1 /* $NetBSD: intr.h,v 1.15 2007/03/21 10:56:27 tsutsui Exp $ */ 2 3 /*- 4 * Copyright (c) 1997 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the NetBSD 18 * Foundation, Inc. and its contributors. 19 * 4. Neither the name of The NetBSD Foundation nor the names of its 20 * contributors may be used to endorse or promote products derived 21 * from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 #ifndef _ATARI_INTR_H_ 37 #define _ATARI_INTR_H_ 38 39 #define IPL_NONE 0 /* disable no interrupts */ 40 #define IPL_SOFTCLOCK 1 41 #define IPL_SOFTNET 2 42 #define IPL_SOFTSERIAL 3 43 #define IPL_SOFT 4 44 #define IPL_BIO 5 /* disable block I/O interrupts */ 45 #define IPL_NET 6 /* disable network interrupts */ 46 #define IPL_TTY 7 /* disable terminal interrupts */ 47 #define IPL_LPT IPL_TTY 48 #define IPL_VM 8 49 #define IPL_SERIAL 9 50 #define IPL_CLOCK 10 /* disable clock interrupts */ 51 #define IPL_STATCLOCK IPL_CLOCK 52 #define IPL_HIGH 11 /* disable all interrupts */ 53 #define IPL_SCHED IPL_HIGH 54 #define IPL_LOCK IPL_HIGH 55 #define NIPL 12 56 57 #define IST_UNUSABLE -1 /* interrupt cannot be used */ 58 #define IST_NONE 0 /* none (dummy) */ 59 #define IST_PULSE 1 /* pulsed */ 60 #define IST_EDGE 2 /* edge-triggered */ 61 #define IST_LEVEL 3 /* level-triggered */ 62 63 /* 64 * spl functions; all but spl0 are done in-line 65 */ 66 #include <machine/psl.h> 67 68 /* spl0 requires checking for software interrupts */ 69 70 #define splnone() spl0() 71 72 #define splsoft() splraise1() 73 #define splsoftclock() splsoft() 74 #define splsoftnet() splsoft() 75 #define splsoftserial() splsoft() 76 77 #define splbio() splraise3() 78 #define splnet() splraise3() 79 #define spltty() splraise4() 80 #define splvm() splraise4() 81 82 #define spllpt() spltty() 83 84 #define splclock() splraise6() 85 #define splstatclock() splraise6() 86 #define splhigh() spl7() 87 #define splsched() spl7() 88 #define spllock() spl7() 89 90 #define splx(s) ((s) & PSL_IPL ? _spl(s) : spl0()) 91 92 #ifdef _KERNEL 93 int spl0 __P((void)); 94 95 typedef int ipl_t; 96 typedef struct { 97 uint16_t _psl; 98 } ipl_cookie_t; 99 100 ipl_cookie_t makeiplcookie(ipl_t); 101 102 static inline int 103 splraiseipl(ipl_cookie_t icookie) 104 { 105 106 return _splraise(icookie._psl); 107 } 108 109 #include <m68k/softintr.h> 110 111 #endif /* _KERNEL */ 112 113 #endif /* _ATARI_INTR_H_ */ 114