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Diffstat (limited to 'hw/mips/mips_mipssim.c')
-rw-r--r--hw/mips/mips_mipssim.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/hw/mips/mips_mipssim.c b/hw/mips/mips_mipssim.c
index b2555ddb89..d220318939 100644
--- a/hw/mips/mips_mipssim.c
+++ b/hw/mips/mips_mipssim.c
@@ -165,9 +165,8 @@ mips_mipssim_init(MachineState *machine)
     qemu_register_reset(main_cpu_reset, reset_info);
 
     /* Allocate RAM. */
-    memory_region_init_ram(bios, NULL, "mips_mipssim.bios", BIOS_SIZE,
+    memory_region_init_rom(bios, NULL, "mips_mipssim.bios", BIOS_SIZE,
                            &error_fatal);
-    memory_region_set_readonly(bios, true);
 
     memory_region_add_subregion(address_space_mem, 0, machine->ram);