1 /* $NetBSD: intr.h,v 1.8 2001/04/13 23:30:07 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Minoura Makoto and Jason R. Thorpe. 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _X68K_INTR_H_ 40 #define _X68K_INTR_H_ 41 42 #include <machine/psl.h> 43 44 #if defined(_KERNEL) && !defined(_LOCORE) 45 46 /* spl0 requires checking for software interrupts */ 47 void spl0 __P((void)); 48 49 #define splnone() spl0() 50 #define spllowersoftclock() spl1() /* disallow softclock */ 51 #define splsoftclock() splraise1() /* disallow softclock */ 52 #define splsoftnet() splraise1() /* disallow softnet */ 53 #define splnet() _splraise(PSL_S|PSL_IPL4) /* disallow network */ 54 #define splbio() _splraise(PSL_S|PSL_IPL3) /* disallow block I/O */ 55 #define spltty() _splraise(PSL_S|PSL_IPL4) /* disallow tty interrupts */ 56 #define splvm() _splraise(PSL_S|PSL_IPL4) /* disallow vm */ 57 #define splzs() splraise5() /* disallow serial interrupts */ 58 #define splclock() splraise6() /* disallow clock interrupt */ 59 #define splstatclock() splraise6() /* disallow clock interrupt */ 60 #define splhigh() spl7() /* disallow everything */ 61 #define splsched() spl7() /* disallow scheduling */ 62 #define spllock() spl7() /* disallow scheduling */ 63 64 /* watch out for side effects */ 65 #define splx(s) ((s) & PSL_IPL ? _spl(s) : spl0()) 66 67 /* 68 * simulated software interrupt register 69 */ 70 extern unsigned char ssir; 71 72 #define SIR_NET 0x1 73 #define SIR_CLOCK 0x2 74 #define SIR_SERIAL 0x4 75 #define SIR_KBD 0x8 76 77 #define siroff(x) ssir &= ~(x) 78 #define setsoftnet() ssir |= SIR_NET 79 #define setsoftclock() ssir |= SIR_CLOCK 80 #define setsoftserial() ssir |= SIR_SERIAL 81 #define setsoftkbd() ssir |= SIR_KBD 82 83 #endif /* _KERNEL && ! _LOCORE */ 84 #endif 85