A fully associative cache block. More...
#include <fa_lru.hh>
Inheritance diagram for gem5::FALRUBlk:
Public Member Functions | |
| FALRUBlk () | |
| std::string | print () const override |
| Pretty-print inCachesMask and other CacheBlk information. More... | |
 Public Member Functions inherited from gem5::CacheBlk | |
| CacheBlk () | |
| CacheBlk (const CacheBlk &)=delete | |
| CacheBlk & | operator= (const CacheBlk &)=delete |
| CacheBlk (const CacheBlk &&)=delete | |
| virtual CacheBlk & | operator= (CacheBlk &&other) |
| Move assignment operator. More... | |
| virtual | ~CacheBlk () |
| virtual void | invalidate () override |
| Invalidate the block and clear all state. More... | |
| void | setCoherenceBits (unsigned bits) |
| Sets the corresponding coherence bits. More... | |
| void | clearCoherenceBits (unsigned bits) |
| Clear the corresponding coherence bits. More... | |
| bool | isSet (unsigned bits) const |
| Checks the given coherence bits are set. More... | |
| bool | wasPrefetched () const |
| Check if this block was the result of a hardware prefetch, yet to be touched. More... | |
| void | clearPrefetched () |
| Clear the prefetching bit. More... | |
| void | setPrefetched () |
| Marks this blocks as a recently prefetched block. More... | |
| Tick | getWhenReady () const |
| Get tick at which block's data will be available for access. More... | |
| void | setWhenReady (const Tick tick) |
| Set tick at which block's data will be available for access. More... | |
| uint32_t | getTaskId () const |
| Get the task id associated to this block. More... | |
| uint32_t | getSrcRequestorId () const |
| Get the requestor id associated to this block. More... | |
| unsigned | getRefCount () const |
| Get the number of references to this block since insertion. More... | |
| void | increaseRefCount () |
| Get the number of references to this block since insertion. More... | |
| Tick | getAge () const |
| Get the block's age, that is, the number of ticks since its insertion. More... | |
| void | insert (const Addr tag, const bool is_secure, const int src_requestor_ID, const uint32_t task_ID) |
| Set member variables when a block insertion occurs. More... | |
| void | trackLoadLocked (PacketPtr pkt) |
| Track the fact that a local locked was issued to the block. More... | |
| void | clearLoadLocks (const RequestPtr &req) |
| Clear the any load lock that intersect the request, and is from a different context. More... | |
| bool | checkWrite (PacketPtr pkt) |
| Handle interaction of load-locked operations and stores. More... | |
| virtual void | insert (const Addr tag, const bool is_secure) |
| Insert the block by assigning it a tag and marking it valid. More... | |
| Public Member Functions inherited from gem5::TaggedEntry | |
| TaggedEntry () | |
| ~TaggedEntry ()=default | |
| virtual bool | isValid () const |
| Checks if the entry is valid. More... | |
| bool | isSecure () const |
| Check if this block holds data from the secure memory space. More... | |
| virtual Addr | getTag () const |
| Get tag associated to this block. More... | |
| virtual bool | matchTag (Addr tag, bool is_secure) const |
| Checks if the given tag information corresponds to this entry's. More... | |
| virtual void | insert (const Addr tag, const bool is_secure) |
| Insert the block by assigning it a tag and marking it valid. More... | |
| std::string | print () const override |
| Prints relevant information about this entry. More... | |
| Public Member Functions inherited from gem5::ReplaceableEntry | |
| ReplaceableEntry ()=default | |
| virtual | ~ReplaceableEntry ()=default |
| virtual void | setPosition (const uint32_t set, const uint32_t way) |
| Set both the set and way. More... | |
| uint32_t | getSet () const |
| Get set number. More... | |
| uint32_t | getWay () const |
| Get way number. More... | |
Public Attributes | |
| FALRUBlk * | prev |
| The previous block in LRU order. More... | |
| FALRUBlk * | next |
| The next block in LRU order. More... | |
| CachesMask | inCachesMask |
| A bit mask of the caches that fit this block. More... | |
| Public Attributes inherited from gem5::CacheBlk | |
| uint8_t * | data = nullptr |
| Contains a copy of the data in this block for easy access. More... | |
| Tick | whenReady = 0 |
| Which curTick() will this block be accessible. More... | |
| Public Attributes inherited from gem5::ReplaceableEntry | |
| std::shared_ptr< replacement_policy::ReplacementData > | replacementData |
| Replacement data associated to this entry. More... | |
Additional Inherited Members | |
| Public Types inherited from gem5::CacheBlk | |
| enum | CoherenceBits : unsigned { WritableBit = 0x02, ReadableBit = 0x04, DirtyBit = 0x08, AllBits = 0x0E } |
| Cache block's enum listing the supported coherence bits. More... | |
| Protected Member Functions inherited from gem5::CacheBlk | |
| void | setTaskId (const uint32_t task_id) |
| Set the task id value. More... | |
| void | setSrcRequestorId (const uint32_t id) |
| Set the source requestor id. More... | |
| void | setRefCount (const unsigned count) |
| Set the number of references to this block since insertion. More... | |
| void | setTickInserted () |
| Set the current tick as this block's insertion tick. More... | |
| Protected Member Functions inherited from gem5::TaggedEntry | |
| virtual void | setTag (Addr tag) |
| Set tag associated to this block. More... | |
| virtual void | setSecure () |
| Set secure bit. More... | |
| virtual void | setValid () |
| Set valid bit. More... | |
| Protected Attributes inherited from gem5::CacheBlk | |
| std::list< Lock > | lockList |
| List of thread contexts that have performed a load-locked (LL) on the block since the last store. More... | |
| unsigned | coherence |
| The current coherence status of this block. More... | |
| Protected Attributes inherited from gem5::ReplaceableEntry | |
| uint32_t | _set |
| Set to which this entry belongs. More... | |
| uint32_t | _way |
| Way (relative position within the set) to which this entry belongs. More... | |
Detailed Description
Constructor & Destructor Documentation
◆ FALRUBlk()
Member Function Documentation
◆ print()
|
overridevirtual |
Pretty-print inCachesMask and other CacheBlk information.
- Returns
- string with basic state information
Reimplemented from gem5::CacheBlk.
Definition at line 62 of file fa_lru.cc.
References gem5::csprintf(), inCachesMask, and gem5::CacheBlk::print().
Member Data Documentation
◆ inCachesMask
| CachesMask gem5::FALRUBlk::inCachesMask |
A bit mask of the caches that fit this block.
Definition at line 95 of file fa_lru.hh.
Referenced by gem5::FALRU::accessBlock(), gem5::FALRU::CacheTracking::check(), gem5::FALRU::CacheTracking::init(), gem5::FALRU::insertBlock(), gem5::FALRU::CacheTracking::moveBlockToHead(), gem5::FALRU::CacheTracking::moveBlockToTail(), print(), and gem5::FALRU::CacheTracking::recordAccess().
◆ next
| FALRUBlk* gem5::FALRUBlk::next |
The next block in LRU order.
Definition at line 92 of file fa_lru.hh.
Referenced by gem5::FALRU::CacheTracking::check(), gem5::FALRU::CacheTracking::init(), gem5::FALRU::CacheTracking::moveBlockToTail(), gem5::FALRU::moveToHead(), gem5::FALRU::moveToTail(), and gem5::FALRU::tagsInit().
◆ prev
| FALRUBlk* gem5::FALRUBlk::prev |
The previous block in LRU order.
Definition at line 90 of file fa_lru.hh.
Referenced by gem5::FALRU::CacheTracking::moveBlockToHead(), gem5::FALRU::moveToHead(), gem5::FALRU::moveToTail(), and gem5::FALRU::tagsInit().
The documentation for this class was generated from the following files: