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gem5
v19.0.0.0
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#include <gic_v3.hh>
Public Types | |
| enum | IntStatus { INT_INACTIVE, INT_PENDING, INT_ACTIVE, INT_ACTIVE_PENDING } |
| enum | GroupId { G0S, G1S, G1NS } |
| enum | IntTriggerType { INT_LEVEL_SENSITIVE, INT_EDGE_TRIGGERED } |
Public Types inherited from BaseGic | |
| enum | GicVersion { GicVersion::GIC_V2, GicVersion::GIC_V3, GicVersion::GIC_V4 } |
| typedef BaseGicParams | 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 | |
| Gicv3 (const Params *p) | |
| void | deassertInt (uint32_t cpu, ArmISA::InterruptTypes int_type) |
| Gicv3CPUInterface * | getCPUInterface (int cpu_id) const |
| Gicv3Distributor * | getDistributor () const |
| Gicv3Redistributor * | getRedistributor (ContextID context_id) const |
| Gicv3Redistributor * | getRedistributorByAffinity (uint32_t affinity) const |
| Gicv3Redistributor * | getRedistributorByAddr (Addr address) const |
| void | postInt (uint32_t cpu, ArmISA::InterruptTypes int_type) |
Public Member Functions inherited from BaseGic | |
| BaseGic (const Params *p) | |
| virtual | ~BaseGic () |
| const Params * | params () const |
| ArmSystem * | getSystem () const |
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... | |
| 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) |
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 | |
| 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 Stats::Group | |
| Group ()=delete | |
| Group (const Group &)=delete | |
| Group & | operator= (const Group &)=delete |
| 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... | |
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 |
Static Public Attributes | |
| static const int | INTID_SECURE = 1020 |
| static const int | INTID_NONSECURE = 1021 |
| static const int | INTID_SPURIOUS = 1023 |
| static const int | SGI_MAX = 16 |
| static const int | PPI_MAX = 16 |
Static Public Attributes inherited from Serializable | |
| static int | ckptCount = 0 |
| static int | ckptMaxCount = 0 |
| static int | ckptPrevCount = -1 |
Protected Types | |
| typedef Gicv3Params | Params |
Protected Member Functions | |
| void | clearInt (uint32_t int_id) override |
| Clear an interrupt from a device that is connected to the GIC. More... | |
| void | clearPPInt (uint32_t int_id, uint32_t cpu) override |
| AddrRangeList | getAddrRanges () const override |
| Every PIO device is obliged to provide an implementation that returns the address ranges the device responds to. More... | |
| void | init () override |
| init() is called after all C++ SimObjects have been created and all ports are connected. More... | |
| const Params * | params () const |
| Tick | read (PacketPtr pkt) override |
| Pure virtual function that the device must implement. More... | |
| void | reset () |
| void | sendInt (uint32_t int_id) override |
| Post an interrupt from a device that is connected to the GIC. More... | |
| void | sendPPInt (uint32_t int_id, uint32_t cpu) override |
| Interface call for private peripheral interrupts. More... | |
| void | serialize (CheckpointOut &cp) const override |
| Serialize an object. More... | |
| void | unserialize (CheckpointIn &cp) override |
| Unserialize an object. More... | |
| Tick | write (PacketPtr pkt) override |
| Pure virtual function that the device must implement. More... | |
| bool | supportsVersion (GicVersion version) override |
| Check if version supported. More... | |
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 | |
| Gicv3Distributor * | distributor |
| std::vector< Gicv3Redistributor * > | redistributors |
| std::vector< Gicv3CPUInterface * > | cpuInterfaces |
| Gicv3Its * | its |
| AddrRange | distRange |
| AddrRange | redistRange |
| AddrRangeList | addrRanges |
| uint64_t | redistSize |
Protected Attributes inherited from BaseGic | |
| Platform * | platform |
| Platform this GIC belongs to. 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 ClockedObject | |
| Enums::PwrState | _currPwrState |
| To keep track of the current power state. More... | |
| Tick | prvEvalTick |
| ClockedObject::ClockedObjectStats | stats |
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... | |
Friends | |
| class | Gicv3CPUInterface |
| class | Gicv3Redistributor |
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) |
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protected |
| enum Gicv3::GroupId |
| enum Gicv3::IntStatus |
| Gicv3::Gicv3 | ( | const Params * | p | ) |
Definition at line 56 of file gic_v3.cc.
Referenced by params(), and unserialize().
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overrideprotectedvirtual |
Clear an interrupt from a device that is connected to the GIC.
Depending on the configuration, the GIC may de-assert it's CPU line.
| num | number of interrupt to send |
Implements BaseGic.
Definition at line 185 of file gic_v3.cc.
References Gicv3Distributor::deassertSPI(), and distributor.
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| void Gicv3::deassertInt | ( | uint32_t | cpu, |
| ArmISA::InterruptTypes | int_type | ||
| ) |
Definition at line 220 of file gic_v3.cc.
References IntrControl::clear(), Platform::intrctrl, and BaseGic::platform.
Referenced by params(), Gicv3CPUInterface::update(), and Gicv3CPUInterface::virtualUpdate().
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inlineoverrideprotectedvirtual |
Every PIO device is obliged to provide an implementation that returns the address ranges the device responds to.
Implements PioDevice.
Definition at line 108 of file gic_v3.hh.
References addrRanges, and init().
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inline |
Definition at line 136 of file gic_v3.hh.
Referenced by Gicv3Redistributor::init(), and ArmISA::ISA::startup().
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Definition at line 143 of file gic_v3.hh.
References distributor.
Referenced by Gicv3Redistributor::init(), Gicv3CPUInterface::init(), and Gicv3Its::read().
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Definition at line 149 of file gic_v3.hh.
References getRedistributorByAddr(), getRedistributorByAffinity(), and postInt().
Referenced by Gicv3CPUInterface::generateSGI(), Gicv3Its::getRedistributor(), Gicv3CPUInterface::init(), Gicv3Distributor::route(), and Gicv3Distributor::update().
| Gicv3Redistributor * Gicv3::getRedistributorByAddr | ( | Addr | address | ) | const |
Definition at line 238 of file gic_v3.cc.
References AddrRange::contains(), panic_if, redistRange, redistributors, redistSize, and AddrRange::start().
Referenced by getRedistributor(), Gicv3Its::getRedistributor(), read(), and write().
| Gicv3Redistributor * Gicv3::getRedistributorByAffinity | ( | uint32_t | affinity | ) | const |
Definition at line 226 of file gic_v3.cc.
References redistributors.
Referenced by getRedistributor(), and Gicv3Distributor::route().
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overrideprotectedvirtual |
init() is called after all C++ SimObjects have been created and all ports are connected.
Initializations that are independent of unserialization but rely on a fully instantiated and connected SimObject graph should be done here.
Reimplemented from BaseGic.
Definition at line 62 of file gic_v3.cc.
References Gicv3Distributor::ADDR_RANGE_SIZE, addrRanges, cpuInterfaces, distRange, distributor, Gicv3CPUInterface, Gicv3Redistributor, ArmISA::i, BaseGic::init(), Gicv3Distributor::init(), its, System::numContexts(), panic_if, params(), RangeSize(), redistRange, redistributors, redistSize, Gicv3Its::setGIC(), and PioDevice::sys.
Referenced by getAddrRanges().
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inlineprotected |
Definition at line 116 of file gic_v3.hh.
References SimObject::_params, deassertInt(), Gicv3(), MipsISA::p, read(), reset(), sendInt(), sendPPInt(), serialize(), supportsVersion(), unserialize(), and write().
Referenced by init(), read(), Gicv3CPUInterface::setThreadContext(), supportsVersion(), and write().
| void Gicv3::postInt | ( | uint32_t | cpu, |
| ArmISA::InterruptTypes | int_type | ||
| ) |
Definition at line 207 of file gic_v3.cc.
References Platform::intrctrl, BaseGic::platform, and IntrControl::post().
Referenced by getRedistributor(), Gicv3CPUInterface::update(), and Gicv3CPUInterface::virtualUpdate().
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 102 of file gic_v3.cc.
References addr, AddrRange::contains(), distRange, distributor, DPRINTF, Packet::getAddr(), getRedistributorByAddr(), Packet::getSize(), Packet::isSecure(), LittleEndianByteOrder, Packet::makeAtomicResponse(), panic, panic_if, params(), Gicv3Redistributor::processorNumber(), Gicv3Redistributor::read(), Gicv3Distributor::read(), redistRange, redistSize, Packet::req, Packet::setUintX(), and AddrRange::start().
Referenced by params().
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Referenced by params().
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overrideprotectedvirtual |
Post an interrupt from a device that is connected to the GIC.
Depending on the configuration, the GIC will pass this interrupt on through to a CPU.
| num | number of interrupt to send |
Implements BaseGic.
Definition at line 176 of file gic_v3.cc.
References distributor, DPRINTF, INTID_SECURE, panic_if, PPI_MAX, Gicv3Distributor::sendInt(), and SGI_MAX.
Referenced by params().
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overrideprotectedvirtual |
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overrideprotectedvirtual |
Serialize an object.
Output an object's state into the current checkpoint section.
| cp | Checkpoint state |
Implements Serializable.
Definition at line 254 of file gic_v3.cc.
References cpuInterfaces, csprintf(), distributor, redistributors, and Serializable::serializeSection().
Referenced by params().
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overrideprotectedvirtual |
Check if version supported.
Implements BaseGic.
Definition at line 213 of file gic_v3.cc.
References BaseGic::GIC_V3, BaseGic::GIC_V4, and params().
Referenced by params().
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Unserialize an object.
Read an object's state from the current checkpoint section.
| cp | Checkpoint state |
Implements Serializable.
Definition at line 270 of file gic_v3.cc.
References cpuInterfaces, csprintf(), distributor, BaseGic::getSystem(), Gicv3(), redistributors, ArmSystem::setGIC(), and Serializable::unserializeSection().
Referenced by params().
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 139 of file gic_v3.cc.
References addr, AddrRange::contains(), data, distRange, distributor, DPRINTF, Packet::getAddr(), getRedistributorByAddr(), Packet::getSize(), Packet::getUintX(), Packet::isSecure(), LittleEndianByteOrder, Packet::makeAtomicResponse(), panic, panic_if, params(), Gicv3Redistributor::processorNumber(), redistRange, redistSize, Packet::req, AddrRange::start(), Gicv3Redistributor::write(), and Gicv3Distributor::write().
Referenced by params().
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Definition at line 67 of file gic_v3.hh.
Referenced by getAddrRanges(), and init().
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Definition at line 63 of file gic_v3.hh.
Referenced by init(), serialize(), and unserialize().
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Definition at line 61 of file gic_v3.hh.
Referenced by clearInt(), getDistributor(), init(), read(), sendInt(), serialize(), unserialize(), and write().
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Definition at line 74 of file gic_v3.hh.
Referenced by Gicv3CPUInterface::getHPPIR0(), and Gicv3CPUInterface::getHPPIR1().
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Definition at line 73 of file gic_v3.hh.
Referenced by Gicv3CPUInterface::deactivateIRQ(), Gicv3CPUInterface::generateSGI(), Gicv3CPUInterface::getHPPIR0(), Gicv3CPUInterface::getHPPIR1(), Gicv3Distributor::Gicv3Distributor(), Gicv3CPUInterface::readMiscReg(), sendInt(), Gicv3CPUInterface::setMiscReg(), and Gicv3CPUInterface::virtualDeactivateIRQ().
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Definition at line 75 of file gic_v3.hh.
Referenced by Gicv3CPUInterface::getHPPIR0(), Gicv3CPUInterface::getHPPIR1(), Gicv3CPUInterface::Gicv3CPUInterface(), Gicv3Its::lpiOutOfRange(), Gicv3CPUInterface::readMiscReg(), and Gicv3CPUInterface::setMiscReg().
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Definition at line 80 of file gic_v3.hh.
Referenced by Gicv3CPUInterface::deactivateIRQ(), Gicv3Distributor::deassertSPI(), Gicv3CPUInterface::generateSGI(), Gicv3Distributor::getIntGroup(), Gicv3Redistributor::getIntGroup(), Gicv3Redistributor::intStatus(), Gicv3Distributor::intStatus(), Gicv3Distributor::isNotSPI(), sendInt(), Gicv3Distributor::sendInt(), sendPPInt(), Gicv3Redistributor::sendPPInt(), Gicv3Redistributor::update(), and Gicv3Distributor::update().
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Definition at line 62 of file gic_v3.hh.
Referenced by getRedistributorByAddr(), getRedistributorByAffinity(), init(), sendPPInt(), serialize(), and unserialize().
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Definition at line 78 of file gic_v3.hh.
Referenced by Gicv3CPUInterface::deactivateIRQ(), Gicv3Distributor::deassertSPI(), Gicv3CPUInterface::generateSGI(), Gicv3Distributor::getIntGroup(), Gicv3Redistributor::getIntGroup(), Gicv3Redistributor::intStatus(), Gicv3Distributor::intStatus(), Gicv3Distributor::isNotSPI(), Gicv3Redistributor::read(), sendInt(), Gicv3Distributor::sendInt(), sendPPInt(), Gicv3Redistributor::sendPPInt(), Gicv3Redistributor::sendSGI(), Gicv3Redistributor::update(), Gicv3Distributor::update(), and Gicv3Redistributor::write().