| |
| /* |
| * arch/arm/cpu/armv8/gxb/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 */ |