x86: add tlb checkpointing

This patch adds checkpointing support to x86 tlb. It upgrades the
cpt_upgrader.py script so that previously created checkpoints can
be updated. It moves the checkpoint version to 6.

1 files changed, 1 insertions, 2 deletions

diff --git a/src/arch/x86/tlb.hh b/src/arch/x86/tlb.hh
index 4f0d58d5c..ea2d50ec2 100644
--- a/src/arch/x86/tlb.hh
+++ b/src/arch/x86/tlb.hh
@@ -95,12 +95,11 @@ namespace X86ISA
         void demapPage(Addr va, uint64_t asn);
 
       protected:
-        int size;
+        uint32_t size;
 
         TlbEntry * tlb;
 
         EntryList freeList;
-        EntryList entryList;
 
         TlbEntryTrie trie;
         uint64_t lruSeq;