gem5  v22.1.0.0
compressed_tags.hh
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28 
34 #ifndef __MEM_CACHE_TAGS_COMPRESSED_TAGS_HH__
35 #define __MEM_CACHE_TAGS_COMPRESSED_TAGS_HH__
36 
37 #include <vector>
38 
41 
42 namespace gem5
43 {
44 
45 class BaseCache;
46 class CacheBlk;
47 struct CompressedTagsParams;
48 
70 class CompressedTags : public SectorTags
71 {
72  private:
77 
78  public:
80  typedef CompressedTagsParams Params;
81 
85  CompressedTags(const Params &p);
86 
90  virtual ~CompressedTags() {};
91 
95  void tagsInit() override;
96 
107  CacheBlk* findVictim(Addr addr, const bool is_secure,
108  const std::size_t compressed_size,
109  std::vector<CacheBlk*>& evict_blks) override;
110 
119  void forEachBlk(std::function<void(CacheBlk &)> visitor) override;
120 
130  bool anyBlk(std::function<bool(CacheBlk &)> visitor) override;
131 };
132 
133 } // namespace gem5
134 
135 #endif //__MEM_CACHE_TAGS_COMPRESSED_TAGS_HH__
BaseTagsParams Params
Definition: base.hh:161
A Basic Cache block.
Definition: cache_blk.hh:71
A CompressedTags cache tag store.
void forEachBlk(std::function< void(CacheBlk &)> visitor) override
Visit each sub-block in the tags and apply a visitor.
CompressedTags(const Params &p)
Construct and initialize this tag store.
virtual ~CompressedTags()
Destructor.
CacheBlk * findVictim(Addr addr, const bool is_secure, const std::size_t compressed_size, std::vector< CacheBlk * > &evict_blks) override
Find replacement victim based on address.
void tagsInit() override
Initialize blocks as SuperBlk and CompressionBlk instances.
std::vector< CompressionBlk > blks
The cache blocks.
bool anyBlk(std::function< bool(CacheBlk &)> visitor) override
Find if any of the sub-blocks satisfies a condition.
CompressedTagsParams Params
Convenience typedef.
std::vector< SuperBlk > superBlks
The cache superblocks.
A SectorTags cache tag store.
Definition: sector_tags.hh:66
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 sector tag store.
Copyright (c) 2018 Inria All rights reserved.

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