Subversion Repositories openrisc_2011-10-31

/*  Task_switch

 *

 *  This routine is the tswitch user extension.  It determines which

 *  task is being switched to and displays a message indicating the

 *  time and date that it gained control.

 *

 *  Input parameters:

 *    unused  - pointer to currently running TCB

 *    heir    - pointer to heir TCB

 *

 *  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: tswitch.c,v 1.2 2001-09-27 12:02:31 chris Exp $

 */

#include "system.h"

struct taskSwitchLog taskSwitchLog[1000];

int taskSwitchLogIndex;

volatile int testsFinished;

rtems_extension Task_switch(

  rtems_tcb *unused,

  rtems_tcb *heir

)

{

  rtems_unsigned32  index;

  rtems_time_of_day time;

  rtems_status_code status;

  index = task_number( heir->Object.id );

  switch( index ) {

    case 1:

    case 2:

    case 3:

      Run_count[ index ] += 1;

      status = rtems_clock_get( RTEMS_CLOCK_GET_TOD, &time );

      directive_failed_with_level( status, "rtems_clock_get", 1 );

      if (taskSwitchLogIndex < (sizeof taskSwitchLog / sizeof taskSwitchLog[0])) {

        taskSwitchLog[taskSwitchLogIndex].taskIndex = index;

        taskSwitchLog[taskSwitchLogIndex].when = time;

        taskSwitchLogIndex++;

      }

      if ( time.second >= 16 )

        testsFinished = 1;

      break;

    case 0:

    default:

      break;

  }

}