Ejemplo n.º 1
0
void tlm_dfs::b_transport(ac_tlm2_payload &payload,
                          sc_core::sc_time &time_info) {
  int temp;

  time_info = time_info + sc_core::sc_time(TIME_DFS, SC_NS);

  uint32_t addr = (uint32_t)payload.get_address();
  unsigned char *d = payload.get_data_ptr();

  tlm_command command = payload.get_command();

  unsigned int procId = payload.get_streaming_width();

  if (measures)
    count_dfs++;

  uint32_t *T = reinterpret_cast<uint32_t *>(d);

  switch (command) {
  case TLM_READ_COMMAND:

    T[0] = getPowerState(procId);

    if (DFS_DEBUG) {
      printf("\nDFS: tlm_dfs received a READ request from processor %d",
             procId);
      printf("\nDFS: Current Power State -> %d", T[0]); //*d);
    }

    payload.set_response_status(tlm::TLM_OK_RESPONSE);
    break;
  case TLM_WRITE_COMMAND:

    temp = (int)T[0];

#ifdef AC_GUEST_BIG_ENDIAN
    temp = be32toh(temp);
#endif

    if (DFS_DEBUG) {
      printf("\nDFS: received a WRITE request from processor %d", procId);
      printf("\nDFS: Current Power State -> %d", getPowerState(procId));
      printf("\nDFS: New Required Power State -> %d", temp);
    }

    setPowerState(procId, temp);
    payload.set_response_status(tlm::TLM_OK_RESPONSE);
    break;
  default:
    break;
  }

  if (DFS_DEBUG)
    printf("\ntlm_dfs b_transport returning");

  wait(TIME_DFS, SC_NS);
}
Ejemplo n.º 2
0
void tlm_memory::b_transport(ac_tlm2_payload &payload,
                             sc_core::sc_time &time_info) {

  time_info = time_info + sc_core::sc_time(TIME_MEMORY, SC_NS);

  uint32_t addr = (uint32_t)payload.get_address();
  unsigned char *data_pointer = payload.get_data_ptr();
  unsigned int len = payload.get_data_length();
  /* Novo atributo recuperado - numero do processador */
  unsigned int procId = payload.get_streaming_width();
  tlm_command command = payload.get_command();

  if (MEMORY_DEBUG)
    printf("\nMEMORY TRANSPORT: command--> %d  address--> %d lenght-->%u",
           command, addr, len);

  // if (addr > MEM_SIZE) printf("\nMEMORY TRANSPORT WARNING: address %d out of
  // limits...MEM_SIZE=%d", addr,MEM_SIZE);

  switch (command) {
  case TLM_READ_COMMAND:
    count_read_memory++;
    readm(addr, data_pointer, len);
    /* Incremento de leitura do vetor processors, de acordo com o processador
     * que leu dado */
    if (procId > this->processorsReads.size()) {
      this->processorsReads.resize(procId);
    }
    this->processorsReads[procId] = this->processorsReads[procId] + 1;
    payload.set_response_status(tlm::TLM_OK_RESPONSE);
    break;
  case TLM_WRITE_COMMAND:
    count_write_memory++;
    writem(addr, data_pointer, len);
    if (procId > this->processorsWrites.size()) {
      this->processorsWrites.resize(procId);
    }
    /* Incremento de leitura do vetor processors, de acordo com o processador
     * que escreveu dado */
    this->processorsWrites[procId] = this->processorsWrites[procId] + 1;
    payload.set_response_status(tlm::TLM_OK_RESPONSE);
    break;
  default:
    break;
  }
  if (MEMORY_DEBUG)
    printf("\ntlm_memory b_transport returning...");
}
Ejemplo n.º 3
0
void tlm_dir::b_transport( ac_tlm2_payload &payload, sc_core::sc_time &time_info ) {
   
   tlm_payload_dir_extension *payloadExt;
   time_info = time_info + sc_core::sc_time(1,SC_NS);
   int nCache=-1; 
   bool validation=false;

   tlm::tlm_extension_base* base;
   base = payload.get_extension(0);

   payloadExt = reinterpret_cast<tlm_payload_dir_extension*>(base);

   if(payloadExt != 0)
   {
	    nCache = payloadExt->getnumberCache(); //id do processador
		uint32_t address =-1;
		address= payloadExt->getAddress(); //endereco do dado armazenado
		int cacheIndex = payloadExt->getCacheIndex(); //indice do vetor da cache
		int rule = payloadExt->getRule(); //comando requisitado
		if(rule == 0){
			int nWay = payloadExt->getNWay();
			int index_size = payloadExt->getIndex_size();
			dir->start(nWay, index_size);
		}
		if(rule == 1) //Cache leu dado da memoria, atualizar valor no diretorio
		{
			dir->validate(nCache, address, cacheIndex);
		}
		if(rule==2) //aconteceu escrita na memoria, invalidar todos os outros processadores diferentes de nCache
		{
			dir->unvalidate(nCache, address, cacheIndex);
		}
		if(rule == 3) //Verificar se dado da cache esta Valido
		{
			validation = dir->checkValidation(nCache, address, cacheIndex);
			payloadExt->setValidation(validation);
		}
	}
   tlm_command command = payload.get_command();
   uint32_t addr = (uint32_t) payload.get_address();
  
   unsigned char* data_pointer = payload.get_data_ptr();
  
   unsigned int len = payload.get_data_length();
   
   unsigned int resp;

   payload.set_response_status(tlm::TLM_OK_RESPONSE);    
   

   return;
    
  }
Ejemplo n.º 4
0
void ac_noc::b_transport(ac_tlm2_payload &payload,
                         sc_core::sc_time &time_info) {

  FLITTYPE nocaddr, memaddr;
  uint32_t addr_m = (uint32_t)payload.get_address();

  addressMap addr = decodeAddress(addr_m);

  nocaddr = addr.nocAddress;
  memaddr = addr_m - addr.startaddress;

  unsigned char *data_pointer = payload.get_data_ptr();

  unsigned int len = payload.get_data_length();
  tlm_command command = payload.get_command();

  // cout << "comando: " << command << "len: " << len << endl;

  payload.set_response_status(tlm::TLM_OK_RESPONSE);

  uint8_t data8;
  uint16_t data16;
  uint32_t data32;

  switch (command) {

  case TLM_READ_COMMAND: // Packet is a READ one

    sendReadPacket(nocaddr, memaddr);
    // response.data = receiveReadPacket();

    *((uint32_t *)data_pointer) = (uint32_t)receiveReadPacket();

    break;

  case TLM_WRITE_COMMAND: // Packet is a WRITE

    sendWritePacket(nocaddr, memaddr, (*(uint32_t *)data_pointer));
    break;

  default:
    printf("AC_NOC TRANSPORT --> COMMAND %d IS NOT IMPLEMENTED", command);
    break;
  }
}