2008-11-03 10:25:10 +01:00
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#
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# ConvertAsm.py: Automatically generated from ZeroMem.asm
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#
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#------------------------------------------------------------------------------
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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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# ZeroMem.S
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#
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# Abstract:
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#
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# ZeroMem function
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#
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# Notes:
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#
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#------------------------------------------------------------------------------
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#------------------------------------------------------------------------------
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# VOID *
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# InternalMemZeroMem (
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# IN VOID *Buffer,
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# IN UINTN Count
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# );
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#------------------------------------------------------------------------------
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.intel_syntax noprefix
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.globl ASM_PFX(InternalMemZeroMem)
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ASM_PFX(InternalMemZeroMem):
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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 r8, rdi
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and edx, 7
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shr rcx, 3
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jz L_ZeroBytes
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pxor mm0, mm0
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L0:
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movntq [rdi], mm0
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add rdi, 8
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loop L0
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mfence
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L_ZeroBytes:
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xor eax, eax
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mov ecx, edx
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rep stosb
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mov rax, r8
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pop rdi
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ret
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