65 lines
2.5 KiB
C
65 lines
2.5 KiB
C
/* $NetBSD: fiq.h,v 1.3 2001/09/10 23:17:49 bjh21 Exp $ */
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/*-
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* Copyright (c) 2001 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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#ifndef _ARM26_FIQ_H_
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#define _ARM26_FIQ_H_
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#include <arch/arm26/iobus/iocreg.h>
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/*
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* These definitions specify how the devices are wired to the IOC
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* interrupt lines.
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*/
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/* All systems */
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#define FIQ_EFIQ IOC_FIQ_FL /* Econet interrupt request */
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#define FIQ_PFIQ IOC_FIQ_IL0 /* Podule FIQ request */
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/* Archimedes systems */
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#define FIQ_FFDQ IOC_FIQ_FH0 /* Floppy disc data request */
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#define FIQ_FFIQ IOC_FIQ_FH1 /* Floppy disc interrupt request */
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/* IOEB systems */
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#define FIQ_FDDRQ IOC_FIQ_FH0 /* Floppy disc data request */
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#define FIQ_SINTR IOC_FIQ_C4 /* Serial line interrupt */
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struct fiq_regs {
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register_t r8_fiq;
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register_t r9_fiq;
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register_t r10_fiq;
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register_t r11_fiq;
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register_t r12_fiq;
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register_t r13_fiq;
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};
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extern int fiq_claim(void *, size_t);
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extern void fiq_release(void);
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extern void fiq_installhandler(void *, size_t);
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extern void fiq_setregs(const struct fiq_regs *);
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extern void fiq_getregs(struct fiq_regs *);
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extern void (*fiq_downgrade_handler)(void);
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#endif
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