root/trunk/include/VBox/bioslogo.h
| Revision 8155, 2.7 kB (checked in by vboxsync, 7 months ago) | |
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| 1 | /* $Id$ */ |
| 2 | /** @file |
| 3 | * BiosLogo - The Private BIOS Logo Interface. |
| 4 | */ |
| 5 | |
| 6 | /* |
| 7 | * Copyright (C) 2006-2007 Sun Microsystems, Inc. |
| 8 | * |
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as |
| 10 | * available from http://www.virtualbox.org. This file is free software; |
| 11 | * you can redistribute it and/or modify it under the terms of the GNU |
| 12 | * General Public License (GPL) as published by the Free Software |
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the |
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the |
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. |
| 16 | * |
| 17 | * The contents of this file may alternatively be used under the terms |
| 18 | * of the Common Development and Distribution License Version 1.0 |
| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the |
| 20 | * VirtualBox OSE distribution, in which case the provisions of the |
| 21 | * CDDL are applicable instead of those of the GPL. |
| 22 | * |
| 23 | * You may elect to license modified versions of this file under the |
| 24 | * terms and conditions of either the GPL or the CDDL or both. |
| 25 | * |
| 26 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa |
| 27 | * Clara, CA 95054 USA or visit http://www.sun.com if you need |
| 28 | * additional information or have any questions. |
| 29 | */ |
| 30 | |
| 31 | #ifndef ___VBox_BiosLogo_h |
| 32 | #define ___VBox_BiosLogo_h |
| 33 | |
| 34 | #ifndef VBOX_PC_BIOS |
| 35 | # include <iprt/types.h> |
| 36 | # include <iprt/assert.h> |
| 37 | #endif |
| 38 | |
| 39 | /** @defgroup grp_bios_logo The Private BIOS Logo Interface. |
| 40 | * @remark All this is currently duplicated in logo.c. |
| 41 | * @internal |
| 42 | * @{ |
| 43 | */ |
| 44 | |
| 45 | /** The extra port which is used to show the BIOS logo. */ |
| 46 | #define LOGO_IO_PORT 0x3b8 |
| 47 | |
| 48 | /** The BIOS logo fade in/fade out steps. */ |
| 49 | #define LOGO_SHOW_STEPS 16 |
| 50 | |
| 51 | /** @name The BIOS logo commands. |
| 52 | * @{ |
| 53 | */ |
| 54 | #define LOGO_CMD_NOP 0 |
| 55 | #define LOGO_CMD_SET_OFFSET 0x100 |
| 56 | #define LOGO_CMD_SHOW_BMP 0x200 |
| 57 | /** @} */ |
| 58 | |
| 59 | /** |
| 60 | * PC Bios logo data structure. |
| 61 | */ |
| 62 | typedef struct LOGOHDR |
| 63 | { |
| 64 | /** Signature (LOGO_HDR_MAGIC/0x66BB). */ |
| 65 | uint16_t u16Signature; |
| 66 | /** Logo time (msec). */ |
| 67 | uint16_t u16LogoMillies; |
| 68 | /** Fade in - boolean. */ |
| 69 | uint8_t fu8FadeIn; |
| 70 | /** Fade out - boolean. */ |
| 71 | uint8_t fu8FadeOut; |
| 72 | /** Show setup - boolean. */ |
| 73 | uint8_t fu8ShowBootMenu; |
| 74 | /** Reserved / padding. */ |
| 75 | uint8_t u8Reserved; |
| 76 | /** Logo file size. */ |
| 77 | uint32_t cbLogo; |
| 78 | } LOGOHDR; |
| 79 | #ifndef VBOX_PC_BIOS |
| 80 | AssertCompileSize(LOGOHDR, 12); |
| 81 | #endif |
| 82 | /** Pointer to a PC Biso logo header. */ |
| 83 | typedef LOGOHDR *PLOGOHDR; |
| 84 | |
| 85 | /** The value of the LOGOHDR::u16Signature field. */ |
| 86 | #define LOGO_HDR_MAGIC 0x66BB |
| 87 | |
| 88 | /** The value which will switch you the default logo. */ |
| 89 | #define LOGO_DEFAULT_LOGO 0xFFFF |
| 90 | |
| 91 | /** @} */ |
| 92 | |
| 93 | #endif |
| 94 |
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