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

43 lines
1.1 KiB
NASM

//------------------------------------------------------------------------------
//
// Copyright (c) 2008 - 2009, Apple Inc. 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.
//
//------------------------------------------------------------------------------
INCLUDE AsmMacroExport.inc
;
;VOID
;EFIAPI
;__aeabi_llsl (
; IN VOID *Destination,
; IN VOID *Source,
; IN UINT32 Size
; );
;
RVCT_ASM_EXPORT __aeabi_llsl
SUBS r3,r2,#0x20
BPL {pc} + 0x18 ; 0x1c
RSB r3,r2,#0x20
LSL r1,r1,r2
ORR r1,r1,r0,LSR r3
LSL r0,r0,r2
BX lr
LSL r1,r0,r3
MOV r0,#0
BX lr
END