/* $NetBSD: bootblock.h,v 1.24 2004/03/22 07:11:00 lukem 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * 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 #include "type.h" #if 0 /* XXX ffsdrv */ #if !defined(__ASSEMBLER__) #if defined(_KERNEL) || defined(_STANDALONE) #include #else #include #endif #endif /* !defined(__ASSEMBLER__) */ #endif /* ------------------------------------------ * 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 * * 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_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_FAT12 0x01 /* 12-bit FAT */ #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_FAT32 0x0b /* 32-bit FAT */ #define MBR_PTYPE_FAT32L 0x0c /* 32-bit FAT, 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_ONTRACK 0x54 #define MBR_PTYPE_LNXSWAP 0x82 /* Linux swap or Solaris */ #define MBR_PTYPE_LNXEXT2 0x83 /* Linux native */ #define MBR_PTYPE_EXT_LNX 0x85 /* Linux extended partition */ #define MBR_PTYPE_NTFSVOL 0x87 /* NTFS volume set or HPFS mirrored */ #define MBR_PTYPE_PREP 0x41 /* PReP */ #define MBR_PTYPE_386BSD 0xa5 /* 386BSD partition type */ #define MBR_PTYPE_APPLEUFS 0xa8 /* Apple UFS */ #define MBR_PTYPE_NETBSD 0xa9 /* NetBSD partition type */ #define MBR_PTYPE_OPENBSD 0xa6 /* OpenBSD partition type */ #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 - even for low numbers */ #define MBR_BS_EXTLBA 0x08 /* Extended ptn capable (LBA reads) */ #define MBR_BS_NEWMBR 0x80 /* New bootsel at offset 440 */ #if !defined(__ASSEMBLER__) /* { */ #pragma pack(1) /* * (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 */ }; /* __attribute__((__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 " */ }; /* __attribute__((__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 " */ }; /* __attribute__((__packed__)); */ /* * (x86) MBR boot selector */ struct mbr_bootsel { uint8_t mbrbs_defkey; uint8_t mbrbs_flags; uint16_t mbrbs_timeo; uint8_t mbrbs_nametab[MBR_PART_COUNT][MBR_BS_PARTNAMESIZE + 1]; }; /* __attribute__((__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 */ }; /* __attribute__((__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; }; /* __attribute__((__packed__)); */ #endif /* !defined(__ASSEMBLER__) */ /* } */ #pragma pack() /* ------------------------------------------ * 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]; }; #if 0 /* XXX ffsdrv */ /* ------------------------------------------ * 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; \ int _i; \ \ _cksum = 0; \ for (_i = 0; \ _i < (sizeof _bb->bb_data / sizeof _bb->bb_data[0]); \ _i++) \ _cksum += _bb->bb_data[_i]; \ *(cksum) = _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 */ }; /* * 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]; } __attribute__((__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 */ 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 /* ------------------------------------------ * 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 #endif /* ------------------------------------------ * 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[16]; /* keyboard traslation map */ }; #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 */ /* values for bp_flags */ #define X86_BP_FLAGS_RESET_VIDEO 1 #define X86_BP_FLAGS_PASSWORD 2 /* 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 #if !defined(__ASSEMBLER__) /* { */ #if 0 /* XXX ffsdrv */ /* ------------------------------------------ * 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; } __attribute__ ((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 */ } __attribute__ ((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). */ } __attribute__((__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 /* ------------------------------------------ * 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[332]; /* 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[148]; } __attribute__((__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 #endif /* !_SYS_BOOTBLOCK_H */