diff options
Diffstat (limited to 'testing/xen/fix_bswap_blktap2.patch')
| -rw-r--r-- | testing/xen/fix_bswap_blktap2.patch | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/testing/xen/fix_bswap_blktap2.patch b/testing/xen/fix_bswap_blktap2.patch new file mode 100644 index 0000000000..69cd2e369c --- /dev/null +++ b/testing/xen/fix_bswap_blktap2.patch @@ -0,0 +1,62 @@ +# HG changeset patch +# Parent 00d9ee3844121f4a7f01e42933751e49b0448abb +blktap2: remove local definitions and include byteswap.h + +Use the same approach as tools/blktap2/include/libvhd.h, remove local +definitions of bswap* and include byteswap.h. Also remove the +HAVE_BYTESWAP_H ifdef, since it was not defined in this context (it's +defined by QEMU). + +Signed-off-by: Roger Pau Monne <roger.pau@entel.upc.edu> + +diff -r 00d9ee384412 tools/blktap2/drivers/bswap.h +--- a/tools/blktap2/drivers/bswap.h Tue Dec 20 05:24:17 2011 +0100 ++++ b/tools/blktap2/drivers/bswap.h Tue Dec 20 05:25:18 2011 +0100 +@@ -13,45 +13,10 @@ + #define bswap_16(x) swap16(x) + #define bswap_32(x) swap32(x) + #define bswap_64(x) swap64(x) +-#else ++#elif defined(__linux__) + +-#ifdef HAVE_BYTESWAP_H ++#include <endian.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) \ +-({ \ +- uint64_t __x = (x); \ +- ((uint64_t)( \ +- (uint64_t)(((uint64_t)(__x) & (uint64_t)0x00000000000000ffULL) << 56) | \ +- (uint64_t)(((uint64_t)(__x) & (uint64_t)0x000000000000ff00ULL) << 40) | \ +- (uint64_t)(((uint64_t)(__x) & (uint64_t)0x0000000000ff0000ULL) << 24) | \ +- (uint64_t)(((uint64_t)(__x) & (uint64_t)0x00000000ff000000ULL) << 8) | \ +- (uint64_t)(((uint64_t)(__x) & (uint64_t)0x000000ff00000000ULL) >> 8) | \ +- (uint64_t)(((uint64_t)(__x) & (uint64_t)0x0000ff0000000000ULL) >> 24) | \ +- (uint64_t)(((uint64_t)(__x) & (uint64_t)0x00ff000000000000ULL) >> 40) | \ +- (uint64_t)(((uint64_t)(__x) & (uint64_t)0xff00000000000000ULL) >> 56) )); \ +-}) +- +-#endif /* !HAVE_BYTESWAP_H */ + + static inline uint16_t bswap16(uint16_t x) + { |