Beispiel #1
0
void pre_init(void) {
    morecore_area = core_buf;
    morecore_size = SERVER_CORE_SIZE;
    serial_lock();
    // Initialize the serial port
    set_dlab(0); // we always assume the dlab is 0 unless we explicitly change it
    disable_interrupt();
    disable_fifo();
    reset_lcr();
    reset_mcr();
    clear_iir();
    set_baud_rate(BAUD_RATE);
    reset_state();
    enable_fifo();
    enable_interrupt();
    clear_iir();
    // all done
    init_colours();
    /* query what getchar clients exist */
    num_getchar_clients = getchar_num_badges();
    getchar_clients = calloc(num_getchar_clients, sizeof(getchar_client_t));
    for (int i = 0; i < num_getchar_clients; i++) {
        unsigned int badge = getchar_enumerate_badge(i);
        assert(badge <= num_getchar_clients);
        getchar_clients[badge].client_id = badge;
        getchar_clients[badge].buf = getchar_buf(badge);
        getchar_clients[badge].last_head = -1;
    }
    set_putchar(serial_putchar);
    serial_irq_reg_callback(serial_irq, 0);
    /* Start regular heartbeat of 500ms */
    timeout_periodic(0, 500000000);
    serial_unlock();
}
Beispiel #2
0
void serial_init(gdb_state_t *gdb) {
    // Initialize the serial port
    int UNUSED error;
    error = serial_lock();
    gdb_state = gdb;
    set_dlab(0); // we always assume the dlab is 0 unless we explicitly change it
    disable_interrupt();
    disable_fifo();
    reset_lcr();
    reset_mcr();
    clear_iir();
    set_baud_rate(BAUD_RATE);
    reset_state();
    enable_fifo();
    enable_interrupt();
    clear_iir();
    initialise_buffer();
    error = serial_unlock();

}