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Diffstat (limited to '')
-rw-r--r-- | src/VBox/ValidationKit/bootsectors/bootsector-empty.asm | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/VBox/ValidationKit/bootsectors/bootsector-empty.asm b/src/VBox/ValidationKit/bootsectors/bootsector-empty.asm new file mode 100644 index 00000000..b1aec9fe --- /dev/null +++ b/src/VBox/ValidationKit/bootsectors/bootsector-empty.asm @@ -0,0 +1,70 @@ +; $Id: bootsector-empty.asm $ +;; @file +; Empty bootsector can be used as example +; + +; +; Copyright (C) 2012-2023 Oracle and/or its affiliates. +; +; This file is part of VirtualBox base platform packages, as +; available from https://www.virtualbox.org. +; +; This program is free software; you can redistribute it and/or +; modify it under the terms of the GNU General Public License +; as published by the Free Software Foundation, in version 3 of the +; License. +; +; This program is distributed in the hope that it will be useful, but +; WITHOUT ANY WARRANTY; without even the implied warranty of +; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +; General Public License for more details. +; +; You should have received a copy of the GNU General Public License +; along with this program; if not, see <https://www.gnu.org/licenses>. +; +; The contents of this file may alternatively be used under the terms +; of the Common Development and Distribution License Version 1.0 +; (CDDL), a copy of it is provided in the "COPYING.CDDL" file included +; in the VirtualBox 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. +; +; SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 +; + +%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 + |