1 /* $NetBSD: intr.h,v 1.17 2007/12/03 15:33:59 ad Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe and Steve C. Woodford. 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 _MVME68K_INTR_H 40 #define _MVME68K_INTR_H 41 42 #include <sys/device.h> 43 #include <machine/psl.h> 44 45 #define IPL_NONE 0 /* disable only this interrupt */ 46 #define IPL_SOFTCLOCK 2 /* clock software interrupts */ 47 #define IPL_SOFTBIO 1 /* block software interrupts */ 48 #define IPL_SOFTNET 3 /* network software interrupts */ 49 #define IPL_SOFTSERIAL 4 /* serial software interrupts */ 50 #define IPL_VM 5 51 #define IPL_SCHED 6 52 #define IPL_HIGH 6 53 54 #ifdef _KERNEL 55 #define spl0() _spl0() 56 #define splsoftclock() splraise1() 57 #define splsoftbio() splraise1() 58 #define splsoftnet() splraise1() 59 #define splsoftserial() splraise1() 60 #define splvm() splraise3() 61 #define splsched() spl7() 62 #define splhigh() spl7() 63 64 #ifndef _LOCORE 65 66 typedef int ipl_t; 67 typedef struct { 68 uint16_t _psl; 69 } ipl_cookie_t; 70 71 ipl_cookie_t makeiplcookie(ipl_t); 72 73 static inline int 74 splraiseipl(ipl_cookie_t icookie) 75 { 76 77 return _splraise(icookie._psl); 78 } 79 80 static __inline void 81 splx(int sr) 82 { 83 84 __asm volatile("movw %0,%%sr" : : "di" (sr)); 85 } 86 87 #endif /* !_LOCORE */ 88 #endif /* _KERNEL */ 89 90 #endif /* _MVME68K_INTR_H */ 91