store_set.hh revision 1061 
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
9class StoreSet
10{
11  public:
12    typedef unsigned SSID;
13
14  public:
15    StoreSet(int SSIT_size, int LFST_size);
16
17    void violation(Addr load_PC, Addr store_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__
59