Return to rom.c CVS log

Up to [local] / sys / arch / vax / boot / boot

Annotation of sys/arch/vax/boot/boot/rom.c, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: rom.c,v 1.4 2002/06/11 09:36:23 hugh Exp $ */
                      2: /*     $NetBSD: rom.c,v 1.3 2000/07/19 00:58:25 matt Exp $ */
                      3: /*
                      4:  * Copyright (c) 1996 Ludd, University of Lule}, Sweden.
                      5:  * All rights reserved.
                      6:  *
                      7:  * This code is derived from software contributed to Ludd by
                      8:  * Bertram Barth.
                      9:  *
                     10:  * Redistribution and use in source and binary forms, with or without
                     11:  * modification, are permitted provided that the following conditions
                     12:  * are met:
                     13:  * 1. Redistributions of source code must retain the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer.
                     15:  * 2. Redistributions in binary form must reproduce the above copyright
                     16:  *    notice, this list of conditions and the following disclaimer in the
                     17:  *    documentation and/or other materials provided with the distribution.
                     18:  * 3. All advertising materials mentioning features or use of this software
                     19:  *    must display the following acknowledgement:
                     20:  *      This product includes software developed at Ludd, University of
                     21:  *      Lule}, Sweden and its contributors.
                     22:  * 4. The name of the author may not be used to endorse or promote products
                     23:  *    derived from this software without specific prior written permission
                     24:  *
                     25:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     26:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     27:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     28:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     29:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     30:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     31:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     32:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     33:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     34:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     35:  */
                     36:
                     37: #include "sys/param.h"
                     38: #include "sys/reboot.h"
                     39: #include "sys/disklabel.h"
                     40:
                     41: #include "lib/libsa/stand.h"
                     42: #include "lib/libsa/ufs.h"
                     43:
                     44: #include "../include/pte.h"
                     45: #include "../include/sid.h"
                     46: #include "../include/mtpr.h"
                     47: #include "../include/reg.h"
                     48: #include "../include/rpb.h"
                     49:
                     50: #include "data.h"
                     51: #include "vaxstand.h"
                     52:
                     53: static struct disklabel romlabel;
                     54: static char io_buf[DEV_BSIZE];
                     55: static struct bqo *bqo;
                     56: static int dpart, dunit;
                     57:
                     58: int
                     59: romopen(struct open_file *f, int adapt, int ctlr, int unit, int part)
                     60: {
                     61:        char *msg;
                     62:        struct disklabel *lp = &romlabel;
                     63:        size_t i;
                     64:        int err;
                     65:
                     66:        bqo = (void *)bootrpb.iovec;
                     67:
                     68:        if (bootrpb.unit > 0 && (bootrpb.unit % 100) == 0) {
                     69:                printf ("changing bootrpb.unit from %d ", bootrpb.unit);
                     70:                bootrpb.unit /= 100;
                     71:                printf ("to %d\n", bootrpb.unit);
                     72:        }
                     73:
                     74:        bzero(lp, sizeof(struct disklabel));
                     75:        dunit = unit;
                     76:        dpart = part;
                     77:
                     78:        err = romstrategy(0, F_READ, LABELSECTOR, DEV_BSIZE, io_buf, &i);
                     79:        if (err) {
                     80:                printf("reading disklabel: %s\n",strerror(err));
                     81:                return 0;
                     82:        }
                     83:        msg = getdisklabel(io_buf+LABELOFFSET, lp);
                     84:        if (msg)
                     85:                printf("getdisklabel: %s\n",msg);
                     86:        return(0);
                     87: }
                     88:
                     89: int    romwrite_uvax(int, int, void *, struct rpb *);
                     90: int    romread_uvax(int, int, void *, struct rpb *);
                     91:
                     92: int
                     93: romstrategy (f, func, dblk, size, buf, rsize)
                     94:        void *f;
                     95:        int func;
                     96:        daddr_t dblk;
                     97:        size_t size;
                     98:        void *buf;
                     99:        size_t *rsize;
                    100: {
                    101:        struct  disklabel *lp;
                    102:        int     block;
                    103:
                    104:        lp = &romlabel;
                    105:        block = dblk + lp->d_partitions[dpart].p_offset;
                    106:        if (dunit >= 0 && dunit < 10)
                    107:                bootrpb.unit = dunit;
                    108:
                    109:        if (func == F_WRITE)
                    110:                romwrite_uvax(block, size, buf, &bootrpb);
                    111:        else
                    112:                romread_uvax(block, size, buf, &bootrpb);
                    113:
                    114:        *rsize = size;
                    115:        return 0;
                    116: }
                    117: