static int
bsd_write (const PedDisk* disk)
{
BSDDiskData* bsd_specific;
BSDRawLabel* label;
BSDPartitionData* bsd_data;
PedPartition* part;
int i;
int max_part = 0;
PED_ASSERT (disk != NULL);
PED_ASSERT (disk->dev != NULL);
bsd_specific = (BSDDiskData*) disk->disk_specific;
label = (BSDRawLabel *) (bsd_specific->boot_code + BSD_LABEL_OFFSET);
if (!bsd_specific->boot_code [0])
_probe_and_add_boot_code (disk);
memset (label->d_partitions, 0,
sizeof (BSDRawPartition) * BSD_MAXPARTITIONS);
for (i = 1; i <= BSD_MAXPARTITIONS; i++) {
part = ped_disk_get_partition (disk, i);
if (!part)
continue;
bsd_data = part->disk_specific;
label->d_partitions[i - 1].p_fstype = bsd_data->type;
label->d_partitions[i - 1].p_offset
= PED_CPU_TO_LE32 (part->geom.start);
label->d_partitions[i - 1].p_size
= PED_CPU_TO_LE32 (part->geom.length);
max_part = i;
}
label->d_npartitions = PED_CPU_TO_LE16 (max_part) + 1;
label->d_checksum = xbsd_dkcksum (label);
alpha_bootblock_checksum (bsd_specific->boot_code);
if (!ptt_write_sector (disk, bsd_specific->boot_code,
sizeof (BSDDiskData)))
goto error;
return ped_device_sync (disk->dev);
error:
return 0;
}
static int
dvh_write (const PedDisk* disk)
{
DVHDiskData* dvh_disk_data = disk->disk_specific;
struct volume_header vh;
int i;
PED_ASSERT (dvh_disk_data != NULL);
_flush_stale_flags (disk);
memset (&vh, 0, sizeof (struct volume_header));
vh.vh_magic = PED_CPU_TO_BE32 (VHMAGIC);
vh.vh_rootpt = PED_CPU_TO_BE16 (dvh_disk_data->root - 1);
vh.vh_swappt = PED_CPU_TO_BE16 (dvh_disk_data->swap - 1);
if (dvh_disk_data->boot) {
PedPartition* boot_part;
boot_part = ped_disk_get_partition (disk, dvh_disk_data->boot);
strcpy (vh.vh_bootfile, ped_partition_get_name (boot_part));
}
vh.vh_dp = dvh_disk_data->dev_params;
/* Set up rudimentary device geometry */
vh.vh_dp.dp_cyls
= PED_CPU_TO_BE16 ((short)disk->dev->bios_geom.cylinders);
vh.vh_dp.dp_trks0 = PED_CPU_TO_BE16 ((short)disk->dev->bios_geom.heads);
vh.vh_dp.dp_secs
= PED_CPU_TO_BE16 ((short)disk->dev->bios_geom.sectors);
vh.vh_dp.dp_secbytes = PED_CPU_TO_BE16 ((short)disk->dev->sector_size);
for (i = 0; i < NPARTAB; i++) {
PedPartition* part = ped_disk_get_partition (disk, i + 1);
if (part)
_generate_partition (part, &vh.vh_pt[i]);
}
/* whole disk partition
* This is only ever written here, and never modified
* (or even shown) as it must contain the entire disk,
* and parted does not like overlapping partitions
*/
vh.vh_pt[PNUM_VOLUME].pt_nblks = PED_CPU_TO_BE32 (disk->dev->length);
vh.vh_pt[PNUM_VOLUME].pt_firstlbn = PED_CPU_TO_BE32 (0);
vh.vh_pt[PNUM_VOLUME].pt_type = PED_CPU_TO_BE32 (PTYPE_VOLUME);
for (i = 0; i < NVDIR; i++) {
PedPartition* part = ped_disk_get_partition (disk,
i + 1 + NPARTAB);
if (part)
_generate_boot_file (part, &vh.vh_vd[i]);
}
vh.vh_csum = 0;
vh.vh_csum = PED_CPU_TO_BE32 (_checksum ((uint32_t*) &vh,
sizeof (struct volume_header)));
return (ptt_write_sector (disk, &vh, sizeof vh)
&& ped_device_sync (disk->dev));
}
