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) 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) $@
86
87 else
88
89 quiet_cmd_strip =
90 cmd_strip = :
91
92 endif
93
94 #
95 # Signing
96 # Don't stop modules_install even if we can't
97 #
98 ifeq ($(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
136 $(dst)/%.ko: FORCE
137 $(call cmd,sign)
138
139 endif
140
141 #
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
154 $(dst)/%.ko.xz: $(dst)/%.ko FORCE
155 $(call cmd,xz)
156
157 $(dst)/%.ko.zst: $(dst)/%.ko FORCE
158 $(call cmd,zstd)
159
160 PHONY += FORCE
161 FORCE:
162
163 .PHONY: $(PHONY)
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