Set progress_interval in terms of CPU cycles.

[gem5.git] / src / cpu / simple_thread.cc

diff --git a/src/cpu/simple_thread.cc b/src/cpu/simple_thread.cc
index 48383ca9308dd68922ecf6006227f04e9b6eda75..13d0e2e291ace750531303b190244444257eb617 100644 (file)
--- a/src/cpu/simple_thread.cc
+++ b/src/cpu/simple_thread.cc
@@ -39,13 +39,13 @@
 #include "cpu/thread_context.hh"
 
 #if FULL_SYSTEM
+#include "arch/kernel_stats.hh"
 #include "base/callback.hh"
 #include "base/cprintf.hh"
 #include "base/output.hh"
 #include "base/trace.hh"
 #include "cpu/profile.hh"
 #include "cpu/quiesce_event.hh"
-#include "kern/kernel_stats.hh"
 #include "sim/serialize.hh"
 #include "sim/sim_exit.hh"
 #include "arch/stacktrace.hh"
@@ -60,9 +60,9 @@ using namespace std;
 // constructor
 #if FULL_SYSTEM
 SimpleThread::SimpleThread(BaseCPU *_cpu, int _thread_num, System *_sys,
-                           AlphaITB *_itb, AlphaDTB *_dtb,
+                           TheISA::ITB *_itb, TheISA::DTB *_dtb,
                            bool use_kernel_stats)
-    : ThreadState(-1, _thread_num), cpu(_cpu), system(_sys), itb(_itb),
+    : ThreadState(_cpu, -1, _thread_num), cpu(_cpu), system(_sys), itb(_itb),
       dtb(_dtb)
 
 {
@@ -87,53 +87,40 @@ SimpleThread::SimpleThread(BaseCPU *_cpu, int _thread_num, System *_sys,
     profilePC = 3;
 
     if (use_kernel_stats) {
-        kernelStats = new Kernel::Statistics(system);
+        kernelStats = new TheISA::Kernel::Statistics(system);
     } else {
         kernelStats = NULL;
     }
-    Port *mem_port;
-    physPort = new FunctionalPort(csprintf("%s-%d-funcport",
-                                           cpu->name(), tid));
-    mem_port = system->physmem->getPort("functional");
-    mem_port->setPeer(physPort);
-    physPort->setPeer(mem_port);
-
-    virtPort = new VirtualPort(csprintf("%s-%d-vport",
-                                        cpu->name(), tid));
-    mem_port = system->physmem->getPort("functional");
-    mem_port->setPeer(virtPort);
-    virtPort->setPeer(mem_port);
 }
 #else
 SimpleThread::SimpleThread(BaseCPU *_cpu, int _thread_num,
-                         Process *_process, int _asid, MemObject* memobj)
-    : ThreadState(-1, _thread_num, memobj, _process, _asid),
+                         Process *_process, int _asid)
+    : ThreadState(_cpu, -1, _thread_num, _process, _asid),
       cpu(_cpu)
 {
-    /* Use this port to for syscall emulation writes to memory. */
-    Port *mem_port;
-    port = new TranslatingPort(csprintf("%s-%d-funcport",
-                                        cpu->name(), tid),
-                               process->pTable, false);
-    mem_port = memobj->getPort("functional");
-    mem_port->setPeer(port);
-    port->setPeer(mem_port);
-
     regs.clear();
     tc = new ProxyThreadContext<SimpleThread>(this);
 }
 
-SimpleThread::SimpleThread(RegFile *regFile)
-    : ThreadState(-1, -1, NULL, NULL, -1), cpu(NULL)
+#endif
+
+SimpleThread::SimpleThread()
+#if FULL_SYSTEM
+    : ThreadState(NULL, -1, -1)
+#else
+    : ThreadState(NULL, -1, -1, NULL, -1)
+#endif
 {
-    regs = *regFile;
     tc = new ProxyThreadContext<SimpleThread>(this);
+    regs.clear();
 }
 
-#endif
-
 SimpleThread::~SimpleThread()
 {
+#if FULL_SYSTEM
+    delete physPort;
+    delete virtPort;
+#endif
     delete tc;
 }
 
@@ -147,13 +134,8 @@ SimpleThread::takeOverFrom(ThreadContext *oldContext)
     assert(process == oldContext->getProcessPtr());
 #endif
 
-    // copy over functional state
-    _status = oldContext->status();
-    copyArchRegs(oldContext);
-    cpuId = oldContext->readCpuId();
-#if !FULL_SYSTEM
-    funcExeInst = oldContext->readFuncExeInst();
-#else
+    copyState(oldContext);
+#if FULL_SYSTEM
     EndQuiesceEvent *quiesce = oldContext->getQuiesceEvent();
     if (quiesce) {
         // Point the quiesce event's TC at this TC so that it wakes up
@@ -163,6 +145,11 @@ SimpleThread::takeOverFrom(ThreadContext *oldContext)
     if (quiesceEvent) {
         quiesceEvent->tc = tc;
     }
+
+    TheISA::Kernel::Statistics *stats = oldContext->getKernelStats();
+    if (stats) {
+        kernelStats = stats;
+    }
 #endif
 
     storeCondFailures = 0;
@@ -171,42 +158,50 @@ SimpleThread::takeOverFrom(ThreadContext *oldContext)
 }
 
 void
-SimpleThread::serialize(ostream &os)
+SimpleThread::copyTC(ThreadContext *context)
 {
-    SERIALIZE_ENUM(_status);
-    regs.serialize(os);
-    // thread_num and cpu_id are deterministic from the config
-    SERIALIZE_SCALAR(funcExeInst);
-    SERIALIZE_SCALAR(inst);
+    copyState(context);
 
 #if FULL_SYSTEM
-    Tick quiesceEndTick = 0;
-    if (quiesceEvent->scheduled())
-        quiesceEndTick = quiesceEvent->when();
-    SERIALIZE_SCALAR(quiesceEndTick);
-    if (kernelStats)
-        kernelStats->serialize(os);
+    EndQuiesceEvent *quiesce = context->getQuiesceEvent();
+    if (quiesce) {
+        quiesceEvent = quiesce;
+    }
+    TheISA::Kernel::Statistics *stats = context->getKernelStats();
+    if (stats) {
+        kernelStats = stats;
+    }
+#endif
+}
+
+void
+SimpleThread::copyState(ThreadContext *oldContext)
+{
+    // copy over functional state
+    _status = oldContext->status();
+    copyArchRegs(oldContext);
+    cpuId = oldContext->readCpuId();
+#if !FULL_SYSTEM
+    funcExeInst = oldContext->readFuncExeInst();
 #endif
+    inst = oldContext->getInst();
+}
+
+void
+SimpleThread::serialize(ostream &os)
+{
+    ThreadState::serialize(os);
+    regs.serialize(os);
+    // thread_num and cpu_id are deterministic from the config
 }
 
 
 void
 SimpleThread::unserialize(Checkpoint *cp, const std::string &section)
 {
-    UNSERIALIZE_ENUM(_status);
+    ThreadState::unserialize(cp, section);
     regs.unserialize(cp, section);
     // thread_num and cpu_id are deterministic from the config
-    UNSERIALIZE_SCALAR(funcExeInst);
-    UNSERIALIZE_SCALAR(inst);
-
-#if FULL_SYSTEM
-    Tick quiesceEndTick;
-    UNSERIALIZE_SCALAR(quiesceEndTick);
-    if (quiesceEndTick)
-        quiesceEvent->schedule(quiesceEndTick);
-    if (kernelStats)
-        kernelStats->unserialize(cp, section);
-#endif
 }
 
 #if FULL_SYSTEM
@@ -301,13 +296,8 @@ SimpleThread::getVirtPort(ThreadContext *src_tc)
     if (!src_tc)
         return virtPort;
 
-    VirtualPort *vp;
-    Port *mem_port;
-
-    vp = new VirtualPort("tc-vport", src_tc);
-    mem_port = system->physmem->getPort("functional");
-    mem_port->setPeer(vp);
-    vp->setPeer(mem_port);
+    VirtualPort *vp = new VirtualPort("tc-vport", src_tc);
+    connectToMemFunc(vp);
     return vp;
 }
 
@@ -320,6 +310,5 @@ SimpleThread::delVirtPort(VirtualPort *vp)
     }
 }
 
-
 #endif