1 /* $NetBSD: kcore.h,v 1.3 1997/10/09 08:35:00 jtc 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 * an array of `cpu_kcore_hdr.nmemseg' phys_ram_seg_t's 44 * an array of `cpu_kcore_hdr.nsegmap' segmap structures 45 * an array of `cpu_kcore_hdr.npmegs' PTEs (zero of these on sun4ms). 46 */ 47 48 typedef struct cpu_kcore_hdr { 49 int cputype; /* CPU type associated with this dump */ 50 u_long kernbase; /* copy of KERNBASE goes here */ 51 int nmemseg; /* # of physical memory segments */ 52 u_long memsegoffset; /* start of memseg array (relative */ 53 /* to the start of this header) */ 54 int nsegmap; /* # of segmaps following */ 55 u_long segmapoffset; /* start of segmap array (relative */ 56 /* to the start of this header) */ 57 int npmeg; /* # of PMEGs; [sun4/sun4c] only */ 58 u_long pmegoffset; /* start of pmeg array (relative */ 59 /* to the start of this header) */ 60 } cpu_kcore_hdr_t; 61