From: Nitin A Kamble <[email protected]>
Implement the instruction
push imm8
opcode: 0x6a
Signed-off-by: Nitin A Kamble <[email protected]>
Signed-off-by: Avi Kivity <[email protected]>
---
drivers/kvm/x86_emulate.c | 17 ++++++++++++++---
1 files changed, 14 insertions(+), 3 deletions(-)
diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c
index 86171ca..4fc2da6 100644
--- a/drivers/kvm/x86_emulate.c
+++ b/drivers/kvm/x86_emulate.c
@@ -104,10 +104,11 @@ static u8 opcode_table[256] = {
/* 0x58 - 0x5F */
ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps,
ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps,
- /* 0x60 - 0x6B */
+ /* 0x60 - 0x67 */
0, 0, 0, DstReg | SrcMem32 | ModRM | Mov /* movsxd (x86/64) */ ,
- 0, 0, 0, 0, 0, 0, 0, 0,
- /* 0x6C - 0x6F */
+ 0, 0, 0, 0,
+ /* 0x68 - 0x6F */
+ 0, 0, ImplicitOps|Mov, 0,
SrcNone | ByteOp | ImplicitOps, SrcNone | ImplicitOps, /* insb, insw/insd */
SrcNone | ByteOp | ImplicitOps, SrcNone | ImplicitOps, /* outsb, outsw/outsd */
/* 0x70 - 0x7F */
@@ -919,6 +920,16 @@ done_prefixes:
goto cannot_emulate;
dst.val = (s32) src.val;
break;
+ case 0x6a: /* push imm8 */
+ src.val = 0L;
+ src.val = insn_fetch(s8, 1, _eip);
+push:
+ dst.type = OP_MEM;
+ dst.bytes = op_bytes;
+ dst.val = src.val;
+ register_address_increment(_regs[VCPU_REGS_RSP], -op_bytes);
+ dst.ptr = register_address(ctxt->ss_base, _regs[VCPU_REGS_RSP]);
+ break;
case 0x80 ... 0x83: /* Grp1 */
switch (modrm_reg) {
case 0:
--
1.5.3
-
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