diff options
Diffstat (limited to 'src/include/endian.h')
| -rw-r--r-- | src/include/endian.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/include/endian.h b/src/include/endian.h index b511a491a8..ce6d7c3c21 100644 --- a/src/include/endian.h +++ b/src/include/endian.h @@ -21,5 +21,72 @@ #define _ENDIAN_H_ #include <arch/byteorder.h> +#include <stdint.h> +#include <swab.h> + +#if defined(__LITTLE_ENDIAN) + #define cpu_to_le64(x) ((uint64_t)(x)) + #define le64_to_cpu(x) ((uint64_t)(x)) + #define cpu_to_le32(x) ((uint32_t)(x)) + #define le32_to_cpu(x) ((uint32_t)(x)) + #define cpu_to_le16(x) ((uint16_t)(x)) + #define le16_to_cpu(x) ((uint16_t)(x)) + #define cpu_to_be64(x) swab64(x) + #define be64_to_cpu(x) swab64(x) + #define cpu_to_be32(x) swab32(x) + #define be32_to_cpu(x) swab32(x) + #define cpu_to_be16(x) swab16(x) + #define be16_to_cpu(x) swab16(x) +#elif defined(__BIG_ENDIAN) + #define cpu_to_le64(x) swab64(x) + #define le64_to_cpu(x) swab64(x) + #define cpu_to_le32(x) swab32(x) + #define le32_to_cpu(x) swab32(x) + #define cpu_to_le16(x) swab16(x) + #define le16_to_cpu(x) swab16(x) + #define cpu_to_be64(x) ((uint64_t)(x)) + #define be64_to_cpu(x) ((uint64_t)(x)) + #define cpu_to_be32(x) ((uint32_t)(x)) + #define be32_to_cpu(x) ((uint32_t)(x)) + #define cpu_to_be16(x) ((uint16_t)(x)) + #define be16_to_cpu(x) ((uint16_t)(x)) +#else + #error "<arch/byteorder.h> must #define __LITTLE_ENDIAN or __BIG_ENDIAN" +#endif + +#define ntohll(x) be64_to_cpu(x) +#define htonll(x) cpu_to_be64(x) +#define ntohl(x) be32_to_cpu(x) +#define htonl(x) cpu_to_be32(x) + +#define __clrsetbits(endian, bits, addr, clear, set) \ + write##bits(addr, cpu_to_##endian##bits((endian##bits##_to_cpu( \ + read##bits(addr)) & ~((uint##bits##_t)(clear))) | (set))) + +#define clrbits_le64(addr, clear) __clrsetbits(le, 64, addr, clear, 0) +#define clrbits_be64(addr, clear) __clrsetbits(be, 64, addr, clear, 0) +#define clrbits_le32(addr, clear) __clrsetbits(le, 32, addr, clear, 0) +#define clrbits_be32(addr, clear) __clrsetbits(be, 32, addr, clear, 0) +#define clrbits_le16(addr, clear) __clrsetbits(le, 16, addr, clear, 0) +#define clrbits_be16(addr, clear) __clrsetbits(be, 16, addr, clear, 0) + +#define setbits_le64(addr, set) __clrsetbits(le, 64, addr, 0, set) +#define setbits_be64(addr, set) __clrsetbits(be, 64, addr, 0, set) +#define setbits_le32(addr, set) __clrsetbits(le, 32, addr, 0, set) +#define setbits_be32(addr, set) __clrsetbits(be, 32, addr, 0, set) +#define setbits_le16(addr, set) __clrsetbits(le, 16, addr, 0, set) +#define setbits_be16(addr, set) __clrsetbits(be, 16, addr, 0, set) + +#define clrsetbits_le64(addr, clear, set) __clrsetbits(le, 64, addr, clear, set) +#define clrsetbits_be64(addr, clear, set) __clrsetbits(be, 64, addr, clear, set) +#define clrsetbits_le32(addr, clear, set) __clrsetbits(le, 32, addr, clear, set) +#define clrsetbits_be32(addr, clear, set) __clrsetbits(be, 32, addr, clear, set) +#define clrsetbits_le16(addr, clear, set) __clrsetbits(le, 16, addr, clear, set) +#define clrsetbits_be16(addr, clear, set) __clrsetbits(be, 16, addr, clear, set) + +#define clrsetbits_8(addr, clear, set) \ + write8(addr, (read8(addr) & ~(clear)) | (set)) +#define clrbits_8(addr, clear) clrsetbits_8(addr, clear, 0) +#define setbits_8(addr, set) setbits_8(addr, 0, set) #endif |