gem5::ConfigCache Class Reference

#include <smmu_v3_caches.hh>

Inheritance diagram for gem5::ConfigCache:

Classes
struct	Entry

Public Member Functions
	ConfigCache (unsigned numEntries, unsigned _associativity, const std::string &policy, statistics::Group *parent)
virtual	~ConfigCache ()
const Entry *	lookup (uint32_t sid, uint32_t ssid, bool updStats=true)
void	store (const Entry &incoming)
void	invalidateSSID (uint32_t sid, uint32_t ssid)
void	invalidateSID (uint32_t sid)
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	pickEntryIdxToReplace (const Set &set)

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 245 of file smmu_v3_caches.hh.

Member Typedef Documentation

Set

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

private

Definition at line 283 of file smmu_v3_caches.hh.

Constructor & Destructor Documentation

ConfigCache()

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

Definition at line 813 of file smmu_v3_caches.cc.

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

~ConfigCache()

virtual gem5::ConfigCache::~ConfigCache ( )

inlinevirtual

Definition at line 273 of file smmu_v3_caches.hh.

Member Function Documentation

invalidateAll()

void gem5::ConfigCache::invalidateAll

(

)

Definition at line 923 of file smmu_v3_caches.cc.

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

Referenced by gem5::SMMUv3::processCommand().

invalidateSID()

void gem5::ConfigCache::invalidateSID

(

uint32_t

sid

)

Definition at line 908 of file smmu_v3_caches.cc.

References gem5::ArmISA::e, gem5::ArmISA::i, gem5::ArmISA::s, gem5::ArmISA::set, sets, and gem5::ConfigCache::Entry::valid.

Referenced by gem5::SMMUv3::processCommand().

invalidateSSID()

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

Definition at line 895 of file smmu_v3_caches.cc.

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

Referenced by gem5::SMMUv3::processCommand().

lookup()

const ConfigCache::Entry * gem5::ConfigCache::lookup	(	uint32_t	sid,
		uint32_t	ssid,
		bool	updStats = true )

Definition at line 843 of file smmu_v3_caches.cc.

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

Referenced by gem5::SMMUTranslationProcess::configCacheLookup(), and store().

pickEntryIdxToReplace()

size_t gem5::ConfigCache::pickEntryIdxToReplace ( const Set & set )

private

Definition at line 940 of file smmu_v3_caches.cc.

References 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()

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

private

Definition at line 934 of file smmu_v3_caches.cc.

References sets.

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

store()

void gem5::ConfigCache::store

(

const Entry &

incoming

)

Definition at line 875 of file smmu_v3_caches.cc.

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

Referenced by gem5::SMMUTranslationProcess::configCacheUpdate().

Member Data Documentation

associativity

size_t gem5::ConfigCache::associativity

private

Definition at line 286 of file smmu_v3_caches.hh.

Referenced by ConfigCache(), and pickEntryIdxToReplace().

sets

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

private

Definition at line 284 of file smmu_v3_caches.hh.

Referenced by ConfigCache(), invalidateAll(), invalidateSID(), invalidateSSID(), lookup(), pickSetIdx(), and store().

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

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