commit 65c1162eb5ed4b670360e3f1025fe51a43c84f9d
author Kelvin Zhang <zhangkelvin@google.com> Mon Oct 02 12:45:30 2023 -0700
committer Kelvin Zhang <zhangkelvin@google.com> Mon Nov 06 12:37:49 2023 -0800
tree de48ca9b9a892730115294213e496fe54f79978c
parent 54e9262f99a64c2ff641360642504c9c9e0878c7

Generate incremental OTAs for 16K/4K boot option

Previously, the 16K/4K boot options OTAs are full OTAs, resulting in
file size of ~20MB each, and ~40M for both OTAs. To reduce the space
usage, use incremental OTAs instead.

Test: th
Bug: 302759296
Bug: 293313353
Change-Id: I61cc84c6c13f151dd6bc5ff37dd31daa5fb31abd

core/Makefile

diff --git a/core/Makefile b/core/Makefile
index 79c8a17..09c815e 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1167,13 +1167,16 @@
 .PHONY: bootimage_16k
 
 BUILT_BOOT_OTA_PACKAGE_16K := $(PRODUCT_OUT)/boot_ota_16k.zip
-$(BUILT_BOOT_OTA_PACKAGE_16K): $(OTA_FROM_RAW_IMG) $(BUILT_BOOTIMAGE_16K_TARGET) $(DEFAULT_SYSTEM_DEV_CERTIFICATE).pk8
+$(BUILT_BOOT_OTA_PACKAGE_16K): $(OTA_FROM_RAW_IMG) $(BUILT_BOOTIMAGE_16K_TARGET) $(INSTALLED_BOOTIMAGE_TARGET) $(DEFAULT_SYSTEM_DEV_CERTIFICATE).pk8
 	$(OTA_FROM_RAW_IMG) --package_key $(DEFAULT_SYSTEM_DEV_CERTIFICATE) \
                       --max_timestamp `cat $(BUILD_DATETIME_FILE)` \
                       --path $(HOST_OUT) \
                       --partition_name boot \
                       --output $@ \
-                      $(BUILT_BOOTIMAGE_16K_TARGET)
+                      $(if $(BOARD_16K_OTA_USE_INCREMENTAL),\
+                        $(INSTALLED_BOOTIMAGE_TARGET):$(BUILT_BOOTIMAGE_16K_TARGET),\
+                        $(BUILT_BOOTIMAGE_16K_TARGET)\
+                      )
 
 boototapackage_16k: $(BUILT_BOOT_OTA_PACKAGE_16K)
 .PHONY: boototapackage_16k
@@ -1503,13 +1506,16 @@
 
 ifneq ($(BOARD_KERNEL_PATH_16K),)
 BUILT_BOOT_OTA_PACKAGE_4K := $(PRODUCT_OUT)/boot_ota_4k.zip
-$(BUILT_BOOT_OTA_PACKAGE_4K): $(OTA_FROM_RAW_IMG) $(INSTALLED_BOOTIMAGE_TARGET) $(DEFAULT_SYSTEM_DEV_CERTIFICATE).pk8
+$(BUILT_BOOT_OTA_PACKAGE_4K): $(OTA_FROM_RAW_IMG) $(INSTALLED_BOOTIMAGE_TARGET) $(BUILT_BOOTIMAGE_16K_TARGET) $(DEFAULT_SYSTEM_DEV_CERTIFICATE).pk8
 	$(OTA_FROM_RAW_IMG) --package_key $(DEFAULT_SYSTEM_DEV_CERTIFICATE) \
                       --max_timestamp `cat $(BUILD_DATETIME_FILE)` \
                       --path $(HOST_OUT) \
                       --partition_name boot \
                       --output $@ \
-                      $(INSTALLED_BOOTIMAGE_TARGET)
+                      $(if $(BOARD_16K_OTA_USE_INCREMENTAL),\
+                        $(BUILT_BOOTIMAGE_16K_TARGET):$(INSTALLED_BOOTIMAGE_TARGET),\
+                        $(INSTALLED_BOOTIMAGE_TARGET)\
+                      )
 
 boototapackage_4k: $(BUILT_BOOT_OTA_PACKAGE_4K)
 .PHONY: boototapackage_4k