ARM Packages: Fixed line endings

[mirror_edk2.git] / ArmPkg / Library / BdsLib / BdsAppLoader.c

/** @file\r
*\r
*  Copyright (c) 2011-2012, ARM Limited. All rights reserved.\r
*\r
*  This program and the accompanying materials\r
*  are licensed and made available under the terms and conditions of the BSD License\r
*  which accompanies this distribution.  The full text of the license may be found at\r
*  http://opensource.org/licenses/bsd-license.php\r
*\r
*  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
*  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
*\r
**/\r
\r
#include "BdsInternal.h"\r
\r
//#include <Library/DxeServicesLib.h>\r
\r
STATIC\r
EFI_STATUS\r
BdsLoadFileFromFirmwareVolume (\r
  IN  EFI_HANDLE      FvHandle,\r
  IN  CHAR16    *FilePath,\r
  IN  EFI_FV_FILETYPE FileTypeFilter,\r
  OUT EFI_DEVICE_PATH     **EfiAppDevicePath\r
  )\r
{\r
  EFI_FIRMWARE_VOLUME2_PROTOCOL *FvProtocol;\r
  VOID                          *Key;\r
  EFI_STATUS                    Status, FileStatus;\r
  EFI_GUID                      NameGuid;\r
  EFI_FV_FILETYPE               FileType;\r
  EFI_FV_FILE_ATTRIBUTES        Attributes;\r
  UINTN                         Size;\r
  UINTN                         UiStringLen;\r
  CHAR16                        *UiSection;\r
  UINT32                        Authentication;\r
  EFI_DEVICE_PATH               *FvDevicePath;\r
  MEDIA_FW_VOL_FILEPATH_DEVICE_PATH    FileDevicePath;\r
\r
  Status = gBS->HandleProtocol (FvHandle,&gEfiFirmwareVolume2ProtocolGuid, (VOID **)&FvProtocol);\r
  if (EFI_ERROR(Status)) {\r
    return Status;\r
  }\r
\r
  // Length of FilePath\r
  UiStringLen = StrLen (FilePath);\r
\r
  // Allocate Key\r
  Key = AllocatePool (FvProtocol->KeySize);\r
  ASSERT (Key != NULL);\r
  ZeroMem (Key, FvProtocol->KeySize);\r
\r
  do {\r
    // Search in all files\r
    FileType = FileTypeFilter;\r
\r
    Status = FvProtocol->GetNextFile (FvProtocol, Key, &FileType, &NameGuid, &Attributes, &Size);\r
    if (!EFI_ERROR (Status)) {\r
      UiSection = NULL;\r
      FileStatus = FvProtocol->ReadSection (\r
                    FvProtocol,\r
                    &NameGuid,\r
                    EFI_SECTION_USER_INTERFACE,\r
                    0,\r
                    (VOID **)&UiSection,\r
                    &Size,\r
                    &Authentication\r
                    );\r
      if (!EFI_ERROR (FileStatus)) {\r
        if (StrnCmp (FilePath, UiSection, UiStringLen) == 0) {\r
          //\r
          // We found a UiString match.\r
          //\r
          Status = gBS->HandleProtocol (FvHandle, &gEfiDevicePathProtocolGuid, (VOID **)&FvDevicePath);\r
\r
          // Generate the Device Path for the file\r
          //DevicePath = DuplicateDevicePath(FvDevicePath);\r
          EfiInitializeFwVolDevicepathNode (&FileDevicePath, &NameGuid);\r
          *EfiAppDevicePath = AppendDevicePathNode (FvDevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&FileDevicePath);\r
\r
          FreePool (Key);\r
          FreePool (UiSection);\r
          return FileStatus;\r
        }\r
        FreePool (UiSection);\r
      }\r
    }\r
  } while (!EFI_ERROR (Status));\r
\r
  FreePool(Key);\r
  return Status;\r
}\r
\r
/**\r
  Start an EFI Application from any Firmware Volume\r
\r
  @param  EfiApp                EFI Application Name\r
\r
  @retval EFI_SUCCESS           All drivers have been connected\r
  @retval EFI_NOT_FOUND         The Linux kernel Device Path has not been found\r
  @retval EFI_OUT_OF_RESOURCES  There is not enough resource memory to store the matching results.\r
\r
**/\r
EFI_STATUS\r
BdsLoadApplication (\r
  IN EFI_HANDLE                  ParentImageHandle,\r
  IN CHAR16*                     EfiApp,\r
  IN UINTN                       LoadOptionsSize,\r
  IN VOID*                       LoadOptions\r
  )\r
{\r
  EFI_STATUS                      Status;\r
  UINTN                           NoHandles, HandleIndex;\r
  EFI_HANDLE                      *Handles;\r
  EFI_DEVICE_PATH                 *EfiAppDevicePath;\r
\r
  // Need to connect every drivers to ensure no dependencies are missing for the application\r
  Status = BdsConnectAllDrivers();\r
  if (EFI_ERROR(Status)) {\r
    DEBUG ((EFI_D_ERROR, "FAIL to connect all drivers\n"));\r
    return Status;\r
  }\r
\r
  // Search the application in any Firmware Volume\r
  Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiFirmwareVolume2ProtocolGuid, NULL, &NoHandles, &Handles);\r
  if (EFI_ERROR (Status) || (NoHandles == 0)) {\r
    DEBUG ((EFI_D_ERROR, "FAIL to find Firmware Volume\n"));\r
    return Status;\r
  }\r
\r
  // Search in all Firmware Volume for the EFI Application\r
  for (HandleIndex = 0; HandleIndex < NoHandles; HandleIndex++) {\r
    EfiAppDevicePath = NULL;\r
    Status = BdsLoadFileFromFirmwareVolume (Handles[HandleIndex], EfiApp, EFI_FV_FILETYPE_APPLICATION, &EfiAppDevicePath);\r
    if (!EFI_ERROR (Status)) {\r
      // Start the application\r
      Status = BdsStartEfiApplication (ParentImageHandle, EfiAppDevicePath, LoadOptionsSize, LoadOptions);\r
      return Status;\r
    }\r
  }\r
\r
  return Status;\r
}\r