| 1 | /* |
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| 2 | * $Id$ |
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| 3 | * |
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| 4 | * [ Description ] |
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| 5 | * |
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| 6 | */ |
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| 7 | |
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| 8 | #include "Behavioural/Stage_1_Ifetch/Predictor/Meta_Predictor/Two_Level_Branch_Predictor/include/Parameters.h" |
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| 9 | #include "Behavioural/Stage_1_Ifetch/Predictor/Meta_Predictor/Two_Level_Branch_Predictor/include/Types.h" |
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| 10 | #include <sstream> |
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| 11 | using namespace std; |
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| 12 | |
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| 13 | namespace morpheo { |
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| 14 | namespace behavioural { |
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| 15 | namespace stage_1_ifetch { |
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| 16 | namespace predictor { |
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| 17 | namespace meta_predictor { |
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| 18 | namespace two_level_branch_predictor { |
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| 19 | |
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| 20 | string Parameters::msg_error(void) |
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| 21 | { |
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| 22 | log_printf(FUNC,Two_Level_Branch_Predictor,"msg_error","Begin"); |
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| 23 | |
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| 24 | string msg = ""; |
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| 25 | |
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| 26 | if (is_positive (_nb_prediction) == false) |
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| 27 | { |
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| 28 | msg += " - nb_prediction must be > 0\n"; |
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| 29 | msg += " * nb_prediction : " + toString(_nb_prediction) + "\n"; |
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| 30 | } |
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| 31 | |
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| 32 | if (is_positive (_nb_branch_complete) == false) |
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| 33 | { |
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| 34 | msg += " - nb_branch_complete must be > 0\n"; |
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| 35 | msg += " * nb_branch_complete : " + toString(_nb_branch_complete) + "\n"; |
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| 36 | } |
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| 37 | |
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| 38 | if ((_have_bht or _have_pht) == false) |
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| 39 | { |
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| 40 | msg += " - you have no Branch History Table and no Pattern History Table. You need a less of a BHT or a PHT\n"; |
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| 41 | msg += " * have_bht : " + toString(_have_bht) + "\n"; |
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| 42 | msg += " * have_pht : " + toString(_have_pht) + "\n"; |
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| 43 | } |
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| 44 | |
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| 45 | if ( _have_bht and (_size_address < _bht_size_address)) |
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| 46 | { |
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| 47 | msg += " - the address's size must to large to the number of shifter in the Branch History Table.\n"; |
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| 48 | msg += " * size_address : " + toString(_size_address ) + "\n"; |
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| 49 | msg += " * have_bht : " + toString(_have_bht ) + "\n"; |
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| 50 | msg += " * bht_size_address : " + toString(_bht_size_address) + "\n"; |
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| 51 | msg += " * bht_nb_shifter : " + toString(_bht_nb_shifter ) + "\n"; |
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| 52 | } |
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| 53 | |
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| 54 | if (_have_pht and ( (_size_address < _pht_size_address) or |
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| 55 | (_have_bht and (_pht_size_address < _bht_size_address)))) |
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| 56 | { |
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| 57 | msg += " - the address's size concate with shifter_out must to large to the number of counter in the Pattern History Table.\n"; |
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| 58 | msg += " * size_address : " + toString(_size_address ) + "\n"; |
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| 59 | msg += " * have_bht : " + toString(_have_bht ) + "\n"; |
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| 60 | msg += " * bht_size_address : " + toString(_bht_size_address) + "\n"; |
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| 61 | msg += " * bht_nb_shifter : " + toString(_bht_nb_shifter ) + "\n"; |
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| 62 | msg += " * have_pht : " + toString(_have_bht ) + "\n"; |
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| 63 | msg += " * pht_size_address : " + toString(_pht_size_address) + "\n"; |
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| 64 | msg += " * pht_nb_counter : " + toString(_pht_nb_counter ) + "\n"; |
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| 65 | } |
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| 66 | |
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| 67 | // if ( not _have_bht and (_pht_size_address_share != 0)) |
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| 68 | // { |
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| 69 | // msg += " - you have no Branch History Table but size_address_share is > 0\n"; |
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| 70 | // msg += " * have_bht : " + toString(_have_bht ) + "\n"; |
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| 71 | // msg += " * pht_size_address_share : " + toString(_pht_size_address_share) + "\n"; |
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| 72 | // } |
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| 73 | |
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| 74 | return msg; |
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| 75 | |
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| 76 | log_printf(FUNC,Two_Level_Branch_Predictor,"msg_error","End"); |
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| 77 | }; |
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| 78 | |
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| 79 | }; // end namespace two_level_branch_predictor |
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| 80 | }; // end namespace meta_predictor |
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| 81 | }; // end namespace predictor |
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| 82 | }; // end namespace stage_1_ifetch |
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| 83 | }; // end namespace behavioural |
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| 84 | }; // end namespace morpheo |
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