/* $Id: bioslogo.h 28800 2010-04-27 08:22:32Z vboxsync $ */ /** @file * BiosLogo - The Private BIOS Logo Interface. (DEV) */ /* * Copyright (C) 2006-2007 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. */ #ifndef ___VBox_BiosLogo_h #define ___VBox_BiosLogo_h #ifndef VBOX_PC_BIOS # include # include #endif /** @defgroup grp_bios_logo The Private BIOS Logo Interface. * @remark All this is currently duplicated in logo.c. * @internal * @{ */ /** 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 Biso logo header. */ typedef LOGOHDR *PLOGOHDR; /** 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