diff options
Diffstat (limited to 'EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/Ia32/EfiCopyMemRep4.c')
-rw-r--r-- | EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/Ia32/EfiCopyMemRep4.c | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/Ia32/EfiCopyMemRep4.c b/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/Ia32/EfiCopyMemRep4.c deleted file mode 100644 index 844c0ca660..0000000000 --- a/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/Ia32/EfiCopyMemRep4.c +++ /dev/null @@ -1,79 +0,0 @@ -/*++
-
-Copyright (c) 2007, 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:
-
- EfiCopyMemRep4.c
-
-Abstract:
-
- This is the code that uses rep movsd CopyMem service
-
---*/
-
-#include "Tiano.h"
-
-VOID
-EfiCommonLibCopyMem (
- IN VOID *Destination,
- IN VOID *Source,
- IN UINTN Count
- )
-/*++
-
-Routine Description:
-
- Copy Length bytes from Source to Destination.
-
-Arguments:
-
- Destination - Target of copy
-
- Source - Place to copy from
-
- Length - Number of bytes to copy
-
-Returns:
-
- None
-
---*/
-{
- __asm {
- mov esi, Source ; esi <- Source
- mov edi, Destination ; edi <- Destination
- mov edx, Count ; edx <- Count
- cmp esi, edi
- je _CopyDone
- cmp edx, 0
- je _CopyDone
- lea eax, [esi + edx - 1] ; eax <- End of Source
- cmp esi, edi
- jae _CopyDWord
- cmp eax, edi
- jae _CopyBackward ; Copy backward if overlapped
-_CopyDWord:
- mov ecx, edx
- and edx, 3
- shr ecx, 2
- rep movsd ; Copy as many Dwords as possible
- jmp _CopyBytes
-_CopyBackward:
- mov esi, eax ; esi <- End of Source
- lea edi, [edi + edx - 1] ; edi <- End of Destination
- std
-_CopyBytes:
- mov ecx, edx
- rep movsb ; Copy bytes backward
- cld
-_CopyDone:
- }
-}
|