1/*
2 * This file and its contents are supplied under the terms of the
3 * Common Development and Distribution License ("CDDL"), version 1.0.
4 * You may only use this file in accordance with the terms of version
5 * 1.0 of the CDDL.
6 *
7 * A full copy of the text of the CDDL should have accompanied this
8 * source.  A copy of the CDDL is also available via the Internet at
9 * http://www.illumos.org/license/CDDL.
10 */
11
12/*
13 * Copyright 2023 Oxide Computer Company
14 */
15
16#include <sys/asm_linkage.h>
17
18ENTRY(start)
19	movl	$0x12345678, %ecx
20	xorl	%eax, %eax
21	xorl	%edx, %edx
22	/* Incur an exit for an unhandled rdmsr */
23	rdmsr
24
25	nop
26	nop
27
28	/* Incur an exit for MMIO */
29	movl	$0xc0000000, %eax
30	movl	(%eax), %ecx
31
32	nop
33	nop
34
35	hlt
36SET_SIZE(start)
37