1 #ifndef __ASM_SH_BITOPS_H
2 #define __ASM_SH_BITOPS_H
6 #ifndef _LINUX_BITOPS_H
7 #error only <linux/bitops.h> can be included directly
10 #include <asm/system.h>
12 #include <asm/byteorder.h>
15 #include <asm/bitops-grb.h>
17 #include <asm/bitops-irq.h>
22 * clear_bit() doesn't provide any barrier for the compiler.
24 #define smp_mb__before_clear_bit() barrier()
25 #define smp_mb__after_clear_bit() barrier()
27 #include <asm-generic/bitops/non-atomic.h>
29 #ifdef CONFIG_SUPERH32
30 static inline unsigned long ffz(unsigned long word)
38 : "=r" (result), "=r" (word)
39 : "0" (~0L), "1" (word)
45 * __ffs - find first bit in word.
46 * @word: The word to search
48 * Undefined if no bit exists, so code should check against 0 first.
50 static inline unsigned long __ffs(unsigned long word)
58 : "=r" (result), "=r" (word)
59 : "0" (~0L), "1" (word)
64 static inline unsigned long ffz(unsigned long word)
66 unsigned long result, __d2, __d3;
68 __asm__("gettr tr0, %2\n\t"
71 "beq %3, r63, tr0\n\t"
74 "shlri.l %1, 1, %1\n\t"
80 : "=r" (result), "=r" (word), "=r" (__d2), "=r" (__d3)
81 : "0" (0L), "1" (word));
86 #include <asm-generic/bitops/__ffs.h>
89 #include <asm-generic/bitops/find.h>
90 #include <asm-generic/bitops/ffs.h>
91 #include <asm-generic/bitops/hweight.h>
92 #include <asm-generic/bitops/lock.h>
93 #include <asm-generic/bitops/sched.h>
94 #include <asm-generic/bitops/ext2-non-atomic.h>
95 #include <asm-generic/bitops/ext2-atomic.h>
96 #include <asm-generic/bitops/minix.h>
97 #include <asm-generic/bitops/fls.h>
98 #include <asm-generic/bitops/fls64.h>
100 #endif /* __KERNEL__ */
102 #endif /* __ASM_SH_BITOPS_H */