gem5  v22.1.0.0
set_associative.cc
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41 
48 
50 
51 namespace gem5
52 {
53 
56 {
57 }
58 
59 uint32_t
61 {
62  return (addr >> setShift) & setMask;
63 }
64 
65 Addr
67  const
68 {
69  return (tag << tagShift) | (entry->getSet() << setShift);
70 }
71 
74 {
75  return sets[extractSet(addr)];
76 }
77 
78 } // namespace gem5
A common base class for indexing table locations.
Definition: base.hh:67
std::vector< std::vector< ReplaceableEntry * > > sets
The cache sets.
Definition: base.hh:92
const int setShift
The amount to shift the address to get the set.
Definition: base.hh:82
BaseIndexingPolicyParams Params
Convenience typedef.
Definition: base.hh:103
const unsigned setMask
Mask out all bits that aren't part of the set index.
Definition: base.hh:87
const int tagShift
The amount to shift the address to get the tag.
Definition: base.hh:97
A replaceable entry is a basic entry in a 2d table-like structure that needs to have replacement func...
uint32_t getSet() const
Get set number.
SetAssociative(const Params &p)
Construct and initialize this policy.
Addr regenerateAddr(const Addr tag, const ReplaceableEntry *entry) const override
Regenerate an entry's address from its tag and assigned set and way.
std::vector< ReplaceableEntry * > getPossibleEntries(const Addr addr) const override
Find all possible entries for insertion and replacement of an address.
virtual uint32_t extractSet(const Addr addr) const
Apply a hash function to calculate address set.
STL vector class.
Definition: stl.hh:37
Bitfield< 54 > p
Definition: pagetable.hh:70
Bitfield< 3 > addr
Definition: types.hh:84
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition: types.hh:147
Declaration of a set associative indexing policy.

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