Vlv2TbltDevicePkg/FspSupport/Library/SecFspPlatformSecLibVlv2/Ia32/AsmSaveSecContext.asm

   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 ;  SecEntry.asm
   9 ;
  10 ; Abstract:
  11 ;
  12 ;  This is the code that goes from real-mode to protected mode.
  13 ;  It consumes the reset vector, calls two basic APIs from FSP binary.
  14 ;
  15 ;------------------------------------------------------------------------------
  16
  17 .686p
  18 .xmm
  19 .model flat,c
  20 .code
  21
  22 ;----------------------------------------------------------------------------
  23 ;  MMX Usage:
  24 ;              MM0 = BIST State
  25 ;              MM5 = Save time-stamp counter value high32bit
  26 ;              MM6 = Save time-stamp counter value low32bit.
  27 ;
  28 ;  It should be same as SecEntry.asm and PeiCoreEntry.asm.
  29 ;----------------------------------------------------------------------------
  30
  31 AsmSaveBistValue   PROC PUBLIC
  32   mov     eax, [esp+4]
  33   movd    mm0, eax
  34   ret
  35 AsmSaveBistValue   ENDP
  36
  37 AsmSaveTickerValue   PROC PUBLIC
  38   mov     eax, [esp+4]
  39   movd    mm6, eax
  40   mov     eax, [esp+8]
  41   movd    mm5, eax
  42   ret
  43 AsmSaveTickerValue   ENDP
  44
  45 END