pic_mca.c

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    1 /* 
    2  * Mach Operating System
    3  * Copyright (c) 1991,1990 Carnegie Mellon University
    4  * Copyright (c) 1991 IBM Corporation 
    5  * All Rights Reserved.
    6  * 
    7  * Permission to use, copy, modify and distribute this software and its
    8  * documentation is hereby granted, provided that both the copyright
    9  * notice and this permission notice appear in all copies of the
   10  * software, derivative works or modified versions, and any portions
   11  * thereof, and that both notices appear in supporting documentation,
   12  * and that the name IBM not be used in advertising or publicity 
   13  * pertaining to distribution of the software without specific, written
   14  * prior permission.
   15  * 
   16  * CARNEGIE MELLON AND IBM ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS IS"
   17  * CONDITION.  CARNEGIE MELLON AND IBM DISCLAIM ANY LIABILITY OF ANY KIND FOR
   18  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
   19  * 
   20  * Carnegie Mellon requests users of this software to return to
   21  * 
   22  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
   23  *  School of Computer Science
   24  *  Carnegie Mellon University
   25  *  Pittsburgh PA 15213-3890
   26  * 
   27  * any improvements or extensions that they make and grant Carnegie Mellon
   28  * the rights to redistribute these changes.
   29  */
   30 
   31 /* 
   32  * HISTORY
   33  * $Log:        pic_mca.c,v $
   34  * Revision 2.2  93/02/04  08:01:32  danner
   35  *      Integrate PS2 code from IBM.
   36  *      [93/01/18            prithvi]
   37  *      Synched 2.5 & 3.0 at I386q (r2.1.1.2) & XMK35 (r2.1)
   38  *      [90/11/15            rvb]
   39  * 
   40  *      We don't want to see clock interrupts till clkstart(),
   41  *      but we can not turn the interrupt off so we disable them.
   42  *      2.5 ONLY!
   43  *      [90/11/05            rvb]
   44  *      Created based on pic.c
   45  *      [90/06/16            rvb]
   46  * 
   47  */
   48 
   49 #include <sys/types.h>
   50 #include <i386/ipl.h>
   51 #include <i386/pic.h>
   52 
   53 
   54 /* These interrupts are always present */
   55 extern intnull(), fpintr(), hardclock(), kdintr();
   56 extern prtnull();
   57 
   58 int (*ivect[NINTR])() = {
   59         /* 00 */        hardclock,      /* always */
   60         /* 01 */        kdintr,         /* kdintr, ... */
   61         /* 02 */        intnull,
   62         /* 03 */        intnull,        /* lnpoll, comintr, ... */
   63 
   64         /* 04 */        intnull,        /* comintr, ... */
   65         /* 05 */        intnull,        /* comintr, wtintr, ... */
   66         /* 06 */        intnull,        /* fdintr, ... */
   67         /* 07 */        prtnull,        /* qdintr, ... */
   68 
   69         /* 08 */        intnull,
   70         /* 09 */        intnull,        /* ether */
   71         /* 10 */        intnull,
   72         /* 11 */        intnull,
   73 
   74         /* 12 */        intnull,
   75         /* 13 */        fpintr,         /* always */
   76         /* 14 */        intnull,        /* hdintr, ... */
   77         /* 15 */        intnull,        /* ??? */
   78 };
   79 
   80 u_char intpri[NINTR] = {
   81 #ifdef  MACH_KERNEL
   82         /* 00 */        SPLHI,
   83         /* 01 */        0,
   84         /* 02 */        0,
   85         /* 03 */        0,
   86 #else   MACH_KERNEL
   87         /* 00 */        0,
   88         /* 01 */        0,
   89         /* 02 */        0,
   90         /* 03 */        0,
   91 #endif  MACH_KERNEL
   92         /* 04 */        0,      0,      0,      0,
   93         /* 08 */        0,      0,      0,      0,
   94         /* 12 */        0,      SPL1,   0,      0,
   95 };

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FreeBSD/Linux Kernel Cross Reference sys/i386ps2/pic_mca.c

FreeBSD/Linux Kernel Cross Reference
sys/i386ps2/pic_mca.c