Annotation of XNU/osfmk/i386/AT386/cram.h, revision 1.1.1.1

1.1       root        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  [email protected]
                     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: 

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