VOID
BOpt_FreeMenu (
BM_MENU_OPTION *FreeMenu
)
/*++
Routine Description
Free resources allocated in Allocate Rountine
Arguments:
FreeMenu Menu to be freed
Returns:
VOID
--*/
{
BM_MENU_ENTRY *MenuEntry;
while (!IsListEmpty (&FreeMenu->Head)) {
MenuEntry = CR (
FreeMenu->Head.ForwardLink,
BM_MENU_ENTRY,
Link,
BM_MENU_ENTRY_SIGNATURE
);
RemoveEntryList (&MenuEntry->Link);
BOpt_DestroyMenuEntry (MenuEntry);
}
}
/**
Delete Boot Option that represent a Deleted state in BootOptionMenu.
After deleting this boot option, call Var_ChangeBootOrder to
make sure BootOrder is in valid state.
@retval EFI_SUCCESS If all boot load option EFI Variables corresponding to
BM_LOAD_CONTEXT marked for deletion is deleted.
@retval EFI_NOT_FOUND If can not find the boot option want to be deleted.
@return Others If failed to update the "BootOrder" variable after deletion.
**/
EFI_STATUS
Var_DelBootOption (
VOID
)
{
BM_MENU_ENTRY *NewMenuEntry;
BM_LOAD_CONTEXT *NewLoadContext;
UINT16 BootString[10];
EFI_STATUS Status;
UINTN Index;
UINTN Index2;
Status = EFI_SUCCESS;
Index2 = 0;
for (Index = 0; Index < BootOptionMenu.MenuNumber; Index++) {
NewMenuEntry = BOpt_GetMenuEntry (&BootOptionMenu, (Index - Index2));
if (NULL == NewMenuEntry) {
return EFI_NOT_FOUND;
}
NewLoadContext = (BM_LOAD_CONTEXT *) NewMenuEntry->VariableContext;
if (!NewLoadContext->Deleted) {
continue;
}
UnicodeSPrint (
BootString,
sizeof (BootString),
L"Boot%04x",
NewMenuEntry->OptionNumber
);
EfiLibDeleteVariable (BootString, &gEfiGlobalVariableGuid);
Index2++;
//
// If current Load Option is the same as BootNext,
// must delete BootNext in order to make sure
// there will be no panic on next boot
//
if (NewLoadContext->IsBootNext) {
EfiLibDeleteVariable (L"BootNext", &gEfiGlobalVariableGuid);
}
RemoveEntryList (&NewMenuEntry->Link);
BOpt_DestroyMenuEntry (NewMenuEntry);
NewMenuEntry = NULL;
}
BootOptionMenu.MenuNumber -= Index2;
Status = Var_ChangeBootOrder ();
return Status;
}
/**
Delete Boot Option that represent a Deleted state in BootOptionMenu.
@retval EFI_SUCCESS If all boot load option EFI Variables corresponding to
BM_LOAD_CONTEXT marked for deletion is deleted.
@retval EFI_NOT_FOUND If can not find the boot option want to be deleted.
@return Others If failed to update the "BootOrder" variable after deletion.
**/
EFI_STATUS
Var_DelBootOption (
VOID
)
{
BM_MENU_ENTRY *NewMenuEntry;
BM_LOAD_CONTEXT *NewLoadContext;
EFI_STATUS Status;
UINTN Index;
UINTN Index2;
Index2 = 0;
for (Index = 0; Index < BootOptionMenu.MenuNumber; Index++) {
NewMenuEntry = BOpt_GetMenuEntry (&BootOptionMenu, (Index - Index2));
if (NULL == NewMenuEntry) {
return EFI_NOT_FOUND;
}
NewLoadContext = (BM_LOAD_CONTEXT *) NewMenuEntry->VariableContext;
if (!NewLoadContext->Deleted) {
continue;
}
Status = EfiBootManagerDeleteLoadOptionVariable (NewMenuEntry->OptionNumber,LoadOptionTypeBoot);
if (EFI_ERROR (Status)) {
return Status;
}
Index2++;
//
// If current Load Option is the same as BootNext,
// must delete BootNext in order to make sure
// there will be no panic on next boot
//
if (NewLoadContext->IsBootNext) {
EfiLibDeleteVariable (L"BootNext", &gEfiGlobalVariableGuid);
}
RemoveEntryList (&NewMenuEntry->Link);
BOpt_DestroyMenuEntry (NewMenuEntry);
NewMenuEntry = NULL;
}
BootOptionMenu.MenuNumber -= Index2;
return EFI_SUCCESS;
}
/**
Delete Load Option that represent a Deleted state in BootOptionMenu.
After deleting this Driver option, call Var_ChangeDriverOrder to
make sure DriverOrder is in valid state.
@retval EFI_SUCCESS Load Option is successfully updated.
@retval EFI_NOT_FOUND Fail to find the driver option want to be deleted.
@return Other value than EFI_SUCCESS if failed to update "Driver Order" EFI
Variable.
**/
EFI_STATUS
Var_DelDriverOption (
VOID
)
{
BM_MENU_ENTRY *NewMenuEntry;
BM_LOAD_CONTEXT *NewLoadContext;
UINT16 DriverString[12];
EFI_STATUS Status;
UINTN Index;
UINTN Index2;
Status = EFI_SUCCESS;
Index2 = 0;
for (Index = 0; Index < DriverOptionMenu.MenuNumber; Index++) {
NewMenuEntry = BOpt_GetMenuEntry (&DriverOptionMenu, (Index - Index2));
if (NULL == NewMenuEntry) {
return EFI_NOT_FOUND;
}
NewLoadContext = (BM_LOAD_CONTEXT *) NewMenuEntry->VariableContext;
if (!NewLoadContext->Deleted) {
continue;
}
UnicodeSPrint (
DriverString,
sizeof (DriverString),
L"Driver%04x",
NewMenuEntry->OptionNumber
);
EfiLibDeleteVariable (DriverString, &gEfiGlobalVariableGuid);
Index2++;
RemoveEntryList (&NewMenuEntry->Link);
BOpt_DestroyMenuEntry (NewMenuEntry);
NewMenuEntry = NULL;
}
DriverOptionMenu.MenuNumber -= Index2;
Status = Var_ChangeDriverOrder ();
return Status;
}
/**
Free resources allocated in Allocate Rountine.
@param FreeMenu Menu to be freed
**/
VOID
BOpt_FreeMenu (
BM_MENU_OPTION *FreeMenu
)
{
BM_MENU_ENTRY *MenuEntry;
while (!IsListEmpty (&FreeMenu->Head)) {
MenuEntry = CR (
FreeMenu->Head.ForwardLink,
BM_MENU_ENTRY,
Link,
BM_MENU_ENTRY_SIGNATURE
);
RemoveEntryList (&MenuEntry->Link);
BOpt_DestroyMenuEntry (MenuEntry);
}
FreeMenu->MenuNumber = 0;
}
/**
Delete Load Option that represent a Deleted state in DriverOptionMenu.
@retval EFI_SUCCESS Load Option is successfully updated.
@retval EFI_NOT_FOUND Fail to find the driver option want to be deleted.
@return Other value than EFI_SUCCESS if failed to update "Driver Order" EFI
Variable.
**/
EFI_STATUS
Var_DelDriverOption (
VOID
)
{
BM_MENU_ENTRY *NewMenuEntry;
BM_LOAD_CONTEXT *NewLoadContext;
EFI_STATUS Status;
UINTN Index;
UINTN Index2;
Index2 = 0;
for (Index = 0; Index < DriverOptionMenu.MenuNumber; Index++) {
NewMenuEntry = BOpt_GetMenuEntry (&DriverOptionMenu, (Index - Index2));
if (NULL == NewMenuEntry) {
return EFI_NOT_FOUND;
}
NewLoadContext = (BM_LOAD_CONTEXT *) NewMenuEntry->VariableContext;
if (!NewLoadContext->Deleted) {
continue;
}
Status = EfiBootManagerDeleteLoadOptionVariable (NewMenuEntry->OptionNumber,LoadOptionTypeDriver);
if (EFI_ERROR (Status)) {
return Status;
}
Index2++;
RemoveEntryList (&NewMenuEntry->Link);
BOpt_DestroyMenuEntry (NewMenuEntry);
NewMenuEntry = NULL;
}
DriverOptionMenu.MenuNumber -= Index2;
return EFI_SUCCESS;
}
/**
Update the file explower page with the refershed file system.
@param CallbackData BMM context data
@param KeyValue Key value to identify the type of data to expect.
@retval TRUE Inform the caller to create a callback packet to exit file explorer.
@retval FALSE Indicate that there is no need to exit file explorer.
**/
BOOLEAN
UpdateFileExplorer (
IN BMM_CALLBACK_DATA *CallbackData,
IN UINT16 KeyValue
)
{
UINT16 FileOptionMask;
BM_MENU_ENTRY *NewMenuEntry;
BM_FILE_CONTEXT *NewFileContext;
EFI_FORM_ID FormId;
BOOLEAN ExitFileExplorer;
EFI_STATUS Status;
NewMenuEntry = NULL;
NewFileContext = NULL;
ExitFileExplorer = FALSE;
FileOptionMask = (UINT16) (FILE_OPTION_MASK & KeyValue);
if (FileExplorerDisplayUnknown == CallbackData->FeDisplayContext) {
//
// First in, display file system.
//
BOpt_FreeMenu (&FsOptionMenu);
BOpt_FindFileSystem (CallbackData);
CreateMenuStringToken (CallbackData, CallbackData->FeHiiHandle, &FsOptionMenu);
UpdateFileExplorePage (CallbackData, &FsOptionMenu);
CallbackData->FeDisplayContext = FileExplorerDisplayFileSystem;
} else {
if (FileExplorerDisplayFileSystem == CallbackData->FeDisplayContext) {
NewMenuEntry = BOpt_GetMenuEntry (&FsOptionMenu, FileOptionMask);
} else if (FileExplorerDisplayDirectory == CallbackData->FeDisplayContext) {
NewMenuEntry = BOpt_GetMenuEntry (&DirectoryMenu, FileOptionMask);
}
NewFileContext = (BM_FILE_CONTEXT *) NewMenuEntry->VariableContext;
if (NewFileContext->IsDir ) {
CallbackData->FeDisplayContext = FileExplorerDisplayDirectory;
RemoveEntryList (&NewMenuEntry->Link);
BOpt_FreeMenu (&DirectoryMenu);
Status = BOpt_FindFiles (CallbackData, NewMenuEntry);
if (EFI_ERROR (Status)) {
ExitFileExplorer = TRUE;
goto exit;
}
CreateMenuStringToken (CallbackData, CallbackData->FeHiiHandle, &DirectoryMenu);
BOpt_DestroyMenuEntry (NewMenuEntry);
UpdateFileExplorePage (CallbackData, &DirectoryMenu);
} else {
switch (CallbackData->FeCurrentState) {
case FileExplorerStateBootFromFile:
//
// Here boot from file
//
BootThisFile (NewFileContext);
ExitFileExplorer = TRUE;
break;
case FileExplorerStateAddBootOption:
case FileExplorerStateAddDriverOptionState:
if (FileExplorerStateAddBootOption == CallbackData->FeCurrentState) {
FormId = FORM_BOOT_ADD_DESCRIPTION_ID;
} else {
FormId = FORM_DRIVER_ADD_FILE_DESCRIPTION_ID;
}
CallbackData->MenuEntry = NewMenuEntry;
CallbackData->LoadContext->FilePathList = ((BM_FILE_CONTEXT *) (CallbackData->MenuEntry->VariableContext))->DevicePath;
//
// Create Subtitle op-code for the display string of the option.
//
RefreshUpdateData ();
mStartLabel->Number = FormId;
HiiCreateSubTitleOpCode (
mStartOpCodeHandle,
NewMenuEntry->DisplayStringToken,
0,
0,
0
);
HiiUpdateForm (
CallbackData->FeHiiHandle,
&mFileExplorerGuid,
FormId,
mStartOpCodeHandle, // Label FormId
mEndOpCodeHandle // LABEL_END
);
break;
default:
break;
}
}
}
exit:
return ExitFileExplorer;
}
EFI_STATUS
GetConsoleMenu (
IN UINTN ConsoleMenuType
)
{
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
EFI_DEVICE_PATH_PROTOCOL *AllDevicePath;
EFI_DEVICE_PATH_PROTOCOL *MultiDevicePath;
EFI_DEVICE_PATH_PROTOCOL *DevicePathInst;
UINTN Size;
UINTN AllCount;
UINTN Index;
UINTN Index2;
BM_MENU_ENTRY *NewMenuEntry;
BM_CONSOLE_CONTEXT *NewConsoleContext;
BM_TERMINAL_CONTEXT *NewTerminalContext;
TYPE_OF_TERMINAL Terminal;
BM_MENU_ENTRY *NewTerminalMenuEntry;
UINTN Com;
BM_MENU_OPTION *ConsoleMenu;
DevicePath = NULL;
AllDevicePath = NULL;
AllCount = 0;
switch (ConsoleMenuType) {
case BM_CONSOLE_IN_CONTEXT_SELECT:
ConsoleMenu = &ConsoleInpMenu;
DevicePath = EfiLibGetVariable (
L"ConIn",
&gEfiGlobalVariableGuid
);
AllDevicePath = EfiLibGetVariable (
L"ConInDev",
&gEfiGlobalVariableGuid
);
break;
case BM_CONSOLE_OUT_CONTEXT_SELECT:
ConsoleMenu = &ConsoleOutMenu;
DevicePath = EfiLibGetVariable (
L"ConOut",
&gEfiGlobalVariableGuid
);
AllDevicePath = EfiLibGetVariable (
L"ConOutDev",
&gEfiGlobalVariableGuid
);
break;
case BM_CONSOLE_ERR_CONTEXT_SELECT:
ConsoleMenu = &ConsoleErrMenu;
DevicePath = EfiLibGetVariable (
L"ErrOut",
&gEfiGlobalVariableGuid
);
AllDevicePath = EfiLibGetVariable (
L"ErrOutDev",
&gEfiGlobalVariableGuid
);
break;
default:
return EFI_UNSUPPORTED;
}
if (NULL == AllDevicePath) {
return EFI_NOT_FOUND;
}
InitializeListHead (&ConsoleMenu->Head);
AllCount = EfiDevicePathInstanceCount (AllDevicePath);
ConsoleMenu->MenuNumber = 0;
//
// Following is menu building up for Console Out Devices
//
MultiDevicePath = AllDevicePath;
Index2 = 0;
for (Index = 0; Index < AllCount; Index++) {
DevicePathInst = EfiDevicePathInstance (&MultiDevicePath, &Size);
NewMenuEntry = BOpt_CreateMenuEntry (BM_CONSOLE_CONTEXT_SELECT);
if (NULL == NewMenuEntry) {
return EFI_OUT_OF_RESOURCES;
}
NewConsoleContext = (BM_CONSOLE_CONTEXT *) NewMenuEntry->VariableContext;
NewMenuEntry->OptionNumber = Index2;
NewConsoleContext->DevicePath = DevicePathInstanceDup (DevicePathInst);
NewMenuEntry->DisplayString = EfiLibStrFromDatahub (NewConsoleContext->DevicePath);
if (NULL == NewMenuEntry->DisplayString) {
NewMenuEntry->DisplayString = DevicePathToStr (NewConsoleContext->DevicePath);
}
NewConsoleContext->IsTerminal = IsTerminalDevicePath (
NewConsoleContext->DevicePath,
&Terminal,
&Com
);
NewConsoleContext->IsActive = BdsLibMatchDevicePaths (
DevicePath,
NewConsoleContext->DevicePath
);
NewTerminalMenuEntry = NULL;
NewTerminalContext = NULL;
if (NewConsoleContext->IsTerminal) {
BOpt_DestroyMenuEntry (NewMenuEntry);
} else {
Index2++;
ConsoleMenu->MenuNumber++;
InsertTailList (&ConsoleMenu->Head, &NewMenuEntry->Link);
}
}
return EFI_SUCCESS;
}
BOOLEAN
UpdateFileExplorer (
IN BMM_CALLBACK_DATA *CallbackData,
IN UINT16 KeyValue
)
/*++
Routine Description:
Update the file explower page with the refershed file system.
Arguments:
CallbackData - BMM context data
KeyValue - Key value to identify the type of data to expect.
Returns:
TRUE - Inform the caller to create a callback packet to exit file explorer.
FALSE - Indicate that there is no need to exit file explorer.
--*/
{
UINT16 FileOptionMask;
BM_MENU_ENTRY *NewMenuEntry;
BM_FILE_CONTEXT *NewFileContext;
FORM_ID FormId;
BOOLEAN ExitFileExplorer;
EFI_STATUS Status;
NewMenuEntry = NULL;
NewFileContext = NULL;
ExitFileExplorer = FALSE;
FileOptionMask = (UINT16) (FILE_OPTION_MASK & KeyValue);
if (UNKNOWN_CONTEXT == CallbackData->FeDisplayContext) {
//
// First in, display file system.
//
BOpt_FreeMenu (&FsOptionMenu);
BOpt_FindFileSystem (CallbackData);
CreateMenuStringToken (CallbackData, CallbackData->FeHiiHandle, &FsOptionMenu);
UpdateFileExplorePage (CallbackData, &FsOptionMenu);
CallbackData->FeDisplayContext = FILE_SYSTEM;
} else {
if (FILE_SYSTEM == CallbackData->FeDisplayContext) {
NewMenuEntry = BOpt_GetMenuEntry (&FsOptionMenu, FileOptionMask);
} else if (DIRECTORY == CallbackData->FeDisplayContext) {
NewMenuEntry = BOpt_GetMenuEntry (&DirectoryMenu, FileOptionMask);
}
NewFileContext = (BM_FILE_CONTEXT *) NewMenuEntry->VariableContext;
if (NewFileContext->IsDir ) {
CallbackData->FeDisplayContext = DIRECTORY;
RemoveEntryList (&NewMenuEntry->Link);
BOpt_FreeMenu (&DirectoryMenu);
Status = BOpt_FindFiles (CallbackData, NewMenuEntry);
if (EFI_ERROR (Status)) {
ExitFileExplorer = TRUE;
goto exit;
}
CreateMenuStringToken (CallbackData, CallbackData->FeHiiHandle, &DirectoryMenu);
BOpt_DestroyMenuEntry (NewMenuEntry);
UpdateFileExplorePage (CallbackData, &DirectoryMenu);
} else {
switch (CallbackData->FeCurrentState) {
case BOOT_FROM_FILE_STATE:
//
// Here boot from file
//
BootThisFile (NewFileContext);
ExitFileExplorer = TRUE;
break;
case ADD_BOOT_OPTION_STATE:
case ADD_DRIVER_OPTION_STATE:
if (ADD_BOOT_OPTION_STATE == CallbackData->FeCurrentState) {
FormId = FORM_BOOT_ADD_DESCRIPTION_ID;
} else {
FormId = FORM_DRIVER_ADD_FILE_DESCRIPTION_ID;
}
CallbackData->MenuEntry = NewMenuEntry;
CallbackData->LoadContext->FilePathList = ((BM_FILE_CONTEXT *) (CallbackData->MenuEntry->VariableContext))->DevicePath;
//
// Clean up file explore page.
//
RefreshUpdateData (FALSE, 0, FALSE, 0, 1);
//
// Remove the Subtitle op-code.
//
CallbackData->Hii->UpdateForm (
CallbackData->Hii,
CallbackData->FeHiiHandle,
FormId,
FALSE,
UpdateData
);
//
// Create Subtitle op-code for the display string of the option.
//
RefreshUpdateData (TRUE, (EFI_PHYSICAL_ADDRESS) (UINTN) CallbackData->FeCallbackHandle, FALSE, 0, 1);
CreateSubTitleOpCode (
NewMenuEntry->DisplayStringToken,
&UpdateData->Data
);
CallbackData->Hii->UpdateForm (
CallbackData->Hii,
CallbackData->FeHiiHandle,
FormId,
TRUE,
UpdateData
);
break;
default:
break;
}
}
}
exit:
return ExitFileExplorer;
}
EFI_STATUS
BOpt_FindFileSystem (
IN BMM_CALLBACK_DATA *CallbackData
)
/*++
Routine Description
Find file systems for current Extensible Firmware
Including Handles that support Simple File System
protocol, Load File protocol.
Building up the FileSystem Menu for user selection
All file system will be stored in FsOptionMenu
for future use.
Arguments:
CallbackData - BMM context data
Returns:
EFI_SUCCESS - Success find the file system
EFI_OUT_OF_RESOURCES - Can not create menu entry
--*/
{
UINTN NoBlkIoHandles;
UINTN NoSimpleFsHandles;
UINTN NoLoadFileHandles;
EFI_HANDLE *BlkIoHandle;
EFI_HANDLE *SimpleFsHandle;
EFI_HANDLE *LoadFileHandle;
UINT16 *VolumeLabel;
EFI_BLOCK_IO_PROTOCOL *BlkIo;
UINTN Index;
EFI_STATUS Status;
BM_MENU_ENTRY *MenuEntry;
BM_FILE_CONTEXT *FileContext;
UINT16 *TempStr;
UINTN OptionNumber;
VOID *Buffer;
EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;
UINT16 DeviceType;
BBS_BBS_DEVICE_PATH BbsDevicePathNode;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
BOOLEAN RemovableMedia;
NoSimpleFsHandles = 0;
NoLoadFileHandles = 0;
OptionNumber = 0;
InitializeListHead (&FsOptionMenu.Head);
//
// Locate Handles that support BlockIo protocol
//
Status = gBS->LocateHandleBuffer (
ByProtocol,
&gEfiBlockIoProtocolGuid,
NULL,
&NoBlkIoHandles,
&BlkIoHandle
);
if (!EFI_ERROR (Status)) {
for (Index = 0; Index < NoBlkIoHandles; Index++) {
Status = gBS->HandleProtocol (
BlkIoHandle[Index],
&gEfiBlockIoProtocolGuid,
&BlkIo
);
if (EFI_ERROR (Status)) {
continue;
}
//
// Issue a dummy read to trigger reinstall of BlockIo protocol for removable media
//
if (BlkIo->Media->RemovableMedia) {
Buffer = EfiAllocateZeroPool (BlkIo->Media->BlockSize);
if (NULL == Buffer) {
SafeFreePool (BlkIoHandle);
return EFI_OUT_OF_RESOURCES;
}
BlkIo->ReadBlocks (
BlkIo,
BlkIo->Media->MediaId,
0,
BlkIo->Media->BlockSize,
Buffer
);
SafeFreePool (Buffer);
}
}
SafeFreePool (BlkIoHandle);
}
//
// Locate Handles that support Simple File System protocol
//
Status = gBS->LocateHandleBuffer (
ByProtocol,
&gEfiSimpleFileSystemProtocolGuid,
NULL,
&NoSimpleFsHandles,
&SimpleFsHandle
);
if (!EFI_ERROR (Status)) {
//
// Find all the instances of the File System prototocol
//
for (Index = 0; Index < NoSimpleFsHandles; Index++) {
Status = gBS->HandleProtocol (
SimpleFsHandle[Index],
&gEfiBlockIoProtocolGuid,
&BlkIo
);
if (EFI_ERROR (Status)) {
//
// If no block IO exists assume it's NOT a removable media
//
RemovableMedia = FALSE;
} else {
//
// If block IO exists check to see if it's remobable media
//
RemovableMedia = BlkIo->Media->RemovableMedia;
}
//
// Allocate pool for this load option
//
MenuEntry = BOpt_CreateMenuEntry (BM_FILE_CONTEXT_SELECT);
if (NULL == MenuEntry) {
SafeFreePool (SimpleFsHandle);
return EFI_OUT_OF_RESOURCES;
}
FileContext = (BM_FILE_CONTEXT *) MenuEntry->VariableContext;
FileContext->Handle = SimpleFsHandle[Index];
MenuEntry->OptionNumber = Index;
FileContext->FHandle = EfiLibOpenRoot (FileContext->Handle);
if (!FileContext->FHandle) {
BOpt_DestroyMenuEntry (MenuEntry);
continue;
}
MenuEntry->HelpString = DevicePathToStr (EfiDevicePathFromHandle (FileContext->Handle));
FileContext->Info = EfiLibFileSystemVolumeLabelInfo (FileContext->FHandle);
FileContext->FileName = EfiStrDuplicate (L"\\");
FileContext->DevicePath = EfiFileDevicePath (
FileContext->Handle,
FileContext->FileName
);
FileContext->IsDir = TRUE;
FileContext->IsRoot = TRUE;
FileContext->IsRemovableMedia = FALSE;
FileContext->IsLoadFile = FALSE;
//
// Get current file system's Volume Label
//
if (FileContext->Info == NULL) {
VolumeLabel = L"NO FILE SYSTEM INFO";
} else {
if (FileContext->Info->VolumeLabel == NULL) {
VolumeLabel = L"NULL VOLUME LABEL";
} else {
VolumeLabel = FileContext->Info->VolumeLabel;
if (*VolumeLabel == 0x0000) {
VolumeLabel = L"NO VOLUME LABEL";
}
}
}
TempStr = MenuEntry->HelpString;
MenuEntry->DisplayString = EfiAllocateZeroPool (MAX_CHAR);
ASSERT (MenuEntry->DisplayString != NULL);
SPrint (
MenuEntry->DisplayString,
MAX_CHAR,
L"%s, [%s]",
VolumeLabel,
TempStr
);
OptionNumber++;
InsertTailList (&FsOptionMenu.Head, &MenuEntry->Link);
}
}
if (NoSimpleFsHandles != 0) {
SafeFreePool (SimpleFsHandle);
}
//
// Searching for handles that support Load File protocol
//
Status = gBS->LocateHandleBuffer (
ByProtocol,
&gEfiLoadFileProtocolGuid,
NULL,
&NoLoadFileHandles,
&LoadFileHandle
);
if (!EFI_ERROR (Status)) {
for (Index = 0; Index < NoLoadFileHandles; Index++) {
MenuEntry = BOpt_CreateMenuEntry (BM_FILE_CONTEXT_SELECT);
if (NULL == MenuEntry) {
SafeFreePool (LoadFileHandle);
return EFI_OUT_OF_RESOURCES;
}
FileContext = (BM_FILE_CONTEXT *) MenuEntry->VariableContext;
FileContext->IsRemovableMedia = FALSE;
FileContext->IsLoadFile = TRUE;
FileContext->Handle = LoadFileHandle[Index];
FileContext->IsRoot = TRUE;
FileContext->DevicePath = EfiDevicePathFromHandle (FileContext->Handle);
MenuEntry->HelpString = DevicePathToStr (FileContext->DevicePath);
TempStr = MenuEntry->HelpString;
MenuEntry->DisplayString = EfiAllocateZeroPool (MAX_CHAR);
ASSERT (MenuEntry->DisplayString != NULL);
SPrint (
MenuEntry->DisplayString,
MAX_CHAR,
L"Load File [%s]",
TempStr
);
MenuEntry->OptionNumber = OptionNumber;
OptionNumber++;
InsertTailList (&FsOptionMenu.Head, &MenuEntry->Link);
}
}
if (NoLoadFileHandles != 0) {
SafeFreePool (LoadFileHandle);
}
//
// Add Legacy Boot Option Support Here
//
Status = gBS->LocateProtocol (
&gEfiLegacyBiosProtocolGuid,
NULL,
&LegacyBios
);
if (!EFI_ERROR (Status)) {
for (Index = BBS_TYPE_FLOPPY; Index <= BBS_TYPE_EMBEDDED_NETWORK; Index++) {
MenuEntry = BOpt_CreateMenuEntry (BM_FILE_CONTEXT_SELECT);
if (NULL == MenuEntry) {
return EFI_OUT_OF_RESOURCES;
}
FileContext = (BM_FILE_CONTEXT *) MenuEntry->VariableContext;
FileContext->IsRemovableMedia = FALSE;
FileContext->IsLoadFile = TRUE;
FileContext->IsBootLegacy = TRUE;
DeviceType = (UINT16) Index;
BbsDevicePathNode.Header.Type = BBS_DEVICE_PATH;
BbsDevicePathNode.Header.SubType = BBS_BBS_DP;
SetDevicePathNodeLength (
&BbsDevicePathNode.Header,
sizeof (BBS_BBS_DEVICE_PATH)
);
BbsDevicePathNode.DeviceType = DeviceType;
BbsDevicePathNode.StatusFlag = 0;
BbsDevicePathNode.String[0] = 0;
DevicePath = EfiAppendDevicePathNode (
EndDevicePath,
(EFI_DEVICE_PATH_PROTOCOL *) &BbsDevicePathNode
);
FileContext->DevicePath = DevicePath;
MenuEntry->HelpString = DevicePathToStr (FileContext->DevicePath);
TempStr = MenuEntry->HelpString;
MenuEntry->DisplayString = EfiAllocateZeroPool (MAX_CHAR);
ASSERT (MenuEntry->DisplayString != NULL);
SPrint (
MenuEntry->DisplayString,
MAX_CHAR,
L"Boot Legacy [%s]",
TempStr
);
MenuEntry->OptionNumber = OptionNumber;
OptionNumber++;
InsertTailList (&FsOptionMenu.Head, &MenuEntry->Link);
}
}
//
// Remember how many file system options are here
//
FsOptionMenu.MenuNumber = OptionNumber;
return EFI_SUCCESS;
}
