-
Notifications
You must be signed in to change notification settings - Fork 2
/
kenv.mk
141 lines (129 loc) · 5.16 KB
/
kenv.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
# Copyright (C) 2017 MediaTek Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See http://www.gnu.org/licenses/gpl-2.0.html for more details.
KERNEL_ENV_PATH := $(call my-dir)
KERNEL_ROOT_DIR := $(PWD)
define touch-kernel-image-timestamp
if [ -e $(1) ] && [ -e $(2) ] && cmp -s $(1) $(2); then \
echo $(2) has no change;\
mv -f $(1) $(2);\
else \
rm -f $(1);\
fi
endef
define move-kernel-module-files
v=`cat $(2)/include/config/kernel.release`;\
for i in `grep -h '\.ko' /dev/null $(2)/.tmp_versions/*.mod`; do \
o=`basename $$i`;\
if [ -e $(1)/lib/modules/$$o ] && cmp -s $(1)/lib/modules/$$v/kernel/$$i $(1)/lib/modules/$$o; then \
echo $(1)/lib/modules/$$o has no change;\
else \
echo Update $(1)/lib/modules/$$o;\
mv -f $(1)/lib/modules/$$v/kernel/$$i $(1)/lib/modules/$$o;\
fi;\
done
endef
define clean-kernel-module-dirs
rm -rf $(1)/lib/modules/$(if $(2),`cat $(2)/include/config/kernel.release`,*/)
endef
# '\\' in command is wrongly replaced to '\\\\' in kernel/out/arch/arm/boot/compressed/.piggy.xzkern.cmd
define fixup-kernel-cmd-file
if [ -e $(1) ]; then cp $(1) $(1).bak; sed -e 's/\\\\\\\\/\\\\/g' < $(1).bak > $(1); rm -f $(1).bak; fi
endef
ifneq ($(strip $(TARGET_NO_KERNEL)),true)
KERNEL_DIR := $(KERNEL_ENV_PATH)
mkfile_path := $(abspath $(lastword $(MAKEFILE_LIST)))
current_dir := $(notdir $(patsubst %/,%,$(dir $(mkfile_path))))
ifeq ($(KERNEL_TARGET_ARCH),arm64)
ifeq ($(strip $(TARGET_KERNEL_USE_CLANG)),true)
include $(current_dir)/build.config.mtk.aarch64
else
include $(current_dir)/build.config.mtk.aarch64.gcc
endif
else
ifeq ($(strip $(TARGET_KERNEL_USE_CLANG)),true)
include $(current_dir)/build.config.mtk.arm
else
$(error TARGET_KERNEL_USE_CLANG is not set)
endif
endif
ARGS := CROSS_COMPILE=$(CROSS_COMPILE)
ifneq ($(CLANG_TRIPLE),)
ARGS += CLANG_TRIPLE=$(CLANG_TRIPLE)
endif
ifneq ($(LD),)
ARGS += LD=$(LD)
endif
ifneq ($(LD_LIBRARY_PATH),)
ARGS += LD_LIBRARY_PATH=$(KERNEL_ROOT_DIR)/$(LD_LIBRARY_PATH)
endif
ifneq ($(NM),)
ARGS += NM=$(NM)
endif
ifneq ($(OBJCOPY),)
ARGS += OBJCOPY=$(OBJCOPY)
endif
ifeq ("$(CC)", "gcc")
CC :=
endif
ifneq ($(filter-out false,$(USE_CCACHE)),)
CCACHE_EXEC ?= /usr/bin/ccache
CCACHE_EXEC := $(abspath $(wildcard $(CCACHE_EXEC)))
else
CCACHE_EXEC :=
endif
ifneq ($(CCACHE_EXEC),)
ifneq ($(CC),)
ARGS += CCACHE_CPP2=yes CC='$(CCACHE_EXEC) $(CC)'
endif
else
ifneq ($(CC),)
ARGS += CC=$(CC)
endif
endif
TARGET_KERNEL_CROSS_COMPILE := $(KERNEL_ROOT_DIR)/$(LINUX_GCC_CROSS_COMPILE_PREBUILTS_BIN)/$(CROSS_COMPILE)
ifeq ($(wildcard $(TARGET_PREBUILT_KERNEL)),)
KERNEL_OUT ?= $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ
KERNEL_ROOT_OUT := $(if $(filter /% ~%,$(KERNEL_OUT)),,$(KERNEL_ROOT_DIR)/)$(KERNEL_OUT)
ifeq ($(KERNEL_TARGET_ARCH), arm64)
ifeq ($(MTK_APPENDED_DTB_SUPPORT), yes)
KERNEL_ZIMAGE_OUT := $(KERNEL_OUT)/arch/$(KERNEL_TARGET_ARCH)/boot/Image.gz-dtb
else
KERNEL_ZIMAGE_OUT := $(KERNEL_OUT)/arch/$(KERNEL_TARGET_ARCH)/boot/Image.gz
endif
else
ifeq ($(MTK_APPENDED_DTB_SUPPORT), yes)
KERNEL_ZIMAGE_OUT := $(KERNEL_OUT)/arch/$(KERNEL_TARGET_ARCH)/boot/zImage-dtb
else
KERNEL_ZIMAGE_OUT := $(KERNEL_OUT)/arch/$(KERNEL_TARGET_ARCH)/boot/zImage
endif
endif
BUILT_KERNEL_TARGET := $(KERNEL_ZIMAGE_OUT).bin
INSTALLED_KERNEL_TARGET := $(PRODUCT_OUT)/kernel
INSTALLED_DTB_OVERLAY_TARGET := $(PRODUCT_OUT)/odmdtbo.img
BUILT_DTB_OVERLAY_TARGET := $(KERNEL_OUT)/arch/$(KERNEL_TARGET_ARCH)/boot/dts/odmdtbo.img
TARGET_KERNEL_CONFIG := $(KERNEL_OUT)/.config
KERNEL_HEADERS_INSTALL := $(KERNEL_OUT)/usr
KERNEL_CONFIG_FILE := $(KERNEL_DIR)/arch/$(KERNEL_TARGET_ARCH)/configs/$(word 1,$(KERNEL_DEFCONFIG))
#KERNEL_CONFIG_MODULES := $(shell grep ^CONFIG_MODULES=y $(KERNEL_CONFIG_FILE))
#KERNEL_MODULES_OUT := $(if $(filter /% ~%,$(TARGET_OUT)),,$(KERNEL_ROOT_DIR)/)$(TARGET_OUT)
#KERNEL_MODULES_DEPS := $(if $(wildcard $(KERNEL_MODULES_OUT)/lib/modules/*.ko),$(wildcard $(KERNEL_MODULES_OUT)/lib/modules/*.ko),$(KERNEL_MODULES_OUT)/lib/modules)
#KERNEL_MODULES_SYMBOLS_OUT := $(if $(filter /% ~%,$(TARGET_OUT_UNSTRIPPED)),,$(KERNEL_ROOT_DIR)/)$(TARGET_OUT_UNSTRIPPED)/system
KERNEL_MAKE_OPTION := O=$(KERNEL_ROOT_OUT) ARCH=$(KERNEL_TARGET_ARCH) $(ARGS) ROOTDIR=$(KERNEL_ROOT_DIR)
KERNEL_MAKE_PATH_OPTION := /usr/bin:/bin
KERNEL_MAKE_OPTION += PATH=$(KERNEL_ROOT_DIR)/$(CLANG_PREBUILT_BIN):$(KERNEL_ROOT_DIR)/$(LINUX_GCC_CROSS_COMPILE_PREBUILTS_BIN):$(KERNEL_MAKE_PATH_OPTION):$$PATH
ifdef MTK_DTBO_FEATURE
KERNEL_MAKE_OPTION += MTK_DTBO_FEATURE=$(MTK_DTBO_FEATURE)
endif
else
BUILT_KERNEL_TARGET := $(TARGET_PREBUILT_KERNEL)
endif#TARGET_PREBUILT_KERNEL is empty
KERNEL_MAKE_OPTION += PROJECT_DTB_NAMES='$(PROJECT_DTB_NAMES)'
endif#TARGET_NO_KERNEL