Subversion Repositories openrisc_2011-10-31

/*  Task_1

 *

 *  This test serves as a test task.  It verifies timeslicing activities

 *  and tswitch extension processing.

 *

 *  Input parameters:

 *    argument - task argument

 *

 *  Output parameters:  NONE

 *

 *  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 12:02:31 chris Exp $

 */

#include "system.h"

static void

showTaskSwitches (void)

{

  int i;

  int switches = taskSwitchLogIndex;

  for (i = 0 ; i < switches ; i++) {

      put_name( Task_name[taskSwitchLog[i].taskIndex], FALSE );

      print_time( "- ", &taskSwitchLog[i].when, "\n" );

  }

}

rtems_task Task_1(

  rtems_task_argument argument

)

{

  rtems_unsigned32  seconds;

  rtems_unsigned32  old_seconds;

  rtems_mode        previous_mode;

  rtems_time_of_day time;

  rtems_status_code status;

  rtems_unsigned32  start_time;

  rtems_unsigned32  end_time;

  puts( "TA1 - rtems_task_suspend - on Task 2" );

  status = rtems_task_suspend( Task_id[ 2 ] );

  directive_failed( status, "rtems_task_suspend of TA2" );

  puts( "TA1 - rtems_task_suspend - on Task 3" );

  status = rtems_task_suspend( Task_id[ 3 ] );

  directive_failed( status, "rtems_task_suspend of TA3" );

  status = rtems_clock_get( RTEMS_CLOCK_GET_SECONDS_SINCE_EPOCH, &start_time );

  directive_failed( status, "rtems_clock_get" );

  puts( "TA1 - killing time" );

  for ( ; ; ) {

    status = rtems_clock_get( RTEMS_CLOCK_GET_SECONDS_SINCE_EPOCH, &end_time );

    directive_failed( status, "rtems_clock_get" );

    if ( end_time > (start_time + 2) )

      break;

  }

  puts( "TA1 - rtems_task_resume - on Task 2" );

  status = rtems_task_resume( Task_id[ 2 ] );

  directive_failed( status, "rtems_task_resume of TA2" );

  puts( "TA1 - rtems_task_resume - on Task 3" );

  status = rtems_task_resume( Task_id[ 3 ] );

  directive_failed( status, "rtems_task_resume of TA3" );

  while ( FOREVER ) {

    if ( Run_count[ 1 ] == 3 ) {

      puts( "TA1 - rtems_task_mode - change mode to NO RTEMS_PREEMPT" );

      status = rtems_task_mode(

        RTEMS_NO_PREEMPT,

        RTEMS_PREEMPT_MASK,

        &previous_mode

      );

      directive_failed( status, "rtems_task_mode" );

      status = rtems_clock_get( RTEMS_CLOCK_GET_TOD, &time );

      directive_failed( status, "rtems_clock_get" );

      old_seconds = time.second;

      for ( seconds = 0 ; seconds < 6 ; ) {

        status = rtems_clock_get( RTEMS_CLOCK_GET_TOD, &time );

        directive_failed( status, "rtems_clock_get" );

        if ( time.second != old_seconds ) {

          old_seconds = time.second;

          seconds++;

          print_time( "TA1 - ", &time, "\n" );

        }

      }

      puts( "TA1 - rtems_task_mode - change mode to RTEMS_PREEMPT" );

      status = rtems_task_mode(

        RTEMS_PREEMPT,

        RTEMS_PREEMPT_MASK,

        &previous_mode

      );

      directive_failed( status, "rtems_task_mode" );

      while ( !testsFinished );

      showTaskSwitches ();

      puts( "*** END OF TEST 4 ***" );

      exit (0);

    }

  }

}