move releasetools.py here from vendor/htc/common

Needed to build OTA packages for device/htc/... devices.

1 files changed, 94 insertions, 0 deletions

diff --git a/releasetools.py b/releasetools.py
new file mode 100644
index 0000000..a0b0ad0
--- /dev/null
+++ b/releasetools.py
@@ -0,0 +1,94 @@
+# Copyright (C) 2009 The Android Open Source Project
+#
+# 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 HTC devices during OTA installation
+(installing the radio image)."""
+
+import common
+import re
+
+
+def FullOTA_Assertions(info):
+  AddBootloaderAssertion(info, info.input_zip)
+
+
+def IncrementalOTA_Assertions(info):
+  AddBootloaderAssertion(info, info.target_zip)
+
+
+def AddBootloaderAssertion(info, input_zip):
+  android_info = input_zip.read("OTA/android-info.txt")
+  m = re.search(r"require\s+version-bootloader\s*=\s*(\S+)", android_info)
+  if m:
+    bootloaders = m.group(1).split("|")
+    if "*" not in bootloaders:
+      info.script.AssertSomeBootloader(*bootloaders)
+
+
+def InstallRadio(radio_img, api_version, input_zip, info):
+  common.ZipWriteStr(info.output_zip, "radio.img", radio_img)
+
+  if api_version >= 3:
+    bitmap_txt = input_zip.read("RADIO/bitmap_size.txt")
+    install_img = input_zip.read("RADIO/firmware_install.565")
+    error_img = input_zip.read("RADIO/firmware_error.565")
+    width, height, bpp = bitmap_txt.split()
+
+    info.script.UnmountAll()
+    info.script.AppendExtra(('''
+assert(htc.install_radio(package_extract_file("radio.img"),
+                         %(width)s, %(height)s, %(bpp)s,
+                         package_extract_file("install.565"),
+                         package_extract_file("error.565")));
+''' % locals()).lstrip())
+
+    common.ZipWriteStr(info.output_zip, "install.565", install_img)
+    common.ZipWriteStr(info.output_zip, "error.565", error_img)
+  elif info.input_version >= 2:
+    info.script.AppendExtra(
+        'write_firmware_image("PACKAGE:radio.img", "radio");')
+  else:
+    info.script.AppendExtra(
+        ('assert(package_extract_file("radio.img", "/tmp/radio.img"),\n'
+         '       write_firmware_image("/tmp/radio.img", "radio"));\n'))
+
+
+def FullOTA_InstallEnd(info):
+  try:
+    radio_img = info.input_zip.read("RADIO/radio.img")
+  except KeyError:
+    print "warning: no radio image in input target_files; not flashing radio"
+
+  info.script.Print("Writing radio image...")
+
+  InstallRadio(radio_img, info.input_version, info.input_zip, info)
+
+
+def IncrementalOTA_InstallEnd(info):
+  try:
+    target_radio = info.target_zip.read("RADIO/radio.img")
+  except KeyError:
+    print "warning: radio image missing from target; not flashing radio"
+    return
+
+  try:
+    source_radio = info.source_zip.read("RADIO/radio.img")
+  except KeyError:
+    source_radio = None
+
+  if source_radio == target_radio:
+    print "Radio image unchanged; skipping"
+    return
+
+  InstallRadio(target_radio, info.target_version, info.target_zip, info)