| ;------------------------------------------------------------------------------ | |
| ; | |
| ; Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR> | |
| ; Portions copyright (c) 2008 - 2009, Apple Inc. 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 | |
| ; http://opensource.org/licenses/bsd-license.php. | |
| ; | |
| ; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
| ; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
| ; | |
| ;------------------------------------------------------------------------------ | |
| EXPORT SecSwitchStack | |
| AREA Switch_Stack, CODE, READONLY | |
| ;/** | |
| ; This allows the caller to switch the stack and return | |
| ; | |
| ; @param StackDelta Signed amount by which to modify the stack pointer | |
| ; | |
| ; @return Nothing. Goes to the Entry Point passing in the new parameters | |
| ; | |
| ;**/ | |
| ;VOID | |
| ;EFIAPI | |
| ;SecSwitchStack ( | |
| ; VOID *StackDelta | |
| ; ); | |
| ; | |
| SecSwitchStack | |
| MOV R1, SP | |
| ADD R1, R0, R1 | |
| MOV SP, R1 | |
| BX LR | |
| END |