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Commit d44e13b4 authored by Jihoon Kang's avatar Jihoon Kang
Browse files

Truncate vbmeta to 64KB 

This is a porting of https://r.android.com/1675465 to make in order to
make the output filesize of the vbmeta partitions identical between make
and Soong.

Test: diff soong vs make vbmeta_system partitions
Bug: 390204058
Change-Id: Ieaf7583d4bb3cfe9da80f8abccf0af3e2372e638
parent 77eb4ba2

core/Makefile

+8 −0
Original line number Diff line number Diff line
@@ -5034,6 +5034,10 @@ define build-chained-vbmeta-image 
	    $(foreach image,$(BOARD_AVB_$(call to-upper,$(1))), \

	        --include_descriptors_from_image $(call images-for-partitions,$(image))) \

	    --output $@

      # libavb expects to be able to read the maximum vbmeta size, so we must provide a partition

      # which matches this or the read will fail.

      # See external/avb/libavb/avb_slot_verify.c#VBMETA_MAX_SIZE

      truncate -s 65536 $@

endef



ifdef BUILDING_SYSTEM_IMAGE
@@ -5092,6 +5096,10 @@ define build-vbmetaimage-target 
    $(PRIVATE_AVB_VBMETA_SIGNING_ARGS) \

    $(BOARD_AVB_MAKE_VBMETA_IMAGE_ARGS) \

    --output $@

    # libavb expects to be able to read the maximum vbmeta size, so we must provide a partition

    # which matches this or the read will fail.

    # See external/avb/libavb/avb_slot_verify.c#VBMETA_MAX_SIZE

    truncate -s 65536 $@

  $(hide) rm -rf $(AVB_CHAIN_KEY_DIR)

endef