diff options
author | Nathan Binkert <binkertn@umich.edu> | 2005-06-04 20:50:10 -0400 |
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committer | Nathan Binkert <binkertn@umich.edu> | 2005-06-04 20:50:10 -0400 |
commit | 13c005a8af79a8481879ce099b45a1f98faae165 (patch) | |
tree | 3125dfe10539270433981b39119dd727295c255c /cpu/base.hh | |
parent | 5a94e6f2cc6ed8480063da68d20274ced2930925 (diff) | |
download | gem5-13c005a8af79a8481879ce099b45a1f98faae165.tar.xz |
shuffle files around for new directory structure
--HG--
rename : cpu/base_cpu.cc => cpu/base.cc
rename : cpu/base_cpu.hh => cpu/base.hh
rename : cpu/beta_cpu/2bit_local_pred.cc => cpu/o3/2bit_local_pred.cc
rename : cpu/beta_cpu/2bit_local_pred.hh => cpu/o3/2bit_local_pred.hh
rename : cpu/beta_cpu/alpha_full_cpu.cc => cpu/o3/alpha_cpu.cc
rename : cpu/beta_cpu/alpha_full_cpu.hh => cpu/o3/alpha_cpu.hh
rename : cpu/beta_cpu/alpha_full_cpu_builder.cc => cpu/o3/alpha_cpu_builder.cc
rename : cpu/beta_cpu/alpha_full_cpu_impl.hh => cpu/o3/alpha_cpu_impl.hh
rename : cpu/beta_cpu/alpha_dyn_inst.cc => cpu/o3/alpha_dyn_inst.cc
rename : cpu/beta_cpu/alpha_dyn_inst.hh => cpu/o3/alpha_dyn_inst.hh
rename : cpu/beta_cpu/alpha_dyn_inst_impl.hh => cpu/o3/alpha_dyn_inst_impl.hh
rename : cpu/beta_cpu/alpha_impl.hh => cpu/o3/alpha_impl.hh
rename : cpu/beta_cpu/alpha_params.hh => cpu/o3/alpha_params.hh
rename : cpu/beta_cpu/bpred_unit.cc => cpu/o3/bpred_unit.cc
rename : cpu/beta_cpu/bpred_unit.hh => cpu/o3/bpred_unit.hh
rename : cpu/beta_cpu/bpred_unit_impl.hh => cpu/o3/bpred_unit_impl.hh
rename : cpu/beta_cpu/btb.cc => cpu/o3/btb.cc
rename : cpu/beta_cpu/btb.hh => cpu/o3/btb.hh
rename : cpu/beta_cpu/comm.hh => cpu/o3/comm.hh
rename : cpu/beta_cpu/commit.cc => cpu/o3/commit.cc
rename : cpu/beta_cpu/commit.hh => cpu/o3/commit.hh
rename : cpu/beta_cpu/commit_impl.hh => cpu/o3/commit_impl.hh
rename : cpu/beta_cpu/full_cpu.cc => cpu/o3/cpu.cc
rename : cpu/beta_cpu/full_cpu.hh => cpu/o3/cpu.hh
rename : cpu/beta_cpu/cpu_policy.hh => cpu/o3/cpu_policy.hh
rename : cpu/beta_cpu/decode.cc => cpu/o3/decode.cc
rename : cpu/beta_cpu/decode.hh => cpu/o3/decode.hh
rename : cpu/beta_cpu/decode_impl.hh => cpu/o3/decode_impl.hh
rename : cpu/beta_cpu/fetch.cc => cpu/o3/fetch.cc
rename : cpu/beta_cpu/fetch.hh => cpu/o3/fetch.hh
rename : cpu/beta_cpu/fetch_impl.hh => cpu/o3/fetch_impl.hh
rename : cpu/beta_cpu/free_list.cc => cpu/o3/free_list.cc
rename : cpu/beta_cpu/free_list.hh => cpu/o3/free_list.hh
rename : cpu/beta_cpu/iew.cc => cpu/o3/iew.cc
rename : cpu/beta_cpu/iew.hh => cpu/o3/iew.hh
rename : cpu/beta_cpu/iew_impl.hh => cpu/o3/iew_impl.hh
rename : cpu/beta_cpu/inst_queue.cc => cpu/o3/inst_queue.cc
rename : cpu/beta_cpu/inst_queue.hh => cpu/o3/inst_queue.hh
rename : cpu/beta_cpu/inst_queue_impl.hh => cpu/o3/inst_queue_impl.hh
rename : cpu/beta_cpu/mem_dep_unit.cc => cpu/o3/mem_dep_unit.cc
rename : cpu/beta_cpu/mem_dep_unit.hh => cpu/o3/mem_dep_unit.hh
rename : cpu/beta_cpu/mem_dep_unit_impl.hh => cpu/o3/mem_dep_unit_impl.hh
rename : cpu/beta_cpu/ras.cc => cpu/o3/ras.cc
rename : cpu/beta_cpu/ras.hh => cpu/o3/ras.hh
rename : cpu/beta_cpu/regfile.hh => cpu/o3/regfile.hh
rename : cpu/beta_cpu/rename.cc => cpu/o3/rename.cc
rename : cpu/beta_cpu/rename.hh => cpu/o3/rename.hh
rename : cpu/beta_cpu/rename_impl.hh => cpu/o3/rename_impl.hh
rename : cpu/beta_cpu/rename_map.cc => cpu/o3/rename_map.cc
rename : cpu/beta_cpu/rename_map.hh => cpu/o3/rename_map.hh
rename : cpu/beta_cpu/rob.cc => cpu/o3/rob.cc
rename : cpu/beta_cpu/rob.hh => cpu/o3/rob.hh
rename : cpu/beta_cpu/rob_impl.hh => cpu/o3/rob_impl.hh
rename : cpu/beta_cpu/sat_counter.cc => cpu/o3/sat_counter.cc
rename : cpu/beta_cpu/sat_counter.hh => cpu/o3/sat_counter.hh
rename : cpu/beta_cpu/store_set.cc => cpu/o3/store_set.cc
rename : cpu/beta_cpu/store_set.hh => cpu/o3/store_set.hh
rename : cpu/beta_cpu/tournament_pred.cc => cpu/o3/tournament_pred.cc
rename : cpu/beta_cpu/tournament_pred.hh => cpu/o3/tournament_pred.hh
rename : cpu/ooo_cpu/ooo_cpu.cc => cpu/ozone/cpu.cc
rename : cpu/ooo_cpu/ooo_cpu.hh => cpu/ozone/cpu.hh
rename : cpu/ooo_cpu/ooo_impl.hh => cpu/ozone/cpu_impl.hh
rename : cpu/ooo_cpu/ea_list.cc => cpu/ozone/ea_list.cc
rename : cpu/ooo_cpu/ea_list.hh => cpu/ozone/ea_list.hh
rename : cpu/simple_cpu/simple_cpu.cc => cpu/simple/cpu.cc
rename : cpu/simple_cpu/simple_cpu.hh => cpu/simple/cpu.hh
rename : cpu/full_cpu/smt.hh => cpu/smt.hh
rename : cpu/full_cpu/op_class.hh => encumbered/cpu/full/op_class.hh
extra : convert_revision : c4a891d8d6d3e0e9e5ea56be47d851da44d8c032
Diffstat (limited to 'cpu/base.hh')
-rw-r--r-- | cpu/base.hh | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/cpu/base.hh b/cpu/base.hh new file mode 100644 index 000000000..0cb81e93b --- /dev/null +++ b/cpu/base.hh @@ -0,0 +1,219 @@ +/* + * Copyright (c) 2002-2004 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __CPU_BASE_HH__ +#define __CPU_BASE_HH__ + +#include <vector> + +#include "base/statistics.hh" +#include "cpu/sampler/sampler.hh" +#include "sim/eventq.hh" +#include "sim/sim_object.hh" +#include "targetarch/isa_traits.hh" + +#ifdef FULL_SYSTEM +class System; +#endif + +class BranchPred; +class ExecContext; + +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: + uint64_t interrupts[NumInterruptLevels]; + uint64_t intstatus; + + public: + virtual void post_interrupt(int int_num, int index); + virtual void clear_interrupt(int int_num, int index); + virtual void clear_interrupts(); + bool checkInterrupts; + + bool check_interrupt(int int_num) const { + if (int_num > NumInterruptLevels) + panic("int_num out of bounds\n"); + + return interrupts[int_num] != 0; + } + + bool check_interrupts() const { return intstatus != 0; } + uint64_t intr_status() const { return intstatus; } +#endif + + protected: + std::vector<ExecContext *> execContexts; + + public: + + /// Notify the CPU that the indicated context is now active. The + /// delay parameter indicates the number of ticks to wait before + /// executing (typically 0 or 1). + virtual void activateContext(int thread_num, int delay) {} + + /// Notify the CPU that the indicated context is now suspended. + virtual void suspendContext(int thread_num) {} + + /// Notify the CPU that the indicated context is now deallocated. + virtual void deallocateContext(int thread_num) {} + + /// Notify the CPU that the indicated context is now halted. + 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 + System *system; +#endif + }; + + const Params *params; + + BaseCPU(Params *params); + virtual ~BaseCPU(); + + virtual void init(); + virtual void regStats(); + + void registerExecContexts(); + + /// 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. + virtual void takeOverFrom(BaseCPU *); + + /** + * Number of threads we're actually simulating (<= SMT_MAX_THREADS). + * This is a constant for the duration of the simulation. + */ + int number_of_threads; + + /** + * Vector of per-thread instruction-based event queues. Used for + * scheduling events based on number of instructions committed by + * a particular thread. + */ + EventQueue **comInstEventQueue; + + /** + * Vector of per-thread load-based event queues. Used for + * scheduling events based on number of loads committed by + *a particular thread. + */ + EventQueue **comLoadEventQueue; + +#ifdef FULL_SYSTEM + System *system; + + /** + * Serialize this object to the given output stream. + * @param os The stream to serialize to. + */ + virtual void serialize(std::ostream &os); + + /** + * Reconstruct the state of this object from a checkpoint. + * @param cp The checkpoint use. + * @param section The section name of this object + */ + virtual void unserialize(Checkpoint *cp, const std::string §ion); + +#endif + + /** + * Return pointer to CPU's branch predictor (NULL if none). + * @return Branch predictor pointer. + */ + virtual BranchPred *getBranchPred() { return NULL; }; + + virtual Counter totalInstructions() const { return 0; } + + // Function tracing + private: + bool functionTracingEnabled; + std::ostream *functionTraceStream; + Addr currentFunctionStart; + Addr currentFunctionEnd; + Tick functionEntryTick; + void enableFunctionTrace(); + void traceFunctionsInternal(Addr pc); + + protected: + void traceFunctions(Addr pc) + { + if (functionTracingEnabled) + traceFunctionsInternal(pc); + } + + private: + static std::vector<BaseCPU *> cpuList; //!< Static global cpu list + + public: + static int numSimulatedCPUs() { return cpuList.size(); } + static Counter numSimulatedInstructions() + { + Counter total = 0; + + int size = cpuList.size(); + for (int i = 0; i < size; ++i) + total += cpuList[i]->totalInstructions(); + + return total; + } + + public: + // Number of CPU cycles simulated + Stats::Scalar<> numCycles; +}; + +#endif // __CPU_BASE_HH__ |