int maxThreadsPerCPU = 1;
CPUProgressEvent::CPUProgressEvent(BaseCPU *_cpu, Tick ival)
- : Event(Event::Progress_Event_Pri), interval(ival), lastNumInst(0),
- cpu(_cpu)
+ : Event(Event::Progress_Event_Pri), _interval(ival), lastNumInst(0),
+ cpu(_cpu), _repeatEvent(true)
{
- if (interval)
- cpu->schedule(this, curTick + interval);
+ if (_interval)
+ cpu->schedule(this, curTick + _interval);
}
void
{
Counter temp = cpu->totalInstructions();
#ifndef NDEBUG
- double ipc = double(temp - lastNumInst) / (interval / cpu->ticks(1));
+ double ipc = double(temp - lastNumInst) / (_interval / cpu->ticks(1));
- DPRINTFN("%s progress event, instructions committed: %lli, IPC: %0.8d\n",
- cpu->name(), temp - lastNumInst, ipc);
+ DPRINTFN("%s progress event, total committed:%i, progress insts committed: "
+ "%lli, IPC: %0.8d\n", cpu->name(), temp, temp - lastNumInst,
+ ipc);
ipc = 0.0;
#else
- cprintf("%lli: %s progress event, instructions committed: %lli\n",
- curTick, cpu->name(), temp - lastNumInst);
+ cprintf("%lli: %s progress event, total committed:%i, progress insts "
+ "committed: %lli\n", curTick, cpu->name(), temp,
+ temp - lastNumInst);
#endif
lastNumInst = temp;
- cpu->schedule(this, curTick + interval);
+
+ if (_repeatEvent)
+ cpu->schedule(this, curTick + _interval);
}
const char *
BaseCPU::BaseCPU(Params *p)
: MemObject(p), clock(p->clock), instCnt(0), _cpuId(p->cpu_id),
interrupts(p->interrupts),
- number_of_threads(p->numThreads), system(p->system),
+ numThreads(p->numThreads), system(p->system),
phase(p->phase)
#else
BaseCPU::BaseCPU(Params *p)
: MemObject(p), clock(p->clock), _cpuId(p->cpu_id),
- number_of_threads(p->numThreads), system(p->system),
+ numThreads(p->numThreads), system(p->system),
phase(p->phase)
#endif
{
DPRINTF(SyscallVerbose, "Constructing CPU with id %d\n", _cpuId);
- if (number_of_threads > maxThreadsPerCPU)
- maxThreadsPerCPU = number_of_threads;
+ if (numThreads > maxThreadsPerCPU)
+ maxThreadsPerCPU = numThreads;
// allocate per-thread instruction-based event queues
- comInstEventQueue = new EventQueue *[number_of_threads];
- for (int i = 0; i < number_of_threads; ++i)
- comInstEventQueue[i] = new EventQueue("instruction-based event queue");
+ comInstEventQueue = new EventQueue *[numThreads];
+ for (ThreadID tid = 0; tid < numThreads; ++tid)
+ comInstEventQueue[tid] =
+ new EventQueue("instruction-based event queue");
//
// set up instruction-count-based termination events, if any
//
if (p->max_insts_any_thread != 0) {
const char *cause = "a thread reached the max instruction count";
- for (int i = 0; i < number_of_threads; ++i) {
+ for (ThreadID tid = 0; tid < numThreads; ++tid) {
Event *event = new SimLoopExitEvent(cause, 0);
- comInstEventQueue[i]->schedule(event, p->max_insts_any_thread);
+ comInstEventQueue[tid]->schedule(event, p->max_insts_any_thread);
}
}
// decrement this when triggered; simulation will terminate
// when counter reaches 0
int *counter = new int;
- *counter = number_of_threads;
- for (int i = 0; i < number_of_threads; ++i) {
+ *counter = numThreads;
+ for (ThreadID tid = 0; tid < numThreads; ++tid) {
Event *event = new CountedExitEvent(cause, *counter);
- comInstEventQueue[i]->schedule(event, p->max_insts_any_thread);
+ comInstEventQueue[tid]->schedule(event, p->max_insts_all_threads);
}
}
// allocate per-thread load-based event queues
- comLoadEventQueue = new EventQueue *[number_of_threads];
- for (int i = 0; i < number_of_threads; ++i)
- comLoadEventQueue[i] = new EventQueue("load-based event queue");
+ comLoadEventQueue = new EventQueue *[numThreads];
+ for (ThreadID tid = 0; tid < numThreads; ++tid)
+ comLoadEventQueue[tid] = new EventQueue("load-based event queue");
//
// set up instruction-count-based termination events, if any
//
if (p->max_loads_any_thread != 0) {
const char *cause = "a thread reached the max load count";
- for (int i = 0; i < number_of_threads; ++i) {
+ for (ThreadID tid = 0; tid < numThreads; ++tid) {
Event *event = new SimLoopExitEvent(cause, 0);
- comLoadEventQueue[i]->schedule(event, p->max_loads_any_thread);
+ comLoadEventQueue[tid]->schedule(event, p->max_loads_any_thread);
}
}
// decrement this when triggered; simulation will terminate
// when counter reaches 0
int *counter = new int;
- *counter = number_of_threads;
- for (int i = 0; i < number_of_threads; ++i) {
+ *counter = numThreads;
+ for (ThreadID tid = 0; tid < numThreads; ++tid) {
Event *event = new CountedExitEvent(cause, *counter);
- comLoadEventQueue[i]->schedule(event, p->max_loads_all_threads);
+ comLoadEventQueue[tid]->schedule(event, p->max_loads_all_threads);
}
}
}
}
#if FULL_SYSTEM
+ interrupts->setCPU(this);
+
profileEvent = NULL;
if (params()->profile)
profileEvent = new ProfileEvent(this, params()->profile);
if (params()->progress_interval) {
Tick num_ticks = ticks(params()->progress_interval);
- Event *event = new CPUProgressEvent(this, num_ticks);
- schedule(event, curTick + num_ticks);
+
+ Event *event;
+ event = new CPUProgressEvent(this, num_ticks);
}
}
void
BaseCPU::registerThreadContexts()
{
- for (int i = 0; i < threadContexts.size(); ++i) {
- ThreadContext *tc = threadContexts[i];
-
- system->registerThreadContext(tc);
+ ThreadID size = threadContexts.size();
+ for (ThreadID tid = 0; tid < size; ++tid) {
+ ThreadContext *tc = threadContexts[tid];
+
+ /** This is so that contextId and cpuId match where there is a
+ * 1cpu:1context relationship. Otherwise, the order of registration
+ * could affect the assignment and cpu 1 could have context id 3, for
+ * example. We may even want to do something like this for SMT so that
+ * cpu 0 has the lowest thread contexts and cpu N has the highest, but
+ * I'll just do this for now
+ */
+ if (numThreads == 1)
+ tc->setContextId(system->registerThreadContext(tc, _cpuId));
+ else
+ tc->setContextId(system->registerThreadContext(tc));
#if !FULL_SYSTEM
- tc->getProcessPtr()->assignThreadContext(tc->cpuId());
+ tc->getProcessPtr()->assignThreadContext(tc->contextId());
#endif
}
}
int
BaseCPU::findContext(ThreadContext *tc)
{
- for (int i = 0; i < threadContexts.size(); ++i) {
- if (tc == threadContexts[i])
- return i;
+ ThreadID size = threadContexts.size();
+ for (ThreadID tid = 0; tid < size; ++tid) {
+ if (tc == threadContexts[tid])
+ return tid;
}
return 0;
}
_cpuId = oldCPU->cpuId();
- for (int i = 0; i < threadContexts.size(); ++i) {
+ ThreadID size = threadContexts.size();
+ for (ThreadID i = 0; i < size; ++i) {
ThreadContext *newTC = threadContexts[i];
ThreadContext *oldTC = oldCPU->threadContexts[i];
CpuEvent::replaceThreadContext(oldTC, newTC);
- assert(newTC->cpuId() == oldTC->cpuId());
- system->replaceThreadContext(newTC, newTC->cpuId());
+ assert(newTC->contextId() == oldTC->contextId());
+ assert(newTC->threadId() == oldTC->threadId());
+ system->replaceThreadContext(newTC, newTC->contextId());
- if (DTRACE(Context))
+ /* This code no longer works since the zero register (e.g.,
+ * r31 on Alpha) doesn't necessarily contain zero at this
+ * point.
+ if (DTRACE(Context))
ThreadContext::compare(oldTC, newTC);
+ */
}
#if FULL_SYSTEM
interrupts = oldCPU->interrupts;
+ interrupts->setCPU(this);
- for (int i = 0; i < threadContexts.size(); ++i)
+ for (ThreadID i = 0; i < size; ++i)
threadContexts[i]->profileClear();
if (profileEvent)
void
BaseCPU::ProfileEvent::process()
{
- for (int i = 0, size = cpu->threadContexts.size(); i < size; ++i) {
+ ThreadID size = cpu->threadContexts.size();
+ for (ThreadID i = 0; i < size; ++i) {
ThreadContext *tc = cpu->threadContexts[i];
tc->profileSample();
}
cpu->schedule(this, curTick + interval);
}
-void
-BaseCPU::postInterrupt(int int_num, int index)
-{
- interrupts->post(int_num, index);
-}
-
-void
-BaseCPU::clearInterrupt(int int_num, int index)
-{
- interrupts->clear(int_num, index);
-}
-
-void
-BaseCPU::clearInterrupts()
-{
- interrupts->clearAll();
-}
-
void
BaseCPU::serialize(std::ostream &os)
{
projects / gem5.git / blobdiff