VirtualBox

source: vbox/trunk/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-first-init-all-pe32.asm@ 69111

Last change on this file since 69111 was 69111, checked in by vboxsync, 7 years ago

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File size: 1.8 KB
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1; $Id: bs3-first-init-all-pe32.asm 69111 2017-10-17 14:26:02Z vboxsync $
2;; @file
3; BS3Kit - First Object, calling 32-bit protected mode main() after full init.
4;
5
6;
7; Copyright (C) 2007-2017 Oracle Corporation
8;
9; This file is part of VirtualBox Open Source Edition (OSE), as
10; available from http://www.virtualbox.org. This file is free software;
11; you can redistribute it and/or modify it under the terms of the GNU
12; General Public License (GPL) as published by the Free Software
13; Foundation, in version 2 as it comes in the "COPYING" file of the
14; VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15; hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16;
17; The contents of this file may alternatively be used under the terms
18; of the Common Development and Distribution License Version 1.0
19; (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20; VirtualBox OSE distribution, in which case the provisions of the
21; CDDL are applicable instead of those of the GPL.
22;
23; You may elect to license modified versions of this file under the
24; terms and conditions of either the GPL or the CDDL or both.
25;
26
27
28;
29; Segment defs, grouping and related variables.
30; Defines the entry point 'start' as well, leaving us in BS3TEXT16.
31;
32%include "bs3-first-common.mac"
33
34extern NAME(Bs3InitAll_rm)
35extern NAME(Bs3SwitchToPE32_rm)
36
37;; Entry point.
38 push word 0 ; zero return address.
39 push word 0 ; zero caller BP
40 mov bp, sp
41
42 ;
43 ; Init all while we're in real mode.
44 ;
45 mov ax, BS3_SEL_DATA16
46 mov es, ax
47 mov ds, ax
48 call NAME(Bs3InitAll_rm)
49
50 ;
51 ; Switch to 32-bit protected mode and call main.
52 ;
53 call NAME(Bs3SwitchToPE32_rm)
54 BS3_SET_BITS 32
55 call _Main_pe32
56extern _Main_pe32
57BS3_EXTERN_CMN Bs3Shutdown
58 call Bs3Shutdown
59
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