From 2898d768271a4a32b16a0ee01f884544bda490bd Mon Sep 17 00:00:00 2001
From: Vincentius Robby <acolyte@umich.edu>
Date: Sat, 4 Aug 2007 14:25:35 -0400
Subject: alpha: Implement a cache for recently used page table entries

--HG--
extra : convert_revision : 1bb80d71fa91e500a68390e5dc17464ce7136fba
---
 src/arch/alpha/tlb.hh | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/arch/alpha/tlb.hh')

diff --git a/src/arch/alpha/tlb.hh b/src/arch/alpha/tlb.hh
index ea5ba5539..20f0037fd 100644
--- a/src/arch/alpha/tlb.hh
+++ b/src/arch/alpha/tlb.hh
@@ -88,6 +88,10 @@ namespace AlphaISA
         // Checkpointing
         virtual void serialize(std::ostream &os);
         virtual void unserialize(Checkpoint *cp, const std::string &section);
+
+        // Most recently used page table entries
+        PTE *PTECache[2];
+        inline void flushCache() { memset(PTECache, 0, 2 * sizeof(PTE*)); }
     };
 
     class ITB : public TLB
-- 
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