1 files changed, 13 insertions, 0 deletions
diff --git a/src/fw/paravirt.c b/src/fw/paravirt.c
index e5d4eca0..6428a703 100644
--- a/src/fw/paravirt.c
+++ b/src/fw/paravirt.c
@@ -718,6 +718,19 @@ void qemu_cfg_init(void)
         dprintf(1, "Moving pm_base to 0x%x\n", acpi_pm_base);
     }
 
+    // 64-bit pci mmio window
+    char *hint = romfile_loadfile("opt/org.seabios/pci64", NULL);
+    if (hint) {
+        if (0 == strcmp(hint, "0")  ||
+            0 == strcmp(hint, "no") ||
+            0 == strcmp(hint, "off"))
+            pci_pad_mem64 = 0;
+        if (0 == strcmp(hint, "1")   ||
+            0 == strcmp(hint, "yes") ||
+            0 == strcmp(hint, "on"))
+            pci_pad_mem64 = 1;
+    }
+
     // serial console
     u16 nogfx = 0;
     qemu_cfg_read_entry(&nogfx, QEMU_CFG_NOGRAPHIC, sizeof(nogfx));