gem5  v20.1.0.0
Classes | Public Member Functions | Private Types | Private Member Functions | Private Attributes | List of all members
IPACache Class Reference

#include <smmu_v3_caches.hh>

Inheritance diagram for IPACache:


struct  Entry

Public Member Functions

 IPACache (unsigned numEntries, unsigned _associativity, const std::string &policy)
virtual ~IPACache ()
const Entrylookup (Addr ipa, uint16_t vmid, bool updStats=true)
void store (const Entry &incoming)
void invalidateIPA (Addr ipa, uint16_t vmid)
void invalidateIPAA (Addr ipa)
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< EntrySet

Private Member Functions

size_t pickSetIdx (Addr ipa, uint16_t vmid) const
size_t pickEntryIdxToReplace (const Set &set)

Private Attributes

std::vector< Setsets
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 194 of file smmu_v3_caches.hh.

Member Typedef Documentation

◆ Set

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

Definition at line 225 of file smmu_v3_caches.hh.

Constructor & Destructor Documentation

◆ IPACache()

IPACache::IPACache ( unsigned  numEntries,
unsigned  _associativity,
const std::string &  policy 

Definition at line 625 of file

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

◆ ~IPACache()

virtual IPACache::~IPACache ( )

Definition at line 214 of file smmu_v3_caches.hh.

Member Function Documentation

◆ invalidateAll()

void IPACache::invalidateAll ( )

Definition at line 751 of file

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

Referenced by SMMUv3::processCommand().

◆ invalidateIPA()

void IPACache::invalidateIPA ( Addr  ipa,
uint16_t  vmid 

Definition at line 708 of file

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

Referenced by SMMUv3::processCommand().

◆ invalidateIPAA()

void IPACache::invalidateIPAA ( Addr  ipa)

Definition at line 721 of file

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

◆ invalidateVMID()

void IPACache::invalidateVMID ( uint16_t  vmid)

Definition at line 736 of file

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

Referenced by SMMUv3::processCommand().

◆ lookup()

const IPACache::Entry * IPACache::lookup ( Addr  ipa,
uint16_t  vmid,
bool  updStats = true 

◆ pickEntryIdxToReplace()

size_t IPACache::pickEntryIdxToReplace ( const Set set)

◆ pickSetIdx()

size_t IPACache::pickSetIdx ( Addr  ipa,
uint16_t  vmid 
) const

Definition at line 762 of file

References sets, and ArmISA::va.

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

◆ store()

void IPACache::store ( const Entry incoming)

Member Data Documentation

◆ associativity

size_t IPACache::associativity

Definition at line 228 of file smmu_v3_caches.hh.

Referenced by IPACache(), and pickEntryIdxToReplace().

◆ sets

std::vector<Set> IPACache::sets

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

Generated on Wed Sep 30 2020 14:02:26 for gem5 by doxygen 1.8.17