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2. Port X64 arch codes for BaseMemoryLibRepStr and BaseMemoryLibSee2 git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2955 6f19259b-4bc3-4df7-8a09-765794883524
51 lines
1.4 KiB
ArmAsm
51 lines
1.4 KiB
ArmAsm
#------------------------------------------------------------------------------
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#
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# Copyright (c) 2006, Intel Corporation
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# All rights reserved. This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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# which accompanies this distribution. The full text of the license may be found at
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# http://opensource.org/licenses/bsd-license.php
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#
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#
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# Module Name:
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#
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# ScanMem8.Asm
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#
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# Abstract:
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#
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# ScanMem8 function
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#
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# Notes:
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#
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# The following BaseMemoryLib instances share the same version of this file:
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#
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# BaseMemoryLibRepStr
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# BaseMemoryLibMmx
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# BaseMemoryLibSse2
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#
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#------------------------------------------------------------------------------
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.globl _InternalMemScanMem8
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#------------------------------------------------------------------------------
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# CONST VOID *
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# EFIAPI
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# InternalMemScanMem8 (
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# IN CONST VOID *Buffer,
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# IN UINTN Length,
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# IN UINT8 Value
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# );
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#------------------------------------------------------------------------------
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_InternalMemScanMem8:
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push %edi
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movl 12(%esp), %ecx
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movl 8(%esp), %edi
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movb 16(%esp), %al
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repne scasb
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leal -1(%edi), %eax
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cmovnz %ecx, %eax
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pop %edi
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ret
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