1 #ifndef FIO_BSWAP_H 2 #define FIO_BSWAP_H 3 4 #include <inttypes.h> 5 6 #ifdef CONFIG_LITTLE_ENDIAN 7 static inline uint32_t __be32_to_cpu(uint32_t val) 8 { 9 uint32_t c1, c2, c3, c4; 10 11 c1 = (val >> 24) & 0xff; 12 c2 = (val >> 16) & 0xff; 13 c3 = (val >> 8) & 0xff; 14 c4 = val & 0xff; 15 16 return c1 | c2 << 8 | c3 << 16 | c4 << 24; 17 } 18 19 static inline uint64_t __be64_to_cpu(uint64_t val) 20 { 21 uint64_t c1, c2, c3, c4, c5, c6, c7, c8; 22 23 c1 = (val >> 56) & 0xff; 24 c2 = (val >> 48) & 0xff; 25 c3 = (val >> 40) & 0xff; 26 c4 = (val >> 32) & 0xff; 27 c5 = (val >> 24) & 0xff; 28 c6 = (val >> 16) & 0xff; 29 c7 = (val >> 8) & 0xff; 30 c8 = val & 0xff; 31 32 return c1 | c2 << 8 | c3 << 16 | c4 << 24 | c5 << 32 | c6 << 40 | c7 << 48 | c8 << 56; 33 } 34 #else 35 static inline uint64_t __be64_to_cpu(uint64_t val) 36 { 37 return val; 38 } 39 40 static inline uint32_t __be32_to_cpu(uint32_t val) 41 { 42 return val; 43 } 44 #endif 45 46 #endif 47
