1 files changed, 61 insertions, 0 deletions
diff --git a/cpukit/score/src/userext.c b/cpukit/score/src/userext.c
new file mode 100644
index 0000000000..d0e8efc6c9
--- /dev/null
+++ b/cpukit/score/src/userext.c
@@ -0,0 +1,61 @@
+/**
+ * @file
+ *
+ * @ingroup ScoreUserExt
+ *
+ * @brief User Extension Handler implementation.
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2008.
+ *  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/config.h>
+#include <rtems/score/userext.h>
+#include <rtems/score/wkspace.h>
+#include <string.h>
+
+void _User_extensions_Handler_initialization(void)
+{
+  User_extensions_Control *extension;
+  uint32_t                 i;
+  uint32_t                 number_of_extensions;
+  User_extensions_Table   *initial_extensions;
+
+  number_of_extensions = Configuration.number_of_initial_extensions;
+  initial_extensions   = Configuration.User_extension_table;
+
+  _Chain_Initialize_empty( &_User_extensions_List );
+  _Chain_Initialize_empty( &_User_extensions_Switches_list );
+
+  if ( initial_extensions ) {
+    extension = (User_extensions_Control *)
+      _Workspace_Allocate_or_fatal_error(
+        number_of_extensions * sizeof( User_extensions_Control )
+      );
+
+    memset (
+      extension,
+      0,
+      number_of_extensions * sizeof( User_extensions_Control )
+    );
+
+    for ( i = 0 ; i < number_of_extensions ; i++ ) {
+      _User_extensions_Add_set_with_table (extension, &initial_extensions[i]);
+      extension++;
+    }
+  }
+}
+