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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 
     18 import common
     19 
     20 def 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 
     36 def 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 
     66 def 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 
     75 def 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