Add FreeRTOS-Plus directory.

FreeRTOS/Demo/HCS12_GCC_banked/asm-m68hcs12/arch-dragon12/arch/exit.h

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+/* exit.h - Dragon12 development board
+   Copyright (C) 2004 Robotronics, Inc.
+   Author Jefferson Smith, Robotronics
+
+This file 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.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file with other programs, and to distribute
+those programs without any restriction coming from the use of this
+file.  (The General Public License restrictions do apply in other
+respects; for example, they cover modification of the file, and
+distribution when not linked into another program.)
+
+This file 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 this program; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#ifndef _M68HC12_ARCH_DRAGON12_EXIT_H
+#define _M68HC12_ARCH_DRAGON12_EXIT_H
+
+extern void _exit (short status) __attribute__((noreturn));
+
+/* For Dbug monitor, use swi to enter in the monitor upon exit.  */
+extern inline void
+_exit (short status)
+{
+  while (1) {
+    __asm__ __volatile__ ("bgnd" : : );
+    __asm__ __volatile__ ("swi" : : "d"(status));
+  }
+}
+
+#endif