1 files changed, 85 insertions, 0 deletions
diff --git a/src/VBox/ValidationKit/utils/dos/WinExit.asm b/src/VBox/ValidationKit/utils/dos/WinExit.asm
new file mode 100644
index 00000000..b747891f
--- /dev/null
+++ b/src/VBox/ValidationKit/utils/dos/WinExit.asm
@@ -0,0 +1,85 @@
+; $Id: WinExit.asm $
+;; @file
+; 16-bit windows program that exits windows.
+;
+; Build: wcl -I%WATCOM%\h\win -l=windows -k4096 -fm WinExit.asm
+;
+
+;
+; Copyright (C) 2018-2019 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.
+;
+
+
+
+;.stack 4096
+STACK   segment para stack 'STACK'
+STACK   ends
+
+
+extrn INITTASK:FAR
+extrn INITAPP:FAR
+extrn EXITWINDOWS:FAR
+extrn WAITEVENT:FAR
+
+_TEXT   segment word public 'CODE'
+start:
+        push    bp
+        mov     bp, sp
+
+        ;
+        ; Initialize the windows app.
+        ;
+        call    INITTASK
+
+        xor     ax, ax
+        push    ax
+        call    WAITEVENT
+
+        push    di                      ; hInstance
+        push    di
+        call    INITAPP
+
+        ;
+        ; Do what we're here for, exitting windows.
+        ;
+        xor     ax, ax
+        xor     cx, cx
+        xor     dx, dx
+        push    ax
+        push    ax
+        push    ax
+        push    ax
+        call    EXITWINDOWS
+
+        ;
+        ; Exit via DOS interrupt.
+        ;
+        xor     al, al
+        mov     ah,04cH
+        int     021h
+
+        mov     sp, bp
+        pop     bp
+        ret
+
+_TEXT   ends
+
+end start
+