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; 79