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alder_lake_bios/Intel/AlderLake/AlderLakeChipsetPkg/Library/UefiBootManagerLib/BdsBoot.c

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/** @file
BDS Lib functions which relate with create or process the boot option.
;******************************************************************************
;* Copyright (c) 2019 - 2022, Insyde Software Corp. All Rights Reserved.
;*
;* You may not reproduce, distribute, publish, display, perform, modify, adapt,
;* transmit, broadcast, present, recite, release, license or otherwise exploit
;* any part of this publication in any form, by any means, without the prior
;* written permission of Insyde Software Corporation.
;*
;******************************************************************************
This file contains 'Framework Code' and is licensed as such
under the terms of your license agreement with Intel or your
vendor. This file may not be modified, except as allowed by
additional terms of your license agreement.
Copyright (c) 2011 - 2015, Intel Corporation. All rights reserved.<BR>
This software and associated documentation (if any) is furnished
under a license and may only be used or copied in accordance
with the terms of the license. Except as permitted by such
license, no part of this software or documentation may be
reproduced, stored in a retrieval system, or transmitted in any
form or by any means without the express written consent of
Intel Corporation.
**/
#include "InternalBdsLib.h"
#include <Library/GenericBdsLib.h>
#include <PostCode.h>
#if 0
#define VENDOR_IDENTIFICATION_OFFSET 3
#define VENDOR_IDENTIFICATION_LENGTH 8
#define PRODUCT_IDENTIFICATION_OFFSET 11
#define PRODUCT_IDENTIFICATION_LENGTH 16
CONST UINT16 gUsbLangID = 0x0409; // English
CHAR16 mUefiPrefix[] = L"UEFI ";
EFI_BOOT_MANAGER_REFRESH_LEGACY_BOOT_OPTION mEfiBootManagerRefreshLegacyBootOption = NULL;
#endif
//EFI_BOOT_MANAGER_LEGACY_BOOT mEfiBootManagerLegacyBoot = NULL;
///
/// This GUID is used for an EFI Variable that stores the front device pathes
/// for a partial device path that starts with the HD node.
///
EFI_GUID mHdBootVariablePrivateGuid = { 0xfab7e9e1, 0x39dd, 0x4f2b, { 0x84, 0x08, 0xe2, 0x0e, 0x90, 0x6c, 0xb6, 0xde } };
//EFI_GUID mAutoCreateBootOptionGuid = { 0x8108ac4e, 0x9f11, 0x4d59, { 0x85, 0x0e, 0xe2, 0x1a, 0x52, 0x2c, 0x59, 0xb2 } };
GLOBAL_REMOVE_IF_UNREFERENCED
CHAR16 *mHealthStatusText[] = {
L"Healthy",
L"Repair Required",
L"Configuration Required",
L"Failed",
L"Reconnect Required",
L"Reboot Required"
};
/**
Get the image file buffer data and buffer size by its device path.
@param FilePath On input, a pointer to an allocated buffer containing the device
path of the file.
On output the pointer could be NULL when the function fails to
load the boot option, or could point to an allocated buffer containing
the device path of the file.
It could be updated by either short-form device path expanding,
or default boot file path appending.
Caller is responsible to free it when it's non-NULL.
@param FileSize A pointer to the size of the file buffer.
@retval NULL File is NULL, or FileSize is NULL. Or, the file can't be found.
@retval other The file buffer. The caller is responsible to free the memory.
**/
VOID *
LoadEfiBootOption (
IN OUT EFI_DEVICE_PATH_PROTOCOL **FilePath,
OUT UINTN *FileSize
);
#if 0
/**
The function registers the legacy boot support capabilities.
@param RefreshLegacyBootOption The function pointer to create all the legacy boot options.
@param LegacyBoot The function pointer to boot the legacy boot option.
**/
VOID
EFIAPI
EfiBootManagerRegisterLegacyBootSupport (
EFI_BOOT_MANAGER_REFRESH_LEGACY_BOOT_OPTION RefreshLegacyBootOption,
EFI_BOOT_MANAGER_LEGACY_BOOT LegacyBoot
)
{
mEfiBootManagerRefreshLegacyBootOption = RefreshLegacyBootOption;
mEfiBootManagerLegacyBoot = LegacyBoot;
}
#endif
/**
Free old buffer and reuse the pointer to return new buffer.
@param Orig Pointer to the old buffer.
@param New Pointer to the new buffer.
**/
VOID
FreeAndSet (
VOID **Orig,
VOID *New
)
{
FreePool (*Orig);
*Orig = New;
}
/**
Find the boot option in the NV storage and return the option number.
@param OptionToFind Boot option to be checked.
@return The option number of the found boot option.
**/
UINTN
FindBootOptionInVariable (
IN EFI_BOOT_MANAGER_LOAD_OPTION *OptionToFind
)
{
EFI_STATUS Status;
EFI_BOOT_MANAGER_LOAD_OPTION BootOption;
UINTN OptionNumber;
CHAR16 OptionName[sizeof ("Boot####")];
EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;
UINTN BootOptionCount;
UINTN Index;
OptionNumber = LoadOptionNumberUnassigned;
//
// Try to match the variable exactly if the option number is assigned
//
if (OptionToFind->OptionNumber != LoadOptionNumberUnassigned) {
UnicodeSPrint (OptionName, sizeof (OptionName), L"Boot%04x", OptionToFind->OptionNumber);
Status = EfiBootManagerVariableToLoadOption (OptionName, &BootOption);
if (!EFI_ERROR (Status)) {
ASSERT (OptionToFind->OptionNumber == BootOption.OptionNumber);
if ((OptionToFind->Attributes == BootOption.Attributes) &&
(StrCmp (OptionToFind->Description, BootOption.Description) == 0) &&
(CompareMem (OptionToFind->FilePath, BootOption.FilePath, GetDevicePathSize (OptionToFind->FilePath)) == 0) &&
(OptionToFind->OptionalDataSize == BootOption.OptionalDataSize) &&
(CompareMem (OptionToFind->OptionalData, BootOption.OptionalData, OptionToFind->OptionalDataSize) == 0)
) {
OptionNumber = OptionToFind->OptionNumber;
}
EfiBootManagerFreeLoadOption (&BootOption);
}
}
//
// The option number assigned is either incorrect or unassigned.
//
if (OptionNumber == LoadOptionNumberUnassigned) {
BootOptions = EfiBootManagerGetLoadOptions (&BootOptionCount, LoadOptionTypeBoot);
if (BootOptions != NULL) {
Index = EfiBootManagerFindLoadOption (OptionToFind, BootOptions, BootOptionCount);
if (Index != -1) {
OptionNumber = BootOptions[Index].OptionNumber;
}
EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);
}
}
return OptionNumber;
}
/**
According to a file guild, check a Fv file device path is valid. If it is invalid,
try to return the valid device path.
FV address maybe changes for memory layout adjust from time to time, use this function
could promise the Fv file device path is right.
@param DevicePath The Fv file device path to be fixed up.
**/
VOID
FixupMemmapFvFilePath (
IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath
)
{
EFI_STATUS Status;
UINTN Index;
EFI_DEVICE_PATH_PROTOCOL *Node;
EFI_HANDLE FvHandle;
EFI_FIRMWARE_VOLUME2_PROTOCOL *Fv;
EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;
UINTN Size;
EFI_FV_FILETYPE Type;
EFI_FV_FILE_ATTRIBUTES Attributes;
UINT32 AuthenticationStatus;
UINTN FvHandleCount;
EFI_HANDLE *FvHandleBuffer;
EFI_DEVICE_PATH_PROTOCOL *NewDevicePath;
Node = *DevicePath;
Status = gBS->LocateDevicePath (&gEfiFirmwareVolume2ProtocolGuid, &Node, &FvHandle);
if (!EFI_ERROR (Status)) {
Status = gBS->HandleProtocol (FvHandle, &gEfiFirmwareVolume2ProtocolGuid, (VOID **) &Fv);
ASSERT_EFI_ERROR (Status);
Status = Fv->ReadFile (
Fv,
EfiGetNameGuidFromFwVolDevicePathNode ((CONST MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *) Node),
NULL,
&Size,
&Type,
&Attributes,
&AuthenticationStatus
);
if (EFI_ERROR (Status)) {
FreeAndSet ((VOID **) DevicePath, NULL);
}
return;
}
Node = NextDevicePathNode (DevicePath);
//
// Firstly find the FV file in current FV
//
gBS->HandleProtocol (
gImageHandle,
&gEfiLoadedImageProtocolGuid,
(VOID **) &LoadedImage
);
NewDevicePath = AppendDevicePathNode (DevicePathFromHandle (LoadedImage->DeviceHandle), Node);
FixupMemmapFvFilePath (&NewDevicePath);
if (NewDevicePath != NULL) {
FreeAndSet ((VOID **) DevicePath, NewDevicePath);
return;
}
//
// Secondly find the FV file in all other FVs
//
gBS->LocateHandleBuffer (
ByProtocol,
&gEfiFirmwareVolume2ProtocolGuid,
NULL,
&FvHandleCount,
&FvHandleBuffer
);
for (Index = 0; Index < FvHandleCount; Index++) {
if (FvHandleBuffer[Index] == LoadedImage->DeviceHandle) {
//
// Skip current FV
//
continue;
}
NewDevicePath = AppendDevicePathNode (DevicePathFromHandle (FvHandleBuffer[Index]), Node);
FixupMemmapFvFilePath (&NewDevicePath);
if (NewDevicePath != NULL) {
FreeAndSet ((VOID **) DevicePath, NewDevicePath);
return;
}
}
}
/**
Check if it's of Fv file device path type.
The function doesn't garentee the device path points to existing Fv file.
@param DevicePath Input device path info.
@retval TRUE The device path is of Fv file device path type.
@retval FALSE The device path isn't of Fv file device path type.
**/
BOOLEAN
IsMemmapFvFilePath (
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
)
{
EFI_DEVICE_PATH_PROTOCOL *FileNode;
if ((DevicePathType (DevicePath) == HARDWARE_DEVICE_PATH) && (DevicePathSubType (DevicePath) == HW_MEMMAP_DP)) {
FileNode = NextDevicePathNode (DevicePath);
if ((DevicePathType (FileNode) == MEDIA_DEVICE_PATH) && (DevicePathSubType (FileNode) == MEDIA_PIWG_FW_FILE_DP)) {
return IsDevicePathEnd (NextDevicePathNode (FileNode));
}
}
return FALSE;
}
/**
Check whether a USB device match the specified USB Class device path. This
function follows "Load Option Processing" behavior in UEFI specification.
@param UsbIo USB I/O protocol associated with the USB device.
@param UsbClass The USB Class device path to match.
@retval TRUE The USB device match the USB Class device path.
@retval FALSE The USB device does not match the USB Class device path.
**/
BOOLEAN
MatchUsbClass (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN USB_CLASS_DEVICE_PATH *UsbClass
)
{
EFI_STATUS Status;
EFI_USB_DEVICE_DESCRIPTOR DevDesc;
EFI_USB_INTERFACE_DESCRIPTOR IfDesc;
UINT8 DeviceClass;
UINT8 DeviceSubClass;
UINT8 DeviceProtocol;
if ((DevicePathType (UsbClass) != MESSAGING_DEVICE_PATH) ||
(DevicePathSubType (UsbClass) != MSG_USB_CLASS_DP)){
return FALSE;
}
//
// Check Vendor Id and Product Id.
//
Status = UsbIo->UsbGetDeviceDescriptor (UsbIo, &DevDesc);
if (EFI_ERROR (Status)) {
return FALSE;
}
if ((UsbClass->VendorId != 0xffff) &&
(UsbClass->VendorId != DevDesc.IdVendor)) {
return FALSE;
}
if ((UsbClass->ProductId != 0xffff) &&
(UsbClass->ProductId != DevDesc.IdProduct)) {
return FALSE;
}
DeviceClass = DevDesc.DeviceClass;
DeviceSubClass = DevDesc.DeviceSubClass;
DeviceProtocol = DevDesc.DeviceProtocol;
if (DeviceClass == 0) {
//
// If Class in Device Descriptor is set to 0, use the Class, SubClass and
// Protocol in Interface Descriptor instead.
//
Status = UsbIo->UsbGetInterfaceDescriptor (UsbIo, &IfDesc);
if (EFI_ERROR (Status)) {
return FALSE;
}
DeviceClass = IfDesc.InterfaceClass;
DeviceSubClass = IfDesc.InterfaceSubClass;
DeviceProtocol = IfDesc.InterfaceProtocol;
}
//
// Check Class, SubClass and Protocol.
//
if ((UsbClass->DeviceClass != 0xff) &&
(UsbClass->DeviceClass != DeviceClass)) {
return FALSE;
}
if ((UsbClass->DeviceSubClass != 0xff) &&
(UsbClass->DeviceSubClass != DeviceSubClass)) {
return FALSE;
}
if ((UsbClass->DeviceProtocol != 0xff) &&
(UsbClass->DeviceProtocol != DeviceProtocol)) {
return FALSE;
}
return TRUE;
}
#if 0
/**
Eliminate the extra spaces in the Str to one space.
@param Str Input string info.
**/
VOID
EliminateExtraSpaces (
IN CHAR16 *Str
)
{
UINTN Index;
UINTN ActualIndex;
for (Index = 0, ActualIndex = 0; Str[Index] != L'\0'; Index++) {
if ((Str[Index] != L' ') || ((ActualIndex > 0) && (Str[ActualIndex - 1] != L' '))) {
Str[ActualIndex++] = Str[Index];
}
}
Str[ActualIndex] = L'\0';
}
/**
Try to get the controller's ATA/ATAPI description.
@param Handle Controller handle.
@return The description string.
**/
CHAR16 *
GetDescriptionFromDiskInfo (
IN EFI_HANDLE Handle
)
{
UINTN Index;
EFI_STATUS Status;
EFI_DISK_INFO_PROTOCOL *DiskInfo;
UINT32 BufferSize;
EFI_ATAPI_IDENTIFY_DATA IdentifyData;
EFI_SCSI_INQUIRY_DATA InquiryData;
CHAR16 *Description;
UINTN Length;
CONST UINTN ModelNameLength = 40;
CONST UINTN SerialNumberLength = 20;
CHAR8 *StrPtr;
UINT8 Temp;
Description = NULL;
Status = gBS->HandleProtocol (
Handle,
&gEfiDiskInfoProtocolGuid,
(VOID **) &DiskInfo
);
if (EFI_ERROR (Status)) {
return NULL;
}
if (CompareGuid (&DiskInfo->Interface, &gEfiDiskInfoAhciInterfaceGuid) ||
CompareGuid (&DiskInfo->Interface, &gEfiDiskInfoIdeInterfaceGuid)) {
BufferSize = sizeof (EFI_ATAPI_IDENTIFY_DATA);
Status = DiskInfo->Identify (
DiskInfo,
&IdentifyData,
&BufferSize
);
if (!EFI_ERROR (Status)) {
Description = AllocateZeroPool ((ModelNameLength + SerialNumberLength + 2) * sizeof (CHAR16));
ASSERT (Description != NULL);
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideBegin - RPCO-0031
//
if (Description == NULL) {
return NULL;
}
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideEnd
//
for (Index = 0; Index + 1 < ModelNameLength; Index += 2) {
Description[Index] = (CHAR16) IdentifyData.ModelName[Index + 1];
Description[Index + 1] = (CHAR16) IdentifyData.ModelName[Index];
}
Length = Index;
Description[Length++] = L' ';
for (Index = 0; Index + 1 < SerialNumberLength; Index += 2) {
Description[Length + Index] = (CHAR16) IdentifyData.SerialNo[Index + 1];
Description[Length + Index + 1] = (CHAR16) IdentifyData.SerialNo[Index];
}
Length += Index;
Description[Length++] = L'\0';
ASSERT (Length == ModelNameLength + SerialNumberLength + 2);
EliminateExtraSpaces (Description);
}
} else if (CompareGuid (&DiskInfo->Interface, &gEfiDiskInfoScsiInterfaceGuid)) {
BufferSize = sizeof (EFI_SCSI_INQUIRY_DATA);
Status = DiskInfo->Inquiry (
DiskInfo,
&InquiryData,
&BufferSize
);
if (!EFI_ERROR (Status)) {
Description = AllocateZeroPool ((VENDOR_IDENTIFICATION_LENGTH + PRODUCT_IDENTIFICATION_LENGTH + 2) * sizeof (CHAR16));
ASSERT (Description != NULL);
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideBegin - RPCO-0031
//
if (Description == NULL) {
return NULL;
}
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideEnd
//
//
// Per SCSI spec, EFI_SCSI_INQUIRY_DATA.Reserved_5_95[3 - 10] save the Verdor identification
// EFI_SCSI_INQUIRY_DATA.Reserved_5_95[11 - 26] save the product identification,
// Here combine the vendor identification and product identification to the description.
//
StrPtr = (CHAR8 *) (&InquiryData.Reserved_5_95[VENDOR_IDENTIFICATION_OFFSET]);
Temp = StrPtr[VENDOR_IDENTIFICATION_LENGTH];
StrPtr[VENDOR_IDENTIFICATION_LENGTH] = '\0';
AsciiStrToUnicodeStr (StrPtr, Description);
StrPtr[VENDOR_IDENTIFICATION_LENGTH] = Temp;
//
// Add one space at the middle of vendor information and product information.
//
Description[VENDOR_IDENTIFICATION_LENGTH] = L' ';
StrPtr = (CHAR8 *) (&InquiryData.Reserved_5_95[PRODUCT_IDENTIFICATION_OFFSET]);
StrPtr[PRODUCT_IDENTIFICATION_LENGTH] = '\0';
AsciiStrToUnicodeStr (StrPtr, Description + VENDOR_IDENTIFICATION_LENGTH + 1);
EliminateExtraSpaces (Description);
}
}
return Description;
}
/**
Try to get the controller's USB description.
@param Handle Controller handle.
@return The description string.
**/
CHAR16 *
GetUsbDescription (
IN EFI_HANDLE Handle
)
{
EFI_STATUS Status;
EFI_USB_IO_PROTOCOL *UsbIo;
CHAR16 NullChar;
CHAR16 *Manufacturer;
CHAR16 *Product;
CHAR16 *SerialNumber;
CHAR16 *Description;
EFI_USB_DEVICE_DESCRIPTOR DevDesc;
Status = gBS->HandleProtocol (
Handle,
&gEfiUsbIoProtocolGuid,
(VOID **) &UsbIo
);
if (EFI_ERROR (Status)) {
return NULL;
}
NullChar = L'\0';
Status = UsbIo->UsbGetDeviceDescriptor (UsbIo, &DevDesc);
if (EFI_ERROR (Status)) {
return NULL;
}
Status = UsbIo->UsbGetStringDescriptor (
UsbIo,
gUsbLangID,
DevDesc.StrManufacturer,
&Manufacturer
);
if (EFI_ERROR (Status)) {
Manufacturer = &NullChar;
}
Status = UsbIo->UsbGetStringDescriptor (
UsbIo,
gUsbLangID,
DevDesc.StrProduct,
&Product
);
if (EFI_ERROR (Status)) {
Product = &NullChar;
}
Status = UsbIo->UsbGetStringDescriptor (
UsbIo,
gUsbLangID,
DevDesc.StrSerialNumber,
&SerialNumber
);
if (EFI_ERROR (Status)) {
SerialNumber = &NullChar;
}
if ((Manufacturer == &NullChar) &&
(Product == &NullChar) &&
(SerialNumber == &NullChar)
) {
return NULL;
}
Description = AllocateZeroPool (StrSize (Manufacturer) + StrSize (Product) + StrSize (SerialNumber));
ASSERT (Description != NULL);
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideBegin - RPCO-0031
//
if (Description == NULL) {
return NULL;
}
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideEnd
//
StrCat (Description, Manufacturer);
StrCat (Description, L" ");
StrCat (Description, Product);
StrCat (Description, L" ");
StrCat (Description, SerialNumber);
if (Manufacturer != &NullChar) {
FreePool (Manufacturer);
}
if (Product != &NullChar) {
FreePool (Product);
}
if (SerialNumber != &NullChar) {
FreePool (SerialNumber);
}
EliminateExtraSpaces (Description);
return Description;
}
/**
Return the boot description for the controller based on the type.
@param Handle Controller handle.
@return The description string.
**/
CHAR16 *
GetMiscDescription (
IN EFI_HANDLE Handle
)
{
EFI_STATUS Status;
CHAR16 *Description;
EFI_BLOCK_IO_PROTOCOL *BlockIo;
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideBegin - RPCO-0031
//
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
DevicePath = DevicePathFromHandle (Handle);
if (DevicePath == NULL) {
return NULL;
}
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideEnd
//
switch (BootTypeFromDevicePath (DevicePath)) { // ROYAL_PARK_OVERRIDE: RoyalParkOverrideContent - RPCO-0031
case AcpiFloppyBoot:
Description = L"Floppy";
break;
case MessageAtapiBoot:
case MessageSataBoot:
Status = gBS->HandleProtocol (Handle, &gEfiBlockIoProtocolGuid, (VOID **) &BlockIo);
ASSERT_EFI_ERROR (Status);
//
// Assume a removable SATA device should be the DVD/CD device
//
Description = BlockIo->Media->RemovableMedia ? L"DVD/CDROM" : L"Hard Drive";
break;
case MessageUsbBoot:
Description = L"USB Device";
break;
case MessageScsiBoot:
Description = L"SCSI Device";
break;
case HardwareDeviceBoot:
Status = gBS->HandleProtocol (Handle, &gEfiBlockIoProtocolGuid, (VOID **) &BlockIo);
if (!EFI_ERROR (Status)) {
Description = BlockIo->Media->RemovableMedia ? L"Removable Disk" : L"Hard Drive";
} else {
Description = L"Misc Device";
}
break;
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideBegin - RPCO-0005
//
case MessageNvmeBoot:
Description = L"NVMe Storage";
break;
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideEnd
//
default:
Description = L"Misc Device";
break;
}
return AllocateCopyPool (StrSize (Description), Description);
}
GET_BOOT_DESCRIPTION mGetBootDescription[] = {
GetUsbDescription,
GetDescriptionFromDiskInfo,
GetMiscDescription
};
#endif
/**
Check whether a USB device match the specified USB WWID device path. This
function follows "Load Option Processing" behavior in UEFI specification.
@param UsbIo USB I/O protocol associated with the USB device.
@param UsbWwid The USB WWID device path to match.
@retval TRUE The USB device match the USB WWID device path.
@retval FALSE The USB device does not match the USB WWID device path.
**/
BOOLEAN
MatchUsbWwid (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN USB_WWID_DEVICE_PATH *UsbWwid
)
{
EFI_STATUS Status;
EFI_USB_DEVICE_DESCRIPTOR DevDesc;
EFI_USB_INTERFACE_DESCRIPTOR IfDesc;
UINT16 *LangIdTable;
UINT16 TableSize;
UINT16 Index;
CHAR16 *CompareStr;
UINTN CompareLen;
CHAR16 *SerialNumberStr;
UINTN Length;
if ((DevicePathType (UsbWwid) != MESSAGING_DEVICE_PATH) ||
(DevicePathSubType (UsbWwid) != MSG_USB_WWID_DP)) {
return FALSE;
}
//
// Check Vendor Id and Product Id.
//
Status = UsbIo->UsbGetDeviceDescriptor (UsbIo, &DevDesc);
if (EFI_ERROR (Status)) {
return FALSE;
}
if ((DevDesc.IdVendor != UsbWwid->VendorId) ||
(DevDesc.IdProduct != UsbWwid->ProductId)) {
return FALSE;
}
//
// Check Interface Number.
//
Status = UsbIo->UsbGetInterfaceDescriptor (UsbIo, &IfDesc);
if (EFI_ERROR (Status)) {
return FALSE;
}
if (IfDesc.InterfaceNumber != UsbWwid->InterfaceNumber) {
return FALSE;
}
//
// Check Serial Number.
//
if (DevDesc.StrSerialNumber == 0) {
return FALSE;
}
//
// Get all supported languages.
//
TableSize = 0;
LangIdTable = NULL;
Status = UsbIo->UsbGetSupportedLanguages (UsbIo, &LangIdTable, &TableSize);
if (EFI_ERROR (Status) || (TableSize == 0) || (LangIdTable == NULL)) {
return FALSE;
}
//
// Serial number in USB WWID device path is the last 64-or-less UTF-16 characters.
//
CompareStr = (CHAR16 *) (UINTN) (UsbWwid + 1);
CompareLen = (DevicePathNodeLength (UsbWwid) - sizeof (USB_WWID_DEVICE_PATH)) / sizeof (CHAR16);
if (CompareStr[CompareLen - 1] == L'\0') {
CompareLen--;
}
//
// Compare serial number in each supported language.
//
for (Index = 0; Index < TableSize / sizeof (UINT16); Index++) {
SerialNumberStr = NULL;
Status = UsbIo->UsbGetStringDescriptor (
UsbIo,
LangIdTable[Index],
DevDesc.StrSerialNumber,
&SerialNumberStr
);
if (EFI_ERROR (Status) || (SerialNumberStr == NULL)) {
continue;
}
Length = StrLen (SerialNumberStr);
if ((Length >= CompareLen) &&
(CompareMem (SerialNumberStr + Length - CompareLen, CompareStr, CompareLen * sizeof (CHAR16)) == 0)) {
FreePool (SerialNumberStr);
return TRUE;
}
FreePool (SerialNumberStr);
}
return FALSE;
}
/**
Print the device path info.
@param DevicePath The device path need to print.
**/
VOID
PrintDp (
EFI_DEVICE_PATH_PROTOCOL *DevicePath
)
{
CHAR16 *Str;
Str = ConvertDevicePathToText (DevicePath, FALSE, FALSE);
DEBUG ((DEBUG_INFO, "%s", Str));
if (Str != NULL) {
FreePool (Str);
}
}
/**
Find a USB device which match the specified short-form device path start with
USB Class or USB WWID device path. If ParentDevicePath is NULL, this function
will search in all USB devices of the platform. If ParentDevicePath is not NULL,
this function will only search in its child devices.
@param DevicePath The device path that contains USB Class or USB WWID device path.
@param ParentDevicePathSize The length of the device path before the USB Class or
USB WWID device path.
@param UsbIoHandleCount A pointer to the count of the returned USB IO handles.
@retval NULL The matched USB IO handles cannot be found.
@retval other The matched USB IO handles.
**/
EFI_HANDLE *
FindUsbDevice (
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
IN UINTN ParentDevicePathSize,
OUT UINTN *UsbIoHandleCount
)
{
EFI_STATUS Status;
EFI_HANDLE *UsbIoHandles;
EFI_DEVICE_PATH_PROTOCOL *UsbIoDevicePath;
EFI_USB_IO_PROTOCOL *UsbIo;
UINTN Index;
UINTN UsbIoDevicePathSize;
BOOLEAN Matched;
ASSERT (UsbIoHandleCount != NULL);
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideBegin - RPCO-0031
//
if (UsbIoHandleCount == NULL) {
return NULL;
}
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideEnd
//
//
// Get all UsbIo Handles.
//
Status = gBS->LocateHandleBuffer (
ByProtocol,
&gEfiUsbIoProtocolGuid,
NULL,
UsbIoHandleCount,
&UsbIoHandles
);
if (EFI_ERROR (Status)) {
*UsbIoHandleCount = 0;
UsbIoHandles = NULL;
}
for (Index = 0; Index < *UsbIoHandleCount; ) {
//
// Get the Usb IO interface.
//
Status = gBS->HandleProtocol(
UsbIoHandles[Index],
&gEfiUsbIoProtocolGuid,
(VOID **) &UsbIo
);
UsbIoDevicePath = DevicePathFromHandle (UsbIoHandles[Index]);
Matched = FALSE;
if (!EFI_ERROR (Status) && (UsbIoDevicePath != NULL)) {
UsbIoDevicePathSize = GetDevicePathSize (UsbIoDevicePath) - END_DEVICE_PATH_LENGTH;
//
// Compare starting part of UsbIoHandle's device path with ParentDevicePath.
//
if (CompareMem (UsbIoDevicePath, DevicePath, ParentDevicePathSize) == 0) {
if (MatchUsbClass (UsbIo, (USB_CLASS_DEVICE_PATH *) ((UINTN) DevicePath + ParentDevicePathSize)) ||
MatchUsbWwid (UsbIo, (USB_WWID_DEVICE_PATH *) ((UINTN) DevicePath + ParentDevicePathSize))) {
Matched = TRUE;
}
}
}
if (!Matched) {
(*UsbIoHandleCount) --;
CopyMem (&UsbIoHandles[Index], &UsbIoHandles[Index + 1], (*UsbIoHandleCount - Index) * sizeof (EFI_HANDLE));
} else {
Index++;
}
}
return UsbIoHandles;
}
/**
Expand USB Class or USB WWID device path node to be full device path of a USB
device in platform.
This function support following 4 cases:
1) Boot Option device path starts with a USB Class or USB WWID device path,
and there is no Media FilePath device path in the end.
In this case, it will follow Removable Media Boot Behavior.
2) Boot Option device path starts with a USB Class or USB WWID device path,
and ended with Media FilePath device path.
3) Boot Option device path starts with a full device path to a USB Host Controller,
contains a USB Class or USB WWID device path node, while not ended with Media
FilePath device path. In this case, it will follow Removable Media Boot Behavior.
4) Boot Option device path starts with a full device path to a USB Host Controller,
contains a USB Class or USB WWID device path node, and ended with Media
FilePath device path.
@param DevicePath On input, a pointer to an allocated buffer that contains the
file device path.
On output, a pointer to an reallocated buffer that contains
the expanded device path. It would point to NULL if the file
cannot be read.
@param FileSize A pointer to the file size.
@retval !NULL The file buffer.
@retval NULL The input device path doesn't point to a valid file.
**/
VOID *
ExpandUsbShortFormDevicePath (
IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath,
OUT UINTN *FileSize
)
{
UINTN ParentDevicePathSize;
EFI_DEVICE_PATH_PROTOCOL *ShortformNode;
EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath;
EFI_DEVICE_PATH_PROTOCOL *FullDevicePath;
EFI_HANDLE *UsbIoHandles;
UINTN UsbIoHandleCount;
UINTN Index;
VOID *FileBuffer;
//
// Search for USB Class or USB WWID device path node.
//
for ( ShortformNode = *DevicePath
; !IsDevicePathEnd (ShortformNode)
; ShortformNode = NextDevicePathNode (ShortformNode)
) {
if ((DevicePathType (ShortformNode) == MESSAGING_DEVICE_PATH) &&
((DevicePathSubType (ShortformNode) == MSG_USB_CLASS_DP) ||
(DevicePathSubType (ShortformNode) == MSG_USB_WWID_DP))) {
break;
}
}
ASSERT (!IsDevicePathEnd (ShortformNode));
FullDevicePath = NULL;
ParentDevicePathSize = (UINTN) ShortformNode - (UINTN) *DevicePath;
RemainingDevicePath = NextDevicePathNode (ShortformNode);
FileBuffer = NULL;
UsbIoHandles = FindUsbDevice (*DevicePath, ParentDevicePathSize, &UsbIoHandleCount);
for (Index = 0; Index < UsbIoHandleCount; Index++) {
FullDevicePath = AppendDevicePath (DevicePathFromHandle (UsbIoHandles[Index]), RemainingDevicePath);
DEBUG ((DEBUG_INFO, "[Bds] FullDp1[%d]:", Index)); DEBUG_CODE (PrintDp (FullDevicePath); ); DEBUG ((DEBUG_INFO, "\n"));
FileBuffer = LoadEfiBootOption (&FullDevicePath, FileSize);
if (FileBuffer != NULL) {
DEBUG ((DEBUG_INFO, "-->")); DEBUG_CODE (PrintDp (FullDevicePath); ); DEBUG ((DEBUG_INFO, FileBuffer != NULL ? " - Found\n" : "\n"));
break;
}
}
if (UsbIoHandles != NULL) {
FreePool (UsbIoHandles);
}
if (FileBuffer == NULL) {
//
// Boot Option device path starts with USB Class or USB WWID device path.
// For Boot Option device path which doesn't begin with the USB Class or
// USB WWID device path, it's not needed to connect again here.
//
if ((DevicePathType (*DevicePath) == MESSAGING_DEVICE_PATH) &&
((DevicePathSubType (*DevicePath) == MSG_USB_CLASS_DP) ||
(DevicePathSubType (*DevicePath) == MSG_USB_WWID_DP))) {
EfiBootManagerConnectUsbShortFormDevicePath (*DevicePath);
UsbIoHandles = FindUsbDevice (*DevicePath, ParentDevicePathSize, &UsbIoHandleCount);
for (Index = 0; Index < UsbIoHandleCount; Index++) {
FullDevicePath = AppendDevicePath (DevicePathFromHandle (UsbIoHandles[Index]), RemainingDevicePath);
DEBUG ((DEBUG_INFO, "[Bds] FullDp2[%d]:", Index)); DEBUG_CODE (PrintDp (FullDevicePath); ); DEBUG ((DEBUG_INFO, "\n"));
FileBuffer = LoadEfiBootOption (&FullDevicePath, FileSize);
if (FileBuffer != NULL) {
DEBUG ((DEBUG_INFO, "-->")); DEBUG_CODE (PrintDp (FullDevicePath); ); DEBUG ((DEBUG_INFO, FileBuffer != NULL ? " - Found\n" : "\n"));
break;
}
}
if (UsbIoHandles != NULL) {
FreePool (UsbIoHandles);
}
}
}
FreeAndSet ((VOID **) DevicePath, FullDevicePath);
return FileBuffer;
}
/**
Expand a device path that starts with a hard drive media device path node to be a
full device path that includes the full hardware path to the device. We need
to do this so it can be booted. As an optimization the front match (the part point
to the partition node. E.g. ACPI() /PCI()/ATA()/Partition() ) is saved in a variable
so a connect all is not required on every boot. All successful history device path
which point to partition node (the front part) will be saved.
@param DevicePath On input, a pointer to an allocated buffer that contains the
file device path.
On output, a pointer to an reallocated buffer that contains
the expanded device path. It would point to NULL if the file
cannot be read.
**/
VOID
ExpandPartitionShortFormDevicePath (
IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath
)
{
EFI_STATUS Status;
UINTN BlockIoHandleCount;
EFI_HANDLE *BlockIoBuffer;
EFI_DEVICE_PATH_PROTOCOL *FullDevicePath;
EFI_DEVICE_PATH_PROTOCOL *BlockIoDevicePath;
UINTN Index;
UINTN InstanceNum;
EFI_DEVICE_PATH_PROTOCOL *CachedDevicePath;
EFI_DEVICE_PATH_PROTOCOL *TempNewDevicePath;
UINTN CachedDevicePathSize;
BOOLEAN DeviceExist;
BOOLEAN NeedAdjust;
EFI_DEVICE_PATH_PROTOCOL *Instance;
UINTN Size;
FullDevicePath = NULL;
//
// Check if there is prestore 'HDDP' variable.
// If exist, search the front path which point to partition node in the variable instants.
// If fail to find or 'HDDP' not exist, reconnect all and search in all system
//
GetVariable2 (L"HDDP", &mHdBootVariablePrivateGuid, (VOID **) &CachedDevicePath, &CachedDevicePathSize);
//
// Delete the invalid 'HDDP' variable.
//
if ((CachedDevicePath != NULL) && !IsDevicePathValid (CachedDevicePath, CachedDevicePathSize)) {
FreePool (CachedDevicePath);
CachedDevicePath = NULL;
Status = gRT->SetVariable (
L"HDDP",
&mHdBootVariablePrivateGuid,
0,
0,
NULL
);
ASSERT_EFI_ERROR (Status);
}
if (CachedDevicePath != NULL) {
TempNewDevicePath = CachedDevicePath;
DeviceExist = FALSE;
NeedAdjust = FALSE;
do {
//
// Check every instance of the variable
// First, check whether the instance contain the partition node, which is needed for distinguishing multi
// partial partition boot option. Second, check whether the instance could be connected.
//
Instance = GetNextDevicePathInstance (&TempNewDevicePath, &Size);
if (MatchPartitionDevicePathNode (Instance, (HARDDRIVE_DEVICE_PATH *) *DevicePath)) {
//
// Connect the device path instance, the device path point to hard drive media device path node
// e.g. ACPI() /PCI()/ATA()/Partition()
//
Status = EfiBootManagerConnectDevicePath (Instance, NULL);
if (!EFI_ERROR (Status)) {
DeviceExist = TRUE;
break;
}
}
//
// Come here means the first instance is not matched
//
NeedAdjust = TRUE;
FreePool(Instance);
} while (TempNewDevicePath != NULL);
if (DeviceExist) {
//
// Find the matched device path.
// Append the file path information from the boot option and return the fully expanded device path.
//
FullDevicePath = AppendDevicePath (Instance, NextDevicePathNode (*DevicePath));
//
// Adjust the 'HDDP' instances sequence if the matched one is not first one.
//
if (NeedAdjust) {
//
// First delete the matched instance.
//
TempNewDevicePath = CachedDevicePath;
CachedDevicePath = EfiBootManagerDelPartMatchInstance (CachedDevicePath, Instance);
FreePool (TempNewDevicePath);
//
// Second, append the remaining path after the matched instance
//
TempNewDevicePath = CachedDevicePath;
CachedDevicePath = AppendDevicePathInstance (Instance, CachedDevicePath );
FreePool (TempNewDevicePath);
//
// Save the matching Device Path so we don't need to do a connect all next time
// Failing to save only impacts performance next time expanding the short-form device path
//
Status = gRT->SetVariable (
L"HDDP",
&mHdBootVariablePrivateGuid,
EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_NON_VOLATILE,
GetDevicePathSize (CachedDevicePath),
CachedDevicePath
);
}
FreePool (Instance);
FreePool (CachedDevicePath);
FreePool (*DevicePath);
*DevicePath = FullDevicePath;
return;
}
}
//
// If we get here we fail to find or 'HDDP' not exist, and now we need
// to search all devices in the system for a matched partition
//
// EfiBootManagerConnectAll ();
BdsLibConnectAll();
Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiBlockIoProtocolGuid, NULL, &BlockIoHandleCount, &BlockIoBuffer);
if (EFI_ERROR (Status)) {
BlockIoHandleCount = 0;
BlockIoBuffer = NULL;
}
//
// Loop through all the device handles that support the BLOCK_IO Protocol
//
for (Index = 0; Index < BlockIoHandleCount; Index++) {
Status = gBS->HandleProtocol (BlockIoBuffer[Index], &gEfiDevicePathProtocolGuid, (VOID *) &BlockIoDevicePath);
if (EFI_ERROR (Status) || BlockIoDevicePath == NULL) {
continue;
}
if (MatchPartitionDevicePathNode (BlockIoDevicePath, (HARDDRIVE_DEVICE_PATH *) *DevicePath)) {
//
// Find the matched partition device path
//
FullDevicePath = AppendDevicePath (BlockIoDevicePath, NextDevicePathNode (*DevicePath));
//
// Save the matched partition device path in 'HDDP' variable
//
if (CachedDevicePath != NULL) {
//
// Save the matched partition device path as first instance of 'HDDP' variable
//
if (EfiBootManagerMatchDevicePaths (CachedDevicePath, BlockIoDevicePath)) {
TempNewDevicePath = CachedDevicePath;
CachedDevicePath = EfiBootManagerDelPartMatchInstance (CachedDevicePath, BlockIoDevicePath);
FreePool(TempNewDevicePath);
}
if (CachedDevicePath != NULL) {
TempNewDevicePath = CachedDevicePath;
CachedDevicePath = AppendDevicePathInstance (BlockIoDevicePath, CachedDevicePath);
FreePool(TempNewDevicePath);
} else {
CachedDevicePath = DuplicateDevicePath (BlockIoDevicePath);
}
//
// Here limit the device path instance number to 12, which is max number for a system support 3 IDE controller
// If the user try to boot many OS in different HDs or partitions, in theory, the 'HDDP' variable maybe become larger and larger.
//
InstanceNum = 0;
ASSERT (CachedDevicePath != NULL);
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideBegin - RPCO-0031
//
if (CachedDevicePath == NULL) {
break;
}
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideEnd
//
TempNewDevicePath = CachedDevicePath;
while (!IsDevicePathEnd (TempNewDevicePath)) {
TempNewDevicePath = NextDevicePathNode (TempNewDevicePath);
//
// Parse one instance
//
while (!IsDevicePathEndType (TempNewDevicePath)) {
TempNewDevicePath = NextDevicePathNode (TempNewDevicePath);
}
InstanceNum++;
//
// If the CachedDevicePath variable contain too much instance, only remain 12 instances.
//
if (InstanceNum >= 12) {
SetDevicePathEndNode (TempNewDevicePath);
break;
}
}
} else {
CachedDevicePath = DuplicateDevicePath (BlockIoDevicePath);
}
//
// Save the matching Device Path so we don't need to do a connect all next time
// Failing to save only impacts performance next time expanding the short-form device path
//
Status = gRT->SetVariable (
L"HDDP",
&mHdBootVariablePrivateGuid,
EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_NON_VOLATILE,
GetDevicePathSize (CachedDevicePath),
CachedDevicePath
);
break;
}
}
if (CachedDevicePath != NULL) {
FreePool (CachedDevicePath);
}
if (BlockIoBuffer != NULL) {
FreePool (BlockIoBuffer);
}
FreeAndSet ((VOID **) DevicePath, FullDevicePath);
}
/**
Algorithm follows the UEFI Spec chapter 3.4 Boot Mechanisms.
@param DevicePath Device Path to a bootable device
@return The bootable media handle. If the media on the DevicePath is not bootable, NULL will return.
**/
EFI_HANDLE
GetBootableDeviceHandle (
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
)
{
EFI_STATUS Status;
EFI_DEVICE_PATH_PROTOCOL *UpdatedDevicePath;
EFI_HANDLE Handle;
EFI_BLOCK_IO_PROTOCOL *BlockIo;
VOID *Buffer;
EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;
UINTN Size;
UINTN TempSize;
EFI_HANDLE ReturnHandle;
EFI_HANDLE *SimpleFileSystemHandles;
UINTN NumberSimpleFileSystemHandles;
UINTN Index;
EFI_IMAGE_DOS_HEADER DosHeader;
EFI_IMAGE_OPTIONAL_HEADER_UNION HdrData;
EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;
ReturnHandle = NULL;
UpdatedDevicePath = DevicePath;
//
// Check whether the device is connected
//
Status = gBS->LocateDevicePath (&gEfiBlockIoProtocolGuid, &UpdatedDevicePath, &Handle);
if (EFI_ERROR (Status)) {
//
// Skip the case that the boot option point to a simple file protocol which does not consume block Io protocol,
//
Status = gBS->LocateDevicePath (&gEfiSimpleFileSystemProtocolGuid, &UpdatedDevicePath, &Handle);
if (EFI_ERROR (Status)) {
//
// Fail to find the proper BlockIo and simple file protocol, maybe because device not present, we need to connect it firstly
//
UpdatedDevicePath = DevicePath;
Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &UpdatedDevicePath, &Handle);
gBS->ConnectController (Handle, NULL, NULL, TRUE);
}
} else {
//
// For removable device boot option, its contained device path only point to the removable device handle,
// should make sure all its children handles (its child partion or media handles) are created and connected.
//
gBS->ConnectController (Handle, NULL, NULL, TRUE);
//
// Get BlockIo protocol and check removable attribute
//
Status = gBS->HandleProtocol (Handle, &gEfiBlockIoProtocolGuid, (VOID **)&BlockIo);
//
// Issue a dummy read to the device to check for media change.
// When the removable media is changed, any Block IO read/write will
// cause the BlockIo protocol be reinstalled and EFI_MEDIA_CHANGED is
// returned. After the Block IO protocol is reinstalled, subsequent
// Block IO read/write will success.
//
Buffer = AllocatePool (BlockIo->Media->BlockSize);
if (Buffer != NULL) {
BlockIo->ReadBlocks (
BlockIo,
BlockIo->Media->MediaId,
0,
BlockIo->Media->BlockSize,
Buffer
);
FreePool(Buffer);
}
}
//
// Detect the the default boot file from removable Media
//
Size = GetDevicePathSize(DevicePath) - END_DEVICE_PATH_LENGTH;
gBS->LocateHandleBuffer (
ByProtocol,
&gEfiSimpleFileSystemProtocolGuid,
NULL,
&NumberSimpleFileSystemHandles,
&SimpleFileSystemHandles
);
for (Index = 0; Index < NumberSimpleFileSystemHandles; Index++) {
//
// Get the device path size of SimpleFileSystem handle
//
TempDevicePath = DevicePathFromHandle (SimpleFileSystemHandles[Index]);
TempSize = GetDevicePathSize (TempDevicePath)- END_DEVICE_PATH_LENGTH;
//
// Check whether the device path of boot option is part of the SimpleFileSystem handle's device path
//
if ((Size <= TempSize) && (CompareMem (TempDevicePath, DevicePath, Size) == 0)) {
//
// Load the default boot file \EFI\BOOT\boot{machinename}.EFI from removable Media
// machinename is ia32, ia64, x64, ...
//
Hdr.Union = &HdrData;
Status = GetImageHeader (
SimpleFileSystemHandles[Index],
EFI_REMOVABLE_MEDIA_FILE_NAME,
&DosHeader,
Hdr
);
if (!EFI_ERROR (Status) && EFI_IMAGE_MACHINE_TYPE_SUPPORTED (Hdr.Pe32->FileHeader.Machine) &&
(Hdr.Pe32->OptionalHeader.Subsystem == EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION)
) {
ReturnHandle = SimpleFileSystemHandles[Index];
break;
}
}
}
if (SimpleFileSystemHandles != NULL) {
FreePool(SimpleFileSystemHandles);
}
return ReturnHandle;
}
/**
Get the image file buffer data and buffer size by its device path.
@param FilePath On input, a pointer to an allocated buffer that contains the
file device path.
On output the device path pointer could be modified to point to
a new allocated buffer that contains the full device path.
It could be caused by either short-form device path expanding,
or default boot file path appending.
@param FileSize A pointer to the size of the file buffer.
@retval NULL The file can't be found.
@retval other The file buffer. The caller is responsible to free memory.
**/
VOID *
LoadEfiBootOption (
IN OUT EFI_DEVICE_PATH_PROTOCOL **FilePath,
OUT UINTN *FileSize
)
{
EFI_HANDLE Handle;
VOID *FileBuffer;
UINT32 AuthenticationStatus;
EFI_DEVICE_PATH_PROTOCOL *Node;
ASSERT ((FilePath != NULL) && (*FilePath != NULL) && (FileSize != NULL));
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideBegin - RPCO-0031
//
if ((FilePath == NULL) || (*FilePath == NULL) || (FileSize == NULL)) {
FileSize = NULL;
return NULL;
}
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideEnd
//
EfiBootManagerConnectDevicePath (*FilePath, NULL);
*FileSize = 0;
FileBuffer = NULL;
//
// Expand the short-form device path to full device path
//
// if (FeaturePcdGet (PcdShortformBootSupport)) {
if ((DevicePathType (*FilePath) == MEDIA_DEVICE_PATH) &&
(DevicePathSubType (*FilePath) == MEDIA_HARDDRIVE_DP)) {
//
// Expand the Harddrive device path
//
ExpandPartitionShortFormDevicePath (FilePath);
if (*FilePath == NULL) {
return NULL;
}
} else {
for (Node = *FilePath; !IsDevicePathEnd (Node); Node = NextDevicePathNode (Node)) {
if ((DevicePathType (Node) == MESSAGING_DEVICE_PATH) &&
((DevicePathSubType (Node) == MSG_USB_CLASS_DP) ||
(DevicePathSubType (Node) == MSG_USB_WWID_DP))) {
break;
}
}
if (!IsDevicePathEnd (Node)) {
//
// Expand the USB WWID/Class device path
//
FileBuffer = ExpandUsbShortFormDevicePath (FilePath, FileSize);
if (FileBuffer == NULL) {
return NULL;
}
}
}
// }
//
// Fix up the boot option path if it points to a FV in memory map style of device path
//
if (IsMemmapFvFilePath (*FilePath)) {
FixupMemmapFvFilePath (FilePath);
if (*FilePath == NULL) {
return NULL;
}
}
if (FileBuffer == NULL) {
FileBuffer = GetFileBufferByFilePath (TRUE, *FilePath, FileSize, &AuthenticationStatus);
}
//
// If we didn't find an image directly, we need to try as if it is a removable device boot option
// and load the image according to the default boot behavior.
//
if (FileBuffer == NULL) {
//
// check if there is a bootable media could be found in this device path,
// and get the bootable media handle
//
Handle = GetBootableDeviceHandle (*FilePath);
if (Handle != NULL) {
//
// Load the default boot file \EFI\BOOT\boot{machinename}.EFI from the media
// machinename is ia32, ia64, x64, ...
//
FreeAndSet ((VOID **) FilePath, FileDevicePath (Handle, EFI_REMOVABLE_MEDIA_FILE_NAME));
ASSERT (*FilePath != NULL);
FileBuffer = GetFileBufferByFilePath (TRUE, *FilePath, FileSize, &AuthenticationStatus);
}
}
if (FileBuffer == NULL) {
FreeAndSet ((VOID **) FilePath, NULL);
}
return FileBuffer;
}
/**
Return the controller name.
@param DriverHealthHandle The handle on which the Driver Health protocol instance is retrieved.
@param ControllerHandle The handle of a controller that the driver specified by DriverBindingHandle is managing.
This handle specifies the controller whose name is to be returned.
@param ChildHandle The handle of the child controller to retrieve the name of. This is an
optional parameter that may be NULL. It will be NULL for device drivers.
It will also be NULL for bus drivers that attempt to retrieve the name
of the bus controller. It will not be NULL for a bus driver that attempts
to retrieve the name of a child controller.
@return A pointer to the Unicode string to return. This Unicode string is the name of the controller
specified by ControllerHandle and ChildHandle.
**/
CHAR16 *
BmGetControllerName (
IN EFI_HANDLE DriverHealthHandle,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle
)
{
EFI_STATUS Status;
CHAR16 *ControllerName;
CHAR8 *LanguageVariable;
CHAR8 *BestLanguage;
BOOLEAN Iso639Language;
EFI_COMPONENT_NAME_PROTOCOL *ComponentName;
ControllerName = NULL;
//
// Locate Component Name (2) protocol on the driver binging handle.
//
Iso639Language = FALSE;
Status = gBS->HandleProtocol (
DriverHealthHandle,
&gEfiComponentName2ProtocolGuid,
(VOID **) &ComponentName
);
if (EFI_ERROR (Status)) {
Status = gBS->HandleProtocol (
DriverHealthHandle,
&gEfiComponentNameProtocolGuid,
(VOID **) &ComponentName
);
if (!EFI_ERROR (Status)) {
Iso639Language = TRUE;
}
}
if (!EFI_ERROR (Status)) {
GetEfiGlobalVariable2 (Iso639Language ? L"Lang" : L"PlatformLang", (VOID**)&LanguageVariable, NULL);
BestLanguage = GetBestLanguage(
ComponentName->SupportedLanguages,
Iso639Language,
(LanguageVariable != NULL) ? LanguageVariable : "",
Iso639Language ? "eng" : "en-US",
NULL
);
if (LanguageVariable != NULL) {
FreePool (LanguageVariable);
}
Status = ComponentName->GetControllerName (
ComponentName,
ControllerHandle,
ChildHandle,
BestLanguage,
&ControllerName
);
}
if (!EFI_ERROR (Status)) {
return AllocateCopyPool (StrSize (ControllerName), ControllerName);
} else {
return ConvertDevicePathToText (
DevicePathFromHandle (ChildHandle != NULL ? ChildHandle : ControllerHandle),
FALSE,
FALSE
);
}
}
/**
Display a set of messages returned by the GetHealthStatus () service of the EFI Driver Health Protocol
@param DriverHealthInfo Pointer to the Driver Health information entry.
**/
VOID
BmDisplayMessages (
IN EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO *DriverHealthInfo
)
{
UINTN Index;
EFI_STRING String;
CHAR16 *ControllerName;
if (DriverHealthInfo->MessageList == NULL ||
DriverHealthInfo->MessageList[0].HiiHandle == NULL) {
return;
}
ControllerName = BmGetControllerName (
DriverHealthInfo->DriverHealthHandle,
DriverHealthInfo->ControllerHandle,
DriverHealthInfo->ChildHandle
);
DEBUG ((DEBUG_INFO, "Controller: %s\n", ControllerName));
Print (L"Controller: %s\n", ControllerName);
for (Index = 0; DriverHealthInfo->MessageList[Index].HiiHandle != NULL; Index++) {
String = HiiGetString (
DriverHealthInfo->MessageList[Index].HiiHandle,
DriverHealthInfo->MessageList[Index].StringId,
NULL
);
if (String != NULL) {
Print (L" %s\n", String);
DEBUG ((DEBUG_INFO, " %s\n", String));
FreePool (String);
}
}
if (ControllerName != NULL) {
FreePool (ControllerName);
}
}
/**
The repair notify function.
@param Value A value between 0 and Limit that identifies the current progress
of the repair operation.
@param Limit The maximum value of Value for the current repair operation.
If Limit is 0, then the completion progress is indeterminate.
For example, a driver that wants to specify progress in percent
would use a Limit value of 100.
@retval EFI_SUCCESS Successfully return from the notify function.
**/
EFI_STATUS
EFIAPI
BmRepairNotify (
IN UINTN Value,
IN UINTN Limit
)
{
DEBUG ((DEBUG_INFO, "[BDS]RepairNotify: %d/%d\n", Value, Limit));
Print (L"[BDS]RepairNotify: %d/%d\n", Value, Limit);
return EFI_SUCCESS;
}
/**
Collect the Driver Health status of a single controller.
@param DriverHealthInfo A pointer to the array containing all of the platform driver health information.
@param Count Return the updated array count.
@param DriverHealthHandle The handle on which the Driver Health protocol instance is retrieved.
@param ControllerHandle The handle of the controller..
@param ChildHandle The handle of the child controller to retrieve the health
status on. This is an optional parameter that may be NULL.
@retval Status The status returned from GetHealthStatus.
@retval EFI_ABORTED The health status is healthy so no further query is needed.
**/
EFI_STATUS
BmGetSingleControllerHealthStatus (
IN OUT EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO **DriverHealthInfo,
IN OUT UINTN *Count,
IN EFI_HANDLE DriverHealthHandle,
IN EFI_HANDLE ControllerHandle, OPTIONAL
IN EFI_HANDLE ChildHandle OPTIONAL
)
{
EFI_STATUS Status;
EFI_DRIVER_HEALTH_PROTOCOL *DriverHealth;
EFI_DRIVER_HEALTH_HII_MESSAGE *MessageList;
EFI_HII_HANDLE FormHiiHandle;
EFI_DRIVER_HEALTH_STATUS HealthStatus;
ASSERT (DriverHealthHandle != NULL);
//
// Retrieve the Driver Health Protocol from DriverHandle
//
Status = gBS->HandleProtocol (
DriverHealthHandle,
&gEfiDriverHealthProtocolGuid,
(VOID **) &DriverHealth
);
ASSERT_EFI_ERROR (Status);
if (ControllerHandle == NULL) {
//
// If ControllerHandle is NULL, the return the cumulative health status of the driver
//
Status = DriverHealth->GetHealthStatus (DriverHealth, NULL, NULL, &HealthStatus, NULL, NULL);
if (!EFI_ERROR (Status) && HealthStatus == EfiDriverHealthStatusHealthy) {
*DriverHealthInfo = ReallocatePool (
(*Count) * sizeof (EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO),
(*Count + 1) * sizeof (EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO),
*DriverHealthInfo
);
ASSERT (*DriverHealthInfo != NULL);
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideBegin - RPCO-0031
//
if (*DriverHealthInfo == NULL) {
return EFI_OUT_OF_RESOURCES;
}
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideEnd
//
(*DriverHealthInfo)[*Count].DriverHealthHandle = DriverHealthHandle;
(*DriverHealthInfo)[*Count].DriverHealth = DriverHealth;
(*DriverHealthInfo)[*Count].HealthStatus = HealthStatus;
*Count = *Count + 1;
Status = EFI_ABORTED;
}
return Status;
}
MessageList = NULL;
FormHiiHandle = NULL;
//
// Collect the health status with the optional HII message list
//
Status = DriverHealth->GetHealthStatus (DriverHealth, ControllerHandle, ChildHandle, &HealthStatus, &MessageList, &FormHiiHandle);
if (!EFI_ERROR (Status)) {
*DriverHealthInfo = ReallocatePool (
(*Count) * sizeof (EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO),
(*Count + 1) * sizeof (EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO),
*DriverHealthInfo
);
ASSERT (*DriverHealthInfo != NULL);
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideBegin - RPCO-0031
//
if (*DriverHealthInfo == NULL) {
return EFI_OUT_OF_RESOURCES;
}
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideEnd
//
(*DriverHealthInfo)[*Count].DriverHealth = DriverHealth;
(*DriverHealthInfo)[*Count].DriverHealthHandle = DriverHealthHandle;
(*DriverHealthInfo)[*Count].ControllerHandle = ControllerHandle;
(*DriverHealthInfo)[*Count].ChildHandle = ChildHandle;
(*DriverHealthInfo)[*Count].HiiHandle = FormHiiHandle;
(*DriverHealthInfo)[*Count].MessageList = MessageList;
(*DriverHealthInfo)[*Count].HealthStatus = HealthStatus;
*Count = *Count + 1;
}
return Status;
}
/**
Return all the Driver Health information.
When the cumulative health status of all the controllers managed by the
driver who produces the EFI_DRIVER_HEALTH_PROTOCOL is healthy, only one
EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO entry is created for such
EFI_DRIVER_HEALTH_PROTOCOL instance.
Otherwise, every controller creates one EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO
entry. Additionally every child controller creates one
EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO entry if the driver is a bus driver.
@param Count Return the count of the Driver Health information.
@retval NULL No Driver Health information is returned.
@retval !NULL Pointer to the Driver Health information array.
**/
EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO *
EFIAPI
EfiBootManagerGetDriverHealthInfo (
UINTN *Count
)
{
EFI_STATUS Status;
UINTN NumHandles;
EFI_HANDLE *DriverHealthHandles;
EFI_DRIVER_HEALTH_STATUS HealthStatus;
UINTN DriverHealthIndex;
EFI_HANDLE *Handles;
UINTN HandleCount;
UINTN ControllerIndex;
UINTN ChildIndex;
EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO *DriverHealthInfo;
//
// Initialize local variables
//
*Count = 0;
DriverHealthInfo = NULL;
Handles = NULL;
DriverHealthHandles = NULL;
NumHandles = 0;
HandleCount = 0;
HealthStatus = EfiDriverHealthStatusHealthy;
Status = gBS->LocateHandleBuffer (
ByProtocol,
&gEfiDriverHealthProtocolGuid,
NULL,
&NumHandles,
&DriverHealthHandles
);
if (Status == EFI_NOT_FOUND || NumHandles == 0 || DriverHealthHandles == NULL) { // ROYAL_PARK_OVERRIDE: RoyalParkOverrideContent - RPCO-0031
//
// If there are no Driver Health Protocols handles, then return EFI_NOT_FOUND
//
return NULL;
}
ASSERT_EFI_ERROR (Status);
//
// Check the health status of all controllers in the platform
// Start by looping through all the Driver Health Protocol handles in the handle database
//
for (DriverHealthIndex = 0; DriverHealthIndex < NumHandles; DriverHealthIndex++) {
//
// Get the cumulative health status of the driver
//
Status = BmGetSingleControllerHealthStatus (&DriverHealthInfo, Count, DriverHealthHandles[DriverHealthIndex], NULL, NULL);
if (EFI_ERROR (Status)) {
continue;
}
//
// See if the list of all handles in the handle database has been retrieved
//
//
if (Handles == NULL) {
//
// Retrieve the list of all handles from the handle database
//
Status = gBS->LocateHandleBuffer (
AllHandles,
NULL,
NULL,
&HandleCount,
&Handles
);
ASSERT_EFI_ERROR (Status);
}
//
// Loop through all the controller handles in the handle database
//
for (ControllerIndex = 0; ControllerIndex < HandleCount; ControllerIndex++) {
Status = BmGetSingleControllerHealthStatus (&DriverHealthInfo, Count, DriverHealthHandles[DriverHealthIndex], Handles[ControllerIndex], NULL);
if (EFI_ERROR (Status)) {
continue;
}
//
// Loop through all the child handles in the handle database
//
for (ChildIndex = 0; ChildIndex < HandleCount; ChildIndex++) {
Status = BmGetSingleControllerHealthStatus (&DriverHealthInfo, Count, DriverHealthHandles[DriverHealthIndex], Handles[ControllerIndex], Handles[ChildIndex]);
if (EFI_ERROR (Status)) {
continue;
}
}
}
}
Status = EFI_SUCCESS;
if (Handles != NULL) {
FreePool (Handles);
}
if (DriverHealthHandles != NULL) {
FreePool (DriverHealthHandles);
}
return DriverHealthInfo;
}
/**
Free the Driver Health information array.
@param DriverHealthInfo Pointer to array of the Driver Health information.
@param Count Count of the array.
@retval EFI_SUCCESS The array is freed.
@retval EFI_INVALID_PARAMETER The array is NULL.
**/
EFI_STATUS
EFIAPI
EfiBootManagerFreeDriverHealthInfo (
EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO *DriverHealthInfo,
UINTN Count
)
{
UINTN Index;
for (Index = 0; Index < Count; Index++) {
if (DriverHealthInfo[Index].MessageList != NULL) {
FreePool (DriverHealthInfo[Index].MessageList);
}
}
return gBS->FreePool (DriverHealthInfo);
}
/**
Repair all the controllers according to the Driver Health status queried.
**/
VOID
BmRepairAllControllers (
VOID
)
{
EFI_STATUS Status;
EFI_BOOT_MANAGER_DRIVER_HEALTH_INFO *DriverHealthInfo;
EFI_DRIVER_HEALTH_STATUS HealthStatus;
UINTN Count;
UINTN Index;
BOOLEAN RepairRequired;
BOOLEAN ConfigurationRequired;
BOOLEAN ReconnectRequired;
BOOLEAN RebootRequired;
EFI_HII_HANDLE *HiiHandles;
EFI_FORM_BROWSER2_PROTOCOL *FormBrowser2;
Status = gBS->LocateProtocol (&gEfiFormBrowser2ProtocolGuid, NULL, (VOID **) &FormBrowser2);
ASSERT_EFI_ERROR (Status);
do {
RepairRequired = FALSE;
ConfigurationRequired = FALSE;
//
// Deal with Repair Required
//
DriverHealthInfo = EfiBootManagerGetDriverHealthInfo (&Count);
for (Index = 0; Index < Count; Index++) {
if (DriverHealthInfo[Index].HealthStatus == EfiDriverHealthStatusConfigurationRequired) {
ConfigurationRequired = TRUE;
}
if (DriverHealthInfo[Index].HealthStatus == EfiDriverHealthStatusRepairRequired) {
RepairRequired = TRUE;
BmDisplayMessages (&DriverHealthInfo[Index]);
Status = DriverHealthInfo[Index].DriverHealth->Repair (
DriverHealthInfo[Index].DriverHealth,
DriverHealthInfo[Index].ControllerHandle,
DriverHealthInfo[Index].ChildHandle,
BmRepairNotify
);
if (!EFI_ERROR (Status) && !ConfigurationRequired) {
Status = DriverHealthInfo[Index].DriverHealth->GetHealthStatus (
DriverHealthInfo[Index].DriverHealth,
DriverHealthInfo[Index].ControllerHandle,
DriverHealthInfo[Index].ChildHandle,
&HealthStatus,
NULL,
NULL
);
if (!EFI_ERROR (Status) && (HealthStatus == EfiDriverHealthStatusConfigurationRequired)) {
ConfigurationRequired = TRUE;
}
}
}
}
if (ConfigurationRequired) {
HiiHandles = HiiGetHiiHandles (NULL);
if (HiiHandles != NULL) {
for (Index = 0; HiiHandles[Index] != NULL; Index++) {
#if 0
Status = FormBrowser2->SendForm (
FormBrowser2,
&HiiHandles[Index],
1,
PcdGetPtr (PcdDriverHealthConfigureForm),
0,
NULL,
NULL
);
#endif
if (!EFI_ERROR (Status)) {
break;
}
}
FreePool (HiiHandles);
}
}
EfiBootManagerFreeDriverHealthInfo (DriverHealthInfo, Count);
} while (RepairRequired || ConfigurationRequired);
RebootRequired = FALSE;
ReconnectRequired = FALSE;
DriverHealthInfo = EfiBootManagerGetDriverHealthInfo (&Count);
for (Index = 0; Index < Count; Index++) {
BmDisplayMessages (&DriverHealthInfo[Index]);
if (DriverHealthInfo[Index].HealthStatus == EfiDriverHealthStatusReconnectRequired) {
Status = gBS->DisconnectController (DriverHealthInfo[Index].ControllerHandle, NULL, NULL);
if (EFI_ERROR (Status)) {
//
// Disconnect failed. Need to promote reconnect to a reboot.
//
RebootRequired = TRUE;
} else {
gBS->ConnectController (DriverHealthInfo[Index].ControllerHandle, NULL, NULL, TRUE);
ReconnectRequired = TRUE;
}
}
if (DriverHealthInfo[Index].HealthStatus == EfiDriverHealthStatusRebootRequired) {
RebootRequired = TRUE;
}
}
EfiBootManagerFreeDriverHealthInfo (DriverHealthInfo, Count);
if (ReconnectRequired) {
BmRepairAllControllers ();
}
DEBUG_CODE (
CHAR16 *ControllerName;
DriverHealthInfo = EfiBootManagerGetDriverHealthInfo (&Count);
for (Index = 0; Index < Count; Index++) {
ControllerName = BmGetControllerName (
DriverHealthInfo[Index].DriverHealthHandle,
DriverHealthInfo[Index].ControllerHandle,
DriverHealthInfo[Index].ChildHandle
);
DEBUG ((
DEBUG_INFO,
"%02d: %s - %s\n",
Index,
ControllerName,
mHealthStatusText[DriverHealthInfo[Index].HealthStatus]
));
if (ControllerName != NULL) {
FreePool (ControllerName);
}
}
EfiBootManagerFreeDriverHealthInfo (DriverHealthInfo, Count);
);
if (RebootRequired) {
DEBUG ((DEBUG_INFO, "[BDS] One of the Driver Health instances requires rebooting.\n"));
gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);
}
}
/**
Attempt to boot the EFI boot option. This routine sets L"BootCurent" and
also signals the EFI ready to boot event. If the device path for the option
starts with a BBS device path a legacy boot is attempted via the registered
gLegacyBoot function. Short form device paths are also supported via this
rountine. A device path starting with MEDIA_HARDDRIVE_DP, MSG_USB_WWID_DP,
MSG_USB_CLASS_DP gets expaned out to find the first device that matches.
If the BootOption Device Path fails the removable media boot algorithm
is attempted (\EFI\BOOTIA32.EFI, \EFI\BOOTX64.EFI,... only one file type
is tried per processor type)
@param BootOption Boot Option to try and boot.
On return, BootOption->Status contains the boot status.
EFI_SUCCESS BootOption was booted
EFI_UNSUPPORTED A BBS device path was found with no valid callback
registered via EfiBootManagerInitialize().
EFI_NOT_FOUND The BootOption was not found on the system
!EFI_SUCCESS BootOption failed with this error status
**/
VOID
EFIAPI
EfiBootManagerBoot (
IN EFI_BOOT_MANAGER_LOAD_OPTION *BootOption
)
{
EFI_STATUS Status;
EFI_HANDLE ImageHandle;
EFI_LOADED_IMAGE_PROTOCOL *ImageInfo;
UINT16 Uint16;
UINTN OptionNumber;
UINTN OriginalOptionNumber;
EFI_DEVICE_PATH_PROTOCOL *FilePath;
EFI_DEVICE_PATH_PROTOCOL *Node;
EFI_HANDLE FvHandle;
VOID *FileBuffer;
UINTN FileSize;
EFI_BOOT_LOGO_PROTOCOL *BootLogo;
// EFI_EVENT LegacyBootEvent;
// EFI_GUID *TempGuid; // ROYAL_PARK_OVERRIDE: RoyalParkOverrideContent - RPCO-0031
// BOOLEAN IsEqual; // ROYAL_PARK_OVERRIDE: RoyalParkOverrideContent - RPCO-0031
LIST_ENTRY List;
CHAR16 OptionName[20];
BDS_COMMON_OPTION *Option;
if (BootOption == NULL) {
return;
}
if (BootOption->FilePath == NULL) {
BootOption->Status = EFI_INVALID_PARAMETER;
return;
}
//
// 1. Create Boot#### for a temporary boot if there is no match Boot#### (i.e. a boot by selected a EFI Shell using "Boot From File")
//
OptionNumber = FindBootOptionInVariable (BootOption);
if (OptionNumber == LoadOptionNumberUnassigned) {
Status = GetFreeOptionNumber (L"BootOrder", &Uint16);
if (!EFI_ERROR (Status)) {
//
// Save the BootOption->OptionNumber to restore later
//
OptionNumber = Uint16;
OriginalOptionNumber = BootOption->OptionNumber;
BootOption->OptionNumber = OptionNumber;
Status = EfiBootManagerLoadOptionToVariable (BootOption);
BootOption->OptionNumber = OriginalOptionNumber;
}
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_ERROR, "[Bds] Failed to create Boot#### for a temporary boot - %r!\n", Status));
BootOption->Status = Status;
return ;
}
}
//
// 2. Update system variables: remove BootNext, set BootCurrent
//
//
// 2.1. Remove BootNext
// To prevent loops, the boot manager deletes BootNext before transferring control to the
// preselected boot option.
//
if (BootOption->BootNext) {
Status = gRT->SetVariable (
L"BootNext",
&gEfiGlobalVariableGuid,
0,
0,
NULL
);
//
// Deleting variable with current variable implementation should succeed unless it doesn't exist.
//
ASSERT (Status == EFI_SUCCESS || Status == EFI_NOT_FOUND);
}
//
// 2.2. Set BootCurrent
//
Uint16 = (UINT16) OptionNumber;
SetVariableAndReportStatusCodeOnError (
L"BootCurrent",
&gEfiGlobalVariableGuid,
EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
sizeof (UINT16),
&Uint16
);
//
// 3. Signal the EVT_SIGNAL_READY_TO_BOOT event when we are about to load and execute
// the boot option.
//
// IsEqual = FALSE; // ROYAL_PARK_OVERRIDE: RoyalParkOverrideContent - RPCO-0031
Node = BootOption->FilePath;
Status = gBS->LocateDevicePath (&gEfiFirmwareVolume2ProtocolGuid, &Node, &FvHandle);
#if 0
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideBegin - RPCO-0031
//
TempGuid = EfiGetNameGuidFromFwVolDevicePathNode ((CONST MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *) Node);
if (TempGuid != NULL) {
IsEqual = CompareGuid(TempGuid, PcdGetPtr (PcdBootManagerMenuFile));
}
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideEnd
//
if (!EFI_ERROR (Status) && IsEqual) { // ROYAL_PARK_OVERRIDE: RoyalParkOverrideContent - RPCO-0031
if (!EFI_ERROR (Status) ) {
DEBUG ((DEBUG_INFO, "[Bds] Booting Boot Manager Menu.\n"));
StopHotkeyService (NULL, NULL);
} else {
REPORT_STATUS_CODE (EFI_PROGRESS_CODE, (EFI_SOFTWARE_DXE_BS_DRIVER | EFI_SW_DXE_BS_PC_READY_TO_BOOT_EVENT));
EfiSignalEventReadyToBoot();
//
// 4. Repair system through DriverHealth protocol
//
BmRepairAllControllers ();
}
#endif
TriggerCpReadyToBootBefore ();
//
// PostCode = 0x2E, Last Chipset initial before boot to OS
//
POST_CODE (BDS_READY_TO_BOOT_EVENT);
//
// Signal the EVT_SIGNAL_READY_TO_BOOT event
//
EfiSignalEventReadyToBoot();
TriggerCpReadyToBootAfter ();
PERF_START_EX (gImageHandle, "BdsAttempt", NULL, 0, (UINT32) OptionNumber);
//
// 5. Load EFI boot option to ImageHandle
//
ImageHandle = NULL;
if (DevicePathType (BootOption->FilePath) != BBS_DEVICE_PATH) {
Status = EFI_NOT_FOUND;
FilePath = DuplicateDevicePath (BootOption->FilePath);
FileBuffer = LoadEfiBootOption (&FilePath, &FileSize);
if (FileBuffer != NULL) {
REPORT_STATUS_CODE (EFI_PROGRESS_CODE, PcdGet32 (PcdProgressCodeOsLoaderLoad));
Status = gBS->LoadImage (
TRUE,
gImageHandle,
FilePath,
FileBuffer,
FileSize,
&ImageHandle
);
FreePool (FileBuffer);
FreePool (FilePath);
}
if (EFI_ERROR (Status)) {
//
// Report Status Code to indicate that the failure to load boot option
//
REPORT_STATUS_CODE (
EFI_ERROR_CODE | EFI_ERROR_MINOR,
(EFI_SOFTWARE_DXE_BS_DRIVER | EFI_SW_DXE_BS_EC_BOOT_OPTION_LOAD_ERROR)
);
BootOption->Status = Status;
return;
}
}
//
// 6. Adjust the different type memory page number just before booting
// and save the updated info into the variable for next boot to use
//
if ((BootOption->Attributes & LOAD_OPTION_CATEGORY) == LOAD_OPTION_CATEGORY_BOOT) {
if (PcdGetBool (PcdResetOnMemoryTypeInformationChange)) {
SetMemoryTypeInformationVariable ();
}
}
DEBUG_CODE_BEGIN();
if (BootOption->Description == NULL) {
DEBUG ((DEBUG_INFO | DEBUG_LOAD, "[Bds]Booting from unknown device path\n"));
} else {
DEBUG ((DEBUG_INFO | DEBUG_LOAD, "[Bds]Booting %s\n", BootOption->Description));
}
DEBUG_CODE_END();
//
// Check to see if we should legacy BOOT. If yes then do the legacy boot
// Write boot to OS performance data for Legacy boot
//
if ((DevicePathType (BootOption->FilePath) == BBS_DEVICE_PATH) && (DevicePathSubType (BootOption->FilePath) == BBS_BBS_DP)) {
InitializeListHead (&List);
UnicodeSPrint (OptionName, sizeof (OptionName), L"Boot%04x", OptionNumber);
Option = BdsLibVariableToOption (&List, OptionName);
if (Option != NULL) {
BdsLibDoLegacyBoot(Option);
}
#if 0
if (mEfiBootManagerLegacyBoot != NULL) {
//
// Write boot to OS performance data for legacy boot.
//
PERF_CODE (
//
// Create an event to be signalled when Legacy Boot occurs to write performance data.
//
Status = EfiCreateEventLegacyBootEx(
TPL_NOTIFY,
WriteBootToOsPerformanceData,
NULL,
&LegacyBootEvent
);
ASSERT_EFI_ERROR (Status);
);
mEfiBootManagerLegacyBoot (BootOption);
} else {
BootOption->Status = EFI_UNSUPPORTED;
}
#endif
PERF_END_EX (gImageHandle, "BdsAttempt", NULL, 0, (UINT32) OptionNumber);
return;
}
//
// Provide the image with its load options
//
Status = gBS->HandleProtocol (ImageHandle, &gEfiLoadedImageProtocolGuid, (VOID **) &ImageInfo);
ASSERT_EFI_ERROR (Status);
ImageInfo->LoadOptionsSize = BootOption->OptionalDataSize;
ImageInfo->LoadOptions = BootOption->OptionalData;
//
// Clean to NULL because the image is loaded directly from the firmwares boot manager.
//
ImageInfo->ParentHandle = NULL;
//
// Before calling the image, enable the Watchdog Timer for 5 minutes period
//
gBS->SetWatchdogTimer (5 * 60, 0x0000, 0x00, NULL);
//
// Write boot to OS performance data for UEFI boot
//
// PERF_CODE (
// WriteBootToOsPerformanceData (NULL,NULL);
// );
REPORT_STATUS_CODE (EFI_PROGRESS_CODE, PcdGet32 (PcdProgressCodeOsLoaderStart));
Status = gBS->StartImage (ImageHandle, &BootOption->ExitDataSize, &BootOption->ExitData);
DEBUG ((DEBUG_INFO | DEBUG_LOAD, "Image Return Status = %r\n", Status));
BootOption->Status = Status;
if (EFI_ERROR (Status)) {
//
// Report Status Code to indicate that boot failure
//
REPORT_STATUS_CODE (
EFI_ERROR_CODE | EFI_ERROR_MINOR,
(EFI_SOFTWARE_DXE_BS_DRIVER | EFI_SW_DXE_BS_EC_BOOT_OPTION_FAILED)
);
}
PERF_END_EX (gImageHandle, "BdsAttempt", NULL, 0, (UINT32) OptionNumber);
//
// Clear the Watchdog Timer after the image returns
//
gBS->SetWatchdogTimer (0x0000, 0x0000, 0x0000, NULL);
//
// Set Logo status invalid after trying one boot option
//
BootLogo = NULL;
Status = gBS->LocateProtocol (&gEfiBootLogoProtocolGuid, NULL, (VOID **) &BootLogo);
if (!EFI_ERROR (Status) && (BootLogo != NULL)) {
Status = BootLogo->SetBootLogo (BootLogo, NULL, 0, 0, 0, 0);
ASSERT_EFI_ERROR (Status);
}
//
// Clear Boot Current
//
Status = gRT->SetVariable (
L"BootCurrent",
&gEfiGlobalVariableGuid,
0,
0,
NULL
);
//
// Deleting variable with current variable implementation shouldn't fail.
//
ASSERT_EFI_ERROR (Status);
}
#if 0
/**
Check whether there is a instance in BlockIoDevicePath, which contain multi device path
instances, has the same partition node with HardDriveDevicePath device path
@param BlockIoDevicePath Multi device path instances which need to check
@param HardDriveDevicePath A device path which starts with a hard drive media
device path.
@retval TRUE There is a matched device path instance.
@retval FALSE There is no matched device path instance.
**/
BOOLEAN
MatchPartitionDevicePathNode (
IN EFI_DEVICE_PATH_PROTOCOL *BlockIoDevicePath,
IN HARDDRIVE_DEVICE_PATH *HardDriveDevicePath
)
{
HARDDRIVE_DEVICE_PATH *TmpHdPath;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
BOOLEAN Match;
EFI_DEVICE_PATH_PROTOCOL *BlockIoHdDevicePathNode;
if ((BlockIoDevicePath == NULL) || (HardDriveDevicePath == NULL)) {
return FALSE;
}
//
// Make PreviousDevicePath == the device path node before the end node
//
DevicePath = BlockIoDevicePath;
BlockIoHdDevicePathNode = NULL;
//
// find the partition device path node
//
while (!IsDevicePathEnd (DevicePath)) {
if ((DevicePathType (DevicePath) == MEDIA_DEVICE_PATH) &&
(DevicePathSubType (DevicePath) == MEDIA_HARDDRIVE_DP)
) {
BlockIoHdDevicePathNode = DevicePath;
break;
}
DevicePath = NextDevicePathNode (DevicePath);
}
if (BlockIoHdDevicePathNode == NULL) {
return FALSE;
}
//
// See if the harddrive device path in blockio matches the orig Hard Drive Node
//
TmpHdPath = (HARDDRIVE_DEVICE_PATH *) BlockIoHdDevicePathNode;
Match = FALSE;
//
// Check for the match
//
if ((TmpHdPath->MBRType == HardDriveDevicePath->MBRType) &&
(TmpHdPath->SignatureType == HardDriveDevicePath->SignatureType)) {
switch (TmpHdPath->SignatureType) {
case SIGNATURE_TYPE_GUID:
Match = CompareGuid ((EFI_GUID *)TmpHdPath->Signature, (EFI_GUID *)HardDriveDevicePath->Signature);
break;
case SIGNATURE_TYPE_MBR:
Match = (BOOLEAN) (*((UINT32 *) (&(TmpHdPath->Signature[0]))) == ReadUnaligned32((UINT32 *)(&(HardDriveDevicePath->Signature[0]))));
break;
default:
Match = FALSE;
break;
}
}
return Match;
}
/**
Emuerate all possible bootable medias in the following order:
1. Removable BlockIo - The boot option only points to the removable media
device, like USB key, DVD, Floppy etc.
2. Fixed BlockIo - The boot option only points to a Fixed blockIo device,
like HardDisk.
3. Non-BlockIo SimpleFileSystem - The boot option points to a device supporting
SimpleFileSystem Protocol, but not supporting BlockIo
protocol.
4. LoadFile - The boot option points to the media supporting
LoadFile protocol.
Reference: UEFI Spec chapter 3.3 Boot Option Variables Default Boot Behavior
@param BootOptionCount Return the boot option count which has been found.
@retval Pointer to the boot option array.
**/
EFI_BOOT_MANAGER_LOAD_OPTION *
EFIAPI
EfiBootManagerEnumerateBootOptions (
UINTN *BootOptionCount
)
{
EFI_STATUS Status;
EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;
UINT16 NonBlockNumber;
UINTN HandleCount;
EFI_HANDLE *Handles;
EFI_BLOCK_IO_PROTOCOL *BlkIo;
UINTN Removable;
UINTN Index;
UINTN FunctionIndex;
CHAR16 *Temp;
CHAR16 *DescriptionPtr;
CHAR16 Description[30];
ASSERT (BootOptionCount != NULL);
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideBegin - RPCO-0031
//
if (BootOptionCount == NULL) {
return NULL;
}
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideEnd
//
*BootOptionCount = 0;
BootOptions = NULL;
//
// Parse removable block io followed by fixed block io
//
gBS->LocateHandleBuffer (
ByProtocol,
&gEfiBlockIoProtocolGuid,
NULL,
&HandleCount,
&Handles
);
for (Removable = 0; Removable < 2; Removable++) {
for (Index = 0; Index < HandleCount; Index++) {
Status = gBS->HandleProtocol (
Handles[Index],
&gEfiBlockIoProtocolGuid,
(VOID **) &BlkIo
);
if (EFI_ERROR (Status)) {
continue;
}
//
// Skip the logical partitions
//
if (BlkIo->Media->LogicalPartition) {
continue;
}
//
// Skip the fixed block io then the removable block io
//
if (BlkIo->Media->RemovableMedia == ((Removable == 0) ? FALSE : TRUE)) {
continue;
}
DescriptionPtr = NULL;
for (FunctionIndex = 0; FunctionIndex < sizeof (mGetBootDescription) / sizeof (mGetBootDescription[0]); FunctionIndex++) {
DescriptionPtr = mGetBootDescription[FunctionIndex] (Handles[Index]);
if (DescriptionPtr != NULL) {
break;
}
}
if (DescriptionPtr == NULL) {
continue;
}
//
// Avoid description confusion between UEFI & Legacy boot option by adding "UEFI " prefix
//
Temp = AllocatePool (StrSize (DescriptionPtr) + sizeof (mUefiPrefix));
ASSERT (Temp != NULL);
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideBegin - RPCO-0031
//
if (Temp == NULL){
return NULL;
}
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideEnd
//
StrCpy (Temp, mUefiPrefix);
StrCat (Temp, DescriptionPtr);
FreePool (DescriptionPtr);
DescriptionPtr = Temp;
BootOptions = ReallocatePool (
sizeof (EFI_BOOT_MANAGER_LOAD_OPTION) * (*BootOptionCount),
sizeof (EFI_BOOT_MANAGER_LOAD_OPTION) * (*BootOptionCount + 1),
BootOptions
);
ASSERT (BootOptions != NULL);
Status = EfiBootManagerInitializeLoadOption (
&BootOptions[(*BootOptionCount)++],
LoadOptionNumberUnassigned,
LoadOptionTypeBoot,
LOAD_OPTION_ACTIVE,
DescriptionPtr,
DevicePathFromHandle (Handles[Index]),
NULL,
0
);
ASSERT_EFI_ERROR (Status);
FreePool (DescriptionPtr);
}
}
if (HandleCount != 0) {
FreePool (Handles);
}
//
// Parse simple file system not based on block io
//
NonBlockNumber = 0;
gBS->LocateHandleBuffer (
ByProtocol,
&gEfiSimpleFileSystemProtocolGuid,
NULL,
&HandleCount,
&Handles
);
for (Index = 0; Index < HandleCount; Index++) {
Status = gBS->HandleProtocol (
Handles[Index],
&gEfiBlockIoProtocolGuid,
(VOID **) &BlkIo
);
if (!EFI_ERROR (Status)) {
//
// Skip if the file system handle supports a BlkIo protocol, which we've handled in above
//
continue;
}
UnicodeSPrint (Description, sizeof (Description), NonBlockNumber > 0 ? L"%s %d" : L"%s", L"UEFI Non-Block Boot Device", NonBlockNumber);
BootOptions = ReallocatePool (
sizeof (EFI_BOOT_MANAGER_LOAD_OPTION) * (*BootOptionCount),
sizeof (EFI_BOOT_MANAGER_LOAD_OPTION) * (*BootOptionCount + 1),
BootOptions
);
ASSERT (BootOptions != NULL);
Status = EfiBootManagerInitializeLoadOption (
&BootOptions[(*BootOptionCount)++],
LoadOptionNumberUnassigned,
LoadOptionTypeBoot,
LOAD_OPTION_ACTIVE,
Description,
DevicePathFromHandle (Handles[Index]),
NULL,
0
);
ASSERT_EFI_ERROR (Status);
}
if (HandleCount != 0) {
FreePool (Handles);
}
//
// Parse load file, assuming UEFI Network boot option
//
gBS->LocateHandleBuffer (
ByProtocol,
&gEfiLoadFileProtocolGuid,
NULL,
&HandleCount,
&Handles
);
for (Index = 0; Index < HandleCount; Index++) {
UnicodeSPrint (Description, sizeof (Description), Index > 0 ? L"%s %d" : L"%s", L"UEFI Network", Index);
BootOptions = ReallocatePool (
sizeof (EFI_BOOT_MANAGER_LOAD_OPTION) * (*BootOptionCount),
sizeof (EFI_BOOT_MANAGER_LOAD_OPTION) * (*BootOptionCount + 1),
BootOptions
);
ASSERT (BootOptions != NULL);
Status = EfiBootManagerInitializeLoadOption (
&BootOptions[(*BootOptionCount)++],
LoadOptionNumberUnassigned,
LoadOptionTypeBoot,
LOAD_OPTION_ACTIVE,
Description,
DevicePathFromHandle (Handles[Index]),
NULL,
0
);
ASSERT_EFI_ERROR (Status);
}
if (HandleCount != 0) {
FreePool (Handles);
}
return BootOptions;
}
/**
The function enumerates all boot options, creates them and registers them in the BootOrder variable.
**/
VOID
EFIAPI
EfiBootManagerRefreshAllBootOption (
VOID
)
{
EFI_STATUS Status;
EFI_BOOT_MANAGER_LOAD_OPTION *NvBootOptions;
UINTN NvBootOptionCount;
EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;
UINTN BootOptionCount;
UINTN Index;
BootOptions = NULL; // ROYAL_PARK_OVERRIDE: RoyalParkOverrideContent - RPCO-0031
NvBootOptions = NULL; // ROYAL_PARK_OVERRIDE: RoyalParkOverrideContent - RPCO-0031
//
// Optionally refresh the legacy boot option
//
if (mEfiBootManagerRefreshLegacyBootOption != NULL) {
mEfiBootManagerRefreshLegacyBootOption ();
}
BootOptions = EfiBootManagerEnumerateBootOptions (&BootOptionCount);
NvBootOptions = EfiBootManagerGetLoadOptions (&NvBootOptionCount, LoadOptionTypeBoot);
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideBegin - RPCO-0031
//
if (BootOptions == NULL && NvBootOptions == NULL) {
return;
}
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideEnd
//
//
// Mark the boot option as added by BDS by setting OptionalData to a special GUID
//
for (Index = 0; Index < BootOptionCount; Index++) {
BootOptions[Index].OptionalData = AllocateCopyPool (sizeof (EFI_GUID), &mAutoCreateBootOptionGuid);
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideBegin - RPCO-0031
//
if (BootOptions[Index].OptionalData == NULL) {
goto EXIT;
}
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideEnd
//
BootOptions[Index].OptionalDataSize = sizeof (EFI_GUID);
}
//
// Remove invalid EFI boot options from NV
//
for (Index = 0; Index < NvBootOptionCount; Index++) {
if (((DevicePathType (NvBootOptions[Index].FilePath) != BBS_DEVICE_PATH) ||
(DevicePathSubType (NvBootOptions[Index].FilePath) != BBS_BBS_DP)
) &&
(NvBootOptions[Index].OptionalDataSize == sizeof (EFI_GUID)) &&
CompareGuid ((EFI_GUID *) NvBootOptions[Index].OptionalData, &mAutoCreateBootOptionGuid)
) {
//
// Only check those added by BDS
// so that the boot options added by end-user or OS installer won't be deleted
//
if (EfiBootManagerFindLoadOption (&NvBootOptions[Index], BootOptions, BootOptionCount) == (UINTN) -1) {
Status = EfiBootManagerDeleteLoadOptionVariable (NvBootOptions[Index].OptionNumber, LoadOptionTypeBoot);
//
// Deleting variable with current variable implementation shouldn't fail.
//
ASSERT_EFI_ERROR (Status);
}
}
}
//
// Add new EFI boot options to NV
//
for (Index = 0; Index < BootOptionCount; Index++) {
if (EfiBootManagerFindLoadOption (&BootOptions[Index], NvBootOptions, NvBootOptionCount) == (UINTN) -1) {
EfiBootManagerAddLoadOptionVariable (&BootOptions[Index], (UINTN) -1);
//
// Try best to add the boot options so continue upon failure.
//
}
}
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideBegin - RPCO-0031
//
EXIT:
if (BootOptions != NULL) {
EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);
}
if (NvBootOptions != NULL) {
EfiBootManagerFreeLoadOptions (NvBootOptions, NvBootOptionCount);
}
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideEnd
//
}
/**
For a bootable Device path, return its boot type.
@param DevicePath The bootable device Path to check
@retval AcpiFloppyBoot If given device path contains ACPI_DEVICE_PATH type device path node
which HID is floppy device.
@retval MessageAtapiBoot If given device path contains MESSAGING_DEVICE_PATH type device path node
and its last device path node's subtype is MSG_ATAPI_DP.
@retval MessageSataBoot If given device path contains MESSAGING_DEVICE_PATH type device path node
and its last device path node's subtype is MSG_SATA_DP.
@retval MessageScsiBoot If given device path contains MESSAGING_DEVICE_PATH type device path node
and its last device path node's subtype is MSG_SCSI_DP.
@retval MessageUsbBoot If given device path contains MESSAGING_DEVICE_PATH type device path node
and its last device path node's subtype is MSG_USB_DP.
@retval MessageNetworkBoot If given device path contains MESSAGING_DEVICE_PATH type device path node
and its last device path node's subtype is MSG_MAC_ADDR_DP, MSG_VLAN_DP,
MSG_IPv4_DP or MSG_IPv6_DP.
@retval UnsupportedBoot If tiven device path doesn't match the above condition, it's not supported.
**/
BOOT_TYPE
BootTypeFromDevicePath (
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
)
{
EFI_DEVICE_PATH_PROTOCOL *Node;
EFI_DEVICE_PATH_PROTOCOL *NextNode;
ASSERT (DevicePath != NULL);
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideBegin - RPCO-0031
//
if (DevicePath == NULL) {
return MiscBoot;
}
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideEnd
//
for (Node = DevicePath; !IsDevicePathEndType (Node); Node = NextDevicePathNode (Node)) {
switch (DevicePathType (Node)) {
case ACPI_DEVICE_PATH:
if (EISA_ID_TO_NUM (((ACPI_HID_DEVICE_PATH *) Node)->HID) == 0x0604) {
return AcpiFloppyBoot;
}
break;
case HARDWARE_DEVICE_PATH:
if (DevicePathSubType (Node) == HW_CONTROLLER_DP) {
return HardwareDeviceBoot;
}
break;
case MESSAGING_DEVICE_PATH:
//
// Skip LUN device node
//
NextNode = Node;
do {
NextNode = NextDevicePathNode (NextNode);
} while (
(DevicePathType (NextNode) == MESSAGING_DEVICE_PATH) &&
(DevicePathSubType(NextNode) == MSG_DEVICE_LOGICAL_UNIT_DP)
);
//
// If the device path not only point to driver device, it is not a messaging device path,
//
if (!IsDevicePathEndType (NextNode)) {
break;
}
switch (DevicePathSubType (Node)) {
case MSG_ATAPI_DP:
return MessageAtapiBoot;
break;
case MSG_SATA_DP:
return MessageSataBoot;
break;
case MSG_USB_DP:
return MessageUsbBoot;
break;
case MSG_SCSI_DP:
return MessageScsiBoot;
break;
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideBegin - RPCO-0005
//
case MSG_NVME_NAMESPACE_DP:
return MessageNvmeBoot;
break;
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideEnd
//
case MSG_MAC_ADDR_DP:
case MSG_VLAN_DP:
case MSG_IPv4_DP:
case MSG_IPv6_DP:
return MessageNetworkBoot;
break;
}
}
}
return MiscBoot;
}
/**
This function is called to create the boot option for the Boot Manager Menu.
The Boot Manager Menu is shown after successfully booting a boot option.
Assume the BootManagerMenuFile is in the same FV as the module links to this library.
@param BootOption Return the boot option of the Boot Manager Menu
@retval EFI_SUCCESS Successfully register the Boot Manager Menu.
@retval Status Return status of gRT->SetVariable (). BootOption still points
to the Boot Manager Menu even the Status is not EFI_SUCCESS.
**/
EFI_STATUS
RegisterBootManagerMenu (
OUT EFI_BOOT_MANAGER_LOAD_OPTION *BootOption
)
{
EFI_STATUS Status;
CHAR16 *Description;
UINTN DescriptionLength;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;
MEDIA_FW_VOL_FILEPATH_DEVICE_PATH FileNode;
Status = GetSectionFromFv (
PcdGetPtr (PcdBootManagerMenuFile),
EFI_SECTION_USER_INTERFACE,
0,
(VOID **) &Description,
&DescriptionLength
);
if (EFI_ERROR (Status)) {
Description = NULL;
}
EfiInitializeFwVolDevicepathNode (&FileNode, PcdGetPtr (PcdBootManagerMenuFile));
Status = gBS->HandleProtocol (
gImageHandle,
&gEfiLoadedImageProtocolGuid,
(VOID **) &LoadedImage
);
ASSERT_EFI_ERROR (Status);
DevicePath = AppendDevicePathNode (
DevicePathFromHandle (LoadedImage->DeviceHandle),
(EFI_DEVICE_PATH_PROTOCOL *) &FileNode
);
ASSERT (DevicePath != NULL);
Status = EfiBootManagerInitializeLoadOption (
BootOption,
LoadOptionNumberUnassigned,
LoadOptionTypeBoot,
LOAD_OPTION_CATEGORY_APP | LOAD_OPTION_ACTIVE | LOAD_OPTION_HIDDEN,
(Description != NULL) ? Description : L"Boot Manager Menu",
DevicePath,
NULL,
0
);
ASSERT_EFI_ERROR (Status);
FreePool (DevicePath);
if (Description != NULL) {
FreePool (Description);
}
DEBUG_CODE (
EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;
UINTN BootOptionCount;
BootOptions = EfiBootManagerGetLoadOptions (&BootOptionCount, LoadOptionTypeBoot);
ASSERT (EfiBootManagerFindLoadOption (BootOption, BootOptions, BootOptionCount) == -1);
EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);
);
return EfiBootManagerAddLoadOptionVariable (BootOption, 0);
}
/**
Return the boot option corresponding to the Boot Manager Menu.
It may automatically create one if the boot option hasn't been created yet.
@param BootOption Return the Boot Manager Menu.
@retval EFI_SUCCESS The Boot Manager Menu is successfully returned.
@retval Status Return status of gRT->SetVariable (). BootOption still points
to the Boot Manager Menu even the Status is not EFI_SUCCESS.
**/
EFI_STATUS
EFIAPI
EfiBootManagerGetBootManagerMenu (
EFI_BOOT_MANAGER_LOAD_OPTION *BootOption
)
{
EFI_STATUS Status;
UINTN BootOptionCount;
EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;
UINTN Index;
EFI_DEVICE_PATH_PROTOCOL *Node;
EFI_HANDLE FvHandle;
EFI_GUID *TempGuid; // ROYAL_PARK_OVERRIDE: RoyalParkOverrideContent - RPCO-0031
BOOLEAN IsEqual; // ROYAL_PARK_OVERRIDE: RoyalParkOverrideContent - RPCO-0031
BootOptions = EfiBootManagerGetLoadOptions (&BootOptionCount, LoadOptionTypeBoot);
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideBegin - RPCO-0031
//
for (Index = 0; Index < BootOptionCount; Index++) {
IsEqual = FALSE;
Node = BootOptions[Index].FilePath;
Status = gBS->LocateDevicePath (&gEfiFirmwareVolume2ProtocolGuid, &Node, &FvHandle);
if (!EFI_ERROR (Status)) {
TempGuid = EfiGetNameGuidFromFwVolDevicePathNode ((CONST MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *) Node);
if (TempGuid != NULL) {
IsEqual = CompareGuid (TempGuid, PcdGetPtr (PcdBootManagerMenuFile));
}
if (IsEqual) {
Status = EfiBootManagerInitializeLoadOption (
BootOption,
BootOptions[Index].OptionNumber,
BootOptions[Index].OptionType,
BootOptions[Index].Attributes,
BootOptions[Index].Description,
BootOptions[Index].FilePath,
BootOptions[Index].OptionalData,
BootOptions[Index].OptionalDataSize
);
ASSERT_EFI_ERROR (Status);
break;
}
}
}
//
// ROYAL_PARK_OVERRIDE: RoyalParkOverrideEnd
//
EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);
//
// Automatically create the Boot#### for Boot Manager Menu when not found.
//
if (Index == BootOptionCount) {
return RegisterBootManagerMenu (BootOption);
} else {
return EFI_SUCCESS;
}
}
#endif
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