gem5
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#include <io_device.hh>
Public Types | |
typedef BasicPioDeviceParams | Params |
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typedef PioDeviceParams | Params |
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typedef MemObjectParams | Params |
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typedef ClockedObjectParams | Params |
Parameters of ClockedObject. More... | |
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typedef SimObjectParams | Params |
Public Member Functions | |
BasicPioDevice (const Params *p, Addr size) | |
const Params * | params () const |
virtual AddrRangeList | getAddrRanges () const |
Determine the address ranges that this device responds to. More... | |
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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... | |
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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... | |
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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... | |
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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... | |
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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) |
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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) |
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DrainState | drainState () const |
Return the current drain state of an object. More... | |
virtual void | notifyFork () |
Notify a child process of a fork. More... | |
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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 Attributes | |
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... | |
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System * | sys |
PioPort | pioPort |
The pioPort that handles the requests for us and provides us requests that it sees. More... | |
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Enums::PwrState | _currPwrState |
To keep track of the current power state. More... | |
Tick | prvEvalTick |
Stats::Scalar | numPwrStateTransitions |
Stats::Distribution | pwrStateClkGateDist |
Stats::Vector | pwrStateResidencyTicks |
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const SimObjectParams * | _params |
Cached copy of the object parameters. More... | |
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EventQueue * | eventq |
A pointer to this object's event queue. More... | |
Additional Inherited Members | |
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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... | |
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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) |
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static int | ckptCount = 0 |
static int | ckptMaxCount = 0 |
static int | ckptPrevCount = -1 |
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virtual Tick | read (PacketPtr pkt)=0 |
Pure virtual function that the device must implement. More... | |
virtual Tick | write (PacketPtr pkt)=0 |
Pure virtual function that the device must implement. More... | |
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Drainable () | |
virtual | ~Drainable () |
virtual void | drainResume () |
Resume execution after a successful drain. More... | |
void | signalDrainDone () const |
Signal that an object is drained. More... | |
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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... | |
Definition at line 135 of file io_device.hh.
typedef BasicPioDeviceParams BasicPioDevice::Params |
Definition at line 148 of file io_device.hh.
Definition at line 99 of file io_device.cc.
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virtual |
Determine the address ranges that this device responds to.
Implements PioDevice.
Reimplemented in X86ISA::I8042, and Uart8250.
Definition at line 105 of file io_device.cc.
References DPRINTF, pioAddr, pioSize, and RangeSize().
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inline |
Definition at line 152 of file io_device.hh.
References SimObject::_params.
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protected |
Address that the device listens to.
Definition at line 139 of file io_device.hh.
Referenced by Uart8250::getAddrRanges(), getAddrRanges(), I2CBus::isClockSet(), I2CBus::isEnd(), I2CBus::isStart(), X86ISA::I8237::read(), MmDisk::read(), DumbTOD::read(), Pl011::read(), AmbaFake::read(), A9SCU::read(), X86ISA::Speaker::read(), IsaFake::read(), X86ISA::Cmos::read(), TsunamiCChip::read(), Uart8250::read(), AlphaBackdoor::read(), PL031::read(), TsunamiIO::read(), EnergyCtrl::read(), I2CBus::read(), Sp804::read(), Pl050::read(), RealViewCtrl::read(), CpuLocalTimer::read(), X86ISA::Interrupts::read(), AlphaBackdoor::startup(), I2CBus::updateSignals(), MmDisk::write(), Pl011::write(), AmbaFake::write(), A9SCU::write(), X86ISA::Cmos::write(), TsunamiCChip::write(), Uart8250::write(), AlphaBackdoor::write(), PL031::write(), TsunamiIO::write(), EnergyCtrl::write(), I2CBus::write(), Pl050::write(), Sp804::write(), RealViewCtrl::write(), and CpuLocalTimer::write().
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Delay that the device experinces on an access.
Definition at line 145 of file io_device.hh.
Referenced by MmDisk::read(), DumbTOD::read(), Pl011::read(), AmbaFake::read(), A9SCU::read(), IsaFake::read(), TsunamiCChip::read(), MaltaCChip::read(), Uart8250::read(), AlphaBackdoor::read(), PL031::read(), MaltaIO::read(), TsunamiIO::read(), EnergyCtrl::read(), I2CBus::read(), Sp804::read(), Pl050::read(), RealViewCtrl::read(), CpuLocalTimer::read(), X86ISA::Interrupts::read(), MmDisk::write(), Pl011::write(), AmbaFake::write(), A9SCU::write(), IsaFake::write(), TsunamiCChip::write(), MaltaCChip::write(), Uart8250::write(), AlphaBackdoor::write(), MaltaIO::write(), PL031::write(), TsunamiIO::write(), EnergyCtrl::write(), I2CBus::write(), Pl050::write(), Sp804::write(), RealViewCtrl::write(), and CpuLocalTimer::write().
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protected |
Size that the device's address range.
Definition at line 142 of file io_device.hh.
Referenced by AlphaBackdoor::AlphaBackdoor(), Uart8250::getAddrRanges(), getAddrRanges(), MmDisk::read(), DumbTOD::read(), Pl011::read(), AmbaFake::read(), A9SCU::read(), IsaFake::read(), TsunamiCChip::read(), Uart8250::read(), AlphaBackdoor::read(), PL031::read(), TsunamiIO::read(), EnergyCtrl::read(), Sp804::read(), Pl050::read(), RealViewCtrl::read(), CpuLocalTimer::read(), MmDisk::write(), Pl011::write(), A9SCU::write(), TsunamiCChip::write(), Uart8250::write(), AlphaBackdoor::write(), PL031::write(), TsunamiIO::write(), EnergyCtrl::write(), Pl050::write(), Sp804::write(), RealViewCtrl::write(), and CpuLocalTimer::write().