sys/arch/sparc64/include/kcore.h

   1 /*      $NetBSD: kcore.h,v 1.6 2008/01/18 16:24:42 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;