/*      $NetBSD: tosdefs.h,v 1.4 2008/04/28 20:23:15 martin Exp $       */

/*-
 * Copyright (c) 1998 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Leo Weppelman.
 *
 * 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``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 FOUNDATION OR CONTRIBUTORS
 * 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 _LIBTOS_TOSDEFS_H
#define _LIBTOS_TOSDEFS_H

#include <sys/types.h>


#include "kparamb.h"

/*
 * TOS variables in low memory
 */
struct _gem_mupb;
struct _basepage;
struct _osheader {
        u_int16_t        os_entry;
        u_int16_t        os_version;
        void             *reseth;
        struct _osheader *os_beg;
        void             *os_end;
        u_int32_t        os_rsv1;
        struct _gem_mupb *os_magic;
        u_int32_t        os_date;
        u_int16_t        os_conf;
        u_int16_t        os_dosdate;
        char             **p_root;
        u_int8_t         **pkbshift;
        struct _basepage **p_run;
        char             *p_rsv2;
};

typedef struct _osheader        OSH;

#define ADDR_P_COOKIE   ((long**)0x5a0) /* Pointer to cookie jar        */
#define ADDR_OSHEAD     ((OSH**)0x4f2)  /* Pointer Os-header            */
#define ADDR_PHYSTOP    ((long*)0x42e)  /* End of ST-ram                */
#define ADDR_RAMTOP     ((long*)0x5a4)  /* End of TT-ram (unofficial)   */
#define ADDR_CHKRAMTOP  ((long*)0x5a8)  /*  above is valid (unofficial) */

#define RAMTOP_MAGIC    (0x1357bd13)    /* Magic no. for ADDR_CHKRAMTOP */

#define TTRAM_BASE      (0x1000000)     /* Fastram always starts here   */
#define CTRAM_BASE      (0x4000000)     /*  ... except on CT2 boards:   */
                                        /*         Logical : TTRAM_BASE */
                                        /*         Physical: CTRAM_BASE */

/*
 * Kernel parameter block
 */
typedef struct osdsc {
        const char *    ostype;
        const char *    osname;
        unsigned        rootfs;
        struct kparamb  kp;
} osdsc_t;

#define ksize           kp.ksize
#define kstart          kp.kp
#define kentry          kp.entry
#define k_esym          kp.esym_loc
#define stmem_size      kp.stmem_size
#define ttmem_size      kp.ttmem_size
#define ttmem_start     kp.ttmem_start
#define cputype         kp.bootflags
#define boothowto       kp.boothowto

#endif /* !_LIBTOS_TOSDEFS_H */