xref: /freebsd/sys/arm/include/psl.h (revision 74bf4e164ba5851606a27d4feff27717452583e5)
1 /*	$NetBSD: psl.h,v 1.6 2003/06/16 20:00:58 thorpej Exp $	*/
2 
3 /*
4  * Copyright (c) 1995 Mark Brinicombe.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by Mark Brinicombe
18  *	for the NetBSD Project.
19  * 4. The name of the company nor the name of the author may be used to
20  *    endorse or promote products derived from this software without specific
21  *    prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
24  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26  * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  * RiscBSD kernel project
36  *
37  * psl.h
38  *
39  * spl prototypes.
40  * Eventually this will become a set of defines.
41  *
42  * Created      : 21/07/95
43  *
44  * $FreeBSD$
45  */
46 
47 #ifndef _MACHINE_PSL_H_
48 #define _MACHINE_PSL_H_
49 #include <machine/intr.h>
50 
51 /*
52  * These are the different SPL states
53  *
54  * Each state has an interrupt mask associated with it which
55  * indicate which interrupts are allowed.
56  */
57 
58 #define _SPL_0		0
59 #define _SPL_SOFTCLOCK	1
60 #define _SPL_SOFTNET	2
61 #define _SPL_BIO	3
62 #define _SPL_NET	4
63 #define _SPL_SOFTSERIAL	5
64 #define _SPL_TTY	6
65 #define _SPL_VM		7
66 #define _SPL_AUDIO	8
67 #define _SPL_CLOCK	9
68 #define _SPL_STATCLOCK	10
69 #define _SPL_HIGH	11
70 #define _SPL_SERIAL	12
71 #define _SPL_LEVELS	13
72 
73 #ifdef _KERNEL
74 #ifndef _LOCORE
75 extern int current_spl_level;
76 
77 extern u_int spl_masks[_SPL_LEVELS + 1];
78 extern u_int spl_smasks[_SPL_LEVELS];
79 #endif /* _LOCORE */
80 #endif /* _KERNEL */
81 
82 #endif /* _ARM_PSL_H_ */
83 /* End of psl.h */
84