--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/kernel/eka/include/nkernsmp/x86/ncern.h Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,67 @@
+// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// e32\include\nkernsmp\x86\ncern.h
+//
+// WARNING: This file contains some APIs which are internal and are subject
+// to change without notice. Such APIs should therefore not be used
+// outside the Kernel and Hardware Services package.
+//
+
+/**
+ @file
+ @publishedPartner
+ @prototype
+*/
+
+#ifndef __NCERN_H__
+#define __NCERN_H__
+
+
+/** Information needed to boot an AP (x86 specific)
+
+@internalTechnology
+*/
+struct SX86APBootInfo : public SAPBootInfo
+ {
+ };
+
+/** Timer frequency specification
+
+Stores a frequency as a fraction of a (separately stored) maximum.
+The frequency must be at least 1/256 of the maximum.
+
+@internalTechnology
+@prototype
+*/
+struct STimerMult
+ {
+ TUint32 iFreq; // frequency as a fraction of maximum possible, multiplied by 2^32
+ TUint32 iInverse; // 2^24/(iFreq/2^32) = 2^56/iFreq
+ };
+
+/** Variant interface block
+@internalTechnology
+@prototype
+*/
+struct SVariantInterfaceBlock : public SInterfaceBlockBase
+ {
+ TUint64 iMaxCpuClock; // maximum possible CPU clock frequency on this system
+ TUint32 iTimestampFreq; // rate at which timestamp increments
+ TUint32 iMaxTimerClock; // maximum possible local timer clock frequency
+ volatile STimerMult* iTimerMult[KMaxCpus]; // timer[i] frequency as a fraction of iMaxTimerClock
+ volatile TUint32* iCpuMult[KMaxCpus]; // CPU[i] frequency / iMaxCpuClock * 2^32
+ };
+
+// End of file
+#endif