1 | #ifdef SYSTEMC |
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2 | /* |
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3 | * $Id: Reexecute_unit_must_reexecute.cpp 88 2008-12-10 18:31:39Z 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_OOO_Engine/OOO_Engine/Reexecute_unit/include/Reexecute_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_ooo_engine { |
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15 | namespace ooo_engine { |
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16 | namespace reexecute_unit { |
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17 | |
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18 | |
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19 | #undef FUNCTION |
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20 | #define FUNCTION "Reexecute_unit::must_reexecute" |
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21 | bool Reexecute_unit::must_reexecute (Tspr_address_t address, info_t & info) |
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22 | { |
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23 | log_begin(Reexecute_unit,FUNCTION); |
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24 | |
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25 | // Test if need reexecute |
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26 | if (info.spr_wen) |
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27 | { |
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28 | // ***** SPR WRITE ***** |
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29 | |
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30 | Tspr_address_t num_group = (address >> _param->_shift_spr_num_group) & _param->_mask_spr_num_group; |
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31 | Tspr_address_t num_reg = (address ) & _param->_mask_spr_num_reg ; |
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32 | |
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33 | switch (num_group) |
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34 | { |
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35 | case GROUP_DCACHE : |
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36 | { |
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37 | info.type = TYPE_MEMORY; |
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38 | info.write_rd = 0; |
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39 | |
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40 | switch (num_reg) |
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41 | { |
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42 | case SPR_DCBPR : {info.reexecute = true; info.operation = OPERATION_MEMORY_PREFETCH ; break;} |
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43 | case SPR_DCBFR : {info.reexecute = true; info.operation = OPERATION_MEMORY_FLUSH ; break;} |
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44 | case SPR_DCBIR : {info.reexecute = true; info.operation = OPERATION_MEMORY_INVALIDATE; break;} |
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45 | // case SPR_DCBWR : {info.reexecute = true; info.operation = OPERATION_MEMORY_FLUSH ; break;} |
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46 | case SPR_DCBLR : {info.reexecute = true; info.operation = OPERATION_MEMORY_LOCK ; break;} |
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47 | default : |
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48 | { |
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49 | info.reexecute = false; |
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50 | break; |
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51 | } |
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52 | } |
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53 | |
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54 | break; |
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55 | } |
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56 | default : |
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57 | { |
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58 | info.reexecute = false; |
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59 | break; |
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60 | } |
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61 | } |
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62 | } |
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63 | else |
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64 | { |
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65 | // ***** SPR READ ***** |
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66 | info.reexecute = true; |
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67 | info.type = TYPE_ALU; |
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68 | info.operation = OPERATION_ALU_L_OR; |
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69 | info.write_rd = 1; |
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70 | } |
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71 | |
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72 | log_end(Reexecute_unit,FUNCTION); |
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73 | |
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74 | return info.reexecute; |
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75 | } |
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76 | |
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77 | }; // end namespace reexecute_unit |
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78 | }; // end namespace ooo_engine |
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79 | }; // end namespace multi_ooo_engine |
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80 | }; // end namespace core |
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81 | |
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82 | }; // end namespace behavioural |
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83 | }; // end namespace morpheo |
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84 | #endif |
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85 | |
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86 | |
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