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| author | Arnon Gilboa <agilboa@redhat.com> | 2011-02-02 11:21:11 +0200 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2011-02-11 14:46:58 +0100 |
| commit | 7134a4591c65b5c72550341b069e1eed97030048 (patch) | |
| tree | d3c20500fb4a80697bbda2afd319fccfaec558f8 | |
| parent | 432519f7126c44cc56ae2e6257642077360c2865 (diff) | |
define spice_mb MemoryBarrier for WIN64
__asm is not supported on _WIN64, so use macro instead
required for Windows x64 guest display driver (qxldd.dll)
| -rw-r--r-- | spice/barrier.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/spice/barrier.h b/spice/barrier.h index 8c81c86..710da09 100644 --- a/spice/barrier.h +++ b/spice/barrier.h @@ -33,14 +33,23 @@ #define _H_SPICE_BARRIER #ifdef __GNUC__ + #ifdef __i386__ #define spice_mb() __asm__ __volatile__ ("lock; addl $0,0(%%esp)": : :"memory") #else //mfence #define spice_mb() __asm__ __volatile__ ("lock; addl $0,0(%%rsp)": : :"memory") #endif + +#else + +#ifdef _WIN64 +//__asm not supported on _WIN64, so use macro instead. +#define spice_mb MemoryBarrier #else #define spice_mb() __asm {lock add [esp], 0} #endif +#endif + #endif /* _H_SPICE_BARRIER */ |