os/kernelhwsrv/kernel/eka/memmodel/epoc/flexible/arm/xinit.cpp
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
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// Copyright (c) 1996-2009 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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//
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#include "arm_mem.h"
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#include "../mmu/mm.h"
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// Set up virtual addresses used for cache flushing if this is
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// done by data read or line allocate
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void M::SetupCacheFlushPtr(TInt aCache, SCacheInfo& aInfo)
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	{
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	}
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#ifdef __SMP__
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extern DMemoryObject* ExceptionStacks;
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void M::GetAPBootInfo(TInt aCpu, volatile SAPBootInfo* aInfo)
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	{
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	SArmAPBootInfo* b = (SArmAPBootInfo*)aInfo;
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	TInt i;
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	for (i=1; i<=7; i+=2)
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		{
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		TUint ix = (TUint)(aCpu*8+i);
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		TInt r = MM::MemoryAlloc(ExceptionStacks, ix, 1);
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		__NK_ASSERT_ALWAYS(r==KErrNone);
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		TLinAddr addr = KExcptStacksLinearBase + (ix<<KPageShift);
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		TLinAddr top = addr + KPageSize;
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		TUint8 fill = 0xdd;
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		switch (i)
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			{
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			case 1:	b->iInitR13Irq = top; fill=0xaa; break;
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			case 3:	b->iInitR13Fiq = top; fill=0xbb; break;
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			case 5:	b->iInitR13Und = top; break;
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			case 7:	top-=sizeof(SFullArmRegSet); b->iInitR13Abt = top; memclr((TAny*)top,sizeof(SFullArmRegSet)); break;
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			default: __NK_ASSERT_ALWAYS(0); break;
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			}
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		memset((TAny*)addr, fill, top-addr);
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		}
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	}
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void M::Init2AP()
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	{
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	__KTRACE_OPT(KBOOT,Kern::Printf("M::Init2AP()"));
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	DThread& t = Kern::CurrentThread();
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	SubScheduler().iAddressSpace = t.iOwningProcess;
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	t.iNThread.SetAddressSpace(t.iOwningProcess);
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	t.iNThread.SetAttributes(KThreadAttAddressSpace);
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	}
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#endif