;------------------------------------------------------------------------------ ; ; Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.
; Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.
; SPDX-License-Identifier: BSD-2-Clause-Patent ; ;------------------------------------------------------------------------------ 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