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intr.h revision 1.18.18.1 
      1 /*	$NetBSD: intr.h,v 1.18.18.1 2008/01/09 01:45:03 matt Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1997 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Ignatios Souvatzis.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 /*
     40  * machine/intr.h for the Amiga port.
     41  * Currently, only a wrapper, for most of the stuff, around the old
     42  * include files.
     43  */
     44 
     45 #ifndef _AMIGA_INTR_H_
     46 #define _AMIGA_INTR_H_
     47 
     48 #include <amiga/amiga/isr.h>
     49 #include <amiga/include/mtpr.h>
     50 #include <m68k/psl.h>
     51 
     52 #define	IPL_NONE	0
     53 #define	IPL_SOFTCLOCK	1
     54 #define	IPL_SOFTBIO	1
     55 #define	IPL_SOFTNET	1
     56 #define	IPL_SOFTSERIAL	1
     57 #define	IPL_VM		2
     58 #define	IPL_SCHED	3
     59 #define	IPL_HIGH	4
     60 #define	_NIPL		5
     61 
     62 extern int ipl2spl_table[_NIPL];
     63 
     64 typedef int ipl_t;
     65 typedef struct {
     66 	uint16_t _ipl;
     67 } ipl_cookie_t;
     68 
     69 static inline ipl_cookie_t
     70 makeiplcookie(ipl_t ipl)
     71 {
     72 
     73 	return (ipl_cookie_t){._ipl = ipl};
     74 }
     75 
     76 static inline int
     77 splraiseipl(ipl_cookie_t icookie)
     78 {
     79 
     80 	return _splraise(ipl2spl_table[icookie._ipl]);
     81 }
     82 
     83 #ifdef _KERNEL_OPT
     84 #include "opt_lev6_defer.h"
     85 #endif
     86 
     87 #define	spl0()			_spl0()	/* we have real software interrupts */
     88 #define splsoftclock()		splraise1()
     89 #define splsoftnet()		splraise1()
     90 #define splsoftserial()		splraise1()
     91 #define splsoftbio()		splraise1()
     92 #define	splvm()			splraise4()
     93 
     94 #ifndef _LKM
     95 
     96 #ifndef LEV6_DEFER
     97 #define splsched()	splraise6()
     98 #define splhigh()	spl7()
     99 #else
    100 #define splsched()	splraise4()
    101 #define splhigh()	splraise4()
    102 #endif
    103 
    104 #else	/* _LKM */
    105 
    106 extern int _spllkm6(void);
    107 extern int _spllkm7(void);
    108 
    109 #define splsched()	_spllkm6()
    110 #define splhigh()	_spllkm7()
    111 
    112 #endif /* _LKM */
    113 
    114 #define splx(s)		_spl(s)
    115 
    116 #endif	/* !_AMIGA_INTR_H_ */
    117