audk/MdePkg/Library/BaseLib/Ia32/ReadEflags.c

/** @file
  AsmReadEflags function

  Copyright (c) 2006 - 2007, Intel Corporation<BR>
  All rights reserved. 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.

**/




/**
  Reads the current value of the EFLAGS register.

  Reads and returns the current value of the EFLAGS register. This function is
  only available on IA-32 and X64. This returns a 32-bit value on IA-32 and a
  64-bit value on X64.

  @return EFLAGS on IA-32 or RFLAGS on X64.

**/
UINTN
EFIAPI
AsmReadEflags (
  VOID
  )
{
  __asm {
    pushfd
    pop     eax
  }
}