gem5 v24.0.0.0
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The ClockedObject class extends the SimObject with a clock and accessor functions to relate ticks to the cycles of the object. More...
#include <clocked_object.hh>
Public Types | |
using | Params = ClockedObjectParams |
Parameters of ClockedObject. | |
Public Types inherited from gem5::SimObject | |
typedef SimObjectParams | Params |
Public Member Functions | |
ClockedObject (const ClockedObjectParams &p) | |
void | serialize (CheckpointOut &cp) const override |
Serialize an object. | |
void | unserialize (CheckpointIn &cp) override |
Unserialize an object. | |
Public Member Functions inherited from gem5::SimObject | |
const Params & | params () const |
SimObject (const Params &p) | |
virtual | ~SimObject () |
virtual void | init () |
init() is called after all C++ SimObjects have been created and all ports are connected. | |
virtual void | loadState (CheckpointIn &cp) |
loadState() is called on each SimObject when restoring from a checkpoint. | |
virtual void | initState () |
initState() is called on each SimObject when not restoring from a checkpoint. | |
virtual void | regProbePoints () |
Register probe points for this object. | |
virtual void | regProbeListeners () |
Register probe listeners for this object. | |
ProbeManager * | getProbeManager () |
Get the probe manager for this object. | |
virtual Port & | getPort (const std::string &if_name, PortID idx=InvalidPortID) |
Get a port with a given name and index. | |
virtual void | startup () |
startup() is the final initialization call before simulation. | |
DrainState | drain () override |
Provide a default implementation of the drain interface for objects that don't need draining. | |
virtual void | memWriteback () |
Write back dirty buffers to memory using functional writes. | |
virtual void | memInvalidate () |
Invalidate the contents of memory buffers. | |
void | serialize (CheckpointOut &cp) const override |
Serialize an object. | |
void | unserialize (CheckpointIn &cp) override |
Unserialize an object. | |
Public Member Functions inherited from gem5::EventManager | |
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) |
This function is not needed by the usual gem5 event loop but may be necessary in derived EventQueues which host gem5 on other schedulers. | |
void | setCurTick (Tick newVal) |
EventManager (EventManager &em) | |
Event manger manages events in the event queue. | |
EventManager (EventManager *em) | |
EventManager (EventQueue *eq) | |
Public Member Functions inherited from gem5::Serializable | |
Serializable () | |
virtual | ~Serializable () |
void | serializeSection (CheckpointOut &cp, const char *name) const |
Serialize an object into a new section. | |
void | serializeSection (CheckpointOut &cp, const std::string &name) const |
void | unserializeSection (CheckpointIn &cp, const char *name) |
Unserialize an a child object. | |
void | unserializeSection (CheckpointIn &cp, const std::string &name) |
Public Member Functions inherited from gem5::Drainable | |
DrainState | drainState () const |
Return the current drain state of an object. | |
virtual void | notifyFork () |
Notify a child process of a fork. | |
Public Member Functions inherited from gem5::statistics::Group | |
Group (Group *parent, const char *name=nullptr) | |
Construct a new statistics group. | |
virtual | ~Group () |
virtual void | regStats () |
Callback to set stat parameters. | |
virtual void | resetStats () |
Callback to reset stats. | |
virtual void | preDumpStats () |
Callback before stats are dumped. | |
void | addStat (statistics::Info *info) |
Register a stat with this group. | |
const std::map< std::string, Group * > & | getStatGroups () const |
Get all child groups associated with this object. | |
const std::vector< Info * > & | getStats () const |
Get all stats associated with this object. | |
void | addStatGroup (const char *name, Group *block) |
Add a stat block as a child of this block. | |
const Info * | resolveStat (std::string name) const |
Resolve a stat by its name within this group. | |
void | mergeStatGroup (Group *block) |
Merge the contents (stats & children) of a block to this block. | |
Group ()=delete | |
Group (const Group &)=delete | |
Group & | operator= (const Group &)=delete |
Public Member Functions inherited from gem5::Named | |
Named (const std::string &name_) | |
virtual | ~Named ()=default |
virtual std::string | name () const |
Public Member Functions inherited from gem5::Clocked | |
void | updateClockPeriod () |
Update the tick to the current tick. | |
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. | |
Cycles | curCycle () const |
Determine the current cycle, corresponding to a tick aligned to a clock edge. | |
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. | |
uint64_t | frequency () const |
Tick | clockPeriod () const |
double | voltage () const |
Cycles | ticksToCycles (Tick t) const |
Tick | cyclesToTicks (Cycles c) const |
Public Attributes | |
PowerState * | powerState |
Additional Inherited Members | |
Static Public Member Functions inherited from gem5::SimObject | |
static void | serializeAll (const std::string &cpt_dir) |
Create a checkpoint by serializing all SimObjects in the system. | |
static SimObject * | find (const char *name) |
Find the SimObject with the given name and return a pointer to it. | |
static void | setSimObjectResolver (SimObjectResolver *resolver) |
There is a single object name resolver, and it is only set when simulation is restoring from checkpoints. | |
static SimObjectResolver * | getSimObjectResolver () |
There is a single object name resolver, and it is only set when simulation is restoring from checkpoints. | |
Static Public Member Functions inherited from gem5::Serializable | |
static const std::string & | currentSection () |
Gets the fully-qualified name of the active section. | |
static void | generateCheckpointOut (const std::string &cpt_dir, std::ofstream &outstream) |
Generate a checkpoint file so that the serialization can be routed to it. | |
Protected Member Functions inherited from gem5::Drainable | |
Drainable () | |
virtual | ~Drainable () |
virtual void | drainResume () |
Resume execution after a successful drain. | |
void | signalDrainDone () const |
Signal that an object is drained. | |
Protected Member Functions inherited from gem5::Clocked | |
Clocked (ClockDomain &clk_domain) | |
Create a clocked object and set the clock domain based on the parameters. | |
Clocked (Clocked &)=delete | |
Clocked & | operator= (Clocked &)=delete |
virtual | ~Clocked () |
Virtual destructor due to inheritance. | |
void | resetClock () const |
Reset the object's clock using the current global tick value. | |
virtual void | clockPeriodUpdated () |
A hook subclasses can implement so they can do any extra work that's needed when the clock rate is changed. | |
Protected Attributes inherited from gem5::SimObject | |
const SimObjectParams & | _params |
Cached copy of the object parameters. | |
Protected Attributes inherited from gem5::EventManager | |
EventQueue * | eventq |
A pointer to this object's event queue. | |
The ClockedObject class extends the SimObject with a clock and accessor functions to relate ticks to the cycles of the object.
Definition at line 234 of file clocked_object.hh.
using gem5::ClockedObject::Params = ClockedObjectParams |
Parameters of ClockedObject.
Definition at line 240 of file clocked_object.hh.
gem5::ClockedObject::ClockedObject | ( | const ClockedObjectParams & | p | ) |
Definition at line 46 of file clocked_object.cc.
References gem5::MipsISA::p.
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overridevirtual |
Serialize an object.
Output an object's state into the current checkpoint section.
cp | Checkpoint state |
Implements gem5::Serializable.
Reimplemented in gem5::CopyEngine, gem5::CpuLocalTimer, gem5::DumbTOD, gem5::EnergyCtrl, gem5::GenericTimerFrame, gem5::GenericWatchdog, gem5::GicV2, gem5::Gicv3, gem5::Gicv3Its, gem5::HDLcd, gem5::HiFiveBase, gem5::I2CBus, gem5::IdeController, gem5::IGbE, gem5::Iob, gem5::LupV, gem5::Malta, gem5::MaltaCChip, gem5::MaltaIO, gem5::memory::DRAMSys, gem5::MinorCPU, gem5::MmDisk, gem5::NoMaliGpu, gem5::NSGigE, gem5::PciDevice, gem5::Pl011, gem5::PL031, gem5::Pl050, gem5::Pl111, gem5::Plic, gem5::PM4PacketProcessor, gem5::RealViewCtrl, gem5::ruby::RubySystem, gem5::SDMAEngine, gem5::sinic::Device, gem5::SMMUv3, gem5::Sp804, gem5::Sp805, gem5::TickedObject, gem5::TrafficGen, gem5::Uart8250, gem5::UFSHostDevice, gem5::VegaISA::GpuTLB, gem5::VGic, gem5::X86ISA::Cmos, gem5::X86ISA::GpuTLB, gem5::X86ISA::I8042, gem5::X86ISA::I82094AA, gem5::X86ISA::I8237, gem5::X86ISA::I8254, gem5::X86ISA::I8259, and gem5::X86ISA::Speaker.
Definition at line 59 of file clocked_object.cc.
References powerState, and gem5::PowerState::serialize().
Referenced by gem5::MmDisk::serialize(), gem5::PM4PacketProcessor::serialize(), gem5::SDMAEngine::serialize(), gem5::TickedObject::serialize(), and gem5::UFSHostDevice::serialize().
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overridevirtual |
Unserialize an object.
Read an object's state from the current checkpoint section.
cp | Checkpoint state |
Implements gem5::Serializable.
Reimplemented in gem5::CopyEngine, gem5::CpuLocalTimer, gem5::DumbTOD, gem5::EnergyCtrl, gem5::GenericTimerFrame, gem5::GenericWatchdog, gem5::GicV2, gem5::Gicv3, gem5::Gicv3Its, gem5::HDLcd, gem5::HiFiveBase, gem5::I2CBus, gem5::IdeController, gem5::IGbE, gem5::Iob, gem5::LupV, gem5::Malta, gem5::MaltaCChip, gem5::MaltaIO, gem5::memory::DRAMSys, gem5::MinorCPU, gem5::NoMaliGpu, gem5::NSGigE, gem5::PciDevice, gem5::Pl011, gem5::PL031, gem5::Pl050, gem5::Pl111, gem5::Plic, gem5::PM4PacketProcessor, gem5::RealViewCtrl, gem5::ruby::RubySystem, gem5::SDMAEngine, gem5::sinic::Device, gem5::SMMUv3, gem5::Sp804, gem5::Sp805, gem5::TickedObject, gem5::TrafficGen, gem5::Uart8250, gem5::UFSHostDevice, gem5::VegaISA::GpuTLB, gem5::VGic, gem5::X86ISA::Cmos, gem5::X86ISA::GpuTLB, gem5::X86ISA::I8042, gem5::X86ISA::I82094AA, gem5::X86ISA::I8237, gem5::X86ISA::I8254, gem5::X86ISA::I8259, and gem5::X86ISA::Speaker.
Definition at line 64 of file clocked_object.cc.
References powerState, and gem5::PowerState::unserialize().
Referenced by gem5::PM4PacketProcessor::unserialize(), gem5::SDMAEngine::unserialize(), gem5::TickedObject::unserialize(), and gem5::UFSHostDevice::unserialize().
PowerState* gem5::ClockedObject::powerState |
Definition at line 245 of file clocked_object.hh.
Referenced by gem5::BaseCPU::activateContext(), gem5::BaseCPU::enterPwrGating(), gem5::PowerModel::getDynamicPower(), gem5::PowerModel::getStaticPower(), gem5::FVPBasePwrCtrl::powerCoreOff(), gem5::FVPBasePwrCtrl::powerCoreOn(), gem5::BaseCPU::schedulePowerGatingEvent(), serialize(), gem5::BaseCPU::startup(), gem5::BaseCPU::suspendContext(), gem5::BaseCPU::switchOut(), gem5::BaseCPU::takeOverFrom(), and unserialize().