76 lines
3.1 KiB
Makefile
76 lines
3.1 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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# Copyright (C) 2019 MediaTek Inc.
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KERNEL_ENV_PATH := $(call my-dir)
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KERNEL_ROOT_DIR := $(PWD)
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define touch-kernel-image-timestamp
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if [ -e $(1) ] && [ -e $(2) ] && cmp -s $(1) $(2); then \
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echo $(2) has no change;\
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mv -f $(1) $(2);\
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else \
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rm -f $(1);\
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fi
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endef
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# '\\' in command is wrongly replaced to '\\\\' in kernel/out/arch/arm/boot/compressed/.piggy.xzkern.cmd
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define fixup-kernel-cmd-file
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if [ -e $(1) ]; then cp $(1) $(1).bak; sed -e 's/\\\\\\\\/\\\\/g' < $(1).bak > $(1); rm -f $(1).bak; fi
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endef
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KERNEL_DIR := $(KERNEL_ENV_PATH)
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mkfile_path := $(abspath $(lastword $(MAKEFILE_LIST)))
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current_dir := $(notdir $(patsubst %/,%,$(dir $(mkfile_path))))
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ifndef KERNEL_BUILD_VARIANT
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KERNEL_BUILD_VARIANT := $(TARGET_BUILD_VARIANT)
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endif
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ifeq ($(wildcard $(TARGET_PREBUILT_KERNEL)),)
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KERNEL_OUT ?= $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/$(LINUX_KERNEL_VERSION)
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REL_KERNEL_OUT := $(shell ./$(current_dir)/scripts/get_rel_path.sh $(patsubst %/,%,$(dir $(KERNEL_OUT))) $(KERNEL_ROOT_DIR)/kernel)
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KERNEL_ROOT_OUT := $(if $(filter /% ~%,$(KERNEL_OUT)),,$(KERNEL_ROOT_DIR)/)$(KERNEL_OUT)
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KERNEL_GKI_CONFIG :=
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ifeq (yes,$(strip $(BUILD_KERNEL)))
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ifeq ($(KERNEL_TARGET_ARCH), arm64)
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ifeq (,$(strip $(MTK_KERNEL_COMPRESS_FORMAT)))
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MTK_KERNEL_COMPRESS_FORMAT := gz
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endif
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ifeq ($(MTK_APPENDED_DTB_SUPPORT), yes)
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KERNEL_ZIMAGE_OUT := $(KERNEL_OUT)/arch/$(KERNEL_TARGET_ARCH)/boot/Image.$(MTK_KERNEL_COMPRESS_FORMAT)-dtb
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else
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KERNEL_ZIMAGE_OUT := $(KERNEL_OUT)/arch/$(KERNEL_TARGET_ARCH)/boot/Image.$(MTK_KERNEL_COMPRESS_FORMAT)
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endif
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ifeq (user,$(strip $(KERNEL_BUILD_VARIANT)))
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ifdef MTK_GKI_PREBUILTS_DIR
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KERNEL_ZIMAGE_OUT := $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/Image.$(MTK_KERNEL_COMPRESS_FORMAT)
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KERNEL_GKI_CONFIG := GKI_PREBUILTS_DIR=../$(MTK_GKI_PREBUILTS_DIR)
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else
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ifdef MTK_GKI_BUILD_CONFIG
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KERNEL_ZIMAGE_OUT := $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/gki_kernel/dist/Image.$(MTK_KERNEL_COMPRESS_FORMAT)
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KERNEL_GKI_CONFIG := GKI_BUILD_CONFIG=$(MTK_GKI_BUILD_CONFIG)
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endif
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endif
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endif
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else
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ifeq ($(MTK_APPENDED_DTB_SUPPORT), yes)
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KERNEL_ZIMAGE_OUT := $(KERNEL_OUT)/arch/$(KERNEL_TARGET_ARCH)/boot/zImage-dtb
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else
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KERNEL_ZIMAGE_OUT := $(KERNEL_OUT)/arch/$(KERNEL_TARGET_ARCH)/boot/zImage
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endif
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endif
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endif#BUILD_KERNEL
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BUILT_KERNEL_TARGET := $(KERNEL_ZIMAGE_OUT).bin
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ifneq ($(strip $(TARGET_NO_KERNEL)),true)
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INSTALLED_KERNEL_TARGET := $(PRODUCT_OUT)/kernel
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endif
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TARGET_KERNEL_CONFIG := $(KERNEL_OUT)/.config
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GEN_KERNEL_BUILD_CONFIG := $(patsubst %/,%,$(dir $(KERNEL_OUT)))/build.config
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REL_GEN_KERNEL_BUILD_CONFIG := $(REL_KERNEL_OUT)/$(notdir $(GEN_KERNEL_BUILD_CONFIG))
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GEN_MTK_SETUP_ENV_SH := $(patsubst %/,%,$(dir $(KERNEL_OUT)))/mtk_setup_env.sh
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KERNEL_CONFIG_FILE := $(KERNEL_DIR)/arch/$(KERNEL_TARGET_ARCH)/configs/$(word 1,$(KERNEL_DEFCONFIG))
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else
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BUILT_KERNEL_TARGET := $(TARGET_PREBUILT_KERNEL)
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endif #TARGET_PREBUILT_KERNEL is empty
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