; $Id: bs3-c16-CreateHybridFarRet.asm $ ;; @file ; BS3Kit - Bs3A20Disable. ; ; ; Copyright (C) 2007-2023 Oracle and/or its affiliates. ; ; This file is part of VirtualBox base platform packages, as ; available from https://www.virtualbox.org. ; ; This program is free software; you can redistribute it and/or ; modify it under the terms of the GNU General Public License ; as published by the Free Software Foundation, in version 3 of the ; License. ; ; This program is distributed in the hope that it will be useful, but ; WITHOUT ANY WARRANTY; without even the implied warranty of ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ; General Public License for more details. ; ; You should have received a copy of the GNU General Public License ; along with this program; if not, see . ; ; The contents of this file may alternatively be used under the terms ; of the Common Development and Distribution License Version 1.0 ; (CDDL), a copy of it is provided in the "COPYING.CDDL" file included ; in the VirtualBox 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. ; ; SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 ; %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