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 $(srctree)/scripts/Kbuild.include
11 11
12 install-y := <<
13 <<
14 ifeq ($(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)) 12 modules := $(call read-file, $(MODORDER))
42 13
43 ifeq ($(KBUILD_EXTMOD),) 14 ifeq ($(KBUILD_EXTMOD),)
44 dst := $(MODLIB)/kernel 15 dst := $(MODLIB)/kernel
45 else 16 else
46 INSTALL_MOD_DIR ?= updates 17 INSTALL_MOD_DIR ?= updates
47 dst := $(MODLIB)/$(INSTALL_MOD_DIR) 18 dst := $(MODLIB)/$(INSTALL_MOD_DIR)
48 endif 19 endif
49 20
50 $(foreach x, % :, $(if $(findstring $x, $(dst) 21 $(foreach x, % :, $(if $(findstring $x, $(dst)), \
51 $(error module installation path canno 22 $(error module installation path cannot contain '$x')))
52 23
53 suffix-y := 24 suffix-y :=
54 suffix-$(CONFIG_MODULE_COMPRESS_GZIP) := .gz 25 suffix-$(CONFIG_MODULE_COMPRESS_GZIP) := .gz
55 suffix-$(CONFIG_MODULE_COMPRESS_XZ) := .xz 26 suffix-$(CONFIG_MODULE_COMPRESS_XZ) := .xz
56 suffix-$(CONFIG_MODULE_COMPRESS_ZSTD) := .zs 27 suffix-$(CONFIG_MODULE_COMPRESS_ZSTD) := .zst
57 28
58 modules := $(patsubst $(extmod_prefix)%.o, $(d 29 modules := $(patsubst $(extmod_prefix)%.o, $(dst)/%.ko$(suffix-y), $(modules))
59 install-$(CONFIG_MODULES) += $(modules) <<
60 30
61 __modinst: $(install-y) !! 31 __modinst: $(modules)
62 @: 32 @:
63 33
64 # 34 #
65 # Installation 35 # Installation
66 # 36 #
67 quiet_cmd_install = INSTALL $@ 37 quiet_cmd_install = INSTALL $@
68 cmd_install = cp $< $@ !! 38 cmd_install = mkdir -p $(dir $@); cp $< $@
69 39
70 # Strip 40 # Strip
71 # 41 #
72 # INSTALL_MOD_STRIP, if defined, will cause mo 42 # INSTALL_MOD_STRIP, if defined, will cause modules to be stripped after they
73 # are installed. If INSTALL_MOD_STRIP is '1', 43 # are installed. If INSTALL_MOD_STRIP is '1', then the default option
74 # --strip-debug will be used. Otherwise, INSTA 44 # --strip-debug will be used. Otherwise, INSTALL_MOD_STRIP value will be used
75 # as the options to the strip command. 45 # as the options to the strip command.
76 ifdef INSTALL_MOD_STRIP 46 ifdef INSTALL_MOD_STRIP
77 47
78 ifeq ($(INSTALL_MOD_STRIP),1) 48 ifeq ($(INSTALL_MOD_STRIP),1)
79 strip-option := --strip-debug 49 strip-option := --strip-debug
80 else 50 else
81 strip-option := $(INSTALL_MOD_STRIP) 51 strip-option := $(INSTALL_MOD_STRIP)
82 endif 52 endif
83 53
84 quiet_cmd_strip = STRIP $@ 54 quiet_cmd_strip = STRIP $@
85 cmd_strip = $(STRIP) $(strip-option) $@ 55 cmd_strip = $(STRIP) $(strip-option) $@
86 56
87 else 57 else
88 58
89 quiet_cmd_strip = 59 quiet_cmd_strip =
90 cmd_strip = : 60 cmd_strip = :
91 61
92 endif 62 endif
93 63
94 # 64 #
95 # Signing 65 # Signing
96 # Don't stop modules_install even if we can't 66 # Don't stop modules_install even if we can't sign external modules.
97 # 67 #
>> 68 ifeq ($(CONFIG_MODULE_SIG_ALL),y)
98 ifeq ($(filter pkcs11:%, $(CONFIG_MODULE_SIG_K 69 ifeq ($(filter pkcs11:%, $(CONFIG_MODULE_SIG_KEY)),)
99 sig-key := $(if $(wildcard $(CONFIG_MODULE_SIG 70 sig-key := $(if $(wildcard $(CONFIG_MODULE_SIG_KEY)),,$(srctree)/)$(CONFIG_MODULE_SIG_KEY)
100 else 71 else
101 sig-key := $(CONFIG_MODULE_SIG_KEY) 72 sig-key := $(CONFIG_MODULE_SIG_KEY)
102 endif 73 endif
103 quiet_cmd_sign = SIGN $@ 74 quiet_cmd_sign = SIGN $@
104 cmd_sign = scripts/sign-file $(CONFIG_MO 75 cmd_sign = scripts/sign-file $(CONFIG_MODULE_SIG_HASH) "$(sig-key)" certs/signing_key.x509 $@ \
105 $(if $(KBUILD_EXTMOD),|| true 76 $(if $(KBUILD_EXTMOD),|| true)
106 !! 77 else
107 ifeq ($(sign-only),) <<
108 <<
109 # During modules_install, modules are signed o <<
110 ifndef CONFIG_MODULE_SIG_ALL <<
111 quiet_cmd_sign := 78 quiet_cmd_sign :=
112 cmd_sign := : 79 cmd_sign := :
113 endif 80 endif
114 81
115 # Create necessary directories !! 82 ifeq ($(modules_sign_only),)
116 $(foreach dir, $(sort $(dir $(install-y))), $( <<
117 83
118 $(dst)/%.ko: $(extmod_prefix)%.ko FORCE 84 $(dst)/%.ko: $(extmod_prefix)%.ko FORCE
119 $(call cmd,install) 85 $(call cmd,install)
120 $(call cmd,strip) 86 $(call cmd,strip)
121 $(call cmd,sign) 87 $(call cmd,sign)
122 88
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 89 else
135 90
136 $(dst)/%.ko: FORCE 91 $(dst)/%.ko: FORCE
137 $(call cmd,sign) 92 $(call cmd,sign)
138 93
139 endif 94 endif
140 95
141 # 96 #
142 # Compression 97 # Compression
143 # 98 #
144 quiet_cmd_gzip = GZIP $@ 99 quiet_cmd_gzip = GZIP $@
145 cmd_gzip = $(KGZIP) -n -f $< 100 cmd_gzip = $(KGZIP) -n -f $<
146 quiet_cmd_xz = XZ $@ 101 quiet_cmd_xz = XZ $@
147 cmd_xz = $(XZ) --check=crc32 --lzma2=dic !! 102 cmd_xz = $(XZ) --lzma2=dict=2MiB -f $<
148 quiet_cmd_zstd = ZSTD $@ 103 quiet_cmd_zstd = ZSTD $@
149 cmd_zstd = $(ZSTD) -T0 --rm -f -q $< 104 cmd_zstd = $(ZSTD) -T0 --rm -f -q $<
150 105
151 $(dst)/%.ko.gz: $(dst)/%.ko FORCE 106 $(dst)/%.ko.gz: $(dst)/%.ko FORCE
152 $(call cmd,gzip) 107 $(call cmd,gzip)
153 108
154 $(dst)/%.ko.xz: $(dst)/%.ko FORCE 109 $(dst)/%.ko.xz: $(dst)/%.ko FORCE
155 $(call cmd,xz) 110 $(call cmd,xz)
156 111
157 $(dst)/%.ko.zst: $(dst)/%.ko FORCE 112 $(dst)/%.ko.zst: $(dst)/%.ko FORCE
158 $(call cmd,zstd) 113 $(call cmd,zstd)
159 114
160 PHONY += FORCE 115 PHONY += FORCE
161 FORCE: 116 FORCE:
162 117
163 .PHONY: $(PHONY) 118 .PHONY: $(PHONY)
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