diff options
| author | Carlos Maiolino <[email protected]> | 2025-07-10 22:18:39 +0200 |
|---|---|---|
| committer | Carlos Maiolino <[email protected]> | 2025-07-10 22:18:39 +0200 |
| commit | 8c6fc0c15415b32080a848bbde640e104098cf13 (patch) | |
| tree | 04a21bd28f9dc82c8e216390d6208ed93b9bcd11 /riscv/riscv-probe/libfemto/include/endian.h | |
Initial drop
Add some riscv code
Signed-off-by: Carlos Maiolino <[email protected]>
Diffstat (limited to 'riscv/riscv-probe/libfemto/include/endian.h')
| -rw-r--r-- | riscv/riscv-probe/libfemto/include/endian.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/riscv/riscv-probe/libfemto/include/endian.h b/riscv/riscv-probe/libfemto/include/endian.h new file mode 100644 index 0000000..8510f29 --- /dev/null +++ b/riscv/riscv-probe/libfemto/include/endian.h @@ -0,0 +1,95 @@ +#pragma once + +#define bswap16(x) __builtin_bswap16(x) +#define bswap32(x) __builtin_bswap32(x) +#define bswap64(x) __builtin_bswap64(x) + +#if __BYTE_ORDER == __LITTLE_ENDIAN +static inline uint16_t htobe16(uint16_t x) { return bswap16(x); } +static inline uint16_t htole16(uint16_t x) { return x; } +static inline uint16_t be16toh(uint16_t x) { return bswap16(x); } +static inline uint16_t le16toh(uint16_t x) { return x; } + +static inline uint32_t htobe32(uint32_t x) { return bswap32(x); } +static inline uint32_t htole32(uint32_t x) { return x; } +static inline uint32_t be32toh(uint32_t x) { return bswap32(x); } +static inline uint32_t le32toh(uint32_t x) { return x; } + +static inline uint64_t htobe64(uint64_t x) { return bswap64(x); } +static inline uint64_t htole64(uint64_t x) { return x; } +static inline uint64_t be64toh(uint64_t x) { return bswap64(x); } +static inline uint64_t le64toh(uint64_t x) { return x; } +#elif __BYTE_ORDER == __BIG_ENDIAN +static inline uint16_t htobe16(uint16_t x) { return x; } +static inline uint16_t htole16(uint16_t x) { return bswap16(x); } +static inline uint16_t be16toh(uint16_t x) { return x; } +static inline uint16_t le16toh(uint16_t x) { return bswap16(x); } + +static inline uint32_t htobe32(uint32_t x) { return x; } +static inline uint32_t htole32(uint32_t x) { return bswap32(x); } +static inline uint32_t be32toh(uint32_t x) { return x; } +static inline uint32_t le32toh(uint16_t x) { return bswap64(x); } + +static inline uint64_t htobe64(uint64_t x) { return x; } +static inline uint64_t htole64(uint64_t x) { return bswap64(x); } +static inline uint64_t be64toh(uint64_t x) { return x; } +static inline uint64_t le64toh(uint64_t x) { return bswap64(x); } +#endif + +#if __SIZE_WIDTH__ == 32 +#define _htobel htobe32 +#define _beltoh be32toh +#define _htolel htole32 +#define _leltoh le32toh +#endif + +#if __SIZE_WIDTH__ == 64 +#define _htobel htobe64 +#define _beltoh be64toh +#define _htolel htole64 +#define _leltoh le64toh +#endif + +#define htobe(X) _Generic((X), \ + short: htobe16, \ + unsigned short: htobe16, \ + int: htobe32, \ + unsigned int: htobe32, \ + long: _htobel, \ + unsigned long: _htobel, \ + long long: htobe64, \ + unsigned long long: htobe64 \ + )(X) + +#define betoh(X) _Generic((X), \ + short: be16toh, \ + unsigned short: be16toh, \ + int: be32toh, \ + unsigned int: be32toh, \ + long: _beltoh, \ + unsigned long: _beltoh, \ + long long: be64toh, \ + unsigned long long: be64toh \ + )(X) + +#define htole(X) _Generic((X), \ + short: htole16, \ + unsigned short: htole16, \ + int: htole32, \ + unsigned int: htole32, \ + long: _htolel, \ + unsigned long: _htolel, \ + long long: htole64, \ + unsigned long long: htole64 \ + )(X) + +#define letoh(X) _Generic((X), \ + short: le16toh, \ + unsigned short: le16toh, \ + int: le32toh, \ + unsigned int: le32toh, \ + long: _leltoh, \ + unsigned long: _leltoh, \ + long long: le64toh, \ + unsigned long long: le64toh \ + )(X) |