dev, virtio: properly set PCI address space to use IOREG

VirtIO spec < 1.0 demands IOREG to be used on PCI and not memory mapped.
Set the correct bit on the PCI address accordingly.

Committed by Jason Lowe-Power <power.jg@gmail.com>

diff --git a/src/dev/virtio/VirtIO.py b/src/dev/virtio/VirtIO.py
index 81bf6e3b8e48e664f98bc3fa2be4c38d274ed537..1345c7603dc43051b504d629a018a4d68b6d447e 100644 (file)
--- a/src/dev/virtio/VirtIO.py
+++ b/src/dev/virtio/VirtIO.py
@@ -65,7 +65,7 @@ class PciVirtIO(PciDevice):
 
     ClassCode = 0xff # Misc device
 
-    BAR0 = 0x00000000 # Anywhere in 32-bit space
+    BAR0 = 0x00000001 # Anywhere in 32-bit space; IOREG
     BAR0Size = '0B' # Overridden by the device model
 
     InterruptPin = 0x01 # Use #INTA