gem5  v21.1.0.2
Classes | Public Member Functions | Protected Attributes | List of all members
gem5::RegisterFile Class Reference

#include <register_file.hh>

Inheritance diagram for gem5::RegisterFile:
gem5::SimObject gem5::EventManager gem5::Serializable gem5::Drainable gem5::statistics::Group gem5::Named gem5::ScalarRegisterFile gem5::VectorRegisterFile

Classes

class  MarkRegBusyScbEvent
 
class  MarkRegFreeScbEvent
 
class  RegisterEvent
 
struct  RegisterFileStats
 

Public Member Functions

 RegisterFile (const RegisterFileParams &p)
 
virtual ~RegisterFile ()
 
virtual void setParent (ComputeUnit *_computeUnit)
 
int numRegs () const
 
virtual bool operandsReady (Wavefront *w, GPUDynInstPtr ii) const
 
virtual bool regBusy (int idx) const
 
virtual void markReg (int regIdx, bool value)
 
virtual void enqRegFreeEvent (uint32_t regIdx, uint64_t delay)
 
virtual void enqRegBusyEvent (uint32_t regIdx, uint64_t delay)
 
virtual bool canScheduleReadOperands (Wavefront *w, GPUDynInstPtr ii)
 
virtual bool canScheduleWriteOperands (Wavefront *w, GPUDynInstPtr ii)
 
virtual void scheduleReadOperands (Wavefront *w, GPUDynInstPtr ii)
 
virtual void scheduleWriteOperands (Wavefront *w, GPUDynInstPtr ii)
 
virtual bool operandReadComplete (Wavefront *w, GPUDynInstPtr ii)
 
virtual bool canScheduleWriteOperandsFromLoad (Wavefront *w, GPUDynInstPtr ii)
 
virtual void scheduleWriteOperandsFromLoad (Wavefront *w, GPUDynInstPtr ii)
 
virtual void exec ()
 
virtual void waveExecuteInst (Wavefront *w, GPUDynInstPtr ii)
 
virtual std::string dump () const
 
virtual void dispatchInstruction (GPUDynInstPtr ii)
 
- 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. More...
 
virtual void loadState (CheckpointIn &cp)
 loadState() is called on each SimObject when restoring from a checkpoint. More...
 
virtual void initState ()
 initState() is called on each SimObject when not restoring from a checkpoint. More...
 
virtual void regProbePoints ()
 Register probe points for this object. More...
 
virtual void regProbeListeners ()
 Register probe listeners for this object. More...
 
ProbeManagergetProbeManager ()
 Get the probe manager for this object. More...
 
virtual PortgetPort (const std::string &if_name, PortID idx=InvalidPortID)
 Get a port with a given name and index. More...
 
virtual void startup ()
 startup() is the final initialization call before simulation. More...
 
DrainState drain () override
 Provide a default implementation of the drain interface for objects that don't need draining. More...
 
virtual void memWriteback ()
 Write back dirty buffers to memory using functional writes. More...
 
virtual void memInvalidate ()
 Invalidate the contents of memory buffers. More...
 
void serialize (CheckpointOut &cp) const override
 Serialize an object. More...
 
void unserialize (CheckpointIn &cp) override
 Unserialize an object. More...
 
- 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. More...
 
void setCurTick (Tick newVal)
 
 EventManager (EventManager &em)
 Event manger manages events in the event queue. More...
 
 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. More...
 
void serializeSection (CheckpointOut &cp, const std::string &name) const
 
void unserializeSection (CheckpointIn &cp, const char *name)
 Unserialize an a child object. More...
 
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. More...
 
virtual void notifyFork ()
 Notify a child process of a fork. More...
 
- Public Member Functions inherited from gem5::statistics::Group
 Group (Group *parent, const char *name=nullptr)
 Construct a new statistics group. More...
 
virtual ~Group ()
 
virtual void regStats ()
 Callback to set stat parameters. More...
 
virtual void resetStats ()
 Callback to reset stats. More...
 
virtual void preDumpStats ()
 Callback before stats are dumped. More...
 
void addStat (statistics::Info *info)
 Register a stat with this group. More...
 
const std::map< std::string, Group * > & getStatGroups () const
 Get all child groups associated with this object. More...
 
const std::vector< Info * > & getStats () const
 Get all stats associated with this object. More...
 
void addStatGroup (const char *name, Group *block)
 Add a stat block as a child of this block. More...
 
const InforesolveStat (std::string name) const
 Resolve a stat by its name within this group. More...
 
void mergeStatGroup (Group *block)
 Merge the contents (stats & children) of a block to this block. More...
 
 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
 

Protected Attributes

ComputeUnitcomputeUnit
 
int simdId
 
std::vector< bool > busy
 
int _numRegs
 
gem5::RegisterFile::RegisterFileStats stats
 
- Protected Attributes inherited from gem5::SimObject
const SimObjectParams & _params
 Cached copy of the object parameters. More...
 
- Protected Attributes inherited from gem5::EventManager
EventQueueeventq
 A pointer to this object's event queue. More...
 

Additional Inherited Members

- 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. More...
 
static SimObjectfind (const char *name)
 Find the SimObject with the given name and return a pointer to it. More...
 
static void setSimObjectResolver (SimObjectResolver *resolver)
 There is a single object name resolver, and it is only set when simulation is restoring from checkpoints. More...
 
static SimObjectResolvergetSimObjectResolver ()
 There is a single object name resolver, and it is only set when simulation is restoring from checkpoints. More...
 
- Static Public Member Functions inherited from gem5::Serializable
static const std::string & currentSection ()
 Gets the fully-qualified name of the active section. More...
 
static void generateCheckpointOut (const std::string &cpt_dir, std::ofstream &outstream)
 Generate a checkpoint file so that the serialization can be routed to it. More...
 
- Protected Member Functions inherited from gem5::Drainable
 Drainable ()
 
virtual ~Drainable ()
 
virtual void drainResume ()
 Resume execution after a successful drain. More...
 
void signalDrainDone () const
 Signal that an object is drained. More...
 

Detailed Description

Definition at line 58 of file register_file.hh.

Constructor & Destructor Documentation

◆ RegisterFile()

gem5::RegisterFile::RegisterFile ( const RegisterFileParams &  p)

Definition at line 51 of file register_file.cc.

References _numRegs, busy, fatal_if, and simdId.

◆ ~RegisterFile()

gem5::RegisterFile::~RegisterFile ( )
virtual

Definition at line 61 of file register_file.cc.

Member Function Documentation

◆ canScheduleReadOperands()

bool gem5::RegisterFile::canScheduleReadOperands ( Wavefront w,
GPUDynInstPtr  ii 
)
virtual

Definition at line 125 of file register_file.cc.

◆ canScheduleWriteOperands()

bool gem5::RegisterFile::canScheduleWriteOperands ( Wavefront w,
GPUDynInstPtr  ii 
)
virtual

Definition at line 136 of file register_file.cc.

◆ canScheduleWriteOperandsFromLoad()

bool gem5::RegisterFile::canScheduleWriteOperandsFromLoad ( Wavefront w,
GPUDynInstPtr  ii 
)
virtual

Definition at line 147 of file register_file.cc.

◆ dispatchInstruction()

void gem5::RegisterFile::dispatchInstruction ( GPUDynInstPtr  ii)
virtual

Definition at line 191 of file register_file.cc.

◆ dump()

std::string gem5::RegisterFile::dump ( ) const
virtual

Definition at line 72 of file register_file.cc.

References busy, gem5::ArmISA::i, and ss.

◆ enqRegBusyEvent()

void gem5::RegisterFile::enqRegBusyEvent ( uint32_t  regIdx,
uint64_t  delay 
)
virtual

Definition at line 115 of file register_file.cc.

References gem5::curTick(), DPRINTF, gem5::EventManager::schedule(), and simdId.

◆ enqRegFreeEvent()

void gem5::RegisterFile::enqRegFreeEvent ( uint32_t  regIdx,
uint64_t  delay 
)
virtual

◆ exec()

void gem5::RegisterFile::exec ( )
virtual

Definition at line 165 of file register_file.cc.

◆ markReg()

void gem5::RegisterFile::markReg ( int  regIdx,
bool  value 
)
virtual

◆ numRegs()

int gem5::RegisterFile::numRegs ( ) const
inline

◆ operandReadComplete()

bool gem5::RegisterFile::operandReadComplete ( Wavefront w,
GPUDynInstPtr  ii 
)
virtual

Definition at line 158 of file register_file.cc.

◆ operandsReady()

bool gem5::RegisterFile::operandsReady ( Wavefront w,
GPUDynInstPtr  ii 
) const
virtual

Reimplemented in gem5::ScalarRegisterFile, and gem5::VectorRegisterFile.

Definition at line 86 of file register_file.cc.

◆ regBusy()

bool gem5::RegisterFile::regBusy ( int  idx) const
virtual

◆ scheduleReadOperands()

void gem5::RegisterFile::scheduleReadOperands ( Wavefront w,
GPUDynInstPtr  ii 
)
virtual

Definition at line 131 of file register_file.cc.

◆ scheduleWriteOperands()

void gem5::RegisterFile::scheduleWriteOperands ( Wavefront w,
GPUDynInstPtr  ii 
)
virtual

Reimplemented in gem5::ScalarRegisterFile, and gem5::VectorRegisterFile.

Definition at line 142 of file register_file.cc.

◆ scheduleWriteOperandsFromLoad()

void gem5::RegisterFile::scheduleWriteOperandsFromLoad ( Wavefront w,
GPUDynInstPtr  ii 
)
virtual

Reimplemented in gem5::ScalarRegisterFile, and gem5::VectorRegisterFile.

Definition at line 153 of file register_file.cc.

◆ setParent()

void gem5::RegisterFile::setParent ( ComputeUnit _computeUnit)
virtual

◆ waveExecuteInst()

void gem5::RegisterFile::waveExecuteInst ( Wavefront w,
GPUDynInstPtr  ii 
)
virtual

Reimplemented in gem5::ScalarRegisterFile, and gem5::VectorRegisterFile.

Definition at line 170 of file register_file.cc.

Member Data Documentation

◆ _numRegs

int gem5::RegisterFile::_numRegs
protected

Definition at line 155 of file register_file.hh.

Referenced by numRegs(), and RegisterFile().

◆ busy

std::vector<bool> gem5::RegisterFile::busy
protected

Definition at line 152 of file register_file.hh.

Referenced by dump(), markReg(), regBusy(), and RegisterFile().

◆ computeUnit

ComputeUnit* gem5::RegisterFile::computeUnit
protected

◆ simdId

int gem5::RegisterFile::simdId
protected

Definition at line 149 of file register_file.hh.

Referenced by enqRegBusyEvent(), enqRegFreeEvent(), markReg(), and RegisterFile().

◆ stats

gem5::RegisterFile::RegisterFileStats gem5::RegisterFile::stats
protected

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

Generated on Tue Sep 21 2021 12:28:03 for gem5 by doxygen 1.8.17