ArmPkg/CompilerIntrinsicsLib: Make __aeabi_memcpy the same as memcpy

[mirror_edk2.git] / ArmPkg / Library / CompilerIntrinsicsLib / Arm / memcpy.S

#------------------------------------------------------------------------------\r
#\r
# Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
#\r
# This program and the accompanying materials\r
# are licensed and made available under the terms and conditions of the BSD License\r
# which accompanies this distribution.  The full text of the license may be found at\r
# http://opensource.org/licenses/bsd-license.php\r
#\r
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
#\r
#------------------------------------------------------------------------------\r
\r
  .text\r
  .align 2\r
  GCC_ASM_EXPORT(__aeabi_memcpy)\r
  GCC_ASM_EXPORT(memcpy)\r
\r
ASM_PFX(__aeabi_memcpy):\r
ASM_PFX(memcpy):\r
  cmp     r2, #0\r
  bxeq    lr\r
  push    {lr}\r
  mov     lr, r0\r
L5:\r
  ldrb  r3, [r1], #1  @ zero_extendqisi2\r
  strb  r3, [lr], #1\r
  subs r2, r2, #1\r
  bne  L5\r
  pop  {pc}\r
\r