95 lines
3.2 KiB
C
95 lines
3.2 KiB
C
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/* $NetBSD: intr.h,v 1.5 1996/05/13 06:11:28 mycroft Exp $ */
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/*-
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* Copyright (c) 1996 Charles M. Hannum. 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. 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 by Charles M. Hannum.
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* 4. 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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* JNPR: intr.h,v 1.4 2007/08/09 11:23:32 katta
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* $FreeBSD$
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*/
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#ifndef _MACHINE_INTR_H_
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#define _MACHINE_INTR_H_
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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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#ifndef _LOCORE
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/*
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* Index into intrcnt[], which is defined in exceptions.S
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* Index # = irq # - 1
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*/
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#define INTRCNT_HARDCLOCK 0
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#define INTRCNT_RTC 1
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#define INTRCNT_SIO 2 /* irq 3 */
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#define INTRCNT_PE 3 /* irq 4 */
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#define INTRCNT_PICNIC 4 /* irq 5 */
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extern uint32_t idle_mask;
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extern void (*mips_ack_interrupt)(int, uint32_t);
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typedef int ih_func_t(void *);
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struct intr_event;
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struct mips_intr_handler {
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int (*ih_func) (void *);
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void *ih_arg;
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struct intr_event *ih_event;
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u_int ih_flags;
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volatile long *ih_count;
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int ih_level;
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int ih_irq;
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void *frame;
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};
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extern struct mips_intr_handler intr_handlers[];
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typedef void (*mask_fn)(void *);
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void mips_mask_irq(void);
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void mips_unmask_irq(void);
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struct trapframe;
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void mips_set_intr(int pri, uint32_t mask,
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uint32_t (*int_hand)(uint32_t, struct trapframe *));
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uint32_t mips_handle_interrupts(uint32_t pending, struct trapframe *cf);
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void intr_enable_source(uintptr_t irq);
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struct trapframe * mips_get_trapframe(void *ih_arg);
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int inthand_add(const char *name, u_int irq, void (*handler)(void *),
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void *arg, int flags, void **cookiep);
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int inthand_remove(u_int irq, void *cookie);
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void bvif_attach(void);
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#endif /* _LOCORE */
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#endif /* !_MACHINE_INTR_H_ */
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