1 files changed, 66 insertions, 0 deletions

diff --git a/scripts/Makefile.fwinst b/scripts/Makefile.fwinst
new file mode 100644
index 000000000000..c972c0f54ce0
--- /dev/null
+++ b/scripts/Makefile.fwinst
@@ -0,0 +1,66 @@
+# ==========================================================================
+# Installing firmware
+#
+# We don't include the .config, so all firmware files are in $(fw-shipped-)
+# rather than in $(fw-shipped-y) or $(fw-shipped-n).
+# ==========================================================================
+
+INSTALL := install
+src := $(obj)
+
+# For modules_install installing firmware, we want to see .config
+# But for firmware_install, we don't care, but don't want to require it.
+-include $(objtree)/.config
+
+include scripts/Kbuild.include
+include $(srctree)/$(obj)/Makefile
+
+include scripts/Makefile.host
+
+mod-fw := $(addprefix $(INSTALL_FW_PATH)/,$(fw-shipped-m))
+
+# If CONFIG_FIRMWARE_IN_KERNEL isn't set, then install the 
+# firmware for in-kernel drivers too.
+ifndef CONFIG_FIRMWARE_IN_KERNEL
+mod-fw += $(addprefix $(INSTALL_FW_PATH)/,$(fw-shipped-y))
+endif
+
+installed-fw := $(addprefix $(INSTALL_FW_PATH)/,$(fw-shipped-all))
+installed-fw-dirs := $(sort $(dir $(installed-fw))) $(INSTALL_FW_PATH)/.
+
+# Workaround for make < 3.81, where .SECONDEXPANSION doesn't work.
+PHONY += $(INSTALL_FW_PATH)/$$(%) install-all-dirs
+$(INSTALL_FW_PATH)/$$(%): install-all-dirs
+        @true
+install-all-dirs: $(installed-fw-dirs)
+        @true
+
+quiet_cmd_install = INSTALL $(subst $(srctree)/,,$@)
+      cmd_install = $(INSTALL) -m0644 $< $@
+
+$(installed-fw-dirs):
+        $(call cmd,mkdir)
+
+$(installed-fw): $(INSTALL_FW_PATH)/%: $(obj)/% | $(INSTALL_FW_PATH)/$$(dir %)
+        $(call cmd,install)
+
+PHONY +=  __fw_install __fw_modinst FORCE
+
+.PHONY: $(PHONY)
+
+__fw_install: $(installed-fw)
+__fw_modinst: $(mod-fw)
+
+FORCE:
+
+# Read all saved command lines and dependencies for the $(targets) we
+# may be building using $(if_changed{,_dep}). As an optimization, we
+# don't need to read them if the target does not exist; we will rebuild
+# anyway in that case.
+
+targets := $(wildcard $(sort $(targets)))
+cmd_files := $(wildcard $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
+
+ifneq ($(cmd_files),)
+  include $(cmd_files)
+endif