PersistentTable.hh revision 10441
16791SN/A/* 26791SN/A * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 36791SN/A * All rights reserved. 46791SN/A * 56791SN/A * Redistribution and use in source and binary forms, with or without 66791SN/A * modification, are permitted provided that the following conditions are 76791SN/A * met: redistributions of source code must retain the above copyright 86791SN/A * notice, this list of conditions and the following disclaimer; 96791SN/A * redistributions in binary form must reproduce the above copyright 106791SN/A * notice, this list of conditions and the following disclaimer in the 116791SN/A * documentation and/or other materials provided with the distribution; 126791SN/A * neither the name of the copyright holders nor the names of its 136791SN/A * contributors may be used to endorse or promote products derived from 146791SN/A * this software without specific prior written permission. 156791SN/A * 166791SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 176791SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 186791SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 196791SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 206791SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 216791SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 226791SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 236791SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 246791SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 256791SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 266791SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 276791SN/A */ 286791SN/A 2910441Snilay@cs.wisc.edu#ifndef __MEM_RUBY_STRUCTURES_PERSISTENTTABLE_HH__ 3010441Snilay@cs.wisc.edu#define __MEM_RUBY_STRUCTURES_PERSISTENTTABLE_HH__ 316791SN/A 327055SN/A#include <iostream> 337055SN/A 347455SN/A#include "base/hashmap.hh" 357039SN/A#include "mem/protocol/AccessType.hh" 367039SN/A#include "mem/ruby/common/Address.hh" 3710301Snilay@cs.wisc.edu#include "mem/ruby/common/MachineID.hh" 387039SN/A#include "mem/ruby/common/NetDest.hh" 396791SN/A 407039SN/Aclass PersistentTableEntry 417039SN/A{ 427039SN/A public: 438607SN/A PersistentTableEntry() {} 447055SN/A void print(std::ostream& out) const {} 456791SN/A 467039SN/A NetDest m_starving; 477039SN/A NetDest m_marked; 487039SN/A NetDest m_request_to_write; 496797SN/A}; 506791SN/A 517039SN/Aclass PersistentTable 527039SN/A{ 537039SN/A public: 547039SN/A // Constructors 557039SN/A PersistentTable(); 566791SN/A 577039SN/A // Destructor 587039SN/A ~PersistentTable(); 597054SN/A 607039SN/A // Public Methods 617039SN/A void persistentRequestLock(const Address& address, MachineID locker, 627039SN/A AccessType type); 637039SN/A void persistentRequestUnlock(const Address& address, MachineID unlocker); 647039SN/A bool okToIssueStarving(const Address& address, MachineID machID) const; 657039SN/A MachineID findSmallest(const Address& address) const; 667039SN/A AccessType typeOfSmallest(const Address& address) const; 677039SN/A void markEntries(const Address& address); 687039SN/A bool isLocked(const Address& addr) const; 697039SN/A int countStarvingForAddress(const Address& addr) const; 707039SN/A int countReadStarvingForAddress(const Address& addr) const; 716791SN/A 727055SN/A void print(std::ostream& out) const; 736791SN/A 747039SN/A private: 757039SN/A // Private copy constructor and assignment operator 767039SN/A PersistentTable(const PersistentTable& obj); 777039SN/A PersistentTable& operator=(const PersistentTable& obj); 786791SN/A 797039SN/A // Data Members (m_prefix) 807455SN/A typedef m5::hash_map<Address, PersistentTableEntry> AddressMap; 817455SN/A AddressMap m_map; 826791SN/A}; 836791SN/A 847055SN/Ainline std::ostream& 857055SN/Aoperator<<(std::ostream& out, const PersistentTable& obj) 866791SN/A{ 877039SN/A obj.print(out); 887055SN/A out << std::flush; 897039SN/A return out; 906791SN/A} 916791SN/A 927055SN/Ainline std::ostream& 937055SN/Aoperator<<(std::ostream& out, const PersistentTableEntry& obj) 946797SN/A{ 957039SN/A obj.print(out); 967055SN/A out << std::flush; 977039SN/A return out; 986797SN/A} 996797SN/A 10010441Snilay@cs.wisc.edu#endif // __MEM_RUBY_STRUCTURES_PERSISTENTTABLE_HH__ 101