| 109,6 → 109,17 |
|---|
| return (word >> shift) | (word << (8 - shift)); |
| } |
| |
| /** |
| * sign_extend32 - sign extend a 32-bit value using specified bit as sign-bit |
| * @value: value to sign extend |
| * @index: 0 based bit index (0<=index<32) to sign bit |
| */ |
| static inline __s32 sign_extend32(__u32 value, int index) |
| { |
| __u8 shift = 31 - index; |
| return (__s32)(value << shift) >> shift; |
| } |
| |
| static inline unsigned fls_long(unsigned long l) |
| { |
| if (sizeof(l) == 4) |
| 137,7 → 148,7 |
|---|
| |
| #ifdef __KERNEL__ |
| |
| #ifdef CONFIG_GENERIC_FIND_LAST_BIT |
| #ifndef find_last_bit |
| /** |
| * find_last_bit - find the last set bit in a memory region |
| * @addr: The address to start the search at |
| 147,7 → 158,7 |
|---|
| */ |
| extern unsigned long find_last_bit(const unsigned long *addr, |
| unsigned long size); |
| #endif /* CONFIG_GENERIC_FIND_LAST_BIT */ |
| #endif |
| |
| #endif /* __KERNEL__ */ |
| #endif |