1 /* $NetBSD: fstypes.c,v 1.6 2003/07/27 07:51:40 lukem 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 #include <sys/cdefs.h> 40 #if defined(__RCSID) && !defined(__lint) 41 __RCSID("$NetBSD: fstypes.c,v 1.6 2003/07/27 07:51:40 lukem Exp $"); 42 #endif /* !__lint */ 43 44 #include <sys/types.h> 45 46 #include <assert.h> 47 #include <err.h> 48 #include <stdio.h> 49 50 #include "installboot.h" 51 52 struct ib_fs fstypes[] = { 53 { "ffs", ffs_match, ffs_findstage2 }, 54 { "raw", raw_match, raw_findstage2 }, 55 { 0, 0, 0 } 56 }; 57 58 int 59 hardcode_stage2(ib_params *params, uint32_t *maxblk, ib_block *blocks) 60 { 61 struct stat s2sb; 62 uint32_t nblk, i; 63 64 assert(params != NULL); 65 assert(params->stage2 != NULL); 66 assert(maxblk != NULL); 67 assert(blocks != NULL); 68 assert((params->flags & IB_STAGE2START) != 0); 69 assert(params->fstype != NULL); 70 assert(params->fstype->blocksize != 0); 71 72 if (stat(params->stage2, &s2sb) == -1) { 73 warn("Examining `%s'", params->stage2); 74 return (0); 75 } 76 if (!S_ISREG(s2sb.st_mode)) { 77 warnx("`%s' must be a regular file", params->stage2); 78 return (0); 79 } 80 81 nblk = s2sb.st_size / params->fstype->blocksize; 82 if (s2sb.st_size % params->fstype->blocksize != 0) 83 nblk++; 84 #if 0 85 fprintf(stderr, "for %s got size %lld blksize %u blocks %u\n", 86 params->stage2, s2sb.st_size, params->fstype->blocksize, nblk); 87 #endif 88 if (nblk > *maxblk) { 89 warnx("Secondary bootstrap `%s' has too many blocks " 90 "(calculated %u, maximum %u)", 91 params->stage2, nblk, *maxblk); 92 return (0); 93 } 94 95 for (i = 0; i < nblk; i++) { 96 blocks[i].block = params->s2start + 97 i * (params->fstype->blocksize / 512); 98 blocks[i].blocksize = params->fstype->blocksize; 99 } 100 *maxblk = nblk; 101 102 return (1); 103 } 104 105 106 int 107 raw_match(ib_params *params) 108 { 109 110 assert(params != NULL); 111 assert(params->fstype != NULL); 112 113 params->fstype->blocksize = 8192; // XXX: hardcode 114 return (1); /* can always write to a "raw" file system */ 115 } 116 117 int 118 raw_findstage2(ib_params *params, uint32_t *maxblk, ib_block *blocks) 119 { 120 121 assert(params != NULL); 122 assert(params->stage2 != NULL); 123 assert(maxblk != NULL); 124 assert(blocks != NULL); 125 126 if ((params->flags & IB_STAGE2START) == 0) { 127 warnx("Need `-B bno' for raw file systems"); 128 return (0); 129 } 130 return (hardcode_stage2(params, maxblk, blocks)); 131 } 132