/*
* $Id$
*
* Copyright (C) 2003-2014 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 org.jnode.system.resource.MemoryResource;
import org.jnode.system.resource.ResourceManager;
import org.jnode.system.resource.ResourceNotFreeException;
import org.jnode.system.resource.ResourceOwner;
import org.jnode.system.resource.SimpleResourceOwner;
import org.vmmagic.unboxed.Address;
/**
* Structure wrapper for the RootSystemDescriptionTable (RSDT).
*
* @author Francois-Frederic Ozog
*/
public class RootSystemDescriptionTable extends SystemDescriptionTable {
public RootSystemDescriptionTable(AcpiDriver driver, ResourceManager rm,
MemoryResource tableResource) throws ResourceNotFreeException {
super(driver, tableResource);
parse(rm);
}
private final void parse(ResourceManager rm)
throws ResourceNotFreeException {
final int startOfTablePointers = 36;
final int tablesCount = (getSize() - startOfTablePointers) / 4;
final ResourceOwner owner = new SimpleResourceOwner(
"ACPI-RootSystemDescriptionTable");
for (int index = 0; index < tablesCount; index++) {
// log.debug("Handling RSDT index " + index + "/" + tablesCount);
try {
final int ptrOffset = startOfTablePointers + (index * 4);
final Address ptr = getAddress32(ptrOffset);
final AcpiTable table = AcpiTable.getTable(getDriver(), owner, rm, ptr);
if (table != null) {
addTable(table);
}
} catch (Exception ex) {
log.error("Error loading table " + index, ex);
}
}
}
}