1 files changed, 153 insertions, 0 deletions
diff --git a/src/VBox/VMM/VMMAll/NEMAll.cpp b/src/VBox/VMM/VMMAll/NEMAll.cpp
new file mode 100644
index 00000000..62e27085
--- /dev/null
+++ b/src/VBox/VMM/VMMAll/NEMAll.cpp
@@ -0,0 +1,153 @@
+/* $Id: NEMAll.cpp $ */
+/** @file
+ * NEM - Native execution manager, R0 and R3 context code.
+ */
+
+/*
+ * Copyright (C) 2018-2020 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.
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#define LOG_GROUP LOG_GROUP_NEM
+#include <VBox/vmm/nem.h>
+#include "NEMInternal.h"
+#include <VBox/vmm/vmcc.h>
+#include <VBox/err.h>
+
+
+/**
+ * Checks if this VM is in NEM mode and is long-mode capable.
+ *
+ * Use VMR3IsLongModeAllowed() instead of this, when possible.
+ *
+ * @returns true if long mode is allowed, false otherwise.
+ * @param   pVM         The cross context VM structure.
+ * @sa      VMR3IsLongModeAllowed, HMIsLongModeAllowed
+ */
+VMM_INT_DECL(bool) NEMHCIsLongModeAllowed(PVMCC pVM)
+{
+    return pVM->nem.s.fAllow64BitGuests && VM_IS_NEM_ENABLED(pVM);
+}
+
+
+/**
+ * Physical access handler registration notification.
+ *
+ * @param   pVM         The cross context VM structure.
+ * @param   enmKind     The kind of access handler.
+ * @param   GCPhys      Start of the access handling range.
+ * @param   cb          Length of the access handling range.
+ *
+ * @note    Called while holding down the PGM lock.
+ */
+VMM_INT_DECL(void) NEMHCNotifyHandlerPhysicalRegister(PVMCC pVM, PGMPHYSHANDLERKIND enmKind, RTGCPHYS GCPhys, RTGCPHYS cb)
+{
+#ifdef VBOX_WITH_NATIVE_NEM
+    if (VM_IS_NEM_ENABLED(pVM))
+        nemHCNativeNotifyHandlerPhysicalRegister(pVM, enmKind, GCPhys, cb);
+#else
+    RT_NOREF(pVM, enmKind, GCPhys, cb);
+#endif
+}
+
+
+VMM_INT_DECL(void) NEMHCNotifyHandlerPhysicalDeregister(PVMCC pVM, PGMPHYSHANDLERKIND enmKind, RTGCPHYS GCPhys, RTGCPHYS cb,
+                                                        int fRestoreAsRAM, bool fRestoreAsRAM2)
+{
+#ifdef VBOX_WITH_NATIVE_NEM
+    if (VM_IS_NEM_ENABLED(pVM))
+        nemHCNativeNotifyHandlerPhysicalDeregister(pVM, enmKind, GCPhys, cb, fRestoreAsRAM, fRestoreAsRAM2);
+#else
+    RT_NOREF(pVM, enmKind, GCPhys, cb, fRestoreAsRAM, fRestoreAsRAM2);
+#endif
+}
+
+
+VMM_INT_DECL(void) NEMHCNotifyHandlerPhysicalModify(PVMCC pVM, PGMPHYSHANDLERKIND enmKind, RTGCPHYS GCPhysOld,
+                                                    RTGCPHYS GCPhysNew, RTGCPHYS cb, bool fRestoreAsRAM)
+{
+#ifdef VBOX_WITH_NATIVE_NEM
+    if (VM_IS_NEM_ENABLED(pVM))
+        nemHCNativeNotifyHandlerPhysicalModify(pVM, enmKind, GCPhysOld, GCPhysNew, cb, fRestoreAsRAM);
+#else
+    RT_NOREF(pVM, enmKind, GCPhysOld, GCPhysNew, cb, fRestoreAsRAM);
+#endif
+}
+
+
+VMM_INT_DECL(int)  NEMHCNotifyPhysPageAllocated(PVMCC pVM, RTGCPHYS GCPhys, RTHCPHYS HCPhys, uint32_t fPageProt,
+                                                PGMPAGETYPE enmType, uint8_t *pu2State)
+{
+    Assert(VM_IS_NEM_ENABLED(pVM));
+#ifdef VBOX_WITH_NATIVE_NEM
+    return nemHCNativeNotifyPhysPageAllocated(pVM, GCPhys, HCPhys, fPageProt, enmType, pu2State);
+#else
+    RT_NOREF(pVM, GCPhys, HCPhys, fPageProt, enmType, pu2State);
+    return VINF_SUCCESS;
+#endif
+}
+
+
+VMM_INT_DECL(void) NEMHCNotifyPhysPageProtChanged(PVMCC pVM, RTGCPHYS GCPhys, RTHCPHYS HCPhys, uint32_t fPageProt,
+                                                  PGMPAGETYPE enmType, uint8_t *pu2State)
+{
+    Assert(VM_IS_NEM_ENABLED(pVM));
+#ifdef VBOX_WITH_NATIVE_NEM
+    nemHCNativeNotifyPhysPageProtChanged(pVM, GCPhys, HCPhys, fPageProt, enmType, pu2State);
+#else
+    RT_NOREF(pVM, GCPhys, HCPhys, fPageProt, enmType, pu2State);
+#endif
+}
+
+
+VMM_INT_DECL(void) NEMHCNotifyPhysPageChanged(PVMCC pVM, RTGCPHYS GCPhys, RTHCPHYS HCPhysPrev, RTHCPHYS HCPhysNew,
+                                              uint32_t fPageProt, PGMPAGETYPE enmType, uint8_t *pu2State)
+{
+    Assert(VM_IS_NEM_ENABLED(pVM));
+#ifdef VBOX_WITH_NATIVE_NEM
+    nemHCNativeNotifyPhysPageChanged(pVM, GCPhys, HCPhysPrev, HCPhysNew, fPageProt, enmType, pu2State);
+#else
+    RT_NOREF(pVM, GCPhys, HCPhysPrev, HCPhysNew, fPageProt, enmType, pu2State);
+#endif
+}
+
+
+#ifndef VBOX_WITH_NATIVE_NEM
+VMM_INT_DECL(int) NEMImportStateOnDemand(PVMCPUCC pVCpu, uint64_t fWhat)
+{
+    RT_NOREF(pVCpu, fWhat);
+    return VERR_NEM_IPE_9;
+}
+#endif
+
+
+#ifndef VBOX_WITH_NATIVE_NEM
+VMM_INT_DECL(int) NEMHCQueryCpuTick(PVMCPUCC pVCpu, uint64_t *pcTicks, uint32_t *puAux)
+{
+    RT_NOREF(pVCpu, pcTicks, puAux);
+    AssertFailed();
+    return VERR_NEM_IPE_9;
+}
+#endif
+
+
+#ifndef VBOX_WITH_NATIVE_NEM
+VMM_INT_DECL(int) NEMHCResumeCpuTickOnAll(PVMCC pVM, PVMCPUCC pVCpu, uint64_t uPausedTscValue)
+{
+    RT_NOREF(pVM, pVCpu, uPausedTscValue);
+    AssertFailed();
+    return VERR_NEM_IPE_9;
+}
+#endif
+