diff options
Diffstat (limited to 'arch/sh/include/asm/bitops-op32.h')
| -rw-r--r-- | arch/sh/include/asm/bitops-op32.h | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/arch/sh/include/asm/bitops-op32.h b/arch/sh/include/asm/bitops-op32.h index 466880362ad1..5ace89b46507 100644 --- a/arch/sh/include/asm/bitops-op32.h +++ b/arch/sh/include/asm/bitops-op32.h @@ -2,6 +2,8 @@ #ifndef __ASM_SH_BITOPS_OP32_H #define __ASM_SH_BITOPS_OP32_H +#include <linux/bits.h> + /* * The bit modifying instructions on SH-2A are only capable of working * with a 3-bit immediate, which signifies the shift position for the bit @@ -16,11 +18,10 @@ #define BYTE_OFFSET(nr) ((nr) % BITS_PER_BYTE) #endif -#define IS_IMMEDIATE(nr) (__builtin_constant_p(nr)) - -static inline void __set_bit(int nr, volatile unsigned long *addr) +static __always_inline void +arch___set_bit(unsigned long nr, volatile unsigned long *addr) { - if (IS_IMMEDIATE(nr)) { + if (__builtin_constant_p(nr)) { __asm__ __volatile__ ( "bset.b %1, @(%O2,%0) ! __set_bit\n\t" : "+r" (addr) @@ -35,9 +36,10 @@ static inline void __set_bit(int nr, volatile unsigned long *addr) } } -static inline void __clear_bit(int nr, volatile unsigned long *addr) +static __always_inline void +arch___clear_bit(unsigned long nr, volatile unsigned long *addr) { - if (IS_IMMEDIATE(nr)) { + if (__builtin_constant_p(nr)) { __asm__ __volatile__ ( "bclr.b %1, @(%O2,%0) ! __clear_bit\n\t" : "+r" (addr) @@ -54,7 +56,7 @@ static inline void __clear_bit(int nr, volatile unsigned long *addr) } /** - * __change_bit - Toggle a bit in memory + * arch___change_bit - Toggle a bit in memory * @nr: the bit to change * @addr: the address to start counting from * @@ -62,9 +64,10 @@ static inline void __clear_bit(int nr, volatile unsigned long *addr) * If it's called on the same region of memory simultaneously, the effect * may be that only one operation succeeds. */ -static inline void __change_bit(int nr, volatile unsigned long *addr) +static __always_inline void +arch___change_bit(unsigned long nr, volatile unsigned long *addr) { - if (IS_IMMEDIATE(nr)) { + if (__builtin_constant_p(nr)) { __asm__ __volatile__ ( "bxor.b %1, @(%O2,%0) ! __change_bit\n\t" : "+r" (addr) @@ -81,7 +84,7 @@ static inline void __change_bit(int nr, volatile unsigned long *addr) } /** - * __test_and_set_bit - Set a bit and return its old value + * arch___test_and_set_bit - Set a bit and return its old value * @nr: Bit to set * @addr: Address to count from * @@ -89,7 +92,8 @@ static inline void __change_bit(int nr, volatile unsigned long *addr) * If two examples of this operation race, one can appear to succeed * but actually fail. You must protect multiple accesses with a lock. */ -static inline int __test_and_set_bit(int nr, volatile unsigned long *addr) +static __always_inline bool +arch___test_and_set_bit(unsigned long nr, volatile unsigned long *addr) { unsigned long mask = BIT_MASK(nr); unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); @@ -100,7 +104,7 @@ static inline int __test_and_set_bit(int nr, volatile unsigned long *addr) } /** - * __test_and_clear_bit - Clear a bit and return its old value + * arch___test_and_clear_bit - Clear a bit and return its old value * @nr: Bit to clear * @addr: Address to count from * @@ -108,7 +112,8 @@ static inline int __test_and_set_bit(int nr, volatile unsigned long *addr) * If two examples of this operation race, one can appear to succeed * but actually fail. You must protect multiple accesses with a lock. */ -static inline int __test_and_clear_bit(int nr, volatile unsigned long *addr) +static __always_inline bool +arch___test_and_clear_bit(unsigned long nr, volatile unsigned long *addr) { unsigned long mask = BIT_MASK(nr); unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); @@ -119,8 +124,8 @@ static inline int __test_and_clear_bit(int nr, volatile unsigned long *addr) } /* WARNING: non atomic and it can be reordered! */ -static inline int __test_and_change_bit(int nr, - volatile unsigned long *addr) +static __always_inline bool +arch___test_and_change_bit(unsigned long nr, volatile unsigned long *addr) { unsigned long mask = BIT_MASK(nr); unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); @@ -130,14 +135,9 @@ static inline int __test_and_change_bit(int nr, return (old & mask) != 0; } -/** - * test_bit - Determine whether a bit is set - * @nr: bit number to test - * @addr: Address to start counting from - */ -static inline int test_bit(int nr, const volatile unsigned long *addr) -{ - return 1UL & (addr[BIT_WORD(nr)] >> (nr & (BITS_PER_LONG-1))); -} +#define arch_test_bit generic_test_bit +#define arch_test_bit_acquire generic_test_bit_acquire + +#include <asm-generic/bitops/non-instrumented-non-atomic.h> #endif /* __ASM_SH_BITOPS_OP32_H */ |