-
Notifications
You must be signed in to change notification settings - Fork 1
/
Copy pathAndroidKernel.mk
209 lines (183 loc) · 9.84 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
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
#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
TARGET_KERNEL_ARCH := $(strip $(TARGET_KERNEL_ARCH))
ifeq ($(TARGET_KERNEL_ARCH),)
KERNEL_ARCH := arm
else
KERNEL_ARCH := $(TARGET_KERNEL_ARCH)
endif
TARGET_KERNEL_HEADER_ARCH := $(strip $(TARGET_KERNEL_HEADER_ARCH))
ifeq ($(TARGET_KERNEL_HEADER_ARCH),)
KERNEL_HEADER_ARCH := $(KERNEL_ARCH)
else
$(warning Forcing kernel header generation only for '$(TARGET_KERNEL_HEADER_ARCH)')
KERNEL_HEADER_ARCH := $(TARGET_KERNEL_HEADER_ARCH)
endif
KERNEL_HEADER_DEFCONFIG := $(strip $(KERNEL_HEADER_DEFCONFIG))
ifeq ($(KERNEL_HEADER_DEFCONFIG),)
KERNEL_HEADER_DEFCONFIG := $(KERNEL_DEFCONFIG)
endif
# Force 32-bit binder IPC for 64bit kernel with 32bit userspace
ifeq ($(KERNEL_ARCH),arm64)
ifeq ($(TARGET_ARCH),arm)
KERNEL_CONFIG_OVERRIDE := CONFIG_ANDROID_BINDER_IPC_32BIT=y
endif
endif
TARGET_KERNEL_CROSS_COMPILE_PREFIX := $(strip $(TARGET_KERNEL_CROSS_COMPILE_PREFIX))
ifeq ($(TARGET_KERNEL_CROSS_COMPILE_PREFIX),)
KERNEL_CROSS_COMPILE := arm-eabi-
else
KERNEL_CROSS_COMPILE := $(TARGET_KERNEL_CROSS_COMPILE_PREFIX)
endif
ifeq ($(TARGET_PREBUILT_KERNEL),)
KERNEL_GCC_NOANDROID_CHK := $(shell (echo "int main() {return 0;}" | $(KERNEL_CROSS_COMPILE)gcc -E -mno-android - > /dev/null 2>&1 ; echo $$?))
ifeq ($(strip $(KERNEL_GCC_NOANDROID_CHK)),0)
KERNEL_CFLAGS := KCFLAGS=-mno-android
endif
KERNEL_OUT := $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ
KERNEL_CONFIG := $(KERNEL_OUT)/.config
ifeq ($(KERNEL_DEFCONFIG)$(wildcard $(KERNEL_CONFIG)),)
$(error Kernel configuration not defined, cannot build kernel)
else
ifeq ($(TARGET_USES_UNCOMPRESSED_KERNEL),true)
$(info Using uncompressed kernel)
TARGET_PREBUILT_INT_KERNEL := $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/Image
else
ifeq ($(KERNEL_ARCH),arm64)
TARGET_PREBUILT_INT_KERNEL := $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/Image.gz
else
TARGET_PREBUILT_INT_KERNEL := $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/zImage
endif
endif
ifeq ($(TARGET_KERNEL_APPEND_DTB), true)
$(info Using appended DTB)
TARGET_PREBUILT_INT_KERNEL := $(TARGET_PREBUILT_INT_KERNEL)-dtb
endif
KERNEL_HEADERS_INSTALL := $(KERNEL_OUT)/usr
KERNEL_MODULES_INSTALL := system
KERNEL_MODULES_OUT := $(TARGET_OUT)/lib/modules
TARGET_PREBUILT_KERNEL := $(TARGET_PREBUILT_INT_KERNEL)
$(info TARGET_PREBUILT_KERNEL is $(TARGET_PREBUILT_KERNEL))
define mv-modules
mdpath=`find $(KERNEL_MODULES_OUT) -type f -name modules.dep`;\
if [ "$$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=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) $(KERNEL_DEFCONFIG)
$(hide) if [ ! -z "$(KERNEL_CONFIG_OVERRIDE)" ]; then \
echo "Overriding kernel config with '$(KERNEL_CONFIG_OVERRIDE)'"; \
echo $(KERNEL_CONFIG_OVERRIDE) >> $(KERNEL_OUT)/.config; \
$(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) oldconfig; fi
$(TARGET_PREBUILT_INT_KERNEL): $(KERNEL_OUT) $(KERNEL_HEADERS_INSTALL)
$(hide) echo "Building kernel..."
$(hide) rm -rf $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/dts
$(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) $(KERNEL_CFLAGS)
$(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) $(KERNEL_CFLAGS) modules
$(MAKE) -C kernel O=../$(KERNEL_OUT) INSTALL_MOD_PATH=../../$(KERNEL_MODULES_INSTALL) INSTALL_MOD_STRIP=1 ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) modules_install
$(mv-modules)
$(clean-module-folder)
ifeq ($(PRODUCT_SUPPORT_EXFAT), y)
ifneq ($(PRODUCT_SUPPORT_OPEN_EXFAT), y)
@cp -f $(ANDROID_BUILD_TOP)/kernel/tuxera_update.sh $(ANDROID_BUILD_TOP)
ifdef TUXERA_TARGET
@sh tuxera_update.sh --target target/lg.d/$(TUXERA_TARGET) --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
else
@sh tuxera_update.sh --target target/lg.d/mobile-msm8939-arm64-4.9 --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
endif
@tar -xzf tuxera-*.tgz
@mkdir -p $(TARGET_OUT_EXECUTABLES)
@cp $(ANDROID_BUILD_TOP)/tuxera-*/exfat/kernel-module/texfat.ko $(ANDROID_BUILD_TOP)/$(TARGET_OUT_EXECUTABLES)/../lib/modules/
@cp $(ANDROID_BUILD_TOP)/tuxera-*/exfat/tools/* $(TARGET_OUT_EXECUTABLES)
perl $(ANDROID_BUILD_TOP)/kernel/scripts/sign-file sha1 $(ANDROID_BUILD_TOP)/$(KERNEL_OUT)/signing_key.priv $(ANDROID_BUILD_TOP)/$(KERNEL_OUT)/signing_key.x509 $(ANDROID_BUILD_TOP)/$(KERNEL_MODULES_OUT)/texfat.ko
ifeq ($(PRODUCT_SUPPORT_NTFS), y)
@cp $(ANDROID_BUILD_TOP)/tuxera-*/ntfs/kernel-module/tntfs.ko $(ANDROID_BUILD_TOP)/$(TARGET_OUT_EXECUTABLES)/../lib/modules/
@cp $(ANDROID_BUILD_TOP)/tuxera-*/ntfs/tools/* $(TARGET_OUT_EXECUTABLES)
perl $(ANDROID_BUILD_TOP)/kernel/scripts/sign-file sha1 $(ANDROID_BUILD_TOP)/$(KERNEL_OUT)/signing_key.priv $(ANDROID_BUILD_TOP)/$(KERNEL_OUT)/signing_key.x509 $(ANDROID_BUILD_TOP)/$(KERNEL_MODULES_OUT)/tntfs.ko
endif
@rm -f kheaders*.tar.bz2
@rm -f tuxera-*.tgz
@rm -rf tuxera-*
@rm -f tuxera_update.sh
endif
endif
ifeq ($(ITSON_ENABLED), true)
@cp -r $(ANDROID_BUILD_TOP)/$(ITSON_MODULE2_PATH)/$(TARGET_ARCH)/ $(ANDROID_BUILD_TOP)/$(ITSON_MODULE2_PATH)/build/
@cp $(ANDROID_BUILD_TOP)/kernel/drivers/misc/itson_module1/*.h $(ANDROID_BUILD_TOP)/$(ITSON_MODULE2_PATH)/build/itson/
@sh $(ANDROID_BUILD_TOP)/$(ITSON_MODULE2_PATH)/build/build-kernel-module2.sh $(KERNEL_CROSS_COMPILE) $(ANDROID_BUILD_TOP)/$(KERNEL_OUT) $(ANDROID_BUILD_TOP)/$(ITSON_MODULE2_PATH)/build 1500 $(TARGET_BUILD_VARIANT) system $(PLATFORM_VERSION)
perl $(ANDROID_BUILD_TOP)/kernel/scripts/sign-file sha1 \
$(ANDROID_BUILD_TOP)/$(KERNEL_OUT)/signing_key.priv $(ANDROID_BUILD_TOP)/$(KERNEL_OUT)/signing_key.x509 \
$(ANDROID_BUILD_TOP)/$(ITSON_MODULE2_PATH)/build/$(TARGET_BUILD_VARIANT)/itson_module2.ko \
$(ANDROID_BUILD_TOP)/$(KERNEL_MODULES_OUT)/itson_module2.ko
@rm -rf $(ANDROID_BUILD_TOP)/$(ITSON_MODULE2_PATH)/build
endif
# porting bootchart2 to android
ifeq ($(INIT_BOOTCHART2),true)
ifeq ($(TARGET_DEVICE),$(filter $(TARGET_DEVICE), altev2))
KERNEL_DEFCONFIG_PATH:=kernel/arch/arm64/configs/$(KERNEL_DEFCONFIG)
KERNEL_DEFCONFIG_BC2_PATH:=kernel/arch/arm64/configs/bc2_$(KERNEL_DEFCONFIG)
else
KERNEL_DEFCONFIG_PATH:=kernel/arch/arm/configs/$(KERNEL_DEFCONFIG)
KERNEL_DEFCONFIG_BC2_PATH:=kernel/arch/arm/configs/bc2_$(KERNEL_DEFCONFIG)
endif
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_HEADERS_INSTALL): $(KERNEL_OUT) bootchart2defconfig
$(hide) if [ ! -z "$(KERNEL_HEADER_DEFCONFIG)" ]; then \
$(hide) rm -f ../bc2_$(KERNEL_CONFIG); \
$(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_HEADER_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) bc2_$(KERNEL_HEADER_DEFCONFIG); \
$(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_HEADER_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) headers_install; fi
$(hide) if [ "$(KERNEL_HEADER_DEFCONFIG)" != "bc2_$(KERNEL_DEFCONFIG)" ]; then \
echo "Used a different defconfig for header generation"; \
$(hide) rm -f ../$(KERNEL_CONFIG); \
$(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) bc2_$(KERNEL_DEFCONFIG); fi
$(hide) if [ ! -z "$(KERNEL_CONFIG_OVERRIDE)" ]; then \
echo "Overriding kernel config with '$(KERNEL_CONFIG_OVERRIDE)'"; \
echo $(KERNEL_CONFIG_OVERRIDE) >> $(KERNEL_OUT)/.config; \
$(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) oldconfig; fi
else
$(KERNEL_HEADERS_INSTALL): $(KERNEL_OUT)
$(hide) if [ ! -z "$(KERNEL_HEADER_DEFCONFIG)" ]; then \
$(hide) rm -f ../$(KERNEL_CONFIG); \
$(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_HEADER_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) $(KERNEL_HEADER_DEFCONFIG); \
$(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_HEADER_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) headers_install; fi
$(hide) if [ "$(KERNEL_HEADER_DEFCONFIG)" != "$(KERNEL_DEFCONFIG)" ]; then \
echo "Used a different defconfig for header generation"; \
$(hide) rm -f ../$(KERNEL_CONFIG); \
$(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) $(KERNEL_DEFCONFIG); fi
$(hide) if [ ! -z "$(KERNEL_CONFIG_OVERRIDE)" ]; then \
echo "Overriding kernel config with '$(KERNEL_CONFIG_OVERRIDE)'"; \
echo $(KERNEL_CONFIG_OVERRIDE) >> $(KERNEL_OUT)/.config; \
$(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) oldconfig; fi
endif
kerneltags: $(KERNEL_OUT) $(KERNEL_CONFIG)
$(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) tags
kernelconfig: $(KERNEL_OUT) $(KERNEL_CONFIG)
env KCONFIG_NOTIMESTAMP=true \
$(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) menuconfig
env KCONFIG_NOTIMESTAMP=true \
$(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) savedefconfig
cp $(KERNEL_OUT)/defconfig kernel/arch/$(KERNEL_ARCH)/configs/$(KERNEL_DEFCONFIG)
endif
endif