1 files changed, 45 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/m68k/mvme147/startup/bspclean.c b/c/src/lib/libbsp/m68k/mvme147/startup/bspclean.c
new file mode 100644
index 0000000000..7b052c8cfd
--- /dev/null
+++ b/c/src/lib/libbsp/m68k/mvme147/startup/bspclean.c
@@ -0,0 +1,45 @@
+/*
+ *  This routine returns control to 147Bug.
+ *
+ *  COPYRIGHT (c) 1989-1997.
+ *  On-Line Applications Research Corporation (OAR).
+ *  Copyright assigned to U.S. Government, 1994.
+ *
+ *  The license and distribution terms for this file may in
+ *  the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  MVME147 port for TNI - Telecom Bretagne
+ *  by Dominique LE CAMPION (Dominique.LECAMPION@enst-bretagne.fr)
+ *  May 1996
+ *
+ *  $Id$
+ */
+
+#include <rtems.h>
+#include <bsp.h>
+#include <clockdrv.h>
+
+void bsp_return_to_monitor_trap()
+{
+  extern void start( void  );
+
+  register volatile void *start_addr;
+
+  m68k_set_vbr( 0 );                /* restore 147Bug vectors */
+  asm volatile( "trap   #15"  );    /* trap to 147Bug */
+  asm volatile( ".short 0x63" );    /* return to 147Bug (.RETURN) */
+                                    /* restart program */
+  start_addr = start;
+
+  asm volatile ( "jmp %0@" : "=a" (start_addr) : "0" (start_addr) );
+}
+
+void bsp_cleanup( void )
+{
+   pcc->timer1_int_control = 0; /* Disable Timer 1 */
+   pcc->timer2_int_control = 0; /* Disable Timer 2 */
+
+   M68Kvec[ 45 ] = bsp_return_to_monitor_trap;   /* install handler */
+   asm volatile( "trap #13" );  /* insures SUPV mode */
+}