1 # SPDX-License-Identifier: GPL-2.0
2 # ============================================
3 # Installing modules
4 # ============================================
5
6 PHONY := __modinst
7 __modinst:
8
9 include include/config/auto.conf
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,.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 #
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) $@
90
91 else
92
93 quiet_cmd_strip =
94 cmd_strip = :
95
96 endif
97
98 #
99 # Signing
100 # Don't stop modules_install even if we can't
101 #
102 ifeq ($(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
143 endif
144
145 #
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
158 $(dst)/%.ko.xz: $(dst)/%.ko FORCE
159 $(call cmd,xz)
160
161 $(dst)/%.ko.zst: $(dst)/%.ko FORCE
162 $(call cmd,zstd)
163
164 PHONY += FORCE
165 FORCE:
166
167 .PHONY: $(PHONY)
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