Bug fixes in the TLB

Make our replacement algorithm same as legion (although not same as the spec)
itb should be 64 entries not 48

src/arch/sparc/tlb.cc:
    Bug fixes in the TLB
    Make our replacement algorithm same as legion (although not same as the spec)
src/arch/sparc/tlb.hh:
    Make our replacement algorithm same as legion (although not same as the spec)
src/python/m5/objects/SparcTLB.py:
    itb should be 64 entries too

--HG--
extra : convert_revision : 1b5cb3597091e3cfe293e94f6f2219b1e621c35f

1 files changed, 7 insertions, 3 deletions

diff --git a/src/arch/sparc/tlb.hh b/src/arch/sparc/tlb.hh
index a6e6a8bd3..34e5f5feb 100644
--- a/src/arch/sparc/tlb.hh
+++ b/src/arch/sparc/tlb.hh
@@ -54,10 +54,13 @@ class TLB : public SimObject
 
     int size;
     int usedEntries;
+    int lastReplaced;
 
     uint64_t cacheState;
     bool cacheValid;
 
+    std::list<TlbEntry*> freeList;
+
     enum FaultTypes {
         OtherFault = 0,
         PrivViolation = 0x1,
@@ -93,9 +96,6 @@ class TLB : public SimObject
     /** Given an entry id, read that tlb entries' tag. */
     uint64_t TagRead(int entry);
 
-    /** Give an entry id, read that tlb entries' tte */
-    uint64_t TteRead(int entry);
-
     /** Remove all entries from the TLB */
     void invalidateAll();
 
@@ -128,6 +128,10 @@ class TLB : public SimObject
     // Checkpointing
     virtual void serialize(std::ostream &os);
     virtual void unserialize(Checkpoint *cp, const std::string &section);
+
+    /** Give an entry id, read that tlb entries' tte */
+    uint64_t TteRead(int entry);
+
 };
 
 class ITB : public TLB