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 2022 Oxide Computer Company 14 */ 15 16#include <sys/asm_linkage.h> 17#include "payload_common.h" 18 19 20ENTRY(start) 21 /* Attempt to write to ROM, which should result in paging exit */ 22 xorl %eax, %eax 23 movq %rax, MEM_LOC_ROM 24 25 /* This should not be reached */ 26 movw $IOP_TEST_RESULT, %dx 27 movb $TEST_RESULT_FAIL, %al 28 outb (%dx) 29 hlt 30SET_SIZE(start) 31