kcore.h revision 1.6 1 /* $NetBSD: kcore.h,v 1.6 2008/01/18 16:24:42 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 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 /*
40 * The layout of a kernel core on the dump device is as follows:
41 * a `struct kcore_seg' of type CORE_CPU
42 * a `struct cpu_kcore_hdr'
43 */
44
45 struct cpu_kcore_4mbseg {
46 uint64_t va; /* virtual address */
47 uint64_t pa; /* physical address */
48 };
49
50 typedef struct cpu_kcore_hdr {
51 int cputype; /* CPU type associated with this dump */
52
53 int nmemseg; /* # of physical memory segments */
54 uint64_t memsegoffset; /* start of memseg array (relative */
55 /* to the start of this header) */
56
57 int nsegmap; /* # of kernel segs */
58 uint64_t segmapoffset; /* start of segmap array (relative */
59 /* to the start of this header) */
60
61 uint64_t kernbase; /* copy of KERNBASE goes here */
62 uint64_t cpubase; /* Pointer to cpu_info structure */
63
64 uint64_t ktextbase; /* Virtual start of text segment */
65 uint64_t ktextp; /* Physical address of 4MB locked TLB */
66 uint64_t ktextsz; /* Size of locked kernel text segment. */
67
68 uint64_t kdatabase; /* Virtual start of data segment */
69 uint64_t kdatap; /* Physical address of 4MB locked TLB */
70 uint64_t kdatasz; /* Size of locked kernel data segment. */
71
72 uint64_t newmagic; /* magic value: everything beyound is
73 valid */
74 #define SPARC64_KCORE_NEWMAGIC 0x3AFEC01E
75 uint64_t num4mbsegs; /* number of 4MB segments */
76 uint64_t off4mbsegs; /* start of 4m segment array
77 (relative to start of this
78 header) */
79
80 uint64_t numcpuinfos; /* number of per CPU mapping infos */
81 uint64_t percpusz; /* size of per cpu mapping */
82 uint64_t thiscpu; /* index of the cpu writing the dump */
83 uint64_t cpusp; /* physical address of first per-cpu
84 mapping */
85 } cpu_kcore_hdr_t;
86