2f30950143
We eventually plan to replace the m5 cache hierarchy with the GEMS hierarchy, but for now we will make both live alongside eachother.
105 lines
3.7 KiB
C++
105 lines
3.7 KiB
C++
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/*
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* Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
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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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/*
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* $Id$
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*
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*/
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#ifndef SubBlock_H
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#define SubBlock_H
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#include "Global.hh"
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#include "Address.hh"
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#include "RubyConfig.hh"
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#include "DataBlock.hh"
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#include "Vector.hh"
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class SubBlock {
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public:
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// Constructors
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SubBlock() { }
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SubBlock(const Address& addr, int size);
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SubBlock(const Address& addr, const Address& logicalAddress, int size);
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// Destructor
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~SubBlock() { }
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// Public Methods
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const Address& getAddress() const { return m_address; }
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const Address& getLogicalAddress() const { return m_logicalAddress; }
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void setAddress(const Address& addr) { m_address = addr; }
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void setLogicalAddress(const Address& addr) { m_logicalAddress = addr; }
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int getSize() const { return m_data.size(); }
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void setSize(int size) { m_data.setSize(size); }
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uint8 getByte(int offset) const { return m_data[offset]; }
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void setByte(int offset, uint8 data) { m_data[offset] = data; }
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// Shorthands
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uint8 readByte() const { return getByte(0); }
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void writeByte(uint8 data) { setByte(0, data); }
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// Merging to and from DataBlocks - We only need to worry about
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// updates when we are using DataBlocks
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void mergeTo(DataBlock& data) const { if (DATA_BLOCK) { internalMergeTo(data); } }
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void mergeFrom(const DataBlock& data) { if (DATA_BLOCK) { internalMergeFrom(data); } }
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void print(ostream& out) const;
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private:
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// Private Methods
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// SubBlock(const SubBlock& obj);
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// SubBlock& operator=(const SubBlock& obj);
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// bool bytePresent(const Address& addr) { return ((addr.getAddress() >= m_address.getAddress()) && (addr.getAddress() < (m_address.getAddress()+getSize()))); }
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// uint8 getByte(const Address& addr) { return m_data[addr.getAddress() - m_address.getAddress()]; }
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void internalMergeTo(DataBlock& data) const;
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void internalMergeFrom(const DataBlock& data);
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// Data Members (m_ prefix)
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Address m_address;
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Address m_logicalAddress;
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Vector<uint> m_data;
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};
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// Output operator declaration
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ostream& operator<<(ostream& out, const SubBlock& obj);
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// ******************* Definitions *******************
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// Output operator definition
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extern inline
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ostream& operator<<(ostream& out, const SubBlock& obj)
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{
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obj.print(out);
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out << flush;
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return out;
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}
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#endif //SubBlock_H
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