/*
 * Copyright 2010, Ingo Weinhold, ingo_weinhold@gmx.de.
 * Distributed under the terms of the MIT License.
 */
#ifndef KERNEL_ARCH_PPC_PAGING_PPC_PAGING_METHOD_H
#define KERNEL_ARCH_PPC_PAGING_PPC_PAGING_METHOD_H


#include <SupportDefs.h>

#include <vm/vm_types.h>


struct kernel_args;
struct VMPhysicalPageMapper;
struct VMTranslationMap;


class PPCPagingMethod {
public:
        virtual                                         ~PPCPagingMethod();

        virtual status_t                        Init(kernel_args* args,
                                                                        VMPhysicalPageMapper** _physicalPageMapper)
                                                                                = 0;
        virtual status_t                        InitPostArea(kernel_args* args) = 0;

        virtual status_t                        CreateTranslationMap(bool kernel,
                                                                        VMTranslationMap** _map) = 0;

        virtual status_t                        MapEarly(kernel_args* args,
                                                                        addr_t virtualAddress,
                                                                        phys_addr_t physicalAddress,
                                                                        uint8 attributes) = 0;

        virtual bool                            IsKernelPageAccessible(addr_t virtualAddress,
                                                                        uint32 protection) = 0;
};


extern PPCPagingMethod* gPPCPagingMethod;


#endif  // KERNEL_ARCH_PPC_PAGING_PPC_PAGING_METHOD_H