Home | History | Annotate | Line # | Download | only in include
intr.h revision 1.1.1.2 
      1 /*	$NetBSD: intr.h,v 1.1.1.2 2000/02/22 11:05:14 soda Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1996 Charles M. Hannum.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *	This product includes software developed by Charles M. Hannum.
     17  * 4. The name of the author may not be used to endorse or promote products
     18  *    derived from this software without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _ARC_INTR_H_
     33 #define _ARC_INTR_H_
     34 
     35 /* Interrupt priority `levels'; not mutually exclusive. */
     36 #define	IPL_BIO		0	/* block I/O */
     37 #define	IPL_NET		1	/* network */
     38 #define	IPL_TTY		2	/* terminal */
     39 #define	IPL_CLOCK	3	/* clock */
     40 #define	IPL_IMP		4	/* memory allocation */
     41 #define	IPL_NONE	5	/* nothing */
     42 #define	IPL_HIGH	6	/* everything */
     43 
     44 /* Interrupt sharing types. */
     45 #define	IST_NONE	0	/* none */
     46 #define	IST_PULSE	1	/* pulsed */
     47 #define	IST_EDGE	2	/* edge-triggered */
     48 #define	IST_LEVEL	3	/* level-triggered */
     49 
     50 /* Soft interrupt masks. */
     51 #define	SIR_CLOCK	31
     52 #define	SIR_CLOCKMASK	((1 << SIR_CLOCK))
     53 #define	SIR_NET		30
     54 #define	SIR_NETMASK	((1 << SIR_NET) | SIR_CLOCKMASK)
     55 #define	SIR_TTY		29
     56 #define	SIR_TTYMASK	((1 << SIR_TTY) | SIR_CLOCKMASK)
     57 #define	SIR_ALLMASK	(SIR_CLOCKMASK | SIR_NETMASK | SIR_TTYMASK)
     58 
     59 #ifndef _LOCORE
     60 
     61 void setsoftclock __P((void));
     62 void clearsoftclock __P((void));
     63 int  splsoftclock __P((void));
     64 void setsoftnet   __P((void));
     65 void clearsoftnet __P((void));
     66 int  splsoftnet   __P((void));
     67 
     68 struct clockframe;
     69 void set_intr __P((int, int(*)(u_int, struct clockframe *), int));
     70 
     71 volatile int cpl, ipending, astpending;
     72 int imask[7];
     73 
     74 #endif /* _LOCORE */
     75 
     76 #endif /* _ARC_INTR_H_ */
     77