intr.h revision 1.3
1/* $NetBSD: intr.h,v 1.3 2003/08/07 16:27:16 agc 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/* 98 * These four globals contain the appropriate PSL_S|PSL_IPL? values 99 * to raise interrupt priority to the requested level. 100 */ 101extern unsigned short cesfic_bioipl; 102extern unsigned short cesfic_netipl; 103extern unsigned short cesfic_ttyipl; 104extern unsigned short cesfic_impipl; 105 106/* These spl calls are used by machine-independent code. */ 107#define spllowersoftclock() spl1() 108#define splsoft() splraise1() 109#define splsoftclock() splsoft() 110#define splsoftnet() splsoft() 111#define splbio() _splraise(cesfic_bioipl) 112#define splnet() _splraise(cesfic_netipl) 113#define spltty() _splraise(cesfic_ttyipl) 114#define splvm() _splraise(cesfic_impipl) 115#define splclock() spl6() 116#define splstatclock() spl6() 117#define splhigh() spl7() 118#define splsched() spl7() 119#define spllock() spl7() 120 121/* watch out for side effects */ 122#define splx(s) (s & PSL_IPL ? _spl(s) : spl0()) 123 124int spl0 __P((void)); 125#endif /* _KERNEL && !_LOCORE */ 126 127#endif /* !_CESFIC_INTR_H_ */ 128