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_SLICC_INTERFACE_MESSAGE_HH__ 30#define __MEM_RUBY_SLICC_INTERFACE_MESSAGE_HH__ 31 32#include <iostream> 33#include <memory>
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34#include <stack> |
35 36#include "mem/packet.hh" 37 38class Message; 39typedef std::shared_ptr<Message> MsgPtr; 40 41class Message 42{ 43 public: 44 Message(Tick curTime) 45 : m_time(curTime), 46 m_LastEnqueueTime(curTime), 47 m_DelayedTicks(0)
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47 { }
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48 { 49 timeStamps.push(curTime); 50 } |
51 52 Message(const Message &other) 53 : m_time(other.m_time), 54 m_LastEnqueueTime(other.m_LastEnqueueTime),
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52 m_DelayedTicks(other.m_DelayedTicks)
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55 m_DelayedTicks(other.m_DelayedTicks), timeStamps(other.timeStamps) |
56 { } 57 58 virtual ~Message() { } 59 60 virtual MsgPtr clone() const = 0; 61 virtual void print(std::ostream& out) const = 0; 62 virtual void setIncomingLink(int) {} 63 virtual void setVnet(int) {} 64 65 /** 66 * The two functions below are used for reading / writing the message 67 * functionally. The methods return true if the address in the packet 68 * matches the address / address range in the message. Each message 69 * class that can be potentially searched for the address needs to 70 * implement these methods. 71 */ 72 virtual bool functionalRead(Packet *pkt) = 0; 73 //{ fatal("Read functional access not implemented!"); } 74 virtual bool functionalWrite(Packet *pkt) = 0; 75 //{ fatal("Write functional access not implemented!"); } 76 77 //! Update the delay this message has experienced so far. 78 void updateDelayedTicks(Tick curTime) 79 { 80 assert(m_LastEnqueueTime <= curTime); 81 Tick delta = curTime - m_LastEnqueueTime; 82 m_DelayedTicks += delta; 83 } 84 const Tick getDelayedTicks() const {return m_DelayedTicks;} 85 86 void setLastEnqueueTime(const Tick& time) { m_LastEnqueueTime = time; } 87 const Tick getLastEnqueueTime() const {return m_LastEnqueueTime;} 88 89 const Tick& getTime() const { return m_time; } 90 void setTime(const Tick& new_time) { m_time = new_time; } 91 92 private: 93 Tick m_time; 94 Tick m_LastEnqueueTime; // my last enqueue time 95 Tick m_DelayedTicks; // my delayed cycles
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96 std::stack<Tick> timeStamps; |
97}; 98 99inline std::ostream& 100operator<<(std::ostream& out, const Message& obj) 101{ 102 obj.print(out); 103 out << std::flush; 104 return out; 105} 106 107#endif // __MEM_RUBY_SLICC_INTERFACE_MESSAGE_HH__
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