TimerTable.hh revision 11025
12086SN/A/* 22086SN/A * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 35268Sksewell@umich.edu * All rights reserved. 42086SN/A * 52086SN/A * Redistribution and use in source and binary forms, with or without 62086SN/A * modification, are permitted provided that the following conditions are 72086SN/A * met: redistributions of source code must retain the above copyright 82086SN/A * notice, this list of conditions and the following disclaimer; 92086SN/A * redistributions in binary form must reproduce the above copyright 102086SN/A * notice, this list of conditions and the following disclaimer in the 112086SN/A * documentation and/or other materials provided with the distribution; 122086SN/A * neither the name of the copyright holders nor the names of its 132086SN/A * contributors may be used to endorse or promote products derived from 142086SN/A * this software without specific prior written permission. 152086SN/A * 162086SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 172086SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 182086SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 192086SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 202086SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 212086SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 222086SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 232086SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 242086SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 252086SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 262086SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272086SN/A */ 282665Ssaidi@eecs.umich.edu 292665Ssaidi@eecs.umich.edu#ifndef __MEM_RUBY_STRUCTURES_TIMERTABLE_HH__ 302665Ssaidi@eecs.umich.edu#define __MEM_RUBY_STRUCTURES_TIMERTABLE_HH__ 312686Sksewell@umich.edu 322086SN/A#include <cassert> 334202Sbinkertn@umich.edu#include <iostream> 342086SN/A#include <map> 354202Sbinkertn@umich.edu#include <string> 368775Sgblack@eecs.umich.edu 379022Sgblack@eecs.umich.edu#include "mem/ruby/common/Address.hh" 388758Sgblack@eecs.umich.edu#include "mem/ruby/common/Consumer.hh" 394202Sbinkertn@umich.edu 408775Sgblack@eecs.umich.educlass TimerTable 418745Sgblack@eecs.umich.edu{ 426313Sgblack@eecs.umich.edu public: 438775Sgblack@eecs.umich.edu TimerTable(); 448775Sgblack@eecs.umich.edu 458775Sgblack@eecs.umich.edu void 468758Sgblack@eecs.umich.edu setConsumer(Consumer* consumer_ptr) 478775Sgblack@eecs.umich.edu { 488758Sgblack@eecs.umich.edu assert(m_consumer_ptr == NULL); 498775Sgblack@eecs.umich.edu m_consumer_ptr = consumer_ptr; 508775Sgblack@eecs.umich.edu } 514997Sgblack@eecs.umich.edu 524202Sbinkertn@umich.edu void setClockObj(ClockedObject* obj) 538758Sgblack@eecs.umich.edu { 544997Sgblack@eecs.umich.edu assert(m_clockobj_ptr == NULL); 558745Sgblack@eecs.umich.edu m_clockobj_ptr = obj; 568775Sgblack@eecs.umich.edu } 574997Sgblack@eecs.umich.edu 585192Ssaidi@eecs.umich.edu void 598775Sgblack@eecs.umich.edu setDescription(const std::string& name) 602086SN/A { 614202Sbinkertn@umich.edu m_name = name; 624202Sbinkertn@umich.edu } 634202Sbinkertn@umich.edu 644202Sbinkertn@umich.edu bool isReady() const; 654202Sbinkertn@umich.edu Addr readyAddress() const; 664202Sbinkertn@umich.edu bool isSet(Addr address) const { return !!m_map.count(address); } 67 void set(Addr address, Cycles relative_latency); 68 void set(Addr address, uint64_t relative_latency) 69 { set(address, Cycles(relative_latency)); } 70 71 void unset(Addr address); 72 void print(std::ostream& out) const; 73 74 private: 75 void updateNext() const; 76 77 // Private copy constructor and assignment operator 78 TimerTable(const TimerTable& obj); 79 TimerTable& operator=(const TimerTable& obj); 80 81 // Data Members (m_prefix) 82 83 // use a std::map for the address map as this container is sorted 84 // and ensures a well-defined iteration order 85 typedef std::map<Addr, Cycles> AddressMap; 86 AddressMap m_map; 87 mutable bool m_next_valid; 88 mutable Cycles m_next_time; // Only valid if m_next_valid is true 89 mutable Addr m_next_address; // Only valid if m_next_valid is true 90 91 //! Object used for querying time. 92 ClockedObject* m_clockobj_ptr; 93 //! Consumer to signal a wakeup() 94 Consumer* m_consumer_ptr; 95 96 std::string m_name; 97}; 98 99inline std::ostream& 100operator<<(std::ostream& out, const TimerTable& obj) 101{ 102 obj.print(out); 103 out << std::flush; 104 return out; 105} 106 107#endif // __MEM_RUBY_STRUCTURES_TIMERTABLE_HH__ 108