diff options
Diffstat (limited to 'include/asm-generic/bitops/le.h')
| -rw-r--r-- | include/asm-generic/bitops/le.h | 89 |
1 files changed, 56 insertions, 33 deletions
diff --git a/include/asm-generic/bitops/le.h b/include/asm-generic/bitops/le.h index 80e3bf13b2b9..946a21b1b5dc 100644 --- a/include/asm-generic/bitops/le.h +++ b/include/asm-generic/bitops/le.h | |||
| @@ -4,54 +4,77 @@ | |||
| 4 | #include <asm/types.h> | 4 | #include <asm/types.h> |
| 5 | #include <asm/byteorder.h> | 5 | #include <asm/byteorder.h> |
| 6 | 6 | ||
| 7 | #define BITOP_WORD(nr) ((nr) / BITS_PER_LONG) | ||
| 8 | #define BITOP_LE_SWIZZLE ((BITS_PER_LONG-1) & ~0x7) | ||
| 9 | |||
| 10 | #if defined(__LITTLE_ENDIAN) | 7 | #if defined(__LITTLE_ENDIAN) |
| 11 | 8 | ||
| 12 | #define generic_test_le_bit(nr, addr) test_bit(nr, addr) | 9 | #define BITOP_LE_SWIZZLE 0 |
| 13 | #define generic___set_le_bit(nr, addr) __set_bit(nr, addr) | ||
| 14 | #define generic___clear_le_bit(nr, addr) __clear_bit(nr, addr) | ||
| 15 | 10 | ||
| 16 | #define generic_test_and_set_le_bit(nr, addr) test_and_set_bit(nr, addr) | 11 | static inline unsigned long find_next_zero_bit_le(const void *addr, |
| 17 | #define generic_test_and_clear_le_bit(nr, addr) test_and_clear_bit(nr, addr) | 12 | unsigned long size, unsigned long offset) |
| 13 | { | ||
| 14 | return find_next_zero_bit(addr, size, offset); | ||
| 15 | } | ||
| 18 | 16 | ||
| 19 | #define generic___test_and_set_le_bit(nr, addr) __test_and_set_bit(nr, addr) | 17 | static inline unsigned long find_next_bit_le(const void *addr, |
| 20 | #define generic___test_and_clear_le_bit(nr, addr) __test_and_clear_bit(nr, addr) | 18 | unsigned long size, unsigned long offset) |
| 19 | { | ||
| 20 | return find_next_bit(addr, size, offset); | ||
| 21 | } | ||
| 21 | 22 | ||
| 22 | #define generic_find_next_zero_le_bit(addr, size, offset) find_next_zero_bit(addr, size, offset) | 23 | static inline unsigned long find_first_zero_bit_le(const void *addr, |
| 23 | #define generic_find_next_le_bit(addr, size, offset) \ | 24 | unsigned long size) |
| 24 | find_next_bit(addr, size, offset) | 25 | { |
| 26 | return find_first_zero_bit(addr, size); | ||
| 27 | } | ||
| 25 | 28 | ||
| 26 | #elif defined(__BIG_ENDIAN) | 29 | #elif defined(__BIG_ENDIAN) |
| 27 | 30 | ||
| 28 | #define generic_test_le_bit(nr, addr) \ | 31 | #define BITOP_LE_SWIZZLE ((BITS_PER_LONG-1) & ~0x7) |
| 29 | test_bit((nr) ^ BITOP_LE_SWIZZLE, (addr)) | ||
| 30 | #define generic___set_le_bit(nr, addr) \ | ||
| 31 | __set_bit((nr) ^ BITOP_LE_SWIZZLE, (addr)) | ||
| 32 | #define generic___clear_le_bit(nr, addr) \ | ||
| 33 | __clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr)) | ||
| 34 | |||
| 35 | #define generic_test_and_set_le_bit(nr, addr) \ | ||
| 36 | test_and_set_bit((nr) ^ BITOP_LE_SWIZZLE, (addr)) | ||
| 37 | #define generic_test_and_clear_le_bit(nr, addr) \ | ||
| 38 | test_and_clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr)) | ||
| 39 | |||
| 40 | #define generic___test_and_set_le_bit(nr, addr) \ | ||
| 41 | __test_and_set_bit((nr) ^ BITOP_LE_SWIZZLE, (addr)) | ||
| 42 | #define generic___test_and_clear_le_bit(nr, addr) \ | ||
| 43 | __test_and_clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr)) | ||
| 44 | 32 | ||
| 45 | extern unsigned long generic_find_next_zero_le_bit(const unsigned long *addr, | 33 | extern unsigned long find_next_zero_bit_le(const void *addr, |
| 46 | unsigned long size, unsigned long offset); | 34 | unsigned long size, unsigned long offset); |
| 47 | extern unsigned long generic_find_next_le_bit(const unsigned long *addr, | 35 | extern unsigned long find_next_bit_le(const void *addr, |
| 48 | unsigned long size, unsigned long offset); | 36 | unsigned long size, unsigned long offset); |
| 49 | 37 | ||
| 38 | #define find_first_zero_bit_le(addr, size) \ | ||
| 39 | find_next_zero_bit_le((addr), (size), 0) | ||
| 40 | |||
| 50 | #else | 41 | #else |
| 51 | #error "Please fix <asm/byteorder.h>" | 42 | #error "Please fix <asm/byteorder.h>" |
| 52 | #endif | 43 | #endif |
| 53 | 44 | ||
| 54 | #define generic_find_first_zero_le_bit(addr, size) \ | 45 | static inline int test_bit_le(int nr, const void *addr) |
| 55 | generic_find_next_zero_le_bit((addr), (size), 0) | 46 | { |
| 47 | return test_bit(nr ^ BITOP_LE_SWIZZLE, addr); | ||
| 48 | } | ||
| 49 | |||
| 50 | static inline void __set_bit_le(int nr, void *addr) | ||
| 51 | { | ||
| 52 | __set_bit(nr ^ BITOP_LE_SWIZZLE, addr); | ||
| 53 | } | ||
| 54 | |||
| 55 | static inline void __clear_bit_le(int nr, void *addr) | ||
| 56 | { | ||
| 57 | __clear_bit(nr ^ BITOP_LE_SWIZZLE, addr); | ||
| 58 | } | ||
| 59 | |||
| 60 | static inline int test_and_set_bit_le(int nr, void *addr) | ||
| 61 | { | ||
| 62 | return test_and_set_bit(nr ^ BITOP_LE_SWIZZLE, addr); | ||
| 63 | } | ||
| 64 | |||
| 65 | static inline int test_and_clear_bit_le(int nr, void *addr) | ||
| 66 | { | ||
| 67 | return test_and_clear_bit(nr ^ BITOP_LE_SWIZZLE, addr); | ||
| 68 | } | ||
| 69 | |||
| 70 | static inline int __test_and_set_bit_le(int nr, void *addr) | ||
| 71 | { | ||
| 72 | return __test_and_set_bit(nr ^ BITOP_LE_SWIZZLE, addr); | ||
| 73 | } | ||
| 74 | |||
| 75 | static inline int __test_and_clear_bit_le(int nr, void *addr) | ||
| 76 | { | ||
| 77 | return __test_and_clear_bit(nr ^ BITOP_LE_SWIZZLE, addr); | ||
| 78 | } | ||
| 56 | 79 | ||
| 57 | #endif /* _ASM_GENERIC_BITOPS_LE_H_ */ | 80 | #endif /* _ASM_GENERIC_BITOPS_LE_H_ */ |
