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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 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
35
36def IncrementalOTA_InstallEnd(info):
37  try:
38    target_bootloader_bin = info.target_zip.read("RADIO/bootloader.raw")
39    try:
40      source_bootloader_bin = info.source_zip.read("RADIO/bootloader.raw")
41    except KeyError:
42      source_bootloader_bin = None
43
44    if source_bootloader_bin == target_bootloader_bin:
45      print "bootloader unchanged; skipping"
46    else:
47      WriteBootloader(info, target_bootloader_bin)
48  except KeyError:
49    print "no bootloader.raw in target target_files; skipping install"
50
51  try:
52    target_radio_img = info.target_zip.read("RADIO/radio.raw")
53    try:
54      source_radio_img = info.source_zip.read("RADIO/radio.raw")
55    except KeyError:
56      source_radio_img = None
57
58    if source_radio_img == target_radio_img:
59      print "radio image unchanged; skipping"
60    else:
61      WriteRadio(info, target_radio_img)
62  except KeyError:
63    print "no radio.raw in target_files; skipping install"
64
65
66def WriteBootloader(info, bootloader_bin):
67  common.ZipWriteStr(info.output_zip, "bootloader.raw", bootloader_bin)
68  fstab = info.info_dict["fstab"]
69
70  info.script.Print("Writing bootloader...")
71
72  info.script.AppendExtra('''package_extract_file("bootloader.raw", "%s");''' %
73                          (fstab["/staging"].device,))
74
75def WriteRadio(info, radio_img):
76  common.ZipWriteStr(info.output_zip, "radio.raw", radio_img)
77  fstab = info.info_dict["fstab"]
78
79  info.script.Print("Writing radio...")
80
81  info.script.AppendExtra("""assert(package_extract_file("radio.raw", "%s"),
82                          mount("ext4", "EMMC", "%s", "/radio"),
83                          bach.update_modem("/radio/SAM_6260_ALL.fls"),
84                          unmount("/radio"));""" %
85                          (fstab["/radio"].device, fstab["/radio"].device))
86