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/* wkspace.inl
*
* This file contains the macro implementation of the inlined routines
* from the RTEMS RAM Workspace Handler.
*
* COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
* On-Line Applications Research Corporation (OAR).
* All rights assigned to U.S. Government, 1994.
*
* This material may be reproduced by or for the U.S. Government pursuant
* to the copyright license under the clause at DFARS 252.227-7013. This
* notice must appear in all copies of this file and its derivatives.
*
* $Id$
*/
#ifndef __WORKSPACE_inl
#define __WORKSPACE_inl
#include <rtems/heap.h>
#include <rtems/fatal.h>
#include <rtems/status.h>
/*PAGE
*
* _Workspace_Handler_initialization
*
*/
#define _Workspace_Handler_initialization( _starting_address, _size ) \
{ \
unsigned32 *zero_out_array; \
unsigned32 index; \
unsigned32 memory_available; \
\
if ( ((_starting_address) == NULL) || \
!_Addresses_Is_aligned( (_starting_address) ) ) \
rtems_fatal_error_occurred( RTEMS_INVALID_ADDRESS ); \
\
if ( _CPU_Table.do_zero_of_workspace ) { \
for( zero_out_array = (unsigned32 *) (_starting_address), index = 0 ; \
index < (_size) / 4 ; \
index++ ) \
zero_out_array[ index ] = 0; \
} \
\
memory_available = _Heap_Initialize( \
&_Workspace_Area, \
(_starting_address), \
(_size), \
CPU_ALIGNMENT \
); \
\
if ( memory_available == 0 ) \
rtems_fatal_error_occurred( RTEMS_UNSATISFIED ); \
}
/*PAGE
*
* _Workspace_Allocate
*
*/
#define _Workspace_Allocate( _size ) \
_Heap_Allocate( &_Workspace_Area, (_size) )
/*PAGE
*
* _Workspace_Allocate_or_fatal_error
*
* NOTE: XXX FIX ME
*
* When not using static inlines, this should really be a function
* somewhere.
*/
static inline void _Workspace_Allocate_or_fatal_error(
unsigned32 size
)
{
void *memory;
memory = _Workspace_Allocate( size );
if ( memory == NULL )
rtems_fatal_error_occurred( RTEMS_UNSATISFIED );
return memory;
}
/*PAGE
*
* _Workspace_Free
*
*/
#define _Workspace_Free( _block ) \
_Heap_Free( &_Workspace_Area, (_block) )
#endif
/* end of include file */
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