source: rtems/cpukit/score/src/threadcreateidle.c @ 7fa97181

Last change on this file since 7fa97181 was 7fa97181, checked in by Joel Sherrill <joel.sherrill@…>, on Nov 25, 2003 at 2:51:49 PM

2003-11-25 Joel Sherrill <joel@…>

PR 526/rtems

  • src/threadcreateidle.c: Idle task name should be a string and PR484 broke this.
  • Property mode set to 100644
File size: 2.2 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#include <rtems/system.h>
16#include <rtems/score/apiext.h>
17#include <rtems/score/context.h>
18#include <rtems/score/interr.h>
19#include <rtems/score/isr.h>
20#include <rtems/score/object.h>
21#include <rtems/score/priority.h>
22#include <rtems/score/states.h>
23#include <rtems/score/sysstate.h>
24#include <rtems/score/thread.h>
25#include <rtems/score/threadq.h>
26#include <rtems/score/userext.h>
27#include <rtems/score/wkspace.h>
28
29/*PAGE
30 *
31 *  _Thread_Create_idle
32 */
33
34const char *_Thread_Idle_name = "IDLE";
35
36void _Thread_Create_idle( void )
37{
38  void       *idle;
39  unsigned32  idle_task_stack_size;
40
41  /*
42   *  The entire workspace is zeroed during its initialization.  Thus, all
43   *  fields not explicitly assigned were explicitly zeroed by
44   *  _Workspace_Initialization.
45   */
46 
47  _Thread_Idle = _Thread_Internal_allocate();
48 
49  /*
50   *  Initialize the IDLE task.
51   */
52 
53#if (CPU_PROVIDES_IDLE_THREAD_BODY == TRUE)
54  idle = (void *) _CPU_Thread_Idle_body;
55#else
56  idle = (void *) _Thread_Idle_body;
57#endif
58 
59  if ( _CPU_Table.idle_task )
60    idle = _CPU_Table.idle_task;
61 
62  idle_task_stack_size =  _CPU_Table.idle_task_stack_size;
63  if ( idle_task_stack_size < STACK_MINIMUM_SIZE )
64    idle_task_stack_size = STACK_MINIMUM_SIZE;
65 
66  _Thread_Initialize(
67    &_Thread_Internal_information,
68    _Thread_Idle,
69    NULL,        /* allocate the stack */
70    idle_task_stack_size,
71    CPU_IDLE_TASK_IS_FP,
72    PRIORITY_MAXIMUM,
73    TRUE,        /* preemptable */
74    THREAD_CPU_BUDGET_ALGORITHM_NONE,
75    NULL,        /* no budget algorithm callout */
76    0,           /* all interrupts enabled */
77    (Objects_Name) _Thread_Idle_name
78  );
79 
80  /*
81   *  WARNING!!! This is necessary to "kick" start the system and
82   *             MUST be done before _Thread_Start is invoked.
83   */
84 
85  _Thread_Heir      =
86  _Thread_Executing = _Thread_Idle;
87 
88  _Thread_Start(
89    _Thread_Idle,
90    THREAD_START_NUMERIC,
91    idle,
92    NULL,
93    0
94  );
95 
96}
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