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1#------------------------------------------------------------------------------
2#
3# Copyright (c) 2013, ARM. All rights reserved.<BR>
4#
5# This program and the accompanying materials
6# are licensed and made available under the terms and conditions of the BSD License
7# which accompanies this distribution.  The full text of the license may be found at
8# http://opensource.org/licenses/bsd-license.php
9#
10# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12#
13#------------------------------------------------------------------------------
14
15#include <AsmMacroIoLib.h>
16
17#VOID
18#EFIAPI
19#__aeabi_llsr (
20# IN  VOID    *Destination,
21# IN  VOID    *Source,
22# IN  UINT32  Size
23# );
24#
25ASM_FUNC(__aeabi_llsr)
26    subs     r3,r2,#0x20
27    bpl      1f
28    rsb      r3,r2,#0x20
29    lsr      r0,r0,r2
30    orr      r0,r0,r1,lsl r3
31    lsr      r1,r1,r2
32    bx       lr
331:
34    lsr      r0,r1,r3
35    mov      r1,#0
36    bx       lr
37