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/*
* Scheduler Handler
*
* Copyright (C) 2010 Gedare Bloom.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/system.h>
#include <rtems/config.h>
#include <rtems/score/chain.h>
#include <rtems/score/isr.h>
#include <rtems/score/object.h>
#include <rtems/score/scheduler.h>
#include <rtems/score/schedulerpriority.h>
#include <rtems/score/states.h>
#include <rtems/score/thread.h>
/* Instantiate any global variables needed by the priority scheduler */
volatile Priority_bit_map_Control _Priority_Major_bit_map;
Priority_bit_map_Control _Priority_Bit_map[16] CPU_STRUCTURE_ALIGNMENT;
/*
* _Scheduler_priority_Initialize
*
* Initializes the scheduler for priority scheduling.
*
* Input parameters:
* the_scheduler - pointer to scheduler control
*
* Output parameters: NONE
*/
void _Scheduler_priority_Initialize (
Scheduler_Control *the_scheduler
)
{
/* the operations table is a jump table to redirect generic scheduler
* function calls to scheduler implementation specific functions. The
* main purpose of scheduler initialization is to set up the jump table
* for the scheduler. Every scheduler implementation provides its own
* scheduler operations table.
*/
the_scheduler->operations.schedule = &_Scheduler_priority_Schedule;
the_scheduler->operations.yield = &_Scheduler_priority_Yield;
the_scheduler->operations.block = &_Scheduler_priority_Block;
the_scheduler->operations.unblock = &_Scheduler_priority_Unblock;
the_scheduler->operations.scheduler_allocate =
&_Scheduler_priority_Thread_scheduler_allocate;
the_scheduler->operations.scheduler_free =
&_Scheduler_priority_Thread_scheduler_free;
the_scheduler->operations.scheduler_update =
&_Scheduler_priority_Thread_scheduler_update;
_Scheduler_priority_Ready_queue_initialize( the_scheduler );
_Priority_bit_map_Handler_initialization( );
}
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