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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:17:27 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:17:27 +0000 |
commit | f215e02bf85f68d3a6106c2a1f4f7f063f819064 (patch) | |
tree | 6bb5b92c046312c4e95ac2620b10ddf482d3fa8b /include/VBox/bioslogo.h | |
parent | Initial commit. (diff) | |
download | virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.tar.xz virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.zip |
Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | include/VBox/bioslogo.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/include/VBox/bioslogo.h b/include/VBox/bioslogo.h new file mode 100644 index 00000000..516130e0 --- /dev/null +++ b/include/VBox/bioslogo.h @@ -0,0 +1,108 @@ +/* $Id: bioslogo.h $ */ +/** @file + * BiosLogo - The Private BIOS Logo Interface. (DEV) + */ + +/* + * Copyright (C) 2006-2023 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 + */ + +#ifndef VBOX_INCLUDED_bioslogo_h +#define VBOX_INCLUDED_bioslogo_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#ifndef VBOX_PC_BIOS +# include <iprt/types.h> +# include <iprt/assert.h> +#endif + +/** @defgroup grp_bios_logo The Private BIOS Logo Interface. + * @ingroup grp_devdrv + * @internal + * + * @remark All this is currently duplicated in logo.c. + * + * @{ + */ + +/** The extra port which is used to show the BIOS logo. */ +#define LOGO_IO_PORT 0x3b8 + +/** The BIOS logo fade in/fade out steps. */ +#define LOGO_SHOW_STEPS 16 + +/** @name The BIOS logo commands. + * @{ + */ +#define LOGO_CMD_NOP 0 +#define LOGO_CMD_SET_OFFSET 0x100 +#define LOGO_CMD_SHOW_BMP 0x200 +/** @} */ + +/** + * PC Bios logo data structure. + */ +typedef struct LOGOHDR +{ + /** Signature (LOGO_HDR_MAGIC/0x66BB). */ + uint16_t u16Signature; + /** Logo time (msec). */ + uint16_t u16LogoMillies; + /** Fade in - boolean. */ + uint8_t fu8FadeIn; + /** Fade out - boolean. */ + uint8_t fu8FadeOut; + /** Show setup - boolean. */ + uint8_t fu8ShowBootMenu; + /** Reserved / padding. */ + uint8_t u8Reserved; + /** Logo file size. */ + uint32_t cbLogo; +} LOGOHDR; +#ifndef VBOX_PC_BIOS +AssertCompileSize(LOGOHDR, 12); +#endif +/** Pointer to a PC BIOS logo header. */ +typedef LOGOHDR *PLOGOHDR; +/** Pointer to a const PC BIOS logo header. */ +typedef LOGOHDR const *PCLOGOHDR; + +/** The value of the LOGOHDR::u16Signature field. */ +#define LOGO_HDR_MAGIC 0x66BB + +/** The value which will switch you the default logo. */ +#define LOGO_DEFAULT_LOGO 0xFFFF + +/** @} */ + +#endif /* !VBOX_INCLUDED_bioslogo_h */ + |