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authorGabe Black <gblack@eecs.umich.edu>2009-04-06 10:19:36 -0700
committerGabe Black <gblack@eecs.umich.edu>2009-04-06 10:19:36 -0700
commitd080581db1f9ee4e1e6d07d2b01c13c67908a391 (patch)
treecc484b289fa5a30c4631f9faa1d8b456bffeebfc /src/cpu/base.hh
parent7a7c4c5fca83a8d47c7e71c9c080a882ebe204a9 (diff)
parent639cb0a42d953ee32bc7e96b0cdfa96cd40e9fc1 (diff)
downloadgem5-d080581db1f9ee4e1e6d07d2b01c13c67908a391.tar.xz
Merge ARM into the head. ARM will compile but may not actually work.
Diffstat (limited to 'src/cpu/base.hh')
-rw-r--r--src/cpu/base.hh100
1 files changed, 53 insertions, 47 deletions
diff --git a/src/cpu/base.hh b/src/cpu/base.hh
index bdc7d7c8b..8af3295eb 100644
--- a/src/cpu/base.hh
+++ b/src/cpu/base.hh
@@ -35,6 +35,7 @@
#include <vector>
#include "arch/isa_traits.hh"
+#include "arch/microcode_rom.hh"
#include "base/statistics.hh"
#include "config/full_system.hh"
#include "sim/eventq.hh"
@@ -45,6 +46,7 @@
#include "arch/interrupts.hh"
#endif
+class BaseCPUParams;
class BranchPred;
class CheckerCPU;
class ThreadContext;
@@ -64,7 +66,7 @@ class CPUProgressEvent : public Event
BaseCPU *cpu;
public:
- CPUProgressEvent(EventQueue *q, Tick ival, BaseCPU *_cpu);
+ CPUProgressEvent(BaseCPU *_cpu, Tick ival);
void process();
@@ -78,8 +80,16 @@ class BaseCPU : public MemObject
Tick clock;
// @todo remove me after debugging with legion done
Tick instCnt;
+ // every cpu has an id, put it in the base cpu
+ // Set at initialization, only time a cpuId might change is during a
+ // takeover (which should be done from within the BaseCPU anyway,
+ // therefore no setCpuId() method is provided
+ int _cpuId;
public:
+ /** Reads this CPU's ID. */
+ int cpuId() { return _cpuId; }
+
// Tick currentTick;
inline Tick frequency() const { return Clock::Frequency / clock; }
inline Tick ticks(int numCycles) const { return clock * numCycles; }
@@ -102,29 +112,54 @@ class BaseCPU : public MemObject
*/
Tick nextCycle(Tick begin_tick);
+ TheISA::MicrocodeRom microcodeRom;
+
#if FULL_SYSTEM
protected:
-// uint64_t interrupts[TheISA::NumInterruptLevels];
-// uint64_t intstatus;
- TheISA::Interrupts interrupts;
+ TheISA::Interrupts *interrupts;
public:
- virtual void post_interrupt(int int_num, int index);
- virtual void clear_interrupt(int int_num, int index);
- virtual void clear_interrupts();
- virtual uint64_t get_interrupts(int int_num);
+ TheISA::Interrupts *
+ getInterruptController()
+ {
+ return interrupts;
+ }
+
+ virtual void wakeup() = 0;
+
+ void
+ postInterrupt(int int_num, int index)
+ {
+ interrupts->post(int_num, index);
+ wakeup();
+ }
+
+ void
+ clearInterrupt(int int_num, int index)
+ {
+ interrupts->clear(int_num, index);
+ }
+
+ void
+ clearInterrupts()
+ {
+ interrupts->clearAll();
+ }
- bool check_interrupts(ThreadContext * tc) const
- { return interrupts.check_interrupts(tc); }
+ bool
+ checkInterrupts(ThreadContext *tc) const
+ {
+ return interrupts->checkInterrupts(tc);
+ }
class ProfileEvent : public Event
{
private:
BaseCPU *cpu;
- int interval;
+ Tick interval;
public:
- ProfileEvent(BaseCPU *cpu, int interval);
+ ProfileEvent(BaseCPU *cpu, Tick interval);
void process();
};
ProfileEvent *profileEvent;
@@ -162,40 +197,9 @@ class BaseCPU : public MemObject
ThreadContext *getContext(int tn) { return threadContexts[tn]; }
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;
- System *system;
- int cpu_id;
- Trace::InstTracer * tracer;
-
- Tick phase;
-#if FULL_SYSTEM
- Tick profile;
-
- bool do_statistics_insts;
- bool do_checkpoint_insts;
- bool do_quiesce;
-#endif
- Tick progress_interval;
- BaseCPU *checker;
-
- TheISA::CoreSpecific coreParams; //ISA-Specific Params That Set Up State in Core
-
- Params();
- };
-
- const Params *params;
-
+ typedef BaseCPUParams Params;
+ const Params *params() const
+ { return reinterpret_cast<const Params *>(_params); }
BaseCPU(Params *params);
virtual ~BaseCPU();
@@ -221,6 +225,8 @@ class BaseCPU : public MemObject
*/
int number_of_threads;
+ TheISA::CoreSpecific coreParams; //ISA-Specific Params That Set Up State in Core
+
/**
* Vector of per-thread instruction-based event queues. Used for
* scheduling events based on number of instructions committed by
@@ -298,7 +304,7 @@ class BaseCPU : public MemObject
public:
// Number of CPU cycles simulated
- Stats::Scalar<> numCycles;
+ Stats::Scalar numCycles;
};
#endif // __CPU_BASE_HH__