/*      $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_ */