1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright 2022 Oxide Computer Company
*/
#include <sys/asm_linkage.h>
#include "payload_common.h"
ENTRY(start)
/* check that the mmio values we expect are emitted */
movw 0x10001234, %ax
cmpw $0x1234, %ax
jne fail
movl 0x10001232, %eax
cmpl $0x12341232, %eax
jne fail
movq 0x10001230, %rax
movq $0x1236123412321230, %rdx
cmpq %rdx, %rax
jne fail
/* attempt the imul at 2/4/8 byte widths */
movl $0x2, %eax
imulw 0x10001234, %ax
cmpw $0x2468, %ax
jne fail
movl $0x2, %eax
imull 0x10001232, %eax
cmpl $0x24682464, %eax
jne fail
movl $0x10, %eax
imulq 0x10001230, %rax
movq $0x2361234123212300, %rcx
cmpq %rcx, %rax
jne fail
movw $IOP_TEST_RESULT, %dx
movb $TEST_RESULT_PASS, %al
outb (%dx)
hlt
fail:
movw $IOP_TEST_RESULT, %dx
movb $TEST_RESULT_FAIL, %al
outb (%dx)
hlt
SET_SIZE(start)
|
