1/*
2 * Copyright (c) 2004-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

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41
42struct ltseqnum {
43 bool operator()(const InstSeqNum &lhs, const InstSeqNum &rhs) const
44 {
45 return lhs > rhs;
46 }
47};
48
49class StoreSet
50{
51 public:
52 typedef unsigned SSID;
53
54 public:
55 StoreSet() { };
56
57 StoreSet(int SSIT_size, int LFST_size);
58
59 ~StoreSet();
60
61 void init(int SSIT_size, int LFST_size);
62
63 void violation(Addr store_PC, Addr load_PC);
64
65 void insertLoad(Addr load_PC, InstSeqNum load_seq_num);
66
67 void insertStore(Addr store_PC, InstSeqNum store_seq_num,
68 unsigned tid);
69
70 InstSeqNum checkInst(Addr PC);
71
72 void issued(Addr issued_PC, InstSeqNum issued_seq_num, bool is_store);
73
74 void squash(InstSeqNum squashed_num, unsigned tid);
75
76 void clear();
77
78 private:
79 inline int calcIndex(Addr PC)
80 { return (PC >> offsetBits) & indexMask; }
81
82 inline SSID calcSSID(Addr PC)
83 { return ((PC ^ (PC >> 10)) % LFSTSize); }
84
85 std::vector<SSID> SSIT;
86
87 std::vector<bool> validSSIT;
88
89 std::vector<InstSeqNum> LFST;
90
91 std::vector<bool> validLFST;
92
93 std::map<InstSeqNum, int, ltseqnum> storeList;
94
95 typedef std::map<InstSeqNum, int, ltseqnum>::iterator SeqNumMapIt;
96
97 int SSITSize;
98
99 int LFSTSize;
100
101 int indexMask;
102
103 // HACK: Hardcoded for now.
104 int offsetBits;
105};
106
107#endif // __CPU_O3_STORE_SET_HH__