EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseMemoryLib/X64/SetMem.S

   1 #
   2 # ConvertAsm.py: Automatically generated from SetMem.asm
   3 #
   4 #------------------------------------------------------------------------------
   5 #
   6 # Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
   7 # This program and the accompanying materials
   8 # are licensed and made available under the terms and conditions of the BSD License
   9 # which accompanies this distribution.  The full text of the license may be found at
  10 # http://opensource.org/licenses/bsd-license.php
  11 #
  12 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  14 #
  15 # Module Name:
  16 #
  17 #   SetMem.S
  18 #
  19 # Abstract:
  20 #
  21 #   SetMem function
  22 #
  23 # Notes:
  24 #
  25 #------------------------------------------------------------------------------
  26
  27 #include <EdkIIGlueBase.h>
  28 #------------------------------------------------------------------------------
  29 #  VOID *
  30 #  EFIAPI
  31 #  InternalMemSetMem (
  32 #    IN VOID   *Buffer,
  33 #    IN UINTN  Count,
  34 #    IN UINT8  Value
  35 #    )
  36 #------------------------------------------------------------------------------
  37 .globl ASM_PFX(InternalMemSetMem)
  38 ASM_PFX(InternalMemSetMem):
  39     pushq   %rdi
  40     movq    %r8, %rax      # rax = Value
  41     movq    %rcx, %rdi     # rdi = Buffer
  42     xchgq   %rdx, %rcx     # rcx = Count, rdx = Buffer
  43     rep     stosb
  44     movq    %rdx, %rax     # rax = Buffer
  45     popq    %rdi
  46     ret
  47