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author | jaseg <git@jaseg.de> | 2020-12-21 21:10:37 +0100 |
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committer | jaseg <git@jaseg.de> | 2020-12-21 21:10:37 +0100 |
commit | 1f9390005f15e011ec8ffd394ba73a6119b58345 (patch) | |
tree | 678d2737d592caf9b49ed6964c1cb013feff8f97 /fw/musl_include_shims/endian.h | |
parent | 74507f4c364d9cfac39df98fdfaf7eb2de107230 (diff) | |
download | minikbd-1f9390005f15e011ec8ffd394ba73a6119b58345.tar.gz minikbd-1f9390005f15e011ec8ffd394ba73a6119b58345.tar.bz2 minikbd-1f9390005f15e011ec8ffd394ba73a6119b58345.zip |
Add musl
Diffstat (limited to 'fw/musl_include_shims/endian.h')
-rw-r--r-- | fw/musl_include_shims/endian.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/fw/musl_include_shims/endian.h b/fw/musl_include_shims/endian.h new file mode 100644 index 0000000..172c432 --- /dev/null +++ b/fw/musl_include_shims/endian.h @@ -0,0 +1,80 @@ +#ifndef _ENDIAN_H +#define _ENDIAN_H + +#include <features.h> + +#define __NEED_uint16_t +#define __NEED_uint32_t +#define __NEED_uint64_t + +#include <bits/alltypes.h> + +#define __PDP_ENDIAN 3412 + +#define BIG_ENDIAN __BIG_ENDIAN +#define LITTLE_ENDIAN __LITTLE_ENDIAN +#define PDP_ENDIAN __PDP_ENDIAN +#define BYTE_ORDER __BYTE_ORDER + +static __inline uint16_t __bswap16(uint16_t __x) +{ + return __x<<8 | __x>>8; +} + +static __inline uint32_t __bswap32(uint32_t __x) +{ + return __x>>24 | __x>>8&0xff00 | __x<<8&0xff0000 | __x<<24; +} + +static __inline uint64_t __bswap64(uint64_t __x) +{ + return __bswap32(__x)+0ULL<<32 | __bswap32(__x>>32); +} + +#if __BYTE_ORDER == __LITTLE_ENDIAN +#define htobe16(x) __bswap16(x) +#define be16toh(x) __bswap16(x) +#define htobe32(x) __bswap32(x) +#define be32toh(x) __bswap32(x) +#define htobe64(x) __bswap64(x) +#define be64toh(x) __bswap64(x) +#define htole16(x) (uint16_t)(x) +#define le16toh(x) (uint16_t)(x) +#define htole32(x) (uint32_t)(x) +#define le32toh(x) (uint32_t)(x) +#define htole64(x) (uint64_t)(x) +#define le64toh(x) (uint64_t)(x) +#else +#define htobe16(x) (uint16_t)(x) +#define be16toh(x) (uint16_t)(x) +#define htobe32(x) (uint32_t)(x) +#define be32toh(x) (uint32_t)(x) +#define htobe64(x) (uint64_t)(x) +#define be64toh(x) (uint64_t)(x) +#define htole16(x) __bswap16(x) +#define le16toh(x) __bswap16(x) +#define htole32(x) __bswap32(x) +#define le32toh(x) __bswap32(x) +#define htole64(x) __bswap64(x) +#define le64toh(x) __bswap64(x) +#endif + +#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) +#if __BYTE_ORDER == __LITTLE_ENDIAN +#define betoh16(x) __bswap16(x) +#define betoh32(x) __bswap32(x) +#define betoh64(x) __bswap64(x) +#define letoh16(x) (uint16_t)(x) +#define letoh32(x) (uint32_t)(x) +#define letoh64(x) (uint64_t)(x) +#else +#define betoh16(x) (uint16_t)(x) +#define betoh32(x) (uint32_t)(x) +#define betoh64(x) (uint64_t)(x) +#define letoh16(x) __bswap16(x) +#define letoh32(x) __bswap32(x) +#define letoh64(x) __bswap64(x) +#endif +#endif + +#endif |