MdePkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / MdePkg / Library / BaseLib / Ia32 / ReadIdtr.c

/** @file\r
  AsmReadIdtr function\r
\r
  Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
\r
#include "BaseLibInternals.h"\r
\r
\r
/**\r
  Reads the current Interrupt Descriptor Table Register(GDTR) descriptor.\r
\r
  Reads and returns the current IDTR descriptor and returns it in Idtr. This\r
  function is only available on IA-32 and x64.\r
\r
  @param  Idtr  The pointer to a IDTR descriptor.\r
\r
**/\r
VOID\r
EFIAPI\r
InternalX86ReadIdtr (\r
  OUT     IA32_DESCRIPTOR           *Idtr\r
  )\r
{\r
  _asm {\r
    mov     eax, Idtr\r
    sidt    fword ptr [eax]\r
  }\r
}\r