1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/* $NetBSD: psl.h,v 1.2 1996/03/08 16:35:17 mark Exp $ */
/*
* Copyright (c) 1995 Mark Brinicombe.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Mark Brinicombe.
* 4. The name of the company nor the name of the author may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* RiscBSD kernel project
*
* psl.h
*
* spl prototypes.
* Eventually this will become a set of defines.
*
* Created : 21/07/95
*/
/*
* These are the different SPL states
*
* Each state has an interrupt mask associated with it which
* indicate which interrupts are allowed.
*/
#define SPL_0 0
#define SPL_SOFT 1
#define SPL_BIO 2
#define SPL_NET 3
#define SPL_TTY 4
#define SPL_CLOCK 5
#define SPL_IMP 6
#define SPL_HIGH 7
#define SPL_LEVELS 8
#define spl0() splx(SPL_0)
#define splhigh() splx(SPL_HIGH)
#define splbio() raisespl(SPL_BIO)
#define splnet() raisespl(SPL_NET)
#define spltty() raisespl(SPL_TTY)
#define splimp() raisespl(SPL_IMP)
#define splclock() raisespl(SPL_CLOCK)
#define splstatclock() raisespl(SPL_CLOCK)
#define splsoftnet() raisespl(SPL_SOFT)
#ifndef _LOCORE
int raisespl __P((int));
int lowerspl __P((int));
int splx __P((int));
int splsoftclock __P(());
#ifdef _KERNEL
extern int current_spl_level;
extern u_int spl_masks[SPL_LEVELS];
#endif /* _KERNEL */
#endif /* _LOCORE */
/* End of psl.h */
|
