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/** @file
*
* Copyright (c) 2015, Hisilicon Limited. All rights reserved.
* Copyright (c) 2015, Linaro 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 "IntelBdsPlatform.h"
#include <Library/UefiLib.h>
#include <Library/GenericBdsLib.h>
#include <Protocol/FirmwareVolume2.h>
VOID
EFIAPI
BdsLibBuildOptionFromApp (
IN EFI_HANDLE Handle,
IN OUT LIST_ENTRY *BdsBootOptionList,
IN GUID *FileGuid,
IN CHAR16 *Description
)
{
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
MEDIA_FW_VOL_FILEPATH_DEVICE_PATH ShellNode;
DevicePath = DevicePathFromHandle (Handle);
//
// Build the shell device path
//
EfiInitializeFwVolDevicepathNode (&ShellNode, FileGuid);
DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *) &ShellNode);
//
// Create and register the shell boot option
//
BdsLibRegisterNewOption (BdsBootOptionList, DevicePath, Description, L"BootOrder");
}
EFI_STATUS
EFIAPI
HwBdsLibRegisterAppBootOption (
IN OUT LIST_ENTRY *BdsBootOptionList,
IN GUID *FileGuid,
IN CHAR16 *Description
)
{
EFI_STATUS Status;
UINTN Index;
UINTN FvHandleCount;
EFI_HANDLE *FvHandleBuffer;
EFI_FV_FILETYPE Type;
UINTN Size;
EFI_FV_FILE_ATTRIBUTES Attributes;
UINT32 AuthenticationStatus;
EFI_FIRMWARE_VOLUME2_PROTOCOL *Fv;
UINTN Count = 0;
//
// Check if we have on flash shell
//
gBS->LocateHandleBuffer (
ByProtocol,
&gEfiFirmwareVolume2ProtocolGuid,
NULL,
&FvHandleCount,
&FvHandleBuffer
);
for (Index = 0; Index < FvHandleCount; Index++) {
gBS->HandleProtocol (
FvHandleBuffer[Index],
&gEfiFirmwareVolume2ProtocolGuid,
(VOID **) &Fv
);
Status = Fv->ReadFile (
Fv,
FileGuid,
NULL,
&Size,
&Type,
&Attributes,
&AuthenticationStatus
);
if (EFI_ERROR (Status)) {
//
// Skip if no shell file in the FV
//
continue;
}
//
// Build the shell boot option
//
BdsLibBuildOptionFromApp (FvHandleBuffer[Index], BdsBootOptionList,
FileGuid, Description);
Count++;
}
if (FvHandleCount != 0) {
FreePool (FvHandleBuffer);
}
if (Count == 0) {
return EFI_NOT_FOUND;
}
return EFI_SUCCESS;
}
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