Subversion Repositories openrisc_me

/*
 *
 *  COPYRIGHT (c) 1989-1999.
 *  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.OARcorp.com/rtems/license.html.
 *
 *  $Id: task1.c,v 1.2 2001-09-27 12:02:41 chris Exp $
 */
 
#define TEST_INIT
#include "system.h"
 
rtems_id Task_id[ OPERATION_COUNT + 1 ];
 
rtems_unsigned32 Task_restarted;
 
rtems_task null_task(
  rtems_task_argument argument
);
 
rtems_task Task_1(
  rtems_task_argument argument
);
 
void test_init( void );
 
rtems_task Init(
  rtems_task_argument argument
)
{
  rtems_status_code status;
 
  Print_Warning();
 
  puts( "\n\n*** TIME TEST 6 ***" );
 
  test_init();
 
  status = rtems_task_delete( RTEMS_SELF );
  directive_failed( status, "rtems_task_delete of RTEMS_SELF" );
}
 
void test_init( void )
{
  rtems_status_code status;
  rtems_id id;
 
  Task_restarted = OPERATION_COUNT;
 
  status = rtems_task_create(
    rtems_build_name( 'T', 'I', 'M', 'E' ),
    128,
    RTEMS_MINIMUM_STACK_SIZE,
    RTEMS_DEFAULT_MODES,
    RTEMS_DEFAULT_ATTRIBUTES,
    &id
  );
  directive_failed( status, "rtems_task_create" );
 
  status = rtems_task_start( id, Task_1, 0 );
  directive_failed( status, "rtems_task_start" );
}
 
rtems_task Task_1(
  rtems_task_argument argument
)
{
  rtems_status_code status;
  rtems_unsigned32  index;
 
  if ( Task_restarted == OPERATION_COUNT )
     Timer_initialize();
 
  Task_restarted--;
 
  if ( Task_restarted != 0 )
    (void) rtems_task_restart( RTEMS_SELF, 0 );
 
  end_time = Read_timer();
 
  Timer_initialize();
    for ( index=1 ; index <= OPERATION_COUNT ; index++ )
      (void) Empty_function();
  overhead = Read_timer();
 
  put_time(
    "rtems_task_restart: calling task",
    end_time,
    OPERATION_COUNT,
    overhead,
    CALLING_OVERHEAD_TASK_RESTART
  );
 
  for ( index=1 ; index <= OPERATION_COUNT ; index++ ) {
    status = rtems_task_create(
      rtems_build_name( 'T', 'I', 'M', 'E' ),
      254,
      RTEMS_MINIMUM_STACK_SIZE,
      RTEMS_DEFAULT_MODES,
      RTEMS_DEFAULT_ATTRIBUTES,
      &Task_id[ index ]
    );
    directive_failed( status, "rtems_task_create loop" );
 
    status = rtems_task_start( Task_id[ index ], null_task, 0 );
    directive_failed( status, "rtems_task_start loop" );
  }
 
  Timer_initialize();
    for ( index=1 ; index <= OPERATION_COUNT ; index++ )
      (void) rtems_task_suspend( Task_id[ index ] );
  end_time = Read_timer();
 
  put_time(
    "rtems_task_suspend: returns to caller",
    end_time,
    OPERATION_COUNT,
    0,
    CALLING_OVERHEAD_TASK_SUSPEND
  );
 
  Timer_initialize();
    for ( index=1 ; index <= OPERATION_COUNT ; index++ )
      (void) rtems_task_resume( Task_id[ index ] );
  end_time = Read_timer();
 
  put_time(
    "rtems_task_resume: task readied -- returns to caller",
    end_time,
    OPERATION_COUNT,
    0,
    CALLING_OVERHEAD_TASK_RESUME
  );
 
  Timer_initialize();
    for ( index=1 ; index <= OPERATION_COUNT ; index++ )
      (void) rtems_task_delete( Task_id[ index ] );
  end_time = Read_timer();
 
  put_time(
    "rtems_task_delete: ready task",
    end_time,
    OPERATION_COUNT,
    0,
    CALLING_OVERHEAD_TASK_RESUME
  );
 
  puts( "*** END OF TEST 6 ***" );
  exit( 0 );
}
 
rtems_task null_task(
  rtems_task_argument argument
)
{
  while ( FOREVER )
    ;
}