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gem5
v19.0.0.0
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Classes | |
| struct | DTickEvent |
Public Member Functions | |
| DcachePort (TimingSimpleCPU *_cpu) | |
Public Member Functions inherited from TimingSimpleCPU::TimingCPUPort | |
| TimingCPUPort (const std::string &_name, TimingSimpleCPU *_cpu) | |
Public Member Functions inherited from MasterPort | |
| MasterPort (const std::string &name, SimObject *_owner, PortID id=InvalidPortID) | |
| Master port. More... | |
| virtual | ~MasterPort () |
| void | bind (Port &peer) override |
| Bind this master port to a slave port. More... | |
| void | unbind () override |
| Unbind this master port and the associated slave port. More... | |
| AddrRangeList | getAddrRanges () const |
| Get the address ranges of the connected slave port. More... | |
| void | printAddr (Addr a) |
| Inject a PrintReq for the given address to print the state of that address throughout the memory system. More... | |
| Tick | sendAtomic (PacketPtr pkt) |
| Send an atomic request packet, where the data is moved and the state is updated in zero time, without interleaving with other memory accesses. More... | |
| Tick | sendAtomicBackdoor (PacketPtr pkt, MemBackdoorPtr &backdoor) |
| Send an atomic request packet like above, but also request a backdoor to the data being accessed. More... | |
| void | sendFunctional (PacketPtr pkt) const |
| Send a functional request packet, where the data is instantly updated everywhere in the memory system, without affecting the current state of any block or moving the block. More... | |
| bool | sendTimingReq (PacketPtr pkt) |
| Attempt to send a timing request to the slave port by calling its corresponding receive function. More... | |
| bool | tryTiming (PacketPtr pkt) const |
| Check if the slave can handle a timing request. More... | |
| bool | sendTimingSnoopResp (PacketPtr pkt) |
| Attempt to send a timing snoop response packet to the slave port by calling its corresponding receive function. More... | |
| virtual void | sendRetryResp () |
| Send a retry to the slave port that previously attempted a sendTimingResp to this master port and failed. More... | |
Public Member Functions inherited from Port | |
| virtual | ~Port () |
| Virtual destructor due to inheritance. More... | |
| Port & | getPeer () |
| Return a reference to this port's peer. More... | |
| const std::string | name () const |
| Return port name (for DPRINTF). More... | |
| PortID | getId () const |
| Get the port id. More... | |
| bool | isConnected () const |
| Is this port currently connected to a peer? More... | |
| void | takeOverFrom (Port *old) |
| A utility function to make it easier to swap out ports. More... | |
Public Attributes | |
| Addr | cacheBlockMask |
Protected Member Functions | |
| virtual void | recvTimingSnoopReq (PacketPtr pkt) |
| Snoop a coherence request, we need to check if this causes a wakeup event on a cpu that is monitoring an address. More... | |
| virtual void | recvFunctionalSnoop (PacketPtr pkt) |
| Receive a functional snoop request packet from the peer. More... | |
| virtual bool | recvTimingResp (PacketPtr pkt) |
| Receive a timing response from the peer. More... | |
| virtual void | recvReqRetry () |
| Called by the peer if sendTimingReq was called on this peer (causing recvTimingReq to be called on the peer) and was unsuccessful. More... | |
| virtual bool | isSnooping () const |
| Determine if this master port is snooping or not. More... | |
Protected Member Functions inherited from MasterPort | |
| virtual void | recvRangeChange () |
| Called to receive an address range change from the peer slave port. More... | |
| Tick | recvAtomicSnoop (PacketPtr pkt) override |
| Default implementations. More... | |
| void | recvFunctionalSnoop (PacketPtr pkt) override |
| Receive a functional snoop request packet from the peer. More... | |
| void | recvTimingSnoopReq (PacketPtr pkt) override |
| Receive a timing snoop request from the peer. More... | |
| void | recvRetrySnoopResp () override |
| Called by the peer if sendTimingSnoopResp was called on this protocol (causing recvTimingSnoopResp to be called on the peer) and was unsuccessful. More... | |
Protected Member Functions inherited from Port | |
| Port (const std::string &_name, PortID _id) | |
| Abstract base class for ports. More... | |
Protected Member Functions inherited from AtomicRequestProtocol | |
| Tick | send (AtomicResponseProtocol *peer, PacketPtr pkt) |
| Send an atomic request packet, where the data is moved and the state is updated in zero time, without interleaving with other memory accesses. More... | |
| Tick | sendBackdoor (AtomicResponseProtocol *peer, PacketPtr pkt, MemBackdoorPtr &backdoor) |
| Send an atomic request packet like above, but also request a backdoor to the data being accessed. More... | |
Protected Member Functions inherited from TimingRequestProtocol | |
| bool | sendReq (TimingResponseProtocol *peer, PacketPtr pkt) |
| Attempt to send a timing request to the peer by calling its corresponding receive function. More... | |
| bool | trySend (TimingResponseProtocol *peer, PacketPtr pkt) const |
| Check if the peer can handle a timing request. More... | |
| bool | sendSnoopResp (TimingResponseProtocol *peer, PacketPtr pkt) |
| Attempt to send a timing snoop response packet to it's peer by calling its corresponding receive function. More... | |
| void | sendRetryResp (TimingResponseProtocol *peer) |
| Send a retry to the peer that previously attempted a sendTimingResp to this protocol and failed. More... | |
Protected Member Functions inherited from FunctionalRequestProtocol | |
| void | send (FunctionalResponseProtocol *peer, PacketPtr pkt) const |
| Send a functional request packet, where the data is instantly updated everywhere in the memory system, without affecting the current state of any block or moving the block. More... | |
Protected Attributes | |
| DTickEvent | tickEvent |
Protected Attributes inherited from TimingSimpleCPU::TimingCPUPort | |
| TimingSimpleCPU * | cpu |
| EventFunctionWrapper | retryRespEvent |
Protected Attributes inherited from MasterPort | |
| SimObject & | owner |
Protected Attributes inherited from Port | |
| const PortID | id |
| A numeric identifier to distinguish ports in a vector, and set to InvalidPortID in case this port is not part of a vector. More... | |
| Port * | _peer |
| A pointer to this port's peer. More... | |
| bool | _connected |
| Whether this port is currently connected to a peer port. More... | |
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inline |
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inlineprotectedvirtual |
Determine if this master port is snooping or not.
The default implementation returns false and thus tells the neighbour we are not snooping. Any master port that wants to receive snoop requests (e.g. a cache connected to a bus) has to override this function.
Reimplemented from MasterPort.
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protectedvirtual |
Receive a functional snoop request packet from the peer.
Implements FunctionalRequestProtocol.
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protectedvirtual |
Called by the peer if sendTimingReq was called on this peer (causing recvTimingReq to be called on the peer) and was unsuccessful.
Implements TimingRequestProtocol.
Definition at line 1004 of file timing.cc.
References TimingSimpleCPU::SplitFragmentSenderState::bigPkt, TimingSimpleCPU::SplitFragmentSenderState::clearFromParent(), BaseSimpleCPU::DcacheRetry, BaseSimpleCPU::DcacheWaitResponse, TimingSimpleCPU::SplitMainSenderState::fragments, TimingSimpleCPU::SplitMainSenderState::getPendingFragment(), Packet::isRead(), Packet::isWrite(), and Packet::senderState.
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protectedvirtual |
Receive a timing response from the peer.
Implements TimingRequestProtocol.
Definition at line 977 of file timing.cc.
References DPRINTF, and Packet::getAddr().
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protectedvirtual |
Snoop a coherence request, we need to check if this causes a wakeup event on a cpu that is monitoring an address.
Implements TimingRequestProtocol.
Definition at line 947 of file timing.cc.
References TheISA::handleLockedSnoop(), Packet::isInvalidate(), and Packet::isWrite().
| Addr TimingSimpleCPU::DcachePort::cacheBlockMask |
Definition at line 225 of file timing.hh.
Referenced by TimingSimpleCPU::sendData(), and TimingSimpleCPU::threadSnoop().
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protected |