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

51 lines
1.3 KiB
NASM

//------------------------------------------------------------------------------
//
// 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.
//
//------------------------------------------------------------------------------
EXPORT __aeabi_memset
EXPORT __aeabi_memclr
EXPORT __aeabi_memclr4
AREA Memset, CODE, READONLY
; void __aeabi_memclr4(void *dest, size_t n);
; void __aeabi_memclr(void *dest, size_t n);
__aeabi_memclr
__aeabi_memclr4
mov r2, #0
;
;VOID
;EFIAPI
;__aeabi_memset (
; IN VOID *Destination,
; IN UINT32 Size,
; IN UINT32 Character
; );
;
__aeabi_memset
cmp r1, #0
bxeq lr
; args = 0, pretend = 0, frame = 0
; frame_needed = 1, uses_anonymous_args = 0
L10
strb r2, [r0], #1
subs r1, r1, #1
; While size is not 0
bne L10
bx lr
END