/*      $OpenBSD: kcore.h,v 1.3 2008/06/26 05:42:13 ray Exp $   */
/*      $NetBSD: kcore.h,v 1.4 2000/08/01 00:40:26 eeh Exp $    */

/*-
 * Copyright (c) 1996 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Paul Kranenburg.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * The layout of a kernel core on the dump device is as follows:
 *      a `struct kcore_seg' of type CORE_CPU
 *      a `struct cpu_kcore_hdr'
 */

typedef struct cpu_kcore_hdr {
        int             cputype;        /* CPU type associated with this dump */

        int             nmemseg;        /* # of physical memory segments */
        uint64_t        memsegoffset;   /* start of memseg array (relative */
                                        /*  to the start of this header) */

        int             nsegmap;        /* # of kernel segs */
        uint64_t        segmapoffset;   /* start of segmap array (relative */
                                        /*  to the start of this header) */

        uint64_t        kernbase;       /* copy of KERNBASE goes here */
        uint64_t        cpubase;        /* Pointer to cpu_info structure */

        uint64_t        ktextbase;      /* Virtual start of text segment */
        uint64_t        ktextp;         /* Physical address of 4MB locked TLB */
        uint64_t        ktextsz;        /* Size of locked kernel text segment. */

        uint64_t        kdatabase;      /* Virtual start of data segment */
        uint64_t        kdatap;         /* Physical address of 4MB locked TLB */
        uint64_t        kdatasz;        /* Size of locked kernel data segment. */

} cpu_kcore_hdr_t;