93d64a42d1
* From https://github.com/realme-kernel-opensource/realme7_realme8_Narzo30_Narzo20pro-AndroidS-kernel-source Signed-off-by: bengris32 <bengris32@protonmail.ch> Change-Id: I3d395e16689828eea91be6a278814607234c5fcb
142 lines
5.2 KiB
Makefile
142 lines
5.2 KiB
Makefile
# Copyright (C) 2017 MediaTek Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See http://www.gnu.org/licenses/gpl-2.0.html for more details.
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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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define move-kernel-module-files
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v=`cat $(2)/include/config/kernel.release`;\
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for i in `grep -h '\.ko' /dev/null $(2)/.tmp_versions/*.mod`; do \
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o=`basename $$i`;\
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if [ -e $(1)/lib/modules/$$o ] && cmp -s $(1)/lib/modules/$$v/kernel/$$i $(1)/lib/modules/$$o; then \
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echo $(1)/lib/modules/$$o has no change;\
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else \
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echo Update $(1)/lib/modules/$$o;\
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mv -f $(1)/lib/modules/$$v/kernel/$$i $(1)/lib/modules/$$o;\
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fi;\
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done
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endef
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define clean-kernel-module-dirs
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rm -rf $(1)/lib/modules/$(if $(2),`cat $(2)/include/config/kernel.release`,*/)
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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 $(1).bak; fi
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endef
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ifneq ($(strip $(TARGET_NO_KERNEL)),true)
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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 $(mkfile_path))))
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ifeq ($(KERNEL_TARGET_ARCH),arm64)
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ifeq ($(strip $(TARGET_KERNEL_USE_CLANG)),true)
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include $(current_dir)/build.config.mtk.aarch64
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else
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include $(current_dir)/build.config.mtk.aarch64.gcc
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endif
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else
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ifeq ($(strip $(TARGET_KERNEL_USE_CLANG)),true)
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include $(current_dir)/build.config.mtk.arm
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else
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$(error TARGET_KERNEL_USE_CLANG is not set)
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endif
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endif
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ARGS := CROSS_COMPILE=$(CROSS_COMPILE)
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ifneq ($(CLANG_TRIPLE),)
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ARGS += CLANG_TRIPLE=$(CLANG_TRIPLE)
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endif
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ifneq ($(LD),)
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ARGS += LD=$(LD)
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endif
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ifneq ($(LD_LIBRARY_PATH),)
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ARGS += LD_LIBRARY_PATH=$(KERNEL_ROOT_DIR)/$(LD_LIBRARY_PATH)
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endif
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ifneq ($(NM),)
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ARGS += NM=$(NM)
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endif
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ifneq ($(OBJCOPY),)
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ARGS += OBJCOPY=$(OBJCOPY)
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endif
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ifeq ("$(CC)", "gcc")
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CC :=
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endif
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ifneq ($(filter-out false,$(USE_CCACHE)),)
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CCACHE_EXEC ?= /usr/bin/ccache
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CCACHE_EXEC := $(abspath $(wildcard $(CCACHE_EXEC)))
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else
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CCACHE_EXEC :=
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endif
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ifneq ($(CCACHE_EXEC),)
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ifneq ($(CC),)
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ARGS += CCACHE_CPP2=yes CC='$(CCACHE_EXEC) $(CC)'
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endif
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else
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ifneq ($(CC),)
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ARGS += CC=$(CC)
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endif
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endif
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TARGET_KERNEL_CROSS_COMPILE := $(KERNEL_ROOT_DIR)/$(LINUX_GCC_CROSS_COMPILE_PREBUILTS_BIN)/$(CROSS_COMPILE)
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ifeq ($(wildcard $(TARGET_PREBUILT_KERNEL)),)
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KERNEL_OUT ?= $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ
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KERNEL_ROOT_OUT := $(if $(filter /% ~%,$(KERNEL_OUT)),,$(KERNEL_ROOT_DIR)/)$(KERNEL_OUT)
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ifeq ($(KERNEL_TARGET_ARCH), arm64)
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ifeq ($(MTK_APPENDED_DTB_SUPPORT), yes)
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KERNEL_ZIMAGE_OUT := $(KERNEL_OUT)/arch/$(KERNEL_TARGET_ARCH)/boot/Image.gz-dtb
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else
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KERNEL_ZIMAGE_OUT := $(KERNEL_OUT)/arch/$(KERNEL_TARGET_ARCH)/boot/Image.gz
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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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BUILT_KERNEL_TARGET := $(KERNEL_ZIMAGE_OUT).bin
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INSTALLED_KERNEL_TARGET := $(PRODUCT_OUT)/kernel
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INSTALLED_DTB_OVERLAY_TARGET := $(PRODUCT_OUT)/odmdtbo.img
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BUILT_DTB_OVERLAY_TARGET := $(KERNEL_OUT)/arch/$(KERNEL_TARGET_ARCH)/boot/dts/odmdtbo.img
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TARGET_KERNEL_CONFIG := $(KERNEL_OUT)/.config
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KERNEL_HEADERS_INSTALL := $(KERNEL_OUT)/usr
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KERNEL_CONFIG_FILE := $(KERNEL_DIR)/arch/$(KERNEL_TARGET_ARCH)/configs/$(word 1,$(KERNEL_DEFCONFIG))
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#KERNEL_CONFIG_MODULES := $(shell grep ^CONFIG_MODULES=y $(KERNEL_CONFIG_FILE))
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#KERNEL_MODULES_OUT := $(if $(filter /% ~%,$(TARGET_OUT)),,$(KERNEL_ROOT_DIR)/)$(TARGET_OUT)
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#KERNEL_MODULES_DEPS := $(if $(wildcard $(KERNEL_MODULES_OUT)/lib/modules/*.ko),$(wildcard $(KERNEL_MODULES_OUT)/lib/modules/*.ko),$(KERNEL_MODULES_OUT)/lib/modules)
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#KERNEL_MODULES_SYMBOLS_OUT := $(if $(filter /% ~%,$(TARGET_OUT_UNSTRIPPED)),,$(KERNEL_ROOT_DIR)/)$(TARGET_OUT_UNSTRIPPED)/system
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KERNEL_MAKE_OPTION := O=$(KERNEL_ROOT_OUT) ARCH=$(KERNEL_TARGET_ARCH) $(ARGS) ROOTDIR=$(KERNEL_ROOT_DIR)
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KERNEL_MAKE_PATH_OPTION := /usr/bin:/bin
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KERNEL_MAKE_OPTION += PATH=$(KERNEL_ROOT_DIR)/$(CLANG_PREBUILT_BIN):$(KERNEL_ROOT_DIR)/$(LINUX_GCC_CROSS_COMPILE_PREBUILTS_BIN):$(KERNEL_MAKE_PATH_OPTION):$$PATH
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ifdef MTK_DTBO_FEATURE
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KERNEL_MAKE_OPTION += MTK_DTBO_FEATURE=$(MTK_DTBO_FEATURE)
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endif
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else
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BUILT_KERNEL_TARGET := $(TARGET_PREBUILT_KERNEL)
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endif#TARGET_PREBUILT_KERNEL is empty
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KERNEL_MAKE_OPTION += PROJECT_DTB_NAMES='$(PROJECT_DTB_NAMES)'
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endif#TARGET_NO_KERNEL
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