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/* |
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* $Id$ |
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* |
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* Copyright (C) 2003-2009 JNode.org |
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* |
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* This library is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU Lesser General Public License as published |
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* by the Free Software Foundation; either version 2.1 of the License, or |
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* (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
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* License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with this library; If not, write to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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*/ |
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|
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package org.jnode.vm; |
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|
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import org.vmmagic.unboxed.Address; |
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import org.vmmagic.unboxed.Extent; |
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|
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/** |
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* Class used to describe memory map elements. |
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* |
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* @author Ewout Prangsma (epr@users.sourceforge.net) |
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*/ |
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public abstract class MemoryMapEntry { |
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|
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/** |
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* Gets the start of this entry. |
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* |
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* @return the entry's start address. |
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*/ |
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public abstract Address getStart(); |
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|
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/** |
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* Gets the size of this entry. |
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* |
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* @return the entries size |
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*/ |
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public abstract Extent getSize(); |
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|
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/** |
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* Test if a memory region is available to the OS. |
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* |
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* @return {@code true} if the region is available, otherwise {@code false}. |
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*/ |
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public abstract boolean isAvailable(); |
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|
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/** |
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* Is this a memory region containing reclaimable ACPI data. |
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* |
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* @return {@code true} if the region contains reclaimable ACPI data, otherwise {@code false}. |
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*/ |
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public abstract boolean isAcpi(); |
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|
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/** |
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* Is this a memory region containing ACPI NVS data. |
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* |
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* @return {@code true} if the region contains ACPI NVS data, otherwise {@code false}. |
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*/ |
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public abstract boolean isAcpiNVS(); |
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} |
