lettuce: Initial commit

1 files changed, 97 insertions, 0 deletions

diff --git a/releasetools.py b/releasetools.py
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+++ b/releasetools.py
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+# Copyright (C) 2009 The Android Open Source Project
+# Copyright (c) 2011, The Linux Foundation. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Emit commands needed for QCOM devices during OTA installation
+(installing the radio image)."""
+
+import common
+import re
+
+def LoadFilesMap(zip):
+  try:
+    data = zip.read("RADIO/filesmap")
+  except KeyError:
+    print "Warning: could not find RADIO/filesmap in %s." % zip
+    data = ""
+  d = {}
+  for line in data.split("\n"):
+    line = line.strip()
+    if not line or line.startswith("#"): continue
+    pieces = line.split()
+    if not (len(pieces) == 3):
+      raise ValueError("malformed filesmap line: \"%s\"" % (line,))
+    d[pieces[0]] = (pieces[1], pieces[2])
+  return d
+
+def GetRadioFiles(z):
+  out = {}
+  for info in z.infolist():
+    if info.filename.startswith("RADIO/") and (info.filename.__len__() > len("RADIO/")):
+      fn = "RADIO/" + info.filename[6:]
+      out[fn] = fn
+  return out
+
+def FullOTA_Assertions(info):
+  #TODO: Implement device specific asserstions.
+  return
+
+def IncrementalOTA_Assertions(info):
+  #TODO: Implement device specific asserstions.
+  return
+
+def InstallRawImage(image_data, api_version, input_zip, fn, info, filesmap):
+  #fn is in RADIO/* format. Extracting just file name.
+  filename = fn[6:]
+  if api_version >= 3:
+    if filename not in filesmap:
+        return
+    partition = filesmap[filename][0]
+    checksum = filesmap[filename][1]
+    info.script.AppendExtra('run_program("/sbin/dd", "if=%s", "of=/tmp/test.img");'
+            % (partition))
+    info.script.AppendExtra('ifelse((sha1_check(read_file("/tmp/test.img")) == "%s"),'
+            '(ui_print("%s already up to date")),'
+            '(package_extract_file("%s", "%s")));'
+            % (checksum, partition, filename, partition))
+    info.script.AppendExtra('delete("/tmp/test.img");')
+    common.ZipWriteStr(info.output_zip, filename, image_data)
+    return
+  else:
+    print "warning radio-update: no support for api_version less than 3."
+
+def FULLOTA_InstallEnd_MMC(info):
+  files = GetRadioFiles(info.input_zip)
+  if files == {}:
+    print "warning radio-update: no radio image in input target_files; not flashing radio"
+    return
+  info.script.UnmountAll()
+  info.script.Print("Writing radio image...")
+  #Load filesmap file
+  filesmap = LoadFilesMap(info.input_zip)
+  if filesmap == {}:
+      print "warning radio-update: no or invalid filesmap file found. not flashing radio"
+      return
+  for f in files:
+    image_data = info.input_zip.read(f)
+    InstallRawImage(image_data, info.input_version, info.input_zip, f, info, filesmap)
+  return
+
+def FullOTA_InstallEnd(info):
+  FULLOTA_InstallEnd_MMC(info)
+
+def IncrementalOTA_InstallEnd(info):
+  #TODO: Implement device specific asserstions.
+  print "warning radio-update: no real implementation of IncrementalOTA_InstallEnd."
+  return