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

41 lines
1.0 KiB
NASM

//------------------------------------------------------------------------------
//
// Copyright (c) 2008-2009 Apple Inc. All rights reserved.
//
// 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.
//
//------------------------------------------------------------------------------
EXPORT __aeabi_uwrite4
AREA Uwrite4, CODE, READONLY
;
;UINT32
;EFIAPI
;__aeabi_uwrite4 (
; IN UINT32 Data,
; IN VOID *Pointer
; );
;
;
__aeabi_uwrite4
mov r2, r0, lsr #8
strb r0, [r1]
strb r2, [r1, #1]
mov r2, r0, lsr #16
strb r2, [r1, #2]
mov r2, r0, lsr #24
strb r2, [r1, #3]
bx lr
END