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
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/*
* Copyright(c) 2022 Qualcomm Innovation Center, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <signal.h>
#include <time.h>
void sig_user(int sig, siginfo_t *info, void *puc)
{
asm("r7 = #0\n\t"
"p0 = r7\n\t"
"p1 = r7\n\t"
"p2 = r7\n\t"
"p3 = r7\n\t"
: : : "r7", "p0", "p1", "p2", "p3");
}
int main()
{
int err = 0;
unsigned int i = 100000;
struct sigaction act;
struct itimerspec it;
timer_t tid;
struct sigevent sev;
act.sa_sigaction = sig_user;
sigemptyset(&act.sa_mask);
act.sa_flags = SA_SIGINFO;
sigaction(SIGUSR1, &act, NULL);
sev.sigev_notify = SIGEV_SIGNAL;
sev.sigev_signo = SIGUSR1;
sev.sigev_value.sival_ptr = &tid;
timer_create(CLOCK_REALTIME, &sev, &tid);
it.it_interval.tv_sec = 0;
it.it_interval.tv_nsec = 100000;
it.it_value.tv_sec = 0;
it.it_value.tv_nsec = 100000;
timer_settime(tid, 0, &it, NULL);
asm("loop0(1f, %1)\n\t"
"1: r8 = #0xff\n\t"
" p0 = r8\n\t"
" p1 = r8\n\t"
" p2 = r8\n\t"
" p3 = r8\n\t"
" jump 3f\n\t"
"2: memb(%0) = #1\n\t"
" jump 4f\n\t"
"3:\n\t"
" r8 = p0\n\t"
" p0 = cmp.eq(r8, #0xff)\n\t"
" if (!p0) jump 2b\n\t"
" r8 = p1\n\t"
" p0 = cmp.eq(r8, #0xff)\n\t"
" if (!p0) jump 2b\n\t"
" r8 = p2\n\t"
" p0 = cmp.eq(r8, #0xff)\n\t"
" if (!p0) jump 2b\n\t"
" r8 = p3\n\t"
" p0 = cmp.eq(r8, #0xff)\n\t"
" if (!p0) jump 2b\n\t"
"4: {}: endloop0\n\t"
:
: "r"(&err), "r"(i)
: "memory", "r8", "p0", "p1", "p2", "p3");
puts(err ? "FAIL" : "PASS");
return err;
}
|
