KVM: x86 emulator: group decoding for group 1 instructions
Opcodes 0x80-0x83 Signed-off-by: Avi Kivity <avi@qumranet.com>
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1 changed files with 23 additions and 2 deletions
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@ -70,6 +70,7 @@
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#define GroupMask 0xff /* Group number stored in bits 0:7 */
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enum {
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Group1_80, Group1_81, Group1_82, Group1_83,
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Group1A, Group3_Byte, Group3, Group4, Group5, Group7,
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};
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@ -130,8 +131,8 @@ static u16 opcode_table[256] = {
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ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps,
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ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps,
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/* 0x80 - 0x87 */
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ByteOp | DstMem | SrcImm | ModRM, DstMem | SrcImm | ModRM,
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ByteOp | DstMem | SrcImm | ModRM, DstMem | SrcImmByte | ModRM,
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Group | Group1_80, Group | Group1_81,
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Group | Group1_82, Group | Group1_83,
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ByteOp | DstMem | SrcReg | ModRM, DstMem | SrcReg | ModRM,
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ByteOp | DstMem | SrcReg | ModRM, DstMem | SrcReg | ModRM,
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/* 0x88 - 0x8F */
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@ -236,6 +237,26 @@ static u16 twobyte_table[256] = {
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};
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static u16 group_table[] = {
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[Group1_80*8] =
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ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,
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ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,
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ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,
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ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,
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[Group1_81*8] =
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DstMem | SrcImm | ModRM, DstMem | SrcImm | ModRM,
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DstMem | SrcImm | ModRM, DstMem | SrcImm | ModRM,
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DstMem | SrcImm | ModRM, DstMem | SrcImm | ModRM,
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DstMem | SrcImm | ModRM, DstMem | SrcImm | ModRM,
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[Group1_82*8] =
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ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,
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ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,
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ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,
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ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,
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[Group1_83*8] =
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DstMem | SrcImmByte | ModRM, DstMem | SrcImmByte | ModRM,
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DstMem | SrcImmByte | ModRM, DstMem | SrcImmByte | ModRM,
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DstMem | SrcImmByte | ModRM, DstMem | SrcImmByte | ModRM,
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DstMem | SrcImmByte | ModRM, DstMem | SrcImmByte | ModRM,
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[Group1A*8] =
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DstMem | SrcNone | ModRM | Mov | Stack, 0, 0, 0, 0, 0, 0, 0,
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[Group3_Byte*8] =
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