gem5 v24.0.0.0
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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 (const std::string &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 maintIntPosted, gem5::System::Threads::numRunning(), postVIntEvent, processPostVIntEvent(), gem5::PioDevice::sys, gem5::System::threads, 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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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 391 of file vgic.cc.
References DPRINTF, gic, maintInt, and gem5::BaseGic::sendPPInt().
Referenced by updateIntState().
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Definition at line 367 of file vgic.cc.
References DPRINTF, gem5::EventManager::eventq, postVIntEvent, and gem5::EventQueue::schedule().
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, vIntPosted, and gem5::Event::when().
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Definition at line 399 of file vgic.cc.
References gem5::BaseGic::clearPPInt(), DPRINTF, gic, and maintInt.
Referenced by updateIntState().
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Definition at line 375 of file vgic.cc.
References gem5::scmi::Platform::clearInterrupt(), 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, gem5::System::Threads::numRunning(), postMaintInt(), postVInt(), gem5::PioDevice::sys, gem5::System::threads, 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(), and unPostMaintInt().
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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().
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Definition at line 119 of file vgic.hh.
Referenced by getAddrRanges(), read(), readCtrl(), serialize(), unserialize(), 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(), and unserialize().
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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(), writeCtrl(), and writeVCpu().
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Definition at line 115 of file vgic.hh.
Referenced by processPostVIntEvent(), and unPostVInt().
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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(), 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().