sys/arch/atari/stand/tostools/libtos/tosdefs.h

   1 /*      $NetBSD: tosdefs.h,v 1.3 2002/02/24 20:51:08 leo Exp $  */
   2
   3 /*-
   4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Leo Weppelman.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #ifndef _LIBTOS_TOSDEFS_H
  33 #define _LIBTOS_TOSDEFS_H
  34
  35 #include <sys/types.h>
  36
  37
  38 #include "kparamb.h"
  39
  40 /*
  41  * TOS variables in low memory
  42  */
  43 struct _gem_mupb;
  44 struct _basepage;
  45 struct _osheader {
  46         u_int16_t        os_entry;
  47         u_int16_t        os_version;
  48         void             *reseth;
  49         struct _osheader *os_beg;
  50         void             *os_end;
  51         u_int32_t        os_rsv1;
  52         struct _gem_mupb *os_magic;
  53         u_int32_t        os_date;
  54         u_int16_t        os_conf;
  55         u_int16_t        os_dosdate;
  56         char             **p_root;
  57         u_int8_t         **pkbshift;
  58         struct _basepage **p_run;
  59         char             *p_rsv2;
  60 };
  61
  62 typedef struct _osheader        OSH;
  63
  64 #define ADDR_P_COOKIE   ((long**)0x5a0) /* Pointer to cookie jar        */
  65 #define ADDR_OSHEAD     ((OSH**)0x4f2)  /* Pointer Os-header            */
  66 #define ADDR_PHYSTOP    ((long*)0x42e)  /* End of ST-ram                */
  67 #define ADDR_RAMTOP     ((long*)0x5a4)  /* End of TT-ram (unofficial)   */
  68 #define ADDR_CHKRAMTOP  ((long*)0x5a8)  /*  above is valid (unofficial) */
  69
  70 #define RAMTOP_MAGIC    (0x1357bd13)    /* Magic no. for ADDR_CHKRAMTOP */
  71
  72 #define TTRAM_BASE      (0x1000000)     /* Fastram always starts here   */
  73 #define CTRAM_BASE      (0x4000000)     /*  ... except on CT2 boards:   */
  74                                         /*         Logical : TTRAM_BASE */
  75                                         /*         Physical: CTRAM_BASE */
  76
  77 /*
  78  * Kernel parameter block
  79  */
  80 typedef struct osdsc {
  81         const char *    ostype;
  82         const char *    osname;
  83         unsigned        rootfs;
  84         struct kparamb  kp;
  85 } osdsc_t;
  86
  87 #define ksize           kp.ksize
  88 #define kstart          kp.kp
  89 #define kentry          kp.entry
  90 #define k_esym          kp.esym_loc
  91 #define stmem_size      kp.stmem_size
  92 #define ttmem_size      kp.ttmem_size
  93 #define ttmem_start     kp.ttmem_start
  94 #define cputype         kp.bootflags
  95 #define boothowto       kp.boothowto
  96
  97 #endif /* !_LIBTOS_TOSDEFS_H */