MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem.S File Reference
Detailed Description
#
# ConvertAsm.py: Automatically generated from
SetMem.asm
#
#------------------------------------------------------------------------------
#
# Copyright (c) 2006 - 2009, 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:
#
# SetMem.S
#
# Abstract:
#
# SetMem function
#
# Notes:
#
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# VOID *
# EFIAPI
# InternalMemSetMem (
# IN VOID *Buffer,
# IN UINTN Count,
# IN UINT8 Value
# )
#------------------------------------------------------------------------------
ASM_GLOBAL
ASM_PFX(InternalMemSetMem)
ASM_PFX(InternalMemSetMem):
pushq rdi
movq r8, rax # rax = Value
movq rcx, rdi # rdi = Buffer
xchgq rdx, rcx # rcx = Count, rdx = Buffer
rep stosb
movq rdx, rax # rax = Buffer
popq rdi
ret