[Qemu-devel] [PATCH] bios: Use a different mask to size the option ROM BAR

[Alex Williamson]

Bit 0 is the enable bit, which we not only don't want to set, but
it will stick and make us think it's an I/O port resource.

Signed-off-by: Alex Williamson <address@hidden>
---

 bios/rombios32.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/bios/rombios32.c b/bios/rombios32.c
index 269f175..616e70a 100644
--- a/bios/rombios32.c
+++ b/bios/rombios32.c
@@ -948,11 +948,13 @@ static void pci_bios_init_device(PCIDevice *d)
             int ofs;
             uint32_t val, size ;
 
-            if (i == PCI_ROM_SLOT)
+            if (i == PCI_ROM_SLOT) {
                 ofs = 0x30;
-            else
+                pci_config_writel(d, ofs, 0xfffffffe);
+            } else {
                 ofs = 0x10 + i * 4;
-            pci_config_writel(d, ofs, 0xffffffff);
+                pci_config_writel(d, ofs, 0xffffffff);
+            }
             val = pci_config_readl(d, ofs);
             if (val != 0) {
                 size = (~(val & ~0xf)) + 1;