1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 # ============================================ 2 # ==========================================================================
3 # Installing modules 3 # Installing modules
4 # ============================================ 4 # ==========================================================================
5 5
6 PHONY := __modinst 6 PHONY := __modinst
7 __modinst: 7 __modinst:
8 8
9 include include/config/auto.conf !! 9 include scripts/Kbuild.include
10 include $(srctree)/scripts/Kbuild.include <<
11 10
12 install-y := <<
13 <<
14 ifeq ($(KBUILD_EXTMOD)$(sign-only),) <<
15 <<
16 # remove the old directory and symlink <<
17 $(shell rm -fr $(MODLIB)/kernel $(MODLIB)/buil <<
18 <<
19 install-$(CONFIG_MODULES) += $(addprefix $(MOD <<
20 <<
21 $(MODLIB)/build: FORCE <<
22 $(call cmd,symlink) <<
23 <<
24 quiet_cmd_symlink = SYMLINK $@ <<
25 cmd_symlink = ln -s $(CURDIR) $@ <<
26 <<
27 $(MODLIB)/modules.order: modules.order FORCE <<
28 $(call cmd,install_modorder) <<
29 <<
30 quiet_cmd_install_modorder = INSTALL $@ <<
31 cmd_install_modorder = sed 's:^\(.*\)\.o <<
32 <<
33 # Install modules.builtin(.modinfo,.ranges) ev <<
34 install-y += $(addprefix $(MODLIB)/, modules.b <<
35 <<
36 install-$(CONFIG_BUILTIN_MODULE_RANGES) += $(M <<
37 <<
38 $(addprefix $(MODLIB)/, modules.builtin module <<
39 $(call cmd,install) <<
40 <<
41 endif <<
42 <<
43 modules := $(call read-file, $(MODORDER)) <<
44 <<
45 ifeq ($(KBUILD_EXTMOD),) <<
46 dst := $(MODLIB)/kernel <<
47 else <<
48 INSTALL_MOD_DIR ?= updates <<
49 dst := $(MODLIB)/$(INSTALL_MOD_DIR) <<
50 endif <<
51 <<
52 $(foreach x, % :, $(if $(findstring $x, $(dst) <<
53 $(error module installation path canno <<
54 <<
55 suffix-y := <<
56 ifdef CONFIG_MODULE_COMPRESS_ALL <<
57 suffix-$(CONFIG_MODULE_COMPRESS_GZIP) := .gz <<
58 suffix-$(CONFIG_MODULE_COMPRESS_XZ) := .xz <<
59 suffix-$(CONFIG_MODULE_COMPRESS_ZSTD) := .zs <<
60 endif <<
61 <<
62 modules := $(patsubst $(extmod_prefix)%.o, $(d <<
63 install-$(CONFIG_MODULES) += $(modules) <<
64 <<
65 __modinst: $(install-y) <<
66 @: <<
67 <<
68 # <<
69 # Installation <<
70 # 11 #
71 quiet_cmd_install = INSTALL $@ <<
72 cmd_install = cp $< $@ <<
73 <<
74 # Strip <<
75 # <<
76 # INSTALL_MOD_STRIP, if defined, will cause mo <<
77 # are installed. If INSTALL_MOD_STRIP is '1', <<
78 # --strip-debug will be used. Otherwise, INSTA <<
79 # as the options to the strip command. <<
80 ifdef INSTALL_MOD_STRIP <<
81 <<
82 ifeq ($(INSTALL_MOD_STRIP),1) <<
83 strip-option := --strip-debug <<
84 else <<
85 strip-option := $(INSTALL_MOD_STRIP) <<
86 endif <<
87 <<
88 quiet_cmd_strip = STRIP $@ <<
89 cmd_strip = $(STRIP) $(strip-option) $@ <<
90 <<
91 else <<
92 <<
93 quiet_cmd_strip = <<
94 cmd_strip = : <<
95 12
96 endif !! 13 __modules := $(sort $(shell grep -h '\.ko$$' /dev/null $(wildcard $(MODVERDIR)/*.mod)))
>> 14 modules := $(patsubst %.o,%.ko,$(wildcard $(__modules:.ko=.o)))
97 15
98 # !! 16 PHONY += $(modules)
99 # Signing !! 17 __modinst: $(modules)
100 # Don't stop modules_install even if we can't !! 18 @:
101 # <<
102 ifeq ($(filter pkcs11:%, $(CONFIG_MODULE_SIG_K <<
103 sig-key := $(if $(wildcard $(CONFIG_MODULE_SIG <<
104 else <<
105 sig-key := $(CONFIG_MODULE_SIG_KEY) <<
106 endif <<
107 quiet_cmd_sign = SIGN $@ <<
108 cmd_sign = scripts/sign-file $(CONFIG_MO <<
109 $(if $(KBUILD_EXTMOD),|| true <<
110 <<
111 ifeq ($(sign-only),) <<
112 <<
113 # During modules_install, modules are signed o <<
114 ifndef CONFIG_MODULE_SIG_ALL <<
115 quiet_cmd_sign := <<
116 cmd_sign := : <<
117 endif <<
118 <<
119 # Create necessary directories <<
120 $(foreach dir, $(sort $(dir $(install-y))), $( <<
121 <<
122 $(dst)/%.ko: $(extmod_prefix)%.ko FORCE <<
123 $(call cmd,install) <<
124 $(call cmd,strip) <<
125 $(call cmd,sign) <<
126 <<
127 ifdef CONFIG_MODULES <<
128 __modinst: depmod <<
129 <<
130 PHONY += depmod <<
131 depmod: $(install-y) <<
132 $(call cmd,depmod) <<
133 <<
134 quiet_cmd_depmod = DEPMOD $(MODLIB) <<
135 cmd_depmod = $(srctree)/scripts/depmod.s <<
136 endif <<
137 <<
138 else <<
139 <<
140 $(dst)/%.ko: FORCE <<
141 $(call cmd,sign) <<
142 19
143 endif !! 20 # Don't stop modules_install if we can't sign external modules.
>> 21 quiet_cmd_modules_install = INSTALL $@
>> 22 cmd_modules_install = \
>> 23 mkdir -p $(2) ; \
>> 24 cp $@ $(2) ; \
>> 25 $(mod_strip_cmd) $(2)/$(notdir $@) ; \
>> 26 $(mod_sign_cmd) $(2)/$(notdir $@) $(patsubst %,|| true,$(KBUILD_EXTMOD)) && \
>> 27 $(mod_compress_cmd) $(2)/$(notdir $@)
>> 28
>> 29 # Modules built outside the kernel source tree go into extra by default
>> 30 INSTALL_MOD_DIR ?= extra
>> 31 ext-mod-dir = $(INSTALL_MOD_DIR)$(subst $(patsubst %/,%,$(KBUILD_EXTMOD)),,$(@D))
144 32
145 # !! 33 modinst_dir = $(if $(KBUILD_EXTMOD),$(ext-mod-dir),kernel/$(@D))
146 # Compression <<
147 # <<
148 quiet_cmd_gzip = GZIP $@ <<
149 cmd_gzip = $(KGZIP) -n -f $< <<
150 quiet_cmd_xz = XZ $@ <<
151 cmd_xz = $(XZ) --check=crc32 --lzma2=dic <<
152 quiet_cmd_zstd = ZSTD $@ <<
153 cmd_zstd = $(ZSTD) --rm -f -q $< <<
154 <<
155 $(dst)/%.ko.gz: $(dst)/%.ko FORCE <<
156 $(call cmd,gzip) <<
157 34
158 $(dst)/%.ko.xz: $(dst)/%.ko FORCE !! 35 $(modules):
159 $(call cmd,xz) !! 36 $(call cmd,modules_install,$(MODLIB)/$(modinst_dir))
160 37
161 $(dst)/%.ko.zst: $(dst)/%.ko FORCE <<
162 $(call cmd,zstd) <<
163 38
164 PHONY += FORCE !! 39 # Declare the contents of the .PHONY variable as phony. We keep that
165 FORCE: !! 40 # information in a variable so we can use it in if_changed and friends.
166 41
167 .PHONY: $(PHONY) 42 .PHONY: $(PHONY)
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