-/**\r
- Transfer the device path string to binary format.\r
-\r
- @param StringPtr The device path string info.\r
-\r
- @retval Device path binary info.\r
-\r
-**/\r
-EFI_DEVICE_PATH_PROTOCOL *\r
-ConvertDevicePathFromText (\r
- IN CHAR16 *StringPtr\r
- )\r
-{\r
- UINTN BufferSize;\r
- EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
- CHAR16 TemStr[2];\r
- UINT8 *DevicePathBuffer;\r
- UINTN Index;\r
- UINT8 DigitUint8;\r
-\r
- ASSERT (StringPtr != NULL);\r
-\r
- BufferSize = StrLen (StringPtr) / 2;\r
- DevicePath = AllocatePool (BufferSize);\r
- ASSERT (DevicePath != NULL);\r
- \r
- //\r
- // Convert from Device Path String to DevicePath Buffer in the reverse order.\r
- //\r
- DevicePathBuffer = (UINT8 *) DevicePath;\r
- for (Index = 0; StringPtr[Index] != L'\0'; Index ++) {\r
- TemStr[0] = StringPtr[Index];\r
- DigitUint8 = (UINT8) StrHexToUint64 (TemStr);\r
- if (DigitUint8 == 0 && TemStr[0] != L'0') {\r
- //\r
- // Invalid Hex Char as the tail.\r
- //\r
- break;\r
- }\r
- if ((Index & 1) == 0) {\r
- DevicePathBuffer [Index/2] = DigitUint8;\r
- } else {\r
- DevicePathBuffer [Index/2] = (UINT8) ((DevicePathBuffer [Index/2] << 4) + DigitUint8);\r
- }\r
- }\r
-\r
- return DevicePath;\r
-}\r
-\r