* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Kevin Lim
*/
#ifndef __CPU_THREAD_STATE_HH__
#define __CPU_THREAD_STATE_HH__
-#include "cpu/exec_context.hh"
+#include "arch/isa_traits.hh"
+#include "cpu/thread_context.hh"
+
+#if !FULL_SYSTEM
+#include "mem/mem_object.hh"
+#include "mem/translating_port.hh"
+#include "sim/process.hh"
+#endif
#if FULL_SYSTEM
class EndQuiesceEvent;
namespace Kernel {
class Statistics;
};
-#else
-class FunctionalMemory;
-class Process;
#endif
+class Checkpoint;
+
/**
* Struct for holding general thread state that is needed across CPU
* models. This includes things such as pointers to the process,
* to hold more thread-specific stats within it.
*/
struct ThreadState {
+ typedef ThreadContext::Status Status;
+
#if FULL_SYSTEM
- ThreadState(int _cpuId, int _tid, FunctionalMemory *_mem)
- : cpuId(_cpuId), tid(_tid), mem(_mem), lastActivate(0), lastSuspend(0),
- profile(NULL), profileNode(NULL), profilePC(0), quiesceEvent(NULL)
+ ThreadState(int _cpuId, int _tid);
#else
- ThreadState(int _cpuId, int _tid, FunctionalMemory *_mem,
- Process *_process, short _asid)
- : cpuId(_cpuId), tid(_tid), mem(_mem), process(_process), asid(_asid)
+ ThreadState(int _cpuId, int _tid, Process *_process,
+ short _asid, MemObject *mem);
#endif
- {
- funcExeInst = 0;
- storeCondFailures = 0;
- }
- ExecContext::Status status;
+ void serialize(std::ostream &os);
- int cpuId;
+ void unserialize(Checkpoint *cp, const std::string §ion);
- // Index of hardware thread context on the CPU that this represents.
- int tid;
+ void setCpuId(int id) { cpuId = id; }
+
+ int readCpuId() { return cpuId; }
+
+ void setTid(int id) { tid = id; }
+
+ int readTid() { return tid; }
+
+ Tick readLastActivate() { return lastActivate; }
+
+ Tick readLastSuspend() { return lastSuspend; }
+
+#if FULL_SYSTEM
+ void dumpFuncProfile();
+
+ EndQuiesceEvent *getQuiesceEvent() { return quiesceEvent; }
+
+ void profileClear();
+
+ void profileSample();
+
+ 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; }
+#else
+ Process *getProcessPtr() { return process; }
+
+ TranslatingPort *getMemPort() { return port; }
+ 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.
+ */
+ Counter readFuncExeInst() { return funcExeInst; }
+
+ /** Sets the total number of instructions functionally executed
+ * and committed.
+ */
+ void setFuncExeInst(Counter new_val) { funcExeInst = new_val; }
+
+ /** Returns the status of this thread. */
+ Status status() const { return _status; }
+
+ /** Sets the status of this thread. */
+ void setStatus(Status new_status) { _status = new_status; }
+
+ /** Number of instructions committed. */
Counter numInst;
+ /** Stat for number instructions committed. */
Stats::Scalar<> numInsts;
+ /** Stat for number of memory references. */
Stats::Scalar<> numMemRefs;
- // number of simulated loads
+ /** Number of simulated loads, used for tracking events based on
+ * the number of loads committed.
+ */
Counter numLoad;
+
+ /** The number of simulated loads committed prior to this run. */
Counter startNumLoad;
- FunctionalMemory *mem; // functional storage for process address space
+ protected:
+ ThreadContext::Status _status;
-#if FULL_SYSTEM
+ // 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;
+
+ // Index of hardware thread context on the CPU that this represents.
+ int tid;
+
+ public:
+ /** Last time activate was called on this thread. */
Tick lastActivate;
+
+ /** Last time suspend was called on this thread. */
Tick lastSuspend;
+#if FULL_SYSTEM
+ public:
FunctionProfile *profile;
ProfileNode *profileNode;
Addr profilePC;
-
EndQuiesceEvent *quiesceEvent;
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 */
+ 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
* copy_store.
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