/*
* $Id$
*
* 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.driver.system.acpi;
import java.nio.ByteBuffer;
import org.jnode.driver.system.acpi.aml.ParseNode;
import org.jnode.driver.system.acpi.aml.Parser;
import org.jnode.system.resource.MemoryResource;
import org.jnode.system.resource.ResourceManager;
import org.jnode.system.resource.ResourceNotFreeException;
/**
* DifferentiatedSystemDescriptionTable.
*
* @author Francois-Frederic Ozog
* @author Ewout Prangsma (epr@users.sourceforge.net)
*/
public class DifferentiatedSystemDescriptionTable extends AcpiSystemTable {
private final ParseNode root;
public DifferentiatedSystemDescriptionTable(AcpiDriver driver, ResourceManager rm, MemoryResource tableResource)
throws ResourceNotFreeException {
super(driver, tableResource);
root = parse();
}
private final ParseNode parse() throws ResourceNotFreeException {
final Parser p = new Parser();
// the AML starts at offsset 36 of DSDT
final int amlLength = getSize() - 36;
final byte[] table = new byte[amlLength];
getBytes(36, table, 0, amlLength);
ByteBuffer amlBuffer = ByteBuffer.wrap(table);
amlBuffer.rewind();
return p.parse(amlBuffer);
}
public ParseNode getParsedAml() {
return root;
}
}