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-rw-r--r--cpu/beta_cpu/store_set.hh58
1 files changed, 58 insertions, 0 deletions
diff --git a/cpu/beta_cpu/store_set.hh b/cpu/beta_cpu/store_set.hh
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+++ b/cpu/beta_cpu/store_set.hh
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+#ifndef __STORE_SET_HH__
+#define __STORE_SET_HH__
+
+#include <vector>
+
+#include "arch/alpha/isa_traits.hh"
+#include "cpu/inst_seq.hh"
+
+class StoreSet
+{
+ public:
+ typedef unsigned SSID;
+
+ public:
+ StoreSet(int SSIT_size, int LFST_size);
+
+ void violation(Addr store_PC, Addr load_PC);
+
+ void insertLoad(Addr load_PC, InstSeqNum load_seq_num);
+
+ void insertStore(Addr store_PC, InstSeqNum store_seq_num);
+
+ InstSeqNum checkInst(Addr PC);
+
+ void issued(Addr issued_PC, InstSeqNum issued_seq_num, bool is_store);
+
+ void squash(InstSeqNum squashed_num);
+
+ void clear();
+
+ private:
+ inline int calcIndex(Addr PC)
+ { return (PC >> offset_bits) & index_mask; }
+
+ inline SSID calcSSID(Addr PC)
+ { return ((PC ^ (PC >> 10)) % LFST_size); }
+
+ SSID *SSIT;
+
+ std::vector<bool> validSSIT;
+
+ InstSeqNum *LFST;
+
+ std::vector<bool> validLFST;
+
+ int *SSCounters;
+
+ int SSIT_size;
+
+ int LFST_size;
+
+ int index_mask;
+
+ // HACK: Hardcoded for now.
+ int offset_bits;
+};
+
+#endif // __STORE_SET_HH__