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KVM: x86 emulator: add group 7 decoding
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This adds group decoding for opcode 0x0f 0x01 (group 7).

Signed-off-by: Avi Kivity <avi@qumranet.com>
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Avi Kivity committed Apr 27, 2008
1 parent fd60754 commit d95058a
Showing 1 changed file with 7 additions and 2 deletions.
9 changes: 7 additions & 2 deletions arch/x86/kvm/x86_emulate.c
Original file line number Diff line number Diff line change
Expand Up @@ -70,7 +70,7 @@
#define GroupMask 0xff /* Group number stored in bits 0:7 */

enum {
Group1A, Group3_Byte, Group3, Group4, Group5,
Group1A, Group3_Byte, Group3, Group4, Group5, Group7,
};

static u16 opcode_table[256] = {
Expand Down Expand Up @@ -179,7 +179,7 @@ static u16 opcode_table[256] = {

static u16 twobyte_table[256] = {
/* 0x00 - 0x0F */
0, SrcMem | ModRM | DstReg, 0, 0, 0, 0, ImplicitOps, 0,
0, Group | GroupDual | Group7, 0, 0, 0, 0, ImplicitOps, 0,
ImplicitOps, ImplicitOps, 0, 0, 0, ImplicitOps | ModRM, 0, 0,
/* 0x10 - 0x1F */
0, 0, 0, 0, 0, 0, 0, 0, ImplicitOps | ModRM, 0, 0, 0, 0, 0, 0, 0,
Expand Down Expand Up @@ -252,9 +252,14 @@ static u16 group_table[] = {
[Group5*8] =
DstMem | SrcNone | ModRM, DstMem | SrcNone | ModRM, 0, 0,
SrcMem | ModRM, 0, SrcMem | ModRM | Stack, 0,
[Group7*8] =
0, 0, ModRM | SrcMem, ModRM | SrcMem,
SrcNone | ModRM | DstMem, 0, SrcMem | ModRM, SrcMem | ModRM | ByteOp,
};

static u16 group2_table[] = {
[Group7*8] =
SrcNone | ModRM, 0, 0, 0, SrcNone | ModRM | DstMem, 0, SrcMem | ModRM, 0,
};

/* EFLAGS bit definitions. */
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