2 * Dummy board with just RAM and CPU for use as an ISS.
4 * Copyright (c) 2007 CodeSourcery.
6 * This code is licensed under the GPL
13 #include "exec/address-spaces.h"
15 #define KERNEL_LOAD_ADDR 0x10000
19 static void dummy_m68k_init(QEMUMachineInitArgs *args)
21 ram_addr_t ram_size = args->ram_size;
22 const char *cpu_model = args->cpu_model;
23 const char *kernel_filename = args->kernel_filename;
25 MemoryRegion *address_space_mem = get_system_memory();
26 MemoryRegion *ram = g_new(MemoryRegion, 1);
33 env = cpu_init(cpu_model);
35 fprintf(stderr, "Unable to find m68k CPU definition\n");
39 /* Initialize CPU registers. */
42 /* RAM at address zero */
43 memory_region_init_ram(ram, "dummy_m68k.ram", ram_size);
44 vmstate_register_ram_global(ram);
45 memory_region_add_subregion(address_space_mem, 0, ram);
48 if (kernel_filename) {
49 kernel_size = load_elf(kernel_filename, NULL, NULL, &elf_entry,
50 NULL, NULL, 1, ELF_MACHINE, 0);
52 if (kernel_size < 0) {
53 kernel_size = load_uimage(kernel_filename, &entry, NULL, NULL);
55 if (kernel_size < 0) {
56 kernel_size = load_image_targphys(kernel_filename,
58 ram_size - KERNEL_LOAD_ADDR);
59 entry = KERNEL_LOAD_ADDR;
61 if (kernel_size < 0) {
62 fprintf(stderr, "qemu: could not load kernel '%s'\n",
72 static QEMUMachine dummy_m68k_machine = {
74 .desc = "Dummy board",
75 .init = dummy_m68k_init,
78 static void dummy_m68k_machine_init(void)
80 qemu_register_machine(&dummy_m68k_machine);
83 machine_init(dummy_m68k_machine_init);