/* $NetBSD: intr.h,v 1.1 2004/10/13 23:28:36 gavan Exp $ */ /* * Copyright (c) 2001, 2003 Wasabi Systems, Inc. * All rights reserved. * * Written by Jason R. Thorpe for Wasabi Systems, Inc. * * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed for the NetBSD Project by * Wasabi Systems, Inc. * 4. The name of Wasabi Systems, Inc. may not be used to endorse * or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC * 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. */ #ifndef _IYONIX_INTR_H_ #define _IYONIX_INTR_H_ #ifdef _KERNEL /* Interrupt priority "levels". */ #define IPL_NONE 0 /* nothing */ #define IPL_SOFT 1 /* generic software interrupts */ #define IPL_SOFTCLOCK 2 /* software clock interrupt */ #define IPL_SOFTNET 3 /* software network interrupt */ #define IPL_BIO 4 /* block I/O */ #define IPL_NET 5 /* network */ #define IPL_SOFTSERIAL 6 /* software serial interrupt */ #define IPL_TTY 7 /* terminals */ #define IPL_VM 8 /* memory allocation */ #define IPL_AUDIO 9 /* audio device */ #define IPL_CLOCK 10 /* clock interrupt */ #define IPL_STATCLOCK 11 /* statistics clock interrupt */ #define IPL_HIGH 12 /* everything */ #define IPL_SERIAL 13 /* serial device */ #define NIPL 14 /* Interrupt sharing types. */ #define IST_NONE 0 /* none */ #define IST_PULSE 1 /* pulsed */ #define IST_EDGE 2 /* edge-triggered */ #define IST_LEVEL 3 /* level-triggered */ #define IST_LEVEL_LOW IST_LEVEL #define IST_LEVEL_HIGH 4 #define IST_EDGE_FALLING IST_EDGE #define IST_EDGE_RISING 5 #define IST_EDGE_BOTH 6 #define __NEWINTR /* enables new hooks in cpu_fork()/cpu_switch() */ #ifndef _LOCORE #include #include #if defined(_LKM) int _splraise(int); int _spllower(int); void splx(int); void _setsoftintr(int); #else /* _LKM */ #include "opt_arm_intr_impl.h" #if defined(ARM_INTR_IMPL) /* * Each board needs to define the following functions: * * int _splraise(int); * int _spllower(int); * void splx(int); * void _setsoftintr(int); * * These may be defined as functions, static __inline functions, or macros, * but there must be a _spllower() and splx() defined as functions callable * from assembly language (for cpu_switch()). However, since it's quite * useful to be able to inline splx(), you could do something like the * following: * * in _intr.h: * static __inline int * boardtype_splx(int spl) * {...} * * #define splx(nspl) boardtype_splx(nspl) * ... * and in boardtype's machdep code: * * ... * #undef splx * int * splx(int spl) * { * return boardtype_splx(spl); * } */ #include ARM_INTR_IMPL #else /* ARM_INTR_IMPL */ #error ARM_INTR_IMPL not defined. #endif /* ARM_INTR_IMPL */ #endif /* _LKM */ #define splhigh() _splraise(IPL_HIGH) #define splsoft() _splraise(IPL_SOFT) #define splsoftclock() _splraise(IPL_SOFTCLOCK) #define splsoftnet() _splraise(IPL_SOFTNET) #define splbio() _splraise(IPL_BIO) #define splnet() _splraise(IPL_NET) #define spltty() _splraise(IPL_TTY) #define splvm() _splraise(IPL_VM) #define splaudio() _splraise(IPL_AUDIO) #define splclock() _splraise(IPL_CLOCK) #define splstatclock() _splraise(IPL_STATCLOCK) #define splserial() _splraise(IPL_SERIAL) #define spl0() _spllower(IPL_NONE) #define spllowersoftclock() _spllower(IPL_SOFTCLOCK) #define splsched() splhigh() #define spllock() splhigh() /* Use generic software interrupt support. */ #include #endif /* ! _LOCORE */ #endif /* _KERNEL */ #endif /* _IYONIX_INTR_H_ */