1 /* $NetBSD: intr.h,v 1.21 2009/05/19 18:39:27 phx 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 <m68k/psl.h> 43 44 #define IPL_NONE 0 45 #define IPL_SOFTCLOCK 1 46 #define IPL_SOFTBIO 1 47 #define IPL_SOFTNET 1 48 #define IPL_SOFTSERIAL 1 49 #define IPL_VM 2 50 #define IPL_SCHED 3 51 #define IPL_HIGH 4 52 #define _NIPL 5 53 54 extern int ipl2spl_table[_NIPL]; 55 56 typedef int ipl_t; 57 typedef struct { 58 uint16_t _ipl; 59 } ipl_cookie_t; 60 61 static inline ipl_cookie_t 62 makeiplcookie(ipl_t ipl) 63 { 64 65 return (ipl_cookie_t){._ipl = ipl}; 66 } 67 68 static inline int 69 splraiseipl(ipl_cookie_t icookie) 70 { 71 72 return _splraise(ipl2spl_table[icookie._ipl]); 73 } 74 75 #ifdef _KERNEL_OPT 76 #include "opt_lev6_defer.h" 77 #endif 78 79 #define spl0() _spl0() /* we have real software interrupts */ 80 #define splsoftclock() splraise1() 81 #define splsoftnet() splraise1() 82 #define splsoftserial() splraise1() 83 #define splsoftbio() splraise1() 84 #define splvm() splraise4() 85 86 #ifndef _LKM 87 88 #ifndef LEV6_DEFER 89 #define splsched() splraise6() 90 #define splhigh() spl7() 91 #else 92 #define splsched() splraise4() 93 #define splhigh() splraise4() 94 #endif 95 96 #else /* _LKM */ 97 98 extern int _spllkm6(void); 99 extern int _spllkm7(void); 100 101 #define splsched() _spllkm6() 102 #define splhigh() _spllkm7() 103 104 #endif /* _LKM */ 105 106 #define splx(s) _spl(s) 107 108 #endif /* !_AMIGA_INTR_H_ */ 109