4ec5e90c8f
cpu/ozone/front_end.hh: cpu/ozone/front_end_impl.hh: cpu/ozone/lw_back_end.hh: Support latency for Ozone FE and BE. cpu/ozone/lw_back_end_impl.hh: Support latency for Ozone FE and BE. Also fixes for switching out, profiling. cpu/ozone/lw_lsq.hh: cpu/ozone/lw_lsq_impl.hh: Fixes for switching out. cpu/ozone/simple_params.hh: Updated parameters. --HG-- extra : convert_revision : 21d4846a59a2239bfdf8fe92e47fd0972debe4f5
193 lines
4.8 KiB
C++
193 lines
4.8 KiB
C++
/*
|
|
* Copyright (c) 2006 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_OZONE_SIMPLE_PARAMS_HH__
|
|
#define __CPU_OZONE_SIMPLE_PARAMS_HH__
|
|
|
|
#include "cpu/ozone/cpu.hh"
|
|
|
|
//Forward declarations
|
|
class AlphaDTB;
|
|
class AlphaITB;
|
|
class FUPool;
|
|
class FunctionalMemory;
|
|
class MemInterface;
|
|
class PageTable;
|
|
class Process;
|
|
class System;
|
|
|
|
/**
|
|
* This file defines the parameters that will be used for the OzoneCPU.
|
|
* 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 SimpleParams : public BaseCPU::Params
|
|
{
|
|
public:
|
|
|
|
#if FULL_SYSTEM
|
|
AlphaITB *itb; AlphaDTB *dtb;
|
|
#else
|
|
std::vector<Process *> workload;
|
|
#endif // FULL_SYSTEM
|
|
|
|
//Page Table
|
|
PageTable *pTable;
|
|
|
|
FunctionalMemory *mem;
|
|
|
|
//
|
|
// Caches
|
|
//
|
|
MemInterface *icacheInterface;
|
|
MemInterface *dcacheInterface;
|
|
|
|
unsigned cachePorts;
|
|
unsigned width;
|
|
unsigned frontEndLatency;
|
|
unsigned frontEndWidth;
|
|
unsigned backEndLatency;
|
|
unsigned backEndWidth;
|
|
unsigned backEndSquashLatency;
|
|
unsigned maxInstBufferSize;
|
|
unsigned numPhysicalRegs;
|
|
unsigned maxOutstandingMemOps;
|
|
//
|
|
// 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;
|
|
FUPool *fuPool;
|
|
|
|
//
|
|
// Commit
|
|
//
|
|
unsigned iewToCommitDelay;
|
|
unsigned renameToROBDelay;
|
|
unsigned commitWidth;
|
|
unsigned squashWidth;
|
|
|
|
//
|
|
// Branch predictor (BP & BTB)
|
|
//
|
|
std::string predType;
|
|
unsigned localPredictorSize;
|
|
unsigned localCtrBits;
|
|
unsigned localHistoryTableSize;
|
|
unsigned localHistoryBits;
|
|
unsigned globalPredictorSize;
|
|
unsigned globalCtrBits;
|
|
unsigned globalHistoryBits;
|
|
unsigned choicePredictorSize;
|
|
unsigned choiceCtrBits;
|
|
|
|
unsigned BTBEntries;
|
|
unsigned BTBTagSize;
|
|
|
|
unsigned RASSize;
|
|
|
|
//
|
|
// Load store queue
|
|
//
|
|
unsigned LQEntries;
|
|
unsigned SQEntries;
|
|
bool lsqLimits;
|
|
|
|
//
|
|
// Memory dependence
|
|
//
|
|
unsigned SSITSize;
|
|
unsigned LFSTSize;
|
|
|
|
//
|
|
// Miscellaneous
|
|
//
|
|
unsigned numPhysIntRegs;
|
|
unsigned numPhysFloatRegs;
|
|
unsigned numIQEntries;
|
|
unsigned numROBEntries;
|
|
|
|
bool decoupledFrontEnd;
|
|
int dispatchWidth;
|
|
int wbWidth;
|
|
|
|
//SMT Parameters
|
|
unsigned smtNumFetchingThreads;
|
|
|
|
std::string smtFetchPolicy;
|
|
|
|
std::string smtIQPolicy;
|
|
unsigned smtIQThreshold;
|
|
|
|
std::string smtLSQPolicy;
|
|
unsigned smtLSQThreshold;
|
|
|
|
std::string smtCommitPolicy;
|
|
|
|
std::string smtROBPolicy;
|
|
unsigned smtROBThreshold;
|
|
|
|
// Probably can get this from somewhere.
|
|
unsigned instShiftAmt;
|
|
};
|
|
|
|
#endif // __CPU_OZONE_SIMPLE_PARAMS_HH__
|