gem5
v20.1.0.0
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SingleDataRequest is used for requests that don't fragment. More...
#include <lsq.hh>
Public Member Functions | |
void | startAddrTranslation () |
Send single translation request. More... | |
PacketPtr | getHeadPacket () |
Get the head packet as counted by numIssuedFragments. More... | |
void | stepToNextPacket () |
Remember that the packet has been sent. More... | |
bool | hasPacketsInMemSystem () |
Has packet been sent. More... | |
bool | sentAllPackets () |
packetInFlight can become false again, so need to check packetSent More... | |
void | retireResponse (PacketPtr packet_) |
Keep the given packet as the response packet LSQRequest::packet. More... | |
SingleDataRequest (LSQ &port_, MinorDynInstPtr inst_, bool isLoad_, PacketDataPtr data_=NULL, uint64_t *res_=NULL) | |
Public Member Functions inherited from Minor::LSQ::LSQRequest | |
LSQRequest (LSQ &port_, MinorDynInstPtr inst_, bool isLoad_, PacketDataPtr data_=NULL, uint64_t *res_=NULL) | |
virtual | ~LSQRequest () |
void | makePacket () |
Make a packet to use with the memory transaction. More... | |
bool | skippedMemAccess () |
Was no memory access attempted for this request? More... | |
void | setSkipped () |
Set this request as having been skipped before a memory transfer was attempt. More... | |
AddrRangeCoverage | containsAddrRangeOf (LSQRequest *other_request) |
Does this request's address range fully cover the range of other_request? More... | |
virtual bool | isBarrier () |
Is this a request a barrier? More... | |
bool | needsToBeSentToStoreBuffer () |
This request, once processed by the requests/transfers queues, will need to go to the store buffer. More... | |
void | setState (LSQRequestState new_state) |
Set state and output trace output. More... | |
bool | isComplete () const |
Has this request been completed. More... | |
void | reportData (std::ostream &os) const |
MinorTrace report interface. More... | |
Public Member Functions inherited from BaseTLB::Translation | |
virtual | ~Translation () |
virtual bool | squashed () const |
This function is used by the page table walker to determine if it should translate the a pending request or if the underlying request has been squashed. More... | |
Public Member Functions inherited from Packet::SenderState | |
SenderState () | |
virtual | ~SenderState () |
Protected Member Functions | |
void | finish (const Fault &fault_, const RequestPtr &request_, ThreadContext *tc, BaseTLB::Mode mode) |
TLB interace. More... | |
Protected Member Functions inherited from Minor::LSQ::LSQRequest | |
void | markDelayed () |
BaseTLB::Translation interface. More... | |
void | tryToSuppressFault () |
Instructions may want to suppress translation faults (e.g. More... | |
void | disableMemAccess () |
void | completeDisabledMemAccess () |
Protected Attributes | |
bool | packetInFlight |
Has my only packet been sent to the memory system but has not yet been responded to. More... | |
bool | packetSent |
Has the packet been at least sent to the memory system? More... | |
Additional Inherited Members | |
Public Types inherited from Minor::LSQ::LSQRequest | |
enum | LSQRequestState { NotIssued, InTranslation, Translated, Failed, RequestIssuing, StoreToStoreBuffer, RequestNeedsRetry, StoreInStoreBuffer, StoreBufferIssuing, StoreBufferNeedsRetry, Complete } |
Static Public Member Functions inherited from Minor::LSQ::LSQRequest | |
static AddrRangeCoverage | containsAddrRangeOf (Addr req1_addr, unsigned int req1_size, Addr req2_addr, unsigned int req2_size) |
Does address range req1 (req1_addr to req1_addr + req1_size - 1) fully cover, partially cover or not cover at all the range req2. More... | |
Public Attributes inherited from Minor::LSQ::LSQRequest | |
LSQ & | port |
Owning port. More... | |
MinorDynInstPtr | inst |
Instruction which made this request. More... | |
bool | isLoad |
Load/store indication used for building packet. More... | |
PacketDataPtr | data |
Dynamically allocated and populated data carried for building write packets. More... | |
PacketPtr | packet |
RequestPtr | request |
The underlying request of this LSQRequest. More... | |
uint64_t * | res |
Res from pushRequest. More... | |
bool | skipped |
Was skipped. More... | |
bool | issuedToMemory |
This in an access other than a normal cacheable load that's visited the memory system. More... | |
bool | isTranslationDelayed |
Address translation is delayed due to table walk. More... | |
LSQRequestState | state |
Public Attributes inherited from Packet::SenderState | |
SenderState * | predecessor |
SingleDataRequest is used for requests that don't fragment.
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inline |
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protectedvirtual |
TLB interace.
Implements BaseTLB::Translation.
Definition at line 268 of file lsq.cc.
References Complete, DPRINTFS, Minor::Pipeline::ExecuteStageId, and NoFault.
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inlinevirtual |
Get the head packet as counted by numIssuedFragments.
Implements Minor::LSQ::LSQRequest.
Definition at line 356 of file lsq.hh.
References Minor::LSQ::LSQRequest::packet.
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inlinevirtual |
Has packet been sent.
Implements Minor::LSQ::LSQRequest.
Definition at line 362 of file lsq.hh.
References packetInFlight.
Keep the given packet as the response packet LSQRequest::packet.
Implements Minor::LSQ::LSQRequest.
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inlinevirtual |
packetInFlight can become false again, so need to check packetSent
Implements Minor::LSQ::LSQRequest.
Definition at line 366 of file lsq.hh.
References packetSent.
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virtual |
Send single translation request.
Implements Minor::LSQ::LSQRequest.
Definition at line 298 of file lsq.cc.
References Minor::LSQ::LSQRequest::Complete, DPRINTFS, ThreadContext::getDTBPtr(), Minor::LSQ::LSQRequest::InTranslation, isAnyActiveElement(), BaseTLB::Read, BaseTLB::translateTiming(), and BaseTLB::Write.
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inlinevirtual |
Remember that the packet has been sent.
Implements Minor::LSQ::LSQRequest.
Definition at line 359 of file lsq.hh.
References packetInFlight, and packetSent.
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protected |
Has my only packet been sent to the memory system but has not yet been responded to.
Definition at line 346 of file lsq.hh.
Referenced by hasPacketsInMemSystem(), and stepToNextPacket().
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protected |
Has the packet been at least sent to the memory system?
Definition at line 349 of file lsq.hh.
Referenced by sentAllPackets(), and stepToNextPacket().