Changeset 27444 in vbox

Timestamp:

Mar 17, 2010 12:55:54 PM (15 years ago)

Author:

vboxsync

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

58923

Message:

Resync DR6 if the debug state is active.

File:

• trunk/src/VBox/VMM/VMMR0/HWVMXR0.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMR0/HWVMXR0.cpp

@@ -2998 +2998 @@
                 if (rc == VINF_EM_RAW_GUEST_TRAP)
                 {
-                    /** @todo this isn't working, but we'll never get here normally. */
-
                     /* Update DR6 here. */
                     pCtx->dr[6]  = uDR6;
 
+                    /* Resync DR6 if the debug state is active. */
+                    if (CPUMIsGuestDebugStateActive(pVCpu))
+                        ASMSetDR6(pCtx->dr[6]);
+                        
                     /* X86_DR7_GD will be cleared if drx accesses should be trapped inside the guest. */
                     pCtx->dr[7] &= ~X86_DR7_GD;