DirectoryMemory.hh revision 11025:4872dbdea907
1/* 2 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29#ifndef __MEM_RUBY_STRUCTURES_DIRECTORYMEMORY_HH__ 30#define __MEM_RUBY_STRUCTURES_DIRECTORYMEMORY_HH__ 31 32#include <iostream> 33#include <string> 34 35#include "mem/protocol/DirectoryRequestType.hh" 36#include "mem/ruby/common/Address.hh" 37#include "mem/ruby/slicc_interface/AbstractEntry.hh" 38#include "params/RubyDirectoryMemory.hh" 39#include "sim/sim_object.hh" 40 41class DirectoryMemory : public SimObject 42{ 43 public: 44 typedef RubyDirectoryMemoryParams Params; 45 DirectoryMemory(const Params *p); 46 ~DirectoryMemory(); 47 48 void init(); 49 50 uint64_t mapAddressToLocalIdx(Addr address); 51 static uint64_t mapAddressToDirectoryVersion(Addr address); 52 53 uint64_t getSize() { return m_size_bytes; } 54 55 bool isPresent(Addr address); 56 AbstractEntry *lookup(Addr address); 57 AbstractEntry *allocate(Addr address, AbstractEntry* new_entry); 58 59 void print(std::ostream& out) const; 60 void recordRequestType(DirectoryRequestType requestType); 61 62 private: 63 // Private copy constructor and assignment operator 64 DirectoryMemory(const DirectoryMemory& obj); 65 DirectoryMemory& operator=(const DirectoryMemory& obj); 66 67 private: 68 const std::string m_name; 69 AbstractEntry **m_entries; 70 // int m_size; // # of memory module blocks this directory is 71 // responsible for 72 uint64_t m_size_bytes; 73 uint64_t m_size_bits; 74 uint64_t m_num_entries; 75 int m_version; 76 77 static int m_num_directories; 78 static int m_num_directories_bits; 79 static uint64_t m_total_size_bytes; 80 static int m_numa_high_bit; 81}; 82 83inline std::ostream& 84operator<<(std::ostream& out, const DirectoryMemory& obj) 85{ 86 obj.print(out); 87 out << std::flush; 88 return out; 89} 90 91#endif // __MEM_RUBY_STRUCTURES_DIRECTORYMEMORY_HH__ 92