Correctly program BAR addresses of PCI devices

Note that offsets are PReP ones, so this breaks compatibility
with hardware which has different values.

Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Andreas Färber <andreas.faerber@web.de>

1 files changed, 6 insertions, 1 deletions

diff --git a/src/pci.c b/src/pci.c
index 38aad27..d917370 100644
--- a/src/pci.c
+++ b/src/pci.c
@@ -1723,8 +1723,13 @@ static inline void pci_update_device (pci_bridge_t *bridge,
                 addr = 0x30; /* PCI ROM */
             else
                 addr = 0x10 + (i * sizeof(uint32_t));
+            if (device->regions[i] & 0x00000001) {
             pci_config_writel(bridge, device->bus, device->devfn,
-                              addr, device->regions[i]);
+                              addr, device->regions[i] - 0x80000000);
+            } else {
+            pci_config_writel(bridge, device->bus, device->devfn,
+                              addr, device->regions[i] - 0xc0000000);
+            }
         }
     }
 }