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/**
* @file
*
* @brief _RTEMS_tasks_Initialize_user_tasks_body
* @ingroup ClassicTasks Tasks
*/
/*
* COPYRIGHT (c) 1989-2008.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/system.h>
#include <rtems/config.h>
#include <rtems/rtems/status.h>
#include <rtems/rtems/support.h>
#include <rtems/rtems/modes.h>
#include <rtems/score/assert.h>
#include <rtems/score/stack.h>
#include <rtems/rtems/tasksimpl.h>
#include <rtems/score/thread.h>
#include <rtems/score/wkspace.h>
static void _RTEMS_Global_construction( rtems_task_argument arg )
{
Thread_Control *executing = _Thread_Get_executing();
Thread_Entry_information entry = executing->Start.Entry;
entry.Kinds.Numeric.entry =
Configuration_RTEMS_API.User_initialization_tasks_table[ 0 ].entry_point;
(void) arg;
_Thread_Global_construction( executing, &entry );
}
/*
* _RTEMS_tasks_Initialize_user_tasks_body
*
* This routine creates and starts all configured user
* initialization threads.
*
* Input parameters: NONE
*
* Output parameters: NONE
*/
void _RTEMS_tasks_Initialize_user_tasks_body( void )
{
uint32_t index;
uint32_t maximum;
rtems_id id;
rtems_status_code return_value;
rtems_initialization_tasks_table *user_tasks;
bool register_global_construction;
rtems_task_entry entry_point;
/*
* Move information into local variables
*/
user_tasks = Configuration_RTEMS_API.User_initialization_tasks_table;
maximum = Configuration_RTEMS_API.number_of_initialization_tasks;
/*
* Verify that we have a set of user tasks to iterate
*/
if ( !user_tasks )
return;
register_global_construction = true;
/*
* Now iterate over the initialization tasks and create/start them.
*/
for ( index=0 ; index < maximum ; index++ ) {
return_value = rtems_task_create(
user_tasks[ index ].name,
user_tasks[ index ].initial_priority,
user_tasks[ index ].stack_size,
user_tasks[ index ].mode_set,
user_tasks[ index ].attribute_set,
&id
);
if ( !rtems_is_status_successful( return_value ) )
_Terminate( INTERNAL_ERROR_RTEMS_API, true, return_value );
entry_point = user_tasks[ index ].entry_point;
if ( entry_point == NULL ) {
_Terminate(
INTERNAL_ERROR_CORE,
false,
INTERNAL_ERROR_RTEMS_INIT_TASK_ENTRY_IS_NULL
);
}
if ( register_global_construction ) {
register_global_construction = false;
entry_point = _RTEMS_Global_construction;
}
return_value = rtems_task_start(
id,
entry_point,
user_tasks[ index ].argument
);
_Assert( rtems_is_status_successful( return_value ) );
(void) return_value;
}
}
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