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893 lines
32 KiB
C
893 lines
32 KiB
C
/* $NetBSD: bootblock.h,v 1.24 2004/03/22 07:11:00 lukem Exp $ */
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/*-
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* Copyright (c) 2002-2004 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*-
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* Copyright (C) 1993 Allen K. Briggs, Chris P. Caputo,
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* Michael L. Finch, Bradley A. Grantham, and
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* Lawrence A. Kesteloot
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the Alice Group.
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* 4. The names of the Alice Group or any of its members may not be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE ALICE GROUP ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE ALICE GROUP BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/*
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* Copyright (c) 1994, 1999 Christopher G. Demetriou
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Christopher G. Demetriou
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* for the NetBSD Project.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1994 Rolf Grossmann
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Rolf Grossmann.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _SYS_BOOTBLOCK_H
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#define _SYS_BOOTBLOCK_H
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#include "type.h"
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#if 0 /* XXX ffsdrv */
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#if !defined(__ASSEMBLER__)
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#if defined(_KERNEL) || defined(_STANDALONE)
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#include <sys/stdint.h>
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#else
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#include <stdint.h>
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#endif
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#endif /* !defined(__ASSEMBLER__) */
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#endif
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/* ------------------------------------------
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* MBR (Master Boot Record) --
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* definitions for systems that use MBRs
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*/
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/*
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* Layout of boot records:
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*
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* Byte range Use Description
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* ---------- --- -----------
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*
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* 0 - 2 FMP JMP xxx, NOP
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* 3 - 10 FP OEM Name
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*
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* 11 - 61 FMP FAT12/16 BPB
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* Whilst not strictly necessary for MBR,
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* GRUB reserves this area
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*
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* 11 - 89 P FAT32 BPB
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* (are we ever going to boot off this?)
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*
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*
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* 62 - 217 FMP Boot code
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*
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* 90 - 217 P FAT32 boot code
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*
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* 218 - 223 M Win95b/98/me "drive time"
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* http://www.geocities.com/thestarman3/asm/mbr/95BMEMBR.htm#MYST
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* only changed if all 6 bytes are 0
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*
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* 224 - 436 FMP boot code (continued)
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*
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* 437 - 439 M WinNT/2K/XP MBR "boot language"
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* http://www.geocities.com/thestarman3/asm/mbr/Win2kmbr.htm
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* not needed by us
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*
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* 400 - 439 MP NetBSD: mbr_bootsel
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*
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* 440 - 443 M WinNT/2K/XP Drive Serial Number (NT DSN)
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* http://www.geocities.com/thestarman3/asm/mbr/Win2kmbr.htm
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*
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* 444 - 445 FMP bootcode or unused
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* NetBSD: mbr_bootsel_magic
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*
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* 446 - 509 M partition table
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*
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* 510 - 511 FMP magic number (0xAA55)
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*
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* Use:
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* ----
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* F Floppy boot sector
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* M Master Boot Record
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* P Partition Boot record
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*
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*/
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/*
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* MBR (Master Boot Record)
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*/
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#define MBR_BBSECTOR 0 /* MBR relative sector # */
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#define MBR_BPB_OFFSET 11 /* offsetof(mbr_sector, mbr_bpb) */
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#define MBR_BOOTCODE_OFFSET 90 /* offsetof(mbr_sector, mbr_bootcode) */
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#define MBR_BS_OFFSET 400 /* offsetof(mbr_sector, mbr_bootsel) */
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#define MBR_DSN_OFFSET 440 /* offsetof(mbr_sector, mbr_dsn) */
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#define MBR_BS_MAGIC_OFFSET 444 /* offsetof(mbr_sector, mbr_bootsel_magic) */
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#define MBR_PART_OFFSET 446 /* offsetof(mbr_sector, mbr_part[0]) */
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#define MBR_MAGIC_OFFSET 510 /* offsetof(mbr_sector, mbr_magic) */
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#define MBR_MAGIC 0xaa55 /* MBR magic number */
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#define MBR_BS_MAGIC 0xb5e1 /* mbr_bootsel magic number */
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#define MBR_PART_COUNT 4 /* Number of partitions in MBR */
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#define MBR_BS_PARTNAMESIZE 8 /* Size of name mbr_bootsel nametab */
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/* (excluding trailing NUL) */
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/* values for mbr_partition.mbrp_flag */
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#define MBR_PFLAG_ACTIVE 0x80 /* The active partition */
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/* values for mbr_partition.mbrp_type */
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#define MBR_PTYPE_FAT12 0x01 /* 12-bit FAT */
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#define MBR_PTYPE_FAT16S 0x04 /* 16-bit FAT, less than 32M */
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#define MBR_PTYPE_EXT 0x05 /* extended partition */
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#define MBR_PTYPE_FAT16B 0x06 /* 16-bit FAT, more than 32M */
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#define MBR_PTYPE_NTFS 0x07 /* OS/2 HPFS, NTFS, QNX2, Adv. UNIX */
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#define MBR_PTYPE_FAT32 0x0b /* 32-bit FAT */
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#define MBR_PTYPE_FAT32L 0x0c /* 32-bit FAT, LBA-mapped */
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#define MBR_PTYPE_FAT16L 0x0e /* 16-bit FAT, LBA-mapped */
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#define MBR_PTYPE_EXT_LBA 0x0f /* extended partition, LBA-mapped */
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#define MBR_PTYPE_ONTRACK 0x54
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#define MBR_PTYPE_LNXSWAP 0x82 /* Linux swap or Solaris */
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#define MBR_PTYPE_LNXEXT2 0x83 /* Linux native */
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#define MBR_PTYPE_EXT_LNX 0x85 /* Linux extended partition */
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#define MBR_PTYPE_NTFSVOL 0x87 /* NTFS volume set or HPFS mirrored */
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#define MBR_PTYPE_PREP 0x41 /* PReP */
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#define MBR_PTYPE_386BSD 0xa5 /* 386BSD partition type */
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#define MBR_PTYPE_APPLEUFS 0xa8 /* Apple UFS */
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#define MBR_PTYPE_NETBSD 0xa9 /* NetBSD partition type */
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#define MBR_PTYPE_OPENBSD 0xa6 /* OpenBSD partition type */
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#define MBR_PSECT(s) ((s) & 0x3f)
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#define MBR_PCYL(c, s) ((c) + (((s) & 0xc0) << 2))
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#define MBR_IS_EXTENDED(x) ((x) == MBR_PTYPE_EXT || \
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(x) == MBR_PTYPE_EXT_LBA || \
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(x) == MBR_PTYPE_EXT_LNX)
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/* values for mbr_bootsel.mbrbs_flags */
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#define MBR_BS_ACTIVE 0x01 /* Bootselector active (or code present) */
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#define MBR_BS_EXTINT13 0x02 /* Set by fdisk if LBA needed (deprecated) */
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#define MBR_BS_READ_LBA 0x04 /* Force LBA reads - even for low numbers */
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#define MBR_BS_EXTLBA 0x08 /* Extended ptn capable (LBA reads) */
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#define MBR_BS_NEWMBR 0x80 /* New bootsel at offset 440 */
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#if !defined(__ASSEMBLER__) /* { */
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#pragma pack(1)
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/*
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* (x86) BIOS Parameter Block for FAT12
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*/
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struct mbr_bpbFAT12 {
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uint16_t bpbBytesPerSec; /* bytes per sector */
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uint8_t bpbSecPerClust; /* sectors per cluster */
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uint16_t bpbResSectors; /* number of reserved sectors */
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uint8_t bpbFATs; /* number of FATs */
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uint16_t bpbRootDirEnts; /* number of root directory entries */
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uint16_t bpbSectors; /* total number of sectors */
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uint8_t bpbMedia; /* media descriptor */
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uint16_t bpbFATsecs; /* number of sectors per FAT */
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uint16_t bpbSecPerTrack; /* sectors per track */
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uint16_t bpbHeads; /* number of heads */
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uint16_t bpbHiddenSecs; /* # of hidden sectors */
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}; /* __attribute__((__packed__)); */
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/*
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* (x86) BIOS Parameter Block for FAT16
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*/
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struct mbr_bpbFAT16 {
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uint16_t bpbBytesPerSec; /* bytes per sector */
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uint8_t bpbSecPerClust; /* sectors per cluster */
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uint16_t bpbResSectors; /* number of reserved sectors */
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uint8_t bpbFATs; /* number of FATs */
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uint16_t bpbRootDirEnts; /* number of root directory entries */
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uint16_t bpbSectors; /* total number of sectors */
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uint8_t bpbMedia; /* media descriptor */
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uint16_t bpbFATsecs; /* number of sectors per FAT */
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uint16_t bpbSecPerTrack; /* sectors per track */
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uint16_t bpbHeads; /* number of heads */
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uint32_t bpbHiddenSecs; /* # of hidden sectors */
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uint32_t bpbHugeSectors; /* # of sectors if bpbSectors == 0 */
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uint8_t bsDrvNum; /* Int 0x13 drive number (e.g. 0x80) */
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uint8_t bsReserved1; /* Reserved; set to 0 */
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uint8_t bsBootSig; /* 0x29 if next 3 fields are present */
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uint8_t bsVolID[4]; /* Volume serial number */
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uint8_t bsVolLab[11]; /* Volume label */
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uint8_t bsFileSysType[8];
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/* "FAT12 ", "FAT16 ", "FAT " */
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}; /* __attribute__((__packed__)); */
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/*
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* (x86) BIOS Parameter Block for FAT32
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*/
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struct mbr_bpbFAT32 {
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uint16_t bpbBytesPerSec; /* bytes per sector */
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uint8_t bpbSecPerClust; /* sectors per cluster */
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uint16_t bpbResSectors; /* number of reserved sectors */
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uint8_t bpbFATs; /* number of FATs */
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uint16_t bpbRootDirEnts; /* number of root directory entries */
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uint16_t bpbSectors; /* total number of sectors */
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uint8_t bpbMedia; /* media descriptor */
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uint16_t bpbFATsecs; /* number of sectors per FAT */
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uint16_t bpbSecPerTrack; /* sectors per track */
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uint16_t bpbHeads; /* number of heads */
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uint32_t bpbHiddenSecs; /* # of hidden sectors */
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uint32_t bpbHugeSectors; /* # of sectors if bpbSectors == 0 */
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uint32_t bpbBigFATsecs; /* like bpbFATsecs for FAT32 */
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uint16_t bpbExtFlags; /* extended flags: */
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#define MBR_FAT32_FATNUM 0x0F /* mask for numbering active FAT */
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#define MBR_FAT32_FATMIRROR 0x80 /* FAT is mirrored (as previously) */
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uint16_t bpbFSVers; /* filesystem version */
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#define MBR_FAT32_FSVERS 0 /* currently only 0 is understood */
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uint32_t bpbRootClust; /* start cluster for root directory */
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uint16_t bpbFSInfo; /* filesystem info structure sector */
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uint16_t bpbBackup; /* backup boot sector */
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uint8_t bsReserved[12]; /* Reserved for future expansion */
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uint8_t bsDrvNum; /* Int 0x13 drive number (e.g. 0x80) */
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uint8_t bsReserved1; /* Reserved; set to 0 */
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uint8_t bsBootSig; /* 0x29 if next 3 fields are present */
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uint8_t bsVolID[4]; /* Volume serial number */
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uint8_t bsVolLab[11]; /* Volume label */
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uint8_t bsFileSysType[8]; /* "FAT32 " */
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}; /* __attribute__((__packed__)); */
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/*
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* (x86) MBR boot selector
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*/
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struct mbr_bootsel {
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uint8_t mbrbs_defkey;
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uint8_t mbrbs_flags;
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uint16_t mbrbs_timeo;
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uint8_t mbrbs_nametab[MBR_PART_COUNT][MBR_BS_PARTNAMESIZE + 1];
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}; /* __attribute__((__packed__)); */
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/*
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* MBR partition
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*/
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struct mbr_partition {
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uint8_t mbrp_flag; /* MBR partition flags */
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uint8_t mbrp_shd; /* Starting head */
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uint8_t mbrp_ssect; /* Starting sector */
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uint8_t mbrp_scyl; /* Starting cylinder */
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uint8_t mbrp_type; /* Partition type (see below) */
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uint8_t mbrp_ehd; /* End head */
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uint8_t mbrp_esect; /* End sector */
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uint8_t mbrp_ecyl; /* End cylinder */
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uint32_t mbrp_start; /* Absolute starting sector number */
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uint32_t mbrp_size; /* Partition size in sectors */
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}; /* __attribute__((__packed__)); */
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int xlat_mbr_fstype(int); /* in sys/lib/libkern/xlat_mbr_fstype.c */
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/*
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* MBR boot sector.
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* This is used by both the MBR (Master Boot Record) in sector 0 of the disk
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* and the PBR (Partition Boot Record) in sector 0 of an MBR partition.
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*/
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struct mbr_sector {
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/* Jump instruction to boot code. */
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/* Usually 0xE9nnnn or 0xEBnn90 */
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uint8_t mbr_jmpboot[3];
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/* OEM name and version */
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uint8_t mbr_oemname[8];
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union { /* BIOS Parameter Block */
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struct mbr_bpbFAT12 bpb12;
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struct mbr_bpbFAT16 bpb16;
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struct mbr_bpbFAT32 bpb32;
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} mbr_bpb;
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/* Boot code */
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uint8_t mbr_bootcode[310];
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/* Config for /usr/mdec/mbr_bootsel */
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struct mbr_bootsel mbr_bootsel;
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/* NT Drive Serial Number */
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uint32_t mbr_dsn;
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/* mbr_bootsel magic */
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uint16_t mbr_bootsel_magic;
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/* MBR partition table */
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struct mbr_partition mbr_parts[MBR_PART_COUNT];
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/* MBR magic (0xaa55) */
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uint16_t mbr_magic;
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}; /* __attribute__((__packed__)); */
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#endif /* !defined(__ASSEMBLER__) */ /* } */
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#pragma pack()
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/* ------------------------------------------
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* shared --
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* definitions shared by many platforms
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*/
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#if !defined(__ASSEMBLER__) /* { */
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/* Maximum # of blocks in bbi_block_table, each bbi_block_size long */
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#define SHARED_BBINFO_MAXBLOCKS 118 /* so sizeof(shared_bbinfo) == 512 */
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struct shared_bbinfo {
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uint8_t bbi_magic[32];
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int32_t bbi_block_size;
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int32_t bbi_block_count;
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int32_t bbi_block_table[SHARED_BBINFO_MAXBLOCKS];
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};
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#if 0 /* XXX ffsdrv */
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/* ------------------------------------------
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* alpha --
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* Alpha (disk, but also tape) Boot Block.
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*
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* See Section (III) 3.6.1 of the Alpha Architecture Reference Manual.
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*/
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|
|
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 */
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#define VAX_BOOT_VOLINFO_SS 0x01 /* single sided */
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#define VAX_BOOT_VOLINFO_DS 0x81 /* double sided */
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#define VAX_BOOT_SIZE 15 /* 15 blocks */
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#define VAX_BOOT_LOAD 0 /* no load offset */
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#define VAX_BOOT_ENTRY 0x200 /* one block in */
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#define VAX_BOOT_BLOCK_OFFSET 0
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#define VAX_BOOT_BLOCK_BLOCKSIZE 512
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/* ------------------------------------------
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* x68k
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*/
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#define X68K_BOOT_BLOCK_OFFSET 0
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#define X68K_BOOT_BLOCK_BLOCKSIZE 512
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#define X68K_BOOT_BLOCK_MAX_SIZE (512 * 16)
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/* Magic string -- 32 bytes long (including the NUL) */
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#define X68K_BBINFO_MAGIC "NetBSD/x68k bootxx 20020601"
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#endif /* !defined(__ASSEMBLER__) */ /* } */
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#endif
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#endif /* !_SYS_BOOTBLOCK_H */
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