79 lines
3.1 KiB
C
79 lines
3.1 KiB
C
/* $NetBSD: images.h,v 1.2 1995/03/18 12:28:19 cgd Exp $ */
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/*
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* Copyright (c) 1994 Philip A. Nelson.
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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 Philip A. Nelson.
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* 4. The name of Philip A. Nelson may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY PHILIP NELSON ``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 PHILIP NELSON 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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* This is the description of the images information that
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* follows the BSD label on a pc532 disk (first 1k block).
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*
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* Phil Nelson, Oct 23, 1991
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*
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*
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* These structures are expected to reside on the first 1K bytes
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* of a disk. Their order and structures as follows:
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*
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* -------------------
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* | nothing |
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* -------------------
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* | BSD disk_label |
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* -------------------
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* | pc532 boot_info |
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* -------------------
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*/
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/* Constants for the header block. */
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#define IMAGE_MAGIC 0x6ef2b7d5L
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#ifndef MAXIMAGES
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#define MAXIMAGES 8
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#endif
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/* This is the header block. */
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struct imageinfo {
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long ii_magic; /* The magic number. */
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short ii_boot_partition; /* The partition that holds the image. */
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short ii_boot_count; /* The number of boot entries. (>=1) */
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short ii_boot_used; /* The number of boot entries used. */
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short ii_boot_default; /* The default boot image. */
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struct {
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long boot_address; /* The byte address of the boot image.
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This address is relative to start of
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the boot partition. */
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long boot_size; /* The size of the boot image in zones. */
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long boot_load_adr; /* Where to load the image, real memory. */
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long boot_run_adr; /* The jump address to start the image. */
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char boot_name[16]; /* A title for the image. */
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} ii_images[MAXIMAGES];
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};
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