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/*
* Workspace Handler
*
* XXX
*
* NOTE:
*
* COPYRIGHT (c) 1989-1999.
* 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.com/license/LICENSE.
*
* $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/system.h>
#include <rtems/score/wkspace.h>
#include <rtems/score/interr.h>
/*PAGE
*
* _Workspace_Handler_initialization
*/
void _Workspace_Handler_initialization(
void *starting_address,
uint32_t size
)
{
uint32_t *zero_out_array;
uint32_t index;
uint32_t memory_available;
if ( !starting_address || !_Addresses_Is_aligned( starting_address ) )
_Internal_error_Occurred(
INTERNAL_ERROR_CORE,
TRUE,
INTERNAL_ERROR_INVALID_WORKSPACE_ADDRESS
);
if ( _CPU_Table.do_zero_of_workspace ) {
for( zero_out_array = (uint32_t *) starting_address, index = 0 ;
index < size / sizeof( uint32_t ) ;
index++ )
zero_out_array[ index ] = 0;
}
memory_available = _Heap_Initialize(
&_Workspace_Area,
starting_address,
size,
CPU_HEAP_ALIGNMENT
);
if ( memory_available == 0 )
_Internal_error_Occurred(
INTERNAL_ERROR_CORE,
TRUE,
INTERNAL_ERROR_TOO_LITTLE_WORKSPACE
);
}
/*PAGE
*
* _Workspace_Allocate_or_fatal_error
*
*/
void *_Workspace_Allocate_or_fatal_error(
uint32_t size
)
{
void *memory;
memory = _Workspace_Allocate( size );
if ( memory == NULL )
_Internal_error_Occurred(
INTERNAL_ERROR_CORE,
TRUE,
INTERNAL_ERROR_WORKSPACE_ALLOCATION
);
return memory;
}
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