// Copyright (c) 1994-2009 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:

// kernel\eka\include\page_alloc.h

// 

//

#ifndef __KERNEL_MODE__ 

const int MAXSMALLPAGEBITS = 68<<3;

#define MINPAGEPOWER	PAGESHIFT+2

struct paged_bitmap

{

	public:

		inline paged_bitmap() : iBase(0), iNbits(0) {}

		void Init(unsigned char* p, unsigned size, unsigned bit);

//

		inline unsigned char* Addr() const;

		inline unsigned Size() const;

//

		inline void Set(unsigned ix, unsigned bit);

		inline unsigned operator[](unsigned ix) const;

		bool Is(unsigned ix, unsigned len, unsigned bit) const;

		void Set(unsigned ix, unsigned len, unsigned val);

		void Setn(unsigned ix, unsigned len, unsigned bit);

		unsigned Bits(unsigned ix, unsigned len) const;	// little endian

		int Find(unsigned start, unsigned bit) const;

	private:

		unsigned char* iBase;

		unsigned iNbits;

};

#endif  // __KERNEL_MODE__