static void leon3_generic_hw_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; SPARCCPU *cpu; CPUSPARCState *env; MemoryRegion *address_space_mem = get_system_memory(); MemoryRegion *ram = g_new(MemoryRegion, 1); MemoryRegion *prom = g_new(MemoryRegion, 1); int ret; char *filename; qemu_irq *cpu_irqs = NULL; int bios_size; int prom_size; ResetData *reset_info; /* Init CPU */ if (!cpu_model) { cpu_model = "LEON3"; } cpu = cpu_sparc_init(cpu_model); if (cpu == NULL) { fprintf(stderr, "qemu: Unable to find Sparc CPU definition\n"); exit(1); } env = &cpu->env; cpu_sparc_set_id(env, 0); /* Reset data */ reset_info = g_malloc0(sizeof(ResetData)); reset_info->cpu = cpu; reset_info->sp = 0x40000000 + ram_size; qemu_register_reset(main_cpu_reset, reset_info); /* Allocate IRQ manager */ grlib_irqmp_create(0x80000200, env, &cpu_irqs, MAX_PILS, &leon3_set_pil_in); env->qemu_irq_ack = leon3_irq_manager; /* Allocate RAM */ if ((uint64_t)ram_size > (1UL << 30)) { fprintf(stderr, "qemu: Too much memory for this machine: %d, maximum 1G\n", (unsigned int)(ram_size / (1024 * 1024))); exit(1); } memory_region_init_ram(ram, NULL, "leon3.ram", ram_size, &error_abort); vmstate_register_ram_global(ram); memory_region_add_subregion(address_space_mem, 0x40000000, ram); /* Allocate BIOS */ prom_size = 8 * 1024 * 1024; /* 8Mb */ memory_region_init_ram(prom, NULL, "Leon3.bios", prom_size, &error_abort); vmstate_register_ram_global(prom); memory_region_set_readonly(prom, true); memory_region_add_subregion(address_space_mem, 0x00000000, prom); /* Load boot prom */ if (bios_name == NULL) { bios_name = PROM_FILENAME; } filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); bios_size = get_image_size(filename); if (bios_size > prom_size) { fprintf(stderr, "qemu: could not load prom '%s': file too big\n", filename); exit(1); } if (bios_size > 0) { ret = load_image_targphys(filename, 0x00000000, bios_size); if (ret < 0 || ret > prom_size) { fprintf(stderr, "qemu: could not load prom '%s'\n", filename); exit(1); } } else if (kernel_filename == NULL && !qtest_enabled()) { fprintf(stderr, "Can't read bios image %s\n", filename); exit(1); } /* Can directly load an application. */ if (kernel_filename != NULL) { long kernel_size; uint64_t entry; kernel_size = load_elf(kernel_filename, NULL, NULL, &entry, NULL, NULL, 1 /* big endian */, ELF_MACHINE, 0); if (kernel_size < 0) { fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename); exit(1); } if (bios_size <= 0) { /* If there is no bios/monitor, start the application. */ env->pc = entry; env->npc = entry + 4; reset_info->entry = entry; } } /* Allocate timers */ grlib_gptimer_create(0x80000300, 2, CPU_CLK, cpu_irqs, 6); /* Allocate uart */ if (serial_hds[0]) { grlib_apbuart_create(0x80000100, serial_hds[0], cpu_irqs[3]); } }