new file mode 100644
--- /dev/null
+++ b/packages/hal/arm/cma230/current/include/plf_stub.h
@@ -0,0 +1,82 @@
+#ifndef CYGONCE_HAL_PLF_STUB_H
+#define CYGONCE_HAL_PLF_STUB_H
+
+//=============================================================================
+//
+//      plf_stub.h
+//
+//      Platform header for GDB stub support.
+//
+//=============================================================================
+//####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, 1999 Cygnus Solutions.
+// All Rights Reserved.
+// -------------------------------------------
+//
+//####COPYRIGHTEND####
+//=============================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):   jskov
+// Contributors:jskov, gthomas
+// Date:        1999-04-21
+// Purpose:     Platform HAL stub support for Cogent CMA230 boards.
+// Usage:       #include <cyg/hal/plf_stub.h>
+//              
+//####DESCRIPTIONEND####
+//
+//=============================================================================
+
+#include <pkgconf/hal.h>
+#include <pkgconf/hal_arm_cma230.h>
+
+#ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
+
+#include <cyg/infra/cyg_type.h>         // CYG_UNUSED_PARAM
+
+#include <cyg/hal/arm_stub.h>           // architecture stub support
+
+//----------------------------------------------------------------------------
+// Define serial stuff.
+
+extern void hal_cma230_init_serial(void);
+extern int  hal_cma230_get_char(void);
+extern void hal_cma230_put_char(int c);
+extern int  hal_cma230_interruptible(int);
+
+#define HAL_STUB_PLATFORM_INIT_SERIAL()       hal_cma230_init_serial()
+#define HAL_STUB_PLATFORM_GET_CHAR()          hal_cma230_get_char()
+#define HAL_STUB_PLATFORM_PUT_CHAR(c)         hal_cma230_put_char((c))
+#define HAL_STUB_PLATFORM_SET_BAUD_RATE(baud) CYG_UNUSED_PARAM(int, (baud))
+#define HAL_STUB_PLATFORM_INTERRUPTIBLE       (&hal_cma230_interruptible)
+#define HAL_STUB_PLATFORM_INIT_BREAK_IRQ()    CYG_EMPTY_STATEMENT
+
+//----------------------------------------------------------------------------
+// Stub initializer.
+#define HAL_STUB_PLATFORM_STUBS_INIT()        CYG_EMPTY_STATEMENT
+
+//----------------------------------------------------------------------------
+// Reset.
+#define HAL_STUB_PLATFORM_RESET()             CYG_EMPTY_STATEMENT
+
+#endif // ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
+
+//-----------------------------------------------------------------------------
+#endif // CYGONCE_HAL_PLF_STUB_H
+// End of plf_stub.h