Add build flags for spanning the super partition across multiple block devices.

This adds BOARD_SUPER_PARTITION_BLOCK_DEVICES, which must contain a list
of the (non-A/B suffixed) partitions that will comprise the super
partition. It is only intended for devices which cannot have a partition
named "super". For each entry, there must be a
BOARD_SUPER_PARTITION_x_DEVICE_SIZE variable defined with the exact size
of that partition (not its image size). The sum of these sizes must be
equal to BOARD_SUPER_PARTITION_SIZE.

Bug: 116802789
Test: device with BOARD_SUPER_PARTITION_BLOCK_DEVICES builds
Change-Id: I1a79c2e08ca99ce7e42207893ef3285caffecf44
This commit is contained in:
David Anderson 2018-10-30 18:47:59 -07:00 committed by Yifan Hong
parent c5c0124e7d
commit 619fe2da5a
5 changed files with 109 additions and 21 deletions

View file

@ -2919,27 +2919,20 @@ ifeq (true,$(PRODUCT_BUILD_SUPER_PARTITION))
# BOARD_SUPER_PARTITION_SIZE must be defined to build super image.
ifneq ($(BOARD_SUPER_PARTITION_SIZE),)
INSTALLED_SUPERIMAGE_TARGET := $(PRODUCT_OUT)/super.img
INSTALLED_SUPERIMAGE_EMPTY_TARGET := $(PRODUCT_OUT)/super_empty.img
$(INSTALLED_SUPERIMAGE_TARGET): $(call images-for-partitions,$(BOARD_SUPER_PARTITION_PARTITION_LIST))
# For A/B devices, super partition always contains sub-partitions in the _a slot, because this
# image should only be used for bootstrapping / initializing the device. When flashing the image,
# bootloader fastboot should always mark _a slot as bootable.
ifeq ($(AB_OTA_UPDATER),true)
$(INSTALLED_SUPERIMAGE_TARGET) $(INSTALLED_SUPERIMAGE_EMPTY_TARGET): PRIVATE_PARTITION_SUFFIX=_a
endif # AB_OTA_UPDATER
$(INSTALLED_SUPERIMAGE_TARGET) $(INSTALLED_SUPERIMAGE_EMPTY_TARGET): $(LPMAKE)
define super-slot-suffix
$(if $(filter true,$(AB_OTA_UPDATER)),$(if $(filter true,$(PRODUCT_RETROFIT_DYNAMIC_PARTITIONS)),,_a))
endef
# $(1): slot A suffix (_a or empty)
# $(2): include images or not (true or empty)
define build-superimage-target-args
$(if $(2), --sparse) \
--metadata-size 65536 \
--metadata-slots $(if $(1),2,1) \
--device-size $(BOARD_SUPER_PARTITION_SIZE) \
--metadata-slots $(if $(filter true,$(AB_OTA_UPDATER)),2,1) \
--super-name $(BOARD_SUPER_PARTITION_METADATA_DEVICE) \
$(if $(filter true,$(PRODUCT_RETROFIT_DYNAMIC_PARTITIONS)), $(if $(filter true,$(AB_OTA_UPDATER)), --auto-slot-suffixing)) \
$(foreach device,$(BOARD_SUPER_PARTITION_BLOCK_DEVICES), \
--device $(device):$(BOARD_SUPER_PARTITION_$(call to-upper,$(device))_DEVICE_SIZE)) \
$(foreach group,$(BOARD_SUPER_PARTITION_GROUPS), \
--group $(group)$(1):$(BOARD_$(call to-upper,$(group))_SIZE) \
$(if $(1), --group $(group)_b:$(BOARD_$(call to-upper,$(group))_SIZE)) \
@ -2959,15 +2952,23 @@ define build-superimage-target
--output $(1)
endef
$(INSTALLED_SUPERIMAGE_TARGET):
# For A/B devices, super partition always contains sub-partitions in the _a slot, because this
# image should only be used for bootstrapping / initializing the device. When flashing the image,
# bootloader fastboot should always mark _a slot as bootable.
ifneq (true,$(PRODUCT_RETROFIT_DYNAMIC_PARTITIONS))
INSTALLED_SUPERIMAGE_TARGET := $(PRODUCT_OUT)/super.img
$(INSTALLED_SUPERIMAGE_TARGET): $(LPMAKE) $(call images-for-partitions,$(BOARD_SUPER_PARTITION_PARTITION_LIST))
$(call pretty,"Target super fs image: $@")
$(call build-superimage-target,$@,$(PRIVATE_PARTITION_SUFFIX),true)
$(call build-superimage-target,$@,$(call super-slot-suffix),true)
endif
$(call dist-for-goals,dist_files,$(INSTALLED_SUPERIMAGE_TARGET))
$(INSTALLED_SUPERIMAGE_EMPTY_TARGET):
INSTALLED_SUPERIMAGE_EMPTY_TARGET := $(PRODUCT_OUT)/super_empty.img
$(INSTALLED_SUPERIMAGE_EMPTY_TARGET): $(LPMAKE)
$(call pretty,"Target empty super fs image: $@")
$(call build-superimage-target,$@,$(PRIVATE_PARTITION_SUFFIX))
$(call build-superimage-target,$@,$(call super-slot-suffix))
$(call dist-for-goals,dist_files,$(INSTALLED_SUPERIMAGE_EMPTY_TARGET))
@ -2989,6 +2990,25 @@ droid_targets: check-all-partition-sizes
# Add image dependencies so that generated_*_image_info.txt are written before checking.
check-all-partition-sizes: $(call images-for-partitions,$(BOARD_SUPER_PARTITION_PARTITION_LIST))
ifeq ($(PRODUCT_RETROFIT_DYNAMIC_PARTITIONS),true)
# Check sum(super partition block devices) == super partition (/ 2 for A/B)
# Non-retrofit devices already defines BOARD_SUPER_PARTITION_SUPER_DEVICE_SIZE = BOARD_SUPER_PARTITION_SIZE
define check-super-partition-size
size_list="$(foreach device,$(call to-upper,$(BOARD_SUPER_PARTITION_BLOCK_DEVICES)),$(BOARD_SUPER_PARTITION_$(device)_DEVICE_SIZE))"; \
sum_sizes_expr=$$(sed -e 's/ /+/g' <<< "$${size_list}"); \
max_size_tail=$(if $(filter true,$(AB_OTA_UPDATER))," / 2"); \
max_size_expr="$(BOARD_SUPER_PARTITION_SIZE)$${max_size_tail}"; \
if [ $$(( $${sum_sizes_expr} )) -ne $$(( $${max_size_expr} )) ]; then \
echo "The sum of super partition block device sizes is not equal to BOARD_SUPER_PARTITION_SIZE$${max_size_tail}:"; \
echo $${sum_sizes_expr} '!=' $${max_size_expr}; \
exit 1; \
else \
echo "The sum of super partition block device sizes is equal to BOARD_SUPER_PARTITION_SIZE$${max_size_tail}:"; \
echo $${sum_sizes_expr} '==' $${max_size_expr}; \
fi
endef
endif
# $(1): human-readable max size string
# $(2): max size expression
# $(3): list of partition names
@ -3035,6 +3055,7 @@ endef
check-all-partition-sizes check-all-partition-sizes-nodeps:
$(call check-all-partition-sizes-target)
$(call check-super-partition-size)
endif # PRODUCT_BUILD_SUPER_PARTITION
@ -3658,7 +3679,7 @@ ifneq ($(BOARD_SUPER_PARTITION_SIZE),)
$(hide) echo "super_size=$(BOARD_SUPER_PARTITION_SIZE)" >> $(zip_root)/META/misc_info.txt
$(hide) echo "lpmake=$(notdir $(LPMAKE))" >> $(zip_root)/META/misc_info.txt
$(hide) echo -n "lpmake_args=" >> $(zip_root)/META/misc_info.txt
$(hide) echo $(call build-superimage-target-args,$(if $(filter true,$(AB_OTA_UPDATER)),_a,)) \
$(hide) echo $(call build-superimage-target-args,$(call super-slot-suffix)) \
>> $(zip_root)/META/misc_info.txt
endif
ifneq ($(BOARD_SUPER_PARTITION_GROUPS),)

View file

@ -932,6 +932,19 @@ ifndef PRODUCT_OTA_ENFORCE_VINTF_KERNEL_REQUIREMENTS
endif
.KATI_READONLY := PRODUCT_OTA_ENFORCE_VINTF_KERNEL_REQUIREMENTS
ifeq ($(PRODUCT_RETROFIT_DYNAMIC_PARTITIONS),true)
ifneq ($(PRODUCT_USE_DYNAMIC_PARTITIONS),true)
$(error PRODUCT_USE_DYNAMIC_PARTITIONS must be true when PRODUCT_RETROFIT_DYNAMIC_PARTITIONS \
is set)
endif
ifdef PRODUCT_SHIPPING_API_LEVEL
ifeq (true,$(call math_gt_or_eq,$(PRODUCT_SHIPPING_API_LEVEL),29))
$(error Devices with shipping API level $(PRODUCT_SHIPPING_API_LEVEL) must not set \
PRODUCT_RETROFIT_DYNAMIC_PARTITIONS)
endif
endif
endif
ifeq ($(PRODUCT_USE_DYNAMIC_PARTITIONS),true)
requirements := \
PRODUCT_USE_DYNAMIC_PARTITION_SIZE \
@ -1021,6 +1034,48 @@ BOARD_SUPER_PARTITION_PARTITION_LIST := \
$(BOARD_$(group)_PARTITION_LIST))
.KATI_READONLY := BOARD_SUPER_PARTITION_PARTITION_LIST
ifdef BOARD_SUPER_PARTITION_SIZE
ifeq ($(PRODUCT_RETROFIT_DYNAMIC_PARTITIONS),true)
# The metadata device must be specified manually for retrofitting.
ifndef BOARD_SUPER_PARTITION_METADATA_DEVICE
$(error Must specify BOARD_SUPER_PARTITION_METADATA_DEVICE if BOARD_SUPER_PARTITION_BLOCK_DEVICES is used.)
endif
# The metadata device must be included in the super partition block device list.
ifeq (,$(filter $(BOARD_SUPER_PARTITION_METADATA_DEVICE),$(BOARD_SUPER_PARTITION_BLOCK_DEVICES)))
$(error BOARD_SUPER_PARTITION_METADATA_DEVICE is not listed in BOARD_SUPER_PARTITION_BLOCK_DEVICES.)
endif
# The metadata device must be supplied to init via the kernel command-line.
BOARD_KERNEL_CMDLINE += androidboot.super_partition=$(BOARD_SUPER_PARTITION_METADATA_DEVICE)
else # PRODUCT_RETROFIT_DYNAMIC_PARTITIONS
# These should not be specified on devices launching with dynamic partition support.
ifdef BOARD_SUPER_PARTITION_BLOCK_DEVICES
$(error BOARD_SUPER_PARTITION_BLOCK_DEVICES can only be used if PRODUCT_RETROFIT_DYNAMIC_PARTITIONS is true.)
endif
ifdef BOARD_SUPER_PARTITION_METADATA_DEVICE
$(error BOARD_SUPER_PARTITION_METADATA_DEVICE can only be used if PRODUCT_RETROFIT_DYNAMIC_PARTITIONS is true.)
endif
# For normal devices, we populate BOARD_SUPER_PARTITION_BLOCK_DEVICES so the
# build can handle both cases consistently.
BOARD_SUPER_PARTITION_BLOCK_DEVICES := super
BOARD_SUPER_PARTITION_METADATA_DEVICE := super
BOARD_SUPER_PARTITION_SUPER_DEVICE_SIZE := $(BOARD_SUPER_PARTITION_SIZE)
endif # PRODUCT_RETROFIT_DYNAMIC_PARTITIONS
endif # BOARD_SUPER_PARTITION_SIZE
.KATI_READONLY := BOARD_SUPER_PARTITION_BLOCK_DEVICES
.KATI_READONLY := BOARD_SUPER_PARTITION_METADATA_DEVICE
$(foreach device,$(call to-upper,$(BOARD_SUPER_PARTITION_BLOCK_DEVICES)), \
$(if $(BOARD_SUPER_PARTITION_$(device)_DEVICE_SIZE),, \
$(error $(BOARD_SUPER_PARTITION_$(device)_DEVICE_SIZE must not be empty))) \
$(eval .KATI_READONLY := BOARD_SUPER_PARTITION_$(device)_DEVICE_SIZE))
endif # PRODUCT_BUILD_SUPER_PARTITION
# ###############################################################

View file

@ -250,6 +250,7 @@ endif
ADDITIONAL_PRODUCT_PROPERTIES += \
ro.boot.logical_partitions=$(PRODUCT_USE_DYNAMIC_PARTITIONS) \
ro.boot.dynamic_partitions=$(PRODUCT_USE_DYNAMIC_PARTITIONS) \
ro.boot.dynamic_partitions_retrofit=$(PRODUCT_RETROFIT_DYNAMIC_PARTITIONS)
# -----------------------------------------------------------------
###

View file

@ -211,6 +211,7 @@ _product_var_list := \
PRODUCT_BUILD_SUPER_PARTITION \
PRODUCT_FORCE_PRODUCT_MODULES_TO_SYSTEM_PARTITION \
PRODUCT_USE_DYNAMIC_PARTITIONS \
PRODUCT_RETROFIT_DYNAMIC_PARTITIONS \
define dump-product
$(info ==== $(1) ====)\

View file

@ -514,10 +514,20 @@ PRODUCT_ACTIONABLE_COMPATIBLE_PROPERTY_DISABLE := \
$(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_ACTIONABLE_COMPATIBLE_PROPERTY_DISABLE))
# Dynamic partition feature flags.
# When this is true, dynamic partitions is retrofitted on a device that has
# already been launched without dynamic partitions. Otherwise, the device
# is launched with dynamic partitions.
# This flag implies PRODUCT_USE_DYNAMIC_PARTITIONS.
PRODUCT_RETROFIT_DYNAMIC_PARTITIONS := \
$(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_RETROFIT_DYNAMIC_PARTITIONS))
.KATI_READONLY := PRODUCT_RETROFIT_DYNAMIC_PARTITIONS
# TODO(b/119286600): remove PRODUCT_USE_LOGICAL_PARTITIONS
PRODUCT_USE_DYNAMIC_PARTITIONS := $(or \
$(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_USE_DYNAMIC_PARTITIONS)), \
$(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_USE_LOGICAL_PARTITIONS)))
$(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_USE_LOGICAL_PARTITIONS)), \
$(PRODUCT_RETROFIT_DYNAMIC_PARTITIONS))
.KATI_READONLY := PRODUCT_USE_DYNAMIC_PARTITIONS
# All requirements of PRODUCT_USE_DYNAMIC_PARTITIONS falls back to