audk/MdePkg/Library/BaseMemoryLibOptPei/X64/SetMem16.nasm

47 lines
1.3 KiB
NASM
Raw Normal View History

;------------------------------------------------------------------------------
;
; 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:
;
; SetMem16.Asm
;
; Abstract:
;
; SetMem16 function
;
; Notes:
;
;------------------------------------------------------------------------------
DEFAULT REL
SECTION .text
;------------------------------------------------------------------------------
; VOID *
; EFIAPI
; InternalMemSetMem16 (
; IN VOID *Buffer,
; IN UINTN Count,
; IN UINT16 Value
; )
;------------------------------------------------------------------------------
global ASM_PFX(InternalMemSetMem16)
ASM_PFX(InternalMemSetMem16):
push rdi
mov rdi, rcx
mov rax, r8
xchg rcx, rdx
rep stosw
mov rax, rdx
pop rdi
ret