new file mode 100644
--- /dev/null
+++ b/packages/hal/sh/edk/current/src/plf_misc.c
@@ -0,0 +1,102 @@
+//==========================================================================
+//
+//      plf_misc.c
+//
+//      HAL platform miscellaneous functions
+//
+//==========================================================================
+//####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,nickg, jlarmour
+// Date:         1999-10-13
+// Purpose:      HAL miscellaneous functions
+// Description:  This file contains miscellaneous functions provided by the
+//               HAL.
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#include <pkgconf/hal.h>
+
+#include <cyg/infra/cyg_type.h>         // Base types
+
+#include <cyg/hal/hal_arch.h>           // architectural definitions
+
+#include <cyg/hal/hal_intr.h>           // Interrupt handling
+
+#include <cyg/hal/hal_cache.h>          // Cache handling
+
+#ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
+#include <cyg/hal/hal_stub.h>           // stub functionality
+#endif
+
+//--------------------------------------------------------------------------
+// Functions to support the detection and execution of a user provoked
+// program break. These are usually called from interrupt routines.
+
+cyg_bool
+cyg_hal_is_break(char *buf, int size)
+{
+    while( size )
+        if( buf[--size] == 0x03 ) return true;
+
+    return false;
+}
+
+void
+cyg_hal_user_break( CYG_ADDRWORD *regs )
+{
+#ifdef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
+    HAL_SavedRegisters *__sreg = (HAL_SavedRegisters *)regs;
+    target_register_t __pc;
+
+    if (__sreg)
+        __pc = (target_register_t) __sreg->pc;
+    else
+        __pc = (target_register_t) &&safe_breakpoint;
+    
+    // Note: This would be better for the else case but doesn't work
+    // at the moment.  CR: 101357
+    // __pc = (target_register_t) __builtin_return_address(0);
+
+    cyg_hal_gdb_interrupt (__pc);
+
+ safe_breakpoint:
+#elif defined(CYGSEM_HAL_USE_ROM_MONITOR_GDB_stubs)
+
+    // Note: Need to communicate to the ROM stub instead
+    HAL_BREAKPOINT(breakinst);
+
+#else
+
+    HAL_BREAKPOINT(breakinst);
+
+#endif
+
+}