void
BaseCPU::registerThreadContexts()
{
+ assert(system->multiThread || numThreads == 1);
+
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
+ if (system->multiThread) {
tc->setContextId(system->registerThreadContext(tc));
+ } else {
+ tc->setContextId(system->registerThreadContext(tc, _cpuId));
+ }
if (!FullSystem)
tc->getProcessPtr()->assignThreadContext(tc->contextId());
"Address to mask loading binaries with")
load_offset = Param.UInt64(0, "Address to offset loading binaries with")
+ multi_thread = Param.Bool(False,
+ "Supports multi-threaded CPUs? Impacts Thread/Context IDs")
+
# Dynamic voltage and frequency handler for the system, disabled by default
# Provide list of domains that need to be controlled by the handler
dvfs_handler = DVFSHandler()
System::System(Params *p)
: MemObject(p), _systemPort("system_port", this),
_numContexts(0),
+ multiThread(p->multi_thread),
pagePtr(0),
init_param(p->init_param),
physProxy(_systemPort, p->cache_line_size),