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 include/config/auto.conf
10 include $(srctree)/scripts/Kbuild.include 10 include $(srctree)/scripts/Kbuild.include
11 11
12 install-y := 12 install-y :=
13 13
14 ifeq ($(KBUILD_EXTMOD)$(sign-only),) 14 ifeq ($(KBUILD_EXTMOD)$(sign-only),)
15 15
16 # remove the old directory and symlink 16 # remove the old directory and symlink
17 $(shell rm -fr $(MODLIB)/kernel $(MODLIB)/buil 17 $(shell rm -fr $(MODLIB)/kernel $(MODLIB)/build)
18 18
19 install-$(CONFIG_MODULES) += $(addprefix $(MOD 19 install-$(CONFIG_MODULES) += $(addprefix $(MODLIB)/, build modules.order)
20 20
21 $(MODLIB)/build: FORCE 21 $(MODLIB)/build: FORCE
22 $(call cmd,symlink) 22 $(call cmd,symlink)
23 23
24 quiet_cmd_symlink = SYMLINK $@ 24 quiet_cmd_symlink = SYMLINK $@
25 cmd_symlink = ln -s $(CURDIR) $@ 25 cmd_symlink = ln -s $(CURDIR) $@
26 26
27 $(MODLIB)/modules.order: modules.order FORCE 27 $(MODLIB)/modules.order: modules.order FORCE
28 $(call cmd,install_modorder) 28 $(call cmd,install_modorder)
29 29
30 quiet_cmd_install_modorder = INSTALL $@ 30 quiet_cmd_install_modorder = INSTALL $@
31 cmd_install_modorder = sed 's:^\(.*\)\.o 31 cmd_install_modorder = sed 's:^\(.*\)\.o$$:kernel/\1.ko:' $< > $@
32 32
33 # Install modules.builtin(.modinfo,.ranges) ev !! 33 # Install modules.builtin(.modinfo) even when CONFIG_MODULES is disabled.
34 install-y += $(addprefix $(MODLIB)/, modules.b 34 install-y += $(addprefix $(MODLIB)/, modules.builtin modules.builtin.modinfo)
35 35
36 install-$(CONFIG_BUILTIN_MODULE_RANGES) += $(M !! 36 $(addprefix $(MODLIB)/, modules.builtin modules.builtin.modinfo): $(MODLIB)/%: % FORCE
37 <<
38 $(addprefix $(MODLIB)/, modules.builtin module <<
39 $(call cmd,install) 37 $(call cmd,install)
40 38
41 endif 39 endif
42 40
43 modules := $(call read-file, $(MODORDER)) 41 modules := $(call read-file, $(MODORDER))
44 42
45 ifeq ($(KBUILD_EXTMOD),) 43 ifeq ($(KBUILD_EXTMOD),)
46 dst := $(MODLIB)/kernel 44 dst := $(MODLIB)/kernel
47 else 45 else
48 INSTALL_MOD_DIR ?= updates 46 INSTALL_MOD_DIR ?= updates
49 dst := $(MODLIB)/$(INSTALL_MOD_DIR) 47 dst := $(MODLIB)/$(INSTALL_MOD_DIR)
50 endif 48 endif
51 49
52 $(foreach x, % :, $(if $(findstring $x, $(dst) 50 $(foreach x, % :, $(if $(findstring $x, $(dst)), \
53 $(error module installation path canno 51 $(error module installation path cannot contain '$x')))
54 52
55 suffix-y := 53 suffix-y :=
56 ifdef CONFIG_MODULE_COMPRESS_ALL <<
57 suffix-$(CONFIG_MODULE_COMPRESS_GZIP) := .gz 54 suffix-$(CONFIG_MODULE_COMPRESS_GZIP) := .gz
58 suffix-$(CONFIG_MODULE_COMPRESS_XZ) := .xz 55 suffix-$(CONFIG_MODULE_COMPRESS_XZ) := .xz
59 suffix-$(CONFIG_MODULE_COMPRESS_ZSTD) := .zs 56 suffix-$(CONFIG_MODULE_COMPRESS_ZSTD) := .zst
60 endif <<
61 57
62 modules := $(patsubst $(extmod_prefix)%.o, $(d 58 modules := $(patsubst $(extmod_prefix)%.o, $(dst)/%.ko$(suffix-y), $(modules))
63 install-$(CONFIG_MODULES) += $(modules) 59 install-$(CONFIG_MODULES) += $(modules)
64 60
65 __modinst: $(install-y) 61 __modinst: $(install-y)
66 @: 62 @:
67 63
68 # 64 #
69 # Installation 65 # Installation
70 # 66 #
71 quiet_cmd_install = INSTALL $@ 67 quiet_cmd_install = INSTALL $@
72 cmd_install = cp $< $@ 68 cmd_install = cp $< $@
73 69
74 # Strip 70 # Strip
75 # 71 #
76 # INSTALL_MOD_STRIP, if defined, will cause mo 72 # INSTALL_MOD_STRIP, if defined, will cause modules to be stripped after they
77 # are installed. If INSTALL_MOD_STRIP is '1', 73 # are installed. If INSTALL_MOD_STRIP is '1', then the default option
78 # --strip-debug will be used. Otherwise, INSTA 74 # --strip-debug will be used. Otherwise, INSTALL_MOD_STRIP value will be used
79 # as the options to the strip command. 75 # as the options to the strip command.
80 ifdef INSTALL_MOD_STRIP 76 ifdef INSTALL_MOD_STRIP
81 77
82 ifeq ($(INSTALL_MOD_STRIP),1) 78 ifeq ($(INSTALL_MOD_STRIP),1)
83 strip-option := --strip-debug 79 strip-option := --strip-debug
84 else 80 else
85 strip-option := $(INSTALL_MOD_STRIP) 81 strip-option := $(INSTALL_MOD_STRIP)
86 endif 82 endif
87 83
88 quiet_cmd_strip = STRIP $@ 84 quiet_cmd_strip = STRIP $@
89 cmd_strip = $(STRIP) $(strip-option) $@ 85 cmd_strip = $(STRIP) $(strip-option) $@
90 86
91 else 87 else
92 88
93 quiet_cmd_strip = 89 quiet_cmd_strip =
94 cmd_strip = : 90 cmd_strip = :
95 91
96 endif 92 endif
97 93
98 # 94 #
99 # Signing 95 # Signing
100 # Don't stop modules_install even if we can't 96 # Don't stop modules_install even if we can't sign external modules.
101 # 97 #
102 ifeq ($(filter pkcs11:%, $(CONFIG_MODULE_SIG_K 98 ifeq ($(filter pkcs11:%, $(CONFIG_MODULE_SIG_KEY)),)
103 sig-key := $(if $(wildcard $(CONFIG_MODULE_SIG 99 sig-key := $(if $(wildcard $(CONFIG_MODULE_SIG_KEY)),,$(srctree)/)$(CONFIG_MODULE_SIG_KEY)
104 else 100 else
105 sig-key := $(CONFIG_MODULE_SIG_KEY) 101 sig-key := $(CONFIG_MODULE_SIG_KEY)
106 endif 102 endif
107 quiet_cmd_sign = SIGN $@ 103 quiet_cmd_sign = SIGN $@
108 cmd_sign = scripts/sign-file $(CONFIG_MO 104 cmd_sign = scripts/sign-file $(CONFIG_MODULE_SIG_HASH) "$(sig-key)" certs/signing_key.x509 $@ \
109 $(if $(KBUILD_EXTMOD),|| true 105 $(if $(KBUILD_EXTMOD),|| true)
110 106
111 ifeq ($(sign-only),) 107 ifeq ($(sign-only),)
112 108
113 # During modules_install, modules are signed o 109 # During modules_install, modules are signed only when CONFIG_MODULE_SIG_ALL=y.
114 ifndef CONFIG_MODULE_SIG_ALL 110 ifndef CONFIG_MODULE_SIG_ALL
115 quiet_cmd_sign := 111 quiet_cmd_sign :=
116 cmd_sign := : 112 cmd_sign := :
117 endif 113 endif
118 114
119 # Create necessary directories 115 # Create necessary directories
120 $(foreach dir, $(sort $(dir $(install-y))), $( 116 $(foreach dir, $(sort $(dir $(install-y))), $(shell mkdir -p $(dir)))
121 117
122 $(dst)/%.ko: $(extmod_prefix)%.ko FORCE 118 $(dst)/%.ko: $(extmod_prefix)%.ko FORCE
123 $(call cmd,install) 119 $(call cmd,install)
124 $(call cmd,strip) 120 $(call cmd,strip)
125 $(call cmd,sign) 121 $(call cmd,sign)
126 122
127 ifdef CONFIG_MODULES 123 ifdef CONFIG_MODULES
128 __modinst: depmod 124 __modinst: depmod
129 125
130 PHONY += depmod 126 PHONY += depmod
131 depmod: $(install-y) 127 depmod: $(install-y)
132 $(call cmd,depmod) 128 $(call cmd,depmod)
133 129
134 quiet_cmd_depmod = DEPMOD $(MODLIB) 130 quiet_cmd_depmod = DEPMOD $(MODLIB)
135 cmd_depmod = $(srctree)/scripts/depmod.s 131 cmd_depmod = $(srctree)/scripts/depmod.sh $(KERNELRELEASE)
136 endif 132 endif
137 133
138 else 134 else
139 135
140 $(dst)/%.ko: FORCE 136 $(dst)/%.ko: FORCE
141 $(call cmd,sign) 137 $(call cmd,sign)
142 138
143 endif 139 endif
144 140
145 # 141 #
146 # Compression 142 # Compression
147 # 143 #
148 quiet_cmd_gzip = GZIP $@ 144 quiet_cmd_gzip = GZIP $@
149 cmd_gzip = $(KGZIP) -n -f $< 145 cmd_gzip = $(KGZIP) -n -f $<
150 quiet_cmd_xz = XZ $@ 146 quiet_cmd_xz = XZ $@
151 cmd_xz = $(XZ) --check=crc32 --lzma2=dic 147 cmd_xz = $(XZ) --check=crc32 --lzma2=dict=1MiB -f $<
152 quiet_cmd_zstd = ZSTD $@ 148 quiet_cmd_zstd = ZSTD $@
153 cmd_zstd = $(ZSTD) --rm -f -q $< !! 149 cmd_zstd = $(ZSTD) -T0 --rm -f -q $<
154 150
155 $(dst)/%.ko.gz: $(dst)/%.ko FORCE 151 $(dst)/%.ko.gz: $(dst)/%.ko FORCE
156 $(call cmd,gzip) 152 $(call cmd,gzip)
157 153
158 $(dst)/%.ko.xz: $(dst)/%.ko FORCE 154 $(dst)/%.ko.xz: $(dst)/%.ko FORCE
159 $(call cmd,xz) 155 $(call cmd,xz)
160 156
161 $(dst)/%.ko.zst: $(dst)/%.ko FORCE 157 $(dst)/%.ko.zst: $(dst)/%.ko FORCE
162 $(call cmd,zstd) 158 $(call cmd,zstd)
163 159
164 PHONY += FORCE 160 PHONY += FORCE
165 FORCE: 161 FORCE:
166 162
167 .PHONY: $(PHONY) 163 .PHONY: $(PHONY)
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