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GenericTimerMem Class Reference

#include <generic_timer.hh>

Inheritance diagram for GenericTimerMem:
PioDevice MemObject ClockedObject SimObject Clocked EventManager Serializable Drainable

Public Member Functions

 GenericTimerMem (GenericTimerMemParams *p)
 
void serialize (CheckpointOut &cp) const override
 Serialize an object. More...
 
void unserialize (CheckpointIn &cp) override
 Unserialize an object. More...
 
AddrRangeList getAddrRanges () const override
 Every PIO device is obliged to provide an implementation that returns the address ranges the device responds to. More...
 
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...
 
- Public Member Functions inherited from PioDevice
 PioDevice (const Params *p)
 
virtual ~PioDevice ()
 
const Paramsparams () const
 
virtual void init ()
 init() is called after all C++ SimObjects have been created and all ports are connected. More...
 
virtual BaseSlavePortgetSlavePort (const std::string &if_name, PortID idx=InvalidPortID)
 Get a slave port with a given name and index. More...
 
- Public Member Functions inherited from MemObject
const Paramsparams () const
 
 MemObject (const Params *params)
 
virtual BaseMasterPortgetMasterPort (const std::string &if_name, PortID idx=InvalidPortID)
 Get a master 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...
 
Enums::PwrState pwrState () const
 
std::string pwrStateName () const
 
std::vector< double > pwrStateWeights () const
 Returns the percentage residency for each power state. More...
 
void computeStats ()
 Record stats values like state residency by computing the time difference from previous update. More...
 
void pwrState (Enums::PwrState)
 
void regStats () override
 Register statistics for this 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 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...
 
- Public Member Functions inherited from Clocked
void updateClockPeriod () const
 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
 

Protected Member Functions

uint64_t ctrlRead (Addr addr, size_t size) const
 
void ctrlWrite (Addr addr, size_t size, uint64_t value)
 
uint64_t timerRead (Addr addr, size_t size) const
 
void timerWrite (Addr addr, size_t size, uint64_t value)
 
- 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...
 

Protected Attributes

const AddrRange ctrlRange
 
const AddrRange timerRange
 
const AddrRangeList addrRanges
 
SystemCounter systemCounter
 System counter. More...
 
ArchTimer physTimer
 
ArchTimer virtTimer
 
- Protected Attributes inherited from PioDevice
Systemsys
 
PioPort pioPort
 The pioPort that handles the requests for us and provides us requests that it sees. More...
 
- Protected Attributes inherited from ClockedObject
Enums::PwrState _currPwrState
 To keep track of the current power state. More...
 
Tick prvEvalTick
 
Stats::Scalar numPwrStateTransitions
 
Stats::Distribution pwrStateClkGateDist
 
Stats::Vector pwrStateResidencyTicks
 
- 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...
 

Static Protected Attributes

static const Addr CTRL_CNTFRQ = 0x000
 
static const Addr CTRL_CNTNSAR = 0x004
 
static const Addr CTRL_CNTTIDR = 0x008
 
static const Addr CTRL_CNTACR_BASE = 0x040
 
static const Addr CTRL_CNTVOFF_LO_BASE = 0x080
 
static const Addr CTRL_CNTVOFF_HI_BASE = 0x084
 
static const Addr TIMER_CNTPCT_LO = 0x000
 
static const Addr TIMER_CNTPCT_HI = 0x004
 
static const Addr TIMER_CNTVCT_LO = 0x008
 
static const Addr TIMER_CNTVCT_HI = 0x00C
 
static const Addr TIMER_CNTFRQ = 0x010
 
static const Addr TIMER_CNTEL0ACR = 0x014
 
static const Addr TIMER_CNTVOFF_LO = 0x018
 
static const Addr TIMER_CNTVOFF_HI = 0x01C
 
static const Addr TIMER_CNTP_CVAL_LO = 0x020
 
static const Addr TIMER_CNTP_CVAL_HI = 0x024
 
static const Addr TIMER_CNTP_TVAL = 0x028
 
static const Addr TIMER_CNTP_CTL = 0x02C
 
static const Addr TIMER_CNTV_CVAL_LO = 0x030
 
static const Addr TIMER_CNTV_CVAL_HI = 0x034
 
static const Addr TIMER_CNTV_TVAL = 0x038
 
static const Addr TIMER_CNTV_CTL = 0x03C
 

Additional Inherited Members

- Public Types inherited from PioDevice
typedef PioDeviceParams Params
 
- Public Types inherited from MemObject
typedef MemObjectParams Params
 
- Public Types inherited from ClockedObject
typedef ClockedObjectParams Params
 Parameters of ClockedObject. More...
 
- Public Types inherited from SimObject
typedef SimObjectParams Params
 
- 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
 

Detailed Description

Definition at line 277 of file generic_timer.hh.

Constructor & Destructor Documentation

GenericTimerMem::GenericTimerMem ( GenericTimerMemParams *  p)

Definition at line 492 of file generic_timer.cc.

References ctrlRange, and timerRange.

Member Function Documentation

uint64_t GenericTimerMem::ctrlRead ( Addr  addr,
size_t  size 
) const
protected
void GenericTimerMem::ctrlWrite ( Addr  addr,
size_t  size,
uint64_t  value 
)
protected
AddrRangeList GenericTimerMem::getAddrRanges ( ) const
inlineoverridevirtual

Every PIO device is obliged to provide an implementation that returns the address ranges the device responds to.

Returns
a list of non-overlapping address ranges

Implements PioDevice.

Definition at line 286 of file generic_timer.hh.

References addrRanges.

Tick GenericTimerMem::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 535 of file generic_timer.cc.

References addr, AddrRange::contains(), ctrlRange, ctrlRead(), DPRINTF, Packet::getAddr(), Packet::getSize(), Packet::makeResponse(), panic, Packet::set(), X86ISA::size(), AddrRange::start(), timerRange, and timerRead().

void GenericTimerMem::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 508 of file generic_timer.cc.

References paramOut(), physTimer, Serializable::serializeSection(), systemCounter, and virtTimer.

uint64_t GenericTimerMem::timerRead ( Addr  addr,
size_t  size 
) const
protected
void GenericTimerMem::timerWrite ( Addr  addr,
size_t  size,
uint64_t  value 
)
protected
void GenericTimerMem::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 519 of file generic_timer.cc.

References panic, physTimer, systemCounter, UNSERIALIZE_SCALAR, Serializable::unserializeSection(), and virtTimer.

Tick GenericTimerMem::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 564 of file generic_timer.cc.

References addr, AddrRange::contains(), ctrlRange, ctrlWrite(), DPRINTF, Packet::get(), Packet::getAddr(), Packet::getSize(), Packet::makeResponse(), panic, X86ISA::size(), AddrRange::start(), timerRange, and timerWrite().

Member Data Documentation

const AddrRangeList GenericTimerMem::addrRanges
protected

Definition at line 325 of file generic_timer.hh.

Referenced by getAddrRanges().

const Addr GenericTimerMem::CTRL_CNTACR_BASE = 0x040
staticprotected

Definition at line 301 of file generic_timer.hh.

Referenced by ctrlRead(), and ctrlWrite().

const Addr GenericTimerMem::CTRL_CNTFRQ = 0x000
staticprotected

Definition at line 298 of file generic_timer.hh.

Referenced by ctrlRead(), and ctrlWrite().

const Addr GenericTimerMem::CTRL_CNTNSAR = 0x004
staticprotected

Definition at line 299 of file generic_timer.hh.

Referenced by ctrlRead(), and ctrlWrite().

const Addr GenericTimerMem::CTRL_CNTTIDR = 0x008
staticprotected

Definition at line 300 of file generic_timer.hh.

Referenced by ctrlRead(), and ctrlWrite().

const Addr GenericTimerMem::CTRL_CNTVOFF_HI_BASE = 0x084
staticprotected

Definition at line 303 of file generic_timer.hh.

Referenced by ctrlRead(), ctrlWrite(), and timerRead().

const Addr GenericTimerMem::CTRL_CNTVOFF_LO_BASE = 0x080
staticprotected

Definition at line 302 of file generic_timer.hh.

Referenced by ctrlRead(), ctrlWrite(), and timerRead().

const AddrRange GenericTimerMem::ctrlRange
protected

Definition at line 323 of file generic_timer.hh.

Referenced by GenericTimerMem(), read(), and write().

ArchTimer GenericTimerMem::physTimer
protected

Definition at line 330 of file generic_timer.hh.

Referenced by serialize(), timerRead(), timerWrite(), and unserialize().

SystemCounter GenericTimerMem::systemCounter
protected

System counter.

Definition at line 329 of file generic_timer.hh.

Referenced by ctrlRead(), serialize(), timerRead(), and unserialize().

const Addr GenericTimerMem::TIMER_CNTEL0ACR = 0x014
staticprotected

Definition at line 310 of file generic_timer.hh.

Referenced by timerRead(), and timerWrite().

const Addr GenericTimerMem::TIMER_CNTFRQ = 0x010
staticprotected

Definition at line 309 of file generic_timer.hh.

Referenced by timerRead().

const Addr GenericTimerMem::TIMER_CNTP_CTL = 0x02C
staticprotected

Definition at line 316 of file generic_timer.hh.

Referenced by timerRead(), and timerWrite().

const Addr GenericTimerMem::TIMER_CNTP_CVAL_HI = 0x024
staticprotected

Definition at line 314 of file generic_timer.hh.

Referenced by timerRead(), and timerWrite().

const Addr GenericTimerMem::TIMER_CNTP_CVAL_LO = 0x020
staticprotected

Definition at line 313 of file generic_timer.hh.

Referenced by timerRead(), and timerWrite().

const Addr GenericTimerMem::TIMER_CNTP_TVAL = 0x028
staticprotected

Definition at line 315 of file generic_timer.hh.

Referenced by timerRead(), and timerWrite().

const Addr GenericTimerMem::TIMER_CNTPCT_HI = 0x004
staticprotected

Definition at line 306 of file generic_timer.hh.

Referenced by timerRead().

const Addr GenericTimerMem::TIMER_CNTPCT_LO = 0x000
staticprotected

Definition at line 305 of file generic_timer.hh.

Referenced by timerRead().

const Addr GenericTimerMem::TIMER_CNTV_CTL = 0x03C
staticprotected

Definition at line 320 of file generic_timer.hh.

Referenced by timerRead(), and timerWrite().

const Addr GenericTimerMem::TIMER_CNTV_CVAL_HI = 0x034
staticprotected

Definition at line 318 of file generic_timer.hh.

Referenced by timerRead(), and timerWrite().

const Addr GenericTimerMem::TIMER_CNTV_CVAL_LO = 0x030
staticprotected

Definition at line 317 of file generic_timer.hh.

Referenced by timerRead(), and timerWrite().

const Addr GenericTimerMem::TIMER_CNTV_TVAL = 0x038
staticprotected

Definition at line 319 of file generic_timer.hh.

Referenced by timerRead(), and timerWrite().

const Addr GenericTimerMem::TIMER_CNTVCT_HI = 0x00C
staticprotected

Definition at line 308 of file generic_timer.hh.

Referenced by timerRead().

const Addr GenericTimerMem::TIMER_CNTVCT_LO = 0x008
staticprotected

Definition at line 307 of file generic_timer.hh.

Referenced by timerRead().

const Addr GenericTimerMem::TIMER_CNTVOFF_HI = 0x01C
staticprotected

Definition at line 312 of file generic_timer.hh.

const Addr GenericTimerMem::TIMER_CNTVOFF_LO = 0x018
staticprotected

Definition at line 311 of file generic_timer.hh.

const AddrRange GenericTimerMem::timerRange
protected

Definition at line 324 of file generic_timer.hh.

Referenced by GenericTimerMem(), read(), and write().

ArchTimer GenericTimerMem::virtTimer
protected

Definition at line 331 of file generic_timer.hh.

Referenced by ctrlRead(), ctrlWrite(), serialize(), timerRead(), timerWrite(), and unserialize().


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

Generated on Fri Jun 9 2017 13:04:11 for gem5 by doxygen 1.8.6