source: trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Branch_Target_Buffer/Branch_Target_Buffer_Register/src/Branch_Target_Buffer_Register.cpp @ 123

Last change on this file since 123 was 123, checked in by rosiere, 15 years ago

1) Fix performance
2) add auto generation to SPECINT2000
3) add reset in genMoore and genMealy
  • Property svn:keywords set to Id
File size: 7.4 KB
Line 
1/*
2 * $Id: Branch_Target_Buffer_Register.cpp 123 2009-06-08 20:43:30Z rosiere $
3 *
4 * [ Description ]
5 *
6 */
7
8#include "Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Branch_Target_Buffer/Branch_Target_Buffer_Register/include/Branch_Target_Buffer_Register.h"
9
10namespace morpheo {
11namespace behavioural {
12namespace core {
13namespace multi_front_end {
14namespace front_end {
15namespace prediction_unit {
16namespace branch_target_buffer {
17namespace branch_target_buffer_register {
18
19#undef  FUNCTION
20#define FUNCTION "Branch_Target_Buffer_Register::Branch_Target_Buffer_Register"
21  Branch_Target_Buffer_Register::Branch_Target_Buffer_Register
22  (
23#ifdef SYSTEMC
24   sc_module_name name,
25#else
26   string name,
27#endif
28#ifdef STATISTICS
29   morpheo::behavioural::Parameters_Statistics * param_statistics,
30#endif
31   morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::branch_target_buffer::branch_target_buffer_register::Parameters * param,
32   morpheo::behavioural::Tusage_t usage
33   ):
34    _name  (name)
35   ,_param (param)
36   ,_usage (usage)
37  {
38    log_printf(FUNC,Branch_Target_Buffer_Register,FUNCTION,"Begin");
39
40// #if DEBUG_Branch_Target_Buffer_Register == true
41//     log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,_("<%s> Parameters"),_name.c_str());
42
43//     std::cout << *param << std::endl;
44// #endif   
45
46    log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Allocation");
47
48    allocation (
49#ifdef STATISTICS
50                param_statistics
51#endif
52                );
53
54#ifdef STATISTICS
55    if (usage_is_set(_usage,USE_STATISTICS))
56      { 
57        log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Allocation of statistics");
58
59        statistics_allocation(param_statistics);
60      }
61#endif
62
63#ifdef VHDL
64    if (usage_is_set(_usage,USE_VHDL))
65      {
66        // generate the vhdl
67        log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Generate the vhdl");
68       
69        vhdl();
70      }
71#endif
72
73#ifdef SYSTEMC
74    if (usage_is_set(_usage,USE_SYSTEMC))
75      {
76        // Constant
77        for (uint32_t i=0; i<_param->_nb_inst_predict; i++)
78          {
79            PORT_WRITE(out_PREDICT_ACK [i],1);
80          }
81        for (uint32_t i=0; i<_param->_nb_inst_decod; i++)
82          {
83            internal_DECOD_ACK [i] = 1;
84            PORT_WRITE(out_DECOD_ACK [i], internal_DECOD_ACK [i]);
85          }
86        for (uint32_t i=0; i<_param->_nb_inst_update; i++)
87          {
88            internal_UPDATE_ACK [i] = 1;
89            PORT_WRITE(out_UPDATE_ACK [i], internal_UPDATE_ACK [i]);
90          }
91
92        log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Method - transition");
93
94        SC_METHOD (transition);
95        dont_initialize ();
96        sensitive << (*(in_CLOCK)).pos();
97       
98# ifdef SYSTEMCASS_SPECIFIC
99        // List dependency information
100# endif   
101
102        log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Method - genMealy_predict");
103
104        SC_METHOD (genMealy_predict);
105        dont_initialize ();
106        sensitive << (*(in_CLOCK)).neg(); // use internal register
107        for (uint32_t i=0; i<_param->_nb_inst_predict; i++)
108          {
109//          sensitive << (*(in_PREDICT_VAL        [i]))
110            sensitive << (*(in_PREDICT_ADDRESS    [i]));
111            if (_param->_have_port_context_id)
112            sensitive << (*(in_PREDICT_CONTEXT_ID [i]));
113          }
114
115// # ifdef SYSTEMCASS_SPECIFIC
116//      // List dependency information
117//      for (uint32_t i=0; i<_param->_nb_inst_predict; i++)
118//        for (uint32_t j=0; j<_param->_associativity; j++)
119//          {
120//            (*(out_PREDICT_HIT          [i][j])) (*(in_PREDICT_ADDRESS    [i]));
121//            if (_param->_have_port_context_id)
122//            (*(out_PREDICT_HIT          [i][j])) (*(in_PREDICT_CONTEXT_ID [i]));
123
124//            (*(out_PREDICT_ADDRESS_SRC  [i][j])) (*(in_PREDICT_ADDRESS    [i]));
125//            if (_param->_have_port_context_id)
126//            (*(out_PREDICT_ADDRESS_SRC  [i][j])) (*(in_PREDICT_CONTEXT_ID [i]));
127
128//            (*(out_PREDICT_ADDRESS_DEST [i][j])) (*(in_PREDICT_ADDRESS    [i]));
129//            if (_param->_have_port_context_id)
130//            (*(out_PREDICT_ADDRESS_DEST [i][j])) (*(in_PREDICT_CONTEXT_ID [i]));
131
132//            (*(out_PREDICT_CONDITION    [i][j])) (*(in_PREDICT_ADDRESS    [i]));
133//            if (_param->_have_port_context_id)
134//            (*(out_PREDICT_CONDITION    [i][j])) (*(in_PREDICT_CONTEXT_ID [i]));
135
136//            (*(out_PREDICT_LAST_TAKE    [i][j])) (*(in_PREDICT_ADDRESS    [i]));
137//            if (_param->_have_port_context_id)
138//            (*(out_PREDICT_LAST_TAKE    [i][j])) (*(in_PREDICT_CONTEXT_ID [i]));
139
140//            (*(out_PREDICT_IS_ACCURATE  [i][j])) (*(in_PREDICT_ADDRESS    [i]));
141//            if (_param->_have_port_context_id)
142//            (*(out_PREDICT_IS_ACCURATE  [i][j])) (*(in_PREDICT_CONTEXT_ID [i]));
143//        }
144// # endif
145
146        if (_param->_have_port_victim)
147          {
148        log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Method - genMealy_decod");
149
150        SC_METHOD (genMealy_decod);
151        dont_initialize ();
152        sensitive << (*(in_CLOCK)).neg(); // use internal register
153        for (uint32_t i=0; i<_param->_nb_inst_decod; i++)
154          {
155            sensitive << (*(in_DECOD_VAL         [i]))
156                      << (*(in_DECOD_ADDRESS_SRC [i]));
157            if (_param->_have_port_context_id)
158            sensitive << (*(in_DECOD_CONTEXT_ID  [i]));
159          }
160
161// # ifdef SYSTEMCASS_SPECIFIC
162//      // List dependency information
163//      for (uint32_t i=0; i<_param->_nb_inst_decod; i++)
164//        {
165//          (*(out_DECOD_HIT [i])) (*(in_DECOD_VAL         [i]));
166//          (*(out_DECOD_HIT [i])) (*(in_DECOD_ADDRESS_SRC [i]));
167//          if (_param->_have_port_context_id)
168//          (*(out_DECOD_HIT [i])) (*(in_DECOD_CONTEXT_ID  [i]));
169
170//          (*(out_DECOD_HIT_INDEX [i])) (*(in_DECOD_VAL         [i]));
171//          (*(out_DECOD_HIT_INDEX [i])) (*(in_DECOD_ADDRESS_SRC [i]));
172//          if (_param->_have_port_context_id)
173//          (*(out_DECOD_HIT_INDEX [i])) (*(in_DECOD_CONTEXT_ID  [i]));
174//        }
175// #endif
176          }
177
178        if (_param->_have_port_victim)
179          {
180        log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Method - genMealy_update");
181
182        SC_METHOD (genMealy_update);
183        dont_initialize ();
184        sensitive << (*(in_CLOCK)).neg(); // use internal register
185        for (uint32_t i=0; i<_param->_nb_inst_update; i++)
186          {
187            sensitive << (*(in_UPDATE_VAL         [i]))
188                      << (*(in_UPDATE_ADDRESS_SRC [i]));
189            if (_param->_have_port_context_id)
190            sensitive << (*(in_UPDATE_CONTEXT_ID  [i]));
191          }
192
193// # ifdef SYSTEMCASS_SPECIFIC
194//      // List dependency information
195//      for (uint32_t i=0; i<_param->_nb_inst_update; i++)
196//        {
197//          (*(out_UPDATE_HIT [i])) (*(in_UPDATE_VAL         [i]));
198//          (*(out_UPDATE_HIT [i])) (*(in_UPDATE_ADDRESS_SRC [i]));
199//          if (_param->_have_port_context_id)
200//          (*(out_UPDATE_HIT [i])) (*(in_UPDATE_CONTEXT_ID  [i]));
201
202//          (*(out_UPDATE_HIT_INDEX [i])) (*(in_UPDATE_VAL         [i]));
203//          (*(out_UPDATE_HIT_INDEX [i])) (*(in_UPDATE_ADDRESS_SRC [i]));
204//          if (_param->_have_port_context_id)
205//          (*(out_UPDATE_HIT_INDEX [i])) (*(in_UPDATE_CONTEXT_ID  [i]));
206//        }
207// # endif
208          }
209#endif
210
211      }
212    log_printf(FUNC,Branch_Target_Buffer_Register,FUNCTION,"End");
213  };
214   
215#undef  FUNCTION
216#define FUNCTION "Branch_Target_Buffer_Register::~Branch_Target_Buffer_Register"
217  Branch_Target_Buffer_Register::~Branch_Target_Buffer_Register (void)
218  {
219    log_printf(FUNC,Branch_Target_Buffer_Register,FUNCTION,"Begin");
220
221#ifdef STATISTICS
222    if (usage_is_set(_usage,USE_STATISTICS))
223      {
224        statistics_deallocation();
225      }
226#endif
227
228    log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Deallocation");
229    deallocation ();
230    log_printf(FUNC,Branch_Target_Buffer_Register,FUNCTION,"End");
231  };
232
233}; // end namespace branch_target_buffer_register
234}; // end namespace branch_target_buffer
235}; // end namespace prediction_unit
236}; // end namespace front_end
237}; // end namespace multi_front_end
238}; // end namespace core
239}; // end namespace behavioural
240}; // end namespace morpheo
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