mirror of
https://github.com/followmsi/android_device_asus_deb.git
synced 2024-11-06 22:06:28 +00:00
Releasetools: resize system partition after flashing
We need an enlarged system partition to fit even minimal gapps. Flash a stock sized partition and resize to the actual partition size before restoring gapps. Change-Id: Id6d0d89fab5249f8e6b7eae9c1dd365f0357afed
This commit is contained in:
Caio Schnepper
followmsi
parent
11c97888a0
commit
810879c2ad
1 changed files with 21 additions and 233 deletions
254
releasetools.py
254
releasetools.py
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@ -1,237 +1,25 @@
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# Copyright (C) 2012 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import common
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import struct
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def FindRadio(zipfile):
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try:
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return zipfile.read("RADIO/radio.img")
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except KeyError:
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return None
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def FullOTA_PostValidate(info):
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# run e2fsck
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info.script.AppendExtra('run_program("/sbin/e2fsck", "-fy", "/dev/block/platform/msm_sdcc.1/by-name/system");');
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# resize2fs: run and delete
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info.script.AppendExtra('run_program("/sbin/resize2fs", "/dev/block/platform/msm_sdcc.1/by-name/system");');
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# run e2fsck
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info.script.AppendExtra('run_program("/sbin/e2fsck", "-fy", "/dev/block/platform/msm_sdcc.1/by-name/system");');
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def FullOTA_InstallEnd(info):
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try:
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bootloader_img = info.input_zip.read("RADIO/bootloader.img")
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except KeyError:
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print "no bootloader.img in target_files; skipping install"
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else:
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WriteBootloader(info, bootloader_img)
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radio_img = FindRadio(info.input_zip)
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if radio_img:
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WriteRadio(info, radio_img)
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else:
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print "no radio.img in target_files; skipping install"
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DDR_img = FindDDR(info.input_zip)
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if DDR_img:
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WriteDDR(info, DDR_img)
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else:
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print "no DDR.bin in target_files; skipping install"
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def IncrementalOTA_VerifyEnd(info):
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target_radio_img = FindRadio(info.target_zip)
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source_radio_img = FindRadio(info.source_zip)
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if not target_radio_img or not source_radio_img: return
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if source_radio_img != target_radio_img:
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info.script.CacheFreeSpaceCheck(len(source_radio_img))
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radio_type, radio_device = common.GetTypeAndDevice("/radio", info.info_dict)
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info.script.PatchCheck("%s:%s:%d:%s:%d:%s" % (
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radio_type, radio_device,
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len(source_radio_img), common.sha1(source_radio_img).hexdigest(),
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len(target_radio_img), common.sha1(target_radio_img).hexdigest()))
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def IncrementalOTA_InstallBegin(info):
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# Reduce the space taken by the journal.
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info.script.Unmount("/system")
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info.script.TunePartition("/system", "-O", "^has_journal")
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info.script.Mount("/system")
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def IncrementalOTA_InstallEnd(info):
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try:
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target_bootloader_img = info.target_zip.read("RADIO/bootloader.img")
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try:
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source_bootloader_img = info.source_zip.read("RADIO/bootloader.img")
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except KeyError:
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source_bootloader_img = None
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if source_bootloader_img == target_bootloader_img:
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print "bootloader unchanged; skipping"
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else:
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WriteBootloader(info, target_bootloader_img)
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except KeyError:
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print "no bootloader.img in target target_files; skipping install"
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df = FindDDR(info.target_zip)
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if not df:
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print "no DDR.bin in target target_files; skipping install"
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else:
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df = common.File("DDR.bin", df)
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WriteDDR(info, df.data)
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tf = FindRadio(info.target_zip)
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if not tf:
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# failed to read TARGET radio image: don't include any radio in update.
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print "no radio.img in target target_files; skipping install"
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else:
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tf = common.File("radio.img", tf)
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sf = FindRadio(info.source_zip)
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if not sf:
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# failed to read SOURCE radio image: include the whole target
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# radio image.
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WriteRadio(info, tf.data)
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else:
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sf = common.File("radio.img", sf)
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if tf.sha1 == sf.sha1:
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print "radio image unchanged; skipping"
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else:
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diff = common.Difference(tf, sf, diff_program="bsdiff")
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common.ComputeDifferences([diff])
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_, _, d = diff.GetPatch()
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if d is None or len(d) > tf.size * common.OPTIONS.patch_threshold:
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# computing difference failed, or difference is nearly as
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# big as the target: simply send the target.
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WriteRadio(info, tf.data)
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else:
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common.ZipWriteStr(info.output_zip, "radio.img.p", d)
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info.script.Print("Patching radio...")
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radio_type, radio_device = common.GetTypeAndDevice(
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"/radio", info.info_dict)
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info.script.ApplyPatch(
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"%s:%s:%d:%s:%d:%s" % (radio_type, radio_device,
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sf.size, sf.sha1, tf.size, tf.sha1),
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"-", tf.size, tf.sha1, sf.sha1, "radio.img.p")
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def WriteRadio(info, radio_img):
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info.script.Print("Writing radio...")
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common.ZipWriteStr(info.output_zip, "radio.img", radio_img)
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_, device = common.GetTypeAndDevice("/radio", info.info_dict)
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WriteImageAssert(info, "radio.img", radio_img, device)
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def FindDDR(zipfile):
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try:
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return zipfile.read("RADIO/DDR.bin")
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except KeyError:
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return None
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def WriteDDR(info, DDR_img):
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info.script.Print("Writing DDR...")
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common.ZipWriteStr(info.output_zip, "DDR.bin", DDR_img)
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info.script.AppendExtra(
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'package_extract_file("DDR.bin", "/dev/block/platform/msm_sdcc.1/by-name/DDR");' )
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# /* msm8960 bootloader.img format */
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#
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# #define BOOTLDR_MAGIC "BOOTLDR!"
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# #define BOOTLDR_MAGIC_SIZE 8
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#
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# struct bootloader_images_header {
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# char magic[BOOTLDR_MAGIC_SIZE];
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# unsigned int num_images;
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# unsigned int start_offset;
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# unsigned int bootldr_size;
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# struct {
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# char name[64];
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# unsigned int size;
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# } img_info[];
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# };
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def WriteBootloader(info, bootloader):
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info.script.Print("Writing bootloader...")
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# bootloader.img contains 6 separate images. Each goes to its own
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# partition; we write all 6 for development devices but skip one for
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# release devices.. There are backup partitions of all but the
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# special one that we also write. The special one is "sbl1", which
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# does not have a backup, so we don't update it on release devices..
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header_fmt = "<8sIII"
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header_size = struct.calcsize(header_fmt)
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magic, num_images, start_offset, bootloader_size = struct.unpack(
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header_fmt, bootloader[:header_size])
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assert magic == "BOOTLDR!", "bootloader.img bad magic value"
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img_info_fmt = "<64sI"
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img_info_size = struct.calcsize(img_info_fmt)
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imgs = [struct.unpack(img_info_fmt,
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bootloader[header_size+i*img_info_size:
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header_size+(i+1)*img_info_size])
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for i in range(num_images)]
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total = 0
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p = start_offset
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img_dict = {}
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for name, size in imgs:
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img_dict[trunc_to_null(name)] = p, size
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p += size
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assert p - start_offset == bootloader_size, "bootloader.img corrupted"
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imgs = img_dict
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common.ZipWriteStr(info.output_zip, "bootloader-flag.txt",
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"updating-bootloader" + "\0" * 13)
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common.ZipWriteStr(info.output_zip, "bootloader-flag-clear.txt", "\0" * 32)
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_, misc_device = common.GetTypeAndDevice("/misc", info.info_dict)
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info.script.AppendExtra(
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'package_extract_file("bootloader-flag.txt", "%s");' %
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(misc_device,))
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# flashing sbl1 is somewhat dangerous because if we die while doing
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# it the device can't boot. Do it for development devices but not
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# release devices.
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fp = info.info_dict["build.prop"]["ro.build.fingerprint"]
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if "release-keys" in fp:
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to_flash = "sbl2 sbl3 tz rpm aboot".split()
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else:
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to_flash = "sbl1 sbl2 sbl3 tz rpm aboot".split()
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# Write the images to separate files in the OTA package
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for i in to_flash:
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try:
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_, device = common.GetTypeAndDevice("/"+i, info.info_dict)
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except KeyError:
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print "skipping flash of %s; not in recovery.fstab" % (i,)
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continue
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common.ZipWriteStr(info.output_zip, "bootloader.%s.img" % (i,),
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bootloader[imgs[i][0]:imgs[i][0]+imgs[i][1]])
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WriteImageAssert(info, "bootloader.%s.img" % (i,),
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bootloader[imgs[i][0]:imgs[i][0]+imgs[i][1]], device)
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info.script.AppendExtra(
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'package_extract_file("bootloader-flag-clear.txt", "%s");' %
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(misc_device,))
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try:
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# there is no "sbl1b" partition
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for i in "sbl2 sbl3 tz rpm aboot".split():
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_, device = common.GetTypeAndDevice("/"+i+"b", info.info_dict)
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WriteImageAssert(info, "bootloader.%s.img" % (i,),
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bootloader[imgs[i][0]:imgs[i][0]+imgs[i][1]], device)
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except KeyError:
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pass
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def trunc_to_null(s):
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if '\0' in s:
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return s[:s.index('\0')]
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else:
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return s
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def WriteImageAssert(info, file_name, file_data, partition):
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checksum = common.sha1(file_data).hexdigest()
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file_size = len(file_data)
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info.script.AppendExtra('ifelse((sha1_check(read_file("EMMC:%s:%d:%s")) != ""),'
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'(ui_print("%s already up to date")),'
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'(package_extract_file("%s", "%s")));'
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% (partition, file_size, checksum, partition, file_name, partition))
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