165 lines
3.2 KiB
C++
165 lines
3.2 KiB
C++
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#ifndef __CPU_OZONE_SIMPLE_PARAMS_HH__
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#define __CPU_OZONE_SIMPLE_PARAMS_HH__
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#include "cpu/ozone/cpu.hh"
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//Forward declarations
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class AlphaDTB;
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class AlphaITB;
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class FUPool;
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class FunctionalMemory;
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class MemInterface;
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class PageTable;
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class Process;
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class System;
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/**
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* This file defines the parameters that will be used for the OzoneCPU.
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* This must be defined externally so that the Impl can have a params class
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* defined that it can pass to all of the individual stages.
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*/
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class SimpleParams : public BaseCPU::Params
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{
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public:
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#if FULL_SYSTEM
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AlphaITB *itb; AlphaDTB *dtb;
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#else
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std::vector<Process *> workload;
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// Process *process;
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#endif // FULL_SYSTEM
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//Page Table
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PageTable *pTable;
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FunctionalMemory *mem;
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//
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// Caches
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//
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MemInterface *icacheInterface;
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MemInterface *dcacheInterface;
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unsigned cachePorts;
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unsigned width;
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unsigned frontEndWidth;
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unsigned backEndWidth;
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unsigned backEndSquashLatency;
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unsigned backEndLatency;
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unsigned maxInstBufferSize;
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unsigned numPhysicalRegs;
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//
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// Fetch
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//
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unsigned decodeToFetchDelay;
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unsigned renameToFetchDelay;
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unsigned iewToFetchDelay;
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unsigned commitToFetchDelay;
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unsigned fetchWidth;
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//
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// Decode
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//
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unsigned renameToDecodeDelay;
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unsigned iewToDecodeDelay;
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unsigned commitToDecodeDelay;
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unsigned fetchToDecodeDelay;
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unsigned decodeWidth;
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//
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// Rename
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//
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unsigned iewToRenameDelay;
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unsigned commitToRenameDelay;
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unsigned decodeToRenameDelay;
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unsigned renameWidth;
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//
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// IEW
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//
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unsigned commitToIEWDelay;
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unsigned renameToIEWDelay;
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unsigned issueToExecuteDelay;
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unsigned issueWidth;
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unsigned executeWidth;
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unsigned executeIntWidth;
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unsigned executeFloatWidth;
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unsigned executeBranchWidth;
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unsigned executeMemoryWidth;
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FUPool *fuPool;
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//
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// Commit
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//
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unsigned iewToCommitDelay;
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unsigned renameToROBDelay;
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unsigned commitWidth;
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unsigned squashWidth;
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//
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// Branch predictor (BP & BTB)
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//
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unsigned localPredictorSize;
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unsigned localCtrBits;
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unsigned localHistoryTableSize;
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unsigned localHistoryBits;
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unsigned globalPredictorSize;
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unsigned globalCtrBits;
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unsigned globalHistoryBits;
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unsigned choicePredictorSize;
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unsigned choiceCtrBits;
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unsigned BTBEntries;
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unsigned BTBTagSize;
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unsigned RASSize;
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//
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// Load store queue
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//
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unsigned LQEntries;
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unsigned SQEntries;
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//
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// Memory dependence
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//
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unsigned SSITSize;
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unsigned LFSTSize;
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//
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// Miscellaneous
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//
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unsigned numPhysIntRegs;
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unsigned numPhysFloatRegs;
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unsigned numIQEntries;
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unsigned numROBEntries;
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bool decoupledFrontEnd;
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int dispatchWidth;
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int wbWidth;
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//SMT Parameters
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unsigned smtNumFetchingThreads;
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std::string smtFetchPolicy;
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std::string smtIQPolicy;
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unsigned smtIQThreshold;
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std::string smtLSQPolicy;
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unsigned smtLSQThreshold;
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std::string smtCommitPolicy;
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std::string smtROBPolicy;
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unsigned smtROBThreshold;
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// Probably can get this from somewhere.
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unsigned instShiftAmt;
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};
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#endif // __CPU_OZONE_SIMPLE_PARAMS_HH__
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