mirror_edk2/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.nasm
Michael D Kinney 9344f09215 MdePkg: Replace BSD License with BSD+Patent License
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>
2019-04-09 10:58:13 -07:00

55 lines
1.2 KiB
NASM

;------------------------------------------------------------------------------
;
; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
; SPDX-License-Identifier: BSD-2-Clause-Patent
;
; Module Name:
;
; SetMem64.nasm
;
; Abstract:
;
; SetMem64 function
;
; Notes:
;
;------------------------------------------------------------------------------
SECTION .text
;------------------------------------------------------------------------------
; VOID *
; EFIAPI
; InternalMemSetMem64 (
; IN VOID *Buffer,
; IN UINTN Count,
; IN UINT64 Value
; )
;------------------------------------------------------------------------------
global ASM_PFX(InternalMemSetMem64)
ASM_PFX(InternalMemSetMem64):
mov eax, [esp + 4] ; eax <- Buffer
mov ecx, [esp + 8] ; ecx <- Count
test al, 8
mov edx, eax
movq xmm0, qword [esp + 12]
jz .0
movq qword [edx], xmm0
add edx, 8
dec ecx
.0:
shr ecx, 1
jz @SetQwords
movlhps xmm0, xmm0
.1:
movntdq [edx], xmm0
lea edx, [edx + 16]
loop .1
mfence
@SetQwords:
jnc .2
movq qword [edx], xmm0
.2:
ret