80 lines
3.1 KiB
Makefile
80 lines
3.1 KiB
Makefile
#
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# Copyright (C) 2022 Paranoid Android
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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TARGET_USES_KERNEL_PLATFORM ?= true
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KERNEL_PREBUILT_DIR ?= device/qcom/$(TARGET_BOARD_PLATFORM)-kernel
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KERNEL_PRODUCT_DIR := kernel_obj
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KERNEL_MODULES_INSTALL := dlkm
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KERNEL_MODULES_OUT ?= $(OUT_DIR)/target/product/$(AOSPA_BUILD)/$(KERNEL_MODULES_INSTALL)/lib/modules
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ifeq ($(TARGET_USES_KERNEL_PLATFORM),true)
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ifeq ($(wildcard $(KERNEL_PREBUILT_DIR)/),)
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$(warning $(KERNEL_PREBUILT_DIR) does not exist, have you compiled kernel?)
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endif
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# Path to system_dlkm artifacts directory
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ifneq ($(wildcard $(KERNEL_PREBUILT_DIR)/system_dlkm/),)
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BOARD_SYSTEM_DLKM_SRC := $(KERNEL_PREBUILT_DIR)/system_dlkm
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ifeq ($(wildcard $(BOARD_SYSTEM_DLKM_SRC)/lib/modules/),)
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PRODUCT_COPY_FILES += \
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$(call find-copy-subdir-files,*,$(BOARD_SYSTEM_DLKM_SRC)/,$(TARGET_COPY_OUT_SYSTEM_DLKM)/lib/modules)
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endif
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endif
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# DLKM
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define get-kernel-modules
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$(if $(wildcard $(KERNEL_PREBUILT_DIR)/$(1)/$(2)), \
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$(addprefix $(KERNEL_PREBUILT_DIR)/$(1)/,$(notdir $(file < $(KERNEL_PREBUILT_DIR)/$(1)/$(2)))), \
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$(wildcard $(KERNEL_PREBUILT_DIR)/$(1)/*.ko))
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endef
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prepend-kernel-modules = $(eval $1 := $2 $(filter-out $2,$($1)))
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ifneq ($(wildcard $(KERNEL_PREBUILT_DIR)/vendor_ramdisk/),)
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first_stage_modules := $(call get-kernel-modules,vendor_ramdisk,modules.load)
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recovery_modules := $(call get-kernel-modules,vendor_ramdisk,modules.load.recovery)
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else
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first_stage_modules := $(call get-kernel-modules,.,modules.load)
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recovery_modules := $(call get-kernel-modules,.,modules.load.recovery)
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endif
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gki_modules := $(call get-kernel-modules,system_dlkm,modules.load)
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second_stage_modules := $(call get-kernel-modules,vendor_dlkm,modules.load)
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$(call prepend-kernel-modules,BOARD_VENDOR_RAMDISK_KERNEL_MODULES_LOAD,$(first_stage_modules))
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$(call prepend-kernel-modules,BOARD_VENDOR_RAMDISK_RECOVERY_KERNEL_MODULES_LOAD,$(recovery_modules))
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$(call prepend-kernel-modules,BOARD_GKI_KERNEL_MODULES,$(gki_modules))
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$(call prepend-kernel-modules,BOARD_VENDOR_KERNEL_MODULES,$(second_stage_modules))
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BOARD_VENDOR_RAMDISK_KERNEL_MODULES_BLOCKLIST_FILE := $(wildcard $(KERNEL_PREBUILT_DIR)/vendor_dlkm/modules.blocklist)
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BOARD_VENDOR_KERNEL_MODULES_BLOCKLIST_FILE := $(wildcard $(KERNEL_PREBUILT_DIR)/vendor_dlkm/modules.blocklist)
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ifneq ("$(wildcard $(KERNEL_PREBUILT_DIR)/vendor_dlkm/system_dlkm.modules.blocklist)", "")
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PRODUCT_COPY_FILES += $(KERNEL_PREBUILT_DIR)/vendor_dlkm/system_dlkm.modules.blocklist:$(TARGET_COPY_OUT_VENDOR_DLKM)/lib/modules/system_dlkm.modules.blocklist
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endif
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BOARD_VENDOR_RAMDISK_KERNEL_MODULES += $(first_stage_modules)
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BOARD_VENDOR_RAMDISK_KERNEL_MODULES += $(gki_modules)
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BOARD_VENDOR_RAMDISK_KERNEL_MODULES += $(second_stage_modules)
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# DTBs
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BOARD_PREBUILT_DTBOIMAGE := $(KERNEL_PREBUILT_DIR)/dtbs/dtbo.img
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BOARD_PREBUILT_DTBIMAGE_DIR := $(KERNEL_PREBUILT_DIR)/dtbs/
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# Prebuilt kernel
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TARGET_PREBUILT_KERNEL := $(KERNEL_PREBUILT_DIR)/Image
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# Kernel Headers
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TARGET_BOARD_KERNEL_HEADERS := $(KERNEL_PREBUILT_DIR)/kernel-headers
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# Kernel
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PRODUCT_COPY_FILES += $(KERNEL_PREBUILT_DIR)/Image:kernel
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PRODUCT_COPY_FILES += $(KERNEL_PREBUILT_DIR)/System.map:$(KERNEL_PRODUCT_DIR)/System.map
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endif
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