intr.h revision 1.1.18.2
1 1.1.18.2 jdolecek /* $NetBSD: intr.h,v 1.1.18.2 2017/12/03 11:36:34 jdolecek Exp $ */ 2 1.1.18.2 jdolecek 3 1.1.18.2 jdolecek /*- 4 1.1.18.2 jdolecek * Copyright (c) 2014 The NetBSD Foundation, Inc. 5 1.1.18.2 jdolecek * All rights reserved. 6 1.1.18.2 jdolecek * 7 1.1.18.2 jdolecek * This code is derived from software contributed to The NetBSD Foundation 8 1.1.18.2 jdolecek * by Matt Thomas of 3am Software Foundry. 9 1.1.18.2 jdolecek * 10 1.1.18.2 jdolecek * Redistribution and use in source and binary forms, with or without 11 1.1.18.2 jdolecek * modification, are permitted provided that the following conditions 12 1.1.18.2 jdolecek * are met: 13 1.1.18.2 jdolecek * 1. Redistributions of source code must retain the above copyright 14 1.1.18.2 jdolecek * notice, this list of conditions and the following disclaimer. 15 1.1.18.2 jdolecek * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.18.2 jdolecek * notice, this list of conditions and the following disclaimer in the 17 1.1.18.2 jdolecek * documentation and/or other materials provided with the distribution. 18 1.1.18.2 jdolecek * 19 1.1.18.2 jdolecek * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.1.18.2 jdolecek * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.1.18.2 jdolecek * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.1.18.2 jdolecek * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.1.18.2 jdolecek * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.1.18.2 jdolecek * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.1.18.2 jdolecek * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.1.18.2 jdolecek * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.1.18.2 jdolecek * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.1.18.2 jdolecek * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.1.18.2 jdolecek * POSSIBILITY OF SUCH DAMAGE. 30 1.1.18.2 jdolecek */ 31 1.1.18.2 jdolecek 32 1.1.18.2 jdolecek #ifndef _OR1K_INTR_H_ 33 1.1.18.2 jdolecek #define _OR1K_INTR_H_ 34 1.1.18.2 jdolecek 35 1.1.18.2 jdolecek #ifdef _LOCORE 36 1.1.18.2 jdolecek #error use "assym.h" 37 1.1.18.2 jdolecek #endif 38 1.1.18.2 jdolecek 39 1.1.18.2 jdolecek #ifdef _KERNEL 40 1.1.18.2 jdolecek 41 1.1.18.2 jdolecek #ifdef _KERNEL_OPT 42 1.1.18.2 jdolecek #include "opt_multiprocessor.h" 43 1.1.18.2 jdolecek #endif 44 1.1.18.2 jdolecek 45 1.1.18.2 jdolecek #ifdef MULTIPROCESSOR 46 1.1.18.2 jdolecek #define __HAVE_PREEMPTION 1 47 1.1.18.2 jdolecek #endif 48 1.1.18.2 jdolecek 49 1.1.18.2 jdolecek /* Interrupt priority "levels". */ 50 1.1.18.2 jdolecek #define IPL_NONE 0 /* nothing */ 51 1.1.18.2 jdolecek #define IPL_SOFTCLOCK 1 /* clock */ 52 1.1.18.2 jdolecek #define IPL_SOFTBIO 2 /* block I/O */ 53 1.1.18.2 jdolecek #define IPL_SOFTNET 3 /* software network interrupt */ 54 1.1.18.2 jdolecek #define IPL_SOFTSERIAL 4 /* software serial interrupt */ 55 1.1.18.2 jdolecek #define IPL_VM 5 /* memory allocation */ 56 1.1.18.2 jdolecek #define IPL_SCHED 6 /* clock interrupt */ 57 1.1.18.2 jdolecek #define IPL_HIGH 7 /* everything */ 58 1.1.18.2 jdolecek 59 1.1.18.2 jdolecek #define NIPL 8 60 1.1.18.2 jdolecek 61 1.1.18.2 jdolecek /* Interrupt sharing types. */ 62 1.1.18.2 jdolecek #define IST_NONE 0 /* none */ 63 1.1.18.2 jdolecek #define IST_PULSE 1 /* pulsed */ 64 1.1.18.2 jdolecek #define IST_EDGE 2 /* edge-triggered */ 65 1.1.18.2 jdolecek #define IST_LEVEL 3 /* level-triggered */ 66 1.1.18.2 jdolecek 67 1.1.18.2 jdolecek #define IST_LEVEL_LOW IST_LEVEL 68 1.1.18.2 jdolecek #define IST_LEVEL_HIGH 4 69 1.1.18.2 jdolecek #define IST_EDGE_FALLING IST_EDGE 70 1.1.18.2 jdolecek #define IST_EDGE_RISING 5 71 1.1.18.2 jdolecek #define IST_EDGE_BOTH 6 72 1.1.18.2 jdolecek #define IST_SOFT 7 73 1.1.18.2 jdolecek 74 1.1.18.2 jdolecek #include <or1k/pic/picvar.h> 75 1.1.18.2 jdolecek 76 1.1.18.2 jdolecek static inline void 77 1.1.18.2 jdolecek spl0(void) 78 1.1.18.2 jdolecek { 79 1.1.18.2 jdolecek (void)_spllower(IPL_NONE); 80 1.1.18.2 jdolecek } 81 1.1.18.2 jdolecek 82 1.1.18.2 jdolecek static inline int 83 1.1.18.2 jdolecek splsoftclock(void) 84 1.1.18.2 jdolecek { 85 1.1.18.2 jdolecek return _splraise(IPL_SOFTCLOCK); 86 1.1.18.2 jdolecek } 87 1.1.18.2 jdolecek 88 1.1.18.2 jdolecek static inline int 89 1.1.18.2 jdolecek splsoftbio(void) 90 1.1.18.2 jdolecek { 91 1.1.18.2 jdolecek return _splraise(IPL_SOFTBIO); 92 1.1.18.2 jdolecek } 93 1.1.18.2 jdolecek 94 1.1.18.2 jdolecek static inline int 95 1.1.18.2 jdolecek splsoftnet(void) 96 1.1.18.2 jdolecek { 97 1.1.18.2 jdolecek return _splraise(IPL_SOFTNET); 98 1.1.18.2 jdolecek } 99 1.1.18.2 jdolecek 100 1.1.18.2 jdolecek static inline int 101 1.1.18.2 jdolecek splsoftserial(void) 102 1.1.18.2 jdolecek { 103 1.1.18.2 jdolecek return _splraise(IPL_SOFTSERIAL); 104 1.1.18.2 jdolecek } 105 1.1.18.2 jdolecek 106 1.1.18.2 jdolecek static inline int 107 1.1.18.2 jdolecek splvm(void) 108 1.1.18.2 jdolecek { 109 1.1.18.2 jdolecek return _splraise(IPL_VM); 110 1.1.18.2 jdolecek } 111 1.1.18.2 jdolecek 112 1.1.18.2 jdolecek static inline int 113 1.1.18.2 jdolecek splsched(void) 114 1.1.18.2 jdolecek { 115 1.1.18.2 jdolecek return _splraise(IPL_SCHED); 116 1.1.18.2 jdolecek } 117 1.1.18.2 jdolecek 118 1.1.18.2 jdolecek static inline int 119 1.1.18.2 jdolecek splhigh(void) 120 1.1.18.2 jdolecek { 121 1.1.18.2 jdolecek return _splraise(IPL_HIGH); 122 1.1.18.2 jdolecek } 123 1.1.18.2 jdolecek 124 1.1.18.2 jdolecek typedef uint8_t ipl_t; 125 1.1.18.2 jdolecek typedef struct { 126 1.1.18.2 jdolecek ipl_t _ipl; 127 1.1.18.2 jdolecek } ipl_cookie_t; 128 1.1.18.2 jdolecek 129 1.1.18.2 jdolecek static inline ipl_cookie_t 130 1.1.18.2 jdolecek makeiplcookie(ipl_t ipl) 131 1.1.18.2 jdolecek { 132 1.1.18.2 jdolecek 133 1.1.18.2 jdolecek return (ipl_cookie_t){._ipl = ipl}; 134 1.1.18.2 jdolecek } 135 1.1.18.2 jdolecek 136 1.1.18.2 jdolecek static inline int 137 1.1.18.2 jdolecek splraiseipl(ipl_cookie_t icookie) 138 1.1.18.2 jdolecek { 139 1.1.18.2 jdolecek 140 1.1.18.2 jdolecek return _splraise(icookie._ipl); 141 1.1.18.2 jdolecek } 142 1.1.18.2 jdolecek 143 1.1.18.2 jdolecek #endif /* _KERNEL */ 144 1.1.18.2 jdolecek 145 1.1.18.2 jdolecek #endif /* _OR1K_INTR_H_ */ 146
Indexes created Thu Oct 16 14:10:15 GMT 2025