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 @ 88

Last change on this file since 88 was 88, checked in by rosiere, 15 years ago

Almost complete design
with Test and test platform
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File size: 7.4 KB
Line 
1/*
2 * $Id: Branch_Target_Buffer_Register.cpp 88 2008-12-10 18:31:39Z 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
20#undef  FUNCTION
21#define FUNCTION "Branch_Target_Buffer_Register::Branch_Target_Buffer_Register"
22  Branch_Target_Buffer_Register::Branch_Target_Buffer_Register
23  (
24#ifdef SYSTEMC
25   sc_module_name name,
26#else
27   string name,
28#endif
29#ifdef STATISTICS
30   morpheo::behavioural::Parameters_Statistics * param_statistics,
31#endif
32   morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::branch_target_buffer::branch_target_buffer_register::Parameters * param,
33   morpheo::behavioural::Tusage_t usage
34   ):
35    _name              (name)
36    ,_param            (param)
37    ,_usage            (usage)
38  {
39    log_printf(FUNC,Branch_Target_Buffer_Register,FUNCTION,"Begin");
40
41#if DEBUG_Branch_Target_Buffer_Register == true
42    log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,_("<%s> Parameters"),_name.c_str());
43
44    std::cout << *param << std::endl;
45#endif   
46
47    log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Allocation");
48
49    allocation (
50#ifdef STATISTICS
51                param_statistics
52#endif
53                );
54
55#ifdef STATISTICS
56    if (usage_is_set(_usage,USE_STATISTICS))
57      { 
58        log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Allocation of statistics");
59
60        statistics_allocation(param_statistics);
61      }
62#endif
63
64#ifdef VHDL
65    if (usage_is_set(_usage,USE_VHDL))
66      {
67        // generate the vhdl
68        log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Generate the vhdl");
69       
70        vhdl();
71      }
72#endif
73
74#ifdef SYSTEMC
75    if (usage_is_set(_usage,USE_SYSTEMC))
76      {
77        // Constant
78        for (uint32_t i=0; i<_param->_nb_inst_predict; i++)
79          {
80            PORT_WRITE(out_PREDICT_ACK [i],1);
81          }
82        for (uint32_t i=0; i<_param->_nb_inst_decod; i++)
83          {
84            internal_DECOD_ACK [i] = 1;
85            PORT_WRITE(out_DECOD_ACK [i], internal_DECOD_ACK [i]);
86          }
87        for (uint32_t i=0; i<_param->_nb_inst_update; i++)
88          {
89            internal_UPDATE_ACK [i] = 1;
90            PORT_WRITE(out_UPDATE_ACK [i], internal_UPDATE_ACK [i]);
91          }
92
93        log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Method - transition");
94
95        SC_METHOD (transition);
96        dont_initialize ();
97        sensitive << (*(in_CLOCK)).pos();
98       
99# ifdef SYSTEMCASS_SPECIFIC
100        // List dependency information
101# endif   
102
103        log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Method - genMealy_predict");
104
105        SC_METHOD (genMealy_predict);
106        dont_initialize ();
107        sensitive << (*(in_CLOCK)).neg(); // use internal register
108        for (uint32_t i=0; i<_param->_nb_inst_predict; i++)
109          {
110//          sensitive << (*(in_PREDICT_VAL        [i]))
111            sensitive << (*(in_PREDICT_ADDRESS    [i]));
112            if (_param->_have_port_context_id)
113            sensitive << (*(in_PREDICT_CONTEXT_ID [i]));
114          }
115
116// # ifdef SYSTEMCASS_SPECIFIC
117//      // List dependency information
118//      for (uint32_t i=0; i<_param->_nb_inst_predict; i++)
119//        for (uint32_t j=0; j<_param->_associativity; j++)
120//          {
121//            (*(out_PREDICT_HIT          [i][j])) (*(in_PREDICT_ADDRESS    [i]));
122//            if (_param->_have_port_context_id)
123//            (*(out_PREDICT_HIT          [i][j])) (*(in_PREDICT_CONTEXT_ID [i]));
124
125//            (*(out_PREDICT_ADDRESS_SRC  [i][j])) (*(in_PREDICT_ADDRESS    [i]));
126//            if (_param->_have_port_context_id)
127//            (*(out_PREDICT_ADDRESS_SRC  [i][j])) (*(in_PREDICT_CONTEXT_ID [i]));
128
129//            (*(out_PREDICT_ADDRESS_DEST [i][j])) (*(in_PREDICT_ADDRESS    [i]));
130//            if (_param->_have_port_context_id)
131//            (*(out_PREDICT_ADDRESS_DEST [i][j])) (*(in_PREDICT_CONTEXT_ID [i]));
132
133//            (*(out_PREDICT_CONDITION    [i][j])) (*(in_PREDICT_ADDRESS    [i]));
134//            if (_param->_have_port_context_id)
135//            (*(out_PREDICT_CONDITION    [i][j])) (*(in_PREDICT_CONTEXT_ID [i]));
136
137//            (*(out_PREDICT_LAST_TAKE    [i][j])) (*(in_PREDICT_ADDRESS    [i]));
138//            if (_param->_have_port_context_id)
139//            (*(out_PREDICT_LAST_TAKE    [i][j])) (*(in_PREDICT_CONTEXT_ID [i]));
140
141//            (*(out_PREDICT_IS_ACCURATE  [i][j])) (*(in_PREDICT_ADDRESS    [i]));
142//            if (_param->_have_port_context_id)
143//            (*(out_PREDICT_IS_ACCURATE  [i][j])) (*(in_PREDICT_CONTEXT_ID [i]));
144//        }
145// # endif
146
147        if (_param->_have_port_victim)
148          {
149        log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Method - genMealy_decod");
150
151        SC_METHOD (genMealy_decod);
152        dont_initialize ();
153        sensitive << (*(in_CLOCK)).neg(); // use internal register
154        for (uint32_t i=0; i<_param->_nb_inst_decod; i++)
155          {
156            sensitive << (*(in_DECOD_VAL         [i]))
157                      << (*(in_DECOD_ADDRESS_SRC [i]));
158            if (_param->_have_port_context_id)
159            sensitive << (*(in_DECOD_CONTEXT_ID  [i]));
160          }
161
162# ifdef SYSTEMCASS_SPECIFIC
163        // List dependency information
164        for (uint32_t i=0; i<_param->_nb_inst_decod; i++)
165          {
166            (*(out_DECOD_HIT [i])) (*(in_DECOD_VAL         [i]));
167            (*(out_DECOD_HIT [i])) (*(in_DECOD_ADDRESS_SRC [i]));
168            if (_param->_have_port_context_id)
169            (*(out_DECOD_HIT [i])) (*(in_DECOD_CONTEXT_ID  [i]));
170
171            (*(out_DECOD_HIT_INDEX [i])) (*(in_DECOD_VAL         [i]));
172            (*(out_DECOD_HIT_INDEX [i])) (*(in_DECOD_ADDRESS_SRC [i]));
173            if (_param->_have_port_context_id)
174            (*(out_DECOD_HIT_INDEX [i])) (*(in_DECOD_CONTEXT_ID  [i]));
175          }
176          }
177#endif
178
179        if (_param->_have_port_victim)
180          {
181        log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Method - genMealy_update");
182
183        SC_METHOD (genMealy_update);
184        dont_initialize ();
185        sensitive << (*(in_CLOCK)).neg(); // use internal register
186        for (uint32_t i=0; i<_param->_nb_inst_update; i++)
187          {
188            sensitive << (*(in_UPDATE_VAL         [i]))
189                      << (*(in_UPDATE_ADDRESS_SRC [i]));
190            if (_param->_have_port_context_id)
191            sensitive << (*(in_UPDATE_CONTEXT_ID  [i]));
192          }
193
194# ifdef SYSTEMCASS_SPECIFIC
195        // List dependency information
196        for (uint32_t i=0; i<_param->_nb_inst_update; i++)
197          {
198            (*(out_UPDATE_HIT [i])) (*(in_UPDATE_VAL         [i]));
199            (*(out_UPDATE_HIT [i])) (*(in_UPDATE_ADDRESS_SRC [i]));
200            if (_param->_have_port_context_id)
201            (*(out_UPDATE_HIT [i])) (*(in_UPDATE_CONTEXT_ID  [i]));
202
203            (*(out_UPDATE_HIT_INDEX [i])) (*(in_UPDATE_VAL         [i]));
204            (*(out_UPDATE_HIT_INDEX [i])) (*(in_UPDATE_ADDRESS_SRC [i]));
205            if (_param->_have_port_context_id)
206            (*(out_UPDATE_HIT_INDEX [i])) (*(in_UPDATE_CONTEXT_ID  [i]));
207          }
208          }
209# endif
210#endif
211
212      }
213    log_printf(FUNC,Branch_Target_Buffer_Register,FUNCTION,"End");
214  };
215   
216#undef  FUNCTION
217#define FUNCTION "Branch_Target_Buffer_Register::~Branch_Target_Buffer_Register"
218  Branch_Target_Buffer_Register::~Branch_Target_Buffer_Register (void)
219  {
220    log_printf(FUNC,Branch_Target_Buffer_Register,FUNCTION,"Begin");
221
222#ifdef STATISTICS
223    if (usage_is_set(_usage,USE_STATISTICS))
224      {
225        statistics_deallocation();
226      }
227#endif
228
229    log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Deallocation");
230    deallocation ();
231
232    log_printf(FUNC,Branch_Target_Buffer_Register,FUNCTION,"End");
233  };
234
235}; // end namespace branch_target_buffer_register
236}; // end namespace branch_target_buffer
237}; // end namespace prediction_unit
238}; // end namespace front_end
239}; // end namespace multi_front_end
240}; // end namespace core
241
242}; // end namespace behavioural
243}; // end namespace morpheo             
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