NetBSD/sbin/bim/images.h

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/*
* Copyright (c) 1994 Philip A. Nelson.
* 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 Philip A. Nelson.
* 4. The name of Philip A. Nelson may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY PHILIP NELSON ``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 PHILIP NELSON 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.
*
* $Id: images.h,v 1.1 1994/04/22 00:04:30 cgd Exp $
*/
/*
* This is the description of the images information that
* follows the BSD label on a pc532 disk (first 1k block).
*
* Phil Nelson, Oct 23, 1991
*
*
* These structures are expected to reside on the first 1K bytes
* of a disk. Their order and structures as follows:
*
* -------------------
* | nothing |
* -------------------
* | BSD disk_label |
* -------------------
* | pc532 boot_info |
* -------------------
*/
/* Constants for the header block. */
#define IMAGE_MAGIC 0x6ef2b7d5L
#ifndef MAXIMAGES
#define MAXIMAGES 8
#endif
/* This is the header block. */
struct imageinfo {
long ii_magic; /* The magic number. */
short ii_boot_partition; /* The partition that holds the image. */
short ii_boot_count; /* The number of boot entries. (>=1) */
short ii_boot_used; /* The number of boot entries used. */
short ii_boot_default; /* The default boot image. */
struct {
long boot_address; /* The byte address of the boot image.
This address is relative to start of
the boot partition. */
long boot_size; /* The size of the boot image in zones. */
long boot_load_adr; /* Where to load the image, real memory. */
long boot_run_adr; /* The jump address to start the image. */
char boot_name[16]; /* A title for the image. */
} ii_images[MAXIMAGES];
};