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Diffstat (limited to 'bsps/m68k/mvme147/start/bspclean.c')
-rw-r--r--bsps/m68k/mvme147/start/bspclean.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/bsps/m68k/mvme147/start/bspclean.c b/bsps/m68k/mvme147/start/bspclean.c
new file mode 100644
index 0000000000..6606b9a249
--- /dev/null
+++ b/bsps/m68k/mvme147/start/bspclean.c
@@ -0,0 +1,49 @@
+/*
+ * This routine returns control to 147Bug.
+ */
+
+/*
+ * 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.
+ *
+ * MVME147 port for TNI - Telecom Bretagne
+ * by Dominique LE CAMPION (Dominique.LECAMPION@enst-bretagne.fr)
+ * May 1996
+ */
+
+#include <bsp.h>
+#include <bsp/bootcard.h>
+
+extern void start(void);
+
+static rtems_isr bsp_return_to_monitor_trap(
+ rtems_vector_number vector
+)
+{
+ 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_fatal_extension(
+ rtems_fatal_source source,
+ bool always_set_to_false,
+ rtems_fatal_code error
+)
+{
+ 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" ); /* ensures SUPV mode */
+}