projects/linux·blob master · refs

103 lines · 3.8 KiB

1# SPDX-License-Identifier: GPL-2.0
2DT_DOC_CHECKER ?= dt-doc-validate
3DT_EXTRACT_EX ?= dt-extract-example
4DT_MK_SCHEMA ?= dt-mk-schema
5
6DT_SCHEMA_LINT = $(shell which yamllint || \
7 echo "warning: python package 'yamllint' not installed, skipping" >&2)
8
9DT_SCHEMA_MIN_VERSION = 2024.4
10
11PHONY += check_dtschema_version
12check_dtschema_version:
13 @which $(DT_DOC_CHECKER) >/dev/null || \
14 { echo "Error: '$(DT_DOC_CHECKER)' not found!" >&2; \
15 echo "Ensure dtschema python package is installed and in your PATH." >&2; \
16 echo "Current PATH is:" >&2; \
17 echo "$$PATH" >&2; false; }
18 @{ echo $(DT_SCHEMA_MIN_VERSION); \
19 $(DT_DOC_CHECKER) --version 2>/dev/null || echo 0; } | sort -Vc >/dev/null || \
20 { echo "ERROR: dtschema minimum version is v$(DT_SCHEMA_MIN_VERSION)" >&2; false; }
21
22quiet_cmd_extract_ex = DTEX $@
23 cmd_extract_ex = $(DT_EXTRACT_EX) $< > $@
24
25$(obj)/%.example.dts: $(src)/%.yaml check_dtschema_version FORCE
26 $(call if_changed,extract_ex)
27
28find_all_cmd = find $(src) \( -name '*.yaml' ! \
29 -name 'processed-schema*' \)
30
31find_cmd = $(find_all_cmd) | \
32 sed 's|^$(srctree)/||' | \
33 grep -F -e "$(subst :," -e ",$(DT_SCHEMA_FILES))" | \
34 sed 's|^|$(srctree)/|'
35CHK_DT_EXAMPLES := $(patsubst $(srctree)/%.yaml,%.example.dtb, \
36 $(shell $(find_cmd) | xargs grep -l '^examples:'))
37
38quiet_cmd_yamllint = LINT $(src)
39 cmd_yamllint = ($(find_cmd) | \
40 xargs -n200 -P$$(nproc) \
41 $(DT_SCHEMA_LINT) -f parsable -c $(src)/.yamllint >&2) \
42 && touch $@ || true
43
44quiet_cmd_chk_bindings = CHKDT $(src)
45 cmd_chk_bindings = ($(find_cmd) | \
46 xargs -n200 -P$$(nproc) $(DT_DOC_CHECKER) -u $(src)) \
47 && touch $@ || true
48
49DT_CHK_STYLE = $(srctree)/scripts/dtc/dt-check-style
50
51# Feed the file list to the checker via @argfile in a single Python
52# process so the ruamel.yaml import is paid once. scripts/jobserver-exec
53# claims slots from the GNU make jobserver and exposes the count via
54# $PARALLELISM, which dt-check-style picks up to size its worker pool.
55quiet_cmd_chk_style = STYLE $(src)
56 cmd_chk_style = f=$$(mktemp) && $(find_cmd) > $$f && \
57 $(PYTHON3) $(srctree)/scripts/jobserver-exec \
58 $(PYTHON3) $(DT_CHK_STYLE) @$$f \
59 && touch $@ || true; rm -f $$f
60
61quiet_cmd_mk_schema = SCHEMA $@
62 cmd_mk_schema = f=$$(mktemp) ; \
63 $(find_all_cmd) > $$f ; \
64 $(DT_MK_SCHEMA) -j $(DT_MK_SCHEMA_FLAGS) @$$f > $@ ; \
65 rm -f $$f
66
67DT_DOCS = $(patsubst $(srctree)/%,%,$(shell $(find_all_cmd)))
68
69override DTC_FLAGS := \
70 -Wno-avoid_unnecessary_addr_size \
71 -Wno-unique_unit_address \
72 -Wunique_unit_address_if_enabled
73
74$(obj)/processed-schema.json: $(DT_DOCS) check_dtschema_version FORCE
75 $(call if_changed,mk_schema)
76
77targets += .dt-binding.checked .yamllint.checked .dt-style.checked
78$(obj)/.yamllint.checked: $(DT_DOCS) $(src)/.yamllint FORCE
79 $(if $(DT_SCHEMA_LINT),$(call if_changed,yamllint),)
80
81$(obj)/.dt-binding.checked: $(DT_DOCS) FORCE
82 $(call if_changed,chk_bindings)
83
84$(obj)/.dt-style.checked: $(DT_DOCS) FORCE
85 $(call if_changed,chk_style)
86
87always-y += processed-schema.json
88targets += $(patsubst $(obj)/%,%, $(CHK_DT_EXAMPLES))
89targets += $(patsubst $(obj)/%.dtb,%.dts, $(CHK_DT_EXAMPLES))
90
91# Hack: avoid 'Argument list too long' error for 'make clean'. Remove most of
92# build artifacts here before they are processed by scripts/Makefile.clean
93clean-files = $(shell find $(obj) \( -name '*.example.dts' -o \
94 -name '*.example.dtb' \) -delete 2>/dev/null)
95
96dt_compatible_check: $(obj)/processed-schema.json
97 $(Q)$(srctree)/scripts/dtc/dt-extract-compatibles $(srctree) | xargs dt-check-compatible -v -s $<
98
99PHONY += dt_binding_check_one
100dt_binding_check_one: $(obj)/.dt-binding.checked $(obj)/.yamllint.checked $(obj)/.dt-style.checked
101
102PHONY += dt_binding_check
103dt_binding_check: dt_binding_check_one $(CHK_DT_EXAMPLES)