1 | /* |
---|
2 | * $Id: test.cpp 81 2008-04-15 18:40:01Z rosiere $ |
---|
3 | * |
---|
4 | * [ Description ] |
---|
5 | * |
---|
6 | * Test |
---|
7 | */ |
---|
8 | |
---|
9 | #define NB_ITERATION 64 |
---|
10 | |
---|
11 | #include "Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Direction/Meta_Predictor/Two_Level_Branch_Predictor/Two_Level_Branch_Predictor_Glue/SelfTest/include/test.h" |
---|
12 | #include "Common/include/BitManipulation.h" |
---|
13 | #include "Common/include/Test.h" |
---|
14 | |
---|
15 | void test (string name, |
---|
16 | morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::direction::meta_predictor::two_level_branch_predictor::two_level_branch_predictor_glue::Parameters param) |
---|
17 | { |
---|
18 | cout << "<" << name << "> : Simulation SystemC" << endl; |
---|
19 | |
---|
20 | try |
---|
21 | { |
---|
22 | cout << param.print(1); |
---|
23 | param.test(); |
---|
24 | } |
---|
25 | catch (morpheo::ErrorMorpheo & error) |
---|
26 | { |
---|
27 | cout << "<" << name << "> : " << error.what (); |
---|
28 | return; |
---|
29 | } |
---|
30 | catch (...) |
---|
31 | { |
---|
32 | cerr << "<" << name << "> : This test must generate a error" << endl; |
---|
33 | exit (EXIT_FAILURE); |
---|
34 | } |
---|
35 | Two_Level_Branch_Predictor_Glue * _Two_Level_Branch_Predictor_Glue = new Two_Level_Branch_Predictor_Glue (name.c_str(), |
---|
36 | #ifdef STATISTICS |
---|
37 | morpheo::behavioural::Parameters_Statistics(5,50), |
---|
38 | #endif |
---|
39 | param); |
---|
40 | |
---|
41 | #ifdef SYSTEMC |
---|
42 | /********************************************************************* |
---|
43 | * Déclarations des signaux |
---|
44 | *********************************************************************/ |
---|
45 | sc_clock CLOCK ("clock", 1.0, 0.5); |
---|
46 | sc_signal<Tcontrol_t> NRESET; |
---|
47 | |
---|
48 | sc_signal<Tcontrol_t> PREDICT_BHT_ACK [param._nb_prediction]; |
---|
49 | sc_signal<Tcontrol_t> PREDICT_PHT_ACK [param._nb_prediction]; |
---|
50 | sc_signal<Tcontrol_t> PREDICT_ACK [param._nb_prediction]; |
---|
51 | |
---|
52 | sc_signal<Taddress_t> PREDICT_ADDRESS [param._nb_prediction]; |
---|
53 | sc_signal<Tbht_history_t> PREDICT_BHT_HISTORY [param._nb_prediction]; |
---|
54 | sc_signal<Taddress_t> PREDICT_BHT_ADDRESS [param._nb_prediction]; |
---|
55 | sc_signal<Taddress_t> PREDICT_PHT_ADDRESS [param._nb_prediction]; |
---|
56 | |
---|
57 | sc_signal<Tcontrol_t> BRANCH_COMPLETE_BHT_ACK [param._nb_branch_complete]; |
---|
58 | sc_signal<Tcontrol_t> BRANCH_COMPLETE_PHT_ACK [param._nb_branch_complete]; |
---|
59 | sc_signal<Tcontrol_t> BRANCH_COMPLETE_ACK [param._nb_branch_complete]; |
---|
60 | sc_signal<Taddress_t> BRANCH_COMPLETE_ADDRESS [param._nb_branch_complete]; |
---|
61 | sc_signal<Tbht_history_t> BRANCH_COMPLETE_BHT_HISTORY [param._nb_branch_complete]; |
---|
62 | sc_signal<Taddress_t> BRANCH_COMPLETE_BHT_ADDRESS [param._nb_branch_complete]; |
---|
63 | sc_signal<Taddress_t> BRANCH_COMPLETE_PHT_ADDRESS [param._nb_branch_complete]; |
---|
64 | |
---|
65 | /******************************************************** |
---|
66 | * Instanciation |
---|
67 | ********************************************************/ |
---|
68 | |
---|
69 | cout << "<" << name << "> Instanciation of _Two_Level_Branch_Predictor_Glue" << endl; |
---|
70 | |
---|
71 | (*(_Two_Level_Branch_Predictor_Glue->in_CLOCK)) (CLOCK); |
---|
72 | (*(_Two_Level_Branch_Predictor_Glue->in_NRESET)) (NRESET); |
---|
73 | |
---|
74 | for (uint32_t i=0; i<param._nb_prediction; i++) |
---|
75 | { |
---|
76 | if (param._have_bht) |
---|
77 | { |
---|
78 | (*(_Two_Level_Branch_Predictor_Glue-> in_PREDICT_BHT_ACK [i])) (PREDICT_BHT_ACK [i]); |
---|
79 | (*(_Two_Level_Branch_Predictor_Glue->out_PREDICT_BHT_ADDRESS [i])) (PREDICT_BHT_ADDRESS [i]); |
---|
80 | } |
---|
81 | if (param._have_bht and param._have_pht) |
---|
82 | (*(_Two_Level_Branch_Predictor_Glue-> in_PREDICT_BHT_HISTORY [i])) (PREDICT_BHT_HISTORY [i]); |
---|
83 | if (param._have_pht) |
---|
84 | { |
---|
85 | (*(_Two_Level_Branch_Predictor_Glue-> in_PREDICT_PHT_ACK [i])) (PREDICT_PHT_ACK [i]); |
---|
86 | (*(_Two_Level_Branch_Predictor_Glue->out_PREDICT_PHT_ADDRESS [i])) (PREDICT_PHT_ADDRESS [i]); |
---|
87 | } |
---|
88 | (*(_Two_Level_Branch_Predictor_Glue->out_PREDICT_ACK [i])) (PREDICT_ACK [i]); |
---|
89 | (*(_Two_Level_Branch_Predictor_Glue-> in_PREDICT_ADDRESS [i])) (PREDICT_ADDRESS [i]); |
---|
90 | } |
---|
91 | for (uint32_t i=0; i<param._nb_branch_complete; i++) |
---|
92 | { |
---|
93 | if (param._have_bht) |
---|
94 | { |
---|
95 | (*(_Two_Level_Branch_Predictor_Glue-> in_BRANCH_COMPLETE_BHT_ACK [i])) (BRANCH_COMPLETE_BHT_ACK [i]); |
---|
96 | (*(_Two_Level_Branch_Predictor_Glue->out_BRANCH_COMPLETE_BHT_ADDRESS [i])) (BRANCH_COMPLETE_BHT_ADDRESS [i]); |
---|
97 | } |
---|
98 | if (param._have_bht and param._have_pht) |
---|
99 | (*(_Two_Level_Branch_Predictor_Glue-> in_BRANCH_COMPLETE_BHT_HISTORY [i])) (BRANCH_COMPLETE_BHT_HISTORY [i]); |
---|
100 | |
---|
101 | if (param._have_pht) |
---|
102 | { |
---|
103 | (*(_Two_Level_Branch_Predictor_Glue-> in_BRANCH_COMPLETE_PHT_ACK [i])) (BRANCH_COMPLETE_PHT_ACK [i]); |
---|
104 | (*(_Two_Level_Branch_Predictor_Glue->out_BRANCH_COMPLETE_PHT_ADDRESS [i])) (BRANCH_COMPLETE_PHT_ADDRESS [i]); |
---|
105 | } |
---|
106 | (*(_Two_Level_Branch_Predictor_Glue->out_BRANCH_COMPLETE_ACK [i])) (BRANCH_COMPLETE_ACK [i]); |
---|
107 | (*(_Two_Level_Branch_Predictor_Glue-> in_BRANCH_COMPLETE_ADDRESS [i])) (BRANCH_COMPLETE_ADDRESS [i]); |
---|
108 | } |
---|
109 | |
---|
110 | /******************************************************** |
---|
111 | * Simulation - Begin |
---|
112 | ********************************************************/ |
---|
113 | |
---|
114 | cout << "<" << name << "> Start Simulation ............" << endl; |
---|
115 | // Initialisation |
---|
116 | |
---|
117 | Tcontrol_t predict_bht_ack; |
---|
118 | Tcontrol_t predict_pht_ack; |
---|
119 | |
---|
120 | Tcontrol_t branch_complete_bht_ack; |
---|
121 | Tcontrol_t branch_complete_pht_ack; |
---|
122 | |
---|
123 | srand(0); |
---|
124 | //srand(time(NULL)); |
---|
125 | |
---|
126 | sc_start(0); |
---|
127 | |
---|
128 | cout << "{"+toString(static_cast<uint32_t>(sc_simulation_time()))+"} Initialisation" << endl; |
---|
129 | |
---|
130 | NRESET.write(1); |
---|
131 | |
---|
132 | cout << "{"+toString(static_cast<uint32_t>(sc_simulation_time()))+"} Test ack" << endl; |
---|
133 | |
---|
134 | for (uint32_t iteration=0; iteration<NB_ITERATION; iteration ++) |
---|
135 | { |
---|
136 | // Branch History Table |
---|
137 | if (param._have_bht) |
---|
138 | { |
---|
139 | predict_bht_ack = (rand()%2)!=0; |
---|
140 | branch_complete_bht_ack = (rand()%2)!=0; |
---|
141 | |
---|
142 | } |
---|
143 | else |
---|
144 | { |
---|
145 | predict_bht_ack = 1; |
---|
146 | branch_complete_bht_ack = 1; |
---|
147 | } |
---|
148 | |
---|
149 | // Pattern History Table |
---|
150 | if (param._have_pht) |
---|
151 | { |
---|
152 | predict_pht_ack = (rand()%2)!=0; |
---|
153 | branch_complete_pht_ack = (rand()%2)!=0; |
---|
154 | } |
---|
155 | else |
---|
156 | { |
---|
157 | predict_pht_ack = 1; |
---|
158 | branch_complete_pht_ack = 1; |
---|
159 | } |
---|
160 | |
---|
161 | for (uint32_t i=0; i<param._nb_prediction; i++) |
---|
162 | { |
---|
163 | PREDICT_BHT_ACK [i] .write(predict_bht_ack); |
---|
164 | PREDICT_PHT_ACK [i] .write(predict_pht_ack); |
---|
165 | } |
---|
166 | |
---|
167 | for (uint32_t i=0; i<param._nb_branch_complete; i++) |
---|
168 | { |
---|
169 | BRANCH_COMPLETE_BHT_ACK [i] .write(branch_complete_bht_ack); |
---|
170 | BRANCH_COMPLETE_PHT_ACK [i] .write(branch_complete_pht_ack); |
---|
171 | } |
---|
172 | |
---|
173 | sc_start(0); |
---|
174 | |
---|
175 | // Test result |
---|
176 | for (uint32_t i=0; i<param._nb_prediction; i++) |
---|
177 | TEST(Tcontrol_t,(predict_pht_ack & predict_bht_ack),PREDICT_ACK [i].read()); |
---|
178 | |
---|
179 | for (uint32_t i=0; i<param._nb_branch_complete; i++) |
---|
180 | TEST(Tcontrol_t,(branch_complete_pht_ack & branch_complete_bht_ack),BRANCH_COMPLETE_ACK [i].read()); |
---|
181 | |
---|
182 | sc_start(1); |
---|
183 | } |
---|
184 | |
---|
185 | Taddress_t predict_address; |
---|
186 | Tbht_history_t predict_bht_history; |
---|
187 | Taddress_t branch_complete_address; |
---|
188 | Tbht_history_t branch_complete_bht_history; |
---|
189 | |
---|
190 | |
---|
191 | cout << "{"+toString(static_cast<uint32_t>(sc_simulation_time()))+"} Test address" << endl; |
---|
192 | |
---|
193 | for (uint32_t iteration=0; iteration<NB_ITERATION; iteration ++) |
---|
194 | { |
---|
195 | predict_address = rand()%(1<<param._size_address ); |
---|
196 | predict_bht_history = 0; |
---|
197 | branch_complete_address = rand()%(1<<param._size_address ); |
---|
198 | branch_complete_bht_history = 0; |
---|
199 | |
---|
200 | for (uint32_t i=0; i<param._nb_prediction; i++) |
---|
201 | PREDICT_ADDRESS [i].write (predict_address); |
---|
202 | for (uint32_t i=0; i<param._nb_branch_complete; i++) |
---|
203 | BRANCH_COMPLETE_ADDRESS [i].write (branch_complete_address); |
---|
204 | |
---|
205 | // Branch History Table |
---|
206 | if (param._have_bht and param._have_pht) |
---|
207 | { |
---|
208 | predict_bht_history = rand()%(1<<param._bht_size_history); |
---|
209 | branch_complete_bht_history = rand()%(1<<param._bht_size_history); |
---|
210 | |
---|
211 | for (uint32_t i=0; i<param._nb_prediction; i++) |
---|
212 | PREDICT_BHT_HISTORY [i].write(predict_bht_history); |
---|
213 | for (uint32_t i=0; i<param._nb_branch_complete; i++) |
---|
214 | BRANCH_COMPLETE_BHT_HISTORY [i].write(branch_complete_bht_history); |
---|
215 | } |
---|
216 | |
---|
217 | sc_start(0); |
---|
218 | |
---|
219 | // Branch History Table |
---|
220 | if (param._have_bht) |
---|
221 | { |
---|
222 | for (uint32_t i=0; i<param._nb_prediction; i++) |
---|
223 | TEST(Taddress_t,PREDICT_BHT_ADDRESS [i].read(),(predict_address & gen_mask<Taddress_t>(param._bht_size_address))); |
---|
224 | |
---|
225 | for (uint32_t i=0; i<param._nb_branch_complete; i++) |
---|
226 | TEST(Taddress_t,BRANCH_COMPLETE_BHT_ADDRESS [i].read(),(branch_complete_address & gen_mask<Taddress_t>(param._bht_size_address))); |
---|
227 | } |
---|
228 | |
---|
229 | // Pattern History Table |
---|
230 | if (param._have_pht) |
---|
231 | { |
---|
232 | uint32_t shift = (param._have_bht==false)?0:(param._pht_size_address_shift); |
---|
233 | |
---|
234 | for (uint32_t i=0; i<param._nb_prediction; i++) |
---|
235 | TEST(Taddress_t,PREDICT_PHT_ADDRESS [i].read(),(((predict_address << shift) xor predict_bht_history) & gen_mask<Taddress_t>(param._pht_size_address))); |
---|
236 | for (uint32_t i=0; i<param._nb_branch_complete; i++) |
---|
237 | TEST(Taddress_t,BRANCH_COMPLETE_PHT_ADDRESS [i].read(), (((branch_complete_address << shift) xor branch_complete_bht_history) & gen_mask<Taddress_t>(param._pht_size_address))); |
---|
238 | } |
---|
239 | |
---|
240 | sc_start(1); |
---|
241 | } |
---|
242 | /******************************************************** |
---|
243 | * Simulation - End |
---|
244 | ********************************************************/ |
---|
245 | |
---|
246 | cout << "<" << name << "> ............ Stop Simulation" << endl; |
---|
247 | |
---|
248 | #endif |
---|
249 | |
---|
250 | delete _Two_Level_Branch_Predictor_Glue; |
---|
251 | } |
---|