diff options
| author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2003-02-18 23:03:03 +0000 |
|---|---|---|
| committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2003-02-18 23:03:03 +0000 |
| commit | 3431395696562c63d7bcec10e1307ef6feac31aa (patch) | |
| tree | 1610f5f6ad5fa8a7d061029f488ff5929077c351 | |
| parent | 01ffc75bc95e2a7ea7c00dc3d7637b20f02efdef (diff) | |
fixed endianness
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6 c046a42c-6fe2-441c-8c8c-71466251a162
| -rw-r--r-- | thunk.h | 40 |
1 files changed, 39 insertions, 1 deletions
@@ -2,14 +2,52 @@ #define THUNK_H #include <inttypes.h> +#include <endian.h> + +#ifdef HAVE_BYTESWAP_H #include <byteswap.h> +#else + +#define bswap_16(x) \ +({ \ + uint16_t __x = (x); \ + ((uint16_t)( \ + (((uint16_t)(__x) & (uint16_t)0x00ffU) << 8) | \ + (((uint16_t)(__x) & (uint16_t)0xff00U) >> 8) )); \ +}) + +#define bswap_32(x) \ +({ \ + uint32_t __x = (x); \ + ((uint32_t)( \ + (((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \ + (((uint32_t)(__x) & (uint32_t)0x0000ff00UL) << 8) | \ + (((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >> 8) | \ + (((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) )); \ +}) + +#define bswap_64(x) \ +({ \ + __u64 __x = (x); \ + ((__u64)( \ + (__u64)(((__u64)(__x) & (__u64)0x00000000000000ffULL) << 56) | \ + (__u64)(((__u64)(__x) & (__u64)0x000000000000ff00ULL) << 40) | \ + (__u64)(((__u64)(__x) & (__u64)0x0000000000ff0000ULL) << 24) | \ + (__u64)(((__u64)(__x) & (__u64)0x00000000ff000000ULL) << 8) | \ + (__u64)(((__u64)(__x) & (__u64)0x000000ff00000000ULL) >> 8) | \ + (__u64)(((__u64)(__x) & (__u64)0x0000ff0000000000ULL) >> 24) | \ + (__u64)(((__u64)(__x) & (__u64)0x00ff000000000000ULL) >> 40) | \ + (__u64)(((__u64)(__x) & (__u64)0xff00000000000000ULL) >> 56) )); \ +}) + +#endif #undef WORDS_BIGENDIAN #if __BYTE_ORDER == __BIG_ENDIAN #define WORDS_BIGENDIAN #endif -#ifdef WORD_BIGENDIAN +#ifdef WORDS_BIGENDIAN #define BSWAP_NEEDED #endif |