def add_partition(self, drv_name, cyl_range, dev_flags=0, flags=0, dos_type=DosType.DOS0, boot_pri=0):
# cyl range is not free anymore or invalid
if not self.check_cyl_range(*cyl_range):
return False
# no space left for partition block
if not self._has_free_rdb_blocks(1):
return False
# allocate block for partition
blk_num = self._alloc_rdb_blocks(1)[0]
self.used_blks.append(blk_num)
self._update_hi_blk()
# crete a new parttion block
pb = PartitionBlock(self.rawblk, blk_num)
heads = self.rdb.phy_drv.heads
blk_per_trk = self.rdb.phy_drv.secs
dos_env = PartitionDosEnv(low_cyl=cyl_range[0], high_cyl=cyl_range[1], surfaces=heads, \
blk_per_trk=blk_per_trk, dos_type=dos_type, boot_pri=boot_pri)
pb.create(drv_name, dos_env, flags=flags)
pb.write()
# link block
if len(self.parts) == 0:
# write into RDB
self.rdb.part_list = blk_num
else:
# write into last partition block
last_pb = self.parts[-1]
last_pb.part_blk.next = blk_num
last_pb.write()
# always write RDB as allocated block is stored there, too
self.rdb.write()
# create partition object and add to partition list
p = Partition(self.rawblk, blk_num, len(self.parts), blk_per_trk, self)
p.read()
self.parts.append(p)
return True
def add_partition(self, drv_name, cyl_range, dev_flags=0, flags=0,
dos_type=DosType.DOS0, boot_pri=0, more_dos_env=None,
fs_block_size=None):
# cyl range is not free anymore or invalid
if not self.check_cyl_range(*cyl_range):
return False
# no space left for partition block
if not self._has_free_rdb_blocks(1):
return False
# allocate block for partition
blk_num = self._alloc_rdb_blocks(1)[0]
self.used_blks.append(blk_num)
self._update_hi_blk()
# crete a new parttion block
pb = PartitionBlock(self.rawblk, blk_num)
# setup fs block size (may be multiple sectors)
if not fs_block_size:
fs_block_size = self.block_bytes
sec_per_blk = int(fs_block_size / self.block_bytes)
if sec_per_blk < 1 or sec_per_blk > 16:
raise IOError("Invalid sec_per_blk: " + sec_per_blk)
# block size in longs
bsl = self.block_bytes >> 2
# setup dos env
heads = self.rdb.phy_drv.heads
blk_per_trk = self.rdb.phy_drv.secs
dos_env = PartitionDosEnv(low_cyl=cyl_range[0], high_cyl=cyl_range[1], surfaces=heads,
blk_per_trk=blk_per_trk, dos_type=dos_type, boot_pri=boot_pri,
block_size=bsl, sec_per_blk=sec_per_blk)
self._adjust_dos_env(dos_env, more_dos_env)
pb.create(drv_name, dos_env, flags=flags)
pb.write()
# link block
if len(self.parts) == 0:
# write into RDB
self.rdb.part_list = blk_num
else:
# write into last partition block
last_pb = self.parts[-1]
last_pb.part_blk.next = blk_num
last_pb.write()
# always write RDB as allocated block is stored there, too
self.rdb.write()
# flush out all changes before we read again
self.rawblk.flush()
# create partition object and add to partition list
blk_per_cyl = blk_per_trk * heads
p = Partition(self.rawblk, blk_num, len(self.parts), blk_per_cyl, self)
p.read()
self.parts.append(p)
return True
def add_partition(self,
drv_name,
cyl_range,
dev_flags=0,
flags=0,
dos_type=DosType.DOS0,
boot_pri=0):
# cyl range is not free anymore or invalid
if not self.check_cyl_range(*cyl_range):
return False
# no space left for partition block
if not self._has_free_rdb_blocks(1):
return False
# allocate block for partition
blk_num = self._alloc_rdb_blocks(1)[0]
self.used_blks.append(blk_num)
self._update_hi_blk()
# crete a new parttion block
pb = PartitionBlock(self.rawblk, blk_num)
heads = self.rdb.phy_drv.heads
blk_per_trk = self.rdb.phy_drv.secs
dos_env = PartitionDosEnv(low_cyl=cyl_range[0], high_cyl=cyl_range[1], surfaces=heads, \
blk_per_trk=blk_per_trk, dos_type=dos_type, boot_pri=boot_pri)
pb.create(drv_name, dos_env, flags=flags)
pb.write()
# link block
if len(self.parts) == 0:
# write into RDB
self.rdb.part_list = blk_num
else:
# write into last partition block
last_pb = self.parts[-1]
last_pb.part_blk.next = blk_num
last_pb.write()
# always write RDB as allocated block is stored there, too
self.rdb.write()
# create partition object and add to partition list
p = Partition(self.rawblk, blk_num, len(self.parts), blk_per_trk, self)
p.read()
self.parts.append(p)
return True
