MdePkg/BaseLib: Support IA32 processors without CLFLUSH

[mirror_edk2.git] / MdePkg / Library / BaseLib / X86WriteGdtr.c

/** @file\r
  IA-32/x64 AsmWriteGdtr()\r
\r
  Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r
  This program and the accompanying materials\r
  are licensed and made available under the terms and conditions of the BSD License\r
  which accompanies this distribution.  The full text of the license may be found at\r
  http://opensource.org/licenses/bsd-license.php.\r
\r
  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
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#include "BaseLibInternals.h"\r
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/**\r
  Writes the current Global Descriptor Table Register (GDTR) descriptor.\r
\r
  Writes and the current GDTR descriptor specified by Gdtr. This function is\r
  only available on IA-32 and x64.\r
\r
  If Gdtr is NULL, then ASSERT().\r
\r
  @param  Gdtr  The pointer to a GDTR descriptor.\r
\r
**/\r
VOID\r
EFIAPI\r
AsmWriteGdtr (\r
  IN      CONST IA32_DESCRIPTOR     *Gdtr\r
  )\r
{\r
  ASSERT (Gdtr != NULL);\r
  InternalX86WriteGdtr (Gdtr);\r
}\r