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intr.h revision 1.19.14.1 
      1 /*	$NetBSD: intr.h,v 1.19.14.1 2008/06/02 13:21:51 mjf 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  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * machine/intr.h for the Amiga port.
     34  * Currently, only a wrapper, for most of the stuff, around the old
     35  * include files.
     36  */
     37 
     38 #ifndef _AMIGA_INTR_H_
     39 #define _AMIGA_INTR_H_
     40 
     41 #include <amiga/amiga/isr.h>
     42 #include <amiga/include/mtpr.h>
     43 #include <m68k/psl.h>
     44 
     45 #define	IPL_NONE	0
     46 #define	IPL_SOFTCLOCK	1
     47 #define	IPL_SOFTBIO	1
     48 #define	IPL_SOFTNET	1
     49 #define	IPL_SOFTSERIAL	1
     50 #define	IPL_VM		2
     51 #define	IPL_SCHED	3
     52 #define	IPL_HIGH	4
     53 #define	_NIPL		5
     54 
     55 extern int ipl2spl_table[_NIPL];
     56 
     57 typedef int ipl_t;
     58 typedef struct {
     59 	uint16_t _ipl;
     60 } ipl_cookie_t;
     61 
     62 static inline ipl_cookie_t
     63 makeiplcookie(ipl_t ipl)
     64 {
     65 
     66 	return (ipl_cookie_t){._ipl = ipl};
     67 }
     68 
     69 static inline int
     70 splraiseipl(ipl_cookie_t icookie)
     71 {
     72 
     73 	return _splraise(ipl2spl_table[icookie._ipl]);
     74 }
     75 
     76 #ifdef _KERNEL_OPT
     77 #include "opt_lev6_defer.h"
     78 #endif
     79 
     80 #define	spl0()			_spl0()	/* we have real software interrupts */
     81 #define splsoftclock()		splraise1()
     82 #define splsoftnet()		splraise1()
     83 #define splsoftserial()		splraise1()
     84 #define splsoftbio()		splraise1()
     85 #define	splvm()			splraise4()
     86 
     87 #ifndef _LKM
     88 
     89 #ifndef LEV6_DEFER
     90 #define splsched()	splraise6()
     91 #define splhigh()	spl7()
     92 #else
     93 #define splsched()	splraise4()
     94 #define splhigh()	splraise4()
     95 #endif
     96 
     97 #else	/* _LKM */
     98 
     99 extern int _spllkm6(void);
    100 extern int _spllkm7(void);
    101 
    102 #define splsched()	_spllkm6()
    103 #define splhigh()	_spllkm7()
    104 
    105 #endif /* _LKM */
    106 
    107 #define splx(s)		_spl(s)
    108 
    109 #endif	/* !_AMIGA_INTR_H_ */
    110