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KVM: x86 emulator: Add group9 instruction decoding 

Use groups mechanism to decode 0F C7 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 14:21:30 +02:00 committed by Marcelo Tosatti
parent 2db2c2eb62
commit 60a29d4ea4
1 changed files with 7 additions and 2 deletions
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9
arch/x86/kvm/emulate.c
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@ -88,7 +88,7 @@
enum {
Group1_80, Group1_81, Group1_82, Group1_83,
Group1A, Group3_Byte, Group3, Group4, Group5, Group7,
Group8,
Group8, Group9,
};
static u32 opcode_table[256] = {
@ -272,7 +272,8 @@ static u32 twobyte_table[256] = {
0, 0, ByteOp | DstReg | SrcMem | ModRM | Mov,
DstReg | SrcMem16 | ModRM | Mov,
/* 0xC0 - 0xCF */
0, 0, 0, DstMem | SrcReg | ModRM | Mov, 0, 0, 0, ImplicitOps | ModRM,
0, 0, 0, DstMem | SrcReg | ModRM | Mov,
0, 0, 0, Group | GroupDual | Group9,
0, 0, 0, 0, 0, 0, 0, 0,
/* 0xD0 - 0xDF */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@ -328,6 +329,8 @@ static u32 group_table[] = {
0, 0, 0, 0,
DstMem | SrcImmByte | ModRM, DstMem | SrcImmByte | ModRM,
DstMem | SrcImmByte | ModRM, DstMem | SrcImmByte | ModRM,
[Group9*8] =
0, ImplicitOps | ModRM, 0, 0, 0, 0, 0, 0,
};
static u32 group2_table[] = {
@ -335,6 +338,8 @@ static u32 group2_table[] = {
SrcNone | ModRM, 0, 0, SrcNone | ModRM,
SrcNone | ModRM | DstMem | Mov, 0,
SrcMem16 | ModRM | Mov, 0,
[Group9*8] =
0, 0, 0, 0, 0, 0, 0, 0,
};
/* EFLAGS bit definitions. */