diff options
Diffstat (limited to 'DuetPkg/FvbRuntimeService/FileIo.c')
| -rw-r--r-- | DuetPkg/FvbRuntimeService/FileIo.c | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/DuetPkg/FvbRuntimeService/FileIo.c b/DuetPkg/FvbRuntimeService/FileIo.c deleted file mode 100644 index 11d174491c..0000000000 --- a/DuetPkg/FvbRuntimeService/FileIo.c +++ /dev/null @@ -1,210 +0,0 @@ -/**@file
-Copyright (c) 2007 - 2009, Intel Corporation. All rights reserved.<BR>
-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.
-
-Module Name:
-
- FileIo.c
-
-Abstract:
-
- File operation for Firmware volume block driver
-
-**/
-#include "FileIo.h"
-
-//
-// Variable storage hot plug is supported but there are still some restrictions:
-// After plugging the storage back,
-// 1. Still use memory as NV if newly plugged storage is not same as the original one
-// 2. Still use memory as NV if there are some update operation during storage is unplugged.
-//
-
-
-EFI_STATUS
-FileWrite (
- IN EFI_FILE_PROTOCOL *File,
- IN UINTN Offset,
- IN UINTN Buffer,
- IN UINTN Size
- )
-{
- EFI_STATUS Status;
-
- Status = File->SetPosition (File, Offset);
- ASSERT_EFI_ERROR (Status);
- if (!EFI_ERROR (Status)) {
- Status = File->Write (File, &Size, (VOID *) Buffer);
- ASSERT_EFI_ERROR (Status);
- }
- return Status;
-}
-
-EFI_STATUS
-CheckStore (
- IN EFI_HANDLE SimpleFileSystemHandle,
- IN UINT32 VolumeId,
- OUT EFI_DEVICE_PATH_PROTOCOL **Device
- )
-{
-#define BLOCK_SIZE 0x200
-#define FAT16_VOLUME_ID_OFFSET 39
-#define FAT32_VOLUME_ID_OFFSET 67
- EFI_STATUS Status;
- EFI_BLOCK_IO_PROTOCOL *BlkIo;
- UINT8 BootSector[BLOCK_SIZE];
-
- *Device = NULL;
- Status = gBS->HandleProtocol (
- SimpleFileSystemHandle,
- &gEfiBlockIoProtocolGuid, // BlockIo should be supported if it supports SimpleFileSystem
- (VOID*)&BlkIo
- );
-
- if (EFI_ERROR (Status)) {
- goto ErrHandle;
- }
- if (!BlkIo->Media->MediaPresent) {
- DEBUG ((EFI_D_ERROR, "FwhMappedFile: Media not present!\n"));
- Status = EFI_NO_MEDIA;
- goto ErrHandle;
- }
- if (BlkIo->Media->ReadOnly) {
- DEBUG ((EFI_D_ERROR, "FwhMappedFile: Media is read-only!\n"));
- Status = EFI_ACCESS_DENIED;
- goto ErrHandle;
- }
-
- Status = BlkIo->ReadBlocks(
- BlkIo,
- BlkIo->Media->MediaId,
- 0,
- BLOCK_SIZE,
- BootSector
- );
- ASSERT_EFI_ERROR (Status);
- if ((*(UINT32 *) &BootSector[FAT16_VOLUME_ID_OFFSET] != VolumeId) &&
- (*(UINT32 *) &BootSector[FAT32_VOLUME_ID_OFFSET] != VolumeId)
- ) {
- Status = EFI_NOT_FOUND;
- goto ErrHandle;
- }
-
- *Device = DuplicateDevicePath (DevicePathFromHandle (SimpleFileSystemHandle));
- ASSERT (*Device != NULL);
-
-ErrHandle:
- return Status;
-}
-
-EFI_STATUS
-CheckStoreExists (
- IN EFI_DEVICE_PATH_PROTOCOL *Device
- )
-{
- EFI_HANDLE Handle;
- EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *Volume;
- EFI_STATUS Status;
-
- Status = gBS->LocateDevicePath (
- &gEfiSimpleFileSystemProtocolGuid,
- &Device,
- &Handle
- );
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = gBS->HandleProtocol (
- Handle,
- &gEfiSimpleFileSystemProtocolGuid,
- &Volume
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- return EFI_SUCCESS;
-}
-
-VOID
-FileClose (
- IN EFI_FILE_PROTOCOL *File
- )
-{
- File->Flush (File);
- File->Close (File);
-}
-EFI_STATUS
-FileOpen (
- IN EFI_DEVICE_PATH_PROTOCOL *Device,
- IN CHAR16 *MappedFile,
- OUT EFI_FILE_PROTOCOL **File,
- IN UINT64 OpenMode
- )
-{
- EFI_HANDLE Handle;
- EFI_FILE_HANDLE Root;
- EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *Volume;
- EFI_STATUS Status;
-
- *File = NULL;
-
- Status = gBS->LocateDevicePath (
- &gEfiSimpleFileSystemProtocolGuid,
- &Device,
- &Handle
- );
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = gBS->HandleProtocol (
- Handle,
- &gEfiSimpleFileSystemProtocolGuid,
- &Volume
- );
- ASSERT_EFI_ERROR (Status);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // Open the root directory of the volume
- //
- Root = NULL;
- Status = Volume->OpenVolume (
- Volume,
- &Root
- );
- ASSERT_EFI_ERROR (Status);
- ASSERT (Root != NULL);
-
- //
- // Open file
- //
- Status = Root->Open (
- Root,
- File,
- MappedFile,
- OpenMode,
- 0
- );
- if (EFI_ERROR (Status)) {
- *File = NULL;
- }
-
- //
- // Close the Root directory
- //
- Root->Close (Root);
- return Status;
-}
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