gem5  v20.1.0.0
Public Types | Public Member Functions | Private Attributes | List of all members
DumbTOD Class Reference

DumbTOD simply returns some idea of time when read. More...

#include <dtod.hh>

Inheritance diagram for DumbTOD:
BasicPioDevice PioDevice ClockedObject SimObject Clocked EventManager Serializable Drainable Stats::Group

Public Types

typedef DumbTODParams Params
 
- Public Types inherited from BasicPioDevice
typedef BasicPioDeviceParams Params
 
- Public Types inherited from PioDevice
typedef PioDeviceParams Params
 
- Public Types inherited from ClockedObject
typedef ClockedObjectParams Params
 Parameters of ClockedObject. More...
 
- Public Types inherited from SimObject
typedef SimObjectParams Params
 

Public Member Functions

 DumbTOD (const Params *p)
 
const Paramsparams () const
 
Tick read (PacketPtr pkt) override
 Pure virtual function that the device must implement. More...
 
Tick write (PacketPtr pkt) override
 Pure virtual function that the device must implement. 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 BasicPioDevice
 BasicPioDevice (const Params *p, Addr size)
 
const Paramsparams () const
 
AddrRangeList getAddrRanges () const override
 Determine the address ranges that this device responds to. More...
 
- Public Member Functions inherited from PioDevice
 PioDevice (const Params *p)
 
virtual ~PioDevice ()
 
const Paramsparams () const
 
void init () override
 init() is called after all C++ SimObjects have been created and all ports are connected. More...
 
PortgetPort (const std::string &if_name, PortID idx=InvalidPortID) override
 Get a port with a given name and index. More...
 
- Public Member Functions inherited from ClockedObject
 ClockedObject (const ClockedObjectParams *p)
 
const Paramsparams () const
 
void serialize (CheckpointOut &cp) const override
 Serialize an object. More...
 
void unserialize (CheckpointIn &cp) override
 Unserialize an object. More...
 
- Public Member Functions inherited from SimObject
const Paramsparams () const
 
 SimObject (const Params *_params)
 
virtual ~SimObject ()
 
virtual const std::string name () const
 
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 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
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 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...
 
- Public Member Functions inherited from Stats::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 (Stats::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...
 
 Group ()=delete
 
 Group (const Group &)=delete
 
Groupoperator= (const Group &)=delete
 
- Public Member Functions inherited from Clocked
void updateClockPeriod ()
 Update the tick to the current tick. More...
 
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. More...
 
Cycles curCycle () const
 Determine the current cycle, corresponding to a tick aligned to a clock edge. More...
 
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. More...
 
uint64_t frequency () const
 
Tick clockPeriod () const
 
double voltage () const
 
Cycles ticksToCycles (Tick t) const
 
Tick cyclesToTicks (Cycles c) const
 

Private Attributes

uint64_t todTime
 

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 ()
 Gets the fully-qualified name of the active section. More...
 
static void serializeAll (const std::string &cpt_dir)
 Serializes all the SimObjects. More...
 
static void unserializeGlobals (CheckpointIn &cp)
 
- Public Attributes inherited from ClockedObject
PowerStatepowerState
 
- 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 Member Functions inherited from Clocked
 Clocked (ClockDomain &clk_domain)
 Create a clocked object and set the clock domain based on the parameters. More...
 
 Clocked (Clocked &)=delete
 
Clockedoperator= (Clocked &)=delete
 
virtual ~Clocked ()
 Virtual destructor due to inheritance. More...
 
void resetClock () const
 Reset the object's clock using the current global tick value. More...
 
virtual void clockPeriodUpdated ()
 A hook subclasses can implement so they can do any extra work that's needed when the clock rate is changed. More...
 
- Protected Attributes inherited from BasicPioDevice
Addr pioAddr
 Address that the device listens to. More...
 
Addr pioSize
 Size that the device's address range. More...
 
Tick pioDelay
 Delay that the device experinces on an access. More...
 
- Protected Attributes inherited from PioDevice
Systemsys
 
PioPort< PioDevicepioPort
 The pioPort that handles the requests for us and provides us requests that it sees. 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...
 

Detailed Description

DumbTOD simply returns some idea of time when read.

Until we finish with legion it starts with the start time and increments itself by 1000 each time.

Definition at line 46 of file dtod.hh.

Member Typedef Documentation

◆ Params

typedef DumbTODParams DumbTOD::Params

Definition at line 52 of file dtod.hh.

Constructor & Destructor Documentation

◆ DumbTOD()

DumbTOD::DumbTOD ( const Params p)

Definition at line 49 of file dtod.cc.

References DPRINTFN, mkutctime(), MipsISA::p, and todTime.

Member Function Documentation

◆ params()

const Params* DumbTOD::params ( ) const
inline

Definition at line 56 of file dtod.hh.

References SimObject::_params.

◆ read()

Tick DumbTOD::read ( PacketPtr  pkt)
overridevirtual

Pure virtual function that the device must implement.

Called when a read command is recieved by the port.

Parameters
pktPacket describing this request
Returns
number of ticks it took to complete

Implements PioDevice.

Definition at line 60 of file dtod.cc.

References Packet::getAddr(), Packet::getSize(), Packet::makeAtomicResponse(), BasicPioDevice::pioAddr, BasicPioDevice::pioDelay, BasicPioDevice::pioSize, Packet::setBE(), and todTime.

◆ serialize()

void DumbTOD::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 79 of file dtod.cc.

References SERIALIZE_SCALAR, and todTime.

◆ unserialize()

void DumbTOD::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 85 of file dtod.cc.

References todTime, and UNSERIALIZE_SCALAR.

◆ write()

Tick DumbTOD::write ( PacketPtr  pkt)
overridevirtual

Pure virtual function that the device must implement.

Called when a write command is recieved by the port.

Parameters
pktPacket describing this request
Returns
number of ticks it took to complete

Implements PioDevice.

Definition at line 73 of file dtod.cc.

References panic.

Member Data Documentation

◆ todTime

uint64_t DumbTOD::todTime
private

Definition at line 49 of file dtod.hh.

Referenced by DumbTOD(), read(), serialize(), and unserialize().


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

Generated on Wed Sep 30 2020 14:02:23 for gem5 by doxygen 1.8.17