VBoxDefs.h

Timestamp:

Feb 6, 2007 5:16:02 AM (18 years ago)

Author:

vboxsync

Message:

ASMReadTSC().

File:

trunk/src/VBox/Frontends/VirtualBox/include/VBoxDefs.h

-              r382
+              r689
 #include <iprt/alloc.h>
+#include <iprt/asm.h>
 #ifdef VBOX_GUI_DEBUG
 …
 public:
     inline static uint64_t ticks() {
+#if defined (Q_CC_MSVC)
+        union {
+            uint64_t ll;
+            struct {
+                uint32_t low, high;
+            } l;
+        } val;
+        __asm rdtsc
+        __asm mov val.l.low, eax
+        __asm mov val.l.high, edx
+         return val.ll;
+#elif defined (Q_CC_GNU)
+        uint64_t val;
+        asm volatile ("rdtsc" : "=A" (val));
+        return val;
+#else
+        return 0;
+#endif
+        return ASMReadTSC();
+    }
     inline static uint64_t msecs( uint64_t tcks ) {

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