1 files changed, 46 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/UefiCpuPkg/Include/Library/UefiCpuLib.h b/src/VBox/Devices/EFI/Firmware/UefiCpuPkg/Include/Library/UefiCpuLib.h
new file mode 100644
index 00000000..fb8dd8cd
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/UefiCpuPkg/Include/Library/UefiCpuLib.h
@@ -0,0 +1,46 @@
+/** @file
+  Public header file for UEFI CPU library class.
+
+  This library class defines some routines that are generic for IA32 family CPU
+  to be UEFI specification compliant.
+
+  Copyright (c) 2009, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2020, AMD Inc. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef __UEFI_CPU_LIB_H__
+#define __UEFI_CPU_LIB_H__
+
+
+
+/**
+  Initializes floating point units for requirement of UEFI specification.
+
+  This function initializes floating-point control word to 0x027F (all exceptions
+  masked,double-precision, round-to-nearest) and multimedia-extensions control word
+  (if supported) to 0x1F80 (all exceptions masked, round-to-nearest, flush to zero
+  for masked underflow).
+
+**/
+VOID
+EFIAPI
+InitializeFloatingPointUnits (
+  VOID
+  );
+
+/**
+  Determine if the standard CPU signature is "AuthenticAMD".
+
+  @retval TRUE  The CPU signature matches.
+  @retval FALSE The CPU signature does not match.
+
+**/
+BOOLEAN
+EFIAPI
+StandardSignatureIsAuthenticAMD (
+  VOID
+  );
+
+#endif