Changeset 49774 in vbox for trunk/src/VBox/VMM/VMMR0/HMVMXR0.cpp

Timestamp:

Dec 4, 2013 3:07:09 PM (11 years ago)

Author:

vboxsync

Message:

VMM/HMVMXR0: Handle #DB from ICEBP instruction which is undocumented by Intel. This causes the undocumented "privileged software exception" interruption-type exception exit.

File:

• trunk/src/VBox/VMM/VMMR0/HMVMXR0.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMR0/HMVMXR0.cpp

@@ -9271 +9271 @@
     switch (uIntType)
     {
-        case VMX_EXIT_INTERRUPTION_INFO_TYPE_SW_XCPT:   /* Software exception. (#BP or #OF) */
+        case VMX_EXIT_INTERRUPTION_INFO_TYPE_PRIV_SW_XCPT:  /* Privileged software exception. (#DB from ICEBP) */
+        case VMX_EXIT_INTERRUPTION_INFO_TYPE_SW_XCPT:       /* Software exception. (#BP or #OF) */
             Assert(uVector == X86_XCPT_DB || uVector == X86_XCPT_BP || uVector == X86_XCPT_OF);
             /* no break */