new file mode 100644
--- /dev/null
+++ b/packages/hal/sh/cq7708/current/src/plf_stub.c
@@ -0,0 +1,58 @@
+//=============================================================================
+//
+//      plf_stub.c
+//
+//      Platform specific code for GDB stub support.
+//
+//=============================================================================
+//####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):   jskov
+// Contributors:jskov
+// Date:        1999-05-18
+// Purpose:     Platform specific code for GDB stub support.
+//              
+//####DESCRIPTIONEND####
+//
+//=============================================================================
+
+#include <pkgconf/hal.h>
+
+#ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
+
+#include <cyg/hal/hal_stub.h>
+
+//----------------------------------------------------------------------------
+// Include the serial driver.
+#define CYG_SCI_STUB
+#define CYG_SCI_PUBLIC
+#define CYG_SCI_NAME_PREFIX hal_sci_stub_
+#include <cyg/hal/sh_sci.inl>
+
+#endif // ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
+//-----------------------------------------------------------------------------
+// End of plf_stub.c