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kcore.h revision 1.2 
      1 /*	$NetBSD: kcore.h,v 1.2 1997/09/20 18:23:51 pk 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 REGENTS OR CONTRIBUTORS BE
     30  * 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