/*      $NetBSD: bootinfo.h,v 1.6 2008/08/08 15:07:52 tsutsui Exp $     */

/*
* Copyright (c) 1997
*      Matthias Drochner.  All rights reserved.
*
* 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 AUTHOR ``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 AUTHOR 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.
*
*/

#ifndef _SGIMIPS_BOOTINFO_H_
#define _SGIMIPS_BOOTINFO_H_

#define BOOTINFO_MAGIC          0x20080808
#define BOOTINFO_SIZE           1024

struct btinfo_common {
       size_t next;    /* offset of next item, or zero if end of data */
       int type;       /* type of bootinfo item */
#define BTINFO_NONE     0
#define BTINFO_MAGIC    1
#define BTINFO_BOOTPATH 2
#define BTINFO_SYMTAB   3
};

struct btinfo_magic {
       struct btinfo_common common;
       int magic;
};

#define BTINFO_BOOTPATH_LEN     80
struct btinfo_bootpath {
       struct btinfo_common common;
       char bootpath[BTINFO_BOOTPATH_LEN];
};

struct btinfo_symtab {
       struct btinfo_common common;
       unsigned long nsym;
       unsigned long ssym;
       unsigned long esym;
};

#ifdef _KERNEL
void    *lookup_bootinfo(int);
#endif

#endif  /* !_SGIMIPS_BOOTINFO_H_ */