mirror of
https://github.com/yuzu-emu/mbedtls
synced 2024-11-25 11:28:56 +00:00
75 lines
1.9 KiB
C
75 lines
1.9 KiB
C
/**
|
|
* \file timing.h
|
|
*
|
|
* \brief Portable interface to the CPU cycle counter
|
|
*
|
|
* Copyright (C) 2006-2010, Brainspark B.V.
|
|
*
|
|
* This file is part of PolarSSL (http://www.polarssl.org)
|
|
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
|
|
*
|
|
* 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 POLARSSL_TIMING_H
|
|
#define POLARSSL_TIMING_H
|
|
|
|
/**
|
|
* \brief timer structure
|
|
*/
|
|
struct hr_time
|
|
{
|
|
unsigned char opaque[32];
|
|
};
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
extern volatile int alarmed;
|
|
|
|
/**
|
|
* \brief Return the CPU cycle counter value
|
|
*/
|
|
unsigned long hardclock( void );
|
|
|
|
/**
|
|
* \brief Return the elapsed time in milliseconds
|
|
*
|
|
* \param val points to a timer structure
|
|
* \param reset if set to 1, the timer is restarted
|
|
*/
|
|
unsigned long get_timer( struct hr_time *val, int reset );
|
|
|
|
/**
|
|
* \brief Setup an alarm clock
|
|
*
|
|
* \param seconds delay before the "alarmed" flag is set
|
|
*/
|
|
void set_alarm( int seconds );
|
|
|
|
/**
|
|
* \brief Sleep for a certain amount of time
|
|
*
|
|
* \param milliseconds delay in milliseconds
|
|
*/
|
|
void m_sleep( int milliseconds );
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* timing.h */
|