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/**
* @file
*
* @brief RTEMS Partition Create
* @ingroup ClassicPart Partitions
*/
/*
* COPYRIGHT (c) 1989-2014.
* On-Line Applications Research Corporation (OAR).
*
* 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.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/rtems/partimpl.h>
#include <rtems/rtems/attrimpl.h>
#include <rtems/rtems/support.h>
#include <rtems/score/threaddispatch.h>
#include <rtems/score/sysstate.h>
#include <rtems/sysinit.h>
rtems_status_code rtems_partition_create(
rtems_name name,
void *starting_address,
uintptr_t length,
size_t buffer_size,
rtems_attribute attribute_set,
rtems_id *id
)
{
Partition_Control *the_partition;
if ( !rtems_is_name_valid( name ) )
return RTEMS_INVALID_NAME;
if ( !starting_address )
return RTEMS_INVALID_ADDRESS;
if ( !id )
return RTEMS_INVALID_ADDRESS;
if ( length == 0 )
return RTEMS_INVALID_SIZE;
if ( buffer_size == 0 )
return RTEMS_INVALID_SIZE;
if ( length < buffer_size )
return RTEMS_INVALID_SIZE;
if ( !_Partition_Is_buffer_size_aligned( buffer_size ) )
return RTEMS_INVALID_SIZE;
if ( buffer_size < sizeof( Chain_Node ) )
return RTEMS_INVALID_SIZE;
if ( !_Partition_Is_buffer_area_aligned( starting_address ) )
return RTEMS_INVALID_ADDRESS;
#if defined(RTEMS_MULTIPROCESSING)
if ( _Attributes_Is_global( attribute_set ) &&
!_System_state_Is_multiprocessing )
return RTEMS_MP_NOT_CONFIGURED;
#endif
the_partition = _Partition_Allocate();
if ( !the_partition ) {
_Objects_Allocator_unlock();
return RTEMS_TOO_MANY;
}
#if defined(RTEMS_MULTIPROCESSING)
if ( _Attributes_Is_global( attribute_set ) &&
!( _Objects_MP_Allocate_and_open( &_Partition_Information, name,
the_partition->Object.id, false ) ) ) {
_Partition_Free( the_partition );
_Objects_Allocator_unlock();
return RTEMS_TOO_MANY;
}
#endif
_Partition_Initialize(
the_partition,
starting_address,
length,
buffer_size,
attribute_set
);
_Objects_Open(
&_Partition_Information,
&the_partition->Object,
(Objects_Name) name
);
*id = the_partition->Object.id;
#if defined(RTEMS_MULTIPROCESSING)
if ( _Attributes_Is_global( attribute_set ) )
_Partition_MP_Send_process_packet(
PARTITION_MP_ANNOUNCE_CREATE,
the_partition->Object.id,
name,
0 /* Not used */
);
#endif
_Objects_Allocator_unlock();
return RTEMS_SUCCESSFUL;
}
static void _Partition_Manager_initialization(void)
{
_Objects_Initialize_information( &_Partition_Information );
/*
* Register the MP Process Packet routine.
*/
#if defined(RTEMS_MULTIPROCESSING)
_MPCI_Register_packet_processor(
MP_PACKET_PARTITION,
_Partition_MP_Process_packet
);
#endif
}
RTEMS_SYSINIT_ITEM(
_Partition_Manager_initialization,
RTEMS_SYSINIT_CLASSIC_PARTITION,
RTEMS_SYSINIT_ORDER_MIDDLE
);
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