NetBSD/sys/arch/vax/boot/init.c

83 lines
2.7 KiB
C

/* $NetBSD: init.c,v 1.3 1995/09/16 13:34:21 ragge Exp $ */
/*
* Copyright (c) 1995 Ludd, University of Lule}, Sweden. All rights reserved.
*
* This code is derived from software contributed to Ludd by Bertram Barth.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer. 2.
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution. 3. All advertising
* materials mentioning features or use of this software must display the
* following acknowledgement: This product includes software developed at
* Ludd, University of Lule}, Sweden and its contributors. 4. The name of the
* author may not be used to endorse or promote products derived from this
* software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* All bugs are subject to removal without further notice */
#include "lib/libsa/stand.h"
#include "../include/mtpr.h" /* mfpr(), mtpr() */
#include "../include/sid.h" /* cpu_type, cpu_number */
#define NRSP 0 /* Kludge, must be done before udareg.h */
#define NCMD 0 /* includes */
#include "../uba/udareg.h" /* struct udadevice */
#include "data.h" /* bootregs[], rpb, bqo */
struct rpb *rpb;
struct bqo *bqo;
int is_750 = 0, is_mvax = 0;
/*
* initdata() sets up data gotten from start routines, mostly for uVAX.
*/
int
initdata()
{
int i, *tmp;
cpu_type = mfpr(PR_SID);
cpunumber = (mfpr(PR_SID) >> 24) & 0xFF;
switch (cpunumber) {
case VAX_78032:
case VAX_650:
{
int cpu_sie; /* sid-extension */
is_mvax = 1;
cpu_sie = *((int *) 0x20040004) >> 24;
cpu_type |= cpu_sie;
break;
}
case VAX_750:
is_750 = 1;
break;
}
return 0;
}