arm: Add check to fault routing for hypervisor/virtualization

This patch adds the option for faults to be routed to the hypervisor
using the pre-existing routeToHyp() functions that are present in each
fault type.

Change-Id: I9735512c094457636b9870456a5be5432288e004

src/arch/arm/faults.cc

@@ -439,6 +439,8 @@ ArmFault::invoke(ThreadContext *tc, const StaticInstPtr &inst)
         // Determine target exception level
         if (ArmSystem::haveSecurity(tc) && routeToMonitor(tc))
             toEL = EL3;
+        else if (ArmSystem::haveVirtualization(tc) && routeToHyp(tc))
+            toEL = EL2;
         else
             toEL = opModeToEL(nextMode());
         if (fromEL > toEL)