Subversion Repositories openrisc

/*

 *  Thread Handler

 *

 *

 *  COPYRIGHT (c) 1989-1999.

 *  On-Line Applications Research Corporation (OAR).

 *

 *  The license and distribution terms for this file may be

 *  found in found in the file LICENSE in this distribution or at

 *  http://www.OARcorp.com/rtems/license.html.

 *

 *  $Id: threadloadenv.c,v 1.2 2001-09-27 11:59:34 chris Exp $

 */

#include <rtems/system.h>

#include <rtems/score/apiext.h>

#include <rtems/score/context.h>

#include <rtems/score/interr.h>

#include <rtems/score/isr.h>

#include <rtems/score/object.h>

#include <rtems/score/priority.h>

#include <rtems/score/states.h>

#include <rtems/score/sysstate.h>

#include <rtems/score/thread.h>

#include <rtems/score/threadq.h>

#include <rtems/score/userext.h>

#include <rtems/score/wkspace.h>

/*PAGE

 *

 *  _Thread_Load_environment

 *

 *  Load starting environment for another thread from its start area in the

 *  thread.  Only called from t_restart and t_start.

 *

 *  Input parameters:

 *    the_thread - thread control block pointer

 *

 *  Output parameters:  NONE

 */

void _Thread_Load_environment(

  Thread_Control *the_thread

)

{

  boolean is_fp = FALSE;

  if ( the_thread->Start.fp_context ) {

    the_thread->fp_context = the_thread->Start.fp_context;

    _Context_Initialize_fp( &the_thread->fp_context );

    is_fp = TRUE;

  }

  the_thread->do_post_task_switch_extension = FALSE;

  the_thread->is_preemptible   = the_thread->Start.is_preemptible;

  the_thread->budget_algorithm = the_thread->Start.budget_algorithm;

  the_thread->budget_callout   = the_thread->Start.budget_callout;

  _Context_Initialize(

    &the_thread->Registers,

    the_thread->Start.Initial_stack.area,

    the_thread->Start.Initial_stack.size,

    the_thread->Start.isr_level,

    _Thread_Handler,

    is_fp

  );

}