1 | /* |
---|
2 | * BASED UPON SOURCE IN RTEMS, MODIFIED FOR SIMULATOR |
---|
3 | * |
---|
4 | * COPYRIGHT (c) 1989-2013. |
---|
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 | #define SAPI_INIT |
---|
15 | #define SCORE_INIT |
---|
16 | #define RTEMS_API_INIT |
---|
17 | |
---|
18 | #include <rtems.h> |
---|
19 | #include <rtems/score/apiext.h> |
---|
20 | #include <rtems/score/bitfield.h> |
---|
21 | #include <rtems/score/apimutex.h> |
---|
22 | #include <rtems/score/userextimpl.h> |
---|
23 | #include <rtems/score/wkspace.h> |
---|
24 | |
---|
25 | Objects_Information *_Internal_Objects[ OBJECTS_INTERNAL_CLASSES_LAST + 1 ]; |
---|
26 | |
---|
27 | Objects_Information *_RTEMS_Objects[ OBJECTS_RTEMS_CLASSES_LAST + 1 ]; |
---|
28 | |
---|
29 | extern void check_heir_and_executing(void); |
---|
30 | |
---|
31 | void rtems_initialize_data_structures(void) |
---|
32 | { |
---|
33 | _System_state_Handler_initialization( FALSE ); |
---|
34 | |
---|
35 | /* |
---|
36 | * Do this as early as possible to ensure no debugging output |
---|
37 | * is even attempted to be printed. |
---|
38 | */ |
---|
39 | _Debug_Manager_initialization(); |
---|
40 | |
---|
41 | _API_extensions_Initialization(); |
---|
42 | |
---|
43 | _Thread_Dispatch_initialization(); |
---|
44 | |
---|
45 | /* |
---|
46 | * Before this is called, we are not allowed to allocate memory |
---|
47 | * from the Workspace because it is not initialized. |
---|
48 | */ |
---|
49 | _Workspace_Handler_initialization(NULL, 0, NULL); |
---|
50 | |
---|
51 | #if defined(RTEMS_SMP) |
---|
52 | _SMP_Handler_initialize(); |
---|
53 | #endif |
---|
54 | |
---|
55 | _User_extensions_Handler_initialization(); |
---|
56 | |
---|
57 | _ISR_Handler_initialization(); |
---|
58 | |
---|
59 | /* |
---|
60 | * Initialize the internal support API and allocator Mutex |
---|
61 | */ |
---|
62 | _Objects_Information_table[OBJECTS_INTERNAL_API] = _Internal_Objects; |
---|
63 | |
---|
64 | _API_Mutex_Initialization( 1 ); |
---|
65 | _API_Mutex_Allocate( &_RTEMS_Allocator_Mutex ); |
---|
66 | |
---|
67 | _Priority_bit_map_Handler_initialization(); |
---|
68 | _Watchdog_Handler_initialization(); |
---|
69 | _TOD_Handler_initialization(); |
---|
70 | |
---|
71 | _Thread_Handler_initialization(); |
---|
72 | |
---|
73 | _Scheduler_Handler_initialization(); |
---|
74 | |
---|
75 | |
---|
76 | /* MANAGERS */ |
---|
77 | /* |
---|
78 | * Install our API Object Management Table and initialize the |
---|
79 | * various managers. |
---|
80 | */ |
---|
81 | _Objects_Information_table[OBJECTS_CLASSIC_API] = _RTEMS_Objects; |
---|
82 | |
---|
83 | _RTEMS_tasks_Manager_initialization(); |
---|
84 | _Semaphore_Manager_initialization(); |
---|
85 | |
---|
86 | /* |
---|
87 | * Discover and initialize the secondary cores in an SMP system. |
---|
88 | */ |
---|
89 | #if defined(RTEMS_SMP) |
---|
90 | _SMP_Processor_count = |
---|
91 | bsp_smp_initialize( rtems_configuration_smp_maximum_processors ); |
---|
92 | #endif |
---|
93 | |
---|
94 | _System_state_Set( SYSTEM_STATE_BEFORE_MULTITASKING ); |
---|
95 | |
---|
96 | /* |
---|
97 | * No threads should be created before this point!!! |
---|
98 | * _Thread_Executing and _Thread_Heir are not set. |
---|
99 | * |
---|
100 | * At this point all API extensions are in place. After the call to |
---|
101 | * _Thread_Create_idle() _Thread_Executing and _Thread_Heir will be set. |
---|
102 | */ |
---|
103 | _Thread_Create_idle(); |
---|
104 | |
---|
105 | /* |
---|
106 | * Scheduling can properly occur now as long as we avoid dispatching. |
---|
107 | */ |
---|
108 | |
---|
109 | _System_state_Set( SYSTEM_STATE_BEGIN_MULTITASKING ); |
---|
110 | |
---|
111 | _Thread_Start_multitasking(); |
---|
112 | |
---|
113 | /* |
---|
114 | * Now we are back in a non-dispatching critical section |
---|
115 | */ |
---|
116 | _Thread_Dispatch_set_disable_level(0); |
---|
117 | |
---|
118 | /* |
---|
119 | * Print an initial message |
---|
120 | */ |
---|
121 | check_heir_and_executing(); |
---|
122 | } |
---|