gem5
v20.0.0.0
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#include <RubyPort.hh>
Public Member Functions | |
MemSlavePort (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) |
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QueuedSlavePort (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 | ~QueuedSlavePort () |
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... | |
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SlavePort (const std::string &name, SimObject *_owner, PortID id=InvalidPortID) | |
Slave port. More... | |
virtual | ~SlavePort () |
bool | isSnooping () const |
Find out if the peer master 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 master 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 master port by calling its corresponding receive function. More... | |
void | sendTimingSnoopReq (PacketPtr pkt) |
Attempt to send a timing snoop request packet to the master port by calling its corresponding receive function. More... | |
void | sendRetryReq () |
Send a retry to the master port that previously attempted a sendTimingReq to this slave port and failed. More... | |
void | sendRetrySnoopResp () |
Send a retry to the master port that previously attempted a sendTimingSnoopResp to this slave port and failed. More... | |
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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 () |
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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... | |
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void | slaveUnbind () |
Called by the master port to unbind. More... | |
void | slaveBind (MasterPort &master_port) |
Called by the master 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... | |
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Port (const std::string &_name, PortID _id) | |
Abstract base class for ports. More... | |
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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... | |
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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... | |
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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 (Addr addr) const |
Private Attributes | |
RespPacketQueue | queue |
bool | access_backing_store |
bool | no_retry_on_stall |
Additional Inherited Members | |
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RespPacketQueue & | respQueue |
Packet queue used to store outgoing responses. More... | |
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SimObject & | owner |
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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::MemSlavePort::MemSlavePort | ( | const std::string & | _name, |
RubyPort * | _port, | ||
bool | _access_backing_store, | ||
PortID | id, | ||
bool | _no_retry_on_stall | ||
) |
Definition at line 146 of file RubyPort.cc.
References DPRINTF.
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protected |
Definition at line 349 of file RubyPort.cc.
References RubyPort::addToRetryList(), no_retry_on_stall, RubyPort::onRetryList(), and SlavePort::owner.
Referenced by recvTimingReq().
void RubyPort::MemSlavePort::evictionCallback | ( | Addr | address | ) |
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inlineprotectedvirtual |
Get a list of the non-overlapping address ranges the owner is responsible for.
All slave ports must override this function and return a populated list with at least one item.
Implements SlavePort.
Definition at line 96 of file RubyPort.hh.
References addr, and RubyPort::addToRetryList().
void RubyPort::MemSlavePort::hitCallback | ( | PacketPtr | pkt | ) |
Definition at line 509 of file RubyPort.cc.
References AbstractMemory::access(), access_backing_store, Packet::cmd, Packet::convertLlToRead(), Packet::convertScToWrite(), curTick(), DPRINTF, RubySystem::getPhysMem(), Packet::isFlush(), Packet::isLLSC(), Packet::isWrite(), RubyPort::m_ruby_system, Packet::makeResponse(), MemCmd::MemFenceReq, Packet::needsResponse(), SlavePort::owner, Packet::req, ArmISA::rs, and QueuedSlavePort::schedTimingResp().
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private |
Definition at line 591 of file RubyPort.cc.
References System::isMemAddr(), SlavePort::owner, and RubyPort::system.
Referenced by recvAtomic(), recvFunctional(), and recvTimingReq().
Receive an atomic request packet from the peer.
Implements AtomicResponseProtocol.
Definition at line 304 of file RubyPort.cc.
References AbstractMemory::access(), access_backing_store, System::bypassCaches(), Packet::cmd, DPRINTF, Packet::getAddr(), RubySystem::getBlockSizeBytes(), getOffset(), RubySystem::getPhysMem(), Packet::getSize(), Port::isConnected(), isPhysMemAddress(), RubySystem::m_abstract_controls, RubyPort::m_controller, RubyPort::m_ruby_system, AbstractController::mapAddressToMachine(), MemCmd::MemFenceReq, RubyPort::memMasterPort, SlavePort::owner, panic, Packet::pushSenderState(), AbstractController::recvAtomic(), ArmISA::rs, MasterPort::sendAtomic(), RubyPort::system, and Clocked::ticksToCycles().
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protectedvirtual |
Receive a functional request packet from the peer.
Implements FunctionalResponseProtocol.
Definition at line 364 of file RubyPort.cc.
References access_backing_store, Packet::cmdString(), DPRINTF, fatal, AbstractMemory::functionalAccess(), RubySystem::functionalRead(), RubySystem::functionalWrite(), Packet::getAddr(), RubySystem::getBlockSizeBytes(), RubySystem::getPhysMem(), Packet::getSize(), isPhysMemAddress(), Packet::isRead(), Packet::isResponse(), Packet::isWrite(), makeLineAddress(), Packet::makeResponse(), Packet::needsResponse(), SlavePort::owner, 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 234 of file RubyPort.cc.
References addToRetryList(), Packet::cacheResponding(), Clocked::clockPeriod(), Packet::cmd, Packet::cmdString(), curTick(), DPRINTF, Packet::getAddr(), RubySystem::getBlockSizeBytes(), getOffset(), Packet::getSize(), Port::id, isPhysMemAddress(), Packet::makeResponse(), MemCmd::MemFenceReq, SlavePort::owner, panic, Packet::pushSenderState(), Packet::req, ArmISA::rs, QueuedSlavePort::schedTimingResp(), and warn_once.
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private |
Definition at line 79 of file RubyPort.hh.
Referenced by hitCallback(), recvAtomic(), and recvFunctional().
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private |
Definition at line 80 of file RubyPort.hh.
Referenced by addToRetryList().
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private |
Definition at line 78 of file RubyPort.hh.