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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 
     18 import common
     19 
     20 def 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 
     28 def IncrementalOTA_VerifyEnd(info):
     29   # try:
     30   #   target_radio_img = info.target_zip.read("RADIO/radio.img")
     31   #   source_radio_img = info.source_zip.read("RADIO/radio.img")
     32   # except KeyError:
     33   #   # No source or target radio. Nothing to verify
     34   #   pass
     35   # else:
     36   #   if source_radio_img != target_radio_img:
     37   #     info.script.CacheFreeSpaceCheck(len(source_radio_img))
     38   #     radio_type, radio_device = common.GetTypeAndDevice("/radio", info.info_dict)
     39   #     info.script.PatchCheck("%s:%s:%d:%s:%d:%s" % (
     40   #         radio_type, radio_device,
     41   #         len(source_radio_img), common.sha1(source_radio_img).hexdigest(),
     42   #         len(target_radio_img), common.sha1(target_radio_img).hexdigest()))
     43   pass
     44 
     45 def IncrementalOTA_InstallEnd(info):
     46   try:
     47     target_bootloader_img = info.target_zip.read("RADIO/bootloader.img")
     48     try:
     49       source_bootloader_img = info.source_zip.read("RADIO/bootloader.img")
     50     except KeyError:
     51       source_bootloader_img = None
     52 
     53     if source_bootloader_img == target_bootloader_img:
     54       print "bootloader unchanged; skipping"
     55     else:
     56       WriteBootloader(info, target_bootloader_img)
     57   except KeyError:
     58     print "no bootloader.img in target target_files; skipping install"
     59 
     60 def WriteBootloader(info, bootloader_img):
     61   common.ZipWriteStr(info.output_zip, "bootloader.img", bootloader_img)
     62   bl_type, bl_device = common.GetTypeAndDevice("/bootloader", info.info_dict)
     63 
     64   fstab = info.info_dict["fstab"]
     65 
     66   info.script.Print("Writing bootloader...")
     67   force_ro = "/sys/block/" + bl_device.split("/")[-1] + "/force_ro"
     68   info.script.AppendExtra(
     69       ('samsung.manta.write_bootloader(package_extract_file('
     70        '"bootloader.img"), "%s", "%s");') %
     71       (bl_device, force_ro))
     72