1 /* $NetBSD: intr.h,v 1.2 2020/07/23 19:25:14 skrll Exp $ */ 2 3 /* 4 * Copyright (c) 2001, 2003 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 _EPOC32_INTR_H_ 39 #define _EPOC32_INTR_H_ 40 41 #ifdef _KERNEL 42 43 /* Interrupt priority "levels". */ 44 #define IPL_NONE 0 /* nothing */ 45 #define IPL_SOFTCLOCK 1 /* timeouts */ 46 #define IPL_SOFTBIO 2 /* block I/O */ 47 #define IPL_SOFTNET 3 /* software network interrupt */ 48 #define IPL_SOFTSERIAL 4 /* software serial interrupt */ 49 #define IPL_VM 5 /* memory allocation */ 50 #define IPL_SCHED 6 /* clock interrupt */ 51 #define IPL_HIGH 7 /* everything */ 52 53 #define NIPL 8 54 55 /* Interrupt sharing types. */ 56 #define IST_NONE 0 /* none */ 57 #define IST_PULSE 1 /* pulsed */ 58 #define IST_EDGE 2 /* edge-triggered */ 59 #define IST_LEVEL 3 /* level-triggered */ 60 61 #define __NEWINTR /* enables new hooks in cpu_fork()/cpu_switch() */ 62 63 #define ARM_IRQ_HANDLER _C_LABEL(epoc32_irq_handler) 64 65 #ifndef _LOCORE 66 67 #include <sys/queue.h> 68 69 #define PIC_MAXSOURCES 16 70 #define PIC_MAXMAXSOURCES 16 71 72 #include <arm/pic/picvar.h> 73 74 #define splsoft() _splraise(IPL_SOFT) 75 76 typedef uint8_t ipl_t; 77 typedef struct { 78 ipl_t _ipl; 79 } ipl_cookie_t; 80 81 static inline ipl_cookie_t 82 makeiplcookie(ipl_t ipl) 83 { 84 85 return (ipl_cookie_t){._ipl = ipl}; 86 } 87 88 static inline int 89 splraiseipl(ipl_cookie_t icookie) 90 { 91 92 return _splraise(icookie._ipl); 93 } 94 95 #define spl0() _spllower(IPL_NONE) 96 97 #include <sys/spl.h> 98 99 #endif /* ! _LOCORE */ 100 101 #endif /* _KERNEL */ 102 103 #endif /* _EPOC32_INTR_H_ */ 104