162 lines
4.8 KiB
C
162 lines
4.8 KiB
C
/* $NetBSD: intr.h,v 1.1 2004/10/13 23:28:36 gavan Exp $ */
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/*
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* Copyright (c) 2001, 2003 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Jason R. Thorpe for Wasabi Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _IYONIX_INTR_H_
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#define _IYONIX_INTR_H_
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#ifdef _KERNEL
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/* Interrupt priority "levels". */
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#define IPL_NONE 0 /* nothing */
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#define IPL_SOFT 1 /* generic software interrupts */
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#define IPL_SOFTCLOCK 2 /* software clock interrupt */
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#define IPL_SOFTNET 3 /* software network interrupt */
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#define IPL_BIO 4 /* block I/O */
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#define IPL_NET 5 /* network */
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#define IPL_SOFTSERIAL 6 /* software serial interrupt */
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#define IPL_TTY 7 /* terminals */
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#define IPL_VM 8 /* memory allocation */
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#define IPL_AUDIO 9 /* audio device */
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#define IPL_CLOCK 10 /* clock interrupt */
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#define IPL_STATCLOCK 11 /* statistics clock interrupt */
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#define IPL_HIGH 12 /* everything */
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#define IPL_SERIAL 13 /* serial device */
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#define NIPL 14
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/* Interrupt sharing types. */
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#define IST_NONE 0 /* none */
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#define IST_PULSE 1 /* pulsed */
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#define IST_EDGE 2 /* edge-triggered */
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#define IST_LEVEL 3 /* level-triggered */
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#define IST_LEVEL_LOW IST_LEVEL
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#define IST_LEVEL_HIGH 4
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#define IST_EDGE_FALLING IST_EDGE
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#define IST_EDGE_RISING 5
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#define IST_EDGE_BOTH 6
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#define __NEWINTR /* enables new hooks in cpu_fork()/cpu_switch() */
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#ifndef _LOCORE
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#include <sys/device.h>
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#include <sys/queue.h>
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#if defined(_LKM)
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int _splraise(int);
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int _spllower(int);
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void splx(int);
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void _setsoftintr(int);
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#else /* _LKM */
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#include "opt_arm_intr_impl.h"
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#if defined(ARM_INTR_IMPL)
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/*
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* Each board needs to define the following functions:
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*
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* int _splraise(int);
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* int _spllower(int);
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* void splx(int);
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* void _setsoftintr(int);
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*
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* These may be defined as functions, static __inline functions, or macros,
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* but there must be a _spllower() and splx() defined as functions callable
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* from assembly language (for cpu_switch()). However, since it's quite
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* useful to be able to inline splx(), you could do something like the
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* following:
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*
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* in <boardtype>_intr.h:
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* static __inline int
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* boardtype_splx(int spl)
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* {...}
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*
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* #define splx(nspl) boardtype_splx(nspl)
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* ...
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* and in boardtype's machdep code:
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*
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* ...
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* #undef splx
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* int
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* splx(int spl)
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* {
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* return boardtype_splx(spl);
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* }
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*/
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#include ARM_INTR_IMPL
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#else /* ARM_INTR_IMPL */
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#error ARM_INTR_IMPL not defined.
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#endif /* ARM_INTR_IMPL */
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#endif /* _LKM */
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#define splhigh() _splraise(IPL_HIGH)
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#define splsoft() _splraise(IPL_SOFT)
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#define splsoftclock() _splraise(IPL_SOFTCLOCK)
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#define splsoftnet() _splraise(IPL_SOFTNET)
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#define splbio() _splraise(IPL_BIO)
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#define splnet() _splraise(IPL_NET)
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#define spltty() _splraise(IPL_TTY)
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#define splvm() _splraise(IPL_VM)
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#define splaudio() _splraise(IPL_AUDIO)
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#define splclock() _splraise(IPL_CLOCK)
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#define splstatclock() _splraise(IPL_STATCLOCK)
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#define splserial() _splraise(IPL_SERIAL)
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#define spl0() _spllower(IPL_NONE)
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#define spllowersoftclock() _spllower(IPL_SOFTCLOCK)
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#define splsched() splhigh()
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#define spllock() splhigh()
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/* Use generic software interrupt support. */
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#include <arm/softintr.h>
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#endif /* ! _LOCORE */
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#endif /* _KERNEL */
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#endif /* _IYONIX_INTR_H_ */
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