/*      $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 */