- Add alpha boot block info, derived from sys/arch/alpha/include/disklabel.h,
adding "alpha_" / "ALPHA_" prefix to items as appropriate. Rename CHECKSUM_BOOT_BLOCK() -> ALPHA_BOOT_BLOCK_CKSUM(). Add cgd's copyright from disklabel.h. - Clean up a couple of comments.
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lukem
parent
ccc73cca48
commit
38b5c3b216
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@ -1,4 +1,4 @@
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/* $NetBSD: dec_boot.h,v 1.3 2000/06/21 14:57:21 matt Exp $ */
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/* $NetBSD: dec_boot.h,v 1.4 2002/04/03 04:05:05 lukem Exp $ */
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/*
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* Copyright (c) 1992, 1993
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@ -37,18 +37,41 @@
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*
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* @(#)dec_boot.h 8.1 (Berkeley) 6/10/93
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*
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* devDiskLabel.h --
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*
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* This defines the disk label that Sun writes on the 0'th sector of
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* the 0'th cylinder of its SMD disks. The disk label contains some
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* geometry information and also the division of the disk into a
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* number of partitions. Each partition is identified to the drive
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* by a different unit number.
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*
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* from: Header: /sprite/src/kernel/dev/RCS/devDiskLabel.h,
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* v 9.4 90/03/01 12:22:36 jhh Exp SPRITE (Berkeley)
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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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#ifndef _DEV_DEC_DEC_BOOT_H_
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#define _DEV_DEC_DEC_BOOT_H_
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@ -60,8 +83,47 @@
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* after the boot information expected by the PROM boot loader.
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*/
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/* PMAX (DECstation / MIPS) boot block information
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/*
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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 {
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u_int64_t bb_data[63]; /* data (disklabel, also as below) */
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u_int64_t bb_cksum; /* checksum of the boot block,
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* taken as u_int64_t's
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*/
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};
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#define bb_secsize bb_data[60] /* secondary size (blocks) */
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#define bb_secstart bb_data[61] /* secondary start (blocks) */
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#define bb_flags bb_data[62] /* unknown flags (set to zero) */
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#define ALPHA_BOOT_BLOCK_OFFSET 0 /* offset of boot block. */
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#define ALPHA_BOOT_BLOCK_BLOCKSIZE 512 /* block size for sector
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* size/start, and for boot
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* block itself.
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*/
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#define ALPHA_BOOT_BLOCK_CKSUM(bb,cksum) \
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do { \
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const struct alpha_boot_block *_bb = (bb); \
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u_int64_t _cksum; \
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int _i; \
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\
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_cksum = 0; \
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for (_i = 0; \
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_i < (sizeof _bb->bb_data / sizeof _bb->bb_data[0]); \
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_i++) \
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_cksum += _bb->bb_data[_i]; \
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*(cksum) = _cksum; \
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} while (0)
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/*
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* PMAX (DECstation / MIPS) boot block information
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*/
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/*
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* If mode is 0, there is just one sequence of blocks and one Dec_BootMap
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* is used. If mode is 1, there are multiple sequences of blocks
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@ -94,8 +156,9 @@ struct pmax_boot_block {
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#define PMAX_BOOT_BLOCK_OFFSET 0
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#define PMAX_BOOT_BLOCK_BLOCKSIZE 512
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/* VAX boot block information
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*
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/*
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* VAX boot block information
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*/
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struct vax_boot_block {
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/* Note that these don't overlap any of the pmax boot block
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