From f8fe689a81f906d1b91bb3220acde2a4ecb14c5b Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 05:01:46 +0200 Subject: Adding upstream version 6.0.4-dfsg. Signed-off-by: Daniel Baumann --- .../bs3kit/bs3-c16-CreateHybridFarRet.asm | 53 ++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 src/VBox/ValidationKit/bootsectors/bs3kit/bs3-c16-CreateHybridFarRet.asm (limited to 'src/VBox/ValidationKit/bootsectors/bs3kit/bs3-c16-CreateHybridFarRet.asm') diff --git a/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-c16-CreateHybridFarRet.asm b/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-c16-CreateHybridFarRet.asm new file mode 100644 index 00000000..ef48576f --- /dev/null +++ b/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-c16-CreateHybridFarRet.asm @@ -0,0 +1,53 @@ +; $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 + -- cgit v1.2.3