gem5  v22.1.0.0
Public Types | Public Member Functions | Private Attributes | List of all members
gem5::ArmISA::Interrupts Class Reference

#include <interrupts.hh>

Inheritance diagram for gem5::ArmISA::Interrupts:
gem5::BaseInterrupts gem5::SimObject gem5::EventManager gem5::Serializable gem5::Drainable gem5::statistics::Group gem5::Named

Public Types

enum  InterruptMask { INT_MASK_M , INT_MASK_T , INT_MASK_P }
 
using Params = ArmInterruptsParams
 
- Public Types inherited from gem5::BaseInterrupts
using Params = BaseInterruptsParams
 
- Public Types inherited from gem5::SimObject
typedef SimObjectParams Params
 

Public Member Functions

 Interrupts (const Params &p)
 
void post (int int_num, int index) override
 
void clear (int int_num, int index) override
 
void clearAll () override
 
bool takeInt (InterruptTypes int_type) const
 
bool checkInterrupts () const override
 
bool checkWfiWake (HCR hcr, CPSR cpsr, SCR scr) const
 This function is used to check if a wfi operation should sleep. More...
 
uint32_t getISR (HCR hcr, CPSR cpsr, SCR scr)
 
bool checkRaw (InterruptTypes interrupt) const
 Check the state of a particular interrupt, ignoring CPSR masks. More...
 
Fault getInterrupt () override
 
void updateIntrInfo () override
 
void serialize (CheckpointOut &cp) const override
 Serialize an object. More...
 
void unserialize (CheckpointIn &cp) override
 Unserialize an object. More...
 
- Public Member Functions inherited from gem5::BaseInterrupts
 BaseInterrupts (const Params &p)
 
virtual void setThreadContext (ThreadContext *_tc)
 
- Public Member Functions inherited from gem5::SimObject
const Paramsparams () const
 
 SimObject (const Params &p)
 
virtual ~SimObject ()
 
virtual void init ()
 init() is called after all C++ SimObjects have been created and all ports are connected. More...
 
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...
 
ProbeManagergetProbeManager ()
 Get the probe manager for this object. More...
 
virtual PortgetPort (const std::string &if_name, PortID idx=InvalidPortID)
 Get a port with a given name and index. 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 gem5::EventManager
EventQueueeventQueue () 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 gem5::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 gem5::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 gem5::statistics::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 (statistics::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 InforesolveStat (std::string name) const
 Resolve a stat by its name within this group. More...
 
void mergeStatGroup (Group *block)
 Merge the contents (stats & children) of a block to this block. More...
 
 Group ()=delete
 
 Group (const Group &)=delete
 
Groupoperator= (const Group &)=delete
 
- Public Member Functions inherited from gem5::Named
 Named (const std::string &name_)
 
virtual ~Named ()=default
 
virtual std::string name () const
 

Private Attributes

bool interrupts [NumInterruptTypes]
 
uint64_t intStatus
 

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. More...
 
static SimObjectfind (const char *name)
 Find the SimObject with the given name and return a pointer to it. More...
 
static void setSimObjectResolver (SimObjectResolver *resolver)
 There is a single object name resolver, and it is only set when simulation is restoring from checkpoints. More...
 
static SimObjectResolvergetSimObjectResolver ()
 There is a single object name resolver, and it is only set when simulation is restoring from checkpoints. More...
 
- Static Public Member Functions inherited from gem5::Serializable
static const std::string & currentSection ()
 Gets the fully-qualified name of the active section. More...
 
static void generateCheckpointOut (const std::string &cpt_dir, std::ofstream &outstream)
 Generate a checkpoint file so that the serialization can be routed to it. More...
 
- Protected Member Functions inherited from gem5::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 Attributes inherited from gem5::BaseInterrupts
ThreadContexttc = nullptr
 
- Protected Attributes inherited from gem5::SimObject
const SimObjectParams & _params
 Cached copy of the object parameters. More...
 
- Protected Attributes inherited from gem5::EventManager
EventQueueeventq
 A pointer to this object's event queue. More...
 

Detailed Description

Definition at line 71 of file interrupts.hh.

Member Typedef Documentation

◆ Params

using gem5::ArmISA::Interrupts::Params = ArmInterruptsParams

Definition at line 78 of file interrupts.hh.

Member Enumeration Documentation

◆ InterruptMask

Enumerator
INT_MASK_M 
INT_MASK_T 
INT_MASK_P 

Definition at line 124 of file interrupts.hh.

Constructor & Destructor Documentation

◆ Interrupts()

gem5::ArmISA::Interrupts::Interrupts ( const Params p)
inline

Definition at line 80 of file interrupts.hh.

References clearAll().

Member Function Documentation

◆ checkInterrupts()

bool gem5::ArmISA::Interrupts::checkInterrupts ( ) const
inlineoverridevirtual

◆ checkRaw()

bool gem5::ArmISA::Interrupts::checkRaw ( InterruptTypes  interrupt) const
inline

Check the state of a particular interrupt, ignoring CPSR masks.

This method is primarily used when running the target CPU in a hardware VM (e.g., KVM) to check if interrupts should be delivered upon guest entry.

Parameters
interruptInterrupt type to check the state of.
Returns
true if the interrupt is asserted, false otherwise.

Definition at line 226 of file interrupts.hh.

References interrupts, gem5::ArmISA::NumInterruptTypes, and panic.

Referenced by gem5::ArmKvmCPU::kvmRun().

◆ checkWfiWake()

bool gem5::ArmISA::Interrupts::checkWfiWake ( HCR  hcr,
CPSR  cpsr,
SCR  scr 
) const
inline

This function is used to check if a wfi operation should sleep.

If there is an interrupt pending, even if it's masked, wfi doesn't sleep.

Returns
any interrupts pending

Definition at line 186 of file interrupts.hh.

References gem5::ArmISA::INT_VIRT_FIQ, gem5::ArmISA::INT_VIRT_IRQ, interrupts, intStatus, gem5::ArmISA::isSecure(), gem5::ArmISA::MODE_HYP, and gem5::BaseInterrupts::tc.

◆ clear()

void gem5::ArmISA::Interrupts::clear ( int  int_num,
int  index 
)
inlineoverridevirtual

Reimplemented from gem5::BaseInterrupts.

Definition at line 102 of file interrupts.hh.

References DPRINTF, gem5::MipsISA::index, interrupts, intStatus, gem5::ArmISA::NumInterruptTypes, and panic.

◆ clearAll()

void gem5::ArmISA::Interrupts::clearAll ( )
inlineoverridevirtual

Reimplemented from gem5::BaseInterrupts.

Definition at line 117 of file interrupts.hh.

References DPRINTF, interrupts, and intStatus.

Referenced by Interrupts().

◆ getInterrupt()

Fault gem5::ArmISA::Interrupts::getInterrupt ( )
inlineoverridevirtual

◆ getISR()

uint32_t gem5::ArmISA::Interrupts::getISR ( HCR  hcr,
CPSR  cpsr,
SCR  scr 
)
inline

◆ post()

void gem5::ArmISA::Interrupts::post ( int  int_num,
int  index 
)
inlineoverridevirtual

Reimplemented from gem5::BaseInterrupts.

Definition at line 87 of file interrupts.hh.

References DPRINTF, gem5::MipsISA::index, interrupts, intStatus, gem5::ArmISA::NumInterruptTypes, and panic.

◆ serialize()

void gem5::ArmISA::Interrupts::serialize ( CheckpointOut cp) const
inlineoverridevirtual

Serialize an object.

Output an object's state into the current checkpoint section.

Parameters
cpCheckpoint state

Implements gem5::Serializable.

Definition at line 292 of file interrupts.hh.

References interrupts, intStatus, gem5::ArmISA::NumInterruptTypes, SERIALIZE_ARRAY, and SERIALIZE_SCALAR.

◆ takeInt()

bool gem5::ArmISA::Interrupts::takeInt ( InterruptTypes  int_type) const

◆ unserialize()

void gem5::ArmISA::Interrupts::unserialize ( CheckpointIn cp)
inlineoverridevirtual

Unserialize an object.

Read an object's state from the current checkpoint section.

Parameters
cpCheckpoint state

Implements gem5::Serializable.

Definition at line 299 of file interrupts.hh.

References interrupts, intStatus, gem5::ArmISA::NumInterruptTypes, UNSERIALIZE_ARRAY, and UNSERIALIZE_SCALAR.

◆ updateIntrInfo()

void gem5::ArmISA::Interrupts::updateIntrInfo ( )
inlineoverridevirtual

Implements gem5::BaseInterrupts.

Definition at line 289 of file interrupts.hh.

Member Data Documentation

◆ interrupts

bool gem5::ArmISA::Interrupts::interrupts[NumInterruptTypes]
private

◆ intStatus

uint64_t gem5::ArmISA::Interrupts::intStatus
private

Definition at line 75 of file interrupts.hh.

Referenced by checkInterrupts(), checkWfiWake(), clear(), clearAll(), post(), serialize(), and unserialize().


The documentation for this class was generated from the following files:

Generated on Wed Dec 21 2022 10:23:35 for gem5 by doxygen 1.9.1