LXR linux/scripts/Makefile.modinst

   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
  31quiet_cmd_none =
  32      cmd_none = :
  33
  34#
  35# Installation
  36#
  37quiet_cmd_install = INSTALL $@
  38      cmd_install = mkdir -p $(dir $@); cp $< $@
  39
  40# Strip
  41#
  42# INSTALL_MOD_STRIP, if defined, will cause modules to be stripped after they
  43# are installed. If INSTALL_MOD_STRIP is '1', then the default option
  44# --strip-debug will be used. Otherwise, INSTALL_MOD_STRIP value will be used
  45# as the options to the strip command.
  46ifdef INSTALL_MOD_STRIP
  47
  48ifeq ($(INSTALL_MOD_STRIP),1)
  49strip-option := --strip-debug
  50else
  51strip-option := $(INSTALL_MOD_STRIP)
  52endif
  53
  54quiet_cmd_strip = STRIP   $@
  55      cmd_strip = $(STRIP) $(strip-option) $@
  56
  57else
  58
  59quiet_cmd_strip =
  60      cmd_strip = :
  61
  62endif
  63
  64#
  65# Signing
  66# Don't stop modules_install even if we can't sign external modules.
  67#
  68ifeq ($(CONFIG_MODULE_SIG_ALL),y)
  69quiet_cmd_sign = SIGN    $@
  70$(eval $(call config_filename,MODULE_SIG_KEY))
  71      cmd_sign = scripts/sign-file $(CONFIG_MODULE_SIG_HASH) $(MODULE_SIG_KEY_SRCPREFIX)$(CONFIG_MODULE_SIG_KEY) certs/signing_key.x509 $@ \
  72                 $(if $(KBUILD_EXTMOD),|| true)
  73else
  74quiet_cmd_sign :=
  75      cmd_sign := :
  76endif
  77
  78ifeq ($(modules_sign_only),)
  79
  80$(dst)/%.ko: $(extmod_prefix)%.ko FORCE
  81        $(call cmd,install)
  82        $(call cmd,strip)
  83        $(call cmd,sign)
  84
  85else
  86
  87$(dst)/%.ko: FORCE
  88        $(call cmd,sign)
  89
  90endif
  91
  92#
  93# Compression
  94#
  95quiet_cmd_gzip = GZIP    $@
  96      cmd_gzip = $(KGZIP) -n -f $<
  97quiet_cmd_xz = XZ      $@
  98      cmd_xz = $(XZ) --lzma2=dict=2MiB -f $<
  99quiet_cmd_zstd = ZSTD    $@
 100      cmd_zstd = $(ZSTD) -T0 --rm -f -q $<
 101
 102$(dst)/%.ko.gz: $(dst)/%.ko FORCE
 103        $(call cmd,gzip)
 104
 105$(dst)/%.ko.xz: $(dst)/%.ko FORCE
 106        $(call cmd,xz)
 107
 108$(dst)/%.ko.zst: $(dst)/%.ko FORCE
 109        $(call cmd,zstd)
 110
 111PHONY += FORCE
 112FORCE:
 113
 114.PHONY: $(PHONY)
 115