Commit 2786b014 authored by Guillaume Thouvenin's avatar Guillaume Thouvenin Committed by Avi Kivity
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KVM: x86 emulator: consolidate push reg 



This patch consolidate the emulation of push reg instruction.

Signed-off-by: default avatarGuillaume Thouvenin <guillaume.thouvenin@bull.net>
Signed-off-by: default avatarLaurent Vivier <Laurent.Vivier@bull.net>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent 6a94cb73

arch/x86/kvm/x86_emulate.c

+1 −7
Original line number Diff line number Diff line
@@ -1415,13 +1415,7 @@ special_insn: 
		emulate_1op("dec", c->dst, ctxt->eflags);

		break;

	case 0x50 ... 0x57:  /* push reg */

		c->dst.type  = OP_MEM;

		c->dst.bytes = c->op_bytes;

		c->dst.val = c->src.val;

		register_address_increment(c, &c->regs[VCPU_REGS_RSP],

					   -c->op_bytes);

		c->dst.ptr = (void *) register_address(

			c, ss_base(ctxt), c->regs[VCPU_REGS_RSP]);

		emulate_push(ctxt);

		break;

	case 0x58 ... 0x5f: /* pop reg */

	pop_instruction:

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