gem5  v20.1.0.0
Public Member Functions | Protected Types | Protected Member Functions | Protected Attributes | List of all members
LSQ< Impl >::HtmCmdRequest Class Reference

#include <lsq.hh>

Inheritance diagram for LSQ< Impl >::HtmCmdRequest:
LSQ< Impl >::SingleDataRequest LSQ< Impl >::LSQRequest BaseTLB::Translation

Public Member Functions

 HtmCmdRequest (LSQUnit *port, const DynInstPtr &inst, const Request::Flags &flags_)
 
virtual ~HtmCmdRequest ()
 
virtual void initiateTranslation ()
 
virtual void finish (const Fault &fault, const RequestPtr &req, ThreadContext *tc, BaseTLB::Mode mode)
 
virtual std::string name () const
 
- Public Member Functions inherited from LSQ< Impl >::SingleDataRequest
 SingleDataRequest (LSQUnit *port, const DynInstPtr &inst, bool isLoad, const Addr &addr, const uint32_t &size, const Request::Flags &flags_, PacketDataPtr data=nullptr, uint64_t *res=nullptr, AtomicOpFunctorPtr amo_op=nullptr)
 
virtual ~SingleDataRequest ()
 
virtual bool recvTimingResp (PacketPtr pkt)
 
virtual void sendPacketToCache ()
 
virtual void buildPackets ()
 
virtual Cycles handleLocalAccess (ThreadContext *thread, PacketPtr pkt)
 Memory mapped IPR accesses. More...
 
virtual bool isCacheBlockHit (Addr blockAddr, Addr cacheBlockMask)
 Test if the request accesses a particular cache line. More...
 
- Public Member Functions inherited from LSQ< Impl >::LSQRequest
void packetSent ()
 Update the status to reflect that a packet was sent. More...
 
void packetNotSent ()
 Update the status to reflect that a packet was not sent. More...
 
void sendFragmentToTranslation (int i)
 
bool isComplete ()
 
bool isInTranslation ()
 
bool isTranslationComplete ()
 
bool isTranslationBlocked ()
 
bool isSent ()
 
bool isPartialFault ()
 
bool isMemAccessRequired ()
 
void setStateToFault ()
 
void freeLSQEntry ()
 The LSQ entry is cleared. More...
 
void discard ()
 The request is discarded (e.g. More...
 
void packetReplied ()
 
void writebackScheduled ()
 
void writebackDone ()
 
void squashTranslation ()
 
void complete ()
 
void setContext (const ContextID &context_id)
 Convenience getters/setters. More...
 
const DynInstPtrinstruction ()
 
void setVirt (Addr vaddr, unsigned size, Request::Flags flags_, RequestorID requestor_id, Addr pc)
 Set up virtual request. More...
 
void taskId (const uint32_t &v)
 
uint32_t taskId () const
 
RequestPtr request (int idx=0)
 
const RequestPtr request (int idx=0) const
 
Addr getVaddr (int idx=0) const
 
PacketPtr packet (int idx=0)
 
virtual PacketPtr mainPacket ()
 
virtual RequestPtr mainRequest ()
 
void senderState (LSQSenderState *st)
 
const LSQSenderStatesenderState () const
 
void discardSenderState ()
 Mark senderState as discarded. More...
 
bool isAnyOutstandingRequest ()
 Test if there is any in-flight translation or mem access request. More...
 
bool isSplit () const
 
- Public Member Functions inherited from BaseTLB::Translation
virtual ~Translation ()
 

Protected Types

using Flag = typename LSQRequest::Flag
 
using State = typename LSQRequest::State
 
- Protected Types inherited from LSQ< Impl >::SingleDataRequest
using Flag = typename LSQRequest::Flag
 
using State = typename LSQRequest::State
 
- Protected Types inherited from LSQ< Impl >::LSQRequest
enum  Flag : FlagsStorage {
  IsLoad = 0x00000001, WbStore = 0x00000002, Delayed = 0x00000004, IsSplit = 0x00000008,
  TranslationStarted = 0x00000010, TranslationFinished = 0x00000020, Sent = 0x00000040, Retry = 0x00000080,
  Complete = 0x00000100, TranslationSquashed = 0x00000200, Discarded = 0x00000400, LSQEntryFreed = 0x00000800,
  WritebackScheduled = 0x00001000, WritebackDone = 0x00002000, IsAtomic = 0x00004000
}
 
enum  State {
  State::NotIssued, State::Translation, State::Request, State::Fault,
  State::PartialFault
}
 
typedef uint32_t FlagsStorage
 
typedef ::Flags< FlagsStorageFlagsType
 

Protected Member Functions

void setState (const State &newState)
 
- Protected Member Functions inherited from LSQ< Impl >::SingleDataRequest
bool isLoad () const
 
bool isTranslationComplete ()
 
LSQUnitlsqUnit ()
 
RequestPtr request (int idx=0)
 
const RequestPtr request (int idx=0) const
 
void sendFragmentToTranslation (int i)
 
void setState (const State &newState)
 
- Protected Member Functions inherited from LSQ< Impl >::LSQRequest
void setState (const State &newState)
 
void markDelayed () override
 Signal that the translation has been delayed due to a hw page table walk. More...
 
bool isDelayed ()
 
LSQUnitlsqUnit ()
 
 LSQRequest (LSQUnit *port, const DynInstPtr &inst, bool isLoad)
 
 LSQRequest (LSQUnit *port, const DynInstPtr &inst, bool isLoad, const Addr &addr, const uint32_t &size, const Request::Flags &flags_, PacketDataPtr data=nullptr, uint64_t *res=nullptr, AtomicOpFunctorPtr amo_op=nullptr)
 
bool isLoad () const
 
bool isAtomic () const
 
void install ()
 Install the request in the LQ/SQ. More...
 
virtual bool squashed () const override
 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...
 
bool isReleased ()
 Test if the LSQRequest has been released, i.e. More...
 
void release (Flag reason)
 Release the LSQRequest. More...
 
void addRequest (Addr addr, unsigned size, const std::vector< bool > &byte_enable)
 Helper function used to add a (sub)request, given its address addr, size size and byte-enable mask byteEnable. More...
 
virtual ~LSQRequest ()
 Destructor. More...
 

Protected Attributes

const Addr _addr
 
const uint32_t _size
 
std::vector< bool > _byteEnable
 
std::vector< RequestPtr_requests
 
const DynInstPtr _inst
 
uint32_t _taskId
 
FlagsType flags
 
- Protected Attributes inherited from LSQ< Impl >::SingleDataRequest
const Addr _addr
 
std::vector< Fault_fault
 
const Request::Flags _flags
 
const uint32_t _size
 
std::vector< bool > _byteEnable
 
std::vector< RequestPtr_requests
 
const DynInstPtr _inst
 
std::vector< PacketPtr_packets
 
LSQUnit_port
 
uint64_t * _res
 
uint32_t _taskId
 
LSQSenderState_senderState
 
State _state
 
FlagsType flags
 
uint32_t numInTranslationFragments
 
uint32_t numTranslatedFragments
 
uint32_t _numOutstandingPackets
 
AtomicOpFunctorPtr _amo_op
 
- Protected Attributes inherited from LSQ< Impl >::LSQRequest
FlagsType flags
 
State _state
 
LSQSenderState_senderState
 
uint32_t numTranslatedFragments
 
uint32_t numInTranslationFragments
 
uint32_t _entryIdx
 LQ/SQ entry idx. More...
 

Additional Inherited Members

- Public Attributes inherited from LSQ< Impl >::LSQRequest
LSQUnit_port
 
const DynInstPtr _inst
 
uint32_t _taskId
 
PacketDataPtr _data
 
std::vector< PacketPtr_packets
 
std::vector< RequestPtr_requests
 
std::vector< Fault_fault
 
uint64_t * _res
 
const Addr _addr
 
const uint32_t _size
 
const Request::Flags _flags
 
std::vector< bool > _byteEnable
 
uint32_t _numOutstandingPackets
 
AtomicOpFunctorPtr _amo_op
 

Detailed Description

template<class Impl>
class LSQ< Impl >::HtmCmdRequest

Definition at line 750 of file lsq.hh.

Member Typedef Documentation

◆ Flag

template<class Impl >
using LSQ< Impl >::HtmCmdRequest::Flag = typename LSQRequest::Flag
protected

Definition at line 755 of file lsq.hh.

◆ State

template<class Impl >
using LSQ< Impl >::HtmCmdRequest::State = typename LSQRequest::State
protected

Definition at line 756 of file lsq.hh.

Constructor & Destructor Documentation

◆ HtmCmdRequest()

template<class Impl >
LSQ< Impl >::HtmCmdRequest::HtmCmdRequest ( LSQUnit port,
const DynInstPtr inst,
const Request::Flags flags_ 
)

◆ ~HtmCmdRequest()

template<class Impl >
virtual LSQ< Impl >::HtmCmdRequest::~HtmCmdRequest ( )
inlinevirtual

Definition at line 768 of file lsq.hh.

Member Function Documentation

◆ finish()

template<class Impl >
void LSQ< Impl >::HtmCmdRequest::finish ( const Fault fault,
const RequestPtr req,
ThreadContext tc,
BaseTLB::Mode  mode 
)
virtual

Reimplemented from LSQ< Impl >::SingleDataRequest.

Definition at line 1290 of file lsq_impl.hh.

References panic.

◆ initiateTranslation()

template<class Impl >
void LSQ< Impl >::HtmCmdRequest::initiateTranslation
virtual

Reimplemented from LSQ< Impl >::SingleDataRequest.

Definition at line 1272 of file lsq_impl.hh.

◆ name()

template<class Impl >
virtual std::string LSQ< Impl >::HtmCmdRequest::name ( ) const
inlinevirtual

Reimplemented from LSQ< Impl >::SingleDataRequest.

Definition at line 772 of file lsq.hh.

◆ setState()

template<class Impl >
void LSQ< Impl >::LSQRequest::setState
inlineprotected

Definition at line 275 of file lsq.hh.

Member Data Documentation

◆ _addr

template<class Impl >
const Addr LSQ< Impl >::LSQRequest::_addr
protected

Definition at line 295 of file lsq.hh.

◆ _byteEnable

template<class Impl >
std::vector<bool> LSQ< Impl >::LSQRequest::_byteEnable
protected

Definition at line 298 of file lsq.hh.

◆ _inst

template<class Impl >
const DynInstPtr LSQ< Impl >::LSQRequest::_inst
protected

Definition at line 288 of file lsq.hh.

◆ _requests

template<class Impl >
std::vector<RequestPtr> LSQ< Impl >::LSQRequest::_requests
protected

Definition at line 292 of file lsq.hh.

◆ _size

template<class Impl >
const uint32_t LSQ< Impl >::LSQRequest::_size
protected

Definition at line 296 of file lsq.hh.

◆ _taskId

template<class Impl >
uint32_t LSQ< Impl >::LSQRequest::_taskId
protected

Definition at line 289 of file lsq.hh.

◆ flags

template<class Impl >
FlagsType LSQ< Impl >::LSQRequest::flags
protected

Definition at line 263 of file lsq.hh.


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

Generated on Wed Sep 30 2020 14:02:27 for gem5 by doxygen 1.8.17