154 lines
5.6 KiB
C
154 lines
5.6 KiB
C
/* $NetBSD: intr.h,v 1.5 2006/12/21 15:55:22 yamt Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1982, 1986, 1990, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* the Systems Programming Group of the University of Utah Computer
|
|
* Science Department.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* from: Utah $Hdr: machparam.h 1.16 92/12/20$
|
|
*
|
|
* from: @(#)param.h 8.1 (Berkeley) 6/10/93
|
|
*/
|
|
/*
|
|
* Copyright (c) 1988 University of Utah.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* the Systems Programming Group of the University of Utah Computer
|
|
* Science Department.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* from: Utah $Hdr: machparam.h 1.16 92/12/20$
|
|
*
|
|
* from: @(#)param.h 8.1 (Berkeley) 6/10/93
|
|
*/
|
|
|
|
#ifndef _CESFIC_INTR_H_
|
|
#define _CESFIC_INTR_H_
|
|
|
|
/*
|
|
* spl functions; all but spl0 are done in-line
|
|
*/
|
|
#include <machine/psl.h>
|
|
|
|
#if defined(_KERNEL) && !defined(_LOCORE)
|
|
/* spl0 requires checking for software interrupts */
|
|
#define spl1() _spl(PSL_S|PSL_IPL1)
|
|
#define spl2() _spl(PSL_S|PSL_IPL2)
|
|
#define spl3() _spl(PSL_S|PSL_IPL3)
|
|
#define spl4() _spl(PSL_S|PSL_IPL4)
|
|
#define spl5() _spl(PSL_S|PSL_IPL5)
|
|
#define spl6() _spl(PSL_S|PSL_IPL6)
|
|
#define spl7() _spl(PSL_S|PSL_IPL7)
|
|
|
|
/* These spl calls are used by machine-independent code. */
|
|
#define spllowersoftclock() spl1()
|
|
#define splsoft() splraise1()
|
|
#define splsoftclock() splsoft()
|
|
#define splsoftnet() splsoft()
|
|
#define splbio() _splraise(ipl2spl_table[IPL_BIO])
|
|
#define splnet() _splraise(ipl2spl_table[IPL_NET])
|
|
#define spltty() _splraise(ipl2spl_table[IPL_TTY])
|
|
#define splvm() _splraise(ipl2spl_table[IPL_VM])
|
|
#define splclock() spl6()
|
|
#define splstatclock() spl6()
|
|
#define splhigh() spl7()
|
|
#define splsched() spl7()
|
|
#define spllock() spl7()
|
|
|
|
/* watch out for side effects */
|
|
#define splx(s) (s & PSL_IPL ? _spl(s) : spl0())
|
|
|
|
int spl0 __P((void));
|
|
|
|
#define IPL_NONE 0
|
|
#define IPL_SOFTCLOCK 1
|
|
#define IPL_SOFTNET 2
|
|
#define IPL_BIO 3
|
|
#define IPL_NET 4
|
|
#define IPL_TTY 5
|
|
#define IPL_VM 6
|
|
#define IPL_CLOCK 7
|
|
#define IPL_STATCLOCK 8
|
|
#define IPL_SCHED 9
|
|
#define IPL_HIGH 10
|
|
#define IPL_LOCK 11
|
|
#define NIPLS 12
|
|
|
|
extern int ipl2spl_table[NIPLS];
|
|
|
|
typedef int ipl_t;
|
|
typedef struct {
|
|
int _ipl;
|
|
} ipl_cookie_t;
|
|
|
|
static inline ipl_cookie_t
|
|
makeiplcookie(ipl_t ipl)
|
|
{
|
|
|
|
return (ipl_cookie_t){._ipl = ipl};
|
|
}
|
|
|
|
static inline int
|
|
splraiseipl(ipl_cookie_t icookie)
|
|
{
|
|
|
|
return _splraise(ipl2spl_table[icookie._ipl]);
|
|
}
|
|
#endif /* _KERNEL && !_LOCORE */
|
|
|
|
#endif /* !_CESFIC_INTR_H_ */
|