IntelFspWrapperPkg/Library/SecPeiFspPlatformSecLibSample/Ia32/AsmSaveSecContext.S

   1 #------------------------------------------------------------------------------
   2 #
   3 # Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>
   4 # SPDX-License-Identifier: BSD-2-Clause-Patent
   5 #
   6 # Module Name:
   7 #
   8 #  AsmSaveSecContext.S
   9 #
  10 # Abstract:
  11 #
  12 #   Save Sec Conext before call FspInit API
  13 #
  14 #------------------------------------------------------------------------------
  15
  16 #----------------------------------------------------------------------------
  17 #  MMX Usage:
  18 #              MM0 = BIST State
  19 #              MM5 = Save time-stamp counter value high32bit
  20 #              MM6 = Save time-stamp counter value low32bit.
  21 #
  22 #  It should be same as SecEntry.asm and PeiCoreEntry.asm.
  23 #----------------------------------------------------------------------------
  24
  25 ASM_GLOBAL ASM_PFX(AsmSaveBistValue)
  26 ASM_PFX(AsmSaveBistValue):
  27   movl    4(%esp), %eax
  28   movd    %eax, %mm0
  29   ret
  30
  31 ASM_GLOBAL ASM_PFX(AsmSaveTickerValue)
  32 ASM_PFX(AsmSaveTickerValue):
  33   movl    4(%esp), %eax
  34   movd    %eax, %mm6
  35   movl    8(%esp), %eax
  36   movd    %eax, %mm5
  37   ret