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gem5 [DEVELOP-FOR-25.0]
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#include <vgic.hh>
Public Types | |
| using | Params = VGicParams |
Public Types inherited from gem5::PioDevice | |
| using | Params = PioDeviceParams |
Public Types inherited from gem5::ClockedObject | |
| using | Params = ClockedObjectParams |
| Parameters of ClockedObject. | |
Public Types inherited from gem5::SimObject | |
| typedef SimObjectParams | Params |
Public Member Functions | |
| VGic (const Params &p) | |
| ~VGic () | |
| AddrRangeList | getAddrRanges () const override |
| Every PIO device is obliged to provide an implementation that returns the address ranges the device responds to. | |
| Tick | read (PacketPtr pkt) override |
| Pure virtual function that the device must implement. | |
| Tick | write (PacketPtr pkt) override |
| Pure virtual function that the device must implement. | |
| void | serialize (CheckpointOut &cp) const override |
| Serialize an object. | |
| void | unserialize (CheckpointIn &cp) override |
| Unserialize an object. | |
Public Member Functions inherited from gem5::PioDevice | |
| PioDevice (const Params &p) | |
| virtual | ~PioDevice () |
| void | init () override |
| init() is called after all C++ SimObjects have been created and all ports are connected. | |
| Port & | getPort (const std::string &if_name, PortID idx=InvalidPortID) override |
| Get a port with a given name and index. | |
Public Member Functions inherited from gem5::ClockedObject | |
| ClockedObject (const ClockedObjectParams &p) | |
Public Member Functions inherited from gem5::SimObject | |
| const Params & | params () const |
| SimObject (const Params &p) | |
| virtual | ~SimObject () |
| virtual void | loadState (CheckpointIn &cp) |
| loadState() is called on each SimObject when restoring from a checkpoint. | |
| virtual void | initState () |
| initState() is called on each SimObject when not restoring from a checkpoint. | |
| virtual void | regProbePoints () |
| Register probe points for this object. | |
| virtual void | regProbeListeners () |
| Register probe listeners for this object. | |
| ProbeManager * | getProbeManager () |
| Get the probe manager for this object. | |
| virtual void | startup () |
| startup() is the final initialization call before simulation. | |
| DrainState | drain () override |
| Provide a default implementation of the drain interface for objects that don't need draining. | |
| virtual void | memWriteback () |
| Write back dirty buffers to memory using functional writes. | |
| virtual void | memInvalidate () |
| Invalidate the contents of memory buffers. | |
Public Member Functions inherited from gem5::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. | |
| void | setCurTick (Tick newVal) |
| EventManager (EventManager &em) | |
| Event manger manages events in the event queue. | |
| EventManager (EventManager *em) | |
| EventManager (EventQueue *eq) | |
Public Member Functions inherited from gem5::Serializable | |
| Serializable () | |
| virtual | ~Serializable () |
| void | serializeSection (CheckpointOut &cp, const char *name) const |
| Serialize an object into a new section. | |
| void | serializeSection (CheckpointOut &cp, const std::string &name) const |
| void | unserializeSection (CheckpointIn &cp, const char *name) |
| Unserialize an a child object. | |
| void | unserializeSection (CheckpointIn &cp, const std::string &name) |
Public Member Functions inherited from gem5::Drainable | |
| DrainState | drainState () const |
| Return the current drain state of an object. | |
| virtual void | notifyFork () |
| Notify a child process of a fork. | |
Public Member Functions inherited from gem5::statistics::Group | |
| Group (Group *parent, const char *name=nullptr) | |
| Construct a new statistics group. | |
| virtual | ~Group () |
| virtual void | regStats () |
| Callback to set stat parameters. | |
| virtual void | resetStats () |
| Callback to reset stats. | |
| virtual void | preDumpStats () |
| Callback before stats are dumped. | |
| void | addStat (statistics::Info *info) |
| Register a stat with this group. | |
| const std::map< std::string, Group * > & | getStatGroups () const |
| Get all child groups associated with this object. | |
| const std::vector< Info * > & | getStats () const |
| Get all stats associated with this object. | |
| void | addStatGroup (const char *name, Group *block) |
| Add a stat block as a child of this block. | |
| const Info * | resolveStat (std::string name) const |
| Resolve a stat by its name within this group. | |
| void | mergeStatGroup (Group *block) |
| Merge the contents (stats & children) of a block to this block. | |
| Group ()=delete | |
| Group (const Group &)=delete | |
| Group & | operator= (const Group &)=delete |
Public Member Functions inherited from gem5::Named | |
| Named (std::string_view name_) | |
| virtual | ~Named ()=default |
| virtual std::string | name () const |
Public Member Functions inherited from gem5::Clocked | |
| void | updateClockPeriod () |
| Update the tick to the current tick. | |
| 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. | |
| Cycles | curCycle () const |
| Determine the current cycle, corresponding to a tick aligned to a clock edge. | |
| 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. | |
| uint64_t | frequency () const |
| Tick | clockPeriod () const |
| double | voltage () const |
| Cycles | ticksToCycles (Tick t) const |
| Tick | cyclesToTicks (Cycles c) const |
Private Member Functions | |
| void | processPostVIntEvent (uint32_t cpu) |
| Post interrupt to CPU. | |
| BitUnion32 (ListReg) Bitfield< 31 > HW | |
| EndBitUnion (ListReg) BitUnion32(HCR) Bitfield< 31 | |
| EndBitUnion (HCR) BitUnion32(VCTLR) Bitfield< 9 > EOImode | |
| Tick | readVCpu (PacketPtr pkt) |
| Tick | readCtrl (PacketPtr pkt) |
| Tick | writeVCpu (PacketPtr pkt) |
| Tick | writeCtrl (PacketPtr pkt) |
| void | updateIntState (ContextID ctx_id) |
| uint32_t | getMISR (struct vcpuIntData *vid) |
| void | postVInt (uint32_t cpu, Tick when) |
| void | unPostVInt (uint32_t cpu) |
| void | postMaintInt (uint32_t cpu) |
| void | unPostMaintInt (uint32_t cpu) |
| unsigned int | lrPending (struct vcpuIntData *vid) |
| unsigned int | lrValid (struct vcpuIntData *vid) |
| int | findHighestPendingLR (struct vcpuIntData *vid) |
| Returns LR index or -1 if none pending. | |
| int | findLRForVIRQ (struct vcpuIntData *vid, int virq, int vcpu) |
Private Attributes | |
| const uint32_t | gicvIIDR |
| EventFunctionWrapper * | postVIntEvent [VGIC_CPU_MAX] |
| bool | maintIntPosted [VGIC_CPU_MAX] |
| bool | vIntPosted [VGIC_CPU_MAX] |
| Platform * | platform |
| BaseGic * | gic |
| Addr | vcpuAddr |
| Addr | hvAddr |
| Tick | pioDelay |
| int | maintInt |
| Bitfield< 30 > | Grp1 |
| Bitfield< 29, 28 > | State |
| Bitfield< 27, 23 > | Priority |
| Bitfield< 19 > | EOI |
| Bitfield< 12, 10 > | CpuID |
| Bitfield< 9, 0 > | VirtualID |
| EOICount | |
| Bitfield< 7 > | VGrp1DIE |
| Bitfield< 6 > | VGrp1EIE |
| Bitfield< 5 > | VGrp0DIE |
| Bitfield< 4 > | VGrp0EIE |
| Bitfield< 3 > | NPIE |
| Bitfield< 2 > | LRENPIE |
| Bitfield< 1 > | UIE |
| Bitfield< 0 > | En |
| Bitfield< 4 > | CPBR |
| Bitfield< 3 > | FIQEn |
| Bitfield< 2 > | AckCtl |
| Bitfield< 1 > | EnGrp1 |
| EndBitUnion(VCTLR) struct vcpuIntData struct std::array< vcpuIntData, VGIC_CPU_MAX > | vcpuData |
Static Private Attributes | |
| static const int | VGIC_CPU_MAX = 256 |
| static const int | NUM_LR = 4 |
| static const int | GICH_SIZE = 0x200 |
| static const int | GICH_REG_SIZE = 0x2000 |
| static const int | GICH_HCR = 0x000 |
| static const int | GICH_VTR = 0x004 |
| static const int | GICH_VMCR = 0x008 |
| static const int | GICH_MISR = 0x010 |
| static const int | GICH_EISR0 = 0x020 |
| static const int | GICH_EISR1 = 0x024 |
| static const int | GICH_ELSR0 = 0x030 |
| static const int | GICH_ELSR1 = 0x034 |
| static const int | GICH_APR0 = 0x0f0 |
| static const int | GICH_LR0 = 0x100 |
| static const int | GICH_LR1 = 0x104 |
| static const int | GICH_LR2 = 0x108 |
| static const int | GICH_LR3 = 0x10c |
| static const int | GICV_SIZE = 0x2000 |
| static const int | GICV_CTLR = 0x000 |
| static const int | GICV_PMR = 0x004 |
| static const int | GICV_BPR = 0x008 |
| static const int | GICV_IAR = 0x00c |
| static const int | GICV_EOIR = 0x010 |
| static const int | GICV_RPR = 0x014 |
| static const int | GICV_HPPIR = 0x018 |
| static const int | GICV_ABPR = 0x01c |
| static const int | GICV_AIAR = 0x020 |
| static const int | GICV_AEOIR = 0x024 |
| static const int | GICV_AHPPIR = 0x028 |
| static const int | GICV_APR0 = 0x0d0 |
| static const int | GICV_IIDR = 0x0fc |
| static const int | GICV_DIR = 0x1000 |
| static const uint32_t | LR_PENDING = 1 |
| static const uint32_t | LR_ACTIVE = 2 |
Additional Inherited Members | |
Static Public Member Functions inherited from gem5::SimObject | |
| static void | serializeAll (const std::string &cpt_dir) |
| Create a checkpoint by serializing all SimObjects in the system. | |
| static SimObject * | find (const char *name) |
| Find the SimObject with the given name and return a pointer to it. | |
| static void | setSimObjectResolver (SimObjectResolver *resolver) |
| There is a single object name resolver, and it is only set when simulation is restoring from checkpoints. | |
| static SimObjectResolver * | getSimObjectResolver () |
| There is a single object name resolver, and it is only set when simulation is restoring from checkpoints. | |
Static Public Member Functions inherited from gem5::Serializable | |
| static const std::string & | currentSection () |
| Gets the fully-qualified name of the active section. | |
| static void | generateCheckpointOut (const std::string &cpt_dir, std::ofstream &outstream) |
| Generate a checkpoint file so that the serialization can be routed to it. | |
Public Attributes inherited from gem5::ClockedObject | |
| PowerState * | powerState |
Protected Member Functions inherited from gem5::Drainable | |
| Drainable () | |
| virtual | ~Drainable () |
| virtual void | drainResume () |
| Resume execution after a successful drain. | |
| void | signalDrainDone () const |
| Signal that an object is drained. | |
Protected Member Functions inherited from gem5::Clocked | |
| Clocked (ClockDomain &clk_domain) | |
| Create a clocked object and set the clock domain based on the parameters. | |
| Clocked (Clocked &)=delete | |
| Clocked & | operator= (Clocked &)=delete |
| virtual | ~Clocked () |
| Virtual destructor due to inheritance. | |
| void | resetClock () const |
| Reset the object's clock using the current global tick value. | |
| virtual void | clockPeriodUpdated () |
| A hook subclasses can implement so they can do any extra work that's needed when the clock rate is changed. | |
Protected Attributes inherited from gem5::PioDevice | |
| System * | sys |
| PioPort< PioDevice > | pioPort |
| The pioPort that handles the requests for us and provides us requests that it sees. | |
Protected Attributes inherited from gem5::SimObject | |
| const SimObjectParams & | _params |
| Cached copy of the object parameters. | |
Protected Attributes inherited from gem5::EventManager | |
| EventQueue * | eventq |
| A pointer to this object's event queue. | |
| using gem5::VGic::Params = VGicParams |
| gem5::VGic::VGic | ( | const Params & | p | ) |
Definition at line 52 of file vgic.cc.
References gic, gicvIIDR, hvAddr, maintInt, maintIntPosted, gem5::MipsISA::p, pioDelay, gem5::PioDevice::PioDevice(), platform, postVIntEvent, processPostVIntEvent(), gem5::PioDevice::sys, vcpuAddr, VGIC_CPU_MAX, vIntPosted, and gem5::RiscvISA::x.
| gem5::VGic::~VGic | ( | ) |
Definition at line 67 of file vgic.cc.
References postVIntEvent, VGIC_CPU_MAX, and gem5::RiscvISA::x.
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Referenced by EndBitUnion().
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References BitUnion32(), and EndBitUnion().
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Referenced by EndBitUnion().
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Returns LR index or -1 if none pending.
Definition at line 238 of file vgic.hh.
References gem5::ArmISA::i, LR_PENDING, NUM_LR, and gem5::MipsISA::p.
Referenced by readVCpu().
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Definition at line 251 of file vgic.hh.
References gem5::ArmISA::i, and NUM_LR.
Referenced by writeVCpu().
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Every PIO device is obliged to provide an implementation that returns the address ranges the device responds to.
Implements gem5::PioDevice.
Definition at line 454 of file vgic.cc.
References GICH_REG_SIZE, GICV_SIZE, hvAddr, gem5::RangeSize(), and vcpuAddr.
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Definition at line 354 of file vgic.cc.
References lrPending(), and lrValid().
Referenced by readCtrl(), and updateIntState().
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Definition at line 218 of file vgic.hh.
References gem5::ArmISA::i, LR_PENDING, and NUM_LR.
Referenced by getMISR(), and updateIntState().
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Definition at line 227 of file vgic.hh.
References gem5::ArmISA::i, and NUM_LR.
Referenced by getMISR().
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Definition at line 367 of file vgic.cc.
References DPRINTF, gem5::EventManager::eventq, and postVIntEvent.
Referenced by updateIntState().
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Post interrupt to CPU.
Definition at line 383 of file vgic.cc.
References gem5::ArmISA::INT_VIRT_IRQ, and platform.
Referenced by VGic().
Pure virtual function that the device must implement.
Called when a read command is recieved by the port.
| pkt | Packet describing this request |
Implements gem5::PioDevice.
Definition at line 74 of file vgic.cc.
References gem5::X86ISA::addr, gem5::Packet::getAddr(), GICH_REG_SIZE, GICV_SIZE, hvAddr, panic, readCtrl(), readVCpu(), and vcpuAddr.
Definition at line 147 of file vgic.cc.
References DPRINTF, gem5::Packet::getAddr(), getMISR(), GICH_APR0, GICH_EISR0, GICH_EISR1, GICH_ELSR0, GICH_ELSR1, GICH_HCR, GICH_LR0, GICH_LR1, GICH_LR2, GICH_LR3, GICH_MISR, GICH_VMCR, GICH_VTR, hvAddr, gem5::ArmISA::i, gem5::Packet::makeAtomicResponse(), NUM_LR, panic, pioDelay, gem5::Packet::req, gem5::Packet::setLE(), vcpuData, VGIC_CPU_MAX, and warn_once.
Referenced by read().
Definition at line 100 of file vgic.cc.
References DPRINTF, findHighestPendingLR(), gem5::Packet::getAddr(), GICV_CTLR, GICV_IAR, GICV_IIDR, gicvIIDR, gem5::ArmISA::i, LR_ACTIVE, gem5::Packet::makeAtomicResponse(), panic, pioDelay, gem5::Packet::req, gem5::Packet::setLE(), updateIntState(), vcpuAddr, vcpuData, and VGIC_CPU_MAX.
Referenced by read().
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Serialize an object.
Output an object's state into the current checkpoint section.
| cp | Checkpoint state |
Reimplemented from gem5::ClockedObject.
Definition at line 463 of file vgic.cc.
References gem5::csprintf(), DPRINTF, hvAddr, maintInt, maintIntPosted, pioDelay, postVIntEvent, SERIALIZE_ARRAY, SERIALIZE_SCALAR, gem5::Serializable::serializeSection(), vcpuAddr, vcpuData, VGIC_CPU_MAX, and vIntPosted.
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Definition at line 375 of file vgic.cc.
References DPRINTF, gem5::ArmISA::INT_VIRT_IRQ, and platform.
Referenced by updateIntState().
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Unserialize an object.
Read an object's state from the current checkpoint section.
| cp | Checkpoint state |
Reimplemented from gem5::ClockedObject.
Definition at line 521 of file vgic.cc.
References gem5::csprintf(), DPRINTF, hvAddr, maintInt, maintIntPosted, pioDelay, postVIntEvent, gem5::EventManager::schedule(), UNSERIALIZE_ARRAY, UNSERIALIZE_SCALAR, vcpuAddr, vcpuData, VGIC_CPU_MAX, and vIntPosted.
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Definition at line 409 of file vgic.cc.
References gem5::curTick(), getMISR(), gem5::ArmISA::i, lrPending(), maintIntPosted, NUM_LR, postMaintInt(), postVInt(), gem5::PioDevice::sys, unPostMaintInt(), unPostVInt(), vcpuData, VGIC_CPU_MAX, and vIntPosted.
Referenced by readVCpu(), writeCtrl(), and writeVCpu().
Pure virtual function that the device must implement.
Called when a write command is recieved by the port.
| pkt | Packet describing this request |
Implements gem5::PioDevice.
Definition at line 87 of file vgic.cc.
References gem5::X86ISA::addr, gem5::Packet::getAddr(), GICH_REG_SIZE, GICV_SIZE, hvAddr, panic, vcpuAddr, writeCtrl(), and writeVCpu().
Definition at line 290 of file vgic.cc.
References gem5::ArmISA::d, DPRINTF, gem5::Packet::getAddr(), gem5::Packet::getLE(), GICH_APR0, GICH_HCR, GICH_LR0, GICH_LR1, GICH_LR2, GICH_LR3, GICH_VMCR, hvAddr, gem5::Packet::makeAtomicResponse(), panic, pioDelay, gem5::Packet::req, updateIntState(), vcpuData, VGIC_CPU_MAX, and warn_once.
Referenced by write().
Definition at line 241 of file vgic.cc.
References DPRINTF, findLRForVIRQ(), gem5::Packet::getAddr(), gem5::Packet::getLE(), GICV_CTLR, GICV_EOIR, GICV_PMR, gem5::ArmISA::i, gem5::Packet::makeAtomicResponse(), panic, pioDelay, gem5::Packet::req, updateIntState(), vcpuAddr, vcpuData, VGIC_CPU_MAX, and gem5::MipsISA::w.
Referenced by write().
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Definition at line 116 of file vgic.hh.
Referenced by postMaintInt(), unPostMaintInt(), and VGic().
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Definition at line 82 of file vgic.hh.
Referenced by readCtrl(), and writeCtrl().
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Definition at line 78 of file vgic.hh.
Referenced by readCtrl().
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Definition at line 79 of file vgic.hh.
Referenced by readCtrl().
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Definition at line 80 of file vgic.hh.
Referenced by readCtrl().
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Definition at line 81 of file vgic.hh.
Referenced by readCtrl().
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Definition at line 74 of file vgic.hh.
Referenced by readCtrl(), and writeCtrl().
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Definition at line 83 of file vgic.hh.
Referenced by readCtrl(), and writeCtrl().
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Definition at line 84 of file vgic.hh.
Referenced by readCtrl(), and writeCtrl().
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Definition at line 85 of file vgic.hh.
Referenced by readCtrl(), and writeCtrl().
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Definition at line 86 of file vgic.hh.
Referenced by readCtrl(), and writeCtrl().
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Definition at line 77 of file vgic.hh.
Referenced by readCtrl().
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Definition at line 72 of file vgic.hh.
Referenced by getAddrRanges(), read(), and write().
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Definition at line 76 of file vgic.hh.
Referenced by readCtrl(), and writeCtrl().
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Definition at line 75 of file vgic.hh.
Referenced by readCtrl().
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Definition at line 89 of file vgic.hh.
Referenced by readVCpu(), and writeVCpu().
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Definition at line 93 of file vgic.hh.
Referenced by writeVCpu().
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Definition at line 92 of file vgic.hh.
Referenced by readVCpu().
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Definition at line 101 of file vgic.hh.
Referenced by readVCpu().
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Definition at line 90 of file vgic.hh.
Referenced by writeVCpu().
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Definition at line 88 of file vgic.hh.
Referenced by getAddrRanges(), read(), and write().
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Definition at line 106 of file vgic.hh.
Referenced by readVCpu(), and VGic().
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Definition at line 119 of file vgic.hh.
Referenced by getAddrRanges(), read(), readCtrl(), serialize(), unserialize(), VGic(), write(), and writeCtrl().
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Definition at line 105 of file vgic.hh.
Referenced by readVCpu().
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Definition at line 104 of file vgic.hh.
Referenced by findHighestPendingLR(), and lrPending().
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Definition at line 121 of file vgic.hh.
Referenced by postMaintInt(), serialize(), unPostMaintInt(), unserialize(), and VGic().
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Definition at line 112 of file vgic.hh.
Referenced by serialize(), unserialize(), updateIntState(), and VGic().
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Definition at line 69 of file vgic.hh.
Referenced by findHighestPendingLR(), findLRForVIRQ(), lrPending(), lrValid(), readCtrl(), and updateIntState().
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Definition at line 120 of file vgic.hh.
Referenced by readCtrl(), readVCpu(), serialize(), unserialize(), VGic(), writeCtrl(), and writeVCpu().
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Definition at line 115 of file vgic.hh.
Referenced by processPostVIntEvent(), unPostVInt(), and VGic().
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Definition at line 111 of file vgic.hh.
Referenced by postVInt(), serialize(), unserialize(), VGic(), and ~VGic().
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Definition at line 118 of file vgic.hh.
Referenced by getAddrRanges(), read(), readVCpu(), serialize(), unserialize(), VGic(), write(), and writeVCpu().
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Definition at line 189 of file vgic.hh.
Referenced by readCtrl(), readVCpu(), serialize(), unserialize(), updateIntState(), writeCtrl(), and writeVCpu().
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Definition at line 68 of file vgic.hh.
Referenced by readCtrl(), readVCpu(), serialize(), unserialize(), updateIntState(), VGic(), writeCtrl(), writeVCpu(), and ~VGic().
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Definition at line 113 of file vgic.hh.
Referenced by serialize(), unserialize(), updateIntState(), and VGic().