freebsd-dev/sys/powerpc/include/intr_machdep.h
Benno Rice f6a7723dff Add interrupt handling support code.
I've tried to make this fairly platform-independant as some PowerPC platforms
may not have openpic-style interrupt controllers.  This may not have the best
performance but it works for now.
2002-07-09 11:12:20 +00:00

50 lines
1.8 KiB
C

/*
* Copyright (C) 2002 Benno Rice.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY Benno Rice ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _MACHINE_INTR_MACHDEP_H_
#define _MACHINE_INTR_MACHDEP_H_
typedef void ih_func_t(void *);
struct ithd;
struct intr_handler {
ih_func_t *ih_func;
void *ih_arg;
struct ithd *ih_ithd;
u_int ih_irq;
};
void intr_init(void (*)(void), int, void (*)(int), void (*)(int));
void intr_setup(u_int, ih_func_t *, void *);
int inthand_add(const char *, u_int, void (*)(void *), void *, int,
void **);
int inthand_remove(u_int, void *);
void intr_handle(u_int);
#endif /* _MACHINE_INTR_MACHDEP_H_ */