osfmk/i386/AT386/cram.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*
  29  * @OSF_COPYRIGHT@
  30  */
  31 /*
  32  * HISTORY
  33  *
  34  * Revision 1.1.1.1  1998/09/22 21:05:38  wsanchez
  35  * Import of Mac OS X kernel (~semeria)
  36  *
  37  * Revision 1.1.1.1  1998/03/07 02:25:39  wsanchez
  38  * Import of OSF Mach kernel (~mburg)
  39  *
  40  * Revision 1.1.6.1  1994/09/23  01:33:48  ezf
  41  *      change marker to not FREE
  42  *      [1994/09/22  21:16:06  ezf]
  43  *
  44  * Revision 1.1.2.2  1993/06/02  23:19:06  jeffc
  45  *      Added to OSF/1 R1.3 from NMK15.0.
  46  *      [1993/06/02  21:01:43  jeffc]
  47  *
  48  * Revision 1.1  1992/09/30  02:26:37  robert
  49  *      Initial revision
  50  *
  51  * $EndLog$
  52  */
  53 /* CMU_HIST */
  54 /*
  55  * Revision 2.5  91/05/14  16:22:13  mrt
  56  *      Correcting copyright
  57  *
  58  * Revision 2.4  91/02/05  17:16:50  mrt
  59  *      Changed to new Mach copyright
  60  *      [91/02/01  17:42:45  mrt]
  61  *
  62  * Revision 2.3  90/11/26  14:49:30  rvb
  63  *      jsb bet me to XMK34, sigh ...
  64  *      [90/11/26            rvb]
  65  *      Synched 2.5 & 3.0 at I386q (r1.5.1.3) & XMK35 (r2.3)
  66  *      [90/11/15            rvb]
  67  *
  68  * Revision 2.2  90/05/03  15:41:48  dbg
  69  *      First checkin.
  70  *
  71  * Revision 1.5.1.2  90/02/28  15:49:23  rvb
  72  *      Fix numerous typo's in Olivetti disclaimer.
  73  *      [90/02/28            rvb]
  74  *
  75  * Revision 1.5.1.1  90/01/08  13:31:57  rvb
  76  *      Add Olivetti copyright.
  77  *      [90/01/08            rvb]
  78  *
  79  * Revision 1.5  89/09/25  12:26:32  rvb
  80  *      File was provided by Intel 9/18/89.
  81  *      [89/09/23            rvb]
  82  *
  83  */
  84 /* CMU_ENDHIST */
  85 /*
  86  * Mach Operating System
  87  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
  88  * All Rights Reserved.
  89  *
  90  * Permission to use, copy, modify and distribute this software and its
  91  * documentation is hereby granted, provided that both the copyright
  92  * notice and this permission notice appear in all copies of the
  93  * software, derivative works or modified versions, and any portions
  94  * thereof, and that both notices appear in supporting documentation.
  95  *
  96  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  97  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  98  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  99  *
 100  * Carnegie Mellon requests users of this software to return to
 101  *
 102  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 103  *  School of Computer Science
 104  *  Carnegie Mellon University
 105  *  Pittsburgh PA 15213-3890
 106  *
 107  * any improvements or extensions that they make and grant Carnegie Mellon
 108  * the rights to redistribute these changes.
 109  */
 110 /*
 111  */
 112
 113 /*
 114  * cram.h
 115  */
 116
 117 /*
 118  * Copyright 1988, 1989 by Olivetti Advanced Technology Center, Inc.,
 119  * Cupertino, California.
 120  *
 121  *              All Rights Reserved
 122  *
 123  * Permission to use, copy, modify, and distribute this software and
 124  * its documentation for any purpose and without fee is hereby
 125  * granted, provided that the above copyright notice appears in all
 126  * copies and that both the copyright notice and this permission notice
 127  * appear in supporting documentation, and that the name of Olivetti
 128  * not be used in advertising or publicity pertaining to distribution
 129  * of the software without specific, written prior permission.
 130  *
 131  * OLIVETTI DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
 132  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
 133  * IN NO EVENT SHALL OLIVETTI BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
 134  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 135  * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
 136  * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUR OF OR IN CONNECTION
 137  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 138  *
 139  */
 140
 141 /*
 142  * outb(CMOS_ADDR, addr);
 143  * result = inb(CMOS_DATA);
 144  *
 145  * where "addr" tells what value you want to read (some are listed
 146  * below).  Interrupts should be disabled while you do this.
 147  */
 148
 149 /* I/O ports */
 150
 151 #define CMOS_ADDR       0x70            /* port for CMOS ram address */
 152 #define CMOS_DATA       0x71            /* port for CMOS ram data */
 153
 154
 155 /* Addresses, related masks, and potential results */
 156
 157 #define CMOS_EB         0x14            /* read Equipment Byte */
 158 #define CM_SCRMSK       0x30            /* mask for EB query to get screen */
 159 #define CM_EGA_VGA      0x00            /* "not CGA or MONO" */
 160 #define CM_CGA_40       0x10
 161 #define CM_CGA_80       0x20
 162 #define CM_MONO_80      0x30
 163