0 žFile not found.  h0  ag /* SPDX-License-Identifier: GPL-2.0 */ #ifndef _TOOLS_LINUX_BITOPS_H_ #define _TOOLS_LINUX_BITOPS_H_ #include #include #ifndef __WORDSIZE #define __WORDSIZE (__SIZEOF_LONG__ * 8) #endif #ifndef BITS_PER_LONG # define BITS_PER_LONG __WORDSIZE #endif #include #include #define BITS_PER_TYPE(type) (sizeof(type) * BITS_PER_BYTE) #define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_TYPE(long)) #define BITS_TO_U64(nr) DIV_ROUND_UP(nr, BITS_PER_TYPE(u64)) #define BITS_TO_U32(nr) DIV_ROUND_UP(nr, BITS_PER_TYPE(u32)) #define BITS_TO_BYTES(nr) DIV_ROUND_UP(nr, BITS_PER_TYPE(char)) #define BYTES_TO_BITS(nb) ((nb) * BITS_PER_BYTE) extern unsigned int __sw_hweight8(unsigned int w); extern unsigned int __sw_hweight16(unsigned int w); extern unsigned int __sw_hweight32(unsigned int w); extern unsigned long __sw_hweight64(__u64 w); /* * Include this here because some architectures need generic_ffs/fls in * scope * * XXX: this needs to be asm/bitops.h, when we get to per arch optimizations */ #include #define for_each_set_bit(bit, addr, size) \ for ((bit) = find_first_bit((addr), (size)); \ (bit) < (size); \ (bit) = find_next_bit((addr), (size), (bit) + 1)) #define for_each_clear_bit(bit, addr, size) \ for ((bit) = find_first_zero_bit((addr), (size)); \ (bit) < (size); \ (bit) = find_next_zero_bit((addr), (size), (bit) + 1)) /* same as for_each_set_bit() but use bit as value to start with */ #define for_each_set_bit_from(bit, addr, size) \ for ((bit) = find_next_bit((addr), (size), (bit)); \ (bit) < (size); \ (bit) = find_next_bit((addr), (size), (bit) + 1)) static inline unsigned long hweight_long(unsigned long w) { return sizeof(w) == 4 ? hweight32(w) : hweight64(w); } static inline unsigned fls_long(unsigned long l) { if (sizeof(l) == 4) return fls(l); return fls64(l); } /** * rol32 - rotate a 32-bit value left * @word: value to rotate * @shift: bits to roll */ static inline __u32 rol32(__u32 word, unsigned int shift) { return (word << shift) | (word >> ((-shift) & 31)); } /** * sign_extend64 - sign extend a 64-bit value using specified bit as sign-bit * @value: value to sign extend * @index: 0 based bit index (0<=index<64) to sign bit */ static __always_inline __s64 sign_extend64(__u64 value, int index) { __u8 shift = 63 - index; return (__s64)(value << shift) >> shift; } #endif žFile not found.  3_I|Mdv &K Index of /FSS-OZR/root/sys/bus/acpi/devices/LNXSYBUS:00/ACPI0010:00/LNXCPU:03/physical_node/node0/memory2

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