gem5: gem5::SMMUTLB Class Reference

gem5 v22.1.0.0

#include <smmu_v3_caches.hh>

Inheritance diagram for gem5::SMMUTLB:

Classes
struct	Entry

Public Types
enum	AllocPolicy { ALLOC_ANY_WAY , ALLOC_ANY_BUT_LAST_WAY , ALLOC_LAST_WAY }

Public Member Functions
	SMMUTLB (unsigned numEntries, unsigned _associativity, const std::string &policy, statistics::Group *parent, const std::string &name)

	SMMUTLB (const SMMUTLB &tlb)=delete

virtual	~SMMUTLB ()

const Entry *	lookup (uint32_t sid, uint32_t ssid, Addr va, bool updStats=true)

const Entry *	lookupAnyVA (uint32_t sid, uint32_t ssid, bool updStats=true)

void	store (const Entry &incoming, AllocPolicy alloc)

void	invalidateSSID (uint32_t sid, uint32_t ssid)

void	invalidateSID (uint32_t sid)

void	invalidateVA (Addr va, uint16_t asid, uint16_t vmid)

void	invalidateVAA (Addr va, uint16_t vmid)

void	invalidateASID (uint16_t asid, uint16_t vmid)

void	invalidateVMID (uint16_t vmid)

void	invalidateAll ()

Public Member Functions inherited from gem5::SMMUv3BaseCache
	SMMUv3BaseCache (const std::string &policy_name, uint32_t seed, statistics::Group *parent, const std::string &name)

virtual	~SMMUv3BaseCache ()

Private Types
typedef std::vector< Entry >	Set

Private Member Functions
size_t	pickSetIdx (uint32_t sid, uint32_t ssid) const

size_t	pickSetIdx (Addr va) const

size_t	pickEntryIdxToReplace (const Set &set, AllocPolicy alloc)

Private Attributes
std::vector< Set >	sets

size_t	associativity

Additional Inherited Members
Static Protected Member Functions inherited from gem5::SMMUv3BaseCache
static int	decodePolicyName (const std::string &policy_name)

Protected Attributes inherited from gem5::SMMUv3BaseCache
int	replacementPolicy

size_t	nextToReplace

Random	random

uint32_t	useStamp

gem5::SMMUv3BaseCache::SMMUv3BaseCacheStats	baseCacheStats

Detailed Description

Definition at line 99 of file smmu_v3_caches.hh.

Member Typedef Documentation

◆ Set

typedef std::vector<Entry> gem5::SMMUTLB::Set

private

Definition at line 151 of file smmu_v3_caches.hh.

Member Enumeration Documentation

◆ AllocPolicy

enum gem5::SMMUTLB::AllocPolicy

Enumerator
ALLOC_ANY_WAY
ALLOC_ANY_BUT_LAST_WAY
ALLOC_LAST_WAY

Definition at line 102 of file smmu_v3_caches.hh.

Constructor & Destructor Documentation

◆ SMMUTLB() [1/2]

gem5::SMMUTLB::SMMUTLB	(	unsigned	numEntries,
		unsigned	_associativity,
		const std::string &	policy,
		statistics::Group *	parent,
		const std::string &	name
	)

Definition at line 153 of file smmu_v3_caches.cc.

References associativity, gem5::ArmISA::e, fatal, gem5::ArmISA::set, and sets.

◆ SMMUTLB() [2/2]

gem5::SMMUTLB::SMMUTLB ( const SMMUTLB & tlb )

delete

◆ ~SMMUTLB()

virtual gem5::SMMUTLB::~SMMUTLB ( )

inlinevirtual

Definition at line 134 of file smmu_v3_caches.hh.

Member Function Documentation

◆ invalidateAll()

void gem5::SMMUTLB::invalidateAll ( )

Definition at line 353 of file smmu_v3_caches.cc.

References gem5::ArmISA::i, gem5::VegaISA::s, gem5::ArmISA::set, and sets.

◆ invalidateASID()

void gem5::SMMUTLB::invalidateASID	(	uint16_t	asid,
		uint16_t	vmid
	)

Definition at line 323 of file smmu_v3_caches.cc.

References gem5::ArmISA::asid, gem5::ArmISA::e, gem5::ArmISA::i, gem5::VegaISA::s, gem5::ArmISA::set, and sets.

◆ invalidateSID()

void gem5::SMMUTLB::invalidateSID ( uint32_t sid )

Definition at line 279 of file smmu_v3_caches.cc.

References gem5::ArmISA::e, gem5::ArmISA::i, gem5::VegaISA::s, gem5::ArmISA::set, and sets.

◆ invalidateSSID()

void gem5::SMMUTLB::invalidateSSID	(	uint32_t	sid,
		uint32_t	ssid
	)

Definition at line 266 of file smmu_v3_caches.cc.

References gem5::ArmISA::e, gem5::ArmISA::i, pickSetIdx(), gem5::ArmISA::set, and sets.

◆ invalidateVA()

void gem5::SMMUTLB::invalidateVA	(	Addr	va,
		uint16_t	asid,
		uint16_t	vmid
	)

Definition at line 294 of file smmu_v3_caches.cc.

References gem5::ArmISA::asid, gem5::ArmISA::e, gem5::ArmISA::i, pickSetIdx(), gem5::ArmISA::set, sets, and gem5::ArmISA::va.

◆ invalidateVAA()

void gem5::SMMUTLB::invalidateVAA	(	Addr	va,
		uint16_t	vmid
	)

Definition at line 310 of file smmu_v3_caches.cc.

References gem5::ArmISA::e, gem5::ArmISA::i, pickSetIdx(), gem5::ArmISA::set, sets, and gem5::ArmISA::va.

◆ invalidateVMID()

void gem5::SMMUTLB::invalidateVMID ( uint16_t vmid )

Definition at line 338 of file smmu_v3_caches.cc.

References gem5::ArmISA::e, gem5::ArmISA::i, gem5::VegaISA::s, gem5::ArmISA::set, and sets.

◆ lookup()

const SMMUTLB::Entry * gem5::SMMUTLB::lookup	(	uint32_t	sid,
		uint32_t	ssid,
		Addr	va,
		bool	updStats = `true`
	)

Definition at line 184 of file smmu_v3_caches.cc.

References gem5::SMMUv3BaseCache::baseCacheStats, gem5::ArmISA::e, gem5::ArmISA::i, gem5::SMMUTLB::Entry::lastUsed, panic, pickSetIdx(), gem5::ArmISA::set, sets, gem5::SMMUv3BaseCache::SMMUv3BaseCacheStats::totalLookups, gem5::SMMUv3BaseCache::SMMUv3BaseCacheStats::totalMisses, gem5::SMMUv3BaseCache::useStamp, and gem5::ArmISA::va.

Referenced by gem5::SMMUTranslationProcess::ifcTLBLookup(), gem5::SMMUTranslationProcess::microTLBLookup(), and store().

◆ lookupAnyVA()

const SMMUTLB::Entry * gem5::SMMUTLB::lookupAnyVA	(	uint32_t	sid,
		uint32_t	ssid,
		bool	updStats = `true`
	)

Definition at line 218 of file smmu_v3_caches.cc.

References gem5::SMMUv3BaseCache::baseCacheStats, gem5::ArmISA::e, gem5::ArmISA::i, gem5::VegaISA::s, gem5::ArmISA::set, sets, gem5::SMMUv3BaseCache::SMMUv3BaseCacheStats::totalLookups, and gem5::SMMUv3BaseCache::SMMUv3BaseCacheStats::totalMisses.

◆ pickEntryIdxToReplace()

size_t gem5::SMMUTLB::pickEntryIdxToReplace	(	const Set &	set,
		AllocPolicy	alloc
	)

private

Definition at line 376 of file smmu_v3_caches.cc.

References ALLOC_ANY_BUT_LAST_WAY, ALLOC_ANY_WAY, ALLOC_LAST_WAY, associativity, gem5::SMMUv3BaseCache::baseCacheStats, gem5::ArmISA::i, gem5::SMMUv3BaseCache::SMMUv3BaseCacheStats::insertions, gem5::SMMUv3BaseCache::nextToReplace, panic, gem5::Random::random(), gem5::SMMUv3BaseCache::random, gem5::SMMUv3BaseCache::replacementPolicy, gem5::ArmISA::set, gem5::SMMU_CACHE_REPL_LRU, gem5::SMMU_CACHE_REPL_RANDOM, and gem5::SMMU_CACHE_REPL_ROUND_ROBIN.

Referenced by store().

◆ pickSetIdx() [1/2]

size_t gem5::SMMUTLB::pickSetIdx ( Addr va ) const

private

Definition at line 364 of file smmu_v3_caches.cc.

References sets, and gem5::ArmISA::va.

◆ pickSetIdx() [2/2]

size_t gem5::SMMUTLB::pickSetIdx	(	uint32_t	sid,
		uint32_t	ssid
	)		const

private

Definition at line 370 of file smmu_v3_caches.cc.

References sets.

Referenced by invalidateSSID(), invalidateVA(), invalidateVAA(), lookup(), and store().

◆ store()

void gem5::SMMUTLB::store	(	const Entry &	incoming,
		AllocPolicy	alloc
	)

Definition at line 245 of file smmu_v3_caches.cc.

References gem5::SMMUv3BaseCache::baseCacheStats, gem5::SMMUTLB::Entry::lastUsed, lookup(), panic, pickEntryIdxToReplace(), pickSetIdx(), gem5::ArmISA::set, sets, gem5::SMMUTLB::Entry::sid, gem5::SMMUTLB::Entry::ssid, gem5::SMMUv3BaseCache::SMMUv3BaseCacheStats::totalUpdates, gem5::SMMUTLB::Entry::va, and gem5::SMMUTLB::Entry::valid.

Referenced by gem5::SMMUTranslationProcess::ifcTLBUpdate(), and gem5::SMMUTranslationProcess::microTLBUpdate().

Member Data Documentation

◆ associativity

size_t gem5::SMMUTLB::associativity

private

Definition at line 154 of file smmu_v3_caches.hh.

Referenced by pickEntryIdxToReplace(), and SMMUTLB().

◆ sets

std::vector<Set> gem5::SMMUTLB::sets

private

Definition at line 152 of file smmu_v3_caches.hh.

Referenced by invalidateAll(), invalidateASID(), invalidateSID(), invalidateSSID(), invalidateVA(), invalidateVAA(), invalidateVMID(), lookup(), lookupAnyVA(), pickSetIdx(), SMMUTLB(), and store().

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

dev/arm/smmu_v3_caches.hh
dev/arm/smmu_v3_caches.cc

Generated on Wed Dec 21 2022 10:23:17 for gem5 by doxygen 1.9.1