/* $NetBSD: bootblock.h,v 1.58 2017/04/29 00:05:35 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 #if defined(_KERNEL) || defined(_STANDALONE) #include #else #include #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, "" }, { 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 */ #define APPLE_PS_IN_USE 0x00000004 /* Entry in use */ #define APPLE_PS_BOOT_INFO 0x00000008 /* Entry contains boot info */ #define APPLE_PS_READABLE 0x00000010 /* Entry is readable */ #define APPLE_PS_WRITABLE 0x00000020 /* Entry is writable */ #define APPLE_PS_BOOT_CODE_PIC 0x00000040 /* Boot code has position * independent code */ #define APPLE_PS_CC_DRVR 0x00000100 /* Partition contains chain- * compatible driver */ #define APPLE_PS_RL_DRVR 0x00000200 /* Partition contains real * driver */ #define APPLE_PS_CH_DRVR 0x00000400 /* Partition contains chain * driver */ #define APPLE_PS_AUTO_MOUNT 0x40000000 /* Mount automatically at * startup */ #define APPLE_PS_STARTUP 0x80000000 /* Is the startup partition */ uint32_t pmLgBootStart; /* first logical block of boot code */ uint32_t pmBootSize; /* size of boot code, in bytes */ uint32_t pmBootLoad; /* boot code load address */ uint32_t pmBootLoad2; /* (reserved) */ uint32_t pmBootEntry; /* boot code entry point */ uint32_t pmBootEntry2; /* (reserved) */ uint32_t pmBootCksum; /* boot code checksum */ int8_t pmProcessor[16]; /* processor type (e.g. "68020") */ uint8_t pmBootArgs[128]; /* A/UX boot arguments */ uint8_t pad[248]; /* pad to end of block */ }; #define APPLE_PART_TYPE_DRIVER "APPLE_DRIVER" #define APPLE_PART_TYPE_DRIVER43 "APPLE_DRIVER43" #define APPLE_PART_TYPE_DRIVERATA "APPLE_DRIVER_ATA" #define APPLE_PART_TYPE_DRIVERIOKIT "APPLE_DRIVER_IOKIT" #define APPLE_PART_TYPE_FWDRIVER "APPLE_FWDRIVER" #define APPLE_PART_TYPE_FWB_COMPONENT "FWB DRIVER COMPONENTS" #define APPLE_PART_TYPE_FREE "APPLE_FREE" #define APPLE_PART_TYPE_MAC "APPLE_HFS" #define APPLE_PART_TYPE_NETBSD "NETBSD" #define APPLE_PART_TYPE_NBSD_PPCBOOT "NETBSD/MACPPC" #define APPLE_PART_TYPE_NBSD_68KBOOT "NETBSD/MAC68K" #define APPLE_PART_TYPE_PATCHES "APPLE_PATCHES" #define APPLE_PART_TYPE_PARTMAP "APPLE_PARTITION_MAP" #define APPLE_PART_TYPE_PATCHES "APPLE_PATCHES" #define APPLE_PART_TYPE_SCRATCH "APPLE_SCRATCH" #define APPLE_PART_TYPE_UNIX "APPLE_UNIX_SVR2" /* * "pmBootArgs" for APPLE_UNIX_SVR2 partition. * NetBSD/mac68k only uses Magic, Cluster, Type, and Flags. */ struct apple_blockzeroblock { uint32_t bzbMagic; uint8_t bzbCluster; uint8_t bzbType; uint16_t bzbBadBlockInode; uint16_t bzbFlags; uint16_t bzbReserved; uint32_t bzbCreationTime; uint32_t bzbMountTime; uint32_t bzbUMountTime; }; #define APPLE_BZB_MAGIC 0xABADBABE #define APPLE_BZB_TYPEFS 1 #define APPLE_BZB_TYPESWAP 3 #define APPLE_BZB_ROOTFS 0x8000 #define APPLE_BZB_USRFS 0x4000 /* ------------------------------------------ * ews4800mips * */ #define EWS4800MIPS_BBINFO_MAGIC "NetBSD/ews4800mips 20040611" #define EWS4800MIPS_BOOT_BLOCK_OFFSET 0 #define EWS4800MIPS_BOOT_BLOCK_BLOCKSIZE 512 #define EWS4800MIPS_BOOT_BLOCK_MAX_SIZE (512 * 8) /* ------------------------------------------ * hp300 * */ /* volume header for "LIF" format volumes */ struct hp300_lifvol { int16_t vol_id; char vol_label[6]; int32_t vol_addr; int16_t vol_oct; int16_t vol_dummy; int32_t vol_dirsize; int16_t vol_version; int16_t vol_zero; int32_t vol_huh1; int32_t vol_huh2; int32_t vol_length; }; /* LIF directory entry format */ struct hp300_lifdir { char dir_name[10]; int16_t dir_type; int32_t dir_addr; int32_t dir_length; char dir_toc[6]; int16_t dir_flag; int32_t dir_exec; }; /* load header for boot rom */ struct hp300_load { int32_t address; int32_t count; }; #define HP300_VOL_ID -32768 #define HP300_VOL_OCT 4096 #define HP300_DIR_TYPE -5822 #define HP300_DIR_FLAG 0x8001 /* dont ask me! */ #define HP300_SECTSIZE 256 /* ------------------------------------------ * hppa * */ /* * volume header for "LIF" format volumes */ struct hppa_lifvol { uint16_t vol_id; uint8_t vol_label[6]; uint32_t vol_addr; uint16_t vol_oct; uint16_t vol_dummy; uint32_t vol_dirsize; uint16_t vol_version; uint16_t vol_zero; uint32_t vol_number; uint32_t vol_lastvol; uint32_t vol_length; uint8_t vol_toc[6]; uint8_t vol_dummy1[198]; uint32_t ipl_addr; uint32_t ipl_size; uint32_t ipl_entry; uint32_t vol_dummy2; }; struct hppa_lifdir { uint8_t dir_name[10]; uint16_t dir_type; uint32_t dir_addr; uint32_t dir_length; uint8_t dir_toc[6]; uint16_t dir_flag; uint32_t dir_implement; }; struct hppa_lifload { int address; int count; }; #define HPPA_LIF_VOL_ID 0x8000 #define HPPA_LIF_VOL_OCT 0x1000 #define HPPA_LIF_DIR_SWAP 0x5243 #define HPPA_LIF_DIR_FS 0xcd38 #define HPPA_LIF_DIR_IOMAP 0xcd60 #define HPPA_LIF_DIR_HPUX 0xcd80 #define HPPA_LIF_DIR_ISL 0xce00 #define HPPA_LIF_DIR_PAD 0xcffe #define HPPA_LIF_DIR_AUTO 0xcfff #define HPPA_LIF_DIR_EST 0xd001 #define HPPA_LIF_DIR_TYPE 0xe942 #define HPPA_LIF_DIR_FLAG 0x8001 /* dont ask me! */ #define HPPA_LIF_SECTSIZE 256 #define HPPA_LIF_NUMDIR 8 #define HPPA_LIF_VOLSTART 0 #define HPPA_LIF_VOLSIZE sizeof(struct hppa_lifvol) #define HPPA_LIF_DIRSTART 2048 #define HPPA_LIF_DIRSIZE (HPPA_LIF_NUMDIR * sizeof(struct hppa_lifdir)) #define HPPA_LIF_FILESTART 4096 #define hppa_btolifs(b) (((b) + (HPPA_LIF_SECTSIZE - 1)) / HPPA_LIF_SECTSIZE) #define hppa_lifstob(s) ((s) * HPPA_LIF_SECTSIZE) #define hppa_lifstodb(s) ((s) * HPPA_LIF_SECTSIZE / DEV_BSIZE) /* ------------------------------------------ * x86 * */ /* * Parameters for NetBSD /boot written to start of pbr code by installboot */ struct x86_boot_params { uint32_t bp_length; /* length of patchable data */ uint32_t bp_flags; uint32_t bp_timeout; /* boot timeout in seconds */ uint32_t bp_consdev; uint32_t bp_conspeed; uint8_t bp_password[16]; /* md5 hash of password */ char bp_keymap[64]; /* keyboard translation map */ uint32_t bp_consaddr; /* ioaddr for console */ }; #endif /* !defined(__ASSEMBLER__) */ /* } */ #define X86_BOOT_MAGIC(n) ('x' << 24 | 0x86b << 12 | 'm' << 4 | (n)) #define X86_BOOT_MAGIC_1 X86_BOOT_MAGIC(1) /* pbr.S */ #define X86_BOOT_MAGIC_2 X86_BOOT_MAGIC(2) /* bootxx.S */ #define X86_BOOT_MAGIC_PXE X86_BOOT_MAGIC(3) /* start_pxe.S */ #define X86_BOOT_MAGIC_FAT X86_BOOT_MAGIC(4) /* fatboot.S */ #define X86_BOOT_MAGIC_EFI X86_BOOT_MAGIC(5) /* efiboot/start.S */ #define X86_MBR_GPT_MAGIC 0xedb88320 /* gpt.S */ /* values for bp_flags */ #define X86_BP_FLAGS_RESET_VIDEO 1 #define X86_BP_FLAGS_PASSWORD 2 #define X86_BP_FLAGS_NOMODULES 4 #define X86_BP_FLAGS_NOBOOTCONF 8 #define X86_BP_FLAGS_LBA64VALID 0x10 /* values for bp_consdev */ #define X86_BP_CONSDEV_PC 0 #define X86_BP_CONSDEV_COM0 1 #define X86_BP_CONSDEV_COM1 2 #define X86_BP_CONSDEV_COM2 3 #define X86_BP_CONSDEV_COM3 4 #define X86_BP_CONSDEV_COM0KBD 5 #define X86_BP_CONSDEV_COM1KBD 6 #define X86_BP_CONSDEV_COM2KBD 7 #define X86_BP_CONSDEV_COM3KBD 8 /* ------------------------------------------ * landisk */ #if !defined(__ASSEMBLER__) /* { */ /* * Parameters for NetBSD /boot written to start of pbr code by installboot */ struct landisk_boot_params { uint32_t bp_length; /* length of patchable data */ uint32_t bp_flags; uint32_t bp_timeout; /* boot timeout in seconds */ uint32_t bp_consdev; uint32_t bp_conspeed; }; #endif /* !defined(__ASSEMBLER__) */ /* } */ #define LANDISK_BOOT_MAGIC_1 0x20031125 #define LANDISK_BOOT_MAGIC_2 0x20041110 #if !defined(__ASSEMBLER__) /* { */ /* ------------------------------------------ * macppc */ #define MACPPC_BOOT_BLOCK_OFFSET 2048 #define MACPPC_BOOT_BLOCK_BLOCKSIZE 512 #define MACPPC_BOOT_BLOCK_MAX_SIZE 2048 /* XXX: could be up to 6144 */ /* Magic string -- 32 bytes long (including the NUL) */ #define MACPPC_BBINFO_MAGIC "NetBSD/macppc bootxx 20020515" /* ------------------------------------------ * news68k, newsmips */ #define NEWS_BOOT_BLOCK_LABELOFFSET 64 /* XXX from */ #define NEWS_BOOT_BLOCK_OFFSET 0 #define NEWS_BOOT_BLOCK_BLOCKSIZE 512 #define NEWS_BOOT_BLOCK_MAX_SIZE (512 * 16) /* Magic string -- 32 bytes long (including the NUL) */ #define NEWS68K_BBINFO_MAGIC "NetBSD/news68k bootxx 20020518" #define NEWSMIPS_BBINFO_MAGIC "NetBSD/newsmips bootxx 20020518" /* ------------------------------------------ * next68k */ #define NEXT68K_LABEL_MAXPARTITIONS 8 /* number of partitions in next68k_disklabel */ #define NEXT68K_LABEL_CPULBLLEN 24 #define NEXT68K_LABEL_MAXDNMLEN 24 #define NEXT68K_LABEL_MAXTYPLEN 24 #define NEXT68K_LABEL_MAXBFLEN 24 #define NEXT68K_LABEL_MAXHNLEN 32 #define NEXT68K_LABEL_MAXMPTLEN 16 #define NEXT68K_LABEL_MAXFSTLEN 8 #define NEXT68K_LABEL_NBAD 1670 /* sized to make label ~= 8KB */ struct next68k_partition { int32_t cp_offset; /* starting sector */ int32_t cp_size; /* number of sectors in partition */ int16_t cp_bsize; /* block size in bytes */ int16_t cp_fsize; /* filesystem basic fragment size */ char cp_opt; /* optimization type: 's'pace/'t'ime */ char cp_pad1; int16_t cp_cpg; /* filesystem cylinders per group */ int16_t cp_density; /* bytes per inode density */ int8_t cp_minfree; /* minfree (%) */ int8_t cp_newfs; /* run newfs during init */ char cp_mountpt[NEXT68K_LABEL_MAXMPTLEN]; /* default/standard mount point */ int8_t cp_automnt; /* auto-mount when inserted */ char cp_type[NEXT68K_LABEL_MAXFSTLEN]; /* file system type name */ char cp_pad2; } __packed; /* The disklabel the way it is on the disk */ struct next68k_disklabel { int32_t cd_version; /* label version */ int32_t cd_label_blkno; /* block # of this label */ int32_t cd_size; /* size of media area (sectors) */ char cd_label[NEXT68K_LABEL_CPULBLLEN]; /* disk name (label) */ uint32_t cd_flags; /* flags */ uint32_t cd_tag; /* volume tag */ char cd_name[NEXT68K_LABEL_MAXDNMLEN]; /* drive (hardware) name */ char cd_type[NEXT68K_LABEL_MAXTYPLEN]; /* drive type */ int32_t cd_secsize; /* # of bytes per sector */ int32_t cd_ntracks; /* # of tracks per cylinder */ int32_t cd_nsectors; /* # of data sectors per track */ int32_t cd_ncylinders; /* # of data cylinders per unit */ int32_t cd_rpm; /* rotational speed */ int16_t cd_front; /* # of sectors in "front porch" */ int16_t cd_back; /* # of sectors in "back porch" */ int16_t cd_ngroups; /* # of alt groups */ int16_t cd_ag_size; /* alt group size (sectors) */ int16_t cd_ag_alts; /* alternate sectors / alt group */ int16_t cd_ag_off; /* sector offset to first alternate */ int32_t cd_boot_blkno[2]; /* boot program locations */ char cd_kernel[NEXT68K_LABEL_MAXBFLEN]; /* default kernel name */ char cd_hostname[NEXT68K_LABEL_MAXHNLEN]; /* host name (usu. where disk was labeled) */ char cd_rootpartition; /* root partition letter e.g. 'a' */ char cd_rwpartition; /* r/w partition letter e.g. 'b' */ struct next68k_partition cd_partitions[NEXT68K_LABEL_MAXPARTITIONS]; union { uint16_t CD_v3_checksum; /* label version 3 checksum */ int32_t CD_bad[NEXT68K_LABEL_NBAD]; /* block number that is bad */ } cd_un; uint16_t cd_checksum; /* label version 1 or 2 checksum */ } __packed; #define NEXT68K_LABEL_cd_checksum cd_checksum #define NEXT68K_LABEL_cd_v3_checksum cd_un.CD_v3_checksum #define NEXT68K_LABEL_cd_bad cd_un.CD_bad #define NEXT68K_LABEL_SECTOR 0 /* sector containing label */ #define NEXT68K_LABEL_OFFSET 0 /* offset of label in sector */ #define NEXT68K_LABEL_SIZE 8192 /* size of label */ #define NEXT68K_LABEL_CD_V1 0x4e655854 /* version #1: "NeXT" */ #define NEXT68K_LABEL_CD_V2 0x646c5632 /* version #2: "dlV2" */ #define NEXT68K_LABEL_CD_V3 0x646c5633 /* version #3: "dlV3" */ #define NEXT68K_LABEL_DEFAULTFRONTPORCH (160 * 2) #define NEXT68K_LABEL_DEFAULTBOOT0_1 (32 * 2) #define NEXT68K_LABEL_DEFAULTBOOT0_2 (96 * 2) /* ------------------------------------------ * pmax -- * PMAX (DECstation / MIPS) boot block information */ /* * If mode is 0, there is just one sequence of blocks and one Dec_BootMap * is used. If mode is 1, there are multiple sequences of blocks * and multiple Dec_BootMaps are used, the last with numBlocks = 0. */ struct pmax_boot_map { int32_t num_blocks; /* Number of blocks to read. */ int32_t start_block; /* Starting block on disk. */ }; /* * This is the structure of a disk or tape boot block. The boot_map * can either be a single boot count and start block (contiguous mode) * or a list of up to 61 (to fill a 512 byte sector) block count and * start block pairs. Under NetBSD, contiguous mode is always used. */ struct pmax_boot_block { uint8_t pad[8]; int32_t magic; /* PMAX_BOOT_MAGIC */ int32_t mode; /* Mode for boot info. */ uint32_t load_addr; /* Address to start loading. */ uint32_t exec_addr; /* Address to start execing. */ struct pmax_boot_map map[61]; /* boot program section(s). */ } __packed; #define PMAX_BOOT_MAGIC 0x0002757a #define PMAX_BOOTMODE_CONTIGUOUS 0 #define PMAX_BOOTMODE_SCATTERED 1 #define PMAX_BOOT_BLOCK_OFFSET 0 #define PMAX_BOOT_BLOCK_BLOCKSIZE 512 /* ------------------------------------------ * sgimips */ /* * Some IRIX man pages refer to the size being a multiple of whole cylinders. * Later ones only refer to the size being "typically" 2MB. IRIX fx(1) * uses a default drive geometry if one can't be determined, suggesting * that "whole cylinder" multiples are not required. */ #define SGI_BOOT_BLOCK_SIZE_VOLHDR 3135 #define SGI_BOOT_BLOCK_MAGIC 0xbe5a941 #define SGI_BOOT_BLOCK_MAXPARTITIONS 16 #define SGI_BOOT_BLOCK_MAXVOLDIRS 15 #define SGI_BOOT_BLOCK_BLOCKSIZE 512 /* * SGI partition conventions: * * Partition 0 - root * Partition 1 - swap * Partition 6 - usr * Partition 7 - volume body * Partition 8 - volume header * Partition 10 - whole disk */ struct sgi_boot_devparms { uint8_t dp_skew; uint8_t dp_gap1; uint8_t dp_gap2; uint8_t dp_spares_cyl; uint16_t dp_cyls; uint16_t dp_shd0; uint16_t dp_trks0; uint8_t dp_ctq_depth; uint8_t dp_cylshi; uint16_t dp_unused; uint16_t dp_secs; uint16_t dp_secbytes; uint16_t dp_interleave; uint32_t dp_flags; uint32_t dp_datarate; uint32_t dp_nretries; uint32_t dp_mspw; uint16_t dp_xgap1; uint16_t dp_xsync; uint16_t dp_xrdly; uint16_t dp_xgap2; uint16_t dp_xrgate; uint16_t dp_xwcont; } __packed; struct sgi_boot_block { uint32_t magic; int16_t root; int16_t swap; char bootfile[16]; struct sgi_boot_devparms dp; struct { char name[8]; int32_t block; int32_t bytes; } voldir[SGI_BOOT_BLOCK_MAXVOLDIRS]; struct { int32_t blocks; int32_t first; int32_t type; } partitions[SGI_BOOT_BLOCK_MAXPARTITIONS]; int32_t checksum; int32_t _pad; } __packed; #define SGI_PTYPE_VOLHDR 0 #define SGI_PTYPE_TRKREPL 1 #define SGI_PTYPE_SECREPL 2 #define SGI_PTYPE_RAW 3 #define SGI_PTYPE_BSD 4 #define SGI_PTYPE_SYSV 5 #define SGI_PTYPE_VOLUME 6 #define SGI_PTYPE_EFS 7 #define SGI_PTYPE_LVOL 8 #define SGI_PTYPE_RLVOL 9 #define SGI_PTYPE_XFS 10 #define SGI_PTYPE_XFSLOG 11 #define SGI_PTYPE_XLV 12 #define SGI_PTYPE_XVM 13 /* ------------------------------------------ * sparc */ #define SPARC_BOOT_BLOCK_OFFSET 512 #define SPARC_BOOT_BLOCK_BLOCKSIZE 512 #define SPARC_BOOT_BLOCK_MAX_SIZE (512 * 15) /* Magic string -- 32 bytes long (including the NUL) */ #define SPARC_BBINFO_MAGIC "NetBSD/sparc bootxx 20020515" /* ------------------------------------------ * sparc64 */ #define SPARC64_BOOT_BLOCK_OFFSET 512 #define SPARC64_BOOT_BLOCK_BLOCKSIZE 512 #define SPARC64_BOOT_BLOCK_MAX_SIZE (512 * 15) /* ------------------------------------------ * sun68k (sun2, sun3) */ #define SUN68K_BOOT_BLOCK_OFFSET 512 #define SUN68K_BOOT_BLOCK_BLOCKSIZE 512 #define SUN68K_BOOT_BLOCK_MAX_SIZE (512 * 15) /* Magic string -- 32 bytes long (including the NUL) */ #define SUN68K_BBINFO_MAGIC "NetBSD/sun68k bootxx 20020515" /* ------------------------------------------ * vax -- * VAX boot block information */ struct vax_boot_block { /* Note that these don't overlap any of the pmax boot block */ uint8_t pad0[2]; uint8_t bb_id_offset; /* offset in words to id (magic1)*/ uint8_t bb_mbone; /* must be one */ uint16_t bb_lbn_hi; /* lbn (hi word) of bootstrap */ uint16_t bb_lbn_low; /* lbn (low word) of bootstrap */ uint8_t pad1[406]; /* disklabel offset is 64 from base, or 56 from start of pad1 */ /* The rest of these fields are identification area and describe * the secondary block for uVAX VMB. */ uint8_t bb_magic1; /* magic number */ uint8_t bb_mbz1; /* must be zero */ uint8_t bb_pad1; /* any value */ uint8_t bb_sum1; /* ~(magic1 + mbz1 + pad1) */ uint8_t bb_mbz2; /* must be zero */ uint8_t bb_volinfo; /* volinfo */ uint8_t bb_pad2a; /* any value */ uint8_t bb_pad2b; /* any value */ uint32_t bb_size; /* size in blocks of bootstrap */ uint32_t bb_load; /* load offset to bootstrap */ uint32_t bb_entry; /* byte offset in bootstrap */ uint32_t bb_sum3; /* sum of previous 3 fields */ /* The rest is unused. */ uint8_t pad2[74]; } __packed; #define VAX_BOOT_MAGIC1 0x18 /* size of BB info? */ #define VAX_BOOT_VOLINFO_NONE 0x00 /* no special info */ #define VAX_BOOT_VOLINFO_SS 0x01 /* single sided */ #define VAX_BOOT_VOLINFO_DS 0x81 /* double sided */ #define VAX_BOOT_SIZE 15 /* 15 blocks */ #define VAX_BOOT_LOAD 0 /* no load offset */ #define VAX_BOOT_ENTRY 0x200 /* one block in */ #define VAX_BOOT_BLOCK_OFFSET 0 #define VAX_BOOT_BLOCK_BLOCKSIZE 512 /* ------------------------------------------ * x68k */ #define X68K_BOOT_BLOCK_OFFSET 0 #define X68K_BOOT_BLOCK_BLOCKSIZE 512 #define X68K_BOOT_BLOCK_MAX_SIZE (512 * 16) /* Magic string -- 32 bytes long (including the NUL) */ #define X68K_BBINFO_MAGIC "NetBSD/x68k bootxx 20020601" #endif /* !defined(__ASSEMBLER__) */ /* } */ #endif /* !_SYS_BOOTBLOCK_H */