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-rw-r--r--src/mem/ruby/system/DirectoryMemory.hh104
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diff --git a/src/mem/ruby/system/DirectoryMemory.hh b/src/mem/ruby/system/DirectoryMemory.hh
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-/*
- * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met: redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer;
- * redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution;
- * neither the name of the copyright holders nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef __MEM_RUBY_SYSTEM_DIRECTORYMEMORY_HH__
-#define __MEM_RUBY_SYSTEM_DIRECTORYMEMORY_HH__
-
-#include <iostream>
-#include <string>
-
-#include "mem/ruby/common/Address.hh"
-#include "mem/protocol/DirectoryRequestType.hh"
-#include "mem/ruby/slicc_interface/AbstractEntry.hh"
-#include "mem/ruby/system/MemoryVector.hh"
-#include "mem/ruby/system/SparseMemory.hh"
-#include "params/RubyDirectoryMemory.hh"
-#include "sim/sim_object.hh"
-
-class DirectoryMemory : public SimObject
-{
- public:
- typedef RubyDirectoryMemoryParams Params;
- DirectoryMemory(const Params *p);
- ~DirectoryMemory();
-
- void init();
-
- uint64 mapAddressToLocalIdx(PhysAddress address);
- static uint64 mapAddressToDirectoryVersion(PhysAddress address);
-
- bool isSparseImplementation() { return m_use_map; }
- uint64 getSize() { return m_size_bytes; }
-
- bool isPresent(PhysAddress address);
- AbstractEntry* lookup(PhysAddress address);
- AbstractEntry* allocate(const PhysAddress& address,
- AbstractEntry* new_entry);
-
- void invalidateBlock(PhysAddress address);
-
- void print(std::ostream& out) const;
- void regStats();
-
- void recordRequestType(DirectoryRequestType requestType);
-
- private:
- // Private copy constructor and assignment operator
- DirectoryMemory(const DirectoryMemory& obj);
- DirectoryMemory& operator=(const DirectoryMemory& obj);
-
- private:
- const std::string m_name;
- AbstractEntry **m_entries;
- // int m_size; // # of memory module blocks this directory is
- // responsible for
- uint64 m_size_bytes;
- uint64 m_size_bits;
- uint64 m_num_entries;
- int m_version;
-
- static int m_num_directories;
- static int m_num_directories_bits;
- static uint64_t m_total_size_bytes;
- static int m_numa_high_bit;
-
- MemoryVector* m_ram;
- SparseMemory* m_sparseMemory;
- bool m_use_map;
- int m_map_levels;
-};
-
-inline std::ostream&
-operator<<(std::ostream& out, const DirectoryMemory& obj)
-{
- obj.print(out);
- out << std::flush;
- return out;
-}
-
-#endif // __MEM_RUBY_SYSTEM_DIRECTORYMEMORY_HH__