Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1# SPDX-License-Identifier: GPL-2.0
2# ==========================================================================
3# Installing modules
4# ==========================================================================
5
6PHONY := __modinst
7__modinst:
8
9include include/config/auto.conf
10include $(srctree)/scripts/Kbuild.include
11
12modules := $(sort $(shell cat $(MODORDER)))
13
14ifeq ($(KBUILD_EXTMOD),)
15dst := $(MODLIB)/kernel
16else
17INSTALL_MOD_DIR ?= extra
18dst := $(MODLIB)/$(INSTALL_MOD_DIR)
19endif
20
21suffix-y :=
22suffix-$(CONFIG_MODULE_COMPRESS_GZIP) := .gz
23suffix-$(CONFIG_MODULE_COMPRESS_XZ) := .xz
24suffix-$(CONFIG_MODULE_COMPRESS_ZSTD) := .zst
25
26modules := $(patsubst $(extmod_prefix)%, $(dst)/%$(suffix-y), $(modules))
27
28__modinst: $(modules)
29 @:
30
31#
32# Installation
33#
34quiet_cmd_install = INSTALL $@
35 cmd_install = mkdir -p $(dir $@); cp $< $@
36
37# Strip
38#
39# INSTALL_MOD_STRIP, if defined, will cause modules to be stripped after they
40# are installed. If INSTALL_MOD_STRIP is '1', then the default option
41# --strip-debug will be used. Otherwise, INSTALL_MOD_STRIP value will be used
42# as the options to the strip command.
43ifdef INSTALL_MOD_STRIP
44
45ifeq ($(INSTALL_MOD_STRIP),1)
46strip-option := --strip-debug
47else
48strip-option := $(INSTALL_MOD_STRIP)
49endif
50
51quiet_cmd_strip = STRIP $@
52 cmd_strip = $(STRIP) $(strip-option) $@
53
54else
55
56quiet_cmd_strip =
57 cmd_strip = :
58
59endif
60
61#
62# Signing
63# Don't stop modules_install even if we can't sign external modules.
64#
65ifeq ($(CONFIG_MODULE_SIG_ALL),y)
66sig-key := $(if $(wildcard $(CONFIG_MODULE_SIG_KEY)),,$(srctree)/)$(CONFIG_MODULE_SIG_KEY)
67quiet_cmd_sign = SIGN $@
68 cmd_sign = scripts/sign-file $(CONFIG_MODULE_SIG_HASH) $(sig-key) certs/signing_key.x509 $@ \
69 $(if $(KBUILD_EXTMOD),|| true)
70else
71quiet_cmd_sign :=
72 cmd_sign := :
73endif
74
75ifeq ($(modules_sign_only),)
76
77$(dst)/%.ko: $(extmod_prefix)%.ko FORCE
78 $(call cmd,install)
79 $(call cmd,strip)
80 $(call cmd,sign)
81
82else
83
84$(dst)/%.ko: FORCE
85 $(call cmd,sign)
86
87endif
88
89#
90# Compression
91#
92quiet_cmd_gzip = GZIP $@
93 cmd_gzip = $(KGZIP) -n -f $<
94quiet_cmd_xz = XZ $@
95 cmd_xz = $(XZ) --lzma2=dict=2MiB -f $<
96quiet_cmd_zstd = ZSTD $@
97 cmd_zstd = $(ZSTD) -T0 --rm -f -q $<
98
99$(dst)/%.ko.gz: $(dst)/%.ko FORCE
100 $(call cmd,gzip)
101
102$(dst)/%.ko.xz: $(dst)/%.ko FORCE
103 $(call cmd,xz)
104
105$(dst)/%.ko.zst: $(dst)/%.ko FORCE
106 $(call cmd,zstd)
107
108PHONY += FORCE
109FORCE:
110
111.PHONY: $(PHONY)