--- /dev/null
+/* $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 <sys/stdint.h>
+#else
+#include <stdint.h>
+#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 <machine/disklabel.h> */
+#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 */
projects / reactos.git / blobdiff