118 lines
4.3 KiB
C++
118 lines
4.3 KiB
C++
/*
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* Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
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* Copyright (c) 2012 Advanced Micro Devices, Inc.
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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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#ifndef __MEM_RUBY_SYSTEM_ABSTRACT_MEMORY_CONTROL_HH__
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#define __MEM_RUBY_SYSTEM_ABSTRACT_MEMORY_CONTROL_HH__
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#include <iostream>
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#include <list>
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#include <string>
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#include "mem/protocol/MemoryControlRequestType.hh"
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#include "mem/ruby/common/Consumer.hh"
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#include "mem/ruby/slicc_interface/Message.hh"
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#include "mem/ruby/system/MemoryNode.hh"
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#include "params/MemoryControl.hh"
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#include "sim/clocked_object.hh"
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//////////////////////////////////////////////////////////////////////////////
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class MemoryControl : public ClockedObject, public Consumer
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{
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public:
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typedef MemoryControlParams Params;
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const Params *params() const
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{ return dynamic_cast<const Params *>(_params); }
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MemoryControl(const Params *p);
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virtual void init() = 0;
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virtual void reset() = 0;
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~MemoryControl();
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virtual void wakeup() = 0;
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virtual void setConsumer(Consumer* consumer_ptr) = 0;
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virtual Consumer* getConsumer() = 0;
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virtual void setClockObj(ClockedObject* consumer_ptr) {}
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virtual void setDescription(const std::string& name) = 0;
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virtual std::string getDescription() = 0;
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// Called from the directory:
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virtual void enqueue(const MsgPtr& message, Cycles latency) = 0;
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virtual void enqueueMemRef(MemoryNode& memRef) = 0;
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virtual void dequeue() = 0;
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virtual const Message* peek() = 0;
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virtual MemoryNode peekNode() = 0;
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virtual bool isReady() = 0;
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virtual bool areNSlotsAvailable(int n) = 0; // infinite queue length
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virtual void print(std::ostream& out) const = 0;
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virtual void clearStats() const = 0;
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virtual void printStats(std::ostream& out) const = 0;
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virtual void regStats() {};
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virtual const int getChannel(const physical_address_t addr) const = 0;
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virtual const int getBank(const physical_address_t addr) const = 0;
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virtual const int getRank(const physical_address_t addr) const = 0;
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virtual const int getRow(const physical_address_t addr) const = 0;
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//added by SS
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virtual int getBanksPerRank() = 0;
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virtual int getRanksPerDimm() = 0;
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virtual int getDimmsPerChannel() = 0;
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virtual void recordRequestType(MemoryControlRequestType requestType);
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virtual bool functionalReadBuffers(Packet *pkt)
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{ fatal("Functional read access not implemented!");}
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virtual uint32_t functionalWriteBuffers(Packet *pkt)
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{ fatal("Functional read access not implemented!");}
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protected:
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class MemCntrlEvent : public Event
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{
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public:
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MemCntrlEvent(MemoryControl* _mem_cntrl)
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{
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mem_cntrl = _mem_cntrl;
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}
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private:
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void process() { mem_cntrl->wakeup(); }
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MemoryControl* mem_cntrl;
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};
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MemCntrlEvent m_event;
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};
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#endif // __MEM_RUBY_SYSTEM_ABSTRACT_MEMORY_CONTROL_HH__
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