1 files changed, 16 insertions, 9 deletions
diff --git a/src/VBox/Runtime/r3/win/time-win.cpp b/src/VBox/Runtime/r3/win/time-win.cpp
index bd4e768a..44dea140 100644
--- a/src/VBox/Runtime/r3/win/time-win.cpp
+++ b/src/VBox/Runtime/r3/win/time-win.cpp
@@ -39,13 +39,17 @@
 #include <iprt/err.h>
 #include "internal/time.h"
 
-#define USE_TICK_COUNT
+/*
+ * Note! The selected time source be the exact same one as we use in kernel land!
+ */
+//#define USE_TICK_COUNT
 //#define USE_PERFORMANCE_COUNTER
-#if 0//defined(RT_ARCH_X86) || defined(RT_ARCH_AMD64)
-# define USE_INTERRUPT_TIME
-#else
 //# define USE_FILE_TIME
-#endif
+//#if defined(RT_ARCH_X86) || defined(RT_ARCH_AMD64)
+# define USE_INTERRUPT_TIME
+//#else
+//# define USE_TICK_COUNT
+//#endif
 
 
 #ifdef USE_INTERRUPT_TIME
@@ -104,6 +108,7 @@ DECLINLINE(uint64_t) rtTimeGetSystemNanoTS(void)
     return u64 * 100;
 
 #elif defined USE_INTERRUPT_TIME
+# if 0 /* ASSUME 0x7ffe0000 is set in stone */
     /*
      * This is exactly what we want, but we have to obtain it by non-official
      * means.
@@ -114,16 +119,18 @@ DECLINLINE(uint64_t) rtTimeGetSystemNanoTS(void)
         /** @todo find official way of getting this or some more clever
          * detection algorithm if necessary. The com debugger class
          * exports this too, windbg knows it too... */
-        s_pUserSharedData = (MY_ KUSER_SHARED_DATA *)(uintptr_t)0x7ffe0000;
+        s_pUserSharedData = (PMY_KUSER_SHARED_DATA)(uintptr_t)0x7ffe0000;
     }
+# endif
+    PMY_KUSER_SHARED_DATA pUserSharedData = (PMY_KUSER_SHARED_DATA)(uintptr_t)0x7ffe0000;
 
     /* use interrupt time */
     LARGE_INTEGER Time;
     do
     {
-        Time.HighPart = s_pUserSharedData->InterruptTime.High1Time;
-        Time.LowPart  = s_pUserSharedData->InterruptTime.LowPart;
-    } while (s_pUserSharedData->InterruptTime.High2Time != Time.HighPart);
+        Time.HighPart = pUserSharedData->InterruptTime.High1Time;
+        Time.LowPart  = pUserSharedData->InterruptTime.LowPart;
+    } while (pUserSharedData->InterruptTime.High2Time != Time.HighPart);
 
     return (uint64_t)Time.QuadPart * 100;