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Commit fd2a7608 authored by Nitin A Kamble's avatar Nitin A Kamble Committed by Avi Kivity
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KVM: x86 emulator: pushf 



Implement emulation of instruction
	pushf
	opcode: 0x9c

Signed-off-by: default avatarNitin A Kamble <nitin.a.kamble@intel.com>
Signed-off-by: default avatarAvi Kivity <avi@qumranet.com>
parent f6eed391

drivers/kvm/x86_emulate.c

+9 −2
Original line number Diff line number Diff line
@@ -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 @@ x86_emulate_memop(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops) 
		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 @@ x86_emulate_memop(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops) 
				) == 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) {