gem5 v24.0.0.0
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gem5::VegaISA::Walker Class Reference

#include <pagetable_walker.hh>

Inheritance diagram for gem5::VegaISA::Walker:
gem5::ClockedObject gem5::SimObject gem5::Clocked gem5::EventManager gem5::Serializable gem5::Drainable gem5::statistics::Group gem5::Named

Classes

class  WalkerPort
 
struct  WalkerSenderState
 
class  WalkerState
 

Public Member Functions

void startTiming (PacketPtr pkt, Addr base, Addr vaddr, BaseMMU::Mode mode)
 
Fault startFunctional (Addr base, Addr vaddr, PageTableEntry &pte, unsigned &logBytes, BaseMMU::Mode mode)
 
Fault startFunctional (Addr base, Addr &addr, unsigned &logBytes, BaseMMU::Mode mode, bool &isSystem)
 
PortgetPort (const std::string &if_name, PortID idx=InvalidPortID) override
 gem5 methods
 
Addr getBaseAddr () const
 
void setBaseAddr (Addr ta)
 
void setDevRequestor (RequestorID mid)
 
RequestorID getDevRequestor () const
 
void setTLB (GpuTLB *_tlb)
 
 Walker (const VegaPagetableWalkerParams &p)
 
- Public Member Functions inherited from gem5::ClockedObject
 ClockedObject (const ClockedObjectParams &p)
 
void serialize (CheckpointOut &cp) const override
 Serialize an object.
 
void unserialize (CheckpointIn &cp) override
 Unserialize an object.
 
- Public Member Functions inherited from gem5::SimObject
const Paramsparams () const
 
 SimObject (const Params &p)
 
virtual ~SimObject ()
 
virtual void init ()
 init() is called after all C++ SimObjects have been created and all ports are connected.
 
virtual void loadState (CheckpointIn &cp)
 loadState() is called on each SimObject when restoring from a checkpoint.
 
virtual void initState ()
 initState() is called on each SimObject when not restoring from a checkpoint.
 
virtual void regProbePoints ()
 Register probe points for this object.
 
virtual void regProbeListeners ()
 Register probe listeners for this object.
 
ProbeManagergetProbeManager ()
 Get the probe manager for this object.
 
virtual void startup ()
 startup() is the final initialization call before simulation.
 
DrainState drain () override
 Provide a default implementation of the drain interface for objects that don't need draining.
 
virtual void memWriteback ()
 Write back dirty buffers to memory using functional writes.
 
virtual void memInvalidate ()
 Invalidate the contents of memory buffers.
 
void serialize (CheckpointOut &cp) const override
 Serialize an object.
 
void unserialize (CheckpointIn &cp) override
 Unserialize an object.
 
- Public Member Functions inherited from gem5::EventManager
EventQueueeventQueue () const
 
void schedule (Event &event, Tick when)
 
void deschedule (Event &event)
 
void reschedule (Event &event, Tick when, bool always=false)
 
void schedule (Event *event, Tick when)
 
void deschedule (Event *event)
 
void reschedule (Event *event, Tick when, bool always=false)
 
void wakeupEventQueue (Tick when=(Tick) -1)
 This function is not needed by the usual gem5 event loop but may be necessary in derived EventQueues which host gem5 on other schedulers.
 
void setCurTick (Tick newVal)
 
 EventManager (EventManager &em)
 Event manger manages events in the event queue.
 
 EventManager (EventManager *em)
 
 EventManager (EventQueue *eq)
 
- Public Member Functions inherited from gem5::Serializable
 Serializable ()
 
virtual ~Serializable ()
 
void serializeSection (CheckpointOut &cp, const char *name) const
 Serialize an object into a new section.
 
void serializeSection (CheckpointOut &cp, const std::string &name) const
 
void unserializeSection (CheckpointIn &cp, const char *name)
 Unserialize an a child object.
 
void unserializeSection (CheckpointIn &cp, const std::string &name)
 
- Public Member Functions inherited from gem5::Drainable
DrainState drainState () const
 Return the current drain state of an object.
 
virtual void notifyFork ()
 Notify a child process of a fork.
 
- Public Member Functions inherited from gem5::statistics::Group
 Group (Group *parent, const char *name=nullptr)
 Construct a new statistics group.
 
virtual ~Group ()
 
virtual void regStats ()
 Callback to set stat parameters.
 
virtual void resetStats ()
 Callback to reset stats.
 
virtual void preDumpStats ()
 Callback before stats are dumped.
 
void addStat (statistics::Info *info)
 Register a stat with this group.
 
const std::map< std::string, Group * > & getStatGroups () const
 Get all child groups associated with this object.
 
const std::vector< Info * > & getStats () const
 Get all stats associated with this object.
 
void addStatGroup (const char *name, Group *block)
 Add a stat block as a child of this block.
 
const InforesolveStat (std::string name) const
 Resolve a stat by its name within this group.
 
void mergeStatGroup (Group *block)
 Merge the contents (stats & children) of a block to this block.
 
 Group ()=delete
 
 Group (const Group &)=delete
 
Groupoperator= (const Group &)=delete
 
- Public Member Functions inherited from gem5::Named
 Named (const std::string &name_)
 
virtual ~Named ()=default
 
virtual std::string name () const
 
- Public Member Functions inherited from gem5::Clocked
void updateClockPeriod ()
 Update the tick to the current tick.
 
Tick clockEdge (Cycles cycles=Cycles(0)) const
 Determine the tick when a cycle begins, by default the current one, but the argument also enables the caller to determine a future cycle.
 
Cycles curCycle () const
 Determine the current cycle, corresponding to a tick aligned to a clock edge.
 
Tick nextCycle () const
 Based on the clock of the object, determine the start tick of the first cycle that is at least one cycle in the future.
 
uint64_t frequency () const
 
Tick clockPeriod () const
 
double voltage () const
 
Cycles ticksToCycles (Tick t) const
 
Tick cyclesToTicks (Cycles c) const
 

Protected Member Functions

void recvTimingResp (PacketPtr pkt)
 
void recvReqRetry ()
 
bool sendTiming (WalkerState *sendingState, PacketPtr pkt)
 
void walkerResponse (WalkerState *state, VegaTlbEntry &entry, PacketPtr pkt)
 
- Protected Member Functions inherited from gem5::Drainable
 Drainable ()
 
virtual ~Drainable ()
 
virtual void drainResume ()
 Resume execution after a successful drain.
 
void signalDrainDone () const
 Signal that an object is drained.
 
- Protected Member Functions inherited from gem5::Clocked
 Clocked (ClockDomain &clk_domain)
 Create a clocked object and set the clock domain based on the parameters.
 
 Clocked (Clocked &)=delete
 
Clockedoperator= (Clocked &)=delete
 
virtual ~Clocked ()
 Virtual destructor due to inheritance.
 
void resetClock () const
 Reset the object's clock using the current global tick value.
 
virtual void clockPeriodUpdated ()
 A hook subclasses can implement so they can do any extra work that's needed when the clock rate is changed.
 

Protected Attributes

WalkerPort port
 
std::list< WalkerState * > currStates
 
WalkerState funcState
 
GpuTLBtlb
 
RequestorID requestorId
 
Addr baseAddr
 
RequestorID deviceRequestorId
 
Systemsystem
 
- Protected Attributes inherited from gem5::SimObject
const SimObjectParams & _params
 Cached copy of the object parameters.
 
- Protected Attributes inherited from gem5::EventManager
EventQueueeventq
 A pointer to this object's event queue.
 

Friends

class WalkerPort
 
class WalkerState
 

Additional Inherited Members

- Public Types inherited from gem5::ClockedObject
using Params = ClockedObjectParams
 Parameters of ClockedObject.
 
- Public Types inherited from gem5::SimObject
typedef SimObjectParams Params
 
- Static Public Member Functions inherited from gem5::SimObject
static void serializeAll (const std::string &cpt_dir)
 Create a checkpoint by serializing all SimObjects in the system.
 
static SimObjectfind (const char *name)
 Find the SimObject with the given name and return a pointer to it.
 
static void setSimObjectResolver (SimObjectResolver *resolver)
 There is a single object name resolver, and it is only set when simulation is restoring from checkpoints.
 
static SimObjectResolvergetSimObjectResolver ()
 There is a single object name resolver, and it is only set when simulation is restoring from checkpoints.
 
- Static Public Member Functions inherited from gem5::Serializable
static const std::string & currentSection ()
 Gets the fully-qualified name of the active section.
 
static void generateCheckpointOut (const std::string &cpt_dir, std::ofstream &outstream)
 Generate a checkpoint file so that the serialization can be routed to it.
 
- Public Attributes inherited from gem5::ClockedObject
PowerStatepowerState
 

Detailed Description

Definition at line 54 of file pagetable_walker.hh.

Constructor & Destructor Documentation

◆ Walker()

gem5::VegaISA::Walker::Walker ( const VegaPagetableWalkerParams & p)
inline

Definition at line 194 of file pagetable_walker.hh.

References DPRINTF.

Member Function Documentation

◆ getBaseAddr()

Addr gem5::VegaISA::Walker::getBaseAddr ( ) const
inline

Definition at line 161 of file pagetable_walker.hh.

References baseAddr.

◆ getDevRequestor()

RequestorID gem5::VegaISA::Walker::getDevRequestor ( ) const
inline

Definition at line 165 of file pagetable_walker.hh.

References deviceRequestorId.

Referenced by gem5::GPUCommandProcessor::submitDispatchPkt().

◆ getPort()

Port & gem5::VegaISA::Walker::getPort ( const std::string & if_name,
PortID idx = InvalidPortID )
overridevirtual

gem5 methods

Reimplemented from gem5::SimObject.

Definition at line 492 of file pagetable_walker.cc.

References gem5::SimObject::getPort(), and port.

◆ recvReqRetry()

void gem5::VegaISA::Walker::recvReqRetry ( )
protected

◆ recvTimingResp()

◆ sendTiming()

bool gem5::VegaISA::Walker::sendTiming ( WalkerState * sendingState,
PacketPtr pkt )
protected

◆ setBaseAddr()

void gem5::VegaISA::Walker::setBaseAddr ( Addr ta)
inline

Definition at line 162 of file pagetable_walker.hh.

References baseAddr, and gem5::MipsISA::ta.

◆ setDevRequestor()

◆ setTLB()

void gem5::VegaISA::Walker::setTLB ( GpuTLB * _tlb)
inline

Definition at line 188 of file pagetable_walker.hh.

References tlb.

◆ startFunctional() [1/2]

Fault gem5::VegaISA::Walker::startFunctional ( Addr base,
Addr & addr,
unsigned & logBytes,
BaseMMU::Mode mode,
bool & isSystem )

◆ startFunctional() [2/2]

◆ startTiming()

◆ walkerResponse()

void gem5::VegaISA::Walker::walkerResponse ( WalkerState * state,
VegaTlbEntry & entry,
PacketPtr pkt )
protected

Definition at line 439 of file pagetable_walker.cc.

References state, tlb, and gem5::VegaISA::GpuTLB::walkerResponse().

Friends And Related Symbol Documentation

◆ WalkerPort

friend class WalkerPort
friend

Definition at line 72 of file pagetable_walker.hh.

◆ WalkerState

friend class WalkerState
friend

Definition at line 136 of file pagetable_walker.hh.

Referenced by startTiming().

Member Data Documentation

◆ baseAddr

Addr gem5::VegaISA::Walker::baseAddr
protected

◆ currStates

std::list<WalkerState *> gem5::VegaISA::Walker::currStates
protected

Definition at line 139 of file pagetable_walker.hh.

Referenced by recvReqRetry(), and startTiming().

◆ deviceRequestorId

RequestorID gem5::VegaISA::Walker::deviceRequestorId
protected

Definition at line 174 of file pagetable_walker.hh.

Referenced by getDevRequestor(), and setDevRequestor().

◆ funcState

WalkerState gem5::VegaISA::Walker::funcState
protected

Definition at line 141 of file pagetable_walker.hh.

Referenced by startFunctional().

◆ port

WalkerPort gem5::VegaISA::Walker::port
protected

Definition at line 73 of file pagetable_walker.hh.

Referenced by getPort(), and sendTiming().

◆ requestorId

RequestorID gem5::VegaISA::Walker::requestorId
protected

Definition at line 170 of file pagetable_walker.hh.

◆ system

System* gem5::VegaISA::Walker::system
protected

◆ tlb

GpuTLB* gem5::VegaISA::Walker::tlb
protected

Definition at line 169 of file pagetable_walker.hh.

Referenced by setTLB(), and walkerResponse().


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