DirectoryMemory.hh revision 8644
14776SN/A/* 26365SN/A * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 34776SN/A * All rights reserved. 44776SN/A * 54776SN/A * Redistribution and use in source and binary forms, with or without 64776SN/A * modification, are permitted provided that the following conditions are 74776SN/A * met: redistributions of source code must retain the above copyright 84776SN/A * notice, this list of conditions and the following disclaimer; 94776SN/A * redistributions in binary form must reproduce the above copyright 104776SN/A * notice, this list of conditions and the following disclaimer in the 114776SN/A * documentation and/or other materials provided with the distribution; 124776SN/A * neither the name of the copyright holders nor the names of its 134776SN/A * contributors may be used to endorse or promote products derived from 144776SN/A * this software without specific prior written permission. 154776SN/A * 164776SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 174776SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 184776SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 194776SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 204776SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 214776SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 224776SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 234776SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 244776SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 254776SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 264776SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 274776SN/A */ 286365SN/A 294776SN/A#ifndef __MEM_RUBY_SYSTEM_DIRECTORYMEMORY_HH__ 304776SN/A#define __MEM_RUBY_SYSTEM_DIRECTORYMEMORY_HH__ 316397Sgblack@eecs.umich.edu 326397Sgblack@eecs.umich.edu#include <iostream> 334776SN/A#include <string> 346216SN/A 356365SN/A#include "mem/ruby/common/Address.hh" 366419Sgblack@eecs.umich.edu#include "mem/ruby/common/Global.hh" 374776SN/A#include "mem/ruby/slicc_interface/AbstractEntry.hh" 384776SN/A#include "mem/ruby/system/MemoryVector.hh" 394776SN/A#include "mem/ruby/system/SparseMemory.hh" 406397Sgblack@eecs.umich.edu#include "params/RubyDirectoryMemory.hh" 416365SN/A#include "sim/sim_object.hh" 426365SN/A 436398Sgblack@eecs.umich.educlass DirectoryMemory : public SimObject 446398Sgblack@eecs.umich.edu{ 456398Sgblack@eecs.umich.edu public: 466398Sgblack@eecs.umich.edu typedef RubyDirectoryMemoryParams Params; 476398Sgblack@eecs.umich.edu DirectoryMemory(const Params *p); 486398Sgblack@eecs.umich.edu ~DirectoryMemory(); 496398Sgblack@eecs.umich.edu 506398Sgblack@eecs.umich.edu void init(); 516398Sgblack@eecs.umich.edu 526398Sgblack@eecs.umich.edu uint64 mapAddressToLocalIdx(PhysAddress address); 536398Sgblack@eecs.umich.edu static uint64 mapAddressToDirectoryVersion(PhysAddress address); 546398Sgblack@eecs.umich.edu 556398Sgblack@eecs.umich.edu bool isSparseImplementation() { return m_use_map; } 566398Sgblack@eecs.umich.edu uint64 getSize() { return m_size_bytes; } 576398Sgblack@eecs.umich.edu 586398Sgblack@eecs.umich.edu void printConfig(std::ostream& out) const; 596398Sgblack@eecs.umich.edu static void printGlobalConfig(std::ostream & out); 606398Sgblack@eecs.umich.edu bool isPresent(PhysAddress address); 616398Sgblack@eecs.umich.edu AbstractEntry* lookup(PhysAddress address); 626398Sgblack@eecs.umich.edu AbstractEntry* allocate(const PhysAddress& address, 636398Sgblack@eecs.umich.edu AbstractEntry* new_entry); 646398Sgblack@eecs.umich.edu 656398Sgblack@eecs.umich.edu void invalidateBlock(PhysAddress address); 666398Sgblack@eecs.umich.edu 676398Sgblack@eecs.umich.edu void print(std::ostream& out) const; 686398Sgblack@eecs.umich.edu void printStats(std::ostream& out) const; 696398Sgblack@eecs.umich.edu 706398Sgblack@eecs.umich.edu private: 716398Sgblack@eecs.umich.edu // Private copy constructor and assignment operator 726398Sgblack@eecs.umich.edu DirectoryMemory(const DirectoryMemory& obj); 736398Sgblack@eecs.umich.edu DirectoryMemory& operator=(const DirectoryMemory& obj); 746398Sgblack@eecs.umich.edu 756398Sgblack@eecs.umich.edu private: 766398Sgblack@eecs.umich.edu const std::string m_name; 776398Sgblack@eecs.umich.edu AbstractEntry **m_entries; 786398Sgblack@eecs.umich.edu // int m_size; // # of memory module blocks this directory is 796398Sgblack@eecs.umich.edu // responsible for 806398Sgblack@eecs.umich.edu uint64 m_size_bytes; 816398Sgblack@eecs.umich.edu uint64 m_size_bits; 826398Sgblack@eecs.umich.edu uint64 m_num_entries; 836398Sgblack@eecs.umich.edu int m_version; 846398Sgblack@eecs.umich.edu 856398Sgblack@eecs.umich.edu static int m_num_directories; 866398Sgblack@eecs.umich.edu static int m_num_directories_bits; 876398Sgblack@eecs.umich.edu static uint64_t m_total_size_bytes; 886398Sgblack@eecs.umich.edu static int m_numa_high_bit; 896398Sgblack@eecs.umich.edu 906398Sgblack@eecs.umich.edu MemoryVector* m_ram; 916398Sgblack@eecs.umich.edu SparseMemory* m_sparseMemory; 926419Sgblack@eecs.umich.edu bool m_use_map; 936419Sgblack@eecs.umich.edu int m_map_levels; 946398Sgblack@eecs.umich.edu}; 956419Sgblack@eecs.umich.edu 966419Sgblack@eecs.umich.eduinline std::ostream& 976419Sgblack@eecs.umich.eduoperator<<(std::ostream& out, const DirectoryMemory& obj) 986419Sgblack@eecs.umich.edu{ 996419Sgblack@eecs.umich.edu obj.print(out); 1006419Sgblack@eecs.umich.edu out << std::flush; 1016419Sgblack@eecs.umich.edu return out; 1026419Sgblack@eecs.umich.edu} 1036419Sgblack@eecs.umich.edu 1046419Sgblack@eecs.umich.edu#endif // __MEM_RUBY_SYSTEM_DIRECTORYMEMORY_HH__ 1056365SN/A