path: root/bsps/m68k/mvme147/start/bspstart.c

/*
 *  This routine does the bulk of the system initialization.
 */

/*
 *  COPYRIGHT (c) 1989-1999.
 *  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>

void bsp_start( void )
{
  rtems_isr_entry       *monitors_vector_table;
  int                   index;

  monitors_vector_table = (rtems_isr_entry *)0;   /* 135Bug Vectors are at 0 */
  m68k_set_vbr( monitors_vector_table );

  for ( index=2 ; index<=255 ; index++ )
    M68Kvec[ index ] = monitors_vector_table[ 32 ];

  M68Kvec[  2 ] = monitors_vector_table[  2 ];   /* bus error vector */
  M68Kvec[  4 ] = monitors_vector_table[  4 ];   /* breakpoints vector */
  M68Kvec[  9 ] = monitors_vector_table[  9 ];   /* trace vector */
  M68Kvec[ 47 ] = monitors_vector_table[ 47 ];   /* system call vector */

  m68k_set_vbr( &M68Kvec );

  pcc->int_base_vector = PCC_BASE_VECTOR; /* Set the PCC int vectors base */

  (*(uint8_t*)0xfffe2001) = 0x08;         /* make VME access round-robin */

  rtems_cache_enable_instruction();
  rtems_cache_enable_data();
}