mirror of https://github.com/acidanthera/audk.git
64 lines
1.6 KiB
NASM
64 lines
1.6 KiB
NASM
;------------------------------------------------------------------------------
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;
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; Copyright (c) 2006, 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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; SetMem16.asm
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;
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; Abstract:
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;
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; SetMem16 function
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;
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; Notes:
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;
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;------------------------------------------------------------------------------
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.686
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.model flat,C
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.mmx
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.code
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;------------------------------------------------------------------------------
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; VOID *
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; EFIAPI
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; InternalMemSetMem16 (
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; IN VOID *Buffer,
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; IN UINTN Count,
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; IN UINT16 Value
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; )
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;------------------------------------------------------------------------------
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InternalMemSetMem16 PROC USES edi
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mov eax, [esp + 16]
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shrd edx, eax, 16
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shld eax, edx, 16
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mov edx, [esp + 12]
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mov edi, [esp + 8]
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mov ecx, edx
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and edx, 3
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shr ecx, 2
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jz @SetWords
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movd mm0, eax
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movd mm1, eax
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psllq mm0, 32
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por mm0, mm1
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@@:
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movq [edi], mm0
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add edi, 8
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loop @B
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@SetWords:
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mov ecx, edx
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rep stosw
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mov eax, [esp + 8]
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ret
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InternalMemSetMem16 ENDP
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END
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