1 /* $NetBSD: psl.h,v 1.5 2001/10/27 16:37:24 rearnsha Exp $ */ 2 3 /* 4 * Copyright (c) 1995 Mark Brinicombe. 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 Mark Brinicombe 18 * for the NetBSD Project. 19 * 4. The name of the company nor the name of the author may be used to 20 * endorse or promote products derived from this software without specific 21 * prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 24 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 25 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * RiscBSD kernel project 36 * 37 * psl.h 38 * 39 * spl prototypes. 40 * Eventually this will become a set of defines. 41 * 42 * Created : 21/07/95 43 */ 44 45 #ifndef _ARM_PSL_H_ 46 #define _ARM_PSL_H_ 47 #include <machine/intr.h> 48 49 /* 50 * These are the different SPL states 51 * 52 * Each state has an interrupt mask associated with it which 53 * indicate which interrupts are allowed. 54 */ 55 56 #define _SPL_0 0 57 #define _SPL_SOFTCLOCK 1 58 #define _SPL_SOFTNET 2 59 #define _SPL_BIO 3 60 #define _SPL_NET 4 61 #define _SPL_SOFTSERIAL 5 62 #define _SPL_TTY 6 63 #define _SPL_IMP 7 64 #define _SPL_AUDIO 8 65 #define _SPL_CLOCK 9 66 #define _SPL_STATCLOCK 10 67 #define _SPL_HIGH 11 68 #define _SPL_SERIAL 12 69 #define _SPL_LEVELS 13 70 71 #define spl0() splx(_SPL_0) 72 /*#define splsoft() raisespl(_SPL_SOFT)*/ 73 #define splsoftnet() raisespl(_SPL_SOFTNET) 74 #define spllowersoftclock() lowerspl(_SPL_SOFTCLOCK) 75 #define splsoftclock() raisespl(_SPL_SOFTCLOCK) 76 #define splbio() raisespl(_SPL_BIO) 77 #define splnet() raisespl(_SPL_NET) 78 #define splsoftserial() raisespl(_SPL_SOFTSERIAL) 79 #define spltty() raisespl(_SPL_TTY) 80 #define spllpt() spltty() 81 #define splvm() raisespl(_SPL_IMP) 82 #define splaudio() raisespl(_SPL_AUDIO) 83 #define splclock() raisespl(_SPL_CLOCK) 84 #define splstatclock() raisespl(_SPL_STATCLOCK) 85 #define splserial() raisespl(_SPL_SERIAL) 86 #define splhigh() raisespl(_SPL_HIGH) 87 88 #define splsched() splhigh() 89 #define spllock() splhigh() 90 91 #ifdef _KERNEL 92 #ifndef _LOCORE 93 int raisespl __P((int)); 94 int lowerspl __P((int)); 95 int splx __P((int)); 96 97 void setsoftast __P((void)); 98 void setsoftclock __P((void)); 99 void setsoftnet __P((void)); 100 void setsoftserial __P((void)); 101 void setsoftintr __P((u_int intrmask)); 102 103 extern int current_spl_level; 104 105 extern u_int spl_masks[_SPL_LEVELS + 1]; 106 extern u_int spl_smasks[_SPL_LEVELS]; 107 #endif /* _LOCORE */ 108 #endif /* _KERNEL */ 109 110 #endif /* _ARM_PSL_H_ */ 111 /* End of psl.h */ 112