kernel/eka/compsupp/rvct3_1/aeabimem.cia
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 07 Jan 2010 13:38:45 +0200
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child 45 329ab0095843
permissions -rw-r--r--
Revision: 201001 Kit: 201001
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/*
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* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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* This file is part of drtaeabi.dll.
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*
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*/
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#include <e32cmn.h>
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// Call our implementations of memcpy/move/set/clr rather than the ARM supplied
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// ones.
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// 
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// Note that the AEABI switched the order of arg2 and arg3 to save an intruction
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// when calling 'memset' from 'memclr'.
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//
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// Prototypes are:
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//   void __aeabi_memset8(TAny* aTrg, unsigned int aLength, TInt aValue);
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//   void __aeabi_memset4(TAny* aTrg, unsigned int aLength, TInt aValue);
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//   void __aeabi_memset(TAny* aTrg, unsigned int aLength, TInt aValue);
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extern "C" __NAKED__ void make_mem_functions_call_euser_versions()
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        {
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        asm(".global __aeabi_memset8    ");
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        asm("__aeabi_memset8:           ");
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        asm(".global __aeabi_memset4    ");
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        asm("__aeabi_memset4:           ");
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        asm(".global __aeabi_memset     ");
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        asm("__aeabi_memset:            ");
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        asm("   mov             r3, r1  ");
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        asm("   mov             r1, r2  ");
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        asm("   mov             r2, r3  ");
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        asm("   b               memset  ");
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        asm(".global __aeabi_memclr8    ");
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        asm("__aeabi_memclr8:           ");
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        asm(".global __aeabi_memclr4    ");
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        asm("__aeabi_memclr4:           ");
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        asm(".global __aeabi_memclr     ");
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        asm("__aeabi_memclr:            ");
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        asm("   b               memclr  ");
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        asm(".global __aeabi_memcpy8    ");
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        asm("__aeabi_memcpy8:           ");
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        asm(".global __aeabi_memcpy4    ");
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        asm("__aeabi_memcpy4:           ");
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        asm(".global __aeabi_memcpy     ");
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        asm("__aeabi_memcpy:            ");
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        asm("   b               memcpy  ");
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        asm(".global __aeabi_memmove8   ");
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        asm("__aeabi_memmove8:          ");
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        asm(".global __aeabi_memmove4   ");
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        asm("__aeabi_memmove4:          ");
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        asm(".global __aeabi_memmove    ");
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        asm("__aeabi_memmove:           ");
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        asm("   b               memmove ");
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        }