예제 #1
0
파일: pc.c 프로젝트: pleed/pyqemu
void pc_basic_device_init(qemu_irq *isa_irq,
                          FDCtrl **floppy_controller,
                          ISADevice **rtc_state)
{
    int i;
    DriveInfo *fd[MAX_FD];
    PITState *pit;
    qemu_irq rtc_irq = NULL;
    qemu_irq *a20_line;
    ISADevice *i8042;
    qemu_irq *cpu_exit_irq;

    register_ioport_write(0x80, 1, 1, ioport80_write, NULL);

    register_ioport_write(0xf0, 1, 1, ioportF0_write, NULL);

    if (!no_hpet) {
        DeviceState *hpet = sysbus_create_simple("hpet", HPET_BASE, NULL);

        for (i = 0; i < 24; i++) {
            sysbus_connect_irq(sysbus_from_qdev(hpet), i, isa_irq[i]);
        }
        rtc_irq = qdev_get_gpio_in(hpet, 0);
    }
    *rtc_state = rtc_init(2000, rtc_irq);

    qemu_register_boot_set(pc_boot_set, *rtc_state);

    pit = pit_init(0x40, isa_reserve_irq(0));
    pcspk_init(pit);

    for(i = 0; i < MAX_SERIAL_PORTS; i++) {
        if (serial_hds[i]) {
            serial_isa_init(i, serial_hds[i]);
        }
    }

    for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
        if (parallel_hds[i]) {
            parallel_init(i, parallel_hds[i]);
        }
    }

    a20_line = qemu_allocate_irqs(handle_a20_line_change, first_cpu, 1);
    i8042 = isa_create_simple("i8042");
    i8042_setup_a20_line(i8042, a20_line);
    vmmouse_init(i8042);

    cpu_exit_irq = qemu_allocate_irqs(cpu_request_exit, NULL, 1);
    DMA_init(0, cpu_exit_irq);

    for(i = 0; i < MAX_FD; i++) {
        fd[i] = drive_get(IF_FLOPPY, 0, i);
    }
    *floppy_controller = fdctrl_init_isa(fd);
}
예제 #2
0
void serial_hds_isa_init(ISABus *bus, int n)
{
    int i;

    assert(n <= MAX_SERIAL_PORTS);

    for (i = 0; i < n; ++i) {
        if (serial_hds[i]) {
            serial_isa_init(bus, i, serial_hds[i]);
        }
    }
}
예제 #3
0
static void sun4uv_init(MemoryRegion *address_space_mem,
                        ram_addr_t 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)
{
    SPARCCPU *cpu;
    M48t59State *nvram;
    unsigned int i;
    uint64_t initrd_addr, initrd_size, kernel_addr, kernel_size, kernel_entry;
    PCIBus *pci_bus, *pci_bus2, *pci_bus3;
    ISABus *isa_bus;
    qemu_irq *ivec_irqs, *pbm_irqs;
    DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
    DriveInfo *fd[MAX_FD];
    void *fw_cfg;

    /* init CPUs */
    cpu = cpu_devinit(cpu_model, hwdef);

    /* set up devices */
    ram_init(0, RAM_size);

    prom_init(hwdef->prom_addr, bios_name);

    ivec_irqs = qemu_allocate_irqs(cpu_set_ivec_irq, cpu, IVEC_MAX);
    pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, ivec_irqs, &pci_bus2,
                           &pci_bus3, &pbm_irqs);
    pci_vga_init(pci_bus);

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

    i = 0;
    if (hwdef->console_serial_base) {
        serial_mm_init(address_space_mem, hwdef->console_serial_base, 0,
                       NULL, 115200, serial_hds[i], DEVICE_BIG_ENDIAN);
        i++;
    }
    for(; i < MAX_SERIAL_PORTS; i++) {
        if (serial_hds[i]) {
            serial_isa_init(isa_bus, i, serial_hds[i]);
        }
    }

    for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
        if (parallel_hds[i]) {
            parallel_init(isa_bus, i, parallel_hds[i]);
        }
    }

    for(i = 0; i < nb_nics; i++)
        pci_nic_init_nofail(&nd_table[i], "ne2k_pci", NULL);

    ide_drive_get(hd, MAX_IDE_BUS);

    pci_cmd646_ide_init(pci_bus, hd, 1);

    isa_create_simple(isa_bus, "i8042");
    for(i = 0; i < MAX_FD; i++) {
        fd[i] = drive_get(IF_FLOPPY, 0, i);
    }
    fdctrl_init_isa(isa_bus, fd);
    nvram = m48t59_init_isa(isa_bus, 0x0074, NVRAM_SIZE, 59);

    initrd_size = 0;
    initrd_addr = 0;
    kernel_size = sun4u_load_kernel(kernel_filename, initrd_filename,
                                    ram_size, &initrd_size, &initrd_addr,
                                    &kernel_addr, &kernel_entry);

    sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", RAM_size, boot_devices,
                           kernel_addr, kernel_size,
                           kernel_cmdline,
                           initrd_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);
    fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_entry);
    fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
    if (kernel_cmdline) {
        fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
                       strlen(kernel_cmdline) + 1);
        fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, kernel_cmdline);
    } else {
        fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0);
    }
    fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr);
    fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
    fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, boot_devices[0]);

    fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_WIDTH, graphic_width);
    fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_HEIGHT, graphic_height);
    fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_DEPTH, graphic_depth);

    qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
}
예제 #4
0
static
void mips_r4k_init (ram_addr_t ram_size,
                    const char *boot_device,
                    const char *kernel_filename, const char *kernel_cmdline,
                    const char *initrd_filename, const char *cpu_model)
{
    char *filename;
    ram_addr_t ram_offset;
    ram_addr_t bios_offset;
    int bios_size;
    CPUState *env;
    ResetData *reset_info;
    int i;
    qemu_irq *i8259;
    DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
    DriveInfo *dinfo;
    int be;

    /* init CPUs */
    if (cpu_model == NULL) {
#ifdef TARGET_MIPS64
        cpu_model = "R4000";
#else
        cpu_model = "24Kf";
#endif
    }
    env = cpu_init(cpu_model);
    if (!env) {
        fprintf(stderr, "Unable to find CPU definition\n");
        exit(1);
    }
    reset_info = qemu_mallocz(sizeof(ResetData));
    reset_info->env = env;
    reset_info->vector = env->active_tc.PC;
    qemu_register_reset(main_cpu_reset, reset_info);

    /* allocate RAM */
    if (ram_size > (256 << 20)) {
        fprintf(stderr,
                "qemu: Too much memory for this machine: %d MB, maximum 256 MB\n",
                ((unsigned int)ram_size / (1 << 20)));
        exit(1);
    }
    ram_offset = qemu_ram_alloc(NULL, "mips_r4k.ram", ram_size);

    cpu_register_physical_memory(0, ram_size, ram_offset | IO_MEM_RAM);

    if (!mips_qemu_iomemtype) {
        mips_qemu_iomemtype = cpu_register_io_memory(mips_qemu_read,
                                                     mips_qemu_write, NULL,
                                                     DEVICE_NATIVE_ENDIAN);
    }
    cpu_register_physical_memory(0x1fbf0000, 0x10000, mips_qemu_iomemtype);

    /* Try to load a BIOS image. If this fails, we continue regardless,
       but initialize the hardware ourselves. When a kernel gets
       preloaded we also initialize the hardware, since the BIOS wasn't
       run. */
    if (bios_name == NULL)
        bios_name = BIOS_FILENAME;
    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
    if (filename) {
        bios_size = get_image_size(filename);
    } else {
        bios_size = -1;
    }
#ifdef TARGET_WORDS_BIGENDIAN
    be = 1;
#else
    be = 0;
#endif
    if ((bios_size > 0) && (bios_size <= BIOS_SIZE)) {
        bios_offset = qemu_ram_alloc(NULL, "mips_r4k.bios", BIOS_SIZE);
	cpu_register_physical_memory(0x1fc00000, BIOS_SIZE,
                                     bios_offset | IO_MEM_ROM);

        load_image_targphys(filename, 0x1fc00000, BIOS_SIZE);
    } else if ((dinfo = drive_get(IF_PFLASH, 0, 0)) != NULL) {
        uint32_t mips_rom = 0x00400000;
        bios_offset = qemu_ram_alloc(NULL, "mips_r4k.bios", mips_rom);
        if (!pflash_cfi01_register(0x1fc00000, bios_offset,
                                   dinfo->bdrv, sector_len,
                                   mips_rom / sector_len,
                                   4, 0, 0, 0, 0, be)) {
            fprintf(stderr, "qemu: Error registering flash memory.\n");
	}
    }
    else {
	/* not fatal */
        fprintf(stderr, "qemu: Warning, could not load MIPS bios '%s'\n",
		bios_name);
    }
    if (filename) {
        qemu_free(filename);
    }

    if (kernel_filename) {
        loaderparams.ram_size = ram_size;
        loaderparams.kernel_filename = kernel_filename;
        loaderparams.kernel_cmdline = kernel_cmdline;
        loaderparams.initrd_filename = initrd_filename;
        reset_info->vector = load_kernel();
    }

    /* Init CPU internal devices */
    cpu_mips_irq_init_cpu(env);
    cpu_mips_clock_init(env);

    /* The PIC is attached to the MIPS CPU INT0 pin */
    i8259 = i8259_init(env->irq[2]);
    isa_bus_new(NULL);
    isa_bus_irqs(i8259);

    rtc_init(2000, NULL);

    /* Register 64 KB of ISA IO space at 0x14000000 */
    isa_mmio_init(0x14000000, 0x00010000);
    isa_mem_base = 0x10000000;

    pit = pit_init(0x40, i8259[0]);

    for(i = 0; i < MAX_SERIAL_PORTS; i++) {
        if (serial_hds[i]) {
            serial_isa_init(i, serial_hds[i]);
        }
    }

    isa_vga_init();

    if (nd_table[0].vlan)
        isa_ne2000_init(0x300, 9, &nd_table[0]);

    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++) {
        hd[i] = drive_get(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS);
    }

    for(i = 0; i < MAX_IDE_BUS; i++)
        isa_ide_init(ide_iobase[i], ide_iobase2[i], ide_irq[i],
                     hd[MAX_IDE_DEVS * i],
		     hd[MAX_IDE_DEVS * i + 1]);

    isa_create_simple("i8042");
}
예제 #5
0
static
void mips_r4k_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;
    const char *kernel_cmdline = args->kernel_cmdline;
    const char *initrd_filename = args->initrd_filename;
    char *filename;
    MemoryRegion *address_space_mem = get_system_memory();
    MemoryRegion *ram = g_new(MemoryRegion, 1);
    MemoryRegion *bios;
    MemoryRegion *iomem = g_new(MemoryRegion, 1);
    int bios_size;
    MIPSCPU *cpu;
    CPUMIPSState *env;
    ResetData *reset_info;
    int i;
    qemu_irq *i8259;
    ISABus *isa_bus;
    DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
    DriveInfo *dinfo;
    int be;

    /* init CPUs */
    if (cpu_model == NULL) {
#ifdef TARGET_MIPS64
        cpu_model = "R4000";
#else
        cpu_model = "24Kf";
#endif
    }
    cpu = cpu_mips_init(cpu_model);
    if (cpu == NULL) {
        fprintf(stderr, "Unable to find CPU definition\n");
        exit(1);
    }
    env = &cpu->env;

    reset_info = g_malloc0(sizeof(ResetData));
    reset_info->cpu = cpu;
    reset_info->vector = env->active_tc.PC;
    qemu_register_reset(main_cpu_reset, reset_info);

    /* allocate RAM */
    if (ram_size > (256 << 20)) {
        fprintf(stderr,
                "qemu: Too much memory for this machine: %d MB, maximum 256 MB\n",
                ((unsigned int)ram_size / (1 << 20)));
        exit(1);
    }
    memory_region_init_ram(ram, "mips_r4k.ram", ram_size);
    vmstate_register_ram_global(ram);

    memory_region_add_subregion(address_space_mem, 0, ram);

    memory_region_init_io(iomem, &mips_qemu_ops, NULL, "mips-qemu", 0x10000);
    memory_region_add_subregion(address_space_mem, 0x1fbf0000, iomem);

    /* Try to load a BIOS image. If this fails, we continue regardless,
       but initialize the hardware ourselves. When a kernel gets
       preloaded we also initialize the hardware, since the BIOS wasn't
       run. */
    if (bios_name == NULL)
        bios_name = BIOS_FILENAME;
    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
    if (filename) {
        bios_size = get_image_size(filename);
    } else {
        bios_size = -1;
    }
#ifdef TARGET_WORDS_BIGENDIAN
    be = 1;
#else
    be = 0;
#endif
    if ((bios_size > 0) && (bios_size <= BIOS_SIZE)) {
        bios = g_new(MemoryRegion, 1);
        memory_region_init_ram(bios, "mips_r4k.bios", BIOS_SIZE);
        vmstate_register_ram_global(bios);
        memory_region_set_readonly(bios, true);
        memory_region_add_subregion(get_system_memory(), 0x1fc00000, bios);

        load_image_targphys(filename, 0x1fc00000, BIOS_SIZE);
    } else if ((dinfo = drive_get(IF_PFLASH, 0, 0)) != NULL) {
        uint32_t mips_rom = 0x00400000;
        if (!pflash_cfi01_register(0x1fc00000, NULL, "mips_r4k.bios", mips_rom,
                                   dinfo->bdrv, sector_len,
                                   mips_rom / sector_len,
                                   4, 0, 0, 0, 0, be)) {
            fprintf(stderr, "qemu: Error registering flash memory.\n");
	}
    }
    else {
	/* not fatal */
        fprintf(stderr, "qemu: Warning, could not load MIPS bios '%s'\n",
		bios_name);
    }
    if (filename) {
        g_free(filename);
    }

    if (kernel_filename) {
        loaderparams.ram_size = ram_size;
        loaderparams.kernel_filename = kernel_filename;
        loaderparams.kernel_cmdline = kernel_cmdline;
        loaderparams.initrd_filename = initrd_filename;
        reset_info->vector = load_kernel();
    }

    /* Init CPU internal devices */
    cpu_mips_irq_init_cpu(env);
    cpu_mips_clock_init(env);

    /* The PIC is attached to the MIPS CPU INT0 pin */
    isa_bus = isa_bus_new(NULL, get_system_io());
    i8259 = i8259_init(isa_bus, env->irq[2]);
    isa_bus_irqs(isa_bus, i8259);

    rtc_init(isa_bus, 2000, NULL);

    /* Register 64 KB of ISA IO space at 0x14000000 */
    isa_mmio_init(0x14000000, 0x00010000);
    isa_mem_base = 0x10000000;

    pit = pit_init(isa_bus, 0x40, 0, NULL);

    for(i = 0; i < MAX_SERIAL_PORTS; i++) {
        if (serial_hds[i]) {
            serial_isa_init(isa_bus, i, serial_hds[i]);
        }
    }

    isa_vga_init(isa_bus);

    if (nd_table[0].used)
        isa_ne2000_init(isa_bus, 0x300, 9, &nd_table[0]);

    ide_drive_get(hd, MAX_IDE_BUS);
    for(i = 0; i < MAX_IDE_BUS; i++)
        isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], ide_irq[i],
                     hd[MAX_IDE_DEVS * i],
		     hd[MAX_IDE_DEVS * i + 1]);

    isa_create_simple(isa_bus, "i8042");
}