97 lines
4.1 KiB
Makefile
97 lines
4.1 KiB
Makefile
|
# Copyright (C) 2017 MediaTek Inc.
|
||
|
|
#
|
||
|
|
# This program is free software; you can redistribute it and/or modify
|
||
|
|
# it under the terms of the GNU General Public License version 2 as
|
||
|
|
# published by the Free Software Foundation.
|
||
|
|
#
|
||
|
|
# This program is distributed in the hope that it will be useful,
|
||
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
||
|
|
# See http://www.gnu.org/licenses/gpl-2.0.html for more details.
|
||
|
|
|
||
|
|
KERNEL_ENV_PATH := $(call my-dir)
|
||
|
|
KERNEL_ROOT_DIR := $(PWD)
|
||
|
|
|
||
|
|
define touch-kernel-image-timestamp
|
||
|
|
if [ -e $(1) ] && [ -e $(2) ] && cmp -s $(1) $(2); then \
|
||
|
|
echo $(2) has no change;\
|
||
|
|
mv -f $(1) $(2);\
|
||
|
|
else \
|
||
|
|
rm -f $(1);\
|
||
|
|
fi
|
||
|
|
endef
|
||
|
|
|
||
|
|
define move-kernel-module-files
|
||
|
|
v=`cat $(2)/include/config/kernel.release`;\
|
||
|
|
for i in `grep -h '\.ko' /dev/null $(2)/.tmp_versions/*.mod`; do \
|
||
|
|
o=`basename $$i`;\
|
||
|
|
if [ -e $(1)/lib/modules/$$o ] && cmp -s $(1)/lib/modules/$$v/kernel/$$i $(1)/lib/modules/$$o; then \
|
||
|
|
echo $(1)/lib/modules/$$o has no change;\
|
||
|
|
else \
|
||
|
|
echo Update $(1)/lib/modules/$$o;\
|
||
|
|
mv -f $(1)/lib/modules/$$v/kernel/$$i $(1)/lib/modules/$$o;\
|
||
|
|
fi;\
|
||
|
|
done
|
||
|
|
endef
|
||
|
|
|
||
|
|
define clean-kernel-module-dirs
|
||
|
|
rm -rf $(1)/lib/modules/$(if $(2),`cat $(2)/include/config/kernel.release`,*/)
|
||
|
|
endef
|
||
|
|
|
||
|
|
# '\\' in command is wrongly replaced to '\\\\' in kernel/out/arch/arm/boot/compressed/.piggy.xzkern.cmd
|
||
|
|
define fixup-kernel-cmd-file
|
||
|
|
if [ -e $(1) ]; then cp $(1) $(1).bak; sed -e 's/\\\\\\\\/\\\\/g' < $(1).bak > $(1); rm -f $(1).bak; fi
|
||
|
|
endef
|
||
|
|
|
||
|
|
ifneq ($(strip $(TARGET_NO_KERNEL)),true)
|
||
|
|
KERNEL_DIR := $(KERNEL_ENV_PATH)
|
||
|
|
|
||
|
|
ifeq ($(KERNEL_TARGET_ARCH),arm64)
|
||
|
|
TARGET_KERNEL_CROSS_COMPILE ?= $(KERNEL_ROOT_DIR)/prebuilts/gcc/$(HOST_PREBUILT_TAG)/aarch64/aarch64-linux-android-4.9/bin/aarch64-linux-android-
|
||
|
|
ifeq ($(strip $(TARGET_KERNEL_USE_CLANG)),true)
|
||
|
|
TARGET_KERNEL_CLANG_COMPILE := CLANG_TRIPLE=aarch64-linux-gnu- CC=$(KERNEL_ROOT_DIR)/${LLVM_PREBUILTS_PATH}/clang
|
||
|
|
endif
|
||
|
|
else
|
||
|
|
TARGET_KERNEL_CROSS_COMPILE ?= $(KERNEL_ROOT_DIR)/prebuilts/gcc/$(HOST_PREBUILT_TAG)/arm/arm-linux-androideabi-4.9/bin/arm-linux-androideabi-
|
||
|
|
# No CLANG support for arm yet
|
||
|
|
TARGET_KERNEL_CLANG_COMPILE :=
|
||
|
|
endif
|
||
|
|
|
||
|
|
ifeq ($(wildcard $(TARGET_PREBUILT_KERNEL)),)
|
||
|
|
KERNEL_OUT ?= $(if $(filter /% ~%,$(TARGET_OUT_INTERMEDIATES)),,$(KERNEL_ROOT_DIR)/)$(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ
|
||
|
|
ifeq ($(KERNEL_TARGET_ARCH), arm64)
|
||
|
|
ifeq ($(MTK_APPENDED_DTB_SUPPORT), yes)
|
||
|
|
KERNEL_ZIMAGE_OUT := $(KERNEL_OUT)/arch/$(KERNEL_TARGET_ARCH)/boot/Image.gz-dtb
|
||
|
|
else
|
||
|
|
KERNEL_ZIMAGE_OUT := $(KERNEL_OUT)/arch/$(KERNEL_TARGET_ARCH)/boot/Image.gz
|
||
|
|
endif
|
||
|
|
else
|
||
|
|
ifeq ($(MTK_APPENDED_DTB_SUPPORT), yes)
|
||
|
|
KERNEL_ZIMAGE_OUT := $(KERNEL_OUT)/arch/$(KERNEL_TARGET_ARCH)/boot/zImage-dtb
|
||
|
|
else
|
||
|
|
KERNEL_ZIMAGE_OUT := $(KERNEL_OUT)/arch/$(KERNEL_TARGET_ARCH)/boot/zImage
|
||
|
|
endif
|
||
|
|
endif
|
||
|
|
|
||
|
|
export MTK_DTBO_FEATURE
|
||
|
|
|
||
|
|
BUILT_KERNEL_TARGET := $(KERNEL_ZIMAGE_OUT).bin
|
||
|
|
INSTALLED_KERNEL_TARGET := $(PRODUCT_OUT)/kernel
|
||
|
|
INSTALLED_DTB_OVERLAY_TARGET := $(PRODUCT_OUT)/dtbo.img
|
||
|
|
BUILT_DTB_OVERLAY_TARGET := $(KERNEL_OUT)/arch/$(KERNEL_TARGET_ARCH)/boot/dts/dtbo.img
|
||
|
|
TARGET_KERNEL_CONFIG := $(KERNEL_OUT)/.config
|
||
|
|
KERNEL_HEADERS_INSTALL := $(KERNEL_OUT)/usr
|
||
|
|
KERNEL_CONFIG_FILE := $(KERNEL_DIR)/arch/$(KERNEL_TARGET_ARCH)/configs/$(KERNEL_DEFCONFIG)
|
||
|
|
KERNEL_CONFIG_MODULES := $(shell grep ^CONFIG_MODULES=y $(KERNEL_CONFIG_FILE))
|
||
|
|
KERNEL_MODULES_OUT := $(if $(filter /% ~%,$(TARGET_OUT)),,$(KERNEL_ROOT_DIR)/)$(TARGET_OUT)
|
||
|
|
KERNEL_MODULES_DEPS := $(if $(wildcard $(KERNEL_MODULES_OUT)/lib/modules/*.ko),$(wildcard $(KERNEL_MODULES_OUT)/lib/modules/*.ko),$(KERNEL_MODULES_OUT)/lib/modules)
|
||
|
|
KERNEL_MODULES_SYMBOLS_OUT := $(if $(filter /% ~%,$(TARGET_OUT_UNSTRIPPED)),,$(KERNEL_ROOT_DIR)/)$(TARGET_OUT_UNSTRIPPED)/system
|
||
|
|
KERNEL_MAKE_OPTION := O=$(KERNEL_OUT) ARCH=$(KERNEL_TARGET_ARCH) CROSS_COMPILE=$(TARGET_KERNEL_CROSS_COMPILE) $(TARGET_KERNEL_CLANG_COMPILE) ROOTDIR=$(KERNEL_ROOT_DIR) $(if $(strip $(SHOW_COMMANDS)),V=1)
|
||
|
|
|
||
|
|
export TARGET_KERNEL_CROSS_COMPILE
|
||
|
|
else
|
||
|
|
BUILT_KERNEL_TARGET := $(TARGET_PREBUILT_KERNEL)
|
||
|
|
endif#TARGET_PREBUILT_KERNEL is empty
|
||
|
|
|
||
|
|
endif#TARGET_NO_KERNEL
|