[113] | 1 | #ifdef VHDL |
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| 2 | /* |
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| 3 | * $Id: Comparator_vhdl_xilinx_body.cpp 116 2009-04-30 13:51:41Z moulu $ |
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| 4 | * |
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| 5 | * [ Description ] |
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| 6 | * |
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| 7 | */ |
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| 8 | |
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| 9 | #include "Behavioural/Generic/Comparator/include/Comparator.h" |
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| 10 | |
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| 11 | namespace morpheo { |
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| 12 | namespace behavioural { |
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| 13 | namespace generic { |
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| 14 | namespace comparator { |
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| 15 | |
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| 16 | |
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| 17 | #undef FUNCTION |
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| 18 | #define FUNCTION "Comparator::vhdl_xilinx_body" |
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| 19 | void Comparator::vhdl_xilinx_body (Vhdl * & vhdl) |
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| 20 | { |
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| 21 | log_begin(Comparator,FUNCTION); |
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[116] | 22 | vhdl->set_body (0,"ins_c_compare_v9_0 : c_compare_v9_0"); |
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| 23 | vhdl->set_body (1,"generic map ("); |
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| 24 | vhdl->set_body (2,"c_width => "+toString(_param->_size_data)+","); |
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| 25 | vhdl->set_body (2,"c_data_type => "+toString(!_param->_is_signed)+", -- 0 = signed, 1 = unsigned"); |
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| 26 | std::string print_res_pin = ""; |
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| 27 | switch (_param->_type) |
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| 28 | { |
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| 29 | case COMPARATOR_EQUAL : |
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| 30 | vhdl->set_body (2,"c_has_a_eq_b => 1)"); |
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| 31 | print_res_pin = "a_eq_b"; |
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| 32 | break; |
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| 33 | case COMPARATOR_NOT_EQUAL : |
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| 34 | vhdl->set_body (2,"c_has_a_eq_b => 0,"); |
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| 35 | vhdl->set_body (2,"c_has_a_ne_b => 1)"); |
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| 36 | print_res_pin = "a_ne_b"; |
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| 37 | break; |
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| 38 | case COMPARATOR_GREATER : |
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| 39 | vhdl->set_body (2,"c_has_a_eq_b => 0,"); |
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| 40 | vhdl->set_body (2,"c_has_a_gt_b => 1)"); |
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| 41 | print_res_pin = "a_gt_b"; |
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| 42 | break; |
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| 43 | case COMPARATOR_GREATER_OR_EQUAL : |
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| 44 | vhdl->set_body (2,"c_has_a_eq_b => 0,"); |
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| 45 | vhdl->set_body (2,"c_has_a_ge_b => 1)"); |
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| 46 | print_res_pin = "a_ge_b"; |
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| 47 | break; |
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| 48 | case COMPARATOR_LESS : |
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| 49 | vhdl->set_body (2,"c_has_a_eq_b => 0,"); |
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| 50 | vhdl->set_body (2,"c_has_a_lt_b => 1)"); |
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| 51 | print_res_pin = "a_lt_b"; |
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| 52 | break; |
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| 53 | case COMPARATOR_LESS_OR_EQUAL : |
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| 54 | vhdl->set_body (2,"c_has_a_eq_b => 0,"); |
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| 55 | vhdl->set_body (2,"c_has_a_le_b => 1)"); |
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| 56 | print_res_pin = "a_le_b"; |
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| 57 | break; |
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| 58 | } |
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| 59 | |
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| 60 | vhdl->set_body (1,"port map ("); |
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| 61 | vhdl->set_body (2,"a => in_COMPARE_DATA_0,"); |
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| 62 | vhdl->set_body (2,"b => in_COMPARE_DATA_1,"); |
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| 63 | vhdl->set_body (2,print_res_pin+" => out_COMPARE_TEST);"); |
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| 64 | |
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[113] | 65 | log_end(Comparator,FUNCTION); |
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| 66 | }; |
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| 67 | |
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| 68 | }; // end namespace comparator |
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| 69 | }; // end namespace generic |
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| 70 | |
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| 71 | }; // end namespace behavioural |
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| 72 | }; // end namespace morpheo |
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| 73 | #endif |
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