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 @ 131

Last change on this file since 131 was 131, checked in by rosiere, 15 years ago

1) add constant method
2) test with systemc 2.2.0
  • Property svn:keywords set to Id
File size: 7.2 KB
Line 
1/*
2 * $Id: Branch_Target_Buffer_Register.cpp 131 2009-07-08 18:40:08Z 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#ifdef SYSTEMCASS_SPECIFIC
77        constant();
78#else
79        log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Method - constant");
80
81        SC_METHOD (constant);
82//      dont_initialize ();
83       
84# ifdef SYSTEMCASS_SPECIFIC
85        // List dependency information
86# endif   
87#endif
88
89        log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Method - transition");
90
91        SC_METHOD (transition);
92        dont_initialize ();
93        sensitive << (*(in_CLOCK)).pos();
94       
95# ifdef SYSTEMCASS_SPECIFIC
96        // List dependency information
97# endif   
98
99        log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Method - genMealy_predict");
100
101        SC_METHOD (genMealy_predict);
102        dont_initialize ();
103        sensitive << (*(in_CLOCK)).neg(); // use internal register
104        for (uint32_t i=0; i<_param->_nb_inst_predict; i++)
105          {
106//          sensitive << (*(in_PREDICT_VAL        [i]))
107            sensitive << (*(in_PREDICT_ADDRESS    [i]));
108            if (_param->_have_port_context_id)
109            sensitive << (*(in_PREDICT_CONTEXT_ID [i]));
110          }
111
112// # ifdef SYSTEMCASS_SPECIFIC
113//      // List dependency information
114//      for (uint32_t i=0; i<_param->_nb_inst_predict; i++)
115//        for (uint32_t j=0; j<_param->_associativity; j++)
116//          {
117//            (*(out_PREDICT_HIT          [i][j])) (*(in_PREDICT_ADDRESS    [i]));
118//            if (_param->_have_port_context_id)
119//            (*(out_PREDICT_HIT          [i][j])) (*(in_PREDICT_CONTEXT_ID [i]));
120
121//            (*(out_PREDICT_ADDRESS_SRC  [i][j])) (*(in_PREDICT_ADDRESS    [i]));
122//            if (_param->_have_port_context_id)
123//            (*(out_PREDICT_ADDRESS_SRC  [i][j])) (*(in_PREDICT_CONTEXT_ID [i]));
124
125//            (*(out_PREDICT_ADDRESS_DEST [i][j])) (*(in_PREDICT_ADDRESS    [i]));
126//            if (_param->_have_port_context_id)
127//            (*(out_PREDICT_ADDRESS_DEST [i][j])) (*(in_PREDICT_CONTEXT_ID [i]));
128
129//            (*(out_PREDICT_CONDITION    [i][j])) (*(in_PREDICT_ADDRESS    [i]));
130//            if (_param->_have_port_context_id)
131//            (*(out_PREDICT_CONDITION    [i][j])) (*(in_PREDICT_CONTEXT_ID [i]));
132
133//            (*(out_PREDICT_LAST_TAKE    [i][j])) (*(in_PREDICT_ADDRESS    [i]));
134//            if (_param->_have_port_context_id)
135//            (*(out_PREDICT_LAST_TAKE    [i][j])) (*(in_PREDICT_CONTEXT_ID [i]));
136
137//            (*(out_PREDICT_IS_ACCURATE  [i][j])) (*(in_PREDICT_ADDRESS    [i]));
138//            if (_param->_have_port_context_id)
139//            (*(out_PREDICT_IS_ACCURATE  [i][j])) (*(in_PREDICT_CONTEXT_ID [i]));
140//        }
141// # endif
142
143        if (_param->_have_port_victim)
144          {
145        log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Method - genMealy_decod");
146
147        SC_METHOD (genMealy_decod);
148        dont_initialize ();
149        sensitive << (*(in_CLOCK)).neg(); // use internal register
150        for (uint32_t i=0; i<_param->_nb_inst_decod; i++)
151          {
152            sensitive << (*(in_DECOD_VAL         [i]))
153                      << (*(in_DECOD_ADDRESS_SRC [i]));
154            if (_param->_have_port_context_id)
155            sensitive << (*(in_DECOD_CONTEXT_ID  [i]));
156          }
157
158// # ifdef SYSTEMCASS_SPECIFIC
159//      // List dependency information
160//      for (uint32_t i=0; i<_param->_nb_inst_decod; i++)
161//        {
162//          (*(out_DECOD_HIT [i])) (*(in_DECOD_VAL         [i]));
163//          (*(out_DECOD_HIT [i])) (*(in_DECOD_ADDRESS_SRC [i]));
164//          if (_param->_have_port_context_id)
165//          (*(out_DECOD_HIT [i])) (*(in_DECOD_CONTEXT_ID  [i]));
166
167//          (*(out_DECOD_HIT_INDEX [i])) (*(in_DECOD_VAL         [i]));
168//          (*(out_DECOD_HIT_INDEX [i])) (*(in_DECOD_ADDRESS_SRC [i]));
169//          if (_param->_have_port_context_id)
170//          (*(out_DECOD_HIT_INDEX [i])) (*(in_DECOD_CONTEXT_ID  [i]));
171//        }
172// #endif
173          }
174
175        if (_param->_have_port_victim)
176          {
177        log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Method - genMealy_update");
178
179        SC_METHOD (genMealy_update);
180        dont_initialize ();
181        sensitive << (*(in_CLOCK)).neg(); // use internal register
182        for (uint32_t i=0; i<_param->_nb_inst_update; i++)
183          {
184            sensitive << (*(in_UPDATE_VAL         [i]))
185                      << (*(in_UPDATE_ADDRESS_SRC [i]));
186            if (_param->_have_port_context_id)
187            sensitive << (*(in_UPDATE_CONTEXT_ID  [i]));
188          }
189
190// # ifdef SYSTEMCASS_SPECIFIC
191//      // List dependency information
192//      for (uint32_t i=0; i<_param->_nb_inst_update; i++)
193//        {
194//          (*(out_UPDATE_HIT [i])) (*(in_UPDATE_VAL         [i]));
195//          (*(out_UPDATE_HIT [i])) (*(in_UPDATE_ADDRESS_SRC [i]));
196//          if (_param->_have_port_context_id)
197//          (*(out_UPDATE_HIT [i])) (*(in_UPDATE_CONTEXT_ID  [i]));
198
199//          (*(out_UPDATE_HIT_INDEX [i])) (*(in_UPDATE_VAL         [i]));
200//          (*(out_UPDATE_HIT_INDEX [i])) (*(in_UPDATE_ADDRESS_SRC [i]));
201//          if (_param->_have_port_context_id)
202//          (*(out_UPDATE_HIT_INDEX [i])) (*(in_UPDATE_CONTEXT_ID  [i]));
203//        }
204// # endif
205          }
206#endif
207
208      }
209    log_printf(FUNC,Branch_Target_Buffer_Register,FUNCTION,"End");
210  };
211   
212#undef  FUNCTION
213#define FUNCTION "Branch_Target_Buffer_Register::~Branch_Target_Buffer_Register"
214  Branch_Target_Buffer_Register::~Branch_Target_Buffer_Register (void)
215  {
216    log_printf(FUNC,Branch_Target_Buffer_Register,FUNCTION,"Begin");
217
218#ifdef STATISTICS
219    if (usage_is_set(_usage,USE_STATISTICS))
220      {
221        statistics_deallocation();
222      }
223#endif
224
225    log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Deallocation");
226    deallocation ();
227    log_printf(FUNC,Branch_Target_Buffer_Register,FUNCTION,"End");
228  };
229
230}; // end namespace branch_target_buffer_register
231}; // end namespace branch_target_buffer
232}; // end namespace prediction_unit
233}; // end namespace front_end
234}; // end namespace multi_front_end
235}; // end namespace core
236}; // end namespace behavioural
237}; // end namespace morpheo
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