diff --git a/include/sbi/sbi_byteorder.h b/include/sbi/sbi_byteorder.h index 2b4981e0..ed7cad1e 100644 --- a/include/sbi/sbi_byteorder.h +++ b/include/sbi/sbi_byteorder.h @@ -14,13 +14,13 @@ # define _conv_cast(type, val) ((type)(val)) #endif -#define BSWAP16(x) ((((x) & 0x00ff) << 8) | \ +#define __BSWAP16(x) ((((x) & 0x00ff) << 8) | \ (((x) & 0xff00) >> 8)) -#define BSWAP32(x) ((((x) & 0x000000ff) << 24) | \ +#define __BSWAP32(x) ((((x) & 0x000000ff) << 24) | \ (((x) & 0x0000ff00) << 8) | \ (((x) & 0x00ff0000) >> 8) | \ (((x) & 0xff000000) >> 24)) -#define BSWAP64(x) ((((x) & 0x00000000000000ffULL) << 56) | \ +#define __BSWAP64(x) ((((x) & 0x00000000000000ffULL) << 56) | \ (((x) & 0x000000000000ff00ULL) << 40) | \ (((x) & 0x0000000000ff0000ULL) << 24) | \ (((x) & 0x00000000ff000000ULL) << 8) | \ @@ -29,6 +29,10 @@ (((x) & 0x00ff000000000000ULL) >> 40) | \ (((x) & 0xff00000000000000ULL) >> 56)) +#define BSWAP64(x) ({ uint64_t _sv = (x); __BSWAP64(_sv); }) +#define BSWAP32(x) ({ uint32_t _sv = (x); __BSWAP32(_sv); }) +#define BSWAP16(x) ({ uint16_t _sv = (x); __BSWAP16(_sv); }) + #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ /* CPU(little-endian) */ #define cpu_to_be16(x) _conv_cast(uint16_t, BSWAP16(x)) #define cpu_to_be32(x) _conv_cast(uint32_t, BSWAP32(x))