47 lines
2.2 KiB
C
47 lines
2.2 KiB
C
/* $NetBSD: irq.h,v 1.1 2000/05/09 21:55:59 bjh21 Exp $ */
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/*-
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* Copyright (c) 2000 Ben Harris
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* All rights reserved.
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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. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* This file is part of NetBSD/arm26 -- a port of NetBSD to ARM2/3 machines. */
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/* return values from interrupt handlers */
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/* These are the same as arm32 uses */
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#define IRQ_HANDLED 1
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#define IRQ_NOT_HANDLED 0
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#define IRQ_MAYBE_HANDLED -1
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struct irq_handler;
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extern void irq_init __P((void));
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/* irq_handler is declared in machdep.h */
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/* splx, raisespl and lowerspl are declared in spl.h */
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extern struct irq_handler *irq_establish __P((int irqnum, int ipl,
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int func(void *), void *arg));
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extern char const *irq_string __P((struct irq_handler *h));
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extern void irq_enable __P((struct irq_handler *h));
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extern void irq_disable __P((struct irq_handler *h));
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extern void irq_genmasks __P((void));
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