source: rtems/cpukit/sapi/src/exinit.c @ d83c90f1

4.11
Last change on this file since d83c90f1 was b99a35a, checked in by Joel Sherrill <joel.sherrill@…>, on Aug 28, 2009 at 6:26:05 PM

2009-08-28 Joel Sherrill <joel.sherrill@…>

  • libcsupport/src/malloc_initialize.c, sapi/src/exinit.c, score/src/threadstartmultitasking.c: Fix spacing.
  • libmisc/stackchk/check.c: Move variable into compiler specific conditional.
  • 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  _Debug_Manager_initialization();
108
109  _API_extensions_Initialization();
110
111  _Thread_Dispatch_initialization();
112
113  /*
114   *  Before this is called, we are not allowed to allocate memory
115   *  from the Workspace because it is not initialized.
116   */
117  _Workspace_Handler_initialization();
118
119  _User_extensions_Handler_initialization();
120  _ISR_Handler_initialization();
121
122  /*
123   * Initialize the internal support API and allocator Mutex
124   */
125  _Objects_Information_table[OBJECTS_INTERNAL_API] = _Internal_Objects;
126
127  _API_Mutex_Initialization( 1 );
128  _API_Mutex_Allocate( &_RTEMS_Allocator_Mutex );
129
130  _Priority_Handler_initialization();
131  _Watchdog_Handler_initialization();
132  _TOD_Handler_initialization();
133
134  _Thread_Handler_initialization();
135
136  #if defined(RTEMS_MULTIPROCESSING)
137    _Objects_MP_Handler_initialization();
138    _MPCI_Handler_initialization( RTEMS_TIMEOUT );
139  #endif
140
141/* MANAGERS */
142
143  _RTEMS_API_Initialize();
144
145  _Extension_Manager_initialization();
146
147  _IO_Manager_initialization();
148
149  #ifdef RTEMS_POSIX_API
150    _POSIX_API_Initialize();
151  #endif
152
153  #ifdef RTEMS_ITRON_API
154    _ITRON_API_Initialize();
155  #endif
156
157  _System_state_Set( SYSTEM_STATE_BEFORE_MULTITASKING );
158
159  /*
160   *  No threads should be created before this point!!!
161   *  _Thread_Executing and _Thread_Heir are not set.
162   *
163   *  At this point all API extensions are in place.  After the call to
164   *  _Thread_Create_idle() _Thread_Executing and _Thread_Heir will be set.
165   */
166  _Thread_Create_idle();
167
168  /*
169   *  Scheduling can properly occur now as long as we avoid dispatching.
170   */
171}
172
173void rtems_initialize_before_drivers(void)
174{
175
176  #if defined(RTEMS_MULTIPROCESSING)
177    _MPCI_Create_server();
178  #endif
179
180  #if defined(FUNCTIONALITY_NOT_CURRENTLY_USED_BY_ANY_API)
181    /*
182     *  Run the API and BSPs predriver hook.
183     */
184    _API_extensions_Run_predriver();
185  #endif
186}
187
188void rtems_initialize_device_drivers(void)
189{
190  /*
191   *  Initialize all the device drivers and initialize the MPCI layer.
192   *
193   *  NOTE:  The MPCI may be build upon a device driver.
194   */
195
196  _IO_Initialize_all_drivers();
197
198  #if defined(RTEMS_MULTIPROCESSING)
199    if ( _System_state_Is_multiprocessing ) {
200      _MPCI_Initialization();
201      _MPCI_Internal_packets_Send_process_packet(
202        MPCI_PACKETS_SYSTEM_VERIFY
203      );
204    }
205  #endif
206
207  /*
208   *  Run the APIs and BSPs postdriver hooks.
209   *
210   *  The API extensions are supposed to create user initialization tasks.
211   */
212  _API_extensions_Run_postdriver();
213}
214
215void rtems_initialize_start_multitasking(void)
216{
217
218  _System_state_Set( SYSTEM_STATE_BEGIN_MULTITASKING );
219
220  _Thread_Start_multitasking();
221
222  /*******************************************************************
223   *******************************************************************
224   *******************************************************************
225   ******                 APPLICATION RUNS HERE                 ******
226   ******            RETURNS WHEN SYSTEM IS SHUT DOWN           ******
227   *******************************************************************
228   *******************************************************************
229   *******************************************************************/
230}
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