static void ide_dummy_transfer_stop(IDEState *s)
{
    s->data_ptr = s->io_buffer;
    s->data_end = s->io_buffer;
    s->io_buffer[0] = 0xff;
    s->io_buffer[1] = 0xff;
    s->io_buffer[2] = 0xff;
    s->io_buffer[3] = 0xff;
}
Unknown