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; $Id$
;; @file
; BS3Kit - First Object, calling 32-bit protected mode main() after full init.
;
;
; Copyright (C) 2007-2022 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.
;
;
; Segment defs, grouping and related variables.
; Defines the entry point 'start' as well, leaving us in BS3TEXT16.
;
%include "bs3-first-common.mac"
extern NAME(Bs3InitAll_rm)
extern NAME(Bs3SwitchToPE32_rm)
;; Entry point.
push word 0 ; zero return address.
push word 0 ; zero caller BP
mov bp, sp
;
; Init all while we're in real mode.
;
mov ax, BS3_SEL_DATA16
mov es, ax
mov ds, ax
call NAME(Bs3InitAll_rm)
;
; Switch to 32-bit protected mode and call main.
;
call NAME(Bs3SwitchToPE32_rm)
BS3_SET_BITS 32
call _Main_pe32
extern _Main_pe32
BS3_EXTERN_CMN Bs3Shutdown
call Bs3Shutdown
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