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