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/*
* 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.rtems.com/license/LICENSE.
*
* $Id$
*/
#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;
#if ( CPU_HARDWARE_FP == TRUE ) || ( CPU_SOFTWARE_FP == TRUE )
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;
} else
#endif
is_fp = FALSE;
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
);
}
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