timesupref.cpp revision dea2c017e104e2e58947563bc94422d02477f611
5b281ba489ca18f0380d7efc7a5108b606cce449vboxsync * IPRT - Time using SUPLib, the C Implementation.
443b47b0e450919f5012681d9ec4cdccc1ebab08vboxsync * Copyright (C) 2006-2015 Oracle Corporation
1e40f57c72c881067b0314f898e1004211bb7650vboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
1e40f57c72c881067b0314f898e1004211bb7650vboxsync * available from http://www.virtualbox.org. This file is free software;
1e40f57c72c881067b0314f898e1004211bb7650vboxsync * you can redistribute it and/or modify it under the terms of the GNU
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * General Public License (GPL) as published by the Free Software
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * The contents of this file may alternatively be used under the terms
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * of the Common Development and Distribution License Version 1.0
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * VirtualBox OSE distribution, in which case the provisions of the
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * CDDL are applicable instead of those of the GPL.
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * You may elect to license modified versions of this file under the
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * terms and conditions of either the GPL or the CDDL or both.
1e40f57c72c881067b0314f898e1004211bb7650vboxsync/*******************************************************************************
1e40f57c72c881067b0314f898e1004211bb7650vboxsync* Header Files *
1e40f57c72c881067b0314f898e1004211bb7650vboxsync*******************************************************************************/
dea2c017e104e2e58947563bc94422d02477f611vboxsync * Use the XCHG instruction for some kind of serialization.
dea2c017e104e2e58947563bc94422d02477f611vboxsync#define rtTimeNanoTSInternalRef RTTimeNanoTSLegacySyncInvarNoDelta
dea2c017e104e2e58947563bc94422d02477f611vboxsyncRT_EXPORT_SYMBOL(RTTimeNanoTSLegacySyncInvarNoDelta);
dea2c017e104e2e58947563bc94422d02477f611vboxsync# define rtTimeNanoTSInternalRef RTTimeNanoTSLegacySyncInvarWithDeltaUseApicId
dea2c017e104e2e58947563bc94422d02477f611vboxsyncRT_EXPORT_SYMBOL(RTTimeNanoTSLegacySyncInvarWithDeltaUseApicId);
dea2c017e104e2e58947563bc94422d02477f611vboxsync# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_RDTSCP_MASK_MAX_SET_CPUS
dea2c017e104e2e58947563bc94422d02477f611vboxsync# define rtTimeNanoTSInternalRef RTTimeNanoTSLegacySyncInvarWithDeltaUseRdtscp
dea2c017e104e2e58947563bc94422d02477f611vboxsyncRT_EXPORT_SYMBOL(RTTimeNanoTSLegacySyncInvarWithDeltaUseRdtscp);
dea2c017e104e2e58947563bc94422d02477f611vboxsync# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_IDTR_LIMIT_MASK_MAX_SET_CPUS
dea2c017e104e2e58947563bc94422d02477f611vboxsync# define rtTimeNanoTSInternalRef RTTimeNanoTSLegacySyncInvarWithDeltaUseIdtrLim
dea2c017e104e2e58947563bc94422d02477f611vboxsyncRT_EXPORT_SYMBOL(RTTimeNanoTSLegacySyncInvarWithDeltaUseIdtrLim);
dea2c017e104e2e58947563bc94422d02477f611vboxsync# define rtTimeNanoTSInternalRef RTTimeNanoTSLegacyAsyncUseApicId
dea2c017e104e2e58947563bc94422d02477f611vboxsync# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_RDTSCP_MASK_MAX_SET_CPUS
dea2c017e104e2e58947563bc94422d02477f611vboxsync# define rtTimeNanoTSInternalRef RTTimeNanoTSLegacyAsyncUseRdtscp
dea2c017e104e2e58947563bc94422d02477f611vboxsync# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_IDTR_LIMIT_MASK_MAX_SET_CPUS
dea2c017e104e2e58947563bc94422d02477f611vboxsync# define rtTimeNanoTSInternalRef RTTimeNanoTSLegacyAsyncUseIdtrLim
dea2c017e104e2e58947563bc94422d02477f611vboxsyncRT_EXPORT_SYMBOL(RTTimeNanoTSLegacyAsyncUseIdtrLim);
dea2c017e104e2e58947563bc94422d02477f611vboxsync#else /* IN_RC || IN_RING0: Disable interrupts and call getter function. */
dea2c017e104e2e58947563bc94422d02477f611vboxsync# define rtTimeNanoTSInternalRef RTTimeNanoTSLegacySyncInvarWithDelta
dea2c017e104e2e58947563bc94422d02477f611vboxsyncRT_EXPORT_SYMBOL(RTTimeNanoTSLegacySyncInvarWithDelta);
dea2c017e104e2e58947563bc94422d02477f611vboxsync# define rtTimeNanoTSInternalRef RTTimeNanoTSLegacyAsync
1e40f57c72c881067b0314f898e1004211bb7650vboxsync * Use LFENCE for load serialization.
dea2c017e104e2e58947563bc94422d02477f611vboxsync#define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceSyncInvarNoDelta
dea2c017e104e2e58947563bc94422d02477f611vboxsyncRT_EXPORT_SYMBOL(RTTimeNanoTSLFenceSyncInvarNoDelta);
dea2c017e104e2e58947563bc94422d02477f611vboxsync# define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceSyncInvarWithDeltaUseApicId
dea2c017e104e2e58947563bc94422d02477f611vboxsyncRT_EXPORT_SYMBOL(RTTimeNanoTSLFenceSyncInvarWithDeltaUseApicId);
dea2c017e104e2e58947563bc94422d02477f611vboxsync# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_RDTSCP_MASK_MAX_SET_CPUS
dea2c017e104e2e58947563bc94422d02477f611vboxsync# define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceSyncInvarWithDeltaUseRdtscp
dea2c017e104e2e58947563bc94422d02477f611vboxsyncRT_EXPORT_SYMBOL(RTTimeNanoTSLFenceSyncInvarWithDeltaUseRdtscp);
dea2c017e104e2e58947563bc94422d02477f611vboxsync# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_IDTR_LIMIT_MASK_MAX_SET_CPUS
dea2c017e104e2e58947563bc94422d02477f611vboxsync# define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceSyncInvarWithDeltaUseIdtrLim
dea2c017e104e2e58947563bc94422d02477f611vboxsyncRT_EXPORT_SYMBOL(RTTimeNanoTSLFenceSyncInvarWithDeltaUseIdtrLim);
dea2c017e104e2e58947563bc94422d02477f611vboxsync# define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceAsyncUseApicId
dea2c017e104e2e58947563bc94422d02477f611vboxsync# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_RDTSCP_MASK_MAX_SET_CPUS
dea2c017e104e2e58947563bc94422d02477f611vboxsync# define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceAsyncUseRdtscp
dea2c017e104e2e58947563bc94422d02477f611vboxsync# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_IDTR_LIMIT_MASK_MAX_SET_CPUS
dea2c017e104e2e58947563bc94422d02477f611vboxsync# define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceAsyncUseIdtrLim
dea2c017e104e2e58947563bc94422d02477f611vboxsyncRT_EXPORT_SYMBOL(RTTimeNanoTSLFenceAsyncUseIdtrLim);
dea2c017e104e2e58947563bc94422d02477f611vboxsync#else /* IN_RC || IN_RING0: Disable interrupts and call getter function. */
dea2c017e104e2e58947563bc94422d02477f611vboxsync# define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceSyncInvarWithDelta
dea2c017e104e2e58947563bc94422d02477f611vboxsyncRT_EXPORT_SYMBOL(RTTimeNanoTSLFenceSyncInvarWithDelta);
dea2c017e104e2e58947563bc94422d02477f611vboxsync# define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceAsync
d460750520be710f3920f12315652fb0ec19ef8fvboxsync#endif /* !IN_GUEST && !RT_NO_GIP */