1 files changed, 47 insertions, 0 deletions
diff --git a/bsps/m68k/mvme162/start/bspclean.c b/bsps/m68k/mvme162/start/bspclean.c
new file mode 100644
index 0000000000..dd91f96b1a
--- /dev/null
+++ b/bsps/m68k/mvme162/start/bspclean.c
@@ -0,0 +1,47 @@
+/*
+ *  This routine returns control to 162Bug.
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2014.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.org/license/LICENSE.
+ *
+ *  Modifications of respective RTEMS file: COPYRIGHT (c) 1994.
+ *  EISCAT Scientific Association. M.Savitski
+ *
+ *  This material is a part of the MVME162 Board Support Package
+ *  for the RTEMS executive. Its licensing policies are those of the
+ *  RTEMS above.
+ */
+
+#include <bsp.h>
+#include <bsp/bootcard.h>
+#include <rtems/zilog/z8036.h>
+#include <page_table.h>
+
+static rtems_isr bsp_return_to_monitor_trap(
+  rtems_vector_number vector
+)
+{
+  page_table_teardown();
+
+  lcsr->intr_ena = 0;                    /* disable interrupts */
+  m68k_set_vbr(MOT_162BUG_VEC_ADDRESS);  /* restore 162Bug vectors */
+
+  __asm__ volatile( "trap   #15"  );    /* trap to 162Bug */
+  __asm__ volatile( ".short 0x63" );    /* return to 162Bug (.RETURN) */
+}
+
+void bsp_fatal_extension(
+  rtems_fatal_source source,
+  bool always_set_to_false,
+  rtems_fatal_code error
+)
+{
+   M68Kvec[ 45 ] = bsp_return_to_monitor_trap;   /* install handler */
+   __asm__ volatile( "trap #13" );               /* ensures SUPV mode */
+}