[ac7d5ef0] | 1 | /* |
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| 2 | * Initialization Manager |
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| 3 | * |
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[d86ae06] | 4 | * COPYRIGHT (c) 1989-2008. |
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[ac7d5ef0] | 5 | * On-Line Applications Research Corporation (OAR). |
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| 6 | * |
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[98e4ebf5] | 7 | * The license and distribution terms for this file may be |
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| 8 | * found in the file LICENSE in this distribution or at |
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[2ba508b] | 9 | * http://www.rtems.com/license/LICENSE. |
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[ac7d5ef0] | 10 | * |
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| 11 | * $Id$ |
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| 12 | */ |
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| 13 | |
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[16351f7a] | 14 | #if HAVE_CONFIG_H |
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| 15 | #include "config.h" |
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| 16 | #endif |
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| 17 | |
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[ac7d5ef0] | 18 | /* |
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[8486081] | 19 | * SCORE_INIT and SAPI_INIT are defined so all of the super core and |
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[c627b2a3] | 20 | * super API data will be included in this object file. |
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[ac7d5ef0] | 21 | */ |
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| 22 | |
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[c627b2a3] | 23 | #define SAPI_INIT |
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| 24 | #define SCORE_INIT |
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[ac7d5ef0] | 25 | |
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| 26 | #include <rtems/system.h> |
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| 27 | #include <rtems/config.h> |
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| 28 | #include <rtems/debug.h> |
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| 29 | #include <rtems/extension.h> |
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| 30 | #include <rtems/fatal.h> |
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| 31 | #include <rtems/init.h> |
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| 32 | #include <rtems/io.h> |
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[5e9b32b] | 33 | #include <rtems/score/sysstate.h> |
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[ac7d5ef0] | 34 | |
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[5e9b32b] | 35 | #include <rtems/score/apiext.h> |
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[a2a8c5b] | 36 | #include <rtems/score/apimutex.h> |
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[5e9b32b] | 37 | #include <rtems/score/copyrt.h> |
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| 38 | #include <rtems/score/heap.h> |
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| 39 | #include <rtems/score/interr.h> |
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| 40 | #include <rtems/score/isr.h> |
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[97e2729d] | 41 | #if defined(RTEMS_MULTIPROCESSING) |
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[5e9b32b] | 42 | #include <rtems/score/mpci.h> |
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[97e2729d] | 43 | #endif |
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[5e9b32b] | 44 | #include <rtems/score/priority.h> |
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| 45 | #include <rtems/score/thread.h> |
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| 46 | #include <rtems/score/tod.h> |
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| 47 | #include <rtems/score/userext.h> |
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| 48 | #include <rtems/score/watchdog.h> |
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| 49 | #include <rtems/score/wkspace.h> |
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[3a4ae6c] | 50 | |
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[ac7d5ef0] | 51 | #include <rtems/sptables.h> |
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| 52 | |
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[c627b2a3] | 53 | |
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[3a4ae6c] | 54 | #include <rtems/rtems/rtemsapi.h> |
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[c627b2a3] | 55 | #ifdef RTEMS_POSIX_API |
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[aac75d3b] | 56 | #include <rtems/posix/posixapi.h> |
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[c627b2a3] | 57 | #endif |
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[352c9b2] | 58 | #ifdef RTEMS_ITRON_API |
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[aac75d3b] | 59 | #include <rtems/itron/itronapi.h> |
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[352c9b2] | 60 | #endif |
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| 61 | |
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[0577ec1d] | 62 | Objects_Information *_Internal_Objects[ OBJECTS_INTERNAL_CLASSES_LAST + 1 ]; |
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[3a4ae6c] | 63 | |
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[aac75d3b] | 64 | void rtems_initialize_data_structures(void) |
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[ac7d5ef0] | 65 | { |
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| 66 | /* |
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| 67 | * Dispatching and interrupts are disabled until the end of the |
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| 68 | * initialization sequence. This prevents an inadvertent context |
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| 69 | * switch before the executive is initialized. |
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[a0d22251] | 70 | * |
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| 71 | * WARNING: Interrupts should have been disabled by the BSP and |
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| 72 | * are disabled by boot_card(). |
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[ac7d5ef0] | 73 | */ |
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| 74 | |
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[aac75d3b] | 75 | #if defined(RTEMS_MULTIPROCESSING) |
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| 76 | /* |
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| 77 | * Initialize the system state based on whether this is an MP system. |
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| 78 | * In an MP configuration, internally we view single processor |
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| 79 | * systems as a very restricted multiprocessor system. |
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| 80 | */ |
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| 81 | _Configuration_MP_table = Configuration.User_multiprocessing_table; |
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| 82 | |
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| 83 | if ( _Configuration_MP_table == NULL ) { |
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| 84 | _Configuration_MP_table = |
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| 85 | (void *)&_Initialization_Default_multiprocessing_table; |
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| 86 | _System_state_Handler_initialization( FALSE ); |
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| 87 | } else { |
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| 88 | _System_state_Handler_initialization( TRUE ); |
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| 89 | } |
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| 90 | #else |
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[9221838] | 91 | _System_state_Handler_initialization( FALSE ); |
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[aac75d3b] | 92 | #endif |
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[ac7d5ef0] | 93 | |
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[45d107ec] | 94 | /* |
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| 95 | * Initialize any target architecture specific support as early as possible |
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| 96 | */ |
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| 97 | _CPU_Initialize(); |
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| 98 | |
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[562eab5c] | 99 | #if defined(RTEMS_MULTIPROCESSING) |
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| 100 | _Objects_MP_Handler_early_initialization(); |
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| 101 | #endif |
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| 102 | |
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[3a4ae6c] | 103 | /* |
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[aac75d3b] | 104 | * Do this as early as possible to ensure no debugging output |
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[3a4ae6c] | 105 | * is even attempted to be printed. |
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| 106 | */ |
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| 107 | |
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| 108 | _Debug_Manager_initialization(); |
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[ac7d5ef0] | 109 | |
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[7af35da5] | 110 | _API_extensions_Initialization(); |
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| 111 | |
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[ac7d5ef0] | 112 | _Thread_Dispatch_initialization(); |
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| 113 | |
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[f5f4566] | 114 | /* |
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| 115 | * Before this is called, we are not allowed to allocate memory |
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| 116 | * from the Workspace because it is not initialized. |
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| 117 | */ |
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[790b50b] | 118 | _Workspace_Handler_initialization(); |
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[0451b44] | 119 | |
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[790b50b] | 120 | _User_extensions_Handler_initialization(); |
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[ac7d5ef0] | 121 | _ISR_Handler_initialization(); |
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[0577ec1d] | 122 | |
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[70669f28] | 123 | /* |
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[790b50b] | 124 | * Initialize the internal support API and allocator Mutex |
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[70669f28] | 125 | */ |
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[790b50b] | 126 | _Objects_Information_table[OBJECTS_INTERNAL_API] = _Internal_Objects; |
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| 127 | |
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[70669f28] | 128 | _API_Mutex_Initialization( 1 ); |
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[8fd28d83] | 129 | _API_Mutex_Allocate( &_RTEMS_Allocator_Mutex ); |
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[70669f28] | 130 | |
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[ac7d5ef0] | 131 | _Priority_Handler_initialization(); |
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| 132 | _Watchdog_Handler_initialization(); |
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[790b50b] | 133 | _TOD_Handler_initialization(); |
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[ac7d5ef0] | 134 | |
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[790b50b] | 135 | _Thread_Handler_initialization(); |
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[ac7d5ef0] | 136 | |
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[aac75d3b] | 137 | #if defined(RTEMS_MULTIPROCESSING) |
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[584ab9e] | 138 | _Objects_MP_Handler_initialization(); |
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[790b50b] | 139 | _MPCI_Handler_initialization( RTEMS_TIMEOUT ); |
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[aac75d3b] | 140 | #endif |
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[ac7d5ef0] | 141 | |
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[3a4ae6c] | 142 | /* MANAGERS */ |
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[ac7d5ef0] | 143 | |
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[aac75d3b] | 144 | _RTEMS_API_Initialize(); |
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[0577ec1d] | 145 | |
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[790b50b] | 146 | _Extension_Manager_initialization(); |
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[ac7d5ef0] | 147 | |
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[790b50b] | 148 | _IO_Manager_initialization(); |
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[ac7d5ef0] | 149 | |
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[aac75d3b] | 150 | #ifdef RTEMS_POSIX_API |
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| 151 | _POSIX_API_Initialize(); |
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| 152 | #endif |
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[d4b44877] | 153 | |
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[aac75d3b] | 154 | #ifdef RTEMS_ITRON_API |
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| 155 | _ITRON_API_Initialize(); |
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| 156 | #endif |
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[352c9b2] | 157 | |
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[56d34e6] | 158 | _System_state_Set( SYSTEM_STATE_BEFORE_MULTITASKING ); |
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| 159 | |
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| 160 | /* |
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[8486081] | 161 | * No threads should be created before this point!!! |
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[a2a8c5b] | 162 | * _Thread_Executing and _Thread_Heir are not set. |
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[56d34e6] | 163 | * |
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| 164 | * At this point all API extensions are in place. After the call to |
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[a2a8c5b] | 165 | * _Thread_Create_idle() _Thread_Executing and _Thread_Heir will be set. |
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[56d34e6] | 166 | */ |
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[3a4ae6c] | 167 | |
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[56d34e6] | 168 | _Thread_Create_idle(); |
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| 169 | |
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[a2a8c5b] | 170 | /* |
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| 171 | * Scheduling can properly occur now as long as we avoid dispatching. |
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| 172 | */ |
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[d86ae06] | 173 | } |
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[a2a8c5b] | 174 | |
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[d86ae06] | 175 | void rtems_initialize_before_drivers(void) |
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| 176 | { |
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[a2a8c5b] | 177 | |
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[aac75d3b] | 178 | #if defined(RTEMS_MULTIPROCESSING) |
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| 179 | _MPCI_Create_server(); |
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| 180 | #endif |
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[ac7d5ef0] | 181 | |
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[389fa850] | 182 | /* |
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| 183 | * Run the API and BSPs predriver hook. |
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| 184 | */ |
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[8486081] | 185 | |
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[389fa850] | 186 | _API_extensions_Run_predriver(); |
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[8486081] | 187 | |
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[d86ae06] | 188 | } |
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[8486081] | 189 | |
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[d86ae06] | 190 | void rtems_initialize_device_drivers(void) |
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| 191 | { |
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[389fa850] | 192 | /* |
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| 193 | * Initialize all the device drivers and initialize the MPCI layer. |
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| 194 | * |
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| 195 | * NOTE: The MPCI may be build upon a device driver. |
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| 196 | */ |
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[8486081] | 197 | |
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[389fa850] | 198 | _IO_Initialize_all_drivers(); |
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[8486081] | 199 | |
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[aac75d3b] | 200 | #if defined(RTEMS_MULTIPROCESSING) |
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| 201 | if ( _System_state_Is_multiprocessing ) { |
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| 202 | _MPCI_Initialization(); |
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| 203 | _MPCI_Internal_packets_Send_process_packet( |
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| 204 | MPCI_PACKETS_SYSTEM_VERIFY |
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| 205 | ); |
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| 206 | } |
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| 207 | #endif |
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[8486081] | 208 | |
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[389fa850] | 209 | /* |
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| 210 | * Run the APIs and BSPs postdriver hooks. |
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| 211 | * |
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| 212 | * The API extensions are supposed to create user initialization tasks. |
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| 213 | */ |
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[8486081] | 214 | |
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[389fa850] | 215 | _API_extensions_Run_postdriver(); |
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[ac7d5ef0] | 216 | } |
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| 217 | |
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[d86ae06] | 218 | void rtems_initialize_start_multitasking(void) |
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[ac7d5ef0] | 219 | { |
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| 220 | |
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| 221 | _System_state_Set( SYSTEM_STATE_BEGIN_MULTITASKING ); |
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| 222 | |
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[f972294d] | 223 | _Thread_Start_multitasking(); |
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[ac7d5ef0] | 224 | |
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[d86ae06] | 225 | /******************************************************************* |
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| 226 | ******************************************************************* |
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| 227 | ******************************************************************* |
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| 228 | ****** APPLICATION RUNS HERE ****** |
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| 229 | ****** RETURNS WHEN SYSTEM IS SHUT DOWN ****** |
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| 230 | ******************************************************************* |
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| 231 | ******************************************************************* |
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| 232 | *******************************************************************/ |
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[ac7d5ef0] | 233 | } |
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