std::string hw::PCI_Device::to_string() const {
std::stringstream str;
str << PCI::classcode_str(classcode()) << ", "
<< PCI::vendor_str((PCI::vendor_t)vendor_id())
<< std::hex << " ("<< vendor_id() << " / " << product_id() << ")";
return str.str();
};
std::string hw::PCI_Device::to_string() const {
char buffer[512];
int len = snprintf(buffer, sizeof(buffer),
"%s %s (V %#x / P %#x)",
PCI::classcode_str(classcode()),
PCI::vendor_str((PCI::vendor_t)vendor_id()),
vendor_id(), product_id());
return std::string(buffer, len);
}
PCI_Device::PCI_Device(const uint16_t pci_addr,
const uint32_t device_id,
const uint32_t devclass)
: pci_addr_{pci_addr}, device_id_{device_id}
{
// set master, mem and io flags
uint32_t cmd = read_dword(PCI_CMD_REG);
cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEM | PCI_COMMAND_IO;
write_dword(PCI_CMD_REG, cmd);
// device class info is coming from pci manager to save a PCI read
this->devtype_.reg = devclass;
INFO2("|");
switch (PCI::classcode(devtype_.classcode)) {
case PCI::classcode::BRIDGE:
INFO2("+--[ %s, %s, %s (0x%x) ]",
PCI::classcode_str(classcode()),
PCI::vendor_str(vendor_id()),
bridge_subclasses[devtype_.subclass < SS_BR ? devtype_.subclass : SS_BR-1],
devtype_.subclass);
break;
case PCI::classcode::NIC:
INFO2("+--[ %s, %s, %s (0x%x) ]",
PCI::classcode_str(devtype_.classcode),
PCI::vendor_str(vendor_id()),
nic_subclasses[devtype_.subclass < SS_NIC ? devtype_.subclass : SS_NIC-1],
devtype_.subclass);
break;
default:
INFO2("+--[ %s, %s ]",
PCI::classcode_str(devtype_.classcode),
PCI::vendor_str(vendor_id()));
} //< switch (devtype_.classcode)
// bridges are different from other PCI devices
if (classcode() == PCI::classcode::BRIDGE) return;
}
