gem5
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#include <cmos.hh>
Classes | |
class | X86RTC |
Public Types | |
typedef CmosParams | Params |
Public Types inherited from BasicPioDevice | |
typedef BasicPioDeviceParams | Params |
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 |
Public Member Functions | |
Cmos (const Params *p) | |
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... | |
void | startup () override |
startup() is the final initialization call before simulation. 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 BasicPioDevice | |
BasicPioDevice (const Params *p, Addr size) | |
const Params * | params () const |
virtual AddrRangeList | getAddrRanges () const |
Determine the address ranges that this device responds to. 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... | |
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 | |
uint8_t | readRegister (uint8_t reg) |
void | writeRegister (uint8_t reg, uint8_t val) |
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 | |
Tick | latency |
uint8_t | address |
uint8_t | regs [numRegs] |
X86ISA::Cmos::X86RTC | rtc |
Protected Attributes inherited from BasicPioDevice | |
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... | |
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 int | numRegs = 128 |
Additional Inherited Members | |
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 |
typedef CmosParams X86ISA::Cmos::Params |
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inline |
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 47 of file cmos.cc.
References address, Packet::getAddr(), Packet::getSize(), latency, Packet::makeAtomicResponse(), panic, BasicPioDevice::pioAddr, readRegister(), and Packet::set().
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protected |
Definition at line 85 of file cmos.cc.
References DPRINTF, numRegs, MC146818::readData(), X86ISA::reg, regs, rtc, and X86ISA::val.
Referenced by read().
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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 123 of file cmos.cc.
References address, numRegs, regs, rtc, MC146818::serialize(), SERIALIZE_ARRAY, and SERIALIZE_SCALAR.
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overridevirtual |
startup() is the final initialization call before simulation.
All state is initialized (including unserialized state, if any, such as the curTick() value), so this is the appropriate place to schedule initial event(s) for objects that need them.
Reimplemented from SimObject.
Definition at line 117 of file cmos.cc.
References rtc, and MC146818::startup().
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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 133 of file cmos.cc.
References address, numRegs, regs, rtc, MC146818::unserialize(), UNSERIALIZE_ARRAY, and UNSERIALIZE_SCALAR.
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 66 of file cmos.cc.
References address, Packet::get(), Packet::getAddr(), Packet::getSize(), latency, Packet::makeAtomicResponse(), panic, BasicPioDevice::pioAddr, and writeRegister().
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protected |
Definition at line 102 of file cmos.cc.
References DPRINTF, numRegs, X86ISA::reg, regs, rtc, X86ISA::val, and MC146818::writeData().
Referenced by write().
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protected |
Definition at line 48 of file cmos.hh.
Referenced by Cmos(), read(), serialize(), unserialize(), and write().
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protected |
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staticprotected |
Definition at line 50 of file cmos.hh.
Referenced by Cmos(), readRegister(), serialize(), unserialize(), and writeRegister().
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protected |
Definition at line 52 of file cmos.hh.
Referenced by Cmos(), readRegister(), serialize(), unserialize(), and writeRegister().
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protected |
Referenced by readRegister(), serialize(), startup(), unserialize(), and writeRegister().