MdePkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / MdePkg / Library / BaseLib / Arm / SwitchStack.asm

;------------------------------------------------------------------------------\r
;\r
; Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
; Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
; SPDX-License-Identifier: BSD-2-Clause-Patent\r
;\r
;------------------------------------------------------------------------------\r
\r
    EXPORT InternalSwitchStackAsm\r
\r
    AREA   Switch_Stack, CODE, READONLY\r
\r
;/**\r
;  This allows the caller to switch the stack and goes to the new entry point\r
;\r
; @param      EntryPoint   The pointer to the location to enter\r
; @param      Context      Parameter to pass in\r
; @param      Context2     Parameter2 to pass in\r
; @param      NewStack     New Location of the stack\r
;\r
; @return     Nothing. Goes to the Entry Point passing in the new parameters\r
;\r
;**/\r
;VOID\r
;EFIAPI\r
;InternalSwitchStackAsm (\r
;  SWITCH_STACK_ENTRY_POINT EntryPoint,\r
;  VOID  *Context,\r
;  VOID  *Context2,\r
;  VOID  *NewStack\r
;  );\r
;\r
InternalSwitchStackAsm\r
    MOV   LR, R0\r
    MOV   SP, R3\r
    MOV   R0, R1\r
    MOV   R1, R2\r
    BX    LR\r
    END\r