1 | #ifdef SYSTEMC |
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2 | /* |
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3 | * $Id: Functionnal_unit_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/Core/Multi_Execute_loop/Execute_loop/Multi_Execute_unit/Execute_unit/Functionnal_unit/include/Functionnal_unit.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 core { |
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14 | namespace multi_execute_loop { |
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15 | namespace execute_loop { |
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16 | namespace multi_execute_unit { |
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17 | namespace execute_unit { |
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18 | namespace functionnal_unit { |
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19 | |
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20 | |
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21 | #undef FUNCTION |
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22 | #define FUNCTION "Functionnal_unit::genMealy" |
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23 | void Functionnal_unit::genMealy (void) |
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24 | { |
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25 | log_begin(Functionnal_unit,FUNCTION); |
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26 | log_function(Functionnal_unit,FUNCTION,_name.c_str()); |
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27 | |
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28 | if (PORT_READ(in_NRESET) != 0) |
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29 | { |
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30 | { |
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31 | // Can out if : have an instruction and is finish (latence == 0) |
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32 | internal_EXECUTE_OUT_VAL = (reg_BUSY_OUT and (_execute_operation_out->_timing._latence == 0)); |
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33 | } |
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34 | |
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35 | { |
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36 | // Can accept an instruction if : |
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37 | // * pipeline in is not busy (not previous instruction) |
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38 | // * pipeline in is busy ( previous instruction) and the instruction go to pipeline out |
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39 | if (_param->_have_pipeline_in) |
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40 | { |
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41 | internal_EXECUTE_IN_ACK = (not reg_BUSY_IN or |
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42 | (reg_BUSY_IN and (not reg_BUSY_OUT or |
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43 | (internal_EXECUTE_OUT_VAL and PORT_READ(in_EXECUTE_OUT_ACK))))); |
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44 | } |
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45 | else |
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46 | { |
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47 | internal_EXECUTE_IN_ACK = (not reg_BUSY_OUT or |
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48 | (internal_EXECUTE_OUT_VAL and PORT_READ(in_EXECUTE_OUT_ACK))); |
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49 | } |
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50 | } |
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51 | } |
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52 | else |
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53 | { |
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54 | // RESET |
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55 | internal_EXECUTE_IN_ACK = 0; |
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56 | internal_EXECUTE_OUT_VAL = 0; |
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57 | } |
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58 | |
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59 | // Write Output |
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60 | PORT_WRITE(out_EXECUTE_IN_ACK , internal_EXECUTE_IN_ACK); |
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61 | PORT_WRITE(out_EXECUTE_OUT_VAL, internal_EXECUTE_OUT_VAL); |
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62 | |
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63 | log_end(Functionnal_unit,FUNCTION); |
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64 | }; |
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65 | |
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66 | }; // end namespace functionnal_unit |
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67 | }; // end namespace execute_unit |
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68 | }; // end namespace multi_execute_unit |
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69 | }; // end namespace execute_loop |
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70 | }; // end namespace multi_execute_loop |
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71 | }; // end namespace core |
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72 | }; // end namespace behavioural |
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73 | }; // end namespace morpheo |
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74 | #endif |
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