audk/MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem32.nasm

42 lines
938 B
NASM

;------------------------------------------------------------------------------
;
; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
; SPDX-License-Identifier: BSD-2-Clause-Patent
;
; Module Name:
;
; SetMem32.Asm
;
; Abstract:
;
; SetMem32 function
;
; Notes:
;
;------------------------------------------------------------------------------
DEFAULT REL
SECTION .text
;------------------------------------------------------------------------------
; VOID *
; EFIAPI
; InternalMemSetMem32 (
; IN VOID *Buffer,
; IN UINTN Count,
; IN UINT32 Value
; );
;------------------------------------------------------------------------------
global ASM_PFX(InternalMemSetMem32)
ASM_PFX(InternalMemSetMem32):
push rdi
push rcx
mov rdi, rcx
mov rax, r8
xchg rcx, rdx
rep stosd
pop rax
pop rdi
ret