Changeset 1382 in vbox for trunk/src/VBox/VMM/VMMGC/TRPMGC.cpp

Timestamp:

Mar 9, 2007 5:26:43 PM (18 years ago)

Author:

vboxsync

Message:

Added comments about observations.

File:

• trunk/src/VBox/VMM/VMMGC/TRPMGC.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMGC/TRPMGC.cpp

@@ -117 +117 @@
 
 #if 0
+    /** @note this causes problems in Windows XP as instructions following the update can be dangerous (str eax has been seen) */
+    /** @note not going back to ring 3 could make the code scanner miss them. */
     /* Check if we can handle the write here. */    
     if (     iGate != 3                                         /* Gate 3 is handled differently; could do it here as well, but let ring 3 handle this case for now. */
@@ -139 +141 @@
 #endif
 
-    Log(("trpmgcGuestIDTWriteHandler: write to gate %x offset %x\n", iGate, (RTGCUINTPTR)pvFault - (RTGCUINTPTR)GCPtrIDT));
+    Log(("trpmgcGuestIDTWriteHandler: eip=%VGv write to gate %x offset %x\n", pRegFrame->eip, iGate, (RTGCUINTPTR)pvFault - (RTGCUINTPTR)GCPtrIDT));
 
     /** @todo Check which IDT entry and keep the update cost low in TRPMR3SyncIDT() and CSAMCheckGates(). */