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MdeModulePkg/Bds: Do not boot to UI again when BootNext points to UI 

Per UEFI spec the successful returning of boot option triggers boot
to UI. But when the BootNext just points to UI, it causes confusing.
So the patch avoids booting to UI again when the BootNext points to
UI.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Amy Chan <amy.chan@intel.com>
This commit is contained in:
Ruiyu Ni 2016-06-21 13:04:31 +08:00
parent 85df61243c
commit dd85dd0731
1 changed files with 3 additions and 2 deletions
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5
MdeModulePkg/Universal/BdsDxe/BdsEntry.c
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@ -6,7 +6,7 @@
to enter BDS phase.
(C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
Copyright (c) 2004 - 2015, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2004 - 2016, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@ -923,9 +923,10 @@ BdsEntry (
if (!EFI_ERROR (Status)) {
EfiBootManagerBoot (&LoadOption);
EfiBootManagerFreeLoadOption (&LoadOption);
if (LoadOption.Status == EFI_SUCCESS) {
if ((LoadOption.Status == EFI_SUCCESS) && (LoadOption.OptionNumber != BootManagerMenu.OptionNumber)) {
//
// Boot to Boot Manager Menu upon EFI_SUCCESS
// Exception: Do not boot again when the BootNext points to Boot Manager Menu.
//
EfiBootManagerBoot (&BootManagerMenu);
}