Changeset 9038 in vbox for trunk

Timestamp:

May 21, 2008 8:54:25 PM (17 years ago)

Author:

vboxsync

Message:

Sync back the debug registers too (fixed gdb/dbx weirdness on solaris).

File:

• trunk/src/VBox/VMM/VMMR0/HWSVMR0.cpp (modified) (4 diffs)

trunk/src/VBox/VMM/VMMR0/HWSVMR0.cpp

@@ -257 +257 @@
     if (!pVM->hwaccm.s.fNestedPaging)
         pVMCB->ctrl.u16InterceptRdCRx = RT_BIT(0) | RT_BIT(3) | RT_BIT(4);
-    else    
+    else
         pVMCB->ctrl.u16InterceptRdCRx = RT_BIT(0);
 
@@ -1037 +1037 @@
 
     /* Note: no reason to sync back the CRx and DRx registers. They can't be changed by the guest. */
-    /* Note: only in the nested paging case can CR3 & CR4 be changed by the guest. */ 
+    /* Note: only in the nested paging case can CR3 & CR4 be changed by the guest. */
     if (pVM->hwaccm.s.fNestedPaging)
     {
@@ -1056 +1056 @@
 
     Log2(("exitCode = %x\n", exitCode));
+
+    /* Sync back the debug registers. */
+    /** @todo Implement debug registers correctly. */
+    pCtx->dr6 = pVMCB->guest.u64DR6;
+    pCtx->dr7 = pVMCB->guest.u64DR7;
 
     /* Check if an injected event was interrupted prematurely. */
@@ -1432 +1437 @@
 
             STAM_COUNTER_INC(&pVM->hwaccm.s.StatFlushTLBCRxChange);
-            
+
             /** @note Force a TLB flush. SVM requires us to do it manually. */
             pVM->hwaccm.s.svm.fForceTLBFlush = true;