gem5
v20.1.0.0
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Entry data type for the Active Generation Table (AGT) and the Pattern Sequence Table (PST) More...
Classes | |
struct | SequenceEntry |
Sequence entry data type. More... | |
Public Member Functions | |
ActiveGenerationTableEntry (int num_positions) | |
void | invalidate () override |
Invalidates the entry. More... | |
void | update (ActiveGenerationTableEntry const &e) |
Update the entry data with an entry from a generation that just ended. More... | |
void | addOffset (unsigned int offset) |
Add a new access to the sequence. More... | |
Public Member Functions inherited from TaggedEntry | |
TaggedEntry () | |
virtual | ~TaggedEntry () |
bool | isValid () const |
Consult the valid bit. More... | |
void | setValid () |
Sets the entry to valid. More... | |
Addr | getTag () const |
Obtain the entry tag. More... | |
void | setTag (Addr t) |
Sets the tag of the entry. More... | |
bool | isSecure () const |
Consult if this entry refers to a memory in the secure area. More... | |
void | setSecure (bool s) |
Sets the secure value bit. More... | |
Public Member Functions inherited from 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... | |
virtual std::string | print () const |
Prints relevant information about this entry. More... | |
Public Attributes | |
Addr | paddress |
Physical address of the spatial region. More... | |
Addr | pc |
PC that started this generation. More... | |
unsigned int | seqCounter |
Counter to keep track of the interleaving between sequences. More... | |
std::vector< SequenceEntry > | sequence |
Sequence of accesses. More... | |
Public Attributes inherited from ReplaceableEntry | |
std::shared_ptr< ReplacementData > | replacementData |
Replacement data associated to this entry. More... | |
Additional Inherited Members | |
Protected Attributes inherited from 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... | |
Entry data type for the Active Generation Table (AGT) and the Pattern Sequence Table (PST)
Definition at line 68 of file spatio_temporal_memory_streaming.hh.
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inline |
Definition at line 90 of file spatio_temporal_memory_streaming.hh.
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inline |
Add a new access to the sequence.
offset | offset in cachelines within the spatial region |
Definition at line 128 of file spatio_temporal_memory_streaming.hh.
References ArmISA::offset, seqCounter, and sequence.
Referenced by Prefetcher::STeMS::calculatePrefetch().
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inlineoverridevirtual |
Invalidates the entry.
Reimplemented from TaggedEntry.
Definition at line 97 of file spatio_temporal_memory_streaming.hh.
References TaggedEntry::invalidate(), paddress, pc, seqCounter, and sequence.
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inline |
Update the entry data with an entry from a generation that just ended.
This operation can not be done with the copy constructor, becasuse the TaggedEntry component must not be copied.
e | entry which generation has ended |
Definition at line 116 of file spatio_temporal_memory_streaming.hh.
References ArmISA::e, paddress, pc, seqCounter, and sequence.
Referenced by Prefetcher::STeMS::checkForActiveGenerationsEnd().
Addr Prefetcher::STeMS::ActiveGenerationTableEntry::paddress |
Physical address of the spatial region.
Definition at line 70 of file spatio_temporal_memory_streaming.hh.
Referenced by Prefetcher::STeMS::calculatePrefetch(), invalidate(), and update().
Addr Prefetcher::STeMS::ActiveGenerationTableEntry::pc |
PC that started this generation.
Definition at line 72 of file spatio_temporal_memory_streaming.hh.
Referenced by Prefetcher::STeMS::calculatePrefetch(), invalidate(), and update().
unsigned int Prefetcher::STeMS::ActiveGenerationTableEntry::seqCounter |
Counter to keep track of the interleaving between sequences.
Definition at line 74 of file spatio_temporal_memory_streaming.hh.
Referenced by addOffset(), invalidate(), and update().
std::vector<SequenceEntry> Prefetcher::STeMS::ActiveGenerationTableEntry::sequence |
Sequence of accesses.
Definition at line 88 of file spatio_temporal_memory_streaming.hh.
Referenced by addOffset(), invalidate(), Prefetcher::STeMS::reconstructSequence(), and update().