intr.h revision 1.1.2.2 1 1.1.2.2 bouyer /* $NetBSD: intr.h,v 1.1.2.2 2011/02/08 18:05:07 bouyer Exp $ */
2 1.1.2.2 bouyer
3 1.1.2.2 bouyer /*
4 1.1.2.2 bouyer * Copyright (c) 1998 Jonathan Stone. All rights reserved.
5 1.1.2.2 bouyer *
6 1.1.2.2 bouyer * Redistribution and use in source and binary forms, with or without
7 1.1.2.2 bouyer * modification, are permitted provided that the following conditions
8 1.1.2.2 bouyer * are met:
9 1.1.2.2 bouyer * 1. Redistributions of source code must retain the above copyright
10 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer.
11 1.1.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright
12 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer in the
13 1.1.2.2 bouyer * documentation and/or other materials provided with the distribution.
14 1.1.2.2 bouyer * 3. All advertising materials mentioning features or use of this software
15 1.1.2.2 bouyer * must display the following acknowledgement:
16 1.1.2.2 bouyer * This product includes software developed by Jonathan Stone for
17 1.1.2.2 bouyer * the NetBSD Project.
18 1.1.2.2 bouyer * 4. The name of the author may not be used to endorse or promote products
19 1.1.2.2 bouyer * derived from this software without specific prior written permission.
20 1.1.2.2 bouyer *
21 1.1.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 1.1.2.2 bouyer * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 1.1.2.2 bouyer * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 1.1.2.2 bouyer * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 1.1.2.2 bouyer * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 1.1.2.2 bouyer * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 1.1.2.2 bouyer * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 1.1.2.2 bouyer * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 1.1.2.2 bouyer * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 1.1.2.2 bouyer * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 1.1.2.2 bouyer */
32 1.1.2.2 bouyer
33 1.1.2.2 bouyer #ifndef _EMIPS_INTR_H_
34 1.1.2.2 bouyer #define _EMIPS_INTR_H_
35 1.1.2.2 bouyer
36 1.1.2.2 bouyer #include <sys/evcnt.h>
37 1.1.2.2 bouyer #include <sys/queue.h>
38 1.1.2.2 bouyer
39 1.1.2.2 bouyer #define IPL_NONE 0 /* disable only this interrupt */
40 1.1.2.2 bouyer #define IPL_SOFTCLOCK 1 /* clock software interrupts (SI 0) */
41 1.1.2.2 bouyer #define IPL_SOFTBIO 1 /* generic software interrupts (SI 0) */
42 1.1.2.2 bouyer #define IPL_SOFTNET 2 /* network software interrupts (SI 1) */
43 1.1.2.2 bouyer #define IPL_SOFTSERIAL 2 /* serial software interrupts (SI 1) */
44 1.1.2.2 bouyer #define IPL_VM 3
45 1.1.2.2 bouyer #define IPL_SCHED 4
46 1.1.2.2 bouyer #define IPL_HIGH 5
47 1.1.2.2 bouyer
48 1.1.2.2 bouyer #define _IPL_N 6
49 1.1.2.2 bouyer
50 1.1.2.2 bouyer #define _IPL_SI0_FIRST IPL_SOFTCLOCK
51 1.1.2.2 bouyer #define _IPL_SI0_LAST IPL_SOFTBIO
52 1.1.2.2 bouyer
53 1.1.2.2 bouyer #define _IPL_SI1_FIRST IPL_SOFTNET
54 1.1.2.2 bouyer #define _IPL_SI1_LAST IPL_SOFTSERIAL
55 1.1.2.2 bouyer
56 1.1.2.2 bouyer #ifdef _KERNEL
57 1.1.2.2 bouyer #ifndef _LOCORE
58 1.1.2.2 bouyer
59 1.1.2.2 bouyer #include <mips/cpuregs.h>
60 1.1.2.2 bouyer #include <mips/locore.h>
61 1.1.2.2 bouyer
62 1.1.2.2 bouyer #define spl0() (void)_spllower(0)
63 1.1.2.2 bouyer #define splx(s) (void)_splset(s)
64 1.1.2.2 bouyer #define splvm() splraiseipl(makeiplcookie(IPL_VM))
65 1.1.2.2 bouyer #define splsched() splraiseipl(makeiplcookie(IPL_SCHED))
66 1.1.2.2 bouyer #define splhigh() _splraise(MIPS_INT_MASK)
67 1.1.2.2 bouyer
68 1.1.2.2 bouyer #define _SPL_SOFT MIPS_SOFT_INT_MASK_0
69 1.1.2.2 bouyer #define _SPL_SOFTCLOCK MIPS_SOFT_INT_MASK_0
70 1.1.2.2 bouyer #define _SPL_SOFTNET (MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1)
71 1.1.2.2 bouyer #define _SPL_SOFTSERIAL (MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1)
72 1.1.2.2 bouyer
73 1.1.2.2 bouyer #define splsoftclock() _splraise(_SPL_SOFTCLOCK)
74 1.1.2.2 bouyer #define splsoftbio() _splraise(_SPL_SOFTBIO)
75 1.1.2.2 bouyer #define splsoftnet() _splraise(_SPL_SOFTNET)
76 1.1.2.2 bouyer #define splsoftserial() _splraise(_SPL_SOFTSERIAL)
77 1.1.2.2 bouyer
78 1.1.2.2 bouyer extern const int *ipl2spl_table;
79 1.1.2.2 bouyer
80 1.1.2.2 bouyer typedef int ipl_t;
81 1.1.2.2 bouyer typedef struct {
82 1.1.2.2 bouyer int _spl;
83 1.1.2.2 bouyer } ipl_cookie_t;
84 1.1.2.2 bouyer
85 1.1.2.2 bouyer ipl_cookie_t makeiplcookie(ipl_t);
86 1.1.2.2 bouyer
87 1.1.2.2 bouyer static inline int
88 1.1.2.2 bouyer splraiseipl(ipl_cookie_t icookie)
89 1.1.2.2 bouyer {
90 1.1.2.2 bouyer
91 1.1.2.2 bouyer return _splraise(icookie._spl);
92 1.1.2.2 bouyer }
93 1.1.2.2 bouyer
94 1.1.2.2 bouyer /* Conventionals ... */
95 1.1.2.2 bouyer
96 1.1.2.2 bouyer #define MIPS_SPLHIGH (MIPS_INT_MASK)
97 1.1.2.2 bouyer #define MIPS_SPL0 (MIPS_INT_MASK_0|MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1)
98 1.1.2.2 bouyer #define MIPS_SPL1 (MIPS_INT_MASK_1|MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1)
99 1.1.2.2 bouyer #define MIPS_SPL3 (MIPS_INT_MASK_3|MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1)
100 1.1.2.2 bouyer #define MIPS_SPL_0_1 (MIPS_INT_MASK_1|MIPS_SPL0)
101 1.1.2.2 bouyer #define MIPS_SPL_0_1_2 (MIPS_INT_MASK_2|MIPS_SPL_0_1)
102 1.1.2.2 bouyer #define MIPS_SPL_0_1_3 (MIPS_INT_MASK_3|MIPS_SPL_0_1)
103 1.1.2.2 bouyer #define MIPS_SPL_0_1_2_3 (MIPS_INT_MASK_3|MIPS_SPL_0_1_2)
104 1.1.2.2 bouyer
105 1.1.2.2 bouyer struct intrhand {
106 1.1.2.2 bouyer int (*ih_func)(void *, void *);
107 1.1.2.2 bouyer void *ih_arg;
108 1.1.2.2 bouyer struct evcnt ih_count;
109 1.1.2.2 bouyer };
110 1.1.2.2 bouyer extern struct intrhand intrtab[];
111 1.1.2.2 bouyer #define MAX_DEV_NCOOKIES 32
112 1.1.2.2 bouyer
113 1.1.2.2 bouyer struct emips_intrhand {
114 1.1.2.2 bouyer LIST_ENTRY(emips_intrhand) ih_q;
115 1.1.2.2 bouyer int (*ih_func)(void *, void *);
116 1.1.2.2 bouyer void *ih_arg;
117 1.1.2.2 bouyer };
118 1.1.2.2 bouyer
119 1.1.2.2 bouyer #include <mips/softintr.h>
120 1.1.2.2 bouyer
121 1.1.2.2 bouyer extern struct evcnt emips_clock_evcnt;
122 1.1.2.2 bouyer extern struct evcnt emips_fpu_evcnt;
123 1.1.2.2 bouyer extern struct evcnt emips_memerr_evcnt;
124 1.1.2.2 bouyer
125 1.1.2.2 bouyer void intr_init(int);
126 1.1.2.2 bouyer #endif /* !_LOCORE */
127 1.1.2.2 bouyer #endif /* _KERNEL */
128 1.1.2.2 bouyer
129 1.1.2.2 bouyer #endif /* !_EMIPS_INTR_H_ */
130