gem5  v20.1.0.0
timing.hh
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40 
41 #ifndef __MEM_GEM5_PROTOCOL_TIMING_HH__
42 #define __MEM_GEM5_PROTOCOL_TIMING_HH__
43 
44 #include "mem/packet.hh"
45 
47 
49 {
50  friend class TimingResponseProtocol;
51 
52  protected:
65  bool sendReq(TimingResponseProtocol *peer, PacketPtr pkt);
66 
79  bool trySend(TimingResponseProtocol *peer, PacketPtr pkt) const;
80 
91 
97 
101  virtual bool recvTimingResp(PacketPtr pkt) = 0;
102 
106  virtual void recvTimingSnoopReq(PacketPtr pkt) = 0;
107 
112  virtual void recvReqRetry() = 0;
113 
119  virtual void recvRetrySnoopResp() = 0;
120 };
121 
123 {
124  friend class TimingRequestProtocol;
125 
126  protected:
139  bool sendResp(TimingRequestProtocol *peer, PacketPtr pkt);
140 
150 
156 
162 
166  virtual bool recvTimingReq(PacketPtr pkt) = 0;
167 
171  virtual bool tryTiming(PacketPtr pkt) = 0;
172 
176  virtual bool recvTimingSnoopResp(PacketPtr pkt) = 0;
177 
183  virtual void recvRespRetry() = 0;
184 };
185 
186 #endif //__MEM_GEM5_PROTOCOL_TIMING_HH__
TimingResponseProtocol::tryTiming
virtual bool tryTiming(PacketPtr pkt)=0
Availability request from the peer.
TimingResponseProtocol::recvRespRetry
virtual void recvRespRetry()=0
Called by the peer if sendTimingResp was called on this protocol (causing recvTimingResp to be called...
TimingResponseProtocol
Definition: timing.hh:122
TimingResponseProtocol::sendResp
bool sendResp(TimingRequestProtocol *peer, PacketPtr pkt)
Attempt to send a timing response to the peer by calling its corresponding receive function.
Definition: timing.cc:77
TimingRequestProtocol::sendRetryResp
void sendRetryResp(TimingResponseProtocol *peer)
Send a retry to the peer that previously attempted a sendTimingResp to this protocol and failed.
Definition: timing.cc:69
packet.hh
TimingResponseProtocol::sendRetryReq
void sendRetryReq(TimingRequestProtocol *peer)
Send a retry to the peer that previously attempted a sendTimingReq to this protocol and failed.
Definition: timing.cc:92
TimingRequestProtocol::recvReqRetry
virtual void recvReqRetry()=0
Called by the peer if sendTimingReq was called on this peer (causing recvTimingReq to be called on th...
TimingRequestProtocol::recvTimingSnoopReq
virtual void recvTimingSnoopReq(PacketPtr pkt)=0
Receive a timing snoop request from the peer.
TimingRequestProtocol::recvTimingResp
virtual bool recvTimingResp(PacketPtr pkt)=0
Receive a timing response from the peer.
TimingResponseProtocol::recvTimingReq
virtual bool recvTimingReq(PacketPtr pkt)=0
Receive a timing request from the peer.
TimingRequestProtocol::trySend
bool trySend(TimingResponseProtocol *peer, PacketPtr pkt) const
Check if the peer can handle a timing request.
Definition: timing.cc:53
TimingRequestProtocol::recvRetrySnoopResp
virtual void recvRetrySnoopResp()=0
Called by the peer if sendTimingSnoopResp was called on this protocol (causing recvTimingSnoopResp to...
TimingRequestProtocol
Definition: timing.hh:48
Packet
A Packet is used to encapsulate a transfer between two objects in the memory system (e....
Definition: packet.hh:257
TimingResponseProtocol::sendRetrySnoopResp
void sendRetrySnoopResp(TimingRequestProtocol *peer)
Send a retry to the peer that previously attempted a sendTimingSnoopResp to this peer and failed.
Definition: timing.cc:98
TimingResponseProtocol::recvTimingSnoopResp
virtual bool recvTimingSnoopResp(PacketPtr pkt)=0
Receive a timing snoop response from the peer.
TimingRequestProtocol::sendReq
bool sendReq(TimingResponseProtocol *peer, PacketPtr pkt)
Attempt to send a timing request to the peer by calling its corresponding receive function.
Definition: timing.cc:46
TimingResponseProtocol::sendSnoopReq
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:84
TimingRequestProtocol::sendSnoopResp
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:61

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