1 /* $NetBSD: intr.h,v 1.2 2002/01/14 19:59:31 kleink Exp $ */ 2 3 /* 4 * Copyright (c) 1988 University of Utah. 5 * Copyright (c) 1982, 1986, 1990, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * the Systems Programming Group of the University of Utah Computer 10 * Science Department. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * from: Utah $Hdr: machparam.h 1.16 92/12/20$ 41 * 42 * from: @(#)param.h 8.1 (Berkeley) 6/10/93 43 */ 44 45 #ifndef _CESFIC_INTR_H_ 46 #define _CESFIC_INTR_H_ 47 48 /* 49 * spl functions; all but spl0 are done in-line 50 */ 51 #include <machine/psl.h> 52 53 #if defined(_KERNEL) && !defined(_LOCORE) 54 /* spl0 requires checking for software interrupts */ 55 #define spl1() _spl(PSL_S|PSL_IPL1) 56 #define spl2() _spl(PSL_S|PSL_IPL2) 57 #define spl3() _spl(PSL_S|PSL_IPL3) 58 #define spl4() _spl(PSL_S|PSL_IPL4) 59 #define spl5() _spl(PSL_S|PSL_IPL5) 60 #define spl6() _spl(PSL_S|PSL_IPL6) 61 #define spl7() _spl(PSL_S|PSL_IPL7) 62 63 /* 64 * These four globals contain the appropriate PSL_S|PSL_IPL? values 65 * to raise interrupt priority to the requested level. 66 */ 67 extern unsigned short cesfic_bioipl; 68 extern unsigned short cesfic_netipl; 69 extern unsigned short cesfic_ttyipl; 70 extern unsigned short cesfic_impipl; 71 72 /* These spl calls are used by machine-independent code. */ 73 #define spllowersoftclock() spl1() 74 #define splsoft() splraise1() 75 #define splsoftclock() splsoft() 76 #define splsoftnet() splsoft() 77 #define splbio() _splraise(cesfic_bioipl) 78 #define splnet() _splraise(cesfic_netipl) 79 #define spltty() _splraise(cesfic_ttyipl) 80 #define splvm() _splraise(cesfic_impipl) 81 #define splclock() spl6() 82 #define splstatclock() spl6() 83 #define splhigh() spl7() 84 #define splsched() spl7() 85 #define spllock() spl7() 86 87 /* watch out for side effects */ 88 #define splx(s) (s & PSL_IPL ? _spl(s) : spl0()) 89 90 int spl0 __P((void)); 91 #endif /* _KERNEL && !_LOCORE */ 92 93 #endif /* !_CESFIC_INTR_H_ */ 94