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 extra commands needed for Group during OTA installation
16(installing the bootloader)."""
17
18import common
19
20def FullOTA_InstallEnd(info):
21  try:
22    bootloader_bin = info.input_zip.read("RADIO/bootloader.raw")
23  except KeyError:
24    print "no bootloader.raw in target_files; skipping install"
25  else:
26    WriteBootloader(info, bootloader_bin)
27
28  try:
29    radio_img = info.input_zip.read("RADIO/radio.raw")
30  except KeyError:
31    print "no radio.raw in target_files; skipping install"
32  else:
33    WriteRadio(info, radio_img)
34
35def IncrementalOTA_InstallBegin(info):
36  info.script.Unmount("/system")
37  info.script.TunePartition("/system", "-O", "^has_journal")
38  info.script.Mount("/system")
39
40def IncrementalOTA_InstallEnd(info):
41  try:
42    target_bootloader_bin = info.target_zip.read("RADIO/bootloader.raw")
43    try:
44      source_bootloader_bin = info.source_zip.read("RADIO/bootloader.raw")
45    except KeyError:
46      source_bootloader_bin = None
47
48    if source_bootloader_bin == target_bootloader_bin:
49      print "bootloader unchanged; skipping"
50    else:
51      WriteBootloader(info, target_bootloader_bin)
52  except KeyError:
53    print "no bootloader.raw in target target_files; skipping install"
54
55  try:
56    target_radio_img = info.target_zip.read("RADIO/radio.raw")
57    try:
58      source_radio_img = info.source_zip.read("RADIO/radio.raw")
59    except KeyError:
60      source_radio_img = None
61
62    if source_radio_img == target_radio_img:
63      print "radio image unchanged; skipping"
64    else:
65      WriteRadio(info, target_radio_img)
66  except KeyError:
67    print "no radio.raw in target_files; skipping install"
68
69
70def WriteBootloader(info, bootloader_bin):
71  common.ZipWriteStr(info.output_zip, "bootloader.raw", bootloader_bin)
72  fstab = info.info_dict["fstab"]
73
74  info.script.Print("Writing bootloader...")
75
76  info.script.AppendExtra('''package_extract_file("bootloader.raw", "%s");''' %
77                          (fstab["/staging"].device,))
78
79def WriteRadio(info, radio_img):
80  common.ZipWriteStr(info.output_zip, "radio.raw", radio_img)
81  fstab = info.info_dict["fstab"]
82
83  info.script.Print("Writing radio...")
84
85  info.script.AppendExtra("""assert(package_extract_file("radio.raw", "%s"),
86                          mount("ext4", "EMMC", "%s", "/radio"),
87                          bach.update_modem("/radio/SAM_6260_ALL.fls"),
88                          unmount("/radio"));""" %
89                          (fstab["/radio"].device, fstab["/radio"].device))
90