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