gem5
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#include <iob.hh>
Classes | |
struct | IntBusy |
struct | IntCtl |
struct | IntMan |
Public Types | |
typedef IobParams | 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 | |
Iob (const Params *p) | |
const Params * | params () const |
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 | generateIpi (Type type, int cpu_id, int vector) |
void | receiveDeviceInterrupt (DeviceId devid) |
bool | receiveJBusInterrupt (int cpu_id, int source, uint64_t d0, uint64_t d1) |
AddrRangeList | getAddrRanges () const override |
Every PIO device is obliged to provide an implementation that returns the address ranges the device responds to. More... | |
void | serialize (CheckpointOut &cp) const override |
Serialize an object. More... | |
void | unserialize (CheckpointIn &cp) override |
Unserialize an object. 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 |
Private Types | |
enum | DeviceId { Interal = 0, Error = 1, SSI = 2, Reserved = 3, NumDeviceIds } |
enum | Type { Interrupt, Reset, Idle, Resume } |
Private Member Functions | |
void | writeIob (PacketPtr pkt) |
void | writeJBus (PacketPtr pkt) |
void | readIob (PacketPtr pkt) |
void | readJBus (PacketPtr pkt) |
Private Attributes | |
IntrControl * | ic |
Addr | iobManAddr |
Addr | iobManSize |
Addr | iobJBusAddr |
Addr | iobJBusSize |
Tick | pioDelay |
IntMan | intMan [NumDeviceIds] |
IntCtl | intCtl [NumDeviceIds] |
uint64_t | jIntVec |
uint64_t | jBusData0 [MaxNiagaraProcs] |
uint64_t | jBusData1 [MaxNiagaraProcs] |
IntBusy | jIntBusy [MaxNiagaraProcs] |
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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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... | |
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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... | |
typedef IobParams Iob::Params |
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Iob::Iob | ( | const Params * | p | ) |
Definition at line 55 of file iob.cc.
References Iob::IntMan::cpu, intCtl, intMan, iobJBusAddr, iobJBusSize, iobManAddr, iobManSize, Iob::IntCtl::mask, MaxNiagaraProcs, NumDeviceIds, params(), Iob::IntCtl::pend, pioDelay, ArmISA::system, ULL, Iob::IntMan::vector, and X86ISA::x.
void Iob::generateIpi | ( | Type | type, |
int | cpu_id, | ||
int | vector | ||
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Definition at line 277 of file iob.cc.
References DPRINTF, ic, SparcISA::SparcFaultBase::invoke(), SparcISA::IT_INT_VEC, System::numContexts(), panic, IntrControl::post(), PioDevice::sys, System::threadContexts, SparcISA::SparcFault< T >::trapType(), and warn.
Referenced by writeIob().
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overridevirtual |
Every PIO device is obliged to provide an implementation that returns the address ranges the device responds to.
Implements PioDevice.
Definition at line 330 of file iob.cc.
References iobJBusAddr, iobJBusSize, iobManAddr, iobManSize, and RangeSize().
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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 76 of file iob.cc.
References Packet::getAddr(), iobJBusAddr, iobJBusSize, iobManAddr, iobManSize, Packet::makeAtomicResponse(), panic, pioDelay, readIob(), and readJBus().
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Definition at line 91 of file iob.cc.
References Iob::IntMan::cpu, data, Packet::getAddr(), MipsISA::index, intCtl, IntCtlAddr, IntCtlSize, intMan, IntManAddr, IntManSize, iobManAddr, jIntVec, JIntVecAddr, Iob::IntCtl::mask, panic, Iob::IntCtl::pend, Packet::set(), and Iob::IntMan::vector.
Referenced by read().
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Definition at line 120 of file iob.cc.
References Iob::IntBusy::busy, Request::contextId(), MipsISA::cpuid, data, Packet::getAddr(), MipsISA::index, iobJBusAddr, jBusData0, jBusData1, JIntABusyAddr, jIntBusy, JIntBusyAddr, JIntBusySize, JIntData0Addr, JIntData1Addr, JIntDataA0Addr, JIntDataA1Addr, panic, Packet::req, Packet::set(), and Iob::IntBusy::source.
Referenced by read().
void Iob::receiveDeviceInterrupt | ( | DeviceId | devid | ) |
Definition at line 263 of file iob.cc.
References DPRINTF, ic, intCtl, intMan, SparcISA::IT_INT_VEC, ArmISA::mask, Iob::IntCtl::mask, NumDeviceIds, Iob::IntCtl::pend, IntrControl::post(), and X86ISA::vector.
bool Iob::receiveJBusInterrupt | ( | int | cpu_id, |
int | source, | ||
uint64_t | d0, | ||
uint64_t | d1 | ||
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Definition at line 310 of file iob.cc.
References Iob::IntBusy::busy, DPRINTF, ic, SparcISA::IT_INT_VEC, jBusData0, jBusData1, jIntBusy, jIntVec, IntrControl::post(), and Iob::IntBusy::source.
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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 340 of file iob.cc.
References csprintf(), intCtl, intMan, jBusData0, jBusData1, jIntBusy, jIntVec, ArmISA::mask, MaxNiagaraProcs, NumDeviceIds, paramOut(), SERIALIZE_ARRAY, SERIALIZE_SCALAR, X86ISA::vector, and X86ISA::x.
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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 361 of file iob.cc.
References csprintf(), intCtl, intMan, jBusData0, jBusData1, jIntBusy, jIntVec, ArmISA::mask, MaxNiagaraProcs, NumDeviceIds, paramIn(), UNSERIALIZE_ARRAY, UNSERIALIZE_SCALAR, X86ISA::vector, and X86ISA::x.
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 170 of file iob.cc.
References Packet::getAddr(), iobJBusAddr, iobJBusSize, iobManAddr, iobManSize, Packet::makeAtomicResponse(), panic, pioDelay, writeIob(), and writeJBus().
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Definition at line 185 of file iob.cc.
References bits(), Iob::IntMan::cpu, data, DPRINTF, generateIpi(), Packet::get(), Packet::getAddr(), MipsISA::index, intCtl, IntCtlAddr, IntCtlSize, intMan, IntManAddr, IntManSize, IntVecDisAddr, IntVecDisSize, iobManAddr, jIntVec, JIntVecAddr, Iob::IntCtl::mask, panic, Iob::IntCtl::pend, X86ISA::type, X86ISA::vector, and Iob::IntMan::vector.
Referenced by write().
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Definition at line 236 of file iob.cc.
References bits(), Iob::IntBusy::busy, Request::contextId(), MipsISA::cpuid, data, DPRINTF, Packet::get(), Packet::getAddr(), MipsISA::index, iobJBusAddr, JIntABusyAddr, jIntBusy, JIntBusyAddr, JIntBusySize, panic, and Packet::req.
Referenced by write().
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Definition at line 76 of file iob.hh.
Referenced by generateIpi(), receiveDeviceInterrupt(), and receiveJBusInterrupt().
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Definition at line 114 of file iob.hh.
Referenced by Iob(), readIob(), receiveDeviceInterrupt(), serialize(), unserialize(), and writeIob().
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Definition at line 113 of file iob.hh.
Referenced by Iob(), readIob(), receiveDeviceInterrupt(), serialize(), unserialize(), and writeIob().
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Definition at line 79 of file iob.hh.
Referenced by getAddrRanges(), Iob(), read(), readJBus(), write(), and writeJBus().
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Definition at line 77 of file iob.hh.
Referenced by getAddrRanges(), Iob(), read(), readIob(), write(), and writeIob().
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Definition at line 116 of file iob.hh.
Referenced by readJBus(), receiveJBusInterrupt(), serialize(), and unserialize().
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Definition at line 117 of file iob.hh.
Referenced by readJBus(), receiveJBusInterrupt(), serialize(), and unserialize().
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Definition at line 118 of file iob.hh.
Referenced by readJBus(), receiveJBusInterrupt(), serialize(), unserialize(), and writeJBus().
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Definition at line 115 of file iob.hh.
Referenced by readIob(), receiveJBusInterrupt(), serialize(), unserialize(), and writeIob().
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