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/**
* @file
*
* @brief Object Get Local
* @ingroup RTEMSScoreObject
*/
/*
* Copyright (c) 2016 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/score/objectimpl.h>
Objects_Control *_Objects_Get(
Objects_Id id,
ISR_lock_Context *lock_context,
const Objects_Information *information
)
{
Objects_Id delta;
Objects_Id maximum_id;
Objects_Id end;
maximum_id = information->maximum_id;
delta = maximum_id - id;
end = _Objects_Get_index( maximum_id );
if ( RTEMS_PREDICT_TRUE( delta < end ) ) {
ISR_Level level;
Objects_Control *the_object;
_ISR_Local_disable( level );
_ISR_lock_Context_set_level( lock_context, level );
the_object =
information->local_table[ end - OBJECTS_INDEX_MINIMUM - delta ];
if ( RTEMS_PREDICT_TRUE( the_object != NULL ) ) {
/* ISR disabled on behalf of caller */
return the_object;
}
_ISR_Local_enable( level );
}
return NULL;
}
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