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; --- 14 unchanged lines hidden (view full) --- 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Kevin Lim 29 */ 30 |
31#ifndef __CPU_O3_STORE_SET_HH__ 32#define __CPU_O3_STORE_SET_HH__ |
33 |
34#include <list> 35#include <map> 36#include <utility> |
37#include <vector> 38 39#include "arch/isa_traits.hh" 40#include "cpu/inst_seq.hh" 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__ |