1 | /* |
---|
2 | * $Id: test.cpp 88 2008-12-10 18:31:39Z rosiere $ |
---|
3 | * |
---|
4 | * [ Description ] |
---|
5 | * |
---|
6 | * Test |
---|
7 | */ |
---|
8 | |
---|
9 | #define NB_ITERATION 1024 |
---|
10 | #define CYCLE_MAX (128*NB_ITERATION) |
---|
11 | |
---|
12 | #include "Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Branch_Target_Buffer/Branch_Target_Buffer_Register/SelfTest/include/test.h" |
---|
13 | #include "Common/include/Test.h" |
---|
14 | #include "Common/include/BitManipulation.h" |
---|
15 | #include "Behavioural/include/Allocation.h" |
---|
16 | #include "Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Branch_Target_Buffer/Branch_Target_Buffer_Register/SelfTest/include/test_BTB.h" |
---|
17 | |
---|
18 | void test (string name, |
---|
19 | morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::branch_target_buffer::branch_target_buffer_register::Parameters * _param) |
---|
20 | { |
---|
21 | msg(_("<%s> : Simulation SystemC.\n"),name.c_str()); |
---|
22 | |
---|
23 | #ifdef STATISTICS |
---|
24 | morpheo::behavioural::Parameters_Statistics * _parameters_statistics = new morpheo::behavioural::Parameters_Statistics (5,50); |
---|
25 | #endif |
---|
26 | |
---|
27 | Tusage_t _usage = USE_ALL; |
---|
28 | |
---|
29 | // _usage = usage_unset(_usage,USE_SYSTEMC ); |
---|
30 | // _usage = usage_unset(_usage,USE_VHDL ); |
---|
31 | // _usage = usage_unset(_usage,USE_VHDL_TESTBENCH ); |
---|
32 | // _usage = usage_unset(_usage,USE_VHDL_TESTBENCH_ASSERT); |
---|
33 | // _usage = usage_unset(_usage,USE_POSITION ); |
---|
34 | // _usage = usage_unset(_usage,USE_STATISTICS ); |
---|
35 | // _usage = usage_unset(_usage,USE_INFORMATION ); |
---|
36 | |
---|
37 | Branch_Target_Buffer_Register * _Branch_Target_Buffer_Register = new Branch_Target_Buffer_Register |
---|
38 | (name.c_str(), |
---|
39 | #ifdef STATISTICS |
---|
40 | _parameters_statistics, |
---|
41 | #endif |
---|
42 | _param, |
---|
43 | _usage); |
---|
44 | |
---|
45 | #ifdef SYSTEMC |
---|
46 | /********************************************************************* |
---|
47 | * Déclarations des signaux |
---|
48 | *********************************************************************/ |
---|
49 | string rename; |
---|
50 | |
---|
51 | sc_clock * in_CLOCK = new sc_clock ("clock", 1.0, 0.5); |
---|
52 | sc_signal<Tcontrol_t> * in_NRESET = new sc_signal<Tcontrol_t> ("NRESET"); |
---|
53 | |
---|
54 | ALLOC1_SC_SIGNAL( in_PREDICT_VAL ," in_PREDICT_VAL ",Tcontrol_t ,_param->_nb_inst_predict); |
---|
55 | ALLOC1_SC_SIGNAL(out_PREDICT_ACK ,"out_PREDICT_ACK ",Tcontrol_t ,_param->_nb_inst_predict); |
---|
56 | ALLOC1_SC_SIGNAL( in_PREDICT_CONTEXT_ID ," in_PREDICT_CONTEXT_ID ",Tcontext_t ,_param->_nb_inst_predict); |
---|
57 | ALLOC1_SC_SIGNAL( in_PREDICT_ADDRESS ," in_PREDICT_ADDRESS ",Tgeneral_data_t ,_param->_nb_inst_predict); |
---|
58 | ALLOC2_SC_SIGNAL(out_PREDICT_HIT ,"out_PREDICT_HIT ",Tcontrol_t ,_param->_nb_inst_predict,_param->_associativity); |
---|
59 | ALLOC2_SC_SIGNAL(out_PREDICT_ADDRESS_SRC ,"out_PREDICT_ADDRESS_SRC ",Tgeneral_data_t ,_param->_nb_inst_predict,_param->_associativity); |
---|
60 | ALLOC2_SC_SIGNAL(out_PREDICT_ADDRESS_DEST ,"out_PREDICT_ADDRESS_DEST ",Tgeneral_data_t ,_param->_nb_inst_predict,_param->_associativity); |
---|
61 | ALLOC2_SC_SIGNAL(out_PREDICT_CONDITION ,"out_PREDICT_CONDITION ",Tbranch_condition_t,_param->_nb_inst_predict,_param->_associativity); |
---|
62 | ALLOC2_SC_SIGNAL(out_PREDICT_LAST_TAKE ,"out_PREDICT_LAST_TAKE ",Tcontrol_t ,_param->_nb_inst_predict,_param->_associativity); |
---|
63 | ALLOC2_SC_SIGNAL(out_PREDICT_IS_ACCURATE ,"out_PREDICT_IS_ACCURATE ",Tcontrol_t ,_param->_nb_inst_predict,_param->_associativity); |
---|
64 | ALLOC1_SC_SIGNAL( in_DECOD_VAL ," in_DECOD_VAL ",Tcontrol_t ,_param->_nb_inst_decod); |
---|
65 | ALLOC1_SC_SIGNAL(out_DECOD_ACK ,"out_DECOD_ACK ",Tcontrol_t ,_param->_nb_inst_decod); |
---|
66 | ALLOC1_SC_SIGNAL(out_DECOD_HIT ,"out_DECOD_HIT ",Tcontrol_t ,_param->_nb_inst_decod); |
---|
67 | ALLOC1_SC_SIGNAL(out_DECOD_HIT_INDEX ,"out_DECOD_HIT_INDEX ",Tptr_t ,_param->_nb_inst_decod); |
---|
68 | ALLOC1_SC_SIGNAL( in_DECOD_VICTIM ," in_DECOD_VICTIM ",Tptr_t ,_param->_nb_inst_decod); |
---|
69 | ALLOC1_SC_SIGNAL( in_DECOD_CONTEXT_ID ," in_DECOD_CONTEXT_ID ",Tcontext_t ,_param->_nb_inst_decod); |
---|
70 | ALLOC1_SC_SIGNAL( in_DECOD_ADDRESS_SRC ," in_DECOD_ADDRESS_SRC ",Tgeneral_data_t ,_param->_nb_inst_decod); |
---|
71 | ALLOC1_SC_SIGNAL( in_DECOD_ADDRESS_DEST ," in_DECOD_ADDRESS_DEST ",Tgeneral_data_t ,_param->_nb_inst_decod); |
---|
72 | ALLOC1_SC_SIGNAL( in_DECOD_CONDITION ," in_DECOD_CONDITION ",Tbranch_condition_t,_param->_nb_inst_decod); |
---|
73 | ALLOC1_SC_SIGNAL( in_DECOD_LAST_TAKE ," in_DECOD_LAST_TAKE ",Tcontrol_t ,_param->_nb_inst_decod); |
---|
74 | ALLOC1_SC_SIGNAL( in_DECOD_MISS_PREDICTION ," in_DECOD_MISS_PREDICTION ",Tcontrol_t ,_param->_nb_inst_decod); |
---|
75 | ALLOC1_SC_SIGNAL( in_DECOD_IS_ACCURATE ," in_DECOD_IS_ACCURATE ",Tcontrol_t ,_param->_nb_inst_decod); |
---|
76 | ALLOC1_SC_SIGNAL( in_UPDATE_VAL ," in_UPDATE_VAL ",Tcontrol_t ,_param->_nb_inst_update); |
---|
77 | ALLOC1_SC_SIGNAL(out_UPDATE_ACK ,"out_UPDATE_ACK ",Tcontrol_t ,_param->_nb_inst_update); |
---|
78 | ALLOC1_SC_SIGNAL(out_UPDATE_HIT ,"out_UPDATE_HIT ",Tcontrol_t ,_param->_nb_inst_update); |
---|
79 | ALLOC1_SC_SIGNAL(out_UPDATE_HIT_INDEX ,"out_UPDATE_HIT_INDEX ",Tptr_t ,_param->_nb_inst_update); |
---|
80 | ALLOC1_SC_SIGNAL( in_UPDATE_VICTIM ," in_UPDATE_VICTIM ",Tptr_t ,_param->_nb_inst_update); |
---|
81 | ALLOC1_SC_SIGNAL( in_UPDATE_CONTEXT_ID ," in_UPDATE_CONTEXT_ID ",Tcontext_t ,_param->_nb_inst_update); |
---|
82 | ALLOC1_SC_SIGNAL( in_UPDATE_ADDRESS_SRC ," in_UPDATE_ADDRESS_SRC ",Tgeneral_data_t ,_param->_nb_inst_update); |
---|
83 | ALLOC1_SC_SIGNAL( in_UPDATE_ADDRESS_DEST ," in_UPDATE_ADDRESS_DEST ",Tgeneral_data_t ,_param->_nb_inst_update); |
---|
84 | ALLOC1_SC_SIGNAL( in_UPDATE_CONDITION ," in_UPDATE_CONDITION ",Tbranch_condition_t,_param->_nb_inst_update); |
---|
85 | ALLOC1_SC_SIGNAL( in_UPDATE_LAST_TAKE ," in_UPDATE_LAST_TAKE ",Tcontrol_t ,_param->_nb_inst_update); |
---|
86 | ALLOC1_SC_SIGNAL( in_UPDATE_MISS_PREDICTION," in_UPDATE_MISS_PREDICTION",Tcontrol_t ,_param->_nb_inst_update); |
---|
87 | |
---|
88 | /******************************************************** |
---|
89 | * Instanciation |
---|
90 | ********************************************************/ |
---|
91 | |
---|
92 | msg(_("<%s> : Instanciation of _Branch_Target_Buffer_Register.\n"),name.c_str()); |
---|
93 | |
---|
94 | (*(_Branch_Target_Buffer_Register->in_CLOCK)) (*(in_CLOCK)); |
---|
95 | (*(_Branch_Target_Buffer_Register->in_NRESET)) (*(in_NRESET)); |
---|
96 | |
---|
97 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer_Register, in_PREDICT_VAL ,_param->_nb_inst_predict); |
---|
98 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer_Register,out_PREDICT_ACK ,_param->_nb_inst_predict); |
---|
99 | if (_param->_have_port_context_id) |
---|
100 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer_Register, in_PREDICT_CONTEXT_ID ,_param->_nb_inst_predict); |
---|
101 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer_Register, in_PREDICT_ADDRESS ,_param->_nb_inst_predict); |
---|
102 | INSTANCE2_SC_SIGNAL(_Branch_Target_Buffer_Register,out_PREDICT_HIT ,_param->_nb_inst_predict,_param->_associativity); |
---|
103 | INSTANCE2_SC_SIGNAL(_Branch_Target_Buffer_Register,out_PREDICT_ADDRESS_SRC ,_param->_nb_inst_predict,_param->_associativity); |
---|
104 | INSTANCE2_SC_SIGNAL(_Branch_Target_Buffer_Register,out_PREDICT_ADDRESS_DEST ,_param->_nb_inst_predict,_param->_associativity); |
---|
105 | INSTANCE2_SC_SIGNAL(_Branch_Target_Buffer_Register,out_PREDICT_CONDITION ,_param->_nb_inst_predict,_param->_associativity); |
---|
106 | INSTANCE2_SC_SIGNAL(_Branch_Target_Buffer_Register,out_PREDICT_LAST_TAKE ,_param->_nb_inst_predict,_param->_associativity); |
---|
107 | INSTANCE2_SC_SIGNAL(_Branch_Target_Buffer_Register,out_PREDICT_IS_ACCURATE ,_param->_nb_inst_predict,_param->_associativity); |
---|
108 | |
---|
109 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer_Register, in_DECOD_VAL ,_param->_nb_inst_decod); |
---|
110 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer_Register,out_DECOD_ACK ,_param->_nb_inst_decod); |
---|
111 | if (_param->_have_port_victim) |
---|
112 | { |
---|
113 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer_Register,out_DECOD_HIT ,_param->_nb_inst_decod); |
---|
114 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer_Register,out_DECOD_HIT_INDEX ,_param->_nb_inst_decod); |
---|
115 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer_Register, in_DECOD_VICTIM ,_param->_nb_inst_decod); |
---|
116 | } |
---|
117 | if (_param->_have_port_context_id) |
---|
118 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer_Register, in_DECOD_CONTEXT_ID ,_param->_nb_inst_decod); |
---|
119 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer_Register, in_DECOD_ADDRESS_SRC ,_param->_nb_inst_decod); |
---|
120 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer_Register, in_DECOD_ADDRESS_DEST ,_param->_nb_inst_decod); |
---|
121 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer_Register, in_DECOD_CONDITION ,_param->_nb_inst_decod); |
---|
122 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer_Register, in_DECOD_LAST_TAKE ,_param->_nb_inst_decod); |
---|
123 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer_Register, in_DECOD_MISS_PREDICTION ,_param->_nb_inst_decod); |
---|
124 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer_Register, in_DECOD_IS_ACCURATE ,_param->_nb_inst_decod); |
---|
125 | |
---|
126 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer_Register, in_UPDATE_VAL ,_param->_nb_inst_update); |
---|
127 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer_Register,out_UPDATE_ACK ,_param->_nb_inst_update); |
---|
128 | if (_param->_have_port_victim) |
---|
129 | { |
---|
130 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer_Register,out_UPDATE_HIT ,_param->_nb_inst_update); |
---|
131 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer_Register,out_UPDATE_HIT_INDEX ,_param->_nb_inst_update); |
---|
132 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer_Register, in_UPDATE_VICTIM ,_param->_nb_inst_update); |
---|
133 | } |
---|
134 | if (_param->_have_port_context_id) |
---|
135 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer_Register, in_UPDATE_CONTEXT_ID ,_param->_nb_inst_update); |
---|
136 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer_Register, in_UPDATE_ADDRESS_SRC ,_param->_nb_inst_update); |
---|
137 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer_Register, in_UPDATE_ADDRESS_DEST ,_param->_nb_inst_update); |
---|
138 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer_Register, in_UPDATE_CONDITION ,_param->_nb_inst_update); |
---|
139 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer_Register, in_UPDATE_LAST_TAKE ,_param->_nb_inst_update); |
---|
140 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer_Register, in_UPDATE_MISS_PREDICTION,_param->_nb_inst_update); |
---|
141 | |
---|
142 | msg(_("<%s> : Start Simulation ............\n"),name.c_str()); |
---|
143 | |
---|
144 | Time * _time = new Time(); |
---|
145 | |
---|
146 | /******************************************************** |
---|
147 | * Simulation - Begin |
---|
148 | ********************************************************/ |
---|
149 | |
---|
150 | // Initialisation |
---|
151 | |
---|
152 | const uint32_t seed = 0; |
---|
153 | //const uint32_t seed = static_cast<uint32_t>(time(NULL)); |
---|
154 | |
---|
155 | srand(seed); |
---|
156 | |
---|
157 | const int32_t percent_transaction_predict = 75; |
---|
158 | const int32_t percent_transaction_decod = 75; |
---|
159 | const int32_t percent_transaction_update = 75; |
---|
160 | |
---|
161 | uint32_t num_index = 0; |
---|
162 | entry_t tab_old [_param->_associativity]; |
---|
163 | entry_t tab [_param->_associativity]; |
---|
164 | |
---|
165 | for (uint32_t i=0; i<_param->_associativity; i++) |
---|
166 | tab[i]._val = false; |
---|
167 | |
---|
168 | SC_START(0); |
---|
169 | LABEL("Initialisation"); |
---|
170 | |
---|
171 | for (uint32_t i=0; i<_param->_nb_inst_predict; i++) |
---|
172 | in_PREDICT_VAL [i]->write(0); |
---|
173 | for (uint32_t i=0; i<_param->_nb_inst_decod ; i++) |
---|
174 | in_DECOD_VAL [i]->write(0); |
---|
175 | for (uint32_t i=0; i<_param->_nb_inst_update ; i++) |
---|
176 | in_UPDATE_VAL [i]->write(0); |
---|
177 | |
---|
178 | LABEL("Reset"); |
---|
179 | in_NRESET->write(0); |
---|
180 | SC_START(5); |
---|
181 | in_NRESET->write(1); |
---|
182 | |
---|
183 | LABEL("Loop of Test"); |
---|
184 | |
---|
185 | for (uint32_t iteration=0; iteration<NB_ITERATION; iteration ++) |
---|
186 | { |
---|
187 | LABEL("Iteration %d",iteration); |
---|
188 | |
---|
189 | for (uint32_t j=0; j<_param->_associativity; j++) |
---|
190 | tab[j].print(); |
---|
191 | |
---|
192 | for (uint32_t i=0; i<_param->_nb_inst_predict; i++) |
---|
193 | { |
---|
194 | Tgeneral_data_t addr; |
---|
195 | uint32_t j = rand()%_param->_associativity; |
---|
196 | |
---|
197 | if ( ((rand()%100)<percent_transaction_predict) and |
---|
198 | tab [j]._val) |
---|
199 | addr = tab [j]._address_src; |
---|
200 | else |
---|
201 | addr = gen_addr(_param, num_index); |
---|
202 | |
---|
203 | in_PREDICT_VAL [i]->write((rand()%100)<percent_transaction_predict); |
---|
204 | in_PREDICT_CONTEXT_ID [i]->write(rand()%_param->_nb_context); |
---|
205 | in_PREDICT_ADDRESS [i]->write(addr); |
---|
206 | } |
---|
207 | |
---|
208 | for (uint32_t i=0; i<_param->_nb_inst_decod; i++) |
---|
209 | { |
---|
210 | Tgeneral_data_t addr = gen_addr(_param, num_index); |
---|
211 | |
---|
212 | in_DECOD_VAL [i]->write((rand()%100)<percent_transaction_decod); |
---|
213 | in_DECOD_VICTIM [i]->write(rand()%_param->_associativity); |
---|
214 | in_DECOD_CONTEXT_ID [i]->write(rand()%_param->_nb_context); |
---|
215 | in_DECOD_ADDRESS_SRC [i]->write( addr); |
---|
216 | in_DECOD_ADDRESS_DEST [i]->write(~addr); |
---|
217 | in_DECOD_CONDITION [i]->write((addr&1)?BRANCH_CONDITION_FLAG_SET:BRANCH_CONDITION_READ_REGISTER_WITH_WRITE_STACK); |
---|
218 | in_DECOD_LAST_TAKE [i]->write(rand()%2); |
---|
219 | in_DECOD_MISS_PREDICTION [i]->write(rand()%2); |
---|
220 | in_DECOD_IS_ACCURATE [i]->write(rand()%2); |
---|
221 | } |
---|
222 | |
---|
223 | for (uint32_t i=0; i<_param->_nb_inst_update; i++) |
---|
224 | { |
---|
225 | Tgeneral_data_t addr = gen_addr(_param, num_index); |
---|
226 | |
---|
227 | in_UPDATE_VAL [i]->write((rand()%100)<percent_transaction_update); |
---|
228 | in_UPDATE_VICTIM [i]->write(rand()%_param->_associativity); |
---|
229 | in_UPDATE_CONTEXT_ID [i]->write(rand()%_param->_nb_context); |
---|
230 | in_UPDATE_ADDRESS_SRC [i]->write( addr); |
---|
231 | in_UPDATE_ADDRESS_DEST [i]->write(~addr); |
---|
232 | in_UPDATE_CONDITION [i]->write((addr&1)?BRANCH_CONDITION_FLAG_SET:BRANCH_CONDITION_READ_REGISTER_WITH_WRITE_STACK); |
---|
233 | in_UPDATE_LAST_TAKE [i]->write(rand()%2); |
---|
234 | in_UPDATE_MISS_PREDICTION [i]->write(rand()%2); |
---|
235 | } |
---|
236 | |
---|
237 | SC_START(0); |
---|
238 | |
---|
239 | for (uint32_t i=0; i<_param->_associativity; i++) |
---|
240 | tab_old [i] = tab [i]; |
---|
241 | |
---|
242 | for (uint32_t i=0; i<_param->_nb_inst_predict ; i++) |
---|
243 | if (in_PREDICT_VAL [i]->read() and out_PREDICT_ACK [i]->read()) |
---|
244 | { |
---|
245 | LABEL("PREDICT [%d] : Transaction accepted",i); |
---|
246 | LABEL(" * context : %d" ,in_PREDICT_CONTEXT_ID [i]->read()); |
---|
247 | LABEL(" * address : %.8x",in_PREDICT_ADDRESS [i]->read()); |
---|
248 | |
---|
249 | Tcontext_t ctxt = in_PREDICT_CONTEXT_ID [i]->read(); |
---|
250 | Tgeneral_data_t addr = in_PREDICT_ADDRESS [i]->read(); |
---|
251 | |
---|
252 | for (uint32_t j=0; j<_param->_associativity; j++) |
---|
253 | { |
---|
254 | LABEL(" * [%d]",j); |
---|
255 | |
---|
256 | bool hit = tab_old[j].hit(_param, addr, ctxt); |
---|
257 | TEST(Tcontrol_t , out_PREDICT_HIT [i][j]->read(), hit); |
---|
258 | |
---|
259 | if (tab_old[j]._val) |
---|
260 | { |
---|
261 | Tgeneral_data_t addr_src = tab_old[j]._address_src; |
---|
262 | |
---|
263 | TEST(Tgeneral_data_t , out_PREDICT_ADDRESS_SRC [i][j]->read(), addr_src); |
---|
264 | TEST(Tgeneral_data_t , out_PREDICT_ADDRESS_DEST [i][j]->read(), ~addr_src); |
---|
265 | TEST(Tbranch_condition_t, out_PREDICT_CONDITION [i][j]->read(), ((addr_src&1)?BRANCH_CONDITION_FLAG_SET:BRANCH_CONDITION_READ_REGISTER_WITH_WRITE_STACK)); |
---|
266 | TEST(Tcontrol_t , out_PREDICT_LAST_TAKE [i][j]->read(), tab_old[j]._last_take); |
---|
267 | // TEST(Tcontrol_t , out_PREDICT_IS_ACCURATE [i][j]->read(), ); |
---|
268 | } |
---|
269 | } |
---|
270 | } |
---|
271 | |
---|
272 | for (uint32_t i=0; i<_param->_nb_inst_decod ; i++) |
---|
273 | if (in_DECOD_VAL [i]->read() and out_DECOD_ACK [i]->read()) |
---|
274 | { |
---|
275 | LABEL("DECOD [%d] : Transaction accepted",i); |
---|
276 | LABEL(" * context : %d" ,in_DECOD_CONTEXT_ID [i]->read()); |
---|
277 | LABEL(" * address_src : %.8x",in_DECOD_ADDRESS_SRC [i]->read()); |
---|
278 | |
---|
279 | bool hit = false; |
---|
280 | |
---|
281 | Tptr_t k; |
---|
282 | for (k=0; k<_param->_associativity; k++) |
---|
283 | { |
---|
284 | hit |= ((tab_old[k]._val == 1) and |
---|
285 | (tab_old[k]._context == in_DECOD_CONTEXT_ID [i]->read()) and |
---|
286 | (tab_old[k]._address_src == in_DECOD_ADDRESS_SRC [i]->read())); |
---|
287 | |
---|
288 | if (hit) |
---|
289 | break; |
---|
290 | } |
---|
291 | |
---|
292 | if (not hit) |
---|
293 | { |
---|
294 | k = in_DECOD_VICTIM [i]->read(); |
---|
295 | LABEL(" * miss"); |
---|
296 | LABEL(" * victim : %d",k); |
---|
297 | |
---|
298 | tab[k]._val = 1; |
---|
299 | tab[k]._context = in_DECOD_CONTEXT_ID [i]->read(); |
---|
300 | tab[k]._address_src = in_DECOD_ADDRESS_SRC [i]->read(); |
---|
301 | tab[k]._address_dest_val = in_DECOD_CONDITION [i]->read() == BRANCH_CONDITION_FLAG_SET; |
---|
302 | tab[k]._address_dest = in_DECOD_ADDRESS_DEST[i]->read(); |
---|
303 | tab[k]._condition = in_DECOD_CONDITION [i]->read(); |
---|
304 | tab[k]._last_take = in_DECOD_LAST_TAKE [i]->read(); |
---|
305 | tab[k]._accurate =(in_DECOD_IS_ACCURATE [i]->read())?_param->_first_accurate_if_hit:_param->_first_accurate_if_miss; |
---|
306 | } |
---|
307 | else |
---|
308 | { |
---|
309 | LABEL(" * hit"); |
---|
310 | } |
---|
311 | |
---|
312 | if (_param->_have_port_victim) |
---|
313 | { |
---|
314 | TEST(Tcontrol_t, out_DECOD_HIT [i]->read(), hit); |
---|
315 | if (hit) |
---|
316 | TEST(Tptr_t , out_DECOD_HIT_INDEX [i]->read(), k); |
---|
317 | } |
---|
318 | } |
---|
319 | |
---|
320 | for (uint32_t i=0; i<_param->_nb_inst_update ; i++) |
---|
321 | if (in_UPDATE_VAL [i]->read() and out_UPDATE_ACK [i]->read()) |
---|
322 | { |
---|
323 | LABEL("UPDATE [%d] : Transaction accepted",i); |
---|
324 | LABEL(" * context : %d" ,in_UPDATE_CONTEXT_ID [i]->read()); |
---|
325 | LABEL(" * address_src : %.8x",in_UPDATE_ADDRESS_SRC [i]->read()); |
---|
326 | |
---|
327 | bool hit = false; |
---|
328 | |
---|
329 | Tptr_t k; |
---|
330 | for (k=0; k<_param->_associativity; k++) |
---|
331 | { |
---|
332 | hit |= ((tab_old[k]._val == 1) and |
---|
333 | (tab_old[k]._context == in_UPDATE_CONTEXT_ID [i]->read()) and |
---|
334 | (tab_old[k]._address_src == in_UPDATE_ADDRESS_SRC [i]->read())); |
---|
335 | if (hit) |
---|
336 | break; |
---|
337 | } |
---|
338 | |
---|
339 | if (not hit) |
---|
340 | { |
---|
341 | k = in_UPDATE_VICTIM [i]->read(); |
---|
342 | |
---|
343 | LABEL(" * miss"); |
---|
344 | LABEL(" * victim : %d",k); |
---|
345 | |
---|
346 | tab[k]._val = 1; |
---|
347 | tab[k]._context = in_UPDATE_CONTEXT_ID [i]->read(); |
---|
348 | tab[k]._address_src = in_UPDATE_ADDRESS_SRC [i]->read(); |
---|
349 | tab[k]._address_dest_val = 1; |
---|
350 | tab[k]._address_dest = in_UPDATE_ADDRESS_DEST[i]->read(); |
---|
351 | tab[k]._condition = in_UPDATE_CONDITION [i]->read(); |
---|
352 | tab[k]._last_take = in_UPDATE_LAST_TAKE [i]->read(); |
---|
353 | tab[k]._accurate = (in_UPDATE_MISS_PREDICTION [i]->read())?_param->_first_accurate_if_miss:_param->_first_accurate_if_hit; |
---|
354 | } |
---|
355 | else |
---|
356 | { |
---|
357 | LABEL(" * hit"); |
---|
358 | LABEL(" * update : %d",k); |
---|
359 | |
---|
360 | tab[k]._val = 1; |
---|
361 | tab[k]._context = in_UPDATE_CONTEXT_ID [i]->read(); |
---|
362 | tab[k]._address_src = in_UPDATE_ADDRESS_SRC [i]->read(); |
---|
363 | tab[k]._address_dest_val = 1; |
---|
364 | tab[k]._address_dest = in_UPDATE_ADDRESS_DEST[i]->read(); |
---|
365 | tab[k]._condition = in_UPDATE_CONDITION [i]->read(); |
---|
366 | tab[k]._last_take = in_UPDATE_LAST_TAKE [i]->read(); |
---|
367 | |
---|
368 | |
---|
369 | Tcounter_t accurate_old = tab[k]._accurate; |
---|
370 | // hit : increase accurate |
---|
371 | // miss : decrease accurate |
---|
372 | Tcounter_t accurate_new = (in_UPDATE_MISS_PREDICTION [i]->read())?((accurate_old>0)?(accurate_old-1):accurate_old):((accurate_old<_param->_accurate_max)?(accurate_old+1):accurate_old); |
---|
373 | |
---|
374 | // test if accurate go to the threshold |
---|
375 | if ((accurate_old >= _param->_accurate_limit) and |
---|
376 | (accurate_new < _param->_accurate_limit)) |
---|
377 | accurate_new = 0; |
---|
378 | |
---|
379 | |
---|
380 | tab[k]._accurate = accurate_new; |
---|
381 | } |
---|
382 | |
---|
383 | if (_param->_have_port_victim) |
---|
384 | { |
---|
385 | TEST(Tcontrol_t, out_UPDATE_HIT [i]->read(), hit); |
---|
386 | if (hit) |
---|
387 | TEST(Tptr_t , out_UPDATE_HIT_INDEX [i]->read(), k); |
---|
388 | } |
---|
389 | } |
---|
390 | |
---|
391 | SC_START(1); |
---|
392 | } |
---|
393 | |
---|
394 | /******************************************************** |
---|
395 | * Simulation - End |
---|
396 | ********************************************************/ |
---|
397 | |
---|
398 | TEST_OK ("End of Simulation"); |
---|
399 | delete _time; |
---|
400 | |
---|
401 | msg(_("<%s> : ............ Stop Simulation\n"),name.c_str()); |
---|
402 | |
---|
403 | delete in_CLOCK; |
---|
404 | delete in_NRESET; |
---|
405 | |
---|
406 | delete [] in_PREDICT_VAL ; |
---|
407 | delete [] out_PREDICT_ACK ; |
---|
408 | delete [] in_PREDICT_CONTEXT_ID ; |
---|
409 | delete [] in_PREDICT_ADDRESS ; |
---|
410 | delete [] out_PREDICT_HIT ; |
---|
411 | delete [] out_PREDICT_ADDRESS_SRC ; |
---|
412 | delete [] out_PREDICT_ADDRESS_DEST ; |
---|
413 | delete [] out_PREDICT_CONDITION ; |
---|
414 | delete [] out_PREDICT_LAST_TAKE ; |
---|
415 | delete [] out_PREDICT_IS_ACCURATE ; |
---|
416 | delete [] in_DECOD_VAL ; |
---|
417 | delete [] out_DECOD_ACK ; |
---|
418 | delete [] out_DECOD_HIT ; |
---|
419 | delete [] out_DECOD_HIT_INDEX ; |
---|
420 | delete [] in_DECOD_VICTIM ; |
---|
421 | delete [] in_DECOD_CONTEXT_ID ; |
---|
422 | delete [] in_DECOD_ADDRESS_SRC ; |
---|
423 | delete [] in_DECOD_ADDRESS_DEST ; |
---|
424 | delete [] in_DECOD_CONDITION ; |
---|
425 | delete [] in_DECOD_LAST_TAKE ; |
---|
426 | delete [] in_DECOD_MISS_PREDICTION ; |
---|
427 | delete [] in_DECOD_IS_ACCURATE ; |
---|
428 | delete [] in_UPDATE_VAL ; |
---|
429 | delete [] out_UPDATE_ACK ; |
---|
430 | delete [] out_UPDATE_HIT ; |
---|
431 | delete [] out_UPDATE_HIT_INDEX ; |
---|
432 | delete [] in_UPDATE_VICTIM ; |
---|
433 | delete [] in_UPDATE_CONTEXT_ID ; |
---|
434 | delete [] in_UPDATE_ADDRESS_SRC ; |
---|
435 | delete [] in_UPDATE_ADDRESS_DEST ; |
---|
436 | delete [] in_UPDATE_CONDITION ; |
---|
437 | delete [] in_UPDATE_LAST_TAKE ; |
---|
438 | delete [] in_UPDATE_MISS_PREDICTION; |
---|
439 | |
---|
440 | #endif |
---|
441 | |
---|
442 | delete _Branch_Target_Buffer_Register; |
---|
443 | #ifdef STATISTICS |
---|
444 | delete _parameters_statistics; |
---|
445 | #endif |
---|
446 | } |
---|