gem5::AtomicSimpleCPU::AtomicCPUPort Class Reference
An AtomicCPUPort overrides the default behaviour of the recvAtomicSnoop and ignores the packet instead of panicking. More...
#include <atomic.hh>
Inheritance diagram for gem5::AtomicSimpleCPU::AtomicCPUPort:
Public Member Functions | |
| AtomicCPUPort (const std::string &_name) | |
 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) |
| Receive a timing response from the peer. | |
| void | recvReqRetry () |
| 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. | |
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
An AtomicCPUPort overrides the default behaviour of the recvAtomicSnoop and ignores the packet instead of panicking.
It also provides an implementation for the purely virtual timing functions and panics on either of these.
Constructor & Destructor Documentation
◆ AtomicCPUPort()
|
inline |
Member Function Documentation
◆ recvReqRetry()
|
inlineprotectedvirtual |
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 133 of file atomic.hh.
References panic.
◆ recvTimingResp()
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inlineprotectedvirtual |
Receive a timing response from the peer.
Implements gem5::TimingRequestProtocol.
Definition at line 127 of file atomic.hh.
References panic.
The documentation for this class was generated from the following file:
- cpu/simple/atomic.hh
Generated on Tue Jun 18 2024 16:24:09 for gem5 by doxygen 1.11.0