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91 lines
3.7 KiB
91 lines
3.7 KiB
# 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 := $(KERNEL_ENV_PATH) |
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ifeq ($(KERNEL_CROSS_COMPILE),) |
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ifeq ($(TARGET_ARCH),arm64) |
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KERNEL_CROSS_COMPILE := $(KERNEL_ROOT_DIR)/$(TARGET_TOOLS_PREFIX) |
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else |
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KERNEL_CROSS_COMPILE := $(KERNEL_ROOT_DIR)/prebuilts/gcc/$(HOST_PREBUILT_TAG)/arm/arm-eabi-$(TARGET_GCC_VERSION)/bin/arm-eabi- |
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endif |
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endif |
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ifeq ($(wildcard $(TARGET_PREBUILT_KERNEL)),) |
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KERNEL_OUT ?= $(if $(filter /% ~%,$(TARGET_OUT_INTERMEDIATES)),,$(KERNEL_ROOT_DIR)/)$(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ |
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ifeq ($(TARGET_ARCH), arm64) |
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ifeq ($(MTK_APPENDED_DTB_SUPPORT), yes) |
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KERNEL_ZIMAGE_OUT := $(KERNEL_OUT)/arch/$(TARGET_ARCH)/boot/Image.gz-dtb |
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else |
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KERNEL_ZIMAGE_OUT := $(KERNEL_OUT)/arch/$(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 := $(KERNEL_OUT)/arch/$(TARGET_ARCH)/boot/zImage-dtb |
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else |
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KERNEL_ZIMAGE_OUT := $(KERNEL_OUT)/arch/$(TARGET_ARCH)/boot/zImage |
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endif |
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endif |
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export MTK_DTBO_FEATURE |
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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 := $(KERNEL_OUT)/arch/$(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 := $(KERNEL_DIR)/arch/$(TARGET_ARCH)/configs/$(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=$(KERNEL_OUT) ARCH=$(TARGET_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) ROOTDIR=$(KERNEL_ROOT_DIR) $(if $(strip $(SHOW_COMMANDS)),V=1) |
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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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endif#TARGET_NO_KERNEL
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