vm_page.h

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/*
 * /phoenix/kernel/sys/vm_page.h
 *
 * This file is a part of Phoenix operating system.
 * Copyright (c) 2011-2012, Artyom Lebedev <artyom.lebedev@gmail.com>
 * All rights reserved.
 * See COPYING file for copyright details.
 */

#ifndef VM_PAGE_H_
#define VM_PAGE_H_

namespace vm {

class Page {
public:
    enum Flags {
        F_MANAGED =         0x1,
        F_AVAILABLE =       0x2,
        F_ACPI_RECLAIM =    0x4,
        F_ACPI_NVS =        0x8,
    };

    Page(long flags = 0) {
        _flags = flags;
    }

    inline long GetFlags() { return _flags; }

    inline long SetFlags(long flags) {
        long ret = _flags;
        _flags = flags;
        return ret;
    }

    Paddr GetPaddr();

    inline void *operator new(size_t size, Page *location) {
        ASSERT(size == sizeof(Page));
        return location;
    }

private:
    u32 _flags;
};

}

#endif /* VM_PAGE_H_ */