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Diffstat (limited to 'hw/mips/mips_r4k.c')
-rw-r--r--hw/mips/mips_r4k.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/hw/mips/mips_r4k.c b/hw/mips/mips_r4k.c
index 258cd91578..ad8b75e286 100644
--- a/hw/mips/mips_r4k.c
+++ b/hw/mips/mips_r4k.c
@@ -237,9 +237,8 @@ void mips_r4k_init(MachineState *machine)
     dinfo = drive_get(IF_PFLASH, 0, 0);
     if ((bios_size > 0) && (bios_size <= BIOS_SIZE)) {
         bios = g_new(MemoryRegion, 1);
-        memory_region_init_ram(bios, NULL, "mips_r4k.bios", BIOS_SIZE,
+        memory_region_init_rom(bios, NULL, "mips_r4k.bios", BIOS_SIZE,
                                &error_fatal);
-        memory_region_set_readonly(bios, true);
         memory_region_add_subregion(get_system_memory(), 0x1fc00000, bios);
 
         load_image_targphys(filename, 0x1fc00000, BIOS_SIZE);