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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.OARcorp.com/rtems/license.html.
*
* $Id$
*/
#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,
unsigned32 size
)
{
unsigned32 *zero_out_array;
unsigned32 index;
unsigned32 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 = (unsigned32 *) starting_address, index = 0 ;
index < size / sizeof( unsigned32 ) ;
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(
unsigned32 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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