gem5  v21.1.0.2
Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
gem5::LdsState::CuSidePort Class Reference

CuSidePort is the LDS Port closer to the CU side. More...

#include <lds_state.hh>

Inheritance diagram for gem5::LdsState::CuSidePort:
gem5::ResponsePort gem5::Port gem5::AtomicResponseProtocol gem5::TimingResponseProtocol gem5::FunctionalResponseProtocol

Public Member Functions

 CuSidePort (const std::string &_name, LdsState *_ownerLds)
 
- Public Member Functions inherited from gem5::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 gem5::Port
virtual ~Port ()
 Virtual destructor due to inheritance. More...
 
PortgetPeer ()
 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

virtual bool recvTimingReq (PacketPtr pkt)
 receive the packet from the CU More...
 
virtual Tick recvAtomic (PacketPtr pkt)
 Receive an atomic request packet from the peer. More...
 
virtual void recvFunctional (PacketPtr pkt)
 receive a packet in functional mode More...
 
virtual void recvRangeChange ()
 
virtual void recvRetry ()
 receive a retry More...
 
virtual void recvRespRetry ()
 receive a retry for a response More...
 
virtual AddrRangeList getAddrRanges () const
 Get a list of the non-overlapping address ranges the owner is responsible for. More...
 
template<typename T >
void loadData (PacketPtr packet)
 
template<typename T >
void storeData (PacketPtr packet)
 
template<typename T >
void atomicOperation (PacketPtr packet)
 
- Protected Member Functions inherited from gem5::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 gem5::Port
void reportUnbound () const
 
 Port (const std::string &_name, PortID _id)
 Abstract base class for ports. More...
 
- Protected Member Functions inherited from gem5::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 gem5::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 gem5::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...
 

Protected Attributes

LdsStateownerLds
 
- Protected Attributes inherited from gem5::ResponsePort
SimObjectowner
 
- Protected Attributes inherited from gem5::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...
 

Detailed Description

CuSidePort is the LDS Port closer to the CU side.

Definition at line 163 of file lds_state.hh.

Constructor & Destructor Documentation

◆ CuSidePort()

gem5::LdsState::CuSidePort::CuSidePort ( const std::string &  _name,
LdsState _ownerLds 
)
inline

Definition at line 166 of file lds_state.hh.

Member Function Documentation

◆ atomicOperation()

template<typename T >
void gem5::LdsState::CuSidePort::atomicOperation ( PacketPtr  packet)
protected

◆ getAddrRanges()

virtual AddrRangeList gem5::LdsState::CuSidePort::getAddrRanges ( ) const
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.

Returns
a list of ranges responded to

Implements gem5::ResponsePort.

Definition at line 198 of file lds_state.hh.

References gem5::LdsState::getAddrRange(), and ownerLds.

◆ loadData()

template<typename T >
void gem5::LdsState::CuSidePort::loadData ( PacketPtr  packet)
protected

◆ recvAtomic()

virtual Tick gem5::LdsState::CuSidePort::recvAtomic ( PacketPtr  pkt)
inlineprotectedvirtual

Receive an atomic request packet from the peer.

Implements gem5::AtomicResponseProtocol.

Definition at line 178 of file lds_state.hh.

◆ recvFunctional()

void gem5::LdsState::CuSidePort::recvFunctional ( PacketPtr  pkt)
protectedvirtual

receive a packet in functional mode

Implements gem5::FunctionalResponseProtocol.

Definition at line 238 of file lds_state.cc.

References fatal.

◆ recvRangeChange()

virtual void gem5::LdsState::CuSidePort::recvRangeChange ( )
inlineprotectedvirtual

Definition at line 187 of file lds_state.hh.

◆ recvRespRetry()

void gem5::LdsState::CuSidePort::recvRespRetry ( )
protectedvirtual

receive a retry for a response

Implements gem5::TimingResponseProtocol.

Definition at line 247 of file lds_state.cc.

◆ recvRetry()

void gem5::LdsState::CuSidePort::recvRetry ( )
protectedvirtual

receive a retry

Definition at line 259 of file lds_state.cc.

References fatal.

◆ recvTimingReq()

bool gem5::LdsState::CuSidePort::recvTimingReq ( PacketPtr  pkt)
protectedvirtual

receive the packet from the CU

Implements gem5::TimingResponseProtocol.

Definition at line 171 of file lds_state.cc.

References ownerLds, and gem5::LdsState::processPacket().

◆ storeData()

template<typename T >
void gem5::LdsState::CuSidePort::storeData ( PacketPtr  packet)
protected

Member Data Documentation

◆ ownerLds

LdsState* gem5::LdsState::CuSidePort::ownerLds
protected

Definition at line 172 of file lds_state.hh.

Referenced by getAddrRanges(), and recvTimingReq().


The documentation for this class was generated from the following files:

Generated on Tue Sep 21 2021 12:27:45 for gem5 by doxygen 1.8.17