new file mode 100644
--- /dev/null
+++ b/packages/kernel/current/include/diag.h
@@ -0,0 +1,55 @@
+#ifndef CYGONCE_KERNEL_DIAG_H
+#define CYGONCE_KERNEL_DIAG_H
+
+/*=============================================================================
+//
+//	diag.h
+//
+//	Diagnostic Routines for Kernel Development
+//
+//==========================================================================
+//####COPYRIGHTBEGIN####
+//
+// -------------------------------------------
+// The contents of this file are subject to the Cygnus eCos Public License
+// Version 1.0 (the "License"); you may not use this file except in
+// compliance with the License.  You may obtain a copy of the License at
+// http://sourceware.cygnus.com/ecos
+// 
+// Software distributed under the License is distributed on an "AS IS"
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the
+// License for the specific language governing rights and limitations under
+// the License.
+// 
+// The Original Code is eCos - Embedded Cygnus Operating System, released
+// September 30, 1998.
+// 
+// The Initial Developer of the Original Code is Cygnus.  Portions created
+// by Cygnus are Copyright (C) 1998 Cygnus Solutions.  All Rights Reserved.
+// -------------------------------------------
+//
+//####COPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s): 	nickg
+// Contributors:	nickg
+// Date:	1998-03-02
+// Purpose:	Diagnostic Routines for Kernel Development
+// Description:	Diagnostic routines for use during kernel development.
+// Usage:	#include <cyg/kernel/diag.h>
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================*/
+
+// These have now migrated to here:
+
+#include <cyg/infra/diag.h>
+
+// this file is retained for the kernel to add to the functionality
+// in the knowledge that there _is_ a kernel.
+
+/*---------------------------------------------------------------------------*/
+#endif /* CYGONCE_KERNEL_DIAG_H */
+/* EOF diag.h */