1/* 2 * Copyright (C) 2007 Marc Hoffman 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * FFmpeg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with FFmpeg; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21#ifndef AVUTIL_BFIN_TIMER_H 22#define AVUTIL_BFIN_TIMER_H 23 24#include <stdint.h> 25 26#define AV_READ_TIME read_time 27 28static inline uint64_t read_time(void) 29{ 30 union { 31 struct { 32 unsigned lo; 33 unsigned hi; 34 } p; 35 unsigned long long c; 36 } t; 37 __asm__ volatile ("%0=cycles; %1=cycles2;" : "=d" (t.p.lo), "=d" (t.p.hi)); 38 return t.c; 39} 40 41#endif /* AVUTIL_BFIN_TIMER_H */ 42