kernel/eka/include/nkernsmp/x86/ncern.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 06 Jul 2010 15:50:07 +0300
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Revision: 201027 Kit: 2010127
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// Copyright (c) 2007-2009 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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// e32\include\nkernsmp\x86\ncern.h
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// 
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// WARNING: This file contains some APIs which are internal and are subject
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//          to change without notice. Such APIs should therefore not be used
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//          outside the Kernel and Hardware Services package.
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//
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/**
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 @file
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 @publishedPartner
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 @prototype
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*/
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#ifndef __NCERN_H__
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#define __NCERN_H__
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/** Information needed to boot an AP (x86 specific)
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@internalTechnology
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*/
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struct SX86APBootInfo : public SAPBootInfo
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	{
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	};
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/** Variant interface block
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@internalTechnology
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@prototype
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*/
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struct SVariantInterfaceBlock : public SInterfaceBlockBase
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	{
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	TUint64		iMaxCpuClock;				// maximum possible CPU clock frequency on this system
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	TUint32		iTimestampFreq;				// rate at which timestamp increments
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	TUint32		iMaxTimerClock;				// maximum possible local timer clock frequency
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	SRatio*		iTimerFreqR[KMaxCpus];		// timer[i] frequency as a fraction of iMaxTimerClock
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	SRatio*		iCpuFreqR[KMaxCpus];		// CPU[i] frequency as a fraction of iMaxCpuClock
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	SRatio*		iTimestampFreqR;			// timestamp counter frequency as a fraction of
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	};
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// End of file
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#endif