author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 18 Jan 2010 21:31:10 +0200 | |
changeset 45 | 329ab0095843 |
parent 43 | 96e5fb8b040d |
child 177 | a232af6b0b1f |
permissions | -rw-r--r-- |
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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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/** Timer frequency specification |
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Stores a frequency as a fraction of a (separately stored) maximum. |
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The frequency must be at least 1/256 of the maximum. |
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@internalTechnology |
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@prototype |
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*/ |
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struct STimerMult |
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{ |
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TUint32 iFreq; // frequency as a fraction of maximum possible, multiplied by 2^32 |
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TUint32 iInverse; // 2^24/(iFreq/2^32) = 2^56/iFreq |
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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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volatile STimerMult* iTimerMult[KMaxCpus]; // timer[i] frequency as a fraction of iMaxTimerClock |
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volatile TUint32* iCpuMult[KMaxCpus]; // CPU[i] frequency / iMaxCpuClock * 2^32 |
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}; |
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// End of file |
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#endif |