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