From: Dylan Johnson <Dylan.Johnson@ARM.com>
Date: Tue, 2 Aug 2016 09:38:02 +0000 (+0100)
Subject: arm: Add check to fault routing for hypervisor/virtualization
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f9a6f68e0bcb1f7e2a34ad1bbf93515b473b610f;p=gem5.git

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
---

diff --git a/src/arch/arm/faults.cc b/src/arch/arm/faults.cc
index 061e1299a..d195d1a14 100644
--- a/src/arch/arm/faults.cc
+++ b/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)