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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 03:01:46 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 03:01:46 +0000
commitf8fe689a81f906d1b91bb3220acde2a4ecb14c5b (patch)
tree26484e9d7e2c67806c2d1760196ff01aaa858e8c /src/VBox/ValidationKit/bootsectors/bootsector-empty.asm
parentInitial commit. (diff)
downloadvirtualbox-f8fe689a81f906d1b91bb3220acde2a4ecb14c5b.tar.xz
virtualbox-f8fe689a81f906d1b91bb3220acde2a4ecb14c5b.zip
Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/ValidationKit/bootsectors/bootsector-empty.asm')
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diff --git a/src/VBox/ValidationKit/bootsectors/bootsector-empty.asm b/src/VBox/ValidationKit/bootsectors/bootsector-empty.asm
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+; $Id: bootsector-empty.asm $
+;; @file
+; Empty bootsector can be used as example
+;
+
+;
+; Copyright (C) 2012-2019 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 "iprt/asmdefs.mac"
+%include "iprt/x86.mac"
+
+
+;; The boot sector load address.
+%define BS_ADDR 0x7c00
+%define PDP_ADDR 0x9000
+%define PD_ADDR 0xa000
+
+
+BITS 16
+start:
+ ; Start with a jump just to follow the convention.
+ jmp short the_code
+ nop
+times 3ah db 0
+
+the_code:
+ ; put the code here
+
+
+
+hlt_again:
+ hlt
+ cli
+ jmp hlt_again
+
+ ;
+ ; The GDT.
+ ;
+padding:
+times 510 - (padding - start) db 0
+ db 055h, 0aah
+