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news.c revision 1.2
      1  1.2  lukem /*	$NetBSD: news.c,v 1.2 2002/05/21 00:38:08 lukem Exp $ */
      2  1.1  lukem 
      3  1.1  lukem /*-
      4  1.1  lukem  * Copyright (c) 2002 The NetBSD Foundation, Inc.
      5  1.1  lukem  * All rights reserved.
      6  1.1  lukem  *
      7  1.1  lukem  * This code is derived from software contributed to The NetBSD Foundation
      8  1.1  lukem  * by Luke Mewburn and Izumi Tsutsui.
      9  1.1  lukem  *
     10  1.1  lukem  * Redistribution and use in source and binary forms, with or without
     11  1.1  lukem  * modification, are permitted provided that the following conditions
     12  1.1  lukem  * are met:
     13  1.1  lukem  * 1. Redistributions of source code must retain the above copyright
     14  1.1  lukem  *    notice, this list of conditions and the following disclaimer.
     15  1.1  lukem  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1  lukem  *    notice, this list of conditions and the following disclaimer in the
     17  1.1  lukem  *    documentation and/or other materials provided with the distribution.
     18  1.1  lukem  * 3. All advertising materials mentioning features or use of this software
     19  1.1  lukem  *    must display the following acknowledgement:
     20  1.1  lukem  *	This product includes software developed by the NetBSD
     21  1.1  lukem  *	Foundation, Inc. and its contributors.
     22  1.1  lukem  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  1.1  lukem  *    contributors may be used to endorse or promote products derived
     24  1.1  lukem  *    from this software without specific prior written permission.
     25  1.1  lukem  *
     26  1.1  lukem  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  1.1  lukem  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  1.1  lukem  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  1.1  lukem  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  1.1  lukem  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  1.1  lukem  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  1.1  lukem  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  1.1  lukem  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  1.1  lukem  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  1.1  lukem  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  1.1  lukem  * POSSIBILITY OF SUCH DAMAGE.
     37  1.1  lukem  */
     38  1.1  lukem 
     39  1.1  lukem #include <sys/cdefs.h>
     40  1.1  lukem #if defined(__RCSID) && !defined(__lint)
     41  1.2  lukem __RCSID("$NetBSD: news.c,v 1.2 2002/05/21 00:38:08 lukem Exp $");
     42  1.1  lukem #endif	/* !__lint */
     43  1.1  lukem 
     44  1.1  lukem #if HAVE_CONFIG_H
     45  1.1  lukem #include "config.h"
     46  1.1  lukem #endif
     47  1.1  lukem 
     48  1.1  lukem #include <sys/param.h>
     49  1.1  lukem 
     50  1.1  lukem #include <assert.h>
     51  1.1  lukem #include <err.h>
     52  1.1  lukem #include <stddef.h>
     53  1.1  lukem #include <stdio.h>
     54  1.1  lukem #include <stdlib.h>
     55  1.1  lukem #include <string.h>
     56  1.1  lukem #include <unistd.h>
     57  1.1  lukem 
     58  1.1  lukem #include "installboot.h"
     59  1.1  lukem 
     60  1.2  lukem static int news_copydisklabel(ib_params *, struct bbinfo_params *, uint8_t *);
     61  1.1  lukem 
     62  1.1  lukem 
     63  1.1  lukem /*
     64  1.1  lukem  * news68k specific support
     65  1.1  lukem  */
     66  1.1  lukem 
     67  1.1  lukem static struct bbinfo_params news68k_bbparams = {
     68  1.1  lukem 	NEWS68K_BBINFO_MAGIC,
     69  1.2  lukem 	NEWS_BOOT_BLOCK_OFFSET,		/* write all 8K (including disklabel) */
     70  1.1  lukem 	NEWS_BOOT_BLOCK_BLOCKSIZE,
     71  1.1  lukem 	NEWS_BOOT_BLOCK_MAX_SIZE,
     72  1.2  lukem 	0,
     73  1.1  lukem 	BBINFO_BIG_ENDIAN,
     74  1.1  lukem };
     75  1.1  lukem 
     76  1.1  lukem int
     77  1.1  lukem news68k_clearboot(ib_params *params)
     78  1.1  lukem {
     79  1.1  lukem 
     80  1.1  lukem 	assert(params != NULL);
     81  1.1  lukem 
     82  1.1  lukem 	if (params->flags & IB_STAGE1START) {
     83  1.1  lukem 		warnx("`-b bno' is not supported for %s",
     84  1.1  lukem 		    params->machine->name);
     85  1.1  lukem 		return (0);
     86  1.1  lukem 	}
     87  1.1  lukem 	return (shared_bbinfo_clearboot(params, &news68k_bbparams,
     88  1.2  lukem 	    news_copydisklabel));
     89  1.1  lukem }
     90  1.1  lukem 
     91  1.1  lukem int
     92  1.1  lukem news68k_setboot(ib_params *params)
     93  1.1  lukem {
     94  1.1  lukem 
     95  1.1  lukem 	assert(params != NULL);
     96  1.1  lukem 
     97  1.1  lukem 	if (params->flags & IB_STAGE1START) {
     98  1.1  lukem 		warnx("`-b bno' is not supported for %s",
     99  1.1  lukem 		    params->machine->name);
    100  1.1  lukem 		return (0);
    101  1.1  lukem 	}
    102  1.2  lukem 	return (shared_bbinfo_setboot(params, &news68k_bbparams,
    103  1.2  lukem 	    news_copydisklabel));
    104  1.1  lukem }
    105  1.1  lukem 
    106  1.1  lukem 
    107  1.1  lukem /*
    108  1.1  lukem  * newsmips specific support
    109  1.1  lukem  */
    110  1.1  lukem 
    111  1.1  lukem static struct bbinfo_params newsmips_bbparams = {
    112  1.1  lukem 	NEWSMIPS_BBINFO_MAGIC,
    113  1.2  lukem 	NEWS_BOOT_BLOCK_OFFSET,		/* write all 8K (including disklabel) */
    114  1.1  lukem 	NEWS_BOOT_BLOCK_BLOCKSIZE,
    115  1.1  lukem 	NEWS_BOOT_BLOCK_MAX_SIZE,
    116  1.2  lukem 	0,
    117  1.1  lukem 	BBINFO_BIG_ENDIAN,
    118  1.1  lukem };
    119  1.1  lukem 
    120  1.1  lukem int
    121  1.1  lukem newsmips_clearboot(ib_params *params)
    122  1.1  lukem {
    123  1.1  lukem 
    124  1.1  lukem 	assert(params != NULL);
    125  1.1  lukem 
    126  1.1  lukem 	if (params->flags & IB_STAGE1START) {
    127  1.1  lukem 		warnx("`-b bno' is not supported for %s",
    128  1.1  lukem 		    params->machine->name);
    129  1.1  lukem 		return (0);
    130  1.1  lukem 	}
    131  1.1  lukem 	return (shared_bbinfo_clearboot(params, &newsmips_bbparams,
    132  1.2  lukem 	    news_copydisklabel));
    133  1.1  lukem }
    134  1.1  lukem 
    135  1.1  lukem int
    136  1.1  lukem newsmips_setboot(ib_params *params)
    137  1.1  lukem {
    138  1.1  lukem 
    139  1.1  lukem 	assert(params != NULL);
    140  1.1  lukem 
    141  1.1  lukem 	if (params->flags & IB_STAGE1START) {
    142  1.1  lukem 		warnx("`-b bno' is not supported for %s",
    143  1.1  lukem 		    params->machine->name);
    144  1.1  lukem 		return (0);
    145  1.1  lukem 	}
    146  1.1  lukem 	return (shared_bbinfo_setboot(params, &newsmips_bbparams,
    147  1.2  lukem 	    news_copydisklabel));
    148  1.1  lukem }
    149  1.1  lukem 
    150  1.1  lukem 
    151  1.1  lukem /*
    152  1.2  lukem  * news_copydisklabel --
    153  1.2  lukem  *	copy disklabel from existing location on disk into bootstrap,
    154  1.2  lukem  *	as the primary bootstrap contains the disklabel.
    155  1.1  lukem  */
    156  1.1  lukem static int
    157  1.2  lukem news_copydisklabel(ib_params *params, struct bbinfo_params *bbparams,
    158  1.2  lukem 	uint8_t *bb)
    159  1.1  lukem {
    160  1.1  lukem 	uint8_t	boot00[NEWS_BOOT_BLOCK_OFFSET];
    161  1.1  lukem 	ssize_t	rv;
    162  1.1  lukem 
    163  1.1  lukem 	assert(params != NULL);
    164  1.1  lukem 	assert(params->fsfd != -1);
    165  1.1  lukem 	assert(bbparams != NULL);
    166  1.1  lukem 	assert(bb != NULL);
    167  1.1  lukem 
    168  1.2  lukem 		/* Read label sector to copy disklabel from */
    169  1.1  lukem 	memset(boot00, 0, sizeof(boot00));
    170  1.1  lukem 	rv = pread(params->fsfd, boot00, sizeof(boot00), 0);
    171  1.1  lukem 	if (rv == -1) {
    172  1.1  lukem 		warn("Reading label sector from `%s'", params->filesystem);
    173  1.1  lukem 		return (0);
    174  1.1  lukem 	}
    175  1.1  lukem 		/* Copy disklabel */
    176  1.1  lukem 	memcpy(bb + NEWS_BOOT_BLOCK_LABELOFFSET,
    177  1.1  lukem 	    boot00 + NEWS_BOOT_BLOCK_LABELOFFSET,
    178  1.1  lukem 	    sizeof(boot00) - NEWS_BOOT_BLOCK_LABELOFFSET);
    179  1.1  lukem 
    180  1.1  lukem 	return (1);
    181  1.1  lukem }
    182