mirror of https://github.com/acidanthera/audk.git
62 lines
1.8 KiB
ArmAsm
62 lines
1.8 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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# ScanMem64.Asm
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#
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# Abstract:
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#
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# ScanMem64 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(InternalMemScanMem64)
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#------------------------------------------------------------------------------
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# CONST VOID *
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# EFIAPI
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# InternalMemScanMem64 (
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# IN CONST VOID *Buffer,
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# IN UINTN Length,
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# IN UINT64 Value
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# );
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#------------------------------------------------------------------------------
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ASM_PFX(InternalMemScanMem64):
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push %edi
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movl 12(%esp), %ecx
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movl 16(%esp), %eax
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movl 20(%esp), %edx
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movl 8(%esp), %edi
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L0:
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cmpl (%edi), %eax
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leal 8(%edi), %edi
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loopne L0
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jne L1
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cmpl -4(%edi), %edx
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jecxz L1
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jne L0
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L1:
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leal -8(%edi), %eax
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cmovne %ecx, %eax
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pop %edi
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ret
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