xref: /freebsd/sys/arm/include/psl.h (revision 2e3507c25e42292b45a5482e116d278f5515d04d)
1 /*	$NetBSD: psl.h,v 1.6 2003/06/16 20:00:58 thorpej Exp $	*/
2 
3 /*-
4  * SPDX-License-Identifier: BSD-4-Clause
5  *
6  * Copyright (c) 1995 Mark Brinicombe.
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. All advertising materials mentioning features or use of this software
18  *    must display the following acknowledgement:
19  *	This product includes software developed by Mark Brinicombe
20  *	for the NetBSD Project.
21  * 4. The name of the company nor the name of the author may be used to
22  *    endorse or promote products derived from this software without specific
23  *    prior written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
26  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
27  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
28  * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
29  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
30  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
31  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35  * SUCH DAMAGE.
36  *
37  * RiscBSD kernel project
38  *
39  * psl.h
40  *
41  * spl prototypes.
42  * Eventually this will become a set of defines.
43  *
44  * Created      : 21/07/95
45  */
46 
47 #ifndef _MACHINE_PSL_H_
48 #define _MACHINE_PSL_H_
49 
50 /*
51  * These are the different SPL states
52  *
53  * Each state has an interrupt mask associated with it which
54  * indicate which interrupts are allowed.
55  */
56 
57 #define _SPL_0		0
58 #define _SPL_SOFTCLOCK	1
59 #define _SPL_SOFTNET	2
60 #define _SPL_BIO	3
61 #define _SPL_NET	4
62 #define _SPL_SOFTSERIAL	5
63 #define _SPL_TTY	6
64 #define _SPL_VM		7
65 #define _SPL_AUDIO	8
66 #define _SPL_CLOCK	9
67 #define _SPL_STATCLOCK	10
68 #define _SPL_HIGH	11
69 #define _SPL_SERIAL	12
70 #define _SPL_LEVELS	13
71 
72 #ifdef _KERNEL
73 #ifndef _LOCORE
74 extern int current_spl_level;
75 
76 extern u_int spl_masks[_SPL_LEVELS + 1];
77 extern u_int spl_smasks[_SPL_LEVELS];
78 #endif /* _LOCORE */
79 #endif /* _KERNEL */
80 
81 #endif /* _ARM_PSL_H_ */
82 /* End of psl.h */
83