#include <string>
#include "arch/isa_traits.hh"
-#include "cpu/base.hh"
-#include "cpu/simple_thread.hh"
-#include "cpu/thread_context.hh"
-
-#if FULL_SYSTEM
#include "arch/kernel_stats.hh"
+#include "arch/stacktrace.hh"
+#include "arch/utility.hh"
#include "base/callback.hh"
#include "base/cprintf.hh"
#include "base/output.hh"
#include "base/trace.hh"
+#include "config/the_isa.hh"
+#include "cpu/base.hh"
#include "cpu/profile.hh"
#include "cpu/quiesce_event.hh"
+#include "cpu/simple_thread.hh"
+#include "cpu/thread_context.hh"
+#include "mem/fs_translating_port_proxy.hh"
+#include "mem/se_translating_port_proxy.hh"
+#include "params/BaseCPU.hh"
+#include "sim/faults.hh"
+#include "sim/full_system.hh"
+#include "sim/process.hh"
#include "sim/serialize.hh"
#include "sim/sim_exit.hh"
-#include "arch/stacktrace.hh"
-#else
-#include "sim/process.hh"
#include "sim/system.hh"
-#include "mem/translating_port.hh"
-#endif
using namespace std;
// constructor
-#if FULL_SYSTEM
SimpleThread::SimpleThread(BaseCPU *_cpu, int _thread_num, System *_sys,
- TheISA::ITB *_itb, TheISA::DTB *_dtb,
- bool use_kernel_stats)
- : ThreadState(_cpu, -1, _thread_num), cpu(_cpu), system(_sys), itb(_itb),
- dtb(_dtb)
+ Process *_process, TheISA::TLB *_itb,
+ TheISA::TLB *_dtb, TheISA::ISA *_isa)
+ : ThreadState(_cpu, _thread_num, _process), isa(_isa),
+ predicate(false), system(_sys),
+ itb(_itb), dtb(_dtb)
+{
+ clearArchRegs();
+ tc = new ProxyThreadContext<SimpleThread>(this);
+}
+SimpleThread::SimpleThread(BaseCPU *_cpu, int _thread_num, System *_sys,
+ TheISA::TLB *_itb, TheISA::TLB *_dtb,
+ TheISA::ISA *_isa, bool use_kernel_stats)
+ : ThreadState(_cpu, _thread_num, NULL), isa(_isa), system(_sys), itb(_itb),
+ dtb(_dtb)
{
tc = new ProxyThreadContext<SimpleThread>(this);
quiesceEvent = new EndQuiesceEvent(tc);
- regs.clear();
+ clearArchRegs();
- if (cpu->params->profile) {
+ if (baseCpu->params()->profile) {
profile = new FunctionProfile(system->kernelSymtab);
Callback *cb =
new MakeCallback<SimpleThread,
profileNode = &dummyNode;
profilePC = 3;
- if (use_kernel_stats) {
+ if (use_kernel_stats)
kernelStats = new TheISA::Kernel::Statistics(system);
- } else {
- kernelStats = NULL;
- }
-}
-#else
-SimpleThread::SimpleThread(BaseCPU *_cpu, int _thread_num, Process *_process,
- TheISA::ITB *_itb, TheISA::DTB *_dtb, int _asid)
- : ThreadState(_cpu, -1, _thread_num, _process, _asid),
- cpu(_cpu), itb(_itb), dtb(_dtb)
-{
- regs.clear();
- tc = new ProxyThreadContext<SimpleThread>(this);
-}
-
-#endif
-
-SimpleThread::SimpleThread()
-#if FULL_SYSTEM
- : ThreadState(NULL, -1, -1)
-#else
- : ThreadState(NULL, -1, -1, NULL, -1)
-#endif
-{
- tc = new ProxyThreadContext<SimpleThread>(this);
- regs.clear();
}
SimpleThread::~SimpleThread()
{
-#if FULL_SYSTEM
- delete physPort;
- delete virtPort;
-#endif
delete tc;
}
void
SimpleThread::takeOverFrom(ThreadContext *oldContext)
{
- // some things should already be set up
-#if FULL_SYSTEM
- assert(system == oldContext->getSystemPtr());
-#else
- assert(process == oldContext->getProcessPtr());
-#endif
-
- 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
- // the proper CPU.
- quiesce->tc = tc;
- }
- if (quiesceEvent) {
- quiesceEvent->tc = tc;
- }
-
- TheISA::Kernel::Statistics *stats = oldContext->getKernelStats();
- if (stats) {
- kernelStats = stats;
- }
-#endif
+ ::takeOverFrom(*tc, *oldContext);
+ decoder.takeOverFrom(oldContext->getDecoderPtr());
+ kernelStats = oldContext->getKernelStats();
+ funcExeInst = oldContext->readFuncExeInst();
storeCondFailures = 0;
-
- oldContext->setStatus(ThreadContext::Unallocated);
-}
-
-void
-SimpleThread::copyTC(ThreadContext *context)
-{
- copyState(context);
-
-#if FULL_SYSTEM
- EndQuiesceEvent *quiesce = context->getQuiesceEvent();
- if (quiesce) {
- quiesceEvent = quiesce;
- }
- TheISA::Kernel::Statistics *stats = context->getKernelStats();
- if (stats) {
- kernelStats = stats;
- }
-#endif
}
void
// copy over functional state
_status = oldContext->status();
copyArchRegs(oldContext);
- cpuId = oldContext->readCpuId();
-#if !FULL_SYSTEM
- funcExeInst = oldContext->readFuncExeInst();
-#endif
- inst = oldContext->getInst();
+ if (FullSystem)
+ funcExeInst = oldContext->readFuncExeInst();
+
+ _threadId = oldContext->threadId();
+ _contextId = oldContext->contextId();
}
void
SimpleThread::serialize(ostream &os)
{
ThreadState::serialize(os);
- regs.serialize(os);
- // thread_num and cpu_id are deterministic from the config
+ ::serialize(*tc, os);
}
SimpleThread::unserialize(Checkpoint *cp, const std::string §ion)
{
ThreadState::unserialize(cp, section);
- regs.unserialize(cp, section);
- // thread_num and cpu_id are deterministic from the config
+ ::unserialize(*tc, cp, section);
+}
+
+void
+SimpleThread::startup()
+{
+ isa->startup(tc);
}
-#if FULL_SYSTEM
void
SimpleThread::dumpFuncProfile()
{
- std::ostream *os = simout.create(csprintf("profile.%s.dat", cpu->name()));
+ std::ostream *os = simout.create(csprintf("profile.%s.dat",
+ baseCpu->name()));
profile->dump(tc, *os);
}
-#endif
void
-SimpleThread::activate(int delay)
+SimpleThread::activate()
{
if (status() == ThreadContext::Active)
return;
- lastActivate = curTick;
-
-// if (status() == ThreadContext::Unallocated) {
-// cpu->activateWhenReady(tid);
-// return;
-// }
-
+ lastActivate = curTick();
_status = ThreadContext::Active;
-
- // status() == Suspended
- cpu->activateContext(tid, delay);
+ baseCpu->activateContext(_threadId);
}
void
if (status() == ThreadContext::Suspended)
return;
- lastActivate = curTick;
- lastSuspend = curTick;
-/*
-#if FULL_SYSTEM
- // Don't change the status from active if there are pending interrupts
- if (cpu->check_interrupts()) {
- assert(status() == ThreadContext::Active);
- return;
- }
-#endif
-*/
+ lastActivate = curTick();
+ lastSuspend = curTick();
_status = ThreadContext::Suspended;
- cpu->suspendContext(tid);
+ baseCpu->suspendContext(_threadId);
}
-void
-SimpleThread::deallocate()
-{
- if (status() == ThreadContext::Unallocated)
- return;
-
- _status = ThreadContext::Unallocated;
- cpu->deallocateContext(tid);
-}
void
SimpleThread::halt()
return;
_status = ThreadContext::Halted;
- cpu->haltContext(tid);
+ baseCpu->haltContext(_threadId);
}
void
SimpleThread::regStats(const string &name)
{
-#if FULL_SYSTEM
- if (kernelStats)
+ if (FullSystem && kernelStats)
kernelStats->regStats(name + ".kern");
-#endif
}
void
TheISA::copyRegs(src_tc, tc);
}
-#if FULL_SYSTEM
-VirtualPort*
-SimpleThread::getVirtPort(ThreadContext *src_tc)
+// The following methods are defined in src/arch/alpha/ev5.cc for
+// Alpha.
+#if THE_ISA != ALPHA_ISA
+Fault
+SimpleThread::hwrei()
{
- if (!src_tc)
- return virtPort;
-
- VirtualPort *vp = new VirtualPort("tc-vport", src_tc);
- connectToMemFunc(vp);
- return vp;
+ return NoFault;
}
-void
-SimpleThread::delVirtPort(VirtualPort *vp)
+bool
+SimpleThread::simPalCheck(int palFunc)
{
- if (vp != virtPort) {
- vp->removeConn();
- delete vp;
- }
+ return true;
}
-
#endif
-