static grub_err_t
sun_pc_partition_map_iterate (grub_disk_t disk,
int (*hook) (grub_disk_t disk,
const grub_partition_t partition))
{
grub_partition_t p;
struct grub_sun_pc_block block;
int partnum;
grub_err_t err;
p = (grub_partition_t) grub_zalloc (sizeof (struct grub_partition));
if (! p)
return grub_errno;
p->partmap = &grub_sun_pc_partition_map;
err = grub_disk_read (disk, 1, 0, sizeof (struct grub_sun_pc_block), &block);
if (err)
{
grub_free (p);
return err;
}
if (GRUB_PARTMAP_SUN_PC_MAGIC != grub_le_to_cpu16 (block.magic))
{
grub_free (p);
return grub_error (GRUB_ERR_BAD_PART_TABLE,
"not a sun_pc partition table");
}
if (! grub_sun_is_valid (&block))
{
grub_free (p);
return grub_error (GRUB_ERR_BAD_PART_TABLE, "invalid checksum");
}
/* Maybe another error value would be better, because partition
table _is_ recognized but invalid. */
for (partnum = 0; partnum < GRUB_PARTMAP_SUN_PC_MAX_PARTS; partnum++)
{
struct grub_sun_pc_partition_descriptor *desc;
if (block.partitions[partnum].id == 0
|| block.partitions[partnum].id == GRUB_PARTMAP_SUN_PC_WHOLE_DISK_ID)
continue;
desc = &block.partitions[partnum];
p->start = grub_le_to_cpu32 (desc->start_sector);
p->len = grub_le_to_cpu32 (desc->num_sectors);
p->number = partnum;
if (p->len)
{
if (hook (disk, p))
partnum = GRUB_PARTMAP_SUN_PC_MAX_PARTS;
}
}
grub_free (p);
return grub_errno;
}
static grub_err_t
sun_partition_map_iterate (grub_disk_t disk,
int (*hook) (grub_disk_t disk,
const grub_partition_t partition))
{
grub_partition_t p;
struct grub_disk raw;
struct grub_sun_block block;
int partnum;
raw = *disk;
raw.partition = 0;
p = (grub_partition_t) grub_malloc (sizeof (struct grub_partition));
if (! p)
return grub_errno;
p->offset = 0;
p->data = 0;
p->partmap = &grub_sun_partition_map;
if (grub_disk_read (&raw, 0, 0, sizeof (struct grub_sun_block),
(char *) &block) == GRUB_ERR_NONE)
{
if (GRUB_PARTMAP_SUN_MAGIC != grub_be_to_cpu16 (block.magic))
grub_error (GRUB_ERR_BAD_PART_TABLE, "not a sun partition table");
if (! grub_sun_is_valid (&block))
grub_error (GRUB_ERR_BAD_PART_TABLE, "invalid checksum");
/* Maybe another error value would be better, because partition
table _is_ recognized but invalid. */
for (partnum = 0; partnum < GRUB_PARTMAP_SUN_MAX_PARTS; partnum++)
{
struct grub_sun_partition_descriptor *desc;
if (block.infos[partnum].id == 0
|| block.infos[partnum].id == GRUB_PARTMAP_SUN_WHOLE_DISK_ID)
continue;
desc = &block.partitions[partnum];
p->start = ((grub_uint64_t) grub_be_to_cpu32 (desc->start_cylinder)
* grub_be_to_cpu16 (block.ntrks)
* grub_be_to_cpu16 (block.nsect));
p->len = grub_be_to_cpu32 (desc->num_sectors);
p->index = partnum;
if (p->len)
{
if (hook (disk, p))
partnum = GRUB_PARTMAP_SUN_MAX_PARTS;
}
}
}
grub_free (p);
return grub_errno;
}
static grub_err_t
sun_partition_map_iterate (grub_disk_t disk,
int (*hook) (grub_disk_t disk,
const grub_partition_t partition))
{
struct grub_partition p;
struct grub_sun_block block;
int partnum;
grub_err_t err;
p.partmap = &grub_sun_partition_map;
err = grub_disk_read (disk, 0, 0, sizeof (struct grub_sun_block),
&block);
if (err)
return err;
if (GRUB_PARTMAP_SUN_MAGIC != grub_be_to_cpu16 (block.magic))
return grub_error (GRUB_ERR_BAD_PART_TABLE, "not a sun partition table");
if (! grub_sun_is_valid (&block))
return grub_error (GRUB_ERR_BAD_PART_TABLE, "invalid checksum");
/* Maybe another error value would be better, because partition
table _is_ recognized but invalid. */
for (partnum = 0; partnum < GRUB_PARTMAP_SUN_MAX_PARTS; partnum++)
{
struct grub_sun_partition_descriptor *desc;
if (block.infos[partnum].id == 0
|| block.infos[partnum].id == GRUB_PARTMAP_SUN_WHOLE_DISK_ID)
continue;
desc = &block.partitions[partnum];
p.start = ((grub_uint64_t) grub_be_to_cpu32 (desc->start_cylinder)
* grub_be_to_cpu16 (block.ntrks)
* grub_be_to_cpu16 (block.nsect));
p.len = grub_be_to_cpu32 (desc->num_sectors);
p.number = p.index = partnum;
if (p.len)
{
if (hook (disk, &p))
partnum = GRUB_PARTMAP_SUN_MAX_PARTS;
}
}
return grub_errno;
}
