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 $(srctree)/scripts/Kbuild.include <<
11 <<
12 install-y := <<
13 <<
14 ifeq ($(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) even when <<
34 install-y += $(addprefix $(MODLIB)/, modules.b <<
35 <<
36 $(addprefix $(MODLIB)/, modules.builtin module <<
37 $(call cmd,install) <<
38 <<
39 endif <<
40 <<
41 modules := $(call read-file, $(MODORDER)) <<
42 <<
43 ifeq ($(KBUILD_EXTMOD),) <<
44 dst := $(MODLIB)/kernel <<
45 else <<
46 INSTALL_MOD_DIR ?= updates <<
47 dst := $(MODLIB)/$(INSTALL_MOD_DIR) <<
48 endif <<
49 <<
50 $(foreach x, % :, $(if $(findstring $x, $(dst) <<
51 $(error module installation path canno <<
52 <<
53 suffix-y := <<
54 suffix-$(CONFIG_MODULE_COMPRESS_GZIP) := .gz <<
55 suffix-$(CONFIG_MODULE_COMPRESS_XZ) := .xz <<
56 suffix-$(CONFIG_MODULE_COMPRESS_ZSTD) := .zs <<
57 <<
58 modules := $(patsubst $(extmod_prefix)%.o, $(d <<
59 install-$(CONFIG_MODULES) += $(modules) <<
60 <<
61 __modinst: $(install-y) <<
62 @: <<
63 <<
64 # <<
65 # Installation <<
66 # <<
67 quiet_cmd_install = INSTALL $@ <<
68 cmd_install = cp $< $@ <<
69 <<
70 # Strip <<
71 # <<
72 # INSTALL_MOD_STRIP, if defined, will cause mo <<
73 # are installed. If INSTALL_MOD_STRIP is '1', <<
74 # --strip-debug will be used. Otherwise, INSTA <<
75 # as the options to the strip command. <<
76 ifdef INSTALL_MOD_STRIP <<
77 <<
78 ifeq ($(INSTALL_MOD_STRIP),1) <<
79 strip-option := --strip-debug <<
80 else <<
81 strip-option := $(INSTALL_MOD_STRIP) <<
82 endif <<
83 <<
84 quiet_cmd_strip = STRIP $@ <<
85 cmd_strip = $(STRIP) $(strip-option) $@ <<
86 <<
87 else <<
88 <<
89 quiet_cmd_strip = <<
90 cmd_strip = : <<
91 <<
92 endif <<
93 10
94 # 11 #
95 # Signing <<
96 # Don't stop modules_install even if we can't <<
97 # <<
98 ifeq ($(filter pkcs11:%, $(CONFIG_MODULE_SIG_K <<
99 sig-key := $(if $(wildcard $(CONFIG_MODULE_SIG <<
100 else <<
101 sig-key := $(CONFIG_MODULE_SIG_KEY) <<
102 endif <<
103 quiet_cmd_sign = SIGN $@ <<
104 cmd_sign = scripts/sign-file $(CONFIG_MO <<
105 $(if $(KBUILD_EXTMOD),|| true <<
106 <<
107 ifeq ($(sign-only),) <<
108 <<
109 # During modules_install, modules are signed o <<
110 ifndef CONFIG_MODULE_SIG_ALL <<
111 quiet_cmd_sign := <<
112 cmd_sign := : <<
113 endif <<
114 <<
115 # Create necessary directories <<
116 $(foreach dir, $(sort $(dir $(install-y))), $( <<
117 <<
118 $(dst)/%.ko: $(extmod_prefix)%.ko FORCE <<
119 $(call cmd,install) <<
120 $(call cmd,strip) <<
121 $(call cmd,sign) <<
122 <<
123 ifdef CONFIG_MODULES <<
124 __modinst: depmod <<
125 <<
126 PHONY += depmod <<
127 depmod: $(install-y) <<
128 $(call cmd,depmod) <<
129 <<
130 quiet_cmd_depmod = DEPMOD $(MODLIB) <<
131 cmd_depmod = $(srctree)/scripts/depmod.s <<
132 endif <<
133 <<
134 else <<
135 12
136 $(dst)/%.ko: FORCE !! 13 __modules := $(sort $(shell grep -h '\.ko$$' /dev/null $(wildcard $(MODVERDIR)/*.mod)))
137 $(call cmd,sign) !! 14 modules := $(patsubst %.o,%.ko,$(wildcard $(__modules:.ko=.o)))
138 15
139 endif !! 16 PHONY += $(modules)
140 !! 17 __modinst: $(modules)
141 # !! 18 @:
142 # Compression <<
143 # <<
144 quiet_cmd_gzip = GZIP $@ <<
145 cmd_gzip = $(KGZIP) -n -f $< <<
146 quiet_cmd_xz = XZ $@ <<
147 cmd_xz = $(XZ) --check=crc32 --lzma2=dic <<
148 quiet_cmd_zstd = ZSTD $@ <<
149 cmd_zstd = $(ZSTD) -T0 --rm -f -q $< <<
150 <<
151 $(dst)/%.ko.gz: $(dst)/%.ko FORCE <<
152 $(call cmd,gzip) <<
153 19
154 $(dst)/%.ko.xz: $(dst)/%.ko FORCE !! 20 # Don't stop modules_install if we can't sign external modules.
155 $(call cmd,xz) !! 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))
156 32
157 $(dst)/%.ko.zst: $(dst)/%.ko FORCE !! 33 modinst_dir = $(if $(KBUILD_EXTMOD),$(ext-mod-dir),kernel/$(@D))
158 $(call cmd,zstd) <<
159 34
160 PHONY += FORCE !! 35 $(modules):
161 FORCE: !! 36 $(call cmd,modules_install,$(MODLIB)/$(modinst_dir))
162 37
163 .PHONY: $(PHONY) 38 .PHONY: $(PHONY)
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