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//------------------------------------------------------------------------------
//
// 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.
//
//------------------------------------------------------------------------------
EXPORT __aeabi_memcpy4
AREA Memcpy4, CODE, READONLY
;
;VOID
;EFIAPI
;__aeabi_memcpy (
; IN VOID *Destination,
; IN VOID *Source,
; IN UINT32 Size
; );
;
__aeabi_memcpy4
stmdb sp!, {r4, lr}
subs r2, r2, #32 ; 0x20
bcc memcpy4_label2
memcpy4_label1
ldmcsia r1!, {r3, r4, ip, lr}
stmcsia r0!, {r3, r4, ip, lr}
ldmcsia r1!, {r3, r4, ip, lr}
stmcsia r0!, {r3, r4, ip, lr}
subcss r2, r2, #32 ; 0x20
bcs memcpy4_label1
memcpy4_label2
movs ip, r2, lsl #28
ldmcsia r1!, {r3, r4, ip, lr}
stmcsia r0!, {r3, r4, ip, lr}
ldmmiia r1!, {r3, r4}
stmmiia r0!, {r3, r4}
ldmia sp!, {r4, lr}
movs ip, r2, lsl #30
ldrcs r3, [r1], #4
strcs r3, [r0], #4
bxeq lr
_memcpy4_lastbytes_aligned
movs r2, r2, lsl #31
ldrcsh r3, [r1], #2
ldrmib r2, [r1], #1
strcsh r3, [r0], #2
strmib r2, [r0], #1
bx lr
END
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