super_blk.hh

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#ifndef __MEM_CACHE_TAGS_SUPER_BLK_HH__
#define __MEM_CACHE_TAGS_SUPER_BLK_HH__

#include "mem/cache/tags/sector_blk.hh"

class SuperBlk;

class CompressionBlk : public SectorSubBlk
{
  private:
    std::size_t _size;

    Cycles _decompressionLatency;

  public:
    CompressionBlk();
    CompressionBlk(const CompressionBlk&) = delete;
    CompressionBlk& operator=(const CompressionBlk&) = delete;
    ~CompressionBlk() {};

    bool isCompressed() const;

    void setCompressed();

    void setUncompressed();

    /*
     * Get size, in bits, of this compressed block's data.
     *
     * @return The compressed size.
     */
    std::size_t getSizeBits() const;

    void setSizeBits(const std::size_t size);

    Cycles getDecompressionLatency() const;

    void setDecompressionLatency(const Cycles lat);

    std::string print() const override;
};

class SuperBlk : public SectorBlk
{
  protected:
    std::size_t blkSize;

  public:
    SuperBlk() : SectorBlk(), blkSize(0) {}
    SuperBlk(const SuperBlk&) = delete;
    SuperBlk& operator=(const SuperBlk&) = delete;
    ~SuperBlk() {};

    bool isCompressed(const CompressionBlk* ignored_blk = nullptr) const;

    bool canCoAllocate(const std::size_t compressed_size) const;

    void setBlkSize(const std::size_t blk_size);
};

#endif //__MEM_CACHE_TAGS_SUPER_BLK_HH__