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git.proxmox.com Git - mirror_edk2.git/blob - IntelFspPkg/Library/BaseFspSwitchStackLib/FspSwitchStackLib.c
3 Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>
4 This program and the accompanying materials
5 are licensed and made available under the terms and conditions of the BSD License
6 which accompanies this distribution. The full text of the license may be found at
7 http://opensource.org/licenses/bsd-license.php.
9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
15 #include <Library/BaseLib.h>
16 #include <Library/FspCommonLib.h>
20 Switch the current stack to the previous saved stack.
22 @param[in] NewStack The new stack to be switched.
24 @return OldStack After switching to the saved stack,
25 this value will be saved in eax before returning.
34 FSP_GLOBAL_DATA
*FspData
;
37 FspData
= GetFspGlobalDataPointer ();
38 OldStack
= FspData
->CoreStack
;
39 FspData
->CoreStack
= NewStack
;