gem5
v20.1.0.0
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#include <RubyPort.hh>
Public Member Functions | |
MemResponsePort (const std::string &_name, RubyPort *_port, bool _access_backing_store, PortID id, bool _no_retry_on_stall) | |
void | hitCallback (PacketPtr pkt) |
void | evictionCallback (Addr address) |
Public Member Functions inherited from QueuedResponsePort | |
QueuedResponsePort (const std::string &name, SimObject *owner, RespPacketQueue &resp_queue, PortID id=InvalidPortID) | |
Create a QueuedPort with a given name, owner, and a supplied implementation of a packet queue. More... | |
virtual | ~QueuedResponsePort () |
void | schedTimingResp (PacketPtr pkt, Tick when) |
Schedule the sending of a timing response. More... | |
bool | trySatisfyFunctional (PacketPtr pkt) |
Check the list of buffered packets against the supplied functional request. More... | |
Public Member Functions inherited from ResponsePort | |
ResponsePort (const std::string &name, SimObject *_owner, PortID id=InvalidPortID) | |
Response port. More... | |
virtual | ~ResponsePort () |
bool | isSnooping () const |
Find out if the peer request port is snooping or not. More... | |
void | sendRangeChange () const |
Called by the owner to send a range change. More... | |
void | unbind () override |
We let the request port do the work, so these don't do anything. More... | |
void | bind (Port &peer) override |
Attach to a peer port. More... | |
Tick | sendAtomicSnoop (PacketPtr pkt) |
Send an atomic snoop request packet, where the data is moved and the state is updated in zero time, without interleaving with other memory accesses. More... | |
void | sendFunctionalSnoop (PacketPtr pkt) const |
Send a functional snoop 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 | sendTimingResp (PacketPtr pkt) |
Attempt to send a timing response to the request port by calling its corresponding receive function. More... | |
void | sendTimingSnoopReq (PacketPtr pkt) |
Attempt to send a timing snoop request packet to the request port by calling its corresponding receive function. More... | |
void | sendRetryReq () |
Send a retry to the request port that previously attempted a sendTimingReq to this response port and failed. More... | |
void | sendRetrySnoopResp () |
Send a retry to the request port that previously attempted a sendTimingSnoopResp to this response 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... | |
Protected Member Functions | |
bool | recvTimingReq (PacketPtr pkt) |
Receive a timing request from the peer. More... | |
Tick | recvAtomic (PacketPtr pkt) |
Receive an atomic request packet from the peer. More... | |
void | recvFunctional (PacketPtr pkt) |
Receive a functional request packet from the peer. More... | |
AddrRangeList | getAddrRanges () const |
Get a list of the non-overlapping address ranges the owner is responsible for. More... | |
void | addToRetryList () |
Protected Member Functions inherited from QueuedResponsePort | |
void | recvRespRetry () |
Called by the peer if sendTimingResp was called on this protocol (causing recvTimingResp to be called on the peer) and was unsuccessful. More... | |
Protected Member Functions inherited from ResponsePort | |
void | responderUnbind () |
Called by the request port to unbind. More... | |
void | responderBind (RequestPort &request_port) |
Called by the request port to bind. More... | |
Tick | recvAtomicBackdoor (PacketPtr pkt, MemBackdoorPtr &backdoor) override |
Default implementations. More... | |
bool | tryTiming (PacketPtr pkt) override |
Availability request from the peer. More... | |
bool | recvTimingSnoopResp (PacketPtr pkt) override |
Receive a timing snoop response from the peer. More... | |
Protected Member Functions inherited from Port | |
void | reportUnbound () const |
Port (const std::string &_name, PortID _id) | |
Abstract base class for ports. More... | |
Protected Member Functions inherited from AtomicResponseProtocol | |
Tick | sendSnoop (AtomicRequestProtocol *peer, PacketPtr pkt) |
Send an atomic snoop request packet, where the data is moved and the state is updated in zero time, without interleaving with other memory accesses. More... | |
Protected Member Functions inherited from TimingResponseProtocol | |
bool | sendResp (TimingRequestProtocol *peer, PacketPtr pkt) |
Attempt to send a timing response to the peer by calling its corresponding receive function. More... | |
void | sendSnoopReq (TimingRequestProtocol *peer, PacketPtr pkt) |
Attempt to send a timing snoop request packet to the peer by calling its corresponding receive function. More... | |
void | sendRetryReq (TimingRequestProtocol *peer) |
Send a retry to the peer that previously attempted a sendTimingReq to this protocol and failed. More... | |
void | sendRetrySnoopResp (TimingRequestProtocol *peer) |
Send a retry to the peer that previously attempted a sendTimingSnoopResp to this peer and failed. More... | |
Protected Member Functions inherited from FunctionalResponseProtocol | |
void | sendSnoop (FunctionalRequestProtocol *peer, PacketPtr pkt) const |
Send a functional snoop 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... | |
Private Member Functions | |
bool | isPhysMemAddress (PacketPtr pkt) const |
Private Attributes | |
RespPacketQueue | queue |
bool | access_backing_store |
bool | no_retry_on_stall |
Additional Inherited Members | |
Protected Attributes inherited from QueuedResponsePort | |
RespPacketQueue & | respQueue |
Packet queue used to store outgoing responses. More... | |
Protected Attributes inherited from ResponsePort | |
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... | |
Definition at line 75 of file RubyPort.hh.
RubyPort::MemResponsePort::MemResponsePort | ( | const std::string & | _name, |
RubyPort * | _port, | ||
bool | _access_backing_store, | ||
PortID | id, | ||
bool | _no_retry_on_stall | ||
) |
Definition at line 148 of file RubyPort.cc.
References DPRINTF.
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protected |
Definition at line 355 of file RubyPort.cc.
References RubyPort::addToRetryList(), and RubyPort::onRetryList().
void RubyPort::MemResponsePort::evictionCallback | ( | Addr | address | ) |
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inlineprotectedvirtual |
Get a list of the non-overlapping address ranges the owner is responsible for.
All response ports must override this function and return a populated list with at least one item.
Implements ResponsePort.
Definition at line 96 of file RubyPort.hh.
void RubyPort::MemResponsePort::hitCallback | ( | PacketPtr | pkt | ) |
Definition at line 515 of file RubyPort.cc.
References AbstractMemory::access(), Packet::cmd, Packet::convertLlToRead(), Packet::convertScToWrite(), curTick(), DPRINTF, Packet::getAddr(), System::getDeviceMemory(), System::isDeviceMemAddr(), Packet::isFlush(), Packet::isLLSC(), System::isMemAddr(), Packet::isResponse(), Packet::isWrite(), RubyPort::m_ruby_system, Packet::makeResponse(), MemCmd::MemSyncReq, Packet::needsResponse(), panic, Packet::req, Packet::requestorId(), ArmISA::rs, and RubyPort::system.
Referenced by GPUCoalescer::completeHitCallback(), RubyPort::ruby_hit_callback(), and VIPERCoalescer::writeCompleteCallback().
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private |
Definition at line 606 of file RubyPort.cc.
References Packet::getAddr(), System::isDeviceMemAddr(), System::isMemAddr(), and RubyPort::system.
Receive an atomic request packet from the peer.
Implements AtomicResponseProtocol.
Definition at line 310 of file RubyPort.cc.
References System::bypassCaches(), Packet::cmd, DPRINTF, Packet::getAddr(), RubySystem::getBlockSizeBytes(), getOffset(), Packet::getSize(), Port::isConnected(), RubyPort::m_controller, RubyPort::m_ruby_system, AbstractController::mapAddressToMachine(), RubyPort::memRequestPort, MemCmd::MemSyncReq, panic, Packet::pushSenderState(), AbstractController::recvAtomic(), ArmISA::rs, RequestPort::sendAtomic(), RubyPort::system, and Clocked::ticksToCycles().
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protectedvirtual |
Receive a functional request packet from the peer.
Implements FunctionalResponseProtocol.
Definition at line 370 of file RubyPort.cc.
References Packet::cmdString(), DPRINTF, fatal, Packet::getAddr(), RubySystem::getBlockSizeBytes(), Packet::getSize(), Packet::isRead(), Packet::isResponse(), Packet::isWrite(), makeLineAddress(), Packet::makeResponse(), Packet::needsResponse(), panic, ArmISA::rs, Packet::setFunctionalResponseStatus(), and Packet::suppressFuncError().
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protectedvirtual |
Receive a timing request from the peer.
Implements TimingResponseProtocol.
Definition at line 238 of file RubyPort.cc.
References RubyPort::addToRetryList(), Packet::cacheResponding(), Packet::cmd, Packet::cmdString(), curTick(), DPRINTF, Packet::getAddr(), Port::isConnected(), RubyPort::m_ruby_system, RubyPort::makeRequest(), Packet::makeResponse(), RubyPort::memRequestPort, MemCmd::MemSyncReq, panic, Packet::popSenderState(), Packet::pushSenderState(), Packet::req, ArmISA::rs, QueuedRequestPort::schedTimingReq(), ArmISA::ss, and warn_once.
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private |
Definition at line 79 of file RubyPort.hh.
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private |
Definition at line 80 of file RubyPort.hh.
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private |
Definition at line 78 of file RubyPort.hh.