#include <tlb.hh>

Inheritance diagram for gem5::ArmISA::TLB::Table:

Public Member Functions
TlbEntry *	accessEntry (const KeyType &key) override
TlbEntry *	findEntry (const KeyType &key) const override
void	invalidatePrev (const TlbEntry *invalid=nullptr)
	Invalidate the last matched entry The method has an optional param, which means: invalidate cached prev only if matches the entry argument.
Public Member Functions inherited from gem5::AssociativeCache< TlbEntry >
	AssociativeCache (std::string_view name)
	Empty constructor - need to call init() later with all args.
	~AssociativeCache ()=default
	Default destructor.
AssociativeCache &	operator= (const AssociativeCache &)=delete
void	clear ()
	Clear the entries in the cache.
void	init (const size_t num_entries, const size_t associativity_, BaseReplacementPolicy _repl_policy, IndexingPolicy _indexing_policy, TlbEntry const &init_val=TlbEntry())
void	setDebugFlag (const ::gem5::debug::SimpleFlag &flag)
virtual TlbEntry *	accessEntry (const KeyType &key)
	Do an access to the entry if it exists.
virtual TlbEntry *	findEntry (const KeyType &key) const
	Find an entry within the set.
virtual TlbEntry *	findVictim (const KeyType &key)
	Find a victim to be replaced.
virtual void	invalidate (TlbEntry *entry)
	Invalidate an entry and its respective replacement data.
virtual void	insertEntry (const KeyType &key, TlbEntry *entry)
	Indicate that an entry has just been inserted.
std::vector< TlbEntry * >	getPossibleEntries (const KeyType &key) const
	Find the set of entries that could be replaced given that we want to add a new entry with the provided key.
iterator	begin ()
	Returns an iterator to the first entry of the dictionary.
iterator	end ()
	Returns an iterator pointing to the end of the the dictionary (placeholder element, should not be accessed)
Public Member Functions inherited from gem5::Named
	Named (std::string_view name_)
virtual	~Named ()=default
virtual std::string	name () const

Private Attributes
TlbEntry *	prev = nullptr
	Last matched entry.

Additional Inherited Members
Public Types inherited from gem5::AssociativeCache< TlbEntry >
using	const_iterator
	Iterator types.
using	iterator
Protected Types inherited from gem5::AssociativeCache< TlbEntry >
typedef replacement_policy::Base	BaseReplacementPolicy
typedef TlbEntry::IndexingPolicy	IndexingPolicy
typedef TlbEntry::KeyType	KeyType
Protected Attributes inherited from gem5::AssociativeCache< TlbEntry >
size_t	associativity
	Associativity of the cache.
BaseReplacementPolicy *	replPolicy
	The replacement policy of the cache.
IndexingPolicy *	indexingPolicy
	Indexing policy of the cache.
std::vector< TlbEntry >	entries
	The entries.
const ::gem5::debug::SimpleFlag *	debugFlag

Detailed Description

Definition at line 106 of file tlb.hh.

Member Function Documentation

◆ accessEntry()

TlbEntry * gem5::TLB::Table::accessEntry ( const KeyType & key )

override

Definition at line 62 of file tlb.cc.

References accessEntry(), and findEntry().

Referenced by accessEntry().

◆ findEntry()

TlbEntry * gem5::TLB::Table::findEntry ( const KeyType & key ) const

override

Definition at line 74 of file tlb.cc.

References gem5::AssociativeCache< TlbEntry >::indexingPolicy, and prev.

Referenced by accessEntry().

◆ invalidatePrev()

void gem5::TLB::Table::invalidatePrev ( const TlbEntry * invalid = nullptr )

Invalidate the last matched entry The method has an optional param, which means: invalidate cached prev only if matches the entry argument.

This is to be used for example on TLB entry invalidations

Parameters

invalid flush prev if param is nullptr, otherwise only if prev == invalid

Definition at line 95 of file tlb.cc.

References prev.

Member Data Documentation

◆ prev

TlbEntry* gem5::ArmISA::TLB::Table::prev = nullptr

mutableprivate

Last matched entry.

Definition at line 127 of file tlb.hh.

Referenced by findEntry(), and invalidatePrev().

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

arch/arm/tlb.hh
arch/arm/tlb.cc

Public Member Functions

Private Attributes