diff options
Diffstat (limited to 'libavutil/bfin/timer.h')
-rw-r--r-- | libavutil/bfin/timer.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/libavutil/bfin/timer.h b/libavutil/bfin/timer.h new file mode 100644 index 0000000000..644573daec --- /dev/null +++ b/libavutil/bfin/timer.h @@ -0,0 +1,41 @@ +/* + * Copyright (C) 2007 Marc Hoffman + * + * 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_BFIN_TIMER_H +#define AVUTIL_BFIN_TIMER_H + +#include <stdint.h> + +#define AV_READ_TIME read_time + +static inline uint64_t read_time(void) +{ + union { + struct { + unsigned lo; + unsigned hi; + } p; + unsigned long long c; + } t; + __asm__ volatile ("%0=cycles; %1=cycles2;" : "=d" (t.p.lo), "=d" (t.p.hi)); + return t.c; +} + +#endif /* AVUTIL_BFIN_TIMER_H */ |