Support bootloader and radio OTAs for Prime.

For bootloader figure out the correct xloader location in bootloader.img and write to /xloader. The sbl is always in the same place, and can be written to /sbl.

For radio the radio.img just needs to be written to /radio.

Change-Id: I7b3b82b5c093331287ada24ba8ebce31a79f74bf

1 files changed, 76 insertions, 0 deletions

diff --git a/releasetools.py b/releasetools.py
new file mode 100644
index 0000000..1d0863c
--- /dev/null
+++ b/releasetools.py
@@ -0,0 +1,76 @@
+# 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 Prime during OTA installation
+(installing the bootloader and radio images)."""
+
+import common
+
+def FullOTA_InstallEnd(info):
+  try:
+    bootloader_img = info.input_zip.read("RADIO/bootloader.img")
+  except KeyError:
+    print "no bootloader.img in target_files; skipping install"
+  else:
+    WriteBootloader(info, bootloader_img)
+
+  try:
+    radio_img = info.input_zip.read("RADIO/radio.img")
+  except KeyError:
+    print "no radio.img in target_files; skipping install"
+  else:
+    WriteRadio(info, radio_img)
+
+def IncrementalOTA_InstallEnd(info):
+  try:
+    target_bootloader_img = info.target_zip.read("RADIO/bootloader.img")
+    try:
+      source_bootloader_img = info.source_zip.read("RADIO/bootloader.img")
+    except KeyError:
+      source_bootloader_img = None
+
+    if source_bootloader_img == target_bootloader_img:
+      print "bootloader unchanged; skipping"
+    else:
+      WriteBootloader(info, target_bootloader_img)
+  except KeyError:
+    print "no bootloader.img in target target_files; skipping install"
+
+  try:
+    target_radio_img = info.target_zip.read("RADIO/radio.img")
+    try:
+      source_radio_img = info.source_zip.read("RADIO/radio.img")
+    except KeyError:
+      source_radio_img = None
+
+    if source_radio_img == target_radio_img:
+      print "radio unchanged; skipping"
+    else:
+      WriteRadio(info, target_radio_img)
+  except KeyError:
+    print "no radio.img in target target_files; skipping install"
+
+def WriteBootloader(info, bootloader_img):
+  common.ZipWriteStr(info.output_zip, "bootloader.img", bootloader_img)
+  fstab = info.info_dict["fstab"]
+
+  info.script.Print("Writing bootloader...")
+  info.script.AppendExtra('''samsung.write_bootloader(
+    package_extract_file("bootloader.img"), "%s", "%s");''' % \
+    (fstab["/xloader"].device, fstab["/sbl"].device))
+
+def WriteRadio(info, radio_img):
+  common.ZipWriteStr(info.output_zip, "radio.img", radio_img)
+  info.script.Print("Writing radio...")
+  info.script.WriteRawImage("/radio", "radio.img")