#include <vector>
#include "base/statistics.hh"
+#include "cpu/sampling_cpu/sampling_cpu.hh"
#include "sim/eventq.hh"
#include "sim/sim_object.hh"
#include "targetarch/isa_traits.hh"
class BaseCPU : public SimObject
{
+ protected:
+ // CPU's clock period in terms of the number of ticks of curTime.
+ Tick clock;
+
+ public:
+ inline Tick frequency() const { return Clock::Frequency / clock; }
+ inline Tick cycles(int numCycles) const { return clock * numCycles; }
+ inline Tick curCycle() const { return curTick / clock; }
+
#ifdef FULL_SYSTEM
protected:
- Tick frequency;
uint64_t interrupts[NumInterruptLevels];
uint64_t intstatus;
bool check_interrupts() const { return intstatus != 0; }
uint64_t intr_status() const { return intstatus; }
-
- Tick getFreq() const { return frequency; }
#endif
protected:
virtual void haltContext(int thread_num) {}
public:
-
+ struct Params
+ {
+ std::string name;
+ int numberOfThreads;
+ bool deferRegistration;
+ Counter max_insts_any_thread;
+ Counter max_insts_all_threads;
+ Counter max_loads_any_thread;
+ Counter max_loads_all_threads;
+ Tick clock;
+ bool functionTrace;
+ Tick functionTraceStart;
#ifdef FULL_SYSTEM
- BaseCPU(const std::string &_name, int _number_of_threads, bool _def_reg,
- Counter max_insts_any_thread, Counter max_insts_all_threads,
- Counter max_loads_any_thread, Counter max_loads_all_threads,
- System *_system, Tick freq,
- bool _function_trace = false, Tick _function_trace_start = 0);
-#else
- BaseCPU(const std::string &_name, int _number_of_threads, bool _def_reg,
- Counter max_insts_any_thread = 0,
- Counter max_insts_all_threads = 0,
- Counter max_loads_any_thread = 0,
- Counter max_loads_all_threads = 0,
- bool _function_trace = false, Tick _function_trace_start = 0);
+ System *system;
#endif
+ };
+
+ const Params *params;
+ BaseCPU(Params *params);
virtual ~BaseCPU();
virtual void init();
virtual void regStats();
- bool deferRegistration;
void registerExecContexts();
- /// Prepare for another CPU to take over execution. Called by
- /// takeOverFrom() on its argument.
- virtual void switchOut();
+ /// Prepare for another CPU to take over execution. When it is
+ /// is ready (drained pipe) it signals the sampler.
+ virtual void switchOut(SamplingCPU *);
/// Take over execution from the given CPU. Used for warm-up and
/// sampling.