X86: Get PCI config space to work, and adjust address space prefix numbering scheme.

--HG--
extra : convert_revision : 2b382f478ee8cde3a35aa4c105196f200bc7afa6

src/dev/x86/Opteron.py

@@ -3,8 +3,16 @@ from m5.proxy import *
 from Device import BasicPioDevice, PioDevice, IsaFake, BadAddr
 from Uart import Uart8250
 from Platform import Platform
+from Pci import PciConfigAll
 from SimConsole import SimConsole
 
 class Opteron(Platform):
     type = 'Opteron'
     system = Param.System(Parent.any, "system")
+
+    pciconfig = PciConfigAll()
+
+    def attachIO(self, bus):
+        self.pciconfig.pio = bus.default
+        bus.responder_set = True
+        bus.responder = self.pciconfig

src/dev/x86/opteron.cc

@@ -36,6 +36,7 @@
 #include <string>
 #include <vector>
 
+#include "arch/x86/x86_traits.hh"
 #include "cpu/intr_control.hh"
 #include "dev/simconsole.hh"
 #include "dev/x86/opteron.hh"
@@ -95,8 +96,10 @@ Opteron::pciToDma(Addr pciAddr) const
 Addr
 Opteron::calcConfigAddr(int bus, int dev, int func)
 {
-    panic("Need implementation\n");
-    M5_DUMMY_RETURN
+    assert(func < 8);
+    assert(dev < 32);
+    assert(bus == 0);
+    return (PhysAddrPrefixPciConfig | (func << 8) | (dev << 11));
 }
 
 Opteron *