1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief _RTEMS_tasks_Initialize_user_tasks_body |
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5 | * @ingroup ClassicTasks Tasks |
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6 | */ |
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7 | |
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8 | /* |
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9 | * COPYRIGHT (c) 1989-2008. |
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10 | * On-Line Applications Research Corporation (OAR). |
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11 | * |
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12 | * The license and distribution terms for this file may be |
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13 | * found in the file LICENSE in this distribution or at |
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14 | * http://www.rtems.org/license/LICENSE. |
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15 | */ |
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16 | |
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17 | #if HAVE_CONFIG_H |
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18 | #include "config.h" |
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19 | #endif |
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20 | |
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21 | #include <rtems/system.h> |
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22 | #include <rtems/config.h> |
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23 | #include <rtems/rtems/status.h> |
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24 | #include <rtems/rtems/support.h> |
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25 | #include <rtems/rtems/modes.h> |
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26 | #include <rtems/score/assert.h> |
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27 | #include <rtems/score/stack.h> |
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28 | #include <rtems/rtems/tasksimpl.h> |
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29 | #include <rtems/score/thread.h> |
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30 | #include <rtems/score/wkspace.h> |
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31 | |
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32 | /* |
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33 | * _RTEMS_tasks_Initialize_user_tasks_body |
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34 | * |
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35 | * This routine creates and starts all configured user |
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36 | * initialization threads. |
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37 | * |
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38 | * Input parameters: NONE |
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39 | * |
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40 | * Output parameters: NONE |
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41 | */ |
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42 | |
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43 | void _RTEMS_tasks_Initialize_user_tasks_body( void ) |
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44 | { |
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45 | uint32_t index; |
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46 | uint32_t maximum; |
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47 | rtems_id id; |
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48 | rtems_status_code return_value; |
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49 | rtems_initialization_tasks_table *user_tasks; |
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50 | rtems_task_entry entry_point; |
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51 | |
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52 | /* |
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53 | * Move information into local variables |
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54 | */ |
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55 | user_tasks = Configuration_RTEMS_API.User_initialization_tasks_table; |
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56 | maximum = Configuration_RTEMS_API.number_of_initialization_tasks; |
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57 | |
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58 | /* |
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59 | * Verify that we have a set of user tasks to iterate |
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60 | */ |
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61 | if ( !user_tasks ) |
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62 | return; |
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63 | |
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64 | /* |
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65 | * Now iterate over the initialization tasks and create/start them. |
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66 | */ |
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67 | for ( index=0 ; index < maximum ; index++ ) { |
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68 | return_value = rtems_task_create( |
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69 | user_tasks[ index ].name, |
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70 | user_tasks[ index ].initial_priority, |
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71 | user_tasks[ index ].stack_size, |
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72 | user_tasks[ index ].mode_set, |
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73 | user_tasks[ index ].attribute_set, |
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74 | &id |
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75 | ); |
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76 | if ( !rtems_is_status_successful( return_value ) ) { |
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77 | _Internal_error( INTERNAL_ERROR_RTEMS_INIT_TASK_CREATE_FAILED ); |
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78 | } |
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79 | |
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80 | entry_point = user_tasks[ index ].entry_point; |
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81 | if ( entry_point == NULL ) { |
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82 | _Internal_error( INTERNAL_ERROR_RTEMS_INIT_TASK_ENTRY_IS_NULL ); |
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83 | } |
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84 | |
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85 | return_value = rtems_task_start( |
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86 | id, |
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87 | entry_point, |
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88 | user_tasks[ index ].argument |
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89 | ); |
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90 | _Assert( rtems_is_status_successful( return_value ) ); |
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91 | (void) return_value; |
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92 | |
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93 | if ( _Thread_Global_constructor == 0 ) { |
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94 | _Thread_Global_constructor = id; |
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95 | } |
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96 | } |
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97 | } |
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