0,0 → 1,40 |
/* |
* 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; |
} |
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#endif /* HAVE_INLINE_ASM && __ARM_ARCH_7A__ */ |
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#endif /* AVUTIL_ARM_TIMER_H */ |