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Commit 43bb19cd authored by Avi Kivity's avatar Avi Kivity
Browse files

KVM: x86 emulator: group decoding for group 1A 



This adds group decode support for opcode 0x8f.

Signed-off-by: default avatarAvi Kivity <avi@qumranet.com>
parent e09d082c

arch/x86/kvm/x86_emulate.c

+7 −1
Original line number Diff line number Diff line
@@ -69,6 +69,10 @@ 
#define GroupDual   (1<<15)     /* Alternate decoding of mod == 3 */

#define GroupMask   0xff        /* Group number stored in bits 0:7 */



enum {

	Group1A,

};



static u16 opcode_table[256] = {

	/* 0x00 - 0x07 */

	ByteOp | DstMem | SrcReg | ModRM, DstMem | SrcReg | ModRM,
@@ -133,7 +137,7 @@ static u16 opcode_table[256] = { 
	/* 0x88 - 0x8F */

	ByteOp | DstMem | SrcReg | ModRM | Mov, DstMem | SrcReg | ModRM | Mov,

	ByteOp | DstReg | SrcMem | ModRM | Mov, DstReg | SrcMem | ModRM | Mov,

	0, ModRM | DstReg, 0, DstMem | SrcNone | ModRM | Mov | Stack,

	0, ModRM | DstReg, 0, Group | Group1A,

	/* 0x90 - 0x9F */

	0, 0, 0, 0, 0, 0, 0, 0,

	0, 0, 0, 0, ImplicitOps | Stack, ImplicitOps | Stack, 0, 0,
@@ -233,6 +237,8 @@ static u16 twobyte_table[256] = { 
};



static u16 group_table[] = {

	[Group1A*8] =

	DstMem | SrcNone | ModRM | Mov | Stack, 0, 0, 0, 0, 0, 0, 0,

};



static u16 group2_table[] = {