100 lines
3 KiB
C
100 lines
3 KiB
C
/* $NetBSD: psl.h,v 1.19 2012/07/27 05:36:09 matt Exp $ */
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/*
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* Copyright (c) 1995 Mark Brinicombe.
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Mark Brinicombe
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* for the NetBSD Project.
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* 4. The name of the company nor the name of the author may be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* RiscBSD kernel project
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*
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* psl.h
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*
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* spl prototypes.
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* Eventually this will become a set of defines.
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*
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* Created : 21/07/95
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*/
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#ifndef _ARM_PSL_H_
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#define _ARM_PSL_H_
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#include <machine/intr.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 spl0() splx(IPL_NONE)
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#define splsoftclock() raisespl(IPL_SOFTCLOCK)
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#define splsoftbio() raisespl(IPL_SOFTBIO)
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#define splsoftnet() raisespl(IPL_SOFTNET)
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#define splsoftserial() raisespl(IPL_SOFTSERIAL)
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#define splvm() raisespl(IPL_VM)
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#define splsched() raisespl(IPL_SCHED)
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#define splhigh() raisespl(IPL_HIGH)
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#define IPL_SAFEPRI IPL_NONE /* for kern_sleepq.c */
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#ifdef _KERNEL
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#ifndef _LOCORE
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int raisespl (int);
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int lowerspl (int);
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void splx (int);
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#ifdef __HAVE_FAST_SOFTINTS
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void _setsoftintr (int si);
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#endif
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typedef uint8_t ipl_t;
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typedef struct {
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uint8_t _ipl;
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} ipl_cookie_t;
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static inline ipl_cookie_t
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makeiplcookie(ipl_t ipl)
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{
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return (ipl_cookie_t){._ipl = (uint8_t)ipl};
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}
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static inline int
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splraiseipl(ipl_cookie_t icookie)
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{
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return raisespl(icookie._ipl);
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}
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#endif /* _LOCORE */
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#endif /* _KERNEL */
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#endif /* _ARM_PSL_H_ */
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/* End of psl.h */
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