gem5
v20.1.0.0
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#include <iob.hh>
Classes | |
struct | IntBusy |
struct | IntCtl |
struct | IntMan |
Public Types | |
typedef IobParams | Params |
Public Types inherited from PioDevice | |
typedef PioDeviceParams | Params |
Public Types inherited from ClockedObject | |
typedef ClockedObjectParams | Params |
Parameters of ClockedObject. More... | |
Public Types inherited from SimObject | |
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... | |
Public Member Functions inherited from PioDevice | |
PioDevice (const Params *p) | |
virtual | ~PioDevice () |
const Params * | params () const |
void | init () override |
init() is called after all C++ SimObjects have been created and all ports are connected. More... | |
Port & | getPort (const std::string &if_name, PortID idx=InvalidPortID) override |
Get a 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... | |
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 | 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 | |
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. More... | |
void | setCurTick (Tick newVal) |
EventManager (EventManager &em) | |
Event manger manages events in the event queue. More... | |
EventManager (EventManager *em) | |
EventManager (EventQueue *eq) | |
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 Stats::Group | |
Group (Group *parent, const char *name=nullptr) | |
Construct a new statistics group. More... | |
virtual | ~Group () |
virtual void | regStats () |
Callback to set stat parameters. More... | |
virtual void | resetStats () |
Callback to reset stats. More... | |
virtual void | preDumpStats () |
Callback before stats are dumped. More... | |
void | addStat (Stats::Info *info) |
Register a stat with this group. More... | |
const std::map< std::string, Group * > & | getStatGroups () const |
Get all child groups associated with this object. More... | |
const std::vector< Info * > & | getStats () const |
Get all stats associated with this object. More... | |
void | addStatGroup (const char *name, Group *block) |
Add a stat block as a child of this block. More... | |
const Info * | resolveStat (std::string name) const |
Resolve a stat by its name within this group. More... | |
Group ()=delete | |
Group (const Group &)=delete | |
Group & | operator= (const Group &)=delete |
Public Member Functions inherited from Clocked | |
void | updateClockPeriod () |
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 | |
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 () |
Gets the fully-qualified name of the active section. More... | |
static void | serializeAll (const std::string &cpt_dir) |
Serializes all the SimObjects. More... | |
static void | unserializeGlobals (CheckpointIn &cp) |
Public Attributes inherited from ClockedObject | |
PowerState * | powerState |
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... | |
virtual void | clockPeriodUpdated () |
A hook subclasses can implement so they can do any extra work that's needed when the clock rate is changed. More... | |
Protected Attributes inherited from PioDevice | |
System * | sys |
PioPort< PioDevice > | pioPort |
The pioPort that handles the requests for us and provides us requests that it sees. 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... | |
typedef IobParams Iob::Params |
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private |
Iob::Iob | ( | const Params * | p | ) |
Definition at line 54 of file iob.cc.
References Iob::IntMan::cpu, intCtl, intMan, iobJBusAddr, iobJBusSize, iobManAddr, iobManSize, Iob::IntCtl::mask, MaxNiagaraProcs, NumDeviceIds, MipsISA::p, params(), Iob::IntCtl::pend, pioDelay, X86ISA::system, ULL, Iob::IntMan::vector, and RiscvISA::x.
void Iob::generateIpi | ( | Type | type, |
int | cpu_id, | ||
int | vector | ||
) |
Definition at line 276 of file iob.cc.
References DPRINTF, ic, SparcISA::SparcFaultBase::invoke(), SparcISA::IT_INT_VEC, panic, IntrControl::post(), System::Threads::size(), PioDevice::sys, System::threads, SparcISA::SparcFault< T >::trapType(), type, X86ISA::vector, 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 329 of file iob.cc.
References iobJBusAddr, iobJBusSize, iobManAddr, iobManSize, and RangeSize().
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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 75 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 90 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::setBE(), and Iob::IntMan::vector.
Referenced by read().
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Definition at line 119 of file iob.cc.
References Iob::IntBusy::busy, MipsISA::cpuid, data, Packet::getAddr(), MipsISA::index, iobJBusAddr, jBusData0, jBusData1, JIntABusyAddr, jIntBusy, JIntBusyAddr, JIntBusySize, JIntData0Addr, JIntData1Addr, JIntDataA0Addr, JIntDataA1Addr, panic, Packet::req, Packet::setBE(), and Iob::IntBusy::source.
Referenced by read().
void Iob::receiveDeviceInterrupt | ( | DeviceId | devid | ) |
Definition at line 262 of file iob.cc.
References DPRINTF, ic, intCtl, intMan, SparcISA::IT_INT_VEC, Iob::IntCtl::mask, ArmISA::mask, NumDeviceIds, Iob::IntCtl::pend, IntrControl::post(), and X86ISA::vector.
bool Iob::receiveJBusInterrupt | ( | int | cpu_id, |
int | source, | ||
uint64_t | d0, | ||
uint64_t | d1 | ||
) |
Definition at line 309 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 339 of file iob.cc.
References csprintf(), intCtl, intMan, jBusData0, jBusData1, jIntBusy, jIntVec, ArmISA::mask, MaxNiagaraProcs, NumDeviceIds, paramOut(), SERIALIZE_ARRAY, SERIALIZE_SCALAR, X86ISA::vector, and RiscvISA::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 360 of file iob.cc.
References csprintf(), intCtl, intMan, jBusData0, jBusData1, jIntBusy, jIntVec, ArmISA::mask, MaxNiagaraProcs, NumDeviceIds, paramIn(), UNSERIALIZE_ARRAY, UNSERIALIZE_SCALAR, X86ISA::vector, and RiscvISA::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 169 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 184 of file iob.cc.
References bits(), Iob::IntMan::cpu, data, DPRINTF, generateIpi(), Packet::getAddr(), Packet::getBE(), MipsISA::index, intCtl, IntCtlAddr, IntCtlSize, intMan, IntManAddr, IntManSize, IntVecDisAddr, IntVecDisSize, iobManAddr, jIntVec, JIntVecAddr, Iob::IntCtl::mask, panic, Iob::IntCtl::pend, type, X86ISA::vector, and Iob::IntMan::vector.
Referenced by write().
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private |
Definition at line 235 of file iob.cc.
References bits(), Iob::IntBusy::busy, MipsISA::cpuid, data, DPRINTF, Packet::getAddr(), Packet::getBE(), MipsISA::index, iobJBusAddr, JIntABusyAddr, jIntBusy, JIntBusyAddr, JIntBusySize, panic, and Packet::req.
Referenced by write().
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Definition at line 74 of file iob.hh.
Referenced by generateIpi(), receiveDeviceInterrupt(), and receiveJBusInterrupt().
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Definition at line 112 of file iob.hh.
Referenced by Iob(), readIob(), receiveDeviceInterrupt(), serialize(), unserialize(), and writeIob().
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Definition at line 111 of file iob.hh.
Referenced by Iob(), readIob(), receiveDeviceInterrupt(), serialize(), unserialize(), and writeIob().
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Definition at line 77 of file iob.hh.
Referenced by getAddrRanges(), Iob(), read(), readJBus(), write(), and writeJBus().
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Definition at line 75 of file iob.hh.
Referenced by getAddrRanges(), Iob(), read(), readIob(), write(), and writeIob().
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Definition at line 114 of file iob.hh.
Referenced by readJBus(), receiveJBusInterrupt(), serialize(), and unserialize().
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Definition at line 115 of file iob.hh.
Referenced by readJBus(), receiveJBusInterrupt(), serialize(), and unserialize().
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Definition at line 116 of file iob.hh.
Referenced by readJBus(), receiveJBusInterrupt(), serialize(), unserialize(), and writeJBus().
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Definition at line 113 of file iob.hh.
Referenced by readIob(), receiveJBusInterrupt(), serialize(), unserialize(), and writeIob().
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