intr.h revision 1.11
1/* $NetBSD: intr.h,v 1.11 2009/03/14 14:45:58 dsl 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 splsoftclock() splraise1() 99#define splsoftbio() splraise1() 100#define splsoftnet() splraise1() 101#define splsoftserial() splraise1() 102#define splvm() splraise4() 103#define splsched() spl6() 104#define splhigh() spl7() 105 106/* watch out for side effects */ 107#define splx(s) (s & PSL_IPL ? _spl(s) : spl0()) 108 109int spl0(void); 110 111#define IPL_NONE 0 112#define IPL_SOFTCLOCK 1 113#define IPL_SOFTBIO 1 114#define IPL_SOFTNET 3 115#define IPL_SOFTSERIAL 4 116#define IPL_VM 5 117#define IPL_SCHED 6 118#define IPL_HIGH 7 119#define NIPL 8 120 121extern const uint16_t ipl2psl_table[NIPL]; 122 123typedef int ipl_t; 124typedef struct { 125 uint16_t _psl; 126} ipl_cookie_t; 127 128static inline ipl_cookie_t 129makeiplcookie(ipl_t ipl) 130{ 131 132 return (ipl_cookie_t){._psl = ipl2psl_table[ipl]}; 133} 134 135static inline int 136splraiseipl(ipl_cookie_t icookie) 137{ 138 139 return _splraise(icookie._psl); 140} 141 142#include <m68k/softintr.h> 143 144#endif /* _KERNEL && !_LOCORE */ 145 146#endif /* !_CESFIC_INTR_H_ */ 147