inorder: cleanup virtual functions

remove the annotation 'virtual' from  function declaration that isnt being derived from

16 files changed, 131 insertions, 140 deletions

diff --git a/src/cpu/inorder/cpu.hh b/src/cpu/inorder/cpu.hh
index 9be3c756e..4e7e64a40 100644
--- a/src/cpu/inorder/cpu.hh
+++ b/src/cpu/inorder/cpu.hh
@@ -222,10 +222,10 @@ class InOrderCPU : public BaseCPU
             vpe = 0;            
         }
 
-        /** Processes a resource event. */
-        virtual void process();
+        /** Processes a CPU event. */
+        void process();
 
-        /** Returns the description of the resource event. */
+        /** Returns the description of the CPU event. */
         const char *description();
 
         /** Schedule Event */
diff --git a/src/cpu/inorder/pipeline_stage.hh b/src/cpu/inorder/pipeline_stage.hh
index 6c9cf0d99..c971e400e 100644
--- a/src/cpu/inorder/pipeline_stage.hh
+++ b/src/cpu/inorder/pipeline_stage.hh
@@ -106,9 +106,7 @@ class PipelineStage
     void regStats();
 
     /** Sets CPU pointer. */
-    virtual void setCPU(InOrderCPU *cpu_ptr);
-
-    virtual void scheduleStageStart(int delay, ThreadID tid) { }
+    void setCPU(InOrderCPU *cpu_ptr);
 
     /** Sets the main backwards communication time buffer pointer. */
     void setTimeBuffer(TimeBuffer<TimeStruct> *tb_ptr);
@@ -145,7 +143,7 @@ class PipelineStage
     /** Ticks stage, processing all input signals and executing as many
      *  instructions as possible.
      */
-    virtual void tick();
+    void tick();
 
     /** Set a resource stall in the pipeline-stage */
     void setResStall(ResReqPtr res_req, ThreadID tid);
@@ -154,7 +152,7 @@ class PipelineStage
     void unsetResStall(ResReqPtr res_req, ThreadID tid);
 
     /** Remove all stall signals for a particular thread; */
-    virtual void removeStalls(ThreadID tid);
+    void removeStalls(ThreadID tid);
 
     /** Is there room in the stage buffer? */
     int stageBufferAvail();
@@ -168,7 +166,7 @@ class PipelineStage
      * change (ie switching from from blocking to unblocking).
      * @param tid Thread id to stage instructions from.
      */
-    virtual void processThread(bool &status_change, ThreadID tid);
+    void processThread(bool &status_change, ThreadID tid);
 
     /** Processes instructions from fetch and passes them on to rename.
      * Decoding of instructions actually happens when they are created in
@@ -178,13 +176,13 @@ class PipelineStage
     virtual void processInsts(ThreadID tid);
 
     /** Process all resources on an instruction's resource schedule */
-    virtual bool processInstSchedule(DynInstPtr inst, int &reqs_processed);
+    bool processInstSchedule(DynInstPtr inst, int &reqs_processed);
 
     /** Is there room in the next stage buffer for this instruction? */
-    virtual bool canSendInstToStage(unsigned stage_num);
+    bool canSendInstToStage(unsigned stage_num);
 
     /** Send an instruction to the next stage buffer */
-    virtual bool sendInstToNextStage(DynInstPtr inst);
+    bool sendInstToNextStage(DynInstPtr inst);
 
     /** Inserts a thread's instructions into the skid buffer, to be staged
      * once stage unblocks.
@@ -198,7 +196,7 @@ class PipelineStage
     bool skidsEmpty();
 
     /** Updates overall stage status based on all of the threads' statuses. */
-    virtual void updateStatus();
+    void updateStatus();
 
     /** Separates instructions from fetch into individual lists of instructions
      * sorted by thread.
@@ -206,13 +204,13 @@ class PipelineStage
     void sortInsts();
 
     /** Reads all stall signals from the backwards communication timebuffer. */
-    virtual void readStallSignals(ThreadID tid);
+    void readStallSignals(ThreadID tid);
 
     /** Checks all input signals and updates stage's status appropriately. */
-    virtual bool checkSignalsAndUpdate(ThreadID tid);
+    bool checkSignalsAndUpdate(ThreadID tid);
 
     /** Checks all stall signals, and returns if any are true. */
-    virtual bool checkStall(ThreadID tid) const;
+    bool checkStall(ThreadID tid) const;
 
     /** Returns if there any instructions from the previous stage
      * on this cycle.
@@ -223,7 +221,7 @@ class PipelineStage
      * become blocked.
      * @return Returns true if there is a status change.
      */
-    virtual bool block(ThreadID tid);
+    bool block(ThreadID tid);
 
     void blockDueToBuffer(ThreadID tid);
 
@@ -231,21 +229,21 @@ class PipelineStage
      * signals back that stage has unblocked.
      * @return Returns true if there is a status change.
      */
-    virtual bool unblock(ThreadID tid);
+    bool unblock(ThreadID tid);
 
 
   public:
-    virtual void activateThread(ThreadID tid);
+    void activateThread(ThreadID tid);
     
     /** Squashes if there is a PC-relative branch that was predicted
      * incorrectly. Sends squash information back to fetch.
      */
-    virtual void squashDueToBranch(DynInstPtr &inst, ThreadID tid);
+    void squashDueToBranch(DynInstPtr &inst, ThreadID tid);
 
     virtual void squashDueToMemStall(InstSeqNum seq_num, ThreadID tid);
 
     /** Squash instructions from stage buffer  */
-    virtual void squashPrevStageInsts(InstSeqNum squash_seq_num, ThreadID tid);
+    void squashPrevStageInsts(InstSeqNum squash_seq_num, ThreadID tid);
 
     /** Squashes due to commit signalling a squash. Changes status to
      *  squashing and clears block/unblock signals as needed.
diff --git a/src/cpu/inorder/pipeline_traits.hh b/src/cpu/inorder/pipeline_traits.hh
index f039b9e5d..0f996023b 100644
--- a/src/cpu/inorder/pipeline_traits.hh
+++ b/src/cpu/inorder/pipeline_traits.hh
@@ -95,8 +95,6 @@ namespace ThePipeline {
             idx(_idx), priority(_priority)
         { }
 
-        virtual ~ScheduleEntry(){}
-
         // Stage number to perform this service.
         int stageNum;
 
diff --git a/src/cpu/inorder/resource.hh b/src/cpu/inorder/resource.hh
index b423b1625..3e42593c2 100644
--- a/src/cpu/inorder/resource.hh
+++ b/src/cpu/inorder/resource.hh
@@ -132,7 +132,7 @@ class Resource {
                                         unsigned cmd);
 
     /** Schedule Execution of This Resource For A Given Slot*/
-    virtual void scheduleExecution(int slot_idx);
+    void scheduleExecution(int slot_idx);
 
     /** Execute the function of this resource. The Default is action
      *  is to do nothing. More specific models will derive from this
@@ -195,7 +195,7 @@ class Resource {
     virtual ResReqPtr findRequest(DynInstPtr inst);
 
     /** */
-    virtual void rejectRequest(DynInstPtr inst);
+    void rejectRequest(DynInstPtr inst);
 
     /** Request a Resource again. Some resources have to special process this
      *  in subsequent accesses.
diff --git a/src/cpu/inorder/resource_pool.hh b/src/cpu/inorder/resource_pool.hh
index 60d35ab61..e8061d3ff 100644
--- a/src/cpu/inorder/resource_pool.hh
+++ b/src/cpu/inorder/resource_pool.hh
@@ -108,7 +108,7 @@ class ResourcePool {
         }
 
         /** Processes a resource event. */
-        virtual void process();
+        void process();
 
         /** Returns the description of the resource event. */
         const char *description();
diff --git a/src/cpu/inorder/resources/agen_unit.hh b/src/cpu/inorder/resources/agen_unit.hh
index fbfd2f446..7c9c5fd89 100644
--- a/src/cpu/inorder/resources/agen_unit.hh
+++ b/src/cpu/inorder/resources/agen_unit.hh
@@ -49,7 +49,6 @@ class AGENUnit : public Resource {
   public:
     AGENUnit(std::string res_name, int res_id, int res_width,
              int res_latency, InOrderCPU *_cpu, ThePipeline::Params *params);
-    virtual ~AGENUnit() {}
 
     enum Command {
         GenerateAddr
diff --git a/src/cpu/inorder/resources/branch_predictor.hh b/src/cpu/inorder/resources/branch_predictor.hh
index 7d0b3348a..00915fd0d 100644
--- a/src/cpu/inorder/resources/branch_predictor.hh
+++ b/src/cpu/inorder/resources/branch_predictor.hh
@@ -56,14 +56,14 @@ class BranchPredictor : public Resource {
     BranchPredictor(std::string res_name, int res_id, int res_width,
               int res_latency, InOrderCPU *_cpu, ThePipeline::Params *params);
 
-    virtual void regStats();
+    void regStats();
 
-    virtual void execute(int slot_num);
+    void execute(int slot_num);
 
-    virtual void squash(DynInstPtr inst, int stage_num,
+    void squash(DynInstPtr inst, int stage_num,
                         InstSeqNum squash_seq_num, ThreadID tid);
 
-    virtual void instGraduated(InstSeqNum seq_num, ThreadID tid);
+    void instGraduated(InstSeqNum seq_num, ThreadID tid);
 
   protected:
     /** List of instructions this resource is currently
diff --git a/src/cpu/inorder/resources/cache_unit.hh b/src/cpu/inorder/resources/cache_unit.hh
index 7e3052bd7..177f81559 100644
--- a/src/cpu/inorder/resources/cache_unit.hh
+++ b/src/cpu/inorder/resources/cache_unit.hh
@@ -101,30 +101,30 @@ class CacheUnit : public Resource
 
       protected:
         /** Atomic version of receive.  Panics. */
-        virtual Tick recvAtomic(PacketPtr pkt);
+        Tick recvAtomic(PacketPtr pkt);
 
         /** Functional version of receive.  Panics. */
-        virtual void recvFunctional(PacketPtr pkt);
+        void recvFunctional(PacketPtr pkt);
 
         /** Receives status change.  Other than range changing, panics. */
-        virtual void recvStatusChange(Status status);
+        void recvStatusChange(Status status);
 
         /** Returns the address ranges of this device. */
-        virtual void getDeviceAddressRanges(AddrRangeList &resp,
+        void getDeviceAddressRanges(AddrRangeList &resp,
                                             AddrRangeList &snoop)
         { resp.clear(); snoop.clear(); }
 
         /** Timing version of receive. Handles setting fetch to the
          * proper status to start fetching. */
-        virtual bool recvTiming(PacketPtr pkt);
+        bool recvTiming(PacketPtr pkt);
 
         /** Handles doing a retry of a failed fetch. */
-        virtual void recvRetry();
+        void recvRetry();
     };
 
     void init();
 
-    virtual ResourceRequest* getRequest(DynInstPtr _inst, int stage_num,
+    ResourceRequest* getRequest(DynInstPtr _inst, int stage_num,
                                         int res_idx, int slot_num,
                                         unsigned cmd);
 
@@ -238,7 +238,7 @@ class CacheUnitEvent : public ResourceEvent {
     virtual ~CacheUnitEvent() {}
 
     /** Processes a resource event. */
-    virtual void process();
+    void process();
 };
 
 class CacheRequest : public ResourceRequest
diff --git a/src/cpu/inorder/resources/decode_unit.hh b/src/cpu/inorder/resources/decode_unit.hh
index 1a700c211..1c4dc0523 100644
--- a/src/cpu/inorder/resources/decode_unit.hh
+++ b/src/cpu/inorder/resources/decode_unit.hh
@@ -49,13 +49,12 @@ class DecodeUnit : public Resource {
   public:
     DecodeUnit(std::string res_name, int res_id, int res_width,
               int res_latency, InOrderCPU *_cpu, ThePipeline::Params *params);
-    virtual ~DecodeUnit() {}
 
     enum Command {
         DecodeInst
     };
 
-    virtual void execute(int slot_num);
+    void execute(int slot_num);
 
     void squash(DynInstPtr inst, int stage_num, InstSeqNum squash_seq_num,
                 ThreadID tid);
diff --git a/src/cpu/inorder/resources/execution_unit.hh b/src/cpu/inorder/resources/execution_unit.hh
index e852e3ed0..8be339f4a 100644
--- a/src/cpu/inorder/resources/execution_unit.hh
+++ b/src/cpu/inorder/resources/execution_unit.hh
@@ -54,13 +54,13 @@ class ExecutionUnit : public Resource {
               int res_latency, InOrderCPU *_cpu, ThePipeline::Params *params);
 
   public:
-    virtual void regStats();
+    void regStats();
 
     /** Execute the function of this resource. The Default is action
      *  is to do nothing. More specific models will derive from this
      *  class and define their own execute function.
      */
-    virtual void execute(int slot_num);
+    void execute(int slot_num);
 
   protected:
     /////////////////////////////////////////////////////////////////
diff --git a/src/cpu/inorder/resources/fetch_seq_unit.hh b/src/cpu/inorder/resources/fetch_seq_unit.hh
index 289e150aa..aab462224 100644
--- a/src/cpu/inorder/resources/fetch_seq_unit.hh
+++ b/src/cpu/inorder/resources/fetch_seq_unit.hh
@@ -54,13 +54,13 @@ class FetchSeqUnit : public Resource {
   public:
     FetchSeqUnit(std::string res_name, int res_id, int res_width,
               int res_latency, InOrderCPU *_cpu, ThePipeline::Params *params);
-    virtual ~FetchSeqUnit();
+    ~FetchSeqUnit();
     
-    virtual void init();
-    virtual void activateThread(ThreadID tid);
-    virtual void deactivateThread(ThreadID tid);
-    virtual void suspendThread(ThreadID tid);
-    virtual void execute(int slot_num);
+    void init();
+    void activateThread(ThreadID tid);
+    void deactivateThread(ThreadID tid);
+    void suspendThread(ThreadID tid);
+    void execute(int slot_num);
     void updateAfterContextSwitch(DynInstPtr inst, ThreadID tid);
     
 
@@ -68,7 +68,7 @@ class FetchSeqUnit : public Resource {
      *  looks in the global communication buffer to get squash
      *  info
      */
-    virtual void squash(DynInstPtr inst, int squash_stage,
+    void squash(DynInstPtr inst, int squash_stage,
                         InstSeqNum squash_seq_num, ThreadID tid);
 
 
@@ -110,10 +110,10 @@ class FetchSeqUnit : public Resource {
       public:
         /** Constructs a resource event. */
         FetchSeqEvent();
-        virtual ~FetchSeqEvent() {}
+        ~FetchSeqEvent() {}
 
         /** Processes a resource event. */
-        virtual void process();
+        void process();
     };
 
 };
diff --git a/src/cpu/inorder/resources/graduation_unit.hh b/src/cpu/inorder/resources/graduation_unit.hh
index f53b6797f..aae41993f 100644
--- a/src/cpu/inorder/resources/graduation_unit.hh
+++ b/src/cpu/inorder/resources/graduation_unit.hh
@@ -53,9 +53,8 @@ class GraduationUnit : public Resource {
     GraduationUnit(std::string res_name, int res_id, int res_width,
                    int res_latency, InOrderCPU *_cpu,
                    ThePipeline::Params *params);
-    virtual ~GraduationUnit() {}
 
-    virtual void execute(int slot_num);
+    void execute(int slot_num);
 
   protected:
     Tick lastCycleGrad;
diff --git a/src/cpu/inorder/resources/inst_buffer.hh b/src/cpu/inorder/resources/inst_buffer.hh
index b655e132f..fcbdc20df 100644
--- a/src/cpu/inorder/resources/inst_buffer.hh
+++ b/src/cpu/inorder/resources/inst_buffer.hh
@@ -57,21 +57,20 @@ class InstBuffer : public Resource {
   public:
     InstBuffer(std::string res_name, int res_id, int res_width,
                int res_latency, InOrderCPU *_cpu, ThePipeline::Params *params);
-    virtual ~InstBuffer() {}
 
-    virtual void regStats();
+    void regStats();
 
-    virtual void execute(int slot_num);
+    void execute(int slot_num);
 
-    virtual void insert(DynInstPtr inst);
+    void insert(DynInstPtr inst);
 
-    virtual void remove(DynInstPtr inst);
+    void remove(DynInstPtr inst);
 
-    virtual void pop(ThreadID tid);
+    void pop(ThreadID tid);
 
-    virtual DynInstPtr top(ThreadID tid);
+    DynInstPtr top(ThreadID tid);
 
-    virtual void squash(DynInstPtr inst, int stage_num,
+    void squash(DynInstPtr inst, int stage_num,
                         InstSeqNum squash_seq_num, ThreadID tid);
   protected:
     /** List of instructions this resource is currently
diff --git a/src/cpu/inorder/resources/mult_div_unit.hh b/src/cpu/inorder/resources/mult_div_unit.hh
index 555367504..d243eebea 100644
--- a/src/cpu/inorder/resources/mult_div_unit.hh
+++ b/src/cpu/inorder/resources/mult_div_unit.hh
@@ -63,24 +63,24 @@ class MultDivUnit : public Resource {
     /** Override default Resource getSlot(). Will only getSlot if
      *  valid mult/div sequence is being maintained
      */
-    virtual int getSlot(DynInstPtr inst);
+    int getSlot(DynInstPtr inst);
 
-    virtual int findSlot(DynInstPtr inst);
+    int findSlot(DynInstPtr inst);
 
-    virtual void freeSlot(int slot_idx);
+    void freeSlot(int slot_idx);
     
-    virtual void init();
+    void init();
     
     /** Get Operand Size For A Division Operation */
     int getDivOpSize(DynInstPtr inst);
 
     /** Override default Resource execute */
-    virtual void execute(int slot_num);
+    void execute(int slot_num);
 
     void exeMulDiv(int slot_num);    
     
     /** Register extra resource stats */
-    virtual void regStats();
+    void regStats();
 
     void requestAgain(DynInstPtr inst, bool &try_request);
 
@@ -130,10 +130,10 @@ class MDUEvent : public ResourceEvent
 {
   public:
     MDUEvent();
-    virtual ~MDUEvent() { }
+    ~MDUEvent() { }
     
 
-    virtual void process();    
+    void process();
 };
 
 
diff --git a/src/cpu/inorder/resources/use_def.hh b/src/cpu/inorder/resources/use_def.hh
index adfdd6ed3..d2cc55315 100644
--- a/src/cpu/inorder/resources/use_def.hh
+++ b/src/cpu/inorder/resources/use_def.hh
@@ -55,17 +55,16 @@ class UseDefUnit : public Resource {
   public:
     UseDefUnit(std::string res_name, int res_id, int res_width,
                int res_latency, InOrderCPU *_cpu, ThePipeline::Params *params);
-    virtual ~UseDefUnit() {}
 
-    virtual ResourceRequest* getRequest(DynInstPtr _inst, int stage_num,
+    ResourceRequest* getRequest(DynInstPtr _inst, int stage_num,
                                         int res_idx, int slot_num,
                                         unsigned cmd);
 
-    virtual ResReqPtr findRequest(DynInstPtr inst);
+    ResReqPtr findRequest(DynInstPtr inst);
 
-    virtual void execute(int slot_num);
+    void execute(int slot_num);
 
-    virtual void squash(DynInstPtr inst, int stage_num,
+    void squash(DynInstPtr inst, int stage_num,
                         InstSeqNum squash_seq_num, ThreadID tid);
 
     void updateAfterContextSwitch(DynInstPtr inst, ThreadID tid);    
diff --git a/src/cpu/inorder/thread_context.hh b/src/cpu/inorder/thread_context.hh
index 99d9f5598..3ed2e7f50 100644
--- a/src/cpu/inorder/thread_context.hh
+++ b/src/cpu/inorder/thread_context.hh
@@ -75,193 +75,193 @@ class InOrderThreadContext : public ThreadContext
     System *getSystemPtr() { return cpu->system; }
 
     /** Returns a pointer to this CPU. */
-    virtual BaseCPU *getCpuPtr() { return cpu; }
+    BaseCPU *getCpuPtr() { return cpu; }
 
     /** Returns a pointer to this CPU. */
-    virtual std::string getCpuName() { return cpu->name(); }
+    std::string getCpuName() { return cpu->name(); }
 
     /** Reads this CPU's ID. */
-    virtual int cpuId() { return cpu->cpuId(); }
+    int cpuId() { return cpu->cpuId(); }
 
-    virtual int contextId() { return thread->contextId(); }
+    int contextId() { return thread->contextId(); }
 
-    virtual void setContextId(int id) { thread->setContextId(id); }
+    void setContextId(int id) { thread->setContextId(id); }
 
     /** Returns this thread's ID number. */
-    virtual int threadId() { return thread->threadId(); }
-    virtual void setThreadId(int id) { return thread->setThreadId(id); }
+    int threadId() { return thread->threadId(); }
+    void setThreadId(int id) { return thread->setThreadId(id); }
 
-    virtual uint64_t readMicroPC()
+    uint64_t readMicroPC()
     { return 0; }
 
-    virtual void setMicroPC(uint64_t val) { };
+    void setMicroPC(uint64_t val) { };
 
-    virtual uint64_t readNextMicroPC()
+    uint64_t readNextMicroPC()
     { return 0; }
 
-    virtual void setNextMicroPC(uint64_t val) { };
+    void setNextMicroPC(uint64_t val) { };
 
 #if FULL_SYSTEM
     /** Returns a pointer to physical memory. */
-    virtual PhysicalMemory *getPhysMemPtr() 
+    PhysicalMemory *getPhysMemPtr()
     { assert(0); return 0; /*return cpu->physmem;*/ }
 
     /** Returns a pointer to this thread's kernel statistics. */
-    virtual TheISA::Kernel::Statistics *getKernelStats()
+    TheISA::Kernel::Statistics *getKernelStats()
     { return thread->kernelStats; }
 
-    virtual FunctionalPort *getPhysPort() { return thread->getPhysPort(); }
+    FunctionalPort *getPhysPort() { return thread->getPhysPort(); }
 
-    virtual VirtualPort *getVirtPort();
+    VirtualPort *getVirtPort();
 
-    virtual void connectMemPorts(ThreadContext *tc)
+    void connectMemPorts(ThreadContext *tc)
     { thread->connectMemPorts(tc); }
 
     /** Dumps the function profiling information.
      * @todo: Implement.
      */
-    virtual void dumpFuncProfile();
+    void dumpFuncProfile();
 
     /** Reads the last tick that this thread was activated on. */
-    virtual Tick readLastActivate();
+    Tick readLastActivate();
     /** Reads the last tick that this thread was suspended on. */
-    virtual Tick readLastSuspend();
+    Tick readLastSuspend();
 
     /** Clears the function profiling information. */
-    virtual void profileClear();
+    void profileClear();
 
     /** Samples the function profiling information. */
-    virtual void profileSample();
+    void profileSample();
 
     /** Returns pointer to the quiesce event. */
-    virtual EndQuiesceEvent *getQuiesceEvent()
+    EndQuiesceEvent *getQuiesceEvent()
     {
         return this->thread->quiesceEvent;
     }
 #else
-    virtual TranslatingPort *getMemPort() { return thread->getMemPort(); }
+    TranslatingPort *getMemPort() { return thread->getMemPort(); }
 
     /** Returns a pointer to this thread's process. */
-    virtual Process *getProcessPtr() { return thread->getProcessPtr(); }
+    Process *getProcessPtr() { return thread->getProcessPtr(); }
 #endif
 
     /** Returns this thread's status. */
-    virtual Status status() const { return thread->status(); }
+    Status status() const { return thread->status(); }
 
     /** Sets this thread's status. */
-    virtual void setStatus(Status new_status)
+    void setStatus(Status new_status)
     { thread->setStatus(new_status); }
 
     /** Set the status to Active.  Optional delay indicates number of
      * cycles to wait before beginning execution. */
-    virtual void activate(int delay = 1);
+    void activate(int delay = 1);
 
     /** Set the status to Suspended. */
-    virtual void suspend(int delay = 0);
+    void suspend(int delay = 0);
 
     /** Set the status to Halted. */
-    virtual void halt(int delay = 0);
+    void halt(int delay = 0);
 
     /** Takes over execution of a thread from another CPU. */
-    virtual void takeOverFrom(ThreadContext *old_context);
+    void takeOverFrom(ThreadContext *old_context);
 
     /** Registers statistics associated with this TC. */
-    virtual void regStats(const std::string &name);
+    void regStats(const std::string &name);
 
     /** Serializes state. */
-    virtual void serialize(std::ostream &os);
+    void serialize(std::ostream &os);
 
     /** Unserializes state. */
-    virtual void unserialize(Checkpoint *cp, const std::string &section);
+    void unserialize(Checkpoint *cp, const std::string &section);
 
     /** Returns this thread's ID number. */
-    virtual int getThreadNum() { return thread->readTid(); }
+    int getThreadNum() { return thread->readTid(); }
 
     /** Returns the instruction this thread is currently committing.
      *  Only used when an instruction faults.
      */
-    virtual TheISA::MachInst getInst();
+    TheISA::MachInst getInst();
 
     /** Copies the architectural registers from another TC into this TC. */
-    virtual void copyArchRegs(ThreadContext *src_tc);
+    void copyArchRegs(ThreadContext *src_tc);
 
     /** Resets all architectural registers to 0. */
-    virtual void clearArchRegs();
+    void clearArchRegs();
 
     /** Reads an integer register. */
-    virtual uint64_t readIntReg(int reg_idx);
+    uint64_t readIntReg(int reg_idx);
 
-    virtual FloatReg readFloatReg(int reg_idx);
+    FloatReg readFloatReg(int reg_idx);
 
-    virtual FloatRegBits readFloatRegBits(int reg_idx);
+    FloatRegBits readFloatRegBits(int reg_idx);
 
-    virtual uint64_t readRegOtherThread(int misc_reg, ThreadID tid);
+    uint64_t readRegOtherThread(int misc_reg, ThreadID tid);
 
     /** Sets an integer register to a value. */
-    virtual void setIntReg(int reg_idx, uint64_t val);
+    void setIntReg(int reg_idx, uint64_t val);
 
-    virtual void setFloatReg(int reg_idx, FloatReg val);
+    void setFloatReg(int reg_idx, FloatReg val);
 
-    virtual void setFloatRegBits(int reg_idx, FloatRegBits val);
+    void setFloatRegBits(int reg_idx, FloatRegBits val);
 
-    virtual void setRegOtherThread(int misc_reg,
+    void setRegOtherThread(int misc_reg,
                                    const MiscReg &val,
                                    ThreadID tid);
 
     /** Reads this thread's PC. */
-    virtual uint64_t readPC()
+    uint64_t readPC()
     { return cpu->readPC(thread->readTid()); }
 
     /** Sets this thread's PC. */
-    virtual void setPC(uint64_t val);
+    void setPC(uint64_t val);
 
     /** Reads this thread's next PC. */
-    virtual uint64_t readNextPC()
+    uint64_t readNextPC()
     { return cpu->readNextPC(thread->readTid()); }
 
     /** Sets this thread's next PC. */
-    virtual void setNextPC(uint64_t val);
+    void setNextPC(uint64_t val);
 
-    virtual uint64_t readNextNPC()
+    uint64_t readNextNPC()
     { return cpu->readNextNPC(thread->readTid()); }
 
-    virtual void setNextNPC(uint64_t val);
+    void setNextNPC(uint64_t val);
 
     /** Reads a miscellaneous register. */
-    virtual MiscReg readMiscRegNoEffect(int misc_reg)
+    MiscReg readMiscRegNoEffect(int misc_reg)
     { return cpu->readMiscRegNoEffect(misc_reg, thread->readTid()); }
 
     /** Reads a misc. register, including any side-effects the
      * read might have as defined by the architecture. */
-    virtual MiscReg readMiscReg(int misc_reg)
+    MiscReg readMiscReg(int misc_reg)
     { return cpu->readMiscReg(misc_reg, thread->readTid()); }
 
     /** Sets a misc. register. */
-    virtual void setMiscRegNoEffect(int misc_reg, const MiscReg &val);
+    void setMiscRegNoEffect(int misc_reg, const MiscReg &val);
 
     /** Sets a misc. register, including any side-effects the
      * write might have as defined by the architecture. */
-    virtual void setMiscReg(int misc_reg, const MiscReg &val);
+    void setMiscReg(int misc_reg, const MiscReg &val);
 
-    virtual int flattenIntIndex(int reg)
+    int flattenIntIndex(int reg)
     { return cpu->isa[thread->readTid()].flattenIntIndex(reg); }
 
-    virtual int flattenFloatIndex(int reg)
+    int flattenFloatIndex(int reg)
     { return cpu->isa[thread->readTid()].flattenFloatIndex(reg); }
 
-    virtual void activateContext(int delay)
+    void activateContext(int delay)
     { cpu->activateContext(thread->readTid(), delay); }
 
-    virtual void deallocateContext()
+    void deallocateContext()
     { cpu->deallocateContext(thread->readTid()); }
 
     /** Returns the number of consecutive store conditional failures. */
     // @todo: Figure out where these store cond failures should go.
-    virtual unsigned readStCondFailures()
+    unsigned readStCondFailures()
     { return thread->storeCondFailures; }
 
     /** Sets the number of consecutive store conditional failures. */
-    virtual void setStCondFailures(unsigned sc_failures)
+    void setStCondFailures(unsigned sc_failures)
     { thread->storeCondFailures = sc_failures; }
 
     // Only really makes sense for old CPU model.  Lots of code
@@ -270,18 +270,18 @@ class InOrderThreadContext : public ThreadContext
     /** Checks if the thread is misspeculating.  Because it is
      * very difficult to determine if the thread is
      * misspeculating, this is set as false. */
-    virtual bool misspeculating() { return false; }
+    bool misspeculating() { return false; }
 
 #if !FULL_SYSTEM
     /** Executes a syscall in SE mode. */
-    virtual void syscall(int64_t callnum)
+    void syscall(int64_t callnum)
     { return cpu->syscall(callnum, thread->readTid()); }
 #endif
 
     /** Reads the funcExeInst counter. */
-    virtual Counter readFuncExeInst() { return thread->funcExeInst; }
+    Counter readFuncExeInst() { return thread->funcExeInst; }
 
-    virtual void changeRegFileContext(unsigned param,
+    void changeRegFileContext(unsigned param,
                                       unsigned val)
     { panic("Not supported!"); }
 };