diff options
author | Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> | 2013-02-21 17:07:14 +0100 |
---|---|---|
committer | Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> | 2013-02-21 17:07:14 +0100 |
commit | e29371d762df5bb35d2bc434ea266a046e5a0a75 (patch) | |
tree | dac4a8db52d92453415f35606130a49e9f32e4ef /arch/powerpc/include/asm/bitops.h | |
parent | 17b14ca25e9cd6c5cd7605941f6120e405a84f8b (diff) | |
parent | 894e2ac82bd0029adce7ad6c8d25501fdd82c994 (diff) |
Merge branch 'master' of git://1984.lsi.us.es/nf
Diffstat (limited to 'arch/powerpc/include/asm/bitops.h')
-rw-r--r-- | arch/powerpc/include/asm/bitops.h | 75 |
1 files changed, 10 insertions, 65 deletions
diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h index dc2cf9c6d9e..ef918a2328b 100644 --- a/arch/powerpc/include/asm/bitops.h +++ b/arch/powerpc/include/asm/bitops.h @@ -52,8 +52,6 @@ #define smp_mb__before_clear_bit() smp_mb() #define smp_mb__after_clear_bit() smp_mb() -#define BITOP_MASK(nr) (1UL << ((nr) % BITS_PER_LONG)) -#define BITOP_WORD(nr) ((nr) / BITS_PER_LONG) #define BITOP_LE_SWIZZLE ((BITS_PER_LONG-1) & ~0x7) /* Macro for generating the ***_bits() functions */ @@ -83,22 +81,22 @@ DEFINE_BITOP(change_bits, xor, "", "") static __inline__ void set_bit(int nr, volatile unsigned long *addr) { - set_bits(BITOP_MASK(nr), addr + BITOP_WORD(nr)); + set_bits(BIT_MASK(nr), addr + BIT_WORD(nr)); } static __inline__ void clear_bit(int nr, volatile unsigned long *addr) { - clear_bits(BITOP_MASK(nr), addr + BITOP_WORD(nr)); + clear_bits(BIT_MASK(nr), addr + BIT_WORD(nr)); } static __inline__ void clear_bit_unlock(int nr, volatile unsigned long *addr) { - clear_bits_unlock(BITOP_MASK(nr), addr + BITOP_WORD(nr)); + clear_bits_unlock(BIT_MASK(nr), addr + BIT_WORD(nr)); } static __inline__ void change_bit(int nr, volatile unsigned long *addr) { - change_bits(BITOP_MASK(nr), addr + BITOP_WORD(nr)); + change_bits(BIT_MASK(nr), addr + BIT_WORD(nr)); } /* Like DEFINE_BITOP(), with changes to the arguments to 'op' and the output @@ -136,26 +134,26 @@ DEFINE_TESTOP(test_and_change_bits, xor, PPC_ATOMIC_ENTRY_BARRIER, static __inline__ int test_and_set_bit(unsigned long nr, volatile unsigned long *addr) { - return test_and_set_bits(BITOP_MASK(nr), addr + BITOP_WORD(nr)) != 0; + return test_and_set_bits(BIT_MASK(nr), addr + BIT_WORD(nr)) != 0; } static __inline__ int test_and_set_bit_lock(unsigned long nr, volatile unsigned long *addr) { - return test_and_set_bits_lock(BITOP_MASK(nr), - addr + BITOP_WORD(nr)) != 0; + return test_and_set_bits_lock(BIT_MASK(nr), + addr + BIT_WORD(nr)) != 0; } static __inline__ int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr) { - return test_and_clear_bits(BITOP_MASK(nr), addr + BITOP_WORD(nr)) != 0; + return test_and_clear_bits(BIT_MASK(nr), addr + BIT_WORD(nr)) != 0; } static __inline__ int test_and_change_bit(unsigned long nr, volatile unsigned long *addr) { - return test_and_change_bits(BITOP_MASK(nr), addr + BITOP_WORD(nr)) != 0; + return test_and_change_bits(BIT_MASK(nr), addr + BIT_WORD(nr)) != 0; } #include <asm-generic/bitops/non-atomic.h> @@ -280,61 +278,8 @@ unsigned long __arch_hweight64(__u64 w); #include <asm-generic/bitops/find.h> /* Little-endian versions */ +#include <asm-generic/bitops/le.h> -static __inline__ int test_bit_le(unsigned long nr, - __const__ void *addr) -{ - __const__ unsigned char *tmp = (__const__ unsigned char *) addr; - return (tmp[nr >> 3] >> (nr & 7)) & 1; -} - -static inline void set_bit_le(int nr, void *addr) -{ - set_bit(nr ^ BITOP_LE_SWIZZLE, addr); -} - -static inline void clear_bit_le(int nr, void *addr) -{ - clear_bit(nr ^ BITOP_LE_SWIZZLE, addr); -} - -static inline void __set_bit_le(int nr, void *addr) -{ - __set_bit(nr ^ BITOP_LE_SWIZZLE, addr); -} - -static inline void __clear_bit_le(int nr, void *addr) -{ - __clear_bit(nr ^ BITOP_LE_SWIZZLE, addr); -} - -static inline int test_and_set_bit_le(int nr, void *addr) -{ - return test_and_set_bit(nr ^ BITOP_LE_SWIZZLE, addr); -} - -static inline int test_and_clear_bit_le(int nr, void *addr) -{ - return test_and_clear_bit(nr ^ BITOP_LE_SWIZZLE, addr); -} - -static inline int __test_and_set_bit_le(int nr, void *addr) -{ - return __test_and_set_bit(nr ^ BITOP_LE_SWIZZLE, addr); -} - -static inline int __test_and_clear_bit_le(int nr, void *addr) -{ - return __test_and_clear_bit(nr ^ BITOP_LE_SWIZZLE, addr); -} - -#define find_first_zero_bit_le(addr, size) \ - find_next_zero_bit_le((addr), (size), 0) -unsigned long find_next_zero_bit_le(const void *addr, - unsigned long size, unsigned long offset); - -unsigned long find_next_bit_le(const void *addr, - unsigned long size, unsigned long offset); /* Bitmap functions for the ext2 filesystem */ #include <asm-generic/bitops/ext2-atomic-setbit.h> |