;------------------------------------------------------------------------------ | |
; | |
; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> | |
; SPDX-License-Identifier: BSD-2-Clause-Patent | |
; | |
; Module Name: | |
; | |
; WriteDr4.Asm | |
; | |
; Abstract: | |
; | |
; AsmWriteDr4 function | |
; | |
; Notes: | |
; | |
;------------------------------------------------------------------------------ | |
DEFAULT REL | |
SECTION .text | |
;------------------------------------------------------------------------------ | |
; UINTN | |
; EFIAPI | |
; AsmWriteDr4 ( | |
; IN UINTN Value | |
; ); | |
;------------------------------------------------------------------------------ | |
global ASM_PFX(AsmWriteDr4) | |
ASM_PFX(AsmWriteDr4): | |
; | |
; There's no obvious reason to access this register, since it's aliased to | |
; DR6 when DE=0 or an exception generated when DE=1 | |
; | |
DB 0xf, 0x23, 0xe1 | |
mov rax, rcx | |
ret | |