The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/sys/bootblock.h

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    1 /*      $NetBSD: bootblock.h,v 1.40 2006/09/01 21:41:46 uwe 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  * 3. All advertising materials mentioning features or use of this software
   16  *    must display the following acknowledgement:
   17  *      This product includes software developed by the NetBSD
   18  *      Foundation, Inc. and its contributors.
   19  * 4. Neither the name of The NetBSD Foundation nor the names of its
   20  *    contributors may be used to endorse or promote products derived
   21  *    from this software without specific prior written permission.
   22  *
   23  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   24  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   25  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   26  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   27  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   28  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   30  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   31  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   32  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   33  * POSSIBILITY OF SUCH DAMAGE.
   34  */
   35 /*-
   36  * Copyright (C) 1993   Allen K. Briggs, Chris P. Caputo,
   37  *                      Michael L. Finch, Bradley A. Grantham, and
   38  *                      Lawrence A. Kesteloot
   39  * All rights reserved.
   40  *
   41  * Redistribution and use in source and binary forms, with or without
   42  * modification, are permitted provided that the following conditions
   43  * are met:
   44  * 1. Redistributions of source code must retain the above copyright
   45  *    notice, this list of conditions and the following disclaimer.
   46  * 2. Redistributions in binary form must reproduce the above copyright
   47  *    notice, this list of conditions and the following disclaimer in the
   48  *    documentation and/or other materials provided with the distribution.
   49  * 3. All advertising materials mentioning features or use of this software
   50  *    must display the following acknowledgement:
   51  *      This product includes software developed by the Alice Group.
   52  * 4. The names of the Alice Group or any of its members may not be used
   53  *    to endorse or promote products derived from this software without
   54  *    specific prior written permission.
   55  *
   56  * THIS SOFTWARE IS PROVIDED BY THE ALICE GROUP ``AS IS'' AND ANY EXPRESS OR
   57  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   58  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   59  * IN NO EVENT SHALL THE ALICE GROUP BE LIABLE FOR ANY DIRECT, INDIRECT,
   60  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   61  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   62  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   63  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   64  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   65  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   66  *
   67  */
   68 /*
   69  * Copyright (c) 1994, 1999 Christopher G. Demetriou
   70  * All rights reserved.
   71  *
   72  * Redistribution and use in source and binary forms, with or without
   73  * modification, are permitted provided that the following conditions
   74  * are met:
   75  * 1. Redistributions of source code must retain the above copyright
   76  *    notice, this list of conditions and the following disclaimer.
   77  * 2. Redistributions in binary form must reproduce the above copyright
   78  *    notice, this list of conditions and the following disclaimer in the
   79  *    documentation and/or other materials provided with the distribution.
   80  * 3. All advertising materials mentioning features or use of this software
   81  *    must display the following acknowledgement:
   82  *      This product includes software developed by Christopher G. Demetriou
   83  *      for the NetBSD Project.
   84  * 4. The name of the author may not be used to endorse or promote products
   85  *    derived from this software without specific prior written permission
   86  *
   87  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   88  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   89  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   90  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   91  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   92  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   93  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   94  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   95  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   96  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   97  */
   98 /*
   99  * Copyright (c) 1994 Rolf Grossmann
  100  * All rights reserved.
  101  *
  102  * Redistribution and use in source and binary forms, with or without
  103  * modification, are permitted provided that the following conditions
  104  * are met:
  105  * 1. Redistributions of source code must retain the above copyright
  106  *    notice, this list of conditions and the following disclaimer.
  107  * 2. Redistributions in binary form must reproduce the above copyright
  108  *    notice, this list of conditions and the following disclaimer in the
  109  *    documentation and/or other materials provided with the distribution.
  110  * 3. All advertising materials mentioning features or use of this software
  111  *    must display the following acknowledgement:
  112  *      This product includes software developed by Rolf Grossmann.
  113  * 4. The name of the author may not be used to endorse or promote products
  114  *    derived from this software without specific prior written permission
  115  *
  116  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  117  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  118  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  119  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  120  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  121  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  122  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  123  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  124  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  125  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  126  */
  127 
  128 #ifndef _SYS_BOOTBLOCK_H
  129 #define _SYS_BOOTBLOCK_H
  130 
  131 #if !defined(__ASSEMBLER__)
  132 #include <sys/cdefs.h>
  133 #if defined(_KERNEL) || defined(_STANDALONE)
  134 #include <sys/stdint.h>
  135 #else
  136 #include <stdint.h>
  137 #endif
  138 #endif  /* !defined(__ASSEMBLER__) */
  139 
  140 /* ------------------------------------------
  141  * MBR (Master Boot Record) --
  142  *      definitions for systems that use MBRs
  143  */
  144 
  145 /*
  146  * Layout of boot records:
  147  *
  148  *      Byte range      Use     Description
  149  *      ----------      ---     -----------
  150  *
  151  *      0 - 2           FMP     JMP xxx, NOP
  152  *      3 - 10          FP      OEM Name
  153  *
  154  *      11 - 61         FMP     FAT12/16 BPB
  155  *                              Whilst not strictly necessary for MBR,
  156  *                              GRUB reserves this area
  157  *
  158  *      11 - 89         P       FAT32 BPB
  159  *                              (are we ever going to boot off this?)
  160  *
  161  *
  162  *      62 - 217        FMP     Boot code
  163  *
  164  *      90 - 217        P       FAT32 boot code
  165  *
  166  *      218 - 223       M       Win95b/98/me "drive time"
  167  *              http://www.geocities.com/thestarman3/asm/mbr/95BMEMBR.htm#MYST
  168  *                              only changed if all 6 bytes are 0
  169  *
  170  *      224 - 436       FMP     boot code (continued)
  171  *
  172  *      437 - 439       M       WinNT/2K/XP MBR "boot language"
  173  *              http://www.geocities.com/thestarman3/asm/mbr/Win2kmbr.htm
  174  *                              not needed by us
  175  *
  176  *      400 - 439       MP      NetBSD: mbr_bootsel
  177  *
  178  *      440 - 443       M       WinNT/2K/XP Drive Serial Number (NT DSN)
  179  *              http://www.geocities.com/thestarman3/asm/mbr/Win2kmbr.htm
  180  *
  181  *      444 - 445       FMP     bootcode or unused
  182  *                              NetBSD: mbr_bootsel_magic
  183  *
  184  *      446 - 509       M       partition table
  185  *
  186  *      510 - 511       FMP     magic number (0xAA55)
  187  *
  188  *      Use:
  189  *      ----
  190  *      F       Floppy boot sector
  191  *      M       Master Boot Record
  192  *      P       Partition Boot record
  193  *
  194  */
  195 
  196 /*
  197  * MBR (Master Boot Record)
  198  */
  199 #define MBR_BBSECTOR            0       /* MBR relative sector # */
  200 #define MBR_BPB_OFFSET          11      /* offsetof(mbr_sector, mbr_bpb) */
  201 #define MBR_BOOTCODE_OFFSET     90      /* offsetof(mbr_sector, mbr_bootcode) */
  202 #define MBR_BS_OFFSET           400     /* offsetof(mbr_sector, mbr_bootsel) */
  203 #define MBR_BS_OLD_OFFSET       404     /* where mbr_bootsel used to be */
  204 #define MBR_DSN_OFFSET          440     /* offsetof(mbr_sector, mbr_dsn) */
  205 #define MBR_BS_MAGIC_OFFSET     444     /* offsetof(mbr_sector, mbr_bootsel_magic) */
  206 #define MBR_PART_OFFSET         446     /* offsetof(mbr_sector, mbr_part[0]) */
  207 #define MBR_MAGIC_OFFSET        510     /* offsetof(mbr_sector, mbr_magic) */
  208 #define MBR_MAGIC               0xaa55  /* MBR magic number */
  209 #define MBR_BS_MAGIC            0xb5e1  /* mbr_bootsel magic number */
  210 #define MBR_PART_COUNT          4       /* Number of partitions in MBR */
  211 #define MBR_BS_PARTNAMESIZE     8       /* Size of name mbr_bootsel nametab */
  212                                         /* (excluding trailing NUL) */
  213 
  214                 /* values for mbr_partition.mbrp_flag */
  215 #define MBR_PFLAG_ACTIVE        0x80    /* The active partition */
  216 
  217                 /* values for mbr_partition.mbrp_type */
  218 #define MBR_PTYPE_UNUSED        0x00    /* Unused */
  219 #define MBR_PTYPE_FAT12         0x01    /* 12-bit FAT */
  220 #define MBR_PTYPE_XENIX_ROOT    0x02    /* XENIX / */
  221 #define MBR_PTYPE_XENIX_USR     0x03    /* XENIX /usr */
  222 #define MBR_PTYPE_FAT16S        0x04    /* 16-bit FAT, less than 32M */
  223 #define MBR_PTYPE_EXT           0x05    /* extended partition */
  224 #define MBR_PTYPE_FAT16B        0x06    /* 16-bit FAT, more than 32M */
  225 #define MBR_PTYPE_NTFS          0x07    /* OS/2 HPFS, NTFS, QNX2, Adv. UNIX */
  226 #define MBR_PTYPE_DELL          0x08    /* AIX or os, or etc. */
  227 #define MBR_PTYPE_AIX_BOOT      0x09    /* AIX boot partition or Coherent */
  228 #define MBR_PTYPE_OS2_BOOT      0x0a    /* O/2 boot manager or Coherent swap */
  229 #define MBR_PTYPE_FAT32         0x0b    /* 32-bit FAT */
  230 #define MBR_PTYPE_FAT32L        0x0c    /* 32-bit FAT, LBA-mapped */
  231 #define MBR_PTYPE_7XXX          0x0d    /* 7XXX, LBA-mapped */
  232 #define MBR_PTYPE_FAT16L        0x0e    /* 16-bit FAT, LBA-mapped */
  233 #define MBR_PTYPE_EXT_LBA       0x0f    /* extended partition, LBA-mapped */
  234 #define MBR_PTYPE_OPUS          0x10    /* OPUS */
  235 #define MBR_PTYPE_OS2_DOS12     0x11    /* OS/2 DOS 12-bit FAT */
  236 #define MBR_PTYPE_COMPAQ_DIAG   0x12    /* Compaq diagnostics */
  237 #define MBR_PTYPE_OS2_DOS16S    0x14    /* OS/2 DOS 16-bit FAT <32M */
  238 #define MBR_PTYPE_OS2_DOS16B    0x16    /* OS/2 DOS 16-bit FAT >=32M */
  239 #define MBR_PTYPE_OS2_IFS       0x17    /* OS/2 hidden IFS */
  240 #define MBR_PTYPE_AST_SWAP      0x18    /* AST Windows swapfile */
  241 #define MBR_PTYPE_WILLOWTECH    0x19    /* Willowtech Photon coS */
  242 #define MBR_PTYPE_HID_FAT32     0x1b    /* hidden win95 fat 32 */
  243 #define MBR_PTYPE_HID_FAT32_LBA 0x1c    /* hidden win95 fat 32 lba */
  244 #define MBR_PTYPE_HID_FAT16_LBA 0x1d    /* hidden win95 fat 16 lba */
  245 #define MBR_PTYPE_WILLOWSOFT    0x20    /* Willowsoft OFS1 */
  246 #define MBR_PTYPE_RESERVED_x21  0x21    /* reserved */
  247 #define MBR_PTYPE_RESERVED_x23  0x23    /* reserved */
  248 #define MBR_PTYPE_RESERVED_x24  0x24    /* NEC DOS */
  249 #define MBR_PTYPE_RESERVED_x26  0x26    /* reserved */
  250 #define MBR_PTYPE_RESERVED_x31  0x31    /* reserved */
  251 #define MBR_PTYPE_NOS           0x32    /* Alien Internet Services NOS */
  252 #define MBR_PTYPE_RESERVED_x33  0x33    /* reserved */
  253 #define MBR_PTYPE_RESERVED_x34  0x34    /* reserved */
  254 #define MBR_PTYPE_OS2_JFS       0x35    /* JFS on OS2 */
  255 #define MBR_PTYPE_RESERVED_x36  0x36    /* reserved */
  256 #define MBR_PTYPE_THEOS         0x38    /* Theos */
  257 #define MBR_PTYPE_PLAN9         0x39    /* Plan 9, or Theos spanned */
  258 #define MBR_PTYPE_THEOS_4GB     0x3a    /* Theos ver 4 4gb partition */
  259 #define MBR_PTYPE_THEOS_EXT     0x3b    /* Theos ve 4 extended partition */
  260 #define MBR_PTYPE_PMRECOVERY    0x3c    /* PartitionMagic recovery */
  261 #define MBR_PTYPE_HID_NETWARE   0x3d    /* Hidden Netware */
  262 #define MBR_PTYPE_VENIX         0x40    /* VENIX 286 or LynxOS */
  263 #define MBR_PTYPE_PREP          0x41    /* PReP */
  264 #define MBR_PTYPE_DRDOS_LSWAP   0x42    /* linux swap sharing DRDOS disk */
  265 #define MBR_PTYPE_DRDOS_LINUX   0x43    /* linux sharing DRDOS disk */
  266 #define MBR_PTYPE_GOBACK        0x44    /* GoBack change utility */
  267 #define MBR_PTYPE_BOOT_US       0x45    /* Boot US Boot manager */
  268 #define MBR_PTYPE_EUMEL_x46     0x46    /* EUMEL/Elan or Ergos 3 */
  269 #define MBR_PTYPE_EUMEL_x47     0x47    /* EUMEL/Elan or Ergos 3 */
  270 #define MBR_PTYPE_EUMEL_x48     0x48    /* EUMEL/Elan or Ergos 3 */
  271 #define MBR_PTYPE_ALFS_THIN     0x4a    /* ALFX/THIN filesystem for DOS */
  272 #define MBR_PTYPE_OBERON        0x4c    /* Oberon partition */
  273 #define MBR_PTYPE_QNX4X         0x4d    /* QNX4.x */
  274 #define MBR_PTYPE_QNX4X_2       0x4e    /* QNX4.x 2nd part */
  275 #define MBR_PTYPE_QNX4X_3       0x4f    /* QNX4.x 3rd part */
  276 #define MBR_PTYPE_DM            0x50    /* DM (disk manager) */
  277 #define MBR_PTYPE_DM6_AUX1      0x51    /* DM6 Aux1 (or Novell) */
  278 #define MBR_PTYPE_CPM           0x52    /* CP/M or Microport SysV/AT */
  279 #define MBR_PTYPE_DM6_AUX3      0x53    /* DM6 Aux3 */
  280 #define MBR_PTYPE_DM6_DDO       0x54    /* DM6 DDO */
  281 #define MBR_PTYPE_EZDRIVE       0x55    /* EZ-Drive (disk manager) */
  282 #define MBR_PTYPE_GOLDEN_BOW    0x56    /* Golden Bow (disk manager) */
  283 #define MBR_PTYPE_DRIVE_PRO     0x57    /* Drive PRO */
  284 #define MBR_PTYPE_PRIAM_EDISK   0x5c    /* Priam Edisk (disk manager) */
  285 #define MBR_PTYPE_SPEEDSTOR     0x61    /* SpeedStor */
  286 #define MBR_PTYPE_HURD          0x63    /* GNU HURD or Mach or Sys V/386 */
  287 #define MBR_PTYPE_NOVELL_2XX    0x64    /* Novell Netware 2.xx or Speedstore */
  288 #define MBR_PTYPE_NOVELL_3XX    0x65    /* Novell Netware 3.xx */
  289 #define MBR_PTYPE_NOVELL_386    0x66    /* Novell 386 Netware */
  290 #define MBR_PTYPE_NOVELL_x67    0x67    /* Novell */
  291 #define MBR_PTYPE_NOVELL_x68    0x68    /* Novell */
  292 #define MBR_PTYPE_NOVELL_x69    0x69    /* Novell */
  293 #define MBR_PTYPE_DISKSECURE    0x70    /* DiskSecure Multi-Boot */
  294 #define MBR_PTYPE_RESERVED_x71  0x71    /* reserved */
  295 #define MBR_PTYPE_RESERVED_x73  0x73    /* reserved */
  296 #define MBR_PTYPE_RESERVED_x74  0x74    /* reserved */
  297 #define MBR_PTYPE_PCIX          0x75    /* PC/IX */
  298 #define MBR_PTYPE_RESERVED_x76  0x76    /* reserved */
  299 #define MBR_PTYPE_M2FS_M2CS     0x77    /* M2FS/M2CS partition */
  300 #define MBR_PTYPE_XOSL_FS       0x78    /* XOSL boot loader filesystem */
  301 #define MBR_PTYPE_MINIX_14A     0x80    /* MINIX until 1.4a */
  302 #define MBR_PTYPE_MINIX_14B     0x81    /* MINIX since 1.4b */
  303 #define MBR_PTYPE_LNXSWAP       0x82    /* Linux swap or Solaris */
  304 #define MBR_PTYPE_LNXEXT2       0x83    /* Linux native */
  305 #define MBR_PTYPE_OS2_C         0x84    /* OS/2 hidden C: drive */
  306 #define MBR_PTYPE_EXT_LNX       0x85    /* Linux extended partition */
  307 #define MBR_PTYPE_NTFATVOL      0x86    /* NT FAT volume set */
  308 #define MBR_PTYPE_NTFSVOL       0x87    /* NTFS volume set or HPFS mirrored */
  309 #define MBR_PTYPE_LNX_KERNEL    0x8a    /* Linux Kernel AiR-BOOT partition */
  310 #define MBR_PTYPE_FT_FAT32      0x8b    /* Legacy Fault tolerant FAT32 */
  311 #define MBR_PTYPE_FT_FAT32_EXT  0x8c    /* Legacy Fault tolerant FAT32 ext */
  312 #define MBR_PTYPE_HID_FR_FD_12  0x8d    /* Hidden free FDISK FAT12 */
  313 #define MBR_PTYPE_LNX_LVM       0x8e    /* Linux Logical Volume Manager */
  314 #define MBR_PTYPE_HID_FR_FD_16  0x90    /* Hidden free FDISK FAT16 */
  315 #define MBR_PTYPE_HID_FR_FD_EXT 0x91    /* Hidden free FDISK DOS EXT */
  316 #define MBR_PTYPE_HID_FR_FD_16B 0x92    /* Hidden free FDISK FAT16 Big */
  317 #define MBR_PTYPE_AMOEBA_FS     0x93    /* Amoeba filesystem */
  318 #define MBR_PTYPE_AMOEBA_BAD    0x94    /* Amoeba bad block table */
  319 #define MBR_PTYPE_MIT_EXOPC     0x95    /* MIT EXOPC native partitions */
  320 #define MBR_PTYPE_HID_FR_FD_32  0x97    /* Hidden free FDISK FAT32 */
  321 #define MBR_PTYPE_DATALIGHT     0x98    /* Datalight ROM-DOS Super-Boot */
  322 #define MBR_PTYPE_MYLEX         0x99    /* Mylex EISA SCSI */
  323 #define MBR_PTYPE_HID_FR_FD_16L 0x9a    /* Hidden free FDISK FAT16 LBA */
  324 #define MBR_PTYPE_HID_FR_FD_EXL 0x9b    /* Hidden free FDISK EXT LBA */
  325 #define MBR_PTYPE_BSDI          0x9f    /* BSDI? */
  326 #define MBR_PTYPE_IBM_HIB       0xa0    /* IBM Thinkpad hibernation */
  327 #define MBR_PTYPE_HP_VOL_xA1    0xa1    /* HP Volume expansion (SpeedStor) */
  328 #define MBR_PTYPE_HP_VOL_xA3    0xa3    /* HP Volume expansion (SpeedStor) */
  329 #define MBR_PTYPE_HP_VOL_xA4    0xa4    /* HP Volume expansion (SpeedStor) */
  330 #define MBR_PTYPE_386BSD        0xa5    /* 386BSD partition type */
  331 #define MBR_PTYPE_OPENBSD       0xa6    /* OpenBSD partition type */
  332 #define MBR_PTYPE_NEXTSTEP_486  0xa7    /* NeXTSTEP 486 */
  333 #define MBR_PTYPE_APPLE_UFS     0xa8    /* Apple UFS */
  334 #define MBR_PTYPE_NETBSD        0xa9    /* NetBSD partition type */
  335 #define MBR_PTYPE_OLIVETTI      0xaa    /* Olivetty Fat12 1.44MB Service part */
  336 #define MBR_PTYPE_APPLE_BOOT    0xab    /* Apple Boot */
  337 #define MBR_PTYPE_SHAG_OS       0xae    /* SHAG OS filesystem */
  338 #define MBR_PTYPE_APPLE_HFS     0xaf    /* Apple HFS */
  339 #define MBR_PTYPE_BOOTSTAR_DUM  0xb0    /* BootStar Dummy */
  340 #define MBR_PTYPE_RESERVED_xB1  0xb1    /* reserved */
  341 #define MBR_PTYPE_RESERVED_xB3  0xb3    /* reserved */
  342 #define MBR_PTYPE_RESERVED_xB4  0xb4    /* reserved */
  343 #define MBR_PTYPE_RESERVED_xB6  0xb6    /* reserved */
  344 #define MBR_PTYPE_BSDI_386      0xb7    /* BSDI BSD/386 filesystem */
  345 #define MBR_PTYPE_BSDI_SWAP     0xb8    /* BSDI BSD/386 swap */
  346 #define MBR_PTYPE_BOOT_WIZARD   0xbb    /* Boot Wizard Hidden */
  347 #define MBR_PTYPE_SOLARIS_8     0xbe    /* Solaris 8 partition type */
  348 #define MBR_PTYPE_SOLARIS       0xbf    /* Solaris partition type */
  349 #define MBR_PTYPE_CTOS          0xc0    /* CTOS */
  350 #define MBR_PTYPE_DRDOS_FAT12   0xc1    /* DRDOS/sec (FAT-12) */
  351 #define MBR_PTYPE_HID_LNX       0xc2    /* Hidden Linux */
  352 #define MBR_PTYPE_HID_LNX_SWAP  0xc3    /* Hidden Linux swap */
  353 #define MBR_PTYPE_DRDOS_FAT16S  0xc4    /* DRDOS/sec (FAT-16, < 32M) */
  354 #define MBR_PTYPE_DRDOS_EXT     0xc5    /* DRDOS/sec (EXT) */
  355 #define MBR_PTYPE_DRDOS_FAT16B  0xc6    /* DRDOS/sec (FAT-16, >= 32M) */
  356 #define MBR_PTYPE_SYRINX        0xc7    /* Syrinx (Cyrnix?) or HPFS disabled */
  357 #define MBR_PTYPE_DRDOS_8_xC8   0xc8    /* Reserved for DR-DOS 8.0+ */
  358 #define MBR_PTYPE_DRDOS_8_xC9   0xc9    /* Reserved for DR-DOS 8.0+ */
  359 #define MBR_PTYPE_DRDOS_8_xCA   0xca    /* Reserved for DR-DOS 8.0+ */
  360 #define MBR_PTYPE_DRDOS_74_CHS  0xcb    /* DR-DOS 7.04+ Secured FAT32 CHS */
  361 #define MBR_PTYPE_DRDOS_74_LBA  0xcc    /* DR-DOS 7.04+ Secured FAT32 LBA */
  362 #define MBR_PTYPE_CTOS_MEMDUMP  0xcd    /* CTOS Memdump */
  363 #define MBR_PTYPE_DRDOS_74_16X  0xce    /* DR-DOS 7.04+ FAT16X LBA */
  364 #define MBR_PTYPE_DRDOS_74_EXT  0xcf    /* DR-DOS 7.04+ EXT LBA */
  365 #define MBR_PTYPE_REAL32        0xd0    /* REAL/32 secure big partition */
  366 #define MBR_PTYPE_MDOS_FAT12    0xd1    /* Old Multiuser DOS FAT12 */
  367 #define MBR_PTYPE_MDOS_FAT16S   0xd4    /* Old Multiuser DOS FAT16 Small */
  368 #define MBR_PTYPE_MDOS_EXT      0xd5    /* Old Multiuser DOS Extended */
  369 #define MBR_PTYPE_MDOS_FAT16B   0xd6    /* Old Multiuser DOS FAT16 Big */
  370 #define MBR_PTYPE_CPM_86        0xd8    /* CP/M 86 */
  371 #define MBR_PTYPE_CONCURRENT    0xdb    /* CP/M or Concurrent CP/M */
  372 #define MBR_PTYPE_HID_CTOS_MEM  0xdd    /* Hidden CTOS Memdump */
  373 #define MBR_PTYPE_DELL_UTIL     0xde    /* Dell PowerEdge Server utilities */
  374 #define MBR_PTYPE_DGUX_VIRTUAL  0xdf    /* DG/UX virtual disk manager */
  375 #define MBR_PTYPE_STMICROELEC   0xe0    /* STMicroelectronics ST AVFS */
  376 #define MBR_PTYPE_DOS_ACCESS    0xe1    /* DOS access or SpeedStor 12-bit */
  377 #define MBR_PTYPE_STORDIM       0xe3    /* DOS R/O or Storage Dimensions */
  378 #define MBR_PTYPE_SPEEDSTOR_16S 0xe4    /* SpeedStor 16-bit FAT < 1024 cyl. */
  379 #define MBR_PTYPE_RESERVED_xE5  0xe5    /* reserved */
  380 #define MBR_PTYPE_RESERVED_xE6  0xe6    /* reserved */
  381 #define MBR_PTYPE_BEOS          0xeb    /* BeOS */
  382 #define MBR_PTYPE_PMBR          0xee    /* GPT Protective MBR */
  383 #define MBR_PTYPE_EFI           0xef    /* EFI system partition */
  384 #define MBR_PTYPE_LNX_PA_RISC   0xf0    /* Linux PA-RISC boot loader */
  385 #define MBR_PTYPE_SPEEDSTOR_X   0xf1    /* SpeedStor or Storage Dimensions */
  386 #define MBR_PTYPE_DOS33_SEC     0xf2    /* DOS 3.3+ Secondary */
  387 #define MBR_PTYPE_RESERVED_xF3  0xf3    /* reserved */
  388 #define MBR_PTYPE_SPEEDSTOR_L   0xf4    /* SpeedStor large partition */
  389 #define MBR_PTYPE_PROLOGUE      0xf5    /* Prologue multi-volumen partition */
  390 #define MBR_PTYPE_RESERVED_xF6  0xf6    /* reserved */
  391 #define MBR_PTYPE_PCACHE        0xf9    /* pCache: ext2/ext3 persistent cache */
  392 #define MBR_PTYPE_BOCHS         0xfa    /* Bochs x86 emulator */
  393 #define MBR_PTYPE_VMWARE        0xfb    /* VMware File System */
  394 #define MBR_PTYPE_VMWARE_SWAP   0xfc    /* VMware Swap */
  395 #define MBR_PTYPE_LNX_RAID      0xfd    /* Linux RAID partition persistent sb */
  396 #define MBR_PTYPE_LANSTEP       0xfe    /* LANstep or IBM PS/2 IML */
  397 #define MBR_PTYPE_XENIX_BAD     0xff    /* Xenix Bad Block Table */
  398 
  399 #ifdef MBRPTYPENAMES
  400 static const struct mbr_ptype {
  401         int id;
  402         const char *name;
  403 } mbr_ptypes[] = {
  404         { MBR_PTYPE_UNUSED, "<UNUSED>" },
  405         { MBR_PTYPE_FAT12, "Primary DOS with 12 bit FAT" },
  406         { MBR_PTYPE_XENIX_ROOT, "XENIX / filesystem" },
  407         { MBR_PTYPE_XENIX_USR, "XENIX /usr filesystem" },
  408         { MBR_PTYPE_FAT16S, "Primary DOS with 16 bit FAT <32M" },
  409         { MBR_PTYPE_EXT, "Extended partition" },
  410         { MBR_PTYPE_FAT16B, "Primary 'big' DOS, 16-bit FAT (> 32MB)" },
  411         { MBR_PTYPE_NTFS, "NTFS, OS/2 HPFS, QNX2 or Advanced UNIX" },
  412         { MBR_PTYPE_DELL, "AIX filesystem or OS/2 (thru v1.3) or DELL "
  413                           "multiple drives or Commodore DOS or SplitDrive" },
  414         { MBR_PTYPE_AIX_BOOT, "AIX boot partition or Coherent" },
  415         { MBR_PTYPE_OS2_BOOT, "OS/2 Boot Manager or Coherent swap or OPUS" },
  416         { MBR_PTYPE_FAT32, "Primary DOS with 32 bit FAT" },
  417         { MBR_PTYPE_FAT32L, "Primary DOS with 32 bit FAT - LBA" },
  418         { MBR_PTYPE_7XXX, "Type 7??? - LBA" },
  419         { MBR_PTYPE_FAT16L, "DOS (16-bit FAT) - LBA" },
  420         { MBR_PTYPE_EXT_LBA, "Ext. partition - LBA" },
  421         { MBR_PTYPE_OPUS, "OPUS" },
  422         { MBR_PTYPE_OS2_DOS12, "OS/2 BM: hidden DOS 12-bit FAT" },
  423         { MBR_PTYPE_COMPAQ_DIAG, "Compaq diagnostics" },
  424         { MBR_PTYPE_OS2_DOS16S, "OS/2 BM: hidden DOS 16-bit FAT <32M "
  425                                 "or Novell DOS 7.0 bug" },
  426         { MBR_PTYPE_OS2_DOS16B, "OS/2 BM: hidden DOS 16-bit FAT >=32M" },
  427         { MBR_PTYPE_OS2_IFS, "OS/2 BM: hidden IFS" },
  428         { MBR_PTYPE_AST_SWAP, "AST Windows swapfile" },
  429         { MBR_PTYPE_WILLOWTECH, "Willowtech Photon coS" },
  430         { MBR_PTYPE_HID_FAT32, "hidden Windows/95 FAT32" },
  431         { MBR_PTYPE_HID_FAT32_LBA, "hidden Windows/95 FAT32 LBA" },
  432         { MBR_PTYPE_HID_FAT16_LBA, "hidden Windows/95 FAT16 LBA" },
  433         { MBR_PTYPE_WILLOWSOFT, "Willowsoft OFS1" },
  434         { MBR_PTYPE_RESERVED_x21, "reserved" },
  435         { MBR_PTYPE_RESERVED_x23, "reserved" },
  436         { MBR_PTYPE_RESERVED_x24, "NEC DOS"},
  437         { MBR_PTYPE_RESERVED_x26, "reserved" },
  438         { MBR_PTYPE_RESERVED_x31, "reserved" },
  439         { MBR_PTYPE_NOS, "Alien Internet Services NOS" },
  440         { MBR_PTYPE_RESERVED_x33, "reserved" },
  441         { MBR_PTYPE_RESERVED_x34, "reserved" },
  442         { MBR_PTYPE_OS2_JFS, "JFS on OS2" },
  443         { MBR_PTYPE_RESERVED_x36, "reserved" },
  444         { MBR_PTYPE_THEOS, "Theos" },
  445         { MBR_PTYPE_PLAN9, "Plan 9" },
  446         { MBR_PTYPE_PLAN9, "Plan 9, or Theos spanned" },
  447         { MBR_PTYPE_THEOS_4GB,  "Theos ver 4 4gb partition" },
  448         { MBR_PTYPE_THEOS_EXT,  "Theos ve 4 extended partition" },
  449         { MBR_PTYPE_PMRECOVERY, "PartitionMagic recovery" },
  450         { MBR_PTYPE_HID_NETWARE, "Hidden Netware" },
  451         { MBR_PTYPE_VENIX, "VENIX 286 or LynxOS" },
  452         { MBR_PTYPE_PREP, "Linux/MINIX (sharing disk with DRDOS) "
  453                           "or Personal RISC boot" },
  454         { MBR_PTYPE_DRDOS_LSWAP, "SFS or Linux swap "
  455                                  "(sharing disk with DRDOS)" },
  456         { MBR_PTYPE_DRDOS_LINUX, "Linux native (sharing disk with DRDOS)" },
  457         { MBR_PTYPE_GOBACK, "GoBack change utility" },
  458         { MBR_PTYPE_BOOT_US, "Boot US Boot manager" },
  459         { MBR_PTYPE_EUMEL_x46, "EUMEL/Elan or Ergos 3" },
  460         { MBR_PTYPE_EUMEL_x47, "EUMEL/Elan or Ergos 3" },
  461         { MBR_PTYPE_EUMEL_x48, "EUMEL/Elan or Ergos 3" },
  462         { MBR_PTYPE_ALFS_THIN, "ALFX/THIN filesystem for DOS" },
  463         { MBR_PTYPE_OBERON, "Oberon partition" },
  464         { MBR_PTYPE_QNX4X, "QNX4.x" },
  465         { MBR_PTYPE_QNX4X_2, "QNX4.x 2nd part" },
  466         { MBR_PTYPE_QNX4X_3, "QNX4.x 3rd part" },
  467         { MBR_PTYPE_DM, "DM (disk manager)" },
  468         { MBR_PTYPE_DM6_AUX1, "DM6 Aux1 (or Novell)" },
  469         { MBR_PTYPE_CPM, "CP/M or Microport SysV/AT" },
  470         { MBR_PTYPE_DM6_AUX3, "DM6 Aux3" },
  471         { MBR_PTYPE_DM6_DDO, "DM6 DDO" },
  472         { MBR_PTYPE_EZDRIVE, "EZ-Drive (disk manager)" },
  473         { MBR_PTYPE_GOLDEN_BOW, "Golden Bow (disk manager)" },
  474         { MBR_PTYPE_DRIVE_PRO, "Drive PRO" },
  475         { MBR_PTYPE_PRIAM_EDISK, "Priam Edisk (disk manager)" },
  476         { MBR_PTYPE_SPEEDSTOR, "SpeedStor" },
  477         { MBR_PTYPE_HURD, "GNU HURD or Mach or Sys V/386 "
  478                           "(such as ISC UNIX) or MtXinu" },
  479         { MBR_PTYPE_NOVELL_2XX, "Novell Netware 2.xx or Speedstore" },
  480         { MBR_PTYPE_NOVELL_3XX, "Novell Netware 3.xx" },
  481         { MBR_PTYPE_NOVELL_386, "Novell 386 Netware" },
  482         { MBR_PTYPE_NOVELL_x67, "Novell" },
  483         { MBR_PTYPE_NOVELL_x68, "Novell" },
  484         { MBR_PTYPE_NOVELL_x69, "Novell" },
  485         { MBR_PTYPE_DISKSECURE, "DiskSecure Multi-Boot" },
  486         { MBR_PTYPE_RESERVED_x71, "reserved" },
  487         { MBR_PTYPE_RESERVED_x73, "reserved" },
  488         { MBR_PTYPE_RESERVED_x74, "reserved" },
  489         { MBR_PTYPE_PCIX, "PC/IX" },
  490         { MBR_PTYPE_RESERVED_x76, "reserved" },
  491         { MBR_PTYPE_M2FS_M2CS,  "M2FS/M2CS partition" },
  492         { MBR_PTYPE_XOSL_FS, "XOSL boot loader filesystem" },
  493         { MBR_PTYPE_MINIX_14A, "MINIX until 1.4a" },
  494         { MBR_PTYPE_MINIX_14B, "MINIX since 1.4b, early Linux, Mitac dmgr" },
  495         { MBR_PTYPE_LNXSWAP, "Linux swap or Prime or Solaris" },
  496         { MBR_PTYPE_LNXEXT2, "Linux native" },
  497         { MBR_PTYPE_OS2_C, "OS/2 hidden C: drive" },
  498         { MBR_PTYPE_EXT_LNX, "Linux extended" },
  499         { MBR_PTYPE_NTFATVOL, "NT FAT volume set" },
  500         { MBR_PTYPE_NTFSVOL, "NTFS volume set or HPFS mirrored" },
  501         { MBR_PTYPE_LNX_KERNEL, "Linux Kernel AiR-BOOT partition" },
  502         { MBR_PTYPE_FT_FAT32, "Legacy Fault tolerant FAT32" },
  503         { MBR_PTYPE_FT_FAT32_EXT, "Legacy Fault tolerant FAT32 ext" },
  504         { MBR_PTYPE_HID_FR_FD_12, "Hidden free FDISK FAT12" },
  505         { MBR_PTYPE_LNX_LVM, "Linux Logical Volume Manager" },
  506         { MBR_PTYPE_HID_FR_FD_16, "Hidden free FDISK FAT16" },
  507         { MBR_PTYPE_HID_FR_FD_EXT, "Hidden free FDISK DOS EXT" },
  508         { MBR_PTYPE_HID_FR_FD_16L, "Hidden free FDISK FAT16 Large" },
  509         { MBR_PTYPE_AMOEBA_FS, "Amoeba filesystem" },
  510         { MBR_PTYPE_AMOEBA_BAD, "Amoeba bad block table" },
  511         { MBR_PTYPE_MIT_EXOPC, "MIT EXOPC native partitions" },
  512         { MBR_PTYPE_HID_FR_FD_32, "Hidden free FDISK FAT32" },
  513         { MBR_PTYPE_DATALIGHT, "Datalight ROM-DOS Super-Boot" },
  514         { MBR_PTYPE_MYLEX, "Mylex EISA SCSI" },
  515         { MBR_PTYPE_HID_FR_FD_16L, "Hidden free FDISK FAT16 LBA" },
  516         { MBR_PTYPE_HID_FR_FD_EXL, "Hidden free FDISK EXT LBA" },
  517         { MBR_PTYPE_BSDI, "BSDI?" },
  518         { MBR_PTYPE_IBM_HIB, "IBM Thinkpad hibernation" },
  519         { MBR_PTYPE_HP_VOL_xA1, "HP Volume expansion (SpeedStor)" },
  520         { MBR_PTYPE_HP_VOL_xA3, "HP Volume expansion (SpeedStor)" },
  521         { MBR_PTYPE_HP_VOL_xA4, "HP Volume expansion (SpeedStor)" },
  522         { MBR_PTYPE_386BSD, "FreeBSD or 386BSD or old NetBSD" },
  523         { MBR_PTYPE_OPENBSD, "OpenBSD" },
  524         { MBR_PTYPE_NEXTSTEP_486, "NeXTSTEP 486" },
  525         { MBR_PTYPE_APPLE_UFS, "Apple UFS" },
  526         { MBR_PTYPE_NETBSD, "NetBSD" },
  527         { MBR_PTYPE_OLIVETTI, "Olivetty Fat12 1.44MB Service part" },
  528         { MBR_PTYPE_SHAG_OS, "SHAG OS filesystem" },
  529         { MBR_PTYPE_BOOTSTAR_DUM, "BootStar Dummy" },
  530         { MBR_PTYPE_BOOT_WIZARD, "Boot Wizard Hidden" },
  531         { MBR_PTYPE_APPLE_BOOT, "Apple Boot" },
  532         { MBR_PTYPE_APPLE_HFS, "Apple HFS" },
  533         { MBR_PTYPE_RESERVED_xB6, "reserved" },
  534         { MBR_PTYPE_RESERVED_xB6, "reserved" },
  535         { MBR_PTYPE_RESERVED_xB6, "reserved" },
  536         { MBR_PTYPE_RESERVED_xB6, "reserved" },
  537         { MBR_PTYPE_BSDI_386, "BSDI BSD/386 filesystem" },
  538         { MBR_PTYPE_BSDI_SWAP, "BSDI BSD/386 swap" },
  539         { MBR_PTYPE_SOLARIS_8, "Solaris 8 boot partition" },
  540         { MBR_PTYPE_SOLARIS, "Solaris boot partition" },
  541         { MBR_PTYPE_CTOS, "CTOS" },
  542         { MBR_PTYPE_DRDOS_FAT12, "DRDOS/sec (FAT-12)" },
  543         { MBR_PTYPE_HID_LNX, "Hidden Linux" },
  544         { MBR_PTYPE_HID_LNX_SWAP, "Hidden Linux Swap" },
  545         { MBR_PTYPE_DRDOS_FAT16S, "DRDOS/sec (FAT-16, < 32M)" },
  546         { MBR_PTYPE_DRDOS_EXT, "DRDOS/sec (EXT)" },
  547         { MBR_PTYPE_DRDOS_FAT16B, "DRDOS/sec (FAT-16, >= 32M)" },
  548         { MBR_PTYPE_SYRINX, "Syrinx (Cyrnix?) or HPFS disabled" },
  549         { MBR_PTYPE_DRDOS_8_xC8, "Reserved for DR-DOS 8.0+" },
  550         { MBR_PTYPE_DRDOS_8_xC9, "Reserved for DR-DOS 8.0+" },
  551         { MBR_PTYPE_DRDOS_8_xCA, "Reserved for DR-DOS 8.0+" },
  552         { MBR_PTYPE_DRDOS_74_CHS, "DR-DOS 7.04+ Secured FAT32 CHS" },
  553         { MBR_PTYPE_DRDOS_74_LBA, "DR-DOS 7.04+ Secured FAT32 LBA" },
  554         { MBR_PTYPE_CTOS_MEMDUMP, "CTOS Memdump" },
  555         { MBR_PTYPE_DRDOS_74_16X, "DR-DOS 7.04+ FAT16X LBA" },
  556         { MBR_PTYPE_DRDOS_74_EXT, "DR-DOS 7.04+ EXT LBA" },
  557         { MBR_PTYPE_REAL32, "REAL/32 secure big partition" },
  558         { MBR_PTYPE_MDOS_FAT12, "Old Multiuser DOS FAT12" },
  559         { MBR_PTYPE_MDOS_FAT16S, "Old Multiuser DOS FAT16 Small" },
  560         { MBR_PTYPE_MDOS_EXT, "Old Multiuser DOS Extended" },
  561         { MBR_PTYPE_MDOS_FAT16B, "Old Multiuser DOS FAT16 Big" },
  562         { MBR_PTYPE_CPM_86, "CP/M 86" },
  563         { MBR_PTYPE_CONCURRENT, "CP/M or Concurrent CP/M or Concurrent DOS "
  564                                 "or CTOS" },
  565         { MBR_PTYPE_HID_CTOS_MEM, "Hidden CTOS Memdump" },
  566         { MBR_PTYPE_DELL_UTIL, "Dell PowerEdge Server utilities" },
  567         { MBR_PTYPE_DGUX_VIRTUAL, "DG/UX virtual disk manager" },
  568         { MBR_PTYPE_STMICROELEC, "STMicroelectronics ST AVFS" },
  569         { MBR_PTYPE_DOS_ACCESS, "DOS access or SpeedStor 12-bit FAT "
  570                                 "extended partition" },
  571         { MBR_PTYPE_STORDIM, "DOS R/O or SpeedStor or Storage Dimensions" },
  572         { MBR_PTYPE_SPEEDSTOR_16S, "SpeedStor 16-bit FAT extended partition "
  573                                    "< 1024 cyl." },
  574         { MBR_PTYPE_RESERVED_xE5, "reserved" },
  575         { MBR_PTYPE_RESERVED_xE6, "reserved" },
  576         { MBR_PTYPE_BEOS, "BeOS" },
  577         { MBR_PTYPE_PMBR, "GPT Protective MBR" },
  578         { MBR_PTYPE_EFI, "EFI system partition" },
  579         { MBR_PTYPE_LNX_PA_RISC, "Linux PA-RISC boot loader" },
  580         { MBR_PTYPE_SPEEDSTOR_X, "SpeedStor or Storage Dimensions" },
  581         { MBR_PTYPE_DOS33_SEC, "DOS 3.3+ Secondary" },
  582         { MBR_PTYPE_RESERVED_xF3, "reserved" },
  583         { MBR_PTYPE_SPEEDSTOR_L, "SpeedStor large partition or "
  584                                  "Storage Dimensions" },
  585         { MBR_PTYPE_PROLOGUE, "Prologue multi-volumen partition" },
  586         { MBR_PTYPE_RESERVED_xF6, "reserved" },
  587         { MBR_PTYPE_PCACHE, "pCache: ext2/ext3 persistent cache" },
  588         { MBR_PTYPE_BOCHS, "Bochs x86 emulator" },
  589         { MBR_PTYPE_VMWARE, "VMware File System" },
  590         { MBR_PTYPE_VMWARE_SWAP, "VMware Swap" },
  591         { MBR_PTYPE_LNX_RAID, "Linux RAID partition persistent sb" },
  592         { MBR_PTYPE_LANSTEP, "SpeedStor >1024 cyl. or LANstep "
  593                              "or IBM PS/2 IML" },
  594         { MBR_PTYPE_XENIX_BAD, "Xenix Bad Block Table" },
  595 };
  596 #endif
  597 
  598 #define MBR_PSECT(s)            ((s) & 0x3f)
  599 #define MBR_PCYL(c, s)          ((c) + (((s) & 0xc0) << 2))
  600 
  601 #define MBR_IS_EXTENDED(x)      ((x) == MBR_PTYPE_EXT || \
  602                                  (x) == MBR_PTYPE_EXT_LBA || \
  603                                  (x) == MBR_PTYPE_EXT_LNX)
  604 
  605                 /* values for mbr_bootsel.mbrbs_flags */
  606 #define MBR_BS_ACTIVE   0x01    /* Bootselector active (or code present) */
  607 #define MBR_BS_EXTINT13 0x02    /* Set by fdisk if LBA needed (deprecated) */
  608 #define MBR_BS_READ_LBA 0x04    /* Force LBA reads (deprecated) */
  609 #define MBR_BS_EXTLBA   0x08    /* Extended ptn capable (LBA reads) */
  610 /* This is always set, the bootsel is located using the magic number...  */
  611 #define MBR_BS_NEWMBR   0x80    /* New bootsel at offset 440 */
  612 
  613 #if !defined(__ASSEMBLER__)                                     /* { */
  614 
  615 /*
  616  * (x86) BIOS Parameter Block for FAT12
  617  */
  618 struct mbr_bpbFAT12 {
  619         uint16_t        bpbBytesPerSec; /* bytes per sector */
  620         uint8_t         bpbSecPerClust; /* sectors per cluster */
  621         uint16_t        bpbResSectors;  /* number of reserved sectors */
  622         uint8_t         bpbFATs;        /* number of FATs */
  623         uint16_t        bpbRootDirEnts; /* number of root directory entries */
  624         uint16_t        bpbSectors;     /* total number of sectors */
  625         uint8_t         bpbMedia;       /* media descriptor */
  626         uint16_t        bpbFATsecs;     /* number of sectors per FAT */
  627         uint16_t        bpbSecPerTrack; /* sectors per track */
  628         uint16_t        bpbHeads;       /* number of heads */
  629         uint16_t        bpbHiddenSecs;  /* # of hidden sectors */
  630 } __packed;
  631 
  632 /*
  633  * (x86) BIOS Parameter Block for FAT16
  634  */
  635 struct mbr_bpbFAT16 {
  636         uint16_t        bpbBytesPerSec; /* bytes per sector */
  637         uint8_t         bpbSecPerClust; /* sectors per cluster */
  638         uint16_t        bpbResSectors;  /* number of reserved sectors */
  639         uint8_t         bpbFATs;        /* number of FATs */
  640         uint16_t        bpbRootDirEnts; /* number of root directory entries */
  641         uint16_t        bpbSectors;     /* total number of sectors */
  642         uint8_t         bpbMedia;       /* media descriptor */
  643         uint16_t        bpbFATsecs;     /* number of sectors per FAT */
  644         uint16_t        bpbSecPerTrack; /* sectors per track */
  645         uint16_t        bpbHeads;       /* number of heads */
  646         uint32_t        bpbHiddenSecs;  /* # of hidden sectors */
  647         uint32_t        bpbHugeSectors; /* # of sectors if bpbSectors == 0 */
  648         uint8_t         bsDrvNum;       /* Int 0x13 drive number (e.g. 0x80) */
  649         uint8_t         bsReserved1;    /* Reserved; set to 0 */
  650         uint8_t         bsBootSig;      /* 0x29 if next 3 fields are present */
  651         uint8_t         bsVolID[4];     /* Volume serial number */
  652         uint8_t         bsVolLab[11];   /* Volume label */
  653         uint8_t         bsFileSysType[8];
  654                                         /* "FAT12   ", "FAT16   ", "FAT     " */
  655 } __packed;
  656 
  657 /*
  658  * (x86) BIOS Parameter Block for FAT32
  659  */
  660 struct mbr_bpbFAT32 {
  661         uint16_t        bpbBytesPerSec; /* bytes per sector */
  662         uint8_t         bpbSecPerClust; /* sectors per cluster */
  663         uint16_t        bpbResSectors;  /* number of reserved sectors */
  664         uint8_t         bpbFATs;        /* number of FATs */
  665         uint16_t        bpbRootDirEnts; /* number of root directory entries */
  666         uint16_t        bpbSectors;     /* total number of sectors */
  667         uint8_t         bpbMedia;       /* media descriptor */
  668         uint16_t        bpbFATsecs;     /* number of sectors per FAT */
  669         uint16_t        bpbSecPerTrack; /* sectors per track */
  670         uint16_t        bpbHeads;       /* number of heads */
  671         uint32_t        bpbHiddenSecs;  /* # of hidden sectors */
  672         uint32_t        bpbHugeSectors; /* # of sectors if bpbSectors == 0 */
  673         uint32_t        bpbBigFATsecs;  /* like bpbFATsecs for FAT32 */
  674         uint16_t        bpbExtFlags;    /* extended flags: */
  675 #define MBR_FAT32_FATNUM        0x0F    /*   mask for numbering active FAT */
  676 #define MBR_FAT32_FATMIRROR     0x80    /*   FAT is mirrored (as previously) */
  677         uint16_t        bpbFSVers;      /* filesystem version */
  678 #define MBR_FAT32_FSVERS        0       /*   currently only 0 is understood */
  679         uint32_t        bpbRootClust;   /* start cluster for root directory */
  680         uint16_t        bpbFSInfo;      /* filesystem info structure sector */
  681         uint16_t        bpbBackup;      /* backup boot sector */
  682         uint8_t         bsReserved[12]; /* Reserved for future expansion */
  683         uint8_t         bsDrvNum;       /* Int 0x13 drive number (e.g. 0x80) */
  684         uint8_t         bsReserved1;    /* Reserved; set to 0 */
  685         uint8_t         bsBootSig;      /* 0x29 if next 3 fields are present */
  686         uint8_t         bsVolID[4];     /* Volume serial number */
  687         uint8_t         bsVolLab[11];   /* Volume label */
  688         uint8_t         bsFileSysType[8]; /* "FAT32   " */
  689 } __packed;
  690 
  691 /*
  692  * (x86) MBR boot selector
  693  */
  694 struct mbr_bootsel {
  695         uint8_t         mbrbs_defkey;
  696         uint8_t         mbrbs_flags;
  697         uint16_t        mbrbs_timeo;
  698         uint8_t         mbrbs_nametab[MBR_PART_COUNT][MBR_BS_PARTNAMESIZE + 1];
  699 } __packed;
  700 
  701 /*
  702  * MBR partition
  703  */
  704 struct mbr_partition {
  705         uint8_t         mbrp_flag;      /* MBR partition flags */
  706         uint8_t         mbrp_shd;       /* Starting head */
  707         uint8_t         mbrp_ssect;     /* Starting sector */
  708         uint8_t         mbrp_scyl;      /* Starting cylinder */
  709         uint8_t         mbrp_type;      /* Partition type (see below) */
  710         uint8_t         mbrp_ehd;       /* End head */
  711         uint8_t         mbrp_esect;     /* End sector */
  712         uint8_t         mbrp_ecyl;      /* End cylinder */
  713         uint32_t        mbrp_start;     /* Absolute starting sector number */
  714         uint32_t        mbrp_size;      /* Partition size in sectors */
  715 } __packed;
  716 
  717 int xlat_mbr_fstype(int);       /* in sys/lib/libkern/xlat_mbr_fstype.c */
  718 
  719 /*
  720  * MBR boot sector.
  721  * This is used by both the MBR (Master Boot Record) in sector 0 of the disk
  722  * and the PBR (Partition Boot Record) in sector 0 of an MBR partition.
  723  */
  724 struct mbr_sector {
  725                                         /* Jump instruction to boot code.  */
  726                                         /* Usually 0xE9nnnn or 0xEBnn90 */
  727         uint8_t                 mbr_jmpboot[3];
  728                                         /* OEM name and version */
  729         uint8_t                 mbr_oemname[8];
  730         union {                         /* BIOS Parameter Block */
  731                 struct mbr_bpbFAT12     bpb12;
  732                 struct mbr_bpbFAT16     bpb16;
  733                 struct mbr_bpbFAT32     bpb32;
  734         } mbr_bpb;
  735                                         /* Boot code */
  736         uint8_t                 mbr_bootcode[310];
  737                                         /* Config for /usr/mdec/mbr_bootsel */
  738         struct mbr_bootsel      mbr_bootsel;
  739                                         /* NT Drive Serial Number */
  740         uint32_t                mbr_dsn;
  741                                         /* mbr_bootsel magic */
  742         uint16_t                mbr_bootsel_magic;
  743                                         /* MBR partition table */
  744         struct mbr_partition    mbr_parts[MBR_PART_COUNT];
  745                                         /* MBR magic (0xaa55) */
  746         uint16_t                mbr_magic;
  747 } __packed;
  748 
  749 #endif  /* !defined(__ASSEMBLER__) */                           /* } */
  750 
  751 
  752 /* ------------------------------------------
  753  * shared --
  754  *      definitions shared by many platforms
  755  */
  756 
  757 #if !defined(__ASSEMBLER__)                                     /* { */
  758 
  759         /* Maximum # of blocks in bbi_block_table, each bbi_block_size long */
  760 #define SHARED_BBINFO_MAXBLOCKS 118     /* so sizeof(shared_bbinfo) == 512 */
  761 
  762 struct shared_bbinfo {
  763         uint8_t bbi_magic[32];
  764         int32_t bbi_block_size;
  765         int32_t bbi_block_count;
  766         int32_t bbi_block_table[SHARED_BBINFO_MAXBLOCKS];
  767 };
  768 
  769 /* ------------------------------------------
  770  * alpha --
  771  *      Alpha (disk, but also tape) Boot Block.
  772  *
  773  *      See Section (III) 3.6.1 of the Alpha Architecture Reference Manual.
  774  */
  775 
  776 struct alpha_boot_block {
  777         uint64_t bb_data[63];           /* data (disklabel, also as below) */
  778         uint64_t bb_cksum;              /* checksum of the boot block,
  779                                          * taken as uint64_t's
  780                                          */
  781 };
  782 #define bb_secsize      bb_data[60]     /* secondary size (blocks) */
  783 #define bb_secstart     bb_data[61]     /* secondary start (blocks) */
  784 #define bb_flags        bb_data[62]     /* unknown flags (set to zero) */
  785 
  786 #define ALPHA_BOOT_BLOCK_OFFSET         0       /* offset of boot block. */
  787 #define ALPHA_BOOT_BLOCK_BLOCKSIZE      512     /* block size for sector
  788                                                  * size/start, and for boot
  789                                                  * block itself.
  790                                                  */
  791 
  792 #define ALPHA_BOOT_BLOCK_CKSUM(bb,cksum)                                \
  793         do {                                                            \
  794                 const struct alpha_boot_block *_bb = (bb);              \
  795                 uint64_t _cksum;                                        \
  796                 int _i;                                                 \
  797                                                                         \
  798                 _cksum = 0;                                             \
  799                 for (_i = 0;                                            \
  800                     _i < (sizeof _bb->bb_data / sizeof _bb->bb_data[0]); \
  801                     _i++)                                               \
  802                         _cksum += _bb->bb_data[_i];                     \
  803                 *(cksum) = _cksum;                                      \
  804         } while (/*CONSTCOND*/ 0)
  805 
  806 /* ------------------------------------------
  807  * apple --
  808  *      Apple computers boot block related information
  809  */
  810 
  811 /*
  812  *      Driver Descriptor Map, from Inside Macintosh: Devices, SCSI Manager
  813  *      pp 12-13.  The driver descriptor map always resides on physical block 0.
  814  */
  815 struct apple_drvr_descriptor {
  816         uint32_t        descBlock;      /* first block of driver */
  817         uint16_t        descSize;       /* driver size in blocks */
  818         uint16_t        descType;       /* system type */
  819 };
  820 
  821 /*
  822  *      system types; Apple reserves 0-15
  823  */
  824 #define APPLE_DRVR_TYPE_MACINTOSH       1
  825 
  826 #define APPLE_DRVR_MAP_MAGIC            0x4552
  827 #define APPLE_DRVR_MAP_MAX_DESCRIPTORS  61
  828 
  829 struct apple_drvr_map {
  830         uint16_t        sbSig;          /* map signature */
  831         uint16_t        sbBlockSize;    /* block size of device */
  832         uint32_t        sbBlkCount;     /* number of blocks on device */
  833         uint16_t        sbDevType;      /* (used internally by ROM) */
  834         uint16_t        sbDevID;        /* (used internally by ROM) */
  835         uint32_t        sbData;         /* (used internally by ROM) */
  836         uint16_t        sbDrvrCount;    /* number of driver descriptors */
  837         struct apple_drvr_descriptor sb_dd[APPLE_DRVR_MAP_MAX_DESCRIPTORS];
  838         uint16_t        pad[3];
  839 } __packed;
  840 
  841 /*
  842  *      Partition map structure from Inside Macintosh: Devices, SCSI Manager
  843  *      pp. 13-14.  The partition map always begins on physical block 1.
  844  *
  845  *      With the exception of block 0, all blocks on the disk must belong to
  846  *      exactly one partition.  The partition map itself belongs to a partition
  847  *      of type `APPLE_PARTITION_MAP', and is not limited in size by anything
  848  *      other than available disk space.  The partition map is not necessarily
  849  *      the first partition listed.
  850  */
  851 #define APPLE_PART_MAP_ENTRY_MAGIC      0x504d
  852 
  853 struct apple_part_map_entry {
  854         uint16_t        pmSig;          /* partition signature */
  855         uint16_t        pmSigPad;       /* (reserved) */
  856         uint32_t        pmMapBlkCnt;    /* number of blocks in partition map */
  857         uint32_t        pmPyPartStart;  /* first physical block of partition */
  858         uint32_t        pmPartBlkCnt;   /* number of blocks in partition */
  859         uint8_t         pmPartName[32]; /* partition name */
  860         uint8_t         pmPartType[32]; /* partition type */
  861         uint32_t        pmLgDataStart;  /* first logical block of data area */
  862         uint32_t        pmDataCnt;      /* number of blocks in data area */
  863         uint32_t        pmPartStatus;   /* partition status information */
  864         uint32_t        pmLgBootStart;  /* first logical block of boot code */
  865         uint32_t        pmBootSize;     /* size of boot code, in bytes */
  866         uint32_t        pmBootLoad;     /* boot code load address */
  867         uint32_t        pmBootLoad2;    /* (reserved) */
  868         uint32_t        pmBootEntry;    /* boot code entry point */
  869         uint32_t        pmBootEntry2;   /* (reserved) */
  870         uint32_t        pmBootCksum;    /* boot code checksum */
  871         int8_t          pmProcessor[16]; /* processor type (e.g. "68020") */
  872         uint8_t         pmBootArgs[128]; /* A/UX boot arguments */
  873         uint8_t         pad[248];       /* pad to end of block */
  874 };
  875 
  876 #define APPLE_PART_TYPE_DRIVER          "APPLE_DRIVER"
  877 #define APPLE_PART_TYPE_DRIVER43        "APPLE_DRIVER43"
  878 #define APPLE_PART_TYPE_DRIVERATA       "APPLE_DRIVER_ATA"
  879 #define APPLE_PART_TYPE_DRIVERIOKIT     "APPLE_DRIVER_IOKIT"
  880 #define APPLE_PART_TYPE_FWDRIVER        "APPLE_FWDRIVER"
  881 #define APPLE_PART_TYPE_FWB_COMPONENT   "FWB DRIVER COMPONENTS"
  882 #define APPLE_PART_TYPE_FREE            "APPLE_FREE"
  883 #define APPLE_PART_TYPE_MAC             "APPLE_HFS"
  884 #define APPLE_PART_TYPE_NETBSD          "NETBSD"
  885 #define APPLE_PART_TYPE_NBSD_PPCBOOT    "NETBSD/MACPPC"
  886 #define APPLE_PART_TYPE_NBSD_68KBOOT    "NETBSD/MAC68K"
  887 #define APPLE_PART_TYPE_PATCHES         "APPLE_PATCHES"
  888 #define APPLE_PART_TYPE_PARTMAP         "APPLE_PARTITION_MAP"
  889 #define APPLE_PART_TYPE_PATCHES         "APPLE_PATCHES"
  890 #define APPLE_PART_TYPE_SCRATCH         "APPLE_SCRATCH"
  891 #define APPLE_PART_TYPE_UNIX            "APPLE_UNIX_SVR2"
  892 
  893 /*
  894  * "pmBootArgs" for APPLE_UNIX_SVR2 partition.
  895  * NetBSD/mac68k only uses Magic, Cluster, Type, and Flags.
  896  */
  897 struct apple_blockzeroblock {
  898         uint32_t       bzbMagic;
  899         uint8_t        bzbCluster;
  900         uint8_t        bzbType;
  901         uint16_t       bzbBadBlockInode;
  902         uint16_t       bzbFlags;
  903         uint16_t       bzbReserved;
  904         uint32_t       bzbCreationTime;
  905         uint32_t       bzbMountTime;
  906         uint32_t       bzbUMountTime;
  907 };
  908 
  909 #define APPLE_BZB_MAGIC         0xABADBABE
  910 #define APPLE_BZB_TYPEFS        1
  911 #define APPLE_BZB_TYPESWAP      3
  912 #define APPLE_BZB_ROOTFS        0x8000
  913 #define APPLE_BZB_USRFS         0x4000
  914 
  915 /* ------------------------------------------
  916  * ews4800mips
  917  *
  918  */
  919 
  920 #define EWS4800MIPS_BBINFO_MAGIC                "NetBSD/ews4800mips     20040611"
  921 #define EWS4800MIPS_BOOT_BLOCK_OFFSET           0
  922 #define EWS4800MIPS_BOOT_BLOCK_BLOCKSIZE        512
  923 #define EWS4800MIPS_BOOT_BLOCK_MAX_SIZE         (512 * 8)
  924 
  925 /* ------------------------------------------
  926  * hp300
  927  *
  928  */
  929 
  930 /* volume header for "LIF" format volumes */
  931 
  932 struct  hp300_lifvol {
  933         int16_t vol_id;
  934         char    vol_label[6];
  935         int32_t vol_addr;
  936         int16_t vol_oct;
  937         int16_t vol_dummy;
  938         int32_t vol_dirsize;
  939         int16_t vol_version;
  940         int16_t vol_zero;
  941         int32_t vol_huh1;
  942         int32_t vol_huh2;
  943         int32_t vol_length;
  944 };
  945 
  946 /* LIF directory entry format */
  947 
  948 struct  hp300_lifdir {
  949         char    dir_name[10];
  950         int16_t dir_type;
  951         int32_t dir_addr;
  952         int32_t dir_length;
  953         char    dir_toc[6];
  954         int16_t dir_flag;
  955         int32_t dir_exec;
  956 };
  957 
  958 /* load header for boot rom */
  959 struct hp300_load {
  960         int32_t address;
  961         int32_t count;
  962 };
  963 
  964 #define HP300_VOL_ID            -32768
  965 #define HP300_VOL_OCT           4096
  966 #define HP300_DIR_TYPE          -5822
  967 #define HP300_DIR_FLAG          0x8001  /* dont ask me! */
  968 #define HP300_SECTSIZE          256
  969 
  970 
  971 /* ------------------------------------------
  972  * hp700
  973  *
  974  */
  975 
  976 /*
  977  * volume header for "LIF" format volumes
  978  */
  979 struct  hp700_lifvol {
  980         uint16_t        vol_id;
  981         uint8_t         vol_label[6];
  982         uint32_t        vol_addr;
  983         uint16_t        vol_oct;
  984         uint16_t        vol_dummy;
  985 
  986         uint32_t        vol_dirsize;
  987         uint16_t        vol_version;
  988         uint16_t        vol_zero;
  989         uint32_t        vol_number;
  990         uint32_t        vol_lastvol;
  991 
  992         uint32_t        vol_length;
  993         uint8_t         vol_toc[6];
  994         uint8_t         vol_dummy1[198];
  995 
  996         uint32_t        ipl_addr;
  997         uint32_t        ipl_size;
  998         uint32_t        ipl_entry;
  999 
 1000         uint32_t        vol_dummy2;
 1001 };
 1002 
 1003 struct  hp700_lifdir {
 1004         uint8_t         dir_name[10];
 1005         uint16_t        dir_type;
 1006         uint32_t        dir_addr;
 1007         uint32_t        dir_length;
 1008         uint8_t         dir_toc[6];
 1009         uint16_t        dir_flag;
 1010         uint32_t        dir_implement;
 1011 };
 1012 
 1013 struct hp700_lifload {
 1014         int address;
 1015         int count;
 1016 };
 1017 
 1018 #define HP700_LIF_VOL_ID        0x8000
 1019 #define HP700_LIF_VOL_OCT       0x1000
 1020 #define HP700_LIF_DIR_SWAP      0x5243
 1021 #define HP700_LIF_DIR_FS        0xcd38
 1022 #define HP700_LIF_DIR_IOMAP     0xcd60
 1023 #define HP700_LIF_DIR_HPUX      0xcd80
 1024 #define HP700_LIF_DIR_ISL       0xce00
 1025 #define HP700_LIF_DIR_PAD       0xcffe
 1026 #define HP700_LIF_DIR_AUTO      0xcfff
 1027 #define HP700_LIF_DIR_EST       0xd001
 1028 #define HP700_LIF_DIR_TYPE      0xe942
 1029 
 1030 #define HP700_LIF_DIR_FLAG      0x8001  /* dont ask me! */
 1031 #define HP700_LIF_SECTSIZE      256
 1032 
 1033 #define HP700_LIF_NUMDIR        8
 1034 
 1035 #define HP700_LIF_VOLSTART      0
 1036 #define HP700_LIF_VOLSIZE       sizeof(struct hp700_lifvol)
 1037 #define HP700_LIF_DIRSTART      2048
 1038 #define HP700_LIF_DIRSIZE       (HP700_LIF_NUMDIR * sizeof(struct hp700_lifdir))
 1039 #define HP700_LIF_FILESTART     4096
 1040 
 1041 #define hp700_btolifs(b)        (((b) + (HP700_LIF_SECTSIZE - 1)) / HP700_LIF_SECTSIZE)
 1042 #define hp700_lifstob(s)        ((s) * HP700_LIF_SECTSIZE)
 1043 #define hp700_lifstodb(s)       ((s) * HP700_LIF_SECTSIZE / DEV_BSIZE)
 1044 
 1045 
 1046 /* ------------------------------------------
 1047  * x86
 1048  *
 1049  */
 1050 
 1051 /*
 1052  * Parameters for NetBSD /boot written to start of pbr code by installboot
 1053  */
 1054 
 1055 struct x86_boot_params {
 1056         uint32_t        bp_length;      /* length of patchable data */
 1057         uint32_t        bp_flags;
 1058         uint32_t        bp_timeout;     /* boot timeout in seconds */
 1059         uint32_t        bp_consdev;
 1060         uint32_t        bp_conspeed;
 1061         uint8_t         bp_password[16];        /* md5 hash of password */
 1062         char            bp_keymap[64];  /* keyboard traslation map */
 1063         uint32_t        bp_consaddr;    /* ioaddr for console */
 1064 };
 1065 
 1066 #endif  /* !defined(__ASSEMBLER__) */                           /* } */
 1067 
 1068 #define X86_BOOT_MAGIC(n)       ('x' << 24 | 0x86b << 12 | 'm' << 4 | (n))
 1069 #define X86_BOOT_MAGIC_1        X86_BOOT_MAGIC(1)       /* pbr.S */
 1070 #define X86_BOOT_MAGIC_2        X86_BOOT_MAGIC(2)       /* bootxx.S */
 1071 #define X86_BOOT_MAGIC_PXE      X86_BOOT_MAGIC(3)       /* start_pxe.S */
 1072 
 1073                 /* values for bp_flags */
 1074 #define X86_BP_FLAGS_RESET_VIDEO        1
 1075 #define X86_BP_FLAGS_PASSWORD           2
 1076 
 1077                 /* values for bp_consdev */
 1078 #define X86_BP_CONSDEV_PC       0
 1079 #define X86_BP_CONSDEV_COM0     1
 1080 #define X86_BP_CONSDEV_COM1     2
 1081 #define X86_BP_CONSDEV_COM2     3
 1082 #define X86_BP_CONSDEV_COM3     4
 1083 #define X86_BP_CONSDEV_COM0KBD  5
 1084 #define X86_BP_CONSDEV_COM1KBD  6
 1085 #define X86_BP_CONSDEV_COM2KBD  7
 1086 #define X86_BP_CONSDEV_COM3KBD  8
 1087 
 1088 /* ------------------------------------------
 1089  * landisk
 1090  */
 1091 
 1092 #if !defined(__ASSEMBLER__)                                     /* { */
 1093 
 1094 /*
 1095  * Parameters for NetBSD /boot written to start of pbr code by installboot
 1096  */
 1097 struct landisk_boot_params {
 1098         uint32_t        bp_length;      /* length of patchable data */
 1099         uint32_t        bp_flags;
 1100         uint32_t        bp_timeout;     /* boot timeout in seconds */
 1101         uint32_t        bp_consdev;
 1102         uint32_t        bp_conspeed;
 1103 };
 1104 
 1105 #endif  /* !defined(__ASSEMBLER__) */                           /* } */
 1106 
 1107 #define LANDISK_BOOT_MAGIC_1    0x20031125
 1108 #define LANDISK_BOOT_MAGIC_2    0x20041110
 1109 
 1110 #if !defined(__ASSEMBLER__)                                     /* { */
 1111 
 1112 /* ------------------------------------------
 1113  * macppc
 1114  */
 1115 
 1116 #define MACPPC_BOOT_BLOCK_OFFSET        2048
 1117 #define MACPPC_BOOT_BLOCK_BLOCKSIZE     512
 1118 #define MACPPC_BOOT_BLOCK_MAX_SIZE      2048    /* XXX: could be up to 6144 */
 1119         /* Magic string -- 32 bytes long (including the NUL) */
 1120 #define MACPPC_BBINFO_MAGIC             "NetBSD/macppc bootxx   20020515"
 1121 
 1122 /* ------------------------------------------
 1123  * news68k, newsmips
 1124  */
 1125 
 1126 #define NEWS_BOOT_BLOCK_LABELOFFSET     64 /* XXX from <machine/disklabel.h> */
 1127 #define NEWS_BOOT_BLOCK_OFFSET          0
 1128 #define NEWS_BOOT_BLOCK_BLOCKSIZE       512
 1129 #define NEWS_BOOT_BLOCK_MAX_SIZE        (512 * 16)
 1130 
 1131         /* Magic string -- 32 bytes long (including the NUL) */
 1132 #define NEWS68K_BBINFO_MAGIC            "NetBSD/news68k bootxx  20020518"
 1133 #define NEWSMIPS_BBINFO_MAGIC           "NetBSD/newsmips bootxx 20020518"
 1134 
 1135 /* ------------------------------------------
 1136  * next68k
 1137  */
 1138 
 1139 #define NEXT68K_LABEL_MAXPARTITIONS     8       /* number of partitions in next68k_disklabel */
 1140 #define NEXT68K_LABEL_CPULBLLEN         24
 1141 #define NEXT68K_LABEL_MAXDNMLEN         24
 1142 #define NEXT68K_LABEL_MAXTYPLEN         24
 1143 #define NEXT68K_LABEL_MAXBFLEN          24
 1144 #define NEXT68K_LABEL_MAXHNLEN          32
 1145 #define NEXT68K_LABEL_MAXMPTLEN         16
 1146 #define NEXT68K_LABEL_MAXFSTLEN         8
 1147 #define NEXT68K_LABEL_NBAD              1670    /* sized to make label ~= 8KB */
 1148 
 1149 struct next68k_partition {
 1150         int32_t cp_offset;              /* starting sector */
 1151         int32_t cp_size;                /* number of sectors in partition */
 1152         int16_t cp_bsize;               /* block size in bytes */
 1153         int16_t cp_fsize;               /* filesystem basic fragment size */
 1154         char    cp_opt;                 /* optimization type: 's'pace/'t'ime */
 1155         char    cp_pad1;
 1156         int16_t cp_cpg;                 /* filesystem cylinders per group */
 1157         int16_t cp_density;             /* bytes per inode density */
 1158         int8_t  cp_minfree;             /* minfree (%) */
 1159         int8_t  cp_newfs;               /* run newfs during init */
 1160         char    cp_mountpt[NEXT68K_LABEL_MAXMPTLEN];
 1161                                         /* default/standard mount point */
 1162         int8_t  cp_automnt;             /* auto-mount when inserted */
 1163         char    cp_type[NEXT68K_LABEL_MAXFSTLEN]; /* file system type name */
 1164         char    cp_pad2;
 1165 } __packed;
 1166 
 1167 /* The disklabel the way it is on the disk */
 1168 struct next68k_disklabel {
 1169         int32_t cd_version;             /* label version */
 1170         int32_t cd_label_blkno;         /* block # of this label */
 1171         int32_t cd_size;                /* size of media area (sectors) */
 1172         char    cd_label[NEXT68K_LABEL_CPULBLLEN]; /* disk name (label) */
 1173         uint32_t cd_flags;              /* flags */
 1174         uint32_t cd_tag;                /* volume tag */
 1175         char    cd_name[NEXT68K_LABEL_MAXDNMLEN]; /* drive (hardware) name */
 1176         char    cd_type[NEXT68K_LABEL_MAXTYPLEN]; /* drive type */
 1177         int32_t cd_secsize;             /* # of bytes per sector */
 1178         int32_t cd_ntracks;             /* # of tracks per cylinder */
 1179         int32_t cd_nsectors;            /* # of data sectors per track */
 1180         int32_t cd_ncylinders;          /* # of data cylinders per unit */
 1181         int32_t cd_rpm;                 /* rotational speed */
 1182         int16_t cd_front;               /* # of sectors in "front porch" */
 1183         int16_t cd_back;                /* # of sectors in "back porch" */
 1184         int16_t cd_ngroups;             /* # of alt groups */
 1185         int16_t cd_ag_size;             /* alt group size (sectors) */
 1186         int16_t cd_ag_alts;             /* alternate sectors / alt group */
 1187         int16_t cd_ag_off;              /* sector offset to first alternate */
 1188         int32_t cd_boot_blkno[2];       /* boot program locations */
 1189         char    cd_kernel[NEXT68K_LABEL_MAXBFLEN]; /* default kernel name */
 1190         char    cd_hostname[NEXT68K_LABEL_MAXHNLEN];
 1191                                 /* host name (usu. where disk was labeled) */
 1192         char    cd_rootpartition;       /* root partition letter e.g. 'a' */
 1193         char    cd_rwpartition;         /* r/w partition letter e.g. 'b' */
 1194         struct next68k_partition cd_partitions[NEXT68K_LABEL_MAXPARTITIONS];
 1195 
 1196         union {
 1197                 uint16_t CD_v3_checksum; /* label version 3 checksum */
 1198                 int32_t CD_bad[NEXT68K_LABEL_NBAD];
 1199                                         /* block number that is bad */
 1200         } cd_un;
 1201         uint16_t cd_checksum;           /* label version 1 or 2 checksum */
 1202 } __packed;
 1203 
 1204 #define NEXT68K_LABEL_cd_checksum       cd_checksum
 1205 #define NEXT68K_LABEL_cd_v3_checksum    cd_un.CD_v3_checksum
 1206 #define NEXT68K_LABEL_cd_bad            cd_un.CD_bad
 1207 
 1208 #define NEXT68K_LABEL_SECTOR            0       /* sector containing label */
 1209 #define NEXT68K_LABEL_OFFSET            0       /* offset of label in sector */
 1210 #define NEXT68K_LABEL_SIZE              8192    /* size of label */
 1211 #define NEXT68K_LABEL_CD_V1             0x4e655854 /* version #1: "NeXT" */
 1212 #define NEXT68K_LABEL_CD_V2             0x646c5632 /* version #2: "dlV2" */
 1213 #define NEXT68K_LABEL_CD_V3             0x646c5633 /* version #3: "dlV3" */
 1214 #define NEXT68K_LABEL_DEFAULTFRONTPORCH (160 * 2)
 1215 #define NEXT68K_LABEL_DEFAULTBOOT0_1    (32 * 2)
 1216 #define NEXT68K_LABEL_DEFAULTBOOT0_2    (96 * 2)
 1217 
 1218 /* ------------------------------------------
 1219  * pmax --
 1220  *      PMAX (DECstation / MIPS) boot block information
 1221  */
 1222 
 1223 /*
 1224  * If mode is 0, there is just one sequence of blocks and one Dec_BootMap
 1225  * is used.  If mode is 1, there are multiple sequences of blocks
 1226  * and multiple Dec_BootMaps are used, the last with numBlocks = 0.
 1227  */
 1228 struct pmax_boot_map {
 1229         int32_t num_blocks;             /* Number of blocks to read. */
 1230         int32_t start_block;            /* Starting block on disk. */
 1231 };
 1232 
 1233 /*
 1234  * This is the structure of a disk or tape boot block.  The boot_map
 1235  * can either be a single boot count and start block (contiguous mode)
 1236  * or a list of up to 61 (to fill a 512 byte sector) block count and
 1237  * start block pairs.  Under NetBSD, contiguous mode is always used.
 1238  */
 1239 struct pmax_boot_block {
 1240         uint8_t         pad[8];
 1241         int32_t         magic;                  /* PMAX_BOOT_MAGIC */
 1242         int32_t         mode;                   /* Mode for boot info. */
 1243         uint32_t        load_addr;              /* Address to start loading. */
 1244         uint32_t        exec_addr;              /* Address to start execing. */
 1245         struct          pmax_boot_map map[61];  /* boot program section(s). */
 1246 } __packed;
 1247 
 1248 #define PMAX_BOOT_MAGIC                 0x0002757a
 1249 #define PMAX_BOOTMODE_CONTIGUOUS        0
 1250 #define PMAX_BOOTMODE_SCATTERED         1
 1251 
 1252 #define PMAX_BOOT_BLOCK_OFFSET          0
 1253 #define PMAX_BOOT_BLOCK_BLOCKSIZE       512
 1254 
 1255 
 1256 /* ------------------------------------------
 1257  * sgimips
 1258  */
 1259 
 1260 /*
 1261  * Some IRIX man pages refer to the size being a multiple of whole cylinders.
 1262  * Later ones only refer to the size being "typically" 2MB.  IRIX fx(1)
 1263  * uses a default drive geometry if one can't be determined, suggesting
 1264  * that "whole cylinder" multiples are not required.
 1265  */
 1266 
 1267 #define SGI_BOOT_BLOCK_SIZE_VOLHDR      3135
 1268 #define SGI_BOOT_BLOCK_MAGIC            0xbe5a941
 1269 #define SGI_BOOT_BLOCK_MAXPARTITIONS    16
 1270 #define SGI_BOOT_BLOCK_BLOCKSIZE        512
 1271 
 1272 /*
 1273  * SGI partition conventions:
 1274  *
 1275  * Partition 0 - root
 1276  * Partition 1 - swap
 1277  * Partition 6 - usr
 1278  * Partition 7 - volume body
 1279  * Partition 8 - volume header
 1280  * Partition 10 - whole disk
 1281  */
 1282 
 1283 struct sgi_boot_devparms {
 1284         uint8_t         dp_skew;
 1285         uint8_t         dp_gap1;
 1286         uint8_t         dp_gap2;
 1287         uint8_t         dp_spares_cyl;
 1288         uint16_t        dp_cyls;
 1289         uint16_t        dp_shd0;
 1290         uint16_t        dp_trks0;
 1291         uint8_t         dp_ctq_depth;
 1292         uint8_t         dp_cylshi;
 1293         uint16_t        dp_unused;
 1294         uint16_t        dp_secs;
 1295         uint16_t        dp_secbytes;
 1296         uint16_t        dp_interleave;
 1297         uint32_t        dp_flags;
 1298         uint32_t        dp_datarate;
 1299         uint32_t        dp_nretries;
 1300         uint32_t        dp_mspw;
 1301         uint16_t        dp_xgap1;
 1302         uint16_t        dp_xsync;
 1303         uint16_t        dp_xrdly;
 1304         uint16_t        dp_xgap2;
 1305         uint16_t        dp_xrgate;
 1306         uint16_t        dp_xwcont;
 1307 } __packed;
 1308 
 1309 struct sgi_boot_block {
 1310         uint32_t        magic;
 1311         int16_t         root;
 1312         int16_t         swap;
 1313         char            bootfile[16];
 1314         struct sgi_boot_devparms dp;
 1315         struct {
 1316                 char            name[8];
 1317                 int32_t         block;
 1318                 int32_t         bytes;
 1319         }               voldir[15];
 1320         struct {
 1321                 int32_t         blocks;
 1322                 int32_t         first;
 1323                 int32_t         type;
 1324         }               partitions[SGI_BOOT_BLOCK_MAXPARTITIONS];
 1325         int32_t         checksum;
 1326         int32_t         _pad;
 1327 } __packed;
 1328 
 1329 #define SGI_PTYPE_VOLHDR        0
 1330 #define SGI_PTYPE_RAW           3
 1331 #define SGI_PTYPE_BSD           4
 1332 #define SGI_PTYPE_VOLUME        6
 1333 #define SGI_PTYPE_EFS           7
 1334 #define SGI_PTYPE_LVOL          8
 1335 #define SGI_PTYPE_RLVOL         9
 1336 #define SGI_PTYPE_XFS           10
 1337 #define SGI_PTYPE_XFSLOG        11
 1338 #define SGI_PTYPE_XLV           12
 1339 #define SGI_PTYPE_XVM           13
 1340 
 1341 /* ------------------------------------------
 1342  * sparc
 1343  */
 1344 
 1345 #define SPARC_BOOT_BLOCK_OFFSET         512
 1346 #define SPARC_BOOT_BLOCK_BLOCKSIZE      512
 1347 #define SPARC_BOOT_BLOCK_MAX_SIZE       (512 * 15)
 1348         /* Magic string -- 32 bytes long (including the NUL) */
 1349 #define SPARC_BBINFO_MAGIC              "NetBSD/sparc bootxx    20020515"
 1350 
 1351 
 1352 /* ------------------------------------------
 1353  * sparc64
 1354  */
 1355 
 1356 #define SPARC64_BOOT_BLOCK_OFFSET       512
 1357 #define SPARC64_BOOT_BLOCK_BLOCKSIZE    512
 1358 #define SPARC64_BOOT_BLOCK_MAX_SIZE     (512 * 15)
 1359 
 1360 
 1361 /* ------------------------------------------
 1362  * sun68k (sun2, sun3)
 1363  */
 1364 
 1365 #define SUN68K_BOOT_BLOCK_OFFSET        512
 1366 #define SUN68K_BOOT_BLOCK_BLOCKSIZE     512
 1367 #define SUN68K_BOOT_BLOCK_MAX_SIZE      (512 * 15)
 1368         /* Magic string -- 32 bytes long (including the NUL) */
 1369 #define SUN68K_BBINFO_MAGIC             "NetBSD/sun68k bootxx   20020515"
 1370 
 1371 
 1372 /* ------------------------------------------
 1373  * vax --
 1374  *      VAX boot block information
 1375  */
 1376 
 1377 struct vax_boot_block {
 1378 /* Note that these don't overlap any of the pmax boot block */
 1379         uint8_t         pad0[2];
 1380         uint8_t         bb_id_offset;   /* offset in words to id (magic1)*/
 1381         uint8_t         bb_mbone;       /* must be one */
 1382         uint16_t        bb_lbn_hi;      /* lbn (hi word) of bootstrap */
 1383         uint16_t        bb_lbn_low;     /* lbn (low word) of bootstrap */
 1384         uint8_t         pad1[332];
 1385 
 1386         /* The rest of these fields are identification area and describe
 1387          * the secondary block for uVAX VMB.
 1388          */
 1389         uint8_t         bb_magic1;      /* magic number */
 1390         uint8_t         bb_mbz1;        /* must be zero */
 1391         uint8_t         bb_pad1;        /* any value */
 1392         uint8_t         bb_sum1;        /* ~(magic1 + mbz1 + pad1) */
 1393 
 1394         uint8_t         bb_mbz2;        /* must be zero */
 1395         uint8_t         bb_volinfo;     /* volinfo */
 1396         uint8_t         bb_pad2a;       /* any value */
 1397         uint8_t         bb_pad2b;       /* any value */
 1398 
 1399         uint32_t        bb_size;        /* size in blocks of bootstrap */
 1400         uint32_t        bb_load;        /* load offset to bootstrap */
 1401         uint32_t        bb_entry;       /* byte offset in bootstrap */
 1402         uint32_t        bb_sum3;        /* sum of previous 3 fields */
 1403 
 1404         /* The rest is unused.
 1405          */
 1406         uint8_t         pad2[148];
 1407 } __packed;
 1408 
 1409 #define VAX_BOOT_MAGIC1                 0x18    /* size of BB info? */
 1410 #define VAX_BOOT_VOLINFO_NONE           0x00    /* no special info */
 1411 #define VAX_BOOT_VOLINFO_SS             0x01    /* single sided */
 1412 #define VAX_BOOT_VOLINFO_DS             0x81    /* double sided */
 1413 
 1414 #define VAX_BOOT_SIZE                   15      /* 15 blocks */
 1415 #define VAX_BOOT_LOAD                   0       /* no load offset */
 1416 #define VAX_BOOT_ENTRY                  0x200   /* one block in */
 1417 
 1418 #define VAX_BOOT_BLOCK_OFFSET           0
 1419 #define VAX_BOOT_BLOCK_BLOCKSIZE        512
 1420 
 1421 
 1422 /* ------------------------------------------
 1423  * x68k
 1424  */
 1425 
 1426 #define X68K_BOOT_BLOCK_OFFSET          0
 1427 #define X68K_BOOT_BLOCK_BLOCKSIZE       512
 1428 #define X68K_BOOT_BLOCK_MAX_SIZE        (512 * 16)
 1429         /* Magic string -- 32 bytes long (including the NUL) */
 1430 #define X68K_BBINFO_MAGIC               "NetBSD/x68k bootxx     20020601"
 1431 
 1432 #endif  /* !defined(__ASSEMBLER__) */                           /* } */
 1433 
 1434 #endif  /* !_SYS_BOOTBLOCK_H */

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