source: rtems/cpukit/score/macros/rtems/score/wkspace.inl @ d57392d

4.104.114.84.95
Last change on this file since d57392d was d57392d, checked in by Joel Sherrill <joel.sherrill@…>, on Feb 8, 1996 at 4:18:38 PM

alignment on workspace changed from CPU_ALIGNMENT to CPU_HEAP_ALIGNMENT

  • Property mode set to 100644
File size: 1.8 KB
Line 
1/*  wkspace.inl
2 *
3 *  This file contains the macro implementation of the inlined routines
4 *  from the RAM Workspace Handler.
5 *
6 *  COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
7 *  On-Line Applications Research Corporation (OAR).
8 *  All rights assigned to U.S. Government, 1994.
9 *
10 *  This material may be reproduced by or for the U.S. Government pursuant
11 *  to the copyright license under the clause at DFARS 252.227-7013.  This
12 *  notice must appear in all copies of this file and its derivatives.
13 *
14 *  $Id$
15 */
16
17#ifndef __WORKSPACE_inl
18#define __WORKSPACE_inl
19
20/*PAGE
21 *
22 *  _Workspace_Handler_initialization
23 *
24 */
25
26#define _Workspace_Handler_initialization( _starting_address, _size ) \
27{ \
28  unsigned32 *zero_out_array; \
29  unsigned32  index; \
30  unsigned32  memory_available; \
31  \
32  if ( !(_starting_address) || !_Addresses_Is_aligned( (_starting_address) ) ) \
33    _Internal_error_Occurred( \
34      INTERNAL_ERROR_CORE, \
35      TRUE, \
36      INTERNAL_ERROR_INVALID_WORKSPACE_ADDRESS \
37    ); \
38  \
39  if ( _CPU_Table.do_zero_of_workspace ) { \
40    for( zero_out_array  = (unsigned32 *) (_starting_address), index = 0 ; \
41         index < (_size) / 4 ; \
42         index++ ) \
43      zero_out_array[ index ] = 0; \
44  } \
45  \
46  memory_available =  _Heap_Initialize( \
47    &_Workspace_Area, \
48    (_starting_address), \
49    (_size), \
50    CPU_HEAP_ALIGNMENT \
51  ); \
52  \
53  if ( memory_available == 0 ) \
54    _Internal_error_Occurred( \
55      INTERNAL_ERROR_CORE, \
56      TRUE, \
57      INTERNAL_ERROR_TOO_LITTLE_WORKSPACE \
58    ); \
59}
60
61/*PAGE
62 *
63 *  _Workspace_Allocate
64 *
65 */
66
67#define _Workspace_Allocate( _size ) \
68   _Heap_Allocate( &_Workspace_Area, (_size) )
69
70/*PAGE
71 *
72 *  _Workspace_Free
73 *
74 */
75
76#define _Workspace_Free( _block ) \
77   _Heap_Free( &_Workspace_Area, (_block) )
78
79#endif
80/* end of include file */
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