mirror of https://git.ffmpeg.org/ffmpeg.git
49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
/*
|
|
* Copyright (c) 2023 Loongson Technology Corporation Limited
|
|
* Contributed by Hecai Yuan <yuanhecai@loongson.cn>
|
|
*
|
|
* 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_LOONGARCH_TIMER_H
|
|
#define AVUTIL_LOONGARCH_TIMER_H
|
|
|
|
#include <stdint.h>
|
|
#include "config.h"
|
|
|
|
#if HAVE_INLINE_ASM
|
|
|
|
#define AV_READ_TIME read_time
|
|
|
|
static inline uint64_t read_time(void)
|
|
{
|
|
|
|
#if ARCH_LOONGARCH64
|
|
uint64_t a, id;
|
|
__asm__ volatile ( "rdtime.d %0, %1" : "=r"(a), "=r"(id) :: );
|
|
return a;
|
|
#else
|
|
uint32_t a, id;
|
|
__asm__ volatile ( "rdtimel.w %0, %1" : "=r"(a), "=r"(id) :: );
|
|
return (uint64_t)a;
|
|
#endif
|
|
}
|
|
|
|
#endif /* HAVE_INLINE_ASM */
|
|
|
|
#endif /* AVUTIL_LOONGARCH_TIMER_H */
|