diff options
Diffstat (limited to 'external/poky/scripts/lib/wic/plugins/imager/direct.py')
| -rw-r--r-- | external/poky/scripts/lib/wic/plugins/imager/direct.py | 101 |
1 files changed, 44 insertions, 57 deletions
diff --git a/external/poky/scripts/lib/wic/plugins/imager/direct.py b/external/poky/scripts/lib/wic/plugins/imager/direct.py index bb14a334..2d06c242 100644 --- a/external/poky/scripts/lib/wic/plugins/imager/direct.py +++ b/external/poky/scripts/lib/wic/plugins/imager/direct.py @@ -1,21 +1,7 @@ -# ex:ts=4:sw=4:sts=4:et -# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- # # Copyright (c) 2013, Intel Corporation. -# All rights reserved. # -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License version 2 as -# published by the Free Software Foundation. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License along -# with this program; if not, write to the Free Software Foundation, Inc., -# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +# SPDX-License-Identifier: GPL-2.0-only # # DESCRIPTION # This implements the 'direct' imager plugin class for 'wic' @@ -63,7 +49,6 @@ class DirectPlugin(ImagerPlugin): # parse possible 'rootfs=name' items self.rootfs_dir = dict(rdir.split('=') for rdir in rootfs_dir.split(' ')) - self.replaced_rootfs_paths = {} self.bootimg_dir = bootimg_dir self.kernel_dir = kernel_dir self.native_sysroot = native_sysroot @@ -73,6 +58,7 @@ class DirectPlugin(ImagerPlugin): self.compressor = options.compressor self.bmap = options.bmap self.no_fstab_update = options.no_fstab_update + self.original_fstab = None self.name = "%s-%s" % (os.path.splitext(os.path.basename(wks_file))[0], strftime("%Y%m%d%H%M")) @@ -118,24 +104,13 @@ class DirectPlugin(ImagerPlugin): with open(fstab_path) as fstab: fstab_lines = fstab.readlines() + self.original_fstab = fstab_lines.copy() if self._update_fstab(fstab_lines, self.parts): - # copy rootfs dir to workdir to update fstab - # as rootfs can be used by other tasks and can't be modified - new_pseudo = os.path.realpath(os.path.join(self.workdir, "pseudo")) - from_dir = os.path.join(os.path.join(image_rootfs, ".."), "pseudo") - from_dir = os.path.realpath(from_dir) - copyhardlinktree(from_dir, new_pseudo) - new_rootfs = os.path.realpath(os.path.join(self.workdir, "rootfs_copy")) - copyhardlinktree(image_rootfs, new_rootfs) - fstab_path = os.path.join(new_rootfs, 'etc/fstab') - - os.unlink(fstab_path) - with open(fstab_path, "w") as fstab: fstab.writelines(fstab_lines) - - return new_rootfs + else: + self.original_fstab = None def _update_fstab(self, fstab_lines, parts): """Assume partition order same as in wks""" @@ -184,14 +159,8 @@ class DirectPlugin(ImagerPlugin): filesystems from the artifacts directly and combine them into a partitioned image. """ - if self.no_fstab_update: - new_rootfs = None - else: - new_rootfs = self._write_fstab(self.rootfs_dir.get("ROOTFS_DIR")) - if new_rootfs: - # rootfs was copied to update fstab - self.replaced_rootfs_paths[new_rootfs] = self.rootfs_dir['ROOTFS_DIR'] - self.rootfs_dir['ROOTFS_DIR'] = new_rootfs + if not self.no_fstab_update: + self._write_fstab(self.rootfs_dir.get("ROOTFS_DIR")) for part in self.parts: # get rootfs size from bitbake variable if it's not set in .ks file @@ -267,8 +236,6 @@ class DirectPlugin(ImagerPlugin): else: suffix = '["%s"]:' % (part.mountpoint or part.label) rootdir = part.rootfs_dir - if rootdir in self.replaced_rootfs_paths: - rootdir = self.replaced_rootfs_paths[rootdir] msg += ' ROOTFS_DIR%s%s\n' % (suffix.ljust(20), rootdir) msg += ' BOOTIMG_DIR: %s\n' % self.bootimg_dir @@ -306,6 +273,12 @@ class DirectPlugin(ImagerPlugin): if os.path.isfile(path): shutil.move(path, os.path.join(self.outdir, fname)) + #Restore original fstab + if self.original_fstab: + fstab_path = self.rootfs_dir.get("ROOTFS_DIR") + "/etc/fstab" + with open(fstab_path, "w") as fstab: + fstab.writelines(self.original_fstab) + # remove work directory shutil.rmtree(self.workdir, ignore_errors=True) @@ -327,6 +300,10 @@ class PartitionedImage(): self.path = path # Path to the image file self.numpart = 0 # Number of allocated partitions self.realpart = 0 # Number of partitions in the partition table + self.primary_part_num = 0 # Number of primary partitions (msdos) + self.extendedpart = 0 # Create extended partition before this logical partition (msdos) + self.extended_size_sec = 0 # Size of exteded partition (msdos) + self.logical_part_cnt = 0 # Number of total logical paritions (msdos) self.offset = 0 # Offset of next partition (in sectors) self.min_size = 0 # Minimum required disk size to fit # all partitions (in bytes) @@ -339,6 +316,7 @@ class PartitionedImage(): # Size of a sector used in calculations self.sector_size = SECTOR_SIZE self.native_sysroot = native_sysroot + num_real_partitions = len([p for p in self.partitions if not p.no_table]) # calculate the real partition number, accounting for partitions not # in the partition table and logical partitions @@ -348,7 +326,7 @@ class PartitionedImage(): part.realnum = 0 else: realnum += 1 - if self.ptable_format == 'msdos' and realnum > 3 and len(partitions) > 4: + if self.ptable_format == 'msdos' and realnum > 3 and num_real_partitions > 4: part.realnum = realnum + 1 continue part.realnum = realnum @@ -418,12 +396,16 @@ class PartitionedImage(): # Skip one sector required for the partitioning scheme overhead self.offset += overhead - if self.realpart > 3 and num_real_partitions > 4: + if self.ptable_format == "msdos": + if self.primary_part_num > 3 or \ + (self.extendedpart == 0 and self.primary_part_num >= 3 and num_real_partitions > 4): + part.type = 'logical' # Reserve a sector for EBR for every logical partition # before alignment is performed. - if self.ptable_format == "msdos": - self.offset += 1 + if part.type == 'logical': + self.offset += 2 + align_sectors = 0 if part.align: # If not first partition and we do have alignment set we need # to align the partition. @@ -449,18 +431,25 @@ class PartitionedImage(): part.start = self.offset self.offset += part.size_sec - part.type = 'primary' if not part.no_table: part.num = self.realpart else: part.num = 0 - if self.ptable_format == "msdos": - # only count the partitions that are in partition table - if num_real_partitions > 4: - if self.realpart > 3: - part.type = 'logical' - part.num = self.realpart + 1 + if self.ptable_format == "msdos" and not part.no_table: + if part.type == 'logical': + self.logical_part_cnt += 1 + part.num = self.logical_part_cnt + 4 + if self.extendedpart == 0: + # Create extended partition as a primary partition + self.primary_part_num += 1 + self.extendedpart = part.num + else: + self.extended_size_sec += align_sectors + self.extended_size_sec += part.size_sec + 2 + else: + self.primary_part_num += 1 + part.num = self.primary_part_num logger.debug("Assigned %s to %s%d, sectors range %d-%d size %d " "sectors (%d bytes).", part.mountpoint, part.disk, @@ -510,7 +499,7 @@ class PartitionedImage(): if part.num == 0: continue - if self.ptable_format == "msdos" and part.num == 5: + if self.ptable_format == "msdos" and part.num == self.extendedpart: # Create an extended partition (note: extended # partition is described in MBR and contains all # logical partitions). The logical partitions save a @@ -523,8 +512,8 @@ class PartitionedImage(): # add a sector at the back, so that there is enough # room for all logical partitions. self._create_partition(self.path, "extended", - None, part.start - 1, - self.offset - part.start + 1) + None, part.start - 2, + self.extended_size_sec) if part.fstype == "swap": parted_fs_type = "linux-swap" @@ -591,9 +580,7 @@ class PartitionedImage(): self.native_sysroot) def cleanup(self): - # remove partition images - for image in set(self.partimages): - os.remove(image) + pass def assemble(self): logger.debug("Installing partitions") |