gwj / at91sam9263 · Commits

Commit 3431395696562c63d7bcec10e1307ef6feac31aa

Authored by bellard
1 parent 01ffc75b

fixed endianness 


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6 c046a42c-6fe2-441c-8c8c-71466251a162
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Showing 1 changed file with 39 additions and 1 deletions
... ... @@ -2,14 +2,52 @@
2 2 #define THUNK_H
3 3  
4 4 #include <inttypes.h>
  5 +#include <endian.h>
  6 +
  7 +#ifdef HAVE_BYTESWAP_H
5 8 #include <byteswap.h>
  9 +#else
  10 +
  11 +#define bswap_16(x) \
  12 +({ \
  13 + uint16_t __x = (x); \
  14 + ((uint16_t)( \
  15 + (((uint16_t)(__x) & (uint16_t)0x00ffU) << 8) | \
  16 + (((uint16_t)(__x) & (uint16_t)0xff00U) >> 8) )); \
  17 +})
  18 +
  19 +#define bswap_32(x) \
  20 +({ \
  21 + uint32_t __x = (x); \
  22 + ((uint32_t)( \
  23 + (((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \
  24 + (((uint32_t)(__x) & (uint32_t)0x0000ff00UL) << 8) | \
  25 + (((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >> 8) | \
  26 + (((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) )); \
  27 +})
  28 +
  29 +#define bswap_64(x) \
  30 +({ \
  31 + __u64 __x = (x); \
  32 + ((__u64)( \
  33 + (__u64)(((__u64)(__x) & (__u64)0x00000000000000ffULL) << 56) | \
  34 + (__u64)(((__u64)(__x) & (__u64)0x000000000000ff00ULL) << 40) | \
  35 + (__u64)(((__u64)(__x) & (__u64)0x0000000000ff0000ULL) << 24) | \
  36 + (__u64)(((__u64)(__x) & (__u64)0x00000000ff000000ULL) << 8) | \
  37 + (__u64)(((__u64)(__x) & (__u64)0x000000ff00000000ULL) >> 8) | \
  38 + (__u64)(((__u64)(__x) & (__u64)0x0000ff0000000000ULL) >> 24) | \
  39 + (__u64)(((__u64)(__x) & (__u64)0x00ff000000000000ULL) >> 40) | \
  40 + (__u64)(((__u64)(__x) & (__u64)0xff00000000000000ULL) >> 56) )); \
  41 +})
  42 +
  43 +#endif
6 44  
7 45 #undef WORDS_BIGENDIAN
8 46 #if __BYTE_ORDER == __BIG_ENDIAN
9 47 #define WORDS_BIGENDIAN
10 48 #endif
11 49  
12   -#ifdef WORD_BIGENDIAN
  50 +#ifdef WORDS_BIGENDIAN
13 51 #define BSWAP_NEEDED
14 52 #endif
15 53  
... ...