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Patrick Williamsd8c66bc2016-06-20 12:57:21 -05001#
2# Copyright (c) 2013-2016 Intel Corporation.
Patrick Williamsd8c66bc2016-06-20 12:57:21 -05003#
Brad Bishopc342db32019-05-15 21:57:59 -04004# SPDX-License-Identifier: GPL-2.0-only
Patrick Williamsd8c66bc2016-06-20 12:57:21 -05005#
6# DESCRIPTION
7# This module provides the OpenEmbedded partition object definitions.
8#
9# AUTHORS
10# Tom Zanussi <tom.zanussi (at] linux.intel.com>
11# Ed Bartosh <ed.bartosh> (at] linux.intel.com>
12
Brad Bishop6e60e8b2018-02-01 10:27:11 -050013import logging
Patrick Williamsd8c66bc2016-06-20 12:57:21 -050014import os
Brad Bishop316dfdd2018-06-25 12:45:53 -040015import uuid
Patrick Williamsd8c66bc2016-06-20 12:57:21 -050016
Brad Bishop6e60e8b2018-02-01 10:27:11 -050017from wic import WicError
Brad Bishopd7bf8c12018-02-25 22:55:05 -050018from wic.misc import exec_cmd, exec_native_cmd, get_bitbake_var
Brad Bishop6e60e8b2018-02-01 10:27:11 -050019from wic.pluginbase import PluginMgr
Patrick Williamsd8c66bc2016-06-20 12:57:21 -050020
Brad Bishop6e60e8b2018-02-01 10:27:11 -050021logger = logging.getLogger('wic')
Patrick Williamsd8c66bc2016-06-20 12:57:21 -050022
Patrick Williamsc0f7c042017-02-23 20:41:17 -060023class Partition():
Patrick Williamsd8c66bc2016-06-20 12:57:21 -050024
25 def __init__(self, args, lineno):
26 self.args = args
27 self.active = args.active
28 self.align = args.align
29 self.disk = args.disk
Brad Bishop6e60e8b2018-02-01 10:27:11 -050030 self.device = None
Patrick Williamsd8c66bc2016-06-20 12:57:21 -050031 self.extra_space = args.extra_space
Brad Bishop6e60e8b2018-02-01 10:27:11 -050032 self.exclude_path = args.exclude_path
Andrew Geissler82c905d2020-04-13 13:39:40 -050033 self.include_path = args.include_path
34 self.change_directory = args.change_directory
Patrick Williamsd8c66bc2016-06-20 12:57:21 -050035 self.fsopts = args.fsopts
36 self.fstype = args.fstype
37 self.label = args.label
Brad Bishop1a4b7ee2018-12-16 17:11:34 -080038 self.use_label = args.use_label
Brad Bishopd7bf8c12018-02-25 22:55:05 -050039 self.mkfs_extraopts = args.mkfs_extraopts
Patrick Williamsd8c66bc2016-06-20 12:57:21 -050040 self.mountpoint = args.mountpoint
41 self.no_table = args.no_table
Brad Bishop6e60e8b2018-02-01 10:27:11 -050042 self.num = None
Andrew Geissler4ed12e12020-06-05 18:00:41 -050043 self.offset = args.offset
Patrick Williamsd8c66bc2016-06-20 12:57:21 -050044 self.overhead_factor = args.overhead_factor
Brad Bishopd7bf8c12018-02-25 22:55:05 -050045 self.part_name = args.part_name
Patrick Williamsd8c66bc2016-06-20 12:57:21 -050046 self.part_type = args.part_type
47 self.rootfs_dir = args.rootfs_dir
48 self.size = args.size
Brad Bishop6e60e8b2018-02-01 10:27:11 -050049 self.fixed_size = args.fixed_size
Patrick Williamsd8c66bc2016-06-20 12:57:21 -050050 self.source = args.source
51 self.sourceparams = args.sourceparams
Patrick Williamsc0f7c042017-02-23 20:41:17 -060052 self.system_id = args.system_id
Patrick Williamsd8c66bc2016-06-20 12:57:21 -050053 self.use_uuid = args.use_uuid
54 self.uuid = args.uuid
Brad Bishop316dfdd2018-06-25 12:45:53 -040055 self.fsuuid = args.fsuuid
Brad Bishop08902b02019-08-20 09:16:51 -040056 self.type = args.type
Patrick Williamsd8c66bc2016-06-20 12:57:21 -050057
58 self.lineno = lineno
59 self.source_file = ""
Patrick Williamsd8c66bc2016-06-20 12:57:21 -050060
61 def get_extra_block_count(self, current_blocks):
62 """
63 The --size param is reflected in self.size (in kB), and we already
64 have current_blocks (1k) blocks, calculate and return the
65 number of (1k) blocks we need to add to get to --size, 0 if
66 we're already there or beyond.
67 """
Brad Bishop6e60e8b2018-02-01 10:27:11 -050068 logger.debug("Requested partition size for %s: %d",
69 self.mountpoint, self.size)
Patrick Williamsd8c66bc2016-06-20 12:57:21 -050070
71 if not self.size:
72 return 0
73
74 requested_blocks = self.size
75
Brad Bishop6e60e8b2018-02-01 10:27:11 -050076 logger.debug("Requested blocks %d, current_blocks %d",
77 requested_blocks, current_blocks)
Patrick Williamsd8c66bc2016-06-20 12:57:21 -050078
79 if requested_blocks > current_blocks:
80 return requested_blocks - current_blocks
81 else:
82 return 0
83
Brad Bishop6e60e8b2018-02-01 10:27:11 -050084 def get_rootfs_size(self, actual_rootfs_size=0):
85 """
86 Calculate the required size of rootfs taking into consideration
87 --size/--fixed-size flags as well as overhead and extra space, as
88 specified in kickstart file. Raises an error if the
89 `actual_rootfs_size` is larger than fixed-size rootfs.
90
91 """
92 if self.fixed_size:
93 rootfs_size = self.fixed_size
94 if actual_rootfs_size > rootfs_size:
95 raise WicError("Actual rootfs size (%d kB) is larger than "
96 "allowed size %d kB" %
97 (actual_rootfs_size, rootfs_size))
98 else:
99 extra_blocks = self.get_extra_block_count(actual_rootfs_size)
100 if extra_blocks < self.extra_space:
101 extra_blocks = self.extra_space
102
103 rootfs_size = actual_rootfs_size + extra_blocks
104 rootfs_size *= self.overhead_factor
105
106 logger.debug("Added %d extra blocks to %s to get to %d total blocks",
107 extra_blocks, self.mountpoint, rootfs_size)
108
109 return rootfs_size
110
111 @property
112 def disk_size(self):
113 """
114 Obtain on-disk size of partition taking into consideration
115 --size/--fixed-size options.
116
117 """
118 return self.fixed_size if self.fixed_size else self.size
119
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500120 def prepare(self, creator, cr_workdir, oe_builddir, rootfs_dir,
121 bootimg_dir, kernel_dir, native_sysroot):
122 """
123 Prepare content for individual partitions, depending on
124 partition command parameters.
125 """
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500126 if not self.source:
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500127 if not self.size and not self.fixed_size:
128 raise WicError("The %s partition has a size of zero. Please "
129 "specify a non-zero --size/--fixed-size for that "
130 "partition." % self.mountpoint)
131
132 if self.fstype == "swap":
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500133 self.prepare_swap_partition(cr_workdir, oe_builddir,
134 native_sysroot)
135 self.source_file = "%s/fs.%s" % (cr_workdir, self.fstype)
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500136 else:
137 if self.fstype == 'squashfs':
138 raise WicError("It's not possible to create empty squashfs "
139 "partition '%s'" % (self.mountpoint))
140
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500141 rootfs = "%s/fs_%s.%s.%s" % (cr_workdir, self.label,
142 self.lineno, self.fstype)
143 if os.path.isfile(rootfs):
144 os.remove(rootfs)
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500145
146 prefix = "ext" if self.fstype.startswith("ext") else self.fstype
147 method = getattr(self, "prepare_empty_partition_" + prefix)
148 method(rootfs, oe_builddir, native_sysroot)
149 self.source_file = rootfs
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500150 return
151
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500152 plugins = PluginMgr.get_plugins('source')
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500153
154 if self.source not in plugins:
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500155 raise WicError("The '%s' --source specified for %s doesn't exist.\n\t"
156 "See 'wic list source-plugins' for a list of available"
157 " --sources.\n\tSee 'wic help source-plugins' for "
158 "details on adding a new source plugin." %
159 (self.source, self.mountpoint))
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500160
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500161 srcparams_dict = {}
162 if self.sourceparams:
163 # Split sourceparams string of the form key1=val1[,key2=val2,...]
164 # into a dict. Also accepts valueless keys i.e. without =
165 splitted = self.sourceparams.split(',')
Brad Bishop19323692019-04-05 15:28:33 -0400166 srcparams_dict = dict(par.split('=', 1) for par in splitted if par)
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500167
168 plugin = PluginMgr.get_plugins('source')[self.source]
169 plugin.do_configure_partition(self, srcparams_dict, creator,
170 cr_workdir, oe_builddir, bootimg_dir,
171 kernel_dir, native_sysroot)
172 plugin.do_stage_partition(self, srcparams_dict, creator,
173 cr_workdir, oe_builddir, bootimg_dir,
174 kernel_dir, native_sysroot)
175 plugin.do_prepare_partition(self, srcparams_dict, creator,
176 cr_workdir, oe_builddir, bootimg_dir,
177 kernel_dir, rootfs_dir, native_sysroot)
Brad Bishop316dfdd2018-06-25 12:45:53 -0400178 plugin.do_post_partition(self, srcparams_dict, creator,
179 cr_workdir, oe_builddir, bootimg_dir,
180 kernel_dir, rootfs_dir, native_sysroot)
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500181
Brad Bishop37a0e4d2017-12-04 01:01:44 -0500182 # further processing required Partition.size to be an integer, make
183 # sure that it is one
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500184 if not isinstance(self.size, int):
185 raise WicError("Partition %s internal size is not an integer. "
186 "This a bug in source plugin %s and needs to be fixed." %
187 (self.mountpoint, self.source))
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500188
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500189 if self.fixed_size and self.size > self.fixed_size:
190 raise WicError("File system image of partition %s is "
191 "larger (%d kB) than its allowed size %d kB" %
192 (self.mountpoint, self.size, self.fixed_size))
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500193
194 def prepare_rootfs(self, cr_workdir, oe_builddir, rootfs_dir,
Andrew Geissler82c905d2020-04-13 13:39:40 -0500195 native_sysroot, real_rootfs = True, pseudo_dir = None):
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500196 """
197 Prepare content for a rootfs partition i.e. create a partition
198 and fill it from a /rootfs dir.
199
Brad Bishop316dfdd2018-06-25 12:45:53 -0400200 Currently handles ext2/3/4, btrfs, vfat and squashfs.
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500201 """
202 p_prefix = os.environ.get("PSEUDO_PREFIX", "%s/usr" % native_sysroot)
Andrew Geissler82c905d2020-04-13 13:39:40 -0500203 if (pseudo_dir):
204 pseudo = "export PSEUDO_PREFIX=%s;" % p_prefix
205 pseudo += "export PSEUDO_LOCALSTATEDIR=%s;" % pseudo_dir
206 pseudo += "export PSEUDO_PASSWD=%s;" % rootfs_dir
207 pseudo += "export PSEUDO_NOSYMLINKEXP=1;"
208 pseudo += "%s " % get_bitbake_var("FAKEROOTCMD")
209 else:
210 pseudo = None
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500211
212 rootfs = "%s/rootfs_%s.%s.%s" % (cr_workdir, self.label,
213 self.lineno, self.fstype)
214 if os.path.isfile(rootfs):
215 os.remove(rootfs)
216
Brad Bishop316dfdd2018-06-25 12:45:53 -0400217 if not self.size and real_rootfs:
Brad Bishop00e122a2019-10-05 11:10:57 -0400218 # The rootfs size is not set in .ks file so try to get it
219 # from bitbake variable
220 rsize_bb = get_bitbake_var('ROOTFS_SIZE')
221 rdir = get_bitbake_var('IMAGE_ROOTFS')
222 if rsize_bb and rdir == rootfs_dir:
223 # Bitbake variable ROOTFS_SIZE is calculated in
224 # Image._get_rootfs_size method from meta/lib/oe/image.py
225 # using IMAGE_ROOTFS_SIZE, IMAGE_ROOTFS_ALIGNMENT,
226 # IMAGE_OVERHEAD_FACTOR and IMAGE_ROOTFS_EXTRA_SPACE
227 self.size = int(round(float(rsize_bb)))
228 else:
229 # Bitbake variable ROOTFS_SIZE is not defined so compute it
230 # from the rootfs_dir size using the same logic found in
231 # get_rootfs_size() from meta/classes/image.bbclass
232 du_cmd = "du -ks %s" % rootfs_dir
233 out = exec_cmd(du_cmd)
234 self.size = int(out.split()[0])
Brad Bishop37a0e4d2017-12-04 01:01:44 -0500235
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500236 prefix = "ext" if self.fstype.startswith("ext") else self.fstype
237 method = getattr(self, "prepare_rootfs_" + prefix)
238 method(rootfs, oe_builddir, rootfs_dir, native_sysroot, pseudo)
239 self.source_file = rootfs
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500240
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500241 # get the rootfs size in the right units for kickstart (kB)
242 du_cmd = "du -Lbks %s" % rootfs
243 out = exec_cmd(du_cmd)
244 self.size = int(out.split()[0])
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500245
246 def prepare_rootfs_ext(self, rootfs, oe_builddir, rootfs_dir,
247 native_sysroot, pseudo):
248 """
249 Prepare content for an ext2/3/4 rootfs partition.
250 """
251 du_cmd = "du -ks %s" % rootfs_dir
252 out = exec_cmd(du_cmd)
253 actual_rootfs_size = int(out.split()[0])
254
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500255 rootfs_size = self.get_rootfs_size(actual_rootfs_size)
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500256
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500257 with open(rootfs, 'w') as sparse:
258 os.ftruncate(sparse.fileno(), rootfs_size * 1024)
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500259
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500260 extraopts = self.mkfs_extraopts or "-F -i 8192"
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500261
262 label_str = ""
263 if self.label:
264 label_str = "-L %s" % self.label
265
Brad Bishop316dfdd2018-06-25 12:45:53 -0400266 mkfs_cmd = "mkfs.%s %s %s %s -U %s -d %s" % \
267 (self.fstype, extraopts, rootfs, label_str, self.fsuuid, rootfs_dir)
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500268 exec_native_cmd(mkfs_cmd, native_sysroot, pseudo=pseudo)
269
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500270 mkfs_cmd = "fsck.%s -pvfD %s" % (self.fstype, rootfs)
Brad Bishop37a0e4d2017-12-04 01:01:44 -0500271 exec_native_cmd(mkfs_cmd, native_sysroot, pseudo=pseudo)
272
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500273 def prepare_rootfs_btrfs(self, rootfs, oe_builddir, rootfs_dir,
274 native_sysroot, pseudo):
275 """
276 Prepare content for a btrfs rootfs partition.
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500277 """
278 du_cmd = "du -ks %s" % rootfs_dir
279 out = exec_cmd(du_cmd)
280 actual_rootfs_size = int(out.split()[0])
281
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500282 rootfs_size = self.get_rootfs_size(actual_rootfs_size)
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500283
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500284 with open(rootfs, 'w') as sparse:
285 os.ftruncate(sparse.fileno(), rootfs_size * 1024)
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500286
287 label_str = ""
288 if self.label:
289 label_str = "-L %s" % self.label
290
Brad Bishop316dfdd2018-06-25 12:45:53 -0400291 mkfs_cmd = "mkfs.%s -b %d -r %s %s %s -U %s %s" % \
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500292 (self.fstype, rootfs_size * 1024, rootfs_dir, label_str,
Brad Bishop316dfdd2018-06-25 12:45:53 -0400293 self.mkfs_extraopts, self.fsuuid, rootfs)
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500294 exec_native_cmd(mkfs_cmd, native_sysroot, pseudo=pseudo)
295
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500296 def prepare_rootfs_msdos(self, rootfs, oe_builddir, rootfs_dir,
297 native_sysroot, pseudo):
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500298 """
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500299 Prepare content for a msdos/vfat rootfs partition.
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500300 """
301 du_cmd = "du -bks %s" % rootfs_dir
302 out = exec_cmd(du_cmd)
303 blocks = int(out.split()[0])
304
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500305 rootfs_size = self.get_rootfs_size(blocks)
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500306
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500307 label_str = "-n boot"
308 if self.label:
309 label_str = "-n %s" % self.label
310
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500311 size_str = ""
312 if self.fstype == 'msdos':
313 size_str = "-F 16" # FAT 16
314
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500315 extraopts = self.mkfs_extraopts or '-S 512'
316
Brad Bishop316dfdd2018-06-25 12:45:53 -0400317 dosfs_cmd = "mkdosfs %s -i %s %s %s -C %s %d" % \
318 (label_str, self.fsuuid, size_str, extraopts, rootfs,
Brad Bishopc342db32019-05-15 21:57:59 -0400319 rootfs_size)
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500320 exec_native_cmd(dosfs_cmd, native_sysroot)
321
322 mcopy_cmd = "mcopy -i %s -s %s/* ::/" % (rootfs, rootfs_dir)
323 exec_native_cmd(mcopy_cmd, native_sysroot)
324
325 chmod_cmd = "chmod 644 %s" % rootfs
326 exec_cmd(chmod_cmd)
327
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500328 prepare_rootfs_vfat = prepare_rootfs_msdos
329
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500330 def prepare_rootfs_squashfs(self, rootfs, oe_builddir, rootfs_dir,
331 native_sysroot, pseudo):
332 """
333 Prepare content for a squashfs rootfs partition.
334 """
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500335 extraopts = self.mkfs_extraopts or '-noappend'
336 squashfs_cmd = "mksquashfs %s %s %s" % \
337 (rootfs_dir, rootfs, extraopts)
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500338 exec_native_cmd(squashfs_cmd, native_sysroot, pseudo=pseudo)
339
340 def prepare_empty_partition_ext(self, rootfs, oe_builddir,
341 native_sysroot):
342 """
343 Prepare an empty ext2/3/4 partition.
344 """
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500345 size = self.disk_size
346 with open(rootfs, 'w') as sparse:
347 os.ftruncate(sparse.fileno(), size * 1024)
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500348
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500349 extraopts = self.mkfs_extraopts or "-i 8192"
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500350
351 label_str = ""
352 if self.label:
353 label_str = "-L %s" % self.label
354
Brad Bishop316dfdd2018-06-25 12:45:53 -0400355 mkfs_cmd = "mkfs.%s -F %s %s -U %s %s" % \
356 (self.fstype, extraopts, label_str, self.fsuuid, rootfs)
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500357 exec_native_cmd(mkfs_cmd, native_sysroot)
358
359 def prepare_empty_partition_btrfs(self, rootfs, oe_builddir,
360 native_sysroot):
361 """
362 Prepare an empty btrfs partition.
363 """
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500364 size = self.disk_size
365 with open(rootfs, 'w') as sparse:
366 os.ftruncate(sparse.fileno(), size * 1024)
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500367
368 label_str = ""
369 if self.label:
370 label_str = "-L %s" % self.label
371
Brad Bishop316dfdd2018-06-25 12:45:53 -0400372 mkfs_cmd = "mkfs.%s -b %d %s -U %s %s %s" % \
373 (self.fstype, self.size * 1024, label_str, self.fsuuid,
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500374 self.mkfs_extraopts, rootfs)
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500375 exec_native_cmd(mkfs_cmd, native_sysroot)
376
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500377 def prepare_empty_partition_msdos(self, rootfs, oe_builddir,
378 native_sysroot):
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500379 """
380 Prepare an empty vfat partition.
381 """
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500382 blocks = self.disk_size
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500383
384 label_str = "-n boot"
385 if self.label:
386 label_str = "-n %s" % self.label
387
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500388 size_str = ""
389 if self.fstype == 'msdos':
390 size_str = "-F 16" # FAT 16
391
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500392 extraopts = self.mkfs_extraopts or '-S 512'
393
Brad Bishop316dfdd2018-06-25 12:45:53 -0400394 dosfs_cmd = "mkdosfs %s -i %s %s %s -C %s %d" % \
395 (label_str, self.fsuuid, extraopts, size_str, rootfs,
396 blocks)
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500397
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500398 exec_native_cmd(dosfs_cmd, native_sysroot)
399
400 chmod_cmd = "chmod 644 %s" % rootfs
401 exec_cmd(chmod_cmd)
402
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500403 prepare_empty_partition_vfat = prepare_empty_partition_msdos
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500404
405 def prepare_swap_partition(self, cr_workdir, oe_builddir, native_sysroot):
406 """
407 Prepare a swap partition.
408 """
409 path = "%s/fs.%s" % (cr_workdir, self.fstype)
410
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500411 with open(path, 'w') as sparse:
412 os.ftruncate(sparse.fileno(), self.size * 1024)
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500413
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500414 label_str = ""
415 if self.label:
416 label_str = "-L %s" % self.label
Brad Bishop316dfdd2018-06-25 12:45:53 -0400417
418 mkswap_cmd = "mkswap %s -U %s %s" % (label_str, self.fsuuid, path)
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500419 exec_native_cmd(mkswap_cmd, native_sysroot)