gem5  v20.1.0.0
base.hh
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1 
29 #ifndef __MEM_CACHE_REPLACEMENT_POLICIES_BASE_HH__
30 #define __MEM_CACHE_REPLACEMENT_POLICIES_BASE_HH__
31 
32 #include <memory>
33 
35 #include "params/BaseReplacementPolicy.hh"
36 #include "sim/sim_object.hh"
37 
42 
47 {
48  public:
52  typedef BaseReplacementPolicyParams Params;
53 
58 
63 
69  virtual void invalidate(const std::shared_ptr<ReplacementData>&
70  replacement_data) const = 0;
71 
77  virtual void touch(const std::shared_ptr<ReplacementData>&
78  replacement_data) const = 0;
79 
85  virtual void reset(const std::shared_ptr<ReplacementData>&
86  replacement_data) const = 0;
87 
94  virtual ReplaceableEntry* getVictim(
95  const ReplacementCandidates& candidates) const = 0;
96 
102  virtual std::shared_ptr<ReplacementData> instantiateEntry() = 0;
103 };
104 
105 #endif // __MEM_CACHE_REPLACEMENT_POLICIES_BASE_HH__
ReplacementCandidates
std::vector< ReplaceableEntry * > ReplacementCandidates
Copyright (c) 2018 Inria All rights reserved.
Definition: base.hh:41
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
BaseReplacementPolicy::Params
BaseReplacementPolicyParams Params
Convenience typedef.
Definition: base.hh:52
BaseReplacementPolicy::BaseReplacementPolicy
BaseReplacementPolicy(const Params *p)
Construct and initiliaze this replacement policy.
Definition: base.hh:57
BaseReplacementPolicy::invalidate
virtual void invalidate(const std::shared_ptr< ReplacementData > &replacement_data) const =0
Invalidate replacement data to set it as the next probable victim.
std::vector
STL vector class.
Definition: stl.hh:37
BaseReplacementPolicy::instantiateEntry
virtual std::shared_ptr< ReplacementData > instantiateEntry()=0
Instantiate a replacement data entry.
replaceable_entry.hh
sim_object.hh
BaseReplacementPolicy
A common base class of cache replacement policy objects.
Definition: base.hh:46
BaseReplacementPolicy::getVictim
virtual ReplaceableEntry * getVictim(const ReplacementCandidates &candidates) const =0
Find replacement victim among candidates.
BaseReplacementPolicy::~BaseReplacementPolicy
virtual ~BaseReplacementPolicy()
Destructor.
Definition: base.hh:62
BaseReplacementPolicy::touch
virtual void touch(const std::shared_ptr< ReplacementData > &replacement_data) const =0
Update replacement data.
BaseReplacementPolicy::reset
virtual void reset(const std::shared_ptr< ReplacementData > &replacement_data) const =0
Reset replacement data.
MipsISA::p
Bitfield< 0 > p
Definition: pra_constants.hh:323
SimObject
Abstract superclass for simulation objects.
Definition: sim_object.hh:92

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