Changeset 71640 in vbox for trunk/src

Timestamp:

Apr 4, 2018 6:30:54 AM (7 years ago)

Author:

vboxsync

Message:

VMM: Nested hw.virt: Abstract SVM V_INTR_MASKING so we can refer to the original VMCB value rather than a potentially modified
value while executing the nested-guest in hardware-assisted SVM.

File:

• trunk/src/VBox/VMM/VMMAll/HMSVMAll.cpp (modified) (1 diff)

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

@@ -543 +543 @@
 
 /**
+ * Checks if the guest VMCB has virtual-interrupts masking enabled.
+ *
+ * @returns true if virtual-interrupts are masked, @c false otherwise.
+ * @param   pVCpu   The cross context virtual CPU structure of the calling EMT.
+ * @param   pCtx    Pointer to the context.
+ */
+VMM_INT_DECL(bool) HMIsGuestSvmVirtIntrMasking(PVMCPU pVCpu, PCCPUMCTX pCtx)
+{
+    Assert(pCtx->hwvirt.svm.fHMCachedVmcb); NOREF(pCtx);
+    PCSVMNESTEDVMCBCACHE pVmcbNstGstCache = &pVCpu->hm.s.svm.NstGstVmcbCache;
+    return pVmcbNstGstCache->fVIntrMasking;
+}
+
+
+/**
  * Checks whether the SVM nested-guest is in a state to receive physical (APIC)
  * interrupts.