1 files changed, 50 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/UefiCpuPkg/Library/SmmCpuFeaturesLib/StandaloneMmCpuFeaturesLib.c b/src/VBox/Devices/EFI/Firmware/UefiCpuPkg/Library/SmmCpuFeaturesLib/StandaloneMmCpuFeaturesLib.c
new file mode 100644
index 00000000..ea985200
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/UefiCpuPkg/Library/SmmCpuFeaturesLib/StandaloneMmCpuFeaturesLib.c
@@ -0,0 +1,50 @@
+/** @file
+Standalone MM CPU specific programming.
+
+Copyright (c) 2010 - 2019, Intel Corporation. All rights reserved.<BR>
+Copyright (c) Microsoft Corporation.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <PiMm.h>
+#include <Library/PcdLib.h>
+#include "CpuFeaturesLib.h"
+
+/**
+  Gets the maximum number of logical processors from the PCD PcdCpuMaxLogicalProcessorNumber.
+
+  This access is abstracted from the PCD services to enforce that the PCD be
+  FixedAtBuild in the Standalone MM build of this driver.
+
+  @return  The value of PcdCpuMaxLogicalProcessorNumber.
+
+**/
+UINT32
+GetCpuMaxLogicalProcessorNumber (
+  VOID
+  )
+{
+  return FixedPcdGet32 (PcdCpuMaxLogicalProcessorNumber);
+}
+
+/**
+  The Standalone MM library constructor.
+
+  @param[in] ImageHandle  Image handle of this driver.
+  @param[in] SystemTable  A Pointer to the EFI System Table.
+
+  @retval EFI_SUCCESS     This constructor always returns success.
+
+**/
+EFI_STATUS
+EFIAPI
+StandaloneMmCpuFeaturesLibConstructor (
+  IN EFI_HANDLE           ImageHandle,
+  IN EFI_MM_SYSTEM_TABLE  *SystemTable
+  )
+{
+  CpuFeaturesLibInitialization ();
+
+  return EFI_SUCCESS;
+}