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