You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
66 lines
1.7 KiB
66 lines
1.7 KiB
#
|
|
# ConvertAsm.py: Automatically generated from ZeroMem.asm
|
|
#
|
|
#------------------------------------------------------------------------------
|
|
#
|
|
# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
|
|
# 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:
|
|
#
|
|
# ZeroMem.S
|
|
#
|
|
# Abstract:
|
|
#
|
|
# ZeroMem function
|
|
#
|
|
# Notes:
|
|
#
|
|
#------------------------------------------------------------------------------
|
|
|
|
|
|
#------------------------------------------------------------------------------
|
|
# VOID *
|
|
# InternalMemZeroMem (
|
|
# IN VOID *Buffer,
|
|
# IN UINTN Count
|
|
# );
|
|
#------------------------------------------------------------------------------
|
|
ASM_GLOBAL ASM_PFX(InternalMemZeroMem)
|
|
ASM_PFX(InternalMemZeroMem):
|
|
pushq %rdi
|
|
movq %rcx, %rdi
|
|
xorq %rcx, %rcx
|
|
xorl %eax, %eax
|
|
subq %rdi, %rcx
|
|
andq $15, %rcx
|
|
movq %rdi, %r8
|
|
jz L0
|
|
cmpq %rdx, %rcx
|
|
cmova %rdx, %rcx
|
|
subq %rcx, %rdx
|
|
rep stosb
|
|
L0:
|
|
movq %rdx, %rcx
|
|
andl $15, %edx
|
|
shrq $4, %rcx
|
|
jz L_ZeroBytes
|
|
pxor %xmm0, %xmm0
|
|
L1:
|
|
movntdq %xmm0, (%rdi) # rdi should be 16-byte aligned
|
|
addq $16, %rdi
|
|
loop L1
|
|
mfence
|
|
L_ZeroBytes:
|
|
movl %edx, %ecx
|
|
rep stosb
|
|
movq %r8, %rax
|
|
popq %rdi
|
|
ret
|