glibc/sysdeps/standalone/m68k/m68020/mvme136/brdinit.c
2001-07-06 04:56:23 +00:00

52 lines
1.8 KiB
C

/* Copyright (C) 1994, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil),
On-Line Applications Research Corporation.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <standalone.h>
#include "m68020.h"
/* _Board_Initialize()
This routine initializes the Motorola MVME135/MVME136. */
void
_Board_Initialize ()
{
mc68020_isr *monitors_vector_table;
int index;
monitors_vector_table = (mc68020_isr *)0; /* 135Bug Vectors are at 0 */
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 */
set_vbr( &M68Kvec );
(*(unsigned char *)0xfffb0067) = 0x7f; /* make VME access round-robin */
enable_caching ();
}