759ff4b910
build/SConstruct:
Include Ozone CPU models.
cpu/cpu_models.py:
Include OzoneCPU models.
--HG--
extra : convert_revision : 51a016c216cacd2cc613eed79653026c2edda4b3
818 lines
27 KiB
C++
818 lines
27 KiB
C++
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#include <string>
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#include "cpu/inst_seq.hh"
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#include "cpu/ozone/cpu.hh"
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#include "cpu/ozone/ozone_impl.hh"
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#include "cpu/ozone/simple_impl.hh"
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#include "cpu/ozone/simple_params.hh"
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#include "mem/cache/base_cache.hh"
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#include "sim/builder.hh"
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#include "sim/process.hh"
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#include "sim/sim_object.hh"
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class DerivOzoneCPU : public OzoneCPU<OzoneImpl>
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{
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public:
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DerivOzoneCPU(SimpleParams *p)
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: OzoneCPU<OzoneImpl>(p)
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{ }
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};
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class SimpleOzoneCPU : public OzoneCPU<SimpleImpl>
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{
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public:
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SimpleOzoneCPU(SimpleParams *p)
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: OzoneCPU<SimpleImpl>(p)
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{ }
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};
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////////////////////////////////////////////////////////////////////////
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//
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// OzoneCPU Simulation Object
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//
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BEGIN_DECLARE_SIM_OBJECT_PARAMS(DerivOzoneCPU)
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Param<int> clock;
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Param<int> numThreads;
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#if FULL_SYSTEM
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SimObjectParam<System *> system;
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Param<int> cpu_id;
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SimObjectParam<AlphaITB *> itb;
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SimObjectParam<AlphaDTB *> dtb;
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#else
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SimObjectVectorParam<Process *> workload;
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//SimObjectParam<PageTable *> page_table;
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#endif // FULL_SYSTEM
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SimObjectParam<FunctionalMemory *> mem;
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Param<Counter> max_insts_any_thread;
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Param<Counter> max_insts_all_threads;
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Param<Counter> max_loads_any_thread;
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Param<Counter> max_loads_all_threads;
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SimObjectParam<BaseCache *> icache;
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SimObjectParam<BaseCache *> dcache;
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Param<unsigned> cachePorts;
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Param<unsigned> width;
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Param<unsigned> frontEndWidth;
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Param<unsigned> backEndWidth;
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Param<unsigned> backEndSquashLatency;
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Param<unsigned> backEndLatency;
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Param<unsigned> maxInstBufferSize;
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Param<unsigned> numPhysicalRegs;
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Param<unsigned> decodeToFetchDelay;
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Param<unsigned> renameToFetchDelay;
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Param<unsigned> iewToFetchDelay;
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Param<unsigned> commitToFetchDelay;
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Param<unsigned> fetchWidth;
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Param<unsigned> renameToDecodeDelay;
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Param<unsigned> iewToDecodeDelay;
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Param<unsigned> commitToDecodeDelay;
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Param<unsigned> fetchToDecodeDelay;
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Param<unsigned> decodeWidth;
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Param<unsigned> iewToRenameDelay;
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Param<unsigned> commitToRenameDelay;
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Param<unsigned> decodeToRenameDelay;
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Param<unsigned> renameWidth;
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Param<unsigned> commitToIEWDelay;
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Param<unsigned> renameToIEWDelay;
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Param<unsigned> issueToExecuteDelay;
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Param<unsigned> issueWidth;
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Param<unsigned> executeWidth;
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Param<unsigned> executeIntWidth;
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Param<unsigned> executeFloatWidth;
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Param<unsigned> executeBranchWidth;
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Param<unsigned> executeMemoryWidth;
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Param<unsigned> iewToCommitDelay;
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Param<unsigned> renameToROBDelay;
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Param<unsigned> commitWidth;
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Param<unsigned> squashWidth;
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Param<unsigned> localPredictorSize;
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Param<unsigned> localCtrBits;
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Param<unsigned> localHistoryTableSize;
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Param<unsigned> localHistoryBits;
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Param<unsigned> globalPredictorSize;
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Param<unsigned> globalCtrBits;
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Param<unsigned> globalHistoryBits;
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Param<unsigned> choicePredictorSize;
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Param<unsigned> choiceCtrBits;
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Param<unsigned> BTBEntries;
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Param<unsigned> BTBTagSize;
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Param<unsigned> RASSize;
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Param<unsigned> LQEntries;
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Param<unsigned> SQEntries;
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Param<unsigned> LFSTSize;
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Param<unsigned> SSITSize;
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Param<unsigned> numPhysIntRegs;
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Param<unsigned> numPhysFloatRegs;
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Param<unsigned> numIQEntries;
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Param<unsigned> numROBEntries;
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Param<bool> decoupledFrontEnd;
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Param<int> dispatchWidth;
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Param<int> wbWidth;
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Param<unsigned> smtNumFetchingThreads;
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Param<std::string> smtFetchPolicy;
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Param<std::string> smtLSQPolicy;
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Param<unsigned> smtLSQThreshold;
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Param<std::string> smtIQPolicy;
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Param<unsigned> smtIQThreshold;
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Param<std::string> smtROBPolicy;
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Param<unsigned> smtROBThreshold;
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Param<std::string> smtCommitPolicy;
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Param<unsigned> instShiftAmt;
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Param<bool> defer_registration;
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Param<bool> function_trace;
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Param<Tick> function_trace_start;
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END_DECLARE_SIM_OBJECT_PARAMS(DerivOzoneCPU)
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BEGIN_INIT_SIM_OBJECT_PARAMS(DerivOzoneCPU)
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INIT_PARAM(clock, "clock speed"),
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INIT_PARAM(numThreads, "number of HW thread contexts"),
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#if FULL_SYSTEM
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INIT_PARAM(system, "System object"),
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INIT_PARAM(cpu_id, "processor ID"),
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INIT_PARAM(itb, "Instruction translation buffer"),
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INIT_PARAM(dtb, "Data translation buffer"),
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#else
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INIT_PARAM(workload, "Processes to run"),
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// INIT_PARAM(page_table, "Page table"),
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#endif // FULL_SYSTEM
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INIT_PARAM_DFLT(mem, "Memory", NULL),
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INIT_PARAM_DFLT(max_insts_any_thread,
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"Terminate when any thread reaches this inst count",
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0),
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INIT_PARAM_DFLT(max_insts_all_threads,
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"Terminate when all threads have reached"
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"this inst count",
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0),
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INIT_PARAM_DFLT(max_loads_any_thread,
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"Terminate when any thread reaches this load count",
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0),
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INIT_PARAM_DFLT(max_loads_all_threads,
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"Terminate when all threads have reached this load"
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"count",
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0),
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INIT_PARAM_DFLT(icache, "L1 instruction cache", NULL),
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INIT_PARAM_DFLT(dcache, "L1 data cache", NULL),
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INIT_PARAM_DFLT(cachePorts, "Cache Ports", 200),
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INIT_PARAM_DFLT(width, "Width", 1),
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INIT_PARAM_DFLT(frontEndWidth, "Front end width", 1),
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INIT_PARAM_DFLT(backEndWidth, "Back end width", 1),
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INIT_PARAM_DFLT(backEndSquashLatency, "Back end squash latency", 1),
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INIT_PARAM_DFLT(backEndLatency, "Back end latency", 1),
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INIT_PARAM_DFLT(maxInstBufferSize, "Maximum instruction buffer size", 16),
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INIT_PARAM(numPhysicalRegs, "Number of physical registers"),
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INIT_PARAM(decodeToFetchDelay, "Decode to fetch delay"),
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INIT_PARAM(renameToFetchDelay, "Rename to fetch delay"),
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INIT_PARAM(iewToFetchDelay, "Issue/Execute/Writeback to fetch"
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"delay"),
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INIT_PARAM(commitToFetchDelay, "Commit to fetch delay"),
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INIT_PARAM(fetchWidth, "Fetch width"),
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INIT_PARAM(renameToDecodeDelay, "Rename to decode delay"),
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INIT_PARAM(iewToDecodeDelay, "Issue/Execute/Writeback to decode"
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"delay"),
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INIT_PARAM(commitToDecodeDelay, "Commit to decode delay"),
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INIT_PARAM(fetchToDecodeDelay, "Fetch to decode delay"),
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INIT_PARAM(decodeWidth, "Decode width"),
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INIT_PARAM(iewToRenameDelay, "Issue/Execute/Writeback to rename"
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"delay"),
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INIT_PARAM(commitToRenameDelay, "Commit to rename delay"),
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INIT_PARAM(decodeToRenameDelay, "Decode to rename delay"),
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INIT_PARAM(renameWidth, "Rename width"),
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INIT_PARAM(commitToIEWDelay, "Commit to "
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"Issue/Execute/Writeback delay"),
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INIT_PARAM(renameToIEWDelay, "Rename to "
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"Issue/Execute/Writeback delay"),
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INIT_PARAM(issueToExecuteDelay, "Issue to execute delay (internal"
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"to the IEW stage)"),
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INIT_PARAM(issueWidth, "Issue width"),
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INIT_PARAM(executeWidth, "Execute width"),
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INIT_PARAM(executeIntWidth, "Integer execute width"),
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INIT_PARAM(executeFloatWidth, "Floating point execute width"),
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INIT_PARAM(executeBranchWidth, "Branch execute width"),
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INIT_PARAM(executeMemoryWidth, "Memory execute width"),
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INIT_PARAM(iewToCommitDelay, "Issue/Execute/Writeback to commit "
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"delay"),
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INIT_PARAM(renameToROBDelay, "Rename to reorder buffer delay"),
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INIT_PARAM(commitWidth, "Commit width"),
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INIT_PARAM(squashWidth, "Squash width"),
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INIT_PARAM(localPredictorSize, "Size of local predictor"),
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INIT_PARAM(localCtrBits, "Bits per counter"),
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INIT_PARAM(localHistoryTableSize, "Size of local history table"),
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INIT_PARAM(localHistoryBits, "Bits for the local history"),
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INIT_PARAM(globalPredictorSize, "Size of global predictor"),
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INIT_PARAM(globalCtrBits, "Bits per counter"),
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INIT_PARAM(globalHistoryBits, "Bits of history"),
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INIT_PARAM(choicePredictorSize, "Size of choice predictor"),
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INIT_PARAM(choiceCtrBits, "Bits of choice counters"),
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INIT_PARAM(BTBEntries, "Number of BTB entries"),
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INIT_PARAM(BTBTagSize, "Size of the BTB tags, in bits"),
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INIT_PARAM(RASSize, "RAS size"),
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INIT_PARAM(LQEntries, "Number of load queue entries"),
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INIT_PARAM(SQEntries, "Number of store queue entries"),
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INIT_PARAM(LFSTSize, "Last fetched store table size"),
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INIT_PARAM(SSITSize, "Store set ID table size"),
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INIT_PARAM(numPhysIntRegs, "Number of physical integer registers"),
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INIT_PARAM(numPhysFloatRegs, "Number of physical floating point "
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"registers"),
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INIT_PARAM(numIQEntries, "Number of instruction queue entries"),
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INIT_PARAM(numROBEntries, "Number of reorder buffer entries"),
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INIT_PARAM_DFLT(decoupledFrontEnd, "Decoupled front end", true),
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INIT_PARAM_DFLT(dispatchWidth, "Dispatch width", 0),
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INIT_PARAM_DFLT(wbWidth, "Writeback width", 0),
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INIT_PARAM_DFLT(smtNumFetchingThreads, "SMT Number of Fetching Threads", 1),
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INIT_PARAM_DFLT(smtFetchPolicy, "SMT Fetch Policy", "SingleThread"),
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INIT_PARAM_DFLT(smtLSQPolicy, "SMT LSQ Sharing Policy", "Partitioned"),
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INIT_PARAM_DFLT(smtLSQThreshold,"SMT LSQ Threshold", 100),
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INIT_PARAM_DFLT(smtIQPolicy, "SMT IQ Policy", "Partitioned"),
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INIT_PARAM_DFLT(smtIQThreshold, "SMT IQ Threshold", 100),
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INIT_PARAM_DFLT(smtROBPolicy, "SMT ROB Sharing Policy", "Partitioned"),
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INIT_PARAM_DFLT(smtROBThreshold,"SMT ROB Threshold", 100),
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INIT_PARAM_DFLT(smtCommitPolicy,"SMT Commit Fetch Policy", "RoundRobin"),
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INIT_PARAM(instShiftAmt, "Number of bits to shift instructions by"),
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INIT_PARAM(defer_registration, "defer system registration (for sampling)"),
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INIT_PARAM(function_trace, "Enable function trace"),
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INIT_PARAM(function_trace_start, "Cycle to start function trace")
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END_INIT_SIM_OBJECT_PARAMS(DerivOzoneCPU)
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CREATE_SIM_OBJECT(DerivOzoneCPU)
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{
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DerivOzoneCPU *cpu;
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#if FULL_SYSTEM
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// Full-system only supports a single thread for the moment.
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int actual_num_threads = 1;
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#else
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// In non-full-system mode, we infer the number of threads from
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// the workload if it's not explicitly specified.
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int actual_num_threads =
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numThreads.isValid() ? numThreads : workload.size();
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if (workload.size() == 0) {
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fatal("Must specify at least one workload!");
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}
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#endif
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SimpleParams *params = new SimpleParams;
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params->clock = clock;
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params->name = getInstanceName();
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params->numberOfThreads = actual_num_threads;
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#if FULL_SYSTEM
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params->system = system;
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params->cpu_id = cpu_id;
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params->itb = itb;
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params->dtb = dtb;
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#else
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params->workload = workload;
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// params->pTable = page_table;
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#endif // FULL_SYSTEM
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params->mem = mem;
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params->max_insts_any_thread = max_insts_any_thread;
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params->max_insts_all_threads = max_insts_all_threads;
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params->max_loads_any_thread = max_loads_any_thread;
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params->max_loads_all_threads = max_loads_all_threads;
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//
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// Caches
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//
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params->icacheInterface = icache ? icache->getInterface() : NULL;
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params->dcacheInterface = dcache ? dcache->getInterface() : NULL;
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params->cachePorts = cachePorts;
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params->width = width;
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params->frontEndWidth = frontEndWidth;
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params->backEndWidth = backEndWidth;
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params->backEndSquashLatency = backEndSquashLatency;
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params->backEndLatency = backEndLatency;
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params->maxInstBufferSize = maxInstBufferSize;
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params->numPhysicalRegs = numPhysIntRegs + numPhysFloatRegs;
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params->decodeToFetchDelay = decodeToFetchDelay;
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params->renameToFetchDelay = renameToFetchDelay;
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params->iewToFetchDelay = iewToFetchDelay;
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params->commitToFetchDelay = commitToFetchDelay;
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params->fetchWidth = fetchWidth;
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params->renameToDecodeDelay = renameToDecodeDelay;
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params->iewToDecodeDelay = iewToDecodeDelay;
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params->commitToDecodeDelay = commitToDecodeDelay;
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params->fetchToDecodeDelay = fetchToDecodeDelay;
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params->decodeWidth = decodeWidth;
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params->iewToRenameDelay = iewToRenameDelay;
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params->commitToRenameDelay = commitToRenameDelay;
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params->decodeToRenameDelay = decodeToRenameDelay;
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params->renameWidth = renameWidth;
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params->commitToIEWDelay = commitToIEWDelay;
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params->renameToIEWDelay = renameToIEWDelay;
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params->issueToExecuteDelay = issueToExecuteDelay;
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params->issueWidth = issueWidth;
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params->executeWidth = executeWidth;
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params->executeIntWidth = executeIntWidth;
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params->executeFloatWidth = executeFloatWidth;
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params->executeBranchWidth = executeBranchWidth;
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params->executeMemoryWidth = executeMemoryWidth;
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params->iewToCommitDelay = iewToCommitDelay;
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params->renameToROBDelay = renameToROBDelay;
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params->commitWidth = commitWidth;
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params->squashWidth = squashWidth;
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params->localPredictorSize = localPredictorSize;
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params->localCtrBits = localCtrBits;
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params->localHistoryTableSize = localHistoryTableSize;
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params->localHistoryBits = localHistoryBits;
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params->globalPredictorSize = globalPredictorSize;
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params->globalCtrBits = globalCtrBits;
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params->globalHistoryBits = globalHistoryBits;
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params->choicePredictorSize = choicePredictorSize;
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params->choiceCtrBits = choiceCtrBits;
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params->BTBEntries = BTBEntries;
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params->BTBTagSize = BTBTagSize;
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params->RASSize = RASSize;
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params->LQEntries = LQEntries;
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params->SQEntries = SQEntries;
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params->SSITSize = SSITSize;
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params->LFSTSize = LFSTSize;
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params->numPhysIntRegs = numPhysIntRegs;
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params->numPhysFloatRegs = numPhysFloatRegs;
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params->numIQEntries = numIQEntries;
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params->numROBEntries = numROBEntries;
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params->decoupledFrontEnd = decoupledFrontEnd;
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params->dispatchWidth = dispatchWidth;
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params->wbWidth = wbWidth;
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params->smtNumFetchingThreads = smtNumFetchingThreads;
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params->smtFetchPolicy = smtFetchPolicy;
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params->smtIQPolicy = smtIQPolicy;
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params->smtLSQPolicy = smtLSQPolicy;
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params->smtLSQThreshold = smtLSQThreshold;
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params->smtROBPolicy = smtROBPolicy;
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params->smtROBThreshold = smtROBThreshold;
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params->smtCommitPolicy = smtCommitPolicy;
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params->instShiftAmt = 2;
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params->deferRegistration = defer_registration;
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params->functionTrace = function_trace;
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params->functionTraceStart = function_trace_start;
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cpu = new DerivOzoneCPU(params);
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return cpu;
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}
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REGISTER_SIM_OBJECT("DerivOzoneCPU", DerivOzoneCPU)
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////////////////////////////////////////////////////////////////////////
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//
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// OzoneCPU Simulation Object
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//
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BEGIN_DECLARE_SIM_OBJECT_PARAMS(SimpleOzoneCPU)
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Param<int> clock;
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Param<int> numThreads;
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#if FULL_SYSTEM
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SimObjectParam<System *> system;
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Param<int> cpu_id;
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SimObjectParam<AlphaITB *> itb;
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SimObjectParam<AlphaDTB *> dtb;
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#else
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SimObjectVectorParam<Process *> workload;
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//SimObjectParam<PageTable *> page_table;
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#endif // FULL_SYSTEM
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SimObjectParam<FunctionalMemory *> mem;
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Param<Counter> max_insts_any_thread;
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Param<Counter> max_insts_all_threads;
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Param<Counter> max_loads_any_thread;
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Param<Counter> max_loads_all_threads;
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SimObjectParam<BaseCache *> icache;
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SimObjectParam<BaseCache *> dcache;
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Param<unsigned> cachePorts;
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Param<unsigned> width;
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Param<unsigned> frontEndWidth;
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Param<unsigned> backEndWidth;
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Param<unsigned> backEndSquashLatency;
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Param<unsigned> backEndLatency;
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Param<unsigned> maxInstBufferSize;
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Param<unsigned> numPhysicalRegs;
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Param<unsigned> decodeToFetchDelay;
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Param<unsigned> renameToFetchDelay;
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Param<unsigned> iewToFetchDelay;
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Param<unsigned> commitToFetchDelay;
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Param<unsigned> fetchWidth;
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Param<unsigned> renameToDecodeDelay;
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Param<unsigned> iewToDecodeDelay;
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Param<unsigned> commitToDecodeDelay;
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Param<unsigned> fetchToDecodeDelay;
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Param<unsigned> decodeWidth;
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Param<unsigned> iewToRenameDelay;
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Param<unsigned> commitToRenameDelay;
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Param<unsigned> decodeToRenameDelay;
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Param<unsigned> renameWidth;
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Param<unsigned> commitToIEWDelay;
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Param<unsigned> renameToIEWDelay;
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Param<unsigned> issueToExecuteDelay;
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Param<unsigned> issueWidth;
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Param<unsigned> executeWidth;
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Param<unsigned> executeIntWidth;
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Param<unsigned> executeFloatWidth;
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Param<unsigned> executeBranchWidth;
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Param<unsigned> executeMemoryWidth;
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Param<unsigned> iewToCommitDelay;
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Param<unsigned> renameToROBDelay;
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Param<unsigned> commitWidth;
|
|
Param<unsigned> squashWidth;
|
|
|
|
Param<unsigned> localPredictorSize;
|
|
Param<unsigned> localCtrBits;
|
|
Param<unsigned> localHistoryTableSize;
|
|
Param<unsigned> localHistoryBits;
|
|
Param<unsigned> globalPredictorSize;
|
|
Param<unsigned> globalCtrBits;
|
|
Param<unsigned> globalHistoryBits;
|
|
Param<unsigned> choicePredictorSize;
|
|
Param<unsigned> choiceCtrBits;
|
|
|
|
Param<unsigned> BTBEntries;
|
|
Param<unsigned> BTBTagSize;
|
|
|
|
Param<unsigned> RASSize;
|
|
|
|
Param<unsigned> LQEntries;
|
|
Param<unsigned> SQEntries;
|
|
Param<unsigned> LFSTSize;
|
|
Param<unsigned> SSITSize;
|
|
|
|
Param<unsigned> numPhysIntRegs;
|
|
Param<unsigned> numPhysFloatRegs;
|
|
Param<unsigned> numIQEntries;
|
|
Param<unsigned> numROBEntries;
|
|
|
|
Param<bool> decoupledFrontEnd;
|
|
Param<int> dispatchWidth;
|
|
Param<int> wbWidth;
|
|
|
|
Param<unsigned> smtNumFetchingThreads;
|
|
Param<std::string> smtFetchPolicy;
|
|
Param<std::string> smtLSQPolicy;
|
|
Param<unsigned> smtLSQThreshold;
|
|
Param<std::string> smtIQPolicy;
|
|
Param<unsigned> smtIQThreshold;
|
|
Param<std::string> smtROBPolicy;
|
|
Param<unsigned> smtROBThreshold;
|
|
Param<std::string> smtCommitPolicy;
|
|
|
|
Param<unsigned> instShiftAmt;
|
|
|
|
Param<bool> defer_registration;
|
|
|
|
Param<bool> function_trace;
|
|
Param<Tick> function_trace_start;
|
|
|
|
END_DECLARE_SIM_OBJECT_PARAMS(SimpleOzoneCPU)
|
|
|
|
BEGIN_INIT_SIM_OBJECT_PARAMS(SimpleOzoneCPU)
|
|
|
|
INIT_PARAM(clock, "clock speed"),
|
|
INIT_PARAM(numThreads, "number of HW thread contexts"),
|
|
|
|
#if FULL_SYSTEM
|
|
INIT_PARAM(system, "System object"),
|
|
INIT_PARAM(cpu_id, "processor ID"),
|
|
INIT_PARAM(itb, "Instruction translation buffer"),
|
|
INIT_PARAM(dtb, "Data translation buffer"),
|
|
#else
|
|
INIT_PARAM(workload, "Processes to run"),
|
|
// INIT_PARAM(page_table, "Page table"),
|
|
#endif // FULL_SYSTEM
|
|
|
|
INIT_PARAM_DFLT(mem, "Memory", NULL),
|
|
|
|
INIT_PARAM_DFLT(max_insts_any_thread,
|
|
"Terminate when any thread reaches this inst count",
|
|
0),
|
|
INIT_PARAM_DFLT(max_insts_all_threads,
|
|
"Terminate when all threads have reached"
|
|
"this inst count",
|
|
0),
|
|
INIT_PARAM_DFLT(max_loads_any_thread,
|
|
"Terminate when any thread reaches this load count",
|
|
0),
|
|
INIT_PARAM_DFLT(max_loads_all_threads,
|
|
"Terminate when all threads have reached this load"
|
|
"count",
|
|
0),
|
|
|
|
INIT_PARAM_DFLT(icache, "L1 instruction cache", NULL),
|
|
INIT_PARAM_DFLT(dcache, "L1 data cache", NULL),
|
|
|
|
INIT_PARAM_DFLT(cachePorts, "Cache Ports", 200),
|
|
INIT_PARAM_DFLT(width, "Width", 1),
|
|
INIT_PARAM_DFLT(frontEndWidth, "Front end width", 1),
|
|
INIT_PARAM_DFLT(backEndWidth, "Back end width", 1),
|
|
INIT_PARAM_DFLT(backEndSquashLatency, "Back end squash latency", 1),
|
|
INIT_PARAM_DFLT(backEndLatency, "Back end latency", 1),
|
|
INIT_PARAM_DFLT(maxInstBufferSize, "Maximum instruction buffer size", 16),
|
|
INIT_PARAM(numPhysicalRegs, "Number of physical registers"),
|
|
|
|
INIT_PARAM(decodeToFetchDelay, "Decode to fetch delay"),
|
|
INIT_PARAM(renameToFetchDelay, "Rename to fetch delay"),
|
|
INIT_PARAM(iewToFetchDelay, "Issue/Execute/Writeback to fetch"
|
|
"delay"),
|
|
INIT_PARAM(commitToFetchDelay, "Commit to fetch delay"),
|
|
INIT_PARAM(fetchWidth, "Fetch width"),
|
|
INIT_PARAM(renameToDecodeDelay, "Rename to decode delay"),
|
|
INIT_PARAM(iewToDecodeDelay, "Issue/Execute/Writeback to decode"
|
|
"delay"),
|
|
INIT_PARAM(commitToDecodeDelay, "Commit to decode delay"),
|
|
INIT_PARAM(fetchToDecodeDelay, "Fetch to decode delay"),
|
|
INIT_PARAM(decodeWidth, "Decode width"),
|
|
|
|
INIT_PARAM(iewToRenameDelay, "Issue/Execute/Writeback to rename"
|
|
"delay"),
|
|
INIT_PARAM(commitToRenameDelay, "Commit to rename delay"),
|
|
INIT_PARAM(decodeToRenameDelay, "Decode to rename delay"),
|
|
INIT_PARAM(renameWidth, "Rename width"),
|
|
|
|
INIT_PARAM(commitToIEWDelay, "Commit to "
|
|
"Issue/Execute/Writeback delay"),
|
|
INIT_PARAM(renameToIEWDelay, "Rename to "
|
|
"Issue/Execute/Writeback delay"),
|
|
INIT_PARAM(issueToExecuteDelay, "Issue to execute delay (internal"
|
|
"to the IEW stage)"),
|
|
INIT_PARAM(issueWidth, "Issue width"),
|
|
INIT_PARAM(executeWidth, "Execute width"),
|
|
INIT_PARAM(executeIntWidth, "Integer execute width"),
|
|
INIT_PARAM(executeFloatWidth, "Floating point execute width"),
|
|
INIT_PARAM(executeBranchWidth, "Branch execute width"),
|
|
INIT_PARAM(executeMemoryWidth, "Memory execute width"),
|
|
|
|
INIT_PARAM(iewToCommitDelay, "Issue/Execute/Writeback to commit "
|
|
"delay"),
|
|
INIT_PARAM(renameToROBDelay, "Rename to reorder buffer delay"),
|
|
INIT_PARAM(commitWidth, "Commit width"),
|
|
INIT_PARAM(squashWidth, "Squash width"),
|
|
|
|
INIT_PARAM(localPredictorSize, "Size of local predictor"),
|
|
INIT_PARAM(localCtrBits, "Bits per counter"),
|
|
INIT_PARAM(localHistoryTableSize, "Size of local history table"),
|
|
INIT_PARAM(localHistoryBits, "Bits for the local history"),
|
|
INIT_PARAM(globalPredictorSize, "Size of global predictor"),
|
|
INIT_PARAM(globalCtrBits, "Bits per counter"),
|
|
INIT_PARAM(globalHistoryBits, "Bits of history"),
|
|
INIT_PARAM(choicePredictorSize, "Size of choice predictor"),
|
|
INIT_PARAM(choiceCtrBits, "Bits of choice counters"),
|
|
|
|
INIT_PARAM(BTBEntries, "Number of BTB entries"),
|
|
INIT_PARAM(BTBTagSize, "Size of the BTB tags, in bits"),
|
|
|
|
INIT_PARAM(RASSize, "RAS size"),
|
|
|
|
INIT_PARAM(LQEntries, "Number of load queue entries"),
|
|
INIT_PARAM(SQEntries, "Number of store queue entries"),
|
|
INIT_PARAM(LFSTSize, "Last fetched store table size"),
|
|
INIT_PARAM(SSITSize, "Store set ID table size"),
|
|
|
|
INIT_PARAM(numPhysIntRegs, "Number of physical integer registers"),
|
|
INIT_PARAM(numPhysFloatRegs, "Number of physical floating point "
|
|
"registers"),
|
|
INIT_PARAM(numIQEntries, "Number of instruction queue entries"),
|
|
INIT_PARAM(numROBEntries, "Number of reorder buffer entries"),
|
|
|
|
INIT_PARAM_DFLT(decoupledFrontEnd, "Decoupled front end", true),
|
|
INIT_PARAM_DFLT(dispatchWidth, "Dispatch width", 0),
|
|
INIT_PARAM_DFLT(wbWidth, "Writeback width", 0),
|
|
|
|
INIT_PARAM_DFLT(smtNumFetchingThreads, "SMT Number of Fetching Threads", 1),
|
|
INIT_PARAM_DFLT(smtFetchPolicy, "SMT Fetch Policy", "SingleThread"),
|
|
INIT_PARAM_DFLT(smtLSQPolicy, "SMT LSQ Sharing Policy", "Partitioned"),
|
|
INIT_PARAM_DFLT(smtLSQThreshold,"SMT LSQ Threshold", 100),
|
|
INIT_PARAM_DFLT(smtIQPolicy, "SMT IQ Policy", "Partitioned"),
|
|
INIT_PARAM_DFLT(smtIQThreshold, "SMT IQ Threshold", 100),
|
|
INIT_PARAM_DFLT(smtROBPolicy, "SMT ROB Sharing Policy", "Partitioned"),
|
|
INIT_PARAM_DFLT(smtROBThreshold,"SMT ROB Threshold", 100),
|
|
INIT_PARAM_DFLT(smtCommitPolicy,"SMT Commit Fetch Policy", "RoundRobin"),
|
|
|
|
INIT_PARAM(instShiftAmt, "Number of bits to shift instructions by"),
|
|
INIT_PARAM(defer_registration, "defer system registration (for sampling)"),
|
|
|
|
INIT_PARAM(function_trace, "Enable function trace"),
|
|
INIT_PARAM(function_trace_start, "Cycle to start function trace")
|
|
|
|
END_INIT_SIM_OBJECT_PARAMS(SimpleOzoneCPU)
|
|
|
|
CREATE_SIM_OBJECT(SimpleOzoneCPU)
|
|
{
|
|
SimpleOzoneCPU *cpu;
|
|
|
|
#if FULL_SYSTEM
|
|
// Full-system only supports a single thread for the moment.
|
|
int actual_num_threads = 1;
|
|
#else
|
|
// In non-full-system mode, we infer the number of threads from
|
|
// the workload if it's not explicitly specified.
|
|
int actual_num_threads =
|
|
numThreads.isValid() ? numThreads : workload.size();
|
|
|
|
if (workload.size() == 0) {
|
|
fatal("Must specify at least one workload!");
|
|
}
|
|
|
|
#endif
|
|
|
|
SimpleParams *params = new SimpleParams;
|
|
|
|
params->clock = clock;
|
|
|
|
params->name = getInstanceName();
|
|
params->numberOfThreads = actual_num_threads;
|
|
|
|
#if FULL_SYSTEM
|
|
params->system = system;
|
|
params->cpu_id = cpu_id;
|
|
params->itb = itb;
|
|
params->dtb = dtb;
|
|
#else
|
|
params->workload = workload;
|
|
// params->pTable = page_table;
|
|
#endif // FULL_SYSTEM
|
|
|
|
params->mem = mem;
|
|
|
|
params->max_insts_any_thread = max_insts_any_thread;
|
|
params->max_insts_all_threads = max_insts_all_threads;
|
|
params->max_loads_any_thread = max_loads_any_thread;
|
|
params->max_loads_all_threads = max_loads_all_threads;
|
|
|
|
//
|
|
// Caches
|
|
//
|
|
params->icacheInterface = icache ? icache->getInterface() : NULL;
|
|
params->dcacheInterface = dcache ? dcache->getInterface() : NULL;
|
|
params->cachePorts = cachePorts;
|
|
|
|
params->width = width;
|
|
params->frontEndWidth = frontEndWidth;
|
|
params->backEndWidth = backEndWidth;
|
|
params->backEndSquashLatency = backEndSquashLatency;
|
|
params->backEndLatency = backEndLatency;
|
|
params->maxInstBufferSize = maxInstBufferSize;
|
|
params->numPhysicalRegs = numPhysIntRegs + numPhysFloatRegs;
|
|
|
|
params->decodeToFetchDelay = decodeToFetchDelay;
|
|
params->renameToFetchDelay = renameToFetchDelay;
|
|
params->iewToFetchDelay = iewToFetchDelay;
|
|
params->commitToFetchDelay = commitToFetchDelay;
|
|
params->fetchWidth = fetchWidth;
|
|
|
|
params->renameToDecodeDelay = renameToDecodeDelay;
|
|
params->iewToDecodeDelay = iewToDecodeDelay;
|
|
params->commitToDecodeDelay = commitToDecodeDelay;
|
|
params->fetchToDecodeDelay = fetchToDecodeDelay;
|
|
params->decodeWidth = decodeWidth;
|
|
|
|
params->iewToRenameDelay = iewToRenameDelay;
|
|
params->commitToRenameDelay = commitToRenameDelay;
|
|
params->decodeToRenameDelay = decodeToRenameDelay;
|
|
params->renameWidth = renameWidth;
|
|
|
|
params->commitToIEWDelay = commitToIEWDelay;
|
|
params->renameToIEWDelay = renameToIEWDelay;
|
|
params->issueToExecuteDelay = issueToExecuteDelay;
|
|
params->issueWidth = issueWidth;
|
|
params->executeWidth = executeWidth;
|
|
params->executeIntWidth = executeIntWidth;
|
|
params->executeFloatWidth = executeFloatWidth;
|
|
params->executeBranchWidth = executeBranchWidth;
|
|
params->executeMemoryWidth = executeMemoryWidth;
|
|
|
|
params->iewToCommitDelay = iewToCommitDelay;
|
|
params->renameToROBDelay = renameToROBDelay;
|
|
params->commitWidth = commitWidth;
|
|
params->squashWidth = squashWidth;
|
|
|
|
|
|
params->localPredictorSize = localPredictorSize;
|
|
params->localCtrBits = localCtrBits;
|
|
params->localHistoryTableSize = localHistoryTableSize;
|
|
params->localHistoryBits = localHistoryBits;
|
|
params->globalPredictorSize = globalPredictorSize;
|
|
params->globalCtrBits = globalCtrBits;
|
|
params->globalHistoryBits = globalHistoryBits;
|
|
params->choicePredictorSize = choicePredictorSize;
|
|
params->choiceCtrBits = choiceCtrBits;
|
|
|
|
params->BTBEntries = BTBEntries;
|
|
params->BTBTagSize = BTBTagSize;
|
|
|
|
params->RASSize = RASSize;
|
|
|
|
params->LQEntries = LQEntries;
|
|
params->SQEntries = SQEntries;
|
|
|
|
params->SSITSize = SSITSize;
|
|
params->LFSTSize = LFSTSize;
|
|
|
|
params->numPhysIntRegs = numPhysIntRegs;
|
|
params->numPhysFloatRegs = numPhysFloatRegs;
|
|
params->numIQEntries = numIQEntries;
|
|
params->numROBEntries = numROBEntries;
|
|
|
|
params->decoupledFrontEnd = decoupledFrontEnd;
|
|
params->dispatchWidth = dispatchWidth;
|
|
params->wbWidth = wbWidth;
|
|
|
|
params->smtNumFetchingThreads = smtNumFetchingThreads;
|
|
params->smtFetchPolicy = smtFetchPolicy;
|
|
params->smtIQPolicy = smtIQPolicy;
|
|
params->smtLSQPolicy = smtLSQPolicy;
|
|
params->smtLSQThreshold = smtLSQThreshold;
|
|
params->smtROBPolicy = smtROBPolicy;
|
|
params->smtROBThreshold = smtROBThreshold;
|
|
params->smtCommitPolicy = smtCommitPolicy;
|
|
|
|
params->instShiftAmt = 2;
|
|
|
|
params->deferRegistration = defer_registration;
|
|
|
|
params->functionTrace = function_trace;
|
|
params->functionTraceStart = function_trace_start;
|
|
|
|
cpu = new SimpleOzoneCPU(params);
|
|
|
|
return cpu;
|
|
}
|
|
|
|
REGISTER_SIM_OBJECT("SimpleOzoneCPU", SimpleOzoneCPU)
|
|
|