| # BoardConfigGsiCommon.mk |
| # |
| # Common compile-time definitions for GSI |
| # Builds upon the mainline config. |
| # |
| |
| include build/make/target/board/BoardConfigMainlineCommon.mk |
| |
| # This flag is set by mainline but isn't desired for GSI. |
| BOARD_USES_SYSTEM_OTHER_ODEX := |
| |
| # GSIs are historically released in sparse format. |
| # Some vendors' bootloaders don't work properly with raw format images. So |
| # we explicit specify this need below (even though it's the current default). |
| TARGET_USERIMAGES_SPARSE_EXT_DISABLED := false |
| |
| # Enable dynamic system image size and reserved 64MB in it. |
| BOARD_SYSTEMIMAGE_PARTITION_RESERVED_SIZE := 67108864 |
| |
| # Android Verified Boot (AVB): |
| # Set AVB_VBMETA_IMAGE_FLAGS_VERIFICATION_DISABLED (--flag 2) in |
| # vbmeta.img to disable AVB verification. |
| # |
| # To disable AVB for GSI, use the vbmeta.img and the GSI together. |
| # To enable AVB for GSI, include the GSI public key into the device-specific |
| # vbmeta.img. |
| BOARD_AVB_MAKE_VBMETA_IMAGE_ARGS += --flag 2 |
| |
| # Enable chain partition for system. |
| BOARD_AVB_SYSTEM_KEY_PATH := external/avb/test/data/testkey_rsa2048.pem |
| BOARD_AVB_SYSTEM_ALGORITHM := SHA256_RSA2048 |
| BOARD_AVB_SYSTEM_ROLLBACK_INDEX := $(PLATFORM_SECURITY_PATCH_TIMESTAMP) |
| BOARD_AVB_SYSTEM_ROLLBACK_INDEX_LOCATION := 1 |
| |
| ifneq (,$(filter userdebug eng,$(TARGET_BUILD_VARIANT))) |
| # GSI is always userdebug and needs a couple of properties taking precedence |
| # over those set by the vendor. |
| TARGET_SYSTEM_PROP := build/make/target/board/gsi_system.prop |
| endif |
| |
| # Android generic system image always create metadata partition |
| BOARD_USES_METADATA_PARTITION := true |
| |
| # Set this to create /cache mount point for non-A/B devices that mounts /cache. |
| # The partition size doesn't matter, just to make build pass. |
| BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE := ext4 |
| BOARD_CACHEIMAGE_PARTITION_SIZE := 16777216 |