static void an5206_init(MachineState *machine) { ram_addr_t ram_size = machine->ram_size; const char *cpu_model = machine->cpu_model; const char *kernel_filename = machine->kernel_filename; M68kCPU *cpu; CPUM68KState *env; int kernel_size; uint64_t elf_entry; hwaddr entry; MemoryRegion *address_space_mem = get_system_memory(); MemoryRegion *ram = g_new(MemoryRegion, 1); MemoryRegion *sram = g_new(MemoryRegion, 1); if (!cpu_model) { cpu_model = "m5206"; } cpu = M68K_CPU(cpu_generic_init(TYPE_M68K_CPU, cpu_model)); env = &cpu->env; /* Initialize CPU registers. */ env->vbr = 0; /* TODO: allow changing MBAR and RAMBAR. */ env->mbar = AN5206_MBAR_ADDR | 1; env->rambar0 = AN5206_RAMBAR_ADDR | 1; /* DRAM at address zero */ memory_region_allocate_system_memory(ram, NULL, "an5206.ram", ram_size); memory_region_add_subregion(address_space_mem, 0, ram); /* Internal SRAM. */ memory_region_init_ram(sram, NULL, "an5206.sram", 512, &error_fatal); memory_region_add_subregion(address_space_mem, AN5206_RAMBAR_ADDR, sram); mcf5206_init(address_space_mem, AN5206_MBAR_ADDR, cpu); /* Load kernel. */ if (!kernel_filename) { if (qtest_enabled()) { return; } fprintf(stderr, "Kernel image must be specified\n"); exit(1); } kernel_size = load_elf(kernel_filename, NULL, NULL, &elf_entry, NULL, NULL, 1, EM_68K, 0, 0); entry = elf_entry; if (kernel_size < 0) { kernel_size = load_uimage(kernel_filename, &entry, NULL, NULL, NULL, NULL); } if (kernel_size < 0) { kernel_size = load_image_targphys(kernel_filename, KERNEL_LOAD_ADDR, ram_size - KERNEL_LOAD_ADDR); entry = KERNEL_LOAD_ADDR; } if (kernel_size < 0) { fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename); exit(1); } env->pc = entry; }