TimerTable.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_TIMERTABLE_HH__ 3010441Snilay@cs.wisc.edu#define __MEM_RUBY_STRUCTURES_TIMERTABLE_HH__ 316145SN/A 327039SN/A#include <cassert> 337055SN/A#include <iostream> 349171SN/A#include <map> 357055SN/A#include <string> 366145SN/A 376154SN/A#include "mem/ruby/common/Address.hh" 389171SN/A#include "mem/ruby/common/Consumer.hh" 396145SN/A 407039SN/Aclass TimerTable 417039SN/A{ 427039SN/A public: 437039SN/A TimerTable(); 446145SN/A 457039SN/A void 467039SN/A setConsumer(Consumer* consumer_ptr) 477039SN/A { 487039SN/A assert(m_consumer_ptr == NULL); 497039SN/A m_consumer_ptr = consumer_ptr; 507039SN/A } 516145SN/A 529465SN/A void setClockObj(ClockedObject* obj) 539465SN/A { 549465SN/A assert(m_clockobj_ptr == NULL); 559465SN/A m_clockobj_ptr = obj; 569465SN/A } 579465SN/A 587039SN/A void 597055SN/A setDescription(const std::string& name) 607039SN/A { 617039SN/A m_name = name; 627039SN/A } 636145SN/A 647039SN/A bool isReady() const; 6511025Snilay@cs.wisc.edu Addr readyAddress() const; 6611025Snilay@cs.wisc.edu bool isSet(Addr address) const { return !!m_map.count(address); } 6711025Snilay@cs.wisc.edu void set(Addr address, Cycles relative_latency); 6811025Snilay@cs.wisc.edu void set(Addr address, uint64_t relative_latency) 699499SN/A { set(address, Cycles(relative_latency)); } 709499SN/A 7111025Snilay@cs.wisc.edu void unset(Addr address); 727055SN/A void print(std::ostream& out) const; 736145SN/A 747039SN/A private: 757039SN/A void updateNext() const; 766145SN/A 777039SN/A // Private copy constructor and assignment operator 787039SN/A TimerTable(const TimerTable& obj); 797039SN/A TimerTable& operator=(const TimerTable& obj); 806145SN/A 817039SN/A // Data Members (m_prefix) 828943SN/A 838943SN/A // use a std::map for the address map as this container is sorted 848943SN/A // and ensures a well-defined iteration order 8511025Snilay@cs.wisc.edu typedef std::map<Addr, Cycles> AddressMap; 867455SN/A AddressMap m_map; 877039SN/A mutable bool m_next_valid; 889507SN/A mutable Cycles m_next_time; // Only valid if m_next_valid is true 8911025Snilay@cs.wisc.edu mutable Addr m_next_address; // Only valid if m_next_valid is true 909465SN/A 919465SN/A //! Object used for querying time. 929465SN/A ClockedObject* m_clockobj_ptr; 939465SN/A //! Consumer to signal a wakeup() 949465SN/A Consumer* m_consumer_ptr; 959465SN/A 967055SN/A std::string m_name; 976145SN/A}; 986145SN/A 997055SN/Ainline std::ostream& 1007055SN/Aoperator<<(std::ostream& out, const TimerTable& obj) 1016145SN/A{ 1027039SN/A obj.print(out); 1037055SN/A out << std::flush; 1047039SN/A return out; 1056145SN/A} 1067039SN/A 10710441Snilay@cs.wisc.edu#endif // __MEM_RUBY_STRUCTURES_TIMERTABLE_HH__ 108