1 # Copyright (C) 2010 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 import re 16 17 import common 18 19 def WriteRadio(info, radio_file): 20 radio_file.AddToZip(info.output_zip) 21 info.script.Print("Writing radio...") 22 info.script.AppendExtra( 23 'assert(samsung.update_modem(package_extract_file("%s")));\n' % 24 (radio_file.name,)) 25 26 def WriteBootloader(info, bootloader_file): 27 bootloader_file.AddToZip(info.output_zip) 28 info.script.Print("Writing bootloader...") 29 info.script.WriteRawImage("/bootloader", bootloader_file.name) 30 31 def FindImage(zipfile, basename): 32 matches = [] 33 for name in zipfile.namelist(): 34 m = re.match(r"^RADIO/(" + basename + "[.](.+[.])?img)$", name) 35 if m: 36 matches.append((name, m.group(1))) 37 if len(matches) > 1: 38 raise ValueError("multiple radio images in target-files zip!") 39 if matches: 40 matches = matches[0] 41 print "using %s as %s" % matches 42 return common.File(matches[1], zipfile.read(matches[0])) 43 else: 44 return None 45 46 def FullOTA_InstallEnd(info): 47 bootloader_img = FindImage(info.input_zip, "bootloader") 48 if bootloader_img: 49 WriteBootloader(info, bootloader_img) 50 else: 51 print "no bootloader in target_files; skipping install" 52 53 radio_img = FindImage(info.input_zip, "radio") 54 if radio_img: 55 WriteRadio(info, radio_img) 56 else: 57 print "no radio in target_files; skipping install" 58 59 def IncrementalOTA_InstallEnd(info): 60 tf = FindImage(info.target_zip, "bootloader") 61 sf = FindImage(info.source_zip, "bootloader") 62 63 if not tf: 64 print "no bootloader image in target target_files; skipping" 65 elif sf and tf.sha1 == sf.sha1: 66 print "bootloader image unchanged; skipping" 67 else: 68 WriteBootloader(info, sf) 69 70 tf = FindImage(info.target_zip, "radio") 71 sf = FindImage(info.source_zip, "radio") 72 73 if not tf: 74 print "no radio image in target target_files; skipping" 75 elif sf and tf.sha1 == sf.sha1: 76 print "radio image unchanged; skipping" 77 else: 78 WriteRadio(info, tf) 79