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/*
* 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 */
}
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