source: rtems/cpukit/sapi/src/exinit.c @ 562eab5c

4.104.11
Last change on this file since 562eab5c was 562eab5c, checked in by Joel Sherrill <joel.sherrill@…>, on Jul 3, 2009 at 3:13:47 PM

2009-07-03 Daniel Hellstrom <daniel@…>

  • sapi/src/exinit.c, score/include/rtems/score/objectmp.h, score/src/objectmp.c: Ensure local node number is set early enough in MP configurations.
  • Property mode set to 100644
File size: 5.8 KB
Line 
1/*
2 *  Initialization Manager
3 *
4 *  COPYRIGHT (c) 1989-2008.
5 *  On-Line Applications Research Corporation (OAR).
6 *
7 *  The license and distribution terms for this file may be
8 *  found in the file LICENSE in this distribution or at
9 *  http://www.rtems.com/license/LICENSE.
10 *
11 *  $Id$
12 */
13
14#if HAVE_CONFIG_H
15#include "config.h"
16#endif
17
18/*
19 *  SCORE_INIT and SAPI_INIT are defined so all of the super core and
20 *  super API data will be included in this object file.
21 */
22
23#define SAPI_INIT
24#define SCORE_INIT
25
26#include <rtems/system.h>
27#include <rtems/config.h>
28#include <rtems/debug.h>
29#include <rtems/extension.h>
30#include <rtems/fatal.h>
31#include <rtems/init.h>
32#include <rtems/io.h>
33#include <rtems/score/sysstate.h>
34
35#include <rtems/score/apiext.h>
36#include <rtems/score/apimutex.h>
37#include <rtems/score/copyrt.h>
38#include <rtems/score/heap.h>
39#include <rtems/score/interr.h>
40#include <rtems/score/isr.h>
41#if defined(RTEMS_MULTIPROCESSING)
42#include <rtems/score/mpci.h>
43#endif
44#include <rtems/score/priority.h>
45#include <rtems/score/thread.h>
46#include <rtems/score/tod.h>
47#include <rtems/score/userext.h>
48#include <rtems/score/watchdog.h>
49#include <rtems/score/wkspace.h>
50
51#include <rtems/sptables.h>
52
53
54#include <rtems/rtems/rtemsapi.h>
55#ifdef RTEMS_POSIX_API
56  #include <rtems/posix/posixapi.h>
57#endif
58#ifdef RTEMS_ITRON_API
59  #include <rtems/itron/itronapi.h>
60#endif
61
62Objects_Information *_Internal_Objects[ OBJECTS_INTERNAL_CLASSES_LAST + 1 ];
63
64void rtems_initialize_data_structures(void)
65{
66  /*
67   *  Dispatching and interrupts are disabled until the end of the
68   *  initialization sequence.  This prevents an inadvertent context
69   *  switch before the executive is initialized.
70   *
71   *  WARNING: Interrupts should have been disabled by the BSP and
72   *           are disabled by boot_card().
73   */
74
75  #if defined(RTEMS_MULTIPROCESSING)
76    /*
77     *  Initialize the system state based on whether this is an MP system.
78     *  In an MP configuration, internally we view single processor
79     *  systems as a very restricted multiprocessor system.
80     */
81    _Configuration_MP_table = Configuration.User_multiprocessing_table;
82
83    if ( _Configuration_MP_table == NULL ) {
84      _Configuration_MP_table =
85        (void *)&_Initialization_Default_multiprocessing_table;
86      _System_state_Handler_initialization( FALSE );
87    } else {
88      _System_state_Handler_initialization( TRUE );
89    }
90  #else
91    _System_state_Handler_initialization( FALSE );
92  #endif
93
94  /*
95   * Initialize any target architecture specific support as early as possible
96   */
97  _CPU_Initialize();
98
99  #if defined(RTEMS_MULTIPROCESSING)
100    _Objects_MP_Handler_early_initialization();
101  #endif
102
103  /*
104   *  Do this as early as possible to ensure no debugging output
105   *  is even attempted to be printed.
106   */
107
108  _Debug_Manager_initialization();
109
110  _API_extensions_Initialization();
111
112  _Thread_Dispatch_initialization();
113
114  /*
115   *  Before this is called, we are not allowed to allocate memory
116   *  from the Workspace because it is not initialized.
117   */
118  _Workspace_Handler_initialization();
119
120  _User_extensions_Handler_initialization();
121  _ISR_Handler_initialization();
122
123  /*
124   * Initialize the internal support API and allocator Mutex
125   */
126  _Objects_Information_table[OBJECTS_INTERNAL_API] = _Internal_Objects;
127
128  _API_Mutex_Initialization( 1 );
129  _API_Mutex_Allocate( &_RTEMS_Allocator_Mutex );
130
131  _Priority_Handler_initialization();
132  _Watchdog_Handler_initialization();
133  _TOD_Handler_initialization();
134
135  _Thread_Handler_initialization();
136
137  #if defined(RTEMS_MULTIPROCESSING)
138    _Objects_MP_Handler_initialization();
139    _MPCI_Handler_initialization( RTEMS_TIMEOUT );
140  #endif
141
142/* MANAGERS */
143
144  _RTEMS_API_Initialize();
145
146  _Extension_Manager_initialization();
147
148  _IO_Manager_initialization();
149
150  #ifdef RTEMS_POSIX_API
151    _POSIX_API_Initialize();
152  #endif
153
154  #ifdef RTEMS_ITRON_API
155    _ITRON_API_Initialize();
156  #endif
157
158  _System_state_Set( SYSTEM_STATE_BEFORE_MULTITASKING );
159
160  /*
161   *  No threads should be created before this point!!!
162   *  _Thread_Executing and _Thread_Heir are not set.
163   *
164   *  At this point all API extensions are in place.  After the call to
165   *  _Thread_Create_idle() _Thread_Executing and _Thread_Heir will be set.
166   */
167
168  _Thread_Create_idle();
169
170  /*
171   *  Scheduling can properly occur now as long as we avoid dispatching.
172   */
173}
174
175void rtems_initialize_before_drivers(void)
176{
177
178  #if defined(RTEMS_MULTIPROCESSING)
179    _MPCI_Create_server();
180  #endif
181
182  /*
183   *  Run the API and BSPs predriver hook.
184   */
185
186  _API_extensions_Run_predriver();
187
188}
189
190void rtems_initialize_device_drivers(void)
191{
192  /*
193   *  Initialize all the device drivers and initialize the MPCI layer.
194   *
195   *  NOTE:  The MPCI may be build upon a device driver.
196   */
197
198  _IO_Initialize_all_drivers();
199
200  #if defined(RTEMS_MULTIPROCESSING)
201    if ( _System_state_Is_multiprocessing ) {
202      _MPCI_Initialization();
203      _MPCI_Internal_packets_Send_process_packet(
204        MPCI_PACKETS_SYSTEM_VERIFY
205      );
206    }
207  #endif
208
209  /*
210   *  Run the APIs and BSPs postdriver hooks.
211   *
212   *  The API extensions are supposed to create user initialization tasks.
213   */
214
215  _API_extensions_Run_postdriver();
216}
217
218void rtems_initialize_start_multitasking(void)
219{
220
221  _System_state_Set( SYSTEM_STATE_BEGIN_MULTITASKING );
222
223  _Thread_Start_multitasking();
224
225  /*******************************************************************
226   *******************************************************************
227   *******************************************************************
228   ******                 APPLICATION RUNS HERE                 ******
229   ******            RETURNS WHEN SYSTEM IS SHUT DOWN           ******
230   *******************************************************************
231   *******************************************************************
232   *******************************************************************/
233}
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