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Diffstat (limited to 'scripts/Makefile.modinst')
| -rw-r--r-- | scripts/Makefile.modinst | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/scripts/Makefile.modinst b/scripts/Makefile.modinst new file mode 100644 index 0000000000..0afd754726 --- /dev/null +++ b/scripts/Makefile.modinst @@ -0,0 +1,163 @@ +# 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 +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 = scripts/sign-file $(CONFIG_MODULE_SIG_HASH) "$(sig-key)" certs/signing_key.x509 $@ \ + $(if $(KBUILD_EXTMOD),|| true) + +ifeq ($(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) |