Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 236 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..821ac489
--- /dev/null
+++ b/src/VBox/Runtime/common/time/timesupref.cpp
@@ -0,0 +1,236 @@
+/* $Id: timesupref.cpp $ */
+/** @file
+ * IPRT - Time using SUPLib, the C Implementation.
+ */
+
+/*
+ * Copyright (C) 2006-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE 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.
+ */
+
+#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_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_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_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_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 */
+