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-rw-r--r--cpukit/score/src/objectgetnoprotection.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/cpukit/score/src/objectgetnoprotection.c b/cpukit/score/src/objectgetnoprotection.c
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+/*
+ * Object Handler -- Object Get
+ *
+ *
+ * COPYRIGHT (c) 1989-2002.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ *
+ * $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/system.h>
+#include <rtems/score/address.h>
+#include <rtems/score/chain.h>
+#include <rtems/score/object.h>
+#if defined(RTEMS_MULTIPROCESSING)
+#include <rtems/score/objectmp.h>
+#endif
+#include <rtems/score/thread.h>
+#include <rtems/score/wkspace.h>
+#include <rtems/score/sysstate.h>
+#include <rtems/score/isr.h>
+
+/*PAGE
+ *
+ * _Objects_Get_no_protection
+ *
+ * This routine sets the object pointer for the given
+ * object id based on the given object information structure.
+ *
+ * Input parameters:
+ * information - pointer to entry in table for this class
+ * id - object id to search for
+ * location - address of where to store the location
+ *
+ * Output parameters:
+ * returns - address of object if local
+ * location - one of the following:
+ * OBJECTS_ERROR - invalid object ID
+ * OBJECTS_REMOTE - remote object
+ * OBJECTS_LOCAL - local object
+ */
+
+Objects_Control *_Objects_Get_no_protection(
+ Objects_Information *information,
+ Objects_Id id,
+ Objects_Locations *location
+)
+{
+ Objects_Control *the_object;
+ uint32_t index;
+
+ /*
+ * You can't just extract the index portion or you can get tricked
+ * by a value between 1 and maximum.
+ */
+ index = id - information->minimum_id + 1;
+
+ if ( information->maximum >= index ) {
+ if ( (the_object = information->local_table[ index ]) != NULL ) {
+ *location = OBJECTS_LOCAL;
+ return the_object;
+ }
+ }
+
+ /*
+ * This isn't supported or required yet for Global objects so
+ * if it isn't local, we don't find it.
+ */
+ *location = OBJECTS_ERROR;
+ return NULL;
+}