gem5 v24.0.0.0
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timing.cc
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1/*
2 * Copyright (c) 2012,2015,2017 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
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.
16 *
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions are
19 * met: redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer;
21 * redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the distribution;
24 * neither the name of the copyright holders nor the names of its
25 * contributors may be used to endorse or promote products derived from
26 * this software without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
33 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 */
40
42
43namespace gem5
44{
45
46/* The request protocol. */
47
48bool
50{
51 assert(pkt->isRequest());
52 return peer->recvTimingReq(pkt);
53}
54
55bool
57 TimingResponseProtocol *peer, PacketPtr pkt) const
58{
59 assert(pkt->isRequest());
60 return peer->tryTiming(pkt);
61}
62
63bool
66{
67 assert(pkt->isResponse());
68 return peer->recvTimingSnoopResp(pkt);
69}
70
71void
76
77/* The response protocol. */
78
79bool
81{
82 assert(pkt->isResponse());
83 return peer->recvTimingResp(pkt);
84}
85
86void
93
94void
99
100void
105
106} // namespace gem5
A Packet is used to encapsulate a transfer between two objects in the memory system (e....
Definition packet.hh:295
bool isResponse() const
Definition packet.hh:598
bool isRequest() const
Definition packet.hh:597
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

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