source: trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Direction/include/Meta_Predictor.h @ 45

Last change on this file since 45 was 45, checked in by rosiere, 17 years ago
  • Documentation : specification d'un cache de donnée non bloquant
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1#ifndef morpheo_behavioural_stage_1_ifetch_predictor_meta_predictor_Meta_Predictor_h
2#define morpheo_behavioural_stage_1_ifetch_predictor_meta_predictor_Meta_Predictor_h
3
4/*
5 * $Id$
6 *
7 * [ Description ]
8 *
9 */
10
11#ifdef SYSTEMC
12#include "systemc.h"
13#endif
14
15#include <iostream>
16#include "Common/include/ToString.h"
17#include "Common/include/Debug.h"
18
19// Internal structure
20#include "Behavioural/Stage_1_Ifetch/Predictor/Meta_Predictor/Two_Level_Branch_Predictor/include/Two_Level_Branch_Predictor.h"
21#include "Behavioural/Stage_1_Ifetch/Predictor/Meta_Predictor/Meta_Predictor_Glue/include/Meta_Predictor_Glue.h"
22
23#include "Behavioural/Stage_1_Ifetch/Predictor/Meta_Predictor/include/Parameters.h"
24#include "Behavioural/Stage_1_Ifetch/Predictor/Meta_Predictor/include/Types.h"
25#ifdef STATISTICS
26#include "Behavioural/Stage_1_Ifetch/Predictor/Meta_Predictor/include/Statistics.h"
27#endif
28#ifdef VHDL
29#include "Behavioural/include/Vhdl.h"
30#endif
31#include "Behavioural/include/Component.h"
32
33using namespace std;
34
35namespace morpheo {
36namespace behavioural {
37namespace stage_1_ifetch {
38namespace predictor {
39namespace meta_predictor {
40
41
42  class Meta_Predictor
43#if SYSTEMC
44    : public sc_module
45#endif
46  {
47    // -----[ fields ]----------------------------------------------------
48    // Parameters
49  protected : const string     _name;
50
51  protected : const Parameters _param;
52#ifdef STATISTICS
53  protected : const morpheo::behavioural::Parameters_Statistics _param_statistics;
54#endif
55
56#ifdef STATISTICS
57  private   : Statistics                     * _stat;
58#endif
59
60  public    : Component                      * _component;
61  private   : Interfaces                     * _interfaces;
62
63#ifdef SYSTEMC
64    // ~~~~~[ Interface ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
65    // Interface
66  public    : SC_CLOCK                      *  in_CLOCK        ;
67  public    : SC_IN (Tcontrol_t)            *  in_NRESET       ;
68
69    // Interface Predict
70  public    : SC_IN (Tcontrol_t)           **  in_PREDICT_VAL                ;
71  public    : SC_OUT(Tcontrol_t)           ** out_PREDICT_ACK                ;
72  public    : SC_IN (Taddress_t)           **  in_PREDICT_ADDRESS            ;
73  public    : SC_OUT(Thistory_t)           ** out_PREDICT_HISTORY            ;
74  public    : SC_OUT(Tcontrol_t)           ** out_PREDICT_DIRECTION          ;
75                       
76    // Interface Branch_complete
77  public    : SC_IN (Tcontrol_t)           **  in_BRANCH_COMPLETE_VAL        ;
78  public    : SC_OUT(Tcontrol_t)           ** out_BRANCH_COMPLETE_ACK        ;
79  public    : SC_IN (Taddress_t)           **  in_BRANCH_COMPLETE_ADDRESS    ;
80  public    : SC_IN (Thistory_t)           **  in_BRANCH_COMPLETE_HISTORY    ;
81  public    : SC_IN (Tcontrol_t)           **  in_BRANCH_COMPLETE_DIRECTION  ;
82
83    // ~~~~~[ Component ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~   
84  public    : morpheo::behavioural::stage_1_ifetch::predictor::meta_predictor::two_level_branch_predictor::Two_Level_Branch_Predictor * component_Two_Level_Branch_Predictor_0;
85  public    : morpheo::behavioural::stage_1_ifetch::predictor::meta_predictor::two_level_branch_predictor::Two_Level_Branch_Predictor * component_Two_Level_Branch_Predictor_1;
86  public    : morpheo::behavioural::stage_1_ifetch::predictor::meta_predictor::two_level_branch_predictor::Two_Level_Branch_Predictor * component_Two_Level_Branch_Predictor_2;
87  public    : morpheo::behavioural::stage_1_ifetch::predictor::meta_predictor::meta_predictor_glue::Meta_Predictor_Glue               * component_Meta_Predictor_Glue         ;
88
89    // ~~~~~[ Register ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~   
90
91    // ~~~~~[ Internal ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
92
93    // Interface Predict
94  private   : SC_SIGNAL(Tcontrol_t)        ** signal_PREDICT_PREDICTOR_0_ACK ;
95  private   : SC_SIGNAL(Tcontrol_t)        ** signal_PREDICT_PREDICTOR_1_ACK ;
96  private   : SC_SIGNAL(Tcontrol_t)        ** signal_PREDICT_PREDICTOR_2_ACK ;
97
98  private   : SC_SIGNAL(morpheo::behavioural::stage_1_ifetch::predictor::meta_predictor::two_level_branch_predictor::Tbht_history_t) ** signal_PREDICT_PREDICTOR_0_BHT_HISTORY;
99  private   : SC_SIGNAL(morpheo::behavioural::stage_1_ifetch::predictor::meta_predictor::two_level_branch_predictor::Tpht_history_t) ** signal_PREDICT_PREDICTOR_0_PHT_HISTORY;
100  private   : SC_SIGNAL(morpheo::behavioural::stage_1_ifetch::predictor::meta_predictor::two_level_branch_predictor::Tbht_history_t) ** signal_PREDICT_PREDICTOR_1_BHT_HISTORY;
101  private   : SC_SIGNAL(morpheo::behavioural::stage_1_ifetch::predictor::meta_predictor::two_level_branch_predictor::Tpht_history_t) ** signal_PREDICT_PREDICTOR_1_PHT_HISTORY;
102  private   : SC_SIGNAL(morpheo::behavioural::stage_1_ifetch::predictor::meta_predictor::two_level_branch_predictor::Tbht_history_t) ** signal_PREDICT_PREDICTOR_2_BHT_HISTORY;
103  private   : SC_SIGNAL(morpheo::behavioural::stage_1_ifetch::predictor::meta_predictor::two_level_branch_predictor::Tpht_history_t) ** signal_PREDICT_PREDICTOR_2_PHT_HISTORY;
104
105
106  private   : SC_SIGNAL(Tcontrol_t)        ** signal_BRANCH_COMPLETE_PREDICTOR_0_ACK ;
107  private   : SC_SIGNAL(Tcontrol_t)        ** signal_BRANCH_COMPLETE_PREDICTOR_1_ACK ;
108  private   : SC_SIGNAL(Tcontrol_t)        ** signal_BRANCH_COMPLETE_PREDICTOR_2_VAL ;
109  private   : SC_SIGNAL(Tcontrol_t)        ** signal_BRANCH_COMPLETE_PREDICTOR_2_ACK ;
110  private   : SC_SIGNAL(Tcontrol_t)        ** signal_BRANCH_COMPLETE_PREDICTOR_2_DIRECTION;
111
112  private   : SC_SIGNAL(morpheo::behavioural::stage_1_ifetch::predictor::meta_predictor::two_level_branch_predictor::Tbht_history_t) ** signal_BRANCH_COMPLETE_PREDICTOR_0_BHT_HISTORY;
113  private   : SC_SIGNAL(morpheo::behavioural::stage_1_ifetch::predictor::meta_predictor::two_level_branch_predictor::Tpht_history_t) ** signal_BRANCH_COMPLETE_PREDICTOR_0_PHT_HISTORY;
114  private   : SC_SIGNAL(morpheo::behavioural::stage_1_ifetch::predictor::meta_predictor::two_level_branch_predictor::Tbht_history_t) ** signal_BRANCH_COMPLETE_PREDICTOR_1_BHT_HISTORY;
115  private   : SC_SIGNAL(morpheo::behavioural::stage_1_ifetch::predictor::meta_predictor::two_level_branch_predictor::Tpht_history_t) ** signal_BRANCH_COMPLETE_PREDICTOR_1_PHT_HISTORY;
116  private   : SC_SIGNAL(morpheo::behavioural::stage_1_ifetch::predictor::meta_predictor::two_level_branch_predictor::Tbht_history_t) ** signal_BRANCH_COMPLETE_PREDICTOR_2_BHT_HISTORY;
117  private   : SC_SIGNAL(morpheo::behavioural::stage_1_ifetch::predictor::meta_predictor::two_level_branch_predictor::Tpht_history_t) ** signal_BRANCH_COMPLETE_PREDICTOR_2_PHT_HISTORY;
118
119#endif
120
121    // -----[ methods ]---------------------------------------------------
122
123#ifdef SYSTEMC
124    SC_HAS_PROCESS (Meta_Predictor);
125#endif
126  public  :          Meta_Predictor              (
127#ifdef SYSTEMC
128                                              sc_module_name                              name,
129#else                                         
130                                              string                                      name,
131#endif                                         
132#ifdef STATISTICS
133                                              morpheo::behavioural::Parameters_Statistics param_statistics,
134#endif
135                                              Parameters                                  param );
136                                               
137  public  :          Meta_Predictor              (Parameters param );
138  public  :          ~Meta_Predictor             (void);
139                                               
140#ifdef SYSTEMC                                 
141  private : void     allocation                (void);
142  private : void     deallocation              (void);
143                               
144#if defined(STATISTICS) or defined(VHDL_TESTBENCH)
145  public  : void     transition                (void);
146#endif
147#endif                                         
148#ifdef STATISTICS
149  public  : string   statistics                (uint32_t depth);
150#endif
151                                               
152#if VHDL                                       
153  public  : void     vhdl                      (void);
154  private : void     vhdl_declaration          (Vhdl * & vhdl);
155  private : void     vhdl_body                 (Vhdl * & vhdl);
156#endif                                         
157#ifdef VHDL_TESTBENCH                         
158  private : void     vhdl_testbench_transition (void);
159#endif
160  };
161
162}; // end namespace meta_predictor
163}; // end namespace predictor
164}; // end namespace stage_1_ifetch
165
166}; // end namespace behavioural
167}; // end namespace morpheo             
168
169#endif
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