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Hi, I am getting errors like below: Trace ERROR: No traces can be added once simulation has started. To add traces, create a new vcd trace file. Code of memory.cpp corresponding to error: Memory::Memory(sc_core::sc_module_name name, unsigned int size) : sc_module(name), m_size(size) { tf = sc_core::sc_create_vcd_trace_file("trace_data1"); // tracing, trace file creation tf->set_time_unit(10, sc_core::SC_US); storage = new ensitlm::data_t[size/sizeof(ensitlm::data_t)]; } // Destructor Memory::~Memory() { // close trace file sc_close_vcd_trace_file(tf); delete [] storage; } // Read transactions tlm::tlm_response_status Memory::read(ensitlm::addr_t a, ensitlm::data_t& d) { // Check if the address is within memory bounds if (a >= m_size) { sleep(5); return tlm::TLM_ADDRESS_ERROR_RESPONSE; } else { d = storage[a/sizeof(ensitlm::data_t)]; sc_trace(tf, d ,"d"); return tlm::TLM_OK_RESPONSE; } } // Write transactions tlm::tlm_response_status Memory::write(ensitlm::addr_t a, ensitlm::data_t d) { // Check if the address is within memory bounds if (a >= m_size) { sleep(5); return tlm::TLM_ADDRESS_ERROR_RESPONSE; } else { storage[a/sizeof(ensitlm::data_t)] = d; return tlm::TLM_OK_RESPONSE; } } code of memory.h : SC_MODULE(Memory) { ensitlm::target_socket<Memory> target; sc_core::sc_trace_file *tf; Memory(sc_core::sc_module_name name, unsigned int size); ~Memory(); tlm::tlm_response_status read(ensitlm::addr_t a, ensitlm::data_t& d); tlm::tlm_response_status write(ensitlm::addr_t a, ensitlm::data_t d); private: unsigned int m_size; public: /* The loader must have access to the storage */ ensitlm::data_t* storage; }; #endif Please tell me the reasons behind these errors Regards Hakimelectronics
