source: rtems/cpukit/score/src/objectgetisr.c @ 3127180

4.104.114.84.95
Last change on this file since 3127180 was 3127180, checked in by Ralf Corsepius <ralf.corsepius@…>, on 03/29/04 at 12:51:43

2004-04-29 Ralf Corsepius <ralf_corsepius@…>

  • score/src/Unlimited.txt, score/src/chain.c, score/src/coremsg.c, score/src/coremsgbroadcast.c, score/src/coremsgclose.c, score/src/coremsgflush.c, score/src/coremsgflushsupp.c, score/src/coremsgseize.c, score/src/coremsgsubmit.c, score/src/coremutex.c, score/src/coremutexflush.c, score/src/coresem.c, score/src/coresemflush.c, score/src/coretod.c, score/src/coretodtickle.c, score/src/coretodtoseconds.c, score/src/coretodvalidate.c, score/src/heap.c, score/src/heapallocate.c, score/src/heapextend.c, score/src/heapfree.c, score/src/heapsizeofuserarea.c, score/src/interr.c, score/src/iterateoverthreads.c, score/src/mpci.c, score/src/object.c, score/src/objectallocate.c, score/src/objectallocatebyindex.c, score/src/objectclearname.c, score/src/objectcomparenameraw.c, score/src/objectcomparenamestring.c, score/src/objectcopynameraw.c, score/src/objectcopynamestring.c, score/src/objectextendinformation.c, score/src/objectfree.c, score/src/objectget.c, score/src/objectgetbyindex.c, score/src/objectgetisr.c, score/src/objectgetnoprotection.c, score/src/objectidtoname.c, score/src/objectinitializeinformation.c, score/src/objectmp.c, score/src/objectnametoid.c, score/src/objectshrinkinformation.c, score/src/thread.c, score/src/threadcreateidle.c, score/src/threadget.c, score/src/threadidlebody.c, score/src/threadinitialize.c, score/src/threadmp.c, score/src/threadq.c, score/src/threadqdequeuepriority.c, score/src/threadqenqueuepriority.c, score/src/threadqfirstpriority.c, score/src/threadqflush.c, score/src/threadreset.c, score/src/threadrestart.c, score/src/threadsettransient.c, score/src/threadstackallocate.c, score/src/threadstart.c, score/src/userext.c, score/src/watchdoginsert.c, score/src/wkspace.c: Convert to using c99 fixed size types.
  • Property mode set to 100644
File size: 2.3 KB
Line 
1/*
2 *  Object 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 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/address.h>
17#include <rtems/score/chain.h>
18#include <rtems/score/object.h>
19#if defined(RTEMS_MULTIPROCESSING)
20#include <rtems/score/objectmp.h>
21#endif
22#include <rtems/score/thread.h>
23#include <rtems/score/wkspace.h>
24#include <rtems/score/sysstate.h>
25#include <rtems/score/isr.h>
26
27/*PAGE
28 *
29 * _Objects_Get_isr_disable
30 *
31 * This routine sets the object pointer for the given
32 * object id based on the given object information structure.
33 *
34 * Input parameters:
35 *   information - pointer to entry in table for this class
36 *   id          - object id to search for
37 *   location    - address of where to store the location
38 *   level       - pointer to previous interrupt level
39 *
40 * Output parameters:
41 *   returns  - address of object if local
42 *   location - one of the following:
43 *                  OBJECTS_ERROR  - invalid object ID
44 *                  OBJECTS_REMOTE - remote object
45 *                  OBJECTS_LOCAL  - local object
46 *  *level    - previous interrupt level
47 */
48
49Objects_Control *_Objects_Get_isr_disable(
50  Objects_Information *information,
51  Objects_Id           id,
52  Objects_Locations   *location,
53  ISR_Level           *level_p
54)
55{
56  Objects_Control *the_object;
57  uint32_t         index;
58  ISR_Level        level;
59
60#if defined(RTEMS_MULTIPROCESSING)
61  index = id - information->minimum_id + 1;
62#else
63  /* index = _Objects_Get_index( id ); */
64  index = id & 0x0000ffff;
65  /* This should work but doesn't always :( */
66  /* index = (uint16_t  ) id; */
67#endif
68
69  _ISR_Disable( level );
70  if ( information->maximum >= index ) {
71    if ( (the_object = information->local_table[ index ]) != NULL ) {
72      *location = OBJECTS_LOCAL;
73      *level_p = level;
74      return the_object;
75    }
76    _ISR_Enable( level );
77    *location = OBJECTS_ERROR;
78    return NULL;
79  }
80  _ISR_Enable( level );
81  *location = OBJECTS_ERROR;
82
83#if defined(RTEMS_MULTIPROCESSING)
84  _Objects_MP_Is_remote( information, id, location, &the_object );
85  return the_object;
86#else
87  return NULL;
88#endif
89}
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