InOsEmuPkg/Library/DevicePathTextLib/DevicePathTextLib.c

   1 /** @file
   2   Null Platform Hook Library instance.
   3
   4   Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
   5   This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15 #include <Base.h>
  16
  17 #include <Protocol/EmuThunk.h>
  18 #include <Protocol/EmuGraphicsWindow.h>
  19 #include <Protocol/EmuBlockIo.h>
  20 #include <Protocol/SimpleFileSystem.h>
  21 #include <Protocol/EmuThread.h>
  22
  23 #include <Library/DevicePathTextLib.h>
  24 #include <Library/BaseMemoryLib.h>
  25
  26
  27 /**
  28   Converts a Vendor device path structure to its string representative.
  29
  30   @param Str             The string representative of input device.
  31   @param DevPath         The input device path structure.
  32   @param DisplayOnly     If DisplayOnly is TRUE, then the shorter text representation
  33                          of the display node is used, where applicable. If DisplayOnly
  34                          is FALSE, then the longer text representation of the display node
  35                          is used.
  36   @param AllowShortcuts  If AllowShortcuts is TRUE, then the shortcut forms of text
  37                          representation for a device node can be used, where applicable.
  38
  39   @return EFI_NOT_FOUND if no string representation exists.
  40   @return EFI_SUCCESS   a string representation was created.
  41 **/
  42 EFI_STATUS
  43 EFIAPI
  44 DevPathToTextVendorLib (
  45   IN OUT POOL_PRINT  *Str,
  46   IN VOID            *DevPath,
  47   IN BOOLEAN         DisplayOnly,
  48   IN BOOLEAN         AllowShortcuts
  49   )
  50 {
  51   EMU_VENDOR_DEVICE_PATH_NODE  *Vendor;
  52   CHAR16                       *Type;
  53
  54   Vendor = (EMU_VENDOR_DEVICE_PATH_NODE *)DevPath;
  55   if (CompareGuid (&Vendor->VendorDevicePath.Guid, &gEmuThunkProtocolGuid)) {
  56     CatPrint (Str, L"EmuThunk()");
  57     return EFI_SUCCESS;
  58   }
  59   if (CompareGuid (&Vendor->VendorDevicePath.Guid, &gEmuGraphicsWindowProtocolGuid)) {
  60     CatPrint (Str, L"EmuGraphics(%d)", Vendor->Instance);
  61     return EFI_SUCCESS;
  62   }
  63   if (CompareGuid (&Vendor->VendorDevicePath.Guid, &gEfiSimpleFileSystemProtocolGuid)) {
  64     CatPrint (Str, L"EmuFs(%d)", Vendor->Instance);
  65     return EFI_SUCCESS;
  66   }
  67   if (CompareGuid (&Vendor->VendorDevicePath.Guid, &gEmuBlockIoProtocolGuid)) {
  68     CatPrint (Str, L"EmuBlk(%d)", Vendor->Instance);
  69     return EFI_SUCCESS;
  70   }
  71   if (CompareGuid (&Vendor->VendorDevicePath.Guid, &gEmuThreadThunkProtocolGuid)) {
  72     CatPrint (Str, L"EmuThread()");
  73     return EFI_SUCCESS;
  74   }
  75
  76   return EFI_NOT_FOUND;
  77 }
  78