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Commit 65c1162e authored by Kelvin Zhang's avatar Kelvin Zhang
Browse files

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
parent 54e9262f

core/Makefile

+10 −4
Original line number Diff line number Diff line
@@ -1167,13 +1167,16 @@ bootimage_16k: $(BUILT_BOOTIMAGE_16K_TARGET) 
.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 @@ endif # my_installed_prebuilt_gki_apex not defined 


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

tools/releasetools/ota_from_raw_img.py

+6 −0
Original line number Diff line number Diff line
@@ -68,6 +68,11 @@ def main(argv): 
  if args.verbose:

    logger.setLevel(logging.INFO)

  logger.info(args)

  old_imgs = [""] * len(args.images)

  for (i, img) in enumerate(args.images):

    if ":" in img:

      old_imgs[i], args.images[i] = img.split(":", maxsplit=1)



  if not args.partition_names:

    args.partition_names = [os.path.os.path.splitext(os.path.basename(path))[

        0] for path in args.images]
@@ -79,6 +84,7 @@ def main(argv): 
    cmd.append("--partition_names=" + ",".join(args.partition_names))

    cmd.append("--dynamic_partition_info_file=" +

               dynamic_partition_info_file.name)

    cmd.append("--old_partitions=" + ",".join(old_imgs))

    cmd.append("--new_partitions=" + ",".join(args.images))

    cmd.append("--out_file=" + unsigned_payload.name)

    cmd.append("--is_partial_update")