audk/ArmPkg/Library/CompilerIntrinsicsLib/Arm/memset.S

39 lines
1.1 KiB
ArmAsm

#------------------------------------------------------------------------------
#
# Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
# Copyright (c) 2014, ARM Ltd. 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.
#
#------------------------------------------------------------------------------
.text
.align 2
GCC_ASM_EXPORT (memset)
# VOID
# EFIAPI
# memset (
# IN VOID *Destination,
# IN UINT32 Character,
# IN UINT32 Size
# );
ASM_PFX(memset):
cmp r2, #0
bxeq lr
@ args = 0, pretend = 0, frame = 0
@ frame_needed = 1, uses_anonymous_args = 0
L10:
strb r1, [r0], #1
subs r2, r2, #1
@ While size is not 0
bne L10
bx lr