source: rtems/cpukit/score/src/threadloadenv.c @ fa6b0f5

4.104.114.84.95
Last change on this file since fa6b0f5 was a8eed23, checked in by Ralf Corsepius <ralf.corsepius@…>, on 01/27/05 at 05:57:05

Include config.h.

  • Property mode set to 100644
File size: 1.8 KB
Line 
1/*
2 *  Thread Handler
3 *
4 *
5 *  COPYRIGHT (c) 1989-1999.
6 *  On-Line Applications Research Corporation (OAR).
7 *
8 *  The license and distribution terms for this file may be
9 *  found in found in the file LICENSE in this distribution or at
10 *  http://www.rtems.com/license/LICENSE.
11 *
12 *  $Id$
13 */
14
15#if HAVE_CONFIG_H
16#include "config.h"
17#endif
18
19#include <rtems/system.h>
20#include <rtems/score/apiext.h>
21#include <rtems/score/context.h>
22#include <rtems/score/interr.h>
23#include <rtems/score/isr.h>
24#include <rtems/score/object.h>
25#include <rtems/score/priority.h>
26#include <rtems/score/states.h>
27#include <rtems/score/sysstate.h>
28#include <rtems/score/thread.h>
29#include <rtems/score/threadq.h>
30#include <rtems/score/userext.h>
31#include <rtems/score/wkspace.h>
32
33/*PAGE
34 *
35 *  _Thread_Load_environment
36 *
37 *  Load starting environment for another thread from its start area in the
38 *  thread.  Only called from t_restart and t_start.
39 *
40 *  Input parameters:
41 *    the_thread - thread control block pointer
42 *
43 *  Output parameters:  NONE
44 */
45
46void _Thread_Load_environment(
47  Thread_Control *the_thread
48)
49{
50  boolean is_fp;
51
52#if ( CPU_HARDWARE_FP == TRUE ) || ( CPU_SOFTWARE_FP == TRUE )
53  if ( the_thread->Start.fp_context ) {
54    the_thread->fp_context = the_thread->Start.fp_context;
55    _Context_Initialize_fp( &the_thread->fp_context );
56    is_fp = TRUE;
57  } else
58#endif
59    is_fp = FALSE;
60
61
62  the_thread->do_post_task_switch_extension = FALSE;
63  the_thread->is_preemptible   = the_thread->Start.is_preemptible;
64  the_thread->budget_algorithm = the_thread->Start.budget_algorithm;
65  the_thread->budget_callout   = the_thread->Start.budget_callout;
66
67  _Context_Initialize(
68    &the_thread->Registers,
69    the_thread->Start.Initial_stack.area,
70    the_thread->Start.Initial_stack.size,
71    the_thread->Start.isr_level,
72    _Thread_Handler,
73    is_fp
74  );
75
76}
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