/*
* $Id$
*
* Copyright (C) 2003-2015 JNode.org
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; If not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.vm.facade;
import org.vmmagic.unboxed.Address;
import org.vmmagic.unboxed.Extent;
/**
* Class used to describe memory map elements.
*
* @author Ewout Prangsma (epr@users.sourceforge.net)
*/
public interface MemoryMapEntry {
/**
* Gets the start of this entry.
*
* @return the entry's start address.
*/
Address getStart();
/**
* Gets the size of this entry.
*
* @return the entries size
*/
Extent getSize();
/**
* Test if a memory region is available to the OS.
*
* @return {@code true} if the region is available, otherwise {@code false}.
*/
boolean isAvailable();
/**
* Is this a memory region containing reclaimable ACPI data.
*
* @return {@code true} if the region contains reclaimable ACPI data, otherwise {@code false}.
*/
boolean isAcpi();
/**
* Is this a memory region containing ACPI NVS data.
*
* @return {@code true} if the region contains ACPI NVS data, otherwise {@code false}.
*/
boolean isAcpiNVS();
}