[PATCH 03/10] KVM: x86 emulator: invd instruction

From: Avi Kivity
Date: Sun Dec 02 2007 - 06:18:36 EST


Emulate the 'invd' instruction (opcode 0f 08).

Signed-off-by: Avi Kivity <avi@xxxxxxxxxxxx>
---
drivers/kvm/x86_emulate.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c
index 08cd4a3..14ad4b4 100644
--- a/drivers/kvm/x86_emulate.c
+++ b/drivers/kvm/x86_emulate.c
@@ -156,7 +156,7 @@ static u8 opcode_table[256] = {
static u16 twobyte_table[256] = {
/* 0x00 - 0x0F */
0, SrcMem | ModRM | DstReg, 0, 0, 0, 0, ImplicitOps, 0,
- 0, ImplicitOps, 0, 0, 0, ImplicitOps | ModRM, 0, 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,
/* 0x20 - 0x2F */
@@ -1353,6 +1353,8 @@ twobyte_special_insn:
/* Disable writeback. */
no_wb = 1;
switch (b) {
+ case 0x08: /* invd */
+ break;
case 0x09: /* wbinvd */
break;
case 0x0d: /* GrpP (prefetch) */
--
1.5.3

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