1 files changed, 38 insertions, 0 deletions
diff --git a/Core/UefiCpuPkg/Include/Library/UefiCpuLib.h b/Core/UefiCpuPkg/Include/Library/UefiCpuLib.h
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index 0000000000..561d579968
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+++ b/Core/UefiCpuPkg/Include/Library/UefiCpuLib.h
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+/** @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>
+  This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#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
+  );
+
+#endif