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