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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:49:04 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:49:04 +0000
commit16f504a9dca3fe3b70568f67b7d41241ae485288 (patch)
treec60f36ada0496ba928b7161059ba5ab1ab224f9d /src/VBox/Runtime/common/time/timesupref.cpp
parentInitial commit. (diff)
downloadvirtualbox-upstream.tar.xz
virtualbox-upstream.zip
Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Runtime/common/time/timesupref.cpp')
-rw-r--r--src/VBox/Runtime/common/time/timesupref.cpp318
1 files changed, 318 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/time/timesupref.cpp b/src/VBox/Runtime/common/time/timesupref.cpp
new file mode 100644
index 00000000..dac31f82
--- /dev/null
+++ b/src/VBox/Runtime/common/time/timesupref.cpp
@@ -0,0 +1,318 @@
+/* $Id: timesupref.cpp $ */
+/** @file
+ * IPRT - Time using SUPLib, the C Implementation.
+ */
+
+/*
+ * Copyright (C) 2006-2022 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+#if !defined(IN_GUEST) && !defined(RT_NO_GIP)
+
+
+/*********************************************************************************************************************************
+* Header Files *
+*********************************************************************************************************************************/
+#include <iprt/time.h>
+#include "internal/iprt.h"
+
+#include <iprt/asm.h>
+#include <iprt/asm-math.h>
+#include <iprt/asm-amd64-x86.h>
+#include <iprt/param.h>
+#include <iprt/string.h>
+#include <VBox/sup.h>
+#ifdef IN_RC
+# include <VBox/vmm/vmm.h>
+# include <VBox/vmm/vm.h>
+#endif
+#include "internal/time.h"
+
+
+#define TMPL_MODE_SYNC_INVAR_NO_DELTA 1
+#define TMPL_MODE_SYNC_INVAR_WITH_DELTA 2
+#define TMPL_MODE_ASYNC 3
+
+
+/*
+ * Use the XCHG instruction for some kind of serialization.
+ */
+#define TMPL_READ_FENCE() ASMReadFence()
+
+#undef TMPL_MODE
+#define TMPL_MODE TMPL_MODE_SYNC_INVAR_NO_DELTA
+#undef TMPL_GET_CPU_METHOD
+#define TMPL_GET_CPU_METHOD 0
+#undef rtTimeNanoTSInternalRef
+#define rtTimeNanoTSInternalRef RTTimeNanoTSLegacySyncInvarNoDelta
+#include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLegacySyncInvarNoDelta);
+
+#ifdef IN_RING3
+
+# undef TMPL_MODE
+# define TMPL_MODE TMPL_MODE_SYNC_INVAR_WITH_DELTA
+# undef TMPL_GET_CPU_METHOD
+# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_APIC_ID
+# undef rtTimeNanoTSInternalRef
+# define rtTimeNanoTSInternalRef RTTimeNanoTSLegacySyncInvarWithDeltaUseApicId
+# include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLegacySyncInvarWithDeltaUseApicId);
+
+# undef TMPL_MODE
+# define TMPL_MODE TMPL_MODE_SYNC_INVAR_WITH_DELTA
+# undef TMPL_GET_CPU_METHOD
+# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_APIC_ID_EXT_0B
+# undef rtTimeNanoTSInternalRef
+# define rtTimeNanoTSInternalRef RTTimeNanoTSLegacySyncInvarWithDeltaUseApicIdExt0B
+# include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLegacySyncInvarWithDeltaUseApicIdExt0B);
+
+# undef TMPL_MODE
+# define TMPL_MODE TMPL_MODE_SYNC_INVAR_WITH_DELTA
+# undef TMPL_GET_CPU_METHOD
+# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_APIC_ID_EXT_8000001E
+# undef rtTimeNanoTSInternalRef
+# define rtTimeNanoTSInternalRef RTTimeNanoTSLegacySyncInvarWithDeltaUseApicIdExt8000001E
+# include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLegacySyncInvarWithDeltaUseApicIdExt8000001E);
+
+# undef TMPL_GET_CPU_METHOD
+# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_RDTSCP_MASK_MAX_SET_CPUS
+# undef rtTimeNanoTSInternalRef
+# define rtTimeNanoTSInternalRef RTTimeNanoTSLegacySyncInvarWithDeltaUseRdtscp
+# include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLegacySyncInvarWithDeltaUseRdtscp);
+
+# undef TMPL_GET_CPU_METHOD
+# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_IDTR_LIMIT_MASK_MAX_SET_CPUS
+# undef rtTimeNanoTSInternalRef
+# define rtTimeNanoTSInternalRef RTTimeNanoTSLegacySyncInvarWithDeltaUseIdtrLim
+# include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLegacySyncInvarWithDeltaUseIdtrLim);
+
+# undef TMPL_MODE
+# define TMPL_MODE TMPL_MODE_ASYNC
+# undef TMPL_GET_CPU_METHOD
+# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_APIC_ID
+# undef rtTimeNanoTSInternalRef
+# define rtTimeNanoTSInternalRef RTTimeNanoTSLegacyAsyncUseApicId
+# include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLegacyAsyncUseApicId);
+
+# undef TMPL_MODE
+# define TMPL_MODE TMPL_MODE_ASYNC
+# undef TMPL_GET_CPU_METHOD
+# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_APIC_ID_EXT_0B
+# undef rtTimeNanoTSInternalRef
+# define rtTimeNanoTSInternalRef RTTimeNanoTSLegacyAsyncUseApicIdExt0B
+# include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLegacyAsyncUseApicIdExt0B);
+
+# undef TMPL_MODE
+# define TMPL_MODE TMPL_MODE_ASYNC
+# undef TMPL_GET_CPU_METHOD
+# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_APIC_ID_EXT_8000001E
+# undef rtTimeNanoTSInternalRef
+# define rtTimeNanoTSInternalRef RTTimeNanoTSLegacyAsyncUseApicIdExt8000001E
+# include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLegacyAsyncUseApicIdExt8000001E);
+
+# undef TMPL_GET_CPU_METHOD
+# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_RDTSCP_MASK_MAX_SET_CPUS
+# undef rtTimeNanoTSInternalRef
+# define rtTimeNanoTSInternalRef RTTimeNanoTSLegacyAsyncUseRdtscp
+# include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLegacyAsyncUseRdtscp);
+
+# undef TMPL_GET_CPU_METHOD
+# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_IDTR_LIMIT_MASK_MAX_SET_CPUS
+# undef rtTimeNanoTSInternalRef
+# define rtTimeNanoTSInternalRef RTTimeNanoTSLegacyAsyncUseIdtrLim
+# include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLegacyAsyncUseIdtrLim);
+
+# undef TMPL_GET_CPU_METHOD
+# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_RDTSCP_GROUP_IN_CH_NUMBER_IN_CL
+# undef rtTimeNanoTSInternalRef
+# define rtTimeNanoTSInternalRef RTTimeNanoTSLegacyAsyncUseRdtscpGroupChNumCl
+# include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLegacyAsyncUseRdtscpGroupChNumCl);
+
+#else /* IN_RC || IN_RING0: Disable interrupts and call getter function. */
+
+# undef TMPL_MODE
+# define TMPL_MODE TMPL_MODE_SYNC_INVAR_WITH_DELTA
+# undef TMPL_GET_CPU_METHOD
+# define TMPL_GET_CPU_METHOD UINT32_MAX
+# undef rtTimeNanoTSInternalRef
+# define rtTimeNanoTSInternalRef RTTimeNanoTSLegacySyncInvarWithDelta
+# include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLegacySyncInvarWithDelta);
+
+# undef TMPL_MODE
+# define TMPL_MODE TMPL_MODE_ASYNC
+# undef rtTimeNanoTSInternalRef
+# define rtTimeNanoTSInternalRef RTTimeNanoTSLegacyAsync
+# include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLegacyAsync);
+
+#endif
+
+
+/*
+ * Use LFENCE for load serialization.
+ */
+#undef TMPL_READ_FENCE
+#define TMPL_READ_FENCE() ASMReadFenceSSE2()
+
+#undef TMPL_MODE
+#define TMPL_MODE TMPL_MODE_SYNC_INVAR_NO_DELTA
+#undef TMPL_GET_CPU_METHOD
+#define TMPL_GET_CPU_METHOD 0
+#undef rtTimeNanoTSInternalRef
+#define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceSyncInvarNoDelta
+#include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLFenceSyncInvarNoDelta);
+
+#ifdef IN_RING3
+
+# undef TMPL_MODE
+# define TMPL_MODE TMPL_MODE_SYNC_INVAR_WITH_DELTA
+# undef TMPL_GET_CPU_METHOD
+# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_APIC_ID
+# undef rtTimeNanoTSInternalRef
+# define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceSyncInvarWithDeltaUseApicId
+# include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLFenceSyncInvarWithDeltaUseApicId);
+
+# undef TMPL_MODE
+# define TMPL_MODE TMPL_MODE_SYNC_INVAR_WITH_DELTA
+# undef TMPL_GET_CPU_METHOD
+# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_APIC_ID_EXT_0B
+# undef rtTimeNanoTSInternalRef
+# define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceSyncInvarWithDeltaUseApicIdExt0B
+# include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLFenceSyncInvarWithDeltaUseApicIdExt0B);
+
+# undef TMPL_MODE
+# define TMPL_MODE TMPL_MODE_SYNC_INVAR_WITH_DELTA
+# undef TMPL_GET_CPU_METHOD
+# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_APIC_ID_EXT_8000001E
+# undef rtTimeNanoTSInternalRef
+# define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceSyncInvarWithDeltaUseApicIdExt8000001E
+# include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLFenceSyncInvarWithDeltaUseApicIdExt8000001E);
+
+# undef TMPL_GET_CPU_METHOD
+# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_RDTSCP_MASK_MAX_SET_CPUS
+# undef rtTimeNanoTSInternalRef
+# define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceSyncInvarWithDeltaUseRdtscp
+# include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLFenceSyncInvarWithDeltaUseRdtscp);
+
+# undef TMPL_GET_CPU_METHOD
+# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_IDTR_LIMIT_MASK_MAX_SET_CPUS
+# undef rtTimeNanoTSInternalRef
+# define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceSyncInvarWithDeltaUseIdtrLim
+# include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLFenceSyncInvarWithDeltaUseIdtrLim);
+
+# undef TMPL_MODE
+# define TMPL_MODE TMPL_MODE_ASYNC
+# undef TMPL_GET_CPU_METHOD
+# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_APIC_ID
+# undef rtTimeNanoTSInternalRef
+# define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceAsyncUseApicId
+# include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLFenceAsyncUseApicId);
+
+# undef TMPL_MODE
+# define TMPL_MODE TMPL_MODE_ASYNC
+# undef TMPL_GET_CPU_METHOD
+# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_APIC_ID_EXT_0B
+# undef rtTimeNanoTSInternalRef
+# define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceAsyncUseApicIdExt0B
+# include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLFenceAsyncUseApicIdExt0B);
+
+# undef TMPL_MODE
+# define TMPL_MODE TMPL_MODE_ASYNC
+# undef TMPL_GET_CPU_METHOD
+# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_APIC_ID_EXT_8000001E
+# undef rtTimeNanoTSInternalRef
+# define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceAsyncUseApicIdExt8000001E
+# include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLFenceAsyncUseApicIdExt8000001E);
+
+# undef TMPL_GET_CPU_METHOD
+# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_RDTSCP_MASK_MAX_SET_CPUS
+# undef rtTimeNanoTSInternalRef
+# define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceAsyncUseRdtscp
+# include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLFenceAsyncUseRdtscp);
+
+# undef TMPL_GET_CPU_METHOD
+# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_IDTR_LIMIT_MASK_MAX_SET_CPUS
+# undef rtTimeNanoTSInternalRef
+# define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceAsyncUseIdtrLim
+# include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLFenceAsyncUseIdtrLim);
+
+# undef TMPL_GET_CPU_METHOD
+# define TMPL_GET_CPU_METHOD SUPGIPGETCPU_RDTSCP_GROUP_IN_CH_NUMBER_IN_CL
+# undef rtTimeNanoTSInternalRef
+# define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceAsyncUseRdtscpGroupChNumCl
+# include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLFenceAsyncUseRdtscpGroupChNumCl);
+
+#else /* IN_RC || IN_RING0: Disable interrupts and call getter function. */
+
+# undef TMPL_MODE
+# define TMPL_MODE TMPL_MODE_SYNC_INVAR_WITH_DELTA
+# undef TMPL_GET_CPU_METHOD
+# define TMPL_GET_CPU_METHOD UINT32_MAX
+# undef rtTimeNanoTSInternalRef
+# define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceSyncInvarWithDelta
+# include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLFenceSyncInvarWithDelta);
+
+# undef TMPL_MODE
+# define TMPL_MODE TMPL_MODE_ASYNC
+# undef rtTimeNanoTSInternalRef
+# define rtTimeNanoTSInternalRef RTTimeNanoTSLFenceAsync
+# include "timesupref.h"
+RT_EXPORT_SYMBOL(RTTimeNanoTSLFenceAsync);
+
+#endif
+
+
+#endif /* !IN_GUEST && !RT_NO_GIP */
+