moel@196: /*
moel@196:   
moel@196:   Version: MPL 1.1/GPL 2.0/LGPL 2.1
moel@196: 
moel@196:   The contents of this file are subject to the Mozilla Public License Version
moel@196:   1.1 (the "License"); you may not use this file except in compliance with
moel@196:   the License. You may obtain a copy of the License at
moel@196:  
moel@196:   http://www.mozilla.org/MPL/
moel@196: 
moel@196:   Software distributed under the License is distributed on an "AS IS" basis,
moel@196:   WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
moel@196:   for the specific language governing rights and limitations under the License.
moel@196: 
moel@196:   The Original Code is the Open Hardware Monitor code.
moel@196: 
moel@196:   The Initial Developer of the Original Code is 
moel@196:   Michael Möller <m.moeller@gmx.ch>.
moel@196:   Portions created by the Initial Developer are Copyright (C) 2009-2010
moel@196:   the Initial Developer. All Rights Reserved.
moel@196: 
moel@196:   Contributor(s):
moel@196: 
moel@196:   Alternatively, the contents of this file may be used under the terms of
moel@196:   either the GNU General Public License Version 2 or later (the "GPL"), or
moel@196:   the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
moel@196:   in which case the provisions of the GPL or the LGPL are applicable instead
moel@196:   of those above. If you wish to allow use of your version of this file only
moel@196:   under the terms of either the GPL or the LGPL, and not to allow others to
moel@196:   use your version of this file under the terms of the MPL, indicate your
moel@196:   decision by deleting the provisions above and replace them with the notice
moel@196:   and other provisions required by the GPL or the LGPL. If you do not delete
moel@196:   the provisions above, a recipient may use your version of this file under
moel@196:   the terms of any one of the MPL, the GPL or the LGPL.
moel@196:  
moel@196: */
moel@196: 
moel@196: namespace OpenHardwareMonitor.Hardware.CPU {
moel@196: 
moel@196:   internal abstract class AMDCPU : GenericCPU {
moel@196: 
moel@196:     private const byte PCI_BUS = 0;
moel@271:     private const byte PCI_BASE_DEVICE = 0x18;
moel@196:     private const byte DEVICE_VENDOR_ID_REGISTER = 0;
moel@196:     private const ushort AMD_VENDOR_ID = 0x1022;
moel@196: 
moel@196:     public AMDCPU(int processorIndex, CPUID[][] cpuid, ISettings settings)
moel@196:       : base(processorIndex, cpuid, settings) { }
moel@196: 
moel@196:     protected uint GetPciAddress(byte function, ushort deviceId) {
moel@197:       
moel@197:       // assemble the pci address
moel@236:       uint address = Ring0.GetPciAddress(PCI_BUS,
moel@196:         (byte)(PCI_BASE_DEVICE + processorIndex), function);
moel@196: 
moel@197:       // verify that we have the correct bus, device and function
moel@196:       uint deviceVendor;
moel@236:       if (!Ring0.ReadPciConfig(
moel@196:         address, DEVICE_VENDOR_ID_REGISTER, out deviceVendor))
moel@236:         return Ring0.InvalidPciAddress;
moel@197:       
moel@196:       if (deviceVendor != (deviceId << 16 | AMD_VENDOR_ID))
moel@236:         return Ring0.InvalidPciAddress;
moel@196: 
moel@196:       return address;
moel@196:     }
moel@196: 
moel@196:   }
moel@196: }