name : Makefile.modinst # SPDX-License-Identifier: GPL-2.0 # ========================================================================== # Installing modules # ========================================================================== PHONY := __modinst __modinst: include include/config/auto.conf include $(srctree)/scripts/Kbuild.include install-y := ifeq ($(KBUILD_EXTMOD)$(sign-only),) # remove the old directory and symlink $(shell rm -fr $(MODLIB)/kernel $(MODLIB)/build) install-$(CONFIG_MODULES) += $(addprefix $(MODLIB)/, build modules.order) $(MODLIB)/build: FORCE $(call cmd,symlink) quiet_cmd_symlink = SYMLINK $@ cmd_symlink = ln -s $(CURDIR) $@ $(MODLIB)/modules.order: modules.order FORCE $(call cmd,install_modorder) quiet_cmd_install_modorder = INSTALL $@ cmd_install_modorder = sed 's:^\(.*\)\.o$$:kernel/\1.ko:' $< > $@ # Install modules.builtin(.modinfo) even when CONFIG_MODULES is disabled. install-y += $(addprefix $(MODLIB)/, modules.builtin modules.builtin.modinfo) $(addprefix $(MODLIB)/, modules.builtin modules.builtin.modinfo): $(MODLIB)/%: % FORCE $(call cmd,install) endif modules := $(call read-file, $(MODORDER)) ifeq ($(KBUILD_EXTMOD),) dst := $(MODLIB)/kernel else INSTALL_MOD_DIR ?= updates dst := $(MODLIB)/$(INSTALL_MOD_DIR) endif $(foreach x, % :, $(if $(findstring $x, $(dst)), \ $(error module installation path cannot contain '$x'))) suffix-y := suffix-$(CONFIG_MODULE_COMPRESS_GZIP) := .gz suffix-$(CONFIG_MODULE_COMPRESS_XZ) := .xz ## UBUNTU: Support, but do not require zstd compressed modules # Many external dkms and signing rely on uncompressed modules # suffix-$(CONFIG_MODULE_COMPRESS_ZSTD) := .zst modules := $(patsubst $(extmod_prefix)%.o, $(dst)/%.ko$(suffix-y), $(modules)) install-$(CONFIG_MODULES) += $(modules) __modinst: $(install-y) @: # # Installation # quiet_cmd_install = INSTALL $@ cmd_install = cp $< $@ # Strip # # INSTALL_MOD_STRIP, if defined, will cause modules to be stripped after they # are installed. If INSTALL_MOD_STRIP is '1', then the default option # --strip-debug will be used. Otherwise, INSTALL_MOD_STRIP value will be used # as the options to the strip command. ifdef INSTALL_MOD_STRIP ifeq ($(INSTALL_MOD_STRIP),1) strip-option := --strip-debug else strip-option := $(INSTALL_MOD_STRIP) endif quiet_cmd_strip = STRIP $@ cmd_strip = $(STRIP) $(strip-option) $@ else quiet_cmd_strip = cmd_strip = : endif # # Signing # Don't stop modules_install even if we can't sign external modules. # ifeq ($(filter pkcs11:%, $(CONFIG_MODULE_SIG_KEY)),) sig-key := $(if $(wildcard $(CONFIG_MODULE_SIG_KEY)),,$(srctree)/)$(CONFIG_MODULE_SIG_KEY) else sig-key := $(CONFIG_MODULE_SIG_KEY) endif quiet_cmd_sign = SIGN $@ cmd_sign = if test -e $(srctree)/debian/scripts/sign-module && \ $(srctree)/debian/scripts/sign-module $@ ; \ then scripts/sign-file $(CONFIG_MODULE_SIG_HASH) $(sig-key) certs/signing_key.x509 $@ \ $(if $(KBUILD_EXTMOD),|| true) ; \ fi ifeq ($(sign-only),) # During modules_install, modules are signed only when CONFIG_MODULE_SIG_ALL=y. ifndef CONFIG_MODULE_SIG_ALL quiet_cmd_sign := cmd_sign := : endif # Create necessary directories $(foreach dir, $(sort $(dir $(install-y))), $(shell mkdir -p $(dir))) $(dst)/%.ko: $(extmod_prefix)%.ko FORCE $(call cmd,install) $(call cmd,strip) $(call cmd,sign) ifdef CONFIG_MODULES __modinst: depmod PHONY += depmod depmod: $(install-y) $(call cmd,depmod) quiet_cmd_depmod = DEPMOD $(MODLIB) cmd_depmod = $(srctree)/scripts/depmod.sh $(KERNELRELEASE) endif else $(dst)/%.ko: FORCE $(call cmd,sign) endif # # Compression # quiet_cmd_gzip = GZIP $@ cmd_gzip = $(KGZIP) -n -f $< quiet_cmd_xz = XZ $@ cmd_xz = $(XZ) --check=crc32 --lzma2=dict=1MiB -f $< quiet_cmd_zstd = ZSTD $@ cmd_zstd = $(ZSTD) -T0 --rm -f -q $< $(dst)/%.ko.gz: $(dst)/%.ko FORCE $(call cmd,gzip) $(dst)/%.ko.xz: $(dst)/%.ko FORCE $(call cmd,xz) $(dst)/%.ko.zst: $(dst)/%.ko FORCE $(call cmd,zstd) PHONY += FORCE FORCE: .PHONY: $(PHONY)