/**
Acquire the string associated with the Index from smbios structure and return it.
The caller is responsible for free the string buffer.
@param OptionalStrStart The start position to search the string
@param Index The index of the string to extract
@param String The string that is extracted
@retval EFI_SUCCESS The function returns EFI_SUCCESS always.
**/
EFI_STATUS
GetOptionalStringByIndex (
IN CHAR8 *OptionalStrStart,
IN UINT8 Index,
OUT CHAR16 **String
)
{
UINTN StrSize;
if (Index == 0) {
*String = AllocateZeroPool (sizeof (CHAR16));
return EFI_SUCCESS;
}
StrSize = 0;
do {
Index--;
OptionalStrStart += StrSize;
StrSize = AsciiStrSize (OptionalStrStart);
} while (OptionalStrStart[StrSize] != 0 && Index != 0);
if ((Index != 0) || (StrSize == 1)) {
//
// Meet the end of strings set but Index is non-zero, or
// Find an empty string
//
*String = GetStringById (STRING_TOKEN (STR_MISSING_STRING));
} else {
*String = AllocatePool (StrSize * sizeof (CHAR16));
AsciiStrToUnicodeStrS (OptionalStrStart, *String, StrSize);
}
return EFI_SUCCESS;
}
/**
Try to boot the boot option triggered by hotkey.
@retval EFI_SUCCESS There is HotkeyBootOption & it is processed
@retval EFI_NOT_FOUND There is no HotkeyBootOption
**/
EFI_STATUS
HotkeyBoot (
VOID
)
{
EFI_STATUS Status;
UINTN ExitDataSize;
CHAR16 *ExitData;
if (mHotkeyBootOption == NULL) {
return EFI_NOT_FOUND;
}
BdsLibConnectDevicePath (mHotkeyBootOption->DevicePath);
//
// Clear the screen before launch this BootOption
//
gST->ConOut->Reset (gST->ConOut, FALSE);
Status = BdsLibBootViaBootOption (mHotkeyBootOption, mHotkeyBootOption->DevicePath, &ExitDataSize, &ExitData);
if (EFI_ERROR (Status)) {
//
// Call platform action to indicate the boot fail
//
mHotkeyBootOption->StatusString = GetStringById (STRING_TOKEN (STR_BOOT_FAILED));
PlatformBdsBootFail (mHotkeyBootOption, Status, ExitData, ExitDataSize);
} else {
//
// Call platform action to indicate the boot success
//
mHotkeyBootOption->StatusString = GetStringById (STRING_TOKEN (STR_BOOT_SUCCEEDED));
PlatformBdsBootSuccess (mHotkeyBootOption);
}
FreePool (mHotkeyBootOption->Description);
FreePool (mHotkeyBootOption->DevicePath);
FreePool (mHotkeyBootOption->LoadOptions);
FreePool (mHotkeyBootOption);
mHotkeyBootOption = NULL;
return EFI_SUCCESS;
}
/**
Acquire the string associated with the ProducerGuid and return it.
@param ProducerGuid The Guid to search the HII database for
@param Token The token value of the string to extract
@param String The string that is extracted
@retval EFI_SUCCESS The function returns EFI_SUCCESS always.
**/
EFI_STATUS
GetProducerString (
IN EFI_GUID *ProducerGuid,
IN EFI_STRING_ID Token,
OUT CHAR16 **String
)
{
EFI_STRING TmpString;
TmpString = HiiGetPackageString (ProducerGuid, Token, NULL);
if (TmpString == NULL) {
*String = GetStringById (STRING_TOKEN (STR_MISSING_STRING));
} else {
*String = TmpString;
}
return EFI_SUCCESS;
}
/**
Perform the memory test base on the memory test intensive level,
and update the memory resource.
@param Level The memory test intensive level.
@retval EFI_STATUS Success test all the system memory and update
the memory resource
**/
EFI_STATUS
EFIAPI
BdsMemoryTest (
IN EXTENDMEM_COVERAGE_LEVEL Level
)
{
EFI_STATUS Status;
EFI_STATUS KeyStatus;
EFI_STATUS InitStatus;
EFI_STATUS ReturnStatus;
BOOLEAN RequireSoftECCInit;
EFI_GENERIC_MEMORY_TEST_PROTOCOL *GenMemoryTest;
UINT64 TestedMemorySize;
UINT64 TotalMemorySize;
UINTN TestPercent;
UINT64 PreviousValue;
BOOLEAN ErrorOut;
BOOLEAN TestAbort;
EFI_INPUT_KEY Key;
CHAR16 StrPercent[80];
CHAR16 *StrTotalMemory;
CHAR16 *Pos;
CHAR16 *TmpStr;
EFI_GRAPHICS_OUTPUT_BLT_PIXEL Foreground;
EFI_GRAPHICS_OUTPUT_BLT_PIXEL Background;
EFI_GRAPHICS_OUTPUT_BLT_PIXEL Color;
BOOLEAN IsFirstBoot;
UINT32 TempData;
UINTN StrTotalMemorySize;
ReturnStatus = EFI_SUCCESS;
ZeroMem (&Key, sizeof (EFI_INPUT_KEY));
StrTotalMemorySize = 128;
Pos = AllocateZeroPool (StrTotalMemorySize);
if (Pos == NULL) {
return ReturnStatus;
}
StrTotalMemory = Pos;
TestedMemorySize = 0;
TotalMemorySize = 0;
PreviousValue = 0;
ErrorOut = FALSE;
TestAbort = FALSE;
SetMem (&Foreground, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL), 0xff);
SetMem (&Background, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL), 0x0);
SetMem (&Color, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL), 0xff);
RequireSoftECCInit = FALSE;
Status = gBS->LocateProtocol (
&gEfiGenericMemTestProtocolGuid,
NULL,
(VOID **) &GenMemoryTest
);
if (EFI_ERROR (Status)) {
FreePool (Pos);
return EFI_SUCCESS;
}
InitStatus = GenMemoryTest->MemoryTestInit (
GenMemoryTest,
Level,
&RequireSoftECCInit
);
if (InitStatus == EFI_NO_MEDIA) {
//
// The PEI codes also have the relevant memory test code to check the memory,
// it can select to test some range of the memory or all of them. If PEI code
// checks all the memory, this BDS memory test will has no not-test memory to
// do the test, and then the status of EFI_NO_MEDIA will be returned by
// "MemoryTestInit". So it does not need to test memory again, just return.
//
FreePool (Pos);
return EFI_SUCCESS;
}
if (!FeaturePcdGet(PcdBootlogoOnlyEnable)) {
TmpStr = GetStringById (STRING_TOKEN (STR_ESC_TO_SKIP_MEM_TEST));
if (TmpStr != NULL) {
PrintXY (10, 10, NULL, NULL, TmpStr);
FreePool (TmpStr);
}
} else {
DEBUG ((EFI_D_INFO, "Enter memory test.\n"));
}
do {
Status = GenMemoryTest->PerformMemoryTest (
GenMemoryTest,
&TestedMemorySize,
&TotalMemorySize,
&ErrorOut,
TestAbort
);
if (ErrorOut && (Status == EFI_DEVICE_ERROR)) {
TmpStr = GetStringById (STRING_TOKEN (STR_SYSTEM_MEM_ERROR));
if (TmpStr != NULL) {
PrintXY (10, 10, NULL, NULL, TmpStr);
FreePool (TmpStr);
}
ASSERT (0);
}
if (!FeaturePcdGet(PcdBootlogoOnlyEnable)) {
TempData = (UINT32) DivU64x32 (TotalMemorySize, 16);
TestPercent = (UINTN) DivU64x32 (
DivU64x32 (MultU64x32 (TestedMemorySize, 100), 16),
TempData
);
if (TestPercent != PreviousValue) {
UnicodeValueToString (StrPercent, 0, TestPercent, 0);
TmpStr = GetStringById (STRING_TOKEN (STR_MEMORY_TEST_PERCENT));
if (TmpStr != NULL) {
//
// TmpStr size is 64, StrPercent is reserved to 16.
//
StrCatS (StrPercent, sizeof (StrPercent) / sizeof (CHAR16), TmpStr);
PrintXY (10, 10, NULL, NULL, StrPercent);
FreePool (TmpStr);
}
TmpStr = GetStringById (STRING_TOKEN (STR_PERFORM_MEM_TEST));
if (TmpStr != NULL) {
PlatformBdsShowProgress (
Foreground,
Background,
TmpStr,
Color,
TestPercent,
(UINTN) PreviousValue
);
FreePool (TmpStr);
}
}
PreviousValue = TestPercent;
} else {
DEBUG ((EFI_D_INFO, "Perform memory test (ESC to skip).\n"));
}
if (!PcdGetBool (PcdConInConnectOnDemand)) {
KeyStatus = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
if (!EFI_ERROR (KeyStatus) && (Key.ScanCode == SCAN_ESC)) {
if (!RequireSoftECCInit) {
if (!FeaturePcdGet(PcdBootlogoOnlyEnable)) {
TmpStr = GetStringById (STRING_TOKEN (STR_PERFORM_MEM_TEST));
if (TmpStr != NULL) {
PlatformBdsShowProgress (
Foreground,
Background,
TmpStr,
Color,
100,
(UINTN) PreviousValue
);
FreePool (TmpStr);
}
PrintXY (10, 10, NULL, NULL, L"100");
}
Status = GenMemoryTest->Finished (GenMemoryTest);
goto Done;
}
TestAbort = TRUE;
}
}
} while (Status != EFI_NOT_FOUND);
Status = GenMemoryTest->Finished (GenMemoryTest);
Done:
if (!FeaturePcdGet(PcdBootlogoOnlyEnable)) {
UnicodeValueToString (StrTotalMemory, COMMA_TYPE, TotalMemorySize, 0);
if (StrTotalMemory[0] == L',') {
StrTotalMemory++;
StrTotalMemorySize -= sizeof (CHAR16);
}
TmpStr = GetStringById (STRING_TOKEN (STR_MEM_TEST_COMPLETED));
if (TmpStr != NULL) {
StrCatS (StrTotalMemory, StrTotalMemorySize / sizeof (CHAR16), TmpStr);
FreePool (TmpStr);
}
PrintXY (10, 10, NULL, NULL, StrTotalMemory);
PlatformBdsShowProgress (
Foreground,
Background,
StrTotalMemory,
Color,
100,
(UINTN) PreviousValue
);
} else {
DEBUG ((EFI_D_INFO, "%d bytes of system memory tested OK\r\n", TotalMemorySize));
}
FreePool (Pos);
//
// Use a DynamicHii type pcd to save the boot status, which is used to
// control configuration mode, such as FULL/MINIMAL/NO_CHANGES configuration.
//
IsFirstBoot = PcdGetBool(PcdBootState);
if (IsFirstBoot) {
PcdSetBool(PcdBootState, FALSE);
}
return ReturnStatus;
}
/**
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
CallBootManager (
VOID
)
{
EFI_STATUS Status;
BDS_COMMON_OPTION *Option;
LIST_ENTRY *Link;
CHAR16 *ExitData;
UINTN ExitDataSize;
EFI_STRING_ID Token;
EFI_INPUT_KEY Key;
CHAR16 *HelpString;
UINTN HelpSize;
EFI_STRING_ID HelpToken;
UINT16 *TempStr;
EFI_HII_HANDLE HiiHandle;
EFI_BROWSER_ACTION_REQUEST ActionRequest;
VOID *StartOpCodeHandle;
VOID *EndOpCodeHandle;
EFI_IFR_GUID_LABEL *StartLabel;
EFI_IFR_GUID_LABEL *EndLabel;
UINT16 DeviceType;
BOOLEAN IsLegacyOption;
BOOLEAN NeedEndOp;
DeviceType = (UINT16) -1;
gOption = NULL;
InitializeListHead (&mBootOptionsList);
//
// Connect all prior to entering the platform setup menu.
//
if (!gConnectAllHappened) {
BdsLibConnectAllDriversToAllControllers ();
gConnectAllHappened = TRUE;
}
BdsLibEnumerateAllBootOption (&mBootOptionsList);
//
// Group the legacy boot options for the same device type
//
GroupMultipleLegacyBootOption4SameType ();
InitializeListHead (&mBootOptionsList);
BdsLibBuildOptionFromVar (&mBootOptionsList, L"BootOrder");
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 (Link = GetFirstNode (&mBootOptionsList); !IsNull (&mBootOptionsList, Link); Link = GetNextNode (&mBootOptionsList, Link)) {
Option = CR (Link, BDS_COMMON_OPTION, Link, BDS_LOAD_OPTION_SIGNATURE);
//
// At this stage we are creating a menu entry, thus the Keys are reproduceable
//
mKeyInput++;
//
// Don't display the hidden/inactive boot option
//
if (((Option->Attribute & LOAD_OPTION_HIDDEN) != 0) || ((Option->Attribute & LOAD_OPTION_ACTIVE) == 0)) {
continue;
}
//
// Group the legacy boot option in the sub title created dynamically
//
IsLegacyOption = (BOOLEAN) (
(DevicePathType (Option->DevicePath) == BBS_DEVICE_PATH) &&
(DevicePathSubType (Option->DevicePath) == BBS_BBS_DP)
);
if (!IsLegacyOption && NeedEndOp) {
NeedEndOp = FALSE;
HiiCreateEndOpCode (StartOpCodeHandle);
}
if (IsLegacyOption && DeviceType != ((BBS_BBS_DEVICE_PATH *) Option->DevicePath)->DeviceType) {
if (NeedEndOp) {
HiiCreateEndOpCode (StartOpCodeHandle);
}
DeviceType = ((BBS_BBS_DEVICE_PATH *) Option->DevicePath)->DeviceType;
Token = HiiSetString (
HiiHandle,
0,
mDeviceTypeStr[
MIN (DeviceType & 0xF, ARRAY_SIZE (mDeviceTypeStr) - 1)
],
NULL
);
HiiCreateSubTitleOpCode (StartOpCodeHandle, Token, 0, 0, 1);
NeedEndOp = TRUE;
}
ASSERT (Option->Description != NULL);
Token = HiiSetString (HiiHandle, 0, Option->Description, NULL);
TempStr = DevicePathToStr (Option->DevicePath);
HelpSize = StrSize (TempStr) + StrSize (L"Device Path : ");
HelpString = AllocateZeroPool (HelpSize);
ASSERT (HelpString != NULL);
StrCatS (HelpString, HelpSize / sizeof (CHAR16), L"Device Path : ");
StrCatS (HelpString, HelpSize / sizeof (CHAR16), TempStr);
HelpToken = HiiSetString (HiiHandle, 0, HelpString, NULL);
HiiCreateActionOpCode (
StartOpCodeHandle,
mKeyInput,
Token,
HelpToken,
EFI_IFR_FLAG_CALLBACK,
0
);
}
if (NeedEndOp) {
HiiCreateEndOpCode (StartOpCodeHandle);
}
HiiUpdateForm (
HiiHandle,
&gBootManagerFormSetGuid,
BOOT_MANAGER_FORM_ID,
StartOpCodeHandle,
EndOpCodeHandle
);
HiiFreeOpCodeHandle (StartOpCodeHandle);
HiiFreeOpCodeHandle (EndOpCodeHandle);
ActionRequest = EFI_BROWSER_ACTION_REQUEST_NONE;
Status = gFormBrowser2->SendForm (
gFormBrowser2,
&HiiHandle,
1,
&gBootManagerFormSetGuid,
0,
NULL,
&ActionRequest
);
if (ActionRequest == EFI_BROWSER_ACTION_REQUEST_RESET) {
EnableResetRequired ();
}
if (gOption == NULL) {
return ;
}
//
// Will leave browser, check any reset required change is applied? if yes, reset system
//
SetupResetReminder ();
//
// Restore to original mode before launching boot option.
//
BdsSetConsoleMode (FALSE);
//
// parse the selected option
//
Status = BdsLibBootViaBootOption (gOption, gOption->DevicePath, &ExitDataSize, &ExitData);
if (!EFI_ERROR (Status)) {
gOption->StatusString = GetStringById (STRING_TOKEN (STR_BOOT_SUCCEEDED));
PlatformBdsBootSuccess (gOption);
} else {
gOption->StatusString = GetStringById (STRING_TOKEN (STR_BOOT_FAILED));
PlatformBdsBootFail (gOption, Status, ExitData, ExitDataSize);
gST->ConOut->OutputString (
gST->ConOut,
GetStringById (STRING_TOKEN (STR_ANY_KEY_CONTINUE))
);
gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
}
}
/**
Function show progress bar to wait for user input.
@param TimeoutDefault The fault time out value before the system continue to boot.
@retval EFI_SUCCESS User pressed some key except "Enter"
@retval EFI_TIME_OUT Timeout expired or user press "Enter"
**/
EFI_STATUS
ShowProgress (
IN UINT16 TimeoutDefault
)
{
CHAR16 *TmpStr;
UINT16 TimeoutRemain;
EFI_STATUS Status;
EFI_INPUT_KEY Key;
EFI_GRAPHICS_OUTPUT_BLT_PIXEL Foreground;
EFI_GRAPHICS_OUTPUT_BLT_PIXEL Background;
EFI_GRAPHICS_OUTPUT_BLT_PIXEL Color;
if (TimeoutDefault != 0) {
DEBUG ((EFI_D_INFO, "\n\nStart showing progress bar... Press any key to stop it! ...Zzz....\n"));
SetMem (&Foreground, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL), 0xff);
SetMem (&Background, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL), 0x0);
SetMem (&Color, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL), 0xff);
TmpStr = GetStringById (STRING_TOKEN (STR_START_BOOT_OPTION));
if (!FeaturePcdGet(PcdBootlogoOnlyEnable)) {
//
// Clear the progress status bar first
//
if (TmpStr != NULL) {
PlatformBdsShowProgress (Foreground, Background, TmpStr, Color, 0, 0);
}
}
TimeoutRemain = TimeoutDefault;
while (TimeoutRemain != 0) {
DEBUG ((EFI_D_INFO, "Showing progress bar...Remaining %d second!\n", TimeoutRemain));
Status = WaitForSingleEvent (gST->ConIn->WaitForKey, ONE_SECOND);
if (Status != EFI_TIMEOUT) {
break;
}
TimeoutRemain--;
if (!FeaturePcdGet(PcdBootlogoOnlyEnable)) {
//
// Show progress
//
if (TmpStr != NULL) {
PlatformBdsShowProgress (
Foreground,
Background,
TmpStr,
Color,
((TimeoutDefault - TimeoutRemain) * 100 / TimeoutDefault),
0
);
}
}
}
if (TmpStr != NULL) {
gBS->FreePool (TmpStr);
}
//
// Timeout expired
//
if (TimeoutRemain == 0) {
return EFI_TIMEOUT;
}
}
//
// User pressed some key
//
if (!PcdGetBool (PcdConInConnectOnDemand)) {
Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
if (EFI_ERROR (Status)) {
return Status;
}
if (Key.UnicodeChar == CHAR_CARRIAGE_RETURN) {
//
// User pressed enter, equivalent to select "continue"
//
return EFI_TIMEOUT;
}
}
return EFI_SUCCESS;
}
/**
This function attempts to boot for the boot order specified
by platform policy.
**/
VOID
BdsBootDeviceSelect (
VOID
)
{
EFI_STATUS Status;
LIST_ENTRY *Link;
BDS_COMMON_OPTION *BootOption;
UINTN ExitDataSize;
CHAR16 *ExitData;
UINT16 Timeout;
LIST_ENTRY BootLists;
CHAR16 Buffer[20];
BOOLEAN BootNextExist;
LIST_ENTRY *LinkBootNext;
EFI_EVENT ConnectConInEvent;
//
// Got the latest boot option
//
BootNextExist = FALSE;
LinkBootNext = NULL;
ConnectConInEvent = NULL;
InitializeListHead (&BootLists);
//
// First check the boot next option
//
ZeroMem (Buffer, sizeof (Buffer));
//
// Create Event to signal ConIn connection request
//
if (PcdGetBool (PcdConInConnectOnDemand)) {
Status = gBS->CreateEventEx (
EVT_NOTIFY_SIGNAL,
TPL_CALLBACK,
BdsEmptyCallbackFunction,
NULL,
&gConnectConInEventGuid,
&ConnectConInEvent
);
if (EFI_ERROR(Status)) {
ConnectConInEvent = NULL;
}
}
if (mBootNext != NULL) {
//
// Indicate we have the boot next variable, so this time
// boot will always have this boot option
//
BootNextExist = TRUE;
//
// Clear the this variable so it's only exist in this time boot
//
Status = gRT->SetVariable (
L"BootNext",
&gEfiGlobalVariableGuid,
EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
0,
NULL
);
//
// Deleting variable with current variable implementation shouldn't fail.
//
ASSERT_EFI_ERROR (Status);
//
// Add the boot next boot option
//
UnicodeSPrint (Buffer, sizeof (Buffer), L"Boot%04x", *mBootNext);
BootOption = BdsLibVariableToOption (&BootLists, Buffer);
//
// If fail to get boot option from variable, just return and do nothing.
//
if (BootOption == NULL) {
return;
}
BootOption->BootCurrent = *mBootNext;
}
//
// Parse the boot order to get boot option
//
BdsLibBuildOptionFromVar (&BootLists, L"BootOrder");
//
// When we didn't have chance to build boot option variables in the first
// full configuration boot (e.g.: Reset in the first page or in Device Manager),
// we have no boot options in the following mini configuration boot.
// Give the last chance to enumerate the boot options.
//
if (IsListEmpty (&BootLists)) {
BdsLibEnumerateAllBootOption (&BootLists);
}
Link = BootLists.ForwardLink;
//
// Parameter check, make sure the loop will be valid
//
if (Link == NULL) {
return ;
}
//
// Here we make the boot in a loop, every boot success will
// return to the front page
//
for (;;) {
//
// Check the boot option list first
//
if (Link == &BootLists) {
//
// When LazyConIn enabled, signal connect ConIn event before enter UI
//
if (PcdGetBool (PcdConInConnectOnDemand) && ConnectConInEvent != NULL) {
gBS->SignalEvent (ConnectConInEvent);
}
//
// There are two ways to enter here:
// 1. There is no active boot option, give user chance to
// add new boot option
// 2. All the active boot option processed, and there is no
// one is success to boot, then we back here to allow user
// add new active boot option
//
Timeout = 0xffff;
PlatformBdsEnterFrontPage (Timeout, FALSE);
InitializeListHead (&BootLists);
BdsLibBuildOptionFromVar (&BootLists, L"BootOrder");
Link = BootLists.ForwardLink;
continue;
}
//
// Get the boot option from the link list
//
BootOption = CR (Link, BDS_COMMON_OPTION, Link, BDS_LOAD_OPTION_SIGNATURE);
//
// According to EFI Specification, if a load option is not marked
// as LOAD_OPTION_ACTIVE, the boot manager will not automatically
// load the option.
//
if (!IS_LOAD_OPTION_TYPE (BootOption->Attribute, LOAD_OPTION_ACTIVE)) {
//
// skip the header of the link list, because it has no boot option
//
Link = Link->ForwardLink;
continue;
}
//
// Make sure the boot option device path connected,
// but ignore the BBS device path
//
if (DevicePathType (BootOption->DevicePath) != BBS_DEVICE_PATH) {
//
// Notes: the internal shell can not been connected with device path
// so we do not check the status here
//
BdsLibConnectDevicePath (BootOption->DevicePath);
}
//
// Restore to original mode before launching boot option.
//
BdsSetConsoleMode (FALSE);
//
// All the driver options should have been processed since
// now boot will be performed.
//
Status = BdsLibBootViaBootOption (BootOption, BootOption->DevicePath, &ExitDataSize, &ExitData);
if (Status != EFI_SUCCESS) {
//
// Call platform action to indicate the boot fail
//
BootOption->StatusString = GetStringById (STRING_TOKEN (STR_BOOT_FAILED));
PlatformBdsBootFail (BootOption, Status, ExitData, ExitDataSize);
//
// Check the next boot option
//
Link = Link->ForwardLink;
} else {
//
// Call platform action to indicate the boot success
//
BootOption->StatusString = GetStringById (STRING_TOKEN (STR_BOOT_SUCCEEDED));
PlatformBdsBootSuccess (BootOption);
//
// Boot success, then stop process the boot order, and
// present the boot manager menu, front page
//
//
// When LazyConIn enabled, signal connect ConIn Event before enter UI
//
if (PcdGetBool (PcdConInConnectOnDemand) && ConnectConInEvent != NULL) {
gBS->SignalEvent (ConnectConInEvent);
}
Timeout = 0xffff;
PlatformBdsEnterFrontPage (Timeout, FALSE);
//
// Rescan the boot option list, avoid potential risk of the boot
// option change in front page
//
if (BootNextExist) {
LinkBootNext = BootLists.ForwardLink;
}
InitializeListHead (&BootLists);
if (LinkBootNext != NULL) {
//
// Reserve the boot next option
//
InsertTailList (&BootLists, LinkBootNext);
}
BdsLibBuildOptionFromVar (&BootLists, L"BootOrder");
Link = BootLists.ForwardLink;
}
}
}
/**
This is the common notification function for HotKeys, it will be registered
with SimpleTextInEx protocol interface - RegisterKeyNotify() of ConIn handle.
@param KeyData A pointer to a buffer that is filled in with the keystroke
information for the key that was pressed.
@retval EFI_SUCCESS KeyData is successfully processed.
@return EFI_NOT_FOUND Fail to find boot option variable.
**/
EFI_STATUS
EFIAPI
HotkeyCallback (
IN EFI_KEY_DATA *KeyData
)
{
BOOLEAN HotkeyCatched;
LIST_ENTRY BootLists;
LIST_ENTRY *Link;
BDS_HOTKEY_OPTION *Hotkey;
UINT16 Buffer[10];
BDS_COMMON_OPTION *BootOption;
UINTN ExitDataSize;
CHAR16 *ExitData;
EFI_STATUS Status;
EFI_KEY_DATA *HotkeyData;
if (mHotkeyCallbackPending) {
//
// When responsing to a Hotkey, ignore sequential hotkey stroke until
// the current Boot#### load option returned
//
return EFI_SUCCESS;
}
Status = EFI_SUCCESS;
Link = GetFirstNode (&mHotkeyList);
while (!IsNull (&mHotkeyList, Link)) {
HotkeyCatched = FALSE;
Hotkey = BDS_HOTKEY_OPTION_FROM_LINK (Link);
//
// Is this Key Stroke we are waiting for?
//
ASSERT (Hotkey->WaitingKey < (sizeof (Hotkey->KeyData) / sizeof (Hotkey->KeyData[0])));
HotkeyData = &Hotkey->KeyData[Hotkey->WaitingKey];
if ((KeyData->Key.ScanCode == HotkeyData->Key.ScanCode) &&
(KeyData->Key.UnicodeChar == HotkeyData->Key.UnicodeChar) &&
(((HotkeyData->KeyState.KeyShiftState & EFI_SHIFT_STATE_VALID) != 0) ? (KeyData->KeyState.KeyShiftState == HotkeyData->KeyState.KeyShiftState) : TRUE)) {
//
// Receive an expecting key stroke
//
if (Hotkey->CodeCount > 1) {
//
// For hotkey of key combination, transit to next waiting state
//
Hotkey->WaitingKey++;
if (Hotkey->WaitingKey == Hotkey->CodeCount) {
//
// Received the whole key stroke sequence
//
HotkeyCatched = TRUE;
}
} else {
//
// For hotkey of single key stroke
//
HotkeyCatched = TRUE;
}
} else {
//
// Receive an unexpected key stroke, reset to initial waiting state
//
Hotkey->WaitingKey = 0;
}
if (HotkeyCatched) {
//
// Reset to initial waiting state
//
Hotkey->WaitingKey = 0;
//
// Launch its BootOption
//
InitializeListHead (&BootLists);
UnicodeSPrint (Buffer, sizeof (Buffer), L"Boot%04x", Hotkey->BootOptionNumber);
BootOption = BdsLibVariableToOption (&BootLists, Buffer);
if (BootOption == NULL) {
return EFI_NOT_FOUND;
}
BootOption->BootCurrent = Hotkey->BootOptionNumber;
BdsLibConnectDevicePath (BootOption->DevicePath);
//
// Clear the screen before launch this BootOption
//
gST->ConOut->Reset (gST->ConOut, FALSE);
mHotkeyCallbackPending = TRUE;
Status = BdsLibBootViaBootOption (BootOption, BootOption->DevicePath, &ExitDataSize, &ExitData);
mHotkeyCallbackPending = FALSE;
if (EFI_ERROR (Status)) {
//
// Call platform action to indicate the boot fail
//
BootOption->StatusString = GetStringById (STRING_TOKEN (STR_BOOT_FAILED));
PlatformBdsBootFail (BootOption, Status, ExitData, ExitDataSize);
} else {
//
// Call platform action to indicate the boot success
//
BootOption->StatusString = GetStringById (STRING_TOKEN (STR_BOOT_SUCCEEDED));
PlatformBdsBootSuccess (BootOption);
}
}
Link = GetNextNode (&mHotkeyList, Link);
}
return Status;
}
/**
Add a new user profile into the user profile database.
**/
VOID
CallAddUser (
VOID
)
{
EFI_STATUS Status;
EFI_INPUT_KEY Key;
EFI_USER_PROFILE_HANDLE User;
UINTN UserNameLen;
CHAR16 UserName[USER_NAME_LENGTH];
CHAR16 *QuestionStr;
CHAR16 *PromptStr;
QuestionStr = NULL;
PromptStr = NULL;
//
// Get user name to add.
//
UserNameLen = sizeof (UserName);
Status = GetUserNameInput (&UserNameLen, UserName);
if (EFI_ERROR (Status)) {
if (Status != EFI_ABORTED) {
QuestionStr = GetStringById (STRING_TOKEN (STR_GET_USERNAME_FAILED));
PromptStr = GetStringById (STRING_TOKEN (STR_STROKE_KEY_CONTINUE));
goto Done;
}
return ;
}
//
// Create a new user profile.
//
User = NULL;
Status = mUserManager->Create (mUserManager, &User);
if (EFI_ERROR (Status)) {
QuestionStr = GetStringById (STRING_TOKEN (STR_CREATE_PROFILE_FAILED));
PromptStr = GetStringById (STRING_TOKEN (STR_STROKE_KEY_CONTINUE));
} else {
//
// Add default user information.
//
Status = SetUserName (User, UserNameLen, UserName);
if (EFI_ERROR (Status)) {
QuestionStr = GetStringById (STRING_TOKEN (STR_USER_ALREADY_EXISTED));
PromptStr = GetStringById (STRING_TOKEN (STR_STROKE_KEY_CONTINUE));
goto Done;
}
SetCreateDate (User);
SetIdentityPolicy (User);
SetAccessPolicy (User);
QuestionStr = GetStringById (STRING_TOKEN (STR_CREATE_PROFILE_SUCCESS));
PromptStr = GetStringById (STRING_TOKEN (STR_STROKE_KEY_CONTINUE));
}
Done:
CreatePopUp (
EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,
&Key,
QuestionStr,
L"",
PromptStr,
NULL
);
FreePool (QuestionStr);
FreePool (PromptStr);
}
/**
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;
}
/**
This function processes changes in user profile configuration.
@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 Others Fail to handle the action.
**/
EFI_STATUS
EFIAPI
UserProfileManagerCallback (
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_STATUS Status;
EFI_INPUT_KEY Key;
UINT32 CurrentAccessRight;
CHAR16 *QuestionStr;
CHAR16 *PromptStr;
VOID *StartOpCodeHandle;
VOID *EndOpCodeHandle;
EFI_IFR_GUID_LABEL *StartLabel;
EFI_IFR_GUID_LABEL *EndLabel;
EFI_USER_PROFILE_HANDLE CurrentUser;
Status = EFI_SUCCESS;
switch (Action) {
case EFI_BROWSER_ACTION_FORM_OPEN:
{
//
// Update user manage Form when user manage Form is opened.
// This will be done only in FORM_OPEN CallBack of question with QUESTIONID_USER_MANAGE from user manage Form.
//
if (QuestionId != QUESTIONID_USER_MANAGE) {
return EFI_SUCCESS;
}
//
// Get current user
//
CurrentUser = NULL;
mUserManager->Current (mUserManager, &CurrentUser);
if (CurrentUser == NULL) {
DEBUG ((DEBUG_ERROR, "Error: current user does not exist!\n"));
return EFI_NOT_READY;
}
//
// Get current user's right information.
//
Status = GetAccessRight (&CurrentAccessRight);
if (EFI_ERROR (Status)) {
CurrentAccessRight = EFI_USER_INFO_ACCESS_ENROLL_SELF;
}
//
// Init credential provider information.
//
Status = InitProviderInfo ();
if (EFI_ERROR (Status)) {
return Status;
}
//
// Initialize the container for dynamic opcodes.
//
StartOpCodeHandle = HiiAllocateOpCodeHandle ();
ASSERT (StartOpCodeHandle != NULL);
EndOpCodeHandle = HiiAllocateOpCodeHandle ();
ASSERT (EndOpCodeHandle != NULL);
//
// Create Hii Extend Label 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_USER_MANAGE_FUNC;
EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (
EndOpCodeHandle,
&gEfiIfrTianoGuid,
NULL,
sizeof (EFI_IFR_GUID_LABEL)
);
EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
EndLabel->Number = LABEL_END;
//
// Add user profile option.
//
if ((CurrentAccessRight == EFI_USER_INFO_ACCESS_MANAGE) ||
(CurrentAccessRight == EFI_USER_INFO_ACCESS_ENROLL_OTHERS)
) {
HiiCreateActionOpCode (
StartOpCodeHandle, // Container for dynamic created opcodes
KEY_ADD_USER, // Question ID
STRING_TOKEN (STR_ADD_USER_TITLE), // Prompt text
STRING_TOKEN (STR_ADD_USER_HELP), // Help text
EFI_IFR_FLAG_CALLBACK, // Question flag
0 // Action String ID
);
}
//
// Add modify user profile option.
//
HiiCreateGotoOpCode (
StartOpCodeHandle, // Container for dynamic created opcodes
FORMID_MODIFY_USER, // Target Form ID
STRING_TOKEN (STR_MODIFY_USER_TITLE), // Prompt text
STRING_TOKEN (STR_MODIFY_USER_HELP), // Help text
EFI_IFR_FLAG_CALLBACK, // Question flag
KEY_MODIFY_USER // Question ID
);
//
// Add delete user profile option
//
if (CurrentAccessRight == EFI_USER_INFO_ACCESS_MANAGE) {
HiiCreateGotoOpCode (
StartOpCodeHandle, // Container for dynamic created opcodes
FORMID_DEL_USER, // Target Form ID
STRING_TOKEN (STR_DELETE_USER_TITLE), // Prompt text
STRING_TOKEN (STR_DELETE_USER_HELP), // Help text
EFI_IFR_FLAG_CALLBACK, // Question flag
KEY_DEL_USER // Question ID
);
}
HiiUpdateForm (
mCallbackInfo->HiiHandle, // HII handle
&gUserProfileManagerGuid, // Formset GUID
FORMID_USER_MANAGE, // Form ID
StartOpCodeHandle, // Label for where to insert opcodes
EndOpCodeHandle // Replace data
);
HiiFreeOpCodeHandle (StartOpCodeHandle);
HiiFreeOpCodeHandle (EndOpCodeHandle);
return EFI_SUCCESS;
}
break;
case EFI_BROWSER_ACTION_FORM_CLOSE:
Status = EFI_SUCCESS;
break;
case EFI_BROWSER_ACTION_CHANGED:
{
//
// Handle the request from form.
//
if ((Value == NULL) || (ActionRequest == NULL)) {
return EFI_INVALID_PARAMETER;
}
//
// Judge first 2 bits.
//
switch (QuestionId & KEY_FIRST_FORM_MASK) {
//
// Add user profile operation.
//
case KEY_ADD_USER:
CallAddUser ();
break;
//
// Delete user profile operation.
//
case KEY_DEL_USER:
//
// Judge next 2 bits.
//
switch (QuestionId & KEY_SECOND_FORM_MASK) {
//
// Delete specified user profile.
//
case KEY_SELECT_USER:
DeleteUser ((UINT8) QuestionId);
//
// Update select user form after delete a user.
//
SelectUserToDelete ();
break;
default:
break;
}
break;
//
// Modify user profile operation.
//
case KEY_MODIFY_USER:
//
// Judge next 2 bits.
//
switch (QuestionId & KEY_SECOND_FORM_MASK) {
//
// Enter user profile information form.
//
case KEY_SELECT_USER:
//
// Judge next 3 bits.
//
switch (QuestionId & KEY_MODIFY_INFO_MASK) {
//
// Modify user name.
//
case KEY_MODIFY_NAME:
ModifyUserName ();
//
// Update username in parent form.
//
SelectUserToModify ();
break;
//
// Modify identity policy.
//
case KEY_MODIFY_IP:
//
// Judge next 3 bits
//
switch (QuestionId & KEY_MODIFY_IP_MASK) {
//
// Change credential provider option.
//
case KEY_MODIFY_PROV:
mProviderChoice = Value->u8;
break;
//
// Change logical connector.
//
case KEY_MODIFY_CONN:
mConncetLogical = Value->u8;
break;
//
// Save option.
//
case KEY_ADD_IP_OP:
AddIdentityPolicyItem ();
break;
//
// Return to user profile information form.
//
case KEY_IP_RETURN_UIF:
SaveIdentityPolicy ();
*ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_SUBMIT_EXIT;
break;
default:
break;
}
break;
//
// Modify access policy.
//
case KEY_MODIFY_AP:
//
// Judge next 3 bits.
//
switch (QuestionId & KEY_MODIFY_AP_MASK) {
//
// Change access right choice.
//
case KEY_MODIFY_RIGHT:
mAccessInfo.AccessRight = Value->u8;
break;
//
// Change setup choice.
//
case KEY_MODIFY_SETUP:
mAccessInfo.AccessSetup= Value->u8;
break;
//
// Change boot order choice.
//
case KEY_MODIFY_BOOT:
mAccessInfo.AccessBootOrder = Value->u32;
break;
//
// Return to user profile information form.
//
case KEY_AP_RETURN_UIF:
SaveAccessPolicy ();
*ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_SUBMIT_EXIT;
break;
default:
break;
}
break;
default:
break;
}
break;
//
// Access policy device path modified.
//
case KEY_MODIFY_AP_DP:
//
// Judge next 2 bits.
//
switch (QuestionId & KEY_MODIFY_DP_MASK) {
//
// Load permit device path modified.
//
case KEY_LOAD_PERMIT_MODIFY:
QuestionStr = GetStringById (STRING_TOKEN (STR_MOVE_TO_FORBID_LIST));
PromptStr = GetStringById (STRING_TOKEN (STR_PRESS_KEY_CONTINUE));
CreatePopUp (
EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,
&Key,
QuestionStr,
L"",
PromptStr,
NULL
);
FreePool (QuestionStr);
FreePool (PromptStr);
if (Key.UnicodeChar != CHAR_CARRIAGE_RETURN) {
break;
}
AddToForbidLoad ((UINT16)(QuestionId & (KEY_MODIFY_DP_MASK - 1)));
DisplayLoadPermit ();
break;
//
// Load forbid device path modified.
//
case KEY_LOAD_FORBID_MODIFY:
QuestionStr = GetStringById (STRING_TOKEN (STR_MOVE_TO_PERMIT_LIST));
PromptStr = GetStringById (STRING_TOKEN (STR_PRESS_KEY_CONTINUE));
CreatePopUp (
EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,
&Key,
QuestionStr,
L"",
PromptStr,
NULL
);
FreePool (QuestionStr);
FreePool (PromptStr);
if (Key.UnicodeChar != CHAR_CARRIAGE_RETURN) {
break;
}
DeleteFromForbidLoad ((UINT16)(QuestionId & (KEY_MODIFY_DP_MASK - 1)));
DisplayLoadForbid ();
break;
//
// Connect permit device path modified.
//
case KEY_CONNECT_PERMIT_MODIFY:
break;
//
// Connect forbid device path modified.
//
case KEY_CONNECT_FORBID_MODIFY:
break;
default:
break;
}
break;
default:
break;
}
break;
default:
break;
}
}
break;
case EFI_BROWSER_ACTION_CHANGING:
{
//
// Handle the request from form.
//
if (Value == NULL) {
return EFI_INVALID_PARAMETER;
}
//
// Judge first 2 bits.
//
switch (QuestionId & KEY_FIRST_FORM_MASK) {
//
// Delete user profile operation.
//
case KEY_DEL_USER:
//
// Judge next 2 bits.
//
switch (QuestionId & KEY_SECOND_FORM_MASK) {
//
// Enter delete user profile form.
//
case KEY_ENTER_NEXT_FORM:
SelectUserToDelete ();
break;
default:
break;
}
break;
//
// Modify user profile operation.
//
case KEY_MODIFY_USER:
//
// Judge next 2 bits.
//
switch (QuestionId & KEY_SECOND_FORM_MASK) {
//
// Enter modify user profile form.
//
case KEY_ENTER_NEXT_FORM:
SelectUserToModify ();
break;
//
// Enter user profile information form.
//
case KEY_SELECT_USER:
//
// Judge next 3 bits.
//
switch (QuestionId & KEY_MODIFY_INFO_MASK) {
//
// Display user information form.
//
case KEY_ENTER_NEXT_FORM:
ModifyUserInfo ((UINT8) QuestionId);
break;
//
// Modify identity policy.
//
case KEY_MODIFY_IP:
//
// Judge next 3 bits
//
switch (QuestionId & KEY_MODIFY_IP_MASK) {
//
// Display identity policy modify form.
//
case KEY_ENTER_NEXT_FORM:
ModifyIdentityPolicy ();
break;
default:
break;
}
break;
//
// Modify access policy.
//
case KEY_MODIFY_AP:
//
// Judge next 3 bits.
//
switch (QuestionId & KEY_MODIFY_AP_MASK) {
//
// Display access policy modify form.
//
case KEY_ENTER_NEXT_FORM:
ModidyAccessPolicy ();
break;
//
// Load device path form.
//
case KEY_MODIFY_LOAD:
//
// Judge next 2 bits.
//
switch (QuestionId & KEY_DISPLAY_DP_MASK) {
//
// Permit load device path.
//
case KEY_PERMIT_MODIFY:
DisplayLoadPermit ();
break;
//
// Forbid load device path.
//
case KEY_FORBID_MODIFY:
DisplayLoadForbid ();
break;
default:
break;
}
break;
//
// Connect device path form.
//
case KEY_MODIFY_CONNECT:
//
// Judge next 2 bits.
//
switch (QuestionId & KEY_DISPLAY_DP_MASK) {
//
// Permit connect device path.
//
case KEY_PERMIT_MODIFY:
DisplayConnectPermit ();
break;
//
// Forbid connect device path.
//
case KEY_FORBID_MODIFY:
DisplayConnectForbid ();
break;
default:
break;
}
break;
default:
break;
}
break;
default:
break;
}
break;
default:
break;
}
break;
default:
break;
}
}
break;
default:
//
// All other action return unsupported.
//
Status = EFI_UNSUPPORTED;
break;
}
return Status;
}
