gem5::minor::LSQ::SpecialDataRequest Class Reference

Special request types that don't actually issue memory requests. More...

#include <lsq.hh>

Inheritance diagram for gem5::minor::LSQ::SpecialDataRequest:

Public Member Functions
void	startAddrTranslation ()
	Send single translation request.
PacketPtr	getHeadPacket ()
	Get the head packet as counted by numIssuedFragments.
void	stepToNextPacket ()
	Step on numIssuedFragments.
bool	sentAllPackets ()
	Has no packets to send.
bool	hasPacketsInMemSystem ()
	Never sends any requests.
void	retireResponse (PacketPtr packet_)
	Keep the given packet as the response packet LSQRequest::packet.
	SpecialDataRequest (LSQ &port_, MinorDynInstPtr inst_)
Public Member Functions inherited from gem5::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.
bool	skippedMemAccess ()
	Was no memory access attempted for this request?
void	setSkipped ()
	Set this request as having been skipped before a memory transfer was attempt.
AddrRangeCoverage	containsAddrRangeOf (LSQRequest *other_request)
	Does this request's address range fully cover the range of other_request?
virtual bool	isBarrier ()
	Is this a request a barrier?
bool	needsToBeSentToStoreBuffer ()
	This request, once processed by the requests/transfers queues, will need to go to the store buffer.
void	setState (LSQRequestState new_state)
	Set state and output trace output.
bool	isComplete () const
	Has this request been completed.
void	reportData (std::ostream &os) const
	MinorTrace report interface.
Public Member Functions inherited from gem5::BaseMMU::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.
Public Member Functions inherited from gem5::Packet::SenderState
	SenderState ()
virtual	~SenderState ()

Protected Member Functions
void	finish (const Fault &fault_, const RequestPtr &request_, ThreadContext *tc, BaseMMU::Mode mode)
	TLB interace.
Protected Member Functions inherited from gem5::minor::LSQ::LSQRequest
void	markDelayed ()
	BaseMMU::Translation interface.
void	tryToSuppressFault ()
	Instructions may want to suppress translation faults (e.g.
void	disableMemAccess ()
void	completeDisabledMemAccess ()

Additional Inherited Members
Public Types inherited from gem5::minor::LSQ::LSQRequest
enum	LSQRequestState {   NotIssued , InTranslation , Translated , Failed ,   RequestIssuing , StoreToStoreBuffer , RequestNeedsRetry , StoreInStoreBuffer ,   StoreBufferIssuing , StoreBufferNeedsRetry , Complete }
Static Public Member Functions inherited from gem5::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.
Public Attributes inherited from gem5::minor::LSQ::LSQRequest
LSQ &	port
	Owning port.
MinorDynInstPtr	inst
	Instruction which made this request.
bool	isLoad
	Load/store indication used for building packet.
PacketDataPtr	data
	Dynamically allocated and populated data carried for building write packets.
PacketPtr	packet
RequestPtr	request
	The underlying request of this LSQRequest.
uint64_t *	res
	Res from pushRequest.
bool	skipped
	Was skipped.
bool	issuedToMemory
	This in an access other than a normal cacheable load that's visited the memory system.
bool	isTranslationDelayed
	Address translation is delayed due to table walk.
LSQRequestState	state
Public Attributes inherited from gem5::Packet::SenderState
SenderState *	predecessor

Detailed Description

Special request types that don't actually issue memory requests.

Definition at line 284 of file lsq.hh.

Constructor & Destructor Documentation

SpecialDataRequest()

gem5::minor::LSQ::SpecialDataRequest::SpecialDataRequest ( LSQ & port_, MinorDynInstPtr inst_ )

inline

Definition at line 314 of file lsq.hh.

Member Function Documentation

finish()

void gem5::minor::LSQ::SpecialDataRequest::finish ( const Fault & fault_, const RequestPtr & request_, ThreadContext * tc, BaseMMU::Mode mode )

inlineprotectedvirtual

TLB interace.

Implements gem5::BaseMMU::Translation.

Definition at line 288 of file lsq.hh.

getHeadPacket()

PacketPtr gem5::minor::LSQ::SpecialDataRequest::getHeadPacket ( )

inlinevirtual

Get the head packet as counted by numIssuedFragments.

Implements gem5::minor::LSQ::LSQRequest.

Definition at line 297 of file lsq.hh.

References fatal.

hasPacketsInMemSystem()

bool gem5::minor::LSQ::SpecialDataRequest::hasPacketsInMemSystem ( )

inlinevirtual

Never sends any requests.

Implements gem5::minor::LSQ::LSQRequest.

Definition at line 307 of file lsq.hh.

retireResponse()

void gem5::minor::LSQ::SpecialDataRequest::retireResponse ( PacketPtr packet_ )

inlinevirtual

Keep the given packet as the response packet LSQRequest::packet.

Implements gem5::minor::LSQ::LSQRequest.

Definition at line 311 of file lsq.hh.

sentAllPackets()

bool gem5::minor::LSQ::SpecialDataRequest::sentAllPackets ( )

inlinevirtual

Has no packets to send.

Implements gem5::minor::LSQ::LSQRequest.

Definition at line 304 of file lsq.hh.

startAddrTranslation()

void gem5::minor::LSQ::SpecialDataRequest::startAddrTranslation ( )

inlinevirtual

Send single translation request.

Implements gem5::minor::LSQ::LSQRequest.

Definition at line 294 of file lsq.hh.

stepToNextPacket()

void gem5::minor::LSQ::SpecialDataRequest::stepToNextPacket ( )

inlinevirtual

Step on numIssuedFragments.

Implements gem5::minor::LSQ::LSQRequest.

Definition at line 301 of file lsq.hh.

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

• cpu/minor/lsq.hh