static void ide_drive_pio_pre_save(void *opaque)
{
    IDEState *s = opaque;
    int idx;

    s->cur_io_buffer_offset = s->data_ptr - s->io_buffer;
    s->cur_io_buffer_len = s->data_end - s->data_ptr;

    idx = transfer_end_table_idx(s->end_transfer_func);
    if (idx == -1) {
        fprintf(stderr, "%s: invalid end_transfer_func for DRQ_STAT\n",
                        __func__);
        s->end_transfer_fn_idx = 2;
    } else {
        s->end_transfer_fn_idx = idx;
    }
}
Unknown