1/*	$NetBSD: kcore.h,v 1.4 2008/04/28 20:23:36 martin Exp $	*/
 2
 3/*-
 4 * Copyright (c) 1996 The NetBSD Foundation, Inc.
 5 * All rights reserved.
 6 *
 7 * This code is derived from software contributed to The NetBSD Foundation
 8 * by Paul Kranenburg.
 9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32/*
33 * The layout of a kernel core on the dump device is as follows:
34 *	a `struct kcore_seg' of type CORE_CPU
35 *	a `struct cpu_kcore_hdr'
36 *	an array of `cpu_kcore_hdr.nmemseg' phys_ram_seg_t's
37 *	an array of `cpu_kcore_hdr.nsegmap' segmap structures
38 *	an array of `cpu_kcore_hdr.npmegs' PTEs (zero of these on sun4ms).
39 */
40
41typedef struct cpu_kcore_hdr {
42	int	cputype;		/* CPU type associated with this dump */
43	u_long	kernbase;		/* copy of KERNBASE goes here */
44	int	nmemseg;		/* # of physical memory segments */
45	u_long	memsegoffset;		/* start of memseg array (relative */
46					/*  to the start of this header) */
47	int	nsegmap;		/* # of segmaps following */
48	u_long	segmapoffset;		/* start of segmap array (relative */
49					/*  to the start of this header) */
50	int	npmeg;			/* # of PMEGs; [sun4/sun4c] only */
51	u_long	pmegoffset;		/* start of pmeg array (relative */
52					/*  to the start of this header) */
53} cpu_kcore_hdr_t;