; $Id: bs3-c16-CreateHybridFarRet.asm $ ;; @file ; BS3Kit - Bs3A20Disable. ; ; ; Copyright (C) 2007-2019 Oracle Corporation ; ; This file is part of VirtualBox Open Source Edition (OSE), as ; available from http://www.virtualbox.org. This file is free software; ; you can redistribute it and/or modify it under the terms of the GNU ; General Public License (GPL) as published by the Free Software ; Foundation, in version 2 as it comes in the "COPYING" file of the ; VirtualBox OSE distribution. VirtualBox OSE is distributed in the ; hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. ; ; The contents of this file may alternatively be used under the terms ; of the Common Development and Distribution License Version 1.0 ; (CDDL) only, as it comes in the "COPYING.CDDL" file of the ; VirtualBox OSE distribution, in which case the provisions of the ; CDDL are applicable instead of those of the GPL. ; ; You may elect to license modified versions of this file under the ; terms and conditions of either the GPL or the CDDL or both. ; %include "bs3kit.mac" ;; ; Worker for BS3_PROC_BEGIN_CMN ; @uses nothing BS3_PROC_BEGIN Bs3CreateHybridFarRet_c16 push ax ; reserve space push bp mov bp, sp push ax ; save it ; Move the return address up a word. mov ax, [bp + 4] mov [bp + 2], ax ; Move the caller's return address up a word. mov ax, [bp + 6] mov [bp + 4], ax ; Add CS to the caller's far return address. mov [bp + 6], cs pop ax pop bp ret BS3_PROC_END Bs3CreateHybridFarRet_c16