MdePkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / MdePkg / Library / BaseLib / X86GetInterruptState.c

/** @file\r
  IA-32/x64 GetInterruptState()\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
  Retrieves the current CPU interrupt state.\r
\r
  Returns TRUE is interrupts are currently enabled. Otherwise\r
  returns FALSE.\r
\r
  @retval TRUE  CPU interrupts are enabled.\r
  @retval FALSE CPU interrupts are disabled.\r
\r
**/\r
BOOLEAN\r
EFIAPI\r
GetInterruptState (\r
  VOID\r
  )\r
{\r
  IA32_EFLAGS32                     EFlags;\r
\r
  EFlags.UintN = AsmReadEflags ();\r
  return (BOOLEAN)(1 == EFlags.Bits.IF);\r
}\r
\r
\r