IntelFspPkg/FspSecCore/Ia32/FspHelper.s

   1 #------------------------------------------------------------------------------
   2 #
   3 # Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
   4 # This program and the accompanying materials
   5 # are licensed and made available under the terms and conditions of the BSD License
   6 # which accompanies this distribution.  The full text of the license may be found at
   7 # http://opensource.org/licenses/bsd-license.php.
   8 #
   9 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11 #
  12 # Abstract:
  13 #
  14 #   Provide FSP helper function.
  15 #
  16 #------------------------------------------------------------------------------
  17
  18 ASM_GLOBAL ASM_PFX(FspInfoHeaderRelativeOff)
  19 ASM_PFX(FspInfoHeaderRelativeOff):
  20    #
  21    # This value will be pached by the build script
  22    #
  23    .long    0x012345678
  24
  25
  26 ASM_GLOBAL ASM_PFX(GetFspBaseAddress)
  27 ASM_PFX(GetFspBaseAddress):
  28    mov    $GetFspBaseAddress, %eax
  29    sub    $FspInfoHeaderRelativeOff, %eax
  30    add    $0x01C, %eax
  31    mov    (%eax), %eax
  32    ret
  33