# # Copyright (C) 2017 The Android Open-Source Project # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # # Common boardconfig settings for generic AOSP products targetting mobile # (phone/table) devices. # VNDK BOARD_VNDK_VERSION := current # Properties TARGET_SYSTEM_PROP := build/make/target/board/treble_system.prop BOARD_PROPERTY_OVERRIDES_SPLIT_ENABLED := true # Bootloader, kernel and recovery are not part of generic AOSP image TARGET_NO_BOOTLOADER := true TARGET_NO_KERNEL := true # system.img is always ext4 with sparse option # GSI also includes make_f2fs to support userdata parition in f2fs # for some devices TARGET_USERIMAGES_USE_EXT4 := true TARGET_USERIMAGES_USE_F2FS := true TARGET_USERIMAGES_SPARSE_EXT_DISABLED := false TARGET_USES_MKE2FS := true # Generic AOSP image always requires separate vendor.img TARGET_COPY_OUT_VENDOR := vendor # Android generic system image always create metadata partition BOARD_USES_METADATA_PARTITION := true # Generic AOSP image does NOT support HWC1 TARGET_USES_HWC2 := true # Set emulator framebuffer display device buffer count to 3 NUM_FRAMEBUFFER_SURFACE_BUFFERS := 3 # Audio USE_XML_AUDIO_POLICY_CONF := 1 # Android Verified Boot (AVB): # Builds a special vbmeta.img that disables AVB verification. # Otherwise, AVB will prevent the device from booting the generic system.img. # Also checks that BOARD_AVB_ENABLE is not set, to prevent adding verity # metadata into system.img. ifeq ($(BOARD_AVB_ENABLE),true) $(error BOARD_AVB_ENABLE cannot be set for Treble GSI) endif BOARD_BUILD_DISABLED_VBMETAIMAGE := true