intr.h revision 1.5 1 /* $NetBSD: intr.h,v 1.5 1998/08/25 01:55:40 nisimura Exp $ */
2
3 /*
4 * Copyright (c) 1998 Jonathan Stone. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Jonathan Stone for
17 * the NetBSD Project.
18 * 4. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #ifndef _PMAX_INTR_H_
34 #define _PMAX_INTR_H_
35
36 #define IPL_NONE 0 /* disable only this interrupt */
37 #define IPL_BIO 1 /* disable block I/O interrupts */
38 #define IPL_NET 2 /* disable network interrupts */
39 #define IPL_TTY 3 /* disable terminal interrupts */
40 #define IPL_CLOCK 4 /* disable clock interrupts */
41 #define IPL_STATCLOCK 5 /* disable profiling interrupts */
42 #define IPL_SERIAL 6 /* disable serial hardware interrupts */
43 #define IPL_DMA 7 /* disable DMA reload interrupts */
44 #define IPL_HIGH 8 /* disable all interrupts */
45
46 #ifdef _KERNEL
47 #ifndef _LOCORE
48
49 typedef int spl_t;
50 extern spl_t splx __P((spl_t));
51 extern spl_t splsoftnet __P((void)), splsoftclock __P((void));
52 extern spl_t splhigh __P((void));
53 extern spl_t spl0 __P((void)); /* XXX should not enable TC on 3min */
54
55 extern void setsoftnet __P((void)), clearsoftnet __P((void));
56 extern void setsoftclock __P((void)), clearsoftclock __P((void));
57
58
59 extern int (*Mach_splnet) __P((void)), (*Mach_splbio) __P((void)),
60 (*Mach_splimp) __P((void)), (*Mach_spltty) __P((void)),
61 (*Mach_splclock) __P((void)), (*Mach_splstatclock) __P((void)),
62 (*Mach_splnone) __P((void));
63
64 #define splnet() (*Mach_splnet)()
65 #define splbio() (*Mach_splbio)()
66 #define splimp() (*Mach_splimp)()
67 #define spltty() (*Mach_spltty)()
68 #define splclock() (*Mach_splclock)()
69 #define splstatclock() (*Mach_splstatclock)()
70
71 /*
72 * Index into intrcnt[], which is defined in locore
73 */
74 extern u_long intrcnt[];
75
76 #define SOFTCLOCK_INTR 0
77 #define SOFTNET_INTR 1
78 #define SERIAL0_INTR 2
79 #define SERIAL1_INTR 3
80 #define SERIAL2_INTR 4
81 #define LANCE_INTR 5
82 #define SCSI_INTR 6
83 #define ERROR_INTR 7
84 #define HARDCLOCK 8
85 #define FPU_INTR 9
86 #define SLOT0_INTR 10
87 #define SLOT1_INTR 11
88 #define SLOT2_INTR 12
89 #define DTOP_INTR 13
90 #define ISDN_INTR 14
91 #define FLOPPY_INTR 15
92 #define STRAY_INTR 16
93
94 /* handle i/o device interrupts */
95 extern int (*mips_hardware_intr) __P((unsigned, unsigned, unsigned, unsigned));
96
97 #endif /* !_LOCORE */
98 #endif /* _KERNEL */
99
100 #endif /* !_PMAX_INTR_H_ */
101