| 1 | ; $Id: bs3-first-init-all-pe32.asm 76553 2019-01-01 01:45:53Z vboxsync $
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| 2 | ;; @file
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| 3 | ; BS3Kit - First Object, calling 32-bit protected mode main() after full init.
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| 4 | ;
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| 5 |
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| 6 | ;
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| 7 | ; Copyright (C) 2007-2019 Oracle Corporation
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| 8 | ;
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| 9 | ; This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | ; available from http://www.virtualbox.org. This file is free software;
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| 11 | ; you can redistribute it and/or modify it under the terms of the GNU
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| 12 | ; General Public License (GPL) as published by the Free Software
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| 13 | ; Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | ; VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | ; hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | ;
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| 17 | ; The contents of this file may alternatively be used under the terms
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| 18 | ; of the Common Development and Distribution License Version 1.0
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| 19 | ; (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | ; VirtualBox OSE distribution, in which case the provisions of the
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| 21 | ; CDDL are applicable instead of those of the GPL.
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| 22 | ;
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| 23 | ; You may elect to license modified versions of this file under the
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| 24 | ; terms and conditions of either the GPL or the CDDL or both.
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| 25 | ;
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| 26 |
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| 27 |
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| 28 | ;
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| 29 | ; Segment defs, grouping and related variables.
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| 30 | ; Defines the entry point 'start' as well, leaving us in BS3TEXT16.
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| 31 | ;
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| 32 | %include "bs3-first-common.mac"
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| 33 |
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| 34 | extern NAME(Bs3InitAll_rm)
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| 35 | extern NAME(Bs3SwitchToPE32_rm)
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| 36 |
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| 37 | ;; Entry point.
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| 38 | push word 0 ; zero return address.
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| 39 | push word 0 ; zero caller BP
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| 40 | mov bp, sp
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| 41 |
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| 42 | ;
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| 43 | ; Init all while we're in real mode.
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| 44 | ;
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| 45 | mov ax, BS3_SEL_DATA16
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| 46 | mov es, ax
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| 47 | mov ds, ax
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| 48 | call NAME(Bs3InitAll_rm)
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| 49 |
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| 50 | ;
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| 51 | ; Switch to 32-bit protected mode and call main.
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| 52 | ;
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| 53 | call NAME(Bs3SwitchToPE32_rm)
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| 54 | BS3_SET_BITS 32
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| 55 | call _Main_pe32
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| 56 | extern _Main_pe32
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| 57 | BS3_EXTERN_CMN Bs3Shutdown
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| 58 | call Bs3Shutdown
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| 59 |
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