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alder_lake_bios/Intel/AlderLake/AlderLakePlatSamplePkg/Features/UiApp/BootMaint/Variable.c

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/** @file
Variable operation that will be used by bootmaint
@copyright
INTEL CONFIDENTIAL
Copyright 2004 - 2019 Intel Corporation.
The source code contained or described herein and all documents related to the
source code ("Material") are owned by Intel Corporation or its suppliers or
licensors. Title to the Material remains with Intel Corporation or its suppliers
and licensors. The Material may contain trade secrets and proprietary and
confidential information of Intel Corporation and its suppliers and licensors,
and is protected by worldwide copyright and trade secret laws and treaty
provisions. No part of the Material may be used, copied, reproduced, modified,
published, uploaded, posted, transmitted, distributed, or disclosed in any way
without Intel's prior express written permission.
No license under any patent, copyright, trade secret or other intellectual
property right is granted to or conferred upon you by disclosure or delivery
of the Materials, either expressly, by implication, inducement, estoppel or
otherwise. Any license under such intellectual property rights must be
express and approved by Intel in writing.
Unless otherwise agreed by Intel in writing, you may not remove or alter
this notice or any other notice embedded in Materials by Intel or
Intel's suppliers or licensors in any way.
This file contains a 'Sample Driver' and is licensed as such under the terms
of your license agreement with Intel or your vendor. This file may be modified
by the user, subject to the additional terms of the license agreement.
@par Specification Reference:
**/
#include "BootMaint.h"
/**
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;
}
/**
After any operation on Boot####, there will be a discrepancy in BootOrder.
Since some are missing but in BootOrder, while some are present but are
not reflected by BootOrder. Then a function rebuild BootOrder from
scratch by content from BootOptionMenu is needed.
@retval EFI_SUCCESS The boot order is updated successfully.
@return EFI_STATUS other than EFI_SUCCESS if failed to
Set the "BootOrder" EFI Variable.
**/
EFI_STATUS
Var_ChangeBootOrder (
VOID
)
{
EFI_STATUS Status;
BM_MENU_ENTRY *NewMenuEntry;
UINT16 *BootOrderList;
UINT16 *BootOrderListPtr;
UINTN BootOrderListSize;
UINTN Index;
UINTN Index2;
EFI_BOOT_MANAGER_LOAD_OPTION *BootOption;
BootOrderList = NULL;
BootOrderListSize = 0;
BootOption = NULL;
NewMenuEntry = NULL;
Status = EFI_SUCCESS;
//
// First check whether BootOrder is present in current configuration
//
GetEfiGlobalVariable2 (L"BootOrder", (VOID **) &BootOrderList, &BootOrderListSize);
//
// If exists, delete it to hold new BootOrder
//
if (BootOrderList != NULL) {
BootOption = EfiBootManagerGetLoadOptions (&BootOrderListSize, LoadOptionTypeBoot);
EfiLibDeleteVariable (L"BootOrder", &gEfiGlobalVariableGuid);
FreePool (BootOrderList);
BootOrderList = NULL;
}
//
// Maybe here should be some check method to ensure that
// no new added boot options will be added
// but the setup engine now will give only one callback
// that is to say, user are granted only one chance to
// decide whether the boot option will be added or not
// there should be no indictor to show whether this
// is a "new" boot option
//
if ((BootOrderListSize > 0) && (BootOption != NULL)) {
BootOrderList = AllocateZeroPool (BootOrderListSize * sizeof (UINT16));
ASSERT (BootOrderList != NULL);
if (BootOrderList == NULL) {
EfiBootManagerFreeLoadOptions (BootOption, BootOrderListSize);
return EFI_OUT_OF_RESOURCES;
}
BootOrderListPtr = BootOrderList;
//
// Get all current used, hidden and inactive Boot#### from BootOptionMenu and BootOption.
// OptionNumber in each BM_LOAD_OPTION is really its
// #### value.
//
for (Index = 0; Index < BootOrderListSize; Index++) {
if (((BootOption[Index].Attributes & LOAD_OPTION_HIDDEN) != 0) || ((BootOption[Index].Attributes & LOAD_OPTION_ACTIVE) == 0)) {
*BootOrderList = (UINT16) BootOption[Index].OptionNumber;
} else {
//
// If the option exists in both BootOption and BootOptionMenu, put it into BootOrderList.
//
for (Index2 = 0; Index2 < BootOptionMenu.MenuNumber; Index2++) {
NewMenuEntry = BOpt_GetMenuEntry (&BootOptionMenu, Index2);
if (NewMenuEntry->OptionNumber == BootOption[Index].OptionNumber) {
*BootOrderList = (UINT16) NewMenuEntry->OptionNumber;
break;
}
}
if (NewMenuEntry != NULL) {
if (*BootOrderList != (UINT16) NewMenuEntry->OptionNumber) {
continue;
}
}
}
BootOrderList++;
}
BootOrderList = BootOrderListPtr;
//
// After building the BootOrderList, write it back
//
Status = gRT->SetVariable (
L"BootOrder",
&gEfiGlobalVariableGuid,
VAR_ATTR_NV_BS_RT,
BootOrderListSize * sizeof (UINT16),
BootOrderList
);
}
if (BootOption != NULL) {
EfiBootManagerFreeLoadOptions (BootOption, BootOrderListSize);
}
return Status;
}
/**
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;
}
/**
After any operation on Driver####, there will be a discrepancy in
DriverOrder. Since some are missing but in DriverOrder, while some
are present but are not reflected by DriverOrder. Then a function
rebuild DriverOrder from scratch by content from DriverOptionMenu is
needed.
@retval EFI_SUCCESS The driver order is updated successfully.
@return Other status than EFI_SUCCESS if failed to set the "DriverOrder" EFI Variable.
**/
EFI_STATUS
Var_ChangeDriverOrder (
VOID
)
{
EFI_STATUS Status;
BM_MENU_ENTRY *NewMenuEntry;
UINT16 *DriverOrderList;
UINT16 *DriverOrderListPtr;
UINTN DriverOrderListSize;
UINTN Index;
DriverOrderList = NULL;
DriverOrderListSize = 0;
//
// First check whether DriverOrder is present in current configuration
//
GetEfiGlobalVariable2 (L"DriverOrder", (VOID **) &DriverOrderList, &DriverOrderListSize);
//
// If exists, delete it to hold new DriverOrder
//
if (DriverOrderList != NULL) {
EfiLibDeleteVariable (L"DriverOrder", &gEfiGlobalVariableGuid);
FreePool (DriverOrderList);
DriverOrderList = NULL;
}
DriverOrderListSize = DriverOptionMenu.MenuNumber;
if (DriverOrderListSize > 0) {
DriverOrderList = AllocateZeroPool (DriverOrderListSize * sizeof (UINT16));
ASSERT (DriverOrderList != NULL);
if (DriverOrderList == NULL) {
return EFI_OUT_OF_RESOURCES;
}
DriverOrderListPtr = DriverOrderList;
//
// Get all current used Driver#### from DriverOptionMenu.
// OptionNumber in each BM_LOAD_OPTION is really its
// #### value.
//
for (Index = 0; Index < DriverOrderListSize; Index++) {
NewMenuEntry = BOpt_GetMenuEntry (&DriverOptionMenu, Index);
*DriverOrderList = (UINT16) NewMenuEntry->OptionNumber;
DriverOrderList++;
}
DriverOrderList = DriverOrderListPtr;
//
// After building the DriverOrderList, write it back
//
Status = gRT->SetVariable (
L"DriverOrder",
&gEfiGlobalVariableGuid,
VAR_ATTR_NV_BS_RT,
DriverOrderListSize * sizeof (UINT16),
DriverOrderList
);
if (EFI_ERROR (Status)) {
return Status;
}
}
return EFI_SUCCESS;
}
/**
Update the device path of "ConOut", "ConIn" and "ErrOut"
based on the new BaudRate, Data Bits, parity and Stop Bits
set.
**/
VOID
Var_UpdateAllConsoleOption (
VOID
)
{
EFI_DEVICE_PATH_PROTOCOL *OutDevicePath;
EFI_DEVICE_PATH_PROTOCOL *InpDevicePath;
EFI_DEVICE_PATH_PROTOCOL *ErrDevicePath;
EFI_STATUS Status;
GetEfiGlobalVariable2 (L"ConOut", (VOID **) &OutDevicePath, NULL);
GetEfiGlobalVariable2 (L"ConIn", (VOID **) &InpDevicePath, NULL);
GetEfiGlobalVariable2 (L"ErrOut", (VOID **) &ErrDevicePath, NULL);
if (OutDevicePath != NULL) {
ChangeVariableDevicePath (OutDevicePath);
Status = gRT->SetVariable (
L"ConOut",
&gEfiGlobalVariableGuid,
VAR_ATTR_NV_BS_RT,
GetDevicePathSize (OutDevicePath),
OutDevicePath
);
ASSERT (!EFI_ERROR (Status));
}
if (InpDevicePath != NULL) {
ChangeVariableDevicePath (InpDevicePath);
Status = gRT->SetVariable (
L"ConIn",
&gEfiGlobalVariableGuid,
VAR_ATTR_NV_BS_RT,
GetDevicePathSize (InpDevicePath),
InpDevicePath
);
ASSERT (!EFI_ERROR (Status));
}
if (ErrDevicePath != NULL) {
ChangeVariableDevicePath (ErrDevicePath);
Status = gRT->SetVariable (
L"ErrOut",
&gEfiGlobalVariableGuid,
VAR_ATTR_NV_BS_RT,
GetDevicePathSize (ErrDevicePath),
ErrDevicePath
);
ASSERT (!EFI_ERROR (Status));
}
}
/**
This function delete and build multi-instance device path for
specified type of console device.
This function clear the EFI variable defined by ConsoleName and
gEfiGlobalVariableGuid. It then build the multi-instance device
path by appending the device path of the Console (In/Out/Err) instance
in ConsoleMenu. Then it scan all corresponding console device by
scanning Terminal (built from device supporting Serial I/O instances)
devices in TerminalMenu. At last, it save a EFI variable specifed
by ConsoleName and gEfiGlobalVariableGuid.
@param ConsoleName The name for the console device type. They are
usually "ConIn", "ConOut" and "ErrOut".
@param ConsoleMenu The console memu which is a list of console devices.
@param UpdatePageId The flag specifying which type of console device
to be processed.
@retval EFI_SUCCESS The function complete successfully.
@return The EFI variable can not be saved. See gRT->SetVariable for detail return information.
**/
EFI_STATUS
Var_UpdateConsoleOption (
IN UINT16 *ConsoleName,
IN BM_MENU_OPTION *ConsoleMenu,
IN UINT16 UpdatePageId
)
{
EFI_DEVICE_PATH_PROTOCOL *ConDevicePath;
EFI_DEVICE_PATH_PROTOCOL *ConActDevPath;
BM_MENU_ENTRY *NewMenuEntry;
BM_CONSOLE_CONTEXT *NewConsoleContext;
BM_TERMINAL_CONTEXT *NewTerminalContext;
EFI_STATUS Status;
VENDOR_DEVICE_PATH Vendor;
EFI_DEVICE_PATH_PROTOCOL *TerminalDevicePath;
UINTN Index;
CHAR16 ActConsoleName[20];
GetEfiGlobalVariable2 (ConsoleName, (VOID **) &ConDevicePath, NULL);
if (ConDevicePath != NULL) {
EfiLibDeleteVariable (ConsoleName, &gEfiGlobalVariableGuid);
FreePool (ConDevicePath);
ConDevicePath = NULL;
};
UnicodeSPrint (ActConsoleName, sizeof (ActConsoleName), L"%sAct", ConsoleName);
GetEfiGlobalVariable2 (ActConsoleName, (VOID **) &ConActDevPath, NULL);
if (ConActDevPath != NULL) {
EfiLibDeleteVariable (
ActConsoleName,
&gPlatformGlobalVariableGuid
);
FreePool (ConActDevPath);
ConActDevPath = NULL;
}
//
// First add all console input device from console input menu
//
for (Index = 0; Index < ConsoleMenu->MenuNumber; Index++) {
NewMenuEntry = BOpt_GetMenuEntry (ConsoleMenu, Index);
NewConsoleContext = (BM_CONSOLE_CONTEXT *) NewMenuEntry->VariableContext;
if (NewConsoleContext->IsActive) {
ConDevicePath = AppendDevicePathInstance (
ConDevicePath,
NewConsoleContext->DevicePath
);
}
}
for (Index = 0; Index < TerminalMenu.MenuNumber; Index++) {
NewMenuEntry = BOpt_GetMenuEntry (&TerminalMenu, Index);
NewTerminalContext = (BM_TERMINAL_CONTEXT *) NewMenuEntry->VariableContext;
if (NewTerminalContext->IsEnabled == 0x01) {
Vendor.Header.Type = MESSAGING_DEVICE_PATH;
Vendor.Header.SubType = MSG_VENDOR_DP;
ASSERT (NewTerminalContext->TerminalType < (sizeof (TerminalTypeGuid) / sizeof (TerminalTypeGuid[0])));
CopyMem (
&Vendor.Guid,
&TerminalTypeGuid[NewTerminalContext->TerminalType],
sizeof (EFI_GUID)
);
SetDevicePathNodeLength (&Vendor.Header, sizeof (VENDOR_DEVICE_PATH));
TerminalDevicePath = AppendDevicePathNode (
NewTerminalContext->DevicePath,
(EFI_DEVICE_PATH_PROTOCOL *) &Vendor
);
ASSERT (TerminalDevicePath != NULL);
ChangeTerminalDevicePath (&TerminalDevicePath, TRUE);
ConDevicePath = AppendDevicePathInstance (
ConDevicePath,
TerminalDevicePath
);
}
}
if (ConDevicePath != NULL) {
Status = gRT->SetVariable (
ConsoleName,
&gEfiGlobalVariableGuid,
VAR_ATTR_NV_BS_RT,
GetDevicePathSize (ConDevicePath),
ConDevicePath
);
if (EFI_ERROR (Status)) {
return Status;
}
ConActDevPath = DuplicateDevicePath (ConDevicePath);
Status = gRT->SetVariable (
ActConsoleName,
&gEfiGlobalVariableGuid,
VAR_ATTR_NV_BS_RT,
GetDevicePathSize (ConActDevPath),
ConActDevPath
);
if (EFI_ERROR (Status)) {
FreePool (ConActDevPath);
return Status;
}
}
if (ConActDevPath != NULL) {
FreePool (ConActDevPath);
}
return EFI_SUCCESS;
}
/**
This function delete and build multi-instance device path ConIn
console device.
@retval EFI_SUCCESS The function complete successfully.
@return The EFI variable can not be saved. See gRT->SetVariable for detail return information.
**/
EFI_STATUS
Var_UpdateConsoleInpOption (
VOID
)
{
return Var_UpdateConsoleOption (L"ConIn", &ConsoleInpMenu, FORM_CON_IN_ID);
}
/**
This function delete and build multi-instance device path ConOut
console device.
@retval EFI_SUCCESS The function complete successfully.
@return The EFI variable can not be saved. See gRT->SetVariable for detail return information.
**/
EFI_STATUS
Var_UpdateConsoleOutOption (
VOID
)
{
return Var_UpdateConsoleOption (L"ConOut", &ConsoleOutMenu, FORM_CON_OUT_ID);
}
/**
This function delete and build multi-instance device path ErrOut
console device.
@retval EFI_SUCCESS The function complete successfully.
@return The EFI variable can not be saved. See gRT->SetVariable for detail return information.
**/
EFI_STATUS
Var_UpdateErrorOutOption (
VOID
)
{
return Var_UpdateConsoleOption (L"ErrOut", &ConsoleErrMenu, FORM_CON_ERR_ID);
}
/**
This function delete and build Out of Band console device.
@param MenuIndex Menu index which user select in the terminal menu list.
@retval EFI_SUCCESS The function complete successfully.
@return The EFI variable can not be saved. See gRT->SetVariable for detail return information.
**/
EFI_STATUS
Var_UpdateOutOfBandOption (
IN UINT16 MenuIndex
)
{
EFI_STATUS Status;
BM_MENU_ENTRY *NewMenuEntry;
BM_TERMINAL_CONTEXT *NewTerminalContext;
EFI_DEVICE_PATH_PROTOCOL *SavedDevicePath;
VENDOR_DEVICE_PATH Vendor;
UINTN DevicePathLen;
Status = EFI_SUCCESS;
NewTerminalContext = NULL;
GetVariable2 (L"OutOfBand", &gOutOfBandGuid, (VOID **) &SavedDevicePath, NULL);
if (MenuIndex < TerminalMenu.MenuNumber) {
NewMenuEntry = BOpt_GetMenuEntry (&TerminalMenu, MenuIndex);
if (NULL == NewMenuEntry) {
return EFI_NOT_FOUND;
}
NewTerminalContext = (BM_TERMINAL_CONTEXT *) NewMenuEntry->VariableContext;
ASSERT (NewTerminalContext != NULL);
if (NewTerminalContext == NULL) {
return EFI_OUT_OF_RESOURCES;
}
DevicePathLen = GetDevicePathSize (NewTerminalContext->DevicePath) - sizeof (EFI_DEVICE_PATH_PROTOCOL);
if ((SavedDevicePath == NULL) ||
(CompareMem (SavedDevicePath, NewTerminalContext->DevicePath, DevicePathLen) != 0)) {
EfiLibDeleteVariable (L"OutOfBand", &gOutOfBandGuid);
//
// Append the terminal type device path node, used for ACPI table get info about terminal type.
//
ASSERT (NewTerminalContext->TerminalType < (sizeof (TerminalTypeGuid) / sizeof (TerminalTypeGuid[0])));
CopyMem (
&Vendor.Guid,
&TerminalTypeGuid[NewTerminalContext->TerminalType],
sizeof (EFI_GUID)
);
SetDevicePathNodeLength (&Vendor.Header, sizeof (VENDOR_DEVICE_PATH));
SavedDevicePath = AppendDevicePathNode (
NewTerminalContext->DevicePath,
(EFI_DEVICE_PATH_PROTOCOL *) &Vendor
);
Status = gRT->SetVariable (
L"OutOfBand",
&gOutOfBandGuid,
VAR_ATTR_NV_BS,
GetDevicePathSize (SavedDevicePath),
SavedDevicePath
);
}
} else {
if (SavedDevicePath != NULL) {
EfiLibDeleteVariable (L"OutOfBand", &gOutOfBandGuid);
}
}
return Status;
}
/**
This function create a currently loaded Drive Option from
the BMM. It then appends this Driver Option to the end of
the "DriverOrder" list. It append this Driver Opotion to the end
of DriverOptionMenu.
@param CallbackData The BMM context data.
@param HiiHandle The HII handle associated with the BMM formset.
@param DescriptionData The description of this driver option.
@param OptionalData The optional load option.
@param ForceReconnect If to force reconnect.
@param DescriptionSize Size of DescriptionData.
@retval EFI_OUT_OF_RESOURCES If not enought memory to complete the operation.
@retval EFI_SUCCESS If function completes successfully.
@retval EFI_BUFFER_TOO_SMALL DescriptionSize is zero.
**/
EFI_STATUS
Var_UpdateDriverOption (
IN BMM_CALLBACK_DATA *CallbackData,
IN EFI_HII_HANDLE HiiHandle,
IN UINT16 *DescriptionData,
IN UINT16 *OptionalData,
IN UINT8 ForceReconnect,
IN UINTN DescriptionSize
)
{
UINT16 Index;
UINT16 *DriverOrderList;
UINT16 *NewDriverOrderList;
UINT16 DriverString[12];
UINTN DriverOrderListSize;
VOID *Buffer;
UINTN BufferSize;
UINT8 *Ptr;
BM_MENU_ENTRY *NewMenuEntry;
BM_LOAD_CONTEXT *NewLoadContext;
BOOLEAN OptionalDataExist;
EFI_STATUS Status;
if (DescriptionSize == 0) {
return EFI_BUFFER_TOO_SMALL;
}
OptionalDataExist = FALSE;
Index = BOpt_GetDriverOptionNumber ();
UnicodeSPrint (
DriverString,
sizeof (DriverString),
L"Driver%04X",
Index
);
if (*DescriptionData == 0x0000) {
StrCpyS (DescriptionData, DescriptionSize, DriverString);
}
BufferSize = sizeof (UINT32) + sizeof (UINT16) + StrSize (DescriptionData);
BufferSize += GetDevicePathSize (CallbackData->LoadContext->FilePathList);
if (*OptionalData != 0x0000) {
OptionalDataExist = TRUE;
BufferSize += StrSize (OptionalData);
}
Buffer = AllocateZeroPool (BufferSize);
if (NULL == Buffer) {
return EFI_OUT_OF_RESOURCES;
}
NewMenuEntry = BOpt_CreateMenuEntry (BM_LOAD_CONTEXT_SELECT);
if (NULL == NewMenuEntry) {
FreePool (Buffer);
return EFI_OUT_OF_RESOURCES;
}
NewLoadContext = (BM_LOAD_CONTEXT *) NewMenuEntry->VariableContext;
NewLoadContext->Deleted = FALSE;
NewLoadContext->LoadOptionSize = BufferSize;
Ptr = (UINT8 *) Buffer;
NewLoadContext->LoadOption = Ptr;
*((UINT32 *) Ptr) = LOAD_OPTION_ACTIVE | (ForceReconnect << 1);
NewLoadContext->Attributes = *((UINT32 *) Ptr);
NewLoadContext->IsActive = TRUE;
NewLoadContext->ForceReconnect = (BOOLEAN) (NewLoadContext->Attributes & LOAD_OPTION_FORCE_RECONNECT);
Ptr += sizeof (UINT32);
*((UINT16 *) Ptr) = (UINT16) GetDevicePathSize (CallbackData->LoadContext->FilePathList);
NewLoadContext->FilePathListLength = *((UINT16 *) Ptr);
Ptr += sizeof (UINT16);
CopyMem (
Ptr,
DescriptionData,
StrSize (DescriptionData)
);
NewLoadContext->Description = AllocateZeroPool (StrSize (DescriptionData));
ASSERT (NewLoadContext->Description != NULL);
NewMenuEntry->DisplayString = NewLoadContext->Description;
CopyMem (
NewLoadContext->Description,
(VOID *) Ptr,
StrSize (DescriptionData)
);
Ptr += StrSize (DescriptionData);
CopyMem (
Ptr,
CallbackData->LoadContext->FilePathList,
GetDevicePathSize (CallbackData->LoadContext->FilePathList)
);
NewLoadContext->FilePathList = AllocateZeroPool (GetDevicePathSize (CallbackData->LoadContext->FilePathList));
ASSERT (NewLoadContext->FilePathList != NULL);
CopyMem (
NewLoadContext->FilePathList,
(VOID *) Ptr,
GetDevicePathSize (CallbackData->LoadContext->FilePathList)
);
NewMenuEntry->HelpString = UiDevicePathToStr (NewLoadContext->FilePathList);
NewMenuEntry->OptionNumber = Index;
NewMenuEntry->DisplayStringToken = GetStringTokenFromDepository (
CallbackData,
DriverOptionStrDepository
);
NewMenuEntry->DisplayStringToken = HiiSetString (HiiHandle, 0, NewMenuEntry->DisplayString, NULL);
NewMenuEntry->HelpStringToken = GetStringTokenFromDepository (
CallbackData,
DriverOptionHelpStrDepository
);
NewMenuEntry->HelpStringToken = HiiSetString (HiiHandle, 0, NewMenuEntry->HelpString, NULL);
if (OptionalDataExist) {
Ptr += (UINT8) GetDevicePathSize (CallbackData->LoadContext->FilePathList);
CopyMem (
Ptr,
OptionalData,
StrSize (OptionalData)
);
}
Status = gRT->SetVariable (
DriverString,
&gEfiGlobalVariableGuid,
VAR_ATTR_NV_BS_RT,
BufferSize,
Buffer
);
ASSERT_EFI_ERROR (Status);
GetEfiGlobalVariable2 (L"DriverOrder", (VOID **) &DriverOrderList, &DriverOrderListSize);
NewDriverOrderList = AllocateZeroPool (DriverOrderListSize + sizeof (UINT16));
ASSERT (NewDriverOrderList != NULL);
if (NewDriverOrderList == NULL) {
return EFI_OUT_OF_RESOURCES;
}
CopyMem (NewDriverOrderList, DriverOrderList, DriverOrderListSize);
NewDriverOrderList[DriverOrderListSize / sizeof (UINT16)] = Index;
if (DriverOrderList != NULL) {
EfiLibDeleteVariable (L"DriverOrder", &gEfiGlobalVariableGuid);
}
Status = gRT->SetVariable (
L"DriverOrder",
&gEfiGlobalVariableGuid,
VAR_ATTR_NV_BS_RT,
DriverOrderListSize + sizeof (UINT16),
NewDriverOrderList
);
ASSERT_EFI_ERROR (Status);
if (DriverOrderList != NULL) {
FreePool (DriverOrderList);
}
DriverOrderList = NULL;
FreePool (NewDriverOrderList);
InsertTailList (&DriverOptionMenu.Head, &NewMenuEntry->Link);
DriverOptionMenu.MenuNumber++;
*DescriptionData = 0x0000;
*OptionalData = 0x0000;
return EFI_SUCCESS;
}
/**
This function create a currently loaded Boot Option from
the BMM. It then appends this Boot Option to the end of
the "BootOrder" list. It also append this Boot Opotion to the end
of BootOptionMenu.
@param CallbackData The BMM context data.
@param NvRamMap The file explorer formset internal state.
@param BootDescriptionSize Size of NvRamMap->BootOptionalData.
@retval EFI_OUT_OF_RESOURCES If not enought memory to complete the operation.
@retval EFI_SUCCESS If function completes successfully.
@retval EFI_BUFFER_TOO_SMALL BootDescriptionSize is zero.
**/
EFI_STATUS
Var_UpdateBootOption (
IN BMM_CALLBACK_DATA *CallbackData,
IN FILE_EXPLORER_NV_DATA *NvRamMap,
IN UINTN BootDescriptionSize
)
{
UINT16 *BootOrderList;
UINT16 *NewBootOrderList;
UINTN BootOrderListSize;
UINT16 BootString[10];
VOID *Buffer;
UINTN BufferSize;
UINT8 *Ptr;
UINT16 Index;
BM_MENU_ENTRY *NewMenuEntry;
BM_LOAD_CONTEXT *NewLoadContext;
BOOLEAN OptionalDataExist;
EFI_STATUS Status;
if (BootDescriptionSize == 0) {
return EFI_BUFFER_TOO_SMALL;
}
OptionalDataExist = FALSE;
Index = BOpt_GetBootOptionNumber () ;
UnicodeSPrint (BootString, sizeof (BootString), L"Boot%04X", Index);
if (NvRamMap->BootDescriptionData[0] == 0x0000) {
StrCpyS (NvRamMap->BootDescriptionData, BootDescriptionSize, BootString);
}
BufferSize = sizeof (UINT32) + sizeof (UINT16) + StrSize (NvRamMap->BootDescriptionData);
BufferSize += GetDevicePathSize (CallbackData->LoadContext->FilePathList);
if (NvRamMap->BootOptionalData[0] != 0x0000) {
OptionalDataExist = TRUE;
BufferSize += StrSize (NvRamMap->BootOptionalData);
}
Buffer = AllocateZeroPool (BufferSize);
if (NULL == Buffer) {
return EFI_OUT_OF_RESOURCES;
}
NewMenuEntry = BOpt_CreateMenuEntry (BM_LOAD_CONTEXT_SELECT);
if (NULL == NewMenuEntry) {
return EFI_OUT_OF_RESOURCES;
}
NewLoadContext = (BM_LOAD_CONTEXT *) NewMenuEntry->VariableContext;
NewLoadContext->Deleted = FALSE;
NewLoadContext->LoadOptionSize = BufferSize;
Ptr = (UINT8 *) Buffer;
NewLoadContext->LoadOption = Ptr;
*((UINT32 *) Ptr) = LOAD_OPTION_ACTIVE;
NewLoadContext->Attributes = *((UINT32 *) Ptr);
NewLoadContext->IsActive = TRUE;
NewLoadContext->ForceReconnect = (BOOLEAN) (NewLoadContext->Attributes & LOAD_OPTION_FORCE_RECONNECT);
Ptr += sizeof (UINT32);
*((UINT16 *) Ptr) = (UINT16) GetDevicePathSize (CallbackData->LoadContext->FilePathList);
NewLoadContext->FilePathListLength = *((UINT16 *) Ptr);
Ptr += sizeof (UINT16);
CopyMem (
Ptr,
NvRamMap->BootDescriptionData,
StrSize (NvRamMap->BootDescriptionData)
);
NewLoadContext->Description = AllocateZeroPool (StrSize (NvRamMap->BootDescriptionData));
ASSERT (NewLoadContext->Description != NULL);
NewMenuEntry->DisplayString = NewLoadContext->Description;
CopyMem (
NewLoadContext->Description,
(VOID *) Ptr,
StrSize (NvRamMap->BootDescriptionData)
);
Ptr += StrSize (NvRamMap->BootDescriptionData);
CopyMem (
Ptr,
CallbackData->LoadContext->FilePathList,
GetDevicePathSize (CallbackData->LoadContext->FilePathList)
);
NewLoadContext->FilePathList = AllocateZeroPool (GetDevicePathSize (CallbackData->LoadContext->FilePathList));
ASSERT (NewLoadContext->FilePathList != NULL);
CopyMem (
NewLoadContext->FilePathList,
(VOID *) Ptr,
GetDevicePathSize (CallbackData->LoadContext->FilePathList)
);
NewMenuEntry->HelpString = UiDevicePathToStr (NewLoadContext->FilePathList);
NewMenuEntry->OptionNumber = Index;
NewMenuEntry->DisplayStringToken = GetStringTokenFromDepository (
CallbackData,
BootOptionStrDepository
);
NewMenuEntry->DisplayStringToken = HiiSetString (CallbackData->FeHiiHandle, 0, NewMenuEntry->DisplayString, NULL);
NewMenuEntry->HelpStringToken = GetStringTokenFromDepository (
CallbackData,
BootOptionHelpStrDepository
);
NewMenuEntry->HelpStringToken = HiiSetString (CallbackData->FeHiiHandle, 0, NewMenuEntry->HelpString, NULL);
if (OptionalDataExist) {
Ptr += (UINT8) GetDevicePathSize (CallbackData->LoadContext->FilePathList);
CopyMem (Ptr, NvRamMap->BootOptionalData, StrSize (NvRamMap->BootOptionalData));
}
Status = gRT->SetVariable (
BootString,
&gEfiGlobalVariableGuid,
VAR_ATTR_NV_BS_RT,
BufferSize,
Buffer
);
ASSERT_EFI_ERROR (Status);
GetEfiGlobalVariable2 (L"BootOrder", (VOID **) &BootOrderList, &BootOrderListSize);
NewBootOrderList = AllocateZeroPool (BootOrderListSize + sizeof (UINT16));
ASSERT (NewBootOrderList != NULL);
if (NewBootOrderList == NULL) {
return EFI_OUT_OF_RESOURCES;
}
CopyMem (NewBootOrderList, BootOrderList, BootOrderListSize);
NewBootOrderList[BootOrderListSize / sizeof (UINT16)] = Index;
if (BootOrderList != NULL) {
FreePool (BootOrderList);
}
Status = gRT->SetVariable (
L"BootOrder",
&gEfiGlobalVariableGuid,
VAR_ATTR_NV_BS_RT,
BootOrderListSize + sizeof (UINT16),
NewBootOrderList
);
ASSERT_EFI_ERROR (Status);
FreePool (NewBootOrderList);
NewBootOrderList = NULL;
InsertTailList (&BootOptionMenu.Head, &NewMenuEntry->Link);
BootOptionMenu.MenuNumber++;
NvRamMap->BootDescriptionData[0] = 0x0000;
NvRamMap->BootOptionalData[0] = 0x0000;
return EFI_SUCCESS;
}
/**
This function update the "BootNext" EFI Variable. If there is
no "BootNext" specified in BMM, this EFI Variable is deleted.
It also update the BMM context data specified the "BootNext"
vaule.
@param CallbackData The BMM context data.
@retval EFI_SUCCESS The function complete successfully.
@return The EFI variable can be saved. See gRT->SetVariable
for detail return information.
**/
EFI_STATUS
Var_UpdateBootNext (
IN BMM_CALLBACK_DATA *CallbackData
)
{
BM_MENU_ENTRY *NewMenuEntry;
BM_LOAD_CONTEXT *NewLoadContext;
BMM_FAKE_NV_DATA *CurrentFakeNVMap;
UINT16 Index;
EFI_STATUS Status;
Status = EFI_SUCCESS;
CurrentFakeNVMap = &CallbackData->BmmFakeNvData;
for (Index = 0; Index < BootOptionMenu.MenuNumber; Index++) {
NewMenuEntry = BOpt_GetMenuEntry (&BootOptionMenu, Index);
ASSERT (NULL != NewMenuEntry);
if (NewMenuEntry == NULL) {
return EFI_NOT_FOUND;
}
NewLoadContext = (BM_LOAD_CONTEXT *) NewMenuEntry->VariableContext;
NewLoadContext->IsBootNext = FALSE;
}
if (CurrentFakeNVMap->BootNext == BootOptionMenu.MenuNumber) {
EfiLibDeleteVariable (L"BootNext", &gEfiGlobalVariableGuid);
return EFI_SUCCESS;
}
NewMenuEntry = BOpt_GetMenuEntry (
&BootOptionMenu,
CurrentFakeNVMap->BootNext
);
ASSERT (NewMenuEntry != NULL);
if (NewMenuEntry == NULL) {
return EFI_NOT_FOUND;
}
NewLoadContext = (BM_LOAD_CONTEXT *) NewMenuEntry->VariableContext;
Status = gRT->SetVariable (
L"BootNext",
&gEfiGlobalVariableGuid,
VAR_ATTR_NV_BS_RT,
sizeof (UINT16),
&NewMenuEntry->OptionNumber
);
NewLoadContext->IsBootNext = TRUE;
CallbackData->BmmOldFakeNVData.BootNext = CurrentFakeNVMap->BootNext;
return Status;
}
/**
This function update the "BootOrder" EFI Variable based on
BMM Formset's NV map. It then refresh BootOptionMenu
with the new "BootOrder" list.
@param CallbackData The BMM context data.
@retval EFI_SUCCESS The function complete successfully.
@retval EFI_OUT_OF_RESOURCES Not enough memory to complete the function.
@return The EFI variable can not be saved. See gRT->SetVariable for detail return information.
**/
EFI_STATUS
Var_UpdateBootOrder (
IN BMM_CALLBACK_DATA *CallbackData
)
{
EFI_STATUS Status;
UINT16 Index;
UINT16 OrderIndex;
UINT16 *BootOrder;
UINTN BootOrderSize;
UINT16 OptionNumber;
//
// First check whether BootOrder is present in current configuration
//
GetEfiGlobalVariable2 (L"BootOrder", (VOID **) &BootOrder, &BootOrderSize);
if (BootOrder == NULL) {
return EFI_OUT_OF_RESOURCES;
}
ASSERT (BootOptionMenu.MenuNumber <= (sizeof (CallbackData->BmmFakeNvData.BootOptionOrder) / sizeof (CallbackData->BmmFakeNvData.BootOptionOrder[0])));
//
// OptionOrder is subset of BootOrder
//
for (OrderIndex = 0; (OrderIndex < BootOptionMenu.MenuNumber) && (CallbackData->BmmFakeNvData.BootOptionOrder[OrderIndex] != 0); OrderIndex++) {
for (Index = OrderIndex; Index < BootOrderSize / sizeof (UINT16); Index++) {
if ((BootOrder[Index] == (UINT16) (CallbackData->BmmFakeNvData.BootOptionOrder[OrderIndex] - 1)) && (OrderIndex != Index)) {
OptionNumber = BootOrder[Index];
CopyMem (&BootOrder[OrderIndex + 1], &BootOrder[OrderIndex], (Index - OrderIndex) * sizeof (UINT16));
BootOrder[OrderIndex] = OptionNumber;
}
}
}
Status = gRT->SetVariable (
L"BootOrder",
&gEfiGlobalVariableGuid,
VAR_ATTR_NV_BS_RT,
BootOrderSize,
BootOrder
);
FreePool (BootOrder);
BOpt_FreeMenu (&BootOptionMenu);
BOpt_GetBootOptions (CallbackData);
return Status;
}
/**
This function update the "DriverOrder" EFI Variable based on
BMM Formset's NV map. It then refresh DriverOptionMenu
with the new "DriverOrder" list.
@param CallbackData The BMM context data.
@retval EFI_SUCCESS The function complete successfully.
@retval EFI_OUT_OF_RESOURCES Not enough memory to complete the function.
@return The EFI variable can not be saved. See gRT->SetVariable for detail return information.
**/
EFI_STATUS
Var_UpdateDriverOrder (
IN BMM_CALLBACK_DATA *CallbackData
)
{
EFI_STATUS Status;
UINT16 Index;
UINT16 *DriverOrderList;
UINT16 *NewDriverOrderList;
UINTN DriverOrderListSize;
DriverOrderList = NULL;
DriverOrderListSize = 0;
//
// First check whether DriverOrder is present in current configuration
//
GetEfiGlobalVariable2 (L"DriverOrder", (VOID **) &DriverOrderList, &DriverOrderListSize);
NewDriverOrderList = AllocateZeroPool (DriverOrderListSize);
if (NewDriverOrderList == NULL) {
return EFI_OUT_OF_RESOURCES;
}
//
// If exists, delete it to hold new DriverOrder
//
if (DriverOrderList != NULL) {
EfiLibDeleteVariable (L"DriverOrder", &gEfiGlobalVariableGuid);
FreePool (DriverOrderList);
}
ASSERT (DriverOptionMenu.MenuNumber <= (sizeof (CallbackData->BmmFakeNvData.DriverOptionOrder) / sizeof (CallbackData->BmmFakeNvData.DriverOptionOrder[0])));
for (Index = 0; Index < DriverOptionMenu.MenuNumber; Index++) {
NewDriverOrderList[Index] = (UINT16) (CallbackData->BmmFakeNvData.DriverOptionOrder[Index] - 1);
}
Status = gRT->SetVariable (
L"DriverOrder",
&gEfiGlobalVariableGuid,
VAR_ATTR_NV_BS_RT,
DriverOrderListSize,
NewDriverOrderList
);
if (EFI_ERROR (Status)) {
return Status;
}
BOpt_FreeMenu (&DriverOptionMenu);
BOpt_GetDriverOptions (CallbackData);
return EFI_SUCCESS;
}
/**
Update the Text Mode of Console.
@param CallbackData The context data for BMM.
@retval EFI_SUCCSS If the Text Mode of Console is updated.
@return Other value if the Text Mode of Console is not updated.
**/
EFI_STATUS
Var_UpdateConMode (
IN BMM_CALLBACK_DATA *CallbackData
)
{
EFI_STATUS Status;
UINTN Mode;
CONSOLE_OUT_MODE ModeInfo;
Mode = CallbackData->BmmFakeNvData.ConsoleOutMode;
Status = gST->ConOut->QueryMode (gST->ConOut, Mode, &(ModeInfo.Column), &(ModeInfo.Row));
if (!EFI_ERROR(Status)) {
PcdSet32S (PcdConOutColumn, (UINT32) ModeInfo.Column);
PcdSet32S (PcdConOutRow, (UINT32) ModeInfo.Row);
}
return EFI_SUCCESS;
}
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