#include <isa.hh>

Inheritance diagram for gem5::BaseISA:

Public Types
typedef std::vector< const RegClass * >	RegClasses

Public Types inherited from gem5::SimObject
typedef SimObjectParams	Params

Public Member Functions
virtual PCStateBase *	newPCState (Addr new_inst_addr=0) const =0

virtual void	clear ()

virtual RegVal	readMiscRegNoEffect (RegIndex idx) const =0

virtual RegVal	readMiscReg (RegIndex idx)=0

virtual void	setMiscRegNoEffect (RegIndex idx, RegVal val)=0

virtual void	setMiscReg (RegIndex idx, RegVal val)=0

virtual void	takeOverFrom (ThreadContext new_tc, ThreadContext old_tc)

virtual void	setThreadContext (ThreadContext *_tc)

virtual uint64_t	getExecutingAsid () const

virtual bool	inUserMode () const =0

virtual void	copyRegsFrom (ThreadContext *src)=0

virtual void	resetThread ()

const RegClasses &	regClasses () const

const std::string	getIsaName () const

virtual void	handleLockedRead (const RequestPtr &req)

virtual void	handleLockedRead (ExecContext *xc, const RequestPtr &req)

virtual bool	handleLockedWrite (const RequestPtr &req, Addr cacheBlockMask)

virtual bool	handleLockedWrite (ExecContext *xc, const RequestPtr &req, Addr cacheBlockMask)

virtual void	handleLockedSnoop (PacketPtr pkt, Addr cacheBlockMask)

virtual void	handleLockedSnoop (ExecContext *xc, PacketPtr pkt, Addr cacheBlockMask)

virtual void	handleLockedSnoopHit ()

virtual void	handleLockedSnoopHit (ExecContext *xc)

virtual void	globalClearExclusive ()

virtual void	globalClearExclusive (ExecContext *xc)

void	serialize (CheckpointOut &cp) const override
	Serialize an object.

virtual int64_t	getVectorLengthInBytes () const
	This function returns the vector length of the Vector Length Agnostic extension of the ISA.

Public Member Functions inherited from gem5::SimObject
const Params &	params () 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.

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 Port &	getPort (const std::string &if_name, PortID idx=InvalidPortID)
	Get a port with a given name and index.

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.

void	serialize (CheckpointOut &cp) const override
	Serialize an object.

void	unserialize (CheckpointIn &cp) override
	Unserialize an object.

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

Protected Member Functions
	BaseISA (const SimObjectParams &p, const std::string &name)

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 Attributes
ThreadContext *	tc = nullptr

RegClasses	_regClasses

std::string	isaName

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.

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.

Detailed Description

Definition at line 58 of file isa.hh.

Member Typedef Documentation

◆ RegClasses

typedef std::vector<const RegClass *> gem5::BaseISA::RegClasses

Definition at line 61 of file isa.hh.

Constructor & Destructor Documentation

◆ BaseISA()

gem5::BaseISA::BaseISA	(	const SimObjectParams &	p,
		const std::string &	name )

inlineprotected

Definition at line 64 of file isa.hh.

Member Function Documentation

◆ clear()

virtual void gem5::BaseISA::clear ( )

inlinevirtual

Reimplemented in gem5::ArmISA::ISA, gem5::MipsISA::ISA, gem5::RiscvISA::ISA, gem5::SparcISA::ISA, and gem5::X86ISA::ISA.

Definition at line 76 of file isa.hh.

Referenced by gem5::SimpleThread::clearArchRegs(), and gem5::PowerISA::ISA::ISA().

◆ copyRegsFrom()

virtual void gem5::BaseISA::copyRegsFrom ( ThreadContext * src )

pure virtual

Implemented in gem5::ArmISA::ISA, gem5::MipsISA::ISA, gem5::PowerISA::ISA, gem5::RiscvISA::ISA, gem5::SparcISA::ISA, and gem5::X86ISA::ISA.

Referenced by gem5::ArmLinux::archClone(), gem5::PowerLinux::archClone(), gem5::RiscvLinux32::archClone(), gem5::RiscvLinux64::archClone(), gem5::SparcLinux::archClone(), gem5::X86Linux::archClone(), gem5::o3::ThreadContext::copyArchRegs(), and gem5::SimpleThread::copyArchRegs().

◆ getExecutingAsid()

virtual uint64_t gem5::BaseISA::getExecutingAsid ( ) const

inlinevirtual

Reimplemented in gem5::ArmISA::ISA, and gem5::SparcISA::ISA.

Definition at line 87 of file isa.hh.

Referenced by gem5::trace::ExeTracerRecord::traceInst().

◆ getIsaName()

const std::string gem5::BaseISA::getIsaName ( ) const

inline

Definition at line 94 of file isa.hh.

References isaName.

◆ getVectorLengthInBytes()

virtual int64_t gem5::BaseISA::getVectorLengthInBytes ( ) const

inlinevirtual

This function returns the vector length of the Vector Length Agnostic extension of the ISA.

For ARM ISA, this function returns the SVE/SVE2 vector length. For RISC-V ISA, this function returns the RVV vector length. For other ISAs, this function returns -1.

Reimplemented in gem5::ArmISA::ISA, and gem5::RiscvISA::ISA.

Definition at line 148 of file isa.hh.

Referenced by gem5::trace::ExeTracerRecord::ExeTracerRecord().