Ejemplo n.º 1
0
static
void mips_jazz_init (ram_addr_t ram_size,
                     const char *cpu_model,
                     enum jazz_model_e jazz_model)
{
    char *filename;
    int bios_size, n;
    CPUState *env;
    qemu_irq *rc4030, *i8259;
    rc4030_dma *dmas;
    void* rc4030_opaque;
    int s_rtc, s_dma_dummy;
    NICInfo *nd;
    PITState *pit;
    DriveInfo *fds[MAX_FD];
    qemu_irq esp_reset;
    ram_addr_t ram_offset;
    ram_addr_t bios_offset;

    /* init CPUs */
    if (cpu_model == NULL) {
#ifdef TARGET_MIPS64
        cpu_model = "R4000";
#else
        /* FIXME: All wrong, this maybe should be R3000 for the older JAZZs. */
        cpu_model = "24Kf";
#endif
    }
    env = cpu_init(cpu_model);
    if (!env) {
        fprintf(stderr, "Unable to find CPU definition\n");
        exit(1);
    }
    qemu_register_reset(main_cpu_reset, env);

    /* allocate RAM */
    ram_offset = qemu_ram_alloc(ram_size);
    cpu_register_physical_memory(0, ram_size, ram_offset | IO_MEM_RAM);

    bios_offset = qemu_ram_alloc(MAGNUM_BIOS_SIZE);
    cpu_register_physical_memory(0x1fc00000LL,
                                 MAGNUM_BIOS_SIZE, bios_offset | IO_MEM_ROM);
    cpu_register_physical_memory(0xfff00000LL,
                                 MAGNUM_BIOS_SIZE, bios_offset | IO_MEM_ROM);

    /* load the BIOS image. */
    if (bios_name == NULL)
        bios_name = BIOS_FILENAME;
    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
    if (filename) {
        bios_size = load_image_targphys(filename, 0xfff00000LL,
                                        MAGNUM_BIOS_SIZE);
        qemu_free(filename);
    } else {
        bios_size = -1;
    }
    if (bios_size < 0 || bios_size > MAGNUM_BIOS_SIZE) {
        fprintf(stderr, "qemu: Could not load MIPS bios '%s'\n",
                bios_name);
        exit(1);
    }

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

    /* Chipset */
    rc4030_opaque = rc4030_init(env->irq[6], env->irq[3], &rc4030, &dmas);
    s_dma_dummy = cpu_register_io_memory(dma_dummy_read, dma_dummy_write, NULL);
    cpu_register_physical_memory(0x8000d000, 0x00001000, s_dma_dummy);

    /* ISA devices */
    i8259 = i8259_init(env->irq[4]);
    isa_bus_new(NULL);
    isa_bus_irqs(i8259);
    DMA_init(0);
    pit = pit_init(0x40, i8259[0]);
    pcspk_init(pit);

    /* ISA IO space at 0x90000000 */
    isa_mmio_init(0x90000000, 0x01000000);
    isa_mem_base = 0x11000000;

    /* Video card */
    switch (jazz_model) {
    case JAZZ_MAGNUM:
        g364fb_mm_init(0x40000000, 0x60000000, 0, rc4030[3]);
        break;
    case JAZZ_PICA61:
        isa_vga_mm_init(0x40000000, 0x60000000, 0);
        break;
    default:
        break;
    }

    /* Network controller */
    for (n = 0; n < nb_nics; n++) {
        nd = &nd_table[n];
        if (!nd->model)
            nd->model = qemu_strdup("dp83932");
        if (strcmp(nd->model, "dp83932") == 0) {
            dp83932_init(nd, 0x80001000, 2, rc4030[4],
                         rc4030_opaque, rc4030_dma_memory_rw);
            break;
        } else if (strcmp(nd->model, "?") == 0) {
            fprintf(stderr, "qemu: Supported NICs: dp83932\n");
            exit(1);
        } else {
            fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd->model);
            exit(1);
        }
    }

    /* SCSI adapter */
    esp_init(0x80002000, 0,
             rc4030_dma_read, rc4030_dma_write, dmas[0],
             rc4030[5], &esp_reset);

    /* Floppy */
    if (drive_get_max_bus(IF_FLOPPY) >= MAX_FD) {
        fprintf(stderr, "qemu: too many floppy drives\n");
        exit(1);
    }
    for (n = 0; n < MAX_FD; n++) {
        fds[n] = drive_get(IF_FLOPPY, 0, n);
    }
    fdctrl_init_sysbus(rc4030[1], 0, 0x80003000, fds);

    /* Real time clock */
    rtc_init(1980);
    s_rtc = cpu_register_io_memory(rtc_read, rtc_write, NULL);
    cpu_register_physical_memory(0x80004000, 0x00001000, s_rtc);

    /* Keyboard (i8042) */
    i8042_mm_init(rc4030[6], rc4030[7], 0x80005000, 0x1000, 0x1);

    /* Serial ports */
    if (serial_hds[0])
        serial_mm_init(0x80006000, 0, rc4030[8], 8000000/16, serial_hds[0], 1);
    if (serial_hds[1])
        serial_mm_init(0x80007000, 0, rc4030[9], 8000000/16, serial_hds[1], 1);

    /* Parallel port */
    if (parallel_hds[0])
        parallel_mm_init(0x80008000, 0, rc4030[0], parallel_hds[0]);

    /* Sound card */
    /* FIXME: missing Jazz sound at 0x8000c000, rc4030[2] */
#ifdef HAS_AUDIO
    audio_init(i8259);
#endif

    /* NVRAM: Unprotected at 0x9000, Protected at 0xa000, Read only at 0xb000 */
    ds1225y_init(0x80009000, "nvram");

    /* LED indicator */
    jazz_led_init(0x8000f000);
}
Ejemplo n.º 2
0
static void mips_jazz_init(MemoryRegion *address_space,
                           MemoryRegion *address_space_io,
                           ram_addr_t ram_size,
                           const char *cpu_model,
                           enum jazz_model_e jazz_model)
{
    char *filename;
    int bios_size, n;
    MIPSCPU *cpu;
    CPUMIPSState *env;
    qemu_irq *rc4030, *i8259;
    rc4030_dma *dmas;
    void* rc4030_opaque;
    MemoryRegion *rtc = g_new(MemoryRegion, 1);
    MemoryRegion *i8042 = g_new(MemoryRegion, 1);
    MemoryRegion *dma_dummy = g_new(MemoryRegion, 1);
    NICInfo *nd;
    DeviceState *dev;
    SysBusDevice *sysbus;
    ISABus *isa_bus;
    ISADevice *pit;
    DriveInfo *fds[MAX_FD];
    qemu_irq esp_reset, dma_enable;
    qemu_irq *cpu_exit_irq;
    MemoryRegion *ram = g_new(MemoryRegion, 1);
    MemoryRegion *bios = g_new(MemoryRegion, 1);
    MemoryRegion *bios2 = g_new(MemoryRegion, 1);

    /* init CPUs */
    if (cpu_model == NULL) {
#ifdef TARGET_MIPS64
        cpu_model = "R4000";
#else
        /* FIXME: All wrong, this maybe should be R3000 for the older JAZZs. */
        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;
    qemu_register_reset(main_cpu_reset, cpu);

    /* allocate RAM */
    memory_region_init_ram(ram, NULL, "mips_jazz.ram", ram_size);
    vmstate_register_ram_global(ram);
    memory_region_add_subregion(address_space, 0, ram);

    memory_region_init_ram(bios, NULL, "mips_jazz.bios", MAGNUM_BIOS_SIZE);
    vmstate_register_ram_global(bios);
    memory_region_set_readonly(bios, true);
    memory_region_init_alias(bios2, NULL, "mips_jazz.bios", bios,
                             0, MAGNUM_BIOS_SIZE);
    memory_region_add_subregion(address_space, 0x1fc00000LL, bios);
    memory_region_add_subregion(address_space, 0xfff00000LL, bios2);

    /* load the BIOS image. */
    if (bios_name == NULL)
        bios_name = BIOS_FILENAME;
    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
    if (filename) {
        bios_size = load_image_targphys(filename, 0xfff00000LL,
                                        MAGNUM_BIOS_SIZE);
        g_free(filename);
    } else {
        bios_size = -1;
    }
    if (bios_size < 0 || bios_size > MAGNUM_BIOS_SIZE) {
        fprintf(stderr, "qemu: Could not load MIPS bios '%s'\n",
                bios_name);
        exit(1);
    }

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

    /* Chipset */
    rc4030_opaque = rc4030_init(env->irq[6], env->irq[3], &rc4030, &dmas,
                                address_space);
    memory_region_init_io(dma_dummy, NULL, &dma_dummy_ops, NULL, "dummy_dma", 0x1000);
    memory_region_add_subregion(address_space, 0x8000d000, dma_dummy);

    /* ISA devices */
    isa_bus = isa_bus_new(NULL, address_space_io);
    i8259 = i8259_init(isa_bus, env->irq[4]);
    isa_bus_irqs(isa_bus, i8259);
    cpu_exit_irq = qemu_allocate_irqs(cpu_request_exit, NULL, 1);
    DMA_init(0, cpu_exit_irq);
    pit = pit_init(isa_bus, 0x40, 0, NULL);
    pcspk_init(isa_bus, pit);

    /* ISA IO space at 0x90000000 */
    isa_mmio_init(0x90000000, 0x01000000);
    isa_mem_base = 0x11000000;

    /* Video card */
    switch (jazz_model) {
    case JAZZ_MAGNUM:
        dev = qdev_create(NULL, "sysbus-g364");
        qdev_init_nofail(dev);
        sysbus = SYS_BUS_DEVICE(dev);
        sysbus_mmio_map(sysbus, 0, 0x60080000);
        sysbus_mmio_map(sysbus, 1, 0x40000000);
        sysbus_connect_irq(sysbus, 0, rc4030[3]);
        {
            /* Simple ROM, so user doesn't have to provide one */
            MemoryRegion *rom_mr = g_new(MemoryRegion, 1);
            memory_region_init_ram(rom_mr, NULL, "g364fb.rom", 0x80000);
            vmstate_register_ram_global(rom_mr);
            memory_region_set_readonly(rom_mr, true);
            uint8_t *rom = memory_region_get_ram_ptr(rom_mr);
            memory_region_add_subregion(address_space, 0x60000000, rom_mr);
            rom[0] = 0x10; /* Mips G364 */
        }
        break;
    case JAZZ_PICA61:
        isa_vga_mm_init(0x40000000, 0x60000000, 0, get_system_memory());
        break;
    default:
        break;
    }

    /* Network controller */
    for (n = 0; n < nb_nics; n++) {
        nd = &nd_table[n];
        if (!nd->model)
            nd->model = g_strdup("dp83932");
        if (strcmp(nd->model, "dp83932") == 0) {
            dp83932_init(nd, 0x80001000, 2, get_system_memory(), rc4030[4],
                         rc4030_opaque, rc4030_dma_memory_rw);
            break;
        } else if (is_help_option(nd->model)) {
            fprintf(stderr, "qemu: Supported NICs: dp83932\n");
            exit(1);
        } else {
            fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd->model);
            exit(1);
        }
    }

    /* SCSI adapter */
    esp_init(0x80002000, 0,
             rc4030_dma_read, rc4030_dma_write, dmas[0],
             rc4030[5], &esp_reset, &dma_enable);

    /* Floppy */
    if (drive_get_max_bus(IF_FLOPPY) >= MAX_FD) {
        fprintf(stderr, "qemu: too many floppy drives\n");
        exit(1);
    }
    for (n = 0; n < MAX_FD; n++) {
        fds[n] = drive_get(IF_FLOPPY, 0, n);
    }
    fdctrl_init_sysbus(rc4030[1], 0, 0x80003000, fds);

    /* Real time clock */
    rtc_init(isa_bus, 1980, NULL);
    memory_region_init_io(rtc, NULL, &rtc_ops, NULL, "rtc", 0x1000);
    memory_region_add_subregion(address_space, 0x80004000, rtc);

    /* Keyboard (i8042) */
    i8042_mm_init(rc4030[6], rc4030[7], i8042, 0x1000, 0x1);
    memory_region_add_subregion(address_space, 0x80005000, i8042);

    /* Serial ports */
    if (serial_hds[0]) {
        serial_mm_init(address_space, 0x80006000, 0, rc4030[8], 8000000/16,
                       serial_hds[0], DEVICE_NATIVE_ENDIAN);
    }
    if (serial_hds[1]) {
        serial_mm_init(address_space, 0x80007000, 0, rc4030[9], 8000000/16,
                       serial_hds[1], DEVICE_NATIVE_ENDIAN);
    }

    /* Parallel port */
    if (parallel_hds[0])
        parallel_mm_init(address_space, 0x80008000, 0, rc4030[0],
                         parallel_hds[0]);

    /* FIXME: missing Jazz sound at 0x8000c000, rc4030[2] */

    /* NVRAM */
    dev = qdev_create(NULL, "ds1225y");
    qdev_init_nofail(dev);
    sysbus = SYS_BUS_DEVICE(dev);
    sysbus_mmio_map(sysbus, 0, 0x80009000);

    /* LED indicator */
    sysbus_create_simple("jazz-led", 0x8000f000, NULL);
}