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Commit 1d6ad207 authored by Avi Kivity's avatar Avi Kivity
Browse files

KVM: x86 emulator: group decoding for group 1 instructions 



Opcodes 0x80-0x83

Signed-off-by: default avatarAvi Kivity <avi@qumranet.com>
parent 09566765

arch/x86/kvm/x86_emulate.c

+23 −2
Original line number Diff line number Diff line
@@ -70,6 +70,7 @@ 
#define GroupMask   0xff        /* Group number stored in bits 0:7 */



enum {

	Group1_80, Group1_81, Group1_82, Group1_83,

	Group1A, Group3_Byte, Group3, Group4, Group5, Group7,

};
@@ -130,8 +131,8 @@ static u16 opcode_table[256] = { 
	ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps,

	ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps,

	/* 0x80 - 0x87 */

	ByteOp | DstMem | SrcImm | ModRM, DstMem | SrcImm | ModRM,

	ByteOp | DstMem | SrcImm | ModRM, DstMem | SrcImmByte | ModRM,

	Group | Group1_80, Group | Group1_81,

	Group | Group1_82, Group | Group1_83,

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

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

	/* 0x88 - 0x8F */
@@ -236,6 +237,26 @@ static u16 twobyte_table[256] = { 
};



static u16 group_table[] = {

	[Group1_80*8] =

	ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,

	ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,

	ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,

	ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,

	[Group1_81*8] =

	DstMem | SrcImm | ModRM, DstMem | SrcImm | ModRM,

	DstMem | SrcImm | ModRM, DstMem | SrcImm | ModRM,

	DstMem | SrcImm | ModRM, DstMem | SrcImm | ModRM,

	DstMem | SrcImm | ModRM, DstMem | SrcImm | ModRM,

	[Group1_82*8] =

	ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,

	ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,

	ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,

	ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,

	[Group1_83*8] =

	DstMem | SrcImmByte | ModRM, DstMem | SrcImmByte | ModRM,

	DstMem | SrcImmByte | ModRM, DstMem | SrcImmByte | ModRM,

	DstMem | SrcImmByte | ModRM, DstMem | SrcImmByte | ModRM,

	DstMem | SrcImmByte | ModRM, DstMem | SrcImmByte | ModRM,

	[Group1A*8] =

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

	[Group3_Byte*8] =