diff options
Diffstat (limited to 'graphics/dri/files/patch-sis_context.h')
| -rw-r--r-- | graphics/dri/files/patch-sis_context.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/graphics/dri/files/patch-sis_context.h b/graphics/dri/files/patch-sis_context.h new file mode 100644 index 000000000000..1d79d5f32263 --- /dev/null +++ b/graphics/dri/files/patch-sis_context.h @@ -0,0 +1,24 @@ +--- src/mesa/drivers/dri/sis/sis_context.h.orig Tue Apr 11 13:41:11 2006 ++++ src/mesa/drivers/dri/sis/sis_context.h Wed Dec 20 18:32:46 2006 +@@ -401,8 +401,20 @@ + #define MMIO_READ(reg) *(volatile GLint *)(smesa->IOBase + (reg)) + #define MMIO_READf(reg) *(volatile GLfloat *)(smesa->IOBase + (reg)) + +-#if defined(__i386__) || defined(__amd64__) ++#if defined(__alpha__) ++#define MMIO_WMB() __asm __volatile("wmb" : : : "memory") ++#elif defined(__amd64__) || defined(__i386__) + #define MMIO_WMB() __asm __volatile("" : : : "memory") ++#elif defined(__ia64__) ++#define MMIO_WMB() __asm __volatile("mf" : : : "memory") ++#elif defined(__powerpc__) ++#define MMIO_WMB() __asm __volatile("eieio" : : : "memory") ++#elif defined(__sparc64__) ++/* ++ * #StoreStore probably would be sufficient for this driver at the ++ * time of this writing but we use #Sync for safety. ++ */ ++#define MMIO_WMB() __asm __volatile("membar #Sync" : : : "memory") + #else + #error platform needs WMB + #endif |