arch-arm: Distinguish IS TLBI from non-IS

TLBI broadcasting was the default implementation of most of TLBI
instructions. This patch applies the broadcasting behaviour only to the
Inner-Shareable subset, while simpler TLB invalidation instructions only
affect the PE that executes them.

Change-Id: Idb01d0d4f593131f657e8fc9668112de8e4ccdcb
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/9182
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/src/arch/arm/tlb.hh b/src/arch/arm/tlb.hh
index 212a79f79..b0e0d0d7f 100644
--- a/src/arch/arm/tlb.hh
+++ b/src/arch/arm/tlb.hh
@@ -445,6 +445,24 @@ private:
                    LookupLevel lookup_level);
 };
 
+template<typename T>
+TLB *
+getITBPtr(T *tc)
+{
+    auto tlb = static_cast<TLB *>(tc->getITBPtr());
+    assert(tlb);
+    return tlb;
+}
+
+template<typename T>
+TLB *
+getDTBPtr(T *tc)
+{
+    auto tlb = static_cast<TLB *>(tc->getDTBPtr());
+    assert(tlb);
+    return tlb;
+}
+
 } // namespace ArmISA
 
 #endif // __ARCH_ARM_TLB_HH__