mirror of
https://git.proxmox.com/git/mirror_edk2
synced 2025-10-30 23:50:23 +00:00
2fc59a003e
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10604 6f19259b-4bc3-4df7-8a09-765794883524
67 lines
2.1 KiB
ArmAsm
67 lines
2.1 KiB
ArmAsm
#------------------------------------------------------------------------------
|
|
#
|
|
# Copyright (c) 2006, 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:
|
|
#
|
|
# SetMem.asm
|
|
#
|
|
# Abstract:
|
|
#
|
|
# SetMem function
|
|
#
|
|
# Notes:
|
|
#
|
|
#------------------------------------------------------------------------------
|
|
|
|
ASM_GLOBAL ASM_PFX(InternalMemSetMem)
|
|
|
|
#------------------------------------------------------------------------------
|
|
# VOID *
|
|
# InternalMemSetMem (
|
|
# IN VOID *Buffer,
|
|
# IN UINTN Count,
|
|
# IN UINT8 Value
|
|
# )
|
|
#------------------------------------------------------------------------------
|
|
ASM_PFX(InternalMemSetMem):
|
|
push %edi
|
|
movb 16(%esp), %al
|
|
movb %al, %ah
|
|
shrdl $16, %eax, %edx
|
|
shldl $16, %edx, %eax
|
|
movl 12(%esp), %ecx # ecx <- Count
|
|
movl 8(%esp), %edi # edi <- Buffer
|
|
movl %ecx, %edx
|
|
andl $7, %edx
|
|
shrl $3, %ecx # # of Qwords to set
|
|
jz L1
|
|
addl $0x-10, %esp
|
|
movq %mm0, (%esp) # save mm0
|
|
movq %mm1, 8(%esp) # save mm1
|
|
movd %eax, %mm0
|
|
movd %eax, %mm1
|
|
psllq $32, %mm0
|
|
por %mm1, %mm0 # fill mm0 with 8 Value's
|
|
L0:
|
|
movq %mm0, (%edi)
|
|
addl $8, %edi
|
|
loopl L0
|
|
movq (%esp), %mm0 # restore mm0
|
|
movq 8(%esp), %mm1 # restore mm1
|
|
addl $0x10, %esp # stack cleanup
|
|
L1:
|
|
movl %edx, %ecx
|
|
rep
|
|
stosb
|
|
movl 8(%esp), %eax # eax <- Buffer as return value
|
|
pop %edi
|
|
ret
|