[ac7d5ef0] | 1 | /* |
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| 2 | * Initialization Manager |
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| 3 | * |
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[06dcaf0] | 4 | * COPYRIGHT (c) 1989-2011. |
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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 | |
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[16351f7a] | 12 | #if HAVE_CONFIG_H |
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| 13 | #include "config.h" |
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| 14 | #endif |
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| 15 | |
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[ac7d5ef0] | 16 | /* |
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[8486081] | 17 | * SCORE_INIT and SAPI_INIT are defined so all of the super core and |
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[c627b2a3] | 18 | * super API data will be included in this object file. |
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[ac7d5ef0] | 19 | */ |
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| 20 | |
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[c627b2a3] | 21 | #define SAPI_INIT |
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| 22 | #define SCORE_INIT |
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[ac7d5ef0] | 23 | |
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| 24 | #include <rtems/system.h> |
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| 25 | #include <rtems/config.h> |
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| 26 | #include <rtems/debug.h> |
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| 27 | #include <rtems/extension.h> |
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| 28 | #include <rtems/fatal.h> |
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| 29 | #include <rtems/init.h> |
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| 30 | #include <rtems/io.h> |
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[5e9b32b] | 31 | #include <rtems/score/sysstate.h> |
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[ac7d5ef0] | 32 | |
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[5e9b32b] | 33 | #include <rtems/score/apiext.h> |
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[a2a8c5b] | 34 | #include <rtems/score/apimutex.h> |
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[5e9b32b] | 35 | #include <rtems/score/copyrt.h> |
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| 36 | #include <rtems/score/heap.h> |
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| 37 | #include <rtems/score/interr.h> |
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| 38 | #include <rtems/score/isr.h> |
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[97e2729d] | 39 | #if defined(RTEMS_MULTIPROCESSING) |
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[5e9b32b] | 40 | #include <rtems/score/mpci.h> |
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[97e2729d] | 41 | #endif |
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[5e9b32b] | 42 | #include <rtems/score/priority.h> |
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[0faa9dad] | 43 | #include <rtems/score/scheduler.h> |
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[5e9b32b] | 44 | #include <rtems/score/thread.h> |
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| 45 | #include <rtems/score/tod.h> |
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| 46 | #include <rtems/score/userext.h> |
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| 47 | #include <rtems/score/watchdog.h> |
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| 48 | #include <rtems/score/wkspace.h> |
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[3a4ae6c] | 49 | |
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[ac7d5ef0] | 50 | #include <rtems/sptables.h> |
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| 51 | |
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[c627b2a3] | 52 | |
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[3a4ae6c] | 53 | #include <rtems/rtems/rtemsapi.h> |
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[c627b2a3] | 54 | #ifdef RTEMS_POSIX_API |
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[aac75d3b] | 55 | #include <rtems/posix/posixapi.h> |
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[c627b2a3] | 56 | #endif |
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[352c9b2] | 57 | |
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[06dcaf0] | 58 | #if defined(RTEMS_SMP) |
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[0d5a9f1] | 59 | #include <rtems/score/smp.h> |
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[06dcaf0] | 60 | #include <rtems/score/percpu.h> |
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| 61 | #endif |
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| 62 | |
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[0577ec1d] | 63 | Objects_Information *_Internal_Objects[ OBJECTS_INTERNAL_CLASSES_LAST + 1 ]; |
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[3a4ae6c] | 64 | |
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[aac75d3b] | 65 | void rtems_initialize_data_structures(void) |
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[ac7d5ef0] | 66 | { |
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| 67 | /* |
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| 68 | * Dispatching and interrupts are disabled until the end of the |
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| 69 | * initialization sequence. This prevents an inadvertent context |
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| 70 | * switch before the executive is initialized. |
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[a0d22251] | 71 | * |
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| 72 | * WARNING: Interrupts should have been disabled by the BSP and |
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| 73 | * are disabled by boot_card(). |
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[ac7d5ef0] | 74 | */ |
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| 75 | |
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[aac75d3b] | 76 | #if defined(RTEMS_MULTIPROCESSING) |
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| 77 | /* |
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| 78 | * Initialize the system state based on whether this is an MP system. |
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| 79 | * In an MP configuration, internally we view single processor |
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| 80 | * systems as a very restricted multiprocessor system. |
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| 81 | */ |
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| 82 | _Configuration_MP_table = Configuration.User_multiprocessing_table; |
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| 83 | |
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| 84 | if ( _Configuration_MP_table == NULL ) { |
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| 85 | _Configuration_MP_table = |
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| 86 | (void *)&_Initialization_Default_multiprocessing_table; |
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| 87 | _System_state_Handler_initialization( FALSE ); |
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| 88 | } else { |
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| 89 | _System_state_Handler_initialization( TRUE ); |
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| 90 | } |
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| 91 | #else |
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[9221838] | 92 | _System_state_Handler_initialization( FALSE ); |
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[aac75d3b] | 93 | #endif |
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[ac7d5ef0] | 94 | |
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[45d107ec] | 95 | /* |
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| 96 | * Initialize any target architecture specific support as early as possible |
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| 97 | */ |
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| 98 | _CPU_Initialize(); |
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| 99 | |
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[562eab5c] | 100 | #if defined(RTEMS_MULTIPROCESSING) |
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| 101 | _Objects_MP_Handler_early_initialization(); |
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| 102 | #endif |
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| 103 | |
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[3a4ae6c] | 104 | /* |
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[aac75d3b] | 105 | * Do this as early as possible to ensure no debugging output |
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[3a4ae6c] | 106 | * is even attempted to be printed. |
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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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[06dcaf0] | 114 | #if defined(RTEMS_SMP) |
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| 115 | _SMP_Handler_initialize(); |
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| 116 | #endif |
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| 117 | |
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[790b50b] | 118 | _User_extensions_Handler_initialization(); |
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[ac7d5ef0] | 119 | _ISR_Handler_initialization(); |
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[0577ec1d] | 120 | |
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[70669f28] | 121 | /* |
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[790b50b] | 122 | * Initialize the internal support API and allocator Mutex |
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[70669f28] | 123 | */ |
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[790b50b] | 124 | _Objects_Information_table[OBJECTS_INTERNAL_API] = _Internal_Objects; |
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| 125 | |
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[70669f28] | 126 | _API_Mutex_Initialization( 1 ); |
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[8fd28d83] | 127 | _API_Mutex_Allocate( &_RTEMS_Allocator_Mutex ); |
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[70669f28] | 128 | |
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[a55e305] | 129 | _Priority_bit_map_Handler_initialization(); |
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[ac7d5ef0] | 130 | _Watchdog_Handler_initialization(); |
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[790b50b] | 131 | _TOD_Handler_initialization(); |
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[ac7d5ef0] | 132 | |
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[790b50b] | 133 | _Thread_Handler_initialization(); |
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[ac7d5ef0] | 134 | |
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[0faa9dad] | 135 | _Scheduler_Handler_initialization(); |
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| 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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[06dcaf0] | 154 | /* |
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| 155 | * Discover and initialize the secondary cores in an SMP system. |
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| 156 | */ |
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| 157 | #if defined(RTEMS_SMP) |
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[e79093a] | 158 | _SMP_Processor_count = |
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| 159 | bsp_smp_initialize( rtems_configuration_smp_maximum_processors ); |
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[06dcaf0] | 160 | #endif |
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| 161 | |
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[56d34e6] | 162 | _System_state_Set( SYSTEM_STATE_BEFORE_MULTITASKING ); |
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| 163 | |
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| 164 | /* |
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[8486081] | 165 | * No threads should be created before this point!!! |
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[a2a8c5b] | 166 | * _Thread_Executing and _Thread_Heir are not set. |
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[56d34e6] | 167 | * |
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| 168 | * At this point all API extensions are in place. After the call to |
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[a2a8c5b] | 169 | * _Thread_Create_idle() _Thread_Executing and _Thread_Heir will be set. |
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[56d34e6] | 170 | */ |
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| 171 | _Thread_Create_idle(); |
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| 172 | |
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[a2a8c5b] | 173 | /* |
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| 174 | * Scheduling can properly occur now as long as we avoid dispatching. |
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| 175 | */ |
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[d86ae06] | 176 | } |
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[a2a8c5b] | 177 | |
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[d86ae06] | 178 | void rtems_initialize_before_drivers(void) |
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| 179 | { |
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[a2a8c5b] | 180 | |
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[aac75d3b] | 181 | #if defined(RTEMS_MULTIPROCESSING) |
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| 182 | _MPCI_Create_server(); |
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| 183 | #endif |
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[ac7d5ef0] | 184 | |
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[27b961a] | 185 | #if defined(FUNCTIONALITY_NOT_CURRENTLY_USED_BY_ANY_API) |
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| 186 | /* |
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| 187 | * Run the API and BSPs predriver hook. |
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| 188 | */ |
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| 189 | _API_extensions_Run_predriver(); |
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| 190 | #endif |
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[d86ae06] | 191 | } |
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[8486081] | 192 | |
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[d86ae06] | 193 | void rtems_initialize_device_drivers(void) |
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| 194 | { |
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[389fa850] | 195 | /* |
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| 196 | * Initialize all the device drivers and initialize the MPCI layer. |
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| 197 | * |
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| 198 | * NOTE: The MPCI may be build upon a device driver. |
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| 199 | */ |
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[8486081] | 200 | |
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[389fa850] | 201 | _IO_Initialize_all_drivers(); |
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[8486081] | 202 | |
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[aac75d3b] | 203 | #if defined(RTEMS_MULTIPROCESSING) |
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| 204 | if ( _System_state_Is_multiprocessing ) { |
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| 205 | _MPCI_Initialization(); |
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| 206 | _MPCI_Internal_packets_Send_process_packet( |
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| 207 | MPCI_PACKETS_SYSTEM_VERIFY |
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| 208 | ); |
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| 209 | } |
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| 210 | #endif |
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[8486081] | 211 | |
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[389fa850] | 212 | /* |
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| 213 | * Run the APIs and BSPs postdriver hooks. |
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| 214 | * |
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| 215 | * The API extensions are supposed to create user initialization tasks. |
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| 216 | */ |
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| 217 | _API_extensions_Run_postdriver(); |
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[ac7d5ef0] | 218 | } |
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| 219 | |
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[f58ef8ae] | 220 | uint32_t rtems_initialize_start_multitasking(void) |
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[ac7d5ef0] | 221 | { |
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| 222 | _System_state_Set( SYSTEM_STATE_BEGIN_MULTITASKING ); |
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| 223 | |
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[f972294d] | 224 | _Thread_Start_multitasking(); |
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[ac7d5ef0] | 225 | |
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[d86ae06] | 226 | /******************************************************************* |
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| 227 | ******************************************************************* |
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| 228 | ******************************************************************* |
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| 229 | ****** APPLICATION RUNS HERE ****** |
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| 230 | ****** RETURNS WHEN SYSTEM IS SHUT DOWN ****** |
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| 231 | ******************************************************************* |
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| 232 | ******************************************************************* |
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| 233 | *******************************************************************/ |
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[f58ef8ae] | 234 | |
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| 235 | return _Per_CPU_Information[0].idle->Wait.return_code; |
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[ac7d5ef0] | 236 | } |
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