1 /* $NetBSD: intr.h,v 1.8 2007/03/11 05:22:25 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1982, 1986, 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * the Systems Programming Group of the University of Utah Computer 9 * Science Department. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * from: Utah $Hdr: machparam.h 1.16 92/12/20$ 36 * 37 * from: @(#)param.h 8.1 (Berkeley) 6/10/93 38 */ 39 /* 40 * Copyright (c) 1988 University of Utah. 41 * 42 * This code is derived from software contributed to Berkeley by 43 * the Systems Programming Group of the University of Utah Computer 44 * Science Department. 45 * 46 * Redistribution and use in source and binary forms, with or without 47 * modification, are permitted provided that the following conditions 48 * are met: 49 * 1. Redistributions of source code must retain the above copyright 50 * notice, this list of conditions and the following disclaimer. 51 * 2. Redistributions in binary form must reproduce the above copyright 52 * notice, this list of conditions and the following disclaimer in the 53 * documentation and/or other materials provided with the distribution. 54 * 3. All advertising materials mentioning features or use of this software 55 * must display the following acknowledgement: 56 * This product includes software developed by the University of 57 * California, Berkeley and its contributors. 58 * 4. Neither the name of the University nor the names of its contributors 59 * may be used to endorse or promote products derived from this software 60 * without specific prior written permission. 61 * 62 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 63 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 64 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 65 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 66 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 67 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 68 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 69 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 70 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 71 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 72 * SUCH DAMAGE. 73 * 74 * from: Utah $Hdr: machparam.h 1.16 92/12/20$ 75 * 76 * from: @(#)param.h 8.1 (Berkeley) 6/10/93 77 */ 78 79 #ifndef _CESFIC_INTR_H_ 80 #define _CESFIC_INTR_H_ 81 82 /* 83 * spl functions; all but spl0 are done in-line 84 */ 85 #include <machine/psl.h> 86 87 #if defined(_KERNEL) && !defined(_LOCORE) 88 /* spl0 requires checking for software interrupts */ 89 #define spl1() _spl(PSL_S|PSL_IPL1) 90 #define spl2() _spl(PSL_S|PSL_IPL2) 91 #define spl3() _spl(PSL_S|PSL_IPL3) 92 #define spl4() _spl(PSL_S|PSL_IPL4) 93 #define spl5() _spl(PSL_S|PSL_IPL5) 94 #define spl6() _spl(PSL_S|PSL_IPL6) 95 #define spl7() _spl(PSL_S|PSL_IPL7) 96 97 /* These spl calls are used by machine-independent code. */ 98 #define splsoft() splraise1() 99 #define splsoftclock() splsoft() 100 #define splsoftnet() splsoft() 101 #define splbio() _splraise(ipl2spl_table[IPL_BIO]) 102 #define splnet() _splraise(ipl2spl_table[IPL_NET]) 103 #define spltty() _splraise(ipl2spl_table[IPL_TTY]) 104 #define splvm() _splraise(ipl2spl_table[IPL_VM]) 105 #define splclock() spl6() 106 #define splstatclock() spl6() 107 #define splhigh() spl7() 108 #define splsched() spl7() 109 #define spllock() spl7() 110 111 /* watch out for side effects */ 112 #define splx(s) (s & PSL_IPL ? _spl(s) : spl0()) 113 114 int spl0 __P((void)); 115 116 #define IPL_NONE 0 117 #define IPL_SOFTCLOCK 1 118 #define IPL_SOFTNET 2 119 #define IPL_SOFTSERIAL 3 120 #define IPL_SOFT 4 121 #define IPL_BIO 5 122 #define IPL_NET 6 123 #define IPL_TTY 7 124 #define IPL_VM 8 125 #define IPL_CLOCK 9 126 #define IPL_STATCLOCK 10 127 #define IPL_SCHED 11 128 #define IPL_HIGH 12 129 #define IPL_LOCK 13 130 #define NIPL 14 131 132 extern int ipl2spl_table[NIPL]; 133 134 typedef int ipl_t; 135 typedef struct { 136 uint16_t _ipl; 137 } ipl_cookie_t; 138 139 static inline ipl_cookie_t 140 makeiplcookie(ipl_t ipl) 141 { 142 143 return (ipl_cookie_t){._ipl = ipl}; 144 } 145 146 static inline int 147 splraiseipl(ipl_cookie_t icookie) 148 { 149 150 return _splraise(ipl2spl_table[icookie._ipl]); 151 } 152 153 #include <m68k/softintr.h> 154 155 #endif /* _KERNEL && !_LOCORE */ 156 157 #endif /* !_CESFIC_INTR_H_ */ 158