diff options
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibRepStr/Ia32/CopyMem.S')
-rw-r--r-- | MdePkg/Library/BaseMemoryLibRepStr/Ia32/CopyMem.S | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/CopyMem.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/CopyMem.S deleted file mode 100644 index a95b33759c..0000000000 --- a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/CopyMem.S +++ /dev/null @@ -1,65 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006, Intel Corporation -# All rights reserved. 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: -# -# CopyMem.Asm -# -# Abstract: -# -# CopyMem function -# -# Notes: -# -#------------------------------------------------------------------------------ - -.globl _InternalMemCopyMem - -#------------------------------------------------------------------------------ -# VOID * -# EFIAPI -# InternalMemCopyMem ( -# IN VOID *Destination, -# IN VOID *Source, -# IN UINTN Count -# ); -#------------------------------------------------------------------------------ -_InternalMemCopyMem: - push %esi - push %edi - movl 16(%esp), %esi # esi <- Source - movl 12(%esp), %edi # edi <- Destination - movl 20(%esp), %edx # edx <- Count - leal -1(%esi, %edx), %eax # eax <- End of Source - cmpl %edi, %esi - jae L0 - cmpl %edi, %eax - jae L_CopyBackward # Copy backward if overlapped -L0: - movl %edx, %ecx - andl $3, %edx - shrl $2, %ecx - rep - movsl # Copy as many Dwords as possible - jmp L_CopyBytes -L_CopyBackward: - movl %eax, %esi # esi <- End of Source - leal -1(%edi, %edx), %edi # edi <- End of Destination - std -L_CopyBytes: - movl %edx, %ecx - rep - movsb # Copy bytes backward - cld - movl 12(%esp), %eax # eax <- Destination as return value - pop %edi - pop %esi - ret |