[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <11900179492320-git-send-email-avi@qumranet.com>
Date: Mon, 17 Sep 2007 10:32:17 +0200
From: Avi Kivity <avi@...ranet.com>
To: kvm-devel@...ts.sourceforge.net
Cc: linux-kernel@...r.kernel.org,
Nitin A Kamble <nitin.a.kamble@...el.com>
Subject: [PATCH 095/104] KVM: x86 emulator: pushf
From: Nitin A Kamble <nitin.a.kamble@...el.com>
Implement emulation of instruction
pushf
opcode: 0x9c
Signed-off-by: Nitin A Kamble <nitin.a.kamble@...el.com>
Signed-off-by: Avi Kivity <avi@...ranet.com>
---
drivers/kvm/x86_emulate.c | 11 +++++++++--
1 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c
index 9f1772f..18c2b2c 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,
@@ -928,7 +928,8 @@ 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) {
@@ -1216,6 +1217,12 @@ 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) {
--
1.5.3
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists