94 lines
3.1 KiB
C
94 lines
3.1 KiB
C
/* $NetBSD: spl.h,v 1.1 2000/05/09 21:56:00 bjh21 Exp $ */
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/*-
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* Copyright (c) 1998 Ben Harris
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* This file is part of NetBSD/arm26 -- a port of NetBSD to ARM2/3 machines. */
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/*
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* spl.h -- Software priority levels, I think.
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*/
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#ifndef _ARM26_SPL_H
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#define _ARM26_SPL_H
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/*
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* These are the different SPL states
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*
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* Each state has an interrupt mask associated with it which
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* indicate which interrupts are allowed.
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*/
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#define IPL_NONE 0
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#define IPL_SOFTCLOCK 1
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#define IPL_SOFTNET 2
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#define IPL_BIO 3
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#define IPL_NET 4
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#define IPL_TTY 5
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#define IPL_IMP 6
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#define IPL_AUDIO 7
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#define IPL_SERIAL 8
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#define IPL_CLOCK 9
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#define IPL_STATCLOCK 10
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#define IPL_SCHED 11
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#define IPL_HIGH 12
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#define NIPL IPL_HIGH + 1
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#define spl0() splx(IPL_NONE)
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#define splsoftnet() raisespl(IPL_SOFTNET)
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#define splsoftclock() raisespl(IPL_SOFTCLOCK)
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#define spllowersoftclock() lowerspl(IPL_SOFTCLOCK)
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#define splsoft() splsoftnet()
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#define splbio() raisespl(IPL_BIO)
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#define splnet() raisespl(IPL_NET)
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#define spltty() raisespl(IPL_TTY)
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#define splimp() raisespl(IPL_IMP)
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#define splaudio() raisespl(IPL_AUDIO)
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#define splclock() raisespl(IPL_CLOCK)
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#define splstatclock() raisespl(IPL_STATCLOCK)
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#define splhigh() splx(IPL_HIGH)
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#define signotify(p) setsoftast()
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#ifdef _KERNEL
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#ifndef ASSEMBLER
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extern int raisespl __P((int));
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extern int lowerspl __P((int));
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extern int splx __P((int));
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void setsoftnet __P((void));
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void setsoftast __P((void));
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void setsoftclock __P((void));
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void setsoftintr __P((u_int intrmask));
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extern int current_spl_level; /* XXX tautological name */
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void need_resched __P((void));
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void need_proftick __P((struct proc *));
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#endif /* ASSEMBLER */
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#endif /* _KERNEL */
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#endif /* ! _ARM26_SPL_H */
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