162 lines
7.1 KiB
Text
162 lines
7.1 KiB
Text
DEVICE_PATH := device/motorola/sycamore_row_5G
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# Architecture (64-bit recovery; runtime CPU properties identify Cortex-A55/A76 cores).
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TARGET_ARCH := arm64
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TARGET_ARCH_VARIANT := armv8-a
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TARGET_CPU_ABI := arm64-v8a
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TARGET_CPU_ABI2 :=
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TARGET_CPU_VARIANT := generic
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TARGET_CPU_VARIANT_RUNTIME := cortex-a55
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TARGET_USES_64_BIT_BINDER := true
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# Platform and assertions.
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TARGET_BOARD_PLATFORM := mt6835
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TARGET_BOOTLOADER_BOARD_NAME := sycamore_row_5G
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TARGET_NO_BOOTLOADER := true
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TARGET_OTA_ASSERT_DEVICE := sycamore_row_5G,XT2575-4
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# Stock first API level is 35, but twrp-12.1 is an API 32 build and rejects a
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# BOARD_SHIPPING_API_LEVEL newer than its platform SDK. Keep the measured value
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# in the bring-up log rather than emitting a false API-32 build property.
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# The stock Beanpod KeyMint service configures its TA from these properties.
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# Pristine A16 vendor_boot supplies 2026-07-05 for both, and the live metadata
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# key blob is bound to OS patch level 202607. Leaving the TWRP 12.1 defaults
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# (202204 / empty) makes secure world reject that newer blob as a downgrade.
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# These are exact stock inputs, not the old twrpdtgen 2099 bypass.
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PLATFORM_SECURITY_PATCH := 2026-07-05
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VENDOR_SECURITY_PATCH := 2026-07-05
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# Exact factory kernel, DTB, and vendor_boot v4 header addresses. These values
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# are mechanically extracted from the pristine ZUI 17.5 vendor_boot image.
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TARGET_PREBUILT_KERNEL := $(DEVICE_PATH)/prebuilt/kernel
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BOARD_INCLUDE_DTB_IN_BOOTIMG := true
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BOARD_PREBUILT_DTBIMAGE_DIR := $(DEVICE_PATH)/prebuilt/dtb
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BOARD_BOOT_HEADER_VERSION := 4
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BOARD_KERNEL_PAGESIZE := 4096
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BOARD_KERNEL_BASE := 0x40000000
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BOARD_RAMDISK_USE_LZ4 := true
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BOARD_KERNEL_SEPARATED_DTBO := true
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BOARD_MKBOOTIMG_ARGS += --header_version $(BOARD_BOOT_HEADER_VERSION)
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BOARD_MKBOOTIMG_ARGS += --kernel_offset 0x00000000
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BOARD_MKBOOTIMG_ARGS += --ramdisk_offset 0x26f00000
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BOARD_MKBOOTIMG_ARGS += --tags_offset 0x07c80000
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BOARD_MKBOOTIMG_ARGS += --dtb_offset 0x07c80000
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BOARD_MKBOOTIMG_ARGS += --vendor_cmdline "bootopt=64S3,32N2,64N2"
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# Preserve the pristine stock vendor ramdisk byte-for-byte as the unnamed base
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# PLATFORM ramdisk. AOSP then appends the generated TWRP RECOVERY fragment.
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# This matches the factory vendor_boot v4 layout and preserves overlay ordering.
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BOARD_PREBUILT_VENDOR_RAMDISK := \
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$(DEVICE_PATH)/prebuilt/vendor_ramdisk/platform.cpio.lz4
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# Physical partition sizes measured from GPT/factory images.
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BOARD_BOOTIMAGE_PARTITION_SIZE := 67108864
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BOARD_VENDOR_BOOTIMAGE_PARTITION_SIZE := 67108864
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BOARD_INIT_BOOT_IMAGE_PARTITION_SIZE := 8388608
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BOARD_DTBOIMG_PARTITION_SIZE := 8388608
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BOARD_PREBUILT_DTBOIMAGE := $(DEVICE_PATH)/prebuilt/dtbo.img
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# Live liblp metadata: v10.2, 64 KiB max metadata, three slots, virtual A/B.
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BOARD_SUPER_PARTITION_SIZE := 11811160064
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BOARD_SUPER_PARTITION_GROUPS := main_dynamic_partitions
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BOARD_MAIN_DYNAMIC_PARTITIONS_SIZE := 11809062912
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# API-32 build/make cannot generate system_dlkm. It remains in recovery.fstab
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# and live liblp metadata; this recovery-only target does not build super.
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BOARD_MAIN_DYNAMIC_PARTITIONS_PARTITION_LIST := \
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odm_dlkm product system system_ext vendor vendor_dlkm
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TARGET_COPY_OUT_SYSTEM_EXT := system_ext
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TARGET_COPY_OUT_PRODUCT := product
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TARGET_COPY_OUT_VENDOR := vendor
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TARGET_COPY_OUT_VENDOR_DLKM := vendor_dlkm
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TARGET_COPY_OUT_ODM_DLKM := odm_dlkm
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BOARD_SYSTEMIMAGE_FILE_SYSTEM_TYPE := erofs
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BOARD_SYSTEM_EXTIMAGE_FILE_SYSTEM_TYPE := erofs
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BOARD_PRODUCTIMAGE_FILE_SYSTEM_TYPE := erofs
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BOARD_VENDORIMAGE_FILE_SYSTEM_TYPE := erofs
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BOARD_VENDOR_DLKMIMAGE_FILE_SYSTEM_TYPE := erofs
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BOARD_ODM_DLKMIMAGE_FILE_SYSTEM_TYPE := erofs
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BOARD_USERDATAIMAGE_FILE_SYSTEM_TYPE := f2fs
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TARGET_USERIMAGES_USE_EXT4 := true
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TARGET_USERIMAGES_USE_F2FS := true
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# Recovery lives in vendor_boot. AOSP build/make emits a v4 RECOVERY ramdisk
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# fragment when both switches below are true; stock's platform fragment already
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# proves that all recovery resources belong in vendor_boot on this device.
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TARGET_NO_RECOVERY := true
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TW_HAS_NO_RECOVERY_PARTITION := true
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BOARD_EXCLUDE_KERNEL_FROM_RECOVERY_IMAGE := true
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BOARD_MOVE_RECOVERY_RESOURCES_TO_VENDOR_BOOT := true
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BOARD_INCLUDE_RECOVERY_RAMDISK_IN_VENDOR_BOOT := true
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TARGET_RECOVERY_FSTAB := $(DEVICE_PATH)/recovery.fstab
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TARGET_RECOVERY_PIXEL_FORMAT := RGBX_8888
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BOARD_HAS_NO_SELECT_BUTTON := true
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# V18: exact production teei_daemon domain and narrowly scoped Microtrust
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# device labels. The platform policy already defines tee/tee_exec and its
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# init transition; this directory supplies only Sycamore-specific paths/types.
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BOARD_VENDOR_SEPOLICY_DIRS += $(DEVICE_PATH)/sepolicy/vendor
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# Display values measured from Android.
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TARGET_SCREEN_WIDTH := 1600
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TARGET_SCREEN_HEIGHT := 2560
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TARGET_SCREEN_DENSITY := 320
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TW_THEME := portrait_hdpi
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TW_FRAMERATE := 90
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# A/B, dynamic partitions, fastbootd and storage.
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AB_OTA_UPDATER := true
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TW_INCLUDE_FASTBOOTD := true
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TW_INTERNAL_STORAGE_PATH := "/data/media/0"
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TW_INTERNAL_STORAGE_MOUNT_POINT := "data"
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TW_BACKUP_DATA_MEDIA := true
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TW_USB_STORAGE := false
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# Runtime diagnostic: the initial configfs ADB gadget works, but entering the
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# GUI makes TWRP request mtp,adb. This tree has no configfs mtp,adb property
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# action, so that transition unbinds the UDC and loses all host enumeration.
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# Keep the proven adb-only gadget until MTK configfs MTP is implemented.
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TW_EXCLUDE_MTP := true
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# Tree-only FBE diagnostic: avoid twrpApex::loadApexImage(), whose TWRP 12.1
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# implementation seeks an already-closed payload fd. Recovery's own crypto
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# binaries and libraries are packaged in the ramdisk, so first prove the stock
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# KeyMint/TEE chain without depending on Android's runtime APEX mounts. The
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# generic source correction is retained separately as patch 0002.
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TW_EXCLUDE_APEX := true
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# Stock FBE v2 + metadata encryption. Branch must provide Android 15/16 crypto.
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# Temporary first-hardware-boot diagnostic: keep /data encrypted and unmounted,
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# and bypass the synchronous Android 16 metadata/FBE decrypt path so the GUI
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# can start. Re-enable these only after the KeyMint/Keystore2 dependency chain
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# is made compatible with the stock Android 16 vendor environment.
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SYCAMORE_DIAGNOSTIC_NO_DECRYPT := false
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ifneq ($(SYCAMORE_DIAGNOSTIC_NO_DECRYPT),true)
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TW_INCLUDE_CRYPTO := true
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TW_INCLUDE_CRYPTO_FBE := true
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TW_INCLUDE_FBE_METADATA_DECRYPT := true
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endif
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BOARD_USES_METADATA_PARTITION := true
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# Bring-up/debug essentials; no missing-dependency escape hatch.
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TARGET_USES_LOGD := true
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TWRP_INCLUDE_LOGCAT := true
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TW_INCLUDE_REPACKTOOLS := true
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TW_INCLUDE_RESETPROP := true
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TW_INCLUDE_LIBRESETPROP := true
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TW_EXCLUDE_DEFAULT_USB_INIT := true
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TW_DEFAULT_LANGUAGE := en
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TW_EXTRA_LANGUAGES := true
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# Preserve the exact factory vendor_boot AVB fingerprint independently of the
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# recovery build fingerprint.
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BOARD_AVB_VENDOR_BOOT_FINGERPRINT := Motorola/XT2575-4/XT2575-4:15/AP3A.240905.015.A2/9bdeac_017:user/release-keys
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# Match the stock algorithm-NONE vendor_boot hash-footer design. The salt is
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# extracted from the pristine footer; no signing key is used or invented.
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BOARD_AVB_ENABLE := true
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BOARD_AVB_VENDOR_BOOT_ADD_HASH_FOOTER_ARGS += \
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--salt 11503e95ee971adc6c444e3ae47f564f178032ee9bbcf99d2ccfdc0895c67ed7
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# Removable storage filesystem support.
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TW_INCLUDE_NTFS_3G := true
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