LCOM1920-T02G10

/*        $NetBSD: bootblock.h,v 1.57 2014/09/14 17:39:06 nonaka Exp $        */

/*-

 * Copyright (c) 2002-2004 The NetBSD Foundation, Inc.

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS

 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED

 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS

 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

 * POSSIBILITY OF SUCH DAMAGE.

 */

/*-

 * Copyright (C) 1993        Allen K. Briggs, Chris P. Caputo,

 *                        Michael L. Finch, Bradley A. Grantham, and

 *                        Lawrence A. Kesteloot

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 3. All advertising materials mentioning features or use of this software

 *    must display the following acknowledgement:

 *        This product includes software developed by the Alice Group.

 * 4. The names of the Alice Group or any of its members may not be used

 *    to endorse or promote products derived from this software without

 *    specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE ALICE GROUP ``AS IS'' AND ANY EXPRESS OR

 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

 * IN NO EVENT SHALL THE ALICE GROUP BE LIABLE FOR ANY DIRECT, INDIRECT,

 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 *

 */

/*

 * Copyright (c) 1994, 1999 Christopher G. Demetriou

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 3. All advertising materials mentioning features or use of this software

 *    must display the following acknowledgement:

 *      This product includes software developed by Christopher G. Demetriou

 *      for the NetBSD Project.

 * 4. The name of the author may not be used to endorse or promote products

 *    derived from this software without specific prior written permission

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR

 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,

 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

/*

 * Copyright (c) 1994 Rolf Grossmann

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 3. All advertising materials mentioning features or use of this software

 *    must display the following acknowledgement:

 *      This product includes software developed by Rolf Grossmann.

 * 4. The name of the author may not be used to endorse or promote products

 *    derived from this software without specific prior written permission

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR

 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,

 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#ifndef _SYS_BOOTBLOCK_H

#define        _SYS_BOOTBLOCK_H

#if !defined(__ASSEMBLER__)

#include <sys/cdefs.h>

#if defined(_KERNEL) || defined(_STANDALONE)

#include <sys/stdint.h>

#else

#include <stdint.h>

#endif

#endif        /* !defined(__ASSEMBLER__) */

/* ------------------------------------------

 * MBR (Master Boot Record) --

 *        definitions for systems that use MBRs

 */

/*

 * Layout of boot records:

 *

 *        Byte range        Use        Description

 *        ----------        ---        -----------

 *

 *        0 - 2                FMP        JMP xxx, NOP

 *        3 - 10                FP        OEM Name

 *

 *        11 - 61                FMP        FAT12/16 BPB

 *                                Whilst not strictly necessary for MBR,

 *                                GRUB reserves this area

 *

 *        11 - 89                P        FAT32 BPB

 *                                (are we ever going to boot off this?)

 *

 *

 *        62 - 217        FMP        Boot code

 *

 *        90 - 217        P        FAT32 boot code

 *

 *        218 - 223        M        Win95b/98/me "drive time"

 *                http://www.geocities.com/thestarman3/asm/mbr/95BMEMBR.htm#MYST

 *                                only changed if all 6 bytes are 0

 *

 *        224 - 436        FMP        boot code (continued)

 *

 *        437 - 439        M        WinNT/2K/XP MBR "boot language"

 *                http://www.geocities.com/thestarman3/asm/mbr/Win2kmbr.htm

 *                                not needed by us

 *

 *        400 - 439        MP        NetBSD: mbr_bootsel

 *

 *        424 - 439        M        NetBSD: bootptn_guid (in GPT PMBR only)

 *

 *        440 - 443        M        WinNT/2K/XP Drive Serial Number (NT DSN)

 *                http://www.geocities.com/thestarman3/asm/mbr/Win2kmbr.htm

 *

 *        444 - 445        FMP        bootcode or unused

 *                                NetBSD: mbr_bootsel_magic

 *

 *        446 - 509        M        partition table

 *

 *        510 - 511        FMP        magic number (0xAA55)

 *

 *        Use:

 *        ----

 *        F        Floppy boot sector

 *        M        Master Boot Record

 *        P        Partition Boot record

 *

 */

/*

 * MBR (Master Boot Record)

 */

#define        MBR_BBSECTOR                0        /* MBR relative sector # */

#define        MBR_BPB_OFFSET                11        /* offsetof(mbr_sector, mbr_bpb) */

#define        MBR_BOOTCODE_OFFSET        90        /* offsetof(mbr_sector, mbr_bootcode) */

#define        MBR_BS_OFFSET                400        /* offsetof(mbr_sector, mbr_bootsel) */

#define        MBR_BS_OLD_OFFSET        404        /* where mbr_bootsel used to be */

#define        MBR_GPT_GUID_OFFSET        424        /* location of partition GUID to boot */

#define        MBR_GPT_GUID_DEFAULT                /* default uninitialized GUID */ \

        {0xeee69d04,0x02f4,0x11e0,0x8f,0x5d,{0x00,0xe0,0x81,0x52,0x9a,0x6b}}

#define        MBR_DSN_OFFSET                440        /* offsetof(mbr_sector, mbr_dsn) */

#define        MBR_BS_MAGIC_OFFSET        444        /* offsetof(mbr_sector, mbr_bootsel_magic) */

#define        MBR_PART_OFFSET                446        /* offsetof(mbr_sector, mbr_part[0]) */

#define        MBR_MAGIC_OFFSET        510        /* offsetof(mbr_sector, mbr_magic) */

#define        MBR_MAGIC                0xaa55        /* MBR magic number */

#define        MBR_BS_MAGIC                0xb5e1        /* mbr_bootsel magic number */

#define        MBR_PART_COUNT                4        /* Number of partitions in MBR */

#define        MBR_BS_PARTNAMESIZE        8        /* Size of name mbr_bootsel nametab */

                                        /* (excluding trailing NUL) */

                /* values for mbr_partition.mbrp_flag */

#define        MBR_PFLAG_ACTIVE        0x80        /* The active partition */

                /* values for mbr_partition.mbrp_type */

#define        MBR_PTYPE_UNUSED        0x00        /* Unused */

#define        MBR_PTYPE_FAT12                0x01        /* 12-bit FAT */

#define        MBR_PTYPE_XENIX_ROOT        0x02        /* XENIX / */

#define        MBR_PTYPE_XENIX_USR        0x03        /* XENIX /usr */

#define        MBR_PTYPE_FAT16S        0x04        /* 16-bit FAT, less than 32M */

#define        MBR_PTYPE_EXT                0x05        /* extended partition */

#define        MBR_PTYPE_FAT16B        0x06        /* 16-bit FAT, more than 32M */

#define        MBR_PTYPE_NTFS                0x07        /* OS/2 HPFS, NTFS, QNX2, Adv. UNIX */

#define        MBR_PTYPE_DELL                0x08        /* AIX or os, or etc. */

#define MBR_PTYPE_AIX_BOOT        0x09        /* AIX boot partition or Coherent */

#define MBR_PTYPE_OS2_BOOT        0x0a        /* O/2 boot manager or Coherent swap */

#define        MBR_PTYPE_FAT32                0x0b        /* 32-bit FAT */

#define        MBR_PTYPE_FAT32L        0x0c        /* 32-bit FAT, LBA-mapped */

#define        MBR_PTYPE_7XXX                0x0d        /* 7XXX, LBA-mapped */

#define        MBR_PTYPE_FAT16L        0x0e        /* 16-bit FAT, LBA-mapped */

#define        MBR_PTYPE_EXT_LBA        0x0f        /* extended partition, LBA-mapped */

#define        MBR_PTYPE_OPUS                0x10        /* OPUS */

#define MBR_PTYPE_OS2_DOS12        0x11         /* OS/2 DOS 12-bit FAT */

#define MBR_PTYPE_COMPAQ_DIAG        0x12         /* Compaq diagnostics */

#define MBR_PTYPE_OS2_DOS16S        0x14         /* OS/2 DOS 16-bit FAT <32M */

#define MBR_PTYPE_OS2_DOS16B        0x16         /* OS/2 DOS 16-bit FAT >=32M */

#define MBR_PTYPE_OS2_IFS        0x17         /* OS/2 hidden IFS */

#define MBR_PTYPE_AST_SWAP        0x18         /* AST Windows swapfile */

#define MBR_PTYPE_WILLOWTECH        0x19         /* Willowtech Photon coS */

#define MBR_PTYPE_HID_FAT32        0x1b         /* hidden win95 fat 32 */

#define MBR_PTYPE_HID_FAT32_LBA        0x1c         /* hidden win95 fat 32 lba */

#define MBR_PTYPE_HID_FAT16_LBA        0x1d        /* hidden win95 fat 16 lba */

#define MBR_PTYPE_WILLOWSOFT        0x20         /* Willowsoft OFS1 */

#define MBR_PTYPE_RESERVED_x21        0x21         /* reserved */

#define MBR_PTYPE_RESERVED_x23        0x23         /* reserved */

#define MBR_PTYPE_RESERVED_x24        0x24        /* NEC DOS */

#define MBR_PTYPE_RESERVED_x26        0x26         /* reserved */

#define MBR_PTYPE_RESERVED_x31        0x31         /* reserved */

#define MBR_PTYPE_NOS                0x32        /* Alien Internet Services NOS */

#define MBR_PTYPE_RESERVED_x33        0x33         /* reserved */

#define MBR_PTYPE_RESERVED_x34        0x34         /* reserved */

#define MBR_PTYPE_OS2_JFS        0x35         /* JFS on OS2 */

#define MBR_PTYPE_RESERVED_x36        0x36         /* reserved */

#define MBR_PTYPE_THEOS                0x38         /* Theos */

#define MBR_PTYPE_PLAN9                0x39         /* Plan 9, or Theos spanned */

#define MBR_PTYPE_THEOS_4GB        0x3a         /* Theos ver 4 4gb partition */

#define MBR_PTYPE_THEOS_EXT        0x3b         /* Theos ve 4 extended partition */

#define MBR_PTYPE_PMRECOVERY        0x3c         /* PartitionMagic recovery */

#define MBR_PTYPE_HID_NETWARE        0x3d         /* Hidden Netware */

#define MBR_PTYPE_VENIX                0x40         /* VENIX 286 or LynxOS */

#define        MBR_PTYPE_PREP                0x41        /* PReP */

#define        MBR_PTYPE_DRDOS_LSWAP        0x42        /* linux swap sharing DRDOS disk */

#define        MBR_PTYPE_DRDOS_LINUX        0x43        /* linux sharing DRDOS disk */

#define        MBR_PTYPE_GOBACK        0x44        /* GoBack change utility */

#define        MBR_PTYPE_BOOT_US        0x45        /* Boot US Boot manager */

#define        MBR_PTYPE_EUMEL_x46        0x46        /* EUMEL/Elan or Ergos 3 */

#define        MBR_PTYPE_EUMEL_x47        0x47        /* EUMEL/Elan or Ergos 3 */

#define        MBR_PTYPE_EUMEL_x48        0x48        /* EUMEL/Elan or Ergos 3 */

#define        MBR_PTYPE_ALFS_THIN        0x4a        /* ALFX/THIN filesystem for DOS */

#define        MBR_PTYPE_OBERON        0x4c        /* Oberon partition */

#define MBR_PTYPE_QNX4X                0x4d         /* QNX4.x */

#define MBR_PTYPE_QNX4X_2        0x4e         /* QNX4.x 2nd part */

#define MBR_PTYPE_QNX4X_3        0x4f         /* QNX4.x 3rd part */

#define MBR_PTYPE_DM                0x50         /* DM (disk manager) */

#define MBR_PTYPE_DM6_AUX1        0x51         /* DM6 Aux1 (or Novell) */

#define MBR_PTYPE_CPM                0x52         /* CP/M or Microport SysV/AT */

#define MBR_PTYPE_DM6_AUX3        0x53         /* DM6 Aux3 */

#define        MBR_PTYPE_DM6_DDO        0x54        /* DM6 DDO */

#define MBR_PTYPE_EZDRIVE        0x55        /* EZ-Drive (disk manager) */

#define MBR_PTYPE_GOLDEN_BOW        0x56        /* Golden Bow (disk manager) */

#define MBR_PTYPE_DRIVE_PRO        0x57        /* Drive PRO */

#define MBR_PTYPE_PRIAM_EDISK        0x5c        /* Priam Edisk (disk manager) */

#define MBR_PTYPE_SPEEDSTOR        0x61        /* SpeedStor */

#define MBR_PTYPE_HURD                0x63        /* GNU HURD or Mach or Sys V/386 */

#define MBR_PTYPE_NOVELL_2XX        0x64        /* Novell Netware 2.xx or Speedstore */

#define MBR_PTYPE_NOVELL_3XX        0x65        /* Novell Netware 3.xx */

#define MBR_PTYPE_NOVELL_386        0x66        /* Novell 386 Netware */

#define MBR_PTYPE_NOVELL_x67        0x67        /* Novell */

#define MBR_PTYPE_NOVELL_x68        0x68        /* Novell */

#define MBR_PTYPE_NOVELL_x69        0x69        /* Novell */

#define MBR_PTYPE_DISKSECURE        0x70        /* DiskSecure Multi-Boot */

#define MBR_PTYPE_RESERVED_x71        0x71        /* reserved */

#define MBR_PTYPE_RESERVED_x73        0x73        /* reserved */

#define MBR_PTYPE_RESERVED_x74        0x74        /* reserved */

#define MBR_PTYPE_PCIX                0x75        /* PC/IX */

#define MBR_PTYPE_RESERVED_x76        0x76        /* reserved */

#define MBR_PTYPE_M2FS_M2CS        0x77        /* M2FS/M2CS partition */

#define MBR_PTYPE_XOSL_FS        0x78        /* XOSL boot loader filesystem */

#define MBR_PTYPE_MINIX_14A        0x80        /* MINIX until 1.4a */

#define MBR_PTYPE_MINIX_14B        0x81        /* MINIX since 1.4b */

#define        MBR_PTYPE_LNXSWAP        0x82        /* Linux swap or Solaris */

#define        MBR_PTYPE_LNXEXT2        0x83        /* Linux native */

#define MBR_PTYPE_OS2_C                0x84        /* OS/2 hidden C: drive */

#define        MBR_PTYPE_EXT_LNX        0x85        /* Linux extended partition */

#define        MBR_PTYPE_NTFATVOL         0x86        /* NT FAT volume set */

#define        MBR_PTYPE_NTFSVOL        0x87        /* NTFS volume set or HPFS mirrored */

#define        MBR_PTYPE_LNX_KERNEL        0x8a        /* Linux Kernel AiR-BOOT partition */

#define        MBR_PTYPE_FT_FAT32        0x8b        /* Legacy Fault tolerant FAT32 */

#define        MBR_PTYPE_FT_FAT32_EXT        0x8c        /* Legacy Fault tolerant FAT32 ext */

#define        MBR_PTYPE_HID_FR_FD_12        0x8d        /* Hidden free FDISK FAT12 */

#define        MBR_PTYPE_LNX_LVM        0x8e        /* Linux Logical Volume Manager */

#define        MBR_PTYPE_HID_FR_FD_16        0x90        /* Hidden free FDISK FAT16 */

#define        MBR_PTYPE_HID_FR_FD_EXT        0x91        /* Hidden free FDISK DOS EXT */

#define        MBR_PTYPE_HID_FR_FD_16B        0x92        /* Hidden free FDISK FAT16 Big */

#define MBR_PTYPE_AMOEBA_FS         0x93        /* Amoeba filesystem */

#define MBR_PTYPE_AMOEBA_BAD         0x94        /* Amoeba bad block table */

#define MBR_PTYPE_MIT_EXOPC         0x95        /* MIT EXOPC native partitions */

#define        MBR_PTYPE_HID_FR_FD_32        0x97        /* Hidden free FDISK FAT32 */

#define        MBR_PTYPE_DATALIGHT        0x98        /* Datalight ROM-DOS Super-Boot */

#define MBR_PTYPE_MYLEX         0x99        /* Mylex EISA SCSI */

#define        MBR_PTYPE_HID_FR_FD_16L        0x9a        /* Hidden free FDISK FAT16 LBA */

#define        MBR_PTYPE_HID_FR_FD_EXL        0x9b        /* Hidden free FDISK EXT LBA */

#define MBR_PTYPE_BSDI                 0x9f        /* BSDI? */

#define MBR_PTYPE_IBM_HIB        0xa0        /* IBM Thinkpad hibernation */

#define MBR_PTYPE_HP_VOL_xA1        0xa1        /* HP Volume expansion (SpeedStor) */

#define MBR_PTYPE_HP_VOL_xA3        0xa3        /* HP Volume expansion (SpeedStor) */

#define MBR_PTYPE_HP_VOL_xA4        0xa4        /* HP Volume expansion (SpeedStor) */

#define        MBR_PTYPE_386BSD        0xa5        /* 386BSD partition type */

#define        MBR_PTYPE_OPENBSD        0xa6        /* OpenBSD partition type */

#define        MBR_PTYPE_NEXTSTEP_486         0xa7        /* NeXTSTEP 486 */

#define        MBR_PTYPE_APPLE_UFS         0xa8        /* Apple UFS */

#define        MBR_PTYPE_NETBSD        0xa9        /* NetBSD partition type */

#define MBR_PTYPE_OLIVETTI        0xaa        /* Olivetty Fat12 1.44MB Service part */

#define MBR_PTYPE_APPLE_BOOT        0xab        /* Apple Boot */

#define MBR_PTYPE_SHAG_OS        0xae        /* SHAG OS filesystem */

#define MBR_PTYPE_APPLE_HFS        0xaf        /* Apple HFS */

#define MBR_PTYPE_BOOTSTAR_DUM        0xb0        /* BootStar Dummy */

#define MBR_PTYPE_RESERVED_xB1        0xb1        /* reserved */

#define MBR_PTYPE_RESERVED_xB3        0xb3        /* reserved */

#define MBR_PTYPE_RESERVED_xB4        0xb4        /* reserved */

#define MBR_PTYPE_RESERVED_xB6        0xb6        /* reserved */

#define MBR_PTYPE_BSDI_386        0xb7        /* BSDI BSD/386 filesystem */

#define MBR_PTYPE_BSDI_SWAP        0xb8        /* BSDI BSD/386 swap */

#define        MBR_PTYPE_BOOT_WIZARD        0xbb        /* Boot Wizard Hidden */

#define        MBR_PTYPE_SOLARIS_8        0xbe        /* Solaris 8 partition type */

#define        MBR_PTYPE_SOLARIS        0xbf        /* Solaris partition type */

#define MBR_PTYPE_CTOS                0xc0         /* CTOS */

#define MBR_PTYPE_DRDOS_FAT12        0xc1         /* DRDOS/sec (FAT-12) */

#define MBR_PTYPE_HID_LNX        0xc2         /* Hidden Linux */

#define MBR_PTYPE_HID_LNX_SWAP        0xc3         /* Hidden Linux swap */

#define MBR_PTYPE_DRDOS_FAT16S        0xc4         /* DRDOS/sec (FAT-16, < 32M) */

#define MBR_PTYPE_DRDOS_EXT        0xc5         /* DRDOS/sec (EXT) */

#define MBR_PTYPE_DRDOS_FAT16B        0xc6         /* DRDOS/sec (FAT-16, >= 32M) */

#define MBR_PTYPE_SYRINX        0xc7         /* Syrinx (Cyrnix?) or HPFS disabled */

#define MBR_PTYPE_DRDOS_8_xC8        0xc8         /* Reserved for DR-DOS 8.0+ */

#define MBR_PTYPE_DRDOS_8_xC9        0xc9         /* Reserved for DR-DOS 8.0+ */

#define MBR_PTYPE_DRDOS_8_xCA        0xca         /* Reserved for DR-DOS 8.0+ */

#define MBR_PTYPE_DRDOS_74_CHS        0xcb         /* DR-DOS 7.04+ Secured FAT32 CHS */

#define MBR_PTYPE_DRDOS_74_LBA        0xcc         /* DR-DOS 7.04+ Secured FAT32 LBA */

#define MBR_PTYPE_CTOS_MEMDUMP        0xcd        /* CTOS Memdump */

#define MBR_PTYPE_DRDOS_74_16X        0xce         /* DR-DOS 7.04+ FAT16X LBA */

#define MBR_PTYPE_DRDOS_74_EXT        0xcf         /* DR-DOS 7.04+ EXT LBA */

#define MBR_PTYPE_REAL32        0xd0         /* REAL/32 secure big partition */

#define MBR_PTYPE_MDOS_FAT12        0xd1         /* Old Multiuser DOS FAT12 */

#define MBR_PTYPE_MDOS_FAT16S        0xd4         /* Old Multiuser DOS FAT16 Small */

#define MBR_PTYPE_MDOS_EXT        0xd5         /* Old Multiuser DOS Extended */

#define MBR_PTYPE_MDOS_FAT16B        0xd6         /* Old Multiuser DOS FAT16 Big */

#define MBR_PTYPE_CPM_86        0xd8         /* CP/M 86 */

#define MBR_PTYPE_CONCURRENT        0xdb         /* CP/M or Concurrent CP/M */

#define MBR_PTYPE_HID_CTOS_MEM        0xdd         /* Hidden CTOS Memdump */

#define MBR_PTYPE_DELL_UTIL        0xde         /* Dell PowerEdge Server utilities */

#define MBR_PTYPE_DGUX_VIRTUAL        0xdf         /* DG/UX virtual disk manager */

#define MBR_PTYPE_STMICROELEC        0xe0         /* STMicroelectronics ST AVFS */

#define MBR_PTYPE_DOS_ACCESS        0xe1         /* DOS access or SpeedStor 12-bit */

#define MBR_PTYPE_STORDIM        0xe3         /* DOS R/O or Storage Dimensions */

#define MBR_PTYPE_SPEEDSTOR_16S        0xe4         /* SpeedStor 16-bit FAT < 1024 cyl. */

#define MBR_PTYPE_RESERVED_xE5        0xe5        /* reserved */

#define MBR_PTYPE_RESERVED_xE6        0xe6        /* reserved */

#define MBR_PTYPE_BEOS                0xeb         /* BeOS */

#define        MBR_PTYPE_PMBR                0xee        /* GPT Protective MBR */

#define        MBR_PTYPE_EFI                0xef        /* EFI system partition */

#define MBR_PTYPE_LNX_PA_RISC        0xf0         /* Linux PA-RISC boot loader */

#define MBR_PTYPE_SPEEDSTOR_X        0xf1         /* SpeedStor or Storage Dimensions */

#define MBR_PTYPE_DOS33_SEC        0xf2         /* DOS 3.3+ Secondary */

#define MBR_PTYPE_RESERVED_xF3        0xf3        /* reserved */

#define MBR_PTYPE_SPEEDSTOR_L        0xf4        /* SpeedStor large partition */

#define MBR_PTYPE_PROLOGUE        0xf5        /* Prologue multi-volumen partition */

#define MBR_PTYPE_RESERVED_xF6        0xf6         /* reserved */

#define MBR_PTYPE_PCACHE        0xf9         /* pCache: ext2/ext3 persistent cache */

#define MBR_PTYPE_BOCHS                0xfa         /* Bochs x86 emulator */

#define MBR_PTYPE_VMWARE        0xfb         /* VMware File System */

#define MBR_PTYPE_VMWARE_SWAP        0xfc         /* VMware Swap */

#define MBR_PTYPE_LNX_RAID        0xfd         /* Linux RAID partition persistent sb */

#define MBR_PTYPE_LANSTEP        0xfe        /* LANstep or IBM PS/2 IML */

#define MBR_PTYPE_XENIX_BAD        0xff         /* Xenix Bad Block Table */

#ifdef MBRPTYPENAMES

static const struct mbr_ptype {

        int id;

        const char *name;

} mbr_ptypes[] = {

        { MBR_PTYPE_UNUSED, "<UNUSED>" },

        { MBR_PTYPE_FAT12, "Primary DOS with 12 bit FAT" },

        { MBR_PTYPE_XENIX_ROOT, "XENIX / filesystem" },

        { MBR_PTYPE_XENIX_USR, "XENIX /usr filesystem" },

        { MBR_PTYPE_FAT16S, "Primary DOS with 16 bit FAT <32M" },

        { MBR_PTYPE_EXT, "Extended partition" },

        { MBR_PTYPE_FAT16B, "Primary 'big' DOS, 16-bit FAT (> 32MB)" },

        { MBR_PTYPE_NTFS, "NTFS, OS/2 HPFS, QNX2 or Advanced UNIX" },

        { MBR_PTYPE_DELL, "AIX filesystem or OS/2 (thru v1.3) or DELL "

                          "multiple drives or Commodore DOS or SplitDrive" },

        { MBR_PTYPE_AIX_BOOT, "AIX boot partition or Coherent" },

        { MBR_PTYPE_OS2_BOOT, "OS/2 Boot Manager or Coherent swap or OPUS" },

        { MBR_PTYPE_FAT32, "Primary DOS with 32 bit FAT" },

        { MBR_PTYPE_FAT32L, "Primary DOS with 32 bit FAT - LBA" },

        { MBR_PTYPE_7XXX, "Type 7??? - LBA" },

        { MBR_PTYPE_FAT16L, "DOS (16-bit FAT) - LBA" },

        { MBR_PTYPE_EXT_LBA, "Ext. partition - LBA" },

        { MBR_PTYPE_OPUS, "OPUS" },

        { MBR_PTYPE_OS2_DOS12, "OS/2 BM: hidden DOS 12-bit FAT" },

        { MBR_PTYPE_COMPAQ_DIAG, "Compaq diagnostics" },

        { MBR_PTYPE_OS2_DOS16S, "OS/2 BM: hidden DOS 16-bit FAT <32M "

                                "or Novell DOS 7.0 bug" },

        { MBR_PTYPE_OS2_DOS16B, "OS/2 BM: hidden DOS 16-bit FAT >=32M" },

        { MBR_PTYPE_OS2_IFS, "OS/2 BM: hidden IFS" },

        { MBR_PTYPE_AST_SWAP, "AST Windows swapfile" },

        { MBR_PTYPE_WILLOWTECH, "Willowtech Photon coS" },

        { MBR_PTYPE_HID_FAT32, "hidden Windows/95 FAT32" },

        { MBR_PTYPE_HID_FAT32_LBA, "hidden Windows/95 FAT32 LBA" },

        { MBR_PTYPE_HID_FAT16_LBA, "hidden Windows/95 FAT16 LBA" },

        { MBR_PTYPE_WILLOWSOFT, "Willowsoft OFS1" },

        { MBR_PTYPE_RESERVED_x21, "reserved" },

        { MBR_PTYPE_RESERVED_x23, "reserved" },

        { MBR_PTYPE_RESERVED_x24, "NEC DOS"},

        { MBR_PTYPE_RESERVED_x26, "reserved" },

        { MBR_PTYPE_RESERVED_x31, "reserved" },

        { MBR_PTYPE_NOS, "Alien Internet Services NOS" },

        { MBR_PTYPE_RESERVED_x33, "reserved" },

        { MBR_PTYPE_RESERVED_x34, "reserved" },

        { MBR_PTYPE_OS2_JFS, "JFS on OS2" },

        { MBR_PTYPE_RESERVED_x36, "reserved" },

        { MBR_PTYPE_THEOS, "Theos" },

        { MBR_PTYPE_PLAN9, "Plan 9" },

        { MBR_PTYPE_PLAN9, "Plan 9, or Theos spanned" },

        { MBR_PTYPE_THEOS_4GB,        "Theos ver 4 4gb partition" },

        { MBR_PTYPE_THEOS_EXT,        "Theos ve 4 extended partition" },

        { MBR_PTYPE_PMRECOVERY, "PartitionMagic recovery" },

        { MBR_PTYPE_HID_NETWARE, "Hidden Netware" },

        { MBR_PTYPE_VENIX, "VENIX 286 or LynxOS" },

        { MBR_PTYPE_PREP, "Linux/MINIX (sharing disk with DRDOS) "

                          "or Personal RISC boot" },

        { MBR_PTYPE_DRDOS_LSWAP, "SFS or Linux swap "

                                 "(sharing disk with DRDOS)" },

        { MBR_PTYPE_DRDOS_LINUX, "Linux native (sharing disk with DRDOS)" },

        { MBR_PTYPE_GOBACK, "GoBack change utility" },

        { MBR_PTYPE_BOOT_US, "Boot US Boot manager" },

        { MBR_PTYPE_EUMEL_x46, "EUMEL/Elan or Ergos 3" },

        { MBR_PTYPE_EUMEL_x47, "EUMEL/Elan or Ergos 3" },

        { MBR_PTYPE_EUMEL_x48, "EUMEL/Elan or Ergos 3" },

        { MBR_PTYPE_ALFS_THIN, "ALFX/THIN filesystem for DOS" },

        { MBR_PTYPE_OBERON, "Oberon partition" },

        { MBR_PTYPE_QNX4X, "QNX4.x" },

        { MBR_PTYPE_QNX4X_2, "QNX4.x 2nd part" },

        { MBR_PTYPE_QNX4X_3, "QNX4.x 3rd part" },

        { MBR_PTYPE_DM, "DM (disk manager)" },

        { MBR_PTYPE_DM6_AUX1, "DM6 Aux1 (or Novell)" },

        { MBR_PTYPE_CPM, "CP/M or Microport SysV/AT" },

        { MBR_PTYPE_DM6_AUX3, "DM6 Aux3" },

        { MBR_PTYPE_DM6_DDO, "DM6 DDO" },

        { MBR_PTYPE_EZDRIVE, "EZ-Drive (disk manager)" },

        { MBR_PTYPE_GOLDEN_BOW, "Golden Bow (disk manager)" },

        { MBR_PTYPE_DRIVE_PRO, "Drive PRO" },

        { MBR_PTYPE_PRIAM_EDISK, "Priam Edisk (disk manager)" },

        { MBR_PTYPE_SPEEDSTOR, "SpeedStor" },

        { MBR_PTYPE_HURD, "GNU HURD or Mach or Sys V/386 "

                          "(such as ISC UNIX) or MtXinu" },

        { MBR_PTYPE_NOVELL_2XX, "Novell Netware 2.xx or Speedstore" },

        { MBR_PTYPE_NOVELL_3XX, "Novell Netware 3.xx" },

        { MBR_PTYPE_NOVELL_386, "Novell 386 Netware" },

        { MBR_PTYPE_NOVELL_x67, "Novell" },

        { MBR_PTYPE_NOVELL_x68, "Novell" },

        { MBR_PTYPE_NOVELL_x69, "Novell" },

        { MBR_PTYPE_DISKSECURE, "DiskSecure Multi-Boot" },

        { MBR_PTYPE_RESERVED_x71, "reserved" },

        { MBR_PTYPE_RESERVED_x73, "reserved" },

        { MBR_PTYPE_RESERVED_x74, "reserved" },

        { MBR_PTYPE_PCIX, "PC/IX" },

        { MBR_PTYPE_RESERVED_x76, "reserved" },

        { MBR_PTYPE_M2FS_M2CS,        "M2FS/M2CS partition" },

        { MBR_PTYPE_XOSL_FS, "XOSL boot loader filesystem" },

        { MBR_PTYPE_MINIX_14A, "MINIX until 1.4a" },

        { MBR_PTYPE_MINIX_14B, "MINIX since 1.4b, early Linux, Mitac dmgr" },

        { MBR_PTYPE_LNXSWAP, "Linux swap or Prime or Solaris" },

        { MBR_PTYPE_LNXEXT2, "Linux native" },

        { MBR_PTYPE_OS2_C, "OS/2 hidden C: drive" },

        { MBR_PTYPE_EXT_LNX, "Linux extended" },

        { MBR_PTYPE_NTFATVOL, "NT FAT volume set" },

        { MBR_PTYPE_NTFSVOL, "NTFS volume set or HPFS mirrored" },

        { MBR_PTYPE_LNX_KERNEL,        "Linux Kernel AiR-BOOT partition" },

        { MBR_PTYPE_FT_FAT32, "Legacy Fault tolerant FAT32" },

        { MBR_PTYPE_FT_FAT32_EXT, "Legacy Fault tolerant FAT32 ext" },

        { MBR_PTYPE_HID_FR_FD_12, "Hidden free FDISK FAT12" },

        { MBR_PTYPE_LNX_LVM, "Linux Logical Volume Manager" },

        { MBR_PTYPE_HID_FR_FD_16, "Hidden free FDISK FAT16" },

        { MBR_PTYPE_HID_FR_FD_EXT, "Hidden free FDISK DOS EXT" },

        { MBR_PTYPE_HID_FR_FD_16L, "Hidden free FDISK FAT16 Large" },

        { MBR_PTYPE_AMOEBA_FS, "Amoeba filesystem" },

        { MBR_PTYPE_AMOEBA_BAD, "Amoeba bad block table" },

        { MBR_PTYPE_MIT_EXOPC, "MIT EXOPC native partitions" },

        { MBR_PTYPE_HID_FR_FD_32, "Hidden free FDISK FAT32" },

        { MBR_PTYPE_DATALIGHT, "Datalight ROM-DOS Super-Boot" },

        { MBR_PTYPE_MYLEX, "Mylex EISA SCSI" },

        { MBR_PTYPE_HID_FR_FD_16L, "Hidden free FDISK FAT16 LBA" },

        { MBR_PTYPE_HID_FR_FD_EXL, "Hidden free FDISK EXT LBA" },

        { MBR_PTYPE_BSDI, "BSDI?" },

        { MBR_PTYPE_IBM_HIB, "IBM Thinkpad hibernation" },

        { MBR_PTYPE_HP_VOL_xA1, "HP Volume expansion (SpeedStor)" },

        { MBR_PTYPE_HP_VOL_xA3, "HP Volume expansion (SpeedStor)" },

        { MBR_PTYPE_HP_VOL_xA4, "HP Volume expansion (SpeedStor)" },

        { MBR_PTYPE_386BSD, "FreeBSD or 386BSD or old NetBSD" },

        { MBR_PTYPE_OPENBSD, "OpenBSD" },

        { MBR_PTYPE_NEXTSTEP_486, "NeXTSTEP 486" },

        { MBR_PTYPE_APPLE_UFS, "Apple UFS" },

        { MBR_PTYPE_NETBSD, "NetBSD" },

        { MBR_PTYPE_OLIVETTI, "Olivetty Fat12 1.44MB Service part" },

        { MBR_PTYPE_SHAG_OS, "SHAG OS filesystem" },

        { MBR_PTYPE_BOOTSTAR_DUM, "BootStar Dummy" },

        { MBR_PTYPE_BOOT_WIZARD, "Boot Wizard Hidden" },

        { MBR_PTYPE_APPLE_BOOT, "Apple Boot" },

        { MBR_PTYPE_APPLE_HFS, "Apple HFS" },

        { MBR_PTYPE_RESERVED_xB6, "reserved" },

        { MBR_PTYPE_RESERVED_xB6, "reserved" },

        { MBR_PTYPE_RESERVED_xB6, "reserved" },

        { MBR_PTYPE_RESERVED_xB6, "reserved" },

        { MBR_PTYPE_BSDI_386, "BSDI BSD/386 filesystem" },

        { MBR_PTYPE_BSDI_SWAP, "BSDI BSD/386 swap" },

        { MBR_PTYPE_SOLARIS_8, "Solaris 8 boot partition" },

        { MBR_PTYPE_SOLARIS, "Solaris boot partition" },

        { MBR_PTYPE_CTOS, "CTOS" },

        { MBR_PTYPE_DRDOS_FAT12, "DRDOS/sec (FAT-12)" },

        { MBR_PTYPE_HID_LNX, "Hidden Linux" },

        { MBR_PTYPE_HID_LNX_SWAP, "Hidden Linux Swap" },

        { MBR_PTYPE_DRDOS_FAT16S, "DRDOS/sec (FAT-16, < 32M)" },

        { MBR_PTYPE_DRDOS_EXT, "DRDOS/sec (EXT)" },

        { MBR_PTYPE_DRDOS_FAT16B, "DRDOS/sec (FAT-16, >= 32M)" },

        { MBR_PTYPE_SYRINX, "Syrinx (Cyrnix?) or HPFS disabled" },

        { MBR_PTYPE_DRDOS_8_xC8, "Reserved for DR-DOS 8.0+" },

        { MBR_PTYPE_DRDOS_8_xC9, "Reserved for DR-DOS 8.0+" },

        { MBR_PTYPE_DRDOS_8_xCA, "Reserved for DR-DOS 8.0+" },

        { MBR_PTYPE_DRDOS_74_CHS, "DR-DOS 7.04+ Secured FAT32 CHS" },

        { MBR_PTYPE_DRDOS_74_LBA, "DR-DOS 7.04+ Secured FAT32 LBA" },

        { MBR_PTYPE_CTOS_MEMDUMP, "CTOS Memdump" },

        { MBR_PTYPE_DRDOS_74_16X, "DR-DOS 7.04+ FAT16X LBA" },

        { MBR_PTYPE_DRDOS_74_EXT, "DR-DOS 7.04+ EXT LBA" },

        { MBR_PTYPE_REAL32, "REAL/32 secure big partition" },

        { MBR_PTYPE_MDOS_FAT12, "Old Multiuser DOS FAT12" },

        { MBR_PTYPE_MDOS_FAT16S, "Old Multiuser DOS FAT16 Small" },

        { MBR_PTYPE_MDOS_EXT, "Old Multiuser DOS Extended" },

        { MBR_PTYPE_MDOS_FAT16B, "Old Multiuser DOS FAT16 Big" },

        { MBR_PTYPE_CPM_86, "CP/M 86" },

        { MBR_PTYPE_CONCURRENT, "CP/M or Concurrent CP/M or Concurrent DOS "

                                "or CTOS" },

        { MBR_PTYPE_HID_CTOS_MEM, "Hidden CTOS Memdump" },

        { MBR_PTYPE_DELL_UTIL, "Dell PowerEdge Server utilities" },

        { MBR_PTYPE_DGUX_VIRTUAL, "DG/UX virtual disk manager" },

        { MBR_PTYPE_STMICROELEC, "STMicroelectronics ST AVFS" },

        { MBR_PTYPE_DOS_ACCESS, "DOS access or SpeedStor 12-bit FAT "

                                "extended partition" },

        { MBR_PTYPE_STORDIM, "DOS R/O or SpeedStor or Storage Dimensions" },

        { MBR_PTYPE_SPEEDSTOR_16S, "SpeedStor 16-bit FAT extended partition "

                                   "< 1024 cyl." },

        { MBR_PTYPE_RESERVED_xE5, "reserved" },

        { MBR_PTYPE_RESERVED_xE6, "reserved" },

        { MBR_PTYPE_BEOS, "BeOS" },

        { MBR_PTYPE_PMBR, "GPT Protective MBR" },

        { MBR_PTYPE_EFI, "EFI system partition" },

        { MBR_PTYPE_LNX_PA_RISC, "Linux PA-RISC boot loader" },

        { MBR_PTYPE_SPEEDSTOR_X, "SpeedStor or Storage Dimensions" },

        { MBR_PTYPE_DOS33_SEC, "DOS 3.3+ Secondary" },

        { MBR_PTYPE_RESERVED_xF3, "reserved" },

        { MBR_PTYPE_SPEEDSTOR_L, "SpeedStor large partition or "

                                 "Storage Dimensions" },

        { MBR_PTYPE_PROLOGUE, "Prologue multi-volumen partition" },

        { MBR_PTYPE_RESERVED_xF6, "reserved" },

        { MBR_PTYPE_PCACHE, "pCache: ext2/ext3 persistent cache" },

        { MBR_PTYPE_BOCHS, "Bochs x86 emulator" },

        { MBR_PTYPE_VMWARE, "VMware File System" },

        { MBR_PTYPE_VMWARE_SWAP, "VMware Swap" },

        { MBR_PTYPE_LNX_RAID, "Linux RAID partition persistent sb" },

        { MBR_PTYPE_LANSTEP, "SpeedStor >1024 cyl. or LANstep "

                             "or IBM PS/2 IML" },

        { MBR_PTYPE_XENIX_BAD, "Xenix Bad Block Table" },

};

#endif

#define        MBR_PSECT(s)                ((s) & 0x3f)

#define        MBR_PCYL(c, s)                ((c) + (((s) & 0xc0) << 2))

#define        MBR_IS_EXTENDED(x)        ((x) == MBR_PTYPE_EXT || \

                                 (x) == MBR_PTYPE_EXT_LBA || \

                                 (x) == MBR_PTYPE_EXT_LNX)

                /* values for mbr_bootsel.mbrbs_flags */

#define        MBR_BS_ACTIVE        0x01        /* Bootselector active (or code present) */

#define        MBR_BS_EXTINT13        0x02        /* Set by fdisk if LBA needed (deprecated) */

#define        MBR_BS_READ_LBA        0x04        /* Force LBA reads (deprecated) */

#define        MBR_BS_EXTLBA        0x08        /* Extended ptn capable (LBA reads) */

#define        MBR_BS_ASCII        0x10        /* Bootselect code needs ascii key code */

/* This is always set, the bootsel is located using the magic number...  */

#define        MBR_BS_NEWMBR        0x80        /* New bootsel at offset 440 */

#if !defined(__ASSEMBLER__)                                        /* { */

/*

 * (x86) BIOS Parameter Block for FAT12

 */

struct mbr_bpbFAT12 {

        uint16_t        bpbBytesPerSec;        /* bytes per sector */

        uint8_t                bpbSecPerClust;        /* sectors per cluster */

        uint16_t        bpbResSectors;        /* number of reserved sectors */

        uint8_t                bpbFATs;        /* number of FATs */

        uint16_t        bpbRootDirEnts;        /* number of root directory entries */

        uint16_t        bpbSectors;        /* total number of sectors */

        uint8_t                bpbMedia;        /* media descriptor */

        uint16_t        bpbFATsecs;        /* number of sectors per FAT */

        uint16_t        bpbSecPerTrack;        /* sectors per track */

        uint16_t        bpbHeads;        /* number of heads */

        uint16_t        bpbHiddenSecs;        /* # of hidden sectors */

} __packed;

/*

 * (x86) BIOS Parameter Block for FAT16

 */

struct mbr_bpbFAT16 {

        uint16_t        bpbBytesPerSec;        /* bytes per sector */

        uint8_t                bpbSecPerClust;        /* sectors per cluster */

        uint16_t        bpbResSectors;        /* number of reserved sectors */

        uint8_t                bpbFATs;        /* number of FATs */

        uint16_t        bpbRootDirEnts;        /* number of root directory entries */

        uint16_t        bpbSectors;        /* total number of sectors */

        uint8_t                bpbMedia;        /* media descriptor */

        uint16_t        bpbFATsecs;        /* number of sectors per FAT */

        uint16_t        bpbSecPerTrack;        /* sectors per track */

        uint16_t        bpbHeads;        /* number of heads */

        uint32_t        bpbHiddenSecs;        /* # of hidden sectors */

        uint32_t        bpbHugeSectors;        /* # of sectors if bpbSectors == 0 */

        uint8_t                bsDrvNum;        /* Int 0x13 drive number (e.g. 0x80) */

        uint8_t                bsReserved1;        /* Reserved; set to 0 */

        uint8_t                bsBootSig;        /* 0x29 if next 3 fields are present */

        uint8_t                bsVolID[4];        /* Volume serial number */

        uint8_t                bsVolLab[11];        /* Volume label */

        uint8_t                bsFileSysType[8];

                                        /* "FAT12   ", "FAT16   ", "FAT     " */

} __packed;

/*

 * (x86) BIOS Parameter Block for FAT32

 */

struct mbr_bpbFAT32 {

        uint16_t        bpbBytesPerSec;        /* bytes per sector */

        uint8_t                bpbSecPerClust;        /* sectors per cluster */

        uint16_t        bpbResSectors;        /* number of reserved sectors */

        uint8_t                bpbFATs;        /* number of FATs */

        uint16_t        bpbRootDirEnts;        /* number of root directory entries */

        uint16_t        bpbSectors;        /* total number of sectors */

        uint8_t                bpbMedia;        /* media descriptor */

        uint16_t        bpbFATsecs;        /* number of sectors per FAT */

        uint16_t        bpbSecPerTrack;        /* sectors per track */

        uint16_t        bpbHeads;        /* number of heads */

        uint32_t        bpbHiddenSecs;        /* # of hidden sectors */

        uint32_t        bpbHugeSectors;        /* # of sectors if bpbSectors == 0 */

        uint32_t        bpbBigFATsecs;        /* like bpbFATsecs for FAT32 */

        uint16_t        bpbExtFlags;        /* extended flags: */

#define        MBR_FAT32_FATNUM        0x0F        /*   mask for numbering active FAT */

#define        MBR_FAT32_FATMIRROR        0x80        /*   FAT is mirrored (as previously) */

        uint16_t        bpbFSVers;        /* filesystem version */

#define        MBR_FAT32_FSVERS        0        /*   currently only 0 is understood */

        uint32_t        bpbRootClust;        /* start cluster for root directory */

        uint16_t        bpbFSInfo;        /* filesystem info structure sector */

        uint16_t        bpbBackup;        /* backup boot sector */

        uint8_t                bsReserved[12];        /* Reserved for future expansion */

        uint8_t                bsDrvNum;        /* Int 0x13 drive number (e.g. 0x80) */

        uint8_t                bsReserved1;        /* Reserved; set to 0 */

        uint8_t                bsBootSig;        /* 0x29 if next 3 fields are present */

        uint8_t                bsVolID[4];        /* Volume serial number */

        uint8_t                bsVolLab[11];        /* Volume label */

        uint8_t                bsFileSysType[8]; /* "FAT32   " */

} __packed;

/*

 * (x86) MBR boot selector

 */

struct mbr_bootsel {

        uint8_t                mbrbs_defkey;

        uint8_t                mbrbs_flags;

        uint16_t        mbrbs_timeo;

        char                mbrbs_nametab[MBR_PART_COUNT][MBR_BS_PARTNAMESIZE + 1];

} __packed;

/*

 * MBR partition

 */

struct mbr_partition {

        uint8_t                mbrp_flag;        /* MBR partition flags */

        uint8_t                mbrp_shd;        /* Starting head */

        uint8_t                mbrp_ssect;        /* Starting sector */

        uint8_t                mbrp_scyl;        /* Starting cylinder */

        uint8_t                mbrp_type;        /* Partition type (see below) */

        uint8_t                mbrp_ehd;        /* End head */

        uint8_t                mbrp_esect;        /* End sector */

        uint8_t                mbrp_ecyl;        /* End cylinder */

        uint32_t        mbrp_start;        /* Absolute starting sector number */

        uint32_t        mbrp_size;        /* Partition size in sectors */

} __packed;

int xlat_mbr_fstype(int);        /* in sys/lib/libkern/xlat_mbr_fstype.c */

/*

 * MBR boot sector.

 * This is used by both the MBR (Master Boot Record) in sector 0 of the disk

 * and the PBR (Partition Boot Record) in sector 0 of an MBR partition.

 */

struct mbr_sector {

                                        /* Jump instruction to boot code.  */

                                        /* Usually 0xE9nnnn or 0xEBnn90 */

        uint8_t                        mbr_jmpboot[3];

                                        /* OEM name and version */

        uint8_t                        mbr_oemname[8];

        union {                                /* BIOS Parameter Block */

                struct mbr_bpbFAT12        bpb12;

                struct mbr_bpbFAT16        bpb16;

                struct mbr_bpbFAT32        bpb32;

        } mbr_bpb;

                                        /* Boot code */

        uint8_t                        mbr_bootcode[310];

                                        /* Config for /usr/mdec/mbr_bootsel */

        struct mbr_bootsel        mbr_bootsel;

                                        /* NT Drive Serial Number */

        uint32_t                mbr_dsn;

                                        /* mbr_bootsel magic */

        uint16_t                mbr_bootsel_magic;

                                        /* MBR partition table */

        struct mbr_partition        mbr_parts[MBR_PART_COUNT];

                                        /* MBR magic (0xaa55) */

        uint16_t                mbr_magic;

} __packed;

#endif        /* !defined(__ASSEMBLER__) */                                /* } */

/* ------------------------------------------

 * shared --

 *        definitions shared by many platforms

 */

#if !defined(__ASSEMBLER__)                                        /* { */

        /* Maximum # of blocks in bbi_block_table, each bbi_block_size long */

#define        SHARED_BBINFO_MAXBLOCKS        118        /* so sizeof(shared_bbinfo) == 512 */

struct shared_bbinfo {

        uint8_t bbi_magic[32];

        int32_t bbi_block_size;

        int32_t bbi_block_count;

        int32_t bbi_block_table[SHARED_BBINFO_MAXBLOCKS];

};

/* ------------------------------------------

 * alpha --

 *        Alpha (disk, but also tape) Boot Block.

 *

 *        See Section (III) 3.6.1 of the Alpha Architecture Reference Manual.

 */

struct alpha_boot_block {

        uint64_t bb_data[63];                /* data (disklabel, also as below) */

        uint64_t bb_cksum;                /* checksum of the boot block,

                                         * taken as uint64_t's

                                         */

};

#define        bb_secsize        bb_data[60]        /* secondary size (blocks) */

#define        bb_secstart        bb_data[61]        /* secondary start (blocks) */

#define        bb_flags        bb_data[62]        /* unknown flags (set to zero) */

#define        ALPHA_BOOT_BLOCK_OFFSET                0        /* offset of boot block. */

#define        ALPHA_BOOT_BLOCK_BLOCKSIZE        512        /* block size for sector

                                                 * size/start, and for boot

                                                 * block itself.

                                                 */

#define        ALPHA_BOOT_BLOCK_CKSUM(bb,cksum)                                \

        do {                                                                \

                const struct alpha_boot_block *_bb = (bb);                \

                uint64_t _cksum;                                        \

                size_t _i;                                                \

                                                                        \

                _cksum = 0;                                                \

                for (_i = 0;                                                \

                    _i < (sizeof _bb->bb_data / sizeof _bb->bb_data[0]); \

                    _i++)                                                \

                        _cksum += le64toh(_bb->bb_data[_i]);                \

                *(cksum) = htole64(_cksum);                                \

        } while (/*CONSTCOND*/ 0)

/* ------------------------------------------

 * apple --

 *        Apple computers boot block related information

 */

/*

 *        Driver Descriptor Map, from Inside Macintosh: Devices, SCSI Manager

 *        pp 12-13.  The driver descriptor map always resides on physical block 0.

 */

struct apple_drvr_descriptor {

        uint32_t        descBlock;        /* first block of driver */

        uint16_t        descSize;        /* driver size in blocks */

        uint16_t        descType;        /* system type */

} __packed;

/*

 *        system types; Apple reserves 0-15

 */

#define        APPLE_DRVR_TYPE_MACINTOSH        1

#define        APPLE_DRVR_MAP_MAGIC                0x4552

#define        APPLE_DRVR_MAP_MAX_DESCRIPTORS        61

struct apple_drvr_map {

        uint16_t        sbSig;                /* map signature */

        uint16_t        sbBlockSize;        /* block size of device */

        uint32_t        sbBlkCount;        /* number of blocks on device */

        uint16_t        sbDevType;        /* (used internally by ROM) */

        uint16_t        sbDevID;        /* (used internally by ROM) */

        uint32_t        sbData;                /* (used internally by ROM) */

        uint16_t        sbDrvrCount;        /* number of driver descriptors */

        struct apple_drvr_descriptor sb_dd[APPLE_DRVR_MAP_MAX_DESCRIPTORS];

        uint16_t        pad[3];

} __packed;

/*

 *        Partition map structure from Inside Macintosh: Devices, SCSI Manager

 *        pp. 13-14.  The partition map always begins on physical block 1.

 *

 *        With the exception of block 0, all blocks on the disk must belong to

 *        exactly one partition.  The partition map itself belongs to a partition

 *        of type `APPLE_PARTITION_MAP', and is not limited in size by anything

 *        other than available disk space.  The partition map is not necessarily

 *        the first partition listed.

 */

#define        APPLE_PART_MAP_ENTRY_MAGIC        0x504d

struct apple_part_map_entry {

        uint16_t        pmSig;                /* partition signature */

        uint16_t        pmSigPad;        /* (reserved) */

        uint32_t        pmMapBlkCnt;        /* number of blocks in partition map */

        uint32_t        pmPyPartStart;        /* first physical block of partition */

        uint32_t        pmPartBlkCnt;        /* number of blocks in partition */

        uint8_t                pmPartName[32];        /* partition name */

        uint8_t                pmPartType[32];        /* partition type */

        uint32_t        pmLgDataStart;        /* first logical block of data area */

        uint32_t        pmDataCnt;        /* number of blocks in data area */

        uint32_t        pmPartStatus;        /* partition status information */

/*

 * Partition Status Information from Apple Tech Note 1189

 */

#define        APPLE_PS_VALID                0x00000001        /* Entry is valid */

#define        APPLE_PS_ALLOCATED        0x00000002        /* Entry is allocated */