sys/arch/mipsco/include/bootinfo.h

   1 /*      $NetBSD: bootinfo.h,v 1.3 2005/12/11 12:18:13 christos Exp $    */
   2
   3 /*
   4  * Copyright (c) 1997, 2000
   5  *      Matthias Drochner.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  *
  27  */
  28
  29 #ifndef _MIPSCO_BOOTINFO_H_
  30 #define _MIPSCO_BOOTINFO_H_
  31
  32 #define BOOTINFO_MAGIC  0xb007babe
  33 #define BOOTINFO_SIZE   1024
  34
  35 /*
  36  * The bootinfo structure is at the end of the 64kB hole between
  37  * 0x80010000 to 0x8001ffff that neither NetBSD nor the PROM uses.
  38  */
  39 #define BOOTINFO_ADDR   0x8001fc00
  40
  41 struct btinfo_common {
  42         int next;               /* offset of next item, or zero */
  43         int type;
  44 };
  45
  46 #define BTINFO_MAGIC    1
  47 #define BTINFO_BOOTPATH 2
  48 #define BTINFO_SYMTAB   3
  49
  50 struct btinfo_magic {
  51         struct btinfo_common common;
  52         int magic;
  53 };
  54
  55 #define BTINFO_BOOTPATH_LEN     80
  56 struct btinfo_bootpath {
  57         struct btinfo_common common;
  58         char bootpath[BTINFO_BOOTPATH_LEN];
  59 };
  60
  61 struct btinfo_symtab {
  62         struct btinfo_common common;
  63         int nsym;
  64         int ssym;
  65         int esym;
  66 };
  67
  68 #ifdef _KERNEL
  69 void    *lookup_bootinfo(int);
  70 #endif
  71
  72 #endif  /* !_MIPSCO_BOOTINFO_H_ */