/**
This function invokes Boot Manager. If all devices have not a chance to be connected,
the connect all will be triggered. It then enumerate all boot options. If
a boot option from the Boot Manager page is selected, Boot Manager will boot
from this boot option.
**/
VOID
UpdateBootManager (
VOID
)
{
UINTN Index;
EFI_BOOT_MANAGER_LOAD_OPTION *BootOption;
UINTN BootOptionCount;
EFI_STRING_ID Token;
CHAR16 *HelpString;
EFI_STRING_ID HelpToken;
UINT16 *TempStr;
EFI_HII_HANDLE HiiHandle;
UINTN TempSize;
VOID *StartOpCodeHandle;
VOID *EndOpCodeHandle;
EFI_IFR_GUID_LABEL *StartLabel;
EFI_IFR_GUID_LABEL *EndLabel;
UINT16 DeviceType;
BOOLEAN IsLegacyOption;
BOOLEAN NeedEndOp;
UINTN MaxLen;
DeviceType = (UINT16) -1;
EfiBootManagerConnectAll ();
//
// for better user experience
// 1. User changes HD configuration (e.g.: unplug HDD), here we have a chance to remove the HDD boot option
// 2. User enables/disables UEFI PXE, here we have a chance to add/remove EFI Network boot option
//
EfiBootManagerRefreshAllBootOption ();
//
// BdsDxe doesn't group the legacy boot options for the same device type
// It's UI's choice.
//
GroupMultipleLegacyBootOption4SameType ();
BootOption = EfiBootManagerGetLoadOptions (&BootOptionCount, LoadOptionTypeBoot);
HiiHandle = gBootManagerPrivate.HiiHandle;
//
// Allocate space for creation of UpdateData Buffer
//
StartOpCodeHandle = HiiAllocateOpCodeHandle ();
ASSERT (StartOpCodeHandle != NULL);
EndOpCodeHandle = HiiAllocateOpCodeHandle ();
ASSERT (EndOpCodeHandle != NULL);
//
// Create Hii Extend Label OpCode as the start opcode
//
StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (StartOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
StartLabel->Number = LABEL_BOOT_OPTION;
//
// Create Hii Extend Label OpCode as the end opcode
//
EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (EndOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
EndLabel->Number = LABEL_BOOT_OPTION_END;
mKeyInput = 0;
NeedEndOp = FALSE;
for (Index = 0; Index < BootOptionCount; Index++) {
//
// At this stage we are creating a menu entry, thus the Keys are reproduceable
//
mKeyInput++;
//
// Don't display the hidden/inactive boot option
//
if (((BootOption[Index].Attributes & LOAD_OPTION_HIDDEN) != 0) || ((BootOption[Index].Attributes & LOAD_OPTION_ACTIVE) == 0)) {
continue;
}
//
// Group the legacy boot option in the sub title created dynamically
//
IsLegacyOption = (BOOLEAN) (
(DevicePathType (BootOption[Index].FilePath) == BBS_DEVICE_PATH) &&
(DevicePathSubType (BootOption[Index].FilePath) == BBS_BBS_DP)
);
if (!IsLegacyOption && NeedEndOp) {
NeedEndOp = FALSE;
HiiCreateEndOpCode (StartOpCodeHandle);
}
if (IsLegacyOption && DeviceType != ((BBS_BBS_DEVICE_PATH *) BootOption[Index].FilePath)->DeviceType) {
if (NeedEndOp) {
HiiCreateEndOpCode (StartOpCodeHandle);
}
DeviceType = ((BBS_BBS_DEVICE_PATH *) BootOption[Index].FilePath)->DeviceType;
Token = HiiSetString (
HiiHandle,
0,
mDeviceTypeStr[
MIN (DeviceType & 0xF, sizeof (mDeviceTypeStr) / sizeof (mDeviceTypeStr[0]) - 1)
],
NULL
);
HiiCreateSubTitleOpCode (StartOpCodeHandle, Token, 0, 0, 1);
NeedEndOp = TRUE;
}
ASSERT (BootOption[Index].Description != NULL);
Token = HiiSetString (HiiHandle, 0, BootOption[Index].Description, NULL);
TempStr = BmDevicePathToStr (BootOption[Index].FilePath);
TempSize = StrSize (TempStr);
HelpString = AllocateZeroPool (TempSize + StrSize (L"Device Path : "));
MaxLen = (TempSize + StrSize (L"Device Path : "))/sizeof(CHAR16);
ASSERT (HelpString != NULL);
StrCatS (HelpString, MaxLen, L"Device Path : ");
StrCatS (HelpString, MaxLen, TempStr);
HelpToken = HiiSetString (HiiHandle, 0, HelpString, NULL);
HiiCreateActionOpCode (
StartOpCodeHandle,
mKeyInput,
Token,
HelpToken,
EFI_IFR_FLAG_CALLBACK,
0
);
}
if (NeedEndOp) {
HiiCreateEndOpCode (StartOpCodeHandle);
}
HiiUpdateForm (
HiiHandle,
&mBootManagerGuid,
BOOT_MANAGER_FORM_ID,
StartOpCodeHandle,
EndOpCodeHandle
);
HiiFreeOpCodeHandle (StartOpCodeHandle);
HiiFreeOpCodeHandle (EndOpCodeHandle);
EfiBootManagerFreeLoadOptions (BootOption, BootOptionCount);
}
/**
This function attempts to boot per the boot order specified by platform policy.
If the boot via Boot#### returns with a status of EFI_SUCCESS the boot manager will stop
processing the BootOrder variable and present a boot manager menu to the user. If a boot via
Boot#### returns a status other than EFI_SUCCESS, the boot has failed and the next Boot####
in the BootOrder variable will be tried until all possibilities are exhausted.
-- Chapter 3.1.1 Boot Manager Programming, the 4th paragraph
**/
VOID
DefaultBootBehavior (
VOID
)
{
UINTN BootOptionCount;
EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;
EFI_BOOT_MANAGER_LOAD_OPTION BootManagerMenu;
EfiBootManagerGetBootManagerMenu (&BootManagerMenu);
//
// BootManagerMenu always contains the correct information even the above function returns failure.
//
BootOptions = EfiBootManagerGetLoadOptions (&BootOptionCount, LoadOptionTypeBoot);
if (BootAllBootOptions (BootOptions, BootOptionCount)) {
//
// Follow generic rule, Call BdsDxeOnConnectConInCallBack to connect ConIn before enter UI
//
if (PcdGetBool (PcdConInConnectOnDemand)) {
BdsDxeOnConnectConInCallBack (NULL, NULL);
}
//
// Show the Boot Manager Menu after successful boot
//
EfiBootManagerBoot (&BootManagerMenu);
} else {
EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);
//
// Re-scan all EFI boot options in case all the boot#### are deleted or failed to boot
//
// If no valid boot options exist, the boot manager will enumerate all removable media
// devices followed by all fixed media devices. The order within each group is undefined.
// These new default boot options are not saved to non volatile storage.The boot manger
// will then attempt toboot from each boot option.
// -- Chapter 3.3 Boot Manager Programming, the 2nd paragraph
//
EfiBootManagerConnectAll ();
BootOptions = BdsEnumerateBootOptions (&BootOptionCount);
if (!BootAllBootOptions (BootOptions, BootOptionCount)) {
DEBUG ((EFI_D_ERROR, "[Bds]No bootable device!\n"));
EfiBootManagerBoot (&BootManagerMenu);
}
}
EfiBootManagerFreeLoadOption (&BootManagerMenu);
EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);
}
/**
Return the boot option number to the BootManagerMenuApp.
If not found it in the current boot option, create a new one.
@retval OptionNumber Return the boot option number to the BootManagerMenuApp.
**/
UINTN
GetBootManagerMenuAppOption (
VOID
)
{
UINTN BootOptionCount;
EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;
UINTN Index;
UINTN OptionNumber;
OptionNumber = 0;
BootOptions = EfiBootManagerGetLoadOptions (&BootOptionCount, LoadOptionTypeBoot);
for (Index = 0; Index < BootOptionCount; Index++) {
if (IsBootManagerMenuAppFilePath (BootOptions[Index].FilePath)) {
OptionNumber = BootOptions[Index].OptionNumber;
break;
}
}
EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);
if (Index >= BootOptionCount) {
//
// If not found the BootManagerMenuApp, create it.
//
OptionNumber = (UINT16) RegisterBootManagerMenuAppBootOption (&mBootMenuFile, L"UEFI BootManagerMenuApp", (UINTN) -1, FALSE);
}
return OptionNumber;
}
/**
Sort the load option. The DriverOrder or BootOrder will be re-created to
reflect the new order.
@param OptionType Load option type
@param CompareFunction The comparator
**/
VOID
EFIAPI
EfiBootManagerSortLoadOptionVariable (
EFI_BOOT_MANAGER_LOAD_OPTION_TYPE OptionType,
SORT_COMPARE CompareFunction
)
{
EFI_STATUS Status;
EFI_BOOT_MANAGER_LOAD_OPTION *LoadOption;
UINTN LoadOptionCount;
UINTN Index;
UINT16 *OptionOrder;
LoadOption = EfiBootManagerGetLoadOptions (&LoadOptionCount, OptionType);
//
// Insertion sort algorithm
//
PerformQuickSort (
LoadOption,
LoadOptionCount,
sizeof (EFI_BOOT_MANAGER_LOAD_OPTION),
CompareFunction
);
//
// Create new ****Order variable
//
OptionOrder = AllocatePool (LoadOptionCount * sizeof (UINT16));
ASSERT (OptionOrder != NULL);
for (Index = 0; Index < LoadOptionCount; Index++) {
OptionOrder[Index] = (UINT16) LoadOption[Index].OptionNumber;
}
Status = gRT->SetVariable (
mBmLoadOptionOrderName[OptionType],
&gEfiGlobalVariableGuid,
EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
LoadOptionCount * sizeof (UINT16),
OptionOrder
);
//
// Changing the *Order content without increasing its size with current variable implementation shouldn't fail.
//
ASSERT_EFI_ERROR (Status);
FreePool (OptionOrder);
EfiBootManagerFreeLoadOptions (LoadOption, LoadOptionCount);
}
VOID
PlatformRegisterFvBootOption (
EFI_GUID *FileGuid,
CHAR16 *Description,
UINT32 Attributes
)
{
EFI_STATUS Status;
UINTN OptionIndex;
EFI_BOOT_MANAGER_LOAD_OPTION NewOption;
EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;
UINTN BootOptionCount;
MEDIA_FW_VOL_FILEPATH_DEVICE_PATH FileNode;
EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
Status = gBS->HandleProtocol (gImageHandle, &gEfiLoadedImageProtocolGuid, (VOID **) &LoadedImage);
ASSERT_EFI_ERROR (Status);
EfiInitializeFwVolDevicepathNode (&FileNode, FileGuid);
DevicePath = AppendDevicePathNode (
DevicePathFromHandle (LoadedImage->DeviceHandle),
(EFI_DEVICE_PATH_PROTOCOL *) &FileNode
);
Status = EfiBootManagerInitializeLoadOption (
&NewOption,
LoadOptionNumberUnassigned,
LoadOptionTypeBoot,
Attributes,
Description,
DevicePath,
NULL,
0
);
if (!EFI_ERROR (Status)) {
BootOptions = EfiBootManagerGetLoadOptions (&BootOptionCount, LoadOptionTypeBoot);
OptionIndex = PlatformFindLoadOption (&NewOption, BootOptions, BootOptionCount);
if (OptionIndex == -1) {
Status = EfiBootManagerAddLoadOptionVariable (&NewOption, (UINTN) -1);
ASSERT_EFI_ERROR (Status);
}
EfiBootManagerFreeLoadOption (&NewOption);
EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);
}
}
/**
This call back function is registered with Boot Manager formset.
When user selects a boot option, this call back function will
be triggered. The boot option is saved for later processing.
@param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
@param Action Specifies the type of action taken by the browser.
@param QuestionId A unique value which is sent to the original exporting driver
so that it can identify the type of data to expect.
@param Type The type of value for the question.
@param Value A pointer to the data being sent to the original exporting driver.
@param ActionRequest On return, points to the action requested by the callback function.
@retval EFI_SUCCESS The callback successfully handled the action.
@retval EFI_INVALID_PARAMETER The setup browser call this function with invalid parameters.
**/
EFI_STATUS
EFIAPI
BootManagerCallback (
IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
IN EFI_BROWSER_ACTION Action,
IN EFI_QUESTION_ID QuestionId,
IN UINT8 Type,
IN EFI_IFR_TYPE_VALUE *Value,
OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest
)
{
EFI_BOOT_MANAGER_LOAD_OPTION *BootOption;
UINTN BootOptionCount;
EFI_INPUT_KEY Key;
if (Action != EFI_BROWSER_ACTION_CHANGED) {
//
// Do nothing for other UEFI Action. Only do call back when data is changed.
//
return EFI_UNSUPPORTED;
}
if ((Value == NULL) || (ActionRequest == NULL)) {
return EFI_INVALID_PARAMETER;
}
BootOption = EfiBootManagerGetLoadOptions (&BootOptionCount, LoadOptionTypeBoot);
//
// parse the selected option
//
BmBdsSetConsoleMode (FALSE);
EfiBootManagerBoot (&BootOption[QuestionId - 1]);
BmBdsSetConsoleMode (TRUE);
if (EFI_ERROR (BootOption[QuestionId - 1].Status)) {
gST->ConOut->OutputString (
gST->ConOut,
HiiGetString (gBootManagerPrivate.HiiHandle, STRING_TOKEN (STR_ANY_KEY_CONTINUE), NULL)
);
gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
}
EfiBootManagerFreeLoadOptions (BootOption, BootOptionCount);
return EFI_SUCCESS;
}
/**
Build the LegacyFDMenu LegacyHDMenu LegacyCDMenu according to LegacyBios.GetBbsInfo().
**/
VOID
GetLegacyOptions (
VOID
)
{
LEGACY_MENU_ENTRY *NewMenuEntry;
LEGACY_DEVICE_CONTEXT *NewLegacyDevContext;
EFI_BOOT_MANAGER_LOAD_OPTION *BootOption;
UINTN BootOptionCount;
UINT16 Index;
UINTN FDNum;
UINTN HDNum;
UINTN CDNum;
UINTN NETNum;
UINTN BEVNum;
//
// Initialize Bbs Table Context from BBS info data
//
InitializeListHead (&LegacyFDMenu.Head);
InitializeListHead (&LegacyHDMenu.Head);
InitializeListHead (&LegacyCDMenu.Head);
InitializeListHead (&LegacyNETMenu.Head);
InitializeListHead (&LegacyBEVMenu.Head);
FDNum = 0;
HDNum = 0;
CDNum = 0;
NETNum = 0;
BEVNum = 0;
EfiBootManagerConnectAll ();
//
// for better user experience
// 1. User changes HD configuration (e.g.: unplug HDD), here we have a chance to remove the HDD boot option
// 2. User enables/disables UEFI PXE, here we have a chance to add/remove EFI Network boot option
//
EfiBootManagerRefreshAllBootOption ();
BootOption = EfiBootManagerGetLoadOptions (&BootOptionCount, LoadOptionTypeBoot);
for (Index = 0; Index < BootOptionCount; Index++) {
if ((DevicePathType (BootOption[Index].FilePath) != BBS_DEVICE_PATH) ||
(DevicePathSubType (BootOption[Index].FilePath) != BBS_BBS_DP)
) {
continue;
}
ASSERT (BootOption[Index].OptionalDataSize == sizeof (LEGACY_BOOT_OPTION_BBS_DATA));
NewMenuEntry = CreateMenuEntry ();
ASSERT (NewMenuEntry != NULL);
NewLegacyDevContext = (LEGACY_DEVICE_CONTEXT *) NewMenuEntry->VariableContext;
NewLegacyDevContext->BbsIndex = ((LEGACY_BOOT_OPTION_BBS_DATA *) BootOption[Index].OptionalData)->BbsIndex;
NewLegacyDevContext->Description = AllocateCopyPool (StrSize (BootOption[Index].Description), BootOption[Index].Description);
ASSERT (NewLegacyDevContext->Description != NULL);
NewMenuEntry->DisplayString = NewLegacyDevContext->Description;
NewMenuEntry->HelpString = NULL;
switch (((BBS_BBS_DEVICE_PATH *) BootOption[Index].FilePath)->DeviceType) {
case BBS_TYPE_FLOPPY:
InsertTailList (&LegacyFDMenu.Head, &NewMenuEntry->Link);
FDNum++;
break;
case BBS_TYPE_HARDDRIVE:
InsertTailList (&LegacyHDMenu.Head, &NewMenuEntry->Link);
HDNum++;
break;
case BBS_TYPE_CDROM:
InsertTailList (&LegacyCDMenu.Head, &NewMenuEntry->Link);
CDNum++;
break;
case BBS_TYPE_EMBEDDED_NETWORK:
InsertTailList (&LegacyNETMenu.Head, &NewMenuEntry->Link);
NETNum++;
break;
case BBS_TYPE_BEV:
InsertTailList (&LegacyBEVMenu.Head, &NewMenuEntry->Link);
BEVNum++;
break;
}
}
EfiBootManagerFreeLoadOptions (BootOption, BootOptionCount);
LegacyFDMenu.MenuNumber = FDNum;
LegacyHDMenu.MenuNumber = HDNum;
LegacyCDMenu.MenuNumber = CDNum;
LegacyNETMenu.MenuNumber = NETNum;
LegacyBEVMenu.MenuNumber = BEVNum;
}
/**
This call back function is registered with Boot Manager formset.
When user selects a boot option, this call back function will
be triggered. The boot option is saved for later processing.
@param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
@param Action Specifies the type of action taken by the browser.
@param QuestionId A unique value which is sent to the original exporting driver
so that it can identify the type of data to expect.
@param Type The type of value for the question.
@param Value A pointer to the data being sent to the original exporting driver.
@param ActionRequest On return, points to the action requested by the callback function.
@retval EFI_SUCCESS The callback successfully handled the action.
@retval EFI_INVALID_PARAMETER The setup browser call this function with invalid parameters.
**/
EFI_STATUS
EFIAPI
BootManagerCallback (
IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
IN EFI_BROWSER_ACTION Action,
IN EFI_QUESTION_ID QuestionId,
IN UINT8 Type,
IN EFI_IFR_TYPE_VALUE *Value,
OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest
)
{
EFI_BOOT_MANAGER_LOAD_OPTION *BootOption;
UINTN BootOptionCount;
EFI_INPUT_KEY Key;
if (Action == EFI_BROWSER_ACTION_FORM_OPEN) {
//
//Means enter the boot manager form.
//Update the boot manage page,because the boot option may changed.
//
if (QuestionId == 0x1212){
UpdateBootManager();
}
return EFI_SUCCESS;
}
if (Action != EFI_BROWSER_ACTION_CHANGED) {
//
// Do nothing for other UEFI Action. Only do call back when data is changed.
//
return EFI_UNSUPPORTED;
}
if ((Value == NULL) || (ActionRequest == NULL)) {
return EFI_INVALID_PARAMETER;
}
BootOption = EfiBootManagerGetLoadOptions (&BootOptionCount, LoadOptionTypeBoot);
//
// Clear the screen before.
//
gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK));
gST->ConOut->ClearScreen (gST->ConOut);
//
//check any reset required change is applied? if yes, reset system
//
BmSetupResetReminder ();
//
// parse the selected option
//
BmSetConsoleMode (FALSE);
EfiBootManagerBoot (&BootOption[QuestionId - 1]);
BmSetConsoleMode (TRUE);
if (EFI_ERROR (BootOption[QuestionId - 1].Status)) {
gST->ConOut->OutputString (
gST->ConOut,
HiiGetString (gBootManagerPrivate.HiiHandle, STRING_TOKEN (STR_ANY_KEY_CONTINUE), NULL)
);
gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
}
EfiBootManagerFreeLoadOptions (BootOption, BootOptionCount);
return EFI_SUCCESS;
}
/**
Build the BootOptionMenu according to BootOrder Variable.
This Routine will access the Boot#### to get EFI_LOAD_OPTION.
@param CallbackData The BMM context data.
@return EFI_NOT_FOUND Fail to find "BootOrder" variable.
@return EFI_SUCESS Success build boot option menu.
**/
EFI_STATUS
BOpt_GetBootOptions (
IN BMM_CALLBACK_DATA *CallbackData
)
{
UINTN Index;
UINT16 BootString[10];
UINT8 *LoadOptionFromVar;
UINTN BootOptionSize;
BOOLEAN BootNextFlag;
UINT16 *BootOrderList;
UINTN BootOrderListSize;
UINT16 *BootNext;
UINTN BootNextSize;
BM_MENU_ENTRY *NewMenuEntry;
BM_LOAD_CONTEXT *NewLoadContext;
UINT8 *LoadOptionPtr;
UINTN StringSize;
UINTN OptionalDataSize;
UINT8 *LoadOptionEnd;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
UINTN MenuCount;
UINT8 *Ptr;
EFI_BOOT_MANAGER_LOAD_OPTION *BootOption;
UINTN BootOptionCount;
MenuCount = 0;
BootOrderListSize = 0;
BootNextSize = 0;
BootOrderList = NULL;
BootNext = NULL;
LoadOptionFromVar = NULL;
BOpt_FreeMenu (&BootOptionMenu);
InitializeListHead (&BootOptionMenu.Head);
//
// Get the BootOrder from the Var
//
GetEfiGlobalVariable2 (L"BootOrder", (VOID **) &BootOrderList, &BootOrderListSize);
if (BootOrderList == NULL) {
return EFI_NOT_FOUND;
}
//
// Get the BootNext from the Var
//
GetEfiGlobalVariable2 (L"BootNext", (VOID **) &BootNext, &BootNextSize);
if (BootNext != NULL) {
if (BootNextSize != sizeof (UINT16)) {
FreePool (BootNext);
BootNext = NULL;
}
}
BootOption = EfiBootManagerGetLoadOptions (&BootOptionCount, LoadOptionTypeBoot);
for (Index = 0; Index < BootOrderListSize / sizeof (UINT16); Index++) {
//
// Don't display the hidden/inactive boot option
//
if (((BootOption[Index].Attributes & LOAD_OPTION_HIDDEN) != 0) || ((BootOption[Index].Attributes & LOAD_OPTION_ACTIVE) == 0)) {
continue;
}
UnicodeSPrint (BootString, sizeof (BootString), L"Boot%04x", BootOrderList[Index]);
//
// Get all loadoptions from the VAR
//
GetEfiGlobalVariable2 (BootString, (VOID **) &LoadOptionFromVar, &BootOptionSize);
if (LoadOptionFromVar == NULL) {
continue;
}
if (BootNext != NULL) {
BootNextFlag = (BOOLEAN) (*BootNext == BootOrderList[Index]);
} else {
BootNextFlag = FALSE;
}
NewMenuEntry = BOpt_CreateMenuEntry (BM_LOAD_CONTEXT_SELECT);
ASSERT (NULL != NewMenuEntry);
NewLoadContext = (BM_LOAD_CONTEXT *) NewMenuEntry->VariableContext;
LoadOptionPtr = LoadOptionFromVar;
LoadOptionEnd = LoadOptionFromVar + BootOptionSize;
NewMenuEntry->OptionNumber = BootOrderList[Index];
NewLoadContext->Deleted = FALSE;
NewLoadContext->IsBootNext = BootNextFlag;
//
// Is a Legacy Device?
//
Ptr = (UINT8 *) LoadOptionFromVar;
//
// Attribute = *(UINT32 *)Ptr;
//
Ptr += sizeof (UINT32);
//
// FilePathSize = *(UINT16 *)Ptr;
//
Ptr += sizeof (UINT16);
//
// Description = (CHAR16 *)Ptr;
//
Ptr += StrSize ((CHAR16 *) Ptr);
//
// Now Ptr point to Device Path
//
DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) Ptr;
if ((BBS_DEVICE_PATH == DevicePath->Type) && (BBS_BBS_DP == DevicePath->SubType)) {
NewLoadContext->IsLegacy = TRUE;
} else {
NewLoadContext->IsLegacy = FALSE;
}
//
// LoadOption is a pointer type of UINT8
// for easy use with following LOAD_OPTION
// embedded in this struct
//
NewLoadContext->Attributes = *(UINT32 *) LoadOptionPtr;
LoadOptionPtr += sizeof (UINT32);
NewLoadContext->FilePathListLength = *(UINT16 *) LoadOptionPtr;
LoadOptionPtr += sizeof (UINT16);
StringSize = StrSize((UINT16*)LoadOptionPtr);
NewLoadContext->Description = AllocateZeroPool (StrSize((UINT16*)LoadOptionPtr));
ASSERT (NewLoadContext->Description != NULL);
StrCpyS (NewLoadContext->Description, StrSize((UINT16*)LoadOptionPtr) / sizeof (UINT16), (UINT16*)LoadOptionPtr);
ASSERT (NewLoadContext->Description != NULL);
NewMenuEntry->DisplayString = NewLoadContext->Description;
NewMenuEntry->DisplayStringToken = HiiSetString (CallbackData->BmmHiiHandle, 0, NewMenuEntry->DisplayString, NULL);
LoadOptionPtr += StringSize;
NewLoadContext->FilePathList = AllocateZeroPool (NewLoadContext->FilePathListLength);
ASSERT (NewLoadContext->FilePathList != NULL);
CopyMem (
NewLoadContext->FilePathList,
(EFI_DEVICE_PATH_PROTOCOL *) LoadOptionPtr,
NewLoadContext->FilePathListLength
);
NewMenuEntry->HelpString = UiDevicePathToStr (NewLoadContext->FilePathList);
NewMenuEntry->HelpStringToken = HiiSetString (CallbackData->BmmHiiHandle, 0, NewMenuEntry->HelpString, NULL);
LoadOptionPtr += NewLoadContext->FilePathListLength;
if (LoadOptionPtr < LoadOptionEnd) {
OptionalDataSize = BootOptionSize -
sizeof (UINT32) -
sizeof (UINT16) -
StringSize -
NewLoadContext->FilePathListLength;
NewLoadContext->OptionalData = AllocateZeroPool (OptionalDataSize);
ASSERT (NewLoadContext->OptionalData != NULL);
CopyMem (
NewLoadContext->OptionalData,
LoadOptionPtr,
OptionalDataSize
);
}
InsertTailList (&BootOptionMenu.Head, &NewMenuEntry->Link);
MenuCount++;
FreePool (LoadOptionFromVar);
}
EfiBootManagerFreeLoadOptions (BootOption, BootOptionCount);
if (BootNext != NULL) {
FreePool (BootNext);
}
if (BootOrderList != NULL) {
FreePool (BootOrderList);
}
BootOptionMenu.MenuNumber = MenuCount;
return EFI_SUCCESS;
}
/**
This call back function is registered with Boot Manager formset.
When user selects a boot option, this call back function will
be triggered. The boot option is saved for later processing.
@param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
@param Action Specifies the type of action taken by the browser.
@param QuestionId A unique value which is sent to the original exporting driver
so that it can identify the type of data to expect.
@param Type The type of value for the question.
@param Value A pointer to the data being sent to the original exporting driver.
@param ActionRequest On return, points to the action requested by the callback function.
@retval EFI_SUCCESS The callback successfully handled the action.
@retval EFI_INVALID_PARAMETER The setup browser call this function with invalid parameters.
**/
EFI_STATUS
EFIAPI
BootManagerCallback (
IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
IN EFI_BROWSER_ACTION Action,
IN EFI_QUESTION_ID QuestionId,
IN UINT8 Type,
IN EFI_IFR_TYPE_VALUE *Value,
OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest
)
{
UINTN Index;
EFI_BOOT_MANAGER_LOAD_OPTION *BootOption;
UINTN BootOptionCount;
UINT16 KeyCount;
EFI_INPUT_KEY Key;
EFI_BOOT_MANAGER_LOAD_OPTION Option;
if (Action != EFI_BROWSER_ACTION_CHANGED) {
//
// Do nothing for other UEFI Action. Only do call back when data is changed.
//
return EFI_UNSUPPORTED;
}
if ((Value == NULL) || (ActionRequest == NULL)) {
return EFI_INVALID_PARAMETER;
}
//
// Initialize the key count
//
KeyCount = 0;
Option.Attributes = 0;
BootOption = EfiBootManagerGetLoadOptions (&BootOptionCount, LoadOptionTypeBoot);
for (Index = 0; Index < BootOptionCount; Index++) {
KeyCount++;
EfiBootManagerInitializeLoadOption (
&Option,
BootOption[Index].OptionNumber,
BootOption[Index].OptionType,
BootOption[Index].Attributes,
BootOption[Index].Description,
BootOption[Index].FilePath,
BootOption[Index].OptionalData,
BootOption[Index].OptionalDataSize
);
//
// Is this device the one chosen?
//
if (KeyCount == QuestionId) {
//
// Clear the screen before.
//
gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK));
gST->ConOut->ClearScreen (gST->ConOut);
//
// Check any reset required change is applied? if yes, reset system
//
SetupResetReminder();
//
// Parse the selected option.
//
BdsSetConsoleMode(FALSE);
EfiBootManagerBoot (&Option);
BdsSetConsoleMode(TRUE);
if (EFI_ERROR (Option.Status)) {
gST->ConOut->OutputString (
gST->ConOut,
GetStringById (STRING_TOKEN (STR_ANY_KEY_CONTINUE))
);
gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
}
break;
}
}
EfiBootManagerFreeLoadOptions (BootOption, BootOptionCount);
return EFI_SUCCESS;
}
