#include <pagetable.hh>

Inheritance diagram for gem5::ArmISA::TlbEntry:

Public Types
enum	MemoryType : std::uint8_t { MemoryType::StronglyOrdered, MemoryType::Device, MemoryType::Normal }

enum	DomainType : std::uint8_t { DomainType::NoAccess = 0, DomainType::Client, DomainType::Reserved, DomainType::Manager }

Public Member Functions
	TlbEntry (Addr _asn, Addr _vaddr, Addr _paddr, bool uncacheable, bool read_only)

	TlbEntry ()

void	updateVaddr (Addr new_vaddr)

Addr	pageStart () const

bool	match (Addr va, vmid_t _vmid, bool hyp_lookup, bool secure_lookup, ExceptionLevel target_el, bool in_host) const

bool	match (Addr va, uint16_t asn, vmid_t _vmid, bool hyp_lookup, bool secure_lookup, bool ignore_asn, ExceptionLevel target_el, bool in_host) const

bool	checkELMatch (ExceptionLevel target_el, bool in_host) const

Addr	pAddr (Addr va) const

void	updateAttributes ()

void	setAttributes (bool lpae)

std::string	print () const

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::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 Attributes
Addr	pfn

Addr	size

Addr	vpn

uint64_t	attributes

LookupLevel	lookupLevel

uint16_t	asid

vmid_t	vmid

uint8_t	N

uint8_t	innerAttrs

uint8_t	outerAttrs

uint8_t	ap

uint8_t	hap

DomainType	domain

MemoryType	mtype

bool	longDescFormat

bool	isHyp

bool	global

bool	valid

bool	ns

bool	nstid

ExceptionLevel	el

bool	nonCacheable

bool	shareable

bool	outerShareable

bool	xn

bool	pxn

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. 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...

Detailed Description

Definition at line 86 of file pagetable.hh.

Member Enumeration Documentation

◆ DomainType

enum gem5::ArmISA::TlbEntry::DomainType : std::uint8_t

strong

Enumerator
NoAccess
Client
Reserved
Manager

Definition at line 96 of file pagetable.hh.

◆ MemoryType

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

strong

Enumerator
StronglyOrdered
Device
Normal

Definition at line 89 of file pagetable.hh.

Constructor & Destructor Documentation

◆ TlbEntry() [1/2]

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

inline

Definition at line 152 of file pagetable.hh.

References warn.

◆ TlbEntry() [2/2]

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

inline

Definition at line 169 of file pagetable.hh.

Member Function Documentation

◆ checkELMatch()

bool gem5::ArmISA::TlbEntry::checkELMatch	(	ExceptionLevel	target_el,
		bool	in_host
	)		const

inline

Definition at line 225 of file pagetable.hh.

References el, gem5::ArmISA::EL0, gem5::ArmISA::EL1, gem5::ArmISA::EL2, and gem5::ArmISA::EL3.

Referenced by match().

◆ match() [1/2]

bool gem5::ArmISA::TlbEntry::match	(	Addr	va,
		uint16_t	asn,
		vmid_t	_vmid,
		bool	hyp_lookup,
		bool	secure_lookup,
		bool	ignore_asn,
		ExceptionLevel	target_el,
		bool	in_host
	)		const

inline

Definition at line 203 of file pagetable.hh.

References asid, checkELMatch(), global, isHyp, match(), N, nstid, size, gem5::ArmISA::v, gem5::ArmISA::va, valid, vmid, and vpn.

◆ match() [2/2]

bool gem5::ArmISA::TlbEntry::match	(	Addr	va,
		vmid_t	_vmid,
		bool	hyp_lookup,
		bool	secure_lookup,
		ExceptionLevel	target_el,
		bool	in_host
	)		const

inline

Definition at line 195 of file pagetable.hh.

References gem5::ArmISA::va.

Referenced by match().

◆ pAddr()

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

inline

Definition at line 243 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 189 of file pagetable.hh.

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

◆ print()

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

inline

Definition at line 298 of file pagetable.hh.

References ap, asid, gem5::csprintf(), el, global, isHyp, N, ns, nstid, pfn, size, vmid, and vpn.

◆ 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 306 of file pagetable.hh.

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

◆ setAttributes()

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

inline

Definition at line 291 of file pagetable.hh.

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

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

◆ 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 336 of file pagetable.hh.

References ap, asid, attributes, domain, global, hap, innerAttrs, isHyp, longDescFormat, lookupLevel, mtype, N, nonCacheable, ns, nstid, outerAttrs, outerShareable, gem5::paramIn(), pfn, pxn, shareable, size, 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 249 of file pagetable.hh.

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

Referenced by gem5::ArmISA::Stage2LookUp::mergeTe(), and setAttributes().