xref: /openbmc/linux/arch/sparc/include/asm/bitops_64.h (revision d7a3d85e)
1 /*
2  * bitops.h: Bit string operations on the V9.
3  *
4  * Copyright 1996, 1997 David S. Miller (davem@caip.rutgers.edu)
5  */
6 
7 #ifndef _SPARC64_BITOPS_H
8 #define _SPARC64_BITOPS_H
9 
10 #ifndef _LINUX_BITOPS_H
11 #error only <linux/bitops.h> can be included directly
12 #endif
13 
14 #include <linux/compiler.h>
15 #include <asm/byteorder.h>
16 #include <asm/barrier.h>
17 
18 int test_and_set_bit(unsigned long nr, volatile unsigned long *addr);
19 int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr);
20 int test_and_change_bit(unsigned long nr, volatile unsigned long *addr);
21 void set_bit(unsigned long nr, volatile unsigned long *addr);
22 void clear_bit(unsigned long nr, volatile unsigned long *addr);
23 void change_bit(unsigned long nr, volatile unsigned long *addr);
24 
25 #include <asm-generic/bitops/non-atomic.h>
26 
27 #include <asm-generic/bitops/fls.h>
28 #include <asm-generic/bitops/__fls.h>
29 #include <asm-generic/bitops/fls64.h>
30 
31 #ifdef __KERNEL__
32 
33 int ffs(int x);
34 unsigned long __ffs(unsigned long);
35 
36 #include <asm-generic/bitops/ffz.h>
37 #include <asm-generic/bitops/sched.h>
38 
39 /*
40  * hweightN: returns the hamming weight (i.e. the number
41  * of bits set) of a N-bit word
42  */
43 
44 unsigned long __arch_hweight64(__u64 w);
45 unsigned int __arch_hweight32(unsigned int w);
46 unsigned int __arch_hweight16(unsigned int w);
47 unsigned int __arch_hweight8(unsigned int w);
48 
49 #include <asm-generic/bitops/const_hweight.h>
50 #include <asm-generic/bitops/lock.h>
51 #endif /* __KERNEL__ */
52 
53 #include <asm-generic/bitops/find.h>
54 
55 #ifdef __KERNEL__
56 
57 #include <asm-generic/bitops/le.h>
58 
59 #include <asm-generic/bitops/ext2-atomic-setbit.h>
60 
61 #endif /* __KERNEL__ */
62 
63 #endif /* defined(_SPARC64_BITOPS_H) */
64