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DAP: building system_other.img for retrofit devices 

For dynamic partitions in retrofit devices, system partition will be
a logical partition but system_other is not. However, current
build system use the same settings (logical) for both system.img and
system_other.img, leading AVB unable to locate the footer from the end
of system_other partition.

This commit support building system_other.img with correct partition size
while building system.img as a dynamic image.

Bug: 123506156
Test: check there is "system_other_size=2952790016" in file
      $OUT/obj/PACKAGING/system_other_intermediates/system_other_image_info.txt
Test: build system_other.img, then
      `simg2img $OUT/system_other.img system_other.img.raw`, checks the
      raw image size.

Change-Id: I748320a7770c694d06f06f4a35bfceb622849aa8
This commit is contained in:
Bowgo Tsai 2019-01-29 13:30:18 +08:00
parent c683233b64
commit 867ab6606e
2 changed files with 15 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
core/Makefile
View File

@ -1321,6 +1321,7 @@ endif # PRODUCT_USE_DYNAMIC_PARTITIONS
define generate-image-prop-dictionary
$(if $(filter $(2),system),\
$(if $(BOARD_SYSTEMIMAGE_PARTITION_SIZE),$(hide) echo "system_size=$(BOARD_SYSTEMIMAGE_PARTITION_SIZE)" >> $(1))
$(if $(INTERNAL_SYSTEM_OTHER_PARTITION_SIZE),$(hide) echo "system_other_size=$(INTERNAL_SYSTEM_OTHER_PARTITION_SIZE)" >> $(1))
$(if $(BOARD_SYSTEMIMAGE_FILE_SYSTEM_TYPE),$(hide) echo "system_fs_type=$(BOARD_SYSTEMIMAGE_FILE_SYSTEM_TYPE)" >> $(1))
$(if $(BOARD_SYSTEMIMAGE_EXTFS_INODE_COUNT),$(hide) echo "system_extfs_inode_count=$(BOARD_SYSTEMIMAGE_EXTFS_INODE_COUNT)" >> $(1))
$(if $(BOARD_SYSTEMIMAGE_EXTFS_RSV_PCT),$(hide) echo "system_extfs_rsv_pct=$(BOARD_SYSTEMIMAGE_EXTFS_RSV_PCT)" >> $(1))
@ -2517,6 +2518,17 @@ $(INSTALLED_FILES_FILE_SYSTEMOTHER) : $(INTERNAL_SYSTEMOTHERIMAGE_FILES) $(FILES
$(hide) $(FILESLIST) $(TARGET_OUT_SYSTEM_OTHER) > $(@:.txt=.json)
$(hide) build/make/tools/fileslist_util.py -c $(@:.txt=.json) > $@
# Determines partition size for system_other.img.
ifeq ($(PRODUCT_RETROFIT_DYNAMIC_PARTITIONS),true)
ifneq ($(filter system,$(BOARD_SUPER_PARTITION_BLOCK_DEVICES)),)
INTERNAL_SYSTEM_OTHER_PARTITION_SIZE := $(BOARD_SUPER_PARTITION_SYSTEM_DEVICE_SIZE)
endif
endif
ifndef INTERNAL_SYSTEM_OTHER_PARTITION_SIZE
INTERNAL_SYSTEM_OTHER_PARTITION_SIZE:= $(BOARD_SYSTEMIMAGE_PARTITION_SIZE)
endif
systemotherimage_intermediates := \
$(call intermediates-dir-for,PACKAGING,system_other)
BUILT_SYSTEMOTHERIMAGE_TARGET := $(PRODUCT_OUT)/system_other.img
@ -2533,7 +2545,7 @@ define build-systemotherimage-target
$(systemotherimage_intermediates)/generated_system_other_image_info.txt
$(hide) $(call assert-max-image-size,$(INSTALLED_SYSTEMOTHERIMAGE_TARGET),\
$(call read-image-prop-dictionary,\
$(systemotherimage_intermediates)/generated_system_other_image_info.txt,system_size))
$(systemotherimage_intermediates)/generated_system_other_image_info.txt,system_other_size))
endef
# We just build this directly to the install location.

4
tools/releasetools/build_image.py
View File

@ -576,7 +576,7 @@ def ImagePropFromGlobalDict(glob_dict, mount_point):
copy_prop("avb_system_other_algorithm", "avb_algorithm")
copy_prop("fs_type", "fs_type")
copy_prop("system_fs_type", "fs_type")
copy_prop("system_size", "partition_size")
copy_prop("system_other_size", "partition_size")
if not copy_prop("system_journal_size", "journal_size"):
d["journal_size"] = "0"
copy_prop("system_verity_block_device", "verity_block_device")
@ -723,7 +723,7 @@ def GlobalDictFromImageProp(image_prop, mount_point):
if mount_point == "system":
copy_prop("partition_size", "system_size")
elif mount_point == "system_other":
copy_prop("partition_size", "system_size")
copy_prop("partition_size", "system_other_size")
elif mount_point == "vendor":
copy_prop("partition_size", "vendor_size")
elif mount_point == "odm":