#include <tlb.hh>
Public Member Functions | |
| CpuSidePort (const std::string &_name, GpuTLB *gpu_TLB, PortID _index) | |
 Public Member Functions inherited from gem5::ResponsePort | |
| ResponsePort (const std::string &name, SimObject *_owner, PortID id=InvalidPortID) | |
| Response port. | |
| ResponsePort (const std::string &name, PortID id=InvalidPortID) | |
| virtual | ~ResponsePort () |
| bool | isSnooping () const |
| Find out if the peer request port is snooping or not. | |
| void | sendRangeChange () const |
| Called by the owner to send a range change. | |
| void | unbind () override |
| We let the request port do the work, so these don't do anything. | |
| void | bind (Port &peer) override |
| Attach to a peer port. | |
| 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. | |
| 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. | |
| bool | sendTimingResp (PacketPtr pkt) |
| Attempt to send a timing response to the request port by calling its corresponding receive function. | |
| void | sendTimingSnoopReq (PacketPtr pkt) |
| Attempt to send a timing snoop request packet to the request port by calling its corresponding receive function. | |
| void | sendRetryReq () |
| Send a retry to the request port that previously attempted a sendTimingReq to this response port and failed. | |
| void | sendRetrySnoopResp () |
| Send a retry to the request port that previously attempted a sendTimingSnoopResp to this response 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 | |
| virtual bool | recvTimingReq (PacketPtr pkt) |
| recvTiming receives a coalesced timing request from a TLBCoalescer and it calls issueTLBLookup() It only rejects the packet if we have exceeded the max outstanding number of requests for the TLB | |
| virtual Tick | recvAtomic (PacketPtr pkt) |
| Receive an atomic request packet from the peer. | |
| virtual void | recvFunctional (PacketPtr pkt) |
| Receive a functional request packet from the peer. | |
| virtual void | recvRangeChange () |
| virtual void | recvReqRetry () |
| virtual void | recvRespRetry () |
| Called by the peer if sendTimingResp was called on this protocol (causing recvTimingResp to be called on the peer) and was unsuccessful. | |
| virtual AddrRangeList | getAddrRanges () const |
| Get a list of the non-overlapping address ranges the owner is responsible for. | |
| Protected Member Functions inherited from gem5::ResponsePort | |
| void | responderUnbind () |
| Called by the request port to unbind. | |
| void | responderBind (RequestPort &request_port) |
| Called by the request port to bind. | |
| Tick | recvAtomicBackdoor (PacketPtr pkt, MemBackdoorPtr &backdoor) override |
| Default implementations. | |
| void | recvMemBackdoorReq (const MemBackdoorReq &req, MemBackdoorPtr &backdoor) override |
| Receive a request for a back door to a range of memory. | |
| bool | tryTiming (PacketPtr pkt) override |
| Availability request from the peer. | |
| bool | recvTimingSnoopResp (PacketPtr pkt) override |
| Receive a timing snoop response from the peer. | |
| 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::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. | |
| 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. | |
| void | sendSnoopReq (TimingRequestProtocol *peer, PacketPtr pkt) |
| Attempt to send a timing snoop request packet to the peer by calling its corresponding receive function. | |
| void | sendRetryReq (TimingRequestProtocol *peer) |
| Send a retry to the peer that previously attempted a sendTimingReq to this protocol and failed. | |
| void | sendRetrySnoopResp (TimingRequestProtocol *peer) |
| Send a retry to the peer that previously attempted a sendTimingSnoopResp to this peer and failed. | |
| 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. | |
Protected Attributes | |
| GpuTLB * | tlb |
| int | index |
| Protected Attributes inherited from gem5::ResponsePort | |
| 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
Constructor & Destructor Documentation
◆ CpuSidePort()
Member Function Documentation
◆ getAddrRanges()
|
protectedvirtual |
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.
◆ recvAtomic()
Receive an atomic request packet from the peer.
Implements gem5::AtomicResponseProtocol.
◆ recvFunctional()
|
protectedvirtual |
Receive a functional request packet from the peer.
Implements gem5::FunctionalResponseProtocol.
Definition at line 1113 of file tlb.cc.
References DPRINTF, gem5::BaseMMU::Execute, gem5::ThreadContext::getProcessPtr(), gem5::GpuTranslationState::hitLevel, gem5::GpuTranslationState::isPrefetch, gem5::X86ISA::p, gem5::EmulationPageTable::Entry::paddr, gem5::X86ISA::TlbEntry::paddr, gem5::X86ISA::PageBytes, gem5::Packet::req, gem5::GpuTranslationState::reqCnt, gem5::roundDown(), gem5::safe_cast(), gem5::Packet::senderState, gem5::GpuTranslationState::tc, gem5::X86ISA::GpuTLB::tlb, gem5::X86ISA::GpuTLB::TLB_HIT, gem5::X86ISA::GpuTLB::TLB_MISS, gem5::GpuTranslationState::tlbEntry, gem5::GpuTranslationState::tlbMode, gem5::MipsISA::vaddr, and gem5::X86ISA::TlbEntry::vaddr.
◆ recvRangeChange()
|
inlineprotectedvirtual |
◆ recvReqRetry()
|
protectedvirtual |
◆ recvRespRetry()
|
inlineprotectedvirtual |
Called by the peer if sendTimingResp was called on this protocol (causing recvTimingResp to be called on the peer) and was unsuccessful.
Implements gem5::TimingResponseProtocol.
Definition at line 228 of file tlb.hh.
References panic.
◆ recvTimingReq()
|
protectedvirtual |
recvTiming receives a coalesced timing request from a TLBCoalescer and it calls issueTLBLookup() It only rejects the packet if we have exceeded the max outstanding number of requests for the TLB
Implements gem5::TimingResponseProtocol.
Definition at line 1018 of file tlb.cc.
References DPRINTF, and gem5::X86ISA::GpuTLB::tlb.
Member Data Documentation
◆ index
◆ tlb
The documentation for this class was generated from the following files:
Generated on Tue Jun 18 2024 16:24:54 for gem5 by doxygen 1.11.0