diff options
| -rw-r--r-- | hw/i386/pc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 22e16031b0..59435390ba 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1443,6 +1443,9 @@ void pc_memory_init(PCMachineState *pcms, option_rom_mr = g_malloc(sizeof(*option_rom_mr)); memory_region_init_ram(option_rom_mr, NULL, "pc.rom", PC_ROM_SIZE, &error_fatal); + if (pcmc->pci_enabled) { + memory_region_set_readonly(option_rom_mr, true); + } memory_region_add_subregion_overlap(rom_memory, PC_ROM_MIN_VGA, option_rom_mr, |