Beispiel #1
0
/** Initialize a new ddf driver instance of i8042 driver
 *
 * @param[in] device DDF instance of the device to initialize.
 *
 * @return Error code.
 *
 */
static int i8042_dev_add(ddf_dev_t *device)
{
	if (!device)
		return EINVAL;
	
	uintptr_t io_regs = 0;
	size_t io_size = 0;
	int kbd = 0;
	int mouse = 0;
	
	int ret = get_my_registers(device, &io_regs, &io_size, &kbd, &mouse);
	CHECK_RET_RETURN(ret, "Failed to get registers: %s.",
	    str_error(ret));
	ddf_msg(LVL_DEBUG, "I/O regs at %p (size %zuB), IRQ kbd %d, IRQ mouse %d.",
	    (void *) io_regs, io_size, kbd, mouse);
	
	i8042_t *i8042 = ddf_dev_data_alloc(device, sizeof(i8042_t));
	ret = (i8042 == NULL) ? ENOMEM : EOK;
	CHECK_RET_RETURN(ret, "Failed to allocate i8042 driver instance.");
	
	ret = i8042_init(i8042, (void *) io_regs, io_size, kbd, mouse, device);
	CHECK_RET_RETURN(ret, "Failed to initialize i8042 driver: %s.",
	    str_error(ret));
	
	ddf_msg(LVL_NOTE, "Controlling '%s' (%" PRIun ").",
	    ddf_dev_get_name(device), ddf_dev_get_handle(device));
	return EOK;
}
Beispiel #2
0
void arch_post_smp_init(void)
{
	/* Currently the only supported platform for ia32 is 'pc'. */
	static const char *platform = "pc";

	sysinfo_set_item_data("platform", NULL, (void *) platform,
	    str_size(platform));

#ifdef CONFIG_PC_KBD
	/*
	 * Initialize the i8042 controller. Then initialize the keyboard
	 * module and connect it to i8042. Enable keyboard interrupts.
	 */
	i8042_instance_t *i8042_instance = i8042_init((i8042_t *) I8042_BASE, IRQ_KBD);
	if (i8042_instance) {
		kbrd_instance_t *kbrd_instance = kbrd_init();
		if (kbrd_instance) {
			indev_t *sink = stdin_wire();
			indev_t *kbrd = kbrd_wire(kbrd_instance, sink);
			i8042_wire(i8042_instance, kbrd);
			trap_virtual_enable_irqs(1 << IRQ_KBD);
			trap_virtual_enable_irqs(1 << IRQ_MOUSE);
		}
	}
#endif
	
	if (irqs_info != NULL)
		sysinfo_set_item_val(irqs_info, NULL, true);
}
Beispiel #3
0
/** PC platform initialization. */
__init_text void platform_init(void) {
	pic_init();
	acpi_init();

	/* If the LAPIC is not available, we must use the PIT as the timer. */
	if(!lapic_enabled())
		pit_init();

	i8042_init();
}
Beispiel #4
0
void arch_init() {
  i8042_init();

  if (apic_is_available()) {
    apic_init();
  } else {
//    pic_init();
//    pit_init();
  }

}
Beispiel #5
0
static
void mips_r4k_init (ram_addr_t ram_size, int vga_ram_size,
                    const char *boot_device,
                    const char *kernel_filename, const char *kernel_cmdline,
                    const char *initrd_filename, const char *cpu_model)
{
    char buf[1024];
    unsigned long bios_offset;
    int bios_size;
    CPUState *env;
    RTCState *rtc_state;
    int i;
    qemu_irq *i8259;
    int index;
    BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];

    /* 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);
    }
    qemu_register_reset(main_cpu_reset, env);

    /* 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);
    }
    cpu_register_physical_memory(0, ram_size, IO_MEM_RAM);

    if (!mips_qemu_iomemtype) {
        mips_qemu_iomemtype = cpu_register_io_memory(0, mips_qemu_read,
                                                     mips_qemu_write, NULL);
    }
    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. */
    bios_offset = ram_size + vga_ram_size;
    if (bios_name == NULL)
        bios_name = BIOS_FILENAME;
    snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
    bios_size = load_image(buf, phys_ram_base + bios_offset);
    if ((bios_size > 0) && (bios_size <= BIOS_SIZE)) {
	cpu_register_physical_memory(0x1fc00000,
				     BIOS_SIZE, bios_offset | IO_MEM_ROM);
    } else if ((index = drive_get_index(IF_PFLASH, 0, 0)) > -1) {
        uint32_t mips_rom = 0x00400000;
        cpu_register_physical_memory(0x1fc00000, mips_rom,
	                     qemu_ram_alloc(mips_rom) | IO_MEM_ROM);
        if (!pflash_cfi01_register(0x1fc00000, qemu_ram_alloc(mips_rom),
            drives_table[index].bdrv, sector_len, mips_rom / sector_len,
            4, 0, 0, 0, 0)) {
            fprintf(stderr, "qemu: Error registering flash memory.\n");
	}
    }
    else {
	/* not fatal */
        fprintf(stderr, "qemu: Warning, could not load MIPS bios '%s'\n",
		buf);
    }

    if (kernel_filename) {
        loaderparams.ram_size = ram_size;
        loaderparams.kernel_filename = kernel_filename;
        loaderparams.kernel_cmdline = kernel_cmdline;
        loaderparams.initrd_filename = initrd_filename;
        load_kernel (env);
    }

    /* 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]);

    rtc_state = rtc_init(0x70, i8259[8], 2000);

    /* 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_init(serial_io[i], i8259[serial_irq[i]], 115200,
                        serial_hds[i]);
        }
    }

    isa_vga_init(phys_ram_base + ram_size, ram_size,
                 vga_ram_size);

    if (nd_table[0].vlan)
        isa_ne2000_init(0x300, i8259[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++) {
        index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS);
        if (index != -1)
            hd[i] = drives_table[index].bdrv;
        else
            hd[i] = NULL;
    }

    for(i = 0; i < MAX_IDE_BUS; i++)
        isa_ide_init(ide_iobase[i], ide_iobase2[i], i8259[ide_irq[i]],
                     hd[MAX_IDE_DEVS * i],
		     hd[MAX_IDE_DEVS * i + 1]);

    i8042_init(i8259[1], i8259[12], 0x60);
}
Beispiel #6
0
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);
}