forked from Imagelibrary/rtems
77 lines
2.0 KiB
C
77 lines
2.0 KiB
C
/**
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* @file
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*
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* @ingroup RTEMSScoreObject
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*
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* @brief This source file contains the implementation of
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* _Objects_Initialize_information().
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*/
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/*
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* COPYRIGHT (c) 1989-2011.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <rtems/score/objectimpl.h>
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#include <rtems/score/address.h>
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#include <rtems/score/chainimpl.h>
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#include <rtems/score/interr.h>
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#include <rtems/score/sysstate.h>
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void _Objects_Initialize_information(
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Objects_Information *information
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)
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{
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Objects_Id maximum_id;
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Objects_Id api_class_and_node;
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Objects_Maximum maximum;
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Objects_Maximum index;
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Chain_Node *head;
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Chain_Node *tail;
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Chain_Node *current;
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Objects_Control *next;
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maximum_id = information->maximum_id;
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#if defined(RTEMS_MULTIPROCESSING)
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maximum_id &= ~OBJECTS_NODE_MASK;
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maximum_id |= _Objects_Local_node << OBJECTS_NODE_START_BIT;
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information->maximum_id = maximum_id;
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#endif
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maximum = _Objects_Get_index( maximum_id );
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api_class_and_node = maximum_id & ~OBJECTS_INDEX_MASK;
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/*
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* Register this Object Class in the Object Information Table.
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*/
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_Objects_Information_table[ _Objects_Get_API( maximum_id ) ]
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[ _Objects_Get_class( maximum_id ) ] = information;
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head = _Chain_Head( &information->Inactive );
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tail = _Chain_Tail( &information->Inactive );
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current = head;
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next = information->initial_objects;
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head->previous = NULL;
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for ( index = OBJECTS_INDEX_MINIMUM; index <= maximum ; ++index ) {
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current->next = &next->Node;
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next->Node.previous = current;
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current = &next->Node;
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next->id = api_class_and_node | ( index << OBJECTS_INDEX_START_BIT );
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next = _Addresses_Add_offset( next, information->object_size );
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}
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current->next = tail;
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tail->previous = current;
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}
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