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DRAMCtrl::MemoryPort Class Reference
Inheritance diagram for DRAMCtrl::MemoryPort:
QueuedSlavePort SlavePort Port AtomicResponseProtocol TimingResponseProtocol FunctionalResponseProtocol

Public Member Functions

 MemoryPort (const std::string &name, DRAMCtrl &_memory)
 
- Public Member Functions inherited from QueuedSlavePort
 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...
 
- Public Member Functions inherited from SlavePort
 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...
 
- Public Member Functions inherited from 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

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...
 
bool recvTimingReq (PacketPtr)
 Receive a timing request from the peer. More...
 
virtual AddrRangeList getAddrRanges () const
 Get a list of the non-overlapping address ranges the owner is responsible for. More...
 
- Protected Member Functions inherited from QueuedSlavePort
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 SlavePort
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...
 
- Protected Member Functions inherited from Port
 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 Attributes

RespPacketQueue queue
 
DRAMCtrlmemory
 

Additional Inherited Members

- Protected Attributes inherited from QueuedSlavePort
RespPacketQueuerespQueue
 Packet queue used to store outgoing responses. More...
 
- Protected Attributes inherited from SlavePort
SimObjectowner
 
- 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...
 

Detailed Description

Definition at line 97 of file dram_ctrl.hh.

Constructor & Destructor Documentation

◆ MemoryPort()

DRAMCtrl::MemoryPort::MemoryPort ( const std::string &  name,
DRAMCtrl _memory 
)

Definition at line 2962 of file dram_ctrl.cc.

Member Function Documentation

◆ getAddrRanges()

AddrRangeList DRAMCtrl::MemoryPort::getAddrRanges ( ) const
protectedvirtual

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.

Returns
a list of ranges responded to

Implements SlavePort.

Definition at line 2968 of file dram_ctrl.cc.

◆ recvAtomic()

Tick DRAMCtrl::MemoryPort::recvAtomic ( PacketPtr  pkt)
protectedvirtual

Receive an atomic request packet from the peer.

Implements AtomicResponseProtocol.

Definition at line 2991 of file dram_ctrl.cc.

Referenced by DRAMCtrl::sortTime().

◆ recvFunctional()

void DRAMCtrl::MemoryPort::recvFunctional ( PacketPtr  pkt)
protectedvirtual

Receive a functional request packet from the peer.

Implements FunctionalResponseProtocol.

Definition at line 2976 of file dram_ctrl.cc.

References Packet::popLabel(), Packet::pushLabel(), queue, and PacketQueue::trySatisfyFunctional().

Referenced by DRAMCtrl::sortTime().

◆ recvTimingReq()

bool DRAMCtrl::MemoryPort::recvTimingReq ( PacketPtr  pkt)
protectedvirtual

Receive a timing request from the peer.

Implements TimingResponseProtocol.

Definition at line 2997 of file dram_ctrl.cc.

References DRAMCtrl::DRAMCtrl().

Referenced by DRAMCtrl::sortTime().

Member Data Documentation

◆ memory

DRAMCtrl& DRAMCtrl::MemoryPort::memory
private

Definition at line 101 of file dram_ctrl.hh.

◆ queue

RespPacketQueue DRAMCtrl::MemoryPort::queue
private

Definition at line 100 of file dram_ctrl.hh.

Referenced by DRAMCtrl::getCtrlAddr(), and recvFunctional().


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

Generated on Mon Jun 8 2020 15:45:21 for gem5 by doxygen 1.8.13