MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem64.asm

   1 ;------------------------------------------------------------------------------
   2 ;
   3 ; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
   4 ; This program and the accompanying materials
   5 ; are licensed and made available under the terms and conditions of the BSD License
   6 ; which accompanies this distribution.  The full text of the license may be found at
   7 ; http://opensource.org/licenses/bsd-license.php.
   8 ;
   9 ; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 ; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11 ;
  12 ; Module Name:
  13 ;
  14 ;   SetMem64.Asm
  15 ;
  16 ; Abstract:
  17 ;
  18 ;   SetMem64 function
  19 ;
  20 ; Notes:
  21 ;
  22 ;------------------------------------------------------------------------------
  23
  24     .code
  25
  26 ;------------------------------------------------------------------------------
  27 ;  VOID *
  28 ;  InternalMemSetMem64 (
  29 ;    IN VOID   *Buffer,
  30 ;    IN UINTN  Count,
  31 ;    IN UINT64 Value
  32 ;    )
  33 ;------------------------------------------------------------------------------
  34 InternalMemSetMem64 PROC    USES    rdi
  35     push    rcx
  36     mov     rdi, rcx
  37     mov     rax, r8
  38     xchg    rcx, rdx
  39     rep     stosq
  40     pop     rax
  41     ret
  42 InternalMemSetMem64 ENDP
  43
  44     END