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Annotation of Gnu-Mach/i386/i386at/cram.h, revision 1.1.1.2

1.1       root        1: /* 
                      2:  * Mach Operating System
                      3:  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
                      4:  * All Rights Reserved.
                      5:  * 
                      6:  * Permission to use, copy, modify and distribute this software and its
                      7:  * documentation is hereby granted, provided that both the copyright
                      8:  * notice and this permission notice appear in all copies of the
                      9:  * software, derivative works or modified versions, and any portions
                     10:  * thereof, and that both notices appear in supporting documentation.
                     11:  * 
                     12:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
                     13:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
                     14:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
                     15:  * 
                     16:  * Carnegie Mellon requests users of this software to return to
                     17:  * 
                     18:  *  Software Distribution Coordinator  or  [email protected]
                     19:  *  School of Computer Science
                     20:  *  Carnegie Mellon University
                     21:  *  Pittsburgh PA 15213-3890
                     22:  * 
                     23:  * any improvements or extensions that they make and grant Carnegie Mellon
                     24:  * the rights to redistribute these changes.
                     25:  */
                     26: /*
                     27:  * cram.h
                     28:  */
                     29: 
                     30: /*
                     31:   Copyright 1988, 1989 by Olivetti Advanced Technology Center, Inc.,
                     32: Cupertino, California.
                     33: 
                     34:                All Rights Reserved
                     35: 
                     36:   Permission to use, copy, modify, and distribute this software and
                     37: its documentation for any purpose and without fee is hereby
                     38: granted, provided that the above copyright notice appears in all
                     39: copies and that both the copyright notice and this permission notice
                     40: appear in supporting documentation, and that the name of Olivetti
                     41: not be used in advertising or publicity pertaining to distribution
                     42: of the software without specific, written prior permission.
                     43: 
                     44:   OLIVETTI DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
                     45: INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
                     46: IN NO EVENT SHALL OLIVETTI BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
                     47: CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
                     48: LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
                     49: NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUR OF OR IN CONNECTION
                     50: WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     51: */
                     52: 
1.1.1.2 ! root       53: #ifndef _CRAM_H_
        !            54: #define _CRAM_H_
        !            55: 
1.1       root       56: /* 
                     57:  * outb(CMOS_ADDR, addr);
                     58:  * result = inb(CMOS_DATA);
                     59:  * 
                     60:  * where "addr" tells what value you want to read (some are listed 
                     61:  * below).  Interrupts should be disabled while you do this.
                     62:  */
                     63: 
                     64: /* I/O ports */
                     65: 
                     66: #define CMOS_ADDR      0x70            /* port for CMOS ram address */
                     67: #define CMOS_DATA      0x71            /* port for CMOS ram data */
                     68: 
                     69: 
                     70: /* Addresses, related masks, and potential results */
                     71: 
                     72: #define CMOS_EB                0x14            /* read Equipment Byte */
                     73: #define CM_SCRMSK      0x30            /* mask for EB query to get screen */
                     74: #define CM_EGA_VGA     0x00            /* "not CGA or MONO" */
                     75: #define CM_CGA_40      0x10
                     76: #define CM_CGA_80      0x20
                     77: #define CM_MONO_80     0x30
                     78: 
1.1.1.2 ! root       79: #endif /* _CRAM_H_ */

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