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

48 lines
1.3 KiB
NASM

;------------------------------------------------------------------------------
;
; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
; This program and the accompanying materials
; are licensed and made available under the terms and conditions of the BSD License
; which accompanies this distribution. The full text of the license may be found at
; http://opensource.org/licenses/bsd-license.php.
;
; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
;
; 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