blob: 5e8bc8edd07bd4e92b773c6517bbe7bb4576d8b9 (
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
|
/*
* Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_ARM_TIMER_H
#define AVUTIL_ARM_TIMER_H
#include <stdint.h>
#include "config.h"
#if HAVE_INLINE_ASM && defined(__ARM_ARCH_7A__)
#define AV_READ_TIME read_time
static inline uint64_t read_time(void)
{
unsigned cc;
__asm__ volatile ("mrc p15, 0, %0, c9, c13, 0" : "=r"(cc));
return cc;
}
#endif /* HAVE_INLINE_ASM && __ARM_ARCH_7A__ */
#endif /* AVUTIL_ARM_TIMER_H */
|
