intr.h revision 1.1.2.2
1 1.1.2.2 is /* $NetBSD: intr.h,v 1.1.2.2 1997/03/12 14:46:52 is Exp $ */ 2 1.1.2.2 is 3 1.1.2.2 is /*- 4 1.1.2.2 is * Copyright (c) 1997 The NetBSD Foundation, Inc. 5 1.1.2.2 is * All rights reserved. 6 1.1.2.2 is * 7 1.1.2.2 is * Redistribution and use in source and binary forms, with or without 8 1.1.2.2 is * modification, are permitted provided that the following conditions 9 1.1.2.2 is * are met: 10 1.1.2.2 is * 1. Redistributions of source code must retain the above copyright 11 1.1.2.2 is * notice, this list of conditions and the following disclaimer. 12 1.1.2.2 is * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.2.2 is * notice, this list of conditions and the following disclaimer in the 14 1.1.2.2 is * documentation and/or other materials provided with the distribution. 15 1.1.2.2 is * 3. All advertising materials mentioning features or use of this software 16 1.1.2.2 is * must display the following acknowledgement: 17 1.1.2.2 is * This product includes software developed by the NetBSD 18 1.1.2.2 is * Foundation, Inc. and its contributors. 19 1.1.2.2 is * 4. Neither the name of The NetBSD Foundation nor the names of its 20 1.1.2.2 is * contributors may be used to endorse or promote products derived 21 1.1.2.2 is * from this software without specific prior written permission. 22 1.1.2.2 is * 23 1.1.2.2 is * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 24 1.1.2.2 is * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 1.1.2.2 is * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 1.1.2.2 is * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE 27 1.1.2.2 is * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 1.1.2.2 is * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 1.1.2.2 is * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 1.1.2.2 is * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 1.1.2.2 is * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 1.1.2.2 is * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 1.1.2.2 is * POSSIBILITY OF SUCH DAMAGE. 34 1.1.2.2 is */ 35 1.1.2.2 is 36 1.1.2.2 is #ifndef _ATARI_INTR_H_ 37 1.1.2.2 is #define _ATARI_INTR_H_ 38 1.1.2.2 is 39 1.1.2.2 is #define IPL_NONE 0 /* disable no interrupts */ 40 1.1.2.2 is #define IPL_BIO 3 /* disable block I/O interrupts */ 41 1.1.2.2 is #define IPL_NET 3 /* disable network interrupts */ 42 1.1.2.2 is #define IPL_TTY 4 /* disable terminal interrupts */ 43 1.1.2.2 is #define IPL_CLOCK 6 /* disable clock interrupts */ 44 1.1.2.2 is #define IPL_HIGH 7 /* disable all interrupts */ 45 1.1.2.2 is 46 1.1.2.2 is #define IST_UNUSABLE -1 /* interrupt cannot be used */ 47 1.1.2.2 is #define IST_NONE 0 /* none (dummy) */ 48 1.1.2.2 is #define IST_PULSE 1 /* pulsed */ 49 1.1.2.2 is #define IST_EDGE 2 /* edge-triggered */ 50 1.1.2.2 is #define IST_LEVEL 3 /* level-triggered */ 51 1.1.2.2 is 52 1.1.2.2 is /* 53 1.1.2.2 is * spl functions; all but spl0 are done in-line 54 1.1.2.2 is */ 55 1.1.2.2 is #include <machine/psl.h> 56 1.1.2.2 is 57 1.1.2.2 is #define _debug_spl(s) \ 58 1.1.2.2 is ({ \ 59 1.1.2.2 is register int _spl_r; \ 60 1.1.2.2 is \ 61 1.1.2.2 is __asm __volatile ("clrl %0; movew sr,%0; movew %1,sr" : \ 62 1.1.2.2 is "&=d" (_spl_r) : "di" (s)); \ 63 1.1.2.2 is if ((_spl_r&PSL_IPL) > (s&PSL_IPL)) \ 64 1.1.2.2 is printf ("%s:%d:spl(%d) ==> spl(%d)!!\n",__FILE__,__LINE__, \ 65 1.1.2.2 is ((PSL_IPL&_spl_r)>>8), ((PSL_IPL&s)>>8)); \ 66 1.1.2.2 is _spl_r; \ 67 1.1.2.2 is }) 68 1.1.2.2 is 69 1.1.2.2 is #define _spl_no_check(s) \ 70 1.1.2.2 is ({ \ 71 1.1.2.2 is register int _spl_r; \ 72 1.1.2.2 is \ 73 1.1.2.2 is __asm __volatile ("clrl %0; movew sr,%0; movew %1,sr" : \ 74 1.1.2.2 is "&=d" (_spl_r) : "di" (s)); \ 75 1.1.2.2 is _spl_r; \ 76 1.1.2.2 is }) 77 1.1.2.2 is 78 1.1.2.2 is #if defined (DEBUG) 79 1.1.2.2 is #define _spl _debug_spl 80 1.1.2.2 is #else 81 1.1.2.2 is #define _spl _spl_no_check 82 1.1.2.2 is #endif 83 1.1.2.2 is 84 1.1.2.2 is /* spl0 requires checking for software interrupts */ 85 1.1.2.2 is #define spl1() _spl(PSL_S|PSL_IPL1) 86 1.1.2.2 is #define spl2() _spl(PSL_S|PSL_IPL2) 87 1.1.2.2 is #define spl3() _spl(PSL_S|PSL_IPL3) 88 1.1.2.2 is #define spl4() _spl(PSL_S|PSL_IPL4) 89 1.1.2.2 is #define spl5() _spl(PSL_S|PSL_IPL5) 90 1.1.2.2 is #define spl6() _spl(PSL_S|PSL_IPL6) 91 1.1.2.2 is #define spl7() _spl(PSL_S|PSL_IPL7) 92 1.1.2.2 is 93 1.1.2.2 is #define splnone() spl0() 94 1.1.2.2 is #define splsoftclock() spl1() 95 1.1.2.2 is #define splsoftnet() spl1() 96 1.1.2.2 is #define splbio() spl3() 97 1.1.2.2 is #define splnet() spl3() 98 1.1.2.2 is /* 99 1.1.2.2 is * lowered to spl4 to allow for serial input into 100 1.1.2.2 is * private ringbuffer inspite of spltty 101 1.1.2.2 is */ 102 1.1.2.2 is #define spltty() spl4() 103 1.1.2.2 is #define splimp() spl4() 104 1.1.2.2 is #define splclock() spl6() 105 1.1.2.2 is #define splstatclock() spl6() 106 1.1.2.2 is #define splvm() spl6() 107 1.1.2.2 is #define splhigh() spl7() 108 1.1.2.2 is #define splsched() spl7() 109 1.1.2.2 is 110 1.1.2.2 is #define splx(s) (s & PSL_IPL ? _spl_no_check(s) : spl0()) 111 1.1.2.2 is 112 1.1.2.2 is #ifdef _KERNEL 113 1.1.2.2 is int spl0 __P((void)); 114 1.1.2.2 is #endif /* _KERNEL */ 115 1.1.2.2 is 116 1.1.2.2 is #endif /* _ATARI_INTR_H_ */ 117 1.1.2.2 is 118
Indexes created Fri Oct 03 15:10:06 GMT 2025