BoardConfig.mk
DEVICE_PATH: is the path to the directory which contains this file and is later used to include other files. [Ex: /device/xiaomi/vili]
ARCHITECTURE
- The arch information is taken from here:
- https://source.codeaurora.org/quic/la/platform/vendor/qcom/lahaina/tree/BoardConfig.mk?h=qcom-devices.lnx.6.0.r14-rel
PLATFORM
- The board platform is lahaina. This is basically the code name for Snapdragon 888(sm8350).
KERNEL
Refer to Boot partition to understand where the kernel is stored.
- TODO
AUDIO
AUDIOPOLICY
USE_CUSTOM_AUDIO_POLICY: This is set to1. This will ignore the aosp audio policy and use CAF audio policy.
AUDIO
- TODO
BLUETOOTH
BOARD_BLUETOOTH_BDROID_BUILDCFG_INCLUDE_DIR := $(DEVICE_PATH)/bluetooth/include- A header file is created in the include directory called
bdroid_buildcfg.h. BTM_DEF_LOCAL_NAMEinbdroid_buildcfg.his set to the default bluetooth name.
CAMERA
TARGET_USES_QTI_CAMERA_DEVICE:
HIDL
Device manifest
- The device manifest amd compatibility matrix can be found in the vendor partition.
/vendor/etc/vintf/ DEVICE_MANIFEST_FILE: is used to specify the device manifest file(s).DEVICE_MATRIX_FILE: is used to specify the device compatibility matrix.
Framework manifest
TODO
Security patch level
VENDOR_SECURITY_PATCH: can be found in vendor build propsro.vendor.build.security_patch
Partitions
- The path to the partitions can be found using their name by:
ls -l /dev/block/bootdevice/by-name- To get partition sizes use the following command:
blockdev --getsize64 <partition-path>- For each partition use the flag
BOARD_<partition-name-in-capital>IMAGE_PARTITION_SIZE- Get the sizes for the following partitions:
- boot
- dtbo
- super
- vendor_boot
- super image contains odm, product, vendor, system, system_ext.
- Partition types can be found in /vendor/etc/fstab.default.
AVB
Properties
Sepolicy
- Refer to SELinux.
Inherit proprietary blobs
- extract files shell scripts — TODO
Recovery
MISC
BUILD_BROKEN_DUP_RULES: