Merge ktlim@zizzer:/bk/newmem

into  zamp.eecs.umich.edu:/z/ktlim2/clean/newmem-merge

configs/test/test.py:
    Hand merge.

--HG--
extra : convert_revision : e3fce9cf50a65a9400cd3ec887b13e4765274ec2

src/cpu/o3/commit_impl.hh

@@ -996,6 +996,12 @@ DefaultCommit<Impl>::commitHead(DynInstPtr &head_inst, unsigned inst_num)
     // Check if the instruction caused a fault.  If so, trap.
     Fault inst_fault = head_inst->getFault();
 
+    // DTB will sometimes need the machine instruction for when
+    // faults happen.  So we will set it here, prior to the DTB
+    // possibly needing it for its fault.
+    thread[tid]->setInst(
+        static_cast<TheISA::MachInst>(head_inst->staticInst->machInst));
+
     if (inst_fault != NoFault) {
         head_inst->setCompleted();
         DPRINTF(Commit, "Inst [sn:%lli] PC %#x has a fault\n",
@@ -1018,12 +1024,6 @@ DefaultCommit<Impl>::commitHead(DynInstPtr &head_inst, unsigned inst_num)
         // execution doesn't generate extra squashes.
         thread[tid]->inSyscall = true;
 
-        // DTB will sometimes need the machine instruction for when
-        // faults happen.  So we will set it here, prior to the DTB
-        // possibly needing it for its fault.
-        thread[tid]->setInst(
-            static_cast<TheISA::MachInst>(head_inst->staticInst->machInst));
-
         // Execute the trap.  Although it's slightly unrealistic in
         // terms of timing (as it doesn't wait for the full timing of
         // the trap event to complete before updating state), it's

src/cpu/o3/cpu.cc

@@ -765,7 +765,8 @@ template <class Impl>
 void
 FullO3CPU<Impl>::serialize(std::ostream &os)
 {
-    SERIALIZE_ENUM(_status);
+    SimObject::State so_state = SimObject::getState();
+    SERIALIZE_ENUM(so_state);
     BaseCPU::serialize(os);
     nameOut(os, csprintf("%s.tickEvent", name()));
     tickEvent.serialize(os);
@@ -786,7 +787,8 @@ template <class Impl>
 void
 FullO3CPU<Impl>::unserialize(Checkpoint *cp, const std::string &section)
 {
-    UNSERIALIZE_ENUM(_status);
+    SimObject::State so_state;
+    UNSERIALIZE_ENUM(so_state);
     BaseCPU::unserialize(cp, section);
     tickEvent.unserialize(cp, csprintf("%s.tickEvent", section));
 
@@ -1063,7 +1065,8 @@ template <class Impl>
 void
 FullO3CPU<Impl>::setArchFloatRegSingle(int reg_idx, float val, unsigned tid)
 {
-    PhysRegIndex phys_reg = commitRenameMap[tid].lookup(reg_idx);
+    int idx = reg_idx + TheISA::FP_Base_DepTag;
+    PhysRegIndex phys_reg = commitRenameMap[tid].lookup(idx);
 
     regFile.setFloatReg(phys_reg, val);
 }
@@ -1072,7 +1075,8 @@ template <class Impl>
 void
 FullO3CPU<Impl>::setArchFloatRegDouble(int reg_idx, double val, unsigned tid)
 {
-    PhysRegIndex phys_reg = commitRenameMap[tid].lookup(reg_idx);
+    int idx = reg_idx + TheISA::FP_Base_DepTag;
+    PhysRegIndex phys_reg = commitRenameMap[tid].lookup(idx);
 
     regFile.setFloatReg(phys_reg, val, 64);
 }
@@ -1081,7 +1085,8 @@ template <class Impl>
 void
 FullO3CPU<Impl>::setArchFloatRegInt(int reg_idx, uint64_t val, unsigned tid)
 {
-    PhysRegIndex phys_reg = commitRenameMap[tid].lookup(reg_idx);
+    int idx = reg_idx + TheISA::FP_Base_DepTag;
+    PhysRegIndex phys_reg = commitRenameMap[tid].lookup(idx);
 
     regFile.setFloatRegBits(phys_reg, val);
 }

src/cpu/simple/atomic.cc

@@ -158,18 +158,29 @@ AtomicSimpleCPU::~AtomicSimpleCPU()
 void
 AtomicSimpleCPU::serialize(ostream &os)
 {
-    SERIALIZE_ENUM(_status);
-    BaseSimpleCPU::serialize(os);
+    SimObject::State so_state = SimObject::getState();
+    SERIALIZE_ENUM(so_state);
     nameOut(os, csprintf("%s.tickEvent", name()));
     tickEvent.serialize(os);
+    BaseSimpleCPU::serialize(os);
 }
 
 void
 AtomicSimpleCPU::unserialize(Checkpoint *cp, const string &section)
 {
-    UNSERIALIZE_ENUM(_status);
-    BaseSimpleCPU::unserialize(cp, section);
+    SimObject::State so_state;
+    UNSERIALIZE_ENUM(so_state);
     tickEvent.unserialize(cp, csprintf("%s.tickEvent", section));
+    BaseSimpleCPU::unserialize(cp, section);
+}
+
+void
+AtomicSimpleCPU::resume()
+{
+    if (thread->status() == ThreadContext::Active) {
+        if (!tickEvent.scheduled())
+            tickEvent.schedule(curTick);
+    }
 }
 
 void

src/cpu/simple/atomic.hh

@@ -126,6 +126,7 @@ class AtomicSimpleCPU : public BaseSimpleCPU
 
     virtual void serialize(std::ostream &os);
     virtual void unserialize(Checkpoint *cp, const std::string &section);
+    virtual void resume();
 
     void switchOut();
     void takeOverFrom(BaseCPU *oldCPU);

src/cpu/simple/base.cc

@@ -178,8 +178,8 @@ void
 BaseSimpleCPU::serialize(ostream &os)
 {
     BaseCPU::serialize(os);
-    SERIALIZE_SCALAR(inst);
-    nameOut(os, csprintf("%s.xc", name()));
+//    SERIALIZE_SCALAR(inst);
+    nameOut(os, csprintf("%s.xc.0", name()));
     thread->serialize(os);
 }
 
@@ -187,8 +187,8 @@ void
 BaseSimpleCPU::unserialize(Checkpoint *cp, const string &section)
 {
     BaseCPU::unserialize(cp, section);
-    UNSERIALIZE_SCALAR(inst);
-    thread->unserialize(cp, csprintf("%s.xc", section));
+//    UNSERIALIZE_SCALAR(inst);
+    thread->unserialize(cp, csprintf("%s.xc.0", section));
 }
 
 void

src/cpu/simple/timing.cc

@@ -102,14 +102,16 @@ TimingSimpleCPU::~TimingSimpleCPU()
 void
 TimingSimpleCPU::serialize(ostream &os)
 {
-    SERIALIZE_ENUM(_status);
+    SimObject::State so_state = SimObject::getState();
+    SERIALIZE_ENUM(so_state);
     BaseSimpleCPU::serialize(os);
 }
 
 void
 TimingSimpleCPU::unserialize(Checkpoint *cp, const string &section)
 {
-    UNSERIALIZE_ENUM(_status);
+    SimObject::State so_state;
+    UNSERIALIZE_ENUM(so_state);
     BaseSimpleCPU::unserialize(cp, section);
 }
 
@@ -134,7 +136,9 @@ TimingSimpleCPU::resume()
     if (_status != SwitchedOut && _status != Idle) {
         // Delete the old event if it existed.
         if (fetchEvent) {
-            assert(!fetchEvent->scheduled());
+            if (fetchEvent->scheduled())
+                fetchEvent->deschedule();
+
             delete fetchEvent;
         }
 

src/cpu/simple_thread.cc

@@ -196,6 +196,7 @@ SimpleThread::copyState(ThreadContext *oldContext)
 #if !FULL_SYSTEM
     funcExeInst = oldContext->readFuncExeInst();
 #endif
+    inst = oldContext->getInst();
 }
 
 void