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path: root/MdePkg/Library/BaseMemoryLibOptPei/X64/SetMem32.nasm
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;------------------------------------------------------------------------------
;
; 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
    mov     rdi, rcx
    mov     rax, r8
    xchg    rcx, rdx
    rep     stosd
    mov     rax, rdx
    pop     rdi
    ret