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 # This program and the accompanying materials 6 # are licensed and made available under the terms and conditions of the BSD License 7 # which accompanies this distribution. The full text of the license may be found at 8 # http://opensource.org/licenses/bsd-license.php. 9 # 10 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12 # 13 #------------------------------------------------------------------------------ 14 15 .text 16 .align 3 17 18 GCC_ASM_EXPORT(SecSwitchStack) 19 20 21 22 #/** 23 # This allows the caller to switch the stack and return 24 # 25 # @param StackDelta Signed amount by which to modify the stack pointer 26 # 27 # @return Nothing. Goes to the Entry Point passing in the new parameters 28 # 29 #**/ 30 #VOID 31 #EFIAPI 32 #SecSwitchStack ( 33 # VOID *StackDelta 34 # )# 35 # 36 ASM_PFX(SecSwitchStack): 37 mov R1, R13 38 add R1, R0, R1 39 mov R13, R1 40 bx LR 41 42 43 44