/* Put a character. */
static void
serial_hw_put (struct grub_serial_port *port, const int c)
{
grub_ssize_t actual;
char c0 = c;
do_real_config (port);
if (port->handle == IEEE1275_IHANDLE_INVALID)
return;
grub_ieee1275_write (port->handle, &c0, 1, &actual);
}
static grub_err_t
send_card_buffer (const struct grub_net_card *dev, struct grub_net_buff *pack)
{
grub_ssize_t actual;
int status;
struct grub_ofnetcard_data *data = dev->data;
status = grub_ieee1275_write (data->handle, pack->data,
pack->tail - pack->data, &actual);
if (status)
return grub_error (GRUB_ERR_IO, "Couldn't send network packet.");
return GRUB_ERR_NONE;
}
static grub_err_t
grub_ofdisk_write (grub_disk_t disk, grub_disk_addr_t sector,
grub_size_t size, const char *buf)
{
grub_err_t err;
grub_ssize_t actual;
err = grub_ofdisk_prepare (disk, sector);
if (err)
return err;
grub_ieee1275_write (last_ihandle, buf, size << GRUB_DISK_SECTOR_BITS,
&actual);
if (actual != (grub_ssize_t) (size << GRUB_DISK_SECTOR_BITS))
return grub_error (GRUB_ERR_WRITE_ERROR, N_("failure writing sector 0x%llx "
"to `%s'"),
(unsigned long long) sector,
disk->name);
return 0;
}