gem5 v24.0.0.0
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timing.hh
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1/*
2 * Copyright (c) 2011-2012,2015,2017 ARM Limited
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4 *
5 * The license below extends only to copyright in the software and shall
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8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder. You may use the software subject to the license
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11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Copyright (c) 2002-2005 The Regents of The University of Michigan
15 * All rights reserved.
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18 * modification, are permitted provided that the following conditions are
19 * met: redistributions of source code must retain the above copyright
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26 * this software without specific prior written permission.
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39 */
40
41#ifndef __MEM_GEM5_PROTOCOL_TIMING_HH__
42#define __MEM_GEM5_PROTOCOL_TIMING_HH__
43
44#include "mem/packet.hh"
45
46namespace gem5
47{
48
49class TimingResponseProtocol;
50
52{
54
55 protected:
69
82 bool trySend(TimingResponseProtocol *peer, PacketPtr pkt) const;
83
94
100
104 virtual bool recvTimingResp(PacketPtr pkt) = 0;
105
109 virtual void recvTimingSnoopReq(PacketPtr pkt) = 0;
110
115 virtual void recvReqRetry() = 0;
116
122 virtual void recvRetrySnoopResp() = 0;
123};
124
126{
128
129 protected:
143
153
159
165
169 virtual bool recvTimingReq(PacketPtr pkt) = 0;
170
174 virtual bool tryTiming(PacketPtr pkt) = 0;
175
179 virtual bool recvTimingSnoopResp(PacketPtr pkt) = 0;
180
186 virtual void recvRespRetry() = 0;
187};
188
189} // namespace gem5
190
191#endif //__MEM_GEM5_PROTOCOL_TIMING_HH__
A Packet is used to encapsulate a transfer between two objects in the memory system (e....
Definition packet.hh:295
virtual bool recvTimingResp(PacketPtr pkt)=0
Receive a timing response from the peer.
void sendRetryResp(TimingResponseProtocol *peer)
Send a retry to the peer that previously attempted a sendTimingResp to this protocol and failed.
Definition timing.cc:72
bool trySend(TimingResponseProtocol *peer, PacketPtr pkt) const
Check if the peer can handle a timing request.
Definition timing.cc:56
bool sendReq(TimingResponseProtocol *peer, PacketPtr pkt)
Attempt to send a timing request to the peer by calling its corresponding receive function.
Definition timing.cc:49
virtual void recvRetrySnoopResp()=0
Called by the peer if sendTimingSnoopResp was called on this protocol (causing recvTimingSnoopResp to...
virtual void recvReqRetry()=0
Called by the peer if sendTimingReq was called on this peer (causing recvTimingReq to be called on th...
bool sendSnoopResp(TimingResponseProtocol *peer, PacketPtr pkt)
Attempt to send a timing snoop response packet to it's peer by calling its corresponding receive func...
Definition timing.cc:64
virtual void recvTimingSnoopReq(PacketPtr pkt)=0
Receive a timing snoop request from the peer.
virtual bool recvTimingSnoopResp(PacketPtr pkt)=0
Receive a timing snoop response from the peer.
virtual void recvRespRetry()=0
Called by the peer if sendTimingResp was called on this protocol (causing recvTimingResp to be called...
bool sendResp(TimingRequestProtocol *peer, PacketPtr pkt)
Attempt to send a timing response to the peer by calling its corresponding receive function.
Definition timing.cc:80
void sendSnoopReq(TimingRequestProtocol *peer, PacketPtr pkt)
Attempt to send a timing snoop request packet to the peer by calling its corresponding receive functi...
Definition timing.cc:87
void sendRetrySnoopResp(TimingRequestProtocol *peer)
Send a retry to the peer that previously attempted a sendTimingSnoopResp to this peer and failed.
Definition timing.cc:101
void sendRetryReq(TimingRequestProtocol *peer)
Send a retry to the peer that previously attempted a sendTimingReq to this protocol and failed.
Definition timing.cc:95
virtual bool tryTiming(PacketPtr pkt)=0
Availability request from the peer.
virtual bool recvTimingReq(PacketPtr pkt)=0
Receive a timing request from the peer.
Copyright (c) 2024 - Pranith Kumar Copyright (c) 2020 Inria All rights reserved.
Definition binary32.hh:36
Declaration of the Packet class.

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