DirectoryMemory.hh revision 11025
16145SN/A/* 26145SN/A * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 36145SN/A * All rights reserved. 46145SN/A * 56145SN/A * Redistribution and use in source and binary forms, with or without 66145SN/A * modification, are permitted provided that the following conditions are 76145SN/A * met: redistributions of source code must retain the above copyright 86145SN/A * notice, this list of conditions and the following disclaimer; 96145SN/A * redistributions in binary form must reproduce the above copyright 106145SN/A * notice, this list of conditions and the following disclaimer in the 116145SN/A * documentation and/or other materials provided with the distribution; 126145SN/A * neither the name of the copyright holders nor the names of its 136145SN/A * contributors may be used to endorse or promote products derived from 146145SN/A * this software without specific prior written permission. 156145SN/A * 166145SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 176145SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 186145SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 196145SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 206145SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 216145SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 226145SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 236145SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 246145SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 256145SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 266145SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 276145SN/A */ 286145SN/A 2910441Snilay@cs.wisc.edu#ifndef __MEM_RUBY_STRUCTURES_DIRECTORYMEMORY_HH__ 3010441Snilay@cs.wisc.edu#define __MEM_RUBY_STRUCTURES_DIRECTORYMEMORY_HH__ 316145SN/A 327055SN/A#include <iostream> 337055SN/A#include <string> 347055SN/A 3510301Snilay@cs.wisc.edu#include "mem/protocol/DirectoryRequestType.hh" 367039SN/A#include "mem/ruby/common/Address.hh" 378644SN/A#include "mem/ruby/slicc_interface/AbstractEntry.hh" 387039SN/A#include "params/RubyDirectoryMemory.hh" 397039SN/A#include "sim/sim_object.hh" 406145SN/A 417039SN/Aclass DirectoryMemory : public SimObject 427039SN/A{ 437039SN/A public: 446876SN/A typedef RubyDirectoryMemoryParams Params; 456876SN/A DirectoryMemory(const Params *p); 467039SN/A ~DirectoryMemory(); 476145SN/A 487039SN/A void init(); 496145SN/A 5011025Snilay@cs.wisc.edu uint64_t mapAddressToLocalIdx(Addr address); 5111025Snilay@cs.wisc.edu static uint64_t mapAddressToDirectoryVersion(Addr address); 526285SN/A 5311025Snilay@cs.wisc.edu uint64_t getSize() { return m_size_bytes; } 546285SN/A 5511025Snilay@cs.wisc.edu bool isPresent(Addr address); 5611025Snilay@cs.wisc.edu AbstractEntry *lookup(Addr address); 5711025Snilay@cs.wisc.edu AbstractEntry *allocate(Addr address, AbstractEntry* new_entry); 586145SN/A 597055SN/A void print(std::ostream& out) const; 609104SN/A void recordRequestType(DirectoryRequestType requestType); 619104SN/A 627039SN/A private: 637039SN/A // Private copy constructor and assignment operator 647039SN/A DirectoryMemory(const DirectoryMemory& obj); 657039SN/A DirectoryMemory& operator=(const DirectoryMemory& obj); 666145SN/A 677039SN/A private: 687055SN/A const std::string m_name; 698644SN/A AbstractEntry **m_entries; 707039SN/A // int m_size; // # of memory module blocks this directory is 717039SN/A // responsible for 7211025Snilay@cs.wisc.edu uint64_t m_size_bytes; 7311025Snilay@cs.wisc.edu uint64_t m_size_bits; 7411025Snilay@cs.wisc.edu uint64_t m_num_entries; 757039SN/A int m_version; 766145SN/A 777039SN/A static int m_num_directories; 787039SN/A static int m_num_directories_bits; 797039SN/A static uint64_t m_total_size_bytes; 807039SN/A static int m_numa_high_bit; 816145SN/A}; 826145SN/A 837055SN/Ainline std::ostream& 847055SN/Aoperator<<(std::ostream& out, const DirectoryMemory& obj) 856145SN/A{ 867039SN/A obj.print(out); 877055SN/A out << std::flush; 887039SN/A return out; 896145SN/A} 906145SN/A 9110441Snilay@cs.wisc.edu#endif // __MEM_RUBY_STRUCTURES_DIRECTORYMEMORY_HH__ 92