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/**
* @file
*
* @brief Initialize Thread Handler
* @ingroup RTEMSScoreThread
*/
/*
* COPYRIGHT (c) 1989-2011.
* 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/score/threadimpl.h>
#include <rtems/score/interr.h>
#include <rtems/score/objectimpl.h>
#include <rtems/score/scheduler.h>
#include <rtems/score/wkspace.h>
#define THREAD_OFFSET_ASSERT( field ) \
RTEMS_STATIC_ASSERT( \
offsetof( Thread_Control, field ) == offsetof( Thread_Proxy_control, field ), \
field \
)
THREAD_OFFSET_ASSERT( Object );
THREAD_OFFSET_ASSERT( Join_queue );
THREAD_OFFSET_ASSERT( current_state );
THREAD_OFFSET_ASSERT( Real_priority );
#if defined(RTEMS_SCORE_THREAD_ENABLE_RESOURCE_COUNT)
THREAD_OFFSET_ASSERT( resource_count );
#endif
THREAD_OFFSET_ASSERT( Scheduler );
THREAD_OFFSET_ASSERT( Wait );
THREAD_OFFSET_ASSERT( Timer );
#if defined(RTEMS_MULTIPROCESSING)
THREAD_OFFSET_ASSERT( receive_packet );
#endif
void _Thread_Initialize_information( Thread_Information *information )
{
_Objects_Initialize_information( &information->Objects );
_Freechain_Initialize(
&information->Thread_queue_heads.Free,
information->Thread_queue_heads.initial,
_Objects_Get_maximum_index( &information->Objects ),
_Thread_queue_Heads_size
);
}
void _Thread_Handler_initialization(void)
{
rtems_stack_allocate_init_hook stack_allocate_init_hook =
rtems_configuration_get_stack_allocate_init_hook();
#if defined(RTEMS_MULTIPROCESSING)
uint32_t maximum_proxies =
_MPCI_Configuration.maximum_proxies;
#endif
if ( rtems_configuration_get_stack_allocate_hook() == NULL ||
rtems_configuration_get_stack_free_hook() == NULL)
_Internal_error( INTERNAL_ERROR_BAD_STACK_HOOK );
if ( stack_allocate_init_hook != NULL )
(*stack_allocate_init_hook)( rtems_configuration_get_stack_space_size() );
#if defined(RTEMS_MULTIPROCESSING)
_Thread_MP_Handler_initialization( maximum_proxies );
#endif
/*
* Initialize the internal class of threads. We need an IDLE thread
* per CPU in an SMP system. In addition, if this is a loosely
* coupled multiprocessing system, account for the MPCI Server Thread.
*/
_Thread_Initialize_information( &_Thread_Information );
}
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