sys/platform/pc32/icu/icu.h

   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  * 3. All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement:
  18  *      This product includes software developed by the University of
  19  *      California, Berkeley and its contributors.
  20  * 4. Neither the name of the University nor the names of its contributors
  21  *    may be used to endorse or promote products derived from this software
  22  *    without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34  * SUCH DAMAGE.
  35  *
  36  *      from: @(#)icu.h 5.6 (Berkeley) 5/9/91
  37  * $FreeBSD: src/sys/i386/isa/icu.h,v 1.18 1999/12/26 12:43:47 bde Exp $
  38  * $DragonFly: src/sys/platform/pc32/icu/icu.h,v 1.10 2006/10/23 21:50:30 dillon Exp $
  39  */
  40
  41 /*
  42  * AT/386 Interrupt Control constants
  43  * W. Jolitz 8/89
  44  */
  45
  46 #ifndef _ARCH_ICU_ICU_H_
  47 #define _ARCH_ICU_ICU_H_
  48
  49 /*
  50  * Note: The APIC uses different values for IRQxxx.
  51  *       Unfortunately many drivers use the 8259 values as indexes
  52  *       into tables, etc.  The APIC equivilants are kept as APIC_IRQxxx.
  53  *       The 8259 versions have to be used in SMP for legacy operation
  54  *       of the drivers.
  55  */
  56
  57 /*
  58  * Interrupt enable bit numbers - in normal order of priority
  59  * (which we change)
  60  */
  61 #define ICU_IRQ0                0       /* highest priority - timer */
  62 #define ICU_IRQ1                1
  63 #define ICU_IRQ_SLAVE           2
  64 #define ICU_IRQ8                8
  65 #define ICU_IRQ9                9
  66 #define ICU_IRQ2                ICU_IRQ9
  67 #define ICU_IRQ10               10
  68 #define ICU_IRQ11               11
  69 #define ICU_IRQ12               12
  70 #define ICU_IRQ13               13
  71 #define ICU_IRQ14               14
  72 #define ICU_IRQ15               15
  73 #define ICU_IRQ3                3       /* this is highest after rotation */
  74 #define ICU_IRQ4                4
  75 #define ICU_IRQ5                5
  76 #define ICU_IRQ6                6
  77 #define ICU_IRQ7                7       /* lowest - parallel printer */
  78
  79 #endif /* !_ARCH_ICU_ICU_H_ */