/*      $NetBSD: bootinfo.h,v 1.5 2012/01/21 19:44:30 nonaka Exp $      */

/*-
 * Copyright (C) 2009 NONAKA Kimihiro <nonaka@netbsd.org>
 * 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 _ZAURUS_BOOTINFO_H_
#define _ZAURUS_BOOTINFO_H_

#define BOOTARGS_BUFSIZ 256
#define BOOTARGS_MAGIC  0x4f425344

#define BOOTINFO_MAXSIZE (BOOTARGS_BUFSIZ - sizeof(uint32_t)) /* uint32_t for magic */

#define BTINFO_BOOTDISK         0
#define BTINFO_HOWTO            1
#define BTINFO_CONSDEV          2
#define BTINFO_ROOTDEVICE       3
#define BTINFO_MAX              4

#ifndef _LOCORE

struct btinfo_common {
        int len;
        int type;
};

struct btinfo_bootdisk {
        struct btinfo_common common;
        int labelsector; /* label valid if != -1 */
        struct {
                uint16_t type, checksum;
                char packname[16];
        } label;
        int biosdev;
        int partition;
};

struct btinfo_howto {
        struct btinfo_common common;
        u_int howto;
};

struct btinfo_console {
        struct btinfo_common common;
        char devname[16];
        int addr;
        int speed;
};

struct btinfo_rootdevice {
        struct btinfo_common common;
        char devname[16];
};

struct bootinfo {
        int nentries;
        char info[BOOTINFO_MAXSIZE - sizeof(int)];
};

#endif /* _LOCORE */

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

#endif  /* _ZAURUS_BOOTINFO_H_ */