Remove ArmEbPkg and replace with ArmRealViewEbPkg. Ported ArmRealViewEbPkg to have...

[mirror_edk2.git] / ArmRealViewEbPkg / SecForPei / Arm / SwitchStack.asm

;------------------------------------------------------------------------------ \r
;\r
; Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>\r
; Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
; This program and the accompanying materials\r
; are licensed and made available under the terms and conditions of the BSD License\r
; which accompanies this distribution.  The full text of the license may be found at\r
; http://opensource.org/licenses/bsd-license.php.\r
;\r
; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
;\r
;------------------------------------------------------------------------------\r
  \r
    EXPORT SecSwitchStack\r
            \r
    AREA   Switch_Stack, CODE, READONLY\r
  \r
;/**\r
;  This allows the caller to switch the stack and return\r
;\r
; @param      StackDelta     Signed amount by which to modify the stack pointer\r
;\r
; @return     Nothing. Goes to the Entry Point passing in the new parameters\r
;\r
;**/\r
;VOID\r
;EFIAPI\r
;SecSwitchStack (\r
;  VOID  *StackDelta\r
;  );\r
;\r
SecSwitchStack   \r
    MOV   R1, SP\r
    ADD   R1, R0, R1\r
    MOV   SP, R1\r
    BX    LR\r
    END\r