IntelFspPkg/Library/SecFspSecPlatformLibNull/Ia32/SecCarInit.asm

   1 ;; @file
   2 ;  SEC CAR function
   3 ;
   4 ; Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
   5 ; SPDX-License-Identifier: BSD-2-Clause-Patent
   6 ;;
   7
   8 ;
   9 ; Define assembler characteristics
  10 ;
  11 .586p
  12 .xmm
  13 .model flat, c
  14
  15 RET_ESI  MACRO
  16
  17   movd    esi, mm7                      ; move ReturnAddress from MM7 to ESI
  18   jmp     esi
  19
  20 ENDM
  21
  22 .code
  23
  24 ;-----------------------------------------------------------------------------
  25 ;
  26 ;  Section:     SecCarInit
  27 ;
  28 ;  Description: This function initializes the Cache for Data, Stack, and Code
  29 ;
  30 ;-----------------------------------------------------------------------------
  31 SecCarInit    PROC    NEAR    PUBLIC
  32
  33   ;
  34   ; Set up CAR
  35   ;
  36
  37   xor    eax, eax
  38
  39 SecCarInitExit:
  40
  41   RET_ESI
  42
  43 SecCarInit    ENDP
  44
  45 END