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Reimport nestpart

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-02-06 18:43:37 +01:00
parent bf7fcba2d7
commit 15cb7d433f
26 changed files with 561 additions and 720 deletions
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61
partmap/acorn.c
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@ -96,21 +96,17 @@ acorn_partition_map_iterate (grub_disk_t disk,
const grub_partition_t partition))
{
struct grub_partition part;
struct grub_disk raw;
struct linux_part map[LINUX_MAP_ENTRIES];
int i;
grub_disk_addr_t sector;
grub_disk_addr_t sector = 0;
grub_err_t err;
/* Enforce raw disk access. */
raw = *disk;
raw.partition = 0;
err = acorn_partition_map_find (&raw, map, &sector);
err = acorn_partition_map_find (disk, map, &sector);
if (err)
return err;
part.partmap = &grub_acorn_partition_map;
part.data = 0;
for (i = 0; i != LINUX_MAP_ENTRIES; ++i)
{
@ -121,7 +117,7 @@ acorn_partition_map_iterate (grub_disk_t disk,
part.start = sector + map[i].start;
part.len = map[i].size;
part.offset = 6;
part.index = i;
part.number = part.index = i;
if (hook (disk, &part))
return grub_errno;
@ -130,53 +126,6 @@ acorn_partition_map_iterate (grub_disk_t disk,
return GRUB_ERR_NONE;
}
static grub_partition_t
acorn_partition_map_probe (grub_disk_t disk, const char *str)
{
struct linux_part map[LINUX_MAP_ENTRIES];
struct grub_disk raw = *disk;
unsigned long partnum = grub_strtoul (str, 0, 10) - 1;
grub_disk_addr_t sector;
grub_err_t err;
grub_partition_t p;
/* Enforce raw disk access. */
raw.partition = 0;
/* Get the partition number. */
if (partnum > LINUX_MAP_ENTRIES)
goto fail;
err = acorn_partition_map_find (&raw, map, &sector);
if (err)
return 0;
if (map[partnum].magic != LINUX_NATIVE_MAGIC
&& map[partnum].magic != LINUX_SWAP_MAGIC)
goto fail;
p = grub_malloc (sizeof (struct grub_partition));
if (! p)
return 0;
p->start = sector + map[partnum].start;
p->len = map[partnum].size;
p->offset = 6;
p->index = partnum;
return p;
fail:
grub_error (GRUB_ERR_BAD_FILENAME, "invalid partition");
return 0;
}
static char *
acorn_partition_map_get_name (const grub_partition_t p)
{
return grub_xasprintf ("%d", p->index + 1);
}
/* Partition map type. */
@ -184,8 +133,6 @@ static struct grub_partition_map grub_acorn_partition_map =
{
.name = "part_acorn",
.iterate = acorn_partition_map_iterate,
.probe = acorn_partition_map_probe,
.get_name = acorn_partition_map_get_name
};
GRUB_MOD_INIT(acorn_partition_map)