Hi Avi,
Attached is the patch to implement emulation of instruction pushf,
opcode 0x9c.
Please apply or comment.
--
Thanks & Regards,
Nitin
Open Source Technology Center, Intel Corporation
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commit c291035169e88bc3115e9692720f84bcbc50d0ed Author: Nitin A Kamble <[EMAIL PROTECTED]> Date: Tue Aug 28 21:27:24 2007 -0700
Implement emulation of instruction
pushf
opcode: 0x9c
Signed-off-by: Nitin A Kamble <[EMAIL PROTECTED]>
diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c
index c488277..02daec6 100644
--- a/drivers/kvm/x86_emulate.c
+++ b/drivers/kvm/x86_emulate.c
@@ -123,7 +123,7 @@ static u8 opcode_table[256] = {
ByteOp | DstReg | SrcMem | ModRM | Mov, DstReg | SrcMem | ModRM | Mov,
0, 0, 0, DstMem | SrcNone | ModRM | Mov,
/* 0x90 - 0x9F */
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ImplicitOps, 0, 0, 0,
/* 0xA0 - 0xA7 */
ByteOp | DstReg | SrcMem | Mov, DstReg | SrcMem | Mov,
ByteOp | DstMem | SrcReg | Mov, DstMem | SrcReg | Mov,
@@ -938,7 +938,8 @@ push:
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]);
+ dst.ptr = (void *) register_address(ctxt->ss_base,
+ _regs[VCPU_REGS_RSP]);
break;
case 0x80 ... 0x83: /* Grp1 */
switch (modrm_reg) {
@@ -1226,6 +1227,12 @@ special_insn:
) == 0)
return -1;
return 0;
+
+ case 0x9c: /* pushf */
+ src.val = (unsigned long) _eflags;
+ goto push;
+ break;
+
}
if (rep_prefix) {
if (_regs[VCPU_REGS_RCX] == 0) {
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