xref: /netbsd-src/sys/arch/sparc/include/kcore.h (revision ce099b40997c43048fb78bd578195f81d2456523)
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 
41 typedef 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;
54