static void lm32_evr_init(QEMUMachineInitArgs *args) { const char *cpu_model = args->cpu_model; const char *kernel_filename = args->kernel_filename; LM32CPU *cpu; CPULM32State *env; DriveInfo *dinfo; MemoryRegion *address_space_mem = get_system_memory(); MemoryRegion *phys_ram = g_new(MemoryRegion, 1); qemu_irq *cpu_irq, irq[32]; ResetInfo *reset_info; int i; /* memory map */ target_phys_addr_t flash_base = 0x04000000; size_t flash_sector_size = 256 * 1024; size_t flash_size = 32 * 1024 * 1024; target_phys_addr_t ram_base = 0x08000000; size_t ram_size = 64 * 1024 * 1024; target_phys_addr_t timer0_base = 0x80002000; target_phys_addr_t uart0_base = 0x80006000; target_phys_addr_t timer1_base = 0x8000a000; int uart0_irq = 0; int timer0_irq = 1; int timer1_irq = 3; reset_info = g_malloc0(sizeof(ResetInfo)); if (cpu_model == NULL) { cpu_model = "lm32-full"; } cpu = cpu_lm32_init(cpu_model); env = &cpu->env; reset_info->cpu = cpu; reset_info->flash_base = flash_base; memory_region_init_ram(phys_ram, "lm32_evr.sdram", ram_size); vmstate_register_ram_global(phys_ram); memory_region_add_subregion(address_space_mem, ram_base, phys_ram); dinfo = drive_get(IF_PFLASH, 0, 0); /* Spansion S29NS128P */ pflash_cfi02_register(flash_base, NULL, "lm32_evr.flash", flash_size, dinfo ? dinfo->bdrv : NULL, flash_sector_size, flash_size / flash_sector_size, 1, 2, 0x01, 0x7e, 0x43, 0x00, 0x555, 0x2aa, 1); /* create irq lines */ cpu_irq = qemu_allocate_irqs(cpu_irq_handler, env, 1); env->pic_state = lm32_pic_init(*cpu_irq); for (i = 0; i < 32; i++) { irq[i] = qdev_get_gpio_in(env->pic_state, i); } sysbus_create_simple("lm32-uart", uart0_base, irq[uart0_irq]); sysbus_create_simple("lm32-timer", timer0_base, irq[timer0_irq]); sysbus_create_simple("lm32-timer", timer1_base, irq[timer1_irq]); /* make sure juart isn't the first chardev */ env->juart_state = lm32_juart_init(); reset_info->bootstrap_pc = flash_base; if (kernel_filename) { uint64_t entry; int kernel_size; kernel_size = load_elf(kernel_filename, NULL, NULL, &entry, NULL, NULL, 1, ELF_MACHINE, 0); reset_info->bootstrap_pc = entry; if (kernel_size < 0) { kernel_size = load_image_targphys(kernel_filename, ram_base, ram_size); reset_info->bootstrap_pc = ram_base; } if (kernel_size < 0) { fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename); exit(1); } } qemu_register_reset(main_cpu_reset, reset_info); }