1 /* $NetBSD: bootblock.h,v 1.58 2017/04/29 00:05:35 nonaka Exp $ */ 2 3 /*- 4 * Copyright (c) 2002-2004 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 /*- 29 * Copyright (C) 1993 Allen K. Briggs, Chris P. Caputo, 30 * Michael L. Finch, Bradley A. Grantham, and 31 * Lawrence A. Kesteloot 32 * All rights reserved. 33 * 34 * Redistribution and use in source and binary forms, with or without 35 * modification, are permitted provided that the following conditions 36 * are met: 37 * 1. Redistributions of source code must retain the above copyright 38 * notice, this list of conditions and the following disclaimer. 39 * 2. Redistributions in binary form must reproduce the above copyright 40 * notice, this list of conditions and the following disclaimer in the 41 * documentation and/or other materials provided with the distribution. 42 * 3. All advertising materials mentioning features or use of this software 43 * must display the following acknowledgement: 44 * This product includes software developed by the Alice Group. 45 * 4. The names of the Alice Group or any of its members may not be used 46 * to endorse or promote products derived from this software without 47 * specific prior written permission. 48 * 49 * THIS SOFTWARE IS PROVIDED BY THE ALICE GROUP ``AS IS'' AND ANY EXPRESS OR 50 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 51 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 52 * IN NO EVENT SHALL THE ALICE GROUP BE LIABLE FOR ANY DIRECT, INDIRECT, 53 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 54 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 55 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 56 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 57 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 58 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 59 * 60 */ 61 /* 62 * Copyright (c) 1994, 1999 Christopher G. Demetriou 63 * All rights reserved. 64 * 65 * Redistribution and use in source and binary forms, with or without 66 * modification, are permitted provided that the following conditions 67 * are met: 68 * 1. Redistributions of source code must retain the above copyright 69 * notice, this list of conditions and the following disclaimer. 70 * 2. Redistributions in binary form must reproduce the above copyright 71 * notice, this list of conditions and the following disclaimer in the 72 * documentation and/or other materials provided with the distribution. 73 * 3. All advertising materials mentioning features or use of this software 74 * must display the following acknowledgement: 75 * This product includes software developed by Christopher G. Demetriou 76 * for the NetBSD Project. 77 * 4. The name of the author may not be used to endorse or promote products 78 * derived from this software without specific prior written permission 79 * 80 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 81 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 82 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 83 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 84 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 85 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 86 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 87 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 88 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 89 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 90 */ 91 /* 92 * Copyright (c) 1994 Rolf Grossmann 93 * All rights reserved. 94 * 95 * Redistribution and use in source and binary forms, with or without 96 * modification, are permitted provided that the following conditions 97 * are met: 98 * 1. Redistributions of source code must retain the above copyright 99 * notice, this list of conditions and the following disclaimer. 100 * 2. Redistributions in binary form must reproduce the above copyright 101 * notice, this list of conditions and the following disclaimer in the 102 * documentation and/or other materials provided with the distribution. 103 * 3. All advertising materials mentioning features or use of this software 104 * must display the following acknowledgement: 105 * This product includes software developed by Rolf Grossmann. 106 * 4. The name of the author may not be used to endorse or promote products 107 * derived from this software without specific prior written permission 108 * 109 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 110 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 111 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 112 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 113 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 114 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 115 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 116 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 117 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 118 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 119 */ 120 121 #ifndef _SYS_BOOTBLOCK_H 122 #define _SYS_BOOTBLOCK_H 123 124 #if !defined(__ASSEMBLER__) 125 #include <sys/cdefs.h> 126 #if defined(_KERNEL) || defined(_STANDALONE) 127 #include <sys/stdint.h> 128 #else 129 #include <stdint.h> 130 #endif 131 #endif /* !defined(__ASSEMBLER__) */ 132 133 /* ------------------------------------------ 134 * MBR (Master Boot Record) -- 135 * definitions for systems that use MBRs 136 */ 137 138 /* 139 * Layout of boot records: 140 * 141 * Byte range Use Description 142 * ---------- --- ----------- 143 * 144 * 0 - 2 FMP JMP xxx, NOP 145 * 3 - 10 FP OEM Name 146 * 147 * 11 - 61 FMP FAT12/16 BPB 148 * Whilst not strictly necessary for MBR, 149 * GRUB reserves this area 150 * 151 * 11 - 89 P FAT32 BPB 152 * (are we ever going to boot off this?) 153 * 154 * 155 * 62 - 217 FMP Boot code 156 * 157 * 90 - 217 P FAT32 boot code 158 * 159 * 218 - 223 M Win95b/98/me "drive time" 160 * http://www.geocities.com/thestarman3/asm/mbr/95BMEMBR.htm#MYST 161 * only changed if all 6 bytes are 0 162 * 163 * 224 - 436 FMP boot code (continued) 164 * 165 * 437 - 439 M WinNT/2K/XP MBR "boot language" 166 * http://www.geocities.com/thestarman3/asm/mbr/Win2kmbr.htm 167 * not needed by us 168 * 169 * 400 - 439 MP NetBSD: mbr_bootsel 170 * 171 * 424 - 439 M NetBSD: bootptn_guid (in GPT PMBR only) 172 * 173 * 440 - 443 M WinNT/2K/XP Drive Serial Number (NT DSN) 174 * http://www.geocities.com/thestarman3/asm/mbr/Win2kmbr.htm 175 * 176 * 444 - 445 FMP bootcode or unused 177 * NetBSD: mbr_bootsel_magic 178 * 179 * 446 - 509 M partition table 180 * 181 * 510 - 511 FMP magic number (0xAA55) 182 * 183 * Use: 184 * ---- 185 * F Floppy boot sector 186 * M Master Boot Record 187 * P Partition Boot record 188 * 189 */ 190 191 /* 192 * MBR (Master Boot Record) 193 */ 194 #define MBR_BBSECTOR 0 /* MBR relative sector # */ 195 #define MBR_BPB_OFFSET 11 /* offsetof(mbr_sector, mbr_bpb) */ 196 #define MBR_BOOTCODE_OFFSET 90 /* offsetof(mbr_sector, mbr_bootcode) */ 197 #define MBR_BS_OFFSET 400 /* offsetof(mbr_sector, mbr_bootsel) */ 198 #define MBR_BS_OLD_OFFSET 404 /* where mbr_bootsel used to be */ 199 #define MBR_GPT_GUID_OFFSET 424 /* location of partition GUID to boot */ 200 #define MBR_GPT_GUID_DEFAULT /* default uninitialized GUID */ \ 201 {0xeee69d04,0x02f4,0x11e0,0x8f,0x5d,{0x00,0xe0,0x81,0x52,0x9a,0x6b}} 202 #define MBR_DSN_OFFSET 440 /* offsetof(mbr_sector, mbr_dsn) */ 203 #define MBR_BS_MAGIC_OFFSET 444 /* offsetof(mbr_sector, mbr_bootsel_magic) */ 204 #define MBR_PART_OFFSET 446 /* offsetof(mbr_sector, mbr_part[0]) */ 205 #define MBR_MAGIC_OFFSET 510 /* offsetof(mbr_sector, mbr_magic) */ 206 #define MBR_MAGIC 0xaa55 /* MBR magic number */ 207 #define MBR_BS_MAGIC 0xb5e1 /* mbr_bootsel magic number */ 208 #define MBR_PART_COUNT 4 /* Number of partitions in MBR */ 209 #define MBR_BS_PARTNAMESIZE 8 /* Size of name mbr_bootsel nametab */ 210 /* (excluding trailing NUL) */ 211 212 /* values for mbr_partition.mbrp_flag */ 213 #define MBR_PFLAG_ACTIVE 0x80 /* The active partition */ 214 215 /* values for mbr_partition.mbrp_type */ 216 #define MBR_PTYPE_UNUSED 0x00 /* Unused */ 217 #define MBR_PTYPE_FAT12 0x01 /* 12-bit FAT */ 218 #define MBR_PTYPE_XENIX_ROOT 0x02 /* XENIX / */ 219 #define MBR_PTYPE_XENIX_USR 0x03 /* XENIX /usr */ 220 #define MBR_PTYPE_FAT16S 0x04 /* 16-bit FAT, less than 32M */ 221 #define MBR_PTYPE_EXT 0x05 /* extended partition */ 222 #define MBR_PTYPE_FAT16B 0x06 /* 16-bit FAT, more than 32M */ 223 #define MBR_PTYPE_NTFS 0x07 /* OS/2 HPFS, NTFS, QNX2, Adv. UNIX */ 224 #define MBR_PTYPE_DELL 0x08 /* AIX or os, or etc. */ 225 #define MBR_PTYPE_AIX_BOOT 0x09 /* AIX boot partition or Coherent */ 226 #define MBR_PTYPE_OS2_BOOT 0x0a /* O/2 boot manager or Coherent swap */ 227 #define MBR_PTYPE_FAT32 0x0b /* 32-bit FAT */ 228 #define MBR_PTYPE_FAT32L 0x0c /* 32-bit FAT, LBA-mapped */ 229 #define MBR_PTYPE_7XXX 0x0d /* 7XXX, LBA-mapped */ 230 #define MBR_PTYPE_FAT16L 0x0e /* 16-bit FAT, LBA-mapped */ 231 #define MBR_PTYPE_EXT_LBA 0x0f /* extended partition, LBA-mapped */ 232 #define MBR_PTYPE_OPUS 0x10 /* OPUS */ 233 #define MBR_PTYPE_OS2_DOS12 0x11 /* OS/2 DOS 12-bit FAT */ 234 #define MBR_PTYPE_COMPAQ_DIAG 0x12 /* Compaq diagnostics */ 235 #define MBR_PTYPE_OS2_DOS16S 0x14 /* OS/2 DOS 16-bit FAT <32M */ 236 #define MBR_PTYPE_OS2_DOS16B 0x16 /* OS/2 DOS 16-bit FAT >=32M */ 237 #define MBR_PTYPE_OS2_IFS 0x17 /* OS/2 hidden IFS */ 238 #define MBR_PTYPE_AST_SWAP 0x18 /* AST Windows swapfile */ 239 #define MBR_PTYPE_WILLOWTECH 0x19 /* Willowtech Photon coS */ 240 #define MBR_PTYPE_HID_FAT32 0x1b /* hidden win95 fat 32 */ 241 #define MBR_PTYPE_HID_FAT32_LBA 0x1c /* hidden win95 fat 32 lba */ 242 #define MBR_PTYPE_HID_FAT16_LBA 0x1d /* hidden win95 fat 16 lba */ 243 #define MBR_PTYPE_WILLOWSOFT 0x20 /* Willowsoft OFS1 */ 244 #define MBR_PTYPE_RESERVED_x21 0x21 /* reserved */ 245 #define MBR_PTYPE_RESERVED_x23 0x23 /* reserved */ 246 #define MBR_PTYPE_RESERVED_x24 0x24 /* NEC DOS */ 247 #define MBR_PTYPE_RESERVED_x26 0x26 /* reserved */ 248 #define MBR_PTYPE_RESERVED_x31 0x31 /* reserved */ 249 #define MBR_PTYPE_NOS 0x32 /* Alien Internet Services NOS */ 250 #define MBR_PTYPE_RESERVED_x33 0x33 /* reserved */ 251 #define MBR_PTYPE_RESERVED_x34 0x34 /* reserved */ 252 #define MBR_PTYPE_OS2_JFS 0x35 /* JFS on OS2 */ 253 #define MBR_PTYPE_RESERVED_x36 0x36 /* reserved */ 254 #define MBR_PTYPE_THEOS 0x38 /* Theos */ 255 #define MBR_PTYPE_PLAN9 0x39 /* Plan 9, or Theos spanned */ 256 #define MBR_PTYPE_THEOS_4GB 0x3a /* Theos ver 4 4gb partition */ 257 #define MBR_PTYPE_THEOS_EXT 0x3b /* Theos ve 4 extended partition */ 258 #define MBR_PTYPE_PMRECOVERY 0x3c /* PartitionMagic recovery */ 259 #define MBR_PTYPE_HID_NETWARE 0x3d /* Hidden Netware */ 260 #define MBR_PTYPE_VENIX 0x40 /* VENIX 286 or LynxOS */ 261 #define MBR_PTYPE_PREP 0x41 /* PReP */ 262 #define MBR_PTYPE_DRDOS_LSWAP 0x42 /* linux swap sharing DRDOS disk */ 263 #define MBR_PTYPE_DRDOS_LINUX 0x43 /* linux sharing DRDOS disk */ 264 #define MBR_PTYPE_GOBACK 0x44 /* GoBack change utility */ 265 #define MBR_PTYPE_BOOT_US 0x45 /* Boot US Boot manager */ 266 #define MBR_PTYPE_EUMEL_x46 0x46 /* EUMEL/Elan or Ergos 3 */ 267 #define MBR_PTYPE_EUMEL_x47 0x47 /* EUMEL/Elan or Ergos 3 */ 268 #define MBR_PTYPE_EUMEL_x48 0x48 /* EUMEL/Elan or Ergos 3 */ 269 #define MBR_PTYPE_ALFS_THIN 0x4a /* ALFX/THIN filesystem for DOS */ 270 #define MBR_PTYPE_OBERON 0x4c /* Oberon partition */ 271 #define MBR_PTYPE_QNX4X 0x4d /* QNX4.x */ 272 #define MBR_PTYPE_QNX4X_2 0x4e /* QNX4.x 2nd part */ 273 #define MBR_PTYPE_QNX4X_3 0x4f /* QNX4.x 3rd part */ 274 #define MBR_PTYPE_DM 0x50 /* DM (disk manager) */ 275 #define MBR_PTYPE_DM6_AUX1 0x51 /* DM6 Aux1 (or Novell) */ 276 #define MBR_PTYPE_CPM 0x52 /* CP/M or Microport SysV/AT */ 277 #define MBR_PTYPE_DM6_AUX3 0x53 /* DM6 Aux3 */ 278 #define MBR_PTYPE_DM6_DDO 0x54 /* DM6 DDO */ 279 #define MBR_PTYPE_EZDRIVE 0x55 /* EZ-Drive (disk manager) */ 280 #define MBR_PTYPE_GOLDEN_BOW 0x56 /* Golden Bow (disk manager) */ 281 #define MBR_PTYPE_DRIVE_PRO 0x57 /* Drive PRO */ 282 #define MBR_PTYPE_PRIAM_EDISK 0x5c /* Priam Edisk (disk manager) */ 283 #define MBR_PTYPE_SPEEDSTOR 0x61 /* SpeedStor */ 284 #define MBR_PTYPE_HURD 0x63 /* GNU HURD or Mach or Sys V/386 */ 285 #define MBR_PTYPE_NOVELL_2XX 0x64 /* Novell Netware 2.xx or Speedstore */ 286 #define MBR_PTYPE_NOVELL_3XX 0x65 /* Novell Netware 3.xx */ 287 #define MBR_PTYPE_NOVELL_386 0x66 /* Novell 386 Netware */ 288 #define MBR_PTYPE_NOVELL_x67 0x67 /* Novell */ 289 #define MBR_PTYPE_NOVELL_x68 0x68 /* Novell */ 290 #define MBR_PTYPE_NOVELL_x69 0x69 /* Novell */ 291 #define MBR_PTYPE_DISKSECURE 0x70 /* DiskSecure Multi-Boot */ 292 #define MBR_PTYPE_RESERVED_x71 0x71 /* reserved */ 293 #define MBR_PTYPE_RESERVED_x73 0x73 /* reserved */ 294 #define MBR_PTYPE_RESERVED_x74 0x74 /* reserved */ 295 #define MBR_PTYPE_PCIX 0x75 /* PC/IX */ 296 #define MBR_PTYPE_RESERVED_x76 0x76 /* reserved */ 297 #define MBR_PTYPE_M2FS_M2CS 0x77 /* M2FS/M2CS partition */ 298 #define MBR_PTYPE_XOSL_FS 0x78 /* XOSL boot loader filesystem */ 299 #define MBR_PTYPE_MINIX_14A 0x80 /* MINIX until 1.4a */ 300 #define MBR_PTYPE_MINIX_14B 0x81 /* MINIX since 1.4b */ 301 #define MBR_PTYPE_LNXSWAP 0x82 /* Linux swap or Solaris */ 302 #define MBR_PTYPE_LNXEXT2 0x83 /* Linux native */ 303 #define MBR_PTYPE_OS2_C 0x84 /* OS/2 hidden C: drive */ 304 #define MBR_PTYPE_EXT_LNX 0x85 /* Linux extended partition */ 305 #define MBR_PTYPE_NTFATVOL 0x86 /* NT FAT volume set */ 306 #define MBR_PTYPE_NTFSVOL 0x87 /* NTFS volume set or HPFS mirrored */ 307 #define MBR_PTYPE_LNX_KERNEL 0x8a /* Linux Kernel AiR-BOOT partition */ 308 #define MBR_PTYPE_FT_FAT32 0x8b /* Legacy Fault tolerant FAT32 */ 309 #define MBR_PTYPE_FT_FAT32_EXT 0x8c /* Legacy Fault tolerant FAT32 ext */ 310 #define MBR_PTYPE_HID_FR_FD_12 0x8d /* Hidden free FDISK FAT12 */ 311 #define MBR_PTYPE_LNX_LVM 0x8e /* Linux Logical Volume Manager */ 312 #define MBR_PTYPE_HID_FR_FD_16 0x90 /* Hidden free FDISK FAT16 */ 313 #define MBR_PTYPE_HID_FR_FD_EXT 0x91 /* Hidden free FDISK DOS EXT */ 314 #define MBR_PTYPE_HID_FR_FD_16B 0x92 /* Hidden free FDISK FAT16 Big */ 315 #define MBR_PTYPE_AMOEBA_FS 0x93 /* Amoeba filesystem */ 316 #define MBR_PTYPE_AMOEBA_BAD 0x94 /* Amoeba bad block table */ 317 #define MBR_PTYPE_MIT_EXOPC 0x95 /* MIT EXOPC native partitions */ 318 #define MBR_PTYPE_HID_FR_FD_32 0x97 /* Hidden free FDISK FAT32 */ 319 #define MBR_PTYPE_DATALIGHT 0x98 /* Datalight ROM-DOS Super-Boot */ 320 #define MBR_PTYPE_MYLEX 0x99 /* Mylex EISA SCSI */ 321 #define MBR_PTYPE_HID_FR_FD_16L 0x9a /* Hidden free FDISK FAT16 LBA */ 322 #define MBR_PTYPE_HID_FR_FD_EXL 0x9b /* Hidden free FDISK EXT LBA */ 323 #define MBR_PTYPE_BSDI 0x9f /* BSDI? */ 324 #define MBR_PTYPE_IBM_HIB 0xa0 /* IBM Thinkpad hibernation */ 325 #define MBR_PTYPE_HP_VOL_xA1 0xa1 /* HP Volume expansion (SpeedStor) */ 326 #define MBR_PTYPE_HP_VOL_xA3 0xa3 /* HP Volume expansion (SpeedStor) */ 327 #define MBR_PTYPE_HP_VOL_xA4 0xa4 /* HP Volume expansion (SpeedStor) */ 328 #define MBR_PTYPE_386BSD 0xa5 /* 386BSD partition type */ 329 #define MBR_PTYPE_OPENBSD 0xa6 /* OpenBSD partition type */ 330 #define MBR_PTYPE_NEXTSTEP_486 0xa7 /* NeXTSTEP 486 */ 331 #define MBR_PTYPE_APPLE_UFS 0xa8 /* Apple UFS */ 332 #define MBR_PTYPE_NETBSD 0xa9 /* NetBSD partition type */ 333 #define MBR_PTYPE_OLIVETTI 0xaa /* Olivetty Fat12 1.44MB Service part */ 334 #define MBR_PTYPE_APPLE_BOOT 0xab /* Apple Boot */ 335 #define MBR_PTYPE_SHAG_OS 0xae /* SHAG OS filesystem */ 336 #define MBR_PTYPE_APPLE_HFS 0xaf /* Apple HFS */ 337 #define MBR_PTYPE_BOOTSTAR_DUM 0xb0 /* BootStar Dummy */ 338 #define MBR_PTYPE_RESERVED_xB1 0xb1 /* reserved */ 339 #define MBR_PTYPE_RESERVED_xB3 0xb3 /* reserved */ 340 #define MBR_PTYPE_RESERVED_xB4 0xb4 /* reserved */ 341 #define MBR_PTYPE_RESERVED_xB6 0xb6 /* reserved */ 342 #define MBR_PTYPE_BSDI_386 0xb7 /* BSDI BSD/386 filesystem */ 343 #define MBR_PTYPE_BSDI_SWAP 0xb8 /* BSDI BSD/386 swap */ 344 #define MBR_PTYPE_BOOT_WIZARD 0xbb /* Boot Wizard Hidden */ 345 #define MBR_PTYPE_SOLARIS_8 0xbe /* Solaris 8 partition type */ 346 #define MBR_PTYPE_SOLARIS 0xbf /* Solaris partition type */ 347 #define MBR_PTYPE_CTOS 0xc0 /* CTOS */ 348 #define MBR_PTYPE_DRDOS_FAT12 0xc1 /* DRDOS/sec (FAT-12) */ 349 #define MBR_PTYPE_HID_LNX 0xc2 /* Hidden Linux */ 350 #define MBR_PTYPE_HID_LNX_SWAP 0xc3 /* Hidden Linux swap */ 351 #define MBR_PTYPE_DRDOS_FAT16S 0xc4 /* DRDOS/sec (FAT-16, < 32M) */ 352 #define MBR_PTYPE_DRDOS_EXT 0xc5 /* DRDOS/sec (EXT) */ 353 #define MBR_PTYPE_DRDOS_FAT16B 0xc6 /* DRDOS/sec (FAT-16, >= 32M) */ 354 #define MBR_PTYPE_SYRINX 0xc7 /* Syrinx (Cyrnix?) or HPFS disabled */ 355 #define MBR_PTYPE_DRDOS_8_xC8 0xc8 /* Reserved for DR-DOS 8.0+ */ 356 #define MBR_PTYPE_DRDOS_8_xC9 0xc9 /* Reserved for DR-DOS 8.0+ */ 357 #define MBR_PTYPE_DRDOS_8_xCA 0xca /* Reserved for DR-DOS 8.0+ */ 358 #define MBR_PTYPE_DRDOS_74_CHS 0xcb /* DR-DOS 7.04+ Secured FAT32 CHS */ 359 #define MBR_PTYPE_DRDOS_74_LBA 0xcc /* DR-DOS 7.04+ Secured FAT32 LBA */ 360 #define MBR_PTYPE_CTOS_MEMDUMP 0xcd /* CTOS Memdump */ 361 #define MBR_PTYPE_DRDOS_74_16X 0xce /* DR-DOS 7.04+ FAT16X LBA */ 362 #define MBR_PTYPE_DRDOS_74_EXT 0xcf /* DR-DOS 7.04+ EXT LBA */ 363 #define MBR_PTYPE_REAL32 0xd0 /* REAL/32 secure big partition */ 364 #define MBR_PTYPE_MDOS_FAT12 0xd1 /* Old Multiuser DOS FAT12 */ 365 #define MBR_PTYPE_MDOS_FAT16S 0xd4 /* Old Multiuser DOS FAT16 Small */ 366 #define MBR_PTYPE_MDOS_EXT 0xd5 /* Old Multiuser DOS Extended */ 367 #define MBR_PTYPE_MDOS_FAT16B 0xd6 /* Old Multiuser DOS FAT16 Big */ 368 #define MBR_PTYPE_CPM_86 0xd8 /* CP/M 86 */ 369 #define MBR_PTYPE_CONCURRENT 0xdb /* CP/M or Concurrent CP/M */ 370 #define MBR_PTYPE_HID_CTOS_MEM 0xdd /* Hidden CTOS Memdump */ 371 #define MBR_PTYPE_DELL_UTIL 0xde /* Dell PowerEdge Server utilities */ 372 #define MBR_PTYPE_DGUX_VIRTUAL 0xdf /* DG/UX virtual disk manager */ 373 #define MBR_PTYPE_STMICROELEC 0xe0 /* STMicroelectronics ST AVFS */ 374 #define MBR_PTYPE_DOS_ACCESS 0xe1 /* DOS access or SpeedStor 12-bit */ 375 #define MBR_PTYPE_STORDIM 0xe3 /* DOS R/O or Storage Dimensions */ 376 #define MBR_PTYPE_SPEEDSTOR_16S 0xe4 /* SpeedStor 16-bit FAT < 1024 cyl. */ 377 #define MBR_PTYPE_RESERVED_xE5 0xe5 /* reserved */ 378 #define MBR_PTYPE_RESERVED_xE6 0xe6 /* reserved */ 379 #define MBR_PTYPE_BEOS 0xeb /* BeOS */ 380 #define MBR_PTYPE_PMBR 0xee /* GPT Protective MBR */ 381 #define MBR_PTYPE_EFI 0xef /* EFI system partition */ 382 #define MBR_PTYPE_LNX_PA_RISC 0xf0 /* Linux PA-RISC boot loader */ 383 #define MBR_PTYPE_SPEEDSTOR_X 0xf1 /* SpeedStor or Storage Dimensions */ 384 #define MBR_PTYPE_DOS33_SEC 0xf2 /* DOS 3.3+ Secondary */ 385 #define MBR_PTYPE_RESERVED_xF3 0xf3 /* reserved */ 386 #define MBR_PTYPE_SPEEDSTOR_L 0xf4 /* SpeedStor large partition */ 387 #define MBR_PTYPE_PROLOGUE 0xf5 /* Prologue multi-volumen partition */ 388 #define MBR_PTYPE_RESERVED_xF6 0xf6 /* reserved */ 389 #define MBR_PTYPE_PCACHE 0xf9 /* pCache: ext2/ext3 persistent cache */ 390 #define MBR_PTYPE_BOCHS 0xfa /* Bochs x86 emulator */ 391 #define MBR_PTYPE_VMWARE 0xfb /* VMware File System */ 392 #define MBR_PTYPE_VMWARE_SWAP 0xfc /* VMware Swap */ 393 #define MBR_PTYPE_LNX_RAID 0xfd /* Linux RAID partition persistent sb */ 394 #define MBR_PTYPE_LANSTEP 0xfe /* LANstep or IBM PS/2 IML */ 395 #define MBR_PTYPE_XENIX_BAD 0xff /* Xenix Bad Block Table */ 396 397 #ifdef MBRPTYPENAMES 398 static const struct mbr_ptype { 399 int id; 400 const char *name; 401 } mbr_ptypes[] = { 402 { MBR_PTYPE_UNUSED, "<UNUSED>" }, 403 { MBR_PTYPE_FAT12, "Primary DOS with 12 bit FAT" }, 404 { MBR_PTYPE_XENIX_ROOT, "XENIX / filesystem" }, 405 { MBR_PTYPE_XENIX_USR, "XENIX /usr filesystem" }, 406 { MBR_PTYPE_FAT16S, "Primary DOS with 16 bit FAT <32M" }, 407 { MBR_PTYPE_EXT, "Extended partition" }, 408 { MBR_PTYPE_FAT16B, "Primary 'big' DOS, 16-bit FAT (> 32MB)" }, 409 { MBR_PTYPE_NTFS, "NTFS, OS/2 HPFS, QNX2 or Advanced UNIX" }, 410 { MBR_PTYPE_DELL, "AIX filesystem or OS/2 (thru v1.3) or DELL " 411 "multiple drives or Commodore DOS or SplitDrive" }, 412 { MBR_PTYPE_AIX_BOOT, "AIX boot partition or Coherent" }, 413 { MBR_PTYPE_OS2_BOOT, "OS/2 Boot Manager or Coherent swap or OPUS" }, 414 { MBR_PTYPE_FAT32, "Primary DOS with 32 bit FAT" }, 415 { MBR_PTYPE_FAT32L, "Primary DOS with 32 bit FAT - LBA" }, 416 { MBR_PTYPE_7XXX, "Type 7??? - LBA" }, 417 { MBR_PTYPE_FAT16L, "DOS (16-bit FAT) - LBA" }, 418 { MBR_PTYPE_EXT_LBA, "Ext. partition - LBA" }, 419 { MBR_PTYPE_OPUS, "OPUS" }, 420 { MBR_PTYPE_OS2_DOS12, "OS/2 BM: hidden DOS 12-bit FAT" }, 421 { MBR_PTYPE_COMPAQ_DIAG, "Compaq diagnostics" }, 422 { MBR_PTYPE_OS2_DOS16S, "OS/2 BM: hidden DOS 16-bit FAT <32M " 423 "or Novell DOS 7.0 bug" }, 424 { MBR_PTYPE_OS2_DOS16B, "OS/2 BM: hidden DOS 16-bit FAT >=32M" }, 425 { MBR_PTYPE_OS2_IFS, "OS/2 BM: hidden IFS" }, 426 { MBR_PTYPE_AST_SWAP, "AST Windows swapfile" }, 427 { MBR_PTYPE_WILLOWTECH, "Willowtech Photon coS" }, 428 { MBR_PTYPE_HID_FAT32, "hidden Windows/95 FAT32" }, 429 { MBR_PTYPE_HID_FAT32_LBA, "hidden Windows/95 FAT32 LBA" }, 430 { MBR_PTYPE_HID_FAT16_LBA, "hidden Windows/95 FAT16 LBA" }, 431 { MBR_PTYPE_WILLOWSOFT, "Willowsoft OFS1" }, 432 { MBR_PTYPE_RESERVED_x21, "reserved" }, 433 { MBR_PTYPE_RESERVED_x23, "reserved" }, 434 { MBR_PTYPE_RESERVED_x24, "NEC DOS"}, 435 { MBR_PTYPE_RESERVED_x26, "reserved" }, 436 { MBR_PTYPE_RESERVED_x31, "reserved" }, 437 { MBR_PTYPE_NOS, "Alien Internet Services NOS" }, 438 { MBR_PTYPE_RESERVED_x33, "reserved" }, 439 { MBR_PTYPE_RESERVED_x34, "reserved" }, 440 { MBR_PTYPE_OS2_JFS, "JFS on OS2" }, 441 { MBR_PTYPE_RESERVED_x36, "reserved" }, 442 { MBR_PTYPE_THEOS, "Theos" }, 443 { MBR_PTYPE_PLAN9, "Plan 9" }, 444 { MBR_PTYPE_PLAN9, "Plan 9, or Theos spanned" }, 445 { MBR_PTYPE_THEOS_4GB, "Theos ver 4 4gb partition" }, 446 { MBR_PTYPE_THEOS_EXT, "Theos ve 4 extended partition" }, 447 { MBR_PTYPE_PMRECOVERY, "PartitionMagic recovery" }, 448 { MBR_PTYPE_HID_NETWARE, "Hidden Netware" }, 449 { MBR_PTYPE_VENIX, "VENIX 286 or LynxOS" }, 450 { MBR_PTYPE_PREP, "Linux/MINIX (sharing disk with DRDOS) " 451 "or Personal RISC boot" }, 452 { MBR_PTYPE_DRDOS_LSWAP, "SFS or Linux swap " 453 "(sharing disk with DRDOS)" }, 454 { MBR_PTYPE_DRDOS_LINUX, "Linux native (sharing disk with DRDOS)" }, 455 { MBR_PTYPE_GOBACK, "GoBack change utility" }, 456 { MBR_PTYPE_BOOT_US, "Boot US Boot manager" }, 457 { MBR_PTYPE_EUMEL_x46, "EUMEL/Elan or Ergos 3" }, 458 { MBR_PTYPE_EUMEL_x47, "EUMEL/Elan or Ergos 3" }, 459 { MBR_PTYPE_EUMEL_x48, "EUMEL/Elan or Ergos 3" }, 460 { MBR_PTYPE_ALFS_THIN, "ALFX/THIN filesystem for DOS" }, 461 { MBR_PTYPE_OBERON, "Oberon partition" }, 462 { MBR_PTYPE_QNX4X, "QNX4.x" }, 463 { MBR_PTYPE_QNX4X_2, "QNX4.x 2nd part" }, 464 { MBR_PTYPE_QNX4X_3, "QNX4.x 3rd part" }, 465 { MBR_PTYPE_DM, "DM (disk manager)" }, 466 { MBR_PTYPE_DM6_AUX1, "DM6 Aux1 (or Novell)" }, 467 { MBR_PTYPE_CPM, "CP/M or Microport SysV/AT" }, 468 { MBR_PTYPE_DM6_AUX3, "DM6 Aux3" }, 469 { MBR_PTYPE_DM6_DDO, "DM6 DDO" }, 470 { MBR_PTYPE_EZDRIVE, "EZ-Drive (disk manager)" }, 471 { MBR_PTYPE_GOLDEN_BOW, "Golden Bow (disk manager)" }, 472 { MBR_PTYPE_DRIVE_PRO, "Drive PRO" }, 473 { MBR_PTYPE_PRIAM_EDISK, "Priam Edisk (disk manager)" }, 474 { MBR_PTYPE_SPEEDSTOR, "SpeedStor" }, 475 { MBR_PTYPE_HURD, "GNU HURD or Mach or Sys V/386 " 476 "(such as ISC UNIX) or MtXinu" }, 477 { MBR_PTYPE_NOVELL_2XX, "Novell Netware 2.xx or Speedstore" }, 478 { MBR_PTYPE_NOVELL_3XX, "Novell Netware 3.xx" }, 479 { MBR_PTYPE_NOVELL_386, "Novell 386 Netware" }, 480 { MBR_PTYPE_NOVELL_x67, "Novell" }, 481 { MBR_PTYPE_NOVELL_x68, "Novell" }, 482 { MBR_PTYPE_NOVELL_x69, "Novell" }, 483 { MBR_PTYPE_DISKSECURE, "DiskSecure Multi-Boot" }, 484 { MBR_PTYPE_RESERVED_x71, "reserved" }, 485 { MBR_PTYPE_RESERVED_x73, "reserved" }, 486 { MBR_PTYPE_RESERVED_x74, "reserved" }, 487 { MBR_PTYPE_PCIX, "PC/IX" }, 488 { MBR_PTYPE_RESERVED_x76, "reserved" }, 489 { MBR_PTYPE_M2FS_M2CS, "M2FS/M2CS partition" }, 490 { MBR_PTYPE_XOSL_FS, "XOSL boot loader filesystem" }, 491 { MBR_PTYPE_MINIX_14A, "MINIX until 1.4a" }, 492 { MBR_PTYPE_MINIX_14B, "MINIX since 1.4b, early Linux, Mitac dmgr" }, 493 { MBR_PTYPE_LNXSWAP, "Linux swap or Prime or Solaris" }, 494 { MBR_PTYPE_LNXEXT2, "Linux native" }, 495 { MBR_PTYPE_OS2_C, "OS/2 hidden C: drive" }, 496 { MBR_PTYPE_EXT_LNX, "Linux extended" }, 497 { MBR_PTYPE_NTFATVOL, "NT FAT volume set" }, 498 { MBR_PTYPE_NTFSVOL, "NTFS volume set or HPFS mirrored" }, 499 { MBR_PTYPE_LNX_KERNEL, "Linux Kernel AiR-BOOT partition" }, 500 { MBR_PTYPE_FT_FAT32, "Legacy Fault tolerant FAT32" }, 501 { MBR_PTYPE_FT_FAT32_EXT, "Legacy Fault tolerant FAT32 ext" }, 502 { MBR_PTYPE_HID_FR_FD_12, "Hidden free FDISK FAT12" }, 503 { MBR_PTYPE_LNX_LVM, "Linux Logical Volume Manager" }, 504 { MBR_PTYPE_HID_FR_FD_16, "Hidden free FDISK FAT16" }, 505 { MBR_PTYPE_HID_FR_FD_EXT, "Hidden free FDISK DOS EXT" }, 506 { MBR_PTYPE_HID_FR_FD_16L, "Hidden free FDISK FAT16 Large" }, 507 { MBR_PTYPE_AMOEBA_FS, "Amoeba filesystem" }, 508 { MBR_PTYPE_AMOEBA_BAD, "Amoeba bad block table" }, 509 { MBR_PTYPE_MIT_EXOPC, "MIT EXOPC native partitions" }, 510 { MBR_PTYPE_HID_FR_FD_32, "Hidden free FDISK FAT32" }, 511 { MBR_PTYPE_DATALIGHT, "Datalight ROM-DOS Super-Boot" }, 512 { MBR_PTYPE_MYLEX, "Mylex EISA SCSI" }, 513 { MBR_PTYPE_HID_FR_FD_16L, "Hidden free FDISK FAT16 LBA" }, 514 { MBR_PTYPE_HID_FR_FD_EXL, "Hidden free FDISK EXT LBA" }, 515 { MBR_PTYPE_BSDI, "BSDI?" }, 516 { MBR_PTYPE_IBM_HIB, "IBM Thinkpad hibernation" }, 517 { MBR_PTYPE_HP_VOL_xA1, "HP Volume expansion (SpeedStor)" }, 518 { MBR_PTYPE_HP_VOL_xA3, "HP Volume expansion (SpeedStor)" }, 519 { MBR_PTYPE_HP_VOL_xA4, "HP Volume expansion (SpeedStor)" }, 520 { MBR_PTYPE_386BSD, "FreeBSD or 386BSD or old NetBSD" }, 521 { MBR_PTYPE_OPENBSD, "OpenBSD" }, 522 { MBR_PTYPE_NEXTSTEP_486, "NeXTSTEP 486" }, 523 { MBR_PTYPE_APPLE_UFS, "Apple UFS" }, 524 { MBR_PTYPE_NETBSD, "NetBSD" }, 525 { MBR_PTYPE_OLIVETTI, "Olivetty Fat12 1.44MB Service part" }, 526 { MBR_PTYPE_SHAG_OS, "SHAG OS filesystem" }, 527 { MBR_PTYPE_BOOTSTAR_DUM, "BootStar Dummy" }, 528 { MBR_PTYPE_BOOT_WIZARD, "Boot Wizard Hidden" }, 529 { MBR_PTYPE_APPLE_BOOT, "Apple Boot" }, 530 { MBR_PTYPE_APPLE_HFS, "Apple HFS" }, 531 { MBR_PTYPE_RESERVED_xB6, "reserved" }, 532 { MBR_PTYPE_RESERVED_xB6, "reserved" }, 533 { MBR_PTYPE_RESERVED_xB6, "reserved" }, 534 { MBR_PTYPE_RESERVED_xB6, "reserved" }, 535 { MBR_PTYPE_BSDI_386, "BSDI BSD/386 filesystem" }, 536 { MBR_PTYPE_BSDI_SWAP, "BSDI BSD/386 swap" }, 537 { MBR_PTYPE_SOLARIS_8, "Solaris 8 boot partition" }, 538 { MBR_PTYPE_SOLARIS, "Solaris boot partition" }, 539 { MBR_PTYPE_CTOS, "CTOS" }, 540 { MBR_PTYPE_DRDOS_FAT12, "DRDOS/sec (FAT-12)" }, 541 { MBR_PTYPE_HID_LNX, "Hidden Linux" }, 542 { MBR_PTYPE_HID_LNX_SWAP, "Hidden Linux Swap" }, 543 { MBR_PTYPE_DRDOS_FAT16S, "DRDOS/sec (FAT-16, < 32M)" }, 544 { MBR_PTYPE_DRDOS_EXT, "DRDOS/sec (EXT)" }, 545 { MBR_PTYPE_DRDOS_FAT16B, "DRDOS/sec (FAT-16, >= 32M)" }, 546 { MBR_PTYPE_SYRINX, "Syrinx (Cyrnix?) or HPFS disabled" }, 547 { MBR_PTYPE_DRDOS_8_xC8, "Reserved for DR-DOS 8.0+" }, 548 { MBR_PTYPE_DRDOS_8_xC9, "Reserved for DR-DOS 8.0+" }, 549 { MBR_PTYPE_DRDOS_8_xCA, "Reserved for DR-DOS 8.0+" }, 550 { MBR_PTYPE_DRDOS_74_CHS, "DR-DOS 7.04+ Secured FAT32 CHS" }, 551 { MBR_PTYPE_DRDOS_74_LBA, "DR-DOS 7.04+ Secured FAT32 LBA" }, 552 { MBR_PTYPE_CTOS_MEMDUMP, "CTOS Memdump" }, 553 { MBR_PTYPE_DRDOS_74_16X, "DR-DOS 7.04+ FAT16X LBA" }, 554 { MBR_PTYPE_DRDOS_74_EXT, "DR-DOS 7.04+ EXT LBA" }, 555 { MBR_PTYPE_REAL32, "REAL/32 secure big partition" }, 556 { MBR_PTYPE_MDOS_FAT12, "Old Multiuser DOS FAT12" }, 557 { MBR_PTYPE_MDOS_FAT16S, "Old Multiuser DOS FAT16 Small" }, 558 { MBR_PTYPE_MDOS_EXT, "Old Multiuser DOS Extended" }, 559 { MBR_PTYPE_MDOS_FAT16B, "Old Multiuser DOS FAT16 Big" }, 560 { MBR_PTYPE_CPM_86, "CP/M 86" }, 561 { MBR_PTYPE_CONCURRENT, "CP/M or Concurrent CP/M or Concurrent DOS " 562 "or CTOS" }, 563 { MBR_PTYPE_HID_CTOS_MEM, "Hidden CTOS Memdump" }, 564 { MBR_PTYPE_DELL_UTIL, "Dell PowerEdge Server utilities" }, 565 { MBR_PTYPE_DGUX_VIRTUAL, "DG/UX virtual disk manager" }, 566 { MBR_PTYPE_STMICROELEC, "STMicroelectronics ST AVFS" }, 567 { MBR_PTYPE_DOS_ACCESS, "DOS access or SpeedStor 12-bit FAT " 568 "extended partition" }, 569 { MBR_PTYPE_STORDIM, "DOS R/O or SpeedStor or Storage Dimensions" }, 570 { MBR_PTYPE_SPEEDSTOR_16S, "SpeedStor 16-bit FAT extended partition " 571 "< 1024 cyl." }, 572 { MBR_PTYPE_RESERVED_xE5, "reserved" }, 573 { MBR_PTYPE_RESERVED_xE6, "reserved" }, 574 { MBR_PTYPE_BEOS, "BeOS" }, 575 { MBR_PTYPE_PMBR, "GPT Protective MBR" }, 576 { MBR_PTYPE_EFI, "EFI system partition" }, 577 { MBR_PTYPE_LNX_PA_RISC, "Linux PA-RISC boot loader" }, 578 { MBR_PTYPE_SPEEDSTOR_X, "SpeedStor or Storage Dimensions" }, 579 { MBR_PTYPE_DOS33_SEC, "DOS 3.3+ Secondary" }, 580 { MBR_PTYPE_RESERVED_xF3, "reserved" }, 581 { MBR_PTYPE_SPEEDSTOR_L, "SpeedStor large partition or " 582 "Storage Dimensions" }, 583 { MBR_PTYPE_PROLOGUE, "Prologue multi-volumen partition" }, 584 { MBR_PTYPE_RESERVED_xF6, "reserved" }, 585 { MBR_PTYPE_PCACHE, "pCache: ext2/ext3 persistent cache" }, 586 { MBR_PTYPE_BOCHS, "Bochs x86 emulator" }, 587 { MBR_PTYPE_VMWARE, "VMware File System" }, 588 { MBR_PTYPE_VMWARE_SWAP, "VMware Swap" }, 589 { MBR_PTYPE_LNX_RAID, "Linux RAID partition persistent sb" }, 590 { MBR_PTYPE_LANSTEP, "SpeedStor >1024 cyl. or LANstep " 591 "or IBM PS/2 IML" }, 592 { MBR_PTYPE_XENIX_BAD, "Xenix Bad Block Table" }, 593 }; 594 #endif 595 596 #define MBR_PSECT(s) ((s) & 0x3f) 597 #define MBR_PCYL(c, s) ((c) + (((s) & 0xc0) << 2)) 598 599 #define MBR_IS_EXTENDED(x) ((x) == MBR_PTYPE_EXT || \ 600 (x) == MBR_PTYPE_EXT_LBA || \ 601 (x) == MBR_PTYPE_EXT_LNX) 602 603 /* values for mbr_bootsel.mbrbs_flags */ 604 #define MBR_BS_ACTIVE 0x01 /* Bootselector active (or code present) */ 605 #define MBR_BS_EXTINT13 0x02 /* Set by fdisk if LBA needed (deprecated) */ 606 #define MBR_BS_READ_LBA 0x04 /* Force LBA reads (deprecated) */ 607 #define MBR_BS_EXTLBA 0x08 /* Extended ptn capable (LBA reads) */ 608 #define MBR_BS_ASCII 0x10 /* Bootselect code needs ascii key code */ 609 /* This is always set, the bootsel is located using the magic number... */ 610 #define MBR_BS_NEWMBR 0x80 /* New bootsel at offset 440 */ 611 612 #if !defined(__ASSEMBLER__) /* { */ 613 614 /* 615 * (x86) BIOS Parameter Block for FAT12 616 */ 617 struct mbr_bpbFAT12 { 618 uint16_t bpbBytesPerSec; /* bytes per sector */ 619 uint8_t bpbSecPerClust; /* sectors per cluster */ 620 uint16_t bpbResSectors; /* number of reserved sectors */ 621 uint8_t bpbFATs; /* number of FATs */ 622 uint16_t bpbRootDirEnts; /* number of root directory entries */ 623 uint16_t bpbSectors; /* total number of sectors */ 624 uint8_t bpbMedia; /* media descriptor */ 625 uint16_t bpbFATsecs; /* number of sectors per FAT */ 626 uint16_t bpbSecPerTrack; /* sectors per track */ 627 uint16_t bpbHeads; /* number of heads */ 628 uint16_t bpbHiddenSecs; /* # of hidden sectors */ 629 } __packed; 630 631 /* 632 * (x86) BIOS Parameter Block for FAT16 633 */ 634 struct mbr_bpbFAT16 { 635 uint16_t bpbBytesPerSec; /* bytes per sector */ 636 uint8_t bpbSecPerClust; /* sectors per cluster */ 637 uint16_t bpbResSectors; /* number of reserved sectors */ 638 uint8_t bpbFATs; /* number of FATs */ 639 uint16_t bpbRootDirEnts; /* number of root directory entries */ 640 uint16_t bpbSectors; /* total number of sectors */ 641 uint8_t bpbMedia; /* media descriptor */ 642 uint16_t bpbFATsecs; /* number of sectors per FAT */ 643 uint16_t bpbSecPerTrack; /* sectors per track */ 644 uint16_t bpbHeads; /* number of heads */ 645 uint32_t bpbHiddenSecs; /* # of hidden sectors */ 646 uint32_t bpbHugeSectors; /* # of sectors if bpbSectors == 0 */ 647 uint8_t bsDrvNum; /* Int 0x13 drive number (e.g. 0x80) */ 648 uint8_t bsReserved1; /* Reserved; set to 0 */ 649 uint8_t bsBootSig; /* 0x29 if next 3 fields are present */ 650 uint8_t bsVolID[4]; /* Volume serial number */ 651 uint8_t bsVolLab[11]; /* Volume label */ 652 uint8_t bsFileSysType[8]; 653 /* "FAT12 ", "FAT16 ", "FAT " */ 654 } __packed; 655 656 /* 657 * (x86) BIOS Parameter Block for FAT32 658 */ 659 struct mbr_bpbFAT32 { 660 uint16_t bpbBytesPerSec; /* bytes per sector */ 661 uint8_t bpbSecPerClust; /* sectors per cluster */ 662 uint16_t bpbResSectors; /* number of reserved sectors */ 663 uint8_t bpbFATs; /* number of FATs */ 664 uint16_t bpbRootDirEnts; /* number of root directory entries */ 665 uint16_t bpbSectors; /* total number of sectors */ 666 uint8_t bpbMedia; /* media descriptor */ 667 uint16_t bpbFATsecs; /* number of sectors per FAT */ 668 uint16_t bpbSecPerTrack; /* sectors per track */ 669 uint16_t bpbHeads; /* number of heads */ 670 uint32_t bpbHiddenSecs; /* # of hidden sectors */ 671 uint32_t bpbHugeSectors; /* # of sectors if bpbSectors == 0 */ 672 uint32_t bpbBigFATsecs; /* like bpbFATsecs for FAT32 */ 673 uint16_t bpbExtFlags; /* extended flags: */ 674 #define MBR_FAT32_FATNUM 0x0F /* mask for numbering active FAT */ 675 #define MBR_FAT32_FATMIRROR 0x80 /* FAT is mirrored (as previously) */ 676 uint16_t bpbFSVers; /* filesystem version */ 677 #define MBR_FAT32_FSVERS 0 /* currently only 0 is understood */ 678 uint32_t bpbRootClust; /* start cluster for root directory */ 679 uint16_t bpbFSInfo; /* filesystem info structure sector */ 680 uint16_t bpbBackup; /* backup boot sector */ 681 uint8_t bsReserved[12]; /* Reserved for future expansion */ 682 uint8_t bsDrvNum; /* Int 0x13 drive number (e.g. 0x80) */ 683 uint8_t bsReserved1; /* Reserved; set to 0 */ 684 uint8_t bsBootSig; /* 0x29 if next 3 fields are present */ 685 uint8_t bsVolID[4]; /* Volume serial number */ 686 uint8_t bsVolLab[11]; /* Volume label */ 687 uint8_t bsFileSysType[8]; /* "FAT32 " */ 688 } __packed; 689 690 /* 691 * (x86) MBR boot selector 692 */ 693 struct mbr_bootsel { 694 uint8_t mbrbs_defkey; 695 uint8_t mbrbs_flags; 696 uint16_t mbrbs_timeo; 697 char mbrbs_nametab[MBR_PART_COUNT][MBR_BS_PARTNAMESIZE + 1]; 698 } __packed; 699 700 /* 701 * MBR partition 702 */ 703 struct mbr_partition { 704 uint8_t mbrp_flag; /* MBR partition flags */ 705 uint8_t mbrp_shd; /* Starting head */ 706 uint8_t mbrp_ssect; /* Starting sector */ 707 uint8_t mbrp_scyl; /* Starting cylinder */ 708 uint8_t mbrp_type; /* Partition type (see below) */ 709 uint8_t mbrp_ehd; /* End head */ 710 uint8_t mbrp_esect; /* End sector */ 711 uint8_t mbrp_ecyl; /* End cylinder */ 712 uint32_t mbrp_start; /* Absolute starting sector number */ 713 uint32_t mbrp_size; /* Partition size in sectors */ 714 } __packed; 715 716 int xlat_mbr_fstype(int); /* in sys/lib/libkern/xlat_mbr_fstype.c */ 717 718 /* 719 * MBR boot sector. 720 * This is used by both the MBR (Master Boot Record) in sector 0 of the disk 721 * and the PBR (Partition Boot Record) in sector 0 of an MBR partition. 722 */ 723 struct mbr_sector { 724 /* Jump instruction to boot code. */ 725 /* Usually 0xE9nnnn or 0xEBnn90 */ 726 uint8_t mbr_jmpboot[3]; 727 /* OEM name and version */ 728 uint8_t mbr_oemname[8]; 729 union { /* BIOS Parameter Block */ 730 struct mbr_bpbFAT12 bpb12; 731 struct mbr_bpbFAT16 bpb16; 732 struct mbr_bpbFAT32 bpb32; 733 } mbr_bpb; 734 /* Boot code */ 735 uint8_t mbr_bootcode[310]; 736 /* Config for /usr/mdec/mbr_bootsel */ 737 struct mbr_bootsel mbr_bootsel; 738 /* NT Drive Serial Number */ 739 uint32_t mbr_dsn; 740 /* mbr_bootsel magic */ 741 uint16_t mbr_bootsel_magic; 742 /* MBR partition table */ 743 struct mbr_partition mbr_parts[MBR_PART_COUNT]; 744 /* MBR magic (0xaa55) */ 745 uint16_t mbr_magic; 746 } __packed; 747 748 #endif /* !defined(__ASSEMBLER__) */ /* } */ 749 750 751 /* ------------------------------------------ 752 * shared -- 753 * definitions shared by many platforms 754 */ 755 756 #if !defined(__ASSEMBLER__) /* { */ 757 758 /* Maximum # of blocks in bbi_block_table, each bbi_block_size long */ 759 #define SHARED_BBINFO_MAXBLOCKS 118 /* so sizeof(shared_bbinfo) == 512 */ 760 761 struct shared_bbinfo { 762 uint8_t bbi_magic[32]; 763 int32_t bbi_block_size; 764 int32_t bbi_block_count; 765 int32_t bbi_block_table[SHARED_BBINFO_MAXBLOCKS]; 766 }; 767 768 /* ------------------------------------------ 769 * alpha -- 770 * Alpha (disk, but also tape) Boot Block. 771 * 772 * See Section (III) 3.6.1 of the Alpha Architecture Reference Manual. 773 */ 774 775 struct alpha_boot_block { 776 uint64_t bb_data[63]; /* data (disklabel, also as below) */ 777 uint64_t bb_cksum; /* checksum of the boot block, 778 * taken as uint64_t's 779 */ 780 }; 781 #define bb_secsize bb_data[60] /* secondary size (blocks) */ 782 #define bb_secstart bb_data[61] /* secondary start (blocks) */ 783 #define bb_flags bb_data[62] /* unknown flags (set to zero) */ 784 785 #define ALPHA_BOOT_BLOCK_OFFSET 0 /* offset of boot block. */ 786 #define ALPHA_BOOT_BLOCK_BLOCKSIZE 512 /* block size for sector 787 * size/start, and for boot 788 * block itself. 789 */ 790 791 #define ALPHA_BOOT_BLOCK_CKSUM(bb,cksum) \ 792 do { \ 793 const struct alpha_boot_block *_bb = (bb); \ 794 uint64_t _cksum; \ 795 size_t _i; \ 796 \ 797 _cksum = 0; \ 798 for (_i = 0; \ 799 _i < (sizeof _bb->bb_data / sizeof _bb->bb_data[0]); \ 800 _i++) \ 801 _cksum += le64toh(_bb->bb_data[_i]); \ 802 *(cksum) = htole64(_cksum); \ 803 } while (/*CONSTCOND*/ 0) 804 805 /* ------------------------------------------ 806 * apple -- 807 * Apple computers boot block related information 808 */ 809 810 /* 811 * Driver Descriptor Map, from Inside Macintosh: Devices, SCSI Manager 812 * pp 12-13. The driver descriptor map always resides on physical block 0. 813 */ 814 struct apple_drvr_descriptor { 815 uint32_t descBlock; /* first block of driver */ 816 uint16_t descSize; /* driver size in blocks */ 817 uint16_t descType; /* system type */ 818 } __packed; 819 820 /* 821 * system types; Apple reserves 0-15 822 */ 823 #define APPLE_DRVR_TYPE_MACINTOSH 1 824 825 #define APPLE_DRVR_MAP_MAGIC 0x4552 826 #define APPLE_DRVR_MAP_MAX_DESCRIPTORS 61 827 828 struct apple_drvr_map { 829 uint16_t sbSig; /* map signature */ 830 uint16_t sbBlockSize; /* block size of device */ 831 uint32_t sbBlkCount; /* number of blocks on device */ 832 uint16_t sbDevType; /* (used internally by ROM) */ 833 uint16_t sbDevID; /* (used internally by ROM) */ 834 uint32_t sbData; /* (used internally by ROM) */ 835 uint16_t sbDrvrCount; /* number of driver descriptors */ 836 struct apple_drvr_descriptor sb_dd[APPLE_DRVR_MAP_MAX_DESCRIPTORS]; 837 uint16_t pad[3]; 838 } __packed; 839 840 /* 841 * Partition map structure from Inside Macintosh: Devices, SCSI Manager 842 * pp. 13-14. The partition map always begins on physical block 1. 843 * 844 * With the exception of block 0, all blocks on the disk must belong to 845 * exactly one partition. The partition map itself belongs to a partition 846 * of type `APPLE_PARTITION_MAP', and is not limited in size by anything 847 * other than available disk space. The partition map is not necessarily 848 * the first partition listed. 849 */ 850 #define APPLE_PART_MAP_ENTRY_MAGIC 0x504d 851 852 struct apple_part_map_entry { 853 uint16_t pmSig; /* partition signature */ 854 uint16_t pmSigPad; /* (reserved) */ 855 uint32_t pmMapBlkCnt; /* number of blocks in partition map */ 856 uint32_t pmPyPartStart; /* first physical block of partition */ 857 uint32_t pmPartBlkCnt; /* number of blocks in partition */ 858 uint8_t pmPartName[32]; /* partition name */ 859 uint8_t pmPartType[32]; /* partition type */ 860 uint32_t pmLgDataStart; /* first logical block of data area */ 861 uint32_t pmDataCnt; /* number of blocks in data area */ 862 uint32_t pmPartStatus; /* partition status information */ 863 /* 864 * Partition Status Information from Apple Tech Note 1189 865 */ 866 #define APPLE_PS_VALID 0x00000001 /* Entry is valid */ 867 #define APPLE_PS_ALLOCATED 0x00000002 /* Entry is allocated */ 868 #define APPLE_PS_IN_USE 0x00000004 /* Entry in use */ 869 #define APPLE_PS_BOOT_INFO 0x00000008 /* Entry contains boot info */ 870 #define APPLE_PS_READABLE 0x00000010 /* Entry is readable */ 871 #define APPLE_PS_WRITABLE 0x00000020 /* Entry is writable */ 872 #define APPLE_PS_BOOT_CODE_PIC 0x00000040 /* Boot code has position 873 * independent code */ 874 #define APPLE_PS_CC_DRVR 0x00000100 /* Partition contains chain- 875 * compatible driver */ 876 #define APPLE_PS_RL_DRVR 0x00000200 /* Partition contains real 877 * driver */ 878 #define APPLE_PS_CH_DRVR 0x00000400 /* Partition contains chain 879 * driver */ 880 #define APPLE_PS_AUTO_MOUNT 0x40000000 /* Mount automatically at 881 * startup */ 882 #define APPLE_PS_STARTUP 0x80000000 /* Is the startup partition */ 883 uint32_t pmLgBootStart; /* first logical block of boot code */ 884 uint32_t pmBootSize; /* size of boot code, in bytes */ 885 uint32_t pmBootLoad; /* boot code load address */ 886 uint32_t pmBootLoad2; /* (reserved) */ 887 uint32_t pmBootEntry; /* boot code entry point */ 888 uint32_t pmBootEntry2; /* (reserved) */ 889 uint32_t pmBootCksum; /* boot code checksum */ 890 int8_t pmProcessor[16]; /* processor type (e.g. "68020") */ 891 uint8_t pmBootArgs[128]; /* A/UX boot arguments */ 892 uint8_t pad[248]; /* pad to end of block */ 893 }; 894 895 #define APPLE_PART_TYPE_DRIVER "APPLE_DRIVER" 896 #define APPLE_PART_TYPE_DRIVER43 "APPLE_DRIVER43" 897 #define APPLE_PART_TYPE_DRIVERATA "APPLE_DRIVER_ATA" 898 #define APPLE_PART_TYPE_DRIVERIOKIT "APPLE_DRIVER_IOKIT" 899 #define APPLE_PART_TYPE_FWDRIVER "APPLE_FWDRIVER" 900 #define APPLE_PART_TYPE_FWB_COMPONENT "FWB DRIVER COMPONENTS" 901 #define APPLE_PART_TYPE_FREE "APPLE_FREE" 902 #define APPLE_PART_TYPE_MAC "APPLE_HFS" 903 #define APPLE_PART_TYPE_NETBSD "NETBSD" 904 #define APPLE_PART_TYPE_NBSD_PPCBOOT "NETBSD/MACPPC" 905 #define APPLE_PART_TYPE_NBSD_68KBOOT "NETBSD/MAC68K" 906 #define APPLE_PART_TYPE_PATCHES "APPLE_PATCHES" 907 #define APPLE_PART_TYPE_PARTMAP "APPLE_PARTITION_MAP" 908 #define APPLE_PART_TYPE_PATCHES "APPLE_PATCHES" 909 #define APPLE_PART_TYPE_SCRATCH "APPLE_SCRATCH" 910 #define APPLE_PART_TYPE_UNIX "APPLE_UNIX_SVR2" 911 912 /* 913 * "pmBootArgs" for APPLE_UNIX_SVR2 partition. 914 * NetBSD/mac68k only uses Magic, Cluster, Type, and Flags. 915 */ 916 struct apple_blockzeroblock { 917 uint32_t bzbMagic; 918 uint8_t bzbCluster; 919 uint8_t bzbType; 920 uint16_t bzbBadBlockInode; 921 uint16_t bzbFlags; 922 uint16_t bzbReserved; 923 uint32_t bzbCreationTime; 924 uint32_t bzbMountTime; 925 uint32_t bzbUMountTime; 926 }; 927 928 #define APPLE_BZB_MAGIC 0xABADBABE 929 #define APPLE_BZB_TYPEFS 1 930 #define APPLE_BZB_TYPESWAP 3 931 #define APPLE_BZB_ROOTFS 0x8000 932 #define APPLE_BZB_USRFS 0x4000 933 934 /* ------------------------------------------ 935 * ews4800mips 936 * 937 */ 938 939 #define EWS4800MIPS_BBINFO_MAGIC "NetBSD/ews4800mips 20040611" 940 #define EWS4800MIPS_BOOT_BLOCK_OFFSET 0 941 #define EWS4800MIPS_BOOT_BLOCK_BLOCKSIZE 512 942 #define EWS4800MIPS_BOOT_BLOCK_MAX_SIZE (512 * 8) 943 944 /* ------------------------------------------ 945 * hp300 946 * 947 */ 948 949 /* volume header for "LIF" format volumes */ 950 951 struct hp300_lifvol { 952 int16_t vol_id; 953 char vol_label[6]; 954 int32_t vol_addr; 955 int16_t vol_oct; 956 int16_t vol_dummy; 957 int32_t vol_dirsize; 958 int16_t vol_version; 959 int16_t vol_zero; 960 int32_t vol_huh1; 961 int32_t vol_huh2; 962 int32_t vol_length; 963 }; 964 965 /* LIF directory entry format */ 966 967 struct hp300_lifdir { 968 char dir_name[10]; 969 int16_t dir_type; 970 int32_t dir_addr; 971 int32_t dir_length; 972 char dir_toc[6]; 973 int16_t dir_flag; 974 int32_t dir_exec; 975 }; 976 977 /* load header for boot rom */ 978 struct hp300_load { 979 int32_t address; 980 int32_t count; 981 }; 982 983 #define HP300_VOL_ID -32768 984 #define HP300_VOL_OCT 4096 985 #define HP300_DIR_TYPE -5822 986 #define HP300_DIR_FLAG 0x8001 /* dont ask me! */ 987 #define HP300_SECTSIZE 256 988 989 990 /* ------------------------------------------ 991 * hppa 992 * 993 */ 994 995 /* 996 * volume header for "LIF" format volumes 997 */ 998 struct hppa_lifvol { 999 uint16_t vol_id; 1000 uint8_t vol_label[6]; 1001 uint32_t vol_addr; 1002 uint16_t vol_oct; 1003 uint16_t vol_dummy; 1004 1005 uint32_t vol_dirsize; 1006 uint16_t vol_version; 1007 uint16_t vol_zero; 1008 uint32_t vol_number; 1009 uint32_t vol_lastvol; 1010 1011 uint32_t vol_length; 1012 uint8_t vol_toc[6]; 1013 uint8_t vol_dummy1[198]; 1014 1015 uint32_t ipl_addr; 1016 uint32_t ipl_size; 1017 uint32_t ipl_entry; 1018 1019 uint32_t vol_dummy2; 1020 }; 1021 1022 struct hppa_lifdir { 1023 uint8_t dir_name[10]; 1024 uint16_t dir_type; 1025 uint32_t dir_addr; 1026 uint32_t dir_length; 1027 uint8_t dir_toc[6]; 1028 uint16_t dir_flag; 1029 uint32_t dir_implement; 1030 }; 1031 1032 struct hppa_lifload { 1033 int address; 1034 int count; 1035 }; 1036 1037 #define HPPA_LIF_VOL_ID 0x8000 1038 #define HPPA_LIF_VOL_OCT 0x1000 1039 #define HPPA_LIF_DIR_SWAP 0x5243 1040 #define HPPA_LIF_DIR_FS 0xcd38 1041 #define HPPA_LIF_DIR_IOMAP 0xcd60 1042 #define HPPA_LIF_DIR_HPUX 0xcd80 1043 #define HPPA_LIF_DIR_ISL 0xce00 1044 #define HPPA_LIF_DIR_PAD 0xcffe 1045 #define HPPA_LIF_DIR_AUTO 0xcfff 1046 #define HPPA_LIF_DIR_EST 0xd001 1047 #define HPPA_LIF_DIR_TYPE 0xe942 1048 1049 #define HPPA_LIF_DIR_FLAG 0x8001 /* dont ask me! */ 1050 #define HPPA_LIF_SECTSIZE 256 1051 1052 #define HPPA_LIF_NUMDIR 8 1053 1054 #define HPPA_LIF_VOLSTART 0 1055 #define HPPA_LIF_VOLSIZE sizeof(struct hppa_lifvol) 1056 #define HPPA_LIF_DIRSTART 2048 1057 #define HPPA_LIF_DIRSIZE (HPPA_LIF_NUMDIR * sizeof(struct hppa_lifdir)) 1058 #define HPPA_LIF_FILESTART 4096 1059 1060 #define hppa_btolifs(b) (((b) + (HPPA_LIF_SECTSIZE - 1)) / HPPA_LIF_SECTSIZE) 1061 #define hppa_lifstob(s) ((s) * HPPA_LIF_SECTSIZE) 1062 #define hppa_lifstodb(s) ((s) * HPPA_LIF_SECTSIZE / DEV_BSIZE) 1063 1064 1065 /* ------------------------------------------ 1066 * x86 1067 * 1068 */ 1069 1070 /* 1071 * Parameters for NetBSD /boot written to start of pbr code by installboot 1072 */ 1073 1074 struct x86_boot_params { 1075 uint32_t bp_length; /* length of patchable data */ 1076 uint32_t bp_flags; 1077 uint32_t bp_timeout; /* boot timeout in seconds */ 1078 uint32_t bp_consdev; 1079 uint32_t bp_conspeed; 1080 uint8_t bp_password[16]; /* md5 hash of password */ 1081 char bp_keymap[64]; /* keyboard translation map */ 1082 uint32_t bp_consaddr; /* ioaddr for console */ 1083 }; 1084 1085 #endif /* !defined(__ASSEMBLER__) */ /* } */ 1086 1087 #define X86_BOOT_MAGIC(n) ('x' << 24 | 0x86b << 12 | 'm' << 4 | (n)) 1088 #define X86_BOOT_MAGIC_1 X86_BOOT_MAGIC(1) /* pbr.S */ 1089 #define X86_BOOT_MAGIC_2 X86_BOOT_MAGIC(2) /* bootxx.S */ 1090 #define X86_BOOT_MAGIC_PXE X86_BOOT_MAGIC(3) /* start_pxe.S */ 1091 #define X86_BOOT_MAGIC_FAT X86_BOOT_MAGIC(4) /* fatboot.S */ 1092 #define X86_BOOT_MAGIC_EFI X86_BOOT_MAGIC(5) /* efiboot/start.S */ 1093 #define X86_MBR_GPT_MAGIC 0xedb88320 /* gpt.S */ 1094 1095 /* values for bp_flags */ 1096 #define X86_BP_FLAGS_RESET_VIDEO 1 1097 #define X86_BP_FLAGS_PASSWORD 2 1098 #define X86_BP_FLAGS_NOMODULES 4 1099 #define X86_BP_FLAGS_NOBOOTCONF 8 1100 #define X86_BP_FLAGS_LBA64VALID 0x10 1101 1102 /* values for bp_consdev */ 1103 #define X86_BP_CONSDEV_PC 0 1104 #define X86_BP_CONSDEV_COM0 1 1105 #define X86_BP_CONSDEV_COM1 2 1106 #define X86_BP_CONSDEV_COM2 3 1107 #define X86_BP_CONSDEV_COM3 4 1108 #define X86_BP_CONSDEV_COM0KBD 5 1109 #define X86_BP_CONSDEV_COM1KBD 6 1110 #define X86_BP_CONSDEV_COM2KBD 7 1111 #define X86_BP_CONSDEV_COM3KBD 8 1112 1113 /* ------------------------------------------ 1114 * landisk 1115 */ 1116 1117 #if !defined(__ASSEMBLER__) /* { */ 1118 1119 /* 1120 * Parameters for NetBSD /boot written to start of pbr code by installboot 1121 */ 1122 struct landisk_boot_params { 1123 uint32_t bp_length; /* length of patchable data */ 1124 uint32_t bp_flags; 1125 uint32_t bp_timeout; /* boot timeout in seconds */ 1126 uint32_t bp_consdev; 1127 uint32_t bp_conspeed; 1128 }; 1129 1130 #endif /* !defined(__ASSEMBLER__) */ /* } */ 1131 1132 #define LANDISK_BOOT_MAGIC_1 0x20031125 1133 #define LANDISK_BOOT_MAGIC_2 0x20041110 1134 1135 #if !defined(__ASSEMBLER__) /* { */ 1136 1137 /* ------------------------------------------ 1138 * macppc 1139 */ 1140 1141 #define MACPPC_BOOT_BLOCK_OFFSET 2048 1142 #define MACPPC_BOOT_BLOCK_BLOCKSIZE 512 1143 #define MACPPC_BOOT_BLOCK_MAX_SIZE 2048 /* XXX: could be up to 6144 */ 1144 /* Magic string -- 32 bytes long (including the NUL) */ 1145 #define MACPPC_BBINFO_MAGIC "NetBSD/macppc bootxx 20020515" 1146 1147 /* ------------------------------------------ 1148 * news68k, newsmips 1149 */ 1150 1151 #define NEWS_BOOT_BLOCK_LABELOFFSET 64 /* XXX from <machine/disklabel.h> */ 1152 #define NEWS_BOOT_BLOCK_OFFSET 0 1153 #define NEWS_BOOT_BLOCK_BLOCKSIZE 512 1154 #define NEWS_BOOT_BLOCK_MAX_SIZE (512 * 16) 1155 1156 /* Magic string -- 32 bytes long (including the NUL) */ 1157 #define NEWS68K_BBINFO_MAGIC "NetBSD/news68k bootxx 20020518" 1158 #define NEWSMIPS_BBINFO_MAGIC "NetBSD/newsmips bootxx 20020518" 1159 1160 /* ------------------------------------------ 1161 * next68k 1162 */ 1163 1164 #define NEXT68K_LABEL_MAXPARTITIONS 8 /* number of partitions in next68k_disklabel */ 1165 #define NEXT68K_LABEL_CPULBLLEN 24 1166 #define NEXT68K_LABEL_MAXDNMLEN 24 1167 #define NEXT68K_LABEL_MAXTYPLEN 24 1168 #define NEXT68K_LABEL_MAXBFLEN 24 1169 #define NEXT68K_LABEL_MAXHNLEN 32 1170 #define NEXT68K_LABEL_MAXMPTLEN 16 1171 #define NEXT68K_LABEL_MAXFSTLEN 8 1172 #define NEXT68K_LABEL_NBAD 1670 /* sized to make label ~= 8KB */ 1173 1174 struct next68k_partition { 1175 int32_t cp_offset; /* starting sector */ 1176 int32_t cp_size; /* number of sectors in partition */ 1177 int16_t cp_bsize; /* block size in bytes */ 1178 int16_t cp_fsize; /* filesystem basic fragment size */ 1179 char cp_opt; /* optimization type: 's'pace/'t'ime */ 1180 char cp_pad1; 1181 int16_t cp_cpg; /* filesystem cylinders per group */ 1182 int16_t cp_density; /* bytes per inode density */ 1183 int8_t cp_minfree; /* minfree (%) */ 1184 int8_t cp_newfs; /* run newfs during init */ 1185 char cp_mountpt[NEXT68K_LABEL_MAXMPTLEN]; 1186 /* default/standard mount point */ 1187 int8_t cp_automnt; /* auto-mount when inserted */ 1188 char cp_type[NEXT68K_LABEL_MAXFSTLEN]; /* file system type name */ 1189 char cp_pad2; 1190 } __packed; 1191 1192 /* The disklabel the way it is on the disk */ 1193 struct next68k_disklabel { 1194 int32_t cd_version; /* label version */ 1195 int32_t cd_label_blkno; /* block # of this label */ 1196 int32_t cd_size; /* size of media area (sectors) */ 1197 char cd_label[NEXT68K_LABEL_CPULBLLEN]; /* disk name (label) */ 1198 uint32_t cd_flags; /* flags */ 1199 uint32_t cd_tag; /* volume tag */ 1200 char cd_name[NEXT68K_LABEL_MAXDNMLEN]; /* drive (hardware) name */ 1201 char cd_type[NEXT68K_LABEL_MAXTYPLEN]; /* drive type */ 1202 int32_t cd_secsize; /* # of bytes per sector */ 1203 int32_t cd_ntracks; /* # of tracks per cylinder */ 1204 int32_t cd_nsectors; /* # of data sectors per track */ 1205 int32_t cd_ncylinders; /* # of data cylinders per unit */ 1206 int32_t cd_rpm; /* rotational speed */ 1207 int16_t cd_front; /* # of sectors in "front porch" */ 1208 int16_t cd_back; /* # of sectors in "back porch" */ 1209 int16_t cd_ngroups; /* # of alt groups */ 1210 int16_t cd_ag_size; /* alt group size (sectors) */ 1211 int16_t cd_ag_alts; /* alternate sectors / alt group */ 1212 int16_t cd_ag_off; /* sector offset to first alternate */ 1213 int32_t cd_boot_blkno[2]; /* boot program locations */ 1214 char cd_kernel[NEXT68K_LABEL_MAXBFLEN]; /* default kernel name */ 1215 char cd_hostname[NEXT68K_LABEL_MAXHNLEN]; 1216 /* host name (usu. where disk was labeled) */ 1217 char cd_rootpartition; /* root partition letter e.g. 'a' */ 1218 char cd_rwpartition; /* r/w partition letter e.g. 'b' */ 1219 struct next68k_partition cd_partitions[NEXT68K_LABEL_MAXPARTITIONS]; 1220 1221 union { 1222 uint16_t CD_v3_checksum; /* label version 3 checksum */ 1223 int32_t CD_bad[NEXT68K_LABEL_NBAD]; 1224 /* block number that is bad */ 1225 } cd_un; 1226 uint16_t cd_checksum; /* label version 1 or 2 checksum */ 1227 } __packed; 1228 1229 #define NEXT68K_LABEL_cd_checksum cd_checksum 1230 #define NEXT68K_LABEL_cd_v3_checksum cd_un.CD_v3_checksum 1231 #define NEXT68K_LABEL_cd_bad cd_un.CD_bad 1232 1233 #define NEXT68K_LABEL_SECTOR 0 /* sector containing label */ 1234 #define NEXT68K_LABEL_OFFSET 0 /* offset of label in sector */ 1235 #define NEXT68K_LABEL_SIZE 8192 /* size of label */ 1236 #define NEXT68K_LABEL_CD_V1 0x4e655854 /* version #1: "NeXT" */ 1237 #define NEXT68K_LABEL_CD_V2 0x646c5632 /* version #2: "dlV2" */ 1238 #define NEXT68K_LABEL_CD_V3 0x646c5633 /* version #3: "dlV3" */ 1239 #define NEXT68K_LABEL_DEFAULTFRONTPORCH (160 * 2) 1240 #define NEXT68K_LABEL_DEFAULTBOOT0_1 (32 * 2) 1241 #define NEXT68K_LABEL_DEFAULTBOOT0_2 (96 * 2) 1242 1243 /* ------------------------------------------ 1244 * pmax -- 1245 * PMAX (DECstation / MIPS) boot block information 1246 */ 1247 1248 /* 1249 * If mode is 0, there is just one sequence of blocks and one Dec_BootMap 1250 * is used. If mode is 1, there are multiple sequences of blocks 1251 * and multiple Dec_BootMaps are used, the last with numBlocks = 0. 1252 */ 1253 struct pmax_boot_map { 1254 int32_t num_blocks; /* Number of blocks to read. */ 1255 int32_t start_block; /* Starting block on disk. */ 1256 }; 1257 1258 /* 1259 * This is the structure of a disk or tape boot block. The boot_map 1260 * can either be a single boot count and start block (contiguous mode) 1261 * or a list of up to 61 (to fill a 512 byte sector) block count and 1262 * start block pairs. Under NetBSD, contiguous mode is always used. 1263 */ 1264 struct pmax_boot_block { 1265 uint8_t pad[8]; 1266 int32_t magic; /* PMAX_BOOT_MAGIC */ 1267 int32_t mode; /* Mode for boot info. */ 1268 uint32_t load_addr; /* Address to start loading. */ 1269 uint32_t exec_addr; /* Address to start execing. */ 1270 struct pmax_boot_map map[61]; /* boot program section(s). */ 1271 } __packed; 1272 1273 #define PMAX_BOOT_MAGIC 0x0002757a 1274 #define PMAX_BOOTMODE_CONTIGUOUS 0 1275 #define PMAX_BOOTMODE_SCATTERED 1 1276 1277 #define PMAX_BOOT_BLOCK_OFFSET 0 1278 #define PMAX_BOOT_BLOCK_BLOCKSIZE 512 1279 1280 1281 /* ------------------------------------------ 1282 * sgimips 1283 */ 1284 1285 /* 1286 * Some IRIX man pages refer to the size being a multiple of whole cylinders. 1287 * Later ones only refer to the size being "typically" 2MB. IRIX fx(1) 1288 * uses a default drive geometry if one can't be determined, suggesting 1289 * that "whole cylinder" multiples are not required. 1290 */ 1291 1292 #define SGI_BOOT_BLOCK_SIZE_VOLHDR 3135 1293 #define SGI_BOOT_BLOCK_MAGIC 0xbe5a941 1294 #define SGI_BOOT_BLOCK_MAXPARTITIONS 16 1295 #define SGI_BOOT_BLOCK_MAXVOLDIRS 15 1296 #define SGI_BOOT_BLOCK_BLOCKSIZE 512 1297 1298 /* 1299 * SGI partition conventions: 1300 * 1301 * Partition 0 - root 1302 * Partition 1 - swap 1303 * Partition 6 - usr 1304 * Partition 7 - volume body 1305 * Partition 8 - volume header 1306 * Partition 10 - whole disk 1307 */ 1308 1309 struct sgi_boot_devparms { 1310 uint8_t dp_skew; 1311 uint8_t dp_gap1; 1312 uint8_t dp_gap2; 1313 uint8_t dp_spares_cyl; 1314 uint16_t dp_cyls; 1315 uint16_t dp_shd0; 1316 uint16_t dp_trks0; 1317 uint8_t dp_ctq_depth; 1318 uint8_t dp_cylshi; 1319 uint16_t dp_unused; 1320 uint16_t dp_secs; 1321 uint16_t dp_secbytes; 1322 uint16_t dp_interleave; 1323 uint32_t dp_flags; 1324 uint32_t dp_datarate; 1325 uint32_t dp_nretries; 1326 uint32_t dp_mspw; 1327 uint16_t dp_xgap1; 1328 uint16_t dp_xsync; 1329 uint16_t dp_xrdly; 1330 uint16_t dp_xgap2; 1331 uint16_t dp_xrgate; 1332 uint16_t dp_xwcont; 1333 } __packed; 1334 1335 struct sgi_boot_block { 1336 uint32_t magic; 1337 int16_t root; 1338 int16_t swap; 1339 char bootfile[16]; 1340 struct sgi_boot_devparms dp; 1341 struct { 1342 char name[8]; 1343 int32_t block; 1344 int32_t bytes; 1345 } voldir[SGI_BOOT_BLOCK_MAXVOLDIRS]; 1346 struct { 1347 int32_t blocks; 1348 int32_t first; 1349 int32_t type; 1350 } partitions[SGI_BOOT_BLOCK_MAXPARTITIONS]; 1351 int32_t checksum; 1352 int32_t _pad; 1353 } __packed; 1354 1355 #define SGI_PTYPE_VOLHDR 0 1356 #define SGI_PTYPE_TRKREPL 1 1357 #define SGI_PTYPE_SECREPL 2 1358 #define SGI_PTYPE_RAW 3 1359 #define SGI_PTYPE_BSD 4 1360 #define SGI_PTYPE_SYSV 5 1361 #define SGI_PTYPE_VOLUME 6 1362 #define SGI_PTYPE_EFS 7 1363 #define SGI_PTYPE_LVOL 8 1364 #define SGI_PTYPE_RLVOL 9 1365 #define SGI_PTYPE_XFS 10 1366 #define SGI_PTYPE_XFSLOG 11 1367 #define SGI_PTYPE_XLV 12 1368 #define SGI_PTYPE_XVM 13 1369 1370 /* ------------------------------------------ 1371 * sparc 1372 */ 1373 1374 #define SPARC_BOOT_BLOCK_OFFSET 512 1375 #define SPARC_BOOT_BLOCK_BLOCKSIZE 512 1376 #define SPARC_BOOT_BLOCK_MAX_SIZE (512 * 15) 1377 /* Magic string -- 32 bytes long (including the NUL) */ 1378 #define SPARC_BBINFO_MAGIC "NetBSD/sparc bootxx 20020515" 1379 1380 1381 /* ------------------------------------------ 1382 * sparc64 1383 */ 1384 1385 #define SPARC64_BOOT_BLOCK_OFFSET 512 1386 #define SPARC64_BOOT_BLOCK_BLOCKSIZE 512 1387 #define SPARC64_BOOT_BLOCK_MAX_SIZE (512 * 15) 1388 1389 1390 /* ------------------------------------------ 1391 * sun68k (sun2, sun3) 1392 */ 1393 1394 #define SUN68K_BOOT_BLOCK_OFFSET 512 1395 #define SUN68K_BOOT_BLOCK_BLOCKSIZE 512 1396 #define SUN68K_BOOT_BLOCK_MAX_SIZE (512 * 15) 1397 /* Magic string -- 32 bytes long (including the NUL) */ 1398 #define SUN68K_BBINFO_MAGIC "NetBSD/sun68k bootxx 20020515" 1399 1400 1401 /* ------------------------------------------ 1402 * vax -- 1403 * VAX boot block information 1404 */ 1405 1406 struct vax_boot_block { 1407 /* Note that these don't overlap any of the pmax boot block */ 1408 uint8_t pad0[2]; 1409 uint8_t bb_id_offset; /* offset in words to id (magic1)*/ 1410 uint8_t bb_mbone; /* must be one */ 1411 uint16_t bb_lbn_hi; /* lbn (hi word) of bootstrap */ 1412 uint16_t bb_lbn_low; /* lbn (low word) of bootstrap */ 1413 uint8_t pad1[406]; 1414 /* disklabel offset is 64 from base, or 56 from start of pad1 */ 1415 1416 /* The rest of these fields are identification area and describe 1417 * the secondary block for uVAX VMB. 1418 */ 1419 uint8_t bb_magic1; /* magic number */ 1420 uint8_t bb_mbz1; /* must be zero */ 1421 uint8_t bb_pad1; /* any value */ 1422 uint8_t bb_sum1; /* ~(magic1 + mbz1 + pad1) */ 1423 1424 uint8_t bb_mbz2; /* must be zero */ 1425 uint8_t bb_volinfo; /* volinfo */ 1426 uint8_t bb_pad2a; /* any value */ 1427 uint8_t bb_pad2b; /* any value */ 1428 1429 uint32_t bb_size; /* size in blocks of bootstrap */ 1430 uint32_t bb_load; /* load offset to bootstrap */ 1431 uint32_t bb_entry; /* byte offset in bootstrap */ 1432 uint32_t bb_sum3; /* sum of previous 3 fields */ 1433 1434 /* The rest is unused. 1435 */ 1436 uint8_t pad2[74]; 1437 } __packed; 1438 1439 #define VAX_BOOT_MAGIC1 0x18 /* size of BB info? */ 1440 #define VAX_BOOT_VOLINFO_NONE 0x00 /* no special info */ 1441 #define VAX_BOOT_VOLINFO_SS 0x01 /* single sided */ 1442 #define VAX_BOOT_VOLINFO_DS 0x81 /* double sided */ 1443 1444 #define VAX_BOOT_SIZE 15 /* 15 blocks */ 1445 #define VAX_BOOT_LOAD 0 /* no load offset */ 1446 #define VAX_BOOT_ENTRY 0x200 /* one block in */ 1447 1448 #define VAX_BOOT_BLOCK_OFFSET 0 1449 #define VAX_BOOT_BLOCK_BLOCKSIZE 512 1450 1451 1452 /* ------------------------------------------ 1453 * x68k 1454 */ 1455 1456 #define X68K_BOOT_BLOCK_OFFSET 0 1457 #define X68K_BOOT_BLOCK_BLOCKSIZE 512 1458 #define X68K_BOOT_BLOCK_MAX_SIZE (512 * 16) 1459 /* Magic string -- 32 bytes long (including the NUL) */ 1460 #define X68K_BBINFO_MAGIC "NetBSD/x68k bootxx 20020601" 1461 1462 #endif /* !defined(__ASSEMBLER__) */ /* } */ 1463 1464 #endif /* !_SYS_BOOTBLOCK_H */ 1465