xref: /linux/arch/openrisc/include/asm/bitops.h (revision 0d456bad36d42d16022be045c8a53ddbb59ee478)
1 /*
2  * OpenRISC Linux
3  *
4  * Linux architectural port borrowing liberally from similar works of
5  * others.  All original copyrights apply as per the original source
6  * declaration.
7  *
8  * OpenRISC implementation:
9  * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
10  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
11  * et al.
12  *
13  * This program is free software; you can redistribute it and/or modify
14  * it under the terms of the GNU General Public License as published by
15  * the Free Software Foundation; either version 2 of the License, or
16  * (at your option) any later version.
17  */
18 
19 #ifndef __ASM_OPENRISC_BITOPS_H
20 #define __ASM_OPENRISC_BITOPS_H
21 
22 /*
23  * Where we haven't written assembly versions yet, we fall back to the
24  * generic implementations.  Otherwise, we pull in our (hopefully)
25  * optimized versions.
26  */
27 
28 #include <linux/irqflags.h>
29 #include <linux/compiler.h>
30 
31 /*
32  * clear_bit may not imply a memory barrier
33  */
34 #ifndef smp_mb__before_clear_bit
35 #define smp_mb__before_clear_bit()	smp_mb()
36 #define smp_mb__after_clear_bit()	smp_mb()
37 #endif
38 
39 #include <asm/bitops/__ffs.h>
40 #include <asm-generic/bitops/ffz.h>
41 #include <asm/bitops/fls.h>
42 #include <asm/bitops/__fls.h>
43 #include <asm-generic/bitops/fls64.h>
44 #include <asm-generic/bitops/find.h>
45 
46 #ifndef _LINUX_BITOPS_H
47 #error only <linux/bitops.h> can be included directly
48 #endif
49 
50 #include <asm-generic/bitops/sched.h>
51 #include <asm/bitops/ffs.h>
52 #include <asm-generic/bitops/hweight.h>
53 #include <asm-generic/bitops/lock.h>
54 
55 #include <asm-generic/bitops/atomic.h>
56 #include <asm-generic/bitops/non-atomic.h>
57 #include <asm-generic/bitops/ext2-atomic.h>
58 
59 #endif /* __ASM_GENERIC_BITOPS_H */
60