1 /* $NetBSD: fstypes.c,v 1.5 2002/05/15 09:44:55 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/types.h> 40 41 #include <assert.h> 42 #include <err.h> 43 #include <stdio.h> 44 45 #include "installboot.h" 46 47 struct ib_fs fstypes[] = { 48 { "ffs", ffs_match, ffs_findstage2 }, 49 { "raw", raw_match, raw_findstage2 }, 50 { 0, 0, 0 } 51 }; 52 53 int 54 hardcode_stage2(ib_params *params, uint32_t *maxblk, ib_block *blocks) 55 { 56 struct stat s2sb; 57 uint32_t nblk, i; 58 59 assert(params != NULL); 60 assert(params->stage2 != NULL); 61 assert(maxblk != NULL); 62 assert(blocks != NULL); 63 assert((params->flags & IB_STAGE2START) != 0); 64 assert(params->fstype != NULL); 65 assert(params->fstype->blocksize != 0); 66 67 if (stat(params->stage2, &s2sb) == -1) { 68 warn("Examining `%s'", params->stage2); 69 return (0); 70 } 71 if (!S_ISREG(s2sb.st_mode)) { 72 warnx("`%s' must be a regular file", params->stage2); 73 return (0); 74 } 75 76 nblk = s2sb.st_size / params->fstype->blocksize; 77 if (s2sb.st_size % params->fstype->blocksize != 0) 78 nblk++; 79 #if 0 80 fprintf(stderr, "for %s got size %lld blksize %u blocks %u\n", 81 params->stage2, s2sb.st_size, params->fstype->blocksize, nblk); 82 #endif 83 if (nblk > *maxblk) { 84 warnx("Secondary bootstrap `%s' has too many blocks " 85 "(calculated %u, maximum %u)", 86 params->stage2, nblk, *maxblk); 87 return (0); 88 } 89 90 for (i = 0; i < nblk; i++) { 91 blocks[i].block = params->s2start + 92 i * (params->fstype->blocksize / 512); 93 blocks[i].blocksize = params->fstype->blocksize; 94 } 95 *maxblk = nblk; 96 97 return (1); 98 } 99 100 101 int 102 raw_match(ib_params *params) 103 { 104 105 assert(params != NULL); 106 assert(params->fstype != NULL); 107 108 params->fstype->blocksize = 8192; // XXX: hardcode 109 return (1); /* can always write to a "raw" file system */ 110 } 111 112 int 113 raw_findstage2(ib_params *params, uint32_t *maxblk, ib_block *blocks) 114 { 115 116 assert(params != NULL); 117 assert(params->stage2 != NULL); 118 assert(maxblk != NULL); 119 assert(blocks != NULL); 120 121 if ((params->flags & IB_STAGE2START) == 0) { 122 warnx("Need `-B bno' for raw file systems"); 123 return (0); 124 } 125 return (hardcode_stage2(params, maxblk, blocks)); 126 } 127