cpu/beta_cpu/store_set.hh

   1 #ifndef __STORE_SET_HH__
   2 #define __STORE_SET_HH__
   3
   4 #include <vector>
   5
   6 #include "arch/alpha/isa_traits.hh"
   7 #include "cpu/inst_seq.hh"
   8
   9 class StoreSet
  10 {
  11   public:
  12     typedef unsigned SSID;
  13
  14   public:
  15     StoreSet(int SSIT_size, int LFST_size);
  16
  17     void violation(Addr store_PC, Addr load_PC);
  18
  19     void insertLoad(Addr load_PC, InstSeqNum load_seq_num);
  20
  21     void insertStore(Addr store_PC, InstSeqNum store_seq_num);
  22
  23     InstSeqNum checkInst(Addr PC);
  24
  25     void issued(Addr issued_PC, InstSeqNum issued_seq_num, bool is_store);
  26
  27     void squash(InstSeqNum squashed_num);
  28
  29     void clear();
  30
  31   private:
  32     inline int calcIndex(Addr PC)
  33     { return (PC >> offset_bits) & index_mask; }
  34
  35     inline SSID calcSSID(Addr PC)
  36     { return ((PC ^ (PC >> 10)) % LFST_size); }
  37
  38     SSID *SSIT;
  39
  40     std::vector<bool> validSSIT;
  41
  42     InstSeqNum *LFST;
  43
  44     std::vector<bool> validLFST;
  45
  46     int *SSCounters;
  47
  48     int SSIT_size;
  49
  50     int LFST_size;
  51
  52     int index_mask;
  53
  54     // HACK: Hardcoded for now.
  55     int offset_bits;
  56 };
  57
  58 #endif // __STORE_SET_HH__