ARMArchTLB Class Reference

#include <smmu_v3_caches.hh>

Inheritance diagram for ARMArchTLB:

Classes
struct	Entry

Public Member Functions
	ARMArchTLB (unsigned numEntries, unsigned _associativity, const std::string &policy)
virtual	~ARMArchTLB ()
const Entry *	lookup (Addr va, uint16_t asid, uint16_t vmid, bool updStats=true)
void	store (const Entry &incoming)
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 SMMUv3BaseCache
	SMMUv3BaseCache (const std::string &policy_name, uint32_t seed)
virtual	~SMMUv3BaseCache ()
virtual void	regStats (const std::string &name)

Private Types
typedef std::vector< Entry >	Set

Private Member Functions
size_t	pickSetIdx (Addr va, uint16_t asid, uint16_t vmid) const
size_t	pickEntryIdxToReplace (const Set &set)

Private Attributes
std::vector< Set >	sets
size_t	associativity

Additional Inherited Members
Static Protected Member Functions inherited from SMMUv3BaseCache
static int	decodePolicyName (const std::string &policy_name)
Protected Attributes inherited from SMMUv3BaseCache
int	replacementPolicy
size_t	nextToReplace
Random	random
uint32_t	useStamp
Stats::Formula	averageLookups
Stats::Scalar	totalLookups
Stats::Formula	averageMisses
Stats::Scalar	totalMisses
Stats::Formula	averageUpdates
Stats::Scalar	totalUpdates
Stats::Formula	averageHitRate
Stats::Scalar	insertions

Detailed Description

Definition at line 150 of file smmu_v3_caches.hh.

Member Typedef Documentation

Set

typedef std::vector<Entry> ARMArchTLB::Set

private

Definition at line 185 of file smmu_v3_caches.hh.

Constructor & Destructor Documentation

ARMArchTLB()

ARMArchTLB::ARMArchTLB	(	unsigned	numEntries,
		unsigned	_associativity,
		const std::string &	policy
	)

Definition at line 426 of file smmu_v3_caches.cc.

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

~ARMArchTLB()

virtual ARMArchTLB::~ARMArchTLB ( )

inlinevirtual

Definition at line 171 of file smmu_v3_caches.hh.

Member Function Documentation

invalidateAll()

void ARMArchTLB::invalidateAll

(

)

Definition at line 571 of file smmu_v3_caches.cc.

References ArmISA::i, ArmISA::s, and sets.

Referenced by SMMUv3::processCommand().

invalidateASID()

void ARMArchTLB::invalidateASID	(	uint16_t	asid,
		uint16_t	vmid
	)

Definition at line 541 of file smmu_v3_caches.cc.

References ArmISA::asid, ArmISA::e, ArmISA::i, ArmISA::s, and sets.

Referenced by SMMUv3::processCommand().

invalidateVA()

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

Definition at line 510 of file smmu_v3_caches.cc.

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

Referenced by SMMUv3::processCommand().

invalidateVAA()

void ARMArchTLB::invalidateVAA	(	Addr	va,
		uint16_t	vmid
	)

Definition at line 526 of file smmu_v3_caches.cc.

References ArmISA::e, ArmISA::i, ArmISA::s, sets, and ArmISA::va.

Referenced by SMMUv3::processCommand().

invalidateVMID()

void ARMArchTLB::invalidateVMID

(

uint16_t

vmid

)

Definition at line 556 of file smmu_v3_caches.cc.

References ArmISA::e, ArmISA::i, ArmISA::s, and sets.

Referenced by SMMUv3::processCommand().

lookup()

const ARMArchTLB::Entry * ARMArchTLB::lookup	(	Addr	va,
		uint16_t	asid,
		uint16_t	vmid,
		bool	updStats = true
	)

Definition at line 456 of file smmu_v3_caches.cc.

References ArmISA::asid, ArmISA::e, ArmISA::i, ARMArchTLB::Entry::lastUsed, panic, pickSetIdx(), sets, SMMUv3BaseCache::totalLookups, SMMUv3BaseCache::totalMisses, SMMUv3BaseCache::useStamp, and ArmISA::va.

Referenced by SMMUTranslationProcess::smmuTLBLookup(), and store().

pickEntryIdxToReplace()

size_t ARMArchTLB::pickEntryIdxToReplace ( const Set &  set )

private

Definition at line 588 of file smmu_v3_caches.cc.

References associativity, ArmISA::i, SMMUv3BaseCache::insertions, SMMUv3BaseCache::nextToReplace, panic, SMMUv3BaseCache::random, Random::random(), SMMUv3BaseCache::replacementPolicy, SMMU_CACHE_REPL_LRU, SMMU_CACHE_REPL_RANDOM, and SMMU_CACHE_REPL_ROUND_ROBIN.

Referenced by store().

pickSetIdx()

size_t ARMArchTLB::pickSetIdx ( Addr  va, uint16_t  asid, uint16_t  vmid  ) const

private

Definition at line 582 of file smmu_v3_caches.cc.

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

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

store()

void ARMArchTLB::store

(

const Entry &

incoming

)

Definition at line 489 of file smmu_v3_caches.cc.

References ARMArchTLB::Entry::asid, ARMArchTLB::Entry::lastUsed, lookup(), panic, pickEntryIdxToReplace(), pickSetIdx(), sets, SMMUv3BaseCache::totalUpdates, ARMArchTLB::Entry::va, ARMArchTLB::Entry::valid, and ARMArchTLB::Entry::vmid.

Referenced by SMMUTranslationProcess::smmuTLBUpdate().

Member Data Documentation

associativity

size_t ARMArchTLB::associativity

private

Definition at line 188 of file smmu_v3_caches.hh.

Referenced by ARMArchTLB(), and pickEntryIdxToReplace().

sets

std::vector<Set> ARMArchTLB::sets

private

Definition at line 186 of file smmu_v3_caches.hh.

Referenced by ARMArchTLB(), invalidateAll(), invalidateASID(), invalidateVA(), invalidateVAA(), invalidateVMID(), lookup(), pickSetIdx(), 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