예제 #1
0
파일: openrisc_sim.c 프로젝트: Jokymon/qemu
static void openrisc_sim_init(QEMUMachineInitArgs *args)
{
    ram_addr_t ram_size = args->ram_size;
    const char *cpu_model = args->cpu_model;
    const char *kernel_filename = args->kernel_filename;
   OpenRISCCPU *cpu = NULL;
    MemoryRegion *ram;
    int n;

    if (!cpu_model) {
        cpu_model = "or1200";
    }

    for (n = 0; n < smp_cpus; n++) {
        cpu = cpu_openrisc_init(cpu_model);
        if (cpu == NULL) {
            qemu_log("Unable to find CPU defineition!\n");
            exit(1);
        }
        qemu_register_reset(main_cpu_reset, cpu);
        main_cpu_reset(cpu);
    }

    ram = g_malloc(sizeof(*ram));
    memory_region_init_ram(ram, "openrisc.ram", ram_size);
    vmstate_register_ram_global(ram);
    memory_region_add_subregion(get_system_memory(), 0, ram);

    cpu_openrisc_pic_init(cpu);
    cpu_openrisc_clock_init(cpu);

    serial_mm_init(get_system_memory(), 0x90000000, 0, cpu->env.irq[2],
                   115200, serial_hds[0], DEVICE_NATIVE_ENDIAN);

    if (nd_table[0].used) {
        openrisc_sim_net_init(get_system_memory(), 0x92000000,
                              0x92000400, cpu->env.irq[4], nd_table);
    }

    cpu_openrisc_load_kernel(ram_size, kernel_filename, cpu);
}
예제 #2
0
파일: sun4u.c 프로젝트: flamenca/winqemu
static void sun4uv_init(ram_addr_t RAM_size, int vga_ram_size,
                        const char *boot_devices,
                        const char *kernel_filename, const char *kernel_cmdline,
                        const char *initrd_filename, const char *cpu_model,
                        const struct hwdef *hwdef)
{
    CPUState *env;
    char buf[1024];
    m48t59_t *nvram;
    int ret, linux_boot;
    unsigned int i;
    ram_addr_t ram_offset, prom_offset, vga_ram_offset;
    long initrd_size, kernel_size;
    PCIBus *pci_bus, *pci_bus2, *pci_bus3;
    QEMUBH *bh;
    qemu_irq *irq;
    int drive_index;
    BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
    BlockDriverState *fd[MAX_FD];
    void *fw_cfg;
    ResetData *reset_info;

    linux_boot = (kernel_filename != NULL);

    /* init CPUs */
    if (!cpu_model)
        cpu_model = hwdef->default_cpu_model;

    env = cpu_init(cpu_model);
    if (!env) {
        fprintf(stderr, "Unable to find Sparc CPU definition\n");
        exit(1);
    }
    bh = qemu_bh_new(tick_irq, env);
    env->tick = ptimer_init(bh);
    ptimer_set_period(env->tick, 1ULL);

    bh = qemu_bh_new(stick_irq, env);
    env->stick = ptimer_init(bh);
    ptimer_set_period(env->stick, 1ULL);

    bh = qemu_bh_new(hstick_irq, env);
    env->hstick = ptimer_init(bh);
    ptimer_set_period(env->hstick, 1ULL);

    reset_info = qemu_mallocz(sizeof(ResetData));
    reset_info->env = env;
    reset_info->reset_addr = hwdef->prom_addr + 0x40ULL;
    qemu_register_reset(main_cpu_reset, reset_info);
    main_cpu_reset(reset_info);
    // Override warm reset address with cold start address
    env->pc = hwdef->prom_addr + 0x20ULL;
    env->npc = env->pc + 4;

    /* allocate RAM */
    ram_offset = qemu_ram_alloc(RAM_size);
    cpu_register_physical_memory(0, RAM_size, ram_offset);

    prom_offset = qemu_ram_alloc(PROM_SIZE_MAX);
    cpu_register_physical_memory(hwdef->prom_addr,
                                 (PROM_SIZE_MAX + TARGET_PAGE_SIZE) &
                                 TARGET_PAGE_MASK,
                                 prom_offset | IO_MEM_ROM);

    if (bios_name == NULL)
        bios_name = PROM_FILENAME;
    snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
    ret = load_elf(buf, hwdef->prom_addr - PROM_VADDR, NULL, NULL, NULL);
    if (ret < 0) {
        ret = load_image_targphys(buf, hwdef->prom_addr,
                                  (PROM_SIZE_MAX + TARGET_PAGE_SIZE) &
                                  TARGET_PAGE_MASK);
        if (ret < 0) {
            fprintf(stderr, "qemu: could not load prom '%s'\n",
                    buf);
            exit(1);
        }
    }

    kernel_size = 0;
    initrd_size = 0;
    if (linux_boot) {
        /* XXX: put correct offset */
        kernel_size = load_elf(kernel_filename, 0, NULL, NULL, NULL);
        if (kernel_size < 0)
            kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
                                    ram_size - KERNEL_LOAD_ADDR);
        if (kernel_size < 0)
            kernel_size = load_image_targphys(kernel_filename,
                                              KERNEL_LOAD_ADDR,
                                              ram_size - KERNEL_LOAD_ADDR);
        if (kernel_size < 0) {
            fprintf(stderr, "qemu: could not load kernel '%s'\n",
                    kernel_filename);
            exit(1);
        }

        /* load initrd */
        if (initrd_filename) {
            initrd_size = load_image_targphys(initrd_filename,
                                              INITRD_LOAD_ADDR,
                                              ram_size - INITRD_LOAD_ADDR);
            if (initrd_size < 0) {
                fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
                        initrd_filename);
                exit(1);
            }
        }
        if (initrd_size > 0) {
            for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
                if (ldl_phys(KERNEL_LOAD_ADDR + i) == 0x48647253) { // HdrS
                    stl_phys(KERNEL_LOAD_ADDR + i + 16, INITRD_LOAD_ADDR);
                    stl_phys(KERNEL_LOAD_ADDR + i + 20, initrd_size);
                    break;
                }
            }
        }
    }
    pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, NULL, &pci_bus2,
                           &pci_bus3);
    isa_mem_base = VGA_BASE;
    vga_ram_offset = qemu_ram_alloc(vga_ram_size);
    pci_vga_init(pci_bus, phys_ram_base + vga_ram_offset,
                 vga_ram_offset, vga_ram_size,
                 0, 0);

    // XXX Should be pci_bus3
    pci_ebus_init(pci_bus, -1);

    i = 0;
    if (hwdef->console_serial_base) {
        serial_mm_init(hwdef->console_serial_base, 0, NULL, 115200,
                       serial_hds[i], 1);
        i++;
    }
    for(; i < MAX_SERIAL_PORTS; i++) {
        if (serial_hds[i]) {
            serial_init(serial_io[i], NULL/*serial_irq[i]*/, 115200,
                        serial_hds[i]);
        }
    }

    for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
        if (parallel_hds[i]) {
            parallel_init(parallel_io[i], NULL/*parallel_irq[i]*/,
                          parallel_hds[i]);
        }
    }

    for(i = 0; i < nb_nics; i++)
        pci_nic_init(pci_bus, &nd_table[i], -1, "ne2k_pci");

    irq = qemu_allocate_irqs(cpu_set_irq, env, MAX_PILS);
    if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
        fprintf(stderr, "qemu: too many IDE bus\n");
        exit(1);
    }
    for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
        drive_index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS,
                                      i % MAX_IDE_DEVS);
       if (drive_index != -1)
           hd[i] = drives_table[drive_index].bdrv;
       else
           hd[i] = NULL;
    }

    pci_cmd646_ide_init(pci_bus, hd, 1);

    /* FIXME: wire up interrupts.  */
    i8042_init(NULL/*1*/, NULL/*12*/, 0x60);
    for(i = 0; i < MAX_FD; i++) {
        drive_index = drive_get_index(IF_FLOPPY, 0, i);
       if (drive_index != -1)
           fd[i] = drives_table[drive_index].bdrv;
       else
           fd[i] = NULL;
    }
    floppy_controller = fdctrl_init(NULL/*6*/, 2, 0, 0x3f0, fd);
    nvram = m48t59_init(NULL/*8*/, 0, 0x0074, NVRAM_SIZE, 59);
    sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", RAM_size, boot_devices,
                           KERNEL_LOAD_ADDR, kernel_size,
                           kernel_cmdline,
                           INITRD_LOAD_ADDR, initrd_size,
                           /* XXX: need an option to load a NVRAM image */
                           0,
                           graphic_width, graphic_height, graphic_depth,
                           (uint8_t *)&nd_table[0].macaddr);

    fw_cfg = fw_cfg_init(BIOS_CFG_IOPORT, BIOS_CFG_IOPORT + 1, 0, 0);
    fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
    fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
    fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
}