audk/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/X64/SecCarInit.nasm

41 lines
753 B
NASM

;; @file
; SEC CAR function
;
; Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
; SPDX-License-Identifier: BSD-2-Clause-Patent
;;
;
; Define assembler characteristics
;
%macro RET_RSI 0
movd rsi, mm7 ; move ReturnAddress from MM7 to RSI
jmp rsi
%endmacro
SECTION .text
;-----------------------------------------------------------------------------
;
; Section: SecCarInit
;
; Description: This function initializes the Cache for Data, Stack, and Code
;
;-----------------------------------------------------------------------------
global ASM_PFX(SecCarInit)
ASM_PFX(SecCarInit):
;
; Set up CAR
;
xor rax, rax
SecCarInitExit:
RET_RSI