VirtualBox

source: vbox/trunk/include/VBox/param.h@ 18263

Last change on this file since 18263 was 18263, checked in by vboxsync, 16 years ago

Main,VBox/param.h: Move the hard RAM limit out of the schema.

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  • Property svn:keywords set to Author Date Id Revision
File size: 3.1 KB
Line 
1/** @file
2 * VirtualBox Parameter Definitions.
3 */
4
5/*
6 * Copyright (C) 2006-2007 Sun Microsystems, Inc.
7 *
8 * This file is part of VirtualBox Open Source Edition (OSE), as
9 * available from http://www.virtualbox.org. This file is free software;
10 * you can redistribute it and/or modify it under the terms of the GNU
11 * General Public License (GPL) as published by the Free Software
12 * Foundation, in version 2 as it comes in the "COPYING" file of the
13 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15 *
16 * The contents of this file may alternatively be used under the terms
17 * of the Common Development and Distribution License Version 1.0
18 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
19 * VirtualBox OSE distribution, in which case the provisions of the
20 * CDDL are applicable instead of those of the GPL.
21 *
22 * You may elect to license modified versions of this file under the
23 * terms and conditions of either the GPL or the CDDL or both.
24 *
25 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
26 * Clara, CA 95054 USA or visit http://www.sun.com if you need
27 * additional information or have any questions.
28 */
29
30#ifndef ___VBox_param_h
31#define ___VBox_param_h
32
33#include <iprt/param.h>
34#include <iprt/cdefs.h>
35
36
37/** @defgroup grp_vbox_param VBox Parameter Definition
38 * @{
39 */
40
41/** The maximum number of pages that can be allocated and mapped
42 * by various MM, PGM and SUP APIs. */
43#define VBOX_MAX_ALLOC_PAGE_COUNT (128U * _1M / PAGE_SIZE)
44
45
46/** @defgroup grp_vbox_param_mm Memory Monitor Parameters
47 * @ingroup grp_vbox_param
48 * @{
49 */
50
51/** Initial address of Hypervisor Memory Area.
52 * MUST BE PAGE TABLE ALIGNED! */
53#define MM_HYPER_AREA_ADDRESS UINT32_C(0xa0000000)
54
55/** The max size of the hypervisor memory area. */
56#define MM_HYPER_AREA_MAX_SIZE (40U * _1M) /**< @todo Readjust when floating RAMRANGEs have been implemented. Used to be 20 * _1MB */
57
58/** Maximum number of bytes we can dynamically map into the hypervisor region.
59 * This must be a power of 2 number of pages!
60 */
61#define MM_HYPER_DYNAMIC_SIZE (16U * PAGE_SIZE)
62
63/** The minimum guest RAM size in bytes. */
64#define MM_RAM_MIN UINT32_C(0x00400000)
65/** The maximum guest RAM size in bytes. */
66#if HC_ARCH_BITS == 64 && defined(VBOX_WITH_NEW_PHYS_CODE)
67# define MM_RAM_MAX UINT64_C(0x400000000)
68#else
69# define MM_RAM_MAX UINT64_C(0x0E0000000)
70#endif
71/** The minimum guest RAM size in MBs. */
72#define MM_RAM_MIN_IN_MB UINT32_C(4)
73/** The maximum guest RAM size in MBs. */
74#if HC_ARCH_BITS == 64 && defined(VBOX_WITH_NEW_PHYS_CODE)
75# define MM_RAM_MAX_IN_MB UINT32_C(16384)
76#else
77# define MM_RAM_MAX_IN_MB UINT32_C(3584)
78#endif
79/** The default size of the below 4GB RAM hole. */
80#define MM_RAM_HOLE_SIZE_DEFAULT (512U * _1M)
81
82/** @} */
83
84
85/** @defgroup grp_vbox_param_vmm VMM Parameters
86 * @ingroup grp_vbox_param
87 * @{
88 */
89
90/** VMM stack size. */
91#define VMM_STACK_SIZE 8192U
92
93/** @} */
94
95
96/** @} */
97
98#endif
99
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