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kcore.h revision 1.4 
      1  1.4  martin /*	$NetBSD: kcore.h,v 1.4 2008/04/28 20:23:36 martin Exp $	*/
      2  1.1      pk 
      3  1.1      pk /*-
      4  1.1      pk  * Copyright (c) 1996 The NetBSD Foundation, Inc.
      5  1.1      pk  * All rights reserved.
      6  1.1      pk  *
      7  1.1      pk  * This code is derived from software contributed to The NetBSD Foundation
      8  1.1      pk  * by Paul Kranenburg.
      9  1.1      pk  *
     10  1.1      pk  * Redistribution and use in source and binary forms, with or without
     11  1.1      pk  * modification, are permitted provided that the following conditions
     12  1.1      pk  * are met:
     13  1.1      pk  * 1. Redistributions of source code must retain the above copyright
     14  1.1      pk  *    notice, this list of conditions and the following disclaimer.
     15  1.1      pk  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1      pk  *    notice, this list of conditions and the following disclaimer in the
     17  1.1      pk  *    documentation and/or other materials provided with the distribution.
     18  1.1      pk  *
     19  1.1      pk  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  1.1      pk  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  1.1      pk  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  1.3     jtc  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  1.3     jtc  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  1.1      pk  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  1.1      pk  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  1.1      pk  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  1.1      pk  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  1.1      pk  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  1.1      pk  * POSSIBILITY OF SUCH DAMAGE.
     30  1.1      pk  */
     31  1.1      pk 
     32  1.1      pk /*
     33  1.1      pk  * The layout of a kernel core on the dump device is as follows:
     34  1.1      pk  *	a `struct kcore_seg' of type CORE_CPU
     35  1.1      pk  *	a `struct cpu_kcore_hdr'
     36  1.1      pk  *	an array of `cpu_kcore_hdr.nmemseg' phys_ram_seg_t's
     37  1.2      pk  *	an array of `cpu_kcore_hdr.nsegmap' segmap structures
     38  1.1      pk  *	an array of `cpu_kcore_hdr.npmegs' PTEs (zero of these on sun4ms).
     39  1.1      pk  */
     40  1.1      pk 
     41  1.1      pk typedef struct cpu_kcore_hdr {
     42  1.1      pk 	int	cputype;		/* CPU type associated with this dump */
     43  1.2      pk 	u_long	kernbase;		/* copy of KERNBASE goes here */
     44  1.1      pk 	int	nmemseg;		/* # of physical memory segments */
     45  1.2      pk 	u_long	memsegoffset;		/* start of memseg array (relative */
     46  1.2      pk 					/*  to the start of this header) */
     47  1.2      pk 	int	nsegmap;		/* # of segmaps following */
     48  1.2      pk 	u_long	segmapoffset;		/* start of segmap array (relative */
     49  1.1      pk 					/*  to the start of this header) */
     50  1.1      pk 	int	npmeg;			/* # of PMEGs; [sun4/sun4c] only */
     51  1.2      pk 	u_long	pmegoffset;		/* start of pmeg array (relative */
     52  1.1      pk 					/*  to the start of this header) */
     53  1.1      pk } cpu_kcore_hdr_t;
     54