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Diffstat (limited to 'arch/blackfin/include/asm/bitops.h')
-rw-r--r-- | arch/blackfin/include/asm/bitops.h | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/arch/blackfin/include/asm/bitops.h b/arch/blackfin/include/asm/bitops.h deleted file mode 100644 index b298b654a26f..000000000000 --- a/arch/blackfin/include/asm/bitops.h +++ /dev/null @@ -1,140 +0,0 @@ -/* - * Copyright 2004-2009 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#ifndef _BLACKFIN_BITOPS_H -#define _BLACKFIN_BITOPS_H - -#include <linux/compiler.h> - -#include <asm-generic/bitops/__ffs.h> -#include <asm-generic/bitops/ffz.h> -#include <asm-generic/bitops/fls.h> -#include <asm-generic/bitops/__fls.h> -#include <asm-generic/bitops/fls64.h> -#include <asm-generic/bitops/find.h> - -#ifndef _LINUX_BITOPS_H -#error only <linux/bitops.h> can be included directly -#endif - -#include <asm-generic/bitops/sched.h> -#include <asm-generic/bitops/ffs.h> -#include <asm-generic/bitops/const_hweight.h> -#include <asm-generic/bitops/lock.h> - -#include <asm-generic/bitops/ext2-atomic.h> - -#include <asm/barrier.h> - -#ifndef CONFIG_SMP -#include <linux/irqflags.h> -/* - * clear_bit may not imply a memory barrier - */ -#include <asm-generic/bitops/atomic.h> -#include <asm-generic/bitops/non-atomic.h> -#else - -#include <asm/byteorder.h> /* swab32 */ -#include <linux/linkage.h> - -asmlinkage int __raw_bit_set_asm(volatile unsigned long *addr, int nr); - -asmlinkage int __raw_bit_clear_asm(volatile unsigned long *addr, int nr); - -asmlinkage int __raw_bit_toggle_asm(volatile unsigned long *addr, int nr); - -asmlinkage int __raw_bit_test_set_asm(volatile unsigned long *addr, int nr); - -asmlinkage int __raw_bit_test_clear_asm(volatile unsigned long *addr, int nr); - -asmlinkage int __raw_bit_test_toggle_asm(volatile unsigned long *addr, int nr); - -asmlinkage int __raw_bit_test_asm(const volatile unsigned long *addr, int nr); - -static inline void set_bit(int nr, volatile unsigned long *addr) -{ - volatile unsigned long *a = addr + (nr >> 5); - __raw_bit_set_asm(a, nr & 0x1f); -} - -static inline void clear_bit(int nr, volatile unsigned long *addr) -{ - volatile unsigned long *a = addr + (nr >> 5); - __raw_bit_clear_asm(a, nr & 0x1f); -} - -static inline void change_bit(int nr, volatile unsigned long *addr) -{ - volatile unsigned long *a = addr + (nr >> 5); - __raw_bit_toggle_asm(a, nr & 0x1f); -} - -static inline int test_bit(int nr, const volatile unsigned long *addr) -{ - volatile const unsigned long *a = addr + (nr >> 5); - return __raw_bit_test_asm(a, nr & 0x1f) != 0; -} - -static inline int test_and_set_bit(int nr, volatile unsigned long *addr) -{ - volatile unsigned long *a = addr + (nr >> 5); - return __raw_bit_test_set_asm(a, nr & 0x1f); -} - -static inline int test_and_clear_bit(int nr, volatile unsigned long *addr) -{ - volatile unsigned long *a = addr + (nr >> 5); - return __raw_bit_test_clear_asm(a, nr & 0x1f); -} - -static inline int test_and_change_bit(int nr, volatile unsigned long *addr) -{ - volatile unsigned long *a = addr + (nr >> 5); - return __raw_bit_test_toggle_asm(a, nr & 0x1f); -} - -#define test_bit __skip_test_bit -#include <asm-generic/bitops/non-atomic.h> -#undef test_bit - -#endif /* CONFIG_SMP */ - -/* Needs to be after test_bit and friends */ -#include <asm-generic/bitops/le.h> - -/* - * hweightN: returns the hamming weight (i.e. the number - * of bits set) of a N-bit word - */ - -static inline unsigned int __arch_hweight32(unsigned int w) -{ - unsigned int res; - - __asm__ ("%0.l = ONES %1;" - "%0 = %0.l (Z);" - : "=d" (res) : "d" (w)); - return res; -} - -static inline unsigned int __arch_hweight64(__u64 w) -{ - return __arch_hweight32((unsigned int)(w >> 32)) + - __arch_hweight32((unsigned int)w); -} - -static inline unsigned int __arch_hweight16(unsigned int w) -{ - return __arch_hweight32(w & 0xffff); -} - -static inline unsigned int __arch_hweight8(unsigned int w) -{ - return __arch_hweight32(w & 0xff); -} - -#endif /* _BLACKFIN_BITOPS_H */ |