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/** @file
*
* Copyright (c) 2011, ARM Limited. All rights reserved.
*
* This program and the accompanying materials
* are licensed and made available under the terms and conditions of the BSD License
* which accompanies this distribution. The full text of the license may be found at
* http://opensource.org/licenses/bsd-license.php
*
* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
*
**/
#include "BdsInternal.h"
EFI_STATUS
BdsLoadPeCoff (
IN BDS_FILE *EfiAppFile
)
{
EFI_STATUS Status;
EFI_HANDLE ImageHandle;
MEDIA_FW_VOL_FILEPATH_DEVICE_PATH NewNode;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
// Only support loading from FV right now
ASSERT(EfiAppFile->Type == BDS_FILETYPE_FV);
// Generate the Device Path for the file
DevicePath = DuplicateDevicePath(EfiAppFile->DevicePath);
EfiInitializeFwVolDevicepathNode (&NewNode, &(EfiAppFile->File.Fv.Guid));
DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&NewNode);
Status = gBS->LoadImage (TRUE, gImageHandle, DevicePath, NULL, 0, &ImageHandle);
if (!EFI_ERROR (Status)) {
//
// Before calling the image, enable the Watchdog Timer for
// the 5 Minute period
//
gBS->SetWatchdogTimer (5 * 60, 0x0000, 0x00, NULL);
Status = gBS->StartImage (ImageHandle, NULL, NULL);
//
// Clear the Watchdog Timer after the image returns
//
gBS->SetWatchdogTimer (0x0000, 0x0000, 0x0000, NULL);
}
return Status;
}
EFI_STATUS BdsLoadApplicationFromPath(
IN CHAR16* EfiAppPath
) {
EFI_STATUS Status;
BDS_FILE EfiAppFile;
// Need to connect every drivers to ensure no dependencies are missing for the application
Status = BdsConnectAllDrivers();
if (EFI_ERROR(Status)) {
DEBUG ((EFI_D_ERROR, "FAIL to connect all drivers\n"));
return Status;
}
// Locate the application from a device path
Status = BdsLoadFilePath(EfiAppPath, &EfiAppFile);
if (EFI_ERROR(Status)) {
DEBUG ((EFI_D_ERROR, "ERROR: Do not find EFI application %s\n",EfiAppPath));
return Status;
}
// Start the application
Status = BdsLoadPeCoff(&EfiAppFile);
return Status;
}
EFI_STATUS BdsLoadApplication(
IN CHAR16* EfiApp
) {
EFI_STATUS Status;
UINTN NoHandles, HandleIndex;
EFI_HANDLE *Handles;
BDS_FILE EfiAppFile;
// Need to connect every drivers to ensure no dependencies are missing for the application
Status = BdsConnectAllDrivers();
if (EFI_ERROR(Status)) {
DEBUG ((EFI_D_ERROR, "FAIL to connect all drivers\n"));
return Status;
}
// Search the application in any Firmware Volume
Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiFirmwareVolume2ProtocolGuid, NULL, &NoHandles, &Handles);
if (EFI_ERROR (Status) || (NoHandles == 0)) {
DEBUG ((EFI_D_ERROR, "FAIL to find Firmware Volume\n"));
return Status;
}
// Search in all Firmware Volume for the EFI Application
for (HandleIndex = 0; HandleIndex < NoHandles; HandleIndex++) {
Status = BdsLoadFileFromFirmwareVolume(Handles[HandleIndex],EfiApp,EFI_FV_FILETYPE_APPLICATION,&EfiAppFile);
if (!EFI_ERROR (Status)) {
// Start the application
Status = BdsLoadPeCoff(&EfiAppFile);
return Status;
}
}
return Status;
}
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