#ifdef SYSTEMC /* * $Id: Rename_select_genMealy.cpp 111 2009-02-27 18:37:40Z rosiere $ * * [ Description ] * */ #include "Behavioural/Core/Multi_OOO_Engine/OOO_Engine/Rename_unit/Rename_select/include/Rename_select.h" namespace morpheo { namespace behavioural { namespace core { namespace multi_ooo_engine { namespace ooo_engine { namespace rename_unit { namespace rename_select { #undef FUNCTION #define FUNCTION "Rename_select::genMealy" void Rename_select::genMealy (void) { log_begin(Rename_select,FUNCTION); log_function(Rename_select,FUNCTION,_name.c_str()); Tcontrol_t val [_param->_nb_inst_rename]; Tcontrol_t ack [_param->_nb_front_end][_param->_max_nb_inst_decod]; Tcontrol_t previous_transaction [_param->_nb_front_end]; for (uint32_t i=0; i<_param->_nb_inst_rename; ++i) val [i] = false; for (uint32_t i=0; i<_param->_nb_front_end; i++) { previous_transaction [i] = true; for (uint32_t j=0; j<_param->_nb_inst_decod[i]; j++) ack [i][j] = false; } std::list * select = _priority->select(); std::list::iterator it=select->begin(); for (uint32_t i=0; i<_param->_nb_inst_rename; i++) { log_printf(TRACE,Rename_select,FUNCTION," * RENAME_OUT [%d]",i); // Scan all instruction until find while ((it != select->end()) and (val [i] == false)) { Tcontext_t x = it->grp; uint32_t y = it->elt; log_printf(TRACE,Rename_select,FUNCTION," * front_end[%d].inst_decod[%d]",x,y); log_printf(TRACE,Rename_select,FUNCTION," * rename_in_val : %d",PORT_READ(in_RENAME_IN_VAL[x][y])); log_printf(TRACE,Rename_select,FUNCTION," * previous_transaction : %d",previous_transaction[x]); // Test if this instruction is valid and if all previous instruction of this front end is an valid transaction if (previous_transaction [x] and PORT_READ(in_RENAME_IN_VAL[x][y])) { // Find !!! val [i] = true; ack [x][y] = PORT_READ(in_RENAME_OUT_ACK [i]); log_printf(TRACE,Rename_select,FUNCTION," * rename_out_ack : %d",PORT_READ(in_RENAME_OUT_ACK[i])); Tcontext_t front_end_id = (_param->_have_port_front_end_id)?PORT_READ(in_RENAME_IN_FRONT_END_ID [x][y]):0; Tcontext_t context_id = (_param->_have_port_context_id )?PORT_READ(in_RENAME_IN_CONTEXT_ID [x][y]):0; Tcontrol_t no_execute = (PORT_READ(in_RENAME_IN_NO_EXECUTE [x][y])); // Tcontrol_t read_ra = (PORT_READ(in_RENAME_IN_READ_RA [x][y])); // Tcontrol_t read_rb = (PORT_READ(in_RENAME_IN_READ_RB [x][y])); // Tcontrol_t read_rc = (PORT_READ(in_RENAME_IN_READ_RC [x][y])); // Tcontrol_t write_rd = (PORT_READ(in_RENAME_IN_WRITE_RD [x][y])); // Tcontrol_t write_re = (PORT_READ(in_RENAME_IN_WRITE_RE [x][y])); // Test if ROB is Flushed Tevent_state_t event_state = PORT_READ(in_RETIRE_EVENT_STATE [front_end_id][context_id]); Tcontrol_t can_register_access = (event_state == EVENT_STATE_NO_EVENT); Tcontrol_t read_ra = (PORT_READ(in_RENAME_IN_READ_RA [x][y]) and can_register_access); Tcontrol_t read_rb = (PORT_READ(in_RENAME_IN_READ_RB [x][y]) and can_register_access); Tcontrol_t read_rc = (PORT_READ(in_RENAME_IN_READ_RC [x][y]) and can_register_access); Tcontrol_t write_rd = (PORT_READ(in_RENAME_IN_WRITE_RD [x][y]) and can_register_access); Tcontrol_t write_re = (PORT_READ(in_RENAME_IN_WRITE_RE [x][y]) and can_register_access); if (_param->_have_port_front_end_id) PORT_WRITE(out_RENAME_OUT_FRONT_END_ID [i],front_end_id); if (_param->_have_port_context_id) PORT_WRITE(out_RENAME_OUT_CONTEXT_ID [i],context_id); if (_param->_have_port_depth) PORT_WRITE(out_RENAME_OUT_DEPTH [i],PORT_READ(in_RENAME_IN_DEPTH [x][y])); PORT_WRITE(out_RENAME_OUT_TYPE [i],PORT_READ(in_RENAME_IN_TYPE [x][y])); PORT_WRITE(out_RENAME_OUT_OPERATION [i],PORT_READ(in_RENAME_IN_OPERATION [x][y])); PORT_WRITE(out_RENAME_OUT_NO_EXECUTE [i],no_execute); PORT_WRITE(out_RENAME_OUT_IS_DELAY_SLOT[i],PORT_READ(in_RENAME_IN_IS_DELAY_SLOT [x][y])); #ifdef DEBUG PORT_WRITE(out_RENAME_OUT_ADDRESS [i],PORT_READ(in_RENAME_IN_ADDRESS [x][y])); #endif PORT_WRITE(out_RENAME_OUT_ADDRESS_NEXT [i],PORT_READ(in_RENAME_IN_ADDRESS_NEXT [x][y])); PORT_WRITE(out_RENAME_OUT_HAS_IMMEDIAT [i],PORT_READ(in_RENAME_IN_HAS_IMMEDIAT [x][y])); PORT_WRITE(out_RENAME_OUT_IMMEDIAT [i],PORT_READ(in_RENAME_IN_IMMEDIAT [x][y])); PORT_WRITE(out_RENAME_OUT_READ_RA [i],read_ra); PORT_WRITE(out_RENAME_OUT_NUM_REG_RA [i],PORT_READ(in_RENAME_IN_NUM_REG_RA [x][y])); PORT_WRITE(out_RENAME_OUT_READ_RB [i],read_rb); PORT_WRITE(out_RENAME_OUT_NUM_REG_RB [i],PORT_READ(in_RENAME_IN_NUM_REG_RB [x][y])); PORT_WRITE(out_RENAME_OUT_READ_RC [i],read_rc); PORT_WRITE(out_RENAME_OUT_NUM_REG_RC [i],PORT_READ(in_RENAME_IN_NUM_REG_RC [x][y])); PORT_WRITE(out_RENAME_OUT_WRITE_RD [i],write_rd); PORT_WRITE(out_RENAME_OUT_NUM_REG_RD [i],PORT_READ(in_RENAME_IN_NUM_REG_RD [x][y])); PORT_WRITE(out_RENAME_OUT_WRITE_RE [i],write_re); PORT_WRITE(out_RENAME_OUT_NUM_REG_RE [i],PORT_READ(in_RENAME_IN_NUM_REG_RE [x][y])); PORT_WRITE(out_RENAME_OUT_EXCEPTION_USE[i],PORT_READ(in_RENAME_IN_EXCEPTION_USE [x][y])); PORT_WRITE(out_RENAME_OUT_EXCEPTION [i],PORT_READ(in_RENAME_IN_EXCEPTION [x][y])); } // ack = 1 if previous_transaction == true and rename_in_val == true and rename_out == true previous_transaction [x] = ack [x][y]; it ++; } } for (uint32_t i=0; i<_param->_nb_inst_rename; ++i) PORT_WRITE(out_RENAME_OUT_VAL [i], val [i]); for (uint32_t i=0; i<_param->_nb_front_end; i++) for (uint32_t j=0; j<_param->_nb_inst_decod[i]; j++) PORT_WRITE(out_RENAME_IN_ACK [i][j], ack [i][j]); log_end(Rename_select,FUNCTION); }; }; // end namespace rename_select }; // end namespace rename_unit }; // end namespace ooo_engine }; // end namespace multi_ooo_engine }; // end namespace core }; // end namespace behavioural }; // end namespace morpheo #endif