| # SPDX-License-Identifier: GPL-2.0 |
| # ========================================================================== |
| # Installing modules |
| # ========================================================================== |
| |
| PHONY := __modinst |
| __modinst: |
| |
| include include/config/auto.conf |
| include $(srctree)/scripts/Kbuild.include |
| |
| modules := $(sort $(shell cat $(MODORDER))) |
| |
| ifeq ($(KBUILD_EXTMOD),) |
| dst := $(MODLIB)/kernel |
| else |
| INSTALL_MOD_DIR ?= extra |
| 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)%, $(dst)/%$(suffix-y), $(modules)) |
| ifneq ($(KBUILD_EXTMOD),) |
| extmod_suffix := $(shell echo "${KBUILD_EXTMOD}" | md5sum | cut -d " " -f 1) |
| modules += $(dst)/modules.order.$(extmod_suffix) |
| endif |
| |
| __modinst: $(modules) |
| @: |
| |
| # |
| # Installation |
| # |
| quiet_cmd_install = INSTALL $@ |
| cmd_install = mkdir -p $(dir $@); 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) $@ |
| |
| else |
| |
| quiet_cmd_strip = |
| cmd_strip = : |
| |
| endif |
| |
| # |
| # Signing |
| # Don't stop modules_install even if we can't sign external modules. |
| # |
| ifeq ($(CONFIG_MODULE_SIG_ALL),y) |
| 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 $(KBUILD_EXTMOD),|| true) |
| else |
| quiet_cmd_sign := |
| cmd_sign := : |
| endif |
| |
| ifeq ($(modules_sign_only),) |
| |
| $(dst)/%.ko: $(extmod_prefix)%.ko FORCE |
| $(call cmd,install) |
| $(call cmd,strip) |
| $(call cmd,sign) |
| |
| ifneq ($(KBUILD_EXTMOD),) |
| $(dst)/modules.order.$(extmod_suffix): $(MODORDER) FORCE |
| $(call cmd,install) |
| @sed -i "s:^$(KBUILD_EXTMOD):$(INSTALL_MOD_DIR):g" $@ |
| 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) --lzma2=dict=2MiB -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) |
