[ac7d5ef0] | 1 | /* |
---|
| 2 | * Initialization Manager |
---|
| 3 | * |
---|
[d86ae06] | 4 | * COPYRIGHT (c) 1989-2008. |
---|
[ac7d5ef0] | 5 | * On-Line Applications Research Corporation (OAR). |
---|
| 6 | * |
---|
[98e4ebf5] | 7 | * The license and distribution terms for this file may be |
---|
| 8 | * found in the file LICENSE in this distribution or at |
---|
[2ba508b] | 9 | * http://www.rtems.com/license/LICENSE. |
---|
[ac7d5ef0] | 10 | * |
---|
| 11 | * $Id$ |
---|
| 12 | */ |
---|
| 13 | |
---|
[16351f7a] | 14 | #if HAVE_CONFIG_H |
---|
| 15 | #include "config.h" |
---|
| 16 | #endif |
---|
| 17 | |
---|
[ac7d5ef0] | 18 | /* |
---|
[8486081] | 19 | * SCORE_INIT and SAPI_INIT are defined so all of the super core and |
---|
[c627b2a3] | 20 | * super API data will be included in this object file. |
---|
[ac7d5ef0] | 21 | */ |
---|
| 22 | |
---|
[c627b2a3] | 23 | #define SAPI_INIT |
---|
| 24 | #define SCORE_INIT |
---|
[ac7d5ef0] | 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> |
---|
[5e9b32b] | 33 | #include <rtems/score/sysstate.h> |
---|
[ac7d5ef0] | 34 | |
---|
[5e9b32b] | 35 | #include <rtems/score/apiext.h> |
---|
[a2a8c5b] | 36 | #include <rtems/score/apimutex.h> |
---|
[5e9b32b] | 37 | #include <rtems/score/copyrt.h> |
---|
| 38 | #include <rtems/score/heap.h> |
---|
| 39 | #include <rtems/score/interr.h> |
---|
| 40 | #include <rtems/score/isr.h> |
---|
[97e2729d] | 41 | #if defined(RTEMS_MULTIPROCESSING) |
---|
[5e9b32b] | 42 | #include <rtems/score/mpci.h> |
---|
[97e2729d] | 43 | #endif |
---|
[5e9b32b] | 44 | #include <rtems/score/priority.h> |
---|
[0faa9dad] | 45 | #include <rtems/score/scheduler.h> |
---|
[5e9b32b] | 46 | #include <rtems/score/thread.h> |
---|
| 47 | #include <rtems/score/tod.h> |
---|
| 48 | #include <rtems/score/userext.h> |
---|
| 49 | #include <rtems/score/watchdog.h> |
---|
| 50 | #include <rtems/score/wkspace.h> |
---|
[3a4ae6c] | 51 | |
---|
[ac7d5ef0] | 52 | #include <rtems/sptables.h> |
---|
| 53 | |
---|
[c627b2a3] | 54 | |
---|
[3a4ae6c] | 55 | #include <rtems/rtems/rtemsapi.h> |
---|
[c627b2a3] | 56 | #ifdef RTEMS_POSIX_API |
---|
[aac75d3b] | 57 | #include <rtems/posix/posixapi.h> |
---|
[c627b2a3] | 58 | #endif |
---|
[352c9b2] | 59 | |
---|
[0577ec1d] | 60 | Objects_Information *_Internal_Objects[ OBJECTS_INTERNAL_CLASSES_LAST + 1 ]; |
---|
[3a4ae6c] | 61 | |
---|
[aac75d3b] | 62 | void rtems_initialize_data_structures(void) |
---|
[ac7d5ef0] | 63 | { |
---|
| 64 | /* |
---|
| 65 | * Dispatching and interrupts are disabled until the end of the |
---|
| 66 | * initialization sequence. This prevents an inadvertent context |
---|
| 67 | * switch before the executive is initialized. |
---|
[a0d22251] | 68 | * |
---|
| 69 | * WARNING: Interrupts should have been disabled by the BSP and |
---|
| 70 | * are disabled by boot_card(). |
---|
[ac7d5ef0] | 71 | */ |
---|
| 72 | |
---|
[aac75d3b] | 73 | #if defined(RTEMS_MULTIPROCESSING) |
---|
| 74 | /* |
---|
| 75 | * Initialize the system state based on whether this is an MP system. |
---|
| 76 | * In an MP configuration, internally we view single processor |
---|
| 77 | * systems as a very restricted multiprocessor system. |
---|
| 78 | */ |
---|
| 79 | _Configuration_MP_table = Configuration.User_multiprocessing_table; |
---|
| 80 | |
---|
| 81 | if ( _Configuration_MP_table == NULL ) { |
---|
| 82 | _Configuration_MP_table = |
---|
| 83 | (void *)&_Initialization_Default_multiprocessing_table; |
---|
| 84 | _System_state_Handler_initialization( FALSE ); |
---|
| 85 | } else { |
---|
| 86 | _System_state_Handler_initialization( TRUE ); |
---|
| 87 | } |
---|
| 88 | #else |
---|
[9221838] | 89 | _System_state_Handler_initialization( FALSE ); |
---|
[aac75d3b] | 90 | #endif |
---|
[ac7d5ef0] | 91 | |
---|
[45d107ec] | 92 | /* |
---|
| 93 | * Initialize any target architecture specific support as early as possible |
---|
| 94 | */ |
---|
| 95 | _CPU_Initialize(); |
---|
| 96 | |
---|
[562eab5c] | 97 | #if defined(RTEMS_MULTIPROCESSING) |
---|
| 98 | _Objects_MP_Handler_early_initialization(); |
---|
| 99 | #endif |
---|
| 100 | |
---|
[3a4ae6c] | 101 | /* |
---|
[aac75d3b] | 102 | * Do this as early as possible to ensure no debugging output |
---|
[3a4ae6c] | 103 | * is even attempted to be printed. |
---|
| 104 | */ |
---|
| 105 | _Debug_Manager_initialization(); |
---|
[ac7d5ef0] | 106 | |
---|
[7af35da5] | 107 | _API_extensions_Initialization(); |
---|
| 108 | |
---|
[ac7d5ef0] | 109 | _Thread_Dispatch_initialization(); |
---|
| 110 | |
---|
[f5f4566] | 111 | /* |
---|
| 112 | * Before this is called, we are not allowed to allocate memory |
---|
| 113 | * from the Workspace because it is not initialized. |
---|
| 114 | */ |
---|
[790b50b] | 115 | _Workspace_Handler_initialization(); |
---|
[0451b44] | 116 | |
---|
[790b50b] | 117 | _User_extensions_Handler_initialization(); |
---|
[ac7d5ef0] | 118 | _ISR_Handler_initialization(); |
---|
[0577ec1d] | 119 | |
---|
[70669f28] | 120 | /* |
---|
[790b50b] | 121 | * Initialize the internal support API and allocator Mutex |
---|
[70669f28] | 122 | */ |
---|
[790b50b] | 123 | _Objects_Information_table[OBJECTS_INTERNAL_API] = _Internal_Objects; |
---|
| 124 | |
---|
[70669f28] | 125 | _API_Mutex_Initialization( 1 ); |
---|
[8fd28d83] | 126 | _API_Mutex_Allocate( &_RTEMS_Allocator_Mutex ); |
---|
[70669f28] | 127 | |
---|
[a55e305] | 128 | _Priority_bit_map_Handler_initialization(); |
---|
[ac7d5ef0] | 129 | _Watchdog_Handler_initialization(); |
---|
[790b50b] | 130 | _TOD_Handler_initialization(); |
---|
[ac7d5ef0] | 131 | |
---|
[790b50b] | 132 | _Thread_Handler_initialization(); |
---|
[ac7d5ef0] | 133 | |
---|
[0faa9dad] | 134 | _Scheduler_Handler_initialization(); |
---|
| 135 | |
---|
[aac75d3b] | 136 | #if defined(RTEMS_MULTIPROCESSING) |
---|
[584ab9e] | 137 | _Objects_MP_Handler_initialization(); |
---|
[790b50b] | 138 | _MPCI_Handler_initialization( RTEMS_TIMEOUT ); |
---|
[aac75d3b] | 139 | #endif |
---|
[ac7d5ef0] | 140 | |
---|
[3a4ae6c] | 141 | /* MANAGERS */ |
---|
[ac7d5ef0] | 142 | |
---|
[aac75d3b] | 143 | _RTEMS_API_Initialize(); |
---|
[0577ec1d] | 144 | |
---|
[790b50b] | 145 | _Extension_Manager_initialization(); |
---|
[ac7d5ef0] | 146 | |
---|
[790b50b] | 147 | _IO_Manager_initialization(); |
---|
[ac7d5ef0] | 148 | |
---|
[aac75d3b] | 149 | #ifdef RTEMS_POSIX_API |
---|
| 150 | _POSIX_API_Initialize(); |
---|
| 151 | #endif |
---|
[d4b44877] | 152 | |
---|
[56d34e6] | 153 | _System_state_Set( SYSTEM_STATE_BEFORE_MULTITASKING ); |
---|
| 154 | |
---|
| 155 | /* |
---|
[8486081] | 156 | * No threads should be created before this point!!! |
---|
[a2a8c5b] | 157 | * _Thread_Executing and _Thread_Heir are not set. |
---|
[56d34e6] | 158 | * |
---|
| 159 | * At this point all API extensions are in place. After the call to |
---|
[a2a8c5b] | 160 | * _Thread_Create_idle() _Thread_Executing and _Thread_Heir will be set. |
---|
[56d34e6] | 161 | */ |
---|
| 162 | _Thread_Create_idle(); |
---|
| 163 | |
---|
[a2a8c5b] | 164 | /* |
---|
| 165 | * Scheduling can properly occur now as long as we avoid dispatching. |
---|
| 166 | */ |
---|
[d86ae06] | 167 | } |
---|
[a2a8c5b] | 168 | |
---|
[d86ae06] | 169 | void rtems_initialize_before_drivers(void) |
---|
| 170 | { |
---|
[a2a8c5b] | 171 | |
---|
[aac75d3b] | 172 | #if defined(RTEMS_MULTIPROCESSING) |
---|
| 173 | _MPCI_Create_server(); |
---|
| 174 | #endif |
---|
[ac7d5ef0] | 175 | |
---|
[27b961a] | 176 | #if defined(FUNCTIONALITY_NOT_CURRENTLY_USED_BY_ANY_API) |
---|
| 177 | /* |
---|
| 178 | * Run the API and BSPs predriver hook. |
---|
| 179 | */ |
---|
| 180 | _API_extensions_Run_predriver(); |
---|
| 181 | #endif |
---|
[d86ae06] | 182 | } |
---|
[8486081] | 183 | |
---|
[d86ae06] | 184 | void rtems_initialize_device_drivers(void) |
---|
| 185 | { |
---|
[389fa850] | 186 | /* |
---|
| 187 | * Initialize all the device drivers and initialize the MPCI layer. |
---|
| 188 | * |
---|
| 189 | * NOTE: The MPCI may be build upon a device driver. |
---|
| 190 | */ |
---|
[8486081] | 191 | |
---|
[389fa850] | 192 | _IO_Initialize_all_drivers(); |
---|
[8486081] | 193 | |
---|
[aac75d3b] | 194 | #if defined(RTEMS_MULTIPROCESSING) |
---|
| 195 | if ( _System_state_Is_multiprocessing ) { |
---|
| 196 | _MPCI_Initialization(); |
---|
| 197 | _MPCI_Internal_packets_Send_process_packet( |
---|
| 198 | MPCI_PACKETS_SYSTEM_VERIFY |
---|
| 199 | ); |
---|
| 200 | } |
---|
| 201 | #endif |
---|
[8486081] | 202 | |
---|
[389fa850] | 203 | /* |
---|
| 204 | * Run the APIs and BSPs postdriver hooks. |
---|
| 205 | * |
---|
| 206 | * The API extensions are supposed to create user initialization tasks. |
---|
| 207 | */ |
---|
| 208 | _API_extensions_Run_postdriver(); |
---|
[ac7d5ef0] | 209 | } |
---|
| 210 | |
---|
[d86ae06] | 211 | void rtems_initialize_start_multitasking(void) |
---|
[ac7d5ef0] | 212 | { |
---|
| 213 | |
---|
| 214 | _System_state_Set( SYSTEM_STATE_BEGIN_MULTITASKING ); |
---|
| 215 | |
---|
[f972294d] | 216 | _Thread_Start_multitasking(); |
---|
[ac7d5ef0] | 217 | |
---|
[d86ae06] | 218 | /******************************************************************* |
---|
| 219 | ******************************************************************* |
---|
| 220 | ******************************************************************* |
---|
| 221 | ****** APPLICATION RUNS HERE ****** |
---|
| 222 | ****** RETURNS WHEN SYSTEM IS SHUT DOWN ****** |
---|
| 223 | ******************************************************************* |
---|
| 224 | ******************************************************************* |
---|
| 225 | *******************************************************************/ |
---|
[ac7d5ef0] | 226 | } |
---|