IntelFspPkg/Library/SecFspSecPlatformLibNull/Ia32/SecCarInit.asm

   1 ;; @file
   2 ;  SEC CAR function
   3 ;
   4 ; Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
   5 ; This program and the accompanying materials
   6 ; are licensed and made available under the terms and conditions of the BSD License
   7 ; which accompanies this distribution.  The full text of the license may be found at
   8 ; http://opensource.org/licenses/bsd-license.php.
   9 ;
  10 ; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 ; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12 ;;
  13
  14 ;
  15 ; Define assembler characteristics
  16 ;
  17 .586p
  18 .xmm
  19 .model flat, c
  20
  21 RET_ESI  MACRO
  22
  23   movd    esi, mm7                      ; move ReturnAddress from MM7 to ESI
  24   jmp     esi
  25
  26 ENDM
  27
  28 .code
  29
  30 ;-----------------------------------------------------------------------------
  31 ;
  32 ;  Section:     SecCarInit
  33 ;
  34 ;  Description: This function initializes the Cache for Data, Stack, and Code
  35 ;
  36 ;-----------------------------------------------------------------------------
  37 SecCarInit    PROC    NEAR    PUBLIC
  38
  39   ;
  40   ; Set up CAR
  41   ;
  42
  43   xor    eax, eax
  44
  45 SecCarInitExit:
  46
  47   RET_ESI
  48
  49 SecCarInit    ENDP
  50
  51 END