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Subject[PATCH 10/40] KVM: x86 emulator: group decoding for group 1 instructions
Date
Opcodes 0x80-0x83

Signed-off-by: Avi Kivity <avi@qumranet.com>
---
arch/x86/kvm/x86_emulate.c | 25 +++++++++++++++++++++++--
1 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c
index ef6de16..22900f7 100644
--- a/arch/x86/kvm/x86_emulate.c
+++ b/arch/x86/kvm/x86_emulate.c
@@ -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] =
--
1.5.4.5


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