new file mode 100644
--- /dev/null
+++ b/packages/hal/sh/arch/current/src/hal_mk_defs.c
@@ -0,0 +1,110 @@
+//==========================================================================
+//
+//      hal_mk_defs.c
+//
+//      HAL (architecture) "make defs" program
+//
+//==========================================================================
+//####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):    gthomas
+// Contributors: gthomas, jskov
+// Date:         2000-02-21
+// Purpose:      SH architecture dependent definition generator
+// Description:  This file contains code that can be compiled by the target
+//               compiler and used to generate machine specific definitions
+//               suitable for use in assembly code.
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#include <pkgconf/hal.h>
+
+#include <cyg/hal/hal_arch.h>           // HAL header
+#include <cyg/hal/hal_intr.h>           // HAL header
+#ifdef CYGPKG_KERNEL
+# include <pkgconf/kernel.h>
+# include <cyg/kernel/instrmnt.h>
+#endif
+
+/*
+ * This program is used to generate definitions needed by
+ * assembly language modules.
+ *
+ * This technique was first used in the OSF Mach kernel code:
+ * generate asm statements containing #defines,
+ * compile this file to assembler, and then extract the
+ * #defines from the assembly-language output.
+ */
+
+#define DEFINE(sym, val) \
+        asm volatile("\n\t.equ\t" #sym ",%0" : : "i" (val))
+
+int
+main(void)
+{
+    // setjmp/longjmp buffer
+    DEFINE(CYGARC_JMPBUF_SP, offsetof(hal_jmp_buf_t, sp));
+    DEFINE(CYGARC_JMPBUF_PR, offsetof(hal_jmp_buf_t, pr));
+    DEFINE(CYGARC_JMPBUF_R8, offsetof(hal_jmp_buf_t, r8));
+    DEFINE(CYGARC_JMPBUF_R9, offsetof(hal_jmp_buf_t, r9));
+    DEFINE(CYGARC_JMPBUF_R10, offsetof(hal_jmp_buf_t, r10));
+    DEFINE(CYGARC_JMPBUF_R11, offsetof(hal_jmp_buf_t, r11));
+    DEFINE(CYGARC_JMPBUF_R12, offsetof(hal_jmp_buf_t, r12));
+    DEFINE(CYGARC_JMPBUF_R13, offsetof(hal_jmp_buf_t, r13));
+    DEFINE(CYGARC_JMPBUF_R14, offsetof(hal_jmp_buf_t, r14));
+
+    // Exception/interrupt/context save buffer
+    DEFINE(CYGARC_SHREG_REGS, offsetof(HAL_SavedRegisters, r[0]));
+    DEFINE(CYGARC_SHREG_MACH, offsetof(HAL_SavedRegisters, mach));
+    DEFINE(CYGARC_SHREG_MACL, offsetof(HAL_SavedRegisters, macl));
+    DEFINE(CYGARC_SHREG_PR, offsetof(HAL_SavedRegisters, pr));
+    DEFINE(CYGARC_SHREG_SR, offsetof(HAL_SavedRegisters, sr));
+    DEFINE(CYGARC_SHREG_PC, offsetof(HAL_SavedRegisters, pc));
+    DEFINE(CYGARC_SH_CONTEXT_SIZE, offsetof(HAL_SavedRegisters, context_size));
+
+    // Below only saved on exceptions/interrupts
+    DEFINE(CYGARC_SHREG_VBR, offsetof(HAL_SavedRegisters, vbr));
+    DEFINE(CYGARC_SHREG_GBR, offsetof(HAL_SavedRegisters, gbr));
+    DEFINE(CYGARC_SHREG_EVENT, offsetof(HAL_SavedRegisters, event));
+    DEFINE(CYGARC_SH_EXCEPTION_SIZE, sizeof(HAL_SavedRegisters));
+
+    DEFINE(CYGARC_SH_EXCEPTION_DECREMENT, sizeof(HAL_SavedRegisters));
+
+    // Some other exception related definitions
+    DEFINE(CYGNUM_HAL_ISR_COUNT, CYGNUM_HAL_ISR_COUNT);
+    DEFINE(CYGNUM_HAL_VECTOR_INTERRUPT, CYGNUM_HAL_VECTOR_INTERRUPT);
+    DEFINE(CYGNUM_HAL_VSR_MAX, CYGNUM_HAL_VSR_MAX);
+    DEFINE(CYGNUM_HAL_VSR_COUNT, CYGNUM_HAL_VSR_COUNT);
+    DEFINE(CYGNUM_HAL_VSR_EXCEPTION_COUNT, CYGNUM_HAL_VSR_EXCEPTION_COUNT);
+
+    // Variant definitions - want these to be included instead.
+}
+
+//--------------------------------------------------------------------------
+// EOF hal_mk_defs.c