| 1 | /* $Id: timesupref.cpp 54202 2015-02-13 17:13:44Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * IPRT - Time using SUPLib, the C Implementation.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2006-2015 Oracle Corporation
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.215389.xyz. 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 |
|
|---|
| 27 | #if !defined(IN_GUEST) && !defined(RT_NO_GIP)
|
|---|
| 28 |
|
|---|
| 29 | /*******************************************************************************
|
|---|
| 30 | * Header Files *
|
|---|
| 31 | *******************************************************************************/
|
|---|
| 32 | #include <iprt/time.h>
|
|---|
| 33 | #include "internal/iprt.h"
|
|---|
| 34 |
|
|---|
| 35 | #include <iprt/asm.h>
|
|---|
| 36 | #include <iprt/asm-math.h>
|
|---|
| 37 | #include <iprt/asm-amd64-x86.h>
|
|---|
| 38 | #include <VBox/sup.h>
|
|---|
| 39 | #include "internal/time.h"
|
|---|
| 40 |
|
|---|
| 41 |
|
|---|
| 42 | #define GIP_MODE_SYNC_NO_DELTA 1
|
|---|
| 43 | #define GIP_MODE_SYNC_WITH_DELTA 2
|
|---|
| 44 | #define GIP_MODE_ASYNC 3
|
|---|
| 45 | #define GIP_MODE_INVARIANT_NO_DELTA 4
|
|---|
| 46 | #define GIP_MODE_INVARIANT_WITH_DELTA 5
|
|---|
| 47 | #define IS_GIP_MODE_WITH_DELTA(a_enmMode) \
|
|---|
| 48 | ((a_enmMode) == GIP_MODE_SYNC_WITH_DELTA || (a_enmMode) == GIP_MODE_INVARIANT_WITH_DELTA)
|
|---|
| 49 |
|
|---|
| 50 |
|
|---|
| 51 | /*
|
|---|
| 52 | * Use the CPUID instruction for some kind of serialization.
|
|---|
| 53 | */
|
|---|
| 54 | #define GIP_MODE GIP_MODE_SYNC_NO_DELTA
|
|---|
| 55 | #undef USE_LFENCE
|
|---|
| 56 | #define NEED_TRANSACTION_ID
|
|---|
| 57 | #define rtTimeNanoTSInternalRef RTTimeNanoTSLegacySyncNoDelta
|
|---|
| 58 | #include "timesupref.h"
|
|---|
| 59 | RT_EXPORT_SYMBOL(RTTimeNanoTSLegacySyncNoDelta);
|
|---|
| 60 |
|
|---|
| 61 | #undef GIP_MODE
|
|---|
| 62 | #define GIP_MODE GIP_MODE_SYNC_NO_DELTA
|
|---|
| 63 | #undef rtTimeNanoTSInternalRef
|
|---|
| 64 | #define rtTimeNanoTSInternalRef RTTimeNanoTSLegacySyncWithDelta
|
|---|
| 65 | #include "timesupref.h"
|
|---|
| 66 | RT_EXPORT_SYMBOL(RTTimeNanoTSLegacySyncWithDelta);
|
|---|
| 67 |
|
|---|
| 68 | #undef GIP_MODE
|
|---|
| 69 | #define GIP_MODE GIP_MODE_ASYNC
|
|---|
| 70 | #ifdef IN_RC
|
|---|
| 71 | # undef NEED_TRANSACTION_ID
|
|---|
| 72 | #endif
|
|---|
| 73 | #undef rtTimeNanoTSInternalRef
|
|---|
| 74 | #define rtTimeNanoTSInternalRef RTTimeNanoTSLegacyAsync
|
|---|
| 75 | #include "timesupref.h"
|
|---|
| 76 | RT_EXPORT_SYMBOL(RTTimeNanoTSLegacyAsync);
|
|---|
| 77 |
|
|---|
| 78 | #undef GIP_MODE
|
|---|
| 79 | #define GIP_MODE GIP_MODE_INVARIANT_NO_DELTA
|
|---|
| 80 | #undef NEED_TRANSACTION_ID
|
|---|
| 81 | #define NEED_TRANSACTION_ID
|
|---|
| 82 | #undef rtTimeNanoTSInternalRef
|
|---|
| 83 | #define rtTimeNanoTSInternalRef RTTimeNanoTSLegacyInvariantNoDelta
|
|---|
| 84 | #include "timesupref.h"
|
|---|
| 85 | RT_EXPORT_SYMBOL(RTTimeNanoTSLegacyInvariantNoDelta);
|
|---|
| 86 |
|
|---|
| 87 | #undef GIP_MODE
|
|---|
| 88 | #define GIP_MODE GIP_MODE_INVARIANT_WITH_DELTA
|
|---|
| 89 | #undef rtTimeNanoTSInternalRef
|
|---|
| 90 | #define rtTimeNanoTSInternalRef RTTimeNanoTSLegacyInvariantWithDelta
|
|---|
| 91 | #include "timesupref.h"
|
|---|
| 92 | RT_EXPORT_SYMBOL(RTTimeNanoTSLegacyInvariantWithDelta);
|
|---|
| 93 |
|
|---|
| 94 |
|
|---|
| 95 | /*
|
|---|
| 96 | * Use LFENCE for load serialization.
|
|---|
| 97 | */
|
|---|
| 98 | #undef GIP_MODE
|
|---|
| 99 | #define GIP_MODE GIP_MODE_SYNC_NO_DELTA
|
|---|
| 100 | #define USE_LFENCE
|
|---|
| 101 | #undef NEED_TRANSACTION_ID
|
|---|
| 102 | #define NEED_TRANSACTION_ID
|
|---|
| 103 | #undef rtTimeNanoTSInternalRef
|
|---|
| 104 | #define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceSyncNoDelta
|
|---|
| 105 | #include "timesupref.h"
|
|---|
| 106 | RT_EXPORT_SYMBOL(RTTimeNanoTSLFenceSyncNoDelta);
|
|---|
| 107 |
|
|---|
| 108 | #undef GIP_MODE
|
|---|
| 109 | #define GIP_MODE GIP_MODE_SYNC_WITH_DELTA
|
|---|
| 110 | #undef rtTimeNanoTSInternalRef
|
|---|
| 111 | #define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceSyncWithDelta
|
|---|
| 112 | #include "timesupref.h"
|
|---|
| 113 | RT_EXPORT_SYMBOL(RTTimeNanoTSLFenceSyncWithDelta);
|
|---|
| 114 |
|
|---|
| 115 | #undef GIP_MODE
|
|---|
| 116 | #define GIP_MODE GIP_MODE_ASYNC
|
|---|
| 117 | #ifdef IN_RC
|
|---|
| 118 | # undef NEED_TRANSACTION_ID
|
|---|
| 119 | #endif
|
|---|
| 120 | #undef rtTimeNanoTSInternalRef
|
|---|
| 121 | #define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceAsync
|
|---|
| 122 | #include "timesupref.h"
|
|---|
| 123 | RT_EXPORT_SYMBOL(RTTimeNanoTSLFenceAsync);
|
|---|
| 124 |
|
|---|
| 125 | #undef GIP_MODE
|
|---|
| 126 | #define GIP_MODE GIP_MODE_INVARIANT_NO_DELTA
|
|---|
| 127 | #undef NEED_TRANSACTION_ID
|
|---|
| 128 | #define NEED_TRANSACTION_ID
|
|---|
| 129 | #undef rtTimeNanoTSInternalRef
|
|---|
| 130 | #define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceInvariantNoDelta
|
|---|
| 131 | #include "timesupref.h"
|
|---|
| 132 | RT_EXPORT_SYMBOL(RTTimeNanoTSLFenceInvariantNoDelta);
|
|---|
| 133 |
|
|---|
| 134 | #undef GIP_MODE
|
|---|
| 135 | #define GIP_MODE GIP_MODE_INVARIANT_WITH_DELTA
|
|---|
| 136 | #undef rtTimeNanoTSInternalRef
|
|---|
| 137 | #define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceInvariantWithDelta
|
|---|
| 138 | #include "timesupref.h"
|
|---|
| 139 | RT_EXPORT_SYMBOL(RTTimeNanoTSLFenceInvariantWithDelta);
|
|---|
| 140 |
|
|---|
| 141 |
|
|---|
| 142 | #endif /* !IN_GUEST && !RT_NO_GIP */
|
|---|
| 143 |
|
|---|
