| 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 | |
| 38 | struct cpu_kcore_4mbseg { |
| 39 | uint64_t va; /* virtual address */ |
| 40 | uint64_t pa; /* physical address */ |
| 41 | }; |
| 42 | |
| 43 | typedef 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; |