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proc.c

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  • Forked from Jonas Rabenstein / Linux
    Source project has a limited visibility.
    AndroidKernel.mk 3.44 KiB
    #Android makefile to build kernel as a part of Android Build
    PERL		= perl
    
    ifeq ($(TARGET_PREBUILT_KERNEL),)
    
    KERNEL_OUT := $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ
    KERNEL_CONFIG := $(KERNEL_OUT)/.config
    TARGET_PREBUILT_INT_KERNEL := $(KERNEL_OUT)/arch/arm/boot/zImage
    KERNEL_HEADERS_INSTALL := $(KERNEL_OUT)/usr
    KERNEL_MODULES_INSTALL := system
    KERNEL_MODULES_OUT := $(TARGET_OUT)/lib/modules
    KERNEL_IMG=$(KERNEL_OUT)/arch/arm/boot/Image
    
    MSM_ARCH ?= $(shell $(PERL) -e 'while (<>) {$$a = $$1 if /CONFIG_ARCH_((?:MSM|QSD)[a-zA-Z0-9]+)=y/; $$r = $$1 if /CONFIG_MSM_SOC_REV_(?!NONE)(\w+)=y/;} print lc("$$a$$r\n");' $(KERNEL_CONFIG))
    KERNEL_USE_OF ?= $(shell $(PERL) -e '$$of = "n"; while (<>) { if (/CONFIG_USE_OF=y/) { $$of = "y"; break; } } print $$of;' kernel/arch/arm/configs/$(KERNEL_DEFCONFIG))
    
    ifeq "$(KERNEL_USE_OF)" "y"
    DTS_NAME ?= $(MSM_ARCH)
    DTS_FILES = $(wildcard $(TOP)/kernel/arch/arm/boot/dts/$(DTS_NAME)*.dts)
    DTS_FILE = $(lastword $(subst /, ,$(1)))
    DTB_FILE = $(addprefix $(KERNEL_OUT)/arch/arm/boot/,$(patsubst %.dts,%.dtb,$(call DTS_FILE,$(1))))
    ZIMG_FILE = $(addprefix $(KERNEL_OUT)/arch/arm/boot/,$(patsubst %.dts,%-zImage,$(call DTS_FILE,$(1))))
    KERNEL_ZIMG = $(KERNEL_OUT)/arch/arm/boot/zImage
    DTC = $(KERNEL_OUT)/scripts/dtc/dtc
    
    define append-dtb
    mkdir -p $(KERNEL_OUT)/arch/arm/boot;\
    $(foreach d, $(DTS_FILES), \
       $(DTC) -p 1024 -O dtb -o $(call DTB_FILE,$(d)) $(d); \
       cat $(KERNEL_ZIMG) $(call DTB_FILE,$(d)) > $(call ZIMG_FILE,$(d));)
    endef
    else
    
    define append-dtb
    endef
    endif
    
    ifeq ($(TARGET_USES_UNCOMPRESSED_KERNEL),true)
    $(info Using uncompressed kernel)
    TARGET_PREBUILT_KERNEL := $(KERNEL_OUT)/piggy
    else
    TARGET_PREBUILT_KERNEL := $(TARGET_PREBUILT_INT_KERNEL)
    endif
    
    define mv-modules
    mdpath=`find $(KERNEL_MODULES_OUT) -type f -name modules.dep`;\
    if [ "$$mdpath" != "" ];then\
    mpath=`dirname $$mdpath`;\
    ko=`find $$mpath/kernel -type f -name *.ko`;\
    for i in $$ko; do mv $$i $(KERNEL_MODULES_OUT)/; done;\
    fi
    endef
    
    define clean-module-folder
    mdpath=`find $(KERNEL_MODULES_OUT) -type f -name modules.dep`;\
    if [ "$$mdpath" != "" ];then\
    mpath=`dirname $$mdpath`; rm -rf $$mpath;\
    fi
    endef
    
    $(KERNEL_OUT):
    	mkdir -p $(KERNEL_OUT)
    
    $(KERNEL_CONFIG): $(KERNEL_OUT)
    	$(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=arm CROSS_COMPILE=arm-eabi- $(KERNEL_DEFCONFIG)
    
    $(KERNEL_OUT)/piggy : $(TARGET_PREBUILT_INT_KERNEL)
    	$(hide) gunzip -c $(KERNEL_OUT)/arch/arm/boot/compressed/piggy.gzip > $(KERNEL_OUT)/piggy
    
    $(TARGET_PREBUILT_INT_KERNEL): $(KERNEL_OUT) $(KERNEL_CONFIG) $(KERNEL_HEADERS_INSTALL)