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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 BdsLoadFileFromSimpleFileSystem(
IN EFI_HANDLE Handle,
IN CHAR16 *FilePath,
OUT BDS_FILE *File
) {
EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *FsProtocol;
EFI_FILE_PROTOCOL *Fs;
EFI_STATUS Status;
EFI_FILE_PROTOCOL *FileHandle = NULL;
if (File == NULL) {
return EFI_INVALID_PARAMETER;
}
Status = gBS->HandleProtocol(Handle,&gEfiSimpleFileSystemProtocolGuid, (VOID **)&FsProtocol);
if (EFI_ERROR(Status)) {
return Status;
}
//Try to Open the volume and get root directory
Status = FsProtocol->OpenVolume(FsProtocol, &Fs);
if (EFI_ERROR(Status)) {
return Status;
}
Status = Fs->Open(Fs, &FileHandle, FilePath, EFI_FILE_MODE_READ, 0);
File->Type = BDS_FILETYPE_FS;
File->FilePath = FilePath;
File->File.Fs.Handle = FileHandle;
return Status;
}
EFI_STATUS BdsCopyRawFileToRuntimeMemoryFS(
IN EFI_FILE_PROTOCOL *File,
OUT VOID **FileImage,
OUT UINTN *FileSize
) {
EFI_FILE_INFO *FileInfo;
UINTN Size;
VOID* Image;
EFI_STATUS Status;
Size = 0;
File->GetInfo(File, &gEfiFileInfoGuid, &Size, NULL);
FileInfo = AllocatePool (Size);
Status = File->GetInfo(File, &gEfiFileInfoGuid, &Size, FileInfo);
if (EFI_ERROR(Status)) {
return Status;
}
// Get the file size
Size = FileInfo->FileSize;
if (FileSize) {
*FileSize = Size;
}
FreePool(FileInfo);
Image = AllocateRuntimePool(Size);
if (Image == NULL) {
return EFI_OUT_OF_RESOURCES;
}
Status = File->Read(File, &Size, Image);
if (!EFI_ERROR(Status)) {
*FileImage = Image;
}
return Status;
}
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