linux/scripts/Makefile.fwinst
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   1# ==========================================================================
   2# Installing firmware
   3#
   4# We don't include the .config, so all firmware files are in $(fw-shipped-)
   5# rather than in $(fw-shipped-y) or $(fw-shipped-n).
   6# ==========================================================================
   7
   8INSTALL := install
   9src := $(obj)
  10
  11# For modules_install installing firmware, we want to see .config
  12# But for firmware_install, we don't care, but don't want to require it.
  13-include $(objtree)/.config
  14
  15include scripts/Kbuild.include
  16include $(srctree)/$(obj)/Makefile
  17
  18include scripts/Makefile.host
  19
  20mod-fw := $(fw-shipped-m)
  21# If CONFIG_FIRMWARE_IN_KERNEL isn't set, then install the 
  22# firmware for in-kernel drivers too.
  23ifndef CONFIG_FIRMWARE_IN_KERNEL
  24mod-fw += $(fw-shipped-y)
  25endif
  26
  27installed-mod-fw := $(addprefix $(INSTALL_FW_PATH)/,$(mod-fw))
  28
  29installed-fw := $(addprefix $(INSTALL_FW_PATH)/,$(fw-shipped-all))
  30installed-fw-dirs := $(sort $(dir $(installed-fw))) $(INSTALL_FW_PATH)/./
  31
  32# Workaround for make < 3.81, where .SECONDEXPANSION doesn't work.
  33PHONY += $(INSTALL_FW_PATH)/$$(%) install-all-dirs
  34$(INSTALL_FW_PATH)/$$(%): install-all-dirs
  35        @true
  36install-all-dirs: $(installed-fw-dirs)
  37        @true
  38
  39quiet_cmd_install = INSTALL $(subst $(srctree)/,,$@)
  40      cmd_install = $(INSTALL) -m0644 $< $@
  41
  42$(installed-fw-dirs):
  43        $(call cmd,mkdir)
  44
  45$(installed-fw): $(INSTALL_FW_PATH)/%: $(obj)/% | $(INSTALL_FW_PATH)/$$(dir %)
  46        $(call cmd,install)
  47
  48PHONY +=  __fw_install __fw_modinst FORCE
  49
  50.PHONY: $(PHONY)
  51
  52__fw_install: $(installed-fw)
  53
  54__fw_modinst: $(installed-mod-fw)
  55        @:
  56
  57__fw_modbuild: $(addprefix $(obj)/,$(mod-fw))
  58        @:
  59
  60FORCE:
  61
  62# Read all saved command lines and dependencies for the $(targets) we
  63# may be building using $(if_changed{,_dep}). As an optimization, we
  64# don't need to read them if the target does not exist; we will rebuild
  65# anyway in that case.
  66
  67targets := $(wildcard $(sort $(targets)))
  68cmd_files := $(wildcard $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
  69
  70ifneq ($(cmd_files),)
  71  include $(cmd_files)
  72endif
  73
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