gem5  v20.1.0.0
deriv.cc
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28 
29 #include "cpu/o3/deriv.hh"
30 
31 #include <string>
32 
33 #include "params/DerivO3CPU.hh"
34 
35 DerivO3CPU *
36 DerivO3CPUParams::create()
37 {
38  ThreadID actual_num_threads;
39  if (FullSystem) {
40  // Full-system only supports a single thread for the moment.
41  actual_num_threads = 1;
42  } else {
43  if (workload.size() > numThreads) {
44  fatal("Workload Size (%i) > Max Supported Threads (%i) on This CPU",
45  workload.size(), numThreads);
46  } else if (workload.size() == 0) {
47  fatal("Must specify at least one workload!");
48  }
49 
50  // In non-full-system mode, we infer the number of threads from
51  // the workload if it's not explicitly specified.
52  actual_num_threads =
53  (numThreads >= workload.size()) ? numThreads : workload.size();
54  }
55 
56  numThreads = actual_num_threads;
57 
58  if (actual_num_threads > 1 && smtFetchPolicy == FetchPolicy::SingleThread)
59  smtFetchPolicy = FetchPolicy::RoundRobin;
60 
61  return new DerivO3CPU(this);
62 }
fatal
#define fatal(...)
This implements a cprintf based fatal() function.
Definition: logging.hh:183
ThreadID
int16_t ThreadID
Thread index/ID type.
Definition: types.hh:227
DerivO3CPU
Definition: deriv.hh:36
FullSystem
bool FullSystem
The FullSystem variable can be used to determine the current mode of simulation.
Definition: root.cc:132
deriv.hh

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