[4c98a3e] | 1 | /** |
---|
| 2 | * @file |
---|
| 3 | * |
---|
[e6c87f7] | 4 | * @brief Initialization Manager |
---|
[4c98a3e] | 5 | * |
---|
| 6 | * @ingroup ClassicRTEMS |
---|
| 7 | */ |
---|
| 8 | |
---|
[ac7d5ef0] | 9 | /* |
---|
[e6c87f7] | 10 | * COPYRIGHT (c) 1989-2014. |
---|
[ac7d5ef0] | 11 | * On-Line Applications Research Corporation (OAR). |
---|
| 12 | * |
---|
[98e4ebf5] | 13 | * The license and distribution terms for this file may be |
---|
| 14 | * found in the file LICENSE in this distribution or at |
---|
[2ba508b] | 15 | * http://www.rtems.com/license/LICENSE. |
---|
[ac7d5ef0] | 16 | */ |
---|
| 17 | |
---|
[16351f7a] | 18 | #if HAVE_CONFIG_H |
---|
| 19 | #include "config.h" |
---|
| 20 | #endif |
---|
| 21 | |
---|
[ac7d5ef0] | 22 | /* |
---|
[8486081] | 23 | * SCORE_INIT and SAPI_INIT are defined so all of the super core and |
---|
[c627b2a3] | 24 | * super API data will be included in this object file. |
---|
[ac7d5ef0] | 25 | */ |
---|
| 26 | |
---|
[c627b2a3] | 27 | #define SAPI_INIT |
---|
| 28 | #define SCORE_INIT |
---|
[ac7d5ef0] | 29 | |
---|
| 30 | #include <rtems/system.h> |
---|
| 31 | #include <rtems/config.h> |
---|
| 32 | #include <rtems/debug.h> |
---|
[ac252bdc] | 33 | #include <rtems/extensionimpl.h> |
---|
[ac7d5ef0] | 34 | #include <rtems/init.h> |
---|
| 35 | #include <rtems/io.h> |
---|
[5e9b32b] | 36 | #include <rtems/score/sysstate.h> |
---|
[ac7d5ef0] | 37 | |
---|
[5e9b32b] | 38 | #include <rtems/score/apiext.h> |
---|
[a2a8c5b] | 39 | #include <rtems/score/apimutex.h> |
---|
[5e9b32b] | 40 | #include <rtems/score/copyrt.h> |
---|
[039a189d] | 41 | #include <rtems/score/cpusetimpl.h> |
---|
[5e9b32b] | 42 | #include <rtems/score/heap.h> |
---|
| 43 | #include <rtems/score/interr.h> |
---|
| 44 | #include <rtems/score/isr.h> |
---|
| 45 | #include <rtems/score/priority.h> |
---|
[c6e21ee1] | 46 | #include <rtems/score/schedulerimpl.h> |
---|
[6ca4f6a] | 47 | #include <rtems/score/smpimpl.h> |
---|
[5618c37a] | 48 | #include <rtems/score/threadimpl.h> |
---|
[f031df0e] | 49 | #include <rtems/score/todimpl.h> |
---|
[3be0c9a] | 50 | #include <rtems/score/userextimpl.h> |
---|
[4b48ece0] | 51 | #include <rtems/score/watchdogimpl.h> |
---|
[5e9b32b] | 52 | #include <rtems/score/wkspace.h> |
---|
[3a4ae6c] | 53 | |
---|
[ac7d5ef0] | 54 | #include <rtems/sptables.h> |
---|
| 55 | |
---|
[c627b2a3] | 56 | |
---|
[3a4ae6c] | 57 | #include <rtems/rtems/rtemsapi.h> |
---|
[e6c87f7] | 58 | #include <rtems/posix/posixapi.h> |
---|
[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 | */ |
---|
[f536e12] | 79 | _Configuration_MP_table = rtems_configuration_get_user_multiprocessing_table(); |
---|
[aac75d3b] | 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 | |
---|
[790b50b] | 111 | _User_extensions_Handler_initialization(); |
---|
[ac7d5ef0] | 112 | _ISR_Handler_initialization(); |
---|
[0577ec1d] | 113 | |
---|
[70669f28] | 114 | /* |
---|
[790b50b] | 115 | * Initialize the internal support API and allocator Mutex |
---|
[70669f28] | 116 | */ |
---|
[790b50b] | 117 | _Objects_Information_table[OBJECTS_INTERNAL_API] = _Internal_Objects; |
---|
| 118 | |
---|
[70669f28] | 119 | _API_Mutex_Initialization( 1 ); |
---|
[8fd28d83] | 120 | _API_Mutex_Allocate( &_RTEMS_Allocator_Mutex ); |
---|
[70669f28] | 121 | |
---|
[ac7d5ef0] | 122 | _Watchdog_Handler_initialization(); |
---|
[790b50b] | 123 | _TOD_Handler_initialization(); |
---|
[ac7d5ef0] | 124 | |
---|
[790b50b] | 125 | _Thread_Handler_initialization(); |
---|
[ac7d5ef0] | 126 | |
---|
[0faa9dad] | 127 | _Scheduler_Handler_initialization(); |
---|
| 128 | |
---|
[aac75d3b] | 129 | #if defined(RTEMS_MULTIPROCESSING) |
---|
[584ab9e] | 130 | _Objects_MP_Handler_initialization(); |
---|
[790b50b] | 131 | _MPCI_Handler_initialization( RTEMS_TIMEOUT ); |
---|
[aac75d3b] | 132 | #endif |
---|
[ac7d5ef0] | 133 | |
---|
[039a189d] | 134 | _SMP_Handler_initialize(); |
---|
| 135 | |
---|
| 136 | _CPU_set_Handler_initialization(); |
---|
| 137 | |
---|
[3a4ae6c] | 138 | /* MANAGERS */ |
---|
[ac7d5ef0] | 139 | |
---|
[aac75d3b] | 140 | _RTEMS_API_Initialize(); |
---|
[0577ec1d] | 141 | |
---|
[790b50b] | 142 | _Extension_Manager_initialization(); |
---|
[ac7d5ef0] | 143 | |
---|
[790b50b] | 144 | _IO_Manager_initialization(); |
---|
[ac7d5ef0] | 145 | |
---|
[e6c87f7] | 146 | _POSIX_API_Initialize(); |
---|
[d4b44877] | 147 | |
---|
[56d34e6] | 148 | _System_state_Set( SYSTEM_STATE_BEFORE_MULTITASKING ); |
---|
| 149 | |
---|
| 150 | /* |
---|
[8486081] | 151 | * No threads should be created before this point!!! |
---|
[a2a8c5b] | 152 | * _Thread_Executing and _Thread_Heir are not set. |
---|
[56d34e6] | 153 | * |
---|
| 154 | * At this point all API extensions are in place. After the call to |
---|
[a2a8c5b] | 155 | * _Thread_Create_idle() _Thread_Executing and _Thread_Heir will be set. |
---|
[56d34e6] | 156 | */ |
---|
| 157 | _Thread_Create_idle(); |
---|
| 158 | |
---|
[a2a8c5b] | 159 | /* |
---|
| 160 | * Scheduling can properly occur now as long as we avoid dispatching. |
---|
| 161 | */ |
---|
[d86ae06] | 162 | } |
---|
[a2a8c5b] | 163 | |
---|
[d86ae06] | 164 | void rtems_initialize_before_drivers(void) |
---|
| 165 | { |
---|
[a2a8c5b] | 166 | |
---|
[aac75d3b] | 167 | #if defined(RTEMS_MULTIPROCESSING) |
---|
| 168 | _MPCI_Create_server(); |
---|
| 169 | #endif |
---|
[ac7d5ef0] | 170 | |
---|
[27b961a] | 171 | #if defined(FUNCTIONALITY_NOT_CURRENTLY_USED_BY_ANY_API) |
---|
| 172 | /* |
---|
| 173 | * Run the API and BSPs predriver hook. |
---|
| 174 | */ |
---|
| 175 | _API_extensions_Run_predriver(); |
---|
| 176 | #endif |
---|
[d86ae06] | 177 | } |
---|
[8486081] | 178 | |
---|
[d86ae06] | 179 | void rtems_initialize_device_drivers(void) |
---|
| 180 | { |
---|
[389fa850] | 181 | /* |
---|
| 182 | * Initialize all the device drivers and initialize the MPCI layer. |
---|
| 183 | * |
---|
| 184 | * NOTE: The MPCI may be build upon a device driver. |
---|
| 185 | */ |
---|
[8486081] | 186 | |
---|
[389fa850] | 187 | _IO_Initialize_all_drivers(); |
---|
[8486081] | 188 | |
---|
[aac75d3b] | 189 | #if defined(RTEMS_MULTIPROCESSING) |
---|
| 190 | if ( _System_state_Is_multiprocessing ) { |
---|
| 191 | _MPCI_Initialization(); |
---|
| 192 | _MPCI_Internal_packets_Send_process_packet( |
---|
| 193 | MPCI_PACKETS_SYSTEM_VERIFY |
---|
| 194 | ); |
---|
| 195 | } |
---|
| 196 | #endif |
---|
[8486081] | 197 | |
---|
[389fa850] | 198 | /* |
---|
| 199 | * Run the APIs and BSPs postdriver hooks. |
---|
| 200 | * |
---|
| 201 | * The API extensions are supposed to create user initialization tasks. |
---|
| 202 | */ |
---|
| 203 | _API_extensions_Run_postdriver(); |
---|
[ac7d5ef0] | 204 | } |
---|
| 205 | |
---|
[48bff53b] | 206 | void rtems_initialize_start_multitasking(void) |
---|
[ac7d5ef0] | 207 | { |
---|
[b4b309c] | 208 | _System_state_Set( SYSTEM_STATE_UP ); |
---|
| 209 | |
---|
[7336be9d] | 210 | _SMP_Request_start_multitasking(); |
---|
[e071c183] | 211 | |
---|
[514705d] | 212 | _Thread_Start_multitasking(); |
---|
[ac7d5ef0] | 213 | |
---|
[d86ae06] | 214 | /******************************************************************* |
---|
| 215 | ******************************************************************* |
---|
| 216 | ******************************************************************* |
---|
| 217 | ****** APPLICATION RUNS HERE ****** |
---|
[514705d] | 218 | ****** THE FUNCTION NEVER RETURNS ****** |
---|
[d86ae06] | 219 | ******************************************************************* |
---|
| 220 | ******************************************************************* |
---|
| 221 | *******************************************************************/ |
---|
[ac7d5ef0] | 222 | } |
---|