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kbuild: simplify dtbs_install by reading the list of compiled DTBs 

Retrieve the list of *.dtb(o) files from arch/*/boot/dts/dtbs-list
instead of traversing the directory tree again.

Please note that 'make dtbs_install' installs *.dtb(o) files directly
added to dtb-y because scripts/Makefile.dtbinst installs $(dtb-y)
without expanding the -dtbs suffix.

This commit preserves this behavior.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Masahiro Yamada 2024-01-09 21:07:35 +09:00
parent 24507871c3
commit 8f66864cee
3 changed files with 19 additions and 21 deletions
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2
Makefile
View File

@ -1411,7 +1411,7 @@ endif
dtbs_check: dtbs
dtbs_install:
$(Q)$(MAKE) $(dtbinst)=$(dtstree) dst=$(INSTALL_DTBS_PATH)
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.dtbinst obj=$(dtstree)
ifdef CONFIG_OF_EARLY_FLATTREE
all: dtbs

6
scripts/Kbuild.include
View File

@ -113,12 +113,6 @@ endef
# $(Q)$(MAKE) $(build)=dir
build := -f $(srctree)/scripts/Makefile.build obj
###
# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.dtbinst obj=
# Usage:
# $(Q)$(MAKE) $(dtbinst)=dir
dtbinst := -f $(srctree)/scripts/Makefile.dtbinst obj
###
# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=
# Usage:

32
scripts/Makefile.dtbinst
View File

@ -8,32 +8,36 @@
# $INSTALL_PATH/dtbs/$KERNELRELEASE
# ==========================================================================
src := $(obj)
PHONY := __dtbs_install
__dtbs_install:
include include/config/auto.conf
include $(srctree)/scripts/Kbuild.include
include $(kbuild-file)
dtbs := $(addprefix $(dst)/, $(dtb-y) $(if $(CONFIG_OF_ALL_DTBS),$(dtb-)))
subdirs := $(addprefix $(obj)/, $(subdir-y) $(subdir-m))
__dtbs_install: $(dtbs) $(subdirs)
@:
dst := $(INSTALL_DTBS_PATH)
quiet_cmd_dtb_install = INSTALL $@
cmd_dtb_install = install -D $< $@
$(dst)/%.dtb: $(obj)/%.dtb
$(dst)/%: $(obj)/%
$(call cmd,dtb_install)
$(dst)/%.dtbo: $(obj)/%.dtbo
$(call cmd,dtb_install)
dtbs := $(patsubst $(obj)/%,%,$(call read-file, $(obj)/dtbs-list))
PHONY += $(subdirs)
$(subdirs):
$(Q)$(MAKE) $(dtbinst)=$@ dst=$(if $(CONFIG_ARCH_WANT_FLAT_DTB_INSTALL),$(dst),$(patsubst $(obj)/%,$(dst)/%,$@))
ifdef CONFIG_ARCH_WANT_FLAT_DTB_INSTALL
define gen_install_rules
$(dst)/%: $(obj)/$(1)%
$$(call cmd,dtb_install)
endef
$(foreach d, $(sort $(dir $(dtbs))), $(eval $(call gen_install_rules,$(d))))
dtbs := $(notdir $(dtbs))
endif # CONFIG_ARCH_WANT_FLAT_DTB_INSTALL
__dtbs_install: $(addprefix $(dst)/, $(dtbs))
@:
.PHONY: $(PHONY)