2 * bitops.h: Bit string operations on the V9.
4 * Copyright 1996, 1997 David S. Miller (davem@caip.rutgers.edu)
7 #ifndef _SPARC64_BITOPS_H
8 #define _SPARC64_BITOPS_H
10 #ifndef _LINUX_BITOPS_H
11 #error only <linux/bitops.h> can be included directly
14 #include <linux/compiler.h>
15 #include <asm/byteorder.h>
16 #include <asm/barrier.h>
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
);
25 #include <asm-generic/bitops/non-atomic.h>
27 #include <asm-generic/bitops/fls.h>
28 #include <asm-generic/bitops/__fls.h>
29 #include <asm-generic/bitops/fls64.h>
34 unsigned long __ffs(unsigned long);
36 #include <asm-generic/bitops/ffz.h>
37 #include <asm-generic/bitops/sched.h>
40 * hweightN: returns the hamming weight (i.e. the number
41 * of bits set) of a N-bit word
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
);
49 #include <asm-generic/bitops/const_hweight.h>
50 #include <asm-generic/bitops/lock.h>
51 #endif /* __KERNEL__ */
53 #include <asm-generic/bitops/find.h>
57 #include <asm-generic/bitops/le.h>
59 #include <asm-generic/bitops/ext2-atomic-setbit.h>
61 #endif /* __KERNEL__ */
63 #endif /* defined(_SPARC64_BITOPS_H) */