/*
* $Id$
*
* 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;
/**
* GenericAddress.
* <p/>
* <p>Title: </p>
* <p>Description: </p>
* <p>Licence: GNU LGPL</p>
* <p> </p>
*
* @author Francois-Frederic Ozog
* @version 1.0
*/
public class GenericAddress {
byte addressSpace;
byte width;
byte offset;
long address;
public static final byte SYSTEM_MEMORY = 0;
public static final byte SYSTEM_IO = 1;
public static final byte PCI = 2;
public static final byte EMBEDED_CONTROLER = 3;
public static final byte SMBUS = 4;
public static final byte FIXED_HARDWARE = (byte) 0x7ff;
public GenericAddress(byte[] data) {
addressSpace = data[0];
width = data[1];
offset = data[2];
// byte 3 is reserved and should be 0
address = 0;
for (int i = 4; i < 12; i++) {
address <<= 8;
address += data[i] & 0xff;
}
}
public String toString() {
String space;
String add;
switch (addressSpace) {
case SYSTEM_MEMORY:
space = "Memory";
add = Long.toHexString(address);
break;
case SYSTEM_IO:
space = "IO";
add = Long.toHexString(address);
break;
case PCI:
space = "PCI";
int device = (int) ((address & 0xff00000000L) >> 24);
int offset = (int) ((address & 0xffffL));
int function = (int) ((address & 0xffff0000L) >> 16);
add = "Bus(0)Device(" + device + ")Function(" + function + ")Offset(" + offset + ')';
break;
case EMBEDED_CONTROLER:
space = "Controler";
add = Long.toHexString(address);
break;
case SMBUS:
space = "SMBus";
add = Long.toHexString(address);
break;
case FIXED_HARDWARE:
space = "Hardware";
add = Long.toHexString(address);
break;
default:
space = "addressSpace-" + Integer.toHexString(addressSpace & 0xff);
add = Long.toHexString(address);
break;
}
return '<' + space + ':' + add + '/' + width + ',' + offset + '>';
}
}