287ea1a081
This patch is a first step to using Cycles as a parameter type. The main affected modules are the CPUs and the Ruby caches. There are definitely plenty more places that are affected, but this patch serves as a starting point to making the transition. An important part of this patch is to actually enable parameters to be specified as Param.Cycles which involves some changes to params.py.
106 lines
3.1 KiB
C++
106 lines
3.1 KiB
C++
/*
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* Copyright (c) 2002-2006 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Steve Raasch
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*/
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#ifndef __CPU_FUNC_UNIT_HH__
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#define __CPU_FUNC_UNIT_HH__
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#include <bitset>
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#include <string>
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#include <vector>
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#include "cpu/op_class.hh"
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#include "params/FUDesc.hh"
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#include "params/OpDesc.hh"
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#include "sim/sim_object.hh"
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////////////////////////////////////////////////////////////////////////////
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//
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// Structures used ONLY during the initialization phase...
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//
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//
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//
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class OpDesc : public SimObject
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{
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public:
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OpClass opClass;
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Cycles opLat;
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Cycles issueLat;
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OpDesc(const OpDescParams *p)
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: SimObject(p), opClass(p->opClass), opLat(p->opLat),
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issueLat(p->issueLat) {};
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};
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class FUDesc : public SimObject
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{
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public:
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std::vector<OpDesc *> opDescList;
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unsigned number;
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FUDesc(const FUDescParams *p)
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: SimObject(p), opDescList(p->opList), number(p->count) {};
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};
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typedef std::vector<OpDesc *>::const_iterator OPDDiterator;
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typedef std::vector<FUDesc *>::const_iterator FUDDiterator;
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////////////////////////////////////////////////////////////////////////////
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//
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// The actual FU object
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//
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//
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//
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class FuncUnit
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{
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private:
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unsigned opLatencies[Num_OpClasses];
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unsigned issueLatencies[Num_OpClasses];
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std::bitset<Num_OpClasses> capabilityList;
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public:
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FuncUnit();
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FuncUnit(const FuncUnit &fu);
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std::string name;
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void addCapability(OpClass cap, unsigned oplat, unsigned issuelat);
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bool provides(OpClass capability);
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std::bitset<Num_OpClasses> capabilities();
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unsigned &opLatency(OpClass capability);
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unsigned issueLatency(OpClass capability);
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};
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#endif // __FU_POOL_HH__
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