7f22d35110
Move stack alignment check from CPU specific files into common SwitchStack() function and add VA_END() to SwitchStack(). Fix incorrect syntax for ASM_FUNCTION_REMOVE_IF_UNREFERENCED git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9193 6f19259b-4bc3-4df7-8a09-765794883524
46 lines
1.5 KiB
NASM
46 lines
1.5 KiB
NASM
;------------------------------------------------------------------------------
|
|
;
|
|
; Copyright (c) 2006 - 2009, Intel Corporation<BR>
|
|
; Portions copyright (c) 2008-2009 Apple Inc. All rights reserved.<BR>
|
|
; All rights reserved. This program and the accompanying materials
|
|
; are licensed and made available under the terms and conditions of the BSD License
|
|
; which accompanies this distribution. The full text of the license may be found at
|
|
; http://opensource.org/licenses/bsd-license.php
|
|
;
|
|
; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
;
|
|
;------------------------------------------------------------------------------
|
|
|
|
EXPORT InternalSwitchStackAsm
|
|
|
|
AREA Switch_Stack, CODE, READONLY
|
|
|
|
;/**
|
|
; This allows the caller to switch the stack and goes to the new entry point
|
|
;
|
|
; @param EntryPoint Pointer to the location to enter
|
|
; @param Context Parameter to pass in
|
|
; @param Context2 Parameter2 to pass in
|
|
; @param NewStack New Location of the stack
|
|
;
|
|
; @return Nothing. Goes to the Entry Point passing in the new parameters
|
|
;
|
|
;**/
|
|
;VOID
|
|
;EFIAPI
|
|
;InternalSwitchStackAsm (
|
|
; SWITCH_STACK_ENTRY_POINT EntryPoint,
|
|
; VOID *Context,
|
|
; VOID *Context2,
|
|
; VOID *NewStack
|
|
; );
|
|
;
|
|
InternalSwitchStackAsm
|
|
MOV LR, R0
|
|
MOV SP, R3
|
|
MOV R0, R1
|
|
MOV R1, R2
|
|
BX LR
|
|
END
|