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* arch/arm/cpu/armv8/txl/firmware/bl21/timer.h
* Copyright (C) 2015 Amlogic, Inc. All rights reserved.
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program 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 General Public License for
* more details.
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#ifndef __TIMER_H
#define __TIMER_H
* Get the current timestamp from the system timer.
unsigned int get_time(void);
* Busy-wait.
* @param us Number of microseconds to delay.
void _udelay(unsigned int us);
* time counter
* usage:
* timer_start();
* func(); //func that you want measure time consumption
* timer_end("func"); //will print "func Time: xxxx us"
//void timer_start(void);
//void timer_end(const char * name);
#endif /* __TIMER_H */