mirror of
https://github.com/edk2-porting/linux-next.git
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c3d7ef377e
kmod 28 supports modules compressed in zstd format so let's add this possibility to kernel. Signed-off-by: Piotr Gorski <lucjan.lucjanov@gmail.com> Reviewed-by: Oleksandr Natalenko <oleksandr@natalenko.name> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
115 lines
2.4 KiB
Makefile
115 lines
2.4 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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# ==========================================================================
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# Installing modules
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# ==========================================================================
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PHONY := __modinst
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__modinst:
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include include/config/auto.conf
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include $(srctree)/scripts/Kbuild.include
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modules := $(sort $(shell cat $(MODORDER)))
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ifeq ($(KBUILD_EXTMOD),)
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dst := $(MODLIB)/kernel
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else
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INSTALL_MOD_DIR ?= extra
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dst := $(MODLIB)/$(INSTALL_MOD_DIR)
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endif
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suffix-y :=
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suffix-$(CONFIG_MODULE_COMPRESS_GZIP) := .gz
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suffix-$(CONFIG_MODULE_COMPRESS_XZ) := .xz
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suffix-$(CONFIG_MODULE_COMPRESS_ZSTD) := .zst
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modules := $(patsubst $(extmod_prefix)%, $(dst)/%$(suffix-y), $(modules))
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__modinst: $(modules)
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@:
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quiet_cmd_none =
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cmd_none = :
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#
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# Installation
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#
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quiet_cmd_install = INSTALL $@
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cmd_install = mkdir -p $(dir $@); cp $< $@
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# Strip
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#
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# INSTALL_MOD_STRIP, if defined, will cause modules to be stripped after they
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# are installed. If INSTALL_MOD_STRIP is '1', then the default option
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# --strip-debug will be used. Otherwise, INSTALL_MOD_STRIP value will be used
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# as the options to the strip command.
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ifdef INSTALL_MOD_STRIP
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ifeq ($(INSTALL_MOD_STRIP),1)
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strip-option := --strip-debug
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else
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strip-option := $(INSTALL_MOD_STRIP)
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endif
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quiet_cmd_strip = STRIP $@
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cmd_strip = $(STRIP) $(strip-option) $@
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else
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quiet_cmd_strip =
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cmd_strip = :
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endif
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#
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# Signing
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# Don't stop modules_install even if we can't sign external modules.
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#
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ifeq ($(CONFIG_MODULE_SIG_ALL),y)
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quiet_cmd_sign = SIGN $@
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$(eval $(call config_filename,MODULE_SIG_KEY))
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cmd_sign = scripts/sign-file $(CONFIG_MODULE_SIG_HASH) $(MODULE_SIG_KEY_SRCPREFIX)$(CONFIG_MODULE_SIG_KEY) certs/signing_key.x509 $@ \
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$(if $(KBUILD_EXTMOD),|| true)
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else
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quiet_cmd_sign :=
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cmd_sign := :
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endif
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ifeq ($(modules_sign_only),)
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$(dst)/%.ko: $(extmod_prefix)%.ko FORCE
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$(call cmd,install)
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$(call cmd,strip)
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$(call cmd,sign)
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else
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$(dst)/%.ko: FORCE
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$(call cmd,sign)
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endif
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#
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# Compression
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#
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quiet_cmd_gzip = GZIP $@
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cmd_gzip = $(KGZIP) -n -f $<
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quiet_cmd_xz = XZ $@
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cmd_xz = $(XZ) --lzma2=dict=2MiB -f $<
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quiet_cmd_zstd = ZSTD $@
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cmd_zstd = $(ZSTD) -T0 --rm -f -q $<
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$(dst)/%.ko.gz: $(dst)/%.ko FORCE
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$(call cmd,gzip)
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$(dst)/%.ko.xz: $(dst)/%.ko FORCE
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$(call cmd,xz)
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$(dst)/%.ko.zst: $(dst)/%.ko FORCE
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$(call cmd,zstd)
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PHONY += FORCE
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FORCE:
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.PHONY: $(PHONY)
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