Symbian3/PDK/Source/GUID-A91C6359-E547-51AD-AA8C-45BCAFBA98AC.dita
author Dominic Pinkman <Dominic.Pinkman@Nokia.com>
Fri, 22 Jan 2010 18:26:19 +0000
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Addition of the PDK content and example code for Documentation_content according to Feature bug 1607 and bug 1608
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<?xml version="1.0" encoding="utf-8"?>
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<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
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<!-- This component and the accompanying materials are made available under the terms of the License 
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"Eclipse Public License v1.0" which accompanies this distribution, 
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and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
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<!-- Initial Contributors:
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    Nokia Corporation - initial contribution.
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Contributors: 
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-->
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<!DOCTYPE concept
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  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
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<concept id="GUID-A91C6359-E547-51AD-AA8C-45BCAFBA98AC" xml:lang="en"><title>Kernel Architecture
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(EKA2)</title><shortdesc>EKA2 is the principal Hardware and Kernel Services module. It manages
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the CPU and memory resources of a phone, and provides an architecture for
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device drivers to manage other hardware resources. </shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody>
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<p id="GUID-B66850E3-11C9-58D6-ADB3-12ABBC1B792C"> The Kernel has a layered
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architecture so that it can be ported to different hardware. All base ports
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must implement a layer called the ASSP/Variant that provides essential hardware-specific
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services for the Kernel. </p>
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<p>The Kernel also allows additional layers called personality layers to be
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created that provide emulations of traditional real time operating systems.
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This allows applications that were written for those operating systems to
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be run on Symbian platform. </p>
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<p>The device driver architecture and the services that the Kernel provides
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to device drivers are described in the <xref href="GUID-0437DB4C-FC4E-51DC-BB4C-95C0B26834F5.dita">Device
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Driver Guide</xref>. </p>
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</conbody><related-links>
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<link href="GUID-77DF7A6B-F01D-5B9F-9C7A-662A04ED8BE7.dita"><linktext>ASSP   Kernel
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Extension Overview</linktext></link>
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<link href="GUID-0437DB4C-FC4E-51DC-BB4C-95C0B26834F5.dita"><linktext>Device  
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Driver Guide</linktext></link>
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<link href="GUID-C06CFF3E-23E9-5E0B-99A1-51B8ED95465F.dita"><linktext>USB Client
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  Driver</linktext></link>
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<link href="http://developer.symbian.org/wiki/index.php/Symbian_OS_Internals/1._Introducing_EKA2.dita">
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<linktext>Symbian OS Internals - Chapter 1 Introducing EKA2</linktext></link>
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<link href="http://developer.symbian.org/wiki/index.php/Symbian_OS_Internals/2._Hardware_for_Symbian_OS.dita">
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<linktext>Symbian OS Internals - Chapter 2 Hardware for Symbian OS</linktext>
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</link>
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<link href="http://developer.symbian.org/wiki/index.php/Symbian_OS_Internals/5._Kernel_Services.dita">
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<linktext>Symbian OS Internals - Chapter 5 Kernel Services</linktext></link>
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<link href="http://developer.symbian.org/wiki/index.php/Symbian_OS_Internals/7._Memory_Models.dita">
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<linktext>Symbian OS Internals - Chapter 7 Memory Model</linktext></link>
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</related-links></concept>