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/* $OpenBSD: rom.c,v 1.2 1997/05/29 00:04:24 niklas Exp $ */
/* $NetBSD: rom.c,v 1.1 1996/08/02 11:22:21 ragge Exp $ */
/*
* Copyright (c) 1996 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.
*/
#include "sys/param.h"
#include "sys/reboot.h"
#include "sys/disklabel.h"
#include "lib/libsa/stand.h"
#include "lib/libsa/ufs.h"
#include "../include/pte.h"
#include "../include/sid.h"
#include "../include/mtpr.h"
#include "../include/reg.h"
#include "../include/rpb.h"
#include "data.h"
#include "vaxstand.h"
extern unsigned *bootregs;
extern struct rpb *rpb;
struct rom_softc {
int part;
int unit;
};
int romstrategy(), romopen();
struct disklabel romlabel;
struct rom_softc rom_softc;
char io_buf[MAXBSIZE];
romopen(f, adapt, ctlr, unit, part)
struct open_file *f;
int ctlr, unit, part;
{
char *msg;
struct disklabel *lp = &romlabel;
volatile struct rom_softc *rsc = &rom_softc;
int i,err;
bootregs[11] = XXRPB;
rpb = (void*)XXRPB;
bqo = (void*)rpb->iovec;
if (rpb->unit > 0 && (rpb->unit % 100) == 0) {
printf ("changing rpb->unit from %d ", rpb->unit);
rpb->unit /= 100;
printf ("to %d\n", rpb->unit);
}
bzero(lp, sizeof(struct disklabel));
rsc->unit = unit;
rsc->part = part;
err = romstrategy(rsc, F_READ, LABELSECTOR, DEV_BSIZE, io_buf, &i);
if (err) {
printf("reading disklabel: %s\n",strerror(err));
return 0;
}
msg = getdisklabel(io_buf+LABELOFFSET, lp);
if (msg)
printf("getdisklabel: %s\n",msg);
f->f_devdata = (void*)rsc;
return(0);
}
romstrategy (rsc, func, dblk, size, buf, rsize)
struct rom_softc *rsc;
int func;
daddr_t dblk;
char *buf;
int size, *rsize;
{
struct disklabel *lp;
int block;
lp = &romlabel;
block = dblk + lp->d_partitions[rsc->part].p_offset;
if (rsc->unit >= 0 && rsc->unit < 10)
rpb->unit = rsc->unit;
if (func == F_WRITE)
romwrite_uvax(block, size, buf, bootregs);
else
romread_uvax(block, size, buf, bootregs);
*rsize = size;
return 0;
}
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