sys/arch/hp700/include/bootinfo.h

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * Copyright (c) 1997
   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 #define BOOTINFO_MAGIC  0xb007babe
  30
  31 #ifndef _LOCORE
  32
  33 struct btinfo_common {
  34         int len;
  35         int type;
  36 };
  37
  38 #define BTINFO_MAGIC            0
  39 #define BTINFO_KERNELFILE       1
  40 #define BTINFO_SYMTAB           2
  41
  42 struct btinfo_magic {
  43         struct btinfo_common common;
  44         int magic;
  45 };
  46
  47 struct btinfo_kernelfile {
  48         struct btinfo_common common;
  49         char name[1];   /* variable length */
  50 };
  51
  52 struct btinfo_symtab {
  53         struct btinfo_common common;
  54         int nsym;
  55         int ssym;
  56         int esym;
  57 };
  58
  59 #endif /* _LOCORE */
  60
  61 #ifdef _KERNEL
  62
  63 #define BOOTINFO_MAXSIZE 1024
  64 #define BOOTINFO_DATASIZE (BOOTINFO_MAXSIZE - 2 * sizeof(uint32_t))
  65
  66 #ifndef _LOCORE
  67 /*
  68  * Structure that holds the information passed by the boot loader.
  69  */
  70 struct bootinfo {
  71         /* Number of bootinfo_* entries in bi_data. */
  72         uint32_t        bi_nentries;
  73         uint32_t        bi_offset;
  74
  75         /* Raw data of bootinfo entries.  The first one (if any) is
  76          * found at bi_data[0] and can be casted to (bootinfo_common *).
  77          * Once this is done, the following entry is found at 'len'
  78          * offset as specified by the previous entry. */
  79         uint8_t         bi_data[BOOTINFO_DATASIZE];
  80 };
  81
  82 void *lookup_bootinfo(int);
  83 #endif /* _LOCORE */
  84
  85 #endif /* _KERNEL */