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system76-edk2/UefiCpuPkg/ResetVector/Vtf0/Port80Debug.asm
2019-04-09 10:58:28 -07:00

23 lines
517 B
NASM

;------------------------------------------------------------------------------
; @file
; Port 0x80 debug support macros
;
; Copyright (c) 2009, Intel Corporation. All rights reserved.<BR>
; SPDX-License-Identifier: BSD-2-Clause-Patent
;
;------------------------------------------------------------------------------
BITS 16
%macro debugInitialize 0
;
; No initialization is required
;
%endmacro
%macro debugShowPostCode 1
mov al, %1
out 0x80, al
%endmacro