Fix S and T mixed build OTA
When a device has vendor partitions in S and system partitions in T, ota
package will enable VABC XOR. But device's snapuserd actually doesn't
support XOR, because snapuserd is in vendor partition. Therefore, at
runtime, check if XOR is supported.
Test: th
Bug: 227614163
Change-Id: I4cb84aa9b69ff872f5de7a5e9c5ca1e3405d2d8b
diff --git a/payload_consumer/vabc_partition_writer.cc b/payload_consumer/vabc_partition_writer.cc
index 54aea86..8ae0b51 100644
--- a/payload_consumer/vabc_partition_writer.cc
+++ b/payload_consumer/vabc_partition_writer.cc
@@ -97,7 +97,17 @@
bool VABCPartitionWriter::Init(const InstallPlan* install_plan,
bool source_may_exist,
size_t next_op_index) {
- xor_map_ = ComputeXorMap(partition_update_.merge_operations());
+ if (dynamic_control_->GetVirtualAbCompressionXorFeatureFlag().IsEnabled()) {
+ xor_map_ = ComputeXorMap(partition_update_.merge_operations());
+ if (xor_map_.size() > 0) {
+ LOG(INFO) << "Virtual AB Compression with XOR is enabled";
+ } else {
+ LOG(INFO) << "Device supports Virtual AB compression with XOR, but OTA "
+ "package does not.";
+ }
+ } else {
+ LOG(INFO) << "Virtual AB Compression with XOR is disabled.";
+ }
TEST_AND_RETURN_FALSE(install_plan != nullptr);
if (source_may_exist && install_part_.source_size > 0) {
TEST_AND_RETURN_FALSE(!install_part_.source_path.empty());