00001 /* 00002 * Copyright (C) 2007 Marc Hoffman 00003 * 00004 * This file is part of FFmpeg. 00005 * 00006 * FFmpeg is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU Lesser General Public 00008 * License as published by the Free Software Foundation; either 00009 * version 2.1 of the License, or (at your option) any later version. 00010 * 00011 * FFmpeg is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 * Lesser General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU Lesser General Public 00017 * License along with FFmpeg; if not, write to the Free Software 00018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00019 */ 00020 00021 #ifndef AVUTIL_BFIN_TIMER_H 00022 #define AVUTIL_BFIN_TIMER_H 00023 00024 #include <stdint.h> 00025 00026 #define AV_READ_TIME read_time 00027 00028 static inline uint64_t read_time(void) 00029 { 00030 union { 00031 struct { 00032 unsigned lo; 00033 unsigned hi; 00034 } p; 00035 unsigned long long c; 00036 } t; 00037 __asm__ volatile ("%0=cycles; %1=cycles2;" : "=d" (t.p.lo), "=d" (t.p.hi)); 00038 return t.c; 00039 } 00040 00041 #endif /* AVUTIL_BFIN_TIMER_H */
1.5.8