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-rw-r--r--cpukit/score/include/rtems/score/timecounter.h244
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diff --git a/cpukit/score/include/rtems/score/timecounter.h b/cpukit/score/include/rtems/score/timecounter.h
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-/**
- * @file
- *
- * @ingroup ScoreTimecounter
- *
- * @brief Timecounter API
- */
-
-/*
- * Copyright (c) 2015 embedded brains GmbH. All rights reserved.
- *
- * embedded brains GmbH
- * Dornierstr. 4
- * 82178 Puchheim
- * Germany
- * <rtems@embedded-brains.de>
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rtems.org/license/LICENSE.
- */
-
-#ifndef _RTEMS_SCORE_TIMECOUNTER_H
-#define _RTEMS_SCORE_TIMECOUNTER_H
-
-#include <sys/time.h>
-#include <sys/timetc.h>
-#include <machine/_timecounter.h>
-
-#include <rtems/score/isrlock.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-
-/**
- * @defgroup ScoreTimecounter Timecounter Handler
- *
- * @ingroup Score
- *
- * @{
- */
-
-/**
- * @brief Returns the wall clock time in the bintime format.
- *
- * @param[out] bt Returns the wall clock time.
- */
-void _Timecounter_Bintime( struct bintime *bt );
-
-/**
- * @brief Returns the wall clock time in the timespec format.
- *
- * @param[out] ts Returns the wall clock time.
- */
-void _Timecounter_Nanotime( struct timespec *ts );
-
-/**
- * @brief Returns the wall clock time in the timeval format.
- *
- * @param[out] tv Returns the wall clock time.
- */
-void _Timecounter_Microtime( struct timeval *tv );
-
-/**
- * @brief Returns the uptime in the bintime format.
- *
- * @param[out] bt Returns the uptime.
- */
-void _Timecounter_Binuptime( struct bintime *bt );
-
-/**
- * @brief Returns the uptime in the sbintime_t format.
- *
- * @return Returns the uptime.
- */
-sbintime_t _Timecounter_Sbinuptime( void );
-
-/**
- * @brief Returns the uptime in the timespec format.
- *
- * @param[out] ts Returns the uptime.
- */
-void _Timecounter_Nanouptime( struct timespec *ts );
-
-/**
- * @brief Returns the uptime in the timeval format.
- *
- * @param[out] tv Returns the uptime.
- */
-void _Timecounter_Microuptime( struct timeval *tv );
-
-/**
- * @brief Returns the wall clock time in the bintime format.
- *
- * This function obtains the time with a lower overhead and lower accuracy
- * compared to the _Timecounter_Bintime() variant.
- *
- * @param[out] ts Returns the wall clock time.
- */
-void _Timecounter_Getbintime( struct bintime *bt );
-
-/**
- * @brief Returns the wall clock time in the timespec format.
- *
- * This function obtains the time with a lower overhead and lower accuracy
- * compared to the _Timecounter_Nanotime() variant.
- *
- * @param[out] ts Returns the wall clock time.
- *
- * @see _Timecounter_Getbintime().
- */
-void _Timecounter_Getnanotime( struct timespec *ts );
-
-/**
- * @brief Returns the wall clock time in the timeval format.
- *
- * This function obtains the time with a lower overhead and lower accuracy
- * compared to the _Timecounter_Microtime() variant.
- *
- * @param[out] tv Returns the wall clock time.
- *
- * @see _Timecounter_Getbintime().
- */
-void _Timecounter_Getmicrotime( struct timeval *tv );
-
-/**
- * @brief Returns the uptime in the bintime format.
- *
- * This function obtains the time with a lower overhead and lower accuracy
- * compared to the _Timecounter_Binuptime() variant.
- *
- * @param[out] ts Returns the uptime.
- */
-void _Timecounter_Getbinuptime( struct bintime *bt );
-
-/**
- * @brief Returns the uptime in the timespec format.
- *
- * This function obtains the time with a lower overhead and lower accuracy
- * compared to the _Timecounter_Nanouptime() variant.
- *
- * @param[out] ts Returns the uptime.
- */
-void _Timecounter_Getnanouptime( struct timespec *ts );
-
-/**
- * @brief Returns the uptime in the timeval format.
- *
- * This function obtains the time with a lower overhead and lower accuracy
- * compared to the _Timecounter_Microuptime() variant.
- *
- * @param[out] tv Returns the uptime.
- */
-void _Timecounter_Getmicrouptime( struct timeval *tv );
-
-/**
- * @brief Returns the boot time in the timeval format.
- *
- * @param[out] tv Returns the boot time.
- */
-void _Timecounter_Getboottime( struct timeval *tv );
-
-/**
- * @brief Returns the boot time in the bintime format.
- *
- * @param[out] tv Returns the boot time.
- */
-void _Timecounter_Getboottimebin( struct bintime *bt );
-
-/**
- * @brief Installs the timecounter.
- *
- * The timecounter structure must contain valid values in the fields
- * tc_get_timecount, tc_counter_mask, tc_frequency and tc_quality. All other
- * fields must be zero initialized.
- *
- * @param[in] tc The timecounter.
- */
-void _Timecounter_Install( struct timecounter *tc );
-
-/**
- * @brief Performs a timecounter tick.
- */
-void _Timecounter_Tick( void );
-
-/**
- * @brief Lock to protect the timecounter mechanic.
- */
-ISR_LOCK_DECLARE( extern, _Timecounter_Lock )
-
-/**
- * @brief Acquires the timecounter lock.
- *
- * @param[in] lock_context The lock context.
- *
- * See _Timecounter_Tick_simple().
- */
-#define _Timecounter_Acquire( lock_context ) \
- _ISR_lock_ISR_disable_and_acquire( &_Timecounter_Lock, lock_context )
-
-/**
- * @brief Performs a simple timecounter tick.
- *
- * This is a special purpose tick function for simple timecounter to support
- * legacy clock drivers.
- *
- * @param[in] delta The time in timecounter ticks elapsed since the last call
- * to _Timecounter_Tick_simple().
- * @param[in] offset The current value of the timecounter.
- * @param[in] lock_context The lock context of the corresponding
- * _Timecounter_Acquire().
- */
-void _Timecounter_Tick_simple(
- uint32_t delta,
- uint32_t offset,
- ISR_lock_Context *lock_context
-);
-
-/**
- * @brief The wall clock time in seconds.
- */
-extern volatile time_t _Timecounter_Time_second;
-
-/**
- * @brief The uptime in seconds.
- *
- * For compatibility with the FreeBSD network stack the initial value is one
- * second.
- */
-extern volatile int32_t _Timecounter_Time_uptime;
-
-/**
- * @brief The current timecounter.
- */
-extern struct timecounter *_Timecounter;
-
-/** @} */
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-#endif /* _RTEMS_SCORE_TIMECOUNTER_H */