#------------------------------------------------------------------------------ | |
# | |
# Copyright (c) 2006, Intel Corporation | |
# All rights reserved. This program and the accompanying materials | |
# are licensed and made available under the terms and conditions of the BSD License | |
# which accompanies this distribution. The full text of the license may be found at | |
# http://opensource.org/licenses/bsd-license.php | |
# | |
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
# | |
# Module Name: | |
# | |
# SetMem64.S | |
# | |
# Abstract: | |
# | |
# SetMem64 function | |
# | |
# Notes: | |
# | |
#------------------------------------------------------------------------------ | |
ASM_GLOBAL ASM_PFX(InternalMemSetMem64) | |
#------------------------------------------------------------------------------ | |
# VOID * | |
# EFIAPI | |
# InternalMemSetMem64 ( | |
# IN VOID *Buffer, | |
# IN UINTN Count, | |
# IN UINT64 Value | |
# ); | |
#------------------------------------------------------------------------------ | |
ASM_PFX(InternalMemSetMem64): | |
movl 4(%esp), %eax | |
movl 8(%esp), %ecx | |
testb $8, %al | |
movl %eax, %edx | |
movq 0xc(%esp), %xmm0 | |
jz L1 | |
movq %xmm0, (%edx) | |
addl $8, %edx | |
decl %ecx | |
L1: | |
shrl %ecx | |
jz L_SetQwords | |
movlhps %xmm0, %xmm0 | |
L2: | |
movntdq %xmm0, (%edx) | |
leal 16(%edx), %edx | |
loop L2 | |
mfence | |
L_SetQwords: | |
jnc L3 | |
movq %xmm0, (%edx) | |
L3: | |
ret |