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ArmISA::Stage2MMU Class Reference

#include <stage2_mmu.hh>

Inheritance diagram for ArmISA::Stage2MMU:
SimObject EventManager Serializable Drainable

Classes

class  Stage2Translation
 This translation class is used to trigger the data fetch once a timing translation returns the translated physical address. More...
 

Public Types

typedef ArmStage2MMUParams Params
 
- Public Types inherited from SimObject
typedef SimObjectParams Params
 

Public Member Functions

 Stage2MMU (const Params *p)
 
DmaPortgetPort ()
 Get the port that ultimately belongs to the stage-two MMU, but is used by the two table walkers, and is exposed externally and connected through the stage-one table walker. More...
 
Fault readDataUntimed (ThreadContext *tc, Addr oVAddr, Addr descAddr, uint8_t *data, int numBytes, Request::Flags flags, bool isFunctional)
 
Fault readDataTimed (ThreadContext *tc, Addr descAddr, Stage2Translation *translation, int numBytes, Request::Flags flags)
 
TLBstage1Tlb () const
 
TLBstage2Tlb () const
 
- 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 regStats ()
 Register statistics for this object. 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...
 
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 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...
 

Protected Attributes

DmaPort port
 Port to issue translation requests from. More...
 
MasterID masterId
 Request id for requests generated by this MMU. More...
 
- 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...
 

Private Attributes

TLB_stage1Tlb
 
TLB_stage2Tlb
 The TLB that will cache the stage 2 look ups. More...
 

Additional Inherited Members

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

Detailed Description

Definition at line 52 of file stage2_mmu.hh.

Member Typedef Documentation

typedef ArmStage2MMUParams ArmISA::Stage2MMU::Params

Definition at line 105 of file stage2_mmu.hh.

Constructor & Destructor Documentation

Stage2MMU::Stage2MMU ( const Params p)

Definition at line 51 of file stage2_mmu.cc.

References masterId, ArmISA::TLB::setMMU(), stage1Tlb(), and stage2Tlb().

Member Function Documentation

DmaPort& ArmISA::Stage2MMU::getPort ( )
inline

Get the port that ultimately belongs to the stage-two MMU, but is used by the two table walkers, and is exposed externally and connected through the stage-one table walker.

Definition at line 113 of file stage2_mmu.hh.

References port.

Referenced by ArmISA::TLB::getMasterPort(), and ArmISA::TableWalker::setMMU().

Fault Stage2MMU::readDataTimed ( ThreadContext tc,
Addr  descAddr,
Stage2Translation translation,
int  numBytes,
Request::Flags  flags 
)
Fault Stage2MMU::readDataUntimed ( ThreadContext tc,
Addr  oVAddr,
Addr  descAddr,
uint8_t *  data,
int  numBytes,
Request::Flags  flags,
bool  isFunctional 
)
TLB* ArmISA::Stage2MMU::stage1Tlb ( ) const
inline

Definition at line 121 of file stage2_mmu.hh.

References _stage1Tlb.

Referenced by Stage2MMU().

TLB* ArmISA::Stage2MMU::stage2Tlb ( ) const
inline

Member Data Documentation

TLB* ArmISA::Stage2MMU::_stage1Tlb
private

Definition at line 55 of file stage2_mmu.hh.

Referenced by stage1Tlb().

TLB* ArmISA::Stage2MMU::_stage2Tlb
private

The TLB that will cache the stage 2 look ups.

Definition at line 57 of file stage2_mmu.hh.

Referenced by stage2Tlb().

MasterID ArmISA::Stage2MMU::masterId
protected

Request id for requests generated by this MMU.

Definition at line 65 of file stage2_mmu.hh.

Referenced by readDataTimed(), readDataUntimed(), and Stage2MMU().

DmaPort ArmISA::Stage2MMU::port
protected

Port to issue translation requests from.

Definition at line 62 of file stage2_mmu.hh.

Referenced by getPort(), and readDataUntimed().


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

Generated on Fri Jun 9 2017 13:04:29 for gem5 by doxygen 1.8.6