#ifdef SYSTEMC /* * $Id: Load_Store_pointer_unit_genMealy_retire.cpp 88 2008-12-10 18:31:39Z rosiere $ * * [ Description ] * */ #include "Behavioural/Core/Multi_OOO_Engine/OOO_Engine/Rename_unit/Load_Store_pointer_unit/include/Load_Store_pointer_unit.h" namespace morpheo { namespace behavioural { namespace core { namespace multi_ooo_engine { namespace ooo_engine { namespace rename_unit { namespace load_store_pointer_unit { #undef FUNCTION #define FUNCTION "Load_Store_pointer_unit::genMealy_retire" void Load_Store_pointer_unit::genMealy_retire (void) { log_printf(FUNC,Load_Store_pointer_unit,FUNCTION,"Begin"); bool use_lsq [_param->_nb_load_store_queue]; for (uint32_t i=0; i<_param->_nb_load_store_queue; i++) use_lsq [i] = false; for (uint32_t i=0; i<_param->_nb_inst_retire; i++) { Tcontrol_t ack = false; Tcontrol_t use_sq = PORT_READ(in_RETIRE_USE_STORE_QUEUE [i]); Tcontrol_t use_lq = PORT_READ(in_RETIRE_USE_LOAD_QUEUE [i]); if ( (PORT_READ(in_RETIRE_VAL [i]) == true) and (use_sq or use_lq)) // (PORT_READ(in_RETIRE_TYPE [i]) == TYPE_MEMORY)) { Tcontext_t front_end_id = (_param->_have_port_front_end_id)?PORT_READ(in_RETIRE_FRONT_END_ID [i]):0; Tcontext_t context_id = (_param->_have_port_context_id )?PORT_READ(in_RETIRE_CONTEXT_ID [i]):0; uint32_t lsq = _param->_link_load_store_unit_with_thread[front_end_id][context_id]; // Test if a previous instruction use the same lsq // Authorize once memory access by load store unit if (use_lsq [lsq] == false) { use_lsq [lsq] = true; ack = true; uint32_t ptr; // operation became of decod_stage. Also operation is != store_head_ok and store_head_ko // if (is_operation_memory_store(PORT_READ(in_RETIRE_OPERATION [i]))) if (use_sq) { internal_RETIRE_OPERATION_USE [i] = OPERATION_USE_STORE_QUEUE; ptr = PORT_READ(in_RETIRE_STORE_QUEUE_PTR_WRITE [i]); } else { internal_RETIRE_OPERATION_USE [i] = OPERATION_USE_LOAD_QUEUE; ptr = (_param->_have_port_load_queue_ptr)?PORT_READ(in_RETIRE_LOAD_QUEUE_PTR_WRITE [i]):0; } internal_RETIRE_LSQ [i] = lsq; internal_RETIRE_PTR [i] = ptr; } } else { ack = true; internal_RETIRE_OPERATION_USE [i] = OPERATION_USE_NONE; } // Write output internal_RETIRE_ACK [i] = ack; PORT_WRITE(out_RETIRE_ACK [i], ack); } log_printf(FUNC,Load_Store_pointer_unit,FUNCTION,"End"); }; }; // end namespace load_store_pointer_unit }; // end namespace rename_unit }; // end namespace ooo_engine }; // end namespace multi_ooo_engine }; // end namespace core }; // end namespace behavioural }; // end namespace morpheo #endif