1 /* $NetBSD: intr.h,v 1.20 2008/04/28 20:23:12 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 1997 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Ignatios Souvatzis. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * machine/intr.h for the Amiga port. 34 * Currently, only a wrapper, for most of the stuff, around the old 35 * include files. 36 */ 37 38 #ifndef _AMIGA_INTR_H_ 39 #define _AMIGA_INTR_H_ 40 41 #include <amiga/amiga/isr.h> 42 #include <amiga/include/mtpr.h> 43 #include <m68k/psl.h> 44 45 #define IPL_NONE 0 46 #define IPL_SOFTCLOCK 1 47 #define IPL_SOFTBIO 1 48 #define IPL_SOFTNET 1 49 #define IPL_SOFTSERIAL 1 50 #define IPL_VM 2 51 #define IPL_SCHED 3 52 #define IPL_HIGH 4 53 #define _NIPL 5 54 55 extern int ipl2spl_table[_NIPL]; 56 57 typedef int ipl_t; 58 typedef struct { 59 uint16_t _ipl; 60 } ipl_cookie_t; 61 62 static inline ipl_cookie_t 63 makeiplcookie(ipl_t ipl) 64 { 65 66 return (ipl_cookie_t){._ipl = ipl}; 67 } 68 69 static inline int 70 splraiseipl(ipl_cookie_t icookie) 71 { 72 73 return _splraise(ipl2spl_table[icookie._ipl]); 74 } 75 76 #ifdef _KERNEL_OPT 77 #include "opt_lev6_defer.h" 78 #endif 79 80 #define spl0() _spl0() /* we have real software interrupts */ 81 #define splsoftclock() splraise1() 82 #define splsoftnet() splraise1() 83 #define splsoftserial() splraise1() 84 #define splsoftbio() splraise1() 85 #define splvm() splraise4() 86 87 #ifndef _LKM 88 89 #ifndef LEV6_DEFER 90 #define splsched() splraise6() 91 #define splhigh() spl7() 92 #else 93 #define splsched() splraise4() 94 #define splhigh() splraise4() 95 #endif 96 97 #else /* _LKM */ 98 99 extern int _spllkm6(void); 100 extern int _spllkm7(void); 101 102 #define splsched() _spllkm6() 103 #define splhigh() _spllkm7() 104 105 #endif /* _LKM */ 106 107 #define splx(s) _spl(s) 108 109 #endif /* !_AMIGA_INTR_H_ */ 110