new file mode 100644
--- /dev/null
+++ b/packages/hal/mn10300/stb/current/include/hal_diag.h
@@ -0,0 +1,71 @@
+#ifndef CYGONCE_HAL_HAL_DIAG_H
+#define CYGONCE_HAL_HAL_DIAG_H
+
+/*=============================================================================
+//
+//      hal_diag.h
+//
+//      HAL Support for Kernel Diagnostic Routines
+//
+//=============================================================================
+//####COPYRIGHTBEGIN####
+//                                                                          
+// -------------------------------------------                              
+// The contents of this file are subject to the Red Hat eCos Public License 
+// Version 1.1 (the "License"); you may not use this file except in         
+// compliance with the License.  You may obtain a copy of the License at    
+// http://www.redhat.com/                                                   
+//                                                                          
+// 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 Configurable Operating System,      
+// released September 30, 1998.                                             
+//                                                                          
+// The Initial Developer of the Original Code is Red Hat.                   
+// Portions created by Red Hat are                                          
+// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.                             
+// All Rights Reserved.                                                     
+// -------------------------------------------                              
+//                                                                          
+//####COPYRIGHTEND####
+//=============================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):   nickg
+// Contributors:        nickg
+// Date:        1998-03-02
+// Purpose:     HAL Support for Kernel Diagnostic Routines
+// Description: Diagnostic routines for use during kernel development.
+// Usage:       #include "cyg/hal/hal_diag.h"
+//
+//####DESCRIPTIONEND####
+//
+//===========================================================================*/
+
+#include <pkgconf/hal.h>
+
+#include <cyg/infra/cyg_type.h>
+
+/*---------------------------------------------------------------------------*/
+/* functions implemented in hal_diag.c                                       */
+
+externC void hal_diag_init(void);
+
+externC void hal_diag_write_char(char c);
+
+externC void hal_diag_read_char(char *c);
+
+/*---------------------------------------------------------------------------*/
+
+#define HAL_DIAG_INIT() hal_diag_init()
+
+#define HAL_DIAG_WRITE_CHAR(_c_) hal_diag_write_char(_c_)
+
+#define HAL_DIAG_READ_CHAR(_c_) hal_diag_read_char(&_c_)
+
+/*---------------------------------------------------------------------------*/
+/* end of hal_diag.h                                                         */
+#endif /* CYGONCE_HAL_HAL_DIAG_H */