new file mode 100644
--- /dev/null
+++ b/packages/hal/sh/arch/current/src/hal_syscall.c
@@ -0,0 +1,158 @@
+//=============================================================================
+//
+//      hal_syscall.c
+//
+//      
+//
+//=============================================================================
+//####ECOSGPLCOPYRIGHTBEGIN####
+// -------------------------------------------
+// This file is part of eCos, the Embedded Configurable Operating System.
+// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
+//
+// eCos is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free
+// Software Foundation; either version 2 or (at your option) any later version.
+//
+// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+// for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with eCos; if not, write to the Free Software Foundation, Inc.,
+// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+//
+// As a special exception, if other files instantiate templates or use macros
+// or inline functions from this file, or you compile this file and link it
+// with other works to produce a work based on this file, this file does not
+// by itself cause the resulting work to be covered by the GNU General Public
+// License. However the source code for this file must still be made available
+// in accordance with section (3) of the GNU General Public License.
+//
+// This exception does not invalidate any other reasons why a work based on
+// this file might be covered by the GNU General Public License.
+//
+// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
+// at http://sources.redhat.com/ecos/ecos-license
+// -------------------------------------------
+//####ECOSGPLCOPYRIGHTEND####
+//=============================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):   msalter
+// Contributors:msalter, jskov
+// Date:        2002-02-28
+// Purpose:     
+// Description: 
+//              
+//              
+//
+//####DESCRIPTIONEND####
+//
+//=============================================================================
+
+#include <pkgconf/hal.h>
+
+#include <cyg/hal/hal_stub.h>           // Our header
+#include <cyg/hal/hal_arch.h>           // HAL_BREAKINST
+#include <cyg/hal/hal_cache.h>          // HAL_xCACHE_x
+#include <cyg/hal/hal_intr.h>           // interrupt disable/restore
+
+#include <cyg/hal/hal_if.h>             // ROM calling interface
+#include <cyg/hal/hal_misc.h>           // Helper functions
+
+#include <redboot.h>
+
+extern int __do_syscall(int func,		// syscall function number
+			long arg1, long arg2,	// up to four args.
+			long arg3, long arg4,
+			int *retval,		// syscall return value
+			int *sig);              // signal to return (or 0)
+
+#define _shnewlib_SYS_exit        1
+#define _shnewlib_SYS_fork        2
+
+#define _shnewlib_SYS_read        3
+#define _shnewlib_SYS_write       4
+#define _shnewlib_SYS_open        5
+#define _shnewlib_SYS_close       6
+#define _shnewlib_SYS_wait4       7
+#define _shnewlib_SYS_creat       8
+#define _shnewlib_SYS_link        9
+#define _shnewlib_SYS_unlink      10
+#define _shnewlib_SYS_execv       11
+#define _shnewlib_SYS_chdir       12
+#define _shnewlib_SYS_mknod       14
+#define _shnewlib_SYS_chmod       15
+#define _shnewlib_SYS_chown       16
+#define _shnewlib_SYS_lseek       19
+#define _shnewlib_SYS_getpid      20
+#define _shnewlib_SYS_isatty      21
+#define _shnewlib_SYS_fstat       22
+#define _shnewlib_SYS_time        23
+
+#define _shnewlib_SYS_ARG         24
+#define _shnewlib_SYS_stat        38
+
+#define _shnewlib_SYS_pipe        42
+#define _shnewlib_SYS_execve      59
+
+#define _shnewlib_SYS_utime       201 /* not really a system call */
+#define _shnewlib_SYS_wait        202 /* nor is this */
+
+int
+hal_syscall_handler(void)
+{
+    int func, arg1, arg2, arg3, arg4;
+    int err, sig;
+
+    func = get_register(R4);
+    arg1 = get_register(R5);
+    arg2 = get_register(R6);
+    arg3 = get_register(R7);
+    arg4 = *(unsigned int *)(get_register(SP));
+
+    switch (func) {
+    case _shnewlib_SYS_read:
+        func = SYS_read;
+        break;
+    case _shnewlib_SYS_write:
+        func = SYS_write;
+        break;
+    case _shnewlib_SYS_open:
+        func = SYS_open;
+        break;
+    case _shnewlib_SYS_close:
+        func = SYS_close;
+        break;
+    case _shnewlib_SYS_lseek:
+        func = SYS_lseek;
+        break;
+    case _shnewlib_SYS_utime:
+        func = SYS_utime;
+    default:
+        return SIGTRAP;
+    }
+
+    if (func == SYS_exit) {
+	// We want to stop in exit so that the user may poke around
+	//  to see why his app exited.
+        return SIGTRAP;
+    }
+
+    if (func == SYS_interrupt) {
+	//  A console interrupt landed us here.
+	//  Invoke the debug agent so as to cause a SIGINT.
+        return SIGINT;
+    }
+
+    if (__do_syscall(func, arg1, arg2, arg3, arg4, &err, &sig)) {
+        // R0 is normally result register, but newlib's trap
+        // code looks in R1 for the return value
+        put_register(R1, err);
+	return sig;
+    }
+
+    return SIGTRAP;
+}