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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSScoreTOD
*
* @brief This source file contains the implementation of
* _TOD_Set().
*/
/* COPYRIGHT (c) 1989-2007.
* On-Line Applications Research Corporation (OAR).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/score/todimpl.h>
#include <rtems/score/assert.h>
#include <rtems/score/watchdogimpl.h>
Status_Control _TOD_Set(
const struct timespec *tod,
ISR_lock_Context *lock_context
)
{
struct bintime tod_as_bintime;
uint64_t tod_as_ticks;
uint32_t cpu_max;
uint32_t cpu_index;
Status_Control status;
_Assert( _TOD_Is_owner() );
_Assert( _TOD_Is_valid_new_time_of_day( tod ) == STATUS_SUCCESSFUL );
status = _TOD_Hook_Run( TOD_ACTION_SET_CLOCK, tod );
if ( status != STATUS_SUCCESSFUL ) {
_TOD_Release( lock_context );
return status;
}
timespec2bintime( tod, &tod_as_bintime );
_Timecounter_Set_clock( &tod_as_bintime, lock_context );
tod_as_ticks = _Watchdog_Ticks_from_timespec( tod );
cpu_max = _SMP_Get_processor_maximum();
for ( cpu_index = 0 ; cpu_index < cpu_max ; ++cpu_index ) {
Per_CPU_Control *cpu;
Watchdog_Header *header;
ISR_lock_Context lock_context_2;
Watchdog_Control *first;
cpu = _Per_CPU_Get_by_index( cpu_index );
header = &cpu->Watchdog.Header[ PER_CPU_WATCHDOG_REALTIME ];
_ISR_lock_ISR_disable_and_acquire( &cpu->Watchdog.Lock, &lock_context_2 );
first = _Watchdog_Header_first( header );
if ( first != NULL ) {
_Watchdog_Tickle(
header,
first,
tod_as_ticks,
&cpu->Watchdog.Lock,
&lock_context_2
);
}
_ISR_lock_Release_and_ISR_enable( &cpu->Watchdog.Lock, &lock_context_2 );
}
_TOD.is_set = true;
return STATUS_SUCCESSFUL;
}
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