mips: cleanup ISA-specific code

[gem5.git] / src / cpu / thread_state.hh

diff --git a/src/cpu/thread_state.hh b/src/cpu/thread_state.hh
index 6e985054f4425d5600bf48e58443cfadc17434b3..06707894df51c7d069a5b024a205e81a0ae25cea 100644 (file)
--- a/src/cpu/thread_state.hh
+++ b/src/cpu/thread_state.hh
@@ -32,11 +32,13 @@
 #define __CPU_THREAD_STATE_HH__
 
 #include "arch/types.hh"
+#include "config/the_isa.hh"
+#include "cpu/profile.hh"
 #include "cpu/thread_context.hh"
+#include "cpu/base.hh"
 
 #if !FULL_SYSTEM
 #include "mem/mem_object.hh"
-#include "mem/translating_port.hh"
 #include "sim/process.hh"
 #endif
 
@@ -44,12 +46,16 @@
 class EndQuiesceEvent;
 class FunctionProfile;
 class ProfileNode;
-namespace Kernel {
-    class Statistics;
+namespace TheISA {
+    namespace Kernel {
+        class Statistics;
+    };
 };
 #endif
 
 class Checkpoint;
+class Port;
+class TranslatingPort;
 
 /**
  *  Struct for holding general thread state that is needed across CPU
@@ -61,29 +67,38 @@ struct ThreadState {
     typedef ThreadContext::Status Status;
 
 #if FULL_SYSTEM
-    ThreadState(int _cpuId, int _tid);
+    ThreadState(BaseCPU *cpu, ThreadID _tid);
 #else
-    ThreadState(int _cpuId, int _tid, Process *_process,
-                short _asid, MemObject *mem);
+    ThreadState(BaseCPU *cpu, ThreadID _tid, Process *_process);
 #endif
 
+    ~ThreadState();
+
     void serialize(std::ostream &os);
 
     void unserialize(Checkpoint *cp, const std::string &section);
 
-    void setCpuId(int id) { cpuId = id; }
+    int cpuId() { return baseCpu->cpuId(); }
+
+    int contextId() { return _contextId; }
 
-    int readCpuId() { return cpuId; }
+    void setContextId(int id) { _contextId = id; }
 
-    void setTid(int id) { tid = id; }
+    void setThreadId(ThreadID id) { _threadId = id; }
 
-    int readTid() { return tid; }
+    ThreadID threadId() { return _threadId; }
 
     Tick readLastActivate() { return lastActivate; }
 
     Tick readLastSuspend() { return lastSuspend; }
 
 #if FULL_SYSTEM
+    void connectMemPorts(ThreadContext *tc);
+
+    void connectPhysPort();
+
+    void connectVirtPort(ThreadContext *tc);
+
     void dumpFuncProfile();
 
     EndQuiesceEvent *getQuiesceEvent() { return quiesceEvent; }
@@ -92,32 +107,21 @@ struct ThreadState {
 
     void profileSample();
 
-    Kernel::Statistics *getKernelStats() { return kernelStats; }
+    TheISA::Kernel::Statistics *getKernelStats() { return kernelStats; }
 
     FunctionalPort *getPhysPort() { return physPort; }
 
     void setPhysPort(FunctionalPort *port) { physPort = port; }
 
-    VirtualPort *getVirtPort(ThreadContext *tc = NULL) { return virtPort; }
-
-    void setVirtPort(VirtualPort *port) { virtPort = port; }
+    VirtualPort *getVirtPort() { return virtPort; }
 #else
     Process *getProcessPtr() { return process; }
 
-    TranslatingPort *getMemPort() { return port; }
+    TranslatingPort *getMemPort();
 
     void setMemPort(TranslatingPort *_port) { port = _port; }
-
-    int getInstAsid() { return asid; }
-    int getDataAsid() { return asid; }
 #endif
 
-    /** Sets the current instruction being committed. */
-    void setInst(TheISA::MachInst _inst) { inst = _inst; }
-
-    /** Returns the current instruction being committed. */
-    TheISA::MachInst getInst() { return inst; }
-
     /** Reads the number of instructions functionally executed and
      * committed.
      */
@@ -134,12 +138,17 @@ struct ThreadState {
     /** Sets the status of this thread. */
     void setStatus(Status new_status) { _status = new_status; }
 
+  public:
+    /** Connects port to the functional port of the memory object
+     * below the CPU. */
+    void connectToMemFunc(Port *port);
+
     /** Number of instructions committed. */
     Counter numInst;
     /** Stat for number instructions committed. */
-    Stats::Scalar<> numInsts;
+    Stats::Scalar numInsts;
     /** Stat for number of memory references. */
-    Stats::Scalar<> numMemRefs;
+    Stats::Scalar numMemRefs;
 
     /** Number of simulated loads, used for tracking events based on
      * the number of loads committed.
@@ -152,12 +161,14 @@ struct ThreadState {
   protected:
     ThreadContext::Status _status;
 
-    // ID of this context w.r.t. the System or Process object to which
-    // it belongs.  For full-system mode, this is the system CPU ID.
-    int cpuId;
+    // Pointer to the base CPU.
+    BaseCPU *baseCpu;
+
+    // system wide HW context id
+    int _contextId;
 
     // Index of hardware thread context on the CPU that this represents.
-    int tid;
+    ThreadID _threadId;
 
   public:
     /** Last time activate was called on this thread. */
@@ -173,31 +184,21 @@ struct ThreadState {
     Addr profilePC;
     EndQuiesceEvent *quiesceEvent;
 
-    Kernel::Statistics *kernelStats;
+    TheISA::Kernel::Statistics *kernelStats;
   protected:
     /** A functional port outgoing only for functional accesses to physical
      * addresses.*/
     FunctionalPort *physPort;
 
     /** A functional port, outgoing only, for functional accesse to virtual
-     * addresses. That doen't require execution context information */
+     * addresses. */
     VirtualPort *virtPort;
 #else
     TranslatingPort *port;
 
     Process *process;
-
-    // Address space ID.  Note that this is used for TIMING cache
-    // simulation only; all functional memory accesses should use
-    // one of the FunctionalMemory pointers above.
-    short asid;
 #endif
 
-    /** Current instruction the thread is committing.  Only set and
-     * used for DTB faults currently.
-     */
-    TheISA::MachInst inst;
-
   public:
     /**
      * Temporary storage to pass the source address from copy_load to