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/* $NetBSD: news.c,v 1.7 2008/04/28 20:24:16 martin Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Luke Mewburn and Izumi Tsutsui.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
#if HAVE_NBTOOL_CONFIG_H
#include "nbtool_config.h"
#endif
#include <sys/cdefs.h>
#if !defined(__lint)
__RCSID("$NetBSD: news.c,v 1.7 2008/04/28 20:24:16 martin Exp $");
#endif /* !__lint */
#include <sys/param.h>
#include <assert.h>
#include <err.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "installboot.h"
static int news_copydisklabel(ib_params *, struct bbinfo_params *, uint8_t *);
static int news68k_clearboot(ib_params *);
static int news68k_setboot(ib_params *);
static int newsmips_clearboot(ib_params *);
static int newsmips_setboot(ib_params *);
struct ib_mach ib_mach_news68k =
{ "news68k", news68k_setboot, news68k_clearboot, no_editboot,
IB_STAGE2START };
struct ib_mach ib_mach_newsmips =
{ "newsmips", newsmips_setboot, newsmips_clearboot, no_editboot,
IB_STAGE2START };
/*
* news68k specific support
*/
static struct bbinfo_params news68k_bbparams = {
NEWS68K_BBINFO_MAGIC,
NEWS_BOOT_BLOCK_OFFSET, /* write all 8K (including disklabel) */
NEWS_BOOT_BLOCK_BLOCKSIZE,
NEWS_BOOT_BLOCK_MAX_SIZE,
0,
BBINFO_BIG_ENDIAN,
};
static int
news68k_clearboot(ib_params *params)
{
assert(params != NULL);
return (shared_bbinfo_clearboot(params, &news68k_bbparams,
news_copydisklabel));
}
static int
news68k_setboot(ib_params *params)
{
assert(params != NULL);
return (shared_bbinfo_setboot(params, &news68k_bbparams,
news_copydisklabel));
}
/*
* newsmips specific support
*/
static struct bbinfo_params newsmips_bbparams = {
NEWSMIPS_BBINFO_MAGIC,
NEWS_BOOT_BLOCK_OFFSET, /* write all 8K (including disklabel) */
NEWS_BOOT_BLOCK_BLOCKSIZE,
NEWS_BOOT_BLOCK_MAX_SIZE,
0,
BBINFO_BIG_ENDIAN,
};
static int
newsmips_clearboot(ib_params *params)
{
assert(params != NULL);
return (shared_bbinfo_clearboot(params, &newsmips_bbparams,
news_copydisklabel));
}
static int
newsmips_setboot(ib_params *params)
{
assert(params != NULL);
return (shared_bbinfo_setboot(params, &newsmips_bbparams,
news_copydisklabel));
}
/*
* news_copydisklabel --
* copy disklabel from existing location on disk into bootstrap,
* as the primary bootstrap contains the disklabel.
*/
static int
news_copydisklabel(ib_params *params, struct bbinfo_params *bbparams,
uint8_t *bb)
{
uint8_t boot00[NEWS_BOOT_BLOCK_BLOCKSIZE];
ssize_t rv;
assert(params != NULL);
assert(params->fsfd != -1);
assert(bbparams != NULL);
assert(bb != NULL);
/* Read label sector to copy disklabel from */
memset(boot00, 0, sizeof(boot00));
rv = pread(params->fsfd, boot00, sizeof(boot00), 0);
if (rv == -1) {
warn("Reading label sector from `%s'", params->filesystem);
return (0);
}
/* Copy disklabel */
memcpy(bb + NEWS_BOOT_BLOCK_LABELOFFSET,
boot00 + NEWS_BOOT_BLOCK_LABELOFFSET,
sizeof(boot00) - NEWS_BOOT_BLOCK_LABELOFFSET);
return (1);
}
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