gem5
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#include <generic_timer.hh>
Classes | |
struct | CoreTimers |
Public Member Functions | |
GenericTimer (GenericTimerParams *p) | |
void | serialize (CheckpointOut &cp) const override |
Serialize an object. More... | |
void | unserialize (CheckpointIn &cp) override |
Unserialize an object. More... | |
void | setMiscReg (int misc_reg, unsigned cpu, ArmISA::MiscReg val) |
ArmISA::MiscReg | readMiscReg (int misc_reg, unsigned cpu) |
Public Member Functions inherited from SimObject | |
const Params * | params () 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... | |
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... | |
Protected Member Functions | |
CoreTimers & | getTimers (int cpu_id) |
void | createTimers (unsigned cpus) |
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 Attributes | |
SystemCounter | systemCounter |
System counter. More... | |
std::vector< std::unique_ptr < CoreTimers > > | timers |
Per-CPU physical architected timers. More... | |
BaseGic *const | gic |
Pointer to the GIC, needed to trigger timer interrupts. More... | |
const unsigned | irqPhys |
Physical timer interrupt. More... | |
const unsigned | irqVirt |
Virtual timer interrupt. More... | |
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... | |
Additional Inherited Members | |
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 200 of file generic_timer.hh.
GenericTimer::GenericTimer | ( | GenericTimerParams * | p | ) |
Definition at line 231 of file generic_timer.cc.
References fatal_if().
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protected |
Definition at line 294 of file generic_timer.cc.
References ArmISA::i, irqPhys, irqVirt, and timers.
Referenced by getTimers().
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Definition at line 285 of file generic_timer.cc.
References createTimers(), and timers.
Referenced by readMiscReg(), setMiscReg(), and unserialize().
MiscReg GenericTimer::readMiscReg | ( | int | misc_reg, |
unsigned | cpu | ||
) |
Definition at line 405 of file generic_timer.cc.
References ArchTimer::compareValue(), ArchTimer::control(), EventManager::eventQueue(), SystemCounter::freq(), SystemCounter::getKernelControl(), getTimers(), ArmISA::MISCREG_CNTFRQ, ArmISA::MISCREG_CNTFRQ_EL0, ArmISA::MISCREG_CNTHCTL, ArmISA::MISCREG_CNTHCTL_EL2, ArmISA::MISCREG_CNTHP_CTL, ArmISA::MISCREG_CNTHP_CTL_EL2, ArmISA::MISCREG_CNTHP_CVAL, ArmISA::MISCREG_CNTHP_CVAL_EL2, ArmISA::MISCREG_CNTHP_TVAL, ArmISA::MISCREG_CNTHP_TVAL_EL2, ArmISA::MISCREG_CNTKCTL, ArmISA::MISCREG_CNTKCTL_EL1, ArmISA::MISCREG_CNTP_CTL, ArmISA::MISCREG_CNTP_CTL_EL0, ArmISA::MISCREG_CNTP_CTL_NS, ArmISA::MISCREG_CNTP_CTL_S, ArmISA::MISCREG_CNTP_CVAL, ArmISA::MISCREG_CNTP_CVAL_EL0, ArmISA::MISCREG_CNTP_TVAL, ArmISA::MISCREG_CNTP_TVAL_EL0, ArmISA::MISCREG_CNTPCT, ArmISA::MISCREG_CNTPCT_EL0, ArmISA::MISCREG_CNTPS_CTL_EL1, ArmISA::MISCREG_CNTPS_CVAL_EL1, ArmISA::MISCREG_CNTPS_TVAL_EL1, ArmISA::MISCREG_CNTV_CTL, ArmISA::MISCREG_CNTV_CTL_EL0, ArmISA::MISCREG_CNTV_CVAL, ArmISA::MISCREG_CNTV_CVAL_EL0, ArmISA::MISCREG_CNTV_TVAL, ArmISA::MISCREG_CNTV_TVAL_EL0, ArmISA::MISCREG_CNTVCT, ArmISA::MISCREG_CNTVCT_EL0, ArmISA::MISCREG_CNTVOFF, ArmISA::MISCREG_CNTVOFF_EL2, ArmISA::miscRegName, ArchTimer::offset(), GenericTimer::CoreTimers::phys, systemCounter, ArchTimer::timerValue(), ArchTimer::value(), GenericTimer::CoreTimers::virt, and warn.
Referenced by GenericTimerISA::readMiscReg().
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overridevirtual |
Serialize an object.
Output an object's state into the current checkpoint section.
cp | Checkpoint state |
Implements Serializable.
Definition at line 242 of file generic_timer.cc.
References csprintf(), ArmISA::i, paramOut(), GenericTimer::CoreTimers::phys, Serializable::serializeSection(), systemCounter, timers, and GenericTimer::CoreTimers::virt.
void GenericTimer::setMiscReg | ( | int | misc_reg, |
unsigned | cpu, | ||
ArmISA::MiscReg | val | ||
) |
Definition at line 308 of file generic_timer.cc.
References EventManager::eventQueue(), getTimers(), ArmISA::MISCREG_CNTFRQ, ArmISA::MISCREG_CNTFRQ_EL0, ArmISA::MISCREG_CNTHCTL, ArmISA::MISCREG_CNTHCTL_EL2, ArmISA::MISCREG_CNTHP_CTL, ArmISA::MISCREG_CNTHP_CTL_EL2, ArmISA::MISCREG_CNTHP_CVAL, ArmISA::MISCREG_CNTHP_CVAL_EL2, ArmISA::MISCREG_CNTHP_TVAL, ArmISA::MISCREG_CNTHP_TVAL_EL2, ArmISA::MISCREG_CNTKCTL, ArmISA::MISCREG_CNTKCTL_EL1, ArmISA::MISCREG_CNTP_CTL, ArmISA::MISCREG_CNTP_CTL_EL0, ArmISA::MISCREG_CNTP_CTL_NS, ArmISA::MISCREG_CNTP_CTL_S, ArmISA::MISCREG_CNTP_CVAL, ArmISA::MISCREG_CNTP_CVAL_EL0, ArmISA::MISCREG_CNTP_CVAL_NS, ArmISA::MISCREG_CNTP_TVAL, ArmISA::MISCREG_CNTP_TVAL_EL0, ArmISA::MISCREG_CNTP_TVAL_NS, ArmISA::MISCREG_CNTPCT, ArmISA::MISCREG_CNTPCT_EL0, ArmISA::MISCREG_CNTPS_CTL_EL1, ArmISA::MISCREG_CNTPS_CVAL_EL1, ArmISA::MISCREG_CNTPS_TVAL_EL1, ArmISA::MISCREG_CNTV_CTL, ArmISA::MISCREG_CNTV_CTL_EL0, ArmISA::MISCREG_CNTV_CVAL, ArmISA::MISCREG_CNTV_CVAL_EL0, ArmISA::MISCREG_CNTV_TVAL, ArmISA::MISCREG_CNTV_TVAL_EL0, ArmISA::MISCREG_CNTVCT, ArmISA::MISCREG_CNTVCT_EL0, ArmISA::MISCREG_CNTVOFF, ArmISA::MISCREG_CNTVOFF_EL2, ArmISA::miscRegName, GenericTimer::CoreTimers::phys, ArchTimer::setCompareValue(), ArchTimer::setControl(), SystemCounter::setFreq(), SystemCounter::setKernelControl(), ArchTimer::setOffset(), ArchTimer::setTimerValue(), systemCounter, GenericTimer::CoreTimers::virt, and warn.
Referenced by GenericTimerISA::setMiscReg().
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overridevirtual |
Unserialize an object.
Read an object's state from the current checkpoint section.
cp | Checkpoint state |
Implements Serializable.
Definition at line 259 of file generic_timer.cc.
References csprintf(), getTimers(), ArmISA::i, GenericTimer::CoreTimers::phys, systemCounter, UNSERIALIZE_OPT_SCALAR, Serializable::unserializeSection(), GenericTimer::CoreTimers::virt, and warn.
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Pointer to the GIC, needed to trigger timer interrupts.
Definition at line 250 of file generic_timer.hh.
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Physical timer interrupt.
Definition at line 253 of file generic_timer.hh.
Referenced by createTimers().
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Virtual timer interrupt.
Definition at line 256 of file generic_timer.hh.
Referenced by createTimers().
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System counter.
Definition at line 243 of file generic_timer.hh.
Referenced by readMiscReg(), serialize(), setMiscReg(), and unserialize().
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Per-CPU physical architected timers.
Definition at line 246 of file generic_timer.hh.
Referenced by createTimers(), getTimers(), and serialize().