blob: 0e8e2f00fce04f83d1a3319e2c4e8573e8c8c627 (
plain)
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
|
/* Check __ppc_get_timebase() for architecture changes
Copyright (C) 2012-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
/* Test if __ppc_get_timebase() is compatible with the current processor and if
it's changing between reads. A read failure might indicate a Power ISA or
binutils change. */
#include <inttypes.h>
#include <stdio.h>
#include <stdint.h>
#include <sys/platform/ppc.h>
static int
do_test (void)
{
uint64_t t1, t2, t3;
t1 = __ppc_get_timebase ();
printf ("Time Base = %"PRIu64"\n", t1);
t2 = __ppc_get_timebase ();
printf ("Time Base = %"PRIu64"\n", t2);
t3 = __ppc_get_timebase ();
printf ("Time Base = %"PRIu64"\n", t3);
if (t1 != t2 && t1 != t3 && t2 != t3)
return 0;
printf ("Fail: timebase reads should always be different.\n");
return 1;
}
#include <support/test-driver.c>
|
