devicepathfromtext.c

来自「EFI BIOS是Intel提出的下一代的BIOS标准。这里上传的Edk源代码是」· C语言 代码 · 共 2,229 行 · 第 1/4 页

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1234
  )
{
  VENDOR_DEVICE_PATH  *Vendor;

  Vendor = (VENDOR_DEVICE_PATH *) CreateDeviceNode (
                                    MESSAGING_DEVICE_PATH,
                                    MSG_VENDOR_DP,
                                    sizeof (VENDOR_DEVICE_PATH));
  Vendor->Guid = gEfiVT100PlusGuid;

  return (EFI_DEVICE_PATH_PROTOCOL *) Vendor;
}

EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextVenUtf8 (
  IN CHAR16 *TextDeviceNode
  )
{
  VENDOR_DEVICE_PATH  *Vendor;

  Vendor = (VENDOR_DEVICE_PATH *) CreateDeviceNode (
                                    MESSAGING_DEVICE_PATH,
                                    MSG_VENDOR_DP,
                                    sizeof (VENDOR_DEVICE_PATH));
  Vendor->Guid = gEfiVTUTF8Guid;

  return (EFI_DEVICE_PATH_PROTOCOL *) Vendor;
}

EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextUartFlowCtrl (
  IN CHAR16 *TextDeviceNode
  )
{
  CHAR16                        *ValueStr;
  UART_FLOW_CONTROL_DEVICE_PATH *UartFlowControl;

  ValueStr = GetNextParamStr (&TextDeviceNode);
  UartFlowControl = (UART_FLOW_CONTROL_DEVICE_PATH *) CreateDeviceNode (
                                                        MESSAGING_DEVICE_PATH,
                                                        MSG_VENDOR_DP,
                                                        sizeof (UART_FLOW_CONTROL_DEVICE_PATH)
                                                        );

  UartFlowControl->Guid = mEfiDevicePathMessagingUartFlowControlGuid;
  if (EfiStrCmp (ValueStr, L"XonXoff") == 0) {
    UartFlowControl->FlowControlMap = 2;
  } else if (EfiStrCmp (ValueStr, L"Hardware") == 0) {
    UartFlowControl->FlowControlMap = 1;
  } else {
    UartFlowControl->FlowControlMap = 0;

  }

  return (EFI_DEVICE_PATH_PROTOCOL *) UartFlowControl;
}

EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextSAS (
  IN CHAR16 *TextDeviceNode
  )
{
  CHAR16          *AddressStr;
  CHAR16          *LunStr;
  CHAR16          *RTPStr;
  CHAR16          *SASSATAStr;
  CHAR16          *LocationStr;
  CHAR16          *ConnectStr;
  CHAR16          *DriveBayStr;
  CHAR16          *ReservedStr;
  UINT16          Info;
  SAS_DEVICE_PATH *Sas;

  AddressStr  = GetNextParamStr (&TextDeviceNode);
  LunStr      = GetNextParamStr (&TextDeviceNode);
  RTPStr      = GetNextParamStr (&TextDeviceNode);
  SASSATAStr  = GetNextParamStr (&TextDeviceNode);
  LocationStr = GetNextParamStr (&TextDeviceNode);
  ConnectStr  = GetNextParamStr (&TextDeviceNode);
  DriveBayStr = GetNextParamStr (&TextDeviceNode);
  ReservedStr = GetNextParamStr (&TextDeviceNode);
  Info        = 0x0000;
  Sas         = (SAS_DEVICE_PATH *) CreateDeviceNode (
                                       MESSAGING_DEVICE_PATH,
                                       MSG_VENDOR_DP,
                                       sizeof (SAS_DEVICE_PATH)
                                       );

  Sas->Guid         = mEfiDevicePathMessagingSASGuid;
  Xtoi64 (AddressStr, &Sas->SasAddress);
  Xtoi64 (LunStr, &Sas->Lun);
  Sas->RelativeTargetPort = (UINT16) Xtoi (RTPStr);
  if (EfiStrCmp (SASSATAStr, L"NoTopology") == 0)
    ;
  else {
    if (EfiStrCmp (DriveBayStr, L"0") == 0) {
      Info |= 0x0001;
    } else {
      Info |= 0x0002;
      Info |= (Xtoi (DriveBayStr) << 8);
    }

    if (EfiStrCmp (SASSATAStr, L"SATA") == 0) {
      Info |= 0x0010;
    }

    if (EfiStrCmp (LocationStr, L"External") == 0) {
      Info |= 0x0020;
    }

    if (EfiStrCmp (ConnectStr, L"Expanded") == 0) {
      Info |= 0x0040;
    }
  }

  Sas->DeviceTopology = Info;
  Sas->Reserved       = (UINT32) Xtoi (ReservedStr);

  return (EFI_DEVICE_PATH_PROTOCOL *) Sas;
}

EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextDebugPort (
  IN CHAR16 *TextDeviceNode
  )
{
  VENDOR_DEFINED_MESSAGING_DEVICE_PATH  *Vend;

  Vend = (VENDOR_DEFINED_MESSAGING_DEVICE_PATH *) CreateDeviceNode (
                                                    MESSAGING_DEVICE_PATH,
                                                    MSG_VENDOR_DP,
                                                    sizeof (VENDOR_DEFINED_MESSAGING_DEVICE_PATH)
                                                    );

  Vend->Guid = gEfiDebugPortProtocolGuid;

  return (EFI_DEVICE_PATH_PROTOCOL *) Vend;
}

EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextMAC (
  IN CHAR16 *TextDeviceNode
  )
{
  CHAR16                *AddressStr;
  CHAR16                *IfTypeStr;
  UINTN                 Length;
  MAC_ADDR_DEVICE_PATH  *MAC;

  AddressStr    = GetNextParamStr (&TextDeviceNode);
  IfTypeStr     = GetNextParamStr (&TextDeviceNode);
  MAC           = (MAC_ADDR_DEVICE_PATH *) CreateDeviceNode (
                                              MESSAGING_DEVICE_PATH,
                                              MSG_MAC_ADDR_DP,
                                              sizeof (MAC_ADDR_DEVICE_PATH)
                                              );

  MAC->IfType   = (UINT8) Xtoi (IfTypeStr);

  Length = sizeof (EFI_MAC_ADDRESS);
  StrToBuf (&MAC->MacAddress.Addr[0], Length, AddressStr);

  return (EFI_DEVICE_PATH_PROTOCOL *) MAC;
}

EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextIPv4 (
  IN CHAR16 *TextDeviceNode
  )
{
  CHAR16            *RemoteIPStr;
  CHAR16            *ProtocolStr;
  CHAR16            *TypeStr;
  CHAR16            *LocalIPStr;
  IPv4_DEVICE_PATH  *IPv4;

  RemoteIPStr           = GetNextParamStr (&TextDeviceNode);
  ProtocolStr           = GetNextParamStr (&TextDeviceNode);
  TypeStr               = GetNextParamStr (&TextDeviceNode);
  LocalIPStr            = GetNextParamStr (&TextDeviceNode);
  IPv4                  = (IPv4_DEVICE_PATH *) CreateDeviceNode (
                                                 MESSAGING_DEVICE_PATH,
                                                 MSG_IPv4_DP,
                                                 sizeof (IPv4_DEVICE_PATH)
                                                 );

  StrToIPv4Addr (&RemoteIPStr, &IPv4->RemoteIpAddress);
  IPv4->Protocol = (EfiStrCmp (ProtocolStr, L"UDP") == 0) ? (UINT16) 0 : (UINT16) 1;
  if (EfiStrCmp (TypeStr, L"Static") == 0) {
    IPv4->StaticIpAddress = TRUE;
  } else {
    IPv4->StaticIpAddress = FALSE;
  }

  StrToIPv4Addr (&LocalIPStr, &IPv4->LocalIpAddress);

  IPv4->LocalPort       = 0;
  IPv4->RemotePort      = 0;

  return (EFI_DEVICE_PATH_PROTOCOL *) IPv4;
}

EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextIPv6 (
  IN CHAR16 *TextDeviceNode
  )
{
  CHAR16            *RemoteIPStr;
  CHAR16            *ProtocolStr;
  CHAR16            *TypeStr;
  CHAR16            *LocalIPStr;
  IPv6_DEVICE_PATH  *IPv6;

  RemoteIPStr           = GetNextParamStr (&TextDeviceNode);
  ProtocolStr           = GetNextParamStr (&TextDeviceNode);
  TypeStr               = GetNextParamStr (&TextDeviceNode);
  LocalIPStr            = GetNextParamStr (&TextDeviceNode);
  IPv6                  = (IPv6_DEVICE_PATH *) CreateDeviceNode (
                                                 MESSAGING_DEVICE_PATH,
                                                 MSG_IPv6_DP,
                                                 sizeof (IPv6_DEVICE_PATH)
                                                 );

  StrToIPv6Addr (&RemoteIPStr, &IPv6->RemoteIpAddress);
  IPv6->Protocol        = (EfiStrCmp (ProtocolStr, L"UDP") == 0) ? (UINT16) 0 : (UINT16) 1;
  if (EfiStrCmp (TypeStr, L"Static") == 0) {
    IPv6->StaticIpAddress = TRUE;
  } else {
    IPv6->StaticIpAddress = FALSE;
  }

  StrToIPv6Addr (&LocalIPStr, &IPv6->LocalIpAddress);

  IPv6->LocalPort       = 0;
  IPv6->RemotePort      = 0;

  return (EFI_DEVICE_PATH_PROTOCOL *) IPv6;
}

EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextUart (
  IN CHAR16 *TextDeviceNode
  )
{
  CHAR16            *BaudStr;
  CHAR16            *DataBitsStr;
  CHAR16            *ParityStr;
  CHAR16            *StopBitsStr;
  UART_DEVICE_PATH  *Uart;

  BaudStr         = GetNextParamStr (&TextDeviceNode);
  DataBitsStr     = GetNextParamStr (&TextDeviceNode);
  ParityStr       = GetNextParamStr (&TextDeviceNode);
  StopBitsStr     = GetNextParamStr (&TextDeviceNode);
  Uart            = (UART_DEVICE_PATH *) CreateDeviceNode (
                                           MESSAGING_DEVICE_PATH,
                                           MSG_UART_DP,
                                           sizeof (UART_DEVICE_PATH)
                                           );

  Uart->BaudRate  = (EfiStrCmp (BaudStr, L"DEFAULT") == 0) ? 115200 : Atoi (BaudStr);
  Uart->DataBits  = (EfiStrCmp (DataBitsStr, L"DEFAULT") == 0) ? (UINT8) 8 : (UINT8) Atoi (DataBitsStr);
  switch (*ParityStr) {
  case L'D':
    Uart->Parity = 0;
    break;

  case L'N':
    Uart->Parity = 1;
    break;

  case L'E':
    Uart->Parity = 2;
    break;

  case L'O':
    Uart->Parity = 3;
    break;

  case L'M':
    Uart->Parity = 4;
    break;

  case L'S':
    Uart->Parity = 5;

  default:
    Uart->Parity = 0xff;
  }

  if (EfiStrCmp (StopBitsStr, L"D") == 0) {
    Uart->StopBits = (UINT8) 0;
  } else if (EfiStrCmp (StopBitsStr, L"1") == 0) {
    Uart->StopBits = (UINT8) 1;
  } else if (EfiStrCmp (StopBitsStr, L"1.5") == 0) {
    Uart->StopBits = (UINT8) 2;
  } else if (EfiStrCmp (StopBitsStr, L"2") == 0) {
    Uart->StopBits = (UINT8) 3;
  } else {
    Uart->StopBits = 0xff;

  }

  return (EFI_DEVICE_PATH_PROTOCOL *) Uart;
}

EFI_DEVICE_PATH_PROTOCOL *
ConvertFromTextUsbClass (
  IN CHAR16         *TextDeviceNode,
  IN USB_CLASS_TEXT *UsbClassText
  )
{
  CHAR16                *VIDStr;
  CHAR16                *PIDStr;
  CHAR16                *ClassStr;
  CHAR16                *SubClassStr;
  CHAR16                *ProtocolStr;
  USB_CLASS_DEVICE_PATH *UsbClass;

  UsbClass    = (USB_CLASS_DEVICE_PATH *) CreateDeviceNode (
                                            MESSAGING_DEVICE_PATH,
                                            MSG_USB_CLASS_DP,
                                            sizeof (USB_CLASS_DEVICE_PATH)
                                            );

  VIDStr      = GetNextParamStr (&TextDeviceNode);
  PIDStr      = GetNextParamStr (&TextDeviceNode);
  if (UsbClassText->ClassExist) {
    ClassStr = GetNextParamStr (&TextDeviceNode);
    UsbClass->DeviceClass = (UINT8) Xtoi (ClassStr);
  } else {
    UsbClass->DeviceClass = UsbClassText->Class;
  }
  if (UsbClassText->SubClassExist) {
    SubClassStr = GetNextParamStr (&TextDeviceNode);
    UsbClass->DeviceSubClass = (UINT8) Xtoi (SubClassStr);
  } else {
    UsbClass->DeviceSubClass = UsbClassText->SubClass;
  }  

  ProtocolStr = GetNextParamStr (&TextDeviceNode);

  UsbClass->VendorId        = (UINT16) Xtoi (VIDStr);
  UsbClass->ProductId       = (UINT16) Xtoi (PIDStr);
  UsbClass->DeviceProtocol  = (UINT8) Xtoi (ProtocolStr);

  return (EFI_DEVICE_PATH_PROTOCOL *) UsbClass;
}


EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextUsbClass (
  IN CHAR16 *TextDeviceNode
  )
{
  USB_CLASS_TEXT  UsbClassText;

  UsbClassText.ClassExist    = TRUE;
  UsbClassText.SubClassExist = TRUE;

  return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText);
}

EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextUsbAudio (
  IN CHAR16 *TextDeviceNode
  )
{
  USB_CLASS_TEXT  UsbClassText;

  UsbClassText.ClassExist    = FALSE;
  UsbClassText.Class         = USB_CLASS_AUDIO;
  UsbClassText.SubClassExist = TRUE;

  return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText);
}

EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextUsbCDCControl (
  IN CHAR16 *TextDeviceNode
  )
{
  USB_CLASS_TEXT  UsbClassText;

  UsbClassText.ClassExist    = FALSE;
  UsbClassText.Class         = USB_CLASS_CDCCONTROL;
  UsbClassText.SubClassExist = TRUE;

  return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText);
}

EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextUsbHID (
  IN CHAR16 *TextDeviceNode
  )
{
  USB_CLASS_TEXT  UsbClassText;

  UsbClassText.ClassExist    = FALSE;
  UsbClassText.Class         = USB_CLASS_HID;
  UsbClassText.SubClassExist = TRUE;

  return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText);
}

EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextUsbImage (
  IN CHAR16 *TextDeviceNode
  )
{
  USB_CLASS_TEXT  UsbClassText;

  UsbClassText.ClassExist    = FALSE;
  UsbClassText.Class         = USB_CLASS_IMAGE;
  UsbClassText.SubClassExist = TRUE;

  return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText);
}

EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextUsbPrinter (
  IN CHAR16 *TextDeviceNode
  )
{
  USB_CLASS_TEXT  UsbClassText;

  UsbClassText.ClassExist    = FALSE;
  UsbClassText.Class         = USB_CLASS_PRINTER;
  UsbClassText.SubClassExist = TRUE;

  return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText);
}

EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextUsbMassStorage (
  IN CHAR16 *TextDeviceNode
  )
{
  USB_CLASS_TEXT  UsbClassText;

  UsbClassText.ClassExist    = FALSE;
  UsbClassText.Class         = USB_CLASS_MASS_STORAGE;
  UsbClassText.SubClassExist = TRUE;

  return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText);
}

EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextUsbHub (
  IN CHAR16 *TextDeviceNode
  )
{
  USB_CLASS_TEXT  UsbClassText;

  UsbClassText.ClassExist    = FALSE;
  UsbClassText.Class         = USB_CLASS_HUB;
  UsbClassText.SubClassExist = TRUE;

  return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText);
}

EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextUsbCDCData (
  IN CHAR16 *TextDeviceNode
  )
{
  USB_CLASS_TEXT  UsbClassText;

  UsbClassText.ClassExist    = FALSE;
  UsbClassText.Class         = USB_CLASS_CDCDATA;
  UsbClassText.SubClassExist = TRUE;

  return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText);
}

EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextUsbSmartCard (
  IN CHAR16 *TextDeviceNode
  )
{
  USB_CLASS_TEXT  UsbClassText;

  UsbClassText.ClassExist    = FALSE;
  UsbClassText.Class         = USB_CLASS_SMART_CARD;
  UsbClassText.SubClassExist = TRUE;

  return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText);
}

EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextUsbVideo (
  IN CHAR16 *TextDeviceNode
  )
{
  USB_CLASS_TEXT  UsbClassText;

  UsbClassText.ClassExist    = FALSE;
  UsbClassText.Class         = USB_CLASS_VIDEO;
  UsbClassText.SubClassExist = TRUE;

  return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText);
}

EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextUsbDiagnostic (
  IN CHAR16 *TextDeviceNode
  )
{
  USB_CLASS_TEXT  UsbClassText;

  UsbClassText.ClassExist    = FALSE;
  UsbClassText.Class         = USB_CLASS_DIAGNOSTIC;
  UsbClassText.SubClassExist = TRUE;

  return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText);
}

EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextUsbWireless (
  IN CHAR16 *TextDeviceNode
  )
{
  USB_CLASS_TEXT  UsbClassText;

  UsbClassText.ClassExist    = FALSE;
  UsbClassText.Class         = USB_CLASS_WIRELESS;
  UsbClassText.SubClassExist = TRUE;

  return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText);
}

EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextUsbDeviceFirmwareUpdate (
  IN CHAR16 *TextDeviceNode
  )
{
  USB_CLASS_TEXT  UsbClassText;

  UsbClassText.ClassExist    = FALSE;
  UsbClassText.Class         = USB_CLASS_RESERVE;
  UsbClassText.SubClassExist = FALSE;
  UsbClassText.SubClass      = USB_SUBCLASS_FW_UPDATE;

  return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText);
}

EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextUsbIrdaBridge (
  IN CHAR16 *TextDeviceNode
  )
{
  USB_CLASS_TEXT  UsbClassText;

  UsbClassText.ClassExist    = FALSE;
  UsbClassText.Class         = USB_CLASS_RESERVE;
  UsbClassText.SubClassExist = FALSE;
  UsbClassText.SubClass      = USB_SUBCLASS_IRDA_BRIDGE;
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devicepathfromtext.c - 源码说明

本页面展示了「EFI BIOS是Intel提出的下一代的BIOS标准。这里上传的Edk源代码是EFI BIOS源代码中的与平台无关部分的代码」中的 devicepathfromtext.c 源码文件，采用 C语言 编程语言编写，共 2,229 行代码。您可以在线阅读完整代码内容，也可以返回资源详情页下载完整源码包进行本地学习和开发。

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