diff options
Diffstat (limited to 'ArmPlatformPkg/FileSystem/BootMonFs/BootMonFsEntryPoint.c')
| -rw-r--r-- | ArmPlatformPkg/FileSystem/BootMonFs/BootMonFsEntryPoint.c | 529 |
1 files changed, 0 insertions, 529 deletions
diff --git a/ArmPlatformPkg/FileSystem/BootMonFs/BootMonFsEntryPoint.c b/ArmPlatformPkg/FileSystem/BootMonFs/BootMonFsEntryPoint.c deleted file mode 100644 index a1150856f6..0000000000 --- a/ArmPlatformPkg/FileSystem/BootMonFs/BootMonFsEntryPoint.c +++ /dev/null @@ -1,529 +0,0 @@ -/** @file
-*
-* Copyright (c) 2012-2014, 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 <Library/BaseMemoryLib.h>
-#include <Library/DevicePathLib.h>
-#include <Library/MemoryAllocationLib.h>
-#include <Library/PrintLib.h>
-#include <Library/UefiBootServicesTableLib.h>
-
-#include <Protocol/DevicePathFromText.h>
-#include <Protocol/DriverBinding.h>
-
-#include "BootMonFsInternal.h"
-
-EFI_DEVICE_PATH* mBootMonFsSupportedDevicePaths;
-LIST_ENTRY mInstances;
-
-EFI_FILE_PROTOCOL mBootMonFsRootTemplate = {
- EFI_FILE_PROTOCOL_REVISION,
- BootMonFsOpenFile,
- BootMonFsCloseFile,
- BootMonFsDeleteFail,
- BootMonFsReadDirectory,
- BootMonFsWriteFile,
- BootMonFsGetPositionUnsupported, // UEFI Spec: GetPosition not valid on dirs
- BootMonFsSetDirPosition,
- BootMonFsGetInfo,
- BootMonFsSetInfo,
- BootMonFsFlushDirectory
-};
-
-EFI_FILE_PROTOCOL mBootMonFsFileTemplate = {
- EFI_FILE_PROTOCOL_REVISION,
- BootMonFsOpenFile,
- BootMonFsCloseFile,
- BootMonFsDelete,
- BootMonFsReadFile,
- BootMonFsWriteFile,
- BootMonFsGetPosition,
- BootMonFsSetPosition,
- BootMonFsGetInfo,
- BootMonFsSetInfo,
- BootMonFsFlushFile
-};
-
-/**
- Search for a file given its name coded in Ascii.
-
- When searching through the files of the volume, if a file is currently not
- open, its name was written on the media and is kept in RAM in the
- "HwDescription.Footer.Filename[]" field of the file's description.
-
- If a file is currently open, its name might not have been written on the
- media yet, and as the "HwDescription" is a mirror in RAM of what is on the
- media the "HwDescription.Footer.Filename[]" might be outdated. In that case,
- the up to date name of the file is stored in the "Info" field of the file's
- description.
-
- @param[in] Instance Pointer to the description of the volume in which
- the file has to be search for.
- @param[in] AsciiFileName Name of the file.
-
- @param[out] File Pointer to the description of the file if the
- file was found.
-
- @retval EFI_SUCCESS The file was found.
- @retval EFI_NOT_FOUND The file was not found.
-
-**/
-EFI_STATUS
-BootMonGetFileFromAsciiFileName (
- IN BOOTMON_FS_INSTANCE *Instance,
- IN CHAR8* AsciiFileName,
- OUT BOOTMON_FS_FILE **File
- )
-{
- LIST_ENTRY *Entry;
- BOOTMON_FS_FILE *FileEntry;
- CHAR8 OpenFileAsciiFileName[MAX_NAME_LENGTH];
- CHAR8 *AsciiFileNameToCompare;
-
- // Go through all the files in the list and return the file handle
- for (Entry = GetFirstNode (&Instance->RootFile->Link);
- !IsNull (&Instance->RootFile->Link, Entry);
- Entry = GetNextNode (&Instance->RootFile->Link, Entry)
- )
- {
- FileEntry = BOOTMON_FS_FILE_FROM_LINK_THIS (Entry);
- if (FileEntry->Info != NULL) {
- UnicodeStrToAsciiStrS (FileEntry->Info->FileName, OpenFileAsciiFileName,
- MAX_NAME_LENGTH);
- AsciiFileNameToCompare = OpenFileAsciiFileName;
- } else {
- AsciiFileNameToCompare = FileEntry->HwDescription.Footer.Filename;
- }
-
- if (AsciiStrCmp (AsciiFileNameToCompare, AsciiFileName) == 0) {
- *File = FileEntry;
- return EFI_SUCCESS;
- }
- }
- return EFI_NOT_FOUND;
-}
-
-EFI_STATUS
-BootMonGetFileFromPosition (
- IN BOOTMON_FS_INSTANCE *Instance,
- IN UINTN Position,
- OUT BOOTMON_FS_FILE **File
- )
-{
- LIST_ENTRY *Entry;
- BOOTMON_FS_FILE *FileEntry;
-
- // Go through all the files in the list and return the file handle
- for (Entry = GetFirstNode (&Instance->RootFile->Link);
- !IsNull (&Instance->RootFile->Link, Entry) && (&Instance->RootFile->Link != Entry);
- Entry = GetNextNode (&Instance->RootFile->Link, Entry)
- )
- {
- if (Position == 0) {
- FileEntry = BOOTMON_FS_FILE_FROM_LINK_THIS (Entry);
- *File = FileEntry;
- return EFI_SUCCESS;
- }
- Position--;
- }
- return EFI_NOT_FOUND;
-}
-
-EFI_STATUS
-BootMonFsCreateFile (
- IN BOOTMON_FS_INSTANCE *Instance,
- OUT BOOTMON_FS_FILE **File
- )
-{
- BOOTMON_FS_FILE *NewFile;
-
- NewFile = (BOOTMON_FS_FILE*)AllocateZeroPool (sizeof (BOOTMON_FS_FILE));
- if (NewFile == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- NewFile->Signature = BOOTMON_FS_FILE_SIGNATURE;
- InitializeListHead (&NewFile->Link);
- InitializeListHead (&NewFile->RegionToFlushLink);
- NewFile->Instance = Instance;
-
- // If the created file is the root file then create a directory EFI_FILE_PROTOCOL
- if (Instance->RootFile == *File) {
- CopyMem (&NewFile->File, &mBootMonFsRootTemplate, sizeof (mBootMonFsRootTemplate));
- } else {
- CopyMem (&NewFile->File, &mBootMonFsFileTemplate, sizeof (mBootMonFsFileTemplate));
- }
- *File = NewFile;
- return EFI_SUCCESS;
-}
-
-STATIC
-EFI_STATUS
-SupportedDevicePathsInit (
- VOID
- )
-{
- EFI_STATUS Status;
- CHAR16* DevicePathListStr;
- CHAR16* DevicePathStr;
- CHAR16* NextDevicePathStr;
- EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL *EfiDevicePathFromTextProtocol;
- EFI_DEVICE_PATH_PROTOCOL *Instance;
-
- Status = gBS->LocateProtocol (&gEfiDevicePathFromTextProtocolGuid, NULL, (VOID **)&EfiDevicePathFromTextProtocol);
- ASSERT_EFI_ERROR (Status);
-
- // Initialize Variable
- DevicePathListStr = (CHAR16*)PcdGetPtr (PcdBootMonFsSupportedDevicePaths);
- mBootMonFsSupportedDevicePaths = NULL;
-
- // Extract the Device Path instances from the multi-device path string
- while ((DevicePathListStr != NULL) && (DevicePathListStr[0] != L'\0')) {
- NextDevicePathStr = StrStr (DevicePathListStr, L";");
- if (NextDevicePathStr == NULL) {
- DevicePathStr = DevicePathListStr;
- DevicePathListStr = NULL;
- } else {
- DevicePathStr = (CHAR16*)AllocateCopyPool ((NextDevicePathStr - DevicePathListStr + 1) * sizeof (CHAR16), DevicePathListStr);
- if (DevicePathStr == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
- *(DevicePathStr + (NextDevicePathStr - DevicePathListStr)) = L'\0';
- DevicePathListStr = NextDevicePathStr;
- if (DevicePathListStr[0] == L';') {
- DevicePathListStr++;
- }
- }
-
- Instance = EfiDevicePathFromTextProtocol->ConvertTextToDevicePath (DevicePathStr);
- ASSERT (Instance != NULL);
- mBootMonFsSupportedDevicePaths = AppendDevicePathInstance (mBootMonFsSupportedDevicePaths, Instance);
-
- if (NextDevicePathStr != NULL) {
- FreePool (DevicePathStr);
- }
- FreePool (Instance);
- }
-
- if (mBootMonFsSupportedDevicePaths == NULL) {
- return EFI_UNSUPPORTED;
- } else {
- return EFI_SUCCESS;
- }
-}
-
-EFI_STATUS
-EFIAPI
-BootMonFsDriverSupported (
- IN EFI_DRIVER_BINDING_PROTOCOL *DriverBinding,
- IN EFI_HANDLE ControllerHandle,
- IN EFI_DEVICE_PATH_PROTOCOL *DevicePath OPTIONAL
- )
-{
- EFI_DISK_IO_PROTOCOL *DiskIo;
- EFI_DEVICE_PATH_PROTOCOL *DevicePathProtocol;
- EFI_DEVICE_PATH_PROTOCOL *SupportedDevicePath;
- EFI_DEVICE_PATH_PROTOCOL *SupportedDevicePaths;
- EFI_STATUS Status;
- UINTN Size1;
- UINTN Size2;
-
- //
- // Open the IO Abstraction(s) needed to perform the supported test
- //
- Status = gBS->OpenProtocol (
- ControllerHandle,
- &gEfiDiskIoProtocolGuid,
- (VOID **) &DiskIo,
- gImageHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Close the I/O Abstraction(s) used to perform the supported test
- //
- gBS->CloseProtocol (
- ControllerHandle,
- &gEfiDiskIoProtocolGuid,
- gImageHandle,
- ControllerHandle
- );
-
- // Check that BlockIo protocol instance exists
- Status = gBS->OpenProtocol (
- ControllerHandle,
- &gEfiBlockIoProtocolGuid,
- NULL,
- gImageHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_TEST_PROTOCOL
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- // Check if a DevicePath is attached to the handle
- Status = gBS->OpenProtocol (
- ControllerHandle,
- &gEfiDevicePathProtocolGuid,
- (VOID **)&DevicePathProtocol,
- gImageHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- // Check if the Device Path is the one which contains the Boot Monitor File System
- Size1 = GetDevicePathSize (DevicePathProtocol);
-
- // Go through the list of Device Path Instances
- Status = EFI_UNSUPPORTED;
- SupportedDevicePaths = mBootMonFsSupportedDevicePaths;
- while (SupportedDevicePaths != NULL) {
- SupportedDevicePath = GetNextDevicePathInstance (&SupportedDevicePaths, &Size2);
-
- if ((Size1 == Size2) && (CompareMem (DevicePathProtocol, SupportedDevicePath, Size1) == 0)) {
- // The Device Path is supported
- Status = EFI_SUCCESS;
- break;
- }
- }
-
- gBS->CloseProtocol (ControllerHandle, &gEfiDevicePathProtocolGuid, gImageHandle, ControllerHandle);
- return Status;
-}
-
-EFI_STATUS
-EFIAPI
-BootMonFsDriverStart (
- IN EFI_DRIVER_BINDING_PROTOCOL *DriverBinding,
- IN EFI_HANDLE ControllerHandle,
- IN EFI_DEVICE_PATH_PROTOCOL *DevicePath OPTIONAL
- )
-{
- BOOTMON_FS_INSTANCE *Instance;
- EFI_STATUS Status;
- UINTN VolumeNameSize;
- EFI_FILE_INFO *Info;
-
- Instance = AllocateZeroPool (sizeof (BOOTMON_FS_INSTANCE));
- if (Instance == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- // Initialize the BlockIo of the Instance
- Status = gBS->OpenProtocol (
- ControllerHandle,
- &gEfiBlockIoProtocolGuid,
- (VOID **)&(Instance->BlockIo),
- gImageHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL
- );
- if (EFI_ERROR (Status)) {
- goto Error;
- }
-
- Status = gBS->OpenProtocol (
- ControllerHandle,
- &gEfiDiskIoProtocolGuid,
- (VOID **)&(Instance->DiskIo),
- gImageHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (EFI_ERROR (Status)) {
- goto Error;
- }
-
- //
- // Initialize the attributes of the Instance
- //
- Instance->Signature = BOOTMON_FS_SIGNATURE;
- Instance->ControllerHandle = ControllerHandle;
- Instance->Media = Instance->BlockIo->Media;
- Instance->Binding = DriverBinding;
-
- // Initialize the Simple File System Protocol
- Instance->Fs.Revision = EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION;
- Instance->Fs.OpenVolume = OpenBootMonFsOpenVolume;
-
- // Volume name + L' ' + '2' digit number
- VolumeNameSize = StrSize (BOOTMON_FS_VOLUME_LABEL) + (3 * sizeof (CHAR16));
-
- // Initialize FileSystem Information
- Instance->FsInfo.Size = SIZE_OF_EFI_FILE_SYSTEM_INFO + VolumeNameSize;
- Instance->FsInfo.BlockSize = Instance->Media->BlockSize;
- Instance->FsInfo.ReadOnly = FALSE;
- Instance->FsInfo.VolumeSize =
- Instance->Media->BlockSize * (Instance->Media->LastBlock - Instance->Media->LowestAlignedLba);
- CopyMem (Instance->FsInfo.VolumeLabel, BOOTMON_FS_VOLUME_LABEL, StrSize (BOOTMON_FS_VOLUME_LABEL));
-
- // Initialize the root file
- Status = BootMonFsCreateFile (Instance, &Instance->RootFile);
- if (EFI_ERROR (Status)) {
- goto Error;
- }
-
- Info = AllocateZeroPool (sizeof (EFI_FILE_INFO));
- if (Info == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Error;
- }
- Instance->RootFile->Info = Info;
-
- // Initialize the DevicePath of the Instance
- Status = gBS->OpenProtocol (
- ControllerHandle,
- &gEfiDevicePathProtocolGuid,
- (VOID **)&(Instance->DevicePath),
- gImageHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL
- );
- if (EFI_ERROR (Status)) {
- goto Error;
- }
-
- //
- // Install the Simple File System Protocol
- //
- Status = gBS->InstallMultipleProtocolInterfaces (
- &ControllerHandle,
- &gEfiSimpleFileSystemProtocolGuid, &Instance->Fs,
- NULL
- );
- if (EFI_ERROR (Status)) {
- goto Error;
- }
-
- InsertTailList (&mInstances, &Instance->Link);
-
- return EFI_SUCCESS;
-
-Error:
-
- if (Instance->RootFile != NULL) {
- if (Instance->RootFile->Info != NULL) {
- FreePool (Instance->RootFile->Info);
- }
- FreePool (Instance->RootFile);
- }
- FreePool (Instance);
-
- return Status;
-}
-
-
-EFI_STATUS
-EFIAPI
-BootMonFsDriverStop (
- IN EFI_DRIVER_BINDING_PROTOCOL *DriverBinding,
- IN EFI_HANDLE ControllerHandle,
- IN UINTN NumberOfChildren,
- IN EFI_HANDLE *ChildHandleBuffer OPTIONAL
- )
-{
- BOOTMON_FS_INSTANCE *Instance;
- LIST_ENTRY *Link;
- EFI_STATUS Status;
- BOOLEAN InstanceFound;
-
- // Find instance from ControllerHandle.
- Instance = NULL;
- InstanceFound = FALSE;
- // For each instance in mInstances:
- for (Link = GetFirstNode (&mInstances); !IsNull (&mInstances, Link); Link = GetNextNode (&mInstances, Link)) {
- Instance = BOOTMON_FS_FROM_LINK (Link);
-
- if (Instance->ControllerHandle == ControllerHandle) {
- InstanceFound = TRUE;
- break;
- }
- }
- ASSERT (InstanceFound == TRUE);
-
- gBS->CloseProtocol (
- ControllerHandle,
- &gEfiDevicePathProtocolGuid,
- DriverBinding->ImageHandle,
- ControllerHandle);
-
- gBS->CloseProtocol (
- ControllerHandle,
- &gEfiDiskIoProtocolGuid,
- DriverBinding->ImageHandle,
- ControllerHandle);
-
- gBS->CloseProtocol (
- ControllerHandle,
- &gEfiBlockIoProtocolGuid,
- DriverBinding->ImageHandle,
- ControllerHandle);
-
- Status = gBS->UninstallMultipleProtocolInterfaces (
- &ControllerHandle,
- &gEfiSimpleFileSystemProtocolGuid, &Instance->Fs,
- NULL);
-
- FreePool (Instance->RootFile->Info);
- FreePool (Instance->RootFile);
- FreePool (Instance);
-
- return Status;
-}
-
-//
-// Simple Network Protocol Driver Global Variables
-//
-EFI_DRIVER_BINDING_PROTOCOL mBootMonFsDriverBinding = {
- BootMonFsDriverSupported,
- BootMonFsDriverStart,
- BootMonFsDriverStop,
- 0xa,
- NULL,
- NULL
-};
-
-EFI_STATUS
-EFIAPI
-BootMonFsEntryPoint (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- EFI_STATUS Status;
-
- InitializeListHead (&mInstances);
-
- // Initialize the list of Device Paths that could support BootMonFs
- Status = SupportedDevicePathsInit ();
- if (!EFI_ERROR (Status)) {
- Status = gBS->InstallMultipleProtocolInterfaces (
- &ImageHandle,
- &gEfiDriverBindingProtocolGuid, &mBootMonFsDriverBinding,
- NULL
- );
- ASSERT_EFI_ERROR (Status);
- } else {
- DEBUG((EFI_D_ERROR,"Warning: No Device Paths supporting BootMonFs have been defined in the PCD.\n"));
- }
-
- return Status;
-}
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