2009-05-11 19:38:43 +02:00
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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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2009-07-07 00:49:47 +02:00
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* DirectoryMemory.hh
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2009-05-11 19:38:43 +02:00
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*
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* Description:
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*
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* $Id$
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*
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*/
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#ifndef DIRECTORYMEMORY_H
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#define DIRECTORYMEMORY_H
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2009-05-11 19:38:45 +02:00
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#include "mem/ruby/common/Global.hh"
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#include "mem/ruby/common/Address.hh"
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2009-07-07 00:49:47 +02:00
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#include "mem/ruby/system/MemoryVector.hh"
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2009-05-11 19:38:45 +02:00
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#include "mem/protocol/Directory_Entry.hh"
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2009-05-11 19:38:43 +02:00
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2009-07-07 00:49:47 +02:00
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class AbstractController;
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2009-05-11 19:38:43 +02:00
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class DirectoryMemory {
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public:
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// Constructors
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2009-07-07 00:49:47 +02:00
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DirectoryMemory(const string & name);
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void init(const vector<string> & argv);
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// DirectoryMemory(int version);
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2009-05-11 19:38:43 +02:00
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// Destructor
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~DirectoryMemory();
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2009-07-07 00:49:47 +02:00
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int mapAddressToLocalIdx(PhysAddress address);
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static int mapAddressToDirectoryVersion(PhysAddress address);
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int getSize() { return m_size_bytes; }
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2009-05-11 19:38:43 +02:00
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// Public Methods
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2009-07-07 00:49:47 +02:00
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void printConfig(ostream& out) const;
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static void printGlobalConfig(ostream & out);
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2009-05-11 19:38:43 +02:00
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bool isPresent(PhysAddress address);
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Directory_Entry& lookup(PhysAddress address);
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2009-07-07 00:49:47 +02:00
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void invalidateBlock(PhysAddress address);
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2009-05-11 19:38:43 +02:00
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void print(ostream& out) const;
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private:
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// Private Methods
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// Private copy constructor and assignment operator
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DirectoryMemory(const DirectoryMemory& obj);
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DirectoryMemory& operator=(const DirectoryMemory& obj);
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2009-07-07 00:49:47 +02:00
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private:
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const string m_name;
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AbstractController* m_controller;
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2009-05-11 19:38:43 +02:00
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// Data Members (m_ prefix)
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2009-07-07 00:49:47 +02:00
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Directory_Entry **m_entries;
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// int m_size; // # of memory module blocks this directory is responsible for
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uint32 m_size_bytes;
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uint32 m_size_bits;
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int m_num_entries;
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int m_version;
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2009-07-07 00:49:47 +02:00
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static int m_num_directories;
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static int m_num_directories_bits;
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static int m_total_size_bytes;
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MemoryVector* m_ram;
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2009-05-11 19:38:43 +02:00
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};
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// Output operator declaration
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ostream& operator<<(ostream& out, const DirectoryMemory& 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 DirectoryMemory& 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 //DIRECTORYMEMORY_H
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