source: trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Direction/Meta_Predictor/Meta_Predictor_Glue/src/Parameters.cpp @ 111

Last change on this file since 111 was 111, checked in by rosiere, 15 years ago

1) Decod_queue : multi implementation (one_fifo, multi_fifo)
2) Issue_queue : multi implementation (in_order, out_of_order)
3) Direction : Add Meta predictor
4) Context_State : re add Branch_complete, More priority to Load miss (is not speculative)
5) Return_Address_Stack : update reg_PREDICT pointer on decod miss prediction
6) UPT : Fix bug in multi event
7) Prediction_glue : in read_stack case, insert in UPT pc_next
8) Rename select : when rob have an event (need flush), read_r{a,b,c} and write_r{d,e} is set at 0

  • Property svn:keywords set to Id
File size: 3.2 KB
Line 
1/*
2 * $Id: Parameters.cpp 111 2009-02-27 18:37:40Z rosiere $
3 *
4 * [ Description ]
5 *
6 */
7
8#include "Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Direction/Meta_Predictor/Meta_Predictor_Glue/include/Parameters.h"
9#include "Behavioural/include/Allocation.h"
10#include "Common/include/BitManipulation.h"
11
12namespace morpheo {
13namespace behavioural {
14namespace core {
15namespace multi_front_end {
16namespace front_end {
17namespace prediction_unit {
18namespace direction {
19namespace meta_predictor {
20namespace meta_predictor_glue {
21
22
23#undef  FUNCTION
24#define FUNCTION "Meta_Predictor_Glue::Parameters"
25  Parameters::Parameters (uint32_t   nb_inst_predict         ,
26                          uint32_t   nb_inst_update          ,
27                          uint32_t   nb_predictor                  ,
28                          uint32_t * predictor_size_history        ,//[nb_predictor]
29                          bool     * predictor_update_on_prediction,//[nb_predictor]
30                          bool       is_toplevel             )
31  {
32    log_begin(Meta_Predictor_Glue,FUNCTION);
33
34    _nb_inst_predict                = nb_inst_predict               ;
35    _nb_inst_update                 = nb_inst_update                ;
36    _nb_predictor                   = nb_predictor                  ;
37    _predictor_size_history         = predictor_size_history        ;
38    _predictor_update_on_prediction = predictor_update_on_prediction;
39
40    _size_history = 0;
41    for (uint32_t i=0; i<_nb_predictor; ++i)
42      _size_history += _predictor_size_history [i];
43
44    test();
45
46    ALLOC1(_predictor_history_shift    ,uint32_t  ,_nb_predictor);
47    ALLOC1(_predictor_history_shift_msb,uint32_t  ,_nb_predictor);
48    ALLOC1(_predictor_history_mask     ,Thistory_t,_nb_predictor);
49
50    uint32_t shift = 0;
51    for (uint32_t i=0; i<_nb_predictor; ++i)
52      {
53        _predictor_history_shift     [i] = shift;
54        _predictor_history_shift_msb [i] = _predictor_size_history [i]-1;
55        _predictor_history_mask      [i] = gen_mask<Thistory_t>(_predictor_size_history [i]);
56
57        shift += _predictor_size_history [i];
58      }
59
60    if (is_toplevel)
61      {
62        copy();
63      }
64
65    log_end(Meta_Predictor_Glue,FUNCTION);
66  };
67 
68// #undef  FUNCTION
69// #define FUNCTION "Meta_Predictor_Glue::Parameters (copy)"
70//   Parameters::Parameters (Parameters & param)
71//   {
72//     log_begin(Meta_Predictor_Glue,FUNCTION);
73//     test();
74//     log_end(Meta_Predictor_Glue,FUNCTION);
75//   };
76
77#undef  FUNCTION
78#define FUNCTION "Meta_Predictor_Glue::~Parameters"
79  Parameters::~Parameters (void) 
80  {
81    log_begin(Meta_Predictor_Glue,FUNCTION);
82    log_end(Meta_Predictor_Glue,FUNCTION);
83  };
84
85#undef  FUNCTION
86#define FUNCTION "Meta_Predictor_Glue::copy"
87  void Parameters::copy (void) 
88  {
89    log_begin(Meta_Predictor_Glue,FUNCTION);
90
91    DELETE1(_predictor_history_mask ,_nb_predictor);
92    DELETE1(_predictor_history_shift,_nb_predictor);
93
94    log_end(Meta_Predictor_Glue,FUNCTION);
95  };
96
97}; // end namespace meta_predictor_glue
98}; // end namespace meta_predictor
99}; // end namespace direction
100}; // end namespace prediction_unit
101}; // end namespace front_end
102}; // end namespace multi_front_end
103}; // end namespace core
104
105}; // end namespace behavioural
106}; // end namespace morpheo             
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