-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathAndroid.mk
194 lines (159 loc) · 7.24 KB
/
Android.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
# Copyright (C) 2012 The CyanogenMod Project
# Copyright (C) 2015 Chirayu Desai
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Android makefile to build kernel as a part of Android Build
ifeq ($(BUILD_KERNEL),true)
ifeq ($(filter-out amami aries castor castor_windy eagle flamingo honami ivy karin karin_windy leo scorpion scorpion_windy seagull sirius sumire suzuran tianchi tianchi_dsds togari tulip,$(TARGET_DEVICE)),)
KERNEL_SRC := $(call my-dir)
# kernel configuration - mandatory:
TARGET_KERNEL_CONFIG ?= $(notdir $(wildcard $(KERNEL_SRC)/arch/arm/configs/aosp_*_$(TARGET_DEVICE)_defconfig))
KERNEL_DEFCONFIG := $(TARGET_KERNEL_CONFIG)
ifeq ($(OUT_DIR),out)
KERNEL_OUT := $(ANDROID_BUILD_TOP)/$(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ
else
KERNEL_OUT := $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ
endif
KERNEL_CONFIG := $(KERNEL_OUT)/.config
TARGET_KERNEL_ARCH := $(strip $(TARGET_KERNEL_ARCH))
ifeq ($(TARGET_KERNEL_ARCH),)
KERNEL_ARCH := $(TARGET_ARCH)
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
KERNEL_HEADER_ARCH := $(TARGET_KERNEL_HEADER_ARCH)
endif
KERNEL_HEADER_DEFCONFIG := $(strip $(KERNEL_HEADER_DEFCONFIG))
ifeq ($(KERNEL_HEADER_DEFCONFIG),)
KERNEL_HEADER_DEFCONFIG := $(KERNEL_DEFCONFIG)
endif
ifeq ($(TARGET_USES_UNCOMPRESSED_KERNEL),true)
TARGET_PREBUILT_INT_KERNEL_TYPE := Image
else
TARGET_PREBUILT_INT_KERNEL_TYPE := zImage
endif
TARGET_PREBUILT_INT_KERNEL := $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/$(TARGET_PREBUILT_INT_KERNEL_TYPE)
KERNEL_DTB := $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/dts
KERNEL_DTB_OUT := $(PRODUCT_OUT)/dtbs
# Clear this first to prevent accidental poisoning from env
MAKE_FLAGS :=
ifeq ($(KERNEL_ARCH),arm64)
# Avoid "unsupported RELA relocation: 311" errors (R_AARCH64_ADR_GOT_PAGE)
MAKE_FLAGS += CFLAGS_MODULE="-fno-pic"
ifeq ($(TARGET_ARCH),arm)
KERNEL_CONFIG_OVERRIDE := CONFIG_ANDROID_BINDER_IPC_32BIT=y
endif
endif
KERNEL_BIN := $(TARGET_PREBUILT_INT_KERNEL)
KERNEL_HEADERS_INSTALL := $(KERNEL_OUT)/usr
KERNEL_MODULES_INSTALL := system
KERNEL_MODULES_OUT := $(TARGET_OUT)/lib/modules
TARGET_KERNEL_CROSS_COMPILE_PREFIX := $(strip $(TARGET_KERNEL_CROSS_COMPILE_PREFIX))
ifeq ($(TARGET_KERNEL_CROSS_COMPILE_PREFIX),)
ifeq ($(KERNEL_TOOLCHAIN_PREFIX),)
KERNEL_TOOLCHAIN_PREFIX := arm-eabi-
endif
else
KERNEL_TOOLCHAIN_PREFIX := $(TARGET_KERNEL_CROSS_COMPILE_PREFIX)
endif
ifeq ($(KERNEL_TOOLCHAIN),)
KERNEL_TOOLCHAIN_PATH := $(KERNEL_TOOLCHAIN_PREFIX)
else
ifneq ($(KERNEL_TOOLCHAIN_PREFIX),)
KERNEL_TOOLCHAIN_PATH := $(KERNEL_TOOLCHAIN)/$(KERNEL_TOOLCHAIN_PREFIX)
endif
endif
ifneq ($(USE_CCACHE),)
ccache := $(ANDROID_BUILD_TOP)/prebuilts/misc/$(HOST_PREBUILT_TAG)/ccache/ccache
# Check that the executable is here.
ccache := $(strip $(wildcard $(ccache)))
endif
KERNEL_CROSS_COMPILE := CROSS_COMPILE="$(ccache) $(KERNEL_TOOLCHAIN_PATH)"
ccache =
define mv-modules
mdpath=`find $(KERNEL_MODULES_OUT) -type f -name modules.order`;\
if [ "$$mdpath" != "" ];then\
mpath=`dirname $$mdpath`;\
ko=`find $$mpath/kernel -type f -name *.ko`;\
for i in $$ko; do $(KERNEL_TOOLCHAIN_PATH)strip --strip-unneeded $$i;\
mv $$i $(KERNEL_MODULES_OUT)/; done;\
fi
endef
define clean-module-folder
mdpath=`find $(KERNEL_MODULES_OUT) -type f -name modules.order`;\
if [ "$$mdpath" != "" ];then\
mpath=`dirname $$mdpath`; rm -rf $$mpath;\
fi
endef
ifeq ($(HOST_OS),darwin)
MAKE_FLAGS += C_INCLUDE_PATH=$(ANDROID_BUILD_TOP)/external/elfutils/0.153/libelf/
endif
ifeq ($(TARGET_KERNEL_MODULES),)
TARGET_KERNEL_MODULES := no-external-modules
endif
$(KERNEL_OUT):
mkdir -p $(KERNEL_OUT)
mkdir -p $(KERNEL_MODULES_OUT)
mkdir -p $(KERNEL_DTB_OUT)
$(KERNEL_CONFIG): $(KERNEL_OUT)
$(MAKE) $(MAKE_FLAGS) -C $(KERNEL_SRC) O=$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) $(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 $(KERNEL_SRC) O=$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) oldconfig; fi
TARGET_KERNEL_BINARIES: $(KERNEL_OUT) $(KERNEL_CONFIG) $(KERNEL_HEADERS_INSTALL) | $(ACP)
$(MAKE) $(MAKE_FLAGS) -C $(KERNEL_SRC) O=$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) $(TARGET_PREBUILT_INT_KERNEL_TYPE)
-$(MAKE) $(MAKE_FLAGS) -C $(KERNEL_SRC) O=$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) dtbs
$(ACP) -fp $(KERNEL_DTB)/*.dtb $(KERNEL_DTB_OUT)/
-$(MAKE) $(MAKE_FLAGS) -C $(KERNEL_SRC) O=$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) modules
-$(MAKE) $(MAKE_FLAGS) -C $(KERNEL_SRC) O=$(KERNEL_OUT) INSTALL_MOD_PATH=../../$(KERNEL_MODULES_INSTALL) ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) modules_install
$(mv-modules)
$(clean-module-folder)
$(TARGET_KERNEL_MODULES): TARGET_KERNEL_BINARIES
$(TARGET_PREBUILT_INT_KERNEL): $(TARGET_KERNEL_MODULES)
$(mv-modules)
$(clean-module-folder)
$(KERNEL_HEADERS_INSTALL): $(KERNEL_OUT) $(KERNEL_CONFIG)
$(hide) if [ ! -z "$(KERNEL_HEADER_DEFCONFIG)" ]; then \
rm -f ../$(KERNEL_CONFIG); \
$(MAKE) -C $(KERNEL_SRC) O=$(KERNEL_OUT) ARCH=$(KERNEL_HEADER_ARCH) $(KERNEL_CROSS_COMPILE) $(KERNEL_HEADER_DEFCONFIG); \
$(MAKE) -C $(KERNEL_SRC) O=$(KERNEL_OUT) ARCH=$(KERNEL_HEADER_ARCH) $(KERNEL_CROSS_COMPILE) headers_install; fi
$(hide) if [ "$(KERNEL_HEADER_DEFCONFIG)" != "$(KERNEL_DEFCONFIG)" ]; then \
echo "Used a different defconfig for header generation"; \
rm -f ../$(KERNEL_CONFIG); \
$(MAKE) -C $(KERNEL_SRC) O=$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) $(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 $(KERNEL_SRC) O=$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) oldconfig; fi
kerneltags: $(KERNEL_OUT) $(KERNEL_CONFIG)
$(MAKE) -C $(KERNEL_SRC) O=$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) tags
kernelconfig: $(KERNEL_OUT) $(KERNEL_CONFIG)
env KCONFIG_NOTIMESTAMP=true \
$(MAKE) -C $(KERNEL_SRC) O=$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) menuconfig
env KCONFIG_NOTIMESTAMP=true \
$(MAKE) -C $(KERNEL_SRC) O=$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) savedefconfig
cp $(KERNEL_OUT)/defconfig $(KERNEL_SRC)/arch/$(KERNEL_ARCH)/configs/$(KERNEL_DEFCONFIG)
## Install it
INSTALLED_KERNEL_TARGET ?= $(PRODUCT_OUT)/kernel
file := $(INSTALLED_KERNEL_TARGET)
ALL_PREBUILT += $(file)
$(file) : $(KERNEL_BIN) | $(ACP)
$(transform-prebuilt-to-target)
ALL_PREBUILT += $(INSTALLED_KERNEL_TARGET)
endif # Sony AOSP devices
endif # BUILD_KERNEL