1 #------------------------------------------------------------------------------ 2 # 3 # Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR> 4 # Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> 5 # Portions copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.<BR> 6 # 7 # This program and the accompanying materials 8 # are licensed and made available under the terms and conditions of the BSD License 9 # which accompanies this distribution. The full text of the license may be found at 10 # http://opensource.org/licenses/bsd-license.php. 11 # 12 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 13 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 14 # 15 #------------------------------------------------------------------------------ 16 17 .text 18 .align 3 19 20 GCC_ASM_EXPORT(SecSwitchStack) 21 22 23 24 #/** 25 # This allows the caller to switch the stack and return 26 # 27 # @param StackDelta Signed amount by which to modify the stack pointer 28 # 29 # @return Nothing. Goes to the Entry Point passing in the new parameters 30 # 31 #**/ 32 #VOID 33 #EFIAPI 34 #SecSwitchStack ( 35 # VOID *StackDelta 36 # )# 37 # 38 ASM_PFX(SecSwitchStack): 39 mov x1, sp 40 add x1, x0, x1 41 mov sp, x1 42 ret 43 44
