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/*
* Multiprocessing Manager
*
*
* COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
* On-Line Applications Research Corporation (OAR).
* All rights assigned to U.S. Government, 1994.
*
* This material may be reproduced by or for the U.S. Government pursuant
* to the copyright license under the clause at DFARS 252.227-7013. This
* notice must appear in all copies of this file and its derivatives.
*
* $Id$
*/
#include <rtems/system.h>
#include <rtems/config.h>
#include <rtems/cpu.h>
#include <rtems/event.h>
#include <rtems/fatal.h>
#include <rtems/intthrd.h>
#include <rtems/message.h>
#include <rtems/mp.h>
#include <rtems/mpci.h>
#include <rtems/mppkt.h>
#include <rtems/part.h>
#include <rtems/sem.h>
#include <rtems/signal.h>
#include <rtems/states.h>
#include <rtems/tasks.h>
#include <rtems/thread.h>
#include <rtems/threadq.h>
#include <rtems/watchdog.h>
/*PAGE
*
* _Multiprocessing_Manager_initialization
*
*/
void _Multiprocessing_Manager_initialization ( void )
{
if ( _Configuration_MP_table->node < 1 ||
_Configuration_MP_table->node > _Configuration_MP_table->maximum_nodes )
rtems_fatal_error_occurred( RTEMS_INVALID_NODE );
_Internal_threads_Set_MP_receive_server( _Multiprocessing_Receive_server );
}
/*PAGE
*
* rtems_multiprocessing_announce
*
*/
void rtems_multiprocessing_announce ( void )
{
_Thread_Disable_dispatch();
_Event_sets_Post(
RTEMS_EVENT_0,
&_Internal_threads_System_initialization_thread->pending_events
);
_Event_Surrender( _Internal_threads_System_initialization_thread );
_Thread_Enable_dispatch();
}
/*PAGE
*
* _Multiprocessing_Receive_server
*
*/
typedef void (*packet_processor)( rtems_packet_prefix * );
packet_processor _Multiprocessor_Packet_processors[] = {
_Internal_threads_MP_Process_packet, /* RTEMS_MP_PACKET_INTERNAL_THREADS */
_RTEMS_tasks_MP_Process_packet, /* RTEMS_MP_PACKET_TASKS */
_Message_queue_MP_Process_packet, /* RTEMS_MP_PACKET_MESSAGE_QUEUE */
_Semaphore_MP_Process_packet, /* RTEMS_MP_PACKET_SEMAPHORE */
_Partition_MP_Process_packet, /* RTEMS_MP_PACKET_PARTITION */
0, /* RTEMS_MP_PACKET_REGION */
_Event_MP_Process_packet, /* RTEMS_MP_PACKET_EVENT */
_Signal_MP_Process_packet /* RTEMS_MP_PACKET_SIGNAL */
};
Thread _Multiprocessing_Receive_server (
Thread_Argument ignored
)
{
rtems_packet_prefix *the_packet;
packet_processor the_function;
for ( ; ; ) {
_Thread_Disable_dispatch();
_Event_Seize( RTEMS_EVENT_0, RTEMS_DEFAULT_OPTIONS, RTEMS_NO_TIMEOUT );
_Thread_Enable_dispatch();
for ( ; ; ) {
the_packet = _MPCI_Receive_packet();
if ( !the_packet )
break;
_Thread_Executing->receive_packet = the_packet;
if ( !_Mp_packet_Is_valid_packet_class ( the_packet->the_class ) )
break;
the_function = _Multiprocessor_Packet_processors[ the_packet->the_class ];
if ( !the_function )
break;
(*the_function)( the_packet );
#if 0
switch ( the_packet->the_class ) {
case RTEMS_MP_PACKET_INTERNAL_THREADS:
_Internal_threads_MP_Process_packet( the_packet );
break;
case RTEMS_MP_PACKET_TASKS:
_RTEMS_tasks_MP_Process_packet( the_packet );
break;
case RTEMS_MP_PACKET_MESSAGE_QUEUE:
_Message_queue_MP_Process_packet( the_packet );
break;
case RTEMS_MP_PACKET_SEMAPHORE:
_Semaphore_MP_Process_packet( the_packet );
break;
case RTEMS_MP_PACKET_PARTITION:
_Partition_MP_Process_packet( the_packet );
break;
case RTEMS_MP_PACKET_REGION:
/* Global regions are unsupported at this time */
break;
case RTEMS_MP_PACKET_EVENT:
_Event_MP_Process_packet( the_packet );
break;
case RTEMS_MP_PACKET_SIGNAL:
_Signal_MP_Process_packet( the_packet );
break;
}
#endif
}
}
}
/* end of file */
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