The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/isa/isareg.h

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    1 /*-
    2  * Copyright (c) 1990 The Regents of the University of California.
    3  * All rights reserved.
    4  *
    5  * This code is derived from software contributed to Berkeley by
    6  * William Jolitz.
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  * 4. Neither the name of the University nor the names of its contributors
   17  *    may be used to endorse or promote products derived from this software
   18  *    without specific prior written permission.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   30  * SUCH DAMAGE.
   31  *
   32  *      from: @(#)isa.h 5.7 (Berkeley) 5/9/91
   33  * $FreeBSD: releng/11.1/sys/isa/isareg.h 263379 2014-03-19 21:03:04Z imp $
   34  */
   35 
   36 #ifdef PC98
   37 #error isareg.h is included from PC-9801 source
   38 #endif
   39 
   40 #ifndef _ISA_ISA_H_
   41 #define _ISA_ISA_H_
   42 
   43 /*
   44  * ISA Bus conventions
   45  */
   46 
   47 /*
   48  * Input / Output Port Assignments
   49  */
   50 #ifndef IO_ISABEGIN
   51 #define IO_ISABEGIN     0x000           /* 0x000 - Beginning of I/O Registers */
   52 #define IO_ICU1         0x020           /* 8259A Interrupt Controller #1 */
   53 #define IO_KBD          0x060           /* 8042 Keyboard */
   54 #define IO_RTC          0x070           /* RTC */
   55 #define IO_ICU2         0x0A0           /* 8259A Interrupt Controller #2 */
   56 
   57 #define IO_MDA          0x3B0           /* Monochome Adapter */
   58 #define IO_VGA          0x3C0           /* E/VGA Ports */
   59 #define IO_CGA          0x3D0           /* CGA Ports */
   60 
   61 #endif /* !IO_ISABEGIN */
   62 
   63 /*
   64  * Input / Output Port Sizes
   65  */
   66 #define IO_CGASIZE      12              /* CGA controllers */
   67 #define IO_MDASIZE      12              /* Monochrome display controllers */
   68 #define IO_VGASIZE      16              /* VGA controllers */
   69 
   70 #endif /* !_ISA_ISA_H_ */

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