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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2010-03-23 02:43:53 +01:00
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#ifndef __MEM_RUBY_SYSTEM_DIRECTORYMEMORY_HH__
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#define __MEM_RUBY_SYSTEM_DIRECTORYMEMORY_HH__
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2009-05-11 19:38:43 +02:00
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2010-04-02 20:20:32 +02:00
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#include <iostream>
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#include <string>
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2010-03-23 02:43:53 +01:00
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#include "mem/protocol/Directory_Entry.hh"
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2009-05-11 19:38:45 +02:00
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#include "mem/ruby/common/Address.hh"
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2010-03-23 02:43:53 +01:00
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#include "mem/ruby/common/Global.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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2010-03-22 05:22:21 +01:00
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#include "mem/ruby/system/SparseMemory.hh"
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2010-03-23 02:43:53 +01:00
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#include "params/RubyDirectoryMemory.hh"
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#include "sim/sim_object.hh"
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2009-05-11 19:38:43 +02:00
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2010-03-23 02:43:53 +01:00
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class DirectoryMemory : public SimObject
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{
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public:
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2010-01-30 05:29:17 +01:00
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typedef RubyDirectoryMemoryParams Params;
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DirectoryMemory(const Params *p);
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2010-03-23 02:43:53 +01:00
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~DirectoryMemory();
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void init();
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uint64 mapAddressToLocalIdx(PhysAddress address);
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static uint64 mapAddressToDirectoryVersion(PhysAddress address);
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bool isSparseImplementation() { return m_use_map; }
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uint64 getSize() { return m_size_bytes; }
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2010-04-02 20:20:32 +02:00
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void printConfig(std::ostream& out) const;
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static void printGlobalConfig(std::ostream & out);
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2010-03-23 02:43:53 +01:00
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bool isPresent(PhysAddress address);
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Directory_Entry& lookup(PhysAddress address);
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void invalidateBlock(PhysAddress address);
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2010-04-02 20:20:32 +02:00
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void print(std::ostream& out) const;
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void printStats(std::ostream& out) const;
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2010-03-23 02:43:53 +01:00
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private:
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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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private:
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2010-04-02 20:20:32 +02:00
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const std::string m_name;
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2010-03-23 02:43:53 +01:00
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Directory_Entry **m_entries;
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// int m_size; // # of memory module blocks this directory is
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// responsible for
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uint64 m_size_bytes;
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uint64 m_size_bits;
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uint64 m_num_entries;
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int m_version;
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static int m_num_directories;
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static int m_num_directories_bits;
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static uint64_t m_total_size_bytes;
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static int m_numa_high_bit;
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MemoryVector* m_ram;
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SparseMemory* m_sparseMemory;
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bool m_use_map;
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int m_map_levels;
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2009-05-11 19:38:43 +02:00
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};
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2010-04-02 20:20:32 +02:00
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inline std::ostream&
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operator<<(std::ostream& out, const DirectoryMemory& obj)
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2009-05-11 19:38:43 +02:00
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{
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2010-03-23 02:43:53 +01:00
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obj.print(out);
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2010-04-02 20:20:32 +02:00
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out << std::flush;
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2010-03-23 02:43:53 +01:00
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return out;
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2009-05-11 19:38:43 +02:00
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}
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2010-03-23 02:43:53 +01:00
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#endif // __MEM_RUBY_SYSTEM_DIRECTORYMEMORY_HH__
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