1 /* $NetBSD: fstypes.c,v 1.7 2004/06/20 22:20:17 jmc Exp $ */ 2 3 /*- 4 * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Matt Fredette and Luke Mewburn. 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 by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #if HAVE_NBTOOL_CONFIG_H 40 #include "nbtool_config.h" 41 #endif 42 43 #include <sys/cdefs.h> 44 #if defined(__RCSID) && !defined(__lint) 45 __RCSID("$NetBSD: fstypes.c,v 1.7 2004/06/20 22:20:17 jmc Exp $"); 46 #endif /* !__lint */ 47 48 #include <sys/types.h> 49 50 #include <assert.h> 51 #include <err.h> 52 #include <stdio.h> 53 54 #include "installboot.h" 55 56 struct ib_fs fstypes[] = { 57 { "ffs", ffs_match, ffs_findstage2 }, 58 { "raw", raw_match, raw_findstage2 }, 59 { 0, 0, 0 } 60 }; 61 62 int 63 hardcode_stage2(ib_params *params, uint32_t *maxblk, ib_block *blocks) 64 { 65 struct stat s2sb; 66 uint32_t nblk, i; 67 68 assert(params != NULL); 69 assert(params->stage2 != NULL); 70 assert(maxblk != NULL); 71 assert(blocks != NULL); 72 assert((params->flags & IB_STAGE2START) != 0); 73 assert(params->fstype != NULL); 74 assert(params->fstype->blocksize != 0); 75 76 if (stat(params->stage2, &s2sb) == -1) { 77 warn("Examining `%s'", params->stage2); 78 return (0); 79 } 80 if (!S_ISREG(s2sb.st_mode)) { 81 warnx("`%s' must be a regular file", params->stage2); 82 return (0); 83 } 84 85 nblk = s2sb.st_size / params->fstype->blocksize; 86 if (s2sb.st_size % params->fstype->blocksize != 0) 87 nblk++; 88 #if 0 89 fprintf(stderr, "for %s got size %lld blksize %u blocks %u\n", 90 params->stage2, s2sb.st_size, params->fstype->blocksize, nblk); 91 #endif 92 if (nblk > *maxblk) { 93 warnx("Secondary bootstrap `%s' has too many blocks " 94 "(calculated %u, maximum %u)", 95 params->stage2, nblk, *maxblk); 96 return (0); 97 } 98 99 for (i = 0; i < nblk; i++) { 100 blocks[i].block = params->s2start + 101 i * (params->fstype->blocksize / 512); 102 blocks[i].blocksize = params->fstype->blocksize; 103 } 104 *maxblk = nblk; 105 106 return (1); 107 } 108 109 110 int 111 raw_match(ib_params *params) 112 { 113 114 assert(params != NULL); 115 assert(params->fstype != NULL); 116 117 params->fstype->blocksize = 8192; // XXX: hardcode 118 return (1); /* can always write to a "raw" file system */ 119 } 120 121 int 122 raw_findstage2(ib_params *params, uint32_t *maxblk, ib_block *blocks) 123 { 124 125 assert(params != NULL); 126 assert(params->stage2 != NULL); 127 assert(maxblk != NULL); 128 assert(blocks != NULL); 129 130 if ((params->flags & IB_STAGE2START) == 0) { 131 warnx("Need `-B bno' for raw file systems"); 132 return (0); 133 } 134 return (hardcode_stage2(params, maxblk, blocks)); 135 } 136