[78] | 1 | #ifdef SYSTEMC |
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| 2 | /* |
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| 3 | * $Id: Load_Store_pointer_unit_genMealy_retire.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/Rename_unit/Load_Store_pointer_unit/include/Load_Store_pointer_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 rename_unit { |
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| 17 | namespace load_store_pointer_unit { |
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| 18 | |
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| 19 | |
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| 20 | #undef FUNCTION |
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| 21 | #define FUNCTION "Load_Store_pointer_unit::genMealy_retire" |
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| 22 | void Load_Store_pointer_unit::genMealy_retire (void) |
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| 23 | { |
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| 24 | log_printf(FUNC,Load_Store_pointer_unit,FUNCTION,"Begin"); |
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| 25 | |
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| 26 | bool use_lsq [_param->_nb_load_store_queue]; |
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| 27 | for (uint32_t i=0; i<_param->_nb_load_store_queue; i++) |
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| 28 | use_lsq [i] = false; |
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| 29 | |
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| 30 | for (uint32_t i=0; i<_param->_nb_inst_retire; i++) |
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| 31 | { |
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| 32 | Tcontrol_t ack = false; |
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[88] | 33 | Tcontrol_t use_sq = PORT_READ(in_RETIRE_USE_STORE_QUEUE [i]); |
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| 34 | Tcontrol_t use_lq = PORT_READ(in_RETIRE_USE_LOAD_QUEUE [i]); |
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| 35 | if ( (PORT_READ(in_RETIRE_VAL [i]) == true) and (use_sq or use_lq)) |
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| 36 | // (PORT_READ(in_RETIRE_TYPE [i]) == TYPE_MEMORY)) |
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[78] | 37 | { |
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| 38 | Tcontext_t front_end_id = (_param->_have_port_front_end_id)?PORT_READ(in_RETIRE_FRONT_END_ID [i]):0; |
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| 39 | Tcontext_t context_id = (_param->_have_port_context_id )?PORT_READ(in_RETIRE_CONTEXT_ID [i]):0; |
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| 40 | uint32_t lsq = _param->_link_load_store_unit_with_thread[front_end_id][context_id]; |
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| 41 | |
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| 42 | // Test if a previous instruction use the same lsq |
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| 43 | // Authorize once memory access by load store unit |
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| 44 | if (use_lsq [lsq] == false) |
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| 45 | { |
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| 46 | use_lsq [lsq] = true; |
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| 47 | ack = true; |
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| 48 | |
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| 49 | uint32_t ptr; |
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| 50 | |
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| 51 | // operation became of decod_stage. Also operation is != store_head_ok and store_head_ko |
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[88] | 52 | // if (is_operation_memory_store(PORT_READ(in_RETIRE_OPERATION [i]))) |
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| 53 | if (use_sq) |
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[78] | 54 | { |
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| 55 | internal_RETIRE_OPERATION_USE [i] = OPERATION_USE_STORE_QUEUE; |
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| 56 | |
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| 57 | ptr = PORT_READ(in_RETIRE_STORE_QUEUE_PTR_WRITE [i]); |
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| 58 | } |
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| 59 | else |
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| 60 | { |
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| 61 | internal_RETIRE_OPERATION_USE [i] = OPERATION_USE_LOAD_QUEUE; |
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| 62 | |
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| 63 | ptr = (_param->_have_port_load_queue_ptr)?PORT_READ(in_RETIRE_LOAD_QUEUE_PTR_WRITE [i]):0; |
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| 64 | } |
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| 65 | |
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| 66 | internal_RETIRE_LSQ [i] = lsq; |
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| 67 | internal_RETIRE_PTR [i] = ptr; |
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| 68 | } |
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| 69 | } |
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| 70 | else |
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| 71 | { |
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| 72 | ack = true; |
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| 73 | |
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| 74 | internal_RETIRE_OPERATION_USE [i] = OPERATION_USE_NONE; |
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| 75 | } |
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| 76 | |
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| 77 | // Write output |
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| 78 | internal_RETIRE_ACK [i] = ack; |
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| 79 | PORT_WRITE(out_RETIRE_ACK [i], ack); |
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| 80 | } |
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| 81 | |
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| 82 | log_printf(FUNC,Load_Store_pointer_unit,FUNCTION,"End"); |
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| 83 | }; |
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| 84 | |
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| 85 | }; // end namespace load_store_pointer_unit |
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| 86 | }; // end namespace rename_unit |
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| 87 | }; // end namespace ooo_engine |
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| 88 | }; // end namespace multi_ooo_engine |
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| 89 | }; // end namespace core |
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| 90 | |
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| 91 | }; // end namespace behavioural |
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| 92 | }; // end namespace morpheo |
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| 93 | #endif |
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