Changeset 15186 in vbox for trunk/src/VBox/VMM/VMMR0

Timestamp:

Dec 9, 2008 3:50:52 PM (16 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

40597

Message:

Fixed fpu and debug state syncing.

File:

• trunk/src/VBox/VMM/VMMR0/CPUMR0.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMR0/CPUMR0.cpp

@@ -261 +261 @@
     if (CPUMIsGuestInLongModeEx(pCtx))
     {
-        HWACCMR0SaveFPUState(pVM, pVCpu, pCtx);
+        if (!(pVCpu->cpum.s.fUseFlags & CPUM_SYNC_FPU_STATE))
+            HWACCMR0SaveFPUState(pVM, pVCpu, pCtx);
+
         CPUMR0RestoreHostFPUState(&pVCpu->cpum.s);
     }
@@ -322 +324 @@
     if (CPUMIsGuestInLongModeEx(pCtx))
     {
-        uint64_t dr6 = pCtx->dr[6];
-
-        HWACCMR0SaveDebugState(pVM, pVCpu, pCtx);
-        if (!fDR6) /* dr6 was already up-to-date */
-            pCtx->dr[6] = dr6;
+        if (!(pVCpu->cpum.s.fUseFlags & CPUM_SYNC_DEBUG_STATE))
+        {
+            uint64_t dr6 = pCtx->dr[6];
+
+            HWACCMR0SaveDebugState(pVM, pVCpu, pCtx);
+            if (!fDR6) /* dr6 was already up-to-date */
+                pCtx->dr[6] = dr6;
+        }
     }
     else