gem5
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#include <generic_timer.hh>
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 Params * | params () const |
virtual void | init () |
init() is called after all C++ SimObjects have been created and all ports are connected. More... | |
virtual BaseSlavePort & | getSlavePort (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 Params * | params () const |
MemObject (const Params *params) | |
virtual BaseMasterPort & | getMasterPort (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 Params * | params () 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 Params * | params () 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... | |
ProbeManager * | getProbeManager () |
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) | |
EventQueue * | eventQueue () 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 | |
Clocked & | operator= (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 | |
System * | sys |
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 | |
EventQueue * | eventq |
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 SimObject * | find (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 |
Definition at line 277 of file generic_timer.hh.
GenericTimerMem::GenericTimerMem | ( | GenericTimerMemParams * | p | ) |
Definition at line 492 of file generic_timer.cc.
References ctrlRange, and timerRange.
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Definition at line 588 of file generic_timer.cc.
References CTRL_CNTACR_BASE, CTRL_CNTFRQ, CTRL_CNTNSAR, CTRL_CNTTIDR, CTRL_CNTVOFF_HI_BASE, CTRL_CNTVOFF_LO_BASE, SystemCounter::freq(), ArchTimer::offset(), panic, systemCounter, virtTimer, and warn.
Referenced by read().
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Definition at line 628 of file generic_timer.cc.
References CTRL_CNTACR_BASE, CTRL_CNTFRQ, CTRL_CNTNSAR, CTRL_CNTTIDR, CTRL_CNTVOFF_HI_BASE, CTRL_CNTVOFF_LO_BASE, insertBits(), ArchTimer::offset(), panic, ArchTimer::setOffset(), virtTimer, and warn.
Referenced by write().
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inlineoverridevirtual |
Every PIO device is obliged to provide an implementation that returns the address ranges the device responds to.
Implements PioDevice.
Definition at line 286 of file generic_timer.hh.
References addrRanges.
Pure virtual function that the device must implement.
Called when a read command is recieved by the port.
pkt | Packet describing this request |
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().
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Serialize an object.
Output an object's state into the current checkpoint section.
cp | Checkpoint state |
Implements Serializable.
Definition at line 508 of file generic_timer.cc.
References paramOut(), physTimer, Serializable::serializeSection(), systemCounter, and virtTimer.
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Definition at line 671 of file generic_timer.cc.
References ArchTimer::compareValue(), ArchTimer::control(), CTRL_CNTVOFF_HI_BASE, CTRL_CNTVOFF_LO_BASE, SystemCounter::freq(), ArchTimer::offset(), panic, physTimer, systemCounter, TIMER_CNTEL0ACR, TIMER_CNTFRQ, TIMER_CNTP_CTL, TIMER_CNTP_CVAL_HI, TIMER_CNTP_CVAL_LO, TIMER_CNTP_TVAL, TIMER_CNTPCT_HI, TIMER_CNTPCT_LO, TIMER_CNTV_CTL, TIMER_CNTV_CVAL_HI, TIMER_CNTV_CVAL_LO, TIMER_CNTV_TVAL, TIMER_CNTVCT_HI, TIMER_CNTVCT_LO, ArchTimer::timerValue(), ArchTimer::value(), virtTimer, and warn.
Referenced by read().
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Definition at line 755 of file generic_timer.cc.
References ArchTimer::compareValue(), insertBits(), panic, physTimer, ArchTimer::setCompareValue(), ArchTimer::setControl(), ArchTimer::setTimerValue(), TIMER_CNTEL0ACR, TIMER_CNTP_CTL, TIMER_CNTP_CVAL_HI, TIMER_CNTP_CVAL_LO, TIMER_CNTP_TVAL, TIMER_CNTV_CTL, TIMER_CNTV_CVAL_HI, TIMER_CNTV_CVAL_LO, TIMER_CNTV_TVAL, virtTimer, and warn.
Referenced by write().
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Unserialize an object.
Read an object's state from the current checkpoint section.
cp | Checkpoint state |
Implements Serializable.
Definition at line 519 of file generic_timer.cc.
References panic, physTimer, systemCounter, UNSERIALIZE_SCALAR, Serializable::unserializeSection(), and virtTimer.
Pure virtual function that the device must implement.
Called when a write command is recieved by the port.
pkt | Packet describing this request |
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().
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Definition at line 325 of file generic_timer.hh.
Referenced by getAddrRanges().
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Definition at line 301 of file generic_timer.hh.
Referenced by ctrlRead(), and ctrlWrite().
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Definition at line 298 of file generic_timer.hh.
Referenced by ctrlRead(), and ctrlWrite().
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Definition at line 299 of file generic_timer.hh.
Referenced by ctrlRead(), and ctrlWrite().
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Definition at line 300 of file generic_timer.hh.
Referenced by ctrlRead(), and ctrlWrite().
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Definition at line 303 of file generic_timer.hh.
Referenced by ctrlRead(), ctrlWrite(), and timerRead().
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Definition at line 302 of file generic_timer.hh.
Referenced by ctrlRead(), ctrlWrite(), and timerRead().
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Definition at line 323 of file generic_timer.hh.
Referenced by GenericTimerMem(), read(), and write().
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Definition at line 330 of file generic_timer.hh.
Referenced by serialize(), timerRead(), timerWrite(), and unserialize().
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System counter.
Definition at line 329 of file generic_timer.hh.
Referenced by ctrlRead(), serialize(), timerRead(), and unserialize().
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Definition at line 310 of file generic_timer.hh.
Referenced by timerRead(), and timerWrite().
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Definition at line 309 of file generic_timer.hh.
Referenced by timerRead().
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Definition at line 316 of file generic_timer.hh.
Referenced by timerRead(), and timerWrite().
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Definition at line 314 of file generic_timer.hh.
Referenced by timerRead(), and timerWrite().
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Definition at line 313 of file generic_timer.hh.
Referenced by timerRead(), and timerWrite().
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Definition at line 315 of file generic_timer.hh.
Referenced by timerRead(), and timerWrite().
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Definition at line 306 of file generic_timer.hh.
Referenced by timerRead().
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Definition at line 305 of file generic_timer.hh.
Referenced by timerRead().
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Definition at line 320 of file generic_timer.hh.
Referenced by timerRead(), and timerWrite().
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Definition at line 318 of file generic_timer.hh.
Referenced by timerRead(), and timerWrite().
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Definition at line 317 of file generic_timer.hh.
Referenced by timerRead(), and timerWrite().
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Definition at line 319 of file generic_timer.hh.
Referenced by timerRead(), and timerWrite().
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Definition at line 308 of file generic_timer.hh.
Referenced by timerRead().
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Definition at line 307 of file generic_timer.hh.
Referenced by timerRead().
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Definition at line 312 of file generic_timer.hh.
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Definition at line 311 of file generic_timer.hh.
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Definition at line 324 of file generic_timer.hh.
Referenced by GenericTimerMem(), read(), and write().
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Definition at line 331 of file generic_timer.hh.
Referenced by ctrlRead(), ctrlWrite(), serialize(), timerRead(), timerWrite(), and unserialize().