[27] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?> |
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| 2 | |
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| 3 | <description> |
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| 4 | |
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| 5 | <comment> |
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| 6 | Ce composant décrit un prédicteur de branchement à deux niveaux |
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| 7 | </comment> |
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| 8 | |
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| 9 | <entity name="two_level_branch_predictor" |
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| 10 | type="Two_Level_Branch_Predictor" |
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| 11 | schema="1" > |
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| 12 | |
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| 13 | <port name="clock" |
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| 14 | localisation="west" |
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| 15 | direction="in"> |
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| 16 | Port d'horloge |
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| 17 | </port> |
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| 18 | <port name="predict" |
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| 19 | localisation="west" |
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| 20 | direction="in"> |
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| 21 | Interface de prediction : demande de la direction pour une adresse |
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| 22 | </port> |
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| 23 | <port name="branch_complete" |
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| 24 | localisation="east" |
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[32] | 25 | direction="out"> |
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[27] | 26 | Interface de mise à jour des branchement |
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| 27 | </port> |
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| 28 | |
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| 29 | </entity> |
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| 30 | |
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| 31 | <architecture> |
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| 32 | <component name="branch_history_table" |
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| 33 | type="Branch_History_Table" |
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| 34 | size_x="10" |
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| 35 | pos_x="50" |
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| 36 | size_y="10" |
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| 37 | pos_y="20" > |
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| 38 | |
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| 39 | <port_map name="clock" |
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| 40 | component="two_level_branch_predictor" |
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| 41 | port="clock" /> |
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| 42 | <port_map name="predict" |
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| 43 | component="two_level_branch_predictor" |
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| 44 | port="predict"/> |
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[32] | 45 | |
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| 46 | <port_map name="interne" |
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| 47 | component="two_level_branch_predictor_glue" |
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| 48 | port="interne"/> |
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| 49 | |
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[27] | 50 | <port_map name="branch_complete" |
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| 51 | component="two_level_branch_predictor" |
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| 52 | port="branch_complete" /> |
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| 53 | |
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| 54 | </component> |
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| 55 | |
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| 56 | <component name="pattern_history_table" |
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| 57 | type="Pattern_History_Table" |
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| 58 | size_x="10" |
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| 59 | pos_x="50" |
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| 60 | size_y="10" |
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| 61 | pos_y="80" > |
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| 62 | |
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| 63 | <port_map name="clock" |
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| 64 | component="two_level_branch_predictor" |
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| 65 | port="clock" /> |
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| 66 | <port_map name="predict" |
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| 67 | component="two_level_branch_predictor" |
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| 68 | port="predict"/> |
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| 69 | <port_map name="branch_complete" |
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| 70 | component="two_level_branch_predictor" |
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| 71 | port="branch_complete" /> |
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| 72 | |
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| 73 | </component> |
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| 74 | |
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| 75 | <component name="two_level_branch_predictor_glue" |
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| 76 | type="Two_Level_Branch_Predictor_Glue" |
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| 77 | size_x="10" |
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| 78 | pos_x="50" |
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| 79 | size_y="10" |
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| 80 | pos_y="50" > |
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| 81 | |
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[32] | 82 | <port_map name="interne" |
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| 83 | component="branch_history_table" |
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| 84 | port="interne"/> |
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[27] | 85 | <port_map name="predict" |
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| 86 | component="two_level_branch_predictor" |
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| 87 | port="predict" /> |
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| 88 | <port_map name="branch_complete" |
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| 89 | component="two_level_branch_predictor" |
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| 90 | port="branch_complete" /> |
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| 91 | |
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| 92 | </component> |
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| 93 | |
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| 94 | </architecture> |
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| 95 | |
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| 96 | </description> |
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