kernel/eka/compsupp/rvct2_2/aeabimem.cia
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 18 Jan 2010 21:31:10 +0200
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permissions -rw-r--r--
Revision: 201003 Kit: 201003
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// Copyright (c) 2005-2009 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 "ARM EABI LICENCE.txt"
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// which accompanies this distribution, and is available
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// in kernel/eka/compsupp.
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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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//
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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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	}