119 lines
6.1 KiB
Makefile
119 lines
6.1 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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# Copyright (C) 2019 MediaTek Inc.
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LOCAL_PATH := $(call my-dir)
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ifeq ($(notdir $(LOCAL_PATH)),$(strip $(LINUX_KERNEL_VERSION)))
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include $(LOCAL_PATH)/kenv.mk
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ifeq ($(wildcard $(TARGET_PREBUILT_KERNEL)),)
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KERNEL_MAKE_DEPENDENCIES := $(shell find $(KERNEL_DIR) -name .git -prune -o -type f | sort)
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KERNEL_MAKE_DEPENDENCIES += $(shell find vendor/mediatek/kernel_modules -name .git -prune -o -type f | sort)
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ifdef MTK_GKI_PREBUILTS_DIR
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KERNEL_MAKE_DEPENDENCIES += $(wildcard $(MTK_GKI_PREBUILTS_DIR)/*)
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endif
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ifdef MTK_GKI_BUILD_CONFIG
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KERNEL_MAKE_DEPENDENCIES += $(shell find kernel/common-5.15 -name .git -prune -o -type f | sort)
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endif
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$(GEN_KERNEL_BUILD_CONFIG): PRIVATE_KERNEL_DEFCONFIG := $(KERNEL_DEFCONFIG)
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$(GEN_KERNEL_BUILD_CONFIG): PRIVATE_KERNEL_DEFCONFIG_OVERLAYS := $(KERNEL_DEFCONFIG_OVERLAYS)
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$(GEN_KERNEL_BUILD_CONFIG): PRIVATE_KERNEL_BUILD_CONFIG := $(REL_GEN_KERNEL_BUILD_CONFIG)
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$(GEN_KERNEL_BUILD_CONFIG): PRIVATE_KERNEL_BUILD_CONFIG_OVERLAYS := $(addprefix $(KERNEL_DIR)/,$(KERNEL_BUILD_CONFIG_OVERLAYS))
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$(GEN_KERNEL_BUILD_CONFIG): $(KERNEL_DIR)/kernel/configs/ext_modules.list
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$(GEN_KERNEL_BUILD_CONFIG): $(KERNEL_DIR)/scripts/gen_build_config.py $(wildcard $(KERNEL_DIR)/build.config.*) $(build_config_file) $(KERNEL_CONFIG_FILE) $(LOCAL_PATH)/Android.mk
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$(hide) mkdir -p $(dir $@)
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$(hide) cd kernel && python $< --kernel-defconfig $(PRIVATE_KERNEL_DEFCONFIG) --kernel-defconfig-overlays "$(PRIVATE_KERNEL_DEFCONFIG_OVERLAYS)" --kernel-build-config-overlays "$(PRIVATE_KERNEL_BUILD_CONFIG_OVERLAYS)" -m $(TARGET_BUILD_VARIANT) -o $(PRIVATE_KERNEL_BUILD_CONFIG) && cd ..
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.KATI_RESTAT: $(TARGET_KERNEL_CONFIG)
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$(TARGET_KERNEL_CONFIG): PRIVATE_KERNEL_OUT := $(REL_KERNEL_OUT)
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$(TARGET_KERNEL_CONFIG): PRIVATE_DIST_DIR := $(REL_KERNEL_OUT)
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$(TARGET_KERNEL_CONFIG): PRIVATE_CC_WRAPPER := $(CCACHE_EXEC)
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$(TARGET_KERNEL_CONFIG): PRIVATE_KERNEL_BUILD_CONFIG := $(REL_GEN_KERNEL_BUILD_CONFIG)
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$(TARGET_KERNEL_CONFIG): $(wildcard kernel/build/*.sh) $(GEN_KERNEL_BUILD_CONFIG) $(KERNEL_MAKE_DEPENDENCIES) | kernel-outputmakefile
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$(hide) mkdir -p $(dir $@)
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if [ -f $@ ]; then cp -f -p $@ $@.timestamp; else touch $@.timestamp; fi
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$(hide) cd kernel && ENABLE_GKI_CHECKER=$(ENABLE_GKI_CHECKER) CC_WRAPPER=$(PRIVATE_CC_WRAPPER) SKIP_MRPROPER=1 BUILD_CONFIG=$(PRIVATE_KERNEL_BUILD_CONFIG) OUT_DIR=$(PRIVATE_KERNEL_OUT) DIST_DIR=$(PRIVATE_DIST_DIR) POST_DEFCONFIG_CMDS="exit 0" ./build/build.sh && cd ..
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if ! cmp -s $@.timestamp $@; then rm -f $@.timestamp; else mv -f $@.timestamp $@; fi
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ifeq (yes,$(strip $(BUILD_KERNEL)))
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$(KERNEL_ZIMAGE_OUT): PRIVATE_DIR := $(KERNEL_DIR)
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$(KERNEL_ZIMAGE_OUT): PRIVATE_KERNEL_OUT := $(REL_KERNEL_OUT)
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$(KERNEL_ZIMAGE_OUT): PRIVATE_DIST_DIR := $(REL_KERNEL_OUT)
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$(KERNEL_ZIMAGE_OUT): PRIVATE_CC_WRAPPER := $(CCACHE_EXEC)
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$(KERNEL_ZIMAGE_OUT): PRIVATE_KERNEL_BUILD_CONFIG := $(REL_GEN_KERNEL_BUILD_CONFIG)
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ifeq (user,$(strip $(KERNEL_BUILD_VARIANT)))
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ifeq ($(KERNEL_GKI_CONFIG),)
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ifneq (,$(strip $(shell grep "^CONFIG_ABI_MONITOR\s*=\s*y" $(KERNEL_CONFIG_FILE))))
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$(KERNEL_ZIMAGE_OUT): PRIVATE_KERNEL_BUILD_SCRIPT := ./build/build_abi.sh
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else
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$(KERNEL_ZIMAGE_OUT): PRIVATE_KERNEL_BUILD_SCRIPT := ./build/build.sh
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endif
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$(KERNEL_ZIMAGE_OUT): PRIVATE_KERNEL_GKI_CONFIG :=
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else
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$(KERNEL_ZIMAGE_OUT): PRIVATE_KERNEL_BUILD_SCRIPT := ./build/build.sh
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$(KERNEL_ZIMAGE_OUT): PRIVATE_KERNEL_GKI_CONFIG := $(KERNEL_GKI_CONFIG)
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endif
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else
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$(KERNEL_ZIMAGE_OUT): PRIVATE_KERNEL_BUILD_SCRIPT := ./build/build.sh
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$(KERNEL_ZIMAGE_OUT): PRIVATE_KERNEL_GKI_CONFIG :=
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endif
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$(KERNEL_ZIMAGE_OUT): $(TARGET_KERNEL_CONFIG) $(KERNEL_MAKE_DEPENDENCIES)
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$(hide) mkdir -p $(dir $@)
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$(hide) cd kernel && CC_WRAPPER=$(PRIVATE_CC_WRAPPER) SKIP_MRPROPER=1 BUILD_CONFIG=$(PRIVATE_KERNEL_BUILD_CONFIG) OUT_DIR=$(PRIVATE_KERNEL_OUT) DIST_DIR=$(PRIVATE_DIST_DIR) SKIP_DEFCONFIG=1 $(PRIVATE_KERNEL_GKI_CONFIG) $(PRIVATE_KERNEL_BUILD_SCRIPT) && cd ..
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ifneq ($(KERNEL_GKI_CONFIG),)
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ifeq ($(MTK_KERNEL_COMPRESS_FORMAT),gz)
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$(hide) export PATH=kernel/build/kernel/build-tools/path/linux-x86:$$PATH && lz4 -df $(patsubst %.gz,%.lz4,$@) $(patsubst %.gz,%.uncompress,$@) && gzip -nc $(patsubst %.gz,%.uncompress,$@) > $@
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endif
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endif
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$(hide) $(call fixup-kernel-cmd-file,$(KERNEL_OUT)/arch/$(KERNEL_TARGET_ARCH)/boot/compressed/.piggy.xzkern.cmd)
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$(BUILT_KERNEL_TARGET): $(KERNEL_ZIMAGE_OUT) $(TARGET_KERNEL_CONFIG) $(LOCAL_PATH)/Android.mk | $(ACP)
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$(copy-file-to-target)
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$(TARGET_PREBUILT_KERNEL): $(BUILT_KERNEL_TARGET) $(LOCAL_PATH)/Android.mk | $(ACP)
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$(copy-file-to-new-target)
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endif#BUILD_KERNEL
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endif #TARGET_PREBUILT_KERNEL is empty
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ifeq (yes,$(strip $(BUILD_KERNEL)))
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ifneq ($(strip $(TARGET_NO_KERNEL)),true)
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$(INSTALLED_KERNEL_TARGET): $(BUILT_KERNEL_TARGET) $(LOCAL_PATH)/Android.mk | $(ACP)
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$(copy-file-to-target)
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endif#TARGET_NO_KERNEL
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endif#BUILD_KERNEL
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.PHONY: kernel save-kernel kernel-savedefconfig kernel-menuconfig menuconfig-kernel savedefconfig-kernel clean-kernel
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kernel: $(INSTALLED_KERNEL_TARGET)
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save-kernel: $(TARGET_PREBUILT_KERNEL)
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kernel-savedefconfig: $(TARGET_KERNEL_CONFIG)
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cp $(TARGET_KERNEL_CONFIG) $(KERNEL_CONFIG_FILE)
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kernel-menuconfig:
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$(hide) mkdir -p $(KERNEL_OUT)
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$(PREBUILT_MAKE_PREFIX)/$(MAKE) -C $(KERNEL_DIR) $(KERNEL_MAKE_OPTION) menuconfig
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menuconfig-kernel savedefconfig-kernel:
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$(hide) mkdir -p $(KERNEL_OUT)
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$(PREBUILT_MAKE_PREFIX)/$(MAKE) -C $(KERNEL_DIR) $(KERNEL_MAKE_OPTION) $(patsubst %config-kernel,%config,$@)
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clean-kernel:
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$(hide) rm -rf $(KERNEL_OUT) $(INSTALLED_KERNEL_TARGET)
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.PHONY: kernel-outputmakefile
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kernel-outputmakefile: PRIVATE_DIR := $(KERNEL_DIR)
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kernel-outputmakefile: PRIVATE_KERNEL_OUT := $(REL_KERNEL_OUT)/$(LINUX_KERNEL_VERSION)
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kernel-outputmakefile:
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$(PREBUILT_MAKE_PREFIX)/$(MAKE) -C $(PRIVATE_DIR) O=$(PRIVATE_KERNEL_OUT) outputmakefile
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### DTB build template
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MTK_DTBIMAGE_DTS := $(addsuffix .dts,$(addprefix $(KERNEL_DIR)/arch/$(KERNEL_TARGET_ARCH)/boot/dts/,$(PLATFORM_DTB_NAME)))
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include device/mediatek/build/core/build_dtbimage.mk
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MTK_DTBOIMAGE_DTS := $(addsuffix .dts,$(addprefix $(KERNEL_DIR)/arch/$(KERNEL_TARGET_ARCH)/boot/dts/,$(PROJECT_DTB_NAMES)))
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include device/mediatek/build/core/build_dtboimage.mk
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endif #LINUX_KERNEL_VERSION
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