forked from CyanogenMod/android_kernel_lge_msm8974
-
Notifications
You must be signed in to change notification settings - Fork 3
/
AndroidKernel.mk
153 lines (125 loc) · 5.92 KB
/
AndroidKernel.mk
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
#Android makefile to build kernel as a part of Android Build
PERL = perl
KERNEL_TARGET := $(strip $(INSTALLED_KERNEL_TARGET))
ifeq ($(KERNEL_TARGET),)
INSTALLED_KERNEL_TARGET := $(PRODUCT_OUT)/kernel
endif
ifeq ($(TARGET_PREBUILT_KERNEL),)
KERNEL_OUT := $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ
KERNEL_CONFIG := $(KERNEL_OUT)/.config
ifeq ($(TARGET_KERNEL_APPEND_DTB), true)
TARGET_PREBUILT_INT_KERNEL := $(KERNEL_OUT)/arch/arm/boot/zImage-dtb
else
TARGET_PREBUILT_INT_KERNEL := $(KERNEL_OUT)/arch/arm/boot/zImage
endif
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
DTS_NAMES ?= $(shell $(PERL) -e 'while (<>) {$$a = $$1 if /CONFIG_ARCH_((?:MSM|QSD|MPQ)[a-zA-Z0-9]+)=y/; $$r = $$1 if /CONFIG_MSM_SOC_REV_(?!NONE)(\w+)=y/; $$arch = $$arch.lc("$$a$$r ") if /CONFIG_ARCH_((?:MSM|QSD|MPQ)[a-zA-Z0-9]+)=y/} print $$arch;' $(KERNEL_CONFIG))
KERNEL_USE_OF ?= $(shell $(PERL) -e '$$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_FILES = $(wildcard $(TOP)/kernel/arch/arm/boot/dts/$(DTS_TARGET)/$(DTS_NAME)*.dts)
# 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 DTS_NAME, $(DTS_NAMES), \
$(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 $(KERNEL_OUT)
# LGE_CHANGE_S
# porting bootchart2 to android
# # [email protected] 20120620
ifeq ($(INIT_BOOTCHART2),true)
KERNEL_DEFCONFIG_PATH:=kernel/arch/arm/configs/$(KERNEL_DEFCONFIG)
KERNEL_DEFCONFIG_BC2_PATH:=kernel/arch/arm/configs/bc2_$(KERNEL_DEFCONFIG)
bootchart2defconfig:
cp -f $(KERNEL_DEFCONFIG_PATH) $(KERNEL_DEFCONFIG_BC2_PATH)
echo "CONFIG_TASKSTATS=y" >> $(KERNEL_DEFCONFIG_BC2_PATH)
echo "CONFIG_TASK_DELAY_ACCT=y" >> $(KERNEL_DEFCONFIG_BC2_PATH)
echo "CONFIG_TASK_XACCT=y" >> $(KERNEL_DEFCONFIG_BC2_PATH)
echo "CONFIG_TASK_IO_ACCOUNTING=y" >> $(KERNEL_DEFCONFIG_BC2_PATH)
echo "CONFIG_CONNECTOR=y" >> $(KERNEL_DEFCONFIG_BC2_PATH)
echo "CONFIG_PROC_EVENTS=y" >> $(KERNEL_DEFCONFIG_BC2_PATH)
$(KERNEL_CONFIG): $(KERNEL_OUT) bootchart2defconfig
$(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=arm CROSS_COMPILE=arm-linux-androideabi-- bc2_$(KERNEL_DEFCONFIG)
else
# LGE_CHANGE_E
$(KERNEL_CONFIG): $(KERNEL_OUT)
$(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=arm CROSS_COMPILE=arm-linux-androideabi-- $(KERNEL_DEFCONFIG)
ifneq ($(TARGET_BUILD_VARIANT), user)
echo "CONFIG_MMC_MSM_DEBUGFS=y" >> $(KERNEL_CONFIG)
endif
# LGE_CHANGE_S
# porting bootchart2 to android
# [email protected] 20120620
endif
# LGE_CHANGE_E
#[BRCM][WAPI][CHINA]Broadcom chipset yongcan.guo for CHINA WAPI CONFIG_BRCM_WAPI=y
ifeq ($(TARGET_COUNTRY),CN)
echo "CONFIG_BRCM_WAPI=y" >> $(KERNEL_CONFIG)
endif
$(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)
$(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=arm CROSS_COMPILE=arm-linux-androideabi--
$(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=arm CROSS_COMPILE=arm-linux-androideabi-- modules
$(MAKE) -C kernel O=../$(KERNEL_OUT) INSTALL_MOD_PATH=../../$(KERNEL_MODULES_INSTALL) INSTALL_MOD_STRIP=1 ARCH=arm CROSS_COMPILE=arm-linux-androideabi-- modules_install
ifeq ($(PRODUCT_SUPPORT_EXFAT), y)
@cp -f $(ANDROID_BUILD_TOP)/kernel/tuxera_update.sh $(ANDROID_BUILD_TOP)
@sh tuxera_update.sh --target target/lg.d/mobile-msm8974 --use-cache --latest --max-cache-entries 2 --source-dir $(ANDROID_BUILD_TOP)/kernel --output-dir $(ANDROID_BUILD_TOP)/$(KERNEL_OUT) -a --user lg-mobile --pass AumlTsj0ou
@tar -xzf tuxera-exfat*.tgz
@mkdir -p $(TARGET_OUT_EXECUTABLES)
@cp $(ANDROID_BUILD_TOP)/tuxera-exfat*/exfat/kernel-module/texfat.ko $(ANDROID_BUILD_TOP)/$(TARGET_OUT_EXECUTABLES)/../lib/modules/
@cp $(ANDROID_BUILD_TOP)/tuxera-exfat*/exfat/tools/* $(TARGET_OUT_EXECUTABLES)
@rm -f kheaders*.tar.bz2
@rm -f tuxera-exfat*.tgz
@rm -rf tuxera-exfat*
@rm -f tuxera_update.sh
endif
$(mv-modules)
$(clean-module-folder)
$(append-dtb)
$(KERNEL_HEADERS_INSTALL): $(KERNEL_OUT) $(KERNEL_CONFIG)
$(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=arm CROSS_COMPILE=arm-linux-androideabi-- headers_install
kerneltags: $(KERNEL_OUT) $(KERNEL_CONFIG)
$(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=arm CROSS_COMPILE=arm-linux-androideabi-- tags
kernelconfig: $(KERNEL_OUT) $(KERNEL_CONFIG)
env KCONFIG_NOTIMESTAMP=true \
$(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=arm CROSS_COMPILE=arm-linux-androideabi-- menuconfig
env KCONFIG_NOTIMESTAMP=true \
$(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=arm CROSS_COMPILE=arm-linux-androideabi-- savedefconfig
cp $(KERNEL_OUT)/defconfig kernel/arch/arm/configs/$(KERNEL_DEFCONFIG)
endif