*/
#include "base/output.hh"
+#include "cpu/base.hh"
#include "cpu/profile.hh"
#include "cpu/thread_state.hh"
+#include "mem/port.hh"
+#include "mem/translating_port.hh"
#include "sim/serialize.hh"
#if FULL_SYSTEM
+#include "arch/kernel_stats.hh"
#include "cpu/quiesce_event.hh"
-#include "kern/kernel_stats.hh"
+#include "mem/vport.hh"
#endif
#if FULL_SYSTEM
-ThreadState::ThreadState(int _cpuId, int _tid)
- : cpuId(_cpuId), tid(_tid), lastActivate(0), lastSuspend(0),
+ThreadState::ThreadState(BaseCPU *cpu, int _tid)
+ : baseCpu(cpu), _threadId(_tid), lastActivate(0), lastSuspend(0),
profile(NULL), profileNode(NULL), profilePC(0), quiesceEvent(NULL),
- funcExeInst(0), storeCondFailures(0)
+ kernelStats(NULL), physPort(NULL), virtPort(NULL),
+ microPC(0), nextMicroPC(1), funcExeInst(0), storeCondFailures(0)
#else
-ThreadState::ThreadState(int _cpuId, int _tid, Process *_process,
- short _asid, MemObject *mem)
- : cpuId(_cpuId), tid(_tid), lastActivate(0), lastSuspend(0),
- process(_process), asid(_asid),
- funcExeInst(0), storeCondFailures(0)
+ThreadState::ThreadState(BaseCPU *cpu, int _tid, Process *_process,
+ short _asid)
+ : baseCpu(cpu), _threadId(_tid), lastActivate(0), lastSuspend(0),
+ port(NULL), process(_process), asid(_asid),
+ microPC(0), nextMicroPC(1), funcExeInst(0), storeCondFailures(0)
#endif
{
numInst = 0;
numLoad = 0;
}
+ThreadState::~ThreadState()
+{
+#if !FULL_SYSTEM
+ if (port) {
+ delete port->getPeer();
+ delete port;
+ }
+#endif
+}
+
void
ThreadState::serialize(std::ostream &os)
{
// thread_num and cpu_id are deterministic from the config
SERIALIZE_SCALAR(funcExeInst);
SERIALIZE_SCALAR(inst);
+ SERIALIZE_SCALAR(microPC);
+ SERIALIZE_SCALAR(nextMicroPC);
#if FULL_SYSTEM
Tick quiesceEndTick = 0;
// thread_num and cpu_id are deterministic from the config
UNSERIALIZE_SCALAR(funcExeInst);
UNSERIALIZE_SCALAR(inst);
+ UNSERIALIZE_SCALAR(microPC);
+ UNSERIALIZE_SCALAR(nextMicroPC);
#if FULL_SYSTEM
Tick quiesceEndTick;
UNSERIALIZE_SCALAR(quiesceEndTick);
if (quiesceEndTick)
- quiesceEvent->schedule(quiesceEndTick);
+ baseCpu->schedule(quiesceEvent, quiesceEndTick);
if (kernelStats)
kernelStats->unserialize(cp, section);
#endif
}
#if FULL_SYSTEM
+void
+ThreadState::connectMemPorts(ThreadContext *tc)
+{
+ connectPhysPort();
+ connectVirtPort(tc);
+}
+
+void
+ThreadState::connectPhysPort()
+{
+ // @todo: For now this disregards any older port that may have
+ // already existed. Fix this memory leak once the bus port IDs
+ // for functional ports is resolved.
+ if (physPort)
+ physPort->removeConn();
+ else
+ physPort = new FunctionalPort(csprintf("%s-%d-funcport",
+ baseCpu->name(), _threadId));
+ connectToMemFunc(physPort);
+}
+
+void
+ThreadState::connectVirtPort(ThreadContext *tc)
+{
+ // @todo: For now this disregards any older port that may have
+ // already existed. Fix this memory leak once the bus port IDs
+ // for functional ports is resolved.
+ if (virtPort)
+ virtPort->removeConn();
+ else
+ virtPort = new VirtualPort(csprintf("%s-%d-vport",
+ baseCpu->name(), _threadId), tc);
+ connectToMemFunc(virtPort);
+}
void
ThreadState::profileClear()
profile->sample(profileNode, profilePC);
}
+#else
+TranslatingPort *
+ThreadState::getMemPort()
+{
+ if (port != NULL)
+ return port;
+
+ /* Use this port to for syscall emulation writes to memory. */
+ port = new TranslatingPort(csprintf("%s-%d-funcport", baseCpu->name(), _threadId),
+ process, TranslatingPort::NextPage);
+
+ connectToMemFunc(port);
+
+ return port;
+}
#endif
+
+void
+ThreadState::connectToMemFunc(Port *port)
+{
+ Port *dcache_port, *func_mem_port;
+
+ dcache_port = baseCpu->getPort("dcache_port");
+ assert(dcache_port != NULL);
+
+ MemObject *mem_object = dcache_port->getPeer()->getOwner();
+ assert(mem_object != NULL);
+
+ func_mem_port = mem_object->getPort("functional");
+ assert(func_mem_port != NULL);
+
+ func_mem_port->setPeer(port);
+ port->setPeer(func_mem_port);
+}