Source to osfmk/i386/AT386/cram.h

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/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * @OSF_COPYRIGHT@
 */
/*
 * HISTORY
 * 
 * Revision 1.1.1.1  1998/09/22 21:05:38  wsanchez
 * Import of Mac OS X kernel (~semeria)
 *
 * Revision 1.1.1.1  1998/03/07 02:25:39  wsanchez
 * Import of OSF Mach kernel (~mburg)
 *
 * Revision 1.1.6.1  1994/09/23  01:33:48  ezf
 * 	change marker to not FREE
 * 	[1994/09/22  21:16:06  ezf]
 *
 * Revision 1.1.2.2  1993/06/02  23:19:06  jeffc
 * 	Added to OSF/1 R1.3 from NMK15.0.
 * 	[1993/06/02  21:01:43  jeffc]
 * 
 * Revision 1.1  1992/09/30  02:26:37  robert
 * 	Initial revision
 * 
 * $EndLog$
 */
/* CMU_HIST */
/*
 * Revision 2.5  91/05/14  16:22:13  mrt
 * 	Correcting copyright
 * 
 * Revision 2.4  91/02/05  17:16:50  mrt
 * 	Changed to new Mach copyright
 * 	[91/02/01  17:42:45  mrt]
 * 
 * Revision 2.3  90/11/26  14:49:30  rvb
 * 	jsb bet me to XMK34, sigh ...
 * 	[90/11/26            rvb]
 * 	Synched 2.5 & 3.0 at I386q (r1.5.1.3) & XMK35 (r2.3)
 * 	[90/11/15            rvb]
 * 
 * Revision 2.2  90/05/03  15:41:48  dbg
 * 	First checkin.
 * 
 * Revision 1.5.1.2  90/02/28  15:49:23  rvb
 * 	Fix numerous typo's in Olivetti disclaimer.
 * 	[90/02/28            rvb]
 * 
 * Revision 1.5.1.1  90/01/08  13:31:57  rvb
 * 	Add Olivetti copyright.
 * 	[90/01/08            rvb]
 * 
 * Revision 1.5  89/09/25  12:26:32  rvb
 * 	File was provided by Intel 9/18/89.
 * 	[89/09/23            rvb]
 * 
 */
/* CMU_ENDHIST */
/* 
 * Mach Operating System
 * Copyright (c) 1991,1990,1989 Carnegie Mellon University
 * All Rights Reserved.
 * 
 * Permission to use, copy, modify and distribute this software and its
 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 * 
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 * 
 * Carnegie Mellon requests users of this software to return to
 * 
 *  Software Distribution Coordinator  or  [email protected]
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 * 
 * any improvements or extensions that they make and grant Carnegie Mellon
 * the rights to redistribute these changes.
 */
/* 
 */

/*
 * cram.h
 */

/*
 * Copyright 1988, 1989 by Olivetti Advanced Technology Center, Inc.,
 * Cupertino, California.
 * 
 * 		All Rights Reserved
 * 
 * Permission to use, copy, modify, and distribute this software and
 * its documentation for any purpose and without fee is hereby
 * granted, provided that the above copyright notice appears in all
 * copies and that both the copyright notice and this permission notice
 * appear in supporting documentation, and that the name of Olivetti
 * not be used in advertising or publicity pertaining to distribution
 * of the software without specific, written prior permission.
 * 
 * OLIVETTI DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
 * IN NO EVENT SHALL OLIVETTI BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
 * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUR OF OR IN CONNECTION
 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 * 
 */

/* 
 * outb(CMOS_ADDR, addr);
 * result = inb(CMOS_DATA);
 * 
 * where "addr" tells what value you want to read (some are listed 
 * below).  Interrupts should be disabled while you do this.
 */

/* I/O ports */

#define CMOS_ADDR	0x70		/* port for CMOS ram address */
#define CMOS_DATA	0x71		/* port for CMOS ram data */


/* Addresses, related masks, and potential results */

#define CMOS_EB		0x14		/* read Equipment Byte */
#define CM_SCRMSK	0x30		/* mask for EB query to get screen */
#define CM_EGA_VGA	0x00		/* "not CGA or MONO" */
#define CM_CGA_40	0x10
#define CM_CGA_80	0x20
#define CM_MONO_80	0x30