osfmk/i386/AT386/cram.h

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