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intr.h revision 1.2
      1  1.2  soda /*	$NetBSD: intr.h,v 1.2 2000/01/23 21:01:56 soda Exp $	*/
      2  1.1  soda 
      3  1.1  soda /*
      4  1.2  soda  * Copyright (c) 1998 Jonathan Stone.  All rights reserved.
      5  1.1  soda  *
      6  1.1  soda  * Redistribution and use in source and binary forms, with or without
      7  1.1  soda  * modification, are permitted provided that the following conditions
      8  1.1  soda  * are met:
      9  1.1  soda  * 1. Redistributions of source code must retain the above copyright
     10  1.1  soda  *    notice, this list of conditions and the following disclaimer.
     11  1.1  soda  * 2. Redistributions in binary form must reproduce the above copyright
     12  1.1  soda  *    notice, this list of conditions and the following disclaimer in the
     13  1.1  soda  *    documentation and/or other materials provided with the distribution.
     14  1.1  soda  * 3. All advertising materials mentioning features or use of this software
     15  1.1  soda  *    must display the following acknowledgement:
     16  1.2  soda  *	This product includes software developed by Jonathan Stone for
     17  1.2  soda  *      the NetBSD Project.
     18  1.1  soda  * 4. The name of the author may not be used to endorse or promote products
     19  1.1  soda  *    derived from this software without specific prior written permission.
     20  1.1  soda  *
     21  1.1  soda  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  1.1  soda  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  1.1  soda  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  1.1  soda  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  1.1  soda  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  1.1  soda  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  1.1  soda  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  1.1  soda  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  1.1  soda  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  1.1  soda  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  1.1  soda  */
     32  1.1  soda 
     33  1.1  soda #ifndef _ARC_INTR_H_
     34  1.1  soda #define _ARC_INTR_H_
     35  1.1  soda 
     36  1.2  soda #define	IPL_NONE	0	/* disable only this interrupt */
     37  1.2  soda #define	IPL_BIO		1	/* disable block I/O interrupts */
     38  1.2  soda #define	IPL_NET		2	/* disable network interrupts */
     39  1.2  soda #define	IPL_TTY		3	/* disable terminal interrupts */
     40  1.1  soda #define	IPL_IMP		4	/* memory allocation */
     41  1.2  soda #define	IPL_CLOCK	5	/* disable clock interrupts */
     42  1.2  soda #define	IPL_STATCLOCK	6	/* disable profiling interrupts */
     43  1.2  soda #if 0 /* XXX */
     44  1.2  soda #define	IPL_SERIAL	7	/* disable serial hardware interrupts */
     45  1.2  soda #endif
     46  1.2  soda #define	IPL_HIGH	8	/* disable all interrupts */
     47  1.2  soda #define	NIPL		9
     48  1.1  soda 
     49  1.1  soda /* Interrupt sharing types. */
     50  1.1  soda #define	IST_NONE	0	/* none */
     51  1.1  soda #define	IST_PULSE	1	/* pulsed */
     52  1.1  soda #define	IST_EDGE	2	/* edge-triggered */
     53  1.1  soda #define	IST_LEVEL	3	/* level-triggered */
     54  1.1  soda 
     55  1.1  soda /* Soft interrupt masks. */
     56  1.2  soda /* XXX - revisit here */
     57  1.1  soda #define	SIR_CLOCK	31
     58  1.2  soda #define	SIR_NET		30
     59  1.1  soda #define	SIR_CLOCKMASK	((1 << SIR_CLOCK))
     60  1.1  soda #define	SIR_NETMASK	((1 << SIR_NET) | SIR_CLOCKMASK)
     61  1.2  soda #define	SIR_ALLMASK	(SIR_CLOCKMASK | SIR_NETMASK)
     62  1.1  soda 
     63  1.2  soda #ifdef _KERNEL
     64  1.1  soda #ifndef _LOCORE
     65  1.1  soda 
     66  1.2  soda #include <mips/cpuregs.h>
     67  1.2  soda 
     68  1.2  soda extern int _splraise __P((int));
     69  1.2  soda extern int _spllower __P((int));
     70  1.2  soda extern int _splset __P((int));
     71  1.2  soda extern int _splget __P((void));
     72  1.2  soda extern void _splnone __P((void));
     73  1.2  soda extern void _setsoftintr __P((int));
     74  1.2  soda extern void _clrsoftintr __P((int));
     75  1.2  soda 
     76  1.2  soda #define setsoftclock()	_setsoftintr(MIPS_SOFT_INT_MASK_0)
     77  1.2  soda #define setsoftnet()	_setsoftintr(MIPS_SOFT_INT_MASK_1)
     78  1.2  soda #define clearsoftclock() _clrsoftintr(MIPS_SOFT_INT_MASK_0)
     79  1.2  soda #define clearsoftnet()	 _clrsoftintr(MIPS_SOFT_INT_MASK_1)
     80  1.2  soda 
     81  1.2  soda #define splhigh()	_splraise(MIPS_INT_MASK)
     82  1.2  soda #define spl0()		(void)_spllower(0)
     83  1.2  soda #define splx(s)		(void)_splset(s)
     84  1.2  soda #define splbio()	(_splraise(splvec.splbio))
     85  1.2  soda #define splnet()	(_splraise(splvec.splnet))
     86  1.2  soda #define spltty()	(_splraise(splvec.spltty))
     87  1.2  soda #define splimp()	(_splraise(splvec.splimp))
     88  1.2  soda #define splpmap()	(_splraise(splvec.splimp))
     89  1.2  soda #define splclock()	(_splraise(splvec.splclock))
     90  1.2  soda #define splstatclock()	(_splraise(splvec.splstatclock))
     91  1.2  soda #define spllowersoftclock() _spllower(MIPS_SOFT_INT_MASK_0)
     92  1.2  soda #define splsoftclock()	_splraise(MIPS_SOFT_INT_MASK_0)
     93  1.2  soda #define splsoftnet()	_splraise(MIPS_SOFT_INT_MASK_1)
     94  1.2  soda 
     95  1.2  soda #define	spllpt()	spltty()		/* lpt driver */
     96  1.2  soda 
     97  1.2  soda struct splvec {
     98  1.2  soda 	int	splbio;
     99  1.2  soda 	int	splnet;
    100  1.2  soda 	int	spltty;
    101  1.2  soda 	int	splimp;
    102  1.2  soda 	int	splclock;
    103  1.2  soda 	int	splstatclock;
    104  1.2  soda };
    105  1.2  soda extern struct splvec splvec;
    106  1.2  soda 
    107  1.2  soda /* Conventionals ... */
    108  1.2  soda 
    109  1.2  soda #define MIPS_SPLHIGH		(MIPS_INT_MASK)
    110  1.2  soda #define MIPS_SOFT_INT_MASK	(MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1)
    111  1.2  soda #define MIPS_INTMASK_0		(MIPS_INT_MASK_0|MIPS_SOFT_INT_MASK)
    112  1.2  soda #define MIPS_INTMASK_0_to_1	(MIPS_INT_MASK_1|MIPS_INTMASK_0)
    113  1.2  soda #define MIPS_INTMASK_0_to_2	(MIPS_INT_MASK_2|MIPS_INTMASK_0_to_1)
    114  1.2  soda #define MIPS_INTMASK_0_to_3	(MIPS_INT_MASK_3|MIPS_INTMASK_0_to_2)
    115  1.2  soda #define MIPS_INTMASK_0_to_4	(MIPS_INT_MASK_4|MIPS_INTMASK_0_to_3)
    116  1.2  soda #define MIPS_INTMASK_0_to_5	(MIPS_INT_MASK_5|MIPS_INTMASK_0_to_4)
    117  1.2  soda 
    118  1.2  soda /*
    119  1.2  soda  * Index into intrcnt[], which is defined in locore
    120  1.2  soda  */
    121  1.2  soda #define SOFTCLOCK_INTR	0
    122  1.2  soda #define SOFTNET_INTR	1
    123  1.2  soda #define FPU_INTR	2
    124  1.2  soda extern u_long intrcnt[];
    125  1.2  soda 
    126  1.2  soda /* handle i/o device interrupts */
    127  1.2  soda extern int (*mips_hardware_intr) __P((unsigned, unsigned, unsigned, unsigned));
    128  1.2  soda int arc_hardware_intr __P((unsigned, unsigned, unsigned, unsigned));
    129  1.1  soda 
    130  1.1  soda struct clockframe;
    131  1.1  soda void set_intr __P((int, int(*)(u_int, struct clockframe *), int));
    132  1.1  soda 
    133  1.2  soda /* XXX - revisit here */
    134  1.2  soda int imask[NIPL];
    135  1.1  soda 
    136  1.2  soda #endif /* !_LOCORE */
    137  1.2  soda #endif /* _KERNEL */
    138  1.1  soda 
    139  1.1  soda #endif /* _ARC_INTR_H_ */
    140