124 lines
3.6 KiB
C
124 lines
3.6 KiB
C
/* $NetBSD: rom.c,v 1.1 1996/08/02 11:22:21 ragge Exp $ */
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/*
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* Copyright (c) 1996 Ludd, University of Lule}, Sweden.
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* All rights reserved.
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*
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* This code is derived from software contributed to Ludd by
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* Bertram Barth.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed at Ludd, University of
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* Lule}, Sweden and its contributors.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "sys/param.h"
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#include "sys/reboot.h"
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#include "sys/disklabel.h"
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#include "lib/libsa/stand.h"
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#include "lib/libsa/ufs.h"
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#include "../include/pte.h"
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#include "../include/sid.h"
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#include "../include/mtpr.h"
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#include "../include/reg.h"
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#include "../include/rpb.h"
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#include "data.h"
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#include "vaxstand.h"
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extern unsigned *bootregs;
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extern struct rpb *rpb;
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struct rom_softc {
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int part;
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int unit;
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};
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int romstrategy(), romopen();
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struct disklabel romlabel;
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struct rom_softc rom_softc;
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char io_buf[MAXBSIZE];
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romopen(f, adapt, ctlr, unit, part)
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struct open_file *f;
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int ctlr, unit, part;
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{
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char *msg;
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struct disklabel *lp = &romlabel;
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volatile struct rom_softc *rsc = &rom_softc;
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int i,err;
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bootregs[11] = XXRPB;
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rpb = (void*)XXRPB;
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bqo = (void*)rpb->iovec;
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if (rpb->unit > 0 && (rpb->unit % 100) == 0) {
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printf ("changing rpb->unit from %d ", rpb->unit);
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rpb->unit /= 100;
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printf ("to %d\n", rpb->unit);
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}
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bzero(lp, sizeof(struct disklabel));
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rsc->unit = unit;
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rsc->part = part;
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err = romstrategy(rsc, F_READ, LABELSECTOR, DEV_BSIZE, io_buf, &i);
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if (err) {
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printf("reading disklabel: %s\n",strerror(err));
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return 0;
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}
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msg = getdisklabel(io_buf+LABELOFFSET, lp);
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if (msg)
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printf("getdisklabel: %s\n",msg);
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f->f_devdata = (void*)rsc;
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return(0);
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}
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romstrategy (rsc, func, dblk, size, buf, rsize)
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struct rom_softc *rsc;
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int func;
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daddr_t dblk;
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char *buf;
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int size, *rsize;
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{
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struct disklabel *lp;
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int block;
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lp = &romlabel;
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block = dblk + lp->d_partitions[rsc->part].p_offset;
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if (rsc->unit >= 0 && rsc->unit < 10)
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rpb->unit = rsc->unit;
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if (func == F_WRITE)
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romwrite_uvax(block, size, buf, bootregs);
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else
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romread_uvax(block, size, buf, bootregs);
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*rsize = size;
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return 0;
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}
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