#include <pagetable.hh>

Inheritance diagram for gem5::ArmISA::TlbEntry:

Public Types
enum class	MemoryType : std::uint8_t { StronglyOrdered , Device , Normal }
using	LookupLevel = enums::ArmLookupLevel
using	KeyType = TLBTypes::KeyType
using	IndexingPolicy = TLBIndexingPolicy

Public Member Functions
	TlbEntry (Addr _asn, Addr _vaddr, Addr _paddr, bool uncacheable, bool read_only)
	TlbEntry ()
	TlbEntry (const TlbEntry &rhs)=default
TlbEntry &	operator= (TlbEntry rhs)
void	swap (TlbEntry &rhs)
void	invalidate ()
	Need for compliance with the AssociativeCache interface.
void	insert (const KeyType &key)
	Need for compliance with the AssociativeCache interface.
bool	isValid () const
	Need for compliance with the AssociativeCache interface.
void	updateVaddr (Addr new_vaddr)
Addr	pageStart () const
bool	matchAddress (const KeyType &key) const
bool	match (const KeyType &key) const
bool	checkRegime (TranslationRegime target_regime) const
Addr	pAddr (Addr va) const
void	updateAttributes ()
void	setAttributes (bool lpae)
std::string	print () const override
	Prints relevant information about this entry.
void	serialize (CheckpointOut &cp) const override
	Serialize an object.
void	unserialize (CheckpointIn &cp) override
	Unserialize an object.
Public Member Functions inherited from gem5::ReplaceableEntry
	ReplaceableEntry ()
virtual	~ReplaceableEntry ()=default
virtual void	setPosition (const uint32_t set, const uint32_t way)
	Set both the set and way.
uint32_t	getSet () const
	Get set number.
uint32_t	getWay () const
	Get way number.
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 Attributes
Addr	pfn
Addr	size
Addr	vpn
uint64_t	attributes
LookupLevel	lookupLevel
uint16_t	asid
vmid_t	vmid
GrainSize	tg
uint8_t	N
uint8_t	innerAttrs
uint8_t	outerAttrs
uint8_t	ap
uint8_t	hap
uint8_t	piindex
DomainType	domain
MemoryType	mtype
bool	longDescFormat
bool	global
bool	valid
bool	ns
SecurityState	ss
PASpace	ipaSpace
TranslationRegime	regime
TypeTLB	type
bool	partial
bool	nonCacheable
bool	shareable
bool	outerShareable
bool	xn
bool	pxn
bool	xs
Public Attributes inherited from gem5::ReplaceableEntry
std::shared_ptr< replacement_policy::ReplacementData >	replacementData
	Replacement data associated to this entry.

Additional Inherited Members
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.
Protected Attributes inherited from gem5::ReplaceableEntry
uint32_t	_set
	Set to which this entry belongs.
uint32_t	_way
	Way (relative position within the set) to which this entry belongs.

Detailed Description

Definition at line 234 of file pagetable.hh.

Member Typedef Documentation

◆ IndexingPolicy

using gem5::ArmISA::TlbEntry::IndexingPolicy = TLBIndexingPolicy

Definition at line 239 of file pagetable.hh.

◆ KeyType

using gem5::ArmISA::TlbEntry::KeyType = TLBTypes::KeyType

Definition at line 238 of file pagetable.hh.

◆ LookupLevel

using gem5::ArmISA::TlbEntry::LookupLevel = enums::ArmLookupLevel

Definition at line 237 of file pagetable.hh.

Member Enumeration Documentation

◆ MemoryType

enum class gem5::ArmISA::TlbEntry::MemoryType : std::uint8_t

strong

Enumerator
StronglyOrdered
Device
Normal

Definition at line 241 of file pagetable.hh.

Constructor & Destructor Documentation

◆ TlbEntry() [1/3]

gem5::ArmISA::TlbEntry::TlbEntry	(	Addr	_asn,
		Addr	_vaddr,
		Addr	_paddr,
		bool	uncacheable,
		bool	read_only )

inline

Definition at line 306 of file pagetable.hh.

References ap, asid, attributes, gem5::ArmISA::Client, domain, gem5::ArmISA::EL10, global, gem5::ArmISA::Grain4KB, hap, innerAttrs, ipaSpace, longDescFormat, lookupLevel, mtype, N, nonCacheable, gem5::ArmISA::NonSecure, ns, outerAttrs, outerShareable, gem5::ArmISA::PageBytes, gem5::ArmISA::PageShift, partial, pfn, piindex, pxn, regime, shareable, size, ss, StronglyOrdered, tg, type, valid, vmid, vpn, warn, xn, and xs.

Referenced by operator=(), swap(), and TlbEntry().

◆ TlbEntry() [2/3]

gem5::ArmISA::TlbEntry::TlbEntry ( )

inline

Definition at line 330 of file pagetable.hh.

References ap, asid, attributes, gem5::ArmISA::Client, domain, gem5::ArmISA::EL10, global, hap, innerAttrs, ipaSpace, longDescFormat, lookupLevel, mtype, N, nonCacheable, gem5::ArmISA::NonSecure, ns, outerAttrs, outerShareable, partial, pfn, piindex, pxn, regime, gem5::ArmISA::ReservedGrain, shareable, size, ss, StronglyOrdered, tg, type, valid, vmid, vpn, xn, and xs.

◆ TlbEntry() [3/3]

gem5::ArmISA::TlbEntry::TlbEntry ( const TlbEntry & rhs )

default

References TlbEntry().

Member Function Documentation

◆ checkRegime()

bool gem5::ArmISA::TlbEntry::checkRegime ( TranslationRegime target_regime ) const

inline

Definition at line 447 of file pagetable.hh.

References regime.

Referenced by match().

◆ insert()

void gem5::ArmISA::TlbEntry::insert ( const KeyType & key )

inline

Need for compliance with the AssociativeCache interface.

Definition at line 397 of file pagetable.hh.

◆ invalidate()

void gem5::ArmISA::TlbEntry::invalidate ( )

inline

Need for compliance with the AssociativeCache interface.

Definition at line 391 of file pagetable.hh.

References valid.

◆ isValid()

bool gem5::ArmISA::TlbEntry::isValid ( ) const

inline

Need for compliance with the AssociativeCache interface.

Definition at line 400 of file pagetable.hh.

References valid.

◆ match()

bool gem5::ArmISA::TlbEntry::match ( const KeyType & key ) const

inline

Definition at line 429 of file pagetable.hh.

References asid, gem5::ArmISA::TLBTypes::KeyType::asn, checkRegime(), global, gem5::ArmISA::TLBTypes::KeyType::ignoreAsn, match(), matchAddress(), ss, gem5::ArmISA::TLBTypes::KeyType::ss, gem5::ArmISA::TLBTypes::KeyType::targetRegime, gem5::ArmISA::useVMID(), valid, vmid, and gem5::ArmISA::TLBTypes::KeyType::vmid.

Referenced by match().

◆ matchAddress()

bool gem5::ArmISA::TlbEntry::matchAddress ( const KeyType & key ) const

inline

Definition at line 415 of file pagetable.hh.

References N, size, gem5::ArmISA::TLBTypes::KeyType::size, gem5::ArmISA::TLBTypes::KeyType::va, and vpn.

Referenced by match().

◆ operator=()

TlbEntry & gem5::ArmISA::TlbEntry::operator= ( TlbEntry rhs )

inline

Definition at line 348 of file pagetable.hh.

References swap(), and TlbEntry().

◆ pAddr()

Addr gem5::ArmISA::TlbEntry::pAddr ( Addr va ) const

inline

Definition at line 453 of file pagetable.hh.

References N, pfn, size, and gem5::ArmISA::va.

Referenced by gem5::ArmISA::TLB::lookup(), and gem5::ArmISA::Stage2LookUp::Stage2LookUp().

◆ pageStart()

Addr gem5::ArmISA::TlbEntry::pageStart ( ) const

inline

Definition at line 409 of file pagetable.hh.

References gem5::ArmISA::PageShift, and pfn.

◆ print()

std::string gem5::ArmISA::TlbEntry::print ( ) const

inlineoverridevirtual

Prints relevant information about this entry.

Returns: A string containg the contents of this entry.

Reimplemented from gem5::ReplaceableEntry.

Definition at line 508 of file pagetable.hh.

References ap, asid, gem5::csprintf(), global, N, ns, pfn, regime, gem5::ArmISA::regimeToStr(), size, ss, vmid, vpn, and xs.

◆ serialize()

void gem5::ArmISA::TlbEntry::serialize ( CheckpointOut & cp ) const

inlineoverridevirtual

Serialize an object.

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

Parameters

cp	Checkpoint state

Implements gem5::Serializable.

Definition at line 517 of file pagetable.hh.

References ap, asid, attributes, domain, global, hap, innerAttrs, longDescFormat, lookupLevel, mtype, N, nonCacheable, ns, outerAttrs, outerShareable, gem5::paramOut(), pfn, pxn, SERIALIZE_ENUM, SERIALIZE_SCALAR, shareable, size, ss, type, valid, vmid, vpn, and xn.

◆ setAttributes()

void gem5::ArmISA::TlbEntry::setAttributes ( bool lpae )

inline

Definition at line 501 of file pagetable.hh.

References attributes, gem5::ArmISA::lpae, and updateAttributes().

Referenced by gem5::ArmISA::MMU::translateMmuOff().

◆ swap()

void gem5::ArmISA::TlbEntry::swap ( TlbEntry & rhs )

inline

Definition at line 355 of file pagetable.hh.

References ap, asid, attributes, domain, global, hap, innerAttrs, longDescFormat, lookupLevel, mtype, N, nonCacheable, ns, outerAttrs, outerShareable, partial, pfn, piindex, pxn, regime, shareable, size, ss, tg, TlbEntry(), type, valid, vmid, vpn, xn, and xs.

Referenced by operator=().

◆ unserialize()

void gem5::ArmISA::TlbEntry::unserialize ( CheckpointIn & cp )

inlineoverridevirtual

Unserialize an object.

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

Parameters

cp	Checkpoint state

Implements gem5::Serializable.

Definition at line 547 of file pagetable.hh.

References ap, asid, attributes, domain, global, hap, innerAttrs, longDescFormat, lookupLevel, mtype, N, nonCacheable, ns, outerAttrs, outerShareable, gem5::paramIn(), pfn, pxn, shareable, size, ss, type, UNSERIALIZE_ENUM, UNSERIALIZE_SCALAR, valid, vmid, vpn, and xn.

◆ updateAttributes()

void gem5::ArmISA::TlbEntry::updateAttributes ( )

inline

Formatting for Physical Address Register (PAR) Only including lower bits (TLB info here) PAR (32-bit format): PA [31:12] LPAE [11] (Large Physical Address Extension) TLB info [10:1] NOS [10] (Not Outer Sharable) NS [9] (Non-Secure) – [8] (Implementation Defined) SH [7] (Sharable) Inner[6:4](Inner memory attributes) Outer[3:2](Outer memory attributes) SS [1] (SuperSection) F [0] (Fault, Fault Status in [6:1] if faulted)

Definition at line 459 of file pagetable.hh.

References attributes, innerAttrs, gem5::ArmISA::mask, ns, outerAttrs, outerShareable, and shareable.

Referenced by setAttributes().