Changeset 55129 in vbox for trunk/src/VBox/VMM/VMMAll/HMAll.cpp

Timestamp:

Apr 8, 2015 11:31:47 AM (10 years ago)

Author:

vboxsync

Message:

VMM/GIM: Allow dynamic enabling of #UD traps and per-VCPU hypercalls.

File:

• trunk/src/VBox/VMM/VMMAll/HMAll.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMAll/HMAll.cpp

@@ -510 +510 @@
  * Notifies HM that paravirtualized hypercalls are now enabled.
  *
- * @param   pVM     Pointer to the VM.
- */
-VMM_INT_DECL(void) HMHypercallsEnable(PVM pVM)
-{
-    pVM->hm.s.fHypercallsEnabled = true;
+ * @param   pVCpu   Pointer to the VMCPU.
+ */
+VMM_INT_DECL(void) HMHypercallsEnable(PVMCPU pVCpu)
+{
+    pVCpu->hm.s.fHypercallsEnabled = true;
 }
 
@@ -521 +521 @@
  * Notifies HM that paravirtualized hypercalls are now disabled.
  *
- * @param   pVM     Pointer to the VM.
- */
-VMM_INT_DECL(void) HMHypercallsDisable(PVM pVM)
-{
-    pVM->hm.s.fHypercallsEnabled = false;
-}
-
+ * @param   pVCpu   Pointer to the VMCPU.
+ */
+VMM_INT_DECL(void) HMHypercallsDisable(PVMCPU pVCpu)
+{
+    pVCpu->hm.s.fHypercallsEnabled = false;
+}
+
+
+/**
+ * Notifies HM that GIM provider wants to trap #UD.
+ *
+ * @param   pVCpu   Pointer to the VMCPU.
+ */
+VMM_INT_DECL(void) HMTrapXcptUDForGIMEnable(PVMCPU pVCpu)
+{
+    pVCpu->hm.s.fGIMTrapXcptUD = true;
+    HMCPU_CF_SET(pVCpu, HM_CHANGED_GUEST_XCPT_INTERCEPTS);
+}
+
+
+/**
+ * Notifies HM that GIM provider no longer wants to trap #UD.
+ *
+ * @param   pVCpu   Pointer to the VMCPU.
+ */
+VMM_INT_DECL(void) HMTrapXcptUDForGIMDisable(PVMCPU pVCpu)
+{
+    pVCpu->hm.s.fGIMTrapXcptUD = false;
+    HMCPU_CF_SET(pVCpu, HM_CHANGED_GUEST_XCPT_INTERCEPTS);
+}
+