-/* PC hardware initialisation */
-static void s390_init(MachineState *machine)
-{
- ram_addr_t my_ram_size = machine->ram_size;
- MemoryRegion *sysmem = get_system_memory();
- MemoryRegion *ram = g_new(MemoryRegion, 1);
- int increment_size = 20;
- uint8_t *storage_keys;
- void *virtio_region;
- hwaddr virtio_region_len;
- hwaddr virtio_region_start;
-
- /*
- * The storage increment size is a multiple of 1M and is a power of 2.
- * The number of storage increments must be MAX_STORAGE_INCREMENTS or
- * fewer.
- */
- while ((my_ram_size >> increment_size) > MAX_STORAGE_INCREMENTS) {
- increment_size++;
- }
- my_ram_size = my_ram_size >> increment_size << increment_size;
-
- /* let's propagate the changed ram size into the global variable. */
- ram_size = my_ram_size;
-
- /* get a BUS */
- s390_bus = s390_virtio_bus_init(&my_ram_size);
- s390_sclp_init();
- s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline,
- machine->initrd_filename, ZIPL_FILENAME, false);
- s390_flic_init();
-
- /* register hypercalls */
- s390_virtio_register_hcalls();
-
- /* allocate RAM */
- memory_region_init_ram(ram, NULL, "s390.ram", my_ram_size, &error_abort);
- vmstate_register_ram_global(ram);
- memory_region_add_subregion(sysmem, 0, ram);
-
- /* clear virtio region */
- virtio_region_len = my_ram_size - ram_size;
- virtio_region_start = ram_size;
- virtio_region = cpu_physical_memory_map(virtio_region_start,
- &virtio_region_len, true);
- memset(virtio_region, 0, virtio_region_len);
- cpu_physical_memory_unmap(virtio_region, virtio_region_len, 1,
- virtio_region_len);
-
- /* allocate storage keys */
- storage_keys = g_malloc0(my_ram_size / TARGET_PAGE_SIZE);
-
- /* init CPUs */
- s390_init_cpus(machine->cpu_model, storage_keys);
-
- /* Create VirtIO network adapters */
- s390_create_virtio_net((BusState *)s390_bus, "virtio-net-s390");
-
- /* Register savevm handler for guest TOD clock */
- register_savevm(NULL, "todclock", 0, 1, gtod_save, gtod_load, NULL);
-}
-