gem5  v20.1.0.0
set_associative.cc
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41 
48 
50 
53 {
54 }
55 
56 uint32_t
58 {
59  return (addr >> setShift) & setMask;
60 }
61 
62 Addr
64  const
65 {
66  return (tag << tagShift) | (entry->getSet() << setShift);
67 }
68 
71 {
72  return sets[extractSet(addr)];
73 }
74 
76 SetAssociativeParams::create()
77 {
78  return new SetAssociative(this);
79 }
ReplaceableEntry
A replaceable entry is a basic entry in a 2d table-like structure that needs to have replacement func...
Definition: replaceable_entry.hh:53
BaseIndexingPolicy::setMask
const unsigned setMask
Mask out all bits that aren't part of the set index.
Definition: base.hh:84
ReplaceableEntry::getSet
uint32_t getSet() const
Get set number.
Definition: replaceable_entry.hh:94
std::vector
STL vector class.
Definition: stl.hh:37
BaseIndexingPolicy::sets
std::vector< std::vector< ReplaceableEntry * > > sets
The cache sets.
Definition: base.hh:89
set_associative.hh
replaceable_entry.hh
SetAssociative
A set associative indexing policy.
Definition: set_associative.hh:79
SetAssociative::SetAssociative
SetAssociative(const Params *p)
Construct and initialize this policy.
Definition: set_associative.cc:51
Addr
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition: types.hh:142
SetAssociative::getPossibleEntries
std::vector< ReplaceableEntry * > getPossibleEntries(const Addr addr) const override
Find all possible entries for insertion and replacement of an address.
Definition: set_associative.cc:70
BaseIndexingPolicy::setShift
const int setShift
The amount to shift the address to get the set.
Definition: base.hh:79
BaseIndexingPolicy::tagShift
const int tagShift
The amount to shift the address to get the tag.
Definition: base.hh:94
BaseIndexingPolicy::Params
BaseIndexingPolicyParams Params
Convenience typedef.
Definition: base.hh:100
SetAssociative::extractSet
virtual uint32_t extractSet(const Addr addr) const
Apply a hash function to calculate address set.
Definition: set_associative.cc:57
SetAssociative::regenerateAddr
Addr regenerateAddr(const Addr tag, const ReplaceableEntry *entry) const override
Regenerate an entry's address from its tag and assigned set and way.
Definition: set_associative.cc:63
addr
ip6_addr_t addr
Definition: inet.hh:423
BaseIndexingPolicy
A common base class for indexing table locations.
Definition: base.hh:63
MipsISA::p
Bitfield< 0 > p
Definition: pra_constants.hh:323

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