REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3790 Replace Opcode with the corresponding instructions. The code changes have been verified with CompareBuild.py tool, which can be used to compare the results of two different EDK II builds to determine if they generate the same binaries. (tool link: https://github.com/mdkinney/edk2/tree/sandbox/CompareBuild) Signed-off-by: Jason Lou <yun.lou@intel.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn> Cc: Zhiguang Liu <zhiguang.liu@intel.com>
37 lines
875 B
NASM
37 lines
875 B
NASM
;------------------------------------------------------------------------------
|
|
;
|
|
; Copyright (c) 2006 - 2022, Intel Corporation. All rights reserved.<BR>
|
|
; SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
;
|
|
; Module Name:
|
|
;
|
|
; ReadDr5.Asm
|
|
;
|
|
; Abstract:
|
|
;
|
|
; AsmReadDr5 function
|
|
;
|
|
; Notes:
|
|
;
|
|
;------------------------------------------------------------------------------
|
|
|
|
DEFAULT REL
|
|
SECTION .text
|
|
|
|
;------------------------------------------------------------------------------
|
|
; UINTN
|
|
; EFIAPI
|
|
; AsmReadDr5 (
|
|
; VOID
|
|
; );
|
|
;------------------------------------------------------------------------------
|
|
global ASM_PFX(AsmReadDr5)
|
|
ASM_PFX(AsmReadDr5):
|
|
;
|
|
; There's no obvious reason to access this register, since it's aliased to
|
|
; DR7 when DE=0 or an exception generated when DE=1
|
|
;
|
|
mov rax, dr5
|
|
ret
|
|
|