9344f09215
https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com>
48 lines
1.4 KiB
NASM
48 lines
1.4 KiB
NASM
;------------------------------------------------------------------------------
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;
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; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
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; SPDX-License-Identifier: BSD-2-Clause-Patent
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;
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; Module Name:
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;
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; SetMem32.nasm
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;
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; Abstract:
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;
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; SetMem32 function
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;
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; Notes:
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;
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;------------------------------------------------------------------------------
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DEFAULT REL
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SECTION .text
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;------------------------------------------------------------------------------
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; VOID *
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; InternalMemSetMem32 (
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; IN VOID *Buffer,
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; IN UINTN Count,
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; IN UINT32 Value
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; )
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;------------------------------------------------------------------------------
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global ASM_PFX(InternalMemSetMem32)
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ASM_PFX(InternalMemSetMem32):
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DB 0x49, 0xf, 0x6e, 0xc0 ; movd mm0, r8 (Value)
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mov rax, rcx ; rax <- Buffer
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xchg rcx, rdx ; rcx <- Count rdx <- Buffer
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shr rcx, 1 ; rcx <- # of qwords to set
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jz @SetDwords
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DB 0xf, 0x70, 0xC0, 0x44 ; pshufw mm0, mm0, 44h
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.0:
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DB 0xf, 0xe7, 0x2 ; movntq [rdx], mm0
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lea rdx, [rdx + 8] ; use "lea" to avoid flag changes
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loop .0
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mfence
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@SetDwords:
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jnc .1
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DB 0xf, 0x7e, 0x2 ; movd [rdx], mm0
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.1:
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ret
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