definition of the GenPort class which is of the type RequestPort. More...

Inheritance diagram for gem5::GUPSGen::GenPort:

Public Member Functions
	GenPort (const std::string &name, GUPSGen *owner)

bool	blocked ()
	Return whether the port is blocked.

void	sendTimingPacket (PacketPtr pkt)
	This function send a timing request to the port's peer responsePort.

void	sendFunctionalPacket (PacketPtr pkt)
	This function send a functional request to the port's peer responsePort.

Public Member Functions inherited from gem5::RequestPort
	RequestPort (const std::string &name, SimObject *_owner, PortID id=InvalidPortID)
	Request port.

	RequestPort (const std::string &name, PortID id=InvalidPortID)

virtual	~RequestPort ()

void	bind (Port &peer) override
	Bind this request port to a response port.

void	unbind () override
	Unbind this request port and the associated response port.

virtual bool	isSnooping () const
	Determine if this request port is snooping or not.

AddrRangeList	getAddrRanges () const
	Get the address ranges of the connected responder port.

void	printAddr (Addr a)
	Inject a PrintReq for the given address to print the state of that address throughout the memory system.

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.

Tick	sendAtomicBackdoor (PacketPtr pkt, MemBackdoorPtr &backdoor)
	Send an atomic request packet like above, but also request a backdoor to the data being accessed.

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.

void	sendMemBackdoorReq (const MemBackdoorReq &req, MemBackdoorPtr &backdoor)
	Send a request for a back door to a range of memory.

bool	sendTimingReq (PacketPtr pkt)
	Attempt to send a timing request to the responder port by calling its corresponding receive function.

bool	tryTiming (PacketPtr pkt) const
	Check if the responder can handle a timing request.

bool	sendTimingSnoopResp (PacketPtr pkt)
	Attempt to send a timing snoop response packet to the response port by calling its corresponding receive function.

virtual void	sendRetryResp ()
	Send a retry to the response port that previously attempted a sendTimingResp to this request port and failed.

Public Member Functions inherited from gem5::Port
virtual	~Port ()
	Virtual destructor due to inheritance.

Port &	getPeer ()
	Return a reference to this port's peer.

const std::string	name () const
	Return port name (for DPRINTF).

PortID	getId () const
	Get the port id.

bool	isConnected () const
	Is this port currently connected to a peer?

void	takeOverFrom (Port *old)
	A utility function to make it easier to swap out ports.

Protected Member Functions
bool	recvTimingResp (PacketPtr pkt) override
	Receive a timing response from the peer.

void	recvReqRetry () override
	Called by the peer if sendTimingReq was called on this peer (causing recvTimingReq to be called on the peer) and was unsuccessful.

Protected Member Functions inherited from gem5::RequestPort
virtual void	recvRangeChange ()
	Called to receive an address range change from the peer response port.

Tick	recvAtomicSnoop (PacketPtr pkt) override
	Default implementations.

void	recvFunctionalSnoop (PacketPtr pkt) override
	Receive a functional snoop request packet from the peer.

void	recvTimingSnoopReq (PacketPtr pkt) override
	Receive a timing snoop request from the peer.

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.

Protected Member Functions inherited from gem5::Port
void	reportUnbound () const

	Port (const std::string &_name, PortID _id)
	Abstract base class for ports.

Protected Member Functions inherited from gem5::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.

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.

Protected Member Functions inherited from gem5::TimingRequestProtocol
bool	sendReq (TimingResponseProtocol *peer, PacketPtr pkt)
	Attempt to send a timing request to the peer by calling its corresponding receive function.

bool	trySend (TimingResponseProtocol *peer, PacketPtr pkt) const
	Check if the peer can handle a timing request.

bool	sendSnoopResp (TimingResponseProtocol *peer, PacketPtr pkt)
	Attempt to send a timing snoop response packet to it's peer by calling its corresponding receive function.

void	sendRetryResp (TimingResponseProtocol *peer)
	Send a retry to the peer that previously attempted a sendTimingResp to this protocol and failed.

Protected Member Functions inherited from gem5::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.

void	sendMemBackdoorReq (FunctionalResponseProtocol *peer, const MemBackdoorReq &req, MemBackdoorPtr &backdoor)
	Send a request for a back door to a range of memory.

Private Attributes
GUPSGen *	owner
	Pointer to the GUPSGen this port belongs to.

bool	_blocked
	Boolean value to remember if the port is previously blocked and is occupied by a previous request, it should not accept new requests if it is blocked, instead, it will be freed by a recvReqRetry call from outside.

PacketPtr	blockedPacket
	Pointer to the blocked packet in the port.

Additional Inherited Members
Protected Attributes inherited from gem5::RequestPort
SimObject &	owner

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.

Port *	_peer
	A pointer to this port's peer.

bool	_connected
	Whether this port is currently connected to a peer port.

Detailed Description

definition of the GenPort class which is of the type RequestPort.

It defines the functionalities required for outside communication of memory packets from the GUPSGen simobject. It also implements functionalities of receiving responses from outside.

Definition at line 63 of file gups_gen.hh.

Constructor & Destructor Documentation

◆ GenPort()

gem5::GUPSGen::GenPort::GenPort	(	const std::string &	name,
		GUPSGen *	owner )

inline

Definition at line 89 of file gups_gen.hh.

Member Function Documentation

◆ blocked()

bool gem5::GUPSGen::GenPort::blocked ( )

inline

Return whether the port is blocked.

Returns: true if the port is blocked.; false if the port is free.

Definition at line 100 of file gups_gen.hh.

References _blocked.

Referenced by gem5::GUPSGen::sendNextReq().

◆ recvReqRetry()

void gem5::GUPSGen::GenPort::recvReqRetry ( )

overrideprotectedvirtual

Called by the peer if sendTimingReq was called on this peer (causing recvTimingReq to be called on the peer) and was unsuccessful.

Implements gem5::TimingRequestProtocol.

Definition at line 304 of file gups_gen.cc.

References DPRINTF.

◆ recvTimingResp()

bool gem5::GUPSGen::GenPort::recvTimingResp ( PacketPtr pkt )

overrideprotectedvirtual

Receive a timing response from the peer.

Implements gem5::TimingRequestProtocol.

Definition at line 321 of file gups_gen.cc.

◆ sendFunctionalPacket()

void gem5::GUPSGen::GenPort::sendFunctionalPacket ( PacketPtr pkt )

This function send a functional request to the port's peer responsePort.

Parameters

pkt	Pointer to the packet for the timing request

Definition at line 298 of file gups_gen.cc.

Referenced by gem5::GUPSGen::startup().

◆ sendTimingPacket()

void gem5::GUPSGen::GenPort::sendTimingPacket ( PacketPtr pkt )

This function send a timing request to the port's peer responsePort.

Parameters

pkt	Pointer to the packet for the timing request

Definition at line 283 of file gups_gen.cc.

References _blocked, blockedPacket, DPRINTF, panic_if, and gem5::RequestPort::sendTimingReq().

Referenced by gem5::GUPSGen::sendNextReq().

Member Data Documentation

◆ _blocked

bool gem5::GUPSGen::GenPort::_blocked

private

Boolean value to remember if the port is previously blocked and is occupied by a previous request, it should not accept new requests if it is blocked, instead, it will be freed by a recvReqRetry call from outside.

Definition at line 78 of file gups_gen.hh.

Referenced by blocked(), and sendTimingPacket().

◆ blockedPacket

PacketPtr gem5::GUPSGen::GenPort::blockedPacket

private

Pointer to the blocked packet in the port.

It is initialized as nullptr and will be set to the address of the packet which is blocked. It will reset upon recvReqRetry call.

Definition at line 85 of file gups_gen.hh.

Referenced by sendTimingPacket().

◆ owner

GUPSGen* gem5::GUPSGen::GenPort::owner

private

Pointer to the GUPSGen this port belongs to.

Definition at line 70 of file gups_gen.hh.

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

cpu/testers/traffic_gen/gups_gen.hh
cpu/testers/traffic_gen/gups_gen.cc

Public Member Functions

Protected Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ GenPort()

Member Function Documentation

◆ blocked()

◆ recvReqRetry()

◆ recvTimingResp()

◆ sendFunctionalPacket()

◆ sendTimingPacket()

Member Data Documentation

◆ _blocked

◆ blockedPacket

◆ owner