Make SPARC checkpointing work

src/arch/sparc/floatregfile.cc:
    Fix serialization for fpreg
src/arch/sparc/intregfile.cc:
    fix serialization for intreg
src/arch/sparc/miscregfile.cc:
    fix serialization from miscreg
src/arch/sparc/pagetable.cc:
    fix serialization for page table
src/arch/sparc/regfile.cc:
    need to serialize nnpc
src/arch/sparc/tlb.cc:
    write serialization code for tlb
src/cpu/base.cc:
    provide a way to find the thread number a context is
    serialize the instruction counter
src/cpu/base.hh:
    provide a way to find the thread number a context is
    and given a thread number find a context pointer
src/cpu/cpuevent.hh:
    provide method to get thread context from a cpu event for serialization
src/dev/sparc/t1000.cc:
src/dev/sparc/t1000.hh:
    nothing to serialize in t1000
src/sim/serialize.cc:
src/sim/serialize.hh:
    Make findObj() work (it hasn't since we did the python conversion stuff)

--HG--
extra : convert_revision : a95bc4e3c3354304171efbe3797556fdb146bea2

1 files changed, 7 insertions, 2 deletions

diff --git a/src/arch/sparc/pagetable.cc b/src/arch/sparc/pagetable.cc
index 22130d41c..e91c0599f 100644
--- a/src/arch/sparc/pagetable.cc
+++ b/src/arch/sparc/pagetable.cc
@@ -41,9 +41,12 @@ TlbEntry::serialize(std::ostream &os)
     SERIALIZE_SCALAR(range.contextId);
     SERIALIZE_SCALAR(range.partitionId);
     SERIALIZE_SCALAR(range.real);
-    uint64_t entry4u = pte();
+    uint64_t entry4u = 0;
+    if (valid)
+        entry4u = pte();
     SERIALIZE_SCALAR(entry4u);
     SERIALIZE_SCALAR(used);
+    SERIALIZE_SCALAR(valid);
 }
 
 
@@ -57,8 +60,10 @@ TlbEntry::unserialize(Checkpoint *cp, const std::string &section)
     UNSERIALIZE_SCALAR(range.real);
     uint64_t entry4u;
     UNSERIALIZE_SCALAR(entry4u);
-    pte.populate(entry4u);
+    if (entry4u)
+        pte.populate(entry4u);
     UNSERIALIZE_SCALAR(used);
+    UNSERIALIZE_SCALAR(valid);
 }