disklabel.h revision 1.1.10.2
1 1.1.10.2 jdolecek /* $NetBSD: disklabel.h,v 1.1.10.2 2002/06/23 17:40:08 jdolecek Exp $ */ 2 1.1.10.2 jdolecek 3 1.1.10.2 jdolecek /* 4 1.1.10.2 jdolecek * Copyright 2000, 2001 5 1.1.10.2 jdolecek * Broadcom Corporation. All rights reserved. 6 1.1.10.2 jdolecek * 7 1.1.10.2 jdolecek * This software is furnished under license and may be used and copied only 8 1.1.10.2 jdolecek * in accordance with the following terms and conditions. Subject to these 9 1.1.10.2 jdolecek * conditions, you may download, copy, install, use, modify and distribute 10 1.1.10.2 jdolecek * modified or unmodified copies of this software in source and/or binary 11 1.1.10.2 jdolecek * form. No title or ownership is transferred hereby. 12 1.1.10.2 jdolecek * 13 1.1.10.2 jdolecek * 1) Any source code used, modified or distributed must reproduce and 14 1.1.10.2 jdolecek * retain this copyright notice and list of conditions as they appear in 15 1.1.10.2 jdolecek * the source file. 16 1.1.10.2 jdolecek * 17 1.1.10.2 jdolecek * 2) No right is granted to use any trade name, trademark, or logo of 18 1.1.10.2 jdolecek * Broadcom Corporation. Neither the "Broadcom Corporation" name nor any 19 1.1.10.2 jdolecek * trademark or logo of Broadcom Corporation may be used to endorse or 20 1.1.10.2 jdolecek * promote products derived from this software without the prior written 21 1.1.10.2 jdolecek * permission of Broadcom Corporation. 22 1.1.10.2 jdolecek * 23 1.1.10.2 jdolecek * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED 24 1.1.10.2 jdolecek * WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF 25 1.1.10.2 jdolecek * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR 26 1.1.10.2 jdolecek * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE 27 1.1.10.2 jdolecek * FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE 28 1.1.10.2 jdolecek * LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29 1.1.10.2 jdolecek * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30 1.1.10.2 jdolecek * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 31 1.1.10.2 jdolecek * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 32 1.1.10.2 jdolecek * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 33 1.1.10.2 jdolecek * OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 1.1.10.2 jdolecek */ 35 1.1.10.2 jdolecek 36 1.1.10.2 jdolecek /* from: $NetBSD: disklabel.h,v 1.4 2000/05/05 03:27:22 soren Exp */ 37 1.1.10.2 jdolecek 38 1.1.10.2 jdolecek /* 39 1.1.10.2 jdolecek * Copyright (c) 1994 Christopher G. Demetriou 40 1.1.10.2 jdolecek * All rights reserved. 41 1.1.10.2 jdolecek * 42 1.1.10.2 jdolecek * Redistribution and use in source and binary forms, with or without 43 1.1.10.2 jdolecek * modification, are permitted provided that the following conditions 44 1.1.10.2 jdolecek * are met: 45 1.1.10.2 jdolecek * 1. Redistributions of source code must retain the above copyright 46 1.1.10.2 jdolecek * notice, this list of conditions and the following disclaimer. 47 1.1.10.2 jdolecek * 2. Redistributions in binary form must reproduce the above copyright 48 1.1.10.2 jdolecek * notice, this list of conditions and the following disclaimer in the 49 1.1.10.2 jdolecek * documentation and/or other materials provided with the distribution. 50 1.1.10.2 jdolecek * 3. All advertising materials mentioning features or use of this software 51 1.1.10.2 jdolecek * must display the following acknowledgement: 52 1.1.10.2 jdolecek * This product includes software developed by Christopher G. Demetriou. 53 1.1.10.2 jdolecek * 4. The name of the author may not be used to endorse or promote products 54 1.1.10.2 jdolecek * derived from this software without specific prior written permission 55 1.1.10.2 jdolecek * 56 1.1.10.2 jdolecek * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 57 1.1.10.2 jdolecek * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 58 1.1.10.2 jdolecek * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 59 1.1.10.2 jdolecek * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 60 1.1.10.2 jdolecek * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 61 1.1.10.2 jdolecek * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 62 1.1.10.2 jdolecek * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 63 1.1.10.2 jdolecek * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 64 1.1.10.2 jdolecek * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 65 1.1.10.2 jdolecek * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 66 1.1.10.2 jdolecek */ 67 1.1.10.2 jdolecek 68 1.1.10.2 jdolecek #ifndef _MACHINE_DISKLABEL_H_ 69 1.1.10.2 jdolecek #define _MACHINE_DISKLABEL_H_ 70 1.1.10.2 jdolecek 71 1.1.10.2 jdolecek #define LABELSECTOR 1 /* sector containing label */ 72 1.1.10.2 jdolecek #define LABELOFFSET 0 /* offset of label in sector */ 73 1.1.10.2 jdolecek #define MAXPARTITIONS 16 74 1.1.10.2 jdolecek #define RAW_PART 3 75 1.1.10.2 jdolecek 76 1.1.10.2 jdolecek #ifdef __NetBSD__ 77 1.1.10.2 jdolecek /* Pull in MBR partition definitions. */ 78 1.1.10.2 jdolecek #include <sys/disklabel_mbr.h> 79 1.1.10.2 jdolecek 80 1.1.10.2 jdolecek #ifndef __ASSEMBLER__ 81 1.1.10.2 jdolecek #include <sys/dkbad.h> 82 1.1.10.2 jdolecek struct cpu_disklabel { 83 1.1.10.2 jdolecek struct mbr_partition dosparts[NMBRPART]; 84 1.1.10.2 jdolecek struct dkbad bad; 85 1.1.10.2 jdolecek }; 86 1.1.10.2 jdolecek #endif 87 1.1.10.2 jdolecek #endif 88 1.1.10.2 jdolecek 89 1.1.10.2 jdolecek /* 90 1.1.10.2 jdolecek * CFE boot block, modeled loosely on Alpha. 91 1.1.10.2 jdolecek * 92 1.1.10.2 jdolecek * It consists of: 93 1.1.10.2 jdolecek * 94 1.1.10.2 jdolecek * BSD disk label 95 1.1.10.2 jdolecek * <blank space> 96 1.1.10.2 jdolecek * Boot block info (5 uint_64s) 97 1.1.10.2 jdolecek * 98 1.1.10.2 jdolecek * The boot block portion looks like: 99 1.1.10.2 jdolecek * 100 1.1.10.2 jdolecek * 101 1.1.10.2 jdolecek * +-------+-------+-------+-------+-------+-------+-------+-------+ 102 1.1.10.2 jdolecek * | BOOT_MAGIC_NUMBER | 103 1.1.10.2 jdolecek * +-------+-------+-------+-------+-------+-------+-------+-------+ 104 1.1.10.2 jdolecek * | Flags | Reserved | Vers | Header Checksum | 105 1.1.10.2 jdolecek * +-------+-------+-------+-------+-------+-------+-------+-------+ 106 1.1.10.2 jdolecek * | Secondary Loader Location (bytes) | 107 1.1.10.2 jdolecek * +-------+-------+-------+-------+-------+-------+-------+-------+ 108 1.1.10.2 jdolecek * | Loader Checksum | Size of loader (bytes) | 109 1.1.10.2 jdolecek * +-------+-------+-------+-------+-------+-------+-------+-------+ 110 1.1.10.2 jdolecek * | Reserved | Architecture Information | 111 1.1.10.2 jdolecek * +-------+-------+-------+-------+-------+-------+-------+-------+ 112 1.1.10.2 jdolecek * 113 1.1.10.2 jdolecek * Boot block fields should always be read as 64-bit numbers. 114 1.1.10.2 jdolecek * 115 1.1.10.2 jdolecek */ 116 1.1.10.2 jdolecek 117 1.1.10.2 jdolecek 118 1.1.10.2 jdolecek struct boot_block { 119 1.1.10.2 jdolecek uint64_t bb_data[64]; /* data (disklabel, also as below) */ 120 1.1.10.2 jdolecek }; 121 1.1.10.2 jdolecek #define bb_magic bb_data[59] /* magic number */ 122 1.1.10.2 jdolecek #define bb_hdrinfo bb_data[60] /* header checksum, ver, flags */ 123 1.1.10.2 jdolecek #define bb_secstart bb_data[61] /* secondary start (bytes) */ 124 1.1.10.2 jdolecek #define bb_secsize bb_data[62] /* secondary size (bytes) */ 125 1.1.10.2 jdolecek #define bb_archinfo bb_data[63] /* architecture info */ 126 1.1.10.2 jdolecek 127 1.1.10.2 jdolecek #define BOOT_BLOCK_OFFSET 0 /* offset of boot block. */ 128 1.1.10.2 jdolecek #define BOOT_BLOCK_BLOCKSIZE 512 /* block size for sec. size/start, 129 1.1.10.2 jdolecek * and for boot block itself 130 1.1.10.2 jdolecek */ 131 1.1.10.2 jdolecek #define BOOT_BLOCK_SIZE 40 /* 5 64-bit words */ 132 1.1.10.2 jdolecek 133 1.1.10.2 jdolecek #define BOOT_MAGIC_NUMBER 0x43465631424f4f54 134 1.1.10.2 jdolecek #define BOOT_HDR_CHECKSUM_MASK 0x00000000FFFFFFFF 135 1.1.10.2 jdolecek #define BOOT_HDR_VER_MASK 0x000000FF00000000 136 1.1.10.2 jdolecek #define BOOT_HDR_VER_SHIFT 32 137 1.1.10.2 jdolecek #define BOOT_HDR_FLAGS_MASK 0xFF00000000000000 138 1.1.10.2 jdolecek #define BOOT_SECSIZE_MASK 0x00000000FFFFFFFF 139 1.1.10.2 jdolecek #define BOOT_DATA_CHECKSUM_MASK 0xFFFFFFFF00000000 140 1.1.10.2 jdolecek #define BOOT_DATA_CHECKSUM_SHIFT 32 141 1.1.10.2 jdolecek #define BOOT_ARCHINFO_MASK 0x00000000FFFFFFFF 142 1.1.10.2 jdolecek 143 1.1.10.2 jdolecek #define BOOT_HDR_VERSION 1 144 1.1.10.2 jdolecek 145 1.1.10.2 jdolecek #define CHECKSUM_BOOT_BLOCK(bb,cksum) \ 146 1.1.10.2 jdolecek do { \ 147 1.1.10.2 jdolecek uint32_t *_ptr = (uint32_t *) (bb); \ 148 1.1.10.2 jdolecek uint32_t _cksum; \ 149 1.1.10.2 jdolecek int _i; \ 150 1.1.10.2 jdolecek \ 151 1.1.10.2 jdolecek _cksum = 0; \ 152 1.1.10.2 jdolecek for (_i = 0; \ 153 1.1.10.2 jdolecek _i < (BOOT_BLOCK_SIZE / sizeof (uint32_t)); \ 154 1.1.10.2 jdolecek _i++) \ 155 1.1.10.2 jdolecek _cksum += _ptr[_i]; \ 156 1.1.10.2 jdolecek *(cksum) = _cksum; \ 157 1.1.10.2 jdolecek } while (0) 158 1.1.10.2 jdolecek 159 1.1.10.2 jdolecek 160 1.1.10.2 jdolecek #define CHECKSUM_BOOT_DATA(data,len,cksum) \ 161 1.1.10.2 jdolecek do { \ 162 1.1.10.2 jdolecek uint32_t *_ptr = (uint32_t *) (data); \ 163 1.1.10.2 jdolecek uint32_t _cksum; \ 164 1.1.10.2 jdolecek int _i; \ 165 1.1.10.2 jdolecek \ 166 1.1.10.2 jdolecek _cksum = 0; \ 167 1.1.10.2 jdolecek for (_i = 0; \ 168 1.1.10.2 jdolecek _i < ((len) / sizeof (uint32_t)); \ 169 1.1.10.2 jdolecek _i++) \ 170 1.1.10.2 jdolecek _cksum += _ptr[_i]; \ 171 1.1.10.2 jdolecek *(cksum) = _cksum; \ 172 1.1.10.2 jdolecek } while (0) 173 1.1.10.2 jdolecek 174 1.1.10.2 jdolecek 175 1.1.10.2 jdolecek #endif /* _MACHINE_DISKLABEL_H_ */ 176
Indexes created Sun Oct 19 02:09:48 GMT 2025