Fix bug - bios writes must be enabled before max PCI bus detected.

The max pci bus is stored in the bios segment, so it must be writable.
So, use a default max size (1 pci bus) for the initial write enable
    device scan and then do the full max bus check after write is
    enabled.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/pci.c b/src/pci.c
index f586886..91a7ca5 100644
--- a/src/pci.c
+++ b/src/pci.c
@@ -49,7 +49,7 @@ u8 pci_config_readb(u16 bdf, u32 addr)
 }
 
 #if MODE16
-int MaxBDF VISIBLE16;
+int MaxBDF VISIBLE16 = 0x0100;
 #endif
 
 // Find the maximum bus number.