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dfe057874b
This adds the following commits from upstream: a26ef6400bd8 Restore phandle references from __fixups__ node 05c524db44ff Restore phandle references from __local_fixups__ node db65a3a3f4f0 Restore labels from __symbols__ node 64330c682cac Improve type guessing when compiling to dts format cbb48690c697 Set DTSF_PLUGIN if needed when compiling from dtb ef3b1baf6370 Emit /plugin/ when compiling to .dts with DTSF_PLUGIN set 7c78c8542d73 Added empty node name check 14dd76b96732 fdtdump: Change FDT_PROP prob handling to ease future addition 9a1c801a1a3c Fix discarded const qualifiers 194ac9422ac9 libfdt: fdt_get_name: Add can_assume(VALID_DTB) check 39cae0bd0031 libfdt: Improve size savings in FDT_RO_PROBE slightly b12692473298 libfdt: libfdt_internal.h correct final comment in ASSUME block 7f3184a6c550 libfdt: Remove old MacOS strnlen workaround 9197f1ccd95c checks: Do not check overlays for alias paths e1284ee5dc20 livetree: Add only new data to fixup nodes instead of complete regeneration cba90ce82064 checks: Remove check for graph child addresses 763c6ab4189c livetree: Simplify append_to_property() 739403f22242 libfdt: Drop including string.h from libfdt_internal.h 1c6c51e51b29 Consider drive letters when checking for absolute paths on Windows. 617f3d9b60f7 ci: Add Cirrus CI configuration for FreeBSD testing 04f948e83fef ci: Add GitLab CI configuration for Linux builds e89680263137 ci: Tweaks to GitHub Actions setup 2ad738722b79 build: Add FreeBSD and non-GNU linker compatibility 4132ac08ba95 libfdt: Document most remaining functions 33e66ec845b8 tests: Add compatibility with uutils a0dd7b608102 fdtput: Use strtol() in preference to sscanf() 5b71660724d7 tests: Work around limitation in FreeBSD's printf(1) The graph_child_address check has been removed from upstream. Drop it from the makefiles. Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
154 lines
5.3 KiB
Makefile
154 lines
5.3 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0-only
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all-dtb := $(dtb-y) $(dtb-)
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# If CONFIG_OF_ALL_DTBS is enabled, all DT blobs are built
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dtb-$(CONFIG_OF_ALL_DTBS) += $(dtb-)
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# Composite DTB (i.e. DTB constructed by overlay)
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multi-dtb-y := $(call multi-search, $(dtb-y), .dtb, -dtbs)
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# Primitive DTB compiled from *.dts
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real-dtb-y := $(call real-search, $(dtb-y), .dtb, -dtbs)
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# Base DTB that overlay is applied onto
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base-dtb-y := $(filter %.dtb, $(call real-search, $(multi-dtb-y), .dtb, -dtbs))
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# Ensure that any .dtbo is applied to at least one base .dtb. Otherwise, it
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# does not get validated.
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applied-dtbo := $(filter %.dtbo, \
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$(call real-search, $(call multi-search, $(all-dtb), .dtb, -dtbs), .dtb, -dtbs))
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unapplied-dtbo := $(filter-out $(applied-dtbo),$(filter %.dtbo, $(dtb-y)))
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$(if $(unapplied-dtbo), $(warning .dtbo is not applied to any base: $(unapplied-dtbo)))
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dtb-y := $(addprefix $(obj)/, $(dtb-y))
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multi-dtb-y := $(addprefix $(obj)/, $(multi-dtb-y))
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real-dtb-y := $(addprefix $(obj)/, $(real-dtb-y))
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always-y += $(dtb-y)
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targets += $(real-dtb-y)
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# dtbs-list
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# ---------------------------------------------------------------------------
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ifdef need-dtbslist
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subdir-dtbslist := $(addsuffix /dtbs-list, $(subdir-ym))
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dtb-y += $(subdir-dtbslist)
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always-y += $(obj)/dtbs-list
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endif
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$(subdir-dtbslist): $(obj)/%/dtbs-list: $(obj)/% ;
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$(obj)/dtbs-list: $(dtb-y) FORCE
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$(call if_changed,gen_order)
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# Assembly file to wrap dtb(o)
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# ---------------------------------------------------------------------------
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builtin-dtb-section = $(if $(filter arch/$(SRCARCH)/boot/dts%, $(obj)),.dtb.init.rodata,.rodata)
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# Generate an assembly file to wrap the output of the device tree compiler
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quiet_cmd_wrap_S_dtb = WRAP $@
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cmd_wrap_S_dtb = { \
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symbase=__$(patsubst .%,%,$(suffix $<))_$(subst -,_,$(notdir $*)); \
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echo '\#include <asm-generic/vmlinux.lds.h>'; \
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echo '.section $(builtin-dtb-section),"a"'; \
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echo '.balign STRUCT_ALIGNMENT'; \
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echo ".global $${symbase}_begin"; \
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echo "$${symbase}_begin:"; \
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echo '.incbin "$<" '; \
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echo ".global $${symbase}_end"; \
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echo "$${symbase}_end:"; \
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echo '.balign STRUCT_ALIGNMENT'; \
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} > $@
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$(obj)/%.dtb.S: $(obj)/%.dtb FORCE
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$(call if_changed,wrap_S_dtb)
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$(obj)/%.dtbo.S: $(obj)/%.dtbo FORCE
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$(call if_changed,wrap_S_dtb)
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# Schema check
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# ---------------------------------------------------------------------------
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ifneq ($(CHECK_DTBS),)
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DT_CHECKER ?= dt-validate
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DT_CHECKER_FLAGS ?= $(if $(DT_SCHEMA_FILES),-l $(DT_SCHEMA_FILES),-m)
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DT_BINDING_DIR := Documentation/devicetree/bindings
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DT_TMP_SCHEMA := $(objtree)/$(DT_BINDING_DIR)/processed-schema.json
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dtb-check-enabled = $(if $(filter %.dtb, $@),y)
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endif
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quiet_dtb_check_tag = $(if $(dtb-check-enabled),[C], )
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cmd_dtb_check = $(if $(dtb-check-enabled),; $(DT_CHECKER) $(DT_CHECKER_FLAGS) -u $(srctree)/$(DT_BINDING_DIR) -p $(DT_TMP_SCHEMA) $@ || true)
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# Overlay
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# ---------------------------------------------------------------------------
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# NOTE:
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# Do not replace $(filter %.dtb %.dtbo, $^) with $(real-prereqs). When a single
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# DTB is turned into a multi-blob DTB, $^ will contain header file dependencies
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# recorded in the .*.cmd file.
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quiet_cmd_fdtoverlay = OVL $(quiet_dtb_check_tag) $@
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cmd_fdtoverlay = $(objtree)/scripts/dtc/fdtoverlay -o $@ -i $(filter %.dtb %.dtbo, $^) $(cmd_dtb_check)
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$(multi-dtb-y): $(DT_TMP_SCHEMA) FORCE
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$(call if_changed,fdtoverlay)
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$(call multi_depend, $(multi-dtb-y), .dtb, -dtbs)
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# DTC
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# ---------------------------------------------------------------------------
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DTC ?= $(objtree)/scripts/dtc/dtc
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DTC_FLAGS += -Wno-unique_unit_address
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# Disable noisy checks by default
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ifeq ($(findstring 1,$(KBUILD_EXTRA_WARN)),)
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DTC_FLAGS += -Wno-unit_address_vs_reg \
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-Wno-avoid_unnecessary_addr_size \
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-Wno-alias_paths \
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-Wno-interrupt_map \
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-Wno-simple_bus_reg
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else
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DTC_FLAGS += -Wunique_unit_address_if_enabled
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endif
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ifneq ($(findstring 2,$(KBUILD_EXTRA_WARN)),)
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DTC_FLAGS += -Wnode_name_chars_strict \
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-Wproperty_name_chars_strict \
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-Wunique_unit_address
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endif
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DTC_FLAGS += $(DTC_FLAGS_$(target-stem))
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# Set -@ if the target is a base DTB that overlay is applied onto
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DTC_FLAGS += $(if $(filter $(patsubst $(obj)/%,%,$@), $(base-dtb-y)), -@)
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DTC_INCLUDE := $(srctree)/scripts/dtc/include-prefixes
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dtc_cpp_flags = -Wp,-MMD,$(depfile).pre.tmp -nostdinc -I $(DTC_INCLUDE) -undef -D__DTS__
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dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp)
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quiet_cmd_dtc = DTC $(quiet_dtb_check_tag) $@
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cmd_dtc = \
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$(HOSTCC) -E $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
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$(DTC) -o $@ -b 0 $(addprefix -i,$(dir $<) $(DTC_INCLUDE)) \
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$(DTC_FLAGS) -d $(depfile).dtc.tmp $(dtc-tmp) ; \
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cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile) \
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$(cmd_dtb_check)
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$(obj)/%.dtb: $(obj)/%.dts $(DTC) $(DT_TMP_SCHEMA) FORCE
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$(call if_changed_dep,dtc)
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$(obj)/%.dtbo: $(src)/%.dtso $(DTC) FORCE
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$(call if_changed_dep,dtc)
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# targets
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# ---------------------------------------------------------------------------
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targets += $(always-y)
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# %.dtb.o <- %.dtb.S <- %.dtb <- %.dts
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# %.dtbo.o <- %.dtbo.S <- %.dtbo <- %.dtso
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targets += $(call intermediate_targets, .dtb.o, .dtb.S .dtb) \
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$(call intermediate_targets, .dtbo.o, .dtbo.S .dtbo)
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