static void lm32_evr_init(MachineState *machine) { const char *cpu_model = machine->cpu_model; const char *kernel_filename = machine->kernel_filename; LM32CPU *cpu; CPULM32State *env; DriveInfo *dinfo; MemoryRegion *address_space_mem = get_system_memory(); MemoryRegion *phys_ram = g_new(MemoryRegion, 1); qemu_irq irq[32]; ResetInfo *reset_info; int i; /* memory map */ hwaddr flash_base = 0x04000000; size_t flash_sector_size = 256 * 1024; size_t flash_size = 32 * 1024 * 1024; hwaddr ram_base = 0x08000000; size_t ram_size = 64 * 1024 * 1024; hwaddr timer0_base = 0x80002000; hwaddr uart0_base = 0x80006000; hwaddr 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 = LM32_CPU(cpu_generic_init(TYPE_LM32_CPU, cpu_model)); if (cpu == NULL) { fprintf(stderr, "qemu: unable to find CPU '%s'\n", cpu_model); exit(1); } env = &cpu->env; reset_info->cpu = cpu; reset_info->flash_base = flash_base; memory_region_allocate_system_memory(phys_ram, NULL, "lm32_evr.sdram", ram_size); 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 ? blk_by_legacy_dinfo(dinfo) : NULL, flash_sector_size, flash_size / flash_sector_size, 1, 2, 0x01, 0x7e, 0x43, 0x00, 0x555, 0x2aa, 1); /* create irq lines */ env->pic_state = lm32_pic_init(qemu_allocate_irq(cpu_irq_handler, cpu, 0)); for (i = 0; i < 32; i++) { irq[i] = qdev_get_gpio_in(env->pic_state, i); } lm32_uart_create(uart0_base, irq[uart0_irq], serial_hds[0]); 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(serial_hds[1]); 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, EM_LATTICEMICO32, 0, 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); }