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1# Copyright (C) 2012 The Android Open Source Project
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#      http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15"""Emit commands needed for Mantaray during OTA installation
16(installing the bootloader)."""
17
18import common
19
20def FullOTA_InstallEnd(info):
21  try:
22    bootloader_img = info.input_zip.read("RADIO/bootloader.img")
23  except KeyError:
24    print "no bootloader.img in target_files; skipping install"
25  else:
26    WriteBootloader(info, bootloader_img)
27
28def IncrementalOTA_InstallBegin(info):
29  info.script.Unmount("/system")
30  info.script.TunePartition("/system", "-O", "^has_journal")
31  info.script.Mount("/system")
32
33def IncrementalOTA_VerifyEnd(info):
34  # try:
35  #   target_radio_img = info.target_zip.read("RADIO/radio.img")
36  #   source_radio_img = info.source_zip.read("RADIO/radio.img")
37  # except KeyError:
38  #   # No source or target radio. Nothing to verify
39  #   pass
40  # else:
41  #   if source_radio_img != target_radio_img:
42  #     info.script.CacheFreeSpaceCheck(len(source_radio_img))
43  #     radio_type, radio_device = common.GetTypeAndDevice("/radio", info.info_dict)
44  #     info.script.PatchCheck("%s:%s:%d:%s:%d:%s" % (
45  #         radio_type, radio_device,
46  #         len(source_radio_img), common.sha1(source_radio_img).hexdigest(),
47  #         len(target_radio_img), common.sha1(target_radio_img).hexdigest()))
48  pass
49
50def IncrementalOTA_InstallEnd(info):
51  try:
52    target_bootloader_img = info.target_zip.read("RADIO/bootloader.img")
53    try:
54      source_bootloader_img = info.source_zip.read("RADIO/bootloader.img")
55    except KeyError:
56      source_bootloader_img = None
57
58    if source_bootloader_img == target_bootloader_img:
59      print "bootloader unchanged; skipping"
60    else:
61      WriteBootloader(info, target_bootloader_img)
62  except KeyError:
63    print "no bootloader.img in target target_files; skipping install"
64
65def WriteBootloader(info, bootloader_img):
66  common.ZipWriteStr(info.output_zip, "bootloader.img", bootloader_img)
67  bl_type, bl_device = common.GetTypeAndDevice("/bootloader", info.info_dict)
68
69  fstab = info.info_dict["fstab"]
70
71  info.script.Print("Writing bootloader...")
72  force_ro = "/sys/block/" + bl_device.split("/")[-1] + "/force_ro"
73  info.script.AppendExtra(
74      ('samsung.manta.write_bootloader(package_extract_file('
75       '"bootloader.img"), "%s", "%s");') %
76      (bl_device, force_ro))
77