source: rtems/c/src/exec/sapi/include/rtems/config.h @ 0fab6dde

4.104.114.84.95
Last change on this file since 0fab6dde was 968f7742, checked in by Joel Sherrill <joel.sherrill@…>, on Nov 5, 1999 at 5:45:55 PM

Fixed typo.

  • Property mode set to 100644
File size: 5.4 KB
Line 
1/*  config.h
2 *
3 *  This include file contains the table of user defined configuration
4 *  parameters.
5 *
6 *  COPYRIGHT (c) 1989-1998.
7 *  On-Line Applications Research Corporation (OAR).
8 *  Copyright assigned to U.S. Government, 1994.
9 *
10 *  The license and distribution terms for this file may be
11 *  found in the file LICENSE in this distribution or at
12 *  http://www.OARcorp.com/rtems/license.html.
13 *
14 *  $Id$
15 */
16
17#ifndef __RTEMS_CONFIGURATION_h
18#define __RTEMS_CONFIGURATION_h
19
20#ifdef __cplusplus
21extern "C" {
22#endif
23
24/*
25 *  Unlimited object support. Changes the configuration table entry for POSIX
26 *  or RTEMS APIs to bounded only by the memory of the work-space.
27 *
28 *  Use the macro to define the resource unlimited before placing in the configuration
29 *  table.
30 */
31
32#include <rtems/score/object.h>
33#define RTEMS_UNLIMITED_OBJECTS OBJECTS_UNLIMITED_OBJECTS
34 
35#define rtems_resource_unlimited(resource) \
36  ( resource | RTEMS_UNLIMITED_OBJECTS )
37   
38/*
39 *  This is kind of kludgy but it allows targets to totally ignore the
40 *  POSIX API safely.
41 */
42
43#ifdef RTEMS_POSIX_API
44#include <rtems/posix/config.h>
45#else
46
47typedef void *posix_api_configuration_table;
48#endif
49
50#include <rtems/rtems/config.h>
51
52/*  XXX <rtems/rtems/config.h> should cover these
53#include <rtems/rtems/status.h>
54#include <rtems/rtems/types.h>
55#include <rtems/rtems/tasks.h>
56*/
57
58#include <rtems/extension.h>
59#include <rtems/io.h>
60#if defined(RTEMS_MULTIPROCESSING)
61#include <rtems/score/mpci.h>
62#endif
63
64/*
65 *  The following records define the Multiprocessor Configuration
66 *  Table.  This table defines the multiprocessor system
67 *  characteristics which must be known by RTEMS in a multiprocessor
68 *  system.
69 */
70
71typedef struct {
72  unsigned32    node;                   /* local node number */
73  unsigned32    maximum_nodes;          /* maximum # nodes in system */
74  unsigned32    maximum_global_objects; /* maximum # global objects */
75  unsigned32    maximum_proxies;        /* maximum # proxies */
76#if defined(RTEMS_MULTIPROCESSING)
77  MPCI_Control *User_mpci_table;        /* pointer to MPCI table */
78#else
79  void         *User_mpci_table;        /* pointer to MPCI table */
80#endif
81} rtems_multiprocessing_table;
82
83/*
84 *  The following records define the Configuration Table.  The
85 *  information contained in this table is required in all
86 *  RTEMS systems, whether single or multiprocessor.  This
87 *  table primarily defines the following:
88 *
89 *     + location and size of the RTEMS Workspace
90 *     + microseconds per clock tick
91 *     + clock ticks per task timeslice
92 *     + required number of each object type for each API configured
93 */
94
95typedef struct {
96  void                             *work_space_start;
97  unsigned32                        work_space_size;
98  unsigned32                        maximum_extensions;
99  unsigned32                        microseconds_per_tick;
100  unsigned32                        ticks_per_timeslice;
101  unsigned32                        maximum_devices;
102  unsigned32                        number_of_device_drivers;
103  rtems_driver_address_table       *Device_driver_table;
104  unsigned32                        number_of_initial_extensions;
105  rtems_extensions_table           *User_extension_table;
106  rtems_multiprocessing_table      *User_multiprocessing_table;
107  rtems_api_configuration_table    *RTEMS_api_configuration;
108  posix_api_configuration_table    *POSIX_api_configuration;
109} rtems_configuration_table;
110
111/*
112 *  The following are provided strictly for the convenience of
113 *  the user.  They are not used in RTEMS itself.
114 */
115
116SAPI_EXTERN rtems_configuration_table    *_Configuration_Table;
117SAPI_EXTERN rtems_multiprocessing_table  *_Configuration_MP_table;
118
119/*
120 *  Some handy macros to avoid dependencies on either the BSP
121 *  or the exact format of the configuration table.
122 */
123
124#define rtems_configuration_get_table() \
125        (&_Configuration_Table)
126
127#define rtems_configuration_get_work_space_start() \
128        (_Configuration_Table->work_space_start)
129
130#define rtems_configuration_get_work_space_size() \
131        (_Configuration_Table->work_space_size)
132
133#define rtems_configuration_get_maximum_extensions() \
134        (_Configuration_Table->maximum_extensions)
135
136#define rtems_configuration_get_microseconds_per_tick() \
137        (_Configuration_Table->microseconds_per_tick)
138#define rtems_configuration_get_milliseconds_per_tick() \
139        (_Configuration_Table->microseconds_per_tick / 1000)
140
141#define rtems_configuration_get_ticks_per_timeslice() \
142        (_Configuration_Table->ticks_per_timeslice)
143
144#define rtems_configuration_get_maximum_devices() \
145        (_Configuration_Table->maximum_devices)
146
147#define rtems_configuration_get_number_of_device_drivers() \
148        (_Configuration_Table->number_of_device_drivers)
149
150#define rtems_configuration_get_device_driver_table() \
151        (_Configuration_Table->device_driver_table)
152
153#define rtems_configuration_get_number_of_initial_extensions() \
154        (_Configuration_Table->number_of_initial_extensions)
155
156#define rtems_configuration_get_user_extension_table() \
157        (_Configuration_Table->user_extension_table)
158
159#define rtems_configuration_get_user_multiprocessing_table() \
160        (_Configuration_Table->User_multiprocessing_table)
161
162#define rtems_configuration_get_rtems_api_configuration() \
163        (_Configuration_Table->RTEMS_api_configuration)
164
165#define rtems_configuration_get_posix_api_configuration() \
166        (_Configuration_Table->POSIX_api_configuration)
167
168#ifdef __cplusplus
169}
170#endif
171
172#endif
173/* end of include file */
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