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#ifndef __ALPHA_SIMPLE_PARAMS_HH__
#define __ALPHA_SIMPLE_PARAMS_HH__
#include "cpu/beta_cpu/full_cpu.hh"
//Forward declarations
class System;
class AlphaITB;
class AlphaDTB;
class FunctionalMemory;
class Process;
class MemInterface;
/**
* This file defines the parameters that will be used for the AlphaFullCPU.
* This must be defined externally so that the Impl can have a params class
* defined that it can pass to all of the individual stages.
*/
class AlphaSimpleParams : public BaseFullCPU::Params
{
public:
#ifdef FULL_SYSTEM
AlphaITB *itb; AlphaDTB *dtb;
#else
std::vector<Process *> workload;
Process *process;
#endif // FULL_SYSTEM
FunctionalMemory *mem;
//
// Caches
//
MemInterface *icacheInterface;
MemInterface *dcacheInterface;
//
// Fetch
//
unsigned decodeToFetchDelay;
unsigned renameToFetchDelay;
unsigned iewToFetchDelay;
unsigned commitToFetchDelay;
unsigned fetchWidth;
//
// Decode
//
unsigned renameToDecodeDelay;
unsigned iewToDecodeDelay;
unsigned commitToDecodeDelay;
unsigned fetchToDecodeDelay;
unsigned decodeWidth;
//
// Rename
//
unsigned iewToRenameDelay;
unsigned commitToRenameDelay;
unsigned decodeToRenameDelay;
unsigned renameWidth;
//
// IEW
//
unsigned commitToIEWDelay;
unsigned renameToIEWDelay;
unsigned issueToExecuteDelay;
unsigned issueWidth;
unsigned executeWidth;
unsigned executeIntWidth;
unsigned executeFloatWidth;
unsigned executeBranchWidth;
unsigned executeMemoryWidth;
//
// Commit
//
unsigned iewToCommitDelay;
unsigned renameToROBDelay;
unsigned commitWidth;
unsigned squashWidth;
//
// Branch predictor (BP & BTB)
//
/*
unsigned localPredictorSize;
unsigned localPredictorCtrBits;
*/
unsigned local_predictor_size;
unsigned local_ctr_bits;
unsigned local_history_table_size;
unsigned local_history_bits;
unsigned global_predictor_size;
unsigned global_ctr_bits;
unsigned global_history_bits;
unsigned choice_predictor_size;
unsigned choice_ctr_bits;
unsigned BTBEntries;
unsigned BTBTagSize;
unsigned RASSize;
//
// Load store queue
//
unsigned LQEntries;
unsigned SQEntries;
//
// Memory dependence
//
unsigned SSITSize;
unsigned LFSTSize;
//
// Miscellaneous
//
unsigned numPhysIntRegs;
unsigned numPhysFloatRegs;
unsigned numIQEntries;
unsigned numROBEntries;
// Probably can get this from somewhere.
unsigned instShiftAmt;
bool defReg;
};
#endif
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