1 /* $NetBSD: intr.h,v 1.7 2002/01/30 03:59:41 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 2001 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Jason R. Thorpe for Wasabi Systems, Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed for the NetBSD Project by 20 * Wasabi Systems, Inc. 21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 * or promote products derived from this software without specific prior 23 * written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 #ifndef _EVBARM_INTR_H_ 39 #define _EVBARM_INTR_H_ 40 41 #ifdef _KERNEL 42 43 /* Interrupt priority "levels". */ 44 #define IPL_NONE 0 /* nothing */ 45 #define IPL_SOFT 1 /* generic software interrupts */ 46 #define IPL_SOFTCLOCK 2 /* software clock interrupt */ 47 #define IPL_SOFTNET 3 /* software network interrupt */ 48 #define IPL_BIO 4 /* block I/O */ 49 #define IPL_NET 5 /* network */ 50 #define IPL_SOFTSERIAL 6 /* software serial interrupt */ 51 #define IPL_TTY 7 /* terminals */ 52 #define IPL_IMP 8 /* memory allocation */ 53 #define IPL_AUDIO 9 /* audio device */ 54 #define IPL_CLOCK 10 /* clock interrupt */ 55 #define IPL_STATCLOCK 11 /* statistics clock interrupt */ 56 #define IPL_HIGH 12 /* everything */ 57 #define IPL_SERIAL 13 /* serial device */ 58 59 #define NIPL 14 60 61 /* Interrupt sharing types. */ 62 #define IST_NONE 0 /* none */ 63 #define IST_PULSE 1 /* pulsed */ 64 #define IST_EDGE 2 /* edge-triggered */ 65 #define IST_LEVEL 3 /* level-triggered */ 66 67 #ifdef __OLD_INTERRUPT_CODE /* XXX XXX XXX */ 68 69 /* Software interrupt priority levels */ 70 71 #define SOFTIRQ_CLOCK 0 72 #define SOFTIRQ_NET 1 73 #define SOFTIRQ_SERIAL 2 74 75 #define SOFTIRQ_BIT(x) (1 << x) 76 77 #include <arm/arm32/psl.h> 78 79 #else /* ! __OLD_INTERRUPT_CODE */ 80 81 #define __NEWINTR /* enables new hooks in cpu_fork()/cpu_switch() */ 82 83 #ifndef _LOCORE 84 85 #include <sys/device.h> 86 #include <sys/queue.h> 87 88 int _splraise(int); /* provided by BSP */ 89 int _spllower(int); /* provided by BSP */ 90 void splx(int); /* provided by BSP */ 91 void _setsoftintr(int); /* provided by BSP */ 92 93 #define splhigh() _splraise(IPL_HIGH) 94 #define splsoft() _splraise(IPL_SOFT) 95 #define splsoftclock() _splraise(IPL_SOFTCLOCK) 96 #define splsoftnet() _splraise(IPL_SOFTNET) 97 #define splbio() _splraise(IPL_BIO) 98 #define splnet() _splraise(IPL_NET) 99 #define spltty() _splraise(IPL_TTY) 100 #define splvm() _splraise(IPL_IMP) 101 #define splaudio() _splraise(IPL_AUDIO) 102 #define splclock() _splraise(IPL_CLOCK) 103 #define splstatclock() _splraise(IPL_STATCLOCK) 104 #define splserial() _splraise(IPL_SERIAL) 105 106 #define spl0() _spllower(IPL_NONE) 107 #define spllowersoftclock() _spllower(IPL_SOFTCLOCK) 108 109 #define splsched() splhigh() 110 #define spllock() splhigh() 111 112 /* Use generic software interrupt support. */ 113 #include <arm/softintr.h> 114 115 #endif /* _LOCORE */ 116 117 #endif /* __OLD_INTERRUPT_CODE */ 118 119 #endif /* _KERNEL */ 120 121 #endif /* _EVBARM_INTR_H_ */ 122