source: rtems/c/src/exec/score/inline/rtems/score/wkspace.inl @ 3a4ae6c

4.104.114.84.95
Last change on this file since 3a4ae6c was 3a4ae6c, checked in by Joel Sherrill <joel.sherrill@…>, on 09/11/95 at 19:35:39

The word "RTEMS" almost completely removed from the core.

Configuration Table Template file added and all tests
modified to use this. All gvar.h and conftbl.h files
removed from test directories.

Configuration parameter maximum_devices added.

Core semaphore and mutex handlers added and RTEMS API Semaphore
Manager updated to reflect this.

Initialization sequence changed to invoke API specific initialization
routines. Initialization tasks table now owned by RTEMS Tasks Manager.

Added user extension for post-switch.

Utilized user extensions to implement API specific functionality
like signal dispatching.

Added extensions to the System Initialization Thread so that an
API can register a function to be invoked while the system
is being initialized. These are largely equivalent to the
pre-driver and post-driver hooks.

Added the Modules file oar-go32_p5, modified oar-go32, and modified
the file make/custom/go32.cfg to look at an environment varable which
determines what CPU model is being used.

All BSPs updated to reflect named devices and clock driver's IOCTL
used by the Shared Memory Driver. Also merged clock isr into
main file and removed ckisr.c where possible.

Updated spsize to reflect new and moved variables.

Makefiles for the executive source and include files updated to show
break down of files into Core, RTEMS API, and Neither.

Header and inline files installed into subdirectory based on whether
logically in the Core or a part of the RTEMS API.

  • Property mode set to 100644
File size: 1.8 KB
Line 
1/*  wkspace.inl
2 *
3 *  This include file contains the bodies of the routines which contains
4 *  information related to the RAM Workspace.
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
26STATIC INLINE void _Workspace_Handler_initialization(
27  void       *starting_address,
28  unsigned32  size
29)
30{
31  unsigned32 *zero_out_array;
32  unsigned32  index;
33  unsigned32  memory_available;
34
35  if ( !starting_address || !_Addresses_Is_aligned( starting_address ) )
36    _Internal_error_Occurred(
37      INTERNAL_ERROR_CORE,
38      TRUE,
39      INTERNAL_ERROR_INVALID_WORKSPACE_ADDRESS
40    );
41
42  if ( _CPU_Table.do_zero_of_workspace ) {
43    for( zero_out_array  = (unsigned32 *) starting_address, index = 0 ;
44         index < size / 4 ;
45         index++ )
46      zero_out_array[ index ] = 0;
47  }
48
49  memory_available = _Heap_Initialize(
50    &_Workspace_Area,
51    starting_address,
52    size,
53    CPU_HEAP_ALIGNMENT
54  );
55
56  if ( memory_available == 0 )
57    _Internal_error_Occurred(
58      INTERNAL_ERROR_CORE,
59      TRUE,
60      INTERNAL_ERROR_TOO_LITTLE_WORKSPACE
61    );
62}
63
64/*PAGE
65 *
66 *  _Workspace_Allocate
67 *
68 */
69
70STATIC INLINE void *_Workspace_Allocate(
71  unsigned32 size
72)
73{
74   return _Heap_Allocate( &_Workspace_Area, size );
75}
76
77/*PAGE
78 *
79 *  _Workspace_Free
80 *
81 */
82
83STATIC INLINE boolean _Workspace_Free(
84  void *block
85)
86{
87   return _Heap_Free( &_Workspace_Area, block );
88}
89
90#endif
91/* end of include file */
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