osfmk/i386/AT386/cram.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * @OSF_COPYRIGHT@
  27  */
  28 /*
  29  * HISTORY
  30  *
  31  * Revision 1.1.1.1  1998/09/22 21:05:38  wsanchez
  32  * Import of Mac OS X kernel (~semeria)
  33  *
  34  * Revision 1.1.1.1  1998/03/07 02:25:39  wsanchez
  35  * Import of OSF Mach kernel (~mburg)
  36  *
  37  * Revision 1.1.6.1  1994/09/23  01:33:48  ezf
  38  *      change marker to not FREE
  39  *      [1994/09/22  21:16:06  ezf]
  40  *
  41  * Revision 1.1.2.2  1993/06/02  23:19:06  jeffc
  42  *      Added to OSF/1 R1.3 from NMK15.0.
  43  *      [1993/06/02  21:01:43  jeffc]
  44  *
  45  * Revision 1.1  1992/09/30  02:26:37  robert
  46  *      Initial revision
  47  *
  48  * $EndLog$
  49  */
  50 /* CMU_HIST */
  51 /*
  52  * Revision 2.5  91/05/14  16:22:13  mrt
  53  *      Correcting copyright
  54  *
  55  * Revision 2.4  91/02/05  17:16:50  mrt
  56  *      Changed to new Mach copyright
  57  *      [91/02/01  17:42:45  mrt]
  58  *
  59  * Revision 2.3  90/11/26  14:49:30  rvb
  60  *      jsb bet me to XMK34, sigh ...
  61  *      [90/11/26            rvb]
  62  *      Synched 2.5 & 3.0 at I386q (r1.5.1.3) & XMK35 (r2.3)
  63  *      [90/11/15            rvb]
  64  *
  65  * Revision 2.2  90/05/03  15:41:48  dbg
  66  *      First checkin.
  67  *
  68  * Revision 1.5.1.2  90/02/28  15:49:23  rvb
  69  *      Fix numerous typo's in Olivetti disclaimer.
  70  *      [90/02/28            rvb]
  71  *
  72  * Revision 1.5.1.1  90/01/08  13:31:57  rvb
  73  *      Add Olivetti copyright.
  74  *      [90/01/08            rvb]
  75  *
  76  * Revision 1.5  89/09/25  12:26:32  rvb
  77  *      File was provided by Intel 9/18/89.
  78  *      [89/09/23            rvb]
  79  *
  80  */
  81 /* CMU_ENDHIST */
  82 /*
  83  * Mach Operating System
  84  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
  85  * All Rights Reserved.
  86  *
  87  * Permission to use, copy, modify and distribute this software and its
  88  * documentation is hereby granted, provided that both the copyright
  89  * notice and this permission notice appear in all copies of the
  90  * software, derivative works or modified versions, and any portions
  91  * thereof, and that both notices appear in supporting documentation.
  92  *
  93  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  94  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  95  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  96  *
  97  * Carnegie Mellon requests users of this software to return to
  98  *
  99  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 100  *  School of Computer Science
 101  *  Carnegie Mellon University
 102  *  Pittsburgh PA 15213-3890
 103  *
 104  * any improvements or extensions that they make and grant Carnegie Mellon
 105  * the rights to redistribute these changes.
 106  */
 107 /*
 108  */
 109
 110 /*
 111  * cram.h
 112  */
 113
 114 /*
 115  * Copyright 1988, 1989 by Olivetti Advanced Technology Center, Inc.,
 116  * Cupertino, California.
 117  *
 118  *              All Rights Reserved
 119  *
 120  * Permission to use, copy, modify, and distribute this software and
 121  * its documentation for any purpose and without fee is hereby
 122  * granted, provided that the above copyright notice appears in all
 123  * copies and that both the copyright notice and this permission notice
 124  * appear in supporting documentation, and that the name of Olivetti
 125  * not be used in advertising or publicity pertaining to distribution
 126  * of the software without specific, written prior permission.
 127  *
 128  * OLIVETTI DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
 129  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
 130  * IN NO EVENT SHALL OLIVETTI BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
 131  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 132  * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
 133  * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUR OF OR IN CONNECTION
 134  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 135  *
 136  */
 137
 138 /*
 139  * outb(CMOS_ADDR, addr);
 140  * result = inb(CMOS_DATA);
 141  *
 142  * where "addr" tells what value you want to read (some are listed
 143  * below).  Interrupts should be disabled while you do this.
 144  */
 145
 146 /* I/O ports */
 147
 148 #define CMOS_ADDR       0x70            /* port for CMOS ram address */
 149 #define CMOS_DATA       0x71            /* port for CMOS ram data */
 150
 151
 152 /* Addresses, related masks, and potential results */
 153
 154 #define CMOS_EB         0x14            /* read Equipment Byte */
 155 #define CM_SCRMSK       0x30            /* mask for EB query to get screen */
 156 #define CM_EGA_VGA      0x00            /* "not CGA or MONO" */
 157 #define CM_CGA_40       0x10
 158 #define CM_CGA_80       0x20
 159 #define CM_MONO_80      0x30
 160