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# SPDX-License-Identifier: GPL-2.0
DT_DOC_CHECKER ?= dt-doc-validate
DT_EXTRACT_EX ?= dt-extract-example
DT_MK_SCHEMA ?= dt-mk-schema
DT_SCHEMA_LINT = $(shell which yamllint || \
echo "warning: python package 'yamllint' not installed, skipping" >&2)
DT_SCHEMA_MIN_VERSION = 2023.9
PHONY += check_dtschema_version
check_dtschema_version:
@which $(DT_DOC_CHECKER) >/dev/null || \
{ echo "Error: '$(DT_DOC_CHECKER)' not found!" >&2; \
echo "Ensure dtschema python package is installed and in your PATH." >&2; \
echo "Current PATH is:" >&2; \
echo "$$PATH" >&2; false; }
@{ echo $(DT_SCHEMA_MIN_VERSION); \
$(DT_DOC_CHECKER) --version 2>/dev/null || echo 0; } | sort -Vc >/dev/null || \
{ echo "ERROR: dtschema minimum version is v$(DT_SCHEMA_MIN_VERSION)" >&2; false; }
quiet_cmd_extract_ex = DTEX $@
cmd_extract_ex = $(DT_EXTRACT_EX) $< > $@
$(obj)/%.example.dts: $(src)/%.yaml check_dtschema_version FORCE
$(call if_changed,extract_ex)
find_all_cmd = find $(srctree)/$(src) \( -name '*.yaml' ! \
-name 'processed-schema*' \)
find_cmd = $(find_all_cmd) | \
sed 's|^$(srctree)/||' | \
grep -F -e "$(subst :," -e ",$(DT_SCHEMA_FILES))" | \
sed 's|^|$(srctree)/|'
CHK_DT_DOCS := $(shell $(find_cmd))
quiet_cmd_yamllint = LINT $(src)
cmd_yamllint = ($(find_cmd) | \
xargs -n200 -P$$(nproc) \
$(DT_SCHEMA_LINT) -f parsable -c $(srctree)/$(src)/.yamllint >&2) || true
quiet_cmd_chk_bindings = CHKDT $@
cmd_chk_bindings = ($(find_cmd) | \
xargs -n200 -P$$(nproc) $(DT_DOC_CHECKER) -u $(srctree)/$(src)) || true
quiet_cmd_mk_schema = SCHEMA $@
cmd_mk_schema = f=$$(mktemp) ; \
$(find_all_cmd) > $$f ; \
$(DT_MK_SCHEMA) -j $(DT_MK_SCHEMA_FLAGS) @$$f > $@ ; \
rm -f $$f
define rule_chkdt
$(if $(DT_SCHEMA_LINT),$(call cmd,yamllint),)
$(call cmd,chk_bindings)
$(call cmd,mk_schema)
endef
DT_DOCS = $(patsubst $(srctree)/%,%,$(shell $(find_all_cmd)))
override DTC_FLAGS := \
-Wno-avoid_unnecessary_addr_size \
-Wno-graph_child_address \
-Wno-interrupt_provider \
-Wno-unique_unit_address \
-Wunique_unit_address_if_enabled
$(obj)/processed-schema.json: $(DT_DOCS) $(src)/.yamllint check_dtschema_version FORCE
$(call if_changed_rule,chkdt)
always-y += processed-schema.json
always-$(CHECK_DT_BINDING) += $(patsubst $(srctree)/$(src)/%.yaml,%.example.dts, $(CHK_DT_DOCS))
always-$(CHECK_DT_BINDING) += $(patsubst $(srctree)/$(src)/%.yaml,%.example.dtb, $(CHK_DT_DOCS))
# Hack: avoid 'Argument list too long' error for 'make clean'. Remove most of
# build artifacts here before they are processed by scripts/Makefile.clean
clean-files = $(shell find $(obj) \( -name '*.example.dts' -o \
-name '*.example.dtb' \) -delete 2>/dev/null)
dt_compatible_check: $(obj)/processed-schema.json
$(Q)$(srctree)/scripts/dtc/dt-extract-compatibles $(srctree) | xargs dt-check-compatible -v -s $<
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