoding

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Use groups mechanism to decode 0F BA instructions.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Gleb Natapov 2010-02-10 14:21:29 +02:00 committed by Marcelo Tosatti
parent 8b97fb0fcb
commit 2db2c2eb62
1 changed files with 6 additions and 1 deletions
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7
arch/x86/kvm/emulate.c
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@ -88,6 +88,7 @@
enum {
Group1_80, Group1_81, Group1_82, Group1_83,
Group1A, Group3_Byte, Group3, Group4, Group5, Group7,
Group8,
};
static u32 opcode_table[256] = {
@ -267,7 +268,7 @@ static u32 twobyte_table[256] = {
0, 0, ByteOp | DstReg | SrcMem | ModRM | Mov,
DstReg | SrcMem16 | ModRM | Mov,
/* 0xB8 - 0xBF */
0, 0, DstMem | SrcImmByte | ModRM, DstMem | SrcReg | ModRM | BitOp,
0, 0, Group | Group8, DstMem | SrcReg | ModRM | BitOp,
0, 0, ByteOp | DstReg | SrcMem | ModRM | Mov,
DstReg | SrcMem16 | ModRM | Mov,
/* 0xC0 - 0xCF */
@ -323,6 +324,10 @@ static u32 group_table[] = {
0, 0, ModRM | SrcMem, ModRM | SrcMem,
SrcNone | ModRM | DstMem | Mov, 0,
SrcMem16 | ModRM | Mov, SrcMem | ModRM | ByteOp,
[Group8*8] =
0, 0, 0, 0,
DstMem | SrcImmByte | ModRM, DstMem | SrcImmByte | ModRM,
DstMem | SrcImmByte | ModRM, DstMem | SrcImmByte | ModRM,
};
static u32 group2_table[] = {