mirror of https://github.com/acidanthera/audk.git
53 lines
1.6 KiB
ArmAsm
53 lines
1.6 KiB
ArmAsm
#------------------------------------------------------------------------------
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#
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# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
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# 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 contain the same copy 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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# BaseMemoryLibOptDxe
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# BaseMemoryLibOptPei
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#
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#------------------------------------------------------------------------------
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ASM_GLOBAL ASM_PFX(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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ASM_PFX(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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