linux-kernel - [PATCH 07/40] KVM: x86 emulator: add group 7 decoding

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Message-Id: <1206974244-9716-8-git-send-email-avi@qumranet.com>
Date:	Mon, 31 Mar 2008 17:36:51 +0300
From:	Avi Kivity <avi@...ranet.com>
To:	kvm-devel@...ts.sourceforge.net
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 07/40] KVM: x86 emulator: add group 7 decoding

This adds group decoding for opcode 0x0f 0x01 (group 7).

Signed-off-by: Avi Kivity <avi@...ranet.com>
---
 arch/x86/kvm/x86_emulate.c |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c
index 7310368..ef6de16 100644
--- a/arch/x86/kvm/x86_emulate.c
+++ b/arch/x86/kvm/x86_emulate.c
@@ -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] = {
@@ -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,
@@ -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. */
-- 
1.5.4.5

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