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CoherentXBar::SnoopRespPort Class Reference

Internal class to bridge between an incoming snoop response from a slave port and forwarding it through an outgoing slave port. More...

#include <coherent_xbar.hh>

Inheritance diagram for CoherentXBar::SnoopRespPort:
MasterPort BaseMasterPort Port

Public Member Functions

 SnoopRespPort (QueuedSlavePort &slave_port, CoherentXBar &_xbar)
 Create a snoop response port that mirrors a given slave port. More...
 
void sendRetryResp ()
 Override the sending of retries and pass them on through the mirrored slave port. More...
 
void recvReqRetry ()
 Provided as necessary. More...
 
bool recvTimingResp (PacketPtr pkt)
 Provided as necessary. More...
 
- Public Member Functions inherited from MasterPort
 MasterPort (const std::string &name, MemObject *owner, PortID id=InvalidPortID)
 Master port. More...
 
virtual ~MasterPort ()
 
void bind (BaseSlavePort &slave_port)
 Bind this master port to a slave port. More...
 
void unbind ()
 Unbind this master port and the associated slave port. More...
 
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. More...
 
void sendFunctional (PacketPtr pkt)
 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. More...
 
bool sendTimingReq (PacketPtr pkt)
 Attempt to send a timing request to the slave port by calling its corresponding receive function. More...
 
bool sendTimingSnoopResp (PacketPtr pkt)
 Attempt to send a timing snoop response packet to the slave port by calling its corresponding receive function. More...
 
virtual bool isSnooping () const
 Determine if this master port is snooping or not. More...
 
AddrRangeList getAddrRanges () const
 Get the address ranges of the connected slave port. More...
 
void printAddr (Addr a)
 Inject a PrintReq for the given address to print the state of that address throughout the memory system. More...
 
- Public Member Functions inherited from BaseMasterPort
BaseSlavePortgetSlavePort () const
 
bool isConnected () const
 
- Public Member Functions inherited from Port
const std::string name () const
 Return port name (for DPRINTF). More...
 
PortID getId () const
 Get the port id. More...
 

Private Attributes

QueuedSlavePortslavePort
 The port which we mirror internally. More...
 

Additional Inherited Members

- Protected Member Functions inherited from MasterPort
virtual Tick recvAtomicSnoop (PacketPtr pkt)
 Receive an atomic snoop request packet from the slave port. More...
 
virtual void recvFunctionalSnoop (PacketPtr pkt)
 Receive a functional snoop request packet from the slave port. More...
 
virtual void recvTimingSnoopReq (PacketPtr pkt)
 Receive a timing snoop request from the slave port. More...
 
virtual void recvRetrySnoopResp ()
 Called by the slave port if sendTimingSnoopResp was called on this master port (causing recvTimingSnoopResp to be called on the slave port) and was unsuccesful. More...
 
virtual void recvRangeChange ()
 Called to receive an address range change from the peer slave port. More...
 
- Protected Member Functions inherited from BaseMasterPort
 BaseMasterPort (const std::string &name, MemObject *owner, PortID id=InvalidPortID)
 
virtual ~BaseMasterPort ()
 
- Protected Member Functions inherited from Port
 Port (const std::string &_name, MemObject &_owner, PortID _id)
 Abstract base class for ports. More...
 
virtual ~Port ()
 Virtual destructor due to inheritance. More...
 
- Protected Attributes inherited from BaseMasterPort
BaseSlavePort_baseSlavePort
 
- 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...
 
MemObjectowner
 A reference to the MemObject that owns this port. More...
 

Detailed Description

Internal class to bridge between an incoming snoop response from a slave port and forwarding it through an outgoing slave port.

It is effectively a dangling master port.

Definition at line 212 of file coherent_xbar.hh.

Constructor & Destructor Documentation

CoherentXBar::SnoopRespPort::SnoopRespPort ( QueuedSlavePort slave_port,
CoherentXBar _xbar 
)
inline

Create a snoop response port that mirrors a given slave port.

Definition at line 225 of file coherent_xbar.hh.

Member Function Documentation

void CoherentXBar::SnoopRespPort::recvReqRetry ( )
inlinevirtual

Provided as necessary.

Implements MasterPort.

Definition at line 241 of file coherent_xbar.hh.

References panic.

bool CoherentXBar::SnoopRespPort::recvTimingResp ( PacketPtr  pkt)
inlinevirtual

Provided as necessary.

Implements MasterPort.

Definition at line 246 of file coherent_xbar.hh.

References panic.

void CoherentXBar::SnoopRespPort::sendRetryResp ( )
inlinevirtual

Override the sending of retries and pass them on through the mirrored slave port.

Reimplemented from MasterPort.

Definition at line 233 of file coherent_xbar.hh.

References SlavePort::sendRetrySnoopResp(), and slavePort.

Member Data Documentation

QueuedSlavePort& CoherentXBar::SnoopRespPort::slavePort
private

The port which we mirror internally.

Definition at line 218 of file coherent_xbar.hh.

Referenced by sendRetryResp().


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

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