[113] | 1 | #ifdef SYSTEMC |
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| 2 | /* |
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| 3 | * $Id: Comparator_genMealy.cpp 123 2009-06-08 20:43:30Z rosiere $ |
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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::genMealy" |
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| 19 | void Comparator::genMealy (void) |
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| 20 | { |
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| 21 | log_begin(Comparator,FUNCTION); |
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| 22 | |
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[123] | 23 | if (PORT_READ(in_NRESET)) |
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| 24 | { |
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[113] | 25 | Tcontrol_t test; |
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| 26 | Tdata_t data_0 = PORT_READ(in_COMPARE_DATA_0); |
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| 27 | Tdata_t data_1 = PORT_READ(in_COMPARE_DATA_1); |
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| 28 | |
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| 29 | if (_param->_is_signed) |
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| 30 | { |
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| 31 | int64_t data0 = static_cast<int64_t>(data_0); |
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| 32 | int64_t data1 = static_cast<int64_t>(data_1); |
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| 33 | |
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| 34 | data0 = ((data0 & _param->_mask_sign) != 0)?(_param->_extends|data0):(~_param->_extends & data0); |
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| 35 | data1 = ((data1 & _param->_mask_sign) != 0)?(_param->_extends|data1):(~_param->_extends & data1); |
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| 36 | |
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| 37 | switch (_param->_type) |
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| 38 | { |
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| 39 | case COMPARATOR_EQUAL : test = (data0 == data1); break; |
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| 40 | case COMPARATOR_NOT_EQUAL : test = (data0 != data1); break; |
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| 41 | case COMPARATOR_GREATER : test = (data0 > data1); break; |
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| 42 | case COMPARATOR_GREATER_OR_EQUAL : test = (data0 >= data1); break; |
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| 43 | case COMPARATOR_LESS : test = (data0 < data1); break; |
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| 44 | case COMPARATOR_LESS_OR_EQUAL : test = (data0 <= data1); break; |
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| 45 | } |
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| 46 | } |
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| 47 | else |
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| 48 | { |
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| 49 | uint64_t data0 = ~_param->_extends & static_cast<uint64_t>(data_0); |
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| 50 | uint64_t data1 = ~_param->_extends & static_cast<uint64_t>(data_1); |
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| 51 | |
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| 52 | switch (_param->_type) |
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| 53 | { |
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| 54 | case COMPARATOR_EQUAL : test = (data0 == data1); break; |
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| 55 | case COMPARATOR_NOT_EQUAL : test = (data0 != data1); break; |
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| 56 | case COMPARATOR_GREATER : test = (data0 > data1); break; |
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| 57 | case COMPARATOR_GREATER_OR_EQUAL : test = (data0 >= data1); break; |
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| 58 | case COMPARATOR_LESS : test = (data0 < data1); break; |
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| 59 | case COMPARATOR_LESS_OR_EQUAL : test = (data0 <= data1); break; |
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| 60 | } |
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| 61 | } |
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| 62 | |
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| 63 | log_printf(TRACE,Comparator,FUNCTION," * size_data : %d",_param->_size_data); |
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| 64 | log_printf(TRACE,Comparator,FUNCTION," * extends : %llx",_param->_extends ); |
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| 65 | |
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| 66 | |
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| 67 | log_printf(TRACE,Comparator,FUNCTION," * %.x %s (%d) %x = %d" |
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| 68 | ,data_0 |
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| 69 | ,toString(_param->_type).c_str() |
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| 70 | ,_param->_is_signed |
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| 71 | ,data_1 |
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| 72 | ,test); |
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| 73 | |
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| 74 | PORT_WRITE(out_COMPARE_TEST,test); |
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[123] | 75 | } |
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[113] | 76 | |
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| 77 | log_end(Comparator,FUNCTION); |
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| 78 | }; |
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| 79 | |
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| 80 | }; // end namespace comparator |
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| 81 | }; // end namespace generic |
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| 82 | |
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| 83 | }; // end namespace behavioural |
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| 84 | }; // end namespace morpheo |
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| 85 | #endif |
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