mirror of https://github.com/acidanthera/audk.git
58 lines
1.7 KiB
ArmAsm
58 lines
1.7 KiB
ArmAsm
#
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# ConvertAsm.py: Automatically generated from ScanMem8.asm
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#
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#------------------------------------------------------------------------------
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#
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# Copyright (c) 2006 - 2008, 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.S
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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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#------------------------------------------------------------------------------
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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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.intel_syntax noprefix
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ASM_GLOBAL ASM_PFX(InternalMemScanMem8)
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ASM_PFX(InternalMemScanMem8):
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push rdi
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mov rdi, rcx
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mov rcx, rdx
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mov rax, r8
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repne scasb
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lea rax, [rdi - 1]
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cmovnz rax, rcx # set rax to 0 if not found
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pop rdi
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ret
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