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