1 /* $NetBSD: fstypes.c,v 1.8 2006/02/18 12:45:15 dsl 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 1.8 2006/02/18 12:45:15 dsl 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 #ifndef NO_STAGE2 58 { "ffs", ffs_match, ffs_findstage2 }, 59 { "raw", raw_match, raw_findstage2 }, 60 #endif 61 { 0, 0, 0 } 62 }; 63 64 #ifndef NO_STAGE2 65 int 66 hardcode_stage2(ib_params *params, uint32_t *maxblk, ib_block *blocks) 67 { 68 struct stat s2sb; 69 uint32_t nblk, i; 70 71 assert(params != NULL); 72 assert(params->stage2 != NULL); 73 assert(maxblk != NULL); 74 assert(blocks != NULL); 75 assert((params->flags & IB_STAGE2START) != 0); 76 assert(params->fstype != NULL); 77 assert(params->fstype->blocksize != 0); 78 79 if (stat(params->stage2, &s2sb) == -1) { 80 warn("Examining `%s'", params->stage2); 81 return (0); 82 } 83 if (!S_ISREG(s2sb.st_mode)) { 84 warnx("`%s' must be a regular file", params->stage2); 85 return (0); 86 } 87 88 nblk = s2sb.st_size / params->fstype->blocksize; 89 if (s2sb.st_size % params->fstype->blocksize != 0) 90 nblk++; 91 #if 0 92 fprintf(stderr, "for %s got size %lld blksize %u blocks %u\n", 93 params->stage2, s2sb.st_size, params->fstype->blocksize, nblk); 94 #endif 95 if (nblk > *maxblk) { 96 warnx("Secondary bootstrap `%s' has too many blocks " 97 "(calculated %u, maximum %u)", 98 params->stage2, nblk, *maxblk); 99 return (0); 100 } 101 102 for (i = 0; i < nblk; i++) { 103 blocks[i].block = params->s2start + 104 i * (params->fstype->blocksize / 512); 105 blocks[i].blocksize = params->fstype->blocksize; 106 } 107 *maxblk = nblk; 108 109 return (1); 110 } 111 112 113 int 114 raw_match(ib_params *params) 115 { 116 117 assert(params != NULL); 118 assert(params->fstype != NULL); 119 120 params->fstype->blocksize = 8192; // XXX: hardcode 121 return (1); /* can always write to a "raw" file system */ 122 } 123 124 int 125 raw_findstage2(ib_params *params, uint32_t *maxblk, ib_block *blocks) 126 { 127 128 assert(params != NULL); 129 assert(params->stage2 != NULL); 130 assert(maxblk != NULL); 131 assert(blocks != NULL); 132 133 if ((params->flags & IB_STAGE2START) == 0) { 134 warnx("Need `-B bno' for raw file systems"); 135 return (0); 136 } 137 return (hardcode_stage2(params, maxblk, blocks)); 138 } 139 #endif 140