107 lines
3.3 KiB
C
107 lines
3.3 KiB
C
/* $NetBSD: intr.h,v 1.13 2011/12/22 15:06:17 tsutsui Exp $ */
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/*
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1982, 1986, 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* the Systems Programming Group of the University of Utah Computer
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* Science Department.
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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. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR 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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* from: Utah $Hdr: machparam.h 1.16 92/12/20$
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*
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* from: @(#)param.h 8.1 (Berkeley) 6/10/93
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*/
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#ifndef _CESFIC_INTR_H_
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#define _CESFIC_INTR_H_
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/*
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* spl functions; all but spl0 are done in-line
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*/
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#include <machine/psl.h>
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#if defined(_KERNEL) && !defined(_LOCORE)
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/* spl0 requires checking for software interrupts */
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#define spl1() _spl(PSL_S|PSL_IPL1)
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#define spl2() _spl(PSL_S|PSL_IPL2)
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#define spl3() _spl(PSL_S|PSL_IPL3)
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#define spl4() _spl(PSL_S|PSL_IPL4)
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#define spl5() _spl(PSL_S|PSL_IPL5)
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#define spl6() _spl(PSL_S|PSL_IPL6)
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#define spl7() _spl(PSL_S|PSL_IPL7)
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/* These spl calls are used by machine-independent code. */
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#define splsoftclock() splraise1()
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#define splsoftbio() splraise1()
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#define splsoftnet() splraise1()
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#define splsoftserial() splraise1()
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#define splvm() splraise4()
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#define splsched() spl6()
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#define splhigh() spl7()
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/* watch out for side effects */
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#define splx(s) (s & PSL_IPL ? _spl(s) : spl0())
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int spl0(void);
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#define IPL_NONE 0
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#define IPL_SOFTCLOCK 1
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#define IPL_SOFTBIO 1
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#define IPL_SOFTNET 3
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#define IPL_SOFTSERIAL 4
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#define IPL_VM 5
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#define IPL_SCHED 6
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#define IPL_HIGH 7
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#define NIPL 8
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extern const uint16_t ipl2psl_table[NIPL];
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typedef int ipl_t;
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typedef struct {
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uint16_t _psl;
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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){._psl = ipl2psl_table[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 _splraise(icookie._psl);
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}
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#endif /* _KERNEL && !_LOCORE */
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#endif /* !_CESFIC_INTR_H_ */
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