IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/X64/Long64.nasm

   1 ;; @file
   2 ;  This is the code that performs early platform initialization.
   3 ;  It consumes the reset vector, configures the stack.
   4 ;
   5 ; Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
   6 ; SPDX-License-Identifier: BSD-2-Clause-Patent
   7 ;;
   8
   9 ;
  10 ; Define assembler characteristics
  11 ;
  12
  13 extern   ASM_PFX(TempRamInitApi)
  14
  15 SECTION .text
  16
  17 %macro RET_RSI  0
  18
  19   movd    rsi, mm7                      ; restore RSI from MM7
  20   jmp     rsi
  21
  22 %endmacro
  23
  24 ;
  25 ; Perform early platform initialization
  26 ;
  27 global ASM_PFX(SecPlatformInit)
  28 ASM_PFX(SecPlatformInit):
  29
  30   RET_RSI
  31