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PowerISA::TLB Class Reference

#include <tlb.hh>

Inheritance diagram for PowerISA::TLB:
BaseTLB SimObject EventManager Serializable Drainable

Public Types

typedef PowerTLBParams Params
 
- Public Types inherited from BaseTLB
enum  Mode { Read, Write, Execute }
 
- Public Types inherited from SimObject
typedef SimObjectParams Params
 

Public Member Functions

 TLB (const Params *p)
 
virtual ~TLB ()
 
void takeOverFrom (BaseTLB *otlb) override
 Take over from an old tlb context. More...
 
int probeEntry (Addr vpn, uint8_t) const
 
PowerISA::PTEgetEntry (unsigned) const
 
int getsize () const
 
PowerISA::PTEindex (bool advance=true)
 
void insert (Addr vaddr, PowerISA::PTE &pte)
 
void insertAt (PowerISA::PTE &pte, unsigned Index, int _smallPages)
 
void flushAll () override
 Remove all entries from the TLB. More...
 
void demapPage (Addr vaddr, uint64_t asn) override
 
Fault translateInst (RequestPtr req, ThreadContext *tc)
 
Fault translateData (RequestPtr req, ThreadContext *tc, bool write)
 
Fault translateAtomic (RequestPtr req, ThreadContext *tc, Mode mode)
 
void translateTiming (RequestPtr req, ThreadContext *tc, Translation *translation, Mode mode)
 
Fault translateFunctional (RequestPtr req, ThreadContext *tc, Mode mode)
 Stub function for CheckerCPU compilation support. More...
 
Fault finalizePhysical (RequestPtr req, ThreadContext *tc, Mode mode) const
 
void serialize (CheckpointOut &cp) const override
 Serialize an object. More...
 
void unserialize (CheckpointIn &cp) override
 Unserialize an object. More...
 
void regStats () override
 Register statistics for this object. More...
 
- Public Member Functions inherited from BaseTLB
virtual BaseMasterPortgetMasterPort ()
 Get the table walker master port if present. More...
 
void memInvalidate ()
 Invalidate the contents of memory buffers. More...
 
- Public Member Functions inherited from SimObject
const Paramsparams () const
 
 SimObject (const Params *_params)
 
virtual ~SimObject ()
 
virtual const std::string name () const
 
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 resetStats ()
 Reset statistics associated with this object. 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 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...
 
void serialize (CheckpointOut &cp) const override
 Serialize an object. More...
 
void unserialize (CheckpointIn &cp) override
 Unserialize an object. More...
 
- Public Member Functions inherited from EventManager
 EventManager (EventManager &em)
 
 EventManager (EventManager *em)
 
 EventManager (EventQueue *eq)
 
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)
 
void setCurTick (Tick newVal)
 
- Public Member Functions inherited from 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 Drainable
DrainState drainState () const
 Return the current drain state of an object. More...
 
virtual void notifyFork ()
 Notify a child process of a fork. More...
 

Static Public Member Functions

static bool validVirtualAddress (Addr vaddr)
 
static Fault checkCacheability (RequestPtr &req)
 
- Static Public Member Functions inherited from SimObject
static void serializeAll (CheckpointOut &cp)
 Serialize 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 Public Member Functions inherited from Serializable
static const std::string & currentSection ()
 Get the fully-qualified name of the active section. More...
 
static void serializeAll (const std::string &cpt_dir)
 
static void unserializeGlobals (CheckpointIn &cp)
 

Public Attributes

int smallPages
 

Protected Types

typedef std::multimap< Addr, int > PageTable
 

Protected Member Functions

void nextnlu ()
 
PowerISA::PTElookup (Addr vpn, uint8_t asn) const
 
- Protected Member Functions inherited from BaseTLB
 BaseTLB (const Params *p)
 
- Protected Member Functions inherited from Drainable
 Drainable ()
 
virtual ~Drainable ()
 
virtual void drainResume ()
 Resume execution after a successful drain. More...
 
void signalDrainDone () const
 Signal that an object is drained. More...
 

Protected Attributes

PageTable lookupTable
 
PowerISA::PTEtable
 
int size
 
int nlu
 
Stats::Scalar read_hits
 
Stats::Scalar read_misses
 
Stats::Scalar read_acv
 
Stats::Scalar read_accesses
 
Stats::Scalar write_hits
 
Stats::Scalar write_misses
 
Stats::Scalar write_acv
 
Stats::Scalar write_accesses
 
Stats::Formula hits
 
Stats::Formula misses
 
Stats::Formula accesses
 
- Protected Attributes inherited from SimObject
const SimObjectParams * _params
 Cached copy of the object parameters. More...
 
- Protected Attributes inherited from EventManager
EventQueueeventq
 A pointer to this object's event queue. More...
 

Additional Inherited Members

- Static Public Attributes inherited from Serializable
static int ckptCount = 0
 
static int ckptMaxCount = 0
 
static int ckptPrevCount = -1
 

Detailed Description

Definition at line 99 of file tlb.hh.

Member Typedef Documentation

typedef std::multimap<Addr, int> PowerISA::TLB::PageTable
protected

Definition at line 102 of file tlb.hh.

typedef PowerTLBParams PowerISA::TLB::Params

Definition at line 132 of file tlb.hh.

Constructor & Destructor Documentation

TLB::TLB ( const Params p)

Definition at line 67 of file tlb.cc.

References size, smallPages, and table.

TLB::~TLB ( )
virtual

Definition at line 75 of file tlb.cc.

References table.

Member Function Documentation

Fault TLB::checkCacheability ( RequestPtr req)
inlinestatic
void PowerISA::TLB::demapPage ( Addr  vaddr,
uint64_t  asn 
)
inlineoverridevirtual

Implements BaseTLB.

Definition at line 155 of file tlb.hh.

References panic.

Fault TLB::finalizePhysical ( RequestPtr  req,
ThreadContext tc,
Mode  mode 
) const

Definition at line 340 of file tlb.cc.

References NoFault.

void TLB::flushAll ( )
overridevirtual

Remove all entries from the TLB.

Implements BaseTLB.

Definition at line 190 of file tlb.cc.

References DPRINTF, lookupTable, nlu, size, and table.

PowerISA::PTE * TLB::getEntry ( unsigned  Index) const

Definition at line 112 of file tlb.cc.

References size, and table.

int PowerISA::TLB::getsize ( ) const
inline

Definition at line 144 of file tlb.hh.

References size.

PowerISA::PTE & TLB::index ( bool  advance = true)

Definition at line 346 of file tlb.cc.

References nextnlu(), nlu, and table.

Referenced by lookup(), and probeEntry().

void TLB::insert ( Addr  vaddr,
PowerISA::PTE pte 
)

Definition at line 184 of file tlb.cc.

References fatal.

void TLB::insertAt ( PowerISA::PTE pte,
unsigned  Index,
int  _smallPages 
)

Definition at line 160 of file tlb.cc.

References ArmISA::i, lookupTable, size, smallPages, table, and warn.

PowerISA::PTE * TLB::lookup ( Addr  vpn,
uint8_t  asn 
) const
protected
void PowerISA::TLB::nextnlu ( )
inlineprotected

Definition at line 110 of file tlb.hh.

References nlu, and size.

Referenced by index().

int TLB::probeEntry ( Addr  vpn,
uint8_t  asn 
) const
void TLB::regStats ( )
overridevirtual
void TLB::serialize ( CheckpointOut cp) const
overridevirtual

Serialize an object.

Output an object's state into the current checkpoint section.

Parameters
cpCheckpoint state

Implements Serializable.

Definition at line 199 of file tlb.cc.

References csprintf(), ArmISA::i, nlu, PowerISA::PTE::serialize(), SERIALIZE_SCALAR, size, and table.

void PowerISA::TLB::takeOverFrom ( BaseTLB otlb)
inlineoverridevirtual

Take over from an old tlb context.

Implements BaseTLB.

Definition at line 136 of file tlb.hh.

Fault TLB::translateAtomic ( RequestPtr  req,
ThreadContext tc,
Mode  mode 
)

Definition at line 313 of file tlb.cc.

References BaseTLB::Execute, fatal, FullSystem, translateData(), translateInst(), and BaseTLB::Write.

Referenced by translateTiming().

Fault TLB::translateData ( RequestPtr  req,
ThreadContext tc,
bool  write 
)
Fault TLB::translateFunctional ( RequestPtr  req,
ThreadContext tc,
Mode  mode 
)

Stub function for CheckerCPU compilation support.

Power ISA not supported by Checker at the moment

Definition at line 333 of file tlb.cc.

References NoFault, and panic.

Fault TLB::translateInst ( RequestPtr  req,
ThreadContext tc 
)
void TLB::translateTiming ( RequestPtr  req,
ThreadContext tc,
Translation translation,
Mode  mode 
)

Definition at line 325 of file tlb.cc.

References BaseTLB::Translation::finish(), and translateAtomic().

void TLB::unserialize ( CheckpointIn cp)
overridevirtual

Unserialize an object.

Read an object's state from the current checkpoint section.

Parameters
cpCheckpoint state

Implements Serializable.

Definition at line 211 of file tlb.cc.

References csprintf(), ArmISA::i, lookupTable, nlu, size, table, and UNSERIALIZE_SCALAR.

static bool PowerISA::TLB::validVirtualAddress ( Addr  vaddr)
static

Member Data Documentation

Stats::Formula PowerISA::TLB::accesses
protected

Definition at line 129 of file tlb.hh.

Referenced by regStats().

Stats::Formula PowerISA::TLB::hits
protected

Definition at line 127 of file tlb.hh.

Referenced by regStats().

PageTable PowerISA::TLB::lookupTable
protected

Definition at line 103 of file tlb.hh.

Referenced by flushAll(), insertAt(), lookup(), probeEntry(), and unserialize().

Stats::Formula PowerISA::TLB::misses
protected

Definition at line 128 of file tlb.hh.

Referenced by regStats().

int PowerISA::TLB::nlu
protected

Definition at line 107 of file tlb.hh.

Referenced by flushAll(), index(), nextnlu(), serialize(), and unserialize().

Stats::Scalar PowerISA::TLB::read_accesses
mutableprotected

Definition at line 122 of file tlb.hh.

Referenced by regStats().

Stats::Scalar PowerISA::TLB::read_acv
mutableprotected

Definition at line 121 of file tlb.hh.

Stats::Scalar PowerISA::TLB::read_hits
mutableprotected

Definition at line 119 of file tlb.hh.

Referenced by regStats().

Stats::Scalar PowerISA::TLB::read_misses
mutableprotected

Definition at line 120 of file tlb.hh.

Referenced by regStats().

int PowerISA::TLB::size
protected

Definition at line 106 of file tlb.hh.

Referenced by flushAll(), getEntry(), getsize(), insertAt(), nextnlu(), serialize(), TLB(), and unserialize().

int PowerISA::TLB::smallPages

Definition at line 141 of file tlb.hh.

Referenced by insertAt(), and TLB().

PowerISA::PTE* PowerISA::TLB::table
protected

Definition at line 105 of file tlb.hh.

Referenced by flushAll(), getEntry(), index(), insertAt(), lookup(), probeEntry(), serialize(), TLB(), unserialize(), and ~TLB().

Stats::Scalar PowerISA::TLB::write_accesses
mutableprotected

Definition at line 126 of file tlb.hh.

Referenced by regStats().

Stats::Scalar PowerISA::TLB::write_acv
mutableprotected

Definition at line 125 of file tlb.hh.

Stats::Scalar PowerISA::TLB::write_hits
mutableprotected

Definition at line 123 of file tlb.hh.

Referenced by regStats().

Stats::Scalar PowerISA::TLB::write_misses
mutableprotected

Definition at line 124 of file tlb.hh.

Referenced by regStats().


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

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