1/*	$NetBSD: kcore.h,v 1.7 2008/04/28 20:23:37 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 */
37
38struct cpu_kcore_4mbseg {
39	uint64_t	va;		/* virtual address */
40	uint64_t	pa;		/* physical address */
41};
42
43typedef struct cpu_kcore_hdr {
44	int		cputype;	/* CPU type associated with this dump */
45
46	int		nmemseg;	/* # of physical memory segments */
47	uint64_t	memsegoffset;	/* start of memseg array (relative */
48					/*  to the start of this header) */
49
50	int		nsegmap;	/* # of kernel segs */
51	uint64_t	segmapoffset;	/* start of segmap array (relative */
52					/*  to the start of this header) */
53
54	uint64_t	kernbase;	/* copy of KERNBASE goes here */
55	uint64_t	cpubase;	/* Pointer to cpu_info structure */
56
57	uint64_t	ktextbase;	/* Virtual start of text segment */
58	uint64_t	ktextp;		/* Physical address of 4MB locked TLB */
59	uint64_t	ktextsz;	/* Size of locked kernel text segment. */
60
61	uint64_t	kdatabase;	/* Virtual start of data segment */
62	uint64_t	kdatap;		/* Physical address of 4MB locked TLB */
63	uint64_t	kdatasz;	/* Size of locked kernel data segment. */
64
65	uint64_t	newmagic;	/* magic value: everything beyound is
66					   valid */
67#define	SPARC64_KCORE_NEWMAGIC	0x3AFEC01E
68	uint64_t	num4mbsegs;	/* number of 4MB segments */
69	uint64_t	off4mbsegs;	/* start of 4m segment array
70					   (relative to start of this
71					   header) */
72
73	uint64_t	numcpuinfos;	/* number of per CPU mapping infos */
74	uint64_t	percpusz;	/* size of per cpu mapping */
75	uint64_t	thiscpu;	/* index of the cpu writing the dump */
76	uint64_t	cpusp;		/* physical address of first per-cpu
77					   mapping */
78} cpu_kcore_hdr_t;